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qgscomposer.h
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qgscomposer.h
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/***************************************************************************
qgscomposer.h
-------------------
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. *
* *
***************************************************************************/
#ifndef QGSCOMPOSER_H
#define QGSCOMPOSER_H
#include "ui_qgscomposerbase.h"
#include "qgscomposermap.h"
#include "qgscontexthelp.h"
#include <QDockWidget>
class QgisApp;
class QgsComposerArrow;
class QgsComposerFrame;
class QgsComposerHtml;
class QgsComposerLabel;
class QgsComposerLegend;
class QgsComposerPicture;
class QgsComposerPictureWidget;
class QgsComposerRuler;
class QgsComposerScaleBar;
class QgsComposerShape;
class QgsComposerAttributeTable;
class QgsComposerAttributeTableV2;
class QgsComposerView;
class QgsComposition;
class QgsMapCanvas;
class QgsAtlasComposition;
class QgsMapLayerAction;
class QGridLayout;
class QDomNode;
class QDomDocument;
class QMoveEvent;
class QResizeEvent;
class QFile;
class QSizeGrip;
class QUndoView;
class QComboBox;
class QLabel;
class QTreeView;
/** \ingroup MapComposer
* \brief A gui for composing a printable map.
*/
class QgsComposer: public QMainWindow, private Ui::QgsComposerBase
{
Q_OBJECT
public:
enum OutputMode
{
Single = 0,
Atlas
};
QgsComposer( QgisApp *qgis, const QString& title );
~QgsComposer();
//! Set the pixmap / icons on the toolbar buttons
void setupTheme();
void setIconSizes( int size );
//! Open and show, set defaults if first time
void open();
//! Zoom to full extent of the paper
void zoomFull();
//! Return pointer to map canvas
QgsMapCanvas *mapCanvas( void );
//! Return pointer to composer view
QgsComposerView *view( void );
//! Return current composition
QgsComposition* composition( void ) { return mComposition; }
//! Restore the window and toolbar state
void restoreWindowState();
QAction* windowAction() {return mWindowAction;}
const QString& title() const {return mTitle;}
void setTitle( const QString& title );
//! Load template into current or blank composer
//! @param newComposer whether to create a new composer first
void loadTemplate( const bool newComposer );
protected:
//! Move event
virtual void moveEvent( QMoveEvent * ) override;
virtual void closeEvent( QCloseEvent * ) override;
//! Resize event
virtual void resizeEvent( QResizeEvent * ) override;
#ifdef Q_OS_MAC
virtual void showEvent( QShowEvent* event ) override;
#endif
virtual void changeEvent( QEvent *ev ) override;
signals:
//! Is emitted every time the view zoom has changed
void zoomLevelChanged();
void composerAdded( QgsComposerView* v );
//!Composer deletes the old composerview when loading a template
void composerWillBeRemoved( QgsComposerView* v );
//! Is emitted when the atlas preview feature changes
void atlasPreviewFeatureChanged();
public slots:
//! Zoom to full extent of the paper
void on_mActionZoomAll_triggered();
//! Zoom in
void on_mActionZoomIn_triggered();
//! Zoom out
void on_mActionZoomOut_triggered();
//! Zoom actual
void on_mActionZoomActual_triggered();
//! Refresh view
void on_mActionRefreshView_triggered();
//! Print the composition
void on_mActionPrint_triggered();
//! Page Setup for composition
void on_mActionPageSetup_triggered();
//! Print as image
void on_mActionExportAsImage_triggered();
//! Print as SVG
void on_mActionExportAsSVG_triggered();
//! Print as PDF
void on_mActionExportAsPDF_triggered();
//! Select item
void on_mActionSelectMoveItem_triggered();
//! Add arrow
void on_mActionAddArrow_triggered();
//! Add new map
void on_mActionAddNewMap_triggered();
//! Add new legend
void on_mActionAddNewLegend_triggered();
//! Add new label
void on_mActionAddNewLabel_triggered();
//! Add new scalebar
void on_mActionAddNewScalebar_triggered();
//! Add new picture
void on_mActionAddImage_triggered();
void on_mActionAddRectangle_triggered();
void on_mActionAddTriangle_triggered();
