lyx_mirror/src/insets/insettext.h
Jürgen Vigna 756af02794 Lots of fixes for text/tabular insets. Now tabular insets work quite good
and you have now automatic row-breaking for cells with width! Also added
the fix from Denkel. See ChangeLog.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@732 a592a061-630c-0410-9148-cb99ea01b6c8
2000-05-15 14:49:36 +00:00

270 lines
6.4 KiB
C++

// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1998 The LyX Team.
*
*======================================================
*/
// The pristine updatable inset: Text
#ifndef INSETTEXT_H
#define INSETTEXT_H
#ifdef __GNUG__
#pragma interface
#endif
#include "lyxinset.h"
#include "LString.h"
#include "lyxcursor.h"
class Painter;
class BufferView;
class Buffer;
class LyXCursor;
class LyXParagraph;
class LColor;
/** A text inset is like a TeX box
To write full text (including styles and other insets) in a given
space.
*/
class InsetText : public UpdatableInset {
public:
///
enum { TEXT_TO_INSET_OFFSET = 2 };
///
explicit
InsetText(Buffer *);
///
InsetText(InsetText const &, Buffer *);
///
~InsetText();
///
Inset * Clone() const;
///
void clear() const { par->clearContents(); }
///
void Read(LyXLex &);
///
void Write(std::ostream &) const;
///
int ascent(Painter &, LyXFont const &) const;
///
int descent(Painter &, LyXFont const &) const;
///
int width(Painter &, LyXFont const & f) const;
///
void draw(Painter & pain, LyXFont const &, int , float &) const;
///
char const * EditMessage() const;
///
void Edit(BufferView *, int, int, unsigned int);
///
void InsetUnlock(BufferView *);
///
bool LockInsetInInset(BufferView *, UpdatableInset *);
///
bool UnlockInsetInInset(BufferView *, UpdatableInset *, bool lr = false);
///
bool UpdateInsetInInset(BufferView *, Inset *);
///
void InsetButtonRelease(BufferView *, int, int, int);
///
void InsetButtonPress(BufferView *, int, int, int);
///
void InsetMotionNotify(BufferView *, int, int, int);
///
void InsetKeyPress(XKeyEvent *);
///
UpdatableInset::RESULT LocalDispatch(BufferView *, int, string const &);
///
int Latex(std::ostream &, bool fragile, bool free_spc) const;
///
int Ascii(std::ostream &) const { return 0; }
///
int Linuxdoc(std::ostream &) const { return 0; }
///
int DocBook(std::ostream &) const { return 0; }
///
void Validate(LaTeXFeatures & features) const;
///
Inset::Code LyxCode() const { return Inset::TEXT_CODE; }
///
void GetCursorPos(int & x, int & y) const;
///
int InsetInInsetY();
///
void ToggleInsetCursor(BufferView *);
///
bool InsertInset(BufferView *, Inset *);
///
UpdatableInset * GetLockingInset();
///
UpdatableInset * GetFirstLockingInsetOfType(Inset::Code);
///
void SetFont(BufferView *, LyXFont const &, bool toggleall = false);
///
void init(Buffer *, InsetText const * ins = 0);
///
void SetParagraphData(LyXParagraph *);
///
void SetAutoBreakRows(bool);
///
void SetDrawLockedFrame(bool);
///
void SetFrameColor(LColor::color);
///
void computeTextRows(Painter &) const;
LyXParagraph * par;
protected:
///
void UpdateLocal(BufferView *, bool);
///
void WriteParagraphData(std::ostream &) const;
///
void resetPos(Painter &) const;
///
void drawSelection(Painter &, int pos, int baseline, float x);
///
void SingleHeight(Painter &, LyXParagraph * par,int pos,
int & asc, int & desc) const;
///
int SingleWidth(Painter &, LyXParagraph * par, int pos) const;
///
LyXFont GetFont(LyXParagraph * par, int pos) const;
///
virtual LyXFont GetDrawFont(LyXParagraph * par, int pos) const;
///
virtual int getMaxTextWidth(Painter &, UpdatableInset const *) const;
Buffer * buffer;
///
LyXFont current_font;
///
LyXFont real_current_font;
///
mutable int maxAscent;
///
mutable int maxDescent;
///
mutable int insetWidth;
///
mutable int drawTextXOffset;
mutable int drawTextYOffset;
///
bool autoBreakRows;
bool drawLockedFrame;
///
LColor::color frame_color;
private:
///
void drawRowSelection(Painter &, int startpos, int endpos, int row,
int baseline, float x) const;
///
void drawRowText(Painter &, int startpos, int endpos, int baseline,
float x) const;
///
void computeBaselines(int) const;
///
int BeginningOfMainBody(LyXParagraph * par) const;
///
void ShowInsetCursor(BufferView *);
///
void HideInsetCursor(BufferView *);
///
void setPos(Painter &, int x, int y) const;
///
UpdatableInset::RESULT moveRight(BufferView *, bool activate_inset = true);
UpdatableInset::RESULT moveLeft(BufferView *, bool activate_inset = true);
UpdatableInset::RESULT moveUp(BufferView *);
UpdatableInset::RESULT moveDown(BufferView *);
bool Delete();
bool cutSelection();
bool copySelection();
bool pasteSelection();
///
bool hasSelection() const
{ return (selection_start_cursor != selection_end_cursor); }
///
void SetCharFont(int pos, LyXFont const & font);
///
string getText(int);
///
bool checkAndActivateInset(BufferView * bv, int x = 0, int y = 0,
int button = 0);
/* Private structures and variables */
///
bool locked;
///
int inset_pos;
///
mutable int inset_x;
///
mutable int inset_y;
///
int interline_space;
///
LyXCursor selection_start_cursor;
///
LyXCursor selection_end_cursor;
///
mutable LyXCursor cursor;
///
mutable LyXCursor old_cursor;
///
mutable int actrow;
///
bool no_selection;
///
mutable float xpos;
///
mutable bool init_inset;
///
UpdatableInset * the_locking_inset;
///
struct row_struct {
///
int asc;
///
int desc;
///
int pos;
///
int baseline;
};
///
typedef std::vector<row_struct> RowList;
///
mutable RowList rows;
InsetText & operator = (InsetText const & it) {
par = it.par;
buffer = it.buffer; // suspect
current_font = it.current_font;
real_current_font = it.real_current_font;
maxAscent = it.maxAscent;
maxDescent = it.maxDescent;
insetWidth = it.insetWidth;
inset_pos = it.inset_pos;
inset_x = it.inset_x;
inset_y = it.inset_y;
interline_space = it.interline_space;
selection_start_cursor = selection_end_cursor = cursor = it.cursor;
actrow = it.actrow;
no_selection = it.no_selection;
the_locking_inset = it.the_locking_inset; // suspect
rows = it.rows;
return * this;
}
};
#endif