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cdd0923710
Tue Jan 4 13:01:33 1994 David Metcalfe <david@prism.demon.co.uk>
* [window/caret.c]
Modified code to use system timer.
Jan 9, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte)
* [windows/win.c]
Windows create if required new XLIB MenuBar & CaptionBar.
* [windows/defwnd.c]
WM_CALCSIZE Move & Resize caption, menubar & scrollbars.
(I'm not sure it's the good place for it, but it work...)
* [loader/resource.c]
optimize in FindResourceByNumber, make lseek() if next type ...
* [controls/scroll.c]
scrollbar buttons are now using system resources bitmaps.
* [controls/caption.c] - new file ...
captionbar showing title, close button with SysMenu,
and other buttons using system resources bitmaps.
* [controls/menu.c]
New functions: SetMenuItemBitmaps() with 'glues',
Make new version of LoadMenu() & ParseMenu(),
( put #define USE_POPUPMENU ).
Implementation of MenuBar functions.
* [sysres.dll]
New bitmaps for system such OBM_CLOSE, OBM_MINIMIZE, OBM_UPARROWI.
New SYSMENU menu, it don't work yet ! :-((
Tue Jan 11 05:27:45 1994 julliard@di.epfl.ch (Alexandre Julliard
* [memory/atom.c]
Fixed a bug that could cause atoms to be case-sensitive.
* [misc/rect.c]
Bug fix in SubtractRect().
* [objects/clipping.c]
Bug fix when setting the clip mask to an empty region.
* [windows/dce.c]
Bug fix in ReleaseDC().
* [windows/dialog.c]
Call AdjustWindowRectEx() before creating the dialog window.
Added support for DS_MODALFRAME style.
* [windows/event.c]
Cleaned up event handling and removed old Xt stuff.
Moved double-click handling to windows/message.c
* [windows/focus.c]
Bug fix: only set the X focus when the window is viewable.
* [windows/graphics.c]
Rewritten DrawReliefRect() to use brush instead of pen, and
to use the system colors.
* [windows/message.c]
Implemented WM_NCHITTEST message sending, and non-client
mouse messages.
Cleaned up double-click handling, and removed the Xt code.
* [windows/nonclient.c] (New file)
Implemented AdjustWindowRect().
Implemented WM_NCCALCSIZE, WM_NCHITTEST and WM_NCPAINT handling.
* [windows/painting.c]
Added sending of the WM_NCPAINT message in BeginPaint().
* [windows/sysmetrics.c] [include/sysmetrics.h] (New files)
Implemented system metrics.
* [windows/win.c]
Bug fix in setting the parent and owner in CreateWindow().
Removed the Xt code.
* [windows/winpos.c]
Added sending of the WM_NCPAINT message in SetWindowPos().
Removed the Xt code.
383 lines
10 KiB
C
383 lines
10 KiB
C
/*
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* DC clipping functions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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static char Copyright[] = "Copyright Alexandre Julliard, 1993";
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#include <stdio.h>
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#include "gdi.h"
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/***********************************************************************
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* CLIPPING_SetDeviceClipping
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*
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* Set the clip region of the physical device.
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*/
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void CLIPPING_SetDeviceClipping( DC * dc )
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{
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if (dc->w.hGCClipRgn)
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{
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RGNOBJ *obj = (RGNOBJ *) GDI_GetObjPtr(dc->w.hGCClipRgn, REGION_MAGIC);
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if (obj->region.pixmap)
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{
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XSetClipMask( display, dc->u.x.gc, obj->region.pixmap );
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XSetClipOrigin( display, dc->u.x.gc,
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dc->w.DCOrgX + obj->region.box.left,
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dc->w.DCOrgY + obj->region.box.top );
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}
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else /* Clip everything */
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{
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XSetClipRectangles( display, dc->u.x.gc, 0, 0, NULL, 0, 0 );
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}
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}
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else
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{
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XSetClipMask( display, dc->u.x.gc, None );
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XSetClipOrigin( display, dc->u.x.gc, dc->w.DCOrgX, dc->w.DCOrgY );
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}
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}
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/***********************************************************************
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* CLIPPING_UpdateGCRegion
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*
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* Update the GC clip region when the ClipRgn or VisRgn have changed.
