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     wxSize size2(size);
 145     if (size2.x == -1)
 146         size2.x = 20;
 147     if (size2.y == -1)
 148         size2.y = 20;
 149
 150     wxPoint pos2(pos);
 151     if (pos2.x == -1)
 152         pos2.x = 0;
 153     if (pos2.y == -1)
 154         pos2.y = 0;
 155
 156 #if !wxUSE_NANOX
 157     XSetWindowAttributes xattributes;
 158
 159     long xattributes_mask =
 160         CWBorderPixel | CWBackPixel;
 161
 162     xattributes.background_pixel = m_backgroundColour.GetPixel();
 163     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 164
 165     xattributes_mask |= CWEventMask;
 166     xattributes.event_mask =
 167         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 168         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 169         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 170         PropertyChangeMask | VisibilityChangeMask ;
 171
 172     if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
 173     {
 174         xattributes_mask |= CWBitGravity;
 175         xattributes.bit_gravity = StaticGravity;
 176     }
 177
 178     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 179        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 180 #else
 181
 182     int extraFlags = GR_EVENT_MASK_CLOSE_REQ;
 183
 184     long backColor, foreColor;
 185     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 186     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 187
 188     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 189                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 190     XSelectInput( xdisplay, xwindow,
 191         extraFlags | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 192         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 193         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 194         PropertyChangeMask );
 195 #endif
 196
 197     m_mainWidget = (WXWindow) xwindow;
 198
 199     wxAddWindowToTable( xwindow, (wxWindow*) this );
 200
 201     // Is a subwindow, so map immediately
 202     m_isShown = TRUE;
 203     XMapWindow( xdisplay, xwindow );
 204
 205     // Without this, the cursor may not be restored properly (e.g. in splitter
 206     // sample).
 207     SetCursor(*wxSTANDARD_CURSOR);
 208     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 209
 210     // Set background to None which will prevent X11 from clearing the
 211     // background comletely.
 212     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 213
 214     // Don't call this, it can have nasty repercussions for composite controls,
 215     // for example
 216     //    SetSize(pos.x, pos.y, size.x, size.y);
 217
 218     return TRUE;
 219 }
 220
 221 // Destructor
 222 wxWindowX11::~wxWindowX11()
 223 {
 224     if (g_captureWindow == this)
 225         g_captureWindow = NULL;
 226
 227     m_isBeingDeleted = TRUE;
 228
 229     // X11-specific actions first
 230     Window xwindow = (Window) m_mainWidget;
 231
 232     if (m_parent)
 233         m_parent->RemoveChild( this );
 234
 235     DestroyChildren();
 236
 237     // Destroy the window
 238     if (xwindow)
 239     {
 240         XSelectInput( wxGlobalDisplay(), xwindow, NoEventMask);
 241         wxDeleteWindowFromTable( xwindow );
 242         XDestroyWindow( wxGlobalDisplay(), xwindow );
 243         m_mainWidget = NULL;
 244     }
 245 }
 246
 247 // ---------------------------------------------------------------------------
 248 // basic operations
 249 // ---------------------------------------------------------------------------
 250
 251 void wxWindowX11::SetFocus()
 252 {
 253     Window xwindow = (Window) GetMainWindow();
 254
 255     wxCHECK_RET( xwindow, wxT("invalid window") );
 256
 257     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 258
 259 #if 0
 260     if (GetName() == "scrollBar")
 261     {
 262         char *crash = NULL;
 263         *crash = 0;
 264     }
 265 #endif
 266
 267     if (wxWindowIsVisible(xwindow))
 268     {
 269         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 270         m_needsInputFocus = FALSE;
 271     }
 272     else
 273     {
 274         m_needsInputFocus = TRUE;
 275     }
 276 }
 277
 278 // Get the window with the focus
 279 wxWindow *wxWindowBase::FindFocus()
 280 {
 281     Window xfocus = (Window) 0;
 282     int revert = 0;
 283
 284     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 285     if (xfocus)
 286     {
 287         wxWindow *win = wxGetWindowFromTable( xfocus );
 288
 289         return win;
 290     }
 291
 292     return NULL;
 293 }
 294
 295 wxWindow *wxWindowX11::GetFocusWidget()
 296 {
 297    wxWindow *win = (wxWindow*) this;
 298    while (!win->IsTopLevel())
 299    {
 300        win = win->GetParent();
 301        if (!win)
 302            return (wxWindow*) NULL;
 303    }
 304
 305    return win;
 306 }
 307
 308 // Enabling/disabling handled by event loop, and not sending events
 309 // if disabled.
