src/generic/tabg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tabg.cpp
   3 // Purpose:     Generic tabbed dialogs
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "tabg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <stdarg.h>
  30 #include <math.h>
  31
  32 #include "wx/tab.h"
  33
  34 // not defined: use old, square tab implementation (fills in tabs)
  35 // defined: use new, rounded tab implementation (doesn't colour in tabs)
  36 // #define wxUSE_NEW_METHOD
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxTabControl, wxObject)
  39
  40 IMPLEMENT_DYNAMIC_CLASS(wxTabLayer, wxList)
  41
  42 wxTabControl::wxTabControl(wxTabView *v)
  43 {
  44   m_view = v;
  45   m_isSelected = FALSE;
  46   m_offsetX = 0;
  47   m_offsetY = 0;
  48   m_width = 0;
  49   m_height = 0;
  50   m_id = 0;
  51   m_rowPosition = 0;
  52   m_colPosition = 0;
  53 }
  54
  55 wxTabControl::~wxTabControl(void)
  56 {
  57 }
  58
  59 void wxTabControl::OnDraw(wxDC& dc, bool lastInRow)
  60 {
  61     // Old, but in some ways better (drawing opaque tabs)
  62 #ifndef wxUSE_NEW_METHOD
  63   if (!m_view)
  64     return;
  65
  66   // Top-left of tab view area
  67   int viewX = m_view->GetViewRect().x;
  68   int viewY = m_view->GetViewRect().y;
  69
  70   // Top-left of tab control
  71   int tabX = GetX() + viewX;
  72   int tabY = GetY() + viewY;
  73   int tabHeightInc = 0;
  74   if (m_isSelected)
  75   {
  76     tabHeightInc = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
  77     tabY -= tabHeightInc;
  78   }
  79
  80   dc.SetPen(*wxTRANSPARENT_PEN);
  81
  82   // Draw grey background
  83   if (m_view->GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
  84   {
  85     dc.SetBrush(*m_view->GetBackgroundBrush());
  86
  87     // Add 1 because the pen is transparent. Under Motif, may be different.
  88 #ifdef __WXMOTIF__
  89     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + tabHeightInc));
  90 #else
  91     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + 1 + tabHeightInc));
  92 #endif
  93   }
  94
  95   // Draw highlight and shadow
  96   dc.SetPen(*m_view->GetHighlightPen());
  97
  98   // Calculate the top of the tab beneath. It's the height of the tab, MINUS
  99   // a bit if the tab below happens to be selected. Check.
 100   wxTabControl *tabBeneath = NULL;
 101   int subtractThis = 0;
 102   if (GetColPosition() > 0)
 103     tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition());
 104   if (tabBeneath && tabBeneath->IsSelected())
 105     subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 106
 107   // Vertical highlight: if first tab, draw to bottom of view
 108   if (tabX == m_view->GetViewRect().x && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 109     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y + m_view->GetViewRect().height));
 110   else if (tabX == m_view->GetViewRect().x)
 111     // Not box drawing, just to top of view.
 112     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y));
 113   else
 114     dc.DrawLine(tabX, tabY, tabX, (tabY + GetHeight() + tabHeightInc - subtractThis));
 115
 116   dc.DrawLine(tabX, tabY, (tabX + GetWidth()), tabY);
 117   dc.SetPen(*m_view->GetShadowPen());
 118
 119   // Test if we're outside the right-hand edge of the view area
 120   if (((tabX + GetWidth()) >= m_view->GetViewRect().x + m_view->GetViewRect().width) && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 121   {
 122     int bottomY = m_view->GetViewRect().y + m_view->GetViewRect().height + GetY() + m_view->GetTabHeight() + m_view->GetTopMargin();
 123     // Add a tab height since we wish to draw to the bottom of the view.
 124     dc.DrawLine((tabX + GetWidth()), tabY,
 125       (tabX + GetWidth()), bottomY);
 126
 127     // Calculate the far-right of the view, since we don't wish to
 128     // draw inside that
 129     int rightOfView = m_view->GetViewRect().x + m_view->GetViewRect().width + 1;
 130
 131     // Draw the horizontal bit to connect to the view rectangle
 132     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY-1),
 133       (tabX + GetWidth()), (bottomY-1));
 134
 135     // Draw black line to emphasize shadow
 136     dc.SetPen(*wxBLACK_PEN);
 137     dc.DrawLine((tabX + GetWidth() + 1), (tabY+1),
 138       (tabX + GetWidth() + 1), bottomY);
 139
 140     // Draw the horizontal bit to connect to the view rectangle
 141     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY),
 142       (tabX + GetWidth() + 1), (bottomY));
 143   }
 144   else
 145   {
 146     if (lastInRow)
 147     {
 148       // 25/5/97 UNLESS it's less than the max number of positions in this row
 149
 150       int topY = m_view->GetViewRect().y - m_view->GetTopMargin();
 151
 152       int maxPositions = ((wxTabLayer *)m_view->GetLayers().Nth(0)->Data())->Number();
 153
 154       // Only down to the bottom of the tab, not to the top of the view
 155       if ( GetRowPosition() < (maxPositions - 1) )
 156         topY = tabY + GetHeight() + tabHeightInc;
 157
 158 #ifdef __WXMOTIF__
 159       topY -= 1;
 160 #endif
 161
 162       // Shadow
 163       dc.DrawLine((tabX + GetWidth()), tabY, (tabX + GetWidth()), topY);
 164       // Draw black line to emphasize shadow
 165       dc.SetPen(*wxBLACK_PEN);
 166       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 167          topY);
 168     }
 169     else
 170     {
 171       // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 172       // a bit if the tab below (and next col along) happens to be selected. Check.
