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/unix/utilsx11.h"
  60
  61 #include "wx/x11/private.h"
  62 #include "X11/Xutil.h"
  63
  64 #include <string.h>
  65
  66 // ----------------------------------------------------------------------------
  67 // global variables for this module
  68 // ----------------------------------------------------------------------------
  69
  70 static wxWindow* g_captureWindow = NULL;
  71 static GC g_eraseGC;
  72
  73 // ----------------------------------------------------------------------------
  74 // macros
  75 // ----------------------------------------------------------------------------
  76
  77 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  78 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  79 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  80
  81 // ----------------------------------------------------------------------------
  82 // event tables
  83 // ----------------------------------------------------------------------------
  84
  85 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  86
  87 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  88     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  89 END_EVENT_TABLE()
  90
  91 // ============================================================================
  92 // implementation
  93 // ============================================================================
  94
  95 // ----------------------------------------------------------------------------
  96 // helper functions
  97 // ----------------------------------------------------------------------------
  98
  99 // ----------------------------------------------------------------------------
 100 // constructors
 101 // ----------------------------------------------------------------------------
 102
 103 void wxWindowX11::Init()
 104 {
 105     // X11-specific
 106     m_mainWindow = (WXWindow) 0;
 107     m_clientWindow = (WXWindow) 0;
 108     m_insertIntoMain = false;
 109     m_updateNcArea = false;
 110
 111     m_winCaptured = false;
 112     m_needsInputFocus = false;
 113     m_isShown = true;
 114     m_lastTS = 0;
 115     m_lastButton = 0;
 116 }
 117
 118 // real construction (Init() must have been called before!)
 119 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 120                          const wxPoint& pos,
 121                          const wxSize& size,
 122                          long style,
 123                          const wxString& name)
 124 {
 125     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 126
 127     // Get default border
 128     wxBorder border = GetBorder(style);
 129     style &= ~wxBORDER_MASK;
 130     style |= border;
 131
 132     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 133
 134     parent->AddChild(this);
 135
 136     Display *xdisplay = (Display*) wxGlobalDisplay();
 137     int xscreen = DefaultScreen( xdisplay );
 138     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 139     Colormap cm = DefaultColormap( xdisplay, xscreen );
 140
 141     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 142     m_backgroundColour.CalcPixel( (WXColormap) cm );
 143
 144     m_foregroundColour = *wxBLACK;
 145     m_foregroundColour.CalcPixel( (WXColormap) cm );
 146
 147     Window xparent = (Window) parent->GetClientAreaWindow();
 148
 149     // Add window's own scrollbars to main window, not to client window
 150     if (parent->GetInsertIntoMain())
 151     {
 152         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 153         xparent = (Window) parent->X11GetMainWindow();
 154     }
 155
 156     // Size (not including the border) must be nonzero (or a Value error results)!
 157     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 158     wxSize size2(size);
 159     if (size2.x <= 0)
 160         size2.x = 20;
 161     if (size2.y <= 0)
 162         size2.y = 20;
 163
 164     wxPoint pos2(pos);
 165     if (pos2.x == wxDefaultCoord)
 166         pos2.x = 0;
 167     if (pos2.y == wxDefaultCoord)
 168         pos2.y = 0;
 169
 170     AdjustForParentClientOrigin(pos2.x, pos2.y);
 171
 172 #if wxUSE_TWO_WINDOWS
 173     bool need_two_windows =
 174         ((( wxSUNKEN_BORDER | wxBORDER_THEME | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 175 #else
 176     bool need_two_windows = false;
 177 #endif
 178
 179 #if wxUSE_NANOX
 180     long xattributes = 0;
 181 #else
 182     XSetWindowAttributes xattributes;
 183     long xattributes_mask = 0;
 184
 185     xattributes_mask |= CWBackPixel;
 186     xattributes.background_pixel = m_backgroundColour.GetPixel();
 187
 188     xattributes_mask |= CWBorderPixel;
 189     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 190
 191     xattributes_mask |= CWEventMask;
 192 #endif
 193
 194     if (need_two_windows)
 195     {
 196 #if wxUSE_NANOX
 197         long backColor, foreColor;
 198         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 199         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 200
 201         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 202                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 203         XSelectInput( xdisplay, xwindow,
 204           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 205           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 206           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 207                       PropertyChangeMask );
 208
 209 #else
 210         // Normal X11
 211         xattributes.event_mask =
 212             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 213
 214         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 215             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 216
 217 #endif
 218
 219         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 220
 221         m_mainWindow = (WXWindow) xwindow;
 222         wxAddWindowToTable( xwindow, (wxWindow*) this );
 223
 224         XMapWindow( xdisplay, xwindow );
 225
 226 #if !wxUSE_NANOX
 227         xattributes.event_mask =
 228             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 229             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 230             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 231             PropertyChangeMask | VisibilityChangeMask ;
 232
 233         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 234         {
 235             xattributes_mask |= CWBitGravity;
 236             xattributes.bit_gravity = StaticGravity;
 237         }
 238 #endif
 239
 240         if (HasFlag(wxSUNKEN_BORDER) || HasFlag(wxRAISED_BORDER) || HasFlag(wxBORDER_THEME))
 241         {
 242             pos2.x = 2;
 243             pos2.y = 2;
 244             size2.x -= 4;
 245             size2.y -= 4;
 246         }
 247         else if (HasFlag( wxSIMPLE_BORDER ))
 248         {
 249             pos2.x = 1;
 250             pos2.y = 1;
 251             size2.x -= 2;
 252             size2.y -= 2;
 253         }
 254         else
 255         {
 256             pos2.x = 0;
 257             pos2.y = 0;
 258         }
 259
 260         // Make again sure the size is nonzero.
