mcs/class/Managed.Windows.Forms/System.Windows.Forms/ToolBar.cs

   1 // System.Windows.Forms.ToolBar.cs
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining
   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 // Author:
  23 //      Ravindra (rkumar@novell.com)
  24 //      Mike Kestner <mkestner@novell.com>
  25 //
  26 // TODO:
  27 //   - Tooltip
  28 //
  29 // Copyright (C) 2004-2006  Novell, Inc. (http://www.novell.com)
  30 //
  31
  32
  33 // NOT COMPLETE
  34
  35 using System.Collections;
  36 using System.ComponentModel;
  37 using System.ComponentModel.Design;
  38 using System.Drawing;
  39 using System.Drawing.Imaging;
  40 using System.Runtime.InteropServices;
  41
  42 namespace System.Windows.Forms
  43 {
  44         [DefaultEvent ("ButtonClick")]
  45         [DefaultProperty ("Buttons")]
  46         [Designer ("System.Windows.Forms.Design.ToolBarDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  47         public class ToolBar : Control
  48         {
  49                 #region Instance Variables
  50                 bool size_specified = false;
  51                 ToolBarButton current_button;
  52                 #endregion Instance Variables
  53
  54                 #region Events
  55                 [Browsable (false)]
  56                 [EditorBrowsable (EditorBrowsableState.Never)]
  57                 public new event EventHandler BackColorChanged {
  58                         add { base.BackColorChanged += value; }
  59                         remove { base.BackColorChanged -= value; }
  60                 }
  61
  62                 [Browsable (false)]
  63                 [EditorBrowsable (EditorBrowsableState.Never)]
  64                 public new event EventHandler BackgroundImageChanged {
  65                         add { base.BackgroundImageChanged += value; }
  66                         remove { base.BackgroundImageChanged -= value; }
  67                 }
  68
  69                 public event ToolBarButtonClickEventHandler ButtonClick;
  70                 public event ToolBarButtonClickEventHandler ButtonDropDown;
  71
  72                 [Browsable (false)]
  73                 [EditorBrowsable (EditorBrowsableState.Never)]
  74                 public new event EventHandler ForeColorChanged {
  75                         add { base.ForeColorChanged += value; }
  76                         remove { base.ForeColorChanged -= value; }
  77                 }
  78
  79                 [Browsable (false)]
  80                 [EditorBrowsable (EditorBrowsableState.Never)]
  81                 public new event EventHandler ImeModeChanged {
  82                         add { base.ImeModeChanged += value; }
  83                         remove { base.ImeModeChanged -= value; }
  84                 }
  85
  86                 [Browsable (false)]
  87                 [EditorBrowsable (EditorBrowsableState.Never)]
  88                 public new event PaintEventHandler Paint {
  89                         add { base.Paint += value; }
  90                         remove { base.Paint -= value; }
  91                 }
  92
  93                 [Browsable (false)]
  94                 [EditorBrowsable (EditorBrowsableState.Never)]
  95                 public new event EventHandler RightToLeftChanged {
  96                         add { base.RightToLeftChanged += value; }
  97                         remove { base.RightToLeftChanged -= value; }
  98                 }
  99
 100                 [Browsable (false)]
 101                 [EditorBrowsable (EditorBrowsableState.Never)]
 102                 public new event EventHandler TextChanged {
 103                         add { base.TextChanged += value; }
 104                         remove { base.TextChanged -= value; }
 105                 }
 106                 #endregion Events
 107
 108                 #region Constructor
 109                 public ToolBar ()
 110                 {
 111                         background_color = ThemeEngine.Current.DefaultControlBackColor;
 112                         foreground_color = ThemeEngine.Current.DefaultControlForeColor;
 113                         buttons = new ToolBarButtonCollection (this);
 114                         dock_style = DockStyle.Top;
 115
 116                         MouseDown += new MouseEventHandler (ToolBar_MouseDown);
 117                         MouseLeave += new EventHandler (ToolBar_MouseLeave);
 118                         MouseMove += new MouseEventHandler (ToolBar_MouseMove);
 119                         MouseUp += new MouseEventHandler (ToolBar_MouseUp);
 120
 121                         SetStyle (ControlStyles.UserPaint, false);
 122                         SetStyle (ControlStyles.FixedHeight, true);
 123                 }
 124                 #endregion Constructor
 125
 126                 #region protected Properties
 127                 protected override CreateParams CreateParams
 128                 {
 129                         get { return base.CreateParams; }
 130                 }
 131
 132                 protected override ImeMode DefaultImeMode {
 133                         get { return ImeMode.Disable; }
 134                 }
 135
 136                 protected override Size DefaultSize {
