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now providing new position of child relative to parent in the position

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callback
also need to set position func for the child window in the resizer demo


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1480 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2012-11-23 08:21:24 +00:00
parent 9db85cd9b3
commit 409ca5b133
2 changed files with 15 additions and 1 deletions
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4
freeglut/freeglut/progs/demos/Resizer/Resizer.cpp
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@ -12,7 +12,8 @@ GLboolean bChildPosDone = GL_FALSE, bChildSizeDone = GL_FALSE;
void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY ); void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY );
void Redisplay(); void Redisplay();
void Reshape(int x, int y); void Reshape(int width, int height);
void Position(int x, int y);
@ -117,6 +118,7 @@ void SampleKeyboard( unsigned char cChar, int nMouseX, int nMouseY )
glutKeyboardFunc( SampleKeyboard ); glutKeyboardFunc( SampleKeyboard );
glutDisplayFunc( Redisplay ); glutDisplayFunc( Redisplay );
glutReshapeFunc( Reshape ); glutReshapeFunc( Reshape );
glutPositionFunc( Position );
} }
else else
{ {

12
freeglut/freeglut/src/mswin/fg_main_mswin.c
View File

@ -433,6 +433,18 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
RECT windowRect; RECT windowRect;
GetWindowRect( window->Window.Handle, &windowRect ); 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};
ScreenToClient(window->Parent->Window.Handle,&topleft);
windowRect.left = topleft.x;
windowRect.top = topleft.y;
}
INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) ); INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
fgSetWindow(saved_window); fgSetWindow(saved_window);
} }