windows/msgbox.c

   1 /*
   2  * Message boxes
   3  *
   4  * Copyright 1995 Bernd Schmidt
   5  *
   6  */
   7
   8 #include "windows.h"
   9 #include "dlgs.h"
  10 #include "global.h"
  11 #include "selectors.h"
  12 #include "alias.h"
  13 #include "relay32.h"
  14 #include "../rc/sysres.h"
  15 #include "task.h"
  16
  17 typedef struct {
  18   LPSTR title;
  19   LPSTR text;
  20   WORD  type;
  21 } MSGBOX, *LPMSGBOX;
  22
  23 LONG SystemMessageBoxProc(HWND hwnd, WORD message, WORD wParam, LONG lParam)
  24 {
  25   LPMSGBOX lpmb;
  26   RECT rect, textrect;
  27   HWND hItem;
  28   HDC hdc;
  29   LONG lRet;
  30   int i, buttons, bwidth, bheight, theight, wwidth, bpos;
  31   int borheight, iheight, tiheight;
  32
  33   switch(message) {
  34    case WM_INITDIALOG:
  35     lpmb = (LPMSGBOX)lParam;
  36     if (lpmb->title != NULL) {
  37       SetWindowText(hwnd, lpmb->title);
  38     }
  39     SetWindowText(GetDlgItem(hwnd, 100), lpmb->text);
  40     /* Hide not selected buttons */
  41     switch(lpmb->type & MB_TYPEMASK) {
  42      case MB_OK:
  43       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  44       /* fall through */
  45      case MB_OKCANCEL:
  46       ShowWindow(GetDlgItem(hwnd, 3), SW_HIDE);
  47       ShowWindow(GetDlgItem(hwnd, 4), SW_HIDE);
  48       ShowWindow(GetDlgItem(hwnd, 5), SW_HIDE);
  49       ShowWindow(GetDlgItem(hwnd, 6), SW_HIDE);
  50       ShowWindow(GetDlgItem(hwnd, 7), SW_HIDE);
  51       break;
  52      case MB_ABORTRETRYIGNORE:
  53       ShowWindow(GetDlgItem(hwnd, 1), SW_HIDE);
  54       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  55       ShowWindow(GetDlgItem(hwnd, 6), SW_HIDE);
  56       ShowWindow(GetDlgItem(hwnd, 7), SW_HIDE);
  57       break;
  58      case MB_YESNO:
  59       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  60       /* fall through */
  61      case MB_YESNOCANCEL:
  62       ShowWindow(GetDlgItem(hwnd, 1), SW_HIDE);
  63       ShowWindow(GetDlgItem(hwnd, 3), SW_HIDE);
  64       ShowWindow(GetDlgItem(hwnd, 4), SW_HIDE);
  65       ShowWindow(GetDlgItem(hwnd, 5), SW_HIDE);
  66       break;
  67     }
  68     /* Set the icon */
  69     switch(lpmb->type & MB_ICONMASK) {
  70      case MB_ICONEXCLAMATION:
  71       SendDlgItemMessage(hwnd, stc1, STM_SETICON, LoadIcon(0, IDI_EXCLAMATION), 0);
  72       break;
  73      case MB_ICONQUESTION:
  74       SendDlgItemMessage(hwnd, stc1, STM_SETICON, LoadIcon(0, IDI_QUESTION), 0);
  75       break;
  76      case MB_ICONASTERISK:
  77       SendDlgItemMessage(hwnd, stc1, STM_SETICON, LoadIcon(0, IDI_ASTERISK), 0);
  78       break;
  79      case MB_ICONHAND:
  80      default:
  81       SendDlgItemMessage(hwnd, stc1, STM_SETICON, LoadIcon(0, IDI_HAND), 0);
  82       break;
  83     }
  84
  85     /* Position everything */
  86     GetWindowRect(hwnd, &rect);
  87     borheight = rect.bottom - rect.top;
  88     wwidth = rect.right - rect.left;
  89     GetClientRect(hwnd, &rect);
  90     borheight -= rect.bottom - rect.top;
  91
  92     /* Get the icon height */
  93     GetWindowRect(GetDlgItem(hwnd, 1088), &rect);
  94     iheight = rect.bottom - rect.top;
  95
  96     /* Get the number of visible buttons and their width */
  97     GetWindowRect(GetDlgItem(hwnd, 2), &rect);
  98     bheight = rect.bottom - rect.top;
  99     bwidth = rect.left;
 100     GetWindowRect(GetDlgItem(hwnd, 1), &rect);
 101     bwidth -= rect.left;
 102     for (buttons = 0, i = 1; i < 8; i++) {
 103       hItem = GetDlgItem(hwnd, i);
 104       if (GetWindowLong(hItem, GWL_STYLE) & WS_VISIBLE) {
 105         buttons++;
 106       }
 107     }
 108
 109     /* Get the text size */
 110     hItem = GetDlgItem(hwnd, 100);
 111     GetWindowRect(hItem, &textrect);
 112     MapWindowPoints(0, hwnd, (LPPOINT)&textrect, 2);
 113
 114     GetClientRect(hItem, &rect);
 115     hdc = GetDC(hItem);
