src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/window.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 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if defined(__BORLANDC__)
  16     #pragma hdrstop
  17 #endif
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 #include "wx/window.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/hash.h"
  31     #include "wx/log.h"
  32     #include "wx/app.h"
  33     #include "wx/utils.h"
  34     #include "wx/panel.h"
  35     #include "wx/frame.h"
  36     #include "wx/dc.h"
  37     #include "wx/dcclient.h"
  38     #include "wx/button.h"
  39     #include "wx/menu.h"
  40     #include "wx/dialog.h"
  41     #include "wx/timer.h"
  42     #include "wx/settings.h"
  43     #include "wx/msgdlg.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/listbox.h"
  46     #include "wx/scrolwin.h"
  47     #include "wx/layout.h"
  48     #include "wx/menuitem.h"
  49     #include "wx/module.h"
  50 #endif
  51
  52 #include "wx/fontutil.h"
  53 #include "wx/univ/renderer.h"
  54
  55 #if  wxUSE_DRAG_AND_DROP
  56     #include "wx/dnd.h"
  57 #endif
  58
  59 #include "wx/x11/private.h"
  60 #include "X11/Xutil.h"
  61
  62 #include <string.h>
  63
  64 // ----------------------------------------------------------------------------
  65 // global variables for this module
  66 // ----------------------------------------------------------------------------
  67
  68 static wxWindow* g_captureWindow = NULL;
  69 static GC g_eraseGC;
  70
  71 // ----------------------------------------------------------------------------
  72 // macros
  73 // ----------------------------------------------------------------------------
  74
  75 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  76 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  77 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  78
  79 // ----------------------------------------------------------------------------
  80 // event tables
  81 // ----------------------------------------------------------------------------
  82
  83 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  84
  85 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  86     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  87 END_EVENT_TABLE()
  88
  89 // ============================================================================
  90 // implementation
  91 // ============================================================================
  92
  93 // ----------------------------------------------------------------------------
  94 // helper functions
  95 // ----------------------------------------------------------------------------
  96
  97 // ----------------------------------------------------------------------------
  98 // constructors
  99 // ----------------------------------------------------------------------------
 100
 101 void wxWindowX11::Init()
 102 {
 103     // X11-specific
 104     m_mainWindow = (WXWindow) 0;
 105     m_clientWindow = (WXWindow) 0;
 106     m_insertIntoMain = false;
 107     m_updateNcArea = false;
 108
 109     m_winCaptured = false;
 110     m_needsInputFocus = false;
 111     m_isShown = true;
 112     m_lastTS = 0;
 113     m_lastButton = 0;
 114 }
 115
 116 // real construction (Init() must have been called before!)
 117 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 118                          const wxPoint& pos,
 119                          const wxSize& size,
 120                          long style,
 121                          const wxString& name)
 122 {
 123     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 124
 125     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 126
 127     parent->AddChild(this);
 128
 129     Display *xdisplay = (Display*) wxGlobalDisplay();
 130     int xscreen = DefaultScreen( xdisplay );
 131     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 132     Colormap cm = DefaultColormap( xdisplay, xscreen );
 133
 134     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 135     m_backgroundColour.CalcPixel( (WXColormap) cm );
 136
 137     m_foregroundColour = *wxBLACK;
 138     m_foregroundColour.CalcPixel( (WXColormap) cm );
 139
 140     Window xparent = (Window) parent->GetClientAreaWindow();
 141
 142     // Add window's own scrollbars to main window, not to client window
 143     if (parent->GetInsertIntoMain())
 144     {
 145         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 146         xparent = (Window) parent->GetMainWindow();
 147     }
 148
 149     // Size (not including the border) must be nonzero (or a Value error results)!
 150     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 151     wxSize size2(size);
 152     if (size2.x <= 0)
 153         size2.x = 20;
 154     if (size2.y <= 0)
 155         size2.y = 20;
 156
 157     wxPoint pos2(pos);
 158     if (pos2.x == wxDefaultCoord)
 159         pos2.x = 0;
 160     if (pos2.y == wxDefaultCoord)
 161         pos2.y = 0;
 162
 163 #if wxUSE_TWO_WINDOWS
 164     bool need_two_windows =
 165         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 166 #else
 167     bool need_two_windows = false;
 168 #endif
 169
 170 #if wxUSE_NANOX
 171     long xattributes = 0;
 172 #else
 173     XSetWindowAttributes xattributes;
 174     long xattributes_mask = 0;
 175
 176     xattributes_mask |= CWBackPixel;
 177     xattributes.background_pixel = m_backgroundColour.GetPixel();
 178
 179     xattributes_mask |= CWBorderPixel;
 180     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 181
 182     xattributes_mask |= CWEventMask;
 183 #endif
 184
 185     if (need_two_windows)
 186     {
 187 #if wxUSE_NANOX
 188         long backColor, foreColor;
 189         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 190         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 191
 192         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 193                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 194         XSelectInput( xdisplay, xwindow,
 195           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 196           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 197           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 198                       PropertyChangeMask );
 199
 200 #else
 201         // Normal X11
 202         xattributes.event_mask =
 203             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 204
 205         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 206             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 207
 208 #endif
 209
 210         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 211
 212         m_mainWindow = (WXWindow) xwindow;
 213         wxAddWindowToTable( xwindow, (wxWindow*) this );
 214
 215         XMapWindow( xdisplay, xwindow );
 216
 217 #if !wxUSE_NANOX
 218         xattributes.event_mask =
 219             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 220             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 221             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 222             PropertyChangeMask | VisibilityChangeMask ;
 223
 224         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 225         {
 226             xattributes_mask |= CWBitGravity;
 227             xattributes.bit_gravity = StaticGravity;
 228         }
 229 #endif
 230
 231         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 232         {
 233             pos2.x = 2;
 234             pos2.y = 2;
 235             size2.x -= 4;
 236             size2.y -= 4;
 237         }
 238         else if (HasFlag( wxSIMPLE_BORDER ))
 239         {
 240             pos2.x = 1;
 241             pos2.y = 1;
 242             size2.x -= 2;
 243             size2.y -= 2;
 244         }
 245         else
 246         {
 247             pos2.x = 0;
 248             pos2.y = 0;
 249         }
 250
 251         // Make again sure the size is nonzero.
