src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #include "wx/x11/private.h"
  48 #include "X11/Xutil.h"
  49
  50 #if wxUSE_NANOX
  51 // For wxGetLocalTime, used by XButtonEventGetTime
  52 #include "wx/timer.h"
  53 #endif
  54
  55 #include <string.h>
  56
  57 // ----------------------------------------------------------------------------
  58 // global variables for this module
  59 // ----------------------------------------------------------------------------
  60
  61 extern wxHashTable *wxWidgetHashTable;
  62 static wxWindow* g_captureWindow = NULL;
  63
  64 // ----------------------------------------------------------------------------
  65 // macros
  66 // ----------------------------------------------------------------------------
  67
  68 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  69 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  70 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  71
  72 // ----------------------------------------------------------------------------
  73 // event tables
  74 // ----------------------------------------------------------------------------
  75
  76 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  77
  78 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  79     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  80 END_EVENT_TABLE()
  81
  82 // ============================================================================
  83 // implementation
  84 // ============================================================================
  85
  86 // ----------------------------------------------------------------------------
  87 // helper functions
  88 // ----------------------------------------------------------------------------
  89
  90 // ----------------------------------------------------------------------------
  91 // constructors
  92 // ----------------------------------------------------------------------------
  93
  94 void wxWindowX11::Init()
  95 {
  96     // generic initializations first
  97     InitBase();
  98
  99     // X11-specific
 100     m_mainWidget = (WXWindow) 0;
 101     m_winCaptured = FALSE;
 102     m_needsInputFocus = FALSE;
 103     m_isShown = TRUE;
 104     m_isBeingDeleted = FALSE;
 105     m_lastTS = 0;
 106     m_lastButton = 0;
 107 }
 108
 109 // real construction (Init() must have been called before!)
 110 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 111                       const wxPoint& pos,
 112                       const wxSize& size,
 113                       long style,
 114                       const wxString& name)
 115 {
 116     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 117
 118     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 119
 120     parent->AddChild(this);
 121
 122     int w = size.GetWidth();
 123     int h = size.GetHeight();
 124     int x = size.GetX();
 125     int y = size.GetY();
 126     if (w == -1) w = 20;
 127     if (h == -1) h = 20;
 128     if (x == -1) x = 0;
 129     if (y == -1) y = 0;
 130
 131     Display *xdisplay = (Display*) wxGlobalDisplay();
 132     int xscreen = DefaultScreen( xdisplay );
 133     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 134     Colormap cm = DefaultColormap( xdisplay, xscreen );
 135
 136     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 137     m_backgroundColour.CalcPixel( (WXColormap) cm );
 138
 139     m_foregroundColour = *wxBLACK;
 140     m_foregroundColour.CalcPixel( (WXColormap) cm );
 141
 142     Window xparent = (Window) parent->GetMainWindow();
 143
 144 #if !wxUSE_NANOX
 145     XSetWindowAttributes xattributes;
 146
 147     long xattributes_mask =
 148         CWEventMask |
 149         CWBorderPixel | CWBackPixel;
 150
 151     xattributes.background_pixel = m_backgroundColour.GetPixel();
 152     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 153
 154     xattributes.event_mask =
 155         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 156         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 157         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 158         PropertyChangeMask;
 159 #endif
 160
 161     wxSize size2(size);
 162     if (size2.x == -1)
 163         size2.x = 20;
 164     if (size2.y == -1)
 165         size2.y = 20;
 166
 167     wxPoint pos2(pos);
 168     if (pos2.x == -1)
 169         pos2.x = 0;
 170     if (pos2.y == -1)
 171         pos2.y = 0;
 172
 173 #if wxUSE_NANOX
 174     int extraFlags = GR_EVENT_MASK_CLOSE_REQ;
 175
 176     long backColor, foreColor;
 177     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 178     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 179
 180     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 181                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 182     XSelectInput( xdisplay, xwindow,
 183         extraFlags | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 184         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 185         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 186         PropertyChangeMask );
 187
 188 #else
 189
 190     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 191        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 192
 193 #endif
 194
 195     m_mainWidget = (WXWindow) xwindow;
 196
 197     wxAddWindowToTable( xwindow, (wxWindow*) this );
 198
 199     // Is a subwindow, so map immediately
 200     m_isShown = TRUE;
 201     XMapWindow( xdisplay, xwindow );
 202
 203     // Without this, the cursor may not be restored properly (e.g. in splitter
 204     // sample).
 205     SetCursor(*wxSTANDARD_CURSOR);
 206     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 207
 208     // Set background to None which will prevent X11 from clearing the
 209     // background comletely.
