| 1 | /* $Id: dcrgn.cpp,v 1.1 2001-05-11 08:36:25 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * DC functions for USER32
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| 5 | *
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| 6 | * Project Odin Software License can be found in LICENSE.TXT
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| 7 | *
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| 8 | */
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| 9 |
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| 10 | /*****************************************************************************
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| 11 | * Includes *
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| 12 | *****************************************************************************/
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| 13 |
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| 14 | #include <odin.h>
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| 15 |
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| 16 | #define INCL_WIN
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| 17 | #define INCL_GPI
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| 18 | #define INCL_GREALL
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| 19 | #define INCL_DEV
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| 20 | #include <os2wrap.h>
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| 21 | //#include <pmddi.h>
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| 22 | #include <stdlib.h>
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| 23 |
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| 24 | #include <string.h>
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| 25 | #include <win32type.h>
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| 26 | #include <win32api.h>
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| 27 | #include <winconst.h>
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| 28 | #include <misc.h>
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| 29 | #include <win32wbase.h>
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| 30 | #include <math.h>
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| 31 | #include <limits.h>
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| 32 | #include "oslibwin.h"
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| 33 | #include "oslibmsg.h"
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| 34 | #include <dcdata.h>
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| 35 | #include <objhandle.h>
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| 36 | #include <wingdi32.h>
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| 37 |
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| 38 | #define INCLUDED_BY_DC
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| 39 | #include "dc.h"
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| 40 |
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| 41 | #define DBG_LOCALLOG DBG_dcrgn
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| 42 | #include "dbglocal.h"
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| 43 |
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| 44 | //******************************************************************************
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| 45 | //******************************************************************************
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| 46 | BOOL WIN32API GetUpdateRect(HWND hwnd, LPRECT pRect, BOOL erase)
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| 47 | {
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| 48 | if (!hwnd)
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| 49 | {
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| 50 | dprintf(("GetUpdateRect %x %x %d -> invalid handle!!", hwnd, pRect, erase));
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| 51 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 52 | return FALSE;
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| 53 | }
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| 54 |
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| 55 | RECTL rectl, rectlClient;
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| 56 | Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
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| 57 |
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| 58 | if (!wnd)
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| 59 | {
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| 60 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 61 | dprintf(("GetUpdateRect %x %x %d -> invalid handle!!", hwnd, pRect, erase));
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| 62 | return FALSE;
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| 63 | }
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| 64 |
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| 65 | dprintf(("GetUpdateRect %x %x %d", hwnd, pRect, erase));
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| 66 |
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| 67 | BOOL updateRegionExists = WinQueryUpdateRect (wnd->getOS2WindowHandle(), pRect ? &rectl : NULL);
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| 68 | if (!pRect) {
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| 69 | return (updateRegionExists);
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| 70 | }
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| 71 |
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| 72 | if(updateRegionExists)
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| 73 | {
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| 74 | //CB: for PM empty rect is valid
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| 75 | if ((rectl.xLeft == rectl.xRight) || (rectl.yTop == rectl.yBottom)) {
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| 76 | if(pRect) {
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| 77 | pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
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| 78 | }
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| 79 | return FALSE;
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| 80 | }
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| 81 | mapWin32ToOS2Rect(wnd->getWindowHeight(), wnd->getClientRectPtr(), (PRECTLOS2)&rectlClient);
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| 82 | WinIntersectRect(NULL, &rectl, &rectl, &rectlClient);
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| 83 | mapOS2ToWin32RectFrameToClient(wnd, (PRECTLOS2)&rectl, pRect);
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| 84 |
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| 85 | if(wnd->isOwnDC() && GetMapMode(wnd->getOwnDC()) != MM_TEXT_W)
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| 86 | {
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| 87 | DPtoLP(wnd->getOwnDC(), (LPPOINT)pRect, 2);
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| 88 | }
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| 89 | if (erase)
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| 90 | sendEraseBkgnd (wnd);
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| 91 | }
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| 92 | else
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| 93 | {
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| 94 | if(pRect) {
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| 95 | pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
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| 96 | }
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| 97 | }
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| 98 |
