267 lines
6.4 KiB
C
267 lines
6.4 KiB
C
/*
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* Static control
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*
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* Copyright David W. Metcalfe, 1993
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*
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*/
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static char Copyright[] = "Copyright David W. Metcalfe, 1993";
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#include <windows.h>
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#include "win.h"
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#include "user.h"
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LONG StaticWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);
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static LONG PaintTextfn(HWND hwnd);
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static LONG PaintRectfn(HWND hwnd);
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static LONG PaintFramefn(HWND hwnd);
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static COLORREF color_windowframe, color_background, color_window,
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color_windowtext;
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#define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
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SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
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GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
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#define DIM(array) ((sizeof array)/(sizeof array[0]))
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typedef struct
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{
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LONG (*paintfn)();
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} STATICFN;
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#define MAX_STATIC_TYPE 12
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static STATICFN staticfn[MAX_STATIC_TYPE] =
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{
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{ (LONG(*)())PaintTextfn }, /* SS_LEFT */
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{ (LONG(*)())PaintTextfn }, /* SS_CENTER */
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{ (LONG(*)())PaintTextfn }, /* SS_RIGHT */
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{ (LONG(*)())NULL }, /* SS_ICON */
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{ (LONG(*)())PaintRectfn }, /* SS_BLACKRECT */
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{ (LONG(*)())PaintRectfn }, /* SS_GRAYRECT */
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{ (LONG(*)())PaintRectfn }, /* SS_WHITERECT */
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{ (LONG(*)())PaintFramefn }, /* SS_BLACKFRAME */
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{ (LONG(*)())PaintFramefn }, /* SS_GRAYFRAME */
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{ (LONG(*)())PaintFramefn }, /* SS_WHITEFRAME */
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{ (LONG(*)())PaintTextfn }, /* SS_SIMPLE */
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{ (LONG(*)())PaintTextfn } /* SS_LEFTNOWORDWRAP */
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};
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LONG StaticWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
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{
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LONG lResult = 0;
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HDC hDC;
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RECT rc;
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LPSTR textPtr;
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WND *wndPtr = WIN_FindWndPtr(hWnd);
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LONG style = wndPtr->dwStyle & 0x0000000F;
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switch (uMsg) {
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case WM_ENABLE:
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InvalidateRect(hWnd, NULL, FALSE);
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break;
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case WM_CREATE:
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if (style < 0L || style >= (LONG)DIM(staticfn))
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lResult = -1L;
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else
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{
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/* initialise colours */
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color_windowframe = GetSysColor(COLOR_WINDOWFRAME);
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color_background = GetSysColor(COLOR_BACKGROUND);
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color_window = GetSysColor(COLOR_WINDOW);
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color_windowtext = GetSysColor(COLOR_WINDOWTEXT);
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lResult = 0L;
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}
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break;
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case WM_PAINT:
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if (staticfn[style].paintfn)
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(staticfn[style].paintfn)(hWnd);
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break;
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case WM_SYSCOLORCHANGE:
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color_windowframe = GetSysColor(COLOR_WINDOWFRAME);
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color_background = GetSysColor(COLOR_BACKGROUND);
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color_window = GetSysColor(COLOR_WINDOW);
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color_windowtext = GetSysColor(COLOR_WINDOWTEXT);
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InvalidateRect(hWnd, NULL, TRUE);
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break;
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case WM_SETTEXT:
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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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InvalidateRect(hWnd, NULL, TRUE);
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break;
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default:
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lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
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break;
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}
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GlobalUnlock(hWnd);
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return lResult;
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}
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static LONG PaintTextfn(HWND hwnd)
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{
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PAINTSTRUCT ps;
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RECT rc;
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HDC hdc;
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HBRUSH hBrush;
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HANDLE hText;
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char *text;
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int textlen;
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WORD wFormat;
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WND *wndPtr = WIN_FindWndPtr(hwnd);
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LONG style = wndPtr->dwStyle;
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hdc = BeginPaint(hwnd, &ps);
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GetClientRect(hwnd, &rc);
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textlen = GetWindowTextLength(hwnd);
