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 #include <string.h>
  51
  52 // ----------------------------------------------------------------------------
  53 // global variables for this module
  54 // ----------------------------------------------------------------------------
  55
  56 extern wxHashTable *wxWidgetHashTable;
  57 static wxWindow* g_captureWindow = NULL;
  58
  59 // ----------------------------------------------------------------------------
  60 // macros
  61 // ----------------------------------------------------------------------------
  62
  63 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  64 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  65 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  66
  67 // ----------------------------------------------------------------------------
  68 // event tables
  69 // ----------------------------------------------------------------------------
  70
  71 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  72
  73 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  74     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  75 END_EVENT_TABLE()
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // helper functions
  83 // ----------------------------------------------------------------------------
  84
  85 // ----------------------------------------------------------------------------
  86 // constructors
  87 // ----------------------------------------------------------------------------
  88
  89 void wxWindowX11::Init()
  90 {
  91     // generic initializations first
  92     InitBase();
  93
  94     // X11-specific
  95     m_mainWidget = (WXWindow) 0;
  96     m_winCaptured = FALSE;
  97     m_needsInputFocus = FALSE;
  98     m_isShown = TRUE;
  99     m_isBeingDeleted = FALSE;
 100     m_lastTS = 0;
 101     m_lastButton = 0;
 102 }
 103
 104 // real construction (Init() must have been called before!)
 105 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 106                       const wxPoint& pos,
 107                       const wxSize& size,
 108                       long style,
 109                       const wxString& name)
 110 {
 111     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 112
 113     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 114
 115     parent->AddChild(this);
 116
 117     int w = size.GetWidth();
 118     int h = size.GetHeight();
 119     int x = size.GetX();
 120     int y = size.GetY();
 121     if (w == -1) w = 20;
 122     if (h == -1) h = 20;
 123     if (x == -1) x = 0;
 124     if (y == -1) y = 0;
 125
 126     Display *xdisplay = (Display*) wxGlobalDisplay();
 127     int xscreen = DefaultScreen( xdisplay );
 128     Colormap cm = DefaultColormap( xdisplay, xscreen );
 129
 130     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 131     m_backgroundColour.CalcPixel( (WXColormap) cm );
 132     m_hasBgCol = TRUE;
 133
 134     m_foregroundColour = *wxBLACK;
 135     m_foregroundColour.CalcPixel( (WXColormap) cm );
 136
 137
 138     Window parentWindow = (Window) parent->GetMainWindow();
 139
 140     Window window = XCreateSimpleWindow(
 141         xdisplay, parentWindow,
 142         x, y, w, h, 0,
 143         m_backgroundColour.GetPixel(),
 144         m_backgroundColour.GetPixel() );
 145
 146     m_mainWidget = (WXWindow) window;
 147
 148     // Select event types wanted
 149     XSelectInput( wxGlobalDisplay(), window,
 150         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 151         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 152         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 153         PropertyChangeMask);
 154
 155     wxAddWindowToTable(window, (wxWindow*) this);
 156
 157     // Is a subwindow, so map immediately
 158     m_isShown = TRUE;
 159     XMapWindow(wxGlobalDisplay(), window);
 160
 161     // Without this, the cursor may not be restored properly (e.g. in splitter
 162     // sample).
 163     SetCursor(*wxSTANDARD_CURSOR);
 164     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 165     SetSize(pos.x, pos.y, size.x, size.y);
 166
 167     return TRUE;
 168 }
 169
 170 // Destructor
 171 wxWindowX11::~wxWindowX11()
 172 {
 173     if (g_captureWindow == this)
 174         g_captureWindow = NULL;
 175
 176     m_isBeingDeleted = TRUE;
 177
 178     // X11-specific actions first
 179     Window main = (Window) m_mainWidget;
 180     if ( main )
 181     {
 182         // Removes event handlers
 183         //DetachWidget(main);
 184     }
 185
 186     if (m_parent)
 187         m_parent->RemoveChild( this );
 188
 189     DestroyChildren();
 190
 191     // Destroy the window
 192     if (main)
 193     {
 194         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 195         wxDeleteWindowFromTable( main );
 196         XDestroyWindow( wxGlobalDisplay(), main );
 197         m_mainWidget = NULL;
 198     }
 199 }
 200
 201 // ---------------------------------------------------------------------------
 202 // basic operations
 203 // ---------------------------------------------------------------------------
 204
 205 void wxWindowX11::SetFocus()
 206 {
 207     Window xwindow = (Window) GetMainWindow();
 208
 209     wxCHECK_RET( xwindow, wxT("invalid window") );
 210
 211     if (wxWindowIsVisible(xwindow))
 212     {
 213         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 214         m_needsInputFocus = FALSE;
 215     }
 216     else
 217     {
 218         m_needsInputFocus = TRUE;
 219     }
 220 }
 221
 222 // Get the window with the focus
 223 wxWindow *wxWindowBase::FindFocus()
 224 {
 225     Window xfocus = (Window) 0;
 226     int revert = 0;
 227
 228     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 229     if (xfocus)
 230     {
 231         wxWindow *win = wxGetWindowFromTable( xfocus );
 232
 233         return win;
 234     }
 235
 236     return NULL;
 237 }
 238
 239 // Enabling/disabling handled by event loop, and not sending events
 240 // if disabled.
