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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // for compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if defined(__BORLANDC__)
  15     #pragma hdrstop
  16 #endif
  17
  18 // ============================================================================
  19 // declarations
  20 // ============================================================================
  21
  22 // ----------------------------------------------------------------------------
  23 // headers
  24 // ----------------------------------------------------------------------------
  25
  26 #include "wx/window.h"
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/hash.h"
  30     #include "wx/log.h"
  31     #include "wx/app.h"
  32     #include "wx/utils.h"
  33     #include "wx/panel.h"
  34     #include "wx/frame.h"
  35     #include "wx/dc.h"
  36     #include "wx/dcclient.h"
  37     #include "wx/button.h"
  38     #include "wx/menu.h"
  39     #include "wx/dialog.h"
  40     #include "wx/timer.h"
  41     #include "wx/settings.h"
  42     #include "wx/msgdlg.h"
  43     #include "wx/scrolbar.h"
  44     #include "wx/listbox.h"
  45     #include "wx/scrolwin.h"
  46     #include "wx/layout.h"
  47     #include "wx/menuitem.h"
  48     #include "wx/module.h"
  49 #endif
  50
  51 #include "wx/fontutil.h"
  52 #include "wx/univ/renderer.h"
  53
  54 #if  wxUSE_DRAG_AND_DROP
  55     #include "wx/dnd.h"
  56 #endif
  57
  58 #include "wx/unix/utilsx11.h"
  59
  60 #include "wx/x11/private.h"
  61 #include "X11/Xutil.h"
  62
  63 #include <string.h>
  64
  65 // ----------------------------------------------------------------------------
  66 // global variables for this module
  67 // ----------------------------------------------------------------------------
  68
  69 static wxWindow* g_captureWindow = NULL;
  70 static GC g_eraseGC;
  71
  72 // ----------------------------------------------------------------------------
  73 // macros
  74 // ----------------------------------------------------------------------------
  75
  76 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  77 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  78 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  79
  80 // ----------------------------------------------------------------------------
  81 // event tables
  82 // ----------------------------------------------------------------------------
  83
  84 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  85
  86 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  87     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  88 END_EVENT_TABLE()
  89
  90 // ============================================================================
  91 // implementation
  92 // ============================================================================
  93
  94 // ----------------------------------------------------------------------------
  95 // helper functions
  96 // ----------------------------------------------------------------------------
  97
  98 // ----------------------------------------------------------------------------
  99 // constructors
 100 // ----------------------------------------------------------------------------
 101
 102 void wxWindowX11::Init()
 103 {
 104     // X11-specific
 105     m_mainWindow = (WXWindow) 0;
 106     m_clientWindow = (WXWindow) 0;
 107     m_insertIntoMain = false;
 108     m_updateNcArea = false;
 109
 110     m_winCaptured = false;
 111     m_needsInputFocus = false;
 112     m_isShown = true;
 113     m_lastTS = 0;
 114     m_lastButton = 0;
 115 }
 116
 117 // real construction (Init() must have been called before!)
 118 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 119                          const wxPoint& pos,
 120                          const wxSize& size,
 121                          long style,
 122                          const wxString& name)
 123 {
 124     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 125
 126     // Get default border
 127     wxBorder border = GetBorder(style);
 128     style &= ~wxBORDER_MASK;
 129     style |= border;
 130
 131     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 132
 133     parent->AddChild(this);
 134
 135     Display *xdisplay = (Display*) wxGlobalDisplay();
 136     int xscreen = DefaultScreen( xdisplay );
 137     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 138     Colormap cm = DefaultColormap( xdisplay, xscreen );
 139
 140     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 141     m_backgroundColour.CalcPixel( (WXColormap) cm );
 142
 143     m_foregroundColour = *wxBLACK;
 144     m_foregroundColour.CalcPixel( (WXColormap) cm );
 145
 146     Window xparent = (Window) parent->GetClientAreaWindow();
 147
 148     // Add window's own scrollbars to main window, not to client window
 149     if (parent->GetInsertIntoMain())
 150     {
 151         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 152         xparent = (Window) parent->X11GetMainWindow();
 153     }
 154
 155     // Size (not including the border) must be nonzero (or a Value error results)!
 156     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 157     wxSize size2(size);
 158     if (size2.x <= 0)
 159         size2.x = 20;
 160     if (size2.y <= 0)
 161         size2.y = 20;
 162
 163     wxPoint pos2(pos);
 164     if (pos2.x == wxDefaultCoord)
 165         pos2.x = 0;
 166     if (pos2.y == wxDefaultCoord)
 167         pos2.y = 0;
 168
 169     AdjustForParentClientOrigin(pos2.x, pos2.y);
 170
 171 #if wxUSE_TWO_WINDOWS
 172     bool need_two_windows =
 173         ((( wxSUNKEN_BORDER | wxBORDER_THEME | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 174 #else
 175     bool need_two_windows = false;
 176 #endif
 177
 178 #if wxUSE_NANOX
 179     long xattributes = 0;
 180 #else
 181     XSetWindowAttributes xattributes;
 182     long xattributes_mask = 0;
 183
 184     xattributes_mask |= CWBackPixel;
 185     xattributes.background_pixel = m_backgroundColour.GetPixel();
 186
 187     xattributes_mask |= CWBorderPixel;
 188     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 189
 190     xattributes_mask |= CWEventMask;
 191 #endif
 192
 193     if (need_two_windows)
 194     {
 195 #if wxUSE_NANOX
 196         long backColor, foreColor;
 197         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 198         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 199
 200         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 201                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 202         XSelectInput( xdisplay, xwindow,
 203           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 204           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 205           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 206                       PropertyChangeMask );
 207
 208 #else
 209         // Normal X11
 210         xattributes.event_mask =
 211             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 212
 213         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 214             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 215
 216 #endif
 217
 218         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 219
 220         m_mainWindow = (WXWindow) xwindow;
 221         wxAddWindowToTable( xwindow, (wxWindow*) this );
 222
 223         XMapWindow( xdisplay, xwindow );
 224
 225 #if !wxUSE_NANOX
 226         xattributes.event_mask =
 227             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 228             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 229             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 230             PropertyChangeMask | VisibilityChangeMask ;
 231
 232         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 233         {
 234             xattributes_mask |= CWBitGravity;
 235             xattributes.bit_gravity = StaticGravity;
 236         }
 237 #endif
 238
 239         if (HasFlag(wxSUNKEN_BORDER) || HasFlag(wxRAISED_BORDER) || HasFlag(wxBORDER_THEME))
 240         {
 241             pos2.x = 2;
 242             pos2.y = 2;
 243             size2.x -= 4;
 244             size2.y -= 4;
 245         }
 246         else if (HasFlag( wxSIMPLE_BORDER ))
 247         {
 248             pos2.x = 1;
 249             pos2.y = 1;
 250             size2.x -= 2;
 251             size2.y -= 2;
 252         }
 253         else
 254         {
 255             pos2.x = 0;
 256             pos2.y = 0;
 257         }
 258
 259         // Make again sure the size is nonzero.
