/*-*- c++ -*-********************************************************
- * wxLayoutList.h - a formatted text rendering engine for wxWindows *
+ * wxLayoutList.h - a formatted text rendering engine for wxWidgets *
* *
* (C) 1999-2000 by Karsten Ballüder (ballueder@gmx.net) *
* *
#include "kbList.h"
-#include <wx/wx.h>
-#include <wx/print.h>
-#include <wx/printdlg.h>
-#include <wx/generic/printps.h>
-#include <wx/generic/prntdlgg.h>
-#include <wx/dataobj.h>
+#include "wx/wx.h"
+#include "wx/print.h"
+#include "wx/printdlg.h"
+#include "wx/generic/printps.h"
+#include "wx/generic/prntdlgg.h"
+#include "wx/dataobj.h"
// skip the following defines if embedded in M application
#ifndef M_BASEDIR
# include "MObject.h"
#endif
-// use the wxWindows caret class instead of home grown cursor whenever possible
+// use the wxWidgets caret class instead of home grown cursor whenever possible
#ifdef __WXMSW__
# undef WXLAYOUT_USE_CARET
# define WXLAYOUT_USE_CARET 1
/// Types of currently supported layout objects.
enum wxLayoutObjectType
{
- /// illegal object type, should never appear
- WXLO_TYPE_INVALID = 0,
- /// text object, containing normal text
- WXLO_TYPE_TEXT,
- /// command object, containing font or colour changes
- WXLO_TYPE_CMD,
- /// icon object, any kind of image
- WXLO_TYPE_ICON,
- /// a linebreak, does not exist as an object
- WXLO_TYPE_LINEBREAK
+ /// illegal object type, should never appear
+ WXLO_TYPE_INVALID = 0,
+
+ /// text object, containing normal text
+ WXLO_TYPE_TEXT,
+
+ /// command object, containing font or colour changes
+ WXLO_TYPE_CMD,
+
+ /// icon object, any kind of image
+ WXLO_TYPE_ICON,
+
+ /// a linebreak, does not exist as an object
+ WXLO_TYPE_LINEBREAK
};
/// Type used for coordinates in drawing. Must be signed.
#endif
{
public:
- /** This structure can be used to contain data associated with the
- object.
- It is refcounted, so the caller has to do a DecRef() on it
- instead of a delete.
- */
- struct UserData
- {
- UserData() { m_refcount = 1; }
- inline void IncRef(void) { m_refcount++; }
- inline void DecRef(void) { m_refcount--; if(m_refcount == 0) delete this;}
- inline void SetLabel(const wxString &l) { m_label = l; }
- inline const wxString & GetLabel(void) const { return m_label; }
- private:
- int m_refcount;
- wxString m_label;
- protected:
- virtual ~UserData() { wxASSERT(m_refcount == 0); }
- /// prevents gcc from generating stupid warnings
- friend class dummy_UserData;
- };
-
- /// return the type of this object
- virtual wxLayoutObjectType GetType(void) const { return WXLO_TYPE_INVALID; }
- /** Calculates the size of an object.
- @param dc the wxDC to draw on
- @param llist the wxLayoutList
- */
- virtual void Layout(wxDC &dc, wxLayoutList *llist) = 0;
-
- /** Draws an object.
- @param dc the wxDC to draw on
- @param coords where to draw the baseline of the object.
- @param wxllist pointer to wxLayoutList
- @param begin if !=-1, from which position on to highlight it
- @param end if begin !=-1, how many positions to highlight it
- */
- virtual void Draw(wxDC & /* dc */,
- wxPoint const & /* coords */,
- wxLayoutList *wxllist,
- CoordType begin = -1,
- CoordType end = -1) { }
-
- /** Calculates and returns the size of the object.
- @param top where to store height above baseline
- @param bottom where to store height below baseline
- @return the size of the object's box in pixels
- */
- virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const
- { *top = 0; *bottom = 0; return wxPoint(0,0); }
-
- /// Return just the width of the object on the screen.
- virtual CoordType GetWidth(void) const { return 0; }
- /// returns the number of cursor positions occupied by this object
- virtual CoordType GetLength(void) const { return 1; }
- /** Returns the cursor offset relating to the screen x position
- relative to begin of object.
- @param dc the wxDC to use for calculations
- @param xpos relative x position from head of object
- @return cursor coordinate offset
- */
- virtual CoordType GetOffsetScreen(wxDC &dc, CoordType xpos) const { return 0; }
-
- /// constructor
- wxLayoutObject() { m_UserData = NULL; }
- /// delete the user data
- virtual ~wxLayoutObject() { if(m_UserData) m_UserData->DecRef(); }
+ /** This structure can be used to contain data associated with the
+ object.
+ It is refcounted, so the caller has to do a DecRef() on it
+ instead of a delete.
+ */
+ struct UserData
+ {
+ UserData() { m_refcount = 1; }
+ inline void IncRef() { m_refcount++; }
+ inline void DecRef() { m_refcount--; if(m_refcount == 0) delete this;}
+ inline void SetLabel(const wxString &l) { m_label = l; }
+ inline const wxString & GetLabel() const { return m_label; }
+ private:
+ int m_refcount;
+ wxString m_label;
+ protected:
+ virtual ~UserData() { wxASSERT(m_refcount == 0); }
+ /// prevents gcc from generating stupid warnings
+ friend class dummy_UserData;
+ };
+
+ /// return the type of this object
+ virtual wxLayoutObjectType GetType() const { return WXLO_TYPE_INVALID; }
+ /** Calculates the size of an object.
+ @param dc the wxDC to draw on
+ @param llist the wxLayoutList
+ */
+ virtual void Layout(wxDC &dc, wxLayoutList *llist) = 0;
+
+ /** Draws an object.
+ @param dc the wxDC to draw on
+ @param coords where to draw the baseline of the object.
+ @param wxllist pointer to wxLayoutList
+ @param begin if !=-1, from which position on to highlight it
+ @param end if begin !=-1, how many positions to highlight it
+ */
+ virtual void Draw(wxDC & /* dc */,
+ wxPoint const & /* coords */,
+ wxLayoutList *WXUNUSED(wxllist),
+ CoordType WXUNUSED(begin) = -1,
+ CoordType WXUNUSED(end) = -1) { }
+
+ /** Calculates and returns the size of the object.
+ @param top where to store height above baseline
+ @param bottom where to store height below baseline
+ @return the size of the object's box in pixels
+ */
+ virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const
+ { *top = 0; *bottom = 0; return wxPoint(0,0); }
+
+ /// Return just the width of the object on the screen.
+ virtual CoordType GetWidth() const { return 0; }
+
+ /// returns the number of cursor positions occupied by this object
+ virtual CoordType GetLength() const { return 1; }
+
+ /** Returns the cursor offset relating to the screen x position
+ relative to begin of object.
+ @param dc the wxDC to use for calculations
+ @param xpos relative x position from head of object
+ @return cursor coordinate offset
+ */
+ virtual CoordType GetOffsetScreen( wxDC & WXUNUSED(dc),
+ CoordType WXUNUSED(xpos) ) const
+ {
+ return 0;
+ }
+
+ /// constructor
+ wxLayoutObject() { m_UserData = NULL; }
+
+ /// delete the user data
+ virtual ~wxLayoutObject() { if(m_UserData) m_UserData->DecRef(); }
#ifdef WXLAYOUT_DEBUG
- virtual wxString DebugDump(void) const;
+ virtual wxString DebugDump() const;
#endif
- /** Tells the object about some user data. This data is associated
- with the object and will be deleted at destruction time.
- It is reference counted.
- */
- void SetUserData(UserData *data)
- {
- if(m_UserData)
+ /** Tells the object about some user data. This data is associated
+ with the object and will be deleted at destruction time.
+ It is reference counted.
+ */
+ void SetUserData(UserData *data)
+ {
+ if(m_UserData)
m_UserData->DecRef();
- m_UserData = data;
- if(m_UserData)
+
+ m_UserData = data;
+
+ if(m_UserData)
m_UserData->IncRef();
- }
+ }
- /** Return the user data.
- Increments the object's reference count. When no longer needed,
- caller must call DecRef() on the pointer returned.
- */
- UserData * GetUserData(void) const { if(m_UserData) m_UserData->IncRef(); return m_UserData; }
+ /** Return the user data.
+ Increments the object's reference count. When no longer needed,
+ caller must call DecRef() on the pointer returned.
+ */
+ UserData * GetUserData() const { if(m_UserData) m_UserData->IncRef(); return m_UserData; }
- /** Makes a copy of this object.
+ /** Makes a copy of this object.
*/
- virtual wxLayoutObject *Copy(void) = 0;
+ virtual wxLayoutObject *Copy() = 0;
+
+ /** Clipboard support function. Read and write objects to
+ strings. */
+ //@{
+ /// Writes the object to the string.
+ virtual void Write(wxString &ostr) = 0;
- /** Clipboard support function. Read and write objects to
- strings. */
- //@{
- /// Writes the object to the string.
- virtual void Write(wxString &ostr) = 0;
- /** Reads an object.
- @param str stream to read from, will bee changed
- @return true on success
- */
- static wxLayoutObject *Read(wxString &istr);
- //@}
+ /** Reads an object.
+ @param str stream to read from, will bee changed
+ @return true on success
+ */
+ static wxLayoutObject *Read(wxString &istr);
+ //@}
- /// returns TRUE if the object is shown on the screen (i.e. not cmd object)
- bool IsVisibleObject() const { return GetType() != WXLO_TYPE_CMD; }
+ /// returns true if the object is shown on the screen (i.e. not cmd object)
+ bool IsVisibleObject() const { return GetType() != WXLO_TYPE_CMD; }
protected:
- /// optional data for application's use
- UserData *m_UserData;
+ /// optional data for application's use
+ UserData *m_UserData;
#if defined (M_BASEDIR) && defined (DEBUG)
- MOBJECT_NAME(wxLayoutObject)
+ MOBJECT_NAME(wxLayoutObject)
#endif
};
/// Define a list type of wxLayoutObject pointers.
KBLIST_DEFINE(wxLayoutObjectList, wxLayoutObject);
-/// An illegal iterator to save typing.
