Initial commit (KDE3 version)

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>

1 files changed, 176 insertions, 0 deletions

diff --git a/src/komposeglfullscreenwidget.cpp b/src/komposeglfullscreenwidget.cpp
new file mode 100644
index 0000000..095a1de
--- /dev/null
+++ b/src/komposeglfullscreenwidget.cpp
@@ -0,0 +1,176 @@
+//
+// C++ Implementation: komposeglwidget
+//
+// Description:
+//
+//
+// Author: Hans Oischinger <oisch@sourceforge.net>, (C) 2004
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+#include "komposeglfullscreenwidget.h"
+
+#include "komposelayout.h"
+#include "komposetaskmanager.h"
+#include "komposegldesktopwidget.h"
+#include <kdebug.h>
+
+#include <GL/gl.h>
+#include <GL/glut.h>
+
+KomposeGLFullscreenWidget::KomposeGLFullscreenWidget(QWidget *parent, const char *name) :
+    QGLWidget(parent, name)
+{
+  qDebug("KomposeGLFullscreenWidget::KomposeGLFullscreenWidget()");
+  layout = new KomposeLayout( this );
+
+  setWindowState(Qt::WindowMaximized | Qt::WindowActive);
+  showFullScreen();
+  
+  createDesktopWidgets();
+}
+
+
+KomposeGLFullscreenWidget::~KomposeGLFullscreenWidget()
+{}
+
+void KomposeGLFullscreenWidget::createDesktopWidgets()
+{
+  // Create a Widget for every desktop
+  for (int i=0; i < KomposeTaskManager::instance()->getNumDesktops(); ++i)
+  {
+    int row = i / 2;
+    int col = i % 2;
+    //qDebug("rc %d %d", row, col);
+    desktop[i] = new KomposeGLDesktopWidget(i, this);
+    layout->add(dynamic_cast<KomposeWidgetInterface*>(desktop[i]));
+  }
+}
+
+void KomposeGLFullscreenWidget::initializeGL()
+{
+  // Set up the rendering context, define display lists etc.:
+  if( !format().hasOpenGL() )
+  {
+    qWarning( "KomposeGLFullscreenWidget::initializeGL() - OpenGL not supported!" );
+    return;
+  }
+
+  if ( !format().doubleBuffer() )
+  {
+    qWarning( "KomposeGLFullscreenWidget::initializeGL() - Direct rendering enabled !" );
+  }
+//   glShadeModel(GL_SMOOTH);
+// 
+//   format().setDirectRendering( true );
+//   format().setDoubleBuffer( true );
+//   format().setRgba( true );
+//   format().setDepth ( false );
+//   format().setAccum( false );
+//   format().setStencil( false );
+//   format().setAlpha( true );
+
+  // Alpha blend
+//   glEnable( GL_BLEND );
+//   glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+
+  // All smoothing stuff
+//   glEnable( GL_POLYGON_SMOOTH );
+//   glHint( GL_POLYGON_SMOOTH_HINT, GL_FASTEST );
+//   glEnable( GL_POINT_SMOOTH );
+//   glHint( GL_POINT_SMOOTH_HINT, GL_FASTEST );
+//   glEnable( GL_LINE_SMOOTH );
+//   glHint( GL_LINE_SMOOTH_HINT, GL_FASTEST );
+
+  // Lighting and Depth Test
+  glDisable( GL_LIGHTING );
+//   glDisable( GL_DEPTH_TEST );
+//   glDisable( GL_NORMALIZE );
+
+  glClearColor( 0.0, 0.0, 0.0, 0.0 );
+  glClear( GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT );
+
+  /*! Setup sizes */
+//   glLineWidth( 1.0 );
+//   glPointSize( 2.0 );
+
+  setOrthographicProjection();
+}
+
+void KomposeGLFullscreenWidget::resizeGL( int w, int h )
+{
+  // setup viewport, projection etc.:
+  setOrthographicProjection();
+  layout->arrangeLayout();
+}
+
+
+/*! draw OpenGL scene ( called from Qt ) */
+void KomposeGLFullscreenWidget::paintGL()
+{
+  qDebug("KomposeGLFullscreenWidget::paintGL()");
+
+  glPushMatrix();
+  
+  // clears the color buffer (this will set the window to black)
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  // Draw Desktop Widgets
+  for (int i=0; i < KomposeTaskManager::instance()->getNumDesktops(); ++i)
+  {
+    // FIXME: Make desktop arrays dynamic or at least avoid KomposeTaskManager::instance()->getNumDesktops() here
+    desktop[i]->draw();
+  }
+
+  glFlush();
+  glPopMatrix();
+}
+
+
+void KomposeGLFullscreenWidget::setOrthographicProjection()
+{
+  qDebug("KomposeGLFullscreenWidget::setOrthographicProjection() - %dx%d", width(), height());
+  glViewport( 0, 0, (GLint)width(), (GLint)height()  );
+  // switch to projection mode
+  glMatrixMode(GL_PROJECTION);
+  // reset matrix
+  glLoadIdentity();
+  // set a 2D orthographic projection
+  gluOrtho2D(0.0, (GLdouble)width(), 0.0, (GLdouble)height());
+  // invert the y axis, down is positive
+  glScalef(1, -1, 1);
+  // mover the origin from the bottom left corner
+  // to the upper left corner
+  glTranslatef(0, -height(), 0);
+  glMatrixMode(GL_MODELVIEW);;
+}
+
+// Redirect these functions to QGLWidget
+
+void KomposeGLFullscreenWidget::setGeom ( const QRect &rect )
+{
+  QGLWidget::setGeometry( rect );
+}
+
+void KomposeGLFullscreenWidget::setGeom ( const QSize &size )
+{
+  QGLWidget::resize( size );
+}
+
+QSize KomposeGLFullscreenWidget::getSize() const
+{
+  return QGLWidget::size();
+}
+
+QRect KomposeGLFullscreenWidget::getRect() const
+{
+  return QGLWidget::rect();
+}
+
+void KomposeGLFullscreenWidget::removeChildWidget( KomposeWidgetInterface* obj )
+{
+  QGLWidget::removeChild((QObject *) obj);
+}
+
+#include "komposeglfullscreenwidget.moc"