utils/dialoged/src/dlghndlr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dlghndlr.cpp
   3 // Purpose:     Dialog handler
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include <ctype.h>
  28 #include <stdlib.h>
  29 #include <math.h>
  30 #include <string.h>
  31
  32 #if wxUSE_IOSTREAMH
  33 #if defined(__WXMSW__) && !defined(__GNUWIN32__)
  34 #include <strstrea.h>
  35 #else
  36 #include <strstream.h>
  37 #endif
  38 #else
  39 #include <strstream>
  40 #endif
  41
  42 #include "reseditr.h"
  43 #include "winprop.h"
  44 #include "dlghndlr.h"
  45 #include "edlist.h"
  46
  47 IMPLEMENT_CLASS(wxResourceEditorDialogHandler, wxEvtHandler)
  48 IMPLEMENT_CLASS(wxResourceEditorControlHandler, wxEvtHandler)
  49
  50 BEGIN_EVENT_TABLE(wxResourceEditorDialogHandler, wxEvtHandler)
  51         EVT_PAINT(wxResourceEditorDialogHandler::OnPaint)
  52         EVT_MOUSE_EVENTS(wxResourceEditorDialogHandler::OnMouseEvent)
  53         EVT_SIZE(wxResourceEditorDialogHandler::OnSize)
  54 END_EVENT_TABLE()
  55
  56 BEGIN_EVENT_TABLE(wxResourceEditorControlHandler, wxEvtHandler)
  57         EVT_MOUSE_EVENTS(wxResourceEditorControlHandler::OnMouseEvent)
  58 END_EVENT_TABLE()
  59
  60 /*
  61  * Dialog box event handler
  62  */
  63
  64 wxResourceEditorDialogHandler::wxResourceEditorDialogHandler(wxPanel *dialog, wxItemResource *resource,
  65    wxEvtHandler *oldHandler, wxResourceManager *manager)
  66 {
  67   handlerDialog = dialog;
  68   handlerResource = resource;
  69   handlerOldHandler = oldHandler;
  70   resourceManager = manager;
  71
  72   dragMode = wxDRAG_MODE_NONE;
  73   dragType = wxDRAG_TYPE_NONE;
  74   dragItem = NULL;
  75   firstDragX = 0;
  76   firstDragY = 0;
  77   oldDragX = 0;
  78   oldDragY = 0;
  79   dragTolerance = 3;
  80   checkTolerance = TRUE;
  81   m_mouseCaptured = FALSE;
  82 //  m_treeItem = 0;
  83 }
  84
  85 wxResourceEditorDialogHandler::~wxResourceEditorDialogHandler(void)
  86 {
  87 }
  88
  89 void wxResourceEditorDialogHandler::OnItemSelect(wxControl *item, bool select)
  90 {
  91   if (select)
  92     resourceManager->AddSelection(item);
  93   else
  94     resourceManager->RemoveSelection(item);
  95 }
  96
  97 void wxResourceEditorDialogHandler::OnPaint(wxPaintEvent& WXUNUSED(event))
  98 {
  99         wxPaintDC dc(handlerDialog);
 100
 101         PaintSelectionHandles(dc);
 102 }
 103
 104 // Add event handlers for all children
 105 void wxResourceEditorDialogHandler::AddChildHandlers(void)
 106 {
 107   wxNode *node = handlerDialog->GetChildren().First();
 108   while ( node )
 109   {
 110         wxControl *child = (wxControl *)node->Data();
 111         wxEvtHandler *childHandler = child->GetEventHandler();
 112         if ( child->IsKindOf(CLASSINFO(wxControl)) && childHandler == child )
 113                 child->PushEventHandler(new wxResourceEditorControlHandler(child, childHandler));
 114         node = node->Next();
 115   }
 116 }
 117
 118 void wxResourceEditorDialogHandler::OnLeftClick(int x, int y, int keys)
 119 {
 120   if (keys & wxKEY_CTRL)
 121   {
 122     wxResourceManager::GetCurrentResourceManager()->EditWindow(handlerDialog);
 123     return;
 124   }
 125
 126   // Deselect all items if click on panel
 127   if (wxResourceManager::GetCurrentResourceManager()->GetEditorControlList()->GetSelection() == RESED_POINTER)
 128   {
 129     int needsRefresh = 0;
 130     wxNode *node = handlerDialog->GetChildren().First();
 131     while (node)
 132     {
 133       wxControl *item = (wxControl *)node->Data();
 134           wxResourceEditorControlHandler *childHandler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 135       if (item->IsKindOf(CLASSINFO(wxControl)) && childHandler->IsSelected())
 136       {
 137         needsRefresh ++;
 138         OnItemSelect(item, FALSE);
 139         childHandler->SelectItem(FALSE);
 140       }
 141       node = node->Next();
 142     }
 143     if (needsRefresh > 0)
 144     {
 145           wxClientDC dc(handlerDialog);
 146       dc.Clear();
 147       handlerDialog->Refresh();
 148     }
 149     return;
 150   }
 151
 152   // Round down to take account of dialog units
 153   wxItemResource* resource = wxResourceManager::GetCurrentResourceManager()->FindResourceForWindow(handlerDialog);
 154   if (resource->GetResourceStyle() & wxRESOURCE_DIALOG_UNITS)
 155   {
 156         wxPoint pt = handlerDialog->ConvertPixelsToDialog(wxPoint(x, y));
 157
 158         // Convert back so we've rounded down
 159         pt = handlerDialog->ConvertDialogToPixels(pt);
 160         pt = handlerDialog->ConvertPixelsToDialog(pt);
 161         pt = handlerDialog->ConvertDialogToPixels(pt);
 162         x = pt.x;
 163         y = pt.y;
 164   }
 165
 166   switch (wxResourceManager::GetCurrentResourceManager()->GetEditorControlList()->GetSelection())
 167   {
 168         case RESED_BUTTON:
 169           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxButton", x, y);
 170           break;
 171         case RESED_BMPBUTTON:
 172           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxBitmapButton", x, y, TRUE);
 173           break;
 174         case RESED_STATICTEXT:
 175           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxStaticText", x, y);
