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 */
/*if((wParam&0xfff0)==SC_SIZE)
{
window->registerMouseClickEvent(0);
window->m_wsh.startSizing(wParam);
eventHandled = true;
}*/
break;
////////////////////////////////////////////////////////////////////////
// Tablet events, processed
////////////////////////////////////////////////////////////////////////
case WT_PACKET:
((GHOST_WindowWin32 *)window)->processWin32TabletEvent(wParam, lParam);
break;
case WT_CSRCHANGE:
case WT_PROXIMITY:
((GHOST_WindowWin32 *)window)->processWin32TabletInitEvent();
break;
////////////////////////////////////////////////////////////////////////
// Mouse events, processed
////////////////////////////////////////////////////////////////////////
case WM_LBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskLeft);
break;
case WM_MBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskMiddle);
break;
case WM_RBUTTONDOWN:
window->registerMouseClickEvent(0);
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskRight);
break;
case WM_XBUTTONDOWN:
window->registerMouseClickEvent(0);
if ((short) HIWORD(wParam) == XBUTTON1) {
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton4);
}
else if ((short) HIWORD(wParam) == XBUTTON2) {
event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton5);
}
break;
case WM_LBUTTONUP:
window->registerMouseClickEvent(1);
if(window->m_wsh.isWinChanges())
window->m_wsh.accept();
else
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskLeft);
break;
case WM_MBUTTONUP:
window->registerMouseClickEvent(1);
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskMiddle);
break;
case WM_RBUTTONUP:
window->registerMouseClickEvent(1);
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskRight);
break;
case WM_XBUTTONUP:
window->registerMouseClickEvent(1);
if ((short) HIWORD(wParam) == XBUTTON1) {
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton4);
}
else if ((short) HIWORD(wParam) == XBUTTON2) {
event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton5);
}
break;
case WM_MOUSEMOVE:
if(window->m_wsh.isWinChanges())
window->m_wsh.updateWindowSize();
else
event = processCursorEvent(GHOST_kEventCursorMove, window);
break;
case WM_MOUSEWHEEL:
/* The WM_MOUSEWHEEL message is sent to the focus window
* when the mouse wheel is rotated. The DefWindowProc
* function propagates the message to the window's parent.
* There should be no internal forwarding of the message,
* since DefWindowProc propagates it up the parent chain
* until it finds a window that processes it.
*/
event = processWheelEvent(window, wParam, lParam);
break;
case WM_SETCURSOR:
/* The WM_SETCURSOR message is sent to a window if the mouse causes the cursor
* to move within a window and mouse input is not captured.
* This means we have to set the cursor shape every time the mouse moves!
* The DefWindowProc function uses this message to set the cursor to an
* arrow if it is not in the client area.
*/
if (LOWORD(lParam) == HTCLIENT) {
// Load the current cursor
window->loadCursor(window->getCursorVisibility(), window->getCursorShape());
// Bypass call to DefWindowProc
return 0;
}
else {
// Outside of client area show standard cursor
window->loadCursor(true, GHOST_kStandardCursorDefault);
}
break;
////////////////////////////////////////////////////////////////////////
// Mouse events, ignored
////////////////////////////////////////////////////////////////////////
case WM_NCMOUSEMOVE:
/* The WM_NCMOUSEMOVE message is posted to a window when the cursor is moved
* within the nonclient area of the window. This message is posted to the window
* that contains the cursor. If a window has captured the mouse, this message is not posted.
*/
case WM_NCHITTEST:
/* The WM_NCHITTEST message is sent to a window when the cursor moves, or
* when a mouse button is pressed or released. If the mouse is not captured,
* the message is sent to the window beneath the cursor. Otherwise, the message
* is sent to the window that has captured the mouse.
*/
break;
////////////////////////////////////////////////////////////////////////
// Window events, processed
////////////////////////////////////////////////////////////////////////
case WM_CLOSE:
/* The WM_CLOSE message is sent as a signal that a window or an application should terminate. */
event = processWindowEvent(GHOST_kEventWindowClose, window);
break;
case WM_ACTIVATE:
/* The WM_ACTIVATE message is sent to both the window being activated and the window being
* deactivated. If the windows use the same input queue, the message is sent synchronously,
* first to the window procedure of the top-level window being deactivated, then to the window
* procedure of the top-level window being activated. If the windows use different input queues,
* the message is sent asynchronously, so the window is activated immediately.
