src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/scrolbar.h"
  40 #include "wx/module.h"
  41 #include "wx/menuitem.h"
  42 #include "wx/log.h"
  43 #include "wx/fontutil.h"
  44 #include "wx/univ/renderer.h"
  45 #include "wx/hash.h"
  46
  47 #if  wxUSE_DRAG_AND_DROP
  48     #include "wx/dnd.h"
  49 #endif
  50
  51 #include "wx/x11/private.h"
  52 #include "X11/Xutil.h"
  53
  54 #if wxUSE_NANOX
  55 // For wxGetLocalTime, used by XButtonEventGetTime
  56 #include "wx/timer.h"
  57 #endif
  58
  59 #include <string.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // global variables for this module
  63 // ----------------------------------------------------------------------------
  64
  65 static wxWindow* g_captureWindow = NULL;
  66 static GC g_eraseGC;
  67
  68 // ----------------------------------------------------------------------------
  69 // macros
  70 // ----------------------------------------------------------------------------
  71
  72 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  73 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  74 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  75
  76 // ----------------------------------------------------------------------------
  77 // event tables
  78 // ----------------------------------------------------------------------------
  79
  80 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  81
  82 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  83     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  84 END_EVENT_TABLE()
  85
  86 // ============================================================================
  87 // implementation
  88 // ============================================================================
  89
  90 // ----------------------------------------------------------------------------
  91 // helper functions
  92 // ----------------------------------------------------------------------------
  93
  94 // ----------------------------------------------------------------------------
  95 // constructors
  96 // ----------------------------------------------------------------------------
  97
  98 void wxWindowX11::Init()
  99 {
 100     // X11-specific
 101     m_mainWindow = (WXWindow) 0;
 102     m_clientWindow = (WXWindow) 0;
 103     m_insertIntoMain = FALSE;
 104     m_updateNcArea = FALSE;
 105
 106     m_winCaptured = FALSE;
 107     m_needsInputFocus = FALSE;
 108     m_isShown = TRUE;
 109     m_lastTS = 0;
 110     m_lastButton = 0;
 111 }
 112
 113 // real construction (Init() must have been called before!)
 114 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 115                       const wxPoint& pos,
 116                       const wxSize& size,
 117                       long style,
 118                       const wxString& name)
 119 {
 120     wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );
 121
 122     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 123
 124     parent->AddChild(this);
 125
 126     Display *xdisplay = (Display*) wxGlobalDisplay();
 127     int xscreen = DefaultScreen( xdisplay );
 128     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 129     Colormap cm = DefaultColormap( xdisplay, xscreen );
 130
 131     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 132     m_backgroundColour.CalcPixel( (WXColormap) cm );
 133
 134     m_foregroundColour = *wxBLACK;
 135     m_foregroundColour.CalcPixel( (WXColormap) cm );
 136
 137     Window xparent = (Window) parent->GetClientAreaWindow();
 138
 139     // Add window's own scrollbars to main window, not to client window
 140     if (parent->GetInsertIntoMain())
 141     {
 142         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 143         xparent = (Window) parent->GetMainWindow();
 144     }
 145
 146     // Size (not including the border) must be nonzero (or a Value error results)!
 147     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 148     wxSize size2(size);
 149     if (size2.x <= 0)
 150         size2.x = 20;
 151     if (size2.y <= 0)
 152         size2.y = 20;
 153
 154     wxPoint pos2(pos);
 155     if (pos2.x == -1)
 156         pos2.x = 0;
 157     if (pos2.y == -1)
 158         pos2.y = 0;
 159
 160 #if wxUSE_TWO_WINDOWS
 161     bool need_two_windows =
 162         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 163 #else
 164     bool need_two_windows = FALSE;
 165 #endif
 166
 167 #if wxUSE_NANOX
 168     long xattributes = 0;
 169 #else
 170     XSetWindowAttributes xattributes;
 171     long xattributes_mask = 0;
 172
 173     xattributes_mask |= CWBackPixel;
 174     xattributes.background_pixel = m_backgroundColour.GetPixel();
 175
 176     xattributes_mask |= CWBorderPixel;
 177     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 178
 179     xattributes_mask |= CWEventMask;
 180 #endif
 181
 182     if (need_two_windows)
 183     {
 184 #if wxUSE_NANOX
 185         long backColor, foreColor;
 186         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 187         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 188
 189         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 190                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 191         XSelectInput( xdisplay, xwindow,
 192           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 193           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 194           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 195                       PropertyChangeMask );
 196
 197 #else
 198         // Normal X11
 199         xattributes.event_mask =
 200             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 201
 202         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 203             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 204
 205 #endif
 206
 207         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 208
 209         m_mainWindow = (WXWindow) xwindow;
 210         wxAddWindowToTable( xwindow, (wxWindow*) this );
 211
 212         XMapWindow( xdisplay, xwindow );
 213
 214 #if !wxUSE_NANOX
 215         xattributes.event_mask =
 216             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 217             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 218             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 219             PropertyChangeMask | VisibilityChangeMask ;
 220
 221         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 222         {
 223             xattributes_mask |= CWBitGravity;
 224             xattributes.bit_gravity = StaticGravity;
 225         }
 226 #endif
 227
 228         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 229         {
 230             pos2.x = 2;
 231             pos2.y = 2;
 232             size2.x -= 4;
 233             size2.y -= 4;
 234         }
 235         else if (HasFlag( wxSIMPLE_BORDER ))
 236         {
 237             pos2.x = 1;
 238             pos2.y = 1;
 239             size2.x -= 2;
 240             size2.y -= 2;
 241         }
 242         else
 243         {
 244             pos2.x = 0;
 245             pos2.y = 0;
 246         }
 247
 248         // Make again sure the size is nonzero.
