| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/toplevel.cpp |
| 3 | // Purpose: wxTopLevelWindow Motif implementation |
| 4 | // Author: Mattia Barbon |
| 5 | // Modified by: |
| 6 | // Created: 12/10/2002 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Mattia Barbon |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #include "wx/toplevel.h" |
| 24 | #include "wx/app.h" |
| 25 | |
| 26 | #ifdef __VMS__ |
| 27 | #define XtDisplay XTDISPLAY |
| 28 | #define XtParent XTPARENT |
| 29 | #define XtScreen XTSCREEN |
| 30 | #define XtWindow XTWINDOW |
| 31 | #pragma message disable nosimpint |
| 32 | #endif |
| 33 | |
| 34 | #include <Xm/Xm.h> |
| 35 | #include <X11/Shell.h> |
| 36 | #include <X11/Core.h> |
| 37 | #if XmVersion >= 1002 |
| 38 | #include <Xm/XmAll.h> |
| 39 | #else |
| 40 | #include <Xm/Frame.h> |
| 41 | #endif |
| 42 | |
| 43 | #ifdef __VMS__ |
| 44 | #pragma message enable nosimpint |
| 45 | #endif |
| 46 | |
| 47 | #include "wx/motif/private.h" |
| 48 | |
| 49 | wxList wxModelessWindows; // Frames and modeless dialogs |
| 50 | |
| 51 | // --------------------------------------------------------------------------- |
| 52 | // Callbacks |
| 53 | // --------------------------------------------------------------------------- |
| 54 | |
| 55 | static void wxCloseTLWCallback( Widget widget, XtPointer client_data, |
| 56 | XmAnyCallbackStruct *cbs ); |
| 57 | static void wxTLWEventHandler( Widget wid, |
| 58 | XtPointer client_data, |
| 59 | XEvent* event, |
| 60 | Boolean *continueToDispatch ); |
| 61 | |
| 62 | // =========================================================================== |
| 63 | // wxTopLevelWindowMotif implementation |
| 64 | // =========================================================================== |
| 65 | |
| 66 | void wxTopLevelWindowMotif::PreDestroy() |
| 67 | { |
| 68 | wxModelessWindows.DeleteObject(this); |
| 69 | |
| 70 | m_icons.m_icons.Empty(); |
| 71 | |
| 72 | DestroyChildren(); |
| 73 | |
| 74 | // MessageDialog and FileDialog do not have a client widget |
| 75 | if( GetClientWidget() ) |
| 76 | { |
| 77 | XtRemoveEventHandler( (Widget)GetClientWidget(), |
| 78 | ButtonPressMask | ButtonReleaseMask | |
| 79 | PointerMotionMask | KeyPressMask, |
| 80 | False, |
| 81 | wxTLWEventHandler, |
| 82 | (XtPointer)this ); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | wxTopLevelWindowMotif::~wxTopLevelWindowMotif() |
| 87 | { |
| 88 | SetMainWidget( (WXWidget)0 ); |
| 89 | } |
| 90 | |
| 91 | void wxTopLevelWindowMotif::Init() |
| 92 | { |
| 93 | m_isShown = false; |
| 94 | } |
| 95 | |
| 96 | bool wxTopLevelWindowMotif::Create( wxWindow *parent, wxWindowID id, |
| 97 | const wxString& title, |
| 98 | const wxPoint& pos, |
| 99 | const wxSize& size, |
| 100 | long style, |
| 101 | const wxString& name ) |
| 102 | { |
| 103 | SetName(name); |
| 104 | m_windowStyle = style; |
| 105 | |
| 106 | if ( parent ) |
| 107 | parent->AddChild(this); |
| 108 | |
| 109 | wxTopLevelWindows.Append(this); |
| 110 | |
| 111 | m_windowId = ( id > -1 ) ? id : NewControlId(); |
| 112 | |
| 113 | bool retval = XmDoCreateTLW( parent, id, title, pos, size, style, name ); |
| 114 | |
| 115 | if( !retval ) return false; |
| 116 | |
| 117 | // Intercept CLOSE messages from the window manager |
| 118 | Widget shell = (Widget)GetShellWidget(); |
| 119 | Atom WM_DELETE_WINDOW = XmInternAtom( XtDisplay( shell ), |
| 120 | "WM_DELETE_WINDOW", False ); |
| 121 | |
| 122 | // Remove and add WM_DELETE_WINDOW so ours is only handler |
