src/generic/tabg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/tabg.cpp
   3 // Purpose:     Generic tabbed dialogs; used by wxMotif's wxNotebook
   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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/settings.h"
  21     #include "wx/intl.h"
  22     #include "wx/dcclient.h"
  23     #include "wx/math.h"
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29
  30 #include "wx/generic/tabg.h"
  31 #include "wx/listimpl.cpp"
  32
  33 WX_DEFINE_LIST(wxTabLayerList)
  34
  35 // not defined: use old, square tab implementation (fills in tabs)
  36 // defined: use new, rounded tab implementation (doesn't colour in tabs)
  37 // #define wxUSE_NEW_METHOD
  38
  39 IMPLEMENT_DYNAMIC_CLASS(wxTabControl, wxObject)
  40
  41 // IMPLEMENT_DYNAMIC_CLASS(wxTabLayer, wxList)
  42
  43 wxTabControl::wxTabControl(wxTabView *v)
  44 {
  45   m_view = v;
  46   m_isSelected = false;
  47   m_offsetX = 0;
  48   m_offsetY = 0;
  49   m_width = 0;
  50   m_height = 0;
  51   m_id = 0;
  52   m_rowPosition = 0;
  53   m_colPosition = 0;
  54 }
  55
  56 wxTabControl::~wxTabControl(void)
  57 {
  58 }
  59
  60 void wxTabControl::OnDraw(wxDC& dc, bool lastInRow)
  61 {
  62     // Old, but in some ways better (drawing opaque tabs)
  63 #ifndef wxUSE_NEW_METHOD
  64   if (!m_view)
  65     return;
  66
  67   // Top-left of tab view area
  68   int viewX = m_view->GetViewRect().x;
  69   int viewY = m_view->GetViewRect().y;
  70
  71   // Top-left of tab control
  72   int tabX = GetX() + viewX;
  73   int tabY = GetY() + viewY;
  74   int tabHeightInc = 0;
  75   if (m_isSelected)
  76   {
  77     tabHeightInc = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
  78     tabY -= tabHeightInc;
  79   }
  80
  81   dc.SetPen(*wxTRANSPARENT_PEN);
  82
  83   // Draw grey background
  84   if (m_view->GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
  85   {
  86     if(m_view->GetBackgroundBrush())
  87       dc.SetBrush(*m_view->GetBackgroundBrush());
  88
  89     // Add 1 because the pen is transparent. Under Motif, may be different.
  90 #ifdef __WXMOTIF__
  91     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + tabHeightInc));
  92 #else
  93     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + 1 + tabHeightInc));
  94 #endif
  95   }
  96
  97   // Draw highlight and shadow
  98   dc.SetPen(*m_view->GetHighlightPen());
  99
 100   // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 101   // a bit if the tab below happens to be selected. Check.
 102   wxTabControl *tabBeneath = NULL;
 103   int subtractThis = 0;
 104   if (GetColPosition() > 0)
 105     tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition());
 106   if (tabBeneath && tabBeneath->IsSelected())
 107     subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 108
 109   // Vertical highlight: if first tab, draw to bottom of view
 110   if (tabX == m_view->GetViewRect().x && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 111     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y + m_view->GetViewRect().height));
 112   else if (tabX == m_view->GetViewRect().x)
 113     // Not box drawing, just to top of view.
 114     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y));
 115   else
 116     dc.DrawLine(tabX, tabY, tabX, (tabY + GetHeight() + tabHeightInc - subtractThis));
 117
 118   dc.DrawLine(tabX, tabY, (tabX + GetWidth()), tabY);
 119   dc.SetPen(*m_view->GetShadowPen());
 120
 121   // Test if we're outside the right-hand edge of the view area
 122   if (((tabX + GetWidth()) >= m_view->GetViewRect().x + m_view->GetViewRect().width) && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 123   {
 124     int bottomY = m_view->GetViewRect().y + m_view->GetViewRect().height + GetY() + m_view->GetTabHeight() + m_view->GetTopMargin();
 125     // Add a tab height since we wish to draw to the bottom of the view.
 126     dc.DrawLine((tabX + GetWidth()), tabY,
 127       (tabX + GetWidth()), bottomY);
 128
 129     // Calculate the far-right of the view, since we don't wish to
 130     // draw inside that
 131     int rightOfView = m_view->GetViewRect().x + m_view->GetViewRect().width + 1;
 132
 133     // Draw the horizontal bit to connect to the view rectangle
 134     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY-1),
 135       (tabX + GetWidth()), (bottomY-1));
 136
 137     // Draw black line to emphasize shadow
 138     dc.SetPen(*wxBLACK_PEN);
 139     dc.DrawLine((tabX + GetWidth() + 1), (tabY+1),
 140       (tabX + GetWidth() + 1), bottomY);
 141
 142     // Draw the horizontal bit to connect to the view rectangle
 143     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY),
 144       (tabX + GetWidth() + 1), (bottomY));
 145   }
 146   else
 147   {
 148     if (lastInRow)
 149     {
 150       // 25/5/97 UNLESS it's less than the max number of positions in this row
 151
 152       int topY = m_view->GetViewRect().y - m_view->GetTopMargin();
 153
 154       int maxPositions = ((wxTabLayer *)m_view->GetLayers().Item(0)->GetData())->GetCount();
 155
 156       // Only down to the bottom of the tab, not to the top of the view
 157       if ( GetRowPosition() < (maxPositions - 1) )
 158         topY = tabY + GetHeight() + tabHeightInc;
 159
 160 #ifdef __WXMOTIF__
 161       topY -= 1;
 162 #endif
 163
 164       // Shadow
 165       dc.DrawLine((tabX + GetWidth()), tabY, (tabX + GetWidth()), topY);
 166       // Draw black line to emphasize shadow
 167       dc.SetPen(*wxBLACK_PEN);
 168       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 169          topY);
 170     }
 171     else
 172     {
 173       // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 174       // a bit if the tab below (and next col along) happens to be selected. Check.