 176           break;
 177         case RESED_STATICBMP:
 178           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxStaticBitmap", x, y, TRUE);
 179           break;
 180         case RESED_TEXTCTRL_SINGLE:
 181           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxTextCtrl (single-line)", x, y);
 182           break;
 183         case RESED_TEXTCTRL_MULTIPLE:
 184           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxTextCtrl (multi-line)", x, y);
 185           break;
 186         case RESED_CHOICE:
 187           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxChoice", x, y);
 188           break;
 189         case RESED_COMBOBOX:
 190           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxComboBox", x, y);
 191           break;
 192         case RESED_CHECKBOX:
 193           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxCheckBox", x, y);
 194           break;
 195         case RESED_RADIOBOX:
 196           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxRadioBox", x, y);
 197           break;
 198         case RESED_RADIOBUTTON:
 199           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxRadioButton", x, y);
 200           break;
 201         case RESED_LISTBOX:
 202           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxListBox", x, y);
 203           break;
 204         case RESED_SLIDER:
 205           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxSlider", x, y);
 206           break;
 207         case RESED_GAUGE:
 208           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxGauge", x, y);
 209           break;
 210         case RESED_STATICBOX:
 211           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxStaticBox", x, y);
 212           break;
 213         case RESED_SCROLLBAR:
 214           resourceManager->CreatePanelItem(handlerResource, handlerDialog, "wxScrollBar", x, y);
 215           break;
 216         default:
 217           break;
 218   }
 219
 220   // Now switch pointer on.
 221   if (wxResourceManager::GetCurrentResourceManager()->GetEditorControlList()->GetSelection() != RESED_POINTER)
 222   {
 223     wxResourceManager::GetCurrentResourceManager()->GetEditorControlList()->SetItemState(RESED_POINTER, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 224   }
 225 }
 226
 227 void wxResourceEditorDialogHandler::OnRightClick(int x, int y, int WXUNUSED(keys))
 228 {
 229   wxMenu *menu = resourceManager->GetPopupMenu();
 230   menu->SetClientData((char *)handlerDialog);
 231   handlerDialog->PopupMenu(menu, x, y);
 232 }
 233
 234 void wxResourceEditorDialogHandler::OnItemLeftClick(wxControl *item, int WXUNUSED(x), int WXUNUSED(y), int keys)
 235 {
 236   if (keys & wxKEY_CTRL)
 237   {
 238     wxResourceManager::GetCurrentResourceManager()->EditWindow(item);
 239     return;
 240   }
 241
 242 /*
 243   // If this is a wxStaticBox and the pointer isn't an arrow, chances
 244   // are that we really meant to place an item on the panel.
 245   // Fake this event.
 246   if ((item->GetClassInfo() == CLASSINFO(wxStaticBox)) && resourceManager->GetEditorPalette()->currentlySelected != PALETTE_ARROW)
 247   {
 248     OnLeftClick(x,  y, keys);
 249     return;
 250   }
 251 */
 252
 253   wxResourceEditorControlHandler *childHandler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 254
 255   if (childHandler->IsSelected())
 256   {
 257     childHandler->SelectItem(FALSE);
 258     OnItemSelect(item, FALSE);
 259
 260     wxClientDC dc(handlerDialog);
 261     dc.Clear();
 262     handlerDialog->Refresh();
 263   }
 264   else
 265   {
 266     childHandler->SelectItem(TRUE);
 267     OnItemSelect(item, TRUE);
 268
 269     // Deselect other items if shift is not pressed
 270     int needsRefresh = 0;
 271     if (!(keys & wxKEY_SHIFT))
 272     {
 273       wxNode *node = item->GetParent()->GetChildren().First();
 274       while (node)
 275       {
 276         wxControl *child = (wxControl *)node->Data();
 277         wxResourceEditorControlHandler *childHandler2 = (wxResourceEditorControlHandler *)child->GetEventHandler();
 278         if (child->IsKindOf(CLASSINFO(wxControl)) && childHandler2->IsSelected() && child != item)
 279         {
 280           childHandler2->SelectItem(FALSE);
 281           OnItemSelect(child, FALSE);
 282           needsRefresh ++;
 283         }
 284         node = node->Next();
 285       }
 286     }
 287
 288     wxClientDC dc(handlerDialog);
 289     childHandler->DrawSelectionHandles(dc);
 290
 291     if (needsRefresh > 0)
 292     {
 293       dc.Clear();
 294       handlerDialog->Refresh();
 295     }
 296   }
 297 }
 298
 299 void wxResourceEditorDialogHandler::OnItemRightClick(wxControl *item, int x, int y, int WXUNUSED(keys))
 300 {
 301 /*
 302   if (keys & wxKEY_CTRL)
 303   {
 304     wxDebugMsg("Item %s, selected = %d\n", item->GetName(), item->IsSelected());
 305     return;
 306   }
 307 */
 308
 309   wxMenu *menu = resourceManager->GetPopupMenu();
 310   menu->SetClientData((char *)item);
 311   handlerDialog->PopupMenu(menu, x, y);
 312 }
 313
 314 // Under Windows 95, you can resize a panel interactively depending on
 315 // window styles.
