src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        windows.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 #include "wx/setup.h"
  25 #include "wx/menu.h"
  26 #include "wx/dc.h"
  27 #include "wx/dcclient.h"
  28 #include "wx/utils.h"
  29 #include "wx/app.h"
  30 #include "wx/panel.h"
  31 #include "wx/layout.h"
  32 #include "wx/dialog.h"
  33 #include "wx/listbox.h"
  34 #include "wx/button.h"
  35 #include "wx/settings.h"
  36 #include "wx/msgdlg.h"
  37 #include "wx/frame.h"
  38 #include "wx/scrolwin.h"
  39 #include "wx/module.h"
  40 #include "wx/menuitem.h"
  41 #include "wx/log.h"
  42
  43 #if  wxUSE_DRAG_AND_DROP
  44     #include "wx/dnd.h"
  45 #endif
  46
  47 #include "wx/x11/private.h"
  48 #include "X11/Xutil.h"
  49
  50 #include <string.h>
  51
  52 // ----------------------------------------------------------------------------
  53 // global variables for this module
  54 // ----------------------------------------------------------------------------
  55
  56 extern wxHashTable *wxWidgetHashTable;
  57 static wxWindow* g_captureWindow = NULL;
  58
  59 // ----------------------------------------------------------------------------
  60 // macros
  61 // ----------------------------------------------------------------------------
  62
  63 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  64 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  65 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  66
  67 // ----------------------------------------------------------------------------
  68 // event tables
  69 // ----------------------------------------------------------------------------
  70
  71 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  72
  73 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  74     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  75 END_EVENT_TABLE()
  76
  77 // ============================================================================
  78 // implementation
  79 // ============================================================================
  80
  81 // ----------------------------------------------------------------------------
  82 // helper functions
  83 // ----------------------------------------------------------------------------
  84
  85 // ----------------------------------------------------------------------------
  86 // constructors
  87 // ----------------------------------------------------------------------------
  88
  89 void wxWindowX11::Init()
  90 {
  91     // generic initializations first
  92     InitBase();
  93
  94     // X11-specific
  95     m_mainWidget = (WXWindow) 0;
  96     m_winCaptured = FALSE;
  97     m_needsInputFocus = FALSE;
  98     m_isShown = TRUE;
  99     m_isBeingDeleted = FALSE;
 100     m_lastTS = 0;
 101     m_lastButton = 0;
 102 }
 103
 104 // real construction (Init() must have been called before!)
 105 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 106                       const wxPoint& pos,
 107                       const wxSize& size,
 108                       long style,
 109                       const wxString& name)
 110 {
 111     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 112
 113     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 114
 115     parent->AddChild(this);
 116
 117     int w = size.GetWidth();
 118     int h = size.GetHeight();
 119     int x = size.GetX();
 120     int y = size.GetY();
 121     if (w == -1) w = 20;
 122     if (h == -1) h = 20;
 123     if (x == -1) x = 0;
 124     if (y == -1) y = 0;
 125
 126     Display *xdisplay = (Display*) wxGlobalDisplay();
 127     int xscreen = DefaultScreen( xdisplay );
 128     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 129     Colormap cm = DefaultColormap( xdisplay, xscreen );
 130
 131     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 132     m_backgroundColour.CalcPixel( (WXColormap) cm );
 133
 134     m_foregroundColour = *wxBLACK;
 135     m_foregroundColour.CalcPixel( (WXColormap) cm );
 136
 137     Window xparent = (Window) parent->GetMainWindow();
 138
 139     XSetWindowAttributes xattributes;
 140
 141     long xattributes_mask =
 142         CWEventMask |
 143         CWBorderPixel | CWBackPixel;
 144
 145     xattributes.background_pixel = m_backgroundColour.GetPixel();
 146     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 147
 148     xattributes.event_mask =
 149         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 150         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 151         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 152         PropertyChangeMask;
 153
 154     wxSize size2(size);
 155     if (size2.x == -1)
 156         size2.x = 20;
 157     if (size2.y == -1)
 158         size2.y = 20;
 159
 160     wxPoint pos2(pos);
 161     if (pos2.x == -1)
 162         pos2.x = 0;
 163     if (pos2.y == -1)
 164         pos2.y = 0;
 165
 166     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 167        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 168
 169     m_mainWidget = (WXWindow) xwindow;
 170
 171     wxAddWindowToTable( xwindow, (wxWindow*) this );
 172
 173     // Is a subwindow, so map immediately
 174     m_isShown = TRUE;
 175     XMapWindow( xdisplay, xwindow );
 176
 177     // Without this, the cursor may not be restored properly (e.g. in splitter
 178     // sample).
