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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_TAB_DIALOG
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/settings.h"
  23     #include "wx/intl.h"
  24     #include "wx/dcclient.h"
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <stdarg.h>
  30
  31 #include "wx/math.h"
  32 #include "wx/tab.h"
  33 #include "wx/listimpl.cpp"
  34
  35 WX_DEFINE_LIST(wxTabLayerList);
  36
  37 // not defined: use old, square tab implementation (fills in tabs)
  38 // defined: use new, rounded tab implementation (doesn't colour in tabs)
  39 // #define wxUSE_NEW_METHOD
  40
  41 IMPLEMENT_DYNAMIC_CLASS(wxTabControl, wxObject)
  42
  43 // IMPLEMENT_DYNAMIC_CLASS(wxTabLayer, wxList)
  44
  45 wxTabControl::wxTabControl(wxTabView *v)
  46 {
  47   m_view = v;
  48   m_isSelected = false;
  49   m_offsetX = 0;
  50   m_offsetY = 0;
  51   m_width = 0;
  52   m_height = 0;
  53   m_id = 0;
  54   m_rowPosition = 0;
  55   m_colPosition = 0;
  56 }
  57
  58 wxTabControl::~wxTabControl(void)
  59 {
  60 }
  61
  62 void wxTabControl::OnDraw(wxDC& dc, bool lastInRow)
  63 {
  64     // Old, but in some ways better (drawing opaque tabs)
  65 #ifndef wxUSE_NEW_METHOD
  66   if (!m_view)
  67     return;
  68
  69   // Top-left of tab view area
  70   int viewX = m_view->GetViewRect().x;
  71   int viewY = m_view->GetViewRect().y;
  72
  73   // Top-left of tab control
  74   int tabX = GetX() + viewX;
  75   int tabY = GetY() + viewY;
  76   int tabHeightInc = 0;
  77   if (m_isSelected)
  78   {
  79     tabHeightInc = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
  80     tabY -= tabHeightInc;
  81   }
  82
  83   dc.SetPen(*wxTRANSPARENT_PEN);
  84
  85   // Draw grey background
  86   if (m_view->GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
  87   {
  88     dc.SetBrush(*m_view->GetBackgroundBrush());
  89
  90     // Add 1 because the pen is transparent. Under Motif, may be different.
  91 #ifdef __WXMOTIF__
  92     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + tabHeightInc));
  93 #else
  94     dc.DrawRectangle(tabX, tabY, (GetWidth()+1), (GetHeight() + 1 + tabHeightInc));
  95 #endif
  96   }
  97
  98   // Draw highlight and shadow
  99   dc.SetPen(*m_view->GetHighlightPen());
 100
 101   // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 102   // a bit if the tab below happens to be selected. Check.
 103   wxTabControl *tabBeneath = NULL;
 104   int subtractThis = 0;
 105   if (GetColPosition() > 0)
 106     tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition());
 107   if (tabBeneath && tabBeneath->IsSelected())
 108     subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 109
 110   // Vertical highlight: if first tab, draw to bottom of view
 111   if (tabX == m_view->GetViewRect().x && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 112     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y + m_view->GetViewRect().height));
 113   else if (tabX == m_view->GetViewRect().x)
 114     // Not box drawing, just to top of view.
 115     dc.DrawLine(tabX, tabY, tabX, (m_view->GetViewRect().y));
 116   else
 117     dc.DrawLine(tabX, tabY, tabX, (tabY + GetHeight() + tabHeightInc - subtractThis));
 118
 119   dc.DrawLine(tabX, tabY, (tabX + GetWidth()), tabY);
 120   dc.SetPen(*m_view->GetShadowPen());
 121
 122   // Test if we're outside the right-hand edge of the view area
 123   if (((tabX + GetWidth()) >= m_view->GetViewRect().x + m_view->GetViewRect().width) && (m_view->GetTabStyle() & wxTAB_STYLE_DRAW_BOX))
 124   {
 125     int bottomY = m_view->GetViewRect().y + m_view->GetViewRect().height + GetY() + m_view->GetTabHeight() + m_view->GetTopMargin();
 126     // Add a tab height since we wish to draw to the bottom of the view.