 310 bool wxWindowX11::Enable(bool enable)
 311 {
 312     if ( !wxWindowBase::Enable(enable) )
 313         return FALSE;
 314
 315     return TRUE;
 316 }
 317
 318 bool wxWindowX11::Show(bool show)
 319 {
 320     wxWindowBase::Show(show);
 321
 322     Window xwin = (Window) GetXWindow();
 323     Display *xdisp = (Display*) GetXDisplay();
 324     if (show)
 325     {
 326         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 327         XMapWindow(xdisp, xwin);
 328         XSync(xdisp, False);
 329     }
 330     else
 331     {
 332         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 333         XUnmapWindow(xdisp, xwin);
 334     }
 335
 336     return TRUE;
 337 }
 338
 339 // Raise the window to the top of the Z order
 340 void wxWindowX11::Raise()
 341 {
 342     if (m_mainWidget)
 343         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 344 }
 345
 346 // Lower the window to the bottom of the Z order
 347 void wxWindowX11::Lower()
 348 {
 349     if (m_mainWidget)
 350         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 351 }
 352
 353 void wxWindowX11::DoCaptureMouse()
 354 {
 355     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 356     {
 357         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 358
 359         // Core dump now
 360         int *tmp = NULL;
 361         (*tmp) = 1;
 362         return;
 363     }
 364
 365     if (m_winCaptured)
 366         return;
 367
 368     Window xwindow = (Window) GetMainWindow();
 369
 370     wxCHECK_RET( xwindow, wxT("invalid window") );
 371
 372     g_captureWindow = (wxWindow*) this;
 373
 374     if (xwindow)
 375     {
 376         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 377             FALSE,
 378             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 379             GrabModeAsync,
 380                 GrabModeAsync,
 381             None,
 382             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 383             CurrentTime );
 384
 385         if (res != GrabSuccess)
 386         {
 387             wxString msg;
 388             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 389             wxLogDebug(msg);
 390             if (res == GrabNotViewable)
 391             {
 392                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 393             }
 394             g_captureWindow = NULL;
 395             return;
 396         }
 397
 398         // wxLogDebug("Grabbed pointer in %s", GetName().c_str() );
 399
 400 #if 0
 401         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 402             (Window) GetMainWindow(),
 403             FALSE,
 404             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 405                 GrabModeAsync,
 406                 GrabModeAsync,
 407             None,
 408             None);
 409
 410         if (res != GrabSuccess)
 411         {
 412             wxLogDebug("Failed to grab mouse buttons.");
 413             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 414             return;
 415         }
 416 #endif
 417
 418 #if 0
 419         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 420             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 421             FALSE,
 422             GrabModeAsync,
 423                 GrabModeAsync,
 424             CurrentTime);
 425
 426         if (res != GrabSuccess)
 427         {
 428             wxLogDebug("Failed to grab keyboard.");
 429             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 430             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 431                 (Window) GetMainWindow());
 432             return;
 433         }
 434 #endif
 435
 436         m_winCaptured = TRUE;
 437     }
 438 }
 439
 440 void wxWindowX11::DoReleaseMouse()
 441 {
 442     g_captureWindow = NULL;
 443
 444     if ( !m_winCaptured )
 445         return;
 446
 447     Window xwindow = (Window) GetMainWindow();
 448
 449     if (xwindow)
 450     {
 451         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 452 #if 0
 453         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 454         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 455 #endif
 456     }
 457
 458     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 459
 460     m_winCaptured = FALSE;
 461 }
 462
 463 bool wxWindowX11::SetFont(const wxFont& font)
 464 {
 465     if ( !wxWindowBase::SetFont(font) )
 466     {
 467         // nothing to do
 468         return FALSE;
 469     }
 470
 471     return TRUE;
 472 }
 473
 474 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 475 {
 476     if ( !wxWindowBase::SetCursor(cursor) )
 477     {
 478         // no change
 479         return FALSE;
 480     }
 481
 482     Window xwindow = (Window) GetMainWindow();
 483
 484     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 485
 486     wxCursor cursorToUse;
 487     if (m_cursor.Ok())
 488         cursorToUse = m_cursor;
 489     else
 490         cursorToUse = *wxSTANDARD_CURSOR;
 491
 492     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 493
 494     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 495
 496     return TRUE;
 497 }
 498
 499 // Coordinates relative to the window
 500 void wxWindowX11::WarpPointer (int x, int y)
 501 {
 502     Window xwindow = (Window) GetMainWindow();
 503
 504     wxCHECK_RET( xwindow, wxT("invalid window") );
 505
 506     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 507 }
 508
 509 // Does a physical scroll
 510 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 511 {
 512     // No scrolling requested.
