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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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/scrolbar.h"
  40 #include "wx/module.h"
  41 #include "wx/menuitem.h"
  42 #include "wx/log.h"
  43 #include "wx/fontutil.h"
  44 #include "wx/univ/renderer.h"
  45 #include "wx/hash.h"
  46
  47 #if  wxUSE_DRAG_AND_DROP
  48     #include "wx/dnd.h"
  49 #endif
  50
  51 #include "wx/x11/private.h"
  52 #include "X11/Xutil.h"
  53
  54 #if wxUSE_NANOX
  55 // For wxGetLocalTime, used by XButtonEventGetTime
  56 #include "wx/timer.h"
  57 #endif
  58
  59 #include <string.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // global variables for this module
  63 // ----------------------------------------------------------------------------
  64
  65 static wxWindow* g_captureWindow = NULL;
  66 static GC g_eraseGC;
  67
  68 // ----------------------------------------------------------------------------
  69 // macros
  70 // ----------------------------------------------------------------------------
  71
  72 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  73 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  74 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  75
  76 // ----------------------------------------------------------------------------
  77 // event tables
  78 // ----------------------------------------------------------------------------
  79
  80 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  81
  82 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  83     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  84 END_EVENT_TABLE()
  85
  86 // ============================================================================
  87 // implementation
  88 // ============================================================================
  89
  90 // ----------------------------------------------------------------------------
  91 // helper functions
  92 // ----------------------------------------------------------------------------
  93
  94 // ----------------------------------------------------------------------------
  95 // constructors
  96 // ----------------------------------------------------------------------------
  97
  98 void wxWindowX11::Init()
  99 {
 100     // X11-specific
 101     m_mainWindow = (WXWindow) 0;
 102     m_clientWindow = (WXWindow) 0;
 103     m_insertIntoMain = FALSE;
 104     m_updateNcArea = FALSE;
 105
 106     m_winCaptured = FALSE;
 107     m_needsInputFocus = FALSE;
 108     m_isShown = TRUE;
 109     m_lastTS = 0;
 110     m_lastButton = 0;
 111 }
 112
 113 // real construction (Init() must have been called before!)
 114 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 115                       const wxPoint& pos,
 116                       const wxSize& size,
 117                       long style,
 118                       const wxString& name)
 119 {
 120     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 121
 122     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 123
 124     parent->AddChild(this);
 125
 126     Display *xdisplay = (Display*) wxGlobalDisplay();
 127     int xscreen = DefaultScreen( xdisplay );
 128     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 129     Colormap cm = DefaultColormap( xdisplay, xscreen );
 130
 131     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 132     m_backgroundColour.CalcPixel( (WXColormap) cm );
 133
 134     m_foregroundColour = *wxBLACK;
 135     m_foregroundColour.CalcPixel( (WXColormap) cm );
 136
 137     Window xparent = (Window) parent->GetClientAreaWindow();
 138
 139     // Add window's own scrollbars to main window, not to client window
 140     if (parent->GetInsertIntoMain())
 141     {
 142         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 143         xparent = (Window) parent->GetMainWindow();
 144     }
 145
 146     // Size (not including the border) must be nonzero (or a Value error results)!
 147     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 148     wxSize size2(size);
 149     if (size2.x <= 0)
 150         size2.x = 20;
 151     if (size2.y <= 0)
 152         size2.y = 20;
 153
 154     wxPoint pos2(pos);
 155     if (pos2.x == -1)
 156         pos2.x = 0;
 157     if (pos2.y == -1)
 158         pos2.y = 0;
 159
 160 #if wxUSE_TWO_WINDOWS
 161     bool need_two_windows =
 162         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 163 #else
 164     bool need_two_windows = FALSE;
 165 #endif
 166
 167 #if wxUSE_NANOX
 168     long xattributes = 0;
 169 #else
 170     XSetWindowAttributes xattributes;
 171     long xattributes_mask = 0;
 172
 173     xattributes_mask |= CWBackPixel;
 174     xattributes.background_pixel = m_backgroundColour.GetPixel();
 175
 176     xattributes_mask |= CWBorderPixel;
 177     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 178
 179     xattributes_mask |= CWEventMask;
 180 #endif
 181
 182     if (need_two_windows)
 183     {
 184 #if wxUSE_NANOX
 185         long backColor, foreColor;
 186         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 187         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 188
 189         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 190                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 191         XSelectInput( xdisplay, xwindow,
 192           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 193           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 194           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 195                       PropertyChangeMask );
 196
 197 #else
 198         // Normal X11
 199         xattributes.event_mask =
 200             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 201
 202         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 203             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 204
 205 #endif
 206
 207         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 208
 209         m_mainWindow = (WXWindow) xwindow;
 210         wxAddWindowToTable( xwindow, (wxWindow*) this );
 211
 212         XMapWindow( xdisplay, xwindow );
 213
 214 #if !wxUSE_NANOX
 215         xattributes.event_mask =
 216             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 217             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 218             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 219             PropertyChangeMask | VisibilityChangeMask ;
 220
 221         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 222         {
 223             xattributes_mask |= CWBitGravity;
 224             xattributes.bit_gravity = StaticGravity;
 225         }
 226 #endif
 227
 228         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 229         {
 230             pos2.x = 2;
 231             pos2.y = 2;
 232             size2.x -= 4;
 233             size2.y -= 4;
 234         }
 235         else if (HasFlag( wxSIMPLE_BORDER ))
 236         {
 237             pos2.x = 1;
 238             pos2.y = 1;
 239             size2.x -= 2;
 240             size2.y -= 2;
 241         }
 242         else
 243         {
 244             pos2.x = 0;
 245             pos2.y = 0;
 246         }
 247
 248         // Make again sure the size is nonzero.
