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 // constants
  54 // ----------------------------------------------------------------------------
  55
  56 static const int SCROLL_MARGIN = 4;
  57
  58 // ----------------------------------------------------------------------------
  59 // global variables for this module
  60 // ----------------------------------------------------------------------------
  61
  62 extern wxHashTable *wxWidgetHashTable;
  63 static wxWindow* g_captureWindow = NULL;
  64
  65 // ----------------------------------------------------------------------------
  66 // macros
  67 // ----------------------------------------------------------------------------
  68
  69 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  70 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  71 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  72
  73 // ----------------------------------------------------------------------------
  74 // event tables
  75 // ----------------------------------------------------------------------------
  76
  77 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  78
  79 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  80     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  81     EVT_IDLE(wxWindowX11::OnIdle)
  82 END_EVENT_TABLE()
  83
  84 // ============================================================================
  85 // implementation
  86 // ============================================================================
  87
  88 // ----------------------------------------------------------------------------
  89 // helper functions
  90 // ----------------------------------------------------------------------------
  91
  92 // ----------------------------------------------------------------------------
  93 // constructors
  94 // ----------------------------------------------------------------------------
  95
  96 void wxWindowX11::Init()
  97 {
  98     // generic initializations first
  99     InitBase();
 100
 101     // X11-specific
 102     m_mainWidget = (WXWindow) 0;
 103
 104     m_winCaptured = FALSE;
 105
 106     m_isShown = TRUE;
 107     m_isBeingDeleted = FALSE;
 108
 109     m_lastTS = 0;
 110     m_lastButton = 0;
 111 }
 112
 113 // real construction (Init() must have been called before!)
 114 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 115                       const wxPoint& pos,
 116                       const wxSize& size,
 117                       long style,
 118                       const wxString& name)
 119 {
 120     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 121
 122     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 123
 124     if (parent)
 125         parent->AddChild(this);
 126
 127     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 128     m_foregroundColour = *wxBLACK;
 129
 130     int w = size.GetWidth();
 131     int h = size.GetHeight();
 132     int x = size.GetX();
 133     int y = size.GetY();
 134     if (w == -1) w = 20;
 135     if (h == -1) h = 20;
 136     if (x == -1) x = 0;
 137     if (y == -1) y = 0;
 138
 139     int screen = DefaultScreen(wxGlobalDisplay());
 140
 141     Window parentWindow;
 142     if (parent)
 143         parentWindow = (Window) parent->GetMainWindow();
 144     else
 145         parentWindow = RootWindow(wxGlobalDisplay(), screen);
 146
 147     Window window = XCreateSimpleWindow(wxGlobalDisplay(), parentWindow,
 148         x, y, w, h, 0,
 149         m_backgroundColour.AllocColour(wxGlobalDisplay()),
 150         m_foregroundColour.AllocColour(wxGlobalDisplay()));
 151
 152     // Select event types wanted
 153     XSelectInput(wxGlobalDisplay(), window,
 154         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 155         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 156         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 157         PropertyChangeMask);
 158
 159     wxAddWindowToTable(window, (wxWindow*) this);
 160
 161     // Is a subwindow, so map immediately
 162     m_isShown = TRUE;
 163     XMapWindow(wxGlobalDisplay(), window);
 164
 165     // Without this, the cursor may not be restored properly (e.g. in splitter
 166     // sample).
 167     SetCursor(*wxSTANDARD_CURSOR);
 168     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 169     SetSize(pos.x, pos.y, size.x, size.y);
 170
 171     return TRUE;
 172 }
 173
 174 // Destructor
 175 wxWindowX11::~wxWindowX11()
 176 {
 177     if (g_captureWindow == this)
 178         g_captureWindow = NULL;
 179
 180     m_isBeingDeleted = TRUE;
 181
 182     // X11-specific actions first
 183     Window main = (Window) m_mainWidget;
 184     if ( main )
 185     {
 186         // Removes event handlers
 187         //DetachWidget(main);
 188     }
 189
 190     if (m_parent)
 191         m_parent->RemoveChild( this );
 192
 193     DestroyChildren();
 194
 195     // Destroy the window
 196     if (main)
 197     {
 198         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 199         wxDeleteWindowFromTable( main );
 200         XDestroyWindow( wxGlobalDisplay(), main );
 201         m_mainWidget = NULL;
 202     }
 203 }
 204
 205 // ---------------------------------------------------------------------------
 206 // basic operations
 207 // ---------------------------------------------------------------------------
 208
 209 void wxWindowX11::SetFocus()
 210 {
 211     Window wMain = (Window) GetMainWindow();
 212     if (wMain)
 213     {
 214         XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
 215
 216         XWMHints wmhints;
 217         wmhints.flags = InputHint;
 218         wmhints.input = True;
 219         XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
 220     }
 221 }
 222
 223 // Get the window with the focus
 224 wxWindow *wxWindowBase::FindFocus()
 225 {
 226     Window wFocus = (Window) 0;
 227     int revert = 0;
 228
 229     XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
 230     if (wFocus)
 231     {
 232         wxWindow *win = NULL;
 233         do
 234         {
 235             win = wxGetWindowFromTable(wFocus);
 236             wFocus = wxGetWindowParent(wFocus);
 237         } while (wFocus && !win);
 238
 239         return win;
 240     }
 241
 242     return NULL;
 243 }
 244
 245 // Enabling/disabling handled by event loop, and not sending events
 246 // if disabled.
