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     Colormap cm = DefaultColormap( xdisplay, xscreen );
 129
 130     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 131     m_backgroundColour.CalcPixel( (WXColormap) cm );
 132     m_hasBgCol = TRUE;
 133
 134     m_foregroundColour = *wxBLACK;
 135     m_foregroundColour.CalcPixel( (WXColormap) cm );
 136
 137
 138     Window parentWindow = (Window) parent->GetMainWindow();
 139
 140     wxSize size2(size);
 141     if (size2.x == -1)
 142         size2.x = 100;
 143     if (size2.y == -1)
 144         size2.y = 100;
 145
 146     wxPoint pos2(pos);
 147     if (pos2.x == -1)
 148         pos2.x = 100;
 149     if (pos2.y == -1)
 150         pos2.y = 100;
 151
 152     Window window = XCreateSimpleWindow(
 153         xdisplay, parentWindow,
 154         pos2.x, pos2.y, size2.x, size2.y, 0,
 155         m_backgroundColour.GetPixel(),
 156         m_backgroundColour.GetPixel() );
 157
 158     m_mainWidget = (WXWindow) window;
 159
 160     // Select event types wanted
 161     XSelectInput( wxGlobalDisplay(), window,
 162         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 163         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 164         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 165         PropertyChangeMask);
 166
 167     wxAddWindowToTable(window, (wxWindow*) this);
 168
 169     // Is a subwindow, so map immediately
 170     m_isShown = TRUE;
 171     XMapWindow(wxGlobalDisplay(), window);
 172
 173     // Without this, the cursor may not be restored properly (e.g. in splitter
 174     // sample).
 175     SetCursor(*wxSTANDARD_CURSOR);
 176     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 177
 178     // Don't call this, it can have nasty repercussions for composite controls,
 179     // for example
 180     //    SetSize(pos.x, pos.y, size.x, size.y);
 181
 182     return TRUE;
 183 }
 184
 185 // Destructor
 186 wxWindowX11::~wxWindowX11()
 187 {
 188     if (g_captureWindow == this)
 189         g_captureWindow = NULL;
 190
 191     m_isBeingDeleted = TRUE;
 192
 193     // X11-specific actions first
 194     Window main = (Window) m_mainWidget;
 195     if ( main )
 196     {
 197         // Removes event handlers
 198         //DetachWidget(main);
 199     }
 200
 201     if (m_parent)
 202         m_parent->RemoveChild( this );
 203
 204     DestroyChildren();
 205
 206     // Destroy the window
 207     if (main)
 208     {
 209         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 210         wxDeleteWindowFromTable( main );
 211         XDestroyWindow( wxGlobalDisplay(), main );
 212         m_mainWidget = NULL;
 213     }
 214 }
 215
 216 // ---------------------------------------------------------------------------
 217 // basic operations
 218 // ---------------------------------------------------------------------------
 219
 220 void wxWindowX11::SetFocus()
 221 {
 222     Window xwindow = (Window) GetMainWindow();
 223
 224     wxCHECK_RET( xwindow, wxT("invalid window") );
 225
 226     if (wxWindowIsVisible(xwindow))
 227     {
 228         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 229         m_needsInputFocus = FALSE;
 230     }
 231     else
 232     {
 233         m_needsInputFocus = TRUE;
 234     }
 235 }
 236
 237 // Get the window with the focus
 238 wxWindow *wxWindowBase::FindFocus()
 239 {
 240     Window xfocus = (Window) 0;
 241     int revert = 0;
 242
 243     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 244     if (xfocus)
 245     {
 246         wxWindow *win = wxGetWindowFromTable( xfocus );
 247
 248         return win;
 249     }
 250
 251     return NULL;
 252 }
 253
 254 // Enabling/disabling handled by event loop, and not sending events
 255 // if disabled.