 137                         get { return ThemeEngine.Current.ToolBarDefaultSize; }
 138                 }
 139                 #endregion
 140
 141                 ToolBarAppearance appearance = ToolBarAppearance.Normal;
 142
 143                 #region Public Properties
 144                 [DefaultValue (ToolBarAppearance.Normal)]
 145                 [Localizable (true)]
 146                 public ToolBarAppearance Appearance {
 147                         get { return appearance; }
 148                         set {
 149                                 if (value == appearance)
 150                                         return;
 151
 152                                 appearance = value;
 153                                 Redraw (false);
 154                         }
 155                 }
 156
 157                 bool autosize = true;
 158
 159                 [DefaultValue (true)]
 160                 [Localizable (true)]
 161                 public bool AutoSize {
 162                         get { return autosize; }
 163                         set {
 164                                 if (value == autosize)
 165                                         return;
 166
 167                                 autosize = value;
 168                                 Redraw (true);
 169                         }
 170                 }
 171
 172                 [Browsable (false)]
 173                 [EditorBrowsable (EditorBrowsableState.Never)]
 174                 public override Color BackColor {
 175                         get { return background_color; }
 176                         set {
 177                                 if (value == background_color)
 178                                         return;
 179
 180                                 background_color = value;
 181                                 OnBackColorChanged (EventArgs.Empty);
 182                                 Redraw (false);
 183                         }
 184                 }
 185
 186                 [Browsable (false)]
 187                 [EditorBrowsable (EditorBrowsableState.Never)]
 188                 public override Image BackgroundImage {
 189                         get { return background_image; }
 190                         set {
 191                                 if (value == background_image)
 192                                         return;
 193
 194                                 background_image = value;
 195                                 OnBackgroundImageChanged (EventArgs.Empty);
 196                                 Redraw (false);
 197                         }
 198                 }
 199
 200                 [DefaultValue (BorderStyle.None)]
 201                 [DispIdAttribute (-504)]
 202                 public BorderStyle BorderStyle {
 203                         get { return InternalBorderStyle; }
 204                         set { InternalBorderStyle = value; }
 205                 }
 206
 207                 ToolBarButtonCollection buttons;
 208
 209                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 210                 [Localizable (true)]
 211                 [MergableProperty (false)]
 212                 public ToolBarButtonCollection Buttons {
 213                         get { return buttons; }
 214                 }
 215
 216                 Size button_size;
 217
 218                 [Localizable (true)]
 219                 [RefreshProperties (RefreshProperties.All)]
 220                 public Size ButtonSize {
 221                         get {
 222                                 if (button_size.IsEmpty) {
 223                                         if (buttons.Count == 0)
 224                                                 return new Size (24, 22);
 225                                         Size result = CalcButtonSize ();
 226                                         if (result.IsEmpty)
 227                                                 return new Size (24, 22);
 228                                         else
 229                                                 return result;
 230                                 }
 231                                 return button_size;
 232                         }
 233                         set {
 234                                 size_specified = true;
 235                                 if (button_size == value)
 236                                         return;
 237
 238                                 button_size = value;
 239                                 Redraw (true);
 240                         }
 241                 }
 242
 243                 bool divider = true;
 244
 245                 [DefaultValue (true)]
 246                 public bool Divider {
 247                         get { return divider; }
 248                         set {
 249                                 if (value == divider)
 250                                         return;
 251
 252                                 divider = value;
 253                                 Redraw (false);
 254                         }
 255                 }
 256
 257                 [DefaultValue (DockStyle.Top)]
 258                 [Localizable (true)]