 247 bool wxWindowX11::Enable(bool enable)
 248 {
 249     if ( !wxWindowBase::Enable(enable) )
 250         return FALSE;
 251
 252     return TRUE;
 253 }
 254
 255 bool wxWindowX11::Show(bool show)
 256 {
 257     if ( !wxWindowBase::Show(show) )
 258         return FALSE;
 259
 260     Window xwin = (Window) GetXWindow();
 261     Display *xdisp = (Display*) GetXDisplay();
 262     if (show)
 263     {
 264         XMapWindow(xdisp, xwin);
 265     }
 266     else
 267     {
 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     g_captureWindow = (wxWindow*) this;
 291     if ( m_winCaptured )
 292         return;
 293
 294     if (GetMainWindow())
 295     {
 296         int res = XGrabPointer(wxGlobalDisplay(), (Window) GetMainWindow(),
 297             FALSE,
 298             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 299             GrabModeAsync,
 300                 GrabModeAsync,
 301             None,
 302             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 303             CurrentTime);
 304
 305         if (res != GrabSuccess)
 306         {
 307             wxLogDebug("Failed to grab pointer.");
 308             return;
 309         }
 310
 311         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 312             (Window) GetMainWindow(),
 313             FALSE,
 314             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 315                 GrabModeAsync,
 316                 GrabModeAsync,
 317             None,
 318             None);
 319
 320         if (res != GrabSuccess)
 321         {
 322             wxLogDebug("Failed to grab mouse buttons.");
 323             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 324             return;
 325         }
 326
 327         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 328             FALSE,
 329             GrabModeAsync,
 330                 GrabModeAsync,
 331             CurrentTime);
 332
 333         if (res != GrabSuccess)
 334         {
 335             wxLogDebug("Failed to grab keyboard.");
 336             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 337             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 338                 (Window) GetMainWindow());
 339             return;
 340         }
 341
 342         m_winCaptured = TRUE;
 343     }
 344 }
 345
 346 void wxWindowX11::DoReleaseMouse()
 347 {
 348     g_captureWindow = NULL;
 349     if ( !m_winCaptured )
 350         return;
 351
 352     Window wMain = (Window)GetMainWindow();
 353
 354     if ( wMain )
 355     {
 356         XUngrabPointer(wxGlobalDisplay(), wMain);
 357         XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 358                 wMain);
 359         XUngrabKeyboard(wxGlobalDisplay(), CurrentTime);
 360     }
 361
 362     m_winCaptured = FALSE;
 363 }
 364
 365 bool wxWindowX11::SetFont(const wxFont& font)
 366 {
 367     if ( !wxWindowBase::SetFont(font) )
 368     {
 369         // nothing to do
 370         return FALSE;
 371     }
 372
 373     return TRUE;
 374 }
 375
 376 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 377 {
 378     if ( !wxWindowBase::SetCursor(cursor) )
 379     {
 380         // no change
 381         return FALSE;
 382     }
 383
 384     wxCursor* cursor2 = NULL;
 385     if (m_cursor.Ok())
 386         cursor2 = & m_cursor;
 387     else
 388         cursor2 = wxSTANDARD_CURSOR;
 389
 390     WXDisplay *dpy = GetXDisplay();
 391     WXCursor x_cursor = cursor2->GetXCursor(dpy);
 392
 393     Window win = (Window) GetMainWindow();
 394     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 395
 396     return TRUE;
 397 }
 398
 399 // Coordinates relative to the window
 400 void wxWindowX11::WarpPointer (int x, int y)
 401 {
 402     if (m_mainWidget)
 403         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 404 }
 405
 406 // Does a physical scroll
 407 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 408 {
 409     int x, y, w, h;
 410     if (rect)
 411     {
 412         // Use specified rectangle
 413         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 414     }
 415     else
 416     {
 417         // Use whole client area
 418         x = 0; y = 0;
 419         GetClientSize(& w, & h);
 420     }
 421
 422     wxNode *cnode = m_children.First();
 423     while (cnode)
 424     {
 425         wxWindow *child = (wxWindow*) cnode->Data();
 426         int sx = 0;
 427         int sy = 0;
 428         child->GetSize( &sx, &sy );
 429         wxPoint pos( child->GetPosition() );
 430         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 431         cnode = cnode->Next();
 432     }
 433
 434     int x1 = (dx >= 0) ? x : x - dx;
