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 // Makes an adjustment to the window position (for example, a frame that has
 798 // a toolbar that it manages itself).
 799 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 800 {
 801     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 802     {
 803         wxPoint pt(GetParent()->GetClientAreaOrigin());
 804         x += pt.x; y += pt.y;
 805     }
 806 }
 807
 808 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 809 {
 810     m_minWidth = minW;
 811     m_minHeight = minH;
 812     m_maxWidth = maxW;
 813     m_maxHeight = maxH;
 814
 815 #if !wxUSE_NANOX
 816     XSizeHints sizeHints;
 817     sizeHints.flags = 0;
 818
 819     if (minW > -1 && minH > -1)
 820     {
 821         sizeHints.flags |= PMinSize;
 822         sizeHints.min_width = minW;
 823         sizeHints.min_height = minH;
 824     }
 825     if (maxW > -1 && maxH > -1)
 826     {
 827         sizeHints.flags |= PMaxSize;
 828         sizeHints.max_width = maxW;
 829         sizeHints.max_height = maxH;
 830     }
 831     if (incW > -1 && incH > -1)
 832     {
 833         sizeHints.flags |= PResizeInc;
 834         sizeHints.width_inc = incW;
 835         sizeHints.height_inc = incH;
 836     }
 837
 838     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 839 #endif
 840 }
 841
 842 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 843 {
 844     Window xwindow = (Window) GetMainWindow();
 845
 846     wxCHECK_RET( xwindow, wxT("invalid window") );
 847
 848     XWindowChanges windowChanges;
 849     windowChanges.x = x;
 850     windowChanges.y = y;
 851     windowChanges.width = width;
 852     windowChanges.height = height;
 853     windowChanges.stack_mode = 0;
 854     int valueMask = CWX | CWY | CWWidth | CWHeight;
 855
 856     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 857 }
 858
 859 // ---------------------------------------------------------------------------
 860 // text metrics
 861 // ---------------------------------------------------------------------------
 862
 863 int wxWindowX11::GetCharHeight() const
 864 {
 865     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 866
 867     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 868
 869     int direction, ascent, descent;
 870     XCharStruct overall;
 871     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 872         &descent, &overall);
 873
 874     //  return (overall.ascent + overall.descent);
 875     return (ascent + descent);
 876 }
 877
 878 int wxWindowX11::GetCharWidth() const
 879 {
 880     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 881
 882     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 883
 884     int direction, ascent, descent;
 885     XCharStruct overall;
 886     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 887         &descent, &overall);
 888
 889     return overall.width;
 890 }
 891
 892 void wxWindowX11::GetTextExtent(const wxString& string,
 893                              int *x, int *y,
 894                              int *descent, int *externalLeading,
 895                              const wxFont *theFont) const
 896 {
 897     wxFont fontToUse = m_font;
 898     if (theFont) fontToUse = *theFont;
 899
 900     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 901
 902     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 903
 904     int direction, ascent, descent2;
 905     XCharStruct overall;
 906     int slen = string.Len();
 907
 908 #if 0
 909     if (use16)
 910         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 911         &ascent, &descent2, &overall);
 912 #endif
 913
 914     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
 915                  &direction, &ascent, &descent2, &overall);
 916
 917     if ( x )
 918         *x = (overall.width);
 919     if ( y )
 920         *y = (ascent + descent2);
 921     if (descent)
 922         *descent = descent2;
 923     if (externalLeading)
 924         *externalLeading = 0;
 925
 926 }
 927
 928 // ----------------------------------------------------------------------------
 929 // painting
 930 // ----------------------------------------------------------------------------
 931
 932 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 933 {
 934     if (eraseBack)
 935     {
 936         if (rect)
 937         {
 938             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 939             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 940         }
 941         else
 942         {
 943             int height,width;
 944             GetSize( &width, &height );
 945
 946             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 947             m_clearRegion.Clear();
 948             m_clearRegion.Union( 0, 0, width, height );
 949         }
 950     }
 951
 952     if (rect)
 953     {
 954          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 955          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 956     }
 957     else
 958     {
 959         int height,width;
 960         GetSize( &width, &height );
 961
 962         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 963         m_updateRegion.Clear();
 964         m_updateRegion.Union( 0, 0, width, height );
 965     }
 966 }
 967
 968 void wxWindowX11::Update()
 969 {
 970     if (!m_updateRegion.IsEmpty())
 971     {
 972         // Actually send erase events.
