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     #include "wx/unix/utilsx11.h"
  51 #endif
  52
  53 #include "wx/fontutil.h"
  54 #include "wx/univ/renderer.h"
  55
  56 #if  wxUSE_DRAG_AND_DROP
  57     #include "wx/dnd.h"
  58 #endif
  59
  60 #include "wx/x11/private.h"
  61 #include "X11/Xutil.h"
  62
  63 #include <string.h>
  64
  65 // ----------------------------------------------------------------------------
  66 // global variables for this module
  67 // ----------------------------------------------------------------------------
  68
  69 static wxWindow* g_captureWindow = NULL;
  70 static GC g_eraseGC;
  71
  72 // ----------------------------------------------------------------------------
  73 // macros
  74 // ----------------------------------------------------------------------------
  75
  76 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  77 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  78 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  79
  80 // ----------------------------------------------------------------------------
  81 // event tables
  82 // ----------------------------------------------------------------------------
  83
  84 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  85
  86 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  87     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  88 END_EVENT_TABLE()
  89
  90 // ============================================================================
  91 // implementation
  92 // ============================================================================
  93
  94 // ----------------------------------------------------------------------------
  95 // helper functions
  96 // ----------------------------------------------------------------------------
  97
  98 // ----------------------------------------------------------------------------
  99 // constructors
 100 // ----------------------------------------------------------------------------
 101
 102 void wxWindowX11::Init()
 103 {
 104     // X11-specific
 105     m_mainWindow = (WXWindow) 0;
 106     m_clientWindow = (WXWindow) 0;
 107     m_insertIntoMain = false;
 108     m_updateNcArea = false;
 109
 110     m_winCaptured = false;
 111     m_needsInputFocus = false;
 112     m_isShown = true;
 113     m_lastTS = 0;
 114     m_lastButton = 0;
 115 }
 116
 117 // real construction (Init() must have been called before!)
 118 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 119                          const wxPoint& pos,
 120                          const wxSize& size,
 121                          long style,
 122                          const wxString& name)
 123 {
 124     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 125
 126     // Get default border
 127     wxBorder border = GetBorder(style);
 128     style &= ~wxBORDER_MASK;
 129     style |= border;
 130
 131     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 132
 133     parent->AddChild(this);
 134
 135     Display *xdisplay = (Display*) wxGlobalDisplay();
 136     int xscreen = DefaultScreen( xdisplay );
 137     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 138     Colormap cm = DefaultColormap( xdisplay, xscreen );
 139
 140     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 141     m_backgroundColour.CalcPixel( (WXColormap) cm );
 142
 143     m_foregroundColour = *wxBLACK;
 144     m_foregroundColour.CalcPixel( (WXColormap) cm );
 145
 146     Window xparent = (Window) parent->GetClientAreaWindow();
 147
 148     // Add window's own scrollbars to main window, not to client window
 149     if (parent->GetInsertIntoMain())
 150     {
 151         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 152         xparent = (Window) parent->X11GetMainWindow();
 153     }
 154
 155     // Size (not including the border) must be nonzero (or a Value error results)!
 156     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 157     wxSize size2(size);
 158     if (size2.x <= 0)
 159         size2.x = 20;
 160     if (size2.y <= 0)
 161         size2.y = 20;
 162
 163     wxPoint pos2(pos);
 164     if (pos2.x == wxDefaultCoord)
 165         pos2.x = 0;
 166     if (pos2.y == wxDefaultCoord)
 167         pos2.y = 0;
 168
 169     AdjustForParentClientOrigin(pos2.x, pos2.y);
 170
 171 #if wxUSE_TWO_WINDOWS
 172     bool need_two_windows =
 173         ((( wxSUNKEN_BORDER | wxBORDER_THEME | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 174 #else
 175     bool need_two_windows = false;
 176 #endif
 177
 178 #if wxUSE_NANOX
 179     long xattributes = 0;
 180 #else
 181     XSetWindowAttributes xattributes;
 182     long xattributes_mask = 0;
 183
 184     xattributes_mask |= CWBackPixel;
 185     xattributes.background_pixel = m_backgroundColour.GetPixel();
 186
 187     xattributes_mask |= CWBorderPixel;
 188     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 189
 190     xattributes_mask |= CWEventMask;
 191 #endif
 192
 193     if (need_two_windows)
 194     {
 195 #if wxUSE_NANOX
 196         long backColor, foreColor;
 197         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 198         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 199
 200         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 201                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 202         XSelectInput( xdisplay, xwindow,
 203           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 204           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 205           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 206                       PropertyChangeMask );
 207
 208 #else
 209         // Normal X11
 210         xattributes.event_mask =
 211             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 212
 213         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 214             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 215
 216 #endif
 217
 218         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 219
 220         m_mainWindow = (WXWindow) xwindow;
 221         wxAddWindowToTable( xwindow, (wxWindow*) this );
 222
 223         XMapWindow( xdisplay, xwindow );
 224
 225 #if !wxUSE_NANOX
 226         xattributes.event_mask =
 227             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 228             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 229             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 230             PropertyChangeMask | VisibilityChangeMask ;
 231
 232         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 233         {
 234             xattributes_mask |= CWBitGravity;
 235             xattributes.bit_gravity = StaticGravity;
 236         }
 237 #endif
 238
 239         if (HasFlag(wxSUNKEN_BORDER) || HasFlag(wxRAISED_BORDER) || HasFlag(wxBORDER_THEME))
 240         {
 241             pos2.x = 2;
 242             pos2.y = 2;
 243             size2.x -= 4;
 244             size2.y -= 4;
 245         }
 246         else if (HasFlag( wxSIMPLE_BORDER ))
 247         {
 248             pos2.x = 1;
 249             pos2.y = 1;
 250             size2.x -= 2;
 251             size2.y -= 2;
 252         }
 253         else
 254         {
 255             pos2.x = 0;
 256             pos2.y = 0;
 257         }
 258
 259         // Make again sure the size is nonzero.
