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 // constants
  54 // ----------------------------------------------------------------------------
  55
  56 static const int SCROLL_MARGIN = 4;
  57
  58 // ----------------------------------------------------------------------------
  59 // global variables for this module
  60 // ----------------------------------------------------------------------------
  61
  62 extern wxHashTable *wxWidgetHashTable;
  63 static wxWindow* g_captureWindow = NULL;
  64
  65 // ----------------------------------------------------------------------------
  66 // macros
  67 // ----------------------------------------------------------------------------
  68
  69 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  70 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  71 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  72
  73 // ----------------------------------------------------------------------------
  74 // event tables
  75 // ----------------------------------------------------------------------------
  76
  77 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  78
  79 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  80     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  81     EVT_IDLE(wxWindowX11::OnIdle)
  82 END_EVENT_TABLE()
  83
  84 // ============================================================================
  85 // implementation
  86 // ============================================================================
  87
  88 // ----------------------------------------------------------------------------
  89 // helper functions
  90 // ----------------------------------------------------------------------------
  91
  92 // ----------------------------------------------------------------------------
  93 // constructors
  94 // ----------------------------------------------------------------------------
  95
  96 void wxWindowX11::Init()
  97 {
  98     // generic initializations first
  99     InitBase();
 100
 101     // X11-specific
 102     m_mainWidget = (WXWindow) 0;
 103
 104     m_winCaptured = FALSE;
 105
 106     m_isShown = TRUE;
 107     m_isBeingDeleted = FALSE;
 108
 109     m_lastTS = 0;
 110     m_lastButton = 0;
 111 }
 112
 113 // real construction (Init() must have been called before!)
 114 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 115                       const wxPoint& pos,
 116                       const wxSize& size,
 117                       long style,
 118                       const wxString& name)
 119 {
 120     wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
 121
 122     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 123
 124     if (parent)
 125         parent->AddChild(this);
 126
 127     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 128     m_foregroundColour = *wxBLACK;
 129
 130     int w = size.GetWidth();
 131     int h = size.GetHeight();
 132     int x = size.GetX();
 133     int y = size.GetY();
 134     if (w == -1) w = 20;
 135     if (h == -1) h = 20;
 136     if (x == -1) x = 0;
 137     if (y == -1) y = 0;
 138
 139     int screen = DefaultScreen(wxGlobalDisplay());
 140
 141     Window parentWindow;
 142     if (parent)
 143         parentWindow = (Window) parent->GetMainWindow();
 144     else
 145         parentWindow = RootWindow(wxGlobalDisplay(), screen);
 146
 147     Window window = XCreateSimpleWindow(wxGlobalDisplay(), parentWindow,
 148         x, y, w, h, 0,
 149         m_backgroundColour.AllocColour(wxGlobalDisplay()),
 150         m_foregroundColour.AllocColour(wxGlobalDisplay()));
 151
 152     // Select event types wanted
 153     XSelectInput(wxGlobalDisplay(), window,
 154         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 155         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 156         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 157         PropertyChangeMask);
 158
 159     wxAddWindowToTable(window, (wxWindow*) this);
 160
 161     // Is a subwindow, so map immediately
 162     m_isShown = TRUE;
 163     XMapWindow(wxGlobalDisplay(), window);
 164
 165     // Without this, the cursor may not be restored properly (e.g. in splitter
 166     // sample).
 167     SetCursor(*wxSTANDARD_CURSOR);
 168     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 169     SetSize(pos.x, pos.y, size.x, size.y);
 170
 171     return TRUE;
 172 }
 173
 174 // Destructor
 175 wxWindowX11::~wxWindowX11()
 176 {
 177     if (g_captureWindow == this)
 178         g_captureWindow = NULL;
 179
 180     m_isBeingDeleted = TRUE;
 181
 182     // X11-specific actions first
 183     Window main = (Window) m_mainWidget;
 184     if ( main )
 185     {
 186         // Removes event handlers
 187         //DetachWidget(main);
 188     }
 189
 190     if (m_parent)
 191         m_parent->RemoveChild( this );
 192
 193     DestroyChildren();
 194
 195     // Destroy the window
 196     if (main)
 197     {
 198         XSelectInput( wxGlobalDisplay(), main, NoEventMask);
 199         wxDeleteWindowFromTable( main );
 200         XDestroyWindow( wxGlobalDisplay(), main );
 201         m_mainWidget = NULL;
 202     }
 203 }
 204
 205 // ---------------------------------------------------------------------------
 206 // basic operations
 207 // ---------------------------------------------------------------------------
 208
 209 void wxWindowX11::SetFocus()
 210 {
 211     Window wMain = (Window) GetMainWindow();
 212     if (wMain)
 213     {
 214         XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
 215
 216         XWMHints wmhints;
 217         wmhints.flags = InputHint;
 218         wmhints.input = True;
 219         XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
 220     }
 221 }
 222
 223 // Get the window with the focus
 224 wxWindow *wxWindowBase::FindFocus()
 225 {
 226     Window wFocus = (Window) 0;
 227     int revert = 0;
 228
 229     XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
 230     if (wFocus)
 231     {
 232         wxWindow *win = NULL;
 233         do
 234         {
 235             win = wxGetWindowFromTable(wFocus);
 236             wFocus = wxGetWindowParent(wFocus);
 237         } while (wFocus && !win);
 238
 239         return win;
 240     }
 241
 242     return NULL;
 243 }
 244
 245 // Enabling/disabling handled by event loop, and not sending events
 246 // if disabled.
