/jcl/examples/windows/delphitools/dependencyviewer/DependViewMain.pas

  1{**************************************************************************************************}
  2{                                                                                                  }
  3{ Project JEDI Code Library (JCL) - Delphi Tools                                                   }
  4{                                                                                                  }
  5{ The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); }
  6{ you may not use this file except in compliance with the License. You may obtain a copy of the    }
  7{ License at http://www.mozilla.org/MPL/                                                           }
  8{                                                                                                  }
  9{ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF   }
 10{ ANY KIND, either express or implied. See the License for the specific language governing rights  }
 11{ and limitations under the License.                                                               }
 12{                                                                                                  }
 13{ The Original Code is DependView.pas.                                                             }
 14{                                                                                                  }
 15{ The Initial Developer of the Original Code is Petr Vones. Portions created by Petr Vones are     }
 16{ Copyright (C) of Petr Vones. All Rights Reserved.                                                }
 17{                                                                                                  }
 18{ Contributor(s):                                                                                  }
 19{                                                                                                  }
 20{**************************************************************************************************}
 21{                                                                                                  }
 22{ Last modified: $Date$                                                      }
 23{                                                                                                  }
 24{**************************************************************************************************}
 25
 26unit DependViewMain;
 27
 28{$I JCL.INC}
 29
 30interface
 31
 32uses
 33  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
 34  Menus, ToolWin, ComCtrls, ImgList, ActnList, StdActns, ClipBrd, Registry,
 35  ShellAPI;
 36
 37const
 38  UM_CHECKPARAMSTR = WM_USER + $100;
 39  
 40type
 41  TMainForm = class(TForm)
 42    MainMenu: TMainMenu;
 43    CoolBar1: TCoolBar;
 44    ToolBar1: TToolBar;
 45    ToolButton1: TToolButton;
 46    ActionList1: TActionList;
 47    ToolbarImagesList: TImageList;
 48    OpenFileDialog: TOpenDialog;
 49    File1: TMenuItem;
 50    Exit1: TAction;
 51    Exit2: TMenuItem;
 52    Open1: TAction;
 53    Open2: TMenuItem;
 54    N1: TMenuItem;
 55    Window1: TMenuItem;
 56    WindowCascade1: TWindowCascade;
 57    WindowTileHorizontal1: TWindowTileHorizontal;
 58    WindowTileVertical1: TWindowTileVertical;
 59    Cascade1: TMenuItem;
 60    TileHorizontally1: TMenuItem;
 61    TileVertically1: TMenuItem;
 62    ToolButton3: TToolButton;
 63    ToolButton4: TToolButton;
 64    ToolButton5: TToolButton;
 65    ViewImageList: TImageList;
 66    ToolButton7: TToolButton;
 67    Copy1: TAction;
 68    Save1: TAction;
 69    Edit1: TMenuItem;
 70    Copy2: TMenuItem;
 71    Save2: TMenuItem;
 72    ToolButton8: TToolButton;
 73    ToolButton9: TToolButton;
 74    ToolButton10: TToolButton;
 75    SelectAll1: TAction;
 76    Selectall2: TMenuItem;
 77    SaveDialog: TSaveDialog;
 78    Win32Help1: TAction;