 435     int y1 = (dy >= 0) ? y : y - dy;
 436     int w1 = w - abs(dx);
 437     int h1 = h - abs(dy);
 438     int x2 = (dx >= 0) ? x + dx : x;
 439     int y2 = (dy >= 0) ? y + dy : y;
 440
 441     wxClientDC dc((wxWindow*) this);
 442
 443     dc.SetLogicalFunction (wxCOPY);
 444
 445     Window window = (Window) GetMainWindow();
 446     Display* display = wxGlobalDisplay();
 447
 448     XCopyArea(display, window, window, (GC) dc.GetGC(),
 449         x1, y1, w1, h1, x2, y2);
 450
 451     dc.SetAutoSetting(TRUE);
 452     wxBrush brush(GetBackgroundColour(), wxSOLID);
 453     dc.SetBrush(brush); // FIXME: needed?
 454
 455     // We'll add rectangles to the list of update rectangles according to which
 456     // bits we've exposed.
 457     wxList updateRects;
 458
 459     if (dx > 0)
 460     {
 461         wxRect *rect = new wxRect;
 462         rect->x = x;
 463         rect->y = y;
 464         rect->width = dx;
 465         rect->height = h;
 466
 467         XFillRectangle(display, window,
 468             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 469
 470         rect->x = rect->x;
 471         rect->y = rect->y;
 472         rect->width = rect->width;
 473         rect->height = rect->height;
 474
 475         updateRects.Append((wxObject*) rect);
 476     }
 477     else if (dx < 0)
 478     {
 479         wxRect *rect = new wxRect;
 480
 481         rect->x = x + w + dx;
 482         rect->y = y;
 483         rect->width = -dx;
 484         rect->height = h;
 485
 486         XFillRectangle(display, window,
 487             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 488             rect->height);
 489
 490         rect->x = rect->x;
 491         rect->y = rect->y;
 492         rect->width = rect->width;
 493         rect->height = rect->height;
 494
 495         updateRects.Append((wxObject*) rect);
 496     }
 497     if (dy > 0)
 498     {
 499         wxRect *rect = new wxRect;
 500
 501         rect->x = x;
 502         rect->y = y;
 503         rect->width = w;
 504         rect->height = dy;
 505
 506         XFillRectangle(display, window,
 507             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 508
 509         rect->x = rect->x;
 510         rect->y = rect->y;
 511         rect->width = rect->width;
 512         rect->height = rect->height;
 513
 514         updateRects.Append((wxObject*) rect);
 515     }
 516     else if (dy < 0)
 517     {
 518         wxRect *rect = new wxRect;
 519
 520         rect->x = x;
 521         rect->y = y + h + dy;
 522         rect->width = w;
 523         rect->height = -dy;
 524
 525         XFillRectangle(display, window,
 526             (GC) dc.GetGC(), rect->x, rect->y, rect->width, 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     dc.SetBrush(wxNullBrush);
 536
 537     // Now send expose events
 538
 539     wxNode* node = updateRects.First();
 540     while (node)
 541     {
 542         wxRect* rect = (wxRect*) node->Data();
 543         XExposeEvent event;
 544
 545         event.type = Expose;
 546         event.display = display;
 547         event.send_event = True;
 548         event.window = window;
 549
 550         event.x = rect->x;
 551         event.y = rect->y;
 552         event.width = rect->width;
 553         event.height = rect->height;
 554
 555         event.count = 0;
 556
 557         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 558
 559         node = node->Next();
 560
 561     }
 562
 563     // Delete the update rects
 564     node = updateRects.First();
 565     while (node)
 566     {
 567         wxRect* rect = (wxRect*) node->Data();
 568         delete rect;
 569         node = node->Next();
 570     }
 571
 572     // TODO
 573
 574     // XmUpdateDisplay((Widget) GetMainWidget());
 575 }
 576
 577 // ---------------------------------------------------------------------------
 578 // drag and drop
 579 // ---------------------------------------------------------------------------
 580
 581 #if wxUSE_DRAG_AND_DROP
 582
 583 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 584 {
 585     // TODO
 586 }
 587
 588 #endif
 589
 590 // Old style file-manager drag&drop
 591 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 592 {
 593     // TODO
 594 }
 595
 596 // ----------------------------------------------------------------------------
 597 // tooltips
 598 // ----------------------------------------------------------------------------
 599
 600 #if wxUSE_TOOLTIPS
 601
 602 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 603 {
 604     // TODO
 605 }
 606
 607 #endif // wxUSE_TOOLTIPS
 608
 609 // ---------------------------------------------------------------------------