 175       wxTabControl *tabBeneath = NULL;
 176       int subtractThis = 0;
 177       if (GetColPosition() > 0)
 178         tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition() + 1);
 179       if (tabBeneath && tabBeneath->IsSelected())
 180         subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 181
 182 #ifdef __WXMOTIF__
 183       subtractThis += 1;
 184 #endif
 185
 186       // Draw only to next tab down.
 187       dc.DrawLine((tabX + GetWidth()), tabY,
 188          (tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc - subtractThis));
 189
 190       // Draw black line to emphasize shadow
 191       dc.SetPen(*wxBLACK_PEN);
 192       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 193          (tabY + GetHeight() + tabHeightInc - subtractThis));
 194     }
 195   }
 196
 197   // Draw centered text
 198   int textY = tabY + m_view->GetVerticalTabTextSpacing() + tabHeightInc;
 199
 200   if (m_isSelected)
 201     dc.SetFont(* m_view->GetSelectedTabFont());
 202   else
 203     dc.SetFont(* GetFont());
 204
 205   wxColour col(m_view->GetTextColour());
 206   dc.SetTextForeground(col);
 207   dc.SetBackgroundMode(wxTRANSPARENT);
 208   wxCoord textWidth, textHeight;
 209   dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 210
 211   int textX = (int)(tabX + (GetWidth() - textWidth)/2.0);
 212   if (textX < (tabX + 2))
 213     textX = (tabX + 2);
 214
 215   dc.SetClippingRegion(tabX, tabY, GetWidth(), GetHeight());
 216   dc.DrawText(GetLabel(), textX, textY);
 217   dc.DestroyClippingRegion();
 218
 219   if (m_isSelected)
 220   {
 221     dc.SetPen(*m_view->GetHighlightPen());
 222
 223     // Draw white highlight from the tab's left side to the left hand edge of the view
 224     dc.DrawLine(m_view->GetViewRect().x, (tabY + GetHeight() + tabHeightInc),
 225      tabX, (tabY + GetHeight() + tabHeightInc));
 226
 227     // Draw white highlight from the tab's right side to the right hand edge of the view
 228     dc.DrawLine((tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc),
 229      m_view->GetViewRect().x + m_view->GetViewRect().width, (tabY + GetHeight() + tabHeightInc));
 230   }
 231 #else
 232     // New HEL version with rounder tabs
 233
 234     if (!m_view) return;
 235
 236     int tabInc   = 0;
 237     if (m_isSelected)
 238     {
 239         tabInc = m_view->GetTabSelectionHeight() - m_view->GetTabHeight();
 240     }
 241     int tabLeft  = GetX() + m_view->GetViewRect().x;
 242     int tabTop   = GetY() + m_view->GetViewRect().y - tabInc;
 243     int tabRight = tabLeft + m_view->GetTabWidth();
 244     int left     = m_view->GetViewRect().x;
 245     int top      = tabTop + m_view->GetTabHeight() + tabInc;
 246     int right    = left + m_view->GetViewRect().width;
 247     int bottom   = top + m_view->GetViewRect().height;
 248
 249     if (m_isSelected)
 250     {
 251         // TAB is selected - draw TAB and the View's full outline
 252
 253         dc.SetPen(*(m_view->GetHighlightPen()));
 254         wxPoint pnts[10];
 255         int n = 0;
 256         pnts[n].x = left;            pnts[n++].y = bottom;
 257         pnts[n].x = left;             pnts[n++].y = top;
 258         pnts[n].x = tabLeft;         pnts[n++].y = top;
 259         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 260         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 261         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 262         dc.DrawLines(n, pnts);
 263         if (!lastInRow)
 264         {
 265             dc.DrawLine(
 266                     (tabRight + 2),
 267                     top,
 268                     right,
 269                     top
 270                     );
 271         }
 272
 273         dc.SetPen(*(m_view->GetShadowPen()));
 274         dc.DrawLine(
 275                 tabRight,
 276                 tabTop + 2,
 277                 tabRight,
 278                 top
 279                 );
 280         dc.DrawLine(
 281                 right,
 282                 top,
 283                 right,
 284                 bottom
 285                 );
 286         dc.DrawLine(
 287                 right,
 288                 bottom,
 289                 left,
 290                 bottom
 291                 );
 292
 293         dc.SetPen(*wxBLACK_PEN);
 294         dc.DrawPoint(
 295                 tabRight,
 296                 tabTop + 1
 297                 );
 298         dc.DrawPoint(
 299                 tabRight + 1,
 300                 tabTop + 2
 301                 );
 302         if (lastInRow)
 303         {
 304             dc.DrawLine(
 305                 tabRight + 1,
 306                 bottom,
 307                 tabRight + 1,
 308                 tabTop + 1
 309                 );
 310         }
 311         else
 312         {
 313             dc.DrawLine(
 314                 tabRight + 1,
 315                 tabTop + 2,
 316                 tabRight + 1,
 317                 top
 318                 );
 319             dc.DrawLine(
 320                 right + 1,
 321                 top,
 322                 right + 1,
 323                 bottom + 1
 324                 );
 325         }
 326         dc.DrawLine(
 327                 right + 1,
 328                 bottom + 1,
 329                 left + 1,
 330                 bottom + 1
 331                 );
 332     }
 333     else
 334     {