 249         if (size2.x <= 0)
 250             size2.x = 1;
 251         if (size2.y <= 0)
 252             size2.y = 1;
 253
 254 #if wxUSE_NANOX
 255         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 256         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 257
 258         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 259                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 260         XSelectInput( xdisplay, xwindow,
 261           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 262           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 263           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 264                       PropertyChangeMask );
 265
 266 #else
 267         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 268             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 269 #endif
 270
 271         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 272
 273         m_clientWindow = (WXWindow) xwindow;
 274         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 275
 276         XMapWindow( xdisplay, xwindow );
 277     }
 278     else
 279     {
 280         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 281 #if wxUSE_NANOX
 282         long backColor, foreColor;
 283         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 284         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 285
 286         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 287                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 288         XSelectInput( xdisplay, xwindow,
 289           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 290           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 291           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 292                       PropertyChangeMask );
 293
 294 #else
 295         xattributes.event_mask =
 296             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 297             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 298             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 299             PropertyChangeMask | VisibilityChangeMask ;
 300
 301         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 302         {
 303             xattributes_mask |= CWBitGravity;
 304             xattributes.bit_gravity = NorthWestGravity;
 305         }
 306
 307         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 308             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 309 #endif
 310
 311         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 312
 313         m_mainWindow = (WXWindow) xwindow;
 314         m_clientWindow = m_mainWindow;
 315         wxAddWindowToTable( xwindow, (wxWindow*) this );
 316
 317         XMapWindow( xdisplay, xwindow );
 318     }
 319
 320     // Is a subwindow, so map immediately
 321     m_isShown = TRUE;
 322
 323     // Without this, the cursor may not be restored properly (e.g. in splitter
 324     // sample).
 325     SetCursor(*wxSTANDARD_CURSOR);
 326     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 327
 328     // Don't call this, it can have nasty repercussions for composite controls,
 329     // for example
 330     //    SetSize(pos.x, pos.y, size.x, size.y);
 331
 332     return TRUE;
 333 }
 334
 335 // Destructor
 336 wxWindowX11::~wxWindowX11()
 337 {
 338     SendDestroyEvent();
 339
 340     if (g_captureWindow == this)
 341         g_captureWindow = NULL;
 342
 343     m_isBeingDeleted = TRUE;
 344
 345     DestroyChildren();
 346
 347     if (m_clientWindow != m_mainWindow)
 348     {
 349         // Destroy the cleint window
 350         Window xwindow = (Window) m_clientWindow;
 351         wxDeleteClientWindowFromTable( xwindow );
 352         XDestroyWindow( wxGlobalDisplay(), xwindow );
 353         m_clientWindow = NULL;
 354     }
 355
 356     // Destroy the window
 357     Window xwindow = (Window) m_mainWindow;
 358     wxDeleteWindowFromTable( xwindow );
 359     XDestroyWindow( wxGlobalDisplay(), xwindow );
 360     m_mainWindow = NULL;
 361 }
 362
 363 // ---------------------------------------------------------------------------
 364 // basic operations
 365 // ---------------------------------------------------------------------------
 366
 367 void wxWindowX11::SetFocus()
 368 {
 369     Window xwindow = (Window) m_clientWindow;
 370
 371     wxCHECK_RET( xwindow, wxT("invalid window") );
 372
 373     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 374
 375 #if 0
 376     if (GetName() == "scrollBar")
 377     {
 378         char *crash = NULL;
 379         *crash = 0;
 380     }
 381 #endif
 382
 383     if (wxWindowIsVisible(xwindow))
 384     {
 385         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 386         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 387         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 388         m_needsInputFocus = FALSE;
 389     }
 390     else
 391     {
 392         m_needsInputFocus = TRUE;
 393     }
 394 }
 395
 396 // Get the window with the focus
 397 wxWindow *wxWindowBase::FindFocus()
 398 {
 399     Window xfocus = (Window) 0;
 400     int revert = 0;
 401
 402     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 403     if (xfocus)
 404     {
 405         wxWindow *win = wxGetWindowFromTable( xfocus );
 406         if (!win)
 407         {
 408             win = wxGetClientWindowFromTable( xfocus );
 409         }
 410
 411         return win;
 412     }
 413
 414     return NULL;
 415 }
 416
 417 // Enabling/disabling handled by event loop, and not sending events
 418 // if disabled.
