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 = string_compose (_("%1 loading ..."), PROGRAM_NAME);
  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
  70         // Without override redirect, splash screen has redraw problems with ion3.
  71         // With override redirect, it is not properly on top with some other
  72         // popular (metacity for example) window managers.
  73         // Maybe setting override redirect and something else (like the splash wm hint)
  74         // will make the splash to work for everybody
  75         // Override redirect only does not work on OS X too.
  76         // Until we find solution that works for everybody this env var kludge is used
  77         if (getenv ("ARDOUR_USE_OVERRIDE_REDIRECT_SPLASH") != 0) {
  78                 get_window()->set_override_redirect (true);
  79         } else {
  80                 get_window()->set_decorations (Gdk::WMDecoration (0));
  81         }
  82
  83         layout->set_font_description (get_style()->get_font());
  84 }
  85
  86
  87 bool
  88 Splash::on_button_release_event (GdkEventButton* ev)
  89 {
  90         hide ();
  91         return true;
  92 }
  93
  94 bool
  95 Splash::expose (GdkEventExpose* ev)
  96 {
  97         RefPtr<Gdk::Window> window = darea.get_window();
  98
  99         /* note: height & width need to be constrained to the pixbuf size
 100            in case a WM provides us with a screwy allocation
 101         */
 102
 103         window->draw_pixbuf (get_style()->get_bg_gc (STATE_NORMAL), pixbuf,
 104                              ev->area.x, ev->area.y,
 105                              ev->area.x, ev->area.y,
 106                              min ((pixbuf->get_width() - ev->area.x), ev->area.width),
 107                              min ((pixbuf->get_height() - ev->area.y), ev->area.height),
 108                              Gdk::RGB_DITHER_NONE, 0, 0);
 109
 110         Glib::RefPtr<Gtk::Style> style = darea.get_style();
 111         Glib::RefPtr<Gdk::GC> white = style->get_white_gc();
 112
 113         window->draw_layout (white, 10, pixbuf->get_height() - 30, layout);
 114
 115         return true;
 116 }
 117
 118 void
 119 Splash::boot_message (std::string msg)
 120 {
 121         message (msg);
 122 }
 123
 124 void
 125 Splash::message (const string& msg)
 126 {
 127         string str ("<b>");
 128         str += msg;
 129         str += "</b>";
 130
 131         layout->set_markup (str);
 132         Glib::RefPtr<Gdk::Window> win = darea.get_window();
 133
 134         if (win) {
 135                 win->invalidate_rect (Gdk::Rectangle (0, darea.get_height() - 30,
 136                                                       darea.get_width(), 30), true);
 137                 win->process_updates (true);
 138                 gdk_flush ();
 139         }
 140 }