 335         // TAB is not selected - just draw TAB outline and RH edge
 336         // if the TAB is the last in the row
 337
 338         int maxPositions = ((wxTabLayer*)m_view->GetLayers().Item(0)->GetData())->GetCount();
 339         wxTabControl* tabBelow = 0;
 340         wxTabControl* tabBelowRight = 0;
 341         if (GetColPosition() > 0)
 342         {
 343             tabBelow = m_view->FindTabControlForPosition(
 344                         GetColPosition() - 1,
 345                         GetRowPosition()
 346                         );
 347         }
 348         if (!lastInRow && GetColPosition() > 0)
 349         {
 350             tabBelowRight = m_view->FindTabControlForPosition(
 351                         GetColPosition() - 1,
 352                         GetRowPosition() + 1
 353                         );
 354         }
 355
 356         float raisedTop = top - m_view->GetTabSelectionHeight() +
 357                             m_view->GetTabHeight();
 358
 359         dc.SetPen(*(m_view->GetHighlightPen()));
 360         wxPoint pnts[10];
 361         int n = 0;
 362
 363         pnts[n].x = tabLeft;
 364
 365         if (tabBelow && tabBelow->IsSelected())
 366         {
 367             pnts[n++].y = (long)raisedTop;
 368         }
 369         else
 370         {
 371             pnts[n++].y = top;
 372         }
 373         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 374         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 375         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 376         dc.DrawLines(n, pnts);
 377
 378         dc.SetPen(*(m_view->GetShadowPen()));
 379         if (GetRowPosition() >= maxPositions - 1)
 380         {
 381             dc.DrawLine(
 382                     tabRight,
 383                     (tabTop + 2),
 384                     tabRight,
 385                     bottom
 386                     );
 387             dc.DrawLine(
 388                     tabRight,
 389                     bottom,
 390                     (tabRight - m_view->GetHorizontalTabOffset()),
 391                     bottom
 392                     );
 393         }
 394         else
 395         {
 396             if (tabBelowRight && tabBelowRight->IsSelected())
 397             {
 398                 dc.DrawLine(
 399                         tabRight,
 400                         (long)raisedTop,
 401                         tabRight,
 402                         tabTop + 1
 403                         );
 404             }
 405             else
 406             {
 407                 dc.DrawLine(
 408                         tabRight,
 409                         top - 1,
 410                         tabRight,
 411                         tabTop + 1
 412                         );
 413             }
 414         }
 415
 416         dc.SetPen(*wxBLACK_PEN);
 417         dc.DrawPoint(
 418                 tabRight,
 419                 tabTop + 1
 420                 );
 421         dc.DrawPoint(
 422                 tabRight + 1,
 423                 tabTop + 2
 424                 );
 425         if (GetRowPosition() >= maxPositions - 1)
 426         {
 427             // draw right hand edge to bottom of view
 428             dc.DrawLine(
 429                     tabRight + 1,
 430                     bottom + 1,
 431                     tabRight + 1,
 432                     tabTop + 2
 433                     );
 434             dc.DrawLine(
 435                     tabRight + 1,
 436                     bottom + 1,
 437                     (tabRight - m_view->GetHorizontalTabOffset()),
 438                     bottom + 1
 439                     );
 440         }
 441         else
 442         {
 443             // draw right hand edge of TAB
 444             if (tabBelowRight && tabBelowRight->IsSelected())
 445             {
 446                 dc.DrawLine(
 447                         tabRight + 1,
 448                         (long)(raisedTop - 1),
 449                         tabRight + 1,
 450                         tabTop + 2
 451                         );
 452             }
 453             else
 454             {
 455                 dc.DrawLine(
 456                         tabRight + 1,
 457                         top - 1,
 458                         tabRight + 1,
 459                         tabTop + 2
 460                         );
 461             }
 462         }
 463     }
 464
 465     // Draw centered text
 466     dc.SetPen(*wxBLACK_PEN);
 467     if (m_isSelected)
 468     {
 469         dc.SetFont(*(m_view->GetSelectedTabFont()));
 470     }
 471     else
 472     {
 473         dc.SetFont(*(GetFont()));
 474     }
 475
 476     wxColour col(m_view->GetTextColour());
 477     dc.SetTextForeground(col);
 478     dc.SetBackgroundMode(wxTRANSPARENT);
 479     long textWidth, textHeight;
 480     dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 481
 482     float textX = (tabLeft + tabRight - textWidth) / 2;
 483     float textY = (tabInc + tabTop + m_view->GetVerticalTabTextSpacing());
 484
 485     dc.DrawText(GetLabel(), (long)textX, (long)textY);
 486 #endif
 487 }
 488
 489 bool wxTabControl::HitTest(int x, int y) const
 490 {
 491   // Top-left of tab control
 492   int tabX1 = GetX() + m_view->GetViewRect().x;
 493   int tabY1 = GetY() + m_view->GetViewRect().y;
 494
 495   // Bottom-right
 496   int tabX2 = tabX1 + GetWidth();
 497   int tabY2 = tabY1 + GetHeight();