 210     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 211
 212     // Don't call this, it can have nasty repercussions for composite controls,
 213     // for example
 214     //    SetSize(pos.x, pos.y, size.x, size.y);
 215
 216     return TRUE;
 217 }
 218
 219 // Destructor
 220 wxWindowX11::~wxWindowX11()
 221 {
 222     if (g_captureWindow == this)
 223         g_captureWindow = NULL;
 224
 225     m_isBeingDeleted = TRUE;
 226
 227     // X11-specific actions first
 228     Window xwindow = (Window) m_mainWidget;
 229
 230     if (m_parent)
 231         m_parent->RemoveChild( this );
 232
 233     DestroyChildren();
 234
 235     // Destroy the window
 236     if (xwindow)
 237     {
 238         XSelectInput( wxGlobalDisplay(), xwindow, NoEventMask);
 239         wxDeleteWindowFromTable( xwindow );
 240         XDestroyWindow( wxGlobalDisplay(), xwindow );
 241         m_mainWidget = NULL;
 242     }
 243 }
 244
 245 // ---------------------------------------------------------------------------
 246 // basic operations
 247 // ---------------------------------------------------------------------------
 248
 249 void wxWindowX11::SetFocus()
 250 {
 251     Window xwindow = (Window) GetMainWindow();
 252
 253     wxCHECK_RET( xwindow, wxT("invalid window") );
 254
 255     if (wxWindowIsVisible(xwindow))
 256     {
 257         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 258         m_needsInputFocus = FALSE;
 259     }
 260     else
 261     {
 262         m_needsInputFocus = TRUE;
 263     }
 264 }
 265
 266 // Get the window with the focus
 267 wxWindow *wxWindowBase::FindFocus()
 268 {
 269     Window xfocus = (Window) 0;
 270     int revert = 0;
 271
 272     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 273     if (xfocus)
 274     {
 275         wxWindow *win = wxGetWindowFromTable( xfocus );
 276
 277         return win;
 278     }
 279
 280     return NULL;
 281 }
 282
 283 wxWindow *wxWindowX11::GetFocusWidget()
 284 {
 285    wxWindow *win = (wxWindow*) this;
 286    while (!win->IsTopLevel())
 287    {
 288        win = win->GetParent();
 289        if (!win)
 290            return (wxWindow*) NULL;
 291    }
 292
 293    return win;
 294 }
 295
 296 // Enabling/disabling handled by event loop, and not sending events
 297 // if disabled.
 298 bool wxWindowX11::Enable(bool enable)
 299 {
 300     if ( !wxWindowBase::Enable(enable) )
 301         return FALSE;
 302
 303     return TRUE;
 304 }
 305
 306 bool wxWindowX11::Show(bool show)
 307 {
 308     wxWindowBase::Show(show);
 309
 310     Window xwin = (Window) GetXWindow();
 311     Display *xdisp = (Display*) GetXDisplay();
 312     if (show)
 313     {
 314         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 315         XMapWindow(xdisp, xwin);
 316         XSync(xdisp, False);
 317     }
 318     else
 319     {
 320         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 321         XUnmapWindow(xdisp, xwin);
 322     }
 323
 324     return TRUE;
 325 }
 326
 327 // Raise the window to the top of the Z order
 328 void wxWindowX11::Raise()
 329 {
 330     if (m_mainWidget)
 331         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 332 }
 333
 334 // Lower the window to the bottom of the Z order
 335 void wxWindowX11::Lower()
 336 {
 337     if (m_mainWidget)
 338         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 339 }
 340
 341 void wxWindowX11::DoCaptureMouse()
 342 {
 343     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 344     {
 345         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 346
 347         // Core dump now
 348         int *tmp = NULL;
 349         (*tmp) = 1;
 350         return;
 351     }
 352
 353     if (m_winCaptured)
 354         return;
 355
 356     Window xwindow = (Window) GetMainWindow();
 357
 358     wxCHECK_RET( xwindow, wxT("invalid window") );
 359
 360     g_captureWindow = (wxWindow*) this;
 361
 362     if (xwindow)
 363     {
 364         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 365             FALSE,
 366             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 367             GrabModeAsync,
 368                 GrabModeAsync,
 369             None,
 370             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 371             CurrentTime );
 372
 373         if (res != GrabSuccess)
 374         {
 375             wxString msg;
 376             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 377             wxLogDebug(msg);
 378             if (res == GrabNotViewable)
 379             {
