moel@158: /*
moel@158:   
moel@158:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@158: 
moel@158:   The contents of this file are subject to the Mozilla Public License Version
moel@158:   1.1 (the "License"); you may not use this file except in compliance with
moel@158:   the License. You may obtain a copy of the License at
moel@158:  
moel@158:   http://www.mozilla.org/MPL/
moel@158: 
moel@158:   Software distributed under the License is distributed on an "AS IS" basis,
moel@158:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@158:   for the specific language governing rights and limitations under the License.
moel@158: 
moel@158:   The Original Code is the Open Hardware Monitor code.
moel@158: 
moel@158:   The Initial Developer of the Original Code is 
moel@158:   Michael Möller <m.moeller@gmx.ch>.
moel@158:   Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@158:   the Initial Developer. All Rights Reserved.
moel@158: 
moel@158:   Contributor(s):
moel@158: 
moel@158:   Alternatively, the contents of this file may be used under the terms of
moel@158:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@158:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@158:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@158:   of those above. If you wish to allow use of your version of this file only
moel@158:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@158:   use your version of this file under the terms of the MPL, indicate your
moel@158:   decision by deleting the provisions above and replace them with the notice
moel@158:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@158:   the provisions above, a recipient may use your version of this file under
moel@158:   the terms of any one of the MPL, the GPL or the LGPL.
moel@158:  
moel@158: */
moel@158: 
moel@158: using System;
moel@158: using System.Collections.Generic;
moel@158: using System.Drawing;
moel@158: using System.Windows.Forms;
moel@158: 
moel@158: namespace OpenHardwareMonitor.GUI {
moel@158:   public class SplitContainerAdv : SplitContainer {
moel@158: 
moel@158:     private int delta = 0;
moel@158:     private Border3DStyle border3DStyle = Border3DStyle.Raised;
moel@158:     private Color color = SystemColors.Control;
moel@158: 
moel@158:     public SplitContainerAdv()
moel@158:       : base() {
moel@158:       SetStyle(ControlStyles.ResizeRedraw, true);
moel@158:       SetStyle(ControlStyles.AllPaintingInWmPaint, true);
moel@158:       SetStyle(ControlStyles.UserPaint, true);
moel@158:       SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
moel@158:       SetStyle(ControlStyles.ContainerControl, true);
moel@158:       UpdateStyles();
moel@158:     }
moel@158: 
moel@158:     protected override void OnPaint(PaintEventArgs e) {
moel@158:       base.OnPaint(e);
moel@158: 
moel@158:       Graphics g = e.Graphics;
moel@158:       Rectangle r = SplitterRectangle;
moel@158:       using (SolidBrush brush = new SolidBrush(color))
moel@158:         g.FillRectangle(brush, r);
moel@158:       ControlPaint.DrawBorder3D(g, r, border3DStyle);
moel@158:     }
moel@158: 
moel@158:     protected override void OnKeyDown(KeyEventArgs e) {
moel@158:       if (!base.IsSplitterFixed) {
moel@158:         if (e.KeyData == Keys.Right || e.KeyData == Keys.Down) {
moel@158:           SplitterDistance += SplitterIncrement;
moel@158:         } else if (e.KeyData == Keys.Left || e.KeyData == Keys.Up) {
moel@158:           SplitterDistance -= SplitterIncrement;
moel@158:         }
moel@158:         Invalidate();
moel@158:       }
moel@158:     }
moel@158: 
moel@158:     protected override void OnMouseDown(MouseEventArgs e) {
moel@158:       if (Orientation == Orientation.Vertical) {
moel@158:         delta = this.SplitterDistance - e.X;
moel@158:         Cursor.Current = Cursors.VSplit;
moel@158:       } else {
moel@158:         delta = this.SplitterDistance - e.Y;
moel@158:         Cursor.Current = Cursors.HSplit;
moel@158:       }
moel@158:       base.IsSplitterFixed = true;
moel@158:     }
moel@158: 
moel@158:     protected override void OnMouseMove(MouseEventArgs e) {
moel@158:       if (base.IsSplitterFixed) {
moel@158:         if (e.Button == MouseButtons.Left) {
moel@158:           if (Orientation == Orientation.Vertical) {
moel@158:             if (e.X > 0 && e.X < Width) {
moel@158:               SplitterDistance = e.X + delta < 0 ? 0 : e.X + delta;
moel@158:             }
moel@158:           } else {
moel@158:             if (e.Y > 0 && e.Y < Height) {
moel@158:               SplitterDistance = e.Y + delta < 0 ? 0 : e.Y + delta;
moel@158:             }
moel@158:           }
moel@158:         } else {
moel@158:           base.IsSplitterFixed = false;
moel@158:         }
moel@158:         Invalidate();
moel@158:       } else {
moel@158:         if (SplitterRectangle.Contains(e.Location)) {
moel@158:           Cursor = Orientation == Orientation.Vertical ?
moel@158:             Cursors.VSplit : Cursors.HSplit;
moel@158:         }
moel@158:       }
moel@158:     }
moel@158: 
moel@158:     protected override void OnMouseLeave(EventArgs e) {
moel@158:       base.OnMouseLeave(e);
moel@158:       Cursor = Cursors.Default;
moel@158:     }
moel@158: 
moel@158:     protected override void OnMouseUp(MouseEventArgs e) {
moel@158:       delta = 0;
moel@158:       base.IsSplitterFixed = false;
moel@158:       Cursor.Current = Cursors.Default;
moel@158:     }
moel@158: 
moel@158:     public Border3DStyle Border3DStyle {
moel@158:       get { return border3DStyle; }
moel@158:       set {
moel@158:         border3DStyle = value;
moel@158:         Invalidate(false);
moel@158:       }
moel@158:     }
moel@158: 
moel@158:     public Color Color {
moel@158:       get { return color; }
moel@158:       set {
moel@158:         color = value;
moel@158:         Invalidate(false);
moel@158:       }
moel@158:     }
moel@158: 
moel@158:     public new bool IsSplitterFixed {
moel@158:       get {
moel@158:         return false;
moel@158:       }
moel@158:     }
moel@158: 
moel@158:   }
moel@158: }