From 97f0d0ef348d7279d40fae8164a30b696258daa3 Mon Sep 17 00:00:00 2001 From: Guido Falsi Date: Thu, 16 Jul 2020 08:48:39 +0000 Subject: [PATCH] MFH: r542258 Update patch to Fix leaked keygrabs when layout changes to code merged upstream. PR: 244290 Submitted by: Aryeh Friedman , many others Obtained from: https://gitlab.xfce.org/xfce/libxfce4ui/-/merge_requests/2 Differential Revision: https://reviews.freebsd.org/D24995 Approved by: portmgr (joneum) --- x11/libxfce4menu/Makefile | 2 +- ...bxfce4kbd-private_xfce-shortcuts-grabber.c | 123 +++++++----------- 2 files changed, 50 insertions(+), 75 deletions(-) diff --git a/x11/libxfce4menu/Makefile b/x11/libxfce4menu/Makefile index c880d9f0a113..1e8924e56264 100644 --- a/x11/libxfce4menu/Makefile +++ b/x11/libxfce4menu/Makefile @@ -3,7 +3,7 @@ PORTNAME= libxfce4menu PORTVERSION= 4.14.1 -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= x11 xfce MASTER_SITES= XFCE DISTNAME= libxfce4ui-${DISTVERSIONFULL} diff --git a/x11/libxfce4menu/files/patch-libxfce4kbd-private_xfce-shortcuts-grabber.c b/x11/libxfce4menu/files/patch-libxfce4kbd-private_xfce-shortcuts-grabber.c index 45a0ada41560..cc012aa82466 100644 --- a/x11/libxfce4menu/files/patch-libxfce4kbd-private_xfce-shortcuts-grabber.c +++ b/x11/libxfce4menu/files/patch-libxfce4kbd-private_xfce-shortcuts-grabber.c @@ -1,99 +1,74 @@ ---- libxfce4kbd-private/xfce-shortcuts-grabber.c.orig 2020-04-08 15:05:21 UTC +--- libxfce4kbd-private/xfce-shortcuts-grabber.c.orig 2019-08-11 16:02:06 UTC +++ libxfce4kbd-private/xfce-shortcuts-grabber.c -@@ -74,6 +74,16 @@ struct _XfceKey +@@ -72,8 +72,9 @@ struct _XfceShortcutsGrabberPrivate + + struct _XfceKey { - guint keyval; - guint modifiers; -+ /* -+ * Cache of old keycodes grabbed by this key. Used to ungrab the keycodes we -+ * actually grabbed. -+ * -+ * An arbitrary number of keys may generate the same keyval. Rather than add -+ * memory allocation to this path, I just constrained the unmapping behavior -+ * to 8 identically coded keys. It seems unlikely? But I am no xkeyboard -+ * expert. -+ */ -+ int keycodes[8]; +- guint keyval; +- guint modifiers; ++ guint keyval; ++ guint modifiers; ++ GArray *keycodes; }; -@@ -269,12 +279,20 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra - } - - /* Get all keys generating keyval */ -- if (!gdk_keymap_get_entries_for_keyval (keymap,key->keyval, -+ if (grab && !gdk_keymap_get_entries_for_keyval (keymap,key->keyval, - &keys, &n_keys)) - { - TRACE ("Got no keys for keyval"); - return; - } -+ if (grab) -+ { -+ if (n_keys > G_N_ELEMENTS(key->keycodes)) -+ TRACE ("Got %d keys for keyval but can remember only %d", n_keys, -+ (int)G_N_ELEMENTS(key->keycodes)); -+ } -+ else -+ n_keys = G_N_ELEMENTS(key->keycodes); - - if (n_keys == 0) - { -@@ -290,9 +308,9 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra - for (i = 0; i < n_keys; i ++) - { - /* Grab all hardware keys generating keyval */ -+ if (grab) -+ TRACE ("New Keycode: %d", keys[i].keycode); - -- TRACE ("Keycode: %d", keys[i].keycode); -- - for (j = 0; j < screens; j++) - { - /* Do the grab on all screens */ -@@ -338,11 +356,14 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra - False, +@@ -339,10 +340,14 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra GrabModeAsync, GrabModeAsync); -- else -+ else { -+ if (key->keycodes[i] == -1) -+ break; - XUngrabKey (GDK_DISPLAY_XDISPLAY (display), + else +- XUngrabKey (GDK_DISPLAY_XDISPLAY (display), - keys[i].keycode, -+ key->keycodes[i], - modifiers | mod_masks [k], - root_window); -+ } +- modifiers | mod_masks [k], +- root_window); ++ { ++ if (i >= key->keycodes->len) ++ break; ++ XUngrabKey (GDK_DISPLAY_XDISPLAY (display), ++ g_array_index (key->keycodes, guint, i), ++ modifiers | mod_masks [k], ++ root_window); ++ } } gdk_flush (); -@@ -355,9 +376,18 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra +@@ -355,8 +360,20 @@ xfce_shortcuts_grabber_grab (XfceShortcutsGrabber *gra TRACE ("Failed to ungrab"); } } + /* Remember the old keycode, as we need it to ungrab. */ -+ if (grab && i < G_N_ELEMENTS (key->keycodes)) -+ key->keycodes[i] = keys[i].keycode; -+ else if (!grab) -+ key->keycodes[i] = -1; ++ if (grab) ++ g_array_append_val (key->keycodes, keys[i].keycode); ++ else ++ g_array_index(key->keycodes, guint, i) = UINT_MAX; } -- g_free (keys); -+ if (grab) { -+ g_free (keys); -+ for (; i < G_N_ELEMENTS (key->keycodes); i++) -+ key->keycodes[i] = -1; -+ } ++ /* Cleanup elements containing UINT_MAX from the key->keycodes array */ ++ for (i = key->keycodes->len - 1; i >= 0; i --) ++ { ++ if (g_array_index(key->keycodes, guint, i) == UINT_MAX) ++ g_array_remove_index_fast(key->keycodes, i); ++ } ++ + g_free (keys); } - -@@ -514,6 +544,8 @@ xfce_shortcuts_grabber_add (XfceShortcutsGrabber *grab +@@ -514,6 +531,7 @@ xfce_shortcuts_grabber_add (XfceShortcutsGrabber *grab g_return_if_fail (shortcut != NULL); key = g_new0 (XfceKey, 1); -+ for (size_t i = 0; i < G_N_ELEMENTS (key->keycodes); i++) -+ key->keycodes[i] = -1; ++ key->keycodes = g_array_new (FALSE, TRUE, sizeof (guint)); gtk_accelerator_parse (shortcut, &key->keyval, &key->modifiers); +@@ -523,7 +541,10 @@ xfce_shortcuts_grabber_add (XfceShortcutsGrabber *grab + g_hash_table_insert (grabber->priv->keys, g_strdup (shortcut), key); + } + else +- g_free (key); ++ { ++ g_array_free (key->keycodes, TRUE); ++ g_free (key); ++ } + } + +