src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #include "wx/x11/private.h"
  48 #include "X11/Xutil.h"
  49
  50 #include <string.h>
  51
  52 // ----------------------------------------------------------------------------
  53 // global variables for this module
  54 // ----------------------------------------------------------------------------
  55
  56 extern wxHashTable *wxWidgetHashTable;
  57 static wxWindow* g_captureWindow = NULL;
  58
  59 // ----------------------------------------------------------------------------
  60 // macros
  61 // ----------------------------------------------------------------------------
  62
  63 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  64 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  65 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  66
  67 // ----------------------------------------------------------------------------
  68 // event tables
  69 // ----------------------------------------------------------------------------
  70
  71 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  72
  73 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  74     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  75 END_EVENT_TABLE()
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // helper functions
  83 // ----------------------------------------------------------------------------
  84
  85 // ----------------------------------------------------------------------------
  86 // constructors
  87 // ----------------------------------------------------------------------------
  88
  89 void wxWindowX11::Init()
  90 {
  91     // generic initializations first
  92     InitBase();
  93
  94     // X11-specific
  95     m_mainWidget = (WXWindow) 0;
  96
  97     m_winCaptured = FALSE;
  98
  99     m_isShown = TRUE;
 100     m_isBeingDeleted = FALSE;
 101
 102     m_lastTS = 0;
 103     m_lastButton = 0;
 104 }
 105
 106 // real construction (Init() must have been called before!)
 107 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 108                       const wxPoint& pos,
 109                       const wxSize& size,
 110                       long style,
 111                       const wxString& name)
 112 {
 113     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 114
 115     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 116
 117     parent->AddChild(this);
 118
 119     int w = size.GetWidth();
 120     int h = size.GetHeight();
 121     int x = size.GetX();
 122     int y = size.GetY();
 123     if (w == -1) w = 20;
 124     if (h == -1) h = 20;
 125     if (x == -1) x = 0;
 126     if (y == -1) y = 0;
 127
 128     Display *xdisplay = (Display*) wxGlobalDisplay();
 129     int xscreen = DefaultScreen( xdisplay );
 130     Colormap cm = DefaultColormap( xdisplay, xscreen );
 131
 132     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 133     m_backgroundColour.CalcPixel( (WXColormap) cm );
 134     m_hasBgCol = TRUE;
 135
 136     m_foregroundColour = *wxBLACK;
 137     m_foregroundColour.CalcPixel( (WXColormap) cm );
 138
 139
 140     Window parentWindow = (Window) parent->GetMainWindow();
 141
 142     Window window = XCreateSimpleWindow(
 143         xdisplay, parentWindow,
 144         x, y, w, h, 0,
 145         m_backgroundColour.GetPixel(),
 146         m_backgroundColour.GetPixel() );
 147
 148     m_mainWidget = (WXWindow) window;
 149
 150     // Select event types wanted
 151     XSelectInput(wxGlobalDisplay(), window,
 152         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 153         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 154         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 155         PropertyChangeMask);
 156
 157     wxAddWindowToTable(window, (wxWindow*) this);
 158
 159     // Is a subwindow, so map immediately
 160     m_isShown = TRUE;
 161     XMapWindow(wxGlobalDisplay(), window);
 162
 163     // Without this, the cursor may not be restored properly (e.g. in splitter
 164     // sample).
 165     SetCursor(*wxSTANDARD_CURSOR);
 166     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 167     SetSize(pos.x, pos.y, size.x, size.y);
 168
 169     return TRUE;
 170 }
 171
 172 // Destructor
 173 wxWindowX11::~wxWindowX11()
 174 {
 175     if (g_captureWindow == this)
 176         g_captureWindow = NULL;
 177
 178     m_isBeingDeleted = TRUE;
 179
 180     // X11-specific actions first
 181     Window main = (Window) m_mainWidget;
 182     if ( main )
 183     {
 184         // Removes event handlers
 185         //DetachWidget(main);
 186     }
 187
 188     if (m_parent)
 189         m_parent->RemoveChild( this );
 190
 191     DestroyChildren();
 192
 193     // Destroy the window
 194     if (main)
 195     {
 196         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 197         wxDeleteWindowFromTable( main );
 198         XDestroyWindow( wxGlobalDisplay(), main );
 199         m_mainWidget = NULL;
 200     }
 201 }
 202
 203 // ---------------------------------------------------------------------------
 204 // basic operations
 205 // ---------------------------------------------------------------------------
 206
 207 void wxWindowX11::SetFocus()
 208 {
 209     Window wMain = (Window) GetMainWindow();
 210     if (wMain)
 211     {
 212         XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
 213
 214         XWMHints wmhints;
 215         wmhints.flags = InputHint;
 216         wmhints.input = True;
 217         XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
 218     }
 219 }
 220
 221 // Get the window with the focus
 222 wxWindow *wxWindowBase::FindFocus()
 223 {
 224     Window wFocus = (Window) 0;
 225     int revert = 0;
 226
 227     XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
 228     if (wFocus)
 229     {
 230         wxWindow *win = NULL;
 231         do
 232         {
 233             win = wxGetWindowFromTable(wFocus);
 234             wFocus = wxGetWindowParent(wFocus);
 235         } while (wFocus && !win);
 236
 237         return win;
 238     }
 239
 240     return NULL;
 241 }
 242
 243 // Enabling/disabling handled by event loop, and not sending events
 244 // if disabled.
