/ExtLibs/wxWidgets/src/generic/listctrl.cpp
C++ | 5477 lines | 3958 code | 974 blank | 545 comment | 729 complexity | f6cb5567847a4bd218f002128d7b0f1f MD5 | raw file
Possible License(s): GPL-3.0, LGPL-2.0, BSD-3-Clause, LGPL-3.0, LGPL-2.1, AGPL-3.0
- /////////////////////////////////////////////////////////////////////////////
- // Name: src/generic/listctrl.cpp
- // Purpose: generic implementation of wxListCtrl
- // Author: Robert Roebling
- // Vadim Zeitlin (virtual list control support)
- // Copyright: (c) 1998 Robert Roebling
- // Licence: wxWindows licence
- /////////////////////////////////////////////////////////////////////////////
- // TODO
- //
- // 1. we need to implement searching/sorting for virtual controls somehow
- // 2. when changing selection the lines are refreshed twice
- // For compilers that support precompilation, includes "wx.h".
- #include "wx/wxprec.h"
- #ifdef __BORLANDC__
- #pragma hdrstop
- #endif
- #if wxUSE_LISTCTRL
- #include "wx/listctrl.h"
- #ifndef WX_PRECOMP
- #include "wx/scrolwin.h"
- #include "wx/timer.h"
- #include "wx/settings.h"
- #include "wx/dynarray.h"
- #include "wx/dcclient.h"
- #include "wx/dcscreen.h"
- #include "wx/math.h"
- #include "wx/settings.h"
- #include "wx/sizer.h"
- #endif
- #include "wx/imaglist.h"
- #include "wx/renderer.h"
- #include "wx/generic/private/listctrl.h"
- #ifdef __WXMAC__
- #include "wx/osx/private.h"
- #endif
- #if defined(__WXMSW__) && !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
- #define "wx/msw/wrapwin.h"
- #endif
- // NOTE: If using the wxListBox visual attributes works everywhere then this can
- // be removed, as well as the #else case below.
- #define _USE_VISATTR 0
- // ----------------------------------------------------------------------------
- // constants
- // ----------------------------------------------------------------------------
- // // the height of the header window (FIXME: should depend on its font!)
- // static const int HEADER_HEIGHT = 23;
- static const int SCROLL_UNIT_X = 15;
- // the spacing between the lines (in report mode)
- static const int LINE_SPACING = 0;
- // extra margins around the text label
- #ifdef __WXGTK__
- static const int EXTRA_WIDTH = 6;
- #else
- static const int EXTRA_WIDTH = 4;
- #endif
- #ifdef __WXGTK__
- static const int EXTRA_HEIGHT = 6;
- #else
- static const int EXTRA_HEIGHT = 4;
- #endif
- // margin between the window and the items
- static const int EXTRA_BORDER_X = 2;
- static const int EXTRA_BORDER_Y = 2;
- // offset for the header window
- static const int HEADER_OFFSET_X = 0;
- static const int HEADER_OFFSET_Y = 0;
- // margin between rows of icons in [small] icon view
- static const int MARGIN_BETWEEN_ROWS = 6;
- // when autosizing the columns, add some slack
- static const int AUTOSIZE_COL_MARGIN = 10;
- // default width for the header columns
- static const int WIDTH_COL_DEFAULT = 80;
- // the space between the image and the text in the report mode
- static const int IMAGE_MARGIN_IN_REPORT_MODE = 5;
- // the space between the image and the text in the report mode in header
- static const int HEADER_IMAGE_MARGIN_IN_REPORT_MODE = 2;
- // ----------------------------------------------------------------------------
- // arrays/list implementations
- // ----------------------------------------------------------------------------
- #include "wx/listimpl.cpp"
- WX_DEFINE_LIST(wxListItemDataList)
- #include "wx/arrimpl.cpp"
- WX_DEFINE_OBJARRAY(wxListLineDataArray)
- #include "wx/listimpl.cpp"
- WX_DEFINE_LIST(wxListHeaderDataList)
- // ----------------------------------------------------------------------------
- // wxListItemData
- // ----------------------------------------------------------------------------
- wxListItemData::~wxListItemData()
- {
- // in the virtual list control the attributes are managed by the main
- // program, so don't delete them
- if ( !m_owner->IsVirtual() )
- delete m_attr;
- delete m_rect;
- }
- void wxListItemData::Init()
- {
- m_image = -1;
- m_data = 0;
- m_attr = NULL;
- }
- wxListItemData::wxListItemData(wxListMainWindow *owner)
- {
- Init();
- m_owner = owner;
- if ( owner->InReportView() )
- m_rect = NULL;
- else
- m_rect = new wxRect;
- }
- void wxListItemData::SetItem( const wxListItem &info )
- {
- if ( info.m_mask & wxLIST_MASK_TEXT )
- SetText(info.m_text);
- if ( info.m_mask & wxLIST_MASK_IMAGE )
- m_image = info.m_image;
- if ( info.m_mask & wxLIST_MASK_DATA )
- m_data = info.m_data;
- if ( info.HasAttributes() )
- {
- if ( m_attr )
- m_attr->AssignFrom(*info.GetAttributes());
- else
- m_attr = new wxListItemAttr(*info.GetAttributes());
- }
- if ( m_rect )
- {
- m_rect->x =
- m_rect->y =
- m_rect->height = 0;
- m_rect->width = info.m_width;
- }
- }
- void wxListItemData::SetPosition( int x, int y )
- {
- wxCHECK_RET( m_rect, wxT("unexpected SetPosition() call") );
- m_rect->x = x;
- m_rect->y = y;
- }
- void wxListItemData::SetSize( int width, int height )
- {
- wxCHECK_RET( m_rect, wxT("unexpected SetSize() call") );
- if ( width != -1 )
- m_rect->width = width;
- if ( height != -1 )
- m_rect->height = height;
- }
- bool wxListItemData::IsHit( int x, int y ) const
- {
- wxCHECK_MSG( m_rect, false, wxT("can't be called in this mode") );
- return wxRect(GetX(), GetY(), GetWidth(), GetHeight()).Contains(x, y);
- }
- int wxListItemData::GetX() const
- {
- wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
- return m_rect->x;
- }
- int wxListItemData::GetY() const
- {
- wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
- return m_rect->y;
- }
- int wxListItemData::GetWidth() const
- {
- wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
- return m_rect->width;
- }
- int wxListItemData::GetHeight() const
- {
- wxCHECK_MSG( m_rect, 0, wxT("can't be called in this mode") );
- return m_rect->height;
- }
- void wxListItemData::GetItem( wxListItem &info ) const
- {
- long mask = info.m_mask;
- if ( !mask )
- // by default, get everything for backwards compatibility
- mask = -1;
- if ( mask & wxLIST_MASK_TEXT )
- info.m_text = m_text;
- if ( mask & wxLIST_MASK_IMAGE )
- info.m_image = m_image;
- if ( mask & wxLIST_MASK_DATA )
- info.m_data = m_data;
- if ( m_attr )
- {
- if ( m_attr->HasTextColour() )
- info.SetTextColour(m_attr->GetTextColour());
- if ( m_attr->HasBackgroundColour() )
- info.SetBackgroundColour(m_attr->GetBackgroundColour());
- if ( m_attr->HasFont() )
- info.SetFont(m_attr->GetFont());
- }
- }
- //-----------------------------------------------------------------------------
- // wxListHeaderData
- //-----------------------------------------------------------------------------
- void wxListHeaderData::Init()
- {
- m_mask = 0;
- m_image = -1;
- m_format = 0;
- m_width = 0;
- m_xpos = 0;
- m_ypos = 0;
- m_height = 0;
- m_state = 0;
- }
- wxListHeaderData::wxListHeaderData()
- {
- Init();
- }
- wxListHeaderData::wxListHeaderData( const wxListItem &item )
- {
- Init();
- SetItem( item );
- }
- void wxListHeaderData::SetItem( const wxListItem &item )
- {
- m_mask = item.m_mask;
- if ( m_mask & wxLIST_MASK_TEXT )
- m_text = item.m_text;
- if ( m_mask & wxLIST_MASK_IMAGE )
- m_image = item.m_image;
- if ( m_mask & wxLIST_MASK_FORMAT )
- m_format = item.m_format;
- if ( m_mask & wxLIST_MASK_WIDTH )
- SetWidth(item.m_width);
- if ( m_mask & wxLIST_MASK_STATE )
- SetState(item.m_state);
- }
- void wxListHeaderData::SetPosition( int x, int y )
- {
- m_xpos = x;
- m_ypos = y;
- }
- void wxListHeaderData::SetHeight( int h )
- {
- m_height = h;
- }
- void wxListHeaderData::SetWidth( int w )
- {
- m_width = w < 0 ? WIDTH_COL_DEFAULT : w;
- }
- void wxListHeaderData::SetState( int flag )
- {
- m_state = flag;
- }
- void wxListHeaderData::SetFormat( int format )
- {
- m_format = format;
- }
- bool wxListHeaderData::HasImage() const
- {
- return m_image != -1;
- }
- bool wxListHeaderData::IsHit( int x, int y ) const
- {
- return ((x >= m_xpos) && (x <= m_xpos+m_width) && (y >= m_ypos) && (y <= m_ypos+m_height));
- }
- void wxListHeaderData::GetItem( wxListItem& item )
- {
- long mask = item.m_mask;
- if ( !mask )
- {
- // by default, get everything for backwards compatibility
- mask = -1;
- }
- if ( mask & wxLIST_MASK_STATE )
- item.m_state = m_state;
- if ( mask & wxLIST_MASK_TEXT )
- item.m_text = m_text;
- if ( mask & wxLIST_MASK_IMAGE )
- item.m_image = m_image;
- if ( mask & wxLIST_MASK_WIDTH )
- item.m_width = m_width;
- if ( mask & wxLIST_MASK_FORMAT )
- item.m_format = m_format;
- }
- int wxListHeaderData::GetImage() const
- {
- return m_image;
- }
- int wxListHeaderData::GetWidth() const
- {
- return m_width;
- }
- int wxListHeaderData::GetFormat() const
- {
- return m_format;
- }
- int wxListHeaderData::GetState() const
- {
- return m_state;
- }
- //-----------------------------------------------------------------------------
- // wxListLineData
- //-----------------------------------------------------------------------------
- inline int wxListLineData::GetMode() const
- {
- return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE;
- }
- inline bool wxListLineData::InReportView() const
- {
- return m_owner->HasFlag(wxLC_REPORT);
- }
- inline bool wxListLineData::IsVirtual() const
- {
- return m_owner->IsVirtual();
- }
- wxListLineData::wxListLineData( wxListMainWindow *owner )
- {
- m_owner = owner;
- if ( InReportView() )
- m_gi = NULL;
- else // !report
- m_gi = new GeometryInfo;
- m_highlighted = false;
- InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 );
- }
- void wxListLineData::CalculateSize( wxDC *dc, int spacing )
- {
- wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- wxCHECK_RET( node, wxT("no subitems at all??") );
- wxListItemData *item = node->GetData();
- wxString s;
- wxCoord lw, lh;
- switch ( GetMode() )
- {
- case wxLC_ICON:
- case wxLC_SMALL_ICON:
- m_gi->m_rectAll.width = spacing;
- s = item->GetText();
- if ( s.empty() )
- {
- lh =
- m_gi->m_rectLabel.width =
- m_gi->m_rectLabel.height = 0;
- }
- else // has label
- {
- dc->GetTextExtent( s, &lw, &lh );
- lw += EXTRA_WIDTH;
- lh += EXTRA_HEIGHT;
- m_gi->m_rectAll.height = spacing + lh;
- if (lw > spacing)
- m_gi->m_rectAll.width = lw;
- m_gi->m_rectLabel.width = lw;
- m_gi->m_rectLabel.height = lh;
- }
- if (item->HasImage())
- {
- int w, h;
- m_owner->GetImageSize( item->GetImage(), w, h );
- m_gi->m_rectIcon.width = w + 8;
- m_gi->m_rectIcon.height = h + 8;
- if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width )
- m_gi->m_rectAll.width = m_gi->m_rectIcon.width;
- if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 )
- m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4;
- }
- if ( item->HasText() )
- {
- m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width;
- m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height;
- }
- else // no text, highlight the icon
- {
- m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width;
- m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height;
- }
- break;
- case wxLC_LIST:
- s = item->GetTextForMeasuring();
- dc->GetTextExtent( s, &lw, &lh );
- lw += EXTRA_WIDTH;
- lh += EXTRA_HEIGHT;
- m_gi->m_rectLabel.width = lw;
- m_gi->m_rectLabel.height = lh;
- m_gi->m_rectAll.width = lw;
- m_gi->m_rectAll.height = lh;
- if (item->HasImage())
- {
- int w, h;
- m_owner->GetImageSize( item->GetImage(), w, h );
- m_gi->m_rectIcon.width = w;
- m_gi->m_rectIcon.height = h;
- m_gi->m_rectAll.width += 4 + w;
- if (h > m_gi->m_rectAll.height)
- m_gi->m_rectAll.height = h;
- }
- m_gi->m_rectHighlight.width = m_gi->m_rectAll.width;
- m_gi->m_rectHighlight.height = m_gi->m_rectAll.height;
- break;
- case wxLC_REPORT:
- wxFAIL_MSG( wxT("unexpected call to SetSize") );
- break;
- default:
- wxFAIL_MSG( wxT("unknown mode") );
- break;
- }
- }
- void wxListLineData::SetPosition( int x, int y, int spacing )
- {
- wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- wxCHECK_RET( node, wxT("no subitems at all??") );
- wxListItemData *item = node->GetData();
- switch ( GetMode() )
- {
- case wxLC_ICON:
- case wxLC_SMALL_ICON:
- m_gi->m_rectAll.x = x;
- m_gi->m_rectAll.y = y;
- if ( item->HasImage() )
- {
- m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 +
- (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2;
- m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4;
- }
- if ( item->HasText() )
- {
- if (m_gi->m_rectAll.width > spacing)
- m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
- else
- m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2) + (spacing / 2) - (m_gi->m_rectLabel.width / 2);
- m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height;
- m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2;
- m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2;
- }
- else // no text, highlight the icon
- {
- m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4;
- m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4;
- }
- break;
- case wxLC_LIST:
- m_gi->m_rectAll.x = x;
- m_gi->m_rectAll.y = y;
- m_gi->m_rectHighlight.x = m_gi->m_rectAll.x;
- m_gi->m_rectHighlight.y = m_gi->m_rectAll.y;
- m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2;
- if (item->HasImage())
- {
- m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2;
- m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2;
- m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 4 + (EXTRA_WIDTH/2) + m_gi->m_rectIcon.width;
- }
- else
- {
- m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
- }
- break;
- case wxLC_REPORT:
- wxFAIL_MSG( wxT("unexpected call to SetPosition") );
- break;
- default:
- wxFAIL_MSG( wxT("unknown mode") );
- break;
- }
- }
- void wxListLineData::InitItems( int num )
- {
- for (int i = 0; i < num; i++)
- m_items.Append( new wxListItemData(m_owner) );
- }
- void wxListLineData::SetItem( int index, const wxListItem &info )
- {
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- wxCHECK_RET( node, wxT("invalid column index in SetItem") );
- wxListItemData *item = node->GetData();
- item->SetItem( info );
- }
- void wxListLineData::GetItem( int index, wxListItem &info )
- {
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- if (node)
- {
- wxListItemData *item = node->GetData();
- item->GetItem( info );
- }
- }
- wxString wxListLineData::GetText(int index) const
- {
- wxString s;
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- if (node)
- {
- wxListItemData *item = node->GetData();
- s = item->GetText();
- }
- return s;
- }
- void wxListLineData::SetText( int index, const wxString& s )
- {
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- if (node)
- {
- wxListItemData *item = node->GetData();
- item->SetText( s );
- }
- }
- void wxListLineData::SetImage( int index, int image )
- {
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- wxCHECK_RET( node, wxT("invalid column index in SetImage()") );
- wxListItemData *item = node->GetData();
- item->SetImage(image);
- }
- int wxListLineData::GetImage( int index ) const
- {
- wxListItemDataList::compatibility_iterator node = m_items.Item( index );
- wxCHECK_MSG( node, -1, wxT("invalid column index in GetImage()") );
- wxListItemData *item = node->GetData();
- return item->GetImage();
- }
- wxListItemAttr *wxListLineData::GetAttr() const
- {
- wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- wxCHECK_MSG( node, NULL, wxT("invalid column index in GetAttr()") );
- wxListItemData *item = node->GetData();
- return item->GetAttr();
- }
- void wxListLineData::SetAttr(wxListItemAttr *attr)
- {
- wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- wxCHECK_RET( node, wxT("invalid column index in SetAttr()") );
- wxListItemData *item = node->GetData();
- item->SetAttr(attr);
- }
- void wxListLineData::ApplyAttributes(wxDC *dc,
- const wxRect& rectHL,
- bool highlighted,
- bool current)
- {
- const wxListItemAttr * const attr = GetAttr();
- wxWindow * const listctrl = m_owner->GetParent();
- const bool hasFocus = listctrl->HasFocus()
- #if defined(__WXMAC__) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
- && IsControlActive( (ControlRef)listctrl->GetHandle() )
- #endif
- ;
- // fg colour
- // don't use foreground colour for drawing highlighted items - this might
- // make them completely invisible (and there is no way to do bit
- // arithmetics on wxColour, unfortunately)
- wxColour colText;
- if ( highlighted )
- {
- #ifdef __WXMAC__
- if ( hasFocus )
- colText = *wxWHITE;
- else
- colText = *wxBLACK;
- #else
- if ( hasFocus )
- colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
- else
- colText = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXHIGHLIGHTTEXT);
- #endif
- }
- else if ( attr && attr->HasTextColour() )
- colText = attr->GetTextColour();
- else
- colText = listctrl->GetForegroundColour();
- dc->SetTextForeground(colText);
- // font
- wxFont font;
- if ( attr && attr->HasFont() )
- font = attr->GetFont();
- else
- font = listctrl->GetFont();
- dc->SetFont(font);
- // background
- if ( highlighted )
- {
- // Use the renderer method to ensure that the selected items use the
- // native look.
- int flags = wxCONTROL_SELECTED;
- if ( hasFocus )
- flags |= wxCONTROL_FOCUSED;
- if (current)
- flags |= wxCONTROL_CURRENT;
- wxRendererNative::Get().
- DrawItemSelectionRect( m_owner, *dc, rectHL, flags );
- }
- else if ( attr && attr->HasBackgroundColour() )
- {
- // Draw the background using the items custom background colour.
