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qgscomposer.cpp
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qgscomposer.cpp
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/***************************************************************************
qgscomposer.cpp - description
-------------------
begin : January 2005
copyright : (C) 2005 by Radim Blazek
email : blazek@itc.it
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgscomposer.h"
#include <stdexcept>
#include "qgisapp.h"
#include "qgsapplication.h"
#include "qgsbusyindicatordialog.h"
#include "qgscomposerruler.h"
#include "qgscomposerview.h"
#include "qgscomposition.h"
#include "qgscompositionwidget.h"
#include "qgscomposermodel.h"
#include "qgsatlascompositionwidget.h"
#include "qgscomposerarrow.h"
#include "qgscomposerpolygon.h"
#include "qgscomposerpolyline.h"
#include "qgscomposerpolygonwidget.h"
#include "qgscomposerpolylinewidget.h"
#include "qgscomposerarrowwidget.h"
#include "qgscomposerattributetablewidget.h"
#include "qgscomposerframe.h"
#include "qgscomposerhtml.h"
#include "qgscomposerhtmlwidget.h"
#include "qgscomposerlabel.h"
#include "qgscomposerlabelwidget.h"
#include "qgscomposerlegend.h"
#include "qgscomposerlegendwidget.h"
#include "qgscomposermap.h"
#include "qgsatlascomposition.h"
#include "qgscomposermapwidget.h"
#include "qgscomposerpicture.h"
#include "qgscomposerpicturewidget.h"
#include "qgscomposerscalebar.h"
#include "qgscomposerscalebarwidget.h"
#include "qgscomposershape.h"
#include "qgscomposershapewidget.h"
#include "qgscomposerattributetable.h"
#include "qgscomposerattributetablev2.h"
#include "qgscomposertablewidget.h"
#include "qgsexception.h"
#include "qgslogger.h"
#include "qgsproject.h"
#include "qgsmapcanvas.h"
#include "qgsmessageviewer.h"
#include "qgscontexthelp.h"
#include "qgscursors.h"
#include "qgsmaplayeractionregistry.h"
#include "qgsgeometry.h"
#include "qgspaperitem.h"
#include "qgsmaplayerregistry.h"
#include "qgsprevieweffect.h"
#include "qgscomposerimageexportoptionsdialog.h"
#include "ui_qgssvgexportoptions.h"
#include <QCloseEvent>
#include <QCheckBox>
#include <QDesktopWidget>
#include <QDialog>
#include <QFileDialog>
#include <QFileInfo>
#include <QIcon>
#include <QImageWriter>
#include <QLabel>
#include <QMatrix>
#include <QMenuBar>
#include <QMessageBox>
#include <QPageSetupDialog>
#include <QPainter>
#include <QPixmap>
#include <QPrintDialog>
#include <QPrinter>
#include <QSettings>
#include <QSizeGrip>
#include <QSvgGenerator>
#include <QTimer>
#include <QToolBar>
#include <QToolButton>
#include <QUndoView>
#include <QPaintEngine>
#include <QProgressBar>
#include <QProgressDialog>
#include <QShortcut>
#ifdef ENABLE_MODELTEST
#include "modeltest.h"
#endif
// sort function for QList<QAction*>, e.g. menu listings
static bool cmpByText_( QAction* a, QAction* b )
{
return QString::localeAwareCompare( a->text(), b->text() ) < 0;
}
QgsComposer::QgsComposer( QgisApp *qgis, const QString& title )
: QMainWindow()
, mTitle( title )
, mQgis( qgis )
, mPrinter( nullptr )
, mSetPageOrientation( false )
, mUndoView( nullptr )
, mAtlasFeatureAction( nullptr )
{
setupUi( this );
setWindowTitle( mTitle );
setupTheme();
QSettings settings;
setStyleSheet( mQgis->styleSheet() );
int size = settings.value( "/IconSize", QGIS_ICON_SIZE ).toInt();
setIconSize( QSize( size, size ) );
QToolButton* orderingToolButton = new QToolButton( this );
orderingToolButton->setPopupMode( QToolButton::InstantPopup );
orderingToolButton->setAutoRaise( true );
orderingToolButton->setToolButtonStyle( Qt::ToolButtonIconOnly );
orderingToolButton->addAction( mActionRaiseItems );
orderingToolButton->addAction( mActionLowerItems );
orderingToolButton->addAction( mActionMoveItemsToTop );
orderingToolButton->addAction( mActionMoveItemsToBottom );
orderingToolButton->setDefaultAction( mActionRaiseItems );
mItemActionToolbar->addWidget( orderingToolButton );
QToolButton* alignToolButton = new QToolButton( this );
alignToolButton->setPopupMode( QToolButton::InstantPopup );
alignToolButton->setAutoRaise( true );
alignToolButton->setToolButtonStyle( Qt::ToolButtonIconOnly );
alignToolButton->addAction( mActionAlignLeft );
alignToolButton->addAction( mActionAlignHCenter );
alignToolButton->addAction( mActionAlignRight );
alignToolButton->addAction( mActionAlignTop );
alignToolButton->addAction( mActionAlignVCenter );
alignToolButton->addAction( mActionAlignBottom );
alignToolButton->setDefaultAction( mActionAlignLeft );
mItemActionToolbar->addWidget( alignToolButton );
QToolButton* shapeToolButton = new QToolButton( mItemToolbar );
shapeToolButton->setIcon( QgsApplication::getThemeIcon( "/mActionAddBasicShape.svg" ) );
shapeToolButton->setCheckable( true );
shapeToolButton->setPopupMode( QToolButton::InstantPopup );
shapeToolButton->setAutoRaise( true );
shapeToolButton->setToolButtonStyle( Qt::ToolButtonIconOnly );
shapeToolButton->addAction( mActionAddRectangle );
shapeToolButton->addAction( mActionAddTriangle );
shapeToolButton->addAction( mActionAddEllipse );
shapeToolButton->setToolTip( tr( "Add Shape" ) );
mItemToolbar->insertWidget( mActionAddArrow, shapeToolButton );
