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source: trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.WinFormsUI/2.3.1/WinFormsUI-2.3.1/Docking/DockPanel.cs @ 5304

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Last change on this file since 5304 was 4068, checked in by swagner, 14 years ago
Sorted usings and removed unused usings in entire solution (#1094)
File size: 29.2 KB

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1	using System;
2	using System.Collections.Generic;
3	using System.ComponentModel;
4	using System.Diagnostics.CodeAnalysis;
5	using System.Drawing;
6	using System.Windows.Forms;
7
8	// To simplify the process of finding the toolbox bitmap resource:
9	// #1 Create an internal class called "resfinder" outside of the root namespace.
10	// #2 Use "resfinder" in the toolbox bitmap attribute instead of the control name.
11	// #3 use the "<default namespace>.<resourcename>" string to locate the resource.
12	// See: http://www.bobpowell.net/toolboxbitmap.htm
13	internal class resfinder {
14	}
15
16	namespace WeifenLuo.WinFormsUI.Docking {
17	[SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "0#")]
18	public delegate IDockContent DeserializeDockContent(string persistString);
19
20	[LocalizedDescription("DockPanel_Description")]
21	[Designer(typeof(System.Windows.Forms.Design.ControlDesigner))]
22	[ToolboxBitmap(typeof(resfinder), "WeifenLuo.WinFormsUI.Docking.DockPanel.bmp")]
23	[DefaultProperty("DocumentStyle")]
24	[DefaultEvent("ActiveContentChanged")]
25	public partial class DockPanel : Panel {
26	private FocusManagerImpl m_focusManager;
27	private DockPanelExtender m_extender;
28	private DockPaneCollection m_panes;
29	private FloatWindowCollection m_floatWindows;
30	private AutoHideWindowControl m_autoHideWindow;
31	private DockWindowCollection m_dockWindows;
32	private DockContent m_dummyContent;
33	private Control m_dummyControl;
34
35	public DockPanel() {
36	m_focusManager = new FocusManagerImpl(this);
37	m_extender = new DockPanelExtender(this);
38	m_panes = new DockPaneCollection();
39	m_floatWindows = new FloatWindowCollection();
40
41	SuspendLayout();
42
43	m_autoHideWindow = new AutoHideWindowControl(this);
44	m_autoHideWindow.Visible = false;
45	SetAutoHideWindowParent();
46
47	m_dummyControl = new DummyControl();
48	m_dummyControl.Bounds = new Rectangle(0, 0, 1, 1);
49	Controls.Add(m_dummyControl);
50
51	m_dockWindows = new DockWindowCollection(this);
52	Controls.AddRange(new Control[] {
53	DockWindows[DockState.Document],
54	DockWindows[DockState.DockLeft],
55	DockWindows[DockState.DockRight],
56	DockWindows[DockState.DockTop],
57	DockWindows[DockState.DockBottom]
58	});
59
60	m_dummyContent = new DockContent();
61	ResumeLayout();
62	}
63
64	private Color m_BackColor;
65	/// <summary>
66	/// Determines the color with which the client rectangle will be drawn.
67	/// If you take this property instead of the BackColor it will not have any influence on the borders to the surrounding controls (DockPane).
68	/// If you use BackColor the borders to the surrounding controls (DockPane) will also change there colors.
69	/// Alternatively you can use both of them (BackColor to draw the define the color of the borders and DockBackColor to define the color of the client rectangle).