 241 bool wxWindowX11::Enable(bool enable)
 242 {
 243     if ( !wxWindowBase::Enable(enable) )
 244         return FALSE;
 245
 246     return TRUE;
 247 }
 248
 249 bool wxWindowX11::Show(bool show)
 250 {
 251     wxWindowBase::Show(show);
 252
 253     Window xwin = (Window) GetXWindow();
 254     Display *xdisp = (Display*) GetXDisplay();
 255     if (show)
 256     {
 257         wxString msg;
 258         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 259         wxLogDebug(msg);
 260         XMapWindow(xdisp, xwin);
 261         XSync(xdisp, False);
 262     }
 263     else
 264     {
 265         wxString msg;
 266         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 267         wxLogDebug(msg);
 268         XUnmapWindow(xdisp, xwin);
 269     }
 270
 271     return TRUE;
 272 }
 273
 274 // Raise the window to the top of the Z order
 275 void wxWindowX11::Raise()
 276 {
 277     if (m_mainWidget)
 278         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 279 }
 280
 281 // Lower the window to the bottom of the Z order
 282 void wxWindowX11::Lower()
 283 {
 284     if (m_mainWidget)
 285         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 286 }
 287
 288 void wxWindowX11::DoCaptureMouse()
 289 {
 290     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 291     {
 292         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 293
 294         // Core dump now
 295         int *tmp = NULL;
 296         (*tmp) = 1;
 297         return;
 298     }
 299
 300     if (m_winCaptured)
 301         return;
 302
 303     Window xwindow = (Window) GetMainWindow();
 304
 305     wxCHECK_RET( xwindow, wxT("invalid window") );
 306
 307     g_captureWindow = (wxWindow*) this;
 308
 309     if (xwindow)
 310     {
 311         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 312             FALSE,
 313             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 314             GrabModeAsync,
 315                 GrabModeAsync,
 316             None,
 317             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 318             CurrentTime );
 319
 320         if (res != GrabSuccess)
 321         {
 322             wxString msg;
 323             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 324             wxLogDebug(msg);
 325             if (res == GrabNotViewable)
 326             {
 327                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 328             }
 329             g_captureWindow = NULL;
 330             return;
 331         }
 332
 333         wxLogDebug("Grabbed pointer");
 334
 335 #if 0
 336         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 337             (Window) GetMainWindow(),
 338             FALSE,
 339             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 340                 GrabModeAsync,
 341                 GrabModeAsync,
 342             None,
 343             None);
 344
 345         if (res != GrabSuccess)
 346         {
 347             wxLogDebug("Failed to grab mouse buttons.");
 348             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 349             return;
 350         }
 351 #endif
 352
 353 #if 0
 354         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 355             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 356             FALSE,
 357             GrabModeAsync,
 358                 GrabModeAsync,
 359             CurrentTime);
 360
 361         if (res != GrabSuccess)
 362         {
 363             wxLogDebug("Failed to grab keyboard.");
 364             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 365             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 366                 (Window) GetMainWindow());
 367             return;
 368         }
 369 #endif
 370
 371         m_winCaptured = TRUE;
 372     }
 373 }
 374
 375 void wxWindowX11::DoReleaseMouse()
 376 {
 377     g_captureWindow = NULL;
 378
 379     if ( !m_winCaptured )
 380         return;
 381
 382     Window xwindow = (Window) GetMainWindow();
 383
 384     if (xwindow)
 385     {
 386         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 387 #if 0
 388         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 389         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 390 #endif
 391     }
 392     wxLogDebug("Ungrabbed pointer");
 393
 394     m_winCaptured = FALSE;
 395 }
 396
 397 bool wxWindowX11::SetFont(const wxFont& font)
 398 {
 399     if ( !wxWindowBase::SetFont(font) )
 400     {
 401         // nothing to do
