Move dialpad into a widget of its own

Let's face it, the whole thing was getting a little unwieldly there in the
UI utils, and if we're going to be using it in more places, let's start by
abstracting it into a widget.

1 files changed, 187 insertions, 0 deletions

diff --git a/libempathy-gtk/empathy-dialpad-widget.c b/libempathy-gtk/empathy-dialpad-widget.c
new file mode 100644
index 000000000..fd93b834e
--- /dev/null
+++ b/libempathy-gtk/empathy-dialpad-widget.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2011 Collabora Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA
+ *
+ * Authors: Danielle Madeley <danielle.madeley@collabora.co.uk>
+ */
+
+#include <config.h>
+
+#include <telepathy-glib/telepathy-glib.h>
+
+#include "empathy-dialpad-widget.h"
+
+G_DEFINE_TYPE (EmpathyDialpadWidget, empathy_dialpad_widget, GTK_TYPE_BOX);
+
+enum /* signals */
+{
+  START_TONE,
+  STOP_TONE,
+
+  NUM_SIGNALS
+};
+
+static guint signals[NUM_SIGNALS] = { 0, };
+
+struct _EmpathyDialpadWidgetPrivate
+{
+  GtkWidget *entry;
+};
+
+static void
+empathy_dialpad_widget_class_init (EmpathyDialpadWidgetClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  signals[START_TONE] = g_signal_new ("start-tone",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0, NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      1, G_TYPE_UINT);
+
+  signals[STOP_TONE] = g_signal_new ("stop-tone",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0, NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      1, G_TYPE_UINT);
+
+  g_type_class_add_private (gobject_class,
+      sizeof (EmpathyDialpadWidgetPrivate));
+}
+
+static gboolean
+dtmf_dialpad_button_pressed_cb (GtkWidget *button,
+    GdkEventButton *event,
+    EmpathyDialpadWidget *self)
+{
+  GtkEntryBuffer *buffer = gtk_entry_get_buffer (GTK_ENTRY (self->priv->entry));
+  TpDTMFEvent tone = GPOINTER_TO_UINT (g_object_get_data (
+        G_OBJECT (button), "dtmf-value"));
+  const gchar *label = g_object_get_data (G_OBJECT (button), "string-value");
+
+  g_signal_emit (self, signals[START_TONE], 0, tone);
+
+  gtk_entry_buffer_insert_text (buffer, -1, label, -1);
+
+  return FALSE;
+}
+
+static gboolean
+dtmf_dialpad_button_released_cb (GtkWidget *button,
+    GdkEventButton *event,
+    EmpathyDialpadWidget *self)
+{
+  TpDTMFEvent tone = GPOINTER_TO_UINT (g_object_get_data (
+        G_OBJECT (button), "dtmf-value"));
+
+  g_signal_emit (self, signals[STOP_TONE], 0, tone);
+
+  return FALSE;
+}
+
+static void
+empathy_dialpad_widget_init (EmpathyDialpadWidget *self)
+{
+  GtkWidget *table;
+  int i;
+
+  struct {
+    const gchar *label;
+    const gchar *sublabel;
+    TpDTMFEvent event;
+  } dtmfbuttons[] = { { "1", "",     TP_DTMF_EVENT_DIGIT_1 },
+                      { "2", "abc",  TP_DTMF_EVENT_DIGIT_2 },
+                      { "3", "def",  TP_DTMF_EVENT_DIGIT_3 },
+                      { "4", "ghi",  TP_DTMF_EVENT_DIGIT_4 },
+                      { "5", "jkl",  TP_DTMF_EVENT_DIGIT_5 },
+                      { "6", "mno",  TP_DTMF_EVENT_DIGIT_6 },
+                      { "7", "pqrs", TP_DTMF_EVENT_DIGIT_7 },
+                      { "8", "tuv",  TP_DTMF_EVENT_DIGIT_8 },
+                      { "9", "wxyz", TP_DTMF_EVENT_DIGIT_9 },
+                      { "#", "",     TP_DTMF_EVENT_HASH },
+                      { "0", "",     TP_DTMF_EVENT_DIGIT_0 },
+                      { "*", "",     TP_DTMF_EVENT_ASTERISK },
+                      { NULL, } };
+
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_DIALPAD_WIDGET,
+      EmpathyDialpadWidgetPrivate);
+
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
+      GTK_ORIENTATION_VERTICAL);
+  gtk_box_set_spacing (GTK_BOX (self), 3);
+
+  self->priv->entry = gtk_entry_new ();
+  gtk_editable_set_editable (GTK_EDITABLE (self->priv->entry), FALSE);
+
+  gtk_box_pack_start (GTK_BOX (self), self->priv->entry, FALSE, FALSE, 3);
+
+  table = gtk_table_new (4, 3, TRUE);
+
+  for (i = 0; dtmfbuttons[i].label != NULL; i++)
+    {
+      GtkWidget *vbox = gtk_vbox_new (FALSE, 0);
+      GtkWidget *button = gtk_button_new ();
+      GtkWidget *label;
+      gchar *str;
+
+      gtk_container_add (GTK_CONTAINER (button), vbox);
+
+      /* main label */
+      label = gtk_label_new ("");
+      str = g_strdup_printf ("<span size='x-large'>%s</span>",
+          dtmfbuttons[i].label);
+      gtk_label_set_markup (GTK_LABEL (label), str);
+      g_free (str);
+
+      gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 3);
+
+      /* sub label */
+      label = gtk_label_new ("");
+      str = g_strdup_printf (
+          "<span foreground='#555555'>%s</span>",
+          dtmfbuttons[i].sublabel);
+      gtk_label_set_markup (GTK_LABEL (label), str);
+      g_free (str);
+
+      gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 0);
+
+      gtk_table_attach (GTK_TABLE (table), button, i % 3, i % 3 + 1,
+        i / 3, i / 3 + 1, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 1, 1);
+
+      g_object_set_data (G_OBJECT (button), "dtmf-value",
+        GUINT_TO_POINTER (dtmfbuttons[i].event));
+      g_object_set_data (G_OBJECT (button), "string-value",
+          (gpointer) dtmfbuttons[i].label);
+
+      g_signal_connect (G_OBJECT (button), "button-press-event",
+        G_CALLBACK (dtmf_dialpad_button_pressed_cb), self);
+      g_signal_connect (G_OBJECT (button), "button-release-event",
+        G_CALLBACK (dtmf_dialpad_button_released_cb), self);
+    }
+
+  gtk_box_pack_start (GTK_BOX (self), table, FALSE, FALSE, 3);
+}
+
+GtkWidget *
+empathy_dialpad_widget_new (void)
+{
+  return g_object_new (EMPATHY_TYPE_DIALPAD_WIDGET, NULL);
+}