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livetrax/libs/gtkmm2ext/stateful_button.cc

105 lines
1.8 KiB
C++

#include <string>
#include <iostream>
#include <gtkmm/main.h>
#include <gtkmm2ext/stateful_button.h>
using namespace Gtk;
using namespace Glib;
using namespace Gtkmm2ext;
using namespace std;
StateButton::StateButton ()
{
visual_state = 0;
have_saved_bg = false;
}
void
StateButton::set_colors (const vector<Gdk::Color>& c)
{
colors = c;
visual_state++; // to force transition
set_visual_state (visual_state - 1);
}
void
StateButton::set_visual_state (int n)
{
if (!have_saved_bg) {
/* not yet realized */
visual_state = n;
return;
}
if (n == visual_state) {
return;
}
if (n == 0) {
/* back to the default color */
if (have_saved_bg) {
bg_modify (STATE_NORMAL, saved_bg);
bg_modify (STATE_ACTIVE, saved_bg);
bg_modify (STATE_SELECTED, saved_bg);
bg_modify (STATE_PRELIGHT, saved_bg);
}
} else {
int index = (n-1) % colors.size ();
bg_modify (STATE_NORMAL, colors[index]);
bg_modify (STATE_ACTIVE, colors[index]);
bg_modify (STATE_SELECTED, colors[index]);
bg_modify (STATE_PRELIGHT, colors[index]);
}
visual_state = n;
}
/* ----------------------------------------------------------------- */
void
StatefulToggleButton::on_realize ()
{
ToggleButton::on_realize ();
if (!have_saved_bg) {
saved_bg = get_style()->get_bg (STATE_NORMAL);
have_saved_bg = true;
}
visual_state++; // to force transition
set_visual_state (visual_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;
}
visual_state++; // to force transition
set_visual_state (visual_state - 1);
}
void
StatefulToggleButton::on_toggled ()
{
if (get_active()) {
set_visual_state (1);
} else {
set_visual_state (0);
}
}