 245 bool wxWindowX11::Enable(bool enable)
 246 {
 247     if ( !wxWindowBase::Enable(enable) )
 248         return FALSE;
 249
 250     return TRUE;
 251 }
 252
 253 bool wxWindowX11::Show(bool show)
 254 {
 255     wxWindowBase::Show(show);
 256
 257     Window xwin = (Window) GetXWindow();
 258     Display *xdisp = (Display*) GetXDisplay();
 259     if (show)
 260     {
 261         wxString msg;
 262         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 263         wxLogDebug(msg);
 264         XMapWindow(xdisp, xwin);
 265         XSync(xdisp, False);
 266     }
 267     else
 268     {
 269         wxString msg;
 270         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 271         wxLogDebug(msg);
 272         XUnmapWindow(xdisp, xwin);
 273     }
 274
 275     return TRUE;
 276 }
 277
 278 // Raise the window to the top of the Z order
 279 void wxWindowX11::Raise()
 280 {
 281     if (m_mainWidget)
 282         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 283 }
 284
 285 // Lower the window to the bottom of the Z order
 286 void wxWindowX11::Lower()
 287 {
 288     if (m_mainWidget)
 289         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 290 }
 291
 292 void wxWindowX11::DoCaptureMouse()
 293 {
 294     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 295     {
 296         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 297
 298         // Core dump now
 299         int *tmp = NULL;
 300         (*tmp) = 1;
 301         return;
 302     }
 303
 304     if ( m_winCaptured )
 305         return;
 306
 307     g_captureWindow = (wxWindow*) this;
 308
 309     if (GetMainWindow())
 310     {
 311         int res = XGrabPointer(wxGlobalDisplay(), (Window) GetMainWindow(),
 312             FALSE,
 313             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 314             GrabModeAsync,
 315                 GrabModeAsync,
 316             None,
 317             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 318             CurrentTime);
 319
 320         if (res != GrabSuccess)
 321         {
 322             wxString msg;
 323             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 324             wxLogDebug(msg);
 325             if (res == GrabNotViewable)
 326             {
 327                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 328             }
 329             g_captureWindow = NULL;
 330             return;
 331         }
 332         wxLogDebug("Grabbed pointer");
 333
 334 #if 0
 335         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 336             (Window) GetMainWindow(),
 337             FALSE,
 338             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 339                 GrabModeAsync,
 340                 GrabModeAsync,
 341             None,
 342             None);
 343
 344         if (res != GrabSuccess)
 345         {
 346             wxLogDebug("Failed to grab mouse buttons.");
 347             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 348             return;
 349         }
 350 #endif
 351
 352 #if 0
 353         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 354 #if 0
 355             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 356 #else
 357             FALSE,
 358 #endif
 359             GrabModeAsync,
 360                 GrabModeAsync,
 361             CurrentTime);
 362
 363         if (res != GrabSuccess)
 364         {
 365             wxLogDebug("Failed to grab keyboard.");
 366             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 367 #if 0
 368             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 369                 (Window) GetMainWindow());
 370 #endif
 371             return;
 372         }
 373 #endif
 374
 375         m_winCaptured = TRUE;
 376     }
 377 }
 378
 379 void wxWindowX11::DoReleaseMouse()
 380 {
 381     g_captureWindow = NULL;
 382     if ( !m_winCaptured )
 383         return;
 384
 385     Window wMain = (Window)GetMainWindow();
 386
 387     if ( wMain )
 388     {
 389         XUngrabPointer(wxGlobalDisplay(), wMain);
 390 #if 0
 391         XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 392                 wMain);
 393         XUngrabKeyboard(wxGlobalDisplay(), CurrentTime);
 394 #endif
 395     }
 396     wxLogDebug("Ungrabbed pointer");
 397
 398     m_winCaptured = FALSE;
 399 }
 400
 401 bool wxWindowX11::SetFont(const wxFont& font)
 402 {
 403     if ( !wxWindowBase::SetFont(font) )
 404     {
 405         // nothing to do
 406         return FALSE;
 407     }
 408
 409     return TRUE;
 410 }
 411
 412 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 413 {
 414     if ( !wxWindowBase::SetCursor(cursor) )
 415     {
 416         // no change
 417         return FALSE;
 418     }
 419
 420     wxCursor* cursor2 = NULL;
 421     if (m_cursor.Ok())
 422         cursor2 = & m_cursor;
 423     else
 424         cursor2 = wxSTANDARD_CURSOR;
 425
 426     WXCursor x_cursor = cursor2->GetCursor();
 427
 428     Window win = (Window) GetMainWindow();
 429     XDefineCursor((Display*) wxGlobalDisplay(), win, (Cursor) x_cursor);
 430
 431     return TRUE;
 432 }
 433
 434 // Coordinates relative to the window
 435 void wxWindowX11::WarpPointer (int x, int y)
 436 {
