Axel Dörfler
247c75991c
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10380 a95241bf-73f2-0310-859d-f6bbb57e9c96
113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
/*
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* Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef DATA_VIEW_H
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#define DATA_VIEW_H
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#include <View.h>
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#include <String.h>
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#include <Path.h>
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class DataEditor;
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enum base_type {
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kHexBase = 16,
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kDecimalBase = 10
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};
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enum view_focus {
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kNoFocus,
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kHexFocus,
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kAsciiFocus
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};
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class DataView : public BView {
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public:
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DataView(BRect rect, DataEditor &editor);
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virtual ~DataView();
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virtual void DetachedFromWindow();
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virtual void AttachedToWindow();
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virtual void MessageReceived(BMessage *message);
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virtual void Draw(BRect updateRect);
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virtual void MouseDown(BPoint where);
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virtual void MouseMoved(BPoint where, uint32 transit, const BMessage *message);
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virtual void MouseUp(BPoint where);
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virtual void KeyDown(const char *bytes, int32 numBytes);
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virtual void WindowActivated(bool active);
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virtual void MakeFocus(bool focus);
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virtual void FrameResized(float width, float height);
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virtual void SetFont(const BFont *font, uint32 properties = B_FONT_ALL);
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virtual void GetPreferredSize(float *_width, float *_height);
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bool FontSizeFitsBounds() const { return fFitFontSize; }
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float FontSize() const;
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void SetFontSize(float point);
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void UpdateScroller();
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void MakeVisible(int32 position);
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void SetSelection(int32 start, int32 end, view_focus focus = kNoFocus);
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void GetSelection(int32 &start, int32 &end);
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void InvalidateRange(int32 start, int32 end);
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base_type Base() const { return fBase; }
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void SetBase(base_type type);
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const uint8 *DataAt(int32 start);
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private:
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BRect DataBounds(bool inView = false) const;
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BRect SelectionFrame(view_focus which, int32 start, int32 end);
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int32 PositionAt(view_focus focus, BPoint point, view_focus *_newFocus = NULL);
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void DrawSelectionFrame(view_focus which);
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void DrawSelectionBlock(view_focus which, int32 start, int32 end);
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void DrawSelectionBlock(view_focus which);
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void DrawSelection(bool frameOnly = false);
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void SetActive(bool active);
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void SetFocus(view_focus which);
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void UpdateFromEditor(BMessage *message = NULL);
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void ConvertLine(char *line, off_t offset, const uint8 *buffer, size_t size);
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void Copy();
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void Paste();
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DataEditor &fEditor;
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int32 fPositionLength;
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uint8 *fData;
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size_t fDataSize;
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off_t fFileSize;
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size_t fSizeInView;
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off_t fOffset;
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float fAscent;
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int32 fFontHeight;
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float fCharWidth;
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view_focus fFocus;
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base_type fBase;
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bool fIsActive;
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int32 fStart, fEnd;
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int32 fMouseSelectionStart;
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int32 fKeySelectionStart;
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int32 fBitPosition;
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bool fFitFontSize;
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};
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static const uint32 kMsgBaseType = 'base';
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static const uint32 kMsgUpdateData = 'updt';
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static const uint32 kMsgSetSelection = 'ssel';
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// observer notices
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static const uint32 kDataViewCursorPosition = 'curs';
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static const uint32 kDataViewSelection = 'dsel';
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static const uint32 kDataViewPreferredSize = 'dvps';
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#endif /* DATA_VIEW_H */
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