 513     if ((dx == 0) && (dy == 0)) return;
 514
 515     if (!m_updateRegion.IsEmpty())
 516     {
 517         m_updateRegion.Offset( dx, dy );
 518
 519         int cw = 0;
 520         int ch = 0;
 521         GetSize( &cw, &ch );  // GetClientSize() ??
 522         m_updateRegion.Intersect( 0, 0, cw, ch );
 523     }
 524
 525     if (!m_clearRegion.IsEmpty())
 526     {
 527         m_clearRegion.Offset( dx, dy );
 528
 529         int cw = 0;
 530         int ch = 0;
 531         GetSize( &cw, &ch );  // GetClientSize() ??
 532         m_clearRegion.Intersect( 0, 0, cw, ch );
 533     }
 534
 535     Window xwindow = (Window) GetMainWindow();
 536
 537     wxCHECK_RET( xwindow, wxT("invalid window") );
 538
 539     Display *xdisplay = wxGlobalDisplay();
 540
 541     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 542     XSetGraphicsExposures( xdisplay, xgc, True );
 543
 544     int s_x = 0;
 545     int s_y = 0;
 546     int cw;
 547     int ch;
 548     if (rect)
 549     {
 550         s_x = rect->x;
 551         s_y = rect->y;
 552
 553         cw = rect->width;
 554         ch = rect->height;
 555     }
 556     else
 557     {
 558         s_x = 0;
 559         s_y = 0;
 560         GetClientSize( &cw, &ch );
 561     }
 562
 563     wxPoint offset = GetClientAreaOrigin();
 564     s_x += offset.x;
 565     s_y += offset.y;
 566
 567     int w = cw - abs(dx);
 568     int h = ch - abs(dy);
 569
 570     if ((h < 0) || (w < 0))
 571     {
 572         Refresh();
 573     }
 574     else
 575     {
 576         wxRect rect;
 577         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 578         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 579         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 580         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 581
 582         int d_x = s_x;
 583         int d_y = s_y;
 584
 585         if (dx < 0) s_x += -dx;
 586         if (dy < 0) s_y += -dy;
 587         if (dx > 0) d_x = dx + offset.x;
 588         if (dy > 0) d_y = dy + offset.y;
 589
 590         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 591
 592         // 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 );
 593
 594         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 595
 596         m_updateRegion.Union( rect );
 597         m_clearRegion.Union( rect );
 598     }
 599
 600     XFreeGC( xdisplay, xgc );
 601 }
 602
 603 // ---------------------------------------------------------------------------
 604 // drag and drop
 605 // ---------------------------------------------------------------------------
 606
 607 #if wxUSE_DRAG_AND_DROP
 608
 609 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 610 {
 611     // TODO
 612 }
 613
 614 #endif
 615
 616 // Old style file-manager drag&drop
 617 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 618 {
 619     // TODO
 620 }
 621
 622 // ----------------------------------------------------------------------------
 623 // tooltips
 624 // ----------------------------------------------------------------------------
 625
 626 #if wxUSE_TOOLTIPS
 627
 628 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 629 {
 630     // TODO
 631 }
 632
 633 #endif // wxUSE_TOOLTIPS
 634
 635 // ---------------------------------------------------------------------------
 636 // moving and resizing
 637 // ---------------------------------------------------------------------------
 638
 639 bool wxWindowX11::PreResize()
 640 {
 641     return TRUE;
 642 }
 643
 644 // Get total size
 645 void wxWindowX11::DoGetSize(int *x, int *y) const
 646 {
 647     Window xwindow = (Window) GetMainWindow();
 648
 649     wxCHECK_RET( xwindow, wxT("invalid window") );
 650
 651     //XSync(wxGlobalDisplay(), False);
 652
 653     XWindowAttributes attr;
 654     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 655     wxASSERT(status);
 656
 657     if (status)
 658     {
 659         *x = attr.width /* + 2*m_borderSize */ ;
 660         *y = attr.height /* + 2*m_borderSize */ ;
 661     }
 662 }
 663
 664 void wxWindowX11::DoGetPosition(int *x, int *y) const
 665 {
 666     Window window = (Window) m_mainWidget;
 667     if (window)
 668     {
 669         //XSync(wxGlobalDisplay(), False);
 670         XWindowAttributes attr;
 671         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 672         wxASSERT(status);
 673
 674         if (status)
 675         {
 676             *x = attr.x;
 677             *y = attr.y;
 678
 679             // We may be faking the client origin. So a window that's really at (0, 30)
 680             // may appear (to wxWin apps) to be at (0, 0).