 260         if (size2.x <= 0)
 261             size2.x = 1;
 262         if (size2.y <= 0)
 263             size2.y = 1;
 264
 265 #if wxUSE_NANOX
 266         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 267         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 268
 269         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 270                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 271         XSelectInput( xdisplay, xwindow,
 272           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 273           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 274           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 275                       PropertyChangeMask );
 276
 277 #else
 278         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 279             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 280 #endif
 281
 282         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 283
 284         m_clientWindow = (WXWindow) xwindow;
 285         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 286
 287         XMapWindow( xdisplay, xwindow );
 288     }
 289     else
 290     {
 291         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 292 #if wxUSE_NANOX
 293         long backColor, foreColor;
 294         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 295         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 296
 297         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 298                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 299         XSelectInput( xdisplay, xwindow,
 300           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 301           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 302           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 303                       PropertyChangeMask );
 304
 305 #else
 306         xattributes.event_mask =
 307             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 308             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 309             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 310             PropertyChangeMask | VisibilityChangeMask ;
 311
 312         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 313         {
 314             xattributes_mask |= CWBitGravity;
 315             xattributes.bit_gravity = NorthWestGravity;
 316         }
 317
 318         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 319             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 320 #endif
 321
 322         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 323
 324         m_mainWindow = (WXWindow) xwindow;
 325         m_clientWindow = m_mainWindow;
 326         wxAddWindowToTable( xwindow, (wxWindow*) this );
 327
 328         XMapWindow( xdisplay, xwindow );
 329     }
 330
 331     // Is a subwindow, so map immediately
 332     m_isShown = true;
 333
 334     // Without this, the cursor may not be restored properly (e.g. in splitter
 335     // sample).
 336     SetCursor(*wxSTANDARD_CURSOR);
 337     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 338
 339     // Don't call this, it can have nasty repercussions for composite controls,
 340     // for example
 341     //    SetSize(pos.x, pos.y, size.x, size.y);
 342
 343     return true;
 344 }
 345
 346 // Destructor
 347 wxWindowX11::~wxWindowX11()
 348 {
 349     SendDestroyEvent();
 350
 351     if (g_captureWindow == this)
 352         g_captureWindow = NULL;
 353
 354     DestroyChildren();
 355
 356     if (m_clientWindow != m_mainWindow)
 357     {
 358         // Destroy the cleint window
 359         Window xwindow = (Window) m_clientWindow;
 360         wxDeleteClientWindowFromTable( xwindow );
 361         XDestroyWindow( wxGlobalDisplay(), xwindow );
 362         m_clientWindow = NULL;
 363     }
 364
 365     // Destroy the window
 366     if ( m_mainWindow )
 367     {
 368         Window xwindow = (Window) m_mainWindow;
 369         wxDeleteWindowFromTable( xwindow );
 370         XDestroyWindow( wxGlobalDisplay(), xwindow );
 371         m_mainWindow = NULL;
 372     }
 373 }
 374
 375 // ---------------------------------------------------------------------------
 376 // basic operations
 377 // ---------------------------------------------------------------------------
 378
 379 void wxWindowX11::SetFocus()
 380 {
 381     Window xwindow = (Window) m_clientWindow;
 382
 383     wxCHECK_RET( xwindow, wxT("invalid window") );
 384
 385     // Don't assert; we might be trying to set the focus for a panel
 386     // with only static controls, so the panel returns false from AcceptsFocus.
 387     // The app should be not be expected to deal with this.
 388     if (!AcceptsFocus())
 389         return;
 390
 391 #if 0
 392     if (GetName() == "scrollBar")
 393     {
 394         char *crash = NULL;
 395         *crash = 0;
 396     }
 397 #endif
 398
 399     if (wxWindowIsVisible(xwindow))
 400     {
 401         wxLogTrace( wxT("focus"), wxT("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 402         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 403         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 404         m_needsInputFocus = false;
 405     }
 406     else
 407     {
 408         m_needsInputFocus = true;
 409     }
 410 }
 411
 412 // Get the window with the focus
 413 wxWindow *wxWindowBase::DoFindFocus()
 414 {
 415     Window xfocus = (Window) 0;
 416     int revert = 0;
 417
 418     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 419     if (xfocus)
 420     {
 421         wxWindow *win = wxGetWindowFromTable( xfocus );
 422         if (!win)
 423         {
 424             win = wxGetClientWindowFromTable( xfocus );
 425         }
 426
 427         return win;
 428     }
 429
 430     return NULL;
 431 }
 432
 433 // Enabling/disabling handled by event loop, and not sending events
 434 // if disabled.
