programs/winedbg/crashdlg.c

   1 /*
   2  * The dialog that displays after a crash
   3  *
   4  * Copyright 2008 Mikolaj Zalewski
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "debugger.h"
  22 #include "wingdi.h"
  23 #include "winuser.h"
  24 #include "commctrl.h"
  25 #include "commdlg.h"
  26 #include "shellapi.h"
  27 #include "psapi.h"
  28
  29 #include "wine/unicode.h"
  30
  31 #include "resource.h"
  32
  33 #define MAX_PROGRAM_NAME_LENGTH 80
  34
  35 static char *crash_log;
  36
  37 int msgbox_res_id(HWND hwnd, UINT textid, UINT captionid, UINT type)
  38 {
  39     if (DBG_IVAR(ShowCrashDialog))
  40     {
  41         WCHAR caption[256];
  42         WCHAR text[256];
  43         LoadStringW(GetModuleHandleW(NULL), captionid, caption, ARRAY_SIZE(caption));
  44         LoadStringW(GetModuleHandleW(NULL), textid, text, ARRAY_SIZE(text));
  45         return MessageBoxW(hwnd, text, caption, type);
  46     }
  47
  48     return IDCANCEL;
  49 }
  50
  51 static BOOL is_visible(void)
  52 {
  53     USEROBJECTFLAGS flags;
  54     HWINSTA winstation;
  55
  56     if (!(winstation = GetProcessWindowStation()))
  57         return FALSE;
  58
  59     if (!(GetUserObjectInformationA(winstation, UOI_FLAGS, &flags, sizeof(flags), NULL)))
  60         return FALSE;
  61
  62     return flags.dwFlags & WSF_VISIBLE;
  63 }
  64
  65 static WCHAR *get_program_name(HANDLE hProcess)
  66 {
  67     WCHAR image_name[MAX_PATH];
  68     WCHAR *programname;
  69     WCHAR *output;
  70
  71     /* GetProcessImageFileNameW gives no way to query the correct buffer size,
  72      * but programs with a path longer than MAX_PATH can't be started by the
  73      * shell, so we expect they don't happen often */
  74     if (!GetProcessImageFileNameW(hProcess, image_name, MAX_PATH))
  75     {
  76         static WCHAR unidentified[MAX_PROGRAM_NAME_LENGTH];
  77         LoadStringW(GetModuleHandleW(NULL), IDS_UNIDENTIFIED,
  78                 unidentified, MAX_PROGRAM_NAME_LENGTH);
  79         return unidentified;
  80     }
  81
  82     programname = strrchrW(image_name, '\\');
  83     if (programname != NULL)
  84         programname++;
  85     else
  86         programname = image_name;
  87
  88     /* TODO: if the image has a VERSIONINFO, we could try to find there a more
  89      * user-friendly program name */
  90
  91     /* don't display a too long string to the user */
  92     if (strlenW(programname) >= MAX_PROGRAM_NAME_LENGTH)
  93     {
  94         programname[MAX_PROGRAM_NAME_LENGTH - 4] = '.';
  95         programname[MAX_PROGRAM_NAME_LENGTH - 3] = '.';
  96         programname[MAX_PROGRAM_NAME_LENGTH - 2] = '.';
  97         programname[MAX_PROGRAM_NAME_LENGTH - 1] = 0;
  98     }
  99
 100     output = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*(lstrlenW(programname) + 1));
 101     lstrcpyW(output, programname);
 102
 103     return output;
 104 }
 105
 106 static LPWSTR g_ProgramName;
 107 static HFONT g_hBoldFont;
 108 static HMENU g_hDebugMenu = NULL;
 109
 110 static void set_bold_font(HWND hDlg)
 111 {
 112     HFONT hNormalFont = (HFONT)SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1,
 113             WM_GETFONT, 0, 0);
 114     LOGFONTW font;
 115     GetObjectW(hNormalFont, sizeof(LOGFONTW), &font);
 116     font.lfWeight = FW_BOLD;
 117     g_hBoldFont = CreateFontIndirectW(&font);
 118     SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1, WM_SETFONT, (WPARAM)g_hBoldFont, TRUE);
 119 }
 120
 121 static void set_fixed_font( HWND dlg, UINT id )
 122 {
 123     HFONT hfont = (HFONT)SendDlgItemMessageW( dlg, id, WM_GETFONT, 0, 0);
 124     LOGFONTW font;
 125
 126     GetObjectW(hfont, sizeof(LOGFONTW), &font);
 127     font.lfPitchAndFamily = FIXED_PITCH;