 973         SendEraseEvents();
 974
 975         // Actually send paint events.
 976         SendPaintEvents();
 977     }
 978 }
 979
 980 void wxWindowX11::Clear()
 981 {
 982     wxClientDC dc((wxWindow*) this);
 983     wxBrush brush(GetBackgroundColour(), wxSOLID);
 984     dc.SetBackground(brush);
 985     dc.Clear();
 986 }
 987
 988 void wxWindowX11::SendEraseEvents()
 989 {
 990     if (!m_clearRegion.IsEmpty())
 991     {
 992         m_clipPaintRegion = TRUE;
 993
 994         wxWindowDC dc( (wxWindow*)this );
 995         dc.SetClippingRegion( m_clearRegion );
 996
 997         wxEraseEvent erase_event( GetId(), &dc );
 998         erase_event.SetEventObject( this );
 999
1000         if (!GetEventHandler()->ProcessEvent(erase_event))
1001         {
1002             Window xwindow = (Window) GetMainWindow();
1003             Display *xdisplay = wxGlobalDisplay();
1004             GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
1005             XSetFillStyle( xdisplay, xgc, FillSolid );
1006             XSetForeground( xdisplay, xgc, m_backgroundColour.GetPixel() );
1007             wxRegionIterator upd( m_clearRegion );
1008             while (upd)
1009             {
1010                 XFillRectangle( xdisplay, xwindow, xgc,
1011                                 upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1012                 upd ++;
1013             }
1014             XFreeGC( xdisplay, xgc );
1015         }
1016         m_clearRegion.Clear();
1017
1018         m_clipPaintRegion = FALSE;
1019     }
1020 }
1021
1022
1023 void wxWindowX11::SendPaintEvents()
1024 {
1025     m_clipPaintRegion = TRUE;
1026
1027     wxNcPaintEvent nc_paint_event( GetId() );
1028     nc_paint_event.SetEventObject( this );
1029     GetEventHandler()->ProcessEvent( nc_paint_event );
1030
1031     wxPaintEvent paint_event( GetId() );
1032     paint_event.SetEventObject( this );
1033     GetEventHandler()->ProcessEvent( paint_event );
1034
1035     m_updateRegion.Clear();
1036
1037     m_clipPaintRegion = FALSE;
1038 }
1039
1040 // ----------------------------------------------------------------------------
1041 // event handlers
1042 // ----------------------------------------------------------------------------
1043
1044 // Responds to colour changes: passes event on to children.
1045 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1046 {
1047     wxWindowList::Node *node = GetChildren().GetFirst();
1048     while ( node )
1049     {
1050         // Only propagate to non-top-level windows
1051         wxWindow *win = node->GetData();
1052         if ( win->GetParent() )
1053         {
1054             wxSysColourChangedEvent event2;
1055             event.m_eventObject = win;
1056             win->GetEventHandler()->ProcessEvent(event2);
1057         }
1058
1059         node = node->GetNext();
1060     }
1061 }
1062
1063 void wxWindowX11::OnInternalIdle()
1064 {
1065     // Update invalidated regions.
