C++ GHOST_SystemWin32::processNDOF方法代码示例

LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	GHOST_Event *event = 0;
	bool eventHandled = false;

	LRESULT lResult = 0;
	GHOST_SystemWin32 *system = ((GHOST_SystemWin32 *)getSystem());
	GHOST_ASSERT(system, "GHOST_SystemWin32::s_wndProc(): system not initialized");

	if (hwnd) {
		GHOST_WindowWin32 *window = (GHOST_WindowWin32 *)::GetWindowLongPtr(hwnd, GWL_USERDATA);
		if (window) {
			switch (msg) {
				// we need to check if new key layout has AltGr
				case WM_INPUTLANGCHANGE:
					system->handleKeyboardChange();
					break;
				////////////////////////////////////////////////////////////////////////
				// Keyboard events, processed
				////////////////////////////////////////////////////////////////////////
				case WM_INPUT:
				{
					// check WM_INPUT from input sink when ghost window is not in the foreground
					if (wParam == RIM_INPUTSINK) {
						if (GetFocus() != hwnd) // WM_INPUT message not for this window
							return 0;
					} //else wParam == RIM_INPUT

					RAWINPUT raw;
					RAWINPUT *raw_ptr = &raw;
					UINT rawSize = sizeof(RAWINPUT);

					GetRawInputData((HRAWINPUT)lParam, RID_INPUT, raw_ptr, &rawSize, sizeof(RAWINPUTHEADER));

					switch (raw.header.dwType)
					{
						case RIM_TYPEKEYBOARD:
							event = processKeyEvent(window, raw);
							if (!event) {
								GHOST_PRINT("GHOST_SystemWin32::wndProc: key event ");
								GHOST_PRINT(msg);
								GHOST_PRINT(" key ignored\n");
							}
							break;
#ifdef WITH_INPUT_NDOF
						case RIM_TYPEHID:
							if (system->processNDOF(raw))
								eventHandled = true;
							break;
#endif
					}
					break;
				}
				////////////////////////////////////////////////////////////////////////
				// Keyboard events, ignored
				////////////////////////////////////////////////////////////////////////
				case WM_KEYDOWN:
				case WM_SYSKEYDOWN:
				case WM_KEYUP:
				case WM_SYSKEYUP:
				/* These functions were replaced by WM_INPUT*/
				case WM_CHAR:
				/* The WM_CHAR message is posted to the window with the keyboard focus when
				 * a WM_KEYDOWN message is translated by the TranslateMessage function. WM_CHAR
				 * contains the character code of the key that was pressed.
				 */
				case WM_DEADCHAR:
					/* The WM_DEADCHAR message is posted to the window with the keyboard focus when a
					 * WM_KEYUP message is translated by the TranslateMessage function. WM_DEADCHAR 
					 * specifies a character code generated by a dead key. A dead key is a key that 
					 * generates a character, such as the umlaut (double-dot), that is combined with 
					 * another character to form a composite character. For example, the umlaut-O 
					 * character (Ö) is generated by typing the dead key for the umlaut character, and
					 * then typing the O key.
					 */
					break;
				case WM_SYSDEADCHAR:
				/* The WM_SYSDEADCHAR message is sent to the window with the keyboard focus when
				 * a WM_SYSKEYDOWN message is translated by the TranslateMessage function.
				 * WM_SYSDEADCHAR specifies the character code of a system dead key - that is,
				 * a dead key that is pressed while holding down the alt key.
				 */
				case WM_SYSCHAR:
					/* The WM_SYSCHAR message is sent to the window with the keyboard focus when 
					 * a WM_SYSCHAR message is translated by the TranslateMessage function. 
					 * WM_SYSCHAR specifies the character code of a dead key - that is, 
					 * a dead key that is pressed while holding down the alt key.
					 * To prevent the sound, DefWindowProc must be avoided by return
					 */
					break;
				case WM_SYSCOMMAND:
					/* The WM_SYSCHAR message is sent to the window when system commands such as 
					 * maximize, minimize  or close the window are triggered. Also it is sent when ALT 
					 * button is press for menu. To prevent this we must return preventing DefWindowProc.
					 */
					if (wParam == SC_KEYMENU) 
					{
						eventHandled = true;
					}// else
						/* XXX Disable for now due to area resizing issue. bug# 34990 */
//.........这里部分代码省略.........