*/
{
GHOST_ModifierKeys modifiers;
modifiers.clear();
system->storeModifierKeys(modifiers);
event = processWindowEvent(LOWORD(wParam) ? GHOST_kEventWindowActivate : GHOST_kEventWindowDeactivate, window);
/* WARNING: Let DefWindowProc handle WM_ACTIVATE, otherwise WM_MOUSEWHEEL
* will not be dispatched to OUR active window if we minimize one of OUR windows. */
if(LOWORD(wParam)==WA_INACTIVE)
window->lostMouseCapture();
lResult = ::DefWindowProc(hwnd, msg, wParam, lParam);
break;
}
case WM_PAINT:
/* An application sends the WM_PAINT message when the system or another application
* makes a request to paint a portion of an application's window. The message is sent
* when the UpdateWindow or RedrawWindow function is called, or by the DispatchMessage
* function when the application obtains a WM_PAINT message by using the GetMessage or
* PeekMessage function.
*/
event = processWindowEvent(GHOST_kEventWindowUpdate, window);
::ValidateRect(hwnd, NULL);
break;
case WM_GETMINMAXINFO:
/* The WM_GETMINMAXINFO message is sent to a window when the size or
* position of the window is about to change. An application can use
* this message to override the window's default maximized size and
* position, or its default minimum or maximum tracking size.
*/
processMinMaxInfo((MINMAXINFO *) lParam);
/* Let DefWindowProc handle it. */
break;
case WM_SIZE:
/* The WM_SIZE message is sent to a window after its size has changed.
* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
event = processWindowEvent(GHOST_kEventWindowSize, window);
break;
case WM_CAPTURECHANGED:
window->lostMouseCapture();
break;
case WM_MOVING:
/* The WM_MOVING message is sent to a window that the user is moving. By processing
* this message, an application can monitor the size and position of the drag rectangle
* and, if needed, change its size or position.
*/
case WM_MOVE:
/* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
event = processWindowEvent(GHOST_kEventWindowMove, window);
break;
////////////////////////////////////////////////////////////////////////
// Window events, ignored
////////////////////////////////////////////////////////////////////////
case WM_WINDOWPOSCHANGED:
/* The WM_WINDOWPOSCHANGED message is sent to a window whose size, position, or place
* in the Z order has changed as a result of a call to the SetWindowPos function or
* another window-management function.
* The WM_SIZE and WM_MOVE messages are not sent if an application handles the
* WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
* to perform any move or size change processing during the WM_WINDOWPOSCHANGED
* message without calling DefWindowProc.
*/
case WM_ERASEBKGND:
/* An application sends the WM_ERASEBKGND message when the window background must be
* erased (for example, when a window is resized). The message is sent to prepare an
* invalidated portion of a window for painting.
*/
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;
}
GHOST_TKey GHOST_SystemWin32::hardKey(GHOST_IWindow *window, RAWINPUT const& raw, int *keyDown, char *vk)
{
GHOST_TKey key = GHOST_kKeyUnknown;
if (!keyDown)
return GHOST_kKeyUnknown;
GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();
GHOST_ModifierKeys modifiers;
system->retrieveModifierKeys(modifiers);
// RI_KEY_BREAK doesn't work for sticky keys release, so we also
// check for the up message
unsigned int msg = raw.data.keyboard.Message;
*keyDown = !(raw.data.keyboard.Flags & RI_KEY_BREAK) && msg != WM_KEYUP && msg != WM_SYSKEYUP;
key = this->convertKey(window, raw.data.keyboard.VKey, raw.data.keyboard.MakeCode, (raw.data.keyboard.Flags & (RI_KEY_E1 | RI_KEY_E0)));
// extra handling of modifier keys: don't send repeats out from GHOST
if (key >= GHOST_kKeyLeftShift && key <= GHOST_kKeyRightAlt)
{
bool changed = false;
GHOST_TModifierKeyMask modifier;
switch (key) {
case GHOST_kKeyLeftShift:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftShift) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftShift;
}
break;
case GHOST_kKeyRightShift:
{
changed = (modifiers.get(GHOST_kModifierKeyRightShift) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightShift;
}
break;
case GHOST_kKeyLeftControl:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftControl) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftControl;
}
break;
case GHOST_kKeyRightControl:
{
changed = (modifiers.get(GHOST_kModifierKeyRightControl) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightControl;
}
break;
case GHOST_kKeyLeftAlt:
{
changed = (modifiers.get(GHOST_kModifierKeyLeftAlt) != (bool)*keyDown);
modifier = GHOST_kModifierKeyLeftAlt;
}
break;
case GHOST_kKeyRightAlt:
{
changed = (modifiers.get(GHOST_kModifierKeyRightAlt) != (bool)*keyDown);
modifier = GHOST_kModifierKeyRightAlt;
}
break;
default: break;
}
if (changed)
{
modifiers.set(modifier, (bool)*keyDown);
system->storeModifierKeys(modifiers);
}
else {
key = GHOST_kKeyUnknown;
}
}
if (vk) *vk = raw.data.keyboard.VKey;
return key;
}