 437     if (m_mainWidget)
 438         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 439 }
 440
 441 // Does a physical scroll
 442 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 443 {
 444 #if 0
 445     int x, y, w, h;
 446     if (rect)
 447     {
 448         // Use specified rectangle
 449         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 450     }
 451     else
 452     {
 453         // Use whole client area
 454         x = 0; y = 0;
 455         GetClientSize(& w, & h);
 456     }
 457
 458     wxNode *cnode = m_children.First();
 459     while (cnode)
 460     {
 461         wxWindow *child = (wxWindow*) cnode->Data();
 462         int sx = 0;
 463         int sy = 0;
 464         child->GetSize( &sx, &sy );
 465         wxPoint pos( child->GetPosition() );
 466         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 467         cnode = cnode->Next();
 468     }
 469
 470     int x1 = (dx >= 0) ? x : x - dx;
 471     int y1 = (dy >= 0) ? y : y - dy;
 472     int w1 = w - abs(dx);
 473     int h1 = h - abs(dy);
 474     int x2 = (dx >= 0) ? x + dx : x;
 475     int y2 = (dy >= 0) ? y + dy : y;
 476
 477     wxClientDC dc((wxWindow*) this);
 478
 479     dc.SetLogicalFunction (wxCOPY);
 480
 481     Window window = (Window) GetMainWindow();
 482     Display* display = wxGlobalDisplay();
 483
 484     XCopyArea(display, window, window, (GC) dc.GetGC(),
 485         x1, y1, w1, h1, x2, y2);
 486
 487     dc.SetAutoSetting(TRUE);
 488     wxBrush brush(GetBackgroundColour(), wxSOLID);
 489     dc.SetBrush(brush); // FIXME: needed?
 490
 491     // We'll add rectangles to the list of update rectangles according to which
 492     // bits we've exposed.
 493     wxList updateRects;
 494
 495     if (dx > 0)
 496     {
 497         wxRect *rect = new wxRect;
 498         rect->x = x;
 499         rect->y = y;
 500         rect->width = dx;
 501         rect->height = h;
 502
 503         XFillRectangle(display, window,
 504             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 505
 506         rect->x = rect->x;
 507         rect->y = rect->y;
 508         rect->width = rect->width;
 509         rect->height = rect->height;
 510
 511         updateRects.Append((wxObject*) rect);
 512     }
 513     else if (dx < 0)
 514     {
 515         wxRect *rect = new wxRect;
 516
 517         rect->x = x + w + dx;
 518         rect->y = y;
 519         rect->width = -dx;
 520         rect->height = h;
 521
 522         XFillRectangle(display, window,
 523             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 524             rect->height);
 525
 526         rect->x = rect->x;
 527         rect->y = rect->y;
 528         rect->width = rect->width;
 529         rect->height = rect->height;
 530
 531         updateRects.Append((wxObject*) rect);
 532     }
 533     if (dy > 0)
 534     {
 535         wxRect *rect = new wxRect;
 536
 537         rect->x = x;
 538         rect->y = y;
 539         rect->width = w;
 540         rect->height = dy;
 541
 542         XFillRectangle(display, window,
 543             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 544
 545         rect->x = rect->x;
 546         rect->y = rect->y;
 547         rect->width = rect->width;
 548         rect->height = rect->height;
 549
 550         updateRects.Append((wxObject*) rect);
 551     }
 552     else if (dy < 0)
 553     {
 554         wxRect *rect = new wxRect;
 555
 556         rect->x = x;
 557         rect->y = y + h + dy;
 558         rect->width = w;
 559         rect->height = -dy;
 560
 561         XFillRectangle(display, window,
 562             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 563
 564         rect->x = rect->x;
 565         rect->y = rect->y;
 566         rect->width = rect->width;
 567         rect->height = rect->height;
 568
 569         updateRects.Append((wxObject*) rect);
 570     }
 571     dc.SetBrush(wxNullBrush);
 572
 573     // Now send expose events
 574
 575     wxNode* node = updateRects.First();
 576     while (node)
 577     {
 578         wxRect* rect = (wxRect*) node->Data();
 579         XExposeEvent event;
 580
 581         event.type = Expose;
 582         event.display = display;
 583         event.send_event = True;
 584         event.window = window;
 585
 586         event.x = rect->x;
 587         event.y = rect->y;
 588         event.width = rect->width;
 589         event.height = rect->height;
 590
 591         event.count = 0;
 592
 593         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 594
 595         node = node->Next();
 596
 597     }
 598
 599     // Delete the update rects
 600     node = updateRects.First();
 601     while (node)
 602     {
 603         wxRect* rect = (wxRect*) node->Data();
 604         delete rect;
 605         node = node->Next();
 606     }
 607 #endif
 608 }
 609
 610 // ---------------------------------------------------------------------------
 611 // drag and drop
 612 // ---------------------------------------------------------------------------
 613
 614 #if wxUSE_DRAG_AND_DROP
 615
 616 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 617 {
 618     // TODO
 619 }
 620
 621 #endif
 622
 623 // Old style file-manager drag&drop
 624 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 625 {