 260         if (size2.x <= 0)
 261             size2.x = 1;
 262         if (size2.y <= 0)
 263             size2.y = 1;
 264
 265 #if wxUSE_NANOX
 266         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 267         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 268
 269         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 270                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 271         XSelectInput( xdisplay, xwindow,
 272           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 273           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 274           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 275                       PropertyChangeMask );
 276
 277 #else
 278         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 279             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 280 #endif
 281
 282         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 283
 284         m_clientWindow = (WXWindow) xwindow;
 285         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 286
 287         XMapWindow( xdisplay, xwindow );
 288     }
 289     else
 290     {
 291         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 292 #if wxUSE_NANOX
 293         long backColor, foreColor;
 294         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 295         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 296
 297         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 298                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 299         XSelectInput( xdisplay, xwindow,
 300           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 301           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 302           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 303                       PropertyChangeMask );
 304
 305 #else
 306         xattributes.event_mask =
 307             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 308             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 309             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 310             PropertyChangeMask | VisibilityChangeMask ;
 311
 312         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 313         {
 314             xattributes_mask |= CWBitGravity;
 315             xattributes.bit_gravity = NorthWestGravity;
 316         }
 317
 318         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 319             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 320 #endif
 321
 322         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 323
 324         m_mainWindow = (WXWindow) xwindow;
 325         m_clientWindow = m_mainWindow;
 326         wxAddWindowToTable( xwindow, (wxWindow*) this );
 327
 328         XMapWindow( xdisplay, xwindow );
 329     }
 330
 331     // Is a subwindow, so map immediately
 332     m_isShown = true;
 333
 334     // Without this, the cursor may not be restored properly (e.g. in splitter
 335     // sample).
 336     SetCursor(*wxSTANDARD_CURSOR);
 337     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 338
 339     // Don't call this, it can have nasty repercussions for composite controls,
 340     // for example
 341     //    SetSize(pos.x, pos.y, size.x, size.y);
 342
 343     return true;
 344 }
 345
 346 // Destructor
 347 wxWindowX11::~wxWindowX11()
 348 {
 349     SendDestroyEvent();
 350
 351     if (g_captureWindow == this)
 352         g_captureWindow = NULL;
 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     if ( m_mainWindow )
 367     {
 368         Window xwindow = (Window) m_mainWindow;
 369         wxDeleteWindowFromTable( xwindow );
 370         XDestroyWindow( wxGlobalDisplay(), xwindow );
 371         m_mainWindow = NULL;
 372     }
 373 }
 374
 375 // ---------------------------------------------------------------------------
 376 // basic operations
 377 // ---------------------------------------------------------------------------
 378
 379 void wxWindowX11::SetFocus()
 380 {
 381     Window xwindow = (Window) m_clientWindow;
 382
 383     wxCHECK_RET( xwindow, wxT("invalid window") );
 384
 385     // Don't assert; we might be trying to set the focus for a panel
 386     // with only static controls, so the panel returns false from AcceptsFocus.
 387     // The app should be not be expected to deal with this.
 388     if (!AcceptsFocus())
 389         return;
 390
 391 #if 0
 392     if (GetName() == "scrollBar")
 393     {
 394         char *crash = NULL;
 395         *crash = 0;
 396     }
 397 #endif
 398
 399     XWindowAttributes wa;
 400     XGetWindowAttributes(wxGlobalDisplay(), xwindow, &wa);
 401
 402     if (wa.map_state == IsViewable)
 403     {
 404         wxLogTrace( wxT("focus"), wxT("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 405         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 406         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 407         m_needsInputFocus = false;
 408     }
 409     else
 410     {
 411         m_needsInputFocus = true;
 412     }
 413 }
 414
 415 // Get the window with the focus
 416 wxWindow *wxWindowBase::DoFindFocus()
 417 {
 418     Window xfocus = (Window) 0;
 419     int revert = 0;
 420
 421     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 422     if (xfocus)
 423     {
 424         wxWindow *win = wxGetWindowFromTable( xfocus );
 425         if (!win)
 426         {
 427             win = wxGetClientWindowFromTable( xfocus );
 428         }
 429
 430         return win;
 431     }
 432
 433     return NULL;
 434 }
 435
 436 // Enabling/disabling handled by event loop, and not sending events
 437 // if disabled.