 247 bool wxWindowX11::Enable(bool enable)
 248 {
 249     if ( !wxWindowBase::Enable(enable) )
 250         return FALSE;
 251
 252     return TRUE;
 253 }
 254
 255 bool wxWindowX11::Show(bool show)
 256 {
 257     if ( !wxWindowBase::Show(show) )
 258         return FALSE;
 259
 260     Window xwin = (Window) GetXWindow();
 261     Display *xdisp = (Display*) GetXDisplay();
 262     if (show)
 263     {
 264         XMapWindow(xdisp, xwin);
 265     }
 266     else
 267     {
 268         XUnmapWindow(xdisp, xwin);
 269     }
 270
 271     return TRUE;
 272 }
 273
 274 // Raise the window to the top of the Z order
 275 void wxWindowX11::Raise()
 276 {
 277     if (m_mainWidget)
 278         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 279 }
 280
 281 // Lower the window to the bottom of the Z order
 282 void wxWindowX11::Lower()
 283 {
 284     if (m_mainWidget)
 285         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
 286 }
 287
 288 void wxWindowX11::DoCaptureMouse()
 289 {
 290     g_captureWindow = (wxWindow*) this;
 291     if ( m_winCaptured )
 292         return;
 293
 294     if (GetMainWindow())
 295     {
 296         int res = XGrabPointer(wxGlobalDisplay(), (Window) GetMainWindow(),
 297             FALSE,
 298             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 299             GrabModeAsync,
 300                 GrabModeAsync,
 301             None,
 302             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 303             CurrentTime);
 304
 305         if (res != GrabSuccess)
 306         {
 307             wxLogDebug("Failed to grab pointer.");
 308             return;
 309         }
 310
 311         res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 312             (Window) GetMainWindow(),
 313             FALSE,
 314             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
 315                 GrabModeAsync,
 316                 GrabModeAsync,
 317             None,
 318             None);
 319
 320         if (res != GrabSuccess)
 321         {
 322             wxLogDebug("Failed to grab mouse buttons.");
 323             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 324             return;
 325         }
 326
 327         res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
 328 #if 0
 329             ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
 330 #else
 331             FALSE,
 332 #endif
 333             GrabModeAsync,
 334                 GrabModeAsync,
 335             CurrentTime);
 336
 337         if (res != GrabSuccess)
 338         {
 339             wxLogDebug("Failed to grab keyboard.");
 340             XUngrabPointer(wxGlobalDisplay(), CurrentTime);
 341             XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 342                 (Window) GetMainWindow());
 343             return;
 344         }
 345
 346         m_winCaptured = TRUE;
 347     }
 348 }
 349
 350 void wxWindowX11::DoReleaseMouse()
 351 {
 352     g_captureWindow = NULL;
 353     if ( !m_winCaptured )
 354         return;
 355
 356     Window wMain = (Window)GetMainWindow();
 357
 358     if ( wMain )
 359     {
 360         XUngrabPointer(wxGlobalDisplay(), wMain);
 361         XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
 362                 wMain);
 363         XUngrabKeyboard(wxGlobalDisplay(), CurrentTime);
 364     }
 365
 366     m_winCaptured = FALSE;
 367 }
 368
 369 bool wxWindowX11::SetFont(const wxFont& font)
 370 {
 371     if ( !wxWindowBase::SetFont(font) )
 372     {
 373         // nothing to do
 374         return FALSE;
 375     }
 376
 377     return TRUE;
 378 }
 379
 380 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 381 {
 382     if ( !wxWindowBase::SetCursor(cursor) )
 383     {
 384         // no change
 385         return FALSE;
 386     }
 387
 388     wxCursor* cursor2 = NULL;
 389     if (m_cursor.Ok())
 390         cursor2 = & m_cursor;
 391     else
 392         cursor2 = wxSTANDARD_CURSOR;
 393
 394     WXDisplay *dpy = GetXDisplay();
 395     WXCursor x_cursor = cursor2->GetXCursor(dpy);
 396
 397     Window win = (Window) GetMainWindow();
 398     XDefineCursor((Display*) dpy, win, (Cursor) x_cursor);
 399
 400     return TRUE;
 401 }
 402
 403 // Coordinates relative to the window
 404 void wxWindowX11::WarpPointer (int x, int y)
 405 {
 406     if (m_mainWidget)
 407         XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
 408 }
 409
 410 // Does a physical scroll
 411 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 412 {
 413     int x, y, w, h;
 414     if (rect)
 415     {
 416         // Use specified rectangle
 417         x = rect->x; y = rect->y; w = rect->width; h = rect->height;
 418     }
 419     else
 420     {
 421         // Use whole client area
 422         x = 0; y = 0;
 423         GetClientSize(& w, & h);
 424     }
 425
 426     wxNode *cnode = m_children.First();
 427     while (cnode)
 428     {
