#include <assert.h>
-#include "view.h"
+#include "view.hpp"
-#include "rowitem.h"
+#include "rowitem.hpp"
namespace pv {
namespace view {
RowItem::RowItem() :
- _owner(NULL),
- _v_offset(0)
+ owner_(NULL),
+ layout_v_offset_(0),
+ visual_v_offset_(0),
+ v_offset_animation_(this, "visual_v_offset")
{
}
-int RowItem::v_offset() const
+int RowItem::layout_v_offset() const
{
- return _v_offset;
+ return layout_v_offset_;
}
-void RowItem::set_v_offset(int v_offset)
+void RowItem::set_layout_v_offset(int v_offset)
{
- _v_offset = v_offset;
+ if (layout_v_offset_ == v_offset)
+ return;
+
+ layout_v_offset_ = v_offset;
+
+ if (owner_)
+ owner_->extents_changed(false, true);
}
-RowItemOwner* RowItem::owner() const
+int RowItem::visual_v_offset() const
{
- return _owner;
+ return visual_v_offset_;
}
-void RowItem::set_owner(RowItemOwner *owner)
+void RowItem::set_visual_v_offset(int v_offset)
{
- assert((_owner && !owner) || (!_owner && owner));
- _owner = owner;
+ visual_v_offset_ = v_offset;
+
+ if (owner_)
+ owner_->row_item_appearance_changed(true, true);
}
-int RowItem::get_y() const
+void RowItem::force_to_v_offset(int v_offset)
{
- assert(_owner);
- return _v_offset + _owner->owner_v_offset();
+ v_offset_animation_.stop();
+ layout_v_offset_ = visual_v_offset_ = v_offset;
+
+ if (owner_) {
+ owner_->row_item_appearance_changed(true, true);
+ owner_->extents_changed(false, true);
+ }
+}
+
+void RowItem::animate_to_layout_v_offset()
+{
+ if (visual_v_offset_ == layout_v_offset_ ||
+ (v_offset_animation_.endValue() == layout_v_offset_ &&
+ v_offset_animation_.state() == QAbstractAnimation::Running))
+ return;
+
+ v_offset_animation_.setDuration(100);
+ v_offset_animation_.setStartValue(visual_v_offset_);
+ v_offset_animation_.setEndValue(layout_v_offset_);
+ v_offset_animation_.setEasingCurve(QEasingCurve::OutQuad);
+ v_offset_animation_.start();
+}
+
+RowItemOwner* RowItem::owner() const
+{
+ return owner_;
+}
+
+void RowItem::set_owner(RowItemOwner *owner)
+{
+ assert(owner_ || owner);
+ v_offset_animation_.stop();
+
+ if (owner_) {
+ const int owner_offset = owner_->owner_visual_v_offset();
+ layout_v_offset_ += owner_offset;
+ visual_v_offset_ += owner_offset;
+ }
+
+ owner_ = owner;
+
+ if (owner_) {
+ const int owner_offset = owner_->owner_visual_v_offset();
+ layout_v_offset_ -= owner_offset;
+ visual_v_offset_ -= owner_offset;
+ }
}
-void RowItem::paint_back(QPainter &p, int left, int right)
+int RowItem::get_visual_y() const
{
- (void)p;
- (void)left;
- (void)right;
+ assert(owner_);
+ return visual_v_offset_ + owner_->owner_visual_v_offset();
}
-void RowItem::paint_mid(QPainter &p, int left, int right)
+void RowItem::drag_by(const QPoint &delta)
{
- (void)p;
- (void)left;
- (void)right;
+ force_to_v_offset(drag_point_.y() + delta.y() -
+ owner_->owner_visual_v_offset());
}
-void RowItem::paint_fore(QPainter &p, int left, int right)
+QPoint RowItem::point(const QRect &rect) const
{
- (void)p;
- (void)left;
- (void)right;
+ return QPoint(rect.right(), get_visual_y());
}
void RowItem::hover_point_changed()