236 lines
12 KiB
C#
236 lines
12 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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namespace Ramitta.Utils
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{
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public class WindowTopArea : System.Windows.Controls.Border
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{
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static WindowTopArea()
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{
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DefaultStyleKeyProperty.OverrideMetadata(typeof(WindowTopArea), new FrameworkPropertyMetadata(typeof(WindowTopArea)));
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}
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private new bool CaptureMouse = false;
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private enum ResizePosition
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{ None, Left, TopLeft, Top, TopRight, Right, BottomRight, Bottom, BottomLeft }
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protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
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{
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Window win = Window.GetWindow(this);
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if (e.ClickCount == 1 && e.LeftButton == MouseButtonState.Pressed)
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{
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win.DragMove();
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}
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else if (e.ClickCount == 2)
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{
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win.SizeToContent = SizeToContent.Manual;
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win.WindowState = win.WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
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}
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base.OnMouseLeftButtonDown(e);
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e.Handled = true;
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}
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protected override void OnInitialized(EventArgs e)
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{
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SetWindowResizer();
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base.OnInitialized(e);
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}
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#region 窗体大小变化
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public void SetWindowResizer()
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{
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Window win = Window.GetWindow(this);
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ResizePosition ResPosition = ResizePosition.None;
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int Resizer = 10;
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int ResizerSpeed = 10;
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win.MouseMove += new MouseEventHandler(
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delegate (object target, MouseEventArgs args)
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{
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try
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{
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//do resize
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if (win.WindowState == WindowState.Normal)
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{
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Point MS = args.GetPosition(win);
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if (args.LeftButton == MouseButtonState.Pressed)
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{
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Win32.POINT pos = new Win32.POINT();
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Win32.GetCursorPos(out pos);
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#region 改变窗体大小
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switch (ResPosition)
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{
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case ResizePosition.Left:
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//左边
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Mouse.SetCursor(Cursors.SizeWE);
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Point transPointLeft = win.PointToScreen(new Point(0, 0));
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win.Left += pos.X - transPointLeft.X;
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win.Width += transPointLeft.X - pos.X;
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break;
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case ResizePosition.Right:
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//右边
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Mouse.SetCursor(Cursors.SizeWE);
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Point transPointRight = win.PointToScreen(new Point(win.Width, 0));
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win.Width += pos.X - transPointRight.X;
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break;
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case ResizePosition.Top:
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//顶部
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Mouse.SetCursor(Cursors.SizeNS);
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Point transPointTop = win.PointToScreen(new Point(0, 0));
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win.Top += pos.Y - transPointTop.Y;
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win.Height += transPointTop.Y - pos.Y;
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break;
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case ResizePosition.Bottom:
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//底部
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Mouse.SetCursor(Cursors.SizeNS);
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Point transPointBottom = win.PointToScreen(new Point(0, win.Height));
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win.Height += pos.Y - transPointBottom.Y;
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break;
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case ResizePosition.TopLeft:
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//左上
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Mouse.SetCursor(Cursors.SizeNWSE);
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Point transPointTopLeft = win.PointToScreen(new Point(0, 0));
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win.Left += pos.X - transPointTopLeft.X;
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win.Top += pos.Y - transPointTopLeft.Y;
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win.Width += transPointTopLeft.X - pos.X;
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win.Height += transPointTopLeft.Y - pos.Y;
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break;
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case ResizePosition.BottomLeft:
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//左下
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Mouse.SetCursor(Cursors.SizeNESW);
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Point transPointBottomLeft = win.PointToScreen(new Point(0, win.Height));
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win.Left += pos.X - transPointBottomLeft.X;
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win.Width += transPointBottomLeft.X - pos.X;
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win.Height += pos.Y - transPointBottomLeft.Y;
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break;
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case ResizePosition.TopRight:
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//右上
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Mouse.SetCursor(Cursors.SizeNESW);
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Point transPointTopRight = win.PointToScreen(new Point(win.Width, 0));
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win.Top += pos.Y - transPointTopRight.Y;
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win.Width = transPointTopRight.Y - pos.X;
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win.Height = transPointTopRight.Y - pos.Y;
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break;
