src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/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     // generic initializations first
 103     InitBase();
 104
 105     // X11-specific
 106     m_mainWindow = (WXWindow) 0;
 107     m_clientWindow = (WXWindow) 0;
 108     m_insertIntoMain = FALSE;
 109     m_updateNcArea = FALSE;
 110
 111     m_winCaptured = FALSE;
 112     m_needsInputFocus = FALSE;
 113     m_isShown = TRUE;
 114     m_isBeingDeleted = FALSE;
 115     m_lastTS = 0;
 116     m_lastButton = 0;
 117 }
 118
 119 // real construction (Init() must have been called before!)
 120 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 121                       const wxPoint& pos,
 122                       const wxSize& size,
 123                       long style,
 124                       const wxString& name)
 125 {
 126     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 127
 128     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 129
 130     parent->AddChild(this);
 131
 132     Display *xdisplay = (Display*) wxGlobalDisplay();
 133     int xscreen = DefaultScreen( xdisplay );
 134     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 135     Colormap cm = DefaultColormap( xdisplay, xscreen );
 136
 137     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 138     m_backgroundColour.CalcPixel( (WXColormap) cm );
 139
 140     m_foregroundColour = *wxBLACK;
 141     m_foregroundColour.CalcPixel( (WXColormap) cm );
 142
 143     Window xparent = (Window) parent->GetClientAreaWindow();
 144
 145     // Add window's own scrollbars to main window, not to client window
 146     if (parent->GetInsertIntoMain())
 147     {
 148         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 149         xparent = (Window) parent->GetMainWindow();
 150     }
 151
 152     // Size (not including the border) must be nonzero (or a Value error results)!
 153     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 154     wxSize size2(size);
 155     if (size2.x <= 0)
 156         size2.x = 20;
 157     if (size2.y <= 0)
 158         size2.y = 20;
 159
 160     wxPoint pos2(pos);
 161     if (pos2.x == -1)
 162         pos2.x = 0;
 163     if (pos2.y == -1)
 164         pos2.y = 0;
 165
 166 #if wxUSE_TWO_WINDOWS
 167     bool need_two_windows =
 168         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 169 #else
 170     bool need_two_windows = FALSE;
 171 #endif
 172
 173 #if wxUSE_NANOX
 174     long xattributes = 0;
 175 #else
 176     XSetWindowAttributes xattributes;
 177     long xattributes_mask = 0;
 178
 179     xattributes_mask |= CWBackPixel;
 180     xattributes.background_pixel = m_backgroundColour.GetPixel();
 181
 182     xattributes_mask |= CWBorderPixel;
 183     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 184
 185     xattributes_mask |= CWEventMask;
 186 #endif
 187
 188     if (need_two_windows)
 189     {
 190 #if wxUSE_NANOX
 191         long backColor, foreColor;
 192         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 193         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 194
 195         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 196                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 197         XSelectInput( xdisplay, xwindow,
 198           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 199           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 200           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 201                       PropertyChangeMask );
 202
 203 #else
 204         // Normal X11
 205         xattributes.event_mask =
 206             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 207
 208         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 209             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 210
 211 #endif
 212
 213         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 214
 215         m_mainWindow = (WXWindow) xwindow;
 216         wxAddWindowToTable( xwindow, (wxWindow*) this );
 217
 218         XMapWindow( xdisplay, xwindow );
 219
 220 #if !wxUSE_NANOX
 221         xattributes.event_mask =
 222             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 223             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 224             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 225             PropertyChangeMask | VisibilityChangeMask ;
 226
 227         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 228         {
 229             xattributes_mask |= CWBitGravity;
 230             xattributes.bit_gravity = StaticGravity;
 231         }
 232 #endif
 233
 234         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 235         {
 236             pos2.x = 2;
 237             pos2.y = 2;
 238             size2.x -= 4;
 239             size2.y -= 4;
 240         }
 241         else if (HasFlag( wxSIMPLE_BORDER ))
 242         {
 243             pos2.x = 1;
 244             pos2.y = 1;
 245             size2.x -= 2;
 246             size2.y -= 2;
 247         }
 248         else
 249         {
 250             pos2.x = 0;
 251             pos2.y = 0;
 252         }
 253
 254         // Make again sure the size is nonzero.
 255         if (size2.x <= 0)
 256             size2.x = 1;
 257         if (size2.y <= 0)
 258             size2.y = 1;
 259
 260 #if wxUSE_NANOX
 261         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 262         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 263
 264         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 265                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 266         XSelectInput( xdisplay, xwindow,
 267           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 268           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 269           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 270                       PropertyChangeMask );
 271
 272 #else
 273         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 274             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 275 #endif
 276
 277         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 278
 279         m_clientWindow = (WXWindow) xwindow;
 280         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 281
 282         XMapWindow( xdisplay, xwindow );
 283     }
 284     else
 285     {
 286         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 287 #if wxUSE_NANOX
 288         long backColor, foreColor;
 289         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 290         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 291
 292         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 293                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 294         XSelectInput( xdisplay, xwindow,
 295           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 296           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 297           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 298                       PropertyChangeMask );
 299
 300 #else
 301         xattributes.event_mask =
 302             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 303             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 304             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 305             PropertyChangeMask | VisibilityChangeMask ;
 306
 307         if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 308         {
 309             xattributes_mask |= CWBitGravity;
 310             xattributes.bit_gravity = NorthWestGravity;
 311         }
 312
 313         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 314             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 315 #endif
 316
 317         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 318
 319         m_mainWindow = (WXWindow) xwindow;
 320         m_clientWindow = m_mainWindow;
 321         wxAddWindowToTable( xwindow, (wxWindow*) this );
 322
 323         XMapWindow( xdisplay, xwindow );
 324     }
 325
 326     // Is a subwindow, so map immediately
 327     m_isShown = TRUE;
 328
 329     // Without this, the cursor may not be restored properly (e.g. in splitter
 330     // sample).