 380                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 381             }
 382             g_captureWindow = NULL;
 383             return;
 384         }
 385
 386         // wxLogDebug("Grabbed pointer in %s", GetName().c_str() );
 387
 388 #if 0
 389         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 390             (Window) GetMainWindow(),
 391             FALSE,
 392             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 393                 GrabModeAsync,
 394                 GrabModeAsync,
 395             None,
 396             None);
 397
 398         if (res != GrabSuccess)
 399         {
 400             wxLogDebug("Failed to grab mouse buttons.");
 401             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 402             return;
 403         }
 404 #endif
 405
 406 #if 0
 407         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 408             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 409             FALSE,
 410             GrabModeAsync,
 411                 GrabModeAsync,
 412             CurrentTime);
 413
 414         if (res != GrabSuccess)
 415         {
 416             wxLogDebug("Failed to grab keyboard.");
 417             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 418             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 419                 (Window) GetMainWindow());
 420             return;
 421         }
 422 #endif
 423
 424         m_winCaptured = TRUE;
 425     }
 426 }
 427
 428 void wxWindowX11::DoReleaseMouse()
 429 {
 430     g_captureWindow = NULL;
 431
 432     if ( !m_winCaptured )
 433         return;
 434
 435     Window xwindow = (Window) GetMainWindow();
 436
 437     if (xwindow)
 438     {
 439         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 440 #if 0
 441         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 442         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 443 #endif
 444     }
 445
 446     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 447
 448     m_winCaptured = FALSE;
 449 }
 450
 451 bool wxWindowX11::SetFont(const wxFont& font)
 452 {
 453     if ( !wxWindowBase::SetFont(font) )
 454     {
 455         // nothing to do
 456         return FALSE;
 457     }
 458
 459     return TRUE;
 460 }
 461
 462 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 463 {
 464     if ( !wxWindowBase::SetCursor(cursor) )
 465     {
 466         // no change
 467         return FALSE;
 468     }
 469
 470     Window xwindow = (Window) GetMainWindow();
 471
 472     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 473
 474     wxCursor cursorToUse;
 475     if (m_cursor.Ok())
 476         cursorToUse = m_cursor;
 477     else
 478         cursorToUse = *wxSTANDARD_CURSOR;
 479
 480     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 481
 482     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 483
 484     return TRUE;
 485 }
 486
 487 // Coordinates relative to the window
 488 void wxWindowX11::WarpPointer (int x, int y)
 489 {
 490     Window xwindow = (Window) GetMainWindow();
 491
 492     wxCHECK_RET( xwindow, wxT("invalid window") );
 493
 494     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 495 }
 496
 497 // Does a physical scroll
 498 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 499 {
 500     // No scrolling requested.
 501     if ((dx == 0) && (dy == 0)) return;
 502
 503     if (!m_updateRegion.IsEmpty())
 504     {
 505         m_updateRegion.Offset( dx, dy );
 506
 507         int cw = 0;
 508         int ch = 0;
 509         GetSize( &cw, &ch );  // GetClientSize() ??
 510         m_updateRegion.Intersect( 0, 0, cw, ch );
 511     }
 512
 513     if (!m_clearRegion.IsEmpty())
 514     {
 515         m_clearRegion.Offset( dx, dy );
 516
 517         int cw = 0;
 518         int ch = 0;
 519         GetSize( &cw, &ch );  // GetClientSize() ??
 520         m_clearRegion.Intersect( 0, 0, cw, ch );
 521     }
 522
 523     Window xwindow = (Window) GetMainWindow();
 524
 525     wxCHECK_RET( xwindow, wxT("invalid window") );
 526
 527     Display *xdisplay = wxGlobalDisplay();
 528
 529     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 530     XSetGraphicsExposures( xdisplay, xgc, True );
 531
 532     int s_x = 0;
 533     int s_y = 0;
 534     int cw;
 535     int ch;
 536     if (rect)
 537     {
 538         s_x = rect->x;
 539         s_y = rect->y;
 540
 541         cw = rect->width;
 542         ch = rect->height;
 543     }
 544     else
 545     {
 546         s_x = 0;
 547         s_y = 0;
 548         GetClientSize( &cw, &ch );
 549     }
