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Library renamed to Pdf4Qt
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Jakub Melka
398
Pdf4QtViewer/pdfprogramcontroller.h
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398
Pdf4QtViewer/pdfprogramcontroller.h
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// Copyright (C) 2020 Jakub Melka
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//
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// This file is part of Pdf4Qt.
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//
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// Pdf4Qt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// Pdf4Qt 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Pdf4Qt. If not, see <https://www.gnu.org/licenses/>.
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#ifndef PDFPROGRAMCONTROLLER_H
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#define PDFPROGRAMCONTROLLER_H
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#include "pdfviewerglobal.h"
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#include "pdfdocument.h"
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#include "pdfsignaturehandler.h"
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#include "pdfdocumentreader.h"
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#include "pdfdocumentpropertiesdialog.h"
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#include "pdfplugin.h"
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#include <QObject>
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#include <QAction>
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#include <QToolButton>
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#include <QActionGroup>
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#include <array>
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class QMainWindow;
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class QToolBar;
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namespace pdf
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{
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class PDFAction;
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class PDFWidget;
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class PDFCMSManager;
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class PDFToolManager;
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class PDFFormManager;
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class PDFWidgetAnnotationManager;
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}
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namespace pdfviewer
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{
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class PDFViewerSettings;
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class PDFUndoRedoManager;
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class PDFRecentFileManager;
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class PDFTextToSpeech;
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class IMainWindow
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{
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public:
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explicit IMainWindow() = default;
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virtual ~IMainWindow() = default;
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virtual void updateUI(bool fullUpdate) = 0;
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virtual QMenu* addToolMenu(QString name) = 0;
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virtual void setStatusBarMessage(QString message, int time) = 0;
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virtual void setDocument(const pdf::PDFModifiedDocument& document) = 0;
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virtual void adjustToolbar(QToolBar* toolbar) = 0;
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};
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class Pdf4QtVIEWERLIBSHARED_EXPORT PDFActionManager : public QObject
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{
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Q_OBJECT
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private:
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using BaseClass = QObject;
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public:
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explicit PDFActionManager(QObject* parent);
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enum Action
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{
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Open,
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Close,
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Quit,
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ZoomIn,
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ZoomOut,
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Find,
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FindPrevious,
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FindNext,
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SelectTextAll,
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DeselectText,
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CopyText,
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RotateRight,
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RotateLeft,
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Print,
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Undo,
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Redo,
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Save,
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SaveAs,
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Properties,
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Options,
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About,
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SendByMail,
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RenderToImages,
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Optimize,
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FitPage,
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FitWidth,
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FitHeight,
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ShowRenderingErrors,
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GoToDocumentStart,
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GoToDocumentEnd,
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GoToNextPage,
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GoToPreviousPage,
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GoToNextLine,
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GoToPreviousLine,
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CreateStickyNoteComment,
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CreateStickyNoteHelp,
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CreateStickyNoteInsert,
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CreateStickyNoteKey,
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CreateStickyNoteNewParagraph,
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CreateStickyNoteNote,
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CreateStickyNoteParagraph,
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CreateTextHighlight,
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CreateTextUnderline,
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CreateTextStrikeout,
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CreateTextSquiggly,
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CreateHyperlink,
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CreateInlineText,
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CreateStraightLine,
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CreatePolyline,
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CreatePolygon,
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CreateEllipse,
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CreateFreehandCurve,
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CreateStampApproved,
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CreateStampAsIs,
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CreateStampConfidential,
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CreateStampDepartmental,
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CreateStampDraft,
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CreateStampExperimental,
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CreateStampExpired,
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CreateStampFinal,
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CreateStampForComment,
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CreateStampForPublicRelease,
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CreateStampNotApproved,
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CreateStampNotForPublicRelease,
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CreateStampSold,
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CreateStampTopSecret,
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RenderOptionAntialiasing,
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RenderOptionTextAntialiasing,
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RenderOptionSmoothPictures,
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RenderOptionIgnoreOptionalContentSettings,
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RenderOptionDisplayAnnotations,
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RenderOptionInvertColors,
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RenderOptionShowTextBlocks,
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RenderOptionShowTextLines,
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PageLayoutSinglePage,
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PageLayoutContinuous,
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PageLayoutTwoPages,
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PageLayoutTwoColumns,
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PageLayoutFirstPageOnRightSide,
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ToolSelectText,
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ToolMagnifier,
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ToolScreenshot,
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ToolExtractImage,
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LastAction
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};
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enum ActionGroup
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{
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CreateStickyNoteGroup,
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CreateTextHighlightGroup,
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CreateStampGroup,
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LastActionGroup
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};
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inline void setAction(Action type, QAction* action) { m_actions[type] = action; }
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inline QAction* getAction(Action type) const { return m_actions[type]; }
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inline QActionGroup* getActionGroup(ActionGroup group) const { return m_actionGroups[group]; }
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/// Creates a tool button with menu for action group. If action group
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/// doesn't exist, then nullptr is returned.