 179     SetCursor(*wxSTANDARD_CURSOR);
 180     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 181
 182     // Set background to None which will prevent X11 from clearing the
 183     // background comletely.
 184     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 185
 186     // Don't call this, it can have nasty repercussions for composite controls,
 187     // for example
 188     //    SetSize(pos.x, pos.y, size.x, size.y);
 189
 190     return TRUE;
 191 }
 192
 193 // Destructor
 194 wxWindowX11::~wxWindowX11()
 195 {
 196     if (g_captureWindow == this)
 197         g_captureWindow = NULL;
 198
 199     m_isBeingDeleted = TRUE;
 200
 201     // X11-specific actions first
 202     Window xwindow = (Window) m_mainWidget;
 203
 204     if (m_parent)
 205         m_parent->RemoveChild( this );
 206
 207     DestroyChildren();
 208
 209     // Destroy the window
 210     if (xwindow)
 211     {
 212         XSelectInput( wxGlobalDisplay(), xwindow, NoEventMask);
 213         wxDeleteWindowFromTable( xwindow );
 214         XDestroyWindow( wxGlobalDisplay(), xwindow );
 215         m_mainWidget = NULL;
 216     }
 217 }
 218
 219 // ---------------------------------------------------------------------------
 220 // basic operations
 221 // ---------------------------------------------------------------------------
 222
 223 void wxWindowX11::SetFocus()
 224 {
 225     Window xwindow = (Window) GetMainWindow();
 226
 227     wxCHECK_RET( xwindow, wxT("invalid window") );
 228
 229     if (wxWindowIsVisible(xwindow))
 230     {
 231         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 232         m_needsInputFocus = FALSE;
 233     }
 234     else
 235     {
 236         m_needsInputFocus = TRUE;
 237     }
 238 }
 239
 240 // Get the window with the focus
 241 wxWindow *wxWindowBase::FindFocus()
 242 {
 243     Window xfocus = (Window) 0;
 244     int revert = 0;
 245
 246     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 247     if (xfocus)
 248     {
 249         wxWindow *win = wxGetWindowFromTable( xfocus );
 250
 251         return win;
 252     }
 253
 254     return NULL;
 255 }
 256
 257 wxWindow *wxWindowX11::GetFocusWidget()
 258 {
 259    wxWindow *win = (wxWindow*) this;
 260    while (!win->IsTopLevel())
 261    {
 262        win = win->GetParent();
 263        if (!win)
 264            return (wxWindow*) NULL;
 265    }
 266
 267    return win;
 268 }
 269
 270 // Enabling/disabling handled by event loop, and not sending events
 271 // if disabled.
 272 bool wxWindowX11::Enable(bool enable)
 273 {
 274     if ( !wxWindowBase::Enable(enable) )
 275         return FALSE;
 276
 277     return TRUE;
 278 }
 279
 280 bool wxWindowX11::Show(bool show)
 281 {
 282     wxWindowBase::Show(show);
 283
 284     Window xwin = (Window) GetXWindow();
 285     Display *xdisp = (Display*) GetXDisplay();
 286     if (show)
 287     {
 288         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 289         XMapWindow(xdisp, xwin);
 290         XSync(xdisp, False);
 291     }
 292     else
 293     {
 294         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 295         XUnmapWindow(xdisp, xwin);
 296     }
 297
 298     return TRUE;
 299 }
 300
 301 // Raise the window to the top of the Z order
 302 void wxWindowX11::Raise()
 303 {
 304     if (m_mainWidget)
 305         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 306 }
 307
 308 // Lower the window to the bottom of the Z order
 309 void wxWindowX11::Lower()
 310 {
 311     if (m_mainWidget)
 312         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 313 }
 314
 315 void wxWindowX11::DoCaptureMouse()
 316 {
 317     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 318     {
 319         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 320
 321         // Core dump now
 322         int *tmp = NULL;
 323         (*tmp) = 1;
 324         return;
 325     }
 326
 327     if (m_winCaptured)
 328         return;
 329
 330     Window xwindow = (Window) GetMainWindow();
 331
 332     wxCHECK_RET( xwindow, wxT("invalid window") );
 333
 334     g_captureWindow = (wxWindow*) this;
 335
 336     if (xwindow)
 337     {
 338         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 339             FALSE,