 550
 551     wxPoint offset = GetClientAreaOrigin();
 552     s_x += offset.x;
 553     s_y += offset.y;
 554
 555     int w = cw - abs(dx);
 556     int h = ch - abs(dy);
 557
 558     if ((h < 0) || (w < 0))
 559     {
 560         Refresh();
 561     }
 562     else
 563     {
 564         wxRect rect;
 565         if (dx < 0) rect.x = cw+dx; else rect.x = s_x;
 566         if (dy < 0) rect.y = ch+dy; else rect.y = s_y;
 567         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 568         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 569
 570         int d_x = s_x;
 571         int d_y = s_y;
 572
 573         if (dx < 0) s_x += -dx;
 574         if (dy < 0) s_y += -dy;
 575         if (dx > 0) d_x = dx + offset.x;
 576         if (dy > 0) d_y = dy + offset.y;
 577
 578         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 579
 580         // 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 );
 581
 582         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 583
 584         m_updateRegion.Union( rect );
 585         m_clearRegion.Union( rect );
 586     }
 587
 588     XFreeGC( xdisplay, xgc );
 589 }
 590
 591 // ---------------------------------------------------------------------------
 592 // drag and drop
 593 // ---------------------------------------------------------------------------
 594
 595 #if wxUSE_DRAG_AND_DROP
 596
 597 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 598 {
 599     // TODO
 600 }
 601
 602 #endif
 603
 604 // Old style file-manager drag&drop
 605 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 606 {
 607     // TODO
 608 }
 609
 610 // ----------------------------------------------------------------------------
 611 // tooltips
 612 // ----------------------------------------------------------------------------
 613
 614 #if wxUSE_TOOLTIPS
 615
 616 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 617 {
 618     // TODO
 619 }
 620
 621 #endif // wxUSE_TOOLTIPS
 622
 623 // ---------------------------------------------------------------------------
 624 // moving and resizing
 625 // ---------------------------------------------------------------------------
 626
 627 bool wxWindowX11::PreResize()
 628 {
 629     return TRUE;
 630 }
 631
 632 // Get total size
 633 void wxWindowX11::DoGetSize(int *x, int *y) const
 634 {
 635     Window xwindow = (Window) GetMainWindow();
 636
 637     wxCHECK_RET( xwindow, wxT("invalid window") );
 638
 639     XSync(wxGlobalDisplay(), False);
 640
 641     XWindowAttributes attr;
 642     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 643     wxASSERT(status);
 644
 645     if (status)
 646     {
 647         *x = attr.width /* + 2*m_borderSize */ ;
 648         *y = attr.height /* + 2*m_borderSize */ ;
 649     }
 650 }
 651
 652 void wxWindowX11::DoGetPosition(int *x, int *y) const
 653 {
 654     Window window = (Window) m_mainWidget;
 655     if (window)
 656     {
 657         XSync(wxGlobalDisplay(), False);
 658         XWindowAttributes attr;
 659         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 660         wxASSERT(status);
 661
 662         if (status)
 663         {
 664             *x = attr.x;
 665             *y = attr.y;
 666
 667             // We may be faking the client origin. So a window that's really at (0, 30)
 668             // may appear (to wxWin apps) to be at (0, 0).
 669             if (GetParent())
 670             {
 671                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 672                 *x -= pt.x;
 673                 *y -= pt.y;
 674             }
 675         }
 676     }
 677 }
 678
 679 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 680 {
 681     Display *display = wxGlobalDisplay();
 682     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 683     Window thisWindow = (Window) m_mainWidget;
 684
 685     Window childWindow;
 686     int xx = *x;
 687     int yy = *y;
 688     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 689 }
 690
 691 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 692 {
 693     Display *display = wxGlobalDisplay();
 694     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 695     Window thisWindow = (Window) m_mainWidget;
 696
 697     Window childWindow;
 698     int xx = *x;
 699     int yy = *y;
 700     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 701 }
 702
 703
 704 // Get size *available for subwindows* i.e. excluding menu bar etc.
 705 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 706 {
 707     Window window = (Window) m_mainWidget;
 708
 709     if (window)
