src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #include "wx/x11/private.h"
  48 #include "X11/Xutil.h"
  49
  50 #if wxUSE_NANOX
  51 // For wxGetLocalTime, used by XButtonEventGetTime
  52 #include "wx/timer.h"
  53 #endif
  54
  55 #include <string.h>
  56
  57 // ----------------------------------------------------------------------------
  58 // global variables for this module
  59 // ----------------------------------------------------------------------------
  60
  61 extern wxHashTable *wxWidgetHashTable;
  62 static wxWindow* g_captureWindow = NULL;
  63
  64 // ----------------------------------------------------------------------------
  65 // macros
  66 // ----------------------------------------------------------------------------
  67
  68 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  69 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  70 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  71
  72 // ----------------------------------------------------------------------------
  73 // event tables
  74 // ----------------------------------------------------------------------------
  75
  76 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  77
  78 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  79     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  80 END_EVENT_TABLE()
  81
  82 // ============================================================================
  83 // implementation
  84 // ============================================================================
  85
  86 // ----------------------------------------------------------------------------
  87 // helper functions
  88 // ----------------------------------------------------------------------------
  89
  90 // ----------------------------------------------------------------------------
  91 // constructors
  92 // ----------------------------------------------------------------------------
  93
  94 void wxWindowX11::Init()
  95 {
  96     // generic initializations first
  97     InitBase();
  98
  99     // X11-specific
 100     m_mainWidget = (WXWindow) 0;
 101     m_winCaptured = FALSE;
 102     m_needsInputFocus = FALSE;
 103     m_isShown = TRUE;
 104     m_isBeingDeleted = FALSE;
 105     m_lastTS = 0;
 106     m_lastButton = 0;
 107 }
 108
 109 // real construction (Init() must have been called before!)
 110 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 111                       const wxPoint& pos,
 112                       const wxSize& size,
 113                       long style,
 114                       const wxString& name)
 115 {
 116     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 117
 118     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 119
 120     parent->AddChild(this);
 121
 122     int w = size.GetWidth();
 123     int h = size.GetHeight();
 124     int x = size.GetX();
 125     int y = size.GetY();
 126     if (w == -1) w = 20;
 127     if (h == -1) h = 20;
 128     if (x == -1) x = 0;
 129     if (y == -1) y = 0;
 130
 131     Display *xdisplay = (Display*) wxGlobalDisplay();
 132     int xscreen = DefaultScreen( xdisplay );
 133     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 134     Colormap cm = DefaultColormap( xdisplay, xscreen );
 135
 136     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 137     m_backgroundColour.CalcPixel( (WXColormap) cm );
 138
 139     m_foregroundColour = *wxBLACK;
 140     m_foregroundColour.CalcPixel( (WXColormap) cm );
 141
 142     Window xparent = (Window) parent->GetMainWindow();
 143
 144 #if !wxUSE_NANOX
 145     XSetWindowAttributes xattributes;
 146
 147     long xattributes_mask =
 148         CWEventMask |
 149         CWBorderPixel | CWBackPixel;
 150
 151     xattributes.background_pixel = m_backgroundColour.GetPixel();
 152     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 153
 154     xattributes.event_mask =
 155         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 156         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 157         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 158         PropertyChangeMask;
 159 #endif
 160
 161     wxSize size2(size);
 162     if (size2.x == -1)
 163         size2.x = 20;
 164     if (size2.y == -1)
 165         size2.y = 20;
 166
 167     wxPoint pos2(pos);
 168     if (pos2.x == -1)
 169         pos2.x = 0;
 170     if (pos2.y == -1)
 171         pos2.y = 0;
 172
 173 #if wxUSE_NANOX
 174     int extraFlags = GR_EVENT_MASK_CLOSE_REQ;
 175
 176     long backColor, foreColor;
 177     backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 178     foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 179
 180     Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 181                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 182     XSelectInput( xdisplay, xwindow,
 183         extraFlags | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 184         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 185         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 186         PropertyChangeMask );
 187
 188 #else
 189
 190     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 191        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 192
 193 #endif
 194
 195     m_mainWidget = (WXWindow) xwindow;
 196
 197     wxAddWindowToTable( xwindow, (wxWindow*) this );
 198
 199     // Is a subwindow, so map immediately
 200     m_isShown = TRUE;
 201     XMapWindow( xdisplay, xwindow );
 202
 203     // Without this, the cursor may not be restored properly (e.g. in splitter
 204     // sample).
 205     SetCursor(*wxSTANDARD_CURSOR);
 206     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 207
 208     // Set background to None which will prevent X11 from clearing the
 209     // background comletely.