 340             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 341             GrabModeAsync,
 342                 GrabModeAsync,
 343             None,
 344             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 345             CurrentTime );
 346
 347         if (res != GrabSuccess)
 348         {
 349             wxString msg;
 350             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 351             wxLogDebug(msg);
 352             if (res == GrabNotViewable)
 353             {
 354                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 355             }
 356             g_captureWindow = NULL;
 357             return;
 358         }
 359
 360         wxLogDebug("Grabbed pointer");
 361
 362 #if 0
 363         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 364             (Window) GetMainWindow(),
 365             FALSE,
 366             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 367                 GrabModeAsync,
 368                 GrabModeAsync,
 369             None,
 370             None);
 371
 372         if (res != GrabSuccess)
 373         {
 374             wxLogDebug("Failed to grab mouse buttons.");
 375             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 376             return;
 377         }
 378 #endif
 379
 380 #if 0
 381         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 382             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 383             FALSE,
 384             GrabModeAsync,
 385                 GrabModeAsync,
 386             CurrentTime);
 387
 388         if (res != GrabSuccess)
 389         {
 390             wxLogDebug("Failed to grab keyboard.");
 391             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 392             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 393                 (Window) GetMainWindow());
 394             return;
 395         }
 396 #endif
 397
 398         m_winCaptured = TRUE;
 399     }
 400 }
 401
 402 void wxWindowX11::DoReleaseMouse()
 403 {
 404     g_captureWindow = NULL;
 405
 406     if ( !m_winCaptured )
 407         return;
 408
 409     Window xwindow = (Window) GetMainWindow();
 410
 411     if (xwindow)
 412     {
 413         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 414 #if 0
 415         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 416         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 417 #endif
 418     }
 419     wxLogDebug("Ungrabbed pointer");
 420
 421     m_winCaptured = FALSE;
 422 }
 423
 424 bool wxWindowX11::SetFont(const wxFont& font)
 425 {
 426     if ( !wxWindowBase::SetFont(font) )
 427     {
 428         // nothing to do
 429         return FALSE;
 430     }
 431
 432     return TRUE;
 433 }
 434
 435 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 436 {
 437     if ( !wxWindowBase::SetCursor(cursor) )
 438     {
 439         // no change
 440         return FALSE;
 441     }
 442
 443     Window xwindow = (Window) GetMainWindow();
 444
 445     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 446
 447     wxCursor cursorToUse;
 448     if (m_cursor.Ok())
 449         cursorToUse = m_cursor;
 450     else
 451         cursorToUse = *wxSTANDARD_CURSOR;
 452
 453     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 454
 455     XDefineCursor( (Display*) wxGlobalDisplay(), xwindow, xcursor );
 456
 457     return TRUE;
 458 }
 459
 460 // Coordinates relative to the window
 461 void wxWindowX11::WarpPointer (int x, int y)
 462 {
 463     Window xwindow = (Window) GetMainWindow();
 464
 465     wxCHECK_RET( xwindow, wxT("invalid window") );
 466
 467     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 468 }
 469
 470 // Does a physical scroll
 471 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 472 {
 473     // No scrolling requested.
 474     if ((dx == 0) && (dy == 0)) return;
 475
 476     if (!m_updateRegion.IsEmpty())
 477     {
 478         m_updateRegion.Offset( dx, dy );
 479
 480         int cw = 0;
 481         int ch = 0;
 482         GetSize( &cw, &ch );  // GetClientSize() ??
 483         m_updateRegion.Intersect( 0, 0, cw, ch );
 484     }
 485
 486     if (!m_clearRegion.IsEmpty())
 487     {
 488         m_clearRegion.Offset( dx, dy );
 489
 490         int cw = 0;
 491         int ch = 0;