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/// \param group Action group
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/// \param parent Tool button's parent
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QToolButton* createToolButtonForActionGroup(ActionGroup group, QWidget* parent) const;
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/// Sets shortcut for given action. If action is nullptr,
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/// then nothing happens.
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/// \param type Action type
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/// \param sequence Key sequence
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void setShortcut(Action type, QKeySequence sequence);
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/// Sets action data. If action is nullptr, then nothing happens.
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/// \param type Action type
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/// \param userData User data
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void setUserData(Action type, QVariant userData);
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/// Sets enabled state of the action. If action is nullptr, the nothing happens.
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/// \param type Action type
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/// \param enabled Enabled
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void setEnabled(Action type, bool enabled);
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/// Sets check state of the action. If action is nullptr, the nothing happens.
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/// \param type Action type
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/// \param enabled Enabled
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void setChecked(Action type, bool checked);
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/// Returns a list of rendering option actions
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std::vector<QAction*> getRenderingOptionActions() const;
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/// Returns a list of all actions
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std::vector<QAction*> getActions() const;
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/// Adds additional action to action manager
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void addAdditionalAction(QAction* action);
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void initActions(QSize iconSize, bool initializeStampActions);
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private:
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bool hasActions(const std::initializer_list<Action>& actionTypes) const;
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std::vector<QAction*> getActionList(const std::initializer_list<Action>& actionTypes) const;
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std::array<QAction*, LastAction> m_actions;
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std::array<QActionGroup*, LastActionGroup> m_actionGroups;
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std::vector<QAction*> m_additionalActions;
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};
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class Pdf4QtVIEWERLIBSHARED_EXPORT PDFProgramController : public QObject
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{
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Q_OBJECT
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private:
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using BaseClass = QObject;
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public:
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explicit PDFProgramController(QObject* parent);
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virtual ~PDFProgramController() override;
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enum Feature
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{
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None = 0x0000, ///< No feature
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Tools = 0x0001, ///< Tools
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Forms = 0x0002, ///< Forms
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UndoRedo = 0x0004, ///< Undo/redo
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Plugins = 0x0008, ///< Plugins
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TextToSpeech = 0x0010, ///< Text to speech
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AllFeatures = 0xFFFF, ///< All features enabled
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};
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Q_DECLARE_FLAGS(Features, Feature)
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void openDocument(const QString& fileName);
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void setDocument(pdf::PDFModifiedDocument document);
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void closeDocument();
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pdf::PDFWidget* getPdfWidget() const { return m_pdfWidget; }
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pdf::PDFToolManager* getToolManager() const { return m_toolManager; }
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PDFRecentFileManager* getRecentFileManager() const { return m_recentFileManager; }
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PDFViewerSettings* getSettings() const { return m_settings; }
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pdf::PDFDocument* getDocument() const { return m_pdfDocument.data(); }
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pdf::PDFCertificateStore* getCertificateStore() const { return const_cast<pdf::PDFCertificateStore*>(&m_certificateStore); }
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PDFTextToSpeech* getTextToSpeech() const { return m_textToSpeech; }
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const std::vector<pdf::PDFSignatureVerificationResult>* getSignatures() const { return &m_signatures; }
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void initialize(Features features,
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QMainWindow* mainWindow,
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IMainWindow* mainWindowInterface,
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PDFActionManager* actionManager,
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pdf::PDFProgress* progress);
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void finishInitialization();
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void writeSettings();
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void performPrint();
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void performSave();
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void performSaveAs();
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void onActionTriggered(const pdf::PDFAction* action);
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void updateActionsAvailability();
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bool getIsBusy() const;
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void setIsBusy(bool isBusy);
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bool canClose() const;
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signals:
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void queryPasswordRequest(QString* password, bool* ok);
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private:
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struct AsyncReadingResult
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{
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pdf::PDFDocumentPointer document;
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QString errorMessage;
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pdf::PDFDocumentReader::Result result = pdf::PDFDocumentReader::Result::Cancelled;
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std::vector<pdf::PDFSignatureVerificationResult> signatures;
