初版-带一个进度条

2026-01-24 22:42:46 +08:00
commit c367128889
100 changed files with 19726 additions and 0 deletions
--- a/sources/TileListView.cpp
+++ b/sources/TileListView.cpp
@@ -0,0 +1,100 @@
+#include "TileListView.h"
+
+namespace ezui {
+
+	void TileListView::Init()
+	{
+		this->GetScrollBar()->SetHeight(Height());
+		this->GetScrollBar()->Parent = this;
+		this->GetScrollBar()->OffsetCallback = [this](int offsetValue)->void {
+			if (this->GetScrollBar()->ScrollPos() >= 1) {
+				NextPage();
+			}
+			this->Offset(offsetValue);
+			};
+	}
+
+	TileListView::TileListView(Object* parentObject) :PagedListView(parentObject)
+	{
+		Init();
+	}
+	TileListView::~TileListView()
+	{
+	}
+	ScrollBar* TileListView::GetScrollBar()
+	{
+		return &m_vScrollBar;
+	}
+	void TileListView::OnChildPaint(PaintEventArgs& args)
+	{
+		ViewControls.clear();
+		//绘制子控件
+		auto rect = Rect(0, 0, Width(), Height());
+		for (auto& it : GetControls()) {
+			if (rect.IntersectsWith(it->GetRect())) {
+				ViewControls.push_back(it);
+			}
+			if (it->Y() >= Height()) {
+				break;
+				////当控件超出容器底部将不再派发绘制事件 但是仍然要进行布局
+				//if ((it->IsAutoWidth() || it->IsAutoHeight()) && it->GetLayoutState() == LayoutState::Pend) {
+				//	it->RefreshLayout();
+				//}
+			}
+			else {
+				it->SendEvent(args);
+			}
+		}
+	}
+	void TileListView::OnLayout()
+	{
+		this->Offset(0);
+		if (m_autoHeight) {
+			this->SetFixedHeight(this->GetContentSize().Height);
+			this->GetScrollBar()->SetVisible(false);
+		}
+		else if (this->GetScrollBar()->IsVisible() == true) {
+			this->GetScrollBar()->SetVisible(true);
+		}
+		this->GetScrollBar()->RefreshScroll();
+	}
+	void TileListView::Offset(int offset) {
+		int _contentWidth = 0;
+		int _contentHeight = 0;
+		int maxWidth = this->Width();
+		int maxHeight = 0;//每行最高的那个
+		int x = 0;
+		int y = offset;
+		for (auto& _it : GetControls()) {
+			if (_it->IsVisible() == false) {
+				_it->SetLocation(Point{ 0,0 });
+				continue;
+			}
+			Control& it = *_it;
+			int itemWidth = it.Width() + it.Margin.GetHSpace();
+			if (x + itemWidth > maxWidth) {
+				//换行
+				x = 0;
+				y += maxHeight;
+				maxHeight = 0;
+			}
+
+			x += it.Margin.Left;//左边距
+			int newX = x;//设置X坐标
+			int newY = y + it.Margin.Top;//设置Y坐标+上边距
+			it.SetRect(Rect(newX, newY, it.Width(), it.Height()));
+			int itemHeight = it.Height() + it.Margin.GetVSpace();//当前控件垂直占用的空间
+			if (maxHeight < itemHeight) {
+				maxHeight = itemHeight;
+			}
+			x += (it.Width() + it.Margin.Right);//右边距
+			_contentHeight = y + maxHeight;
+			//计算最大宽度
+			int _width = it.X() + it.Width();
+			if (_width > _contentWidth) {
+				_contentWidth = _width;
+			}
+		}
+		this->SetContentSize({ _contentWidth,_contentHeight - offset });
+	}
+};