 252         if (size2.x <= 0)
 253             size2.x = 1;
 254         if (size2.y <= 0)
 255             size2.y = 1;
 256
 257 #if wxUSE_NANOX
 258         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 259         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 260
 261         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 262                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 263         XSelectInput( xdisplay, xwindow,
 264           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 265           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 266           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 267                       PropertyChangeMask );
 268
 269 #else
 270         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 271             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 272 #endif
 273
 274         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 275
 276         m_clientWindow = (WXWindow) xwindow;
 277         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 278
 279         XMapWindow( xdisplay, xwindow );
 280     }
 281     else
 282     {
 283         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 284 #if wxUSE_NANOX
 285         long backColor, foreColor;
 286         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 287         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 288
 289         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 290                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 291         XSelectInput( xdisplay, xwindow,
 292           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 293           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 294           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 295                       PropertyChangeMask );
 296
 297 #else
 298         xattributes.event_mask =
 299             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 300             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 301             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 302             PropertyChangeMask | VisibilityChangeMask ;
 303
 304         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 305         {
 306             xattributes_mask |= CWBitGravity;
 307             xattributes.bit_gravity = NorthWestGravity;
 308         }
 309
 310         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 311             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 312 #endif
 313
 314         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 315
 316         m_mainWindow = (WXWindow) xwindow;
 317         m_clientWindow = m_mainWindow;
 318         wxAddWindowToTable( xwindow, (wxWindow*) this );
 319
 320         XMapWindow( xdisplay, xwindow );
 321     }
 322
 323     // Is a subwindow, so map immediately
 324     m_isShown = true;
 325
 326     // Without this, the cursor may not be restored properly (e.g. in splitter
 327     // sample).
 328     SetCursor(*wxSTANDARD_CURSOR);
 329     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 330
 331     // Don't call this, it can have nasty repercussions for composite controls,
 332     // for example
 333     //    SetSize(pos.x, pos.y, size.x, size.y);
 334
 335     return true;
 336 }
 337
 338 // Destructor
 339 wxWindowX11::~wxWindowX11()
 340 {
 341     SendDestroyEvent();
 342
 343     if (g_captureWindow == this)
 344         g_captureWindow = NULL;
 345
 346     m_isBeingDeleted = true;
 347
 348     DestroyChildren();
 349
 350     if (m_clientWindow != m_mainWindow)
 351     {
 352         // Destroy the cleint window
 353         Window xwindow = (Window) m_clientWindow;
 354         wxDeleteClientWindowFromTable( xwindow );
 355         XDestroyWindow( wxGlobalDisplay(), xwindow );
 356         m_clientWindow = NULL;
 357     }
 358
 359     // Destroy the window
 360     Window xwindow = (Window) m_mainWindow;
 361     wxDeleteWindowFromTable( xwindow );
 362     XDestroyWindow( wxGlobalDisplay(), xwindow );
 363     m_mainWindow = NULL;
 364 }
 365
 366 // ---------------------------------------------------------------------------
 367 // basic operations
 368 // ---------------------------------------------------------------------------
 369
 370 void wxWindowX11::SetFocus()
 371 {
 372     Window xwindow = (Window) m_clientWindow;
 373
 374     wxCHECK_RET( xwindow, wxT("invalid window") );
 375
 376     // Don't assert; we might be trying to set the focus for a panel
 377     // with only static controls, so the panel returns false from AcceptsFocus.
 378     // The app should be not be expected to deal with this.
 379     if (!AcceptsFocus())
 380         return;
 381
 382 #if 0
 383     if (GetName() == "scrollBar")
 384     {
 385         char *crash = NULL;
 386         *crash = 0;
 387     }
 388 #endif
 389
 390     if (wxWindowIsVisible(xwindow))
 391     {
 392         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 393         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 394         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 395         m_needsInputFocus = false;
 396     }
 397     else
 398     {
 399         m_needsInputFocus = true;
 400     }
 401 }
 402
 403 // Get the window with the focus
 404 wxWindow *wxWindowBase::DoFindFocus()
 405 {
 406     Window xfocus = (Window) 0;
 407     int revert = 0;
 408
 409     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 410     if (xfocus)
 411     {
 412         wxWindow *win = wxGetWindowFromTable( xfocus );
 413         if (!win)
 414         {
 415             win = wxGetClientWindowFromTable( xfocus );
 416         }
 417
 418         return win;
 419     }
 420
 421     return NULL;
 422 }
 423
 424 // Enabling/disabling handled by event loop, and not sending events
 425 // if disabled.
