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613 lines
23 KiB
C#

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Runtime.InteropServices;
namespace Mesnac.Docking
{
partial class DockPanel
{
private class AutoHideWindowControl : Panel, ISplitterDragSource
{
private class SplitterControl : SplitterBase
{
public SplitterControl(AutoHideWindowControl autoHideWindow)
{
m_autoHideWindow = autoHideWindow;
}
private AutoHideWindowControl m_autoHideWindow;
private AutoHideWindowControl AutoHideWindow
{
get { return m_autoHideWindow; }
}
protected override int SplitterSize
{
get { return Measures.SplitterSize; }
}
protected override void StartDrag()
{
AutoHideWindow.DockPanel.BeginDrag(AutoHideWindow, AutoHideWindow.RectangleToScreen(Bounds));
}
}
#region consts
private const int ANIMATE_TIME = 100; // in mini-seconds
#endregion
private Timer m_timerMouseTrack;
private SplitterControl m_splitter;
public AutoHideWindowControl(DockPanel dockPanel)
{
m_dockPanel = dockPanel;
m_timerMouseTrack = new Timer();
m_timerMouseTrack.Tick += new EventHandler(TimerMouseTrack_Tick);
Visible = false;
m_splitter = new SplitterControl(this);
Controls.Add(m_splitter);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
m_timerMouseTrack.Dispose();
}
base.Dispose(disposing);
}
private DockPanel m_dockPanel = null;
public DockPanel DockPanel
{
get { return m_dockPanel; }
}
private DockPane m_activePane = null;
public DockPane ActivePane
{
get { return m_activePane; }
}
private void SetActivePane()
{
DockPane value = (ActiveContent == null ? null : ActiveContent.DockHandler.Pane);
if (value == m_activePane)
return;
m_activePane = value;
}
private IDockContent m_activeContent = null;
public IDockContent ActiveContent
{
get { return m_activeContent; }
set
{
if (value == m_activeContent)
return;
if (value != null)
{
if (!DockHelper.IsDockStateAutoHide(value.DockHandler.DockState) || value.DockHandler.DockPanel != DockPanel)
throw (new InvalidOperationException(Strings.DockPanel_ActiveAutoHideContent_InvalidValue));
}
DockPanel.SuspendLayout();
if (m_activeContent != null)
{
if (m_activeContent.DockHandler.Form.ContainsFocus)
DockPanel.ContentFocusManager.GiveUpFocus(m_activeContent);
AnimateWindow(false);
}
m_activeContent = value;
SetActivePane();
if (ActivePane != null)
ActivePane.ActiveContent = m_activeContent;
if (m_activeContent != null)
AnimateWindow(true);
DockPanel.ResumeLayout();
DockPanel.RefreshAutoHideStrip();
SetTimerMouseTrack();
}
}
public DockState DockState
{
get { return ActiveContent == null ? DockState.Unknown : ActiveContent.DockHandler.DockState; }
}
private bool m_flagAnimate = true;
private bool FlagAnimate
{
get { return m_flagAnimate; }
set { m_flagAnimate = value; }
}
private bool m_flagDragging = false;
internal bool FlagDragging
{
get { return m_flagDragging; }
set
{
if (m_flagDragging == value)
return;
m_flagDragging = value;
SetTimerMouseTrack();
}
}
private void AnimateWindow(bool show)
{
if (!FlagAnimate && Visible != show)
{
Visible = show;
return;
}
Parent.SuspendLayout();
Rectangle rectSource = GetRectangle(!show);
Rectangle rectTarget = GetRectangle(show);
int dxLoc, dyLoc;
int dWidth, dHeight;
dxLoc = dyLoc = dWidth = dHeight = 0;
if (DockState == DockState.DockTopAutoHide)
dHeight = show ? 1 : -1;
else if (DockState == DockState.DockLeftAutoHide)
dWidth = show ? 1 : -1;
else if (DockState == DockState.DockRightAutoHide)
{
dxLoc = show ? -1 : 1;
dWidth = show ? 1 : -1;
}
else if (DockState == DockState.DockBottomAutoHide)
{
dyLoc = (show ? -1 : 1);
dHeight = (show ? 1 : -1);
}
if (show)
{
Bounds = DockPanel.GetAutoHideWindowBounds(new Rectangle(-rectTarget.Width, -rectTarget.Height, rectTarget.Width, rectTarget.Height));
if (Visible == false)
Visible = true;
PerformLayout();
}
SuspendLayout();
LayoutAnimateWindow(rectSource);
if (Visible == false)
Visible = true;
int speedFactor = 1;
int totalPixels = (rectSource.Width != rectTarget.Width) ?