-#define NULLIT (wxLayoutObjectList::iterator(NULL))
/// The iterator type.
typedef wxLayoutObjectList::iterator wxLOiterator;
class wxLayoutObjectText : public wxLayoutObject
{
public:
- wxLayoutObjectText(const wxString &txt = "");
-
- virtual wxLayoutObjectType GetType(void) const { return WXLO_TYPE_TEXT; }
- virtual void Layout(wxDC &dc, wxLayoutList *llist);
- virtual void Draw(wxDC &dc, wxPoint const &coords,
- wxLayoutList *wxllist,
- CoordType begin = -1,
- CoordType end = -1);
- /** Calculates and returns the size of the object.
- @param top where to store height above baseline
- @param bottom where to store height below baseline
- @return the size of the object's box in pixels
- */
- virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const;
- /// Return just the width of the object on the screen.
- virtual CoordType GetWidth(void) const { return m_Width; }
- /** Returns the cursor offset relating to the screen x position
- relative to begin of object.
- @param dc the wxDC to use for calculations
- @param xpos relative x position from head of object
- @return cursor coordinate offset
- */
- virtual CoordType GetOffsetScreen(wxDC &dc, CoordType xpos) const;
-
- virtual void Write(wxString &ostr);
- static wxLayoutObjectText *Read(wxString &istr);
+ wxLayoutObjectText(const wxString &txt = wxEmptyString);
+
+ virtual wxLayoutObjectType GetType() const { return WXLO_TYPE_TEXT; }
+ virtual void Layout(wxDC &dc, wxLayoutList *llist);
+ virtual void Draw(wxDC &dc, wxPoint const &coords,
+ wxLayoutList *wxllist,
+ CoordType begin = -1,
+ CoordType end = -1);
+
+ /** Calculates and returns the size of the object.
+ @param top where to store height above baseline
+ @param bottom where to store height below baseline
+ @return the size of the object's box in pixels
+ */
+ virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const;
+
+ /// Return just the width of the object on the screen.
+ virtual CoordType GetWidth() const { return m_Width; }
+
+ /** Returns the cursor offset relating to the screen x position
+ relative to begin of object.
+ @param dc the wxDC to use for calculations
+ @param xpos relative x position from head of object
+ @return cursor coordinate offset
+ */
+ virtual CoordType GetOffsetScreen(wxDC &dc, CoordType xpos) const;
+
+ virtual void Write(wxString &ostr);
+ static wxLayoutObjectText *Read(wxString &istr);
#ifdef WXLAYOUT_DEBUG
- virtual wxString DebugDump(void) const;
+ virtual wxString DebugDump() const;
#endif
- virtual CoordType GetLength(void) const { return wxStrlen(m_Text.c_str()); }
+ virtual CoordType GetLength() const { return wxStrlen(m_Text.c_str()); }
- // for editing:
- wxString & GetText(void) { return m_Text; }
- void SetText(wxString const &text) { m_Text = text; }
- /** Makes a copy of this object.
+ // for editing:
+ wxString & GetText() { return m_Text; }
+
+ void SetText(wxString const &text) { m_Text = text; }
+ /** Makes a copy of this object.
*/
- virtual wxLayoutObject *Copy(void);
+ virtual wxLayoutObject *Copy();
+
private:
- wxString m_Text;
- /// size of the box containing text
- long m_Width, m_Height;
- /// Height above baseline.
- long m_Top;
- /// Height below baseline.
- long m_Bottom;
+ wxString m_Text;
+
+ /// size of the box containing text
+ long m_Width, m_Height;
+
+ /// Height above baseline.
+ long m_Top;
+
+ /// Height below baseline.
+ long m_Bottom;
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
class wxLayoutObjectIcon : public wxLayoutObject
{
public:
- wxLayoutObjectIcon(wxBitmap *icon = NULL);
- wxLayoutObjectIcon(wxBitmap const &icon);
-
- ~wxLayoutObjectIcon() { if(m_Icon) delete m_Icon; }
-
- virtual wxLayoutObjectType GetType(void) const { return WXLO_TYPE_ICON; }
- virtual void Layout(wxDC &dc, wxLayoutList *llist);
- virtual void Draw(wxDC &dc, wxPoint const &coords,
- wxLayoutList *wxllist,
- CoordType begin = -1,
- CoordType end = -1);
-
- /** Calculates and returns the size of the object.
- @param top where to store height above baseline
- @param bottom where to store height below baseline
- @return the size of the object's box in pixels
- */
- virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const;
- /// Return just the width of the object on the screen.
- virtual CoordType GetWidth(void) const { return m_Icon->GetWidth(); }
- // return a pointer to the icon
- wxBitmap *GetIcon(void) const { return m_Icon; }
- /** Makes a copy of this object.
- */
- virtual wxLayoutObject *Copy(void);
- virtual void Write(wxString &ostr);
- static wxLayoutObjectIcon *Read(wxString &istr);
+ wxLayoutObjectIcon(wxBitmap *icon = NULL);
+ wxLayoutObjectIcon(wxBitmap const &icon);
+
+ ~wxLayoutObjectIcon() { if(m_Icon) delete m_Icon; }
+
+ virtual wxLayoutObjectType GetType() const { return WXLO_TYPE_ICON; }
+ virtual void Layout(wxDC &dc, wxLayoutList *llist);
+ virtual void Draw(wxDC &dc, wxPoint const &coords,
+ wxLayoutList *wxllist,
+ CoordType begin = -1,
+ CoordType end = -1);
+
+ /** Calculates and returns the size of the object.
+ @param top where to store height above baseline
+ @param bottom where to store height below baseline
+ @return the size of the object's box in pixels
+ */
+ virtual wxPoint GetSize(CoordType * top, CoordType *bottom) const;
+
+ /// Return just the width of the object on the screen.
+ virtual CoordType GetWidth() const { return m_Icon->GetWidth(); }
+
+ // return a pointer to the icon
+ wxBitmap *GetIcon() const { return m_Icon; }
+
+ /** Makes a copy of this object.
+ */
+ virtual wxLayoutObject *Copy();
+ virtual void Write(wxString &ostr);
+ static wxLayoutObjectIcon *Read(wxString &istr);
+
private:
- wxBitmap *m_Icon;
+ wxBitmap *m_Icon;
};
/** This structure holds all formatting information.
*/
struct wxLayoutStyleInfo
{
- wxLayoutStyleInfo(int ifamily = -1,
- int isize = -1,
- int istyle = -1,
- int iweight = -1,
- int iul = -1,
- wxColour *fg = NULL,
- wxColour *bg = NULL);
- wxLayoutStyleInfo & operator=(const wxLayoutStyleInfo &right);
-
- wxColour & GetBGColour() { return m_bg; }
-
- /// Font change parameters.
- int size, family, style, weight, underline;
- /// Colours
- wxColour m_bg, m_fg;
- int m_fg_valid, m_bg_valid; // bool, but must be int!
+ wxLayoutStyleInfo(int ifamily = -1,
+ int isize = -1,
+ int istyle = -1,
+ int iweight = -1,
+ int iul = -1,
+ wxColour *fg = NULL,
+ wxColour *bg = NULL);
+
+ wxLayoutStyleInfo & operator=(const wxLayoutStyleInfo &right);
+
+ wxColour & GetBGColour() { return m_bg; }
+
+ /// Font change parameters.
+ int size, family, style, weight, underline;
+
+ /// Colours
+ wxColour m_bg, m_fg;
+ int m_fg_valid, m_bg_valid; // bool, but must be int!
};
/// a cached font
class wxFontCacheEntry
{
public:
- wxFontCacheEntry(int family, int size, int style, int weight,
- bool underline)
- {
- m_Family = family; m_Size = size; m_Style = style;
- m_Weight = weight; m_Underline = underline;
- m_Font = new wxFont(m_Size, m_Family,
- m_Style, m_Weight, m_Underline);
- }
- bool Matches(int family, int size, int style, int weight,
- bool underline) const
- {
- return size == m_Size && family == m_Family
+ wxFontCacheEntry(int family, int size, int style, int weight,
+ bool underline)
+ {
+ m_Family = family; m_Size = size; m_Style = style;
+ m_Weight = weight; m_Underline = underline;
+ m_Font = new wxFont(m_Size, m_Family,
+ m_Style, m_Weight, m_Underline);
+ }
+
+ bool Matches(int family, int size, int style, int weight,
+ bool underline) const
+ {
+ return size == m_Size && family == m_Family
&& style == m_Style && weight == m_Weight
&& underline == m_Underline;
- }
- wxFont & GetFont(void) { return *m_Font; }
- ~wxFontCacheEntry()
- {
- delete m_Font;
- }
+ }
+
+ wxFont & GetFont() { return *m_Font; }
+ ~wxFontCacheEntry()
+ {
+ delete m_Font;
+ }
+
private:
- wxFont *m_Font;
+ wxFont *m_Font;
- // VZ: I wonder why it doesn't use wxLayoutStyleInfo instead of those?
- int m_Family, m_Size, m_Style, m_Weight;
- bool m_Underline;
+ // VZ: I wonder why it doesn't use wxLayoutStyleInfo instead of those?
+ int m_Family, m_Size, m_Style, m_Weight;
+ bool m_Underline;
};
KBLIST_DEFINE(wxFCEList, wxFontCacheEntry);
class wxFontCache
{
public:
- wxFont & GetFont(int family, int size, int style, int weight,
- bool underline);
- wxFont & GetFont(wxLayoutStyleInfo const &si)
- {
- return GetFont(si.family, si.size, si.style, si.weight,
- si.underline != 0);
- }
+ wxFont & GetFont(int family, int size, int style, int weight,
+ bool underline);
+
+ wxFont & GetFont(wxLayoutStyleInfo const &si)
+ {
+ return GetFont(si.family, si.size, si.style, si.weight,
+ si.underline != 0);
+ }
+
private:
- wxFCEList m_FontList;
+ wxFCEList m_FontList;
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
class wxLayoutObjectCmd : public wxLayoutObject
{
public:
- virtual wxLayoutObjectType GetType(void) const { return WXLO_TYPE_CMD; }
- virtual void Layout(wxDC &dc, wxLayoutList *llist);
- virtual void Draw(wxDC &dc, wxPoint const &coords,
- wxLayoutList *wxllist,
- CoordType begin = -1,
- CoordType end = -1);
- wxLayoutObjectCmd(int family = -1,
- int size = -1,
- int style = -1,
- int weight = -1,
- int underline = -1,
- wxColour *fg = NULL,
- wxColour *bg = NULL);
- wxLayoutObjectCmd(const wxLayoutStyleInfo &si);
- ~wxLayoutObjectCmd();
- /** Stores the current style in the styleinfo structure */
- wxLayoutStyleInfo * GetStyle(void) const;
- /** Makes a copy of this object.