 426 bool wxWindowX11::Enable(bool enable)
 427 {
 428     if ( !wxWindowBase::Enable(enable) )
 429         return false;
 430
 431     return true;
 432 }
 433
 434 bool wxWindowX11::Show(bool show)
 435 {
 436     wxWindowBase::Show(show);
 437
 438     Window xwindow = (Window) m_mainWindow;
 439     Display *xdisp = wxGlobalDisplay();
 440     if (show)
 441     {
 442         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 443         XMapWindow(xdisp, xwindow);
 444     }
 445     else
 446     {
 447         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 448         XUnmapWindow(xdisp, xwindow);
 449     }
 450
 451     return true;
 452 }
 453
 454 // Raise the window to the top of the Z order
 455 void wxWindowX11::Raise()
 456 {
 457     if (m_mainWindow)
 458         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 459 }
 460
 461 // Lower the window to the bottom of the Z order
 462 void wxWindowX11::Lower()
 463 {
 464     if (m_mainWindow)
 465         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 466 }
 467
 468 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 469 {
 470     // TODO
 471 }
 472
 473 wxString wxWindowX11::GetLabel() const
 474 {
 475     // TODO
 476     return wxEmptyString;
 477 }
 478
 479 void wxWindowX11::DoCaptureMouse()
 480 {
 481     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 482     {
 483         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 484
 485         // Core dump now
 486         int *tmp = NULL;
 487         (*tmp) = 1;
 488         return;
 489     }
 490
 491     if (m_winCaptured)
 492         return;
 493
 494     Window xwindow = (Window) m_clientWindow;
 495
 496     wxCHECK_RET( xwindow, wxT("invalid window") );
 497
 498     g_captureWindow = (wxWindow*) this;
 499
 500     if (xwindow)
 501     {
 502         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 503             FALSE,
 504             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 505             GrabModeAsync,
 506             GrabModeAsync,
 507             None,
 508             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 509             CurrentTime );
 510
 511         if (res != GrabSuccess)
 512         {
 513             wxString msg;
 514             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 515             wxLogDebug(msg);
 516             if (res == GrabNotViewable)
 517                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 518
 519             g_captureWindow = NULL;
 520             return;
 521         }
 522
 523         m_winCaptured = true;
 524     }
 525 }
 526
 527 void wxWindowX11::DoReleaseMouse()
 528 {
 529     g_captureWindow = NULL;
 530
 531     if ( !m_winCaptured )
 532         return;
 533
 534     Window xwindow = (Window) m_clientWindow;
 535
 536     if (xwindow)
 537     {
 538         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 539     }
 540
 541     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 542
 543     m_winCaptured = false;
 544 }
 545
 546 bool wxWindowX11::SetFont(const wxFont& font)
 547 {
 548     if ( !wxWindowBase::SetFont(font) )
 549     {
 550         // nothing to do
 551         return false;
 552     }
 553
 554     return true;
 555 }
 556
 557 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 558 {
 559     if ( !wxWindowBase::SetCursor(cursor) )
 560     {
 561         // no change
 562         return false;
 563     }
 564
 565     Window xwindow = (Window) m_clientWindow;
 566
 567     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 568
 569     wxCursor cursorToUse;
 570     if (m_cursor.Ok())
 571         cursorToUse = m_cursor;
 572     else
 573         cursorToUse = *wxSTANDARD_CURSOR;
 574
 575     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 576
 577     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 578
 579     return true;
 580 }
 581
 582 // Coordinates relative to the window
 583 void wxWindowX11::WarpPointer (int x, int y)
 584 {
 585     Window xwindow = (Window) m_clientWindow;
 586
 587     wxCHECK_RET( xwindow, wxT("invalid window") );
 588
 589     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 590 }
 591
 592 // Does a physical scroll
 593 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 594 {
 595     // No scrolling requested.
 596     if ((dx == 0) && (dy == 0)) return;
 597
 598     if (!m_updateRegion.IsEmpty())
 599     {
 600         m_updateRegion.Offset( dx, dy );
 601
 602         int cw = 0;
 603         int ch = 0;
 604         GetSize( &cw, &ch );  // GetClientSize() ??
 605         m_updateRegion.Intersect( 0, 0, cw, ch );
 606     }
 607
 608     if (!m_clearRegion.IsEmpty())
 609     {
 610         m_clearRegion.Offset( dx, dy );
 611
 612         int cw = 0;
 613         int ch = 0;
