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simplified some window rect calculations

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1539 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2013-03-01 07:41:23 +00:00
parent 5e48d25cdb
commit 4d83b5ab50
3 changed files with 17 additions and 36 deletions
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4
freeglut/freeglut/src/mswin/fg_menu_mswin.c
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@ -29,7 +29,7 @@
#include <GL/freeglut.h>
#include "../fg_internal.h"
extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside );
extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window );
GLvoid fgPlatformGetGameModeVMaxExtent( SFG_Window* window, int* x, int* y )
@ -74,7 +74,7 @@ void fgPlatformCheckMenuDeactivate()
*/
POINT mouse_pos;
RECT clientArea;
fghGetClientArea(&clientArea,menu->ParentWindow, GL_FALSE);
fghGetClientArea(&clientArea,menu->ParentWindow);
GetCursorPos(&mouse_pos);
if ( !PtInRect( &clientArea, mouse_pos ) )
fgDeactivateMenu(menu->ParentWindow);

14
freeglut/freeglut/src/mswin/fg_state_mswin.c
View File

@ -37,7 +37,7 @@ extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
* and the window rect from the client area given the style of the window
* (or a valid window pointer from which the style can be queried).
*/
extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside );
extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window );
extern void fghGetStyleFromWindow( const SFG_Window *window, DWORD *windowStyle, DWORD *windowExStyle );
extern void fghComputeWindowRectFromClientArea_UseStyle( RECT *clientRect, const DWORD windowStyle, const DWORD windowExStyle, BOOL posIsOutside );
@ -236,15 +236,19 @@ int fgPlatformGlutGet ( GLenum eWhat )
/* Get style of window, or default style */
fghGetStyleFromWindow( fgStructure.CurrentWindow, &windowStyle, &windowExStyle );
/* Get client area if any window */
/* Get client area if we have a current window, else use dummy rect */
/* Also get window rect (including non-client area) */
if (fgStructure.CurrentWindow && fgStructure.CurrentWindow->Window.Handle)
fghGetClientArea(&clientRect,fgStructure.CurrentWindow,FALSE);
{
fghGetClientArea(&clientRect,fgStructure.CurrentWindow);
GetWindowRect(fgStructure.CurrentWindow->Window.Handle,&winRect);
}
else
{
SetRect(&clientRect,0,0,200,200);
/* Compute window rect (including non-client area) */
CopyRect(&winRect,&clientRect);
fghComputeWindowRectFromClientArea_UseStyle(&winRect,windowStyle,windowExStyle,FALSE);
}
/* Calculate border width by taking width of whole window minus width of client area and divide by two
* NB: we assume horizontal and vertical borders have the same size, which should always be the case

31
freeglut/freeglut/src/mswin/fg_window_mswin.c
View File

@ -457,45 +457,22 @@ void fghComputeWindowRectFromClientArea_QueryWindow( RECT *clientRect, const SFG
/* Gets the rect describing the client area (drawable area) of the
* specified window. Output is position of corners of client area (drawable area) on the screen.
* Returns an empty rect if window pointer or window handle is NULL.
* If wantPosOutside is set to true, the output client Rect
* will follow freeGLUT's window specification convention in which the
* top-left corner is at the outside of the window, while the size
* (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
* area.
* Does not touch clientRect if window pointer or window handle is NULL.
* (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable area.
*/
void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside )
void fghGetClientArea( RECT *clientRect, const SFG_Window *window )
{
POINT topLeftClient = {0,0};
POINT topLeftWindow = {0,0};
freeglut_return_if_fail((window && window->Window.Handle));
/*
* call GetWindowRect()
* (this returns the pixel coordinates of the outside of the window)
* cannot use GetClientRect as it returns a rect relative to
* the top-left point of the client area (.top and .left are thus always 0)
* and is thus only useful for querying the size of the client area, not
* its position.
*/
GetWindowRect( window->Window.Handle, clientRect );
topLeftWindow.x = clientRect->top;
topLeftWindow.y = clientRect->left;
/* Get size of client rect */
GetClientRect(window->Window.Handle, clientRect);
/* Get position of top-left of client area on the screen */
ClientToScreen(window->Window.Handle,&topLeftClient);
/* Add top-left offset */
OffsetRect(clientRect,topLeftClient.x,topLeftClient.y);
/* replace top and left with top and left of window, if wanted */
if (wantPosOutside)
{
clientRect->left = topLeftWindow.x;
clientRect->top = topLeftWindow.y;
}
}
#if(WINVER >= 0x500)
@ -807,7 +784,7 @@ void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
* for them.
*/
RECT parentRect;
fghGetClientArea( &parentRect, window->Parent, FALSE );
fghGetClientArea( &parentRect, window->Parent );
OffsetRect(&windowRect,-parentRect.left,-parentRect.top);
}