本文整理汇总了C++中gdk::Rectangle::set_y方法的典型用法代码示例。如果您正苦于以下问题：C++ Rectangle::set_y方法的具体用法？C++ Rectangle::set_y怎么用？C++ Rectangle::set_y使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gdk::Rectangle的用法示例。
在下文中一共展示了Rectangle::set_y方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: descendant_iterator
int
TimelineLayoutHelper::layout_headers_recursive (TrackTree::iterator_base parent_iterator
,const int branch_offset
,const int header_width
,const int indent_width
,const int depth
,const bool parent_expanded)
{
REQUIRE(depth >= 0);
const bool dragging = is_dragging_track();
int child_offset = 0;
TrackTree::sibling_iterator iterator;
for (iterator = layoutTree.begin(parent_iterator);
iterator != layoutTree.end(parent_iterator);
iterator++)
{
Gdk::Rectangle rect;
int track_height = 0;
const shared_ptr<model::Track> &modelTrack = *iterator;
REQUIRE(modelTrack);
shared_ptr<timeline::Track> timeline_track = lookup_timeline_track(modelTrack);
// Is this the root track of a dragging branch?
bool being_dragged = false;
if (dragging)
being_dragged = (modelTrack == *draggingTrackIter);
// Is the track going to be shown?
if (parent_expanded)
{
// Calculate and store the box of the header
track_height = timeline_track->get_height()
+ TimelineWidget::TrackPadding;
const int indent = depth * indent_width;
rect = Gdk::Rectangle(indent // x
,branch_offset + child_offset // y
,max( header_width - indent, 0 ) // width
,track_height); // height
// Offset for the next header
child_offset += track_height;
// Is this header being dragged?
if (being_dragged)
rect.set_y(dragPoint.get_y() - dragStartOffset.get_y());
headerBoxes[timeline_track] = rect;
}
// Is the track animating?
const bool is_track_animating = timeline_track->is_expand_animating();
animating |= is_track_animating;
// Recurse to children?
const bool expand_child = (animating || timeline_track->get_expanded())
&& parent_expanded;
int child_branch_height =
layout_headers_recursive (iterator
,rect.get_y() + track_height
,header_width
,indent_width
,depth + 1
,expand_child);
// Do collapse animation as necessary
if (is_track_animating)
{
// Calculate the height of the area which will be
// shown as expanded
const float a = timeline_track->get_expand_animation_state();
child_branch_height *= a * a;
const int y_limit = branch_offset + child_offset + child_branch_height;
// Obscureed tracks according to the animation state
TrackTree::pre_order_iterator descendant_iterator(iterator);
descendant_iterator++;
TrackTree::sibling_iterator end(iterator);
end++;
for (descendant_iterator = layoutTree.begin(parent_iterator);
descendant_iterator != end;
descendant_iterator++)
{
const weak_ptr<timeline::Track> track = lookup_timeline_track(*descendant_iterator);
const Gdk::Rectangle &rect = headerBoxes[track];
if (rect.get_y() + rect.get_height() > y_limit)
headerBoxes.erase(track);
}
// Tick the track expand animation
timeline_track->tick_expand_animation();
}
//.........这里部分代码省略.........