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| 99 | return updateRegionExists;
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| 100 | }
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| 101 | //******************************************************************************
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| 102 | //******************************************************************************
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| 103 | BOOL GetOS2UpdateRect(Win32BaseWindow *window, LPRECT pRect)
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| 104 | {
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| 105 | RECTL rectl;
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| 106 | BOOL updateRegionExists = WinQueryUpdateRect(window->getOS2WindowHandle(),pRect ? &rectl:NULL);
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| 107 |
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| 108 | if (!pRect)
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| 109 | return (updateRegionExists);
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| 110 |
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| 111 | if (updateRegionExists)
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| 112 | {
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| 113 | //CB: for PM empty rect is valid
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| 114 | if ((rectl.xLeft == rectl.xRight) || (rectl.yTop == rectl.yBottom)) return FALSE;
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| 115 | mapOS2ToWin32Rect(window->getWindowHeight(), (PRECTLOS2)&rectl,pRect);
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| 116 | }
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| 117 | else
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| 118 | pRect->left = pRect->top = pRect->right = pRect->bottom = 0;
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| 119 |
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| 120 | return updateRegionExists;
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| 121 | }
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| 122 | //******************************************************************************
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| 123 | //TODO: Seems to return region in window coordinates instead of client coordinates
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| 124 | //******************************************************************************
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| 125 | int WIN32API GetUpdateRgn(HWND hwnd, HRGN hrgn, BOOL erase)
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| 126 | {
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| 127 | LONG lComplexity;
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| 128 | Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
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| 129 |
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| 130 | hrgn = ObjWinToOS2Region(hrgn);
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| 131 | if(!wnd || !hrgn)
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| 132 | {
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| 133 | dprintf(("WARNING: GetUpdateRgn %x %x %d; invalid handle", hwnd, hrgn, erase));
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| 134 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 135 | return ERROR_W;
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| 136 | }
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| 137 | lComplexity = WinQueryUpdateRegion(wnd->getOS2WindowHandle(), hrgn);
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| 138 | if(lComplexity == RGN_ERROR) {
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| 139 | dprintf(("WARNING: GetUpdateRgn %x %x %d; RGN_ERROR", hwnd, hrgn, erase));
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| 140 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 141 | return ERROR_W;
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| 142 | }
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| 143 |
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| 144 | if(lComplexity != RGN_NULL)
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| 145 | {
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| 146 | if(!setWinDeviceRegionFromPMDeviceRegion(hrgn, hrgn, NULL, wnd->getOS2WindowHandle()))
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| 147 | {
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| 148 | dprintf(("WARNING: GetUpdateRgn %x %x %d; setWinDeviceRegionFromPMDeviceRegion failed!", hwnd, hrgn, erase));
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| 149 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 150 | return ERROR_W;
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| 151 | }
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| 152 |
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| 153 | if(erase) sendEraseBkgnd(wnd);
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| 154 | }
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| 155 |
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| 156 | return lComplexity;
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| 157 | }
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| 158 | //******************************************************************************
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| 159 | //TODO: Check
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| 160 | //******************************************************************************
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| 161 | INT WIN32API ExcludeUpdateRgn(HDC hdc, HWND hwnd)
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| 162 | {
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| 163 | Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hwnd);
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| 164 | pDCData pHps = (pDCData)GpiQueryDCData((HPS)hdc);
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| 165 | LONG lComplexity;
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| 166 |
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| 167 | if(!wnd || !pHps)
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| 168 | {
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| 169 | dprintf(("WARNING: ExcludeUpdateRgn %x %x; invalid handle", hdc, hwnd));
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| 170 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 171 | return ERROR_W;
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| 172 | }
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| 173 | dprintf(("USER32: ExcludeUpdateRgn %x %x", hdc, hwnd));
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| 174 |
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| 175 | lComplexity = WinExcludeUpdateRegion(pHps->hps, wnd->getOS2WindowHandle());
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| 176 | if(lComplexity == RGN_ERROR) {
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| 177 | SetLastError(ERROR_INVALID_HANDLE_W); //todo: correct error
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| 178 | }
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| 179 | else SetLastError(ERROR_SUCCESS_W);
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| 180 | return lComplexity; // windows and PM values are identical
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| 181 | }
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| 182 | /*****************************************************************************
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| 183 | * Name : int WIN32API GetWindowRgn
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| 184 | * Purpose : The GetWindowRgn function obtains a copy of the window region of a window.
