[gtk/wip/matthiasc/shortcut-4: 114/139] shortcutcontroller: Implement mnemonic cycling
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/matthiasc/shortcut-4: 114/139] shortcutcontroller: Implement mnemonic cycling
- Date: Thu, 26 Mar 2020 02:46:26 +0000 (UTC)
commit d4c03006b2e1ecf76275ee99e9d748eff8470302
Author: Matthias Clasen <mclasen redhat com>
Date: Sun Mar 22 12:55:49 2020 -0400
shortcutcontroller: Implement mnemonic cycling
Make GtkShortcutController collect matching shortcuts
in the same way GtkKeyHash did (accept fuzzy matches
if we don't have any exact matches), and cycle among
the matches if we have multiple.
gtk/gtkshortcutcontroller.c | 113 +++++++++++++++++++++++++++++++-------------
1 file changed, 80 insertions(+), 33 deletions(-)
---
diff --git a/gtk/gtkshortcutcontroller.c b/gtk/gtkshortcutcontroller.c
index 31c12d0195..8d2c5f1f35 100644
--- a/gtk/gtkshortcutcontroller.c
+++ b/gtk/gtkshortcutcontroller.c
@@ -55,6 +55,8 @@ struct _GtkShortcutController
GdkModifierType mnemonics_modifiers;
guint custom_shortcuts : 1;
+
+ guint last_activated;
};
struct _GtkShortcutControllerClass
@@ -238,31 +240,18 @@ gtk_shortcut_controller_finalize (GObject *object)
G_OBJECT_CLASS (gtk_shortcut_controller_parent_class)->finalize (object);
}
-static gboolean
-gtk_shortcut_controller_trigger_shortcut (GtkShortcutController *self,
- GtkShortcut *shortcut,
- guint position,
- GdkEvent *event,
- gboolean enable_mnemonics)
-{
- GtkWidget *widget;
+typedef struct {
+ GtkShortcut *shortcut;
+ guint index;
+} ShortcutData;
- if (gtk_shortcut_trigger_trigger (gtk_shortcut_get_trigger (shortcut), event, enable_mnemonics) ==
GTK_SHORTCUT_TRIGGER_MATCH_NONE)
- return FALSE;
-
- widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (self));
- if (!self->custom_shortcuts &&
- GTK_IS_FLATTEN_LIST_MODEL (self->shortcuts))
- {
- GListModel *model = gtk_flatten_list_model_get_model_for_item (GTK_FLATTEN_LIST_MODEL
(self->shortcuts), position);
- if (GTK_IS_SHORTCUT_CONTROLLER (model))
- widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (model));
- }
+static void
+shortcut_data_free (gpointer data)
+{
+ ShortcutData *sdata = data;
- return gtk_shortcut_action_activate (gtk_shortcut_get_action (shortcut),
- GTK_SHORTCUT_ACTION_EXCLUSIVE, /* FIXME */
- widget,
- gtk_shortcut_get_arguments (shortcut));
+ g_object_unref (sdata->shortcut);
+ g_free (sdata);
}
static gboolean
@@ -274,21 +263,79 @@ gtk_shortcut_controller_run_controllers (GtkEventController *controller,
{
GtkShortcutController *self = GTK_SHORTCUT_CONTROLLER (controller);
guint i;
+ GSList *shortcuts = NULL;
+ GSList *l;
+ gboolean has_exact = FALSE;
+ gboolean retval = FALSE;
for (i = 0; i < g_list_model_get_n_items (self->shortcuts); i++)
{
- GtkShortcut *shortcut = g_list_model_get_item (self->shortcuts, i);
- g_object_unref (shortcut);
-
- if (gtk_shortcut_controller_trigger_shortcut (self,
- shortcut,
- i,
- event,
- enable_mnemonics))
- return TRUE;
+ GtkShortcut *shortcut;
+ ShortcutData *data;
+ guint index;
+
+ index = (self->last_activated + 1 + i) % g_list_model_get_n_items (self->shortcuts);
+ shortcut = g_list_model_get_item (self->shortcuts, index);
+
+ switch (gtk_shortcut_trigger_trigger (gtk_shortcut_get_trigger (shortcut), event, enable_mnemonics))
+ {
+ case GTK_SHORTCUT_TRIGGER_MATCH_PARTIAL:
+ if (!has_exact)
+ break;
+ G_GNUC_FALLTHROUGH;
+
+ case GTK_SHORTCUT_TRIGGER_MATCH_NONE:
+ g_object_unref (shortcut);
+ continue;
+
+ case GTK_SHORTCUT_TRIGGER_MATCH_EXACT:
+ if (!has_exact)
+ {
+ g_slist_free_full (shortcuts, shortcut_data_free);
+ shortcuts = NULL;
+ }
+ has_exact = TRUE;
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ data = g_new0 (ShortcutData, 1);
+ data->shortcut = shortcut;
+ data->index = index;
+
+ shortcuts = g_slist_append (shortcuts, data);
+ }
+
+ for (l = shortcuts; l; l = l->next)
+ {
+ ShortcutData *data = l->data;
+ GtkWidget *widget;
+
+ widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (self));
+ if (!self->custom_shortcuts &&
+ GTK_IS_FLATTEN_LIST_MODEL (self->shortcuts))
+ {
+ GListModel *model = gtk_flatten_list_model_get_model_for_item (GTK_FLATTEN_LIST_MODEL
(self->shortcuts), data->index);
+ if (GTK_IS_SHORTCUT_CONTROLLER (model))
+ widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (model));
+ }
+
+ if (gtk_shortcut_action_activate (gtk_shortcut_get_action (data->shortcut),
+ shortcuts->next == NULL ? GTK_SHORTCUT_ACTION_EXCLUSIVE : 0,
+ widget,
+ gtk_shortcut_get_arguments (data->shortcut)))
+ {
+ self->last_activated = data->index;
+ retval = TRUE;
+ break;
+ }
}
- return FALSE;
+ g_slist_free_full (shortcuts, shortcut_data_free);
+
+ return retval;
}
static gboolean
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