src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/window.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 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if defined(__BORLANDC__)
  16     #pragma hdrstop
  17 #endif
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 #include "wx/window.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/hash.h"
  31     #include "wx/log.h"
  32     #include "wx/app.h"
  33     #include "wx/utils.h"
  34     #include "wx/panel.h"
  35     #include "wx/frame.h"
  36     #include "wx/dc.h"
  37     #include "wx/dcclient.h"
  38     #include "wx/button.h"
  39     #include "wx/menu.h"
  40     #include "wx/dialog.h"
  41     #include "wx/timer.h"
  42     #include "wx/settings.h"
  43     #include "wx/msgdlg.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/listbox.h"
  46     #include "wx/scrolwin.h"
  47     #include "wx/layout.h"
  48     #include "wx/menuitem.h"
  49     #include "wx/module.h"
  50 #endif
  51
  52 #include "wx/fontutil.h"
  53 #include "wx/univ/renderer.h"
  54
  55 #if  wxUSE_DRAG_AND_DROP
  56     #include "wx/dnd.h"
  57 #endif
  58
  59 #include "wx/x11/private.h"
  60 #include "X11/Xutil.h"
  61
  62 #include <string.h>
  63
  64 // ----------------------------------------------------------------------------
  65 // global variables for this module
  66 // ----------------------------------------------------------------------------
  67
  68 static wxWindow* g_captureWindow = NULL;
  69 static GC g_eraseGC;
  70
  71 // ----------------------------------------------------------------------------
  72 // macros
  73 // ----------------------------------------------------------------------------
  74
  75 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  76 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  77 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  78
  79 // ----------------------------------------------------------------------------
  80 // event tables
  81 // ----------------------------------------------------------------------------
  82
  83 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  84
  85 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  86     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  87 END_EVENT_TABLE()
  88
  89 // ============================================================================
  90 // implementation
  91 // ============================================================================
  92
  93 // ----------------------------------------------------------------------------
  94 // helper functions
  95 // ----------------------------------------------------------------------------
  96
  97 // ----------------------------------------------------------------------------
  98 // constructors
  99 // ----------------------------------------------------------------------------
 100
 101 void wxWindowX11::Init()
 102 {
 103     // X11-specific
 104     m_mainWindow = (WXWindow) 0;
 105     m_clientWindow = (WXWindow) 0;
 106     m_insertIntoMain = false;
 107     m_updateNcArea = false;
 108
 109     m_winCaptured = false;
 110     m_needsInputFocus = false;
 111     m_isShown = true;
 112     m_lastTS = 0;
 113     m_lastButton = 0;
 114 }
 115
 116 // real construction (Init() must have been called before!)
 117 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 118                          const wxPoint& pos,
 119                          const wxSize& size,
 120                          long style,
 121                          const wxString& name)
 122 {
 123     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 124
 125     // Get default border
 126     wxBorder border = GetBorder(style);
 127     style &= ~wxBORDER_MASK;
 128     style |= border;
 129
 130     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 131
 132     parent->AddChild(this);
 133
 134     Display *xdisplay = (Display*) wxGlobalDisplay();
 135     int xscreen = DefaultScreen( xdisplay );
 136     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 137     Colormap cm = DefaultColormap( xdisplay, xscreen );
 138
 139     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 140     m_backgroundColour.CalcPixel( (WXColormap) cm );
 141
 142     m_foregroundColour = *wxBLACK;
 143     m_foregroundColour.CalcPixel( (WXColormap) cm );
 144
 145     Window xparent = (Window) parent->GetClientAreaWindow();
 146
 147     // Add window's own scrollbars to main window, not to client window
 148     if (parent->GetInsertIntoMain())
 149     {
 150         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 151         xparent = (Window) parent->GetMainWindow();
 152     }
 153
 154     // Size (not including the border) must be nonzero (or a Value error results)!
 155     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 156     wxSize size2(size);
 157     if (size2.x <= 0)
 158         size2.x = 20;
 159     if (size2.y <= 0)
 160         size2.y = 20;
 161
 162     wxPoint pos2(pos);
 163     if (pos2.x == wxDefaultCoord)
 164         pos2.x = 0;
 165     if (pos2.y == wxDefaultCoord)
 166         pos2.y = 0;
 167
 168     AdjustForParentClientOrigin(pos2.x, pos2.y);
 169
 170 #if wxUSE_TWO_WINDOWS
 171     bool need_two_windows =
 172         ((( wxSUNKEN_BORDER | wxBORDER_THEME | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 173 #else
 174     bool need_two_windows = false;
 175 #endif
 176
 177 #if wxUSE_NANOX
 178     long xattributes = 0;
 179 #else
 180     XSetWindowAttributes xattributes;
 181     long xattributes_mask = 0;
 182
 183     xattributes_mask |= CWBackPixel;
 184     xattributes.background_pixel = m_backgroundColour.GetPixel();
 185
 186     xattributes_mask |= CWBorderPixel;
 187     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 188
 189     xattributes_mask |= CWEventMask;
 190 #endif
 191
 192     if (need_two_windows)
 193     {
 194 #if wxUSE_NANOX
 195         long backColor, foreColor;
 196         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 197         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 198
 199         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 200                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 201         XSelectInput( xdisplay, xwindow,
 202           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 203           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 204           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 205                       PropertyChangeMask );
 206
 207 #else
 208         // Normal X11
 209         xattributes.event_mask =
 210             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 211
 212         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 213             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 214
 215 #endif
 216
 217         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 218
 219         m_mainWindow = (WXWindow) xwindow;
 220         wxAddWindowToTable( xwindow, (wxWindow*) this );
 221
 222         XMapWindow( xdisplay, xwindow );
 223
 224 #if !wxUSE_NANOX
 225         xattributes.event_mask =
 226             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 227             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 228             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 229             PropertyChangeMask | VisibilityChangeMask ;
 230
 231         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 232         {
 233             xattributes_mask |= CWBitGravity;
 234             xattributes.bit_gravity = StaticGravity;
 235         }
 236 #endif
 237
 238         if (HasFlag(wxSUNKEN_BORDER) || HasFlag(wxRAISED_BORDER) || HasFlag(wxBORDER_THEME))
 239         {
 240             pos2.x = 2;
 241             pos2.y = 2;
 242             size2.x -= 4;
 243             size2.y -= 4;
 244         }
 245         else if (HasFlag( wxSIMPLE_BORDER ))
 246         {
 247             pos2.x = 1;
 248             pos2.y = 1;
 249             size2.x -= 2;
 250             size2.y -= 2;
 251         }
 252         else
 253         {
 254             pos2.x = 0;
 255             pos2.y = 0;
 256         }
 257
 258         // Make again sure the size is nonzero.
