change: change code style to Linux style except indent.
This commit is contained in:
Mike Solar
+184
-166
@@ -27,262 +27,280 @@
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#include "widget/handmovableview/handmovableview.h"
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namespace olive {
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ViewerSizer::ViewerSizer(QWidget *parent) :
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QWidget(parent),
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widget_(nullptr),
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width_(0),
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height_(0),
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pixel_aspect_(1),
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zoom_(-1),
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current_widget_scale_(0)
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namespace olive
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{
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horiz_scrollbar_ = new QScrollBar(Qt::Horizontal, this);
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horiz_scrollbar_->setVisible(false);
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connect(horiz_scrollbar_, &QScrollBar::valueChanged, this, &ViewerSizer::ScrollBarMoved);
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vert_scrollbar_ = new QScrollBar(Qt::Vertical, this);
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vert_scrollbar_->setVisible(false);
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connect(vert_scrollbar_, &QScrollBar::valueChanged, this, &ViewerSizer::ScrollBarMoved);
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ViewerSizer::ViewerSizer(QWidget *parent)
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: QWidget(parent)
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, widget_(nullptr)
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, width_(0)
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, height_(0)
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, pixel_aspect_(1)
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, zoom_(-1)
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, current_widget_scale_(0)
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{
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horiz_scrollbar_ = new QScrollBar(Qt::Horizontal, this);
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horiz_scrollbar_->setVisible(false);
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connect(horiz_scrollbar_, &QScrollBar::valueChanged, this,
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&ViewerSizer::ScrollBarMoved);
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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vert_scrollbar_ = new QScrollBar(Qt::Vertical, this);
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vert_scrollbar_->setVisible(false);
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connect(vert_scrollbar_, &QScrollBar::valueChanged, this,
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&ViewerSizer::ScrollBarMoved);
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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}
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void ViewerSizer::SetWidget(QWidget *widget)
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{
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// Delete any previous widgets occupying this space
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delete widget_;
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// Delete any previous widgets occupying this space
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delete widget_;
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widget_ = widget;
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widget_ = widget;
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if (widget_ != nullptr) {
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widget_->setParent(this);
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widget_->installEventFilter(this);
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if (widget_ != nullptr) {
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widget_->setParent(this);
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widget_->installEventFilter(this);
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UpdateSize();
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}
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UpdateSize();
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}
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}
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QSize ViewerSizer::GetContainerSize() const
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{
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double s = GetRealCurrentZoom();
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return QSize(std::min(this->width(), int(width_ * s)) - vert_scrollbar_->width(), std::min(int(height_ * s), this->height()) - horiz_scrollbar_->height());
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double s = GetRealCurrentZoom();
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return QSize(std::min(this->width(), int(width_ * s)) -
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vert_scrollbar_->width(),
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std::min(int(height_ * s), this->height()) -
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horiz_scrollbar_->height());
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}
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void ViewerSizer::SetChildSize(int width, int height)
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{
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width_ = width;
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height_ = height;
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width_ = width;
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height_ = height;
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UpdateSize();
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UpdateSize();
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}
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void ViewerSizer::SetPixelAspectRatio(const rational &pixel_aspect)
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{
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pixel_aspect_ = pixel_aspect;
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pixel_aspect_ = pixel_aspect;
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UpdateSize();
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UpdateSize();
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}
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void ViewerSizer::SetZoom(double percent)
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{
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zoom_ = percent;
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zoom_ = percent;
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UpdateSize();
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UpdateSize();
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}
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void ViewerSizer::SetZoomAnchored(double next_scale, double cursor_x, double cursor_y)
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void ViewerSizer::SetZoomAnchored(double next_scale, double cursor_x,
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double cursor_y)
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{
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if (next_scale > 0) {
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double cur_scale = GetRealCurrentZoom();
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if (next_scale > 0) {
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double cur_scale = GetRealCurrentZoom();
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// Clamp scale within safe values
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next_scale = std::clamp(next_scale, kZoomLevels[0], kZoomLevels[kZoomLevelCount-1]);
