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#include <string>
#include <iostream>
#include "gtkmm2ext/stateful_button.h"
using namespace Gtk;
using namespace Glib;
using namespace Gtkmm2ext;
using namespace std;
StatefulButton::StatefulButton ()
{
current_state = 0;
have_saved_bg = false;
}
StatefulButton::StatefulButton (const string& label)
: Button (label)
{
current_state = 0;
have_saved_bg = false;
}
void
StatefulButton::set_colors (const vector<Gdk::Color>& c)
{
colors = c;
current_state++; // to force transition
set_state (current_state - 1);
}
void
StatefulButton::on_realize ()
{
Button::on_realize ();
if (!have_saved_bg) {
saved_bg = get_style()->get_bg (STATE_NORMAL);
have_saved_bg = true;
}
current_state++; // to force transition
set_state (current_state - 1);
}
void
StatefulButton::set_state (int n)
{
if (is_realized()) {
if (n == current_state) {
return;
}
if (n == 0) {
/* back to the default color */
if (have_saved_bg) {
modify_bg (STATE_NORMAL, saved_bg);
modify_bg (STATE_ACTIVE, saved_bg);
modify_bg (STATE_SELECTED, saved_bg);
modify_bg (STATE_PRELIGHT, saved_bg);
}
} else {
int index = (n-1) % colors.size ();
modify_bg (STATE_NORMAL, colors[index]);
modify_bg (STATE_ACTIVE, colors[index]);
modify_bg (STATE_SELECTED, colors[index]);
modify_bg (STATE_PRELIGHT, colors[index]);
}
/* leave insensitive alone */
}
current_state = n;
}
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