 256 bool wxWindowX11::Enable(bool enable)
 257 {
 258     if ( !wxWindowBase::Enable(enable) )
 259         return FALSE;
 260
 261     return TRUE;
 262 }
 263
 264 bool wxWindowX11::Show(bool show)
 265 {
 266     wxWindowBase::Show(show);
 267
 268     Window xwin = (Window) GetXWindow();
 269     Display *xdisp = (Display*) GetXDisplay();
 270     if (show)
 271     {
 272         wxString msg;
 273         msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
 274         wxLogDebug(msg);
 275         XMapWindow(xdisp, xwin);
 276         XSync(xdisp, False);
 277     }
 278     else
 279     {
 280         wxString msg;
 281         msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
 282         wxLogDebug(msg);
 283         XUnmapWindow(xdisp, xwin);
 284     }
 285
 286     return TRUE;
 287 }
 288
 289 // Raise the window to the top of the Z order
 290 void wxWindowX11::Raise()
 291 {
 292     if (m_mainWidget)
 293         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 294 }
 295
 296 // Lower the window to the bottom of the Z order
 297 void wxWindowX11::Lower()
 298 {
 299     if (m_mainWidget)
 300         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 301 }
 302
 303 void wxWindowX11::DoCaptureMouse()
 304 {
 305     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 306     {
 307         wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
 308
 309         // Core dump now
 310         int *tmp = NULL;
 311         (*tmp) = 1;
 312         return;
 313     }
 314
 315     if (m_winCaptured)
 316         return;
 317
 318     Window xwindow = (Window) GetMainWindow();
 319
 320     wxCHECK_RET( xwindow, wxT("invalid window") );
 321
 322     g_captureWindow = (wxWindow*) this;
 323
 324     if (xwindow)
 325     {
 326         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 327             FALSE,
 328             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 329             GrabModeAsync,
 330                 GrabModeAsync,
 331             None,
 332             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 333             CurrentTime );
 334
 335         if (res != GrabSuccess)
 336         {
 337             wxString msg;
 338             msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
 339             wxLogDebug(msg);
 340             if (res == GrabNotViewable)
 341             {
 342                 wxLogDebug("This is not a viewable window - perhaps not shown yet?");
 343             }
 344             g_captureWindow = NULL;
 345             return;
 346         }
 347
 348         wxLogDebug("Grabbed pointer");
 349
 350 #if 0
 351         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 352             (Window) GetMainWindow(),
 353             FALSE,
 354             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 355                 GrabModeAsync,
 356                 GrabModeAsync,
 357             None,
 358             None);
 359
 360         if (res != GrabSuccess)
 361         {
 362             wxLogDebug("Failed to grab mouse buttons.");
 363             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 364             return;
 365         }
 366 #endif
 367
 368 #if 0
 369         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 370             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 371             FALSE,
 372             GrabModeAsync,
 373                 GrabModeAsync,
 374             CurrentTime);
 375
 376         if (res != GrabSuccess)
 377         {
 378             wxLogDebug("Failed to grab keyboard.");
 379             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 380             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 381                 (Window) GetMainWindow());
 382             return;
 383         }
 384 #endif
 385
 386         m_winCaptured = TRUE;
 387     }
 388 }
 389
 390 void wxWindowX11::DoReleaseMouse()
 391 {
 392     g_captureWindow = NULL;
 393
 394     if ( !m_winCaptured )
 395         return;
 396
 397     Window xwindow = (Window) GetMainWindow();
 398
 399     if (xwindow)
 400     {
 401         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 402 #if 0
 403         XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
 404         XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
 405 #endif
 406     }
 407     wxLogDebug("Ungrabbed pointer");
 408
 409     m_winCaptured = FALSE;
 410 }
 411
 412 bool wxWindowX11::SetFont(const wxFont& font)
 413 {
 414     if ( !wxWindowBase::SetFont(font) )
 415     {
 416         // nothing to do
 417         return FALSE;
 418     }
 419
 420     return TRUE;
 421 }
 422
 423 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 424 {
 425     if ( !wxWindowBase::SetCursor(cursor) )
 426     {
 427         // no change
 428         return FALSE;
 429     }
 430
 431     Window xwindow = (Window) GetMainWindow();
 432
 433     wxCHECK_MSG( xwindow, FALSE, wxT("invalid window") );
 434
 435     wxCursor cursorToUse;
 436     if (m_cursor.Ok())
 437         cursorToUse = m_cursor;
 438     else
 439         cursorToUse = *wxSTANDARD_CURSOR;
 440
 441     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 442
 443     XDefineCursor( (Display*) wxGlobalDisplay(), xwindow, xcursor );
 444
 445     return TRUE;
 446 }