 681             if (GetParent())
 682             {
 683                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 684                 *x -= pt.x;
 685                 *y -= pt.y;
 686             }
 687         }
 688     }
 689 }
 690
 691 void wxWindowX11::DoScreenToClient(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, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 701 }
 702
 703 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 704 {
 705     Display *display = wxGlobalDisplay();
 706     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 707     Window thisWindow = (Window) m_mainWidget;
 708
 709     Window childWindow;
 710     int xx = *x;
 711     int yy = *y;
 712     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 713 }
 714
 715
 716 // Get size *available for subwindows* i.e. excluding menu bar etc.
 717 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 718 {
 719     Window window = (Window) m_mainWidget;
 720
 721     if (window)
 722     {
 723         //XSync(wxGlobalDisplay(), False);  // Is this really a good idea?
 724         XWindowAttributes attr;
 725         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 726         wxASSERT(status);
 727
 728         if (status)
 729         {
 730             *x = attr.width ;
 731             *y = attr.height ;
 732         }
 733     }
 734 }
 735
 736 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 737 {
 738     Window xwindow = (Window) GetMainWindow();
 739
 740     wxCHECK_RET( xwindow, wxT("invalid window") );
 741
 742     XWindowAttributes attr;
 743     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 744     wxCHECK_RET( status, wxT("invalid window attributes") );
 745
 746     int new_x = attr.x;
 747     int new_y = attr.y;
 748     int new_w = attr.width;
 749     int new_h = attr.height;
 750
 751
 752     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 753     {
 754         int yy = 0;
 755         AdjustForParentClientOrigin( x, yy, sizeFlags);
 756         new_x = x;
 757     }
 758     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 759     {
 760         int xx = 0;
 761         AdjustForParentClientOrigin( xx, y, sizeFlags);
 762         new_y = y;
 763     }
 764     if (width != -1)
 765     {
 766         new_w = width;
 767         if (new_w <= 0)
 768             new_w = 20;
 769     }
 770     if (height != -1)
 771     {
 772         new_h = height;
 773         if (new_h <= 0)
 774             new_h = 20;
 775     }
 776
 777     DoMoveWindow( new_x, new_y, new_w, new_h );
 778 }
 779
 780 void wxWindowX11::DoSetClientSize(int width, int height)
 781 {
 782     Window xwindow = (Window) GetMainWindow();
 783
 784     wxCHECK_RET( xwindow, wxT("invalid window") );
 785
 786 #if 1
 787
 788     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 789
 790 #else
 791
 792     XWindowAttributes attr;
 793     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 794     wxCHECK_RET( status, wxT("invalid window attributes") );
 795
 796     int new_x = attr.x;
 797     int new_y = attr.y;
 798     int new_w = attr.width;
 799     int new_h = attr.height;
 800
 801     if (width != -1)
 802         new_w = width;
 803
 804     if (height != -1)
 805         new_h = height;
 806
 807     DoMoveWindow( new_x, new_y, new_w, new_h );
 808
 809 #endif
 810 }
 811
 812 // For implementation purposes - sometimes decorations make the client area
 813 // smaller
 814 wxPoint wxWindowX11::GetClientAreaOrigin() const
 815 {
 816     return wxPoint(0, 0);
 817 }
 818
 819 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 820 {
 821     m_minWidth = minW;
 822     m_minHeight = minH;
 823     m_maxWidth = maxW;
 824     m_maxHeight = maxH;
 825
 826 #if !wxUSE_NANOX
 827     XSizeHints sizeHints;
 828     sizeHints.flags = 0;
 829
 830     if (minW > -1 && minH > -1)
 831     {
 832         sizeHints.flags |= PMinSize;
 833         sizeHints.min_width = minW;
 834         sizeHints.min_height = minH;
 835     }
 836     if (maxW > -1 && maxH > -1)
 837     {
 838         sizeHints.flags |= PMaxSize;
 839         sizeHints.max_width = maxW;
 840         sizeHints.max_height = maxH;
 841     }
 842     if (incW > -1 && incH > -1)
 843     {
 844         sizeHints.flags |= PResizeInc;
 845         sizeHints.width_inc = incW;
 846         sizeHints.height_inc = incH;
 847     }
 848
 849     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 850 #endif
 851 }
 852
 853 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 854 {
 855     Window xwindow = (Window) GetMainWindow();
 856