 249         if (size2.x <= 0)
 250             size2.x = 1;
 251         if (size2.y <= 0)
 252             size2.y = 1;
 253
 254 #if wxUSE_NANOX
 255         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 256         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 257
 258         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 259                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 260         XSelectInput( xdisplay, xwindow,
 261           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 262           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 263           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 264                       PropertyChangeMask );
 265
 266 #else
 267         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 268             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 269 #endif
 270
 271         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 272
 273         m_clientWindow = (WXWindow) xwindow;
 274         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 275
 276         XMapWindow( xdisplay, xwindow );
 277     }
 278     else
 279     {
 280         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 281 #if wxUSE_NANOX
 282         long backColor, foreColor;
 283         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 284         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 285
 286         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 287                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 288         XSelectInput( xdisplay, xwindow,
 289           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 290           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 291           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 292                       PropertyChangeMask );
 293
 294 #else
 295         xattributes.event_mask =
 296             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 297             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 298             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 299             PropertyChangeMask | VisibilityChangeMask ;
 300
 301         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 302         {
 303             xattributes_mask |= CWBitGravity;
 304             xattributes.bit_gravity = NorthWestGravity;
 305         }
 306
 307         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 308             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 309 #endif
 310
 311         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 312
 313         m_mainWindow = (WXWindow) xwindow;
 314         m_clientWindow = m_mainWindow;
 315         wxAddWindowToTable( xwindow, (wxWindow*) this );
 316
 317         XMapWindow( xdisplay, xwindow );
 318     }
 319
 320     // Is a subwindow, so map immediately
 321     m_isShown = TRUE;
 322
 323     // Without this, the cursor may not be restored properly (e.g. in splitter
 324     // sample).
 325     SetCursor(*wxSTANDARD_CURSOR);
 326     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 327
 328     // Don't call this, it can have nasty repercussions for composite controls,
 329     // for example
 330     //    SetSize(pos.x, pos.y, size.x, size.y);
 331
 332     return TRUE;
 333 }
 334
 335 // Destructor
 336 wxWindowX11::~wxWindowX11()
 337 {
 338     SendDestroyEvent();
 339
 340     if (g_captureWindow == this)
 341         g_captureWindow = NULL;
 342
 343     m_isBeingDeleted = TRUE;
 344
 345     DestroyChildren();
 346
 347     if (m_clientWindow != m_mainWindow)
 348     {
 349         // Destroy the cleint window
 350         Window xwindow = (Window) m_clientWindow;
 351         wxDeleteClientWindowFromTable( xwindow );
 352         XDestroyWindow( wxGlobalDisplay(), xwindow );
 353         m_clientWindow = NULL;
 354     }
 355
 356     // Destroy the window
 357     Window xwindow = (Window) m_mainWindow;
 358     wxDeleteWindowFromTable( xwindow );
 359     XDestroyWindow( wxGlobalDisplay(), xwindow );
 360     m_mainWindow = NULL;
 361 }
 362
 363 // ---------------------------------------------------------------------------
 364 // basic operations
 365 // ---------------------------------------------------------------------------
 366
 367 void wxWindowX11::SetFocus()
 368 {
 369     Window xwindow = (Window) m_clientWindow;
 370
 371     wxCHECK_RET( xwindow, wxT("invalid window") );
 372
 373     // Don't assert; we might be trying to set the focus for a panel
 374     // with only static controls, so the panel returns false from AcceptsFocus.
 375     // The app should be not be expected to deal with this.
 376     if (!AcceptsFocus())
 377         return;
 378
 379 #if 0
 380     if (GetName() == "scrollBar")
 381     {
 382         char *crash = NULL;
 383         *crash = 0;
 384     }
 385 #endif
 386
 387     if (wxWindowIsVisible(xwindow))
 388     {
 389         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 390         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 391         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 392         m_needsInputFocus = FALSE;
 393     }
 394     else
 395     {
 396         m_needsInputFocus = TRUE;
 397     }
 398 }
 399
 400 // Get the window with the focus
 401 wxWindow *wxWindowBase::DoFindFocus()
 402 {
 403     Window xfocus = (Window) 0;
 404     int revert = 0;
 405
 406     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 407     if (xfocus)
 408     {
 409         wxWindow *win = wxGetWindowFromTable( xfocus );
 410         if (!win)
 411         {
 412             win = wxGetClientWindowFromTable( xfocus );
 413         }
 414
 415         return win;
 416     }
 417
 418     return NULL;
 419 }
 420
 421 // Enabling/disabling handled by event loop, and not sending events
 422 // if disabled.