 447
 448 // Coordinates relative to the window
 449 void wxWindowX11::WarpPointer (int x, int y)
 450 {
 451     Window xwindow = (Window) GetMainWindow();
 452
 453     wxCHECK_RET( xwindow, wxT("invalid window") );
 454
 455     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 456 }
 457
 458 // Does a physical scroll
 459 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 460 {
 461 #if 0
 462     int x, y, w, h;
 463     if (rect)
 464     {
 465         // Use specified rectangle
 466         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 467     }
 468     else
 469     {
 470         // Use whole client area
 471         x = 0; y = 0;
 472         GetClientSize(& w, & h);
 473     }
 474
 475     wxNode *cnode = m_children.First();
 476     while (cnode)
 477     {
 478         wxWindow *child = (wxWindow*) cnode->Data();
 479         int sx = 0;
 480         int sy = 0;
 481         child->GetSize( &sx, &sy );
 482         wxPoint pos( child->GetPosition() );
 483         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 484         cnode = cnode->Next();
 485     }
 486
 487     int x1 = (dx >= 0) ? x : x - dx;
 488     int y1 = (dy >= 0) ? y : y - dy;
 489     int w1 = w - abs(dx);
 490     int h1 = h - abs(dy);
 491     int x2 = (dx >= 0) ? x + dx : x;
 492     int y2 = (dy >= 0) ? y + dy : y;
 493
 494     wxClientDC dc((wxWindow*) this);
 495
 496     dc.SetLogicalFunction (wxCOPY);
 497
 498     Window window = (Window) GetMainWindow();
 499     Display* display = wxGlobalDisplay();
 500
 501     XCopyArea(display, window, window, (GC) dc.GetGC(),
 502         x1, y1, w1, h1, x2, y2);
 503
 504     dc.SetAutoSetting(TRUE);
 505     wxBrush brush(GetBackgroundColour(), wxSOLID);
 506     dc.SetBrush(brush); // FIXME: needed?
 507
 508     // We'll add rectangles to the list of update rectangles according to which
 509     // bits we've exposed.
 510     wxList updateRects;
 511
 512     if (dx > 0)
 513     {
 514         wxRect *rect = new wxRect;
 515         rect->x = x;
 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, rect->height);
 522
 523         rect->x = rect->x;
 524         rect->y = rect->y;
 525         rect->width = rect->width;
 526         rect->height = rect->height;
 527
 528         updateRects.Append((wxObject*) rect);
 529     }
 530     else if (dx < 0)
 531     {
 532         wxRect *rect = new wxRect;
 533
 534         rect->x = x + w + dx;
 535         rect->y = y;
 536         rect->width = -dx;
 537         rect->height = h;
 538
 539         XFillRectangle(display, window,
 540             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 541             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     if (dy > 0)
 551     {
 552         wxRect *rect = new wxRect;
 553
 554         rect->x = x;
 555         rect->y = y;
 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     else if (dy < 0)
 570     {
 571         wxRect *rect = new wxRect;
 572
 573         rect->x = x;
 574         rect->y = y + h + dy;
 575         rect->width = w;
 576         rect->height = -dy;
 577
 578         XFillRectangle(display, window,
 579             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 580
 581         rect->x = rect->x;
 582         rect->y = rect->y;
 583         rect->width = rect->width;
 584         rect->height = rect->height;
 585
 586         updateRects.Append((wxObject*) rect);
 587     }
 588     dc.SetBrush(wxNullBrush);
 589
 590     // Now send expose events
 591
 592     wxNode* node = updateRects.First();
 593     while (node)
 594     {
 595         wxRect* rect = (wxRect*) node->Data();
 596         XExposeEvent event;
 597
 598         event.type = Expose;
 599         event.display = display;
 600         event.send_event = True;
 601         event.window = window;
 602
 603         event.x = rect->x;
 604         event.y = rect->y;
 605         event.width = rect->width;
 606         event.height = rect->height;
 607
 608         event.count = 0;
 609
 610         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 611
 612         node = node->Next();
 613
 614     }
 615
 616     // Delete the update rects
 617     node = updateRects.First();
 618     while (node)
 619     {
 620         wxRect* rect = (wxRect*) node->Data();
 621         delete rect;
 622         node = node->Next();
 623     }
 624 #endif
 625 }
 626
 627 // ---------------------------------------------------------------------------
 628 // drag and drop
 629 // ---------------------------------------------------------------------------
 630
 631 #if wxUSE_DRAG_AND_DROP
 632
 633 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 634 {
 635     // TODO
 636 }
 637
 638 #endif
 639
 640 // Old style file-manager drag&drop
 641 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 642 {
 643     // TODO
 644 }
 645
 646 // ----------------------------------------------------------------------------
 647 // tooltips
 648 // ----------------------------------------------------------------------------
 649
 650 #if wxUSE_TOOLTIPS
 651
 652 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 653 {
 654     // TODO
 655 }
 656
 657 #endif // wxUSE_TOOLTIPS
 658
 659 // ---------------------------------------------------------------------------
 660 // moving and resizing