 498
 499   if (x >= tabX1 && y >= tabY1 && x <= tabX2 && y <= tabY2)
 500     return true;
 501   else
 502     return false;
 503 }
 504
 505 IMPLEMENT_DYNAMIC_CLASS(wxTabView, wxObject)
 506
 507 wxTabView::wxTabView(long style)
 508 {
 509   m_noTabs = 0;
 510   m_tabStyle = style;
 511   m_tabSelection = -1;
 512   m_tabHeight = 20;
 513   m_tabSelectionHeight = m_tabHeight + 2;
 514   m_tabWidth = 80;
 515   m_tabHorizontalOffset = 10;
 516   m_tabHorizontalSpacing = 2;
 517   m_tabVerticalTextSpacing = 3;
 518   m_topMargin = 5;
 519   m_tabViewRect.x = 20;
 520   m_tabViewRect.y = 20;
 521   m_tabViewRect.width = 300;
 522   m_tabViewRect.x = 300;
 523   m_highlightColour = *wxWHITE;
 524   m_shadowColour = wxColour(128, 128, 128);
 525   // m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 526   m_textColour = *wxBLACK;
 527   m_highlightPen = wxWHITE_PEN;
 528   m_shadowPen = wxGREY_PEN;
 529   // SetBackgroundColour(m_backgroundColour);
 530   m_tabFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 531   m_tabSelectedFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 532   m_window = (wxWindow *) NULL;
 533 }
 534
 535 wxTabView::~wxTabView()
 536 {
 537   ClearTabs(true);
 538 }
 539
 540 // Automatically positions tabs
 541 // TODO: this should just add the tab to a list, and then
 542 // a layout function (e.g. Realize) should be called when all tabs have been added.
 543 // The view rect could easily change as the view window is resized.
 544 wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
 545 {
 546   // First, find which layer we should be adding to.
 547   wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 548   if (!node)
 549   {
 550     wxTabLayer *newLayer = new wxTabLayer;
 551     node = m_layers.Append(newLayer);
 552   }
 553   // Check if adding another tab control would go off the
 554   // right-hand edge of the layer.
 555   wxTabLayer *tabLayer = (wxTabLayer *)node->GetData();
 556   wxList::compatibility_iterator lastTabNode = tabLayer->GetLast();
 557   if (lastTabNode)
 558   {
 559     wxTabControl *lastTab = (wxTabControl *)lastTabNode->GetData();
 560     // Start another layer (row).
 561     // Tricky choice: can't just check if will be overlapping the edge, because
 562     // this happens anyway for 2nd and subsequent rows.
 563     // Should check this for 1st row, and then subsequent rows should not exceed 1st
 564     // in length.
 565     if (((tabLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 566               > GetViewRect().width)) ||
 567         ((tabLayer != m_layers.GetFirst()->GetData()) && (tabLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 568     {
 569       tabLayer = new wxTabLayer;
 570       m_layers.Append(tabLayer);
 571       lastTabNode = wxList::compatibility_iterator();
 572     }
 573   }
 574   int layer = m_layers.GetCount() - 1;
 575
 576   wxTabControl *tabControl = existingTab;
 577   if (!existingTab)
 578     tabControl = OnCreateTabControl();
 579   tabControl->SetRowPosition(tabLayer->GetCount());
 580   tabControl->SetColPosition(layer);
 581
 582   wxTabControl *lastTab = (wxTabControl *) NULL;
 583   if (lastTabNode)
 584     lastTab = (wxTabControl *)lastTabNode->GetData();
 585
 586   // Top of new tab
 587   int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 588   // Offset from view top-left
 589   int horizontalOffset = 0;
 590   if (!lastTab)
 591     horizontalOffset = layer*GetHorizontalTabOffset();
 592   else
 593     horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 594
 595   tabControl->SetPosition(horizontalOffset, verticalOffset);
 596   tabControl->SetSize(GetTabWidth(), GetTabHeight());
 597   tabControl->SetId(id);
 598   tabControl->SetLabel(label);
 599   tabControl->SetFont(* GetTabFont());
 600
 601   tabLayer->Append(tabControl);
 602   m_noTabs ++;
 603
 604   return tabControl;
 605 }
 606
 607 // Remove the tab without deleting the window
 608 bool wxTabView::RemoveTab(int id)
 609 {
 610   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 611   while (layerNode)
 612   {
 613     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 614     wxList::compatibility_iterator tabNode = layer->GetFirst();
 615     while (tabNode)
 616     {
 617       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 618       if (tab->GetId() == id)
 619       {
 620         if (id == m_tabSelection)
 621           m_tabSelection = -1;
 622         delete tab;
 623         layer->Erase(tabNode);
 624         m_noTabs --;
 625
 626         // The layout has changed
 627         LayoutTabs();
 628         return true;
 629       }
 630       tabNode = tabNode->GetNext();
 631     }
 632     layerNode = layerNode->GetNext();
 633   }
 634   return false;
 635 }
 636
 637 bool wxTabView::SetTabText(int id, const wxString& label)
 638 {
 639     wxTabControl* control = FindTabControlForId(id);
 640     if (!control)
 641       return false;
 642     control->SetLabel(label);
 643     return true;
 644 }
 645
 646 wxString wxTabView::GetTabText(int id) const
 647 {
 648     wxTabControl* control = FindTabControlForId(id);
 649     if (!control)
 650       return wxEmptyString;
 651     else
 652       return control->GetLabel();
 653 }
 654
 655 // Returns the total height of the tabs component -- this may be several
 656 // times the height of a tab, if there are several tab layers (rows).