 438 bool wxWindowX11::Enable(bool enable)
 439 {
 440     if ( !wxWindowBase::Enable(enable) )
 441         return false;
 442
 443     return true;
 444 }
 445
 446 bool wxWindowX11::Show(bool show)
 447 {
 448     wxWindowBase::Show(show);
 449
 450     Window xwindow = (Window) m_mainWindow;
 451     Display *xdisp = wxGlobalDisplay();
 452     if (show)
 453     {
 454         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 455         XMapWindow(xdisp, xwindow);
 456     }
 457     else
 458     {
 459         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 460         XUnmapWindow(xdisp, xwindow);
 461     }
 462
 463     return true;
 464 }
 465
 466 // Raise the window to the top of the Z order
 467 void wxWindowX11::Raise()
 468 {
 469     if (m_mainWindow)
 470         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 471 }
 472
 473 // Lower the window to the bottom of the Z order
 474 void wxWindowX11::Lower()
 475 {
 476     if (m_mainWindow)
 477         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 478 }
 479
 480 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 481 {
 482     // TODO
 483 }
 484
 485 wxString wxWindowX11::GetLabel() const
 486 {
 487     // TODO
 488     return wxEmptyString;
 489 }
 490
 491 void wxWindowX11::DoCaptureMouse()
 492 {
 493     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 494     {
 495         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 496
 497         // Core dump now
 498         int *tmp = NULL;
 499         (*tmp) = 1;
 500         return;
 501     }
 502
 503     if (m_winCaptured)
 504         return;
 505
 506     Window xwindow = (Window) m_clientWindow;
 507
 508     wxCHECK_RET( xwindow, wxT("invalid window") );
 509
 510     g_captureWindow = (wxWindow*) this;
 511
 512     if (xwindow)
 513     {
 514         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 515             FALSE,
 516             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 517             GrabModeAsync,
 518             GrabModeAsync,
 519             None,
 520             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 521             CurrentTime );
 522
 523         if (res != GrabSuccess)
 524         {
 525             wxString msg;
 526             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 527             wxLogDebug(msg);
 528             if (res == GrabNotViewable)
 529             {
 530                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 531             }
 532
 533             g_captureWindow = NULL;
 534             return;
 535         }
 536
 537         m_winCaptured = true;
 538     }
 539 }
 540
 541 void wxWindowX11::DoReleaseMouse()
 542 {
 543     g_captureWindow = NULL;
 544
 545     if ( !m_winCaptured )
 546         return;
 547
 548     Window xwindow = (Window) m_clientWindow;
 549
 550     if (xwindow)
 551     {
 552         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 553     }
 554
 555     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 556
 557     m_winCaptured = false;
 558 }
 559
 560 bool wxWindowX11::SetFont(const wxFont& font)
 561 {
 562     if ( !wxWindowBase::SetFont(font) )
 563     {
 564         // nothing to do
 565         return false;
 566     }
 567
 568     return true;
 569 }
 570
 571 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 572 {
 573     if ( !wxWindowBase::SetCursor(cursor) )
 574     {
 575         // no change
 576         return false;
 577     }
 578
 579     Window xwindow = (Window) m_clientWindow;
 580
 581     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 582
 583     wxCursor cursorToUse;
 584     if (m_cursor.IsOk())
 585         cursorToUse = m_cursor;
 586     else
 587         cursorToUse = *wxSTANDARD_CURSOR;
 588
 589     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 590
 591     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 592
 593     return true;
 594 }
 595
 596 // Coordinates relative to the window
 597 void wxWindowX11::WarpPointer (int x, int y)
 598 {
 599     Window xwindow = (Window) m_clientWindow;
 600
 601     wxCHECK_RET( xwindow, wxT("invalid window") );
 602
 603     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 604 }
 605
 606 // Does a physical scroll
 607 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 608 {
 609     // No scrolling requested.
 610     if ((dx == 0) && (dy == 0)) return;
 611
 612     if (!m_updateRegion.IsEmpty())
 613     {
 614         m_updateRegion.Offset( dx, dy );
 615
 616         int cw = 0;
 617         int ch = 0;
 618         GetSize( &cw, &ch );  // GetClientSize() ??
 619         m_updateRegion.Intersect( 0, 0, cw, ch );
 620     }
 621
 622     if (!m_clearRegion.IsEmpty())
 623     {
 624         m_clearRegion.Offset( dx, dy );
 625
 626         int cw = 0;
 627         int ch = 0;
 628         GetSize( &cw, &ch );  // GetClientSize() ??
 629         m_clearRegion.Intersect( 0, 0, cw, ch );
 630     }
 631
 632     Window xwindow = (Window) GetClientAreaWindow();
 633
 634     wxCHECK_RET( xwindow, wxT("invalid window") );
 635
 636     Display *xdisplay = wxGlobalDisplay();
 637
 638     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 639     XSetGraphicsExposures( xdisplay, xgc, True );
 640
 641     int s_x = 0;
 642     int s_y = 0;
 643     int cw;
 644     int ch;
 645     if (rect)
 646     {
 647         s_x = rect->x;
 648         s_y = rect->y;
 649
 650         cw = rect->width;
 651         ch = rect->height;
 652     }
 653     else
 654     {
 655         s_x = 0;
 656         s_y = 0;
 657         GetClientSize( &cw, &ch );
 658     }
 659
 660 #if wxUSE_TWO_WINDOWS
 661     wxPoint offset( 0,0 );
 662 #else
 663     wxPoint offset = GetClientAreaOrigin();
 664     s_x += offset.x;
 665     s_y += offset.y;
 666 #endif
 667
 668     int w = cw - abs(dx);
 669     int h = ch - abs(dy);
 670
 671     if ((h < 0) || (w < 0))
 672     {
 673         Refresh();
 674     }
 675     else
 676     {
 677         wxRect rect;
 678         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 679         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 680         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 681         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 682
 683         int d_x = s_x;
 684         int d_y = s_y;
 685
 686         if (dx < 0) s_x += -dx;
 687         if (dy < 0) s_y += -dy;
 688         if (dx > 0) d_x += dx + offset.x;
 689         if (dy > 0) d_y += dy + offset.y;
 690
 691         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 692
