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
  99     XSetWindowAttributes xattributes;
 100     XSizeHints size_hints;
 101     XWMHints wm_hints;
 102
 103     long xattributes_mask =
 104         CWOverrideRedirect |
 105         CWBorderPixel | CWBackPixel;
 106     xattributes.background_pixel = m_backgroundColour.GetPixel();
 107     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 108     xattributes.override_redirect = False;
 109
 110     Window xwindow = XCreateWindow( xdisplay, xparent, pos.x, pos.y, size.x, size.y,
 111        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 112     m_mainWidget = (WXWindow) xwindow;
 113
 114     XSelectInput( xdisplay, xwindow,
 115         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 116         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 117         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 118         PropertyChangeMask );
 119
 120     wxAddWindowToTable( xwindow, (wxWindow*) this );
 121
 122     XSetTransientForHint( xdisplay, xwindow, xparent );
 123
 124     size_hints.flags = PSize;
 125     size_hints.width = size.x;
 126     size_hints.height = size.y;
 127     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 128
 129     wm_hints.flags = InputHint | StateHint /* | WindowGroupHint */;
 130     wm_hints.input = True;
 131     wm_hints.initial_state = NormalState;
 132     XSetWMHints( xdisplay, xwindow, &wm_hints);
 133
 134     Atom wm_delete_window = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False);
 135     XSetWMProtocols( xdisplay, xwindow, &wm_delete_window, 1);
 136
 137     wxSetWMDecorations((Window) GetMainWindow(), style);
 138
 139     SetTitle(title);
 140
 141     return TRUE;
 142 }
 143
 144 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 145 {
 146     wxTopLevelWindows.DeleteObject(this);
 147
 148     // If this is the last top-level window, exit.
 149     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 150     {
 151         wxTheApp->SetTopWindow(NULL);
 152
 153         if (wxTheApp->GetExitOnFrameDelete())
 154         {
 155             // Signal to the app that we're going to close
 156             wxTheApp->ExitMainLoop();
 157         }
 158     }
 159 }
 160
 161 // ----------------------------------------------------------------------------
 162 // wxTopLevelWindowX11 showing
 163 // ----------------------------------------------------------------------------
 164
 165 bool wxTopLevelWindowX11::Show(bool show)
 166 {
 167     return wxWindowX11::Show(show);
 168 }
 169
 170 // ----------------------------------------------------------------------------
 171 // wxTopLevelWindowX11 maximize/minimize
 172 // ----------------------------------------------------------------------------
 173
 174 void wxTopLevelWindowX11::Maximize(bool maximize)
 175 {
 176     // TODO
 177 }
 178
 179 bool wxTopLevelWindowX11::IsMaximized() const
 180 {
 181     // TODO
 182     return TRUE;
 183 }
 184
 185 void wxTopLevelWindowX11::Iconize(bool iconize)
 186 {
 187     if (!m_iconized && GetMainWindow())
 188     {
 189         if (XIconifyWindow(wxGlobalDisplay(),
 190             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 191             m_iconized = TRUE;
 192     }
 193 }
 194
 195 bool wxTopLevelWindowX11::IsIconized() const
 196 {
 197     return m_iconized;
 198 }
 199
 200 void wxTopLevelWindowX11::Restore()
 201 {
 202     // This is the way to deiconify the window, according to the X FAQ
 203     if (m_iconized && GetMainWindow())
 204     {
 205         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 206         m_iconized = FALSE;
 207     }
 208 }
 209
 210 // ----------------------------------------------------------------------------
 211 // wxTopLevelWindowX11 fullscreen
 212 // ----------------------------------------------------------------------------
 213
 214 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 215 {
 216     if (show)
 217     {
 218         if (IsFullScreen())
 219             return FALSE;
 220
 221         m_fsIsShowing = TRUE;
 222         m_fsStyle = style;
 223
 224         // TODO
 225
 226         return TRUE;
 227     }
 228     else
 229     {
 230         if (!IsFullScreen())
 231             return FALSE;
 232
 233         m_fsIsShowing = FALSE;
 234
 235         // TODO
 236         return TRUE;
 237     }
 238 }
 239
 240 // ----------------------------------------------------------------------------
 241 // wxTopLevelWindowX11 misc
 242 // ----------------------------------------------------------------------------
 243
 244 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 245 {
 246     // this sets m_icon
 247     wxTopLevelWindowBase::SetIcon(icon);
 248
 249     if (icon.Ok() && GetMainWindow())
 250     {
 251         XWMHints *wmHints = XAllocWMHints();
 252         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 253
 254         wmHints->flags = IconPixmapHint;
 255
 256         if (icon.GetMask())
 257         {
 258             wmHints->flags |= IconMaskHint;
 259             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetPixmap();
 260         }
 261
 262         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 263         XFree(wmHints);
 264     }
 265 }
 266
 267 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 268 {
 269     m_title = title;
 270     if (GetMainWindow())
 271     {
 272         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 273             (const char*) title);
 274         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 275             (const char*) title);
 276
 277         // Use this if the platform doesn't supply the above functions.