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hText = LocalAlloc(LMEM_MOVEABLE, textlen+1);
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text = LocalLock(hText);
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GetWindowText(hwnd, text, textlen+1);
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switch (style & 0x0000000F)
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{
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case SS_LEFT:
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wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK;
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break;
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case SS_CENTER:
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wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK;
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break;
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case SS_RIGHT:
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wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK;
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break;
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case SS_SIMPLE:
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wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER;
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break;
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case SS_LEFTNOWORDWRAP:
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wFormat = DT_LEFT | DT_SINGLELINE | DT_EXPANDTABS | DT_VCENTER;
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break;
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}
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if (style & SS_NOPREFIX)
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wFormat |= DT_NOPREFIX;
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hBrush = SendMessage(GetParent(hwnd), WM_CTLCOLOR, (WORD)hdc,
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MAKELONG(hwnd, CTLCOLOR_STATIC));
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if (hBrush == (HBRUSH)NULL) hBrush = GetStockObject(WHITE_BRUSH);
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FillRect(hdc, &rc, hBrush);
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DrawText(hdc, text, textlen, &rc, wFormat);
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LocalUnlock(hText);
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LocalFree(hText);
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GlobalUnlock(hwnd);
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EndPaint(hwnd, &ps);
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}
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static LONG PaintRectfn(HWND hwnd)
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{
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PAINTSTRUCT ps;
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RECT rc;
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HDC hdc;
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HPEN hOldPen, hPen;
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HBRUSH hOldBrush, hBrush;
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WND *wndPtr = WIN_FindWndPtr(hwnd);
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hdc = BeginPaint(hwnd, &ps);
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GetClientRect(hwnd, &rc);
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switch (wndPtr->dwStyle & 0x0000000F)
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{
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case SS_BLACKRECT:
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hPen = CreatePen(PS_SOLID, 1, color_windowframe);
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hBrush = CreateSolidBrush(color_windowframe);
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break;
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case SS_GRAYRECT:
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hPen = CreatePen(PS_SOLID, 1, color_background);
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hBrush = CreateSolidBrush(color_background);
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break;
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case SS_WHITERECT:
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hPen = CreatePen(PS_SOLID, 1, color_window);
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hBrush = CreateSolidBrush(color_window);
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break;
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}
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hOldPen = (HPEN)SelectObject(hdc, (HANDLE)hPen);
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hOldBrush = (HBRUSH)SelectObject(hdc, (HANDLE)hBrush);
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Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
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SelectObject(hdc, (HANDLE)hOldPen);
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SelectObject(hdc, (HANDLE)hOldBrush);
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DeleteObject((HANDLE)hPen);
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DeleteObject((HANDLE)hBrush);
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GlobalUnlock(hwnd);
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EndPaint(hwnd, &ps);
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}
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static LONG PaintFramefn(HWND hwnd)
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{
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PAINTSTRUCT ps;
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RECT rc;
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HDC hdc;
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HPEN hOldPen, hPen;
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HBRUSH hOldBrush, hBrush;
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WND *wndPtr = WIN_FindWndPtr(hwnd);
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hdc = BeginPaint(hwnd, &ps);
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GetClientRect(hwnd, &rc);
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switch (wndPtr->dwStyle & 0x0000000F)
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{
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case SS_BLACKFRAME:
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hPen = CreatePen(PS_SOLID, 1, color_windowframe);
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break;
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case SS_GRAYFRAME:
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hPen = CreatePen(PS_SOLID, 1, color_background);
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break;
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case SS_WHITEFRAME:
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hPen = CreatePen(PS_SOLID, 1, color_window);
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break;
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}
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hBrush = CreateSolidBrush(color_window);
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hOldPen = (HPEN)SelectObject(hdc, (HANDLE)hPen);
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hOldBrush = (HBRUSH)SelectObject(hdc, (HANDLE)hBrush);
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Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom);
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SelectObject(hdc, (HANDLE)hOldPen);
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SelectObject(hdc, (HANDLE)hOldBrush);
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DeleteObject((HANDLE)hPen);
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DeleteObject((HANDLE)hBrush);
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GlobalUnlock(hwnd);
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EndPaint(hwnd, &ps);
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}
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