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
  35 #include "wx/math.h"
  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 = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 531   m_textColour = *wxBLACK;
 532   m_highlightPen = wxWHITE_PEN;
 533   m_shadowPen = wxGREY_PEN;
 534   SetBackgroundColour(m_backgroundColour);
 535   m_tabFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 536   m_tabSelectedFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 537   m_window = (wxWindow *) NULL;
 538 }
 539
 540 wxTabView::~wxTabView()
 541 {
 542   ClearTabs(true);
 543 }
 544
 545 // Automatically positions tabs
 546 // TODO: this should just add the tab to a list, and then
 547 // a layout function (e.g. Realize) should be called when all tabs have been added.
 548 // The view rect could easily change as the view window is resized.
 549 wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
 550 {
 551   // First, find which layer we should be adding to.
 552   wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 553   if (!node)
 554   {
 555     wxTabLayer *newLayer = new wxTabLayer;
 556     node = m_layers.Append(newLayer);
 557   }
 558   // Check if adding another tab control would go off the
 559   // right-hand edge of the layer.
 560   wxTabLayer *tabLayer = (wxTabLayer *)node->GetData();
 561   wxList::compatibility_iterator lastTabNode = tabLayer->GetLast();
 562   if (lastTabNode)
 563   {
 564     wxTabControl *lastTab = (wxTabControl *)lastTabNode->GetData();
 565     // Start another layer (row).
 566     // Tricky choice: can't just check if will be overlapping the edge, because
 567     // this happens anyway for 2nd and subsequent rows.
 568     // Should check this for 1st row, and then subsequent rows should not exceed 1st
 569     // in length.
 570     if (((tabLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 571               > GetViewRect().width)) ||
 572         ((tabLayer != m_layers.GetFirst()->GetData()) && (tabLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 573     {
 574       tabLayer = new wxTabLayer;
 575       m_layers.Append(tabLayer);
 576       lastTabNode = wxList::compatibility_iterator();
 577     }
 578   }
 579   int layer = m_layers.GetCount() - 1;
 580
 581   wxTabControl *tabControl = existingTab;
 582   if (!existingTab)
 583     tabControl = OnCreateTabControl();
 584   tabControl->SetRowPosition(tabLayer->GetCount());
 585   tabControl->SetColPosition(layer);
 586
 587   wxTabControl *lastTab = (wxTabControl *) NULL;
 588   if (lastTabNode)
 589     lastTab = (wxTabControl *)lastTabNode->GetData();
 590
 591   // Top of new tab
 592   int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 593   // Offset from view top-left
 594   int horizontalOffset = 0;
 595   if (!lastTab)
 596     horizontalOffset = layer*GetHorizontalTabOffset();
 597   else
 598     horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 599
 600   tabControl->SetPosition(horizontalOffset, verticalOffset);
 601   tabControl->SetSize(GetTabWidth(), GetTabHeight());
 602   tabControl->SetId(id);
 603   tabControl->SetLabel(label);
 604   tabControl->SetFont(* GetTabFont());
 605
 606   tabLayer->Append(tabControl);
 607   m_noTabs ++;
 608
 609   return tabControl;
 610 }
 611
 612 // Remove the tab without deleting the window
 613 bool wxTabView::RemoveTab(int id)
 614 {
 615   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 616   while (layerNode)
 617   {
 618     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 619     wxList::compatibility_iterator tabNode = layer->GetFirst();
 620     while (tabNode)
 621     {
 622       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 623       if (tab->GetId() == id)
 624       {
 625         if (id == m_tabSelection)
 626           m_tabSelection = -1;
 627         delete tab;
 628         layer->Erase(tabNode);
 629         m_noTabs --;
 630
 631         // The layout has changed
 632         LayoutTabs();
 633         return true;
 634       }
 635       tabNode = tabNode->GetNext();
 636     }
 637     layerNode = layerNode->GetNext();
 638   }
 639   return false;
 640 }
 641
 642 bool wxTabView::SetTabText(int id, const wxString& label)
 643 {
 644     wxTabControl* control = FindTabControlForId(id);
 645     if (!control)
 646       return false;
 647     control->SetLabel(label);
 648     return true;
 649 }
 650
 651 wxString wxTabView::GetTabText(int id) const
 652 {
 653     wxTabControl* control = FindTabControlForId(id);
 654     if (!control)
 655       return wxEmptyString;
 656     else
 657       return control->GetLabel();
 658 }
 659
 660 // Returns the total height of the tabs component -- this may be several
 661 // times the height of a tab, if there are several tab layers (rows).