70	/// For Backgroundimages: Set your prefered Image, then set the DockBackColor and the BackColor to the same Color (Control)
71	/// </summary>
72	public Color DockBackColor {
73	get {
74	return !m_BackColor.IsEmpty ? m_BackColor : base.BackColor;
75	}
76	set {
77	m_BackColor = value;
78	}
79	}
80
81	private AutoHideStripBase m_autoHideStripControl = null;
82	internal AutoHideStripBase AutoHideStripControl {
83	get {
84	if (m_autoHideStripControl == null) {
85	m_autoHideStripControl = AutoHideStripFactory.CreateAutoHideStrip(this);
86	Controls.Add(m_autoHideStripControl);
87	}
88	return m_autoHideStripControl;
89	}
90	}
91	internal void ResetAutoHideStripControl() {
92	if (m_autoHideStripControl != null)
93	m_autoHideStripControl.Dispose();
94
95	m_autoHideStripControl = null;
96	}
97
98	private void MdiClientHandleAssigned(object sender, EventArgs e) {
99	SetMdiClient();
100	PerformLayout();
101	}
102
103	private void MdiClient_Layout(object sender, LayoutEventArgs e) {
104	if (DocumentStyle != DocumentStyle.DockingMdi)
105	return;
106
107	foreach (DockPane pane in Panes)
108	if (pane.DockState == DockState.Document)
109	pane.SetContentBounds();
110
111	InvalidateWindowRegion();
112	}
113
114	private bool m_disposed = false;
115	protected override void Dispose(bool disposing) {
116	lock (this) {
117	if (!m_disposed && disposing) {
118	m_focusManager.Dispose();
119	if (m_mdiClientController != null) {
120	m_mdiClientController.HandleAssigned -= new EventHandler(MdiClientHandleAssigned);
121	m_mdiClientController.MdiChildActivate -= new EventHandler(ParentFormMdiChildActivate);
122	m_mdiClientController.Layout -= new LayoutEventHandler(MdiClient_Layout);
123	m_mdiClientController.Dispose();
124	}
125	FloatWindows.Dispose();
126	Panes.Dispose();
127	DummyContent.Dispose();
128
129	m_disposed = true;
130	}
131
132	base.Dispose(disposing);
133	}
134	}
135
136	[Browsable(false)]
137	public IDockContent ActiveAutoHideContent {
138	get { return AutoHideWindow.ActiveContent; }
139	set { AutoHideWindow.ActiveContent = value; }
140	}
141
142	private bool m_allowEndUserDocking = true;
143	[LocalizedCategory("Category_Docking")]
144	[LocalizedDescription("DockPanel_AllowEndUserDocking_Description")]
145	[DefaultValue(true)]
146	public bool AllowEndUserDocking {
147	get { return m_allowEndUserDocking; }
148	set { m_allowEndUserDocking = value; }
149	}
150
151	private bool m_allowEndUserNestedDocking = true;
152	[LocalizedCategory("Category_Docking")]
153	[LocalizedDescription("DockPanel_AllowEndUserNestedDocking_Description")]
154	[DefaultValue(true)]
155	public bool AllowEndUserNestedDocking {
156	get { return m_allowEndUserNestedDocking; }
157	set { m_allowEndUserNestedDocking = value; }
158	}
159
160	private DockContentCollection m_contents = new DockContentCollection();
161	[Browsable(false)]
162	public DockContentCollection Contents {
163	get { return m_contents; }
164	}
165
166	internal DockContent DummyContent {
167	get { return m_dummyContent; }
168	}
169
170	private bool m_rightToLeftLayout = false;
171	[DefaultValue(false)]
172	[LocalizedCategory("Appearance")]
173	[LocalizedDescription("DockPanel_RightToLeftLayout_Description")]
174	public bool RightToLeftLayout {
175	get { return m_rightToLeftLayout; }
176	set {
177	if (m_rightToLeftLayout == value)
178	return;
179
180	m_rightToLeftLayout = value;
181	foreach (FloatWindow floatWindow in FloatWindows)
182	floatWindow.RightToLeftLayout = value;
183	}
184	}
185
186	protected override void OnRightToLeftChanged(EventArgs e) {
187	base.OnRightToLeftChanged(e);
