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Sourcecode: ardour version File versions

splash.cc

#include <string>

#include <pbd/failed_constructor.h>
#include <ardour/ardour.h>

#include "gui_thread.h"
#include "splash.h"

#include "i18n.h"

using namespace Gtk;
using namespace Glib;
using namespace std;
using namespace ARDOUR;

Splash* Splash::the_splash = 0;

Splash::Splash ()
{
      string path = find_data_file ("splash.png");

      if (path.empty()) {
            throw failed_constructor();
      }

      try {
            pixbuf = Gdk::Pixbuf::create_from_file (path);
      }

      catch (...) {
            throw failed_constructor();
      }
      
      darea.set_size_request (pixbuf->get_width(), pixbuf->get_height());
      set_keep_above (true);
      set_position (WIN_POS_CENTER);
      darea.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
      darea.set_double_buffered (false);

      layout = create_pango_layout ("");
      string str = "<b>";
      string i18n = _("Ardour loading ...");
      str += i18n;
      str += "</b>";

      layout->set_markup (str);

      darea.show ();
      darea.signal_expose_event().connect (mem_fun (*this, &Splash::expose));

      add (darea);

      set_default_size (pixbuf->get_width(), pixbuf->get_height());
      the_splash = this;

      ARDOUR::BootMessage.connect (mem_fun (*this, &Splash::boot_message));
}

void
Splash::pop_back ()
{
      set_keep_above (false);
}

void
Splash::on_realize ()
{
      Window::on_realize ();

      // Without override redirect, splash screen has redraw problems with ion3.
      // With override redirect, it is not properly on top with some other
      // popular (metacity for example) window managers.
      // Maybe setting override redirect and something else (like the splash wm hint)
      // will make the splash to work for everybody
      // Override redirect only does not work on OS X too.
      // Until we find solution that works for everybody this env var kludge is used
      if (getenv ("ARDOUR_USE_OVERRIDE_REDIRECT_SPLASH") != 0) {
            get_window()->set_override_redirect (true);
      } else {
            get_window()->set_decorations (Gdk::WMDecoration (0));
      }

      layout->set_font_description (get_style()->get_font());
}


bool
Splash::on_button_release_event (GdkEventButton* ev)
{
      hide ();
      return true;
}

bool
Splash::expose (GdkEventExpose* ev)
{
      RefPtr<Gdk::Window> window = darea.get_window();

      /* note: height & width need to be constrained to the pixbuf size
         in case a WM provides us with a screwy allocation
      */

      window->draw_pixbuf (get_style()->get_bg_gc (STATE_NORMAL), pixbuf,
                       ev->area.x, ev->area.y,
                       ev->area.x, ev->area.y,
                       min ((pixbuf->get_width() - ev->area.x), ev->area.width), 
                       min ((pixbuf->get_height() - ev->area.y), ev->area.height),
                       Gdk::RGB_DITHER_NONE, 0, 0);
      
      Glib::RefPtr<Gtk::Style> style = darea.get_style();
      Glib::RefPtr<Gdk::GC> white = style->get_white_gc();

      window->draw_layout (white, 10, pixbuf->get_height() - 30, layout);

      return true;
}

void
Splash::boot_message (std::string msg)
{
      message (msg);
}

void
Splash::message (const string& msg)
{
      string str ("<b>");
      str += msg;
      str += "</b>";

      layout->set_markup (str);
      Glib::RefPtr<Gdk::Window> win = darea.get_window();

      if (win) {
            win->invalidate_rect (Gdk::Rectangle (0, darea.get_height() - 30,
                                          darea.get_width(), 30), true);
            win->process_updates (true);
            gdk_flush ();
      }
}

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