 331     SetCursor(*wxSTANDARD_CURSOR);
 332     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 333
 334     // Don't call this, it can have nasty repercussions for composite controls,
 335     // for example
 336     //    SetSize(pos.x, pos.y, size.x, size.y);
 337
 338     return TRUE;
 339 }
 340
 341 // Destructor
 342 wxWindowX11::~wxWindowX11()
 343 {
 344     SendDestroyEvent();
 345
 346     if (g_captureWindow == this)
 347         g_captureWindow = NULL;
 348
 349     m_isBeingDeleted = TRUE;
 350
 351     if (m_parent)
 352         m_parent->RemoveChild( this );
 353
 354     DestroyChildren();
 355
 356     if (m_clientWindow != m_mainWindow)
 357     {
 358         // Destroy the cleint window
 359         Window xwindow = (Window) m_clientWindow;
 360         wxDeleteClientWindowFromTable( xwindow );
 361         XDestroyWindow( wxGlobalDisplay(), xwindow );
 362         m_clientWindow = NULL;
 363     }
 364
 365     // Destroy the window
 366     Window xwindow = (Window) m_mainWindow;
 367     wxDeleteWindowFromTable( xwindow );
 368     XDestroyWindow( wxGlobalDisplay(), xwindow );
 369     m_mainWindow = NULL;
 370 }
 371
 372 // ---------------------------------------------------------------------------
 373 // basic operations
 374 // ---------------------------------------------------------------------------
 375
 376 void wxWindowX11::SetFocus()
 377 {
 378     Window xwindow = (Window) m_clientWindow;
 379
 380     wxCHECK_RET( xwindow, wxT("invalid window") );
 381
 382     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 383
 384 #if 0
 385     if (GetName() == "scrollBar")
 386     {
 387         char *crash = NULL;
 388         *crash = 0;
 389     }
 390 #endif
 391
 392     if (wxWindowIsVisible(xwindow))
 393     {
 394         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 395         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 396         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 397         m_needsInputFocus = FALSE;
 398     }
 399     else
 400     {
 401         m_needsInputFocus = TRUE;
 402     }
 403 }
 404
 405 // Get the window with the focus
 406 wxWindow *wxWindowBase::FindFocus()
 407 {
 408     Window xfocus = (Window) 0;
 409     int revert = 0;
 410
 411     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 412     if (xfocus)
 413     {
 414         wxWindow *win = wxGetWindowFromTable( xfocus );
 415         if (!win)
 416         {
 417             win = wxGetClientWindowFromTable( xfocus );
 418         }
 419
 420         return win;
 421     }
 422
 423     return NULL;
 424 }
 425
 426 // Enabling/disabling handled by event loop, and not sending events
 427 // if disabled.
 428 bool wxWindowX11::Enable(bool enable)
 429 {
 430     if ( !wxWindowBase::Enable(enable) )
 431         return FALSE;
 432
 433     return TRUE;
 434 }
 435
 436 bool wxWindowX11::Show(bool show)
 437 {
 438     wxWindowBase::Show(show);
 439
 440     Window xwindow = (Window) m_mainWindow;
 441     Display *xdisp = wxGlobalDisplay();
 442     if (show)
 443     {
 444         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 445         XMapWindow(xdisp, xwindow);
 446     }
 447     else
 448     {
 449         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 450         XUnmapWindow(xdisp, xwindow);
 451     }
 452
 453     return TRUE;
 454 }
 455
 456 // Raise the window to the top of the Z order
 457 void wxWindowX11::Raise()
 458 {
 459     if (m_mainWindow)
 460         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 461 }
 462
 463 // Lower the window to the bottom of the Z order
 464 void wxWindowX11::Lower()
 465 {
 466     if (m_mainWindow)
 467         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 468 }
 469
 470 void wxWindowX11::DoCaptureMouse()
 471 {
 472     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 473     {
 474         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 475
 476         // Core dump now
 477         int *tmp = NULL;
 478         (*tmp) = 1;
 479         return;
 480     }
 481
 482     if (m_winCaptured)
 483         return;
 484
 485     Window xwindow = (Window) m_clientWindow;
 486
 487     wxCHECK_RET( xwindow, wxT("invalid window") );
 488
 489     g_captureWindow = (wxWindow*) this;
 490
 491     if (xwindow)
 492     {
 493         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 494             FALSE,
 495             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 496             GrabModeAsync,
 497             GrabModeAsync,
 498             None,
 499             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 500             CurrentTime );
 501
 502         if (res != GrabSuccess)
 503         {
 504             wxString msg;
 505             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 506             wxLogDebug(msg);
 507             if (res == GrabNotViewable)
 508                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 509
 510             g_captureWindow = NULL;
 511             return;
 512         }
 513
 514         m_winCaptured = TRUE;
 515     }
 516 }
 517
 518 void wxWindowX11::DoReleaseMouse()
 519 {
 520     g_captureWindow = NULL;
 521
 522     if ( !m_winCaptured )
 523         return;
 524
 525     Window xwindow = (Window) m_clientWindow;
 526
 527     if (xwindow)
 528     {
 529         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 530     }
 531
 532     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 533
 534     m_winCaptured = FALSE;
 535 }
 536
 537 bool wxWindowX11::SetFont(const wxFont& font)
 538 {
 539     if ( !wxWindowBase::SetFont(font) )
 540     {
 541         // nothing to do
 542         return FALSE;
 543     }
 544
 545     return TRUE;
 546 }
 547