 259         if (size2.x <= 0)
 260             size2.x = 1;
 261         if (size2.y <= 0)
 262             size2.y = 1;
 263
 264 #if wxUSE_NANOX
 265         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 266         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 267
 268         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 269                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 270         XSelectInput( xdisplay, xwindow,
 271           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 272           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 273           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 274                       PropertyChangeMask );
 275
 276 #else
 277         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 278             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 279 #endif
 280
 281         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 282
 283         m_clientWindow = (WXWindow) xwindow;
 284         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 285
 286         XMapWindow( xdisplay, xwindow );
 287     }
 288     else
 289     {
 290         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 291 #if wxUSE_NANOX
 292         long backColor, foreColor;
 293         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 294         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 295
 296         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 297                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 298         XSelectInput( xdisplay, xwindow,
 299           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 300           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 301           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 302                       PropertyChangeMask );
 303
 304 #else
 305         xattributes.event_mask =
 306             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 307             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 308             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 309             PropertyChangeMask | VisibilityChangeMask ;
 310
 311         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 312         {
 313             xattributes_mask |= CWBitGravity;
 314             xattributes.bit_gravity = NorthWestGravity;
 315         }
 316
 317         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 318             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 319 #endif
 320
 321         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 322
 323         m_mainWindow = (WXWindow) xwindow;
 324         m_clientWindow = m_mainWindow;
 325         wxAddWindowToTable( xwindow, (wxWindow*) this );
 326
 327         XMapWindow( xdisplay, xwindow );
 328     }
 329
 330     // Is a subwindow, so map immediately
 331     m_isShown = true;
 332
 333     // Without this, the cursor may not be restored properly (e.g. in splitter
 334     // sample).
 335     SetCursor(*wxSTANDARD_CURSOR);
 336     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 337
 338     // Don't call this, it can have nasty repercussions for composite controls,
 339     // for example
 340     //    SetSize(pos.x, pos.y, size.x, size.y);
 341
 342     return true;
 343 }
 344
 345 // Destructor
 346 wxWindowX11::~wxWindowX11()
 347 {
 348     SendDestroyEvent();
 349
 350     if (g_captureWindow == this)
 351         g_captureWindow = NULL;
 352
 353     m_isBeingDeleted = true;
 354
 355     DestroyChildren();
 356
 357     if (m_clientWindow != m_mainWindow)
 358     {
 359         // Destroy the cleint window
 360         Window xwindow = (Window) m_clientWindow;
 361         wxDeleteClientWindowFromTable( xwindow );
 362         XDestroyWindow( wxGlobalDisplay(), xwindow );
 363         m_clientWindow = NULL;
 364     }
 365
 366     // Destroy the window
 367     if ( m_mainWindow )
 368     {
 369         Window xwindow = (Window) m_mainWindow;
 370         wxDeleteWindowFromTable( xwindow );
 371         XDestroyWindow( wxGlobalDisplay(), xwindow );
 372         m_mainWindow = NULL;
 373     }
 374 }
 375
 376 // ---------------------------------------------------------------------------
 377 // basic operations
 378 // ---------------------------------------------------------------------------
 379
 380 void wxWindowX11::SetFocus()
 381 {
 382     Window xwindow = (Window) m_clientWindow;
 383
 384     wxCHECK_RET( xwindow, wxT("invalid window") );
 385
 386     // Don't assert; we might be trying to set the focus for a panel
 387     // with only static controls, so the panel returns false from AcceptsFocus.
 388     // The app should be not be expected to deal with this.
 389     if (!AcceptsFocus())
 390         return;
 391
 392 #if 0
 393     if (GetName() == "scrollBar")
 394     {
 395         char *crash = NULL;
 396         *crash = 0;
 397     }
 398 #endif
 399
 400     if (wxWindowIsVisible(xwindow))
 401     {
 402         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 403         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 404         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 405         m_needsInputFocus = false;
 406     }
 407     else
 408     {
 409         m_needsInputFocus = true;
 410     }
 411 }
 412
 413 // Get the window with the focus
 414 wxWindow *wxWindowBase::DoFindFocus()
 415 {
 416     Window xfocus = (Window) 0;
 417     int revert = 0;
 418
 419     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 420     if (xfocus)
 421     {
 422         wxWindow *win = wxGetWindowFromTable( xfocus );
 423         if (!win)
 424         {
 425             win = wxGetClientWindowFromTable( xfocus );
 426         }
 427
 428         return win;
 429     }
 430
 431     return NULL;
 432 }
 433
 434 // Enabling/disabling handled by event loop, and not sending events
 435 // if disabled.