| 123 | // This only appears to be necessary for wxDialog, but does not hurt |
| 124 | // for wxFrame |
| 125 | XmRemoveWMProtocols( shell, &WM_DELETE_WINDOW, 1 ); |
| 126 | XmAddWMProtocols( shell, &WM_DELETE_WINDOW, 1 ); |
| 127 | XmActivateWMProtocol( shell, WM_DELETE_WINDOW ); |
| 128 | |
| 129 | // Modified Steve Hammes for Motif 2.0 |
| 130 | #if (XmREVISION > 1 || XmVERSION > 1) |
| 131 | XmAddWMProtocolCallback( shell, WM_DELETE_WINDOW, |
| 132 | (XtCallbackProc)wxCloseTLWCallback, |
| 133 | (XtPointer)this ); |
| 134 | #elif XmREVISION == 1 |
| 135 | XmAddWMProtocolCallback( shell, WM_DELETE_WINDOW, |
| 136 | (XtCallbackProc)wxCloseTLWCallback, |
| 137 | (caddr_t)this ); |
| 138 | #else |
| 139 | XmAddWMProtocolCallback( shell, WM_DELETE_WINDOW, |
| 140 | (void (*)())wxCloseTLWCallback, (caddr_t)this ); |
| 141 | #endif |
| 142 | |
| 143 | // This patch come from Torsten Liermann lier@lier1.muc.de |
| 144 | if( XmIsMotifWMRunning( shell ) ) |
| 145 | { |
| 146 | int decor = 0 ; |
| 147 | if( !(m_windowStyle & wxNO_BORDER) ) |
| 148 | decor |= MWM_DECOR_BORDER; |
| 149 | if( m_windowStyle & wxRESIZE_BORDER ) |
| 150 | decor |= MWM_DECOR_RESIZEH; |
| 151 | if( m_windowStyle & wxSYSTEM_MENU ) |
| 152 | decor |= MWM_DECOR_MENU; |
| 153 | if( ( m_windowStyle & wxCAPTION ) || |
| 154 | ( m_windowStyle & wxTINY_CAPTION_HORIZ ) || |
| 155 | ( m_windowStyle & wxTINY_CAPTION_VERT ) ) |
| 156 | decor |= MWM_DECOR_TITLE; |
| 157 | if( m_windowStyle & wxTHICK_FRAME ) |
| 158 | decor |= MWM_DECOR_BORDER; |
| 159 | if( m_windowStyle & wxMINIMIZE_BOX ) |
| 160 | decor |= MWM_DECOR_MINIMIZE; |
| 161 | if( m_windowStyle & wxMAXIMIZE_BOX ) |
| 162 | decor |= MWM_DECOR_MAXIMIZE; |
| 163 | |
| 164 | XtVaSetValues( shell, |
| 165 | XmNmwmDecorations, decor, |
| 166 | NULL ); |
| 167 | } |
| 168 | else |
| 169 | { |
| 170 | // This allows non-Motif window managers to support at least the |
| 171 | // no-decorations case. |
| 172 | if( ( m_windowStyle & wxCAPTION ) != wxCAPTION ) |
| 173 | XtVaSetValues( shell, |
| 174 | XmNoverrideRedirect, True, |
| 175 | NULL ); |
| 176 | } |
| 177 | |
| 178 | XtAddEventHandler( (Widget)GetClientWidget(), |
| 179 | ButtonPressMask | ButtonReleaseMask | |
| 180 | PointerMotionMask | KeyPressMask, |
| 181 | False, |
| 182 | wxTLWEventHandler, |
| 183 | (XtPointer)this ); |
| 184 | |
| 185 | return retval; |
| 186 | } |
| 187 | |
| 188 | void wxTopLevelWindowMotif::DoGetPosition(int *x, int *y) const |
| 189 | { |
| 190 | Widget top = (Widget) GetTopWidget(); |
| 191 | Window parent_window = XtWindow((Widget) top), |
| 192 | next_parent = XtWindow((Widget) top), |
| 193 | root = RootWindowOfScreen(XtScreen((Widget) top)); |
| 194 | |
| 195 | // search for the parent that is child of ROOT, because the WM may |
| 196 | // reparent twice and notify only the next parent (like FVWM) |
| 197 | while (next_parent != root) { |
| 198 | Window *theChildren; unsigned int n; |
| 199 | parent_window = next_parent; |
| 200 | XQueryTree(XtDisplay((Widget) top), parent_window, &root, |
| 201 | &next_parent, &theChildren, &n); |
| 202 | XFree(theChildren); // not needed |
| 203 | } |
| 204 | int xx, yy; unsigned int dummy; |
| 205 | XGetGeometry(XtDisplay((Widget) top), parent_window, &root, |
| 206 | &xx, &yy, &dummy, &dummy, &dummy, &dummy); |
| 207 | if (x) *x = xx; |
| 208 | if (y) *y = yy; |
| 209 | } |
| 210 | |
| 211 | void wxTopLevelWindowMotif::Raise() |
| 212 | { |
| 213 | Widget top = (Widget) GetTopWidget(); |
| 214 | Window parent_window = XtWindow( top ), |
| 215 | next_parent = XtWindow( top ), |