 210     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 211
 212     // Don't call this, it can have nasty repercussions for composite controls,
 213     // for example
 214     //    SetSize(pos.x, pos.y, size.x, size.y);
 215
 216     return TRUE;
 217 }
 218
 219 // Destructor
 220 wxWindowX11::~wxWindowX11()
 221 {
 222     if (g_captureWindow == this)
 223         g_captureWindow = NULL;
 224
 225     m_isBeingDeleted = TRUE;
 226
 227     // X11-specific actions first
 228     Window xwindow = (Window) m_mainWidget;
 229
 230     if (m_parent)
 231         m_parent->RemoveChild( this );
 232
 233     DestroyChildren();
 234
 235     // Destroy the window
 236     if (xwindow)
 237     {
 238         XSelectInput( wxGlobalDisplay(), xwindow, NoEventMask);
 239         wxDeleteWindowFromTable( xwindow );
 240         XDestroyWindow( wxGlobalDisplay(), xwindow );
 241         m_mainWidget = NULL;
 242     }
 243 }
 244
 245 // ---------------------------------------------------------------------------
 246 // basic operations
 247 // ---------------------------------------------------------------------------
 248
 249 void wxWindowX11::SetFocus()
 250 {
 251     Window xwindow = (Window) GetMainWindow();
 252
 253     wxCHECK_RET( xwindow, wxT("invalid window") );
 254
 255     wxCHECK_RET( AcceptsFocus(), wxT("set focus on window that doesn't accept the focus") );
 256
 257 #if 0
 258     if (GetName() == "scrollBar")
 259     {
 260         char *crash = NULL;
 261         *crash = 0;
 262     }
 263 #endif
 264
 265     if (wxWindowIsVisible(xwindow))
 266     {
 267         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 268         m_needsInputFocus = FALSE;
 269     }
 270     else
 271     {
 272         m_needsInputFocus = TRUE;
 273     }
 274 }
 275
 276 // Get the window with the focus
 277 wxWindow *wxWindowBase::FindFocus()
 278 {
 279     Window xfocus = (Window) 0;
 280     int revert = 0;
 281
 282     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 283     if (xfocus)
 284     {
 285         wxWindow *win = wxGetWindowFromTable( xfocus );
 286
 287         return win;
 288     }
 289
 290     return NULL;
 291 }
 292
 293 wxWindow *wxWindowX11::GetFocusWidget()
 294 {
 295    wxWindow *win = (wxWindow*) this;
 296    while (!win->IsTopLevel())
 297    {
 298        win = win->GetParent();
 299        if (!win)
 300            return (wxWindow*) NULL;
 301    }
 302
 303    return win;
 304 }
 305
 306 // Enabling/disabling handled by event loop, and not sending events
 307 // if disabled.
 308 bool wxWindowX11::Enable(bool enable)
 309 {
 310     if ( !wxWindowBase::Enable(enable) )
 311         return FALSE;
 312
 313     return TRUE;
 314 }
 315
 316 bool wxWindowX11::Show(bool show)
 317 {
 318     wxWindowBase::Show(show);
 319
 320     Window xwin = (Window) GetXWindow();
 321     Display *xdisp = (Display*) GetXDisplay();
 322     if (show)
 323     {
 324         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 325         XMapWindow(xdisp, xwin);
 326         XSync(xdisp, False);
 327     }
 328     else
 329     {
 330         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 331         XUnmapWindow(xdisp, xwin);
 332     }
 333
 334     return TRUE;
 335 }
 336
 337 // Raise the window to the top of the Z order
 338 void wxWindowX11::Raise()
 339 {
 340     if (m_mainWidget)
 341         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 342 }
 343
 344 // Lower the window to the bottom of the Z order
 345 void wxWindowX11::Lower()
 346 {
 347     if (m_mainWidget)
 348         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 349 }
 350
 351 void wxWindowX11::DoCaptureMouse()
 352 {
 353     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 354     {
 355         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 356
 357         // Core dump now
 358         int *tmp = NULL;
 359         (*tmp) = 1;
 360         return;
 361     }
 362
 363     if (m_winCaptured)
 364         return;
 365
 366     Window xwindow = (Window) GetMainWindow();
 367
 368     wxCHECK_RET( xwindow, wxT("invalid window") );
 369
 370     g_captureWindow = (wxWindow*) this;
 371
 372     if (xwindow)
 373     {
 374         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 375             FALSE,