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};
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void initializeToolManager();
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void initializeAnnotationManager();
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void initializeFormManager();
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void onActionGoToDocumentStartTriggered();
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void onActionGoToDocumentEndTriggered();
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void onActionGoToNextPageTriggered();
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void onActionGoToPreviousPageTriggered();
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void onActionGoToNextLineTriggered();
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void onActionGoToPreviousLineTriggered();
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void onActionZoomIn();
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void onActionZoomOut();
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void onActionRotateRightTriggered();
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void onActionRotateLeftTriggered();
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void onActionRenderingOptionTriggered(bool checked);
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void onActionPropertiesTriggered();
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void onActionAboutTriggered();
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void onActionSendByEMailTriggered();
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void onActionRenderToImagesTriggered();
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void onActionOptimizeTriggered();
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void onActionFitPageTriggered();
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void onActionFitWidthTriggered();
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void onActionFitHeightTriggered();
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void onActionRenderingErrorsTriggered();
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void onActionPageLayoutSinglePageTriggered();
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void onActionPageLayoutContinuousTriggered();
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void onActionPageLayoutTwoPagesTriggered();
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void onActionPageLayoutTwoColumnsTriggered();
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void onActionFirstPageOnRightSideTriggered();
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void onActionFindTriggered();
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void onActionOptionsTriggered();
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void onActionOpenTriggered();
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void onActionCloseTriggered();
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void onDrawSpaceChanged();
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void onPageLayoutChanged();
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void onDocumentReadingFinished();
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void onDocumentModified(pdf::PDFModifiedDocument document);
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void onDocumentUndoRedo(pdf::PDFModifiedDocument document);
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void onQueryPasswordRequest(QString* password, bool* ok);
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void onPageRenderingErrorsChanged(pdf::PDFInteger pageIndex, int errorsCount);
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void onViewerSettingsChanged();
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void updateMagnifierToolSettings();
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void updateUndoRedoSettings();
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void updateUndoRedoActions();
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void updateTitle();
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void updatePageLayoutActions();
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void updateRenderingOptionActions();
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void setPageLayout(pdf::PageLayout pageLayout);
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void updateFileInfo(const QString& fileName);
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enum SettingFlag
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{
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NoSettings = 0x0000, ///< No feature
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WindowSettings = 0x0001, ///< Window settings
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GeneralSettings = 0x0002, ///< General settings
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PluginsSettings = 0x0004, ///< Enabled plugin settings
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ActionSettings = 0x0008, ///< Action settings
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RecentFileSettings = 0x0010, ///< Recent files settings
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CertificateSettings = 0x0020, ///< Certificate settings
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};
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Q_DECLARE_FLAGS(Settings, SettingFlag)
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void loadPlugins();
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void readSettings(Settings settings);
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void saveDocument(const QString& fileName);
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PDFActionManager* m_actionManager;
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QMainWindow* m_mainWindow;
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IMainWindow* m_mainWindowInterface;
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pdf::PDFWidget* m_pdfWidget;
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PDFViewerSettings* m_settings;
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PDFUndoRedoManager* m_undoRedoManager;
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PDFRecentFileManager* m_recentFileManager;
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pdf::PDFOptionalContentActivity* m_optionalContentActivity;
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pdf::PDFDocumentPointer m_pdfDocument;
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PDFTextToSpeech* m_textToSpeech;
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QFuture<AsyncReadingResult> m_future;
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QFutureWatcher<AsyncReadingResult>* m_futureWatcher;
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pdf::PDFCMSManager* m_CMSManager;
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pdf::PDFToolManager* m_toolManager;
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pdf::PDFWidgetAnnotationManager* m_annotationManager;
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pdf::PDFFormManager* m_formManager;
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PDFFileInfo m_fileInfo;
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pdf::PDFCertificateStore m_certificateStore;
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std::vector<pdf::PDFSignatureVerificationResult> m_signatures;
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bool m_isBusy;
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pdf::PDFProgress* m_progress;
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QStringList m_enabledPlugins;
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pdf::PDFPluginInfos m_plugins;
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std::vector<std::pair<pdf::PDFPluginInfo, pdf::PDFPlugin*>> m_loadedPlugins;
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};
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} // namespace pdfviewer
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#endif // PDFPROGRAMCONTROLLER_H
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