 316 void wxResourceEditorDialogHandler::OnSize(wxSizeEvent& event)
 317 {
 318     // Update the associated resource
 319     int w, h;
 320     handlerDialog->GetClientSize(& w, & h);
 321
 322     wxItemResource* resource = wxResourceManager::GetCurrentResourceManager()->FindResourceForWindow(handlerDialog);
 323     if (resource->GetResourceStyle() & wxRESOURCE_DIALOG_UNITS)
 324     {
 325         wxSize sz = handlerDialog->ConvertPixelsToDialog(wxSize(w, h));
 326         w = sz.x; h = sz.y;
 327     }
 328     resource->SetSize(resource->GetX(), resource->GetY(), w, h);
 329 }
 330
 331 // An event outside any items: may be a drag event.
 332 void wxResourceEditorDialogHandler::OnMouseEvent(wxMouseEvent& event)
 333 {
 334   if (GetEvtHandlerEnabled())
 335   {
 336     // If we're dragging an item or selection handle,
 337     // continue dragging.
 338     if (dragMode != wxDRAG_MODE_NONE)
 339     {
 340       ProcessItemEvent(dragItem, event, dragType);
 341       return;
 342     }
 343
 344     long x, y;
 345     event.Position(&x, &y);
 346
 347     // Find which selection handle we're on, if any
 348     wxNode *node = handlerDialog->GetChildren().First();
 349     while (node)
 350     {
 351       wxWindow *win = (wxWindow *)node->Data();
 352       if (win->IsKindOf(CLASSINFO(wxControl)))
 353       {
 354         wxControl *item = (wxControl *)win;
 355         wxResourceEditorControlHandler *childHandler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 356         int selHandle = childHandler->SelectionHandleHitTest(x, y);
 357         if (selHandle > 0)
 358         {
 359           ProcessItemEvent(item, event, selHandle);
 360           return;
 361         }
 362       }
 363       node = node->Next();
 364     }
 365
 366     // We're not on an item or selection handle.
 367     // so... check for a left or right click event
 368     // to send to the application.
 369     int keys = 0;
 370     if (event.ShiftDown()) keys = keys | wxKEY_SHIFT;
 371     if (event.ControlDown()) keys = keys | wxKEY_CTRL;
 372
 373     if (event.LeftUp())
 374     {
 375         if (m_mouseCaptured)
 376         {
 377             handlerDialog->ReleaseMouse();
 378             m_mouseCaptured = FALSE;
 379         }
 380
 381         OnLeftClick(x, y, keys);
 382     }
 383     else if (event.RightDown())
 384     {
 385         if (m_mouseCaptured)
 386         {
 387             handlerDialog->ReleaseMouse();
 388             m_mouseCaptured = FALSE;
 389         }
 390
 391         OnRightClick(x, y, keys);
 392     }
 393     else if (event.LeftDClick())
 394     {
 395         if (m_mouseCaptured)
 396         {
 397             handlerDialog->ReleaseMouse();
 398             m_mouseCaptured = FALSE;
 399         }
 400         wxResourceManager::GetCurrentResourceManager()->EditWindow(handlerDialog);
 401     }
 402   }
 403   else
 404         event.Skip();
 405 }
 406
 407 void wxResourceEditorDialogHandler::OnItemEvent(wxControl *item, wxMouseEvent& event)
 408 {
 409   if (!GetEvtHandlerEnabled())
 410     return;
 411
 412   // Not a selection handle event: just a normal item event.
 413   // Transform to panel coordinates.
 414   int x, y;
 415   item->GetPosition(&x, &y);
 416
 417   event.m_x = event.m_x + x;
 418   event.m_y = event.m_y + y;
 419
 420   ProcessItemEvent(item, event, dragType);
 421 }
 422
 423 void wxResourceEditorDialogHandler::ProcessItemEvent(wxControl *item, wxMouseEvent& event, int selectionHandle)
 424 {
 425   wxResourceEditorControlHandler *childHandler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 426
 427   long x, y;
 428   event.Position(&x, &y);
 429   int keys = 0;
 430   if (event.ShiftDown()) keys = keys | wxKEY_SHIFT;
 431   if (event.ControlDown()) keys = keys | wxKEY_CTRL;
 432   bool dragging = event.Dragging();
 433   if (dragging)
 434   {
 435     int dx = (int)abs((x - firstDragX));
 436     int dy = (int)abs((y - firstDragY));
 437     if (checkTolerance && (dx <= dragTolerance) && (dy <= dragTolerance))
 438     {
 439       return;
 440     }
 441     else
 442       // If we've ignored the tolerance once, then ALWAYS ignore
 443       // tolerance in this drag, even if we come back within
 444       // the tolerance range.
