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 #endif //WX_PRECOMP
  39
  40 #include "wx/x11/private.h"
  41 #include "X11/Xatom.h"
  42 #include "X11/Xutil.h"
  43
  44 // Set the window manager decorations according to the
  45 // given wxWindows style
  46 #if 0
  47 static bool SetWMDecorations(Widget w, long style);
  48 #endif
  49 static bool MWMIsRunning(Window w);
  50
  51
  52 // ----------------------------------------------------------------------------
  53 // globals
  54 // ----------------------------------------------------------------------------
  55
  56 // list of all frames and modeless dialogs
  57 // wxWindowList wxModelessWindows;
  58
  59 // ----------------------------------------------------------------------------
  60 // wxTopLevelWindowX11 creation
  61 // ----------------------------------------------------------------------------
  62
  63 void wxTopLevelWindowX11::Init()
  64 {
  65     m_iconized =
  66     m_maximizeOnShow = FALSE;
  67
  68     // unlike (almost?) all other windows, frames are created hidden
  69     m_isShown = FALSE;
  70
  71     // Data to save/restore when calling ShowFullScreen
  72     m_fsStyle = 0;
  73     m_fsIsMaximized = FALSE;
  74     m_fsIsShowing = FALSE;
  75 }
  76
  77 bool wxTopLevelWindowX11::CreateDialog(const wxString& title,
  78                                        const wxPoint& pos,
  79                                        const wxSize& size)
  80 {
  81     // TODO
  82     return FALSE;
  83 }
  84
  85 bool wxTopLevelWindowX11::CreateFrame(const wxString& title,
  86                                       const wxPoint& pos,
  87                                       const wxSize& size)
  88 {
  89     // TODO
  90     return FALSE;
  91 }
  92
  93 bool wxTopLevelWindowX11::Create(wxWindow *parent,
  94                                  wxWindowID id,
  95                                  const wxString& title,
  96                                  const wxPoint& pos,
  97                                  const wxSize& size,
  98                                  long style,
  99                                  const wxString& name)
 100 {
 101     // init our fields
 102     Init();
 103
 104     m_windowStyle = style;
 105
 106     SetName(name);
 107
 108     m_windowId = id == -1 ? NewControlId() : id;
 109
 110     wxTopLevelWindows.Append(this);
 111
 112     Display *xdisplay = wxGlobalDisplay();
 113     int xscreen = DefaultScreen( xdisplay );
 114     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 115     Window xparent = RootWindow( xdisplay, xscreen );
 116
 117     XSetWindowAttributes xattributes;
 118     XSizeHints size_hints;
 119     XWMHints wm_hints;
 120
 121     long xattributes_mask =
 122         CWEventMask |
 123         CWBorderPixel | CWBackPixel;
 124     xattributes.background_pixel = BlackPixel( xdisplay, xscreen );
 125     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 126     xattributes.override_redirect = False;
 127
 128     Window xwindow = XCreateWindow( xdisplay, xparent, pos.x, pos.y, size.x, size.y,
 129        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 130
 131     XSelectInput( xdisplay, xwindow,
 132         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 133         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 134         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 135         PropertyChangeMask );
 136
 137     wxAddWindowToTable( xwindow, (wxWindow*) this );
 138
 139     XSetTransientForHint( xdisplay, xwindow, xparent );
 140
 141     size_hints.flags = PSize;
 142     size_hints.width = size.x;
 143     size_hints.height = size.y;
 144     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 145
 146     wm_hints.flags = InputHint | StateHint /* | WindowGroupHint */;
 147     wm_hints.input = True;
 148     wm_hints.initial_state = NormalState;
 149     XSetWMHints( xdisplay, xwindow, &wm_hints);
 150
 151     Atom wm_delete_window = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False);
 152     XSetWMProtocols( xdisplay, xwindow, &wm_delete_window, 1);
 153
 154 #if 0
 155     SetWMDecorations((Window) GetMainWindow(), style);
 156 #endif
 157
 158     SetTitle(title);
 159
 160     return TRUE;
 161 }
 162
 163 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 164 {
 165     wxTopLevelWindows.DeleteObject(this);
 166
 167     if ( wxModelessWindows.Find(this) )
 168         wxModelessWindows.DeleteObject(this);
 169
 170     // If this is the last top-level window, exit.