 492         GetSize( &cw, &ch );  // GetClientSize() ??
 493         m_clearRegion.Intersect( 0, 0, cw, ch );
 494     }
 495
 496     Window xwindow = (Window) GetMainWindow();
 497
 498     wxCHECK_RET( xwindow, wxT("invalid window") );
 499
 500     Display *xdisplay = wxGlobalDisplay();
 501
 502     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 503     XSetGraphicsExposures( xdisplay, xgc, True );
 504
 505     int s_x;
 506     int s_y;
 507     int cw;
 508     int ch;
 509     if (rect)
 510     {
 511         s_x = rect->x;
 512         s_y = rect->y;
 513         cw = rect->width;
 514         ch = rect->height;
 515     }
 516     else
 517     {
 518         s_x = 0;
 519         s_y = 0;
 520         GetClientSize( &cw, &ch );
 521     }
 522
 523     wxPoint offset = GetClientAreaOrigin();
 524     s_x += offset.x;
 525     s_y += offset.y;
 526
 527     int w = cw - abs(dx);
 528     int h = ch - abs(dy);
 529
 530     if ((h < 0) || (w < 0))
 531     {
 532         Refresh();
 533     }
 534     else
 535     {
 536         wxRect rect;
 537         if (dx < 0) rect.x = cw+dx; else rect.x = s_x;
 538         if (dy < 0) rect.y = ch+dy; else rect.y = s_y;
 539         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 540         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 541
 542         int d_x = s_x;
 543         int d_y = s_y;
 544         if (dx < 0) s_x += -dx;
 545         if (dy < 0) s_y += -dy;
 546         if (dx > 0) d_x = dx;
 547         if (dy > 0) d_y = dy;
 548
 549         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 550
 551         // printf( "s_x %d s_y %d w %d h %d d_x %d d_y %d\n", s_x, s_y, w, h, d_x, d_y );
 552
 553         // printf( "rect %d %d %d %d\n", rect.x, rect.y, rect.width, rect.height );
 554
 555         m_updateRegion.Union( rect );
 556         m_clearRegion.Union( rect );
 557     }
 558
 559     XFreeGC( xdisplay, xgc );
 560 }
 561
 562 // ---------------------------------------------------------------------------
 563 // drag and drop
 564 // ---------------------------------------------------------------------------
 565
 566 #if wxUSE_DRAG_AND_DROP
 567
 568 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 569 {
 570     // TODO
 571 }
 572
 573 #endif
 574
 575 // Old style file-manager drag&drop
 576 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 577 {
 578     // TODO
 579 }
 580
 581 // ----------------------------------------------------------------------------
 582 // tooltips
 583 // ----------------------------------------------------------------------------
 584
 585 #if wxUSE_TOOLTIPS
 586
 587 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 588 {
 589     // TODO
 590 }
 591
 592 #endif // wxUSE_TOOLTIPS
 593
 594 // ---------------------------------------------------------------------------
 595 // moving and resizing
 596 // ---------------------------------------------------------------------------
 597
 598 bool wxWindowX11::PreResize()
 599 {
 600     return TRUE;
 601 }
 602
 603 // Get total size
 604 void wxWindowX11::DoGetSize(int *x, int *y) const
 605 {
 606     Window xwindow = (Window) GetMainWindow();
 607
 608     wxCHECK_RET( xwindow, wxT("invalid window") );
 609
 610     XSync(wxGlobalDisplay(), False);
 611
 612     XWindowAttributes attr;
 613     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 614     wxASSERT(status);
 615
 616     if (status)
 617     {
 618         *x = attr.width /* + 2*m_borderSize */ ;
 619         *y = attr.height /* + 2*m_borderSize */ ;
 620     }
 621 }
 622
 623 void wxWindowX11::DoGetPosition(int *x, int *y) const
 624 {
 625     Window window = (Window) m_mainWidget;
 626     if (window)
 627     {
 628         XSync(wxGlobalDisplay(), False);
 629         XWindowAttributes attr;
 630         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 631         wxASSERT(status);
 632
 633         if (status)
 634         {
 635             *x = attr.x;
 636             *y = attr.y;
 637
 638             // We may be faking the client origin. So a window that's really at (0, 30)
 639             // may appear (to wxWin apps) to be at (0, 0).
 640             if (GetParent())
 641             {
 642                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 643                 *x -= pt.x;
 644                 *y -= pt.y;
 645             }
 646         }
 647     }
 648 }
 649
 650 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 651 {
 652     Display *display = wxGlobalDisplay();
 653     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 654     Window thisWindow = (Window) m_mainWidget;
 655
 656     Window childWindow;
 657     int xx = *x;
 658     int yy = *y;
 659     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 660 }
 661
 662 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 663 {
 664     Display *display = wxGlobalDisplay();
 665     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 666     Window thisWindow = (Window) m_mainWidget;
 667
 668     Window childWindow;
 669     int xx = *x;
 670     int yy = *y;
 671     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 672 }
 673
 674
 675 // Get size *available for subwindows* i.e. excluding menu bar etc.
 676 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 677 {
 678     Window window = (Window) m_mainWidget;
 679
 680     if (window)
