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 "resource.h"
  22 #include "debugger.h"
  23 #include "wingdi.h"
  24 #include "winuser.h"
  25 #include "psapi.h"
  26
  27 #include "wine/debug.h"
  28 #include "wine/unicode.h"
  29
  30
  31 #define MAX_PROGRAM_NAME_LENGTH 80
  32
  33 int msgbox_res_id(HWND hwnd, UINT textId, UINT captionId, UINT uType)
  34 {
  35     WCHAR caption[256];
  36     WCHAR text[256];
  37     LoadStringW(GetModuleHandleW(NULL), captionId, caption, sizeof(caption)/sizeof(caption[0]));
  38     LoadStringW(GetModuleHandleW(NULL), textId, text, sizeof(text)/sizeof(text[0]));
  39     return MessageBoxW(hwnd, text, caption, uType);
  40 }
  41
  42 static WCHAR *get_program_name(HANDLE hProcess)
  43 {
  44     WCHAR image_name[MAX_PATH];
  45     WCHAR *programname;
  46     WCHAR *output;
  47
  48     /* GetProcessImageFileNameW gives no way to query the correct buffer size,
  49      * but programs with a path longer than MAX_PATH can't be started by the
  50      * shell, so we expect they don't happen often */
  51     if (!GetProcessImageFileNameW(hProcess, image_name, MAX_PATH))
  52     {
  53         static WCHAR unidentified[MAX_PROGRAM_NAME_LENGTH];
  54         LoadStringW(GetModuleHandleW(NULL), IDS_UNIDENTIFIED,
  55                 unidentified, MAX_PROGRAM_NAME_LENGTH);
  56         return unidentified;
  57     }
  58
  59     programname = strrchrW(image_name, '\\');
  60     if (programname != NULL)
  61         programname++;
  62     else
  63         programname = image_name;
  64
  65     /* TODO: if the image has a VERSIONINFO, we could try to find there a more
  66      * user-friendly program name */
  67
  68     /* don't display a too long string to the user */
  69     if (strlenW(programname) >= MAX_PROGRAM_NAME_LENGTH)
  70     {
  71         programname[MAX_PROGRAM_NAME_LENGTH - 4] = '.';
  72         programname[MAX_PROGRAM_NAME_LENGTH - 3] = '.';
  73         programname[MAX_PROGRAM_NAME_LENGTH - 2] = '.';
  74         programname[MAX_PROGRAM_NAME_LENGTH - 1] = 0;
  75     }
  76
  77     output = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*(lstrlenW(programname) + 1));
  78     lstrcpyW(output, programname);
  79
  80     return output;
  81 }
  82
  83 static LPWSTR g_ProgramName;
  84 static HFONT g_hBoldFont;
  85 static HMENU g_hDebugMenu = NULL;
  86
  87 static void set_bold_font(HWND hDlg)
  88 {
  89     HFONT hNormalFont = (HFONT)SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1,
  90             WM_GETFONT, 0, 0);
  91     LOGFONTW font;
  92     GetObjectW(hNormalFont, sizeof(LOGFONTW), &font);
  93     font.lfWeight = FW_BOLD;
  94     g_hBoldFont = CreateFontIndirectW(&font);
  95     SendDlgItemMessageW(hDlg, IDC_STATIC_TXT1, WM_SETFONT, (WPARAM)g_hBoldFont, TRUE);
  96 }
  97
  98 static void set_message_with_filename(HWND hDlg)
  99 {
 100     WCHAR originalText[1000];
 101     WCHAR newText[1000 + MAX_PROGRAM_NAME_LENGTH];
 102
 103     GetDlgItemTextW(hDlg, IDC_STATIC_TXT1, originalText,
 104             sizeof(originalText)/sizeof(originalText[0]));
 105     wsprintfW(newText, originalText, g_ProgramName);
 106     SetDlgItemTextW(hDlg, IDC_STATIC_TXT1, newText);
 107 }
 108
 109 static INT_PTR WINAPI DlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 110 {
 111     switch (msg)
 112     {
 113     case WM_INITDIALOG:
 114     {
 115         set_bold_font(hwnd);
 116         set_message_with_filename(hwnd);
 117         return TRUE;
 118     }
 119     case WM_CTLCOLORSTATIC:
 120     {
 121         /* WM_CTLCOLOR* don't use DWLP_MSGRESULT */
 122         INT_PTR id = GetDlgCtrlID((HWND)lParam);
 123         if (id == IDC_STATIC_BG || id == IDC_STATIC_TXT1)
 124             return (LONG_PTR)GetSysColorBrush(COLOR_WINDOW);
 125
 126         return FALSE;
 127     }
 128     case WM_RBUTTONDOWN:
 129     {
 130         POINT mousePos;
 131         if (!(wParam & MK_SHIFT))
 132             return FALSE;
 133         if (g_hDebugMenu == NULL)
 134             g_hDebugMenu = LoadMenuW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDM_DEBUG_POPUP));
 135         GetCursorPos(&mousePos);
 136         TrackPopupMenu(GetSubMenu(g_hDebugMenu, 0), TPM_RIGHTBUTTON, mousePos.x, mousePos.y,
 137                 0, hwnd, NULL);
 138         return TRUE;
 139     }
 140     case WM_COMMAND:
 141         switch (LOWORD(wParam))
 142         {
 143             case IDOK:
 144             case IDCANCEL:
 145             case ID_DEBUG:
 146                 EndDialog(hwnd, LOWORD(wParam));
 147                 return TRUE;
 148         }
 149         return TRUE;
 150     }
 151     return FALSE;
 152 }
 153
 154 BOOL display_crash_dialog(void)
 155 {
 156     INT_PTR result;
 157     /* dbg_curr_process->handle is not set */
 158     HANDLE hProcess;
 159
 160     if (!DBG_IVAR(ShowCrashDialog))
 161         return TRUE;
 162
 163     hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dbg_curr_pid);
 164     g_ProgramName = get_program_name(hProcess);
 165     CloseHandle(hProcess);
 166     result = DialogBoxW(GetModuleHandleW(NULL), MAKEINTRESOURCEW(IDD_CRASH_DLG), NULL, DlgProc);
 167     if (result == ID_DEBUG) {
 168         AllocConsole();
 169         return FALSE;
 170     }
 171     return TRUE;
 172 }