 429         wxWindow *child = (wxWindow*) cnode->Data();
 430         int sx = 0;
 431         int sy = 0;
 432         child->GetSize( &sx, &sy );
 433         wxPoint pos( child->GetPosition() );
 434         child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
 435         cnode = cnode->Next();
 436     }
 437
 438     int x1 = (dx >= 0) ? x : x - dx;
 439     int y1 = (dy >= 0) ? y : y - dy;
 440     int w1 = w - abs(dx);
 441     int h1 = h - abs(dy);
 442     int x2 = (dx >= 0) ? x + dx : x;
 443     int y2 = (dy >= 0) ? y + dy : y;
 444
 445     wxClientDC dc((wxWindow*) this);
 446
 447     dc.SetLogicalFunction (wxCOPY);
 448
 449     Window window = (Window) GetMainWindow();
 450     Display* display = wxGlobalDisplay();
 451
 452     XCopyArea(display, window, window, (GC) dc.GetGC(),
 453         x1, y1, w1, h1, x2, y2);
 454
 455     dc.SetAutoSetting(TRUE);
 456     wxBrush brush(GetBackgroundColour(), wxSOLID);
 457     dc.SetBrush(brush); // FIXME: needed?
 458
 459     // We'll add rectangles to the list of update rectangles according to which
 460     // bits we've exposed.
 461     wxList updateRects;
 462
 463     if (dx > 0)
 464     {
 465         wxRect *rect = new wxRect;
 466         rect->x = x;
 467         rect->y = y;
 468         rect->width = dx;
 469         rect->height = h;
 470
 471         XFillRectangle(display, window,
 472             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 473
 474         rect->x = rect->x;
 475         rect->y = rect->y;
 476         rect->width = rect->width;
 477         rect->height = rect->height;
 478
 479         updateRects.Append((wxObject*) rect);
 480     }
 481     else if (dx < 0)
 482     {
 483         wxRect *rect = new wxRect;
 484
 485         rect->x = x + w + dx;
 486         rect->y = y;
 487         rect->width = -dx;
 488         rect->height = h;
 489
 490         XFillRectangle(display, window,
 491             (GC) dc.GetGC(), rect->x, rect->y, rect->width,
 492             rect->height);
 493
 494         rect->x = rect->x;
 495         rect->y = rect->y;
 496         rect->width = rect->width;
 497         rect->height = rect->height;
 498
 499         updateRects.Append((wxObject*) rect);
 500     }
 501     if (dy > 0)
 502     {
 503         wxRect *rect = new wxRect;
 504
 505         rect->x = x;
 506         rect->y = y;
 507         rect->width = w;
 508         rect->height = dy;
 509
 510         XFillRectangle(display, window,
 511             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 512
 513         rect->x = rect->x;
 514         rect->y = rect->y;
 515         rect->width = rect->width;
 516         rect->height = rect->height;
 517
 518         updateRects.Append((wxObject*) rect);
 519     }
 520     else if (dy < 0)
 521     {
 522         wxRect *rect = new wxRect;
 523
 524         rect->x = x;
 525         rect->y = y + h + dy;
 526         rect->width = w;
 527         rect->height = -dy;
 528
 529         XFillRectangle(display, window,
 530             (GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
 531
 532         rect->x = rect->x;
 533         rect->y = rect->y;
 534         rect->width = rect->width;
 535         rect->height = rect->height;
 536
 537         updateRects.Append((wxObject*) rect);
 538     }
 539     dc.SetBrush(wxNullBrush);
 540
 541     // Now send expose events
 542
 543     wxNode* node = updateRects.First();
 544     while (node)
 545     {
 546         wxRect* rect = (wxRect*) node->Data();
 547         XExposeEvent event;
 548
 549         event.type = Expose;
 550         event.display = display;
 551         event.send_event = True;
 552         event.window = window;
 553
 554         event.x = rect->x;
 555         event.y = rect->y;
 556         event.width = rect->width;
 557         event.height = rect->height;
 558
 559         event.count = 0;
 560
 561         XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
 562
 563         node = node->Next();
 564
 565     }
 566
 567     // Delete the update rects
 568     node = updateRects.First();
 569     while (node)
 570     {
 571         wxRect* rect = (wxRect*) node->Data();
 572         delete rect;
 573         node = node->Next();
 574     }
 575
 576     // TODO
 577
 578     // XmUpdateDisplay((Widget) GetMainWidget());
 579 }
 580
 581 // ---------------------------------------------------------------------------
 582 // drag and drop
 583 // ---------------------------------------------------------------------------
 584
 585 #if wxUSE_DRAG_AND_DROP
 586
 587 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 588 {
 589     // TODO
 590 }
 591
 592 #endif
 593
 594 // Old style file-manager drag&drop
 595 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 596 {
 597     // TODO
 598 }
 599
 600 // ----------------------------------------------------------------------------
 601 // tooltips
 602 // ----------------------------------------------------------------------------