 127     dc.DrawLine((tabX + GetWidth()), tabY,
 128       (tabX + GetWidth()), bottomY);
 129
 130     // Calculate the far-right of the view, since we don't wish to
 131     // draw inside that
 132     int rightOfView = m_view->GetViewRect().x + m_view->GetViewRect().width + 1;
 133
 134     // Draw the horizontal bit to connect to the view rectangle
 135     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY-1),
 136       (tabX + GetWidth()), (bottomY-1));
 137
 138     // Draw black line to emphasize shadow
 139     dc.SetPen(*wxBLACK_PEN);
 140     dc.DrawLine((tabX + GetWidth() + 1), (tabY+1),
 141       (tabX + GetWidth() + 1), bottomY);
 142
 143     // Draw the horizontal bit to connect to the view rectangle
 144     dc.DrawLine((wxMax((tabX + GetWidth() - m_view->GetHorizontalTabOffset()), rightOfView)), (bottomY),
 145       (tabX + GetWidth() + 1), (bottomY));
 146   }
 147   else
 148   {
 149     if (lastInRow)
 150     {
 151       // 25/5/97 UNLESS it's less than the max number of positions in this row
 152
 153       int topY = m_view->GetViewRect().y - m_view->GetTopMargin();
 154
 155       int maxPositions = ((wxTabLayer *)m_view->GetLayers().Item(0)->GetData())->GetCount();
 156
 157       // Only down to the bottom of the tab, not to the top of the view
 158       if ( GetRowPosition() < (maxPositions - 1) )
 159         topY = tabY + GetHeight() + tabHeightInc;
 160
 161 #ifdef __WXMOTIF__
 162       topY -= 1;
 163 #endif
 164
 165       // Shadow
 166       dc.DrawLine((tabX + GetWidth()), tabY, (tabX + GetWidth()), topY);
 167       // Draw black line to emphasize shadow
 168       dc.SetPen(*wxBLACK_PEN);
 169       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 170          topY);
 171     }
 172     else
 173     {
 174       // Calculate the top of the tab beneath. It's the height of the tab, MINUS
 175       // a bit if the tab below (and next col along) happens to be selected. Check.
 176       wxTabControl *tabBeneath = NULL;
 177       int subtractThis = 0;
 178       if (GetColPosition() > 0)
 179         tabBeneath = m_view->FindTabControlForPosition(GetColPosition() - 1, GetRowPosition() + 1);
 180       if (tabBeneath && tabBeneath->IsSelected())
 181         subtractThis = (m_view->GetTabSelectionHeight() - m_view->GetTabHeight());
 182
 183 #ifdef __WXMOTIF__
 184       subtractThis += 1;
 185 #endif
 186
 187       // Draw only to next tab down.