 128     font.lfFaceName[0] = 0;
 129     hfont = CreateFontIndirectW(&font);
 130     SendDlgItemMessageW( dlg, id, WM_SETFONT, (WPARAM)hfont, TRUE );
 131 }
 132
 133 static void set_message_with_filename(HWND hDlg)
 134 {
 135     WCHAR originalText[1000];
 136     WCHAR newText[1000 + MAX_PROGRAM_NAME_LENGTH];
 137
 138     GetDlgItemTextW(hDlg, IDC_STATIC_TXT1, originalText, ARRAY_SIZE(originalText));
 139     wsprintfW(newText, originalText, g_ProgramName);
 140     SetDlgItemTextW(hDlg, IDC_STATIC_TXT1, newText);
 141 }
 142
 143 static void load_crash_log( HANDLE file )
 144 {
 145     DWORD len, pos = 0, size = 65536;
 146
 147     crash_log = HeapAlloc( GetProcessHeap(), 0, size );
 148     SetFilePointer( file, 0, NULL, FILE_BEGIN );
 149     while (ReadFile( file, crash_log + pos, size - pos - 1, &len, NULL ) && len)
 150     {
 151         pos += len;
 152         if (pos == size - 1) crash_log = HeapReAlloc( GetProcessHeap(), 0, crash_log, size *= 2 );
 153     }
 154     crash_log[pos] = 0;
 155 }
 156
 157 static void save_crash_log( HWND hwnd )
 158 {
 159     OPENFILENAMEW save;
 160     HANDLE handle;
 161     DWORD err, written;
 162     WCHAR *p, path[MAX_PATH], buffer[1024];
 163     static const WCHAR default_name[] = { 'b','a','c','k','t','r','a','c','e','.','t','x','t',0 };
 164     static const WCHAR default_ext[] = { 't','x','t',0 };
 165     static const WCHAR txt_files[] = { '*','.','t','x','t',0 };
 166     static const WCHAR all_files[] = { '*','.','*',0 };
 167
 168     memset( &save, 0, sizeof(save) );
 169     lstrcpyW( path, default_name );
 170
 171     LoadStringW( GetModuleHandleW(0), IDS_TEXT_FILES, buffer, ARRAY_SIZE(buffer));
 172     p = buffer + lstrlenW(buffer) + 1;
 173     lstrcpyW(p, txt_files);
 174     p += lstrlenW(p) + 1;
 175     LoadStringW( GetModuleHandleW(0), IDS_ALL_FILES, p, ARRAY_SIZE(buffer) - (p - buffer) );
 176     p += lstrlenW(p) + 1;
 177     lstrcpyW(p, all_files);
 178     p += lstrlenW(p) + 1;
 179     *p = '\0';
 180
 181     save.lStructSize = sizeof(OPENFILENAMEW);
 182     save.hwndOwner   = hwnd;
 183     save.hInstance   = GetModuleHandleW(0);
 184     save.lpstrFilter = buffer;
 185     save.lpstrFile   = path;
 186     save.nMaxFile    = MAX_PATH;
 187     save.Flags       = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT |
 188                        OFN_HIDEREADONLY | OFN_ENABLESIZING;
 189     save.lpstrDefExt = default_ext;
 190
 191     if (!GetSaveFileNameW( &save )) return;
 192     handle = CreateFileW( save.lpstrFile, GENERIC_WRITE, FILE_SHARE_READ,
 193                         NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0 );
 194     if (handle != INVALID_HANDLE_VALUE)
 195     {
 196         if (!WriteFile( handle, crash_log, strlen(crash_log), &written, NULL ))
 197             err = GetLastError();
 198         else if (written != strlen(crash_log))
 199             err = GetLastError();
 200         else
 201         {
 202             CloseHandle( handle );
 203             return;
 204         }
 205         CloseHandle( handle );
 206         DeleteFileW( save.lpstrFile );
 207     }
 208     else err = GetLastError();
 209
 210     LoadStringW( GetModuleHandleW(0), IDS_SAVE_ERROR, buffer, ARRAY_SIZE(buffer));
 211     FormatMessageW( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
 212                     NULL, err, 0, (LPWSTR)&p, 0, NULL);
 213     MessageBoxW( 0, p, buffer, MB_OK | MB_ICONERROR);
 214     LocalFree( p );
 215 }
 216
 217 static INT_PTR WINAPI crash_dlg_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 218 {
 219     static const WCHAR openW[] = {'o','p','e','n',0};
 220     switch (msg)
 221     {
 222     case WM_INITDIALOG:
 223     {
 224         set_bold_font(hwnd);