 423 bool wxWindowX11::Enable(bool enable)
 424 {
 425     if ( !wxWindowBase::Enable(enable) )
 426         return FALSE;
 427
 428     return TRUE;
 429 }
 430
 431 bool wxWindowX11::Show(bool show)
 432 {
 433     wxWindowBase::Show(show);
 434
 435     Window xwindow = (Window) m_mainWindow;
 436     Display *xdisp = wxGlobalDisplay();
 437     if (show)
 438     {
 439         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 440         XMapWindow(xdisp, xwindow);
 441     }
 442     else
 443     {
 444         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 445         XUnmapWindow(xdisp, xwindow);
 446     }
 447
 448     return TRUE;
 449 }
 450
 451 // Raise the window to the top of the Z order
 452 void wxWindowX11::Raise()
 453 {
 454     if (m_mainWindow)
 455         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 456 }
 457
 458 // Lower the window to the bottom of the Z order
 459 void wxWindowX11::Lower()
 460 {
 461     if (m_mainWindow)
 462         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 463 }
 464
 465 void wxWindowX11::DoCaptureMouse()
 466 {
 467     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 468     {
 469         wxASSERT_MSG(FALSE, wxT("Trying to capture before mouse released."));
 470
 471         // Core dump now
 472         int *tmp = NULL;
 473         (*tmp) = 1;
 474         return;
 475     }
 476
 477     if (m_winCaptured)
 478         return;
 479
 480     Window xwindow = (Window) m_clientWindow;
 481
 482     wxCHECK_RET( xwindow, wxT("invalid window") );
 483
 484     g_captureWindow = (wxWindow*) this;
 485
 486     if (xwindow)
 487     {
 488         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 489             FALSE,
 490             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 491             GrabModeAsync,
 492             GrabModeAsync,
 493             None,
 494             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 495             CurrentTime );
 496
 497         if (res != GrabSuccess)
 498         {
 499             wxString msg;
 500             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 501             wxLogDebug(msg);
 502             if (res == GrabNotViewable)
 503                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 504
 505             g_captureWindow = NULL;
 506             return;
 507         }
 508
 509         m_winCaptured = TRUE;
 510     }
 511 }
 512
 513 void wxWindowX11::DoReleaseMouse()
 514 {
 515     g_captureWindow = NULL;
 516
 517     if ( !m_winCaptured )
 518         return;
 519
 520     Window xwindow = (Window) m_clientWindow;
 521
 522     if (xwindow)
 523     {
 524         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 525     }
 526
 527     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 528
 529     m_winCaptured = FALSE;
 530 }
 531
 532 bool wxWindowX11::SetFont(const wxFont& font)
 533 {
 534     if ( !wxWindowBase::SetFont(font) )
 535     {
 536         // nothing to do
 537         return FALSE;
 538     }
 539
 540     return TRUE;
 541 }
 542
 543 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 544 {
 545     if ( !wxWindowBase::SetCursor(cursor) )
 546     {
 547         // no change
 548         return FALSE;
 549     }
 550
 551     Window xwindow = (Window) m_clientWindow;
 552
 553     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 554
 555     wxCursor cursorToUse;
 556     if (m_cursor.Ok())
 557         cursorToUse = m_cursor;
 558     else
 559         cursorToUse = *wxSTANDARD_CURSOR;
 560
 561     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 562
 563     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 564
 565     return TRUE;
 566 }
 567
 568 // Coordinates relative to the window
 569 void wxWindowX11::WarpPointer (int x, int y)
 570 {
 571     Window xwindow = (Window) m_clientWindow;
 572
 573     wxCHECK_RET( xwindow, wxT("invalid window") );
 574
 575     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 576 }
 577
 578 // Does a physical scroll
 579 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 580 {
 581     // No scrolling requested.
 582     if ((dx == 0) && (dy == 0)) return;
 583
 584     if (!m_updateRegion.IsEmpty())
 585     {
 586         m_updateRegion.Offset( dx, dy );
 587
 588         int cw = 0;
 589         int ch = 0;
 590         GetSize( &cw, &ch );  // GetClientSize() ??
 591         m_updateRegion.Intersect( 0, 0, cw, ch );
 592     }
 593
 594     if (!m_clearRegion.IsEmpty())
 595     {
 596         m_clearRegion.Offset( dx, dy );
 597
 598         int cw = 0;
 599         int ch = 0;
 600         GetSize( &cw, &ch );  // GetClientSize() ??
 601         m_clearRegion.Intersect( 0, 0, cw, ch );
 602     }
 603
 604     Window xwindow = (Window) GetClientAreaWindow();
 605
 606     wxCHECK_RET( xwindow, wxT("invalid window") );
 607
 608     Display *xdisplay = wxGlobalDisplay();
 609
 610     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 611     XSetGraphicsExposures( xdisplay, xgc, True );
 612
 613     int s_x = 0;
 614     int s_y = 0;
 615     int cw;
 616     int ch;
 617     if (rect)
 618     {
 619         s_x = rect->x;
 620         s_y = rect->y;
 621
 622         cw = rect->width;
 623         ch = rect->height;
 624     }
 625     else
 626     {
 627         s_x = 0;
 628         s_y = 0;
 629         GetClientSize( &cw, &ch );
 630     }
 631
 632 #if wxUSE_TWO_WINDOWS
 633     wxPoint offset( 0,0 );
 634 #else
 635     wxPoint offset = GetClientAreaOrigin();
 636     s_x += offset.x;
 637     s_y += offset.y;
 638 #endif
 639
 640     int w = cw - abs(dx);
 641     int h = ch - abs(dy);
 642
 643     if ((h < 0) || (w < 0))
 644     {
 645         Refresh();
 646     }
 647     else
 648     {
 649         wxRect rect;
 650         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 651         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 652         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 653         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 654
 655         int d_x = s_x;
 656         int d_y = s_y;
 657
 658         if (dx < 0) s_x += -dx;
 659         if (dy < 0) s_y += -dy;
 660         if (dx > 0) d_x = dx + offset.x;
 661         if (dy > 0) d_y = dy + offset.y;
 662
 663         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 664
 665         // 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 );