 435 bool wxWindowX11::Enable(bool enable)
 436 {
 437     if ( !wxWindowBase::Enable(enable) )
 438         return false;
 439
 440     return true;
 441 }
 442
 443 bool wxWindowX11::Show(bool show)
 444 {
 445     wxWindowBase::Show(show);
 446
 447     Window xwindow = (Window) m_mainWindow;
 448     Display *xdisp = wxGlobalDisplay();
 449     if (show)
 450     {
 451         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 452         XMapWindow(xdisp, xwindow);
 453     }
 454     else
 455     {
 456         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 457         XUnmapWindow(xdisp, xwindow);
 458     }
 459
 460     return true;
 461 }
 462
 463 // Raise the window to the top of the Z order
 464 void wxWindowX11::Raise()
 465 {
 466     if (m_mainWindow)
 467         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 468 }
 469
 470 // Lower the window to the bottom of the Z order
 471 void wxWindowX11::Lower()
 472 {
 473     if (m_mainWindow)
 474         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 475 }
 476
 477 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 478 {
 479     // TODO
 480 }
 481
 482 wxString wxWindowX11::GetLabel() const
 483 {
 484     // TODO
 485     return wxEmptyString;
 486 }
 487
 488 void wxWindowX11::DoCaptureMouse()
 489 {
 490     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 491     {
 492         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 493
 494         // Core dump now
 495         int *tmp = NULL;
 496         (*tmp) = 1;
 497         return;
 498     }
 499
 500     if (m_winCaptured)
 501         return;
 502
 503     Window xwindow = (Window) m_clientWindow;
 504
 505     wxCHECK_RET( xwindow, wxT("invalid window") );
 506
 507     g_captureWindow = (wxWindow*) this;
 508
 509     if (xwindow)
 510     {
 511         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 512             FALSE,
 513             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 514             GrabModeAsync,
 515             GrabModeAsync,
 516             None,
 517             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 518             CurrentTime );
 519
 520         if (res != GrabSuccess)
 521         {
 522             wxString msg;
 523             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 524             wxLogDebug(msg);
 525             if (res == GrabNotViewable)
 526             {
 527                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 528             }
 529
 530             g_captureWindow = NULL;
 531             return;
 532         }
 533
 534         m_winCaptured = true;
 535     }
 536 }
 537
 538 void wxWindowX11::DoReleaseMouse()
 539 {
 540     g_captureWindow = NULL;
 541
 542     if ( !m_winCaptured )
 543         return;
 544
 545     Window xwindow = (Window) m_clientWindow;
 546
 547     if (xwindow)
 548     {
 549         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 550     }
 551
 552     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 553
 554     m_winCaptured = false;
 555 }
 556
 557 bool wxWindowX11::SetFont(const wxFont& font)
 558 {
 559     if ( !wxWindowBase::SetFont(font) )
 560     {
 561         // nothing to do
 562         return false;
 563     }
 564
 565     return true;
 566 }
 567
 568 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 569 {
 570     if ( !wxWindowBase::SetCursor(cursor) )
 571     {
 572         // no change
 573         return false;
 574     }
 575
 576     Window xwindow = (Window) m_clientWindow;
 577
 578     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 579
 580     wxCursor cursorToUse;
 581     if (m_cursor.Ok())
 582         cursorToUse = m_cursor;
 583     else
 584         cursorToUse = *wxSTANDARD_CURSOR;
 585
 586     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 587
 588     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 589
 590     return true;
 591 }
 592
 593 // Coordinates relative to the window
 594 void wxWindowX11::WarpPointer (int x, int y)
 595 {
 596     Window xwindow = (Window) m_clientWindow;
 597
 598     wxCHECK_RET( xwindow, wxT("invalid window") );
 599
 600     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 601 }
 602
 603 // Does a physical scroll
 604 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 605 {
 606     // No scrolling requested.
 607     if ((dx == 0) && (dy == 0)) return;
 608
 609     if (!m_updateRegion.IsEmpty())
 610     {
 611         m_updateRegion.Offset( dx, dy );
 612
 613         int cw = 0;
 614         int ch = 0;
 615         GetSize( &cw, &ch );  // GetClientSize() ??
 616         m_updateRegion.Intersect( 0, 0, cw, ch );
 617     }
 618
 619     if (!m_clearRegion.IsEmpty())
 620     {
 621         m_clearRegion.Offset( dx, dy );
 622
 623         int cw = 0;
 624         int ch = 0;
 625         GetSize( &cw, &ch );  // GetClientSize() ??
 626         m_clearRegion.Intersect( 0, 0, cw, ch );
 627     }
 628
 629     Window xwindow = (Window) GetClientAreaWindow();
 630
 631     wxCHECK_RET( xwindow, wxT("invalid window") );
 632
 633     Display *xdisplay = wxGlobalDisplay();
 634
 635     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 636     XSetGraphicsExposures( xdisplay, xgc, True );
 637
 638     int s_x = 0;
 639     int s_y = 0;
 640     int cw;
 641     int ch;
 642     if (rect)
 643     {
 644         s_x = rect->x;
 645         s_y = rect->y;
 646
 647         cw = rect->width;
 648         ch = rect->height;
 649     }
 650     else
 651     {
 652         s_x = 0;
 653         s_y = 0;
 654         GetClientSize( &cw, &ch );
 655     }
 656
 657 #if wxUSE_TWO_WINDOWS
 658     wxPoint offset( 0,0 );
 659 #else
 660     wxPoint offset = GetClientAreaOrigin();
 661     s_x += offset.x;
 662     s_y += offset.y;
 663 #endif
 664
 665     int w = cw - abs(dx);
 666     int h = ch - abs(dy);
 667
 668     if ((h < 0) || (w < 0))
 669     {
 670         Refresh();
 671     }
 672     else
 673     {
 674         wxRect rect;
 675         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 676         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 677         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 678         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 679
 680         int d_x = s_x;
 681         int d_y = s_y;
 682
 683         if (dx < 0) s_x += -dx;
 684         if (dy < 0) s_y += -dy;
 685         if (dx > 0) d_x += dx + offset.x;
 686         if (dy > 0) d_y += dy + offset.y;
 687
 688         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 689