 436 bool wxWindowX11::Enable(bool enable)
 437 {
 438     if ( !wxWindowBase::Enable(enable) )
 439         return false;
 440
 441     return true;
 442 }
 443
 444 bool wxWindowX11::Show(bool show)
 445 {
 446     wxWindowBase::Show(show);
 447
 448     Window xwindow = (Window) m_mainWindow;
 449     Display *xdisp = wxGlobalDisplay();
 450     if (show)
 451     {
 452         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 453         XMapWindow(xdisp, xwindow);
 454     }
 455     else
 456     {
 457         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 458         XUnmapWindow(xdisp, xwindow);
 459     }
 460
 461     return true;
 462 }
 463
 464 // Raise the window to the top of the Z order
 465 void wxWindowX11::Raise()
 466 {
 467     if (m_mainWindow)
 468         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 469 }
 470
 471 // Lower the window to the bottom of the Z order
 472 void wxWindowX11::Lower()
 473 {
 474     if (m_mainWindow)
 475         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 476 }
 477
 478 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 479 {
 480     // TODO
 481 }
 482
 483 wxString wxWindowX11::GetLabel() const
 484 {
 485     // TODO
 486     return wxEmptyString;
 487 }
 488
 489 void wxWindowX11::DoCaptureMouse()
 490 {
 491     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 492     {
 493         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 494
 495         // Core dump now
 496         int *tmp = NULL;
 497         (*tmp) = 1;
 498         return;
 499     }
 500
 501     if (m_winCaptured)
 502         return;
 503
 504     Window xwindow = (Window) m_clientWindow;
 505
 506     wxCHECK_RET( xwindow, wxT("invalid window") );
 507
 508     g_captureWindow = (wxWindow*) this;
 509
 510     if (xwindow)
 511     {
 512         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 513             FALSE,
 514             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 515             GrabModeAsync,
 516             GrabModeAsync,
 517             None,
 518             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 519             CurrentTime );
 520
 521         if (res != GrabSuccess)
 522         {
 523             wxString msg;
 524             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 525             wxLogDebug(msg);
 526             if (res == GrabNotViewable)
 527                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 528
 529             g_captureWindow = NULL;
 530             return;
 531         }
 532
 533         m_winCaptured = true;
 534     }
 535 }
 536
 537 void wxWindowX11::DoReleaseMouse()
 538 {
 539     g_captureWindow = NULL;
 540
 541     if ( !m_winCaptured )
 542         return;
 543
 544     Window xwindow = (Window) m_clientWindow;
 545
 546     if (xwindow)
 547     {
 548         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 549     }
 550
 551     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 552
 553     m_winCaptured = false;
 554 }
 555
 556 bool wxWindowX11::SetFont(const wxFont& font)
 557 {
 558     if ( !wxWindowBase::SetFont(font) )
 559     {
 560         // nothing to do
 561         return false;
 562     }
 563
 564     return true;
 565 }
 566
 567 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 568 {
 569     if ( !wxWindowBase::SetCursor(cursor) )
 570     {
 571         // no change
 572         return false;
 573     }
 574
 575     Window xwindow = (Window) m_clientWindow;
 576
 577     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 578
 579     wxCursor cursorToUse;
 580     if (m_cursor.Ok())
 581         cursorToUse = m_cursor;
 582     else
 583         cursorToUse = *wxSTANDARD_CURSOR;
 584
 585     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 586
 587     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 588
 589     return true;
 590 }
 591
 592 // Coordinates relative to the window
 593 void wxWindowX11::WarpPointer (int x, int y)
 594 {
 595     Window xwindow = (Window) m_clientWindow;
 596
 597     wxCHECK_RET( xwindow, wxT("invalid window") );
 598
 599     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 600 }
 601
 602 // Does a physical scroll
 603 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 604 {
 605     // No scrolling requested.
 606     if ((dx == 0) && (dy == 0)) return;
 607
 608     if (!m_updateRegion.IsEmpty())
 609     {
 610         m_updateRegion.Offset( dx, dy );
 611
 612         int cw = 0;
 613         int ch = 0;
 614         GetSize( &cw, &ch );  // GetClientSize() ??
 615         m_updateRegion.Intersect( 0, 0, cw, ch );
 616     }
 617
 618     if (!m_clearRegion.IsEmpty())
 619     {
 620         m_clearRegion.Offset( dx, dy );
 621
 622         int cw = 0;
 623         int ch = 0;
 624         GetSize( &cw, &ch );  // GetClientSize() ??
 625         m_clearRegion.Intersect( 0, 0, cw, ch );
 626     }
 627
 628     Window xwindow = (Window) GetClientAreaWindow();
 629
 630     wxCHECK_RET( xwindow, wxT("invalid window") );
 631
 632     Display *xdisplay = wxGlobalDisplay();
 633
 634     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 635     XSetGraphicsExposures( xdisplay, xgc, True );
 636
 637     int s_x = 0;
 638     int s_y = 0;
 639     int cw;
 640     int ch;
 641     if (rect)
 642     {
 643         s_x = rect->x;
 644         s_y = rect->y;
 645
 646         cw = rect->width;
 647         ch = rect->height;
 648     }
 649     else
 650     {
 651         s_x = 0;
 652         s_y = 0;
 653         GetClientSize( &cw, &ch );
 654     }
 655
 656 #if wxUSE_TWO_WINDOWS
 657     wxPoint offset( 0,0 );
 658 #else
 659     wxPoint offset = GetClientAreaOrigin();
 660     s_x += offset.x;
 661     s_y += offset.y;
 662 #endif
 663
 664     int w = cw - abs(dx);
 665     int h = ch - abs(dy);
 666
 667     if ((h < 0) || (w < 0))
 668     {
 669         Refresh();
 670     }
 671     else
 672     {
 673         wxRect rect;
 674         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 675         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 676         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 677         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 678
 679         int d_x = s_x;
 680         int d_y = s_y;
 681
 682         if (dx < 0) s_x += -dx;
 683         if (dy < 0) s_y += -dy;
 684         if (dx > 0) d_x += dx + offset.x;
 685         if (dy > 0) d_y += dy + offset.y;
 686
 687         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 688
