mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-15 11:47:19 +00:00
8d24ae6d31
Tue Apr 5 14:36:59 1994 Bob Amstadt (bob@pooh) * [include/mdi.h] [windows/mdi.c] Use WM_PARENTNOTIFY messages to activate children. Generate WM_CHILDACTIVATE messages. Beginnings handler for maxmized child window. Clean up when children are destroyed. * [windows/message.c] [windows/nonclient.c] [windows/winpos.c] Removed code add 94/03/26. Apr 4, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte) * [control/menu.c] Make mouse menu navigation working again. :-)) (be carefull, clicking outside menus (ie.: clientrect) not resolved yet) * [windows/nonclient.c] [controls/scroll.c] Bugs fix in NCTrackScrollBars(). * [misc/dos_fs.c] Bug fix in 'ToDos()' in conversion for '/', (example: '/window/' was translated to 'WINDOWs'). * [miscemu/int21.c] Function ChangeDir() extract possible drive before DOS_ChangeDir(). * [loader/library.c] [loader/wine.c] Playing around moving function GetProcAddress() and put some code in. Mon Apr 4 21:39:07 1994 Alexandre Julliard (julliard@lamisun.epfl.ch) * [misc/main.c] Better explanation of command-line options. * [objects/dib.c] Implemented SetDIBitsToDevice(). * [windows/dc.c] Bug fix in SetDCState(). * [windows/event.c] Removed WS_DISABLED handling (now done in message.c). * [windows/message.c] Added sending a WM_PARENTNOTIFY message in MSG_TranslateMouseMsg(). Use WindowFromPoint() to find the window for mouse events, taking into account disabled windows. * [windows/painting.c] Bug fix in BeginPaint() to allow calling it at other times than on WM_PAINT (Solitaire needs it...) * [windows/win.c] Implemented FindWindow(). Rewritten EnableWindow() to behave more like Windows. * [windows/winpos.c] Rewritten WindowFromPoint() to also search child windows. Mon Apr 4 17:36:32 1994 Erik Bos (erik@trashcan.hacktic.nl) * [include/int21.h] -> [msdos.h] renamed. * [miscemu/int10.h] [miscemu/int25.h] [miscemu/int26.h] new, added for int 10, 25 and 26. * [miscemu/ioports.c] new, added to allow win apps to use ioports. * [loader/signal.c] Added support for in, inb, out, outb instructions. Sun Mar 27 13:40:25 1994 Bob Amstadt (bob@pooh) * controls/menu.c (InsertMenu): Changed to use FindMenuItem(). Sat Mar 26 21:23:55 1994 Bob Amstadt (bob@pooh) * [windows/mdi.c] Window list properly updated. * [windows/message.c] Call WINPOS_ChildActivate() when mouse pressed. * [windows/nonclient.c] Use WINPOS_IsAnActiveWindow() instead of GetActiveWindow() in NC_HandleNCPaint(). * [windows/winpos.c] Created functions WINPOS_IsAnActiveWindow() and WINPOS_ActivateChild() Thu Mar 24 14:49:17 1994 Bob Amstadt (bob@pooh) * controls/menu.c (DeleteMenu): Changed to use FindMenuItem (DeleteMenu): Many bug fixes. * [controls/menu.c] Created function FindMenuItem(). Thu Mar 24 14:17:24 1994 Bob Amstadt (bob@pooh) * [windows/win.c] Removed incorrect MDI handling code from CreateWindowEx(). * [controls/menu.c] MF_STRING items needed to allocate a private copy of string. * [controls/menu.c] Fixed buggy calls to GlobalFree(). * [memory/global.c] Eliminated some redundant code with function call. Wed Mar 23 1994 Pentti Moilanen (pentti.moilanen@ntc.nokia.com) * [windows/timer.c] timer list pointers looped in InsertTimer Tue Mar 29 13:32:08 MET DST 1994 julliard@di.epfl.ch (Alexandre Julliard) * [misc/cursor.c] A few changes for desktop window support. * [misc/main.c] Added -depth option. * [misc/rect.c] Yet another bug fix in SubtractRect(). * [objects/bitmap.c] Changes to use only one depth (specified with -depth) for color bitmaps. * [objects/brush.c] Added support for dithered solid brushes. * [objects/color.c] Use the same 20 system colors as in Windows. System palette initialisation now done in COLOR_InitPalette(). Added support for a color mapping table to map logical color indexes to X colormap entries. Implemented GetNearestColor() and RealizeDefaultPalette(). * [objects/dib.c] Added support for color mapping table. * [objects/dither.c] (New file) Implemented solid color dithering. * [objects/palette.c] Implemented GetSystemPaletteEntries() and SelectPalette(). * [windows/class.c] Make a copy of the menu name in RegisterClass(). * [windows/dc.c] Fixed device caps when using a desktop window. Added support for the color mapping table in DCs. * [windows/event.c] Added ConfigureNotify handler on desktop window. * [windows/message.c] Removed call to XTranslateCoordinates() on every mouse motion New function MSG_Synchronize() to synchronize with the X server. * [windows/syscolor.c] Rewritten SYSCOLOR_Init() to read the system colors from WIN.INI. * [windows/winpos.c] Added synchronization on window mapping. Solves the double redraw problem when starting Solitaire. Mar 27, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte) * [control/menu.c] * [windows/defwnd.c] Make keyboard navigation working with menubar, but temporarely inserted a bug in menubar mouse handling ... :-(( (it will be fix next week !) * [windows/defwnd.c] Connect VK_MENU to menubar navigation. * [loader/library.c] GetModuleHandle() return 'fictive 0xF000+ handles' for built-in DLLs. Sun Mar 20 22:32:13 1994 Erik Bos (erik@trashcan.hacktic.nl) * [misc/main.c] Added Copy(). Added a check for `-h' to show usage. * [misc/dos_fs.c] Fixed bug in FindFile(), to load directories as dlls. * [misc/dos_fs.c] Fixed ToUnix() and ToDos() again, as my previous patch didn't make it. * [misc/dos_fs.c] [miscemu/int21.c] Bug fixes, should be able to handle all winfile and progman int21 requests now except