 376             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 377             GrabModeAsync,
 378                 GrabModeAsync,
 379             None,
 380             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 381             CurrentTime );
 382
 383         if (res != GrabSuccess)
 384         {
 385             wxString msg;
 386             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 387             wxLogDebug(msg);
 388             if (res == GrabNotViewable)
 389             {
 390                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 391             }
 392             g_captureWindow = NULL;
 393             return;
 394         }
 395
 396         // wxLogDebug("Grabbed pointer in %s", GetName().c_str() );
 397
 398 #if 0
 399         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 400             (Window) GetMainWindow(),
 401             FALSE,
 402             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 403                 GrabModeAsync,
 404                 GrabModeAsync,
 405             None,
 406             None);
 407
 408         if (res != GrabSuccess)
 409         {
 410             wxLogDebug("Failed to grab mouse buttons.");
 411             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 412             return;
 413         }
 414 #endif
 415
 416 #if 0
 417         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 418             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 419             FALSE,
 420             GrabModeAsync,
 421                 GrabModeAsync,
 422             CurrentTime);
 423
 424         if (res != GrabSuccess)
 425         {
 426             wxLogDebug("Failed to grab keyboard.");
 427             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 428             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 429                 (Window) GetMainWindow());
 430             return;
 431         }
 432 #endif
 433
 434         m_winCaptured = TRUE;
 435     }
 436 }
 437
 438 void wxWindowX11::DoReleaseMouse()
 439 {
 440     g_captureWindow = NULL;
 441
 442     if ( !m_winCaptured )
 443         return;
 444
 445     Window xwindow = (Window) GetMainWindow();
 446
 447     if (xwindow)
 448     {
 449         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 450 #if 0
 451         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 452         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 453 #endif
 454     }
 455
 456     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 457
 458     m_winCaptured = FALSE;
 459 }
 460
 461 bool wxWindowX11::SetFont(const wxFont& font)
 462 {
 463     if ( !wxWindowBase::SetFont(font) )
 464     {
 465         // nothing to do
 466         return FALSE;
 467     }
 468
 469     return TRUE;
 470 }
 471
 472 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 473 {
 474     if ( !wxWindowBase::SetCursor(cursor) )
 475     {
 476         // no change
 477         return FALSE;
 478     }
 479
 480     Window xwindow = (Window) GetMainWindow();
 481
 482     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 483
 484     wxCursor cursorToUse;
 485     if (m_cursor.Ok())
 486         cursorToUse = m_cursor;
 487     else
 488         cursorToUse = *wxSTANDARD_CURSOR;
 489
 490     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 491
 492     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 493
 494     return TRUE;
 495 }
 496
 497 // Coordinates relative to the window
 498 void wxWindowX11::WarpPointer (int x, int y)
 499 {
 500     Window xwindow = (Window) GetMainWindow();
 501
 502     wxCHECK_RET( xwindow, wxT("invalid window") );
 503
 504     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 505 }
 506
 507 // Does a physical scroll
 508 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 509 {
 510     // No scrolling requested.
 511     if ((dx == 0) && (dy == 0)) return;
 512
 513     if (!m_updateRegion.IsEmpty())
 514     {
 515         m_updateRegion.Offset( dx, dy );
 516
 517         int cw = 0;
 518         int ch = 0;
 519         GetSize( &cw, &ch );  // GetClientSize() ??
 520         m_updateRegion.Intersect( 0, 0, cw, ch );
 521     }
 522
 523     if (!m_clearRegion.IsEmpty())
 524     {
 525         m_clearRegion.Offset( dx, dy );
 526
 527         int cw = 0;
 528         int ch = 0;