 681     {
 682         XSync(wxGlobalDisplay(), False);  // Is this really a good idea?
 683         XWindowAttributes attr;
 684         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 685         wxASSERT(status);
 686
 687         if (status)
 688         {
 689             *x = attr.width ;
 690             *y = attr.height ;
 691         }
 692     }
 693 }
 694
 695 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 696 {
 697     Window xwindow = (Window) GetMainWindow();
 698
 699     wxCHECK_RET( xwindow, wxT("invalid window") );
 700
 701     XWindowAttributes attr;
 702     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 703     wxCHECK_RET( status, wxT("invalid window attributes") );
 704
 705     int new_x = attr.x;
 706     int new_y = attr.y;
 707     int new_w = attr.width;
 708     int new_h = attr.height;
 709
 710
 711     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 712     {
 713         int yy = 0;
 714         AdjustForParentClientOrigin( x, yy, sizeFlags);
 715         new_x = x;
 716     }
 717     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 718     {
 719         int xx = 0;
 720         AdjustForParentClientOrigin( xx, y, sizeFlags);
 721         new_y = y;
 722     }
 723     if (width != -1)
 724     {
 725         new_w = width;
 726         if (new_w <= 0)
 727             new_w = 20;
 728     }
 729     if (height != -1)
 730     {
 731         new_h = height;
 732         if (new_h <= 0)
 733             new_h = 20;
 734     }
 735
 736     DoMoveWindow( new_x, new_y, new_w, new_h );
 737 }
 738
 739 void wxWindowX11::DoSetClientSize(int width, int height)
 740 {
 741     Window xwindow = (Window) GetMainWindow();
 742
 743     wxCHECK_RET( xwindow, wxT("invalid window") );
 744
 745     XWindowAttributes attr;
 746     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 747     wxCHECK_RET( status, wxT("invalid window attributes") );
 748
 749     int new_x = attr.x;
 750     int new_y = attr.y;
 751     int new_w = attr.width;
 752     int new_h = attr.height;
 753
 754     if (width != -1)
 755         new_w = width;
 756
 757     if (height != -1)
 758         new_h = height;
 759
 760     DoMoveWindow( new_x, new_y, new_w, new_h );
 761 }
 762
 763 // For implementation purposes - sometimes decorations make the client area
 764 // smaller
 765 wxPoint wxWindowX11::GetClientAreaOrigin() const
 766 {
 767     return wxPoint(0, 0);
 768 }
 769
 770 // Makes an adjustment to the window position (for example, a frame that has
 771 // a toolbar that it manages itself).
 772 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 773 {
 774     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 775     {
 776         wxPoint pt(GetParent()->GetClientAreaOrigin());
 777         x += pt.x; y += pt.y;
 778     }
 779 }
 780
 781 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 782 {
 783     m_minWidth = minW;
 784     m_minHeight = minH;
 785     m_maxWidth = maxW;
 786     m_maxHeight = maxH;
 787
 788     XSizeHints sizeHints;
 789     sizeHints.flags = 0;
 790
 791     if (minW > -1 && minH > -1)
 792     {
 793         sizeHints.flags |= PMinSize;
 794         sizeHints.min_width = minW;
 795         sizeHints.min_height = minH;
 796     }
 797     if (maxW > -1 && maxH > -1)
 798     {
 799         sizeHints.flags |= PMaxSize;
 800         sizeHints.max_width = maxW;
 801         sizeHints.max_height = maxH;
 802     }
 803     if (incW > -1 && incH > -1)
 804     {
 805         sizeHints.flags |= PResizeInc;
 806         sizeHints.width_inc = incW;
 807         sizeHints.height_inc = incH;
 808     }
 809
 810     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 811 }
 812
 813 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 814 {
 815     Window xwindow = (Window) GetMainWindow();
 816
 817     wxCHECK_RET( xwindow, wxT("invalid window") );
 818
 819     XWindowChanges windowChanges;
 820     windowChanges.x = x;
 821     windowChanges.y = y;
 822     windowChanges.width = width;
 823     windowChanges.height = height;
 824     windowChanges.stack_mode = 0;
 825     int valueMask = CWX | CWY | CWWidth | CWHeight;
 826
 827     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 828 }
 829
 830 // ---------------------------------------------------------------------------
 831 // text metrics
 832 // ---------------------------------------------------------------------------
 833
 834 int wxWindowX11::GetCharHeight() const
 835 {
 836     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 837
 838     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 839
 840     int direction, ascent, descent;
 841     XCharStruct overall;
 842     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 843         &descent, &overall);
 844
 845     //  return (overall.ascent + overall.descent);
 846     return (ascent + descent);
 847 }
 848
 849 int wxWindowX11::GetCharWidth() const
 850 {
 851     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 852
 853     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 854
 855     int direction, ascent, descent;
 856     XCharStruct overall;
 857     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 858         &descent, &overall);
 859
 860     return overall.width;
 861 }
 862
 863 void wxWindowX11::GetTextExtent(const wxString& string,
 864                              int *x, int *y,
 865                              int *descent, int *externalLeading,
 866                              const wxFont *theFont) const
 867 {
 868     wxFont fontToUse = m_font;
 869     if (theFont) fontToUse = *theFont;
 870
 871     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 872
 873     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 874
 875     int direction, ascent, descent2;
 876     XCharStruct overall;
 877     int slen = string.Len();
 878
 879 #if 0
 880     if (use16)
 881         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 882         &ascent, &descent2, &overall);
 883 #endif
 884
 885     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 886                  &direction, &ascent, &descent2, &overall);
 887
 888     if ( x )
 889         *x = (overall.width);
 890     if ( y )
 891         *y = (ascent + descent2);
 892     if (descent)
 893         *descent = descent2;
 894     if (externalLeading)
 895         *externalLeading = 0;
 896
 897 }
 898
 899 // ----------------------------------------------------------------------------
 900 // painting
 901 // ----------------------------------------------------------------------------
 902
 903 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 904 {
 905     if (eraseBack)
 906     {
 907         if (rect)
 908         {
 909             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 910             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 911         }
 912         else
 913         {
 914             int height,width;
 915             GetSize( &width, &height );
 916
 917             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 918             m_clearRegion.Clear();
 919             m_clearRegion.Union( 0, 0, width, height );
 920         }
 921     }
 922
 923     if (rect)
 924     {
 925          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 926          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 927     }
 928     else
 929     {
 930         int height,width;
 931         GetSize( &width, &height );
 932
 933         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 934         m_updateRegion.Clear();
 935         m_updateRegion.Union( 0, 0, width, height );
 936     }
 937 }
 938
 939 void wxWindowX11::Update()
 940 {
 941     if (!m_updateRegion.IsEmpty())
 942     {
 943         // Actually send erase and paint events.
