/*-*- c++ -*-********************************************************
* wxLwindow.h : a scrolled Window for displaying/entering rich text*
* *
- * (C) 1998 by Karsten Ballüder (Ballueder@usa.net) *
+ * (C) 1998,1999 by Karsten Ballüder (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
# include <wx/wx.h>
#endif
-#include "wxllist.h"
+#include "wxllist.h"
+#ifndef WXLOWIN_MENU_FIRST
+# define WXLOWIN_MENU_FIRST 12000
+#endif
+
+
+#define wxUSE_PRIVATE_CLIPBOARD_FORMAT 1
+
+enum
+{
+ WXLOWIN_MENU_LARGER = WXLOWIN_MENU_FIRST,
+ WXLOWIN_MENU_SMALLER,
+ WXLOWIN_MENU_UNDERLINE_ON,
+ WXLOWIN_MENU_UNDERLINE_OFF,
+ WXLOWIN_MENU_BOLD_ON,
+ WXLOWIN_MENU_BOLD_OFF,
+ WXLOWIN_MENU_ITALICS_ON,
+ WXLOWIN_MENU_ITALICS_OFF,
+ WXLOWIN_MENU_ROMAN,
+ WXLOWIN_MENU_TYPEWRITER,
+ WXLOWIN_MENU_SANSSERIF,
+ WXLOWIN_MENU_RCLICK,
+ WXLOWIN_MENU_LCLICK,
+ WXLOWIN_MENU_DBLCLICK,
+ WXLOWIN_MENU_MOUSEMOVE,
+ WXLOWIN_MENU_LAST = WXLOWIN_MENU_MOUSEMOVE
+};
+
+/**
+ This class is a rich text editing widget.
+*/
class wxLayoutWindow : public wxScrolledWindow
{
public:
+ /** Constructor.
+ @param parent parent window to display this panel in
+ */
wxLayoutWindow(wxWindow *parent);
- wxLayoutList & GetLayoutList(void) { return m_llist; }
+ /// Destructor.
+ virtual ~wxLayoutWindow();
- // clears the window and sets default parameters:
- void Clear(int family = wxROMAN, int size=12, int style=wxNORMAL, int weight=wxNORMAL,
- int underline=0, char const *fg="black", char const
- *bg="white")
+ /**@name Editing functionality */
+ //@{
+ /// Clears the window and sets default parameters.
+ void Clear(int family = wxROMAN,
+ int size=12,
+ int style=wxNORMAL,
+ int weight=wxNORMAL,
+ int underline=0,
+ wxColour *fg=NULL,
+ wxColour *bg=NULL);
+ /** Sets a background image, only used on screen, not on printouts.
+ @param bitmap a pointer to a wxBitmap or NULL to remove it
+ */
+ void SetBackgroundBitmap(wxBitmap *bitmap = NULL)
{
- GetLayoutList().Clear(family,size,style,weight,underline,fg,bg);
- SetBackgroundColour( *GetLayoutList().GetDefaults()->GetBGColour());
+ if(m_BGbitmap) delete m_BGbitmap;
+ m_BGbitmap = bitmap;
}
+ /// Enable or disable editing, i.e. processing of keystrokes.
+ void SetEditable(bool toggle) { m_Editable = toggle; }
+ /// Query whether list can be edited by user.
+ bool IsEditable(void) const { return m_Editable; }
+ /** Sets cursor visibility, visible=1, invisible=0,
+ visible-on-demand=-1, to hide it until moved.
+ @param visibility -1,0 or 1
+ @return the old visibility
+ */
+ inline int SetCursorVisibility(int visibility = -1)
+ { int v =m_CursorVisibility;
+ m_CursorVisibility = visibility; return v;}
+
+ /// Pastes text from clipboard.
+ void Paste(void);
+ /** Copies selection to clipboard.
+ @param invalidate used internally, see wxllist.h for details
+ */
+ bool Copy(bool invalidate = true);
+ /// Copies selection to clipboard and deletes it.
+ bool Cut(void);
+ //@}
- // callbacks
- // NB: these functions are used as event handlers and must not be virtual
- //void OnDraw(wxDC &dc);
- void OnPaint(wxPaintEvent &WXUNUSED(event));
- void OnMouse(wxMouseEvent& event);
- void OnChar(wxKeyEvent& event);
+ bool Find(const wxString &needle,
+ wxPoint * fromWhere = NULL);
+
+ void EnablePopup(bool enable = true) { m_DoPopupMenu = enable; }
+
+ /** Sets the wrap margin.
+ @param margin set this to 0 to disable it
+ */
+ void SetWrapMargin(CoordType margin) { m_WrapMargin = margin; }
+
+ /** Redraws the window.
+ Internally, this stores the parameter and calls a refresh on
+ wxMSW, draws directly on wxGTK.
+ */
+ void DoPaint(const wxRect *updateRect = NULL);
#ifdef __WXMSW__
virtual long MSWGetDlgCode();
#endif //MSW
- void UpdateScrollbars(void);
- void Print(void);
- void Erase(void) { m_llist.Clear(); Clear(); }
- void SetEventId(int id) { m_EventId = id; }
- wxPoint const &GetClickPosition(void) const { return m_ClickPosition; }
- virtual ~wxLayoutWindow() {}
+ /// if exact == false, assume 50% extra size for the future
+ void ResizeScrollbars(bool exact = false); // don't change this to true!