 626     // TODO
 627 }
 628
 629 // ----------------------------------------------------------------------------
 630 // tooltips
 631 // ----------------------------------------------------------------------------
 632
 633 #if wxUSE_TOOLTIPS
 634
 635 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 636 {
 637     // TODO
 638 }
 639
 640 #endif // wxUSE_TOOLTIPS
 641
 642 // ---------------------------------------------------------------------------
 643 // moving and resizing
 644 // ---------------------------------------------------------------------------
 645
 646 bool wxWindowX11::PreResize()
 647 {
 648     return TRUE;
 649 }
 650
 651 // Get total size
 652 void wxWindowX11::DoGetSize(int *x, int *y) const
 653 {
 654     Window window = (Window) m_mainWidget;
 655     if (window)
 656     {
 657         XWindowAttributes attr;
 658         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 659         wxASSERT(status);
 660
 661         if (status)
 662         {
 663             *x = attr.width /* + 2*m_borderSize */ ;
 664             *y = attr.height /* + 2*m_borderSize */ ;
 665         }
 666     }
 667 }
 668
 669 void wxWindowX11::DoGetPosition(int *x, int *y) const
 670 {
 671     Window window = (Window) m_mainWidget;
 672     if (window)
 673     {
 674         XWindowAttributes attr;
 675         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 676         wxASSERT(status);
 677
 678         if (status)
 679         {
 680             *x = attr.x;
 681             *y = attr.y;
 682
 683             // We may be faking the client origin. So a window that's really at (0, 30)
 684             // may appear (to wxWin apps) to be at (0, 0).
 685             if (GetParent())
 686             {
 687                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 688                 *x -= pt.x;
 689                 *y -= pt.y;
 690             }
 691         }
 692     }
 693 }
 694
 695 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 696 {
 697     Display *display = wxGlobalDisplay();
 698     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 699     Window thisWindow = (Window) m_mainWidget;
 700
 701     Window childWindow;
 702     int xx = *x;
 703     int yy = *y;
 704     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 705 }
 706
 707 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 708 {
 709     Display *display = wxGlobalDisplay();
 710     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 711     Window thisWindow = (Window) m_mainWidget;
 712
 713     Window childWindow;
 714     int xx = *x;
 715     int yy = *y;
 716     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 717 }
 718
 719
 720 // Get size *available for subwindows* i.e. excluding menu bar etc.
 721 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 722 {
 723     Window window = (Window) m_mainWidget;
 724
 725     if (window)
 726     {
 727         XWindowAttributes attr;
 728         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 729         wxASSERT(status);
 730
 731         if (status)
 732         {
 733             *x = attr.width ;
 734             *y = attr.height ;
 735         }
 736     }
 737 }
 738
 739 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 740 {
 741     if (!GetMainWindow())
 742         return;
 743
 744     XWindowChanges windowChanges;
 745     int valueMask = 0;
 746
 747     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 748     {
 749         int yy = 0;
 750         AdjustForParentClientOrigin( x, yy, sizeFlags);
 751         windowChanges.x = x;
 752         valueMask |= CWX;
 753     }
 754     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 755     {
 756         int xx = 0;
 757         AdjustForParentClientOrigin( xx, y, sizeFlags);
 758         windowChanges.y = y;
 759         valueMask |= CWY;
 760     }
 761     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 762     {
 763         windowChanges.width = width /* - m_borderSize*2 */;
 764         valueMask |= CWWidth;
 765     }
 766     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 767     {
 768         windowChanges.height = height /* -m_borderSize*2*/;
 769         valueMask |= CWHeight;
 770     }
 771
 772     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 773         valueMask, & windowChanges);
 774 }
 775
 776 void wxWindowX11::DoSetClientSize(int width, int height)
 777 {
 778     if (!GetMainWindow())
 779         return;
 780
 781     XWindowChanges windowChanges;
 782     int valueMask = 0;
 783
 784     if (width != -1)
 785     {
 786         windowChanges.width = width ;
 787         valueMask |= CWWidth;
 788     }
 789     if (height != -1)
 790     {
 791         windowChanges.height = height ;
 792         valueMask |= CWHeight;
 793     }
 794     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 795         valueMask, & windowChanges);
 796 }
 797
 798 // For implementation purposes - sometimes decorations make the client area
 799 // smaller
 800 wxPoint wxWindowX11::GetClientAreaOrigin() const
 801 {
 802     return wxPoint(0, 0);
 803 }
 804
 805 // Makes an adjustment to the window position (for example, a frame that has
 806 // a toolbar that it manages itself).
