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     parent->AddChild(this);
 125
 126     int w = size.GetWidth();
 127     int h = size.GetHeight();
 128     int x = size.GetX();
 129     int y = size.GetY();
 130     if (w == -1) w = 20;
 131     if (h == -1) h = 20;
 132     if (x == -1) x = 0;
 133     if (y == -1) y = 0;
 134
 135     Display *xdisplay = (Display*) wxGlobalDisplay();
 136     int xscreen = DefaultScreen( xdisplay );
 137     Colormap cm = DefaultColormap( xdisplay, xscreen );
 138
 139     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 140     m_backgroundColour.CalcPixel( (WXColormap) cm );
 141     m_hasBgCol = TRUE;
 142
 143     m_foregroundColour = *wxBLACK;
 144     m_foregroundColour.CalcPixel( (WXColormap) cm );
 145
 146
 147     Window parentWindow = (Window) parent->GetMainWindow();
 148
 149     Window window = XCreateSimpleWindow(
 150         xdisplay, parentWindow,
 151         x, y, w, h, 0,
 152         m_backgroundColour.GetPixel(),
 153         m_backgroundColour.GetPixel() );
 154
 155     m_mainWidget = (WXWindow) window;
 156
 157     // Select event types wanted
 158     XSelectInput(wxGlobalDisplay(), window,
 159         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 160         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 161         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 162         PropertyChangeMask);
 163
 164     wxAddWindowToTable(window, (wxWindow*) this);
 165
 166     // Is a subwindow, so map immediately
 167     m_isShown = TRUE;
 168     XMapWindow(wxGlobalDisplay(), window);
 169
 170     // Without this, the cursor may not be restored properly (e.g. in splitter
 171     // sample).
 172     SetCursor(*wxSTANDARD_CURSOR);
 173     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 174     SetSize(pos.x, pos.y, size.x, size.y);
 175
 176     return TRUE;
 177 }
 178
 179 // Destructor
 180 wxWindowX11::~wxWindowX11()
 181 {
 182     if (g_captureWindow == this)
 183         g_captureWindow = NULL;
 184
 185     m_isBeingDeleted = TRUE;
 186
 187     // X11-specific actions first
 188     Window main = (Window) m_mainWidget;
 189     if ( main )
 190     {
 191         // Removes event handlers
 192         //DetachWidget(main);
 193     }
 194
 195     if (m_parent)
 196         m_parent->RemoveChild( this );
 197
 198     DestroyChildren();
 199
 200     // Destroy the window
 201     if (main)
 202     {
 203         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 204         wxDeleteWindowFromTable( main );
 205         XDestroyWindow( wxGlobalDisplay(), main );
 206         m_mainWidget = NULL;
 207     }
 208 }
 209
 210 // ---------------------------------------------------------------------------
 211 // basic operations
 212 // ---------------------------------------------------------------------------
 213
 214 void wxWindowX11::SetFocus()
 215 {
 216     Window wMain = (Window) GetMainWindow();
 217     if (wMain)
 218     {
 219         XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
 220
 221         XWMHints wmhints;
 222         wmhints.flags = InputHint;
 223         wmhints.input = True;
 224         XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
 225     }
 226 }
 227
 228 // Get the window with the focus
 229 wxWindow *wxWindowBase::FindFocus()
 230 {
 231     Window wFocus = (Window) 0;
 232     int revert = 0;
 233
 234     XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
 235     if (wFocus)
 236     {
 237         wxWindow *win = NULL;
 238         do
 239         {
 240             win = wxGetWindowFromTable(wFocus);
 241             wFocus = wxGetWindowParent(wFocus);
 242         } while (wFocus && !win);
 243
 244         return win;
 245     }
 246
 247     return NULL;
 248 }
 249
 250 // Enabling/disabling handled by event loop, and not sending events
 251 // if disabled.