 710     {
 711         XSync(wxGlobalDisplay(), False);  // Is this really a good idea?
 712         XWindowAttributes attr;
 713         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 714         wxASSERT(status);
 715
 716         if (status)
 717         {
 718             *x = attr.width ;
 719             *y = attr.height ;
 720         }
 721     }
 722 }
 723
 724 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 725 {
 726     Window xwindow = (Window) GetMainWindow();
 727
 728     wxCHECK_RET( xwindow, wxT("invalid window") );
 729
 730     XWindowAttributes attr;
 731     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 732     wxCHECK_RET( status, wxT("invalid window attributes") );
 733
 734     int new_x = attr.x;
 735     int new_y = attr.y;
 736     int new_w = attr.width;
 737     int new_h = attr.height;
 738
 739
 740     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 741     {
 742         int yy = 0;
 743         AdjustForParentClientOrigin( x, yy, sizeFlags);
 744         new_x = x;
 745     }
 746     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 747     {
 748         int xx = 0;
 749         AdjustForParentClientOrigin( xx, y, sizeFlags);
 750         new_y = y;
 751     }
 752     if (width != -1)
 753     {
 754         new_w = width;
 755         if (new_w <= 0)
 756             new_w = 20;
 757     }
 758     if (height != -1)
 759     {
 760         new_h = height;
 761         if (new_h <= 0)
 762             new_h = 20;
 763     }
 764
 765     DoMoveWindow( new_x, new_y, new_w, new_h );
 766 }
 767
 768 void wxWindowX11::DoSetClientSize(int width, int height)
 769 {
 770     Window xwindow = (Window) GetMainWindow();
 771
 772     wxCHECK_RET( xwindow, wxT("invalid window") );
 773
 774     XWindowAttributes attr;
 775     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 776     wxCHECK_RET( status, wxT("invalid window attributes") );
 777
 778     int new_x = attr.x;
 779     int new_y = attr.y;
 780     int new_w = attr.width;
 781     int new_h = attr.height;
 782
 783     if (width != -1)
 784         new_w = width;
 785
 786     if (height != -1)
 787         new_h = height;
 788
 789     DoMoveWindow( new_x, new_y, new_w, new_h );
 790 }
 791
 792 // For implementation purposes - sometimes decorations make the client area
 793 // smaller
 794 wxPoint wxWindowX11::GetClientAreaOrigin() const
 795 {
 796     return wxPoint(0, 0);
 797 }
 798
 799 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 800 {
 801     m_minWidth = minW;
 802     m_minHeight = minH;
 803     m_maxWidth = maxW;
 804     m_maxHeight = maxH;
 805
 806 #if !wxUSE_NANOX
 807     XSizeHints sizeHints;
 808     sizeHints.flags = 0;
 809
 810     if (minW > -1 && minH > -1)
 811     {
 812         sizeHints.flags |= PMinSize;
 813         sizeHints.min_width = minW;
 814         sizeHints.min_height = minH;
 815     }
 816     if (maxW > -1 && maxH > -1)
 817     {
 818         sizeHints.flags |= PMaxSize;
 819         sizeHints.max_width = maxW;
 820         sizeHints.max_height = maxH;
 821     }
 822     if (incW > -1 && incH > -1)
 823     {
 824         sizeHints.flags |= PResizeInc;
 825         sizeHints.width_inc = incW;
 826         sizeHints.height_inc = incH;
 827     }
 828
 829     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 830 #endif
 831 }
 832
 833 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 834 {
 835     Window xwindow = (Window) GetMainWindow();
 836
 837     wxCHECK_RET( xwindow, wxT("invalid window") );
 838
 839     XWindowChanges windowChanges;
 840     windowChanges.x = x;
 841     windowChanges.y = y;
 842     windowChanges.width = width;
 843     windowChanges.height = height;
 844     windowChanges.stack_mode = 0;
 845     int valueMask = CWX | CWY | CWWidth | CWHeight;
 846
 847     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 848 }
 849
 850 // ---------------------------------------------------------------------------
 851 // text metrics
 852 // ---------------------------------------------------------------------------
 853
 854 int wxWindowX11::GetCharHeight() const
 855 {
 856     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 857
 858     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 859
 860     int direction, ascent, descent;
 861     XCharStruct overall;
 862     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 863         &descent, &overall);
 864
 865     //  return (overall.ascent + overall.descent);
 866     return (ascent + descent);
 867 }
 868
 869 int wxWindowX11::GetCharWidth() const
 870 {
 871     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 872
 873     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 874
 875     int direction, ascent, descent;
 876     XCharStruct overall;
 877     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 878         &descent, &overall);
 879
 880     return overall.width;
 881 }
 882
 883 void wxWindowX11::GetTextExtent(const wxString& string,
 884                              int *x, int *y,
 885                              int *descent, int *externalLeading,
 886                              const wxFont *theFont) const
 887 {
 888     wxFont fontToUse = m_font;
 889     if (theFont) fontToUse = *theFont;
 890
 891     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 892
 893     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 894
 895     int direction, ascent, descent2;
 896     XCharStruct overall;
 897     int slen = string.Len();
 898
 899 #if 0
 900     if (use16)
 901         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 902         &ascent, &descent2, &overall);
 903 #endif
 904
 905     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
 906                  &direction, &ascent, &descent2, &overall);
 907
 908     if ( x )
 909         *x = (overall.width);
 910     if ( y )
 911         *y = (ascent + descent2);
 912     if (descent)
 913         *descent = descent2;
 914     if (externalLeading)
 915         *externalLeading = 0;
 916
 917 }
 918
 919 // ----------------------------------------------------------------------------
 920 // painting
 921 // ----------------------------------------------------------------------------
 922
 923 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 924 {
 925     if (eraseBack)
 926     {
 927         if (rect)
 928         {
 929             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 930             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 931         }
 932         else
 933         {
 934             int height,width;
 935             GetSize( &width, &height );
 936
 937             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 938             m_clearRegion.Clear();
 939             m_clearRegion.Union( 0, 0, width, height );
 940         }
 941     }
 942
 943     if (rect)
 944     {
 945          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 946          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 947     }
 948     else
 949     {
 950         int height,width;
 951         GetSize( &width, &height );
 952
 953         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 954         m_updateRegion.Clear();
 955         m_updateRegion.Union( 0, 0, width, height );
 956     }
 957 }
 958
 959 void wxWindowX11::Update()
 960 {
 961     if (!m_updateRegion.IsEmpty())
 962     {
 963         // Actually send erase events.
