#ifndef BUFFER_VIEW_H
#define BUFFER_VIEW_H
-#include "CoordCache.h"
-#include "Cursor.h"
-#include "MetricsInfo.h"
-#include "TextMetrics.h"
#include "update_flags.h"
+#include "support/strfwd.h"
#include "support/types.h"
-#include <boost/tuple/tuple.hpp>
-#include <boost/utility.hpp>
-#include <boost/signal.hpp>
-
-#include <utility>
-#include <string>
-
-
namespace lyx {
namespace support { class FileName; }
namespace frontend { class Painter; }
+namespace frontend { class GuiBufferViewDelegate; }
class Buffer;
class Change;
+class CoordCache;
+class Cursor;
class DocIterator;
class FuncRequest;
class FuncStatus;
class Intl;
-class Cursor;
-class Text;
+class Inset;
+class Menu;
class ParIterator;
class ParagraphMetrics;
-class ViewMetricsInfo;
+class Point;
+class Text;
+class TextMetrics;
+
+enum CursorStatus {
+ CUR_INSIDE,
+ CUR_ABOVE,
+ CUR_BELOW
+};
/// Scrollbar Parameters.
struct ScrollbarParameters
* \sa Buffer
* \sa CoordCache
*/
-class BufferView : boost::noncopyable {
+class BufferView {
public:
///
BufferView(Buffer & buffer);
-
+ ///
~BufferView();
/// return the buffer being viewed.
* \c Update::Force means to force an update in any case.
* \retval true if a screen redraw is needed
*/
- bool update(Update::flags flags = Update::FitCursor | Update::Force);
+ void processUpdateFlags(Update::flags flags);
/// move the screen to fit the cursor.
/// Only to be called with good y coordinates (after a bv::metrics)
void updateScrollbar();
/// return the Scrollbar Parameters.
ScrollbarParameters const & scrollbarParameters() const;
+ /// \return Tool tip for the given position.
+ docstring toolTip(int x, int y) const;
+ /// \return the context menu for the given position.
+ docstring contextMenu(int x, int y) const;
/// Save the current position as bookmark.
/// if idx == 0, save to temp_bookmark
/// set the cursor based on the given TeX source row.
void setCursorFromRow(int row);
- /// center the document view around the cursor.
- void center();
- /// scroll document by the given number of lines of default height.
- void scroll(int lines);
+ /// Ensure the cursor is visible.
+ /// This method will automatically scroll and update the BufferView and updated
+ /// if needed.
+ void showCursor();
+ /// scroll down document by the given number of pixels.
+ void scrollDown(int pixels);
+ /// scroll up document by the given number of pixels.
+ void scrollUp(int pixels);
+ /// scroll document by the given number of pixels.
+ void scroll(int pixels);
/// Scroll the view by a number of pixels.
void scrollDocView(int pixels);
/// Set the cursor position based on the scrollbar one.
/// return the pixel height of the document view.
int workHeight() const;
+
/// translate and insert a character, using the correct keymap.
void translateAndInsert(char_type c, Text * t, Cursor & cur);
/// return true for events that will handle.
FuncStatus getStatus(FuncRequest const & cmd);
/// execute the given function.
- /// \return the Update::flags for further metrics update.
- Update::flags dispatch(FuncRequest const & argument);
+ /// \return true if the function has been processed.
+ bool dispatch(FuncRequest const & argument);
/// request an X11 selection.
/// \return the selected string.
/// dispatch method helper for \c WorkArea
/// \sa WorkArea
- /// \retval true if a redraw is needed
- bool workAreaDispatch(FuncRequest const & ev);
+ void mouseEventDispatch(FuncRequest const & ev);
/// access to anchor.
pit_type anchor_ref() const;
+ ///
+ CursorStatus cursorStatus(DocIterator const & dit) const;
/// access to full cursor.
Cursor & cursor();
/// access to full cursor.
bool checkDepm(Cursor & cur, Cursor & old);
/// sets cursor.
/// This is used when handling LFUN_MOUSE_PRESS.
- bool mouseSetCursor(Cursor & cur);
+ bool mouseSetCursor(Cursor & cur, bool select = false);
/// sets the selection.
/* When \c backwards == false, set anchor
void putSelectionAt(DocIterator const & cur,
int length, bool backwards);
- /// return the internal \c ViewMetricsInfo.
- /// This is used specifically by the \c Workrea.
- /// \sa WorkArea
- /// \sa ViewMetricsInfo
- ViewMetricsInfo const & viewMetricsInfo();
/// update the internal \c ViewMetricsInfo.
