git.sesse.net Git - kdenlive/blob - src/titlewidget.cpp

   1 /***************************************************************************
   2                           titlewidget.h  -  description
   3                              -------------------
   4     begin                : Feb 28 2008
   5     copyright            : (C) 2008 by Marco Gittler
   6     email                : g.marco@freenet.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "titlewidget.h"
  19 #include "graphicsscenerectmove.h"
  20 #include <QGraphicsView>
  21 #include <KDebug>
  22 #include <QGraphicsItem>
  23 int settingUp=false;
  24
  25 TitleWidget::TitleWidget (QDialog *parent):QDialog(parent){
  26         setupUi(this);
  27         connect (newTextButton,SIGNAL(clicked()), this, SLOT( slotNewText()));
  28         connect (newRectButton,SIGNAL(clicked()), this, SLOT( slotNewRect()));
  29         connect (kcolorbutton, SIGNAL ( clicked()), this, SLOT( slotChangeBackground()) ) ;
  30         connect (horizontalSlider, SIGNAL ( valueChanged(int) ), this, SLOT( slotChangeBackground()) ) ;
  31         connect (ktextedit, SIGNAL(textChanged()), this , SLOT (textChanged()));
  32         connect (fontColorButton, SIGNAL ( clicked()), this, SLOT( textChanged()) ) ;
  33         //connect (fontBold, SIGNAL ( clicked()), this, SLOT( setBold()) ) ;
  34
  35         connect (kfontrequester, SIGNAL ( fontSelected(const QFont &)), this, SLOT( textChanged()) ) ;
  36         connect(textAlpha, SIGNAL( valueChanged(int) ), this, SLOT (textChanged()));
  37         //connect (ktextedit, SIGNAL(selectionChanged()), this , SLOT (textChanged()));
  38
  39         connect(rectFAlpha, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  40         connect(rectBAlpha, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  41         connect(rectFColor, SIGNAL( clicked() ), this, SLOT (rectChanged()));
  42         connect(rectBColor, SIGNAL( clicked() ), this, SLOT (rectChanged()));
  43         connect(rectLineWidth, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  44
  45         connect (startViewportX,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  46         connect (startViewportY,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  47         connect (startViewportSize,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  48         connect (endViewportX,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  49         connect (endViewportY,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  50         connect (endViewportSize,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  51
  52         GraphicsSceneRectMove *scene=new GraphicsSceneRectMove(this);
  53
  54
  55
  56  // a gradient background
  57         QRadialGradient *gradient=new QRadialGradient(0, 0, 10);
  58         gradient->setSpread(QGradient::RepeatSpread);
  59         //scene->setBackgroundBrush(*gradient);
  60
  61         graphicsView->setScene(scene);
  62         connect (graphicsView->scene(), SIGNAL (selectionChanged()), this , SLOT( selectionChanged()));
  63         initViewports();
  64
  65         graphicsView->show();
  66         graphicsView->setRenderHint(QPainter::Antialiasing);
  67         graphicsView->setInteractive(true);
  68         graphicsView->resize(400, 300);
  69         //update();
  70 }
  71
  72 void TitleWidget::initViewports(){
  73         startViewport=new QGraphicsPolygonItem(QPolygonF(QRectF(0,0,0,0)));
  74         endViewport=new QGraphicsPolygonItem(QPolygonF(QRectF(0,0,0,0)));
  75
  76         QPen startpen(Qt::DotLine);
  77         QPen endpen(Qt::DashDotLine);
  78         startpen.setColor(QColor(100,200,100,140));
  79         endpen.setColor(QColor(200,100,100,140));
  80
  81         startViewport->setPen(startpen);
  82         endViewport->setPen(endpen);
  83
  84         startViewportSize->setValue(40);
  85         endViewportSize->setValue(40);
  86
  87         graphicsView->scene()->addItem(startViewport);
  88         graphicsView->scene()->addItem(endViewport);
  89 }
  90
  91 void TitleWidget::slotNewRect(){
  92
  93         QGraphicsRectItem * ri=graphicsView->scene()->addRect(-50,-50,100,100);
  94         ri->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);
  95 }
  96
  97 void TitleWidget::slotNewText(){