 662 int wxTabView::GetTotalTabHeight()
 663 {
 664   int minY = 0;
 665
 666   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 667   while (layerNode)
 668   {
 669     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 670     wxList::compatibility_iterator tabNode = layer->GetFirst();
 671     while (tabNode)
 672     {
 673       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 674
 675       if (tab->GetY() < minY)
 676         minY = tab->GetY();
 677
 678       tabNode = tabNode->GetNext();
 679     }
 680     layerNode = layerNode->GetNext();
 681   }
 682
 683   return - minY;
 684 }
 685
 686 void wxTabView::ClearTabs(bool deleteTabs)
 687 {
 688   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 689   while (layerNode)
 690   {
 691     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 692     wxList::compatibility_iterator tabNode = layer->GetFirst();
 693     while (tabNode)
 694     {
 695       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 696       if (deleteTabs)
 697         delete tab;
 698       wxList::compatibility_iterator next = tabNode->GetNext();
 699       layer->Erase(tabNode);
 700       tabNode = next;
 701     }
 702     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 703     delete layer;
 704     m_layers.Erase(layerNode);
 705     layerNode = nextLayerNode;
 706   }
 707   m_noTabs = 0;
 708   m_tabSelection = -1;
 709 }
 710
 711
 712 // Layout tabs (optional, e.g. if resizing window)
 713 void wxTabView::LayoutTabs(void)
 714 {
 715   // Make a list of the tab controls, deleting the wxTabLayers.
 716   wxList controls;
 717
 718   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 719   while (layerNode)
 720   {
 721     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 722     wxList::compatibility_iterator tabNode = layer->GetFirst();
 723     while (tabNode)
 724     {
 725       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 726       controls.Append(tab);
 727       wxList::compatibility_iterator next = tabNode->GetNext();
 728       layer->Erase(tabNode);
 729       tabNode = next;
 730     }
 731     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 732     delete layer;
 733     m_layers.Erase(layerNode);
 734     layerNode = nextLayerNode;
 735   }
 736
 737   wxTabControl *lastTab = (wxTabControl *) NULL;
 738
 739   wxTabLayer *currentLayer = new wxTabLayer;
 740   m_layers.Append(currentLayer);
 741
 742   wxList::compatibility_iterator node = controls.GetFirst();
 743   while (node)
 744   {
 745     wxTabControl *tabControl = (wxTabControl *)node->GetData();
 746     if (lastTab)
 747     {
 748       // Start another layer (row).
 749       // Tricky choice: can't just check if will be overlapping the edge, because
 750       // this happens anyway for 2nd and subsequent rows.
 751       // Should check this for 1st row, and then subsequent rows should not exceed 1st
 752       // in length.
 753       if (((currentLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 754                 > GetViewRect().width)) ||
 755           ((currentLayer != m_layers.GetFirst()->GetData()) && (currentLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 756      {
 757        currentLayer = new wxTabLayer;
 758        m_layers.Append(currentLayer);
 759        lastTab = (wxTabControl *) NULL;
 760      }
 761     }
 762
 763     int layer = m_layers.GetCount() - 1;
 764
 765     tabControl->SetRowPosition(currentLayer->GetCount());
 766     tabControl->SetColPosition(layer);
 767
 768     // Top of new tab
 769     int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 770     // Offset from view top-left
 771     int horizontalOffset = 0;
 772     if (!lastTab)
 773       horizontalOffset = layer*GetHorizontalTabOffset();
 774     else
 775       horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 776
 777     tabControl->SetPosition(horizontalOffset, verticalOffset);
 778     tabControl->SetSize(GetTabWidth(), GetTabHeight());
 779
 780     currentLayer->Append(tabControl);
 781     lastTab = tabControl;
 782
 783     node = node->GetNext();
 784   }
 785
 786   // Move the selected tab to the bottom
 787   wxTabControl *control = FindTabControlForId(m_tabSelection);
 788   if (control)
 789     MoveSelectionTab(control);
 790
 791 }
 792
 793 // Draw all tabs
 794 void wxTabView::Draw(wxDC& dc)
 795 {
 796         // Don't draw anything if there are no tabs.
