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             ShiftMask, LockMask, Control-Mask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, and Mod5Mask.,
 330             GrabModeAsync,
 331                 GrabModeAsync,
 332             CurrentTime);
 333
 334         if (res != GrabSuccess)
 335         {
 336             wxLogDebug("Failed to grab keyboard.");
 337             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 338             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 339                 (Window) GetMainWindow());
 340             return;
 341         }
 342
 343         m_winCaptured = TRUE;
 344     }
 345 }
 346
 347 void wxWindowX11::DoReleaseMouse()
 348 {
 349     g_captureWindow = NULL;
 350     if ( !m_winCaptured )
 351         return;
 352
 353     Window wMain = (Window)GetMainWindow();
 354
 355     if ( wMain )
 356     {
 357         XUngrabPointer(wxGlobalDisplay(), wMain);
 358         XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 359                 wMain);
 360         XUngrabKeyboard(wxGlobalDisplay(), CurrentTime);
 361     }
 362
 363     m_winCaptured = FALSE;
 364 }
 365
 366 bool wxWindowX11::SetFont(const wxFont& font)
 367 {
 368     if ( !wxWindowBase::SetFont(font) )
 369     {
 370         // nothing to do
 371         return FALSE;
 372     }
 373
 374     return TRUE;
 375 }
 376
 377 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 378 {
 379     if ( !wxWindowBase::SetCursor(cursor) )
 380     {
 381         // no change
 382         return FALSE;
 383     }
 384
 385     wxCursor* cursor2 = NULL;
 386     if (m_cursor.Ok())
 387         cursor2 = & m_cursor;
 388     else
 389         cursor2 = wxSTANDARD_CURSOR;
 390
 391     WXDisplay *dpy = GetXDisplay();
 392     WXCursor x_cursor = cursor2->GetXCursor(dpy);
 393
 394     Window win = (Window) GetMainWindow();
 395     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 396
 397     return TRUE;
 398 }
 399
 400 // Coordinates relative to the window
 401 void wxWindowX11::WarpPointer (int x, int y)
 402 {
 403     if (m_mainWidget)
 404         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 405 }
 406
 407 // Does a physical scroll
 408 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 409 {
 410     int x, y, w, h;
 411     if (rect)
 412     {
 413         // Use specified rectangle
 414         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 415     }
 416     else
 417     {
 418         // Use whole client area
 419         x = 0; y = 0;
 420         GetClientSize(& w, & h);
 421     }
 422
 423     wxNode *cnode = m_children.First();
 424     while (cnode)
 425     {
 426         wxWindow *child = (wxWindow*) cnode->Data();
 427         int sx = 0;
 428         int sy = 0;
 429         child->GetSize( &sx, &sy );
 430         wxPoint pos( child->GetPosition() );
 431         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 432         cnode = cnode->Next();
 433     }
 434
 435     int x1 = (dx >= 0) ? x : x - dx;
 436     int y1 = (dy >= 0) ? y : y - dy;
 437     int w1 = w - abs(dx);
 438     int h1 = h - abs(dy);
 439     int x2 = (dx >= 0) ? x + dx : x;
 440     int y2 = (dy >= 0) ? y + dy : y;
 441
 442     wxClientDC dc((wxWindow*) this);
 443
 444     dc.SetLogicalFunction (wxCOPY);
 445
 446     Window window = (Window) GetMainWindow();
 447     Display* display = wxGlobalDisplay();
 448
 449     XCopyArea(display, window, window, (GC) dc.GetGC(),
 450         x1, y1, w1, h1, x2, y2);
 451
 452     dc.SetAutoSetting(TRUE);
 453     wxBrush brush(GetBackgroundColour(), wxSOLID);
 454     dc.SetBrush(brush); // FIXME: needed?
 455
 456     // We'll add rectangles to the list of update rectangles according to which
 457     // bits we've exposed.
