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