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 extern wxHashTable *wxWidgetHashTable;
  66 extern wxHashTable *wxClientWidgetHashTable;
  67 static wxWindow* g_captureWindow = NULL;
  68 static GC g_eraseGC;
  69
  70 // ----------------------------------------------------------------------------
  71 // macros
  72 // ----------------------------------------------------------------------------
  73
  74 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  75 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  76 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  77
  78 // ----------------------------------------------------------------------------
  79 // event tables
  80 // ----------------------------------------------------------------------------
  81
  82 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  83
  84 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  85     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  86 END_EVENT_TABLE()
  87
  88 // ============================================================================
  89 // implementation
  90 // ============================================================================
  91
  92 // ----------------------------------------------------------------------------
  93 // helper functions
  94 // ----------------------------------------------------------------------------
  95
  96 // ----------------------------------------------------------------------------
  97 // constructors
  98 // ----------------------------------------------------------------------------
  99
 100 void wxWindowX11::Init()
 101 {
 102     // X11-specific
 103     m_mainWindow = (WXWindow) 0;
 104     m_clientWindow = (WXWindow) 0;
 105     m_insertIntoMain = FALSE;
 106     m_updateNcArea = FALSE;
 107
 108     m_winCaptured = FALSE;
 109     m_needsInputFocus = FALSE;
 110     m_isShown = TRUE;
 111     m_lastTS = 0;
 112     m_lastButton = 0;
 113 }
 114
 115 // real construction (Init() must have been called before!)
 116 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 117                       const wxPoint& pos,
 118                       const wxSize& size,
 119                       long style,
 120                       const wxString& name)
 121 {
 122     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 123
 124     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 125
 126     parent->AddChild(this);
 127
 128     Display *xdisplay = (Display*) wxGlobalDisplay();
 129     int xscreen = DefaultScreen( xdisplay );
 130     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 131     Colormap cm = DefaultColormap( xdisplay, xscreen );
 132
 133     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 134     m_backgroundColour.CalcPixel( (WXColormap) cm );
 135
 136     m_foregroundColour = *wxBLACK;
 137     m_foregroundColour.CalcPixel( (WXColormap) cm );
 138
 139     Window xparent = (Window) parent->GetClientAreaWindow();
 140
 141     // Add window's own scrollbars to main window, not to client window
 142     if (parent->GetInsertIntoMain())
 143     {
 144         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 145         xparent = (Window) parent->GetMainWindow();
 146     }
 147
 148     // Size (not including the border) must be nonzero (or a Value error results)!
 149     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 150     wxSize size2(size);
 151     if (size2.x <= 0)
 152         size2.x = 20;
 153     if (size2.y <= 0)
 154         size2.y = 20;
 155
 156     wxPoint pos2(pos);
 157     if (pos2.x == -1)
 158         pos2.x = 0;
 159     if (pos2.y == -1)
 160         pos2.y = 0;
 161
 162 #if wxUSE_TWO_WINDOWS
 163     bool need_two_windows =
 164         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 165 #else
 166     bool need_two_windows = FALSE;
 167 #endif
 168
 169 #if wxUSE_NANOX
 170     long xattributes = 0;
 171 #else
 172     XSetWindowAttributes xattributes;
 173     long xattributes_mask = 0;
 174
 175     xattributes_mask |= CWBackPixel;
 176     xattributes.background_pixel = m_backgroundColour.GetPixel();
 177
 178     xattributes_mask |= CWBorderPixel;
 179     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 180
 181     xattributes_mask |= CWEventMask;
 182 #endif
 183
 184     if (need_two_windows)
 185     {
 186 #if wxUSE_NANOX
 187         long backColor, foreColor;
 188         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 189         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 190
 191         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 192                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 193         XSelectInput( xdisplay, xwindow,
 194           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 195           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 196           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 197                       PropertyChangeMask );
 198
 199 #else
 200         // Normal X11
 201         xattributes.event_mask =
 202             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 203
 204         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 205             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 206
 207 #endif
 208
 209         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 210
 211         m_mainWindow = (WXWindow) xwindow;
 212         wxAddWindowToTable( xwindow, (wxWindow*) this );
 213
 214         XMapWindow( xdisplay, xwindow );
 215
 216 #if !wxUSE_NANOX
 217         xattributes.event_mask =
 218             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 219             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 220             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 221             PropertyChangeMask | VisibilityChangeMask ;
 222
 223         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 224         {
 225             xattributes_mask |= CWBitGravity;
 226             xattributes.bit_gravity = StaticGravity;
 227         }
 228 #endif
 229
 230         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 231         {
 232             pos2.x = 2;
 233             pos2.y = 2;
 234             size2.x -= 4;
 235             size2.y -= 4;
 236         }
 237         else if (HasFlag( wxSIMPLE_BORDER ))
 238         {
 239             pos2.x = 1;
 240             pos2.y = 1;
 241             size2.x -= 2;
 242             size2.y -= 2;
 243         }
 244         else
 245         {
 246             pos2.x = 0;
 247             pos2.y = 0;
 248         }
 249
 250         // Make again sure the size is nonzero.
