152 lines
3.3 KiB
C
152 lines
3.3 KiB
C
/*
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* Default window procedure
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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/Intrinsic.h>
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#include <X11/Shell.h>
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#include "windows.h"
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#include "win.h"
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#include "class.h"
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#include "user.h"
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/***********************************************************************
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* DefWindowProc (USER.107)
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*/
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LONG DefWindowProc( HWND hwnd, WORD msg, WORD wParam, LONG lParam )
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{
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WND * wndPtr;
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CLASS * classPtr;
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LPSTR textPtr;
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int len;
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#ifdef DEBUG_MESSAGE
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printf( "DefWindowProc: %d %d %d %08x\n", hwnd, msg, wParam, lParam );
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#endif
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switch(msg)
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{
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case WM_NCCREATE:
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{
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CREATESTRUCT * createStruct = (CREATESTRUCT *)lParam;
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wndPtr = WIN_FindWndPtr(hwnd);
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if (createStruct->lpszName)
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{
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/* Allocate space for window text */
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wndPtr->hText = USER_HEAP_ALLOC(GMEM_MOVEABLE,
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strlen(createStruct->lpszName) + 1);
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textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
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strcpy(textPtr, createStruct->lpszName);
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}
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return 1;
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}
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case WM_CREATE:
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return 0;
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case WM_NCDESTROY:
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{
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wndPtr = WIN_FindWndPtr(hwnd);
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if (wndPtr->hText) USER_HEAP_FREE(wndPtr->hText);
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wndPtr->hText = 0;
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return 0;
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}
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case WM_PAINT:
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{
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PAINTSTRUCT paintstruct;
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BeginPaint( hwnd, &paintstruct );
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EndPaint( hwnd, &paintstruct );
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return 0;
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}
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case WM_CLOSE:
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DestroyWindow( hwnd );
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return 0;
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case WM_ERASEBKGND:
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case WM_ICONERASEBKGND:
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{
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 1;
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if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return 1;
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if (!classPtr->wc.hbrBackground) return 1;
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FillWindow( GetParent(hwnd), hwnd, (HDC)wParam,
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classPtr->wc.hbrBackground );
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return 0;
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}
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case WM_GETDLGCODE:
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return 0;
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case WM_CTLCOLOR:
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{
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if (HIWORD(lParam) == CTLCOLOR_SCROLLBAR)
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{
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SetBkColor( (HDC)wParam, RGB(255, 255, 255) );
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SetTextColor( (HDC)wParam, RGB(0, 0, 0) );
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/* hbr = sysClrObjects.hbrScrollbar;
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UnrealizeObject(hbr); */
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return GetStockObject(LTGRAY_BRUSH);
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}
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else
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{
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SetBkColor( (HDC)wParam, GetSysColor(COLOR_WINDOW) );
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SetTextColor( (HDC)wParam, GetSysColor(COLOR_WINDOWTEXT) );
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/* hbr = sysClrObjects.hbrWindow; */
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return GetStockObject(WHITE_BRUSH);
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}
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}
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case WM_GETTEXT:
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{
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if (wParam)
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{
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wndPtr = WIN_FindWndPtr(hwnd);
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if (wndPtr->hText)
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{
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textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
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if ((int)wParam > (len = strlen(textPtr)))
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{
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strcpy((char *)lParam, textPtr);
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return (DWORD)len;
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}
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}
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lParam = (DWORD)NULL;
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}
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return (0L);
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}
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case WM_GETTEXTLENGTH:
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{
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wndPtr = WIN_FindWndPtr(hwnd);
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if (wndPtr->hText)
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{
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textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
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return (DWORD)strlen(textPtr);
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}
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return (0L);
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}
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case WM_SETTEXT:
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{
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wndPtr = WIN_FindWndPtr(hwnd);
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if (wndPtr->hText)
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USER_HEAP_FREE(wndPtr->hText);
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wndPtr->hText = USER_HEAP_ALLOC(GMEM_MOVEABLE,
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strlen((LPSTR)lParam) + 1);
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textPtr = (LPSTR)USER_HEAP_ADDR(wndPtr->hText);
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strcpy(textPtr, (LPSTR)lParam);
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if (wndPtr->shellWidget)
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XtVaSetValues( wndPtr->shellWidget, XtNtitle, textPtr, NULL );
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return (0L);
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}
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}
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return 0;
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}
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