188	foreach (FloatWindow floatWindow in FloatWindows) {
189	if (floatWindow.RightToLeft != RightToLeft)
190	floatWindow.RightToLeft = RightToLeft;
191	}
192	}
193
194	private bool m_showDocumentIcon = false;
195	[DefaultValue(false)]
196	[LocalizedCategory("Category_Docking")]
197	[LocalizedDescription("DockPanel_ShowDocumentIcon_Description")]
198	public bool ShowDocumentIcon {
199	get { return m_showDocumentIcon; }
200	set {
201	if (m_showDocumentIcon == value)
202	return;
203
204	m_showDocumentIcon = value;
205	Refresh();
206	}
207	}
208
209	private DockPanelSkin m_dockPanelSkin = new DockPanelSkin();
210	[LocalizedCategory("Category_Docking")]
211	[LocalizedDescription("DockPanel_DockPanelSkin")]
212	public DockPanelSkin Skin {
213	get { return m_dockPanelSkin; }
214	set { m_dockPanelSkin = value; }
215	}
216
217	private DocumentTabStripLocation m_documentTabStripLocation = DocumentTabStripLocation.Top;
218	[DefaultValue(DocumentTabStripLocation.Top)]
219	[LocalizedCategory("Category_Docking")]
220	[LocalizedDescription("DockPanel_DocumentTabStripLocation")]
221	public DocumentTabStripLocation DocumentTabStripLocation {
222	get { return m_documentTabStripLocation; }
223	set { m_documentTabStripLocation = value; }
224	}
225
226	[Browsable(false)]
227	public DockPanelExtender Extender {
228	get { return m_extender; }
229	}
230
231	public DockPanelExtender.IDockPaneFactory DockPaneFactory {
232	get { return Extender.DockPaneFactory; }
233	}
234
235	public DockPanelExtender.IFloatWindowFactory FloatWindowFactory {
236	get { return Extender.FloatWindowFactory; }
237	}
238
239	internal DockPanelExtender.IDockPaneCaptionFactory DockPaneCaptionFactory {
240	get { return Extender.DockPaneCaptionFactory; }
241	}
242
243	internal DockPanelExtender.IDockPaneStripFactory DockPaneStripFactory {
244	get { return Extender.DockPaneStripFactory; }
245	}
246
247	internal DockPanelExtender.IAutoHideStripFactory AutoHideStripFactory {
248	get { return Extender.AutoHideStripFactory; }
249	}
250
251	[Browsable(false)]
252	public DockPaneCollection Panes {
253	get { return m_panes; }
254	}
255
256	internal Rectangle DockArea {
257	get {
258	return new Rectangle(DockPadding.Left, DockPadding.Top,
259	ClientRectangle.Width - DockPadding.Left - DockPadding.Right,
260	ClientRectangle.Height - DockPadding.Top - DockPadding.Bottom);
261	}
262	}
263
264	private double m_dockBottomPortion = 0.25;
265	[LocalizedCategory("Category_Docking")]
266	[LocalizedDescription("DockPanel_DockBottomPortion_Description")]
267	[DefaultValue(0.25)]
268	public double DockBottomPortion {
269	get { return m_dockBottomPortion; }
270	set {
271	if (value <= 0)
272	throw new ArgumentOutOfRangeException("value");
273
274	if (value == m_dockBottomPortion)
275	return;
276
277	m_dockBottomPortion = value;
278
279	if (m_dockBottomPortion < 1 && m_dockTopPortion < 1) {
280	if (m_dockTopPortion + m_dockBottomPortion > 1)
281	m_dockTopPortion = 1 - m_dockBottomPortion;
282	}
283
284	PerformLayout();
285	}
286	}
287
288	private double m_dockLeftPortion = 0.25;
289	[LocalizedCategory("Category_Docking")]
290	[LocalizedDescription("DockPanel_DockLeftPortion_Description")]
291	[DefaultValue(0.25)]
292	public double DockLeftPortion {
293	get { return m_dockLeftPortion; }
294	set {
295	if (value <= 0)
296	throw new ArgumentOutOfRangeException("value");
297
298	if (value == m_dockLeftPortion)
299	return;
300
301	m_dockLeftPortion = value;
302
303	if (m_dockLeftPortion < 1 && m_dockRightPortion < 1) {
304	if (m_dockLeftPortion + m_dockRightPortion > 1)
