text: /*
   * The dialog that displays after a crash
   *
   * Copyright 2008 Mikolaj Zalewski
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "debugger.h"
  #include "wingdi.h"
  #include "winuser.h"
  #include "commctrl.h"
  #include "commdlg.h"
  #include "shellapi.h"
  #include "psapi.h"
  
  #include "wine/unicode.h"
  
  #include "resource.h"
  
  #define MAX_PROGRAM_NAME_LENGTH 80
  
  static char *crash_log;
  
  int msgbox_res_id(HWND hwnd, UINT textid, UINT captionid, UINT type)
  {
      if (DBG_IVAR(ShowCrashDialog))
      {
          WCHAR caption[256];
          WCHAR text[256];
          LoadStringW(GetModuleHandleW(NULL), captionid, caption, ARRAY_SIZE(caption));
          LoadStringW(GetModuleHandleW(NULL), textid, text, ARRAY_SIZE(text));
          return MessageBoxW(hwnd, text, caption, type);
      }
  
      return IDCANCEL;
  }
  
  static BOOL is_visible(void)
  {
      USEROBJECTFLAGS flags;
      HWINSTA winstation;
  
      if (!(winstation = GetProcessWindowStation()))
          return FALSE;
  
      if (!(GetUserObjectInformationA(winstation, UOI_FLAGS, &flags, sizeof(flags), NULL)))
          return FALSE;
  
      return flags.dwFlags & WSF_VISIBLE;
  }
  
  static WCHAR *get_program_name(HANDLE hProcess)
  {
      WCHAR image_name[MAX_PATH];
      WCHAR *programname;
      WCHAR *output;
  
      /* GetProcessImageFileNameW gives no way to query the correct buffer size,
       * but programs with a path longer than MAX_PATH can't be started by the
       * shell, so we expect they don't happen often */
      if (!GetProcessImageFileNameW(hProcess, image_name, MAX_PATH))
      {
          static WCHAR unidentified[MAX_PROGRAM_NAME_LENGTH];
          LoadStringW(GetModuleHandleW(NULL), IDS_UNIDENTIFIED,
                  unidentified, MAX_PROGRAM_NAME_LENGTH);
          return unidentified;
      }
  
      programname = strrchrW(image_name, '\\');
      if (programname != NULL)
          programname++;
      else
          programname = image_name;
  
      /* TODO: if the image has a VERSIONINFO, we could try to find there a more
       * user-friendly program name */
  
      /* don't display a too long string to the user */
      if (strlenW(programname) >= MAX_PROGRAM_NAME_LENGTH)
      {
          programname[MAX_PROGRAM_NAME_LENGTH - 4] = '.';
          programname[MAX_PROGRAM_NAME_LENGTH - 3] = '.';
          programname[MAX_PROGRAM_NAME_LENGTH - 2] = '.';
          programname[MAX_PROGRAM_NAME_LENGTH - 1] = 0;
      }
  
      output = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*(lstrlenW(programname) + 1));
      lstrcpyW(output, programname);
  
      return output;
  }
  
  static LPWSTR g_ProgramName;
  static HFONT g_hBoldFont;
  static HMENU g_hDebugMenu = NULL;
  
  static void set_bold_font(HWND hDlg)
  {
      HFONT hNormalFont = (HFONT)SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1,
              WM_GETFONT, 0, 0);
      LOGFONTW font;
      GetObjectW(hNormalFont, sizeof(LOGFONTW), &font);
      font.lfWeight = FW_BOLD;
      g_hBoldFont = CreateFontIndirectW(&font);
      SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1, WM_SETFONT, (WPARAM)g_hBoldFont, TRUE);
  }
  
  static void set_fixed_font( HWND dlg, UINT id )
  {
      HFONT hfont = (HFONT)SendDlgItemMessageW( dlg, id, WM_GETFONT, 0, 0);
      LOGFONTW font;
  