 797         if (GetNumberOfTabs() == 0)
 798           return;
 799
 800     // Draw top margin area (beneath tabs and above view area)
 801     if (GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
 802     {
 803         dc.SetPen(*wxTRANSPARENT_PEN);
 804         dc.SetBrush(*GetBackgroundBrush());
 805
 806         // Add 1 because the pen is transparent. Under Motif, may be different.
 807         dc.DrawRectangle(
 808                 m_tabViewRect.x,
 809                 (m_tabViewRect.y - m_topMargin),
 810                 (m_tabViewRect.width + 1),
 811                 (m_topMargin + 1)
 812                 );
 813     }
 814
 815     // Draw layers in reverse order
 816     wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 817     while (node)
 818     {
 819         wxTabLayer *layer = (wxTabLayer *)node->GetData();
 820         wxList::compatibility_iterator node2 = layer->GetFirst();
 821         while (node2)
 822         {
 823             wxTabControl *control = (wxTabControl *)node2->GetData();
 824             control->OnDraw(dc, (!node2->GetNext()));
 825             node2 = node2->GetNext();
 826         }
 827
 828         node = node->GetPrevious();
 829     }
 830
 831
 832 #ifndef wxUSE_NEW_METHOD
 833     if (GetTabStyle() & wxTAB_STYLE_DRAW_BOX)
 834     {
 835         dc.SetPen(* GetShadowPen());
 836
 837         // Draw bottom line
 838         dc.DrawLine(
 839                 (GetViewRect().x + 1),
 840                 (GetViewRect().y + GetViewRect().height),
 841                 (GetViewRect().x + GetViewRect().width + 1),
 842                 (GetViewRect().y + GetViewRect().height)
 843                 );
 844
 845         // Draw right line
 846         dc.DrawLine(
 847                 (GetViewRect().x + GetViewRect().width),
 848                 (GetViewRect().y - GetTopMargin() + 1),
 849                 (GetViewRect().x + GetViewRect().width),
 850                 (GetViewRect().y + GetViewRect().height)
 851                 );
 852
 853         dc.SetPen(* wxBLACK_PEN);
 854
 855         // Draw bottom line
 856         dc.DrawLine(
 857                 (GetViewRect().x),
 858                 (GetViewRect().y + GetViewRect().height + 1),
 859 #if defined(__WXMOTIF__)
 860                 (GetViewRect().x + GetViewRect().width + 1),
 861 #else
 862                 (GetViewRect().x + GetViewRect().width + 2),
 863 #endif
 864
 865                 (GetViewRect().y + GetViewRect().height + 1)
 866                 );
 867
 868         // Draw right line
 869         dc.DrawLine(
 870                 (GetViewRect().x + GetViewRect().width + 1),
 871                 (GetViewRect().y - GetTopMargin()),
 872                 (GetViewRect().x + GetViewRect().width + 1),
 873                 (GetViewRect().y + GetViewRect().height + 1)
 874                 );
 875     }
 876 #endif
 877 }
 878
 879 // Process mouse event, return false if we didn't process it
 880 bool wxTabView::OnEvent(wxMouseEvent& event)
 881 {
 882   if (!event.LeftDown())
 883     return false;
 884
 885   wxCoord x, y;
 886   event.GetPosition(&x, &y);
 887
 888   wxTabControl *hitControl = (wxTabControl *) NULL;
 889
 890   wxTabLayerList::compatibility_iterator node = m_layers.GetFirst();
 891   while (node)
 892   {
 893     wxTabLayer *layer = (wxTabLayer *)node->GetData();
 894     wxList::compatibility_iterator node2 = layer->GetFirst();
 895     while (node2)
 896     {
 897       wxTabControl *control = (wxTabControl *)node2->GetData();
 898       if (control->HitTest((int)x, (int)y))
 899       {
 900         hitControl = control;
 901         node = wxTabLayerList::compatibility_iterator();
 902         node2 = wxList::compatibility_iterator();
 903       }
 904       else
 905         node2 = node2->GetNext();
 906     }
 907
 908     if (node)
 909       node = node->GetNext();
 910   }