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| 185 | * Parameters: HWND hWnd handle to window whose window region is to be obtained
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| 186 | * HRGN hRgn handle to region that receives a copy of the window region
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| 187 | * Variables :
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| 188 | * Result : NULLREGION, SIMPLEREGION, COMPLEXREGION, ERROR
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| 189 | * Remark :
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| 190 | * Status : UNTESTED STUB
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| 191 | *
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| 192 | * Author : Patrick Haller [Thu, 1998/02/26 11:55]
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| 193 | *****************************************************************************/
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| 194 |
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| 195 | int WIN32API GetWindowRgn(HWND hwnd, HRGN hRgn)
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| 196 | {
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| 197 | Win32BaseWindow *window;
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| 198 | HRGN hWindowRegion;
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| 199 |
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| 200 | window = Win32BaseWindow::GetWindowFromHandle(hwnd);
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| 201 | if(!window) {
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| 202 | dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
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| 203 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 204 | return 0;
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| 205 | }
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| 206 | dprintf(("USER32:GetWindowRgn (%x,%x)", hwnd, hRgn));
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| 207 | hWindowRegion = window->GetWindowRegion();
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| 208 |
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| 209 | return CombineRgn(hRgn, hWindowRegion, 0, RGN_COPY_W);
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| 210 | }
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| 211 | /*****************************************************************************
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| 212 | * Name : int WIN32API SetWindowRgn
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| 213 | * Purpose : The SetWindowRgn function sets the window region of a window. The
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| 214 | * window region determines the area within the window where the
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| 215 | * operating system permits drawing. The operating system does not
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| 216 | * display any portion of a window that lies outside of the window region
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| 217 | * When this function is called, the system sends the WM_WINDOWPOSCHANGING and
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| 218 | * WM_WINDOWPOSCHANGED messages to the window.
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| 219 | *
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| 220 | * Parameters: HWND hWnd handle to window whose window region is to be set
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| 221 | * HRGN hRgn handle to region
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| 222 | * BOOL bRedraw window redraw flag
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| 223 | * Variables :
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| 224 | * Result : If the function succeeds, the return value is non-zero.
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| 225 | * If the function fails, the return value is zero.
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| 226 | * Remark :
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| 227 | * Status : UNTESTED STUB
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| 228 | *
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| 229 | * Author : Patrick Haller [Thu, 1998/02/26 11:55]
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| 230 | *****************************************************************************/
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| 231 |
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| 232 | int WIN32API SetWindowRgn(HWND hwnd,
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| 233 | HRGN hRgn,
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| 234 | BOOL bRedraw)
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| 235 | {
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| 236 | Win32BaseWindow *window;
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| 237 | HRGN hWindowRegion;
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| 238 |
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| 239 | window = Win32BaseWindow::GetWindowFromHandle(hwnd);
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| 240 | if(!window) {
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| 241 | dprintf(("SetWindowContextHelpId, window %x not found", hwnd));
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| 242 | SetLastError(ERROR_INVALID_WINDOW_HANDLE_W);
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| 243 | return 0;
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| 244 | }
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| 245 | dprintf(("USER32:SetWindowRgn (%x,%x,%d)", hwnd, hRgn, bRedraw));
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| 246 | if(window->GetWindowRegion()) {
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| 247 | DeleteObject(window->GetWindowRegion());
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| 248 | }
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| 249 | window->SetWindowRegion(hRgn);
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| 250 | if(bRedraw) {
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| 251 | RedrawWindow(hwnd, 0, 0, RDW_UPDATENOW_W);
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| 252 | }
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| 253 | //TODO:
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| 254 | // When this function is called, the system sends the WM_WINDOWPOSCHANGING and
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| 255 | // WM_WINDOWPOSCHANGED messages to the window.
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| 256 | return 1;
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| 257 | }
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| 258 | //******************************************************************************
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| 259 | //******************************************************************************
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