 419 bool wxWindowX11::Enable(bool enable)
 420 {
 421     if ( !wxWindowBase::Enable(enable) )
 422         return FALSE;
 423
 424     return TRUE;
 425 }
 426
 427 bool wxWindowX11::Show(bool show)
 428 {
 429     wxWindowBase::Show(show);
 430
 431     Window xwindow = (Window) m_mainWindow;
 432     Display *xdisp = wxGlobalDisplay();
 433     if (show)
 434     {
 435         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 436         XMapWindow(xdisp, xwindow);
 437     }
 438     else
 439     {
 440         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 441         XUnmapWindow(xdisp, xwindow);
 442     }
 443
 444     return TRUE;
 445 }
 446
 447 // Raise the window to the top of the Z order
 448 void wxWindowX11::Raise()
 449 {
 450     if (m_mainWindow)
 451         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 452 }
 453
 454 // Lower the window to the bottom of the Z order
 455 void wxWindowX11::Lower()
 456 {
 457     if (m_mainWindow)
 458         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 459 }
 460
 461 void wxWindowX11::DoCaptureMouse()
 462 {
 463     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 464     {
 465         wxASSERT_MSG(FALSE, wxT("Trying to capture before mouse released."));
 466
 467         // Core dump now
 468         int *tmp = NULL;
 469         (*tmp) = 1;
 470         return;
 471     }
 472
 473     if (m_winCaptured)
 474         return;
 475
 476     Window xwindow = (Window) m_clientWindow;
 477
 478     wxCHECK_RET( xwindow, wxT("invalid window") );
 479
 480     g_captureWindow = (wxWindow*) this;
 481
 482     if (xwindow)
 483     {
 484         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 485             FALSE,
 486             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 487             GrabModeAsync,
 488             GrabModeAsync,
 489             None,
 490             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 491             CurrentTime );
 492
 493         if (res != GrabSuccess)
 494         {
 495             wxString msg;
 496             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 497             wxLogDebug(msg);
 498             if (res == GrabNotViewable)
 499                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 500
 501             g_captureWindow = NULL;
 502             return;
 503         }
 504
 505         m_winCaptured = TRUE;
 506     }
 507 }
 508
 509 void wxWindowX11::DoReleaseMouse()
 510 {
 511     g_captureWindow = NULL;
 512
 513     if ( !m_winCaptured )
 514         return;
 515
 516     Window xwindow = (Window) m_clientWindow;
 517
 518     if (xwindow)
 519     {
 520         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 521     }
 522
 523     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 524
 525     m_winCaptured = FALSE;
 526 }
 527
 528 bool wxWindowX11::SetFont(const wxFont& font)
 529 {
 530     if ( !wxWindowBase::SetFont(font) )
 531     {
 532         // nothing to do
 533         return FALSE;
 534     }
 535
 536     return TRUE;
 537 }
 538
 539 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 540 {
 541     if ( !wxWindowBase::SetCursor(cursor) )
 542     {
 543         // no change
 544         return FALSE;
 545     }
 546
 547     Window xwindow = (Window) m_clientWindow;
 548
 549     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 550
 551     wxCursor cursorToUse;
 552     if (m_cursor.Ok())
 553         cursorToUse = m_cursor;
 554     else
 555         cursorToUse = *wxSTANDARD_CURSOR;
 556
 557     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 558
 559     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 560
 561     return TRUE;
 562 }
 563
 564 // Coordinates relative to the window
 565 void wxWindowX11::WarpPointer (int x, int y)
 566 {
 567     Window xwindow = (Window) m_clientWindow;
 568
 569     wxCHECK_RET( xwindow, wxT("invalid window") );
 570
 571     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 572 }
 573
 574 // Does a physical scroll
 575 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 576 {
 577     // No scrolling requested.
 578     if ((dx == 0) && (dy == 0)) return;
 579
 580     if (!m_updateRegion.IsEmpty())
 581     {
 582         m_updateRegion.Offset( dx, dy );
 583
 584         int cw = 0;
 585         int ch = 0;
 586         GetSize( &cw, &ch );  // GetClientSize() ??
 587         m_updateRegion.Intersect( 0, 0, cw, ch );
 588     }
 589
 590     if (!m_clearRegion.IsEmpty())
 591     {
 592         m_clearRegion.Offset( dx, dy );
 593
 594         int cw = 0;
 595         int ch = 0;
