ports/137635: multimedia/vlc breaks keyboard input processing
Joseph S. Atkinson
jsa.bsd at gmail.com
Tue Nov 17 20:40:03 UTC 2009
The following reply was made to PR ports/137635; it has been noted by GNATS.
From: "Joseph S. Atkinson" <jsa.bsd at gmail.com>
To: bug-followup at FreeBSD.org, Matti Saarinen <mjsaarin at cc.helsinki.fi>,
Doug Barton <dougb at dougbarton.us>,
Eric Muller <ecmuller at gmail.com>
Cc:
Subject: Re: ports/137635: multimedia/vlc breaks keyboard input processing
Date: Tue, 17 Nov 2009 15:32:32 -0500
This is a multi-part message in MIME format.
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This appears to be a known issue. It's not something I could duplicate
personally, but was widely reported. VLC fixed this in git, but I got them to
backport it to the bugfix branch from which 1.0.4 will be cut.
This is a diff to apply to 1.0.3.
To test it, put it in ${PORTSDIR}/multimedia/vlc/files/ and `make build
deinstall reinstall`.
Sorry that it has taken me so long to address this.
If this works for you all (and I have one report that it does so far), dougb@
should be able to commit it.
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name="patch-modules__control__globalhotkeys__xcb.c"
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Content-Disposition: inline;
filename="patch-modules__control__globalhotkeys__xcb.c"
--- ./modules/control/globalhotkeys/xcb.c.orig 2009-05-10 19:03:55.000000000 -0400
+++ ./modules/control/globalhotkeys/xcb.c 2009-11-17 13:39:36.000000000 -0500
@@ -28,6 +28,7 @@
#include <vlc_interface.h>
#include <vlc_keys.h>
#include <ctype.h>
+#include <errno.h>
#include <xcb/xcb.h>
#include <xcb/xcb_keysyms.h>
@@ -56,7 +57,11 @@
typedef struct
{
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
xcb_keycode_t i_x11;
+#else
+ xcb_keycode_t *p_keys;
+#endif
unsigned i_modifier;
int i_action;
} hotkey_mapping_t;
@@ -96,7 +101,7 @@
p_sys->p_connection = xcb_connect( psz_display, &i_screen_default );
free( psz_display );
- if( !p_sys->p_connection )
+ if( xcb_connection_has_error( p_sys->p_connection ) )
goto error;
/* Get the root windows of the default screen */
@@ -125,6 +130,10 @@
if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
{
Unregister( p_intf );
+#ifndef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
+ if( p_sys->p_map )
+ free( p_sys->p_map->p_keys );
+#endif
free( p_sys->p_map );
goto error;
}
@@ -133,8 +142,7 @@
error:
if( p_sys->p_symbols )
xcb_key_symbols_free( p_sys->p_symbols );
- if( p_sys->p_connection )
- xcb_disconnect( p_sys->p_connection );
+ xcb_disconnect( p_sys->p_connection );
free( p_sys );
return VLC_EGENERIC;
}
@@ -151,6 +159,10 @@
vlc_join( p_sys->thread, NULL );
Unregister( p_intf );
+#ifndef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
+ if( p_sys->p_map )
+ free( p_sys->p_map->p_keys );
+#endif
free( p_sys->p_map );
xcb_key_symbols_free( p_sys->p_symbols );
@@ -164,16 +176,43 @@
static unsigned GetModifier( xcb_connection_t *p_connection, xcb_key_symbols_t *p_symbols, xcb_keysym_t sym )
{
static const unsigned pi_mask[8] = {
- XCB_MOD_MASK_SHIFT, XCB_MOD_MASK_LOCK, XCB_MOD_MASK_CONTROL, XCB_MOD_MASK_1,
- XCB_MOD_MASK_2, XCB_MOD_MASK_3, XCB_MOD_MASK_4, XCB_MOD_MASK_5
+ XCB_MOD_MASK_SHIFT, XCB_MOD_MASK_LOCK, XCB_MOD_MASK_CONTROL,
