ZLTextWordCursor ZLTextAreaController::buildInfos(const ZLTextWordCursor &start) {
	myArea.myLineInfos.clear();

	ZLTextWordCursor cursor = start;
	int textHeight = myArea.height();
	int counter = 0;
	do {
		ZLTextWordCursor paragraphEnd = cursor;
		paragraphEnd.moveToParagraphEnd();
		ZLTextWordCursor paragraphStart = cursor;
		paragraphStart.moveToParagraphStart();

		ZLTextArea::Style style(myArea, myArea.myProperties.baseStyle());
		style.applyControls(paragraphStart, cursor);
		ZLTextLineInfoPtr info = new ZLTextLineInfo(cursor, style.textStyle(), style.bidiLevel());

		while (!info->End.isEndOfParagraph()) {
			info = myArea.processTextLine(style, info->End, paragraphEnd);
			textHeight -= info->Height + info->Descent;
			if ((textHeight < 0) && (counter > 0)) {
				break;
			}
			textHeight -= info->VSpaceAfter;
			cursor = info->End;
			myArea.myLineInfos.push_back(info);
			if (textHeight < 0) {
				break;
			}
			++counter;
		}
	} while (cursor.isEndOfParagraph() && cursor.nextParagraph() && !cursor.paragraphCursor().isEndOfSection() && (textHeight >= 0));

	return cursor;
}
void ZLTextAreaController::skip(ZLTextWordCursor &cursor, SizeUnit unit, int size) {
	ZLTextWordCursor paragraphStart = cursor;
	paragraphStart.moveToParagraphStart();
	ZLTextWordCursor paragraphEnd = cursor;
	paragraphEnd.moveToParagraphEnd();

	ZLTextArea::Style style(myArea, myArea.myProperties.baseStyle());
	style.applyControls(paragraphStart, cursor);

	while (!cursor.isEndOfParagraph() && (size > 0)) {
		const ZLTextLineInfoPtr info = 
			myArea.processTextLine(style, cursor, paragraphEnd);
		cursor = info->End;
		size -= infoHeight(*info, unit);
	}
}
int ZLTextAreaController::paragraphHeight(const ZLTextWordCursor &cursor, bool beforeCurrentPosition, SizeUnit unit) {
	ZLTextWordCursor word = cursor;
	word.moveToParagraphStart();
	ZLTextWordCursor end = cursor;
	if (!beforeCurrentPosition) {
		end.moveToParagraphEnd();
	}
	
	int size = 0;

	ZLTextArea::Style style(myArea, myArea.myProperties.baseStyle());
	while (!word.equalElementIndex(end)) {
		const ZLTextLineInfoPtr info = myArea.processTextLine(style, word, end);
		word = info->End;
		size += infoHeight(*info, unit);
	}

	return size;
}
Exemplo n.º 4
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void ZLTextSelectionModel::extendWordSelectionToParagraph() {
	clear();

	myFirstBound.Before.ElementIndex = 0;
	myFirstBound.Before.CharIndex = 0;
	myFirstBound.After = myFirstBound.Before;

	ZLTextWordCursor cursor = myView.startCursor();
	cursor.moveToParagraph(myFirstBound.Before.ParagraphIndex);
	cursor.moveToParagraphEnd();

	mySecondBound.Before.ElementIndex = cursor.elementIndex();
	mySecondBound.Before.CharIndex = 0;
	mySecondBound.After = mySecondBound.Before;

	myIsEmpty = false;
	myTextIsUpToDate = false;
	myRangeVectorIsUpToDate = false;
	myDoUpdate = false;
}
Exemplo n.º 5
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void ZLTextSelectionModel::extendWordSelectionToParagraph() {
	clear();

	myFirstBound.Before.ElementIndex = 0;
	myFirstBound.Before.CharIndex = 0;
	myFirstBound.After = myFirstBound.Before;

	ZLTextWordCursor cursor = myArea.startCursor();
	cursor.moveToParagraph(myFirstBound.Before.ParagraphIndex);
	cursor.moveToParagraphEnd();

	mySecondBound.Before.ElementIndex = cursor.elementIndex();
	mySecondBound.Before.CharIndex = 0;
	mySecondBound.After = mySecondBound.Before;

	myIsEmpty = false;
	myTextIsUpToDate = false;
	myRangeVectorIsUpToDate = false;

	copySelectionToClipboard(ZLDialogManager::CLIPBOARD_SELECTION);
}
Exemplo n.º 6
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const std::vector<ZLTextSelectionModel::Range> &ZLTextSelectionModel::ranges() const {
	if (!myRangeVectorIsUpToDate && !isEmpty()) {
		Range r = internalRange();

