[gnome-calendar] gcal-all-day-grid: make it reactive

[Erick Pérez Castellanos <erickpc src gnome org>]

commit 05c2d6064b21c085cf36ee0cd60f35456ae2cec6
Author: Erick Pérez Castellanos <erick red gmail com>
Date:   Tue Jun 11 17:13:05 2013 -0400

    gcal-all-day-grid: make it reactive
    
    Missing to communicate click actions

 src/gcal-all-day-grid.c |  173 ++++++++++++++++++++++++++++++++++++++---------
 1 files changed, 142 insertions(+), 31 deletions(-)
---
diff --git a/src/gcal-all-day-grid.c b/src/gcal-all-day-grid.c
index eab121e..54a3470 100644
--- a/src/gcal-all-day-grid.c
+++ b/src/gcal-all-day-grid.c
@@ -37,43 +37,49 @@ struct _GcalAllDayGridPrivate
 
   GList          *column_headers;
   GList          *children;
+
+  GdkWindow      *event_window;
 };
 
-static void           gcal_all_day_grid_finalize              (GObject        *object);
+static void           gcal_all_day_grid_finalize              (GObject         *object);
+
+static void           gcal_all_day_grid_set_property          (GObject         *object,
+                                                               guint            property_id,
+                                                               const GValue    *value,
+                                                               GParamSpec      *pspec);
+
+static void           gcal_all_day_grid_get_property          (GObject         *object,
+                                                               guint            property_id,
+                                                               GValue          *value,
+                                                               GParamSpec      *pspec);
 
-static void           gcal_all_day_grid_set_property          (GObject        *object,
-                                                               guint           property_id,
-                                                               const GValue   *value,
-                                                               GParamSpec     *pspec);
+static void           gcal_all_day_grid_get_preferred_width   (GtkWidget       *widget,
+                                                               gint            *minimum,
+                                                               gint            *natural);
 
-static void           gcal_all_day_grid_get_property          (GObject        *object,
-                                                               guint           property_id,
-                                                               GValue         *value,
-                                                               GParamSpec     *pspec);
+static void           gcal_all_day_grid_get_preferred_height  (GtkWidget       *widget,
+                                                               gint            *minimum,
+                                                               gint            *natural);
 
-static void           gcal_all_day_grid_get_preferred_width   (GtkWidget      *widget,
-                                                               gint           *minimum,
-                                                               gint           *natural);
+static void           gcal_all_day_grid_realize               (GtkWidget       *widget);
 
-static void           gcal_all_day_grid_get_preferred_height  (GtkWidget      *widget,
-                                                               gint           *minimum,
-                                                               gint           *natural);
+static void           gcal_all_day_grid_unrealize             (GtkWidget       *widget);
 
-/* FIXME: realize/unrealize/map/unmap commented out tll testing
-   not needed because I'm not using event-window here */
-/* static void           gcal_all_day_grid_realize               (GtkWidget      *widget); */
+static void           gcal_all_day_grid_map                   (GtkWidget       *widget);
 
-/* static void           gcal_all_day_grid_unrealize             (GtkWidget      *widget); */
+static void           gcal_all_day_grid_unmap                 (GtkWidget       *widget);
 
-/* static void           gcal_all_day_grid_map                   (GtkWidget      *widget); */
+static void           gcal_all_day_grid_size_allocate         (GtkWidget       *widget,
+                                                               GtkAllocation   *allocation);
 
-/* static void           gcal_all_day_grid_unmap                 (GtkWidget      *widget); */
+static gboolean       gcal_all_day_grid_draw                  (GtkWidget       *widget,
+                                                               cairo_t         *cr);
 
-static void           gcal_all_day_grid_size_allocate         (GtkWidget      *widget,
-                                                               GtkAllocation  *allocation);
+static gboolean       gcal_all_day_grid_button_press_event    (GtkWidget       *widget,
+                                                               GdkEventButton  *event);
 
-static gboolean       gcal_all_day_grid_draw                  (GtkWidget      *widget,
-                                                               cairo_t        *cr);
+static gboolean       gcal_all_day_grid_button_release_event  (GtkWidget       *widget,
+                                                               GdkEventButton  *event);
 
 static void           gcal_all_day_grid_add                   (GtkContainer    *container,
                                                                GtkWidget       *widget);
@@ -103,14 +109,14 @@ gcal_all_day_grid_class_init (GcalAllDayGridClass *klass)
   widget_class = GTK_WIDGET_CLASS (klass);
   widget_class->get_preferred_width = gcal_all_day_grid_get_preferred_width;
   widget_class->get_preferred_height = gcal_all_day_grid_get_preferred_height;
-  /* FIXME: realize/unrealize/map/unmap commented out tll testing
-   not needed because I'm not using event-window here */
-  /* widget_class->realize = gcal_all_day_grid_realize; */
-  /* widget_class->unrealize = gcal_all_day_grid_unrealize; */
-  /* widget_class->map = gcal_all_day_grid_map; */
-  /* widget_class->unmap = gcal_all_day_grid_unmap; */
+  widget_class->realize = gcal_all_day_grid_realize;
+  widget_class->unrealize = gcal_all_day_grid_unrealize;
+  widget_class->map = gcal_all_day_grid_map;
+  widget_class->unmap = gcal_all_day_grid_unmap;
   widget_class->size_allocate = gcal_all_day_grid_size_allocate;
   widget_class->draw = gcal_all_day_grid_draw;
+  widget_class->button_press_event = gcal_all_day_grid_button_press_event;
+  widget_class->button_release_event = gcal_all_day_grid_button_release_event;
 