for a few small things. Tue Mar 29 06:25:54 1994 crw@harris.mlb.semi.harris.com (Carl Williams) * [memory/heap.c] Implemented GetFreeSystemResources(). Mon Mar 21 17:32:25 1994 Bob Amstadt (bob@pooh) * controls/menu.c (GetSubMenu): Function did not return correct value * [windows/mdi.c] Beginnings of menu handling. Thu Mar 10 11:32:06 1994 Stefan (SAM) Muenzel (muenzel@tat.physik.uni-tuebingen.de) * [objects/font.c] if font.width equals zero use asterix instead. Mon Mar 21 17:23:37 MET 1994 julliard@di.epfl.ch (Alexandre Julliard) * [objects/bitmap.c] Rewritten bitmap code to use exclusively X pixmaps; *much* faster. * [objects/brush.c] Some changes with pattern brushes because of the new bitmap code. * [objects/color.c] Added function COLOR_ToPhysical for better color mapping. * [objects/dib.c] Heavily optimized SetDIBits(). * [windows/dc.c] Opimized SetDCState() and DC_SetupGC*() functions. Added stub for CreateIC(). Mar 20, 94 martin2@trgcorp.solucorp.qc.ca (Martin Ayotte) * [misc/message.c] Call SetFocus() after closing box to give back focus to previous owner. * [misc/files.c] Small bug fix in GetTempFilename() : replace a '\' to '\\'. * [control/scroll.c] Calls to BitBlt() replace by StretchBlt(). * [control/menu.c] Call SetFocus() to previous owner after closing Popups. Fill stub DeleteMenu(). * [control/listbox.c] * [control/combo.c] Use SetFocus() in WM_LBUTTONDOWN. Close ComboBox List upon WM_KILLFOCUS. Early development of WM_MEASUREITEM mecanism. * [windows/defwnd.c] Early development of WM_MEASUREITEM mecanism. Tue Mar 22 10:44:57 1994 Miguel de Icaza (miguel@xochitl) * [misc/atom.c] Fixed sintaxis problem when building the library. Tue Mar 15 13:11:56 1994 Bob Amstadt (bob@pooh) * [include/windows.h] Added message types and structures for MDI * [include/mdi.h] Created internal structures for handling MDI * [windows/mdi.c] Began creating MDI support Thu Mar 10 16:51:46 1994 Bob Amstadt (bob@pooh) * [loader/wine.c] [include/wine.h] Added new field to "struct w_files" to hold the "name table" resource for Windows 3.0 programs * [loader/resource.c] Added code to handle programs with a "name table" resource. LoadResourceByName() modified to check for the existence of this resource. Mon Mar 14 22:31:42 MET 1994 julliard@di.epfl.ch (Alexandre Julliard) * [objects/color.c] Added installing the private colormap on the desktop window. * [windows/event.c] Cleaned up focus event handling (see focus.c). Use GetFocus() to direct key events to the correct window. * [windows/focus.c] Rewritten SetFocus() to: - only set X focus on top-level windows - send WM_SETFOCUS and WM_KILLFOCUS messages (was done in event.c) - prevent setting focus to disabled windows - install private colormap so -privatemap option works again * [windows/message.c] [windows/timer.c] Changed timer management to no longer use PostMessage(), but to generate timer messages on the fly. Also fixed a related bug in GetMessage() which could cause busy-waiting. * [windows/win.c] Only select focus events on top-level windows. * [windows/winpos.c] Added some sanity checks for desktop window. Fri Mar 4 20:42:01 1994 Erik Bos (erik@trashcan.hacktic.nl) * [misc/dos_fs.c] bug fixes in ToUnix(), WinIniFileName(), GetUnixFileName(). Support for tilde symbol added for rootdirectories in [drives] section of wine's configfile. * [misc/file.c] hread(), hwrite() added. * [misc/main.c] hmemcpy() added. * [if1632/stress.spec] [include/stress.h] [misc/stress.c] Added STRESS.DLL, an useless dll used to stress a windows system. * [*/*] Added missing #includes, fixed prototypes for prototype checking. * [include/prototypes.h] Added prototypes for loader/*c, if1632/*c. Tue Mar 8 09:54:34 1994 Bob Amstadt (bob@pooh) * [Configure] Added reminder to set WINEPATH, if it is not set. * [Imakefile] Removed #elif's * [controls/button.c] Added BN_CLICKED notification for owner-draw buttons. * [if1632/kernel.spec] [memory/heap.c] Changed Local* functions to WIN16_Local* to prevent unconcious use of these functions. * [if1632/relay.c] Push old Stack16Frame on stack before setting. * [include/atom.h] [misc/atom.c] [include/heap.h] [memory/local.c] Added multiple local heap handling in Atom* functions. * [include/regfunc.h] [miscemu/int21.c] Rewrote DOS3Call() use context frame that is already on the stack. * [misc/profile.c] Fixed to allow leading ";" to mark comments. * [misc/spy.c] Fixed bugs and added support for "include" and "exclude" filters. * [misc/user.c] Rearranged calls in InitApp(). * [misc/font.c] Fixed font handling to create system fonts, if they are used. * [windows/dc.c] If text drawn on window with no font specified, then default the font to the system font. Mon Mar 7 20:32:09 MET 1994 julliard@di.epfl.ch (Alexandre Julliard) * [controls/desktop.c] Added handling of WM_NCCREATE and WM_ERASEBKGND functions. Implemented SetDeskPattern(). * [misc/main.c] Added -desktop option to get a large desktop window with everything inside it. Added -name option. * [misc/rect.c] Bug fix in SubtractRect(). * [objects/*.c] Replaced the DefaultRootWindow() macro by the rootWindow variable. * [windows/event.c] [windows/message.c] [windows/nonclient.c] [windows/win.c] A few changes to accomodate the new desktop window. Tue Mar 8 11:13:03 1994 Miguel de Icaza (miguel@xochitl.nuclecu.unam.mx) * [toolkit/arch.c] --New file-- Routines for converting little endian data structures to big-endian data structures, currently only BITMAP structures are converted. * [misc/atom.c] When used as part of the WineLib, the