 548 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 549 {
 550     if ( !wxWindowBase::SetCursor(cursor) )
 551     {
 552         // no change
 553         return FALSE;
 554     }
 555
 556     Window xwindow = (Window) m_clientWindow;
 557
 558     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 559
 560     wxCursor cursorToUse;
 561     if (m_cursor.Ok())
 562         cursorToUse = m_cursor;
 563     else
 564         cursorToUse = *wxSTANDARD_CURSOR;
 565
 566     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 567
 568     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 569
 570     return TRUE;
 571 }
 572
 573 // Coordinates relative to the window
 574 void wxWindowX11::WarpPointer (int x, int y)
 575 {
 576     Window xwindow = (Window) m_clientWindow;
 577
 578     wxCHECK_RET( xwindow, wxT("invalid window") );
 579
 580     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 581 }
 582
 583 // Does a physical scroll
 584 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 585 {
 586     // No scrolling requested.
 587     if ((dx == 0) && (dy == 0)) return;
 588
 589     if (!m_updateRegion.IsEmpty())
 590     {
 591         m_updateRegion.Offset( dx, dy );
 592
 593         int cw = 0;
 594         int ch = 0;
 595         GetSize( &cw, &ch );  // GetClientSize() ??
 596         m_updateRegion.Intersect( 0, 0, cw, ch );
 597     }
 598
 599     if (!m_clearRegion.IsEmpty())
 600     {
 601         m_clearRegion.Offset( dx, dy );
 602
 603         int cw = 0;
 604         int ch = 0;
 605         GetSize( &cw, &ch );  // GetClientSize() ??
 606         m_clearRegion.Intersect( 0, 0, cw, ch );
 607     }
 608
 609     Window xwindow = (Window) GetClientAreaWindow();
 610
 611     wxCHECK_RET( xwindow, wxT("invalid window") );
 612
 613     Display *xdisplay = wxGlobalDisplay();
 614
 615     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 616     XSetGraphicsExposures( xdisplay, xgc, True );
 617
 618     int s_x = 0;
 619     int s_y = 0;
 620     int cw;
 621     int ch;
 622     if (rect)
 623     {
 624         s_x = rect->x;
 625         s_y = rect->y;
 626
 627         cw = rect->width;
 628         ch = rect->height;
 629     }
 630     else
 631     {
 632         s_x = 0;
 633         s_y = 0;
 634         GetClientSize( &cw, &ch );
 635     }
 636
 637 #if wxUSE_TWO_WINDOWS
 638     wxPoint offset( 0,0 );
 639 #else
 640     wxPoint offset = GetClientAreaOrigin();
 641     s_x += offset.x;
 642     s_y += offset.y;
 643 #endif
 644
 645     int w = cw - abs(dx);
 646     int h = ch - abs(dy);
 647
 648     if ((h < 0) || (w < 0))
 649     {
 650         Refresh();
 651     }
 652     else
 653     {
 654         wxRect rect;
 655         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 656         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 657         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 658         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 659
 660         int d_x = s_x;
 661         int d_y = s_y;
 662
 663         if (dx < 0) s_x += -dx;
 664         if (dy < 0) s_y += -dy;
 665         if (dx > 0) d_x = dx + offset.x;
 666         if (dy > 0) d_y = dy + offset.y;
 667
 668         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 669
 670         // 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 );
 671
 672         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 673
 674         m_updateRegion.Union( rect );
 675         m_clearRegion.Union( rect );
 676     }
 677
 678     XFreeGC( xdisplay, xgc );
 679 }
 680
 681 // ---------------------------------------------------------------------------
 682 // drag and drop
 683 // ---------------------------------------------------------------------------
 684
 685 #if wxUSE_DRAG_AND_DROP
 686
 687 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 688 {
 689     // TODO
 690 }
 691
 692 #endif
 693
 694 // Old style file-manager drag&drop
 695 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 696 {
 697     // TODO
 698 }
 699
 700 // ----------------------------------------------------------------------------
 701 // tooltips
 702 // ----------------------------------------------------------------------------
 703
 704 #if wxUSE_TOOLTIPS
 705
 706 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 707 {
 708     // TODO
 709 }
 710
 711 #endif // wxUSE_TOOLTIPS
 712
 713 // ---------------------------------------------------------------------------
 714 // moving and resizing
 715 // ---------------------------------------------------------------------------
 716
 717 bool wxWindowX11::PreResize()
 718 {
 719     return TRUE;
 720 }
 721
 722 // Get total size
 723 void wxWindowX11::DoGetSize(int *x, int *y) const
 724 {
 725     Window xwindow = (Window) m_mainWindow;
 726
 727     wxCHECK_RET( xwindow, wxT("invalid window") );
 728
 729     //XSync(wxGlobalDisplay(), False);
 730
 731     XWindowAttributes attr;
 732     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 733     wxASSERT(status);
 734
 735     if (status)
 736     {
 737         *x = attr.width /* + 2*m_borderSize */ ;
 738         *y = attr.height /* + 2*m_borderSize */ ;
 739     }
 740 }
 741
 742 void wxWindowX11::DoGetPosition(int *x, int *y) const
 743 {
 744     Window window = (Window) m_mainWindow;
 745     if (window)
 746     {
 747         //XSync(wxGlobalDisplay(), False);
 748         XWindowAttributes attr;
 749         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 750         wxASSERT(status);
 751
 752         if (status)
 753         {
 754             *x = attr.x;
 755             *y = attr.y;
 756
 757             // We may be faking the client origin. So a window that's really at (0, 30)
 758             // may appear (to wxWin apps) to be at (0, 0).