 225         set_message_with_filename(hwnd);
 226         return TRUE;
 227     }
 228     case WM_CTLCOLORSTATIC:
 229     {
 230         /* WM_CTLCOLOR* don't use DWLP_MSGRESULT */
 231         INT_PTR id = GetDlgCtrlID((HWND)lParam);
 232         if (id == IDC_STATIC_BG || id == IDC_STATIC_TXT1)
 233             return (LONG_PTR)GetSysColorBrush(COLOR_WINDOW);
 234
 235         return FALSE;
 236     }
 237     case WM_RBUTTONDOWN:
 238     {
 239         POINT mousePos;
 240         if (!(wParam & MK_SHIFT))
 241             return FALSE;
 242         if (g_hDebugMenu == NULL)
 243             g_hDebugMenu = LoadMenuW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDM_DEBUG_POPUP));
 244         GetCursorPos(&mousePos);
 245         TrackPopupMenu(GetSubMenu(g_hDebugMenu, 0), TPM_RIGHTBUTTON, mousePos.x, mousePos.y,
 246                 0, hwnd, NULL);
 247         return TRUE;
 248     }
 249     case WM_NOTIFY:
 250         switch (((NMHDR *)lParam)->code)
 251         {
 252         case NM_CLICK:
 253         case NM_RETURN:
 254             if (wParam == IDC_STATIC_TXT2)
 255                 ShellExecuteW( NULL, openW, ((NMLINK *)lParam)->item.szUrl, NULL, NULL, SW_SHOW );
 256             break;
 257         }
 258         break;
 259
 260     case WM_COMMAND:
 261         switch (LOWORD(wParam))
 262         {
 263             case IDOK:
 264             case IDCANCEL:
 265             case ID_DEBUG:
 266             case ID_DETAILS:
 267                 EndDialog(hwnd, LOWORD(wParam));
 268                 return TRUE;
 269         }
 270         return TRUE;
 271     }
 272     return FALSE;
 273 }
 274
 275 static INT_PTR WINAPI details_dlg_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 276 {
 277     static const WCHAR openW[] = {'o','p','e','n',0};
 278     static POINT orig_size, min_size, edit_size, text_pos, save_pos, close_pos;
 279
 280     switch (msg)
 281     {
 282     case WM_INITDIALOG:
 283     {
 284         RECT rect;
 285         WCHAR buffer[256];
 286
 287         set_fixed_font( hwnd, IDC_CRASH_TXT );
 288         LoadStringW( GetModuleHandleW(0), IDS_LOADING, buffer, 256 );
 289         SetDlgItemTextW( hwnd, IDC_CRASH_TXT, buffer );
 290         EnableWindow( GetDlgItem( hwnd, IDC_CRASH_TXT ), FALSE );
 291         EnableWindow( GetDlgItem( hwnd, ID_SAVEAS ), FALSE );
 292
 293         GetClientRect( hwnd, &rect );
 294         orig_size.x = rect.right;
 295         orig_size.y = rect.bottom;
 296
 297         GetWindowRect( hwnd, &rect );
 298         min_size.x = rect.right - rect.left;
 299         min_size.y = rect.bottom - rect.top;
 300
 301         GetWindowRect( GetDlgItem( hwnd, IDOK ), &rect );
 302         MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
 303         close_pos.x = rect.left;
 304         close_pos.y = rect.top;
 305
 306         GetWindowRect( GetDlgItem( hwnd, ID_SAVEAS ), &rect );
 307         MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
 308         save_pos.x = rect.left;
 309         save_pos.y = rect.top;
 310
 311         GetWindowRect( GetDlgItem( hwnd, IDC_STATIC_TXT2 ), &rect );
 312         MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
 313         text_pos.x = rect.left;
 314         text_pos.y = rect.top;
 315
 316         GetWindowRect( GetDlgItem( hwnd, IDC_CRASH_TXT ), &rect );
 317         MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
 318         edit_size.x = rect.right - rect.left;
 319         edit_size.y = rect.bottom - rect.top;
 320         return TRUE;
 321     }
 322
 323     case WM_GETMINMAXINFO:
 324         ((MINMAXINFO *)lparam)->ptMinTrackSize = min_size;
 325         return TRUE;
 326
 327     case WM_SIZE:
 328         if (wparam == SIZE_RESTORED || wparam == SIZE_MAXIMIZED)