305	m_dockRightPortion = 1 - m_dockLeftPortion;
306	}
307	PerformLayout();
308	}
309	}
310
311	private double m_dockRightPortion = 0.25;
312	[LocalizedCategory("Category_Docking")]
313	[LocalizedDescription("DockPanel_DockRightPortion_Description")]
314	[DefaultValue(0.25)]
315	public double DockRightPortion {
316	get { return m_dockRightPortion; }
317	set {
318	if (value <= 0)
319	throw new ArgumentOutOfRangeException("value");
320
321	if (value == m_dockRightPortion)
322	return;
323
324	m_dockRightPortion = value;
325
326	if (m_dockLeftPortion < 1 && m_dockRightPortion < 1) {
327	if (m_dockLeftPortion + m_dockRightPortion > 1)
328	m_dockLeftPortion = 1 - m_dockRightPortion;
329	}
330	PerformLayout();
331	}
332	}
333
334	private double m_dockTopPortion = 0.25;
335	[LocalizedCategory("Category_Docking")]
336	[LocalizedDescription("DockPanel_DockTopPortion_Description")]
337	[DefaultValue(0.25)]
338	public double DockTopPortion {
339	get { return m_dockTopPortion; }
340	set {
341	if (value <= 0)
342	throw new ArgumentOutOfRangeException("value");
343
344	if (value == m_dockTopPortion)
345	return;
346
347	m_dockTopPortion = value;
348
349	if (m_dockTopPortion < 1 && m_dockBottomPortion < 1) {
350	if (m_dockTopPortion + m_dockBottomPortion > 1)
351	m_dockBottomPortion = 1 - m_dockTopPortion;
352	}
353	PerformLayout();
354	}
355	}
356
357	[Browsable(false)]
358	public DockWindowCollection DockWindows {
359	get { return m_dockWindows; }
360	}
361
362	public void UpdateDockWindowZOrder(DockStyle dockStyle, bool fullPanelEdge) {
363	if (dockStyle == DockStyle.Left) {
364	if (fullPanelEdge)
365	DockWindows[DockState.DockLeft].SendToBack();
366	else
367	DockWindows[DockState.DockLeft].BringToFront();
368	} else if (dockStyle == DockStyle.Right) {
369	if (fullPanelEdge)
370	DockWindows[DockState.DockRight].SendToBack();
371	else
372	DockWindows[DockState.DockRight].BringToFront();
373	} else if (dockStyle == DockStyle.Top) {
374	if (fullPanelEdge)
375	DockWindows[DockState.DockTop].SendToBack();
376	else
377	DockWindows[DockState.DockTop].BringToFront();
378	} else if (dockStyle == DockStyle.Bottom) {
379	if (fullPanelEdge)
380	DockWindows[DockState.DockBottom].SendToBack();
381	else
382	DockWindows[DockState.DockBottom].BringToFront();
383	}
384	}
385
386	public int DocumentsCount {
387	get {
388	int count = 0;
389	foreach (IDockContent content in Documents)
390	count++;
391
392	return count;
393	}
394	}
395
396	public IDockContent[] DocumentsToArray() {
397	int count = DocumentsCount;
398	IDockContent[] documents = new IDockContent[count];
399	int i = 0;
400	foreach (IDockContent content in Documents) {
401	documents[i] = content;
402	i++;
403	}
404
405	return documents;
406	}
407
408	public IEnumerable<IDockContent> Documents {
409	get {
410	foreach (IDockContent content in Contents) {
411	if (content.DockHandler.DockState == DockState.Document)
412	yield return content;
413	}
414	}
415	}
416
417	private Rectangle DocumentRectangle {
418	get {
419	Rectangle rect = DockArea;
420	if (DockWindows[DockState.DockLeft].VisibleNestedPanes.Count != 0) {
421	rect.X += (int)(DockArea.Width * DockLeftPortion);
422	rect.Width -= (int)(DockArea.Width * DockLeftPortion);
423	}
424	if (DockWindows[DockState.DockRight].VisibleNestedPanes.Count != 0)
425	rect.Width -= (int)(DockArea.Width * DockRightPortion);
426	if (DockWindows[DockState.DockTop].VisibleNestedPanes.Count != 0) {
427	rect.Y += (int)(DockArea.Height * DockTopPortion);
428	rect.Height -= (int)(DockArea.Height * DockTopPortion);
429	}
430	if (DockWindows[DockState.DockBottom].VisibleNestedPanes.Count != 0)