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// Clamp scale within safe values
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next_scale = std::clamp(next_scale, kZoomLevels[0],
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kZoomLevels[kZoomLevelCount - 1]);
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int anchor_x = qRound(double(cursor_x + horiz_scrollbar_->value()) / cur_scale * next_scale - cursor_x);
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int anchor_y = qRound(double(cursor_y + vert_scrollbar_->value()) / cur_scale * next_scale - cursor_y);
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int anchor_x = qRound(double(cursor_x + horiz_scrollbar_->value()) /
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cur_scale * next_scale -
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cursor_x);
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int anchor_y = qRound(double(cursor_y + vert_scrollbar_->value()) /
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cur_scale * next_scale -
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cursor_y);
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SetZoom(next_scale);
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SetZoom(next_scale);
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horiz_scrollbar_->setValue(anchor_x);
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vert_scrollbar_->setValue(anchor_y);
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} else {
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SetZoom(-1);
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horiz_scrollbar_->setValue(anchor_x);
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vert_scrollbar_->setValue(anchor_y);
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} else {
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SetZoom(-1);
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horiz_scrollbar_->setValue(0);
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vert_scrollbar_->setValue(0);
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}
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horiz_scrollbar_->setValue(0);
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vert_scrollbar_->setValue(0);
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}
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}
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void ViewerSizer::HandDragMove(int x, int y)
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{
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if (horiz_scrollbar_->isVisible()) {
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horiz_scrollbar_->setValue(horiz_scrollbar_->value() - x);
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}
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if (horiz_scrollbar_->isVisible()) {
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horiz_scrollbar_->setValue(horiz_scrollbar_->value() - x);
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}
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if (vert_scrollbar_->isVisible()) {
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vert_scrollbar_->setValue(vert_scrollbar_->value() - y);
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}
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if (vert_scrollbar_->isVisible()) {
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vert_scrollbar_->setValue(vert_scrollbar_->value() - y);
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}
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}
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bool ViewerSizer::eventFilter(QObject *watched, QEvent *event)
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{
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if (watched == widget_) {
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if (event->type() == QEvent::Wheel) {
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QWheelEvent *w = static_cast<QWheelEvent*>(event);
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if (watched == widget_) {
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if (event->type() == QEvent::Wheel) {
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QWheelEvent *w = static_cast<QWheelEvent *>(event);
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if (HandMovableView::WheelEventIsAZoomEvent(w)) {
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double next_scale = GetRealCurrentZoom() * HandMovableView::GetScrollZoomMultiplier(w);
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QPointF cursor_pos = w->position();
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SetZoomAnchored(next_scale, cursor_pos.x(), cursor_pos.y());
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} else {
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// Pass scroll values to scrollbars
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QPoint p = w->pixelDelta();
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horiz_scrollbar_->setValue(horiz_scrollbar_->value() - p.x());
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vert_scrollbar_->setValue(vert_scrollbar_->value() - p.y());
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}
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return true;
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}
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}
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if (HandMovableView::WheelEventIsAZoomEvent(w)) {
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double next_scale = GetRealCurrentZoom() *
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HandMovableView::GetScrollZoomMultiplier(w);
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QPointF cursor_pos = w->position();
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SetZoomAnchored(next_scale, cursor_pos.x(), cursor_pos.y());
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} else {
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// Pass scroll values to scrollbars
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QPoint p = w->pixelDelta();
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horiz_scrollbar_->setValue(horiz_scrollbar_->value() - p.x());
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vert_scrollbar_->setValue(vert_scrollbar_->value() - p.y());
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}
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return true;
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}
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}
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return QWidget::eventFilter(watched, event);
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return QWidget::eventFilter(watched, event);
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}
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void ViewerSizer::resizeEvent(QResizeEvent *event)
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{
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QWidget::resizeEvent(event);
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QWidget::resizeEvent(event);
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UpdateSize();
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UpdateSize();
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}
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void ViewerSizer::UpdateSize()
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{
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if (widget_ == nullptr) {
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return;
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}
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if (widget_ == nullptr) {
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return;
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}
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// If the aspect ratio is 0, default to taking all space
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if (!width_ || !height_) {
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widget_->move(0, 0);
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widget_->resize(width(), height());