 610 // moving and resizing
 611 // ---------------------------------------------------------------------------
 612
 613 bool wxWindowX11::PreResize()
 614 {
 615     return TRUE;
 616 }
 617
 618 // Get total size
 619 void wxWindowX11::DoGetSize(int *x, int *y) const
 620 {
 621     Window window = (Window) m_mainWidget;
 622     if (window)
 623     {
 624         XWindowAttributes attr;
 625         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 626         wxASSERT(status);
 627
 628         if (status)
 629         {
 630             *x = attr.width /* + 2*m_borderSize */ ;
 631             *y = attr.height /* + 2*m_borderSize */ ;
 632         }
 633     }
 634 }
 635
 636 void wxWindowX11::DoGetPosition(int *x, int *y) const
 637 {
 638     Window window = (Window) m_mainWidget;
 639     if (window)
 640     {
 641         XWindowAttributes attr;
 642         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 643         wxASSERT(status);
 644
 645         if (status)
 646         {
 647             *x = attr.x;
 648             *y = attr.y;
 649
 650             // We may be faking the client origin. So a window that's really at (0, 30)
 651             // may appear (to wxWin apps) to be at (0, 0).
 652             if (GetParent())
 653             {
 654                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 655                 *x -= pt.x;
 656                 *y -= pt.y;
 657             }
 658         }
 659     }
 660 }
 661
 662 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 663 {
 664     Display *display = wxGlobalDisplay();
 665     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 666     Window thisWindow = (Window) m_mainWidget;
 667
 668     Window childWindow;
 669     int xx = *x;
 670     int yy = *y;
 671     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 672 }
 673
 674 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 675 {
 676     Display *display = wxGlobalDisplay();
 677     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 678     Window thisWindow = (Window) m_mainWidget;
 679
 680     Window childWindow;
 681     int xx = *x;
 682     int yy = *y;
 683     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 684 }
 685
 686
 687 // Get size *available for subwindows* i.e. excluding menu bar etc.
 688 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 689 {
 690     Window window = (Window) m_mainWidget;
 691
 692     if (window)
 693     {
 694         XWindowAttributes attr;
 695         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 696         wxASSERT(status);
 697
 698         if (status)
 699         {
 700             *x = attr.width ;
 701             *y = attr.height ;
 702         }
 703     }
 704 }
 705
 706 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 707 {
 708     if (!GetMainWindow())
 709         return;
 710
 711     XWindowChanges windowChanges;
 712     int valueMask = 0;
 713
 714     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 715     {
 716         windowChanges.x = x;
 717         valueMask |= CWX;
 718     }
 719     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 720     {
 721         windowChanges.y = y;
 722         valueMask |= CWY;
 723     }
 724     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 725     {
 726         windowChanges.width = width /* - m_borderSize*2 */;
 727         valueMask |= CWWidth;
 728     }
 729     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 730     {
 731         windowChanges.height = height /* -m_borderSize*2*/;
 732         valueMask |= CWHeight;
 733     }
 734     AdjustForParentClientOrigin( x, y, sizeFlags);
 735
 736     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 737         valueMask, & windowChanges);
 738 }
 739
 740 void wxWindowX11::DoSetClientSize(int width, int height)
 741 {
 742     if (!GetMainWindow())
 743         return;
 744
 745     XWindowChanges windowChanges;
 746     int valueMask = 0;
 747
 748     if (width != -1)
 749     {
 750         windowChanges.width = width ;
 751         valueMask |= CWWidth;
 752     }
 753     if (height != -1)
 754     {
 755         windowChanges.height = height ;
 756         valueMask |= CWHeight;
 757     }
 758     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 759         valueMask, & windowChanges);
 760 }
 761
 762 // For implementation purposes - sometimes decorations make the client area
 763 // smaller
 764 wxPoint wxWindowX11::GetClientAreaOrigin() const
 765 {
 766     return wxPoint(0, 0);
 767 }
 768
 769 // Makes an adjustment to the window position (for example, a frame that has
 770 // a toolbar that it manages itself).