 614         GetSize( &cw, &ch );  // GetClientSize() ??
 615         m_clearRegion.Intersect( 0, 0, cw, ch );
 616     }
 617
 618     Window xwindow = (Window) GetClientAreaWindow();
 619
 620     wxCHECK_RET( xwindow, wxT("invalid window") );
 621
 622     Display *xdisplay = wxGlobalDisplay();
 623
 624     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 625     XSetGraphicsExposures( xdisplay, xgc, True );
 626
 627     int s_x = 0;
 628     int s_y = 0;
 629     int cw;
 630     int ch;
 631     if (rect)
 632     {
 633         s_x = rect->x;
 634         s_y = rect->y;
 635
 636         cw = rect->width;
 637         ch = rect->height;
 638     }
 639     else
 640     {
 641         s_x = 0;
 642         s_y = 0;
 643         GetClientSize( &cw, &ch );
 644     }
 645
 646 #if wxUSE_TWO_WINDOWS
 647     wxPoint offset( 0,0 );
 648 #else
 649     wxPoint offset = GetClientAreaOrigin();
 650     s_x += offset.x;
 651     s_y += offset.y;
 652 #endif
 653
 654     int w = cw - abs(dx);
 655     int h = ch - abs(dy);
 656
 657     if ((h < 0) || (w < 0))
 658     {
 659         Refresh();
 660     }
 661     else
 662     {
 663         wxRect rect;
 664         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 665         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 666         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 667         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 668
 669         int d_x = s_x;
 670         int d_y = s_y;
 671
 672         if (dx < 0) s_x += -dx;
 673         if (dy < 0) s_y += -dy;
 674         if (dx > 0) d_x = dx + offset.x;
 675         if (dy > 0) d_y = dy + offset.y;
 676
 677         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 678
 679         // 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 );
 680
 681         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 682
 683         m_updateRegion.Union( rect );
 684         m_clearRegion.Union( rect );
 685     }
 686
 687     XFreeGC( xdisplay, xgc );
 688
 689     // Move Clients, but not the scrollbars
 690     // FIXME: There may be a better method to move a lot of Windows within X11
 691     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 692     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 693     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 694     while ( node )
 695     {
 696         // Only propagate to non-top-level windows
 697         wxWindow *win = node->GetData();
 698         if ( win->GetParent() && win != sbH && win != sbV )
 699         {
 700             wxPoint pos = win->GetPosition();
 701             // Add the delta to the old Position
 702             pos.x += dx;
 703             pos.y += dy;
 704             win->SetPosition(pos);
 705         }
 706         node = node->GetNext();
 707     }
 708 }
 709
 710 // ---------------------------------------------------------------------------
 711 // drag and drop
 712 // ---------------------------------------------------------------------------
 713
 714 #if wxUSE_DRAG_AND_DROP
 715
 716 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 717 {
 718     // TODO
 719 }
 720
 721 #endif
 722
 723 // Old style file-manager drag&drop
 724 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 725 {
 726     // TODO
 727 }
 728
 729 // ----------------------------------------------------------------------------
 730 // tooltips
 731 // ----------------------------------------------------------------------------
 732
 733 #if wxUSE_TOOLTIPS
 734
 735 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 736 {
 737     // TODO
 738 }
 739
 740 #endif // wxUSE_TOOLTIPS
 741
 742 // ---------------------------------------------------------------------------
 743 // moving and resizing
 744 // ---------------------------------------------------------------------------
 745
 746 bool wxWindowX11::PreResize()
 747 {
 748     return true;
 749 }
 750
 751 // Get total size
 752 void wxWindowX11::DoGetSize(int *x, int *y) const
 753 {
 754     Window xwindow = (Window) m_mainWindow;
 755
 756     wxCHECK_RET( xwindow, wxT("invalid window") );
 757
 758     //XSync(wxGlobalDisplay(), False);
 759
 760     XWindowAttributes attr;
 761     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 762     wxASSERT(status);
 763
 764     if (status)
 765     {
 766         *x = attr.width /* + 2*m_borderSize */ ;
 767         *y = attr.height /* + 2*m_borderSize */ ;
 768     }
 769 }
 770
 771 void wxWindowX11::DoGetPosition(int *x, int *y) const
 772 {
 773     Window window = (Window) m_mainWindow;
 774     if (window)
 775     {
 776         //XSync(wxGlobalDisplay(), False);
 777         XWindowAttributes attr;
 778         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 779         wxASSERT(status);
 780
 781         if (status)
 782         {
 783             *x = attr.x;
 784             *y = attr.y;
 785
 786             // We may be faking the client origin. So a window that's really at (0, 30)
 787             // may appear (to wxWin apps) to be at (0, 0).
 788             if (GetParent())
 789             {
 790                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 791                 *x -= pt.x;
 792                 *y -= pt.y;
 793             }
 794         }
 795     }
 796 }
 797
 798 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 799 {
 800     Display *display = wxGlobalDisplay();
 801     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 802     Window thisWindow = (Window) m_clientWindow;
 803
 804     Window childWindow;
 805     int xx = *x;
 806     int yy = *y;
 807     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 808 }
 809
 810 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 811 {
 812     Display *display = wxGlobalDisplay();
 813     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 814     Window thisWindow = (Window) m_clientWindow;
 815
 816     Window childWindow;
 817     int xx = *x;
 818     int yy = *y;
 819     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 820 }
 821
 822
 823 // Get size *available for subwindows* i.e. excluding menu bar etc.
 824 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 825 {
 826     Window window = (Window) m_mainWindow;
 827
 828     if (window)
 829     {
 830         XWindowAttributes attr;
 831         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 832         wxASSERT(status);
 833
 834         if (status)
 835         {
 836             *x = attr.width ;
 837             *y = attr.height ;
 838         }
 839     }
 840 }
 841
 842 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 843 {
 844     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 845
 846     Window xwindow = (Window) m_mainWindow;
 847
 848     wxCHECK_RET( xwindow, wxT("invalid window") );
 849
 850     XWindowAttributes attr;
 851     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 852     wxCHECK_RET( status, wxT("invalid window attributes") );
 853
 854     int new_x = attr.x;
 855     int new_y = attr.y;
 856     int new_w = attr.width;
 857     int new_h = attr.height;
 858
 859     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 860     {
 861         int yy = 0;
 862         AdjustForParentClientOrigin( x, yy, sizeFlags);
 863         new_x = x;
 864     }
