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Simplified fghWindowUnderCursor, cleane dup code

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1518 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2013-02-27 07:01:43 +00:00
parent 363c2c363a
commit 9652d57d4f
1 changed files with 17 additions and 24 deletions
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41
freeglut/freeglut/src/mswin/fg_main_mswin.c
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@ -321,37 +321,37 @@ static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean ke
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. 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;
}
/*
@ -738,9 +738,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
int wheel_number = LOWORD( wParam );
short ticks = ( short )HIWORD( wParam );
fghWindowUnderCursor(window, &child_window);
if (child_window)
window = child_window;
window = fghWindowUnderCursor(window);
fgState.MouseWheelTicks += ticks;
if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
@ -797,28 +795,23 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
{
SFG_Window *child_window = NULL;
fghWindowUnderCursor(window, &child_window);
lRet = fghWindowProcKeyPress(child_window?child_window:window,uMsg,GL_TRUE,wParam,lParam);
window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
}
break;
case WM_SYSKEYUP:
case WM_KEYUP:
{
SFG_Window *child_window = NULL;
fghWindowUnderCursor(window, &child_window);
lRet = fghWindowProcKeyPress(child_window?child_window:window,uMsg,GL_FALSE,wParam,lParam);
window = fghWindowUnderCursor(window);
lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
}
break;
case WM_SYSCHAR:
case WM_CHAR:
{
SFG_Window *child_window = NULL;
fghWindowUnderCursor(window, &child_window);
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;