 693         // 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 );
 694
 695         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 696
 697         m_updateRegion.Union( rect );
 698         m_clearRegion.Union( rect );
 699     }
 700
 701     XFreeGC( xdisplay, xgc );
 702
 703     // Move Clients, but not the scrollbars
 704     // FIXME: There may be a better method to move a lot of Windows within X11
 705     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 706     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 707     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 708     while ( node )
 709     {
 710         // Only propagate to non-top-level windows
 711         wxWindow *win = node->GetData();
 712         if ( win->GetParent() && win != sbH && win != sbV )
 713         {
 714             wxPoint pos = win->GetPosition();
 715             // Add the delta to the old Position
 716             pos.x += dx;
 717             pos.y += dy;
 718             win->SetPosition(pos);
 719         }
 720         node = node->GetNext();
 721     }
 722 }
 723
 724 // ---------------------------------------------------------------------------
 725 // drag and drop
 726 // ---------------------------------------------------------------------------
 727
 728 #if wxUSE_DRAG_AND_DROP
 729
 730 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 731 {
 732     // TODO
 733 }
 734
 735 #endif
 736
 737 // Old style file-manager drag&drop
 738 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 739 {
 740     // TODO
 741 }
 742
 743 // ----------------------------------------------------------------------------
 744 // tooltips
 745 // ----------------------------------------------------------------------------
 746
 747 #if wxUSE_TOOLTIPS
 748
 749 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 750 {
 751     // TODO
 752 }
 753
 754 #endif // wxUSE_TOOLTIPS
 755
 756 // ---------------------------------------------------------------------------
 757 // moving and resizing
 758 // ---------------------------------------------------------------------------
 759
 760 bool wxWindowX11::PreResize()
 761 {
 762     return true;
 763 }
 764
 765 // Get total size
 766 void wxWindowX11::DoGetSize(int *x, int *y) const
 767 {
 768     Window xwindow = (Window) m_mainWindow;
 769
 770     wxCHECK_RET( xwindow, wxT("invalid window") );
 771
 772     //XSync(wxGlobalDisplay(), False);
 773
 774     XWindowAttributes attr;
 775     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 776     wxASSERT(status);
 777
 778     if (status)
 779     {
 780         *x = attr.width /* + 2*m_borderSize */ ;
 781         *y = attr.height /* + 2*m_borderSize */ ;
 782     }
 783 }
 784
 785 void wxWindowX11::DoGetPosition(int *x, int *y) const
 786 {
 787     Window window = (Window) m_mainWindow;
 788     if (window)
 789     {
 790         //XSync(wxGlobalDisplay(), False);
 791         XWindowAttributes attr;
 792         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 793         wxASSERT(status);
 794
 795         if (status)
 796         {
 797             *x = attr.x;
 798             *y = attr.y;
 799
 800             // We may be faking the client origin. So a window that's really at (0, 30)
 801             // may appear (to wxWin apps) to be at (0, 0).
 802             if (GetParent())
 803             {
 804                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 805                 *x -= pt.x;
 806                 *y -= pt.y;
 807             }
 808         }
 809     }
 810 }
 811
 812 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 813 {
 814     Display *display = wxGlobalDisplay();
 815     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 816     Window thisWindow = (Window) m_clientWindow;
 817
 818     Window childWindow;
 819     int xx = x ? *x : 0;
 820     int yy = y ? *y : 0;
 821     XTranslateCoordinates(display, rootWindow, thisWindow,
 822                           xx, yy, x ? x : &xx, y ? y : &yy,
 823                           &childWindow);
 824 }
 825
 826 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 827 {
 828     Display *display = wxGlobalDisplay();
 829     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 830     Window thisWindow = (Window) m_clientWindow;
 831
 832     Window childWindow;
 833     int xx = x ? *x : 0;
 834     int yy = y ? *y : 0;
 835     XTranslateCoordinates(display, thisWindow, rootWindow,
 836                           xx, yy, x ? x : &xx, y ? y : &yy,
 837                           &childWindow);
 838 }
 839
 840
 841 // Get size *available for subwindows* i.e. excluding menu bar etc.
 842 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 843 {
 844     Window window = (Window) m_mainWindow;
 845
 846     if (window)
 847     {
 848         XWindowAttributes attr;
 849         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 850         wxASSERT(status);
 851
 852         if (status)
 853         {
 854             *x = attr.width ;
 855             *y = attr.height ;
 856         }
 857     }
 858 }
 859
 860 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 861 {
 862     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 863
 864     Window xwindow = (Window) m_mainWindow;
 865
 866     wxCHECK_RET( xwindow, wxT("invalid window") );
 867
 868     XWindowAttributes attr;
 869     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 870     wxCHECK_RET( status, wxT("invalid window attributes") );
 871
 872     int new_x = attr.x;
 873     int new_y = attr.y;
 874     int new_w = attr.width;
 875     int new_h = attr.height;
 876
 877     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 878     {
 879         int yy = 0;
 880         AdjustForParentClientOrigin( x, yy, sizeFlags);
 881         new_x = x;
 882     }
 883     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 884     {
 885         int xx = 0;
 886         AdjustForParentClientOrigin( xx, y, sizeFlags);
 887         new_y = y;
 888     }
 889     if (width != wxDefaultCoord)
 890     {
 891         new_w = width;
 892         if (new_w <= 0)
 893             new_w = 20;
 894     }
 895     if (height != wxDefaultCoord)
 896     {
 897         new_h = height;
 898         if (new_h <= 0)
 899             new_h = 20;
 900     }
 901
 902     DoMoveWindow( new_x, new_y, new_w, new_h );
 903 }
 904
 905 void wxWindowX11::DoSetClientSize(int width, int height)
 906 {
 907     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 908
 909     Window xwindow = (Window) m_mainWindow;
 910
 911     wxCHECK_RET( xwindow, wxT("invalid window") );
 912