 911
 912   if (!hitControl)
 913     return false;
 914
 915   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 916
 917   if (hitControl == currentTab)
 918     return false;
 919
 920   ChangeTab(hitControl);
 921
 922   return true;
 923 }
 924
 925 bool wxTabView::ChangeTab(wxTabControl *control)
 926 {
 927   wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
 928   int oldTab = -1;
 929   if (currentTab)
 930     oldTab = currentTab->GetId();
 931
 932   if (control == currentTab)
 933     return true;
 934
 935   if (m_layers.GetCount() == 0)
 936     return false;
 937
 938   if (!OnTabPreActivate(control->GetId(), oldTab))
 939     return false;
 940
 941   // Move the tab to the bottom
 942   MoveSelectionTab(control);
 943
 944   if (currentTab)
 945     currentTab->SetSelected(false);
 946
 947   control->SetSelected(true);
 948   m_tabSelection = control->GetId();
 949
 950   OnTabActivate(control->GetId(), oldTab);
 951
 952   // Leave window refresh for the implementing window
 953
 954   return true;
 955 }
 956
 957 // Move the selected tab to the bottom layer, if necessary,
 958 // without calling app activation code
 959 bool wxTabView::MoveSelectionTab(wxTabControl *control)
 960 {
 961   if (m_layers.GetCount() == 0)
 962     return false;
 963
 964   wxTabLayer *firstLayer = (wxTabLayer *)m_layers.GetFirst()->GetData();
 965
 966   // Find what column this tab is at, so we can swap with the one at the bottom.
 967   // If we're on the bottom layer, then no need to swap.
 968   if (!firstLayer->Member(control))
 969   {
 970     // Do a swap
 971     int col = 0;
 972     wxList::compatibility_iterator thisNode = FindTabNodeAndColumn(control, &col);
 973     if (!thisNode)
 974       return false;
 975     wxList::compatibility_iterator otherNode = firstLayer->Item(col);
 976     if (!otherNode)
 977       return false;
 978
 979     // If this is already in the bottom layer, return now
 980     if (otherNode == thisNode)
 981       return true;
 982
 983     wxTabControl *otherTab = (wxTabControl *)otherNode->GetData();
 984
 985     // We now have pointers to the tab to be changed to,
 986     // and the tab on the first layer. Swap tab structures and
 987     // position details.
 988
 989     int thisX = control->GetX();
 990     int thisY = control->GetY();
 991     int thisColPos = control->GetColPosition();
 992     int otherX = otherTab->GetX();
 993     int otherY = otherTab->GetY();
 994     int otherColPos = otherTab->GetColPosition();
 995
 996     control->SetPosition(otherX, otherY);
 997     control->SetColPosition(otherColPos);
 998     otherTab->SetPosition(thisX, thisY);
 999     otherTab->SetColPosition(thisColPos);
1000
1001     // Swap the data for the nodes
1002     thisNode->SetData(otherTab);
1003     otherNode->SetData(control);
1004   }
1005   return true;
1006 }
1007
1008 // Called when a tab is activated
1009 void wxTabView::OnTabActivate(int /*activateId*/, int /*deactivateId*/)
1010 {
1011 }
1012
1013 void wxTabView::SetHighlightColour(const wxColour& col)
1014 {
1015   m_highlightColour = col;
1016   m_highlightPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1017 }
1018
1019 void wxTabView::SetShadowColour(const wxColour& col)
1020 {
1021   m_shadowColour = col;
1022   m_shadowPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1023 }
1024
1025 void wxTabView::SetBackgroundColour(const wxColour& col)
1026 {
1027   m_backgroundColour = col;
1028   m_backgroundPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1029   m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
1030 }
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   wxTabControl *oldControl = FindTabControlForId(m_tabSelection);
1040
1041   if (!OnTabPreActivate(sel, oldSel))
1042     return;
1043
1044   if (control)
1045     control->SetSelected((sel != -1)); // TODO ??