 759             if (GetParent())
 760             {
 761                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 762                 *x -= pt.x;
 763                 *y -= pt.y;
 764             }
 765         }
 766     }
 767 }
 768
 769 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 770 {
 771     Display *display = wxGlobalDisplay();
 772     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 773     Window thisWindow = (Window) m_clientWindow;
 774
 775     Window childWindow;
 776     int xx = *x;
 777     int yy = *y;
 778     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 779 }
 780
 781 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 782 {
 783     Display *display = wxGlobalDisplay();
 784     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 785     Window thisWindow = (Window) m_clientWindow;
 786
 787     Window childWindow;
 788     int xx = *x;
 789     int yy = *y;
 790     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 791 }
 792
 793
 794 // Get size *available for subwindows* i.e. excluding menu bar etc.
 795 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 796 {
 797     Window window = (Window) m_mainWindow;
 798
 799     if (window)
 800     {
 801         XWindowAttributes attr;
 802         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 803         wxASSERT(status);
 804
 805         if (status)
 806         {
 807             *x = attr.width ;
 808             *y = attr.height ;
 809         }
 810     }
 811 }
 812
 813 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 814 {
 815     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 816
 817     Window xwindow = (Window) m_mainWindow;
 818
 819     wxCHECK_RET( xwindow, wxT("invalid window") );
 820
 821     XWindowAttributes attr;
 822     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 823     wxCHECK_RET( status, wxT("invalid window attributes") );
 824
 825     int new_x = attr.x;
 826     int new_y = attr.y;
 827     int new_w = attr.width;
 828     int new_h = attr.height;
 829
 830     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 831     {
 832         int yy = 0;
 833         AdjustForParentClientOrigin( x, yy, sizeFlags);
 834         new_x = x;
 835     }
 836     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 837     {
 838         int xx = 0;
 839         AdjustForParentClientOrigin( xx, y, sizeFlags);
 840         new_y = y;
 841     }
 842     if (width != -1)
 843     {
 844         new_w = width;
 845         if (new_w <= 0)
 846             new_w = 20;
 847     }
 848     if (height != -1)
 849     {
 850         new_h = height;
 851         if (new_h <= 0)
 852             new_h = 20;
 853     }
 854
 855     DoMoveWindow( new_x, new_y, new_w, new_h );
 856 }
 857
 858 void wxWindowX11::DoSetClientSize(int width, int height)
 859 {
 860     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 861
 862     Window xwindow = (Window) m_mainWindow;
 863
 864     wxCHECK_RET( xwindow, wxT("invalid window") );
 865
 866     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 867
 868     if (m_mainWindow != m_clientWindow)
 869     {
 870         xwindow = (Window) m_clientWindow;
 871
 872         wxWindow *window = (wxWindow*) this;
 873         wxRenderer *renderer = window->GetRenderer();
 874         if (renderer)
 875         {
 876             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 877             width -= border.x + border.width;
 878             height -= border.y + border.height;
 879         }
 880
 881         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 882     }
 883 }
 884
 885 // For implementation purposes - sometimes decorations make the client area
 886 // smaller
 887 wxPoint wxWindowX11::GetClientAreaOrigin() const
 888 {
 889     return wxPoint(0, 0);
 890 }
 891
 892 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 893 {
 894     Window xwindow = (Window) m_mainWindow;
 895
 896     wxCHECK_RET( xwindow, wxT("invalid window") );
 897
 898 #if !wxUSE_NANOX
 899
 900     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 901     if (m_mainWindow != m_clientWindow)
 902     {
 903         xwindow = (Window) m_clientWindow;
 904
 905         wxWindow *window = (wxWindow*) this;
 906         wxRenderer *renderer = window->GetRenderer();
 907         if (renderer)
 908         {
 909             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 910             x = border.x;
 911             y = border.y;
 912             width -= border.x + border.width;
 913             height -= border.y + border.height;
 914         }
 915         else
 916         {
 917             x = 0;
 918             y = 0;
 919         }
 920
 921         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 922         if (sb && sb->IsShown())
 923         {
 924             wxSize size = sb->GetSize();
 925             height -= size.y;
 926         }
 927         sb = window->GetScrollbar( wxVERTICAL );
 928         if (sb && sb->IsShown())
 929         {
 930             wxSize size = sb->GetSize();
 931             width -= size.x;
 932         }
 933
 934         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 935     }
 936
 937 #else
 938
 939     XWindowChanges windowChanges;
 940     windowChanges.x = x;
 941     windowChanges.y = y;
 942     windowChanges.width = width;
 943     windowChanges.height = height;
 944     windowChanges.stack_mode = 0;
 945     int valueMask = CWX | CWY | CWWidth | CWHeight;
 946
 947     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 948
 949 #endif
 950 }
 951
 952 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 953 {
 954     m_minWidth = minW;
 955     m_minHeight = minH;
 956     m_maxWidth = maxW;
 957     m_maxHeight = maxH;
 958
 959 #if !wxUSE_NANOX
 960     XSizeHints sizeHints;
 961     sizeHints.flags = 0;
 962
 963     if (minW > -1 && minH > -1)
