git-svn-id: svn://localhost/ardour2/branches/3.0@6799 d708f5d6-7413-0410-9779-e7cbd77b26cf
270 lines
6.6 KiB
C++
270 lines
6.6 KiB
C++
/*
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Copyright (C) 2000-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <string>
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#include <iostream>
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#include <gtkmm/main.h>
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#include <gtkmm2ext/stateful_button.h>
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using namespace Gtk;
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using namespace Glib;
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using namespace Gtkmm2ext;
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using namespace std;
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StateButton::StateButton ()
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: visual_state (0)
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, _self_managed (false)
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, _is_realized (false)
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, style_changing (false)
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, state_before_prelight (Gtk::STATE_NORMAL)
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, is_toggle (false)
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{
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}
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void
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StateButton::set_visual_state (int n)
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{
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if (!_is_realized) {
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/* not yet realized */
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visual_state = n;
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return;
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}
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if (n == visual_state) {
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return;
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}
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string name = get_widget_name ();
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name = name.substr (0, name.find_last_of ('-'));
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switch (n) {
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case 0:
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/* relax */
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break;
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case 1:
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name += "-active";
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break;
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case 2:
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name += "-alternate";
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break;
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}
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set_widget_name (name);
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visual_state = n;
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}
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void
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StateButton::avoid_prelight_on_style_changed (const Glib::RefPtr<Gtk::Style>& /* old_style */, GtkWidget* widget)
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{
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/* don't go into an endless recursive loop if we're changing
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the style in response to an existing style change.
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*/
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if (style_changing) {
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return;
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}
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if (gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT) {
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/* avoid PRELIGHT: make sure that the prelight colors in this new style match
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the colors of the new style in whatever state we were in
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before we switched to prelight.
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*/
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GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
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GtkStyle* style = gtk_widget_get_style (widget);
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rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[state_before_prelight];
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rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[state_before_prelight];
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rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
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style_changing = true;
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g_object_ref (rcstyle);
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gtk_widget_modify_style (widget, rcstyle);
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Widget* child = get_child_widget();
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if (child) {
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gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
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}
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g_object_unref (rcstyle);
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style_changing = false;
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}
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}
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void
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StateButton::avoid_prelight_on_state_changed (Gtk::StateType old_state, GtkWidget* widget)
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{
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GtkStateType state = gtk_widget_get_state (widget);
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if (state == GTK_STATE_PRELIGHT) {
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state_before_prelight = old_state;
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/* avoid PRELIGHT when currently ACTIVE:
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if we just went into PRELIGHT, make sure that the colors
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match those of whatever state we were in before.
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*/
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GtkRcStyle* rcstyle = gtk_widget_get_modifier_style (widget);
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GtkStyle* style = gtk_widget_get_style (widget);
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rcstyle->fg[GTK_STATE_PRELIGHT] = style->fg[old_state];
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rcstyle->bg[GTK_STATE_PRELIGHT] = style->bg[old_state];
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rcstyle->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags) (GTK_RC_FG|GTK_RC_BG);
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g_object_ref (rcstyle);
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gtk_widget_modify_style (widget, rcstyle);
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Widget* child = get_child_widget ();
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if (child) {
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gtk_widget_modify_style (GTK_WIDGET(child->gobj()), rcstyle);
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}
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g_object_unref (rcstyle);
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}
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}
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/* ----------------------------------------------------------------- */
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StatefulToggleButton::StatefulToggleButton ()
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{
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is_toggle = true;
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}
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StatefulToggleButton::StatefulToggleButton (const std::string& label)
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: ToggleButton (label)
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{
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is_toggle = true;
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}
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void
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StatefulToggleButton::on_realize ()
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{
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ToggleButton::on_realize ();
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_is_realized = true;
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visual_state++; // to force transition
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set_visual_state (visual_state - 1);
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}
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void
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StatefulButton::on_realize ()
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{
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Button::on_realize ();
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_is_realized = true;
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visual_state++; // to force transition
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set_visual_state (visual_state - 1);
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}
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void
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StatefulToggleButton::on_toggled ()
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{
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if (!_self_managed) {
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if (get_active()) {
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set_state (Gtk::STATE_ACTIVE);
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} else {
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set_state (Gtk::STATE_NORMAL);
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}
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}
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}
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void
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StatefulToggleButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
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{
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avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
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Button::on_style_changed (style);
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}
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void
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StatefulToggleButton::on_state_changed (Gtk::StateType old_state)
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{
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avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
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Button::on_state_changed (old_state);
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}
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Widget*
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StatefulToggleButton::get_child_widget ()
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{
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return get_child();
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}
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void
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StatefulToggleButton::set_widget_name (const std::string& name)
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{
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set_name (name);
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Widget* w = get_child();
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if (w) {
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w->set_name (name);
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}
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}
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/*--------------------------------------------- */
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StatefulButton::StatefulButton ()
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{
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}
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StatefulButton::StatefulButton (const std::string& label)
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: Button (label)
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{
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}
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void
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StatefulButton::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
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{
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avoid_prelight_on_style_changed (style, GTK_WIDGET(gobj()));
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Button::on_style_changed (style);
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}
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void
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StatefulButton::on_state_changed (Gtk::StateType old_state)
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{
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avoid_prelight_on_state_changed (old_state, GTK_WIDGET(gobj()));
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Button::on_state_changed (old_state);
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}
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Widget*
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StatefulButton::get_child_widget ()
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{
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return get_child();
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}
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void
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StatefulButton::set_widget_name (const std::string& name)
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{
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set_name (name);
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Widget* w = get_child();
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if (w) {
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w->set_name (name);
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}
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}
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