      GetObjectW(hfont, sizeof(LOGFONTW), &font);
      font.lfPitchAndFamily = FIXED_PITCH;
      font.lfFaceName[0] = 0;
      hfont = CreateFontIndirectW(&font);
      SendDlgItemMessageW( dlg, id, WM_SETFONT, (WPARAM)hfont, TRUE );
  }
  
  static void set_message_with_filename(HWND hDlg)
  {
      WCHAR originalText[1000];
      WCHAR newText[1000 + MAX_PROGRAM_NAME_LENGTH];
  
      GetDlgItemTextW(hDlg, IDC_STATIC_TXT1, originalText, ARRAY_SIZE(originalText));
      wsprintfW(newText, originalText, g_ProgramName);
      SetDlgItemTextW(hDlg, IDC_STATIC_TXT1, newText);
  }
  
  static void load_crash_log( HANDLE file )
  {
      DWORD len, pos = 0, size = 65536;
  
      crash_log = HeapAlloc( GetProcessHeap(), 0, size );
      SetFilePointer( file, 0, NULL, FILE_BEGIN );
      while (ReadFile( file, crash_log + pos, size - pos - 1, &len, NULL ) && len)
      {
          pos += len;
          if (pos == size - 1) crash_log = HeapReAlloc( GetProcessHeap(), 0, crash_log, size *= 2 );
      }
      crash_log[pos] = 0;
  }
  
  static void save_crash_log( HWND hwnd )
  {
      OPENFILENAMEW save;
      HANDLE handle;
      DWORD err, written;
      WCHAR *p, path[MAX_PATH], buffer[1024];
      static const WCHAR default_name[] = { 'b','a','c','k','t','r','a','c','e','.','t','x','t',0 };
      static const WCHAR default_ext[] = { 't','x','t',0 };
      static const WCHAR txt_files[] = { '*','.','t','x','t',0 };
      static const WCHAR all_files[] = { '*','.','*',0 };
  
      memset( &save, 0, sizeof(save) );
      lstrcpyW( path, default_name );
  
      LoadStringW( GetModuleHandleW(0), IDS_TEXT_FILES, buffer, ARRAY_SIZE(buffer));
      p = buffer + lstrlenW(buffer) + 1;
      lstrcpyW(p, txt_files);
      p += lstrlenW(p) + 1;
      LoadStringW( GetModuleHandleW(0), IDS_ALL_FILES, p, ARRAY_SIZE(buffer) - (p - buffer) );
      p += lstrlenW(p) + 1;
      lstrcpyW(p, all_files);
      p += lstrlenW(p) + 1;
      *p = '\0';
  
      save.lStructSize = sizeof(OPENFILENAMEW);
      save.hwndOwner   = hwnd;
      save.hInstance   = GetModuleHandleW(0);
      save.lpstrFilter = buffer;
      save.lpstrFile   = path;
      save.nMaxFile    = MAX_PATH;
      save.Flags       = OFN_EXPLORER | OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT |
                         OFN_HIDEREADONLY | OFN_ENABLESIZING;
      save.lpstrDefExt = default_ext;
  
      if (!GetSaveFileNameW( &save )) return;
      handle = CreateFileW( save.lpstrFile, GENERIC_WRITE, FILE_SHARE_READ,
                          NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0 );
      if (handle != INVALID_HANDLE_VALUE)
      {
          if (!WriteFile( handle, crash_log, strlen(crash_log), &written, NULL ))
              err = GetLastError();
          else if (written != strlen(crash_log))
              err = GetLastError();
          else
          {
              CloseHandle( handle );
              return;
          }
          CloseHandle( handle );
          DeleteFileW( save.lpstrFile );
      }
      else err = GetLastError();
  