 259                 public override DockStyle Dock {
 260                         get { return base.Dock; }
 261                         set { base.Dock = value; }
 262                 }
 263
 264                 bool drop_down_arrows = false;
 265
 266                 [DefaultValue (false)]
 267                 [Localizable (true)]
 268                 public bool DropDownArrows {
 269                         get { return drop_down_arrows; }
 270                         set {
 271                                 if (value == drop_down_arrows)
 272                                         return;
 273
 274                                 drop_down_arrows = value;
 275                                 Redraw (true);
 276                         }
 277                 }
 278
 279                 [Browsable (false)]
 280                 [EditorBrowsable (EditorBrowsableState.Never)]
 281                 public override Color ForeColor {
 282                         get { return foreground_color; }
 283                         set {
 284                                 if (value == foreground_color)
 285                                         return;
 286
 287                                 foreground_color = value;
 288                                 OnForeColorChanged (EventArgs.Empty);
 289                                 Redraw (false);
 290                         }
 291                 }
 292
 293                 ImageList image_list;
 294
 295                 [DefaultValue (null)]
 296                 public ImageList ImageList {
 297                         get { return image_list; }
 298                         set { image_list = value; }
 299                 }
 300
 301                 [Browsable (false)]
 302                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 303                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 304                 public Size ImageSize {
 305                         get {
 306                                 if (ImageList == null)
 307                                         return Size.Empty;
 308
 309                                 return ImageList.ImageSize;
 310                         }
 311                 }
 312
 313                 ImeMode ime_mode;
 314
 315                 [Browsable (false)]
 316                 [EditorBrowsable (EditorBrowsableState.Never)]
 317                 public new ImeMode ImeMode {
 318                         get { return ime_mode; }
 319                         set {
 320                                 if (value == ime_mode)
 321                                         return;
 322
 323                                 ime_mode = value;
 324                                 OnImeModeChanged (EventArgs.Empty);
 325                         }
 326                 }
 327
 328                 [Browsable (false)]
 329                 [EditorBrowsable (EditorBrowsableState.Never)]
 330                 public override RightToLeft RightToLeft {
 331                         get { return base.RightToLeft; }
 332                         set {
 333                                 if (value == base.RightToLeft)
 334                                         return;
 335
 336                                 base.RightToLeft = value;
 337                                 OnRightToLeftChanged (EventArgs.Empty);
 338                         }
 339                 }
 340
 341                 bool show_tooltips = false;
 342
 343                 [DefaultValue (false)]
 344                 [Localizable (true)]
 345                 public bool ShowToolTips {
 346                         get { return show_tooltips; }
 347                         set { show_tooltips = value; }
 348                 }
 349
 350                 [DefaultValue (false)]
 351                 public new bool TabStop {
 352                         get { return base.TabStop; }
 353                         set { base.TabStop = value; }
 354                 }
 355
 356                 [Bindable (false)]
 357                 [Browsable (false)]
 358                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 359                 [EditorBrowsable (EditorBrowsableState.Never)]
 360                 public override string Text {
 361                         get { return text; }
 362                         set {
 363                                 if (value == text)
 364                                         return;
 365
 366                                 text = value;
 367                                 Redraw (true);
 368                                 OnTextChanged (EventArgs.Empty);
 369                         }
 370                 }
 371
 372                 ToolBarTextAlign text_alignment = ToolBarTextAlign.Underneath;
 373
 374                 [DefaultValue (ToolBarTextAlign.Underneath)]
 375                 [Localizable (true)]
 376                 public ToolBarTextAlign TextAlign {
 377                         get { return text_alignment; }
 378                         set {
 379                                 if (value == text_alignment)
 380                                         return;
 381
 382                                 text_alignment = value;
 383                                 Redraw (true);
