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