 807 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 808 {
 809     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 810     {
 811         wxPoint pt(GetParent()->GetClientAreaOrigin());
 812         x += pt.x; y += pt.y;
 813     }
 814 }
 815
 816 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 817 {
 818     m_minWidth = minW;
 819     m_minHeight = minH;
 820     m_maxWidth = maxW;
 821     m_maxHeight = maxH;
 822
 823     XSizeHints sizeHints;
 824     sizeHints.flags = 0;
 825
 826     if (minW > -1 && minH > -1)
 827     {
 828         sizeHints.flags |= PMinSize;
 829         sizeHints.min_width = minW;
 830         sizeHints.min_height = minH;
 831     }
 832     if (maxW > -1 && maxH > -1)
 833     {
 834         sizeHints.flags |= PMaxSize;
 835         sizeHints.max_width = maxW;
 836         sizeHints.max_height = maxH;
 837     }
 838     if (incW > -1 && incH > -1)
 839     {
 840         sizeHints.flags |= PResizeInc;
 841         sizeHints.width_inc = incW;
 842         sizeHints.height_inc = incH;
 843     }
 844
 845     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 846 }
 847
 848 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 849 {
 850     DoSetSize(x, y, width, height);
 851 }
 852
 853 // ---------------------------------------------------------------------------
 854 // text metrics
 855 // ---------------------------------------------------------------------------
 856
 857 int wxWindowX11::GetCharHeight() const
 858 {
 859     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 860
 861     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 862
 863     int direction, ascent, descent;
 864     XCharStruct overall;
 865     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 866         &descent, &overall);
 867
 868     //  return (overall.ascent + overall.descent);
 869     return (ascent + descent);
 870 }
 871
 872 int wxWindowX11::GetCharWidth() const
 873 {
 874     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 875
 876     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 877
 878     int direction, ascent, descent;
 879     XCharStruct overall;
 880     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 881         &descent, &overall);
 882
 883     return overall.width;
 884 }
 885
 886 void wxWindowX11::GetTextExtent(const wxString& string,
 887                              int *x, int *y,
 888                              int *descent, int *externalLeading,
 889                              const wxFont *theFont) const
 890 {
 891     wxFont fontToUse = m_font;
 892     if (theFont) fontToUse = *theFont;
 893
 894     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 895
 896     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 897
 898     int direction, ascent, descent2;
 899     XCharStruct overall;
 900     int slen = string.Len();
 901
 902 #if 0
 903     if (use16)
 904         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 905         &ascent, &descent2, &overall);
 906 #endif
 907
 908     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 909                  &direction, &ascent, &descent2, &overall);
 910
 911     if ( x )
 912         *x = (overall.width);
 913     if ( y )
 914         *y = (ascent + descent2);
 915     if (descent)
 916         *descent = descent2;
 917     if (externalLeading)
 918         *externalLeading = 0;
 919
 920 }
 921
 922 // ----------------------------------------------------------------------------
 923 // painting
 924 // ----------------------------------------------------------------------------
 925
 926 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 927 {
 928     if (eraseBack)
 929     {
 930         if (rect)
 931         {
 932             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 933             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 934         }
 935         else
 936         {
 937             int height,width;
 938             GetSize( &width, &height );
 939
 940             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 941             m_clearRegion.Clear();
 942             m_clearRegion.Union( 0, 0, width, height );
 943         }
 944     }
 945
 946     if (rect)
 947     {
 948          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 949          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 950     }
 951     else
 952     {
 953         int height,width;
 954         GetSize( &width, &height );
 955
 956         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 957         m_updateRegion.Clear();
 958         m_updateRegion.Union( 0, 0, width, height );
 959     }
 960 }
 961
 962 void wxWindowX11::Update()
 963 {
 964     if (!m_updateRegion.IsEmpty())
 965     {
 966         X11SendPaintEvents();
 967     }
 968 }
 969
 970 void wxWindowX11::Clear()
 971 {
 972     wxClientDC dc((wxWindow*) this);
 973     wxBrush brush(GetBackgroundColour(), wxSOLID);
 974     dc.SetBackground(brush);
 975     dc.Clear();
 976 }
 977
 978 void wxWindowX11::X11SendPaintEvents()
 979 {
 980     m_clipPaintRegion = TRUE;
 981
 982     //    if (!m_clearRegion.IsEmpty())
 983     {
 984         wxWindowDC dc( (wxWindow*)this );
 985         dc.SetClippingRegion( m_clearRegion );
 986
 987         wxEraseEvent erase_event( GetId(), &dc );
 988         erase_event.SetEventObject( this );
 989
 990         if (!GetEventHandler()->ProcessEvent(erase_event))
 991         {
 992             wxRegionIterator upd( m_clearRegion );
 993             while (upd)
 994             {
