added file

[ardour.git] / libs / gtkmm2ext / click_box.cc

diff --git a/libs/gtkmm2ext/click_box.cc b/libs/gtkmm2ext/click_box.cc
index ca8d7f725fdf42412f31226d0ec92c56bb7bc58f..3ab7ea883cf3607c390c48e3d7cc5b0f19e52bd0 100644 (file)
--- a/libs/gtkmm2ext/click_box.cc
+++ b/libs/gtkmm2ext/click_box.cc
@@ -34,18 +34,22 @@ ClickBox::ClickBox (Gtk::Adjustment *adjp, const string &name, bool round_to_ste
 {
        print_func = default_printer;
        print_arg = 0;
+       layout = create_pango_layout ("");
+       twidth = 0;
+       theight = 0;
+
 
-       set_name (name);
        add_events (Gdk::BUTTON_RELEASE_MASK|
                    Gdk::BUTTON_PRESS_MASK|
                    Gdk::ENTER_NOTIFY_MASK|
                    Gdk::LEAVE_NOTIFY_MASK);
-       set_label ();
 
        get_adjustment().signal_value_changed().connect (mem_fun (*this, &ClickBox::set_label));
-
+       signal_style_changed().connect (mem_fun (*this, &ClickBox::style_changed));
        signal_button_press_event().connect (mem_fun (*this, &ClickBox::button_press_handler));
        signal_button_release_event().connect (mem_fun (*this, &ClickBox::button_release_handler));
+       set_name (name);
+       set_label ();
 }
 
 ClickBox::~ClickBox ()
@@ -85,9 +89,28 @@ ClickBox::default_printer (char buf[32], Gtk::Adjustment &adj,
 void
 ClickBox::set_label ()
 {
+       if (!print_func) {
+               return;
+       }
+
+       char buf[32];
+
+       print_func (buf, get_adjustment(), print_arg);
+
+       layout->set_text (buf);
+       layout->get_pixel_size (twidth, theight);
+
        queue_draw ();
 }
 
+void
+ClickBox::style_changed (const Glib::RefPtr<Gtk::Style>& ignored)
+{
+
+       layout->context_changed (); 
+       layout->get_pixel_size (twidth, theight);
+}
+
 bool
 ClickBox::on_expose_event (GdkEventExpose *ev)
 {
@@ -102,21 +125,27 @@ ClickBox::on_expose_event (GdkEventExpose *ev)
 
        if (print_func) {
 
-               char buf[32];
-
                Glib::RefPtr<Gtk::Style> style (get_style());
-
-               print_func (buf, get_adjustment(), print_arg);
-
-               Glib::RefPtr <Gdk::Window> win (get_window());
-               win->draw_rectangle (style->get_bg_gc(get_state()),
-                                    TRUE, 0, 0, -1, -1);
-
-               {
-                       int width = 0;
-                       int height = 0;
-                       create_pango_layout(buf)->get_pixel_size(width, height);
-                       set_size_request(width, height);
+               Glib::RefPtr<Gdk::GC> fg_gc (style->get_fg_gc (Gtk::STATE_NORMAL));
+               Glib::RefPtr<Gdk::GC> bg_gc (style->get_bg_gc (Gtk::STATE_NORMAL));
+               Glib::RefPtr<Gdk::Window> win (get_window());
+               
+               GdkRectangle base_rect;
+               GdkRectangle draw_rect;
+               gint x, y, width, height, depth;
+               
+               win->get_geometry (x, y, width, height, depth);
+               
+               base_rect.width = width;
+               base_rect.height = height;
+               base_rect.x = 0;
+               base_rect.y = 0;
+               
+               gdk_rectangle_intersect (&ev->area, &base_rect, &draw_rect);
+               win->draw_rectangle (bg_gc, true, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
+
+               if (twidth && theight) {
+                 win->draw_layout (fg_gc, (width - twidth) / 2, (height - theight) / 2, layout);
                }
        }