+static void fghUpdateWindowStatus(SFG_Window *window, GLboolean visState)
+{
+ SFG_Window* child;
+
+ if (window->State.Visible != visState)
+ {
+ window->State.Visible = visState;
+ INVOKE_WCB( *window, WindowStatus, ( visState ? GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
+ }
+
+ /* Also set visibility state for children */
+ for( child = ( SFG_Window * )window->Children.First;
+ child;
+ child = ( SFG_Window * )child->Node.Next )
+ {
+ fghUpdateWindowStatus(child, visState);
+ }
+}
+
+static void fghNotifyWindowStatus(SFG_Window *window)
+{
+ SFG_Window* child;
+
+ INVOKE_WCB( *window, WindowStatus, ( window->State.Visible?GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
+
+ /* Also notify children */
+ for( child = ( SFG_Window * )window->Children.First;
+ child;
+ child = ( SFG_Window * )child->Node.Next )
+ {
+ fghNotifyWindowStatus(child);
+ }
+}
+
void fgPlatformMainLoopPreliminaryWork ( void )
{
SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
/*
* Processing before the main loop: If there is a window which is open and
- * which has a visibility callback, call it. I know this is an ugly hack,
- * but I'm not sure what else to do about it. Ideally we should leave
- * something uninitialized in the create window code and initialize it in
- * the main loop, and have that initialization create a "WM_ACTIVATE"
- * message. Then we would put the visibility callback code in the
- * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02
+ * which has a visibility/windowStatus callback, call it to inform the client
+ * code that the window is visible. I know this is an ugly hack,
+ * but I'm not sure what else to do about it. Depending on WM_ACTIVATE would
+ * not work as not all windows get this when you are opening multiple before
+ * the mainloop starts. WM_SHOWWINDOW looked like an interesting candidate, but
+ * it is generated and processed before glutCreate(Sub)Window returns, so no
+ * callback can yet be set on the window.
*/
while( window )
{
- if ( FETCH_WCB( *window, Visibility ) )
+ if ( FETCH_WCB( *window, WindowStatus ) )
{
SFG_Window *current_window = fgStructure.CurrentWindow ;
- INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
+ fghNotifyWindowStatus(window);
fgSetWindow( current_window );
}
return 1;
}
-void fghWindowUnderCursor(SFG_Window *window, SFG_Window **child_window)
+static SFG_Window* fghWindowUnderCursor(SFG_Window *window)
{
/* Check if the current window that the mouse is over is a child window
- * of the window the message was sent to.
+ * of the window the message was sent to. Some events only sent to main window,
+ * and when handling some messages, we need to make sure that we process
+ * callbacks on the child window instead. This mirrors how GLUT does things.
+ * returns either the original window or the found child.
*/
- if (window && window->Children.First)
+ if (window && window->Children.First) /* This window has childs */
{
- POINT mouse_pos;
SFG_WindowHandleType hwnd;
- SFG_Window* temp_window;
+ SFG_Window* child_window;
/* Get mouse position at time of message */
- DWORD mouse_pos_Dword = GetMessagePos();
- mouse_pos.x = GET_X_LPARAM(mouse_pos_Dword);
- mouse_pos.y = GET_Y_LPARAM(mouse_pos_Dword);
+ DWORD mouse_pos_dw = GetMessagePos();
+ POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)};
ScreenToClient( window->Window.Handle, &mouse_pos );
hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
if (hwnd && hwnd!=window->Window.Handle) /* can be NULL if mouse outside parent by the time we get here, or can be same as parent if we didn't find a child */
{
- temp_window = fgWindowByHandle(hwnd);
- if (temp_window) /* Verify we got a FreeGLUT window */
+ child_window = fgWindowByHandle(hwnd);
+ if (child_window) /* Verify we got a FreeGLUT window */
{
- *child_window = temp_window;
/* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
- fghWindowUnderCursor(temp_window,child_window);
+ window = fghWindowUnderCursor(child_window);
}
}
}
+
+ return window;
}
/*
*/
LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
- SFG_Window *window, *child_window = NULL;
- PAINTSTRUCT ps;
+ SFG_Window *window;
LRESULT lRet = 1;
+ static int setCaptureActive = 0;
FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
/* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
uMsg, wParam, lParam ); */
- /* Some events only sent to main window. Check if the current window that
- * the mouse is over is a child window. Below when handling some messages,
- * we make sure that we process callbacks on the child window instead.