 666
 667         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 668
 669         m_updateRegion.Union( rect );
 670         m_clearRegion.Union( rect );
 671     }
 672
 673     XFreeGC( xdisplay, xgc );
 674
 675     // Move Clients, but not the scrollbars
 676     // FIXME: There may be a better method to move a lot of Windows within X11
 677     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 678     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 679     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 680     while ( node )
 681     {
 682         // Only propagate to non-top-level windows
 683         wxWindow *win = node->GetData();
 684         if ( win->GetParent() && win != sbH && win != sbV )
 685         {
 686             wxPoint pos = win->GetPosition();
 687             // Add the delta to the old Position
 688             pos.x += dx;
 689             pos.y += dy;
 690             win->SetPosition(pos);
 691         }
 692         node = node->GetNext();
 693     }
 694 }
 695
 696 // ---------------------------------------------------------------------------
 697 // drag and drop
 698 // ---------------------------------------------------------------------------
 699
 700 #if wxUSE_DRAG_AND_DROP
 701
 702 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 703 {
 704     // TODO
 705 }
 706
 707 #endif
 708
 709 // Old style file-manager drag&drop
 710 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 711 {
 712     // TODO
 713 }
 714
 715 // ----------------------------------------------------------------------------
 716 // tooltips
 717 // ----------------------------------------------------------------------------
 718
 719 #if wxUSE_TOOLTIPS
 720
 721 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 722 {
 723     // TODO
 724 }
 725
 726 #endif // wxUSE_TOOLTIPS
 727
 728 // ---------------------------------------------------------------------------
 729 // moving and resizing
 730 // ---------------------------------------------------------------------------
 731
 732 bool wxWindowX11::PreResize()
 733 {
 734     return TRUE;
 735 }
 736
 737 // Get total size
 738 void wxWindowX11::DoGetSize(int *x, int *y) const
 739 {
 740     Window xwindow = (Window) m_mainWindow;
 741
 742     wxCHECK_RET( xwindow, wxT("invalid window") );
 743
 744     //XSync(wxGlobalDisplay(), False);
 745
 746     XWindowAttributes attr;
 747     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 748     wxASSERT(status);
 749
 750     if (status)
 751     {
 752         *x = attr.width /* + 2*m_borderSize */ ;
 753         *y = attr.height /* + 2*m_borderSize */ ;
 754     }
 755 }
 756
 757 void wxWindowX11::DoGetPosition(int *x, int *y) const
 758 {
 759     Window window = (Window) m_mainWindow;
 760     if (window)
 761     {
 762         //XSync(wxGlobalDisplay(), False);
 763         XWindowAttributes attr;
 764         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 765         wxASSERT(status);
 766
 767         if (status)
 768         {
 769             *x = attr.x;
 770             *y = attr.y;
 771
 772             // We may be faking the client origin. So a window that's really at (0, 30)
 773             // may appear (to wxWin apps) to be at (0, 0).
 774             if (GetParent())
 775             {
 776                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 777                 *x -= pt.x;
 778                 *y -= pt.y;
 779             }
 780         }
 781     }
 782 }
 783
 784 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 785 {
 786     Display *display = wxGlobalDisplay();
 787     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 788     Window thisWindow = (Window) m_clientWindow;
 789
 790     Window childWindow;
 791     int xx = *x;
 792     int yy = *y;
 793     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 794 }
 795
 796 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 797 {
 798     Display *display = wxGlobalDisplay();
 799     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 800     Window thisWindow = (Window) m_clientWindow;
 801
 802     Window childWindow;
 803     int xx = *x;
 804     int yy = *y;
 805     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 806 }
 807
 808
 809 // Get size *available for subwindows* i.e. excluding menu bar etc.
 810 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 811 {
 812     Window window = (Window) m_mainWindow;
 813
 814     if (window)
 815     {
 816         XWindowAttributes attr;
 817         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 818         wxASSERT(status);
 819
 820         if (status)
 821         {
 822             *x = attr.width ;
 823             *y = attr.height ;
 824         }
 825     }
 826 }
 827
 828 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 829 {
 830     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 831
 832     Window xwindow = (Window) m_mainWindow;
 833
 834     wxCHECK_RET( xwindow, wxT("invalid window") );
 835
 836     XWindowAttributes attr;
 837     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 838     wxCHECK_RET( status, wxT("invalid window attributes") );
 839
 840     int new_x = attr.x;
 841     int new_y = attr.y;
 842     int new_w = attr.width;
 843     int new_h = attr.height;
 844
 845     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 846     {
 847         int yy = 0;
 848         AdjustForParentClientOrigin( x, yy, sizeFlags);
 849         new_x = x;
 850     }
 851     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 852     {
 853         int xx = 0;
 854         AdjustForParentClientOrigin( xx, y, sizeFlags);
 855         new_y = y;
 856     }
 857     if (width != -1)
 858     {
 859         new_w = width;
 860         if (new_w <= 0)
 861             new_w = 20;
 862     }
 863     if (height != -1)
 864     {
 865         new_h = height;
 866         if (new_h <= 0)
 867             new_h = 20;
 868     }
 869
 870     DoMoveWindow( new_x, new_y, new_w, new_h );
 871 }
 872
 873 void wxWindowX11::DoSetClientSize(int width, int height)
 874 {
 875     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 876
 877     Window xwindow = (Window) m_mainWindow;
 878
 879     wxCHECK_RET( xwindow, wxT("invalid window") );
 880
 881     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 882
 883     if (m_mainWindow != m_clientWindow)
 884     {