 661 // ---------------------------------------------------------------------------
 662
 663 bool wxWindowX11::PreResize()
 664 {
 665     return TRUE;
 666 }
 667
 668 // Get total size
 669 void wxWindowX11::DoGetSize(int *x, int *y) const
 670 {
 671     Window xwindow = (Window) GetMainWindow();
 672
 673     wxCHECK_RET( xwindow, wxT("invalid window") );
 674
 675     XSync(wxGlobalDisplay(), False);
 676     XWindowAttributes attr;
 677     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 678     wxASSERT(status);
 679
 680     if (status)
 681     {
 682         *x = attr.width /* + 2*m_borderSize */ ;
 683         *y = attr.height /* + 2*m_borderSize */ ;
 684     }
 685 }
 686
 687 void wxWindowX11::DoGetPosition(int *x, int *y) const
 688 {
 689     Window window = (Window) m_mainWidget;
 690     if (window)
 691     {
 692         XSync(wxGlobalDisplay(), False);
 693         XWindowAttributes attr;
 694         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 695         wxASSERT(status);
 696
 697         if (status)
 698         {
 699             *x = attr.x;
 700             *y = attr.y;
 701
 702             // We may be faking the client origin. So a window that's really at (0, 30)
 703             // may appear (to wxWin apps) to be at (0, 0).
 704             if (GetParent())
 705             {
 706                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 707                 *x -= pt.x;
 708                 *y -= pt.y;
 709             }
 710         }
 711     }
 712 }
 713
 714 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 715 {
 716     Display *display = wxGlobalDisplay();
 717     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 718     Window thisWindow = (Window) m_mainWidget;
 719
 720     Window childWindow;
 721     int xx = *x;
 722     int yy = *y;
 723     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 724 }
 725
 726 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 727 {
 728     Display *display = wxGlobalDisplay();
 729     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 730     Window thisWindow = (Window) m_mainWidget;
 731
 732     Window childWindow;
 733     int xx = *x;
 734     int yy = *y;
 735     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 736 }
 737
 738
 739 // Get size *available for subwindows* i.e. excluding menu bar etc.
 740 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 741 {
 742     Window window = (Window) m_mainWidget;
 743
 744     if (window)
 745     {
 746         XSync(wxGlobalDisplay(), False);
 747         XWindowAttributes attr;
 748         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 749         wxASSERT(status);
 750
 751         if (status)
 752         {
 753             *x = attr.width ;
 754             *y = attr.height ;
 755         }
 756     }
 757 }
 758
 759 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 760 {
 761     if (!GetMainWindow())
 762         return;
 763
 764     XWindowChanges windowChanges;
 765     windowChanges.x = 0;
 766     windowChanges.y = 0;
 767     windowChanges.width = 0;
 768     windowChanges.height = 0;
 769     windowChanges.stack_mode = 0;
 770     int valueMask = 0;
 771
 772     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 773     {
 774         int yy = 0;
 775         AdjustForParentClientOrigin( x, yy, sizeFlags);
 776         windowChanges.x = x;
 777         valueMask |= CWX;
 778     }
 779     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 780     {
 781         int xx = 0;
 782         AdjustForParentClientOrigin( xx, y, sizeFlags);
 783         windowChanges.y = y;
 784         valueMask |= CWY;
 785     }
 786     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 787     {
 788         windowChanges.width = width /* - m_borderSize*2 */;
 789         if (windowChanges.width == 0)
 790             windowChanges.width = 1;
 791         valueMask |= CWWidth;
 792     }
 793     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 794     {
 795         windowChanges.height = height /* -m_borderSize*2*/;
 796         if (windowChanges.height == 0)
 797             windowChanges.height = 1;
 798         valueMask |= CWHeight;
 799     }
 800
 801     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 802         valueMask, & windowChanges);
 803     XSync(wxGlobalDisplay(), False);
 804 }
 805
 806 void wxWindowX11::DoSetClientSize(int width, int height)
 807 {
 808     if (!GetMainWindow())
 809         return;
 810
 811     XWindowChanges windowChanges;
 812     int valueMask = 0;
 813
 814     if (width != -1)
 815     {
 816         windowChanges.width = width ;
 817         valueMask |= CWWidth;
 818     }
 819     if (height != -1)
 820     {
 821         windowChanges.height = height ;
 822         valueMask |= CWHeight;
 823     }
 824     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 825         valueMask, & windowChanges);
 826     XSync(wxGlobalDisplay(), False);
 827 }
 828
 829 // For implementation purposes - sometimes decorations make the client area
 830 // smaller
 831 wxPoint wxWindowX11::GetClientAreaOrigin() const
 832 {
 833     return wxPoint(0, 0);
 834 }
 835
 836 // Makes an adjustment to the window position (for example, a frame that has
 837 // a toolbar that it manages itself).