 116     lRet = DrawText(hdc, lpmb->text, -1, &rect,
 117                     DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_CALCRECT);
 118     theight = rect.bottom  - rect.top;
 119     tiheight = 16 + max(iheight, theight);
 120     ReleaseDC(hItem, hdc);
 121
 122     /* Position the text */
 123     SetWindowPos(hItem, 0, textrect.left, (tiheight - theight) / 2,
 124                  rect.right - rect.left, theight,
 125                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 126
 127     /* Position the icon */
 128     hItem = GetDlgItem(hwnd, 1088);
 129     GetWindowRect(hItem, &rect);
 130     MapWindowPoints(0, hwnd, (LPPOINT)&rect, 2);
 131     SetWindowPos(hItem, 0, rect.left, (tiheight - iheight) / 2, 0, 0,
 132                  SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 133
 134     /* Resize the window */
 135     SetWindowPos(hwnd, 0, 0, 0, wwidth, 8 + tiheight + bheight + borheight,
 136                  SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 137
 138     /* Position the buttons */
 139     bpos = (wwidth - bwidth * buttons) / 2;
 140     GetWindowRect(GetDlgItem(hwnd, 1), &rect);
 141     for (buttons = i = 0; i < 7; i++) {
 142       /* some arithmetic to get the right order for YesNoCancel windows */
 143       hItem = GetDlgItem(hwnd, (i + 5) % 7 + 1);
 144       if (GetWindowLong(hItem, GWL_STYLE) & WS_VISIBLE) {
 145         if (buttons++ == ((lpmb->type & MB_DEFMASK) >> 8)) {
 146           SetFocus(hItem);
 147           SendMessage(hItem, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
 148         }
 149         SetWindowPos(hItem, 0, bpos, tiheight, 0, 0,
 150                      SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 151         bpos += bwidth;
 152       }
 153     }
 154     return 0;
 155     break;
 156
 157    case WM_COMMAND:
 158     switch (wParam) {
 159      case IDOK:
 160      case IDCANCEL:
 161      case IDABORT:
 162      case IDRETRY:
 163      case IDIGNORE:
 164      case IDYES:
 165      case IDNO:
 166       EndDialog(hwnd, wParam);
 167       break;
 168     }
 169     break;
 170   }
 171   return 0;
 172 }
 173
 174 /**************************************************************************
 175  *                      MessageBox  [USER.1]
 176  */
 177
 178 int MessageBox(HWND hWnd, LPSTR text, LPSTR title, WORD type)
 179 {
 180     HANDLE handle;
 181     MSGBOX mbox;
 182     int ret;
 183     DWORD WineProc,Win16Proc,Win32Proc;
 184     static int initialized = 0;
 185
 186     mbox.title = title;
 187     mbox.text  = text;
 188     mbox.type  = type;
 189
 190     if (!initialized)
 191     {
 192         WineProc=(DWORD)SystemMessageBoxProc;
 193         Win16Proc=(DWORD)GetWndProcEntry16("SystemMessageBoxProc");
 194         Win32Proc=(DWORD)RELAY32_GetEntryPoint("WINPROCS32","SystemMessageBoxProc",0);
 195         ALIAS_RegisterAlias(WineProc,Win16Proc,Win32Proc);
 196         initialized=1;
 197     }
 198
 199     handle = GLOBAL_CreateBlock( GMEM_FIXED, sysres_DIALOG_MSGBOX.bytes,
 200                                  sysres_DIALOG_MSGBOX.size, GetCurrentPDB(),
 201                                  FALSE, FALSE, TRUE, NULL );
 202     if (!handle) return 0;
 203     ret = DialogBoxIndirectParam( GetWindowWord(hWnd, GWW_HINSTANCE),
 204                                   handle, hWnd,
 205                                   GetWndProcEntry16("SystemMessageBoxProc"),
 206                                   (LONG)&mbox );
 207     GLOBAL_FreeBlock( handle );
 208     return ret;
 209 }
 210
 211 /**************************************************************************
 212  *                      FatalAppExit  [USER.137]
 213  */
 214
 215 void FatalAppExit(WORD wAction, LPSTR str)
 216 {
 217   MessageBox(0, str, NULL, MB_SYSTEMMODAL | MB_OK);
 218   TASK_KillCurrentTask(0);
 219 }