1066     Update();
1067
1068     // This calls the UI-update mechanism (querying windows for
1069     // menu/toolbar/control state information)
1070     UpdateWindowUI();
1071
1072     // Set the input focus if couldn't do it before
1073     if (m_needsInputFocus)
1074         SetFocus();
1075 }
1076
1077 // ----------------------------------------------------------------------------
1078 // function which maintain the global hash table mapping Widgets to wxWindows
1079 // ----------------------------------------------------------------------------
1080
1081 bool wxAddWindowToTable(Window w, wxWindow *win)
1082 {
1083     wxWindow *oldItem = NULL;
1084     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1085     {
1086         wxLogDebug("Widget table clash: new widget is %ld, %s",
1087                    (long)w, win->GetClassInfo()->GetClassName());
1088         return FALSE;
1089     }
1090
1091     wxWidgetHashTable->Put((long) w, win);
1092
1093     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1094                w, win, win->GetClassInfo()->GetClassName());
1095
1096     return TRUE;
1097 }
1098
1099 wxWindow *wxGetWindowFromTable(Window w)
1100 {
1101     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1102 }
1103
1104 void wxDeleteWindowFromTable(Window w)
1105 {
1106     wxWidgetHashTable->Delete((long)w);
1107 }
1108
1109 // ----------------------------------------------------------------------------
1110 // add/remove window from the table
1111 // ----------------------------------------------------------------------------
1112
1113 // ----------------------------------------------------------------------------
1114 // X11-specific accessors
1115 // ----------------------------------------------------------------------------
1116
1117 // Get the underlying X window
1118 WXWindow wxWindowX11::GetXWindow() const
1119 {
1120     return GetMainWindow();
1121 }
1122
1123 // Get the underlying X display
1124 WXDisplay *wxWindowX11::GetXDisplay() const
1125 {
1126     return wxGetDisplay();
1127 }
1128
1129 WXWindow wxWindowX11::GetMainWindow() const
1130 {
1131     return m_mainWidget;
1132 }
1133
1134 // ----------------------------------------------------------------------------
1135 // TranslateXXXEvent() functions
1136 // ----------------------------------------------------------------------------
1137
1138 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1139 {
1140     switch (XEventGetType(xevent))
1141     {
1142         case EnterNotify:
1143         case LeaveNotify:
1144         case ButtonPress:
1145         case ButtonRelease:
1146         case MotionNotify:
1147         {
1148             wxEventType eventType = wxEVT_NULL;
1149
1150             if (XEventGetType(xevent) == EnterNotify)
1151             {
1152                 //if (local_event.xcrossing.mode!=NotifyNormal)
1153                 //  return ; // Ignore grab events
1154                 eventType = wxEVT_ENTER_WINDOW;
1155                 //            canvas->GetEventHandler()->OnSetFocus();
1156             }
1157             else if (XEventGetType(xevent) == LeaveNotify)
1158             {
1159                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1160                 //  return ; // Ignore grab events
1161                 eventType = wxEVT_LEAVE_WINDOW;
1162                 //            canvas->GetEventHandler()->OnKillFocus();
1163             }
1164             else if (XEventGetType(xevent) == MotionNotify)
1165             {
1166                 eventType = wxEVT_MOTION;
1167             }
1168             else if (XEventGetType(xevent) == ButtonPress)
1169             {
1170                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1171                 int button = 0;
1172                 if (XButtonEventLChanged(xevent))
1173                 {
1174                     eventType = wxEVT_LEFT_DOWN;
1175                     button = 1;
1176                 }
1177                 else if (XButtonEventMChanged(xevent))
1178                 {
1179                     eventType = wxEVT_MIDDLE_DOWN;
1180                     button = 2;
1181                 }
1182                 else if (XButtonEventRChanged(xevent))
1183                 {
1184                     eventType = wxEVT_RIGHT_DOWN;
1185                     button = 3;
1186                 }
1187
1188                 // check for a double click
1189                 // TODO: where can we get this value from?
1190                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1191                 long dclickTime = 200;
1192                 long ts = wxevent.GetTimestamp();
1193
1194                 int buttonLast = win->GetLastClickedButton();
1195                 long lastTS = win->GetLastClickTime();
1196                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1197                 {
1198                     // I have a dclick
1199                     win->SetLastClick(0, ts);
1200                     if ( eventType == wxEVT_LEFT_DOWN )
1201                         eventType = wxEVT_LEFT_DCLICK;
1202                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1203                         eventType = wxEVT_MIDDLE_DCLICK;
1204                     else if ( eventType == wxEVT_RIGHT_DOWN )
1205                         eventType = wxEVT_RIGHT_DCLICK;
1206                 }
1207                 else
1208                 {
1209                     // not fast enough or different button
1210                     win->SetLastClick(button, ts);
1211                 }
1212             }
1213             else if (XEventGetType(xevent) == ButtonRelease)
1214             {