 689         // 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 );
 690
 691         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 692
 693         m_updateRegion.Union( rect );
 694         m_clearRegion.Union( rect );
 695     }
 696
 697     XFreeGC( xdisplay, xgc );
 698
 699     // Move Clients, but not the scrollbars
 700     // FIXME: There may be a better method to move a lot of Windows within X11
 701     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 702     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 703     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 704     while ( node )
 705     {
 706         // Only propagate to non-top-level windows
 707         wxWindow *win = node->GetData();
 708         if ( win->GetParent() && win != sbH && win != sbV )
 709         {
 710             wxPoint pos = win->GetPosition();
 711             // Add the delta to the old Position
 712             pos.x += dx;
 713             pos.y += dy;
 714             win->SetPosition(pos);
 715         }
 716         node = node->GetNext();
 717     }
 718 }
 719
 720 // ---------------------------------------------------------------------------
 721 // drag and drop
 722 // ---------------------------------------------------------------------------
 723
 724 #if wxUSE_DRAG_AND_DROP
 725
 726 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 727 {
 728     // TODO
 729 }
 730
 731 #endif
 732
 733 // Old style file-manager drag&drop
 734 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 735 {
 736     // TODO
 737 }
 738
 739 // ----------------------------------------------------------------------------
 740 // tooltips
 741 // ----------------------------------------------------------------------------
 742
 743 #if wxUSE_TOOLTIPS
 744
 745 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 746 {
 747     // TODO
 748 }
 749
 750 #endif // wxUSE_TOOLTIPS
 751
 752 // ---------------------------------------------------------------------------
 753 // moving and resizing
 754 // ---------------------------------------------------------------------------
 755
 756 bool wxWindowX11::PreResize()
 757 {
 758     return true;
 759 }
 760
 761 // Get total size
 762 void wxWindowX11::DoGetSize(int *x, int *y) const
 763 {
 764     Window xwindow = (Window) m_mainWindow;
 765
 766     wxCHECK_RET( xwindow, wxT("invalid window") );
 767
 768     //XSync(wxGlobalDisplay(), False);
 769
 770     XWindowAttributes attr;
 771     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 772     wxASSERT(status);
 773
 774     if (status)
 775     {
 776         *x = attr.width /* + 2*m_borderSize */ ;
 777         *y = attr.height /* + 2*m_borderSize */ ;
 778     }
 779 }
 780
 781 void wxWindowX11::DoGetPosition(int *x, int *y) const
 782 {
 783     Window window = (Window) m_mainWindow;
 784     if (window)
 785     {
 786         //XSync(wxGlobalDisplay(), False);
 787         XWindowAttributes attr;
 788         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 789         wxASSERT(status);
 790
 791         if (status)
 792         {
 793             *x = attr.x;
 794             *y = attr.y;
 795
 796             // We may be faking the client origin. So a window that's really at (0, 30)
 797             // may appear (to wxWin apps) to be at (0, 0).
 798             if (GetParent())
 799             {
 800                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 801                 *x -= pt.x;
 802                 *y -= pt.y;
 803             }
 804         }
 805     }
 806 }
 807
 808 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 809 {
 810     Display *display = wxGlobalDisplay();
 811     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 812     Window thisWindow = (Window) m_clientWindow;
 813
 814     Window childWindow;
 815     int xx = x ? *x : 0;
 816     int yy = y ? *y : 0;
 817     XTranslateCoordinates(display, rootWindow, thisWindow,
 818                           xx, yy, x ? x : &xx, y ? y : &yy,
 819                           &childWindow);
 820 }
 821
 822 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 823 {
 824     Display *display = wxGlobalDisplay();
 825     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 826     Window thisWindow = (Window) m_clientWindow;
 827
 828     Window childWindow;
 829     int xx = x ? *x : 0;
 830     int yy = y ? *y : 0;
 831     XTranslateCoordinates(display, thisWindow, rootWindow,
 832                           xx, yy, x ? x : &xx, y ? y : &yy,
 833                           &childWindow);
 834 }
 835
 836
 837 // Get size *available for subwindows* i.e. excluding menu bar etc.
 838 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 839 {
 840     Window window = (Window) m_mainWindow;
 841
 842     if (window)
 843     {
 844         XWindowAttributes attr;
 845         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 846         wxASSERT(status);
 847
 848         if (status)
 849         {
 850             *x = attr.width ;
 851             *y = attr.height ;
 852         }
 853     }
 854 }
 855
 856 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 857 {
 858     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 859
 860     Window xwindow = (Window) m_mainWindow;
 861
 862     wxCHECK_RET( xwindow, wxT("invalid window") );
 863
 864     XWindowAttributes attr;
 865     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 866     wxCHECK_RET( status, wxT("invalid window attributes") );
 867
 868     int new_x = attr.x;
 869     int new_y = attr.y;
 870     int new_w = attr.width;
 871     int new_h = attr.height;
 872
 873     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 874     {
 875         int yy = 0;
 876         AdjustForParentClientOrigin( x, yy, sizeFlags);
 877         new_x = x;
 878     }
 879     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 880     {
 881         int xx = 0;
 882         AdjustForParentClientOrigin( xx, y, sizeFlags);
 883         new_y = y;
 884     }
 885     if (width != wxDefaultCoord)
 886     {
 887         new_w = width;
 888         if (new_w <= 0)
 889             new_w = 20;
 890     }
 891     if (height != wxDefaultCoord)
 892     {
 893         new_h = height;
 894         if (new_h <= 0)
 895             new_h = 20;
 896     }
 897
 898     DoMoveWindow( new_x, new_y, new_w, new_h );
 899 }
 900
 901 void wxWindowX11::DoSetClientSize(int width, int height)
 902 {
 903     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 904
 905     Window xwindow = (Window) m_mainWindow;
 906
 907     wxCHECK_RET( xwindow, wxT("invalid window") );
