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
  97     m_winCaptured = FALSE;
  98
  99     m_isShown = TRUE;
 100     m_isBeingDeleted = FALSE;
 101
 102     m_lastTS = 0;
 103     m_lastButton = 0;
 104 }
 105
 106 // real construction (Init() must have been called before!)
 107 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 108                       const wxPoint& pos,
 109                       const wxSize& size,
 110                       long style,
 111                       const wxString& name)
 112 {
 113     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 114
 115     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 116
 117     parent->AddChild(this);
 118
 119     int w = size.GetWidth();
 120     int h = size.GetHeight();
 121     int x = size.GetX();
 122     int y = size.GetY();
 123     if (w == -1) w = 20;
 124     if (h == -1) h = 20;
 125     if (x == -1) x = 0;
 126     if (y == -1) y = 0;
 127
 128     Display *xdisplay = (Display*) wxGlobalDisplay();
 129     int xscreen = DefaultScreen( xdisplay );
 130     Colormap cm = DefaultColormap( xdisplay, xscreen );
 131
 132     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 133     m_backgroundColour.CalcPixel( (WXColormap) cm );
 134     m_hasBgCol = TRUE;
 135
 136     m_foregroundColour = *wxBLACK;
 137     m_foregroundColour.CalcPixel( (WXColormap) cm );
 138
 139
 140     Window parentWindow = (Window) parent->GetMainWindow();
 141
 142     Window window = XCreateSimpleWindow(
 143         xdisplay, parentWindow,
 144         x, y, w, h, 0,
 145         m_backgroundColour.GetPixel(),
 146         m_backgroundColour.GetPixel() );
 147
 148     m_mainWidget = (WXWindow) window;
 149
 150     // Select event types wanted
 151     XSelectInput(wxGlobalDisplay(), window,
 152         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 153         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 154         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 155         PropertyChangeMask);
 156
 157     wxAddWindowToTable(window, (wxWindow*) this);
 158
 159     // Is a subwindow, so map immediately
 160     m_isShown = TRUE;
 161     XMapWindow(wxGlobalDisplay(), window);
 162
 163     // Without this, the cursor may not be restored properly (e.g. in splitter
 164     // sample).
 165     SetCursor(*wxSTANDARD_CURSOR);
 166     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 167     SetSize(pos.x, pos.y, size.x, size.y);
 168
 169     return TRUE;
 170 }
 171
 172 // Destructor
 173 wxWindowX11::~wxWindowX11()
 174 {
 175     if (g_captureWindow == this)
 176         g_captureWindow = NULL;
 177
 178     m_isBeingDeleted = TRUE;
 179
 180     // X11-specific actions first
 181     Window main = (Window) m_mainWidget;
 182     if ( main )
 183     {
 184         // Removes event handlers
 185         //DetachWidget(main);
 186     }
 187
 188     if (m_parent)
 189         m_parent->RemoveChild( this );
 190
 191     DestroyChildren();
 192
 193     // Destroy the window
 194     if (main)
 195     {
 196         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 197         wxDeleteWindowFromTable( main );
 198         XDestroyWindow( wxGlobalDisplay(), main );
 199         m_mainWidget = NULL;
 200     }
 201 }
 202
 203 // ---------------------------------------------------------------------------
 204 // basic operations
 205 // ---------------------------------------------------------------------------
 206
 207 void wxWindowX11::SetFocus()
 208 {
 209     Window wMain = (Window) GetMainWindow();
 210     if (wMain)
 211     {
 212         XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
 213
 214         XWMHints wmhints;
 215         wmhints.flags = InputHint;
 216         wmhints.input = True;
 217         XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
 218     }
 219 }
 220
 221 // Get the window with the focus
 222 wxWindow *wxWindowBase::FindFocus()
 223 {
 224     Window wFocus = (Window) 0;
 225     int revert = 0;
 226
 227     XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
 228     if (wFocus)
 229     {
 230         wxWindow *win = NULL;
 231         do
 232         {
 233             win = wxGetWindowFromTable(wFocus);
 234             wFocus = wxGetWindowParent(wFocus);
 235         } while (wFocus && !win);
 236
 237         return win;
 238     }
 239
 240     return NULL;
 241 }
 242
 243 // Enabling/disabling handled by event loop, and not sending events
 244 // if disabled.