 171     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 172     {
 173         wxTheApp->SetTopWindow(NULL);
 174
 175         if (wxTheApp->GetExitOnFrameDelete())
 176         {
 177             // Signal to the app that we're going to close
 178             wxTheApp->ExitMainLoop();
 179         }
 180     }
 181 }
 182
 183 // ----------------------------------------------------------------------------
 184 // wxTopLevelWindowX11 showing
 185 // ----------------------------------------------------------------------------
 186
 187 bool wxTopLevelWindowX11::Show(bool show)
 188 {
 189     if ( !wxWindowBase::Show(show) )
 190         return FALSE;
 191
 192     return wxWindowX11::Show(show);
 193 }
 194
 195 // ----------------------------------------------------------------------------
 196 // wxTopLevelWindowX11 maximize/minimize
 197 // ----------------------------------------------------------------------------
 198
 199 void wxTopLevelWindowX11::Maximize(bool maximize)
 200 {
 201     // TODO
 202 }
 203
 204 bool wxTopLevelWindowX11::IsMaximized() const
 205 {
 206     // TODO
 207     return TRUE;
 208 }
 209
 210 void wxTopLevelWindowX11::Iconize(bool iconize)
 211 {
 212     if (!m_iconized && GetMainWindow())
 213     {
 214         if (XIconifyWindow(wxGlobalDisplay(),
 215             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 216             m_iconized = TRUE;
 217     }
 218 }
 219
 220 bool wxTopLevelWindowX11::IsIconized() const
 221 {
 222     return m_iconized;
 223 }
 224
 225 void wxTopLevelWindowX11::Restore()
 226 {
 227     // This is the way to deiconify the window, according to the X FAQ
 228     if (m_iconized && GetMainWindow())
 229     {
 230         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 231         m_iconized = FALSE;
 232     }
 233 }
 234
 235 // ----------------------------------------------------------------------------
 236 // wxTopLevelWindowX11 fullscreen
 237 // ----------------------------------------------------------------------------
 238
 239 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 240 {
 241     if (show)
 242     {
 243         if (IsFullScreen())
 244             return FALSE;
 245
 246         m_fsIsShowing = TRUE;
 247         m_fsStyle = style;
 248
 249         // TODO
 250
 251         return TRUE;
 252     }
 253     else
 254     {
 255         if (!IsFullScreen())
 256             return FALSE;
 257
 258         m_fsIsShowing = FALSE;
 259
 260         // TODO
 261         return TRUE;
 262     }
 263 }
 264
 265 // ----------------------------------------------------------------------------
 266 // wxTopLevelWindowX11 misc
 267 // ----------------------------------------------------------------------------
 268
 269 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 270 {
 271     // this sets m_icon
 272     wxTopLevelWindowBase::SetIcon(icon);
 273
 274     if (icon.Ok() && GetMainWindow())
 275     {
 276 #if 0
 277         XWMHints *wmHints = XAllocWMHints();
 278         wmHints.icon_pixmap = (Pixmap) icon.GetPixmap();
 279
 280         wmHints.flags = IconPixmapHint;
 281
 282         if (icon.GetMask())
 283         {
 284             wmHints.flags |= IconMaskHint;
 285             wmHints.icon_mask = (Pixmap) icon.GetMask()->GetPixmap();
 286         }
 287
 288         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(),
 289             wmHints);
 290         XFree(wmHints);
 291 #endif
 292     }
 293 }
 294
 295 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 296 {
 297     m_title = title;
 298     if (GetMainWindow())
 299     {
 300         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 301             (const char*) title);
 302         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 303             (const char*) title);
 304 #if 0
