[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://ogre.sourceforge.net/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 |
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| 26 | #include "OgreGTKWindow.h"
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| 27 | #include "OgreGTKGLSupport.h"
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| 28 | #include "OgreRenderSystem.h"
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| 29 | #include "OgreRoot.h"
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| 30 | #include "OgreLogManager.h"
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| 31 |
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| 32 | using namespace Ogre;
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| 33 |
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| 34 | OGREWidget::OGREWidget(bool useDepthBuffer) :
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| 35 | Gtk::GL::DrawingArea()
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| 36 | {
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| 37 | Glib::RefPtr<Gdk::GL::Config> glconfig;
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| 38 |
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| 39 | Gdk::GL::ConfigMode mode = Gdk::GL::MODE_RGBA | Gdk::GL::MODE_DOUBLE;
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| 40 | if (useDepthBuffer)
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| 41 | mode |= Gdk::GL::MODE_DEPTH;
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| 42 |
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| 43 | glconfig = Gdk::GL::Config::create(mode);
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| 44 | if (glconfig.is_null())
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| 45 | {
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| 46 | LogManager::getSingleton().logMessage("[gtk] GLCONFIG BLOWUP");
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| 47 | }
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| 48 |
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| 49 | // Inherit GL context from Ogre main context
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| 50 | set_gl_capability(glconfig, GTKGLSupport::getSingleton().getMainContext());
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| 51 |
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| 52 | add_events(Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
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| 53 | }
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| 54 |
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| 55 | // OGREWidget TODO:
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| 56 | // - resize events et al
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| 57 | // - Change aspect ratio
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| 58 |
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| 59 | GTKWindow::GTKWindow():
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| 60 | mGtkWindow(0)
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| 61 | {
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| 62 | //kit = Gtk::Main::instance();
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| 63 |
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| 64 | // Should this move to GTKGLSupport?
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| 65 | // Gtk::GL::init(0, NULL);
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| 66 | // Already done in GTKGLSupport
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| 67 |
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| 68 | mWidth = 0;
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| 69 | mHeight = 0;
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| 70 | }
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| 71 |
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| 72 | GTKWindow::~GTKWindow()
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| 73 | {
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| 74 | }
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| 75 | bool GTKWindow::pump_events()
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| 76 | {
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| 77 | Gtk::Main *kit = Gtk::Main::instance();
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| 78 | if (kit->events_pending())
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| 79 | {
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| 80 | kit->iteration(false);
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| 81 | return true;
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| 82 | }
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| 83 | return false;
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| 84 | }
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| 85 |
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| 86 | OGREWidget* GTKWindow::get_ogre_widget()
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| 87 | {
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| 88 | return ogre;
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| 89 | }
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| 90 |
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| 91 | void GTKWindow::create(const String& name, unsigned int width, unsigned int height, unsigned int colourDepth,
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| 92 | bool fullScreen, int left, int top, bool depthBuffer,
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| 93 | void* miscParam, ...)
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| 94 | {
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| 95 | mName = name;
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| 96 | mWidth = width;
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| 97 | mHeight = height;
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| 98 |
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| 99 | if(!miscParam) {
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| 100 | mGtkWindow = new Gtk::Window();
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| 101 | mGtkWindow->set_title(mName);
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| 102 |
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| 103 | if (fullScreen)
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| 104 | {
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| 105 | mGtkWindow->set_decorated(false);
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| 106 | mGtkWindow->fullscreen();
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| 107 | }
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| 108 | else
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| 109 | {
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| 110 | mGtkWindow->set_default_size(mWidth, mHeight);
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| 111 | mGtkWindow->move(left, top);
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| 112 | }
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| 113 | } else {
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| 114 | // If miscParam is not 0, a parent widget has been passed in,
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| 115 | // we will handle this later on after the widget has been created.
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| 116 | }
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| 117 |
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| 118 | ogre = Gtk::manage(new OGREWidget(depthBuffer));
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| 119 | ogre->set_size_request(width, height);
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| 120 |
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| 121 | ogre->signal_delete_event().connect(SigC::slot(*this, >KWindow::on_delete_event));
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| 122 | ogre->signal_expose_event().connect(SigC::slot(*this, >KWindow::on_expose_event));
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| 123 |
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| 124 | if(mGtkWindow) {
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| 125 | mGtkWindow->add(*ogre);
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| 126 | mGtkWindow->show_all();
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| 127 | }
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| 128 | if(miscParam) {
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| 129 | // Attach it!