 908
 909     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 910
 911     if (m_mainWindow != m_clientWindow)
 912     {
 913         xwindow = (Window) m_clientWindow;
 914
 915         wxWindow *window = (wxWindow*) this;
 916         wxRenderer *renderer = window->GetRenderer();
 917         if (renderer)
 918         {
 919             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 920             width -= border.x + border.width;
 921             height -= border.y + border.height;
 922         }
 923
 924         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 925     }
 926 }
 927
 928 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 929 {
 930     Window xwindow = (Window) m_mainWindow;
 931
 932     wxCHECK_RET( xwindow, wxT("invalid window") );
 933
 934 #if !wxUSE_NANOX
 935
 936     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 937     if (m_mainWindow != m_clientWindow)
 938     {
 939         xwindow = (Window) m_clientWindow;
 940
 941         wxWindow *window = (wxWindow*) this;
 942         wxRenderer *renderer = window->GetRenderer();
 943         if (renderer)
 944         {
 945             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 946             x = border.x;
 947             y = border.y;
 948             width -= border.x + border.width;
 949             height -= border.y + border.height;
 950         }
 951         else
 952         {
 953             x = 0;
 954             y = 0;
 955         }
 956
 957         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 958         if (sb && sb->IsShown())
 959         {
 960             wxSize size = sb->GetSize();
 961             height -= size.y;
 962         }
 963         sb = window->GetScrollbar( wxVERTICAL );
 964         if (sb && sb->IsShown())
 965         {
 966             wxSize size = sb->GetSize();
 967             width -= size.x;
 968         }
 969
 970         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 971     }
 972
 973 #else
 974
 975     XWindowChanges windowChanges;
 976     windowChanges.x = x;
 977     windowChanges.y = y;
 978     windowChanges.width = width;
 979     windowChanges.height = height;
 980     windowChanges.stack_mode = 0;
 981     int valueMask = CWX | CWY | CWWidth | CWHeight;
 982
 983     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 984
 985 #endif
 986 }
 987
 988 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 989 {
 990     m_minWidth = minW;
 991     m_minHeight = minH;
 992     m_maxWidth = maxW;
 993     m_maxHeight = maxH;
 994
 995 #if !wxUSE_NANOX
 996     XSizeHints sizeHints;
 997     sizeHints.flags = 0;
 998
 999     if (minW > -1 && minH > -1)
1000     {
1001         sizeHints.flags |= PMinSize;
1002         sizeHints.min_width = minW;
1003         sizeHints.min_height = minH;
1004     }
1005     if (maxW > -1 && maxH > -1)
1006     {
1007         sizeHints.flags |= PMaxSize;
1008         sizeHints.max_width = maxW;
1009         sizeHints.max_height = maxH;
1010     }
1011     if (incW > -1 && incH > -1)
1012     {
1013         sizeHints.flags |= PResizeInc;
1014         sizeHints.width_inc = incW;
1015         sizeHints.height_inc = incH;
1016     }
1017
1018     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1019 #endif
1020 }
1021
1022 // ---------------------------------------------------------------------------
1023 // text metrics
1024 // ---------------------------------------------------------------------------
1025
1026 int wxWindowX11::GetCharHeight() const
1027 {
1028     wxFont font(GetFont());
1029     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1030
1031 #if wxUSE_UNICODE
1032     // There should be an easier way.
1033     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1034     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1035     pango_layout_set_text(layout, "H", 1 );
1036     int w,h;
1037     pango_layout_get_pixel_size(layout, &w, &h);
1038     g_object_unref( G_OBJECT( layout ) );
1039
1040     return h;
1041 #else
1042     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1043
1044     int direction, ascent, descent;
1045     XCharStruct overall;
1046     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1047         &descent, &overall);
1048
1049     //  return (overall.ascent + overall.descent);
1050     return (ascent + descent);
1051 #endif
1052 }
1053
1054 int wxWindowX11::GetCharWidth() const
1055 {
1056     wxFont font(GetFont());
1057     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1058
1059 #if wxUSE_UNICODE
1060     // There should be an easier way.
1061     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1062     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1063     pango_layout_set_text(layout, "H", 1 );
1064     int w,h;
1065     pango_layout_get_pixel_size(layout, &w, &h);
1066     g_object_unref( G_OBJECT( layout ) );
1067
1068     return w;
1069 #else
1070     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1071
1072     int direction, ascent, descent;
1073     XCharStruct overall;
1074     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1075         &descent, &overall);
1076
1077     return overall.width;
1078 #endif
1079 }
1080
1081 void wxWindowX11::GetTextExtent(const wxString& string,
1082                                 int *x, int *y,
1083                                 int *descent, int *externalLeading,
1084                                 const wxFont *theFont) const
1085 {
1086     wxFont fontToUse = GetFont();
1087     if (theFont) fontToUse = *theFont;
1088
1089     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1090
1091     if (string.empty())
1092     {
1093         if (x) (*x) = 0;
1094         if (y) (*y) = 0;
1095         return;
1096     }
1097
1098 #if wxUSE_UNICODE
1099     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1100
1101     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1102     pango_layout_set_font_description(layout, desc);
1103
1104     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1105     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1106
1107     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1108
1109
1110     PangoRectangle rect;
1111     pango_layout_line_get_extents(line, NULL, &rect);
1112
1113     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1114     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1115     if (descent)
1116     {
1117         // Do something about metrics here
1118         (*descent) = 0;
1119     }
1120     if (externalLeading) (*externalLeading) = 0;  // ??