 245 bool wxWindowX11::Enable(bool enable)
 246 {
 247     if ( !wxWindowBase::Enable(enable) )
 248         return FALSE;
 249
 250     return TRUE;
 251 }
 252
 253 bool wxWindowX11::Show(bool show)
 254 {
 255     wxWindowBase::Show(show);
 256
 257     Window xwin = (Window) GetXWindow();
 258     Display *xdisp = (Display*) GetXDisplay();
 259     if (show)
 260     {
 261         wxString msg;
 262         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 263         wxLogDebug(msg);
 264         XMapWindow(xdisp, xwin);
 265         XSync(xdisp, False);
 266     }
 267     else
 268     {
 269         wxString msg;
 270         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 271         wxLogDebug(msg);
 272         XUnmapWindow(xdisp, xwin);
 273     }
 274
 275     return TRUE;
 276 }
 277
 278 // Raise the window to the top of the Z order
 279 void wxWindowX11::Raise()
 280 {
 281     if (m_mainWidget)
 282         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 283 }
 284
 285 // Lower the window to the bottom of the Z order
 286 void wxWindowX11::Lower()
 287 {
 288     if (m_mainWidget)
 289         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 290 }
 291
 292 void wxWindowX11::DoCaptureMouse()
 293 {
 294     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 295     {
 296         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 297
 298         // Core dump now
 299         int *tmp = NULL;
 300         (*tmp) = 1;
 301         return;
 302     }
 303
 304     if (m_winCaptured)
 305         return;
 306
 307     Window xwindow = (Window) GetMainWindow();
 308
 309     g_captureWindow = (wxWindow*) this;
 310
 311     if (xwindow)
 312     {
 313         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 314             FALSE,
 315             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 316             GrabModeAsync,
 317                 GrabModeAsync,
 318             None,
 319             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 320             CurrentTime );
 321
 322         if (res != GrabSuccess)
 323         {
 324             wxString msg;
 325             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 326             wxLogDebug(msg);
 327             if (res == GrabNotViewable)
 328             {
 329                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 330             }
 331             g_captureWindow = NULL;
 332             return;
 333         }
 334
 335         wxLogDebug("Grabbed pointer");
 336
 337 #if 0
 338         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 339             (Window) GetMainWindow(),
 340             FALSE,
 341             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 342                 GrabModeAsync,
 343                 GrabModeAsync,
 344             None,
 345             None);
 346
 347         if (res != GrabSuccess)
 348         {
 349             wxLogDebug("Failed to grab mouse buttons.");
 350             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 351             return;
 352         }
 353 #endif
 354
 355 #if 0
 356         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 357             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 358             FALSE,
 359             GrabModeAsync,
 360                 GrabModeAsync,
 361             CurrentTime);
 362
 363         if (res != GrabSuccess)
 364         {
 365             wxLogDebug("Failed to grab keyboard.");
 366             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 367             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 368                 (Window) GetMainWindow());
 369             return;
 370         }
 371 #endif
 372
 373         m_winCaptured = TRUE;
 374     }
 375 }
 376
 377 void wxWindowX11::DoReleaseMouse()
 378 {
 379     g_captureWindow = NULL;
 380
 381     if ( !m_winCaptured )
 382         return;
 383
 384     Window xwindow = (Window) GetMainWindow();
 385
 386     if (xwindow)
 387     {
 388         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 389 #if 0
 390         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 391         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 392 #endif
 393     }
 394     wxLogDebug("Ungrabbed pointer");
 395
 396     m_winCaptured = FALSE;
 397 }
 398
 399 bool wxWindowX11::SetFont(const wxFont& font)
 400 {
 401     if ( !wxWindowBase::SetFont(font) )
 402     {
 403         // nothing to do
 404         return FALSE;
 405     }
 406
 407     return TRUE;
 408 }
 409
 410 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 411 {
 412     if ( !wxWindowBase::SetCursor(cursor) )
 413     {
 414         // no change
 415         return FALSE;
 416     }
 417
 418     wxCursor* cursor2 = NULL;
 419     if (m_cursor.Ok())
 420         cursor2 = & m_cursor;
 421     else
 422         cursor2 = wxSTANDARD_CURSOR;
 423
 424     WXCursor x_cursor = cursor2->GetCursor();
 425
 426     Window win = (Window) GetMainWindow();
 427     XDefineCursor((Display*) wxGlobalDisplay(), win, (Cursor) x_cursor);
 428
 429     return TRUE;
 430 }
 431
 432 // Coordinates relative to the window
 433 void wxWindowX11::WarpPointer (int x, int y)
 434 {
 435     if (m_mainWidget)
