src/x11/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        x11/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for X11
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 Julian Smart
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37     #include "wx/frame.h"
  38     #include "wx/menu.h"
  39     #include "wx/statusbr.h"
  40 #endif //WX_PRECOMP
  41
  42 #include "wx/settings.h"
  43 #include "wx/x11/private.h"
  44 #include "X11/Xutil.h"
  45
  46 bool wxMWMIsRunning(Window w);
  47
  48 // ----------------------------------------------------------------------------
  49 // wxTopLevelWindowX11 creation
  50 // ----------------------------------------------------------------------------
  51
  52 void wxTopLevelWindowX11::Init()
  53 {
  54     m_iconized =
  55     m_maximizeOnShow = FALSE;
  56
  57     // unlike (almost?) all other windows, frames are created hidden
  58     m_isShown = FALSE;
  59
  60     // Data to save/restore when calling ShowFullScreen
  61     m_fsStyle = 0;
  62     m_fsIsMaximized = FALSE;
  63     m_fsIsShowing = FALSE;
  64 }
  65
  66 bool wxTopLevelWindowX11::Create(wxWindow *parent,
  67                                  wxWindowID id,
  68                                  const wxString& title,
  69                                  const wxPoint& pos,
  70                                  const wxSize& size,
  71                                  long style,
  72                                  const wxString& name)
  73 {
  74     // init our fields
  75     Init();
  76
  77     m_windowStyle = style;
  78     m_parent = parent;
  79
  80     SetName(name);
  81
  82     m_windowId = id == -1 ? NewControlId() : id;
  83
  84     if (parent)
  85         parent->AddChild(this);
  86
  87     wxTopLevelWindows.Append(this);
  88
  89     Display *xdisplay = wxGlobalDisplay();
  90     int xscreen = DefaultScreen( xdisplay );
  91     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
  92     Window xparent = RootWindow( xdisplay, xscreen );
  93     Colormap cm = DefaultColormap( xdisplay, xscreen );
  94
  95     // TODO: For dialogs, this should be wxSYS_COLOUR_3DFACE
  96     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
  97     m_backgroundColour.CalcPixel( (WXColormap) cm );
  98     m_hasBgCol = TRUE;
  99
 100     XSetWindowAttributes xattributes;
 101     XSizeHints size_hints;
 102     XWMHints wm_hints;
 103
 104     long xattributes_mask =
 105         CWOverrideRedirect |
 106         CWBorderPixel | CWBackPixel;
 107     xattributes.background_pixel = m_backgroundColour.GetPixel();
 108     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 109
 110     // TODO: if we want no border, caption etc.,
 111     // I think we set this to True to remove decorations
 112     xattributes.override_redirect = False;
 113
 114     wxSize size2(size);
 115     if (size2.x == -1)
 116         size2.x = 100;
 117     if (size2.y == -1)
 118         size2.y = 100;
 119
 120     wxPoint pos2(pos);
 121     if (pos2.x == -1)
 122         pos2.x = 100;
 123     if (pos2.y == -1)
 124         pos2.y = 100;
 125
 126     Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 127        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 128     m_mainWidget = (WXWindow) xwindow;
 129
 130     XSelectInput( xdisplay, xwindow,
 131         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 132         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 133         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 134         PropertyChangeMask );
 135
 136     wxAddWindowToTable( xwindow, (wxWindow*) this );
 137
 138     // Set background to None which will prevent X11 from clearing the
 139     // background completely.
 140     XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 141
 142     // Messes up window management
 143     //    XSetTransientForHint( xdisplay, xwindow, xparent );
 144
 145     size_hints.flags = PSize;
 146     size_hints.width = size2.x;
 147     size_hints.height = size2.y;
 148     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 149
 150     wm_hints.flags = InputHint | StateHint /* | WindowGroupHint */;
 151     wm_hints.input = True;
 152     wm_hints.initial_state = NormalState;
 153     XSetWMHints( xdisplay, xwindow, &wm_hints);
 154
 155     Atom wm_delete_window = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False);
 156     XSetWMProtocols( xdisplay, xwindow, &wm_delete_window, 1);
 157
 158     wxSetWMDecorations((Window) GetMainWindow(), style);
 159
 160     SetTitle(title);
 161
 162     return TRUE;
 163 }
 164
 165 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 166 {
 167     wxTopLevelWindows.DeleteObject(this);
 168
 169     // If this is the last top-level window, exit.