 458     wxList updateRects;
 459
 460     if (dx > 0)
 461     {
 462         wxRect *rect = new wxRect;
 463         rect->x = x;
 464         rect->y = y;
 465         rect->width = dx;
 466         rect->height = h;
 467
 468         XFillRectangle(display, window,
 469             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 470
 471         rect->x = rect->x;
 472         rect->y = rect->y;
 473         rect->width = rect->width;
 474         rect->height = rect->height;
 475
 476         updateRects.Append((wxObject*) rect);
 477     }
 478     else if (dx < 0)
 479     {
 480         wxRect *rect = new wxRect;
 481
 482         rect->x = x + w + dx;
 483         rect->y = y;
 484         rect->width = -dx;
 485         rect->height = h;
 486
 487         XFillRectangle(display, window,
 488             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 489             rect->height);
 490
 491         rect->x = rect->x;
 492         rect->y = rect->y;
 493         rect->width = rect->width;
 494         rect->height = rect->height;
 495
 496         updateRects.Append((wxObject*) rect);
 497     }
 498     if (dy > 0)
 499     {
 500         wxRect *rect = new wxRect;
 501
 502         rect->x = x;
 503         rect->y = y;
 504         rect->width = w;
 505         rect->height = dy;
 506
 507         XFillRectangle(display, window,
 508             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 509
 510         rect->x = rect->x;
 511         rect->y = rect->y;
 512         rect->width = rect->width;
 513         rect->height = rect->height;
 514
 515         updateRects.Append((wxObject*) rect);
 516     }
 517     else if (dy < 0)
 518     {
 519         wxRect *rect = new wxRect;
 520
 521         rect->x = x;
 522         rect->y = y + h + dy;
 523         rect->width = w;
 524         rect->height = -dy;
 525
 526         XFillRectangle(display, window,
 527             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 528
 529         rect->x = rect->x;
 530         rect->y = rect->y;
 531         rect->width = rect->width;
 532         rect->height = rect->height;
 533
 534         updateRects.Append((wxObject*) rect);
 535     }
 536     dc.SetBrush(wxNullBrush);
 537
 538     // Now send expose events
 539
 540     wxNode* node = updateRects.First();
 541     while (node)
 542     {
 543         wxRect* rect = (wxRect*) node->Data();
 544         XExposeEvent event;
 545
 546         event.type = Expose;
 547         event.display = display;
 548         event.send_event = True;
 549         event.window = window;
 550
 551         event.x = rect->x;
 552         event.y = rect->y;
 553         event.width = rect->width;
 554         event.height = rect->height;
 555
 556         event.count = 0;
 557
 558         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 559
 560         node = node->Next();
 561
 562     }
 563
 564     // Delete the update rects
 565     node = updateRects.First();
 566     while (node)
 567     {
 568         wxRect* rect = (wxRect*) node->Data();
 569         delete rect;
 570         node = node->Next();
 571     }
 572
 573     // TODO
 574
 575     // XmUpdateDisplay((Widget) GetMainWidget());
 576 }
 577
 578 // ---------------------------------------------------------------------------
 579 // drag and drop
 580 // ---------------------------------------------------------------------------
 581
 582 #if wxUSE_DRAG_AND_DROP
 583
 584 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 585 {
 586     // TODO
 587 }
 588
 589 #endif
 590
 591 // Old style file-manager drag&drop
 592 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 593 {
 594     // TODO
 595 }
 596
 597 // ----------------------------------------------------------------------------
 598 // tooltips
 599 // ----------------------------------------------------------------------------
 600
 601 #if wxUSE_TOOLTIPS
 602
 603 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 604 {
 605     // TODO
 606 }
 607
 608 #endif // wxUSE_TOOLTIPS
 609
 610 // ---------------------------------------------------------------------------
 611 // moving and resizing
 612 // ---------------------------------------------------------------------------
 613
 614 bool wxWindowX11::PreResize()
 615 {
 616     return TRUE;
 617 }
 618
 619 // Get total size
 620 void wxWindowX11::DoGetSize(int *x, int *y) const
 621 {
 622     Window window = (Window) m_mainWidget;
 623     if (window)
 624     {
 625         XWindowAttributes attr;
 626         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 627         wxASSERT(status);
 628
 629         if (status)
 630         {
 631             *x = attr.width /* + 2*m_borderSize */ ;
 632             *y = attr.height /* + 2*m_borderSize */ ;
 633         }
 634     }
 635 }
 636
 637 void wxWindowX11::DoGetPosition(int *x, int *y) const
 638 {
 639     Window window = (Window) m_mainWidget;
 640     if (window)
 641     {
 642         XWindowAttributes attr;
 643         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 644         wxASSERT(status);
 645
 646         if (status)
 647         {
 648             *x = attr.x;
 649             *y = attr.y;
 650
 651             // We may be faking the client origin. So a window that's really at (0, 30)
 652             // may appear (to wxWin apps) to be at (0, 0).