1121
1122     g_object_unref( G_OBJECT( layout ) );
1123 #else
1124     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1125
1126     int direction, ascent, descent2;
1127     XCharStruct overall;
1128     int slen = string.length();
1129
1130     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1131                  &direction, &ascent, &descent2, &overall);
1132
1133     if ( x )
1134         *x = (overall.width);
1135     if ( y )
1136         *y = (ascent + descent2);
1137     if (descent)
1138         *descent = descent2;
1139     if (externalLeading)
1140         *externalLeading = 0;
1141 #endif
1142 }
1143
1144 // ----------------------------------------------------------------------------
1145 // painting
1146 // ----------------------------------------------------------------------------
1147
1148 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1149 {
1150     if (eraseBack)
1151     {
1152         if (rect)
1153         {
1154             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1155             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1156         }
1157         else
1158         {
1159             int height,width;
1160             GetSize( &width, &height );
1161
1162             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1163             m_clearRegion.Clear();
1164             m_clearRegion.Union( 0, 0, width, height );
1165         }
1166     }
1167
1168     if (rect)
1169     {
1170          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1171          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1172     }
1173     else
1174     {
1175         int height,width;
1176         GetSize( &width, &height );
1177
1178         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1179         m_updateRegion.Clear();
1180         m_updateRegion.Union( 0, 0, width, height );
1181     }
1182 }
1183
1184 void wxWindowX11::Update()
1185 {
1186     if (m_updateNcArea)
1187     {
1188         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1189         // Send nc paint events.
1190         SendNcPaintEvents();
1191     }
1192
1193     if (!m_updateRegion.IsEmpty())
1194     {
1195         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1196         // Actually send erase events.
1197         SendEraseEvents();
1198
1199         // Actually send paint events.
1200         SendPaintEvents();
1201     }
1202 }
1203
1204 void wxWindowX11::SendEraseEvents()
1205 {
1206     if (m_clearRegion.IsEmpty()) return;
1207
1208     wxClientDC dc( (wxWindow*)this );
1209     dc.SetDeviceClippingRegion( m_clearRegion );
1210
1211     wxEraseEvent erase_event( GetId(), &dc );
1212     erase_event.SetEventObject( this );
1213
1214     if (!HandleWindowEvent(erase_event) )
1215     {
1216         Display *xdisplay = wxGlobalDisplay();
1217         Window xwindow = (Window) GetClientAreaWindow();
1218         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1219
1220         wxRegionIterator upd( m_clearRegion );
1221         while (upd)
1222         {
1223             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1224                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1225             upd ++;
1226         }
1227     }
1228
1229     m_clearRegion.Clear();
1230 }
1231
1232 void wxWindowX11::SendPaintEvents()
1233 {
1234     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1235
1236     m_clipPaintRegion = true;
1237
1238     wxPaintEvent paint_event( GetId() );
1239     paint_event.SetEventObject( this );
1240     HandleWindowEvent( paint_event );
1241
1242     m_updateRegion.Clear();
1243
1244     m_clipPaintRegion = false;
1245 }
1246
1247 void wxWindowX11::SendNcPaintEvents()
1248 {
1249     wxWindow *window = (wxWindow*) this;
1250
1251     // All this for drawing the small square between the scrollbars.
1252     int width = 0;
1253     int height = 0;
1254     int x = 0;
1255     int y = 0;
1256     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1257     if (sb && sb->IsShown())
1258     {
1259         height = sb->GetSize().y;
1260         y = sb->GetPosition().y;
1261
1262         sb = window->GetScrollbar( wxVERTICAL );
1263         if (sb && sb->IsShown())
1264         {
1265             width = sb->GetSize().x;
1266             x = sb->GetPosition().x;
1267
1268             Display *xdisplay = wxGlobalDisplay();
1269             Window xwindow = (Window) GetMainWindow();
1270             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1271             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1272             colour.CalcPixel( (WXColormap) cm );
1273
1274             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1275
1276             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1277         }
1278     }
1279
1280     wxNcPaintEvent nc_paint_event( GetId() );
1281     nc_paint_event.SetEventObject( this );
1282     HandleWindowEvent( nc_paint_event );
1283
1284     m_updateNcArea = false;
1285 }
1286
1287 // ----------------------------------------------------------------------------
1288 // event handlers
1289 // ----------------------------------------------------------------------------
1290
1291 // Responds to colour changes: passes event on to children.
1292 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1293 {
1294     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1295     while ( node )
1296     {
1297         // Only propagate to non-top-level windows
1298         wxWindow *win = node->GetData();
1299         if ( win->GetParent() )
1300         {
1301             wxSysColourChangedEvent event2;
1302             event.SetEventObject(win);
1303             win->HandleWindowEvent(event2);
1304         }
1305
1306         node = node->GetNext();
1307     }
1308 }
1309
1310 // See handler for InFocus case in app.cpp for details.
1311 wxWindow* g_GettingFocus = NULL;
1312
1313 void wxWindowX11::OnInternalIdle()
1314 {
1315     // Update invalidated regions.
1316     Update();
1317
1318     // This calls the UI-update mechanism (querying windows for
1319     // menu/toolbar/control state information)
1320     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this) && IsShownOnScreen())
1321         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1322
1323     // Set the input focus if couldn't do it before
1324     if (m_needsInputFocus)
1325     {
1326 #if 0
1327         wxString msg;
1328         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1329         printf(msg.c_str());
1330 #endif
1331         SetFocus();
1332
1333         // If it couldn't set the focus now, there's
1334         // no point in trying again.