void on_mActionAddEllipse_triggered();
//! Add attribute table
void on_mActionAddTable_triggered();
//! Add attribute table
void on_mActionAddAttributeTable_triggered();
void on_mActionAddHtml_triggered();
//! Save parent project
void on_mActionSaveProject_triggered();
//! Create new composer
void on_mActionNewComposer_triggered();
//! Duplicate current composer
void on_mActionDuplicateComposer_triggered();
//! Show composer manager
void on_mActionComposerManager_triggered();
//! Save composer as template
void on_mActionSaveAsTemplate_triggered();
void on_mActionLoadFromTemplate_triggered();
//! Set tool to move item content
void on_mActionMoveItemContent_triggered();
//! Set tool to move item content
void on_mActionPan_triggered();
//! Set tool to mouse zoom
void on_mActionMouseZoom_triggered();
//! Group selected items
void on_mActionGroupItems_triggered();
//! Cut item(s)
void actionCutTriggered();
//! Copy item(s)
void actionCopyTriggered();
//! Paste item(s)
void actionPasteTriggered();
//! Paste in place item(s)
void on_mActionPasteInPlace_triggered();
//! Delete selected item(s)
void on_mActionDeleteSelection_triggered();
//! Select all items
void on_mActionSelectAll_triggered();
//! Deselect all items
void on_mActionDeselectAll_triggered();
//! Invert selection
void on_mActionInvertSelection_triggered();
//! Ungroup selected item group
void on_mActionUngroupItems_triggered();
//! Lock selected items
void on_mActionLockItems_triggered();
//! Unlock all items
void on_mActionUnlockAll_triggered();
//! Select next item below
void on_mActionSelectNextAbove_triggered();
//! Select next item above
void on_mActionSelectNextBelow_triggered();
//! Move selected items one position up
void on_mActionRaiseItems_triggered();
//!Move selected items one position down
void on_mActionLowerItems_triggered();
//!Move selected items to top
void on_mActionMoveItemsToTop_triggered();
//!Move selected items to bottom
void on_mActionMoveItemsToBottom_triggered();
//!Align selected composer items left
void on_mActionAlignLeft_triggered();
//!Align selected composere items horizontally centered
void on_mActionAlignHCenter_triggered();
//!Align selected composer items right
void on_mActionAlignRight_triggered();
//!Align selected composer items to top
void on_mActionAlignTop_triggered();
//!Align selected composer items vertically centered
void on_mActionAlignVCenter_triggered();
//!Align selected composer items to bottom
void on_mActionAlignBottom_triggered();
//!Undo last composer change
void on_mActionUndo_triggered();
//!Redo last composer change
void on_mActionRedo_triggered();
//!Show/hide grid
void on_mActionShowGrid_triggered( bool checked );
//!Enable or disable snap items to grid
void on_mActionSnapGrid_triggered( bool checked );
//!Show/hide guides
void on_mActionShowGuides_triggered( bool checked );
//!Enable or disable snap items to guides
void on_mActionSnapGuides_triggered( bool checked );
//!Enable or disable smart guides
void on_mActionSmartGuides_triggered( bool checked );
//!Show/hide bounding boxes
void on_mActionShowBoxes_triggered( bool checked );
//!Show/hide rulers
void toggleRulers( bool checked );
//!Clear guides
void on_mActionClearGuides_triggered();
//!Show options dialog
void on_mActionOptions_triggered();
//!Toggle atlas preview
void on_mActionAtlasPreview_triggered( bool checked );
//!Next atlas feature
void on_mActionAtlasNext_triggered();
//!Previous atlas feature
void on_mActionAtlasPrev_triggered();
//!First atlas feature
void on_mActionAtlasFirst_triggered();
//!Last atlas feature
void on_mActionAtlasLast_triggered();
//! Print the atlas
void on_mActionPrintAtlas_triggered();
//! Print atlas as image
void on_mActionExportAtlasAsImage_triggered();
//! Print atlas as SVG
void on_mActionExportAtlasAsSVG_triggered();
//! Print atlas as PDF
void on_mActionExportAtlasAsPDF_triggered();
//! Atlas settings
void on_mActionAtlasSettings_triggered();
//! Toggle full screen mode
void on_mActionToggleFullScreen_triggered();