- * This mirrors how GLUT does things.
- */
- fghWindowUnderCursor(window, &child_window);
-
switch( uMsg )
{
case WM_CREATE:
break;
case WM_SIZE:
+ //printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam));
/*
* If the window is visible, then it is the user manually resizing it.
* If it is not, then it is the system sending us a dummy resize with
window->State.NeedToResize = GL_TRUE;
}
+ /* according to docs, should return 0 */
+ lRet = 0;
break;
case WM_MOVE:
{
SFG_Window* saved_window = fgStructure.CurrentWindow;
RECT windowRect;
- GetWindowRect( window->Window.Handle, &windowRect );
-
- if (window->Parent)
+
+ /* Check window visible, we don't want to call the position callback when the user minimized the window */
+ if (window->State.Visible)
{
- /* For child window, we should return relative to upper-left
- * of parent's client area.
- */
- POINT topleft = {windowRect.left,windowRect.top};
-
- ScreenToClient(window->Parent->Window.Handle,&topleft);
- windowRect.left = topleft.x;
- windowRect.top = topleft.y;
- }
+ GetWindowRect( window->Window.Handle, &windowRect );
+
+ if (window->Parent)
+ {
+ /* For child window, we should return relative to upper-left
+ * of parent's client area.
+ */
+ POINT topleft = {windowRect.left,windowRect.top};
- INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
- fgSetWindow(saved_window);
+ ScreenToClient(window->Parent->Window.Handle,&topleft);
+ windowRect.left = topleft.x;
+ windowRect.top = topleft.y;
+ }
+
+ INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
+ fgSetWindow(saved_window);
+ }
}
break;
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
- if (child_window)
- {
- /* If we're dealing with a child window, make sure it has input focus instead, set it here. */
- SetFocus(child_window->Window.Handle);
- SetActiveWindow( child_window->Window.Handle );
- INVOKE_WCB( *child_window, Entry, ( GLUT_ENTERED ) );
- UpdateWindow ( child_window->Window.Handle );
- }
- else
- {
- SetActiveWindow( window->Window.Handle );
- INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
- }
- /* Always request update on main window to be safe */
+ SetActiveWindow( window->Window.Handle );
UpdateWindow ( hWnd );
break;
case WM_KILLFOCUS:
{
- SFG_Window* saved_window = fgStructure.CurrentWindow;
/* printf("WM_KILLFOCUS: %p\n", window ); */
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
- INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
- fgSetWindow(saved_window);
/* Check if there are any open menus that need to be closed */
fgPlatformCheckMenuDeactivate();
#if 0
case WM_ACTIVATE:
- //printf("WM_ACTIVATE: %x %d %d\n",lParam, HIWORD(wParam), LOWORD(wParam));
+ //printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam));
if (LOWORD(wParam) != WA_INACTIVE)
{
/* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
case WM_SETCURSOR:
/* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
if( LOWORD( lParam ) == HTCLIENT )
- fgSetCursor ( window, window->State.Cursor ) ;
+ {
+ if (!window->State.pWState.MouseTracking)
+ {
+ TRACKMOUSEEVENT tme;
+
+ /* Cursor just entered window, set cursor look */
+ fgSetCursor ( window, window->State.Cursor ) ;
+
+ /* If an EntryFunc callback is specified by the user, also
+ * invoke that callback and start mouse tracking so that
+ * we get a WM_MOUSELEAVE message
+ */
+ if (FETCH_WCB( *window, Entry ))
+ {
+ INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
+
+ tme.cbSize = sizeof(TRACKMOUSEEVENT);
+ tme.dwFlags = TME_LEAVE;
+ tme.hwndTrack = window->Window.Handle;
+ TrackMouseEvent(&tme);
+
+ window->State.pWState.MouseTracking = GL_TRUE;
+ }
+ }
+ }
else
+ /* Only pass non-client WM_SETCURSOR to DefWindowProc, or we get WM_SETCURSOR on parents of children as well */
lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
break;
+ case WM_MOUSELEAVE:
+ {
+ /* NB: This message is only received when a EntryFunc callback