 445       {
 446         checkTolerance = FALSE;
 447       }
 448   }
 449   if (event.LeftDClick())
 450   {
 451       if (m_mouseCaptured)
 452       {
 453         handlerDialog->ReleaseMouse();
 454         m_mouseCaptured = FALSE;
 455       }
 456
 457       wxResourceManager::GetCurrentResourceManager()->EditWindow(item);
 458   }
 459   else if (dragging && dragItem && dragMode == wxDRAG_MODE_START_LEFT)
 460   {
 461     dragMode = wxDRAG_MODE_CONTINUE_LEFT;
 462         wxClientDC dc(handlerDialog);
 463     childHandler->OnDragBegin(x, y, keys, dc, selectionHandle);
 464     oldDragX = x; oldDragY = y;
 465     if (!m_mouseCaptured)
 466     {
 467         handlerDialog->CaptureMouse();
 468         m_mouseCaptured = TRUE;
 469     }
 470   }
 471   else if (dragging && dragItem && dragMode == wxDRAG_MODE_CONTINUE_LEFT)
 472   {
 473         wxClientDC dc(handlerDialog);
 474     childHandler->OnDragContinue(FALSE, oldDragX, oldDragY, keys, dc, selectionHandle);
 475     childHandler->OnDragContinue(TRUE, x, y, keys, dc, selectionHandle);
 476     oldDragX = x; oldDragY = y;
 477   }
 478   else if (event.LeftUp() && dragItem && dragMode == wxDRAG_MODE_CONTINUE_LEFT)
 479   {
 480         wxClientDC dc(handlerDialog);
 481     dragMode = wxDRAG_MODE_NONE;
 482     checkTolerance = TRUE;
 483
 484     childHandler->OnDragContinue(FALSE, oldDragX, oldDragY, keys, dc, selectionHandle);
 485     childHandler->OnDragEnd(x, y, keys, dc, selectionHandle);
 486
 487     dragItem = NULL;
 488     dragType = wxDRAG_TYPE_NONE;
 489
 490     if (m_mouseCaptured)
 491     {
 492         handlerDialog->ReleaseMouse();
 493         m_mouseCaptured = FALSE;
 494     }
 495   }
 496   else if (dragging && dragItem && dragMode == wxDRAG_MODE_START_RIGHT)
 497   {
 498         wxClientDC dc(handlerDialog);
 499     dragMode = wxDRAG_MODE_CONTINUE_RIGHT;
 500     childHandler->OnDragBegin(x, y, keys, dc, selectionHandle);
 501     oldDragX = x; oldDragY = y;
 502
 503     if (!m_mouseCaptured)
 504     {
 505         handlerDialog->CaptureMouse();
 506         m_mouseCaptured = TRUE;
 507     }
 508   }
 509   else if (dragging && dragItem && dragMode == wxDRAG_MODE_CONTINUE_RIGHT)
 510   {
 511     oldDragX = x; oldDragY = y;
 512   }
 513   // Obsolete; no longer try to right-drag
 514   else if (event.RightUp() && dragItem && dragMode == wxDRAG_MODE_CONTINUE_RIGHT)
 515   {
 516     dragMode = wxDRAG_MODE_NONE;
 517     checkTolerance = TRUE;
 518     dragItem = NULL;
 519     dragType = wxDRAG_TYPE_NONE;
 520
 521     if (m_mouseCaptured)
 522     {
 523         handlerDialog->ReleaseMouse();
 524         m_mouseCaptured = FALSE;
 525     }
 526   }
 527   else if (event.IsButton())
 528   {
 529     checkTolerance = TRUE;
 530
 531     if (event.LeftDown())
 532     {
 533       dragItem = item;
 534       dragMode = wxDRAG_MODE_START_LEFT;
 535       firstDragX = x;
 536       firstDragY = y;
 537       dragType = selectionHandle;
 538
 539       if (!m_mouseCaptured)
 540       {
 541         handlerDialog->CaptureMouse();
 542         m_mouseCaptured = TRUE;
 543       }
 544     }
 545     else if (event.RightDown())
 546     {
 547       if (m_mouseCaptured)
 548       {
 549         handlerDialog->ReleaseMouse();
 550         m_mouseCaptured = FALSE;
 551       }
 552
 553       if (item)
 554         childHandler->OnRightClick(x, y, keys);
 555       else
 556         OnRightClick(x, y, keys);
 557
 558       dragItem = NULL; dragMode = wxDRAG_MODE_NONE; dragType = wxDRAG_TYPE_NONE;
 559
 560       /*
 561       dragItem = item;
 562       dragMode = wxDRAG_MODE_START_RIGHT;
 563       firstDragX = x;
 564       firstDragY = y;
 565       dragType = selectionHandle;
 566
 567       if (!m_mouseCaptured)
 568       {
 569         handlerDialog->CaptureMouse();
 570         m_mouseCaptured = TRUE;
 571       }
 572       */
 573     }
 574     else if (event.LeftUp())
 575     {
 576       if (dragItem)
 577         childHandler->OnLeftClick(x, y, keys);
 578       else
 579         OnLeftClick(x, y, keys);
 580
 581       dragItem = NULL; dragMode = wxDRAG_MODE_NONE; dragType = wxDRAG_TYPE_NONE;
 582
 583       if (m_mouseCaptured)
 584       {
 585         handlerDialog->ReleaseMouse();
 586         m_mouseCaptured = FALSE;
 587       }
 588     }
 589     else if (event.RightUp())
 590     {
 591       /*
 592       if (dragItem)
 593         childHandler->OnRightClick(x, y, keys);
 594       else
 595         OnRightClick(x, y, keys);
 596
 597       dragItem = NULL; dragMode = wxDRAG_MODE_NONE; dragType = wxDRAG_TYPE_NONE;
 598
 599       if (m_mouseCaptured)
 600       {
 601         handlerDialog->ReleaseMouse();
 602         m_mouseCaptured = FALSE;
 603       }
 604       */
 605     }
 606   }
 607 }
 608
 609 // Calls DrawSelectionHandles for all items if
 610 // edit mode is on.