 329         {
 330             int off_x = (short)LOWORD( lparam ) - orig_size.x;
 331             int off_y = (short)HIWORD( lparam ) - orig_size.y;
 332
 333             SetWindowPos( GetDlgItem( hwnd, IDOK ), 0, close_pos.x + off_x,
 334                           close_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 335             SetWindowPos( GetDlgItem( hwnd, ID_SAVEAS ), 0, save_pos.x + off_x,
 336                           save_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 337             SetWindowPos( GetDlgItem( hwnd, IDC_STATIC_TXT2 ), 0, text_pos.x,
 338                           text_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
 339             SetWindowPos( GetDlgItem( hwnd, IDC_CRASH_TXT ), 0, 0, 0, edit_size.x + off_x,
 340                           edit_size.y + off_y, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
 341         }
 342         return TRUE;
 343
 344     case WM_NOTIFY:
 345         switch (((NMHDR *)lparam)->code)
 346         {
 347         case NM_CLICK:
 348         case NM_RETURN:
 349             if (wparam == IDC_STATIC_TXT2)
 350                 ShellExecuteW( NULL, openW, ((NMLINK *)lparam)->item.szUrl, NULL, NULL, SW_SHOW );
 351             break;
 352         }
 353         break;
 354
 355     case WM_COMMAND:
 356         switch (LOWORD(wparam))
 357         {
 358         case ID_SAVEAS:
 359             save_crash_log( hwnd );
 360             break;
 361         case IDOK:
 362         case IDCANCEL:
 363             PostQuitMessage( 0 );
 364             break;
 365         }
 366         return TRUE;
 367     }
 368     return FALSE;
 369 }
 370
 371 int display_crash_dialog(void)
 372 {
 373     static const WCHAR winedeviceW[] = {'w','i','n','e','d','e','v','i','c','e','.','e','x','e',0};
 374     static const INITCOMMONCONTROLSEX init = { sizeof(init), ICC_LINK_CLASS };
 375
 376     /* dbg_curr_process->handle is not set */
 377     HANDLE hProcess;
 378
 379     if (!DBG_IVAR(ShowCrashDialog) || !is_visible())
 380         return TRUE;
 381
 382     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dbg_curr_pid);
 383     g_ProgramName = get_program_name(hProcess);
 384     CloseHandle(hProcess);
 385     if (!strcmpW( g_ProgramName, winedeviceW )) return TRUE;
 386     InitCommonControlsEx( &init );
 387     return DialogBoxW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDD_CRASH_DLG), NULL, crash_dlg_proc);
 388 }
 389
 390 static DWORD WINAPI crash_details_thread( void *event )
 391 {
 392     MSG msg;
 393     HWND dialog;
 394
 395     dialog = CreateDialogW( GetModuleHandleW(0), MAKEINTRESOURCEW(IDD_DETAILS_DLG), 0, details_dlg_proc );
 396     if (!dialog) return 1;
 397
 398     for (;;)
 399     {
 400         if (MsgWaitForMultipleObjects( 1, &event, FALSE, INFINITE, QS_ALLINPUT ) == 0)
 401         {
 402             load_crash_log( dbg_houtput );
 403             SetDlgItemTextA( dialog, IDC_CRASH_TXT, crash_log );
 404             EnableWindow( GetDlgItem( dialog, IDC_CRASH_TXT ), TRUE );
 405             EnableWindow( GetDlgItem( dialog, ID_SAVEAS ), TRUE );
 406             break;
 407         }
 408         while (PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
 409         {
 410             if (msg.message == WM_QUIT) return 0;
 411             TranslateMessage( &msg );
 412             DispatchMessageW( &msg );
 413         }
 414     }
 415
 416     while (GetMessageW( &msg, 0, 0, 0 ))
 417     {
 418         TranslateMessage( &msg );
 419         DispatchMessageW( &msg );
 420     }
 421     return 0;
 422 }
 423
 424 HANDLE display_crash_details( HANDLE event )
 425 {
 426     return CreateThread( NULL, 0, crash_details_thread, event, 0, NULL );
 427 }