 173       wxTabControl *tabBeneath = NULL;
 174       int subtractThis = 0;
 175       if (GetColPosition() > 0)
 176         tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition() + 1);
 177       if (tabBeneath && tabBeneath->IsSelected())
 178         subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 179
 180 #ifdef __WXMOTIF__
 181       subtractThis += 1;
 182 #endif
 183
 184       // Draw only to next tab down.
 185       dc.DrawLine((tabX + GetWidth()), tabY,
 186          (tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc - subtractThis));
 187
 188       // Draw black line to emphasize shadow
 189       dc.SetPen(*wxBLACK_PEN);
 190       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 191          (tabY + GetHeight() + tabHeightInc - subtractThis));
 192     }
 193   }
 194
 195   // Draw centered text
 196   int textY = tabY + m_view->GetVerticalTabTextSpacing() + tabHeightInc;
 197
 198   if (m_isSelected)
 199     dc.SetFont(* m_view->GetSelectedTabFont());
 200   else
 201     dc.SetFont(* GetFont());
 202
 203   wxColour col(m_view->GetTextColour());
 204   dc.SetTextForeground(col);
 205   dc.SetBackgroundMode(wxTRANSPARENT);
 206   long textWidth, textHeight;
 207   dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 208
 209   int textX = (int)(tabX + (GetWidth() - textWidth)/2.0);
 210   dc.DrawText(GetLabel(), textX, textY);
 211
 212   if (m_isSelected)
 213   {
 214     dc.SetPen(*m_view->GetHighlightPen());
 215
 216     // Draw white highlight from the tab's left side to the left hand edge of the view
 217     dc.DrawLine(m_view->GetViewRect().x, (tabY + GetHeight() + tabHeightInc),
 218      tabX, (tabY + GetHeight() + tabHeightInc));
 219
 220     // Draw white highlight from the tab's right side to the right hand edge of the view
 221     dc.DrawLine((tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc),
 222      m_view->GetViewRect().x + m_view->GetViewRect().width, (tabY + GetHeight() + tabHeightInc));
 223   }
 224 #else
 225     // New HEL version with rounder tabs
 226
 227         if (!m_view) return;
 228
 229         int tabInc   = 0;
 230         if (m_isSelected)
 231         {
 232                 tabInc = m_view->GetTabSelectionHeight() - m_view->GetTabHeight();
 233         }
 234         int tabLeft  = GetX() + m_view->GetViewRect().x;
 235         int tabTop   = GetY() + m_view->GetViewRect().y - tabInc;
 236         int tabRight = tabLeft + m_view->GetTabWidth();
 237         int left     = m_view->GetViewRect().x;
 238         int top      = tabTop + m_view->GetTabHeight() + tabInc;
 239         int right    = left + m_view->GetViewRect().width;
 240         int bottom   = top + m_view->GetViewRect().height;
 241
 242         if (m_isSelected)
 243         {
 244                 // TAB is selected - draw TAB and the View's full outline
 245
 246                 dc.SetPen(*(m_view->GetHighlightPen()));
 247                 wxPoint pnts[10];
 248                 int n = 0;
 249                 pnts[n].x = left;                       pnts[n++].y = bottom;
 250                 pnts[n].x = left;                       pnts[n++].y = top;
 251                 pnts[n].x = tabLeft;            pnts[n++].y = top;
 252                 pnts[n].x = tabLeft;                    pnts[n++].y = tabTop + 2;
 253                 pnts[n].x = tabLeft + 2;                pnts[n++].y = tabTop;
 254                 pnts[n].x = tabRight - 1;       pnts[n++].y = tabTop;
 255                 dc.DrawLines(n, pnts);
 256                 if (!lastInRow)
 257                 {
 258                         dc.DrawLine(
 259                                         (tabRight + 2),
 260                                         top,
 261                                         right,
 262                                         top
 263                                         );
 264                 }
 265
 266                 dc.SetPen(*(m_view->GetShadowPen()));
 267                 dc.DrawLine(
 268                                 tabRight,
 269                                 tabTop + 2,
 270                                 tabRight,
 271                                 top
 272                                 );
 273                 dc.DrawLine(
 274                                 right,
 275                                 top,
 276                                 right,
 277                                 bottom
 278                                 );
 279                 dc.DrawLine(
 280                                 right,
 281                                 bottom,
 282                                 left,
 283                                 bottom
 284                                 );
 285
 286                 dc.SetPen(*wxBLACK_PEN);
 287                 dc.DrawPoint(
 288                                 tabRight,
 289                                 tabTop + 1
 290                                 );
 291                 dc.DrawPoint(
 292                                 tabRight + 1,
 293                                 tabTop + 2
 294                                 );
 295                 if (lastInRow)
 296                 {
 297                         dc.DrawLine(
 298                                 tabRight + 1,
 299                                 bottom,
 300                                 tabRight + 1,
 301                                 tabTop + 1
 302                                 );
 303                 }
 304                 else
 305                 {
 306                         dc.DrawLine(
 307                                 tabRight + 1,
 308                                 tabTop + 2,
 309                                 tabRight + 1,
 310                                 top
 311                                 );
 312                         dc.DrawLine(
 313                                 right + 1,
 314                                 top,
 315                                 right + 1,
 316                                 bottom + 1
 317                                 );
 318                 }
 319                 dc.DrawLine(
 320                                 right + 1,
 321                                 bottom + 1,
 322                                 left + 1,
 323                                 bottom + 1
 324                                 );
 325         }
 326         else
 327         {
 328                 // TAB is not selected - just draw TAB outline and RH edge
 329                 // if the TAB is the last in the row
 330
 331                 int maxPositions = ((wxTabLayer*)m_view->GetLayers().Nth(0)->Data())->Number();
 332                 wxTabControl* tabBelow = 0;
 333                 wxTabControl* tabBelowRight = 0;
 334                 if (GetColPosition() > 0)
 335                 {
 336                         tabBelow = m_view->FindTabControlForPosition(
 337                                                 GetColPosition() - 1,
 338                                                 GetRowPosition()
 339                                                 );
 340                 }
 341                 if (!lastInRow && GetColPosition() > 0)
 342                 {
 343                         tabBelowRight = m_view->FindTabControlForPosition(
 344                                                 GetColPosition() - 1,
 345                                                 GetRowPosition() + 1
 346                                                 );
 347                 }
 348
 349                 float raisedTop = top - m_view->GetTabSelectionHeight() +
 350                                                         m_view->GetTabHeight();
 351
 352                 dc.SetPen(*(m_view->GetHighlightPen()));
 353                 wxPoint pnts[10];
 354                 int n = 0;
 355
 356                 pnts[n].x = tabLeft;
 357
 358                 if (tabBelow && tabBelow->IsSelected())
 359                 {
 360                         pnts[n++].y = (long)raisedTop;
 361                 }
 362                 else
 363                 {
 364                         pnts[n++].y = top;
 365                 }
 366                 pnts[n].x = tabLeft;                    pnts[n++].y = tabTop + 2;
 367                 pnts[n].x = tabLeft + 2;                pnts[n++].y = tabTop;
 368                 pnts[n].x = tabRight - 1;       pnts[n++].y = tabTop;
 369                 dc.DrawLines(n, pnts);
 370
 371                 dc.SetPen(*(m_view->GetShadowPen()));
 372                 if (GetRowPosition() >= maxPositions - 1)
 373                 {
 374                         dc.DrawLine(
 375                                         tabRight,
 376                                         (tabTop + 2),
 377                                         tabRight,
 378                                         bottom
 379                                         );
 380                         dc.DrawLine(
 381                                         tabRight,
 382                                         bottom,
 383                                         (tabRight - m_view->GetHorizontalTabOffset()),
 384                                         bottom
 385                                         );
 386                 }
 387                 else
 388                 {
 389                         if (tabBelowRight && tabBelowRight->IsSelected())
 390                         {
 391                                 dc.DrawLine(
 392                                                 tabRight,
 393                                                 (long)raisedTop,
 394                                                 tabRight,
 395                                                 tabTop + 1
 396                                                 );
 397                         }
 398                         else
 399                         {
 400                                 dc.DrawLine(
 401                                                 tabRight,
 402                                                 top - 1,
 403                                                 tabRight,
 404                                                 tabTop + 1
 405                                                 );
 406                         }
 407                 }
 408
 409                 dc.SetPen(*wxBLACK_PEN);
 410                 dc.DrawPoint(
 411                                 tabRight,
 412                                 tabTop + 1
 413                                 );
 414                 dc.DrawPoint(
 415                                 tabRight + 1,
 416                                 tabTop + 2
 417                                 );
 418                 if (GetRowPosition() >= maxPositions - 1)
 419                 {
 420                         // draw right hand edge to bottom of view
 421                         dc.DrawLine(
 422                                         tabRight + 1,
 423                                         bottom + 1,
 424                                         tabRight + 1,
 425                                         tabTop + 2
 426                                         );
 427                         dc.DrawLine(
 428                                         tabRight + 1,
 429                                         bottom + 1,
 430                                         (tabRight - m_view->GetHorizontalTabOffset()),
 431                                         bottom + 1
 432                                         );
 433                 }
 434                 else
 435                 {
 436                         // draw right hand edge of TAB
 437                         if (tabBelowRight && tabBelowRight->IsSelected())
 438                         {
 439                                 dc.DrawLine(
 440                                                 tabRight + 1,
 441                                                 (long)(raisedTop - 1),
 442                                                 tabRight + 1,
 443                                                 tabTop + 2
 444                                                 );
 445                         }
 446                         else
 447                         {
 448                                 dc.DrawLine(
 449                                                 tabRight + 1,
 450                                                 top - 1,
 451                                                 tabRight + 1,
 452                                                 tabTop + 2
 453                                                 );
 454                         }
 455                 }
 456         }
 457
 458         // Draw centered text
 459         dc.SetPen(*wxBLACK_PEN);
 460         if (m_isSelected)
 461         {
 462                 dc.SetFont(*(m_view->GetSelectedTabFont()));
 463         }
 464         else
 465         {
 466                 dc.SetFont(*(GetFont()));
 467         }
 468
 469         wxColour col(m_view->GetTextColour());
 470         dc.SetTextForeground(col);
 471         dc.SetBackgroundMode(wxTRANSPARENT);
 472         long textWidth, textHeight;
 473         dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 474
 475         float textX = (tabLeft + tabRight - textWidth) / 2;
 476         float textY = (tabInc + tabTop + m_view->GetVerticalTabTextSpacing());
 477
 478         dc.DrawText(GetLabel(), (long)textX, (long)textY);
 479 #endif
 480 }
 481
 482 bool wxTabControl::HitTest(int x, int y) const
 483 {
 484   // Top-left of tab control
 485   int tabX1 = GetX() + m_view->GetViewRect().x;
 486   int tabY1 = GetY() + m_view->GetViewRect().y;
 487
 488   // Bottom-right
 489   int tabX2 = tabX1 + GetWidth();
 490   int tabY2 = tabY1 + GetHeight();
 491
 492   if (x >= tabX1 && y >= tabY1 && x <= tabX2 && y <= tabY2)
 493     return TRUE;
 494   else
 495     return FALSE;
 496 }
 497
 498 IMPLEMENT_DYNAMIC_CLASS(wxTabView, wxObject)
 499
 500 wxTabView::wxTabView(long style)
 501 {
 502   m_noTabs = 0;
 503   m_tabStyle = style;
 504   m_tabSelection = -1;
 505   m_tabHeight = 20;
 506   m_tabSelectionHeight = m_tabHeight + 2;
 507   m_tabWidth = 80;
 508   m_tabHorizontalOffset = 10;
 509   m_tabHorizontalSpacing = 2;
 510   m_tabVerticalTextSpacing = 3;
 511   m_topMargin = 5;
 512   m_tabViewRect.x = 20;
 513   m_tabViewRect.y = 20;
 514   m_tabViewRect.width = 300;
 515   m_tabViewRect.x = 300;
 516   m_highlightColour = *wxWHITE;
 517   m_shadowColour = wxColour(128, 128, 128);
 518   m_backgroundColour = *wxLIGHT_GREY;
 519   m_textColour = *wxBLACK;
 520   m_highlightPen = wxWHITE_PEN;
 521   m_shadowPen = wxGREY_PEN;
 522   m_backgroundPen = wxLIGHT_GREY_PEN;
 523   m_backgroundBrush = wxLIGHT_GREY_BRUSH;
 524   m_tabFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
 525   m_tabSelectedFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
 526   m_window = (wxWindow *) NULL;
 527 }
 528
 529 wxTabView::~wxTabView()
 530 {
 531   ClearTabs(TRUE);
 532 }
 533
 534 // Automatically positions tabs
 535 // TODO: this should just add the tab to a list, and then
 536 // a layout function (e.g. Realize) should be called when all tabs have been added.
 537 // The view rect could easily change as the view window is resized.
 538 wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
 539 {
 540   // First, find which layer we should be adding to.
 541   wxNode *node = m_layers.Last();
 542   if (!node)
 543   {
 544     wxTabLayer *newLayer = new wxTabLayer;
 545     node = m_layers.Append(newLayer);
 546   }
 547   // Check if adding another tab control would go off the
 548   // right-hand edge of the layer.
 549   wxTabLayer *tabLayer = (wxTabLayer *)node->Data();
 550   wxNode *lastTabNode = tabLayer->Last();
 551   if (lastTabNode)
 552   {
 553     wxTabControl *lastTab = (wxTabControl *)lastTabNode->Data();
 554     // Start another layer (row).
 555     // Tricky choice: can't just check if will be overlapping the edge, because
 556     // this happens anyway for 2nd and subsequent rows.
 557     // Should check this for 1st row, and then subsequent rows should not exceed 1st
 558     // in length.
 559     if (((tabLayer == m_layers.First()->Data()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 560               > GetViewRect().width)) ||
 561         ((tabLayer != m_layers.First()->Data()) && (tabLayer->Number() == ((wxTabLayer *)m_layers.First()->Data())->Number())))
 562     {
 563       tabLayer = new wxTabLayer;
 564       m_layers.Append(tabLayer);
 565       lastTabNode = (wxNode *) NULL;
 566     }
 567   }
 568   int layer = m_layers.Number() - 1;
 569
 570   wxTabControl *tabControl = existingTab;
 571   if (!existingTab)
 572     tabControl = OnCreateTabControl();
 573   tabControl->SetRowPosition(tabLayer->Number());
 574   tabControl->SetColPosition(layer);
 575
 576   wxTabControl *lastTab = (wxTabControl *) NULL;
 577   if (lastTabNode)
 578     lastTab = (wxTabControl *)lastTabNode->Data();
 579
 580   // Top of new tab
 581   int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 582   // Offset from view top-left
 583   int horizontalOffset = 0;
 584   if (!lastTab)
 585     horizontalOffset = layer*GetHorizontalTabOffset();
 586   else
 587     horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 588
 589   tabControl->SetPosition(horizontalOffset, verticalOffset);
 590   tabControl->SetSize(GetTabWidth(), GetTabHeight());
 591   tabControl->SetId(id);
 592   tabControl->SetLabel(label);
 593   tabControl->SetFont(* GetTabFont());
 594
 595   tabLayer->Append(tabControl);
 596   m_noTabs ++;
 597
 598   return tabControl;
 599 }
 600
 601 // Returns the total height of the tabs component -- this may be several
 602 // times the height of a tab, if there are several tab layers (rows).
 603 int wxTabView::GetTotalTabHeight()
 604 {
 605   int minY = 0;
 606
 607   wxNode *layerNode = m_layers.First();
 608   while (layerNode)
 609   {
 610     wxTabLayer *layer = (wxTabLayer *)layerNode->Data();
 611     wxNode *tabNode = layer->First();
 612     while (tabNode)
 613     {
 614       wxTabControl *tab = (wxTabControl *)tabNode->Data();
 615
 616       if (tab->GetY() < minY)
 617         minY = tab->GetY();
 618
 619       tabNode = tabNode->Next();
 620     }
 621     layerNode = layerNode->Next();
 622   }
 623
 624   return - minY;
 625 }
 626
 627 void wxTabView::ClearTabs(bool deleteTabs)
 628 {
 629   wxNode *layerNode = m_layers.First();
 630   while (layerNode)
 631   {
 632     wxTabLayer *layer = (wxTabLayer *)layerNode->Data();
 633     wxNode *tabNode = layer->First();
 634     while (tabNode)
 635     {
 636       wxTabControl *tab = (wxTabControl *)tabNode->Data();
 637       if (deleteTabs)
 638         delete tab;
 639       wxNode *next = tabNode->Next();
 640       delete tabNode;
 641       tabNode = next;
 642     }
 643     wxNode *nextLayerNode = layerNode->Next();
 644     delete layer;
 645     delete layerNode;
 646     layerNode = nextLayerNode;
 647   }
 648 }
 649
 650
 651 // Layout tabs (optional, e.g. if resizing window)
 652 void wxTabView::Layout(void)
 653 {
 654   // Make a list of the tab controls, deleting the wxTabLayers.
 655   wxList controls;
 656
 657   wxNode *layerNode = m_layers.First();
 658   while (layerNode)
 659   {
 660     wxTabLayer *layer = (wxTabLayer *)layerNode->Data();
 661     wxNode *tabNode = layer->First();
 662     while (tabNode)
 663     {
 664       wxTabControl *tab = (wxTabControl *)tabNode->Data();
 665       controls.Append(tab);
 666       wxNode *next = tabNode->Next();
 667       delete tabNode;
 668       tabNode = next;
 669     }
 670     wxNode *nextLayerNode = layerNode->Next();
 671     delete layer;
 672     delete layerNode;
 673     layerNode = nextLayerNode;
 674   }
 675
 676   wxTabControl *lastTab = (wxTabControl *) NULL;
 677
 678   wxTabLayer *currentLayer = new wxTabLayer;
 679   m_layers.Append(currentLayer);
 680
 681   wxNode *node = controls.First();
 682   while (node)
 683   {
 684     wxTabControl *tabControl = (wxTabControl *)node->Data();
 685     if (lastTab)
 686     {
 687       // Start another layer (row).
 688       // Tricky choice: can't just check if will be overlapping the edge, because
 689       // this happens anyway for 2nd and subsequent rows.
 690       // Should check this for 1st row, and then subsequent rows should not exceed 1st
 691       // in length.
 692       if (((currentLayer == m_layers.First()->Data()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 693                 > GetViewRect().width)) ||
 694           ((currentLayer != m_layers.First()->Data()) && (currentLayer->Number() == ((wxTabLayer *)m_layers.First()->Data())->Number())))
 695      {
 696        currentLayer = new wxTabLayer;
 697        m_layers.Append(currentLayer);
 698        lastTab = (wxTabControl *) NULL;
 699      }
 700     }
 701
 702     int layer = m_layers.Number() - 1;
 703
 704     tabControl->SetRowPosition(currentLayer->Number());
 705     tabControl->SetColPosition(layer);
 706
 707     // Top of new tab
 708     int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 709     // Offset from view top-left
 710     int horizontalOffset = 0;
 711     if (!lastTab)
 712       horizontalOffset = layer*GetHorizontalTabOffset();
 713     else
 714       horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 715
 716     tabControl->SetPosition(horizontalOffset, verticalOffset);
 717     tabControl->SetSize(GetTabWidth(), GetTabHeight());
 718
 719     currentLayer->Append(tabControl);
 720     lastTab = tabControl;
 721
 722     node = node->Next();
 723   }
 724
 725   // Move the selected tab to the bottom
 726   wxTabControl *control = FindTabControlForId(m_tabSelection);
 727   if (control)
 728     MoveSelectionTab(control);
 729
 730 }
 731
 732 // Draw all tabs
 733 void wxTabView::Draw(wxDC& dc)
 734 {
 735         // Draw top margin area (beneath tabs and above view area)
 736         if (GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
 737         {
 738                 dc.SetPen(*wxTRANSPARENT_PEN);
 739                 dc.SetBrush(*GetBackgroundBrush());
 740
 741                 // Add 1 because the pen is transparent. Under Motif, may be different.
 742                 dc.DrawRectangle(
 743                                 m_tabViewRect.x,
 744                                 (m_tabViewRect.y - m_topMargin),
 745                                 (m_tabViewRect.width + 1),
 746                                 (m_topMargin + 1)
 747                                 );
 748         }
 749
 750         // Draw layers in reverse order
 751         wxNode *node = m_layers.Last();
 752         while (node)
 753         {
 754                 wxTabLayer *layer = (wxTabLayer *)node->Data();
 755                 wxNode *node2 = layer->First();
 756                 while (node2)
 757                 {
 758                         wxTabControl *control = (wxTabControl *)node2->Data();
 759                         control->OnDraw(dc, (node2->Next() == NULL));
 760                         node2 = node2->Next();
 761                 }
 762
 763                 node = node->Previous();
 764         }
 765
 766
 767 #ifndef wxUSE_NEW_METHOD
 768         if (GetTabStyle() & wxTAB_STYLE_DRAW_BOX)
 769         {
 770                 dc.SetPen(GetShadowPen());
 771
 772                 // Draw bottom line
 773                 dc.DrawLine(
 774                                 (GetViewRect().x + 1),
 775                                 (GetViewRect().y + GetViewRect().height),
 776                                 (GetViewRect().x + GetViewRect().width + 1),
 777                                 (GetViewRect().y + GetViewRect().height)
 778                                 );
 779
 780                 // Draw right line
 781                 dc.DrawLine(
 782                                 (GetViewRect().x + GetViewRect().width),
 783                                 (GetViewRect().y - GetTopMargin() + 1),
 784                                 (GetViewRect().x + GetViewRect().width),
 785                                 (GetViewRect().y + GetViewRect().height)
 786                                 );
 787
 788                 dc.SetPen(wxBLACK_PEN);
 789
 790                 // Draw bottom line
 791                 dc.DrawLine(
 792                                 (GetViewRect().x),
 793                                 (GetViewRect().y + GetViewRect().height + 1),
 794 #if defined(__WXMOTIF__)
 795                                 (GetViewRect().x + GetViewRect().width + 1),
 796 #else
 797                                 (GetViewRect().x + GetViewRect().width + 2),
 798 #endif
 799
 800                                 (GetViewRect().y + GetViewRect().height + 1)
 801                                 );
 802
 803                 // Draw right line
 804                 dc.DrawLine(
 805                                 (GetViewRect().x + GetViewRect().width + 1),
 806                                 (GetViewRect().y - GetTopMargin()),
 807                                 (GetViewRect().x + GetViewRect().width + 1),
 808                                 (GetViewRect().y + GetViewRect().height + 1)
 809                                 );
 810         }
 811 #endif
 812 }
 813
 814 // Process mouse event, return FALSE if we didn't process it
 815 bool wxTabView::OnEvent(wxMouseEvent& event)
 816 {
 817   if (!event.LeftDown())
 818     return FALSE;
 819
 820   float x, y;
 821   event.Position(&x, &y);
 822
 823   wxTabControl *hitControl = (wxTabControl *) NULL;
 824
 825   wxNode *node = m_layers.First();
 826   while (node)
 827   {
 828     wxTabLayer *layer = (wxTabLayer *)node->Data();
 829     wxNode *node2 = layer->First();
 830     while (node2)
 831     {
 832       wxTabControl *control = (wxTabControl *)node2->Data();
 833       if (control->HitTest((int)x, (int)y))
 834       {
 835         hitControl = control;
 836         node = (wxNode *) NULL;
 837         node2 = (wxNode *) NULL;
 838       }
 839       else
 840         node2 = node2->Next();
 841     }
 842
 843     if (node)
 844       node = node->Next();
 845   }
 846
 847   if (!hitControl)
 848     return FALSE;
 849
 850   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 851
 852   if (hitControl == currentTab)
 853     return FALSE;
 854
 855   ChangeTab(hitControl);
 856
 857   return TRUE;
 858 }
 859
 860 bool wxTabView::ChangeTab(wxTabControl *control)
 861 {
 862   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 863   int oldTab = -1;
 864   if (currentTab)
 865     oldTab = currentTab->GetId();
 866
 867   if (control == currentTab)
 868     return TRUE;
 869
 870   if (m_layers.Number() == 0)
 871     return FALSE;
 872
 873   if (!OnTabPreActivate(control->GetId(), oldTab))
 874     return FALSE;
 875
 876   // Move the tab to the bottom
 877   MoveSelectionTab(control);
 878
 879   if (currentTab)
 880     currentTab->SetSelected(FALSE);
 881
 882   control->SetSelected(TRUE);
 883   m_tabSelection = control->GetId();
 884
 885   OnTabActivate(control->GetId(), oldTab);
 886
 887   // Leave window refresh for the implementing window
 888
 889   return TRUE;
 890 }
 891
 892 // Move the selected tab to the bottom layer, if necessary,
 893 // without calling app activation code
 894 bool wxTabView::MoveSelectionTab(wxTabControl *control)
 895 {
 896   if (m_layers.Number() == 0)
 897     return FALSE;
 898
 899   wxTabLayer *firstLayer = (wxTabLayer *)m_layers.First()->Data();
 900
 901   // Find what column this tab is at, so we can swap with the one at the bottom.
 902   // If we're on the bottom layer, then no need to swap.
 903   if (!firstLayer->Member(control))
 904   {
 905     // Do a swap
 906     int col = 0;
 907     wxNode *thisNode = FindTabNodeAndColumn(control, &col);
 908     if (!thisNode)
 909       return FALSE;
 910     wxNode *otherNode = firstLayer->Nth(col);
 911     if (!otherNode)
 912       return FALSE;
 913
 914     // If this is already in the bottom layer, return now
 915     if (otherNode == thisNode)
 916       return TRUE;
 917
 918     wxTabControl *otherTab = (wxTabControl *)otherNode->Data();
 919
 920     // We now have pointers to the tab to be changed to,
 921     // and the tab on the first layer. Swap tab structures and
 922     // position details.
 923
 924     int thisX = control->GetX();
 925     int thisY = control->GetY();
 926     int thisColPos = control->GetColPosition();
 927     int otherX = otherTab->GetX();
 928     int otherY = otherTab->GetY();
 929     int otherColPos = otherTab->GetColPosition();
 930
 931     control->SetPosition(otherX, otherY);
 932     control->SetColPosition(otherColPos);
 933     otherTab->SetPosition(thisX, thisY);
 934     otherTab->SetColPosition(thisColPos);
 935
 936     // Swap the data for the nodes
 937     thisNode->SetData(otherTab);
 938     otherNode->SetData(control);
 939   }
 940   return TRUE;
 941 }
 942
 943 // Called when a tab is activated
 944 void wxTabView::OnTabActivate(int /*activateId*/, int /*deactivateId*/)
 945 {
 946 }
 947
 948 void wxTabView::SetHighlightColour(const wxColour& col)
 949 {
 950   m_highlightColour = col;
 951   m_highlightPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
 952 }
 953
 954 void wxTabView::SetShadowColour(const wxColour& col)
 955 {
 956   m_shadowColour = col;
 957   m_shadowPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
 958 }
 959
 960 void wxTabView::SetBackgroundColour(const wxColour& col)
 961 {
 962   m_backgroundColour = col;
 963   m_backgroundPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
 964   m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
 965 }
 966
 967 void wxTabView::SetTabSelection(int sel, bool activateTool)
 968 {
 969   int oldSel = m_tabSelection;
 970   wxTabControl *control = FindTabControlForId(sel);
 971
 972   if (!OnTabPreActivate(sel, oldSel))
 973     return;
 974
 975   if (control)
 976     control->SetSelected((sel != 0)); // TODO ??
 977   else
 978   {
 979     wxMessageBox(_("Could not find tab for id"), _("Error"), wxOK);
 980     return;
 981   }
 982
 983   m_tabSelection = sel;
 984   MoveSelectionTab(control);
 985
 986   if (activateTool)
 987     OnTabActivate(sel, oldSel);
 988 }
 989
 990 // Find tab control for id
 991 wxTabControl *wxTabView::FindTabControlForId(int id) const
 992 {
 993   wxNode *node1 = m_layers.First();
 994   while (node1)
 995   {
 996     wxTabLayer *layer = (wxTabLayer *)node1->Data();
 997     wxNode *node2 = layer->First();
 998     while (node2)
 999     {
1000       wxTabControl *control = (wxTabControl *)node2->Data();
1001       if (control->GetId() == id)
1002         return control;
1003       node2 = node2->Next();
1004     }
1005     node1 = node1->Next();
1006   }
1007   return (wxTabControl *) NULL;
1008 }
1009
1010 // Find tab control for layer, position (starting from zero)
1011 wxTabControl *wxTabView::FindTabControlForPosition(int layer, int position) const
1012 {
1013   wxNode *node1 = m_layers.Nth(layer);
1014   if (!node1)
1015     return (wxTabControl *) NULL;
1016   wxTabLayer *tabLayer = (wxTabLayer *)node1->Data();
1017   wxNode *node2 = tabLayer->Nth(position);
1018   if (!node2)
1019     return (wxTabControl *) NULL;
1020   return (wxTabControl *)node2->Data();
1021 }
1022
1023 // Find the node and the column at which this control is positioned.
1024 wxNode *wxTabView::FindTabNodeAndColumn(wxTabControl *control, int *col) const
1025 {
1026   wxNode *node1 = m_layers.First();
1027   while (node1)
1028   {
1029     wxTabLayer *layer = (wxTabLayer *)node1->Data();
1030     int c = 0;
1031     wxNode *node2 = layer->First();
1032     while (node2)
1033     {
1034       wxTabControl *cnt = (wxTabControl *)node2->Data();
1035       if (cnt == control)
1036       {
1037         *col = c;
1038         return node2;
1039       }
1040       node2 = node2->Next();
1041       c ++;
1042     }
1043     node1 = node1->Next();
1044   }
1045   return (wxNode *) NULL;
1046 }
1047
1048 int wxTabView::CalculateTabWidth(int noTabs, bool adjustView)
1049 {
1050   m_tabWidth = (int)((m_tabViewRect.width - ((noTabs - 1)*GetHorizontalTabSpacing()))/noTabs);
1051   if (adjustView)
1052   {
1053     m_tabViewRect.width = noTabs*m_tabWidth + ((noTabs-1)*GetHorizontalTabSpacing());
1054   }
1055   return m_tabWidth;
1056 }
1057
1058 /*
1059  * wxTabbedDialog
1060  */