 261         if (size2.x <= 0)
 262             size2.x = 1;
 263         if (size2.y <= 0)
 264             size2.y = 1;
 265
 266 #if wxUSE_NANOX
 267         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 268         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 269
 270         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 271                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 272         XSelectInput( xdisplay, xwindow,
 273           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 274           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 275           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 276                       PropertyChangeMask );
 277
 278 #else
 279         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 280             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 281 #endif
 282
 283         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 284
 285         m_clientWindow = (WXWindow) xwindow;
 286         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 287
 288         XMapWindow( xdisplay, xwindow );
 289     }
 290     else
 291     {
 292         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 293 #if wxUSE_NANOX
 294         long backColor, foreColor;
 295         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 296         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 297
 298         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 299                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 300         XSelectInput( xdisplay, xwindow,
 301           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 302           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 303           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 304                       PropertyChangeMask );
 305
 306 #else
 307         xattributes.event_mask =
 308             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 309             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 310             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 311             PropertyChangeMask | VisibilityChangeMask ;
 312
 313         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 314         {
 315             xattributes_mask |= CWBitGravity;
 316             xattributes.bit_gravity = NorthWestGravity;
 317         }
 318
 319         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 320             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 321 #endif
 322
 323         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 324
 325         m_mainWindow = (WXWindow) xwindow;
 326         m_clientWindow = m_mainWindow;
 327         wxAddWindowToTable( xwindow, (wxWindow*) this );
 328
 329         XMapWindow( xdisplay, xwindow );
 330     }
 331
 332     // Is a subwindow, so map immediately
 333     m_isShown = true;
 334
 335     // Without this, the cursor may not be restored properly (e.g. in splitter
 336     // sample).
 337     SetCursor(*wxSTANDARD_CURSOR);
 338     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 339
 340     // Don't call this, it can have nasty repercussions for composite controls,
 341     // for example
 342     //    SetSize(pos.x, pos.y, size.x, size.y);
 343
 344     return true;
 345 }
 346
 347 // Destructor
 348 wxWindowX11::~wxWindowX11()
 349 {
 350     SendDestroyEvent();
 351
 352     if (g_captureWindow == this)
 353         g_captureWindow = NULL;
 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     XWindowAttributes wa;
 401     XGetWindowAttributes(wxGlobalDisplay(), xwindow, &wa);
 402
 403     if (wa.map_state == IsViewable)
 404     {
 405         wxLogTrace( wxT("focus"), wxT("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 406         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 407         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 408         m_needsInputFocus = false;
 409     }
 410     else
 411     {
 412         m_needsInputFocus = true;
 413     }
 414 }
 415
 416 // Get the window with the focus
 417 wxWindow *wxWindowBase::DoFindFocus()
 418 {
 419     Window xfocus = (Window) 0;
 420     int revert = 0;
 421
 422     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 423     if (xfocus)
 424     {
 425         wxWindow *win = wxGetWindowFromTable( xfocus );
 426         if (!win)
 427         {
 428             win = wxGetClientWindowFromTable( xfocus );
 429         }
 430
 431         return win;
 432     }
 433
 434     return NULL;
 435 }
 436
 437 // Enabling/disabling handled by event loop, and not sending events
 438 // if disabled.