 690         // 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 );
 691
 692         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 693
 694         m_updateRegion.Union( rect );
 695         m_clearRegion.Union( rect );
 696     }
 697
 698     XFreeGC( xdisplay, xgc );
 699
 700     // Move Clients, but not the scrollbars
 701     // FIXME: There may be a better method to move a lot of Windows within X11
 702     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 703     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 704     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 705     while ( node )
 706     {
 707         // Only propagate to non-top-level windows
 708         wxWindow *win = node->GetData();
 709         if ( win->GetParent() && win != sbH && win != sbV )
 710         {
 711             wxPoint pos = win->GetPosition();
 712             // Add the delta to the old Position
 713             pos.x += dx;
 714             pos.y += dy;
 715             win->SetPosition(pos);
 716         }
 717         node = node->GetNext();
 718     }
 719 }
 720
 721 // ---------------------------------------------------------------------------
 722 // drag and drop
 723 // ---------------------------------------------------------------------------
 724
 725 #if wxUSE_DRAG_AND_DROP
 726
 727 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 728 {
 729     // TODO
 730 }
 731
 732 #endif
 733
 734 // Old style file-manager drag&drop
 735 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 736 {
 737     // TODO
 738 }
 739
 740 // ----------------------------------------------------------------------------
 741 // tooltips
 742 // ----------------------------------------------------------------------------
 743
 744 #if wxUSE_TOOLTIPS
 745
 746 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 747 {
 748     // TODO
 749 }
 750
 751 #endif // wxUSE_TOOLTIPS
 752
 753 // ---------------------------------------------------------------------------
 754 // moving and resizing
 755 // ---------------------------------------------------------------------------
 756
 757 bool wxWindowX11::PreResize()
 758 {
 759     return true;
 760 }
 761
 762 // Get total size
 763 void wxWindowX11::DoGetSize(int *x, int *y) const
 764 {
 765     Window xwindow = (Window) m_mainWindow;
 766
 767     wxCHECK_RET( xwindow, wxT("invalid window") );
 768
 769     //XSync(wxGlobalDisplay(), False);
 770
 771     XWindowAttributes attr;
 772     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 773     wxASSERT(status);
 774
 775     if (status)
 776     {
 777         *x = attr.width /* + 2*m_borderSize */ ;
 778         *y = attr.height /* + 2*m_borderSize */ ;
 779     }
 780 }
 781
 782 void wxWindowX11::DoGetPosition(int *x, int *y) const
 783 {
 784     Window window = (Window) m_mainWindow;
 785     if (window)
 786     {
 787         //XSync(wxGlobalDisplay(), False);
 788         XWindowAttributes attr;
 789         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 790         wxASSERT(status);
 791
 792         if (status)
 793         {
 794             *x = attr.x;
 795             *y = attr.y;
 796
 797             // We may be faking the client origin. So a window that's really at (0, 30)
 798             // may appear (to wxWin apps) to be at (0, 0).
 799             if (GetParent())
 800             {
 801                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 802                 *x -= pt.x;
 803                 *y -= pt.y;
 804             }
 805         }
 806     }
 807 }
 808
 809 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 810 {
 811     Display *display = wxGlobalDisplay();
 812     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 813     Window thisWindow = (Window) m_clientWindow;
 814
 815     Window childWindow;
 816     int xx = x ? *x : 0;
 817     int yy = y ? *y : 0;
 818     XTranslateCoordinates(display, rootWindow, thisWindow,
 819                           xx, yy, x ? x : &xx, y ? y : &yy,
 820                           &childWindow);
 821 }
 822
 823 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 824 {
 825     Display *display = wxGlobalDisplay();
 826     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 827     Window thisWindow = (Window) m_clientWindow;
 828
 829     Window childWindow;
 830     int xx = x ? *x : 0;
 831     int yy = y ? *y : 0;
 832     XTranslateCoordinates(display, thisWindow, rootWindow,
 833                           xx, yy, x ? x : &xx, y ? y : &yy,
 834                           &childWindow);
 835 }
 836
 837
 838 // Get size *available for subwindows* i.e. excluding menu bar etc.
 839 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 840 {
 841     Window window = (Window) m_mainWindow;
 842
 843     if (window)
 844     {
 845         XWindowAttributes attr;
 846         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 847         wxASSERT(status);
 848
 849         if (status)
 850         {
 851             *x = attr.width ;
 852             *y = attr.height ;
 853         }
 854     }
 855 }
 856
 857 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 858 {
 859     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 860
 861     Window xwindow = (Window) m_mainWindow;
 862
 863     wxCHECK_RET( xwindow, wxT("invalid window") );
 864
 865     XWindowAttributes attr;
 866     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 867     wxCHECK_RET( status, wxT("invalid window attributes") );
 868
 869     int new_x = attr.x;
 870     int new_y = attr.y;
 871     int new_w = attr.width;
 872     int new_h = attr.height;
 873
 874     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 875     {
 876         int yy = 0;
 877         AdjustForParentClientOrigin( x, yy, sizeFlags);
 878         new_x = x;
 879     }
 880     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 881     {
 882         int xx = 0;
 883         AdjustForParentClientOrigin( xx, y, sizeFlags);
 884         new_y = y;
 885     }
 886     if (width != wxDefaultCoord)
 887     {
 888         new_w = width;
 889         if (new_w <= 0)
 890             new_w = 20;
 891     }
 892     if (height != wxDefaultCoord)
 893     {
 894         new_h = height;
 895         if (new_h <= 0)
 896             new_h = 20;
 897     }
 898
 899     DoMoveWindow( new_x, new_y, new_w, new_h );
 900 }
 901
 902 void wxWindowX11::DoSetClientSize(int width, int height)
 903 {
 904     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 905
 906     Window xwindow = (Window) m_mainWindow;
 907
 908     wxCHECK_RET( xwindow, wxT("invalid window") );