 402         return FALSE;
 403     }
 404
 405     return TRUE;
 406 }
 407
 408 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 409 {
 410     if ( !wxWindowBase::SetCursor(cursor) )
 411     {
 412         // no change
 413         return FALSE;
 414     }
 415
 416     Window xwindow = (Window) GetMainWindow();
 417
 418     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 419
 420     wxCursor cursorToUse;
 421     if (m_cursor.Ok())
 422         cursorToUse = m_cursor;
 423     else
 424         cursorToUse = *wxSTANDARD_CURSOR;
 425
 426     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 427
 428     XDefineCursor( (Display*) wxGlobalDisplay(), xwindow, xcursor );
 429
 430     return TRUE;
 431 }
 432
 433 // Coordinates relative to the window
 434 void wxWindowX11::WarpPointer (int x, int y)
 435 {
 436     Window xwindow = (Window) GetMainWindow();
 437
 438     wxCHECK_RET( xwindow, wxT("invalid window") );
 439
 440     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 441 }
 442
 443 // Does a physical scroll
 444 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 445 {
 446 #if 0
 447     int x, y, w, h;
 448     if (rect)
 449     {
 450         // Use specified rectangle
 451         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 452     }
 453     else
 454     {
 455         // Use whole client area
 456         x = 0; y = 0;
 457         GetClientSize(& w, & h);
 458     }
 459
 460     wxNode *cnode = m_children.First();
 461     while (cnode)
 462     {
 463         wxWindow *child = (wxWindow*) cnode->Data();
 464         int sx = 0;
 465         int sy = 0;
 466         child->GetSize( &sx, &sy );
 467         wxPoint pos( child->GetPosition() );
 468         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 469         cnode = cnode->Next();
 470     }
 471
 472     int x1 = (dx >= 0) ? x : x - dx;
 473     int y1 = (dy >= 0) ? y : y - dy;
 474     int w1 = w - abs(dx);
 475     int h1 = h - abs(dy);
 476     int x2 = (dx >= 0) ? x + dx : x;
 477     int y2 = (dy >= 0) ? y + dy : y;
 478
 479     wxClientDC dc((wxWindow*) this);
 480
 481     dc.SetLogicalFunction (wxCOPY);
 482
 483     Window window = (Window) GetMainWindow();
 484     Display* display = wxGlobalDisplay();
 485
 486     XCopyArea(display, window, window, (GC) dc.GetGC(),
 487         x1, y1, w1, h1, x2, y2);
 488
 489     dc.SetAutoSetting(TRUE);
 490     wxBrush brush(GetBackgroundColour(), wxSOLID);
 491     dc.SetBrush(brush); // FIXME: needed?
 492
 493     // We'll add rectangles to the list of update rectangles according to which
 494     // bits we've exposed.
 495     wxList updateRects;
 496
 497     if (dx > 0)
 498     {
 499         wxRect *rect = new wxRect;
 500         rect->x = x;
 501         rect->y = y;
 502         rect->width = dx;
 503         rect->height = h;
 504
 505         XFillRectangle(display, window,
 506             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 507
 508         rect->x = rect->x;
 509         rect->y = rect->y;
 510         rect->width = rect->width;
 511         rect->height = rect->height;
 512
 513         updateRects.Append((wxObject*) rect);
 514     }
 515     else if (dx < 0)
 516     {
 517         wxRect *rect = new wxRect;
 518
 519         rect->x = x + w + dx;
 520         rect->y = y;
 521         rect->width = -dx;
 522         rect->height = h;
 523
 524         XFillRectangle(display, window,
 525             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 526             rect->height);
 527
 528         rect->x = rect->x;
 529         rect->y = rect->y;
 530         rect->width = rect->width;
 531         rect->height = rect->height;
 532
 533         updateRects.Append((wxObject*) rect);
 534     }
 535     if (dy > 0)
 536     {
 537         wxRect *rect = new wxRect;
 538
 539         rect->x = x;
 540         rect->y = y;
 541         rect->width = w;
 542         rect->height = dy;
 543
 544         XFillRectangle(display, window,
 545             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 546
 547         rect->x = rect->x;
 548         rect->y = rect->y;
 549         rect->width = rect->width;
 550         rect->height = rect->height;
 551
 552         updateRects.Append((wxObject*) rect);
 553     }
 554     else if (dy < 0)
 555     {
 556         wxRect *rect = new wxRect;
 557
 558         rect->x = x;
 559         rect->y = y + h + dy;
 560         rect->width = w;
 561         rect->height = -dy;
 562
 563         XFillRectangle(display, window,
