Eberhard Graether
2bdc9b19a2
* Added navigation to top of code view for iterating references and switching between list and single file mode * current file name and reference count is shown on top in single file mode * refactored scrolling to location or line via request system * added parameters animated and toTop to scrolling system * refactored class hierarchy and removed unused stuff in list mode
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
#include "qt/element/QtCodeNavigateable.h"
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#include <QPropertyAnimation>
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#include <QScrollArea>
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#include <QScrollBar>
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QtCodeNavigateable::~QtCodeNavigateable()
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{
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}
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void QtCodeNavigateable::ensureWidgetVisibleAnimated(
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QWidget* parentWidget, QWidget *childWidget, QRectF rect, bool animated, bool onTop)
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{
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QAbstractScrollArea* area = getScrollArea();
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if (!area || !parentWidget->isAncestorOf(childWidget))
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{
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return;
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}
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const QRect microFocus = childWidget->inputMethodQuery(Qt::ImCursorRectangle).toRect();
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const QRect defaultMicroFocus = childWidget->QWidget::inputMethodQuery(Qt::ImCursorRectangle).toRect();
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QRect focusRect = (microFocus != defaultMicroFocus)
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? QRect(childWidget->mapTo(parentWidget, microFocus.topLeft()), microFocus.size())
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: QRect(childWidget->mapTo(parentWidget, QPoint(0, 0)), childWidget->size());
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const QRect visibleRect(-parentWidget->pos(), area->viewport()->size());
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if (rect.height() > 0)
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{
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focusRect = QRect(childWidget->mapTo(parentWidget, rect.topLeft().toPoint()), rect.size().toSize());
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focusRect.adjust(0, 0, 0, 100);
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}
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QScrollBar* scrollBar = area->verticalScrollBar();
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int value = focusRect.center().y() - visibleRect.center().y();
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if (onTop)
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{
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value = focusRect.top() - visibleRect.top();
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}
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if (scrollBar && (value > 50 || value < -50))
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{
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if (animated)
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{
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QPropertyAnimation* anim = new QPropertyAnimation(scrollBar, "value");
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anim->setDuration(300);
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anim->setStartValue(scrollBar->value());
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anim->setEndValue(scrollBar->value() + value);
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anim->setEasingCurve(QEasingCurve::InOutQuad);
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anim->start();
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}
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else
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{
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scrollBar->setValue(scrollBar->value() + value);
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}
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}
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}
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void QtCodeNavigateable::ensurePercentVisibleAnimated(double percent, bool animated, bool onTop)
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{
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QAbstractScrollArea* area = getScrollArea();
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if (!area)
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{
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return;
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}
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int totalHeight = area->sizeHint().height();
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int visibleHeight = area->viewport()->height();
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int scrollableHeight = totalHeight - visibleHeight;
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if (scrollableHeight < 0)
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{
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return;
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}
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int scrollHeight = totalHeight * percent;
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if (!onTop)
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{
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scrollHeight -= visibleHeight / 3;
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}
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else
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{
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scrollHeight -= 20;
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}
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QScrollBar* scrollBar = area->verticalScrollBar();
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double scrollFactor = double(scrollBar->maximum()) / scrollableHeight;
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int value = scrollHeight * scrollFactor;
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if (animated)
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{
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QPropertyAnimation* anim = new QPropertyAnimation(scrollBar, "value");
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anim->setDuration(300);
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anim->setStartValue(scrollBar->value());
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anim->setEndValue(value);
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anim->setEasingCurve(QEasingCurve::InOutQuad);
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anim->start();
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}
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else
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{
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scrollBar->setValue(value);
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}
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}
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