 79    ToolButton11: TToolButton;
 80    ToolButton12: TToolButton;
 81    Help1: TMenuItem;
 82    Win32helpkeyword1: TMenuItem;
 83    N2: TMenuItem;
 84    About1: TAction;
 85    About2: TMenuItem;
 86    StatusBar: TStatusBar;
 87    DumpPe1: TAction;
 88    ToolButton2: TToolButton;
 89    N3: TMenuItem;
 90    DumpPEfile1: TMenuItem;
 91    SendMail1: TAction;
 92    Sendamessage1: TMenuItem;
 93    Find1: TAction;
 94    ToolButton6: TToolButton;
 95    N4: TMenuItem;
 96    Findtext1: TMenuItem;
 97    procedure Exit1Execute(Sender: TObject);
 98    procedure Open1Execute(Sender: TObject);
 99    procedure FormCreate(Sender: TObject);
100    procedure FormDestroy(Sender: TObject);
101    procedure SelectAll1Update(Sender: TObject);
102    procedure SelectAll1Execute(Sender: TObject);
103    procedure Copy1Update(Sender: TObject);
104    procedure Copy1Execute(Sender: TObject);
105    procedure Win32Help1Update(Sender: TObject);
106    procedure Win32Help1Execute(Sender: TObject);
107    procedure About1Execute(Sender: TObject);
108    procedure DumpPe1Update(Sender: TObject);
109    procedure DumpPe1Execute(Sender: TObject);
110    procedure SendMail1Execute(Sender: TObject);
111    procedure Find1Update(Sender: TObject);
112    procedure Find1Execute(Sender: TObject);
113    procedure CoolBar1Resize(Sender: TObject);
114    procedure FormShow(Sender: TObject);
115  private
116    FPeViewer: Variant;
117    FPeViewerRegistred: Boolean;
118    FWin32Help: string;
119    procedure InvokeWin32Help(const Name: string);
120    function IsFileViewerChildActive: Boolean;
121    function IsWin32Help: Boolean;
122    procedure OnActiveFormChange(Sender: TObject);
123    procedure UMCheckParamStr(var Message: TMessage); message UM_CHECKPARAMSTR;
124    procedure WMDropFiles(var Message: TWMDropFiles); message WM_DROPFILES;
125  public
126    procedure OpenFile(const FileName: TFileName; CheckIfOpen: Boolean);
127  end;
128
129var
130  MainForm: TMainForm;
131
132implementation
133
134uses ToolsUtils, FileViewer, JclPeImage, JclRegistry, FindDlg, JclFileUtils;
135
136{$R *.DFM}
137
138resourcestring
139  sNotValidFile = 'This is not a valid PE EXE file';
140
141procedure TMainForm.InvokeWin32Help(const Name: string);
142var
143  S: string;
144begin
145  S := PeStripFunctionAW(Name);
146  WinHelp(Application.Handle, PChar(FWin32Help), HELP_KEY, {$IFDEF RTL230_UP}NativeUInt(S){$ELSE}DWORD(S){$ENDIF});
147end;
148
149procedure TMainForm.OpenFile(const FileName: TFileName; CheckIfOpen: Boolean);
150var
151  I: Integer;
152begin
153  if CheckIfOpen then
154  begin
155    for I := 0 to MDIChildCount - 1 do
156      if MDIChildren[I] is TFileViewerChild and (TFileViewerChild(MDIChildren[I]).FileName = FileName) then
157      begin
158        MDIChildren[I].BringToFront;
159        Exit;
160      end;
161  end;
162  Screen.Cursor := crHourGlass;
163  try
164{    if IsPeExe(FileName) then
165    begin}
166      TFileViewerChild.Create(Self).FileName := FileName;
167      OnActiveFormChange(nil);
168{    end else
169      MessBox(sNotValidFile, MB_ICONINFORMATION);}
170  finally
171    Screen.Cursor := crDefault;
172  end;
173end;
174
175procedure TMainForm.Exit1Execute(Sender: TObject);
176begin
177  Close;
178end;
179
180procedure TMainForm.Open1Execute(Sender: TObject);
181var
182  I: Integer;
183begin
184  with OpenFileDialog do
185  begin
186    FileName := '';
187    if Execute then
188      for I := 0 to Files.Count - 1 do OpenFile(Files[I], True);
189  end;
190end;
191
192procedure TMainForm.FormCreate(Sender: TObject);
193begin
194  FWin32Help := Win32HelpFileName;
195  FPeViewerRegistred := IsPeViewerRegistred;
196  Screen.OnActiveFormChange := OnActiveFormChange;
197  DragAcceptFiles(Handle, True);
198end;
199
200procedure TMainForm.FormDestroy(Sender: TObject);
201begin
202  DragAcceptFiles(Handle, False);
203  Screen.OnActiveFormChange := nil;
204end;