 964         SendEraseEvents();
 965
 966         // Actually send paint events.
 967         SendPaintEvents();
 968     }
 969 }
 970
 971 void wxWindowX11::Clear()
 972 {
 973     wxClientDC dc((wxWindow*) this);
 974     wxBrush brush(GetBackgroundColour(), wxSOLID);
 975     dc.SetBackground(brush);
 976     dc.Clear();
 977 }
 978
 979 void wxWindowX11::SendEraseEvents()
 980 {
 981     if (!m_clearRegion.IsEmpty())
 982     {
 983         m_clipPaintRegion = TRUE;
 984
 985         wxWindowDC dc( (wxWindow*)this );
 986         dc.SetClippingRegion( m_clearRegion );
 987
 988         wxEraseEvent erase_event( GetId(), &dc );
 989         erase_event.SetEventObject( this );
 990
 991         if (!GetEventHandler()->ProcessEvent(erase_event))
 992         {
 993             Window xwindow = (Window) GetMainWindow();
 994             Display *xdisplay = wxGlobalDisplay();
 995             GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 996             XSetFillStyle( xdisplay, xgc, FillSolid );
 997             XSetForeground( xdisplay, xgc, m_backgroundColour.GetPixel() );
 998             wxRegionIterator upd( m_clearRegion );
 999             while (upd)
1000             {
1001                 XFillRectangle( xdisplay, xwindow, xgc,
1002                                 upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1003                 upd ++;
1004             }
1005             XFreeGC( xdisplay, xgc );
1006         }
1007         m_clearRegion.Clear();
1008
1009         m_clipPaintRegion = FALSE;
1010     }
1011 }
1012
1013
1014 void wxWindowX11::SendPaintEvents()
1015 {
1016     m_clipPaintRegion = TRUE;
1017
1018     wxNcPaintEvent nc_paint_event( GetId() );
1019     nc_paint_event.SetEventObject( this );
1020     GetEventHandler()->ProcessEvent( nc_paint_event );
1021
1022     wxPaintEvent paint_event( GetId() );
1023     paint_event.SetEventObject( this );
1024     GetEventHandler()->ProcessEvent( paint_event );
1025
1026     m_updateRegion.Clear();
1027
1028     m_clipPaintRegion = FALSE;
1029 }
1030
1031 // ----------------------------------------------------------------------------
1032 // event handlers
1033 // ----------------------------------------------------------------------------
1034
1035 // Responds to colour changes: passes event on to children.
1036 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1037 {
1038     wxWindowList::Node *node = GetChildren().GetFirst();
1039     while ( node )
1040     {
1041         // Only propagate to non-top-level windows
1042         wxWindow *win = node->GetData();
1043         if ( win->GetParent() )
1044         {
1045             wxSysColourChangedEvent event2;
1046             event.m_eventObject = win;
1047             win->GetEventHandler()->ProcessEvent(event2);
1048         }
1049
1050         node = node->GetNext();
1051     }
1052 }
1053
1054 void wxWindowX11::OnInternalIdle()
1055 {
1056     // Update invalidated regions.