 913     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 914
 915     if (m_mainWindow != m_clientWindow)
 916     {
 917         xwindow = (Window) m_clientWindow;
 918
 919         wxWindow *window = (wxWindow*) this;
 920         wxRenderer *renderer = window->GetRenderer();
 921         if (renderer)
 922         {
 923             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 924             width -= border.x + border.width;
 925             height -= border.y + border.height;
 926         }
 927
 928         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 929     }
 930 }
 931
 932 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 933 {
 934     Window xwindow = (Window) m_mainWindow;
 935
 936     wxCHECK_RET( xwindow, wxT("invalid window") );
 937
 938 #if !wxUSE_NANOX
 939
 940     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 941     if (m_mainWindow != m_clientWindow)
 942     {
 943         xwindow = (Window) m_clientWindow;
 944
 945         wxWindow *window = (wxWindow*) this;
 946         wxRenderer *renderer = window->GetRenderer();
 947         if (renderer)
 948         {
 949             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 950             x = border.x;
 951             y = border.y;
 952             width -= border.x + border.width;
 953             height -= border.y + border.height;
 954         }
 955         else
 956         {
 957             x = 0;
 958             y = 0;
 959         }
 960
 961         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 962         if (sb && sb->IsShown())
 963         {
 964             wxSize size = sb->GetSize();
 965             height -= size.y;
 966         }
 967         sb = window->GetScrollbar( wxVERTICAL );
 968         if (sb && sb->IsShown())
 969         {
 970             wxSize size = sb->GetSize();
 971             width -= size.x;
 972         }
 973
 974         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 975     }
 976
 977 #else
 978
 979     XWindowChanges windowChanges;
 980     windowChanges.x = x;
 981     windowChanges.y = y;
 982     windowChanges.width = width;
 983     windowChanges.height = height;
 984     windowChanges.stack_mode = 0;
 985     int valueMask = CWX | CWY | CWWidth | CWHeight;
 986
 987     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 988
 989 #endif
 990 }
 991
 992 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 993 {
 994     m_minWidth = minW;
 995     m_minHeight = minH;
 996     m_maxWidth = maxW;
 997     m_maxHeight = maxH;
 998
 999 #if !wxUSE_NANOX
1000     XSizeHints sizeHints;
1001     sizeHints.flags = 0;
1002
1003     if (minW > -1 && minH > -1)
1004     {
1005         sizeHints.flags |= PMinSize;
1006         sizeHints.min_width = minW;
1007         sizeHints.min_height = minH;
1008     }
1009     if (maxW > -1 && maxH > -1)
1010     {
1011         sizeHints.flags |= PMaxSize;
1012         sizeHints.max_width = maxW;
1013         sizeHints.max_height = maxH;
1014     }
1015     if (incW > -1 && incH > -1)
1016     {
1017         sizeHints.flags |= PResizeInc;
1018         sizeHints.width_inc = incW;
1019         sizeHints.height_inc = incH;
1020     }
1021
1022     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1023 #endif
1024 }
1025
1026 // ---------------------------------------------------------------------------
1027 // text metrics
1028 // ---------------------------------------------------------------------------
1029
1030 int wxWindowX11::GetCharHeight() const
1031 {
1032     wxFont font(GetFont());
1033     wxCHECK_MSG( font.IsOk(), 0, wxT("valid window font needed") );
1034
1035 #if wxUSE_UNICODE
1036     // There should be an easier way.
1037     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1038     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1039     pango_layout_set_text(layout, "H", 1 );
1040     int w,h;
1041     pango_layout_get_pixel_size(layout, &w, &h);
1042     g_object_unref( G_OBJECT( layout ) );
1043
1044     return h;
1045 #else
1046     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1047
1048     int direction, ascent, descent;
1049     XCharStruct overall;
1050     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1051         &descent, &overall);
1052
1053     //  return (overall.ascent + overall.descent);
1054     return (ascent + descent);
1055 #endif
1056 }
1057
1058 int wxWindowX11::GetCharWidth() const
1059 {
1060     wxFont font(GetFont());
1061     wxCHECK_MSG( font.IsOk(), 0, wxT("valid window font needed") );
1062
1063 #if wxUSE_UNICODE
1064     // There should be an easier way.
1065     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1066     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1067     pango_layout_set_text(layout, "H", 1 );
1068     int w,h;
1069     pango_layout_get_pixel_size(layout, &w, &h);
1070     g_object_unref( G_OBJECT( layout ) );
1071
1072     return w;
1073 #else
1074     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1075
1076     int direction, ascent, descent;
1077     XCharStruct overall;
1078     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1079         &descent, &overall);
1080
1081     return overall.width;
1082 #endif
1083 }
1084
1085 void wxWindowX11::DoGetTextExtent(const wxString& string,
1086                                   int *x, int *y,
1087                                   int *descent,
1088                                   int *externalLeading,
1089                                   const wxFont *theFont) const
1090 {
1091     wxFont fontToUse = GetFont();
1092     if (theFont) fontToUse = *theFont;
1093
1094     wxCHECK_RET( fontToUse.IsOk(), wxT("invalid font") );
1095
1096     if (string.empty())
1097     {
1098         if (x) (*x) = 0;
1099         if (y) (*y) = 0;
1100         return;
1101     }
1102
1103 #if wxUSE_UNICODE
1104     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1105
1106     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1107     pango_layout_set_font_description(layout, desc);
1108
1109     const wxCharBuffer data = wxConvUTF8.cWC2MB( string.wc_str() );
1110     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1111
1112     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1113
1114
1115     PangoRectangle rect;
1116     pango_layout_line_get_extents(line, NULL, &rect);
1117
1118     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1119     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1120     if (descent)
1121     {
1122         // Do something about metrics here
1123         (*descent) = 0;
1124     }
1125     if (externalLeading) (*externalLeading) = 0;  // ??