 653             if (GetParent())
 654             {
 655                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 656                 *x -= pt.x;
 657                 *y -= pt.y;
 658             }
 659         }
 660     }
 661 }
 662
 663 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 664 {
 665     Display *display = wxGlobalDisplay();
 666     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 667     Window thisWindow = (Window) m_mainWidget;
 668
 669     Window childWindow;
 670     int xx = *x;
 671     int yy = *y;
 672     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 673 }
 674
 675 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 676 {
 677     Display *display = wxGlobalDisplay();
 678     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 679     Window thisWindow = (Window) m_mainWidget;
 680
 681     Window childWindow;
 682     int xx = *x;
 683     int yy = *y;
 684     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 685 }
 686
 687
 688 // Get size *available for subwindows* i.e. excluding menu bar etc.
 689 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 690 {
 691     Window window = (Window) m_mainWidget;
 692
 693     if (window)
 694     {
 695         XWindowAttributes attr;
 696         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 697         wxASSERT(status);
 698
 699         if (status)
 700         {
 701             *x = attr.width ;
 702             *y = attr.height ;
 703         }
 704     }
 705 }
 706
 707 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 708 {
 709     if (!GetMainWindow())
 710         return;
 711
 712     XWindowChanges windowChanges;
 713     int valueMask = 0;
 714
 715     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 716     {
 717         windowChanges.x = x;
 718         valueMask |= CWX;
 719     }
 720     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 721     {
 722         windowChanges.y = y;
 723         valueMask |= CWY;
 724     }
 725     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 726     {
 727         windowChanges.width = width /* - m_borderSize*2 */;
 728         valueMask |= CWWidth;
 729     }
 730     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 731     {
 732         windowChanges.height = height /* -m_borderSize*2*/;
 733         valueMask |= CWHeight;
 734     }
 735     AdjustForParentClientOrigin( x, y, sizeFlags);
 736
 737     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 738         valueMask, & windowChanges);
 739 }
 740
 741 void wxWindowX11::DoSetClientSize(int width, int height)
 742 {
 743     if (!GetMainWindow())
 744         return;
 745
 746     XWindowChanges windowChanges;
 747     int valueMask = 0;
 748
 749     if (width != -1)
 750     {
 751         windowChanges.width = width ;
 752         valueMask |= CWWidth;
 753     }
 754     if (height != -1)
 755     {
 756         windowChanges.height = height ;
 757         valueMask |= CWHeight;
 758     }
 759     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 760         valueMask, & windowChanges);
 761 }
 762
 763 // For implementation purposes - sometimes decorations make the client area
 764 // smaller
 765 wxPoint wxWindowX11::GetClientAreaOrigin() const
 766 {
 767     return wxPoint(0, 0);
 768 }
 769
 770 // Makes an adjustment to the window position (for example, a frame that has
 771 // a toolbar that it manages itself).