| 216 | root = RootWindowOfScreen( XtScreen( top ) ); |
| 217 | // search for the parent that is child of ROOT, because the WM may |
| 218 | // reparent twice and notify only the next parent (like FVWM) |
| 219 | while( next_parent != root ) |
| 220 | { |
| 221 | Window *theChildren; |
| 222 | unsigned int n; |
| 223 | |
| 224 | parent_window = next_parent; |
| 225 | XQueryTree( XtDisplay( top ), parent_window, &root, |
| 226 | &next_parent, &theChildren, &n ); |
| 227 | XFree( theChildren ); // not needed |
| 228 | } |
| 229 | XRaiseWindow( XtDisplay( top ), parent_window ); |
| 230 | } |
| 231 | |
| 232 | void wxTopLevelWindowMotif::Lower() |
| 233 | { |
| 234 | Widget top = (Widget) GetTopWidget(); |
| 235 | Window parent_window = XtWindow( top ), |
| 236 | next_parent = XtWindow( top ), |
| 237 | root = RootWindowOfScreen( XtScreen( top ) ); |
| 238 | // search for the parent that is child of ROOT, because the WM may |
| 239 | // reparent twice and notify only the next parent (like FVWM) |
| 240 | while( next_parent != root ) |
| 241 | { |
| 242 | Window *theChildren; |
| 243 | unsigned int n; |
| 244 | |
| 245 | parent_window = next_parent; |
| 246 | XQueryTree( XtDisplay( top ), parent_window, &root, |
| 247 | &next_parent, &theChildren, &n ); |
| 248 | XFree( theChildren ); // not needed |
| 249 | } |
| 250 | XLowerWindow( XtDisplay( top ), parent_window ); |
| 251 | } |
| 252 | |
| 253 | static inline Widget GetShell( const wxTopLevelWindowMotif* tlw ) |
| 254 | { |
| 255 | Widget main = (Widget) tlw->GetMainWidget(); |
| 256 | if( !main ) return (Widget) NULL; |
| 257 | |
| 258 | return XtParent( main ); |
| 259 | } |
| 260 | |
| 261 | WXWidget wxTopLevelWindowMotif::GetShellWidget() const |
| 262 | { |
| 263 | return (WXWidget) GetShell( this ); |
| 264 | } |
| 265 | |
| 266 | bool wxTopLevelWindowMotif::ShowFullScreen( bool WXUNUSED(show), |
| 267 | long WXUNUSED(style) ) |
| 268 | { |
| 269 | // TODO, see wxGTK |
| 270 | return false; |
| 271 | } |
| 272 | |
| 273 | bool wxTopLevelWindowMotif::IsFullScreen() const |
| 274 | { |
| 275 | // TODO, see wxGTK |
| 276 | return false; |
| 277 | } |
| 278 | |
| 279 | void wxTopLevelWindowMotif::Restore() |
| 280 | { |
| 281 | Widget shell = GetShell( this ); |
| 282 | |
| 283 | if( shell ) |
| 284 | XtVaSetValues( shell, |
| 285 | XmNiconic, False, |
| 286 | NULL ); |
| 287 | } |
| 288 | |
| 289 | void wxTopLevelWindowMotif::Iconize( bool iconize ) |
| 290 | { |
| 291 | Widget shell = GetShell( this ); |
| 292 | if( !shell ) return; |
| 293 | |
| 294 | if( !iconize ) |
| 295 | Show( true ); |
| 296 | |
| 297 | XtVaSetValues( shell, |
| 298 | XmNiconic, (Boolean)iconize, |
| 299 | NULL ); |
| 300 | } |
| 301 | |
| 302 | bool wxTopLevelWindowMotif::IsIconized() const |
| 303 | { |
| 304 | Widget shell = GetShell( this ); |
| 305 | |
| 306 | if( !shell ) |
| 307 | return false; |
| 308 | |
| 309 | Boolean iconic; |
| 310 | XtVaGetValues( shell, |
| 311 | XmNiconic, &iconic, |
| 312 | NULL ); |
| 313 | |
| 314 | return (iconic == True); |
| 315 | } |
| 316 | |
| 317 | void wxTopLevelWindowMotif::Maximize( bool maximize ) |
| 318 | { |
| 319 | Show( true ); |
| 320 | |
| 321 | if( maximize ) |
| 322 | Restore(); |
| 323 | } |
| 324 | |
| 325 | bool wxTopLevelWindowMotif::IsMaximized() const |
| 326 | { |
| 327 | return false; |
| 328 | } |
| 329 | |
| 330 | void wxTopLevelWindowMotif::DoSetSizeHints( int minW, int minH, |
| 331 | int maxW, int maxH, |
| 332 | int incW, int incH ) |
| 333 | { |
| 334 | wxTopLevelWindowBase::DoSetSizeHints( minW, minH, maxW, maxH, incW, incH ); |