1061
1062 IMPLEMENT_CLASS(wxTabbedDialog, wxDialog)
1063
1064 BEGIN_EVENT_TABLE(wxTabbedDialog, wxDialog)
1065     EVT_CLOSE(wxTabbedDialog::OnCloseWindow)
1066     EVT_MOUSE_EVENTS(wxTabbedDialog::OnMouseEvent)
1067     EVT_PAINT(wxTabbedDialog::OnPaint)
1068 END_EVENT_TABLE()
1069
1070 wxTabbedDialog::wxTabbedDialog(wxWindow *parent, wxWindowID id,
1071     const wxString& title,
1072     const wxPoint& pos, const wxSize& size,
1073     long windowStyle, const wxString& name):
1074    wxDialog(parent, id, title, pos, size, windowStyle, name)
1075 {
1076   m_tabView = (wxTabView *) NULL;
1077 }
1078
1079 wxTabbedDialog::~wxTabbedDialog(void)
1080 {
1081   if (m_tabView)
1082     delete m_tabView;
1083 }
1084
1085 void wxTabbedDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event) )
1086 {
1087   Destroy();
1088 }
1089
1090 void wxTabbedDialog::OnMouseEvent(wxMouseEvent& event )
1091 {
1092   if (m_tabView)
1093     m_tabView->OnEvent(event);
1094 }
1095
1096 void wxTabbedDialog::OnPaint(wxPaintEvent& WXUNUSED(event) )
1097 {
1098     wxPaintDC dc(this);
1099     if (m_tabView)
1100         m_tabView->Draw(dc);
1101 }
1102
1103 /*
1104  * wxTabbedPanel
1105  */
1106
1107 IMPLEMENT_CLASS(wxTabbedPanel, wxPanel)
1108
1109 BEGIN_EVENT_TABLE(wxTabbedPanel, wxPanel)
1110     EVT_MOUSE_EVENTS(wxTabbedPanel::OnMouseEvent)
1111     EVT_PAINT(wxTabbedPanel::OnPaint)
1112 END_EVENT_TABLE()
1113
1114 wxTabbedPanel::wxTabbedPanel(wxWindow *parent, wxWindowID id, const wxPoint& pos,
1115    const wxSize& size, long windowStyle, const wxString& name):
1116    wxPanel(parent, id, pos, size, windowStyle, name)
1117 {
1118   m_tabView = (wxTabView *) NULL;
1119 }
1120
1121 wxTabbedPanel::~wxTabbedPanel(void)
1122 {
1123   delete m_tabView;
1124 }
1125
1126 void wxTabbedPanel::OnMouseEvent(wxMouseEvent& event)
1127 {
1128   if (m_tabView)
1129     m_tabView->OnEvent(event);
1130 }
1131
1132 void wxTabbedPanel::OnPaint(wxPaintEvent& WXUNUSED(event) )
1133 {
1134     wxPaintDC dc(this);
1135     if (m_tabView)
1136         m_tabView->Draw(dc);
1137 }
1138
1139 /*
1140  * wxPanelTabView
1141  */
1142
1143 IMPLEMENT_CLASS(wxPanelTabView, wxTabView)
1144
1145 wxPanelTabView::wxPanelTabView(wxPanel *pan, long style): wxTabView(style), m_tabWindows(wxKEY_INTEGER)
1146 {
1147   m_panel = pan;
1148   m_currentWindow = (wxWindow *) NULL;
1149
1150   if (m_panel->IsKindOf(CLASSINFO(wxTabbedDialog)))
1151     ((wxTabbedDialog *)m_panel)->SetTabView(this);
1152   else if (m_panel->IsKindOf(CLASSINFO(wxTabbedPanel)))
1153     ((wxTabbedPanel *)m_panel)->SetTabView(this);
1154
1155   SetWindow(m_panel);
1156 }
1157
1158 wxPanelTabView::~wxPanelTabView(void)
1159 {
1160   ClearWindows(TRUE);
1161 }
1162
1163 // Called when a tab is activated
1164 void wxPanelTabView::OnTabActivate(int activateId, int deactivateId)
1165 {
1166   if (!m_panel)
1167     return;
1168
1169   wxWindow *oldWindow = ((deactivateId == -1) ? 0 : GetTabWindow(deactivateId));
1170   wxWindow *newWindow = GetTabWindow(activateId);
1171
1172   if (oldWindow)
1173     oldWindow->Show(FALSE);
1174   if (newWindow)
1175     newWindow->Show(TRUE);
1176
1177   m_panel->Refresh();
1178 }
1179
1180
1181 void wxPanelTabView::AddTabWindow(int id, wxWindow *window)
1182 {
1183   m_tabWindows.Append((long)id, window);
1184   window->Show(FALSE);
1185 }
1186
1187 wxWindow *wxPanelTabView::GetTabWindow(int id) const
1188 {
1189   wxNode *node = m_tabWindows.Find((long)id);
1190   if (!node)
1191     return (wxWindow *) NULL;
1192   return (wxWindow *)node->Data();
1193 }
1194
1195 void wxPanelTabView::ClearWindows(bool deleteWindows)
1196 {
1197   if (deleteWindows)
1198     m_tabWindows.DeleteContents(TRUE);
1199   m_tabWindows.Clear();
1200   m_tabWindows.DeleteContents(FALSE);
1201 }
1202
1203 void wxPanelTabView::ShowWindowForTab(int id)
1204 {
1205   wxWindow *newWindow = GetTabWindow(id);
1206   if (newWindow == m_currentWindow)
1207     return;
1208   if (m_currentWindow)
1209     m_currentWindow->Show(FALSE);
1210   newWindow->Show(TRUE);
1211   newWindow->Refresh();
1212 }
1213