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libsysprof-gtk: allow chart to activate layer item on click

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This commit is contained in:
Christian Hergert
2023-06-20 13:26:07 -07:00
parent cf1b3ae16f
commit 50b9aa2567
2 changed files with 57 additions and 1 deletions
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54
src/libsysprof-gtk/sysprof-chart.c
View File

@ -40,9 +40,15 @@ enum {
N_PROPS N_PROPS
}; };
enum {
ACTIVATE_LAYER_ITEM,
N_SIGNALS
};
G_DEFINE_TYPE_WITH_PRIVATE (SysprofChart, sysprof_chart, GTK_TYPE_WIDGET) G_DEFINE_TYPE_WITH_PRIVATE (SysprofChart, sysprof_chart, GTK_TYPE_WIDGET)
static GParamSpec *properties [N_PROPS]; static GParamSpec *properties[N_PROPS];
static guint signals[N_SIGNALS];
static void static void
@ -137,6 +143,31 @@ sysprof_chart_snapshot (GtkWidget *widget,
} }
} }
static gboolean
sysprof_chart_click_pressed_cb (SysprofChart *self,
int n_presses,
double x,
double y,
GtkGestureClick *click)
{
g_autoptr(GObject) item = NULL;
GtkWidget *pick;
gboolean ret = GDK_EVENT_PROPAGATE;
g_assert (SYSPROF_IS_CHART (self));
g_assert (GTK_IS_GESTURE_CLICK (click));
if (n_presses != 1)
return GDK_EVENT_PROPAGATE;
if ((pick = gtk_widget_pick (GTK_WIDGET (self), x, y, GTK_PICK_DEFAULT)) &&
SYSPROF_IS_CHART_LAYER (pick) &&
(item = sysprof_chart_layer_lookup_item (SYSPROF_CHART_LAYER (pick), x, y)))
g_signal_emit (self, signals[ACTIVATE_LAYER_ITEM], 0, pick, item, &ret);
return ret;
}
static void static void
sysprof_chart_dispose (GObject *object) sysprof_chart_dispose (GObject *object)
{ {
@ -223,6 +254,18 @@ sysprof_chart_class_init (SysprofChartClass *klass)
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS)); (G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties); g_object_class_install_properties (object_class, N_PROPS, properties);
signals[ACTIVATE_LAYER_ITEM] =
g_signal_new ("activate-layer-item",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (SysprofChartClass, activate_layer_item),
g_signal_accumulator_true_handled, NULL,
NULL,
G_TYPE_BOOLEAN,
2,
SYSPROF_TYPE_CHART_LAYER,
G_TYPE_OBJECT);
} }
static void static void
@ -230,6 +273,7 @@ sysprof_chart_init (SysprofChart *self)
{ {
SysprofChartPrivate *priv = sysprof_chart_get_instance_private (self); SysprofChartPrivate *priv = sysprof_chart_get_instance_private (self);
GtkEventController *motion; GtkEventController *motion;
GtkEventController *click;
priv->motion_x = -1; priv->motion_x = -1;
priv->motion_y = -1; priv->motion_y = -1;
@ -251,6 +295,14 @@ sysprof_chart_init (SysprofChart *self)
self, self,
G_CONNECT_SWAPPED); G_CONNECT_SWAPPED);
gtk_widget_add_controller (GTK_WIDGET (self), g_steal_pointer (&motion)); gtk_widget_add_controller (GTK_WIDGET (self), g_steal_pointer (&motion));
click = GTK_EVENT_CONTROLLER (gtk_gesture_click_new ());
g_signal_connect_object (click,
"pressed",
G_CALLBACK (sysprof_chart_click_pressed_cb),
self,
G_CONNECT_SWAPPED);
gtk_widget_add_controller (GTK_WIDGET (self), g_steal_pointer (&click));
} }
const char * const char *

4
src/libsysprof-gtk/sysprof-chart.h
View File

@ -37,6 +37,10 @@ struct _SysprofChartClass
{ {
GtkWidgetClass parent_class; GtkWidgetClass parent_class;
gboolean (*activate_layer_item) (SysprofChart *self,
SysprofChartLayer *layer,
gpointer item);
/*< private >*/ /*< private >*/
gpointer _reserved[16]; gpointer _reserved[16];
}; };