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* Copyright (C) 2009, Alexander Stigsen,
* This software is licensed under the Open Company License as described
* in the file license.txt, which you should have received as part of this
* distribution. The terms are also available at
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
#ifndef __DIFFBAR_H__
#define __DIFFBAR_H__
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include <wx/wx.h>
#include "Catalyst.h"
#include "styler.h"
#include <vector>
// pre-definitions
class EditorFrame;
class EditorCtrl;
class TmSyntaxHandler;
class DiffBar : public wxControl {
DiffBar(wxWindow* parent, CatalystWrapper& cw, EditorCtrl* leftEditor, EditorCtrl* rightEditor, TmSyntaxHandler& syntax_handler);
void Init();
void SetCallbacks();
void SetDiff();
void Swap();
class LineMatch {
unsigned int left_start;
unsigned int left_end;
unsigned int right_start;
unsigned int right_end;
cxChangeType left_type;
cxChangeType right_type;
const std::vector<LineMatch>& GetLineMatches() const {return m_lineMatches;};
class Change {
Change(cxChangeType type, unsigned int start, unsigned int end, unsigned int pos)
: type(type), start_pos(start), end_pos(end), rev_pos(pos) {};
cxChangeType type;
unsigned int start_pos;
unsigned int end_pos;
unsigned int rev_pos;
class DiffStyler : public Styler {
DiffStyler(const vector<Change>& diffs, bool isLeft, TmSyntaxHandler& syntax_handler);
void SwapSide() {m_isLeft = !m_isLeft;};
void Style(StyleRun& sr);
bool m_isLeft;
const std::vector<Change>& m_diffs;
wxColor m_delColor;
wxColor m_insColor;
void TransformMatchlist();
void DrawLayout(wxDC& dc);
std::vector<LineMatch>::const_iterator OnLeftBracket(int y);
std::vector<LineMatch>::const_iterator OnRightBracket(int y);
// Event handlers
void OnPaint(wxPaintEvent& event);
void OnSize(wxSizeEvent& event);
void OnEraseBackground(wxEraseEvent& event);
void OnMouseLeftUp(wxMouseEvent& event);
void OnMouseMotion(wxMouseEvent& event);
void OnMouseLeave(wxMouseEvent& event);
// Callback handlers
static void OnBeforeEditorRedraw(void* data);
static void OnLeftEditorRedrawn(void* data);
static void OnRightEditorRedrawn(void* data);
static void OnLeftEditorScroll(void* data);
static void OnRightEditorScroll(void* data);
static void OnLeftDocumentChanged(cxChangeType type, unsigned int pos, unsigned int len, void* data);
static void OnRightDocumentChanged(cxChangeType type, unsigned int pos, unsigned int len, void* data);
// Member variables
CatalystWrapper m_catalyst;
EditorCtrl* m_leftEditor;
EditorCtrl* m_rightEditor;
list<cxMatch> m_matchlist;
std::vector<Change> m_diffs;
std::vector<LineMatch> m_lineMatches;
DiffStyler m_leftStyler;
DiffStyler m_rightStyler;
bool m_needRedraw;
bool m_needTransform;
int m_highlight;
static const unsigned int s_bracketWidth;
#endif // __DIFFBAR_H__