 995                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
 996                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
 997                 upd ++;
 998             }
 999         }
1000         m_clearRegion.Clear();
1001     }
1002
1003     wxNcPaintEvent nc_paint_event( GetId() );
1004     nc_paint_event.SetEventObject( this );
1005     GetEventHandler()->ProcessEvent( nc_paint_event );
1006
1007     wxPaintEvent paint_event( GetId() );
1008     paint_event.SetEventObject( this );
1009     GetEventHandler()->ProcessEvent( paint_event );
1010
1011     m_updateRegion.Clear();
1012
1013     m_clipPaintRegion = FALSE;
1014 }
1015
1016 // ----------------------------------------------------------------------------
1017 // event handlers
1018 // ----------------------------------------------------------------------------
1019
1020 // Responds to colour changes: passes event on to children.
1021 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1022 {
1023     wxWindowList::Node *node = GetChildren().GetFirst();
1024     while ( node )
1025     {
1026         // Only propagate to non-top-level windows
1027         wxWindow *win = node->GetData();
1028         if ( win->GetParent() )
1029         {
1030             wxSysColourChangedEvent event2;
1031             event.m_eventObject = win;
1032             win->GetEventHandler()->ProcessEvent(event2);
1033         }
1034
1035         node = node->GetNext();
1036     }
1037 }
1038
1039 void wxWindowX11::OnInternalIdle()
1040 {
1041     // Update invalidated regions.
1042     Update();
1043
1044     // This calls the UI-update mechanism (querying windows for
1045     // menu/toolbar/control state information)
1046     UpdateWindowUI();
1047 }
1048
1049 // ----------------------------------------------------------------------------
1050 // function which maintain the global hash table mapping Widgets to wxWindows
1051 // ----------------------------------------------------------------------------
1052
1053 bool wxAddWindowToTable(Window w, wxWindow *win)
1054 {
1055     wxWindow *oldItem = NULL;
1056     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1057     {
1058         wxLogDebug("Widget table clash: new widget is %ld, %s",
1059                    (long)w, win->GetClassInfo()->GetClassName());
1060         return FALSE;
1061     }
1062
1063     wxWidgetHashTable->Put((long) w, win);
1064
1065     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1066                w, win, win->GetClassInfo()->GetClassName());
1067
1068     return TRUE;
1069 }
1070
1071 wxWindow *wxGetWindowFromTable(Window w)
1072 {
1073     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1074 }
1075
1076 void wxDeleteWindowFromTable(Window w)
1077 {
1078     wxWidgetHashTable->Delete((long)w);
1079 }
1080
1081 // ----------------------------------------------------------------------------
1082 // add/remove window from the table
1083 // ----------------------------------------------------------------------------
1084
1085 // ----------------------------------------------------------------------------
1086 // X11-specific accessors
1087 // ----------------------------------------------------------------------------
1088
1089 // Get the underlying X window
1090 WXWindow wxWindowX11::GetXWindow() const
1091 {
1092     return GetMainWindow();
1093 }
1094
1095 // Get the underlying X display
1096 WXDisplay *wxWindowX11::GetXDisplay() const
1097 {
1098     return wxGetDisplay();
1099 }
1100
1101 WXWindow wxWindowX11::GetMainWindow() const
1102 {
1103     return m_mainWidget;
1104 }
1105
1106 // ----------------------------------------------------------------------------
1107 // TranslateXXXEvent() functions
1108 // ----------------------------------------------------------------------------
1109
1110 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1111 {
1112     switch (xevent->xany.type)
1113     {
1114         case EnterNotify:
1115         case LeaveNotify:
1116         case ButtonPress:
1117         case ButtonRelease:
1118         case MotionNotify:
1119         {
1120             wxEventType eventType = wxEVT_NULL;
1121
1122             if (xevent->xany.type == EnterNotify)
1123             {
1124                 //if (local_event.xcrossing.mode!=NotifyNormal)
1125                 //  return ; // Ignore grab events
1126                 eventType = wxEVT_ENTER_WINDOW;
1127                 //            canvas->GetEventHandler()->OnSetFocus();
1128             }
1129             else if (xevent->xany.type == LeaveNotify)
1130             {
1131                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1132                 //  return ; // Ignore grab events
1133                 eventType = wxEVT_LEAVE_WINDOW;
1134                 //            canvas->GetEventHandler()->OnKillFocus();
1135             }
1136             else if (xevent->xany.type == MotionNotify)
1137             {
1138                 eventType = wxEVT_MOTION;
1139             }
1140             else if (xevent->xany.type == ButtonPress)
1141             {
1142                 wxevent.SetTimestamp(xevent->xbutton.time);
1143                 int button = 0;
1144                 if (xevent->xbutton.button == Button1)
1145                 {
1146                     eventType = wxEVT_LEFT_DOWN;
1147                     button = 1;
1148                 }
1149                 else if (xevent->xbutton.button == Button2)
1150                 {
1151                     eventType = wxEVT_MIDDLE_DOWN;
1152                     button = 2;
1153                 }
