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 "module.h"
  11 #include "win.h"
  12 #include "resource.h"
  13 #include "task.h"
  14
  15 typedef struct {
  16   LPCSTR title;
  17   LPCSTR text;
  18   WORD  type;
  19 } MSGBOX, *LPMSGBOX;
  20
  21 LRESULT SystemMessageBoxProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)
  22 {
  23   LPMSGBOX lpmb;
  24   RECT16 rect, textrect;
  25   HWND hItem;
  26   HDC hdc;
  27   LONG lRet;
  28   int i, buttons, bwidth, bheight, theight, wwidth, bpos;
  29   int borheight, iheight, tiheight;
  30
  31   switch(message) {
  32    case WM_INITDIALOG:
  33     lpmb = (LPMSGBOX)lParam;
  34     if (lpmb->title) SetWindowText32A(hwnd, lpmb->title);
  35     SetWindowText32A(GetDlgItem(hwnd, 100), lpmb->text);
  36     /* Hide not selected buttons */
  37     switch(lpmb->type & MB_TYPEMASK) {
  38      case MB_OK:
  39       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  40       /* fall through */
  41      case MB_OKCANCEL:
  42       ShowWindow(GetDlgItem(hwnd, 3), SW_HIDE);
  43       ShowWindow(GetDlgItem(hwnd, 4), SW_HIDE);
  44       ShowWindow(GetDlgItem(hwnd, 5), SW_HIDE);
  45       ShowWindow(GetDlgItem(hwnd, 6), SW_HIDE);
  46       ShowWindow(GetDlgItem(hwnd, 7), SW_HIDE);
  47       break;
  48      case MB_ABORTRETRYIGNORE:
  49       ShowWindow(GetDlgItem(hwnd, 1), SW_HIDE);
  50       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  51       ShowWindow(GetDlgItem(hwnd, 6), SW_HIDE);
  52       ShowWindow(GetDlgItem(hwnd, 7), SW_HIDE);
  53       break;
  54      case MB_YESNO:
  55       ShowWindow(GetDlgItem(hwnd, 2), SW_HIDE);
  56       /* fall through */
  57      case MB_YESNOCANCEL:
  58       ShowWindow(GetDlgItem(hwnd, 1), SW_HIDE);
  59       ShowWindow(GetDlgItem(hwnd, 3), SW_HIDE);
  60       ShowWindow(GetDlgItem(hwnd, 4), SW_HIDE);
  61       ShowWindow(GetDlgItem(hwnd, 5), SW_HIDE);
  62       break;
  63     }
  64     /* Set the icon */
  65     switch(lpmb->type & MB_ICONMASK) {
  66      case MB_ICONEXCLAMATION:
  67       SendDlgItemMessage16(hwnd, stc1, STM_SETICON,
  68                            (WPARAM)LoadIcon16(0, IDI_EXCLAMATION), 0);
  69       break;
  70      case MB_ICONQUESTION:
  71       SendDlgItemMessage16(hwnd, stc1, STM_SETICON,
  72                            (WPARAM)LoadIcon16(0, IDI_QUESTION), 0);
  73       break;
  74      case MB_ICONASTERISK:
  75       SendDlgItemMessage16(hwnd, stc1, STM_SETICON,
  76                            (WPARAM)LoadIcon16(0, IDI_ASTERISK), 0);
  77       break;
  78      case MB_ICONHAND:
  79      default:
  80       SendDlgItemMessage16(hwnd, stc1, STM_SETICON,
  81                            (WPARAM)LoadIcon16(0, IDI_HAND), 0);
  82       break;
  83     }
  84
  85     /* Position everything */
  86     GetWindowRect16(hwnd, &rect);
  87     borheight = rect.bottom - rect.top;
  88     wwidth = rect.right - rect.left;
  89     GetClientRect16(hwnd, &rect);
  90     borheight -= rect.bottom - rect.top;
  91
  92     /* Get the icon height */
  93     GetWindowRect16(GetDlgItem(hwnd, 1088), &rect);
  94     iheight = rect.bottom - rect.top;
  95
  96     /* Get the number of visible buttons and their width */
  97     GetWindowRect16(GetDlgItem(hwnd, 2), &rect);
  98     bheight = rect.bottom - rect.top;
  99     bwidth = rect.left;
 100     GetWindowRect16(GetDlgItem(hwnd, 1), &rect);
 101     bwidth -= rect.left;
 102     for (buttons = 0, i = 1; i < 8; i++)
 103     {
 104       hItem = GetDlgItem(hwnd, i);
 105       if (GetWindowLong32A(hItem, GWL_STYLE) & WS_VISIBLE) buttons++;