- */
- virtual wxLayoutObject *Copy(void);
- virtual void Write(wxString &ostr);
- static wxLayoutObjectCmd *Read(wxString &istr);
+ virtual wxLayoutObjectType GetType() const { return WXLO_TYPE_CMD; }
+ virtual void Layout(wxDC &dc, wxLayoutList *llist);
+ virtual void Draw(wxDC &dc, wxPoint const &coords,
+ wxLayoutList *wxllist,
+ CoordType begin = -1,
+ CoordType end = -1);
+
+ wxLayoutObjectCmd(int family = -1,
+ int size = -1,
+ int style = -1,
+ int weight = -1,
+ int underline = -1,
+ wxColour *fg = NULL,
+ wxColour *bg = NULL);
+
+ wxLayoutObjectCmd(const wxLayoutStyleInfo &si);
+ ~wxLayoutObjectCmd();
+ /** Stores the current style in the styleinfo structure */
+ wxLayoutStyleInfo * GetStyle() const;
+ /** Makes a copy of this object.
+ */
+ virtual wxLayoutObject *Copy();
+ virtual void Write(wxString &ostr);
+ static wxLayoutObjectCmd *Read(wxString &istr);
+
private:
- wxLayoutStyleInfo *m_StyleInfo;
+ wxLayoutStyleInfo *m_StyleInfo;
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
class wxLayoutLine
{
public:
- /** Constructor.
- @param prev pointer to previous line or NULL
- @param next pointer to following line or NULL
- @param llist pointer to layout list
- */
- wxLayoutLine(wxLayoutLine *prev, wxLayoutList *llist);
- /** This function inserts a new object at cursor position xpos.
- @param xpos where to insert new object
- @param obj the object to insert
- @return true if that xpos existed and the object was inserted
- */
- bool Insert(CoordType xpos, wxLayoutObject *obj);
-
- /** This function inserts text at cursor position xpos.
- @param xpos where to insert
- @param text the text to insert
- @return true if that xpos existed and the object was inserted
- */
- bool Insert(CoordType xpos, const wxString& text);
-
- /** This function appends an object to the line.
- @param obj the object to insert
- */
- void Append(wxLayoutObject * obj)
- {
- wxASSERT(obj);
- m_ObjectList.push_back(obj);
- m_Length += obj->GetLength();
- }
-
- /** This function prepends an object to the line. */
- void Prepend(wxLayoutObject * obj)
- {
- wxASSERT(obj);
- m_ObjectList.push_front(obj);
- m_Length += obj->GetLength();
- }
-
- /** This function appens the next line to this, i.e. joins the two
- lines into one.
- */
- void MergeNextLine(wxLayoutList *llist);
-
- /** This function deletes npos cursor positions from position xpos.
- @param xpos where to delete
- @param npos how many positions
- @return number of positions still to be deleted
- */
- CoordType Delete(CoordType xpos, CoordType npos);
-
- /** This function breaks the line at a given cursor position.
- @param xpos where to break it
- @return pointer to the new line object replacing the old one
- */
- wxLayoutLine *Break(CoordType xpos, wxLayoutList *llist);
-
- /** This function wraps the line: breaks it at a suitable point
- and merges it with the next.
- @param wrapmargin
- @return TRUE if broken
- */
- bool Wrap(CoordType wrapmargin, wxLayoutList *llist);
-
- /** Deletes the next word from this position, including leading
- whitespace.
- This function does not delete over font changes, i.e. a word
- with formatting instructions in the middle of it is treated as
- two (three actually!) words. In fact, if the cursor is on a non-text object, that
- one is treated as a word.
- @param xpos from where to delete
- @return true if a word was deleted
- */
- bool DeleteWord(CoordType npos);
-
- /** Finds a suitable position left to the given column to break the
- line.
- @param column we want to break the line to the left of this
- @return column for breaking line or -1 if no suitable location found
- */
- CoordType GetWrapPosition(CoordType column);
-
- /** Finds the object which covers the cursor position xpos in this
- line.
- @param xpos the column number
- @param offset where to store the difference between xpos and
- the object's head
- @return iterator to the object or NULLIT
- */
- wxLayoutObjectList::iterator FindObject(CoordType xpos, CoordType
- *offset) const ;
-
- /** Finds the object which covers the screen position xpos in this
- line.
- @param dc the wxDC to use for calculations
- @param llist the layout list to which this line belongs
- @param xpos the screen x coordinate
- @param offset where to store the difference between xpos and
- the object's head
- @return iterator to the object or NULLIT
- */
- wxLayoutObjectList::iterator FindObjectScreen(wxDC &dc,
- wxLayoutList *llist,
- CoordType xpos,
- CoordType *offset,
- bool *found = NULL) const ;
-
- /** Finds text in this line.
- @param needle the text to find
- @param xpos the position where to start the search
- @return the cursoor coord where it was found or -1
- */
- CoordType FindText(const wxString &needle, CoordType xpos = 0) const;
-
- /** Get the first object in the list. This is used by the wxlparser
- functions to export the list.
- @return iterator to the first object
- */
- wxLayoutObjectList::iterator GetFirstObject(void) const
- {
- return m_ObjectList.begin();
- }
-
- /** Get the last object in the list.
- */
- wxLayoutObjectList::iterator GetLastObject(void) const
- {
- return m_ObjectList.tail();
- }
-
- /** Deletes this line, returns pointer to next line.
- @param update If true, update all following lines.
- */
- wxLayoutLine *DeleteLine(bool update, wxLayoutList *llist);
-
- /**@name Cursor Management */
- //@{
- /** Return the line number of this line.
- @return the line number
- */
- inline CoordType GetLineNumber(void) const { return m_LineNumber; }
- /** Return the length of the line.
- @return line lenght in cursor positions
- */
- inline CoordType GetLength(void) const { return m_Length; }
- //@}
-
- /**@name Drawing and Layout */
- //@{
- /** Draws the line on a wxDC.
- @param dc the wxDC to draw on
- @param llist the wxLayoutList
- @param offset an optional offset to shift printout
- */
- void Draw(wxDC &dc,
- wxLayoutList *llist,
- const wxPoint &offset = wxPoint(0,0)) const;
-
- /** Recalculates the positions of objects and the height of the
- line.
- @param dc the wxDC to draw on
- @param llist th e wxLayoutList
- @param cursorPos if not NULL, set cursor screen position in there
- @param cursorSize if not cursorPos != NULL, set cursor size in there
- @param cursorStyle if non NULL where to store styleinfo for cursor pos
- @param cx if cursorPos != NULL, the cursor x position
- @param suppressStyleUpdate FALSe normally, only to suppress updating of m_StyleInfo
- */
- void Layout(wxDC &dc,
- wxLayoutList *llist,
- wxPoint *cursorPos = NULL,
- wxPoint *cursorSize = NULL,
- wxLayoutStyleInfo *cursorStyle = NULL,
- int cx = 0,
- bool suppressStyleUpdate = FALSE);
- /** This function finds an object belonging to a given cursor
- position. It assumes that Layout() has been called before.
- @param dc the wxDC to use for calculations
- @param xpos screen x position
- @param found if non-NULL set to false if we return the last
- object before the cursor, to true if we really have an object
- for that position
- @return pointer to the object
- */
- wxLayoutObject * FindObjectScreen(wxDC &dc,
- CoordType xpos,
- bool *found = NULL);
- /** This sets the style info for the beginning of this line.
- @param si styleinfo structure
- */
- void ApplyStyle(const wxLayoutStyleInfo &si)
- { m_StyleInfo = si; }
-
- //@}
-
- /**@name List traversal */
- //@{
- /// Returns pointer to next line.
- wxLayoutLine *GetNextLine(void) const { return m_Next; }
- /// Returns pointer to previous line.
- wxLayoutLine *GetPreviousLine(void) const { return m_Previous; }
- /// Sets the link to the next line.
- void SetNext(wxLayoutLine *next)
- { m_Next = next; if(next) next->m_Previous = this; }
- /// Sets the link to the previous line.
- void SetPrevious(wxLayoutLine *previous)
- { m_Previous = previous; if(previous) previous->m_Next = this; }
- //@}
-
- /// Returns the position of this line on the canvas.
- wxPoint GetPosition(void) const { return m_Position; }
- /// Returns the height of this line.
- CoordType GetHeight(void) const { return m_Height; }
- /// Returns the width of this line.
- CoordType GetWidth(void) const { return m_Width; }
- /// Recalculates the position of this line on the canvas.
- wxPoint RecalculatePosition(wxLayoutList *llist);
-
- /** Copies the contents of this line to another wxLayoutList
- @param llist the wxLayoutList destination
- @param from x cursor coordinate where to start
- @param to x cursor coordinate where to stop, -1 for end of line
- */
- void Copy(wxLayoutList *llist,
- CoordType from = 0,
- CoordType to = -1);
+ /** Constructor.
+ @param prev pointer to previous line or NULL
+ @param next pointer to following line or NULL
+ @param llist pointer to layout list
+ */
+ wxLayoutLine(wxLayoutLine *prev, wxLayoutList *llist);
+ /** This function inserts a new object at cursor position xpos.
+ @param xpos where to insert new object
+ @param obj the object to insert
+ @return true if that xpos existed and the object was inserted
+ */
+ bool Insert(CoordType xpos, wxLayoutObject *obj);
+
+ /** This function inserts text at cursor position xpos.
+ @param xpos where to insert
+ @param text the text to insert
+ @return true if that xpos existed and the object was inserted
+ */
+ bool Insert(CoordType xpos, const wxString& text);
+
+ /** This function appends an object to the line.
