#include #include #include "canvas/canvas.h" #include "canvas/rectangle.h" using namespace std; using namespace ArdourCanvas; Gtk::Adjustment* hadj; Gtk::Adjustment* vadj; void left_clicked () { hadj->set_value (hadj->get_value() - 64); } void right_clicked () { hadj->set_value (hadj->get_value() + 64); } int main (int argc, char* argv[]) { Gtk::Main kit (argc, argv); Gtk::Window window; window.set_title ("Hello world"); GtkCanvas canvas; Rectangle a (canvas.root(), Rect (64, 64, 128, 128)); a.set_outline_color (0xff0000aa); Rectangle b (canvas.root(), Rect (64, 64, 128, 128)); b.set_position (Duple (256, 256)); b.set_outline_width (4); b.set_outline_color (0x00ff00ff); Gtk::HBox button_box; 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); hadj = new Gtk::Adjustment (0, 0, 1e3); vadj = new Gtk::Adjustment (0, 0, 1e3); Gtk::Viewport viewport (*hadj, *vadj); viewport.add (canvas); Gtk::VBox overall_box; overall_box.pack_start (viewport); overall_box.pack_start (button_box, false, false); window.add (overall_box); canvas.show (); window.show_all (); Gtk::Main::run (window); return 0; }