431	rect.Height -= (int)(DockArea.Height * DockBottomPortion);
432
433	return rect;
434	}
435	}
436
437	private Control DummyControl {
438	get { return m_dummyControl; }
439	}
440
441	[Browsable(false)]
442	public FloatWindowCollection FloatWindows {
443	get { return m_floatWindows; }
444	}
445
446	private Size m_defaultFloatWindowSize = new Size(300, 300);
447	[Category("Layout")]
448	[LocalizedDescription("DockPanel_DefaultFloatWindowSize_Description")]
449	public Size DefaultFloatWindowSize {
450	get { return m_defaultFloatWindowSize; }
451	set { m_defaultFloatWindowSize = value; }
452	}
453	private bool ShouldSerializeDefaultFloatWindowSize() {
454	return DefaultFloatWindowSize != new Size(300, 300);
455	}
456
457	private DocumentStyle m_documentStyle = DocumentStyle.DockingMdi;
458	[LocalizedCategory("Category_Docking")]
459	[LocalizedDescription("DockPanel_DocumentStyle_Description")]
460	[DefaultValue(DocumentStyle.DockingMdi)]
461	public DocumentStyle DocumentStyle {
462	get { return m_documentStyle; }
463	set {
464	if (value == m_documentStyle)
465	return;
466
467	if (!Enum.IsDefined(typeof(DocumentStyle), value))
468	throw new InvalidEnumArgumentException();
469
470	if (value == DocumentStyle.SystemMdi && DockWindows[DockState.Document].VisibleNestedPanes.Count > 0)
471	throw new InvalidEnumArgumentException();
472
473	m_documentStyle = value;
474
475	SuspendLayout(true);
476
477	SetAutoHideWindowParent();
478	SetMdiClient();
479	InvalidateWindowRegion();
480
481	foreach (IDockContent content in Contents) {
482	if (content.DockHandler.DockState == DockState.Document)
483	content.DockHandler.SetPaneAndVisible(content.DockHandler.Pane);
484	}
485
486	PerformMdiClientLayout();
487
488	ResumeLayout(true, true);
489	}
490	}
491
492	private int GetDockWindowSize(DockState dockState) {
493	if (dockState == DockState.DockLeft \|\| dockState == DockState.DockRight) {
494	int width = ClientRectangle.Width - DockPadding.Left - DockPadding.Right;
495	int dockLeftSize = m_dockLeftPortion >= 1 ? (int)m_dockLeftPortion : (int)(width * m_dockLeftPortion);
496	int dockRightSize = m_dockRightPortion >= 1 ? (int)m_dockRightPortion : (int)(width * m_dockRightPortion);
497
498	if (dockLeftSize < MeasurePane.MinSize)
499	dockLeftSize = MeasurePane.MinSize;
500	if (dockRightSize < MeasurePane.MinSize)
501	dockRightSize = MeasurePane.MinSize;
502
503	if (dockLeftSize + dockRightSize > width - MeasurePane.MinSize) {
504	int adjust = (dockLeftSize + dockRightSize) - (width - MeasurePane.MinSize);
505	dockLeftSize -= adjust / 2;
506	dockRightSize -= adjust / 2;
507	}
508
509	return dockState == DockState.DockLeft ? dockLeftSize : dockRightSize;
510	} else if (dockState == DockState.DockTop \|\| dockState == DockState.DockBottom) {
511	int height = ClientRectangle.Height - DockPadding.Top - DockPadding.Bottom;
512	int dockTopSize = m_dockTopPortion >= 1 ? (int)m_dockTopPortion : (int)(height * m_dockTopPortion);
513	int dockBottomSize = m_dockBottomPortion >= 1 ? (int)m_dockBottomPortion : (int)(height * m_dockBottomPortion);
514
515	if (dockTopSize < MeasurePane.MinSize)
516	dockTopSize = MeasurePane.MinSize;
517	if (dockBottomSize < MeasurePane.MinSize)
518	dockBottomSize = MeasurePane.MinSize;
519
520	if (dockTopSize + dockBottomSize > height - MeasurePane.MinSize) {
521	int adjust = (dockTopSize + dockBottomSize) - (height - MeasurePane.MinSize);
522	dockTopSize -= adjust / 2;
523	dockBottomSize -= adjust / 2;
524	}
525
526	return dockState == DockState.DockTop ? dockTopSize : dockBottomSize;