 439 bool wxWindowX11::Enable(bool enable)
 440 {
 441     if ( !wxWindowBase::Enable(enable) )
 442         return false;
 443
 444     return true;
 445 }
 446
 447 bool wxWindowX11::Show(bool show)
 448 {
 449     wxWindowBase::Show(show);
 450
 451     Window xwindow = (Window) m_mainWindow;
 452     Display *xdisp = wxGlobalDisplay();
 453     if (show)
 454     {
 455         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 456         XMapWindow(xdisp, xwindow);
 457     }
 458     else
 459     {
 460         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 461         XUnmapWindow(xdisp, xwindow);
 462     }
 463
 464     return true;
 465 }
 466
 467 // Raise the window to the top of the Z order
 468 void wxWindowX11::Raise()
 469 {
 470     if (m_mainWindow)
 471         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 472 }
 473
 474 // Lower the window to the bottom of the Z order
 475 void wxWindowX11::Lower()
 476 {
 477     if (m_mainWindow)
 478         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 479 }
 480
 481 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 482 {
 483     // TODO
 484 }
 485
 486 wxString wxWindowX11::GetLabel() const
 487 {
 488     // TODO
 489     return wxEmptyString;
 490 }
 491
 492 void wxWindowX11::DoCaptureMouse()
 493 {
 494     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 495     {
 496         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 497
 498         // Core dump now
 499         int *tmp = NULL;
 500         (*tmp) = 1;
 501         return;
 502     }
 503
 504     if (m_winCaptured)
 505         return;
 506
 507     Window xwindow = (Window) m_clientWindow;
 508
 509     wxCHECK_RET( xwindow, wxT("invalid window") );
 510
 511     g_captureWindow = (wxWindow*) this;
 512
 513     if (xwindow)
 514     {
 515         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 516             FALSE,
 517             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 518             GrabModeAsync,
 519             GrabModeAsync,
 520             None,
 521             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 522             CurrentTime );
 523
 524         if (res != GrabSuccess)
 525         {
 526             wxString msg;
 527             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 528             wxLogDebug(msg);
 529             if (res == GrabNotViewable)
 530             {
 531                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 532             }
 533
 534             g_captureWindow = NULL;
 535             return;
 536         }
 537
 538         m_winCaptured = true;
 539     }
 540 }
 541
 542 void wxWindowX11::DoReleaseMouse()
 543 {
 544     g_captureWindow = NULL;
 545
 546     if ( !m_winCaptured )
 547         return;
 548
 549     Window xwindow = (Window) m_clientWindow;
 550
 551     if (xwindow)
 552     {
 553         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 554     }
 555
 556     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 557
 558     m_winCaptured = false;
 559 }
 560
 561 bool wxWindowX11::SetFont(const wxFont& font)
 562 {
 563     if ( !wxWindowBase::SetFont(font) )
 564     {
 565         // nothing to do
 566         return false;
 567     }
 568
 569     return true;
 570 }
 571
 572 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 573 {
 574     if ( !wxWindowBase::SetCursor(cursor) )
 575     {
 576         // no change
 577         return false;
 578     }
 579
 580     Window xwindow = (Window) m_clientWindow;
 581
 582     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 583
 584     wxCursor cursorToUse;
 585     if (m_cursor.IsOk())
 586         cursorToUse = m_cursor;
 587     else
 588         cursorToUse = *wxSTANDARD_CURSOR;
 589
 590     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 591
 592     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 593
 594     return true;
 595 }
 596
 597 // Coordinates relative to the window
 598 void wxWindowX11::WarpPointer (int x, int y)
 599 {
 600     Window xwindow = (Window) m_clientWindow;
 601
 602     wxCHECK_RET( xwindow, wxT("invalid window") );
 603
 604     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 605 }
 606
 607 // Does a physical scroll
 608 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 609 {
 610     // No scrolling requested.
 611     if ((dx == 0) && (dy == 0)) return;
 612
 613     if (!m_updateRegion.IsEmpty())
 614     {
 615         m_updateRegion.Offset( dx, dy );
 616
 617         int cw = 0;
 618         int ch = 0;
 619         GetSize( &cw, &ch );  // GetClientSize() ??
 620         m_updateRegion.Intersect( 0, 0, cw, ch );
 621     }
 622
 623     if (!m_clearRegion.IsEmpty())
 624     {
 625         m_clearRegion.Offset( dx, dy );
 626
 627         int cw = 0;
 628         int ch = 0;
