diff options
Diffstat (limited to 'tools/gui/egg-histogram-view.c')
| -rw-r--r-- | tools/gui/egg-histogram-view.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/tools/gui/egg-histogram-view.c b/tools/gui/egg-histogram-view.c index 5041ba2..812af7a 100644 --- a/tools/gui/egg-histogram-view.c +++ b/tools/gui/egg-histogram-view.c @@ -55,8 +55,16 @@ enum N_PROPERTIES }; +enum +{ + CHANGED, + LAST_SIGNAL +}; + static GParamSpec *egg_histogram_view_properties[N_PROPERTIES] = { NULL, }; +static guint egg_histogram_view_signals[LAST_SIGNAL] = { 0 }; + GtkWidget * egg_histogram_view_new (void) @@ -253,7 +261,7 @@ egg_histogram_view_expose (GtkWidget *widget, cairo_rectangle (cr, BORDER, BORDER, priv->min_border + 0.5, height - 1); cairo_fill (cr); - cairo_rectangle (cr, priv->max_border + 0.5, BORDER, width - priv->min_border - 0.5, height - 1); + cairo_rectangle (cr, priv->max_border + 0.5, BORDER, width - priv->max_border + 0.5, height - 1); cairo_fill (cr); /* Draw spikes */ @@ -393,9 +401,14 @@ egg_histogram_view_motion_notify (GtkWidget *widget, priv = view->priv; if (priv->grabbing) { - *priv->grabbed = event->x; + GtkAllocation allocation; + + gtk_widget_get_allocation (widget, &allocation); - gtk_widget_queue_draw (widget); + if ((event->x + BORDER > 0) && (event->x + BORDER < allocation.width)) { + *priv->grabbed = event->x; + gtk_widget_queue_draw (widget); + } } else { if (is_on_border (priv, event->x)) @@ -416,6 +429,7 @@ egg_histogram_view_button_release (GtkWidget *widget, view = EGG_HISTOGRAM_VIEW (widget); set_cursor_type (view, GDK_ARROW); view->priv->grabbing = FALSE; + g_signal_emit (widget, egg_histogram_view_signals[CHANGED], 0); return TRUE; } @@ -473,6 +487,15 @@ egg_histogram_view_class_init (EggHistogramViewClass *klass) g_object_class_install_property (object_class, PROP_MINIMUM_BIN_VALUE, egg_histogram_view_properties[PROP_MINIMUM_BIN_VALUE]); g_object_class_install_property (object_class, PROP_MAXIMUM_BIN_VALUE, egg_histogram_view_properties[PROP_MAXIMUM_BIN_VALUE]); + egg_histogram_view_signals[CHANGED] = + g_signal_new ("changed", + G_OBJECT_CLASS_TYPE (klass), + G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE, + G_STRUCT_OFFSET (EggHistogramViewClass, changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + g_type_class_add_private (klass, sizeof (EggHistogramViewPrivate)); } |