blob: 7c16a6da892d8b5adecfd05d16d4647d38b33efb [file] [log] [blame]
/*
* 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);
}