 657 int wxTabView::GetTotalTabHeight()
 658 {
 659   int minY = 0;
 660
 661   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 662   while (layerNode)
 663   {
 664     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 665     wxList::compatibility_iterator tabNode = layer->GetFirst();
 666     while (tabNode)
 667     {
 668       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 669
 670       if (tab->GetY() < minY)
 671         minY = tab->GetY();
 672
 673       tabNode = tabNode->GetNext();
 674     }
 675     layerNode = layerNode->GetNext();
 676   }
 677
 678   return - minY;
 679 }
 680
 681 void wxTabView::ClearTabs(bool deleteTabs)
 682 {
 683   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 684   while (layerNode)
 685   {
 686     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 687     wxList::compatibility_iterator tabNode = layer->GetFirst();
 688     while (tabNode)
 689     {
 690       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 691       if (deleteTabs)
 692         delete tab;
 693       wxList::compatibility_iterator next = tabNode->GetNext();
 694       layer->Erase(tabNode);
 695       tabNode = next;
 696     }
 697     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 698     delete layer;
 699     m_layers.Erase(layerNode);
 700     layerNode = nextLayerNode;
 701   }
 702   m_noTabs = 0;
 703   m_tabSelection = -1;
 704 }
 705
 706
 707 // Layout tabs (optional, e.g. if resizing window)
 708 void wxTabView::LayoutTabs(void)
 709 {
 710   // Make a list of the tab controls, deleting the wxTabLayers.
 711   wxList controls;
 712
 713   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 714   while (layerNode)
 715   {
 716     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 717     wxList::compatibility_iterator tabNode = layer->GetFirst();
 718     while (tabNode)
 719     {
 720       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 721       controls.Append(tab);
 722       wxList::compatibility_iterator next = tabNode->GetNext();
 723       layer->Erase(tabNode);
 724       tabNode = next;
 725     }
 726     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 727     delete layer;
 728     m_layers.Erase(layerNode);
 729     layerNode = nextLayerNode;
 730   }
 731
 732   wxTabControl *lastTab = (wxTabControl *) NULL;
 733
 734   wxTabLayer *currentLayer = new wxTabLayer;
 735   m_layers.Append(currentLayer);
 736
 737   wxList::compatibility_iterator node = controls.GetFirst();
 738   while (node)
 739   {
 740     wxTabControl *tabControl = (wxTabControl *)node->GetData();
 741     if (lastTab)
 742     {
 743       // Start another layer (row).
 744       // Tricky choice: can't just check if will be overlapping the edge, because
 745       // this happens anyway for 2nd and subsequent rows.
 746       // Should check this for 1st row, and then subsequent rows should not exceed 1st
 747       // in length.
 748       if (((currentLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 749                 > GetViewRect().width)) ||
 750           ((currentLayer != m_layers.GetFirst()->GetData()) && (currentLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 751      {
 752        currentLayer = new wxTabLayer;
 753        m_layers.Append(currentLayer);
 754        lastTab = (wxTabControl *) NULL;
 755      }
 756     }
 757
 758     int layer = m_layers.GetCount() - 1;
 759
 760     tabControl->SetRowPosition(currentLayer->GetCount());
 761     tabControl->SetColPosition(layer);
 762
 763     // Top of new tab
 764     int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 765     // Offset from view top-left
 766     int horizontalOffset = 0;
 767     if (!lastTab)
 768       horizontalOffset = layer*GetHorizontalTabOffset();
 769     else
 770       horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 771
 772     tabControl->SetPosition(horizontalOffset, verticalOffset);
 773     tabControl->SetSize(GetTabWidth(), GetTabHeight());
 774
 775     currentLayer->Append(tabControl);
 776     lastTab = tabControl;
 777
 778     node = node->GetNext();
 779   }
 780
 781   // Move the selected tab to the bottom
 782   wxTabControl *control = FindTabControlForId(m_tabSelection);
 783   if (control)
 784     MoveSelectionTab(control);
 785
 786 }
 787
 788 // Draw all tabs
 789 void wxTabView::Draw(wxDC& dc)
 790 {
 791         // Don't draw anything if there are no tabs.
 792         if (GetNumberOfTabs() == 0)
 793           return;
 794
 795     // Draw top margin area (beneath tabs and above view area)
 796     if (GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
 797     {
 798         dc.SetPen(*wxTRANSPARENT_PEN);
 799         if(GetBackgroundBrush())
 800             dc.SetBrush(*GetBackgroundBrush());
 801
 802         // Add 1 because the pen is transparent. Under Motif, may be different.
