diff options
Diffstat (limited to 'widgets/shortcut-bar/e-vscrolled-bar.c')
| -rw-r--r-- | widgets/shortcut-bar/e-vscrolled-bar.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/widgets/shortcut-bar/e-vscrolled-bar.c b/widgets/shortcut-bar/e-vscrolled-bar.c index af23b38a21..ed574f5cbf 100644 --- a/widgets/shortcut-bar/e-vscrolled-bar.c +++ b/widgets/shortcut-bar/e-vscrolled-bar.c @@ -53,6 +53,10 @@ static void e_vscrolled_bar_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void e_vscrolled_bar_draw (GtkWidget *widget, GdkRectangle *area); +static gint e_vscrolled_bar_button_press (GtkWidget *widget, + GdkEventButton *event); +static gint e_vscrolled_bar_button_release (GtkWidget *widget, + GdkEventButton *event); static void e_vscrolled_bar_add (GtkContainer *container, GtkWidget *child); static void e_vscrolled_bar_remove (GtkContainer *container, @@ -121,6 +125,8 @@ e_vscrolled_bar_class_init (EVScrolledBarClass *class) widget_class->size_request = e_vscrolled_bar_size_request; widget_class->size_allocate = e_vscrolled_bar_size_allocate; widget_class->draw = e_vscrolled_bar_draw; + widget_class->button_press_event = e_vscrolled_bar_button_press; + widget_class->button_release_event = e_vscrolled_bar_button_release; container_class->add = e_vscrolled_bar_add; container_class->remove = e_vscrolled_bar_remove; @@ -399,6 +405,55 @@ e_vscrolled_bar_draw (GtkWidget *widget, } +static gint +e_vscrolled_bar_button_press (GtkWidget *widget, + GdkEventButton *event) +{ + EVScrolledBar *vscrolled_bar; + GtkAdjustment *adjustment; + gfloat new_value, step; + + g_print ("In e_vscrolled_bar_button_press\n"); + + vscrolled_bar = E_VSCROLLED_BAR (widget); + adjustment = vscrolled_bar->adjustment; + + step = adjustment->page_size; + + if (event->button == 4) { + new_value = adjustment->value - step; + if (new_value <= adjustment->lower) { + new_value = adjustment->lower; + } + } else if (event->button == 5) { + new_value = adjustment->value + step; + if (new_value >= adjustment->upper - adjustment->page_size) { + new_value = adjustment->upper - adjustment->page_size; + } + } else + return FALSE; + + if (adjustment->value != new_value) { + adjustment->value = new_value; + gtk_signal_emit_by_name (GTK_OBJECT (adjustment), + "value_changed"); + return TRUE; + } + + return FALSE; +} + +static gint +e_vscrolled_bar_button_release (GtkWidget *widget, + GdkEventButton *event) +{ + g_print ("In e_vscrolled_bar_button_release\n"); + + return FALSE; +} + + + static void e_vscrolled_bar_add (GtkContainer *container, GtkWidget *child) |