 436         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 437 }
 438
 439 // Does a physical scroll
 440 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 441 {
 442 #if 0
 443     int x, y, w, h;
 444     if (rect)
 445     {
 446         // Use specified rectangle
 447         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 448     }
 449     else
 450     {
 451         // Use whole client area
 452         x = 0; y = 0;
 453         GetClientSize(& w, & h);
 454     }
 455
 456     wxNode *cnode = m_children.First();
 457     while (cnode)
 458     {
 459         wxWindow *child = (wxWindow*) cnode->Data();
 460         int sx = 0;
 461         int sy = 0;
 462         child->GetSize( &sx, &sy );
 463         wxPoint pos( child->GetPosition() );
 464         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 465         cnode = cnode->Next();
 466     }
 467
 468     int x1 = (dx >= 0) ? x : x - dx;
 469     int y1 = (dy >= 0) ? y : y - dy;
 470     int w1 = w - abs(dx);
 471     int h1 = h - abs(dy);
 472     int x2 = (dx >= 0) ? x + dx : x;
 473     int y2 = (dy >= 0) ? y + dy : y;
 474
 475     wxClientDC dc((wxWindow*) this);
 476
 477     dc.SetLogicalFunction (wxCOPY);
 478
 479     Window window = (Window) GetMainWindow();
 480     Display* display = wxGlobalDisplay();
 481
 482     XCopyArea(display, window, window, (GC) dc.GetGC(),
 483         x1, y1, w1, h1, x2, y2);
 484
 485     dc.SetAutoSetting(TRUE);
 486     wxBrush brush(GetBackgroundColour(), wxSOLID);
 487     dc.SetBrush(brush); // FIXME: needed?
 488
 489     // We'll add rectangles to the list of update rectangles according to which
 490     // bits we've exposed.
 491     wxList updateRects;
 492
 493     if (dx > 0)
 494     {
 495         wxRect *rect = new wxRect;
 496         rect->x = x;
 497         rect->y = y;
 498         rect->width = dx;
 499         rect->height = h;
 500
 501         XFillRectangle(display, window,
 502             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 503
 504         rect->x = rect->x;
 505         rect->y = rect->y;
 506         rect->width = rect->width;
 507         rect->height = rect->height;
 508
 509         updateRects.Append((wxObject*) rect);
 510     }
 511     else if (dx < 0)
 512     {
 513         wxRect *rect = new wxRect;
 514
 515         rect->x = x + w + dx;
 516         rect->y = y;
 517         rect->width = -dx;
 518         rect->height = h;
 519
 520         XFillRectangle(display, window,
 521             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 522             rect->height);
 523
 524         rect->x = rect->x;
 525         rect->y = rect->y;
 526         rect->width = rect->width;
 527         rect->height = rect->height;
 528
 529         updateRects.Append((wxObject*) rect);
 530     }
 531     if (dy > 0)
 532     {
 533         wxRect *rect = new wxRect;
 534
 535         rect->x = x;
 536         rect->y = y;
 537         rect->width = w;
 538         rect->height = dy;
 539
 540         XFillRectangle(display, window,
 541             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 542
 543         rect->x = rect->x;
 544         rect->y = rect->y;
 545         rect->width = rect->width;
 546         rect->height = rect->height;
 547
 548         updateRects.Append((wxObject*) rect);
 549     }
 550     else if (dy < 0)
 551     {
 552         wxRect *rect = new wxRect;
 553
 554         rect->x = x;
 555         rect->y = y + h + dy;
 556         rect->width = w;
 557         rect->height = -dy;
 558
 559         XFillRectangle(display, window,
 560             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 561
 562         rect->x = rect->x;
 563         rect->y = rect->y;
 564         rect->width = rect->width;
 565         rect->height = rect->height;
 566
 567         updateRects.Append((wxObject*) rect);
 568     }
 569     dc.SetBrush(wxNullBrush);
 570
 571     // Now send expose events
 572
 573     wxNode* node = updateRects.First();
 574     while (node)
 575     {
 576         wxRect* rect = (wxRect*) node->Data();
 577         XExposeEvent event;
 578
 579         event.type = Expose;
 580         event.display = display;
 581         event.send_event = True;
 582         event.window = window;
 583
 584         event.x = rect->x;
 585         event.y = rect->y;
 586         event.width = rect->width;
 587         event.height = rect->height;
 588
 589         event.count = 0;
 590
 591         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 592
 593         node = node->Next();
 594
 595     }
 596
 597     // Delete the update rects
 598     node = updateRects.First();
 599     while (node)
 600     {
 601         wxRect* rect = (wxRect*) node->Data();
 602         delete rect;
 603         node = node->Next();
 604     }
 605 #endif
 606 }
 607
 608 // ---------------------------------------------------------------------------
 609 // drag and drop
 610 // ---------------------------------------------------------------------------
 611
 612 #if wxUSE_DRAG_AND_DROP
 613
 614 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 615 {
 616     // TODO
 617 }
 618
 619 #endif
 620
 621 // Old style file-manager drag&drop
 622 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 623 {