1046   else if (sel != -1)
1047   {
1048     wxFAIL_MSG(_("Could not find tab for id"));
1049     return;
1050   }
1051
1052   if (oldControl)
1053     oldControl->SetSelected(false);
1054
1055   m_tabSelection = sel;
1056
1057   if (control)
1058     MoveSelectionTab(control);
1059
1060   if (activateTool)
1061     OnTabActivate(sel, oldSel);
1062 }
1063
1064 // Find tab control for id
1065 wxTabControl *wxTabView::FindTabControlForId(int id) const
1066 {
1067   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1068   while (node1)
1069   {
1070     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1071     wxList::compatibility_iterator node2 = layer->GetFirst();
1072     while (node2)
1073     {
1074       wxTabControl *control = (wxTabControl *)node2->GetData();
1075       if (control->GetId() == id)
1076         return control;
1077       node2 = node2->GetNext();
1078     }
1079     node1 = node1->GetNext();
1080   }
1081   return (wxTabControl *) NULL;
1082 }
1083
1084 // Find tab control for layer, position (starting from zero)
1085 wxTabControl *wxTabView::FindTabControlForPosition(int layer, int position) const
1086 {
1087   wxTabLayerList::compatibility_iterator node1 = m_layers.Item(layer);
1088   if (!node1)
1089     return (wxTabControl *) NULL;
1090   wxTabLayer *tabLayer = (wxTabLayer *)node1->GetData();
1091   wxList::compatibility_iterator node2 = tabLayer->Item(position);
1092   if (!node2)
1093     return (wxTabControl *) NULL;
1094   return (wxTabControl *)node2->GetData();
1095 }
1096
1097 // Find the node and the column at which this control is positioned.
1098 wxList::compatibility_iterator wxTabView::FindTabNodeAndColumn(wxTabControl *control, int *col) const
1099 {
1100   wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
1101   while (node1)
1102   {
1103     wxTabLayer *layer = (wxTabLayer *)node1->GetData();
1104     int c = 0;
1105     wxList::compatibility_iterator node2 = layer->GetFirst();
1106     while (node2)
1107     {
1108       wxTabControl *cnt = (wxTabControl *)node2->GetData();
1109       if (cnt == control)
1110       {
1111         *col = c;
1112         return node2;
1113       }
1114       node2 = node2->GetNext();
1115       c ++;
1116     }
1117     node1 = node1->GetNext();
1118   }
1119   return wxList::compatibility_iterator();
1120 }
1121
1122 int wxTabView::CalculateTabWidth(int noTabs, bool adjustView)
1123 {
1124   m_tabWidth = (int)((m_tabViewRect.width - ((noTabs - 1)*GetHorizontalTabSpacing()))/noTabs);
1125   if (adjustView)
1126   {
1127     m_tabViewRect.width = noTabs*m_tabWidth + ((noTabs-1)*GetHorizontalTabSpacing());
1128   }
1129   return m_tabWidth;
1130 }
1131
1132 /*
1133  * wxTabbedDialog
1134  */
1135
1136 IMPLEMENT_CLASS(wxTabbedDialog, wxDialog)
1137
1138 BEGIN_EVENT_TABLE(wxTabbedDialog, wxDialog)
1139     EVT_CLOSE(wxTabbedDialog::OnCloseWindow)
1140     EVT_MOUSE_EVENTS(wxTabbedDialog::OnMouseEvent)
1141     EVT_PAINT(wxTabbedDialog::OnPaint)
1142 END_EVENT_TABLE()
1143
1144 wxTabbedDialog::wxTabbedDialog(wxWindow *parent, wxWindowID id,
1145     const wxString& title,
1146     const wxPoint& pos, const wxSize& size,
1147     long windowStyle, const wxString& name):
1148    wxDialog(parent, id, title, pos, size, windowStyle, name)
1149 {
1150   m_tabView = (wxTabView *) NULL;
1151 }
1152
1153 wxTabbedDialog::~wxTabbedDialog(void)
1154 {
1155   if (m_tabView)
1156     delete m_tabView;