		ZLTextWordCursor cursor = myArea.startCursor();
		cursor.moveToParagraph(r.first.ParagraphIndex);
		cursor.moveToParagraphStart();
		int startLevel = 0;
		for (int i = r.first.ElementIndex; i > 0; --i) {
			switch (cursor.element().kind()) {
				case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
					++startLevel;
					break;
				case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
					--startLevel;
					break;
				default:
					break;
			}
			cursor.nextWord();
		}

		cursor.moveToParagraph(r.second.ParagraphIndex);
		cursor.moveToParagraphEnd();
		int endLevel = 0;
		for (int i = cursor.elementIndex() - r.second.ElementIndex; i > 0; --i) {
			cursor.previousWord();
			switch (cursor.element().kind()) {
				case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
					--endLevel;
					break;
				case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
					++endLevel;
					break;
				default:
					break;
			}
		}

		if ((startLevel == 0) && (endLevel == 0)) {
			myRanges.push_back(r);
		} else if (r.first.ParagraphIndex == r.second.ParagraphIndex) {
			BoundElement leftBound = r.first;
			BoundElement rightBound;
			rightBound.Exists = true;
			rightBound.ParagraphIndex = leftBound.ParagraphIndex;
			rightBound.CharIndex = 0;
			cursor.moveTo(r.first.ElementIndex, 0);
			for (int i = r.first.ElementIndex; i < r.second.ElementIndex; ++i) {
				ZLTextElement::Kind kind = cursor.element().kind();
				if ((kind == ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT) ||
						(kind == ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT)) {
					rightBound.ElementIndex = i;
					myRanges.push_back(Range(leftBound, rightBound));
					leftBound = rightBound;
				}
				cursor.nextWord();
			}
			myRanges.push_back(Range(leftBound, r.second));
		} else {
			BoundElement leftBound = r.first;
			if (startLevel > 0) {
				BoundElement rightBound;
				rightBound.Exists = true;
				rightBound.ParagraphIndex = leftBound.ParagraphIndex;
				rightBound.ElementIndex = leftBound.ElementIndex;
				rightBound.CharIndex = 0;
				cursor.moveToParagraph(r.first.ParagraphIndex);
				cursor.moveTo(r.first.ElementIndex, 0);
				while (startLevel > 0) {
					switch(cursor.element().kind()) {
						case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
							++startLevel;
							rightBound.ElementIndex = cursor.elementIndex();
							myRanges.push_back(Range(leftBound, rightBound));
							leftBound = rightBound;
							break;
						case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
							--startLevel;
							rightBound.ElementIndex = cursor.elementIndex();
							myRanges.push_back(Range(leftBound, rightBound));
							leftBound = rightBound;
							break;
						default:
							break;
					}
					cursor.nextWord();
				}
			}

			BoundElement rightBound1 = r.second;
			if (endLevel > 0) {
				BoundElement leftBound1;
				leftBound1.Exists = true;
				leftBound1.ParagraphIndex = rightBound1.ParagraphIndex;
				leftBound1.ElementIndex = rightBound1.ElementIndex;
				leftBound1.CharIndex = 0;
				cursor.moveToParagraph(r.second.ParagraphIndex);
				cursor.moveTo(r.second.ElementIndex, 0);
				while (endLevel > 0) {
					switch(cursor.element().kind()) {
						case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
							--endLevel;
							leftBound1.ElementIndex = cursor.elementIndex();
							myRanges.push_back(Range(leftBound1, rightBound1));
							rightBound1 = leftBound1;
							break;
						case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
							++endLevel;
							rightBound1.ElementIndex = cursor.elementIndex();
							myRanges.push_back(Range(leftBound1, rightBound1));
							rightBound1 = leftBound1;
							break;
						default:
							break;
					}
					cursor.previousWord();
				}
			}
			myRanges.push_back(Range(leftBound, rightBound1));
		}

		myRangeVectorIsUpToDate = true;
	}
	return myRanges;
}