- dc->SetBrush(attr->GetBackgroundColour());
- dc->SetPen(*wxTRANSPARENT_PEN);
- dc->DrawRectangle(rectHL);
- }
- // just for debugging to better see where the items are
- #if 0
- dc->SetPen(*wxRED_PEN);
- dc->SetBrush(*wxTRANSPARENT_BRUSH);
- dc->DrawRectangle( m_gi->m_rectAll );
- dc->SetPen(*wxGREEN_PEN);
- dc->DrawRectangle( m_gi->m_rectIcon );
- #endif
- }
- void wxListLineData::Draw(wxDC *dc, bool current)
- {
- wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- wxCHECK_RET( node, wxT("no subitems at all??") );
- ApplyAttributes(dc, m_gi->m_rectHighlight, IsHighlighted(), current);
- wxListItemData *item = node->GetData();
- if (item->HasImage())
- {
- // centre the image inside our rectangle, this looks nicer when items
- // ae aligned in a row
- const wxRect& rectIcon = m_gi->m_rectIcon;
- m_owner->DrawImage(item->GetImage(), dc, rectIcon.x, rectIcon.y);
- }
- if (item->HasText())
- {
- const wxRect& rectLabel = m_gi->m_rectLabel;
- wxDCClipper clipper(*dc, rectLabel);
- dc->DrawText(item->GetText(), rectLabel.x, rectLabel.y);
- }
- }
- void wxListLineData::DrawInReportMode( wxDC *dc,
- const wxRect& rect,
- const wxRect& rectHL,
- bool highlighted,
- bool current )
- {
- // TODO: later we should support setting different attributes for
- // different columns - to do it, just add "col" argument to
- // GetAttr() and move these lines into the loop below
- ApplyAttributes(dc, rectHL, highlighted, current);
- wxCoord x = rect.x + HEADER_OFFSET_X,
- yMid = rect.y + rect.height/2;
- #ifdef __WXGTK__
- // This probably needs to be done
- // on all platforms as the icons
- // otherwise nearly touch the border
- x += 2;
- #endif
- size_t col = 0;
- for ( wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
- node;
- node = node->GetNext(), col++ )
- {
- wxListItemData *item = node->GetData();
- int width = m_owner->GetColumnWidth(col);
- int xOld = x;
- x += width;
- width -= 8;
- const int wText = width;
- wxDCClipper clipper(*dc, xOld, rect.y, wText, rect.height);
- if ( item->HasImage() )
- {
- int ix, iy;
- m_owner->GetImageSize( item->GetImage(), ix, iy );
- m_owner->DrawImage( item->GetImage(), dc, xOld, yMid - iy/2 );
- ix += IMAGE_MARGIN_IN_REPORT_MODE;
- xOld += ix;
- width -= ix;
- }
- if ( item->HasText() )
- DrawTextFormatted(dc, item->GetText(), col, xOld, yMid, width);
- }
- }
- void wxListLineData::DrawTextFormatted(wxDC *dc,
- const wxString& textOrig,
- int col,
- int x,
- int yMid,
- int width)
- {
- // we don't support displaying multiple lines currently (and neither does
- // wxMSW FWIW) so just merge all the lines
- wxString text(textOrig);
- text.Replace(wxT("\n"), wxT(" "));
- wxCoord w, h;
- dc->GetTextExtent(text, &w, &h);
- const wxCoord y = yMid - (h + 1)/2;
- wxDCClipper clipper(*dc, x, y, width, h);
- // determine if the string can fit inside the current width
- if (w <= width)
- {
- // it can, draw it using the items alignment
- wxListItem item;
- m_owner->GetColumn(col, item);
- switch ( item.GetAlign() )
- {
- case wxLIST_FORMAT_LEFT:
- // nothing to do
- break;
- case wxLIST_FORMAT_RIGHT:
- x += width - w;
- break;
- case wxLIST_FORMAT_CENTER:
- x += (width - w) / 2;
- break;
- default:
- wxFAIL_MSG( wxT("unknown list item format") );
- break;
- }
- dc->DrawText(text, x, y);
- }
- else // otherwise, truncate and add an ellipsis if possible
- {
- // determine the base width
- wxString ellipsis(wxT("..."));
- wxCoord base_w;
- dc->GetTextExtent(ellipsis, &base_w, &h);
- // continue until we have enough space or only one character left
- wxCoord w_c, h_c;
- size_t len = text.length();
- wxString drawntext = text.Left(len);
- while (len > 1)
- {
- dc->GetTextExtent(drawntext.Last(), &w_c, &h_c);
- drawntext.RemoveLast();
- len--;
- w -= w_c;
- if (w + base_w <= width)
- break;
- }
- // if still not enough space, remove ellipsis characters
- while (ellipsis.length() > 0 && w + base_w > width)
- {
- ellipsis = ellipsis.Left(ellipsis.length() - 1);
- dc->GetTextExtent(ellipsis, &base_w, &h);
- }
- // now draw the text
- dc->DrawText(drawntext, x, y);
- dc->DrawText(ellipsis, x + w, y);
- }
- }
- bool wxListLineData::Highlight( bool on )
- {
- wxCHECK_MSG( !IsVirtual(), false, wxT("unexpected call to Highlight") );
- if ( on == m_highlighted )
- return false;
- m_highlighted = on;
- return true;
- }
- void wxListLineData::ReverseHighlight( void )
- {
- Highlight(!IsHighlighted());
- }
- //-----------------------------------------------------------------------------
- // wxListHeaderWindow
- //-----------------------------------------------------------------------------
- BEGIN_EVENT_TABLE(wxListHeaderWindow,wxWindow)
- EVT_PAINT (wxListHeaderWindow::OnPaint)
- EVT_MOUSE_EVENTS (wxListHeaderWindow::OnMouse)
- END_EVENT_TABLE()
- void wxListHeaderWindow::Init()
- {
- m_currentCursor = NULL;
- m_isDragging = false;
- m_dirty = false;
- m_sendSetColumnWidth = false;
- }
- wxListHeaderWindow::wxListHeaderWindow()
- {
- Init();
- m_owner = NULL;
- m_resizeCursor = NULL;
- }
- bool wxListHeaderWindow::Create( wxWindow *win,
- wxWindowID id,
- wxListMainWindow *owner,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString &name )
- {
- if ( !wxWindow::Create(win, id, pos, size, style, name) )
- return false;
- Init();
- m_owner = owner;
- m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
- #if _USE_VISATTR
- wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
- SetOwnForegroundColour( attr.colFg );
- SetOwnBackgroundColour( attr.colBg );
- if (!m_hasFont)
- SetOwnFont( attr.font );
- #else
- SetOwnForegroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
- SetOwnBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
- if (!m_hasFont)
- SetOwnFont( wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT ));
- #endif
- return true;
- }
- wxListHeaderWindow::~wxListHeaderWindow()
- {
- delete m_resizeCursor;
- }
- #ifdef __WXUNIVERSAL__
- #include "wx/univ/renderer.h"
- #include "wx/univ/theme.h"
- #endif
- // shift the DC origin to match the position of the main window horz
- // scrollbar: this allows us to always use logical coords
- void wxListHeaderWindow::AdjustDC(wxDC& dc)
- {
- wxGenericListCtrl *parent = m_owner->GetListCtrl();
- int xpix;
- parent->GetScrollPixelsPerUnit( &xpix, NULL );
- int view_start;
- parent->GetViewStart( &view_start, NULL );
- int org_x = 0;
- int org_y = 0;
- dc.GetDeviceOrigin( &org_x, &org_y );
- // account for the horz scrollbar offset
- #ifdef __WXGTK__
- if (GetLayoutDirection() == wxLayout_RightToLeft)
- {
- // Maybe we just have to check for m_signX
- // in the DC, but I leave the #ifdef __WXGTK__
- // for now
- dc.SetDeviceOrigin( org_x + (view_start * xpix), org_y );
- }
- else
- #endif
- dc.SetDeviceOrigin( org_x - (view_start * xpix), org_y );
- }
- void wxListHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
- {
- wxGenericListCtrl *parent = m_owner->GetListCtrl();
- wxPaintDC dc( this );
- AdjustDC( dc );
- dc.SetFont( GetFont() );
- // width and height of the entire header window
- int w, h;
- GetClientSize( &w, &h );
- parent->CalcUnscrolledPosition(w, 0, &w, NULL);
- dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
- dc.SetTextForeground(GetForegroundColour());
- int x = HEADER_OFFSET_X;
- int numColumns = m_owner->GetColumnCount();
- wxListItem item;
- for ( int i = 0; i < numColumns && x < w; i++ )
- {
- m_owner->GetColumn( i, item );
- int wCol = item.m_width;
- int cw = wCol;
- int ch = h;
- int flags = 0;
- if (!m_parent->IsEnabled())
- flags |= wxCONTROL_DISABLED;
- // NB: The code below is not really Mac-specific, but since we are close
- // to 2.8 release and I don't have time to test on other platforms, I
- // defined this only for wxMac. If this behaviour is desired on
- // other platforms, please go ahead and revise or remove the #ifdef.
- #ifdef __WXMAC__
- if ( !m_owner->IsVirtual() && (item.m_mask & wxLIST_MASK_STATE) &&
- (item.m_state & wxLIST_STATE_SELECTED) )
- flags |= wxCONTROL_SELECTED;
- #endif
- if (i == 0)
- flags |= wxCONTROL_SPECIAL; // mark as first column
- wxRendererNative::Get().DrawHeaderButton
- (
- this,
- dc,
- wxRect(x, HEADER_OFFSET_Y, cw, ch),
- flags
- );
- // see if we have enough space for the column label
- // for this we need the width of the text
- wxCoord wLabel;
- wxCoord hLabel;
- dc.GetTextExtent(item.GetText(), &wLabel, &hLabel);
- wLabel += 2 * EXTRA_WIDTH;
- // and the width of the icon, if any
- int ix = 0, iy = 0; // init them just to suppress the compiler warnings
- const int image = item.m_image;
- wxImageList *imageList;
- if ( image != -1 )
- {
- imageList = m_owner->GetSmallImageList();
- if ( imageList )
- {
- imageList->GetSize(image, ix, iy);
- wLabel += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
- }
- }
- else
- {
- imageList = NULL;
- }
- // ignore alignment if there is not enough space anyhow
- int xAligned;
- switch ( wLabel < cw ? item.GetAlign() : wxLIST_FORMAT_LEFT )
- {
- default:
- wxFAIL_MSG( wxT("unknown list item format") );
- // fall through
- case wxLIST_FORMAT_LEFT:
- xAligned = x;
- break;
- case wxLIST_FORMAT_RIGHT:
- xAligned = x + cw - wLabel;
- break;
- case wxLIST_FORMAT_CENTER:
- xAligned = x + (cw - wLabel) / 2;
- break;
- }
- // draw the text and image clipping them so that they
- // don't overwrite the column boundary
- wxDCClipper clipper(dc, x, HEADER_OFFSET_Y, cw, h);
- // if we have an image, draw it on the right of the label
- if ( imageList )
- {
- imageList->Draw
- (
- image,
- dc,
- xAligned + wLabel - ix - HEADER_IMAGE_MARGIN_IN_REPORT_MODE,
- HEADER_OFFSET_Y + (h - iy)/2,
- wxIMAGELIST_DRAW_TRANSPARENT
- );
- }
- dc.DrawText( item.GetText(),
- xAligned + EXTRA_WIDTH, (h - hLabel) / 2 );
- x += wCol;
- }
- // Fill in what's missing to the right of the columns, otherwise we will
- // leave an unpainted area when columns are removed (and it looks better)
- if ( x < w )
- {
- wxRendererNative::Get().DrawHeaderButton
- (
- this,
- dc,
- wxRect(x, HEADER_OFFSET_Y, w - x, h),
- wxCONTROL_DIRTY // mark as last column
- );
- }
- }
- void wxListHeaderWindow::OnInternalIdle()
- {
- wxWindow::OnInternalIdle();
- if (m_sendSetColumnWidth)
- {
- m_owner->SetColumnWidth( m_colToSend, m_widthToSend );
- m_sendSetColumnWidth = false;
- }
- }
- void wxListHeaderWindow::DrawCurrent()
- {
- #if 1
- // m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
- m_sendSetColumnWidth = true;
- m_colToSend = m_column;
- m_widthToSend = m_currentX - m_minX;
- #else
- int x1 = m_currentX;
- int y1 = 0;
- m_owner->ClientToScreen( &x1, &y1 );
- int x2 = m_currentX;
- int y2 = 0;
- m_owner->GetClientSize( NULL, &y2 );
- m_owner->ClientToScreen( &x2, &y2 );
- wxScreenDC dc;
- dc.SetLogicalFunction( wxINVERT );
- dc.SetPen( wxPen(*wxBLACK, 2) );
- dc.SetBrush( *wxTRANSPARENT_BRUSH );
- AdjustDC(dc);
- dc.DrawLine( x1, y1, x2, y2 );
- dc.SetLogicalFunction( wxCOPY );
- dc.SetPen( wxNullPen );
- dc.SetBrush( wxNullBrush );
- #endif
- }
- void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
- {
- wxGenericListCtrl *parent = m_owner->GetListCtrl();
- // we want to work with logical coords
- int x;
- parent->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
- int y = event.GetY();
- if (m_isDragging)
- {
- SendListEvent(wxEVT_LIST_COL_DRAGGING, event.GetPosition());
- // we don't draw the line beyond our window, but we allow dragging it
- // there
- int w = 0;
- GetClientSize( &w, NULL );
- parent->CalcUnscrolledPosition(w, 0, &w, NULL);
- w -= 6;
- // erase the line if it was drawn
- if ( m_currentX < w )
- DrawCurrent();
- if (event.ButtonUp())
- {
- ReleaseMouse();
- m_isDragging = false;
- m_dirty = true;
- m_owner->SetColumnWidth( m_column, m_currentX - m_minX );
- SendListEvent(wxEVT_LIST_COL_END_DRAG, event.GetPosition());
- }
- else
- {
- if (x > m_minX + 7)
- m_currentX = x;
- else
- m_currentX = m_minX + 7;
- // draw in the new location
- if ( m_currentX < w )
- DrawCurrent();
- }
- }
- else // not dragging
- {
- m_minX = 0;
- bool hit_border = false;
- // end of the current column
- int xpos = 0;
- // find the column where this event occurred
- int col,
- countCol = m_owner->GetColumnCount();
- for (col = 0; col < countCol; col++)
- {
- xpos += m_owner->GetColumnWidth( col );
- m_column = col;
- if ( (abs(x-xpos) < 3) && (y < 22) )
- {
- // near the column border
- hit_border = true;
- break;
- }
- if ( x < xpos )
- {
- // inside the column
- break;
- }
- m_minX = xpos;
- }
- if ( col == countCol )
- m_column = -1;
- if (event.LeftDown() || event.RightUp())
- {
- if (hit_border && event.LeftDown())
- {
- if ( SendListEvent(wxEVT_LIST_COL_BEGIN_DRAG,
- event.GetPosition()) )
- {
- m_isDragging = true;
- m_currentX = x;
- CaptureMouse();
- DrawCurrent();
- }
- //else: column resizing was vetoed by the user code
- }
- else // click on a column
- {
- // record the selected state of the columns
- if (event.LeftDown())
- {
- for (int i=0; i < m_owner->GetColumnCount(); i++)
- {
- wxListItem colItem;
- m_owner->GetColumn(i, colItem);
- long state = colItem.GetState();
- if (i == m_column)
- colItem.SetState(state | wxLIST_STATE_SELECTED);
- else
- colItem.SetState(state & ~wxLIST_STATE_SELECTED);
- m_owner->SetColumn(i, colItem);
- }
- }
- SendListEvent( event.LeftDown()
- ? wxEVT_LIST_COL_CLICK
- : wxEVT_LIST_COL_RIGHT_CLICK,
- event.GetPosition());
- }
- }
- else if (event.Moving())
- {
- bool setCursor;
- if (hit_border)
- {
- setCursor = m_currentCursor == wxSTANDARD_CURSOR;
- m_currentCursor = m_resizeCursor;
- }
- else
- {
- setCursor = m_currentCursor != wxSTANDARD_CURSOR;
- m_currentCursor = wxSTANDARD_CURSOR;
- }
- if ( setCursor )
- SetCursor(*m_currentCursor);
- }
- }
- }
- bool wxListHeaderWindow::SendListEvent(wxEventType type, const wxPoint& pos)
- {
- wxWindow *parent = GetParent();
- wxListEvent le( type, parent->GetId() );
- le.SetEventObject( parent );
- le.m_pointDrag = pos;
- // the position should be relative to the parent window, not
- // this one for compatibility with MSW and common sense: the
- // user code doesn't know anything at all about this header
- // window, so why should it get positions relative to it?
- le.m_pointDrag.y -= GetSize().y;
- le.m_col = m_column;
- return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
- }
- //-----------------------------------------------------------------------------
- // wxListRenameTimer (internal)
- //-----------------------------------------------------------------------------
- wxListRenameTimer::wxListRenameTimer( wxListMainWindow *owner )
- {
- m_owner = owner;
- }
- void wxListRenameTimer::Notify()
- {
- m_owner->OnRenameTimer();
- }
- //-----------------------------------------------------------------------------
- // wxListFindTimer (internal)
- //-----------------------------------------------------------------------------
- void wxListFindTimer::Notify()
- {
- m_owner->OnFindTimer();
- }
- //-----------------------------------------------------------------------------
- // wxListTextCtrlWrapper (internal)
- //-----------------------------------------------------------------------------
- BEGIN_EVENT_TABLE(wxListTextCtrlWrapper, wxEvtHandler)
- EVT_CHAR (wxListTextCtrlWrapper::OnChar)
- EVT_KEY_UP (wxListTextCtrlWrapper::OnKeyUp)
- EVT_KILL_FOCUS (wxListTextCtrlWrapper::OnKillFocus)
- END_EVENT_TABLE()
- wxListTextCtrlWrapper::wxListTextCtrlWrapper(wxListMainWindow *owner,
- wxTextCtrl *text,
- size_t itemEdit)
- : m_startValue(owner->GetItemText(itemEdit)),
- m_itemEdited(itemEdit)
- {
- m_owner = owner;
- m_text = text;
- m_aboutToFinish = false;
- wxGenericListCtrl *parent = m_owner->GetListCtrl();
- wxRect rectLabel = owner->GetLineLabelRect(itemEdit);
- parent->CalcScrolledPosition(rectLabel.x, rectLabel.y,
- &rectLabel.x, &rectLabel.y);
- m_text->Create(owner, wxID_ANY, m_startValue,
- wxPoint(rectLabel.x-4,rectLabel.y-4),
- wxSize(rectLabel.width+11,rectLabel.height+8));
- m_text->SetFocus();
- m_text->PushEventHandler(this);
- }
- void wxListTextCtrlWrapper::EndEdit(EndReason reason)
- {
- m_aboutToFinish = true;
- switch ( reason )
- {
- case End_Accept:
- // Notify the owner about the changes
- AcceptChanges();
- // Even if vetoed, close the control (consistent with MSW)
- Finish( true );
- break;
- case End_Discard:
- m_owner->OnRenameCancelled(m_itemEdited);
- Finish( true );
- break;
- case End_Destroy:
- // Don't generate any notifications for the control being destroyed
- // and don't set focus to it neither.