 629         GetSize( &cw, &ch );  // GetClientSize() ??
 630         m_clearRegion.Intersect( 0, 0, cw, ch );
 631     }
 632
 633     Window xwindow = (Window) GetClientAreaWindow();
 634
 635     wxCHECK_RET( xwindow, wxT("invalid window") );
 636
 637     Display *xdisplay = wxGlobalDisplay();
 638
 639     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 640     XSetGraphicsExposures( xdisplay, xgc, True );
 641
 642     int s_x = 0;
 643     int s_y = 0;
 644     int cw;
 645     int ch;
 646     if (rect)
 647     {
 648         s_x = rect->x;
 649         s_y = rect->y;
 650
 651         cw = rect->width;
 652         ch = rect->height;
 653     }
 654     else
 655     {
 656         s_x = 0;
 657         s_y = 0;
 658         GetClientSize( &cw, &ch );
 659     }
 660
 661 #if wxUSE_TWO_WINDOWS
 662     wxPoint offset( 0,0 );
 663 #else
 664     wxPoint offset = GetClientAreaOrigin();
 665     s_x += offset.x;
 666     s_y += offset.y;
 667 #endif
 668
 669     int w = cw - abs(dx);
 670     int h = ch - abs(dy);
 671
 672     if ((h < 0) || (w < 0))
 673     {
 674         Refresh();
 675     }
 676     else
 677     {
 678         wxRect rect;
 679         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 680         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 681         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 682         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 683
 684         int d_x = s_x;
 685         int d_y = s_y;
 686
 687         if (dx < 0) s_x += -dx;
 688         if (dy < 0) s_y += -dy;
 689         if (dx > 0) d_x += dx + offset.x;
 690         if (dy > 0) d_y += dy + offset.y;
 691
 692         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 693
 694         // 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 );
 695
 696         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 697
 698         m_updateRegion.Union( rect );
 699         m_clearRegion.Union( rect );
 700     }
 701
 702     XFreeGC( xdisplay, xgc );
 703
 704     // Move Clients, but not the scrollbars
 705     // FIXME: There may be a better method to move a lot of Windows within X11
 706     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 707     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 708     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 709     while ( node )
 710     {
 711         // Only propagate to non-top-level windows
 712         wxWindow *win = node->GetData();
 713         if ( win->GetParent() && win != sbH && win != sbV )
 714         {
 715             wxPoint pos = win->GetPosition();
 716             // Add the delta to the old Position
 717             pos.x += dx;
 718             pos.y += dy;
 719             win->SetPosition(pos);
 720         }
 721         node = node->GetNext();
 722     }
 723 }
 724
 725 // ---------------------------------------------------------------------------
 726 // drag and drop
 727 // ---------------------------------------------------------------------------
 728
 729 #if wxUSE_DRAG_AND_DROP
 730
 731 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 732 {
 733     // TODO
 734 }
 735
 736 #endif
 737
 738 // Old style file-manager drag&drop
 739 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 740 {
 741     // TODO
 742 }
 743
 744 // ----------------------------------------------------------------------------
 745 // tooltips
 746 // ----------------------------------------------------------------------------
 747
 748 #if wxUSE_TOOLTIPS
 749
 750 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 751 {
 752     // TODO
 753 }
 754
 755 #endif // wxUSE_TOOLTIPS
 756
 757 // ---------------------------------------------------------------------------
 758 // moving and resizing
 759 // ---------------------------------------------------------------------------
 760
 761 bool wxWindowX11::PreResize()
 762 {
 763     return true;
 764 }
 765
 766 // Get total size
 767 void wxWindowX11::DoGetSize(int *x, int *y) const
 768 {
 769     Window xwindow = (Window) m_mainWindow;
 770
 771     wxCHECK_RET( xwindow, wxT("invalid window") );
 772
 773     //XSync(wxGlobalDisplay(), False);
 774
 775     XWindowAttributes attr;
 776     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 777     wxASSERT(status);
 778
 779     if (status)
 780     {
 781         *x = attr.width /* + 2*m_borderSize */ ;
 782         *y = attr.height /* + 2*m_borderSize */ ;
 783     }
 784 }
 785
 786 void wxWindowX11::DoGetPosition(int *x, int *y) const
 787 {
 788     Window window = (Window) m_mainWindow;
 789     if (window)
 790     {
 791         //XSync(wxGlobalDisplay(), False);
 792         XWindowAttributes attr;
 793         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 794         wxASSERT(status);
 795
 796         if (status)
 797         {
 798             *x = attr.x;
 799             *y = attr.y;
 800
 801             // We may be faking the client origin. So a window that's really at (0, 30)
 802             // may appear (to wxWin apps) to be at (0, 0).