| 335 | |
| 336 | int count = 0; |
| 337 | Arg args[6]; |
| 338 | |
| 339 | if( minW > -1 ) { XtSetArg( args[count], XmNminWidth, minW ); ++count; } |
| 340 | if( minH > -1 ) { XtSetArg( args[count], XmNminHeight, minH ); ++count; } |
| 341 | if( maxW > -1 ) { XtSetArg( args[count], XmNmaxWidth, maxW ); ++count; } |
| 342 | if( maxH > -1 ) { XtSetArg( args[count], XmNmaxHeight, maxH ); ++count; } |
| 343 | if( incW > -1 ) { XtSetArg( args[count], XmNwidthInc, incW ); ++count; } |
| 344 | if( incH > -1 ) { XtSetArg( args[count], XmNheightInc, incH ); ++count; } |
| 345 | |
| 346 | XtSetValues( (Widget)GetShellWidget(), args, count ); |
| 347 | } |
| 348 | |
| 349 | bool wxTopLevelWindowMotif::SetShape( const wxRegion& region ) |
| 350 | { |
| 351 | return wxDoSetShape( (Display*)GetXDisplay(), |
| 352 | XtWindow( (Widget)GetShellWidget() ), |
| 353 | region ); |
| 354 | } |
| 355 | |
| 356 | // --------------------------------------------------------------------------- |
| 357 | // Callback definition |
| 358 | // --------------------------------------------------------------------------- |
| 359 | |
| 360 | // Handle a close event from the window manager |
| 361 | static void wxCloseTLWCallback( Widget WXUNUSED(widget), XtPointer client_data, |
| 362 | XmAnyCallbackStruct *WXUNUSED(cbs) ) |
| 363 | { |
| 364 | wxTopLevelWindowMotif* tlw = (wxTopLevelWindowMotif*)client_data; |
| 365 | wxCloseEvent closeEvent( wxEVT_CLOSE_WINDOW, tlw->GetId() ); |
| 366 | closeEvent.SetEventObject( tlw ); |
| 367 | |
| 368 | // May delete the dialog (with delayed deletion) |
| 369 | tlw->GetEventHandler()->ProcessEvent(closeEvent); |
| 370 | } |
| 371 | |
| 372 | void wxTLWEventHandler( Widget wid, |
| 373 | XtPointer WXUNUSED(client_data), |
| 374 | XEvent* event, |
| 375 | Boolean* continueToDispatch) |
| 376 | { |
| 377 | wxTopLevelWindowMotif* tlw = |
| 378 | (wxTopLevelWindowMotif*)wxGetWindowFromTable( wid ); |
| 379 | |
| 380 | if( tlw ) |
| 381 | { |
| 382 | wxMouseEvent wxevent( wxEVT_NULL ); |
| 383 | |
| 384 | if( wxTranslateMouseEvent( wxevent, tlw, wid, event ) ) |
| 385 | { |
| 386 | wxevent.SetEventObject( tlw ); |
| 387 | wxevent.SetId( tlw->GetId() ); |
| 388 | tlw->GetEventHandler()->ProcessEvent( wxevent ); |
| 389 | } |
| 390 | else |
| 391 | { |
| 392 | // An attempt to implement OnCharHook by calling OnCharHook first; |
| 393 | // if this returns true, set continueToDispatch to False |
| 394 | // (don't continue processing). |
| 395 | // Otherwise set it to True and call OnChar. |
| 396 | wxKeyEvent keyEvent( wxEVT_CHAR ); |
| 397 | if( wxTranslateKeyEvent( keyEvent, tlw, wid, event )) |
| 398 | { |
| 399 | keyEvent.SetEventObject( tlw ); |
| 400 | keyEvent.SetId( tlw->GetId() ); |
| 401 | keyEvent.SetEventType( wxEVT_CHAR_HOOK ); |
| 402 | if( tlw->GetEventHandler()->ProcessEvent( keyEvent ) ) |
| 403 | { |
| 404 | *continueToDispatch = False; |
| 405 | return; |
| 406 | } |
| 407 | else |
| 408 | { |
| 409 | // For simplicity, OnKeyDown is the same as OnChar |
| 410 | // TODO: filter modifier key presses from OnChar |
| 411 | keyEvent.SetEventType( wxEVT_KEY_DOWN ); |
| 412 | |
| 413 | // Only process OnChar if OnKeyDown didn't swallow it |
| 414 | if( !tlw->GetEventHandler()->ProcessEvent( keyEvent ) ) |
| 415 | { |
| 416 | keyEvent.SetEventType( wxEVT_CHAR ); |
| 417 | tlw->GetEventHandler()->ProcessEvent( keyEvent ); |
| 418 | } |
| 419 | } |
| 420 | } |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | *continueToDispatch = True; |
| 425 | } |
| 426 | |