 529         GetSize( &cw, &ch );  // GetClientSize() ??
 530         m_clearRegion.Intersect( 0, 0, cw, ch );
 531     }
 532
 533     Window xwindow = (Window) GetMainWindow();
 534
 535     wxCHECK_RET( xwindow, wxT("invalid window") );
 536
 537     Display *xdisplay = wxGlobalDisplay();
 538
 539     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 540     XSetGraphicsExposures( xdisplay, xgc, True );
 541
 542     int s_x = 0;
 543     int s_y = 0;
 544     int cw;
 545     int ch;
 546     if (rect)
 547     {
 548         s_x = rect->x;
 549         s_y = rect->y;
 550
 551         cw = rect->width;
 552         ch = rect->height;
 553     }
 554     else
 555     {
 556         s_x = 0;
 557         s_y = 0;
 558         GetClientSize( &cw, &ch );
 559     }
 560
 561     wxPoint offset = GetClientAreaOrigin();
 562     s_x += offset.x;
 563     s_y += offset.y;
 564
 565     int w = cw - abs(dx);
 566     int h = ch - abs(dy);
 567
 568     if ((h < 0) || (w < 0))
 569     {
 570         Refresh();
 571     }
 572     else
 573     {
 574         wxRect rect;
 575         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 576         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 577         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 578         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 579
 580         int d_x = s_x;
 581         int d_y = s_y;
 582
 583         if (dx < 0) s_x += -dx;
 584         if (dy < 0) s_y += -dy;
 585         if (dx > 0) d_x = dx + offset.x;
 586         if (dy > 0) d_y = dy + offset.y;
 587
 588         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 589
 590         // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
 591
 592         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 593
 594         m_updateRegion.Union( rect );
 595         m_clearRegion.Union( rect );
 596     }
 597
 598     XFreeGC( xdisplay, xgc );
 599 }
 600
 601 // ---------------------------------------------------------------------------
 602 // drag and drop
 603 // ---------------------------------------------------------------------------
 604
 605 #if wxUSE_DRAG_AND_DROP
 606
 607 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 608 {
 609     // TODO
 610 }
 611
 612 #endif
 613
 614 // Old style file-manager drag&drop
 615 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 616 {
 617     // TODO
 618 }
 619
 620 // ----------------------------------------------------------------------------
 621 // tooltips
 622 // ----------------------------------------------------------------------------
 623
 624 #if wxUSE_TOOLTIPS
 625
 626 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 627 {
 628     // TODO
 629 }
 630
 631 #endif // wxUSE_TOOLTIPS
 632
 633 // ---------------------------------------------------------------------------
 634 // moving and resizing
 635 // ---------------------------------------------------------------------------
 636
 637 bool wxWindowX11::PreResize()
 638 {
 639     return TRUE;
 640 }
 641
 642 // Get total size
 643 void wxWindowX11::DoGetSize(int *x, int *y) const
 644 {
 645     Window xwindow = (Window) GetMainWindow();
 646
 647     wxCHECK_RET( xwindow, wxT("invalid window") );
 648
 649     // XSync(wxGlobalDisplay(), False);
 650
 651     XWindowAttributes attr;
 652     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 653     wxASSERT(status);
 654
 655     if (status)
 656     {
 657         *x = attr.width /* + 2*m_borderSize */ ;
 658         *y = attr.height /* + 2*m_borderSize */ ;
 659     }
 660 }
 661
 662 void wxWindowX11::DoGetPosition(int *x, int *y) const
 663 {
 664     Window window = (Window) m_mainWidget;
 665     if (window)
 666     {
 667         // XSync(wxGlobalDisplay(), False);
 668         XWindowAttributes attr;
 669         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 670         wxASSERT(status);
 671
 672         if (status)
 673         {
 674             *x = attr.x;
 675             *y = attr.y;
 676
 677             // We may be faking the client origin. So a window that's really at (0, 30)
 678             // may appear (to wxWin apps) to be at (0, 0).
 679             if (GetParent())
 680             {
 681                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 682                 *x -= pt.x;
 683                 *y -= pt.y;
 684             }
 685         }
 686     }
 687 }
 688
 689 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 690 {
 691     Display *display = wxGlobalDisplay();
 692     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 693     Window thisWindow = (Window) m_mainWidget;
 694
 695     Window childWindow;
 696     int xx = *x;
 697     int yy = *y;
 698     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 699 }
 700
 701 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 702 {
 703     Display *display = wxGlobalDisplay();
 704     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 705     Window thisWindow = (Window) m_mainWidget;
 706
 707     Window childWindow;
 708     int xx = *x;
 709     int yy = *y;
 710     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 711 }
 712
 713
 714 // Get size *available for subwindows* i.e. excluding menu bar etc.
 715 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 716 {
 717     Window window = (Window) m_mainWidget;
 718
 719     if (window)
 720     {
 721         // XSync(wxGlobalDisplay(), False);  // Is this really a good idea?
