gtk2_ardour/splash.cc

   1 #include <string>
   2
   3 #include <pbd/failed_constructor.h>
   4 #include <ardour/ardour.h>
   5
   6 #include "gui_thread.h"
   7 #include "splash.h"
   8
   9 #include "i18n.h"
  10
  11 using namespace Gtk;
  12 using namespace Glib;
  13 using namespace std;
  14 using namespace ARDOUR;
  15
  16 Splash* Splash::the_splash = 0;
  17
  18 Splash::Splash ()
  19 {
  20         string path = find_data_file ("splash.png");
  21
  22         if (path.empty()) {
  23                 throw failed_constructor();
  24         }
  25
  26         try {
  27                 pixbuf = Gdk::Pixbuf::create_from_file (path);
  28         }
  29
  30         catch (...) {
  31                 throw failed_constructor();
  32         }
  33
  34         darea.set_size_request (pixbuf->get_width(), pixbuf->get_height());
  35         set_keep_above (true);
  36         set_position (WIN_POS_CENTER);
  37         darea.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  38         darea.set_double_buffered (false);
  39
  40         layout = create_pango_layout ("");
  41         string str = "<b>";
  42         string i18n = _("Ardour loading ...");
  43         str += i18n;
  44         str += "</b>";
  45
  46         layout->set_markup (str);
  47
  48         darea.show ();
  49         darea.signal_expose_event().connect (mem_fun (*this, &Splash::expose));
  50
  51         add (darea);
  52
  53         set_default_size (pixbuf->get_width(), pixbuf->get_height());
  54         the_splash = this;
  55
  56         ARDOUR::BootMessage.connect (mem_fun (*this, &Splash::boot_message));
  57 }
  58
  59 void
  60 Splash::pop_back ()
  61 {
  62         set_keep_above (false);
  63 }
  64
  65 void
  66 Splash::on_realize ()
  67 {
  68         Window::on_realize ();
  69         get_window()->set_decorations (Gdk::WMDecoration(0));
  70         layout->set_font_description (get_style()->get_font());
  71 }
  72
  73
  74 bool
  75 Splash::on_button_release_event (GdkEventButton* ev)
  76 {
  77         hide ();
  78         return true;
  79 }
  80
  81 bool
  82 Splash::expose (GdkEventExpose* ev)
  83 {
  84         RefPtr<Gdk::Window> window = darea.get_window();
  85
  86         /* note: height & width need to be constrained to the pixbuf size
  87            in case a WM provides us with a screwy allocation
  88         */
  89
  90         window->draw_pixbuf (get_style()->get_bg_gc (STATE_NORMAL), pixbuf,
  91                              ev->area.x, ev->area.y,
  92                              ev->area.x, ev->area.y,
  93                              min ((pixbuf->get_width() - ev->area.x), ev->area.width),
  94                              min ((pixbuf->get_height() - ev->area.y), ev->area.height),
  95                              Gdk::RGB_DITHER_NONE, 0, 0);
  96
  97         Glib::RefPtr<Gtk::Style> style = darea.get_style();
  98         Glib::RefPtr<Gdk::GC> white = style->get_white_gc();
  99
 100         window->draw_layout (white, 10, pixbuf->get_height() - 30, layout);
 101
 102         return true;
 103 }
 104
 105 void
 106 Splash::boot_message (std::string msg)
 107 {
 108         message (msg);
 109 }
 110
 111 void
 112 Splash::message (const string& msg)
 113 {
 114         string str ("<b>");
 115         str += msg;
 116         str += "</b>";
 117
 118         layout->set_markup (str);
 119         Glib::RefPtr<Gdk::Window> win = darea.get_window();
 120
 121         if (win) {
 122                 win->invalidate_rect (Gdk::Rectangle (0, darea.get_height() - 30,
 123                                                       darea.get_width(), 30), true);
 124                 win->process_updates (true);
 125                 gdk_flush ();
 126         }
 127 }