 838 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 839 {
 840     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 841     {
 842         wxPoint pt(GetParent()->GetClientAreaOrigin());
 843         x += pt.x; y += pt.y;
 844     }
 845 }
 846
 847 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 848 {
 849     m_minWidth = minW;
 850     m_minHeight = minH;
 851     m_maxWidth = maxW;
 852     m_maxHeight = maxH;
 853
 854     XSizeHints sizeHints;
 855     sizeHints.flags = 0;
 856
 857     if (minW > -1 && minH > -1)
 858     {
 859         sizeHints.flags |= PMinSize;
 860         sizeHints.min_width = minW;
 861         sizeHints.min_height = minH;
 862     }
 863     if (maxW > -1 && maxH > -1)
 864     {
 865         sizeHints.flags |= PMaxSize;
 866         sizeHints.max_width = maxW;
 867         sizeHints.max_height = maxH;
 868     }
 869     if (incW > -1 && incH > -1)
 870     {
 871         sizeHints.flags |= PResizeInc;
 872         sizeHints.width_inc = incW;
 873         sizeHints.height_inc = incH;
 874     }
 875
 876     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 877 }
 878
 879 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 880 {
 881     DoSetSize(x, y, width, height);
 882 }
 883
 884 // ---------------------------------------------------------------------------
 885 // text metrics
 886 // ---------------------------------------------------------------------------
 887
 888 int wxWindowX11::GetCharHeight() const
 889 {
 890     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 891
 892     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 893
 894     int direction, ascent, descent;
 895     XCharStruct overall;
 896     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 897         &descent, &overall);
 898
 899     //  return (overall.ascent + overall.descent);
 900     return (ascent + descent);
 901 }
 902
 903 int wxWindowX11::GetCharWidth() const
 904 {
 905     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 906
 907     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 908
 909     int direction, ascent, descent;
 910     XCharStruct overall;
 911     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 912         &descent, &overall);
 913
 914     return overall.width;
 915 }
 916
 917 void wxWindowX11::GetTextExtent(const wxString& string,
 918                              int *x, int *y,
 919                              int *descent, int *externalLeading,
 920                              const wxFont *theFont) const
 921 {
 922     wxFont fontToUse = m_font;
 923     if (theFont) fontToUse = *theFont;
 924
 925     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 926
 927     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
 928
 929     int direction, ascent, descent2;
 930     XCharStruct overall;
 931     int slen = string.Len();
 932
 933 #if 0
 934     if (use16)
 935         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 936         &ascent, &descent2, &overall);
 937 #endif
 938
 939     XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
 940                  &direction, &ascent, &descent2, &overall);
 941
 942     if ( x )
 943         *x = (overall.width);
 944     if ( y )
 945         *y = (ascent + descent2);
 946     if (descent)
 947         *descent = descent2;
 948     if (externalLeading)
 949         *externalLeading = 0;
 950
 951 }
 952
 953 // ----------------------------------------------------------------------------
 954 // painting
 955 // ----------------------------------------------------------------------------
 956
 957 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 958 {
 959     if (eraseBack)
 960     {
 961         if (rect)
 962         {
 963             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 964             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 965         }
 966         else
 967         {
 968             int height,width;
 969             GetSize( &width, &height );
 970
 971             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 972             m_clearRegion.Clear();
 973             m_clearRegion.Union( 0, 0, width, height );
 974         }
 975     }
 976
 977     if (rect)
 978     {
 979          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 980          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 981     }
 982     else
 983     {
 984         int height,width;
 985         GetSize( &width, &height );
 986
 987         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 988         m_updateRegion.Clear();