 722         XWindowAttributes attr;
 723         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 724         wxASSERT(status);
 725
 726         if (status)
 727         {
 728             *x = attr.width ;
 729             *y = attr.height ;
 730         }
 731     }
 732 }
 733
 734 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 735 {
 736     Window xwindow = (Window) GetMainWindow();
 737
 738     wxCHECK_RET( xwindow, wxT("invalid window") );
 739
 740     XWindowAttributes attr;
 741     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 742     wxCHECK_RET( status, wxT("invalid window attributes") );
 743
 744     int new_x = attr.x;
 745     int new_y = attr.y;
 746     int new_w = attr.width;
 747     int new_h = attr.height;
 748
 749
 750     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 751     {
 752         int yy = 0;
 753         AdjustForParentClientOrigin( x, yy, sizeFlags);
 754         new_x = x;
 755     }
 756     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 757     {
 758         int xx = 0;
 759         AdjustForParentClientOrigin( xx, y, sizeFlags);
 760         new_y = y;
 761     }
 762     if (width != -1)
 763     {
 764         new_w = width;
 765         if (new_w <= 0)
 766             new_w = 20;
 767     }
 768     if (height != -1)
 769     {
 770         new_h = height;
 771         if (new_h <= 0)
 772             new_h = 20;
 773     }
 774
 775     DoMoveWindow( new_x, new_y, new_w, new_h );
 776 }
 777
 778 void wxWindowX11::DoSetClientSize(int width, int height)
 779 {
 780     Window xwindow = (Window) GetMainWindow();
 781
 782     wxCHECK_RET( xwindow, wxT("invalid window") );
 783
 784     XWindowAttributes attr;
 785     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 786     wxCHECK_RET( status, wxT("invalid window attributes") );
 787
 788     int new_x = attr.x;
 789     int new_y = attr.y;
 790     int new_w = attr.width;
 791     int new_h = attr.height;
 792
 793     if (width != -1)
 794         new_w = width;
 795
 796     if (height != -1)
 797         new_h = height;
 798
 799     DoMoveWindow( new_x, new_y, new_w, new_h );
 800 }
 801
 802 // For implementation purposes - sometimes decorations make the client area
 803 // smaller
 804 wxPoint wxWindowX11::GetClientAreaOrigin() const
 805 {
 806     return wxPoint(0, 0);
 807 }
 808
 809 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 810 {
 811     m_minWidth = minW;
 812     m_minHeight = minH;
 813     m_maxWidth = maxW;
 814     m_maxHeight = maxH;
 815
 816 #if !wxUSE_NANOX
 817     XSizeHints sizeHints;
 818     sizeHints.flags = 0;
 819
 820     if (minW > -1 && minH > -1)
 821     {
 822         sizeHints.flags |= PMinSize;
 823         sizeHints.min_width = minW;
 824         sizeHints.min_height = minH;
 825     }
 826     if (maxW > -1 && maxH > -1)
 827     {
 828         sizeHints.flags |= PMaxSize;
 829         sizeHints.max_width = maxW;
 830         sizeHints.max_height = maxH;
 831     }
 832     if (incW > -1 && incH > -1)
 833     {
 834         sizeHints.flags |= PResizeInc;
 835         sizeHints.width_inc = incW;
 836         sizeHints.height_inc = incH;
 837     }
 838
 839     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 840 #endif
 841 }
 842
 843 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 844 {
 845     Window xwindow = (Window) GetMainWindow();
 846
 847     wxCHECK_RET( xwindow, wxT("invalid window") );
 848
 849     XWindowChanges windowChanges;
 850     windowChanges.x = x;
 851     windowChanges.y = y;
 852     windowChanges.width = width;
 853     windowChanges.height = height;
 854     windowChanges.stack_mode = 0;
 855     int valueMask = CWX | CWY | CWWidth | CWHeight;
 856
 857     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 858 }
 859
 860 // ---------------------------------------------------------------------------
 861 // text metrics
 862 // ---------------------------------------------------------------------------
 863
 864 int wxWindowX11::GetCharHeight() const
 865 {
 866     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 867
 868     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 869
 870     int direction, ascent, descent;
 871     XCharStruct overall;
 872     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 873         &descent, &overall);
 874
 875     //  return (overall.ascent + overall.descent);
 876     return (ascent + descent);
 877 }
 878
 879 int wxWindowX11::GetCharWidth() const
 880 {
 881     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 882
 883     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 884
 885     int direction, ascent, descent;
 886     XCharStruct overall;
 887     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 888         &descent, &overall);
 889
 890     return overall.width;
 891 }
 892
 893 void wxWindowX11::GetTextExtent(const wxString& string,
 894                              int *x, int *y,
 895                              int *descent, int *externalLeading,
 896                              const wxFont *theFont) const
 897 {
 898     wxFont fontToUse = m_font;
 899     if (theFont) fontToUse = *theFont;
 900
 901     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 902
 903     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 904
 905     int direction, ascent, descent2;
 906     XCharStruct overall;
 907     int slen = string.Len();
 908
 909 #if 0
 910     if (use16)
 911         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 912         &ascent, &descent2, &overall);
 913 #endif
 914
 915     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
 916                  &direction, &ascent, &descent2, &overall);
 917
 918     if ( x )
 919         *x = (overall.width);
 920     if ( y )
 921         *y = (ascent + descent2);
 922     if (descent)
 923         *descent = descent2;
 924     if (externalLeading)
 925         *externalLeading = 0;
 926
 927 }
 928
 929 // ----------------------------------------------------------------------------
 930 // painting
 931 // ----------------------------------------------------------------------------
 932
 933 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 934 {
 935     if (eraseBack)
 936     {
 937         if (rect)
 938         {
 939             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 940             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 941         }
 942         else
 943         {
 944             int height,width;
 945             GetSize( &width, &height );
 946
 947             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 948             m_clearRegion.Clear();
 949             m_clearRegion.Union( 0, 0, width, height );
 950         }
 951     }
 952
 953     if (rect)
 954     {
 955          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 956          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 957     }
 958     else
 959     {
 960         int height,width;
 961         GetSize( &width, &height );
 962
 963         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 964         m_updateRegion.Clear();
 965         m_updateRegion.Union( 0, 0, width, height );
 966     }
 967 }
 968
 969 void wxWindowX11::Update()
 970 {
 971     if (!m_updateRegion.IsEmpty())
 972     {
 973         //        wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
 974         // Actually send erase events.