 803             if (GetParent())
 804             {
 805                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 806                 *x -= pt.x;
 807                 *y -= pt.y;
 808             }
 809         }
 810     }
 811 }
 812
 813 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 814 {
 815     Display *display = wxGlobalDisplay();
 816     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 817     Window thisWindow = (Window) m_clientWindow;
 818
 819     Window childWindow;
 820     int xx = x ? *x : 0;
 821     int yy = y ? *y : 0;
 822     XTranslateCoordinates(display, rootWindow, thisWindow,
 823                           xx, yy, x ? x : &xx, y ? y : &yy,
 824                           &childWindow);
 825 }
 826
 827 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 828 {
 829     Display *display = wxGlobalDisplay();
 830     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 831     Window thisWindow = (Window) m_clientWindow;
 832
 833     Window childWindow;
 834     int xx = x ? *x : 0;
 835     int yy = y ? *y : 0;
 836     XTranslateCoordinates(display, thisWindow, rootWindow,
 837                           xx, yy, x ? x : &xx, y ? y : &yy,
 838                           &childWindow);
 839 }
 840
 841
 842 // Get size *available for subwindows* i.e. excluding menu bar etc.
 843 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 844 {
 845     Window window = (Window) m_mainWindow;
 846
 847     if (window)
 848     {
 849         XWindowAttributes attr;
 850         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 851         wxASSERT(status);
 852
 853         if (status)
 854         {
 855             *x = attr.width ;
 856             *y = attr.height ;
 857         }
 858     }
 859 }
 860
 861 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 862 {
 863     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 864
 865     Window xwindow = (Window) m_mainWindow;
 866
 867     wxCHECK_RET( xwindow, wxT("invalid window") );
 868
 869     XWindowAttributes attr;
 870     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 871     wxCHECK_RET( status, wxT("invalid window attributes") );
 872
 873     int new_x = attr.x;
 874     int new_y = attr.y;
 875     int new_w = attr.width;
 876     int new_h = attr.height;
 877
 878     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 879     {
 880         int yy = 0;
 881         AdjustForParentClientOrigin( x, yy, sizeFlags);
 882         new_x = x;
 883     }
 884     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 885     {
 886         int xx = 0;
 887         AdjustForParentClientOrigin( xx, y, sizeFlags);
 888         new_y = y;
 889     }
 890     if (width != wxDefaultCoord)
 891     {
 892         new_w = width;
 893         if (new_w <= 0)
 894             new_w = 20;
 895     }
 896     if (height != wxDefaultCoord)
 897     {
 898         new_h = height;
 899         if (new_h <= 0)
 900             new_h = 20;
 901     }
 902
 903     DoMoveWindow( new_x, new_y, new_w, new_h );
 904 }
 905
 906 void wxWindowX11::DoSetClientSize(int width, int height)
 907 {
 908     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 909
 910     Window xwindow = (Window) m_mainWindow;
 911
 912     wxCHECK_RET( xwindow, wxT("invalid window") );
 913
 914     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 915
 916     if (m_mainWindow != m_clientWindow)
 917     {
 918         xwindow = (Window) m_clientWindow;
 919
 920         wxWindow *window = (wxWindow*) this;
 921         wxRenderer *renderer = window->GetRenderer();
 922         if (renderer)
 923         {
 924             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 925             width -= border.x + border.width;
 926             height -= border.y + border.height;
 927         }
 928
 929         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 930     }
 931 }
 932
 933 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 934 {
 935     Window xwindow = (Window) m_mainWindow;
 936
 937     wxCHECK_RET( xwindow, wxT("invalid window") );
 938
 939 #if !wxUSE_NANOX
 940
 941     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 942     if (m_mainWindow != m_clientWindow)
 943     {
 944         xwindow = (Window) m_clientWindow;
 945
 946         wxWindow *window = (wxWindow*) this;
 947         wxRenderer *renderer = window->GetRenderer();
 948         if (renderer)
 949         {
 950             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 951             x = border.x;
 952             y = border.y;
 953             width -= border.x + border.width;
 954             height -= border.y + border.height;
 955         }
 956         else
 957         {
 958             x = 0;
 959             y = 0;
 960         }
 961
 962         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 963         if (sb && sb->IsShown())
 964         {
 965             wxSize size = sb->GetSize();