 772 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 773 {
 774     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 775     {
 776         wxPoint pt(GetParent()->GetClientAreaOrigin());
 777         x += pt.x; y += pt.y;
 778     }
 779 }
 780
 781 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 782 {
 783     m_minWidth = minW;
 784     m_minHeight = minH;
 785     m_maxWidth = maxW;
 786     m_maxHeight = maxH;
 787
 788     XSizeHints sizeHints;
 789     sizeHints.flags = 0;
 790
 791     if (minW > -1 && minH > -1)
 792     {
 793         sizeHints.flags |= PMinSize;
 794         sizeHints.min_width = minW;
 795         sizeHints.min_height = minH;
 796     }
 797     if (maxW > -1 && maxH > -1)
 798     {
 799         sizeHints.flags |= PMaxSize;
 800         sizeHints.max_width = maxW;
 801         sizeHints.max_height = maxH;
 802     }
 803     if (incW > -1 && incH > -1)
 804     {
 805         sizeHints.flags |= PResizeInc;
 806         sizeHints.width_inc = incW;
 807         sizeHints.height_inc = incH;
 808     }
 809
 810     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 811 }
 812
 813 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 814 {
 815     DoSetSize(x, y, width, height);
 816 }
 817
 818 // ---------------------------------------------------------------------------
 819 // text metrics
 820 // ---------------------------------------------------------------------------
 821
 822 int wxWindowX11::GetCharHeight() const
 823 {
 824     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 825
 826     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 827
 828     int direction, ascent, descent;
 829     XCharStruct overall;
 830     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 831         &descent, &overall);
 832
 833     //  return (overall.ascent + overall.descent);
 834     return (ascent + descent);
 835 }
 836
 837 int wxWindowX11::GetCharWidth() const
 838 {
 839     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 840
 841     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 842
 843     int direction, ascent, descent;
 844     XCharStruct overall;
 845     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 846         &descent, &overall);
 847
 848     return overall.width;
 849 }
 850
 851 void wxWindowX11::GetTextExtent(const wxString& string,
 852                              int *x, int *y,
 853                              int *descent, int *externalLeading,
 854                              const wxFont *theFont) const
 855 {
 856     wxFont *fontToUse = (wxFont *)theFont;
 857     if (!fontToUse)
 858         fontToUse = (wxFont *) & m_font;
 859
 860     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
 861
 862     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
 863
 864     int direction, ascent, descent2;
 865     XCharStruct overall;
 866     int slen = string.Len();
 867
 868 #if 0
 869     if (use16)
 870         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 871         &ascent, &descent2, &overall);
 872 #endif
 873
 874     XTextExtents((XFontStruct*) pFontStruct, string, slen,
 875                  &direction, &ascent, &descent2, &overall);
 876
 877     if ( x )
 878         *x = (overall.width);
 879     if ( y )
 880         *y = (ascent + descent2);
 881     if (descent)
 882         *descent = descent2;
 883     if (externalLeading)
 884         *externalLeading = 0;
 885
 886 }
 887
 888 // ----------------------------------------------------------------------------
 889 // painting
 890 // ----------------------------------------------------------------------------
 891
 892 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 893 {
 894     if (eraseBack)
 895     {
 896         if (rect)
 897         {
 898             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 899             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 900         }
 901         else
 902         {
 903             int height,width;
 904             GetSize( &width, &height );
 905
 906             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 907             m_clearRegion.Clear();
 908             m_clearRegion.Union( 0, 0, width, height );
 909         }
 910     }
 911
 912     if (rect)
 913     {
 914          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 915          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 916     }
 917     else
 918     {
 919        int height,width;
 920        GetSize( &width, &height );
 921
 922         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 923         m_updateRegion.Clear();
 924         m_updateRegion.Union( 0, 0, width, height );
 925     }
 926
 927     // Actually don't schedule yet..
 928     Update();
 929 }
 930
 931 void wxWindowX11::Update()
 932 {
 933     if (!m_updateRegion.IsEmpty())
 934     {
 935         X11SendPaintEvents();
 936     }
 937 }
 938
 939 void wxWindowX11::Clear()
 940 {
 941     wxClientDC dc((wxWindow*) this);
 942     wxBrush brush(GetBackgroundColour(), wxSOLID);
 943     dc.SetBackground(brush);
 944     dc.Clear();
 945 }
 946
 947 void wxWindowX11::X11SendPaintEvents()
 948 {
 949     m_clipPaintRegion = TRUE;
 950
 951     if (!m_clearRegion.IsEmpty())
 952     {
 953         wxWindowDC dc( (wxWindow*)this );
 954         dc.SetClippingRegion( m_clearRegion );
 955
 956         wxEraseEvent erase_event( GetId(), &dc );
 957         erase_event.SetEventObject( this );
 958
 959         if (!GetEventHandler()->ProcessEvent(erase_event))
 960         {
 961             wxRegionIterator upd( m_clearRegion );
 962             while (upd)
 963             {
 964                 // XClearArea( ... , upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
 965                 upd ++;
 966             }
 967         }
 968         m_clearRegion.Clear();
 969     }
 970
 971     wxNcPaintEvent nc_paint_event( GetId() );
 972     nc_paint_event.SetEventObject( this );
 973     GetEventHandler()->ProcessEvent( nc_paint_event );
 974
 975     wxPaintEvent paint_event( GetId() );
 976     paint_event.SetEventObject( this );
 977     GetEventHandler()->ProcessEvent( paint_event );
 978
 979     m_clipPaintRegion = FALSE;
 980 }
 981
 982 // ----------------------------------------------------------------------------
 983 // event handlers
 984 // ----------------------------------------------------------------------------
 985
 986 // Responds to colour changes: passes event on to children.