  98         QGraphicsTextItem *tt=graphicsView->scene()->addText("Text here");
  99         tt->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);
 100         tt->setTextInteractionFlags (Qt::TextEditorInteraction);
 101         connect (tt->document(), SIGNAL (contentsChanged()), this, SLOT(selectionChanged()));
 102         kDebug() << tt->metaObject()->className();
 103         /*QGraphicsRectItem * ri=graphicsView->scene()->addRect(-50,-50,100,100);
 104         ri->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);*/
 105
 106 }
 107
 108 void TitleWidget::selectionChanged(){
 109         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 110         if (l.size()==1){
 111                 kDebug() << (l[0])->type();
 112                 if ((l[0])->type()==8  ){
 113                         QGraphicsTextItem* i=((QGraphicsTextItem*)l[0]);
 114                         if (l[0]->hasFocus() )
 115                         ktextedit->setHtml(i->toHtml());
 116                         toolBox->setCurrentIndex(1);
 117                 }else
 118                 if ((l[0])->type()==3){
 119                         settingUp=true;
 120                         QGraphicsRectItem *rec=((QGraphicsRectItem*)l[0]);
 121                         toolBox->setCurrentIndex(2);
 122                         rectFAlpha->setValue(rec->pen().color().alpha());
 123                         rectBAlpha->setValue(rec->brush().isOpaque() ? rec->brush().color().alpha() : 0);
 124                         kDebug() << rec->brush().color().alpha();
 125                         QColor fcol=rec->pen().color();
 126                         QColor bcol=rec->brush().color();
 127                         //fcol.setAlpha(255);
 128                         //bcol.setAlpha(255);
 129                         rectFColor->setColor(fcol);
 130                         rectBColor->setColor(bcol);
 131                         settingUp=false;
 132                         rectLineWidth->setValue(rec->pen().width());
 133                 }
 134                 else{
 135                         //toolBox->setCurrentIndex(0);
 136                 }
 137         }
 138 }
 139
 140 void TitleWidget::slotChangeBackground(){
 141         QColor color=kcolorbutton->color();
 142         color.setAlpha(horizontalSlider->value());
 143         graphicsView->scene()->setBackgroundBrush(QBrush(color));
 144 }
 145
 146 void TitleWidget::textChanged(){
 147         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 148         if (l.size()==1 && (l[0])->type()==8 && !l[0]->hasFocus()){
 149                 kDebug() << ktextedit->document()->toHtml();
 150                 ((QGraphicsTextItem*)l[0])->setHtml(ktextedit->toHtml());
 151         }
 152 }
 153
 154 void TitleWidget::rectChanged(){
 155         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 156         if (l.size()==1 && (l[0])->type()==3 && !settingUp){
 157                 QGraphicsRectItem *rec=(QGraphicsRectItem*)l[0];
 158                 QColor f=rectFColor->color();
 159                 f.setAlpha(rectFAlpha->value());
 160                 QPen penf(f);
 161                 penf.setWidth(rectLineWidth->value());
 162                 rec->setPen(penf);
 163                 QColor b=rectBColor->color();
 164                 b.setAlpha(rectBAlpha->value());
 165                 rec->setBrush(QBrush(b));
 166         }
 167 }
 168
 169 void TitleWidget::fontBold(){
 170         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 171         if (l.size()==1 && (l[0])->type()==8 && !l[0]->hasFocus()){
 172                 //ktextedit->document()->setTextOption();
 173         }
 174 }
 175
 176 void TitleWidget::setupViewports(){
 177         double aspect_ratio=4.0/3.0;//read from project
 178
 179         QRectF sp(startViewportX->value(), startViewportY->value(),0,0);
 180         QRectF ep(endViewportX->value(),endViewportY->value(),0,0);
 181
 182         double sv_size=startViewportSize->value();
 183         double ev_size=endViewportSize->value();
 184         sp.adjust(-sv_size,-sv_size/aspect_ratio,sv_size,sv_size/aspect_ratio);
 185         ep.adjust(-ev_size,-ev_size/aspect_ratio,ev_size,ev_size/aspect_ratio);
 186
 187         startViewport->setPolygon(QPolygonF(sp));
 188         endViewport->setPolygon(QPolygonF(ep));
 189
 190
 191
 192
 193 }
 194 #include "moc_titlewidget.cpp"
 195