 857     wxCHECK_RET( xwindow, wxT("invalid window") );
 858
 859 #if 1
 860
 861     XWindowAttributes attr;
 862     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 863     wxCHECK_RET( status, wxT("invalid window attributes") );
 864
 865     if (attr.width == width && attr.height == height)
 866     {
 867         XMoveWindow( wxGlobalDisplay(), xwindow, x, y );
 868         return;
 869     }
 870
 871     if (attr.x == x && attr.y == y)
 872     {
 873         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 874         return;
 875     }
 876
 877     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 878
 879 #else
 880
 881     XWindowChanges windowChanges;
 882     windowChanges.x = x;
 883     windowChanges.y = y;
 884     windowChanges.width = width;
 885     windowChanges.height = height;
 886     windowChanges.stack_mode = 0;
 887     int valueMask = CWX | CWY | CWWidth | CWHeight;
 888
 889     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 890
 891 #endif
 892 }
 893
 894 // ---------------------------------------------------------------------------
 895 // text metrics
 896 // ---------------------------------------------------------------------------
 897
 898 int wxWindowX11::GetCharHeight() const
 899 {
 900     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 901
 902     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 903
 904     int direction, ascent, descent;
 905     XCharStruct overall;
 906     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 907         &descent, &overall);
 908
 909     //  return (overall.ascent + overall.descent);
 910     return (ascent + descent);
 911 }
 912
 913 int wxWindowX11::GetCharWidth() const
 914 {
 915     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 916
 917     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 918
 919     int direction, ascent, descent;
 920     XCharStruct overall;
 921     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 922         &descent, &overall);
 923
 924     return overall.width;
 925 }
 926
 927 void wxWindowX11::GetTextExtent(const wxString& string,
 928                              int *x, int *y,
 929                              int *descent, int *externalLeading,
 930                              const wxFont *theFont) const
 931 {
 932     wxFont fontToUse = m_font;
 933     if (theFont) fontToUse = *theFont;
 934
 935     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 936
 937     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 938
 939     int direction, ascent, descent2;
 940     XCharStruct overall;
 941     int slen = string.Len();
 942
 943 #if 0
 944     if (use16)
 945         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 946         &ascent, &descent2, &overall);
 947 #endif
 948
 949     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
 950                  &direction, &ascent, &descent2, &overall);
 951
 952     if ( x )
 953         *x = (overall.width);
 954     if ( y )
 955         *y = (ascent + descent2);
 956     if (descent)
 957         *descent = descent2;
 958     if (externalLeading)
 959         *externalLeading = 0;
 960
 961 }
 962
 963 // ----------------------------------------------------------------------------
 964 // painting
 965 // ----------------------------------------------------------------------------
 966
 967 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 968 {
 969     if (eraseBack)
 970     {
 971         if (rect)
 972         {
 973             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 974             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 975         }
 976         else
 977         {
 978             int height,width;
 979             GetSize( &width, &height );
 980
 981             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 982             m_clearRegion.Clear();
 983             m_clearRegion.Union( 0, 0, width, height );
 984         }
 985     }
 986
 987     if (rect)
 988     {
 989          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 990          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 991     }
 992     else
 993     {
 994         int height,width;
 995         GetSize( &width, &height );
 996
 997         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 998         m_updateRegion.Clear();
 999         m_updateRegion.Union( 0, 0, width, height );
1000     }
1001 }
1002
1003 void wxWindowX11::Update()
1004 {
1005     if (!m_updateRegion.IsEmpty())
1006     {
1007         //        wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1008         // Actually send erase events.