 865     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 866     {
 867         int xx = 0;
 868         AdjustForParentClientOrigin( xx, y, sizeFlags);
 869         new_y = y;
 870     }
 871     if (width != wxDefaultCoord)
 872     {
 873         new_w = width;
 874         if (new_w <= 0)
 875             new_w = 20;
 876     }
 877     if (height != wxDefaultCoord)
 878     {
 879         new_h = height;
 880         if (new_h <= 0)
 881             new_h = 20;
 882     }
 883
 884     DoMoveWindow( new_x, new_y, new_w, new_h );
 885 }
 886
 887 void wxWindowX11::DoSetClientSize(int width, int height)
 888 {
 889     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 890
 891     Window xwindow = (Window) m_mainWindow;
 892
 893     wxCHECK_RET( xwindow, wxT("invalid window") );
 894
 895     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 896
 897     if (m_mainWindow != m_clientWindow)
 898     {
 899         xwindow = (Window) m_clientWindow;
 900
 901         wxWindow *window = (wxWindow*) this;
 902         wxRenderer *renderer = window->GetRenderer();
 903         if (renderer)
 904         {
 905             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 906             width -= border.x + border.width;
 907             height -= border.y + border.height;
 908         }
 909
 910         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 911     }
 912 }
 913
 914 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 915 {
 916     Window xwindow = (Window) m_mainWindow;
 917
 918     wxCHECK_RET( xwindow, wxT("invalid window") );
 919
 920 #if !wxUSE_NANOX
 921
 922     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 923     if (m_mainWindow != m_clientWindow)
 924     {
 925         xwindow = (Window) m_clientWindow;
 926
 927         wxWindow *window = (wxWindow*) this;
 928         wxRenderer *renderer = window->GetRenderer();
 929         if (renderer)
 930         {
 931             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 932             x = border.x;
 933             y = border.y;
 934             width -= border.x + border.width;
 935             height -= border.y + border.height;
 936         }
 937         else
 938         {
 939             x = 0;
 940             y = 0;
 941         }
 942
 943         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 944         if (sb && sb->IsShown())
 945         {
 946             wxSize size = sb->GetSize();
 947             height -= size.y;
 948         }
 949         sb = window->GetScrollbar( wxVERTICAL );
 950         if (sb && sb->IsShown())
 951         {
 952             wxSize size = sb->GetSize();
 953             width -= size.x;
 954         }
 955
 956         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 957     }
 958
 959 #else
 960
 961     XWindowChanges windowChanges;
 962     windowChanges.x = x;
 963     windowChanges.y = y;
 964     windowChanges.width = width;
 965     windowChanges.height = height;
 966     windowChanges.stack_mode = 0;
 967     int valueMask = CWX | CWY | CWWidth | CWHeight;
 968
 969     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 970
 971 #endif
 972 }
 973
 974 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 975 {
 976     m_minWidth = minW;
 977     m_minHeight = minH;
 978     m_maxWidth = maxW;
 979     m_maxHeight = maxH;
 980
 981 #if !wxUSE_NANOX
 982     XSizeHints sizeHints;
 983     sizeHints.flags = 0;
 984
 985     if (minW > -1 && minH > -1)
 986     {
 987         sizeHints.flags |= PMinSize;
 988         sizeHints.min_width = minW;
 989         sizeHints.min_height = minH;
 990     }
 991     if (maxW > -1 && maxH > -1)
 992     {
 993         sizeHints.flags |= PMaxSize;
 994         sizeHints.max_width = maxW;
 995         sizeHints.max_height = maxH;
 996     }
 997     if (incW > -1 && incH > -1)
 998     {
 999         sizeHints.flags |= PResizeInc;
1000         sizeHints.width_inc = incW;
1001         sizeHints.height_inc = incH;
1002     }
1003
1004     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1005 #endif
1006 }
1007
1008 // ---------------------------------------------------------------------------
1009 // text metrics
1010 // ---------------------------------------------------------------------------
1011
1012 int wxWindowX11::GetCharHeight() const
1013 {
1014     wxFont font(GetFont());
1015     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1016
1017 #if wxUSE_UNICODE
1018     // There should be an easier way.
1019     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1020     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1021     pango_layout_set_text(layout, "H", 1 );
1022     int w,h;
1023     pango_layout_get_pixel_size(layout, &w, &h);
1024     g_object_unref( G_OBJECT( layout ) );
1025
1026     return h;
1027 #else
1028     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1029
1030     int direction, ascent, descent;
1031     XCharStruct overall;
1032     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1033         &descent, &overall);
1034
1035     //  return (overall.ascent + overall.descent);
1036     return (ascent + descent);
1037 #endif
1038 }
1039
1040 int wxWindowX11::GetCharWidth() const
1041 {
1042     wxFont font(GetFont());
1043     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1044
1045 #if wxUSE_UNICODE
1046     // There should be an easier way.
1047     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1048     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1049     pango_layout_set_text(layout, "H", 1 );
1050     int w,h;
1051     pango_layout_get_pixel_size(layout, &w, &h);
1052     g_object_unref( G_OBJECT( layout ) );
1053
1054     return w;
1055 #else
1056     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1057
1058     int direction, ascent, descent;
1059     XCharStruct overall;
1060     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1061         &descent, &overall);
1062
1063     return overall.width;
1064 #endif
1065 }
1066
1067 void wxWindowX11::GetTextExtent(const wxString& string,
1068                                 int *x, int *y,
1069                                 int *descent, int *externalLeading,
1070                                 const wxFont *theFont) const
1071 {
1072     wxFont fontToUse = GetFont();
1073     if (theFont) fontToUse = *theFont;
1074
1075     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1076
1077     if (string.empty())
1078     {
1079         if (x) (*x) = 0;
1080         if (y) (*y) = 0;
1081         return;
1082     }
1083
1084 #if wxUSE_UNICODE
1085     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1086
1087     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1088     pango_layout_set_font_description(layout, desc);
1089
1090     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1091     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1092
1093     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1094
1095
1096     PangoRectangle rect;
1097     pango_layout_line_get_extents(line, NULL, &rect);
1098
1099     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1100     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1101     if (descent)
1102     {
1103         // Do something about metrics here
1104         (*descent) = 0;
1105     }
1106     if (externalLeading) (*externalLeading) = 0;  // ??