1154                 else if (xevent->xbutton.button == Button3)
1155                 {
1156                     eventType = wxEVT_RIGHT_DOWN;
1157                     button = 3;
1158                 }
1159
1160                 // check for a double click
1161                 // TODO: where can we get this value from?
1162                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1163                 long dclickTime = 200;
1164                 long ts = wxevent.GetTimestamp();
1165
1166                 int buttonLast = win->GetLastClickedButton();
1167                 long lastTS = win->GetLastClickTime();
1168                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1169                 {
1170                     // I have a dclick
1171                     win->SetLastClick(0, ts);
1172                     if ( eventType == wxEVT_LEFT_DOWN )
1173                         eventType = wxEVT_LEFT_DCLICK;
1174                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1175                         eventType = wxEVT_MIDDLE_DCLICK;
1176                     else if ( eventType == wxEVT_RIGHT_DOWN )
1177                         eventType = wxEVT_RIGHT_DCLICK;
1178                 }
1179                 else
1180                 {
1181                     // not fast enough or different button
1182                     win->SetLastClick(button, ts);
1183                 }
1184             }
1185             else if (xevent->xany.type == ButtonRelease)
1186             {
1187                 if (xevent->xbutton.button == Button1)
1188                 {
1189                     eventType = wxEVT_LEFT_UP;
1190                 }
1191                 else if (xevent->xbutton.button == Button2)
1192                 {
1193                     eventType = wxEVT_MIDDLE_UP;
1194                 }
1195                 else if (xevent->xbutton.button == Button3)
1196                 {
1197                     eventType = wxEVT_RIGHT_UP;
1198                 }
1199                 else return FALSE;
1200             }
1201             else
1202             {
1203                 return FALSE;
1204             }
1205
1206             wxevent.SetEventType(eventType);
1207
1208             wxevent.m_x = xevent->xbutton.x;
1209             wxevent.m_y = xevent->xbutton.y;
1210
1211             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1212                 || (event_left_is_down (xevent)
1213                 && (eventType != wxEVT_LEFT_UP)));
1214             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1215                 || (event_middle_is_down (xevent)
1216                 && (eventType != wxEVT_MIDDLE_UP)));
1217             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1218                 || (event_right_is_down (xevent)
1219                 && (eventType != wxEVT_RIGHT_UP)));
1220
1221             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1222             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1223             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1224             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1225
1226             wxevent.SetId(win->GetId());
1227             wxevent.SetEventObject(win);
1228
1229             return TRUE;
1230         }
1231     }
1232     return FALSE;
1233 }
1234
1235 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1236 {
1237     switch (xevent->xany.type)
1238     {
1239     case KeyPress:
1240     case KeyRelease:
1241         {
1242             char buf[20];
1243
1244             KeySym keySym;
1245             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1246             int id = wxCharCodeXToWX (keySym);
1247
1248             if (xevent->xkey.state & ShiftMask)
1249                 wxevent.m_shiftDown = TRUE;
1250             if (xevent->xkey.state & ControlMask)
1251                 wxevent.m_controlDown = TRUE;
1252             if (xevent->xkey.state & Mod3Mask)
1253                 wxevent.m_altDown = TRUE;
1254             if (xevent->xkey.state & Mod1Mask)
1255                 wxevent.m_metaDown = TRUE;
1256             wxevent.SetEventObject(win);
1257             wxevent.m_keyCode = id;
1258             wxevent.SetTimestamp(xevent->xkey.time);
1259
1260             wxevent.m_x = xevent->xbutton.x;
1261             wxevent.m_y = xevent->xbutton.y;
1262
1263             if (id > -1)
1264                 return TRUE;
1265             else
1266                 return FALSE;
1267             break;
1268         }
1269     default:
1270         break;
1271     }
1272     return FALSE;
1273 }
1274
1275 // ----------------------------------------------------------------------------
1276 // Colour stuff
1277 // ----------------------------------------------------------------------------
1278
1279 #if 0
1280
1281 #define YAllocColor XAllocColor
1282 XColor g_itemColors[5];
1283 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1284 {
1285     int result;
1286     static XmColorProc colorProc;
1287
1288     result = wxNO_COLORS;
1289
1290     if (back)
1291     {
1292         g_itemColors[0].red = (((long) back->Red ()) << 8);
1293         g_itemColors[0].green = (((long) back->Green ()) << 8);
1294         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1295         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1296         if (colorProc == (XmColorProc) NULL)
1297         {
1298             // Get a ptr to the actual function
1299             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1300             // And set it back to motif.
