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(NEWOPENFILENAME): New struct.

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(Fx_file_dialog): Use it to trick the system into giving us up to
date dialogs on systems that are documented to support it.
Do not set OFN_FILEMUSTEXIST flag if looking for a directory.
This commit is contained in:
Jason Rumney 2005-06-12 19:23:28 +00:00
parent 5a77c8e23c
commit 7f2b4738d9
2 changed files with 50 additions and 16 deletions
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7
src/ChangeLog
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@ -1,3 +1,10 @@
2005-06-12 Jason Rumney <jasonr@gnu.org>
* w32fns.c (NEWOPENFILENAME): New struct.
(Fx_file_dialog): Use it to trick the system into giving us up to
date dialogs on systems that are documented to support it.
Do not set OFN_FILEMUSTEXIST flag if looking for a directory.
2005-06-12 Eli Zaretskii <eliz@gnu.org>
* w32fns.c (w32_abort): Use the MB_YESNO dialog instead of

59
src/w32fns.c
View file

@ -7759,6 +7759,19 @@ file_dialog_callback (hwnd, msg, wParam, lParam)
return 0;
}
/* Since we compile with _WIN32_WINNT set to 0x0400 (for NT4 compatibility)
we end up with the old file dialogs. Define a big enough struct for the
new dialog to trick GetOpenFileName into giving us the new dialogs on
Windows 2000 and XP. */
typedef struct
{
OPENFILENAME real_details;
void * pReserved;
DWORD dwReserved;
DWORD FlagsEx;
} NEWOPENFILENAME;
DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
doc: /* Read file name, prompting with PROMPT in directory DIR.
Use a file selection dialog.
@ -7807,44 +7820,58 @@ If ONLY-DIR-P is non-nil, the user can only select directories. */)
filename[0] = '\0';
{
OPENFILENAME file_details;
NEWOPENFILENAME new_file_details;
BOOL file_opened = FALSE;
OPENFILENAME * file_details = &new_file_details.real_details;
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
BLOCK_INPUT;
bzero (&file_details, sizeof (file_details));
file_details.lStructSize = sizeof (file_details);
file_details.hwndOwner = FRAME_W32_WINDOW (f);
bzero (&new_file_details, sizeof (new_file_details));
/* Apparently NT4 crashes if you give it an unexpected size.
I'm not sure about Windows 9x, so play it safe. */
if (w32_major_version > 4 && w32_major_version < 95)
file_details->lStructSize = sizeof (new_file_details);
else
file_details->lStructSize = sizeof (file_details);
file_details->hwndOwner = FRAME_W32_WINDOW (f);
/* Undocumented Bug in Common File Dialog:
If a filter is not specified, shell links are not resolved. */
file_details.lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
file_details.lpstrFile = filename;
file_details.nMaxFile = sizeof (filename);
file_details.lpstrInitialDir = init_dir;
file_details.lpstrTitle = SDATA (prompt);
file_details->lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
file_details->lpstrFile = filename;
file_details->nMaxFile = sizeof (filename);
file_details->lpstrInitialDir = init_dir;
file_details->lpstrTitle = SDATA (prompt);
if (! NILP (only_dir_p))
default_filter_index = 2;
file_details.nFilterIndex = default_filter_index;
file_details->nFilterIndex = default_filter_index;
file_details.Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
file_details->Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
| OFN_EXPLORER | OFN_ENABLEHOOK);
if (!NILP (mustmatch))
file_details.Flags |= OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
{
/* Require that the path to the parent directory exists. */
file_details->Flags |= OFN_PATHMUSTEXIST;
/* If we are looking for a file, require that it exists. */
if (NILP (only_dir_p))
file_details->Flags |= OFN_FILEMUSTEXIST;
}
file_details.lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
file_details->lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
file_opened = GetOpenFileName (&file_details);
file_opened = GetOpenFileName (file_details);
UNBLOCK_INPUT;
if (file_opened)
{
dostounix_filename (filename);
if (file_details.nFilterIndex == 2)
if (file_details->nFilterIndex == 2)
{
/* "Directories" selected - strip dummy file name. */
char * last = strrchr (filename, '/');