code is much simpler. Doesn't depend on alignement. * [loader/wine.c] Ifdefed Emulator dependent code if compiling WineLib. * [loader/resource.c] Moved misc/resource.c to loader/resource.c. * [loader/dump.c,ldt.c,ldtlib.c,library,c,selector.c,signal.c] Ifdefed whole code if compiling WINELIB. * [include/winsock.h] Added compilation define to allow compilation on SunOS. * [include/wine.h] Removed load_typeinfo and load_nameinfo prototypes, they belong to neexe.h * [include/neexe.h] Added load_typeinfo and load_nameinfo prototypes. * [include/arch.h] Fixed some bugs in the conversion routines. Added macros for Bitmap loading. Tue Mar 8 12:52:05 1994 crw@maniac.mlb.semi.harris.com (Carl Williams) * [if1632/kernel.spec] [memory/global.c] Implemented GetFreeSpace() * [if1632/user.spec] [loader/resource.c] Implemented CreateIcon()
406 lines
10 KiB
C
406 lines
10 KiB
C
/*
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* Window painting 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 <X11/Xlib.h>
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#include "win.h"
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#include "message.h"
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/* Last CTLCOLOR id */
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#define CTLCOLOR_MAX CTLCOLOR_STATIC
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/***********************************************************************
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* BeginPaint (USER.39)
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*/
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HDC BeginPaint( HWND hwnd, LPPAINTSTRUCT lps )
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{
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HRGN hrgnUpdate;
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WND * wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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hrgnUpdate = wndPtr->hrgnUpdate; /* Save update region */
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if (!hrgnUpdate) /* Create an empty region */
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if (!(hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 ))) return 0;
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if (!(lps->hdc = GetDCEx( hwnd, hrgnUpdate,
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DCX_INTERSECTRGN | DCX_USESTYLE ))) return 0;
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GetRgnBox( InquireVisRgn(lps->hdc), &lps->rcPaint );
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if (wndPtr->hrgnUpdate || (wndPtr->flags & WIN_INTERNAL_PAINT))
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MSG_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->hrgnUpdate = 0;
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wndPtr->flags &= ~(WIN_NEEDS_BEGINPAINT | WIN_INTERNAL_PAINT);
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SendMessage( hwnd, WM_NCPAINT, hrgnUpdate, 0 );
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DeleteObject( hrgnUpdate );
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if (!(wndPtr->flags & WIN_ERASE_UPDATERGN)) lps->fErase = TRUE;
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else lps->fErase = !SendMessage( hwnd, WM_ERASEBKGND, lps->hdc, 0 );
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return lps->hdc;
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}
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/***********************************************************************
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* EndPaint (USER.40)
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*/
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void EndPaint( HWND hwnd, LPPAINTSTRUCT lps )
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{
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ReleaseDC( hwnd, lps->hdc );
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}
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/***********************************************************************
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* FillWindow (USER.324)
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*/
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void FillWindow( HWND hwndParent, HWND hwnd, HDC hdc, HBRUSH hbrush )
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{
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RECT rect;
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GetClientRect( hwnd, &rect );
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PaintRect( hwndParent, hwnd, hdc, hbrush, &rect );
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}
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/***********************************************************************
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* PaintRect (USER.325)
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*/
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void PaintRect(HWND hwndParent, HWND hwnd, HDC hdc, HBRUSH hbrush, LPRECT rect)
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{
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/* Send WM_CTLCOLOR message if needed */
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if (hbrush <= CTLCOLOR_MAX)
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{
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if (!hwndParent) return;