1126
1127     g_object_unref( G_OBJECT( layout ) );
1128 #else
1129     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1130
1131     int direction, ascent, descent2;
1132     XCharStruct overall;
1133     int slen = string.length();
1134
1135     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1136                  &direction, &ascent, &descent2, &overall);
1137
1138     if ( x )
1139         *x = (overall.width);
1140     if ( y )
1141         *y = (ascent + descent2);
1142     if (descent)
1143         *descent = descent2;
1144     if (externalLeading)
1145         *externalLeading = 0;
1146 #endif
1147 }
1148
1149 // ----------------------------------------------------------------------------
1150 // painting
1151 // ----------------------------------------------------------------------------
1152
1153 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1154 {
1155     if (eraseBack)
1156     {
1157         if (rect)
1158         {
1159             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1160             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1161         }
1162         else
1163         {
1164             int height,width;
1165             GetSize( &width, &height );
1166
1167             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1168             m_clearRegion.Clear();
1169             m_clearRegion.Union( 0, 0, width, height );
1170         }
1171     }
1172
1173     if (rect)
1174     {
1175          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1176          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1177     }
1178     else
1179     {
1180         int height,width;
1181         GetSize( &width, &height );
1182
1183         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1184         m_updateRegion.Clear();
1185         m_updateRegion.Union( 0, 0, width, height );
1186     }
1187 }
1188
1189 void wxWindowX11::Update()
1190 {
1191     if (m_updateNcArea)
1192     {
1193         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1194         // Send nc paint events.
1195         SendNcPaintEvents();
1196     }
1197
1198     if (!m_updateRegion.IsEmpty())
1199     {
1200         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1201         // Actually send erase events.
1202         SendEraseEvents();
1203
1204         // Actually send paint events.
1205         SendPaintEvents();
1206     }
1207 }
1208
1209 void wxWindowX11::SendEraseEvents()
1210 {
1211     if (m_clearRegion.IsEmpty()) return;
1212
1213     wxClientDC dc( (wxWindow*)this );
1214     dc.SetDeviceClippingRegion( m_clearRegion );
1215
1216     wxEraseEvent erase_event( GetId(), &dc );
1217     erase_event.SetEventObject( this );
1218
1219     if (!HandleWindowEvent(erase_event) )
1220     {
1221         Display *xdisplay = wxGlobalDisplay();
1222         Window xwindow = (Window) GetClientAreaWindow();
1223         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1224
1225         wxRegionIterator upd( m_clearRegion );
1226         while (upd)
1227         {
1228             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1229                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1230             upd ++;
1231         }
1232     }
1233
1234     m_clearRegion.Clear();
1235 }
1236
1237 void wxWindowX11::SendPaintEvents()
1238 {
1239     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1240
1241     m_clipPaintRegion = true;
1242
1243     wxPaintEvent paint_event( GetId() );
1244     paint_event.SetEventObject( this );
1245     HandleWindowEvent( paint_event );
1246
1247     m_updateRegion.Clear();
1248
1249     m_clipPaintRegion = false;
1250 }
1251
1252 void wxWindowX11::SendNcPaintEvents()
1253 {
1254     wxWindow *window = (wxWindow*) this;
1255
1256     // All this for drawing the small square between the scrollbars.
1257     int width = 0;
1258     int height = 0;
1259     int x = 0;
1260     int y = 0;
1261     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1262     if (sb && sb->IsShown())
1263     {
1264         height = sb->GetSize().y;
1265         y = sb->GetPosition().y;
1266
1267         sb = window->GetScrollbar( wxVERTICAL );
1268         if (sb && sb->IsShown())
1269         {
1270             width = sb->GetSize().x;
1271             x = sb->GetPosition().x;
1272
1273             Display *xdisplay = wxGlobalDisplay();
1274             Window xwindow = (Window) X11GetMainWindow();
1275             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1276             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1277             colour.CalcPixel( (WXColormap) cm );
1278
1279             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1280
1281             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1282         }
1283     }
1284
1285     wxNcPaintEvent nc_paint_event( GetId() );
1286     nc_paint_event.SetEventObject( this );
1287     HandleWindowEvent( nc_paint_event );
1288
1289     m_updateNcArea = false;
1290 }
1291
1292 // ----------------------------------------------------------------------------
1293 // event handlers
1294 // ----------------------------------------------------------------------------
1295
1296 // Responds to colour changes: passes event on to children.
1297 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1298 {
1299     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1300     while ( node )
1301     {
1302         // Only propagate to non-top-level windows
1303         wxWindow *win = node->GetData();
1304         if ( win->GetParent() )
1305         {
1306             wxSysColourChangedEvent event2;
1307             event.SetEventObject(win);
1308             win->HandleWindowEvent(event2);
1309         }
1310
1311         node = node->GetNext();
1312     }
1313 }
1314
1315 // See handler for InFocus case in app.cpp for details.
1316 wxWindow* g_GettingFocus = NULL;
1317
1318 void wxWindowX11::OnInternalIdle()
1319 {
1320     // Update invalidated regions.
1321     Update();
1322
1323     wxWindowBase::OnInternalIdle();
1324
1325     // Set the input focus if couldn't do it before
1326     if (m_needsInputFocus)
1327     {
1328 #if 0
1329         wxString msg;
1330         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1331         printf(msg.c_str());
1332 #endif
1333         SetFocus();
1334
1335         // If it couldn't set the focus now, there's
1336         // no point in trying again.