 624     // TODO
 625 }
 626
 627 // ----------------------------------------------------------------------------
 628 // tooltips
 629 // ----------------------------------------------------------------------------
 630
 631 #if wxUSE_TOOLTIPS
 632
 633 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 634 {
 635     // TODO
 636 }
 637
 638 #endif // wxUSE_TOOLTIPS
 639
 640 // ---------------------------------------------------------------------------
 641 // moving and resizing
 642 // ---------------------------------------------------------------------------
 643
 644 bool wxWindowX11::PreResize()
 645 {
 646     return TRUE;
 647 }
 648
 649 // Get total size
 650 void wxWindowX11::DoGetSize(int *x, int *y) const
 651 {
 652     Window window = (Window) m_mainWidget;
 653     if (window)
 654     {
 655         XWindowAttributes attr;
 656         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 657         wxASSERT(status);
 658
 659         if (status)
 660         {
 661             *x = attr.width /* + 2*m_borderSize */ ;
 662             *y = attr.height /* + 2*m_borderSize */ ;
 663         }
 664     }
 665 }
 666
 667 void wxWindowX11::DoGetPosition(int *x, int *y) const
 668 {
 669     Window window = (Window) m_mainWidget;
 670     if (window)
 671     {
 672         XWindowAttributes attr;
 673         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 674         wxASSERT(status);
 675
 676         if (status)
 677         {
 678             *x = attr.x;
 679             *y = attr.y;
 680
 681             // We may be faking the client origin. So a window that's really at (0, 30)
 682             // may appear (to wxWin apps) to be at (0, 0).
 683             if (GetParent())
 684             {
 685                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 686                 *x -= pt.x;
 687                 *y -= pt.y;
 688             }
 689         }
 690     }
 691 }
 692
 693 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 694 {
 695     Display *display = wxGlobalDisplay();
 696     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 697     Window thisWindow = (Window) m_mainWidget;
 698
 699     Window childWindow;
 700     int xx = *x;
 701     int yy = *y;
 702     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 703 }
 704
 705 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 706 {
 707     Display *display = wxGlobalDisplay();
 708     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 709     Window thisWindow = (Window) m_mainWidget;
 710
 711     Window childWindow;
 712     int xx = *x;
 713     int yy = *y;
 714     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 715 }
 716
 717
 718 // Get size *available for subwindows* i.e. excluding menu bar etc.
 719 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 720 {
 721     Window window = (Window) m_mainWidget;
 722
 723     if (window)
 724     {
 725         XWindowAttributes attr;
 726         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 727         wxASSERT(status);
 728
 729         if (status)
 730         {
 731             *x = attr.width ;
 732             *y = attr.height ;
 733         }
 734     }
 735 }
 736
 737 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 738 {
 739     if (!GetMainWindow())
 740         return;
 741
 742     XWindowChanges windowChanges;
 743     int valueMask = 0;
 744
 745     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 746     {
 747         int yy = 0;
 748         AdjustForParentClientOrigin( x, yy, sizeFlags);
 749         windowChanges.x = x;
 750         valueMask |= CWX;
 751     }
 752     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 753     {
 754         int xx = 0;
 755         AdjustForParentClientOrigin( xx, y, sizeFlags);
 756         windowChanges.y = y;
 757         valueMask |= CWY;
 758     }
 759     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 760     {
 761         windowChanges.width = width /* - m_borderSize*2 */;
 762         valueMask |= CWWidth;
 763     }
 764     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 765     {
 766         windowChanges.height = height /* -m_borderSize*2*/;
 767         valueMask |= CWHeight;
 768     }
 769
 770     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 771         valueMask, & windowChanges);
 772 }
 773
 774 void wxWindowX11::DoSetClientSize(int width, int height)
 775 {
 776     if (!GetMainWindow())
 777         return;
 778
 779     XWindowChanges windowChanges;
 780     int valueMask = 0;
 781
 782     if (width != -1)
 783     {
 784         windowChanges.width = width ;
 785         valueMask |= CWWidth;
 786     }
 787     if (height != -1)
 788     {
 789         windowChanges.height = height ;
 790         valueMask |= CWHeight;
 791     }
 792     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 793         valueMask, & windowChanges);
 794 }
 795
 796 // For implementation purposes - sometimes decorations make the client area
 797 // smaller
 798 wxPoint wxWindowX11::GetClientAreaOrigin() const
 799 {
 800     return wxPoint(0, 0);
 801 }
 802
 803 // Makes an adjustment to the window position (for example, a frame that has
 804 // a toolbar that it manages itself).