 170     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 171     {
 172         wxTheApp->SetTopWindow(NULL);
 173
 174         if (wxTheApp->GetExitOnFrameDelete())
 175         {
 176             // Signal to the app that we're going to close
 177             wxTheApp->ExitMainLoop();
 178         }
 179     }
 180 }
 181
 182 // ----------------------------------------------------------------------------
 183 // wxTopLevelWindowX11 showing
 184 // ----------------------------------------------------------------------------
 185
 186 bool wxTopLevelWindowX11::Show(bool show)
 187 {
 188     return wxWindowX11::Show(show);
 189 }
 190
 191 // ----------------------------------------------------------------------------
 192 // wxTopLevelWindowX11 maximize/minimize
 193 // ----------------------------------------------------------------------------
 194
 195 void wxTopLevelWindowX11::Maximize(bool maximize)
 196 {
 197     // TODO
 198 }
 199
 200 bool wxTopLevelWindowX11::IsMaximized() const
 201 {
 202     // TODO
 203     return TRUE;
 204 }
 205
 206 void wxTopLevelWindowX11::Iconize(bool iconize)
 207 {
 208     if (!m_iconized && GetMainWindow())
 209     {
 210         if (XIconifyWindow(wxGlobalDisplay(),
 211             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 212             m_iconized = TRUE;
 213     }
 214 }
 215
 216 bool wxTopLevelWindowX11::IsIconized() const
 217 {
 218     return m_iconized;
 219 }
 220
 221 void wxTopLevelWindowX11::Restore()
 222 {
 223     // This is the way to deiconify the window, according to the X FAQ
 224     if (m_iconized && GetMainWindow())
 225     {
 226         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 227         m_iconized = FALSE;
 228     }
 229 }
 230
 231 // ----------------------------------------------------------------------------
 232 // wxTopLevelWindowX11 fullscreen
 233 // ----------------------------------------------------------------------------
 234
 235 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 236 {
 237     if (show)
 238     {
 239         if (IsFullScreen())
 240             return FALSE;
 241
 242         m_fsIsShowing = TRUE;
 243         m_fsStyle = style;
 244
 245         // TODO
 246
 247         return TRUE;
 248     }
 249     else
 250     {
 251         if (!IsFullScreen())
 252             return FALSE;
 253
 254         m_fsIsShowing = FALSE;
 255
 256         // TODO
 257         return TRUE;
 258     }
 259 }
 260
 261 // ----------------------------------------------------------------------------
 262 // wxTopLevelWindowX11 misc
 263 // ----------------------------------------------------------------------------
 264
 265 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 266 {
 267     // this sets m_icon
 268     wxTopLevelWindowBase::SetIcon(icon);
 269
 270     if (icon.Ok() && GetMainWindow())
 271     {
 272         XWMHints *wmHints = XAllocWMHints();
 273         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 274
 275         wmHints->flags = IconPixmapHint;
 276
 277         if (icon.GetMask())
 278         {
 279             wmHints->flags |= IconMaskHint;
 280             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetBitmap();
 281         }
 282
 283         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 284         XFree(wmHints);
 285     }
 286 }
 287
 288 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 289 {
 290     m_title = title;
 291     if (GetMainWindow())
 292     {
 293         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 294             (const char*) title);
 295         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 296             (const char*) title);
 297
 298         // Use this if the platform doesn't supply the above functions.