+ @param obj the object to insert
+ */
+ void Append(wxLayoutObject * obj)
+ {
+ wxASSERT(obj);
+ m_ObjectList.push_back(obj);
+ m_Length += obj->GetLength();
+ }
+
+ /** This function prepends an object to the line. */
+ void Prepend(wxLayoutObject * obj)
+ {
+ wxASSERT(obj);
+ m_ObjectList.push_front(obj);
+ m_Length += obj->GetLength();
+ }
+
+ /** This function appens the next line to this, i.e. joins the two
+ lines into one.
+ */
+ void MergeNextLine(wxLayoutList *llist);
+
+ /** This function deletes npos cursor positions from position xpos.
+ @param xpos where to delete
+ @param npos how many positions
+ @return number of positions still to be deleted
+ */
+ CoordType Delete(CoordType xpos, CoordType npos);
+
+ /** This function breaks the line at a given cursor position.
+ @param xpos where to break it
+ @return pointer to the new line object replacing the old one
+ */
+ wxLayoutLine *Break(CoordType xpos, wxLayoutList *llist);
+
+ /** This function wraps the line: breaks it at a suitable point
+ and merges it with the next.
+ @param wrapmargin
+ @return true if broken
+ */
+ bool Wrap(CoordType wrapmargin, wxLayoutList *llist);
+
+ /** Deletes the next word from this position, including leading
+ whitespace.
+ This function does not delete over font changes, i.e. a word
+ with formatting instructions in the middle of it is treated as
+ two (three actually!) words. In fact, if the cursor is on a non-text object, that
+ one is treated as a word.
+ @param xpos from where to delete
+ @return true if a word was deleted
+ */
+ bool DeleteWord(CoordType npos);
+
+ /** Finds a suitable position left to the given column to break the
+ line.
+ @param column we want to break the line to the left of this
+ @return column for breaking line or -1 if no suitable location found
+ */
+ CoordType GetWrapPosition(CoordType column);
+
+ /** Finds the object which covers the cursor position xpos in this
+ line.
+ @param xpos the column number
+ @param offset where to store the difference between xpos and
+ the object's head
+ @return iterator to the object or iterator to NULL
+ */
+ wxLayoutObjectList::iterator FindObject(CoordType xpos, CoordType
+ *offset) const ;
+
+ /** Finds the object which covers the screen position xpos in this
+ line.
+ @param dc the wxDC to use for calculations
+ @param llist the layout list to which this line belongs
+ @param xpos the screen x coordinate
+ @param offset where to store the difference between xpos and
+ the object's head
+ @return iterator to the object or iterator to NULL
+ */
+ wxLayoutObjectList::iterator FindObjectScreen(wxDC &dc,
+ wxLayoutList *llist,
+ CoordType xpos,
+ CoordType *offset,
+ bool *found = NULL) const ;
+
+ /** Finds text in this line.
+ @param needle the text to find
+ @param xpos the position where to start the search
+ @return the cursoor coord where it was found or -1
+ */
+ CoordType FindText(const wxString &needle, CoordType xpos = 0) const;
+
+ /** Get the first object in the list. This is used by the wxlparser
+ functions to export the list.
+ @return iterator to the first object
+ */
+ wxLayoutObjectList::iterator GetFirstObject() const
+ {
+ return m_ObjectList.begin();
+ }
+
+ /// Get the last object in the list.
+ wxLayoutObjectList::iterator GetLastObject() const
+ {
+ return m_ObjectList.tail();
+ }
+
+ /** Deletes this line, returns pointer to next line.
+ @param update If true, update all following lines.
+ */
+ wxLayoutLine *DeleteLine(bool update, wxLayoutList *llist);
+
+ /**@name Cursor Management */
+ //@{
+ /** Return the line number of this line.
+ @return the line number
+ */
+ inline CoordType GetLineNumber() const { return m_LineNumber; }
+
+ /** Return the length of the line.
+ @return line length in cursor positions
+ */
+ inline CoordType GetLength() const { return m_Length; }
+ //@}
+
+ /**@name Drawing and Layout */
+ //@{
+ /** Draws the line on a wxDC.
+ @param dc the wxDC to draw on
+ @param llist the wxLayoutList
+ @param offset an optional offset to shift printout
+ */
+ void Draw(wxDC &dc,
+ wxLayoutList *llist,
+ const wxPoint &offset = wxPoint(0,0)) const;
+
+ /** Recalculates the positions of objects and the height of the
+ line.
+ @param dc the wxDC to draw on
+ @param llist th e wxLayoutList
+ @param cursorPos if not NULL, set cursor screen position in there
+ @param cursorSize if not cursorPos != NULL, set cursor size in there
+ @param cursorStyle if non NULL where to store styleinfo for cursor pos
+ @param cx if cursorPos != NULL, the cursor x position
+ @param suppressStyleUpdate FALSe normally, only to suppress updating of m_StyleInfo
+ */
+ void Layout(wxDC &dc,
+ wxLayoutList *llist,
+ wxPoint *cursorPos = NULL,
+ wxPoint *cursorSize = NULL,
+ wxLayoutStyleInfo *cursorStyle = NULL,
+ int cx = 0,
+ bool suppressStyleUpdate = false);
+
+ /** This function finds an object belonging to a given cursor
+ position. It assumes that Layout() has been called before.
+ @param dc the wxDC to use for calculations
+ @param xpos screen x position
+ @param found if non-NULL set to false if we return the last
+ object before the cursor, to true if we really have an object
+ for that position
+ @return pointer to the object
+ */
+ wxLayoutObject * FindObjectScreen(wxDC &dc,
+ CoordType xpos,
+ bool *found = NULL);
+
+ /** This sets the style info for the beginning of this line.
+ @param si styleinfo structure
+ */
+ void ApplyStyle(const wxLayoutStyleInfo &si)
+ { m_StyleInfo = si; }
+
+ //@}
+
+ /**@name List traversal */
+ //@{
+ /// Returns pointer to next line.
+ wxLayoutLine *GetNextLine() const { return m_Next; }
+
+ /// Returns pointer to previous line.
+ wxLayoutLine *GetPreviousLine() const { return m_Previous; }
+
+ /// Sets the link to the next line.
+ void SetNext(wxLayoutLine *next)
+ { m_Next = next; if(next) next->m_Previous = this; }
+
+ /// Sets the link to the previous line.
+ void SetPrevious(wxLayoutLine *previous)
+ { m_Previous = previous; if(previous) previous->m_Next = this; }
+ //@}
+
+ /// Returns the position of this line on the canvas.
+ wxPoint GetPosition() const { return m_Position; }
+
+ /// Returns the height of this line.
+ CoordType GetHeight() const { return m_Height; }
+
+ /// Returns the width of this line.
+ CoordType GetWidth() const { return m_Width; }
+
+ /// Recalculates the position of this line on the canvas.
+ wxPoint RecalculatePosition(wxLayoutList *llist);
+
+ /** Copies the contents of this line to another wxLayoutList
+ @param llist the wxLayoutList destination
+ @param from x cursor coordinate where to start
+ @param to x cursor coordinate where to stop, -1 for end of line
+ */
+ void Copy(wxLayoutList *llist,
+ CoordType from = 0,
+ CoordType to = -1);
#ifdef WXLAYOUT_DEBUG
- void Debug(void) const;
+ void Debug() const;
#endif
- wxLayoutStyleInfo const & GetStyleInfo() const { return m_StyleInfo; }
-
- /// Returns dirty state
- bool IsDirty(void) const { return m_Dirty; }
- /** Marks this line as diry.
- @param left xpos from where it is dirty or -1 for all
- */
- void MarkDirty(CoordType left = -1)
- {
- if ( left != -1 )
- {
- if ( m_updateLeft == -1 || left < m_updateLeft )
- m_updateLeft = left;
- }
-
- m_Dirty = true;
- if(m_Next) m_Next->MarkDirty();
- }
- /// Reset the dirty flag
- void MarkClean() { m_Dirty = false; m_updateLeft = -1; }
+ wxLayoutStyleInfo const & GetStyleInfo() const { return m_StyleInfo; }
+
+ /// Returns dirty state
+ bool IsDirty() const { return m_Dirty; }
+
+ /** Marks this line as diry.
+ @param left xpos from where it is dirty or -1 for all
+ */
+ void MarkDirty(CoordType left = -1)
+ {
+ if ( left != -1 )
+ {
+ if ( m_updateLeft == -1 || left < m_updateLeft )
+ m_updateLeft = left;
+ }
+
+ m_Dirty = true;
+ if(m_Next) m_Next->MarkDirty();
+ }
+
+ /// Reset the dirty flag
+ void MarkClean() { m_Dirty = false; m_updateLeft = -1; }
private:
- /// Destructor is private. Use DeleteLine() to remove it.
- ~wxLayoutLine();
-
- /**@name Functions to let the lines synchronise with each other. */
- //@{
- /** Sets the height of this line. Will mark following lines as
- dirty.
- @param height new height
- */
- void SetHeight(CoordType height, wxLayoutList *llist)
- { m_Height = height; MarkDirty(); }
-
- /** Updates the line numbers. */
- void ReNumber(void);
- //@}
+ /// Destructor is private. Use DeleteLine() to remove it.
+ ~wxLayoutLine(){};
+
+ /**@name Functions to let the lines synchronise with each other. */
+ //@{
+ /** Sets the height of this line. Will mark following lines as
+ dirty.
+ @param height new height
+ */
+ void SetHeight( CoordType height, wxLayoutList * WXUNUSED(llist) )
+ {
+ m_Height = height; MarkDirty();
+ }
+
+ /** Updates the line numbers. */
+ void ReNumber();
+ //@}
+
private:
- /// The line number.
- CoordType m_LineNumber;
- /// The line length in cursor positions.
- CoordType m_Length;
- /// The total height of the line.
- CoordType m_Height;
- /// The total width of the line on screen.
- CoordType m_Width;
- /// The baseline for drawing objects
- CoordType m_BaseLine;
- /// The position on the canvas.
- wxPoint m_Position;
- /// The list of objects
- wxLayoutObjectList m_ObjectList;
- /// Have we been changed since the last layout?
- bool m_Dirty;
- /// The coordinate of the left boundary of the update rectangle (if m_Dirty)
- CoordType m_updateLeft;
- /// Pointer to previous line if it exists.
