rosapps/templates/dialog/page1.c

   1 /*
   2  *  ReactOS Standard Dialog Application Template
   3  *
   4  *  page1.c
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <tchar.h>
  27 #include <assert.h>
  28 #include "resource.h"
  29 #include "trace.h"
  30
  31
  32 #define XBITMAP 80
  33 #define YBITMAP 20
  34
  35 #define BUFFER_LEN MAX_PATH
  36
  37 extern HINSTANCE hInst;
  38
  39 HBITMAP hbmpPicture;
  40 HBITMAP hbmpOld;
  41
  42
  43 ////////////////////////////////////////////////////////////////////////////////
  44
  45 static TCHAR* items[] = {
  46     _T("services"),
  47     _T("event log"),
  48     _T("workstation"),
  49     _T("server")
  50 };
  51
  52 static void InitListCtrl(HWND hDlg)
  53 {
  54     TCHAR szBuffer[200];
  55     int i;
  56
  57     HWND hListBox = GetDlgItem(hDlg, IDC_LIST1);
  58
  59     _tcscpy(szBuffer, _T("foobar item"));
  60     SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szBuffer);
  61
  62     for (i = 0; i < sizeof(items)/sizeof(items[0]); i++) {
  63         _tcscpy(szBuffer, items[i]);
  64         SendMessage(hListBox, LB_ADDSTRING, 0, (LPARAM)szBuffer);
  65     }
  66
  67     SetFocus(hListBox);
  68     SendMessage(hListBox, LB_SETCURSEL, 0, 0);
  69 }
  70
  71 static void OnDrawItem(HWND hWnd, LPARAM lParam)
  72 {
  73 //    int nItem;
  74     TCHAR tchBuffer[BUFFER_LEN];
  75 //    HBITMAP hbmp;
  76     TEXTMETRIC tm;
  77     int y;
  78     HDC hdcMem;
  79     LPDRAWITEMSTRUCT lpdis;
  80     RECT rcBitmap;
  81
  82     lpdis = (LPDRAWITEMSTRUCT)lParam;
  83     // If there are no list box items, skip this message.
  84     if (lpdis->itemID != -1) {
  85         // Draw the bitmap and text for the list box item. Draw a rectangle around the bitmap if it is selected.
  86         switch (lpdis->itemAction) {
  87         case ODA_SELECT:
  88         case ODA_DRAWENTIRE:
  89             // Display the bitmap associated with the item.
  90             hbmpPicture = (HBITMAP)SendMessage(lpdis->hwndItem, LB_GETITEMDATA, lpdis->itemID, (LPARAM)0);
  91             hdcMem = CreateCompatibleDC(lpdis->hDC);
  92             hbmpOld = SelectObject(hdcMem, hbmpPicture);
  93             BitBlt(lpdis->hDC,
  94                    lpdis->rcItem.left, lpdis->rcItem.top,
  95                    lpdis->rcItem.right - lpdis->rcItem.left,
  96                    lpdis->rcItem.bottom - lpdis->rcItem.top,
  97                    hdcMem, 0, 0, SRCCOPY);
  98             // Display the text associated with the item.
  99             SendMessage(lpdis->hwndItem, LB_GETTEXT, lpdis->itemID, (LPARAM)tchBuffer);
 100             GetTextMetrics(lpdis->hDC, &tm);
 101             y = (lpdis->rcItem.bottom + lpdis->rcItem.top - tm.tmHeight) / 2;
 102             TextOut(lpdis->hDC, XBITMAP + 6, y, tchBuffer, _tcslen(tchBuffer));
 103             SelectObject(hdcMem, hbmpOld);
 104             DeleteDC(hdcMem);
 105             // Is the item selected?
 106             if (lpdis->itemState & ODS_SELECTED) {
 107                 // Set RECT coordinates to surround only the bitmap.
 108                 rcBitmap.left = lpdis->rcItem.left;
 109                 rcBitmap.top = lpdis->rcItem.top;
 110                 rcBitmap.right = lpdis->rcItem.left + XBITMAP;
 111                 rcBitmap.bottom = lpdis->rcItem.top + YBITMAP;
 112                 // Draw a rectangle around bitmap to indicate the selection.
 113                 DrawFocusRect(lpdis->hDC, &rcBitmap);
 114             }
 115             break;
 116         case ODA_FOCUS:
 117             // Do not process focus changes. The focus caret (outline rectangle)
 118             // indicates the selection. The IDOK button indicates the final selection.
 119             break;
 120         }
 121     }
 122 }
 123
 124
 125 void OnSetFont(HWND hWnd, WPARAM wParam, LPARAM lParam)
 126 {
 127         RECT rc;
 128         WINDOWPOS wp;
 129
 130         GetWindowRect(hWnd, &rc);
 131         wp.hwnd = hWnd;
 132         wp.cx = rc.right - rc.left;
 133         wp.cy = rc.bottom - rc.top;
 134         wp.flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER;
 135         SendMessage(hWnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)&wp);
 136 }
 137
 138 void OnMeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
 139 {
 140     HFONT hFont;
 141         LOGFONT lf;
 142
 143     hFont = GetStockObject(SYSTEM_FONT);
 144     GetObject(hFont, sizeof(LOGFONT), &lf);
 145         if (lf.lfHeight < 0)
 146                 lpMeasureItemStruct->itemHeight = -lf.lfHeight;
 147         else
 148                 lpMeasureItemStruct->itemHeight = lf.lfHeight;
 149 }
 150
 151 LRESULT CALLBACK PageWndProc1(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
 152 {
 153     switch (message) {
 154     case WM_INITDIALOG:
 155         InitListCtrl(hDlg);
 156         return TRUE;
 157     case WM_SETFONT:
 158         OnSetFont(hDlg, wParam, lParam);
 159         return TRUE;
 160     case WM_MEASUREITEM:
 161         OnMeasureItem((LPMEASUREITEMSTRUCT)lParam);
 162         return TRUE;
 163     case WM_DRAWITEM:
 164         OnDrawItem(hDlg, lParam);
 165         return TRUE;
 166     case WM_COMMAND:
 167         switch (LOWORD(wParam)) {
 168         case IDOK:
 169         case IDCANCEL:
 170             break;
 171         }
 172         break;
 173     }
 174     return 0;
 175 }
 176
 177 ////////////////////////////////////////////////////////////////////////////////