 603
 604 #if wxUSE_TOOLTIPS
 605
 606 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 607 {
 608     // TODO
 609 }
 610
 611 #endif // wxUSE_TOOLTIPS
 612
 613 // ---------------------------------------------------------------------------
 614 // moving and resizing
 615 // ---------------------------------------------------------------------------
 616
 617 bool wxWindowX11::PreResize()
 618 {
 619     return TRUE;
 620 }
 621
 622 // Get total size
 623 void wxWindowX11::DoGetSize(int *x, int *y) const
 624 {
 625     Window window = (Window) m_mainWidget;
 626     if (window)
 627     {
 628         XWindowAttributes attr;
 629         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 630         wxASSERT(status);
 631
 632         if (status)
 633         {
 634             *x = attr.width /* + 2*m_borderSize */ ;
 635             *y = attr.height /* + 2*m_borderSize */ ;
 636         }
 637     }
 638 }
 639
 640 void wxWindowX11::DoGetPosition(int *x, int *y) const
 641 {
 642     Window window = (Window) m_mainWidget;
 643     if (window)
 644     {
 645         XWindowAttributes attr;
 646         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 647         wxASSERT(status);
 648
 649         if (status)
 650         {
 651             *x = attr.x;
 652             *y = attr.y;
 653
 654             // We may be faking the client origin. So a window that's really at (0, 30)
 655             // may appear (to wxWin apps) to be at (0, 0).
 656             if (GetParent())
 657             {
 658                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 659                 *x -= pt.x;
 660                 *y -= pt.y;
 661             }
 662         }
 663     }
 664 }
 665
 666 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 667 {
 668     Display *display = wxGlobalDisplay();
 669     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 670     Window thisWindow = (Window) m_mainWidget;
 671
 672     Window childWindow;
 673     int xx = *x;
 674     int yy = *y;
 675     XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
 676 }
 677
 678 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 679 {
 680     Display *display = wxGlobalDisplay();
 681     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 682     Window thisWindow = (Window) m_mainWidget;
 683
 684     Window childWindow;
 685     int xx = *x;
 686     int yy = *y;
 687     XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
 688 }
 689
 690
 691 // Get size *available for subwindows* i.e. excluding menu bar etc.
 692 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 693 {
 694     Window window = (Window) m_mainWidget;
 695
 696     if (window)
 697     {
 698         XWindowAttributes attr;
 699         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 700         wxASSERT(status);
 701
 702         if (status)
 703         {
 704             *x = attr.width ;
 705             *y = attr.height ;
 706         }
 707     }
 708 }
 709
 710 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 711 {
 712     if (!GetMainWindow())
 713         return;
 714
 715     XWindowChanges windowChanges;
 716     int valueMask = 0;
 717
 718     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 719     {
 720         windowChanges.x = x;
 721         valueMask |= CWX;
 722     }
 723     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 724     {
 725         windowChanges.y = y;
 726         valueMask |= CWY;
 727     }
 728     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 729     {
 730         windowChanges.width = width /* - m_borderSize*2 */;
 731         valueMask |= CWWidth;
 732     }
 733     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 734     {
 735         windowChanges.height = height /* -m_borderSize*2*/;
 736         valueMask |= CWHeight;
 737     }
 738     AdjustForParentClientOrigin( x, y, sizeFlags);
 739
 740     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 741         valueMask, & windowChanges);
 742 }
 743
 744 void wxWindowX11::DoSetClientSize(int width, int height)
 745 {
 746     if (!GetMainWindow())
 747         return;
 748
 749     XWindowChanges windowChanges;
 750     int valueMask = 0;
 751
 752     if (width != -1)
 753     {
 754         windowChanges.width = width ;
 755         valueMask |= CWWidth;
 756     }
 757     if (height != -1)
 758     {
 759         windowChanges.height = height ;
 760         valueMask |= CWHeight;
 761     }
 762     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 763         valueMask, & windowChanges);
 764 }
 765
 766 // For implementation purposes - sometimes decorations make the client area
 767 // smaller
 768 wxPoint wxWindowX11::GetClientAreaOrigin() const
 769 {
 770     return wxPoint(0, 0);
 771 }
 772
 773 // Makes an adjustment to the window position (for example, a frame that has
 774 // a toolbar that it manages itself).