 611 void wxResourceEditorDialogHandler::PaintSelectionHandles(wxDC& dc)
 612 {
 613   if (!GetEvtHandlerEnabled())
 614     return;
 615
 616   dc.BeginDrawing();
 617
 618   wxNode *node = handlerDialog->GetChildren().First();
 619   while (node)
 620   {
 621     wxWindow *win = (wxWindow *)node->Data();
 622     if (win->IsKindOf(CLASSINFO(wxControl)))
 623     {
 624       wxControl *item = (wxControl *)win;
 625       wxResourceEditorControlHandler *childHandler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 626
 627       // Don't draw handles for an item that's being moved: it'll
 628       // smear.
 629       if (childHandler->IsSelected() && (item != dragItem))
 630         childHandler->DrawSelectionHandles(dc);
 631     }
 632     node = node->Next();
 633   }
 634   dc.EndDrawing();
 635 }
 636
 637 /*
 638  * Event handler for controls
 639  */
 640
 641 int wxResourceEditorControlHandler::dragOffsetX = 0;
 642 int wxResourceEditorControlHandler::dragOffsetY = 0;
 643
 644 wxResourceEditorControlHandler::wxResourceEditorControlHandler(wxControl *control,
 645    wxEvtHandler *oldHandler)
 646 {
 647   handlerControl = control;
 648   handlerOldHandler = oldHandler;
 649
 650   handleSize = 6;
 651   handleMargin = 1;
 652   isSelected = FALSE;
 653   dragOffsetX = 0;
 654   dragOffsetY = 0;
 655 //  m_treeItem = 0;
 656 }
 657
 658 wxResourceEditorControlHandler::~wxResourceEditorControlHandler(void)
 659 {
 660 }
 661
 662 /*
 663  * Manipulation and drawing of items in Edit Mode
 664  */
 665
 666 void wxResourceEditorControlHandler::SelectItem(bool select)
 667 {
 668   isSelected = select;
 669 }
 670
 671 // Returns TRUE or FALSE
 672 bool wxResourceEditorControlHandler::HitTest(int x, int y)
 673 {
 674   int xpos, ypos, width, height;
 675   handlerControl->GetPosition(&xpos, &ypos);
 676   handlerControl->GetSize(&width, &height);
 677
 678   return ((x >= xpos) && (x <= (xpos + width)) && (y >= ypos) && (y <= (ypos + height)));
 679 }
 680
 681 // Calculate position of the 8 handles
 682 void wxResourceEditorControlHandler::CalcSelectionHandles(int *hx, int *hy)
 683 {
 684   int xpos, ypos, width, height;
 685   handlerControl->GetPosition(&xpos, &ypos);
 686   handlerControl->GetSize(&width, &height);
 687   int middleX = (xpos + (width/2));
 688   int middleY = (ypos + (height/2));
 689
 690   // Start from top middle, clockwise.
 691 /*
 692   7      0      1
 693
 694   6             2
 695
 696   5      4      3
 697 */
 698
 699   hx[0] = (int)(middleX - (handleSize/2));
 700   hy[0] = ypos - handleSize - handleMargin;
 701
 702   hx[1] = xpos + width + handleMargin;
 703   hy[1] = ypos - handleSize - handleMargin;
 704
 705   hx[2] = xpos + width + handleMargin;
 706   hy[2] = (int)(middleY - (handleSize/2));
 707
 708   hx[3] = xpos + width + handleMargin;
 709   hy[3] = ypos + height + handleMargin;
 710
 711   hx[4] = (int)(middleX - (handleSize/2));
 712   hy[4] = ypos + height + handleMargin;
 713
 714   hx[5] = xpos - handleSize - handleMargin;
 715   hy[5] = ypos + height + handleMargin;
 716
 717   hx[6] = xpos - handleSize - handleMargin;
 718   hy[6] = (int)(middleY - (handleSize/2));
 719
 720   hx[7] = xpos - handleSize - handleMargin;
 721   hy[7] = ypos - handleSize - handleMargin;
 722 }
 723
 724 // Returns 0 (no hit), 1 - 8 for which selection handle
 725 // (clockwise from top middle)
 726 int wxResourceEditorControlHandler::SelectionHandleHitTest(int x, int y)
 727 {
 728   // Handle positions
 729   int hx[8];
 730   int hy[8];
 731   CalcSelectionHandles(hx, hy);
 732
 733   int i;
 734   for (i = 0; i < 8; i++)
 735   {
 736     if ((x >= hx[i]) && (x <= (hx[i] + handleSize)) && (y >= hy[i]) && (y <= (hy[i] + handleSize)))
 737       return (i + 1);
 738   }
 739   return 0;
 740 }
 741
 742 void wxResourceEditorControlHandler::DrawSelectionHandles(wxDC& dc, bool WXUNUSED(erase))
 743 {
 744   dc.SetOptimization(FALSE);
 745
 746   dc.SetLogicalFunction(wxCOPY);
 747   dc.SetPen(* wxBLACK_PEN);
 748   dc.SetBrush(* wxBLACK_BRUSH);
 749
 750   dc.SetOptimization(TRUE);
 751
 752   // Handle positions
 753   int hx[8];
 754   int hy[8];
 755   CalcSelectionHandles(hx, hy);
 756
 757   int i;
 758   for (i = 0; i < 8; i++)
 759   {
 760     dc.DrawRectangle(hx[i], hy[i], handleSize, handleSize);
 761   }
 762 }
 763
 764 void wxResourceEditorControlHandler::DrawBoundingBox(wxDC& dc, int x, int y, int w, int h)
 765 {
 766   dc.DrawRectangle(x, y, w, h);
 767 }
 768
 769 // If selectionHandle is zero, not dragging the selection handle.