   container_class = GTK_CONTAINER_CLASS (klass);
   container_class->add   = gcal_all_day_grid_add;
@@ -361,6 +367,86 @@ gcal_all_day_grid_get_preferred_height (GtkWidget *widget,
 }
 
 static void
+gcal_all_day_grid_realize (GtkWidget *widget)
+{
+  GcalAllDayGridPrivate *priv;
+  GdkWindow *parent_window;
+  GdkWindowAttr attributes;
+  gint attributes_mask;
+  GtkAllocation allocation;
+
+  priv = GCAL_ALL_DAY_GRID (widget)->priv;
+  gtk_widget_set_realized (widget, TRUE);
+
+  parent_window = gtk_widget_get_parent_window (widget);
+  gtk_widget_set_window (widget, parent_window);
+  g_object_ref (parent_window);
+
+  gtk_widget_get_allocation (widget, &allocation);
+
+  attributes.window_type = GDK_WINDOW_CHILD;
+  attributes.wclass = GDK_INPUT_ONLY;
+  attributes.x = allocation.x;
+  attributes.y = allocation.y;
+  attributes.width = allocation.width;
+  attributes.height = allocation.height;
+  attributes.event_mask = gtk_widget_get_events (widget);
+  attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
+                            GDK_BUTTON_RELEASE_MASK |
+                            GDK_BUTTON1_MOTION_MASK |
+                            GDK_POINTER_MOTION_HINT_MASK |
+                            GDK_POINTER_MOTION_MASK |
+                            GDK_ENTER_NOTIFY_MASK |
+                            GDK_LEAVE_NOTIFY_MASK);
+  attributes_mask = GDK_WA_X | GDK_WA_Y;
+
+  priv->event_window = gdk_window_new (parent_window,
+                                       &attributes,
+                                       attributes_mask);
+  gdk_window_set_user_data (priv->event_window, widget);
+}
+
+static void
+gcal_all_day_grid_unrealize (GtkWidget *widget)
+{
+  GcalAllDayGridPrivate *priv;
+
+  priv = GCAL_ALL_DAY_GRID (widget)->priv;
+  if (priv->event_window != NULL)
+    {
+      gdk_window_set_user_data (priv->event_window, NULL);
+      gdk_window_destroy (priv->event_window);
+      priv->event_window = NULL;
+    }
+
+  GTK_WIDGET_CLASS (gcal_all_day_grid_parent_class)->unrealize (widget);
+}
+
+static void
+gcal_all_day_grid_map (GtkWidget *widget)
+{
+  GcalAllDayGridPrivate *priv;
+
+  priv = GCAL_ALL_DAY_GRID (widget)->priv;
+  if (priv->event_window != NULL)
+    gdk_window_show (priv->event_window);
+
+  GTK_WIDGET_CLASS (gcal_all_day_grid_parent_class)->map (widget);
+}
+
+static void
+gcal_all_day_grid_unmap (GtkWidget *widget)
+{
+  GcalAllDayGridPrivate *priv;
+
+  priv = GCAL_ALL_DAY_GRID (widget)->priv;
+  if (priv->event_window != NULL)
+    gdk_window_hide (priv->event_window);
+
+  GTK_WIDGET_CLASS (gcal_all_day_grid_parent_class)->map (widget);
+}
+
+static void
 gcal_all_day_grid_size_allocate (GtkWidget     *widget,
                                  GtkAllocation *allocation)
 {
@@ -395,6 +481,16 @@ gcal_all_day_grid_size_allocate (GtkWidget     *widget,
 
   g_object_unref (layout);
 
+  /* Placing the event_window */
+  if (gtk_widget_get_realized (widget))
+    {
+      gdk_window_move_resize (priv->event_window,
+                              allocation->x,
+                              y_gap,
+                              allocation->width,
+                              allocation->height - y_gap);
+    }
+
   /* Placing children */
   for (columns = priv->children, idx = 0;
        columns != NULL;
@@ -521,6 +617,21 @@ gcal_all_day_grid_draw (GtkWidget *widget,
   return FALSE;
 }
 
+static gboolean
+gcal_all_day_grid_button_press_event (GtkWidget      *widget,
+                                      GdkEventButton *event)
+{
+  g_debug ("Button pressed on all-day area");
+  return FALSE;
+}
+
+static gboolean
+gcal_all_day_grid_button_release_event (GtkWidget      *widget,
+                                        GdkEventButton *event)
+{
+  g_debug ("Button released on all-day area");
+  return FALSE;
+}
 /* GtkContainer API */
 /*
  * gcal_all_day_grid_add: