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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if wxUSE_TAB_DIALOG
  24
  25 #ifndef WX_PRECOMP
  26     #include "wx/settings.h"
  27     #include "wx/intl.h"
  28     #include "wx/dcclient.h"
  29 #endif
  30
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <stdarg.h>
  34 #include <math.h>
  35
  36 #include "wx/tab.h"
  37 #include "wx/listimpl.cpp"
  38
  39 WX_DEFINE_LIST(wxTabLayerList);
  40
  41 // not defined: use old, square tab implementation (fills in tabs)
  42 // defined: use new, rounded tab implementation (doesn't colour in tabs)
  43 // #define wxUSE_NEW_METHOD
  44
  45 IMPLEMENT_DYNAMIC_CLASS(wxTabControl, wxObject)
  46
  47 // IMPLEMENT_DYNAMIC_CLASS(wxTabLayer, wxList)
  48
  49 wxTabControl::wxTabControl(wxTabView *v)
  50 {
  51   m_view = v;
  52   m_isSelected = FALSE;
  53   m_offsetX = 0;
  54   m_offsetY = 0;
  55   m_width = 0;
  56   m_height = 0;
  57   m_id = 0;
  58   m_rowPosition = 0;
  59   m_colPosition = 0;
  60 }
  61
  62 wxTabControl::~wxTabControl(void)
  63 {
  64 }
  65
  66 void wxTabControl::OnDraw(wxDC& dc, bool lastInRow)
  67 {
  68     // Old, but in some ways better (drawing opaque tabs)
  69 #ifndef wxUSE_NEW_METHOD
  70   if (!m_view)
  71     return;
  72
  73   // Top-left of tab view area
  74   int viewX = m_view->GetViewRect().x;
  75   int viewY = m_view->GetViewRect().y;
  76
  77   // Top-left of tab control
  78   int tabX = GetX() + viewX;
  79   int tabY = GetY() + viewY;
  80   int tabHeightInc = 0;
  81   if (m_isSelected)
  82   {
  83     tabHeightInc = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
  84     tabY -= tabHeightInc;
  85   }
  86
  87   dc.SetPen(*wxTRANSPARENT_PEN);
  88
  89   // Draw grey background
  90   if (m_view->GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
  91   {
  92     dc.SetBrush(*m_view->GetBackgroundBrush());
  93
  94     // Add 1 because the pen is transparent. Under Motif, may be different.
  95 #ifdef __WXMOTIF__
  96     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + tabHeightInc));
  97 #else
  98     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + 1 + tabHeightInc));
  99 #endif
 100   }
 101
 102   // Draw highlight and shadow
 103   dc.SetPen(*m_view->GetHighlightPen());
 104
 105   // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 106   // a bit if the tab below happens to be selected. Check.
 107   wxTabControl *tabBeneath = NULL;
 108   int subtractThis = 0;
 109   if (GetColPosition() > 0)
 110     tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition());
 111   if (tabBeneath && tabBeneath->IsSelected())
 112     subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 113
 114   // Vertical highlight: if first tab, draw to bottom of view
 115   if (tabX == m_view->GetViewRect().x && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 116     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y + m_view->GetViewRect().height));
 117   else if (tabX == m_view->GetViewRect().x)
 118     // Not box drawing, just to top of view.
 119     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y));
 120   else
 121     dc.DrawLine(tabX, tabY, tabX, (tabY + GetHeight() + tabHeightInc - subtractThis));
 122
 123   dc.DrawLine(tabX, tabY, (tabX + GetWidth()), tabY);
 124   dc.SetPen(*m_view->GetShadowPen());
 125
 126   // Test if we're outside the right-hand edge of the view area
 127   if (((tabX + GetWidth()) >= m_view->GetViewRect().x + m_view->GetViewRect().width) && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 128   {
 129     int bottomY = m_view->GetViewRect().y + m_view->GetViewRect().height + GetY() + m_view->GetTabHeight() + m_view->GetTopMargin();
 130     // Add a tab height since we wish to draw to the bottom of the view.
 131     dc.DrawLine((tabX + GetWidth()), tabY,
 132       (tabX + GetWidth()), bottomY);
 133
 134     // Calculate the far-right of the view, since we don't wish to
 135     // draw inside that
 136     int rightOfView = m_view->GetViewRect().x + m_view->GetViewRect().width + 1;
 137
 138     // Draw the horizontal bit to connect to the view rectangle
 139     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY-1),
 140       (tabX + GetWidth()), (bottomY-1));
 141
 142     // Draw black line to emphasize shadow
 143     dc.SetPen(*wxBLACK_PEN);
 144     dc.DrawLine((tabX + GetWidth() + 1), (tabY+1),
 145       (tabX + GetWidth() + 1), bottomY);
 146
 147     // Draw the horizontal bit to connect to the view rectangle
 148     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY),
 149       (tabX + GetWidth() + 1), (bottomY));
 150   }
 151   else
 152   {
 153     if (lastInRow)
 154     {
 155       // 25/5/97 UNLESS it's less than the max number of positions in this row
 156
 157       int topY = m_view->GetViewRect().y - m_view->GetTopMargin();
 158
 159       int maxPositions = ((wxTabLayer *)m_view->GetLayers().Item(0)->GetData())->GetCount();
 160
 161       // Only down to the bottom of the tab, not to the top of the view
 162       if ( GetRowPosition() < (maxPositions - 1) )
 163         topY = tabY + GetHeight() + tabHeightInc;
 164
 165 #ifdef __WXMOTIF__
 166       topY -= 1;
 167 #endif
 168
 169       // Shadow
 170       dc.DrawLine((tabX + GetWidth()), tabY, (tabX + GetWidth()), topY);
 171       // Draw black line to emphasize shadow
 172       dc.SetPen(*wxBLACK_PEN);
 173       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 174          topY);
 175     }
 176     else
 177     {
 178       // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 179       // a bit if the tab below (and next col along) happens to be selected. Check.
 180       wxTabControl *tabBeneath = NULL;
 181       int subtractThis = 0;
 182       if (GetColPosition() > 0)
 183         tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition() + 1);
 184       if (tabBeneath && tabBeneath->IsSelected())
 185         subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 186
 187 #ifdef __WXMOTIF__
 188       subtractThis += 1;
 189 #endif
 190
 191       // Draw only to next tab down.
 192       dc.DrawLine((tabX + GetWidth()), tabY,
 193          (tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc - subtractThis));
 194
 195       // Draw black line to emphasize shadow
 196       dc.SetPen(*wxBLACK_PEN);
 197       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 198          (tabY + GetHeight() + tabHeightInc - subtractThis));
 199     }
 200   }
 201
 202   // Draw centered text
 203   int textY = tabY + m_view->GetVerticalTabTextSpacing() + tabHeightInc;
 204
 205   if (m_isSelected)
 206     dc.SetFont(* m_view->GetSelectedTabFont());
 207   else
 208     dc.SetFont(* GetFont());
 209
 210   wxColour col(m_view->GetTextColour());
 211   dc.SetTextForeground(col);
 212   dc.SetBackgroundMode(wxTRANSPARENT);
 213   long textWidth, textHeight;
 214   dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 215
 216   int textX = (int)(tabX + (GetWidth() - textWidth)/2.0);
 217   if (textX < (tabX + 2))
 218     textX = (tabX + 2);
 219
 220   dc.SetClippingRegion(tabX, tabY, GetWidth(), GetHeight());
 221   dc.DrawText(GetLabel(), textX, textY);
 222   dc.DestroyClippingRegion();
 223
 224   if (m_isSelected)
 225   {
 226     dc.SetPen(*m_view->GetHighlightPen());
 227
 228     // Draw white highlight from the tab's left side to the left hand edge of the view
 229     dc.DrawLine(m_view->GetViewRect().x, (tabY + GetHeight() + tabHeightInc),
 230      tabX, (tabY + GetHeight() + tabHeightInc));
 231
 232     // Draw white highlight from the tab's right side to the right hand edge of the view
 233     dc.DrawLine((tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc),
 234      m_view->GetViewRect().x + m_view->GetViewRect().width, (tabY + GetHeight() + tabHeightInc));
 235   }
 236 #else
 237     // New HEL version with rounder tabs
 238
 239     if (!m_view) return;
 240
 241     int tabInc   = 0;
 242     if (m_isSelected)
 243     {
 244         tabInc = m_view->GetTabSelectionHeight() - m_view->GetTabHeight();
 245     }
 246     int tabLeft  = GetX() + m_view->GetViewRect().x;
 247     int tabTop   = GetY() + m_view->GetViewRect().y - tabInc;
 248     int tabRight = tabLeft + m_view->GetTabWidth();
 249     int left     = m_view->GetViewRect().x;
 250     int top      = tabTop + m_view->GetTabHeight() + tabInc;
 251     int right    = left + m_view->GetViewRect().width;
 252     int bottom   = top + m_view->GetViewRect().height;
 253
 254     if (m_isSelected)
 255     {
 256         // TAB is selected - draw TAB and the View's full outline
 257
 258         dc.SetPen(*(m_view->GetHighlightPen()));
 259         wxPoint pnts[10];
 260         int n = 0;
 261         pnts[n].x = left;            pnts[n++].y = bottom;
 262         pnts[n].x = left;             pnts[n++].y = top;
 263         pnts[n].x = tabLeft;         pnts[n++].y = top;
 264         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 265         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 266         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 267         dc.DrawLines(n, pnts);
 268         if (!lastInRow)
 269         {
 270             dc.DrawLine(
 271                     (tabRight + 2),
 272                     top,
 273                     right,
 274                     top
 275                     );
 276         }
 277
 278         dc.SetPen(*(m_view->GetShadowPen()));
 279         dc.DrawLine(
 280                 tabRight,
 281                 tabTop + 2,
 282                 tabRight,
 283                 top
 284                 );
 285         dc.DrawLine(
 286                 right,
 287                 top,
 288                 right,
 289                 bottom
 290                 );
 291         dc.DrawLine(
 292                 right,
 293                 bottom,
 294                 left,
 295                 bottom
 296                 );
 297
 298         dc.SetPen(*wxBLACK_PEN);
 299         dc.DrawPoint(
 300                 tabRight,
 301                 tabTop + 1
 302                 );
 303         dc.DrawPoint(
 304                 tabRight + 1,
 305                 tabTop + 2
 306                 );
 307         if (lastInRow)
 308         {
 309             dc.DrawLine(
 310                 tabRight + 1,
 311                 bottom,
 312                 tabRight + 1,
 313                 tabTop + 1
 314                 );
 315         }
 316         else
 317         {
 318             dc.DrawLine(
 319                 tabRight + 1,
 320                 tabTop + 2,
 321                 tabRight + 1,
 322                 top
 323                 );
 324             dc.DrawLine(
 325                 right + 1,
 326                 top,
 327                 right + 1,
 328                 bottom + 1
 329                 );
 330         }
 331         dc.DrawLine(
 332                 right + 1,
 333                 bottom + 1,
 334                 left + 1,
 335                 bottom + 1
 336                 );
 337     }
 338     else
 339     {
 340         // TAB is not selected - just draw TAB outline and RH edge
 341         // if the TAB is the last in the row
 342
 343         int maxPositions = ((wxTabLayer*)m_view->GetLayers().Item(0)->GetData())->GetCount();
 344         wxTabControl* tabBelow = 0;
 345         wxTabControl* tabBelowRight = 0;
 346         if (GetColPosition() > 0)
 347         {
 348             tabBelow = m_view->FindTabControlForPosition(
 349                         GetColPosition() - 1,
 350                         GetRowPosition()
 351                         );
 352         }
 353         if (!lastInRow && GetColPosition() > 0)
 354         {
 355             tabBelowRight = m_view->FindTabControlForPosition(
 356                         GetColPosition() - 1,
 357                         GetRowPosition() + 1
 358                         );
 359         }
 360
 361         float raisedTop = top - m_view->GetTabSelectionHeight() +
 362                             m_view->GetTabHeight();
 363
 364         dc.SetPen(*(m_view->GetHighlightPen()));
 365         wxPoint pnts[10];
 366         int n = 0;
 367
 368         pnts[n].x = tabLeft;
 369
 370         if (tabBelow && tabBelow->IsSelected())
 371         {
 372             pnts[n++].y = (long)raisedTop;
 373         }
 374         else
 375         {
 376             pnts[n++].y = top;
 377         }
 378         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 379         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 380         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 381         dc.DrawLines(n, pnts);
 382
 383         dc.SetPen(*(m_view->GetShadowPen()));
 384         if (GetRowPosition() >= maxPositions - 1)
 385         {
 386             dc.DrawLine(
 387                     tabRight,
 388                     (tabTop + 2),
 389                     tabRight,
 390                     bottom
 391                     );
 392             dc.DrawLine(
 393                     tabRight,
 394                     bottom,
 395                     (tabRight - m_view->GetHorizontalTabOffset()),
 396                     bottom
 397                     );
 398         }
 399         else
 400         {
 401             if (tabBelowRight && tabBelowRight->IsSelected())
 402             {
 403                 dc.DrawLine(
 404                         tabRight,
 405                         (long)raisedTop,
 406                         tabRight,
 407                         tabTop + 1
 408                         );
 409             }
 410             else
 411             {
 412                 dc.DrawLine(
 413                         tabRight,
 414                         top - 1,
 415                         tabRight,
 416                         tabTop + 1
 417                         );
 418             }
 419         }
 420
 421         dc.SetPen(*wxBLACK_PEN);
 422         dc.DrawPoint(
 423                 tabRight,
 424                 tabTop + 1
 425                 );
 426         dc.DrawPoint(
 427                 tabRight + 1,
 428                 tabTop + 2
 429                 );
 430         if (GetRowPosition() >= maxPositions - 1)
 431         {
 432             // draw right hand edge to bottom of view
 433             dc.DrawLine(
 434                     tabRight + 1,
 435                     bottom + 1,
 436                     tabRight + 1,
 437                     tabTop + 2
 438                     );
 439             dc.DrawLine(
 440                     tabRight + 1,
 441                     bottom + 1,
 442                     (tabRight - m_view->GetHorizontalTabOffset()),
 443                     bottom + 1
 444                     );
 445         }
 446         else
 447         {
 448             // draw right hand edge of TAB
 449             if (tabBelowRight && tabBelowRight->IsSelected())
 450             {
 451                 dc.DrawLine(
 452                         tabRight + 1,
 453                         (long)(raisedTop - 1),
 454                         tabRight + 1,
 455                         tabTop + 2
 456                         );
 457             }
 458             else
 459             {
 460                 dc.DrawLine(
 461                         tabRight + 1,
 462                         top - 1,
 463                         tabRight + 1,
 464                         tabTop + 2
 465                         );
 466             }
 467         }
 468     }
 469
 470     // Draw centered text
 471     dc.SetPen(*wxBLACK_PEN);
 472     if (m_isSelected)
 473     {
 474         dc.SetFont(*(m_view->GetSelectedTabFont()));
 475     }
 476     else
 477     {
 478         dc.SetFont(*(GetFont()));
 479     }
 480
 481     wxColour col(m_view->GetTextColour());
 482     dc.SetTextForeground(col);
 483     dc.SetBackgroundMode(wxTRANSPARENT);
 484     long textWidth, textHeight;
 485     dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 486
 487     float textX = (tabLeft + tabRight - textWidth) / 2;
 488     float textY = (tabInc + tabTop + m_view->GetVerticalTabTextSpacing());
 489
 490     dc.DrawText(GetLabel(), (long)textX, (long)textY);
 491 #endif
 492 }
 493
 494 bool wxTabControl::HitTest(int x, int y) const
 495 {
 496   // Top-left of tab control
 497   int tabX1 = GetX() + m_view->GetViewRect().x;
 498   int tabY1 = GetY() + m_view->GetViewRect().y;
 499
 500   // Bottom-right
 501   int tabX2 = tabX1 + GetWidth();
 502   int tabY2 = tabY1 + GetHeight();
 503
 504   if (x >= tabX1 && y >= tabY1 && x <= tabX2 && y <= tabY2)
 505     return TRUE;
 506   else
 507     return FALSE;
 508 }
 509
 510 IMPLEMENT_DYNAMIC_CLASS(wxTabView, wxObject)
 511
 512 wxTabView::wxTabView(long style)
 513 {
 514   m_noTabs = 0;
 515   m_tabStyle = style;
 516   m_tabSelection = -1;
 517   m_tabHeight = 20;
 518   m_tabSelectionHeight = m_tabHeight + 2;
 519   m_tabWidth = 80;
 520   m_tabHorizontalOffset = 10;
 521   m_tabHorizontalSpacing = 2;
 522   m_tabVerticalTextSpacing = 3;
 523   m_topMargin = 5;
 524   m_tabViewRect.x = 20;
 525   m_tabViewRect.y = 20;
 526   m_tabViewRect.width = 300;
 527   m_tabViewRect.x = 300;
 528   m_highlightColour = *wxWHITE;
 529   m_shadowColour = wxColour(128, 128, 128);
 530   m_backgroundColour = *wxLIGHT_GREY;
 531   m_textColour = *wxBLACK;
 532   m_highlightPen = wxWHITE_PEN;
 533   m_shadowPen = wxGREY_PEN;
 534   m_backgroundPen = wxLIGHT_GREY_PEN;
 535   m_backgroundBrush = wxLIGHT_GREY_BRUSH;
 536   m_tabFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 537   m_tabSelectedFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 538   m_window = (wxWindow *) NULL;
 539 }
 540
 541 wxTabView::~wxTabView()
 542 {
 543   ClearTabs(TRUE);
 544 }
 545
 546 // Automatically positions tabs
 547 // TODO: this should just add the tab to a list, and then
 548 // a layout function (e.g. Realize) should be called when all tabs have been added.
 549 // The view rect could easily change as the view window is resized.
 550 wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
 551 {
 552   // First, find which layer we should be adding to.
 553   wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 554   if (!node)
 555   {
 556     wxTabLayer *newLayer = new wxTabLayer;
 557     node = m_layers.Append(newLayer);
 558   }
 559   // Check if adding another tab control would go off the
 560   // right-hand edge of the layer.
 561   wxTabLayer *tabLayer = (wxTabLayer *)node->GetData();
 562   wxList::compatibility_iterator lastTabNode = tabLayer->GetLast();
 563   if (lastTabNode)
 564   {
 565     wxTabControl *lastTab = (wxTabControl *)lastTabNode->GetData();
 566     // Start another layer (row).
 567     // Tricky choice: can't just check if will be overlapping the edge, because
 568     // this happens anyway for 2nd and subsequent rows.
 569     // Should check this for 1st row, and then subsequent rows should not exceed 1st
 570     // in length.
 571     if (((tabLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 572               > GetViewRect().width)) ||
 573         ((tabLayer != m_layers.GetFirst()->GetData()) && (tabLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 574     {
 575       tabLayer = new wxTabLayer;
 576       m_layers.Append(tabLayer);
 577       lastTabNode = wxList::compatibility_iterator();
 578     }
 579   }
 580   int layer = m_layers.GetCount() - 1;
 581
 582   wxTabControl *tabControl = existingTab;
 583   if (!existingTab)
 584     tabControl = OnCreateTabControl();
 585   tabControl->SetRowPosition(tabLayer->GetCount());
 586   tabControl->SetColPosition(layer);
 587
 588   wxTabControl *lastTab = (wxTabControl *) NULL;
 589   if (lastTabNode)
 590     lastTab = (wxTabControl *)lastTabNode->GetData();
 591
 592   // Top of new tab
 593   int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 594   // Offset from view top-left
 595   int horizontalOffset = 0;
 596   if (!lastTab)
 597     horizontalOffset = layer*GetHorizontalTabOffset();
 598   else
 599     horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 600
 601   tabControl->SetPosition(horizontalOffset, verticalOffset);
 602   tabControl->SetSize(GetTabWidth(), GetTabHeight());
 603   tabControl->SetId(id);
 604   tabControl->SetLabel(label);
 605   tabControl->SetFont(* GetTabFont());
 606
 607   tabLayer->Append(tabControl);
 608   m_noTabs ++;
 609
 610   return tabControl;
 611 }
 612
 613 // Remove the tab without deleting the window
 614 bool wxTabView::RemoveTab(int id)
 615 {
 616   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 617   while (layerNode)
 618   {
 619     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 620     wxList::compatibility_iterator tabNode = layer->GetFirst();
 621     while (tabNode)
 622     {
 623       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 624       if (tab->GetId() == id)
 625       {
 626         if (id == m_tabSelection)
 627           m_tabSelection = -1;
 628         delete tab;
 629         layer->Erase(tabNode);
 630         m_noTabs --;
 631
 632         // The layout has changed
 633         LayoutTabs();
 634         return TRUE;
 635       }
 636       tabNode = tabNode->GetNext();
 637     }
 638     layerNode = layerNode->GetNext();
 639   }
 640   return FALSE;
 641 }
 642
 643 bool wxTabView::SetTabText(int id, const wxString& label)
 644 {
 645     wxTabControl* control = FindTabControlForId(id);
 646     if (!control)
 647       return FALSE;
 648     control->SetLabel(label);
 649     return TRUE;
 650 }
 651
 652 wxString wxTabView::GetTabText(int id) const
 653 {
 654     wxTabControl* control = FindTabControlForId(id);
 655     if (!control)
 656       return wxEmptyString;
 657     else
 658       return control->GetLabel();
 659 }
 660
 661 // Returns the total height of the tabs component -- this may be several
 662 // times the height of a tab, if there are several tab layers (rows).
 663 int wxTabView::GetTotalTabHeight()
 664 {
 665   int minY = 0;
 666
 667   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 668   while (layerNode)
 669   {
 670     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 671     wxList::compatibility_iterator tabNode = layer->GetFirst();
 672     while (tabNode)
 673     {
 674       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 675
 676       if (tab->GetY() < minY)
 677         minY = tab->GetY();
 678
 679       tabNode = tabNode->GetNext();
 680     }
 681     layerNode = layerNode->GetNext();
 682   }
 683
 684   return - minY;
 685 }
 686
 687 void wxTabView::ClearTabs(bool deleteTabs)
 688 {
 689   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 690   while (layerNode)
 691   {
 692     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 693     wxList::compatibility_iterator tabNode = layer->GetFirst();
 694     while (tabNode)
 695     {
 696       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 697       if (deleteTabs)
 698         delete tab;
 699       wxList::compatibility_iterator next = tabNode->GetNext();
 700       layer->Erase(tabNode);
 701       tabNode = next;
 702     }
 703     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 704     delete layer;
 705     m_layers.Erase(layerNode);
 706     layerNode = nextLayerNode;
 707   }
 708   m_noTabs = 0;
 709   m_tabSelection = -1;
 710 }
 711
 712
 713 // Layout tabs (optional, e.g. if resizing window)
 714 void wxTabView::LayoutTabs(void)
 715 {
 716   // Make a list of the tab controls, deleting the wxTabLayers.
 717   wxList controls;
 718
 719   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 720   while (layerNode)
 721   {
 722     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 723     wxList::compatibility_iterator tabNode = layer->GetFirst();
 724     while (tabNode)
 725     {
 726       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 727       controls.Append(tab);
 728       wxList::compatibility_iterator next = tabNode->GetNext();
 729       layer->Erase(tabNode);
 730       tabNode = next;
 731     }
 732     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 733     delete layer;
 734     m_layers.Erase(layerNode);
 735     layerNode = nextLayerNode;
 736   }
 737
 738   wxTabControl *lastTab = (wxTabControl *) NULL;
 739
 740   wxTabLayer *currentLayer = new wxTabLayer;
 741   m_layers.Append(currentLayer);
 742
 743   wxList::compatibility_iterator node = controls.GetFirst();
 744   while (node)
 745   {
 746     wxTabControl *tabControl = (wxTabControl *)node->GetData();
 747     if (lastTab)
 748     {
 749       // Start another layer (row).
 750       // Tricky choice: can't just check if will be overlapping the edge, because
 751       // this happens anyway for 2nd and subsequent rows.
 752       // Should check this for 1st row, and then subsequent rows should not exceed 1st
 753       // in length.
 754       if (((currentLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 755                 > GetViewRect().width)) ||
 756           ((currentLayer != m_layers.GetFirst()->GetData()) && (currentLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 757      {
 758        currentLayer = new wxTabLayer;
 759        m_layers.Append(currentLayer);
 760        lastTab = (wxTabControl *) NULL;
 761      }
 762     }
 763
 764     int layer = m_layers.GetCount() - 1;
 765
 766     tabControl->SetRowPosition(currentLayer->GetCount());
 767     tabControl->SetColPosition(layer);
 768
 769     // Top of new tab
 770     int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 771     // Offset from view top-left
 772     int horizontalOffset = 0;
 773     if (!lastTab)
 774       horizontalOffset = layer*GetHorizontalTabOffset();
 775     else
 776       horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 777
 778     tabControl->SetPosition(horizontalOffset, verticalOffset);
 779     tabControl->SetSize(GetTabWidth(), GetTabHeight());
 780
 781     currentLayer->Append(tabControl);
 782     lastTab = tabControl;
 783
 784     node = node->GetNext();
 785   }
 786
 787   // Move the selected tab to the bottom
 788   wxTabControl *control = FindTabControlForId(m_tabSelection);
 789   if (control)
 790     MoveSelectionTab(control);
 791
 792 }
 793
 794 // Draw all tabs
 795 void wxTabView::Draw(wxDC& dc)
 796 {
 797         // Don't draw anything if there are no tabs.
 798         if (GetNumberOfTabs() == 0)
 799           return;
 800
 801     // Draw top margin area (beneath tabs and above view area)
 802     if (GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
 803     {
 804         dc.SetPen(*wxTRANSPARENT_PEN);
 805         dc.SetBrush(*GetBackgroundBrush());
 806
 807         // Add 1 because the pen is transparent. Under Motif, may be different.
 808         dc.DrawRectangle(
 809                 m_tabViewRect.x,
 810                 (m_tabViewRect.y - m_topMargin),
 811                 (m_tabViewRect.width + 1),
 812                 (m_topMargin + 1)
 813                 );
 814     }
 815
 816     // Draw layers in reverse order
 817     wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 818     while (node)
 819     {
 820         wxTabLayer *layer = (wxTabLayer *)node->GetData();
 821         wxList::compatibility_iterator node2 = layer->GetFirst();
 822         while (node2)
 823         {
 824             wxTabControl *control = (wxTabControl *)node2->GetData();
 825             control->OnDraw(dc, (!node2->GetNext()));
 826             node2 = node2->GetNext();
 827         }
 828
 829         node = node->GetPrevious();
 830     }
 831
 832
 833 #ifndef wxUSE_NEW_METHOD
 834     if (GetTabStyle() & wxTAB_STYLE_DRAW_BOX)
 835     {
 836         dc.SetPen(* GetShadowPen());
 837
 838         // Draw bottom line
 839         dc.DrawLine(
 840                 (GetViewRect().x + 1),
 841                 (GetViewRect().y + GetViewRect().height),
 842                 (GetViewRect().x + GetViewRect().width + 1),
 843                 (GetViewRect().y + GetViewRect().height)
 844                 );
 845
 846         // Draw right line
 847         dc.DrawLine(
 848                 (GetViewRect().x + GetViewRect().width),
 849                 (GetViewRect().y - GetTopMargin() + 1),
 850                 (GetViewRect().x + GetViewRect().width),
 851                 (GetViewRect().y + GetViewRect().height)
 852                 );
 853
 854         dc.SetPen(* wxBLACK_PEN);
 855
 856         // Draw bottom line
 857         dc.DrawLine(
 858                 (GetViewRect().x),
 859                 (GetViewRect().y + GetViewRect().height + 1),
 860 #if defined(__WXMOTIF__)
 861                 (GetViewRect().x + GetViewRect().width + 1),
 862 #else
 863                 (GetViewRect().x + GetViewRect().width + 2),
 864 #endif
 865
 866                 (GetViewRect().y + GetViewRect().height + 1)
 867                 );
 868
 869         // Draw right line
 870         dc.DrawLine(
 871                 (GetViewRect().x + GetViewRect().width + 1),
 872                 (GetViewRect().y - GetTopMargin()),
 873                 (GetViewRect().x + GetViewRect().width + 1),
 874                 (GetViewRect().y + GetViewRect().height + 1)
 875                 );
 876     }
 877 #endif
 878 }
 879
 880 // Process mouse event, return FALSE if we didn't process it
 881 bool wxTabView::OnEvent(wxMouseEvent& event)
 882 {
 883   if (!event.LeftDown())
 884     return FALSE;
 885
 886   wxCoord x, y;
 887   event.GetPosition(&x, &y);
 888
 889   wxTabControl *hitControl = (wxTabControl *) NULL;
 890
 891   wxTabLayerList::compatibility_iterator node = m_layers.GetFirst();
 892   while (node)
 893   {
 894     wxTabLayer *layer = (wxTabLayer *)node->GetData();
 895     wxList::compatibility_iterator node2 = layer->GetFirst();
 896     while (node2)
 897     {
 898       wxTabControl *control = (wxTabControl *)node2->GetData();
 899       if (control->HitTest((int)x, (int)y))
 900       {
 901         hitControl = control;
 902         node = wxTabLayerList::compatibility_iterator();
 903         node2 = wxList::compatibility_iterator();
 904       }
 905       else
 906         node2 = node2->GetNext();
 907     }
 908
 909     if (node)
 910       node = node->GetNext();
 911   }
 912
 913   if (!hitControl)
 914     return FALSE;
 915
 916   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 917
 918   if (hitControl == currentTab)
 919     return FALSE;
 920
 921   ChangeTab(hitControl);
 922
 923   return TRUE;
 924 }
 925
 926 bool wxTabView::ChangeTab(wxTabControl *control)
 927 {
 928   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 929   int oldTab = -1;
 930   if (currentTab)
 931     oldTab = currentTab->GetId();
 932
 933   if (control == currentTab)
 934     return TRUE;
 935
 936   if (m_layers.GetCount() == 0)
 937     return FALSE;
 938
 939   if (!OnTabPreActivate(control->GetId(), oldTab))
 940     return FALSE;
 941
 942   // Move the tab to the bottom
 943   MoveSelectionTab(control);
 944
 945   if (currentTab)
 946     currentTab->SetSelected(FALSE);
 947
 948   control->SetSelected(TRUE);
 949   m_tabSelection = control->GetId();
 950
 951   OnTabActivate(control->GetId(), oldTab);
 952
 953   // Leave window refresh for the implementing window
 954
 955   return TRUE;
 956 }
 957
 958 // Move the selected tab to the bottom layer, if necessary,
 959 // without calling app activation code
 960 bool wxTabView::MoveSelectionTab(wxTabControl *control)
 961 {
 962   if (m_layers.GetCount() == 0)
 963     return FALSE;
 964
 965   wxTabLayer *firstLayer = (wxTabLayer *)m_layers.GetFirst()->GetData();
 966
 967   // Find what column this tab is at, so we can swap with the one at the bottom.
 968   // If we're on the bottom layer, then no need to swap.
 969   if (!firstLayer->Member(control))
 970   {
 971     // Do a swap
 972     int col = 0;
 973     wxList::compatibility_iterator thisNode = FindTabNodeAndColumn(control, &col);
 974     if (!thisNode)
 975       return FALSE;
 976     wxList::compatibility_iterator otherNode = firstLayer->Item(col);
 977     if (!otherNode)
 978       return FALSE;
 979
 980     // If this is already in the bottom layer, return now
 981     if (otherNode == thisNode)
 982       return TRUE;
 983
 984     wxTabControl *otherTab = (wxTabControl *)otherNode->GetData();
 985
 986     // We now have pointers to the tab to be changed to,
 987     // and the tab on the first layer. Swap tab structures and
 988     // position details.
 989
 990     int thisX = control->GetX();
 991     int thisY = control->GetY();
 992     int thisColPos = control->GetColPosition();
 993     int otherX = otherTab->GetX();
 994     int otherY = otherTab->GetY();
 995     int otherColPos = otherTab->GetColPosition();
 996
 997     control->SetPosition(otherX, otherY);
 998     control->SetColPosition(otherColPos);
 999     otherTab->SetPosition(thisX, thisY);
1000     otherTab->SetColPosition(thisColPos);
1001
1002     // Swap the data for the nodes
1003     thisNode->SetData(otherTab);
1004     otherNode->SetData(control);
1005   }
1006   return TRUE;
1007 }
1008
1009 // Called when a tab is activated
1010 void wxTabView::OnTabActivate(int /*activateId*/, int /*deactivateId*/)
1011 {
1012 }
1013
1014 void wxTabView::SetHighlightColour(const wxColour& col)
1015 {
1016   m_highlightColour = col;
1017   m_highlightPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1018 }
1019
1020 void wxTabView::SetShadowColour(const wxColour& col)
1021 {
1022   m_shadowColour = col;
1023   m_shadowPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1024 }
1025
1026 void wxTabView::SetBackgroundColour(const wxColour& col)
1027 {
1028   m_backgroundColour = col;
1029   m_backgroundPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1030   m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
1031 }
1032
1033 void wxTabView::SetTabSelection(int sel, bool activateTool)
1034 {
1035   if ( sel==m_tabSelection )
1036     return;
1037
1038   int oldSel = m_tabSelection;
1039   wxTabControl *control = FindTabControlForId(sel);
1040   wxTabControl *oldControl = FindTabControlForId(m_tabSelection);
1041
1042   if (!OnTabPreActivate(sel, oldSel))
1043     return;
1044
1045   if (control)
1046     control->SetSelected((sel != -1)); // TODO ??
1047   else if (sel != -1)
1048   {
1049     wxFAIL_MSG(_("Could not find tab for id"));
1050     return;
1051   }
1052
1053   if (oldControl)
1054     oldControl->SetSelected(FALSE);
1055
1056   m_tabSelection = sel;
1057
1058   if (control)
1059     MoveSelectionTab(control);
1060
1061   if (activateTool)
1062     OnTabActivate(sel, oldSel);
1063 }
1064
1065 // Find tab control for id
1066 wxTabControl *wxTabView::FindTabControlForId(int id) const
1067 {
1068   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1069   while (node1)
1070   {
1071     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1072     wxList::compatibility_iterator node2 = layer->GetFirst();
1073     while (node2)
1074     {
1075       wxTabControl *control = (wxTabControl *)node2->GetData();
1076       if (control->GetId() == id)
1077         return control;
1078       node2 = node2->GetNext();
1079     }
1080     node1 = node1->GetNext();
1081   }
1082   return (wxTabControl *) NULL;
1083 }
1084
1085 // Find tab control for layer, position (starting from zero)
1086 wxTabControl *wxTabView::FindTabControlForPosition(int layer, int position) const
1087 {
1088   wxTabLayerList::compatibility_iterator node1 = m_layers.Item(layer);
1089   if (!node1)
1090     return (wxTabControl *) NULL;
1091   wxTabLayer *tabLayer = (wxTabLayer *)node1->GetData();
1092   wxList::compatibility_iterator node2 = tabLayer->Item(position);
1093   if (!node2)
1094     return (wxTabControl *) NULL;
1095   return (wxTabControl *)node2->GetData();
1096 }
1097
1098 // Find the node and the column at which this control is positioned.