QToolButton* nodesItemButton = new QToolButton( mItemToolbar );
nodesItemButton->setIcon( QgsApplication::getThemeIcon( "/mActionAddNodesItem.svg" ) );
nodesItemButton->setCheckable( true );
nodesItemButton->setPopupMode( QToolButton::InstantPopup );
nodesItemButton->setAutoRaise( true );
nodesItemButton->setToolButtonStyle( Qt::ToolButtonIconOnly );
nodesItemButton->addAction( mActionAddPolygon );
nodesItemButton->addAction( mActionAddPolyline );
nodesItemButton->setToolTip( tr( "Add Nodes item" ) );
mItemToolbar->insertWidget( mActionAddArrow, nodesItemButton );
QActionGroup* toggleActionGroup = new QActionGroup( this );
toggleActionGroup->addAction( mActionMoveItemContent );
toggleActionGroup->addAction( mActionEditNodesItem );
toggleActionGroup->addAction( mActionPan );
toggleActionGroup->addAction( mActionMouseZoom );
toggleActionGroup->addAction( mActionAddNewMap );
toggleActionGroup->addAction( mActionAddNewLabel );
toggleActionGroup->addAction( mActionAddNewLegend );
toggleActionGroup->addAction( mActionAddNewScalebar );
toggleActionGroup->addAction( mActionAddImage );
toggleActionGroup->addAction( mActionSelectMoveItem );
toggleActionGroup->addAction( mActionAddRectangle );
toggleActionGroup->addAction( mActionAddTriangle );
toggleActionGroup->addAction( mActionAddEllipse );
toggleActionGroup->addAction( mActionAddPolygon );
toggleActionGroup->addAction( mActionAddPolyline );
toggleActionGroup->addAction( mActionAddArrow );
//toggleActionGroup->addAction( mActionAddTable );
toggleActionGroup->addAction( mActionAddAttributeTable );
toggleActionGroup->addAction( mActionAddHtml );
toggleActionGroup->setExclusive( true );
mActionAddNewMap->setCheckable( true );
mActionAddNewLabel->setCheckable( true );
mActionAddNewLegend->setCheckable( true );
mActionSelectMoveItem->setCheckable( true );
mActionAddNewScalebar->setCheckable( true );
mActionAddImage->setCheckable( true );
mActionMoveItemContent->setCheckable( true );
mActionEditNodesItem->setCheckable( true );
mActionPan->setCheckable( true );
mActionMouseZoom->setCheckable( true );
mActionAddArrow->setCheckable( true );
mActionAddHtml->setCheckable( true );
mActionShowGrid->setCheckable( true );
mActionSnapGrid->setCheckable( true );
mActionShowGuides->setCheckable( true );
mActionSnapGuides->setCheckable( true );
mActionSmartGuides->setCheckable( true );
mActionShowRulers->setCheckable( true );
mActionShowBoxes->setCheckable( true );
mActionAtlasPreview->setCheckable( true );
#ifdef Q_OS_MAC
mActionQuit->setText( tr( "Close" ) );
mActionQuit->setShortcut( QKeySequence::Close );
QMenu *appMenu = menuBar()->addMenu( tr( "QGIS" ) );
appMenu->addAction( mQgis->actionAbout() );
appMenu->addAction( mQgis->actionOptions() );
#endif
QMenu *composerMenu = menuBar()->addMenu( tr( "&Composer" ) );
composerMenu->addAction( mActionSaveProject );
composerMenu->addSeparator();
composerMenu->addAction( mActionNewComposer );
composerMenu->addAction( mActionDuplicateComposer );
composerMenu->addAction( mActionComposerManager );
mPrintComposersMenu = new QMenu( tr( "Print &Composers" ), this );
mPrintComposersMenu->setObjectName( "mPrintComposersMenu" );
connect( mPrintComposersMenu, SIGNAL( aboutToShow() ), this, SLOT( populatePrintComposersMenu() ) );
composerMenu->addMenu( mPrintComposersMenu );
composerMenu->addSeparator();
composerMenu->addAction( mActionLoadFromTemplate );
composerMenu->addAction( mActionSaveAsTemplate );
composerMenu->addSeparator();
composerMenu->addAction( mActionExportAsImage );
composerMenu->addAction( mActionExportAsPDF );
composerMenu->addAction( mActionExportAsSVG );
composerMenu->addSeparator();
composerMenu->addAction( mActionPageSetup );
composerMenu->addAction( mActionPrint );
composerMenu->addSeparator();
composerMenu->addAction( mActionQuit );
connect( mActionQuit, SIGNAL( triggered() ), this, SLOT( close() ) );
//cut/copy/paste actions. Note these are not included in the ui file
//as ui files have no support for QKeySequence shortcuts
mActionCut = new QAction( tr( "Cu&t" ), this );
mActionCut->setShortcuts( QKeySequence::Cut );
mActionCut->setStatusTip( tr( "Cut" ) );
mActionCut->setIcon( QgsApplication::getThemeIcon( "/mActionEditCut.png" ) );
connect( mActionCut, SIGNAL( triggered() ), this, SLOT( actionCutTriggered() ) );
mActionCopy = new QAction( tr( "&Copy" ), this );
mActionCopy->setShortcuts( QKeySequence::Copy );
mActionCopy->setStatusTip( tr( "Copy" ) );
mActionCopy->setIcon( QgsApplication::getThemeIcon( "/mActionEditCopy.png" ) );
connect( mActionCopy, SIGNAL( triggered() ), this, SLOT( actionCopyTriggered() ) );
mActionPaste = new QAction( tr( "&Paste" ), this );
mActionPaste->setShortcuts( QKeySequence::Paste );
mActionPaste->setStatusTip( tr( "Paste" ) );
mActionPaste->setIcon( QgsApplication::getThemeIcon( "/mActionEditPaste.png" ) );
connect( mActionPaste, SIGNAL( triggered() ), this, SLOT( actionPasteTriggered() ) );
QMenu *editMenu = menuBar()->addMenu( tr( "&Edit" ) );
editMenu->addAction( mActionUndo );
editMenu->addAction( mActionRedo );
editMenu->addSeparator();
//Backspace should also trigger delete selection