 966             height -= size.y;
 967         }
 968         sb = window->GetScrollbar( wxVERTICAL );
 969         if (sb && sb->IsShown())
 970         {
 971             wxSize size = sb->GetSize();
 972             width -= size.x;
 973         }
 974
 975         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 976     }
 977
 978 #else
 979
 980     XWindowChanges windowChanges;
 981     windowChanges.x = x;
 982     windowChanges.y = y;
 983     windowChanges.width = width;
 984     windowChanges.height = height;
 985     windowChanges.stack_mode = 0;
 986     int valueMask = CWX | CWY | CWWidth | CWHeight;
 987
 988     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 989
 990 #endif
 991 }
 992
 993 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 994 {
 995     m_minWidth = minW;
 996     m_minHeight = minH;
 997     m_maxWidth = maxW;
 998     m_maxHeight = maxH;
 999
1000 #if !wxUSE_NANOX
1001     XSizeHints sizeHints;
1002     sizeHints.flags = 0;
1003
1004     if (minW > -1 && minH > -1)
1005     {
1006         sizeHints.flags |= PMinSize;
1007         sizeHints.min_width = minW;
1008         sizeHints.min_height = minH;
1009     }
1010     if (maxW > -1 && maxH > -1)
1011     {
1012         sizeHints.flags |= PMaxSize;
1013         sizeHints.max_width = maxW;
1014         sizeHints.max_height = maxH;
1015     }
1016     if (incW > -1 && incH > -1)
1017     {
1018         sizeHints.flags |= PResizeInc;
1019         sizeHints.width_inc = incW;
1020         sizeHints.height_inc = incH;
1021     }
1022
1023     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1024 #endif
1025 }
1026
1027 // ---------------------------------------------------------------------------
1028 // text metrics
1029 // ---------------------------------------------------------------------------
1030
1031 int wxWindowX11::GetCharHeight() const
1032 {
1033     wxFont font(GetFont());
1034     wxCHECK_MSG( font.IsOk(), 0, wxT("valid window font needed") );
1035
1036 #if wxUSE_UNICODE
1037     // There should be an easier way.
1038     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1039     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1040     pango_layout_set_text(layout, "H", 1 );
1041     int w,h;
1042     pango_layout_get_pixel_size(layout, &w, &h);
1043     g_object_unref( G_OBJECT( layout ) );
1044
1045     return h;
1046 #else
1047     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1048
1049     int direction, ascent, descent;
1050     XCharStruct overall;
1051     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1052         &descent, &overall);
1053
1054     //  return (overall.ascent + overall.descent);
1055     return (ascent + descent);
1056 #endif
1057 }
1058
1059 int wxWindowX11::GetCharWidth() const
1060 {
1061     wxFont font(GetFont());
1062     wxCHECK_MSG( font.IsOk(), 0, wxT("valid window font needed") );
1063
1064 #if wxUSE_UNICODE
1065     // There should be an easier way.
1066     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1067     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1068     pango_layout_set_text(layout, "H", 1 );
1069     int w,h;
1070     pango_layout_get_pixel_size(layout, &w, &h);
1071     g_object_unref( G_OBJECT( layout ) );
1072
1073     return w;
1074 #else
1075     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1076
1077     int direction, ascent, descent;
1078     XCharStruct overall;
1079     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1080         &descent, &overall);
1081
1082     return overall.width;
1083 #endif
1084 }
1085
1086 void wxWindowX11::DoGetTextExtent(const wxString& string,
1087                                   int *x, int *y,
1088                                   int *descent,
1089                                   int *externalLeading,
1090                                   const wxFont *theFont) const
1091 {
1092     wxFont fontToUse = GetFont();
1093     if (theFont) fontToUse = *theFont;
1094
1095     wxCHECK_RET( fontToUse.IsOk(), wxT("invalid font") );
1096
1097     if (string.empty())
1098     {
1099         if (x) (*x) = 0;
1100         if (y) (*y) = 0;
1101         return;
1102     }
1103
1104 #if wxUSE_UNICODE
1105     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1106
1107     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1108     pango_layout_set_font_description(layout, desc);
1109
1110     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1111     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1112
1113     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1114
1115
1116     PangoRectangle rect;
1117     pango_layout_line_get_extents(line, NULL, &rect);
1118
1119     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1120     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1121     if (descent)
1122     {
1123         // Do something about metrics here
1124         (*descent) = 0;
1125     }
1126     if (externalLeading) (*externalLeading) = 0;  // ??