1057     Update();
1058
1059     // This calls the UI-update mechanism (querying windows for
1060     // menu/toolbar/control state information)
1061     UpdateWindowUI();
1062
1063     // Set the input focus if couldn't do it before
1064     if (m_needsInputFocus)
1065         SetFocus();
1066 }
1067
1068 // ----------------------------------------------------------------------------
1069 // function which maintain the global hash table mapping Widgets to wxWindows
1070 // ----------------------------------------------------------------------------
1071
1072 bool wxAddWindowToTable(Window w, wxWindow *win)
1073 {
1074     wxWindow *oldItem = NULL;
1075     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1076     {
1077         wxLogDebug("Widget table clash: new widget is %ld, %s",
1078                    (long)w, win->GetClassInfo()->GetClassName());
1079         return FALSE;
1080     }
1081
1082     wxWidgetHashTable->Put((long) w, win);
1083
1084     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1085                w, win, win->GetClassInfo()->GetClassName());
1086
1087     return TRUE;
1088 }
1089
1090 wxWindow *wxGetWindowFromTable(Window w)
1091 {
1092     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1093 }
1094
1095 void wxDeleteWindowFromTable(Window w)
1096 {
1097     wxWidgetHashTable->Delete((long)w);
1098 }
1099
1100 // ----------------------------------------------------------------------------
1101 // add/remove window from the table
1102 // ----------------------------------------------------------------------------
1103
1104 // ----------------------------------------------------------------------------
1105 // X11-specific accessors
1106 // ----------------------------------------------------------------------------
1107
1108 // Get the underlying X window
1109 WXWindow wxWindowX11::GetXWindow() const
1110 {
1111     return GetMainWindow();
1112 }
1113
1114 // Get the underlying X display
1115 WXDisplay *wxWindowX11::GetXDisplay() const
1116 {
1117     return wxGetDisplay();
1118 }
1119
1120 WXWindow wxWindowX11::GetMainWindow() const
1121 {
1122     return m_mainWidget;
1123 }
1124
1125 // ----------------------------------------------------------------------------
1126 // TranslateXXXEvent() functions
1127 // ----------------------------------------------------------------------------
1128
1129 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1130 {
1131     switch (XEventGetType(xevent))
1132     {
1133         case EnterNotify:
1134         case LeaveNotify:
1135         case ButtonPress:
1136         case ButtonRelease:
1137         case MotionNotify:
1138         {
1139             wxEventType eventType = wxEVT_NULL;
1140
1141             if (XEventGetType(xevent) == EnterNotify)
1142             {
1143                 //if (local_event.xcrossing.mode!=NotifyNormal)
1144                 //  return ; // Ignore grab events
1145                 eventType = wxEVT_ENTER_WINDOW;
1146                 //            canvas->GetEventHandler()->OnSetFocus();
1147             }
1148             else if (XEventGetType(xevent) == LeaveNotify)
1149             {
1150                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1151                 //  return ; // Ignore grab events
1152                 eventType = wxEVT_LEAVE_WINDOW;
1153                 //            canvas->GetEventHandler()->OnKillFocus();
1154             }
1155             else if (XEventGetType(xevent) == MotionNotify)
1156             {
1157                 eventType = wxEVT_MOTION;
1158             }
1159             else if (XEventGetType(xevent) == ButtonPress)
1160             {
1161                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1162                 int button = 0;
1163                 if (XButtonEventLChanged(xevent))
1164                 {
1165                     eventType = wxEVT_LEFT_DOWN;
1166                     button = 1;
1167                 }
1168                 else if (XButtonEventMChanged(xevent))
1169                 {
1170                     eventType = wxEVT_MIDDLE_DOWN;
1171                     button = 2;
1172                 }
1173                 else if (XButtonEventRChanged(xevent))
1174                 {
1175                     eventType = wxEVT_RIGHT_DOWN;
1176                     button = 3;
1177                 }
1178
1179                 // check for a double click
1180                 // TODO: where can we get this value from?