+ XCB_MOD_MASK_1, XCB_MOD_MASK_2, XCB_MOD_MASK_3,
+ XCB_MOD_MASK_4, XCB_MOD_MASK_5
};
+ if( sym == 0 )
+ return 0; /* no modifier */
+
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
const xcb_keycode_t key = xcb_key_symbols_get_keycode( p_symbols, sym );
if( key == 0 )
return 0;
+#else
+ const xcb_keycode_t *p_keys = xcb_key_symbols_get_keycode( p_symbols, sym );
+ if( !p_keys )
+ return 0;
- xcb_get_modifier_mapping_cookie_t r = xcb_get_modifier_mapping( p_connection );
- xcb_get_modifier_mapping_reply_t *p_map = xcb_get_modifier_mapping_reply( p_connection, r, NULL );
+ int i = 0;
+ bool no_modifier = true;
+ while( p_keys[i] != XCB_NO_SYMBOL )
+ {
+ if( p_keys[i] != 0 )
+ {
+ no_modifier = false;
+ break;
+ }
+ i++;
+ }
+
+ if( no_modifier )
+ return 0;
+#endif
+
+ xcb_get_modifier_mapping_cookie_t r =
+ xcb_get_modifier_mapping( p_connection );
+ xcb_get_modifier_mapping_reply_t *p_map =
+ xcb_get_modifier_mapping_reply( p_connection, r, NULL );
if( !p_map )
return 0;
@@ -181,20 +220,30 @@
if( !p_keycode )
return 0;
- unsigned i_mask = 0;
for( int i = 0; i < 8; i++ )
- {
for( int j = 0; j < p_map->keycodes_per_modifier; j++ )
- {
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
if( p_keycode[i * p_map->keycodes_per_modifier + j] == key )
- i_mask = pi_mask[i];
- }
- }
+ {
+ free( p_map );
+ return pi_mask[i];
+ }
+#else
+ for( int k = 0; p_keys[k] != XCB_NO_SYMBOL; k++ )
+ if( p_keycode[i*p_map->keycodes_per_modifier + j] == p_keys[k])
+ {
+ free( p_map );
+ return pi_mask[i];
+ }
+#endif
free( p_map ); // FIXME to check
- return i_mask;
+ return 0;
}
-static unsigned GetX11Modifier( xcb_connection_t *p_connection, xcb_key_symbols_t *p_symbols, unsigned i_vlc )
+
+
+static unsigned GetX11Modifier( xcb_connection_t *p_connection,
+ xcb_key_symbols_t *p_symbols, unsigned i_vlc )
{
unsigned i_mask = 0;
@@ -225,7 +274,6 @@
{ XK_Return, KEY_ENTER },
{ XK_KP_Enter, KEY_ENTER },
- { XK_space, KEY_SPACE },
{ XK_Escape, KEY_ESC },
{ XK_Menu, KEY_MENU },
@@ -253,16 +301,16 @@
};
static xcb_keysym_t GetX11Key( unsigned i_vlc )
{
+ /* X11 and VLC use ASCII for printable ASCII characters */
+ if( i_vlc >= 32 && i_vlc <= 127 )
+ return i_vlc;
+
for( int i = 0; x11keys_to_vlckeys[i].i_vlc != 0; i++ )
{
if( x11keys_to_vlckeys[i].i_vlc == i_vlc )
return x11keys_to_vlckeys[i].i_x11;
}
- /* Copied from xcb, it seems that xcb use ascii code for ascii characters */
- if( isascii( i_vlc ) )
- return i_vlc;
-
return XK_VoidSymbol;
}
@@ -281,7 +329,7 @@
p_sys->p_map = NULL;
/* Registering of Hotkeys */
- for( struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
+ for( const struct hotkey *p_hotkey = p_intf->p_libvlc->p_hotkeys;
p_hotkey->psz_action != NULL;
p_hotkey++ )
{
@@ -291,23 +339,34 @@
const int i_vlc_action = p_hotkey->i_action;
const int i_vlc_key = config_GetInt( p_intf, psz_hotkey );
-
free( psz_hotkey );
if( !i_vlc_key )
continue;
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
+ const xcb_keycode_t key = xcb_key_symbols_get_keycode(
+ p_sys->p_symbols, GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
+#else
+ xcb_keycode_t *p_keys = xcb_key_symbols_get_keycode(
+ p_sys->p_symbols, GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
+ if( !p_keys )