 989         m_updateRegion.Union( 0, 0, width, height );
 990     }
 991 }
 992
 993 void wxWindowX11::Update()
 994 {
 995     if (!m_updateRegion.IsEmpty())
 996     {
 997         X11SendPaintEvents();
 998     }
 999 }
1000
1001 void wxWindowX11::Clear()
1002 {
1003     wxClientDC dc((wxWindow*) this);
1004     wxBrush brush(GetBackgroundColour(), wxSOLID);
1005     dc.SetBackground(brush);
1006     dc.Clear();
1007 }
1008
1009 void wxWindowX11::X11SendPaintEvents()
1010 {
1011     m_clipPaintRegion = TRUE;
1012
1013     //    if (!m_clearRegion.IsEmpty())
1014     {
1015         wxWindowDC dc( (wxWindow*)this );
1016         dc.SetClippingRegion( m_clearRegion );
1017
1018         wxEraseEvent erase_event( GetId(), &dc );
1019         erase_event.SetEventObject( this );
1020
1021         if (!GetEventHandler()->ProcessEvent(erase_event))
1022         {
1023             wxRegionIterator upd( m_clearRegion );
1024             while (upd)
1025             {
1026                 XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
1027                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
1028                 upd ++;
1029             }
1030         }
1031         m_clearRegion.Clear();
1032     }
1033
1034     wxNcPaintEvent nc_paint_event( GetId() );
1035     nc_paint_event.SetEventObject( this );
1036     GetEventHandler()->ProcessEvent( nc_paint_event );
1037
1038     wxPaintEvent paint_event( GetId() );
1039     paint_event.SetEventObject( this );
1040     GetEventHandler()->ProcessEvent( paint_event );
1041
1042     m_updateRegion.Clear();
1043
1044     m_clipPaintRegion = FALSE;
1045 }
1046
1047 // ----------------------------------------------------------------------------
1048 // event handlers
1049 // ----------------------------------------------------------------------------
1050
1051 // Responds to colour changes: passes event on to children.
1052 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1053 {
1054     wxWindowList::Node *node = GetChildren().GetFirst();
1055     while ( node )
1056     {
1057         // Only propagate to non-top-level windows
1058         wxWindow *win = node->GetData();
1059         if ( win->GetParent() )
1060         {
1061             wxSysColourChangedEvent event2;
1062             event.m_eventObject = win;
1063             win->GetEventHandler()->ProcessEvent(event2);
1064         }
1065
1066         node = node->GetNext();
1067     }
1068 }
1069
1070 void wxWindowX11::OnInternalIdle()
1071 {
1072     // Update invalidated regions.
1073     Update();
1074
1075     // This calls the UI-update mechanism (querying windows for
1076     // menu/toolbar/control state information)
1077     UpdateWindowUI();
1078
1079     // Set the input focus if couldn't do it before
1080     if (m_needsInputFocus)
1081         SetFocus();
1082 }
1083
1084 // ----------------------------------------------------------------------------
1085 // function which maintain the global hash table mapping Widgets to wxWindows
1086 // ----------------------------------------------------------------------------
1087
1088 bool wxAddWindowToTable(Window w, wxWindow *win)
1089 {
1090     wxWindow *oldItem = NULL;
1091     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1092     {
1093         wxLogDebug("Widget table clash: new widget is %ld, %s",
1094                    (long)w, win->GetClassInfo()->GetClassName());
1095         return FALSE;
1096     }
1097
1098     wxWidgetHashTable->Put((long) w, win);
1099
1100     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1101                w, win, win->GetClassInfo()->GetClassName());
1102
1103     return TRUE;
1104 }
1105
1106 wxWindow *wxGetWindowFromTable(Window w)
1107 {
1108     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1109 }
1110
1111 void wxDeleteWindowFromTable(Window w)
1112 {
1113     wxWidgetHashTable->Delete((long)w);
1114 }
1115
1116 // ----------------------------------------------------------------------------
1117 // add/remove window from the table
1118 // ----------------------------------------------------------------------------
1119
1120 // ----------------------------------------------------------------------------
1121 // X11-specific accessors
1122 // ----------------------------------------------------------------------------
1123
1124 // Get the underlying X window
1125 WXWindow wxWindowX11::GetXWindow() const
1126 {
1127     return GetMainWindow();
1128 }
1129
1130 // Get the underlying X display
1131 WXDisplay *wxWindowX11::GetXDisplay() const
1132 {
1133     return wxGetDisplay();
1134 }
1135
1136 WXWindow wxWindowX11::GetMainWindow() const
1137 {
