13ca2d942d
* Rewrote TextView.h * Renamed all private methods to have the underscore prefix. And also: * Whitespace and line width cleanup. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22688 a95241bf-73f2-0310-859d-f6bbb57e9c96
356 lines
11 KiB
C++
356 lines
11 KiB
C++
/*
|
|
* Copyright (c) 2007, Haiku, Inc.
|
|
* Distributed under the terms of the MIT license.
|
|
*/
|
|
#ifndef _TEXTVIEW_H
|
|
#define _TEXTVIEW_H
|
|
|
|
|
|
#include <BeBuild.h>
|
|
#include <View.h>
|
|
|
|
class BMessageRunner;
|
|
class BBitmap;
|
|
class BClipboard;
|
|
class BFile;
|
|
class BList;
|
|
class _BTextGapBuffer_;
|
|
class _BLineBuffer_;
|
|
class _BStyleBuffer_;
|
|
class _BWidthBuffer_;
|
|
class _BUndoBuffer_;
|
|
class _BInlineInput_;
|
|
class _BTextTrackState_;
|
|
class _BTextChangeResult_;
|
|
|
|
extern "C" status_t _init_interface_kit_();
|
|
|
|
|
|
struct text_run {
|
|
int32 offset;
|
|
BFont font;
|
|
rgb_color color;
|
|
};
|
|
|
|
struct text_run_array {
|
|
int32 count;
|
|
text_run runs[1];
|
|
};
|
|
|
|
enum undo_state {
|
|
B_UNDO_UNAVAILABLE,
|
|
B_UNDO_TYPING,
|
|
B_UNDO_CUT,
|
|
B_UNDO_PASTE,
|
|
B_UNDO_CLEAR,
|
|
B_UNDO_DROP
|
|
};
|
|
|
|
class BTextView : public BView {
|
|
public:
|
|
BTextView(BRect frame, const char* name, BRect textRect,
|
|
uint32 resizeMask, uint32 flags = B_WILL_DRAW | B_PULSE_NEEDED);
|
|
BTextView(BRect frame, const char* name, BRect textRect,
|
|
const BFont* initialFont, const rgb_color* initialColor,
|
|
uint32 resizeMask, uint32 flags);
|
|
BTextView(BMessage* data);
|
|
virtual ~BTextView();
|
|
|
|
static BArchivable* Instantiate(BMessage* data);
|
|
virtual status_t Archive(BMessage* data, bool deep = true) const;
|
|
|
|
virtual void AttachedToWindow();
|
|
virtual void DetachedFromWindow();
|
|
virtual void Draw(BRect inRect);
|
|
virtual void MouseDown(BPoint where);
|
|
virtual void MouseUp(BPoint where);
|
|
virtual void MouseMoved(BPoint where, uint32 code,
|
|
const BMessage* message);
|
|
virtual void WindowActivated(bool state);
|
|
virtual void KeyDown(const char* bytes, int32 numBytes);
|
|
virtual void Pulse();
|
|
virtual void FrameResized(float width, float height);
|
|
virtual void MakeFocus(bool focusState = true);
|
|
virtual void MessageReceived(BMessage* message);
|
|
|
|
virtual BHandler* ResolveSpecifier(BMessage* message, int32 index,
|
|
BMessage* specifier, int32 form, const char* property);
|
|
virtual status_t GetSupportedSuites(BMessage* data);
|
|
virtual status_t Perform(perform_code d, void* arg);
|
|
|
|
void SetText(const char* inText, const text_run_array* inRuns = NULL);
|
|
void SetText(const char* inText, int32 inLength,
|
|
const text_run_array* inRuns = NULL);
|
|
void SetText(BFile* inFile, int32 startOffset, int32 inLength,
|
|
const text_run_array* inRuns = NULL);
|
|
|
|
void Insert(const char* inText, const text_run_array* inRuns = NULL);
|
|
void Insert(const char* inText, int32 inLength, const text_run_array* inRuns = NULL);