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hbrush = (HBRUSH)SendMessage( hwndParent, WM_CTLCOLOR,
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hdc, hwnd | (hbrush << 16) );
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}
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if (hbrush) FillRect( hdc, rect, hbrush );
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}
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/***********************************************************************
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* RedrawWindow (USER.290)
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*/
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BOOL RedrawWindow( HWND hwnd, LPRECT rectUpdate, HRGN hrgnUpdate, UINT flags )
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{
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HRGN tmpRgn, hrgn = 0;
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RECT rectClient, rectWindow;
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WND * wndPtr;
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if (!hwnd) hwnd = GetDesktopWindow();
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
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GetClientRect( hwnd, &rectClient );
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rectWindow = wndPtr->rectWindow;
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OffsetRect(&rectWindow, -wndPtr->rectClient.left, -wndPtr->rectClient.top);
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if (flags & RDW_INVALIDATE) /* Invalidate */
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{
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if (flags & RDW_ERASE) wndPtr->flags |= WIN_ERASE_UPDATERGN;
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if (hrgnUpdate) /* Invalidate a region */
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{
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if (flags & RDW_FRAME) tmpRgn = CreateRectRgnIndirect(&rectWindow);
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else tmpRgn = CreateRectRgnIndirect( &rectClient );
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if (!tmpRgn) return FALSE;
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hrgn = CreateRectRgn( 0, 0, 0, 0 );
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if (CombineRgn( hrgn, hrgnUpdate, tmpRgn, RGN_AND ) == NULLREGION)
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{
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DeleteObject( hrgn );
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hrgn = 0;
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}
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DeleteObject( tmpRgn );
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}
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else /* Invalidate a rectangle */
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{
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RECT rect;
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if (flags & RDW_FRAME)
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{
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if (rectUpdate) IntersectRect( &rect, rectUpdate, &rectWindow);
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else rect = rectWindow;
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}
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else
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{
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if (rectUpdate) IntersectRect( &rect, rectUpdate, &rectClient);
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else rect = rectClient;
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}
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if (!IsRectEmpty(&rect)) hrgn = CreateRectRgnIndirect( &rect );
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}
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/* Set update region */
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if (hrgn)
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{
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if (!wndPtr->hrgnUpdate)
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{
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wndPtr->hrgnUpdate = hrgn;
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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MSG_IncPaintCount( wndPtr->hmemTaskQ );
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}
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else
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{
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tmpRgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( tmpRgn, wndPtr->hrgnUpdate, hrgn, RGN_OR );
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DeleteObject( wndPtr->hrgnUpdate );
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DeleteObject( hrgn );
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wndPtr->hrgnUpdate = tmpRgn;
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}
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}
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flags |= RDW_FRAME; /* Force invalidating the frame of children */
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}
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else if (flags & RDW_VALIDATE) /* Validate */
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{