 252 bool wxWindowX11::Enable(bool enable)
 253 {
 254     if ( !wxWindowBase::Enable(enable) )
 255         return FALSE;
 256
 257     return TRUE;
 258 }
 259
 260 bool wxWindowX11::Show(bool show)
 261 {
 262     wxWindowBase::Show(show);
 263
 264     Window xwin = (Window) GetXWindow();
 265     Display *xdisp = (Display*) GetXDisplay();
 266     if (show)
 267     {
 268         wxString msg;
 269         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 270         wxLogDebug(msg);
 271         XMapWindow(xdisp, xwin);
 272         XSync(xdisp, False);
 273     }
 274     else
 275     {
 276         wxString msg;
 277         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 278         wxLogDebug(msg);
 279         XUnmapWindow(xdisp, xwin);
 280     }
 281
 282     return TRUE;
 283 }
 284
 285 // Raise the window to the top of the Z order
 286 void wxWindowX11::Raise()
 287 {
 288     if (m_mainWidget)
 289         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 290 }
 291
 292 // Lower the window to the bottom of the Z order
 293 void wxWindowX11::Lower()
 294 {
 295     if (m_mainWidget)
 296         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 297 }
 298
 299 void wxWindowX11::DoCaptureMouse()
 300 {
 301     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 302     {
 303         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 304
 305         // Core dump now
 306         int *tmp = NULL;
 307         (*tmp) = 1;
 308         return;
 309     }
 310
 311     if ( m_winCaptured )
 312         return;
 313
 314     g_captureWindow = (wxWindow*) this;
 315
 316     if (GetMainWindow())
 317     {
 318         int res = XGrabPointer(wxGlobalDisplay(), (Window) GetMainWindow(),
 319             FALSE,
 320             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 321             GrabModeAsync,
 322                 GrabModeAsync,
 323             None,
 324             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 325             CurrentTime);
 326
 327         if (res != GrabSuccess)
 328         {
 329             wxString msg;
 330             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 331             wxLogDebug(msg);
 332             if (res == GrabNotViewable)
 333             {
 334                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 335             }
 336             g_captureWindow = NULL;
 337             return;
 338         }
 339         wxLogDebug("Grabbed pointer");
 340
 341 #if 0
 342         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 343             (Window) GetMainWindow(),
 344             FALSE,
 345             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 346                 GrabModeAsync,
 347                 GrabModeAsync,
 348             None,
 349             None);
 350
 351         if (res != GrabSuccess)
 352         {
 353             wxLogDebug("Failed to grab mouse buttons.");
 354             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 355             return;
 356         }
 357 #endif
 358
 359 #if 0
 360         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 361 #if 0
 362             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 363 #else
 364             FALSE,
 365 #endif
 366             GrabModeAsync,
 367                 GrabModeAsync,
 368             CurrentTime);
 369
 370         if (res != GrabSuccess)
 371         {
 372             wxLogDebug("Failed to grab keyboard.");
 373             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 374 #if 0
 375             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 376                 (Window) GetMainWindow());
 377 #endif
 378             return;
 379         }
 380 #endif
 381
 382         m_winCaptured = TRUE;
 383     }
 384 }
 385
 386 void wxWindowX11::DoReleaseMouse()
 387 {
 388     g_captureWindow = NULL;
 389     if ( !m_winCaptured )
 390         return;
 391
 392     Window wMain = (Window)GetMainWindow();
 393
 394     if ( wMain )
 395     {
 396         XUngrabPointer(wxGlobalDisplay(), wMain);
 397 #if 0
 398         XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 399                 wMain);
 400         XUngrabKeyboard(wxGlobalDisplay(), CurrentTime);
 401 #endif
 402     }
 403     wxLogDebug("Ungrabbed pointer");
 404
 405     m_winCaptured = FALSE;
 406 }
 407
 408 bool wxWindowX11::SetFont(const wxFont& font)
 409 {
