Add a EventBox wrapper to forward unmap events.

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

diff --git a/libs/gtkmm2ext/stateful_button.cc b/libs/gtkmm2ext/stateful_button.cc
index 949cae958b7bcfaa14102ec72853e80fd012c62c..3c1ad2a830e92d3c0ab77c039b54b0fa740e251d 100644 (file)
--- a/libs/gtkmm2ext/stateful_button.cc
+++ b/libs/gtkmm2ext/stateful_button.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis 
+    Copyright (C) 2000-2007 Paul 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
@@ -20,6 +20,7 @@
 #include <string>
 #include <iostream>
 
+
 #include <gtkmm/main.h>
 
 #include <gtkmm2ext/stateful_button.h>
@@ -30,9 +31,13 @@ using namespace Gtkmm2ext;
 using namespace std;
 
 StateButton::StateButton ()
+        : visual_state (0)
+        , _self_managed (false)
+        , _is_realized (false)
+        , style_changing (false)
+        , state_before_prelight (Gtk::STATE_NORMAL)
+        , is_toggle (false)
 {
-       _is_realized = false;
-       visual_state = 0;
 }
 
 void
@@ -56,19 +61,111 @@ StateButton::set_visual_state (int n)
                /* relax */
                break;
        case 1:
-               name += "-active";
+                name += "-active";
                break;
+
        case 2:
                name += "-alternate";
                break;
+
+        case 3:
+                name += "-alternate2";
+                break;
        }
 
        set_widget_name (name);
        visual_state = n;
 }
 
+void
+StateButton::avoid_prelight_on_style_changed (const Glib::RefPtr<Gtk::Style>& /* old_style */,  GtkWidget* widget)
+{
+        /* don't go into an endless recursive loop if we're changing
+           the style in response to an existing style change.
+        */
+
+        if (style_changing) {
+                return;
+        }
+
+        if (gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT) {
+
+                /* avoid PRELIGHT: make sure that the prelight colors in this new style match
+                   the colors of the new style in whatever state we were in
+                   before we switched to prelight.
+                */
+
+                GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
+                GtkStyle* style = gtk_widget_get_style (widget);
+
+                rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[state_before_prelight];
+                rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[state_before_prelight];
+                rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
+
+                style_changing = true;
+                g_object_ref (rcstyle);
+                gtk_widget_modify_style (widget, rcstyle);
+
+                Widget* child = get_child_widget();
+                if (child) {
+                        gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
+                }
+
+
+                g_object_unref (rcstyle);
+                style_changing = false;
+        }
+}
+
+void
+StateButton::avoid_prelight_on_state_changed (Gtk::StateType old_state, GtkWidget* widget)
+{
+        GtkStateType state = gtk_widget_get_state (widget);
+
+        if (state == GTK_STATE_PRELIGHT) {
+
+                state_before_prelight = old_state;
+
+
+                /* avoid PRELIGHT when currently ACTIVE:
+                   if we just went into PRELIGHT, make sure that the colors
+                   match those of whatever state we were in before.
+                */
+
+                GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
+                GtkStyle* style = gtk_widget_get_style (widget);
+
+                rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[old_state];
+                rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[old_state];
+                rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
+
+                g_object_ref (rcstyle);
+                gtk_widget_modify_style (widget, rcstyle);
+
+                Widget* child = get_child_widget ();
+
+                if (child) {
+                        gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
+                }
+
+                g_object_unref (rcstyle);
+
+        }
+}
+
 /* ----------------------------------------------------------------- */
 
+StatefulToggleButton::StatefulToggleButton ()
+{
+        is_toggle = true;
+}
+
+StatefulToggleButton::StatefulToggleButton (const std::string& label)
+        : ToggleButton (label)
+{
+        is_toggle = true;
+}
+
 void
 StatefulToggleButton::on_realize ()
 {
@@ -94,9 +191,83 @@ StatefulToggleButton::on_toggled ()
 {
        if (!_self_managed) {
                if (get_active()) {
-                       set_visual_state (1);
+                        set_state (Gtk::STATE_ACTIVE);
                } else {
-                       set_visual_state (0);
+                        set_state (Gtk::STATE_NORMAL);
                }
        }
 }
+
+
+void
+StatefulToggleButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
+{
+        avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
+        Button::on_style_changed (style);
+}
+
+void
+StatefulToggleButton::on_state_changed (Gtk::StateType old_state)
+{
+        avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
+        Button::on_state_changed (old_state);
+}
+
+Widget*
+StatefulToggleButton::get_child_widget ()
+{
+        return get_child();
+}
+
+void
+StatefulToggleButton::set_widget_name (const std::string& name)
+{
+       set_name (name);
+       Widget* w = get_child();
+
+       if (w) {
+               w->set_name (name);
+       }
+}
+
+/*--------------------------------------------- */
+
+StatefulButton::StatefulButton ()
+{
+}
+
+StatefulButton::StatefulButton (const std::string& label)
+        : Button (label)
+{
+}
+
+void
+StatefulButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
+{
+        avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
+        Button::on_style_changed (style);
+}
+
+void
+StatefulButton::on_state_changed (Gtk::StateType old_state)
+{
+        avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
+        Button::on_state_changed (old_state);
+}
+
+Widget*
+StatefulButton::get_child_widget ()
+{
+        return get_child();
+}
+
+void
+StatefulButton::set_widget_name (const std::string& name)
+{
+       set_name (name);
+       Widget* w = get_child();
+
+       if (w) {
+               w->set_name (name);
+       }
+}