/* * Copyright (C) 2008-2012 David Robillard * Copyright (C) 2008-2016 Paul Davis * Copyright (C) 2009-2012 Carl Hetherington * Copyright (C) 2012-2014 Tim Mayberry * Copyright (C) 2012-2017 Robin Gareus * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include "pbd/failed_constructor.h" #include "pbd/file_utils.h" #include "pbd/stacktrace.h" #include "ardour/ardour.h" #include "ardour/filesystem_paths.h" #include "gtkmm2ext/utils.h" #ifdef check #undef check #endif #include "gui_thread.h" #include "splash.h" #include "pbd/i18n.h" using namespace Gtk; using namespace Glib; using namespace PBD; using namespace std; using namespace ARDOUR; Splash* Splash::the_splash = 0; Splash* Splash::instance() { if (!the_splash) { the_splash = new Splash; } return the_splash; } bool Splash::exists () { return the_splash; } void Splash::drop () { delete the_splash; the_splash = 0; } Splash::Splash () { assert (the_splash == 0); std::string splash_file; Searchpath rc (ARDOUR::ardour_data_search_path()); rc.add_subdirectory_to_paths ("resources"); if (!find_file (rc, PROGRAM_NAME "-splash.png", splash_file)) { cerr << "Cannot find splash screen image file\n"; throw failed_constructor(); } try { pixbuf = Gdk::Pixbuf::create_from_file (splash_file); } catch (...) { cerr << "Cannot construct splash screen image\n"; throw failed_constructor(); } darea.set_size_request (pixbuf->get_width(), pixbuf->get_height()); pop_front (); 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 = ""; string i18n = string_compose (_("%1 loading ..."), PROGRAM_NAME); str += i18n; str += ""; layout->set_markup (str); darea.show (); darea.signal_expose_event().connect (sigc::mem_fun (*this, &Splash::expose)); add (darea); set_default_size (pixbuf->get_width(), pixbuf->get_height()); set_resizable (false); set_type_hint(Gdk::WINDOW_TYPE_HINT_SPLASHSCREEN); the_splash = this; expose_done = false; expose_is_the_one = false; ARDOUR::BootMessage.connect (msg_connection, invalidator (*this), boost::bind (&Splash::boot_message, this, _1), gui_context()); } Splash::~Splash () { idle_connection.disconnect (); expose_done = true; hide (); the_splash = 0; } void Splash::pop_back_for (Gtk::Window& win) { #if defined __APPLE__ || defined PLATFORM_WINDOWS /* April 2013: window layering on OS X is a bit different to X Window. at present, * the "restack()" functionality in GDK will only operate on windows in the same * "level" (e.g. two normal top level windows, or two utility windows) and will not * work across them. The splashscreen is on its own "StatusWindowLevel" so restacking * is not going to work. * * So for OS X, we just hide ourselves. * * Oct 2014: The Windows situation is similar, although it should be possible * to play tricks with gdk's set_type_hint() or directly hack things using * SetWindowLong() and UpdateLayeredWindow() */ (void) win; hide(); #else set_keep_above (false); if (is_mapped()) { get_window()->restack (win.get_window(), false); } #endif } void Splash::pop_front () { if (get_window()) { #if defined __APPLE__ || defined PLATFORM_WINDOWS show (); #else gdk_window_restack(get_window()->gobj(), NULL, true); #endif } } void Splash::hide () { Gtk::Window::hide(); } void Splash::on_realize () { Window::on_realize (); get_window()->set_decorations (Gdk::WMDecoration(0)); layout->set_font_description (get_style()->get_font()); } bool Splash::on_button_release_event (GdkEventButton* ev) { RefPtr window = get_window(); if (!window || ev->window != window->gobj()) { return false; } hide (); return true; } bool Splash::expose (GdkEventExpose* ev) { RefPtr 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 style = darea.get_style(); Glib::RefPtr white = style->get_white_gc(); window->draw_layout (white, 10, pixbuf->get_height() - 30, layout); /* this must execute AFTER the GDK idle update mechanism */ if (expose_is_the_one) { idle_connection = Glib::signal_idle().connect ( sigc::mem_fun (this, &Splash::idle_after_expose), GDK_PRIORITY_REDRAW+2); } return true; } void Splash::boot_message (std::string msg) { if (!is_visible()) { display (); } message (msg); } bool Splash::idle_after_expose () { expose_done = true; return false; } void Splash::display () { bool was_mapped = is_mapped (); if (!was_mapped) { expose_done = false; expose_is_the_one = false; } pop_front (); present (); if (!was_mapped) { while (!expose_done && gtk_events_pending()) { gtk_main_iteration (); } gdk_display_flush (gdk_display_get_default()); } } void Splash::message (const string& msg) { string str (""); str += Gtkmm2ext::markup_escape_text (msg); str += ""; show (); layout->set_markup (str); Glib::RefPtr win = darea.get_window(); if (win) { if (win->is_visible ()) { win->invalidate_rect (Gdk::Rectangle (0, darea.get_height() - 30, darea.get_width(), 30), true); } else { darea.queue_draw (); } if (expose_done) { ARDOUR::GUIIdle (); } } } bool Splash::on_map_event (GdkEventAny* ev) { expose_is_the_one = true; return Window::on_map_event (ev); }