 909
 910     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 911
 912     if (m_mainWindow != m_clientWindow)
 913     {
 914         xwindow = (Window) m_clientWindow;
 915
 916         wxWindow *window = (wxWindow*) this;
 917         wxRenderer *renderer = window->GetRenderer();
 918         if (renderer)
 919         {
 920             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 921             width -= border.x + border.width;
 922             height -= border.y + border.height;
 923         }
 924
 925         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 926     }
 927 }
 928
 929 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 930 {
 931     Window xwindow = (Window) m_mainWindow;
 932
 933     wxCHECK_RET( xwindow, wxT("invalid window") );
 934
 935 #if !wxUSE_NANOX
 936
 937     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 938     if (m_mainWindow != m_clientWindow)
 939     {
 940         xwindow = (Window) m_clientWindow;
 941
 942         wxWindow *window = (wxWindow*) this;
 943         wxRenderer *renderer = window->GetRenderer();
 944         if (renderer)
 945         {
 946             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 947             x = border.x;
 948             y = border.y;
 949             width -= border.x + border.width;
 950             height -= border.y + border.height;
 951         }
 952         else
 953         {
 954             x = 0;
 955             y = 0;
 956         }
 957
 958         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 959         if (sb && sb->IsShown())
 960         {
 961             wxSize size = sb->GetSize();
 962             height -= size.y;
 963         }
 964         sb = window->GetScrollbar( wxVERTICAL );
 965         if (sb && sb->IsShown())
 966         {
 967             wxSize size = sb->GetSize();
 968             width -= size.x;
 969         }
 970
 971         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 972     }
 973
 974 #else
 975
 976     XWindowChanges windowChanges;
 977     windowChanges.x = x;
 978     windowChanges.y = y;
 979     windowChanges.width = width;
 980     windowChanges.height = height;
 981     windowChanges.stack_mode = 0;
 982     int valueMask = CWX | CWY | CWWidth | CWHeight;
 983
 984     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 985
 986 #endif
 987 }
 988
 989 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 990 {
 991     m_minWidth = minW;
 992     m_minHeight = minH;
 993     m_maxWidth = maxW;
 994     m_maxHeight = maxH;
 995
 996 #if !wxUSE_NANOX
 997     XSizeHints sizeHints;
 998     sizeHints.flags = 0;
 999
1000     if (minW > -1 && minH > -1)
1001     {
1002         sizeHints.flags |= PMinSize;
1003         sizeHints.min_width = minW;
1004         sizeHints.min_height = minH;
1005     }
1006     if (maxW > -1 && maxH > -1)
1007     {
1008         sizeHints.flags |= PMaxSize;
1009         sizeHints.max_width = maxW;
1010         sizeHints.max_height = maxH;
1011     }
1012     if (incW > -1 && incH > -1)
1013     {
1014         sizeHints.flags |= PResizeInc;
1015         sizeHints.width_inc = incW;
1016         sizeHints.height_inc = incH;
1017     }
1018
1019     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1020 #endif
1021 }
1022
1023 // ---------------------------------------------------------------------------
1024 // text metrics
1025 // ---------------------------------------------------------------------------
1026
1027 int wxWindowX11::GetCharHeight() const
1028 {
1029     wxFont font(GetFont());
1030     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1031
1032 #if wxUSE_UNICODE
1033     // There should be an easier way.
1034     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1035     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1036     pango_layout_set_text(layout, "H", 1 );
1037     int w,h;
1038     pango_layout_get_pixel_size(layout, &w, &h);
1039     g_object_unref( G_OBJECT( layout ) );
1040
1041     return h;
1042 #else
1043     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1044
1045     int direction, ascent, descent;
1046     XCharStruct overall;
1047     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1048         &descent, &overall);
1049
1050     //  return (overall.ascent + overall.descent);
1051     return (ascent + descent);
1052 #endif
1053 }
1054
1055 int wxWindowX11::GetCharWidth() const
1056 {
1057     wxFont font(GetFont());
1058     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1059
1060 #if wxUSE_UNICODE
1061     // There should be an easier way.
1062     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1063     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1064     pango_layout_set_text(layout, "H", 1 );
1065     int w,h;
1066     pango_layout_get_pixel_size(layout, &w, &h);
1067     g_object_unref( G_OBJECT( layout ) );
1068
1069     return w;
1070 #else
1071     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1072
1073     int direction, ascent, descent;
1074     XCharStruct overall;
1075     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1076         &descent, &overall);
1077
1078     return overall.width;
1079 #endif
1080 }
1081
1082 void wxWindowX11::DoGetTextExtent(const wxString& string,
1083                                   int *x, int *y,
1084                                   int *descent,
1085                                   int *externalLeading,
1086                                   const wxFont *theFont) const
1087 {
1088     wxFont fontToUse = GetFont();
1089     if (theFont) fontToUse = *theFont;
1090
1091     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1092
1093     if (string.empty())
1094     {
1095         if (x) (*x) = 0;
1096         if (y) (*y) = 0;
1097         return;
1098     }
1099
1100 #if wxUSE_UNICODE
1101     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1102
1103     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1104     pango_layout_set_font_description(layout, desc);
1105
1106     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1107     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1108
1109     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1110
1111
1112     PangoRectangle rect;
1113     pango_layout_line_get_extents(line, NULL, &rect);
1114
1115     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1116     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1117     if (descent)
1118     {
1119         // Do something about metrics here
1120         (*descent) = 0;
1121     }
1122     if (externalLeading) (*externalLeading) = 0;  // ??