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*/
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static void CLIPPING_UpdateGCRegion( DC * dc )
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{
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if (!dc->w.hGCClipRgn) dc->w.hGCClipRgn = CreateRectRgn(0,0,0,0);
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if (!dc->w.hVisRgn)
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{
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if (!dc->w.hClipRgn)
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{
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DeleteObject( dc->w.hGCClipRgn );
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dc->w.hGCClipRgn = 0;
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}
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else
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CombineRgn( dc->w.hGCClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
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}
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else
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{
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if (!dc->w.hClipRgn)
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CombineRgn( dc->w.hGCClipRgn, dc->w.hVisRgn, 0, RGN_COPY );
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else
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CombineRgn( dc->w.hGCClipRgn, dc->w.hClipRgn, dc->w.hVisRgn, RGN_AND );
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}
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CLIPPING_SetDeviceClipping( dc );
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}
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/***********************************************************************
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* CLIPPING_SelectRgn
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*
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* Helper function for SelectClipRgn() and SelectVisRgn().
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*/
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static int CLIPPING_SelectRgn( DC * dc, HRGN * hrgnPrev, HRGN hrgn )
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{
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int retval;
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if (hrgn)
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{
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if (!*hrgnPrev) *hrgnPrev = CreateRectRgn(0,0,0,0);
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retval = CombineRgn( *hrgnPrev, hrgn, 0, RGN_COPY );
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}
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else
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{
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if (*hrgnPrev) DeleteObject( *hrgnPrev );
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*hrgnPrev = 0;
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retval = SIMPLEREGION; /* Clip region == client area */
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}
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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/***********************************************************************
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* SelectClipRgn (GDI.44)
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*/
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int SelectClipRgn( HDC hdc, HRGN hrgn )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "SelectClipRgn: %d %d\n", hdc, hrgn );
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#endif
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return CLIPPING_SelectRgn( dc, &dc->w.hClipRgn, hrgn );
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}
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/***********************************************************************
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* SelectVisRgn (GDI.105)
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*/
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int SelectVisRgn( HDC hdc, HRGN hrgn )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "SelectVisRgn: %d %d\n", hdc, hrgn );
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#endif
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return CLIPPING_SelectRgn( dc, &dc->w.hVisRgn, hrgn );
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}
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/***********************************************************************
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* OffsetClipRgn (GDI.32)
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*/
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int OffsetClipRgn( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "OffsetClipRgn: %d %d,%d\n", hdc, x, y );
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#endif
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if (dc->w.hClipRgn)
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{
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int retval = OffsetRgn( dc->w.hClipRgn, x, y );
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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else return SIMPLEREGION; /* Clip region == client area */
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}
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/***********************************************************************
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* OffsetVisRgn (GDI.102)
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*/
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int OffsetVisRgn( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "OffsetVisRgn: %d %d,%d\n", hdc, x, y );
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#endif
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if (dc->w.hVisRgn)
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{
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int retval = OffsetRgn( dc->w.hVisRgn, x, y );
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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}
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else return SIMPLEREGION; /* Clip region == client area */
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}
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/***********************************************************************
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* CLIPPING_IntersectRect
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*
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* Helper function for {Intersect,Exclude}{Clip,Vis}Rect
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*/
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int CLIPPING_IntersectRect( DC * dc, HRGN * hrgn, short left, short top,
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short right, short bottom, int exclude )
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{
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HRGN tempRgn = 0, prevRgn = 0, newRgn = 0;
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RGNOBJ *newObj, *prevObj;
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int retval;
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if (!*hrgn)
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{
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if (!(*hrgn = CreateRectRgn( 0, 0, dc->w.DCSizeX, dc->w.DCSizeY )))
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goto Error;
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prevRgn = *hrgn;
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}
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if (!(newRgn = CreateRectRgn( 0, 0, 0, 0))) goto Error;
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if (!(tempRgn = CreateRectRgn( left, top, right, bottom ))) goto Error;
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retval = CombineRgn( newRgn, *hrgn, tempRgn, exclude ? RGN_DIFF : RGN_AND);
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if (retval == ERROR) goto Error;
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newObj = (RGNOBJ *) GDI_GetObjPtr( newRgn, REGION_MAGIC );
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prevObj = (RGNOBJ *) GDI_GetObjPtr( *hrgn, REGION_MAGIC );
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if (newObj && prevObj) newObj->header.hNext = prevObj->header.hNext;
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DeleteObject( tempRgn );
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if (*hrgn) DeleteObject( *hrgn );
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*hrgn = newRgn;
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CLIPPING_UpdateGCRegion( dc );
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return retval;
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Error:
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if (tempRgn) DeleteObject( tempRgn );
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if (newRgn) DeleteObject( newRgn );
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if (prevRgn)
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{