 975         SendEraseEvents();
 976
 977         // Actually send paint events.
 978         SendPaintEvents();
 979     }
 980 }
 981
 982 void wxWindowX11::Clear()
 983 {
 984     wxClientDC dc((wxWindow*) this);
 985     wxBrush brush(GetBackgroundColour(), wxSOLID);
 986     dc.SetBackground(brush);
 987     dc.Clear();
 988 }
 989
 990 void wxWindowX11::SendEraseEvents()
 991 {
 992     if (!m_clearRegion.IsEmpty())
 993     {
 994         m_clipPaintRegion = TRUE;
 995
 996         wxWindowDC dc( (wxWindow*)this );
 997         dc.SetClippingRegion( m_clearRegion );
 998
 999         wxEraseEvent erase_event( GetId(), &dc );
1000         erase_event.SetEventObject( this );
1001
1002         if (!GetEventHandler()->ProcessEvent(erase_event))
1003         {
1004             Window xwindow = (Window) GetMainWindow();
1005             Display *xdisplay = wxGlobalDisplay();
1006             GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
1007             XSetFillStyle( xdisplay, xgc, FillSolid );
1008             XSetForeground( xdisplay, xgc, m_backgroundColour.GetPixel() );
1009             wxRegionIterator upd( m_clearRegion );
1010             while (upd)
1011             {
1012                 XFillRectangle( xdisplay, xwindow, xgc,
1013                                 upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1014                 upd ++;
1015             }
1016             XFreeGC( xdisplay, xgc );
1017         }
1018         m_clearRegion.Clear();
1019
1020         m_clipPaintRegion = FALSE;
1021     }
1022 }
1023
1024
1025 void wxWindowX11::SendPaintEvents()
1026 {
1027     m_clipPaintRegion = TRUE;
1028
1029     wxNcPaintEvent nc_paint_event( GetId() );
1030     nc_paint_event.SetEventObject( this );
1031     GetEventHandler()->ProcessEvent( nc_paint_event );
1032
1033     wxPaintEvent paint_event( GetId() );
1034     paint_event.SetEventObject( this );
1035     GetEventHandler()->ProcessEvent( paint_event );
1036
1037     m_updateRegion.Clear();
1038     m_clipPaintRegion = FALSE;
1039 }
1040
1041 // ----------------------------------------------------------------------------
1042 // event handlers
1043 // ----------------------------------------------------------------------------
1044
1045 // Responds to colour changes: passes event on to children.
1046 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1047 {
1048     wxWindowList::Node *node = GetChildren().GetFirst();
1049     while ( node )
1050     {
1051         // Only propagate to non-top-level windows
1052         wxWindow *win = node->GetData();
1053         if ( win->GetParent() )
1054         {
1055             wxSysColourChangedEvent event2;
1056             event.m_eventObject = win;
1057             win->GetEventHandler()->ProcessEvent(event2);
1058         }
1059
1060         node = node->GetNext();
1061     }
1062 }
1063
1064 void wxWindowX11::OnInternalIdle()
1065 {
1066     // Update invalidated regions.