 596         GetSize( &cw, &ch );  // GetClientSize() ??
 597         m_clearRegion.Intersect( 0, 0, cw, ch );
 598     }
 599
 600     Window xwindow = (Window) GetClientAreaWindow();
 601
 602     wxCHECK_RET( xwindow, wxT("invalid window") );
 603
 604     Display *xdisplay = wxGlobalDisplay();
 605
 606     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 607     XSetGraphicsExposures( xdisplay, xgc, True );
 608
 609     int s_x = 0;
 610     int s_y = 0;
 611     int cw;
 612     int ch;
 613     if (rect)
 614     {
 615         s_x = rect->x;
 616         s_y = rect->y;
 617
 618         cw = rect->width;
 619         ch = rect->height;
 620     }
 621     else
 622     {
 623         s_x = 0;
 624         s_y = 0;
 625         GetClientSize( &cw, &ch );
 626     }
 627
 628 #if wxUSE_TWO_WINDOWS
 629     wxPoint offset( 0,0 );
 630 #else
 631     wxPoint offset = GetClientAreaOrigin();
 632     s_x += offset.x;
 633     s_y += offset.y;
 634 #endif
 635
 636     int w = cw - abs(dx);
 637     int h = ch - abs(dy);
 638
 639     if ((h < 0) || (w < 0))
 640     {
 641         Refresh();
 642     }
 643     else
 644     {
 645         wxRect rect;
 646         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 647         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 648         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 649         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 650
 651         int d_x = s_x;
 652         int d_y = s_y;
 653
 654         if (dx < 0) s_x += -dx;
 655         if (dy < 0) s_y += -dy;
 656         if (dx > 0) d_x = dx + offset.x;
 657         if (dy > 0) d_y = dy + offset.y;
 658
 659         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 660
 661         // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
 662
 663         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 664
 665         m_updateRegion.Union( rect );
 666         m_clearRegion.Union( rect );
 667     }
 668
 669     XFreeGC( xdisplay, xgc );
 670 }
 671
 672 // ---------------------------------------------------------------------------
 673 // drag and drop
 674 // ---------------------------------------------------------------------------
 675
 676 #if wxUSE_DRAG_AND_DROP
 677
 678 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 679 {
 680     // TODO
 681 }
 682
 683 #endif
 684
 685 // Old style file-manager drag&drop
 686 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 687 {
 688     // TODO
 689 }
 690
 691 // ----------------------------------------------------------------------------
 692 // tooltips
 693 // ----------------------------------------------------------------------------
 694
 695 #if wxUSE_TOOLTIPS
 696
 697 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 698 {
 699     // TODO
 700 }
 701
 702 #endif // wxUSE_TOOLTIPS
 703
 704 // ---------------------------------------------------------------------------
 705 // moving and resizing
 706 // ---------------------------------------------------------------------------
 707
 708 bool wxWindowX11::PreResize()
 709 {
 710     return TRUE;
 711 }
 712
 713 // Get total size
 714 void wxWindowX11::DoGetSize(int *x, int *y) const
 715 {
 716     Window xwindow = (Window) m_mainWindow;
 717
 718     wxCHECK_RET( xwindow, wxT("invalid window") );
 719
 720     //XSync(wxGlobalDisplay(), False);
 721
 722     XWindowAttributes attr;
 723     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 724     wxASSERT(status);
 725
 726     if (status)
 727     {
 728         *x = attr.width /* + 2*m_borderSize */ ;
 729         *y = attr.height /* + 2*m_borderSize */ ;
 730     }
 731 }
 732
 733 void wxWindowX11::DoGetPosition(int *x, int *y) const
 734 {
 735     Window window = (Window) m_mainWindow;
 736     if (window)
 737     {
 738         //XSync(wxGlobalDisplay(), False);
 739         XWindowAttributes attr;
 740         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 741         wxASSERT(status);
 742
 743         if (status)
 744         {
 745             *x = attr.x;
 746             *y = attr.y;
 747
 748             // We may be faking the client origin. So a window that's really at (0, 30)
 749             // may appear (to wxWin apps) to be at (0, 0).
 750             if (GetParent())
 751             {
 752                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 753                 *x -= pt.x;
 754                 *y -= pt.y;
 755             }
 756         }
 757     }
 758 }
 759
 760 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 761 {
 762     Display *display = wxGlobalDisplay();
 763     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 764     Window thisWindow = (Window) m_clientWindow;
 765
 766     Window childWindow;
 767     int xx = *x;
 768     int yy = *y;
 769     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 770 }
 771
 772 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 773 {
 774     Display *display = wxGlobalDisplay();
 775     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 776     Window thisWindow = (Window) m_clientWindow;
 777
 778     Window childWindow;
 779     int xx = *x;
 780     int yy = *y;
 781     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 782 }
 783
 784
 785 // Get size *available for subwindows* i.e. excluding menu bar etc.
 786 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 787 {
 788     Window window = (Window) m_mainWindow;
 789
 790     if (window)
 791     {
 792         XWindowAttributes attr;
 793         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 794         wxASSERT(status);
 795
 796         if (status)
 797         {
 798             *x = attr.width ;
 799             *y = attr.height ;
 800         }
 801     }
 802 }
 803
 804 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 805 {
 806     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 807
 808     Window xwindow = (Window) m_mainWindow;
 809
 810     wxCHECK_RET( xwindow, wxT("invalid window") );
 811
 812     XWindowAttributes attr;
 813     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 814     wxCHECK_RET( status, wxT("invalid window attributes") );
 815
 816     int new_x = attr.x;
 817     int new_y = attr.y;
 818     int new_w = attr.width;
 819     int new_h = attr.height;
 820
 821     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 822     {
 823         int yy = 0;
 824         AdjustForParentClientOrigin( x, yy, sizeFlags);
 825         new_x = x;
 826     }
 827     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 828     {
 829         int xx = 0;
 830         AdjustForParentClientOrigin( xx, y, sizeFlags);
 831         new_y = y;
 832     }
 833     if (width != -1)
 834     {
 835         new_w = width;
 836         if (new_w <= 0)
 837             new_w = 20;
 838     }
 839     if (height != -1)
 840     {
 841         new_h = height;
 842         if (new_h <= 0)
 843             new_h = 20;
 844     }
 845