|
|
void Insert(int32 startOffset, const char* inText, int32 inLength, const text_run_array* inRuns = NULL);
|
|
|
|
void Delete();
|
|
void Delete(int32 startOffset, int32 endOffset);
|
|
|
|
const char* Text() const;
|
|
int32 TextLength() const;
|
|
void GetText(int32 offset, int32 length, char* buffer) const;
|
|
uint8 ByteAt(int32 offset) const;
|
|
|
|
int32 CountLines() const;
|
|
int32 CurrentLine() const;
|
|
void GoToLine(int32 lineNum);
|
|
|
|
virtual void Cut(BClipboard* clipboard);
|
|
virtual void Copy(BClipboard* clipboard);
|
|
virtual void Paste(BClipboard* clipboard);
|
|
void Clear();
|
|
|
|
virtual bool AcceptsPaste(BClipboard* clipboard);
|
|
virtual bool AcceptsDrop(const BMessage* inMessage);
|
|
|
|
virtual void Select(int32 startOffset, int32 endOffset);
|
|
void SelectAll();
|
|
void GetSelection(int32* outStart, int32* outEnd) const;
|
|
|
|
void SetFontAndColor(const BFont* inFont, uint32 inMode = B_FONT_ALL,
|
|
const rgb_color* inColor = NULL);
|
|
void SetFontAndColor(int32 startOffset, int32 endOffset,
|
|
const BFont* inFont, uint32 inMode = B_FONT_ALL,
|
|
const rgb_color* inColor = NULL);
|
|
|
|
void GetFontAndColor(int32 inOffset, BFont* outFont,
|
|
rgb_color* outColor = NULL) const;
|
|
void GetFontAndColor(BFont* outFont, uint32* sameProperties,
|
|
rgb_color* outColor = NULL, bool* sameColor = NULL) const;
|
|
|
|
void SetRunArray(int32 startOffset, int32 endOffset,
|
|
const text_run_array* inRuns);
|
|
text_run_array* RunArray(int32 startOffset, int32 endOffset,
|
|
int32* outSize = NULL) const;
|
|
|
|
int32 LineAt(int32 offset) const;
|
|
int32 LineAt(BPoint point) const;
|
|
BPoint PointAt(int32 inOffset, float* outHeight = NULL) const;
|
|
int32 OffsetAt(BPoint point) const;
|
|
int32 OffsetAt(int32 line) const;
|
|
|
|
virtual void FindWord(int32 inOffset, int32* outFromOffset,
|
|
int32* outToOffset);
|
|
|
|
virtual bool CanEndLine(int32 offset);
|
|
|
|
float LineWidth(int32 lineNum = 0) const;
|
|
float LineHeight(int32 lineNum = 0) const;
|
|
float TextHeight(int32 startLine, int32 endLine) const;
|
|
|
|
void GetTextRegion(int32 startOffset, int32 endOffset,
|
|
BRegion* outRegion) const;
|
|
|
|
virtual void ScrollToOffset(int32 inOffset);
|
|
void ScrollToSelection();
|
|
|
|
void Highlight(int32 startOffset, int32 endOffset);
|
|
|
|
void SetTextRect(BRect rect);
|
|
BRect TextRect() const;
|
|
void SetStylable(bool stylable);
|
|
bool IsStylable() const;
|
|
void SetTabWidth(float width);
|
|
float TabWidth() const;
|
|
void MakeSelectable(bool selectable = true);
|
|
bool IsSelectable() const;
|
|
void MakeEditable(bool editable = true);
|
|
bool IsEditable() const;
|
|
void SetWordWrap(bool wrap);
|
|
bool DoesWordWrap() const;
|
|
void SetMaxBytes(int32 max);
|
|
int32 MaxBytes() const;
|
|
void DisallowChar(uint32 aChar);
|
|
void AllowChar(uint32 aChar);
|
|
void SetAlignment(alignment flag);
|
|
alignment Alignment() const;
