James Vega wrote:
On Fri, Nov 13, 2009 at 5:39 PM, Bram Moolenaar<b...@moolenaar.net> wrote:
Tim Starling wrote:
GtkFileChooser is disabled in gvim, because gvim exits gtk_main() level
1 every time an event is received, causing GTK to write to the disk
excessively.
[snip]
That turns out to be unnecessary, since all GMainLoop does is calls
g_main_context_iteration() repeatedly, until it's time to exit. The
actual task of registering event sources and calling select() is done by
GMainContext, which exists whether or not a GMainLoop has been created.
Thus by calling g_main_context_iteration() at the relevant places, vim
can leave main_loop() unmodified.
My patch does this, and removes all calls to gtk_main_quit() except the
ones in modal dialogs. Modal dialogs are now implemented by calling
gtk_main() once only, and allowing the button handlers to call
gtk_main_quit(), just like in a regular GTK application.
[snip]
I'm very glad to see someone is picking up a GTK problem. Hardly any
work was done on GTK for a long time.
I would appreciate it if a few people try this out and report any
problems they notice.
Given the recent removal of GTK 1 support, attached is an updated patch.
Though I never use the file open dialog, I just tried the patch.
On the Ubuntu 9.04, file chooser worked fine.
But, on the cygwin, a problem occurs.
Without the patch, there's no problem to open file open dialog.
$ uname -a
CYGWIN_NT-5.1 namsh 1.7.5(0.225/5/3) 2010-04-12 19:07 i686 Cygwin
If I run 'vim -f -g' (foreground), file chooser worked fine.
If I run 'vim -g' (background), VIM died with SIGSEGV.
I run vim as below to get backtrace:
$ LANG= ./vim.exe -g -u NONE -U NONE --noplugin
$ gdb ./vim.exe
GNU gdb 6.8.0.20080328-cvs (cygwin-special)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-cygwin"...
(gdb) attach 4036
Attaching to program `/s/vim-unix/src/vim.exe', process 4036
...
... [snip...]
...
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
[Switching to thread 4036.0xa50]
0x76ba1ef4 in ?? ()
(gdb) bt
#0 0x76ba1ef4 in ?? ()
#1 0x6ff41755 in g_module_symbol () from /usr/bin/cyggmodule-2.0-0.dll
#2 0x6ff41db3 in g_module_open () from /usr/bin/cyggmodule-2.0-0.dll
#3 0x681675a5 in g_io_modules_load_all_in_directory ()
from /usr/bin/cyggio-2.0-0.dll
#4 0x6e5a3526 in g_type_module_use () from /usr/bin/cyggobject-2.0-0.dll
#5 0x68167348 in g_io_modules_load_all_in_directory ()
from /usr/bin/cyggio-2.0-0.dll
#6 0x68167466 in g_io_modules_load_all_in_directory ()
from /usr/bin/cyggio-2.0-0.dll
#7 0x6817dffb in g_vfs_is_active () from /usr/bin/cyggio-2.0-0.dll
#8 0x6aa8b50e in g_once_impl () from /usr/bin/cygglib-2.0-0.dll
#9 0x6817dc5c in g_vfs_get_default () from /usr/bin/cyggio-2.0-0.dll
#10 0x6814e773 in g_file_new_for_path () from /usr/bin/cyggio-2.0-0.dll
#11 0x6af6030f in gtk_recent_manager_get_for_screen ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#12 0x6e588f36 in g_object_freeze_notify () from
/usr/bin/cyggobject-2.0-0.dll
#13 0x6e58a4a6 in g_object_newv () from /usr/bin/cyggobject-2.0-0.dll
#14 0x6e58a9ed in g_object_new_valist () from /usr/bin/cyggobject-2.0-0.dll
#15 0x6e58ab46 in g_object_new () from /usr/bin/cyggobject-2.0-0.dll
#16 0x6af5fddb in gtk_recent_manager_new () from
/usr/bin/cyggtk-x11-2.0-0.dll
#17 0x6af5fdfc in gtk_recent_manager_get_default ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#18 0x6aebbef9 in gtk_file_chooser_button_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#19 0x6e5a256a in g_type_create_instance () from
/usr/bin/cyggobject-2.0-0.dll
#20 0x6e588e2a in g_object_freeze_notify () from
/usr/bin/cyggobject-2.0-0.dll
#21 0x6aebe945 in gtk_file_chooser_button_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#22 0x6e58a4a6 in g_object_newv () from /usr/bin/cyggobject-2.0-0.dll
#23 0x6e58a9ed in g_object_new_valist () from /usr/bin/cyggobject-2.0-0.dll
#24 0x6e58ab46 in g_object_new () from /usr/bin/cyggobject-2.0-0.dll
#25 0x6aeaf11b in gtk_file_chooser_button_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#26 0x6aec4513 in gtk_file_chooser_widget_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#27 0x6e58a4a6 in g_object_newv () from /usr/bin/cyggobject-2.0-0.dll
#28 0x6e58a9ed in g_object_new_valist () from /usr/bin/cyggobject-2.0-0.dll
---Type <return> to continue, or q <return> to quit---
#29 0x6e58ab46 in g_object_new () from /usr/bin/cyggobject-2.0-0.dll
#30 0x6aec01e5 in gtk_file_chooser_dialog_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#31 0x6e58a4a6 in g_object_newv () from /usr/bin/cyggobject-2.0-0.dll
#32 0x6e58aa18 in g_object_new_valist () from /usr/bin/cyggobject-2.0-0.dll
#33 0x6e58ab46 in g_object_new () from /usr/bin/cyggobject-2.0-0.dll
#34 0x6aebfde0 in gtk_file_chooser_dialog_get_type ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#35 0x6aebfe89 in gtk_file_chooser_dialog_new ()
from /usr/bin/cyggtk-x11-2.0-0.dll
#36 0x0054f73e in gui_mch_browse (saving=0, title=0x5785a5 "Edit File",
dflt=0xf05030 "", ext=0x0, initdir=0x0,
filter=0x584f5c "All Files (*)\t*\nC source (*.c,
*.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVim files (*.vim,
_vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n") at gui_gtk.c:859
#37 0x0049cdce in do_browse (flags=0, title=0x5785a5 "Edit File",
dflt=0xf05030 "", ext=0x0, initdir=0x0,
filter=0x584f5c "All Files (*)\t*\nC source (*.c,
*.h)\t*.c;*.h\nC++ source (*.cpp, *.hpp)\t*.cpp;*.hpp\nVim files (*.vim,
_vimrc, _gvimrc)\t*.vim;_vimrc;_gvimrc\n", buf=0xc6b150) at message.c:3804
#38 0x0043c745 in do_ecmd (fnum=0, ffname=0xf05030 "", sfname=0x0,
eap=0x22c9e0, newlnum=1, flags=0, oldwin=0xc6a1c8) at ex_cmds.c:3177
#39 0x00455571 in do_exedit (eap=0x22c9e0, old_curwin=0x0) at
ex_docmd.c:7626
#40 0x00455f09 in ex_edit (eap=0x22c9e0) at ex_docmd.c:7522
#41 0x004526d9 in do_cmdline (cmdline=0x0, getline=0x461c10 <getexline>,
cookie=0x0, flags=0) at ex_docmd.c:2640
#42 0x004c0cff in nv_colon (cap=0x22cb38) at normal.c:5245
#43 0x004c2758 in normal_cmd (oap=0x22cb9c, toplevel=1) at normal.c:1188
#44 0x0048441f in main_loop (cmdwin=0, noexmode=0) at main.c:1216
#45 0x0048719a in main (argc=2090061788, argv=0x612288b4) at main.c:960
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