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if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_ERASE_UPDATERGN;
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if (!(hrgn = CreateRectRgn( 0, 0, 0, 0 ))) return FALSE;
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/* Remove frame from update region */
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if (wndPtr->hrgnUpdate && (flags & RDW_NOFRAME))
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{
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if (!(tmpRgn = CreateRectRgnIndirect( &rectClient )))
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return FALSE;
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if (CombineRgn(hrgn,tmpRgn,wndPtr->hrgnUpdate,RGN_AND) == NULLREGION)
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{
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DeleteObject( hrgn );
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hrgn = 0;
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}
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DeleteObject( tmpRgn );
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DeleteObject( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = hrgn;
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hrgn = CreateRectRgn( 0, 0, 0, 0 );
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}
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/* Set update region */
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if (wndPtr->hrgnUpdate)
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{
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int res;
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if (hrgnUpdate) /* Validate a region */
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{
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res = CombineRgn(hrgn,wndPtr->hrgnUpdate,hrgnUpdate,RGN_DIFF);
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}
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else /* Validate a rectangle */
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{
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if (rectUpdate) tmpRgn = CreateRectRgnIndirect( rectUpdate );
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else tmpRgn = CreateRectRgnIndirect( &rectWindow );
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res = CombineRgn( hrgn, wndPtr->hrgnUpdate, tmpRgn, RGN_DIFF );
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DeleteObject( tmpRgn );
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}
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DeleteObject( wndPtr->hrgnUpdate );
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if (res == NULLREGION)
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{
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DeleteObject( hrgn );
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wndPtr->hrgnUpdate = 0;
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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MSG_DecPaintCount( wndPtr->hmemTaskQ );
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}
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else wndPtr->hrgnUpdate = hrgn;
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}
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}
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/* Set/clear internal paint flag */
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if (flags & RDW_INTERNALPAINT)
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{
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if (!wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT))
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MSG_IncPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags |= WIN_INTERNAL_PAINT;
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}
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else if (flags & RDW_NOINTERNALPAINT)
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{
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if (!wndPtr->hrgnUpdate && (wndPtr->flags & WIN_INTERNAL_PAINT))
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MSG_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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}
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/* Erase/update window */
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if (flags & RDW_UPDATENOW) UpdateWindow( hwnd );
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else if (flags & RDW_ERASENOW)
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{
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HDC hdc = GetDCEx( hwnd, wndPtr->hrgnUpdate,
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DCX_INTERSECTRGN | DCX_USESTYLE );
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if (hdc)
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{
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SendMessage( hwnd, WM_NCPAINT, wndPtr->hrgnUpdate, 0 );
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SendMessage( hwnd, WM_ERASEBKGND, hdc, 0 );
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ReleaseDC( hwnd, hdc );
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}
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}
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/* Recursively process children */
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if (!(flags & RDW_NOCHILDREN) &&
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((flags && RDW_ALLCHILDREN) || (wndPtr->dwStyle & WS_CLIPCHILDREN)))