1123
1124     g_object_unref( G_OBJECT( layout ) );
1125 #else
1126     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1127
1128     int direction, ascent, descent2;
1129     XCharStruct overall;
1130     int slen = string.length();
1131
1132     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1133                  &direction, &ascent, &descent2, &overall);
1134
1135     if ( x )
1136         *x = (overall.width);
1137     if ( y )
1138         *y = (ascent + descent2);
1139     if (descent)
1140         *descent = descent2;
1141     if (externalLeading)
1142         *externalLeading = 0;
1143 #endif
1144 }
1145
1146 // ----------------------------------------------------------------------------
1147 // painting
1148 // ----------------------------------------------------------------------------
1149
1150 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1151 {
1152     if (eraseBack)
1153     {
1154         if (rect)
1155         {
1156             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1157             m_clearRegion.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_clearRegion.Clear();
1166             m_clearRegion.Union( 0, 0, width, height );
1167         }
1168     }
1169
1170     if (rect)
1171     {
1172          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1173          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1174     }
1175     else
1176     {
1177         int height,width;
1178         GetSize( &width, &height );
1179
1180         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1181         m_updateRegion.Clear();
1182         m_updateRegion.Union( 0, 0, width, height );
1183     }
1184 }
1185
1186 void wxWindowX11::Update()
1187 {
1188     if (m_updateNcArea)
1189     {
1190         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1191         // Send nc paint events.
1192         SendNcPaintEvents();
1193     }
1194
1195     if (!m_updateRegion.IsEmpty())
1196     {
1197         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1198         // Actually send erase events.
1199         SendEraseEvents();
1200
1201         // Actually send paint events.
1202         SendPaintEvents();
1203     }
1204 }
1205
1206 void wxWindowX11::SendEraseEvents()
1207 {
1208     if (m_clearRegion.IsEmpty()) return;
1209
1210     wxClientDC dc( (wxWindow*)this );
1211     dc.SetDeviceClippingRegion( m_clearRegion );
1212
1213     wxEraseEvent erase_event( GetId(), &dc );
1214     erase_event.SetEventObject( this );
1215
1216     if (!HandleWindowEvent(erase_event) )
1217     {
1218         Display *xdisplay = wxGlobalDisplay();
1219         Window xwindow = (Window) GetClientAreaWindow();
1220         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1221
1222         wxRegionIterator upd( m_clearRegion );
1223         while (upd)
1224         {
1225             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1226                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1227             upd ++;
1228         }
1229     }
1230
1231     m_clearRegion.Clear();
1232 }
1233
1234 void wxWindowX11::SendPaintEvents()
1235 {
1236     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1237
1238     m_clipPaintRegion = true;
1239
1240     wxPaintEvent paint_event( GetId() );
1241     paint_event.SetEventObject( this );
1242     HandleWindowEvent( paint_event );
1243
1244     m_updateRegion.Clear();
1245
1246     m_clipPaintRegion = false;
1247 }
1248
1249 void wxWindowX11::SendNcPaintEvents()
1250 {
1251     wxWindow *window = (wxWindow*) this;
1252
1253     // All this for drawing the small square between the scrollbars.
1254     int width = 0;
1255     int height = 0;
1256     int x = 0;
1257     int y = 0;
1258     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1259     if (sb && sb->IsShown())
1260     {
1261         height = sb->GetSize().y;
1262         y = sb->GetPosition().y;
1263
1264         sb = window->GetScrollbar( wxVERTICAL );
1265         if (sb && sb->IsShown())
1266         {
1267             width = sb->GetSize().x;
1268             x = sb->GetPosition().x;
1269
1270             Display *xdisplay = wxGlobalDisplay();
1271             Window xwindow = (Window) X11GetMainWindow();
1272             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1273             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1274             colour.CalcPixel( (WXColormap) cm );
1275
1276             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1277
1278             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1279         }
1280     }
1281
1282     wxNcPaintEvent nc_paint_event( GetId() );
1283     nc_paint_event.SetEventObject( this );
1284     HandleWindowEvent( nc_paint_event );
1285
1286     m_updateNcArea = false;
1287 }
1288
1289 // ----------------------------------------------------------------------------
1290 // event handlers
1291 // ----------------------------------------------------------------------------
1292
1293 // Responds to colour changes: passes event on to children.
1294 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1295 {
1296     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1297     while ( node )
1298     {
1299         // Only propagate to non-top-level windows
1300         wxWindow *win = node->GetData();
1301         if ( win->GetParent() )
1302         {
1303             wxSysColourChangedEvent event2;
1304             event.SetEventObject(win);
1305             win->HandleWindowEvent(event2);
1306         }
1307
1308         node = node->GetNext();
1309     }
1310 }
1311
1312 // See handler for InFocus case in app.cpp for details.
1313 wxWindow* g_GettingFocus = NULL;
1314
1315 void wxWindowX11::OnInternalIdle()
1316 {
1317     // Update invalidated regions.
1318     Update();
1319
1320     // This calls the UI-update mechanism (querying windows for
1321     // menu/toolbar/control state information)
1322     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this) && IsShownOnScreen())
1323         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1324
1325     // Set the input focus if couldn't do it before
1326     if (m_needsInputFocus)
1327     {
1328 #if 0
1329         wxString msg;
1330         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1331         printf(msg.c_str());
1332 #endif
1333         SetFocus();
1334
1335         // If it couldn't set the focus now, there's
1336         // no point in trying again.