      LoadStringW( GetModuleHandleW(0), IDS_SAVE_ERROR, buffer, ARRAY_SIZE(buffer));
      FormatMessageW( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
                      NULL, err, 0, (LPWSTR)&p, 0, NULL);
      MessageBoxW( 0, p, buffer, MB_OK | MB_ICONERROR);
      LocalFree( p );
  }
  
  static INT_PTR WINAPI crash_dlg_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  {
      static const WCHAR openW[] = {'o','p','e','n',0};
      switch (msg)
      {
      case WM_INITDIALOG:
      {
          set_bold_font(hwnd);
          set_message_with_filename(hwnd);
          return TRUE;
      }
      case WM_CTLCOLORSTATIC:
      {
          /* WM_CTLCOLOR* don't use DWLP_MSGRESULT */
          INT_PTR id = GetDlgCtrlID((HWND)lParam);
          if (id == IDC_STATIC_BG || id == IDC_STATIC_TXT1)
              return (LONG_PTR)GetSysColorBrush(COLOR_WINDOW);
  
          return FALSE;
      }
      case WM_RBUTTONDOWN:
      {
          POINT mousePos;
          if (!(wParam & MK_SHIFT))
              return FALSE;
          if (g_hDebugMenu == NULL)
              g_hDebugMenu = LoadMenuW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDM_DEBUG_POPUP));
          GetCursorPos(&mousePos);
          TrackPopupMenu(GetSubMenu(g_hDebugMenu, 0), TPM_RIGHTBUTTON, mousePos.x, mousePos.y,
                  0, hwnd, NULL);
          return TRUE;
      }
      case WM_NOTIFY:
          switch (((NMHDR *)lParam)->code)
          {
          case NM_CLICK:
          case NM_RETURN:
              if (wParam == IDC_STATIC_TXT2)
                  ShellExecuteW( NULL, openW, ((NMLINK *)lParam)->item.szUrl, NULL, NULL, SW_SHOW );
              break;
          }
          break;
  
      case WM_COMMAND:
          switch (LOWORD(wParam))
          {
              case IDOK:
              case IDCANCEL:
              case ID_DEBUG:
              case ID_DETAILS:
                  EndDialog(hwnd, LOWORD(wParam));
                  return TRUE;
          }
          return TRUE;
      }
      return FALSE;
  }
  
  static INT_PTR WINAPI details_dlg_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
  {
      static const WCHAR openW[] = {'o','p','e','n',0};
      static POINT orig_size, min_size, edit_size, text_pos, save_pos, close_pos;
  
      switch (msg)
      {
      case WM_INITDIALOG:
      {
          RECT rect;
          WCHAR buffer[256];
  
          set_fixed_font( hwnd, IDC_CRASH_TXT );
          LoadStringW( GetModuleHandleW(0), IDS_LOADING, buffer, 256 );
          SetDlgItemTextW( hwnd, IDC_CRASH_TXT, buffer );
          EnableWindow( GetDlgItem( hwnd, IDC_CRASH_TXT ), FALSE );
          EnableWindow( GetDlgItem( hwnd, ID_SAVEAS ), FALSE );
  
          GetClientRect( hwnd, &rect );
          orig_size.x = rect.right;
          orig_size.y = rect.bottom;
  
          GetWindowRect( hwnd, &rect );
          min_size.x = rect.right - rect.left;
          min_size.y = rect.bottom - rect.top;
  
          GetWindowRect( GetDlgItem( hwnd, IDOK ), &rect );
          MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
          close_pos.x = rect.left;
          close_pos.y = rect.top;
  
          GetWindowRect( GetDlgItem( hwnd, ID_SAVEAS ), &rect );
          MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
          save_pos.x = rect.left;
          save_pos.y = rect.top;
  
          GetWindowRect( GetDlgItem( hwnd, IDC_STATIC_TXT2 ), &rect );
          MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
          text_pos.x = rect.left;
          text_pos.y = rect.top;
  