1335         m_needsInputFocus = false;
1336     }
1337     g_GettingFocus = NULL;
1338 }
1339
1340 // ----------------------------------------------------------------------------
1341 // function which maintain the global hash table mapping Widgets to wxWidgets
1342 // ----------------------------------------------------------------------------
1343
1344 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1345 {
1346     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1347     {
1348         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1349                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1350         return false;
1351     }
1352
1353     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1354                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1355
1356     return true;
1357 }
1358
1359 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1360 {
1361     wxWindowHash::iterator i = hash->find(w);
1362     return i == hash->end() ? NULL : i->second;
1363 }
1364
1365 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1366 {
1367     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1368
1369     hash->erase(w);
1370 }
1371
1372 // ----------------------------------------------------------------------------
1373 // public wrappers
1374 // ----------------------------------------------------------------------------
1375
1376 bool wxAddWindowToTable(Window w, wxWindow *win)
1377 {
1378     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1379 }
1380
1381 wxWindow *wxGetWindowFromTable(Window w)
1382 {
1383     return DoGetWindowFromTable(wxWidgetHashTable, w);
1384 }
1385
1386 void wxDeleteWindowFromTable(Window w)
1387 {
1388     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1389 }
1390
1391 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1392 {
1393     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1394 }
1395
1396 wxWindow *wxGetClientWindowFromTable(Window w)
1397 {
1398     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1399 }
1400
1401 void wxDeleteClientWindowFromTable(Window w)
1402 {
1403     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1404 }
1405
1406 // ----------------------------------------------------------------------------
1407 // X11-specific accessors
1408 // ----------------------------------------------------------------------------
1409
1410 WXWindow wxWindowX11::GetMainWindow() const
1411 {
1412     return m_mainWindow;
1413 }
1414
1415 WXWindow wxWindowX11::GetClientAreaWindow() const
1416 {
1417     return m_clientWindow;
1418 }
1419
1420 // ----------------------------------------------------------------------------
1421 // TranslateXXXEvent() functions
1422 // ----------------------------------------------------------------------------
1423
1424 bool wxTranslateMouseEvent(wxMouseEvent& wxevent,
1425                            wxWindow *win,
1426                            Window WXUNUSED(window),
1427                            XEvent *xevent)
1428 {
1429     switch (XEventGetType(xevent))
1430     {
1431         case EnterNotify:
1432         case LeaveNotify:
1433         case ButtonPress:
1434         case ButtonRelease:
1435         case MotionNotify:
1436         {
1437             wxEventType eventType = wxEVT_NULL;
1438
1439             if (XEventGetType(xevent) == EnterNotify)
1440             {
1441                 //if (local_event.xcrossing.mode!=NotifyNormal)
1442                 //  return ; // Ignore grab events
1443                 eventType = wxEVT_ENTER_WINDOW;
1444                 //            canvas->GetEventHandler()->OnSetFocus();
1445             }
1446             else if (XEventGetType(xevent) == LeaveNotify)
1447             {
1448                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1449                 //  return ; // Ignore grab events
1450                 eventType = wxEVT_LEAVE_WINDOW;
1451                 //            canvas->GetEventHandler()->OnKillFocus();
1452             }
1453             else if (XEventGetType(xevent) == MotionNotify)
1454             {
1455                 eventType = wxEVT_MOTION;
1456             }
1457             else if (XEventGetType(xevent) == ButtonPress)
1458             {
1459                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1460                 int button = 0;
1461                 if (XButtonEventLChanged(xevent))
1462                 {
1463                     eventType = wxEVT_LEFT_DOWN;
1464                     button = 1;
1465                 }
1466                 else if (XButtonEventMChanged(xevent))
1467                 {
1468                     eventType = wxEVT_MIDDLE_DOWN;
1469                     button = 2;
1470                 }
1471                 else if (XButtonEventRChanged(xevent))
1472                 {
1473                     eventType = wxEVT_RIGHT_DOWN;
1474                     button = 3;
1475                 }
1476                 else if ( xevent->xbutton.button == Button4 ||
1477                             xevent->xbutton.button == Button5 )
1478                 {
1479                     // this is the same value as used under wxMSW
1480                     static const int WHEEL_DELTA = 120;
1481
1482                     eventType = wxEVT_MOUSEWHEEL;
1483                     button = xevent->xbutton.button;
1484
1485                     wxevent.m_linesPerAction = 3;
1486                     wxevent.m_wheelDelta = WHEEL_DELTA;
1487
1488                     // Button 4 means mousewheel up, 5 means down
1489                     wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
1490                                                                 : -WHEEL_DELTA;
1491                 }
1492
1493                 // check for a double click
1494                 // TODO: where can we get this value from?
1495                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1496                 long dclickTime = 200;
1497                 long ts = wxevent.GetTimestamp();
1498
1499                 int buttonLast = win->GetLastClickedButton();
1500                 long lastTS = win->GetLastClickTime();
1501                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1502                 {
1503                     // I have a dclick
1504                     win->SetLastClick(0, ts);
1505                     if ( eventType == wxEVT_LEFT_DOWN )
1506                         eventType = wxEVT_LEFT_DCLICK;
1507                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1508                         eventType = wxEVT_MIDDLE_DCLICK;
1509                     else if ( eventType == wxEVT_RIGHT_DOWN )
1510                         eventType = wxEVT_RIGHT_DCLICK;
1511                 }
1512                 else
1513                 {
1514                     // not fast enough or different button
1515                     win->SetLastClick(button, ts);
1516                 }
1517             }
1518             else if (XEventGetType(xevent) == ButtonRelease)
1519             {
1520                 if (XButtonEventLChanged(xevent))
1521                 {
1522                     eventType = wxEVT_LEFT_UP;
1523                 }
1524                 else if (XButtonEventMChanged(xevent))
1525                 {
1526                     eventType = wxEVT_MIDDLE_UP;
1527                 }
1528                 else if (XButtonEventRChanged(xevent))
1529                 {
1530                     eventType = wxEVT_RIGHT_UP;
1531                 }
1532                 else return false;
1533             }
1534             else
1535             {
1536                 return false;
1537             }
1538
1539             wxevent.SetEventType(eventType);
1540
1541             wxevent.m_x = XButtonEventGetX(xevent);
1542             wxevent.m_y = XButtonEventGetY(xevent);
1543
1544             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1545                 || (XButtonEventLIsDown(xevent)
1546                 && (eventType != wxEVT_LEFT_UP)));
1547             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1548                 || (XButtonEventMIsDown(xevent)
1549                 && (eventType != wxEVT_MIDDLE_UP)));
1550             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1551                 || (XButtonEventRIsDown (xevent)
1552                 && (eventType != wxEVT_RIGHT_UP)));
1553
1554             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1555             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1556             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1557             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1558
1559             wxevent.SetId(win->GetId());
1560             wxevent.SetEventObject(win);
1561
1562             return true;
1563         }
1564     }
1565     return false;
1566 }
1567
1568 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1569 {
1570     switch (XEventGetType(xevent))
1571     {
1572     case KeyPress:
1573     case KeyRelease:
1574         {
1575             char buf[20];
1576
1577             KeySym keySym;
1578             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1579             int id = wxCharCodeXToWX (keySym);
1580             // id may be WXK_xxx code - these are outside ASCII range, so we
1581             // can't just use toupper() on id.
