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livetrax/gtk2_ardour/canvas_test.cc

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#include <glibmm.h>
#include <gtkmm/main.h>
#include <gtkmm/box.h>
#include <gtkmm/window.h>
#include "pbd/debug.h"
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
#include "pbd/pthread_utils.h"
#include "pbd/receiver.h"
#include "pbd/transmitter.h"
#include "ardour/audioengine.h"
#include "ardour/filename_extensions.h"
#include "ardour/types.h"
#include "gtkmm2ext/application.h"
#include "gtkmm2ext/window_title.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/utils.h"
#include "canvas/types.h"
#include "canvas/canvas.h"
#include "canvas/container.h"
#include "canvas/colors.h"
#include "canvas/debug.h"
#include "canvas/grid.h"
#include "canvas/scroll_group.h"
#include "canvas/text.h"
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#include "canvas/widget.h"
#include "ardour_button.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtkmm2ext;
using namespace Gtk;
#include "ardour/vst_types.h"
static const char* localedir = LOCALEDIR;
int vstfx_init (void*) { return 0; }
void vstfx_exit () {}
void vstfx_destroy_editor (VSTState*) {}
class LogReceiver : public Receiver
{
protected:
void receive (Transmitter::Channel chn, const char * str);
};
static LogReceiver log_receiver;
void
LogReceiver::receive (Transmitter::Channel chn, const char * str)
{
const char *prefix = "";
switch (chn) {
case Transmitter::Error:
prefix = "[ERROR]: ";
break;
case Transmitter::Info:
prefix = "[INFO]: ";
break;
case Transmitter::Warning:
prefix = "[WARNING]: ";
break;
case Transmitter::Fatal:
prefix = "[FATAL]: ";
break;
case Transmitter::Throw:
/* this isn't supposed to happen */
cerr << "Game Over\n";
abort ();
}
/* note: iostreams are already thread-safe: no external
lock required.
*/
std::cout << prefix << str << std::endl;
if (chn == Transmitter::Fatal) {
::exit (9);
}
}
/* ***************************************************************************/
/* ***************************************************************************/
/* ***************************************************************************/
class CANVAS_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
{
public:
CANVAS_UI (int *argcp, char **argvp[], const char* localedir);
~CANVAS_UI();
private:
int starting ();
bool main_window_delete_event (GdkEventAny* ev) { finish (); return true; }
void finish () { quit (); }
Gtk::Window _main_window;
ArdourCanvas::Container* initialize_canvas (ArdourCanvas::Canvas& canvas);
void canvas_size_request (Gtk::Requisition* req);
void canvas_size_allocated (Gtk::Allocation& alloc);
ArdourCanvas::GtkCanvas* canvas;
ArdourCanvas::Container* group;
ArdourCanvas::Grid* grid;
ArdourButton test_button;
};
/* ***************************************************************************/
CANVAS_UI::CANVAS_UI (int *argcp, char **argvp[], const char* localedir)
: Gtkmm2ext::UI (PROGRAM_NAME, X_("gui"), argcp, argvp)
{
Gtkmm2ext::init (localedir);
UIConfiguration::instance().post_gui_init ();
Gtkmm2ext::WindowTitle title ("Canvas Test");
_main_window.set_title (title.get_string());
_main_window.set_flags (CAN_FOCUS);
_main_window.signal_delete_event().connect (sigc::mem_fun (*this, &CANVAS_UI::main_window_delete_event));
VBox* b = manage (new VBox);
Label* l = manage (new Label ("Hello there"));
canvas = new ArdourCanvas::GtkCanvas ();
group = initialize_canvas (*canvas);
canvas->signal_size_request().connect (sigc::mem_fun (*this, &CANVAS_UI::canvas_size_request));
canvas->signal_size_allocate().connect (sigc::mem_fun (*this, &CANVAS_UI::canvas_size_allocated));
test_button.signal_clicked.connect (sigc::mem_fun (*this, &CANVAS_UI::finish));
test_button.set_text ("Don't click me");
b->pack_start (*l, false, 0);
b->pack_start (*canvas, true, 0);
_main_window.add (*b);
_main_window.show_all ();
}
CANVAS_UI::~CANVAS_UI ()
{
}
int
CANVAS_UI::starting ()
{
Application* app = Application::instance ();
app->ready ();
return 0;
}
ArdourCanvas::Container*
CANVAS_UI::initialize_canvas (ArdourCanvas::Canvas& canvas)
