[gtk/shortcuts-rebased-again: 58/117] gtk-demo: Add a dumb demo for shortcut triggers
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/shortcuts-rebased-again: 58/117] gtk-demo: Add a dumb demo for shortcut triggers
- Date: Fri, 21 Jun 2019 15:32:24 +0000 (UTC)
commit d222e5404428ce1e0c70d3878e126fdacc53ddd1
Author: Benjamin Otte <otte redhat com>
Date: Sun Aug 12 01:40:03 2018 +0200
gtk-demo: Add a dumb demo for shortcut triggers
demos/gtk-demo/demo.gresource.xml | 1 +
demos/gtk-demo/meson.build | 1 +
demos/gtk-demo/shortcut_triggers.c | 92 ++++++++++++++++++++++++++++++++++++++
3 files changed, 94 insertions(+)
---
diff --git a/demos/gtk-demo/demo.gresource.xml b/demos/gtk-demo/demo.gresource.xml
index ca8558dc29..148a0c434b 100644
--- a/demos/gtk-demo/demo.gresource.xml
+++ b/demos/gtk-demo/demo.gresource.xml
@@ -204,6 +204,7 @@
<file>search_entry.c</file>
<file>search_entry2.c</file>
<file>shortcuts.c</file>
+ <file>shortcut_triggers.c</file>
<file>sizegroup.c</file>
<file>sidebar.c</file>
<file>sliding_puzzle.c</file>
diff --git a/demos/gtk-demo/meson.build b/demos/gtk-demo/meson.build
index 87e5ae4f85..1ffcc5d992 100644
--- a/demos/gtk-demo/meson.build
+++ b/demos/gtk-demo/meson.build
@@ -59,6 +59,7 @@ demos = files([
'search_entry.c',
'search_entry2.c',
'shortcuts.c',
+ 'shortcut_triggers.c',
'sidebar.c',
'sizegroup.c',
'sliding_puzzle.c',
diff --git a/demos/gtk-demo/shortcut_triggers.c b/demos/gtk-demo/shortcut_triggers.c
new file mode 100644
index 0000000000..79c3b8bc55
--- /dev/null
+++ b/demos/gtk-demo/shortcut_triggers.c
@@ -0,0 +1,92 @@
+/* Shortcuts
+ *
+ * GtkShortcut is the abstraction used by GTK to handle shortcuts from
+ * keyboard or other input devices.
+ *
+ * Shortcut triggers can be used to weave complex sequences of key
+ * presses into sophisticated mechanisms to activate shortcuts.
+ *
+ * This demo code shows creative ways to do that.
+ */
+
+#include <gtk/gtk.h>
+
+static GtkWidget *window = NULL;
+
+static gboolean
+shortcut_activated (GtkWidget *window,
+ GVariant *unused,
+ gpointer row)
+{
+ g_print ("activated %s\n", gtk_label_get_label (row));
+ return TRUE;
+}
+
+static GtkShortcutTrigger *
+create_ctrl_g (void)
+{
+ return gtk_keyval_trigger_new (GDK_KEY_g, GDK_CONTROL_MASK);
+}
+
+static GtkShortcutTrigger *
+create_x (void)
+{
+ return gtk_keyval_trigger_new (GDK_KEY_x, 0);
+}
+
+struct {
+ char *description;
+ GtkShortcutTrigger * (* create_trigger_func) (void);
+} shortcuts[] = {
+ { "Press Ctrl-G", create_ctrl_g },
+ { "Press X", create_x },
+};
+
+GtkWidget *
+do_shortcut_triggers (GtkWidget *do_widget)
+{
+ guint i;
+
+ if (!window)
+ {
+ GtkWidget *list;
+ GtkEventController *controller;
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_window_set_display (GTK_WINDOW (window),
+ gtk_widget_get_display (do_widget));
+ gtk_window_set_title (GTK_WINDOW (window), "Shortcuts");
+
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_widget_destroyed), &window);
+
+ list = gtk_list_box_new ();
+ g_object_set (list, "margin", 6, NULL);
+ gtk_container_add (GTK_CONTAINER (window), list);
+
+ for (i = 0; i < G_N_ELEMENTS (shortcuts); i++)
+ {
+ GtkShortcut *shortcut;
+ GtkWidget *row;
+
+ row = gtk_label_new (shortcuts[i].description);
+ gtk_container_add (GTK_CONTAINER (list), row);
+
+ controller = gtk_shortcut_controller_new ();
+ gtk_shortcut_controller_set_scope (GTK_SHORTCUT_CONTROLLER (controller),
GTK_SHORTCUT_SCOPE_GLOBAL);
+ gtk_widget_add_controller (row, controller);
+
+ shortcut = gtk_shortcut_new ();
+ gtk_shortcut_set_trigger (shortcut, shortcuts[i].create_trigger_func());
+ gtk_shortcut_set_callback (shortcut, shortcut_activated, row, NULL);
+ gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
+ }
+ }
+
+ if (!gtk_widget_get_visible (window))
+ gtk_widget_show (window);
+ else
+ gtk_widget_destroy (window);
+
+ return window;
+}
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