- Finish(false);
- break;
- }
- }
- void wxListTextCtrlWrapper::Finish( bool setfocus )
- {
- m_text->RemoveEventHandler(this);
- m_owner->ResetTextControl( m_text );
- wxPendingDelete.Append( this );
- if (setfocus)
- m_owner->SetFocus();
- }
- bool wxListTextCtrlWrapper::AcceptChanges()
- {
- const wxString value = m_text->GetValue();
- // notice that we should always call OnRenameAccept() to generate the "end
- // label editing" event, even if the user hasn't really changed anything
- if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
- {
- // vetoed by the user
- return false;
- }
- // accepted, do rename the item (unless nothing changed)
- if ( value != m_startValue )
- m_owner->SetItemText(m_itemEdited, value);
- return true;
- }
- void wxListTextCtrlWrapper::OnChar( wxKeyEvent &event )
- {
- if ( !CheckForEndEditKey(event) )
- event.Skip();
- }
- bool wxListTextCtrlWrapper::CheckForEndEditKey(const wxKeyEvent& event)
- {
- switch ( event.m_keyCode )
- {
- case WXK_RETURN:
- EndEdit( End_Accept );
- break;
- case WXK_ESCAPE:
- EndEdit( End_Discard );
- break;
- default:
- return false;
- }
- return true;
- }
- void wxListTextCtrlWrapper::OnKeyUp( wxKeyEvent &event )
- {
- if (m_aboutToFinish)
- {
- // auto-grow the textctrl:
- wxSize parentSize = m_owner->GetSize();
- wxPoint myPos = m_text->GetPosition();
- wxSize mySize = m_text->GetSize();
- int sx, sy;
- m_text->GetTextExtent(m_text->GetValue() + wxT("MM"), &sx, &sy);
- if (myPos.x + sx > parentSize.x)
- sx = parentSize.x - myPos.x;
- if (mySize.x > sx)
- sx = mySize.x;
- m_text->SetSize(sx, wxDefaultCoord);
- }
- event.Skip();
- }
- void wxListTextCtrlWrapper::OnKillFocus( wxFocusEvent &event )
- {
- if ( !m_aboutToFinish )
- {
- if ( !AcceptChanges() )
- m_owner->OnRenameCancelled( m_itemEdited );
- Finish( false );
- }
- // We must let the native text control handle focus
- event.Skip();
- }
- //-----------------------------------------------------------------------------
- // wxListMainWindow
- //-----------------------------------------------------------------------------
- BEGIN_EVENT_TABLE(wxListMainWindow, wxWindow)
- EVT_PAINT (wxListMainWindow::OnPaint)
- EVT_MOUSE_EVENTS (wxListMainWindow::OnMouse)
- EVT_CHAR_HOOK (wxListMainWindow::OnCharHook)
- EVT_CHAR (wxListMainWindow::OnChar)
- EVT_KEY_DOWN (wxListMainWindow::OnKeyDown)
- EVT_KEY_UP (wxListMainWindow::OnKeyUp)
- EVT_SET_FOCUS (wxListMainWindow::OnSetFocus)
- EVT_KILL_FOCUS (wxListMainWindow::OnKillFocus)
- EVT_SCROLLWIN (wxListMainWindow::OnScroll)
- EVT_CHILD_FOCUS (wxListMainWindow::OnChildFocus)
- END_EVENT_TABLE()
- void wxListMainWindow::Init()
- {
- m_dirty = true;
- m_countVirt = 0;
- m_lineFrom =
- m_lineTo = (size_t)-1;
- m_linesPerPage = 0;
- m_headerWidth =
- m_lineHeight = 0;
- m_small_image_list = NULL;
- m_normal_image_list = NULL;
- m_small_spacing = 30;
- m_normal_spacing = 40;
- m_hasFocus = false;
- m_dragCount = 0;
- m_isCreated = false;
- m_lastOnSame = false;
- m_renameTimer = new wxListRenameTimer( this );
- m_findTimer = NULL;
- m_findBell = 0; // default is to not ring bell at all
- m_textctrlWrapper = NULL;
- m_current =
- m_lineLastClicked =
- m_lineSelectSingleOnUp =
- m_lineBeforeLastClicked = (size_t)-1;
- }
- wxListMainWindow::wxListMainWindow()
- {
- Init();
- m_highlightBrush =
- m_highlightUnfocusedBrush = NULL;
- }
- wxListMainWindow::wxListMainWindow( wxWindow *parent,
- wxWindowID id,
- const wxPoint& pos,
- const wxSize& size )
- : wxWindow( parent, id, pos, size,
- wxWANTS_CHARS | wxBORDER_NONE )
- {
- Init();
- m_highlightBrush = new wxBrush
- (
- wxSystemSettings::GetColour
- (
- wxSYS_COLOUR_HIGHLIGHT
- ),
- wxBRUSHSTYLE_SOLID
- );
- m_highlightUnfocusedBrush = new wxBrush
- (
- wxSystemSettings::GetColour
- (
- wxSYS_COLOUR_BTNSHADOW
- ),
- wxBRUSHSTYLE_SOLID
- );
- wxVisualAttributes attr = wxGenericListCtrl::GetClassDefaultAttributes();
- SetOwnForegroundColour( attr.colFg );
- SetOwnBackgroundColour( attr.colBg );
- if (!m_hasFont)
- SetOwnFont( attr.font );
- }
- wxListMainWindow::~wxListMainWindow()
- {
- if ( m_textctrlWrapper )
- m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Destroy);
- DoDeleteAllItems();
- WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
- WX_CLEAR_ARRAY(m_aColWidths);
- delete m_highlightBrush;
- delete m_highlightUnfocusedBrush;
- delete m_renameTimer;
- delete m_findTimer;
- }
- void wxListMainWindow::SetReportView(bool inReportView)
- {
- const size_t count = m_lines.size();
- for ( size_t n = 0; n < count; n++ )
- {
- m_lines[n].SetReportView(inReportView);
- }
- }
- void wxListMainWindow::CacheLineData(size_t line)
- {
- wxGenericListCtrl *listctrl = GetListCtrl();
- wxListLineData *ld = GetDummyLine();
- size_t countCol = GetColumnCount();
- for ( size_t col = 0; col < countCol; col++ )
- {
- ld->SetText(col, listctrl->OnGetItemText(line, col));
- ld->SetImage(col, listctrl->OnGetItemColumnImage(line, col));
- }
- ld->SetAttr(listctrl->OnGetItemAttr(line));
- }
- wxListLineData *wxListMainWindow::GetDummyLine() const
- {
- wxASSERT_MSG( !IsEmpty(), wxT("invalid line index") );
- wxASSERT_MSG( IsVirtual(), wxT("GetDummyLine() shouldn't be called") );
- wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
- // we need to recreate the dummy line if the number of columns in the
- // control changed as it would have the incorrect number of fields
- // otherwise
- if ( !m_lines.IsEmpty() &&
- m_lines[0].m_items.GetCount() != (size_t)GetColumnCount() )
- {
- self->m_lines.Clear();
- }
- if ( m_lines.IsEmpty() )
- {
- wxListLineData *line = new wxListLineData(self);
- self->m_lines.Add(line);
- // don't waste extra memory -- there never going to be anything
- // else/more in this array
- self->m_lines.Shrink();
- }
- return &m_lines[0];
- }
- // ----------------------------------------------------------------------------
- // line geometry (report mode only)
- // ----------------------------------------------------------------------------
- wxCoord wxListMainWindow::GetLineHeight() const
- {
- // we cache the line height as calling GetTextExtent() is slow
- if ( !m_lineHeight )
- {
- wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
- wxClientDC dc( self );
- dc.SetFont( GetFont() );
- wxCoord y;
- dc.GetTextExtent(wxT("H"), NULL, &y);
- if ( m_small_image_list && m_small_image_list->GetImageCount() )
- {
- int iw = 0, ih = 0;
- m_small_image_list->GetSize(0, iw, ih);
- y = wxMax(y, ih);
- }
- y += EXTRA_HEIGHT;
- self->m_lineHeight = y + LINE_SPACING;
- }
- return m_lineHeight;
- }
- wxCoord wxListMainWindow::GetLineY(size_t line) const
- {
- wxASSERT_MSG( InReportView(), wxT("only works in report mode") );
- return LINE_SPACING + line * GetLineHeight();
- }
- wxRect wxListMainWindow::GetLineRect(size_t line) const
- {
- if ( !InReportView() )
- return GetLine(line)->m_gi->m_rectAll;
- wxRect rect;
- rect.x = HEADER_OFFSET_X;
- rect.y = GetLineY(line);
- rect.width = GetHeaderWidth();
- rect.height = GetLineHeight();
- return rect;
- }
- wxRect wxListMainWindow::GetLineLabelRect(size_t line) const
- {
- if ( !InReportView() )
- return GetLine(line)->m_gi->m_rectLabel;
- int image_x = 0;
- wxListLineData *data = GetLine(line);
- wxListItemDataList::compatibility_iterator node = data->m_items.GetFirst();
- if (node)
- {
- wxListItemData *item = node->GetData();
- if ( item->HasImage() )
- {
- int ix, iy;
- GetImageSize( item->GetImage(), ix, iy );
- image_x = 3 + ix + IMAGE_MARGIN_IN_REPORT_MODE;
- }
- }
- wxRect rect;
- rect.x = image_x + HEADER_OFFSET_X;
- rect.y = GetLineY(line);
- rect.width = GetColumnWidth(0) - image_x;
- rect.height = GetLineHeight();
- return rect;
- }
- wxRect wxListMainWindow::GetLineIconRect(size_t line) const
- {
- if ( !InReportView() )
- return GetLine(line)->m_gi->m_rectIcon;
- wxListLineData *ld = GetLine(line);
- wxASSERT_MSG( ld->HasImage(), wxT("should have an image") );
- wxRect rect;
- rect.x = HEADER_OFFSET_X;
- rect.y = GetLineY(line);
- GetImageSize(ld->GetImage(), rect.width, rect.height);
- return rect;
- }
- wxRect wxListMainWindow::GetLineHighlightRect(size_t line) const
- {
- return InReportView() ? GetLineRect(line)
- : GetLine(line)->m_gi->m_rectHighlight;
- }
- long wxListMainWindow::HitTestLine(size_t line, int x, int y) const
- {
- wxASSERT_MSG( line < GetItemCount(), wxT("invalid line in HitTestLine") );
- wxListLineData *ld = GetLine(line);
- if ( ld->HasImage() && GetLineIconRect(line).Contains(x, y) )
- return wxLIST_HITTEST_ONITEMICON;
- // VS: Testing for "ld->HasText() || InReportView()" instead of
- // "ld->HasText()" is needed to make empty lines in report view
- // possible
- if ( ld->HasText() || InReportView() )
- {
- wxRect rect = InReportView() ? GetLineRect(line)
- : GetLineLabelRect(line);
- if ( rect.Contains(x, y) )
- return wxLIST_HITTEST_ONITEMLABEL;
- }
- return 0;
- }
- // ----------------------------------------------------------------------------
- // highlight (selection) handling
- // ----------------------------------------------------------------------------
- bool wxListMainWindow::IsHighlighted(size_t line) const
- {
- if ( IsVirtual() )
- {
- return m_selStore.IsSelected(line);
- }
- else // !virtual
- {
- wxListLineData *ld = GetLine(line);
- wxCHECK_MSG( ld, false, wxT("invalid index in IsHighlighted") );
- return ld->IsHighlighted();
- }
- }
- void wxListMainWindow::HighlightLines( size_t lineFrom,
- size_t lineTo,
- bool highlight )
- {
- if ( IsVirtual() )
- {
- wxArrayInt linesChanged;
- if ( !m_selStore.SelectRange(lineFrom, lineTo, highlight,
- &linesChanged) )
- {
- // meny items changed state, refresh everything
- RefreshLines(lineFrom, lineTo);
- }
- else // only a few items changed state, refresh only them
- {
- size_t count = linesChanged.GetCount();
- for ( size_t n = 0; n < count; n++ )
- {
- RefreshLine(linesChanged[n]);
- }
- }
- }
- else // iterate over all items in non report view
- {
- for ( size_t line = lineFrom; line <= lineTo; line++ )
- {
- if ( HighlightLine(line, highlight) )
- RefreshLine(line);
- }
- }
- }
- bool wxListMainWindow::HighlightLine( size_t line, bool highlight )
- {
- bool changed;
- if ( IsVirtual() )
- {
- changed = m_selStore.SelectItem(line, highlight);
- }
- else // !virtual
- {
- wxListLineData *ld = GetLine(line);
- wxCHECK_MSG( ld, false, wxT("invalid index in HighlightLine") );
- changed = ld->Highlight(highlight);
- }
- if ( changed )
- {
- SendNotify( line, highlight ? wxEVT_LIST_ITEM_SELECTED
- : wxEVT_LIST_ITEM_DESELECTED );
- }
- return changed;
- }
- void wxListMainWindow::RefreshLine( size_t line )
- {
- if ( InReportView() )
- {
- size_t visibleFrom, visibleTo;
- GetVisibleLinesRange(&visibleFrom, &visibleTo);
- if ( line < visibleFrom || line > visibleTo )
- return;
- }
- wxRect rect = GetLineRect(line);
- GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
- RefreshRect( rect );
- }
- void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo )
- {
- // we suppose that they are ordered by caller
- wxASSERT_MSG( lineFrom <= lineTo, wxT("indices in disorder") );
- wxASSERT_MSG( lineTo < GetItemCount(), wxT("invalid line range") );
- if ( InReportView() )
- {
- size_t visibleFrom, visibleTo;
- GetVisibleLinesRange(&visibleFrom, &visibleTo);
- if ( lineFrom < visibleFrom )
- lineFrom = visibleFrom;
- if ( lineTo > visibleTo )
- lineTo = visibleTo;
- wxRect rect;
- rect.x = 0;
- rect.y = GetLineY(lineFrom);
- rect.width = GetClientSize().x;
- rect.height = GetLineY(lineTo) - rect.y + GetLineHeight();
- GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
- RefreshRect( rect );
- }
- else // !report
- {
- // TODO: this should be optimized...
- for ( size_t line = lineFrom; line <= lineTo; line++ )
- {
- RefreshLine(line);
- }
- }
- }
- void wxListMainWindow::RefreshAfter( size_t lineFrom )
- {
- if ( InReportView() )
- {
- size_t visibleFrom, visibleTo;
- GetVisibleLinesRange(&visibleFrom, &visibleTo);
- if ( lineFrom < visibleFrom )
- lineFrom = visibleFrom;
- else if ( lineFrom > visibleTo )
- return;
- wxRect rect;
- rect.x = 0;
- rect.y = GetLineY(lineFrom);
- GetListCtrl()->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
- wxSize size = GetClientSize();
- rect.width = size.x;
- // refresh till the bottom of the window
- rect.height = size.y - rect.y;
- RefreshRect( rect );
- }
- else // !report
- {
- // TODO: how to do it more efficiently?
- m_dirty = true;
- }
- }
- void wxListMainWindow::RefreshSelected()
- {
- if ( IsEmpty() )
- return;
- size_t from, to;
- if ( InReportView() )
- {
- GetVisibleLinesRange(&from, &to);
- }
- else // !virtual
- {
- from = 0;
- to = GetItemCount() - 1;
- }
- if ( HasCurrent() && m_current >= from && m_current <= to )
- RefreshLine(m_current);
- for ( size_t line = from; line <= to; line++ )
- {
- // NB: the test works as expected even if m_current == -1
- if ( line != m_current && IsHighlighted(line) )
- RefreshLine(line);
- }
- }
- void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
- {
- // Note: a wxPaintDC must be constructed even if no drawing is
- // done (a Windows requirement).
- wxPaintDC dc( this );
- if ( IsEmpty() )
- {
- // nothing to draw or not the moment to draw it
- return;
- }
- if ( m_dirty )
- RecalculatePositions( false );
- GetListCtrl()->PrepareDC( dc );
- int dev_x, dev_y;
- GetListCtrl()->CalcScrolledPosition( 0, 0, &dev_x, &dev_y );
- dc.SetFont( GetFont() );
- if ( InReportView() )
- {
- int lineHeight = GetLineHeight();
- size_t visibleFrom, visibleTo;
- GetVisibleLinesRange(&visibleFrom, &visibleTo);
- wxRect rectLine;
- int xOrig = dc.LogicalToDeviceX( 0 );
- int yOrig = dc.LogicalToDeviceY( 0 );
- // tell the caller cache to cache the data
- if ( IsVirtual() )
- {
- wxListEvent evCache(wxEVT_LIST_CACHE_HINT,
- GetParent()->GetId());
- evCache.SetEventObject( GetParent() );
- evCache.m_oldItemIndex = visibleFrom;
- evCache.m_item.m_itemId =
- evCache.m_itemIndex = visibleTo;
- GetParent()->GetEventHandler()->ProcessEvent( evCache );
- }
- for ( size_t line = visibleFrom; line <= visibleTo; line++ )
- {
- rectLine = GetLineRect(line);
- if ( !IsExposed(rectLine.x + xOrig, rectLine.y + yOrig,
- rectLine.width, rectLine.height) )
- {
- // don't redraw unaffected lines to avoid flicker
- continue;
- }
- GetLine(line)->DrawInReportMode( &dc,
- rectLine,
- GetLineHighlightRect(line),
- IsHighlighted(line),
- line == m_current );
- }
- if ( HasFlag(wxLC_HRULES) )
- {
- wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
- wxSize clientSize = GetClientSize();
- size_t i = visibleFrom;
- if (i == 0) i = 1; // Don't draw the first one
- for ( ; i <= visibleTo; i++ )
- {
- dc.SetPen(pen);
- dc.SetBrush( *wxTRANSPARENT_BRUSH );
- dc.DrawLine(0 - dev_x, i * lineHeight,
- clientSize.x - dev_x, i * lineHeight);
- }
- // Draw last horizontal rule
- if ( visibleTo == GetItemCount() - 1 )
- {
- dc.SetPen( pen );
- dc.SetBrush( *wxTRANSPARENT_BRUSH );
- dc.DrawLine(0 - dev_x, (m_lineTo + 1) * lineHeight,
- clientSize.x - dev_x , (m_lineTo + 1) * lineHeight );
- }
- }
- // Draw vertical rules if required
- if ( HasFlag(wxLC_VRULES) && !IsEmpty() )
- {
- wxPen pen(GetRuleColour(), 1, wxPENSTYLE_SOLID);
- wxRect firstItemRect, lastItemRect;
- GetItemRect(visibleFrom, firstItemRect);
- GetItemRect(visibleTo, lastItemRect);
- int x = firstItemRect.GetX();
- dc.SetPen(pen);
- dc.SetBrush(* wxTRANSPARENT_BRUSH);
- for (int col = 0; col < GetColumnCount(); col++)
- {
- int colWidth = GetColumnWidth(col);
- x += colWidth;
- int x_pos = x - dev_x;
- if (col < GetColumnCount()-1) x_pos -= 2;
- dc.DrawLine(x_pos, firstItemRect.GetY() - 1 - dev_y,
- x_pos, lastItemRect.GetBottom() + 1 - dev_y);
- }
- }
- }
- else // !report
- {
- size_t count = GetItemCount();
- for ( size_t i = 0; i < count; i++ )
- {
- GetLine(i)->Draw( &dc, i == m_current );
- }
- }
- // DrawFocusRect() is unusable under Mac, it draws outside of the highlight
- // rectangle somehow and so leaves traces when the item is not selected any
- // more, see #12229.