 251         if (size2.x <= 0)
 252             size2.x = 1;
 253         if (size2.y <= 0)
 254             size2.y = 1;
 255
 256 #if wxUSE_NANOX
 257         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 258         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 259
 260         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 261                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 262         XSelectInput( xdisplay, xwindow,
 263           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 264           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 265           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 266                       PropertyChangeMask );
 267
 268 #else
 269         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 270             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 271 #endif
 272
 273         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 274
 275         m_clientWindow = (WXWindow) xwindow;
 276         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 277
 278         XMapWindow( xdisplay, xwindow );
 279     }
 280     else
 281     {
 282         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 283 #if wxUSE_NANOX
 284         long backColor, foreColor;
 285         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 286         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 287
 288         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 289                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 290         XSelectInput( xdisplay, xwindow,
 291           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 292           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 293           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 294                       PropertyChangeMask );
 295
 296 #else
 297         xattributes.event_mask =
 298             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 299             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 300             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 301             PropertyChangeMask | VisibilityChangeMask ;
 302
 303         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 304         {
 305             xattributes_mask |= CWBitGravity;
 306             xattributes.bit_gravity = NorthWestGravity;
 307         }
 308
 309         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 310             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 311 #endif
 312
 313         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 314
 315         m_mainWindow = (WXWindow) xwindow;
 316         m_clientWindow = m_mainWindow;
 317         wxAddWindowToTable( xwindow, (wxWindow*) this );
 318
 319         XMapWindow( xdisplay, xwindow );
 320     }
 321
 322     // Is a subwindow, so map immediately
 323     m_isShown = TRUE;
 324
 325     // Without this, the cursor may not be restored properly (e.g. in splitter
 326     // sample).
 327     SetCursor(*wxSTANDARD_CURSOR);
 328     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 329
 330     // Don't call this, it can have nasty repercussions for composite controls,
 331     // for example
 332     //    SetSize(pos.x, pos.y, size.x, size.y);
 333
 334     return TRUE;
 335 }
 336
 337 // Destructor
 338 wxWindowX11::~wxWindowX11()
 339 {
 340     SendDestroyEvent();
 341
 342     if (g_captureWindow == this)
 343         g_captureWindow = NULL;
 344
 345     m_isBeingDeleted = TRUE;
 346
 347     DestroyChildren();
 348
 349     if (m_clientWindow != m_mainWindow)
 350     {
 351         // Destroy the cleint window
 352         Window xwindow = (Window) m_clientWindow;
 353         wxDeleteClientWindowFromTable( xwindow );
 354         XDestroyWindow( wxGlobalDisplay(), xwindow );
 355         m_clientWindow = NULL;
 356     }
 357
 358     // Destroy the window
 359     Window xwindow = (Window) m_mainWindow;
 360     wxDeleteWindowFromTable( xwindow );
 361     XDestroyWindow( wxGlobalDisplay(), xwindow );
 362     m_mainWindow = NULL;
 363 }
 364
 365 // ---------------------------------------------------------------------------
 366 // basic operations
 367 // ---------------------------------------------------------------------------
 368
 369 void wxWindowX11::SetFocus()
 370 {
 371     Window xwindow = (Window) m_clientWindow;
 372
 373     wxCHECK_RET( xwindow, wxT("invalid window") );
 374
 375     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 376
 377 #if 0
 378     if (GetName() == "scrollBar")
 379     {
 380         char *crash = NULL;
 381         *crash = 0;
 382     }
 383 #endif
 384
 385     if (wxWindowIsVisible(xwindow))
 386     {
 387         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 388         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 389         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 390         m_needsInputFocus = FALSE;
 391     }
 392     else
 393     {
 394         m_needsInputFocus = TRUE;
 395     }
 396 }
 397
 398 // Get the window with the focus
 399 wxWindow *wxWindowBase::FindFocus()
 400 {
 401     Window xfocus = (Window) 0;
 402     int revert = 0;
 403
 404     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 405     if (xfocus)
 406     {
 407         wxWindow *win = wxGetWindowFromTable( xfocus );
 408         if (!win)
 409         {
 410             win = wxGetClientWindowFromTable( xfocus );
 411         }
 412
 413         return win;
 414     }
 415
 416     return NULL;
 417 }
 418
 419 // Enabling/disabling handled by event loop, and not sending events
 420 // if disabled.