 188       dc.DrawLine((tabX + GetWidth()), tabY,
 189          (tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc - subtractThis));
 190
 191       // Draw black line to emphasize shadow
 192       dc.SetPen(*wxBLACK_PEN);
 193       dc.DrawLine((tabX + GetWidth() + 1), (tabY+1), (tabX + GetWidth() + 1),
 194          (tabY + GetHeight() + tabHeightInc - subtractThis));
 195     }
 196   }
 197
 198   // Draw centered text
 199   int textY = tabY + m_view->GetVerticalTabTextSpacing() + tabHeightInc;
 200
 201   if (m_isSelected)
 202     dc.SetFont(* m_view->GetSelectedTabFont());
 203   else
 204     dc.SetFont(* GetFont());
 205
 206   wxColour col(m_view->GetTextColour());
 207   dc.SetTextForeground(col);
 208   dc.SetBackgroundMode(wxTRANSPARENT);
 209   long textWidth, textHeight;
 210   dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 211
 212   int textX = (int)(tabX + (GetWidth() - textWidth)/2.0);
 213   if (textX < (tabX + 2))
 214     textX = (tabX + 2);
 215
 216   dc.SetClippingRegion(tabX, tabY, GetWidth(), GetHeight());
 217   dc.DrawText(GetLabel(), textX, textY);
 218   dc.DestroyClippingRegion();
 219
 220   if (m_isSelected)
 221   {
 222     dc.SetPen(*m_view->GetHighlightPen());
 223
 224     // Draw white highlight from the tab's left side to the left hand edge of the view
 225     dc.DrawLine(m_view->GetViewRect().x, (tabY + GetHeight() + tabHeightInc),
 226      tabX, (tabY + GetHeight() + tabHeightInc));
 227
 228     // Draw white highlight from the tab's right side to the right hand edge of the view
 229     dc.DrawLine((tabX + GetWidth()), (tabY + GetHeight() + tabHeightInc),
 230      m_view->GetViewRect().x + m_view->GetViewRect().width, (tabY + GetHeight() + tabHeightInc));
 231   }
 232 #else
 233     // New HEL version with rounder tabs
 234
 235     if (!m_view) return;
 236
 237     int tabInc   = 0;
 238     if (m_isSelected)
 239     {
 240         tabInc = m_view->GetTabSelectionHeight() - m_view->GetTabHeight();
 241     }
 242     int tabLeft  = GetX() + m_view->GetViewRect().x;
 243     int tabTop   = GetY() + m_view->GetViewRect().y - tabInc;
 244     int tabRight = tabLeft + m_view->GetTabWidth();
 245     int left     = m_view->GetViewRect().x;
 246     int top      = tabTop + m_view->GetTabHeight() + tabInc;
 247     int right    = left + m_view->GetViewRect().width;
 248     int bottom   = top + m_view->GetViewRect().height;
 249
 250     if (m_isSelected)
 251     {
 252         // TAB is selected - draw TAB and the View's full outline
 253
 254         dc.SetPen(*(m_view->GetHighlightPen()));
 255         wxPoint pnts[10];
 256         int n = 0;
 257         pnts[n].x = left;            pnts[n++].y = bottom;
 258         pnts[n].x = left;             pnts[n++].y = top;
 259         pnts[n].x = tabLeft;         pnts[n++].y = top;
 260         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 261         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 262         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 263         dc.DrawLines(n, pnts);
 264         if (!lastInRow)
 265         {
 266             dc.DrawLine(
 267                     (tabRight + 2),
 268                     top,
 269                     right,
 270                     top
 271                     );
 272         }
 273
 274         dc.SetPen(*(m_view->GetShadowPen()));
 275         dc.DrawLine(
 276                 tabRight,
 277                 tabTop + 2,
 278                 tabRight,
 279                 top
 280                 );
 281         dc.DrawLine(
 282                 right,
 283                 top,
 284                 right,
 285                 bottom
 286                 );
 287         dc.DrawLine(
 288                 right,
 289                 bottom,
 290                 left,
 291                 bottom
 292                 );
 293
 294         dc.SetPen(*wxBLACK_PEN);
 295         dc.DrawPoint(
 296                 tabRight,
 297                 tabTop + 1
 298                 );
 299         dc.DrawPoint(
 300                 tabRight + 1,
 301                 tabTop + 2
 302                 );
 303         if (lastInRow)
 304         {
 305             dc.DrawLine(
 306                 tabRight + 1,
 307                 bottom,
 308                 tabRight + 1,
