gtk2_ardour/splash.cc

   1 #include <string>
   2
   3 #include "pbd/failed_constructor.h"
   4 #include "pbd/file_utils.h"
   5 #include "ardour/ardour.h"
   6 #include "ardour/filesystem_paths.h"
   7
   8 #include "gui_thread.h"
   9 #include "splash.h"
  10
  11 #include "i18n.h"
  12
  13 using namespace Gtk;
  14 using namespace Glib;
  15 using namespace PBD;
  16 using namespace std;
  17 using namespace ARDOUR;
  18
  19 Splash* Splash::the_splash = 0;
  20
  21 Splash::Splash ()
  22 {
  23         sys::path splash_file;
  24
  25         if (!find_file_in_search_path (ardour_search_path() + system_data_search_path(), "splash.png", splash_file)) {
  26                 throw failed_constructor();
  27         }
  28
  29         try {
  30                 pixbuf = Gdk::Pixbuf::create_from_file (splash_file.to_string());
  31         }
  32
  33         catch (...) {
  34                 throw failed_constructor();
  35         }
  36
  37         darea.set_size_request (pixbuf->get_width(), pixbuf->get_height());
  38         set_keep_above (true);
  39         set_position (WIN_POS_CENTER);
  40         darea.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  41         darea.set_double_buffered (false);
  42
  43         layout = create_pango_layout ("");
  44         string str = "<b>";
  45         string i18n = string_compose (_("%1 loading ..."), PROGRAM_NAME);
  46         str += i18n;
  47         str += "</b>";
  48
  49         layout->set_markup (str);
  50
  51         darea.show ();
  52         darea.signal_expose_event().connect (sigc::mem_fun (*this, &Splash::expose));
  53
  54         add (darea);
  55
  56         set_default_size (pixbuf->get_width(), pixbuf->get_height());
  57         the_splash = this;
  58
  59         ARDOUR::BootMessage.connect (msg_connection, invalidator (*this), ui_bind (&Splash::boot_message, this, _1), gui_context());
  60 }
  61
  62 void
  63 Splash::pop_back ()
  64 {
  65         set_keep_above (false);
  66 }
  67
  68 void
  69 Splash::on_realize ()
  70 {
  71         Window::on_realize ();
  72         get_window()->set_decorations (Gdk::WMDecoration(0));
  73         layout->set_font_description (get_style()->get_font());
  74 }
  75
  76
  77 bool
  78 Splash::on_button_release_event (GdkEventButton*)
  79 {
  80         hide ();
  81         return true;
  82 }
  83
  84 bool
  85 Splash::expose (GdkEventExpose* ev)
  86 {
  87         RefPtr<Gdk::Window> window = darea.get_window();
  88
  89         /* note: height & width need to be constrained to the pixbuf size
  90            in case a WM provides us with a screwy allocation
  91         */
  92
  93         window->draw_pixbuf (get_style()->get_bg_gc (STATE_NORMAL), pixbuf,
  94                              ev->area.x, ev->area.y,
  95                              ev->area.x, ev->area.y,
  96                              min ((pixbuf->get_width() - ev->area.x), ev->area.width),
  97                              min ((pixbuf->get_height() - ev->area.y), ev->area.height),
  98                              Gdk::RGB_DITHER_NONE, 0, 0);
  99
 100         Glib::RefPtr<Gtk::Style> style = darea.get_style();
 101         Glib::RefPtr<Gdk::GC> white = style->get_white_gc();
 102
 103         window->draw_layout (white, 10, pixbuf->get_height() - 30, layout);
 104
 105         return true;
 106 }
 107
 108 void
 109 Splash::boot_message (std::string msg)
 110 {
 111         message (msg);
 112 }
 113
 114 void
 115 Splash::message (const string& msg)
 116 {
 117         string str ("<b>");
 118         str += msg;
 119         str += "</b>";
 120
 121         layout->set_markup (str);
 122         Glib::RefPtr<Gdk::Window> win = darea.get_window();
 123
 124         if (win) {
 125                 win->invalidate_rect (Gdk::Rectangle (0, darea.get_height() - 30,
 126                                                       darea.get_width(), 30), true);
 127                 win->process_updates (true);
 128                 gdk_flush ();
 129         }
 130 }