1301             XmSetColorCalculation (colorProc);
1302         }
1303         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1304             &g_itemColors[wxFORE_INDEX],
1305             &g_itemColors[wxSELE_INDEX],
1306             &g_itemColors[wxTOPS_INDEX],
1307             &g_itemColors[wxBOTS_INDEX]);
1308         result = wxBACK_COLORS;
1309     }
1310     if (fore)
1311     {
1312         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1313         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1314         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1315         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1316         if (result == wxNO_COLORS)
1317             result = wxFORE_COLORS;
1318     }
1319
1320     Display *dpy = display;
1321     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1322
1323     if (back)
1324     {
1325         /* 5 Colours to allocate */
1326         for (int i = 0; i < 5; i++)
1327             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1328                 result = wxNO_COLORS;
1329     }
1330     else if (fore)
1331     {
1332         /* Only 1 colour to allocate */
1333         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1334             result = wxNO_COLORS;
1335     }
1336
1337     return (result);
1338
1339 }
1340 #endif
1341
1342 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1343 {
1344     wxWindowBase::SetBackgroundColour(col);
1345
1346     if (!GetMainWindow())
1347         return FALSE;
1348
1349     Display *xdisplay = (Display*) wxGlobalDisplay();
1350     int xscreen = DefaultScreen( xdisplay );
1351     Colormap cm = DefaultColormap( xdisplay, xscreen );
1352
1353     wxColour colour( col );
1354     colour.CalcPixel( (WXColormap) cm );
1355
1356     XSetWindowAttributes attrib;
1357     attrib.background_pixel = colour.GetPixel();
1358
1359     XChangeWindowAttributes(wxGlobalDisplay(),
1360         (Window) GetMainWindow(),
1361         CWBackPixel,
1362         & attrib);
1363
1364     return TRUE;
1365 }
1366
1367 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1368 {
1369     if ( !wxWindowBase::SetForegroundColour(col) )
1370         return FALSE;
1371
1372     return TRUE;
1373 }
1374
1375 // ----------------------------------------------------------------------------
1376 // global functions
1377 // ----------------------------------------------------------------------------
1378
1379 wxWindow *wxGetActiveWindow()
1380 {
1381     // TODO
1382     wxFAIL_MSG("Not implemented");
1383     return NULL;
1384 }
1385
1386 /* static */
1387 wxWindow *wxWindowBase::GetCapture()
1388 {
1389     return (wxWindow *)g_captureWindow;
1390 }
1391
1392
1393 // Find the wxWindow at the current mouse position, returning the mouse
1394 // position.
1395 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1396 {
1397     return wxFindWindowAtPoint(wxGetMousePosition());
1398 }
1399
1400 // Get the current mouse position.
1401 wxPoint wxGetMousePosition()
1402 {
1403     Display *display = wxGlobalDisplay();
1404     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1405     Window rootReturn, childReturn;
1406     int rootX, rootY, winX, winY;
1407     unsigned int maskReturn;
1408
1409     XQueryPointer (display,
1410                    rootWindow,
1411                    &rootReturn,
1412                    &childReturn,
1413                    &rootX, &rootY, &winX, &winY, &maskReturn);
1414     return wxPoint(rootX, rootY);
1415 }
1416
1417
1418 // ----------------------------------------------------------------------------
1419 // wxNoOptimize: switch off size optimization
1420 // ----------------------------------------------------------------------------
1421
1422 int wxNoOptimize::ms_count = 0;
1423