- #ifndef __WXMAC__
- if ( HasCurrent() )
- {
- int flags = 0;
- if ( IsHighlighted(m_current) )
- flags |= wxCONTROL_SELECTED;
- wxRendererNative::Get().
- DrawFocusRect(this, dc, GetLineHighlightRect(m_current), flags);
- }
- #endif // !__WXMAC__
- }
- void wxListMainWindow::HighlightAll( bool on )
- {
- if ( IsSingleSel() )
- {
- wxASSERT_MSG( !on, wxT("can't do this in a single selection control") );
- // we just have one item to turn off
- if ( HasCurrent() && IsHighlighted(m_current) )
- {
- HighlightLine(m_current, false);
- RefreshLine(m_current);
- }
- }
- else // multi selection
- {
- if ( !IsEmpty() )
- HighlightLines(0, GetItemCount() - 1, on);
- }
- }
- void wxListMainWindow::OnChildFocus(wxChildFocusEvent& WXUNUSED(event))
- {
- // Do nothing here. This prevents the default handler in wxScrolledWindow
- // from needlessly scrolling the window when the edit control is
- // dismissed. See ticket #9563.
- }
- void wxListMainWindow::SendNotify( size_t line,
- wxEventType command,
- const wxPoint& point )
- {
- wxListEvent le( command, GetParent()->GetId() );
- le.SetEventObject( GetParent() );
- le.m_item.m_itemId =
- le.m_itemIndex = line;
- // set only for events which have position
- if ( point != wxDefaultPosition )
- le.m_pointDrag = point;
- // don't try to get the line info for virtual list controls: the main
- // program has it anyhow and if we did it would result in accessing all
- // the lines, even those which are not visible now and this is precisely
- // what we're trying to avoid
- if ( !IsVirtual() )
- {
- if ( line != (size_t)-1 )
- {
- GetLine(line)->GetItem( 0, le.m_item );
- }
- //else: this happens for wxEVT_LIST_ITEM_FOCUSED event
- }
- //else: there may be no more such item
- GetParent()->GetEventHandler()->ProcessEvent( le );
- }
- void wxListMainWindow::ChangeCurrent(size_t current)
- {
- m_current = current;
- // as the current item changed, we shouldn't start editing it when the
- // "slow click" timer expires as the click happened on another item
- if ( m_renameTimer->IsRunning() )
- m_renameTimer->Stop();
- SendNotify(current, wxEVT_LIST_ITEM_FOCUSED);
- }
- wxTextCtrl *wxListMainWindow::EditLabel(long item, wxClassInfo* textControlClass)
- {
- wxCHECK_MSG( (item >= 0) && ((size_t)item < GetItemCount()), NULL,
- wxT("wrong index in wxGenericListCtrl::EditLabel()") );
- wxASSERT_MSG( textControlClass->IsKindOf(wxCLASSINFO(wxTextCtrl)),
- wxT("EditLabel() needs a text control") );
- size_t itemEdit = (size_t)item;
- wxListEvent le( wxEVT_LIST_BEGIN_LABEL_EDIT, GetParent()->GetId() );
- le.SetEventObject( GetParent() );
- le.m_item.m_itemId =
- le.m_itemIndex = item;
- wxListLineData *data = GetLine(itemEdit);
- wxCHECK_MSG( data, NULL, wxT("invalid index in EditLabel()") );
- data->GetItem( 0, le.m_item );
- if ( GetParent()->GetEventHandler()->ProcessEvent( le ) && !le.IsAllowed() )
- {
- // vetoed by user code
- return NULL;
- }
- if ( m_dirty )
- {
- // Ensure the display is updated before we start editing.
- Update();
- }
- wxTextCtrl * const text = (wxTextCtrl *)textControlClass->CreateObject();
- m_textctrlWrapper = new wxListTextCtrlWrapper(this, text, item);
- return m_textctrlWrapper->GetText();
- }
- void wxListMainWindow::OnRenameTimer()
- {
- wxCHECK_RET( HasCurrent(), wxT("unexpected rename timer") );
- EditLabel( m_current );
- }
- bool wxListMainWindow::OnRenameAccept(size_t itemEdit, const wxString& value)
- {
- wxListEvent le( wxEVT_LIST_END_LABEL_EDIT, GetParent()->GetId() );
- le.SetEventObject( GetParent() );
- le.m_item.m_itemId =
- le.m_itemIndex = itemEdit;
- wxListLineData *data = GetLine(itemEdit);
- wxCHECK_MSG( data, false, wxT("invalid index in OnRenameAccept()") );
- data->GetItem( 0, le.m_item );
- le.m_item.m_text = value;
- return !GetParent()->GetEventHandler()->ProcessEvent( le ) ||
- le.IsAllowed();
- }
- void wxListMainWindow::OnRenameCancelled(size_t itemEdit)
- {
- // let owner know that the edit was cancelled
- wxListEvent le( wxEVT_LIST_END_LABEL_EDIT, GetParent()->GetId() );
- le.SetEditCanceled(true);
- le.SetEventObject( GetParent() );
- le.m_item.m_itemId =
- le.m_itemIndex = itemEdit;
- wxListLineData *data = GetLine(itemEdit);
- wxCHECK_RET( data, wxT("invalid index in OnRenameCancelled()") );
- data->GetItem( 0, le.m_item );
- GetEventHandler()->ProcessEvent( le );
- }
- void wxListMainWindow::OnFindTimer()
- {
- m_findPrefix.clear();
- if ( m_findBell )
- m_findBell = 1;
- }
- void wxListMainWindow::EnableBellOnNoMatch( bool on )
- {
- m_findBell = on;
- }
- void wxListMainWindow::OnMouse( wxMouseEvent &event )
- {
- #ifdef __WXMAC__
- // On wxMac we can't depend on the EVT_KILL_FOCUS event to properly
- // shutdown the edit control when the mouse is clicked elsewhere on the
- // listctrl because the order of events is different (or something like
- // that), so explicitly end the edit if it is active.
- if ( event.LeftDown() && m_textctrlWrapper )
- m_textctrlWrapper->EndEdit(wxListTextCtrlWrapper::End_Accept);
- #endif // __WXMAC__
- if ( event.LeftDown() )
- {
- // Ensure we skip the event to let the system set focus to this window.
- event.Skip();
- }
- // Pretend that the event happened in wxListCtrl itself.
- wxMouseEvent me(event);
- me.SetEventObject( GetParent() );
- me.SetId(GetParent()->GetId());
- if ( GetParent()->GetEventHandler()->ProcessEvent( me ))
- return;
- if (event.GetEventType() == wxEVT_MOUSEWHEEL)
- {
- // let the base class handle mouse wheel events.
- event.Skip();
- return;
- }
- if ( !HasCurrent() || IsEmpty() )
- {
- if (event.RightDown())
- {
- SendNotify( (size_t)-1, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
- wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
- GetParent()->GetId(),
- ClientToScreen(event.GetPosition()));
- evtCtx.SetEventObject(GetParent());
- GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
- }
- return;
- }
- if (m_dirty)
- return;
- if ( !(event.Dragging() || event.ButtonDown() || event.LeftUp() ||
- event.ButtonDClick()) )
- return;
- int x = event.GetX();
- int y = event.GetY();
- GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
- // where did we hit it (if we did)?
- long hitResult = 0;
- size_t count = GetItemCount(),
- current;
- if ( InReportView() )
- {
- current = y / GetLineHeight();
- if ( current < count )
- hitResult = HitTestLine(current, x, y);
- }
- else // !report
- {
- // TODO: optimize it too! this is less simple than for report view but
- // enumerating all items is still not a way to do it!!
- for ( current = 0; current < count; current++ )
- {
- hitResult = HitTestLine(current, x, y);
- if ( hitResult )
- break;
- }
- }
- // Update drag events counter first as we must do it even if the mouse is
- // not on any item right now as we must keep count in case we started
- // dragging from the empty control area but continued to do it over a valid
- // item -- in this situation we must not start dragging this item.
- if (event.Dragging())
- m_dragCount++;
- else
- m_dragCount = 0;
- // The only mouse event that can be generated without any valid item is
- // wxEVT_LIST_ITEM_RIGHT_CLICK as it can be useful to have a global
- // popup menu for the list control itself which should be shown even when
- // the user clicks outside of any item.
- if ( !hitResult )
- {
- // outside of any item
- if (event.RightDown())
- {
- SendNotify( (size_t) -1, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
- wxContextMenuEvent evtCtx(
- wxEVT_CONTEXT_MENU,
- GetParent()->GetId(),
- ClientToScreen(event.GetPosition()));
- evtCtx.SetEventObject(GetParent());
- GetParent()->GetEventHandler()->ProcessEvent(evtCtx);
- }
- else
- {
- // reset the selection and bail out
- HighlightAll(false);
- }
- return;
- }
- if ( event.Dragging() )
- {
- if (m_dragCount == 1)
- {
- // we have to report the raw, physical coords as we want to be
- // able to call HitTest(event.m_pointDrag) from the user code to
- // get the item being dragged
- m_dragStart = event.GetPosition();
- }
- if (m_dragCount != 3)
- return;
- int command = event.RightIsDown() ? wxEVT_LIST_BEGIN_RDRAG
- : wxEVT_LIST_BEGIN_DRAG;
- SendNotify( m_lineLastClicked, command, m_dragStart );
- return;
- }
- bool forceClick = false;
- if (event.ButtonDClick())
- {
- if ( m_renameTimer->IsRunning() )
- m_renameTimer->Stop();
- m_lastOnSame = false;
- if ( current == m_lineLastClicked )
- {
- SendNotify( current, wxEVT_LIST_ITEM_ACTIVATED );
- return;
- }
- else
- {
- // The first click was on another item, so don't interpret this as
- // a double click, but as a simple click instead
- forceClick = true;
- }
- }
- if (event.LeftUp())
- {
- if (m_lineSelectSingleOnUp != (size_t)-1)
- {
- // select single line
- HighlightAll( false );
- ReverseHighlight(m_lineSelectSingleOnUp);
- }
- if (m_lastOnSame)
- {
- if ((current == m_current) &&
- (hitResult == wxLIST_HITTEST_ONITEMLABEL) &&
- HasFlag(wxLC_EDIT_LABELS) )
- {
- if ( !InReportView() ||
- GetLineLabelRect(current).Contains(x, y) )
- {
- int dclick = wxSystemSettings::GetMetric(wxSYS_DCLICK_MSEC);
- m_renameTimer->Start(dclick > 0 ? dclick : 250, true);
- }
- }
- m_lastOnSame = false;
- }
- m_lineSelectSingleOnUp = (size_t)-1;
- }
- else
- {
- // This is necessary, because after a DnD operation in
- // from and to ourself, the up event is swallowed by the
- // DnD code. So on next non-up event (which means here and
- // now) m_lineSelectSingleOnUp should be reset.
- m_lineSelectSingleOnUp = (size_t)-1;
- }
- if (event.RightDown())
- {
- m_lineBeforeLastClicked = m_lineLastClicked;
- m_lineLastClicked = current;
- // If the item is already selected, do not update the selection.
- // Multi-selections should not be cleared if a selected item is clicked.
- if (!IsHighlighted(current))
- {
- HighlightAll(false);
- ChangeCurrent(current);
- ReverseHighlight(m_current);
- }
- SendNotify( current, wxEVT_LIST_ITEM_RIGHT_CLICK, event.GetPosition() );
- // Allow generation of context menu event
- event.Skip();
- }
- else if (event.MiddleDown())
- {
- SendNotify( current, wxEVT_LIST_ITEM_MIDDLE_CLICK );
- }
- else if ( event.LeftDown() || forceClick )
- {
- m_lineBeforeLastClicked = m_lineLastClicked;
- m_lineLastClicked = current;
- size_t oldCurrent = m_current;
- bool oldWasSelected = IsHighlighted(m_current);
- bool cmdModifierDown = event.CmdDown();
- if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
- {
- if ( IsSingleSel() || !IsHighlighted(current) )
- {
- HighlightAll( false );
- ChangeCurrent(current);
- ReverseHighlight(m_current);
- }
- else // multi sel & current is highlighted & no mod keys
- {
- m_lineSelectSingleOnUp = current;
- ChangeCurrent(current); // change focus
- }
- }
- else // multi sel & either ctrl or shift is down
- {
- if (cmdModifierDown)
- {
- ChangeCurrent(current);
- ReverseHighlight(m_current);
- }
- else if (event.ShiftDown())
- {
- ChangeCurrent(current);
- size_t lineFrom = oldCurrent,
- lineTo = current;
- if ( lineTo < lineFrom )
- {
- lineTo = lineFrom;
- lineFrom = m_current;
- }
- HighlightLines(lineFrom, lineTo);
- }
- else // !ctrl, !shift
- {
- // test in the enclosing if should make it impossible
- wxFAIL_MSG( wxT("how did we get here?") );
- }
- }
- if (m_current != oldCurrent)
- RefreshLine( oldCurrent );
- // Set the flag telling us whether the next click on this item should
- // start editing its label. This should happen if we clicked on the
- // current item and it was already selected, i.e. if this click was not
- // done to select it.
- //
- // It should not happen if this was a double click (forceClick is true)
- // nor if we hadn't had the focus before as then this click was used to
- // give focus to the control.
- m_lastOnSame = (m_current == oldCurrent) && oldWasSelected &&
- !forceClick && HasFocus();
- }
- }
- void wxListMainWindow::MoveToItem(size_t item)
- {
- if ( item == (size_t)-1 )
- return;
- wxRect rect = GetLineRect(item);
- int client_w, client_h;
- GetClientSize( &client_w, &client_h );
- const int hLine = GetLineHeight();
- int view_x = SCROLL_UNIT_X * GetListCtrl()->GetScrollPos( wxHORIZONTAL );
- int view_y = hLine * GetListCtrl()->GetScrollPos( wxVERTICAL );
- if ( InReportView() )
- {
- // the next we need the range of lines shown it might be different,
- // so recalculate it
- ResetVisibleLinesRange();
- if (rect.y < view_y)
- GetListCtrl()->Scroll( -1, rect.y / hLine );
- if (rect.y + rect.height + 5 > view_y + client_h)
- GetListCtrl()->Scroll( -1, (rect.y + rect.height - client_h + hLine) / hLine );
- #ifdef __WXMAC__
- // At least on Mac the visible lines value will get reset inside of
- // Scroll *before* it actually scrolls the window because of the
- // Update() that happens there, so it will still have the wrong value.
- // So let's reset it again and wait for it to be recalculated in the
- // next paint event. I would expect this problem to show up in wxGTK
- // too but couldn't duplicate it there. Perhaps the order of events
- // is different... --Robin
- ResetVisibleLinesRange();
- #endif
- }
- else // !report
- {
- int sx = -1,
- sy = -1;
- if (rect.x-view_x < 5)
- sx = (rect.x - 5) / SCROLL_UNIT_X;
- if (rect.x + rect.width - 5 > view_x + client_w)
- sx = (rect.x + rect.width - client_w + SCROLL_UNIT_X) / SCROLL_UNIT_X;
- if (rect.y-view_y < 5)
- sy = (rect.y - 5) / hLine;
- if (rect.y + rect.height - 5 > view_y + client_h)
- sy = (rect.y + rect.height - client_h + hLine) / hLine;
- GetListCtrl()->Scroll(sx, sy);
- }
- }
- bool wxListMainWindow::ScrollList(int WXUNUSED(dx), int dy)
- {
- if ( !InReportView() )
- {
- // TODO: this should work in all views but is not implemented now
- return false;
- }
- size_t top, bottom;
- GetVisibleLinesRange(&top, &bottom);
- if ( bottom == (size_t)-1 )
- return 0;
- ResetVisibleLinesRange();
- int hLine = GetLineHeight();
- GetListCtrl()->Scroll(-1, top + dy / hLine);
- #ifdef __WXMAC__
- // see comment in MoveToItem() for why we do this
- ResetVisibleLinesRange();
- #endif
- return true;
- }
- // ----------------------------------------------------------------------------
- // keyboard handling
- // ----------------------------------------------------------------------------
- void wxListMainWindow::OnArrowChar(size_t newCurrent, const wxKeyEvent& event)
- {
- wxCHECK_RET( newCurrent < (size_t)GetItemCount(),
- wxT("invalid item index in OnArrowChar()") );
- size_t oldCurrent = m_current;
- // in single selection we just ignore Shift as we can't select several
- // items anyhow
- if ( event.ShiftDown() && !IsSingleSel() )
- {
- ChangeCurrent(newCurrent);
- // refresh the old focus to remove it
- RefreshLine( oldCurrent );
- // select all the items between the old and the new one
- if ( oldCurrent > newCurrent )
- {
- newCurrent = oldCurrent;
- oldCurrent = m_current;
- }
- HighlightLines(oldCurrent, newCurrent);
- }
- else // !shift
- {
- // all previously selected items are unselected unless ctrl is held
- // in a multiselection control
- if ( !event.ControlDown() || IsSingleSel() )
- HighlightAll(false);
- ChangeCurrent(newCurrent);
- // refresh the old focus to remove it
- RefreshLine( oldCurrent );
- // in single selection mode we must always have a selected item
- if ( !event.ControlDown() || IsSingleSel() )
- HighlightLine( m_current, true );
- }
- RefreshLine( m_current );
- MoveToFocus();
- }
- void wxListMainWindow::OnKeyDown( wxKeyEvent &event )
- {
- wxWindow *parent = GetParent();
- // propagate the key event upwards
- wxKeyEvent ke(event);
- ke.SetEventObject( parent );
- ke.SetId(GetParent()->GetId());
- if (parent->GetEventHandler()->ProcessEvent( ke ))
- return;
- // send a list event
- wxListEvent le( wxEVT_LIST_KEY_DOWN, parent->GetId() );
- le.m_item.m_itemId =
- le.m_itemIndex = m_current;
- if (HasCurrent())
- GetLine(m_current)->GetItem( 0, le.m_item );
- le.m_code = event.GetKeyCode();
- le.SetEventObject( parent );
- if (parent->GetEventHandler()->ProcessEvent( le ))
- return;
- event.Skip();
- }
- void wxListMainWindow::OnKeyUp( wxKeyEvent &event )
- {
- wxWindow *parent = GetParent();
- // propagate the key event upwards
- wxKeyEvent ke(event);
- ke.SetEventObject( parent );
- ke.SetId(GetParent()->GetId());
- if (parent->GetEventHandler()->ProcessEvent( ke ))
- return;
- event.Skip();
- }
- void wxListMainWindow::OnCharHook( wxKeyEvent &event )
- {
- if ( m_textctrlWrapper )
- {
- // When an in-place editor is active we should ensure that it always
- // gets the key events that are special to it.