1127
1128     g_object_unref( G_OBJECT( layout ) );
1129 #else
1130     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1131
1132     int direction, ascent, descent2;
1133     XCharStruct overall;
1134     int slen = string.length();
1135
1136     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1137                  &direction, &ascent, &descent2, &overall);
1138
1139     if ( x )
1140         *x = (overall.width);
1141     if ( y )
1142         *y = (ascent + descent2);
1143     if (descent)
1144         *descent = descent2;
1145     if (externalLeading)
1146         *externalLeading = 0;
1147 #endif
1148 }
1149
1150 // ----------------------------------------------------------------------------
1151 // painting
1152 // ----------------------------------------------------------------------------
1153
1154 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1155 {
1156     if (eraseBack)
1157     {
1158         if (rect)
1159         {
1160             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1161             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1162         }
1163         else
1164         {
1165             int height,width;
1166             GetSize( &width, &height );
1167
1168             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1169             m_clearRegion.Clear();
1170             m_clearRegion.Union( 0, 0, width, height );
1171         }
1172     }
1173
1174     if (rect)
1175     {
1176          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1177          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1178     }
1179     else
1180     {
1181         int height,width;
1182         GetSize( &width, &height );
1183
1184         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1185         m_updateRegion.Clear();
1186         m_updateRegion.Union( 0, 0, width, height );
1187     }
1188 }
1189
1190 void wxWindowX11::Update()
1191 {
1192     if (m_updateNcArea)
1193     {
1194         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1195         // Send nc paint events.
1196         SendNcPaintEvents();
1197     }
1198
1199     if (!m_updateRegion.IsEmpty())
1200     {
1201         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1202         // Actually send erase events.
1203         SendEraseEvents();
1204
1205         // Actually send paint events.
1206         SendPaintEvents();
1207     }
1208 }
1209
1210 void wxWindowX11::SendEraseEvents()
1211 {
1212     if (m_clearRegion.IsEmpty()) return;
1213
1214     wxClientDC dc( (wxWindow*)this );
1215     dc.SetDeviceClippingRegion( m_clearRegion );
1216
1217     wxEraseEvent erase_event( GetId(), &dc );
1218     erase_event.SetEventObject( this );
1219
1220     if (!HandleWindowEvent(erase_event) )
1221     {
1222         Display *xdisplay = wxGlobalDisplay();
1223         Window xwindow = (Window) GetClientAreaWindow();
1224         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1225
1226         wxRegionIterator upd( m_clearRegion );
1227         while (upd)
1228         {
1229             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1230                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1231             upd ++;
1232         }
1233     }
1234
1235     m_clearRegion.Clear();
1236 }
1237
1238 void wxWindowX11::SendPaintEvents()
1239 {
1240     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1241
1242     m_clipPaintRegion = true;
1243
1244     wxPaintEvent paint_event( GetId() );
1245     paint_event.SetEventObject( this );
1246     HandleWindowEvent( paint_event );
1247
1248     m_updateRegion.Clear();
1249
1250     m_clipPaintRegion = false;
1251 }
1252
1253 void wxWindowX11::SendNcPaintEvents()
1254 {
1255     wxWindow *window = (wxWindow*) this;
1256
1257     // All this for drawing the small square between the scrollbars.
1258     int width = 0;
1259     int height = 0;
1260     int x = 0;
1261     int y = 0;
1262     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1263     if (sb && sb->IsShown())
1264     {
1265         height = sb->GetSize().y;
1266         y = sb->GetPosition().y;
1267
1268         sb = window->GetScrollbar( wxVERTICAL );
1269         if (sb && sb->IsShown())
1270         {
1271             width = sb->GetSize().x;
1272             x = sb->GetPosition().x;
1273
1274             Display *xdisplay = wxGlobalDisplay();
1275             Window xwindow = (Window) X11GetMainWindow();
1276             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1277             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1278             colour.CalcPixel( (WXColormap) cm );
1279
1280             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1281
1282             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1283         }
1284     }
1285
1286     wxNcPaintEvent nc_paint_event( GetId() );
1287     nc_paint_event.SetEventObject( this );
1288     HandleWindowEvent( nc_paint_event );
1289
1290     m_updateNcArea = false;
1291 }
1292
1293 // ----------------------------------------------------------------------------
1294 // event handlers
1295 // ----------------------------------------------------------------------------
1296
1297 // Responds to colour changes: passes event on to children.
1298 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1299 {
1300     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1301     while ( node )
1302     {
1303         // Only propagate to non-top-level windows
1304         wxWindow *win = node->GetData();
1305         if ( win->GetParent() )
1306         {
1307             wxSysColourChangedEvent event2;
1308             event.SetEventObject(win);
1309             win->HandleWindowEvent(event2);
1310         }
1311
1312         node = node->GetNext();
1313     }
1314 }
1315
1316 // See handler for InFocus case in app.cpp for details.
1317 wxWindow* g_GettingFocus = NULL;
1318
1319 void wxWindowX11::OnInternalIdle()
1320 {
1321     // Update invalidated regions.
1322     Update();
1323
1324     wxWindowBase::OnInternalIdle();
1325
1326     // Set the input focus if couldn't do it before
1327     if (m_needsInputFocus)
1328     {
1329 #if 0
1330         wxString msg;
1331         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1332         printf(msg.c_str());
1333 #endif
1334         SetFocus();
1335
1336         // If it couldn't set the focus now, there's
1337         // no point in trying again.