 805 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 806 {
 807     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 808     {
 809         wxPoint pt(GetParent()->GetClientAreaOrigin());
 810         x += pt.x; y += pt.y;
 811     }
 812 }
 813
 814 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 815 {
 816     m_minWidth = minW;
 817     m_minHeight = minH;
 818     m_maxWidth = maxW;
 819     m_maxHeight = maxH;
 820
 821     XSizeHints sizeHints;
 822     sizeHints.flags = 0;
 823
 824     if (minW > -1 && minH > -1)
 825     {
 826         sizeHints.flags |= PMinSize;
 827         sizeHints.min_width = minW;
 828         sizeHints.min_height = minH;
 829     }
 830     if (maxW > -1 && maxH > -1)
 831     {
 832         sizeHints.flags |= PMaxSize;
 833         sizeHints.max_width = maxW;
 834         sizeHints.max_height = maxH;
 835     }
 836     if (incW > -1 && incH > -1)
 837     {
 838         sizeHints.flags |= PResizeInc;
 839         sizeHints.width_inc = incW;
 840         sizeHints.height_inc = incH;
 841     }
 842
 843     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 844 }
 845
 846 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 847 {
 848     DoSetSize(x, y, width, height);
 849 }
 850
 851 // ---------------------------------------------------------------------------
 852 // text metrics
 853 // ---------------------------------------------------------------------------
 854
 855 int wxWindowX11::GetCharHeight() const
 856 {
 857     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 858
 859     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 860
 861     int direction, ascent, descent;
 862     XCharStruct overall;
 863     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 864         &descent, &overall);
 865
 866     //  return (overall.ascent + overall.descent);
 867     return (ascent + descent);
 868 }
 869
 870 int wxWindowX11::GetCharWidth() const
 871 {
 872     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 873
 874     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 875
 876     int direction, ascent, descent;
 877     XCharStruct overall;
 878     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 879         &descent, &overall);
 880
 881     return overall.width;
 882 }
 883
 884 void wxWindowX11::GetTextExtent(const wxString& string,
 885                              int *x, int *y,
 886                              int *descent, int *externalLeading,
 887                              const wxFont *theFont) const
 888 {
 889     wxFont fontToUse = m_font;
 890     if (theFont) fontToUse = *theFont;
 891
 892     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 893
 894     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 895
 896     int direction, ascent, descent2;
 897     XCharStruct overall;
 898     int slen = string.Len();
 899
 900 #if 0
 901     if (use16)
 902         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 903         &ascent, &descent2, &overall);
 904 #endif
 905
 906     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 907                  &direction, &ascent, &descent2, &overall);
 908
 909     if ( x )
 910         *x = (overall.width);
 911     if ( y )
 912         *y = (ascent + descent2);
 913     if (descent)
 914         *descent = descent2;
 915     if (externalLeading)
 916         *externalLeading = 0;
 917
 918 }
 919
 920 // ----------------------------------------------------------------------------
 921 // painting
 922 // ----------------------------------------------------------------------------
 923
 924 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 925 {
 926     if (eraseBack)
 927     {
 928         if (rect)
 929         {
 930             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 931             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 932         }
 933         else
 934         {
 935             int height,width;
 936             GetSize( &width, &height );
 937
 938             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 939             m_clearRegion.Clear();
 940             m_clearRegion.Union( 0, 0, width, height );
 941         }
 942     }
 943
 944     if (rect)
 945     {
 946          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 947          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 948     }
 949     else
 950     {
 951         int height,width;
 952         GetSize( &width, &height );
 953
 954         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 955         m_updateRegion.Clear();
 956         m_updateRegion.Union( 0, 0, width, height );
 957     }
 958 }
 959
 960 void wxWindowX11::Update()
 961 {
 962     if (!m_updateRegion.IsEmpty())
 963     {
 964         X11SendPaintEvents();
 965     }
 966 }
 967
 968 void wxWindowX11::Clear()
 969 {
 970     wxClientDC dc((wxWindow*) this);
 971     wxBrush brush(GetBackgroundColour(), wxSOLID);
 972     dc.SetBackground(brush);
 973     dc.Clear();
 974 }
 975
 976 void wxWindowX11::X11SendPaintEvents()
 977 {
 978     m_clipPaintRegion = TRUE;
 979
 980     //    if (!m_clearRegion.IsEmpty())
 981     {
 982         wxWindowDC dc( (wxWindow*)this );
 983         dc.SetClippingRegion( m_clearRegion );
 984
 985         wxEraseEvent erase_event( GetId(), &dc );
 986         erase_event.SetEventObject( this );
 987
 988         if (!GetEventHandler()->ProcessEvent(erase_event))
 989         {
 990             wxRegionIterator upd( m_clearRegion );
 991             while (upd)
 992             {
 993                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
 994                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
 995                 upd ++;