 384                         }
 385                 }
 386
 387                 bool wrappable = true;
 388
 389                 [DefaultValue (true)]
 390                 [Localizable (true)]
 391                 public bool Wrappable {
 392                         get { return wrappable; }
 393                         set {
 394                                 if (value == wrappable)
 395                                         return;
 396
 397                                 wrappable = value;
 398                                 Redraw (true);
 399                         }
 400                 }
 401                 #endregion Public Properties
 402
 403                 #region Public Methods
 404                 public override string ToString ()
 405                 {
 406                         int count = this.Buttons.Count;
 407
 408                         if (count == 0)
 409                                 return string.Format ("System.Windows.Forms.ToolBar, Button.Count: 0");
 410                         else
 411                                 return string.Format ("System.Windows.Forms.ToolBar, Button.Count: {0}, Buttons[0]: {1}",
 412                                                       count, this.Buttons [0].ToString ());
 413                 }
 414                 #endregion Public Methods
 415
 416                 #region Protected Methods
 417                 protected override void CreateHandle ()
 418                 {
 419                         base.CreateHandle ();
 420                 }
 421
 422                 protected override void Dispose (bool disposing)
 423                 {
 424                         if (disposing)
 425                                 ImageList = null;
 426
 427                         base.Dispose (disposing);
 428                 }
 429
 430                 protected virtual void OnButtonClick (ToolBarButtonClickEventArgs e)
 431                 {
 432                         if (e.Button.Style == ToolBarButtonStyle.ToggleButton) {
 433                                 if (! e.Button.Pushed)
 434                                         e.Button.Pushed = true;
 435                                 else
 436                                         e.Button.Pushed = false;
 437                         }
 438                         e.Button.pressed = false;
 439
 440                         Invalidate (e.Button.Rectangle);
 441                         Redraw (false);
 442
 443                         if (ButtonClick != null)
 444                                 ButtonClick (this, e);
 445                 }
 446
 447                 protected virtual void OnButtonDropDown (ToolBarButtonClickEventArgs e)
 448                 {
 449                         if (ButtonDropDown != null)
 450                                 ButtonDropDown (this, e);
 451
 452                         if (e.Button.DropDownMenu == null)
 453                                 return;
 454
 455                         Point loc = new Point (e.Button.Rectangle.X + 1, e.Button.Rectangle.Bottom + 1);
 456                         ((ContextMenu) e.Button.DropDownMenu).Show (this, loc);
 457
 458                         e.Button.dd_pressed = false;
 459                         Invalidate (e.Button.Rectangle);
 460                 }
 461
 462                 protected override void OnFontChanged (EventArgs e)
 463                 {
 464                         base.OnFontChanged (e);
 465                         Redraw (true);
 466                 }
 467
 468                 protected override void OnHandleCreated (EventArgs e)
 469                 {
 470                         base.OnHandleCreated (e);
 471                 }
 472
 473                 protected override void OnResize (EventArgs e)
 474                 {
 475                         base.OnResize (e);
 476
 477                         if (Width <= 0 || Height <= 0 || !Visible)
 478                                 return;
 479
 480                         Redraw (true);
 481                 }
 482
 483                 protected override void SetBoundsCore (int x, int y, int width, int height, BoundsSpecified specified)
 484                 {
 485                         base.SetBoundsCore (x, y, width, height, specified);
 486                 }
 487
 488                 protected override void WndProc (ref Message m)
 489                 {
 490                         base.WndProc (ref m);
 491                 }
 492
 493                 #endregion Protected Methods
 494
 495                 #region Private Methods
 496                 private void ToolBar_MouseDown (object sender, MouseEventArgs me)
 497                 {
 498                         if (!Enabled)
 499                                 return;
 500
 501                         Point loc = new Point (me.X, me.Y);
 502
 503                         // draw the pushed button
 504                         foreach (ToolBarButton button in buttons) {
 505                                 if (button.Enabled && button.Rectangle.Contains (loc)) {
 506                                         // Mark the DropDown rect as pressed.
 507                                         // We don't redraw the dropdown rect.