 410     if ( !wxWindowBase::SetFont(font) )
 411     {
 412         // nothing to do
 413         return FALSE;
 414     }
 415
 416     return TRUE;
 417 }
 418
 419 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 420 {
 421     if ( !wxWindowBase::SetCursor(cursor) )
 422     {
 423         // no change
 424         return FALSE;
 425     }
 426
 427     wxCursor* cursor2 = NULL;
 428     if (m_cursor.Ok())
 429         cursor2 = & m_cursor;
 430     else
 431         cursor2 = wxSTANDARD_CURSOR;
 432
 433     WXCursor x_cursor = cursor2->GetCursor();
 434
 435     Window win = (Window) GetMainWindow();
 436     XDefineCursor((Display*) wxGlobalDisplay(), win, (Cursor) x_cursor);
 437
 438     return TRUE;
 439 }
 440
 441 // Coordinates relative to the window
 442 void wxWindowX11::WarpPointer (int x, int y)
 443 {
 444     if (m_mainWidget)
 445         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 446 }
 447
 448 // Does a physical scroll
 449 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 450 {
 451 #if 0
 452     int x, y, w, h;
 453     if (rect)
 454     {
 455         // Use specified rectangle
 456         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 457     }
 458     else
 459     {
 460         // Use whole client area
 461         x = 0; y = 0;
 462         GetClientSize(& w, & h);
 463     }
 464
 465     wxNode *cnode = m_children.First();
 466     while (cnode)
 467     {
 468         wxWindow *child = (wxWindow*) cnode->Data();
 469         int sx = 0;
 470         int sy = 0;
 471         child->GetSize( &sx, &sy );
 472         wxPoint pos( child->GetPosition() );
 473         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 474         cnode = cnode->Next();
 475     }
 476
 477     int x1 = (dx >= 0) ? x : x - dx;
 478     int y1 = (dy >= 0) ? y : y - dy;
 479     int w1 = w - abs(dx);
 480     int h1 = h - abs(dy);
 481     int x2 = (dx >= 0) ? x + dx : x;
 482     int y2 = (dy >= 0) ? y + dy : y;
 483
 484     wxClientDC dc((wxWindow*) this);
 485
 486     dc.SetLogicalFunction (wxCOPY);
 487
 488     Window window = (Window) GetMainWindow();
 489     Display* display = wxGlobalDisplay();
 490
 491     XCopyArea(display, window, window, (GC) dc.GetGC(),
 492         x1, y1, w1, h1, x2, y2);
 493
 494     dc.SetAutoSetting(TRUE);
 495     wxBrush brush(GetBackgroundColour(), wxSOLID);
 496     dc.SetBrush(brush); // FIXME: needed?
 497
 498     // We'll add rectangles to the list of update rectangles according to which
 499     // bits we've exposed.
 500     wxList updateRects;
 501
 502     if (dx > 0)
 503     {
 504         wxRect *rect = new wxRect;
 505         rect->x = x;
 506         rect->y = y;
 507         rect->width = dx;
 508         rect->height = h;
 509
 510         XFillRectangle(display, window,
 511             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 512
 513         rect->x = rect->x;
 514         rect->y = rect->y;
 515         rect->width = rect->width;
 516         rect->height = rect->height;
 517
 518         updateRects.Append((wxObject*) rect);
 519     }
 520     else if (dx < 0)
 521     {
 522         wxRect *rect = new wxRect;
 523
 524         rect->x = x + w + dx;
 525         rect->y = y;
 526         rect->width = -dx;
 527         rect->height = h;
 528
 529         XFillRectangle(display, window,
 530             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 531             rect->height);
 532
 533         rect->x = rect->x;
 534         rect->y = rect->y;
 535         rect->width = rect->width;
 536         rect->height = rect->height;
 537
 538         updateRects.Append((wxObject*) rect);
 539     }
 540     if (dy > 0)
 541     {
 542         wxRect *rect = new wxRect;
 543
 544         rect->x = x;
 545         rect->y = y;
 546         rect->width = w;
 547         rect->height = dy;
 548
 549         XFillRectangle(display, window,
 550             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 551
 552         rect->x = rect->x;
 553         rect->y = rect->y;
 554         rect->width = rect->width;
 555         rect->height = rect->height;
 556
 557         updateRects.Append((wxObject*) rect);
 558     }
 559     else if (dy < 0)
 560     {
 561         wxRect *rect = new wxRect;
 562
 563         rect->x = x;
 564         rect->y = y + h + dy;
 565         rect->width = w;
 566         rect->height = -dy;
 567
 568         XFillRectangle(display, window,
