]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtkseparator.c
Add GtkBubbleWindow
[~andy/gtk] / gtk / gtkseparator.c
index 28808c15d084290d3003f0095d66ca907fe7160f..0ed0bee310e318e0a87fdd322a86c35b0a94b1a6 100644 (file)
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GTK+ Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  */
 
 #include "config.h"
+
+#include "gtkorientableprivate.h"
 #include "gtkseparator.h"
+#include "gtkprivate.h"
 #include "gtkintl.h"
-#include "gtkalias.h"
 
+/**
+ * SECTION:gtkseparator
+ * @Short_description: A separator widget
+ * @Title: GtkSeparator
+ *
+ * GtkSeparator is a horizontal or vertical separator widget, depending on the 
+ * value of the #GtkOrientable:orientation property, used to group the widgets within a
+ * window. It displays a line with a shadow to make it appear sunken into the 
+ * interface.
+ */
+
+
+struct _GtkSeparatorPrivate
+{
+  GtkOrientation orientation;
+};
+
+
+enum {
+  PROP_0,
+  PROP_ORIENTATION
+};
+
+static void       gtk_separator_set_property (GObject        *object,
+                                              guint           prop_id,
+                                              const GValue   *value,
+                                              GParamSpec     *pspec);
+static void       gtk_separator_get_property (GObject        *object,
+                                              guint           prop_id,
+                                              GValue         *value,
+                                              GParamSpec     *pspec);
+static void       gtk_separator_get_preferred_width
+                                             (GtkWidget      *widget,
+                                              gint           *minimum,
+                                              gint           *natural);
+static void       gtk_separator_get_preferred_height
+                                             (GtkWidget      *widget,
+                                              gint           *minimum,
+                                              gint           *natural);
+static gboolean   gtk_separator_draw         (GtkWidget      *widget,
+                                              cairo_t        *cr);
+
+
+G_DEFINE_TYPE_WITH_CODE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
+                                                NULL))
 
-G_DEFINE_ABSTRACT_TYPE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET)
 
 static void
 gtk_separator_class_init (GtkSeparatorClass *class)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (class);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+
+  object_class->set_property = gtk_separator_set_property;
+  object_class->get_property = gtk_separator_get_property;
+
+  widget_class->get_preferred_width = gtk_separator_get_preferred_width;
+  widget_class->get_preferred_height = gtk_separator_get_preferred_height;
+
+  widget_class->draw = gtk_separator_draw;
+
+  gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_SEPARATOR);
+
+  g_object_class_override_property (object_class, PROP_ORIENTATION, "orientation");
+
+  g_type_class_add_private (object_class, sizeof (GtkSeparatorPrivate));
 }
 