 299 #if 0
 300         XTextProperty textProperty;
 301         textProperty.value = (unsigned char*) title;
 302         textProperty.encoding = XA_STRING;
 303         textProperty.format = 8;
 304         textProperty.nitems = 1;
 305
 306         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 307             & textProperty, WM_NAME);
 308 #endif
 309     }
 310 }
 311
 312 wxString wxTopLevelWindowX11::GetTitle() const
 313 {
 314     return m_title;
 315 }
 316
 317 #ifndef MWM_DECOR_BORDER
 318 /* bit definitions for MwmHints.flags */
 319 #define MWM_HINTS_FUNCTIONS (1L << 0)
 320 #define MWM_HINTS_DECORATIONS (1L << 1)
 321 #define MWM_HINTS_INPUT_MODE (1L << 2)
 322 #define MWM_HINTS_STATUS (1L << 3)
 323
 324 #define MWM_DECOR_ALL           (1L << 0)
 325 #define MWM_DECOR_BORDER        (1L << 1)
 326 #define MWM_DECOR_RESIZEH       (1L << 2)
 327 #define MWM_DECOR_TITLE         (1L << 3)
 328 #define MWM_DECOR_MENU          (1L << 4)
 329 #define MWM_DECOR_MINIMIZE      (1L << 5)
 330 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 331 #endif
 332
 333 struct MwmHints {
 334     long flags;
 335     long functions;
 336     long decorations;
 337     long input_mode;
 338 };
 339
 340 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 341
 342 // Set the window manager decorations according to the
 343 // given wxWindows style
 344 bool wxSetWMDecorations(Window w, long style)
 345 {
 346     if (!wxMWMIsRunning(w))
 347         return FALSE;
 348
 349     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 350     MwmHints hints;
 351     hints.flags = 0;
 352     hints.decorations = 0;
 353
 354     if (style & wxRESIZE_BORDER)
 355     {
 356         wxLogDebug("MWM_DECOR_RESIZEH");
 357         hints.flags |= MWM_HINTS_DECORATIONS;
 358         hints.decorations |= MWM_DECOR_RESIZEH;
 359     }
 360
 361     if (style & wxSYSTEM_MENU)
 362     {
 363         wxLogDebug("MWM_DECOR_MENU");
 364         hints.flags |= MWM_HINTS_DECORATIONS;
 365         hints.decorations |= MWM_DECOR_MENU;
 366     }
 367
 368     if ((style & wxCAPTION) ||
 369         (style & wxTINY_CAPTION_HORIZ) ||
 370         (style & wxTINY_CAPTION_VERT))
 371     {
 372         wxLogDebug("MWM_DECOR_TITLE");
 373         hints.flags |= MWM_HINTS_DECORATIONS;
 374         hints.decorations |= MWM_DECOR_TITLE;
 375     }
 376
 377     if ((style & wxTHICK_FRAME) || (style & wxSIMPLE_BORDER) || (style & wxCAPTION))
 378     {
 379         wxLogDebug("MWM_DECOR_BORDER");
 380         hints.flags |= MWM_HINTS_DECORATIONS;
 381         hints.decorations |= MWM_DECOR_BORDER;
 382     }
 383
 384     if (style & wxMINIMIZE_BOX)
 385     {
 386         wxLogDebug("MWM_DECOR_MINIMIZE");
 387         hints.flags |= MWM_HINTS_DECORATIONS;
 388         hints.decorations |= MWM_DECOR_MINIMIZE;
 389     }
 390
 391     if (style & wxMAXIMIZE_BOX)
 392     {
 393         wxLogDebug("MWM_DECOR_MAXIMIZE");
 394         hints.flags |= MWM_HINTS_DECORATIONS;
 395         hints.decorations |= MWM_DECOR_MAXIMIZE;
 396     }
 397
 398     XChangeProperty(wxGlobalDisplay(),
 399                     w,
 400                     mwm_wm_hints, mwm_wm_hints,
 401                     32, PropModeReplace,
 402                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 403
 404     return TRUE;
 405 }
 406
 407 bool wxMWMIsRunning(Window w)
 408 {
 409     Display *dpy = (Display*)wxGetDisplay();
 410     Atom motifWmInfo = XInternAtom(dpy, "_MOTIF_WM_INFO", False);
 411
 412     unsigned long length, bytesafter;
 413     unsigned char value[20];
 414     unsigned char *ptr = &value[0];
 415     int ret, format;
 416     Atom type;
 417
 418     type = format = length = 0;
 419     value[0] = 0;
 420
 421     ret = XGetWindowProperty(wxGlobalDisplay(), w, motifWmInfo,
 422             0L, 2, False, motifWmInfo,
 423             &type, &format, &length, &bytesafter, &ptr);
 424
 425     return (ret == Success);
 426 }
 427
 428 // For implementation purposes - sometimes decorations make the client area
 429 // smaller
 430 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 431 {
 432     // In fact wxFrame::GetClientAreaOrigin
 433     // does the required calculation already.