 569             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 570
 571         rect->x = rect->x;
 572         rect->y = rect->y;
 573         rect->width = rect->width;
 574         rect->height = rect->height;
 575
 576         updateRects.Append((wxObject*) rect);
 577     }
 578     dc.SetBrush(wxNullBrush);
 579
 580     // Now send expose events
 581
 582     wxNode* node = updateRects.First();
 583     while (node)
 584     {
 585         wxRect* rect = (wxRect*) node->Data();
 586         XExposeEvent event;
 587
 588         event.type = Expose;
 589         event.display = display;
 590         event.send_event = True;
 591         event.window = window;
 592
 593         event.x = rect->x;
 594         event.y = rect->y;
 595         event.width = rect->width;
 596         event.height = rect->height;
 597
 598         event.count = 0;
 599
 600         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 601
 602         node = node->Next();
 603
 604     }
 605
 606     // Delete the update rects
 607     node = updateRects.First();
 608     while (node)
 609     {
 610         wxRect* rect = (wxRect*) node->Data();
 611         delete rect;
 612         node = node->Next();
 613     }
 614 #endif
 615 }
 616
 617 // ---------------------------------------------------------------------------
 618 // drag and drop
 619 // ---------------------------------------------------------------------------
 620
 621 #if wxUSE_DRAG_AND_DROP
 622
 623 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 624 {
 625     // TODO
 626 }
 627
 628 #endif
 629
 630 // Old style file-manager drag&drop
 631 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 632 {
 633     // TODO
 634 }
 635
 636 // ----------------------------------------------------------------------------
 637 // tooltips
 638 // ----------------------------------------------------------------------------
 639
 640 #if wxUSE_TOOLTIPS
 641
 642 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 643 {
 644     // TODO
 645 }
 646
 647 #endif // wxUSE_TOOLTIPS
 648
 649 // ---------------------------------------------------------------------------
 650 // moving and resizing
 651 // ---------------------------------------------------------------------------
 652
 653 bool wxWindowX11::PreResize()
 654 {
 655     return TRUE;
 656 }
 657
 658 // Get total size
 659 void wxWindowX11::DoGetSize(int *x, int *y) const
 660 {
 661     Window window = (Window) m_mainWidget;
 662     if (window)
 663     {
 664         XWindowAttributes attr;
 665         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 666         wxASSERT(status);
 667
 668         if (status)
 669         {
 670             *x = attr.width /* + 2*m_borderSize */ ;
 671             *y = attr.height /* + 2*m_borderSize */ ;
 672         }
 673     }
 674 }
 675
 676 void wxWindowX11::DoGetPosition(int *x, int *y) const
 677 {
 678     Window window = (Window) m_mainWidget;
 679     if (window)
 680     {
 681         XWindowAttributes attr;
 682         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 683         wxASSERT(status);
 684
 685         if (status)
 686         {
 687             *x = attr.x;
 688             *y = attr.y;
 689
 690             // We may be faking the client origin. So a window that's really at (0, 30)
 691             // may appear (to wxWin apps) to be at (0, 0).
 692             if (GetParent())
 693             {
 694                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 695                 *x -= pt.x;
 696                 *y -= pt.y;
 697             }
 698         }
 699     }
 700 }
 701
 702 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 703 {
 704     Display *display = wxGlobalDisplay();
 705     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 706     Window thisWindow = (Window) m_mainWidget;
 707
 708     Window childWindow;
 709     int xx = *x;
 710     int yy = *y;
 711     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 712 }
 713
 714 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 715 {
 716     Display *display = wxGlobalDisplay();
 717     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 718     Window thisWindow = (Window) m_mainWidget;
 719
 720     Window childWindow;
 721     int xx = *x;
 722     int yy = *y;
 723     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 724 }
 725
 726
 727 // Get size *available for subwindows* i.e. excluding menu bar etc.