1157 }
1158
1159 void wxTabbedDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event) )
1160 {
1161   Destroy();
1162 }
1163
1164 void wxTabbedDialog::OnMouseEvent(wxMouseEvent& event )
1165 {
1166   if (m_tabView)
1167     m_tabView->OnEvent(event);
1168 }
1169
1170 void wxTabbedDialog::OnPaint(wxPaintEvent& WXUNUSED(event) )
1171 {
1172     wxPaintDC dc(this);
1173     if (m_tabView)
1174         m_tabView->Draw(dc);
1175 }
1176
1177 /*
1178  * wxTabbedPanel
1179  */
1180
1181 IMPLEMENT_CLASS(wxTabbedPanel, wxPanel)
1182
1183 BEGIN_EVENT_TABLE(wxTabbedPanel, wxPanel)
1184     EVT_MOUSE_EVENTS(wxTabbedPanel::OnMouseEvent)
1185     EVT_PAINT(wxTabbedPanel::OnPaint)
1186 END_EVENT_TABLE()
1187
1188 wxTabbedPanel::wxTabbedPanel(wxWindow *parent, wxWindowID id, const wxPoint& pos,
1189    const wxSize& size, long windowStyle, const wxString& name):
1190    wxPanel(parent, id, pos, size, windowStyle, name)
1191 {
1192   m_tabView = (wxTabView *) NULL;
1193 }
1194
1195 wxTabbedPanel::~wxTabbedPanel(void)
1196 {
1197   delete m_tabView;
1198 }
1199
1200 void wxTabbedPanel::OnMouseEvent(wxMouseEvent& event)
1201 {
1202   if (m_tabView)
1203     m_tabView->OnEvent(event);
1204 }
1205
1206 void wxTabbedPanel::OnPaint(wxPaintEvent& WXUNUSED(event) )
1207 {
1208     wxPaintDC dc(this);
1209     if (m_tabView)
1210         m_tabView->Draw(dc);
1211 }
1212
1213 /*
1214  * wxPanelTabView
1215  */
1216
1217 IMPLEMENT_CLASS(wxPanelTabView, wxTabView)
1218
1219 wxPanelTabView::wxPanelTabView(wxPanel *pan, long style)
1220     : wxTabView(style)
1221 {
1222   m_panel = pan;
1223   m_currentWindow = (wxWindow *) NULL;
1224
1225   if (m_panel->IsKindOf(CLASSINFO(wxTabbedDialog)))
1226     ((wxTabbedDialog *)m_panel)->SetTabView(this);
1227   else if (m_panel->IsKindOf(CLASSINFO(wxTabbedPanel)))
1228     ((wxTabbedPanel *)m_panel)->SetTabView(this);
1229
1230   SetWindow(m_panel);
1231 }
1232
1233 wxPanelTabView::~wxPanelTabView(void)
1234 {
1235   ClearWindows(true);
1236 }
1237
1238 // Called when a tab is activated
1239 void wxPanelTabView::OnTabActivate(int activateId, int deactivateId)
1240 {
1241   if (!m_panel)
1242     return;
1243
1244   wxWindow *oldWindow = ((deactivateId == -1) ? 0 : GetTabWindow(deactivateId));
1245   wxWindow *newWindow = GetTabWindow(activateId);
1246
1247   if (oldWindow)
1248     oldWindow->Show(false);
1249   if (newWindow)
1250     newWindow->Show(true);
1251
1252   m_panel->Refresh();
1253 }
1254
1255
1256 void wxPanelTabView::AddTabWindow(int id, wxWindow *window)
1257 {
1258   wxASSERT(m_tabWindows.find(id) == m_tabWindows.end());
1259   m_tabWindows[id] = window;
1260   window->Show(false);
1261 }
1262
1263 wxWindow *wxPanelTabView::GetTabWindow(int id) const
1264 {
1265   wxIntToWindowHashMap::const_iterator it = m_tabWindows.find(id);
1266   return it == m_tabWindows.end() ? NULL : it->second;
1267 }
1268
1269 void wxPanelTabView::ClearWindows(bool deleteWindows)
1270 {
1271   if (deleteWindows)
1272     WX_CLEAR_HASH_MAP(wxIntToWindowHashMap, m_tabWindows);
1273   m_tabWindows.clear();
1274 }
1275
1276 void wxPanelTabView::ShowWindowForTab(int id)
1277 {
1278   wxWindow *newWindow = GetTabWindow(id);
1279   if (newWindow == m_currentWindow)
1280     return;
1281   if (m_currentWindow)
1282     m_currentWindow->Show(false);
1283   newWindow->Show(true);
1284   newWindow->Refresh();
1285 }
1286
1287 #endif // wxUSE_TAB_DIALOG