527	} else
528	return 0;
529	}
530
531	protected override void OnLayout(LayoutEventArgs levent) {
532	SuspendLayout(true);
533
534	AutoHideStripControl.Bounds = ClientRectangle;
535
536	CalculateDockPadding();
537
538	DockWindows[DockState.DockLeft].Width = GetDockWindowSize(DockState.DockLeft);
539	DockWindows[DockState.DockRight].Width = GetDockWindowSize(DockState.DockRight);
540	DockWindows[DockState.DockTop].Height = GetDockWindowSize(DockState.DockTop);
541	DockWindows[DockState.DockBottom].Height = GetDockWindowSize(DockState.DockBottom);
542
543	AutoHideWindow.Bounds = GetAutoHideWindowBounds(AutoHideWindowRectangle);
544
545	DockWindows[DockState.Document].BringToFront();
546	AutoHideWindow.BringToFront();
547
548	base.OnLayout(levent);
549
550	if (DocumentStyle == DocumentStyle.SystemMdi && MdiClientExists) {
551	SetMdiClientBounds(SystemMdiClientBounds);
552	InvalidateWindowRegion();
553	} else if (DocumentStyle == DocumentStyle.DockingMdi)
554	InvalidateWindowRegion();
555
556	ResumeLayout(true, true);
557	}
558
559	internal Rectangle GetTabStripRectangle(DockState dockState) {
560	return AutoHideStripControl.GetTabStripRectangle(dockState);
561	}
562
563	protected override void OnPaint(PaintEventArgs e) {
564	base.OnPaint(e);
565
566	if (DockBackColor == BackColor) return;
567
568	Graphics g = e.Graphics;
569	SolidBrush bgBrush = new SolidBrush(DockBackColor);
570	g.FillRectangle(bgBrush, ClientRectangle);
571	}
572
573	internal void AddContent(IDockContent content) {
574	if (content == null)
575	throw (new ArgumentNullException());
576
577	if (!Contents.Contains(content)) {
578	Contents.Add(content);
579	OnContentAdded(new DockContentEventArgs(content));
580	}
581	}
582
583	internal void AddPane(DockPane pane) {
584	if (Panes.Contains(pane))
585	return;
586
587	Panes.Add(pane);
588	}
589
590	internal void AddFloatWindow(FloatWindow floatWindow) {
591	if (FloatWindows.Contains(floatWindow))
592	return;
593
594	FloatWindows.Add(floatWindow);
595	}
596
597	private void CalculateDockPadding() {
598	DockPadding.All = 0;
599
600	int height = AutoHideStripControl.MeasureHeight();
601
602	if (AutoHideStripControl.GetNumberOfPanes(DockState.DockLeftAutoHide) > 0)
603	DockPadding.Left = height;
604	if (AutoHideStripControl.GetNumberOfPanes(DockState.DockRightAutoHide) > 0)
605	DockPadding.Right = height;
606	if (AutoHideStripControl.GetNumberOfPanes(DockState.DockTopAutoHide) > 0)
607	DockPadding.Top = height;
608	if (AutoHideStripControl.GetNumberOfPanes(DockState.DockBottomAutoHide) > 0)
609	DockPadding.Bottom = height;
610	}
611
612	internal void RemoveContent(IDockContent content) {
613	if (content == null)
614	throw (new ArgumentNullException());
615
616	if (Contents.Contains(content)) {
617	Contents.Remove(content);
618	OnContentRemoved(new DockContentEventArgs(content));
619	}
620	}
621
622	internal void RemovePane(DockPane pane) {
623	if (!Panes.Contains(pane))
624	return;
625
626	Panes.Remove(pane);
627	}
628
629	internal void RemoveFloatWindow(FloatWindow floatWindow) {
630	if (!FloatWindows.Contains(floatWindow))
631	return;
632
633	FloatWindows.Remove(floatWindow);
634	}
635
636	public void SetPaneIndex(DockPane pane, int index) {
637	int oldIndex = Panes.IndexOf(pane);
638	if (oldIndex == -1)
639	throw (new ArgumentException(Strings.DockPanel_SetPaneIndex_InvalidPane));
640
641	if (index < 0 \|\| index > Panes.Count - 1)
642	if (index != -1)
643	throw (new ArgumentOutOfRangeException(Strings.DockPanel_SetPaneIndex_InvalidIndex));
644
645	if (oldIndex == index)
646	return;