|
|
void SetAutoindent(bool state);
|
|
bool DoesAutoindent() const;
|
|
void SetColorSpace(color_space colors);
|
|
color_space ColorSpace() const;
|
|
void MakeResizable(bool resize, BView* resizeView = NULL);
|
|
bool IsResizable() const;
|
|
void SetDoesUndo(bool undo);
|
|
bool DoesUndo() const;
|
|
void HideTyping(bool enabled);
|
|
bool IsTypingHidden() const;
|
|
|
|
virtual void ResizeToPreferred();
|
|
virtual void GetPreferredSize(float* _width, float* _height);
|
|
virtual void AllAttached();
|
|
virtual void AllDetached();
|
|
|
|
static text_run_array* AllocRunArray(int32 entryCount,
|
|
int32* outSize = NULL);
|
|
static text_run_array* CopyRunArray(const text_run_array* orig,
|
|
int32 countDelta = 0);
|
|
static void FreeRunArray(text_run_array* array);
|
|
static void* FlattenRunArray(const text_run_array* inArray,
|
|
int32* outSize = NULL);
|
|
static text_run_array* UnflattenRunArray(const void* data,
|
|
int32* outSize = NULL);
|
|
|
|
protected:
|
|
virtual void InsertText(const char* inText, int32 inLength,
|
|
int32 inOffset, const text_run_array* inRuns);
|
|
virtual void DeleteText(int32 fromOffset, int32 toOffset);
|
|
|
|
public:
|
|
virtual void Undo(BClipboard* clipboard);
|
|
undo_state UndoState(bool* isRedo) const;
|
|
|
|
protected:
|
|
void _ScrollToOffset(int32 nOffset, bool useHorz, bool useVert);
|
|
|
|
virtual void GetDragParameters(BMessage* drag, BBitmap** _bitmap,
|
|
BPoint* point, BHandler** _handler);
|
|
|
|
private:
|
|
friend status_t _init_interface_kit_();
|
|
friend class _BTextTrackState_;
|
|
|
|
virtual void _ReservedTextView3();
|
|
virtual void _ReservedTextView4();
|
|
virtual void _ReservedTextView5();
|
|
virtual void _ReservedTextView6();
|
|
virtual void _ReservedTextView7();
|
|
virtual void _ReservedTextView8();
|
|
virtual void _ReservedTextView9();
|
|
virtual void _ReservedTextView10();
|
|
virtual void _ReservedTextView11();
|
|
virtual void _ReservedTextView12();
|
|
|
|
void _InitObject(BRect textRect, const BFont* initialFont,
|
|
const rgb_color* initialColor);
|
|
|
|
void _HandleBackspace();
|
|
void _HandleArrowKey(uint32 inArrowKey);
|
|
void _HandleDelete();
|
|
void _HandlePageKey(uint32 inPageKey);
|
|
void _HandleAlphaKey(const char* bytes, int32 numBytes);
|
|
|
|
void _Refresh(int32 fromOffset, int32 toOffset, bool erase, bool scroll);
|
|
void _RecalculateLineBreaks(int32* startLine, int32* endLine);
|
|
int32 _FindLineBreak(int32 fromOffset, float* outAscent,
|
|
float* outDescent, float* ioWidth);
|
|
|
|
float _StyledWidth(int32 fromOffset, int32 length,
|
|
float* outAscent = NULL, float* outDescent = NULL) const;
|
|
|
|
float _StyledWidthUTF8Safe(int32 fromOffset, int32 numChars,
|
|
float* outAscent = NULL, float* outDescent = NULL) const;
|
|
|
|
float _ActualTabWidth(float location) const;
|
|
|
|
void _DoInsertText(const char* inText, int32 inLength, int32 inOffset,
|
|
const text_run_array* inRuns, _BTextChangeResult_* outResult);