 309                 tabTop + 1
 310                 );
 311         }
 312         else
 313         {
 314             dc.DrawLine(
 315                 tabRight + 1,
 316                 tabTop + 2,
 317                 tabRight + 1,
 318                 top
 319                 );
 320             dc.DrawLine(
 321                 right + 1,
 322                 top,
 323                 right + 1,
 324                 bottom + 1
 325                 );
 326         }
 327         dc.DrawLine(
 328                 right + 1,
 329                 bottom + 1,
 330                 left + 1,
 331                 bottom + 1
 332                 );
 333     }
 334     else
 335     {
 336         // TAB is not selected - just draw TAB outline and RH edge
 337         // if the TAB is the last in the row
 338
 339         int maxPositions = ((wxTabLayer*)m_view->GetLayers().Item(0)->GetData())->GetCount();
 340         wxTabControl* tabBelow = 0;
 341         wxTabControl* tabBelowRight = 0;
 342         if (GetColPosition() > 0)
 343         {
 344             tabBelow = m_view->FindTabControlForPosition(
 345                         GetColPosition() - 1,
 346                         GetRowPosition()
 347                         );
 348         }
 349         if (!lastInRow && GetColPosition() > 0)
 350         {
 351             tabBelowRight = m_view->FindTabControlForPosition(
 352                         GetColPosition() - 1,
 353                         GetRowPosition() + 1
 354                         );
 355         }
 356
 357         float raisedTop = top - m_view->GetTabSelectionHeight() +
 358                             m_view->GetTabHeight();
 359
 360         dc.SetPen(*(m_view->GetHighlightPen()));
 361         wxPoint pnts[10];
 362         int n = 0;
 363
 364         pnts[n].x = tabLeft;
 365
 366         if (tabBelow && tabBelow->IsSelected())
 367         {
 368             pnts[n++].y = (long)raisedTop;
 369         }
 370         else
 371         {
 372             pnts[n++].y = top;
 373         }
 374         pnts[n].x = tabLeft;            pnts[n++].y = tabTop + 2;
 375         pnts[n].x = tabLeft + 2;        pnts[n++].y = tabTop;
 376         pnts[n].x = tabRight - 1;    pnts[n++].y = tabTop;
 377         dc.DrawLines(n, pnts);
 378
 379         dc.SetPen(*(m_view->GetShadowPen()));
 380         if (GetRowPosition() >= maxPositions - 1)
 381         {
 382             dc.DrawLine(
 383                     tabRight,
 384                     (tabTop + 2),
 385                     tabRight,
 386                     bottom
 387                     );
 388             dc.DrawLine(
 389                     tabRight,
 390                     bottom,
 391                     (tabRight - m_view->GetHorizontalTabOffset()),
 392                     bottom
 393                     );
 394         }
 395         else
 396         {
 397             if (tabBelowRight && tabBelowRight->IsSelected())
 398             {
 399                 dc.DrawLine(
 400                         tabRight,
 401                         (long)raisedTop,
 402                         tabRight,
 403                         tabTop + 1
 404                         );
 405             }
 406             else
 407             {
 408                 dc.DrawLine(
 409                         tabRight,
 410                         top - 1,
 411                         tabRight,
 412                         tabTop + 1
 413                         );
 414             }
 415         }
 416
 417         dc.SetPen(*wxBLACK_PEN);
 418         dc.DrawPoint(
 419                 tabRight,
 420                 tabTop + 1
 421                 );
 422         dc.DrawPoint(
 423                 tabRight + 1,
 424                 tabTop + 2
 425                 );
 426         if (GetRowPosition() >= maxPositions - 1)
 427         {
 428             // draw right hand edge to bottom of view
 429             dc.DrawLine(
 430                     tabRight + 1,
 431                     bottom + 1,
 432                     tabRight + 1,
 433                     tabTop + 2
 434                     );
 435             dc.DrawLine(
 436                     tabRight + 1,
 437                     bottom + 1,
 438                     (tabRight - m_view->GetHorizontalTabOffset()),