1138     return m_mainWidget;
1139 }
1140
1141 // ----------------------------------------------------------------------------
1142 // TranslateXXXEvent() functions
1143 // ----------------------------------------------------------------------------
1144
1145 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1146 {
1147     switch (xevent->xany.type)
1148     {
1149         case EnterNotify:
1150         case LeaveNotify:
1151         case ButtonPress:
1152         case ButtonRelease:
1153         case MotionNotify:
1154         {
1155             wxEventType eventType = wxEVT_NULL;
1156
1157             if (xevent->xany.type == EnterNotify)
1158             {
1159                 //if (local_event.xcrossing.mode!=NotifyNormal)
1160                 //  return ; // Ignore grab events
1161                 eventType = wxEVT_ENTER_WINDOW;
1162                 //            canvas->GetEventHandler()->OnSetFocus();
1163             }
1164             else if (xevent->xany.type == LeaveNotify)
1165             {
1166                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1167                 //  return ; // Ignore grab events
1168                 eventType = wxEVT_LEAVE_WINDOW;
1169                 //            canvas->GetEventHandler()->OnKillFocus();
1170             }
1171             else if (xevent->xany.type == MotionNotify)
1172             {
1173                 eventType = wxEVT_MOTION;
1174             }
1175             else if (xevent->xany.type == ButtonPress)
1176             {
1177                 wxevent.SetTimestamp(xevent->xbutton.time);
1178                 int button = 0;
1179                 if (xevent->xbutton.button == Button1)
1180                 {
1181                     eventType = wxEVT_LEFT_DOWN;
1182                     button = 1;
1183                 }
1184                 else if (xevent->xbutton.button == Button2)
1185                 {
1186                     eventType = wxEVT_MIDDLE_DOWN;
1187                     button = 2;
1188                 }
1189                 else if (xevent->xbutton.button == Button3)
1190                 {
1191                     eventType = wxEVT_RIGHT_DOWN;
1192                     button = 3;
1193                 }
1194
1195                 // check for a double click
1196                 // TODO: where can we get this value from?
1197                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1198                 long dclickTime = 200;
1199                 long ts = wxevent.GetTimestamp();
1200
1201                 int buttonLast = win->GetLastClickedButton();
1202                 long lastTS = win->GetLastClickTime();
1203                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1204                 {
1205                     // I have a dclick
1206                     win->SetLastClick(0, ts);
1207                     if ( eventType == wxEVT_LEFT_DOWN )
1208                         eventType = wxEVT_LEFT_DCLICK;
1209                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1210                         eventType = wxEVT_MIDDLE_DCLICK;
1211                     else if ( eventType == wxEVT_RIGHT_DOWN )
1212                         eventType = wxEVT_RIGHT_DCLICK;
1213                 }
1214                 else
1215                 {
1216                     // not fast enough or different button
1217                     win->SetLastClick(button, ts);
1218                 }
1219             }
1220             else if (xevent->xany.type == ButtonRelease)
1221             {
1222                 if (xevent->xbutton.button == Button1)
1223                 {
1224                     eventType = wxEVT_LEFT_UP;
1225                 }
1226                 else if (xevent->xbutton.button == Button2)
1227                 {
1228                     eventType = wxEVT_MIDDLE_UP;
1229                 }
1230                 else if (xevent->xbutton.button == Button3)
1231                 {
1232                     eventType = wxEVT_RIGHT_UP;
1233                 }
1234                 else return FALSE;
1235             }
1236             else
1237             {
1238                 return FALSE;
1239             }
1240
1241             wxevent.SetEventType(eventType);
1242
1243             wxevent.m_x = xevent->xbutton.x;
1244             wxevent.m_y = xevent->xbutton.y;
1245
1246             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1247                 || (event_left_is_down (xevent)
1248                 && (eventType != wxEVT_LEFT_UP)));
1249             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1250                 || (event_middle_is_down (xevent)