QShortcut* backSpace = new QShortcut( QKeySequence( "Backspace" ), this );
connect( backSpace, SIGNAL( activated() ), mActionDeleteSelection, SLOT( trigger() ) );
editMenu->addAction( mActionDeleteSelection );
editMenu->addSeparator();
editMenu->addAction( mActionCut );
editMenu->addAction( mActionCopy );
editMenu->addAction( mActionPaste );
//TODO : "Ctrl+Shift+V" is one way to paste in place, but on some platforms you can use Shift+Ins and F18
editMenu->addAction( mActionPasteInPlace );
editMenu->addSeparator();
editMenu->addAction( mActionSelectAll );
editMenu->addAction( mActionDeselectAll );
editMenu->addAction( mActionInvertSelection );
editMenu->addAction( mActionSelectNextBelow );
editMenu->addAction( mActionSelectNextAbove );
mActionPreviewModeOff = new QAction( tr( "&Normal" ), this );
mActionPreviewModeOff->setStatusTip( tr( "Normal" ) );
mActionPreviewModeOff->setCheckable( true );
mActionPreviewModeOff->setChecked( true );
connect( mActionPreviewModeOff, SIGNAL( triggered() ), this, SLOT( disablePreviewMode() ) );
mActionPreviewModeGrayscale = new QAction( tr( "Simulate Photocopy (&Grayscale)" ), this );
mActionPreviewModeGrayscale->setStatusTip( tr( "Simulate photocopy (grayscale)" ) );
mActionPreviewModeGrayscale->setCheckable( true );
connect( mActionPreviewModeGrayscale, SIGNAL( triggered() ), this, SLOT( activateGrayscalePreview() ) );
mActionPreviewModeMono = new QAction( tr( "Simulate Fax (&Mono)" ), this );
mActionPreviewModeMono->setStatusTip( tr( "Simulate fax (mono)" ) );
mActionPreviewModeMono->setCheckable( true );
connect( mActionPreviewModeMono, SIGNAL( triggered() ), this, SLOT( activateMonoPreview() ) );
mActionPreviewProtanope = new QAction( tr( "Simulate Color Blindness (&Protanope)" ), this );
mActionPreviewProtanope->setStatusTip( tr( "Simulate color blindness (Protanope)" ) );
mActionPreviewProtanope->setCheckable( true );
connect( mActionPreviewProtanope, SIGNAL( triggered() ), this, SLOT( activateProtanopePreview() ) );
mActionPreviewDeuteranope = new QAction( tr( "Simulate Color Blindness (&Deuteranope)" ), this );
mActionPreviewDeuteranope->setStatusTip( tr( "Simulate color blindness (Deuteranope)" ) );
mActionPreviewDeuteranope->setCheckable( true );
connect( mActionPreviewDeuteranope, SIGNAL( triggered() ), this, SLOT( activateDeuteranopePreview() ) );
QActionGroup* mPreviewGroup = new QActionGroup( this );
mPreviewGroup->setExclusive( true );
mActionPreviewModeOff->setActionGroup( mPreviewGroup );
mActionPreviewModeGrayscale->setActionGroup( mPreviewGroup );
mActionPreviewModeMono->setActionGroup( mPreviewGroup );
mActionPreviewProtanope->setActionGroup( mPreviewGroup );
mActionPreviewDeuteranope->setActionGroup( mPreviewGroup );
QMenu *viewMenu = menuBar()->addMenu( tr( "&View" ) );
//Ctrl+= should also trigger zoom in
QShortcut* ctrlEquals = new QShortcut( QKeySequence( "Ctrl+=" ), this );
connect( ctrlEquals, SIGNAL( activated() ), mActionZoomIn, SLOT( trigger() ) );
#ifndef Q_OS_MAC
//disabled for OSX - see #10761
//also see http://qt-project.org/forums/viewthread/3630 QGraphicsEffects are not well supported on OSX
QMenu *previewMenu = viewMenu->addMenu( "&Preview" );
previewMenu->addAction( mActionPreviewModeOff );
previewMenu->addAction( mActionPreviewModeGrayscale );
previewMenu->addAction( mActionPreviewModeMono );
previewMenu->addAction( mActionPreviewProtanope );
previewMenu->addAction( mActionPreviewDeuteranope );
#endif
viewMenu->addSeparator();
viewMenu->addAction( mActionZoomIn );
viewMenu->addAction( mActionZoomOut );
viewMenu->addAction( mActionZoomAll );
viewMenu->addAction( mActionZoomActual );
viewMenu->addSeparator();
viewMenu->addAction( mActionRefreshView );
viewMenu->addSeparator();
viewMenu->addAction( mActionShowGrid );
viewMenu->addAction( mActionSnapGrid );
viewMenu->addSeparator();
viewMenu->addAction( mActionShowGuides );
viewMenu->addAction( mActionSnapGuides );
viewMenu->addAction( mActionSmartGuides );
viewMenu->addAction( mActionClearGuides );
viewMenu->addSeparator();
viewMenu->addAction( mActionShowBoxes );
viewMenu->addAction( mActionShowRulers );
viewMenu->addAction( mActionShowPage );
// Panel and toolbar submenus
mPanelMenu = new QMenu( tr( "P&anels" ), this );
mPanelMenu->setObjectName( "mPanelMenu" );
mToolbarMenu = new QMenu( tr( "&Toolbars" ), this );
mToolbarMenu->setObjectName( "mToolbarMenu" );
viewMenu->addSeparator();
viewMenu->addAction( mActionToggleFullScreen );
viewMenu->addAction( mActionHidePanels );
viewMenu->addMenu( mPanelMenu );
viewMenu->addMenu( mToolbarMenu );
// toolBar already exists, add other widgets as they are created
mToolbarMenu->addAction( mComposerToolbar->toggleViewAction() );
mToolbarMenu->addAction( mPaperNavToolbar->toggleViewAction() );
mToolbarMenu->addAction( mItemActionToolbar->toggleViewAction() );
mToolbarMenu->addAction( mItemToolbar->toggleViewAction() );
QMenu *layoutMenu = menuBar()->addMenu( tr( "&Layout" ) );
layoutMenu->addAction( mActionAddNewMap );
layoutMenu->addAction( mActionAddNewLabel );
layoutMenu->addAction( mActionAddNewScalebar );
layoutMenu->addAction( mActionAddNewLegend );
layoutMenu->addAction( mActionAddImage );
QMenu *shapeMenu = layoutMenu->addMenu( "Add Shape" );