 439                     bottom + 1
 440                     );
 441         }
 442         else
 443         {
 444             // draw right hand edge of TAB
 445             if (tabBelowRight && tabBelowRight->IsSelected())
 446             {
 447                 dc.DrawLine(
 448                         tabRight + 1,
 449                         (long)(raisedTop - 1),
 450                         tabRight + 1,
 451                         tabTop + 2
 452                         );
 453             }
 454             else
 455             {
 456                 dc.DrawLine(
 457                         tabRight + 1,
 458                         top - 1,
 459                         tabRight + 1,
 460                         tabTop + 2
 461                         );
 462             }
 463         }
 464     }
 465
 466     // Draw centered text
 467     dc.SetPen(*wxBLACK_PEN);
 468     if (m_isSelected)
 469     {
 470         dc.SetFont(*(m_view->GetSelectedTabFont()));
 471     }
 472     else
 473     {
 474         dc.SetFont(*(GetFont()));
 475     }
 476
 477     wxColour col(m_view->GetTextColour());
 478     dc.SetTextForeground(col);
 479     dc.SetBackgroundMode(wxTRANSPARENT);
 480     long textWidth, textHeight;
 481     dc.GetTextExtent(GetLabel(), &textWidth, &textHeight);
 482
 483     float textX = (tabLeft + tabRight - textWidth) / 2;
 484     float textY = (tabInc + tabTop + m_view->GetVerticalTabTextSpacing());
 485
 486     dc.DrawText(GetLabel(), (long)textX, (long)textY);
 487 #endif
 488 }
 489
 490 bool wxTabControl::HitTest(int x, int y) const
 491 {
 492   // Top-left of tab control
 493   int tabX1 = GetX() + m_view->GetViewRect().x;
 494   int tabY1 = GetY() + m_view->GetViewRect().y;
 495
 496   // Bottom-right
 497   int tabX2 = tabX1 + GetWidth();
 498   int tabY2 = tabY1 + GetHeight();
 499
 500   if (x >= tabX1 && y >= tabY1 && x <= tabX2 && y <= tabY2)
 501     return true;
 502   else
 503     return false;
 504 }
 505
 506 IMPLEMENT_DYNAMIC_CLASS(wxTabView, wxObject)
 507
 508 wxTabView::wxTabView(long style)
 509 {
 510   m_noTabs = 0;
 511   m_tabStyle = style;
 512   m_tabSelection = -1;
 513   m_tabHeight = 20;
 514   m_tabSelectionHeight = m_tabHeight + 2;
 515   m_tabWidth = 80;
 516   m_tabHorizontalOffset = 10;
 517   m_tabHorizontalSpacing = 2;
 518   m_tabVerticalTextSpacing = 3;
 519   m_topMargin = 5;
 520   m_tabViewRect.x = 20;
 521   m_tabViewRect.y = 20;
 522   m_tabViewRect.width = 300;
 523   m_tabViewRect.x = 300;
 524   m_highlightColour = *wxWHITE;
 525   m_shadowColour = wxColour(128, 128, 128);
 526   m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 527   m_textColour = *wxBLACK;
 528   m_highlightPen = wxWHITE_PEN;
 529   m_shadowPen = wxGREY_PEN;
 530   SetBackgroundColour(m_backgroundColour);
 531   m_tabFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 532   m_tabSelectedFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 533   m_window = (wxWindow *) NULL;
 534 }
 535
 536 wxTabView::~wxTabView()
 537 {
 538   ClearTabs(true);
 539 }
 540
 541 // Automatically positions tabs
 542 // TODO: this should just add the tab to a list, and then
 543 // a layout function (e.g. Realize) should be called when all tabs have been added.
 544 // The view rect could easily change as the view window is resized.
 545 wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
 546 {
 547   // First, find which layer we should be adding to.
 548   wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
 549   if (!node)
 550   {
 551     wxTabLayer *newLayer = new wxTabLayer;
 552     node = m_layers.Append(newLayer);
 553   }
 554   // Check if adding another tab control would go off the
 555   // right-hand edge of the layer.
 556   wxTabLayer *tabLayer = (wxTabLayer *)node->GetData();
 557   wxList::compatibility_iterator lastTabNode = tabLayer->GetLast();
 558   if (lastTabNode)
 559   {
 560     wxTabControl *lastTab = (wxTabControl *)lastTabNode->GetData();
 561     // Start another layer (row).
 562     // Tricky choice: can't just check if will be overlapping the edge, because
 563     // this happens anyway for 2nd and subsequent rows.
 564     // Should check this for 1st row, and then subsequent rows should not exceed 1st
 565     // in length.