 775 void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
 776 {
 777     if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
 778     {
 779         wxPoint pt(GetParent()->GetClientAreaOrigin());
 780         x += pt.x; y += pt.y;
 781     }
 782 }
 783
 784 void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 785 {
 786     m_minWidth = minW;
 787     m_minHeight = minH;
 788     m_maxWidth = maxW;
 789     m_maxHeight = maxH;
 790
 791     XSizeHints sizeHints;
 792     sizeHints.flags = 0;
 793
 794     if (minW > -1 && minH > -1)
 795     {
 796         sizeHints.flags |= PMinSize;
 797         sizeHints.min_width = minW;
 798         sizeHints.min_height = minH;
 799     }
 800     if (maxW > -1 && maxH > -1)
 801     {
 802         sizeHints.flags |= PMaxSize;
 803         sizeHints.max_width = maxW;
 804         sizeHints.max_height = maxH;
 805     }
 806     if (incW > -1 && incH > -1)
 807     {
 808         sizeHints.flags |= PResizeInc;
 809         sizeHints.width_inc = incW;
 810         sizeHints.height_inc = incH;
 811     }
 812
 813     XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
 814 }
 815
 816 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 817 {
 818     DoSetSize(x, y, width, height);
 819 }
 820
 821 // ---------------------------------------------------------------------------
 822 // text metrics
 823 // ---------------------------------------------------------------------------
 824
 825 int wxWindowX11::GetCharHeight() const
 826 {
 827     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 828
 829     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 830
 831     int direction, ascent, descent;
 832     XCharStruct overall;
 833     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 834         &descent, &overall);
 835
 836     //  return (overall.ascent + overall.descent);
 837     return (ascent + descent);
 838 }
 839
 840 int wxWindowX11::GetCharWidth() const
 841 {
 842     wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
 843
 844     WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
 845
 846     int direction, ascent, descent;
 847     XCharStruct overall;
 848     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
 849         &descent, &overall);
 850
 851     return overall.width;
 852 }
 853
 854 void wxWindowX11::GetTextExtent(const wxString& string,
 855                              int *x, int *y,
 856                              int *descent, int *externalLeading,
 857                              const wxFont *theFont) const
 858 {
 859     wxFont *fontToUse = (wxFont *)theFont;
 860     if (!fontToUse)
 861         fontToUse = (wxFont *) & m_font;
 862
 863     wxCHECK_RET( fontToUse->Ok(), "valid window font needed" );
 864
 865     WXFontStructPtr pFontStruct = theFont->GetFontStruct(1.0, GetXDisplay());
 866
 867     int direction, ascent, descent2;
 868     XCharStruct overall;
 869     int slen = string.Len();
 870
 871 #if 0
 872     if (use16)
 873         XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
 874         &ascent, &descent2, &overall);
 875 #endif
 876
 877     XTextExtents((XFontStruct*) pFontStruct, string, slen,
 878                  &direction, &ascent, &descent2, &overall);
 879
 880     if ( x )
 881         *x = (overall.width);
 882     if ( y )
 883         *y = (ascent + descent2);
 884     if (descent)
 885         *descent = descent2;
 886     if (externalLeading)
 887         *externalLeading = 0;
 888
 889 }
 890
 891 // ----------------------------------------------------------------------------
 892 // painting
 893 // ----------------------------------------------------------------------------
 894
 895 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
 896 {
 897     if (eraseBack)
 898     {
 899         if (rect)
 900         {
 901             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 902             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
 903         }
 904         else
 905         {
 906             int height,width;
 907             GetSize( &width, &height );
 908
 909             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 910             m_clearRegion.Clear();
 911             m_clearRegion.Union( 0, 0, width, height );
 912         }
 913     }
 914
 915     if (rect)
 916     {
 917          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 918          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
 919     }
 920     else
 921     {
 922        int height,width;
 923        GetSize( &width, &height );
 924
 925         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
 926         m_updateRegion.Clear();
 927         m_updateRegion.Union( 0, 0, width, height );
 928     }
 929
 930     // Actually don't schedule yet..