- if ( m_textctrlWrapper->CheckForEndEditKey(event) )
- {
- // Skip the call to wxEvent::Skip() below.
- return;
- }
- }
- event.Skip();
- }
- void wxListMainWindow::OnChar( wxKeyEvent &event )
- {
- wxWindow *parent = GetParent();
- // propagate the char event upwards
- wxKeyEvent ke(event);
- ke.SetEventObject( parent );
- ke.SetId(GetParent()->GetId());
- if (parent->GetEventHandler()->ProcessEvent( ke ))
- return;
- if ( HandleAsNavigationKey(event) )
- return;
- // no item -> nothing to do
- if (!HasCurrent())
- {
- event.Skip();
- return;
- }
- // don't use m_linesPerPage directly as it might not be computed yet
- const int pageSize = GetCountPerPage();
- wxCHECK_RET( pageSize, wxT("should have non zero page size") );
- if (GetLayoutDirection() == wxLayout_RightToLeft)
- {
- if (event.GetKeyCode() == WXK_RIGHT)
- event.m_keyCode = WXK_LEFT;
- else if (event.GetKeyCode() == WXK_LEFT)
- event.m_keyCode = WXK_RIGHT;
- }
- int keyCode = event.GetKeyCode();
- switch ( keyCode )
- {
- case WXK_UP:
- if ( m_current > 0 )
- OnArrowChar( m_current - 1, event );
- break;
- case WXK_DOWN:
- if ( m_current < (size_t)GetItemCount() - 1 )
- OnArrowChar( m_current + 1, event );
- break;
- case WXK_END:
- if (!IsEmpty())
- OnArrowChar( GetItemCount() - 1, event );
- break;
- case WXK_HOME:
- if (!IsEmpty())
- OnArrowChar( 0, event );
- break;
- case WXK_PAGEUP:
- {
- int steps = InReportView() ? pageSize - 1
- : m_current % pageSize;
- int index = m_current - steps;
- if (index < 0)
- index = 0;
- OnArrowChar( index, event );
- }
- break;
- case WXK_PAGEDOWN:
- {
- int steps = InReportView()
- ? pageSize - 1
- : pageSize - (m_current % pageSize) - 1;
- size_t index = m_current + steps;
- size_t count = GetItemCount();
- if ( index >= count )
- index = count - 1;
- OnArrowChar( index, event );
- }
- break;
- case WXK_LEFT:
- if ( !InReportView() )
- {
- int index = m_current - pageSize;
- if (index < 0)
- index = 0;
- OnArrowChar( index, event );
- }
- break;
- case WXK_RIGHT:
- if ( !InReportView() )
- {
- size_t index = m_current + pageSize;
- size_t count = GetItemCount();
- if ( index >= count )
- index = count - 1;
- OnArrowChar( index, event );
- }
- break;
- case WXK_SPACE:
- if ( IsSingleSel() )
- {
- if ( event.ControlDown() )
- {
- ReverseHighlight(m_current);
- }
- else // normal space press
- {
- SendNotify( m_current, wxEVT_LIST_ITEM_ACTIVATED );
- }
- }
- else // multiple selection
- {
- ReverseHighlight(m_current);
- }
- break;
- case WXK_RETURN:
- case WXK_EXECUTE:
- SendNotify( m_current, wxEVT_LIST_ITEM_ACTIVATED );
- break;
- default:
- if ( !event.HasModifiers() &&
- ((keyCode >= '0' && keyCode <= '9') ||
- (keyCode >= 'a' && keyCode <= 'z') ||
- (keyCode >= 'A' && keyCode <= 'Z') ||
- (keyCode == '_') ||
- (keyCode == '+') ||
- (keyCode == '*') ||
- (keyCode == '-')))
- {
- // find the next item starting with the given prefix
- wxChar ch = (wxChar)keyCode;
- size_t item;
- // if the same character is typed multiple times then go to the
- // next entry starting with that character instead of searching
- // for an item starting with multiple copies of this character,
- // this is more useful and is how it works under Windows.
- if ( m_findPrefix.length() == 1 && m_findPrefix[0] == ch )
- {
- item = PrefixFindItem(m_current, ch);
- }
- else
- {
- const wxString newPrefix(m_findPrefix + ch);
- item = PrefixFindItem(m_current, newPrefix);
- if ( item != (size_t)-1 )
- m_findPrefix = newPrefix;
- }
- // also start the timer to reset the current prefix if the user
- // doesn't press any more alnum keys soon -- we wouldn't want
- // to use this prefix for a new item search
- if ( !m_findTimer )
- {
- m_findTimer = new wxListFindTimer( this );
- }
- // Notice that we should start the timer even if we didn't find
- // anything to make sure we reset the search state later.
- m_findTimer->Start(wxListFindTimer::DELAY, wxTIMER_ONE_SHOT);
- // restart timer even when there's no match so bell get's reset
- if ( item != (size_t)-1 )
- {
- // Select the found item and go to it.
- HighlightAll(false);
- SetItemState(item,
- wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED,
- wxLIST_STATE_FOCUSED | wxLIST_STATE_SELECTED);
- // Reset the bell flag if it had been temporarily disabled
- // before.
- if ( m_findBell )
- m_findBell = 1;
- }
- else // No such item
- {
- // Signal it with a bell if enabled.
- if ( m_findBell == 1 )
- {
- ::wxBell();
- // Disable it for the next unsuccessful match, we only
- // beep once, this is usually enough and continuing to
- // do it would be annoying.
- m_findBell = -1;
- }
- }
- }
- else
- {
- event.Skip();
- }
- }
- }
- // ----------------------------------------------------------------------------
- // focus handling
- // ----------------------------------------------------------------------------
- void wxListMainWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
- {
- if ( GetParent() )
- {
- wxFocusEvent event( wxEVT_SET_FOCUS, GetParent()->GetId() );
- event.SetEventObject( GetParent() );
- if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
- return;
- }
- // wxGTK sends us EVT_SET_FOCUS events even if we had never got
- // EVT_KILL_FOCUS before which means that we finish by redrawing the items
- // which are already drawn correctly resulting in horrible flicker - avoid
- // it
- if ( !m_hasFocus )
- {
- m_hasFocus = true;
- RefreshSelected();
- }
- }
- void wxListMainWindow::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
- {
- if ( GetParent() )
- {
- wxFocusEvent event( wxEVT_KILL_FOCUS, GetParent()->GetId() );
- event.SetEventObject( GetParent() );
- if ( GetParent()->GetEventHandler()->ProcessEvent( event) )
- return;
- }
- m_hasFocus = false;
- RefreshSelected();
- }
- void wxListMainWindow::DrawImage( int index, wxDC *dc, int x, int y )
- {
- if ( HasFlag(wxLC_ICON) && (m_normal_image_list))
- {
- m_normal_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
- }
- else if ( HasFlag(wxLC_SMALL_ICON) && (m_small_image_list))
- {
- m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
- }
- else if ( HasFlag(wxLC_LIST) && (m_small_image_list))
- {
- m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
- }
- else if ( InReportView() && (m_small_image_list))
- {
- m_small_image_list->Draw( index, *dc, x, y, wxIMAGELIST_DRAW_TRANSPARENT );
- }
- }
- void wxListMainWindow::GetImageSize( int index, int &width, int &height ) const
- {
- if ( HasFlag(wxLC_ICON) && m_normal_image_list )
- {
- m_normal_image_list->GetSize( index, width, height );
- }
- else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
- {
- m_small_image_list->GetSize( index, width, height );
- }
- else if ( HasFlag(wxLC_LIST) && m_small_image_list )
- {
- m_small_image_list->GetSize( index, width, height );
- }
- else if ( InReportView() && m_small_image_list )
- {
- m_small_image_list->GetSize( index, width, height );
- }
- else
- {
- width =
- height = 0;
- }
- }
- void wxListMainWindow::SetImageList( wxImageList *imageList, int which )
- {
- m_dirty = true;
- // calc the spacing from the icon size
- int width = 0, height = 0;
- if ((imageList) && (imageList->GetImageCount()) )
- imageList->GetSize(0, width, height);
- if (which == wxIMAGE_LIST_NORMAL)
- {
- m_normal_image_list = imageList;
- m_normal_spacing = width + 8;
- }
- if (which == wxIMAGE_LIST_SMALL)
- {
- m_small_image_list = imageList;
- m_small_spacing = width + 14;
- m_lineHeight = 0; // ensure that the line height will be recalc'd
- }
- }
- void wxListMainWindow::SetItemSpacing( int spacing, bool isSmall )
- {
- m_dirty = true;
- if (isSmall)
- m_small_spacing = spacing;
- else
- m_normal_spacing = spacing;
- }
- int wxListMainWindow::GetItemSpacing( bool isSmall )
- {
- return isSmall ? m_small_spacing : m_normal_spacing;
- }
- // ----------------------------------------------------------------------------
- // columns
- // ----------------------------------------------------------------------------
- int
- wxListMainWindow::ComputeMinHeaderWidth(const wxListHeaderData* column) const
- {
- wxClientDC dc(const_cast<wxListMainWindow*>(this));
- int width = dc.GetTextExtent(column->GetText()).x + AUTOSIZE_COL_MARGIN;
- width += 2*EXTRA_WIDTH;
- // check for column header's image availability
- const int image = column->GetImage();
- if ( image != -1 )
- {
- if ( m_small_image_list )
- {
- int ix = 0, iy = 0;
- m_small_image_list->GetSize(image, ix, iy);
- width += ix + HEADER_IMAGE_MARGIN_IN_REPORT_MODE;
- }
- }
- return width;
- }
- void wxListMainWindow::SetColumn( int col, const wxListItem &item )
- {
- wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
- wxCHECK_RET( node, wxT("invalid column index in SetColumn") );
- wxListHeaderData *column = node->GetData();
- column->SetItem( item );
- if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER )
- column->SetWidth(ComputeMinHeaderWidth(column));
- wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
- if ( headerWin )
- headerWin->m_dirty = true;
- m_dirty = true;
- // invalidate it as it has to be recalculated
- m_headerWidth = 0;
- }
- void wxListMainWindow::SetColumnWidth( int col, int width )
- {
- wxCHECK_RET( col >= 0 && col < GetColumnCount(),
- wxT("invalid column index") );
- wxCHECK_RET( InReportView(),
- wxT("SetColumnWidth() can only be called in report mode.") );
- m_dirty = true;
- wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
- if ( headerWin )
- headerWin->m_dirty = true;
- wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
- wxCHECK_RET( node, wxT("no column?") );
- wxListHeaderData *column = node->GetData();
- size_t count = GetItemCount();
- if (width == wxLIST_AUTOSIZE_USEHEADER)
- {
- width = ComputeMinHeaderWidth(column);
- }
- else if ( width == wxLIST_AUTOSIZE )
- {
- width = ComputeMinHeaderWidth(column);
- if ( !IsVirtual() )
- {
- wxClientDC dc(this);
- dc.SetFont( GetFont() );
- int max = AUTOSIZE_COL_MARGIN;
- // if the cached column width isn't valid then recalculate it
- if (m_aColWidths.Item(col)->bNeedsUpdate)
- {
- for (size_t i = 0; i < count; i++)
- {
- wxListLineData *line = GetLine( i );
- wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
- wxCHECK_RET( n, wxT("no subitem?") );
- wxListItemData *itemData = n->GetData();
- wxListItem item;
- itemData->GetItem(item);
- int itemWidth = GetItemWidthWithImage(&item);
- if (itemWidth > max)
- max = itemWidth;
- }
- m_aColWidths.Item(col)->bNeedsUpdate = false;
- m_aColWidths.Item(col)->nMaxWidth = max;
- }
- max = m_aColWidths.Item(col)->nMaxWidth + AUTOSIZE_COL_MARGIN;
- if ( width < max )
- width = max;
- }
- }
- column->SetWidth( width );
- // invalidate it as it has to be recalculated
- m_headerWidth = 0;
- }
- int wxListMainWindow::GetHeaderWidth() const
- {
- if ( !m_headerWidth )
- {
- wxListMainWindow *self = wxConstCast(this, wxListMainWindow);
- size_t count = GetColumnCount();
- for ( size_t col = 0; col < count; col++ )
- {
- self->m_headerWidth += GetColumnWidth(col);
- }
- }
- return m_headerWidth;
- }
- void wxListMainWindow::GetColumn( int col, wxListItem &item ) const
- {
- wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
- wxCHECK_RET( node, wxT("invalid column index in GetColumn") );
- wxListHeaderData *column = node->GetData();
- column->GetItem( item );
- }
- int wxListMainWindow::GetColumnWidth( int col ) const
- {
- wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
- wxCHECK_MSG( node, 0, wxT("invalid column index") );
- wxListHeaderData *column = node->GetData();
- return column->GetWidth();
- }
- // ----------------------------------------------------------------------------
- // item state
- // ----------------------------------------------------------------------------
- void wxListMainWindow::SetItem( wxListItem &item )
- {
- long id = item.m_itemId;
- wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(),
- wxT("invalid item index in SetItem") );
- if ( !IsVirtual() )
- {
- wxListLineData *line = GetLine((size_t)id);
- line->SetItem( item.m_col, item );
- // Set item state if user wants
- if ( item.m_mask & wxLIST_MASK_STATE )
- SetItemState( item.m_itemId, item.m_state, item.m_state );
- if (InReportView())
- {
- // update the Max Width Cache if needed
- int width = GetItemWidthWithImage(&item);
- if (width > m_aColWidths.Item(item.m_col)->nMaxWidth)
- m_aColWidths.Item(item.m_col)->nMaxWidth = width;
- }
- }
- // update the item on screen unless we're going to update everything soon
- // anyhow
- if ( !m_dirty )
- {
- wxRect rectItem;
- GetItemRect(id, rectItem);
- RefreshRect(rectItem);
- }
- }
- void wxListMainWindow::SetItemStateAll(long state, long stateMask)
- {
- if ( IsEmpty() )
- return;
- // first deal with selection
- if ( stateMask & wxLIST_STATE_SELECTED )
- {
- // set/clear select state
- if ( IsVirtual() )
- {
- // optimized version for virtual listctrl.
- m_selStore.SelectRange(0, GetItemCount() - 1, state == wxLIST_STATE_SELECTED);
- Refresh();
- }
- else if ( state & wxLIST_STATE_SELECTED )
- {
- const long count = GetItemCount();
- for( long i = 0; i < count; i++ )
- {
- SetItemState( i, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
- }
- }
- else
- {
- // clear for non virtual (somewhat optimized by using GetNextItem())
- long i = -1;
- while ( (i = GetNextItem(i, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED)) != -1 )
- {
- SetItemState( i, 0, wxLIST_STATE_SELECTED );
- }
- }
- }
- if ( HasCurrent() && (state == 0) && (stateMask & wxLIST_STATE_FOCUSED) )
- {
- // unfocus all: only one item can be focussed, so clearing focus for
- // all items is simply clearing focus of the focussed item.
- SetItemState(m_current, state, stateMask);
- }
- //(setting focus to all items makes no sense, so it is not handled here.)
- }
- void wxListMainWindow::SetItemState( long litem, long state, long stateMask )
- {
- if ( litem == -1 )
- {
- SetItemStateAll(state, stateMask);
- return;
- }
- wxCHECK_RET( litem >= 0 && (size_t)litem < GetItemCount(),
- wxT("invalid list ctrl item index in SetItem") );
- size_t oldCurrent = m_current;
- size_t item = (size_t)litem; // safe because of the check above
- // do we need to change the focus?
- if ( stateMask & wxLIST_STATE_FOCUSED )
- {
- if ( state & wxLIST_STATE_FOCUSED )
- {
- // don't do anything if this item is already focused
- if ( item != m_current )
- {
- ChangeCurrent(item);
- if ( oldCurrent != (size_t)-1 )
- {
- if ( IsSingleSel() )
- {
- HighlightLine(oldCurrent, false);
- }
- RefreshLine(oldCurrent);
- }
- RefreshLine( m_current );
- }
- }
- else // unfocus
- {
- // don't do anything if this item is not focused
- if ( item == m_current )
- {
- ResetCurrent();
- if ( IsSingleSel() )
- {
- // we must unselect the old current item as well or we
- // might end up with more than one selected item in a
- // single selection control
- HighlightLine(oldCurrent, false);
- }
- RefreshLine( oldCurrent );
- }
- }
- }
- // do we need to change the selection state?
- if ( stateMask & wxLIST_STATE_SELECTED )
- {
- bool on = (state & wxLIST_STATE_SELECTED) != 0;
- if ( IsSingleSel() )
- {
- if ( on )
- {
- // selecting the item also makes it the focused one in the
- // single sel mode
- if ( m_current != item )
- {
- ChangeCurrent(item);
- if ( oldCurrent != (size_t)-1 )
- {
- HighlightLine( oldCurrent, false );
- RefreshLine( oldCurrent );
- }
- }
- }
- else // off
- {
- // only the current item may be selected anyhow
- if ( item != m_current )
- return;
- }
- }
- if ( HighlightLine(item, on) )
- {
- RefreshLine(item);
- }
- }
- }
- int wxListMainWindow::GetItemState( long item, long stateMask ) const
- {
- wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), 0,
- wxT("invalid list ctrl item index in GetItemState()") );
- int ret = wxLIST_STATE_DONTCARE;
- if ( stateMask & wxLIST_STATE_FOCUSED )
- {
- if ( (size_t)item == m_current )
- ret |= wxLIST_STATE_FOCUSED;
- }
- if ( stateMask & wxLIST_STATE_SELECTED )
- {
- if ( IsHighlighted(item) )
- ret |= wxLIST_STATE_SELECTED;
- }
- return ret;
- }
- void wxListMainWindow::GetItem( wxListItem &item ) const
- {
- wxCHECK_RET( item.m_itemId >= 0 && (size_t)item.m_itemId < GetItemCount(),
- wxT("invalid item index in GetItem") );
- wxListLineData *line = GetLine((size_t)item.m_itemId);
- line->GetItem( item.m_col, item );
- // Get item state if user wants it
- if ( item.m_mask & wxLIST_MASK_STATE )
- item.m_state = GetItemState( item.m_itemId, wxLIST_STATE_SELECTED |
- wxLIST_STATE_FOCUSED );
- }
- // ----------------------------------------------------------------------------
- // item count
- // ----------------------------------------------------------------------------
- size_t wxListMainWindow::GetItemCount() const
- {
- return IsVirtual() ? m_countVirt : m_lines.GetCount();
- }
- void wxListMainWindow::SetItemCount(long count)
- {
- // Update the current item if it's not valid any longer (notice that this
- // invalidates it completely if the control is becoming empty, which is the
- // right thing to do).