 508                                         if (button.Style == ToolBarButtonStyle.DropDownButton) {
 509                                                 Rectangle rect = button.Rectangle;
 510                                                 rect.Width = ThemeEngine.Current.ToolBarDropDownWidth;
 511                                                 rect.X = button.Rectangle.Right - rect.Width;
 512                                                 if (rect.Contains (loc)) {
 513                                                         if (button.DropDownMenu != null) {
 514                                                                 button.dd_pressed = true;
 515                                                                 Invalidate (rect);
 516                                                         }
 517                                                         break;
 518                                                 }
 519                                         }
 520                                         button.pressed = true;
 521                                         button.inside = true;
 522                                         Invalidate (button.Rectangle);
 523                                         break;
 524                                 }
 525                         }
 526                 }
 527
 528                 private void ToolBar_MouseUp (object sender, MouseEventArgs me)
 529                 {
 530                         if (!Enabled)
 531                                 return;
 532
 533                         Point loc = new Point (me.X, me.Y);
 534
 535                         // draw the normal button
 536                         // Make a copy in case the list is modified during enumeration
 537                         ArrayList buttons = new ArrayList (this.buttons);
 538                         foreach (ToolBarButton button in buttons) {
 539                                 if (button.Enabled && button.Rectangle.Contains (loc)) {
 540                                         if (button.Style == ToolBarButtonStyle.DropDownButton) {
 541                                                 Rectangle ddRect = button.Rectangle;
 542                                                 ddRect.Width = ThemeEngine.Current.ToolBarDropDownWidth;
 543                                                 ddRect.X = button.Rectangle.Right - ddRect.Width;
 544                                                 if (ddRect.Contains (loc)) {
 545                                                         if (button.dd_pressed)
 546                                                                 OnButtonDropDown (new ToolBarButtonClickEventArgs (button));
 547                                                         continue;
 548                                                 }
 549                                         }
 550                                         // Fire a ButtonClick
 551                                         if (button.pressed)
 552                                                 OnButtonClick (new ToolBarButtonClickEventArgs (button));
 553                                 } else if (button.pressed) {
 554                                         button.pressed = false;
 555                                         Invalidate (button.Rectangle);
 556                                 }
 557                         }
 558                 }
 559
 560                 private void ToolBar_MouseLeave (object sender, EventArgs e)
 561                 {
 562                         if (!Enabled || appearance != ToolBarAppearance.Flat || current_button == null)
 563                                 return;
 564
 565                         if (current_button.Hilight) {
 566                                 current_button.Hilight = false;
 567                                 Invalidate (current_button.Rectangle);
 568                                 Redraw (false);
 569                         }
 570                         current_button = null;
 571                 }
 572
 573                 private void ToolBar_MouseMove (object sender, MouseEventArgs me)
 574                 {
 575                         if (!Enabled)
 576                                 return;
 577
 578                         Point loc = new Point (me.X, me.Y);
 579
 580                         if (this.Capture) {
 581                                 // If the button was pressed and we leave, release the
 582                                 // button press and vice versa
 583                                 foreach (ToolBarButton button in buttons) {
 584                                         if (button.pressed &&
 585                                             (button.inside != button.Rectangle.Contains (loc))) {
 586                                                 button.inside = button.Rectangle.Contains (loc);
 587                                                 button.Hilight = false;
 588                                                 Invalidate (button.Rectangle);
 589                                                 Redraw (false);
 590                                                 break;
 591                                         }
 592                                 }
 593                         }
 594                         // following is only for flat style toolbar
 595                         else if (appearance == ToolBarAppearance.Flat) {
 596                                 if (current_button != null && current_button.Rectangle.Contains (loc)) {
 597                                         if (current_button.Hilight || current_button.Pushed)
 598                                                 return;
 599                                         current_button.Hilight = true;
 600                                         Invalidate (current_button.Rectangle);
 601                                         Redraw (false);
 602                                 }
 603                                 else {
 604                                         foreach (ToolBarButton button in buttons) {
 605                                                 if (button.Rectangle.Contains (loc) && button.Enabled) {
 606                                                         current_button = button;
 607                                                         if (current_button.Hilight || current_button.Pushed)
 608                                                                 continue;
 609                                                         current_button.Hilight = true;
 610                                                         Invalidate (current_button.Rectangle);
 611                                                         Redraw (false);
 612                                                 }
 613                                                 else if (button.Hilight) {