 278 #if 0
 279         XTextProperty textProperty;
 280         textProperty.value = (unsigned char*) title;
 281         textProperty.encoding = XA_STRING;
 282         textProperty.format = 8;
 283         textProperty.nitems = 1;
 284
 285         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 286             & textProperty, WM_NAME);
 287 #endif
 288     }
 289 }
 290
 291 wxString wxTopLevelWindowX11::GetTitle() const
 292 {
 293     return m_title;
 294 }
 295
 296 #ifndef MWM_DECOR_BORDER
 297 /* bit definitions for MwmHints.flags */
 298 #define MWM_HINTS_FUNCTIONS (1L << 0)
 299 #define MWM_HINTS_DECORATIONS (1L << 1)
 300 #define MWM_HINTS_INPUT_MODE (1L << 2)
 301 #define MWM_HINTS_STATUS (1L << 3)
 302
 303 #define MWM_DECOR_ALL           (1L << 0)
 304 #define MWM_DECOR_BORDER        (1L << 1)
 305 #define MWM_DECOR_RESIZEH       (1L << 2)
 306 #define MWM_DECOR_TITLE         (1L << 3)
 307 #define MWM_DECOR_MENU          (1L << 4)
 308 #define MWM_DECOR_MINIMIZE      (1L << 5)
 309 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 310 #endif
 311
 312 struct MwmHints {
 313     long flags;
 314     long functions;
 315     long decorations;
 316     long input_mode;
 317 };
 318
 319 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 320
 321 // Set the window manager decorations according to the
 322 // given wxWindows style
 323 bool wxSetWMDecorations(Window w, long style)
 324 {
 325     if (!wxMWMIsRunning(w))
 326         return FALSE;
 327
 328     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 329     MwmHints hints;
 330     hints.flags = 0;
 331     hints.decorations = 0;
 332
 333     if (style & wxRESIZE_BORDER)
 334     {
 335         hints.flags |= MWM_HINTS_DECORATIONS;
 336         hints.decorations |= MWM_DECOR_RESIZEH;
 337     }
 338
 339     if (style & wxSYSTEM_MENU)
 340     {
 341         hints.flags |= MWM_HINTS_DECORATIONS;
 342         hints.decorations |= MWM_DECOR_MENU;
 343     }
 344
 345     if ((style & wxCAPTION) ||
 346         (style & wxTINY_CAPTION_HORIZ) ||
 347         (style & wxTINY_CAPTION_VERT))
 348     {
 349         hints.flags |= MWM_HINTS_DECORATIONS;
 350         hints.decorations |= MWM_DECOR_TITLE;
 351     }
 352
 353     if (style & wxTHICK_FRAME)
 354     {
 355         hints.flags |= MWM_HINTS_DECORATIONS;
 356         hints.decorations |= MWM_DECOR_BORDER;
 357     }
 358
 359     if (style & wxTHICK_FRAME)
 360     {
 361         hints.flags |= MWM_HINTS_DECORATIONS;
 362         hints.decorations |= MWM_DECOR_BORDER;
 363     }
 364
 365     if (style & wxMINIMIZE_BOX)
 366     {
 367         hints.flags |= MWM_HINTS_DECORATIONS;
 368         hints.decorations |= MWM_DECOR_MINIMIZE;
 369     }
 370
 371     if (style & wxMAXIMIZE_BOX)
 372     {
 373         hints.flags |= MWM_HINTS_DECORATIONS;
 374         hints.decorations |= MWM_DECOR_MAXIMIZE;
 375     }
 376
 377     XChangeProperty(wxGlobalDisplay(),
 378                     w,
 379                     mwm_wm_hints, mwm_wm_hints,
 380                     32, PropModeReplace,
 381                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 382
 383     return TRUE;
 384 }
 385
 386 bool wxMWMIsRunning(Window w)
 387 {
 388     Display *dpy = (Display*)wxGetDisplay();
 389     Atom motifWmInfo = XInternAtom(dpy, "_MOTIF_WM_INFO", False);
 390
 391     unsigned long length, bytesafter;
 392     unsigned char value[20];
 393     unsigned char *ptr = &value[0];
 394     int ret, format;
 395     Atom type;
 396
 397     type = format = length = 0;
 398     value[0] = 0;
 399
 400     ret = XGetWindowProperty(wxGlobalDisplay(), w, motifWmInfo,
 401             0L, 2, False, motifWmInfo,
 402             &type, &format, &length, &bytesafter, &ptr);
 403
 404     return (ret == Success);
 405 }
 406
 407 // For implementation purposes - sometimes decorations make the client area
 408 // smaller
 409 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 410 {
 411     // In fact wxFrame::GetClientAreaOrigin
 412     // does the required calculation already.
 413 #if 0
 414     if (this->IsKindOf(CLASSINFO(wxFrame)))
 415     {
 416         wxFrame* frame = (wxFrame*) this;
 417         if (frame->GetMenuBar())
 418             return wxPoint(0, frame->GetMenuBar()->GetSize().y);
 419     }
 420 #endif
 421     return wxPoint(0, 0);
 422 }
 423
 424 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 425 {
 426     wxWindowX11::DoGetClientSize(width, height);
 427     // Done by wxTopLevelWindow
 428 #if 0
 429     if (this->IsKindOf(CLASSINFO(wxFrame)))
 430     {
 431         wxFrame* frame = (wxFrame*) this;
 432         if (frame->GetMenuBar())
 433             (*height) -= frame->GetMenuBar()->GetSize().y;
 434         if (frame->GetStatusBar())
 435             (*height) -= frame->GetStatusBar()->GetSize().y;
 436     }
 437 #endif
 438 }
 439
 440 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 441 {
 442     wxWindowX11::DoSetClientSize(width, height);
 443 #if 0
 444     if (!GetMainWindow())
 445         return;
 446
 447     XWindowChanges windowChanges;
 448     int valueMask = 0;
 449
 450     if (width != -1)
 451     {
 452         windowChanges.width = width ;
 453         valueMask |= CWWidth;
 454     }
 455     if (height != -1)
 456     {
 457         windowChanges.height = height ;
 458         valueMask |= CWHeight;
 459     }
 460     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 461         valueMask, & windowChanges);
 462 #endif
 463 }