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return;
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}
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// If the aspect ratio is 0, default to taking all space
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if (!width_ || !height_) {
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widget_->move(0, 0);
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widget_->resize(width(), height());
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return;
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}
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// Calculate how much UI space is available (it will be less if we have to show scrollbars)
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int available_width = width();
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int available_height = height();
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// Calculate how much UI space is available (it will be less if we have to show scrollbars)
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int available_width = width();
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int available_height = height();
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// Determine if we need scrollbars for the zoom we want
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horiz_scrollbar_->setVisible(zoom_ > 0 && GetZoomedValue(width_) > available_width);
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vert_scrollbar_->setVisible(zoom_ > 0 && GetZoomedValue(height_) > available_height);
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// Determine if we need scrollbars for the zoom we want
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horiz_scrollbar_->setVisible(zoom_ > 0 &&
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GetZoomedValue(width_) > available_width);
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vert_scrollbar_->setVisible(zoom_ > 0 &&
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GetZoomedValue(height_) > available_height);
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// Horizontal scrollbar will reduce the available height
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if (horiz_scrollbar_->isVisible()) {
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available_height -= horiz_scrollbar_->sizeHint().height();
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}
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// Horizontal scrollbar will reduce the available height
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if (horiz_scrollbar_->isVisible()) {
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available_height -= horiz_scrollbar_->sizeHint().height();
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}
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// Vertical scrollbar will reduce the available width
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if (vert_scrollbar_->isVisible()) {
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available_width -= vert_scrollbar_->sizeHint().width();
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}
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// Vertical scrollbar will reduce the available width
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if (vert_scrollbar_->isVisible()) {
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available_width -= vert_scrollbar_->sizeHint().width();
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}
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// Set correct values on horizontal scrollbar
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if (horiz_scrollbar_->isVisible()) {
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horiz_scrollbar_->resize(available_width, horiz_scrollbar_->sizeHint().height());
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horiz_scrollbar_->move(0, this->height() - horiz_scrollbar_->height() - 1);
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horiz_scrollbar_->setMaximum(GetZoomedValue(width_) - available_width);
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horiz_scrollbar_->setPageStep(available_width);
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}
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// Set correct values on horizontal scrollbar
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if (horiz_scrollbar_->isVisible()) {
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horiz_scrollbar_->resize(available_width,
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horiz_scrollbar_->sizeHint().height());
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horiz_scrollbar_->move(0,
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this->height() - horiz_scrollbar_->height() - 1);
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horiz_scrollbar_->setMaximum(GetZoomedValue(width_) - available_width);
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horiz_scrollbar_->setPageStep(available_width);
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}
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// Set correct values on vertical scrollbar
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if (vert_scrollbar_->isVisible()) {
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vert_scrollbar_->resize(vert_scrollbar_->sizeHint().width(), available_height);
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vert_scrollbar_->move(this->width() - vert_scrollbar_->width() - 1, 0);
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vert_scrollbar_->setMaximum(GetZoomedValue(height_) - available_height);
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vert_scrollbar_->setPageStep(available_height);
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}
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// Set correct values on vertical scrollbar
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if (vert_scrollbar_->isVisible()) {
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vert_scrollbar_->resize(vert_scrollbar_->sizeHint().width(),
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available_height);
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vert_scrollbar_->move(this->width() - vert_scrollbar_->width() - 1, 0);
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vert_scrollbar_->setMaximum(GetZoomedValue(height_) - available_height);
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vert_scrollbar_->setPageStep(available_height);
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}
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// Size widget to the UI space we've calculated
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widget_->resize(available_width, available_height);
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// Size widget to the UI space we've calculated
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widget_->resize(available_width, available_height);
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// Adjust to aspect ratio
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double sequence_aspect_ratio = double(width_) / double(height_)
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* pixel_aspect_.toDouble();
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double our_aspect_ratio = double(available_width) / double(available_height);
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// Adjust to aspect ratio
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double sequence_aspect_ratio =
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double(width_) / double(height_) * pixel_aspect_.toDouble();
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double our_aspect_ratio =
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double(available_width) / double(available_height);
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QMatrix4x4 child_matrix;
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double current_scale;
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QMatrix4x4 child_matrix;
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double current_scale;