1337         m_needsInputFocus = false;
1338     }
1339     g_GettingFocus = NULL;
1340 }
1341
1342 // ----------------------------------------------------------------------------
1343 // function which maintain the global hash table mapping Widgets to wxWidgets
1344 // ----------------------------------------------------------------------------
1345
1346 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1347 {
1348     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1349     {
1350         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1351                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1352         return false;
1353     }
1354
1355     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1356                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1357
1358     return true;
1359 }
1360
1361 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1362 {
1363     wxWindowHash::iterator i = hash->find(w);
1364     return i == hash->end() ? NULL : i->second;
1365 }
1366
1367 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1368 {
1369     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1370
1371     hash->erase(w);
1372 }
1373
1374 // ----------------------------------------------------------------------------
1375 // public wrappers
1376 // ----------------------------------------------------------------------------
1377
1378 bool wxAddWindowToTable(Window w, wxWindow *win)
1379 {
1380     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1381 }
1382
1383 wxWindow *wxGetWindowFromTable(Window w)
1384 {
1385     return DoGetWindowFromTable(wxWidgetHashTable, w);
1386 }
1387
1388 void wxDeleteWindowFromTable(Window w)
1389 {
1390     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1391 }
1392
1393 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1394 {
1395     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1396 }
1397
1398 wxWindow *wxGetClientWindowFromTable(Window w)
1399 {
1400     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1401 }
1402
1403 void wxDeleteClientWindowFromTable(Window w)
1404 {
1405     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1406 }
1407
1408 // ----------------------------------------------------------------------------
1409 // X11-specific accessors
1410 // ----------------------------------------------------------------------------
1411
1412 WXWindow wxWindowX11::X11GetMainWindow() const
1413 {
1414     return m_mainWindow;
1415 }
1416
1417 WXWindow wxWindowX11::GetClientAreaWindow() const
1418 {
1419     return m_clientWindow;
1420 }
1421
1422 // ----------------------------------------------------------------------------
1423 // TranslateXXXEvent() functions
1424 // ----------------------------------------------------------------------------
1425
1426 bool wxTranslateMouseEvent(wxMouseEvent& wxevent,
1427                            wxWindow *win,
1428                            Window WXUNUSED(window),
1429                            XEvent *xevent)
1430 {
1431     switch (XEventGetType(xevent))
1432     {
1433         case EnterNotify:
1434         case LeaveNotify:
1435         case ButtonPress:
1436         case ButtonRelease:
1437         case MotionNotify:
1438         {
1439             wxEventType eventType = wxEVT_NULL;
1440
1441             if (XEventGetType(xevent) == EnterNotify)
1442             {
1443                 //if (local_event.xcrossing.mode!=NotifyNormal)
1444                 //  return ; // Ignore grab events
1445                 eventType = wxEVT_ENTER_WINDOW;
1446                 //            canvas->GetEventHandler()->OnSetFocus();
1447             }
1448             else if (XEventGetType(xevent) == LeaveNotify)
1449             {
1450                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1451                 //  return ; // Ignore grab events
1452                 eventType = wxEVT_LEAVE_WINDOW;
1453                 //            canvas->GetEventHandler()->OnKillFocus();
1454             }
1455             else if (XEventGetType(xevent) == MotionNotify)
1456             {
1457                 eventType = wxEVT_MOTION;
1458             }
1459             else if (XEventGetType(xevent) == ButtonPress)
1460             {
1461                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1462                 int button = 0;
1463                 if (XButtonEventLChanged(xevent))
1464                 {
1465                     eventType = wxEVT_LEFT_DOWN;
1466                     button = 1;
1467                 }
1468                 else if (XButtonEventMChanged(xevent))
1469                 {
1470                     eventType = wxEVT_MIDDLE_DOWN;
1471                     button = 2;
1472                 }
1473                 else if (XButtonEventRChanged(xevent))
1474                 {
1475                     eventType = wxEVT_RIGHT_DOWN;
1476                     button = 3;
1477                 }
1478                 else if ( xevent->xbutton.button == Button4 ||
1479                             xevent->xbutton.button == Button5 )
1480                 {
1481                     // this is the same value as used under wxMSW
1482                     static const int WHEEL_DELTA = 120;
1483
1484                     eventType = wxEVT_MOUSEWHEEL;
1485                     button = xevent->xbutton.button;
1486
1487                     wxevent.m_linesPerAction = 3;
1488                     wxevent.m_wheelDelta = WHEEL_DELTA;
1489
1490                     // Button 4 means mousewheel up, 5 means down
1491                     wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
1492                                                                 : -WHEEL_DELTA;
1493                 }
1494
1495                 // check for a double click
1496                 // TODO: where can we get this value from?
1497                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1498                 long dclickTime = 200;
1499                 long ts = wxevent.GetTimestamp();
1500
1501                 int buttonLast = win->GetLastClickedButton();
1502                 long lastTS = win->GetLastClickTime();
1503                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1504                 {
1505                     // I have a dclick
1506                     win->SetLastClick(0, ts);
1507                     if ( eventType == wxEVT_LEFT_DOWN )
1508                         eventType = wxEVT_LEFT_DCLICK;
1509                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1510                         eventType = wxEVT_MIDDLE_DCLICK;
1511                     else if ( eventType == wxEVT_RIGHT_DOWN )
1512                         eventType = wxEVT_RIGHT_DCLICK;
1513                 }
1514                 else
1515                 {
1516                     // not fast enough or different button
1517                     win->SetLastClick(button, ts);
1518                 }
1519             }
1520             else if (XEventGetType(xevent) == ButtonRelease)
1521             {
1522                 if (XButtonEventLChanged(xevent))
1523                 {
1524                     eventType = wxEVT_LEFT_UP;
1525                 }
1526                 else if (XButtonEventMChanged(xevent))
1527                 {
1528                     eventType = wxEVT_MIDDLE_UP;
1529                 }
1530                 else if (XButtonEventRChanged(xevent))
1531                 {
1532                     eventType = wxEVT_RIGHT_UP;
1533                 }
1534                 else return false;
1535             }
1536             else
1537             {
1538                 return false;
1539             }
1540
1541             wxevent.SetEventType(eventType);
1542
1543             wxevent.m_x = XButtonEventGetX(xevent);
1544             wxevent.m_y = XButtonEventGetY(xevent);
1545
1546             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1547                 || (XButtonEventLIsDown(xevent)
1548                 && (eventType != wxEVT_LEFT_UP)));
1549             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1550                 || (XButtonEventMIsDown(xevent)
1551                 && (eventType != wxEVT_MIDDLE_UP)));
1552             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1553                 || (XButtonEventRIsDown (xevent)
1554                 && (eventType != wxEVT_RIGHT_UP)));
1555
1556             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1557             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1558             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1559             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1560
1561             wxevent.SetId(win->GetId());
1562             wxevent.SetEventObject(win);
1563
1564             return true;
1565         }
1566     }
1567     return false;
1568 }
1569
1570 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1571 {
1572     switch (XEventGetType(xevent))
1573     {
1574     case KeyPress:
1575     case KeyRelease:
1576         {
1577             char buf[20];
1578
1579             KeySym keySym;
1580             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1581             int id = wxCharCodeXToWX (keySym);
1582             // id may be WXK_xxx code - these are outside ASCII range, so we
1583             // can't just use toupper() on id.