1099 wxList::compatibility_iterator wxTabView::FindTabNodeAndColumn(wxTabControl *control, int *col) const
1100 {
1101   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1102   while (node1)
1103   {
1104     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1105     int c = 0;
1106     wxList::compatibility_iterator node2 = layer->GetFirst();
1107     while (node2)
1108     {
1109       wxTabControl *cnt = (wxTabControl *)node2->GetData();
1110       if (cnt == control)
1111       {
1112         *col = c;
1113         return node2;
1114       }
1115       node2 = node2->GetNext();
1116       c ++;
1117     }
1118     node1 = node1->GetNext();
1119   }
1120   return wxList::compatibility_iterator();
1121 }
1122
1123 int wxTabView::CalculateTabWidth(int noTabs, bool adjustView)
1124 {
1125   m_tabWidth = (int)((m_tabViewRect.width - ((noTabs - 1)*GetHorizontalTabSpacing()))/noTabs);
1126   if (adjustView)
1127   {
1128     m_tabViewRect.width = noTabs*m_tabWidth + ((noTabs-1)*GetHorizontalTabSpacing());
1129   }
1130   return m_tabWidth;
1131 }
1132
1133 /*
1134  * wxTabbedDialog
1135  */
1136
1137 IMPLEMENT_CLASS(wxTabbedDialog, wxDialog)
1138
1139 BEGIN_EVENT_TABLE(wxTabbedDialog, wxDialog)
1140     EVT_CLOSE(wxTabbedDialog::OnCloseWindow)
1141     EVT_MOUSE_EVENTS(wxTabbedDialog::OnMouseEvent)
1142     EVT_PAINT(wxTabbedDialog::OnPaint)
1143 END_EVENT_TABLE()
1144
1145 wxTabbedDialog::wxTabbedDialog(wxWindow *parent, wxWindowID id,
1146     const wxString& title,
1147     const wxPoint& pos, const wxSize& size,
1148     long windowStyle, const wxString& name):
1149    wxDialog(parent, id, title, pos, size, windowStyle, name)
1150 {
1151   m_tabView = (wxTabView *) NULL;
1152 }
1153
1154 wxTabbedDialog::~wxTabbedDialog(void)
1155 {
1156   if (m_tabView)
1157     delete m_tabView;
1158 }
1159
1160 void wxTabbedDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event) )
1161 {
1162   Destroy();
1163 }
1164
1165 void wxTabbedDialog::OnMouseEvent(wxMouseEvent& event )
1166 {
1167   if (m_tabView)
1168     m_tabView->OnEvent(event);
1169 }
1170
1171 void wxTabbedDialog::OnPaint(wxPaintEvent& WXUNUSED(event) )
1172 {
1173     wxPaintDC dc(this);
1174     if (m_tabView)
1175         m_tabView->Draw(dc);
1176 }
1177
1178 /*
1179  * wxTabbedPanel
1180  */
1181
1182 IMPLEMENT_CLASS(wxTabbedPanel, wxPanel)
1183
1184 BEGIN_EVENT_TABLE(wxTabbedPanel, wxPanel)
1185     EVT_MOUSE_EVENTS(wxTabbedPanel::OnMouseEvent)
1186     EVT_PAINT(wxTabbedPanel::OnPaint)
1187 END_EVENT_TABLE()
1188
1189 wxTabbedPanel::wxTabbedPanel(wxWindow *parent, wxWindowID id, const wxPoint& pos,
1190    const wxSize& size, long windowStyle, const wxString& name):
1191    wxPanel(parent, id, pos, size, windowStyle, name)
1192 {
1193   m_tabView = (wxTabView *) NULL;
1194 }
1195
1196 wxTabbedPanel::~wxTabbedPanel(void)
1197 {
1198   delete m_tabView;
1199 }
1200
1201 void wxTabbedPanel::OnMouseEvent(wxMouseEvent& event)
1202 {
1203   if (m_tabView)
1204     m_tabView->OnEvent(event);
1205 }
1206
1207 void wxTabbedPanel::OnPaint(wxPaintEvent& WXUNUSED(event) )
1208 {
1209     wxPaintDC dc(this);
1210     if (m_tabView)
1211         m_tabView->Draw(dc);
1212 }
1213
1214 /*
1215  * wxPanelTabView
1216  */
1217
1218 IMPLEMENT_CLASS(wxPanelTabView, wxTabView)
1219
1220 wxPanelTabView::wxPanelTabView(wxPanel *pan, long style)
1221     : wxTabView(style)
1222 {
1223   m_panel = pan;
1224   m_currentWindow = (wxWindow *) NULL;
1225
1226   if (m_panel->IsKindOf(CLASSINFO(wxTabbedDialog)))
1227     ((wxTabbedDialog *)m_panel)->SetTabView(this);
1228   else if (m_panel->IsKindOf(CLASSINFO(wxTabbedPanel)))
1229     ((wxTabbedPanel *)m_panel)->SetTabView(this);
1230
1231   SetWindow(m_panel);
1232 }
1233
1234 wxPanelTabView::~wxPanelTabView(void)
1235 {
1236   ClearWindows(TRUE);
1237 }
1238
1239 // Called when a tab is activated
1240 void wxPanelTabView::OnTabActivate(int activateId, int deactivateId)
1241 {
1242   if (!m_panel)
1243     return;
1244
1245   wxWindow *oldWindow = ((deactivateId == -1) ? 0 : GetTabWindow(deactivateId));
1246   wxWindow *newWindow = GetTabWindow(activateId);
1247
1248   if (oldWindow)
1249     oldWindow->Show(FALSE);
1250   if (newWindow)
1251     newWindow->Show(TRUE);
1252
1253   m_panel->Refresh();
1254 }
1255
1256
1257 void wxPanelTabView::AddTabWindow(int id, wxWindow *window)
1258 {
1259   wxASSERT(m_tabWindows.find(id) == m_tabWindows.end());
1260   m_tabWindows[id] = window;
1261   window->Show(FALSE);
1262 }
1263
1264 wxWindow *wxPanelTabView::GetTabWindow(int id) const
1265 {
1266   wxIntToWindowHashMap::const_iterator it = m_tabWindows.find(id);
1267   return it == m_tabWindows.end() ? NULL : it->second;
1268 }
1269
1270 void wxPanelTabView::ClearWindows(bool deleteWindows)
1271 {
1272   if (deleteWindows)
1273     WX_CLEAR_HASH_MAP(wxIntToWindowHashMap, m_tabWindows);
1274   m_tabWindows.clear();
1275 }
1276
1277 void wxPanelTabView::ShowWindowForTab(int id)
1278 {
1279   wxWindow *newWindow = GetTabWindow(id);
1280   if (newWindow == m_currentWindow)
1281     return;
1282   if (m_currentWindow)
1283     m_currentWindow->Show(FALSE);
1284   newWindow->Show(TRUE);
1285   newWindow->Refresh();
1286 }
1287
1288 #endif // wxUSE_TAB_DIALOG