1009         SendEraseEvents();
1010
1011         // Actually send paint events.
1012         SendPaintEvents();
1013     }
1014 }
1015
1016 void wxWindowX11::Clear()
1017 {
1018     wxClientDC dc((wxWindow*) this);
1019     wxBrush brush(GetBackgroundColour(), wxSOLID);
1020     dc.SetBackground(brush);
1021     dc.Clear();
1022 }
1023
1024 void wxWindowX11::SendEraseEvents()
1025 {
1026     if (m_clearRegion.IsEmpty()) return;
1027
1028     wxWindowDC dc( (wxWindow*)this );
1029     dc.SetClippingRegion( m_clearRegion );
1030
1031     wxEraseEvent erase_event( GetId(), &dc );
1032     erase_event.SetEventObject( this );
1033
1034     if (!GetEventHandler()->ProcessEvent(erase_event))
1035     {
1036         Window xwindow = (Window) GetMainWindow();
1037         Display *xdisplay = wxGlobalDisplay();
1038         GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
1039         XSetFillStyle( xdisplay, xgc, FillSolid );
1040         XSetForeground( xdisplay, xgc, m_backgroundColour.GetPixel() );
1041         wxRegionIterator upd( m_clearRegion );
1042         while (upd)
1043         {
1044             XFillRectangle( xdisplay, xwindow, xgc,
1045                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1046             upd ++;
1047         }
1048         XFreeGC( xdisplay, xgc );
1049     }
1050
1051     m_clearRegion.Clear();
1052 }
1053
1054 void wxWindowX11::SendPaintEvents()
1055 {
1056     m_clipPaintRegion = TRUE;
1057
1058     wxNcPaintEvent nc_paint_event( GetId() );
1059     nc_paint_event.SetEventObject( this );
1060     GetEventHandler()->ProcessEvent( nc_paint_event );
1061
1062     wxPaintEvent paint_event( GetId() );
1063     paint_event.SetEventObject( this );
1064     GetEventHandler()->ProcessEvent( paint_event );
1065
1066     m_updateRegion.Clear();
1067
1068     m_clipPaintRegion = FALSE;
1069 }
1070
1071 // ----------------------------------------------------------------------------
1072 // event handlers
1073 // ----------------------------------------------------------------------------
1074
1075 // Responds to colour changes: passes event on to children.
1076 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1077 {
1078     wxWindowList::Node *node = GetChildren().GetFirst();
1079     while ( node )
1080     {
1081         // Only propagate to non-top-level windows
1082         wxWindow *win = node->GetData();
1083         if ( win->GetParent() )
1084         {
1085             wxSysColourChangedEvent event2;
1086             event.m_eventObject = win;
1087             win->GetEventHandler()->ProcessEvent(event2);
1088         }
1089
1090         node = node->GetNext();
1091     }
1092 }
1093
1094 void wxWindowX11::OnInternalIdle()
1095 {
1096     // Update invalidated regions.
