simplified some window rect calculations
git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1539 7f0cb862-5218-0410-a997-914c9d46530a
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@ -29,7 +29,7 @@
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#include <GL/freeglut.h>
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#include "../fg_internal.h"
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extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside );
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extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window );
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GLvoid fgPlatformGetGameModeVMaxExtent( SFG_Window* window, int* x, int* y )
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@ -74,7 +74,7 @@ void fgPlatformCheckMenuDeactivate()
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*/
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POINT mouse_pos;
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RECT clientArea;
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fghGetClientArea(&clientArea,menu->ParentWindow, GL_FALSE);
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fghGetClientArea(&clientArea,menu->ParentWindow);
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GetCursorPos(&mouse_pos);
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if ( !PtInRect( &clientArea, mouse_pos ) )
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fgDeactivateMenu(menu->ParentWindow);
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@ -37,7 +37,7 @@ extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
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* and the window rect from the client area given the style of the window
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* (or a valid window pointer from which the style can be queried).
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*/
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extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside );
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extern void fghGetClientArea( RECT *clientRect, const SFG_Window *window );
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extern void fghGetStyleFromWindow( const SFG_Window *window, DWORD *windowStyle, DWORD *windowExStyle );
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extern void fghComputeWindowRectFromClientArea_UseStyle( RECT *clientRect, const DWORD windowStyle, const DWORD windowExStyle, BOOL posIsOutside );
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@ -236,15 +236,19 @@ int fgPlatformGlutGet ( GLenum eWhat )
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/* Get style of window, or default style */
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fghGetStyleFromWindow( fgStructure.CurrentWindow, &windowStyle, &windowExStyle );
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/* Get client area if any window */
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/* Get client area if we have a current window, else use dummy rect */
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/* Also get window rect (including non-client area) */
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if (fgStructure.CurrentWindow && fgStructure.CurrentWindow->Window.Handle)
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fghGetClientArea(&clientRect,fgStructure.CurrentWindow,FALSE);
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{
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fghGetClientArea(&clientRect,fgStructure.CurrentWindow);
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GetWindowRect(fgStructure.CurrentWindow->Window.Handle,&winRect);
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}
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else
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{
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SetRect(&clientRect,0,0,200,200);
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/* Compute window rect (including non-client area) */
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CopyRect(&winRect,&clientRect);
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fghComputeWindowRectFromClientArea_UseStyle(&winRect,windowStyle,windowExStyle,FALSE);
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CopyRect(&winRect,&clientRect);
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fghComputeWindowRectFromClientArea_UseStyle(&winRect,windowStyle,windowExStyle,FALSE);
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}
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/* Calculate border width by taking width of whole window minus width of client area and divide by two
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* NB: we assume horizontal and vertical borders have the same size, which should always be the case
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@ -457,45 +457,22 @@ void fghComputeWindowRectFromClientArea_QueryWindow( RECT *clientRect, const SFG
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/* Gets the rect describing the client area (drawable area) of the
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* specified window. Output is position of corners of client area (drawable area) on the screen.
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* Returns an empty rect if window pointer or window handle is NULL.
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* If wantPosOutside is set to true, the output client Rect
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* will follow freeGLUT's window specification convention in which the
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* top-left corner is at the outside of the window, while the size
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* (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
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* area.
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* Does not touch clientRect if window pointer or window handle is NULL.
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* (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable area.
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*/
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void fghGetClientArea( RECT *clientRect, const SFG_Window *window, BOOL wantPosOutside )
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void fghGetClientArea( RECT *clientRect, const SFG_Window *window )
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{
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POINT topLeftClient = {0,0};
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POINT topLeftWindow = {0,0};
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freeglut_return_if_fail((window && window->Window.Handle));
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/*
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* call GetWindowRect()
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* (this returns the pixel coordinates of the outside of the window)
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* cannot use GetClientRect as it returns a rect relative to
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* the top-left point of the client area (.top and .left are thus always 0)
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* and is thus only useful for querying the size of the client area, not
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* its position.
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*/
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GetWindowRect( window->Window.Handle, clientRect );
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topLeftWindow.x = clientRect->top;
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topLeftWindow.y = clientRect->left;
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/* Get size of client rect */
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GetClientRect(window->Window.Handle, clientRect);
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/* Get position of top-left of client area on the screen */
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ClientToScreen(window->Window.Handle,&topLeftClient);
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/* Add top-left offset */
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OffsetRect(clientRect,topLeftClient.x,topLeftClient.y);
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/* replace top and left with top and left of window, if wanted */
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if (wantPosOutside)
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{
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clientRect->left = topLeftWindow.x;
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clientRect->top = topLeftWindow.y;
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}
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}
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#if(WINVER >= 0x500)
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@ -807,7 +784,7 @@ void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
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* for them.
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*/
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RECT parentRect;
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fghGetClientArea( &parentRect, window->Parent, FALSE );
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fghGetClientArea( &parentRect, window->Parent );
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OffsetRect(&windowRect,-parentRect.left,-parentRect.top);
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}
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