 728 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 729 {
 730     Window window = (Window) m_mainWidget;
 731
 732     if (window)
 733     {
 734         XWindowAttributes attr;
 735         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 736         wxASSERT(status);
 737
 738         if (status)
 739         {
 740             *x = attr.width ;
 741             *y = attr.height ;
 742         }
 743     }
 744 }
 745
 746 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 747 {
 748     if (!GetMainWindow())
 749         return;
 750
 751     XWindowChanges windowChanges;
 752     int valueMask = 0;
 753
 754     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 755     {
 756         int yy = 0;
 757         AdjustForParentClientOrigin( x, yy, sizeFlags);
 758         windowChanges.x = x;
 759         valueMask |= CWX;
 760     }
 761     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 762     {
 763         int xx = 0;
 764         AdjustForParentClientOrigin( xx, y, sizeFlags);
 765         windowChanges.y = y;
 766         valueMask |= CWY;
 767     }
 768     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 769     {
 770         windowChanges.width = width /* - m_borderSize*2 */;
 771         valueMask |= CWWidth;
 772     }
 773     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 774     {
 775         windowChanges.height = height /* -m_borderSize*2*/;
 776         valueMask |= CWHeight;
 777     }
 778
 779     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 780         valueMask, & windowChanges);
 781 }
 782
 783 void wxWindowX11::DoSetClientSize(int width, int height)
 784 {
 785     if (!GetMainWindow())
 786         return;
 787
 788     XWindowChanges windowChanges;
 789     int valueMask = 0;
 790
 791     if (width != -1)
 792     {
 793         windowChanges.width = width ;
 794         valueMask |= CWWidth;
 795     }
 796     if (height != -1)
 797     {
 798         windowChanges.height = height ;
 799         valueMask |= CWHeight;
 800     }
 801     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 802         valueMask, & windowChanges);
 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 = (wxFont *)theFont;
 899     if (!fontToUse)
 900         fontToUse = (wxFont *) & m_font;
 901
 902     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
 903
 904     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
 905
 906     int direction, ascent, descent2;
 907     XCharStruct overall;
 908     int slen = string.Len();
 909
 910 #if 0
 911     if (use16)
 912         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 913         &ascent, &descent2, &overall);
 914 #endif
 915
 916     XTextExtents((XFontStruct*) pFontStruct, string, slen,
 917                  &direction, &ascent, &descent2, &overall);
 918
 919     if ( x )
 920         *x = (overall.width);
 921     if ( y )
 922         *y = (ascent + descent2);
 923     if (descent)
 924         *descent = descent2;
 925     if (externalLeading)
 926         *externalLeading = 0;
 927
 928 }
 929
 930 // ----------------------------------------------------------------------------
 931 // painting
 932 // ----------------------------------------------------------------------------
 933
 934 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 935 {
 936     if (eraseBack)
 937     {
 938         if (rect)
 939         {
 940             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 941             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 942         }
 943         else
 944         {
 945             int height,width;
 946             GetSize( &width, &height );
 947
 948             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 949             m_clearRegion.Clear();
 950             m_clearRegion.Union( 0, 0, width, height );
 951         }
 952     }
 953
 954     if (rect)
 955     {
 956          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 957          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 958     }
 959     else
 960     {
 961        int height,width;
 962        GetSize( &width, &height );
 963
 964         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 965         m_updateRegion.Clear();
 966         m_updateRegion.Union( 0, 0, width, height );
 967     }
 968
 969     // Actually don't schedule yet..
 970     Update();
 971 }
 972
 973 void wxWindowX11::Update()
 974 {
 975     if (!m_updateRegion.IsEmpty())
 976     {
 977         X11SendPaintEvents();
 978     }
 979 }
 980
 981 void wxWindowX11::Clear()
 982 {
 983     wxClientDC dc((wxWindow*) this);
 984     wxBrush brush(GetBackgroundColour(), wxSOLID);
 985     dc.SetBackground(brush);
 986     dc.Clear();
 987 }
 988
 989 void wxWindowX11::X11SendPaintEvents()
 990 {
 991     m_clipPaintRegion = TRUE;
 992
 993     //    if (!m_clearRegion.IsEmpty())
 994     {
 995         wxWindowDC dc( (wxWindow*)this );
 996         dc.SetClippingRegion( m_clearRegion );
 997
 998         wxEraseEvent erase_event( GetId(), &dc );
 999         erase_event.SetEventObject( this );
1000
1001         if (!GetEventHandler()->ProcessEvent(erase_event))
1002         {
1003             wxRegionIterator upd( m_clearRegion );
1004             while (upd)
1005             {
1006                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
1007                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
1008                 upd ++;
1009             }
1010         }
1011         m_clearRegion.Clear();
1012     }
1013
1014     wxNcPaintEvent nc_paint_event( GetId() );
1015     nc_paint_event.SetEventObject( this );
1016     GetEventHandler()->ProcessEvent( nc_paint_event );
1017
1018     wxPaintEvent paint_event( GetId() );
1019     paint_event.SetEventObject( this );
1020     GetEventHandler()->ProcessEvent( paint_event );
1021
1022     m_clipPaintRegion = FALSE;
1023 }
1024
1025 // ----------------------------------------------------------------------------
1026 // event handlers
1027 // ----------------------------------------------------------------------------
1028
1029 // Responds to colour changes: passes event on to children.