 944         X11SendPaintEvents();
 945     }
 946 }
 947
 948 void wxWindowX11::Clear()
 949 {
 950     wxClientDC dc((wxWindow*) this);
 951     wxBrush brush(GetBackgroundColour(), wxSOLID);
 952     dc.SetBackground(brush);
 953     dc.Clear();
 954 }
 955
 956 void wxWindowX11::X11SendPaintEvents()
 957 {
 958     m_clipPaintRegion = TRUE;
 959
 960     if (!m_clearRegion.IsEmpty())
 961     {
 962         wxWindowDC dc( (wxWindow*)this );
 963         dc.SetClippingRegion( m_clearRegion );
 964
 965         wxEraseEvent erase_event( GetId(), &dc );
 966         erase_event.SetEventObject( this );
 967
 968         if (!GetEventHandler()->ProcessEvent(erase_event))
 969         {
 970             Window xwindow = (Window) GetMainWindow();
 971             Display *xdisplay = wxGlobalDisplay();
 972             GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 973             XSetFillStyle( xdisplay, xgc, FillSolid );
 974             XSetForeground( xdisplay, xgc, m_backgroundColour.GetPixel() );
 975             wxRegionIterator upd( m_clearRegion );
 976             while (upd)
 977             {
 978                 XFillRectangle( xdisplay, xwindow, xgc,
 979                                 upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
 980                 upd ++;
 981             }
 982             XFreeGC( xdisplay, xgc );
 983         }
 984         m_clearRegion.Clear();
 985     }
 986
 987     wxNcPaintEvent nc_paint_event( GetId() );
 988     nc_paint_event.SetEventObject( this );
 989     GetEventHandler()->ProcessEvent( nc_paint_event );
 990
 991     wxPaintEvent paint_event( GetId() );
 992     paint_event.SetEventObject( this );
 993     GetEventHandler()->ProcessEvent( paint_event );
 994
 995     m_updateRegion.Clear();
 996
 997     m_clipPaintRegion = FALSE;
 998 }
 999
1000 // ----------------------------------------------------------------------------
1001 // event handlers
1002 // ----------------------------------------------------------------------------
1003
1004 // Responds to colour changes: passes event on to children.
1005 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1006 {
1007     wxWindowList::Node *node = GetChildren().GetFirst();
1008     while ( node )
1009     {
1010         // Only propagate to non-top-level windows
1011         wxWindow *win = node->GetData();
1012         if ( win->GetParent() )
1013         {
1014             wxSysColourChangedEvent event2;
1015             event.m_eventObject = win;
1016             win->GetEventHandler()->ProcessEvent(event2);
1017         }
1018
1019         node = node->GetNext();
1020     }
1021 }
1022
1023 void wxWindowX11::OnInternalIdle()
1024 {
1025     // Update invalidated regions.
