6663b6c9
 adorian
projet complet av...
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#include "editor_view.h"
#include <poincare.h>
#include <escher/app.h>
namespace Code {
/* EditorView */
constexpr KDText::FontSize editorFontSize = KDText::FontSize::Large;
EditorView::EditorView(Responder * parentResponder) :
Responder(parentResponder),
View(),
m_textArea(parentResponder, editorFontSize),
m_gutterView(editorFontSize)
{
m_textArea.setScrollViewDelegate(this);
}
void EditorView::scrollViewDidChangeOffset(ScrollViewDataSource * scrollViewDataSource) {
m_gutterView.setOffset(scrollViewDataSource->offset().y());
}
int EditorView::numberOfSubviews() const {
return 2;
}
View * EditorView::subviewAtIndex(int index) {
View * subviews[] = {&m_textArea, &m_gutterView};
return subviews[index];
}
void EditorView::didBecomeFirstResponder() {
app()->setFirstResponder(&m_textArea);
}
void EditorView::layoutSubviews() {
m_gutterView.setOffset(0);
KDCoordinate gutterWidth = m_gutterView.minimalSizeForOptimalDisplay().width();
m_gutterView.setFrame(KDRect(0, 0, gutterWidth, bounds().height()));
m_textArea.setFrame(KDRect(
gutterWidth,
0,
bounds().width()-gutterWidth,
bounds().height()
));
}
/* EditorView::GutterView */
EditorView::GutterView::GutterView(KDText::FontSize fontSize) :
View(),
m_fontSize(fontSize),
m_offset(0)
{
}
void EditorView::GutterView::drawRect(KDContext * ctx, KDRect rect) const {
KDColor textColor = KDColor::RGB24(0x919EA4);
KDColor backgroundColor = KDColor::RGB24(0xE4E6E7);
ctx->fillRect(rect, backgroundColor);
KDSize charSize = KDText::charSize(m_fontSize);
KDCoordinate firstLine = m_offset / charSize.height();
KDCoordinate firstLinePixelOffset = m_offset - firstLine * charSize.height();
char lineNumber[4];
int numberOfLines = bounds().height() / charSize.height() + 1;
for (int i=0; i<numberOfLines; i++) {
Poincare::Integer line(i + firstLine + 1);
line.writeTextInBuffer(lineNumber, 4);
KDCoordinate leftPadding = (2 - strlen(lineNumber)) * charSize.width();
ctx->drawString(
lineNumber,
KDPoint(k_margin + leftPadding, i*charSize.height() - firstLinePixelOffset),
m_fontSize,
textColor,
backgroundColor
);
}
}
void EditorView::GutterView::setOffset(KDCoordinate offset) {
if (m_offset == offset) {
return;
}
m_offset = offset;
markRectAsDirty(bounds());
}
KDSize EditorView::GutterView::minimalSizeForOptimalDisplay() const {
int numberOfChars = 2; // TODO: Could be computed
return KDSize(2 * k_margin + numberOfChars * KDText::charSize(m_fontSize).width(), 0);
}
}
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