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DeleteObject( prevRgn );
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*hrgn = 0;
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}
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return ERROR;
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}
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/***********************************************************************
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* ExcludeClipRect (GDI.21)
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*/
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int ExcludeClipRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "ExcludeClipRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hClipRgn, left, top,
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right, bottom, 1 );
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}
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/***********************************************************************
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* IntersectClipRect (GDI.22)
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*/
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int IntersectClipRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "IntersectClipRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hClipRgn, left, top,
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right, bottom, 0 );
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}
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/***********************************************************************
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* ExcludeVisRect (GDI.73)
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*/
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int ExcludeVisRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "ExcludeVisRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hVisRgn, left, top,
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right, bottom, 1 );
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}
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/***********************************************************************
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* IntersectVisRect (GDI.98)
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*/
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int IntersectVisRect( HDC hdc, short left, short top,
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short right, short bottom )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "IntersectVisRect: %d %dx%d,%dx%d\n",
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hdc, left, top, right, bottom );
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#endif
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return CLIPPING_IntersectRect( dc, &dc->w.hVisRgn, left, top,
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right, bottom, 0 );
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}
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/***********************************************************************
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* PtVisible (GDI.103)
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*/
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BOOL PtVisible( HDC hdc, short x, short y )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "PtVisible: %d %d,%d\n", hdc, x, y );
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#endif
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if (!dc->w.hClipRgn) return FALSE;
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return PtInRegion( dc->w.hClipRgn, x, y );
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}
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/***********************************************************************
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* RectVisible (GDI.104)
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*/
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BOOL RectVisible( HDC hdc, LPRECT rect )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "RectVisible: %d %p\n", hdc, rect );
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#endif
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if (!dc->w.hClipRgn) return FALSE;
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return RectInRegion( dc->w.hClipRgn, rect );
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}
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/***********************************************************************
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* GetClipBox (GDI.77)
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*/
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int GetClipBox( HDC hdc, LPRECT rect )
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{
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "GetClipBox: %d %p\n", hdc, rect );
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#endif
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if (dc->w.hGCClipRgn) return GetRgnBox( dc->w.hGCClipRgn, rect );
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else
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{
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rect->top = rect->left = 0;
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rect->right = dc->w.DCSizeX;
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rect->bottom = dc->w.DCSizeY;
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return SIMPLEREGION;
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}
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}
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/***********************************************************************
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* SaveVisRgn (GDI.129)
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*/
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HRGN SaveVisRgn( HDC hdc )
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{
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HRGN copy;
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RGNOBJ *obj, *copyObj;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return 0;
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#ifdef DEBUG_CLIPPING
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printf( "SaveVisRgn: %d\n", hdc );
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#endif
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if (!dc->w.hVisRgn) return 0;
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if (!(obj = (RGNOBJ *) GDI_GetObjPtr( dc->w.hVisRgn, REGION_MAGIC )))
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return 0;
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if (!(copy = CreateRectRgn( 0, 0, 0, 0 ))) return 0;
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CombineRgn( copy, dc->w.hVisRgn, 0, RGN_COPY );
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if (!(copyObj = (RGNOBJ *) GDI_GetObjPtr( copy, REGION_MAGIC )))
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return 0;
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copyObj->header.hNext = obj->header.hNext;
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obj->header.hNext = copy;
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return copy;
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}
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/***********************************************************************
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* RestoreVisRgn (GDI.130)
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*/
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int RestoreVisRgn( HDC hdc )
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{
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HRGN saved;
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RGNOBJ *obj, *savedObj;
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DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc) return ERROR;
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#ifdef DEBUG_CLIPPING
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printf( "RestoreVisRgn: %d\n", hdc );
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#endif
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if (!dc->w.hVisRgn) return ERROR;
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if (!(obj = (RGNOBJ *) GDI_GetObjPtr( dc->w.hVisRgn, REGION_MAGIC )))
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return ERROR;
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if (!(saved = obj->header.hNext)) return ERROR;
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if (!(savedObj = (RGNOBJ *) GDI_GetObjPtr( saved, REGION_MAGIC )))
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return ERROR;
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DeleteObject( dc->w.hVisRgn );
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dc->w.hVisRgn = saved;
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CLIPPING_UpdateGCRegion( dc );
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return savedObj->region.type;
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}
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