 931     Update();
 932 }
 933
 934 void wxWindowX11::Update()
 935 {
 936     if (!m_updateRegion.IsEmpty())
 937     {
 938         X11SendPaintEvents();
 939     }
 940 }
 941
 942 void wxWindowX11::Clear()
 943 {
 944     wxClientDC dc((wxWindow*) this);
 945     wxBrush brush(GetBackgroundColour(), wxSOLID);
 946     dc.SetBackground(brush);
 947     dc.Clear();
 948 }
 949
 950 void wxWindowX11::X11SendPaintEvents()
 951 {
 952     m_clipPaintRegion = TRUE;
 953
 954     if (!m_clearRegion.IsEmpty())
 955     {
 956         wxWindowDC dc( (wxWindow*)this );
 957         dc.SetClippingRegion( m_clearRegion );
 958
 959         wxEraseEvent erase_event( GetId(), &dc );
 960         erase_event.SetEventObject( this );
 961
 962         if (!GetEventHandler()->ProcessEvent(erase_event))
 963         {
 964             wxRegionIterator upd( m_clearRegion );
 965             while (upd)
 966             {
 967                 // XClearArea( ... , upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
 968                 upd ++;
 969             }
 970         }
 971         m_clearRegion.Clear();
 972     }
 973
 974     wxNcPaintEvent nc_paint_event( GetId() );
 975     nc_paint_event.SetEventObject( this );
 976     GetEventHandler()->ProcessEvent( nc_paint_event );
 977
 978     wxPaintEvent paint_event( GetId() );
 979     paint_event.SetEventObject( this );
 980     GetEventHandler()->ProcessEvent( paint_event );
 981
 982     m_clipPaintRegion = FALSE;
 983 }
 984
 985 // ----------------------------------------------------------------------------
 986 // event handlers
 987 // ----------------------------------------------------------------------------
 988
 989 // Responds to colour changes: passes event on to children.
 990 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
 991 {
 992     wxWindowList::Node *node = GetChildren().GetFirst();
 993     while ( node )
 994     {
 995         // Only propagate to non-top-level windows
 996         wxWindow *win = node->GetData();
 997         if ( win->GetParent() )
 998         {
 999             wxSysColourChangedEvent event2;
1000             event.m_eventObject = win;
1001             win->GetEventHandler()->ProcessEvent(event2);
1002         }
1003
1004         node = node->GetNext();
1005     }
1006 }
1007
1008 void wxWindowX11::OnIdle(wxIdleEvent& WXUNUSED(event))
1009 {
1010     // This calls the UI-update mechanism (querying windows for
1011     // menu/toolbar/control state information)
1012     UpdateWindowUI();
1013 }
1014
1015 // ----------------------------------------------------------------------------
1016 // function which maintain the global hash table mapping Widgets to wxWindows
1017 // ----------------------------------------------------------------------------
1018
1019 bool wxAddWindowToTable(Window w, wxWindow *win)
1020 {
1021     wxWindow *oldItem = NULL;
1022     if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
1023     {
1024         wxLogDebug("Widget table clash: new widget is %ld, %s",
1025                    (long)w, win->GetClassInfo()->GetClassName());
1026         return FALSE;
1027     }
1028
1029     wxWidgetHashTable->Put((long) w, win);
1030
1031     wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
1032                w, win, win->GetClassInfo()->GetClassName());
1033
1034     return TRUE;
1035 }
1036
1037 wxWindow *wxGetWindowFromTable(Window w)
1038 {
1039     return (wxWindow *)wxWidgetHashTable->Get((long) w);
1040 }
1041
1042 void wxDeleteWindowFromTable(Window w)
1043 {
1044     wxWidgetHashTable->Delete((long)w);
1045 }
1046
1047 // ----------------------------------------------------------------------------
1048 // add/remove window from the table
1049 // ----------------------------------------------------------------------------
1050
1051 // ----------------------------------------------------------------------------
1052 // X11-specific accessors
1053 // ----------------------------------------------------------------------------
1054
1055 // Get the underlying X window
1056 WXWindow wxWindowX11::GetXWindow() const
1057 {
1058     return GetMainWindow();
1059 }
1060
1061 // Get the underlying X display
1062 WXDisplay *wxWindowX11::GetXDisplay() const
1063 {
1064     return wxGetDisplay();
1065 }
1066
1067 WXWindow wxWindowX11::GetMainWindow() const
1068 {
1069     return m_mainWidget;
1070 }
1071
1072 // ----------------------------------------------------------------------------
1073 // TranslateXXXEvent() functions
1074 // ----------------------------------------------------------------------------
1075
1076 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1077 {
1078     switch (xevent->xany.type)
1079     {
1080         case EnterNotify:
1081         case LeaveNotify:
1082         case ButtonPress:
1083         case ButtonRelease:
1084         case MotionNotify:
1085         {
1086             wxEventType eventType = wxEVT_NULL;
1087
1088             if (xevent->xany.type == EnterNotify)
1089             {
1090                 //if (local_event.xcrossing.mode!=NotifyNormal)
1091                 //  return ; // Ignore grab events
1092                 eventType = wxEVT_ENTER_WINDOW;
1093                 //            canvas->GetEventHandler()->OnSetFocus();
1094             }
1095             else if (xevent->xany.type == LeaveNotify)
1096             {
1097                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1098                 //  return ; // Ignore grab events
1099                 eventType = wxEVT_LEAVE_WINDOW;
1100                 //            canvas->GetEventHandler()->OnKillFocus();
1101             }
1102             else if (xevent->xany.type == MotionNotify)
1103             {
1104                 eventType = wxEVT_MOTION;
1105             }
1106             else if (xevent->xany.type == ButtonPress)
1107             {
1108                 wxevent.SetTimestamp(xevent->xbutton.time);
1109                 int button = 0;