 964     {
 965         sizeHints.flags |= PMinSize;
 966         sizeHints.min_width = minW;
 967         sizeHints.min_height = minH;
 968     }
 969     if (maxW > -1 && maxH > -1)
 970     {
 971         sizeHints.flags |= PMaxSize;
 972         sizeHints.max_width = maxW;
 973         sizeHints.max_height = maxH;
 974     }
 975     if (incW > -1 && incH > -1)
 976     {
 977         sizeHints.flags |= PResizeInc;
 978         sizeHints.width_inc = incW;
 979         sizeHints.height_inc = incH;
 980     }
 981
 982     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 983 #endif
 984 }
 985
 986 // ---------------------------------------------------------------------------
 987 // text metrics
 988 // ---------------------------------------------------------------------------
 989
 990 int wxWindowX11::GetCharHeight() const
 991 {
 992     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 993
 994 #if wxUSE_UNICODE
 995     // There should be an easier way.
 996     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
 997     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
 998     pango_layout_set_text(layout, "H", 1 );
 999     int w,h;
1000     pango_layout_get_pixel_size(layout, &w, &h);
1001     g_object_unref( G_OBJECT( layout ) );
1002
1003     return h;
1004 #else
1005     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1006
1007     int direction, ascent, descent;
1008     XCharStruct overall;
1009     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1010         &descent, &overall);
1011
1012     //  return (overall.ascent + overall.descent);
1013     return (ascent + descent);
1014 #endif
1015 }
1016
1017 int wxWindowX11::GetCharWidth() const
1018 {
1019     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
1020
1021 #if wxUSE_UNICODE
1022     // There should be an easier way.
1023     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1024     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1025     pango_layout_set_text(layout, "H", 1 );
1026     int w,h;
1027     pango_layout_get_pixel_size(layout, &w, &h);
1028     g_object_unref( G_OBJECT( layout ) );
1029
1030     return w;
1031 #else
1032     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1033
1034     int direction, ascent, descent;
1035     XCharStruct overall;
1036     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1037         &descent, &overall);
1038
1039     return overall.width;
1040 #endif
1041 }
1042
1043 void wxWindowX11::GetTextExtent(const wxString& string,
1044                              int *x, int *y,
1045                              int *descent, int *externalLeading,
1046                              const wxFont *theFont) const
1047 {
1048     wxFont fontToUse = m_font;
1049     if (theFont) fontToUse = *theFont;
1050
1051     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1052
1053     if (string.IsEmpty())
1054     {
1055         if (x) (*x) = 0;
1056         if (y) (*y) = 0;
1057         return;
1058     }
1059
1060 #if wxUSE_UNICODE
1061     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1062
1063     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1064     pango_layout_set_font_description(layout, desc);
1065
1066     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1067     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1068
1069     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1070
1071
1072     PangoRectangle rect;
1073     pango_layout_line_get_extents(line, NULL, &rect);
1074
1075     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1076     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1077     if (descent)
1078     {
1079         // Do something about metrics here
1080         (*descent) = 0;
1081     }
1082     if (externalLeading) (*externalLeading) = 0;  // ??
1083
1084     g_object_unref( G_OBJECT( layout ) );
1085 #else
1086     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1087
1088     int direction, ascent, descent2;
1089     XCharStruct overall;
1090     int slen = string.Len();
1091
1092     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1093                  &direction, &ascent, &descent2, &overall);
1094
1095     if ( x )
1096         *x = (overall.width);
1097     if ( y )
1098         *y = (ascent + descent2);
1099     if (descent)
1100         *descent = descent2;
1101     if (externalLeading)
1102         *externalLeading = 0;
1103 #endif
1104 }
1105
1106 // ----------------------------------------------------------------------------
1107 // painting
1108 // ----------------------------------------------------------------------------
1109
1110 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1111 {
1112     if (eraseBack)
1113     {
1114         if (rect)
1115         {
1116             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1117             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1118         }
1119         else
1120         {
1121             int height,width;
1122             GetSize( &width, &height );
1123
1124             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1125             m_clearRegion.Clear();
1126             m_clearRegion.Union( 0, 0, width, height );
1127         }
1128     }
1129
1130     if (rect)
1131     {
1132          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1133          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1134     }
1135     else
1136     {
1137         int height,width;
1138         GetSize( &width, &height );
1139
1140         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1141         m_updateRegion.Clear();
1142         m_updateRegion.Union( 0, 0, width, height );
1143     }
1144 }
1145
1146 void wxWindowX11::Update()
1147 {
1148     if (m_updateNcArea)
1149     {
1150         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1151         // Send nc paint events.
