src/gtk/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "frame.h"
  12 #endif
  13
  14 #include "wx/frame.h"
  15 #include "wx/dialog.h"
  16 #include "wx/control.h"
  17 #include "wx/app.h"
  18 #include "wx/menu.h"
  19 #include "wx/toolbar.h"
  20 #include "wx/statusbr.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/gtk/win_gtk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // constants
  26 //-----------------------------------------------------------------------------
  27
  28 const int wxMENU_HEIGHT    = 30;
  29 const int wxSTATUS_HEIGHT  = 25;
  30
  31 //-----------------------------------------------------------------------------
  32 // data
  33 //-----------------------------------------------------------------------------
  34
  35 extern wxList wxTopLevelWindows;
  36 extern wxList wxPendingDelete;
  37
  38 //-----------------------------------------------------------------------------
  39 // "size_allocate"
  40 //-----------------------------------------------------------------------------
  41
  42 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  43 {
  44     if (!win->HasVMT()) return;
  45
  46 /*
  47     printf( "OnFrameResize from " );
  48     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  49         printf( win->GetClassInfo()->GetClassName() );
  50     printf( ".\n" );
  51 */
  52
  53     win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
  54 }
  55
  56 //-----------------------------------------------------------------------------
  57 // "delete_event"
  58 //-----------------------------------------------------------------------------
  59
  60 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  61 {
  62 /*
  63     printf( "OnDelete from " );
  64     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  65         printf( win->GetClassInfo()->GetClassName() );
  66     printf( ".\n" );
  67 */
  68
  69     win->Close();
  70
  71     return TRUE;
  72 }
  73
  74 //-----------------------------------------------------------------------------
  75 // "configure_event"
  76 //-----------------------------------------------------------------------------
  77
  78 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
  79 {
  80     if (!win->HasVMT()) return FALSE;
  81
  82     win->m_x = event->x;
  83     win->m_y = event->y;
  84
  85     return FALSE;
  86 }
  87
  88 //-----------------------------------------------------------------------------
  89 // wxFrame
  90 //-----------------------------------------------------------------------------
  91
  92 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  93     EVT_SIZE(wxFrame::OnSize)
  94     EVT_CLOSE(wxFrame::OnCloseWindow)
  95     EVT_IDLE(wxFrame::OnIdle)
  96 END_EVENT_TABLE()
  97
  98 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  99
 100 wxFrame::wxFrame()
 101 {
 102     m_frameMenuBar = (wxMenuBar *) NULL;
 103     m_frameStatusBar = (wxStatusBar *) NULL;
 104     m_frameToolBar = (wxToolBar *) NULL;
 105     m_sizeSet = FALSE;
 106     wxTopLevelWindows.Insert( this );
 107 }
 108
 109 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 110       const wxPoint &pos, const wxSize &size,
 111       long style, const wxString &name )
 112 {
 113     m_frameMenuBar = (wxMenuBar *) NULL;
 114     m_frameStatusBar = (wxStatusBar *) NULL;
 115     m_frameToolBar = (wxToolBar *) NULL;
 116     m_sizeSet = FALSE;
 117     Create( parent, id, title, pos, size, style, name );
 118     wxTopLevelWindows.Insert( this );
 119 }
 120
 121 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 122       const wxPoint &pos, const wxSize &size,
 123       long style, const wxString &name )
 124 {
 125     m_needParent = FALSE;
 126
 127     PreCreation( parent, id, pos, size, style, name );
 128
 129     m_title = title;
 130
 131     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 132     if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
 133
 134     m_widget = gtk_window_new( win_type );
 135     if ((size.x != -1) && (size.y != -1))
 136         gtk_widget_set_usize( m_widget, m_width, m_height );
 137     if ((pos.x != -1) && (pos.y != -1))
 138         gtk_widget_set_uposition( m_widget, m_x, m_y );
 139
 140     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 141     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 142
 143     gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL );
 144
 145     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 146         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 147
 148     m_wxwindow = gtk_myfixed_new();
 149     gtk_widget_show( m_wxwindow );
 150     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 151
 152     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 153
 154     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 155         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 156
 157     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 158         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 159
 160     if (m_parent) m_parent->AddChild( this );
 161
 162     PostCreation();
 163
 164     return TRUE;
 165 }
 166
 167 wxFrame::~wxFrame()
 168 {
 169     if (m_frameMenuBar) delete m_frameMenuBar;
 170     if (m_frameStatusBar) delete m_frameStatusBar;
 171     if (m_frameToolBar) delete m_frameToolBar;
 172
 173     wxTopLevelWindows.DeleteObject( this );
 174     if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 175 }
 176
 177 bool wxFrame::Show( bool show )
 178 {
 179     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 180
 181     if (show)
 182     {
 183         wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 184         m_sizeSet = FALSE;
 185         ProcessEvent( event );
 186     }
