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/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2009-2010 Michael Möller <mmoeller@openhardwaremonitor.org>
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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namespace OpenHardwareMonitor.GUI {
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public class SplitContainerAdv : SplitContainer {
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private int delta = 0;
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private Border3DStyle border3DStyle = Border3DStyle.Raised;
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private Color color = SystemColors.Control;
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public SplitContainerAdv()
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: base() {
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SetStyle(ControlStyles.ResizeRedraw, true);
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SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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SetStyle(ControlStyles.UserPaint, true);
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SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
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SetStyle(ControlStyles.ContainerControl, true);
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UpdateStyles();
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}
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protected override void OnPaint(PaintEventArgs e) {
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base.OnPaint(e);
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Graphics g = e.Graphics;
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Rectangle r = SplitterRectangle;
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using (SolidBrush brush = new SolidBrush(color))
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g.FillRectangle(brush, r);
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ControlPaint.DrawBorder3D(g, r, border3DStyle);
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}
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protected override void OnKeyDown(KeyEventArgs e) {
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if (!base.IsSplitterFixed) {
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if (e.KeyData == Keys.Right || e.KeyData == Keys.Down) {
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SplitterDistance += SplitterIncrement;
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} else if (e.KeyData == Keys.Left || e.KeyData == Keys.Up) {
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SplitterDistance -= SplitterIncrement;
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}
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Invalidate();
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}
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}
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protected override void OnMouseDown(MouseEventArgs e) {
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if (Orientation == Orientation.Vertical) {
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delta = this.SplitterDistance - e.X;
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Cursor.Current = Cursors.VSplit;
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} else {
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delta = this.SplitterDistance - e.Y;
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Cursor.Current = Cursors.HSplit;
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}
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base.IsSplitterFixed = true;
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}
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protected override void OnMouseMove(MouseEventArgs e) {
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if (base.IsSplitterFixed) {
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if (e.Button == MouseButtons.Left) {
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if (Orientation == Orientation.Vertical) {
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if (e.X > 0 && e.X < Width) {
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SplitterDistance = e.X + delta < 0 ? 0 : e.X + delta;
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}
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} else {
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if (e.Y > 0 && e.Y < Height) {
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SplitterDistance = e.Y + delta < 0 ? 0 : e.Y + delta;
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}
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}
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} else {
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base.IsSplitterFixed = false;
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}
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Invalidate();
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} else {
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if (SplitterRectangle.Contains(e.Location)) {
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Cursor = Orientation == Orientation.Vertical ?
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Cursors.VSplit : Cursors.HSplit;
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}
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}
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}
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protected override void OnMouseLeave(EventArgs e) {
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base.OnMouseLeave(e);
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Cursor = Cursors.Default;
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}
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protected override void OnMouseUp(MouseEventArgs e) {
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delta = 0;
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base.IsSplitterFixed = false;
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Cursor.Current = Cursors.Default;
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}
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public Border3DStyle Border3DStyle {
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get { return border3DStyle; }
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set {
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border3DStyle = value;
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Invalidate(false);
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}
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}
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public Color Color {
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get { return color; }
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set {
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color = value;
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Invalidate(false);
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}
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}
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public new bool IsSplitterFixed {
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get {
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return false;
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}
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}
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}
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}
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