 846     DoMoveWindow( new_x, new_y, new_w, new_h );
 847 }
 848
 849 void wxWindowX11::DoSetClientSize(int width, int height)
 850 {
 851     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 852
 853     Window xwindow = (Window) m_mainWindow;
 854
 855     wxCHECK_RET( xwindow, wxT("invalid window") );
 856
 857     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 858
 859     if (m_mainWindow != m_clientWindow)
 860     {
 861         xwindow = (Window) m_clientWindow;
 862
 863         wxWindow *window = (wxWindow*) this;
 864         wxRenderer *renderer = window->GetRenderer();
 865         if (renderer)
 866         {
 867             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 868             width -= border.x + border.width;
 869             height -= border.y + border.height;
 870         }
 871
 872         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 873     }
 874 }
 875
 876 // For implementation purposes - sometimes decorations make the client area
 877 // smaller
 878 wxPoint wxWindowX11::GetClientAreaOrigin() const
 879 {
 880     return wxPoint(0, 0);
 881 }
 882
 883 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 884 {
 885     Window xwindow = (Window) m_mainWindow;
 886
 887     wxCHECK_RET( xwindow, wxT("invalid window") );
 888
 889 #if !wxUSE_NANOX
 890
 891     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 892     if (m_mainWindow != m_clientWindow)
 893     {
 894         xwindow = (Window) m_clientWindow;
 895
 896         wxWindow *window = (wxWindow*) this;
 897         wxRenderer *renderer = window->GetRenderer();
 898         if (renderer)
 899         {
 900             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 901             x = border.x;
 902             y = border.y;
 903             width -= border.x + border.width;
 904             height -= border.y + border.height;
 905         }
 906         else
 907         {
 908             x = 0;
 909             y = 0;
 910         }
 911
 912         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 913         if (sb && sb->IsShown())
 914         {
 915             wxSize size = sb->GetSize();
 916             height -= size.y;
 917         }
 918         sb = window->GetScrollbar( wxVERTICAL );
 919         if (sb && sb->IsShown())
 920         {
 921             wxSize size = sb->GetSize();
 922             width -= size.x;
 923         }
 924
 925         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 926     }
 927
 928 #else
 929
 930     XWindowChanges windowChanges;
 931     windowChanges.x = x;
 932     windowChanges.y = y;
 933     windowChanges.width = width;
 934     windowChanges.height = height;
 935     windowChanges.stack_mode = 0;
 936     int valueMask = CWX | CWY | CWWidth | CWHeight;
 937
 938     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 939
 940 #endif
 941 }
 942
 943 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 944 {
 945     m_minWidth = minW;
 946     m_minHeight = minH;
 947     m_maxWidth = maxW;
 948     m_maxHeight = maxH;
 949
 950 #if !wxUSE_NANOX
 951     XSizeHints sizeHints;
 952     sizeHints.flags = 0;
 953
 954     if (minW > -1 && minH > -1)
 955     {
 956         sizeHints.flags |= PMinSize;
 957         sizeHints.min_width = minW;
 958         sizeHints.min_height = minH;
 959     }
 960     if (maxW > -1 && maxH > -1)
 961     {
 962         sizeHints.flags |= PMaxSize;
 963         sizeHints.max_width = maxW;
 964         sizeHints.max_height = maxH;
 965     }
 966     if (incW > -1 && incH > -1)
 967     {
 968         sizeHints.flags |= PResizeInc;
 969         sizeHints.width_inc = incW;
 970         sizeHints.height_inc = incH;
 971     }
 972
 973     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 974 #endif
 975 }
 976
 977 // ---------------------------------------------------------------------------
 978 // text metrics
 979 // ---------------------------------------------------------------------------
 980
 981 int wxWindowX11::GetCharHeight() const
 982 {
 983     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
 984
 985 #if wxUSE_UNICODE
 986     // There should be an easier way.
 987     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
 988     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
 989     pango_layout_set_text(layout, "H", 1 );
 990     int w,h;
 991     pango_layout_get_pixel_size(layout, &w, &h);
 992     g_object_unref( G_OBJECT( layout ) );
 993
 994     return h;
 995 #else
 996     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
 997
 998     int direction, ascent, descent;
 999     XCharStruct overall;
1000     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1001         &descent, &overall);
1002
1003     //  return (overall.ascent + overall.descent);
1004     return (ascent + descent);
1005 #endif
1006 }
1007
1008 int wxWindowX11::GetCharWidth() const
1009 {
1010     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
1011
1012 #if wxUSE_UNICODE
1013     // There should be an easier way.
1014     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1015     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1016     pango_layout_set_text(layout, "H", 1 );
1017     int w,h;
1018     pango_layout_get_pixel_size(layout, &w, &h);
1019     g_object_unref( G_OBJECT( layout ) );
1020
1021     return w;
1022 #else
1023     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1024
1025     int direction, ascent, descent;
1026     XCharStruct overall;
1027     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1028         &descent, &overall);
1029
1030     return overall.width;
1031 #endif
1032 }
1033
1034 void wxWindowX11::GetTextExtent(const wxString& string,
1035                              int *x, int *y,
1036                              int *descent, int *externalLeading,
1037                              const wxFont *theFont) const
1038 {
1039     wxFont fontToUse = m_font;
1040     if (theFont) fontToUse = *theFont;
1041
1042     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1043
1044     if (string.IsEmpty())
1045     {
1046         if (x) (*x) = 0;
1047         if (y) (*y) = 0;
1048         return;
1049     }
1050
1051 #if wxUSE_UNICODE
1052     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1053
1054     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1055     pango_layout_set_font_description(layout, desc);
1056
1057     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1058     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1059
1060     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1061
1062
1063     PangoRectangle rect;
1064     pango_layout_line_get_extents(line, NULL, &rect);
1065
1066     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1067     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1068     if (descent)
1069     {
1070         // Do something about metrics here
1071         (*descent) = 0;
1072     }
1073     if (externalLeading) (*externalLeading) = 0;  // ??