1251                 && (eventType != wxEVT_MIDDLE_UP)));
1252             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1253                 || (event_right_is_down (xevent)
1254                 && (eventType != wxEVT_RIGHT_UP)));
1255
1256             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1257             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1258             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1259             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1260
1261             wxevent.SetId(win->GetId());
1262             wxevent.SetEventObject(win);
1263
1264             return TRUE;
1265         }
1266     }
1267     return FALSE;
1268 }
1269
1270 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1271 {
1272     switch (xevent->xany.type)
1273     {
1274     case KeyPress:
1275     case KeyRelease:
1276         {
1277             char buf[20];
1278
1279             KeySym keySym;
1280             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1281             int id = wxCharCodeXToWX (keySym);
1282
1283             if (xevent->xkey.state & ShiftMask)
1284                 wxevent.m_shiftDown = TRUE;
1285             if (xevent->xkey.state & ControlMask)
1286                 wxevent.m_controlDown = TRUE;
1287             if (xevent->xkey.state & Mod3Mask)
1288                 wxevent.m_altDown = TRUE;
1289             if (xevent->xkey.state & Mod1Mask)
1290                 wxevent.m_metaDown = TRUE;
1291             wxevent.SetEventObject(win);
1292             wxevent.m_keyCode = id;
1293             wxevent.SetTimestamp(xevent->xkey.time);
1294
1295             wxevent.m_x = xevent->xbutton.x;
1296             wxevent.m_y = xevent->xbutton.y;
1297
1298             if (id > -1)
1299                 return TRUE;
1300             else
1301                 return FALSE;
1302             break;
1303         }
1304     default:
1305         break;
1306     }
1307     return FALSE;
1308 }
1309
1310 // ----------------------------------------------------------------------------
1311 // Colour stuff
1312 // ----------------------------------------------------------------------------
1313
1314 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1315 {
1316     wxWindowBase::SetBackgroundColour(col);
1317
1318     if (!GetMainWindow())
1319         return FALSE;
1320
1321     Display *xdisplay = (Display*) wxGlobalDisplay();
1322     int xscreen = DefaultScreen( xdisplay );
1323     Colormap cm = DefaultColormap( xdisplay, xscreen );
1324
1325     wxColour colour( col );
1326     colour.CalcPixel( (WXColormap) cm );
1327
1328     XSetWindowAttributes attrib;
1329     attrib.background_pixel = colour.GetPixel();
1330
1331     XChangeWindowAttributes(wxGlobalDisplay(),
1332         (Window) GetMainWindow(),
1333         CWBackPixel,
1334         & attrib);
1335
1336     return TRUE;
1337 }
1338
1339 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1340 {
1341     if ( !wxWindowBase::SetForegroundColour(col) )
1342         return FALSE;
1343
1344     return TRUE;
1345 }
1346
1347 // ----------------------------------------------------------------------------
1348 // global functions
1349 // ----------------------------------------------------------------------------
1350
1351 wxWindow *wxGetActiveWindow()
1352 {
1353     // TODO
1354     wxFAIL_MSG("Not implemented");
1355     return NULL;
1356 }
1357
1358 /* static */
1359 wxWindow *wxWindowBase::GetCapture()
1360 {
1361     return (wxWindow *)g_captureWindow;
1362 }
1363
1364
1365 // Find the wxWindow at the current mouse position, returning the mouse
1366 // position.
1367 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1368 {
1369     return wxFindWindowAtPoint(wxGetMousePosition());
1370 }
1371
1372 // Get the current mouse position.
1373 wxPoint wxGetMousePosition()
1374 {
1375     Display *display = wxGlobalDisplay();
1376     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1377     Window rootReturn, childReturn;
1378     int rootX, rootY, winX, winY;
1379     unsigned int maskReturn;
1380
1381     XQueryPointer (display,
1382                    rootWindow,
1383                    &rootReturn,
1384                    &childReturn,
1385                    &rootX, &rootY, &winX, &winY, &maskReturn);
1386     return wxPoint(rootX, rootY);
1387 }
1388
1389
1390 // ----------------------------------------------------------------------------
1391 // wxNoOptimize: switch off size optimization
1392 // ----------------------------------------------------------------------------
1393
1394 int wxNoOptimize::ms_count = 0;
1395