 803         dc.DrawRectangle(
 804                 m_tabViewRect.x,
 805                 (m_tabViewRect.y - m_topMargin),
 806                 (m_tabViewRect.width + 1),
 807                 (m_topMargin + 1)
 808                 );
 809     }
 810
 811     // Draw layers in reverse order
 812     wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 813     while (node)
 814     {
 815         wxTabLayer *layer = (wxTabLayer *)node->GetData();
 816         wxList::compatibility_iterator node2 = layer->GetFirst();
 817         while (node2)
 818         {
 819             wxTabControl *control = (wxTabControl *)node2->GetData();
 820             control->OnDraw(dc, (!node2->GetNext()));
 821             node2 = node2->GetNext();
 822         }
 823
 824         node = node->GetPrevious();
 825     }
 826
 827
 828 #ifndef wxUSE_NEW_METHOD
 829     if (GetTabStyle() & wxTAB_STYLE_DRAW_BOX)
 830     {
 831         dc.SetPen(* GetShadowPen());
 832
 833         // Draw bottom line
 834         dc.DrawLine(
 835                 (GetViewRect().x + 1),
 836                 (GetViewRect().y + GetViewRect().height),
 837                 (GetViewRect().x + GetViewRect().width + 1),
 838                 (GetViewRect().y + GetViewRect().height)
 839                 );
 840
 841         // Draw right line
 842         dc.DrawLine(
 843                 (GetViewRect().x + GetViewRect().width),
 844                 (GetViewRect().y - GetTopMargin() + 1),
 845                 (GetViewRect().x + GetViewRect().width),
 846                 (GetViewRect().y + GetViewRect().height)
 847                 );
 848
 849         dc.SetPen(* wxBLACK_PEN);
 850
 851         // Draw bottom line
 852         dc.DrawLine(
 853                 (GetViewRect().x),
 854                 (GetViewRect().y + GetViewRect().height + 1),
 855 #if defined(__WXMOTIF__)
 856                 (GetViewRect().x + GetViewRect().width + 1),
 857 #else
 858                 (GetViewRect().x + GetViewRect().width + 2),
 859 #endif
 860
 861                 (GetViewRect().y + GetViewRect().height + 1)
 862                 );
 863
 864         // Draw right line
 865         dc.DrawLine(
 866                 (GetViewRect().x + GetViewRect().width + 1),
 867                 (GetViewRect().y - GetTopMargin()),
 868                 (GetViewRect().x + GetViewRect().width + 1),
 869                 (GetViewRect().y + GetViewRect().height + 1)
 870                 );
 871     }
 872 #endif
 873 }
 874
 875 // Process mouse event, return false if we didn't process it
 876 bool wxTabView::OnEvent(wxMouseEvent& event)
 877 {
 878   if (!event.LeftDown())
 879     return false;
 880
 881   wxCoord x, y;
 882   event.GetPosition(&x, &y);
 883
 884   wxTabControl *hitControl = (wxTabControl *) NULL;
 885
 886   wxTabLayerList::compatibility_iterator node = m_layers.GetFirst();
 887   while (node)
 888   {
 889     wxTabLayer *layer = (wxTabLayer *)node->GetData();
 890     wxList::compatibility_iterator node2 = layer->GetFirst();
 891     while (node2)
 892     {
 893       wxTabControl *control = (wxTabControl *)node2->GetData();
 894       if (control->HitTest((int)x, (int)y))
 895       {
 896         hitControl = control;
 897         node = wxTabLayerList::compatibility_iterator();
 898         node2 = wxList::compatibility_iterator();
 899       }
 900       else
 901         node2 = node2->GetNext();
 902     }
 903
 904     if (node)
 905       node = node->GetNext();
 906   }
 907
 908   if (!hitControl)
 909     return false;
 910
 911   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 912
 913   if (hitControl == currentTab)
 914     return false;
 915
 916   ChangeTab(hitControl);
 917
 918   return true;
 919 }
 920
 921 bool wxTabView::ChangeTab(wxTabControl *control)
 922 {
 923   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 924   int oldTab = -1;
 925   if (currentTab)
 926     oldTab = currentTab->GetId();
 927
 928   if (control == currentTab)
 929     return true;
 930
 931   if (m_layers.GetCount() == 0)
 932     return false;
 933
 934   if (!OnTabPreActivate(control->GetId(), oldTab))
 935     return false;
 936
 937   // Move the tab to the bottom
 938   MoveSelectionTab(control);
 939
 940   if (currentTab)
 941     currentTab->SetSelected(false);
 942
 943   control->SetSelected(true);
 944   m_tabSelection = control->GetId();
 945
 946   OnTabActivate(control->GetId(), oldTab);
 947
 948   // Leave window refresh for the implementing window
 949
 950   return true;
 951 }
 952
 953 // Move the selected tab to the bottom layer, if necessary,
 954 // without calling app activation code
 955 bool wxTabView::MoveSelectionTab(wxTabControl *control)
 956 {
 957   if (m_layers.GetCount() == 0)
 958     return false;
 959
 960   wxTabLayer *firstLayer = (wxTabLayer *)m_layers.GetFirst()->GetData();
 961
 962   // Find what column this tab is at, so we can swap with the one at the bottom.
 963   // If we're on the bottom layer, then no need to swap.