shapeMenu->setIcon( QgsApplication::getThemeIcon( "/mActionAddBasicShape.png" ) );
shapeMenu->addAction( mActionAddRectangle );
shapeMenu->addAction( mActionAddTriangle );
shapeMenu->addAction( mActionAddEllipse );
QMenu *nodesItemMenu = layoutMenu->addMenu( "Add Nodes Item" );
nodesItemMenu->setIcon( QgsApplication::getThemeIcon( "/mActionAddNodesItem.svg" ) );
nodesItemMenu->addAction( mActionAddPolygon );
nodesItemMenu->addAction( mActionAddPolyline );
layoutMenu->addAction( mActionAddArrow );
//layoutMenu->addAction( mActionAddTable );
layoutMenu->addAction( mActionAddAttributeTable );
layoutMenu->addAction( mActionAddHtml );
layoutMenu->addSeparator();
layoutMenu->addAction( mActionSelectMoveItem );
layoutMenu->addAction( mActionMoveItemContent );
layoutMenu->addAction( mActionEditNodesItem );
layoutMenu->addSeparator();
layoutMenu->addAction( mActionGroupItems );
layoutMenu->addAction( mActionUngroupItems );
layoutMenu->addSeparator();
layoutMenu->addAction( mActionRaiseItems );
layoutMenu->addAction( mActionLowerItems );
layoutMenu->addAction( mActionMoveItemsToTop );
layoutMenu->addAction( mActionMoveItemsToBottom );
layoutMenu->addAction( mActionLockItems );
layoutMenu->addAction( mActionUnlockAll );
QMenu *atlasMenu = menuBar()->addMenu( tr( "&Atlas" ) );
atlasMenu->addAction( mActionAtlasPreview );
atlasMenu->addAction( mActionAtlasFirst );
atlasMenu->addAction( mActionAtlasPrev );
atlasMenu->addAction( mActionAtlasNext );
atlasMenu->addAction( mActionAtlasLast );
atlasMenu->addSeparator();
atlasMenu->addAction( mActionPrintAtlas );
atlasMenu->addAction( mActionExportAtlasAsImage );
atlasMenu->addAction( mActionExportAtlasAsSVG );
atlasMenu->addAction( mActionExportAtlasAsPDF );
atlasMenu->addSeparator();
atlasMenu->addAction( mActionAtlasSettings );
QToolButton* atlasExportToolButton = new QToolButton( mAtlasToolbar );
atlasExportToolButton->setPopupMode( QToolButton::InstantPopup );
atlasExportToolButton->setAutoRaise( true );
atlasExportToolButton->setToolButtonStyle( Qt::ToolButtonIconOnly );
atlasExportToolButton->addAction( mActionExportAtlasAsImage );
atlasExportToolButton->addAction( mActionExportAtlasAsSVG );
atlasExportToolButton->addAction( mActionExportAtlasAsPDF );
atlasExportToolButton->setDefaultAction( mActionExportAtlasAsImage );
mAtlasToolbar->insertWidget( mActionAtlasSettings, atlasExportToolButton );
mAtlasPageComboBox = new QComboBox();
mAtlasPageComboBox->setEditable( true );
mAtlasPageComboBox->addItem( QString::number( 1 ) );
mAtlasPageComboBox->setCurrentIndex( 0 );
mAtlasPageComboBox->setMinimumHeight( mAtlasToolbar->height() );
mAtlasPageComboBox->setMinimumContentsLength( 6 );
mAtlasPageComboBox->setMaxVisibleItems( 20 );
mAtlasPageComboBox->setSizeAdjustPolicy( QComboBox::AdjustToContents );
mAtlasPageComboBox->setInsertPolicy( QComboBox::NoInsert );
connect( mAtlasPageComboBox->lineEdit(), SIGNAL( editingFinished() ), this, SLOT( atlasPageComboEditingFinished() ) );
connect( mAtlasPageComboBox, SIGNAL( currentIndexChanged( QString ) ), this, SLOT( atlasPageComboEditingFinished() ) );
mAtlasToolbar->insertWidget( mActionAtlasNext, mAtlasPageComboBox );
QMenu *settingsMenu = menuBar()->addMenu( tr( "&Settings" ) );
settingsMenu->addAction( mActionOptions );
#ifdef Q_OS_MAC
// this doesn't work on Mac anymore: menuBar()->addMenu( mQgis->windowMenu() );
// QgsComposer::populateWithOtherMenu should work recursively with submenus and regardless of Qt version
mWindowMenu = new QMenu( tr( "Window" ), this );
mWindowMenu->setObjectName( "mWindowMenu" );
connect( mWindowMenu, SIGNAL( aboutToShow() ), this, SLOT( populateWindowMenu() ) );
menuBar()->addMenu( mWindowMenu );
mHelpMenu = new QMenu( tr( "Help" ), this );
mHelpMenu->setObjectName( "mHelpMenu" );
connect( mHelpMenu, SIGNAL( aboutToShow() ), this, SLOT( populateHelpMenu() ) );
menuBar()->addMenu( mHelpMenu );
#endif
mFirstTime = true;
// Create action to select this window
mWindowAction = new QAction( windowTitle(), this );
connect( mWindowAction, SIGNAL( triggered() ), this, SLOT( activate() ) );
QgsDebugMsg( "entered." );
setMouseTracking( true );
mViewFrame->setMouseTracking( true );
mStatusZoomCombo = new QComboBox( mStatusBar );
mStatusZoomCombo->setEditable( true );
mStatusZoomCombo->setInsertPolicy( QComboBox::NoInsert );
mStatusZoomCombo->setCompleter( nullptr );
mStatusZoomCombo->setMinimumWidth( 100 );
//zoom combo box accepts decimals in the range 1-9999, with an optional decimal point and "%" sign
QRegExp zoomRx( "\\s*\\d{1,4}(\\.\\d?)?\\s*%?" );
QValidator *zoomValidator = new QRegExpValidator( zoomRx, mStatusZoomCombo );
mStatusZoomCombo->lineEdit()->setValidator( zoomValidator );
//add some nice zoom levels to the zoom combobox
mStatusZoomLevelsList << 0.125 << 0.25 << 0.5 << 1.0 << 2.0 << 4.0 << 8.0;
QList<double>::iterator zoom_it;
for ( zoom_it = mStatusZoomLevelsList.begin(); zoom_it != mStatusZoomLevelsList.end(); ++zoom_it )
{
mStatusZoomCombo->insertItem( 0, tr( "%1%" ).arg( *zoom_it * 100.0, 0, 'f', 1 ) );
}
connect( mStatusZoomCombo, SIGNAL( currentIndexChanged( int ) ), this, SLOT( statusZoomCombo_currentIndexChanged( int ) ) );
