* SECTION:hildon-check-button
* @short_description: Button with a check box inside
*
- * This is a standard GtkButton which contains a check box and a
- * label. Functions are provided to get and set the values of both the
- * check box and the label. Standard GtkButton methods must not be
- * used for that.
+ * This is a standard #GtkButton which contains a check box and a
+ * label. Functions are provided to get and set the value of the check
+ * box. Note that this button does NOT support an image, so don't use
+ * gtk_button_set_image()
*
* <example>
+ * <title>Using a Hildon check button</title>
* <programlisting>
* void
* button_clicked (GtkButton *button, gpointer user_data)
* GtkWidget *button;
* <!-- -->
* button = hildon_check_button_new (HILDON_SIZE_AUTO);
- * hildon_check_button_set_label (GTK_BUTTON (button), "Click me");
+ * gtk_button_set_label (GTK_BUTTON (button), "Click me");
* <!-- -->
* g_signal_connect (button, "clicked", G_CALLBACK (button_clicked), NULL);
* <!-- -->
}
/**
- * hildon_check_button_set_label:
- * @button: A #GtkButton created with hildon_check_button_new()
- * @label: New text for the label.
- *
- * Sets the text of the button label to @label.
- **/
-void
-hildon_check_button_set_label (GtkButton *button,
- const gchar *label)
-{
- GtkCellRendererText *text_renderer;
-
- g_return_if_fail (GTK_IS_BUTTON (button));
- text_renderer = GTK_CELL_RENDERER_TEXT (g_object_get_data (G_OBJECT (button), "text-renderer"));
- g_return_if_fail (GTK_IS_CELL_RENDERER_TEXT (text_renderer));
-
- g_object_set (text_renderer, "text", label, NULL);
-}
-
-/**
- * hildon_check_button_get_label:
- * @button: A #GtkButton created with hildon_check_button_new()
- *
- * Gets the text of the label inside the button.
- *
- * Return value: the text of the label. This string is owned by the
- * button and must not be modified or freed.
- **/
-const gchar *
-hildon_check_button_get_label (GtkButton *button)
-{
- GtkCellRendererText *text_renderer;
- const gchar *text;
-
- g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
- text_renderer = GTK_CELL_RENDERER_TEXT (g_object_get_data (G_OBJECT (button), "text-renderer"));
- g_return_val_if_fail (GTK_IS_CELL_RENDERER_TEXT (text_renderer), NULL);
-
- g_object_get (text_renderer, "text", &text, NULL);
-
- return text;
-}
-
-/**
* hildon_check_button_set_active:
* @button: A #GtkButton created with hildon_check_button_new()
* @is_active: new state for the check box
gboolean is_active)
{
GtkCellRendererToggle *toggle_renderer;
+ gboolean prev_is_active;
g_return_if_fail (GTK_IS_BUTTON (button));
toggle_renderer = GTK_CELL_RENDERER_TOGGLE (g_object_get_data (G_OBJECT (button), "toggle-renderer"));
g_return_if_fail (GTK_IS_CELL_RENDERER_TOGGLE (toggle_renderer));
- gtk_cell_renderer_toggle_set_active (toggle_renderer, is_active);
+ prev_is_active = gtk_cell_renderer_toggle_get_active (toggle_renderer);
+
+ if (prev_is_active != is_active) {
+ gtk_cell_renderer_toggle_set_active (toggle_renderer, is_active);
+ gtk_widget_queue_draw (GTK_WIDGET (button));
+ }
}
/**
* This function creates a #GtkButton containing a label and a check
* box.
*
- * This button has specific functions to get and set the values of the
- * label and the check box. You must not use the standard #GtkButton
- * methods for that.
- *
- * To set the alignment you can use gtk_button_set_alignment()
- *
- * Return value: A newly created #GtkButton widget.
+ * Return value: A newly created #GtkButton widget with a check box.
**/
GtkWidget *
hildon_check_button_new (HildonSizeType size)
GtkWidget *button = gtk_button_new ();
GtkWidget *cell_view = gtk_cell_view_new ();
GtkCellRenderer *toggle_renderer = gtk_cell_renderer_toggle_new ();
- GtkCellRenderer *text_renderer = gtk_cell_renderer_text_new ();
- GtkWidget *alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
/* Set the size of the button */
hildon_gtk_widget_set_theme_size (button, size);
- /* Pack everything */
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cell_view), toggle_renderer, FALSE);
- gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cell_view), text_renderer, FALSE);
- gtk_container_add (GTK_CONTAINER (alignment), cell_view);
- gtk_container_add (GTK_CONTAINER (button), alignment);
- gtk_widget_show_all (GTK_WIDGET (alignment));
-
/* Toggle the check box when the button is clicked */
g_signal_connect (button, "clicked", G_CALLBACK (check_button_clicked), toggle_renderer);
- /* Set the data */
+ /* Make sure that the check box is always shown, no matter the value of gtk-button-images */
+ g_signal_connect (cell_view, "notify::visible", G_CALLBACK (gtk_widget_show), NULL);
+
+ /* Store the renderer for later use */
g_object_set_data (G_OBJECT (button), "toggle-renderer", toggle_renderer);
- g_object_set_data (G_OBJECT (button), "text-renderer", text_renderer);
+
+ /* Pack everything */
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cell_view), toggle_renderer, FALSE);
+ gtk_button_set_image (GTK_BUTTON (button), cell_view);
return button;
}
projects / hildon / blobdiff