 964   if (!firstLayer->Member(control))
 965   {
 966     // Do a swap
 967     int col = 0;
 968     wxList::compatibility_iterator thisNode = FindTabNodeAndColumn(control, &col);
 969     if (!thisNode)
 970       return false;
 971     wxList::compatibility_iterator otherNode = firstLayer->Item(col);
 972     if (!otherNode)
 973       return false;
 974
 975     // If this is already in the bottom layer, return now
 976     if (otherNode == thisNode)
 977       return true;
 978
 979     wxTabControl *otherTab = (wxTabControl *)otherNode->GetData();
 980
 981     // We now have pointers to the tab to be changed to,
 982     // and the tab on the first layer. Swap tab structures and
 983     // position details.
 984
 985     int thisX = control->GetX();
 986     int thisY = control->GetY();
 987     int thisColPos = control->GetColPosition();
 988     int otherX = otherTab->GetX();
 989     int otherY = otherTab->GetY();
 990     int otherColPos = otherTab->GetColPosition();
 991
 992     control->SetPosition(otherX, otherY);
 993     control->SetColPosition(otherColPos);
 994     otherTab->SetPosition(thisX, thisY);
 995     otherTab->SetColPosition(thisColPos);
 996
 997     // Swap the data for the nodes
 998     thisNode->SetData(otherTab);
 999     otherNode->SetData(control);
1000   }
1001   return true;
1002 }
1003
1004 // Called when a tab is activated
1005 void wxTabView::OnTabActivate(int /*activateId*/, int /*deactivateId*/)
1006 {
1007 }
1008
1009 void wxTabView::SetHighlightColour(const wxColour& col)
1010 {
1011   m_highlightColour = col;
1012   m_highlightPen = wxThePenList->FindOrCreatePen(col);
1013 }
1014
1015 void wxTabView::SetShadowColour(const wxColour& col)
1016 {
1017   m_shadowColour = col;
1018   m_shadowPen = wxThePenList->FindOrCreatePen(col);
1019 }
1020
1021 void wxTabView::SetBackgroundColour(const wxColour& col)
1022 {
1023   m_backgroundColour = col;
1024   m_backgroundPen = wxThePenList->FindOrCreatePen(col);
1025   m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col);
1026 }
1027
1028 // this may be called with sel = zero (which doesn't match any page)
1029 // when wxMotif deletes a page
1030 // so return the first tab...
1031
1032 void wxTabView::SetTabSelection(int sel, bool activateTool)
1033 {
1034   if ( sel==m_tabSelection )
1035     return;
1036
1037   int oldSel = m_tabSelection;
1038   wxTabControl *control = FindTabControlForId(sel);
1039   if (sel == 0) sel=control->GetId();
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 // this may be called with zero (which doesn't match any page)
1067 // so return the first control...
1068 wxTabControl *wxTabView::FindTabControlForId(int id) const
1069 {
1070   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1071   while (node1)
1072   {
1073     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1074     wxList::compatibility_iterator node2 = layer->GetFirst();
1075     while (node2)
1076     {
1077       wxTabControl *control = (wxTabControl *)node2->GetData();
1078       if (control->GetId() == id || id == 0)
1079         return control;
1080       node2 = node2->GetNext();
1081     }
1082     node1 = node1->GetNext();
1083   }
1084   return (wxTabControl *) NULL;
1085 }
1086
1087 // Find tab control for layer, position (starting from zero)
1088 wxTabControl *wxTabView::FindTabControlForPosition(int layer, int position) const
1089 {
1090   wxTabLayerList::compatibility_iterator node1 = m_layers.Item(layer);
1091   if (!node1)
1092     return (wxTabControl *) NULL;
1093   wxTabLayer *tabLayer = (wxTabLayer *)node1->GetData();
1094   wxList::compatibility_iterator node2 = tabLayer->Item(position);
1095   if (!node2)
1096     return (wxTabControl *) NULL;
1097   return (wxTabControl *)node2->GetData();
1098 }
1099
1100 // Find the node and the column at which this control is positioned.
