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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "DebuggerViews.h"
DebuggerCommandsView::DebuggerCommandsView() {
fBGColor = 0xFFBBBBBB;
fTopIndex = 0;
fHighlight = 0;
fResizing = false;
SkPaint p;
p.setTextSize(SkIntToScalar(SKDEBUGGER_TEXTSIZE));
fSpacing = p.getFontSpacing();
fCentered = false;
fRange = (int)(this->height()/fSpacing) - 1;
}
DebuggerCommandsView::~DebuggerCommandsView() {
fList.deleteAll();
}
bool DebuggerCommandsView::onEvent(const SkEvent& evt) {
if (evt.isType(SKDEBUGGER_COMMANDTYPE)) {
*fList.append() = new SkString(evt.findString(SKDEBUGGER_ATOM));
this->inval(NULL);
return true;
}
return this->INHERITED::onEvent(evt);
}
void DebuggerCommandsView::onSizeChange() {
fRange = (int)(this->height()/fSpacing);
this->INHERITED::onSizeChange();
}
void DebuggerCommandsView::alignCenter() {
if (!fCentered || fHighlight < fRange/2 || fHighlight > (fList.count() - fRange/2)) {
return;
} else {
if (fHighlight > (fTopIndex + fRange/2))
fTopIndex += fHighlight - (fTopIndex + fRange/2);
if (fHighlight < (fTopIndex + fRange/2))
fTopIndex -= (fTopIndex + fRange/2) - fHighlight;
}
}
int DebuggerCommandsView::nextItem() {
if (fHighlight < fList.count() - 1)
++fHighlight;
if (fHighlight < fTopIndex || fHighlight > (fTopIndex + fRange))
fTopIndex = fHighlight;
if (fHighlight == (fTopIndex + fRange))
++fTopIndex;
this->alignCenter();
this->inval(NULL);
return fHighlight;
}
int DebuggerCommandsView::prevItem() {
if (fHighlight > 0)
--fHighlight;
if (fHighlight < fTopIndex || fHighlight > (fTopIndex + fRange))
fTopIndex = fHighlight;
this->alignCenter();
this->inval(NULL);
return fHighlight;
}
int DebuggerCommandsView::scrollUp() {
if (fTopIndex > 0)
--fTopIndex;
this->inval(NULL);
return fHighlight;
}
int DebuggerCommandsView::scrollDown() {
if (fTopIndex < (fList.count() - 1))
++fTopIndex;
this->inval(NULL);
return fHighlight;
}
void DebuggerCommandsView::highlight(int index) {
SkASSERT(index >= 0 && index < fList.count());
if (fHighlight != index) {
fHighlight = index;
this->alignCenter();
this->inval(NULL);
}
}
int DebuggerCommandsView::selectHighlight(int ypos) {
int i = (int)(ypos/fSpacing) + fTopIndex;
if (i >= fList.count()) {
i = fList.count() - 1;
}
if (fHighlight != i) {
fHighlight = i;
this->alignCenter();
this->inval(NULL);
}
return fHighlight;
}
void DebuggerCommandsView::toggleCentered() {
fCentered = !fCentered;
this->alignCenter();
this->inval(NULL);
}
void DebuggerCommandsView::onDraw(SkCanvas* canvas) {
canvas->drawColor(fBGColor);
SkPaint p;
p.setTextSize(SkIntToScalar(SKDEBUGGER_TEXTSIZE));
p.setAntiAlias(true);
//draw highlight
int selected = fHighlight - fTopIndex;
SkRect r = {0, fSpacing * selected, this->width(), fSpacing * (selected+1)};
p.setColor(SKDEBUGGER_HIGHLIGHTCOLOR);
canvas->drawRect(r, p);
int endIndex = fTopIndex + fRange;
if (endIndex > fList.count())
endIndex = fList.count();
p.setColor(SKDEBUGGER_TEXTCOLOR);
int pos;
for (int i = fTopIndex; i < endIndex; ++i) {
pos = i - fTopIndex;
canvas->drawText(fList[i]->c_str(), fList[i]->size(),
0, fSpacing - 2 + fSpacing * pos, p);
}
p.setColor(SKDEBUGGER_RESIZEBARCOLOR);
r = SkRect::MakeXYWH(this->width() - SKDEBUGGER_RESIZEBARSIZE, 0,
SKDEBUGGER_RESIZEBARSIZE, this->height());
canvas->drawRect(r, p);
this->INHERITED::onDraw(canvas);
}
|