 564             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 565
 566         rect->x = rect->x;
 567         rect->y = rect->y;
 568         rect->width = rect->width;
 569         rect->height = rect->height;
 570
 571         updateRects.Append((wxObject*) rect);
 572     }
 573     dc.SetBrush(wxNullBrush);
 574
 575     // Now send expose events
 576
 577     wxNode* node = updateRects.First();
 578     while (node)
 579     {
 580         wxRect* rect = (wxRect*) node->Data();
 581         XExposeEvent event;
 582
 583         event.type = Expose;
 584         event.display = display;
 585         event.send_event = True;
 586         event.window = window;
 587
 588         event.x = rect->x;
 589         event.y = rect->y;
 590         event.width = rect->width;
 591         event.height = rect->height;
 592
 593         event.count = 0;
 594
 595         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 596
 597         node = node->Next();
 598
 599     }
 600
 601     // Delete the update rects
 602     node = updateRects.First();
 603     while (node)
 604     {
 605         wxRect* rect = (wxRect*) node->Data();
 606         delete rect;
 607         node = node->Next();
 608     }
 609 #endif
 610 }
 611
 612 // ---------------------------------------------------------------------------
 613 // drag and drop
 614 // ---------------------------------------------------------------------------
 615
 616 #if wxUSE_DRAG_AND_DROP
 617
 618 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 619 {
 620     // TODO
 621 }
 622
 623 #endif
 624
 625 // Old style file-manager drag&drop
 626 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 627 {
 628     // TODO
 629 }
 630
 631 // ----------------------------------------------------------------------------
 632 // tooltips
 633 // ----------------------------------------------------------------------------
 634
 635 #if wxUSE_TOOLTIPS
 636
 637 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 638 {
 639     // TODO
 640 }
 641
 642 #endif // wxUSE_TOOLTIPS
 643
 644 // ---------------------------------------------------------------------------
 645 // moving and resizing
 646 // ---------------------------------------------------------------------------
 647
 648 bool wxWindowX11::PreResize()
 649 {
 650     return TRUE;
 651 }
 652
 653 // Get total size
 654 void wxWindowX11::DoGetSize(int *x, int *y) const
 655 {
 656     Window xwindow = (Window) GetMainWindow();
 657
 658     wxCHECK_RET( xwindow, wxT("invalid window") );
 659
 660     XSync(wxGlobalDisplay(), False);
 661     XWindowAttributes attr;
 662     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 663     wxASSERT(status);
 664
 665     if (status)
 666     {
 667         *x = attr.width /* + 2*m_borderSize */ ;
 668         *y = attr.height /* + 2*m_borderSize */ ;
 669     }
 670 }
 671
 672 void wxWindowX11::DoGetPosition(int *x, int *y) const
 673 {
 674     Window window = (Window) m_mainWidget;
 675     if (window)
 676     {
 677         XSync(wxGlobalDisplay(), False);
 678         XWindowAttributes attr;
 679         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 680         wxASSERT(status);
 681
 682         if (status)
 683         {
 684             *x = attr.x;
 685             *y = attr.y;
 686
 687             // We may be faking the client origin. So a window that's really at (0, 30)
 688             // may appear (to wxWin apps) to be at (0, 0).
 689             if (GetParent())
 690             {
 691                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 692                 *x -= pt.x;
 693                 *y -= pt.y;
 694             }
 695         }
 696     }
 697 }
 698
 699 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 700 {
 701     Display *display = wxGlobalDisplay();
 702     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 703     Window thisWindow = (Window) m_mainWidget;
 704
 705     Window childWindow;
 706     int xx = *x;
 707     int yy = *y;
 708     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 709 }
 710
 711 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 712 {
 713     Display *display = wxGlobalDisplay();
 714     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 715     Window thisWindow = (Window) m_mainWidget;
 716
 717     Window childWindow;
 718     int xx = *x;
 719     int yy = *y;
 720     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 721 }
 722
 723
 724 // Get size *available for subwindows* i.e. excluding menu bar etc.