 885         xwindow = (Window) m_clientWindow;
 886
 887         wxWindow *window = (wxWindow*) this;
 888         wxRenderer *renderer = window->GetRenderer();
 889         if (renderer)
 890         {
 891             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 892             width -= border.x + border.width;
 893             height -= border.y + border.height;
 894         }
 895
 896         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 897     }
 898 }
 899
 900 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 901 {
 902     Window xwindow = (Window) m_mainWindow;
 903
 904     wxCHECK_RET( xwindow, wxT("invalid window") );
 905
 906 #if !wxUSE_NANOX
 907
 908     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 909     if (m_mainWindow != m_clientWindow)
 910     {
 911         xwindow = (Window) m_clientWindow;
 912
 913         wxWindow *window = (wxWindow*) this;
 914         wxRenderer *renderer = window->GetRenderer();
 915         if (renderer)
 916         {
 917             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 918             x = border.x;
 919             y = border.y;
 920             width -= border.x + border.width;
 921             height -= border.y + border.height;
 922         }
 923         else
 924         {
 925             x = 0;
 926             y = 0;
 927         }
 928
 929         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 930         if (sb && sb->IsShown())
 931         {
 932             wxSize size = sb->GetSize();
 933             height -= size.y;
 934         }
 935         sb = window->GetScrollbar( wxVERTICAL );
 936         if (sb && sb->IsShown())
 937         {
 938             wxSize size = sb->GetSize();
 939             width -= size.x;
 940         }
 941
 942         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 943     }
 944
 945 #else
 946
 947     XWindowChanges windowChanges;
 948     windowChanges.x = x;
 949     windowChanges.y = y;
 950     windowChanges.width = width;
 951     windowChanges.height = height;
 952     windowChanges.stack_mode = 0;
 953     int valueMask = CWX | CWY | CWWidth | CWHeight;
 954
 955     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 956
 957 #endif
 958 }
 959
 960 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 961 {
 962     m_minWidth = minW;
 963     m_minHeight = minH;
 964     m_maxWidth = maxW;
 965     m_maxHeight = maxH;
 966
 967 #if !wxUSE_NANOX
 968     XSizeHints sizeHints;
 969     sizeHints.flags = 0;
 970
 971     if (minW > -1 && minH > -1)
 972     {
 973         sizeHints.flags |= PMinSize;
 974         sizeHints.min_width = minW;
 975         sizeHints.min_height = minH;
 976     }
 977     if (maxW > -1 && maxH > -1)
 978     {
 979         sizeHints.flags |= PMaxSize;
 980         sizeHints.max_width = maxW;
 981         sizeHints.max_height = maxH;
 982     }
 983     if (incW > -1 && incH > -1)
 984     {
 985         sizeHints.flags |= PResizeInc;
 986         sizeHints.width_inc = incW;
 987         sizeHints.height_inc = incH;
 988     }
 989
 990     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
 991 #endif
 992 }
 993
 994 // ---------------------------------------------------------------------------
 995 // text metrics
 996 // ---------------------------------------------------------------------------
 997
 998 int wxWindowX11::GetCharHeight() const
 999 {
1000     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
1001
1002 #if wxUSE_UNICODE
1003     // There should be an easier way.
1004     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1005     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1006     pango_layout_set_text(layout, "H", 1 );
1007     int w,h;
1008     pango_layout_get_pixel_size(layout, &w, &h);
1009     g_object_unref( G_OBJECT( layout ) );
1010
1011     return h;
1012 #else
1013     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1014
1015     int direction, ascent, descent;
1016     XCharStruct overall;
1017     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1018         &descent, &overall);
1019
1020     //  return (overall.ascent + overall.descent);
1021     return (ascent + descent);
1022 #endif
1023 }
1024
1025 int wxWindowX11::GetCharWidth() const
1026 {
1027     wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );
1028
1029 #if wxUSE_UNICODE
1030     // There should be an easier way.
1031     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1032     pango_layout_set_font_description( layout, GetFont().GetNativeFontInfo()->description );
1033     pango_layout_set_text(layout, "H", 1 );
1034     int w,h;
1035     pango_layout_get_pixel_size(layout, &w, &h);
1036     g_object_unref( G_OBJECT( layout ) );
1037
1038     return w;
1039 #else
1040     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, wxGlobalDisplay());
1041
1042     int direction, ascent, descent;
1043     XCharStruct overall;
1044     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1045         &descent, &overall);
1046
1047     return overall.width;
1048 #endif
1049 }
1050
1051 void wxWindowX11::GetTextExtent(const wxString& string,
1052                              int *x, int *y,
1053                              int *descent, int *externalLeading,
1054                              const wxFont *theFont) const
1055 {
1056     wxFont fontToUse = m_font;
1057     if (theFont) fontToUse = *theFont;
1058
1059     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1060
1061     if (string.IsEmpty())
1062     {
1063         if (x) (*x) = 0;
1064         if (y) (*y) = 0;
1065         return;
1066     }
1067
1068 #if wxUSE_UNICODE
1069     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1070
1071     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1072     pango_layout_set_font_description(layout, desc);
1073
1074     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1075     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1076
1077     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1078
1079
1080     PangoRectangle rect;
1081     pango_layout_line_get_extents(line, NULL, &rect);
1082
1083     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1084     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1085     if (descent)
1086     {
1087         // Do something about metrics here
1088         (*descent) = 0;
1089     }
1090     if (externalLeading) (*externalLeading) = 0;  // ??