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case ResizePosition.BottomRight:
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//右下
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Mouse.SetCursor(Cursors.SizeNWSE);
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Point transPointBottomRight = win.PointToScreen(new Point(win.Width, win.Height));
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win.Width += pos.X - transPointBottomRight.X;
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win.Height += pos.Y - transPointBottomRight.Y;
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break;
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case ResizePosition.None:
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default:
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Mouse.SetCursor(Cursors.Arrow);
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break;
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}
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#endregion
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}
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/*
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else if (MS.X <= Resizer + ResizerSpeed && MS.Y <= Resizer + ResizerSpeed)
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{
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//左上 (不执行)
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Mouse.SetCursor(Cursors.SizeNWSE);
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ResPosition = ResizePosition.TopLeft;
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}
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*/
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else if (MS.X <= Resizer && MS.Y >= win.ActualHeight - Resizer)
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{
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//左下
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Mouse.SetCursor(Cursors.SizeNESW);
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ResPosition = ResizePosition.BottomLeft;
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}
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/*
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else if (MS.X >= win.ActualWidth - Resizer - ResizerSpeed && MS.Y <= Resizer + ResizerSpeed)
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{
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//右上(不执行)
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Mouse.SetCursor(Cursors.SizeNESW);
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ResPosition = ResizePosition.TopRight;
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}
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*/
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else if (MS.X >= win.ActualWidth - Resizer && MS.Y >= win.ActualHeight - Resizer)
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{
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//右下
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Mouse.SetCursor(Cursors.SizeNWSE);
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ResPosition = ResizePosition.BottomRight;
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}
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else if (MS.X <= Resizer)
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{
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//左边
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Mouse.SetCursor(Cursors.SizeWE);
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ResPosition = ResizePosition.Left;
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}
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/*
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else if (MS.Y <= Resizer + ResizerSpeed)
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{
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//顶部(不执行)
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Mouse.SetCursor(Cursors.SizeNS);
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ResPosition = ResizePosition.Top;
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}
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*/
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else if (MS.X >= win.ActualWidth - Resizer)
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{
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//右边
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Mouse.SetCursor(Cursors.SizeWE);
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ResPosition = ResizePosition.Right;
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}
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else if (MS.Y >= win.ActualHeight - Resizer)
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{
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//底部
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Mouse.SetCursor(Cursors.SizeNS);
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ResPosition = ResizePosition.Bottom;
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}
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else
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{
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//无
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Mouse.SetCursor(Cursors.Arrow);
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ResPosition = ResizePosition.None;
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}
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}
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}
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catch
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{
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ResPosition = ResizePosition.None;
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win.ReleaseMouseCapture();
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}
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args.Handled = CaptureMouse;
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}
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);
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win.MouseLeftButtonDown += new MouseButtonEventHandler(
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delegate (object target, MouseButtonEventArgs args)
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{
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if (win.WindowState == WindowState.Normal)
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{
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//获取当前鼠标点击点相对于Dvap.Shell窗体的位置
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Point pos = args.GetPosition(win);
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if (ResPosition != ResizePosition.None)
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{
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CaptureMouse = win.CaptureMouse();
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}
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args.Handled = CaptureMouse;
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}
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}
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);
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win.MouseLeftButtonUp += new MouseButtonEventHandler(
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delegate (object target, MouseButtonEventArgs args)
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{
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if (win.WindowState == WindowState.Normal)
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{
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ResPosition = ResizePosition.None;
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if (CaptureMouse)
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{
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win.ReleaseMouseCapture();
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CaptureMouse = false;
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}
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args.Handled = CaptureMouse;
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}
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}
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);
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}
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#endregion
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}
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}
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