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     xattributes.override_redirect = False;
 110
 111     Window xwindow = XCreateWindow( xdisplay, xparent, pos.x, pos.y, size.x, size.y,
 112        0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 113     m_mainWidget = (WXWindow) xwindow;
 114
 115     XSelectInput( xdisplay, xwindow,
 116         ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 117         ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 118         KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 119         PropertyChangeMask );
 120
 121     wxAddWindowToTable( xwindow, (wxWindow*) this );
 122
 123     XSetTransientForHint( xdisplay, xwindow, xparent );
 124
 125     size_hints.flags = PSize;
 126     size_hints.width = size.x;
 127     size_hints.height = size.y;
 128     XSetWMNormalHints( xdisplay, xwindow, &size_hints);
 129
 130     wm_hints.flags = InputHint | StateHint /* | WindowGroupHint */;
 131     wm_hints.input = True;
 132     wm_hints.initial_state = NormalState;
 133     XSetWMHints( xdisplay, xwindow, &wm_hints);
 134
 135     Atom wm_delete_window = XInternAtom( xdisplay, "WM_DELETE_WINDOW", False);
 136     XSetWMProtocols( xdisplay, xwindow, &wm_delete_window, 1);
 137
 138     wxSetWMDecorations((Window) GetMainWindow(), style);
 139
 140     SetTitle(title);
 141
 142     return TRUE;
 143 }
 144
 145 wxTopLevelWindowX11::~wxTopLevelWindowX11()
 146 {
 147     wxTopLevelWindows.DeleteObject(this);
 148
 149     // If this is the last top-level window, exit.
 150     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 151     {
 152         wxTheApp->SetTopWindow(NULL);
 153
 154         if (wxTheApp->GetExitOnFrameDelete())
 155         {
 156             // Signal to the app that we're going to close
 157             wxTheApp->ExitMainLoop();
 158         }
 159     }
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // wxTopLevelWindowX11 showing
 164 // ----------------------------------------------------------------------------
 165
 166 bool wxTopLevelWindowX11::Show(bool show)
 167 {
 168     return wxWindowX11::Show(show);
 169 }
 170
 171 // ----------------------------------------------------------------------------
 172 // wxTopLevelWindowX11 maximize/minimize
 173 // ----------------------------------------------------------------------------
 174
 175 void wxTopLevelWindowX11::Maximize(bool maximize)
 176 {
 177     // TODO
 178 }
 179
 180 bool wxTopLevelWindowX11::IsMaximized() const
 181 {
 182     // TODO
 183     return TRUE;
 184 }
 185
 186 void wxTopLevelWindowX11::Iconize(bool iconize)
 187 {
 188     if (!m_iconized && GetMainWindow())
 189     {
 190         if (XIconifyWindow(wxGlobalDisplay(),
 191             (Window) GetMainWindow(), DefaultScreen(wxGlobalDisplay())) != 0)
 192             m_iconized = TRUE;
 193     }
 194 }
 195
 196 bool wxTopLevelWindowX11::IsIconized() const
 197 {
 198     return m_iconized;
 199 }
 200
 201 void wxTopLevelWindowX11::Restore()
 202 {
 203     // This is the way to deiconify the window, according to the X FAQ
 204     if (m_iconized && GetMainWindow())
 205     {
 206         XMapWindow(wxGlobalDisplay(), (Window) GetMainWindow());
 207         m_iconized = FALSE;
 208     }
 209 }
 210
 211 // ----------------------------------------------------------------------------
 212 // wxTopLevelWindowX11 fullscreen
 213 // ----------------------------------------------------------------------------
 214
 215 bool wxTopLevelWindowX11::ShowFullScreen(bool show, long style)
 216 {
 217     if (show)
 218     {
 219         if (IsFullScreen())
 220             return FALSE;