 996             }
 997         }
 998         m_clearRegion.Clear();
 999     }
1000
1001     wxNcPaintEvent nc_paint_event( GetId() );
1002     nc_paint_event.SetEventObject( this );
1003     GetEventHandler()->ProcessEvent( nc_paint_event );
1004
1005     wxPaintEvent paint_event( GetId() );
1006     paint_event.SetEventObject( this );
1007     GetEventHandler()->ProcessEvent( paint_event );
1008
1009     m_updateRegion.Clear();
1010
1011     m_clipPaintRegion = FALSE;
1012 }
1013
1014 // ----------------------------------------------------------------------------
1015 // event handlers
1016 // ----------------------------------------------------------------------------
1017
1018 // Responds to colour changes: passes event on to children.
1019 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1020 {
1021     wxWindowList::Node *node = GetChildren().GetFirst();
1022     while ( node )
1023     {
1024         // Only propagate to non-top-level windows
1025         wxWindow *win = node->GetData();
1026         if ( win->GetParent() )
1027         {
1028             wxSysColourChangedEvent event2;
1029             event.m_eventObject = win;
1030             win->GetEventHandler()->ProcessEvent(event2);
1031         }
1032
1033         node = node->GetNext();
1034     }
1035 }
1036
1037 void wxWindowX11::OnInternalIdle()
1038 {
1039     // Update invalidated regions.
1040     Update();
1041
1042     // This calls the UI-update mechanism (querying windows for
1043     // menu/toolbar/control state information)
1044     UpdateWindowUI();
1045 }
1046
1047 // ----------------------------------------------------------------------------
1048 // function which maintain the global hash table mapping Widgets to wxWindows
1049 // ----------------------------------------------------------------------------
1050
1051 bool wxAddWindowToTable(Window w, wxWindow *win)
1052 {
1053     wxWindow *oldItem = NULL;
1054     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1055     {
1056         wxLogDebug("Widget table clash: new widget is %ld, %s",
1057                    (long)w, win->GetClassInfo()->GetClassName());
1058         return FALSE;
1059     }
1060
1061     wxWidgetHashTable->Put((long) w, win);
1062
1063     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1064                w, win, win->GetClassInfo()->GetClassName());
1065
1066     return TRUE;
1067 }
1068
1069 wxWindow *wxGetWindowFromTable(Window w)
1070 {
1071     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1072 }
1073
1074 void wxDeleteWindowFromTable(Window w)
1075 {
1076     wxWidgetHashTable->Delete((long)w);
1077 }
1078
1079 // ----------------------------------------------------------------------------
1080 // add/remove window from the table
1081 // ----------------------------------------------------------------------------
1082
1083 // ----------------------------------------------------------------------------
1084 // X11-specific accessors
1085 // ----------------------------------------------------------------------------
1086
1087 // Get the underlying X window
1088 WXWindow wxWindowX11::GetXWindow() const
1089 {
1090     return GetMainWindow();
1091 }
1092
1093 // Get the underlying X display
1094 WXDisplay *wxWindowX11::GetXDisplay() const
1095 {
1096     return wxGetDisplay();
1097 }
1098
1099 WXWindow wxWindowX11::GetMainWindow() const
1100 {
1101     return m_mainWidget;
1102 }
1103
1104 // ----------------------------------------------------------------------------
1105 // TranslateXXXEvent() functions
1106 // ----------------------------------------------------------------------------
1107
1108 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1109 {
1110     switch (xevent->xany.type)
1111     {
1112         case EnterNotify:
1113         case LeaveNotify:
1114         case ButtonPress:
1115         case ButtonRelease:
1116         case MotionNotify:
1117         {
1118             wxEventType eventType = wxEVT_NULL;
1119
1120             if (xevent->xany.type == EnterNotify)
1121             {
1122                 //if (local_event.xcrossing.mode!=NotifyNormal)
1123                 //  return ; // Ignore grab events
1124                 eventType = wxEVT_ENTER_WINDOW;
1125                 //            canvas->GetEventHandler()->OnSetFocus();
1126             }
1127             else if (xevent->xany.type == LeaveNotify)
1128             {
1129                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1130                 //  return ; // Ignore grab events
1131                 eventType = wxEVT_LEAVE_WINDOW;
1132                 //            canvas->GetEventHandler()->OnKillFocus();
1133             }
1134             else if (xevent->xany.type == MotionNotify)
1135             {
1136                 eventType = wxEVT_MOTION;
1137             }
1138             else if (xevent->xany.type == ButtonPress)
1139             {
1140                 wxevent.SetTimestamp(xevent->xbutton.time);
1141                 int button = 0;
1142                 if (xevent->xbutton.button == Button1)
1143                 {
1144                     eventType = wxEVT_LEFT_DOWN;
1145                     button = 1;
1146                 }
1147                 else if (xevent->xbutton.button == Button2)
1148                 {
1149                     eventType = wxEVT_MIDDLE_DOWN;
1150                     button = 2;
1151                 }
1152                 else if (xevent->xbutton.button == Button3)
1153                 {
1154                     eventType = wxEVT_RIGHT_DOWN;
1155                     button = 3;
1156                 }
1157
1158                 // check for a double click
1159                 // TODO: where can we get this value from?
