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* UINavMenu：增加右侧图标

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Sunny 2021-06-14 09:48:21 +08:00
parent a2e58535b5
commit d4b9fe39e4
7 changed files with 85 additions and 6 deletions
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SunnyUI/Controls/UINavMenu.cs
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@ -23,6 +23,7 @@
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
@ -45,7 +46,7 @@ namespace Sunny.UI
ControlStyles.AllPaintingInWmPaint |
ControlStyles.OptimizedDoubleBuffer, true);
base.UpdateStyles();
UpdateStyles();
BorderStyle = BorderStyle.None;
//HideSelection = false;
@ -166,13 +167,13 @@ namespace Sunny.UI
private void UpdateExtendedStyles()
{
int Style = 0;
int style = 0;
if (DoubleBuffered)
Style |= TVS_EX_DOUBLEBUFFER;
style |= TVS_EX_DOUBLEBUFFER;
if (Style != 0)
Win32.User.SendMessage(Handle, TVM_SETEXTENDEDSTYLE, new IntPtr(TVS_EX_DOUBLEBUFFER), new IntPtr(Style));
Win32.User.SendMessage(Handle, TVM_SETEXTENDEDSTYLE, new IntPtr(TVS_EX_DOUBLEBUFFER), new IntPtr(style));
}
protected override void OnHandleCreated(EventArgs e)
@ -521,11 +522,37 @@ namespace Sunny.UI
e.Graphics.DrawString(e.Node.Text, Font, SelectedForeColor, drawLeft, e.Bounds.Y + (ItemHeight - sf.Height) / 2.0f);
e.Graphics.FillRectangle(SelectedHighColor, new Rectangle(0, e.Bounds.Y, 4, e.Bounds.Height));
if (TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
{
int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
if (e.Node.Nodes.Count > 0) symbolRight -= 32;
int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
for (int i = 0; i < TreeNodeSymbols[e.Node].Count; i++)
{
e.Graphics.DrawFontImage(TreeNodeSymbols[e.Node][i], 24, ForeColor,
new Rectangle(firstLeft + i * 32, e.Bounds.Top, 32, e.Bounds.Height));
}
}
}
else if (e.Node == CurrentNode && (e.State & TreeNodeStates.Hot) != 0)
{
e.Graphics.FillRectangle(HoverColor, new Rectangle(new Point(0, e.Node.Bounds.Y), new Size(Width, e.Node.Bounds.Height)));
e.Graphics.DrawString(e.Node.Text, Font, ForeColor, drawLeft, e.Bounds.Y + (ItemHeight - sf.Height) / 2.0f);
if (TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
{
int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
if (e.Node.Nodes.Count > 0) symbolRight -= 32;
int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
for (int i = 0; i < TreeNodeSymbols[e.Node].Count; i++)
{
e.Graphics.DrawFontImage(TreeNodeSymbols[e.Node][i], 24, ForeColor,
new Rectangle(firstLeft + i * 32, e.Bounds.Top, 32, e.Bounds.Height));
}
}
}
else
{
@ -561,7 +588,7 @@ namespace Sunny.UI
e.Graphics.DrawFontImage(e.Node.IsExpanded ? 61702 : 61703, 24, ForeColor, Width - (Bar.Visible ? 50 : 30), e.Bounds.Y + (ItemHeight - 24) / 2);
}
if (ShowTips && MenuHelper.GetTipsText(e.Node).IsValid())
if (ShowTips && MenuHelper.GetTipsText(e.Node).IsValid() && TreeNodeSymbols.NotContainsKey(e.Node))
{
SizeF tipsSize = e.Graphics.MeasureString(MenuHelper.GetTipsText(e.Node), TipsFont);
float sfMax = Math.Max(tipsSize.Width, tipsSize.Height) + 1;
@ -596,7 +623,7 @@ namespace Sunny.UI
{
base.OnNodeMouseClick(e);
if (e.Node != null && e.Node.Nodes.Count > 0)
if (e.Node.Nodes.Count > 0)
{
if (e.Node.IsExpanded)
{
@ -621,6 +648,21 @@ namespace Sunny.UI
SelectedNode = e.Node;
}
if (e.Node != null && TreeNodeSymbols.ContainsKey(e.Node) && TreeNodeSymbols[e.Node].Count > 0)
{
int symbolRight = Width - (ScrollBarVisible ? ScrollBarInfo.VerticalScrollBarWidth() : 0) - 3;
if (e.Node.Nodes.Count > 0) symbolRight -= 32;
int firstLeft = symbolRight - TreeNodeSymbols[e.Node].Count * 32;
if (e.X >= firstLeft && e.X < symbolRight)
{
int idx = (e.X - firstLeft) / 32;
if (idx >= 0 && idx < TreeNodeSymbols[e.Node].Count)
{
NodeRightSymbolClick?.Invoke(this, e.Node, idx, TreeNodeSymbols[e.Node][idx]);
}
}
}
ShowSelectedNode();
}
@ -907,5 +949,42 @@ namespace Sunny.UI
MenuHelper.SetSymbol(childNode, symbol, symbolSize);
return childNode;
}
private readonly Dictionary<TreeNode, List<int>> TreeNodeSymbols = new Dictionary<TreeNode, List<int>>();
public void AddNodeRightSymbol(TreeNode node, int symbol)
{
if (!TreeNodeSymbols.ContainsKey(node))
TreeNodeSymbols.Add(node, new List<int>());
TreeNodeSymbols[node].Add(symbol);
Invalidate();
}
public void RemoveNodeRightSymbol(TreeNode node, int symbol)
{
if (TreeNodeSymbols.ContainsKey(node))
{
int idx = TreeNodeSymbols[node].IndexOf(symbol);
if (idx >= 0)
{
TreeNodeSymbols[node].RemoveAt(idx);
Invalidate();
}
}
}
public void ClearNodeRightSymbol(TreeNode node)
{
if (TreeNodeSymbols.ContainsKey(node))
{
TreeNodeSymbols[node].Clear();
Invalidate();
}
}
public delegate void OnNodeRightSymbolClick(object sender, TreeNode node, int index, int symbol);
public event OnNodeRightSymbolClick NodeRightSymbolClick;
}
}