connect( mStatusZoomCombo->lineEdit(), SIGNAL( returnPressed() ), this, SLOT( statusZoomCombo_zoomEntered() ) );
//create status bar labels
mStatusCursorXLabel = new QLabel( mStatusBar );
mStatusCursorXLabel->setMinimumWidth( 100 );
mStatusCursorYLabel = new QLabel( mStatusBar );
mStatusCursorYLabel->setMinimumWidth( 100 );
mStatusCursorPageLabel = new QLabel( mStatusBar );
mStatusCursorPageLabel->setMinimumWidth( 100 );
mStatusCompositionLabel = new QLabel( mStatusBar );
mStatusCompositionLabel->setMinimumWidth( 350 );
mStatusAtlasLabel = new QLabel( mStatusBar );
//hide borders from child items in status bar under Windows
mStatusBar->setStyleSheet( "QStatusBar::item {border: none;}" );
mStatusBar->addWidget( mStatusCursorXLabel );
mStatusBar->addWidget( mStatusCursorYLabel );
mStatusBar->addWidget( mStatusCursorPageLabel );
mStatusBar->addWidget( mStatusZoomCombo );
mStatusBar->addWidget( mStatusCompositionLabel );
mStatusBar->addWidget( mStatusAtlasLabel );
//create composer view and layout with rulers
mView = nullptr;
mViewLayout = new QGridLayout();
mViewLayout->setSpacing( 0 );
mViewLayout->setMargin( 0 );
mHorizontalRuler = new QgsComposerRuler( QgsComposerRuler::Horizontal );
mVerticalRuler = new QgsComposerRuler( QgsComposerRuler::Vertical );
mRulerLayoutFix = new QWidget();
mRulerLayoutFix->setAttribute( Qt::WA_NoMousePropagation );
mRulerLayoutFix->setBackgroundRole( QPalette::Window );
mRulerLayoutFix->setFixedSize( mVerticalRuler->rulerSize(), mHorizontalRuler->rulerSize() );
mViewLayout->addWidget( mRulerLayoutFix, 0, 0 );
mViewLayout->addWidget( mHorizontalRuler, 0, 1 );
mViewLayout->addWidget( mVerticalRuler, 1, 0 );
createComposerView();
mViewFrame->setLayout( mViewLayout );
//initial state of rulers
QSettings myQSettings;
bool showRulers = myQSettings.value( "/Composer/showRulers", true ).toBool();
mActionShowRulers->blockSignals( true );
mActionShowRulers->setChecked( showRulers );
mHorizontalRuler->setVisible( showRulers );
mVerticalRuler->setVisible( showRulers );
mRulerLayoutFix->setVisible( showRulers );
mActionShowRulers->blockSignals( false );
connect( mActionShowRulers, SIGNAL( triggered( bool ) ), this, SLOT( toggleRulers( bool ) ) );
//init undo/redo buttons
mComposition = new QgsComposition( mQgis->mapCanvas()->mapSettings() );
mActionUndo->setEnabled( false );
mActionRedo->setEnabled( false );
if ( mComposition->undoStack() )
{
connect( mComposition->undoStack(), SIGNAL( canUndoChanged( bool ) ), mActionUndo, SLOT( setEnabled( bool ) ) );
connect( mComposition->undoStack(), SIGNAL( canRedoChanged( bool ) ), mActionRedo, SLOT( setEnabled( bool ) ) );
}
mActionShowPage->setChecked( mComposition->pagesVisible() );
restoreGridSettings();
connectViewSlots();
connectCompositionSlots();
connectOtherSlots();
mView->setComposition( mComposition );
//this connection is set up after setting the view's composition, as we don't want setComposition called
//for new composers
connect( mView, SIGNAL( compositionSet( QgsComposition* ) ), this, SLOT( setComposition( QgsComposition* ) ) );
int minDockWidth( 335 );
setTabPosition( Qt::AllDockWidgetAreas, QTabWidget::North );
mGeneralDock = new QDockWidget( tr( "Composition" ), this );
mGeneralDock->setObjectName( "CompositionDock" );
mGeneralDock->setMinimumWidth( minDockWidth );
mPanelMenu->addAction( mGeneralDock->toggleViewAction() );
mItemDock = new QDockWidget( tr( "Item properties" ), this );
mItemDock->setObjectName( "ItemDock" );
mItemDock->setMinimumWidth( minDockWidth );
mPanelMenu->addAction( mItemDock->toggleViewAction() );
mUndoDock = new QDockWidget( tr( "Command history" ), this );
mUndoDock->setObjectName( "CommandDock" );
mPanelMenu->addAction( mUndoDock->toggleViewAction() );
mAtlasDock = new QDockWidget( tr( "Atlas generation" ), this );
mAtlasDock->setObjectName( "AtlasDock" );
mPanelMenu->addAction( mAtlasDock->toggleViewAction() );
mItemsDock = new QDockWidget( tr( "Items" ), this );
mItemsDock->setObjectName( "ItemsDock" );
mPanelMenu->addAction( mItemsDock->toggleViewAction() );
QList<QDockWidget *> docks = findChildren<QDockWidget *>();
Q_FOREACH ( QDockWidget* dock, docks )
{
dock->setFeatures( QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetClosable );
connect( dock, SIGNAL( visibilityChanged( bool ) ), this, SLOT( dockVisibilityChanged( bool ) ) );
}
createCompositionWidget();
//undo widget
mUndoView = new QUndoView( mComposition->undoStack(), this );
mUndoDock->setWidget( mUndoView );
//items tree widget
mItemsTreeView = new QTreeView( mItemsDock );
mItemsTreeView->setModel( mComposition->itemsModel() );
#ifdef ENABLE_MODELTEST
new ModelTest( mComposition->itemsModel(), this );
#endif
mItemsTreeView->setColumnWidth( 0, 30 );
mItemsTreeView->setColumnWidth( 1, 30 );
mItemsTreeView->header()->setResizeMode( 0, QHeaderView::Fixed );
mItemsTreeView->header()->setResizeMode( 1, QHeaderView::Fixed );
mItemsTreeView->header()->setMovable( false );
mItemsTreeView->setDragEnabled( true );
mItemsTreeView->setAcceptDrops( true );
mItemsTreeView->setDropIndicatorShown( true );
mItemsTreeView->setDragDropMode( QAbstractItemView::InternalMove );