1337         m_needsInputFocus = false;
1338     }
1339     g_GettingFocus = NULL;
1340 }
1341
1342 // ----------------------------------------------------------------------------
1343 // function which maintain the global hash table mapping Widgets to wxWidgets
1344 // ----------------------------------------------------------------------------
1345
1346 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1347 {
1348     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1349     {
1350         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1351                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1352         return false;
1353     }
1354
1355     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1356                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1357
1358     return true;
1359 }
1360
1361 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1362 {
1363     wxWindowHash::iterator i = hash->find(w);
1364     return i == hash->end() ? NULL : i->second;
1365 }
1366
1367 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1368 {
1369     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1370
1371     hash->erase(w);
1372 }
1373
1374 // ----------------------------------------------------------------------------
1375 // public wrappers
1376 // ----------------------------------------------------------------------------
1377
1378 bool wxAddWindowToTable(Window w, wxWindow *win)
1379 {
1380     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1381 }
1382
1383 wxWindow *wxGetWindowFromTable(Window w)
1384 {
1385     return DoGetWindowFromTable(wxWidgetHashTable, w);
1386 }
1387
1388 void wxDeleteWindowFromTable(Window w)
1389 {
1390     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1391 }
1392
1393 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1394 {
1395     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1396 }
1397
1398 wxWindow *wxGetClientWindowFromTable(Window w)
1399 {
1400     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1401 }
1402
1403 void wxDeleteClientWindowFromTable(Window w)
1404 {
1405     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1406 }
1407
1408 // ----------------------------------------------------------------------------
1409 // X11-specific accessors
1410 // ----------------------------------------------------------------------------
1411
1412 WXWindow wxWindowX11::X11GetMainWindow() const
1413 {
1414     return m_mainWindow;
1415 }
1416
1417 WXWindow wxWindowX11::GetClientAreaWindow() const
1418 {
1419     return m_clientWindow;
1420 }
1421
1422 // ----------------------------------------------------------------------------
1423 // TranslateXXXEvent() functions
1424 // ----------------------------------------------------------------------------
1425
1426 bool wxTranslateMouseEvent(wxMouseEvent& wxevent,
1427                            wxWindow *win,
1428                            Window WXUNUSED(window),
1429                            XEvent *xevent)
1430 {
1431     switch (XEventGetType(xevent))
1432     {
1433         case EnterNotify:
1434         case LeaveNotify:
1435         case ButtonPress:
1436         case ButtonRelease:
1437         case MotionNotify:
1438         {
1439             wxEventType eventType = wxEVT_NULL;
1440
1441             if (XEventGetType(xevent) == EnterNotify)
1442             {
1443                 //if (local_event.xcrossing.mode!=NotifyNormal)
1444                 //  return ; // Ignore grab events
1445                 eventType = wxEVT_ENTER_WINDOW;
1446                 //            canvas->GetEventHandler()->OnSetFocus();
1447             }
1448             else if (XEventGetType(xevent) == LeaveNotify)
1449             {
1450                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1451                 //  return ; // Ignore grab events
1452                 eventType = wxEVT_LEAVE_WINDOW;
1453                 //            canvas->GetEventHandler()->OnKillFocus();
1454             }
1455             else if (XEventGetType(xevent) == MotionNotify)
1456             {
1457                 eventType = wxEVT_MOTION;
1458             }
1459             else if (XEventGetType(xevent) == ButtonPress)
1460             {
1461                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1462                 int button = 0;
1463                 if (XButtonEventLChanged(xevent))
1464                 {
1465                     eventType = wxEVT_LEFT_DOWN;
1466                     button = 1;
1467                 }
1468                 else if (XButtonEventMChanged(xevent))
1469                 {
1470                     eventType = wxEVT_MIDDLE_DOWN;
1471                     button = 2;
1472                 }
1473                 else if (XButtonEventRChanged(xevent))
1474                 {
1475                     eventType = wxEVT_RIGHT_DOWN;
1476                     button = 3;
1477                 }
1478                 else if ( xevent->xbutton.button == Button4 ||
1479                             xevent->xbutton.button == Button5 )
1480                 {
1481                     // this is the same value as used under wxMSW
1482                     static const int WHEEL_DELTA = 120;
1483
1484                     eventType = wxEVT_MOUSEWHEEL;
1485                     button = xevent->xbutton.button;
1486
1487                     wxevent.m_linesPerAction = 3;
1488                     wxevent.m_columnsPerAction = 3;
1489                     wxevent.m_wheelDelta = WHEEL_DELTA;
1490
1491                     // Button 4 means mousewheel up, 5 means down
1492                     wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
1493                                                                 : -WHEEL_DELTA;
1494                 }
1495
1496                 // check for a double click
1497                 // TODO: where can we get this value from?
1498                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1499                 long dclickTime = 200;
1500                 long ts = wxevent.GetTimestamp();
1501
1502                 int buttonLast = win->GetLastClickedButton();
1503                 long lastTS = win->GetLastClickTime();
1504                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1505                 {
1506                     // I have a dclick
1507                     win->SetLastClick(0, ts);
1508                     if ( eventType == wxEVT_LEFT_DOWN )
1509                         eventType = wxEVT_LEFT_DCLICK;
1510                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1511                         eventType = wxEVT_MIDDLE_DCLICK;
1512                     else if ( eventType == wxEVT_RIGHT_DOWN )
1513                         eventType = wxEVT_RIGHT_DCLICK;
1514                 }
1515                 else
1516                 {
1517                     // not fast enough or different button
1518                     win->SetLastClick(button, ts);
1519                 }
1520             }
1521             else if (XEventGetType(xevent) == ButtonRelease)
1522             {
1523                 if (XButtonEventLChanged(xevent))
1524                 {
1525                     eventType = wxEVT_LEFT_UP;
1526                 }
1527                 else if (XButtonEventMChanged(xevent))
1528                 {
1529                     eventType = wxEVT_MIDDLE_UP;
1530                 }
1531                 else if (XButtonEventRChanged(xevent))
1532                 {
1533                     eventType = wxEVT_RIGHT_UP;
1534                 }
1535                 else return false;
1536             }
1537             else
1538             {
1539                 return false;
1540             }
1541
1542             wxevent.SetEventType(eventType);
1543
1544             wxevent.m_x = XButtonEventGetX(xevent);
1545             wxevent.m_y = XButtonEventGetY(xevent);
1546
1547             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1548                 || (XButtonEventLIsDown(xevent)
1549                 && (eventType != wxEVT_LEFT_UP)));
1550             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1551                 || (XButtonEventMIsDown(xevent)
1552                 && (eventType != wxEVT_MIDDLE_UP)));
1553             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1554                 || (XButtonEventRIsDown (xevent)
1555                 && (eventType != wxEVT_RIGHT_UP)));
1556
1557             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1558             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1559             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1560             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1561
1562             wxevent.SetId(win->GetId());
1563             wxevent.SetEventObject(win);
1564
1565             return true;
1566         }
1567     }
1568     return false;
1569 }
1570
1571 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1572 {
1573     switch (XEventGetType(xevent))
1574     {
1575     case KeyPress:
1576     case KeyRelease:
1577         {
1578             char buf[20];
1579
1580             KeySym keySym;
1581             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1582             int id = wxCharCodeXToWX (keySym);
1583             // id may be WXK_xxx code - these are outside ASCII range, so we
1584             // can't just use toupper() on id.