 566     if (((tabLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 567               > GetViewRect().width)) ||
 568         ((tabLayer != m_layers.GetFirst()->GetData()) && (tabLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 569     {
 570       tabLayer = new wxTabLayer;
 571       m_layers.Append(tabLayer);
 572       lastTabNode = wxList::compatibility_iterator();
 573     }
 574   }
 575   int layer = m_layers.GetCount() - 1;
 576
 577   wxTabControl *tabControl = existingTab;
 578   if (!existingTab)
 579     tabControl = OnCreateTabControl();
 580   tabControl->SetRowPosition(tabLayer->GetCount());
 581   tabControl->SetColPosition(layer);
 582
 583   wxTabControl *lastTab = (wxTabControl *) NULL;
 584   if (lastTabNode)
 585     lastTab = (wxTabControl *)lastTabNode->GetData();
 586
 587   // Top of new tab
 588   int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 589   // Offset from view top-left
 590   int horizontalOffset = 0;
 591   if (!lastTab)
 592     horizontalOffset = layer*GetHorizontalTabOffset();
 593   else
 594     horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 595
 596   tabControl->SetPosition(horizontalOffset, verticalOffset);
 597   tabControl->SetSize(GetTabWidth(), GetTabHeight());
 598   tabControl->SetId(id);
 599   tabControl->SetLabel(label);
 600   tabControl->SetFont(* GetTabFont());
 601
 602   tabLayer->Append(tabControl);
 603   m_noTabs ++;
 604
 605   return tabControl;
 606 }
 607
 608 // Remove the tab without deleting the window
 609 bool wxTabView::RemoveTab(int id)
 610 {
 611   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 612   while (layerNode)
 613   {
 614     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 615     wxList::compatibility_iterator tabNode = layer->GetFirst();
 616     while (tabNode)
 617     {
 618       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 619       if (tab->GetId() == id)
 620       {
 621         if (id == m_tabSelection)
 622           m_tabSelection = -1;
 623         delete tab;
 624         layer->Erase(tabNode);
 625         m_noTabs --;
 626
 627         // The layout has changed
 628         LayoutTabs();
 629         return true;
 630       }
 631       tabNode = tabNode->GetNext();
 632     }
 633     layerNode = layerNode->GetNext();
 634   }
 635   return false;
 636 }
 637
 638 bool wxTabView::SetTabText(int id, const wxString& label)
 639 {
 640     wxTabControl* control = FindTabControlForId(id);
 641     if (!control)
 642       return false;
 643     control->SetLabel(label);
 644     return true;
 645 }
 646
 647 wxString wxTabView::GetTabText(int id) const
 648 {
 649     wxTabControl* control = FindTabControlForId(id);
 650     if (!control)
 651       return wxEmptyString;
 652     else
 653       return control->GetLabel();
 654 }
 655
 656 // Returns the total height of the tabs component -- this may be several
 657 // times the height of a tab, if there are several tab layers (rows).
 658 int wxTabView::GetTotalTabHeight()
 659 {
 660   int minY = 0;
 661
 662   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 663   while (layerNode)
 664   {
 665     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 666     wxList::compatibility_iterator tabNode = layer->GetFirst();
 667     while (tabNode)
 668     {
 669       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 670
 671       if (tab->GetY() < minY)
 672         minY = tab->GetY();
 673
 674       tabNode = tabNode->GetNext();
 675     }
 676     layerNode = layerNode->GetNext();
 677   }
 678
 679   return - minY;
 680 }
 681
 682 void wxTabView::ClearTabs(bool deleteTabs)
 683 {
 684   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 685   while (layerNode)
 686   {
 687     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 688     wxList::compatibility_iterator tabNode = layer->GetFirst();
 689     while (tabNode)
 690     {
 691       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 692       if (deleteTabs)
 693         delete tab;
 694       wxList::compatibility_iterator next = tabNode->GetNext();
 695       layer->Erase(tabNode);
 696       tabNode = next;
 697     }
 698     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 699     delete layer;
 700     m_layers.Erase(layerNode);
 701     layerNode = nextLayerNode;
 702   }
 703   m_noTabs = 0;
 704   m_tabSelection = -1;
 705 }
 706
 707
 708 // Layout tabs (optional, e.g. if resizing window)
 709 void wxTabView::LayoutTabs(void)
 710 {
 711   // Make a list of the tab controls, deleting the wxTabLayers.
