fix configurable IO MIDI FX w/strict-i/o

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

diff --git a/libs/gtkmm2ext/click_box.cc b/libs/gtkmm2ext/click_box.cc
index efce988c2938237127a0987c3b606474c563c9b1..876c68f665240a6800d356eaef1c08738b46ade3 100644 (file)
--- a/libs/gtkmm2ext/click_box.cc
+++ b/libs/gtkmm2ext/click_box.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1999 Paul Barton-Davis 
+    Copyright (C) 1999 Paul Barton-Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -32,23 +32,22 @@ using namespace sigc;
 ClickBox::ClickBox (Gtk::Adjustment *adjp, const string &name, bool round_to_steps)
        : AutoSpin (*adjp,0,round_to_steps)
 {
-       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 ()
@@ -63,6 +62,13 @@ ClickBox::button_press_handler (GdkEventButton* ev)
        return true;
 }
 
+bool
+ClickBox::on_scroll_event (GdkEventScroll* ev)
+{
+       AutoSpin::scroll_event (ev);
+       return true;
+}
+
 bool
 ClickBox::button_release_handler (GdkEventButton* ev)
 {
@@ -78,30 +84,41 @@ ClickBox::button_release_handler (GdkEventButton* ev)
        return true;
 }
 
-void
-ClickBox::default_printer (char buf[32], Gtk::Adjustment &adj, 
-                              void *ignored)
-{
-       sprintf (buf, "%.2f", adj.get_value());
-}
-
 void
 ClickBox::set_label ()
 {
-       if (!print_func) {
-               return;
-       }
-
        char buf[32];
+       int width, height;
 
-       print_func (buf, get_adjustment(), print_arg);
+       bool const h = _printer (buf, get_adjustment());
+       if (!h) {
+               /* the printer didn't handle it, so use a default */
+               sprintf (buf, "%.2f", get_adjustment().get_value ());
+       }
 
        layout->set_text (buf);
-       layout->get_pixel_size (twidth, theight);
+       layout->get_pixel_size (width, height);
+
+       if (twidth < width && (width > 50))  {
+               /* override GenericPluginUI::build_control_ui()
+                * Gtkmm2ext::set_size_request_to_display_given_text ("g9999999")
+                * see http://tracker.ardour.org/view.php?id=6499
+                */
+               set_size_request (std::min (300, width + 6), height + 4);
+       }
+
+       twidth = width; theight = height;
 
        queue_draw ();
 }
 
+void
+ClickBox::style_changed (const Glib::RefPtr<Gtk::Style>&)
+{
+       layout->context_changed ();
+       layout->get_pixel_size (twidth, theight);
+}
+
 bool
 ClickBox::on_expose_event (GdkEventExpose *ev)
 {
@@ -114,31 +131,36 @@ ClickBox::on_expose_event (GdkEventExpose *ev)
 
        Gtk::DrawingArea::on_expose_event (ev);
 
-       if (print_func) {
-
-               Glib::RefPtr<Gtk::Style> style (get_style());
-               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);
-               }
+       Glib::RefPtr<Gtk::Style> style (get_style());
+       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);
        }
 
        return true;
 }
+
+void
+ClickBox::set_printer (sigc::slot<bool, char *, Gtk::Adjustment &> p)
+{
+       _printer = p;
+       set_label ();
+}
+