1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// Scintilla source code edit control
/** @file EditView.h
** Defines the appearance of the main text area of the editor window.
**/
// Copyright 1998-2014 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#ifndef EDITVIEW_H
#define EDITVIEW_H
#ifdef SCI_NAMESPACE
namespace Scintilla {
#endif
struct PrintParameters {
int magnification;
int colourMode;
WrapMode wrapState;
PrintParameters();
};
/**
* EditView draws the main text area.
*/
class EditView {
public:
PrintParameters printParameters;
bool hideSelection;
bool drawOverstrikeCaret;
/** In bufferedDraw mode, graphics operations are drawn to a pixmap and then copied to
* the screen. This avoids flashing but is about 30% slower. */
bool bufferedDraw;
/** In twoPhaseDraw mode, drawing is performed in two phases, first the background
* and then the foreground. This avoids chopping off characters that overlap the next run. */
bool twoPhaseDraw;
int lineWidthMaxSeen;
bool additionalCaretsBlink;
bool additionalCaretsVisible;
Surface *pixmapLine;
Surface *pixmapIndentGuide;
Surface *pixmapIndentGuideHighlight;
LineLayoutCache llc;
PositionCache posCache;
EditView();
void DropGraphics(bool freeObjects);
void AllocateGraphics(const ViewStyle &vsDraw);
void RefreshPixMaps(Surface *surfaceWindow, WindowID wid, const ViewStyle &vsDraw);
LineLayout *RetrieveLineLayout(int lineNumber, const EditModel &model);
void LayoutLine(const EditModel &model, int line, Surface *surface, const ViewStyle &vstyle,
LineLayout *ll, int width = LineLayout::wrapWidthInfinite);
Point LocationFromPosition(Surface *surface, const EditModel &model, SelectionPosition pos, int topLine, const ViewStyle &vs);
SelectionPosition SPositionFromLocation(Surface *surface, const EditModel &model, Point pt, bool canReturnInvalid,
bool charPosition, bool virtualSpace, const ViewStyle &vs);
SelectionPosition SPositionFromLineX(Surface *surface, const EditModel &model, int lineDoc, int x, const ViewStyle &vs);
int DisplayFromPosition(Surface *surface, const EditModel &model, int pos, const ViewStyle &vs);
int StartEndDisplayLine(Surface *surface, const EditModel &model, int pos, bool start, const ViewStyle &vs);
void DrawIndentGuide(Surface *surface, int lineVisible, int lineHeight, int start, PRectangle rcSegment, bool highlight);
void DrawEOL(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, PRectangle rcLine,
int line, int lineEnd, int xStart, int subLine, XYACCUMULATOR subLineStart,
ColourOptional background);
void DrawAnnotation(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
int line, int xStart, PRectangle rcLine, int subLine);
void DrawCarets(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, int line,
int xStart, PRectangle rcLine, int subLine) const;
void DrawBackground(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, PRectangle rcLine,
Range lineRange, int posLineStart, int xStart,
int subLine, ColourOptional background);
void DrawForeground(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, int lineVisible,
PRectangle rcLine, Range lineRange, int posLineStart, int xStart,
int subLine, ColourOptional background);
void DrawIndentGuidesOverEmpty(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll,
int line, int lineVisible, PRectangle rcLine, int xStart, int subLine);
void DrawLine(Surface *surface, const EditModel &model, const ViewStyle &vsDraw, const LineLayout *ll, int line,
int lineVisible, int xStart, PRectangle rcLine, int subLine);
void PaintText(Surface *surfaceWindow, const EditModel &model, PRectangle rcArea, PRectangle rcClient,
const ViewStyle &vsDraw);
long FormatRange(bool draw, Sci_RangeToFormat *pfr, Surface *surface, Surface *surfaceMeasure,
const EditModel &model, const ViewStyle &vs);
};
/**
* Convenience class to ensure LineLayout objects are always disposed.
*/
class AutoLineLayout {
LineLayoutCache &llc;
LineLayout *ll;
AutoLineLayout &operator=(const AutoLineLayout &);
public:
AutoLineLayout(LineLayoutCache &llc_, LineLayout *ll_) : llc(llc_), ll(ll_) {}
~AutoLineLayout() {
llc.Dispose(ll);
ll = 0;
}
LineLayout *operator->() const {
return ll;
}
operator LineLayout *() const {
return ll;
}
void Set(LineLayout *ll_) {
llc.Dispose(ll);
ll = ll_;
}
};
#ifdef SCI_NAMESPACE
}
#endif
#endif
|