 305         XTextProperty textProperty;
 306         textProperty.value = (unsigned char*) title;
 307         textProperty.encoding = XA_STRING;
 308         textProperty.format = 8;
 309         textProperty.nitems = 1;
 310
 311         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 312             & textProperty, WM_NAME);
 313 #endif
 314     }
 315 }
 316
 317 wxString wxTopLevelWindowX11::GetTitle() const
 318 {
 319     return m_title;
 320 }
 321
 322 #ifndef MWM_DECOR_BORDER
 323 /* bit definitions for MwmHints.flags */
 324 #define MWM_HINTS_FUNCTIONS (1L << 0)
 325 #define MWM_HINTS_DECORATIONS (1L << 1)
 326 #define MWM_HINTS_INPUT_MODE (1L << 2)
 327 #define MWM_HINTS_STATUS (1L << 3)
 328
 329 #define MWM_DECOR_ALL           (1L << 0)
 330 #define MWM_DECOR_BORDER        (1L << 1)
 331 #define MWM_DECOR_RESIZEH       (1L << 2)
 332 #define MWM_DECOR_TITLE         (1L << 3)
 333 #define MWM_DECOR_MENU          (1L << 4)
 334 #define MWM_DECOR_MINIMIZE      (1L << 5)
 335 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 336 #endif
 337
 338 struct MwmHints {
 339     long flags;
 340     long functions;
 341     long decorations;
 342     long input_mode;
 343 };
 344
 345 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 346
 347 // Set the window manager decorations according to the
 348 // given wxWindows style
 349 #if 0
 350 static bool SetWMDecorations(Widget w, long style)
 351 {
 352     if (!MWMIsRunning(w))
 353         return FALSE;
 354
 355     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 356     MwmHints hints;
 357     hints.flags = 0;
 358     hints.decorations = 0;
 359
 360     if (style & wxRESIZE_BORDER)
 361     {
 362         hints.flags |= MWM_HINTS_DECORATIONS;
 363         hints.decorations |= MWM_DECOR_RESIZEH;
 364     }
 365
 366     if (style & wxSYSTEM_MENU)
 367     {
 368         hints.flags |= MWM_HINTS_DECORATIONS;
 369         hints.decorations |= MWM_DECOR_MENU;
 370     }
 371
 372     if ((style & wxCAPTION) ||
 373         (style & wxTINY_CAPTION_HORIZ) ||
 374         (style & wxTINY_CAPTION_VERT))
 375     {
 376         hints.flags |= MWM_HINTS_DECORATIONS;
 377         hints.decorations |= MWM_DECOR_TITLE;
 378     }
 379
 380     if (style & wxTHICK_FRAME)
 381     {
 382         hints.flags |= MWM_HINTS_DECORATIONS;
 383         hints.decorations |= MWM_DECOR_BORDER;
 384     }
 385
 386     if (style & wxTHICK_FRAME)
 387     {
 388         hints.flags |= MWM_HINTS_DECORATIONS;
 389         hints.decorations |= MWM_DECOR_BORDER;
 390     }
 391
 392     if (style & wxMINIMIZE_BOX)
 393     {
 394         hints.flags |= MWM_HINTS_DECORATIONS;
 395         hints.decorations |= MWM_DECOR_MINIMIZE;
 396     }
 397
 398     if (style & wxMAXIMIZE_BOX)
 399     {
 400         hints.flags |= MWM_HINTS_DECORATIONS;
 401         hints.decorations |= MWM_DECOR_MAXIMIZE;
 402     }
 403
 404     XChangeProperty(wxGlobalDisplay(),
 405                     w,
 406                     mwm_wm_hints, mem_wm_hints,
 407                     32, PropModeReplace,
 408                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 409
 410     return TRUE;
 411 }
 412 #endif
 413
 414 static bool MWMIsRunning(Window w)
 415 {
 416     Display *dpy = (Display*)wxGetDisplay();
 417     Atom motifWmInfo = XInternAtom(dpy, "_MOTIF_WM_INFO", False);
 418
 419     unsigned long length, bytesafter;
 420     unsigned char value[20];
 421     unsigned char *ptr = &value[0];
 422     int ret, format;
 423     Atom type;
 424
 425     type = format = length = 0;
 426     value[0] = 0;
 427
 428     ret = XGetWindowProperty(wxGlobalDisplay(), w, motifWmInfo,
 429             0L, 2, False, motifWmInfo,
 430             &type, &format, &length, &bytesafter, &ptr);
 431
 432     return (ret == Success);
 433 }
 434