647	if (oldIndex == Panes.Count - 1 && index == -1)
648	return;
649
650	Panes.Remove(pane);
651	if (index == -1)
652	Panes.Add(pane);
653	else if (oldIndex < index)
654	Panes.AddAt(pane, index - 1);
655	else
656	Panes.AddAt(pane, index);
657	}
658
659	public void SuspendLayout(bool allWindows) {
660	FocusManager.SuspendFocusTracking();
661	SuspendLayout();
662	if (allWindows)
663	SuspendMdiClientLayout();
664	}
665
666	public void ResumeLayout(bool performLayout, bool allWindows) {
667	FocusManager.ResumeFocusTracking();
668	ResumeLayout(performLayout);
669	if (allWindows)
670	ResumeMdiClientLayout(performLayout);
671	}
672
673	internal Form ParentForm {
674	get {
675	if (!IsParentFormValid())
676	throw new InvalidOperationException(Strings.DockPanel_ParentForm_Invalid);
677
678	return GetMdiClientController().ParentForm;
679	}
680	}
681
682	private bool IsParentFormValid() {
683	if (DocumentStyle == DocumentStyle.DockingSdi \|\| DocumentStyle == DocumentStyle.DockingWindow)
684	return true;
685
686	if (!MdiClientExists)
687	GetMdiClientController().RenewMdiClient();
688
689	return (MdiClientExists);
690	}
691
692	protected override void OnParentChanged(EventArgs e) {
693	SetAutoHideWindowParent();
694	GetMdiClientController().ParentForm = (this.Parent as Form);
695	base.OnParentChanged(e);
696	}
697
698	private void SetAutoHideWindowParent() {
699	Control parent;
700	if (DocumentStyle == DocumentStyle.DockingMdi \|\|
701	DocumentStyle == DocumentStyle.SystemMdi)
702	parent = this.Parent;
703	else
704	parent = this;
705	if (AutoHideWindow.Parent != parent) {
706	AutoHideWindow.Parent = parent;
707	AutoHideWindow.BringToFront();
708	}
709	}
710
711	protected override void OnVisibleChanged(EventArgs e) {
712	base.OnVisibleChanged(e);
713
714	if (Visible)
715	SetMdiClient();
716	}
717
718	private Rectangle SystemMdiClientBounds {
719	get {
720	if (!IsParentFormValid() \|\| !Visible)
721	return Rectangle.Empty;
722
723	Rectangle rect = ParentForm.RectangleToClient(RectangleToScreen(DocumentWindowBounds));
724	return rect;
725	}
726	}
727
728	internal Rectangle DocumentWindowBounds {
729	get {
730	Rectangle rectDocumentBounds = DisplayRectangle;
731	if (DockWindows[DockState.DockLeft].Visible) {
732	rectDocumentBounds.X += DockWindows[DockState.DockLeft].Width;
733	rectDocumentBounds.Width -= DockWindows[DockState.DockLeft].Width;
734	}
735	if (DockWindows[DockState.DockRight].Visible)
736	rectDocumentBounds.Width -= DockWindows[DockState.DockRight].Width;
737	if (DockWindows[DockState.DockTop].Visible) {
738	rectDocumentBounds.Y += DockWindows[DockState.DockTop].Height;
739	rectDocumentBounds.Height -= DockWindows[DockState.DockTop].Height;
740	}
741	if (DockWindows[DockState.DockBottom].Visible)
742	rectDocumentBounds.Height -= DockWindows[DockState.DockBottom].Height;
743
744	return rectDocumentBounds;
745
746	}
747	}
748
749	private PaintEventHandler m_dummyControlPaintEventHandler = null;
750	private void InvalidateWindowRegion() {
751	if (DesignMode)
752	return;
753
754	if (m_dummyControlPaintEventHandler == null)
755	m_dummyControlPaintEventHandler = new PaintEventHandler(DummyControl_Paint);
756
757	DummyControl.Paint += m_dummyControlPaintEventHandler;
758	DummyControl.Invalidate();
759	}
760
761	void DummyControl_Paint(object sender, PaintEventArgs e) {
762	DummyControl.Paint -= m_dummyControlPaintEventHandler;
763	UpdateWindowRegion();
764	}
765
766	private void UpdateWindowRegion() {
767	if (this.DocumentStyle == DocumentStyle.DockingMdi)
768	UpdateWindowRegion_ClipContent();
