andrewm@0: /*
andrewm@0:   TouchKeys: multi-touch musical keyboard control software
andrewm@0:   Copyright (c) 2013 Andrew McPherson
andrewm@0: 
andrewm@0:   This program is free software: you can redistribute it and/or modify
andrewm@0:   it under the terms of the GNU General Public License as published by
andrewm@0:   the Free Software Foundation, either version 3 of the License, or
andrewm@0:   (at your option) any later version.
andrewm@0:  
andrewm@0:   This program is distributed in the hope that it will be useful,
andrewm@0:   but WITHOUT ANY WARRANTY; without even the implied warranty of
andrewm@0:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrewm@0:   GNU General Public License for more details.
andrewm@0: 
andrewm@0:   You should have received a copy of the GNU General Public License
andrewm@0:   along with this program.  If not, see <http://www.gnu.org/licenses/>.
andrewm@0:  
andrewm@0:   =====================================================================
andrewm@0: 
andrewm@0:   OpenGLJuceCanvas.h: Juce Component subclass which connects to the
andrewm@0:   OpenGLDisplayBase class. Provides a generic interface between Juce and
andrewm@0:   the specific OpenGL renderer.
andrewm@0: */
andrewm@0: 
andrewm@0: #ifndef __TouchKeys__OpenGLJuceCanvas__
andrewm@0: #define __TouchKeys__OpenGLJuceCanvas__
andrewm@0: 
andrewm@0: #include "../JuceLibraryCode/JuceHeader.h"
andrewm@0: #include "OpenGLDisplayBase.h"
andrewm@0: 
andrewm@0: #if JUCE_OPENGL
andrewm@0: 
andrewm@0: //==============================================================================
andrewm@0: class OpenGLJuceCanvas  : public Component,
andrewm@0:                           public OpenGLRenderer
andrewm@0: {
andrewm@0: public:
andrewm@0:     // *** Constructor / Destructor ***
andrewm@0:     OpenGLJuceCanvas(OpenGLDisplayBase& display) : display_(display) {
andrewm@0:         openGLContext_.setRenderer (this);
andrewm@27:         openGLContext_.setComponentPaintingEnabled (false);
andrewm@29:         // Funny OpenGL bugs in Linux version that results in improper drawing when in background
andrewm@29:         // For other OSes, save the cycles of continuous repainting.
andrewm@29:         if(SystemStats::getOperatingSystemType() == SystemStats::Linux)
andrewm@29:             openGLContext_.setContinuousRepainting (true);
andrewm@29:         else
andrewm@29:             openGLContext_.setContinuousRepainting (false);
andrewm@0:         openGLContext_.attachTo (*this);
andrewm@27:         display_.setCanvas(this);
andrewm@0:     }
andrewm@0:     ~OpenGLJuceCanvas() {
andrewm@0:         openGLContext_.detach();
andrewm@0:     }
andrewm@0:     
andrewm@0:     // *** OpenGL Context Methods ***
andrewm@0:     void newOpenGLContextCreated() {}
andrewm@0:     void openGLContextClosing() {}
andrewm@0:     
andrewm@27:     void mouseDown (const MouseEvent& e) {
andrewm@0:         if(e.mods.isLeftButtonDown())
andrewm@0:             display_.mouseDown(e.x, e.y);
andrewm@0:         else if(e.mods.isRightButtonDown())
andrewm@0:             display_.rightMouseDown(e.x, e.y);
andrewm@0:     }
andrewm@0:     
andrewm@27:     void mouseDrag (const MouseEvent& e) {
andrewm@0:         if(e.mods.isLeftButtonDown())
andrewm@0:             display_.mouseDragged(e.x, e.y);
andrewm@0:         else if(e.mods.isRightButtonDown())
andrewm@0:             display_.rightMouseDragged(e.x, e.y);
andrewm@0:     }
andrewm@0:     
andrewm@27:     void mouseUp (const MouseEvent& e) {
andrewm@0:         if(e.mods.isLeftButtonDown())
andrewm@0:             display_.mouseUp(e.x, e.y);
andrewm@0:         else if(e.mods.isRightButtonDown())
andrewm@0:             display_.rightMouseUp(e.x, e.y);
andrewm@0:     }
andrewm@0:     
andrewm@0:     
andrewm@0:     void resized() {
andrewm@0:         display_.setDisplaySize(getWidth(), getHeight());
andrewm@0:     }
andrewm@0:     
andrewm@0:     void paint (Graphics&) {}
andrewm@0:     
andrewm@27:     void renderOpenGL() {
andrewm@0:         display_.render();
andrewm@0:     }
andrewm@0:     
andrewm@27:     // Method to tell the OpenGLContext to repaint
andrewm@27:     void triggerRepaint() {
andrewm@27:         openGLContext_.triggerRepaint();
andrewm@27:     }
andrewm@27:     
andrewm@0: private:
andrewm@0:     OpenGLDisplayBase& display_;    // Reference to the TouchKeys-specific OpenGL Display
andrewm@0:     OpenGLContext openGLContext_;
andrewm@0: };
andrewm@0: 
andrewm@0: #endif /* JUCE_OPENGL */
andrewm@0: 
andrewm@0: #endif /* defined(__TouchKeys__OpenGLJuceCanvas__) */