 771 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 772 {
 773     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 774     {
 775         wxPoint pt(GetParent()->GetClientAreaOrigin());
 776         x += pt.x; y += pt.y;
 777     }
 778 }
 779
 780 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 781 {
 782     m_minWidth = minW;
 783     m_minHeight = minH;
 784     m_maxWidth = maxW;
 785     m_maxHeight = maxH;
 786
 787     XSizeHints sizeHints;
 788     sizeHints.flags = 0;
 789
 790     if (minW > -1 && minH > -1)
 791     {
 792         sizeHints.flags |= PMinSize;
 793         sizeHints.min_width = minW;
 794         sizeHints.min_height = minH;
 795     }
 796     if (maxW > -1 && maxH > -1)
 797     {
 798         sizeHints.flags |= PMaxSize;
 799         sizeHints.max_width = maxW;
 800         sizeHints.max_height = maxH;
 801     }
 802     if (incW > -1 && incH > -1)
 803     {
 804         sizeHints.flags |= PResizeInc;
 805         sizeHints.width_inc = incW;
 806         sizeHints.height_inc = incH;
 807     }
 808
 809     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 810 }
 811
 812 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 813 {
 814     DoSetSize(x, y, width, height);
 815 }
 816
 817 // ---------------------------------------------------------------------------
 818 // text metrics
 819 // ---------------------------------------------------------------------------
 820
 821 int wxWindowX11::GetCharHeight() const
 822 {
 823     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 824
 825     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 826
 827     int direction, ascent, descent;
 828     XCharStruct overall;
 829     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 830         &descent, &overall);
 831
 832     //  return (overall.ascent + overall.descent);
 833     return (ascent + descent);
 834 }
 835
 836 int wxWindowX11::GetCharWidth() const
 837 {
 838     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 839
 840     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 841
 842     int direction, ascent, descent;
 843     XCharStruct overall;
 844     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 845         &descent, &overall);
 846
 847     return overall.width;
 848 }
 849
 850 void wxWindowX11::GetTextExtent(const wxString& string,
 851                              int *x, int *y,
 852                              int *descent, int *externalLeading,
 853                              const wxFont *theFont) const
 854 {
 855     wxFont *fontToUse = (wxFont *)theFont;
 856     if (!fontToUse)
 857         fontToUse = (wxFont *) & m_font;
 858
 859     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
 860
 861     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
 862
 863     int direction, ascent, descent2;
 864     XCharStruct overall;
 865     int slen = string.Len();
 866
 867 #if 0
 868     if (use16)
 869         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 870         &ascent, &descent2, &overall);
 871 #endif
 872
 873     XTextExtents((XFontStruct*) pFontStruct, string, slen,
 874                  &direction, &ascent, &descent2, &overall);
 875
 876     if ( x )
 877         *x = (overall.width);
 878     if ( y )
 879         *y = (ascent + descent2);
 880     if (descent)
 881         *descent = descent2;
 882     if (externalLeading)
 883         *externalLeading = 0;
 884
 885 }
 886
 887 // ----------------------------------------------------------------------------
 888 // painting
 889 // ----------------------------------------------------------------------------
 890
 891 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 892 {
 893     if (eraseBack)
 894     {
 895         if (rect)
 896         {
 897             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 898             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 899         }
 900         else
 901         {
 902             int height,width;
 903             GetSize( &width, &height );
 904
 905             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 906             m_clearRegion.Clear();
 907             m_clearRegion.Union( 0, 0, width, height );
 908         }
 909     }
 910
 911     if (rect)
 912     {
 913          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 914          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 915     }
 916     else
 917     {
 918        int height,width;
 919        GetSize( &width, &height );
 920
 921         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 922         m_updateRegion.Clear();
 923         m_updateRegion.Union( 0, 0, width, height );
 924     }
 925
 926     // Actually don't schedule yet..