1160                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1161                 long dclickTime = 200;
1162                 long ts = wxevent.GetTimestamp();
1163
1164                 int buttonLast = win->GetLastClickedButton();
1165                 long lastTS = win->GetLastClickTime();
1166                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1167                 {
1168                     // I have a dclick
1169                     win->SetLastClick(0, ts);
1170                     if ( eventType == wxEVT_LEFT_DOWN )
1171                         eventType = wxEVT_LEFT_DCLICK;
1172                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1173                         eventType = wxEVT_MIDDLE_DCLICK;
1174                     else if ( eventType == wxEVT_RIGHT_DOWN )
1175                         eventType = wxEVT_RIGHT_DCLICK;
1176                 }
1177                 else
1178                 {
1179                     // not fast enough or different button
1180                     win->SetLastClick(button, ts);
1181                 }
1182             }
1183             else if (xevent->xany.type == ButtonRelease)
1184             {
1185                 if (xevent->xbutton.button == Button1)
1186                 {
1187                     eventType = wxEVT_LEFT_UP;
1188                 }
1189                 else if (xevent->xbutton.button == Button2)
1190                 {
1191                     eventType = wxEVT_MIDDLE_UP;
1192                 }
1193                 else if (xevent->xbutton.button == Button3)
1194                 {
1195                     eventType = wxEVT_RIGHT_UP;
1196                 }
1197                 else return FALSE;
1198             }
1199             else
1200             {
1201                 return FALSE;
1202             }
1203
1204             wxevent.SetEventType(eventType);
1205
1206             wxevent.m_x = xevent->xbutton.x;
1207             wxevent.m_y = xevent->xbutton.y;
1208
1209             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1210                 || (event_left_is_down (xevent)
1211                 && (eventType != wxEVT_LEFT_UP)));
1212             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1213                 || (event_middle_is_down (xevent)
1214                 && (eventType != wxEVT_MIDDLE_UP)));
1215             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1216                 || (event_right_is_down (xevent)
1217                 && (eventType != wxEVT_RIGHT_UP)));
1218
1219             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1220             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1221             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1222             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1223
1224             wxevent.SetId(win->GetId());
1225             wxevent.SetEventObject(win);
1226
1227             return TRUE;
1228         }
1229     }
1230     return FALSE;
1231 }
1232
1233 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1234 {
1235     switch (xevent->xany.type)
1236     {
1237     case KeyPress:
1238     case KeyRelease:
1239         {
1240             char buf[20];
1241
1242             KeySym keySym;
1243             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1244             int id = wxCharCodeXToWX (keySym);
1245
1246             if (xevent->xkey.state & ShiftMask)
1247                 wxevent.m_shiftDown = TRUE;
1248             if (xevent->xkey.state & ControlMask)
1249                 wxevent.m_controlDown = TRUE;
1250             if (xevent->xkey.state & Mod3Mask)
1251                 wxevent.m_altDown = TRUE;
1252             if (xevent->xkey.state & Mod1Mask)
1253                 wxevent.m_metaDown = TRUE;
1254             wxevent.SetEventObject(win);
1255             wxevent.m_keyCode = id;
1256             wxevent.SetTimestamp(xevent->xkey.time);
1257
1258             wxevent.m_x = xevent->xbutton.x;
1259             wxevent.m_y = xevent->xbutton.y;
1260
1261             if (id > -1)
1262                 return TRUE;
1263             else
1264                 return FALSE;
1265             break;
1266         }
1267     default:
1268         break;
1269     }
1270     return FALSE;
1271 }
1272
1273 // ----------------------------------------------------------------------------
1274 // Colour stuff
1275 // ----------------------------------------------------------------------------
1276
1277 #if 0
1278
1279 #define YAllocColor XAllocColor
1280 XColor g_itemColors[5];
1281 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1282 {
1283     int result;
1284     static XmColorProc colorProc;
1285
1286     result = wxNO_COLORS;
1287
1288     if (back)
1289     {
1290         g_itemColors[0].red = (((long) back->Red ()) << 8);
1291         g_itemColors[0].green = (((long) back->Green ()) << 8);
1292         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1293         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1294         if (colorProc == (XmColorProc) NULL)
1295         {
1296             // Get a ptr to the actual function
1297             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1298             // And set it back to motif.