1152         SendNcPaintEvents();
1153     }
1154
1155     if (!m_updateRegion.IsEmpty())
1156     {
1157         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1158         // Actually send erase events.
1159         SendEraseEvents();
1160
1161         // Actually send paint events.
1162         SendPaintEvents();
1163     }
1164 }
1165
1166 void wxWindowX11::Clear()
1167 {
1168 //    wxClientDC dc((wxWindow*) this);
1169 //    wxBrush brush(GetBackgroundColour(), wxSOLID);
1170 //    dc.SetBackground(brush);
1171 //    dc.Clear();
1172 }
1173
1174 void wxWindowX11::SendEraseEvents()
1175 {
1176     if (m_clearRegion.IsEmpty()) return;
1177
1178     wxClientDC dc( (wxWindow*)this );
1179     dc.SetClippingRegion( m_clearRegion );
1180
1181     wxEraseEvent erase_event( GetId(), &dc );
1182     erase_event.SetEventObject( this );
1183
1184     if (!GetEventHandler()->ProcessEvent(erase_event) )
1185     {
1186         Display *xdisplay = wxGlobalDisplay();
1187         Window xwindow = (Window) GetClientAreaWindow();
1188         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1189
1190         wxRegionIterator upd( m_clearRegion );
1191         while (upd)
1192         {
1193             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1194                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1195             upd ++;
1196         }
1197     }
1198
1199     m_clearRegion.Clear();
1200 }
1201
1202 void wxWindowX11::SendPaintEvents()
1203 {
1204     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1205
1206     m_clipPaintRegion = TRUE;
1207
1208     wxPaintEvent paint_event( GetId() );
1209     paint_event.SetEventObject( this );
1210     GetEventHandler()->ProcessEvent( paint_event );
1211
1212     m_updateRegion.Clear();
1213
1214     m_clipPaintRegion = FALSE;
1215 }
1216
1217 void wxWindowX11::SendNcPaintEvents()
1218 {
1219     wxWindow *window = (wxWindow*) this;
1220
1221     // All this for drawing the small square between the scrollbars.
1222     int width = 0;
1223     int height = 0;
1224     int x = 0;
1225     int y = 0;
1226     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1227     if (sb && sb->IsShown())
1228     {
1229         height = sb->GetSize().y;
1230         y = sb->GetPosition().y;
1231
1232         sb = window->GetScrollbar( wxVERTICAL );
1233         if (sb && sb->IsShown())
1234         {
1235             width = sb->GetSize().x;
1236             x = sb->GetPosition().x;
1237
1238             Display *xdisplay = wxGlobalDisplay();
1239             Window xwindow = (Window) GetMainWindow();
1240             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1241             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1242             colour.CalcPixel( (WXColormap) cm );
1243
1244             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1245
1246             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1247         }
1248     }
1249
1250     wxNcPaintEvent nc_paint_event( GetId() );
1251     nc_paint_event.SetEventObject( this );
1252     GetEventHandler()->ProcessEvent( nc_paint_event );
1253
1254     m_updateNcArea = FALSE;
1255 }
1256
1257 // ----------------------------------------------------------------------------
1258 // event handlers
1259 // ----------------------------------------------------------------------------
1260
1261 // Responds to colour changes: passes event on to children.
1262 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1263 {
1264     wxWindowList::Node *node = GetChildren().GetFirst();
1265     while ( node )
1266     {
1267         // Only propagate to non-top-level windows
1268         wxWindow *win = node->GetData();
1269         if ( win->GetParent() )
1270         {
1271             wxSysColourChangedEvent event2;
1272             event.m_eventObject = win;
1273             win->GetEventHandler()->ProcessEvent(event2);
1274         }
1275
1276         node = node->GetNext();
1277     }
1278 }
1279
1280 // See handler for InFocus case in app.cpp for details.
1281 wxWindow* g_GettingFocus = NULL;
1282
1283 void wxWindowX11::OnInternalIdle()
1284 {
1285     // Update invalidated regions.
1286     Update();
1287
1288     // This calls the UI-update mechanism (querying windows for
1289     // menu/toolbar/control state information)
1290     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1291         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1292
1293     // Set the input focus if couldn't do it before
1294     if (m_needsInputFocus)
1295     {
1296 #if 0
1297         wxString msg;
1298         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1299         printf(msg.c_str());
1300 #endif
1301         SetFocus();
1302
1303         // If it couldn't set the focus now, there's
1304         // no point in trying again.