1584             // Only change this if we want the raw key that was pressed,
1585             // and don't change it if we want an ASCII value.
1586             if (!isAscii && (id >= 'a' && id <= 'z'))
1587             {
1588                 id = id + 'A' - 'a';
1589             }
1590
1591             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1592             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1593             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1594             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1595             wxevent.SetEventObject(win);
1596             wxevent.m_keyCode = id;
1597             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1598
1599             wxevent.m_x = XKeyEventGetX(xevent);
1600             wxevent.m_y = XKeyEventGetY(xevent);
1601
1602             return id > -1;
1603         }
1604     default:
1605         break;
1606     }
1607     return false;
1608 }
1609
1610 // ----------------------------------------------------------------------------
1611 // Colour stuff
1612 // ----------------------------------------------------------------------------
1613
1614 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1615 {
1616     wxWindowBase::SetBackgroundColour(col);
1617
1618     Display *xdisplay = (Display*) wxGlobalDisplay();
1619     int xscreen = DefaultScreen( xdisplay );
1620     Colormap cm = DefaultColormap( xdisplay, xscreen );
1621
1622     m_backgroundColour.CalcPixel( (WXColormap) cm );
1623
1624     // We don't set the background colour as we paint
1625     // the background ourselves.
1626     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1627
1628     return true;
1629 }
1630
1631 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1632 {
1633     if ( !wxWindowBase::SetForegroundColour(col) )
1634         return false;
1635
1636     return true;
1637 }
1638
1639 // ----------------------------------------------------------------------------
1640 // global functions
1641 // ----------------------------------------------------------------------------
1642
1643 wxWindow *wxGetActiveWindow()
1644 {
1645     return wxGetTopLevelParent(wxWindow::FindFocus());
1646 }
1647
1648 /* static */
1649 wxWindow *wxWindowBase::GetCapture()
1650 {
1651     return (wxWindow *)g_captureWindow;
1652 }
1653
1654
1655 // Find the wxWindow at the current mouse position, returning the mouse
1656 // position.
1657 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1658 {
1659     pt = wxGetMousePosition();
1660     return wxFindWindowAtPoint(pt);
1661 }
1662
1663 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1664 {
1665 #if wxUSE_NANOX
1666     /* TODO */
1667     rootX = rootY = 0;
1668     maskReturn = 0;
1669 #else
1670     Display *display = wxGlobalDisplay();
1671     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1672     Window rootReturn, childReturn;
1673     int winX, winY;
1674
1675     XQueryPointer (display,
1676                    rootWindow,
1677                    &rootReturn,
1678                    &childReturn,
1679                    &rootX, &rootY, &winX, &winY, &maskReturn);
1680 #endif
1681 }
1682
1683 // Get the current mouse position.
1684 wxPoint wxGetMousePosition()
1685 {
1686     int x, y;
1687     unsigned mask;
1688
1689     wxGetMouseState(x, y, mask);
1690     return wxPoint(x, y);
1691 }
1692
1693 wxMouseState wxGetMouseState()
1694 {
1695     wxMouseState ms;
1696     int x, y;
1697     unsigned mask;
1698
1699     wxGetMouseState(x, y, mask);
1700
1701     ms.SetX(x);
1702     ms.SetY(y);
1703
1704     ms.SetLeftDown(mask & Button1Mask);
1705     ms.SetMiddleDown(mask & Button2Mask);
1706     ms.SetRightDown(mask & Button3Mask);
1707
1708     ms.SetControlDown(mask & ControlMask);
1709     ms.SetShiftDown(mask & ShiftMask);
1710     ms.SetAltDown(mask & Mod3Mask);
1711     ms.SetMetaDown(mask & Mod1Mask);
1712
1713     return ms;
1714 }
1715
1716
1717 // ----------------------------------------------------------------------------
1718 // wxNoOptimize: switch off size optimization
1719 // ----------------------------------------------------------------------------
1720
1721 int wxNoOptimize::ms_count = 0;
1722
1723
1724 // ----------------------------------------------------------------------------
1725 // wxDCModule
1726 // ----------------------------------------------------------------------------
1727
1728 class wxWinModule : public wxModule
1729 {
1730 public:
1731     wxWinModule()
1732     {
1733         // we must be cleaned up before the display is closed
1734         AddDependency(wxClassInfo::FindClass(wxT("wxX11DisplayModule")));
1735     }
1736
1737     virtual bool OnInit();
1738     virtual void OnExit();
1739
1740 private:
1741     DECLARE_DYNAMIC_CLASS(wxWinModule)
1742 };
1743
1744 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1745
1746 bool wxWinModule::OnInit()
1747 {
1748     Display *xdisplay = wxGlobalDisplay();
1749     int xscreen = DefaultScreen( xdisplay );
1750     Window xroot = RootWindow( xdisplay, xscreen );
1751     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1752     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1753
1754     return true;
1755 }
1756
1757 void wxWinModule::OnExit()
1758 {
1759     Display *xdisplay = wxGlobalDisplay();
1760     XFreeGC( xdisplay, g_eraseGC );
1761 }