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

GHOST_TSuccess GHOST_SystemWin32::pushDragDropEvent(GHOST_TEventType eventType, 
		GHOST_TDragnDropTypes draggedObjectType,
		GHOST_IWindow *window,
		int mouseX, int mouseY,
		void *data)
{
	GHOST_SystemWin32 *system = ((GHOST_SystemWin32 *)getSystem());
	return system->pushEvent(new GHOST_EventDragnDrop(system->getMilliSeconds(),
	                                                  eventType,
	                                                  draggedObjectType,
	                                                  window, mouseX, mouseY, data)
	                         );
}

//.........这里部分代码省略.........
				 */
				case WM_NCPAINT:
				/* An application sends the WM_NCPAINT message to a window when its frame must be painted. */
				case WM_NCACTIVATE:
				/* The WM_NCACTIVATE message is sent to a window when its nonclient area needs to be changed
				 * to indicate an active or inactive state.
				 */
				case WM_DESTROY:
				/* The WM_DESTROY message is sent when a window is being destroyed. It is sent to the window
				 * procedure of the window being destroyed after the window is removed from the screen.
				 * This message is sent first to the window being destroyed and then to the child windows
				 * (if any) as they are destroyed. During the processing of the message, it can be assumed
				 * that all child windows still exist.
				 */
				case WM_NCDESTROY:
					/* The WM_NCDESTROY message informs a window that its nonclient area is being destroyed. The 
					 * DestroyWindow function sends the WM_NCDESTROY message to the window following the WM_DESTROY
					 * message. WM_DESTROY is used to free the allocated memory object associated with the window. 
					 */
					break;
				case WM_KILLFOCUS:
					/* The WM_KILLFOCUS message is sent to a window immediately before it loses the keyboard focus. 
					 * We want to prevent this if a window is still active and it loses focus to nowhere*/
					if (!wParam && hwnd == GetActiveWindow())
						SetFocus(hwnd);
				case WM_SHOWWINDOW:
				/* The WM_SHOWWINDOW message is sent to a window when the window is about to be hidden or shown. */
				case WM_WINDOWPOSCHANGING:
				/* The WM_WINDOWPOSCHANGING message is sent to a window whose size, position, or place in
				 * the Z order is about to change as a result of a call to the SetWindowPos function or
				 * another window-management function.
				 */
				case WM_SETFOCUS:
				/* The WM_SETFOCUS message is sent to a window after it has gained the keyboard focus. */
				case WM_ENTERSIZEMOVE:
					/* The WM_ENTERSIZEMOVE message is sent one time to a window after it enters the moving 
					 * or sizing modal loop. The window enters the moving or sizing modal loop when the user 
					 * clicks the window's title bar or sizing border, or when the window passes the 
					 * WM_SYSCOMMAND message to the DefWindowProc function and the wParam parameter of the 
					 * message specifies the SC_MOVE or SC_SIZE value. The operation is complete when 
					 * DefWindowProc returns. 
					 */
					break;
				////////////////////////////////////////////////////////////////////////
				// Other events
				////////////////////////////////////////////////////////////////////////
				case WM_GETTEXT:
				/* An application sends a WM_GETTEXT message to copy the text that
				 * corresponds to a window into a buffer provided by the caller.
				 */
				case WM_ACTIVATEAPP:
				/* The WM_ACTIVATEAPP message is sent when a window belonging to a
				 * different application than the active window is about to be activated.
				 * The message is sent to the application whose window is being activated
				 * and to the application whose window is being deactivated.
				 */
				case WM_TIMER:
					/* The WIN32 docs say:
					 * The WM_TIMER message is posted to the installing thread's message queue
					 * when a timer expires. You can process the message by providing a WM_TIMER
					 * case in the window procedure. Otherwise, the default window procedure will
					 * call the TimerProc callback function specified in the call to the SetTimer
					 * function used to install the timer. 
					 *
					 * In GHOST, we let DefWindowProc call the timer callback.
					 */
					break;
				case WM_CANCELMODE:
					if(window->m_wsh.isWinChanges())
						window->m_wsh.cancel();

			}
		}
		else {
			// Event found for a window before the pointer to the class has been set.
			GHOST_PRINT("GHOST_SystemWin32::wndProc: GHOST window event before creation\n");
			/* These are events we typically miss at this point:
			 * WM_GETMINMAXINFO	0x24
			 * WM_NCCREATE			0x81
			 * WM_NCCALCSIZE		0x83
			 * WM_CREATE			0x01
			 * We let DefWindowProc do the work.
			 */
		}
	}
	else {
		// Events without valid hwnd
		GHOST_PRINT("GHOST_SystemWin32::wndProc: event without window\n");
	}

	if (event) {
		system->pushEvent(event);
		eventHandled = true;
	}

	if (!eventHandled)
		lResult = ::DefWindowProcW(hwnd, msg, wParam, lParam);

	return lResult;
}