1305         m_needsInputFocus = FALSE;
1306     }
1307     g_GettingFocus = NULL;
1308 }
1309
1310 // ----------------------------------------------------------------------------
1311 // function which maintain the global hash table mapping Widgets to wxWindows
1312 // ----------------------------------------------------------------------------
1313
1314 bool wxAddWindowToTable(Window w, wxWindow *win)
1315 {
1316     wxWindow *oldItem = NULL;
1317     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1318     {
1319         wxLogDebug( wxT("Widget table clash: new widget is %ld, %s"),
1320                     (long)w, win->GetClassInfo()->GetClassName());
1321         return FALSE;
1322     }
1323
1324     wxWidgetHashTable->Put((long) w, win);
1325
1326     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1327                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1328
1329     return TRUE;
1330 }
1331
1332 wxWindow *wxGetWindowFromTable(Window w)
1333 {
1334     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1335 }
1336
1337 void wxDeleteWindowFromTable(Window w)
1338 {
1339     wxWidgetHashTable->Delete((long)w);
1340 }
1341
1342 // ----------------------------------------------------------------------------
1343 // function which maintain the global hash table mapping client widgets
1344 // ----------------------------------------------------------------------------
1345
1346 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1347 {
1348     wxWindow *oldItem = NULL;
1349     if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
1350     {
1351         wxLogDebug( wxT("Client window table clash: new window is %ld, %s"),
1352                     (long)w, win->GetClassInfo()->GetClassName());
1353         return FALSE;
1354     }
1355
1356     wxClientWidgetHashTable->Put((long) w, win);
1357
1358     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1359                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1360
1361     return TRUE;
1362 }
1363
1364 wxWindow *wxGetClientWindowFromTable(Window w)
1365 {
1366     return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
1367 }
1368
1369 void wxDeleteClientWindowFromTable(Window w)
1370 {
1371     wxClientWidgetHashTable->Delete((long)w);
1372 }
1373
1374 // ----------------------------------------------------------------------------
1375 // add/remove window from the table
1376 // ----------------------------------------------------------------------------
1377
1378 // ----------------------------------------------------------------------------
1379 // X11-specific accessors
1380 // ----------------------------------------------------------------------------
1381
1382 WXWindow wxWindowX11::GetMainWindow() const
1383 {
1384     return m_mainWindow;
1385 }
1386
1387 WXWindow wxWindowX11::GetClientAreaWindow() const
1388 {
1389     return m_clientWindow;
1390 }
1391
1392 // ----------------------------------------------------------------------------
1393 // TranslateXXXEvent() functions
1394 // ----------------------------------------------------------------------------
1395
1396 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1397 {
1398     switch (XEventGetType(xevent))
1399     {
1400         case EnterNotify:
1401         case LeaveNotify:
1402         case ButtonPress:
1403         case ButtonRelease:
1404         case MotionNotify:
1405         {
1406             wxEventType eventType = wxEVT_NULL;
1407
1408             if (XEventGetType(xevent) == EnterNotify)
1409             {
1410                 //if (local_event.xcrossing.mode!=NotifyNormal)
1411                 //  return ; // Ignore grab events
1412                 eventType = wxEVT_ENTER_WINDOW;
1413                 //            canvas->GetEventHandler()->OnSetFocus();
1414             }
1415             else if (XEventGetType(xevent) == LeaveNotify)
1416             {
1417                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1418                 //  return ; // Ignore grab events
1419                 eventType = wxEVT_LEAVE_WINDOW;
1420                 //            canvas->GetEventHandler()->OnKillFocus();
1421             }
1422             else if (XEventGetType(xevent) == MotionNotify)
1423             {
1424                 eventType = wxEVT_MOTION;
1425             }
1426             else if (XEventGetType(xevent) == ButtonPress)
1427             {
1428                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1429                 int button = 0;
1430                 if (XButtonEventLChanged(xevent))
1431                 {
1432                     eventType = wxEVT_LEFT_DOWN;
1433                     button = 1;
1434                 }
1435                 else if (XButtonEventMChanged(xevent))
1436                 {
1437                     eventType = wxEVT_MIDDLE_DOWN;
1438                     button = 2;
1439                 }
1440                 else if (XButtonEventRChanged(xevent))
1441                 {
1442                     eventType = wxEVT_RIGHT_DOWN;
1443                     button = 3;
1444                 }
1445
1446                 // check for a double click
1447                 // TODO: where can we get this value from?
1448                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1449                 long dclickTime = 200;
1450                 long ts = wxevent.GetTimestamp();
1451
1452                 int buttonLast = win->GetLastClickedButton();
1453                 long lastTS = win->GetLastClickTime();
1454                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1455                 {
1456                     // I have a dclick
1457                     win->SetLastClick(0, ts);
1458                     if ( eventType == wxEVT_LEFT_DOWN )
1459                         eventType = wxEVT_LEFT_DCLICK;
1460                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1461                         eventType = wxEVT_MIDDLE_DCLICK;
1462                     else if ( eventType == wxEVT_RIGHT_DOWN )
1463                         eventType = wxEVT_RIGHT_DCLICK;
1464                 }
1465                 else
1466                 {
1467                     // not fast enough or different button
1468                     win->SetLastClick(button, ts);
1469                 }
1470             }
1471             else if (XEventGetType(xevent) == ButtonRelease)
1472             {
1473                 if (XButtonEventLChanged(xevent))
1474                 {
1475                     eventType = wxEVT_LEFT_UP;
1476                 }
1477                 else if (XButtonEventMChanged(xevent))
1478                 {
1479                     eventType = wxEVT_MIDDLE_UP;
1480                 }
1481                 else if (XButtonEventRChanged(xevent))
1482                 {
1483                     eventType = wxEVT_RIGHT_UP;
1484                 }
1485                 else return FALSE;
1486             }
1487             else
1488             {
1489                 return FALSE;
1490             }
1491
1492             wxevent.SetEventType(eventType);
1493
1494             wxevent.m_x = XButtonEventGetX(xevent);
1495             wxevent.m_y = XButtonEventGetY(xevent);
1496
1497             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1498                 || (XButtonEventLIsDown(xevent)
1499                 && (eventType != wxEVT_LEFT_UP)));
1500             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1501                 || (XButtonEventMIsDown(xevent)
1502                 && (eventType != wxEVT_MIDDLE_UP)));
1503             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1504                 || (XButtonEventRIsDown (xevent)
1505                 && (eventType != wxEVT_RIGHT_UP)));
1506
1507             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1508             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1509             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1510             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1511
1512             wxevent.SetId(win->GetId());
1513             wxevent.SetEventObject(win);
1514
1515             return TRUE;
1516         }
1517     }
1518     return FALSE;
1519 }
1520
1521 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1522 {
1523     switch (XEventGetType(xevent))
1524     {
1525     case KeyPress:
1526     case KeyRelease:
1527         {
1528             char buf[20];
1529
1530             KeySym keySym;
1531             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1532             int id = wxCharCodeXToWX (keySym);
1533             // id may be WXK_xxx code - these are outside ASCII range, so we
1534             // can't just use toupper() on id.
