/Source/Core/InputCommon/ControllerInterface/Xlib/Xlib.cpp
C++ | 162 lines | 123 code | 31 blank | 8 comment | 16 complexity | f81570afd453928af35f2a757cd5326d MD5 | raw file
Possible License(s): GPL-2.0
- #include <X11/XKBlib.h>
- #include "InputCommon/ControllerInterface/Xlib/Xlib.h"
- namespace ciface
- {
- namespace Xlib
- {
- void Init(std::vector<Core::Device*>& devices, void* const hwnd)
- {
- devices.push_back(new KeyboardMouse((Window)hwnd));
- }
- KeyboardMouse::KeyboardMouse(Window window) : m_window(window)
- {
- memset(&m_state, 0, sizeof(m_state));
- m_display = XOpenDisplay(nullptr);
- int min_keycode, max_keycode;
- XDisplayKeycodes(m_display, &min_keycode, &max_keycode);
- // Keyboard Keys
- for (int i = min_keycode; i <= max_keycode; ++i)
- {
- Key *temp_key = new Key(m_display, i, m_state.keyboard);
- if (temp_key->m_keyname.length())
- AddInput(temp_key);
- else
- delete temp_key;
- }
- // Mouse Buttons
- AddInput(new Button(Button1Mask, m_state.buttons));
- AddInput(new Button(Button2Mask, m_state.buttons));
- AddInput(new Button(Button3Mask, m_state.buttons));
- AddInput(new Button(Button4Mask, m_state.buttons));
- AddInput(new Button(Button5Mask, m_state.buttons));
- // Mouse Cursor, X-/+ and Y-/+
- for (int i = 0; i != 4; ++i)
- AddInput(new Cursor(!!(i & 2), !!(i & 1), (&m_state.cursor.x)[!!(i & 2)]));
- }
- KeyboardMouse::~KeyboardMouse()
- {
- XCloseDisplay(m_display);
- }
- bool KeyboardMouse::UpdateInput()
- {
- XQueryKeymap(m_display, m_state.keyboard);
- int root_x, root_y, win_x, win_y;
- Window root, child;
- XQueryPointer(m_display, m_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &m_state.buttons);
- // update mouse cursor
- XWindowAttributes win_attribs;
- XGetWindowAttributes(m_display, m_window, &win_attribs);
- // the mouse position as a range from -1 to 1
- m_state.cursor.x = (float)win_x / (float)win_attribs.width * 2 - 1;
- m_state.cursor.y = (float)win_y / (float)win_attribs.height * 2 - 1;
- return true;
- }
- bool KeyboardMouse::UpdateOutput()
- {
- return true;
- }
- std::string KeyboardMouse::GetName() const
- {
- return "Keyboard Mouse";
- }
- std::string KeyboardMouse::GetSource() const
- {
- return "Xlib";
- }
- int KeyboardMouse::GetId() const
- {
- return 0;
- }
- KeyboardMouse::Key::Key(Display* const display, KeyCode keycode, const char* keyboard)
- : m_display(display), m_keyboard(keyboard), m_keycode(keycode)
- {
- int i = 0;
- KeySym keysym = 0;
- do
- {
- keysym = XkbKeycodeToKeysym(m_display, keycode, i, 0);
- i++;
- }
- while (keysym == NoSymbol && i < 8);
- // Convert to upper case for the keyname
- if (keysym >= 97 && keysym <= 122)
- keysym -= 32;
- // 0x0110ffff is the top of the unicode character range according
- // to keysymdef.h although it is probably more than we need.
- if (keysym == NoSymbol || keysym > 0x0110ffff ||
- XKeysymToString(keysym) == nullptr)
- m_keyname = std::string();
- else
- m_keyname = std::string(XKeysymToString(keysym));
- }
- ControlState KeyboardMouse::Key::GetState() const
- {
- return (m_keyboard[m_keycode / 8] & (1 << (m_keycode % 8))) != 0;
- }
- ControlState KeyboardMouse::Button::GetState() const
- {
- return ((m_buttons & m_index) != 0);
- }
- ControlState KeyboardMouse::Cursor::GetState() const
- {
- return std::max(0.0f, m_cursor / (m_positive ? 1.0f : -1.0f));
- }
- std::string KeyboardMouse::Key::GetName() const
- {
- return m_keyname;
- }
- std::string KeyboardMouse::Cursor::GetName() const
- {
- static char tmpstr[] = "Cursor ..";
- tmpstr[7] = (char)('X' + m_index);
- tmpstr[8] = (m_positive ? '+' : '-');
- return tmpstr;
- }
- std::string KeyboardMouse::Button::GetName() const
- {
- char button = '0';
- switch (m_index)
- {
- case Button1Mask: button = '1'; break;
- case Button2Mask: button = '2'; break;
- case Button3Mask: button = '3'; break;
- case Button4Mask: button = '4'; break;
- case Button5Mask: button = '5'; break;
- }
- static char tmpstr[] = "Click .";
- tmpstr[6] = button;
- return tmpstr;
- }
- }
- }