mItemsTreeView->setIndentation( 0 );
mItemsDock->setWidget( mItemsTreeView );
connect( mItemsTreeView->selectionModel(), SIGNAL( currentChanged( QModelIndex, QModelIndex ) ), mComposition->itemsModel(), SLOT( setSelected( QModelIndex ) ) );
addDockWidget( Qt::RightDockWidgetArea, mItemDock );
addDockWidget( Qt::RightDockWidgetArea, mGeneralDock );
addDockWidget( Qt::RightDockWidgetArea, mUndoDock );
addDockWidget( Qt::RightDockWidgetArea, mAtlasDock );
addDockWidget( Qt::RightDockWidgetArea, mItemsDock );
QgsAtlasCompositionWidget* atlasWidget = new QgsAtlasCompositionWidget( mGeneralDock, mComposition );
mAtlasDock->setWidget( atlasWidget );
mItemDock->show();
mGeneralDock->show();
mUndoDock->show();
mAtlasDock->show();
mItemsDock->show();
tabifyDockWidget( mGeneralDock, mUndoDock );
tabifyDockWidget( mItemDock, mUndoDock );
tabifyDockWidget( mGeneralDock, mItemDock );
tabifyDockWidget( mItemDock, mAtlasDock );
tabifyDockWidget( mItemDock, mItemsDock );
mGeneralDock->raise();
//set initial state of atlas controls
mActionAtlasPreview->setEnabled( false );
mActionAtlasPreview->setChecked( false );
mActionAtlasFirst->setEnabled( false );
mActionAtlasLast->setEnabled( false );
mActionAtlasNext->setEnabled( false );
mActionAtlasPrev->setEnabled( false );
mActionPrintAtlas->setEnabled( false );
mAtlasPageComboBox->setEnabled( false );
mActionExportAtlasAsImage->setEnabled( false );
mActionExportAtlasAsSVG->setEnabled( false );
mActionExportAtlasAsPDF->setEnabled( false );
QgsAtlasComposition* atlasMap = &mComposition->atlasComposition();
connect( atlasMap, SIGNAL( toggled( bool ) ), this, SLOT( toggleAtlasControls( bool ) ) );
connect( atlasMap, SIGNAL( coverageLayerChanged( QgsVectorLayer* ) ), this, SLOT( updateAtlasMapLayerAction( QgsVectorLayer * ) ) );
connect( atlasMap, SIGNAL( numberFeaturesChanged( int ) ), this, SLOT( updateAtlasPageComboBox( int ) ) );
connect( atlasMap, SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( atlasFeatureChanged( QgsFeature* ) ) );
// Create size grip (needed by Mac OS X for QMainWindow if QStatusBar is not visible)
//should not be needed now that composer has a status bar?
#if 0
mSizeGrip = new QSizeGrip( this );
mSizeGrip->resize( mSizeGrip->sizeHint() );
mSizeGrip->move( rect().bottomRight() - mSizeGrip->rect().bottomRight() );
#endif
restoreWindowState();
setSelectionTool();
mView->setFocus();
//connect with signals from QgsProject to write project files
if ( QgsProject::instance() )
{
connect( QgsProject::instance(), SIGNAL( writeProject( QDomDocument& ) ), this, SLOT( writeXML( QDomDocument& ) ) );
}
#if defined(ANDROID)
// fix for Qt Ministro hiding app's menubar in favor of native Android menus
menuBar()->setNativeMenuBar( false );
menuBar()->setVisible( true );
#endif
}
QgsComposer::~QgsComposer()
{
deleteItemWidgets();
delete mPrinter;
}
void QgsComposer::setupTheme()
{
//now set all the icons - getThemeIcon will fall back to default theme if its
//missing from active theme
mActionQuit->setIcon( QgsApplication::getThemeIcon( "/mActionFileExit.png" ) );
mActionSaveProject->setIcon( QgsApplication::getThemeIcon( "/mActionFileSave.svg" ) );
mActionNewComposer->setIcon( QgsApplication::getThemeIcon( "/mActionNewComposer.svg" ) );
mActionDuplicateComposer->setIcon( QgsApplication::getThemeIcon( "/mActionDuplicateComposer.svg" ) );
mActionComposerManager->setIcon( QgsApplication::getThemeIcon( "/mActionComposerManager.svg" ) );
mActionLoadFromTemplate->setIcon( QgsApplication::getThemeIcon( "/mActionFileOpen.svg" ) );
mActionSaveAsTemplate->setIcon( QgsApplication::getThemeIcon( "/mActionFileSaveAs.svg" ) );
mActionExportAsImage->setIcon( QgsApplication::getThemeIcon( "/mActionSaveMapAsImage.png" ) );
mActionExportAsSVG->setIcon( QgsApplication::getThemeIcon( "/mActionSaveAsSVG.png" ) );
mActionExportAsPDF->setIcon( QgsApplication::getThemeIcon( "/mActionSaveAsPDF.png" ) );
mActionPrint->setIcon( QgsApplication::getThemeIcon( "/mActionFilePrint.png" ) );
mActionZoomAll->setIcon( QgsApplication::getThemeIcon( "/mActionZoomFullExtent.svg" ) );
mActionZoomIn->setIcon( QgsApplication::getThemeIcon( "/mActionZoomIn.svg" ) );
mActionZoomOut->setIcon( QgsApplication::getThemeIcon( "/mActionZoomOut.svg" ) );
mActionZoomActual->setIcon( QgsApplication::getThemeIcon( "/mActionZoomActual.svg" ) );
mActionMouseZoom->setIcon( QgsApplication::getThemeIcon( "/mActionZoomToArea.svg" ) );
mActionRefreshView->setIcon( QgsApplication::getThemeIcon( "/mActionDraw.svg" ) );
mActionUndo->setIcon( QgsApplication::getThemeIcon( "/mActionUndo.png" ) );
mActionRedo->setIcon( QgsApplication::getThemeIcon( "/mActionRedo.png" ) );
mActionAddImage->setIcon( QgsApplication::getThemeIcon( "/mActionAddImage.svg" ) );
mActionAddNewMap->setIcon( QgsApplication::getThemeIcon( "/mActionAddMap.svg" ) );
mActionAddNewLabel->setIcon( QgsApplication::getThemeIcon( "/mActionLabel.svg" ) );
mActionAddNewLegend->setIcon( QgsApplication::getThemeIcon( "/mActionAddLegend.svg" ) );
mActionAddNewScalebar->setIcon( QgsApplication::getThemeIcon( "/mActionScaleBar.svg" ) );
mActionAddRectangle->setIcon( QgsApplication::getThemeIcon( "/mActionAddBasicRectangle.svg" ) );