 421 bool wxWindowX11::Enable(bool enable)
 422 {
 423     if ( !wxWindowBase::Enable(enable) )
 424         return FALSE;
 425
 426     return TRUE;
 427 }
 428
 429 bool wxWindowX11::Show(bool show)
 430 {
 431     wxWindowBase::Show(show);
 432
 433     Window xwindow = (Window) m_mainWindow;
 434     Display *xdisp = wxGlobalDisplay();
 435     if (show)
 436     {
 437         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 438         XMapWindow(xdisp, xwindow);
 439     }
 440     else
 441     {
 442         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 443         XUnmapWindow(xdisp, xwindow);
 444     }
 445
 446     return TRUE;
 447 }
 448
 449 // Raise the window to the top of the Z order
 450 void wxWindowX11::Raise()
 451 {
 452     if (m_mainWindow)
 453         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 454 }
 455
 456 // Lower the window to the bottom of the Z order
 457 void wxWindowX11::Lower()
 458 {
 459     if (m_mainWindow)
 460         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 461 }
 462
 463 void wxWindowX11::DoCaptureMouse()
 464 {
 465     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 466     {
 467         wxASSERT_MSG(FALSE, wxT("Trying to capture before mouse released."));
 468
 469         // Core dump now
 470         int *tmp = NULL;
 471         (*tmp) = 1;
 472         return;
 473     }
 474
 475     if (m_winCaptured)
 476         return;
 477
 478     Window xwindow = (Window) m_clientWindow;
 479
 480     wxCHECK_RET( xwindow, wxT("invalid window") );
 481
 482     g_captureWindow = (wxWindow*) this;
 483
 484     if (xwindow)
 485     {
 486         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 487             FALSE,
 488             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 489             GrabModeAsync,
 490             GrabModeAsync,
 491             None,
 492             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 493             CurrentTime );
 494
 495         if (res != GrabSuccess)
 496         {
 497             wxString msg;
 498             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 499             wxLogDebug(msg);
 500             if (res == GrabNotViewable)
 501                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 502
 503             g_captureWindow = NULL;
 504             return;
 505         }
 506
 507         m_winCaptured = TRUE;
 508     }
 509 }
 510
 511 void wxWindowX11::DoReleaseMouse()
 512 {
 513     g_captureWindow = NULL;
 514
 515     if ( !m_winCaptured )
 516         return;
 517
 518     Window xwindow = (Window) m_clientWindow;
 519
 520     if (xwindow)
 521     {
 522         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 523     }
 524
 525     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 526
 527     m_winCaptured = FALSE;
 528 }
 529
 530 bool wxWindowX11::SetFont(const wxFont& font)
 531 {
 532     if ( !wxWindowBase::SetFont(font) )
 533     {
 534         // nothing to do
 535         return FALSE;
 536     }
 537
 538     return TRUE;
 539 }
 540
 541 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 542 {
 543     if ( !wxWindowBase::SetCursor(cursor) )
 544     {
 545         // no change
 546         return FALSE;
 547     }
 548
 549     Window xwindow = (Window) m_clientWindow;
 550
 551     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 552
 553     wxCursor cursorToUse;
 554     if (m_cursor.Ok())
 555         cursorToUse = m_cursor;
 556     else
 557         cursorToUse = *wxSTANDARD_CURSOR;
 558
 559     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 560
 561     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 562
 563     return TRUE;
 564 }
 565
 566 // Coordinates relative to the window
 567 void wxWindowX11::WarpPointer (int x, int y)
 568 {
 569     Window xwindow = (Window) m_clientWindow;
 570
 571     wxCHECK_RET( xwindow, wxT("invalid window") );
 572
 573     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 574 }
 575
 576 // Does a physical scroll
 577 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 578 {
 579     // No scrolling requested.
 580     if ((dx == 0) && (dy == 0)) return;
 581
 582     if (!m_updateRegion.IsEmpty())
 583     {
 584         m_updateRegion.Offset( dx, dy );
 585
 586         int cw = 0;
 587         int ch = 0;
 588         GetSize( &cw, &ch );  // GetClientSize() ??
 589         m_updateRegion.Intersect( 0, 0, cw, ch );
 590     }
 591
 592     if (!m_clearRegion.IsEmpty())
 593     {
 594         m_clearRegion.Offset( dx, dy );
 595
 596         int cw = 0;
 597         int ch = 0;
 598         GetSize( &cw, &ch );  // GetClientSize() ??
 599         m_clearRegion.Intersect( 0, 0, cw, ch );
 600     }
 601
 602     Window xwindow = (Window) GetClientAreaWindow();
 603
 604     wxCHECK_RET( xwindow, wxT("invalid window") );
 605
 606     Display *xdisplay = wxGlobalDisplay();
 607
 608     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 609     XSetGraphicsExposures( xdisplay, xgc, True );
 610
 611     int s_x = 0;
 612     int s_y = 0;
 613     int cw;
 614     int ch;
 615     if (rect)
 616     {
 617         s_x = rect->x;
 618         s_y = rect->y;
 619
 620         cw = rect->width;
 621         ch = rect->height;
 622     }
 623     else
 624     {
 625         s_x = 0;
 626         s_y = 0;
 627         GetClientSize( &cw, &ch );
 628     }
 629
 630 #if wxUSE_TWO_WINDOWS
 631     wxPoint offset( 0,0 );
 632 #else
 633     wxPoint offset = GetClientAreaOrigin();
 634     s_x += offset.x;
 635     s_y += offset.y;
 636 #endif
 637
 638     int w = cw - abs(dx);
 639     int h = ch - abs(dy);
 640
 641     if ((h < 0) || (w < 0))
 642     {
 643         Refresh();
 644     }
 645     else
 646     {
 647         wxRect rect;
 648         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 649         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 650         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 651         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 652
 653         int d_x = s_x;
 654         int d_y = s_y;
 655
 656         if (dx < 0) s_x += -dx;
 657         if (dy < 0) s_y += -dy;
