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))
 200     wxPendingDelete.Append(this);
 201
 202   return TRUE;
 203 }
 204
 205 wxPoint wxFrame::GetClientAreaOrigin() const
 206 {
 207   wxPoint pt(0, 0);
 208   if (m_frameMenuBar)
 209   {
 210     int h = 0;
 211     m_frameMenuBar->GetSize( (int*)NULL, &h );
 212     pt.y += h + 2;
 213   }
 214   if (m_frameToolBar)
 215   {
 216     int h = 0;
 217     m_frameToolBar->GetSize( (int*)NULL, &h );
 218     pt.y += h;
 219   }
 220   return pt;
 221 }
 222
 223 void wxFrame::ImplementSetPosition(void)
 224 {
 225   if ((m_x != -1) || (m_y != -1))
 226      gtk_widget_set_uposition( m_widget, m_x, m_y );
 227 }
 228
 229 void wxFrame::Centre( int direction )
 230 {
 231   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 232
 233   if (direction & wxHORIZONTAL == wxHORIZONTAL) m_x = (gdk_screen_width () - m_width) / 2;
 234   if (direction & wxVERTICAL == wxVERTICAL) m_y = (gdk_screen_height () - m_height) / 2;
 235
 236   ImplementSetPosition();
 237 }
 238
 239 void wxFrame::GetClientSize( int *width, int *height ) const
 240 {
 241   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 242
 243   wxWindow::GetClientSize( width, height );
 244   if (height)
 245   {
 246     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 247     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 248     if (m_frameToolBar)
 249     {
 250       int y = 0;
 251       m_frameToolBar->GetSize( (int *) NULL, &y );
 252       (*height) -= y;
 253     }
 254   }
 255 }
 256
 257 void wxFrame::SetClientSize( int const width, int const height )
 258 {
 259   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 260
 261   int h = height;
 262   if (m_frameMenuBar) h += wxMENU_HEIGHT;
 263   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 264   if (m_frameToolBar)
 265   {
 266     int y = 0;
 267     m_frameToolBar->GetSize( (int *) NULL, &y );
 268     h += y;
 269   }
 270   wxWindow::SetClientSize( width, h );
 271 }
 272
 273 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 274 {
 275   // due to a bug in gtk, x,y are always 0
 276   // m_x = x;
 277   // m_y = y;
 278
 279   if ((m_height == height) && (m_width == width) &&
 280       (m_sizeSet)) return;
 281   if (!m_wxwindow) return;
 282
 283   m_width = width;
 284   m_height = height;
 285   if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 286   if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 287   if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 288   if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 289
 290   gtk_widget_set_usize( m_widget, m_width, m_height );
 291
 292   // This emulates the new wxMSW behaviour
 293
 294   if (m_frameMenuBar)
 295   {
 296     m_frameMenuBar->m_x = 1;
 297     m_frameMenuBar->m_y = 1;
 298     m_frameMenuBar->m_width = m_width-2;
 299     m_frameMenuBar->m_height = wxMENU_HEIGHT-2;
 300     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameMenuBar->m_widget, 1, 1 );
 301     gtk_widget_set_usize( m_frameMenuBar->m_widget, m_width-2, wxMENU_HEIGHT-2 );
 302   }
 303
 304   if (m_frameToolBar)
 305   {
 306     int y = 0;
 307     if (m_frameMenuBar) y = wxMENU_HEIGHT;
 308     int h = m_frameToolBar->m_height;
 309
 310     m_frameToolBar->m_x = 2;
 311     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameToolBar->m_widget, 2, y );
 312     gtk_widget_set_usize( m_frameToolBar->m_widget, m_width-3, h );
 313   }
 314
 315   if (m_frameStatusBar)
 316   {
 317     // OK, this hurts in the eye, but I don't want to call SetSize()
 318     // because I don't want to call any non-native functions here.
 319     m_frameStatusBar->m_x = 0;
 320     m_frameStatusBar->m_y = m_height-wxSTATUS_HEIGHT;
 321     m_frameStatusBar->m_width = m_width;
 322     m_frameStatusBar->m_height = wxSTATUS_HEIGHT;
 323     gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, 0, m_height-wxSTATUS_HEIGHT );
 324     gtk_widget_set_usize( m_frameStatusBar->m_widget, m_width, wxSTATUS_HEIGHT );
 325   }
 326
 327   m_sizeSet = TRUE;
 328
 329   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 330   event.SetEventObject( this );
 331   ProcessEvent( event );
 332 }
 333
 334 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 335 {
 336   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 337
 338   if ( GetAutoLayout() )
 339     Layout();
 340   else {
 341     // no child: go out !
