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visualizer-view: add ::visualizer-added and ::visualizer-removed

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These signals are emitted when a visualizer row has been added
or removed from the view. This might be handy if you want to
resize a paned based on the natural size of the visualizers.
This commit is contained in:
Christian Hergert
2016-09-28 13:22:51 -07:00
parent 337334e4fa
commit b5fccca069
2 changed files with 70 additions and 0 deletions
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63
lib/sp-visualizer-view.c
View File

@ -38,6 +38,12 @@ enum {
N_PROPS
};
enum {
VISUALIZER_ADDED,
VISUALIZER_REMOVED,
N_SIGNALS
};
static void buildable_iface_init (GtkBuildableIface *iface);
G_DEFINE_TYPE_EXTENDED (SpVisualizerView, sp_visualizer_view, GTK_TYPE_BIN, 0,
@ -45,8 +51,35 @@ G_DEFINE_TYPE_EXTENDED (SpVisualizerView, sp_visualizer_view, GTK_TYPE_BIN, 0,
G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, buildable_iface_init))
static GParamSpec *properties [N_PROPS];
static guint signals [N_SIGNALS];
static GtkBuildableIface *parent_buildable;
static void
sp_visualizer_view_row_added (SpVisualizerView *self,
GtkWidget *widget,
SpVisualizerList *list)
{
g_assert (SP_IS_VISUALIZER_VIEW (self));
g_assert (GTK_IS_WIDGET (widget));
g_assert (SP_IS_VISUALIZER_LIST (list));
if (SP_IS_VISUALIZER_ROW (widget))
g_signal_emit (self, signals [VISUALIZER_ADDED], 0, widget);
}
static void
sp_visualizer_view_row_removed (SpVisualizerView *self,
GtkWidget *widget,
SpVisualizerList *list)
{
g_assert (SP_IS_VISUALIZER_VIEW (self));
g_assert (GTK_IS_WIDGET (widget));
g_assert (SP_IS_VISUALIZER_LIST (list));
if (SP_IS_VISUALIZER_ROW (widget))
g_signal_emit (self, signals [VISUALIZER_REMOVED], 0, widget);
}
static void
sp_visualizer_view_finalize (GObject *object)
{
@ -115,6 +148,22 @@ sp_visualizer_view_class_init (SpVisualizerViewClass *klass)
g_object_class_install_properties (object_class, N_PROPS, properties);
signals [VISUALIZER_ADDED] =
g_signal_new ("visualizer-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SpVisualizerViewClass, visualizer_added),
NULL, NULL, NULL,
G_TYPE_NONE, 1, SP_TYPE_VISUALIZER_ROW);
signals [VISUALIZER_REMOVED] =
g_signal_new ("visualizer-removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SpVisualizerViewClass, visualizer_removed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, SP_TYPE_VISUALIZER_ROW);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/sysprof/ui/sp-visualizer-view.ui");
gtk_widget_class_bind_template_child_private (widget_class, SpVisualizerView, list);
gtk_widget_class_bind_template_child_private (widget_class, SpVisualizerView, ticks);
@ -125,7 +174,21 @@ sp_visualizer_view_class_init (SpVisualizerViewClass *klass)
static void
sp_visualizer_view_init (SpVisualizerView *self)
{
SpVisualizerViewPrivate *priv = sp_visualizer_view_get_instance_private (self);
gtk_widget_init_template (GTK_WIDGET (self));
g_signal_connect_object (priv->list,
"add",
G_CALLBACK (sp_visualizer_view_row_added),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (priv->list,
"remove",
G_CALLBACK (sp_visualizer_view_row_removed),
self,
G_CONNECT_SWAPPED);
}
/**

7
lib/sp-visualizer-view.h
View File

@ -21,6 +21,8 @@
#include <gtk/gtk.h>
#include "sp-visualizer-row.h"
G_BEGIN_DECLS
#define SP_TYPE_VISUALIZER_VIEW (sp_visualizer_view_get_type())
@ -31,6 +33,11 @@ struct _SpVisualizerViewClass
{
GtkBinClass parent_class;
void (*visualizer_added) (SpVisualizerView *self,
SpVisualizerRow *visualizer);
void (*visualizer_removed) (SpVisualizerView *self,
SpVisualizerRow *visualizer);
gpointer _reserved1;
gpointer _reserved2;
gpointer _reserved3;