- if ( HasCurrent() && m_current >= (size_t)count )
- ChangeCurrent(count - 1);
- m_selStore.SetItemCount(count);
- m_countVirt = count;
- ResetVisibleLinesRange();
- // scrollbars must be reset
- m_dirty = true;
- }
- int wxListMainWindow::GetSelectedItemCount() const
- {
- // deal with the quick case first
- if ( IsSingleSel() )
- return HasCurrent() ? IsHighlighted(m_current) : false;
- // virtual controls remmebers all its selections itself
- if ( IsVirtual() )
- return m_selStore.GetSelectedCount();
- // TODO: we probably should maintain the number of items selected even for
- // non virtual controls as enumerating all lines is really slow...
- size_t countSel = 0;
- size_t count = GetItemCount();
- for ( size_t line = 0; line < count; line++ )
- {
- if ( GetLine(line)->IsHighlighted() )
- countSel++;
- }
- return countSel;
- }
- // ----------------------------------------------------------------------------
- // item position/size
- // ----------------------------------------------------------------------------
- wxRect wxListMainWindow::GetViewRect() const
- {
- wxASSERT_MSG( !HasFlag(wxLC_LIST), "not implemented for list view" );
- // we need to find the longest/tallest label
- wxCoord xMax = 0, yMax = 0;
- const int count = GetItemCount();
- if ( count )
- {
- for ( int i = 0; i < count; i++ )
- {
- // we need logical, not physical, coordinates here, so use
- // GetLineRect() instead of GetItemRect()
- wxRect r = GetLineRect(i);
- wxCoord x = r.GetRight(),
- y = r.GetBottom();
- if ( x > xMax )
- xMax = x;
- if ( y > yMax )
- yMax = y;
- }
- }
- // some fudge needed to make it look prettier
- xMax += 2 * EXTRA_BORDER_X;
- yMax += 2 * EXTRA_BORDER_Y;
- // account for the scrollbars if necessary
- const wxSize sizeAll = GetClientSize();
- if ( xMax > sizeAll.x )
- yMax += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
- if ( yMax > sizeAll.y )
- xMax += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
- return wxRect(0, 0, xMax, yMax);
- }
- bool
- wxListMainWindow::GetSubItemRect(long item, long subItem, wxRect& rect) const
- {
- wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM || InReportView(),
- false,
- wxT("GetSubItemRect only meaningful in report view") );
- wxCHECK_MSG( item >= 0 && (size_t)item < GetItemCount(), false,
- wxT("invalid item in GetSubItemRect") );
- // ensure that we're laid out, otherwise we could return nonsense
- if ( m_dirty )
- {
- wxConstCast(this, wxListMainWindow)->
- RecalculatePositions(true /* no refresh */);
- }
- rect = GetLineRect((size_t)item);
- // Adjust rect to specified column
- if ( subItem != wxLIST_GETSUBITEMRECT_WHOLEITEM )
- {
- wxCHECK_MSG( subItem >= 0 && subItem < GetColumnCount(), false,
- wxT("invalid subItem in GetSubItemRect") );
- for (int i = 0; i < subItem; i++)
- {
- rect.x += GetColumnWidth(i);
- }
- rect.width = GetColumnWidth(subItem);
- }
- GetListCtrl()->CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y);
- return true;
- }
- bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos) const
- {
- wxRect rect;
- GetItemRect(item, rect);
- pos.x = rect.x;
- pos.y = rect.y;
- return true;
- }
- // ----------------------------------------------------------------------------
- // geometry calculation
- // ----------------------------------------------------------------------------
- void wxListMainWindow::RecalculatePositions(bool noRefresh)
- {
- const int lineHeight = GetLineHeight();
- wxClientDC dc( this );
- dc.SetFont( GetFont() );
- const size_t count = GetItemCount();
- int iconSpacing;
- if ( HasFlag(wxLC_ICON) && m_normal_image_list )
- iconSpacing = m_normal_spacing;
- else if ( HasFlag(wxLC_SMALL_ICON) && m_small_image_list )
- iconSpacing = m_small_spacing;
- else
- iconSpacing = 0;
- // Note that we do not call GetClientSize() here but
- // GetSize() and subtract the border size for sunken
- // borders manually. This is technically incorrect,
- // but we need to know the client area's size WITHOUT
- // scrollbars here. Since we don't know if there are
- // any scrollbars, we use GetSize() instead. Another
- // solution would be to call SetScrollbars() here to
- // remove the scrollbars and call GetClientSize() then,
- // but this might result in flicker and - worse - will
- // reset the scrollbars to 0 which is not good at all
- // if you resize a dialog/window, but don't want to
- // reset the window scrolling. RR.
- // Furthermore, we actually do NOT subtract the border
- // width as 2 pixels is just the extra space which we
- // need around the actual content in the window. Other-
- // wise the text would e.g. touch the upper border. RR.
- int clientWidth,
- clientHeight;
- GetSize( &clientWidth, &clientHeight );
- if ( InReportView() )
- {
- // all lines have the same height and we scroll one line per step
- int entireHeight = count * lineHeight + LINE_SPACING;
- m_linesPerPage = clientHeight / lineHeight;
- ResetVisibleLinesRange();
- GetListCtrl()->SetScrollbars( SCROLL_UNIT_X, lineHeight,
- GetHeaderWidth() / SCROLL_UNIT_X,
- (entireHeight + lineHeight - 1) / lineHeight,
- GetListCtrl()->GetScrollPos(wxHORIZONTAL),
- GetListCtrl()->GetScrollPos(wxVERTICAL),
- true );
- }
- else // !report
- {
- // we have 3 different layout strategies: either layout all items
- // horizontally/vertically (wxLC_ALIGN_XXX styles explicitly given) or
- // to arrange them in top to bottom, left to right (don't ask me why
- // not the other way round...) order
- if ( HasFlag(wxLC_ALIGN_LEFT | wxLC_ALIGN_TOP) )
- {
- int x = EXTRA_BORDER_X;
- int y = EXTRA_BORDER_Y;
- wxCoord widthMax = 0;
- size_t i;
- for ( i = 0; i < count; i++ )
- {
- wxListLineData *line = GetLine(i);
- line->CalculateSize( &dc, iconSpacing );
- line->SetPosition( x, y, iconSpacing );
- wxSize sizeLine = GetLineSize(i);
- if ( HasFlag(wxLC_ALIGN_TOP) )
- {
- if ( sizeLine.x > widthMax )
- widthMax = sizeLine.x;
- y += sizeLine.y;
- }
- else // wxLC_ALIGN_LEFT
- {
- x += sizeLine.x + MARGIN_BETWEEN_ROWS;
- }
- }
- if ( HasFlag(wxLC_ALIGN_TOP) )
- {
- // traverse the items again and tweak their sizes so that they are
- // all the same in a row
- for ( i = 0; i < count; i++ )
- {
- wxListLineData *line = GetLine(i);
- line->m_gi->ExtendWidth(widthMax);
- }
- }
- GetListCtrl()->SetScrollbars
- (
- SCROLL_UNIT_X,
- lineHeight,
- (x + SCROLL_UNIT_X) / SCROLL_UNIT_X,
- (y + lineHeight) / lineHeight,
- GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
- GetListCtrl()->GetScrollPos( wxVERTICAL ),
- true
- );
- }
- else // "flowed" arrangement, the most complicated case
- {
- // at first we try without any scrollbars, if the items don't fit into
- // the window, we recalculate after subtracting the space taken by the
- // scrollbar
- int entireWidth = 0;
- for (int tries = 0; tries < 2; tries++)
- {
- entireWidth = 2 * EXTRA_BORDER_X;
- if (tries == 1)
- {
- // Now we have decided that the items do not fit into the
- // client area, so we need a scrollbar
- entireWidth += SCROLL_UNIT_X;
- }
- int x = EXTRA_BORDER_X;
- int y = EXTRA_BORDER_Y;
- // Note that "row" here is vertical, i.e. what is called
- // "column" in many other places in wxWidgets.
- int maxWidthInThisRow = 0;
- m_linesPerPage = 0;
- int currentlyVisibleLines = 0;
- for (size_t i = 0; i < count; i++)
- {
- currentlyVisibleLines++;
- wxListLineData *line = GetLine( i );
- line->CalculateSize( &dc, iconSpacing );
- line->SetPosition( x, y, iconSpacing );
- wxSize sizeLine = GetLineSize( i );
- if ( maxWidthInThisRow < sizeLine.x )
- maxWidthInThisRow = sizeLine.x;
- y += sizeLine.y;
- if (currentlyVisibleLines > m_linesPerPage)
- m_linesPerPage = currentlyVisibleLines;
- // Have we reached the end of the row either because no
- // more items would fit or because there are simply no more
- // items?
- if ( y + sizeLine.y >= clientHeight
- || i == count - 1)
- {
- // Adjust all items in this row to have the same
- // width to ensure that they all align horizontally in
- // icon view.
- if ( HasFlag(wxLC_ICON) || HasFlag(wxLC_SMALL_ICON) )
- {
- size_t firstRowLine = i - currentlyVisibleLines + 1;
- for (size_t j = firstRowLine; j <= i; j++)
- {
- GetLine(j)->m_gi->ExtendWidth(maxWidthInThisRow);
- }
- }
- currentlyVisibleLines = 0;
- y = EXTRA_BORDER_Y;
- maxWidthInThisRow += MARGIN_BETWEEN_ROWS;
- x += maxWidthInThisRow;
- entireWidth += maxWidthInThisRow;
- maxWidthInThisRow = 0;
- }
- if ( (tries == 0) &&
- (entireWidth + SCROLL_UNIT_X > clientWidth) )
- {
- clientHeight -= wxSystemSettings::
- GetMetric(wxSYS_HSCROLL_Y);
- m_linesPerPage = 0;
- break;
- }
- if ( i == count - 1 )
- tries = 1; // Everything fits, no second try required.
- }
- }
- GetListCtrl()->SetScrollbars
- (
- SCROLL_UNIT_X,
- lineHeight,
- (entireWidth + SCROLL_UNIT_X) / SCROLL_UNIT_X,
- 0,
- GetListCtrl()->GetScrollPos( wxHORIZONTAL ),
- 0,
- true
- );
- }
- }
- if ( !noRefresh )
- {
- // FIXME: why should we call it from here?
- UpdateCurrent();
- RefreshAll();
- }
- }
- void wxListMainWindow::RefreshAll()
- {
- m_dirty = false;
- Refresh();
- wxListHeaderWindow *headerWin = GetListCtrl()->m_headerWin;
- if ( headerWin && headerWin->m_dirty )
- {
- headerWin->m_dirty = false;
- headerWin->Refresh();
- }
- }
- void wxListMainWindow::UpdateCurrent()
- {
- if ( !HasCurrent() && !IsEmpty() )
- ChangeCurrent(0);
- }
- long wxListMainWindow::GetNextItem( long item,
- int WXUNUSED(geometry),
- int state ) const
- {
- long ret = item,
- max = GetItemCount();
- wxCHECK_MSG( (ret == -1) || (ret < max), -1,
- wxT("invalid listctrl index in GetNextItem()") );
- // notice that we start with the next item (or the first one if item == -1)
- // and this is intentional to allow writing a simple loop to iterate over
- // all selected items
- ret++;
- if ( ret == max )
- // this is not an error because the index was OK initially,
- // just no such item
- return -1;
- if ( !state )
- // any will do
- return (size_t)ret;
- size_t count = GetItemCount();
- for ( size_t line = (size_t)ret; line < count; line++ )
- {
- if ( (state & wxLIST_STATE_FOCUSED) && (line == m_current) )
- return line;
- if ( (state & wxLIST_STATE_SELECTED) && IsHighlighted(line) )
- return line;
- }
- return -1;
- }
- // ----------------------------------------------------------------------------
- // deleting stuff
- // ----------------------------------------------------------------------------
- void wxListMainWindow::DeleteItem( long lindex )
- {
- size_t count = GetItemCount();
- wxCHECK_RET( (lindex >= 0) && ((size_t)lindex < count),
- wxT("invalid item index in DeleteItem") );
- size_t index = (size_t)lindex;
- // we don't need to adjust the index for the previous items
- if ( HasCurrent() && m_current >= index )
- {
- // if the current item is being deleted, we want the next one to
- // become selected - unless there is no next one - so don't adjust
- // m_current in this case
- if ( m_current != index || m_current == count - 1 )
- m_current--;
- }
- if ( InReportView() )
- {
- // mark the Column Max Width cache as dirty if the items in the line
- // we're deleting contain the Max Column Width
- wxListLineData * const line = GetLine(index);
- wxListItemDataList::compatibility_iterator n;
- wxListItemData *itemData;
- wxListItem item;
- int itemWidth;
- for (size_t i = 0; i < m_columns.GetCount(); i++)
- {
- n = line->m_items.Item( i );
- itemData = n->GetData();
- itemData->GetItem(item);
- itemWidth = GetItemWidthWithImage(&item);
- if (itemWidth >= m_aColWidths.Item(i)->nMaxWidth)
- m_aColWidths.Item(i)->bNeedsUpdate = true;
- }
- ResetVisibleLinesRange();
- }
- SendNotify( index, wxEVT_LIST_DELETE_ITEM, wxDefaultPosition );
- if ( IsVirtual() )
- {
- m_countVirt--;
- m_selStore.OnItemDelete(index);
- }
- else
- {
- m_lines.RemoveAt( index );
- }
- // we need to refresh the (vert) scrollbar as the number of items changed
- m_dirty = true;
- RefreshAfter(index);
- }
- void wxListMainWindow::DeleteColumn( int col )
- {
- wxListHeaderDataList::compatibility_iterator node = m_columns.Item( col );
- wxCHECK_RET( node, wxT("invalid column index in DeleteColumn()") );
- m_dirty = true;
- delete node->GetData();
- m_columns.Erase( node );
- if ( !IsVirtual() )
- {
- // update all the items
- for ( size_t i = 0; i < m_lines.GetCount(); i++ )
- {
- wxListLineData * const line = GetLine(i);
- // In the following atypical but possible scenario it can be
- // legal to call DeleteColumn() but the items may not have any
- // values for it:
- // 1. In report view, insert a second column.
- // 2. Still in report view, add an item with 2 values.
- // 3. Switch to an icon (or list) view.
- // 4. Add an item -- necessarily with 1 value only.
- // 5. Switch back to report view.
- // 6. Call DeleteColumn().
- // So we need to check for this as otherwise we would simply crash
- // if this happens.
- if ( line->m_items.GetCount() <= static_cast<unsigned>(col) )
- continue;
- wxListItemDataList::compatibility_iterator n = line->m_items.Item( col );
- delete n->GetData();
- line->m_items.Erase(n);
- }
- }
- if ( InReportView() ) // we only cache max widths when in Report View
- {
- delete m_aColWidths.Item(col);
- m_aColWidths.RemoveAt(col);
- }
- // invalidate it as it has to be recalculated
- m_headerWidth = 0;
- }
- void wxListMainWindow::DoDeleteAllItems()
- {
- if ( IsEmpty() )
- // nothing to do - in particular, don't send the event
- return;
- ResetCurrent();
- // to make the deletion of all items faster, we don't send the
- // notifications for each item deletion in this case but only one event
- // for all of them: this is compatible with wxMSW and documented in
- // DeleteAllItems() description
- wxListEvent event( wxEVT_LIST_DELETE_ALL_ITEMS, GetParent()->GetId() );
- event.SetEventObject( GetParent() );
- GetParent()->GetEventHandler()->ProcessEvent( event );
- if ( IsVirtual() )
- {
- m_countVirt = 0;
- m_selStore.Clear();
- }
- if ( InReportView() )
- {
- ResetVisibleLinesRange();
- for (size_t i = 0; i < m_aColWidths.GetCount(); i++)
- {
- m_aColWidths.Item(i)->bNeedsUpdate = true;
- }
- }
- m_lines.Clear();
- }
- void wxListMainWindow::DeleteAllItems()
- {
- DoDeleteAllItems();
- RecalculatePositions();
- }
- void wxListMainWindow::DeleteEverything()
- {
- WX_CLEAR_LIST(wxListHeaderDataList, m_columns);
- WX_CLEAR_ARRAY(m_aColWidths);
- DeleteAllItems();
- }
- // ----------------------------------------------------------------------------
- // scanning for an item
- // ----------------------------------------------------------------------------
- void wxListMainWindow::EnsureVisible( long index )
- {
- wxCHECK_RET( index >= 0 && (size_t)index < GetItemCount(),
- wxT("invalid index in EnsureVisible") );
- // We have to call this here because the label in question might just have
- // been added and its position is not known yet
- if ( m_dirty )
- RecalculatePositions(true /* no refresh */);
- MoveToItem((size_t)index);
- }
- long wxListMainWindow::FindItem(long start, const wxString& str, bool partial )
- {
- if (str.empty())
- return wxNOT_FOUND;
- long pos = start;
- wxString str_upper = str.Upper();
- if (pos < 0)
- pos = 0;
- size_t count = GetItemCount();
- for ( size_t i = (size_t)pos; i < count; i++ )
- {
- wxListLineData *line = GetLine(i);
- wxString line_upper = line->GetText(0).Upper();
- if (!partial)
- {
- if (line_upper == str_upper )
- return i;
- }
- else
- {
- if (line_upper.find(str_upper) == 0)
- return i;
- }
- }
- return wxNOT_FOUND;
- }
- long wxListMainWindow::FindItem(long start, wxUIntPtr data)
- {
- long pos = start;
- if (pos < 0)
- pos = 0;
- size_t count = GetItemCount();
- for (size_t i = (size_t)pos; i < count; i++)
- {
- wxListLineData *line = GetLine(i);
- wxListItem item;
- line->GetItem( 0, item );
- if (item.m_data == data)
- return i;
- }
- return wxNOT_FOUND;
- }
- long wxListMainWindow::FindItem( const wxPoint& pt )
- {
- size_t topItem;
- GetVisibleLinesRange( &topItem, NULL );
- wxPoint p;
- GetItemPosition( GetItemCount() - 1, p );
- if ( p.y == 0 )
- return topItem;
- long id = (long)floor( pt.y * double(GetItemCount() - topItem - 1) / p.y + topItem );
- if ( id >= 0 && id < (long)GetItemCount() )
- return id;
- return wxNOT_FOUND;
- }
- long wxListMainWindow::HitTest( int x, int y, int &flags ) const
- {
- GetListCtrl()->CalcUnscrolledPosition( x, y, &x, &y );
- size_t count = GetItemCount();
- if ( InReportView() )
- {
- size_t current = y / GetLineHeight();
- if ( current < count )
- {
- flags = HitTestLine(current, x, y);
- if ( flags )
- return current;
- }
- }
- else // !report
- {
- // TODO: optimize it too! this is less simple than for report view but
- // enumerating all items is still not a way to do it!!