//! Toggle panels
void on_mActionHidePanels_triggered();
//! Save window state
void saveWindowState();
/**Add a composer arrow to the item/widget map and creates a configuration widget for it*/
void addComposerArrow( QgsComposerArrow* arrow );
/**Add a composer map to the item/widget map and creates a configuration widget for it*/
void addComposerMap( QgsComposerMap* map );
/**Adds a composer label to the item/widget map and creates a configuration widget for it*/
void addComposerLabel( QgsComposerLabel* label );
/**Adds a composer scale bar to the item/widget map and creates a configuration widget for it*/
void addComposerScaleBar( QgsComposerScaleBar* scalebar );
/**Adds a composer legend to the item/widget map and creates a configuration widget for it*/
void addComposerLegend( QgsComposerLegend* legend );
/**Adds a composer picture to the item/widget map and creates a configuration widget*/
void addComposerPicture( QgsComposerPicture* picture );
/**Adds a composer shape to the item/widget map and creates a configuration widget*/
void addComposerShape( QgsComposerShape* shape );
/**Adds a composer table to the item/widget map and creates a configuration widget*/
void addComposerTable( QgsComposerAttributeTable* table );
/**Adds a composer table v2 to the item/widget map and creates a configuration widget*/
void addComposerTableV2( QgsComposerAttributeTableV2* table, QgsComposerFrame* frame );
/**Adds composer html and creates a configuration widget*/
void addComposerHtmlFrame( QgsComposerHtml* html, QgsComposerFrame* frame );
/**Removes item from the item/widget map and deletes the configuration widget. Does not delete the item itself*/
void deleteItem( QgsComposerItem* item );
/**Shows the configuration widget for a composer item*/
void showItemOptions( QgsComposerItem* i );
//XML, usually connected with QgsProject::readProject and QgsProject::writeProject
//! Stores state in Dom node
void writeXML( QDomDocument& doc );
//! Stores only template as base Dom node
void templateXML( QDomDocument& doc );
//! Sets state from Dom document
void readXML( const QDomDocument& doc );
void readXML( const QDomElement& composerElem, const QDomDocument& doc, bool fromTemplate = false );
void setSelectionTool();
//! Raise, unminimize and activate this window
void activate();
//! Updates cursor position in status bar
void updateStatusCursorPos( QPointF position );
//! Updates zoom level in status bar
void updateStatusZoom();
void statusZoomCombo_currentIndexChanged( int index );
void statusZoomCombo_zoomEntered();
//! Updates status bar composition message
void updateStatusCompositionMsg( QString message );
//! Updates status bar atlas message
void updateStatusAtlasMsg( QString message );
private:
/**Establishes the signal slot connections from the QgsComposerView to the composer*/
void connectViewSlots();
/**Establishes the signal slot connections from the QgsComposition to the composer*/
void connectCompositionSlots();
/**Establishes other signal slot connections for the composer*/
void connectOtherSlots();
/**Creates the composition widget*/
void createCompositionWidget();
/**Sets up the compositions undo/redo connections*/
void setupUndoView();
//! True if a composer map contains a WMS layer
bool containsWMSLayer() const;
//! True if a composer contains advanced effects, such as blend modes
bool containsAdvancedEffects() const;
//! Displays a warning because of possible min/max size in WMS
void showWMSPrintingWarning();
//! Displays a warning because of incompatibility between blend modes and QPrinter
void showAdvancedEffectsWarning();
//! Changes elements that are not suitable for this project
void cleanupAfterTemplateRead();
//! Writes state under DOM element
void writeXML( QDomNode& parentNode, QDomDocument& doc );
//! Removes all the item from the graphics scene and deletes them
void deleteItemWidgets();
//! Restores composer map preview states.
//! Initially after reading from xml, states are set to rectangle to achieve faster project loading.