- /// \param singlepar indicates wether
- void updateMetrics(bool singlepar = false);
+ void updateMetrics();
///
TextMetrics const & textMetrics(Text const * t) const;
ParagraphMetrics const & parMetrics(Text const *, pit_type) const;
///
- CoordCache & coordCache() {
- return coord_cache_;
- }
+ CoordCache & coordCache();
///
- CoordCache const & coordCache() const {
- return coord_cache_;
- }
+ CoordCache const & coordCache() const;
+
+ ///
+ Point getPos(DocIterator const & dit, bool boundary) const;
+
///
void draw(frontend::Painter & pain);
/// get this view's keyboard map handler.
- Intl & getIntl() { return *intl_.get(); }
+ Intl & getIntl();
///
- Intl const & getIntl() const { return *intl_.get(); }
+ Intl const & getIntl() const;
+ //
+ // Messages to the GUI
+ //
/// This signal is emitted when some message shows up.
- boost::signal<void(docstring)> message;
+ void message(docstring const & msg);
/// This signal is emitted when some dialog needs to be shown.
- boost::signal<void(std::string name)> showDialog;
+ void showDialog(std::string const & name);
/// This signal is emitted when some dialog needs to be shown with
/// some data.
- boost::signal<void(std::string name,
- std::string data)> showDialogWithData;
-
- /// This signal is emitted when some inset dialogs needs to be shown.
- boost::signal<void(std::string name, std::string data,
- Inset * inset)> showInsetDialog;
+ void showDialog(std::string const & name, std::string const & data,
+ Inset * inset = 0);
/// This signal is emitted when some dialogs needs to be updated.
- boost::signal<void(std::string name,
- std::string data)> updateDialog;
+ void updateDialog(std::string const & name, std::string const & data);
- /// This signal is emitted when the layout at the cursor is changed.
- boost::signal<void(docstring layout)> layoutChanged;
+ ///
+ void setGuiDelegate(frontend::GuiBufferViewDelegate *);
-private:
///
- bool multiParSel();
+ docstring contentsOfPlaintextFile(support::FileName const & f);
+ // Insert plain text file (if filename is empty, prompt for one)
+ void insertPlaintextFile(support::FileName const & f, bool asParagraph);
+ ///
+ void insertLyXFile(support::FileName const & f);
+
+private:
+ /// noncopyable
+ BufferView(BufferView const &);
+ void operator=(BufferView const &);
+
+ // the position relative to (0, baseline) of outermost paragraph
+ Point coordOffset(DocIterator const & dit, bool boundary) const;
+ /// Update current paragraph metrics.
+ /// \return true if no further update is needed.
+ bool singleParUpdate();
/// Search recursively for the the innermost inset that covers (x, y) position.
/// \retval 0 if no inset is found.
Text const & text, //< The Text where we start searching.
int x, //< x-coordinate on screen
int y //< y-coordinate on screen
- );
+ ) const;
///
int width_;
///
int height_;
///
- ScrollbarParameters scrollbarParameters_;
-
- ///
- ViewMetricsInfo metrics_info_;
- ///
- CoordCache coord_cache_;
- ///
Buffer & buffer_;
- /// Estimated average par height for scrollbar.
- int wh_;
- ///
- void menuInsertLyXFile(std::string const & filen);
-
- /// this is used to handle XSelection events in the right manner.
- struct {
- CursorSlice cursor;
- CursorSlice anchor;
- bool set;
- } xsel_cache_;
- ///
- Cursor cursor_;
- ///
- bool multiparsel_cache_;
- ///
- pit_type anchor_ref_;
- ///
- int offset_ref_;
- ///
- void updateOffsetRef();
- ///
- bool need_centering_;
-
- /// keyboard mapping object.
- boost::scoped_ptr<Intl> const intl_;
+ struct Private;
+ Private * const d;
+};
- /// last visited inset (kept to send setMouseHover(false) )
- Inset * last_inset_;
+/// some space for drawing the 'nested' markers (in pixel)
+inline int nestMargin() { return 15; }
- /// A map from a Text to the associated text metrics
- typedef std::map<Text const *, TextMetrics> TextMetricsCache;
- mutable TextMetricsCache text_metrics_;
-};
+/// margin for changebar
+inline int changebarMargin() { return 12; }
+/// right margin
+inline int rightMargin() { return 10; }
} // namespace lyx
projects / lyx.git / blobdiff