 927     Update();
 928 }
 929
 930 void wxWindowX11::Update()
 931 {
 932     if (!m_updateRegion.IsEmpty())
 933     {
 934         X11SendPaintEvents();
 935     }
 936 }
 937
 938 void wxWindowX11::Clear()
 939 {
 940     wxClientDC dc((wxWindow*) this);
 941     wxBrush brush(GetBackgroundColour(), wxSOLID);
 942     dc.SetBackground(brush);
 943     dc.Clear();
 944 }
 945
 946 void wxWindowX11::X11SendPaintEvents()
 947 {
 948     m_clipPaintRegion = TRUE;
 949
 950     if (!m_clearRegion.IsEmpty())
 951     {
 952         wxWindowDC dc( (wxWindow*)this );
 953         dc.SetClippingRegion( m_clearRegion );
 954
 955         wxEraseEvent erase_event( GetId(), &dc );
 956         erase_event.SetEventObject( this );
 957
 958         if (!GetEventHandler()->ProcessEvent(erase_event))
 959         {
 960             wxRegionIterator upd( m_clearRegion );
 961             while (upd)
 962             {
 963                 // XClearArea( ... , upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
 964                 upd ++;
 965             }
 966         }
 967         m_clearRegion.Clear();
 968     }
 969
 970     wxNcPaintEvent nc_paint_event( GetId() );
 971     nc_paint_event.SetEventObject( this );
 972     GetEventHandler()->ProcessEvent( nc_paint_event );
 973
 974     wxPaintEvent paint_event( GetId() );
 975     paint_event.SetEventObject( this );
 976     GetEventHandler()->ProcessEvent( paint_event );
 977
 978     m_clipPaintRegion = FALSE;
 979 }
 980
 981 // ----------------------------------------------------------------------------
 982 // event handlers
 983 // ----------------------------------------------------------------------------
 984
 985 // Responds to colour changes: passes event on to children.
 986 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
 987 {
 988     wxWindowList::Node *node = GetChildren().GetFirst();
 989     while ( node )
 990     {
 991         // Only propagate to non-top-level windows
 992         wxWindow *win = node->GetData();
 993         if ( win->GetParent() )
 994         {
 995             wxSysColourChangedEvent event2;
 996             event.m_eventObject = win;
 997             win->GetEventHandler()->ProcessEvent(event2);
 998         }
 999
1000         node = node->GetNext();
1001     }
1002 }
1003
1004 void wxWindowX11::OnIdle(wxIdleEvent& WXUNUSED(event))
1005 {
1006     // This calls the UI-update mechanism (querying windows for
1007     // menu/toolbar/control state information)
1008     UpdateWindowUI();
1009 }
1010
1011 // ----------------------------------------------------------------------------
1012 // function which maintain the global hash table mapping Widgets to wxWindows
1013 // ----------------------------------------------------------------------------
1014
1015 bool wxAddWindowToTable(Window w, wxWindow *win)
1016 {
1017     wxWindow *oldItem = NULL;
1018     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1019     {
1020         wxLogDebug("Widget table clash: new widget is %ld, %s",
1021                    (long)w, win->GetClassInfo()->GetClassName());
1022         return FALSE;
1023     }
1024
1025     wxWidgetHashTable->Put((long) w, win);
1026
1027     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1028                w, win, win->GetClassInfo()->GetClassName());
1029
1030     return TRUE;
1031 }
1032
1033 wxWindow *wxGetWindowFromTable(Window w)
1034 {
1035     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1036 }
1037
1038 void wxDeleteWindowFromTable(Window w)
1039 {
1040     wxWidgetHashTable->Delete((long)w);
1041 }
1042
1043 // ----------------------------------------------------------------------------
1044 // add/remove window from the table
1045 // ----------------------------------------------------------------------------
1046
1047 // ----------------------------------------------------------------------------
1048 // X11-specific accessors
1049 // ----------------------------------------------------------------------------
1050
1051 // Get the underlying X window
1052 WXWindow wxWindowX11::GetXWindow() const
1053 {
1054     return GetMainWindow();
1055 }
1056
1057 // Get the underlying X display
1058 WXDisplay *wxWindowX11::GetXDisplay() const
1059 {
1060     return wxGetDisplay();
1061 }
1062
1063 WXWindow wxWindowX11::GetMainWindow() const
1064 {
1065     return m_mainWidget;
1066 }
1067
1068 // ----------------------------------------------------------------------------
1069 // TranslateXXXEvent() functions
1070 // ----------------------------------------------------------------------------
1071
1072 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1073 {
1074     switch (xevent->xany.type)
1075     {
1076         case EnterNotify:
1077         case LeaveNotify:
1078         case ButtonPress:
1079         case ButtonRelease:
1080         case MotionNotify:
1081         {
1082             wxEventType eventType = wxEVT_NULL;
1083
1084             if (xevent->xany.type == EnterNotify)
1085             {
1086                 //if (local_event.xcrossing.mode!=NotifyNormal)
1087                 //  return ; // Ignore grab events
1088                 eventType = wxEVT_ENTER_WINDOW;
1089                 //            canvas->GetEventHandler()->OnSetFocus();
1090             }
1091             else if (xevent->xany.type == LeaveNotify)
1092             {
1093                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1094                 //  return ; // Ignore grab events
1095                 eventType = wxEVT_LEAVE_WINDOW;
1096                 //            canvas->GetEventHandler()->OnKillFocus();
1097             }
1098             else if (xevent->xany.type == MotionNotify)
1099             {
1100                 eventType = wxEVT_MOTION;
1101             }
1102             else if (xevent->xany.type == ButtonPress)
1103             {
1104                 wxevent.SetTimestamp(xevent->xbutton.time);
1105                 int button = 0;