 658         if (dx > 0) d_x = dx + offset.x;
 659         if (dy > 0) d_y = dy + offset.y;
 660
 661         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 662
 663         // 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 );
 664
 665         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 666
 667         m_updateRegion.Union( rect );
 668         m_clearRegion.Union( rect );
 669     }
 670
 671     XFreeGC( xdisplay, xgc );
 672 }
 673
 674 // ---------------------------------------------------------------------------
 675 // drag and drop
 676 // ---------------------------------------------------------------------------
 677
 678 #if wxUSE_DRAG_AND_DROP
 679
 680 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 681 {
 682     // TODO
 683 }
 684
 685 #endif
 686
 687 // Old style file-manager drag&drop
 688 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 689 {
 690     // TODO
 691 }
 692
 693 // ----------------------------------------------------------------------------
 694 // tooltips
 695 // ----------------------------------------------------------------------------
 696
 697 #if wxUSE_TOOLTIPS
 698
 699 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 700 {
 701     // TODO
 702 }
 703
 704 #endif // wxUSE_TOOLTIPS
 705
 706 // ---------------------------------------------------------------------------
 707 // moving and resizing
 708 // ---------------------------------------------------------------------------
 709
 710 bool wxWindowX11::PreResize()
 711 {
 712     return TRUE;
 713 }
 714
 715 // Get total size
 716 void wxWindowX11::DoGetSize(int *x, int *y) const
 717 {
 718     Window xwindow = (Window) m_mainWindow;
 719
 720     wxCHECK_RET( xwindow, wxT("invalid window") );
 721
 722     //XSync(wxGlobalDisplay(), False);
 723
 724     XWindowAttributes attr;
 725     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 726     wxASSERT(status);
 727
 728     if (status)
 729     {
 730         *x = attr.width /* + 2*m_borderSize */ ;
 731         *y = attr.height /* + 2*m_borderSize */ ;
 732     }
 733 }
 734
 735 void wxWindowX11::DoGetPosition(int *x, int *y) const
 736 {
 737     Window window = (Window) m_mainWindow;
 738     if (window)
 739     {
 740         //XSync(wxGlobalDisplay(), False);
 741         XWindowAttributes attr;
 742         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 743         wxASSERT(status);
 744
 745         if (status)
 746         {
 747             *x = attr.x;
 748             *y = attr.y;
 749
 750             // We may be faking the client origin. So a window that's really at (0, 30)
 751             // may appear (to wxWin apps) to be at (0, 0).
 752             if (GetParent())
 753             {
 754                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 755                 *x -= pt.x;
 756                 *y -= pt.y;
 757             }
 758         }
 759     }
 760 }
 761
 762 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 763 {
 764     Display *display = wxGlobalDisplay();
 765     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 766     Window thisWindow = (Window) m_clientWindow;
 767
 768     Window childWindow;
 769     int xx = *x;
 770     int yy = *y;
 771     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 772 }
 773
 774 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 775 {
 776     Display *display = wxGlobalDisplay();
 777     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 778     Window thisWindow = (Window) m_clientWindow;
 779
 780     Window childWindow;
 781     int xx = *x;
 782     int yy = *y;
 783     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 784 }
 785
 786
 787 // Get size *available for subwindows* i.e. excluding menu bar etc.
 788 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 789 {
 790     Window window = (Window) m_mainWindow;
 791
 792     if (window)
 793     {
 794         XWindowAttributes attr;
 795         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 796         wxASSERT(status);
 797
 798         if (status)
 799         {
 800             *x = attr.width ;
 801             *y = attr.height ;
 802         }
 803     }
 804 }
 805
 806 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 807 {
 808     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 809
 810     Window xwindow = (Window) m_mainWindow;
 811
 812     wxCHECK_RET( xwindow, wxT("invalid window") );
 813
 814     XWindowAttributes attr;
 815     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 816     wxCHECK_RET( status, wxT("invalid window attributes") );
 817
 818     int new_x = attr.x;
 819     int new_y = attr.y;
 820     int new_w = attr.width;
 821     int new_h = attr.height;
 822
 823     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 824     {
 825         int yy = 0;
 826         AdjustForParentClientOrigin( x, yy, sizeFlags);
 827         new_x = x;
 828     }
 829     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 830     {
 831         int xx = 0;
 832         AdjustForParentClientOrigin( xx, y, sizeFlags);
 833         new_y = y;
 834     }
 835     if (width != -1)
 836     {
 837         new_w = width;
 838         if (new_w <= 0)
 839             new_w = 20;
 840     }
 841     if (height != -1)
 842     {
 843         new_h = height;
 844         if (new_h <= 0)
 845             new_h = 20;
 846     }
 847
 848     DoMoveWindow( new_x, new_y, new_w, new_h );
 849 }
 850
 851 void wxWindowX11::DoSetClientSize(int width, int height)
 852 {
 853     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 854
 855     Window xwindow = (Window) m_mainWindow;
 856
 857     wxCHECK_RET( xwindow, wxT("invalid window") );
 858
 859     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 860
 861     if (m_mainWindow != m_clientWindow)
 862     {
 863         xwindow = (Window) m_clientWindow;
 864
 865         wxWindow *window = (wxWindow*) this;
 866         wxRenderer *renderer = window->GetRenderer();
 867         if (renderer)
 868         {
 869             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 870             width -= border.x + border.width;
 871             height -= border.y + border.height;