 187     return wxWindow::Show( show );
 188 }
 189
 190 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 191 {
 192     if (GetEventHandler()->OnClose() || event.GetForce()) this->Destroy();
 193 }
 194
 195 bool wxFrame::Destroy()
 196 {
 197     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 198
 199     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 200
 201     return TRUE;
 202 }
 203
 204 wxPoint wxFrame::GetClientAreaOrigin() const
 205 {
 206     wxPoint pt(0, 0);
 207     if (m_frameMenuBar)
 208     {
 209         int h = 0;
 210         m_frameMenuBar->GetSize( (int*)NULL, &h );
 211         pt.y += h + 2;
 212     }
 213     if (m_frameToolBar)
 214     {
 215         int h = 0;
 216         m_frameToolBar->GetSize( (int*)NULL, &h );
 217         pt.y += h;
 218     }
 219     return pt;
 220 }
 221
 222 void wxFrame::SetSize( int x, int y, int width, int height, int sizeFlags )
 223 {
 224     wxASSERT_MSG( (m_widget != NULL), "invalid window" );
 225
 226     // Don't do anything for children of wxMDIChildFrame
 227     if (!m_wxwindow) return;
 228
 229     if (m_resizing) return; // I don't like recursions
 230     m_resizing = TRUE;
 231
 232     int old_x = m_x;
 233     int old_y = m_y;
 234     int old_width = m_width;
 235     int old_height = m_height;
 236
 237     if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
 238     {
 239         if (x != -1) m_x = x;
 240         if (y != -1) m_y = y;
 241         if (width != -1) m_width = width;
 242         if (height != -1) m_height = height;
 243     }
 244     else
 245     {
 246         m_x = x;
 247         m_y = y;
 248         m_width = width;
 249         m_height = height;
 250     }
 251
 252     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 253     {
 254         if (width == -1) m_width = 80;
 255     }
 256
 257     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 258     {
 259        if (height == -1) m_height = 26;
 260     }
 261
 262     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 263     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 264     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 265     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 266
 267     if ((m_x != -1) || (m_y != -1))
 268     {
 269         if ((m_x != old_x) || (m_y != old_y))
 270             gtk_widget_set_uposition( m_widget, m_x, m_y );
 271     }
 272
 273     if ((m_width != old_width) || (m_height != old_height))
 274     {
 275         gtk_widget_set_usize( m_widget, m_width, m_height );
 276     }
 277
 278     m_sizeSet = TRUE;
 279
 280     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 281     event.SetEventObject( this );
 282     ProcessEvent( event );
 283
 284     m_resizing = FALSE;
 285 }
 286
 287 void wxFrame::Centre( int direction )
 288 {
 289     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 290
 291     int x,y;
 292
 293     if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
 294     if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
 295
 296     Move( x, y );
 297 }
 298
 299 void wxFrame::GetClientSize( int *width, int *height ) const
 300 {
 301     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 302
 303     wxWindow::GetClientSize( width, height );
 304     if (height)
 305     {
 306         if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 307         if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 308         if (m_frameToolBar)
 309         {
 310             int y = 0;
 311             m_frameToolBar->GetSize( (int *) NULL, &y );
 312             (*height) -= y;
 313         }
 314     }
 315 }
 316
 317 void wxFrame::SetClientSize( int const width, int const height )
 318 {
 319   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 320
 321   int h = height;
 322   if (m_frameMenuBar) h += wxMENU_HEIGHT;
 323   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 324   if (m_frameToolBar)
 325   {
 326     int y = 0;
 327     m_frameToolBar->GetSize( (int *) NULL, &y );
 328     h += y;
 329   }
 330   wxWindow::SetClientSize( width, h );
 331 }
 332
 333 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 334 {
 335   // due to a bug in gtk, x,y are always 0
 336   // m_x = x;
 337   // m_y = y;
 338
 339   if ((m_height == height) && (m_width == width) &&
 340       (m_sizeSet)) return;
 341   if (!m_wxwindow) return;
 342
 343   m_width = width;
 344   m_height = height;
 345   if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 346   if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 347   if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 348   if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 349
 350   gtk_widget_set_usize( m_widget, m_width, m_height );
 351
 352   // This emulates the new wxMSW behaviour
 353
 354   if (m_frameMenuBar)
 355   {
 356     m_frameMenuBar->m_x = 1;
 357     m_frameMenuBar->m_y = 1;
 358     m_frameMenuBar->m_width = m_width-2;
 359     m_frameMenuBar->m_height = wxMENU_HEIGHT-2;
 360     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameMenuBar->m_widget, 1, 1 );
 361     gtk_widget_set_usize( m_frameMenuBar->m_widget, m_width-2, wxMENU_HEIGHT-2 );
 362   }
 363
 364   if (m_frameToolBar)
 365   {
 366     int y = 0;
 367     if (m_frameMenuBar) y = wxMENU_HEIGHT;
 368     int h = m_frameToolBar->m_height;
 369
 370     m_frameToolBar->m_x = 2;
 371     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameToolBar->m_widget, 2, y );
 372     gtk_widget_set_usize( m_frameToolBar->m_widget, m_width-3, h );
 373   }
 374
 375   if (m_frameStatusBar)
 376   {
 377     // OK, this hurts in the eye, but I don't want to call SetSize()
 378     // because I don't want to call any non-native functions here.
