Set a maximum value to zoom level

[lyx.git] / src / frontends / qt4 / GuiViewSource.h

diff --git a/src/frontends/qt4/GuiViewSource.h b/src/frontends/qt4/GuiViewSource.h
index 9f460aa105443ddd38904b784e2602f7ccad4e3c..3d35587940de308ab2550d626cbf2e7b0d7fe2d4 100644 (file)
--- a/src/frontends/qt4/GuiViewSource.h
+++ b/src/frontends/qt4/GuiViewSource.h
@@ -16,40 +16,79 @@
 
 #include "ui_ViewSourceUi.h"
 
+#include "Buffer.h"
 #include "DockView.h"
-#include "GuiView.h"
-#include "qt_helpers.h"
 
 #include <QDockWidget>
 #include <QString>
-#include <QTextCharFormat>
+#include <QTimer>
+
 
 class QTextDocument;
 
+
 namespace lyx {
+
+class TexRow;
+
+
 namespace frontend {
 
 class GuiViewSource;
 class LaTeXHighlighter;
 
+
 class ViewSourceWidget : public QWidget, public Ui::ViewSourceUi
 {
        Q_OBJECT
 
 public:
-       ViewSourceWidget(GuiViewSource &);
+       ViewSourceWidget(QWidget * parent);
+       /// returns true if the string has changed
+       bool setText(QString const & qstr = QString());
+       ///
+       void saveSession(QSettings & settings, QString const & session_key) const;
+       ///
+       void restoreSession(QString const & session_key);
+       ///
+       int updateDelay() const;
+
+protected:
+       ///
+       void resizeEvent (QResizeEvent * event);
 
 public Q_SLOTS:
-       // update content
-       void updateView();
+       ///
+       void updateView(BufferView const * bv);
+       ///
+       void setViewFormat(int const index);
+       //
+       void updateDefaultFormat(BufferView const & bv);
+       ///
+       void contentsChanged();
+       ///
+       void goToCursor() const;
+       /// Name of the current format. Empty if none.
+       docstring currentFormatName(BufferView const * bv) const;
+
+Q_SIGNALS:
+       void needUpdate() const;
 
 private:
-       ///
-       GuiViewSource & controller_;    
+       /// Get the source code of selected paragraphs, or the whole document.
+       void getContent(BufferView const & view, Buffer::OutputWhat output,
+                          docstring & str, std::string const & format, bool master);
+       /// Grab double clicks on the viewport
+       bool eventFilter(QObject * obj, QEvent * event);
        ///
        QTextDocument * document_;
        /// LaTeX syntax highlighter
        LaTeXHighlighter * highlighter_;
+       ///
+       std::string view_format_;
+       /// TexRow information from the last source view. If TexRow is unavailable
+       /// for the last format then texrow_ is null.
+       unique_ptr<TexRow> texrow_;
 };
 
 
@@ -61,9 +100,7 @@ public:
        GuiViewSource(
                GuiView & parent, ///< the main window where to dock.
                Qt::DockWidgetArea area = Qt::BottomDockWidgetArea, ///< Position of the dock (and also drawer)
-               Qt::WindowFlags flags = 0);
-
-       ~GuiViewSource();
+               Qt::WindowFlags flags = {});
 
        /// Controller inherited method.
        ///@{
@@ -75,24 +112,31 @@ public:
        bool canApplyToReadOnly() const { return true; }
        void updateView();
        void enableView(bool enable);
-       void saveSession() const;
+       void saveSession(QSettings & settings) const;
        void restoreSession();
+       bool wantInitialFocus() const { return false; }
        ///@}
 
+public Q_SLOTS:
+       ///
+       void onBufferViewChanged();//override
+
+private Q_SLOTS:
        /// The title displayed by the dialog reflects source type.
-       QString title() const;
+       void updateTitle();
+       /// schedule an update after delay
+       void scheduleUpdate();
+       /// schedule an update now
+       void scheduleUpdateNow();
 
-       /** get the source code of selected paragraphs, or the whole document
-               \param fullSource get full source code
-        */
-       QString getContent(bool fullSource);
-       // cursor position in the source code
-       struct Row { int begin; int end; };
-       Row getRows() const;
+       /// update content
+       void realUpdateView();
 
 private:
        /// The encapsulated widget.
        ViewSourceWidget * widget_;
+       ///
+       QTimer * update_timer_;
 };
 
 } // namespace frontend