 872         }
 873
 874         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 875     }
 876 }
 877
 878 // For implementation purposes - sometimes decorations make the client area
 879 // smaller
 880 wxPoint wxWindowX11::GetClientAreaOrigin() const
 881 {
 882     return wxPoint(0, 0);
 883 }
 884
 885 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 886 {
 887     Window xwindow = (Window) m_mainWindow;
 888
 889     wxCHECK_RET( xwindow, wxT("invalid window") );
 890
 891 #if !wxUSE_NANOX
 892
 893     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 894     if (m_mainWindow != m_clientWindow)
 895     {
 896         xwindow = (Window) m_clientWindow;
 897
 898         wxWindow *window = (wxWindow*) this;
 899         wxRenderer *renderer = window->GetRenderer();
 900         if (renderer)
 901         {
 902             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 903             x = border.x;
 904             y = border.y;
 905             width -= border.x + border.width;
 906             height -= border.y + border.height;
 907         }
 908         else
 909         {
 910             x = 0;
 911             y = 0;
 912         }
 913
 914         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 915         if (sb && sb->IsShown())
 916         {
 917             wxSize size = sb->GetSize();
 918             height -= size.y;
 919         }
 920         sb = window->GetScrollbar( wxVERTICAL );
 921         if (sb && sb->IsShown())
 922         {
 923             wxSize size = sb->GetSize();
 924             width -= size.x;
 925         }
 926
 927         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 928     }
 929
 930 #else
 931
 932     XWindowChanges windowChanges;
 933     windowChanges.x = x;
 934     windowChanges.y = y;
 935     windowChanges.width = width;
 936     windowChanges.height = height;
 937     windowChanges.stack_mode = 0;
 938     int valueMask = CWX | CWY | CWWidth | CWHeight;
 939
 940     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 941
 942 #endif
 943 }
 944
 945 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 946 {
 947     m_minWidth = minW;
 948     m_minHeight = minH;
 949     m_maxWidth = maxW;
 950     m_maxHeight = maxH;
 951
 952 #if !wxUSE_NANOX
 953     XSizeHints sizeHints;
 954     sizeHints.flags = 0;
 955
 956     if (minW > -1 && minH > -1)
 957     {
 958         sizeHints.flags |= PMinSize;
 959         sizeHints.min_width = minW;
 960         sizeHints.min_height = minH;
 961     }
 962     if (maxW > -1 && maxH > -1)
 963     {
 964         sizeHints.flags |= PMaxSize;
 965         sizeHints.max_width = maxW;
 966         sizeHints.max_height = maxH;
 967     }
 968     if (incW > -1 && incH > -1)
 969     {
 970         sizeHints.flags |= PResizeInc;
 971         sizeHints.width_inc = incW;
 972         sizeHints.height_inc = incH;
 973     }
 974
 975     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 976 #endif
 977 }
 978
 979 // ---------------------------------------------------------------------------
 980 // text metrics
 981 // ---------------------------------------------------------------------------
 982
 983 int wxWindowX11::GetCharHeight() const
 984 {
 985     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
 986
 987 #if wxUSE_UNICODE
 988     // There should be an easier way.
 989     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
 990     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
 991     pango_layout_set_text(layout, "H", 1 );
 992     int w,h;
 993     pango_layout_get_pixel_size(layout, &w, &h);
 994     g_object_unref( G_OBJECT( layout ) );
 995
 996     return h;
 997 #else
 998     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
 999
1000     int direction, ascent, descent;
1001     XCharStruct overall;
1002     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1003         &descent, &overall);
1004
1005     //  return (overall.ascent + overall.descent);
1006     return (ascent + descent);
1007 #endif
1008 }
1009
1010 int wxWindowX11::GetCharWidth() const
1011 {
1012     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
1013
1014 #if wxUSE_UNICODE
1015     // There should be an easier way.
1016     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1017     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1018     pango_layout_set_text(layout, "H", 1 );
1019     int w,h;
1020     pango_layout_get_pixel_size(layout, &w, &h);
1021     g_object_unref( G_OBJECT( layout ) );
1022
1023     return w;
1024 #else
1025     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1026
1027     int direction, ascent, descent;
1028     XCharStruct overall;
1029     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1030         &descent, &overall);
1031
1032     return overall.width;
1033 #endif
1034 }
1035
1036 void wxWindowX11::GetTextExtent(const wxString& string,
1037                              int *x, int *y,
1038                              int *descent, int *externalLeading,
1039                              const wxFont *theFont) const
1040 {
1041     wxFont fontToUse = m_font;
1042     if (theFont) fontToUse = *theFont;
1043
1044     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1045
1046     if (string.IsEmpty())
1047     {
1048         if (x) (*x) = 0;
1049         if (y) (*y) = 0;
1050         return;
1051     }
1052
1053 #if wxUSE_UNICODE
1054     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1055
1056     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1057     pango_layout_set_font_description(layout, desc);
1058
1059     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1060     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1061
1062     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1063
1064
1065     PangoRectangle rect;
1066     pango_layout_line_get_extents(line, NULL, &rect);
1067
1068     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1069     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1070     if (descent)
1071     {
1072         // Do something about metrics here
1073         (*descent) = 0;
1074     }
1075     if (externalLeading) (*externalLeading) = 0;  // ??
