Sweden-Number/programs/winedbg/crashdlg.c

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/*
* 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 "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 = wcsrchr(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 (lstrlenW(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];
memset( &save, 0, sizeof(save) );
lstrcpyW( path, L"backtrace.txt" );
LoadStringW( GetModuleHandleW(0), IDS_TEXT_FILES, buffer, ARRAY_SIZE(buffer));
p = buffer + lstrlenW(buffer) + 1;
lstrcpyW(p, L"*.txt");
p += lstrlenW(p) + 1;
LoadStringW( GetModuleHandleW(0), IDS_ALL_FILES, p, ARRAY_SIZE(buffer) - (p - buffer) );
p += lstrlenW(p) + 1;
lstrcpyW(p, L"*.*");
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 = L"txt";
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)
{
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, L"open", ((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 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, L"open", ((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 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 (!wcscmp( g_ProgramName, L"winedevice.exe" )) 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 );
}