1067     Update();
1068
1069     // This calls the UI-update mechanism (querying windows for
1070     // menu/toolbar/control state information)
1071     UpdateWindowUI();
1072
1073     // Set the input focus if couldn't do it before
1074     if (m_needsInputFocus)
1075     {
1076         SetFocus();
1077     }
1078 }
1079
1080 // ----------------------------------------------------------------------------
1081 // function which maintain the global hash table mapping Widgets to wxWindows
1082 // ----------------------------------------------------------------------------
1083
1084 bool wxAddWindowToTable(Window w, wxWindow *win)
1085 {
1086     wxWindow *oldItem = NULL;
1087     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1088     {
1089         wxLogDebug("Widget table clash: new widget is %ld, %s",
1090                    (long)w, win->GetClassInfo()->GetClassName());
1091         return FALSE;
1092     }
1093
1094     wxWidgetHashTable->Put((long) w, win);
1095
1096     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1097                w, win, win->GetClassInfo()->GetClassName());
1098
1099     return TRUE;
1100 }
1101
1102 wxWindow *wxGetWindowFromTable(Window w)
1103 {
1104     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1105 }
1106
1107 void wxDeleteWindowFromTable(Window w)
1108 {
1109     wxWidgetHashTable->Delete((long)w);
1110 }
1111
1112 // ----------------------------------------------------------------------------
1113 // add/remove window from the table
1114 // ----------------------------------------------------------------------------
1115
1116 // ----------------------------------------------------------------------------
1117 // X11-specific accessors
1118 // ----------------------------------------------------------------------------
1119
1120 // Get the underlying X window
1121 WXWindow wxWindowX11::GetXWindow() const
1122 {
1123     return GetMainWindow();
1124 }
1125
1126 // Get the underlying X display
1127 WXDisplay *wxWindowX11::GetXDisplay() const
1128 {
1129     return wxGetDisplay();
1130 }
1131
1132 WXWindow wxWindowX11::GetMainWindow() const
1133 {
1134     return m_mainWidget;
1135 }
1136
1137 // ----------------------------------------------------------------------------
1138 // TranslateXXXEvent() functions
1139 // ----------------------------------------------------------------------------
1140
1141 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1142 {
1143     switch (XEventGetType(xevent))
1144     {
1145         case EnterNotify:
1146         case LeaveNotify:
1147         case ButtonPress:
1148         case ButtonRelease:
1149         case MotionNotify:
1150         {
1151             wxEventType eventType = wxEVT_NULL;
1152
1153             if (XEventGetType(xevent) == EnterNotify)
1154             {
1155                 //if (local_event.xcrossing.mode!=NotifyNormal)
1156                 //  return ; // Ignore grab events
1157                 eventType = wxEVT_ENTER_WINDOW;
1158                 //            canvas->GetEventHandler()->OnSetFocus();
1159             }
1160             else if (XEventGetType(xevent) == LeaveNotify)
1161             {
1162                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1163                 //  return ; // Ignore grab events
1164                 eventType = wxEVT_LEAVE_WINDOW;
1165                 //            canvas->GetEventHandler()->OnKillFocus();
1166             }
1167             else if (XEventGetType(xevent) == MotionNotify)
1168             {
1169                 eventType = wxEVT_MOTION;
1170             }
1171             else if (XEventGetType(xevent) == ButtonPress)
1172             {
1173                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1174                 int button = 0;
1175                 if (XButtonEventLChanged(xevent))
1176                 {
1177                     eventType = wxEVT_LEFT_DOWN;
1178                     button = 1;
1179                 }
1180                 else if (XButtonEventMChanged(xevent))
1181                 {
1182                     eventType = wxEVT_MIDDLE_DOWN;
1183                     button = 2;
1184                 }
1185                 else if (XButtonEventRChanged(xevent))
1186                 {
1187                     eventType = wxEVT_RIGHT_DOWN;
1188                     button = 3;
1189                 }
1190
1191                 // check for a double click
1192                 // TODO: where can we get this value from?