1215                 if (XButtonEventLChanged(xevent))
1216                 {
1217                     eventType = wxEVT_LEFT_UP;
1218                 }
1219                 else if (XButtonEventMChanged(xevent))
1220                 {
1221                     eventType = wxEVT_MIDDLE_UP;
1222                 }
1223                 else if (XButtonEventRChanged(xevent))
1224                 {
1225                     eventType = wxEVT_RIGHT_UP;
1226                 }
1227                 else return FALSE;
1228             }
1229             else
1230             {
1231                 return FALSE;
1232             }
1233
1234             wxevent.SetEventType(eventType);
1235
1236             wxevent.m_x = XButtonEventGetX(xevent);
1237             wxevent.m_y = XButtonEventGetY(xevent);
1238
1239             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1240                 || (XButtonEventLIsDown(xevent)
1241                 && (eventType != wxEVT_LEFT_UP)));
1242             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1243                 || (XButtonEventMIsDown(xevent)
1244                 && (eventType != wxEVT_MIDDLE_UP)));
1245             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1246                 || (XButtonEventRIsDown (xevent)
1247                 && (eventType != wxEVT_RIGHT_UP)));
1248
1249             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1250             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1251             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1252             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1253
1254             wxevent.SetId(win->GetId());
1255             wxevent.SetEventObject(win);
1256
1257             return TRUE;
1258         }
1259     }
1260     return FALSE;
1261 }
1262
1263 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1264 {
1265     switch (XEventGetType(xevent))
1266     {
1267     case KeyPress:
1268     case KeyRelease:
1269         {
1270             char buf[20];
1271
1272             KeySym keySym;
1273             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1274             int id = wxCharCodeXToWX (keySym);
1275
1276             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1277             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1278             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1279             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1280             wxevent.SetEventObject(win);
1281             wxevent.m_keyCode = id;
1282             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1283
1284             wxevent.m_x = XKeyEventGetX(xevent);
1285             wxevent.m_y = XKeyEventGetY(xevent);
1286
1287             if (id > -1)
1288                 return TRUE;
1289             else
1290                 return FALSE;
1291             break;
1292         }
1293     default:
1294         break;
1295     }
1296     return FALSE;
1297 }
1298
1299 // ----------------------------------------------------------------------------
1300 // Colour stuff
1301 // ----------------------------------------------------------------------------
1302
1303 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1304 {
1305     wxWindowBase::SetBackgroundColour(col);
1306
1307     Display *xdisplay = (Display*) wxGlobalDisplay();
1308     int xscreen = DefaultScreen( xdisplay );
1309     Colormap cm = DefaultColormap( xdisplay, xscreen );
1310
1311     m_backgroundColour.CalcPixel( (WXColormap) cm );
1312
1313     if (!GetMainWindow())
1314         return FALSE;
1315
1316 /*
1317     XSetWindowAttributes attrib;
1318     attrib.background_pixel = colour.GetPixel();
1319
1320     XChangeWindowAttributes(wxGlobalDisplay(),
1321         (Window) GetMainWindow(),
1322         CWBackPixel,
1323         & attrib);
1324 */
1325
1326     return TRUE;
1327 }
1328
1329 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1330 {
1331     if ( !wxWindowBase::SetForegroundColour(col) )
1332         return FALSE;
1333
1334     return TRUE;
1335 }
1336
1337 // ----------------------------------------------------------------------------
1338 // global functions
1339 // ----------------------------------------------------------------------------
1340
1341 wxWindow *wxGetActiveWindow()
1342 {
1343     // TODO
1344     wxFAIL_MSG("Not implemented");
1345     return NULL;
1346 }
1347
1348 /* static */
1349 wxWindow *wxWindowBase::GetCapture()
1350 {
1351     return (wxWindow *)g_captureWindow;
1352 }
1353
1354
1355 // Find the wxWindow at the current mouse position, returning the mouse
1356 // position.
1357 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1358 {
1359     return wxFindWindowAtPoint(wxGetMousePosition());
1360 }
1361
1362 // Get the current mouse position.
1363 wxPoint wxGetMousePosition()
1364 {
1365 #if wxUSE_NANOX
1366     /* TODO */
1367     return wxPoint(0, 0);
1368 #else
1369     Display *display = wxGlobalDisplay();
1370     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1371     Window rootReturn, childReturn;
1372     int rootX, rootY, winX, winY;
1373     unsigned int maskReturn;
1374
1375     XQueryPointer (display,
1376                    rootWindow,
1377                    &rootReturn,
1378                    &childReturn,
1379                    &rootX, &rootY, &winX, &winY, &maskReturn);
1380     return wxPoint(rootX, rootY);
1381 #endif
1382 }
1383
1384
1385 // ----------------------------------------------------------------------------
1386 // wxNoOptimize: switch off size optimization
1387 // ----------------------------------------------------------------------------
1388
1389 int wxNoOptimize::ms_count = 0;
1390