{
using namespace ArdourCanvas;
canvas.set_background_color (rgba_to_color (0.0, 0.0, 0.4, 1.0));
ScrollGroup* scroll_group = new ScrollGroup (canvas.root(),
ScrollGroup::ScrollSensitivity (ScrollGroup::ScrollsVertically|ScrollGroup::ScrollsHorizontally));
grid = new ArdourCanvas::Grid (scroll_group);
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grid->set_padding (40.0);
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grid->set_margin (0.0);
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grid->set_outline_width (3.0);
grid->set_outline_color (Color (0x3daec1ff));
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grid->set_outline (false);
grid->set_row_spacing (60.0);
grid->set_col_spacing (3.0);
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grid->set_homogenous (true);
ArdourCanvas::Text* text1 = new ArdourCanvas::Text (&canvas);
text1->set ("hello, world");
text1->set_color (Color (0xff0000ff));
ArdourCanvas::Text* text2 = new ArdourCanvas::Text (&canvas);
text2->set ("goodbye, cruel world");
text2->set_color (Color (0x00ff00ff));
ArdourCanvas::Text* text3 = new ArdourCanvas::Text (&canvas);
text3->set ("I am the third");
text3->set_color (Color (0xff00ffff));
ArdourCanvas::Text* text4 = new ArdourCanvas::Text (&canvas);
text4->set ("I am fourth");
text4->set_color (Color (0xffff00ff));
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grid->place (text1, 0, 0, 2, 1);
grid->place (text2, 2, 0);
grid->place (text3, 0, 2, 1, 2);
grid->place (text4, 1, 3);
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ArdourButton* button1 = new ArdourButton ("auto-return");
ArdourButton* button2 = new ArdourButton ("auto-play");
ArdourButton* button3 = new ArdourButton ("follow range");
ArdourButton* button4 = new ArdourButton ("auto-input");
ArdourCanvas::Widget* w1 = new ArdourCanvas::Widget (&canvas, *button1);
CANVAS_DEBUG_NAME (w1, "w1");
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grid->place (w1, 3, 0, 2, 0);
ArdourCanvas::Widget* w2 = new ArdourCanvas::Widget (&canvas, *button2);
CANVAS_DEBUG_NAME (w2, "w2");
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grid->place (w2, 5, 0, 2, 0);
ArdourCanvas::Widget* w3 = new ArdourCanvas::Widget (&canvas, *button3);
CANVAS_DEBUG_NAME (w3, "w3");
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grid->place (w3, 3, 1);
ArdourCanvas::Widget* w4 = new ArdourCanvas::Widget (&canvas, *button4);
CANVAS_DEBUG_NAME (w4, "w4");
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grid->place (w4, 4, 1);
//ArdourCanvas::Widget* w = new ArdourCanvas::Widget (scroll_group, test_button);
//CANVAS_DEBUG_NAME (w, "TheW");
return new ArdourCanvas::Container (scroll_group);
}
void
CANVAS_UI::canvas_size_request (Gtk::Requisition* req)
{
req->width = 100;
req->height = 100;
}
void
CANVAS_UI::canvas_size_allocated (Gtk::Allocation& alloc)
{
}
/* ***************************************************************************/
/* ***************************************************************************/
/* ***************************************************************************/
static CANVAS_UI *ui = 0;
int main (int argc, char **argv)
{
#if 0
fixup_bundle_environment (argc, argv, localedir);
load_custom_fonts();
// TODO setlocale..
#endif
if (!ARDOUR::init (false, true, localedir)) {
cerr << "Ardour failed to initialize\n" << endl;
::exit (EXIT_FAILURE);
}
if (!Glib::thread_supported()) {
Glib::thread_init();
}
pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
log_receiver.listen_to (error);
log_receiver.listen_to (info);
log_receiver.listen_to (fatal);
log_receiver.listen_to (warning);
if (UIConfiguration::instance().pre_gui_init ()) {
error << _("Could not complete pre-GUI initialization") << endmsg;
exit (1);
}
// we could load a session here, if needed
// see ../session_utils/common.cc
ui = new CANVAS_UI (&argc, &argv, localedir);
ui->run (log_receiver);
info << "Farewell" << endmsg;
Gtkmm2ext::Application::instance()->cleanup();
delete ui;
ui = 0;
ARDOUR::cleanup ();
pthread_cancel_all ();
return 0;
}