 614                                                         button.Hilight = false;
 615                                                         Invalidate (button.Rectangle);
 616                                                         Redraw (false);
 617                                                 }
 618                                         }
 619                                 }
 620                         }
 621                 }
 622
 623                 internal override void OnPaintInternal (PaintEventArgs pevent)
 624                 {
 625                         ThemeEngine.Current.DrawToolBar (pevent.Graphics, pevent.ClipRectangle, this);
 626                 }
 627
 628                 internal void Redraw (bool recalculate)
 629                 {
 630                         if (recalculate)
 631                                 Layout ();
 632
 633                         Refresh ();
 634                 }
 635
 636                 const int text_padding = 3;
 637
 638                 private Size CalcButtonSize ()
 639                 {
 640                         string longest_text = buttons [0].Text;
 641                         for (int i = 1; i < buttons.Count; i++) {
 642                                 if (buttons[i].Text.Length > longest_text.Length)
 643                                         longest_text = buttons[i].Text;
 644                         }
 645
 646                         Size size = Size.Empty;
 647                         if (longest_text != null && longest_text.Length > 0) {
 648                                 SizeF sz = this.DeviceContext.MeasureString (longest_text, this.Font);
 649                                 size = new Size ((int) Math.Ceiling (sz.Width) + 2 * text_padding, (int) Math.Ceiling (sz.Height));
 650                         }
 651
 652                         if (ImageList != null) {
 653                                 // adjustment for the image grip
 654                                 int imgWidth = this.ImageSize.Width + 2 * ThemeEngine.Current.ToolBarImageGripWidth;
 655                                 int imgHeight = this.ImageSize.Height + 2 * ThemeEngine.Current.ToolBarImageGripWidth;
 656
 657                                 if (text_alignment == ToolBarTextAlign.Right) {
 658                                         size.Width = imgWidth + size.Width;
 659                                         size.Height = (size.Height > imgHeight) ? size.Height : imgHeight;
 660                                 }
 661                                 else {
 662                                         size.Height = imgHeight + size.Height;
 663                                         size.Width = (size.Width > imgWidth) ? size.Width : imgWidth;
 664                                 }
 665                         }
 666                         return size;
 667                 }
 668
 669                 void Layout ()
 670                 {
 671                         Theme theme = ThemeEngine.Current;
 672                         int ht = ButtonSize.Height + theme.ToolBarGripWidth;
 673                         int x = theme.ToolBarGripWidth;
 674                         int y = theme.ToolBarGripWidth;
 675
 676                         if (Wrappable) {
 677                                 int separator_index = -1;
 678
 679                                 for (int i = 0; i < buttons.Count; i++) {
 680                                         ToolBarButton button = buttons [i];
 681
 682                                         if (!button.Visible)
 683                                                 continue;
 684
 685                                         if (size_specified)
 686                                                 button.Layout (ButtonSize);
 687                                         else
 688                                                 button.Layout ();
 689
 690                                         bool is_separator = button.Style == ToolBarButtonStyle.Separator;
 691
 692                                         if (x + button.Rectangle.Width < Width || is_separator) {
 693                                                 button.Location = new Point (x, y);
 694                                                 x += button.Rectangle.Width;
 695                                                 if (is_separator)
 696                                                         separator_index = i;
 697                                         } else if (separator_index > 0) {
 698                                                 i = separator_index;
 699                                                 separator_index = -1;
 700                                                 x = theme.ToolBarGripWidth;
 701                                                 y += ht;
 702                                         } else {
 703                                                 x = theme.ToolBarGripWidth;
 704                                                 y += ht;
 705                                                 button.Location = new Point (x, y);
 706                                                 x += button.Rectangle.Width;
 707                                         }
 708                                 }
 709                                 if (AutoSize)
 710                                         Height = y + ht;
 711                         } else {
 712                                 if (AutoSize)
 713                                         Height = ht;
 714                                 else
 715                                         Height = DefaultSize.Height;
 716                                 foreach (ToolBarButton button in buttons) {
 717                                         if (size_specified)
 718                                                 button.Layout (ButtonSize);
 719                                         else
 720                                                 button.Layout ();
 721                                         button.Location = new Point (x, y);
 722                                         x += button.Rectangle.Width;
 723                                 }
 724                         }
 725                 }
 726                 #endregion Private Methods
 727
 728                 #region subclass
 729                 public class ToolBarButtonCollection : IList, ICollection, IEnumerable
 730                 {
 731                         #region instance variables
 732                         private ArrayList list;
 733                         private ToolBar owner;
 734                         #endregion
 735
 736                         #region constructors
 737                         public ToolBarButtonCollection (ToolBar owner)
 738                         {
 739                                 this.owner = owner;
 740                                 list = new ArrayList ();
 741                         }