1299             XmSetColorCalculation (colorProc);
1300         }
1301         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1302             &g_itemColors[wxFORE_INDEX],
1303             &g_itemColors[wxSELE_INDEX],
1304             &g_itemColors[wxTOPS_INDEX],
1305             &g_itemColors[wxBOTS_INDEX]);
1306         result = wxBACK_COLORS;
1307     }
1308     if (fore)
1309     {
1310         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1311         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1312         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1313         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1314         if (result == wxNO_COLORS)
1315             result = wxFORE_COLORS;
1316     }
1317
1318     Display *dpy = display;
1319     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1320
1321     if (back)
1322     {
1323         /* 5 Colours to allocate */
1324         for (int i = 0; i < 5; i++)
1325             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1326                 result = wxNO_COLORS;
1327     }
1328     else if (fore)
1329     {
1330         /* Only 1 colour to allocate */
1331         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1332             result = wxNO_COLORS;
1333     }
1334
1335     return (result);
1336
1337 }
1338 #endif
1339
1340 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1341 {
1342     wxWindowBase::SetBackgroundColour(col);
1343
1344     if (!GetMainWindow())
1345         return FALSE;
1346
1347     Display *xdisplay = (Display*) wxGlobalDisplay();
1348     int xscreen = DefaultScreen( xdisplay );
1349     Colormap cm = DefaultColormap( xdisplay, xscreen );
1350
1351     wxColour colour( col );
1352     colour.CalcPixel( (WXColormap) cm );
1353
1354     XSetWindowAttributes attrib;
1355     attrib.background_pixel = colour.GetPixel();
1356
1357     XChangeWindowAttributes(wxGlobalDisplay(),
1358         (Window) GetMainWindow(),
1359         CWBackPixel,
1360         & attrib);
1361
1362     return TRUE;
1363 }
1364
1365 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1366 {
1367     if ( !wxWindowBase::SetForegroundColour(col) )
1368         return FALSE;
1369
1370     return TRUE;
1371 }
1372
1373 // ----------------------------------------------------------------------------
1374 // global functions
1375 // ----------------------------------------------------------------------------
1376
1377 wxWindow *wxGetActiveWindow()
1378 {
1379     // TODO
1380     wxFAIL_MSG("Not implemented");
1381     return NULL;
1382 }
1383
1384 /* static */
1385 wxWindow *wxWindowBase::GetCapture()
1386 {
1387     return (wxWindow *)g_captureWindow;
1388 }
1389
1390
1391 // Find the wxWindow at the current mouse position, returning the mouse
1392 // position.
1393 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1394 {
1395     return wxFindWindowAtPoint(wxGetMousePosition());
1396 }
1397
1398 // Get the current mouse position.
1399 wxPoint wxGetMousePosition()
1400 {
1401     Display *display = wxGlobalDisplay();
1402     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1403     Window rootReturn, childReturn;
1404     int rootX, rootY, winX, winY;
1405     unsigned int maskReturn;
1406
1407     XQueryPointer (display,
1408                    rootWindow,
1409                    &rootReturn,
1410                    &childReturn,
1411                    &rootX, &rootY, &winX, &winY, &maskReturn);
1412     return wxPoint(rootX, rootY);
1413 }
1414
1415
1416 // ----------------------------------------------------------------------------
1417 // wxNoOptimize: switch off size optimization
1418 // ----------------------------------------------------------------------------
1419
1420 int wxNoOptimize::ms_count = 0;
1421