1026     Update();
1027
1028     // This calls the UI-update mechanism (querying windows for
1029     // menu/toolbar/control state information)
1030     UpdateWindowUI();
1031
1032     // Set the input focus if couldn't do it before
1033     if (m_needsInputFocus)
1034         SetFocus();
1035 }
1036
1037 // ----------------------------------------------------------------------------
1038 // function which maintain the global hash table mapping Widgets to wxWindows
1039 // ----------------------------------------------------------------------------
1040
1041 bool wxAddWindowToTable(Window w, wxWindow *win)
1042 {
1043     wxWindow *oldItem = NULL;
1044     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1045     {
1046         wxLogDebug("Widget table clash: new widget is %ld, %s",
1047                    (long)w, win->GetClassInfo()->GetClassName());
1048         return FALSE;
1049     }
1050
1051     wxWidgetHashTable->Put((long) w, win);
1052
1053     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1054                w, win, win->GetClassInfo()->GetClassName());
1055
1056     return TRUE;
1057 }
1058
1059 wxWindow *wxGetWindowFromTable(Window w)
1060 {
1061     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1062 }
1063
1064 void wxDeleteWindowFromTable(Window w)
1065 {
1066     wxWidgetHashTable->Delete((long)w);
1067 }
1068
1069 // ----------------------------------------------------------------------------
1070 // add/remove window from the table
1071 // ----------------------------------------------------------------------------
1072
1073 // ----------------------------------------------------------------------------
1074 // X11-specific accessors
1075 // ----------------------------------------------------------------------------
1076
1077 // Get the underlying X window
1078 WXWindow wxWindowX11::GetXWindow() const
1079 {
1080     return GetMainWindow();
1081 }
1082
1083 // Get the underlying X display
1084 WXDisplay *wxWindowX11::GetXDisplay() const
1085 {
1086     return wxGetDisplay();
1087 }
1088
1089 WXWindow wxWindowX11::GetMainWindow() const
1090 {
1091     return m_mainWidget;
1092 }
1093
1094 // ----------------------------------------------------------------------------
1095 // TranslateXXXEvent() functions
1096 // ----------------------------------------------------------------------------
1097
1098 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1099 {
1100     switch (xevent->xany.type)
1101     {
1102         case EnterNotify:
1103         case LeaveNotify:
1104         case ButtonPress:
1105         case ButtonRelease:
1106         case MotionNotify:
1107         {
1108             wxEventType eventType = wxEVT_NULL;
1109
1110             if (xevent->xany.type == EnterNotify)
1111             {
1112                 //if (local_event.xcrossing.mode!=NotifyNormal)
1113                 //  return ; // Ignore grab events
1114                 eventType = wxEVT_ENTER_WINDOW;
1115                 //            canvas->GetEventHandler()->OnSetFocus();
1116             }
1117             else if (xevent->xany.type == LeaveNotify)
1118             {
1119                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1120                 //  return ; // Ignore grab events
1121                 eventType = wxEVT_LEAVE_WINDOW;
1122                 //            canvas->GetEventHandler()->OnKillFocus();
1123             }
1124             else if (xevent->xany.type == MotionNotify)
1125             {
1126                 eventType = wxEVT_MOTION;
1127             }
1128             else if (xevent->xany.type == ButtonPress)
1129             {
1130                 wxevent.SetTimestamp(xevent->xbutton.time);
1131                 int button = 0;
1132                 if (xevent->xbutton.button == Button1)
1133                 {
1134                     eventType = wxEVT_LEFT_DOWN;
1135                     button = 1;
1136                 }
1137                 else if (xevent->xbutton.button == Button2)
1138                 {
1139                     eventType = wxEVT_MIDDLE_DOWN;
1140                     button = 2;
1141                 }
1142                 else if (xevent->xbutton.button == Button3)
1143                 {
1144                     eventType = wxEVT_RIGHT_DOWN;
1145                     button = 3;
1146                 }
1147
1148                 // check for a double click
1149                 // TODO: where can we get this value from?
1150                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1151                 long dclickTime = 200;
1152                 long ts = wxevent.GetTimestamp();
1153
1154                 int buttonLast = win->GetLastClickedButton();
1155                 long lastTS = win->GetLastClickTime();
1156                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1157                 {
1158                     // I have a dclick
1159                     win->SetLastClick(0, ts);
1160                     if ( eventType == wxEVT_LEFT_DOWN )
1161                         eventType = wxEVT_LEFT_DCLICK;
1162                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1163                         eventType = wxEVT_MIDDLE_DCLICK;
1164                     else if ( eventType == wxEVT_RIGHT_DOWN )
1165                         eventType = wxEVT_RIGHT_DCLICK;
1166                 }
1167                 else
1168                 {
1169                     // not fast enough or different button
1170                     win->SetLastClick(button, ts);
1171                 }
1172             }
1173             else if (xevent->xany.type == ButtonRelease)
1174             {
1175                 if (xevent->xbutton.button == Button1)
