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gcal-days-grid: make it reactive.

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Added #GdkWindow for catching button events.
This commit is contained in:
Erick Pérez Castellanos
2014-12-04 17:10:24 -05:00
parent aa20a71ca9
commit d54556a030
1 changed files with 114 additions and 12 deletions
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src/gcal-days-grid.c
+114 -12
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@@ -60,6 +60,8 @@ struct _GcalDaysGridPrivate
guint req_cell_height;
GList *children;
GdkWindow *event_window;
};
static void gcal_days_grid_finalize (GObject *object);
@@ -82,15 +84,13 @@ static void gcal_days_grid_get_preferred_height (GtkWidget *widg
gint *minimum,
gint *natural);
/* FIXME: realize/unrealize/map/unmap commented out tll testing
not needed because I'm not using event-window here */
/* static void gcal_days_grid_realize (GtkWidget *widget); */
static void gcal_days_grid_realize (GtkWidget *widget);
/* static void gcal_days_grid_unrealize (GtkWidget *widget); */
static void gcal_days_grid_unrealize (GtkWidget *widget);
/* static void gcal_days_grid_map (GtkWidget *widget); */
static void gcal_days_grid_map (GtkWidget *widget);
/* static void gcal_days_grid_unmap (GtkWidget *widget); */
static void gcal_days_grid_unmap (GtkWidget *widget);
static void gcal_days_grid_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
@@ -98,6 +98,12 @@ static void gcal_days_grid_size_allocate (GtkWidget *widg
static gboolean gcal_days_grid_draw (GtkWidget *widget,
cairo_t *cr);
static gboolean gcal_days_grid_button_press_event (GtkWidget *widget,
GdkEventButton *event);
static gboolean gcal_days_grid_button_release_event (GtkWidget *widget,
GdkEventButton *event);
static void gcal_days_grid_add (GtkContainer *container,
GtkWidget *widget);
@@ -126,14 +132,14 @@ gcal_days_grid_class_init (GcalDaysGridClass *klass)
widget_class = GTK_WIDGET_CLASS (klass);
widget_class->get_preferred_width = gcal_days_grid_get_preferred_width;
widget_class->get_preferred_height = gcal_days_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_days_grid_realize; */
/* widget_class->unrealize = gcal_days_grid_unrealize; */
/* widget_class->map = gcal_days_grid_map; */
/* widget_class->unmap = gcal_days_grid_unmap; */
widget_class->realize = gcal_days_grid_realize;
widget_class->unrealize = gcal_days_grid_unrealize;
widget_class->map = gcal_days_grid_map;
widget_class->unmap = gcal_days_grid_unmap;
widget_class->size_allocate = gcal_days_grid_size_allocate;
widget_class->draw = gcal_days_grid_draw;
widget_class->button_press_event = gcal_days_grid_button_press_event;
widget_class->button_release_event = gcal_days_grid_button_release_event;
container_class = GTK_CONTAINER_CLASS (klass);
container_class->add = gcal_days_grid_add;
@@ -359,6 +365,86 @@ gcal_days_grid_get_preferred_height (GtkWidget *widget,
}
}
static void
gcal_days_grid_realize (GtkWidget *widget)
{
GcalDaysGridPrivate *priv;
GdkWindow *parent_window;
GdkWindowAttr attributes;
gint attributes_mask;
GtkAllocation allocation;
priv = GCAL_DAYS_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_days_grid_unrealize (GtkWidget *widget)
{
GcalDaysGridPrivate *priv;
priv = GCAL_DAYS_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_days_grid_parent_class)->unrealize (widget);
}
static void
gcal_days_grid_map (GtkWidget *widget)
{
GcalDaysGridPrivate *priv;
priv = GCAL_DAYS_GRID (widget)->priv;
if (priv->event_window != NULL)
gdk_window_show (priv->event_window);
GTK_WIDGET_CLASS (gcal_days_grid_parent_class)->map (widget);
}
static void
gcal_days_grid_unmap (GtkWidget *widget)
{
GcalDaysGridPrivate *priv;
priv = GCAL_DAYS_GRID (widget)->priv;
if (priv->event_window != NULL)
gdk_window_hide (priv->event_window);
GTK_WIDGET_CLASS (gcal_days_grid_parent_class)->map (widget);
}
static void
gcal_days_grid_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
@@ -496,6 +582,22 @@ gcal_days_grid_draw (GtkWidget *widget,
return FALSE;
}
static gboolean
gcal_days_grid_button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
g_debug ("Button pressed on days-grid area");
return FALSE;
}
static gboolean
gcal_days_grid_button_release_event (GtkWidget *widget,
GdkEventButton *event)
{
g_debug ("Button released on days-grid area");
return FALSE;
}
/* GtkContainer API */
/*
* gcal_days_grid_add: