Created skeletal rich print preview widget.
This commit is contained in:
Jim Evins
@@ -35,6 +35,7 @@ set (glabels_sources
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ObjectEditor.cpp
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Outline.cpp
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PrintView.cpp
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Preview.cpp
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TemplatePicker.cpp
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TemplatePickerItem.cpp
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TextNode.cpp
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@@ -64,6 +65,7 @@ set (glabels_qobject_headers
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NewLabelDialog.h
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ObjectEditor.h
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PrintView.h
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Preview.h
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SimplePreview.h
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TemplatePicker.h
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View.h
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@@ -69,12 +69,13 @@ namespace glabels
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QWidget* mergePage = createMergePage();
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QWidget* printPage = createPrintPage();
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QTabWidget* notebook = new QTabWidget();
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notebook->addTab( editorPage, "Editor" );
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notebook->addTab( mergePage, "Merge" );
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notebook->addTab( printPage, "Print" );
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mNotebook = new QTabWidget();
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mNotebook->addTab( editorPage, "Editor" );
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mNotebook->addTab( mergePage, "Merge" );
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mNotebook->addTab( printPage, "Print" );
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mNotebook->setEnabled( false );
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setCentralWidget( notebook );
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setCentralWidget( mNotebook );
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setDocVerbsEnabled( false );
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setPasteVerbsEnabled( false );
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@@ -114,6 +115,7 @@ namespace glabels
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mObjectEditor->setModel( mModel );
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mPrintView->setModel( mModel );
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mNotebook->setEnabled( true );
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setDocVerbsEnabled( true );
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setSelectionVerbsEnabled( false );
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setMultiSelectionVerbsEnabled( false );
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@@ -189,6 +189,7 @@ namespace glabels
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QToolBar* fileToolBar;
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QToolBar* editorToolBar;
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QTabWidget* mNotebook;
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LabelModel* mModel;
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View* mView;
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ObjectEditor* mObjectEditor;
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@@ -0,0 +1,175 @@
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/* Preview.cpp
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*
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* Copyright (C) 2013 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Preview.h"
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#include "LabelModel.h"
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#include <QGraphicsRectItem>
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#include <QGraphicsDropShadowEffect>
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#include <QtDebug>
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//
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// Private Configuration Data
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//
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namespace
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{
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const QColor paperColor( 255, 255, 255 );
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const QColor paperOutlineColor( 0, 0, 0 );
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const double paperOutlineWidthPixels = 1;
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const QColor shadowColor( 64, 64, 64 );
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const double shadowOffsetPixels = 3;
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const double shadowRadiusPixels = 12;
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const QColor labelColor( 255, 255, 255 );
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const QColor labelOutlineColor( 215, 215, 215 );
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const double labelOutlineWidthPixels = 1;
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}
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namespace glabels
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{
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///
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/// Constructor
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///
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Preview::Preview( QWidget *parent )
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: mModel(0), QGraphicsView(parent)
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{
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mScene = new QGraphicsScene();
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setScene( mScene );
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setAttribute(Qt::WA_TranslucentBackground);
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viewport()->setAutoFillBackground(false);
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setFrameStyle( QFrame::NoFrame );
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setRenderHints( QPainter::Antialiasing );
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}
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///
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/// Set model
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///
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void Preview::setModel( const LabelModel* model )
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{
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mModel = model;
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clearScene();
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if ( mModel != NULL )
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{
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// Set scene up with a 5% margin around paper
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double x = -0.05 * mModel->tmplate()->pageWidth();
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double y = -0.05 * mModel->tmplate()->pageHeight();
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double w = 1.10 * mModel->tmplate()->pageWidth();
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double h = 1.10 * mModel->tmplate()->pageHeight();
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mScene->setSceneRect( x, y, w, h );
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fitInView( mScene->sceneRect(), Qt::KeepAspectRatio );
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drawPaper( mModel->tmplate()->pageWidth(), mModel->tmplate()->pageHeight() );
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drawLabels();
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}
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}
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///
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/// Resize Event Handler
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///
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void Preview::resizeEvent( QResizeEvent* event )
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{
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fitInView( mScene->sceneRect(), Qt::KeepAspectRatio );
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}
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///
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/// Clear View
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///
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void Preview::clearScene()
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{
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foreach ( QGraphicsItem *item, mScene->items() )
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{
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mScene->removeItem( item );
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delete item;
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}
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}
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///
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/// Draw Paper
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///
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void Preview::drawPaper( double pw, double ph )
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{
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QGraphicsDropShadowEffect *shadowEffect = new QGraphicsDropShadowEffect();
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shadowEffect->setColor( shadowColor );
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shadowEffect->setOffset( shadowOffsetPixels );
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shadowEffect->setBlurRadius( shadowRadiusPixels );
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QBrush brush( paperColor );
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QPen pen( paperOutlineColor );
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pen.setCosmetic( true );
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pen.setWidthF( paperOutlineWidthPixels );
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QGraphicsRectItem *pageItem = new QGraphicsRectItem( 0, 0, pw, ph );
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pageItem->setBrush( brush );
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pageItem->setPen( pen );
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pageItem->setGraphicsEffect( shadowEffect );
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mScene->addItem( pageItem );
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}
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///
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/// Draw Labels on Paper
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///
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void Preview::drawLabels()
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{
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libglabels::Frame *frame = mModel->tmplate()->frames().first();
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foreach (libglabels::Point origin, frame->getOrigins() )
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{
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drawLabel( origin.x(), origin.y(), frame->path() );
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}
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}
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///
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/// Draw a Single Label at x,y
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///
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void Preview::drawLabel( double x, double y, const QPainterPath &path )
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{
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QBrush brush( labelColor );
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QPen pen( labelOutlineColor );
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pen.setStyle( Qt::DotLine );
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pen.setCosmetic( true );
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pen.setWidthF( labelOutlineWidthPixels );
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QGraphicsPathItem *labelItem = new QGraphicsPathItem( path );
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labelItem->setBrush( brush );
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labelItem->setPen( pen );
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labelItem->setPos( x, y );
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mScene->addItem( labelItem );
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}
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}
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@@ -0,0 +1,85 @@
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/* Preview.h
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*
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* Copyright (C) 2013 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef glabels_Preview_h
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#define glabels_Preview_h
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#include <QGraphicsView>
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#include <QGraphicsScene>
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#include <QList>
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namespace glabels
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{
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class LabelModel; // Forward reference
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///
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/// Preview Widget
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///
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class Preview : public QGraphicsView
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{
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Q_OBJECT
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/////////////////////////////////
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// Life Cycle
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/////////////////////////////////
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public:
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Preview( QWidget *parent = 0 );
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/////////////////////////////////
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// Properties
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/////////////////////////////////
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public:
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void setModel( const LabelModel* model );
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/////////////////////////////////////
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// Event handlers
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/////////////////////////////////////
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protected:
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void resizeEvent( QResizeEvent* event );
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/////////////////////////////////
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// Internal Methods
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/////////////////////////////////
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private:
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void clearScene();
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void drawPaper( double pw, double ph );
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void drawLabels();
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void drawLabel( double x, double y, const QPainterPath &path );
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/////////////////////////////////
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// Private Data
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/////////////////////////////////
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private:
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const LabelModel* mModel;
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QGraphicsScene* mScene;
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};
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}
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#endif // glabels_Preview_h
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@@ -56,7 +56,7 @@ namespace glabels
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///
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void PrintView::onLabelSizeChanged()
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{
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preview->setTemplate( mModel->tmplate() );
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preview->setModel( mModel );
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}
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@@ -57,7 +57,7 @@ namespace glabels
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///
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/// Constructor
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///
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SimplePreview::SimplePreview( QWidget *parent = 0 )
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SimplePreview::SimplePreview( QWidget *parent )
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: mTmplate(NULL), mRotateFlag(false), QGraphicsView(parent)
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{
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mScene = new QGraphicsScene();
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@@ -44,7 +44,7 @@ namespace glabels
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// Life Cycle
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/////////////////////////////////
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public:
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SimplePreview( QWidget *parent );
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SimplePreview( QWidget *parent = 0 );
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/////////////////////////////////
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@@ -26,7 +26,7 @@
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<enum>QLayout::SetDefaultConstraint</enum>
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</property>
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<item>
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<widget class="glabels::SimplePreview" name="preview" native="true">
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<widget class="glabels::Preview" name="preview" native="true">
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<property name="sizePolicy">
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<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
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<horstretch>0</horstretch>
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@@ -43,6 +43,9 @@
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</item>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout_6">
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<property name="bottomMargin">
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<number>16</number>
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</property>
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<item>
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<spacer name="horizontalSpacer_8">
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<property name="orientation">
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@@ -456,9 +459,9 @@
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</widget>
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<customwidgets>
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<customwidget>
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<class>glabels::SimplePreview</class>
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<class>glabels::Preview</class>
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<extends>QWidget</extends>
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<header>SimplePreview.h</header>
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<header>Preview.h</header>
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<container>1</container>
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</customwidget>
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</customwidgets>
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