1074
1075     g_object_unref( G_OBJECT( layout ) );
1076 #else
1077     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1078
1079     int direction, ascent, descent2;
1080     XCharStruct overall;
1081     int slen = string.Len();
1082
1083     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1084                  &direction, &ascent, &descent2, &overall);
1085
1086     if ( x )
1087         *x = (overall.width);
1088     if ( y )
1089         *y = (ascent + descent2);
1090     if (descent)
1091         *descent = descent2;
1092     if (externalLeading)
1093         *externalLeading = 0;
1094 #endif
1095 }
1096
1097 // ----------------------------------------------------------------------------
1098 // painting
1099 // ----------------------------------------------------------------------------
1100
1101 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1102 {
1103     if (eraseBack)
1104     {
1105         if (rect)
1106         {
1107             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1108             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1109         }
1110         else
1111         {
1112             int height,width;
1113             GetSize( &width, &height );
1114
1115             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1116             m_clearRegion.Clear();
1117             m_clearRegion.Union( 0, 0, width, height );
1118         }
1119     }
1120
1121     if (rect)
1122     {
1123          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1124          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1125     }
1126     else
1127     {
1128         int height,width;
1129         GetSize( &width, &height );
1130
1131         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1132         m_updateRegion.Clear();
1133         m_updateRegion.Union( 0, 0, width, height );
1134     }
1135 }
1136
1137 void wxWindowX11::Update()
1138 {
1139     if (m_updateNcArea)
1140     {
1141         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1142         // Send nc paint events.
1143         SendNcPaintEvents();
1144     }
1145
1146     if (!m_updateRegion.IsEmpty())
1147     {
1148         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1149         // Actually send erase events.
1150         SendEraseEvents();
1151
1152         // Actually send paint events.
1153         SendPaintEvents();
1154     }
1155 }
1156
1157 void wxWindowX11::SendEraseEvents()
1158 {
1159     if (m_clearRegion.IsEmpty()) return;
1160
1161     wxClientDC dc( (wxWindow*)this );
1162     dc.SetClippingRegion( m_clearRegion );
1163
1164     wxEraseEvent erase_event( GetId(), &dc );
1165     erase_event.SetEventObject( this );
1166
1167     if (!GetEventHandler()->ProcessEvent(erase_event) )
1168     {
1169         Display *xdisplay = wxGlobalDisplay();
1170         Window xwindow = (Window) GetClientAreaWindow();
1171         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1172
1173         wxRegionIterator upd( m_clearRegion );
1174         while (upd)
1175         {
1176             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1177                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1178             upd ++;
1179         }
1180     }
1181
1182     m_clearRegion.Clear();
1183 }
1184
1185 void wxWindowX11::SendPaintEvents()
1186 {
1187     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1188
1189     m_clipPaintRegion = TRUE;
1190
1191     wxPaintEvent paint_event( GetId() );
1192     paint_event.SetEventObject( this );
1193     GetEventHandler()->ProcessEvent( paint_event );
1194
1195     m_updateRegion.Clear();
1196
1197     m_clipPaintRegion = FALSE;
1198 }
1199
1200 void wxWindowX11::SendNcPaintEvents()
1201 {
1202     wxWindow *window = (wxWindow*) this;
1203
1204     // All this for drawing the small square between the scrollbars.
1205     int width = 0;
1206     int height = 0;
1207     int x = 0;
1208     int y = 0;
1209     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1210     if (sb && sb->IsShown())
1211     {
1212         height = sb->GetSize().y;
1213         y = sb->GetPosition().y;
1214
1215         sb = window->GetScrollbar( wxVERTICAL );
1216         if (sb && sb->IsShown())
1217         {
1218             width = sb->GetSize().x;
1219             x = sb->GetPosition().x;
1220
1221             Display *xdisplay = wxGlobalDisplay();
1222             Window xwindow = (Window) GetMainWindow();
1223             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1224             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1225             colour.CalcPixel( (WXColormap) cm );
1226
1227             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1228
1229             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1230         }
1231     }
1232
1233     wxNcPaintEvent nc_paint_event( GetId() );
1234     nc_paint_event.SetEventObject( this );
1235     GetEventHandler()->ProcessEvent( nc_paint_event );
1236
1237     m_updateNcArea = FALSE;
1238 }
1239
1240 // ----------------------------------------------------------------------------
1241 // event handlers
1242 // ----------------------------------------------------------------------------
1243
1244 // Responds to colour changes: passes event on to children.
1245 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1246 {
1247     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1248     while ( node )
1249     {
1250         // Only propagate to non-top-level windows
1251         wxWindow *win = node->GetData();
1252         if ( win->GetParent() )
1253         {
1254             wxSysColourChangedEvent event2;
1255             event.m_eventObject = win;
1256             win->GetEventHandler()->ProcessEvent(event2);
1257         }
1258
1259         node = node->GetNext();
1260     }
1261 }
1262
1263 // See handler for InFocus case in app.cpp for details.
1264 wxWindow* g_GettingFocus = NULL;
1265
1266 void wxWindowX11::OnInternalIdle()
1267 {
1268     // Update invalidated regions.
1269     Update();
1270
1271     // This calls the UI-update mechanism (querying windows for
1272     // menu/toolbar/control state information)
1273     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1274         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1275
1276     // Set the input focus if couldn't do it before
1277     if (m_needsInputFocus)
1278     {
1279 #if 0
1280         wxString msg;
1281         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1282         printf(msg.c_str());
1283 #endif
1284         SetFocus();
1285
1286         // If it couldn't set the focus now, there's
1287         // no point in trying again.