Math.Abs(rectSource.Width - rectTarget.Width) :
Math.Abs(rectSource.Height - rectTarget.Height);
int remainPixels = totalPixels;
DateTime startingTime = DateTime.Now;
while (rectSource != rectTarget)
{
DateTime startPerMove = DateTime.Now;
rectSource.X += dxLoc * speedFactor;
rectSource.Y += dyLoc * speedFactor;
rectSource.Width += dWidth * speedFactor;
rectSource.Height += dHeight * speedFactor;
if (Math.Sign(rectTarget.X - rectSource.X) != Math.Sign(dxLoc))
rectSource.X = rectTarget.X;
if (Math.Sign(rectTarget.Y - rectSource.Y) != Math.Sign(dyLoc))
rectSource.Y = rectTarget.Y;
if (Math.Sign(rectTarget.Width - rectSource.Width) != Math.Sign(dWidth))
rectSource.Width = rectTarget.Width;
if (Math.Sign(rectTarget.Height - rectSource.Height) != Math.Sign(dHeight))
rectSource.Height = rectTarget.Height;
LayoutAnimateWindow(rectSource);
if (Parent != null)
Parent.Update();
remainPixels -= speedFactor;
while (true)
{
TimeSpan time = new TimeSpan(0, 0, 0, 0, ANIMATE_TIME);
TimeSpan elapsedPerMove = DateTime.Now - startPerMove;
TimeSpan elapsedTime = DateTime.Now - startingTime;
if (((int)((time - elapsedTime).TotalMilliseconds)) <= 0)
{
speedFactor = remainPixels;
break;
}
else
speedFactor = remainPixels * (int)elapsedPerMove.TotalMilliseconds / (int)((time - elapsedTime).TotalMilliseconds);
if (speedFactor >= 1)
break;
}
}
ResumeLayout();
Parent.ResumeLayout();
}
private void LayoutAnimateWindow(Rectangle rect)
{
Bounds = DockPanel.GetAutoHideWindowBounds(rect);
Rectangle rectClient = ClientRectangle;
if (DockState == DockState.DockLeftAutoHide)
ActivePane.Location = new Point(rectClient.Right - 2 - Measures.SplitterSize - ActivePane.Width, ActivePane.Location.Y);
else if (DockState == DockState.DockTopAutoHide)
ActivePane.Location = new Point(ActivePane.Location.X, rectClient.Bottom - 2 - Measures.SplitterSize - ActivePane.Height);
}
private Rectangle GetRectangle(bool show)
{
if (DockState == DockState.Unknown)
return Rectangle.Empty;
Rectangle rect = DockPanel.AutoHideWindowRectangle;
if (show)
return rect;
if (DockState == DockState.DockLeftAutoHide)
rect.Width = 0;
else if (DockState == DockState.DockRightAutoHide)
{
rect.X += rect.Width;
rect.Width = 0;
}
else if (DockState == DockState.DockTopAutoHide)
rect.Height = 0;
else
{
rect.Y += rect.Height;
rect.Height = 0;
}
return rect;
}
private void SetTimerMouseTrack()
{
if (ActivePane == null || ActivePane.IsActivated || FlagDragging)
{
m_timerMouseTrack.Enabled = false;
return;
}
// start the timer
int hovertime = SystemInformation.MouseHoverTime ;
// assign a default value 400 in case of setting Timer.Interval invalid value exception
if (hovertime <= 0)
hovertime = 400;
m_timerMouseTrack.Interval = 2 * (int)hovertime;
m_timerMouseTrack.Enabled = true;
}
protected virtual Rectangle DisplayingRectangle
{
get
{
Rectangle rect = ClientRectangle;
// exclude the border and the splitter
if (DockState == DockState.DockBottomAutoHide)
{
rect.Y += 2 + Measures.SplitterSize;
rect.Height -= 2 + Measures.SplitterSize;
}
else if (DockState == DockState.DockRightAutoHide)
{
rect.X += 2 + Measures.SplitterSize;
rect.Width -= 2 + Measures.SplitterSize;
}
else if (DockState == DockState.DockTopAutoHide)
rect.Height -= 2 + Measures.SplitterSize;
else if (DockState == DockState.DockLeftAutoHide)
rect.Width -= 2 + Measures.SplitterSize;
return rect;
}
}
protected override void OnLayout(LayoutEventArgs levent)
{
DockPadding.All = 0;
if (DockState == DockState.DockLeftAutoHide)
{
DockPadding.Right = 2;
m_splitter.Dock = DockStyle.Right;
