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livetrax/libs/canvas/test/gtk_movement.cc

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#include <iostream>
#include <gtkmm.h>
#include "canvas/canvas.h"
#include "canvas/rectangle.h"
using namespace std;
using namespace ArdourCanvas;
Rectangle* rectangle[2];
void
bigger_clicked ()
{
Rect r = rectangle[0]->get ();
r.x1 += 16;
r.y1 += 16;
rectangle[0]->set (r);
}
void
smaller_clicked ()
{
Rect r = rectangle[0]->get ();
r.x1 -= 16;
r.y1 -= 16;
rectangle[0]->set (r);
}
void
left_clicked ()
{
Duple p = rectangle[0]->position ();
p.x -= 16;
rectangle[0]->set_position (p);
}
void
right_clicked ()
{
Duple p = rectangle[0]->position ();
p.x += 16;
rectangle[0]->set_position (p);
}
int main (int argc, char* argv[])
{
Gtk::Main kit (argc, argv);
Gtk::Window window;
window.set_title ("Hello world");
window.set_size_request (512, 512);
GtkCanvas canvas;
canvas.set_size_request (2048, 2048);
rectangle[0] = new Rectangle (canvas.root(), Rect (64, 64, 128, 128));
rectangle[0]->set_outline_color (0xff0000aa);
rectangle[1] = new Rectangle (canvas.root(), Rect (64, 64, 128, 128));
rectangle[1]->set_position (Duple (256, 256));
rectangle[1]->set_outline_width (4);
rectangle[1]->set_outline_color (0x00ff00ff);
rectangle[1]->set_fill (true);
rectangle[1]->set_fill_color (0x00ffffff);
rectangle[1]->set_outline_what ((Rectangle::What) (Rectangle::LEFT | Rectangle::RIGHT));
Gtk::VBox overall_box;
Gtk::ScrolledWindow scroller;
scroller.add (canvas);
overall_box.pack_start (scroller);
Gtk::HBox button_box;
Gtk::Button bigger ("Bigger");
bigger.signal_clicked().connect (sigc::ptr_fun (&bigger_clicked));
button_box.pack_start (bigger);
Gtk::Button smaller ("Smaller");
smaller.signal_clicked().connect (sigc::ptr_fun (&smaller_clicked));
button_box.pack_start (smaller);
Gtk::Button left ("Left");
left.signal_clicked().connect (sigc::ptr_fun (&left_clicked));
button_box.pack_start (left);
Gtk::Button right ("Right");
right.signal_clicked().connect (sigc::ptr_fun (&right_clicked));
button_box.pack_start (right);
overall_box.pack_start (button_box, false, false);
window.add (overall_box);
canvas.show ();
window.show_all ();
Gtk::Main::run (window);
return 0;
}