1582             // Only change this if we want the raw key that was pressed,
1583             // and don't change it if we want an ASCII value.
1584             if (!isAscii && (id >= 'a' && id <= 'z'))
1585             {
1586                 id = id + 'A' - 'a';
1587             }
1588
1589             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1590             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1591             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1592             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1593             wxevent.SetEventObject(win);
1594             wxevent.m_keyCode = id;
1595             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1596
1597             wxevent.m_x = XKeyEventGetX(xevent);
1598             wxevent.m_y = XKeyEventGetY(xevent);
1599
1600             return id > -1;
1601         }
1602     default:
1603         break;
1604     }
1605     return false;
1606 }
1607
1608 // ----------------------------------------------------------------------------
1609 // Colour stuff
1610 // ----------------------------------------------------------------------------
1611
1612 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1613 {
1614     wxWindowBase::SetBackgroundColour(col);
1615
1616     Display *xdisplay = (Display*) wxGlobalDisplay();
1617     int xscreen = DefaultScreen( xdisplay );
1618     Colormap cm = DefaultColormap( xdisplay, xscreen );
1619
1620     m_backgroundColour.CalcPixel( (WXColormap) cm );
1621
1622     // We don't set the background colour as we paint
1623     // the background ourselves.
1624     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1625
1626     return true;
1627 }
1628
1629 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1630 {
1631     if ( !wxWindowBase::SetForegroundColour(col) )
1632         return false;
1633
1634     return true;
1635 }
1636
1637 // ----------------------------------------------------------------------------
1638 // global functions
1639 // ----------------------------------------------------------------------------
1640
1641 wxWindow *wxGetActiveWindow()
1642 {
1643     // TODO
1644     wxFAIL_MSG(wxT("Not implemented"));
1645     return NULL;
1646 }
1647
1648 /* static */
1649 wxWindow *wxWindowBase::GetCapture()
1650 {
1651     return (wxWindow *)g_captureWindow;
1652 }
1653
1654
1655 // Find the wxWindow at the current mouse position, returning the mouse
1656 // position.
1657 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1658 {
1659     pt = wxGetMousePosition();
1660     return wxFindWindowAtPoint(pt);
1661 }
1662
1663 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1664 {
1665 #if wxUSE_NANOX
1666     /* TODO */
1667     rootX = rootY = 0;
1668     maskReturn = 0;
1669 #else
1670     Display *display = wxGlobalDisplay();
1671     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1672     Window rootReturn, childReturn;
1673     int winX, winY;
1674
1675     XQueryPointer (display,
1676                    rootWindow,
1677                    &rootReturn,
1678                    &childReturn,
1679                    &rootX, &rootY, &winX, &winY, &maskReturn);
1680 #endif
1681 }
1682
1683 // Get the current mouse position.
1684 wxPoint wxGetMousePosition()
1685 {
1686     int x, y;
1687     unsigned mask;
1688
1689     wxGetMouseState(x, y, mask);
1690     return wxPoint(x, y);
1691 }
1692
1693 wxMouseState wxGetMouseState()
1694 {
1695     wxMouseState ms;
1696     int x, y;
1697     unsigned mask;
1698
1699     wxGetMouseState(x, y, mask);
1700
1701     ms.SetX(x);
1702     ms.SetY(y);
1703
1704     ms.SetLeftDown(mask & Button1Mask);
1705     ms.SetMiddleDown(mask & Button2Mask);
1706     ms.SetRightDown(mask & Button3Mask);
1707
1708     ms.SetControlDown(mask & ControlMask);
1709     ms.SetShiftDown(mask & ShiftMask);
1710     ms.SetAltDown(mask & Mod3Mask);
1711     ms.SetMetaDown(mask & Mod1Mask);
1712
1713     return ms;
1714 }
1715
1716
1717 // ----------------------------------------------------------------------------
1718 // wxNoOptimize: switch off size optimization
1719 // ----------------------------------------------------------------------------
1720
1721 int wxNoOptimize::ms_count = 0;
1722
1723
1724 // ----------------------------------------------------------------------------
1725 // wxDCModule
1726 // ----------------------------------------------------------------------------
1727
1728 class wxWinModule : public wxModule
1729 {
1730 public:
1731     wxWinModule()
1732     {
1733         // we must be cleaned up before the display is closed
1734         AddDependency(wxClassInfo::FindClass(_T("wxX11DisplayModule")));
1735     }
1736
1737     virtual bool OnInit();
1738     virtual void OnExit();
1739
1740 private:
1741     DECLARE_DYNAMIC_CLASS(wxWinModule)
1742 };
1743
1744 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1745
1746 bool wxWinModule::OnInit()
1747 {
1748     Display *xdisplay = wxGlobalDisplay();
1749     int xscreen = DefaultScreen( xdisplay );
1750     Window xroot = RootWindow( xdisplay, xscreen );
1751     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1752     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1753
1754     return true;
1755 }
1756
1757 void wxWinModule::OnExit()
1758 {
1759     Display *xdisplay = wxGlobalDisplay();
1760     XFreeGC( xdisplay, g_eraseGC );
1761 }