1107
1108     g_object_unref( G_OBJECT( layout ) );
1109 #else
1110     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1111
1112     int direction, ascent, descent2;
1113     XCharStruct overall;
1114     int slen = string.length();
1115
1116     XTextExtents((XFontStruct*) pFontStruct, (char*) string.c_str(), slen,
1117                  &direction, &ascent, &descent2, &overall);
1118
1119     if ( x )
1120         *x = (overall.width);
1121     if ( y )
1122         *y = (ascent + descent2);
1123     if (descent)
1124         *descent = descent2;
1125     if (externalLeading)
1126         *externalLeading = 0;
1127 #endif
1128 }
1129
1130 // ----------------------------------------------------------------------------
1131 // painting
1132 // ----------------------------------------------------------------------------
1133
1134 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1135 {
1136     if (eraseBack)
1137     {
1138         if (rect)
1139         {
1140             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1141             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1142         }
1143         else
1144         {
1145             int height,width;
1146             GetSize( &width, &height );
1147
1148             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1149             m_clearRegion.Clear();
1150             m_clearRegion.Union( 0, 0, width, height );
1151         }
1152     }
1153
1154     if (rect)
1155     {
1156          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1157          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1158     }
1159     else
1160     {
1161         int height,width;
1162         GetSize( &width, &height );
1163
1164         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1165         m_updateRegion.Clear();
1166         m_updateRegion.Union( 0, 0, width, height );
1167     }
1168 }
1169
1170 void wxWindowX11::Update()
1171 {
1172     if (m_updateNcArea)
1173     {
1174         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1175         // Send nc paint events.
1176         SendNcPaintEvents();
1177     }
1178
1179     if (!m_updateRegion.IsEmpty())
1180     {
1181         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1182         // Actually send erase events.
1183         SendEraseEvents();
1184
1185         // Actually send paint events.
1186         SendPaintEvents();
1187     }
1188 }
1189
1190 void wxWindowX11::SendEraseEvents()
1191 {
1192     if (m_clearRegion.IsEmpty()) return;
1193
1194     wxClientDC dc( (wxWindow*)this );
1195     dc.SetClippingRegion( m_clearRegion );
1196
1197     wxEraseEvent erase_event( GetId(), &dc );
1198     erase_event.SetEventObject( this );
1199
1200     if (!GetEventHandler()->ProcessEvent(erase_event) )
1201     {
1202         Display *xdisplay = wxGlobalDisplay();
1203         Window xwindow = (Window) GetClientAreaWindow();
1204         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1205
1206         wxRegionIterator upd( m_clearRegion );
1207         while (upd)
1208         {
1209             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1210                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1211             upd ++;
1212         }
1213     }
1214
1215     m_clearRegion.Clear();
1216 }
1217
1218 void wxWindowX11::SendPaintEvents()
1219 {
1220     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1221
1222     m_clipPaintRegion = true;
1223
1224     wxPaintEvent paint_event( GetId() );
1225     paint_event.SetEventObject( this );
1226     GetEventHandler()->ProcessEvent( paint_event );
1227
1228     m_updateRegion.Clear();
1229
1230     m_clipPaintRegion = false;
1231 }
1232
1233 void wxWindowX11::SendNcPaintEvents()
1234 {
1235     wxWindow *window = (wxWindow*) this;
1236
1237     // All this for drawing the small square between the scrollbars.
1238     int width = 0;
1239     int height = 0;
1240     int x = 0;
1241     int y = 0;
1242     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1243     if (sb && sb->IsShown())
1244     {
1245         height = sb->GetSize().y;
1246         y = sb->GetPosition().y;
1247
1248         sb = window->GetScrollbar( wxVERTICAL );
1249         if (sb && sb->IsShown())
1250         {
1251             width = sb->GetSize().x;
1252             x = sb->GetPosition().x;
1253
1254             Display *xdisplay = wxGlobalDisplay();
1255             Window xwindow = (Window) GetMainWindow();
1256             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1257             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1258             colour.CalcPixel( (WXColormap) cm );
1259
1260             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1261
1262             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1263         }
1264     }
1265
1266     wxNcPaintEvent nc_paint_event( GetId() );
1267     nc_paint_event.SetEventObject( this );
1268     GetEventHandler()->ProcessEvent( nc_paint_event );
1269
1270     m_updateNcArea = false;
1271 }
1272
1273 // ----------------------------------------------------------------------------
1274 // event handlers
1275 // ----------------------------------------------------------------------------
1276
1277 // Responds to colour changes: passes event on to children.
1278 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1279 {
1280     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1281     while ( node )
1282     {
1283         // Only propagate to non-top-level windows
1284         wxWindow *win = node->GetData();
1285         if ( win->GetParent() )
1286         {
1287             wxSysColourChangedEvent event2;
1288             event.SetEventObject(win);
1289             win->GetEventHandler()->ProcessEvent(event2);
1290         }
1291
1292         node = node->GetNext();
1293     }
1294 }
1295
1296 // See handler for InFocus case in app.cpp for details.
1297 wxWindow* g_GettingFocus = NULL;
1298
1299 void wxWindowX11::OnInternalIdle()
1300 {
1301     // Update invalidated regions.
1302     Update();
1303
1304     // This calls the UI-update mechanism (querying windows for
1305     // menu/toolbar/control state information)
1306     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this))
1307         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1308
1309     // Set the input focus if couldn't do it before
1310     if (m_needsInputFocus)
1311     {
1312 #if 0
1313         wxString msg;
1314         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1315         printf(msg.c_str());
1316 #endif
1317         SetFocus();
1318
1319         // If it couldn't set the focus now, there's
1320         // no point in trying again.