1288         m_needsInputFocus = FALSE;
1289     }
1290     g_GettingFocus = NULL;
1291 }
1292
1293 // ----------------------------------------------------------------------------
1294 // function which maintain the global hash table mapping Widgets to wxWidgets
1295 // ----------------------------------------------------------------------------
1296
1297 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1298 {
1299     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1300     {
1301         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1302                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1303         return FALSE;
1304     }
1305
1306     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1307                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1308
1309     return TRUE;
1310 }
1311
1312 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1313 {
1314     wxWindowHash::iterator i = hash->find(w);
1315     return i == hash->end() ? NULL : i->second;
1316 }
1317
1318 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1319 {
1320     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1321
1322     hash->erase(w);
1323 }
1324
1325 // ----------------------------------------------------------------------------
1326 // public wrappers
1327 // ----------------------------------------------------------------------------
1328
1329 bool wxAddWindowToTable(Window w, wxWindow *win)
1330 {
1331     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1332 }
1333
1334 wxWindow *wxGetWindowFromTable(Window w)
1335 {
1336     return DoGetWindowFromTable(wxWidgetHashTable, w);
1337 }
1338
1339 void wxDeleteWindowFromTable(Window w)
1340 {
1341     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1342 }
1343
1344 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1345 {
1346     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1347 }
1348
1349 wxWindow *wxGetClientWindowFromTable(Window w)
1350 {
1351     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1352 }
1353
1354 void wxDeleteClientWindowFromTable(Window w)
1355 {
1356     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1357 }
1358
1359 // ----------------------------------------------------------------------------
1360 // X11-specific accessors
1361 // ----------------------------------------------------------------------------
1362
1363 WXWindow wxWindowX11::GetMainWindow() const
1364 {
1365     return m_mainWindow;
1366 }
1367
1368 WXWindow wxWindowX11::GetClientAreaWindow() const
1369 {
1370     return m_clientWindow;
1371 }
1372
1373 // ----------------------------------------------------------------------------
1374 // TranslateXXXEvent() functions
1375 // ----------------------------------------------------------------------------
1376
1377 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1378 {
1379     switch (XEventGetType(xevent))
1380     {
1381         case EnterNotify:
1382         case LeaveNotify:
1383         case ButtonPress:
1384         case ButtonRelease:
1385         case MotionNotify:
1386         {
1387             wxEventType eventType = wxEVT_NULL;
1388
1389             if (XEventGetType(xevent) == EnterNotify)
1390             {
1391                 //if (local_event.xcrossing.mode!=NotifyNormal)
1392                 //  return ; // Ignore grab events
1393                 eventType = wxEVT_ENTER_WINDOW;
1394                 //            canvas->GetEventHandler()->OnSetFocus();
1395             }
1396             else if (XEventGetType(xevent) == LeaveNotify)
1397             {
1398                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1399                 //  return ; // Ignore grab events
1400                 eventType = wxEVT_LEAVE_WINDOW;
1401                 //            canvas->GetEventHandler()->OnKillFocus();
1402             }
1403             else if (XEventGetType(xevent) == MotionNotify)
1404             {
1405                 eventType = wxEVT_MOTION;
1406             }
1407             else if (XEventGetType(xevent) == ButtonPress)
1408             {
1409                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1410                 int button = 0;
1411                 if (XButtonEventLChanged(xevent))
1412                 {
1413                     eventType = wxEVT_LEFT_DOWN;
1414                     button = 1;
1415                 }
1416                 else if (XButtonEventMChanged(xevent))
1417                 {
1418                     eventType = wxEVT_MIDDLE_DOWN;
1419                     button = 2;
1420                 }
1421                 else if (XButtonEventRChanged(xevent))
1422                 {
1423                     eventType = wxEVT_RIGHT_DOWN;
1424                     button = 3;
1425                 }
1426
1427                 // check for a double click
1428                 // TODO: where can we get this value from?
1429                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1430                 long dclickTime = 200;
1431                 long ts = wxevent.GetTimestamp();
1432
1433                 int buttonLast = win->GetLastClickedButton();
1434                 long lastTS = win->GetLastClickTime();
1435                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1436                 {
1437                     // I have a dclick
1438                     win->SetLastClick(0, ts);
1439                     if ( eventType == wxEVT_LEFT_DOWN )
1440                         eventType = wxEVT_LEFT_DCLICK;
1441                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1442                         eventType = wxEVT_MIDDLE_DCLICK;
1443                     else if ( eventType == wxEVT_RIGHT_DOWN )
1444                         eventType = wxEVT_RIGHT_DCLICK;
1445                 }
1446                 else
1447                 {
1448                     // not fast enough or different button
1449                     win->SetLastClick(button, ts);
1450                 }
1451             }
1452             else if (XEventGetType(xevent) == ButtonRelease)
1453             {
1454                 if (XButtonEventLChanged(xevent))
1455                 {
1456                     eventType = wxEVT_LEFT_UP;
1457                 }
1458                 else if (XButtonEventMChanged(xevent))
1459                 {
1460                     eventType = wxEVT_MIDDLE_UP;
1461                 }
1462                 else if (XButtonEventRChanged(xevent))
1463                 {
1464                     eventType = wxEVT_RIGHT_UP;
1465                 }
1466                 else return FALSE;
1467             }
1468             else
1469             {
1470                 return FALSE;
1471             }
1472
1473             wxevent.SetEventType(eventType);
1474
1475             wxevent.m_x = XButtonEventGetX(xevent);
1476             wxevent.m_y = XButtonEventGetY(xevent);
1477
1478             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1479                 || (XButtonEventLIsDown(xevent)
1480                 && (eventType != wxEVT_LEFT_UP)));
1481             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1482                 || (XButtonEventMIsDown(xevent)
1483                 && (eventType != wxEVT_MIDDLE_UP)));
1484             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1485                 || (XButtonEventRIsDown (xevent)
1486                 && (eventType != wxEVT_RIGHT_UP)));
1487
1488             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1489             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1490             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1491             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1492
1493             wxevent.SetId(win->GetId());
1494             wxevent.SetEventObject(win);
1495
1496             return TRUE;
1497         }
1498     }
1499     return FALSE;
1500 }
1501
1502 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1503 {
1504     switch (XEventGetType(xevent))
1505     {
1506     case KeyPress:
1507     case KeyRelease:
1508         {
1509             char buf[20];
1510
1511             KeySym keySym;
1512             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1513             int id = wxCharCodeXToWX (keySym);
1514             // id may be WXK_xxx code - these are outside ASCII range, so we
1515             // can't just use toupper() on id.