 379     m_frameStatusBar->m_x = 0;
 380     m_frameStatusBar->m_y = m_height-wxSTATUS_HEIGHT;
 381     m_frameStatusBar->m_width = m_width;
 382     m_frameStatusBar->m_height = wxSTATUS_HEIGHT;
 383     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, 0, m_height-wxSTATUS_HEIGHT );
 384     gtk_widget_set_usize( m_frameStatusBar->m_widget, m_width, wxSTATUS_HEIGHT );
 385   }
 386
 387   m_sizeSet = TRUE;
 388
 389   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 390   event.SetEventObject( this );
 391   ProcessEvent( event );
 392 }
 393
 394 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 395 {
 396   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 397
 398   if ( GetAutoLayout() )
 399     Layout();
 400   else {
 401     // no child: go out !
 402     if (!GetChildren()->First())
 403       return;
 404
 405     // do we have exactly one child?
 406     wxWindow *child = (wxWindow *) NULL;
 407     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 408     {
 409       wxWindow *win = (wxWindow *)node->Data();
 410       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 411 #if 0  // not in m_children anyway ?
 412           && (win != m_frameMenuBar) &&
 413              (win != m_frameToolBar) &&
 414              (win != m_frameStatusBar)
 415 #endif
 416          )
 417       {
 418         if ( child )  // it's the second one: do nothing
 419           return;
 420
 421         child = win;
 422       }
 423     }
 424
 425     // yes: set it's size to fill all the frame
 426     int client_x, client_y;
 427     GetClientSize(&client_x, &client_y);
 428     child->SetSize( 1, 1, client_x-2, client_y);
 429   }
 430 }
 431
 432 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 433 {
 434   menu->SetInvokingWindow( win );
 435   wxNode *node = menu->m_items.First();
 436   while (node)
 437   {
 438     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 439     if (menuitem->IsSubMenu())
 440       SetInvokingWindow( menuitem->GetSubMenu(), win );
 441     node = node->Next();
 442   }
 443 }
 444
 445 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 446 {
 447   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 448   wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
 449
 450   m_frameMenuBar = menuBar;
 451
 452   if (m_frameMenuBar)
 453   {
 454     wxNode *node = m_frameMenuBar->m_menus.First();
 455     while (node)
 456     {
 457       wxMenu *menu = (wxMenu*)node->Data();
 458       SetInvokingWindow( menu, this );
 459       node = node->Next();
 460     }
 461
 462     if (m_frameMenuBar->m_parent != this)
 463     {
 464       m_frameMenuBar->m_parent = this;
 465       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow),
 466         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 467     }
 468   }
 469 }
 470
 471 wxMenuBar *wxFrame::GetMenuBar(void) const
 472 {
 473   return m_frameMenuBar;
 474 }
 475
 476 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 477 {
 478   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 479
 480   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 481
 482   m_frameToolBar = OnCreateToolBar( style, id, name );
 483
 484   GetChildren()->DeleteObject( m_frameToolBar );
 485
 486   return m_frameToolBar;
 487 }
 488
 489 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 490 {
 491   return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 492 }
 493
 494 wxToolBar *wxFrame::GetToolBar(void) const
 495 {
 496   return m_frameToolBar;
 497 }
 498
 499 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 500 {
 501   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 502
 503   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 504
 505   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 506
 507   return m_frameStatusBar;
 508 }
 509
 510 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 511 {
 512   wxStatusBar *statusBar = (wxStatusBar *) NULL;
 513
 514   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 515
 516   // Set the height according to the font and the border size
 517   wxClientDC dc(statusBar);
 518   dc.SetFont( *statusBar->GetFont() );
 519
 520   long x, y;
 521   dc.GetTextExtent( "X", &x, &y );
 522
 523   int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 524
 525   statusBar->SetSize( -1, -1, 100, height );
 526
 527   statusBar->SetFieldsCount( number );
 528   return statusBar;
 529 }
 530
 531 void wxFrame::SetStatusText(const wxString& text, int number)
 532 {
 533   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 534
 535   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 536
 537   m_frameStatusBar->SetStatusText(text, number);
 538 }
 539
 540 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 541 {
 542   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 543
 544   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 545
 546   m_frameStatusBar->SetStatusWidths(n, widths_field);
 547 }
 548
 549 wxStatusBar *wxFrame::GetStatusBar(void) const
 550 {
 551   return m_frameStatusBar;
 552 }
 553
 554 void wxFrame::SetTitle( const wxString &title )
 555 {
 556   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 557
 558   m_title = title;
 559   if (m_title.IsNull()) m_title = "";
 560   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 561 }
 562
 563 void wxFrame::SetIcon( const wxIcon &icon )
 564 {
 565   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 566
 567   m_icon = icon;
 568   if (!icon.Ok()) return;
 569
 570   wxMask *mask = icon.GetMask();
 571   GdkBitmap *bm = (GdkBitmap *) NULL;
 572   if (mask) bm = mask->GetBitmap();
 573
 574   gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 575 }