 987 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
 988 {
 989     wxWindowList::Node *node = GetChildren().GetFirst();
 990     while ( node )
 991     {
 992         // Only propagate to non-top-level windows
 993         wxWindow *win = node->GetData();
 994         if ( win->GetParent() )
 995         {
 996             wxSysColourChangedEvent event2;
 997             event.m_eventObject = win;
 998             win->GetEventHandler()->ProcessEvent(event2);
 999         }
1000
1001         node = node->GetNext();
1002     }
1003 }
1004
1005 void wxWindowX11::OnIdle(wxIdleEvent& WXUNUSED(event))
1006 {
1007     // This calls the UI-update mechanism (querying windows for
1008     // menu/toolbar/control state information)
1009     UpdateWindowUI();
1010 }
1011
1012 // ----------------------------------------------------------------------------
1013 // function which maintain the global hash table mapping Widgets to wxWindows
1014 // ----------------------------------------------------------------------------
1015
1016 bool wxAddWindowToTable(Window w, wxWindow *win)
1017 {
1018     wxWindow *oldItem = NULL;
1019     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1020     {
1021         wxLogDebug("Widget table clash: new widget is %ld, %s",
1022                    (long)w, win->GetClassInfo()->GetClassName());
1023         return FALSE;
1024     }
1025
1026     wxWidgetHashTable->Put((long) w, win);
1027
1028     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1029                w, win, win->GetClassInfo()->GetClassName());
1030
1031     return TRUE;
1032 }
1033
1034 wxWindow *wxGetWindowFromTable(Window w)
1035 {
1036     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1037 }
1038
1039 void wxDeleteWindowFromTable(Window w)
1040 {
1041     wxWidgetHashTable->Delete((long)w);
1042 }
1043
1044 // ----------------------------------------------------------------------------
1045 // add/remove window from the table
1046 // ----------------------------------------------------------------------------
1047
1048 // ----------------------------------------------------------------------------
1049 // X11-specific accessors
1050 // ----------------------------------------------------------------------------
1051
1052 // Get the underlying X window
1053 WXWindow wxWindowX11::GetXWindow() const
1054 {
1055     return GetMainWindow();
1056 }
1057
1058 // Get the underlying X display
1059 WXDisplay *wxWindowX11::GetXDisplay() const
1060 {
1061     return wxGetDisplay();
1062 }
1063
1064 WXWindow wxWindowX11::GetMainWindow() const
1065 {
1066     return m_mainWidget;
1067 }
1068
1069 // ----------------------------------------------------------------------------
1070 // TranslateXXXEvent() functions
1071 // ----------------------------------------------------------------------------
1072
1073 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1074 {
1075     switch (xevent->xany.type)
1076     {
1077         case EnterNotify:
1078         case LeaveNotify:
1079         case ButtonPress:
1080         case ButtonRelease:
1081         case MotionNotify:
1082         {
1083             wxEventType eventType = wxEVT_NULL;
1084
1085             if (xevent->xany.type == EnterNotify)
1086             {
1087                 //if (local_event.xcrossing.mode!=NotifyNormal)
1088                 //  return ; // Ignore grab events
1089                 eventType = wxEVT_ENTER_WINDOW;
1090                 //            canvas->GetEventHandler()->OnSetFocus();
1091             }
1092             else if (xevent->xany.type == LeaveNotify)
1093             {
1094                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1095                 //  return ; // Ignore grab events
1096                 eventType = wxEVT_LEAVE_WINDOW;
1097                 //            canvas->GetEventHandler()->OnKillFocus();
1098             }
1099             else if (xevent->xany.type == MotionNotify)
1100             {
1101                 eventType = wxEVT_MOTION;
1102             }
1103             else if (xevent->xany.type == ButtonPress)
1104             {
1105                 wxevent.SetTimestamp(xevent->xbutton.time);
1106                 int button = 0;
1107                 if (xevent->xbutton.button == Button1)
1108                 {
1109                     eventType = wxEVT_LEFT_DOWN;
1110                     button = 1;
1111                 }
1112                 else if (xevent->xbutton.button == Button2)
1113                 {
1114                     eventType = wxEVT_MIDDLE_DOWN;
1115                     button = 2;
1116                 }
1117                 else if (xevent->xbutton.button == Button3)
1118                 {
1119                     eventType = wxEVT_RIGHT_DOWN;
1120                     button = 3;
1121                 }
1122
1123                 // check for a double click
1124                 // TODO: where can we get this value from?