 742                         #endregion
 743
 744                         #region properties
 745                         [Browsable (false)]
 746                         public int Count {
 747                                 get { return list.Count; }
 748                         }
 749
 750                         public bool IsReadOnly {
 751                                 get { return list.IsReadOnly; }
 752                         }
 753
 754                         public virtual ToolBarButton this [int index] {
 755                                 get { return (ToolBarButton) list [index]; }
 756                                 set {
 757                                         value.SetParent (owner);
 758                                         list [index] = value;
 759                                         owner.Redraw (true);
 760                                 }
 761                         }
 762
 763                         bool ICollection.IsSynchronized {
 764                                 get { return list.IsSynchronized; }
 765                         }
 766
 767                         object ICollection.SyncRoot {
 768                                 get { return list.SyncRoot; }
 769                         }
 770
 771                         bool IList.IsFixedSize {
 772                                 get { return list.IsFixedSize; }
 773                         }
 774
 775                         object IList.this [int index] {
 776                                 get { return this [index]; }
 777                                 set {
 778                                         if (! (value is ToolBarButton))
 779                                                 throw new ArgumentException("Not of type ToolBarButton", "value");
 780                                         this [index] = (ToolBarButton) value;
 781                                 }
 782                         }
 783                         #endregion
 784
 785                         #region methods
 786                         public int Add (string text)
 787                         {
 788                                 ToolBarButton button = new ToolBarButton (text);
 789                                 return this.Add (button);
 790                         }
 791
 792                         public int Add (ToolBarButton button)
 793                         {
 794                                 int result;
 795                                 button.SetParent (owner);
 796                                 result = list.Add (button);
 797                                 owner.Redraw (true);
 798                                 return result;
 799                         }
 800
 801                         public void AddRange (ToolBarButton [] buttons)
 802                         {
 803                                 foreach (ToolBarButton button in buttons)
 804                                         Add (button);
 805                         }
 806
 807                         public void Clear ()
 808                         {
 809                                 list.Clear ();
 810                                 owner.Redraw (false);
 811                         }
 812
 813                         public bool Contains (ToolBarButton button)
 814                         {
 815                                 return list.Contains (button);
 816                         }
 817
 818                         public IEnumerator GetEnumerator ()
 819                         {
 820                                 return list.GetEnumerator ();
 821                         }
 822
 823                         void ICollection.CopyTo (Array dest, int index)
 824                         {
 825                                 list.CopyTo (dest, index);
 826                         }
 827
 828                         int IList.Add (object button)
 829                         {
 830                                 if (! (button is ToolBarButton)) {
 831                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 832                                 }
 833
 834                                 return this.Add ((ToolBarButton) button);
 835                         }
 836
 837                         bool IList.Contains (object button)
 838                         {
 839                                 if (! (button is ToolBarButton)) {
 840                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 841                                 }
 842
 843                                 return this.Contains ((ToolBarButton) button);
 844                         }
 845
 846                         int IList.IndexOf (object button)
 847                         {
 848                                 if (! (button is ToolBarButton)) {
 849                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 850                                 }
 851
 852                                 return this.IndexOf ((ToolBarButton) button);
 853                         }
 854
 855                         void IList.Insert (int index, object button)
 856                         {
 857                                 if (! (button is ToolBarButton)) {
 858                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 859                                 }
 860
 861                                 this.Insert (index, (ToolBarButton) button);
 862                         }
 863
 864                         void IList.Remove (object button)
 865                         {
 866                                 if (! (button is ToolBarButton)) {
 867                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 868                                 }
 869
 870                                 this.Remove ((ToolBarButton) button);
 871                         }
 872
 873                         public int IndexOf (ToolBarButton button)
 874                         {
 875                                 return list.IndexOf (button);
 876                         }
 877
 878                         public void Insert (int index, ToolBarButton button)
 879                         {
 880                                 list.Insert (index, button);
 881                                 owner.Redraw (true);
 882                         }
 883
 884                         public void Remove (ToolBarButton button)
 885                         {
 886                                 list.Remove (button);
 887                                 owner.Redraw (true);
 888                         }
 889
 890                         public void RemoveAt (int index)
 891                         {
 892                                 list.RemoveAt (index);
 893                                 owner.Redraw (true);
 894                         }
 895                         #endregion methods
 896                 }
 897                 #endregion subclass
 898         }
 899 }