1338         m_needsInputFocus = false;
1339     }
1340     g_GettingFocus = NULL;
1341 }
1342
1343 // ----------------------------------------------------------------------------
1344 // function which maintain the global hash table mapping Widgets to wxWidgets
1345 // ----------------------------------------------------------------------------
1346
1347 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1348 {
1349     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1350     {
1351         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1352                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1353         return false;
1354     }
1355
1356     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1357                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1358
1359     return true;
1360 }
1361
1362 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1363 {
1364     wxWindowHash::iterator i = hash->find(w);
1365     return i == hash->end() ? NULL : i->second;
1366 }
1367
1368 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1369 {
1370     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1371
1372     hash->erase(w);
1373 }
1374
1375 // ----------------------------------------------------------------------------
1376 // public wrappers
1377 // ----------------------------------------------------------------------------
1378
1379 bool wxAddWindowToTable(Window w, wxWindow *win)
1380 {
1381     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1382 }
1383
1384 wxWindow *wxGetWindowFromTable(Window w)
1385 {
1386     return DoGetWindowFromTable(wxWidgetHashTable, w);
1387 }
1388
1389 void wxDeleteWindowFromTable(Window w)
1390 {
1391     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1392 }
1393
1394 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1395 {
1396     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1397 }
1398
1399 wxWindow *wxGetClientWindowFromTable(Window w)
1400 {
1401     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1402 }
1403
1404 void wxDeleteClientWindowFromTable(Window w)
1405 {
1406     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1407 }
1408
1409 // ----------------------------------------------------------------------------
1410 // X11-specific accessors
1411 // ----------------------------------------------------------------------------
1412
1413 WXWindow wxWindowX11::X11GetMainWindow() const
1414 {
1415     return m_mainWindow;
1416 }
1417
1418 WXWindow wxWindowX11::GetClientAreaWindow() const
1419 {
1420     return m_clientWindow;
1421 }
1422
1423 // ----------------------------------------------------------------------------
1424 // TranslateXXXEvent() functions
1425 // ----------------------------------------------------------------------------
1426
1427 bool wxTranslateMouseEvent(wxMouseEvent& wxevent,
1428                            wxWindow *win,
1429                            Window WXUNUSED(window),
1430                            XEvent *xevent)
1431 {
1432     switch (XEventGetType(xevent))
1433     {
1434         case EnterNotify:
1435         case LeaveNotify:
1436         case ButtonPress:
1437         case ButtonRelease:
1438         case MotionNotify:
1439         {
1440             wxEventType eventType = wxEVT_NULL;
1441
1442             if (XEventGetType(xevent) == EnterNotify)
1443             {
1444                 //if (local_event.xcrossing.mode!=NotifyNormal)
1445                 //  return ; // Ignore grab events
1446                 eventType = wxEVT_ENTER_WINDOW;
1447                 //            canvas->GetEventHandler()->OnSetFocus();
1448             }
1449             else if (XEventGetType(xevent) == LeaveNotify)
1450             {
1451                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1452                 //  return ; // Ignore grab events
1453                 eventType = wxEVT_LEAVE_WINDOW;
1454                 //            canvas->GetEventHandler()->OnKillFocus();
1455             }
1456             else if (XEventGetType(xevent) == MotionNotify)
1457             {
1458                 eventType = wxEVT_MOTION;
1459             }
1460             else if (XEventGetType(xevent) == ButtonPress)
1461             {
1462                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1463                 int button = 0;
1464                 if (XButtonEventLChanged(xevent))
1465                 {
1466                     eventType = wxEVT_LEFT_DOWN;
1467                     button = 1;
1468                 }
1469                 else if (XButtonEventMChanged(xevent))
1470                 {
1471                     eventType = wxEVT_MIDDLE_DOWN;
1472                     button = 2;
1473                 }
1474                 else if (XButtonEventRChanged(xevent))
1475                 {
1476                     eventType = wxEVT_RIGHT_DOWN;
1477                     button = 3;
1478                 }
1479                 else if ( xevent->xbutton.button == Button4 ||
1480                             xevent->xbutton.button == Button5 )
1481                 {
1482                     // this is the same value as used under wxMSW
1483                     static const int WHEEL_DELTA = 120;
1484
1485                     eventType = wxEVT_MOUSEWHEEL;
1486                     button = xevent->xbutton.button;
1487
1488                     wxevent.m_linesPerAction = 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 }