1097     Update();
1098
1099     // This calls the UI-update mechanism (querying windows for
1100     // menu/toolbar/control state information)
1101     UpdateWindowUI();
1102
1103     // Set the input focus if couldn't do it before
1104     if (m_needsInputFocus)
1105     {
1106         SetFocus();
1107     }
1108 }
1109
1110 // ----------------------------------------------------------------------------
1111 // function which maintain the global hash table mapping Widgets to wxWindows
1112 // ----------------------------------------------------------------------------
1113
1114 bool wxAddWindowToTable(Window w, wxWindow *win)
1115 {
1116     wxWindow *oldItem = NULL;
1117     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1118     {
1119         wxLogDebug("Widget table clash: new widget is %ld, %s",
1120                    (long)w, win->GetClassInfo()->GetClassName());
1121         return FALSE;
1122     }
1123
1124     wxWidgetHashTable->Put((long) w, win);
1125
1126     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1127                w, win, win->GetClassInfo()->GetClassName());
1128
1129     return TRUE;
1130 }
1131
1132 wxWindow *wxGetWindowFromTable(Window w)
1133 {
1134     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1135 }
1136
1137 void wxDeleteWindowFromTable(Window w)
1138 {
1139     wxWidgetHashTable->Delete((long)w);
1140 }
1141
1142 // ----------------------------------------------------------------------------
1143 // add/remove window from the table
1144 // ----------------------------------------------------------------------------
1145
1146 // ----------------------------------------------------------------------------
1147 // X11-specific accessors
1148 // ----------------------------------------------------------------------------
1149
1150 // Get the underlying X window
1151 WXWindow wxWindowX11::GetXWindow() const
1152 {
1153     return GetMainWindow();
1154 }
1155
1156 // Get the underlying X display
1157 WXDisplay *wxWindowX11::GetXDisplay() const
1158 {
1159     return wxGetDisplay();
1160 }
1161
1162 WXWindow wxWindowX11::GetMainWindow() const
1163 {
1164     return m_mainWidget;
1165 }
1166
1167 // ----------------------------------------------------------------------------
1168 // TranslateXXXEvent() functions
1169 // ----------------------------------------------------------------------------
1170
1171 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1172 {
1173     switch (XEventGetType(xevent))
1174     {
1175         case EnterNotify:
1176         case LeaveNotify:
1177         case ButtonPress:
1178         case ButtonRelease:
1179         case MotionNotify:
1180         {
1181             wxEventType eventType = wxEVT_NULL;
1182
1183             if (XEventGetType(xevent) == EnterNotify)
1184             {
1185                 //if (local_event.xcrossing.mode!=NotifyNormal)
1186                 //  return ; // Ignore grab events
1187                 eventType = wxEVT_ENTER_WINDOW;
1188                 //            canvas->GetEventHandler()->OnSetFocus();
1189             }
1190             else if (XEventGetType(xevent) == LeaveNotify)
1191             {
1192                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1193                 //  return ; // Ignore grab events
1194                 eventType = wxEVT_LEAVE_WINDOW;
1195                 //            canvas->GetEventHandler()->OnKillFocus();
1196             }
1197             else if (XEventGetType(xevent) == MotionNotify)
1198             {
1199                 eventType = wxEVT_MOTION;
1200             }
1201             else if (XEventGetType(xevent) == ButtonPress)
1202             {
1203                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1204                 int button = 0;
1205                 if (XButtonEventLChanged(xevent))
1206                 {
1207                     eventType = wxEVT_LEFT_DOWN;
1208                     button = 1;
1209                 }
1210                 else if (XButtonEventMChanged(xevent))
1211                 {
1212                     eventType = wxEVT_MIDDLE_DOWN;
1213                     button = 2;
1214                 }
1215                 else if (XButtonEventRChanged(xevent))
1216                 {
1217                     eventType = wxEVT_RIGHT_DOWN;
1218                     button = 3;
1219                 }
1220
1221                 // check for a double click
1222                 // TODO: where can we get this value from?
1223                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1224                 long dclickTime = 200;
1225                 long ts = wxevent.GetTimestamp();
1226
1227                 int buttonLast = win->GetLastClickedButton();
1228                 long lastTS = win->GetLastClickTime();
1229                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1230                 {
1231                     // I have a dclick
1232                     win->SetLastClick(0, ts);
1233                     if ( eventType == wxEVT_LEFT_DOWN )
1234                         eventType = wxEVT_LEFT_DCLICK;
1235                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1236                         eventType = wxEVT_MIDDLE_DCLICK;
1237                     else if ( eventType == wxEVT_RIGHT_DOWN )
1238                         eventType = wxEVT_RIGHT_DCLICK;
1239                 }
1240                 else
1241                 {
1242                     // not fast enough or different button
1243                     win->SetLastClick(button, ts);
1244                 }
1245             }
1246             else if (XEventGetType(xevent) == ButtonRelease)
1247             {