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| 130 | // Note that the parent widget *must* be visible already at this point,
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| 131 | // or the widget won't get realized in time for the GLinit that follows
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| 132 | // this call. This is usually the case for Glade generated windows, anyway.
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| 133 | reinterpret_cast<Gtk::Container*>(miscParam)->add(*ogre);
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| 134 | ogre->show();
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| 135 | }
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| 136 | //ogre->realize();
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| 137 | }
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| 138 |
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| 139 | void GTKWindow::destroy()
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| 140 | {
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| 141 | Root::getSingleton().getRenderSystem()->detachRenderTarget( this->getName() );
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| 142 | // We could detach the widget from its parent and destroy it here too,
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| 143 | // but then again, it is managed so we rely on GTK to destroy it.
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| 144 | delete mGtkWindow;
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| 145 | mGtkWindow = 0;
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| 146 |
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| 147 | }
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| 148 |
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| 149 | bool GTKWindow::isActive() const
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| 150 | {
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| 151 | return ogre->is_realized();
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| 152 | }
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| 153 |
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| 154 | bool GTKWindow::isClosed() const
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| 155 | {
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| 156 | return ogre->is_visible();
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| 157 | }
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| 158 |
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| 159 | void GTKWindow::reposition(int left, int top)
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| 160 | {
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| 161 | if(mGtkWindow)
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| 162 | mGtkWindow->move(left, top);
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| 163 | }
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| 164 |
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| 165 | void GTKWindow::resize(unsigned int width, unsigned int height)
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| 166 | {
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| 167 | if(mGtkWindow)
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| 168 | mGtkWindow->resize(width, height);
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| 169 | }
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| 170 |
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| 171 | void GTKWindow::swapBuffers(bool waitForVSync)
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| 172 | {
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| 173 | Glib::RefPtr<Gdk::GL::Window> glwindow = ogre->get_gl_window();
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| 174 | glwindow->swap_buffers();
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| 175 | }
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| 176 |
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| 177 | void GTKWindow::writeContentsToFile(const String& filename)
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| 178 | {
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| 179 | // XXX impl me
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| 180 | }
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| 181 |
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| 182 | void GTKWindow::getCustomAttribute( const String& name, void* pData )
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| 183 | {
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| 184 | if( name == "GTKMMWINDOW" )
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| 185 | {
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| 186 | Gtk::Window **win = static_cast<Gtk::Window **>(pData);
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| 187 | // Oh, the burdens of multiple inheritance
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| 188 | *win = mGtkWindow;
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| 189 | return;
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| 190 | }
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| 191 | else if( name == "GTKGLMMWIDGET" )
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| 192 | {
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| 193 | Gtk::GL::DrawingArea **widget = static_cast<Gtk::GL::DrawingArea **>(pData);
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| 194 | *widget = ogre;
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| 195 | return;
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| 196 | }
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| 197 | else if( name == "isTexture" )
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| 198 | {
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| 199 | bool *b = reinterpret_cast< bool * >( pData );
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| 200 | *b = false;
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| 201 | return;
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| 202 | }
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| 203 | RenderWindow::getCustomAttribute(name, pData);
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| 204 | }
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| 205 |
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| 206 |
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| 207 | bool GTKWindow::on_delete_event(GdkEventAny* event)
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| 208 | {
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| 209 | Root::getSingleton().getRenderSystem()->detachRenderTarget( this->getName() );
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| 210 | return false;
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| 211 | }
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| 212 |
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| 213 | bool GTKWindow::on_expose_event(GdkEventExpose* event)
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| 214 | {
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| 215 | // Window exposed, update interior
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| 216 | //std::cout << "Window exposed, update interior" << std::endl;
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| 217 | // TODO: time between events, as expose events can be sent crazily fast
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| 218 | update();
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| 219 | return false;
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| 220 | }
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