1076
1077     g_object_unref( G_OBJECT( layout ) );
1078 #else
1079     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1080
1081     int direction, ascent, descent2;
1082     XCharStruct overall;
1083     int slen = string.Len();
1084
1085     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1086                  &direction, &ascent, &descent2, &overall);
1087
1088     if ( x )
1089         *x = (overall.width);
1090     if ( y )
1091         *y = (ascent + descent2);
1092     if (descent)
1093         *descent = descent2;
1094     if (externalLeading)
1095         *externalLeading = 0;
1096 #endif
1097 }
1098
1099 // ----------------------------------------------------------------------------
1100 // painting
1101 // ----------------------------------------------------------------------------
1102
1103 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1104 {
1105     if (eraseBack)
1106     {
1107         if (rect)
1108         {
1109             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1110             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1111         }
1112         else
1113         {
1114             int height,width;
1115             GetSize( &width, &height );
1116
1117             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1118             m_clearRegion.Clear();
1119             m_clearRegion.Union( 0, 0, width, height );
1120         }
1121     }
1122
1123     if (rect)
1124     {
1125          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1126          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1127     }
1128     else
1129     {
1130         int height,width;
1131         GetSize( &width, &height );
1132
1133         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1134         m_updateRegion.Clear();
1135         m_updateRegion.Union( 0, 0, width, height );
1136     }
1137 }
1138
1139 void wxWindowX11::Update()
1140 {
1141     if (m_updateNcArea)
1142     {
1143         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1144         // Send nc paint events.
1145         SendNcPaintEvents();
1146     }
1147
1148     if (!m_updateRegion.IsEmpty())
1149     {
1150         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1151         // Actually send erase events.
1152         SendEraseEvents();
1153
1154         // Actually send paint events.
1155         SendPaintEvents();
1156     }
1157 }
1158
1159 void wxWindowX11::SendEraseEvents()
1160 {
1161     if (m_clearRegion.IsEmpty()) return;
1162
1163     wxClientDC dc( (wxWindow*)this );
1164     dc.SetClippingRegion( m_clearRegion );
1165
1166     wxEraseEvent erase_event( GetId(), &dc );
1167     erase_event.SetEventObject( this );
1168
1169     if (!GetEventHandler()->ProcessEvent(erase_event) )
1170     {
1171         Display *xdisplay = wxGlobalDisplay();
1172         Window xwindow = (Window) GetClientAreaWindow();
1173         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1174
1175         wxRegionIterator upd( m_clearRegion );
1176         while (upd)
1177         {
1178             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1179                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1180             upd ++;
1181         }
1182     }
1183
1184     m_clearRegion.Clear();
1185 }
1186
1187 void wxWindowX11::SendPaintEvents()
1188 {
1189     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1190
1191     m_clipPaintRegion = TRUE;
1192
1193     wxPaintEvent paint_event( GetId() );
1194     paint_event.SetEventObject( this );
1195     GetEventHandler()->ProcessEvent( paint_event );
1196
1197     m_updateRegion.Clear();
1198
1199     m_clipPaintRegion = FALSE;
1200 }
1201
1202 void wxWindowX11::SendNcPaintEvents()
1203 {
1204     wxWindow *window = (wxWindow*) this;
1205
1206     // All this for drawing the small square between the scrollbars.
1207     int width = 0;
1208     int height = 0;
1209     int x = 0;
1210     int y = 0;
1211     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1212     if (sb && sb->IsShown())
1213     {
1214         height = sb->GetSize().y;
1215         y = sb->GetPosition().y;
1216
1217         sb = window->GetScrollbar( wxVERTICAL );
1218         if (sb && sb->IsShown())
1219         {
1220             width = sb->GetSize().x;
1221             x = sb->GetPosition().x;
1222
1223             Display *xdisplay = wxGlobalDisplay();
1224             Window xwindow = (Window) GetMainWindow();
1225             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1226             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1227             colour.CalcPixel( (WXColormap) cm );
1228
1229             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1230
1231             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1232         }
1233     }
1234
1235     wxNcPaintEvent nc_paint_event( GetId() );
1236     nc_paint_event.SetEventObject( this );
1237     GetEventHandler()->ProcessEvent( nc_paint_event );
1238
1239     m_updateNcArea = FALSE;
1240 }
1241
1242 // ----------------------------------------------------------------------------
1243 // event handlers
1244 // ----------------------------------------------------------------------------
1245
1246 // Responds to colour changes: passes event on to children.
1247 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1248 {
1249     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1250     while ( node )
1251     {
1252         // Only propagate to non-top-level windows
1253         wxWindow *win = node->GetData();
1254         if ( win->GetParent() )
1255         {
1256             wxSysColourChangedEvent event2;
1257             event.m_eventObject = win;
1258             win->GetEventHandler()->ProcessEvent(event2);
1259         }
1260
1261         node = node->GetNext();
1262     }
1263 }
1264
1265 // See handler for InFocus case in app.cpp for details.
1266 wxWindow* g_GettingFocus = NULL;
1267
1268 void wxWindowX11::OnInternalIdle()
1269 {
1270     // Update invalidated regions.
1271     Update();
1272
1273     // This calls the UI-update mechanism (querying windows for
1274     // menu/toolbar/control state information)
1275     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1276         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1277
1278     // Set the input focus if couldn't do it before
1279     if (m_needsInputFocus)
1280     {
1281 #if 0
1282         wxString msg;
1283         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1284         printf(msg.c_str());
1285 #endif
1286         SetFocus();
1287
1288         // If it couldn't set the focus now, there's
1289         // no point in trying again.