 725 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 726 {
 727     Window window = (Window) m_mainWidget;
 728
 729     if (window)
 730     {
 731         XSync(wxGlobalDisplay(), False);
 732         XWindowAttributes attr;
 733         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 734         wxASSERT(status);
 735
 736         if (status)
 737         {
 738             *x = attr.width ;
 739             *y = attr.height ;
 740         }
 741     }
 742 }
 743
 744 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 745 {
 746     if (!GetMainWindow())
 747         return;
 748
 749     XWindowChanges windowChanges;
 750     int valueMask = 0;
 751
 752     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 753     {
 754         int yy = 0;
 755         AdjustForParentClientOrigin( x, yy, sizeFlags);
 756         windowChanges.x = x;
 757         valueMask |= CWX;
 758     }
 759     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 760     {
 761         int xx = 0;
 762         AdjustForParentClientOrigin( xx, y, sizeFlags);
 763         windowChanges.y = y;
 764         valueMask |= CWY;
 765     }
 766     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 767     {
 768         windowChanges.width = width /* - m_borderSize*2 */;
 769         valueMask |= CWWidth;
 770     }
 771     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 772     {
 773         windowChanges.height = height /* -m_borderSize*2*/;
 774         valueMask |= CWHeight;
 775     }
 776
 777     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 778         valueMask, & windowChanges);
 779     XSync(wxGlobalDisplay(), False);
 780 }
 781
 782 void wxWindowX11::DoSetClientSize(int width, int height)
 783 {
 784     if (!GetMainWindow())
 785         return;
 786
 787     XWindowChanges windowChanges;
 788     int valueMask = 0;
 789
 790     if (width != -1)
 791     {
 792         windowChanges.width = width ;
 793         valueMask |= CWWidth;
 794     }
 795     if (height != -1)
 796     {
 797         windowChanges.height = height ;
 798         valueMask |= CWHeight;
 799     }
 800     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 801         valueMask, & windowChanges);
 802     XSync(wxGlobalDisplay(), False);
 803 }
 804
 805 // For implementation purposes - sometimes decorations make the client area
 806 // smaller
 807 wxPoint wxWindowX11::GetClientAreaOrigin() const
 808 {
 809     return wxPoint(0, 0);
 810 }
 811
 812 // Makes an adjustment to the window position (for example, a frame that has
 813 // a toolbar that it manages itself).
 814 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 815 {
 816     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 817     {
 818         wxPoint pt(GetParent()->GetClientAreaOrigin());
 819         x += pt.x; y += pt.y;
 820     }
 821 }
 822
 823 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 824 {
 825     m_minWidth = minW;
 826     m_minHeight = minH;
 827     m_maxWidth = maxW;
 828     m_maxHeight = maxH;
 829
 830     XSizeHints sizeHints;
 831     sizeHints.flags = 0;
 832
 833     if (minW > -1 && minH > -1)
 834     {
 835         sizeHints.flags |= PMinSize;
 836         sizeHints.min_width = minW;
 837         sizeHints.min_height = minH;
 838     }
 839     if (maxW > -1 && maxH > -1)
 840     {
 841         sizeHints.flags |= PMaxSize;
 842         sizeHints.max_width = maxW;
 843         sizeHints.max_height = maxH;
 844     }
 845     if (incW > -1 && incH > -1)
 846     {
 847         sizeHints.flags |= PResizeInc;
 848         sizeHints.width_inc = incW;
 849         sizeHints.height_inc = incH;
 850     }
 851
 852     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 853 }
 854
 855 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 856 {
 857     DoSetSize(x, y, width, height);
 858 }
 859
 860 // ---------------------------------------------------------------------------
 861 // text metrics
 862 // ---------------------------------------------------------------------------
 863
 864 int wxWindowX11::GetCharHeight() const
 865 {
 866     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 867
 868     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 869
 870     int direction, ascent, descent;
 871     XCharStruct overall;
 872     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 873         &descent, &overall);
 874
 875     //  return (overall.ascent + overall.descent);
 876     return (ascent + descent);
 877 }
 878
 879 int wxWindowX11::GetCharWidth() const
 880 {
 881     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 882
 883     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 884
 885     int direction, ascent, descent;
 886     XCharStruct overall;
 887     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 888         &descent, &overall);
 889