 770 void wxResourceEditorControlHandler::OnDragBegin(int x, int y, int WXUNUSED(keys), wxDC& dc, int selectionHandle)
 771 {
 772   int xpos, ypos, width, height;
 773   handlerControl->GetPosition(&xpos, &ypos);
 774   handlerControl->GetSize(&width, &height);
 775
 776   dc.BeginDrawing();
 777
 778 //  dc.DestroyClippingRegion();
 779
 780   wxPanel *panel = (wxPanel *)handlerControl->GetParent();
 781
 782   // Erase selection handles
 783 //  DrawSelectionHandles(dc, TRUE);
 784
 785   dc.SetOptimization(FALSE);
 786
 787   dc.SetLogicalFunction(wxXOR);
 788
 789   wxPen pen(wxColour(0, 0, 0), 1, wxDOT);
 790   dc.SetPen(pen);
 791   dc.SetBrush(* wxTRANSPARENT_BRUSH);
 792
 793   dc.SetOptimization(TRUE);
 794
 795   if (selectionHandle > 0)
 796   {
 797     panel->Refresh();
 798
 799     DrawBoundingBox(dc, xpos, ypos, width, height);
 800   }
 801   else
 802   {
 803     panel->Refresh();
 804
 805     dragOffsetX = (x - xpos);
 806     dragOffsetY = (y - ypos);
 807
 808       DrawBoundingBox(dc, xpos, ypos, width, height);
 809
 810       // Also draw bounding boxes for other selected items
 811       wxNode *node = panel->GetChildren().First();
 812       while (node)
 813       {
 814         wxWindow *win = (wxWindow *)node->Data();
 815         if (win->IsKindOf(CLASSINFO(wxControl)))
 816         {
 817           wxControl *item = (wxControl *)win;
 818                   wxResourceEditorControlHandler *handler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 819           if ((item != handlerControl) && handler->IsSelected())
 820           {
 821             int x1, y1, w1, h1;
 822             item->GetPosition(&x1, &y1);
 823             item->GetSize(&w1, &h1);
 824             handler->DrawBoundingBox(dc, x1, y1, w1, h1);
 825           }
 826         }
 827         node = node->Next();
 828       }
 829   }
 830   dc.EndDrawing();
 831 }
 832
 833 void wxResourceEditorControlHandler::OnDragContinue(bool WXUNUSED(paintIt), int x, int y, int WXUNUSED(keys), wxDC& dc, int selectionHandle)
 834 {
 835   wxPanel *panel = (wxPanel *)handlerControl->GetParent();
 836   int xpos, ypos, width, height;
 837   handlerControl->GetPosition(&xpos, &ypos);
 838   handlerControl->GetSize(&width, &height);
 839
 840   if (selectionHandle > 0)
 841   {
 842 /*
 843   8      1      2
 844
 845   7             3
 846
 847   6      5      4
 848 */
 849
 850     int x1, y1, width1, height1;
 851
 852     switch (selectionHandle)
 853     {
 854       case 1:
 855         x1 = xpos;
 856         y1 = y;
 857         width1 = width;
 858         height1 = (ypos + height) - y;
 859         break;
 860       case 5:
 861         x1 = xpos;
 862         y1 = ypos;
 863         width1 = width;
 864         height1 = (y - ypos);
 865         break;
 866       case 3:
 867         x1 = xpos;
 868         y1 = ypos;
 869         width1 = (x - xpos);
 870         height1 = height;
 871         break;
 872       case 7:
 873         x1 = x;
 874         y1 = ypos;
 875         width1 = (xpos + width) - x;
 876         height1 = height;
 877         break;
 878       case 2:
 879         x1 = xpos;
 880         y1 = y;
 881         width1 = (x - xpos);
 882         height1 = (ypos + height) - y;
 883         break;
 884       case 4:
 885         x1 = xpos;
 886         y1 = ypos;
 887         width1 = (x - xpos);
 888         height1 = (y - ypos);
 889         break;
 890       case 6:
 891         x1 = x;
 892         y1 = ypos;
 893         width1 = (xpos + width) - x;
 894         height1 = y - ypos;
 895         break;
 896       case 8:
 897         x1 = x;
 898         y1 = y;
 899         width1 = (xpos + width) - x;
 900         height1 = (ypos + height) - y;
 901         break;
 902     }
 903     dc.BeginDrawing();
 904
 905     dc.SetLogicalFunction(wxXOR);
 906     wxPen pen(wxColour(0, 0, 0), 1, wxDOT);
 907     dc.SetPen(pen);
 908     dc.SetBrush(* wxTRANSPARENT_BRUSH);
 909
 910     DrawBoundingBox(dc, x1, y1, width1, height1);
 911
 912     dc.EndDrawing();
 913   }
 914   else
 915   {
 916       dc.BeginDrawing();
 917       dc.SetLogicalFunction(wxXOR);
 918       wxPen pen(wxColour(0, 0, 0), 1, wxDOT);
 919       dc.SetPen(pen);
 920       dc.SetBrush(* wxTRANSPARENT_BRUSH);
 921
 922       DrawBoundingBox(dc, (int)(x - dragOffsetX), (int)(y - dragOffsetY), width, height);
 923
 924       // Also draw bounding boxes for other selected items
 925       wxNode *node = panel->GetChildren().First();
 926       while (node)
 927       {
 928         wxWindow *win = (wxWindow *)node->Data();
 929         if (win->IsKindOf(CLASSINFO(wxControl)))
 930         {
 931           wxControl *item = (wxControl *)win;
 932                   wxResourceEditorControlHandler *handler = (wxResourceEditorControlHandler *)item->GetEventHandler();
 933           if ((item != handlerControl) && handler->IsSelected())
 934           {