1030 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1031 {
1032     wxWindowList::Node *node = GetChildren().GetFirst();
1033     while ( node )
1034     {
1035         // Only propagate to non-top-level windows
1036         wxWindow *win = node->GetData();
1037         if ( win->GetParent() )
1038         {
1039             wxSysColourChangedEvent event2;
1040             event.m_eventObject = win;
1041             win->GetEventHandler()->ProcessEvent(event2);
1042         }
1043
1044         node = node->GetNext();
1045     }
1046 }
1047
1048 void wxWindowX11::OnIdle(wxIdleEvent& WXUNUSED(event))
1049 {
1050     // This calls the UI-update mechanism (querying windows for
1051     // menu/toolbar/control state information)
1052     UpdateWindowUI();
1053 }
1054
1055 // ----------------------------------------------------------------------------
1056 // function which maintain the global hash table mapping Widgets to wxWindows
1057 // ----------------------------------------------------------------------------
1058
1059 bool wxAddWindowToTable(Window w, wxWindow *win)
1060 {
1061     wxWindow *oldItem = NULL;
1062     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1063     {
1064         wxLogDebug("Widget table clash: new widget is %ld, %s",
1065                    (long)w, win->GetClassInfo()->GetClassName());
1066         return FALSE;
1067     }
1068
1069     wxWidgetHashTable->Put((long) w, win);
1070
1071     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1072                w, win, win->GetClassInfo()->GetClassName());
1073
1074     return TRUE;
1075 }
1076
1077 wxWindow *wxGetWindowFromTable(Window w)
1078 {
1079     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1080 }
1081
1082 void wxDeleteWindowFromTable(Window w)
1083 {
1084     wxWidgetHashTable->Delete((long)w);
1085 }
1086
1087 // ----------------------------------------------------------------------------
1088 // add/remove window from the table
1089 // ----------------------------------------------------------------------------
1090
1091 // ----------------------------------------------------------------------------
1092 // X11-specific accessors
1093 // ----------------------------------------------------------------------------
1094
1095 // Get the underlying X window
1096 WXWindow wxWindowX11::GetXWindow() const
1097 {
1098     return GetMainWindow();
1099 }
1100
1101 // Get the underlying X display
1102 WXDisplay *wxWindowX11::GetXDisplay() const
1103 {
1104     return wxGetDisplay();
1105 }
1106
1107 WXWindow wxWindowX11::GetMainWindow() const
1108 {
1109     return m_mainWidget;
1110 }
1111
1112 // ----------------------------------------------------------------------------
1113 // TranslateXXXEvent() functions
1114 // ----------------------------------------------------------------------------
1115
1116 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1117 {
1118     switch (xevent->xany.type)
1119     {
1120         case EnterNotify:
1121         case LeaveNotify:
1122         case ButtonPress:
1123         case ButtonRelease:
1124         case MotionNotify:
1125         {
1126             wxEventType eventType = wxEVT_NULL;
1127
1128             if (xevent->xany.type == EnterNotify)
1129             {
1130                 //if (local_event.xcrossing.mode!=NotifyNormal)
1131                 //  return ; // Ignore grab events
1132                 eventType = wxEVT_ENTER_WINDOW;
1133                 //            canvas->GetEventHandler()->OnSetFocus();
1134             }
1135             else if (xevent->xany.type == LeaveNotify)
1136             {
1137                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1138                 //  return ; // Ignore grab events
1139                 eventType = wxEVT_LEAVE_WINDOW;
1140                 //            canvas->GetEventHandler()->OnKillFocus();
1141             }
1142             else if (xevent->xany.type == MotionNotify)
1143             {
1144                 eventType = wxEVT_MOTION;
1145             }
1146             else if (xevent->xany.type == ButtonPress)
1147             {
1148                 wxevent.SetTimestamp(xevent->xbutton.time);
1149                 int button = 0;
1150                 if (xevent->xbutton.button == Button1)
1151                 {
1152                     eventType = wxEVT_LEFT_DOWN;
1153                     button = 1;
1154                 }
1155                 else if (xevent->xbutton.button == Button2)
1156                 {
1157                     eventType = wxEVT_MIDDLE_DOWN;
1158                     button = 2;
1159                 }
1160                 else if (xevent->xbutton.button == Button3)
1161                 {
1162                     eventType = wxEVT_RIGHT_DOWN;
1163                     button = 3;
1164                 }
1165
1166                 // check for a double click
1167                 // TODO: where can we get this value from?