 890     return overall.width;
 891 }
 892
 893 void wxWindowX11::GetTextExtent(const wxString& string,
 894                              int *x, int *y,
 895                              int *descent, int *externalLeading,
 896                              const wxFont *theFont) const
 897 {
 898     wxFont fontToUse = m_font;
 899     if (theFont) fontToUse = *theFont;
 900
 901     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 902
 903     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 904
 905     int direction, ascent, descent2;
 906     XCharStruct overall;
 907     int slen = string.Len();
 908
 909 #if 0
 910     if (use16)
 911         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 912         &ascent, &descent2, &overall);
 913 #endif
 914
 915     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 916                  &direction, &ascent, &descent2, &overall);
 917
 918     if ( x )
 919         *x = (overall.width);
 920     if ( y )
 921         *y = (ascent + descent2);
 922     if (descent)
 923         *descent = descent2;
 924     if (externalLeading)
 925         *externalLeading = 0;
 926
 927 }
 928
 929 // ----------------------------------------------------------------------------
 930 // painting
 931 // ----------------------------------------------------------------------------
 932
 933 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 934 {
 935     if (eraseBack)
 936     {
 937         if (rect)
 938         {
 939             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 940             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 941         }
 942         else
 943         {
 944             int height,width;
 945             GetSize( &width, &height );
 946
 947             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 948             m_clearRegion.Clear();
 949             m_clearRegion.Union( 0, 0, width, height );
 950         }
 951     }
 952
 953     if (rect)
 954     {
 955          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 956          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 957     }
 958     else
 959     {
 960         int height,width;
 961         GetSize( &width, &height );
 962
 963         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 964         m_updateRegion.Clear();
 965         m_updateRegion.Union( 0, 0, width, height );
 966     }
 967 }
 968
 969 void wxWindowX11::Update()
 970 {
 971     if (!m_updateRegion.IsEmpty())
 972     {
 973         X11SendPaintEvents();
 974     }
 975 }
 976
 977 void wxWindowX11::Clear()
 978 {
 979     wxClientDC dc((wxWindow*) this);
 980     wxBrush brush(GetBackgroundColour(), wxSOLID);
 981     dc.SetBackground(brush);
 982     dc.Clear();
 983 }
 984
 985 void wxWindowX11::X11SendPaintEvents()
 986 {
 987     m_clipPaintRegion = TRUE;
 988
 989     //    if (!m_clearRegion.IsEmpty())
 990     {
 991         wxWindowDC dc( (wxWindow*)this );
 992         dc.SetClippingRegion( m_clearRegion );
 993
 994         wxEraseEvent erase_event( GetId(), &dc );
 995         erase_event.SetEventObject( this );
 996
 997         if (!GetEventHandler()->ProcessEvent(erase_event))
 998         {
 999             wxRegionIterator upd( m_clearRegion );
1000             while (upd)
1001             {
1002                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
1003                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
1004                 upd ++;
1005             }
1006         }
1007         m_clearRegion.Clear();
1008     }
1009
1010     wxNcPaintEvent nc_paint_event( GetId() );
1011     nc_paint_event.SetEventObject( this );
1012     GetEventHandler()->ProcessEvent( nc_paint_event );
1013
1014     wxPaintEvent paint_event( GetId() );
1015     paint_event.SetEventObject( this );
1016     GetEventHandler()->ProcessEvent( paint_event );
1017
1018     m_updateRegion.Clear();
1019
1020     m_clipPaintRegion = FALSE;
1021 }
1022
1023 // ----------------------------------------------------------------------------
1024 // event handlers
1025 // ----------------------------------------------------------------------------
1026
1027 // Responds to colour changes: passes event on to children.
1028 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1029 {
1030     wxWindowList::Node *node = GetChildren().GetFirst();
1031     while ( node )
1032     {
1033         // Only propagate to non-top-level windows
1034         wxWindow *win = node->GetData();
1035         if ( win->GetParent() )
1036         {
1037             wxSysColourChangedEvent event2;
1038             event.m_eventObject = win;
1039             win->GetEventHandler()->ProcessEvent(event2);
1040         }
1041
1042         node = node->GetNext();
1043     }
1044 }
1045
1046 void wxWindowX11::OnInternalIdle()
1047 {
1048     // Update invalidated regions.