 935             int x1, y1, w1, h1;
 936             item->GetPosition(&x1, &y1);
 937             item->GetSize(&w1, &h1);
 938             int x2 = (int)(x1 + (x - dragOffsetX) - xpos);
 939             int y2 = (int)(y1 + (y - dragOffsetY) - ypos);
 940             handler->DrawBoundingBox(dc, x2, y2, w1, h1);
 941           }
 942         }
 943         node = node->Next();
 944       }
 945       dc.EndDrawing();
 946   }
 947 }
 948
 949 void wxResourceEditorControlHandler::OnDragEnd(int x, int y, int WXUNUSED(keys), wxDC& dc, int selectionHandle)
 950 {
 951   wxPanel *panel = (wxPanel *)handlerControl->GetParent();
 952
 953   dc.BeginDrawing();
 954
 955   int xpos, ypos, width, height;
 956   handlerControl->GetPosition(&xpos, &ypos);
 957   handlerControl->GetSize(&width, &height);
 958
 959   wxItemResource* resource = wxResourceManager::GetCurrentResourceManager()->FindResourceForWindow(handlerControl);
 960   wxItemResource* parentResource = wxResourceManager::GetCurrentResourceManager()->FindResourceForWindow(handlerControl->GetParent());
 961
 962   if (selectionHandle > 0)
 963   {
 964     int x1, y1, width1, height1;
 965
 966     switch (selectionHandle)
 967     {
 968       case 1:
 969         x1 = xpos;
 970         y1 = y;
 971         width1 = width;
 972         height1 = (ypos + height) - y;
 973         break;
 974       case 5:
 975         x1 = xpos;
 976         y1 = ypos;
 977         width1 = width;
 978         height1 = (y - ypos);
 979         break;
 980       case 3:
 981         x1 = xpos;
 982         y1 = ypos;
 983         width1 = (x - xpos);
 984         height1 = height;
 985         break;
 986       case 7:
 987         x1 = x;
 988         y1 = ypos;
 989         width1 = (xpos + width) - x;
 990         height1 = height;
 991         break;
 992       case 2:
 993         x1 = xpos;
 994         y1 = y;
 995         width1 = (x - xpos);
 996         height1 = (ypos + height) - y;
 997         break;
 998       case 4:
 999         x1 = xpos;
1000         y1 = ypos;
1001         width1 = (x - xpos);
1002         height1 = (y - ypos);
1003         break;
1004       case 6:
1005         x1 = x;
1006         y1 = ypos;
1007         width1 = (xpos + width) - x;
1008         height1 = y - ypos;
1009         break;
1010       case 8:
1011         x1 = x;
1012         y1 = y;
1013         width1 = (xpos + width) - x;
1014         height1 = (ypos + height) - y;
1015         break;
1016     }
1017     // Update the associated resource
1018     // We need to convert to dialog units if this is not a dialog or panel, but
1019     // the parent resource specifies dialog units.
1020     int resourceX = x1;
1021     int resourceY = y1;
1022     int resourceWidth = width1;
1023     int resourceHeight = height1;
1024
1025     if (parentResource->GetResourceStyle() & wxRESOURCE_DIALOG_UNITS)
1026     {
1027         wxPoint pt = handlerControl->GetParent()->ConvertPixelsToDialog(wxPoint(x1, y1));
1028         wxSize sz = handlerControl->GetParent()->ConvertPixelsToDialog(wxSize(width1, height1));
1029
1030         // Convert back so we've rounded down
1031         sz = handlerControl->GetParent()->ConvertDialogToPixels(sz);
1032         sz = handlerControl->GetParent()->ConvertPixelsToDialog(sz);
1033         resourceWidth = sz.x; resourceHeight = sz.y;
1034
1035         sz = handlerControl->GetParent()->ConvertDialogToPixels(sz);
1036         width1 = sz.x;
1037         height1 = sz.y;
1038
1039         pt = handlerControl->GetParent()->ConvertDialogToPixels(pt);
1040         pt = handlerControl->GetParent()->ConvertPixelsToDialog(pt);
1041         resourceX = pt.x; resourceY = pt.y;
1042
1043         pt = handlerControl->GetParent()->ConvertDialogToPixels(pt);
1044         x1 = pt.x;
1045         y1 = pt.y;
1046     }
1047     handlerControl->SetSize(x1, y1, width1, height1);
1048     resource->SetSize(resourceX, resourceY, resourceWidth, resourceHeight);
1049   }
1050   else
1051   {
1052     // Correction 31/12/98. We need to round down the values to take into account
1053     // the fact that several pixels map to the same dialog unit.
1054
1055     int newX = (int)(x - dragOffsetX);
1056     int newY = (int)(y - dragOffsetY);
1057     int resourceX = newX;
1058     int resourceY = newY;
1059
1060     // Update the associated resource
1061     if (parentResource->GetResourceStyle() & wxRESOURCE_DIALOG_UNITS)
1062     {
1063         wxPoint pt = handlerControl->GetParent()->ConvertPixelsToDialog(wxPoint(newX, newY));
1064         pt = handlerControl->GetParent()->ConvertDialogToPixels(pt);
1065         pt = handlerControl->GetParent()->ConvertPixelsToDialog(pt);
1066         resourceX = pt.x; resourceY = pt.y;
1067         pt = handlerControl->GetParent()->ConvertDialogToPixels(pt);
1068
1069         // Having converted it several times, we know it'll map to dialog units exactly.