+ continue;
+#endif
+ const unsigned i_modifier = GetX11Modifier( p_sys->p_connection,
+ p_sys->p_symbols, i_vlc_key & KEY_MODIFIER );
- const xcb_keycode_t key = xcb_key_symbols_get_keycode( p_sys->p_symbols, GetX11Key( i_vlc_key & ~KEY_MODIFIER ) );
- const unsigned i_modifier = GetX11Modifier( p_sys->p_connection, p_sys->p_symbols, i_vlc_key & KEY_MODIFIER );
-
- for( int j = 0; j < sizeof(p_x11_modifier_ignored)/sizeof(*p_x11_modifier_ignored); j++ )
+ const size_t max = sizeof(p_x11_modifier_ignored) /
+ sizeof(*p_x11_modifier_ignored);
+ for( unsigned int i = 0; i < max; i++ )
{
- const unsigned i_ignored = GetModifier( p_sys->p_connection, p_sys->p_symbols, p_x11_modifier_ignored[j] );
- if( j != 0 && i_ignored == 0x00)
+ const unsigned i_ignored = GetModifier( p_sys->p_connection,
+ p_sys->p_symbols, p_x11_modifier_ignored[i] );
+ if( i != 0 && i_ignored == 0)
continue;
hotkey_mapping_t *p_map_old = p_sys->p_map;
- p_sys->p_map = realloc( p_sys->p_map, sizeof(*p_sys->p_map) * (p_sys->i_map+1) );
+ p_sys->p_map = realloc( p_sys->p_map,
+ sizeof(*p_sys->p_map) * (p_sys->i_map+1) );
if( !p_sys->p_map )
{
p_sys->p_map = p_map_old;
@@ -315,7 +374,11 @@
}
hotkey_mapping_t *p_map = &p_sys->p_map[p_sys->i_map++];
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
p_map->i_x11 = key;
+#else
+ p_map->p_keys = p_keys;
+#endif
p_map->i_modifier = i_modifier|i_ignored;
p_map->i_action = i_vlc_action;
}
@@ -329,9 +392,18 @@
for( int i = 0; i < p_sys->i_map; i++ )
{
const hotkey_mapping_t *p_map = &p_sys->p_map[i];
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
xcb_grab_key( p_sys->p_connection, true, p_sys->root,
p_map->i_modifier, p_map->i_x11,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC );
+#else
+ for( int j = 0; p_map->p_keys[j] != XCB_NO_SYMBOL; j++ )
+ {
+ xcb_grab_key( p_sys->p_connection, true, p_sys->root,
+ p_map->i_modifier, p_map->p_keys[j],
+ XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC );
+ }
+#endif
}
}
static void Unregister( intf_thread_t *p_intf )
@@ -341,7 +413,14 @@
for( int i = 0; i < p_sys->i_map; i++ )
{
const hotkey_mapping_t *p_map = &p_sys->p_map[i];
- xcb_ungrab_key( p_sys->p_connection, p_map->i_x11, p_sys->root, p_map->i_modifier );
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
+ xcb_ungrab_key( p_sys->p_connection, p_map->i_x11, p_sys->root,
+ p_map->i_modifier );
+#else
+ for( int j = 0; p_map->p_keys[j] != XCB_NO_SYMBOL; j++ )
+ xcb_ungrab_key( p_sys->p_connection, p_map->p_keys[j], p_sys->root,
+ p_map->i_modifier );
+#endif
}
}
@@ -387,12 +466,28 @@
{
hotkey_mapping_t *p_map = &p_sys->p_map[i];
+#ifdef XCB_KEYSYM_OLD_API /* as seen in Debian Lenny */
if( p_map->i_x11 == e->detail &&
p_map->i_modifier == e->state )
{
- var_SetInteger( p_intf->p_libvlc, "key-action", p_map->i_action );
+ var_SetInteger( p_intf->p_libvlc, "key-action",
+ p_map->i_action );
break;
}
+#else
+ bool loop_break = false;
+ for( int j = 0; p_map->p_keys[j] != XCB_NO_SYMBOL; j++ )
+ if( p_map->p_keys[j] == e->detail &&
+ p_map->i_modifier == e->state )
+ {
+ var_SetInteger( p_intf->p_libvlc, "key-action",
+ p_map->i_action );
+ loop_break = true;
+ break;
+ }
+ if( loop_break )
+ break;
+#endif
}
free( p_event );
}
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