1110                 if (xevent->xbutton.button == Button1)
1111                 {
1112                     eventType = wxEVT_LEFT_DOWN;
1113                     button = 1;
1114                 }
1115                 else if (xevent->xbutton.button == Button2)
1116                 {
1117                     eventType = wxEVT_MIDDLE_DOWN;
1118                     button = 2;
1119                 }
1120                 else if (xevent->xbutton.button == Button3)
1121                 {
1122                     eventType = wxEVT_RIGHT_DOWN;
1123                     button = 3;
1124                 }
1125
1126                 // check for a double click
1127                 // TODO: where can we get this value from?
1128                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1129                 long dclickTime = 200;
1130                 long ts = wxevent.GetTimestamp();
1131
1132                 int buttonLast = win->GetLastClickedButton();
1133                 long lastTS = win->GetLastClickTime();
1134                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1135                 {
1136                     // I have a dclick
1137                     win->SetLastClick(0, ts);
1138                     if ( eventType == wxEVT_LEFT_DOWN )
1139                         eventType = wxEVT_LEFT_DCLICK;
1140                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1141                         eventType = wxEVT_MIDDLE_DCLICK;
1142                     else if ( eventType == wxEVT_RIGHT_DOWN )
1143                         eventType = wxEVT_RIGHT_DCLICK;
1144                 }
1145                 else
1146                 {
1147                     // not fast enough or different button
1148                     win->SetLastClick(button, ts);
1149                 }
1150             }
1151             else if (xevent->xany.type == ButtonRelease)
1152             {
1153                 if (xevent->xbutton.button == Button1)
1154                 {
1155                     eventType = wxEVT_LEFT_UP;
1156                 }
1157                 else if (xevent->xbutton.button == Button2)
1158                 {
1159                     eventType = wxEVT_MIDDLE_UP;
1160                 }
1161                 else if (xevent->xbutton.button == Button3)
1162                 {
1163                     eventType = wxEVT_RIGHT_UP;
1164                 }
1165                 else return FALSE;
1166             }
1167             else
1168             {
1169                 return FALSE;
1170             }
1171
1172             wxevent.SetEventType(eventType);
1173
1174             wxevent.m_x = xevent->xbutton.x;
1175             wxevent.m_y = xevent->xbutton.y;
1176
1177             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1178                 || (event_left_is_down (xevent)
1179                 && (eventType != wxEVT_LEFT_UP)));
1180             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1181                 || (event_middle_is_down (xevent)
1182                 && (eventType != wxEVT_MIDDLE_UP)));
1183             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1184                 || (event_right_is_down (xevent)
1185                 && (eventType != wxEVT_RIGHT_UP)));
1186
1187             wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
1188             wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
1189             wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
1190             wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
1191
1192             wxevent.SetId(win->GetId());
1193             wxevent.SetEventObject(win);
1194
1195             return TRUE;
1196         }
1197     }
1198     return FALSE;
1199 }
1200
1201 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
1202 {
1203     switch (xevent->xany.type)
1204     {
1205     case KeyPress:
1206     case KeyRelease:
1207         {
1208             char buf[20];
1209
1210             KeySym keySym;
1211             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1212             int id = wxCharCodeXToWX (keySym);
1213
1214             if (xevent->xkey.state & ShiftMask)
1215                 wxevent.m_shiftDown = TRUE;
1216             if (xevent->xkey.state & ControlMask)
1217                 wxevent.m_controlDown = TRUE;
1218             if (xevent->xkey.state & Mod3Mask)
1219                 wxevent.m_altDown = TRUE;
1220             if (xevent->xkey.state & Mod1Mask)
1221                 wxevent.m_metaDown = TRUE;
1222             wxevent.SetEventObject(win);
1223             wxevent.m_keyCode = id;
1224             wxevent.SetTimestamp(xevent->xkey.time);
1225
1226             wxevent.m_x = xevent->xbutton.x;
1227             wxevent.m_y = xevent->xbutton.y;
1228
1229             if (id > -1)
1230                 return TRUE;
1231             else
1232                 return FALSE;
1233             break;
1234         }
1235     default:
1236         break;
1237     }
1238     return FALSE;
1239 }
1240
1241 // ----------------------------------------------------------------------------
1242 // Colour stuff
1243 // ----------------------------------------------------------------------------
1244
1245 #if 0
1246
1247 #define YAllocColor XAllocColor
1248 XColor g_itemColors[5];
1249 int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
1250 {
1251     int result;
1252     static XmColorProc colorProc;
1253
1254     result = wxNO_COLORS;
1255
1256     if (back)
1257     {
1258         g_itemColors[0].red = (((long) back->Red ()) << 8);
1259         g_itemColors[0].green = (((long) back->Green ()) << 8);
1260         g_itemColors[0].blue = (((long) back->Blue ()) << 8);
1261         g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
1262         if (colorProc == (XmColorProc) NULL)
1263         {
1264             // Get a ptr to the actual function
1265             colorProc = XmSetColorCalculation ((XmColorProc) NULL);
1266             // And set it back to motif.