1125                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1126                 long dclickTime = 200;
1127                 long ts = wxevent.GetTimestamp();
1128
1129                 int buttonLast = win->GetLastClickedButton();
1130                 long lastTS = win->GetLastClickTime();
1131                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1132                 {
1133                     // I have a dclick
1134                     win->SetLastClick(0, ts);
1135                     if ( eventType == wxEVT_LEFT_DOWN )
1136                         eventType = wxEVT_LEFT_DCLICK;
1137                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1138                         eventType = wxEVT_MIDDLE_DCLICK;
1139                     else if ( eventType == wxEVT_RIGHT_DOWN )
1140                         eventType = wxEVT_RIGHT_DCLICK;
1141                 }
1142                 else
1143                 {
1144                     // not fast enough or different button
1145                     win->SetLastClick(button, ts);
1146                 }
1147             }
1148             else if (xevent->xany.type == ButtonRelease)
1149             {
1150                 if (xevent->xbutton.button == Button1)
1151                 {
1152                     eventType = wxEVT_LEFT_UP;
1153                 }
1154                 else if (xevent->xbutton.button == Button2)
1155                 {
1156                     eventType = wxEVT_MIDDLE_UP;
1157                 }
1158                 else if (xevent->xbutton.button == Button3)
1159                 {
1160                     eventType = wxEVT_RIGHT_UP;
1161                 }
1162                 else return FALSE;
1163             }
1164             else
1165             {
1166                 return FALSE;
1167             }
1168
1169             wxevent.SetEventType(eventType);
1170
1171             wxevent.m_x = xevent->xbutton.x;
1172             wxevent.m_y = xevent->xbutton.y;
1173
1174             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1175                 || (event_left_is_down (xevent)
1176                 && (eventType != wxEVT_LEFT_UP)));
1177             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1178                 || (event_middle_is_down (xevent)
1179                 && (eventType != wxEVT_MIDDLE_UP)));
1180             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1181                 || (event_right_is_down (xevent)
1182                 && (eventType != wxEVT_RIGHT_UP)));
1183
1184             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1185             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1186             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1187             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1188
1189             wxevent.SetId(win->GetId());
1190             wxevent.SetEventObject(win);
1191
1192             return TRUE;
1193         }
1194     }
1195     return FALSE;
1196 }
1197
1198 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1199 {
1200     switch (xevent->xany.type)
1201     {
1202     case KeyPress:
1203     case KeyRelease:
1204         {
1205             char buf[20];
1206
1207             KeySym keySym;
1208             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1209             int id = wxCharCodeXToWX (keySym);
1210
1211             if (xevent->xkey.state & ShiftMask)
1212                 wxevent.m_shiftDown = TRUE;
1213             if (xevent->xkey.state & ControlMask)
1214                 wxevent.m_controlDown = TRUE;
1215             if (xevent->xkey.state & Mod3Mask)
1216                 wxevent.m_altDown = TRUE;
1217             if (xevent->xkey.state & Mod1Mask)
1218                 wxevent.m_metaDown = TRUE;
1219             wxevent.SetEventObject(win);
1220             wxevent.m_keyCode = id;
1221             wxevent.SetTimestamp(xevent->xkey.time);
1222
1223             wxevent.m_x = xevent->xbutton.x;
1224             wxevent.m_y = xevent->xbutton.y;
1225
1226             if (id > -1)
1227                 return TRUE;
1228             else
1229                 return FALSE;
1230             break;
1231         }
1232     default:
1233         break;
1234     }
1235     return FALSE;
1236 }
1237
1238 // ----------------------------------------------------------------------------
1239 // Colour stuff
1240 // ----------------------------------------------------------------------------
1241
1242 #if 0
1243
1244 #define YAllocColor XAllocColor
1245 XColor g_itemColors[5];
1246 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1247 {
1248     int result;
1249     static XmColorProc colorProc;
1250
1251     result = wxNO_COLORS;
1252
1253     if (back)
1254     {
1255         g_itemColors[0].red = (((long) back->Red ()) << 8);
1256         g_itemColors[0].green = (((long) back->Green ()) << 8);
1257         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1258         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1259         if (colorProc == (XmColorProc) NULL)
1260         {
1261             // Get a ptr to the actual function
1262             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1263             // And set it back to motif.