mActionAddTriangle->setIcon( QgsApplication::getThemeIcon( "/mActionAddBasicTriangle.svg" ) );
mActionAddEllipse->setIcon( QgsApplication::getThemeIcon( "/mActionAddBasicCircle.svg" ) );
mActionAddPolygon->setIcon( QgsApplication::getThemeIcon( "/mActionAddPolygon.svg" ) );
mActionAddPolyline->setIcon( QgsApplication::getThemeIcon( "/mActionAddPolyline.svg" ) );
mActionAddArrow->setIcon( QgsApplication::getThemeIcon( "/mActionAddArrow.svg" ) );
mActionAddTable->setIcon( QgsApplication::getThemeIcon( "/mActionAddTable.svg" ) );
mActionAddAttributeTable->setIcon( QgsApplication::getThemeIcon( "/mActionAddTable.svg" ) );
mActionAddHtml->setIcon( QgsApplication::getThemeIcon( "/mActionAddHtml.svg" ) );
mActionSelectMoveItem->setIcon( QgsApplication::getThemeIcon( "/mActionSelect.svg" ) );
mActionMoveItemContent->setIcon( QgsApplication::getThemeIcon( "/mActionMoveItemContent.svg" ) );
mActionEditNodesItem->setIcon( QgsApplication::getThemeIcon( "/mActionEditNodesItem.svg" ) );
mActionGroupItems->setIcon( QgsApplication::getThemeIcon( "/mActionGroupItems.png" ) );
mActionUngroupItems->setIcon( QgsApplication::getThemeIcon( "/mActionUngroupItems.png" ) );
mActionRaiseItems->setIcon( QgsApplication::getThemeIcon( "/mActionRaiseItems.png" ) );
mActionLowerItems->setIcon( QgsApplication::getThemeIcon( "/mActionLowerItems.png" ) );
mActionMoveItemsToTop->setIcon( QgsApplication::getThemeIcon( "/mActionMoveItemsToTop.png" ) );
mActionMoveItemsToBottom->setIcon( QgsApplication::getThemeIcon( "/mActionMoveItemsToBottom.png" ) );
mActionAlignLeft->setIcon( QgsApplication::getThemeIcon( "/mActionAlignLeft.png" ) );
mActionAlignHCenter->setIcon( QgsApplication::getThemeIcon( "/mActionAlignHCenter.png" ) );
mActionAlignRight->setIcon( QgsApplication::getThemeIcon( "/mActionAlignRight.png" ) );
mActionAlignTop->setIcon( QgsApplication::getThemeIcon( "/mActionAlignTop.png" ) );
mActionAlignVCenter->setIcon( QgsApplication::getThemeIcon( "/mActionAlignVCenter.png" ) );
mActionAlignBottom->setIcon( QgsApplication::getThemeIcon( "/mActionAlignBottom.png" ) );
}
void QgsComposer::setIconSizes( int size )
{
//Set the icon size of for all the toolbars created in the future.
setIconSize( QSize( size, size ) );
//Change all current icon sizes.
QList<QToolBar *> toolbars = findChildren<QToolBar *>();
Q_FOREACH ( QToolBar * toolbar, toolbars )
{
toolbar->setIconSize( QSize( size, size ) );
}
}
void QgsComposer::connectViewSlots()
{
if ( !mView )
{
return;
}
connect( mView, SIGNAL( selectedItemChanged( QgsComposerItem* ) ), this, SLOT( showItemOptions( QgsComposerItem* ) ) );
connect( mView, SIGNAL( itemRemoved( QgsComposerItem* ) ), this, SLOT( deleteItem( QgsComposerItem* ) ) );
connect( mView, SIGNAL( actionFinished() ), this, SLOT( setSelectionTool() ) );
//listen out for position updates from the QgsComposerView
connect( mView, SIGNAL( cursorPosChanged( QPointF ) ), this, SLOT( updateStatusCursorPos( QPointF ) ) );
connect( mView, SIGNAL( zoomLevelChanged() ), this, SLOT( updateStatusZoom() ) );
}
void QgsComposer::connectCompositionSlots()
{
if ( !mComposition )
{
return;
}
connect( mComposition, SIGNAL( selectedItemChanged( QgsComposerItem* ) ), this, SLOT( showItemOptions( QgsComposerItem* ) ) );
connect( mComposition, SIGNAL( composerArrowAdded( QgsComposerArrow* ) ), this, SLOT( addComposerArrow( QgsComposerArrow* ) ) );
connect( mComposition, SIGNAL( composerPolygonAdded( QgsComposerPolygon* ) ), this, SLOT( addComposerPolygon( QgsComposerPolygon* ) ) );
connect( mComposition, SIGNAL( composerPolylineAdded( QgsComposerPolyline* ) ), this, SLOT( addComposerPolyline( QgsComposerPolyline* ) ) );
connect( mComposition, SIGNAL( composerHtmlFrameAdded( QgsComposerHtml*, QgsComposerFrame* ) ), this, SLOT( addComposerHtmlFrame( QgsComposerHtml*, QgsComposerFrame* ) ) );
connect( mComposition, SIGNAL( composerLabelAdded( QgsComposerLabel* ) ), this, SLOT( addComposerLabel( QgsComposerLabel* ) ) );
connect( mComposition, SIGNAL( composerMapAdded( QgsComposerMap* ) ), this, SLOT( addComposerMap( QgsComposerMap* ) ) );
connect( mComposition, SIGNAL( composerScaleBarAdded( QgsComposerScaleBar* ) ), this, SLOT( addComposerScaleBar( QgsComposerScaleBar* ) ) );
connect( mComposition, SIGNAL( composerLegendAdded( QgsComposerLegend* ) ), this, SLOT( addComposerLegend( QgsComposerLegend* ) ) );
connect( mComposition, SIGNAL( composerPictureAdded( QgsComposerPicture* ) ), this, SLOT( addComposerPicture( QgsComposerPicture* ) ) );
connect( mComposition, SIGNAL( composerShapeAdded( QgsComposerShape* ) ), this, SLOT( addComposerShape( QgsComposerShape* ) ) );
connect( mComposition, SIGNAL( composerTableAdded( QgsComposerAttributeTable* ) ), this, SLOT( addComposerTable( QgsComposerAttributeTable* ) ) );
connect( mComposition, SIGNAL( composerTableFrameAdded( QgsComposerAttributeTableV2*, QgsComposerFrame* ) ), this, SLOT( addComposerTableV2( QgsComposerAttributeTableV2*, QgsComposerFrame* ) ) );
connect( mComposition, SIGNAL( itemRemoved( QgsComposerItem* ) ), this, SLOT( deleteItem( QgsComposerItem* ) ) );
connect( mComposition, SIGNAL( paperSizeChanged() ), mHorizontalRuler, SLOT( update() ) );