1321         m_needsInputFocus = false;
1322     }
1323     g_GettingFocus = NULL;
1324 }
1325
1326 // ----------------------------------------------------------------------------
1327 // function which maintain the global hash table mapping Widgets to wxWidgets
1328 // ----------------------------------------------------------------------------
1329
1330 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1331 {
1332     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1333     {
1334         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1335                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1336         return false;
1337     }
1338
1339     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1340                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1341
1342     return true;
1343 }
1344
1345 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1346 {
1347     wxWindowHash::iterator i = hash->find(w);
1348     return i == hash->end() ? NULL : i->second;
1349 }
1350
1351 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1352 {
1353     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1354
1355     hash->erase(w);
1356 }
1357
1358 // ----------------------------------------------------------------------------
1359 // public wrappers
1360 // ----------------------------------------------------------------------------
1361
1362 bool wxAddWindowToTable(Window w, wxWindow *win)
1363 {
1364     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1365 }
1366
1367 wxWindow *wxGetWindowFromTable(Window w)
1368 {
1369     return DoGetWindowFromTable(wxWidgetHashTable, w);
1370 }
1371
1372 void wxDeleteWindowFromTable(Window w)
1373 {
1374     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1375 }
1376
1377 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1378 {
1379     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1380 }
1381
1382 wxWindow *wxGetClientWindowFromTable(Window w)
1383 {
1384     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1385 }
1386
1387 void wxDeleteClientWindowFromTable(Window w)
1388 {
1389     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1390 }
1391
1392 // ----------------------------------------------------------------------------
1393 // X11-specific accessors
1394 // ----------------------------------------------------------------------------
1395
1396 WXWindow wxWindowX11::GetMainWindow() const
1397 {
1398     return m_mainWindow;
1399 }
1400
1401 WXWindow wxWindowX11::GetClientAreaWindow() const
1402 {
1403     return m_clientWindow;
1404 }
1405
1406 // ----------------------------------------------------------------------------
1407 // TranslateXXXEvent() functions
1408 // ----------------------------------------------------------------------------
1409
1410 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1411 {
1412     switch (XEventGetType(xevent))
1413     {
1414         case EnterNotify:
1415         case LeaveNotify:
1416         case ButtonPress:
1417         case ButtonRelease:
1418         case MotionNotify:
1419         {
1420             wxEventType eventType = wxEVT_NULL;
1421
1422             if (XEventGetType(xevent) == EnterNotify)
1423             {
1424                 //if (local_event.xcrossing.mode!=NotifyNormal)
1425                 //  return ; // Ignore grab events
1426                 eventType = wxEVT_ENTER_WINDOW;
1427                 //            canvas->GetEventHandler()->OnSetFocus();
1428             }
1429             else if (XEventGetType(xevent) == LeaveNotify)
1430             {
1431                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1432                 //  return ; // Ignore grab events
1433                 eventType = wxEVT_LEAVE_WINDOW;
1434                 //            canvas->GetEventHandler()->OnKillFocus();
1435             }
1436             else if (XEventGetType(xevent) == MotionNotify)
1437             {
1438                 eventType = wxEVT_MOTION;
1439             }
1440             else if (XEventGetType(xevent) == ButtonPress)
1441             {
1442                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1443                 int button = 0;
1444                 if (XButtonEventLChanged(xevent))
1445                 {
1446                     eventType = wxEVT_LEFT_DOWN;
1447                     button = 1;
1448                 }
1449                 else if (XButtonEventMChanged(xevent))
1450                 {
1451                     eventType = wxEVT_MIDDLE_DOWN;
1452                     button = 2;
1453                 }
1454                 else if (XButtonEventRChanged(xevent))
1455                 {
1456                     eventType = wxEVT_RIGHT_DOWN;
1457                     button = 3;
1458                 }
1459
1460                 // check for a double click
1461                 // TODO: where can we get this value from?
1462                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1463                 long dclickTime = 200;
1464                 long ts = wxevent.GetTimestamp();
1465
1466                 int buttonLast = win->GetLastClickedButton();
1467                 long lastTS = win->GetLastClickTime();
1468                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1469                 {
1470                     // I have a dclick
1471                     win->SetLastClick(0, ts);
1472                     if ( eventType == wxEVT_LEFT_DOWN )
1473                         eventType = wxEVT_LEFT_DCLICK;
1474                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1475                         eventType = wxEVT_MIDDLE_DCLICK;
1476                     else if ( eventType == wxEVT_RIGHT_DOWN )
1477                         eventType = wxEVT_RIGHT_DCLICK;
1478                 }
1479                 else
1480                 {
1481                     // not fast enough or different button
1482                     win->SetLastClick(button, ts);
1483                 }
1484             }
1485             else if (XEventGetType(xevent) == ButtonRelease)
1486             {
1487                 if (XButtonEventLChanged(xevent))
1488                 {
1489                     eventType = wxEVT_LEFT_UP;
1490                 }
1491                 else if (XButtonEventMChanged(xevent))
1492                 {
1493                     eventType = wxEVT_MIDDLE_UP;
1494                 }
1495                 else if (XButtonEventRChanged(xevent))
1496                 {
1497                     eventType = wxEVT_RIGHT_UP;
1498                 }
1499                 else return false;
1500             }
1501             else
1502             {
1503                 return false;
1504             }
1505
1506             wxevent.SetEventType(eventType);
1507
1508             wxevent.m_x = XButtonEventGetX(xevent);
1509             wxevent.m_y = XButtonEventGetY(xevent);
1510
1511             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1512                 || (XButtonEventLIsDown(xevent)
1513                 && (eventType != wxEVT_LEFT_UP)));
1514             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1515                 || (XButtonEventMIsDown(xevent)
1516                 && (eventType != wxEVT_MIDDLE_UP)));
1517             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1518                 || (XButtonEventRIsDown (xevent)
1519                 && (eventType != wxEVT_RIGHT_UP)));
1520
1521             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1522             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1523             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1524             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1525
1526             wxevent.SetId(win->GetId());
1527             wxevent.SetEventObject(win);
1528
1529             return true;
1530         }
1531     }
1532     return false;
1533 }
1534
1535 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1536 {
1537     switch (XEventGetType(xevent))
1538     {
1539     case KeyPress:
1540     case KeyRelease:
1541         {
1542             char buf[20];
1543
1544             KeySym keySym;
1545             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1546             int id = wxCharCodeXToWX (keySym);
1547             // id may be WXK_xxx code - these are outside ASCII range, so we
1548             // can't just use toupper() on id.
