Paul Davis
541ff63201
git-svn-id: svn://localhost/trunk/ardour2@200 d708f5d6-7413-0410-9779-e7cbd77b26cf
81 lines
1.4 KiB
C++
81 lines
1.4 KiB
C++
#include <string>
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#include <iostream>
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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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StatefulButton::StatefulButton ()
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{
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current_state = 0;
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have_saved_bg = false;
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}
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StatefulButton::StatefulButton (const string& label)
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: Button (label)
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{
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current_state = 0;
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have_saved_bg = false;
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}
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void
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StatefulButton::set_colors (const vector<Gdk::Color>& c)
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{
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colors = c;
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current_state++; // to force transition
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set_state (current_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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if (!have_saved_bg) {
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saved_bg = get_style()->get_bg (STATE_NORMAL);
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have_saved_bg = true;
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}
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current_state++; // to force transition
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set_state (current_state - 1);
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}
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void
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StatefulButton::set_state (int n)
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{
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if (is_realized()) {
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if (n == current_state) {
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return;
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}
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if (n == 0) {
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/* back to the default color */
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if (have_saved_bg) {
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modify_bg (STATE_NORMAL, saved_bg);
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modify_bg (STATE_ACTIVE, saved_bg);
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modify_bg (STATE_SELECTED, saved_bg);
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modify_bg (STATE_PRELIGHT, saved_bg);
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}
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} else {
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int index = (n-1) % colors.size ();
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modify_bg (STATE_NORMAL, colors[index]);
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modify_bg (STATE_ACTIVE, colors[index]);
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modify_bg (STATE_SELECTED, colors[index]);
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modify_bg (STATE_PRELIGHT, colors[index]);
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}
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/* leave insensitive alone */
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}
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current_state = n;
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}
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