1168                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1169                 long dclickTime = 200;
1170                 long ts = wxevent.GetTimestamp();
1171
1172                 int buttonLast = win->GetLastClickedButton();
1173                 long lastTS = win->GetLastClickTime();
1174                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1175                 {
1176                     // I have a dclick
1177                     win->SetLastClick(0, ts);
1178                     if ( eventType == wxEVT_LEFT_DOWN )
1179                         eventType = wxEVT_LEFT_DCLICK;
1180                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1181                         eventType = wxEVT_MIDDLE_DCLICK;
1182                     else if ( eventType == wxEVT_RIGHT_DOWN )
1183                         eventType = wxEVT_RIGHT_DCLICK;
1184                 }
1185                 else
1186                 {
1187                     // not fast enough or different button
1188                     win->SetLastClick(button, ts);
1189                 }
1190             }
1191             else if (xevent->xany.type == ButtonRelease)
1192             {
1193                 if (xevent->xbutton.button == Button1)
1194                 {
1195                     eventType = wxEVT_LEFT_UP;
1196                 }
1197                 else if (xevent->xbutton.button == Button2)
1198                 {
1199                     eventType = wxEVT_MIDDLE_UP;
1200                 }
1201                 else if (xevent->xbutton.button == Button3)
1202                 {
1203                     eventType = wxEVT_RIGHT_UP;
1204                 }
1205                 else return FALSE;
1206             }
1207             else
1208             {
1209                 return FALSE;
1210             }
1211
1212             wxevent.SetEventType(eventType);
1213
1214             wxevent.m_x = xevent->xbutton.x;
1215             wxevent.m_y = xevent->xbutton.y;
1216
1217             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1218                 || (event_left_is_down (xevent)
1219                 && (eventType != wxEVT_LEFT_UP)));
1220             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1221                 || (event_middle_is_down (xevent)
1222                 && (eventType != wxEVT_MIDDLE_UP)));
1223             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1224                 || (event_right_is_down (xevent)
1225                 && (eventType != wxEVT_RIGHT_UP)));
1226
1227             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1228             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1229             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1230             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1231
1232             wxevent.SetId(win->GetId());
1233             wxevent.SetEventObject(win);
1234
1235             return TRUE;
1236         }
1237     }
1238     return FALSE;
1239 }
1240
1241 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1242 {
1243     switch (xevent->xany.type)
1244     {
1245     case KeyPress:
1246     case KeyRelease:
1247         {
1248             char buf[20];
1249
1250             KeySym keySym;
1251             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1252             int id = wxCharCodeXToWX (keySym);
1253
1254             if (xevent->xkey.state & ShiftMask)
1255                 wxevent.m_shiftDown = TRUE;
1256             if (xevent->xkey.state & ControlMask)
1257                 wxevent.m_controlDown = TRUE;
1258             if (xevent->xkey.state & Mod3Mask)
1259                 wxevent.m_altDown = TRUE;
1260             if (xevent->xkey.state & Mod1Mask)
1261                 wxevent.m_metaDown = TRUE;
1262             wxevent.SetEventObject(win);
1263             wxevent.m_keyCode = id;
1264             wxevent.SetTimestamp(xevent->xkey.time);
1265
1266             wxevent.m_x = xevent->xbutton.x;
1267             wxevent.m_y = xevent->xbutton.y;
1268
1269             if (id > -1)
1270                 return TRUE;
1271             else
1272                 return FALSE;
1273             break;
1274         }
1275     default:
1276         break;
1277     }
1278     return FALSE;
1279 }
1280
1281 // ----------------------------------------------------------------------------
1282 // Colour stuff
1283 // ----------------------------------------------------------------------------
1284
1285 #if 0
1286
1287 #define YAllocColor XAllocColor
1288 XColor g_itemColors[5];
1289 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1290 {
1291     int result;
1292     static XmColorProc colorProc;
1293
1294     result = wxNO_COLORS;
1295
1296     if (back)
1297     {
1298         g_itemColors[0].red = (((long) back->Red ()) << 8);
1299         g_itemColors[0].green = (((long) back->Green ()) << 8);
1300         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1301         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1302         if (colorProc == (XmColorProc) NULL)
1303         {
1304             // Get a ptr to the actual function
1305             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1306             // And set it back to motif.