769	else if (this.DocumentStyle == DocumentStyle.DockingSdi \|\|
770	this.DocumentStyle == DocumentStyle.DockingWindow)
771	UpdateWindowRegion_FullDocumentArea();
772	else if (this.DocumentStyle == DocumentStyle.SystemMdi)
773	UpdateWindowRegion_EmptyDocumentArea();
774	}
775
776	private void UpdateWindowRegion_FullDocumentArea() {
777	SetRegion(null);
778	}
779
780	private void UpdateWindowRegion_EmptyDocumentArea() {
781	Rectangle rect = DocumentWindowBounds;
782	SetRegion(new Rectangle[] { rect });
783	}
784
785	private void UpdateWindowRegion_ClipContent() {
786	int count = 0;
787	foreach (DockPane pane in this.Panes) {
788	if (!pane.Visible \|\| pane.DockState != DockState.Document)
789	continue;
790
791	count++;
792	}
793
794	if (count == 0) {
795	SetRegion(null);
796	return;
797	}
798
799	Rectangle[] rects = new Rectangle[count];
800	int i = 0;
801	foreach (DockPane pane in this.Panes) {
802	if (!pane.Visible \|\| pane.DockState != DockState.Document)
803	continue;
804
805	rects[i] = RectangleToClient(pane.RectangleToScreen(pane.ContentRectangle));
806	i++;
807	}
808
809	SetRegion(rects);
810	}
811
812	private Rectangle[] m_clipRects = null;
813	private void SetRegion(Rectangle[] clipRects) {
814	if (!IsClipRectsChanged(clipRects))
815	return;
816
817	m_clipRects = clipRects;
818
819	if (m_clipRects == null \|\| m_clipRects.GetLength(0) == 0)
820	Region = null;
821	else {
822	Region region = new Region(new Rectangle(0, 0, this.Width, this.Height));
823	foreach (Rectangle rect in m_clipRects)
824	region.Exclude(rect);
825	Region = region;
826	}
827	}
828
829	private bool IsClipRectsChanged(Rectangle[] clipRects) {
830	if (clipRects == null && m_clipRects == null)
831	return false;
832	else if ((clipRects == null) != (m_clipRects == null))
833	return true;
834
835	foreach (Rectangle rect in clipRects) {
836	bool matched = false;
837	foreach (Rectangle rect2 in m_clipRects) {
838	if (rect == rect2) {
839	matched = true;
840	break;
841	}
842	}
843	if (!matched)
844	return true;
845	}
846
847	foreach (Rectangle rect2 in m_clipRects) {
848	bool matched = false;
849	foreach (Rectangle rect in clipRects) {
850	if (rect == rect2) {
851	matched = true;
852	break;
853	}
854	}
855	if (!matched)
856	return true;
857	}
858	return false;
859	}
860
861	private static readonly object ContentAddedEvent = new object();
862	[LocalizedCategory("Category_DockingNotification")]
863	[LocalizedDescription("DockPanel_ContentAdded_Description")]
864	public event EventHandler<DockContentEventArgs> ContentAdded {
865	add { Events.AddHandler(ContentAddedEvent, value); }
866	remove { Events.RemoveHandler(ContentAddedEvent, value); }
867	}
868	protected virtual void OnContentAdded(DockContentEventArgs e) {
869	EventHandler<DockContentEventArgs> handler = (EventHandler<DockContentEventArgs>)Events[ContentAddedEvent];
870	if (handler != null)
871	handler(this, e);
872	}
873
874	private static readonly object ContentRemovedEvent = new object();
875	[LocalizedCategory("Category_DockingNotification")]
876	[LocalizedDescription("DockPanel_ContentRemoved_Description")]
877	public event EventHandler<DockContentEventArgs> ContentRemoved {
878	add { Events.AddHandler(ContentRemovedEvent, value); }
879	remove { Events.RemoveHandler(ContentRemovedEvent, value); }
880	}
881	protected virtual void OnContentRemoved(DockContentEventArgs e) {
882	EventHandler<DockContentEventArgs> handler = (EventHandler<DockContentEventArgs>)Events[ContentRemovedEvent];
883	if (handler != null)
884	handler(this, e);
885	}
886	}
887	}

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