1549             // Only change this if we want the raw key that was pressed,
1550             // and don't change it if we want an ASCII value.
1551             if (!isAscii && (id >= 'a' && id <= 'z'))
1552             {
1553                 id = id + 'A' - 'a';
1554             }
1555
1556             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1557             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1558             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1559             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1560             wxevent.SetEventObject(win);
1561             wxevent.m_keyCode = id;
1562             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1563
1564             wxevent.m_x = XKeyEventGetX(xevent);
1565             wxevent.m_y = XKeyEventGetY(xevent);
1566
1567             return id > -1;
1568         }
1569     default:
1570         break;
1571     }
1572     return false;
1573 }
1574
1575 // ----------------------------------------------------------------------------
1576 // Colour stuff
1577 // ----------------------------------------------------------------------------
1578
1579 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1580 {
1581     wxWindowBase::SetBackgroundColour(col);
1582
1583     Display *xdisplay = (Display*) wxGlobalDisplay();
1584     int xscreen = DefaultScreen( xdisplay );
1585     Colormap cm = DefaultColormap( xdisplay, xscreen );
1586
1587     m_backgroundColour.CalcPixel( (WXColormap) cm );
1588
1589     // We don't set the background colour as we paint
1590     // the background ourselves.
1591     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1592
1593     return true;
1594 }
1595
1596 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1597 {
1598     if ( !wxWindowBase::SetForegroundColour(col) )
1599         return false;
1600
1601     return true;
1602 }
1603
1604 // ----------------------------------------------------------------------------
1605 // global functions
1606 // ----------------------------------------------------------------------------
1607
1608 wxWindow *wxGetActiveWindow()
1609 {
1610     // TODO
1611     wxFAIL_MSG(wxT("Not implemented"));
1612     return NULL;
1613 }
1614
1615 /* static */
1616 wxWindow *wxWindowBase::GetCapture()
1617 {
1618     return (wxWindow *)g_captureWindow;
1619 }
1620
1621
1622 // Find the wxWindow at the current mouse position, returning the mouse
1623 // position.
1624 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1625 {
1626     return wxFindWindowAtPoint(wxGetMousePosition());
1627 }
1628
1629 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1630 {
1631 #if wxUSE_NANOX
1632     /* TODO */
1633     rootX = rootY = 0;
1634     maskReturn = 0;
1635 #else
1636     Display *display = wxGlobalDisplay();
1637     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1638     Window rootReturn, childReturn;
1639     int winX, winY;
1640
1641     XQueryPointer (display,
1642                    rootWindow,
1643                    &rootReturn,
1644                    &childReturn,
1645                    &rootX, &rootY, &winX, &winY, &maskReturn);
1646 #endif
1647 }
1648
1649 // Get the current mouse position.
1650 wxPoint wxGetMousePosition()
1651 {
1652     int x, y;
1653     unsigned mask;
1654
1655     wxGetMouseState(x, y, mask);
1656     return wxPoint(x, y);
1657 }
1658
1659 wxMouseState wxGetMouseState()
1660 {
1661     wxMouseState ms;
1662     int x, y;
1663     unsigned mask;
1664
1665     wxGetMouseState(x, y, mask);
1666
1667     ms.SetX(x);
1668     ms.SetY(y);
1669
1670     ms.SetLeftDown(mask & Button1Mask);
1671     ms.SetMiddleDown(mask & Button2Mask);
1672     ms.SetRightDown(mask & Button3Mask);
1673
1674     ms.SetControlDown(mask & ControlMask);
1675     ms.SetShiftDown(mask & ShiftMask);
1676     ms.SetAltDown(mask & Mod3Mask);
1677     ms.SetMetaDown(mask & Mod1Mask);
1678
1679     return ms;
1680 }
1681
1682
1683 // ----------------------------------------------------------------------------
1684 // wxNoOptimize: switch off size optimization
1685 // ----------------------------------------------------------------------------
1686
1687 int wxNoOptimize::ms_count = 0;
1688
1689
1690 // ----------------------------------------------------------------------------
1691 // wxDCModule
1692 // ----------------------------------------------------------------------------
1693
1694 class wxWinModule : public wxModule
1695 {
1696 public:
1697     bool OnInit();
1698     void OnExit();
1699
1700 private:
1701     DECLARE_DYNAMIC_CLASS(wxWinModule)
1702 };
1703
1704 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1705
1706 bool wxWinModule::OnInit()
1707 {
1708     Display *xdisplay = wxGlobalDisplay();
1709     int xscreen = DefaultScreen( xdisplay );
1710     Window xroot = RootWindow( xdisplay, xscreen );
1711     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1712     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1713
1714     return true;
1715 }
1716
1717 void wxWinModule::OnExit()
1718 {
1719     Display *xdisplay = wxGlobalDisplay();
1720     XFreeGC( xdisplay, g_eraseGC );
1721 }