1264             XmSetColorCalculation (colorProc);
1265         }
1266         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1267             &g_itemColors[wxFORE_INDEX],
1268             &g_itemColors[wxSELE_INDEX],
1269             &g_itemColors[wxTOPS_INDEX],
1270             &g_itemColors[wxBOTS_INDEX]);
1271         result = wxBACK_COLORS;
1272     }
1273     if (fore)
1274     {
1275         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1276         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1277         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1278         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1279         if (result == wxNO_COLORS)
1280             result = wxFORE_COLORS;
1281     }
1282
1283     Display *dpy = display;
1284     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1285
1286     if (back)
1287     {
1288         /* 5 Colours to allocate */
1289         for (int i = 0; i < 5; i++)
1290             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1291                 result = wxNO_COLORS;
1292     }
1293     else if (fore)
1294     {
1295         /* Only 1 colour to allocate */
1296         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1297             result = wxNO_COLORS;
1298     }
1299
1300     return (result);
1301
1302 }
1303 #endif
1304
1305 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1306 {
1307     if ( !wxWindowBase::SetBackgroundColour(col) )
1308         return FALSE;
1309
1310     if (!GetMainWindow())
1311         return FALSE;
1312
1313     XSetWindowAttributes attrib;
1314     attrib.background_pixel = col.AllocColour(wxGlobalDisplay());
1315
1316     XChangeWindowAttributes(wxGlobalDisplay(),
1317         (Window) GetMainWindow(),
1318         CWBackPixel,
1319         & attrib);
1320
1321     return TRUE;
1322 }
1323
1324 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1325 {
1326     if ( !wxWindowBase::SetForegroundColour(col) )
1327         return FALSE;
1328
1329     return TRUE;
1330 }
1331
1332 // ----------------------------------------------------------------------------
1333 // global functions
1334 // ----------------------------------------------------------------------------
1335
1336 wxWindow *wxGetActiveWindow()
1337 {
1338     // TODO
1339     wxFAIL_MSG("Not implemented");
1340     return NULL;
1341 }
1342
1343 /* static */
1344 wxWindow *wxWindowBase::GetCapture()
1345 {
1346     return (wxWindow *)g_captureWindow;
1347 }
1348
1349
1350 // Find the wxWindow at the current mouse position, returning the mouse
1351 // position.
1352 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1353 {
1354     return wxFindWindowAtPoint(wxGetMousePosition());
1355 }
1356
1357 // Get the current mouse position.
1358 wxPoint wxGetMousePosition()
1359 {
1360     Display *display = wxGlobalDisplay();
1361     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1362     Window rootReturn, childReturn;
1363     int rootX, rootY, winX, winY;
1364     unsigned int maskReturn;
1365
1366     XQueryPointer (display,
1367                    rootWindow,
1368                    &rootReturn,
1369                    &childReturn,
1370                    &rootX, &rootY, &winX, &winY, &maskReturn);
1371     return wxPoint(rootX, rootY);
1372 }
1373
1374
1375 // ----------------------------------------------------------------------------
1376 // wxNoOptimize: switch off size optimization
1377 // ----------------------------------------------------------------------------
1378
1379 int wxNoOptimize::ms_count = 0;
1380