#ifndef BUFFER_VIEW_H
#define BUFFER_VIEW_H
-#include "LString.h"
+#include "metricsinfo.h"
-#include "insets/inset.h"
+#include "frontends/LyXKeySym.h"
+
+#include "support/types.h"
#include <boost/utility.hpp>
+#include <boost/signal.hpp>
+
+#include <string>
-class Change;
-class LyXView;
-class LyXText;
-class TeXErrors;
class Buffer;
-class LyXScreen;
+class Change;
+class DocIterator;
+class FuncRequest;
+class FuncStatus;
class Language;
-class Painter;
-class UpdatableInset;
-class WordLangTuple;
-class Encoding;
-class ErrorList;
+class LCursor;
+class LyXText;
+class LyXView;
+class ParIterator;
+class ViewMetricsInfo;
+
+namespace Update {
+ enum flags {
+ FitCursor = 1,
+ Force = 2,
+ SinglePar = 4,
+ MultiParSel = 8
+ };
+
+inline flags operator|(flags const f, flags const g)
+{
+ return static_cast<flags>(int(f) | int(g));
+}
+
+inline flags operator&(flags const f, flags const g)
+{
+ return static_cast<flags>(int(f) & int(g));
+}
+
+} // namespace
+
+/// Scrollbar Parameters
+struct ScrollbarParameters
+{
+ void reset(int h = 0, int p = 0, int l = 0)
+ {
+ height = h;
+ position = p;
+ lineScrollHeight = l;
+ }
+
+ /// The total document height in pixels
+ int height;
+ /// The current position in the document, in pixels
+ int position;
+ /// the line-scroll amount, in pixels
+ int lineScrollHeight;
+};
/**
* A buffer view encapsulates a view onto a particular
* Create a view with the given owner main window,
* of the given dimensions.
*/
- BufferView(LyXView * owner, int x, int y, int w, int h);
+ BufferView(LyXView * owner);
~BufferView();
/// set the buffer we are viewing
- void buffer(Buffer * b);
+ void setBuffer(Buffer * b);
/// return the buffer being viewed
Buffer * buffer() const;
- /// return the painter object for drawing onto the view
- Painter & painter() const;
- /// return the screen object for handling re-drawing
- LyXScreen & screen() const;
/// return the owning main view
LyXView * owner() const;
- /// return the visible top y
- int top_y() const;
-
- /// set the visible top y
- void top_y(int);
-
/// resize event has happened
void resize();
/// reload the contained buffer
void reload();
- /// create a new buffer based on template
- bool newFile(string const & fname, string const & tname,
- bool named = true);
/// load a buffer into the view
- bool loadLyXFile(string const & name, bool tolastfiles = true);
+ bool loadLyXFile(std::string const & name, bool tolastfiles = true);
- /// fit the user cursor within the visible view
- bool fitCursor();
- /// perform pending painting updates
- void update();
- /** update for a particular inset. Gets a pointer and not a
- * reference because we really need the pointer information
- * to find it in the buffer.
+ /** perform pending painting updates. \c fitcursor means first
+ * to do a fitcursor, and to force an update if screen
+ * position changes. \c forceupdate means to force an update
+ * in any case.
+ * \return true if a full updateMetrics() is needed.
*/
- void updateInset(InsetOld const *);
+ bool update(Update::flags flags = Update::FitCursor | Update::Force);
+
+ /// move the screen to fit the cursor. Only to be called with
+ /// good y coordinates (after a bv::metrics)
+ bool fitCursor();
/// reset the scrollbar to reflect current view position
void updateScrollbar();
- /// FIXME
- void redoCurrentBuffer();
+ /// return the Scrollbar Parameters
+ ScrollbarParameters const & scrollbarParameters() const;
/// FIXME
bool available() const;
- /// FIXME
- void beforeChange(LyXText *);
-
/// Save the current position as bookmark i
void savePosition(unsigned int i);
/// Restore the position from bookmark i
void restorePosition(unsigned int i);
/// does the given bookmark have a saved position ?
bool isSavedPosition(unsigned int i);
+ /// save bookmarks to .lyx/session
+ void saveSavedPositions();
/// return the current change at the cursor
Change const getCurrentChange();
- /**
- * This holds the mapping between buffer paragraphs and screen rows.
- * This should be private...but not yet. (Lgb)
- */
- LyXText * text;
/// return the lyxtext we are using
- LyXText * getLyXText() const;
-
- /// Return the current inset we are "locked" in
- UpdatableInset * theLockingInset() const;
- /// lock the given inset FIXME: return value ?
