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some msgs only sent to parent window, find child under cursor. This before only search for childs of the parent, not grandchilds or more derived. Fixed

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1508 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2013-02-26 16:13:09 +00:00
parent fdbb8086ed
commit 3b5f3573a1
1 changed files with 28 additions and 16 deletions
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44
freeglut/freeglut/src/mswin/fg_main_mswin.c
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@ -323,6 +323,33 @@ static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean ke
return 1;
}
void fghWindowUnderCursor(SFG_Window *window, SFG_Window **child_window)
{
/* Check if the current window that the mouse is over is a child window
* of the window the message was sent to.
*/
if (window && window->Children.First)
{
POINT mouse_pos;
SFG_WindowHandleType hwnd;
SFG_Window* temp_window;
GetCursorPos( &mouse_pos );
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 = temp_window;
/* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
fghWindowUnderCursor(temp_window,child_window);
}
}
}
}
/*
* The window procedure for handling Win32 events
*/
@ -347,22 +374,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
* we make sure that we process callbacks on the child window instead.
* This mirrors how GLUT does things.
*/
if (window && window->Children.First)
{
POINT mouse_pos;
SFG_WindowHandleType hwnd;
SFG_Window* temp_window;
GetCursorPos( &mouse_pos );
ScreenToClient( window->Window.Handle, &mouse_pos );
hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
if (hwnd) /* can be NULL if mouse outside parent by the time we get here */
{
temp_window = fgWindowByHandle(hwnd);
if (temp_window && temp_window->Parent) /* Verify we got a child window */
child_window = temp_window;
}
}
fghWindowUnderCursor(window, &child_window);
switch( uMsg )
{