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{
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if (hrgnUpdate)
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{
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HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
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if (!hrgn) return TRUE;
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for (hwnd = wndPtr->hwndChild; (hwnd); hwnd = wndPtr->hwndNext)
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{
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) break;
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CombineRgn( hrgn, hrgnUpdate, 0, RGN_COPY );
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OffsetRgn( hrgn, -wndPtr->rectClient.left,
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-wndPtr->rectClient.top );
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RedrawWindow( hwnd, NULL, hrgn, flags );
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}
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DeleteObject( hrgn );
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}
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else
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{
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RECT rect;
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for (hwnd = wndPtr->hwndChild; (hwnd); hwnd = wndPtr->hwndNext)
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{
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) break;
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if (rectUpdate)
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{
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rect = *rectUpdate;
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OffsetRect( &rect, -wndPtr->rectClient.left,
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-wndPtr->rectClient.top );
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RedrawWindow( hwnd, &rect, 0, flags );
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}
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else RedrawWindow( hwnd, NULL, 0, flags );
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}
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}
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}
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return TRUE;
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}
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/***********************************************************************
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* UpdateWindow (USER.124)
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*/
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void UpdateWindow( HWND hwnd )
|
|
{
|
|
if (GetUpdateRect( hwnd, NULL, FALSE ))
|
|
{
|
|
if (IsWindowVisible( hwnd )) SendMessage( hwnd, WM_PAINT, 0, 0 );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRgn (USER.126)
|
|
*/
|
|
void InvalidateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
RedrawWindow( hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRect (USER.125)
|
|
*/
|
|
void InvalidateRect( HWND hwnd, LPRECT rect, BOOL erase )
|
|
{
|
|
RedrawWindow( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRgn (USER.128)
|
|
*/
|
|
void ValidateRgn( HWND hwnd, HRGN hrgn )
|
|
{
|
|
RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRect (USER.127)
|
|
*/
|
|
void ValidateRect( HWND hwnd, LPRECT rect )
|
|
{
|
|
RedrawWindow( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRect (USER.190)
|
|
*/
|
|
BOOL GetUpdateRect( HWND hwnd, LPRECT rect, BOOL erase )
|
|
{
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return FALSE;
|
|
|
|
if (rect)
|
|
{
|
|
if (wndPtr->hrgnUpdate)
|
|
{
|
|
HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
|
|
if (GetUpdateRgn( hwnd, hrgn, erase ) == ERROR) return FALSE;
|
|
GetRgnBox( hrgn, rect );
|
|
DeleteObject( hrgn );
|
|
}
|
|
else SetRectEmpty( rect );
|
|
}
|
|
return (wndPtr->hrgnUpdate != 0);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRgn (USER.237)
|
|
*/
|
|
int GetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
HRGN hrgnClip;
|
|
int retval;
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return ERROR;
|
|
|
|
if (!wndPtr->hrgnUpdate)
|
|
{
|
|
if (!(hrgnClip = CreateRectRgn( 0, 0, 0, 0 ))) return ERROR;
|
|
retval = CombineRgn( hrgn, hrgnClip, 0, RGN_COPY );
|
|
}
|
|
else
|
|
{
|
|
hrgnClip = CreateRectRgn( 0, 0,
|
|
wndPtr->rectClient.right-wndPtr->rectClient.left,
|
|
wndPtr->rectClient.bottom-wndPtr->rectClient.top );
|
|
if (!hrgnClip) return ERROR;
|
|
retval = CombineRgn( hrgn, wndPtr->hrgnUpdate, hrgnClip, RGN_AND );
|
|
if (erase)
|
|
{
|
|
HDC hdc = GetDCEx( hwnd, wndPtr->hrgnUpdate,
|
|
DCX_INTERSECTRGN | DCX_USESTYLE );
|
|
if (hdc)
|
|
{
|
|
SendMessage( hwnd, WM_ERASEBKGND, hdc, 0 );
|
|
ReleaseDC( hwnd, hdc );
|
|
}
|
|
}
|
|
}
|
|
DeleteObject( hrgnClip );
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ExcludeUpdateRgn (USER.238)
|
|
*/
|
|
int ExcludeUpdateRgn( HDC hdc, HWND hwnd )
|
|
{
|
|
int retval;
|
|
HRGN hrgn;
|
|
WND * wndPtr;
|
|
|
|
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR;
|
|
if ((hrgn = CreateRectRgn( 0, 0, 0, 0 )) != 0)
|
|
{
|
|
retval = CombineRgn( hrgn, InquireVisRgn(hdc),
|
|
wndPtr->hrgnUpdate, RGN_DIFF );
|
|
if (retval) SelectVisRgn( hdc, hrgn );
|
|
DeleteObject( hrgn );
|
|
}
|
|
return retval;
|
|
}
|