- bool lockInset(UpdatableInset * inset);
- /// unlock the given inset
- int unlockInset(UpdatableInset * inset);
- /// unlock the currently locked inset
- void insetUnlock();
-
- /// return the current encoding at the cursor
- Encoding const * getEncoding() const;
-
- /// return the parent language of the given inset
- Language const * getParentLanguage(InsetOld * inset) const;
-
- /// Select the "current" word
- void selectLastWord();
- /// replace the currently selected word
- void replaceWord(string const & replacestring);
- /// Update after spellcheck finishes
- void endOfSpellCheck();
- /// return the next word
- WordLangTuple const nextWord(float & value);
+ LyXText * getLyXText();
- /// move cursor to the named label
- void gotoLabel(string const & label);
+ /// return the lyxtext we are using
+ LyXText const * getLyXText() const;
- /// undo last action
- void undo();
- /// redo last action
- void redo();
+ /// move cursor to the named label
+ void gotoLabel(std::string const & label);
- /// get the stored error list
- ErrorList const & getErrorList() const;
- /// show the error list to the user
- void showErrorList(string const &) const;
/// set the cursor based on the given TeX source row
void setCursorFromRow(int row);
- /**
- * Insert an inset into the buffer.
- * Place it in a layout of lout,
- */
- bool insertInset(InsetOld * inset, string const & lout = string());
-
- /// Inserts a lyx file at cursor position. return false if it fails
- bool insertLyXFile(string const & file);
-
- /// FIXME
- bool fitLockedInsetCursor(int x, int y, int asc, int desc);
-
- /// hide the cursor if it is visible
- void hideCursor();
-
/// 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 the view by a number of pixels
- void scrollDocView(int);
+ void scrollDocView(int pixels);
+ /// Set the cursor position based on the scrollbar one.
+ void setCursorFromScrollbar();
/// return the pixel width of the document view
int workWidth() const;
/// switch between primary and secondary keymaps for RTL entry
void switchKeyMap();
- /// FIXME
- bool ChangeRefsIfUnique(string const & from, string const & to);
-
- /// get the contents of the window system clipboard
- string const getClipboard() const;
- /// fill the window system clipboard
- void stuffClipboard(string const &) const;
- /// tell the window system we have a selection
- void haveSelection(bool sel);
-
+ /// return true for events that will handle
+ FuncStatus getStatus(FuncRequest const & cmd);
/// execute the given function
bool dispatch(FuncRequest const & argument);
-private:
- /// Set the current locking inset
- void theLockingInset(UpdatableInset * inset);
-
- /**
- * Change all insets with the given code's contents to a new
- * string. May only be used with InsetCommand-derived insets
- * Returns true if a screen update is needed.
+ ///
+ void selectionRequested();
+ ///
+ void selectionLost();
+
+ ///
+ void workAreaResize(int width, int height);
+
+ /// a function should be executed from the workarea
+ bool workAreaDispatch(FuncRequest const & ev);
+
+ /// clear the X selection
+ void unsetXSel();
+
+ /// access to offset
+ int offset_ref() const;
+ /// access to anchor
+ lyx::pit_type anchor_ref() const;
+
+ /// access to full cursor
+ LCursor & cursor();
+ /// access to full cursor
+ LCursor const & cursor() const;
+ ///
+ LyXText * text() const;
+ /// sets cursor and open all relevant collapsable insets.
+ void setCursor(DocIterator const &);
+ /// sets cursor; this is used when handling LFUN_MOUSE_PRESS.
+ void mouseSetCursor(LCursor & cur);
+
+ /* Sets the selection. When \c backwards == false, set anchor
+ * to \c cur and cursor to \c cur + \c length. When \c
+ * backwards == true, set anchor to \c cur and cursor to \c
+ * cur + \c length.
*/
- bool ChangeInsets(InsetOld::Code code, string const & from,
- string const & to);
+ void putSelectionAt(DocIterator const & cur,
+ int length, bool backwards);
+ ///
+ ViewMetricsInfo const & viewMetricsInfo();
+ ///
+ void updateMetrics(bool singlepar = false);
+ /// This signal is emitted when some message shows up.
+ boost::signal<void(std::string)> message;
- struct Pimpl;
- friend struct BufferView::Pimpl;
-
+private:
+ ///
+ class Pimpl;
+ ///
+ friend class BufferView::Pimpl;
+ ///
Pimpl * pimpl_;
};
projects / lyx.git / blobdiff