211 lines
6.7 KiB
C++
211 lines
6.7 KiB
C++
/* Copyright (C) 2005 J.F.Dockes
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _RESLIST_H_INCLUDED_
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#define _RESLIST_H_INCLUDED_
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#include "autoconfig.h"
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#include <map>
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#include <QPoint>
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#include "plaintorich.h"
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#if defined(USING_WEBENGINE)
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# include <QWebEngineView>
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# define RESLIST_PARENTCLASS QWebEngineView
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#elif defined(USING_WEBKIT)
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# include <QWebView>
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# define RESLIST_PARENTCLASS QWebView
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#else
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# include <QTextBrowser>
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# define RESLIST_PARENTCLASS QTextBrowser
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#endif
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class RclMain;
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class QtGuiResListPager;
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class QEvent;
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class QProgressDialog;
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namespace Rcl {
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class Doc;
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}
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/**
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* Display a list of document records. The data can be out of the history
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* manager or from an index query, both abstracted as a DocSequence.
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*/
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class ResList : public RESLIST_PARENTCLASS
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{
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Q_OBJECT;
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friend class QtGuiResListPager;
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public:
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ResList(QWidget* parent = 0, const char* name = 0);
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virtual ~ResList();
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ResList(const ResList&) = delete;
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ResList& operator=(const ResList&) = delete;
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// Return document for given docnum. We mostly act as an
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// intermediary to the docseq here, but this has also the
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// side-effect of making the entry current (visible and
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// highlighted), and only works if the num is inside the current
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// page or its immediate neighbours.
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bool getDoc(int docnum, Rcl::Doc &);
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bool displayingHistory();
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int listId() const {return m_listId;}
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int pageFirstDocNum();
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void setFont();
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void setRclMain(RclMain *m, bool ismain);
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public slots:
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virtual void setDocSource(std::shared_ptr<DocSequence> nsource);
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virtual void resetList(); // Erase current list
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virtual void resPageUpOrBack(); // Page up pressed
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virtual void resPageDownOrNext(); // Page down pressed
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virtual void resultPageBack(); // Previous page of results
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virtual void resultPageFirst(); // First page of results
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virtual void resultPageNext(); // Next (or first) page of results
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virtual void resultPageFor(int docnum); // Page containing docnum
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virtual void menuPreview();
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virtual void menuSaveToFile();
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virtual void menuEdit();
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virtual void menuOpenWith(QAction *);
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virtual void menuCopyFN();
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virtual void menuCopyPath();
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virtual void menuCopyURL();
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virtual void menuCopyText();
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virtual void menuExpand();
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virtual void menuPreviewParent();
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virtual void menuOpenParent();
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virtual void menuOpenFolder();
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virtual void menuShowSnippets();
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virtual void menuShowSubDocs();
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virtual void previewExposed(int);
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virtual void append(const QString &text);
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virtual void readDocSource();
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virtual void highlighted(const QString& link);
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virtual void createPopupMenu(const QPoint& pos);
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virtual void showQueryDetails();
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virtual void onUiPrefsChanged();
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signals:
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void nextPageAvailable(bool);
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void prevPageAvailable(bool);
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void docPreviewClicked(int, Rcl::Doc, int);
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void docSaveToFileClicked(Rcl::Doc);
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void previewRequested(Rcl::Doc);
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void showSnippets(Rcl::Doc);
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void showSubDocs(Rcl::Doc);
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void editRequested(Rcl::Doc);
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void openWithRequested(Rcl::Doc, string cmd);
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void docExpand(Rcl::Doc);
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void wordSelect(QString);
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void wordReplace(const QString&, const QString&);
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void hasResults(int);
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protected:
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void keyPressEvent(QKeyEvent *e);
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void mouseReleaseEvent(QMouseEvent *e);
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void mouseDoubleClickEvent(QMouseEvent*);
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public slots:
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virtual void onLinkClicked(const QUrl &);
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virtual void onPopupJsDone(const QVariant&);
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protected slots:
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virtual void languageChange();
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void setupArrows();
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#if defined(USING_WEBENGINE)
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void runStoredJS(bool);
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void onPageScrollPositionChanged(const QPointF &position);
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void onPageContentsSizeChanged(const QSizeF &size);
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#endif // USING_WEBENGINE
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private:
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QtGuiResListPager *m_pager{0};
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std::shared_ptr<DocSequence> m_source;
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int m_popDoc{-1}; // Docnum for the popup menu.
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QPoint m_popPos;
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int m_curPvDoc{-1};// Docnum for current preview
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int m_lstClckMod{0}; // Last click modifier.
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int m_listId{0}; // query Id for matching with preview windows
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#if defined(USING_WEBKIT) || defined(USING_WEBENGINE)
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// Webview makes it more difficult to append text incrementally,
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// so we store the page and display it when done.
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QString m_text;
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QProgressDialog *m_progress{nullptr};
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int m_residx{0}; // result index in page
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void runJS(const QString& js);
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#if defined(USING_WEBENGINE)
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// Webengine local image display appears to break randomly (for some versions and platforms,
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// circa 2022) when we display the same data multiple times. Detect and avoid.
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QString m_lasttext;
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QPointF m_scrollpos{0,0};
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QSizeF m_contentsize{0,0};
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#endif // WEBENGINE
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#else
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// Translate from textedit paragraph number to relative
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// docnum. Built while we insert text into the qtextedit
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std::map<int,int> m_pageParaToReldocnums;
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virtual int docnumfromparnum(int);
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virtual std::pair<int,int> parnumfromdocnum(int);
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#endif
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// Running js after page load. Sometimes we don't want to do it on the first event (which may be
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// a reset), hence the countdown.
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QString m_js;
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int m_js_countdown{0};
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RclMain *m_rclmain{0};
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bool m_ismainres{true};
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void doCreatePopupMenu();
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virtual void displayPage();
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static int newListId();
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void resetView();
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bool scrollIsAtTop();
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bool scrollIsAtBottom();
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};
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#ifdef USING_WEBENGINE
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// Subclass the page to hijack the link clicks
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class RclWebPage : public QWebEnginePage {
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Q_OBJECT
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public:
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RclWebPage(ResList *parent)
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: QWebEnginePage((QWidget *)parent), m_reslist(parent) {}
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protected:
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virtual bool acceptNavigationRequest(
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const QUrl& url, NavigationType tp, bool isMainFrame);
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private:
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ResList *m_reslist;
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};
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#else // Using Qt Webkit
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#define RclWebPage QWebPage
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#endif
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class PlainToRichQtReslist : public PlainToRich {
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public:
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virtual string startMatch(unsigned int idx);
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virtual string endMatch();
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};
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#endif /* _RESLIST_H_INCLUDED_ */
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