+ * is specified by the user, as that is the only condition under
+ * which mouse tracking is setup in WM_SETCURSOR handler above
+ */
+ SFG_Window* saved_window = fgStructure.CurrentWindow;
+ INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
+ fgSetWindow(saved_window);
+
+ window->State.pWState.MouseTracking = GL_FALSE;
+ lRet = 0; /* As per docs, must return zero */
+ }
+ break;
+
case WM_SHOWWINDOW:
- window->State.Visible = GL_TRUE;
+ //printf("WM_SHOWWINDOW\n");
+ fghUpdateWindowStatus(window, GL_TRUE);
window->State.Redisplay = GL_TRUE;
break;
case WM_PAINT:
+ {
+ PAINTSTRUCT ps;
/* Turn on the visibility in case it was turned off somehow */
window->State.Visible = GL_TRUE;
+
InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
BeginPaint( hWnd, &ps );
fghRedrawWindow( window );
EndPaint( hWnd, &ps );
- break;
+ }
+ break;
case WM_CLOSE:
fgDestroyWindow ( window );
window->State.MouseX, window->State.MouseY ) )
break;
- /* Set capture so that the window captures all the mouse messages */
- /*
- * XXX - Multiple button support: Under X11, the mouse is not released
- * XXX - from the window until all buttons have been released, even if the
- * XXX - user presses a button in another window. This will take more
- * XXX - code changes than I am up to at the moment (10/5/04). The present
- * XXX - is a 90 percent solution.
+ /* Set capture so that the window captures all the mouse messages
+ *
+ * The mouse is not released from the window until all buttons have
+ * been released, even if the user presses a button in another window.
+ * This is consistent with the behavior on X11.
*/
if ( pressed == GL_TRUE )
- SetCapture ( window->Window.Handle ) ;
- else
+ {
+ if (!setCaptureActive)
+ SetCapture ( window->Window.Handle ) ;
+ setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */
+ }
+ else if (!GetAsyncKeyState(VK_LBUTTON) && !GetAsyncKeyState(VK_MBUTTON) && !GetAsyncKeyState(VK_RBUTTON))
+ /* Make sure all mouse buttons are released before releasing capture */
ReleaseCapture () ;
if( ! FETCH_WCB( *window, Mouse ) )
);
fgState.Modifiers = INVALID_MODIFIERS;
+
+ /* As per docs, should return zero */
+ lRet = 0;
}
break;
case WM_MOUSEWHEEL:
{
+ SFG_Window *child_window = NULL;
int wheel_number = LOWORD( wParam );
short ticks = ( short )HIWORD( wParam );
- fgState.MouseWheelTicks += ticks;
+ window = fghWindowUnderCursor(window);
+
+ fgState.MouseWheelTicks += ticks;
if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
{
int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
- if (child_window)
- window = child_window;
+ {
+ window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
+ }
break;
case WM_SYSKEYUP:
case WM_KEYUP:
- if (child_window)
- window = child_window;
+ {
+ window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
+ }
break;
case WM_SYSCHAR:
case WM_CHAR:
{
- if (child_window)
- window = child_window;
+ window = fghWindowUnderCursor(window);
if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
break;
break;
case WM_CAPTURECHANGED:
- /* User has finished resizing the window, force a redraw */
- INVOKE_WCB( *window, Display, ( ) );
-
- /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
+ if (!lParam || !fgWindowByHandle((HWND)lParam))
+ /* Capture released or capture taken by non-FreeGLUT window */
+ setCaptureActive = 0;
+ /* Docs advise a redraw */
+ InvalidateRect( hWnd, NULL, GL_FALSE );
+ UpdateWindow(hWnd);
+ lRet = 0; /* Per docs, should return zero */
break;
/* Other messages that I have seen and which are not handled already */
case SC_MINIMIZE :
/* User has clicked on the "-" to minimize the window */
/* Turn off the visibility */
- window->State.Visible = GL_FALSE ;
+ fghUpdateWindowStatus(window, GL_FALSE);
break ;
break ;
case SC_RESTORE :
+ fghUpdateWindowStatus(window, GL_TRUE);
break ;
case SC_TASKLIST :
projects / freeglut / blobdiff