1106                 if (xevent->xbutton.button == Button1)
1107                 {
1108                     eventType = wxEVT_LEFT_DOWN;
1109                     button = 1;
1110                 }
1111                 else if (xevent->xbutton.button == Button2)
1112                 {
1113                     eventType = wxEVT_MIDDLE_DOWN;
1114                     button = 2;
1115                 }
1116                 else if (xevent->xbutton.button == Button3)
1117                 {
1118                     eventType = wxEVT_RIGHT_DOWN;
1119                     button = 3;
1120                 }
1121
1122                 // check for a double click
1123                 // TODO: where can we get this value from?
1124                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1125                 long dclickTime = 200;
1126                 long ts = wxevent.GetTimestamp();
1127
1128                 int buttonLast = win->GetLastClickedButton();
1129                 long lastTS = win->GetLastClickTime();
1130                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1131                 {
1132                     // I have a dclick
1133                     win->SetLastClick(0, ts);
1134                     if ( eventType == wxEVT_LEFT_DOWN )
1135                         eventType = wxEVT_LEFT_DCLICK;
1136                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1137                         eventType = wxEVT_MIDDLE_DCLICK;
1138                     else if ( eventType == wxEVT_RIGHT_DOWN )
1139                         eventType = wxEVT_RIGHT_DCLICK;
1140                 }
1141                 else
1142                 {
1143                     // not fast enough or different button
1144                     win->SetLastClick(button, ts);
1145                 }
1146             }
1147             else if (xevent->xany.type == ButtonRelease)
1148             {
1149                 if (xevent->xbutton.button == Button1)
1150                 {
1151                     eventType = wxEVT_LEFT_UP;
1152                 }
1153                 else if (xevent->xbutton.button == Button2)
1154                 {
1155                     eventType = wxEVT_MIDDLE_UP;
1156                 }
1157                 else if (xevent->xbutton.button == Button3)
1158                 {
1159                     eventType = wxEVT_RIGHT_UP;
1160                 }
1161                 else return FALSE;
1162             }
1163             else
1164             {
1165                 return FALSE;
1166             }
1167
1168             wxevent.SetEventType(eventType);
1169
1170             wxevent.m_x = xevent->xbutton.x;
1171             wxevent.m_y = xevent->xbutton.y;
1172
1173             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1174                 || (event_left_is_down (xevent)
1175                 && (eventType != wxEVT_LEFT_UP)));
1176             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1177                 || (event_middle_is_down (xevent)
1178                 && (eventType != wxEVT_MIDDLE_UP)));
1179             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1180                 || (event_right_is_down (xevent)
1181                 && (eventType != wxEVT_RIGHT_UP)));
1182
1183             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1184             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1185             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1186             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1187
1188             wxevent.SetId(win->GetId());
1189             wxevent.SetEventObject(win);
1190
1191             return TRUE;
1192         }
1193     }
1194     return FALSE;
1195 }
1196
1197 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1198 {
1199     switch (xevent->xany.type)
1200     {
1201     case KeyPress:
1202     case KeyRelease:
1203         {
1204             char buf[20];
1205
1206             KeySym keySym;
1207             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1208             int id = wxCharCodeXToWX (keySym);
1209
1210             if (xevent->xkey.state & ShiftMask)
1211                 wxevent.m_shiftDown = TRUE;
1212             if (xevent->xkey.state & ControlMask)
1213                 wxevent.m_controlDown = TRUE;
1214             if (xevent->xkey.state & Mod3Mask)
1215                 wxevent.m_altDown = TRUE;
1216             if (xevent->xkey.state & Mod1Mask)
1217                 wxevent.m_metaDown = TRUE;
1218             wxevent.SetEventObject(win);
1219             wxevent.m_keyCode = id;
1220             wxevent.SetTimestamp(xevent->xkey.time);
1221
1222             wxevent.m_x = xevent->xbutton.x;
1223             wxevent.m_y = xevent->xbutton.y;
1224
1225             if (id > -1)
1226                 return TRUE;
1227             else
1228                 return FALSE;
1229             break;
1230         }
1231     default:
1232         break;
1233     }
1234     return FALSE;
1235 }
1236
1237 // ----------------------------------------------------------------------------
1238 // Colour stuff
1239 // ----------------------------------------------------------------------------
1240
1241 #if 0
1242
1243 #define YAllocColor XAllocColor
1244 XColor g_itemColors[5];
1245 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1246 {
1247     int result;
1248     static XmColorProc colorProc;
1249
1250     result = wxNO_COLORS;
1251
1252     if (back)
1253     {
1254         g_itemColors[0].red = (((long) back->Red ()) << 8);
1255         g_itemColors[0].green = (((long) back->Green ()) << 8);
1256         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1257         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1258         if (colorProc == (XmColorProc) NULL)
1259         {
1260             // Get a ptr to the actual function
1261             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1262             // And set it back to motif.