- for ( size_t current = 0; current < count; current++ )
- {
- flags = HitTestLine(current, x, y);
- if ( flags )
- return current;
- }
- }
- return wxNOT_FOUND;
- }
- // ----------------------------------------------------------------------------
- // adding stuff
- // ----------------------------------------------------------------------------
- void wxListMainWindow::InsertItem( wxListItem &item )
- {
- wxASSERT_MSG( !IsVirtual(), wxT("can't be used with virtual control") );
- int count = GetItemCount();
- wxCHECK_RET( item.m_itemId >= 0, wxT("invalid item index") );
- if (item.m_itemId > count)
- item.m_itemId = count;
- size_t id = item.m_itemId;
- m_dirty = true;
- if ( InReportView() )
- {
- ResetVisibleLinesRange();
- const unsigned col = item.GetColumn();
- wxCHECK_RET( col < m_aColWidths.size(), "invalid item column" );
- // calculate the width of the item and adjust the max column width
- wxColWidthInfo *pWidthInfo = m_aColWidths.Item(col);
- int width = GetItemWidthWithImage(&item);
- item.SetWidth(width);
- if (width > pWidthInfo->nMaxWidth)
- pWidthInfo->nMaxWidth = width;
- }
- wxListLineData *line = new wxListLineData(this);
- line->SetItem( item.m_col, item );
- if ( item.m_mask & wxLIST_MASK_IMAGE )
- {
- // Reset the buffered height if it's not big enough for the new image.
- int image = item.GetImage();
- if ( m_small_image_list && image != -1 && InReportView() )
- {
- int imageWidth, imageHeight;
- m_small_image_list->GetSize(image, imageWidth, imageHeight);
- if ( imageHeight > m_lineHeight )
- m_lineHeight = 0;
- }
- }
- m_lines.Insert( line, id );
- m_dirty = true;
- // If an item is selected at or below the point of insertion, we need to
- // increment the member variables because the current row's index has gone
- // up by one
- if ( HasCurrent() && m_current >= id )
- m_current++;
- SendNotify(id, wxEVT_LIST_INSERT_ITEM);
- RefreshLines(id, GetItemCount() - 1);
- }
- long wxListMainWindow::InsertColumn( long col, const wxListItem &item )
- {
- long idx = -1;
- m_dirty = true;
- if ( InReportView() )
- {
- wxListHeaderData *column = new wxListHeaderData( item );
- if (item.m_width == wxLIST_AUTOSIZE_USEHEADER)
- column->SetWidth(ComputeMinHeaderWidth(column));
- wxColWidthInfo *colWidthInfo = new wxColWidthInfo();
- bool insert = (col >= 0) && ((size_t)col < m_columns.GetCount());
- if ( insert )
- {
- wxListHeaderDataList::compatibility_iterator
- node = m_columns.Item( col );
- m_columns.Insert( node, column );
- m_aColWidths.Insert( colWidthInfo, col );
- idx = col;
- }
- else
- {
- idx = m_aColWidths.GetCount();
- m_columns.Append( column );
- m_aColWidths.Add( colWidthInfo );
- }
- if ( !IsVirtual() )
- {
- // update all the items
- for ( size_t i = 0; i < m_lines.GetCount(); i++ )
- {
- wxListLineData * const line = GetLine(i);
- wxListItemData * const data = new wxListItemData(this);
- if ( insert )
- line->m_items.Insert(col, data);
- else
- line->m_items.Append(data);
- }
- }
- // invalidate it as it has to be recalculated
- m_headerWidth = 0;
- }
- return idx;
- }
- int wxListMainWindow::GetItemWidthWithImage(wxListItem * item)
- {
- int width = 0;
- wxClientDC dc(this);
- dc.SetFont( GetFont() );
- if (item->GetImage() != -1)
- {
- int ix, iy;
- GetImageSize( item->GetImage(), ix, iy );
- width += ix + 5;
- }
- if (!item->GetText().empty())
- {
- wxCoord w;
- dc.GetTextExtent( item->GetText(), &w, NULL );
- width += w;
- }
- return width;
- }
- // ----------------------------------------------------------------------------
- // sorting
- // ----------------------------------------------------------------------------
- static wxListCtrlCompare list_ctrl_compare_func_2;
- static wxIntPtr list_ctrl_compare_data;
- int LINKAGEMODE list_ctrl_compare_func_1( wxListLineData **arg1, wxListLineData **arg2 )
- {
- wxListLineData *line1 = *arg1;
- wxListLineData *line2 = *arg2;
- wxListItem item;
- line1->GetItem( 0, item );
- wxUIntPtr data1 = item.m_data;
- line2->GetItem( 0, item );
- wxUIntPtr data2 = item.m_data;
- return list_ctrl_compare_func_2( data1, data2, list_ctrl_compare_data );
- }
- void wxListMainWindow::SortItems( wxListCtrlCompare fn, wxIntPtr data )
- {
- // selections won't make sense any more after sorting the items so reset
- // them
- HighlightAll(false);
- ResetCurrent();
- list_ctrl_compare_func_2 = fn;
- list_ctrl_compare_data = data;
- m_lines.Sort( list_ctrl_compare_func_1 );
- m_dirty = true;
- }
- // ----------------------------------------------------------------------------
- // scrolling
- // ----------------------------------------------------------------------------
- void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
- {
- // update our idea of which lines are shown when we redraw the window the
- // next time
- ResetVisibleLinesRange();
- if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
- {
- wxGenericListCtrl* lc = GetListCtrl();
- wxCHECK_RET( lc, wxT("no listctrl window?") );
- if (lc->m_headerWin) // when we use wxLC_NO_HEADER, m_headerWin==NULL
- {
- lc->m_headerWin->Refresh();
- lc->m_headerWin->Update();
- }
- }
- }
- int wxListMainWindow::GetCountPerPage() const
- {
- if ( !m_linesPerPage )
- {
- wxConstCast(this, wxListMainWindow)->
- m_linesPerPage = GetClientSize().y / GetLineHeight();
- }
- return m_linesPerPage;
- }
- void wxListMainWindow::GetVisibleLinesRange(size_t *from, size_t *to)
- {
- wxASSERT_MSG( InReportView(), wxT("this is for report mode only") );
- if ( m_lineFrom == (size_t)-1 )
- {
- size_t count = GetItemCount();
- if ( count )
- {
- m_lineFrom = GetListCtrl()->GetScrollPos(wxVERTICAL);
- // this may happen if SetScrollbars() hadn't been called yet
- if ( m_lineFrom >= count )
- m_lineFrom = count - 1;
- // we redraw one extra line but this is needed to make the redrawing
- // logic work when there is a fractional number of lines on screen
- m_lineTo = m_lineFrom + m_linesPerPage;
- if ( m_lineTo >= count )
- m_lineTo = count - 1;
- }
- else // empty control
- {
- m_lineFrom = 0;
- m_lineTo = (size_t)-1;
- }
- }
- wxASSERT_MSG( IsEmpty() ||
- (m_lineFrom <= m_lineTo && m_lineTo < GetItemCount()),
- wxT("GetVisibleLinesRange() returns incorrect result") );
- if ( from )
- *from = m_lineFrom;
- if ( to )
- *to = m_lineTo;
- }
- size_t
- wxListMainWindow::PrefixFindItem(size_t idParent,
- const wxString& prefixOrig) const
- {
- // if no items then just return
- if ( idParent == (size_t)-1 )
- return idParent;
- // match is case insensitive as this is more convenient to the user: having
- // to press Shift-letter to go to the item starting with a capital letter
- // would be too bothersome
- wxString prefix = prefixOrig.Lower();
- // determine the starting point: we shouldn't take the current item (this
- // allows to switch between two items starting with the same letter just by
- // pressing it) but we shouldn't jump to the next one if the user is
- // continuing to type as otherwise he might easily skip the item he wanted
- size_t itemid = idParent;
- if ( prefix.length() == 1 )
- {
- itemid += 1;
- }
- // look for the item starting with the given prefix after it
- while ( ( itemid < (size_t)GetItemCount() ) &&
- !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) )
- {
- itemid += 1;
- }
- // if we haven't found anything...
- if ( !( itemid < (size_t)GetItemCount() ) )
- {
- // ... wrap to the beginning
- itemid = 0;
- // and try all the items (stop when we get to the one we started from)
- while ( ( itemid < (size_t)GetItemCount() ) && itemid != idParent &&
- !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) )
- {
- itemid += 1;
- }
- // If we haven't found the item, id will be (size_t)-1, as per
- // documentation
- if ( !( itemid < (size_t)GetItemCount() ) ||
- ( ( itemid == idParent ) &&
- !GetLine(itemid)->GetText(0).Lower().StartsWith(prefix) ) )
- {
- itemid = (size_t)-1;
- }
- }
- return itemid;
- }
- // -------------------------------------------------------------------------------------
- // wxGenericListCtrl
- // -------------------------------------------------------------------------------------
- IMPLEMENT_DYNAMIC_CLASS(wxGenericListCtrl, wxControl)
- BEGIN_EVENT_TABLE(wxGenericListCtrl,wxListCtrlBase)
- EVT_SIZE(wxGenericListCtrl::OnSize)
- EVT_SCROLLWIN(wxGenericListCtrl::OnScroll)
- END_EVENT_TABLE()
- void wxGenericListCtrl::Init()
- {
- m_imageListNormal = NULL;
- m_imageListSmall = NULL;
- m_imageListState = NULL;
- m_ownsImageListNormal =
- m_ownsImageListSmall =
- m_ownsImageListState = false;
- m_mainWin = NULL;
- m_headerWin = NULL;
- }
- wxGenericListCtrl::~wxGenericListCtrl()
- {
- if (m_ownsImageListNormal)
- delete m_imageListNormal;
- if (m_ownsImageListSmall)
- delete m_imageListSmall;
- if (m_ownsImageListState)
- delete m_imageListState;
- }
- void wxGenericListCtrl::CreateOrDestroyHeaderWindowAsNeeded()
- {
- bool needs_header = HasHeader();
- bool has_header = (m_headerWin != NULL);
- if (needs_header == has_header)
- return;
- if (needs_header)
- {
- // Notice that we must initialize m_headerWin first, and create the
- // real window only later, so that the test in the beginning of the
- // function blocks repeated creation of the header as it could happen
- // before via wxNavigationEnabled::AddChild() -> ToggleWindowStyle() ->
- // SetWindowStyleFlag().
- m_headerWin = new wxListHeaderWindow();
- m_headerWin->Create
- (
- this, wxID_ANY, m_mainWin,
- wxPoint(0,0),
- wxSize
- (
- GetClientSize().x,
- wxRendererNative::Get().GetHeaderButtonHeight(this)
- ),
- wxTAB_TRAVERSAL
- );
-
- #if defined( __WXMAC__ )
- static wxFont font( wxOSX_SYSTEM_FONT_SMALL );
- m_headerWin->SetFont( font );
- #endif
- GetSizer()->Prepend( m_headerWin, 0, wxGROW );
- }
- else
- {
- GetSizer()->Detach( m_headerWin );
- wxDELETE(m_headerWin);
- }
- }
- bool wxGenericListCtrl::Create(wxWindow *parent,
- wxWindowID id,
- const wxPoint &pos,
- const wxSize &size,
- long style,
- const wxValidator &validator,
- const wxString &name)
- {
- Init();
- // just like in other ports, an assert will fail if the user doesn't give any type style:
- wxASSERT_MSG( (style & wxLC_MASK_TYPE),
- wxT("wxListCtrl style should have exactly one mode bit set") );
- if ( !wxListCtrlBase::Create( parent, id, pos, size,
- style | wxVSCROLL | wxHSCROLL,
- validator, name ) )
- return false;
- m_mainWin = new wxListMainWindow(this, wxID_ANY, wxPoint(0, 0), size);
- SetTargetWindow( m_mainWin );
- // We use the cursor keys for moving the selection, not scrolling, so call
- // this method to ensure wxScrollHelperEvtHandler doesn't catch all
- // keyboard events forwarded to us from wxListMainWindow.
- DisableKeyboardScrolling();
- wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
- sizer->Add( m_mainWin, 1, wxGROW );
- SetSizer( sizer );
- CreateOrDestroyHeaderWindowAsNeeded();
- SetInitialSize(size);
- return true;
- }
- wxBorder wxGenericListCtrl::GetDefaultBorder() const
- {
- return wxBORDER_THEME;
- }
- #if defined(__WXMSW__) && !defined(__WXWINCE__) && !defined(__WXUNIVERSAL__)
- WXLRESULT wxGenericListCtrl::MSWWindowProc(WXUINT nMsg,
- WXWPARAM wParam,
- WXLPARAM lParam)
- {
- WXLRESULT rc = wxListCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
- // we need to process arrows ourselves for scrolling
- if ( nMsg == WM_GETDLGCODE )
- {
- rc |= DLGC_WANTARROWS;
- }
- return rc;
- }
- #endif // __WXMSW__
- wxSize wxGenericListCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
- {
- wxSize newsize = size;
- if (m_headerWin)
- newsize.y -= m_headerWin->GetSize().y;
- return newsize;
- }
- void wxGenericListCtrl::OnScroll(wxScrollWinEvent& event)
- {
- // update our idea of which lines are shown when we redraw
- // the window the next time
- m_mainWin->ResetVisibleLinesRange();
- if ( event.GetOrientation() == wxHORIZONTAL && HasHeader() )
- {
- m_headerWin->Refresh();
- m_headerWin->Update();
- }
- // Let the window be scrolled as usual by the default handler.
- event.Skip();
- }
- void wxGenericListCtrl::SetSingleStyle( long style, bool add )
- {
- wxASSERT_MSG( !(style & wxLC_VIRTUAL),
- wxT("wxLC_VIRTUAL can't be [un]set") );
- long flag = GetWindowStyle();
- if (add)
- {
- if (style & wxLC_MASK_TYPE)
- flag &= ~(wxLC_MASK_TYPE | wxLC_VIRTUAL);
- if (style & wxLC_MASK_ALIGN)
- flag &= ~wxLC_MASK_ALIGN;
- if (style & wxLC_MASK_SORT)
- flag &= ~wxLC_MASK_SORT;
- }
- if (add)
- flag |= style;
- else
- flag &= ~style;
- // some styles can be set without recreating everything (as happens in
- // SetWindowStyleFlag() which calls wxListMainWindow::DeleteEverything())
- if ( !(style & ~(wxLC_HRULES | wxLC_VRULES)) )
- {
- Refresh();
- wxWindow::SetWindowStyleFlag(flag);
- }
- else
- {
- SetWindowStyleFlag( flag );
- }
- }
- void wxGenericListCtrl::SetWindowStyleFlag( long flag )
- {
- // we add wxHSCROLL and wxVSCROLL in ctor unconditionally and it never
- // makes sense to remove them as we'll always add scrollbars anyhow when
- // needed
- flag |= wxHSCROLL | wxVSCROLL;
- const bool wasInReportView = HasFlag(wxLC_REPORT);
- // update the window style first so that the header is created or destroyed
- // corresponding to the new style
- wxWindow::SetWindowStyleFlag( flag );
- if (m_mainWin)
- {
- const bool inReportView = (flag & wxLC_REPORT) != 0;
- if ( inReportView != wasInReportView )
- {
- // we need to notify the main window about this change as it must
- // update its data structures
- m_mainWin->SetReportView(inReportView);
- }
- // m_mainWin->DeleteEverything(); wxMSW doesn't do that
- CreateOrDestroyHeaderWindowAsNeeded();
- GetSizer()->Layout();
- }
- }
- bool wxGenericListCtrl::GetColumn(int col, wxListItem &item) const
- {
- m_mainWin->GetColumn( col, item );
- return true;
- }
- bool wxGenericListCtrl::SetColumn( int col, const wxListItem& item )
- {
- m_mainWin->SetColumn( col, item );
- return true;
- }
- int wxGenericListCtrl::GetColumnWidth( int col ) const
- {
- return m_mainWin->GetColumnWidth( col );
- }
- bool wxGenericListCtrl::SetColumnWidth( int col, int width )
- {
- m_mainWin->SetColumnWidth( col, width );
- return true;
- }
- int wxGenericListCtrl::GetCountPerPage() const
- {
- return m_mainWin->GetCountPerPage(); // different from Windows ?