1091
1092     g_object_unref( G_OBJECT( layout ) );
1093 #else
1094     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1095
1096     int direction, ascent, descent2;
1097     XCharStruct overall;
1098     int slen = string.Len();
1099
1100     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1101                  &direction, &ascent, &descent2, &overall);
1102
1103     if ( x )
1104         *x = (overall.width);
1105     if ( y )
1106         *y = (ascent + descent2);
1107     if (descent)
1108         *descent = descent2;
1109     if (externalLeading)
1110         *externalLeading = 0;
1111 #endif
1112 }
1113
1114 // ----------------------------------------------------------------------------
1115 // painting
1116 // ----------------------------------------------------------------------------
1117
1118 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1119 {
1120     if (eraseBack)
1121     {
1122         if (rect)
1123         {
1124             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1125             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1126         }
1127         else
1128         {
1129             int height,width;
1130             GetSize( &width, &height );
1131
1132             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1133             m_clearRegion.Clear();
1134             m_clearRegion.Union( 0, 0, width, height );
1135         }
1136     }
1137
1138     if (rect)
1139     {
1140          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1141          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1142     }
1143     else
1144     {
1145         int height,width;
1146         GetSize( &width, &height );
1147
1148         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1149         m_updateRegion.Clear();
1150         m_updateRegion.Union( 0, 0, width, height );
1151     }
1152 }
1153
1154 void wxWindowX11::Update()
1155 {
1156     if (m_updateNcArea)
1157     {
1158         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1159         // Send nc paint events.
1160         SendNcPaintEvents();
1161     }
1162
1163     if (!m_updateRegion.IsEmpty())
1164     {
1165         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1166         // Actually send erase events.
1167         SendEraseEvents();
1168
1169         // Actually send paint events.
1170         SendPaintEvents();
1171     }
1172 }
1173
1174 void wxWindowX11::SendEraseEvents()
1175 {
1176     if (m_clearRegion.IsEmpty()) return;
1177
1178     wxClientDC dc( (wxWindow*)this );
1179     dc.SetClippingRegion( m_clearRegion );
1180
1181     wxEraseEvent erase_event( GetId(), &dc );
1182     erase_event.SetEventObject( this );
1183
1184     if (!GetEventHandler()->ProcessEvent(erase_event) )
1185     {
1186         Display *xdisplay = wxGlobalDisplay();
1187         Window xwindow = (Window) GetClientAreaWindow();
1188         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1189
1190         wxRegionIterator upd( m_clearRegion );
1191         while (upd)
1192         {
1193             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1194                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1195             upd ++;
1196         }
1197     }
1198
1199     m_clearRegion.Clear();
1200 }
1201
1202 void wxWindowX11::SendPaintEvents()
1203 {
1204     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1205
1206     m_clipPaintRegion = TRUE;
1207
1208     wxPaintEvent paint_event( GetId() );
1209     paint_event.SetEventObject( this );
1210     GetEventHandler()->ProcessEvent( paint_event );
1211
1212     m_updateRegion.Clear();
1213
1214     m_clipPaintRegion = FALSE;
1215 }
1216
1217 void wxWindowX11::SendNcPaintEvents()
1218 {
1219     wxWindow *window = (wxWindow*) this;
1220
1221     // All this for drawing the small square between the scrollbars.
1222     int width = 0;
1223     int height = 0;
1224     int x = 0;
1225     int y = 0;
1226     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1227     if (sb && sb->IsShown())
1228     {
1229         height = sb->GetSize().y;
1230         y = sb->GetPosition().y;
1231
1232         sb = window->GetScrollbar( wxVERTICAL );
1233         if (sb && sb->IsShown())
1234         {
1235             width = sb->GetSize().x;
1236             x = sb->GetPosition().x;
1237
1238             Display *xdisplay = wxGlobalDisplay();
1239             Window xwindow = (Window) GetMainWindow();
1240             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1241             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1242             colour.CalcPixel( (WXColormap) cm );
1243
1244             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1245
1246             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1247         }
1248     }
1249
1250     wxNcPaintEvent nc_paint_event( GetId() );
1251     nc_paint_event.SetEventObject( this );
1252     GetEventHandler()->ProcessEvent( nc_paint_event );
1253
1254     m_updateNcArea = FALSE;
1255 }
1256
1257 // ----------------------------------------------------------------------------
1258 // event handlers
1259 // ----------------------------------------------------------------------------
1260
1261 // Responds to colour changes: passes event on to children.
1262 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1263 {
1264     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1265     while ( node )
1266     {
1267         // Only propagate to non-top-level windows
1268         wxWindow *win = node->GetData();
1269         if ( win->GetParent() )
1270         {
1271             wxSysColourChangedEvent event2;
1272             event.SetEventObject(win);
1273             win->GetEventHandler()->ProcessEvent(event2);
1274         }
1275
1276         node = node->GetNext();
1277     }
1278 }
1279
1280 // See handler for InFocus case in app.cpp for details.
1281 wxWindow* g_GettingFocus = NULL;
1282
1283 void wxWindowX11::OnInternalIdle()
1284 {
1285     // Update invalidated regions.