1290         m_needsInputFocus = FALSE;
1291     }
1292     g_GettingFocus = NULL;
1293 }
1294
1295 // ----------------------------------------------------------------------------
1296 // function which maintain the global hash table mapping Widgets to wxWidgets
1297 // ----------------------------------------------------------------------------
1298
1299 bool wxAddWindowToTable(Window w, wxWindow *win)
1300 {
1301     wxWindow *oldItem = NULL;
1302     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1303     {
1304         wxLogDebug( wxT("Widget table clash: new widget is %ld, %s"),
1305                     (long)w, win->GetClassInfo()->GetClassName());
1306         return FALSE;
1307     }
1308
1309     wxWidgetHashTable->Put((long) w, win);
1310
1311     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1312                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1313
1314     return TRUE;
1315 }
1316
1317 wxWindow *wxGetWindowFromTable(Window w)
1318 {
1319     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1320 }
1321
1322 void wxDeleteWindowFromTable(Window w)
1323 {
1324     wxWidgetHashTable->Delete((long)w);
1325 }
1326
1327 // ----------------------------------------------------------------------------
1328 // function which maintain the global hash table mapping client widgets
1329 // ----------------------------------------------------------------------------
1330
1331 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1332 {
1333     wxWindow *oldItem = NULL;
1334     if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
1335     {
1336         wxLogDebug( wxT("Client window table clash: new window is %ld, %s"),
1337                     (long)w, win->GetClassInfo()->GetClassName());
1338         return FALSE;
1339     }
1340
1341     wxClientWidgetHashTable->Put((long) w, win);
1342
1343     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1344                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1345
1346     return TRUE;
1347 }
1348
1349 wxWindow *wxGetClientWindowFromTable(Window w)
1350 {
1351     return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
1352 }
1353
1354 void wxDeleteClientWindowFromTable(Window w)
1355 {
1356     wxClientWidgetHashTable->Delete((long)w);
1357 }
1358
1359 // ----------------------------------------------------------------------------
1360 // add/remove window from the table
1361 // ----------------------------------------------------------------------------
1362
1363 // ----------------------------------------------------------------------------
1364 // X11-specific accessors
1365 // ----------------------------------------------------------------------------
1366
1367 WXWindow wxWindowX11::GetMainWindow() const
1368 {
1369     return m_mainWindow;
1370 }
1371
1372 WXWindow wxWindowX11::GetClientAreaWindow() const
1373 {
1374     return m_clientWindow;
1375 }
1376
1377 // ----------------------------------------------------------------------------
1378 // TranslateXXXEvent() functions
1379 // ----------------------------------------------------------------------------
1380
1381 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1382 {
1383     switch (XEventGetType(xevent))
1384     {
1385         case EnterNotify:
1386         case LeaveNotify:
1387         case ButtonPress:
1388         case ButtonRelease:
1389         case MotionNotify:
1390         {
1391             wxEventType eventType = wxEVT_NULL;
1392
1393             if (XEventGetType(xevent) == EnterNotify)
1394             {
1395                 //if (local_event.xcrossing.mode!=NotifyNormal)
1396                 //  return ; // Ignore grab events
1397                 eventType = wxEVT_ENTER_WINDOW;
1398                 //            canvas->GetEventHandler()->OnSetFocus();
1399             }
1400             else if (XEventGetType(xevent) == LeaveNotify)
1401             {
1402                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1403                 //  return ; // Ignore grab events
1404                 eventType = wxEVT_LEAVE_WINDOW;
1405                 //            canvas->GetEventHandler()->OnKillFocus();
1406             }
1407             else if (XEventGetType(xevent) == MotionNotify)
1408             {
1409                 eventType = wxEVT_MOTION;
1410             }
1411             else if (XEventGetType(xevent) == ButtonPress)
1412             {
1413                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1414                 int button = 0;
1415                 if (XButtonEventLChanged(xevent))
1416                 {
1417                     eventType = wxEVT_LEFT_DOWN;
1418                     button = 1;
1419                 }
1420                 else if (XButtonEventMChanged(xevent))
1421                 {
1422                     eventType = wxEVT_MIDDLE_DOWN;
1423                     button = 2;
1424                 }
1425                 else if (XButtonEventRChanged(xevent))
1426                 {
1427                     eventType = wxEVT_RIGHT_DOWN;
1428                     button = 3;
1429                 }
1430
1431                 // check for a double click
1432                 // TODO: where can we get this value from?
1433                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1434                 long dclickTime = 200;
1435                 long ts = wxevent.GetTimestamp();
1436
1437                 int buttonLast = win->GetLastClickedButton();
1438                 long lastTS = win->GetLastClickTime();
1439                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1440                 {
1441                     // I have a dclick
1442                     win->SetLastClick(0, ts);
1443                     if ( eventType == wxEVT_LEFT_DOWN )
1444                         eventType = wxEVT_LEFT_DCLICK;
1445                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1446                         eventType = wxEVT_MIDDLE_DCLICK;
1447                     else if ( eventType == wxEVT_RIGHT_DOWN )
1448                         eventType = wxEVT_RIGHT_DCLICK;
1449                 }
1450                 else
1451                 {
1452                     // not fast enough or different button
1453                     win->SetLastClick(button, ts);
1454                 }
1455             }
1456             else if (XEventGetType(xevent) == ButtonRelease)
1457             {
1458                 if (XButtonEventLChanged(xevent))
1459                 {
1460                     eventType = wxEVT_LEFT_UP;
1461                 }
1462                 else if (XButtonEventMChanged(xevent))
1463                 {
1464                     eventType = wxEVT_MIDDLE_UP;
1465                 }
1466                 else if (XButtonEventRChanged(xevent))
1467                 {
1468                     eventType = wxEVT_RIGHT_UP;
1469                 }
1470                 else return FALSE;
1471             }
1472             else
1473             {
1474                 return FALSE;
1475             }
1476
1477             wxevent.SetEventType(eventType);
1478
1479             wxevent.m_x = XButtonEventGetX(xevent);
1480             wxevent.m_y = XButtonEventGetY(xevent);
1481
1482             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1483                 || (XButtonEventLIsDown(xevent)
1484                 && (eventType != wxEVT_LEFT_UP)));
1485             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1486                 || (XButtonEventMIsDown(xevent)
1487                 && (eventType != wxEVT_MIDDLE_UP)));
1488             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1489                 || (XButtonEventRIsDown (xevent)
1490                 && (eventType != wxEVT_RIGHT_UP)));
1491
1492             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1493             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1494             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1495             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1496
1497             wxevent.SetId(win->GetId());
1498             wxevent.SetEventObject(win);
1499
1500             return TRUE;
1501         }
1502     }
1503     return FALSE;
1504 }
1505
1506 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1507 {
1508     switch (XEventGetType(xevent))
1509     {
1510     case KeyPress:
1511     case KeyRelease:
1512         {
1513             char buf[20];
1514
1515             KeySym keySym;
1516             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1517             int id = wxCharCodeXToWX (keySym);
1518             // id may be WXK_xxx code - these are outside ASCII range, so we
1519             // can't just use toupper() on id.