|
|
|
|
void _DoDeleteText(int32 fromOffset, int32 toOffset,
|
|
_BTextChangeResult_* outResult);
|
|
|
|
void _DrawLine(BView* view, const int32 &startLine,
|
|
const int32& startOffset, const bool& erase, BRect& eraseRect,
|
|
BRegion& inputRegion);
|
|
|
|
void _DrawLines(int32 startLine, int32 endLine, int32 startOffset = -1,
|
|
bool erase = false);
|
|
void _DrawCaret(int32 offset);
|
|
void _ShowCaret();
|
|
void _HideCaret();
|
|
void _InvertCaret();
|
|
void _DragCaret(int32 offset);
|
|
|
|
void _StopMouseTracking();
|
|
bool _PerformMouseUp(BPoint where);
|
|
bool _PerformMouseMoved(BPoint where, uint32 code);
|
|
|
|
void _TrackMouse(BPoint where, const BMessage* message,
|
|
bool force = false);
|
|
|
|
void _TrackDrag(BPoint where);
|
|
void _InitiateDrag();
|
|
bool _MessageDropped(BMessage* inMessage, BPoint where, BPoint offset);
|
|
|
|
void _PerformAutoScrolling();
|
|
void _UpdateScrollbars();
|
|
void _AutoResize(bool doRedraw = true);
|
|
|
|
void _NewOffscreen(float padding = 0.0F);
|
|
void _DeleteOffscreen();
|
|
|
|
void _Activate();
|
|
void _Deactivate();
|
|
|
|
void _NormalizeFont(BFont* font);
|
|
|
|
void _SetRunArray(int32 startOffset, int32 endOffset,
|
|
const text_run_array* inRuns);
|
|
|
|
uint32 _CharClassification(int32 offset) const;
|
|
int32 _NextInitialByte(int32 offset) const;
|
|
int32 _PreviousInitialByte(int32 offset) const;
|
|
|
|
bool _GetProperty(BMessage* specifier, int32 form, const char* property,
|
|
BMessage* reply);
|
|
|
|
bool _SetProperty(BMessage* specifier, int32 form, const char* property,
|
|
BMessage* reply);
|
|
|
|
bool _CountProperties(BMessage* specifier, int32 form,
|
|
const char* property, BMessage* reply);
|
|
|
|
void _HandleInputMethodChanged(BMessage* message);
|
|
void _HandleInputMethodLocationRequest();
|
|
void _CancelInputMethod();
|
|
|
|
static void LockWidthBuffer();
|
|
static void UnlockWidthBuffer();
|
|
|
|
_BTextGapBuffer_* fText;
|
|
_BLineBuffer_* fLines;
|
|
_BStyleBuffer_* fStyles;
|
|
BRect fTextRect;
|
|
int32 fSelStart;
|
|
int32 fSelEnd;
|
|
bool fCaretVisible;
|
|
bigtime_t fCaretTime;
|
|
int32 fClickOffset;
|
|
int32 fClickCount;
|
|
bigtime_t fClickTime;
|
|
int32 fDragOffset;
|
|
uint8 fCursor;
|
|
bool fActive;
|
|
bool fStylable;
|
|
float fTabWidth;
|
|
bool fSelectable;
|
|
bool fEditable;
|
|
bool fWrap;
|
|
int32 fMaxBytes;
|
|
BList* fDisallowedChars;
|
|
alignment fAlignment;
|
|
bool fAutoindent;
|
|
BBitmap* fOffscreen;
|
|
color_space fColorSpace;
|
|
bool fResizable;
|
|
BView* fContainerView;
|
|
_BUndoBuffer_* fUndo;
|
|
_BInlineInput_* fInline;
|
|
BMessageRunner * fDragRunner;
|
|
BMessageRunner * fClickRunner;
|
|
BPoint fWhere;
|
|
_BTextTrackState_* fTrackingMouse;
|
|
_BTextChangeResult_* fTextChange;
|
|
uint32 _reserved[9];
|
|
|
|
static _BWidthBuffer_* sWidths;
|
|
static sem_id sWidthSem;
|
|
static int32 sWidthAtom;
|
|
};
|
|
|
|
#endif // _TEXTVIEW_H
|