1535             // Only change this if we want the raw key that was pressed,
1536             // and don't change it if we want an ASCII value.
1537             if (!isAscii && (id >= 'a' && id <= 'z'))
1538             {
1539                 id = id + 'A' - 'a';
1540             }
1541
1542             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1543             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1544             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1545             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1546             wxevent.SetEventObject(win);
1547             wxevent.m_keyCode = id;
1548             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1549
1550             wxevent.m_x = XKeyEventGetX(xevent);
1551             wxevent.m_y = XKeyEventGetY(xevent);
1552
1553             return id > -1;
1554         }
1555     default:
1556         break;
1557     }
1558     return FALSE;
1559 }
1560
1561 // ----------------------------------------------------------------------------
1562 // Colour stuff
1563 // ----------------------------------------------------------------------------
1564
1565 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1566 {
1567     wxWindowBase::SetBackgroundColour(col);
1568
1569     Display *xdisplay = (Display*) wxGlobalDisplay();
1570     int xscreen = DefaultScreen( xdisplay );
1571     Colormap cm = DefaultColormap( xdisplay, xscreen );
1572
1573     m_backgroundColour.CalcPixel( (WXColormap) cm );
1574
1575     // We don't set the background colour as we paint
1576     // the background ourselves.
1577     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1578
1579     return TRUE;
1580 }
1581
1582 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1583 {
1584     if ( !wxWindowBase::SetForegroundColour(col) )
1585         return FALSE;
1586
1587     return TRUE;
1588 }
1589
1590 // ----------------------------------------------------------------------------
1591 // global functions
1592 // ----------------------------------------------------------------------------
1593
1594 wxWindow *wxGetActiveWindow()
1595 {
1596     // TODO
1597     wxFAIL_MSG("Not implemented");
1598     return NULL;
1599 }
1600
1601 /* static */
1602 wxWindow *wxWindowBase::GetCapture()
1603 {
1604     return (wxWindow *)g_captureWindow;
1605 }
1606
1607
1608 // Find the wxWindow at the current mouse position, returning the mouse
1609 // position.
1610 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1611 {
1612     return wxFindWindowAtPoint(wxGetMousePosition());
1613 }
1614
1615 // Get the current mouse position.
1616 wxPoint wxGetMousePosition()
1617 {
1618 #if wxUSE_NANOX
1619     /* TODO */
1620     return wxPoint(0, 0);
1621 #else
1622     Display *display = wxGlobalDisplay();
1623     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1624     Window rootReturn, childReturn;
1625     int rootX, rootY, winX, winY;
1626     unsigned int maskReturn;
1627
1628     XQueryPointer (display,
1629                    rootWindow,
1630                    &rootReturn,
1631                    &childReturn,
1632                    &rootX, &rootY, &winX, &winY, &maskReturn);
1633     return wxPoint(rootX, rootY);
1634 #endif
1635 }
1636
1637
1638 // ----------------------------------------------------------------------------
1639 // wxNoOptimize: switch off size optimization
1640 // ----------------------------------------------------------------------------
1641
1642 int wxNoOptimize::ms_count = 0;
1643
1644
1645 // ----------------------------------------------------------------------------
1646 // wxDCModule
1647 // ----------------------------------------------------------------------------
1648
1649 class wxWinModule : public wxModule
1650 {
1651 public:
1652     bool OnInit();
1653     void OnExit();
1654
1655 private:
1656     DECLARE_DYNAMIC_CLASS(wxWinModule)
1657 };
1658
1659 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1660
1661 bool wxWinModule::OnInit()
1662 {
1663     Display *xdisplay = wxGlobalDisplay();
1664     int xscreen = DefaultScreen( xdisplay );
1665     Window xroot = RootWindow( xdisplay, xscreen );
1666     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1667     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1668
1669     return TRUE;
1670 }
1671
1672 void wxWinModule::OnExit()
1673 {
1674     Display *xdisplay = wxGlobalDisplay();
1675     XFreeGC( xdisplay, g_eraseGC );
1676 }
1677
1678