1520             // Only change this if we want the raw key that was pressed,
1521             // and don't change it if we want an ASCII value.
1522             if (!isAscii && (id >= 'a' && id <= 'z'))
1523             {
1524                 id = id + 'A' - 'a';
1525             }
1526
1527             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1528             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1529             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1530             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1531             wxevent.SetEventObject(win);
1532             wxevent.m_keyCode = id;
1533             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1534
1535             wxevent.m_x = XKeyEventGetX(xevent);
1536             wxevent.m_y = XKeyEventGetY(xevent);
1537
1538             return id > -1;
1539         }
1540     default:
1541         break;
1542     }
1543     return FALSE;
1544 }
1545
1546 // ----------------------------------------------------------------------------
1547 // Colour stuff
1548 // ----------------------------------------------------------------------------
1549
1550 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1551 {
1552     wxWindowBase::SetBackgroundColour(col);
1553
1554     Display *xdisplay = (Display*) wxGlobalDisplay();
1555     int xscreen = DefaultScreen( xdisplay );
1556     Colormap cm = DefaultColormap( xdisplay, xscreen );
1557
1558     m_backgroundColour.CalcPixel( (WXColormap) cm );
1559
1560     // We don't set the background colour as we paint
1561     // the background ourselves.
1562     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1563
1564     return TRUE;
1565 }
1566
1567 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1568 {
1569     if ( !wxWindowBase::SetForegroundColour(col) )
1570         return FALSE;
1571
1572     return TRUE;
1573 }
1574
1575 // ----------------------------------------------------------------------------
1576 // global functions
1577 // ----------------------------------------------------------------------------
1578
1579 wxWindow *wxGetActiveWindow()
1580 {
1581     // TODO
1582     wxFAIL_MSG(wxT("Not implemented"));
1583     return NULL;
1584 }
1585
1586 /* static */
1587 wxWindow *wxWindowBase::GetCapture()
1588 {
1589     return (wxWindow *)g_captureWindow;
1590 }
1591
1592
1593 // Find the wxWindow at the current mouse position, returning the mouse
1594 // position.
1595 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1596 {
1597     return wxFindWindowAtPoint(wxGetMousePosition());
1598 }
1599
1600 // Get the current mouse position.
1601 wxPoint wxGetMousePosition()
1602 {
1603 #if wxUSE_NANOX
1604     /* TODO */
1605     return wxPoint(0, 0);
1606 #else
1607     Display *display = wxGlobalDisplay();
1608     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1609     Window rootReturn, childReturn;
1610     int rootX, rootY, winX, winY;
1611     unsigned int maskReturn;
1612
1613     XQueryPointer (display,
1614                    rootWindow,
1615                    &rootReturn,
1616                    &childReturn,
1617                    &rootX, &rootY, &winX, &winY, &maskReturn);
1618     return wxPoint(rootX, rootY);
1619 #endif
1620 }
1621
1622
1623 // ----------------------------------------------------------------------------
1624 // wxNoOptimize: switch off size optimization
1625 // ----------------------------------------------------------------------------
1626
1627 int wxNoOptimize::ms_count = 0;
1628
1629
1630 // ----------------------------------------------------------------------------
1631 // wxDCModule
1632 // ----------------------------------------------------------------------------
1633
1634 class wxWinModule : public wxModule
1635 {
1636 public:
1637     bool OnInit();
1638     void OnExit();
1639
1640 private:
1641     DECLARE_DYNAMIC_CLASS(wxWinModule)
1642 };
1643
1644 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1645
1646 bool wxWinModule::OnInit()
1647 {
1648     Display *xdisplay = wxGlobalDisplay();
1649     int xscreen = DefaultScreen( xdisplay );
1650     Window xroot = RootWindow( xdisplay, xscreen );
1651     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1652     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1653
1654     return TRUE;
1655 }
1656
1657 void wxWinModule::OnExit()
1658 {
1659     Display *xdisplay = wxGlobalDisplay();
1660     XFreeGC( xdisplay, g_eraseGC );
1661 }
1662
1663