1070         newX = pt.x;
1071         newY = pt.y;
1072     }
1073     handlerControl->Move(newX, newY);
1074     OldOnMove(newX, newY);
1075
1076     resource->SetSize(resourceX, resourceY, resource->GetWidth(), resource->GetHeight());
1077
1078     // Also move other selected items
1079     wxNode *node = panel->GetChildren().First();
1080     while (node)
1081     {
1082       wxWindow *win = (wxWindow *)node->Data();
1083       if (win->IsKindOf(CLASSINFO(wxControl)))
1084       {
1085         wxControl *item = (wxControl *)win;
1086         wxResourceEditorControlHandler *handler = (wxResourceEditorControlHandler *)item->GetEventHandler();
1087         if ((item != handlerControl) && handler->IsSelected())
1088         {
1089           int x1, y1;
1090           item->GetPosition(&x1, &y1);
1091           int x2 = (int)(x1 + (x - dragOffsetX) - xpos);
1092           int y2 = (int)(y1 + (y - dragOffsetY) - ypos);
1093
1094           // Update the associated resource
1095           resource = wxResourceManager::GetCurrentResourceManager()->FindResourceForWindow(item);
1096           if (parentResource->GetResourceStyle() & wxRESOURCE_DIALOG_UNITS)
1097           {
1098             wxPoint pt = item->GetParent()->ConvertPixelsToDialog(wxPoint(x2, y2));
1099             pt = item->GetParent()->ConvertDialogToPixels(pt);
1100             pt = item->GetParent()->ConvertPixelsToDialog(pt);
1101
1102             resourceX = pt.x; resourceY = pt.y;
1103             pt = handlerControl->GetParent()->ConvertDialogToPixels(pt);
1104
1105             // Having converted it several times, we know it'll map to dialog units exactly
1106             x2 = pt.x;
1107             y2 = pt.y;
1108           }
1109
1110           item->Move(x2, y2);
1111           ((wxResourceEditorControlHandler *)item->GetEventHandler())->OldOnMove(x2, y2);
1112           ((wxResourceEditorControlHandler *)item->GetEventHandler())->DrawSelectionHandles(dc);
1113
1114           resource->SetSize(resourceX, resourceY, resource->GetWidth(), resource->GetHeight());
1115
1116         }
1117       }
1118       node = node->Next();
1119     }
1120   }
1121   dc.SetOptimization(FALSE);
1122
1123   dc.SetLogicalFunction(wxCOPY);
1124   dc.SetPen(* wxBLACK_PEN);
1125   dc.SetBrush(* wxBLACK_BRUSH);
1126
1127   dc.SetOptimization(TRUE);
1128
1129   // Force it to repaint the selection handles (if any)
1130   // since the panel thinks we're still within a drag and
1131   // won't paint the handles.
1132   if (IsSelected())
1133     DrawSelectionHandles(dc);
1134
1135   dc.EndDrawing();
1136
1137   panel->Refresh();
1138 }
1139
1140 // These functions call OnItemEvent, OnItemMove and OnItemSize
1141 // by default.
1142 void wxResourceEditorControlHandler::OnMouseEvent(wxMouseEvent& event)
1143 {
1144 /*
1145   if ((event.m_eventType == wxEVENT_TYPE_LEFT_DCLICK) ||
1146       (event.m_eventType == wxEVENT_TYPE_RIGHT_DCLICK))
1147     return;
1148 */
1149   wxWindow *panel = handlerControl->GetParent();
1150   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1151         return;
1152   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1153   if ( !panelHandler->GetEvtHandlerEnabled() )
1154   {
1155         event.Skip();
1156         return;
1157   }
1158
1159   panelHandler->OnItemEvent(handlerControl, event);
1160 }
1161
1162 void wxResourceEditorControlHandler::OldOnMove(int x, int y)
1163 {
1164   wxWindow *panel = handlerControl->GetParent();
1165   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1166         return;
1167
1168   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1169   panelHandler->OnItemMove(handlerControl, x, y);
1170 }
1171
1172 void wxResourceEditorControlHandler::OldOnSize(int w, int h)
1173 {
1174   wxWindow *panel = handlerControl->GetParent();
1175   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1176         return;
1177
1178   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1179   panelHandler->OnItemSize(handlerControl, w, h);
1180 }
1181
1182 void wxResourceEditorControlHandler::OnSelect(bool select)
1183 {
1184   wxWindow *panel = handlerControl->GetParent();
1185   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1186         return;
1187
1188   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1189   panelHandler->OnItemSelect(handlerControl, select);
1190 }
1191
1192 void wxResourceEditorControlHandler::OnLeftClick(int x, int y, int keys)
1193 {
1194   wxWindow *panel = handlerControl->GetParent();
1195   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1196         return;
1197
1198   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1199   panelHandler->OnItemLeftClick(handlerControl, x, y, keys);
1200 }
1201
1202 void wxResourceEditorControlHandler::OnRightClick(int x, int y, int keys)
1203 {
1204   wxWindow *panel = handlerControl->GetParent();
1205   if ( !panel->GetEventHandler()->IsKindOf(CLASSINFO(wxResourceEditorDialogHandler)) )
1206         return;
1207
1208   wxResourceEditorDialogHandler *panelHandler = (wxResourceEditorDialogHandler *)panel->GetEventHandler();
1209   panelHandler->OnItemRightClick(handlerControl, x, y, keys);
1210 }
1211
1212