}
else if (DockState == DockState.DockRightAutoHide)
{
DockPadding.Left = 2;
m_splitter.Dock = DockStyle.Left;
}
else if (DockState == DockState.DockTopAutoHide)
{
DockPadding.Bottom = 2;
m_splitter.Dock = DockStyle.Bottom;
}
else if (DockState == DockState.DockBottomAutoHide)
{
DockPadding.Top = 2;
m_splitter.Dock = DockStyle.Top;
}
Rectangle rectDisplaying = DisplayingRectangle;
Rectangle rectHidden = new Rectangle(-rectDisplaying.Width, rectDisplaying.Y, rectDisplaying.Width, rectDisplaying.Height);
foreach (Control c in Controls)
{
DockPane pane = c as DockPane;
if (pane == null)
continue;
if (pane == ActivePane)
pane.Bounds = rectDisplaying;
else
pane.Bounds = rectHidden;
}
base.OnLayout(levent);
}
protected override void OnPaint(PaintEventArgs e)
{
// Draw the border
Graphics g = e.Graphics;
if (DockState == DockState.DockBottomAutoHide)
g.DrawLine(SystemPens.ControlLightLight, 0, 1, ClientRectangle.Right, 1);
else if (DockState == DockState.DockRightAutoHide)
g.DrawLine(SystemPens.ControlLightLight, 1, 0, 1, ClientRectangle.Bottom);
else if (DockState == DockState.DockTopAutoHide)
{
g.DrawLine(SystemPens.ControlDark, 0, ClientRectangle.Height - 2, ClientRectangle.Right, ClientRectangle.Height - 2);
g.DrawLine(SystemPens.ControlDarkDark, 0, ClientRectangle.Height - 1, ClientRectangle.Right, ClientRectangle.Height - 1);
}
else if (DockState == DockState.DockLeftAutoHide)
{
g.DrawLine(SystemPens.ControlDark, ClientRectangle.Width - 2, 0, ClientRectangle.Width - 2, ClientRectangle.Bottom);
g.DrawLine(SystemPens.ControlDarkDark, ClientRectangle.Width - 1, 0, ClientRectangle.Width - 1, ClientRectangle.Bottom);
}
base.OnPaint(e);
}
public void RefreshActiveContent()
{
if (ActiveContent == null)
return;
if (!DockHelper.IsDockStateAutoHide(ActiveContent.DockHandler.DockState))
{
FlagAnimate = false;
ActiveContent = null;
FlagAnimate = true;
}
}
public void RefreshActivePane()
{
SetTimerMouseTrack();
}
private void TimerMouseTrack_Tick(object sender, EventArgs e)
{
if (IsDisposed)
return;
if (ActivePane == null || ActivePane.IsActivated)
{
m_timerMouseTrack.Enabled = false;
return;
}
DockPane pane = ActivePane;
Point ptMouseInAutoHideWindow = PointToClient(Control.MousePosition);
Point ptMouseInDockPanel = DockPanel.PointToClient(Control.MousePosition);
Rectangle rectTabStrip = DockPanel.GetTabStripRectangle(pane.DockState);
if (!ClientRectangle.Contains(ptMouseInAutoHideWindow) && !rectTabStrip.Contains(ptMouseInDockPanel))
{
ActiveContent = null;
m_timerMouseTrack.Enabled = false;
}
}
#region ISplitterDragSource Members
void ISplitterDragSource.BeginDrag(Rectangle rectSplitter)
{
FlagDragging = true;
}
void ISplitterDragSource.EndDrag()
{
FlagDragging = false;
}
bool ISplitterDragSource.IsVertical
{
get { return (DockState == DockState.DockLeftAutoHide || DockState == DockState.DockRightAutoHide); }
}
Rectangle ISplitterDragSource.DragLimitBounds
{
get
{
Rectangle rectLimit = DockPanel.DockArea;
if ((this as ISplitterDragSource).IsVertical)
{
rectLimit.X += MeasurePane.MinSize;
rectLimit.Width -= 2 * MeasurePane.MinSize;
}
else
{
rectLimit.Y += MeasurePane.MinSize;
rectLimit.Height -= 2 * MeasurePane.MinSize;
}
return DockPanel.RectangleToScreen(rectLimit);
}
}
void ISplitterDragSource.MoveSplitter(int offset)
{
Rectangle rectDockArea = DockPanel.DockArea;
IDockContent content = ActiveContent;
if (DockState == DockState.DockLeftAutoHide && rectDockArea.Width > 0)
{
if (content.DockHandler.AutoHidePortion < 1)
content.DockHandler.AutoHidePortion += ((double)offset) / (double)rectDockArea.Width;