1267             XmSetColorCalculation (colorProc);
1268         }
1269         (*colorProc) (&g_itemColors[wxBACK_INDEX],
1270             &g_itemColors[wxFORE_INDEX],
1271             &g_itemColors[wxSELE_INDEX],
1272             &g_itemColors[wxTOPS_INDEX],
1273             &g_itemColors[wxBOTS_INDEX]);
1274         result = wxBACK_COLORS;
1275     }
1276     if (fore)
1277     {
1278         g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
1279         g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
1280         g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
1281         g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
1282         if (result == wxNO_COLORS)
1283             result = wxFORE_COLORS;
1284     }
1285
1286     Display *dpy = display;
1287     Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
1288
1289     if (back)
1290     {
1291         /* 5 Colours to allocate */
1292         for (int i = 0; i < 5; i++)
1293             if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
1294                 result = wxNO_COLORS;
1295     }
1296     else if (fore)
1297     {
1298         /* Only 1 colour to allocate */
1299         if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
1300             result = wxNO_COLORS;
1301     }
1302
1303     return (result);
1304
1305 }
1306 #endif
1307
1308 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1309 {
1310     if ( !wxWindowBase::SetBackgroundColour(col) )
1311         return FALSE;
1312
1313     if (!GetMainWindow())
1314         return FALSE;
1315
1316     wxColour colour( col );
1317     XSetWindowAttributes attrib;
1318     attrib.background_pixel = colour.AllocColour(wxGlobalDisplay());
1319
1320     XChangeWindowAttributes(wxGlobalDisplay(),
1321         (Window) GetMainWindow(),
1322         CWBackPixel,
1323         & attrib);
1324
1325     return TRUE;
1326 }
1327
1328 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1329 {
1330     if ( !wxWindowBase::SetForegroundColour(col) )
1331         return FALSE;
1332
1333     return TRUE;
1334 }
1335
1336 // ----------------------------------------------------------------------------
1337 // global functions
1338 // ----------------------------------------------------------------------------
1339
1340 wxWindow *wxGetActiveWindow()
1341 {
1342     // TODO
1343     wxFAIL_MSG("Not implemented");
1344     return NULL;
1345 }
1346
1347 /* static */
1348 wxWindow *wxWindowBase::GetCapture()
1349 {
1350     return (wxWindow *)g_captureWindow;
1351 }
1352
1353
1354 // Find the wxWindow at the current mouse position, returning the mouse
1355 // position.
1356 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1357 {
1358     return wxFindWindowAtPoint(wxGetMousePosition());
1359 }
1360
1361 // Get the current mouse position.
1362 wxPoint wxGetMousePosition()
1363 {
1364     Display *display = wxGlobalDisplay();
1365     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1366     Window rootReturn, childReturn;
1367     int rootX, rootY, winX, winY;
1368     unsigned int maskReturn;
1369
1370     XQueryPointer (display,
1371                    rootWindow,
1372                    &rootReturn,
1373                    &childReturn,
1374                    &rootX, &rootY, &winX, &winY, &maskReturn);
1375     return wxPoint(rootX, rootY);
1376 }
1377
1378
1379 // ----------------------------------------------------------------------------
1380 // wxNoOptimize: switch off size optimization
1381 // ----------------------------------------------------------------------------
1382
1383 int wxNoOptimize::ms_count = 0;
1384