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Code Activity

Introjucer: editor scrolling changes.

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This commit is contained in:
jules 2012-09-13 21:39:54 +01:00
parent 2e777f8943
commit 68880492f1
4 changed files with 32 additions and 14 deletions
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28
extras/Introjucer/Source/Code Editor/jucer_SourceCodeEditor.cpp
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@ -131,16 +131,28 @@ void SourceCodeEditor::setEditor (CodeEditorComponent* newEditor)
getAppSettings().appearance.settings.addListener (this);
}
void SourceCodeEditor::highlightLine (int lineNum, int characterIndex)
void SourceCodeEditor::scrollToKeepRangeOnScreen (const Range<int>& range)
{
if (lineNum <= editor->getFirstLineOnScreen()
|| lineNum >= editor->getFirstLineOnScreen() + editor->getNumLinesOnScreen() - 1)
{
editor->scrollToLine (jmax (0, jmin (lineNum - editor->getNumLinesOnScreen() / 3,
editor->getDocument().getNumLines() - editor->getNumLinesOnScreen())));
}
const int space = jmin (10, editor->getNumLinesOnScreen() / 3);
const CodeDocument::Position start (editor->getDocument(), range.getStart());
const CodeDocument::Position end (editor->getDocument(), range.getEnd());
editor->moveCaretTo (CodeDocument::Position (editor->getDocument(), lineNum - 1, characterIndex), false);
editor->scrollToKeepLinesOnScreen (Range<int> (start.getLineNumber() - space, end.getLineNumber() + space));
}
void SourceCodeEditor::highlight (const Range<int>& range, bool cursorAtStart)
{
scrollToKeepRangeOnScreen (range);
if (cursorAtStart)
{
editor->moveCaretTo (CodeDocument::Position (editor->getDocument(), range.getEnd()), false);
editor->moveCaretTo (CodeDocument::Position (editor->getDocument(), range.getStart()), true);
}
else
{
editor->setHighlightedRegion (range);
}
}
void SourceCodeEditor::resized()