1181                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1182                 long dclickTime = 200;
1183                 long ts = wxevent.GetTimestamp();
1184
1185                 int buttonLast = win->GetLastClickedButton();
1186                 long lastTS = win->GetLastClickTime();
1187                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1188                 {
1189                     // I have a dclick
1190                     win->SetLastClick(0, ts);
1191                     if ( eventType == wxEVT_LEFT_DOWN )
1192                         eventType = wxEVT_LEFT_DCLICK;
1193                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1194                         eventType = wxEVT_MIDDLE_DCLICK;
1195                     else if ( eventType == wxEVT_RIGHT_DOWN )
1196                         eventType = wxEVT_RIGHT_DCLICK;
1197                 }
1198                 else
1199                 {
1200                     // not fast enough or different button
1201                     win->SetLastClick(button, ts);
1202                 }
1203             }
1204             else if (XEventGetType(xevent) == ButtonRelease)
1205             {
1206                 if (XButtonEventLChanged(xevent))
1207                 {
1208                     eventType = wxEVT_LEFT_UP;
1209                 }
1210                 else if (XButtonEventMChanged(xevent))
1211                 {
1212                     eventType = wxEVT_MIDDLE_UP;
1213                 }
1214                 else if (XButtonEventRChanged(xevent))
1215                 {
1216                     eventType = wxEVT_RIGHT_UP;
1217                 }
1218                 else return FALSE;
1219             }
1220             else
1221             {
1222                 return FALSE;
1223             }
1224
1225             wxevent.SetEventType(eventType);
1226
1227             wxevent.m_x = XButtonEventGetX(xevent);
1228             wxevent.m_y = XButtonEventGetY(xevent);
1229
1230             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1231                 || (XButtonEventLIsDown(xevent)
1232                 && (eventType != wxEVT_LEFT_UP)));
1233             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1234                 || (XButtonEventMIsDown(xevent)
1235                 && (eventType != wxEVT_MIDDLE_UP)));
1236             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1237                 || (XButtonEventRIsDown (xevent)
1238                 && (eventType != wxEVT_RIGHT_UP)));
1239
1240             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1241             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1242             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1243             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1244
1245             wxevent.SetId(win->GetId());
1246             wxevent.SetEventObject(win);
1247
1248             return TRUE;
1249         }
1250     }
1251     return FALSE;
1252 }
1253
1254 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1255 {
1256     switch (XEventGetType(xevent))
1257     {
1258     case KeyPress:
1259     case KeyRelease:
1260         {
1261             char buf[20];
1262
1263             KeySym keySym;
1264             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1265             int id = wxCharCodeXToWX (keySym);
1266
1267             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1268             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1269             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1270             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1271             wxevent.SetEventObject(win);
1272             wxevent.m_keyCode = id;
1273             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1274
1275             wxevent.m_x = XKeyEventGetX(xevent);
1276             wxevent.m_y = XKeyEventGetY(xevent);
1277
1278             if (id > -1)
1279                 return TRUE;
1280             else
1281                 return FALSE;
1282             break;
1283         }
1284     default:
1285         break;
1286     }
1287     return FALSE;
1288 }
1289
1290 // ----------------------------------------------------------------------------
1291 // Colour stuff
1292 // ----------------------------------------------------------------------------
1293
1294 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1295 {
1296     wxWindowBase::SetBackgroundColour(col);
1297
1298     Display *xdisplay = (Display*) wxGlobalDisplay();
1299     int xscreen = DefaultScreen( xdisplay );
1300     Colormap cm = DefaultColormap( xdisplay, xscreen );
1301
1302     m_backgroundColour.CalcPixel( (WXColormap) cm );
1303
1304     if (!GetMainWindow())
1305         return FALSE;
1306
1307 /*
1308     XSetWindowAttributes attrib;
1309     attrib.background_pixel = colour.GetPixel();
1310
1311     XChangeWindowAttributes(wxGlobalDisplay(),
1312         (Window) GetMainWindow(),
1313         CWBackPixel,
1314         & attrib);
1315 */
1316
1317     return TRUE;
1318 }
1319
1320 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1321 {
1322     if ( !wxWindowBase::SetForegroundColour(col) )
1323         return FALSE;
1324
1325     return TRUE;
1326 }
1327
1328 // ----------------------------------------------------------------------------
1329 // global functions
1330 // ----------------------------------------------------------------------------
1331
1332 wxWindow *wxGetActiveWindow()
1333 {
1334     // TODO
1335     wxFAIL_MSG("Not implemented");
1336     return NULL;
1337 }
1338
1339 /* static */
1340 wxWindow *wxWindowBase::GetCapture()
1341 {
1342     return (wxWindow *)g_captureWindow;
1343 }
1344
1345
1346 // Find the wxWindow at the current mouse position, returning the mouse
1347 // position.
1348 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1349 {
1350     return wxFindWindowAtPoint(wxGetMousePosition());
1351 }
1352
1353 // Get the current mouse position.
1354 wxPoint wxGetMousePosition()
1355 {
1356 #if wxUSE_NANOX
1357     /* TODO */
1358     return wxPoint(0, 0);
1359 #else
1360     Display *display = wxGlobalDisplay();
1361     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1362     Window rootReturn, childReturn;
1363     int rootX, rootY, winX, winY;
1364     unsigned int maskReturn;
1365
1366     XQueryPointer (display,
1367                    rootWindow,
1368                    &rootReturn,
1369                    &childReturn,
1370                    &rootX, &rootY, &winX, &winY, &maskReturn);
1371     return wxPoint(rootX, rootY);
1372 #endif
1373 }
1374
1375
1376 // ----------------------------------------------------------------------------
1377 // wxNoOptimize: switch off size optimization
1378 // ----------------------------------------------------------------------------
1379
1380 int wxNoOptimize::ms_count = 0;
1381