connect( mComposition, SIGNAL( paperSizeChanged() ), mVerticalRuler, SLOT( update() ) );
connect( mComposition, SIGNAL( nPagesChanged() ), mHorizontalRuler, SLOT( update() ) );
connect( mComposition, SIGNAL( nPagesChanged() ), mVerticalRuler, SLOT( update() ) );
//listen out to status bar updates from the atlas
QgsAtlasComposition* atlasMap = &mComposition->atlasComposition();
connect( atlasMap, SIGNAL( statusMsgChanged( QString ) ), this, SLOT( updateStatusAtlasMsg( QString ) ) );
//listen out to status bar updates from the composition
connect( mComposition, SIGNAL( statusMsgChanged( QString ) ), this, SLOT( updateStatusCompositionMsg( QString ) ) );
}
void QgsComposer::connectOtherSlots()
{
//also listen out for position updates from the horizontal/vertical rulers
connect( mHorizontalRuler, SIGNAL( cursorPosChanged( QPointF ) ), this, SLOT( updateStatusCursorPos( QPointF ) ) );
connect( mVerticalRuler, SIGNAL( cursorPosChanged( QPointF ) ), this, SLOT( updateStatusCursorPos( QPointF ) ) );
//listen out for zoom updates
connect( this, SIGNAL( zoomLevelChanged() ), this, SLOT( updateStatusZoom() ) );
}
void QgsComposer::open()
{
if ( mFirstTime )
{
//mComposition->createDefault();
mFirstTime = false;
show();
zoomFull(); // zoomFull() does not work properly until we have called show()
if ( mView )
{
mView->updateRulers();
}
}
else
{
show(); //make sure the window is displayed - with a saved project, it's possible to not have already called show()
//is that a bug?
activate(); //bring the composer window to the front
}
}
void QgsComposer::activate()
{
bool shown = isVisible();
show();
raise();
setWindowState( windowState() & ~Qt::WindowMinimized );
activateWindow();
if ( !shown )
{
on_mActionZoomAll_triggered();
}
}
void QgsComposer::changeEvent( QEvent* event )
{
QMainWindow::changeEvent( event );
switch ( event->type() )
{
#ifdef Q_OS_MAC
case QEvent::ActivationChange:
{
if ( QApplication::activeWindow() == this )
{
mWindowAction->setChecked( true );
}
break;
}
#endif
case QEvent::WindowStateChange:
{
/* Listen out for window un-minimisation and restore composer map states.
* We can't use showEvent to detect this due to QT Bug 36675 (see #6085).
*/
QWindowStateChangeEvent* changeEv = static_cast< QWindowStateChangeEvent* >( event );
if ( changeEv->oldState() & Qt::WindowMinimized )
{
// Window restored, restore composers
restoreComposerMapStates();
}
break;
}
default:
break;
}
}
void QgsComposer::setTitle( const QString& title )
{
mTitle = title;
setWindowTitle( mTitle );
if ( mWindowAction )
{
mWindowAction->setText( title );
}
//update atlas map layer action name if required
if ( mAtlasFeatureAction )
{
mAtlasFeatureAction->setText( QString( tr( "Set as atlas feature for %1" ) ).arg( mTitle ) );
}
}
void QgsComposer::updateStatusCursorPos( QPointF cursorPosition )
{
if ( !mComposition )
{
return;
}
//convert cursor position to position on current page
QPointF pagePosition = mComposition->positionOnPage( cursorPosition );
int currentPage = mComposition->pageNumberForPoint( cursorPosition );
mStatusCursorXLabel->setText( QString( tr( "x: %1 mm" ) ).arg( pagePosition.x() ) );
mStatusCursorYLabel->setText( QString( tr( "y: %1 mm" ) ).arg( pagePosition.y() ) );
mStatusCursorPageLabel->setText( QString( tr( "page: %3" ) ).arg( currentPage ) );
}
void QgsComposer::updateStatusZoom()
{
double dpi = QgsApplication::desktop()->logicalDpiX();
//monitor dpi is not always correct - so make sure the value is sane
if (( dpi < 60 ) || ( dpi > 250 ) )
dpi = 72;
//pixel width for 1mm on screen
double scale100 = dpi / 25.4;
//current zoomLevel
double zoomLevel = mView->transform().m11() * 100 / scale100;
whileBlocking( mStatusZoomCombo )->lineEdit()->setText( tr( "%1%" ).arg( zoomLevel, 0, 'f', 1 ) );
}
void QgsComposer::statusZoomCombo_currentIndexChanged( int index )
{
double selectedZoom = mStatusZoomLevelsList.at( mStatusZoomLevelsList.count() - index - 1 );
if ( mView )
{
mView->setZoomLevel( selectedZoom );
//update zoom combobox text for correct format (one decimal place, trailing % sign)
whileBlocking( mStatusZoomCombo )->lineEdit()->setText( tr( "%1%" ).arg( selectedZoom * 100.0, 0, 'f', 1 ) );
}
}
void QgsComposer::statusZoomCombo_zoomEntered()
{
if ( !mView )
{
return;
}
//need to remove spaces and "%" characters from input text
QString zoom = mStatusZoomCombo->currentText().remove( QChar( '%' ) ).trimmed();
mView->setZoomLevel( zoom.toDouble() / 100 );
}
void QgsComposer::updateStatusCompositionMsg( const QString& message )
{
mStatusCompositionLabel->setText( message );
}
void QgsComposer::updateStatusAtlasMsg( const QString& message )
{
mStatusAtlasLabel->setText( message );
}
void QgsComposer::showItemOptions( QgsComposerItem* item )
{
QWidget* currentWidget = mItemDock->widget();
if ( !item )
{
mItemDock->setWidget( nullptr );
return;
}
QMap<QgsComposerItem*, QWidget*>::const_iterator it = mItemWidgetMap.constFind( item );
if ( it == mItemWidgetMap.constEnd() )
{
return;
}
QWidget* newWidget = it.value();
if ( !newWidget || newWidget == currentWidget ) //bail out if new widget does not exist or is already there
{
return;
}
mItemDock->setWidget( newWidget );
}