1263             XmSetColorCalculation (colorProc);
1264         }
1265         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1266             &g_itemColors[wxFORE_INDEX],
1267             &g_itemColors[wxSELE_INDEX],
1268             &g_itemColors[wxTOPS_INDEX],
1269             &g_itemColors[wxBOTS_INDEX]);
1270         result = wxBACK_COLORS;
1271     }
1272     if (fore)
1273     {
1274         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1275         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1276         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1277         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1278         if (result == wxNO_COLORS)
1279             result = wxFORE_COLORS;
1280     }
1281
1282     Display *dpy = display;
1283     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1284
1285     if (back)
1286     {
1287         /* 5 Colours to allocate */
1288         for (int i = 0; i < 5; i++)
1289             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1290                 result = wxNO_COLORS;
1291     }
1292     else if (fore)
1293     {
1294         /* Only 1 colour to allocate */
1295         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1296             result = wxNO_COLORS;
1297     }
1298
1299     return (result);
1300
1301 }
1302 #endif
1303
1304 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1305 {
1306     if ( !wxWindowBase::SetBackgroundColour(col) )
1307         return FALSE;
1308
1309     if (!GetMainWindow())
1310         return FALSE;
1311
1312     XSetWindowAttributes attrib;
1313     attrib.background_pixel = ((wxColour&)col).AllocColour(wxGlobalDisplay());
1314
1315     XChangeWindowAttributes(wxGlobalDisplay(),
1316         (Window) GetMainWindow(),
1317         CWBackPixel,
1318         & attrib);
1319
1320     return TRUE;
1321 }
1322
1323 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1324 {
1325     if ( !wxWindowBase::SetForegroundColour(col) )
1326         return FALSE;
1327
1328     return TRUE;
1329 }
1330
1331 // ----------------------------------------------------------------------------
1332 // global functions
1333 // ----------------------------------------------------------------------------
1334
1335 wxWindow *wxGetActiveWindow()
1336 {
1337     // TODO
1338     wxFAIL_MSG("Not implemented");
1339     return NULL;
1340 }
1341
1342 /* static */
1343 wxWindow *wxWindowBase::GetCapture()
1344 {
1345     return (wxWindow *)g_captureWindow;
1346 }
1347
1348
1349 // Find the wxWindow at the current mouse position, returning the mouse
1350 // position.
1351 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1352 {
1353     return wxFindWindowAtPoint(wxGetMousePosition());
1354 }
1355
1356 // Get the current mouse position.
1357 wxPoint wxGetMousePosition()
1358 {
1359     Display *display = wxGlobalDisplay();
1360     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1361     Window rootReturn, childReturn;
1362     int rootX, rootY, winX, winY;
1363     unsigned int maskReturn;
1364
1365     XQueryPointer (display,
1366                    rootWindow,
1367                    &rootReturn,
1368                    &childReturn,
1369                    &rootX, &rootY, &winX, &winY, &maskReturn);
1370     return wxPoint(rootX, rootY);
1371 }
1372
1373
1374 // ----------------------------------------------------------------------------
1375 // wxNoOptimize: switch off size optimization
1376 // ----------------------------------------------------------------------------
1377
1378 int wxNoOptimize::ms_count = 0;
1379