1049     Update();
1050
1051     // This calls the UI-update mechanism (querying windows for
1052     // menu/toolbar/control state information)
1053     UpdateWindowUI();
1054
1055     // Set the input focus if couldn't do it before
1056     if (m_needsInputFocus)
1057         SetFocus();
1058 }
1059
1060 // ----------------------------------------------------------------------------
1061 // function which maintain the global hash table mapping Widgets to wxWindows
1062 // ----------------------------------------------------------------------------
1063
1064 bool wxAddWindowToTable(Window w, wxWindow *win)
1065 {
1066     wxWindow *oldItem = NULL;
1067     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1068     {
1069         wxLogDebug("Widget table clash: new widget is %ld, %s",
1070                    (long)w, win->GetClassInfo()->GetClassName());
1071         return FALSE;
1072     }
1073
1074     wxWidgetHashTable->Put((long) w, win);
1075
1076     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1077                w, win, win->GetClassInfo()->GetClassName());
1078
1079     return TRUE;
1080 }
1081
1082 wxWindow *wxGetWindowFromTable(Window w)
1083 {
1084     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1085 }
1086
1087 void wxDeleteWindowFromTable(Window w)
1088 {
1089     wxWidgetHashTable->Delete((long)w);
1090 }
1091
1092 // ----------------------------------------------------------------------------
1093 // add/remove window from the table
1094 // ----------------------------------------------------------------------------
1095
1096 // ----------------------------------------------------------------------------
1097 // X11-specific accessors
1098 // ----------------------------------------------------------------------------
1099
1100 // Get the underlying X window
1101 WXWindow wxWindowX11::GetXWindow() const
1102 {
1103     return GetMainWindow();
1104 }
1105
1106 // Get the underlying X display
1107 WXDisplay *wxWindowX11::GetXDisplay() const
1108 {
1109     return wxGetDisplay();
1110 }
1111
1112 WXWindow wxWindowX11::GetMainWindow() const
1113 {
1114     return m_mainWidget;
1115 }
1116
1117 // ----------------------------------------------------------------------------
1118 // TranslateXXXEvent() functions
1119 // ----------------------------------------------------------------------------
1120
1121 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1122 {
1123     switch (xevent->xany.type)
1124     {
1125         case EnterNotify:
1126         case LeaveNotify:
1127         case ButtonPress:
1128         case ButtonRelease:
1129         case MotionNotify:
1130         {
1131             wxEventType eventType = wxEVT_NULL;
1132
1133             if (xevent->xany.type == EnterNotify)
1134             {
1135                 //if (local_event.xcrossing.mode!=NotifyNormal)
1136                 //  return ; // Ignore grab events
1137                 eventType = wxEVT_ENTER_WINDOW;
1138                 //            canvas->GetEventHandler()->OnSetFocus();
1139             }
1140             else if (xevent->xany.type == LeaveNotify)
1141             {
1142                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1143                 //  return ; // Ignore grab events
1144                 eventType = wxEVT_LEAVE_WINDOW;
1145                 //            canvas->GetEventHandler()->OnKillFocus();
1146             }
1147             else if (xevent->xany.type == MotionNotify)
1148             {
1149                 eventType = wxEVT_MOTION;
1150             }
1151             else if (xevent->xany.type == ButtonPress)
1152             {
1153                 wxevent.SetTimestamp(xevent->xbutton.time);
1154                 int button = 0;
1155                 if (xevent->xbutton.button == Button1)
1156                 {
1157                     eventType = wxEVT_LEFT_DOWN;
1158                     button = 1;
1159                 }
1160                 else if (xevent->xbutton.button == Button2)
1161                 {
1162                     eventType = wxEVT_MIDDLE_DOWN;
1163                     button = 2;
1164                 }
1165                 else if (xevent->xbutton.button == Button3)
1166                 {
1167                     eventType = wxEVT_RIGHT_DOWN;
1168                     button = 3;
1169                 }
1170
1171                 // check for a double click
1172                 // TODO: where can we get this value from?
1173                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1174                 long dclickTime = 200;
1175                 long ts = wxevent.GetTimestamp();
1176
1177                 int buttonLast = win->GetLastClickedButton();
1178                 long lastTS = win->GetLastClickTime();
1179                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1180                 {
1181                     // I have a dclick
1182                     win->SetLastClick(0, ts);
1183                     if ( eventType == wxEVT_LEFT_DOWN )
1184                         eventType = wxEVT_LEFT_DCLICK;
1185                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1186                         eventType = wxEVT_MIDDLE_DCLICK;
1187                     else if ( eventType == wxEVT_RIGHT_DOWN )
1188                         eventType = wxEVT_RIGHT_DCLICK;
1189                 }
1190                 else
1191                 {
1192                     // not fast enough or different button
1193                     win->SetLastClick(button, ts);
1194                 }
1195             }
1196             else if (xevent->xany.type == ButtonRelease)
1197             {
1198                 if (xevent->xbutton.button == Button1)