 221
 222         m_fsIsShowing = TRUE;
 223         m_fsStyle = style;
 224
 225         // TODO
 226
 227         return TRUE;
 228     }
 229     else
 230     {
 231         if (!IsFullScreen())
 232             return FALSE;
 233
 234         m_fsIsShowing = FALSE;
 235
 236         // TODO
 237         return TRUE;
 238     }
 239 }
 240
 241 // ----------------------------------------------------------------------------
 242 // wxTopLevelWindowX11 misc
 243 // ----------------------------------------------------------------------------
 244
 245 void wxTopLevelWindowX11::SetIcon(const wxIcon& icon)
 246 {
 247     // this sets m_icon
 248     wxTopLevelWindowBase::SetIcon(icon);
 249
 250     if (icon.Ok() && GetMainWindow())
 251     {
 252         XWMHints *wmHints = XAllocWMHints();
 253         wmHints->icon_pixmap = (Pixmap) icon.GetPixmap();
 254
 255         wmHints->flags = IconPixmapHint;
 256
 257         if (icon.GetMask())
 258         {
 259             wmHints->flags |= IconMaskHint;
 260             wmHints->icon_mask = (Pixmap) icon.GetMask()->GetPixmap();
 261         }
 262
 263         XSetWMHints(wxGlobalDisplay(), (Window) GetMainWindow(), wmHints);
 264         XFree(wmHints);
 265     }
 266 }
 267
 268 void wxTopLevelWindowX11::SetTitle(const wxString& title)
 269 {
 270     m_title = title;
 271     if (GetMainWindow())
 272     {
 273         XStoreName(wxGlobalDisplay(), (Window) GetMainWindow(),
 274             (const char*) title);
 275         XSetIconName(wxGlobalDisplay(), (Window) GetMainWindow(),
 276             (const char*) title);
 277
 278         // Use this if the platform doesn't supply the above functions.
 279 #if 0
 280         XTextProperty textProperty;
 281         textProperty.value = (unsigned char*) title;
 282         textProperty.encoding = XA_STRING;
 283         textProperty.format = 8;
 284         textProperty.nitems = 1;
 285
 286         XSetTextProperty(wxGlobalDisplay(), (Window) GetMainWindow(),
 287             & textProperty, WM_NAME);
 288 #endif
 289     }
 290 }
 291
 292 wxString wxTopLevelWindowX11::GetTitle() const
 293 {
 294     return m_title;
 295 }
 296
 297 #ifndef MWM_DECOR_BORDER
 298 /* bit definitions for MwmHints.flags */
 299 #define MWM_HINTS_FUNCTIONS (1L << 0)
 300 #define MWM_HINTS_DECORATIONS (1L << 1)
 301 #define MWM_HINTS_INPUT_MODE (1L << 2)
 302 #define MWM_HINTS_STATUS (1L << 3)
 303
 304 #define MWM_DECOR_ALL           (1L << 0)
 305 #define MWM_DECOR_BORDER        (1L << 1)
 306 #define MWM_DECOR_RESIZEH       (1L << 2)
 307 #define MWM_DECOR_TITLE         (1L << 3)
 308 #define MWM_DECOR_MENU          (1L << 4)
 309 #define MWM_DECOR_MINIMIZE      (1L << 5)
 310 #define MWM_DECOR_MAXIMIZE      (1L << 6)
 311 #endif
 312
 313 struct MwmHints {
 314     long flags;
 315     long functions;
 316     long decorations;
 317     long input_mode;
 318 };
 319
 320 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
 321
 322 // Set the window manager decorations according to the
 323 // given wxWindows style
 324 bool wxSetWMDecorations(Window w, long style)
 325 {
 326     if (!wxMWMIsRunning(w))
 327         return FALSE;
 328
 329     Atom mwm_wm_hints = XInternAtom(wxGlobalDisplay(),"_MOTIF_WM_HINTS", False);
 330     MwmHints hints;
 331     hints.flags = 0;
 332     hints.decorations = 0;
 333
 334     if (style & wxRESIZE_BORDER)
 335     {
 336         hints.flags |= MWM_HINTS_DECORATIONS;
 337         hints.decorations |= MWM_DECOR_RESIZEH;
 338     }
 339
 340     if (style & wxSYSTEM_MENU)
 341     {
 342         hints.flags |= MWM_HINTS_DECORATIONS;