- wxLayoutLine *m_Previous;
- /// Pointer to next line if it exists.
- wxLayoutLine *m_Next;
- /// A StyleInfo structure, holding the current settings.
- wxLayoutStyleInfo m_StyleInfo;
- /// Just to suppress gcc compiler warnings.
- friend class dummy;
+ /// The line number.
+ CoordType m_LineNumber;
+
+ /// The line length in cursor positions.
+ CoordType m_Length;
+
+ /// The total height of the line.
+ CoordType m_Height;
+
+ /// The total width of the line on screen.
+ CoordType m_Width;
+
+ /// The baseline for drawing objects
+ CoordType m_BaseLine;
+
+ /// The position on the canvas.
+ wxPoint m_Position;
+
+ /// The list of objects
+ wxLayoutObjectList m_ObjectList;
+
+ /// Have we been changed since the last layout?
+ bool m_Dirty;
+
+ /// The coordinate of the left boundary of the update rectangle (if m_Dirty)
+ CoordType m_updateLeft;
+
+ /// Pointer to previous line if it exists.
+ wxLayoutLine *m_Previous;
+
+ /// Pointer to next line if it exists.
+ wxLayoutLine *m_Next;
+
+ /// A StyleInfo structure, holding the current settings.
+ wxLayoutStyleInfo m_StyleInfo;
+
+ /// Just to suppress gcc compiler warnings.
+ friend class dummy;
+
private:
- wxLayoutLine(const wxLayoutLine &);
+ wxLayoutLine(const wxLayoutLine &);
};
class wxLayoutList
{
public:
- /// Constructor.
- wxLayoutList();
- /// Destructor.
- ~wxLayoutList();
+ /// Constructor.
+ wxLayoutList();
+
+ /// Destructor.
+ ~wxLayoutList();
#ifdef WXLAYOUT_USE_CARET
- /// give us the pointer to the caret to use
- void SetCaret(wxCaret *caret) { m_caret = caret; }
+ /// give us the pointer to the caret to use
+ void SetCaret(wxCaret *caret) { m_caret = caret; }
#endif // WXLAYOUT_USE_CARET
- /// Clear the list.
- void Clear(int family = wxROMAN,
- int size=WXLO_DEFAULTFONTSIZE,
- int style=wxNORMAL,
- int weight=wxNORMAL,
- int underline=0,
- wxColour *fg=NULL,
- wxColour *bg=NULL);
- /// Empty: clear the list but leave font settings.
- void Empty(void);
-
- /** Enable or disable auto-formatting. Normally, while editing this
- should be enabled which is the default. While
- inserting/deleting lots of text, it makes sense to temporarily
- disable this.
- @param enable TRUE to enable, FALSE to disable
- */
- void SetAutoFormatting(bool enable = TRUE)
- { m_AutoFormat = enable; }
- /**@name Cursor Management */
- //@{
- /** Set new cursor position.
- @param p new position
- @return bool if it could be set
- */
- bool MoveCursorTo(wxPoint const &p);
- /** Move cursor up or down.
- @param n
- @return bool if it could be moved
- */
- bool MoveCursorVertically(int n);
- /** Move cursor left or right.
- @param n = number of positions to move
- @return bool if it could be moved
- */
- bool MoveCursorHorizontally(int n);
- /** Move cursor to the left or right counting in words
- @param n = number of positions in words
- @param untilNext: puts the cursor at the start of the next word if true,
+ /// Clear the list.
+ void Clear(int family = wxROMAN,
+ int size=WXLO_DEFAULTFONTSIZE,
+ int style=wxNORMAL,
+ int weight=wxNORMAL,
+ int underline=0,
+ wxColour *fg=NULL,
+ wxColour *bg=NULL);
+
+ /// Empty: clear the list but leave font settings.
+ void Empty();
+
+ /** Enable or disable auto-formatting. Normally, while editing this
+ should be enabled which is the default. While
+ inserting/deleting lots of text, it makes sense to temporarily
+ disable this.
+ @param enable true to enable, false to disable
+ */
+
+ void SetAutoFormatting(bool enable = true)
+ { m_AutoFormat = enable; }
+
+ /**@name Cursor Management */
+ //@{
+ /** Set new cursor position.
+ @param p new position
+ @return bool if it could be set
+ */
+ bool MoveCursorTo(wxPoint const &p);
+
+ /** Move cursor up or down.
+ @param n
+ @return bool if it could be moved
+ */
+ bool MoveCursorVertically(int n);
+
+ /** Move cursor left or right.
+ @param n = number of positions to move
+ @return bool if it could be moved
+ */
+ bool MoveCursorHorizontally(int n);
+
+ /** Move cursor to the left or right counting in words
+ @param n = number of positions in words
+ @param untilNext: puts the cursor at the start of the next word if true,
leaves it at the end of the current one otherwise
- @return bool if it could be moved
- */
- bool MoveCursorWord(int n, bool untilNext = true);
-
- /// Move cursor to end of line.
- void MoveCursorToEndOfLine(void)
- {
- wxASSERT(m_CursorLine);
- MoveCursorHorizontally(m_CursorLine->GetLength()-m_CursorPos.x);
- }
-
- /// Move cursor to the start of line.
- void MoveCursorToBeginOfLine(void)
- { MoveCursorHorizontally(-m_CursorPos.x); }
-
- /// get the number of lines in the list
- size_t GetNumLines() const { return m_numLines; }
-
- /// Returns current cursor position.
- const wxPoint &GetCursorPos(wxDC &dc) const { return m_CursorPos; }
- const wxPoint &GetCursorPos() const { return m_CursorPos; }
- wxLayoutLine * GetCursorLine(void) { return m_CursorLine; }
-
- /// move cursor to the end of text
- void MoveCursorToEnd(void)
- {
- MoveCursorTo(wxPoint(0, GetNumLines() - 1));
- MoveCursorToEndOfLine();
- }
-
- //@}
-
- /**@name Editing functions.
- All of these functions return true on success and false on
- failure. */
- //@{
- /// Insert text at current cursor position.
- bool Insert(wxString const &text);
- /// Insert some other object at current cursor position.
- bool Insert(wxLayoutObject *obj);
- /// Inserts objects at current cursor positions
- bool Insert(wxLayoutList *llist);
-
- /// Inserts a linebreak at current cursor position.
- bool LineBreak(void);
- /** Wraps the current line. Searches to the left of the cursor to
- break the line. Does nothing if the cursor position is before
- the break position parameter.
- @param column the break position for the line, maximum length
- @return true if line got broken
- */
- bool WrapLine(CoordType column);
-
- /** Wraps the complete buffer.
- @param column the break position for the line, maximum length
- @return true if line got broken
- */
- bool WrapAll(CoordType column);
- /** This function deletes npos cursor positions.
- @param npos how many positions
- @return true if everything got deleted
- */
- bool Delete(CoordType npos);
-
- /** Delete the next n lines.
- @param n how many lines to delete
- @return how many it could not delete
- */
- int DeleteLines(int n);
-
- /// Delete to end of line.
- void DeleteToEndOfLine(void)
- {
- wxASSERT(m_CursorLine);
- Delete(m_CursorLine->GetLength()-m_CursorPos.x);
- }
- /// Delete to begin of line.
- void DeleteToBeginOfLine(void)
- {
- wxASSERT(m_CursorLine);
- CoordType n = m_CursorPos.x;
+ @return bool if it could be moved
+ */
+ bool MoveCursorWord(int n, bool untilNext = true);
+
+ /// Move cursor to end of line.
+ void MoveCursorToEndOfLine()
+ {
+ wxASSERT(m_CursorLine);
+ MoveCursorHorizontally(m_CursorLine->GetLength()-m_CursorPos.x);
+ }
+
+ /// Move cursor to the start of line.
+ void MoveCursorToBeginOfLine()
+ { MoveCursorHorizontally(-m_CursorPos.x); }
+
+ /// get the number of lines in the list
+ size_t GetNumLines() const { return m_numLines; }
+
+ /// Returns current cursor position.
+ const wxPoint &GetCursorPos(wxDC & WXUNUSED(dc) ) const
+ { return m_CursorPos; }
+ const wxPoint &GetCursorPos() const { return m_CursorPos; }
+ wxLayoutLine * GetCursorLine() { return m_CursorLine; }
+
+ /// move cursor to the end of text
+ void MoveCursorToEnd()
+ {
+ MoveCursorTo(wxPoint(0, GetNumLines() - 1));
+ MoveCursorToEndOfLine();
+ }
+
+ //@}
+
+ /**@name Editing functions.
+ All of these functions return true on success and false on
+ failure. */
+ //@{
+ /// Insert text at current cursor position.
+ bool Insert(wxString const &text);
+
+ /// Insert some other object at current cursor position.
+ bool Insert(wxLayoutObject *obj);
+
+ /// Inserts objects at current cursor positions
+ bool Insert(wxLayoutList *llist);
+
+ /// Inserts a linebreak at current cursor position.
+ bool LineBreak();
+ /** Wraps the current line. Searches to the left of the cursor to
+ break the line. Does nothing if the cursor position is before
+ the break position parameter.
+ @param column the break position for the line, maximum length
+ @return true if line got broken
+ */
+ bool WrapLine(CoordType column);
+
+ /** Wraps the complete buffer.
+ @param column the break position for the line, maximum length
+ @return true if line got broken
+ */
+ bool WrapAll(CoordType column);
+ /** This function deletes npos cursor positions.
+ @param npos how many positions
+ @return true if everything got deleted
+ */
+ bool Delete(CoordType npos);
+
+ /** Delete the next n lines.
+ @param n how many lines to delete
+ @return how many it could not delete
+ */
+ int DeleteLines(int n);
+
+ /// Delete to end of line.
+ void DeleteToEndOfLine()
+ {
+ wxASSERT(m_CursorLine);
+ Delete(m_CursorLine->GetLength()-m_CursorPos.x);
+ }
+
+ /// Delete to begin of line.
+ void DeleteToBeginOfLine()
+ {
+ wxASSERT(m_CursorLine);
+ CoordType n = m_CursorPos.x;
#ifdef WXLAYOUT_DEBUG
- wxASSERT(MoveCursorHorizontally(-n));
+ wxASSERT(MoveCursorHorizontally(-n));
#else
- MoveCursorHorizontally(-n);
+ MoveCursorHorizontally(-n);
#endif
- Delete(n);
- }
-
- /** Delete the next word.