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if (our_aspect_ratio > sequence_aspect_ratio) {
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if (our_aspect_ratio > sequence_aspect_ratio) {
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// This container is wider than the image, scale by height
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child_matrix.scale(sequence_aspect_ratio / our_aspect_ratio, 1.0);
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current_scale = double(available_height) / double(height_);
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// This container is wider than the image, scale by height
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child_matrix.scale(sequence_aspect_ratio / our_aspect_ratio, 1.0);
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current_scale = double(available_height) / double(height_);
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} else {
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// This container is taller than the image, scale by width
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child_matrix.scale(1.0, our_aspect_ratio / sequence_aspect_ratio);
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current_scale = double(available_width) / double(width_);
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}
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} else {
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current_widget_scale_ = current_scale;
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// This container is taller than the image, scale by width
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child_matrix.scale(1.0, our_aspect_ratio / sequence_aspect_ratio);
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current_scale = double(available_width) / double(width_);
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if (zoom_ > 0) {
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// Scale to get to the requested zoom
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double zoom_diff = zoom_ / current_scale;
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child_matrix.scale(zoom_diff, zoom_diff, 1.0);
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}
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}
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emit RequestScale(child_matrix);
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current_widget_scale_ = current_scale;
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if (zoom_ > 0) {
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// Scale to get to the requested zoom
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double zoom_diff = zoom_ / current_scale;
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child_matrix.scale(zoom_diff, zoom_diff, 1.0);
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}
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emit RequestScale(child_matrix);
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ScrollBarMoved();
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ScrollBarMoved();
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}
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int ViewerSizer::GetZoomedValue(int value)
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{
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return qRound(value * zoom_);
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return qRound(value * zoom_);
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}
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double ViewerSizer::GetRealCurrentZoom() const
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{
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if (zoom_ < 0) {
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// Currently set to "fit"
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return current_widget_scale_;
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} else {
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// Explicit zoom set
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return zoom_;
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}
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if (zoom_ < 0) {
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// Currently set to "fit"
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return current_widget_scale_;
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} else {
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// Explicit zoom set
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return zoom_;
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}
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}
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void ViewerSizer::ScrollBarMoved()
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{
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QMatrix4x4 mat;
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QMatrix4x4 mat;
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float x_scroll, y_scroll;
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float x_scroll, y_scroll;
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if (horiz_scrollbar_->isVisible()) {
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int zoomed_width = GetZoomedValue(width_);
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x_scroll = (zoomed_width/2 - horiz_scrollbar_->value() - widget_->width() / 2) * (2.0 / zoomed_width);
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} else {
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x_scroll = 0;
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}
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if (horiz_scrollbar_->isVisible()) {
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int zoomed_width = GetZoomedValue(width_);
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x_scroll = (zoomed_width / 2 - horiz_scrollbar_->value() -
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widget_->width() / 2) *
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(2.0 / zoomed_width);
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} else {
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x_scroll = 0;
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}
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if (vert_scrollbar_->isVisible()) {
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int zoomed_height = GetZoomedValue(height_);
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y_scroll = (zoomed_height/2 - vert_scrollbar_->value() - widget_->height() / 2) * (2.0 / zoomed_height);
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} else {
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y_scroll = 0;
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}
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if (vert_scrollbar_->isVisible()) {
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int zoomed_height = GetZoomedValue(height_);
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y_scroll = (zoomed_height / 2 - vert_scrollbar_->value() -
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widget_->height() / 2) *
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(2.0 / zoomed_height);
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} else {
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y_scroll = 0;
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}
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// Zero translate is centered, so we need to determine how much "off center" we are
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mat.translate(x_scroll, y_scroll);
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// Zero translate is centered, so we need to determine how much "off center" we are
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mat.translate(x_scroll, y_scroll);
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emit RequestTranslate(mat);
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emit RequestTranslate(mat);
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}
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}
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