- }
- bool wxGenericListCtrl::GetItem( wxListItem &info ) const
- {
- m_mainWin->GetItem( info );
- return true;
- }
- bool wxGenericListCtrl::SetItem( wxListItem &info )
- {
- m_mainWin->SetItem( info );
- return true;
- }
- long wxGenericListCtrl::SetItem( long index, int col, const wxString& label, int imageId )
- {
- wxListItem info;
- info.m_text = label;
- info.m_mask = wxLIST_MASK_TEXT;
- info.m_itemId = index;
- info.m_col = col;
- if ( imageId > -1 )
- {
- info.m_image = imageId;
- info.m_mask |= wxLIST_MASK_IMAGE;
- }
- m_mainWin->SetItem(info);
- return true;
- }
- int wxGenericListCtrl::GetItemState( long item, long stateMask ) const
- {
- return m_mainWin->GetItemState( item, stateMask );
- }
- bool wxGenericListCtrl::SetItemState( long item, long state, long stateMask )
- {
- m_mainWin->SetItemState( item, state, stateMask );
- return true;
- }
- bool
- wxGenericListCtrl::SetItemImage( long item, int image, int WXUNUSED(selImage) )
- {
- return SetItemColumnImage(item, 0, image);
- }
- bool
- wxGenericListCtrl::SetItemColumnImage( long item, long column, int image )
- {
- wxListItem info;
- info.m_image = image;
- info.m_mask = wxLIST_MASK_IMAGE;
- info.m_itemId = item;
- info.m_col = column;
- m_mainWin->SetItem( info );
- return true;
- }
- wxString wxGenericListCtrl::GetItemText( long item, int col ) const
- {
- return m_mainWin->GetItemText(item, col);
- }
- void wxGenericListCtrl::SetItemText( long item, const wxString& str )
- {
- m_mainWin->SetItemText(item, str);
- }
- wxUIntPtr wxGenericListCtrl::GetItemData( long item ) const
- {
- wxListItem info;
- info.m_mask = wxLIST_MASK_DATA;
- info.m_itemId = item;
- m_mainWin->GetItem( info );
- return info.m_data;
- }
- bool wxGenericListCtrl::SetItemPtrData( long item, wxUIntPtr data )
- {
- wxListItem info;
- info.m_mask = wxLIST_MASK_DATA;
- info.m_itemId = item;
- info.m_data = data;
- m_mainWin->SetItem( info );
- return true;
- }
- wxRect wxGenericListCtrl::GetViewRect() const
- {
- return m_mainWin->GetViewRect();
- }
- bool wxGenericListCtrl::GetItemRect(long item, wxRect& rect, int code) const
- {
- return GetSubItemRect(item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code);
- }
- bool wxGenericListCtrl::GetSubItemRect(long item,
- long subItem,
- wxRect& rect,
- int WXUNUSED(code)) const
- {
- if ( !m_mainWin->GetSubItemRect( item, subItem, rect ) )
- return false;
- if ( m_mainWin->HasHeader() )
- rect.y += m_headerWin->GetSize().y + 1;
- return true;
- }
- bool wxGenericListCtrl::GetItemPosition( long item, wxPoint& pos ) const
- {
- m_mainWin->GetItemPosition( item, pos );
- return true;
- }
- bool wxGenericListCtrl::SetItemPosition( long WXUNUSED(item), const wxPoint& WXUNUSED(pos) )
- {
- return false;
- }
- int wxGenericListCtrl::GetItemCount() const
- {
- return m_mainWin->GetItemCount();
- }
- int wxGenericListCtrl::GetColumnCount() const
- {
- return m_mainWin->GetColumnCount();
- }
- void wxGenericListCtrl::SetItemSpacing( int spacing, bool isSmall )
- {
- m_mainWin->SetItemSpacing( spacing, isSmall );
- }
- wxSize wxGenericListCtrl::GetItemSpacing() const
- {
- const int spacing = m_mainWin->GetItemSpacing(HasFlag(wxLC_SMALL_ICON));
- return wxSize(spacing, spacing);
- }
- #if WXWIN_COMPATIBILITY_2_6
- int wxGenericListCtrl::GetItemSpacing( bool isSmall ) const
- {
- return m_mainWin->GetItemSpacing( isSmall );
- }
- #endif // WXWIN_COMPATIBILITY_2_6
- void wxGenericListCtrl::SetItemTextColour( long item, const wxColour &col )
- {
- wxListItem info;
- info.m_itemId = item;
- info.SetTextColour( col );
- m_mainWin->SetItem( info );
- }
- wxColour wxGenericListCtrl::GetItemTextColour( long item ) const
- {
- wxListItem info;
- info.m_itemId = item;
- m_mainWin->GetItem( info );
- return info.GetTextColour();
- }
- void wxGenericListCtrl::SetItemBackgroundColour( long item, const wxColour &col )
- {
- wxListItem info;
- info.m_itemId = item;
- info.SetBackgroundColour( col );
- m_mainWin->SetItem( info );
- }
- wxColour wxGenericListCtrl::GetItemBackgroundColour( long item ) const
- {
- wxListItem info;
- info.m_itemId = item;
- m_mainWin->GetItem( info );
- return info.GetBackgroundColour();
- }
- void wxGenericListCtrl::SetItemFont( long item, const wxFont &f )
- {
- wxListItem info;
- info.m_itemId = item;
- info.SetFont( f );
- m_mainWin->SetItem( info );
- }
- wxFont wxGenericListCtrl::GetItemFont( long item ) const
- {
- wxListItem info;
- info.m_itemId = item;
- m_mainWin->GetItem( info );
- return info.GetFont();
- }
- int wxGenericListCtrl::GetSelectedItemCount() const
- {
- return m_mainWin->GetSelectedItemCount();
- }
- wxColour wxGenericListCtrl::GetTextColour() const
- {
- return GetForegroundColour();
- }
- void wxGenericListCtrl::SetTextColour(const wxColour& col)
- {
- SetForegroundColour(col);
- }
- long wxGenericListCtrl::GetTopItem() const
- {
- size_t top;
- m_mainWin->GetVisibleLinesRange(&top, NULL);
- return (long)top;
- }
- long wxGenericListCtrl::GetNextItem( long item, int geom, int state ) const
- {
- return m_mainWin->GetNextItem( item, geom, state );
- }
- wxImageList *wxGenericListCtrl::GetImageList(int which) const
- {
- if (which == wxIMAGE_LIST_NORMAL)
- return m_imageListNormal;
- else if (which == wxIMAGE_LIST_SMALL)
- return m_imageListSmall;
- else if (which == wxIMAGE_LIST_STATE)
- return m_imageListState;
- return NULL;
- }
- void wxGenericListCtrl::SetImageList( wxImageList *imageList, int which )
- {
- if ( which == wxIMAGE_LIST_NORMAL )
- {
- if (m_ownsImageListNormal)
- delete m_imageListNormal;
- m_imageListNormal = imageList;
- m_ownsImageListNormal = false;
- }
- else if ( which == wxIMAGE_LIST_SMALL )
- {
- if (m_ownsImageListSmall)
- delete m_imageListSmall;
- m_imageListSmall = imageList;
- m_ownsImageListSmall = false;
- }
- else if ( which == wxIMAGE_LIST_STATE )
- {
- if (m_ownsImageListState)
- delete m_imageListState;
- m_imageListState = imageList;
- m_ownsImageListState = false;
- }
- m_mainWin->SetImageList( imageList, which );
- }
- void wxGenericListCtrl::AssignImageList(wxImageList *imageList, int which)
- {
- SetImageList(imageList, which);
- if ( which == wxIMAGE_LIST_NORMAL )
- m_ownsImageListNormal = true;
- else if ( which == wxIMAGE_LIST_SMALL )
- m_ownsImageListSmall = true;
- else if ( which == wxIMAGE_LIST_STATE )
- m_ownsImageListState = true;
- }
- bool wxGenericListCtrl::Arrange( int WXUNUSED(flag) )
- {
- return 0;
- }
- bool wxGenericListCtrl::DeleteItem( long item )
- {
- m_mainWin->DeleteItem( item );
- return true;
- }
- bool wxGenericListCtrl::DeleteAllItems()
- {
- m_mainWin->DeleteAllItems();
- return true;
- }
- bool wxGenericListCtrl::DeleteAllColumns()
- {
- size_t count = m_mainWin->m_columns.GetCount();
- for ( size_t n = 0; n < count; n++ )
- DeleteColumn( 0 );
- return true;
- }
- void wxGenericListCtrl::ClearAll()
- {
- m_mainWin->DeleteEverything();
- }
- bool wxGenericListCtrl::DeleteColumn( int col )
- {
- m_mainWin->DeleteColumn( col );
- // if we don't have the header any longer, we need to relayout the window
- // if ( !GetColumnCount() )
- // Ensure that the non-existent columns are really removed from display.
- Refresh();
- return true;
- }
- wxTextCtrl *wxGenericListCtrl::EditLabel(long item,
- wxClassInfo* textControlClass)
- {
- return m_mainWin->EditLabel( item, textControlClass );
- }
- wxTextCtrl *wxGenericListCtrl::GetEditControl() const
- {
- return m_mainWin->GetEditControl();
- }
- bool wxGenericListCtrl::EnsureVisible( long item )
- {
- m_mainWin->EnsureVisible( item );
- return true;
- }
- long wxGenericListCtrl::FindItem( long start, const wxString& str, bool partial )
- {
- return m_mainWin->FindItem( start, str, partial );
- }
- long wxGenericListCtrl::FindItem( long start, wxUIntPtr data )
- {
- return m_mainWin->FindItem( start, data );
- }
- long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& pt,
- int WXUNUSED(direction))
- {
- return m_mainWin->FindItem( pt );
- }
- // TODO: sub item hit testing
- long wxGenericListCtrl::HitTest(const wxPoint& point, int& flags, long *) const
- {
- return m_mainWin->HitTest( (int)point.x, (int)point.y, flags );
- }
- long wxGenericListCtrl::InsertItem( wxListItem& info )
- {
- m_mainWin->InsertItem( info );
- return info.m_itemId;
- }
- long wxGenericListCtrl::InsertItem( long index, const wxString &label )
- {
- wxListItem info;
- info.m_text = label;
- info.m_mask = wxLIST_MASK_TEXT;
- info.m_itemId = index;
- return InsertItem( info );
- }
- long wxGenericListCtrl::InsertItem( long index, int imageIndex )
- {
- wxListItem info;
- info.m_mask = wxLIST_MASK_IMAGE;
- info.m_image = imageIndex;
- info.m_itemId = index;
- return InsertItem( info );
- }
- long wxGenericListCtrl::InsertItem( long index, const wxString &label, int imageIndex )
- {
- wxListItem info;
- info.m_text = label;
- info.m_image = imageIndex;
- info.m_mask = wxLIST_MASK_TEXT;
- if (imageIndex > -1)
- info.m_mask |= wxLIST_MASK_IMAGE;
- info.m_itemId = index;
- return InsertItem( info );
- }
- long wxGenericListCtrl::DoInsertColumn( long col, const wxListItem &item )
- {
- wxCHECK_MSG( InReportView(), -1, wxT("can't add column in non report mode") );
- long idx = m_mainWin->InsertColumn( col, item );
- // NOTE: if wxLC_NO_HEADER was given, then we are in report view mode but
- // still have m_headerWin==NULL
- if (m_headerWin)
- m_headerWin->Refresh();
- return idx;
- }
- bool wxGenericListCtrl::ScrollList( int dx, int dy )
- {
- return m_mainWin->ScrollList(dx, dy);
- }
- // Sort items.
- // fn is a function which takes 3 long arguments: item1, item2, data.
- // item1 is the long data associated with a first item (NOT the index).
- // item2 is the long data associated with a second item (NOT the index).
- // data is the same value as passed to SortItems.
- // The return value is a negative number if the first item should precede the second
- // item, a positive number of the second item should precede the first,
- // or zero if the two items are equivalent.
- // data is arbitrary data to be passed to the sort function.
- bool wxGenericListCtrl::SortItems( wxListCtrlCompare fn, wxIntPtr data )
- {
- m_mainWin->SortItems( fn, data );
- return true;
- }
- // ----------------------------------------------------------------------------
- // event handlers
- // ----------------------------------------------------------------------------
- void wxGenericListCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
- {
- if (!m_mainWin) return;
- // We need to override OnSize so that our scrolled
- // window a) does call Layout() to use sizers for
- // positioning the controls but b) does not query
- // the sizer for their size and use that for setting
- // the scrollable area as set that ourselves by
- // calling SetScrollbar() further down.
- Layout();
- m_mainWin->RecalculatePositions();
- AdjustScrollbars();
- }
- void wxGenericListCtrl::OnInternalIdle()
- {
- wxWindow::OnInternalIdle();
- if (m_mainWin->m_dirty)
- m_mainWin->RecalculatePositions();
- }
- // ----------------------------------------------------------------------------
- // font/colours
- // ----------------------------------------------------------------------------
- bool wxGenericListCtrl::SetBackgroundColour( const wxColour &colour )
- {
- if (m_mainWin)
- {
- m_mainWin->SetBackgroundColour( colour );
- m_mainWin->m_dirty = true;
- }
- return true;
- }
- bool wxGenericListCtrl::SetForegroundColour( const wxColour &colour )
- {
- if ( !wxWindow::SetForegroundColour( colour ) )
- return false;
- if (m_mainWin)
- {
- m_mainWin->SetForegroundColour( colour );
- m_mainWin->m_dirty = true;
- }
- return true;
- }
- bool wxGenericListCtrl::SetFont( const wxFont &font )
- {
- if ( !wxWindow::SetFont( font ) )
- return false;
- if (m_mainWin)
- {
- m_mainWin->SetFont( font );
- m_mainWin->m_dirty = true;
- }
- if (m_headerWin)
- {
- m_headerWin->SetFont( font );
- // CalculateAndSetHeaderHeight();
- }
- Refresh();
- return true;
- }
- // static
- wxVisualAttributes
- wxGenericListCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
- {
- #if _USE_VISATTR
- // Use the same color scheme as wxListBox
- return wxListBox::GetClassDefaultAttributes(variant);
- #else
- wxUnusedVar(variant);
- wxVisualAttributes attr;
- attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXTEXT);
- attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);
- attr.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
- return attr;
- #endif
- }
- // ----------------------------------------------------------------------------
- // methods forwarded to m_mainWin
- // ----------------------------------------------------------------------------
- #if wxUSE_DRAG_AND_DROP
- void wxGenericListCtrl::SetDropTarget( wxDropTarget *dropTarget )
- {
- m_mainWin->SetDropTarget( dropTarget );
- }
- wxDropTarget *wxGenericListCtrl::GetDropTarget() const
- {
- return m_mainWin->GetDropTarget();
- }
- #endif
- bool wxGenericListCtrl::SetCursor( const wxCursor &cursor )
- {
- return m_mainWin ? m_mainWin->wxWindow::SetCursor(cursor) : false;
- }
- wxColour wxGenericListCtrl::GetBackgroundColour() const
- {
- return m_mainWin ? m_mainWin->GetBackgroundColour() : wxColour();
- }
- wxColour wxGenericListCtrl::GetForegroundColour() const
- {
- return m_mainWin ? m_mainWin->GetForegroundColour() : wxColour();
- }
- bool wxGenericListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
- {
- #if wxUSE_MENUS
- return m_mainWin->PopupMenu( menu, x, y );
- #else
- return false;
- #endif
- }
- wxSize wxGenericListCtrl::DoGetBestClientSize() const
- {
- // The base class version can compute the best size in report view only.
- wxSize sizeBest = wxListCtrlBase::DoGetBestClientSize();
- if ( !InReportView() )
- {
- // Ensure that our minimal width is at least big enough to show all our
- // items. This is important for wxListbook to size itself correctly.
- // Remember the offset of the first item: this corresponds to the
- // margins around the item so we will add it to the minimal size below
- // to ensure that we have equal margins on all sides.
- wxPoint ofs;
- // We can iterate over all items as there shouldn't be too many of them
- // in non-report view. If it ever becomes a problem, we could examine
- // just the first few items probably, the determination of the best
- // size is less important if we will need scrollbars anyhow.
- for ( int n = 0; n < GetItemCount(); n++ )
- {
- const wxRect itemRect = m_mainWin->GetLineRect(n);
- if ( !n )
- {
- // Remember the position of the first item as all the rest are
- // offset by at least this number of pixels too.
- ofs = itemRect.GetPosition();
- }
- sizeBest.IncTo(itemRect.GetSize());
- }
- sizeBest.IncBy(2*ofs);
- // If we have the scrollbars we need to account for them too. And to
- // make sure the scrollbars status is up to date we need to call this
- // function to set them.
- m_mainWin->RecalculatePositions(true /* no refresh */);
- // Unfortunately we can't use wxWindow::HasScrollbar() here as we need
- // to use m_mainWin client/virtual size for determination of whether we
- // use scrollbars and not the size of this window itself. Maybe that
- // function should be extended to work correctly in the case when our
- // scrollbars manage a different window from this one but currently it
- // doesn't work.
- const wxSize sizeClient = m_mainWin->GetClientSize();
- const wxSize sizeVirt = m_mainWin->GetVirtualSize();
- if ( sizeVirt.x > sizeClient.x /* HasScrollbar(wxHORIZONTAL) */ )
- sizeBest.y += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
- if ( sizeVirt.y > sizeClient.y /* HasScrollbar(wxVERTICAL) */ )
- sizeBest.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
- }
- return sizeBest;
- }
- // ----------------------------------------------------------------------------
- // virtual list control support
- // ----------------------------------------------------------------------------
- wxString wxGenericListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
- {
- // this is a pure virtual function, in fact - which is not really pure
- // because the controls which are not virtual don't need to implement it
- wxFAIL_MSG( wxT("wxGenericListCtrl::OnGetItemText not supposed to be called") );
- return wxEmptyString;
- }
- int wxGenericListCtrl::OnGetItemImage(long WXUNUSED(item)) const
- {
- wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
- -1,
- wxT("List control has an image list, OnGetItemImage or OnGetItemColumnImage should be overridden."));
- return -1;
- }
- int wxGenericListCtrl::OnGetItemColumnImage(long item, long column) const
- {
- if (!column)
- return OnGetItemImage(item);
- return -1;
- }
- void wxGenericListCtrl::SetItemCount(long count)
- {
- wxASSERT_MSG( IsVirtual(), wxT("this is for virtual controls only") );
- m_mainWin->SetItemCount(count);
- }
- void wxGenericListCtrl::RefreshItem(long item)
- {
- m_mainWin->RefreshLine(item);
- }
- void wxGenericListCtrl::RefreshItems(long itemFrom, long itemTo)
- {
- m_mainWin->RefreshLines(itemFrom, itemTo);
- }
- void wxGenericListCtrl::EnableBellOnNoMatch( bool on )
- {
- m_mainWin->EnableBellOnNoMatch(on);
- }
- // Generic wxListCtrl is more or less a container for two other
- // windows which drawings are done upon. These are namely
- // 'm_headerWin' and 'm_mainWin'.
- // Here we override 'virtual wxWindow::Refresh()' to mimic the
- // behaviour wxListCtrl has under wxMSW.
- //
- void wxGenericListCtrl::Refresh(bool eraseBackground, const wxRect *rect)
- {
- if (!rect)
- {
- // The easy case, no rectangle specified.
- if (m_headerWin)
- m_headerWin->Refresh(eraseBackground);
- if (m_mainWin)
- m_mainWin->Refresh(eraseBackground);
- }
- else
- {
- // Refresh the header window
- if (m_headerWin)
- {
- wxRect rectHeader = m_headerWin->GetRect();
- rectHeader.Intersect(*rect);
- if (rectHeader.GetWidth() && rectHeader.GetHeight())
- {
- int x, y;
- m_headerWin->GetPosition(&x, &y);
- rectHeader.Offset(-x, -y);
- m_headerWin->Refresh(eraseBackground, &rectHeader);
- }
- }
- // Refresh the main window
- if (m_mainWin)
- {
- wxRect rectMain = m_mainWin->GetRect();
- rectMain.Intersect(*rect);
- if (rectMain.GetWidth() && rectMain.GetHeight())
- {
- int x, y;
- m_mainWin->GetPosition(&x, &y);
- rectMain.Offset(-x, -y);
- m_mainWin->Refresh(eraseBackground, &rectMain);
- }
- }
- }
- }
- void wxGenericListCtrl::Update()
- {
- if ( m_mainWin )
- {
- if ( m_mainWin->m_dirty )
- m_mainWin->RecalculatePositions();
- m_mainWin->Update();
- }
- if ( m_headerWin )
- m_headerWin->Update();
- }
- #endif // wxUSE_LISTCTRL