- */
- void DeleteWord(void)
- {
- wxASSERT(m_CursorLine);
- m_CursorLine->DeleteWord(m_CursorPos.x);
- }
-
- //@}
-
- /** Finds text in this list.
- @param needle the text to find
- @param cpos the position where to start the search
- @return the cursor coord where it was found or (-1,-1)
- */
- wxPoint FindText(const wxString &needle, const wxPoint &cpos = wxPoint(0,0)) const;
-
- /**@name Formatting options */
- //@{
- /// sets font parameters
- void SetFont(int family, int size, int style,
- int weight, int underline,
- wxColour *fg,
- wxColour *bg);
- /// sets font parameters, colours by name
- void SetFont(int family=-1, int size = -1, int style=-1,
- int weight=-1, int underline = -1,
- char const *fg = NULL,
- char const *bg = NULL);
- /// changes to the next larger font size
- inline void SetFontLarger(void)
- { SetFont(-1,(12*m_CurrentStyleInfo.size)/10); }
- /// changes to the next smaller font size
- inline void SetFontSmaller(void)
- { SetFont(-1,(10*m_CurrentStyleInfo.size)/12); }
-
- /// set font family
- inline void SetFontFamily(int family) { SetFont(family); }
- /// set font size
- inline void SetFontSize(int size) { SetFont(-1,size); }
- /// set font style
- inline void SetFontStyle(int style) { SetFont(-1,-1,style); }
- /// set font weight
- inline void SetFontWeight(int weight) { SetFont(-1,-1,-1,weight); }
- /// toggle underline flag
- inline void SetFontUnderline(bool ul) { SetFont(-1,-1,-1,-1,(int)ul); }
- /// set font colours by name
- inline void SetFontColour(char const *fg, char const *bg = NULL)
- { SetFont(-1,-1,-1,-1,-1,fg,bg); }
- /// set font colours by colour
- inline void SetFontColour(wxColour *fg, wxColour *bg = NULL)
- { SetFont(-1,-1,-1,-1,-1,fg,bg); }
-
- /**
- Returns a pointer to the default settings.
- This is only valid temporarily and should not be stored
- anywhere.
- @return the default settings of the list
- */
- wxLayoutStyleInfo &GetDefaultStyleInfo(void) { return m_DefaultStyleInfo ; }
- wxLayoutStyleInfo &GetStyleInfo(void) { return m_CurrentStyleInfo ; }
- const wxLayoutStyleInfo &GetStyleInfo(void) const { return m_CurrentStyleInfo ; }
- const wxLayoutStyleInfo &GetCursorStyleInfo(void) const { return m_CursorStyleInfo ; }
-
- /// is the current font underlined?
- bool IsFontUnderlined() const { return GetCursorStyleInfo().underline != 0; }
- /// is the current font bold?
- bool IsFontBold() const { return GetCursorStyleInfo().weight == wxBOLD; }
- /// is the current font italic?
- bool IsFontItalic() const { return GetCursorStyleInfo().style == wxITALIC; }
-
- /// set underline if it was off, turn it off if it was on
- void ToggleFontUnderline()
- { SetFontUnderline(!IsFontUnderlined()); }
-
- /// make font bold if it was normal or make it normal if it was bold
- void ToggleFontWeight()
- { SetFontWeight(IsFontBold() ? wxNORMAL : wxBOLD); }
-
- /// make font italic if it was normal or make it normal if it was italic
- void ToggleFontItalics()
- { SetFontStyle(IsFontItalic() ? wxNORMAL : wxITALIC); }
-
- //@}
-
- /**@name Drawing */
- //@{
- /** Draws the complete list on a wxDC.
- @param dc the wxDC to draw on
- @param offset an optional offset to shift printout
- @param top optional y coordinate where to start drawing
- @param bottom optional y coordinate where to stop drawing
- @param clipStrictly if set, do not draw objects which reach
- beyond "bottom". Set this when printing.
- */
- void Draw(wxDC &dc,
- const wxPoint &offset = wxPoint(0,0),
- CoordType top = -1, CoordType bottom = -1,
- bool clipStrictly = false);
-
- /** Calculates new layout for the list, like Draw() but does not
- actually draw it.
- @param dc the wxDC to draw on
- @param bottom optional y coordinate where to stop calculating
- @param forceAll force re-layout of all lines
- @param cpos Can hold a cursorposition, and will be overwritten
- with the corresponding DC position.
- @param csize Will hold the cursor size relating to cpos.
- */
- void Layout(wxDC &dc, CoordType bottom = -1, bool forceAll = false,
- wxPoint *cpos = NULL,
- wxPoint *csize = NULL);
-
- /** Ensure that the whole list will be recalculate on the next call
- to Layout() or Draw().
- @param redrawAll TRUE or FALSE to reset it
- */
- void ForceTotalLayout(bool redrawAll = TRUE)
- { m_ReLayoutAll = redrawAll; }
-
- /** Returns the screen coordinates relating to a given cursor
- position and the size of the cursor at that position.
- @param dc for which to calculate it
- @param cpos Cursor position to look for.
- @param csize If non-NULL, will be set to the cursor size.
- @return The cursor position on the DC.
- */
- wxPoint GetScreenPos(wxDC &dc, const wxPoint &cpos, wxPoint *csize = NULL);
-
- /** Calculates new sizes for everything in the list, like Layout()
- but this is needed after the list got changed.
- @param dc the wxDC to draw on
- @param bottom optional y coordinate where to stop calculating
- */
- void Recalculate(wxDC &dc, CoordType bottom = -1);
-
- /** Returns the size of the list in screen coordinates.
- The return value only makes sense after the list has been
- drawn.
- @return a wxPoint holding the maximal x/y coordinates used for
- drawing
- */
- wxPoint GetSize(void) const;
-
- /** Returns the cursor position on the screen.
- */
- wxPoint GetCursorScreenPos(void) const;
-
- /** Draws the cursor.
- @param active If true, draw a bold cursor to mark window as
- active.
- @param translate optional translation of cursor coords on screen
- */
- void DrawCursor(wxDC &dc,
- bool active = true,
- const wxPoint & translate = wxPoint(0,0));
-
- /** This function finds an object belonging to a given screen
- position. It assumes that Layout() has been called before.
- @param pos screen position
- @param cursorPos if non NULL, store cursor position in there
- @param found if used, set this to true if we really found an
- object, to false if we had to take the object near to it
- @return pointer to the object
- */
- wxLayoutObject * FindObjectScreen(wxDC &dc,
- wxPoint const pos,
- wxPoint *cursorPos = NULL,
- bool *found = NULL);
-
- /** Called by the objects to update the update rectangle.
- @param x horizontal coordinate to include in rectangle
- @param y vertical coordinate to include in rectangle
- */
- void SetUpdateRect(CoordType x, CoordType y);
- /** Called by the objects to update the update rectangle.
- @param p a point to include in it
- */
- void SetUpdateRect(const wxPoint &p)
- { SetUpdateRect(p.x,p.y); }
- /// adds the cursor position to the update rectangle
- void AddCursorPosToUpdateRect()
- {
+ Delete(n);
+ }
+
+ /** Delete the next word.
+ */
+ void DeleteWord()
+ {
+ wxASSERT(m_CursorLine);
+ m_CursorLine->DeleteWord(m_CursorPos.x);
+ }
+
+ //@}
+
+ /** Finds text in this list.
+ @param needle the text to find
+ @param cpos the position where to start the search
+ @return the cursor coord where it was found or (-1,-1)
+ */
+ wxPoint FindText(const wxString &needle, const wxPoint &cpos = wxPoint(0,0)) const;
+
+ /**@name Formatting options */
+ //@{
+ /// sets font parameters
+ void SetFont(int family, int size, int style,
+ int weight, int underline,
+ wxColour *fg,
+ wxColour *bg);
+
+ /// sets font parameters, colours by name
+ void SetFont(int family=-1, int size = -1, int style=-1,
+ int weight=-1, int underline = -1,
+ wxChar const *fg = NULL,
+ wxChar const *bg = NULL);
+
+ /// changes to the next larger font size
+ inline void SetFontLarger()
+ { SetFont(-1,(12*m_CurrentStyleInfo.size)/10); }
+
+ /// changes to the next smaller font size
+ inline void SetFontSmaller()
+ { SetFont(-1,(10*m_CurrentStyleInfo.size)/12); }
+
+ /// set font family
+ inline void SetFontFamily(int family) { SetFont(family); }
+
+ /// set font size
+ inline void SetFontSize(int size) { SetFont(-1,size); }
+
+ /// set font style
+ inline void SetFontStyle(int style) { SetFont(-1,-1,style); }
+
+ /// set font weight
+ inline void SetFontWeight(int weight) { SetFont(-1,-1,-1,weight); }
+
+ /// toggle underline flag
+ inline void SetFontUnderline(bool ul) { SetFont(-1,-1,-1,-1,(int)ul); }
+
+ /// set font colours by name
+ inline void SetFontColour(wxChar const *fg, wxChar const *bg = NULL)
+ { SetFont(-1,-1,-1,-1,-1,fg,bg); }
+
+ /// set font colours by colour
+ inline void SetFontColour(wxColour *fg, wxColour *bg = NULL)
+ { SetFont(-1,-1,-1,-1,-1,fg,bg); }
+
+ /**
+ Returns a pointer to the default settings.
+ This is only valid temporarily and should not be stored
+ anywhere.
+ @return the default settings of the list
+ */
+ wxLayoutStyleInfo &GetDefaultStyleInfo() { return m_DefaultStyleInfo ; }
+ wxLayoutStyleInfo &GetStyleInfo() { return m_CurrentStyleInfo ; }
+ const wxLayoutStyleInfo &GetStyleInfo() const { return m_CurrentStyleInfo ; }
+ const wxLayoutStyleInfo &GetCursorStyleInfo() const { return m_CursorStyleInfo ; }
+
+ /// is the current font underlined?
+ bool IsFontUnderlined() const { return GetCursorStyleInfo().underline != 0; }
+
+ /// is the current font bold?