1585             // Only change this if we want the raw key that was pressed,
1586             // and don't change it if we want an ASCII value.
1587             if (!isAscii && (id >= 'a' && id <= 'z'))
1588             {
1589                 id = id + 'A' - 'a';
1590             }
1591
1592             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1593             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1594             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1595             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1596             wxevent.SetEventObject(win);
1597             wxevent.m_keyCode = id;
1598             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1599
1600             wxevent.m_x = XKeyEventGetX(xevent);
1601             wxevent.m_y = XKeyEventGetY(xevent);
1602
1603             return id > -1;
1604         }
1605     default:
1606         break;
1607     }
1608     return false;
1609 }
1610
1611 // ----------------------------------------------------------------------------
1612 // Colour stuff
1613 // ----------------------------------------------------------------------------
1614
1615 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1616 {
1617     wxWindowBase::SetBackgroundColour(col);
1618
1619     Display *xdisplay = (Display*) wxGlobalDisplay();
1620     int xscreen = DefaultScreen( xdisplay );
1621     Colormap cm = DefaultColormap( xdisplay, xscreen );
1622
1623     m_backgroundColour.CalcPixel( (WXColormap) cm );
1624
1625     // We don't set the background colour as we paint
1626     // the background ourselves.
1627     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1628
1629     return true;
1630 }
1631
1632 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1633 {
1634     if ( !wxWindowBase::SetForegroundColour(col) )
1635         return false;
1636
1637     return true;
1638 }
1639
1640 // ----------------------------------------------------------------------------
1641 // global functions
1642 // ----------------------------------------------------------------------------
1643
1644 wxWindow *wxGetActiveWindow()
1645 {
1646     return wxGetTopLevelParent(wxWindow::FindFocus());
1647 }
1648
1649 /* static */
1650 wxWindow *wxWindowBase::GetCapture()
1651 {
1652     return (wxWindow *)g_captureWindow;
1653 }
1654
1655
1656 // Find the wxWindow at the current mouse position, returning the mouse
1657 // position.
1658 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1659 {
1660     pt = wxGetMousePosition();
1661     return wxFindWindowAtPoint(pt);
1662 }
1663
1664 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1665 {
1666 #if wxUSE_NANOX
1667     /* TODO */
1668     rootX = rootY = 0;
1669     maskReturn = 0;
1670 #else
1671     Display *display = wxGlobalDisplay();
1672     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1673     Window rootReturn, childReturn;
1674     int winX, winY;
1675
1676     XQueryPointer (display,
1677                    rootWindow,
1678                    &rootReturn,
1679                    &childReturn,
1680                    &rootX, &rootY, &winX, &winY, &maskReturn);
1681 #endif
1682 }
1683
1684 // Get the current mouse position.
1685 wxPoint wxGetMousePosition()
1686 {
1687     int x, y;
1688     unsigned mask;
1689
1690     wxGetMouseState(x, y, mask);
1691     return wxPoint(x, y);
1692 }
1693
1694 wxMouseState wxGetMouseState()
1695 {
1696     wxMouseState ms;
1697     int x, y;
1698     unsigned mask;
1699
1700     wxGetMouseState(x, y, mask);
1701
1702     ms.SetX(x);
1703     ms.SetY(y);
1704
1705     ms.SetLeftDown(mask & Button1Mask);
1706     ms.SetMiddleDown(mask & Button2Mask);
1707     ms.SetRightDown(mask & Button3Mask);
1708
1709     ms.SetControlDown(mask & ControlMask);
1710     ms.SetShiftDown(mask & ShiftMask);
1711     ms.SetAltDown(mask & Mod3Mask);
1712     ms.SetMetaDown(mask & Mod1Mask);
1713
1714     return ms;
1715 }
1716
1717
1718 // ----------------------------------------------------------------------------
1719 // wxNoOptimize: switch off size optimization
1720 // ----------------------------------------------------------------------------
1721
1722 int wxNoOptimize::ms_count = 0;
1723
1724
1725 // ----------------------------------------------------------------------------
1726 // wxDCModule
1727 // ----------------------------------------------------------------------------
1728
1729 class wxWinModule : public wxModule
1730 {
1731 public:
1732     wxWinModule()
1733     {
1734         // we must be cleaned up before the display is closed
1735         AddDependency(wxClassInfo::FindClass(wxT("wxX11DisplayModule")));
1736     }
1737
1738     virtual bool OnInit();
1739     virtual void OnExit();
1740
1741 private:
1742     DECLARE_DYNAMIC_CLASS(wxWinModule)
1743 };
1744
1745 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1746
1747 bool wxWinModule::OnInit()
1748 {
1749     Display *xdisplay = wxGlobalDisplay();
1750     if ( !xdisplay )
1751     {
1752         // This module may be linked into a console program when using
1753         // monolithic library and in this case it's perfectly normal not to
1754         // have a display, so just return without doing anything and avoid
1755         // crashing below.
1756         return true;
1757     }
1758
1759     int xscreen = DefaultScreen( xdisplay );
1760     Window xroot = RootWindow( xdisplay, xscreen );
1761     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1762     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1763
1764     return true;
1765 }
1766
1767 void wxWinModule::OnExit()
1768 {
1769     Display *xdisplay = wxGlobalDisplay();
1770     XFreeGC( xdisplay, g_eraseGC );
1771 }