 434 #if 0
 435     if (this->IsKindOf(CLASSINFO(wxFrame)))
 436     {
 437         wxFrame* frame = (wxFrame*) this;
 438         if (frame->GetMenuBar())
 439             return wxPoint(0, frame->GetMenuBar()->GetSize().y);
 440     }
 441 #endif
 442     return wxPoint(0, 0);
 443 }
 444
 445 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 446 {
 447     wxWindowX11::DoGetClientSize(width, height);
 448     // Done by wxTopLevelWindow
 449 #if 0
 450     if (this->IsKindOf(CLASSINFO(wxFrame)))
 451     {
 452         wxFrame* frame = (wxFrame*) this;
 453         if (frame->GetMenuBar())
 454             (*height) -= frame->GetMenuBar()->GetSize().y;
 455         if (frame->GetStatusBar())
 456             (*height) -= frame->GetStatusBar()->GetSize().y;
 457     }
 458 #endif
 459 }
 460
 461 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 462 {
 463     wxWindowX11::DoSetClientSize(width, height);
 464
 465 #if 0
 466     if (!GetMainWindow())
 467         return;
 468
 469     XWindowChanges windowChanges;
 470     int valueMask = 0;
 471
 472     if (width != -1)
 473     {
 474         windowChanges.width = width ;
 475         valueMask |= CWWidth;
 476     }
 477     if (height != -1)
 478     {
 479         windowChanges.height = height ;
 480         valueMask |= CWHeight;
 481     }
 482     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 483         valueMask, & windowChanges);
 484 #endif
 485 }
 486
 487 void wxTopLevelWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 488 {
 489     wxString msg;
 490     msg.Printf("Setting pos: %d, %d", x, y);
 491     wxLogDebug(msg);
 492     wxWindowX11::DoSetSize(x, y, width, height, sizeFlags);
 493
 494     wxPoint pt = GetPosition();
 495     msg.Printf("After, pos: %d, %d", pt.x, pt.y);
 496     wxLogDebug(msg);
 497 #if 0
 498     XSync(wxGlobalDisplay(), False);
 499     int w, h;
 500     GetSize(& w, & h);
 501     wxString msg;
 502     msg.Printf("Before setting size: %d, %d", w, h);
 503     wxLogDebug(msg);
 504     if (!GetMainWindow())
 505         return;
 506
 507     XWindowChanges windowChanges;
 508     int valueMask = 0;
 509
 510     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 511     {
 512         int yy = 0;
 513         AdjustForParentClientOrigin( x, yy, sizeFlags);
 514         windowChanges.x = x;
 515         valueMask |= CWX;
 516     }
 517     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 518     {
 519         int xx = 0;
 520         AdjustForParentClientOrigin( xx, y, sizeFlags);
 521         windowChanges.y = y;
 522         valueMask |= CWY;
 523     }
 524     if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 525     {
 526         windowChanges.width = width /* - m_borderSize*2 */;
 527         valueMask |= CWWidth;
 528     }
 529     if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 530     {
 531         windowChanges.height = height /* -m_borderSize*2*/;
 532         valueMask |= CWHeight;
 533     }
 534
 535     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 536                      valueMask, & windowChanges);
 537     XSync(wxGlobalDisplay(), False);
 538     GetSize(& w, & h);
 539     msg.Printf("Tried to set to %d, %d. After setting size: %d, %d", width, height, w, h);
 540     wxLogDebug(msg);
 541 #endif
 542 }
 543
 544 void wxTopLevelWindowX11::DoGetPosition(int *x, int *y) const
 545 {
 546     XSync(wxGlobalDisplay(), False);
 547     Window window = (Window) m_mainWidget;
 548     if (window)
 549     {
 550         int offsetX = 0;
 551         int offsetY = 0;
 552
 553         wxLogDebug("Translating...");
 554         Window childWindow;
 555         XTranslateCoordinates(wxGlobalDisplay(), window, XDefaultRootWindow(wxGlobalDisplay()),
 556                                   0, 0, & offsetX, & offsetY, & childWindow);
 557
 558         wxString msg;
 559         msg.Printf("Offset: %d, %d", offsetX, offsetY);
 560         wxLogDebug(msg);
 561
 562         XWindowAttributes attr;
 563         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 564         wxASSERT(status);
 565
 566         if (status)
 567         {
 568             *x = attr.x + offsetX;
 569             *y = attr.y + offsetY;
 570         }
 571     }
 572 }