+ bool IsFontBold() const { return GetCursorStyleInfo().weight == wxBOLD; }
+
+ /// is the current font italic?
+ bool IsFontItalic() const { return GetCursorStyleInfo().style == wxITALIC; }
+
+ /// set underline if it was off, turn it off if it was on
+ void ToggleFontUnderline()
+ { SetFontUnderline(!IsFontUnderlined()); }
+
+ /// make font bold if it was normal or make it normal if it was bold
+ void ToggleFontWeight()
+ { SetFontWeight(IsFontBold() ? wxNORMAL : wxBOLD); }
+
+ /// make font italic if it was normal or make it normal if it was italic
+ void ToggleFontItalics()
+ { SetFontStyle(IsFontItalic() ? wxNORMAL : wxITALIC); }
+
+ //@}
+
+ /**@name Drawing */
+ //@{
+ /** Draws the complete list on a wxDC.
+ @param dc the wxDC to draw on
+ @param offset an optional offset to shift printout
+ @param top optional y coordinate where to start drawing
+ @param bottom optional y coordinate where to stop drawing
+ @param clipStrictly if set, do not draw objects which reach
+ beyond "bottom". Set this when printing.
+ */
+ void Draw(wxDC &dc,
+ const wxPoint &offset = wxPoint(0,0),
+ CoordType top = -1, CoordType bottom = -1,
+ bool clipStrictly = false);
+
+ /** Calculates new layout for the list, like Draw() but does not
+ actually draw it.
+ @param dc the wxDC to draw on
+ @param bottom optional y coordinate where to stop calculating
+ @param forceAll force re-layout of all lines
+ @param cpos Can hold a cursorposition, and will be overwritten
+ with the corresponding DC position.
+ @param csize Will hold the cursor size relating to cpos.
+ */
+ void Layout(wxDC &dc, CoordType bottom = -1, bool forceAll = false,
+ wxPoint *cpos = NULL,
+ wxPoint *csize = NULL);
+
+ /** Ensure that the whole list will be recalculate on the next call
+ to Layout() or Draw().
+ @param redrawAll true or false to reset it
+ */
+ void ForceTotalLayout(bool redrawAll = true)
+ { m_ReLayoutAll = redrawAll; }
+
+ /** Returns the screen coordinates relating to a given cursor
+ position and the size of the cursor at that position.
+ @param dc for which to calculate it
+ @param cpos Cursor position to look for.
+ @param csize If non-NULL, will be set to the cursor size.
+ @return The cursor position on the DC.
+ */
+ wxPoint GetScreenPos(wxDC &dc, const wxPoint &cpos, wxPoint *csize = NULL);
+
+ /** Calculates new sizes for everything in the list, like Layout()
+ but this is needed after the list got changed.
+ @param dc the wxDC to draw on
+ @param bottom optional y coordinate where to stop calculating
+ */
+ void Recalculate(wxDC &dc, CoordType bottom = -1);
+
+ /** Returns the size of the list in screen coordinates.
+ The return value only makes sense after the list has been
+ drawn.
+ @return a wxPoint holding the maximal x/y coordinates used for
+ drawing
+ */
+ wxPoint GetSize() const;
+
+ /** Returns the cursor position on the screen.
+ */
+ wxPoint GetCursorScreenPos() const;
+
+ /** Draws the cursor.
+ @param active If true, draw a bold cursor to mark window as
+ active.
+ @param translate optional translation of cursor coords on screen
+ */
+ void DrawCursor(wxDC &dc,
+ bool active = true,
+ const wxPoint & translate = wxPoint(0,0));
+
+ /** This function finds an object belonging to a given screen
+ position. It assumes that Layout() has been called before.
+ @param pos screen position
+ @param cursorPos if non NULL, store cursor position in there
+ @param found if used, set this to true if we really found an
+ object, to false if we had to take the object near to it
+ @return pointer to the object
+ */
+ wxLayoutObject * FindObjectScreen(wxDC &dc,
+ wxPoint const pos,
+ wxPoint *cursorPos = NULL,
+ bool *found = NULL);
+
+ /** Called by the objects to update the update rectangle.
+ @param x horizontal coordinate to include in rectangle
+ @param y vertical coordinate to include in rectangle
+ */
+ void SetUpdateRect(CoordType x, CoordType y);
+
+ /** Called by the objects to update the update rectangle.
+ @param p a point to include in it
+ */
+ void SetUpdateRect(const wxPoint &p)
+ { SetUpdateRect(p.x,p.y); }
+
+ /// adds the cursor position to the update rectangle
+ void AddCursorPosToUpdateRect()
+ {
#ifndef WXLAYOUT_USE_CARET
- SetUpdateRect(m_CursorScreenPos);
- SetUpdateRect(m_CursorScreenPos+m_CursorSize);
- //#else - the caret will take care of refreshing itself
+ SetUpdateRect(m_CursorScreenPos);
+ SetUpdateRect(m_CursorScreenPos+m_CursorSize);
+//#else - the caret will take care of refreshing itself
#endif // !WXLAYOUT_USE_CARET
- }
- /// Invalidates the update rectangle.
- void InvalidateUpdateRect(void) { m_UpdateRectValid = false; }
- /// Returns the update rectangle.
- const wxRect *GetUpdateRect(void) const { return &m_UpdateRect; }
- //@}
-
- /// get the current cursor size
- const wxPoint& GetCursorSize() const { return m_CursorSize; }
-
- /**@name For exporting one object after another. */
- //@{
- /** Returns a pointer to the first line in the list. */
- wxLayoutLine *GetFirstLine(void)
- {
- wxASSERT(m_FirstLine);
- return m_FirstLine;
- }
- //@}
-
- /// Begin selecting text
- void StartSelection(const wxPoint& cpos = wxPoint(-1,-1),
- const wxPoint& spos = wxPoint(-1,-1));
- // Continue selecting text
- void ContinueSelection(const wxPoint& cpos = wxPoint(-1,-1),
- const wxPoint& spos = wxPoint(-1,-1));
- /// End selecting text.
- void EndSelection(const wxPoint& cpos = wxPoint(-1,-1),
- const wxPoint& spos = wxPoint(-1,-1));
- /// Discard the current selection
- void DiscardSelection();
- /// Are we still selecting text?
- bool IsSelecting(void) const;
- /// Is the given point (text coords) selected?
- bool IsSelected(const wxPoint &cursor) const;
- /// Do we have a non null selection?
- bool HasSelection() const
- { return m_Selection.m_valid || m_Selection.m_selecting; }
-
- /** Return the selection as a wxLayoutList.
- @param invalidate if true, the selection will be invalidated after this and can no longer be used.
- @return Another layout list object holding the selection, must be freed by caller
- */
- wxLayoutList *GetSelection(class wxLayoutDataObject *wxldo = NULL, bool invalidate = TRUE);
- /// Delete selected bit
- void DeleteSelection(void);
-
- wxLayoutList *Copy(const wxPoint &from = wxPoint(0,0),
- const wxPoint &to = wxPoint(-1,-1));
-
- /// starts highlighting of text for selections
- void StartHighlighting(wxDC &dc);
- /// ends highlighting of text for selections
- void EndHighlighting(wxDC &dc);
+ }
- /** Tests whether this layout line is selected and needs
- highlighting.
- @param line to test for
- @param from set to first cursorpos to be highlighted (for returncode == -1)
- @param to set to last cursorpos to be highlighted (for returncode == -1)
- @return 0 = not selected, 1 = fully selected, -1 = partially
- selected
+ /// Invalidates the update rectangle.
+ void InvalidateUpdateRect() { m_UpdateRectValid = false; }
+
+ /// Returns the update rectangle.
+ const wxRect *GetUpdateRect() const { return &m_UpdateRect; }
+ //@}
+
+ /// get the current cursor size
+ const wxPoint& GetCursorSize() const { return m_CursorSize; }
+
+ /**@name For exporting one object after another. */
+ //@{
+ /** Returns a pointer to the first line in the list. */
+ wxLayoutLine *GetFirstLine()
+ {
+ wxASSERT(m_FirstLine);
+ return m_FirstLine;
+ }
+ //@}
+
+ /// Begin selecting text
+ void StartSelection(const wxPoint& cpos = wxPoint(-1,-1),
+ const wxPoint& spos = wxPoint(-1,-1));
+
+ // Continue selecting text
+ void ContinueSelection(const wxPoint& cpos = wxPoint(-1,-1),
+ const wxPoint& spos = wxPoint(-1,-1));
+
+ /// End selecting text.
+ void EndSelection(const wxPoint& cpos = wxPoint(-1,-1),
+ const wxPoint& spos = wxPoint(-1,-1));
+
+ /// Discard the current selection
+ void DiscardSelection();
+
+ /// Are we still selecting text?
+ bool IsSelecting() const;
+
+ /// Is the given point (text coords) selected?
+ bool IsSelected(const wxPoint &cursor) const;
+
+ /// Do we have a non null selection?
+ bool HasSelection() const
+ { return m_Selection.m_valid || m_Selection.m_selecting; }
+
+ /** Return the selection as a wxLayoutList.
+ @param invalidate if true, the selection will be invalidated after this and can no longer be used.
+ @return Another layout list object holding the selection, must be freed by caller
+ */
+ wxLayoutList *GetSelection(class wxLayoutDataObject *wxldo = NULL, bool invalidate = true);
- */
- int IsSelected(const wxLayoutLine *line, CoordType *from, CoordType *to);
+ /// Delete selected bit
+ void DeleteSelection();
- void ApplyStyle(wxLayoutStyleInfo const &si, wxDC &dc);
+ wxLayoutList *Copy(const wxPoint &from = wxPoint(0,0),
+ const wxPoint &to = wxPoint(-1,-1));
+
+ /// starts highlighting of text for selections
+ void StartHighlighting(wxDC &dc);
+
+ /// ends highlighting of text for selections
+ void EndHighlighting(wxDC &dc);
+
+ /** Tests whether this layout line is selected and needs
+ highlighting.