1286     Update();
1287
1288     // This calls the UI-update mechanism (querying windows for
1289     // menu/toolbar/control state information)
1290     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1291         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1292
1293     // Set the input focus if couldn't do it before
1294     if (m_needsInputFocus)
1295     {
1296 #if 0
1297         wxString msg;
1298         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1299         printf(msg.c_str());
1300 #endif
1301         SetFocus();
1302
1303         // If it couldn't set the focus now, there's
1304         // no point in trying again.
1305         m_needsInputFocus = FALSE;
1306     }
1307     g_GettingFocus = NULL;
1308 }
1309
1310 // ----------------------------------------------------------------------------
1311 // function which maintain the global hash table mapping Widgets to wxWidgets
1312 // ----------------------------------------------------------------------------
1313
1314 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1315 {
1316     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1317     {
1318         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1319                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1320         return FALSE;
1321     }
1322
1323     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1324                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1325
1326     return TRUE;
1327 }
1328
1329 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1330 {
1331     wxWindowHash::iterator i = hash->find(w);
1332     return i == hash->end() ? NULL : i->second;
1333 }
1334
1335 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1336 {
1337     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1338
1339     hash->erase(w);
1340 }
1341
1342 // ----------------------------------------------------------------------------
1343 // public wrappers
1344 // ----------------------------------------------------------------------------
1345
1346 bool wxAddWindowToTable(Window w, wxWindow *win)
1347 {
1348     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1349 }
1350
1351 wxWindow *wxGetWindowFromTable(Window w)
1352 {
1353     return DoGetWindowFromTable(wxWidgetHashTable, w);
1354 }
1355
1356 void wxDeleteWindowFromTable(Window w)
1357 {
1358     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1359 }
1360
1361 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1362 {
1363     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1364 }
1365
1366 wxWindow *wxGetClientWindowFromTable(Window w)
1367 {
1368     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1369 }
1370
1371 void wxDeleteClientWindowFromTable(Window w)
1372 {
1373     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1374 }
1375
1376 // ----------------------------------------------------------------------------
1377 // X11-specific accessors
1378 // ----------------------------------------------------------------------------
1379
1380 WXWindow wxWindowX11::GetMainWindow() const
1381 {
1382     return m_mainWindow;
1383 }
1384
1385 WXWindow wxWindowX11::GetClientAreaWindow() const
1386 {
1387     return m_clientWindow;
1388 }
1389
1390 // ----------------------------------------------------------------------------
1391 // TranslateXXXEvent() functions
1392 // ----------------------------------------------------------------------------
1393
1394 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1395 {
1396     switch (XEventGetType(xevent))
1397     {
1398         case EnterNotify:
1399         case LeaveNotify:
1400         case ButtonPress:
1401         case ButtonRelease:
1402         case MotionNotify:
1403         {
1404             wxEventType eventType = wxEVT_NULL;
1405
1406             if (XEventGetType(xevent) == EnterNotify)
1407             {
1408                 //if (local_event.xcrossing.mode!=NotifyNormal)
1409                 //  return ; // Ignore grab events
1410                 eventType = wxEVT_ENTER_WINDOW;
1411                 //            canvas->GetEventHandler()->OnSetFocus();
1412             }
1413             else if (XEventGetType(xevent) == LeaveNotify)
1414             {
1415                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1416                 //  return ; // Ignore grab events
1417                 eventType = wxEVT_LEAVE_WINDOW;
1418                 //            canvas->GetEventHandler()->OnKillFocus();
1419             }
1420             else if (XEventGetType(xevent) == MotionNotify)
1421             {
1422                 eventType = wxEVT_MOTION;
1423             }
1424             else if (XEventGetType(xevent) == ButtonPress)
1425             {
1426                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1427                 int button = 0;
1428                 if (XButtonEventLChanged(xevent))
1429                 {
1430                     eventType = wxEVT_LEFT_DOWN;
1431                     button = 1;
1432                 }
1433                 else if (XButtonEventMChanged(xevent))
1434                 {
1435                     eventType = wxEVT_MIDDLE_DOWN;
1436                     button = 2;
1437                 }
1438                 else if (XButtonEventRChanged(xevent))
1439                 {
1440                     eventType = wxEVT_RIGHT_DOWN;
1441                     button = 3;
1442                 }
1443
1444                 // check for a double click
1445                 // TODO: where can we get this value from?