 342     if (!GetChildren()->First())
 343       return;
 344
 345     // do we have exactly one child?
 346     wxWindow *child = (wxWindow *) NULL;
 347     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 348     {
 349       wxWindow *win = (wxWindow *)node->Data();
 350       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 351 #if 0  // not in m_children anyway ?
 352           && (win != m_frameMenuBar) &&
 353              (win != m_frameToolBar) &&
 354              (win != m_frameStatusBar)
 355 #endif
 356          )
 357       {
 358         if ( child )  // it's the second one: do nothing
 359           return;
 360
 361         child = win;
 362       }
 363     }
 364
 365     // yes: set it's size to fill all the frame
 366     int client_x, client_y;
 367     GetClientSize(&client_x, &client_y);
 368     child->SetSize( 1, 1, client_x-2, client_y);
 369   }
 370 }
 371
 372 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 373 {
 374   menu->SetInvokingWindow( win );
 375   wxNode *node = menu->m_items.First();
 376   while (node)
 377   {
 378     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 379     if (menuitem->IsSubMenu())
 380       SetInvokingWindow( menuitem->GetSubMenu(), win );
 381     node = node->Next();
 382   }
 383 }
 384
 385 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 386 {
 387   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 388   wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
 389
 390   m_frameMenuBar = menuBar;
 391
 392   if (m_frameMenuBar)
 393   {
 394     wxNode *node = m_frameMenuBar->m_menus.First();
 395     while (node)
 396     {
 397       wxMenu *menu = (wxMenu*)node->Data();
 398       SetInvokingWindow( menu, this );
 399       node = node->Next();
 400     }
 401
 402     if (m_frameMenuBar->m_parent != this)
 403     {
 404       m_frameMenuBar->m_parent = this;
 405       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow),
 406         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 407     }
 408   }
 409 }
 410
 411 wxMenuBar *wxFrame::GetMenuBar(void) const
 412 {
 413   return m_frameMenuBar;
 414 }
 415
 416 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 417 {
 418   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 419
 420   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 421
 422   m_frameToolBar = OnCreateToolBar( style, id, name );
 423
 424   GetChildren()->DeleteObject( m_frameToolBar );
 425
 426   return m_frameToolBar;
 427 }
 428
 429 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 430 {
 431   return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 432 }
 433
 434 wxToolBar *wxFrame::GetToolBar(void) const
 435 {
 436   return m_frameToolBar;
 437 }
 438
 439 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 440 {
 441   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 442
 443   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 444
 445   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 446
 447   return m_frameStatusBar;
 448 }
 449
 450 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 451 {
 452   wxStatusBar *statusBar = (wxStatusBar *) NULL;
 453
 454   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 455
 456   // Set the height according to the font and the border size
 457   wxClientDC dc(statusBar);
 458   dc.SetFont( *statusBar->GetFont() );
 459
 460   long x, y;
 461   dc.GetTextExtent( "X", &x, &y );
 462
 463   int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 464
 465   statusBar->SetSize( -1, -1, 100, height );
 466
 467   statusBar->SetFieldsCount( number );
 468   return statusBar;
 469 }
 470
 471 void wxFrame::SetStatusText(const wxString& text, int number)
 472 {
 473   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 474
 475   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 476
 477   m_frameStatusBar->SetStatusText(text, number);
 478 }
 479
 480 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 481 {
 482   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 483
 484   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 485
 486   m_frameStatusBar->SetStatusWidths(n, widths_field);
 487 }
 488
 489 wxStatusBar *wxFrame::GetStatusBar(void) const
 490 {
 491   return m_frameStatusBar;
 492 }
 493
 494 void wxFrame::SetTitle( const wxString &title )
 495 {
 496   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 497
 498   m_title = title;
 499   if (m_title.IsNull()) m_title = "";
 500   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 501 }
 502
 503 void wxFrame::SetIcon( const wxIcon &icon )
 504 {
 505   wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 506
 507   m_icon = icon;
 508   if (!icon.Ok()) return;
 509
 510   wxMask *mask = icon.GetMask();
 511   GdkBitmap *bm = (GdkBitmap *) NULL;
 512   if (mask) bm = mask->GetBitmap();
 513
 514   gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 515 }