1307             XmSetColorCalculation (colorProc);
1308         }
1309         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1310             &g_itemColors[wxFORE_INDEX],
1311             &g_itemColors[wxSELE_INDEX],
1312             &g_itemColors[wxTOPS_INDEX],
1313             &g_itemColors[wxBOTS_INDEX]);
1314         result = wxBACK_COLORS;
1315     }
1316     if (fore)
1317     {
1318         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1319         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1320         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1321         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1322         if (result == wxNO_COLORS)
1323             result = wxFORE_COLORS;
1324     }
1325
1326     Display *dpy = display;
1327     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1328
1329     if (back)
1330     {
1331         /* 5 Colours to allocate */
1332         for (int i = 0; i < 5; i++)
1333             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1334                 result = wxNO_COLORS;
1335     }
1336     else if (fore)
1337     {
1338         /* Only 1 colour to allocate */
1339         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1340             result = wxNO_COLORS;
1341     }
1342
1343     return (result);
1344
1345 }
1346 #endif
1347
1348 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1349 {
1350     wxWindowBase::SetBackgroundColour(col);
1351
1352     if (!GetMainWindow())
1353         return FALSE;
1354
1355     Display *xdisplay = (Display*) wxGlobalDisplay();
1356     int xscreen = DefaultScreen( xdisplay );
1357     Colormap cm = DefaultColormap( xdisplay, xscreen );
1358
1359     wxColour colour( col );
1360     colour.CalcPixel( (WXColormap) cm );
1361
1362     XSetWindowAttributes attrib;
1363     attrib.background_pixel = colour.GetPixel();
1364
1365     XChangeWindowAttributes(wxGlobalDisplay(),
1366         (Window) GetMainWindow(),
1367         CWBackPixel,
1368         & attrib);
1369
1370     return TRUE;
1371 }
1372
1373 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1374 {
1375     if ( !wxWindowBase::SetForegroundColour(col) )
1376         return FALSE;
1377
1378     return TRUE;
1379 }
1380
1381 // ----------------------------------------------------------------------------
1382 // global functions
1383 // ----------------------------------------------------------------------------
1384
1385 wxWindow *wxGetActiveWindow()
1386 {
1387     // TODO
1388     wxFAIL_MSG("Not implemented");
1389     return NULL;
1390 }
1391
1392 /* static */
1393 wxWindow *wxWindowBase::GetCapture()
1394 {
1395     return (wxWindow *)g_captureWindow;
1396 }
1397
1398
1399 // Find the wxWindow at the current mouse position, returning the mouse
1400 // position.
1401 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1402 {
1403     return wxFindWindowAtPoint(wxGetMousePosition());
1404 }
1405
1406 // Get the current mouse position.
1407 wxPoint wxGetMousePosition()
1408 {
1409     Display *display = wxGlobalDisplay();
1410     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1411     Window rootReturn, childReturn;
1412     int rootX, rootY, winX, winY;
1413     unsigned int maskReturn;
1414
1415     XQueryPointer (display,
1416                    rootWindow,
1417                    &rootReturn,
1418                    &childReturn,
1419                    &rootX, &rootY, &winX, &winY, &maskReturn);
1420     return wxPoint(rootX, rootY);
1421 }
1422
1423
1424 // ----------------------------------------------------------------------------
1425 // wxNoOptimize: switch off size optimization
1426 // ----------------------------------------------------------------------------
1427
1428 int wxNoOptimize::ms_count = 0;
1429