1516             // Only change this if we want the raw key that was pressed,
1517             // and don't change it if we want an ASCII value.
1518             if (!isAscii && (id >= 'a' && id <= 'z'))
1519             {
1520                 id = id + 'A' - 'a';
1521             }
1522
1523             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1524             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1525             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1526             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1527             wxevent.SetEventObject(win);
1528             wxevent.m_keyCode = id;
1529             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1530
1531             wxevent.m_x = XKeyEventGetX(xevent);
1532             wxevent.m_y = XKeyEventGetY(xevent);
1533
1534             return id > -1;
1535         }
1536     default:
1537         break;
1538     }
1539     return FALSE;
1540 }
1541
1542 // ----------------------------------------------------------------------------
1543 // Colour stuff
1544 // ----------------------------------------------------------------------------
1545
1546 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1547 {
1548     wxWindowBase::SetBackgroundColour(col);
1549
1550     Display *xdisplay = (Display*) wxGlobalDisplay();
1551     int xscreen = DefaultScreen( xdisplay );
1552     Colormap cm = DefaultColormap( xdisplay, xscreen );
1553
1554     m_backgroundColour.CalcPixel( (WXColormap) cm );
1555
1556     // We don't set the background colour as we paint
1557     // the background ourselves.
1558     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1559
1560     return TRUE;
1561 }
1562
1563 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1564 {
1565     if ( !wxWindowBase::SetForegroundColour(col) )
1566         return FALSE;
1567
1568     return TRUE;
1569 }
1570
1571 // ----------------------------------------------------------------------------
1572 // global functions
1573 // ----------------------------------------------------------------------------
1574
1575 wxWindow *wxGetActiveWindow()
1576 {
1577     // TODO
1578     wxFAIL_MSG(wxT("Not implemented"));
1579     return NULL;
1580 }
1581
1582 /* static */
1583 wxWindow *wxWindowBase::GetCapture()
1584 {
1585     return (wxWindow *)g_captureWindow;
1586 }
1587
1588
1589 // Find the wxWindow at the current mouse position, returning the mouse
1590 // position.
1591 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1592 {
1593     return wxFindWindowAtPoint(wxGetMousePosition());
1594 }
1595
1596 // Get the current mouse position.
1597 wxPoint wxGetMousePosition()
1598 {
1599 #if wxUSE_NANOX
1600     /* TODO */
1601     return wxPoint(0, 0);
1602 #else
1603     Display *display = wxGlobalDisplay();
1604     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1605     Window rootReturn, childReturn;
1606     int rootX, rootY, winX, winY;
1607     unsigned int maskReturn;
1608
1609     XQueryPointer (display,
1610                    rootWindow,
1611                    &rootReturn,
1612                    &childReturn,
1613                    &rootX, &rootY, &winX, &winY, &maskReturn);
1614     return wxPoint(rootX, rootY);
1615 #endif
1616 }
1617
1618
1619 // ----------------------------------------------------------------------------
1620 // wxNoOptimize: switch off size optimization
1621 // ----------------------------------------------------------------------------
1622
1623 int wxNoOptimize::ms_count = 0;
1624
1625
1626 // ----------------------------------------------------------------------------
1627 // wxDCModule
1628 // ----------------------------------------------------------------------------
1629
1630 class wxWinModule : public wxModule
1631 {
1632 public:
1633     bool OnInit();
1634     void OnExit();
1635
1636 private:
1637     DECLARE_DYNAMIC_CLASS(wxWinModule)
1638 };
1639
1640 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1641
1642 bool wxWinModule::OnInit()
1643 {
1644     Display *xdisplay = wxGlobalDisplay();
1645     int xscreen = DefaultScreen( xdisplay );
1646     Window xroot = RootWindow( xdisplay, xscreen );
1647     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1648     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1649
1650     return TRUE;
1651 }
1652
1653 void wxWinModule::OnExit()
1654 {
1655     Display *xdisplay = wxGlobalDisplay();
1656     XFreeGC( xdisplay, g_eraseGC );
1657 }
1658
1659