+ @param line to test for
+ @param from set to first cursorpos to be highlighted (for returncode == -1)
+ @param to set to last cursorpos to be highlighted (for returncode == -1)
+ @return 0 = not selected, 1 = fully selected, -1 = partially
+ selected
+ */
+ int IsSelected(const wxLayoutLine *line, CoordType *from, CoordType *to);
+
+ void ApplyStyle(wxLayoutStyleInfo const &si, wxDC &dc);
#ifdef WXLAYOUT_DEBUG
- void Debug(void);
+ void Debug();
#endif
- // for wxLayoutLine usage only
- void IncNumLines() { m_numLines++; }
- void DecNumLines() { m_numLines--; }
+ // for wxLayoutLine usage only
+ void IncNumLines() { m_numLines++; }
+ void DecNumLines() { m_numLines--; }
- /// get the line by number
- wxLayoutLine *GetLine(CoordType index) const;
+ /// get the line by number
+ wxLayoutLine *GetLine(CoordType index) const;
- /** Reads objects from a string and inserts them. Returns NULL if
- string is empty or a linebreak was found.
- @param istr stream to read from, will bee changed
- */
- void Read(wxString &istr);
+ /** Reads objects from a string and inserts them. Returns NULL if
+ string is empty or a linebreak was found.
+ @param istr stream to read from, will bee changed
+ */
+ void Read(wxString &istr);
private:
- /// Clear the list.
- void InternalClear(void);
-
- /// The list of lines.
- wxLayoutLine *m_FirstLine;
- /// The number of lines in the list (store instead recalculating for speed)
- size_t m_numLines;
-
- /// The update rectangle which needs to be refreshed:
- wxRect m_UpdateRect;
- /// Is the update rectangle valid?
- bool m_UpdateRectValid;
-
- /// Shall we auto-format?
- bool m_AutoFormat;
- /// Shall we re-layout everything?
- bool m_ReLayoutAll;
- /**@name Cursor Management */
- //@{
- /// Where the text cursor (column,line) is.
- wxPoint m_CursorPos;
- /// Where the cursor should be drawn.
- wxPoint m_CursorScreenPos;
- /// The line where the cursor is.
- wxLayoutLine *m_CursorLine;
- /// The size of the cursor.
- wxPoint m_CursorSize;
- /// Has the cursor moved (is m_CursorScreenPos up to date)?
- bool m_movedCursor;
+ /// Clear the list.
+ void InternalClear();
+
+ /// The list of lines.
+ wxLayoutLine *m_FirstLine;
+
+ /// The number of lines in the list (store instead recalculating for speed)
+ size_t m_numLines;
+
+ /// The update rectangle which needs to be refreshed:
+ wxRect m_UpdateRect;
+
+ /// Is the update rectangle valid?
+ bool m_UpdateRectValid;
+
+ /// Shall we auto-format?
+ bool m_AutoFormat;
+
+ /// Shall we re-layout everything?
+ bool m_ReLayoutAll;
+
+ /**@name Cursor Management */
+ //@{
+ /// Where the text cursor (column,line) is.
+ wxPoint m_CursorPos;
+
+ /// Where the cursor should be drawn.
+ wxPoint m_CursorScreenPos;
+
+ /// The line where the cursor is.
+ wxLayoutLine *m_CursorLine;
+
+ /// The size of the cursor.
+ wxPoint m_CursorSize;
+
+ /// Has the cursor moved (is m_CursorScreenPos up to date)?
+ bool m_movedCursor;
+
#ifdef WXLAYOUT_USE_CARET
- /// the caret
- wxCaret *m_caret;
+ /// the caret
+ wxCaret *m_caret;
#endif // WXLAYOUT_USE_CARET
- //@}
-
- /// selection.state and begin/end coordinates
- struct Selection
- {
- Selection() { m_valid = m_selecting = m_discarded = false; }
-
- bool m_valid;
- bool m_selecting;
- bool m_discarded; // may be TRUE only until the next redraw
-
- // returns true if we already have the screen coordinates of the
- // selection start and end
- bool HasValidScreenCoords() const
- { return m_ScreenA.x != -1 && m_ScreenB.x != -1; }
-
- // the start and end of the selection coordinates in pixels
- wxPoint m_ScreenA, m_ScreenB;
-
- // these coordinates are in text positions, not in pixels
- wxPoint m_CursorA, m_CursorB;
- } m_Selection;
- /** @name Font parameters. */
- //@{
- /// this object manages the fonts for us
- wxFontCache m_FontCache;
- /// the default setting:
- wxLayoutStyleInfo m_DefaultStyleInfo;
- /// the current setting:
- wxLayoutStyleInfo m_CurrentStyleInfo;
- /// the current setting:
- wxLayoutStyleInfo m_CursorStyleInfo;
- //@}
+ //@}
+
+ /// selection.state and begin/end coordinates
+ struct Selection
+ {
+ Selection() { m_valid = m_selecting = m_discarded = false; }
+
+ bool m_valid;
+ bool m_selecting;
+ bool m_discarded; // may be true only until the next redraw
+
+ // returns true if we already have the screen coordinates of the
+ // selection start and end
+ bool HasValidScreenCoords() const
+ { return m_ScreenA.x != -1 && m_ScreenB.x != -1; }
+
+ // the start and end of the selection coordinates in pixels
+ wxPoint m_ScreenA, m_ScreenB;
+
+ // these coordinates are in text positions, not in pixels
+ wxPoint m_CursorA, m_CursorB;
+ } m_Selection;
+ /** @name Font parameters. */
+ //@{
+ /// this object manages the fonts for us
+ wxFontCache m_FontCache;
+
+ /// the default setting:
+ wxLayoutStyleInfo m_DefaultStyleInfo;
+
+ /// the current setting:
+ wxLayoutStyleInfo m_CurrentStyleInfo;
+
+ /// the current setting:
+ wxLayoutStyleInfo m_CursorStyleInfo;
+ //@}
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
class wxLayoutDataObject : public wxCustomDataObject
{
public:
- wxLayoutDataObject()
- {
- SetFormat(wxT("application/wxlayoutlist"));
- }
-
- // type safe wrappers
- void SetLayoutData(const wxString& text)
- { SetData(text.length() + 1, text.c_str()); }
- const char *GetLayoutData() const { return (const char *)GetData(); }
+ wxLayoutDataObject()
+ {
+ SetFormat(wxT("application/wxlayoutlist"));
+ }
+
+ // type safe wrappers
+ void SetLayoutData(const wxString& text)
+ { SetData(text.length() + 1, text.c_str()); }
+
+ const wxChar *GetLayoutData() const { return (const wxChar *)GetData(); }
};
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- The wxLayoutPrintout object for printing within the wxWindows print
+ The wxLayoutPrintout object for printing within the wxWidgets print
framework.
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/** This class implements a wxPrintout for printing a wxLayoutList within
- the wxWindows printing framework.
+ the wxWidgets printing framework.
*/
class wxLayoutPrintout: public wxPrintout
{
public:
- /** Constructor.
- @param llist pointer to the wxLayoutList to be printed
- @param title title for PS file or windows
- */
- wxLayoutPrintout(wxLayoutList *llist,
- wxString const & title =
- "wxLayout Printout");
- /// Destructor.
- ~wxLayoutPrintout();
-
- /** Function which prints the n-th page.
- @param page the page number to print
- @return bool true if we are not at end of document yet
- */
- bool OnPrintPage(int page);
- /** Checks whether page exists in document.
- @param page number of page
- @return true if page exists
- */
- bool HasPage(int page);
-
- /** Gets called from wxWindows to find out which pages are existing.
- I'm not totally sure about the parameters though.
- @param minPage the first page in the document
- @param maxPage the last page in the document
- @param selPageFrom the first page to be printed
- @param selPageTo the last page to be printed
- */
- void GetPageInfo(int *minPage, int *maxPage,
- int *selPageFrom, int *selPageTo);
+ /** Constructor.
+ @param llist pointer to the wxLayoutList to be printed
+ @param title title for PS file or windows
+ */
+ wxLayoutPrintout(wxLayoutList *llist,
+ wxString const & title =
+ _T("wxLayout Printout"));
+
+ /// Destructor.
+ ~wxLayoutPrintout(){};
+
+ /** Function which prints the n-th page.
+ @param page the page number to print
+ @return bool true if we are not at end of document yet
+ */
+ bool OnPrintPage(int page);
+ /** Checks whether page exists in document.
+ @param page number of page
+ @return true if page exists
+ */
+ bool HasPage(int page);
+
+ /** Gets called from wxWidgets to find out which pages are existing.
+ I'm not totally sure about the parameters though.
+ @param minPage the first page in the document
+ @param maxPage the last page in the document
+ @param selPageFrom the first page to be printed
+ @param selPageTo the last page to be printed
+ */
+ void GetPageInfo(int *minPage, int *maxPage,
+ int *selPageFrom, int *selPageTo);
protected:
- /** This little function scales the DC so that the printout has
- roughly the same size as the output on screen.
- @param dc the wxDC to scale
- @return the scale that was applied
- */
- float ScaleDC(wxDC *dc);
-
- /* no longer used
- virtual void DrawHeader(wxDC &dc, wxPoint topleft, wxPoint bottomright, int pageno);
- */
+ /** This little function scales the DC so that the printout has
+ roughly the same size as the output on screen.
+ @param dc the wxDC to scale
+ @return the scale that was applied
+ */
+ float ScaleDC(wxDC *dc);
+
+ /* no longer used
+ virtual void DrawHeader(wxDC &dc, wxPoint topleft, wxPoint bottomright, int pageno);
+ */
+
private:
- /// The list to print.
- wxLayoutList *m_llist;
- /// Title for PS file or window.
- wxString m_title;
- /// The real paper size.
- int m_PageHeight, m_PageWidth;
- /// How much we actually print per page.
- int m_PrintoutHeight;
- /// How many pages we need to print.
- int m_NumOfPages;
- /// Top left corner where we start printing.
- wxPoint m_Offset;
+ /// The list to print.
+ wxLayoutList *m_llist;
+
+ /// Title for PS file or window.
+ wxString m_title;
+
+ /// The real paper size.
+ int m_PageHeight, m_PageWidth;
+
+ /// How much we actually print per page.
+ int m_PrintoutHeight;
+
+ /// How many pages we need to print.
+ int m_NumOfPages;
+
+ /// Top left corner where we start printing.
+ wxPoint m_Offset;
};
projects / wxWidgets.git / blobdiff