 106     }
 107
 108     /* Get the text size */
 109     hItem = GetDlgItem(hwnd, 100);
 110     GetWindowRect16(hItem, &textrect);
 111     MapWindowPoints16(0, hwnd, (LPPOINT16)&textrect, 2);
 112
 113     GetClientRect16(hItem, &rect);
 114     hdc = GetDC(hItem);
 115     lRet = DrawText16( hdc, lpmb->text, -1, &rect,
 116                        DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_CALCRECT);
 117     theight = rect.bottom  - rect.top;
 118     tiheight = 16 + MAX(iheight, theight);
 119     ReleaseDC(hItem, hdc);
 120
 121     /* Position the text */
 122     SetWindowPos(hItem, 0, textrect.left, (tiheight - theight) / 2,
 123                  rect.right - rect.left, theight,
 124                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 125
 126     /* Position the icon */
 127     hItem = GetDlgItem(hwnd, 1088);
 128     GetWindowRect16(hItem, &rect);
 129     MapWindowPoints16(0, hwnd, (LPPOINT16)&rect, 2);
 130     SetWindowPos(hItem, 0, rect.left, (tiheight - iheight) / 2, 0, 0,
 131                  SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 132
 133     /* Resize the window */
 134     SetWindowPos(hwnd, 0, 0, 0, wwidth, 8 + tiheight + bheight + borheight,
 135                  SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 136
 137     /* Position the buttons */
 138     bpos = (wwidth - bwidth * buttons) / 2;
 139     GetWindowRect16(GetDlgItem(hwnd, 1), &rect);
 140     for (buttons = i = 0; i < 7; i++) {
 141       /* some arithmetic to get the right order for YesNoCancel windows */
 142       hItem = GetDlgItem(hwnd, (i + 5) % 7 + 1);
 143       if (GetWindowLong32A(hItem, GWL_STYLE) & WS_VISIBLE) {
 144         if (buttons++ == ((lpmb->type & MB_DEFMASK) >> 8)) {
 145           SetFocus(hItem);
 146           SendMessage32A( hItem, BM_SETSTYLE32, BS_DEFPUSHBUTTON, TRUE );
 147         }
 148         SetWindowPos(hItem, 0, bpos, tiheight, 0, 0,
 149                      SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 150         bpos += bwidth;
 151       }
 152     }
 153     return 0;
 154     break;
 155
 156    case WM_COMMAND:
 157     switch (wParam) {
 158      case IDOK:
 159      case IDCANCEL:
 160      case IDABORT:
 161      case IDRETRY:
 162      case IDIGNORE:
 163      case IDYES:
 164      case IDNO:
 165       EndDialog(hwnd, wParam);
 166       break;
 167     }
 168     break;
 169   }
 170   return 0;
 171 }
 172
 173 /**************************************************************************
 174  *                      MessageBox  [USER.1]
 175  */
 176
 177 int MessageBox(HWND hWnd, LPCSTR text, LPCSTR title, WORD type)
 178 {
 179     HANDLE handle;
 180     MSGBOX mbox;
 181     int ret;
 182
 183     mbox.title = title;
 184     mbox.text  = text;
 185     mbox.type  = type;
 186
 187     handle = SYSRES_LoadResource( SYSRES_DIALOG_MSGBOX );
 188     if (!handle) return 0;
 189     ret = DialogBoxIndirectParam16( WIN_GetWindowInstance(hWnd),
 190                                   handle, hWnd,
 191                                   MODULE_GetWndProcEntry16("SystemMessageBoxProc"),
 192                                   (LONG)&mbox );
 193     SYSRES_FreeResource( handle );
 194     return ret;
 195 }
 196
 197 /**************************************************************************
 198  *                      FatalAppExit  [USER.137]
 199  */
 200
 201 void FatalAppExit(UINT fuAction, LPCSTR str)
 202 {
 203   MessageBox(0, str, NULL, MB_SYSTEMMODAL | MB_OK);
 204   TASK_KillCurrentTask(0);
 205 }