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 "selectors.h"
  11 #include "alias.h"
  12 #include "relay32.h"
  13 #include "win.h"
  14 #include "resource.h"
  15 #include "task.h"
  16
  17 typedef struct {
  18   LPSTR title;
  19   LPSTR text;
  20   WORD  type;
  21 } MSGBOX, *LPMSGBOX;
  22
  23 LRESULT SystemMessageBoxProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM 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,
  72                          (WPARAM)LoadIcon(0, IDI_EXCLAMATION), 0);
  73       break;
  74      case MB_ICONQUESTION:
  75       SendDlgItemMessage(hwnd, stc1, STM_SETICON,
  76                          (WPARAM)LoadIcon(0, IDI_QUESTION), 0);
  77       break;
  78      case MB_ICONASTERISK:
  79       SendDlgItemMessage(hwnd, stc1, STM_SETICON,
  80                          (WPARAM)LoadIcon(0, IDI_ASTERISK), 0);
  81       break;
  82      case MB_ICONHAND:
  83      default:
  84       SendDlgItemMessage(hwnd, stc1, STM_SETICON,
  85                          (WPARAM)LoadIcon(0, IDI_HAND), 0);
  86       break;
  87     }
  88
  89     /* Position everything */
  90     GetWindowRect(hwnd, &rect);
  91     borheight = rect.bottom - rect.top;
  92     wwidth = rect.right - rect.left;
  93     GetClientRect(hwnd, &rect);
  94     borheight -= rect.bottom - rect.top;
  95
  96     /* Get the icon height */
  97     GetWindowRect(GetDlgItem(hwnd, 1088), &rect);
  98     iheight = rect.bottom - rect.top;
  99
 100     /* Get the number of visible buttons and their width */
 101     GetWindowRect(GetDlgItem(hwnd, 2), &rect);
 102     bheight = rect.bottom - rect.top;
 103     bwidth = rect.left;
 104     GetWindowRect(GetDlgItem(hwnd, 1), &rect);
 105     bwidth -= rect.left;
 106     for (buttons = 0, i = 1; i < 8; i++) {
 107       hItem = GetDlgItem(hwnd, i);
 108       if (GetWindowLong(hItem, GWL_STYLE) & WS_VISIBLE) {
 109         buttons++;
 110       }
 111     }
 112
 113     /* Get the text size */
 114     hItem = GetDlgItem(hwnd, 100);
 115     GetWindowRect(hItem, &textrect);
 116     MapWindowPoints(0, hwnd, (LPPOINT)&textrect, 2);
 117
 118     GetClientRect(hItem, &rect);
 119     hdc = GetDC(hItem);
 120     lRet = DrawText(hdc, lpmb->text, -1, &rect,
 121                     DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_CALCRECT);
 122     theight = rect.bottom  - rect.top;
 123     tiheight = 16 + MAX(iheight, theight);
 124     ReleaseDC(hItem, hdc);
 125
 126     /* Position the text */
 127     SetWindowPos(hItem, 0, textrect.left, (tiheight - theight) / 2,
 128                  rect.right - rect.left, theight,
 129                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 130
 131     /* Position the icon */
 132     hItem = GetDlgItem(hwnd, 1088);
 133     GetWindowRect(hItem, &rect);
 134     MapWindowPoints(0, hwnd, (LPPOINT)&rect, 2);
 135     SetWindowPos(hItem, 0, rect.left, (tiheight - iheight) / 2, 0, 0,
 136                  SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 137
 138     /* Resize the window */
 139     SetWindowPos(hwnd, 0, 0, 0, wwidth, 8 + tiheight + bheight + borheight,
 140                  SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 141
 142     /* Position the buttons */
 143     bpos = (wwidth - bwidth * buttons) / 2;
 144     GetWindowRect(GetDlgItem(hwnd, 1), &rect);
 145     for (buttons = i = 0; i < 7; i++) {
 146       /* some arithmetic to get the right order for YesNoCancel windows */
 147       hItem = GetDlgItem(hwnd, (i + 5) % 7 + 1);
 148       if (GetWindowLong(hItem, GWL_STYLE) & WS_VISIBLE) {
 149         if (buttons++ == ((lpmb->type & MB_DEFMASK) >> 8)) {
 150           SetFocus(hItem);
 151           SendMessage(hItem, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE);
 152         }
 153         SetWindowPos(hItem, 0, bpos, tiheight, 0, 0,
 154                      SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 155         bpos += bwidth;
 156       }
 157     }
 158     return 0;
 159     break;
 160
 161    case WM_COMMAND:
 162     switch (wParam) {
 163      case IDOK:
 164      case IDCANCEL:
 165      case IDABORT:
 166      case IDRETRY:
 167      case IDIGNORE:
 168      case IDYES:
 169      case IDNO:
 170       EndDialog(hwnd, wParam);
 171       break;
 172     }
 173     break;
 174   }
 175   return 0;
 176 }
 177
 178 /**************************************************************************
 179  *                      MessageBox  [USER.1]
 180  */
 181
 182 int MessageBox(HWND hWnd, LPSTR text, LPSTR title, WORD type)
 183 {
 184     HANDLE handle;
 185     MSGBOX mbox;
 186     int ret;
 187     DWORD WineProc,Win16Proc,Win32Proc;
 188     static int initialized = 0;
 189
 190     mbox.title = title;
 191     mbox.text  = text;
 192     mbox.type  = type;
 193
 194     if (!initialized)
 195     {
 196         WineProc=(DWORD)SystemMessageBoxProc;
 197         Win16Proc=(DWORD)GetWndProcEntry16("SystemMessageBoxProc");
 198         Win32Proc=(DWORD)RELAY32_GetEntryPoint("WINPROCS32","SystemMessageBoxProc",0);
 199         ALIAS_RegisterAlias(WineProc,Win16Proc,Win32Proc);
 200         initialized=1;
 201     }
 202
 203     handle = SYSRES_LoadResource( SYSRES_DIALOG_MSGBOX );
 204     if (!handle) return 0;
 205     ret = DialogBoxIndirectParam( WIN_GetWindowInstance(hWnd),
 206                                   handle, hWnd,
 207                                   GetWndProcEntry16("SystemMessageBoxProc"),
 208                                   (LONG)&mbox );
 209     SYSRES_FreeResource( handle );
 210     return ret;
 211 }
 212
 213 /**************************************************************************
 214  *                      FatalAppExit  [USER.137]
 215  */
 216
 217 void FatalAppExit(WORD wAction, LPSTR str)
 218 {
 219   MessageBox(0, str, NULL, MB_SYSTEMMODAL | MB_OK);
 220   TASK_KillCurrentTask(0);
 221 }