 343         hints.decorations |= MWM_DECOR_MENU;
 344     }
 345
 346     if ((style & wxCAPTION) ||
 347         (style & wxTINY_CAPTION_HORIZ) ||
 348         (style & wxTINY_CAPTION_VERT))
 349     {
 350         hints.flags |= MWM_HINTS_DECORATIONS;
 351         hints.decorations |= MWM_DECOR_TITLE;
 352     }
 353
 354     if (style & wxTHICK_FRAME)
 355     {
 356         hints.flags |= MWM_HINTS_DECORATIONS;
 357         hints.decorations |= MWM_DECOR_BORDER;
 358     }
 359
 360     if (style & wxTHICK_FRAME)
 361     {
 362         hints.flags |= MWM_HINTS_DECORATIONS;
 363         hints.decorations |= MWM_DECOR_BORDER;
 364     }
 365
 366     if (style & wxMINIMIZE_BOX)
 367     {
 368         hints.flags |= MWM_HINTS_DECORATIONS;
 369         hints.decorations |= MWM_DECOR_MINIMIZE;
 370     }
 371
 372     if (style & wxMAXIMIZE_BOX)
 373     {
 374         hints.flags |= MWM_HINTS_DECORATIONS;
 375         hints.decorations |= MWM_DECOR_MAXIMIZE;
 376     }
 377
 378     XChangeProperty(wxGlobalDisplay(),
 379                     w,
 380                     mwm_wm_hints, mwm_wm_hints,
 381                     32, PropModeReplace,
 382                     (unsigned char *) &hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
 383
 384     return TRUE;
 385 }
 386
 387 bool wxMWMIsRunning(Window w)
 388 {
 389     Display *dpy = (Display*)wxGetDisplay();
 390     Atom motifWmInfo = XInternAtom(dpy, "_MOTIF_WM_INFO", False);
 391
 392     unsigned long length, bytesafter;
 393     unsigned char value[20];
 394     unsigned char *ptr = &value[0];
 395     int ret, format;
 396     Atom type;
 397
 398     type = format = length = 0;
 399     value[0] = 0;
 400
 401     ret = XGetWindowProperty(wxGlobalDisplay(), w, motifWmInfo,
 402             0L, 2, False, motifWmInfo,
 403             &type, &format, &length, &bytesafter, &ptr);
 404
 405     return (ret == Success);
 406 }
 407
 408 // For implementation purposes - sometimes decorations make the client area
 409 // smaller
 410 wxPoint wxTopLevelWindowX11::GetClientAreaOrigin() const
 411 {
 412     // In fact wxFrame::GetClientAreaOrigin
 413     // does the required calculation already.
 414 #if 0
 415     if (this->IsKindOf(CLASSINFO(wxFrame)))
 416     {
 417         wxFrame* frame = (wxFrame*) this;
 418         if (frame->GetMenuBar())
 419             return wxPoint(0, frame->GetMenuBar()->GetSize().y);
 420     }
 421 #endif
 422     return wxPoint(0, 0);
 423 }
 424
 425 void wxTopLevelWindowX11::DoGetClientSize( int *width, int *height ) const
 426 {
 427     wxWindowX11::DoGetClientSize(width, height);
 428     // Done by wxTopLevelWindow
 429 #if 0
 430     if (this->IsKindOf(CLASSINFO(wxFrame)))
 431     {
 432         wxFrame* frame = (wxFrame*) this;
 433         if (frame->GetMenuBar())
 434             (*height) -= frame->GetMenuBar()->GetSize().y;
 435         if (frame->GetStatusBar())
 436             (*height) -= frame->GetStatusBar()->GetSize().y;
 437     }
 438 #endif
 439 }
 440
 441 void wxTopLevelWindowX11::DoSetClientSize(int width, int height)
 442 {
 443     wxWindowX11::DoSetClientSize(width, height);
 444 #if 0
 445     if (!GetMainWindow())
 446         return;
 447
 448     XWindowChanges windowChanges;
 449     int valueMask = 0;
 450
 451     if (width != -1)
 452     {
 453         windowChanges.width = width ;
 454         valueMask |= CWWidth;
 455     }
 456     if (height != -1)
 457     {
 458         windowChanges.height = height ;
 459         valueMask |= CWHeight;
 460     }
 461     XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
 462         valueMask, & windowChanges);
 463 #endif
 464 }