#ifndef BUFFER_VIEW_H
#define BUFFER_VIEW_H
-#include "coordcache.h"
-#include "cursor.h"
-#include "metricsinfo.h"
+#include "CoordCache.h"
+#include "Cursor.h"
+#include "MetricsInfo.h"
#include "TextMetrics.h"
-#include "UpdateFlags.h"
+#include "update_flags.h"
#include "support/types.h"
#include <boost/tuple/tuple.hpp>
-#include <boost/utility.hpp>
+#include <boost/noncopyable.hpp>
#include <boost/signal.hpp>
#include <utility>
namespace support { class FileName; }
+namespace frontend { class Painter; }
+
class Buffer;
class Change;
class DocIterator;
class FuncRequest;
class FuncStatus;
class Intl;
-class LCursor;
-class LyXText;
+class Cursor;
+class Text;
class ParIterator;
class ParagraphMetrics;
class ViewMetricsInfo;
+
+enum CursorStatus {
+ CUR_INSIDE,
+ CUR_ABOVE,
+ CUR_BELOW
+};
/// Scrollbar Parameters.
struct ScrollbarParameters
* is a sliding window of the entire document rendering.
* It is the official interface between the LyX core and
* the frontend WorkArea.
- *
+ *
* \sa WorkArea
* \sa Buffer
* \sa CoordCache
*/
class BufferView : boost::noncopyable {
public:
- BufferView();
+ ///
+ BufferView(Buffer & buffer);
~BufferView();
- /// set the buffer we are viewing.
- /// \todo FIXME: eventually, we will create a new BufferView
- /// when switching Buffers, so this method should go.
- void setBuffer(Buffer * b);
/// return the buffer being viewed.
- Buffer * buffer() const;
-
- /// resize the BufferView.
- void resize();
-
- /// load a buffer into the view.
- bool loadLyXFile(support::FileName const & name, bool tolastfiles = true);
+ Buffer & buffer();
+ Buffer const & buffer() const;
/// perform pending metrics updates.
/** \c Update::FitCursor means first to do a FitCursor, and to
/// Save the current position as bookmark.
/// if idx == 0, save to temp_bookmark
void saveBookmark(unsigned int idx);
- /// goto a specified position, try top_id first, and then bottom_pit
- /// return the bottom_pit and top_id of the new paragraph
- boost::tuple<pit_type, pos_type, int> moveToPosition(
+ /// goto a specified position, try top_id first, and then bottom_pit.
+ /// \return true if success
+ bool moveToPosition(
pit_type bottom_pit, ///< Paragraph pit, used when par_id is zero or invalid.
pos_type bottom_pos, ///< Paragraph pit, used when par_id is zero or invalid.
int top_id, ///< Paragraph ID, \sa Paragraph
/// center the document view around the cursor.
void center();
- /// scroll document by the given number of lines of default height.
- void scroll(int lines);
+ /// 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;
- /// switch between primary and secondary keymaps for RTL entry.
- void switchKeyMap();
+ /// 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);
/// clear the X11 selection.
void clearSelection();
- /// resize method helper for \c WorkArea
+ /// resize the BufferView.
/// \sa WorkArea
- /// \sa resise
- void workAreaResize(int width, int height);
+ void resize(int width, int height);
/// dispatch method helper for \c WorkArea
/// \sa WorkArea
/// access to anchor.
pit_type anchor_ref() const;
+ ///
+ CursorStatus cursorStatus(DocIterator const & dit) const;
/// access to full cursor.
- LCursor & cursor();
+ Cursor & cursor();
/// access to full cursor.
- LCursor const & cursor() const;
+ Cursor const & cursor() const;
/// sets cursor.
/// This will also open all relevant collapsable insets.
void setCursor(DocIterator const &);
/// Check deleteEmptyParagraphMechanism and update metrics if needed.
/// \retval true if an update was needed.
- bool checkDepm(LCursor & cur, LCursor & old);
+ bool checkDepm(Cursor & cur, Cursor & old);
/// sets cursor.
/// This is used when handling LFUN_MOUSE_PRESS.
- bool mouseSetCursor(LCursor & cur);
+ bool mouseSetCursor(Cursor & cur);
/// sets the selection.
/* When \c backwards == false, set anchor
void updateMetrics(bool singlepar = false);
///
- TextMetrics const & textMetrics(LyXText const * t) const;
- TextMetrics & textMetrics(LyXText const * t);
+ TextMetrics const & textMetrics(Text const * t) const;
+ TextMetrics & textMetrics(Text const * t);
///
- ParagraphMetrics const & parMetrics(LyXText const *, pit_type) const;
+ ParagraphMetrics const & parMetrics(Text const *, pit_type) const;
///
- CoordCache & coordCache() {
- return coord_cache_;
- }
+ CoordCache & coordCache() { return coord_cache_; }
///
- CoordCache const & coordCache() const {
- return coord_cache_;
- }
+ CoordCache const & coordCache() const { return coord_cache_; }
+
+ ///
+ 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(); }
///
/// This signal is emitted when some inset dialogs needs to be shown.
boost::signal<void(std::string name, std::string data,
- InsetBase * inset)> showInsetDialog;
+ Inset * inset)> showInsetDialog;
/// This signal is emitted when some dialogs needs to be updated.
boost::signal<void(std::string name,
std::string data)> updateDialog;
/// This signal is emitted when the layout at the cursor is changed.
- boost::signal<void(std::string layout)> layoutChanged;
+ boost::signal<void(docstring layout)> layoutChanged;
private:
+ // 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();
///
bool multiParSel();
/// Search recursively for the the innermost inset that covers (x, y) position.
/// \retval 0 if no inset is found.
- InsetBase const * getCoveringInset(
- LyXText const & text, //< The LyXText where we start searching.
+ Inset const * getCoveringInset(
+ Text const & text, //< The Text where we start searching.
int x, //< x-coordinate on screen
int y //< y-coordinate on screen
);
///
CoordCache coord_cache_;
///
- Buffer * buffer_;
+ Buffer & buffer_;
/// Estimated average par height for scrollbar.
int wh_;
bool set;
} xsel_cache_;
///
- LCursor cursor_;
+ 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_;
/// last visited inset (kept to send setMouseHover(false) )
- InsetBase * last_inset_;
+ Inset * last_inset_;
- /// A map from a LyXText to the associated text metrics
- typedef std::map<LyXText const *, TextMetrics> TextMetricsCache;
+ /// A map from a Text to the associated text metrics
+ typedef std::map<Text const *, TextMetrics> TextMetricsCache;
mutable TextMetricsCache text_metrics_;
};
+/// some space for drawing the 'nested' markers (in pixel)
+inline int nestMargin() { return 15; }
+
+/// margin for changebar
+inline int changebarMargin() { return 12; }
+
+/// right margin
+inline int rightMargin() { return 10; }
} // namespace lyx