Files
haiku-beta6/src/apps/diskprobe/DataView.h
T
Axel Dörfler 0a39d7d615 ProbeView accidently didn't listen to kDataViewPreferredSize events.
Implemented the "Fit" font size setting.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6773 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-02-27 17:14:53 +00:00

110 lines
2.8 KiB
C++

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