1446                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1447                 long dclickTime = 200;
1448                 long ts = wxevent.GetTimestamp();
1449
1450                 int buttonLast = win->GetLastClickedButton();
1451                 long lastTS = win->GetLastClickTime();
1452                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1453                 {
1454                     // I have a dclick
1455                     win->SetLastClick(0, ts);
1456                     if ( eventType == wxEVT_LEFT_DOWN )
1457                         eventType = wxEVT_LEFT_DCLICK;
1458                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1459                         eventType = wxEVT_MIDDLE_DCLICK;
1460                     else if ( eventType == wxEVT_RIGHT_DOWN )
1461                         eventType = wxEVT_RIGHT_DCLICK;
1462                 }
1463                 else
1464                 {
1465                     // not fast enough or different button
1466                     win->SetLastClick(button, ts);
1467                 }
1468             }
1469             else if (XEventGetType(xevent) == ButtonRelease)
1470             {
1471                 if (XButtonEventLChanged(xevent))
1472                 {
1473                     eventType = wxEVT_LEFT_UP;
1474                 }
1475                 else if (XButtonEventMChanged(xevent))
1476                 {
1477                     eventType = wxEVT_MIDDLE_UP;
1478                 }
1479                 else if (XButtonEventRChanged(xevent))
1480                 {
1481                     eventType = wxEVT_RIGHT_UP;
1482                 }
1483                 else return FALSE;
1484             }
1485             else
1486             {
1487                 return FALSE;
1488             }
1489
1490             wxevent.SetEventType(eventType);
1491
1492             wxevent.m_x = XButtonEventGetX(xevent);
1493             wxevent.m_y = XButtonEventGetY(xevent);
1494
1495             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1496                 || (XButtonEventLIsDown(xevent)
1497                 && (eventType != wxEVT_LEFT_UP)));
1498             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1499                 || (XButtonEventMIsDown(xevent)
1500                 && (eventType != wxEVT_MIDDLE_UP)));
1501             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1502                 || (XButtonEventRIsDown (xevent)
1503                 && (eventType != wxEVT_RIGHT_UP)));
1504
1505             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1506             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1507             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1508             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1509
1510             wxevent.SetId(win->GetId());
1511             wxevent.SetEventObject(win);
1512
1513             return TRUE;
1514         }
1515     }
1516     return FALSE;
1517 }
1518
1519 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1520 {
1521     switch (XEventGetType(xevent))
1522     {
1523     case KeyPress:
1524     case KeyRelease:
1525         {
1526             char buf[20];
1527
1528             KeySym keySym;
1529             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1530             int id = wxCharCodeXToWX (keySym);
1531             // id may be WXK_xxx code - these are outside ASCII range, so we
1532             // can't just use toupper() on id.
1533             // Only change this if we want the raw key that was pressed,
1534             // and don't change it if we want an ASCII value.
1535             if (!isAscii && (id >= 'a' && id <= 'z'))
1536             {
1537                 id = id + 'A' - 'a';
1538             }
1539
1540             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1541             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1542             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1543             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1544             wxevent.SetEventObject(win);
1545             wxevent.m_keyCode = id;
1546             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1547
1548             wxevent.m_x = XKeyEventGetX(xevent);
1549             wxevent.m_y = XKeyEventGetY(xevent);
1550
1551             return id > -1;
1552         }
1553     default:
1554         break;
1555     }
1556     return FALSE;
1557 }
1558
1559 // ----------------------------------------------------------------------------
1560 // Colour stuff
1561 // ----------------------------------------------------------------------------
1562
1563 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1564 {
1565     wxWindowBase::SetBackgroundColour(col);
1566
1567     Display *xdisplay = (Display*) wxGlobalDisplay();
1568     int xscreen = DefaultScreen( xdisplay );
1569     Colormap cm = DefaultColormap( xdisplay, xscreen );
1570
1571     m_backgroundColour.CalcPixel( (WXColormap) cm );
1572
1573     // We don't set the background colour as we paint
1574     // the background ourselves.
1575     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1576
1577     return TRUE;
1578 }
1579
1580 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1581 {
1582     if ( !wxWindowBase::SetForegroundColour(col) )
1583         return FALSE;
1584
1585     return TRUE;
1586 }
1587
1588 // ----------------------------------------------------------------------------
1589 // global functions
1590 // ----------------------------------------------------------------------------
1591
1592 wxWindow *wxGetActiveWindow()
1593 {
1594     // TODO
1595     wxFAIL_MSG(wxT("Not implemented"));
1596     return NULL;
1597 }
1598
1599 /* static */
1600 wxWindow *wxWindowBase::GetCapture()
1601 {
1602     return (wxWindow *)g_captureWindow;
1603 }
1604
1605
1606 // Find the wxWindow at the current mouse position, returning the mouse
1607 // position.
1608 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1609 {
1610     return wxFindWindowAtPoint(wxGetMousePosition());
1611 }
1612
1613 // Get the current mouse position.
1614 wxPoint wxGetMousePosition()
1615 {
1616 #if wxUSE_NANOX
1617     /* TODO */
1618     return wxPoint(0, 0);
1619 #else
1620     Display *display = wxGlobalDisplay();
1621     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1622     Window rootReturn, childReturn;
1623     int rootX, rootY, winX, winY;
1624     unsigned int maskReturn;
1625
1626     XQueryPointer (display,
1627                    rootWindow,
1628                    &rootReturn,
1629                    &childReturn,
1630                    &rootX, &rootY, &winX, &winY, &maskReturn);
1631     return wxPoint(rootX, rootY);
1632 #endif
1633 }
1634
1635
1636 // ----------------------------------------------------------------------------
1637 // wxNoOptimize: switch off size optimization
1638 // ----------------------------------------------------------------------------
1639
1640 int wxNoOptimize::ms_count = 0;
1641
1642
1643 // ----------------------------------------------------------------------------
1644 // wxDCModule
1645 // ----------------------------------------------------------------------------
1646
1647 class wxWinModule : public wxModule
1648 {
1649 public:
1650     bool OnInit();
1651     void OnExit();
1652
1653 private:
1654     DECLARE_DYNAMIC_CLASS(wxWinModule)
1655 };
1656
1657 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1658
1659 bool wxWinModule::OnInit()
1660 {
1661     Display *xdisplay = wxGlobalDisplay();
1662     int xscreen = DefaultScreen( xdisplay );
1663     Window xroot = RootWindow( xdisplay, xscreen );
1664     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1665     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1666
1667     return TRUE;
1668 }
1669
1670 void wxWinModule::OnExit()
1671 {
1672     Display *xdisplay = wxGlobalDisplay();
1673     XFreeGC( xdisplay, g_eraseGC );
1674 }
1675
1676