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/HListView.cpp
+++ b/sources/HListView.cpp
@@ -0,0 +1,92 @@
+#include "HListView.h"
+
+namespace ezui {
+	void HListView::Init()
+	{
+		this->GetScrollBar()->SetWidth(Width());//滚动条宽度
+		this->GetScrollBar()->Parent = this;
+		this->GetScrollBar()->OffsetCallback = [this](int offsetValue)->void {
+			if (this->GetScrollBar()->ScrollPos() >= 1) {
+				NextPage();
+			}
+			this->Offset(offsetValue);
+			};
+	}
+	HListView::HListView(Object* parentObject) :PagedListView(parentObject)
+	{
+		Init();
+	}
+	HListView::~HListView()
+	{
+	}
+	void HListView::OnLayout() {
+		this->Offset(0);
+		if (IsAutoWidth()) {
+			this->GetScrollBar()->SetVisible(false);
+		}
+		else if (this->GetScrollBar()->IsVisible() == true) {
+			this->GetScrollBar()->SetVisible(true);
+		}
+		this->GetScrollBar()->RefreshScroll();
+	}
+
+	ScrollBar* HListView::GetScrollBar()
+	{
+		return &m_hScrollBar;
+	}
+	void HListView::Offset(int offset) {
+		int _contentHeight = 0;
+		int _contentWidth = offset;
+		for (auto& it : GetControls()) {
+			if (it->IsVisible() == false) {
+				it->SetX(0);
+				continue;
+			}
+			//处理y坐标和margin
+			{
+				int height = it->GetFixedHeight();
+				if (height == 0) {
+					height = this->Height() - it->Margin.GetVSpace();
+				}
+				int y = it->Y();
+				if (y == 0) {
+					y = it->Margin.Top;
+				}
+				if (y == 0 && height < this->Height()) {
+					y = int((this->Height() * 1.0 - height) / 2 + 0.5);
+				}
+				_contentWidth += it->Margin.Left;
+				it->SetRect(Rect(_contentWidth, y, it->Width(), height));
+				_contentWidth += it->Width();
+				_contentWidth += it->Margin.Right;
+			}
+			//计算最大高度
+			int _height = it->Y() + it->Height() + it->Margin.Bottom;
+			if (_height > _contentHeight) {
+				_contentHeight = _height;
+			}
+		}
+		this->SetContentSize({ _contentWidth - offset,_contentHeight });
+	}
+
+	void HListView::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->X() >= Width()) {
+				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->GetLayoutState() == LayoutState::Pend) {
+				//	it->RefreshLayout();
+				//}
+			}
+			else {
+				it->SendEvent(args);
+			}
+		}
+	}
+};