          GetWindowRect( GetDlgItem( hwnd, IDC_CRASH_TXT ), &rect );
          MapWindowPoints( 0, hwnd, (POINT *)&rect, 2 );
          edit_size.x = rect.right - rect.left;
          edit_size.y = rect.bottom - rect.top;
          return TRUE;
      }
  
      case WM_GETMINMAXINFO:
          ((MINMAXINFO *)lparam)->ptMinTrackSize = min_size;
          return TRUE;
  
      case WM_SIZE:
          if (wparam == SIZE_RESTORED || wparam == SIZE_MAXIMIZED)
          {
              int off_x = (short)LOWORD( lparam ) - orig_size.x;
              int off_y = (short)HIWORD( lparam ) - orig_size.y;
  
              SetWindowPos( GetDlgItem( hwnd, IDOK ), 0, close_pos.x + off_x,
                            close_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
              SetWindowPos( GetDlgItem( hwnd, ID_SAVEAS ), 0, save_pos.x + off_x,
                            save_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
              SetWindowPos( GetDlgItem( hwnd, IDC_STATIC_TXT2 ), 0, text_pos.x,
                            text_pos.y + off_y, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
              SetWindowPos( GetDlgItem( hwnd, IDC_CRASH_TXT ), 0, 0, 0, edit_size.x + off_x,
                            edit_size.y + off_y, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
          }
          return TRUE;
  
      case WM_NOTIFY:
          switch (((NMHDR *)lparam)->code)
          {
          case NM_CLICK:
          case NM_RETURN:
              if (wparam == IDC_STATIC_TXT2)
                  ShellExecuteW( NULL, openW, ((NMLINK *)lparam)->item.szUrl, NULL, NULL, SW_SHOW );
              break;
          }
          break;
  
      case WM_COMMAND:
          switch (LOWORD(wparam))
          {
          case ID_SAVEAS:
              save_crash_log( hwnd );
              break;
          case IDOK:
          case IDCANCEL:
              PostQuitMessage( 0 );
              break;
          }
          return TRUE;
      }
      return FALSE;
  }
  
  int display_crash_dialog(void)
  {
      static const WCHAR winedeviceW[] = {'w','i','n','e','d','e','v','i','c','e','.','e','x','e',0};
      static const INITCOMMONCONTROLSEX init = { sizeof(init), ICC_LINK_CLASS };
  
      /* dbg_curr_process->handle is not set */
      HANDLE hProcess;
  
      if (!DBG_IVAR(ShowCrashDialog) || !is_visible())
          return TRUE;
  
      hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dbg_curr_pid);
      g_ProgramName = get_program_name(hProcess);
      CloseHandle(hProcess);
      if (!strcmpW( g_ProgramName, winedeviceW )) return TRUE;
      InitCommonControlsEx( &init );
      return DialogBoxW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDD_CRASH_DLG), NULL, crash_dlg_proc);
  }
  
  static DWORD WINAPI crash_details_thread( void *event )
  {
      MSG msg;
      HWND dialog;
  
      dialog = CreateDialogW( GetModuleHandleW(0), MAKEINTRESOURCEW(IDD_DETAILS_DLG), 0, details_dlg_proc );
      if (!dialog) return 1;
  
      for (;;)
      {
          if (MsgWaitForMultipleObjects( 1, &event, FALSE, INFINITE, QS_ALLINPUT ) == 0)
          {
              load_crash_log( dbg_houtput );
              SetDlgItemTextA( dialog, IDC_CRASH_TXT, crash_log );
              EnableWindow( GetDlgItem( dialog, IDC_CRASH_TXT ), TRUE );
              EnableWindow( GetDlgItem( dialog, ID_SAVEAS ), TRUE );
              break;
          }
          while (PeekMessageW( &msg, 0, 0, 0, PM_REMOVE ))
          {
              if (msg.message == WM_QUIT) return 0;
              TranslateMessage( &msg );
              DispatchMessageW( &msg );
          }
      }
  
      while (GetMessageW( &msg, 0, 0, 0 ))
      {
          TranslateMessage( &msg );
          DispatchMessageW( &msg );
      }
      return 0;
  }
  
  HANDLE display_crash_details( HANDLE event )
  {
      return CreateThread( NULL, 0, crash_details_thread, event, 0, NULL );
  }
  