205
206procedure TMainForm.OnActiveFormChange(Sender: TObject);
207begin
208  if IsFileViewerChildActive then
209    StatusBar.Panels[0].Text := TFileViewerChild(ActiveMDIChild).FileName
210  else
211    StatusBar.Panels[0].Text := '';
212end;
213
214procedure TMainForm.SelectAll1Update(Sender: TObject);
215begin
216  TAction(Sender).Enabled := Screen.ActiveControl is TListView;
217end;
218
219procedure TMainForm.SelectAll1Execute(Sender: TObject);
220begin
221  ListViewSelectAll(Screen.ActiveControl as TListView);
222end;
223
224procedure TMainForm.Copy1Update(Sender: TObject);
225begin
226  TAction(Sender).Enabled := Screen.ActiveControl is TListView;
227end;
228
229procedure TMainForm.Copy1Execute(Sender: TObject);
230var
231  SL: TStringList;
232begin
233  SL := TStringList.Create;
234  Screen.Cursor := crHourGlass;
235  try
236    SL.Capacity := 256;
237    ListViewToStrings(Screen.ActiveControl as TListView, SL, True);
238    case TAction(Sender).Tag of
239      0: Clipboard.AsText := SL.Text;
240      1: with SaveDialog do
241         begin
242           FileName := '';
243           if Execute then SL.SaveToFile(FileName);
244         end;
245    end;        
246  finally
247    Screen.Cursor := crDefault;
248    SL.Free;
249  end;
250end;
251
252procedure TMainForm.Win32Help1Update(Sender: TObject);
253begin
254  Win32Help1.Enabled := IsWin32Help and IsFileViewerChildActive and
255    (TFileViewerChild(ActiveMDIChild).GetWin32Function <> '');
256end;
257
258procedure TMainForm.Win32Help1Execute(Sender: TObject);
259begin
260  InvokeWin32Help((ActiveMDIChild as TFileViewerChild).GetWin32Function);
261end;
262
263procedure TMainForm.About1Execute(Sender: TObject);
264begin
265  ShowToolsAboutBox;
266end;
267
268function TMainForm.IsFileViewerChildActive: Boolean;
269begin
270  Result := (ActiveMDIChild is TFileViewerChild);
271end;
272
273function TMainForm.IsWin32Help: Boolean;
274begin
275  Result := Length(FWin32Help) > 0;
276end;
277
278procedure TMainForm.DumpPe1Update(Sender: TObject);
279begin
280  DumpPe1.Enabled := FPeViewerRegistred and IsFileViewerChildActive and
281    (TFileViewerChild(ActiveMDIChild).SelectedFileName <> '');
282end;
283
284procedure TMainForm.DumpPe1Execute(Sender: TObject);
285begin
286  FPeViewer := CreateOrGetOleObject(PeViewerClassName);
287  FPeViewer.OpenFile((ActiveMDIChild as TFileViewerChild).SelectedFileName);
288  FPeViewer.BringToFront;
289end;
290
291procedure TMainForm.SendMail1Execute(Sender: TObject);
292begin
293  SendEmail;
294end;
295
296procedure TMainForm.Find1Update(Sender: TObject);
297begin
298  TAction(Sender).Enabled := TFindTextForm.CanExecuteFind;
299end;
300
301procedure TMainForm.Find1Execute(Sender: TObject);
302begin
303  ShowFindDialog(Screen.ActiveControl as TListView);
304end;
305
306procedure TMainForm.CoolBar1Resize(Sender: TObject);
307begin
308  D4FixCoolBarResizePaint(Sender);
309end;
310
311procedure TMainForm.FormShow(Sender: TObject);
312begin
313  PostMessage(Handle, UM_CHECKPARAMSTR, 0, 0);
314end;
315
316procedure TMainForm.UMCheckParamStr(var Message: TMessage);
317var
318  I: Integer;
319  FileName: TFileName;
320begin
321  for I := 1 to ParamCount do
322  begin
323    FileName := PathGetLongName(ParamStr(I));
324    if (FileName <> '') and (FileName[1] <> '-') and (FileName[1] <> '/') then
325      OpenFile(FileName, False);
326  end;
327end;
328
329procedure TMainForm.WMDropFiles(var Message: TWMDropFiles);
330var
331  FilesCount, I: Integer;
332  FileName: array[0..MAX_PATH] of Char;
333begin
334  FilesCount := DragQueryFile(Message.Drop, MAXDWORD, nil, 0);
335  for I := 0 to FilesCount - 1 do
336  begin
337    if (DragQueryFile(Message.Drop, I, @FileName, SizeOf(FileName)) > 0) and
338      IsValidPeFile(FileName) then
339        OpenFile(FileName, True);
340  end;
341  DragFinish(Message.Drop);
342  Message.Result := 0;
343  Application.BringToFront;
344end;
345
346end.