 static void
 gtk_separator_init (GtkSeparator *separator)
 {
-  GTK_WIDGET_SET_FLAGS (separator, GTK_NO_WINDOW);
+  GtkSeparatorPrivate *private;
+  GtkStyleContext *context;
+
+  separator->priv = G_TYPE_INSTANCE_GET_PRIVATE (separator,
+                                                 GTK_TYPE_SEPARATOR,
+                                                 GtkSeparatorPrivate);
+  private = separator->priv;
+
+  gtk_widget_set_has_window (GTK_WIDGET (separator), FALSE);
+
+  private->orientation = GTK_ORIENTATION_HORIZONTAL;
+
+  context = gtk_widget_get_style_context (GTK_WIDGET (separator));
+  gtk_style_context_add_class (context, GTK_STYLE_CLASS_SEPARATOR);
+}
+
+static void
+gtk_separator_set_property (GObject      *object,
+                            guint         prop_id,
+                            const GValue *value,
+                            GParamSpec   *pspec)
+{
+  GtkSeparator *separator = GTK_SEPARATOR (object);
+  GtkSeparatorPrivate *private = separator->priv;
+
+  switch (prop_id)
+    {
+    case PROP_ORIENTATION:
+      private->orientation = g_value_get_enum (value);
+      _gtk_orientable_set_style_classes (GTK_ORIENTABLE (object));
+      gtk_widget_queue_resize (GTK_WIDGET (object));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_separator_get_property (GObject    *object,
+                            guint       prop_id,
+                            GValue     *value,
+                            GParamSpec *pspec)
+{
+  GtkSeparator *separator = GTK_SEPARATOR (object);
+  GtkSeparatorPrivate *private = separator->priv;
+
+  switch (prop_id)
+    {
+    case PROP_ORIENTATION:
+      g_value_set_enum (value, private->orientation);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+    }
+}
+
+static void
+gtk_separator_get_preferred_size (GtkWidget      *widget,
+                                  GtkOrientation  orientation,
+                                  gint           *minimum,
+                                  gint           *natural)
+{
+  GtkSeparator *separator = GTK_SEPARATOR (widget);
+  GtkSeparatorPrivate *private = separator->priv;
+  GtkStyleContext *context;
+  GtkStateFlags state;
+  GtkBorder border;
+  gboolean wide_sep;
+  gint     sep_width;
+  gint     sep_height;
+
+  context = gtk_widget_get_style_context (widget);
+  state = gtk_widget_get_state_flags (widget);
+  gtk_style_context_get_border (context, state, &border);
+
+  gtk_widget_style_get (widget,
+                        "wide-separators",  &wide_sep,
+                        "separator-width",  &sep_width,
+                        "separator-height", &sep_height,
+                        NULL);
+
+  if (orientation == private->orientation)
+    {
+      *minimum = *natural = 1;
+    }
+  else if (orientation == GTK_ORIENTATION_VERTICAL)
+    {
+      *minimum = *natural = wide_sep ? sep_height : border.top;
+    }
+  else
+    {
+      *minimum = *natural = wide_sep ? sep_width : border.left;
+    }
+}
+
+static void
+gtk_separator_get_preferred_width (GtkWidget *widget,
+                                   gint      *minimum,
+                                   gint      *natural)
+{
+  gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum, natural);
+}
+
+static void
+gtk_separator_get_preferred_height (GtkWidget *widget,
+                                    gint      *minimum,
+                                    gint      *natural)
+{
+  gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum, natural);
 }
 
-#define __GTK_SEPARATOR_C__
-#include "gtkaliasdef.c"
+static gboolean
+gtk_separator_draw (GtkWidget *widget,
+                    cairo_t   *cr)
+{
+  GtkSeparator *separator = GTK_SEPARATOR (widget);
+  GtkSeparatorPrivate *private = separator->priv;
+  GtkStateFlags state;
+  GtkStyleContext *context;
+  GtkBorder padding;
+  gboolean wide_separators;
+  gint separator_width;
+  gint separator_height;
+  int width, height;
+
+  context = gtk_widget_get_style_context (widget);
+  gtk_widget_style_get (widget,
+                        "wide-separators",  &wide_separators,
+                        "separator-width",  &separator_width,
+                        "separator-height", &separator_height,
+                        NULL);
+
+  state = gtk_widget_get_state_flags (widget);
+  width = gtk_widget_get_allocated_width (widget);
+  height = gtk_widget_get_allocated_height (widget);
+
+  gtk_style_context_get_padding (context, state, &padding);
+
+  if (private->orientation == GTK_ORIENTATION_HORIZONTAL)
+    {
+      if (wide_separators)
+        gtk_render_frame (context, cr,
+                          0, (height - separator_height) / 2,
+                          width, separator_height);
+      else
+        gtk_render_line (context, cr,
+                         0, (height - padding.top) / 2,
+                         width - 1, (height - padding.top) / 2);
+    }
+  else
+    {
+      if (wide_separators)
+        gtk_render_frame (context, cr,
+                          (width - separator_width) / 2, 0,
+                          separator_width, height);
+      else
+        gtk_render_line (context, cr,
+                         (width - padding.left) / 2, 0,
+                         (width - padding.left) / 2, height - 1);
+    }
+
+  return FALSE;
+}
+
+/**
+ * gtk_separator_new:
+ * @orientation: the separator's orientation.
+ *
+ * Creates a new #GtkSeparator with the given orientation.
+ *
+ * Return value: a new #GtkSeparator.
+ *
+ * Since: 3.0
+ */
+GtkWidget *
+gtk_separator_new (GtkOrientation orientation)
+{
+  return g_object_new (GTK_TYPE_SEPARATOR,
+                       "orientation", orientation,
+                       NULL);
+}