-private:
+ /// if the flag is true, we send events when user clicks on embedded objects
+ inline void SetMouseTracking(bool doIt = true) { m_doSendEvents = doIt; }
+
+ /* Returns a pointer to the wxLayoutList object.
+ @return the list
+ */
+ wxLayoutList * GetLayoutList(void) { return m_llist; }
+
+ /**@name Callbacks */
+ //@{
+ void OnPaint(wxPaintEvent &event);
+ void OnChar(wxKeyEvent& event);
+ void OnKeyUp(wxKeyEvent& event);
+ void OnMenu(wxCommandEvent& event);
+ void OnLeftMouseClick(wxMouseEvent& event) { OnMouse(WXLOWIN_MENU_LCLICK, event); }
+ void OnRightMouseClick(wxMouseEvent& event) { OnMouse(WXLOWIN_MENU_RCLICK, event); }
+ void OnMouseDblClick(wxMouseEvent& event) { OnMouse(WXLOWIN_MENU_DBLCLICK, event); }
+ void OnMouseMove(wxMouseEvent &event) { OnMouse(WXLOWIN_MENU_MOUSEMOVE, event) ; }
+ void OnSetFocus(wxFocusEvent &ev);
+ void OnKillFocus(wxFocusEvent &ev);
+ //@}
+
+ /// Creates a wxMenu for use as a format popup.
+ static wxMenu * MakeFormatMenu(void);
+ /**@name Dirty flag handling for optimisations. */
+ //@{
+ /// Set dirty flag.
+ void SetDirty(void) { m_Dirty = true; }
+ /// Query whether window needs redrawing.
+ bool IsDirty(void) const { return m_Dirty; }
+ /// Reset dirty flag.
+ void ResetDirty(void) { m_Dirty = false; }
+ //@}
+ /// Redraws the window, used by DoPaint() or OnPaint().
+ void InternalPaint(const wxRect *updateRect);
+
+ /// Has list been modified/edited?
+ bool IsModified(void) const { return m_Modified; }
+ /// Mark list as modified or unchanged.
+ void SetModified(bool modified = true) { m_Modified = modified; }
+ /** Tell window to update a wxStatusBar with UserData labels and
+ cursor positions.
+ @param bar wxStatusBar pointer
+ @param labelfield field to use in statusbar for URLs/userdata labels, or -1 to disable
+ @param cursorfield field to use for cursor position, or -1 to disable
+ */
+ void SetStatusBar(class wxStatusBar *bar,
+ int labelfield = -1,
+ int cursorfield = -1)
+ {
+ m_StatusBar = bar; m_StatusFieldLabel = labelfield;
+ m_StatusFieldCursor = cursorfield;
+ }
+protected:
+ /// generic function for mouse events processing
+ void OnMouse(int eventId, wxMouseEvent& event);
+ /// as the name says
+ void ScrollToCursor(void);
/// for sending events
wxWindow *m_Parent;
- int m_EventId;
- /// the layout list to be displayed
- wxLayoutList m_llist;
- /// have we already set the scrollbars?
- bool m_ScrollbarsSet;
- /// if we want to find an object:
- wxPoint m_FindPos;
- wxLayoutObjectBase *m_FoundObject;
+ /// Shall we send events?
+ bool m_doSendEvents;
+ /// Where does the current view start?
+ int m_ViewStartX; int m_ViewStartY;
+ /// Do we currently have the focus?
+ bool m_HaveFocus;
+ /// do we handle clicks of the right mouse button?
+ bool m_DoPopupMenu;
+ /// Should InternalPaint() scroll to cursor.
+ bool m_ScrollToCursor;
+ /// Do we currently have a non-standard cursor?
+ bool m_HandCursor;
+ /// the menu
+ wxMenu * m_PopupMenu;
+ /// for derived classes, set when mouse is clicked
wxPoint m_ClickPosition;
-
+ /// for scrollbar calculations:
+ int m_maxx;
+ int m_maxy;
+ int m_lineHeight;
+ /** Visibility parameter for cursor. 0/1 as expected, -1: visible
+ on demand.
+ */
+ int m_CursorVisibility;
+private:
+ /// The layout list to be displayed.
+ wxLayoutList *m_llist;
+ /// Can user edit the window?
+ bool m_Editable;
+ /// Are we currently building a selection with the keyboard?
+ bool m_Selecting;
+ /// wrap margin
+ CoordType m_WrapMargin;
+ /// Is list dirty (for redraws, internal use)?
+ bool m_Dirty;
+ /// Has list been edited?
+ bool m_Modified;
+ wxMemoryDC *m_memDC;
+ wxBitmap *m_bitmap;
+ wxPoint m_bitmapSize;
+ /// A frame's statusbar to update
+ class wxStatusBar *m_StatusBar;
+ /// statusbar field for labels
+ int m_StatusFieldLabel;
+ /// statusbar field for cursor positions
+ int m_StatusFieldCursor;
+ /// a pointer to a bitmap for the background
+ wxBitmap *m_BGbitmap;
DECLARE_EVENT_TABLE()
};
projects / wxWidgets.git / blobdiff