1101 wxList::compatibility_iterator wxTabView::FindTabNodeAndColumn(wxTabControl *control, int *col) const
1102 {
1103   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1104   while (node1)
1105   {
1106     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1107     int c = 0;
1108     wxList::compatibility_iterator node2 = layer->GetFirst();
1109     while (node2)
1110     {
1111       wxTabControl *cnt = (wxTabControl *)node2->GetData();
1112       if (cnt == control)
1113       {
1114         *col = c;
1115         return node2;
1116       }
1117       node2 = node2->GetNext();
1118       c ++;
1119     }
1120     node1 = node1->GetNext();
1121   }
1122   return wxList::compatibility_iterator();
1123 }
1124
1125 int wxTabView::CalculateTabWidth(int noTabs, bool adjustView)
1126 {
1127   m_tabWidth = (int)((m_tabViewRect.width - ((noTabs - 1)*GetHorizontalTabSpacing()))/noTabs);
1128   if (adjustView)
1129   {
1130     m_tabViewRect.width = noTabs*m_tabWidth + ((noTabs-1)*GetHorizontalTabSpacing());
1131   }
1132   return m_tabWidth;
1133 }
1134
1135 /*
1136  * wxTabbedDialog
1137  */
1138
1139 IMPLEMENT_CLASS(wxTabbedDialog, wxDialog)
1140
1141 BEGIN_EVENT_TABLE(wxTabbedDialog, wxDialog)
1142     EVT_CLOSE(wxTabbedDialog::OnCloseWindow)
1143     EVT_MOUSE_EVENTS(wxTabbedDialog::OnMouseEvent)
1144     EVT_PAINT(wxTabbedDialog::OnPaint)
1145 END_EVENT_TABLE()
1146
1147 wxTabbedDialog::wxTabbedDialog(wxWindow *parent, wxWindowID id,
1148     const wxString& title,
1149     const wxPoint& pos, const wxSize& size,
1150     long windowStyle, const wxString& name):
1151    wxDialog(parent, id, title, pos, size, windowStyle, name)
1152 {
1153   m_tabView = (wxTabView *) NULL;
1154 }
1155
1156 wxTabbedDialog::~wxTabbedDialog(void)
1157 {
1158   if (m_tabView)
1159     delete m_tabView;
1160 }
1161
1162 void wxTabbedDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event) )
1163 {
1164   Destroy();
1165 }
1166
1167 void wxTabbedDialog::OnMouseEvent(wxMouseEvent& event )
1168 {
1169   if (m_tabView)
1170     m_tabView->OnEvent(event);
1171 }
1172
1173 void wxTabbedDialog::OnPaint(wxPaintEvent& WXUNUSED(event) )
1174 {
1175     wxPaintDC dc(this);
1176     if (m_tabView)
1177         m_tabView->Draw(dc);
1178 }
1179
1180 /*
1181  * wxTabbedPanel
1182  */
1183
1184 IMPLEMENT_CLASS(wxTabbedPanel, wxPanel)
1185
1186 BEGIN_EVENT_TABLE(wxTabbedPanel, wxPanel)
1187     EVT_MOUSE_EVENTS(wxTabbedPanel::OnMouseEvent)
1188     EVT_PAINT(wxTabbedPanel::OnPaint)
1189 END_EVENT_TABLE()
1190
1191 wxTabbedPanel::wxTabbedPanel(wxWindow *parent, wxWindowID id, const wxPoint& pos,
1192    const wxSize& size, long windowStyle, const wxString& name):
1193    wxPanel(parent, id, pos, size, windowStyle, name)
1194 {
1195   m_tabView = (wxTabView *) NULL;
1196 }
1197
1198 wxTabbedPanel::~wxTabbedPanel(void)
1199 {
1200   delete m_tabView;
1201 }
1202
1203 void wxTabbedPanel::OnMouseEvent(wxMouseEvent& event)
1204 {
1205   if (m_tabView)
1206     m_tabView->OnEvent(event);
1207 }
1208
1209 void wxTabbedPanel::OnPaint(wxPaintEvent& WXUNUSED(event) )
1210 {
1211     wxPaintDC dc(this);
1212     if (m_tabView)
1213         m_tabView->Draw(dc);
1214 }
1215
1216 /*
1217  * wxPanelTabView
1218  */
1219
1220 IMPLEMENT_CLASS(wxPanelTabView, wxTabView)
1221
1222 wxPanelTabView::wxPanelTabView(wxPanel *pan, long style)
1223     : wxTabView(style)
1224 {
1225   m_panel = pan;
1226   m_currentWindow = (wxWindow *) NULL;
1227
1228   if (m_panel->IsKindOf(CLASSINFO(wxTabbedDialog)))
1229     ((wxTabbedDialog *)m_panel)->SetTabView(this);
1230   else if (m_panel->IsKindOf(CLASSINFO(wxTabbedPanel)))
1231     ((wxTabbedPanel *)m_panel)->SetTabView(this);
1232
1233   SetWindow(m_panel);
1234 }
1235
1236 wxPanelTabView::~wxPanelTabView(void)
1237 {
1238   ClearWindows(true);
1239 }
1240
1241 // Called when a tab is activated
1242 void wxPanelTabView::OnTabActivate(int activateId, int deactivateId)
1243 {
1244   if (!m_panel)
1245     return;
1246
1247   wxWindow *oldWindow = ((deactivateId == -1) ? 0 : GetTabWindow(deactivateId));
1248   wxWindow *newWindow = GetTabWindow(activateId);
1249
1250   if (oldWindow)
1251     oldWindow->Show(false);
1252   if (newWindow)
1253     newWindow->Show(true);
1254
1255   m_panel->Refresh();
1256 }
1257
1258
1259 void wxPanelTabView::AddTabWindow(int id, wxWindow *window)
1260 {
1261   wxASSERT(m_tabWindows.find(id) == m_tabWindows.end());
1262   m_tabWindows[id] = window;
1263   window->Show(false);
1264 }
1265
1266 wxWindow *wxPanelTabView::GetTabWindow(int id) const
1267 {
1268   wxIntToWindowHashMap::const_iterator it = m_tabWindows.find(id);
1269   return it == m_tabWindows.end() ? NULL : it->second;
1270 }
1271
1272 void wxPanelTabView::ClearWindows(bool deleteWindows)
1273 {
1274   if (deleteWindows)
1275     WX_CLEAR_HASH_MAP(wxIntToWindowHashMap, m_tabWindows);
1276   m_tabWindows.clear();
1277 }
1278
1279 void wxPanelTabView::ShowWindowForTab(int id)
1280 {
1281   wxWindow *newWindow = GetTabWindow(id);
1282   if (newWindow == m_currentWindow)
1283     return;
1284   if (m_currentWindow)
1285     m_currentWindow->Show(false);
1286   newWindow->Show(true);
1287   newWindow->Refresh();
1288 }
1289