else
content.DockHandler.AutoHidePortion = Width + offset;
}
else if (DockState == DockState.DockRightAutoHide && rectDockArea.Width > 0)
{
if (content.DockHandler.AutoHidePortion < 1)
content.DockHandler.AutoHidePortion -= ((double)offset) / (double)rectDockArea.Width;
else
content.DockHandler.AutoHidePortion = Width - offset;
}
else if (DockState == DockState.DockBottomAutoHide && rectDockArea.Height > 0)
{
if (content.DockHandler.AutoHidePortion < 1)
content.DockHandler.AutoHidePortion -= ((double)offset) / (double)rectDockArea.Height;
else
content.DockHandler.AutoHidePortion = Height - offset;
}
else if (DockState == DockState.DockTopAutoHide && rectDockArea.Height > 0)
{
if (content.DockHandler.AutoHidePortion < 1)
content.DockHandler.AutoHidePortion += ((double)offset) / (double)rectDockArea.Height;
else
content.DockHandler.AutoHidePortion = Height + offset;
}
}
#region IDragSource Members
Control IDragSource.DragControl
{
get { return this; }
}
#endregion
#endregion
}
private AutoHideWindowControl AutoHideWindow
{
get { return m_autoHideWindow; }
}
internal Control AutoHideControl
{
get { return m_autoHideWindow; }
}
internal void RefreshActiveAutoHideContent()
{
AutoHideWindow.RefreshActiveContent();
}
internal Rectangle AutoHideWindowRectangle
{
get
{
DockState state = AutoHideWindow.DockState;
Rectangle rectDockArea = DockArea;
if (ActiveAutoHideContent == null)
return Rectangle.Empty;
if (Parent == null)
return Rectangle.Empty;
Rectangle rect = Rectangle.Empty;
double autoHideSize = ActiveAutoHideContent.DockHandler.AutoHidePortion;
if (state == DockState.DockLeftAutoHide)
{
if (autoHideSize < 1)
autoHideSize = rectDockArea.Width * autoHideSize;
if (autoHideSize > rectDockArea.Width - MeasurePane.MinSize)
autoHideSize = rectDockArea.Width - MeasurePane.MinSize;
rect.X = rectDockArea.X;
rect.Y = rectDockArea.Y;
rect.Width = (int)autoHideSize;
rect.Height = rectDockArea.Height;
}
else if (state == DockState.DockRightAutoHide)
{
if (autoHideSize < 1)
autoHideSize = rectDockArea.Width * autoHideSize;
if (autoHideSize > rectDockArea.Width - MeasurePane.MinSize)
autoHideSize = rectDockArea.Width - MeasurePane.MinSize;
rect.X = rectDockArea.X + rectDockArea.Width - (int)autoHideSize;
rect.Y = rectDockArea.Y;
rect.Width = (int)autoHideSize;
rect.Height = rectDockArea.Height;
}
else if (state == DockState.DockTopAutoHide)
{
if (autoHideSize < 1)
autoHideSize = rectDockArea.Height * autoHideSize;
if (autoHideSize > rectDockArea.Height - MeasurePane.MinSize)
autoHideSize = rectDockArea.Height - MeasurePane.MinSize;
rect.X = rectDockArea.X;
rect.Y = rectDockArea.Y;
rect.Width = rectDockArea.Width;
rect.Height = (int)autoHideSize;
}
else if (state == DockState.DockBottomAutoHide)
{
if (autoHideSize < 1)
autoHideSize = rectDockArea.Height * autoHideSize;
if (autoHideSize > rectDockArea.Height - MeasurePane.MinSize)
autoHideSize = rectDockArea.Height - MeasurePane.MinSize;
rect.X = rectDockArea.X;
rect.Y = rectDockArea.Y + rectDockArea.Height - (int)autoHideSize;
rect.Width = rectDockArea.Width;
rect.Height = (int)autoHideSize;
}
return rect;
}
}
internal Rectangle GetAutoHideWindowBounds(Rectangle rectAutoHideWindow)
{
if (DocumentStyle == DocumentStyle.SystemMdi ||
DocumentStyle == DocumentStyle.DockingMdi)
return (Parent == null) ? Rectangle.Empty : Parent.RectangleToClient(RectangleToScreen(rectAutoHideWindow));
else
return rectAutoHideWindow;
}
internal void RefreshAutoHideStrip()
{
AutoHideStripControl.RefreshChanges();
}
}
}