1248                 if (XButtonEventLChanged(xevent))
1249                 {
1250                     eventType = wxEVT_LEFT_UP;
1251                 }
1252                 else if (XButtonEventMChanged(xevent))
1253                 {
1254                     eventType = wxEVT_MIDDLE_UP;
1255                 }
1256                 else if (XButtonEventRChanged(xevent))
1257                 {
1258                     eventType = wxEVT_RIGHT_UP;
1259                 }
1260                 else return FALSE;
1261             }
1262             else
1263             {
1264                 return FALSE;
1265             }
1266
1267             wxevent.SetEventType(eventType);
1268
1269             wxevent.m_x = XButtonEventGetX(xevent);
1270             wxevent.m_y = XButtonEventGetY(xevent);
1271
1272             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1273                 || (XButtonEventLIsDown(xevent)
1274                 && (eventType != wxEVT_LEFT_UP)));
1275             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1276                 || (XButtonEventMIsDown(xevent)
1277                 && (eventType != wxEVT_MIDDLE_UP)));
1278             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1279                 || (XButtonEventRIsDown (xevent)
1280                 && (eventType != wxEVT_RIGHT_UP)));
1281
1282             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1283             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1284             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1285             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1286
1287             wxevent.SetId(win->GetId());
1288             wxevent.SetEventObject(win);
1289
1290             return TRUE;
1291         }
1292     }
1293     return FALSE;
1294 }
1295
1296 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1297 {
1298     switch (XEventGetType(xevent))
1299     {
1300     case KeyPress:
1301     case KeyRelease:
1302         {
1303             char buf[20];
1304
1305             KeySym keySym;
1306             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1307             int id = wxCharCodeXToWX (keySym);
1308
1309             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1310             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1311             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1312             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1313             wxevent.SetEventObject(win);
1314             wxevent.m_keyCode = id;
1315             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1316
1317             wxevent.m_x = XKeyEventGetX(xevent);
1318             wxevent.m_y = XKeyEventGetY(xevent);
1319
1320             if (id > -1)
1321                 return TRUE;
1322             else
1323                 return FALSE;
1324             break;
1325         }
1326     default:
1327         break;
1328     }
1329     return FALSE;
1330 }
1331
1332 // ----------------------------------------------------------------------------
1333 // Colour stuff
1334 // ----------------------------------------------------------------------------
1335
1336 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1337 {
1338     wxWindowBase::SetBackgroundColour(col);
1339
1340     Display *xdisplay = (Display*) wxGlobalDisplay();
1341     int xscreen = DefaultScreen( xdisplay );
1342     Colormap cm = DefaultColormap( xdisplay, xscreen );
1343
1344     m_backgroundColour.CalcPixel( (WXColormap) cm );
1345
1346     if (!GetMainWindow())
1347         return FALSE;
1348
1349 /*
1350     XSetWindowAttributes attrib;
1351     attrib.background_pixel = colour.GetPixel();
1352
1353     XChangeWindowAttributes(wxGlobalDisplay(),
1354         (Window) GetMainWindow(),
1355         CWBackPixel,
1356         & attrib);
1357 */
1358
1359     return TRUE;
1360 }
1361
1362 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1363 {
1364     if ( !wxWindowBase::SetForegroundColour(col) )
1365         return FALSE;
1366
1367     return TRUE;
1368 }
1369
1370 // ----------------------------------------------------------------------------
1371 // global functions
1372 // ----------------------------------------------------------------------------
1373
1374 wxWindow *wxGetActiveWindow()
1375 {
1376     // TODO
1377     wxFAIL_MSG("Not implemented");
1378     return NULL;
1379 }
1380
1381 /* static */
1382 wxWindow *wxWindowBase::GetCapture()
1383 {
1384     return (wxWindow *)g_captureWindow;
1385 }
1386
1387
1388 // Find the wxWindow at the current mouse position, returning the mouse
1389 // position.
1390 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1391 {
1392     return wxFindWindowAtPoint(wxGetMousePosition());
1393 }
1394
1395 // Get the current mouse position.
1396 wxPoint wxGetMousePosition()
1397 {
1398 #if wxUSE_NANOX
1399     /* TODO */
1400     return wxPoint(0, 0);
1401 #else
1402     Display *display = wxGlobalDisplay();
1403     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1404     Window rootReturn, childReturn;
1405     int rootX, rootY, winX, winY;
1406     unsigned int maskReturn;
1407
1408     XQueryPointer (display,
1409                    rootWindow,
1410                    &rootReturn,
1411                    &childReturn,
1412                    &rootX, &rootY, &winX, &winY, &maskReturn);
1413     return wxPoint(rootX, rootY);
1414 #endif
1415 }
1416
1417
1418 // ----------------------------------------------------------------------------
1419 // wxNoOptimize: switch off size optimization
1420 // ----------------------------------------------------------------------------
1421
1422 int wxNoOptimize::ms_count = 0;
1423