 712   wxList controls;
 713
 714   wxTabLayerList::compatibility_iterator layerNode = m_layers.GetFirst();
 715   while (layerNode)
 716   {
 717     wxTabLayer *layer = (wxTabLayer *)layerNode->GetData();
 718     wxList::compatibility_iterator tabNode = layer->GetFirst();
 719     while (tabNode)
 720     {
 721       wxTabControl *tab = (wxTabControl *)tabNode->GetData();
 722       controls.Append(tab);
 723       wxList::compatibility_iterator next = tabNode->GetNext();
 724       layer->Erase(tabNode);
 725       tabNode = next;
 726     }
 727     wxTabLayerList::compatibility_iterator nextLayerNode = layerNode->GetNext();
 728     delete layer;
 729     m_layers.Erase(layerNode);
 730     layerNode = nextLayerNode;
 731   }
 732
 733   wxTabControl *lastTab = (wxTabControl *) NULL;
 734
 735   wxTabLayer *currentLayer = new wxTabLayer;
 736   m_layers.Append(currentLayer);
 737
 738   wxList::compatibility_iterator node = controls.GetFirst();
 739   while (node)
 740   {
 741     wxTabControl *tabControl = (wxTabControl *)node->GetData();
 742     if (lastTab)
 743     {
 744       // Start another layer (row).
 745       // Tricky choice: can't just check if will be overlapping the edge, because
 746       // this happens anyway for 2nd and subsequent rows.
 747       // Should check this for 1st row, and then subsequent rows should not exceed 1st
 748       // in length.
 749       if (((currentLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
 750                 > GetViewRect().width)) ||
 751           ((currentLayer != m_layers.GetFirst()->GetData()) && (currentLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
 752      {
 753        currentLayer = new wxTabLayer;
 754        m_layers.Append(currentLayer);
 755        lastTab = (wxTabControl *) NULL;
 756      }
 757     }
 758
 759     int layer = m_layers.GetCount() - 1;
 760
 761     tabControl->SetRowPosition(currentLayer->GetCount());
 762     tabControl->SetColPosition(layer);
 763
 764     // Top of new tab
 765     int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
 766     // Offset from view top-left
 767     int horizontalOffset = 0;
 768     if (!lastTab)
 769       horizontalOffset = layer*GetHorizontalTabOffset();
 770     else
 771       horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
 772
 773     tabControl->SetPosition(horizontalOffset, verticalOffset);
 774     tabControl->SetSize(GetTabWidth(), GetTabHeight());
 775
 776     currentLayer->Append(tabControl);
 777     lastTab = tabControl;
 778
 779     node = node->GetNext();
 780   }
 781
 782   // Move the selected tab to the bottom
 783   wxTabControl *control = FindTabControlForId(m_tabSelection);
 784   if (control)
 785     MoveSelectionTab(control);
 786
 787 }
 788
 789 // Draw all tabs
 790 void wxTabView::Draw(wxDC& dc)
 791 {
 792         // Don't draw anything if there are no tabs.
 793         if (GetNumberOfTabs() == 0)
 794           return;
 795
 796     // Draw top margin area (beneath tabs and above view area)
 797     if (GetTabStyle() & wxTAB_STYLE_COLOUR_INTERIOR)
 798     {
 799         dc.SetPen(*wxTRANSPARENT_PEN);
 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, 1, wxSOLID);
1013 }
1014
1015 void wxTabView::SetShadowColour(const wxColour& col)
1016 {
1017   m_shadowColour = col;
1018   m_shadowPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1019 }
1020
1021 void wxTabView::SetBackgroundColour(const wxColour& col)
1022 {
1023   m_backgroundColour = col;
1024   m_backgroundPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
1025   m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
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
1290 #endif // wxUSE_TAB_DIALOG