1199                 {
1200                     eventType = wxEVT_LEFT_UP;
1201                 }
1202                 else if (xevent->xbutton.button == Button2)
1203                 {
1204                     eventType = wxEVT_MIDDLE_UP;
1205                 }
1206                 else if (xevent->xbutton.button == Button3)
1207                 {
1208                     eventType = wxEVT_RIGHT_UP;
1209                 }
1210                 else return FALSE;
1211             }
1212             else
1213             {
1214                 return FALSE;
1215             }
1216
1217             wxevent.SetEventType(eventType);
1218
1219             wxevent.m_x = xevent->xbutton.x;
1220             wxevent.m_y = xevent->xbutton.y;
1221
1222             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1223                 || (event_left_is_down (xevent)
1224                 && (eventType != wxEVT_LEFT_UP)));
1225             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1226                 || (event_middle_is_down (xevent)
1227                 && (eventType != wxEVT_MIDDLE_UP)));
1228             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1229                 || (event_right_is_down (xevent)
1230                 && (eventType != wxEVT_RIGHT_UP)));
1231
1232             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1233             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1234             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1235             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1236
1237             wxevent.SetId(win->GetId());
1238             wxevent.SetEventObject(win);
1239
1240             return TRUE;
1241         }
1242     }
1243     return FALSE;
1244 }
1245
1246 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1247 {
1248     switch (xevent->xany.type)
1249     {
1250     case KeyPress:
1251     case KeyRelease:
1252         {
1253             char buf[20];
1254
1255             KeySym keySym;
1256             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1257             int id = wxCharCodeXToWX (keySym);
1258
1259             if (xevent->xkey.state & ShiftMask)
1260                 wxevent.m_shiftDown = TRUE;
1261             if (xevent->xkey.state & ControlMask)
1262                 wxevent.m_controlDown = TRUE;
1263             if (xevent->xkey.state & Mod3Mask)
1264                 wxevent.m_altDown = TRUE;
1265             if (xevent->xkey.state & Mod1Mask)
1266                 wxevent.m_metaDown = TRUE;
1267             wxevent.SetEventObject(win);
1268             wxevent.m_keyCode = id;
1269             wxevent.SetTimestamp(xevent->xkey.time);
1270
1271             wxevent.m_x = xevent->xbutton.x;
1272             wxevent.m_y = xevent->xbutton.y;
1273
1274             if (id > -1)
1275                 return TRUE;
1276             else
1277                 return FALSE;
1278             break;
1279         }
1280     default:
1281         break;
1282     }
1283     return FALSE;
1284 }
1285
1286 // ----------------------------------------------------------------------------
1287 // Colour stuff
1288 // ----------------------------------------------------------------------------
1289
1290 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1291 {
1292     wxWindowBase::SetBackgroundColour(col);
1293
1294     if (!GetMainWindow())
1295         return FALSE;
1296
1297     Display *xdisplay = (Display*) wxGlobalDisplay();
1298     int xscreen = DefaultScreen( xdisplay );
1299     Colormap cm = DefaultColormap( xdisplay, xscreen );
1300
1301     wxColour colour( col );
1302     colour.CalcPixel( (WXColormap) cm );
1303
1304     XSetWindowAttributes attrib;
1305     attrib.background_pixel = colour.GetPixel();
1306
1307     XChangeWindowAttributes(wxGlobalDisplay(),
1308         (Window) GetMainWindow(),
1309         CWBackPixel,
1310         & attrib);
1311
1312     return TRUE;
1313 }
1314
1315 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1316 {
1317     if ( !wxWindowBase::SetForegroundColour(col) )
1318         return FALSE;
1319
1320     return TRUE;
1321 }
1322
1323 // ----------------------------------------------------------------------------
1324 // global functions
1325 // ----------------------------------------------------------------------------
1326
1327 wxWindow *wxGetActiveWindow()
1328 {
1329     // TODO
1330     wxFAIL_MSG("Not implemented");
1331     return NULL;
1332 }
1333
1334 /* static */
1335 wxWindow *wxWindowBase::GetCapture()
1336 {
1337     return (wxWindow *)g_captureWindow;
1338 }
1339
1340
1341 // Find the wxWindow at the current mouse position, returning the mouse
1342 // position.
1343 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1344 {
1345     return wxFindWindowAtPoint(wxGetMousePosition());
1346 }
1347
1348 // Get the current mouse position.
1349 wxPoint wxGetMousePosition()
1350 {
1351     Display *display = wxGlobalDisplay();
1352     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1353     Window rootReturn, childReturn;
1354     int rootX, rootY, winX, winY;
1355     unsigned int maskReturn;
1356
1357     XQueryPointer (display,
1358                    rootWindow,
1359                    &rootReturn,
1360                    &childReturn,
1361                    &rootX, &rootY, &winX, &winY, &maskReturn);
1362     return wxPoint(rootX, rootY);
1363 }
1364
1365
1366 // ----------------------------------------------------------------------------
1367 // wxNoOptimize: switch off size optimization
1368 // ----------------------------------------------------------------------------
1369
1370 int wxNoOptimize::ms_count = 0;
1371