1176                 {
1177                     eventType = wxEVT_LEFT_UP;
1178                 }
1179                 else if (xevent->xbutton.button == Button2)
1180                 {
1181                     eventType = wxEVT_MIDDLE_UP;
1182                 }
1183                 else if (xevent->xbutton.button == Button3)
1184                 {
1185                     eventType = wxEVT_RIGHT_UP;
1186                 }
1187                 else return FALSE;
1188             }
1189             else
1190             {
1191                 return FALSE;
1192             }
1193
1194             wxevent.SetEventType(eventType);
1195
1196             wxevent.m_x = xevent->xbutton.x;
1197             wxevent.m_y = xevent->xbutton.y;
1198
1199             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1200                 || (event_left_is_down (xevent)
1201                 && (eventType != wxEVT_LEFT_UP)));
1202             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1203                 || (event_middle_is_down (xevent)
1204                 && (eventType != wxEVT_MIDDLE_UP)));
1205             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1206                 || (event_right_is_down (xevent)
1207                 && (eventType != wxEVT_RIGHT_UP)));
1208
1209             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1210             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1211             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1212             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1213
1214             wxevent.SetId(win->GetId());
1215             wxevent.SetEventObject(win);
1216
1217             return TRUE;
1218         }
1219     }
1220     return FALSE;
1221 }
1222
1223 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1224 {
1225     switch (xevent->xany.type)
1226     {
1227     case KeyPress:
1228     case KeyRelease:
1229         {
1230             char buf[20];
1231
1232             KeySym keySym;
1233             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1234             int id = wxCharCodeXToWX (keySym);
1235
1236             if (xevent->xkey.state & ShiftMask)
1237                 wxevent.m_shiftDown = TRUE;
1238             if (xevent->xkey.state & ControlMask)
1239                 wxevent.m_controlDown = TRUE;
1240             if (xevent->xkey.state & Mod3Mask)
1241                 wxevent.m_altDown = TRUE;
1242             if (xevent->xkey.state & Mod1Mask)
1243                 wxevent.m_metaDown = TRUE;
1244             wxevent.SetEventObject(win);
1245             wxevent.m_keyCode = id;
1246             wxevent.SetTimestamp(xevent->xkey.time);
1247
1248             wxevent.m_x = xevent->xbutton.x;
1249             wxevent.m_y = xevent->xbutton.y;
1250
1251             if (id > -1)
1252                 return TRUE;
1253             else
1254                 return FALSE;
1255             break;
1256         }
1257     default:
1258         break;
1259     }
1260     return FALSE;
1261 }
1262
1263 // ----------------------------------------------------------------------------
1264 // Colour stuff
1265 // ----------------------------------------------------------------------------
1266
1267 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1268 {
1269     wxWindowBase::SetBackgroundColour(col);
1270
1271     Display *xdisplay = (Display*) wxGlobalDisplay();
1272     int xscreen = DefaultScreen( xdisplay );
1273     Colormap cm = DefaultColormap( xdisplay, xscreen );
1274
1275     m_backgroundColour.CalcPixel( (WXColormap) cm );
1276
1277     if (!GetMainWindow())
1278         return FALSE;
1279
1280 /*
1281     XSetWindowAttributes attrib;
1282     attrib.background_pixel = colour.GetPixel();
1283
1284     XChangeWindowAttributes(wxGlobalDisplay(),
1285         (Window) GetMainWindow(),
1286         CWBackPixel,
1287         & attrib);
1288 */
1289
1290     return TRUE;
1291 }
1292
1293 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1294 {
1295     if ( !wxWindowBase::SetForegroundColour(col) )
1296         return FALSE;
1297
1298     return TRUE;
1299 }
1300
1301 // ----------------------------------------------------------------------------
1302 // global functions
1303 // ----------------------------------------------------------------------------
1304
1305 wxWindow *wxGetActiveWindow()
1306 {
1307     // TODO
1308     wxFAIL_MSG("Not implemented");
1309     return NULL;
1310 }
1311
1312 /* static */
1313 wxWindow *wxWindowBase::GetCapture()
1314 {
1315     return (wxWindow *)g_captureWindow;
1316 }
1317
1318
1319 // Find the wxWindow at the current mouse position, returning the mouse
1320 // position.
1321 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1322 {
1323     return wxFindWindowAtPoint(wxGetMousePosition());
1324 }
1325
1326 // Get the current mouse position.
1327 wxPoint wxGetMousePosition()
1328 {
1329     Display *display = wxGlobalDisplay();
1330     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1331     Window rootReturn, childReturn;
1332     int rootX, rootY, winX, winY;
1333     unsigned int maskReturn;
1334
1335     XQueryPointer (display,
1336                    rootWindow,
1337                    &rootReturn,
1338                    &childReturn,
1339                    &rootX, &rootY, &winX, &winY, &maskReturn);
1340     return wxPoint(rootX, rootY);
1341 }
1342
1343
1344 // ----------------------------------------------------------------------------
1345 // wxNoOptimize: switch off size optimization
1346 // ----------------------------------------------------------------------------
1347
1348 int wxNoOptimize::ms_count = 0;
1349