void restoreComposerMapStates();
//! Create composer view and rulers
void createComposerView();
//! Write a world file
void writeWorldFile( QString fileName, double a, double b, double c, double d, double e, double f ) const;
//! Updates the grid/guide action status based on compositions grid/guide settings
void restoreGridSettings();
//! Prints either the whole atlas or just the current feature, depending on mode
void printComposition( QgsComposer::OutputMode mode );
//! Exports either either the whole atlas or just the current feature as an image, depending on mode
void exportCompositionAsImage( QgsComposer::OutputMode mode );
//! Exports either either the whole atlas or just the current feature as an SVG, depending on mode
void exportCompositionAsSVG( QgsComposer::OutputMode mode );
//! Exports either either the whole atlas or just the current feature as a PDF, depending on mode
void exportCompositionAsPDF( QgsComposer::OutputMode mode );
//! Updates the "set as atlas feature" map layer action, removing it if atlas is disabled
void updateAtlasMapLayerAction( bool atlasEnabled );
//! Set default settings for printer page settings based on composition paper size
void setPrinterPageDefaults();
//! Load predefined scales from the project's properties
void loadAtlasPredefinedScalesFromProject();
QPrinter* printer();
/**Composer title*/
QString mTitle;
/**Labels in status bar which shows current mouse position*/
QLabel* mStatusCursorXLabel;
QLabel* mStatusCursorYLabel;
QLabel* mStatusCursorPageLabel;
/**Combobox in status bar which shows/adjusts current zoom level*/
QComboBox* mStatusZoomCombo;
QList<double> mStatusZoomLevelsList;
/**Label in status bar which shows messages from the composition*/
QLabel* mStatusCompositionLabel;
/**Label in status bar which shows atlas details*/
QLabel* mStatusAtlasLabel;
//! Pointer to composer view
QgsComposerView *mView;
QGridLayout* mViewLayout;
QgsComposerRuler* mHorizontalRuler;
QgsComposerRuler* mVerticalRuler;
QWidget* mRulerLayoutFix;
//! Current composition
QgsComposition *mComposition;
//! Pointer to QGIS application
QgisApp *mQgis;
//! The composer was opened first time (-> set defaults)
bool mFirstTime;
//! Layout
QGridLayout *mItemOptionsLayout;
//! Size grip
QSizeGrip *mSizeGrip;
//! To know which item to show if selection changes
QMap<QgsComposerItem*, QWidget*> mItemWidgetMap;
//! Window menu action to select this window
QAction *mWindowAction;
//! Copy/cut/paste actions
QAction *mActionCut;
QAction *mActionCopy;
QAction *mActionPaste;
//! Page & Printer Setup
QPrinter* mPrinter;
QUndoView* mUndoView;
//! Preview mode actions
QAction *mActionPreviewModeOff;
QAction *mActionPreviewModeGrayscale;
QAction *mActionPreviewModeMono;
QAction *mActionPreviewProtanope;
QAction *mActionPreviewDeuteranope;
//! We load composer map content from project xml only on demand. Therefore we need to store the real preview mode type
QMap< QgsComposerMap*, int > mMapsToRestore;
QDockWidget* mItemDock;
QDockWidget* mUndoDock;
QDockWidget* mGeneralDock;
QDockWidget* mAtlasDock;
QDockWidget* mItemsDock;
QTreeView* mItemsTreeView;
QMenu* mPanelMenu;
QMenu* mToolbarMenu;
//! Print Composers menu as mirror of main app's
QMenu* mPrintComposersMenu;
//! Window menu as mirror of main app's (on Mac)
QMenu* mWindowMenu;
//! Help menu as mirror of main app's (on Mac)
QMenu* mHelpMenu;
QgsMapLayerAction* mAtlasFeatureAction;
struct PanelStatus
{
PanelStatus( bool visible = true, bool active = false ) : isVisible( visible ), isActive( active ) {}
bool isVisible;
bool isActive;
};
QMap< QString, PanelStatus > mPanelStatus;
signals:
void printAsRasterChanged( bool state );
private slots:
//! Populate Print Composers menu from main app's
void populatePrintComposersMenu();
//! Populate Window menu from main app's (on Mac)
void populateWindowMenu();
//! Populate Help menu from main app's (on Mac)
void populateHelpMenu();
//! Populate one menu from another menu (for Mac)
void populateWithOtherMenu( QMenu* thisMenu, QMenu* otherMenu );
//! Create a duplicate of a menu (for Mac)
QMenu* mirrorOtherMenu( QMenu* otherMenu );
//! Toggles the state of the atlas preview and navigation controls
//! @note added in 2.1
void toggleAtlasControls( bool atlasEnabled );
//! Sets the specified feature as the current atlas feature
//! @note added in 2.1
void setAtlasFeature( QgsMapLayer* layer, const QgsFeature &feat );
//! Updates the "set as atlas feature" map layer action when atlas coverage layer changes
void updateAtlasMapLayerAction( QgsVectorLayer* coverageLayer );
//! Sets the printer page orientation when the page orientation changes
void setPrinterPageOrientation( QString orientation );
void disablePreviewMode();
void activateGrayscalePreview();
void activateMonoPreview();
void activateProtanopePreview();
void activateDeuteranopePreview();
//! Sets the composition for the composer window
void setComposition( QgsComposition* composition );
void dockVisibilityChanged( bool visible );
};
#endif