1193                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1194                 long dclickTime = 200;
1195                 long ts = wxevent.GetTimestamp();
1196
1197                 int buttonLast = win->GetLastClickedButton();
1198                 long lastTS = win->GetLastClickTime();
1199                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1200                 {
1201                     // I have a dclick
1202                     win->SetLastClick(0, ts);
1203                     if ( eventType == wxEVT_LEFT_DOWN )
1204                         eventType = wxEVT_LEFT_DCLICK;
1205                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1206                         eventType = wxEVT_MIDDLE_DCLICK;
1207                     else if ( eventType == wxEVT_RIGHT_DOWN )
1208                         eventType = wxEVT_RIGHT_DCLICK;
1209                 }
1210                 else
1211                 {
1212                     // not fast enough or different button
1213                     win->SetLastClick(button, ts);
1214                 }
1215             }
1216             else if (XEventGetType(xevent) == ButtonRelease)
1217             {
1218                 if (XButtonEventLChanged(xevent))
1219                 {
1220                     eventType = wxEVT_LEFT_UP;
1221                 }
1222                 else if (XButtonEventMChanged(xevent))
1223                 {
1224                     eventType = wxEVT_MIDDLE_UP;
1225                 }
1226                 else if (XButtonEventRChanged(xevent))
1227                 {
1228                     eventType = wxEVT_RIGHT_UP;
1229                 }
1230                 else return FALSE;
1231             }
1232             else
1233             {
1234                 return FALSE;
1235             }
1236
1237             wxevent.SetEventType(eventType);
1238
1239             wxevent.m_x = XButtonEventGetX(xevent);
1240             wxevent.m_y = XButtonEventGetY(xevent);
1241
1242             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1243                 || (XButtonEventLIsDown(xevent)
1244                 && (eventType != wxEVT_LEFT_UP)));
1245             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1246                 || (XButtonEventMIsDown(xevent)
1247                 && (eventType != wxEVT_MIDDLE_UP)));
1248             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1249                 || (XButtonEventRIsDown (xevent)
1250                 && (eventType != wxEVT_RIGHT_UP)));
1251
1252             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1253             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1254             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1255             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1256
1257             wxevent.SetId(win->GetId());
1258             wxevent.SetEventObject(win);
1259
1260             return TRUE;
1261         }
1262     }
1263     return FALSE;
1264 }
1265
1266 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1267 {
1268     switch (XEventGetType(xevent))
1269     {
1270     case KeyPress:
1271     case KeyRelease:
1272         {
1273             char buf[20];
1274
1275             KeySym keySym;
1276             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1277             int id = wxCharCodeXToWX (keySym);
1278
1279             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1280             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1281             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1282             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1283             wxevent.SetEventObject(win);
1284             wxevent.m_keyCode = id;
1285             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1286
1287             wxevent.m_x = XKeyEventGetX(xevent);
1288             wxevent.m_y = XKeyEventGetY(xevent);
1289
1290             if (id > -1)
1291                 return TRUE;
1292             else
1293                 return FALSE;
1294             break;
1295         }
1296     default:
1297         break;
1298     }
1299     return FALSE;
1300 }
1301
1302 // ----------------------------------------------------------------------------
1303 // Colour stuff
1304 // ----------------------------------------------------------------------------
1305
1306 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1307 {
1308     wxWindowBase::SetBackgroundColour(col);
1309
1310     Display *xdisplay = (Display*) wxGlobalDisplay();
1311     int xscreen = DefaultScreen( xdisplay );
1312     Colormap cm = DefaultColormap( xdisplay, xscreen );
1313
1314     m_backgroundColour.CalcPixel( (WXColormap) cm );
1315
1316     if (!GetMainWindow())
1317         return FALSE;
1318
1319 /*
1320     XSetWindowAttributes attrib;
1321     attrib.background_pixel = colour.GetPixel();
1322
1323     XChangeWindowAttributes(wxGlobalDisplay(),
1324         (Window) GetMainWindow(),
1325         CWBackPixel,
1326         & attrib);
1327 */
1328
1329     return TRUE;
1330 }
1331
1332 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1333 {
1334     if ( !wxWindowBase::SetForegroundColour(col) )
1335         return FALSE;
1336
1337     return TRUE;
1338 }
1339
1340 // ----------------------------------------------------------------------------
1341 // global functions
1342 // ----------------------------------------------------------------------------
1343
1344 wxWindow *wxGetActiveWindow()
1345 {
1346     // TODO
1347     wxFAIL_MSG("Not implemented");
1348     return NULL;
1349 }
1350
1351 /* static */
1352 wxWindow *wxWindowBase::GetCapture()
1353 {
1354     return (wxWindow *)g_captureWindow;
1355 }
1356
1357
1358 // Find the wxWindow at the current mouse position, returning the mouse
1359 // position.
1360 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1361 {
1362     return wxFindWindowAtPoint(wxGetMousePosition());
1363 }
1364
1365 // Get the current mouse position.
1366 wxPoint wxGetMousePosition()
1367 {
1368 #if wxUSE_NANOX
1369     /* TODO */
1370     return wxPoint(0, 0);
1371 #else
1372     Display *display = wxGlobalDisplay();
1373     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1374     Window rootReturn, childReturn;
1375     int rootX, rootY, winX, winY;
1376     unsigned int maskReturn;
1377
1378     XQueryPointer (display,
1379                    rootWindow,
1380                    &rootReturn,
1381                    &childReturn,
1382                    &rootX, &rootY, &winX, &winY, &maskReturn);
1383     return wxPoint(rootX, rootY);
1384 #endif
1385 }
1386
1387
1388 // ----------------------------------------------------------------------------
1389 // wxNoOptimize: switch off size optimization
1390 // ----------------------------------------------------------------------------
1391
1392 int wxNoOptimize::ms_count = 0;
1393