src/gtk/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "frame.h"
  13 #endif
  14
  15 #include "wx/frame.h"
  16 #include "wx/dialog.h"
  17 #include "wx/control.h"
  18 #include "wx/app.h"
  19 #include "wx/menu.h"
  20 #include "wx/toolbar.h"
  21 #include "wx/statusbr.h"
  22 #include "wx/mdi.h"
  23 #include "wx/gtk/win_gtk.h"
  24
  25 const wxMENU_HEIGHT    = 28;
  26 const wxSTATUS_HEIGHT  = 25;
  27
  28 extern wxList wxTopLevelWindows;
  29 extern wxList wxPendingDelete;
  30
  31 //-----------------------------------------------------------------------------
  32 // wxFrame
  33 //-----------------------------------------------------------------------------
  34
  35 //-----------------------------------------------------------------------------
  36 // set size
  37
  38 void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  39 {
  40   if (!win->HasVMT()) return;
  41
  42 /*
  43   printf( "OnFrameResize from " );
  44   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  45     printf( win->GetClassInfo()->GetClassName() );
  46   printf( ".\n" );
  47 */
  48
  49   win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
  50 };
  51
  52 //-----------------------------------------------------------------------------
  53 // delete
  54
  55 bool gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  56 {
  57 /*
  58   printf( "OnDelete from " );
  59   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  60     printf( win->GetClassInfo()->GetClassName() );
  61   printf( ".\n" );
  62 */
  63
  64   win->Close();
  65
  66   return TRUE;
  67 };
  68
  69 //-----------------------------------------------------------------------------
  70 // configure
  71
  72 gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
  73 {
  74   if (!win->HasVMT()) return FALSE;
  75
  76   win->m_x = event->x;
  77   win->m_y = event->y;
  78
  79   return FALSE;
  80 };
  81
  82 //-----------------------------------------------------------------------------
  83
  84 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  85   EVT_SIZE(wxFrame::OnSize)
  86   EVT_CLOSE(wxFrame::OnCloseWindow)
  87   EVT_IDLE(wxFrame::OnIdle)
  88 END_EVENT_TABLE()
  89
  90 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  91
  92 wxFrame::wxFrame()
  93 {
  94   m_frameMenuBar = NULL;
  95   m_frameStatusBar = NULL;
  96   m_frameToolBar = NULL;
  97   m_sizeSet = FALSE;
  98   m_addPrivateChild = FALSE;
  99   m_wxwindow = NULL;
 100   m_mainWindow = NULL;
 101   wxTopLevelWindows.Insert( this );
 102 };
 103
 104 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 105       const wxPoint &pos, const wxSize &size,
 106       long style, const wxString &name )
 107 {
 108   m_frameMenuBar = NULL;
 109   m_frameStatusBar = NULL;
 110   m_frameToolBar = NULL;
 111   m_sizeSet = FALSE;
 112   m_addPrivateChild = FALSE;
 113   m_wxwindow = NULL;
 114   m_mainWindow = NULL;
 115   Create( parent, id, title, pos, size, style, name );
 116   wxTopLevelWindows.Insert( this );
 117 };
 118
 119 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 120       const wxPoint &pos, const wxSize &size,
 121       long style, const wxString &name )
 122 {
 123   m_needParent = FALSE;
 124
 125   PreCreation( parent, id, pos, size, style, name );
 126
 127   m_title = title;
 128
 129   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
 130   if ((size.x != -1) && (size.y != -1))
 131     gtk_widget_set_usize( m_widget, m_width, m_height );
 132   if ((pos.x != -1) && (pos.y != -1))
 133     gtk_widget_set_uposition( m_widget, m_x, m_y );
 134
 135   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 136   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 137
 138   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
 139
 140   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 141     GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 142
 143   m_mainWindow = gtk_myfixed_new();
 144   gtk_widget_show( m_mainWindow );
 145   GTK_WIDGET_UNSET_FLAGS( m_mainWindow, GTK_CAN_FOCUS );
 146
 147   gtk_container_add( GTK_CONTAINER(m_widget), m_mainWindow );
 148   gtk_widget_set_uposition( m_mainWindow, 0, 0 );
 149
 150   m_wxwindow = gtk_myfixed_new();
 151   gtk_widget_show( m_wxwindow );
 152   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 153
 154   gtk_container_add( GTK_CONTAINER(m_mainWindow), m_wxwindow );
 155
 156   gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 157     GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 158
 159   gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 160     GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 161
 162   PostCreation();
 163
 164   gtk_widget_realize( m_mainWindow );
 165
 166   return TRUE;
 167 };
 168
 169 wxFrame::~wxFrame()
 170 {
 171   if (m_frameMenuBar) delete m_frameMenuBar;
 172   if (m_frameStatusBar) delete m_frameStatusBar;
 173
 174 //  if (m_mainWindow) gtk_widget_destroy( m_mainWindow );
 175
 176   wxTopLevelWindows.DeleteObject( this );
 177   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 178 };
 179
 180 bool wxFrame::Show( bool show )
 181 {
 182   if (show)
 183   {
 184     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 185     m_sizeSet = FALSE;
 186     ProcessEvent( event );
 187   };
 188   return wxWindow::Show( show );
 189 };
 190
 191 void wxFrame::Enable( bool enable )
 192 {
 193   wxWindow::Enable( enable );
 194   gtk_widget_set_sensitive( m_mainWindow, enable );
 195 };
 196
 197 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 198 {
 199     if ( GetEventHandler()->OnClose() || event.GetForce())
 200     {
 201         this->Destroy();
 202     }
 203 };
 204
 205 bool wxFrame::Destroy()
 206 {
 207   if (!wxPendingDelete.Member(this))
 208     wxPendingDelete.Append(this);
 209
 210   return TRUE;
 211 }
 212
 213 void wxFrame::GetClientSize( int *width, int *height ) const
 214 {
 215   wxWindow::GetClientSize( width, height );
 216   if (height)
 217   {
 218     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 219     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 220     if (m_frameToolBar)
 221     {
 222       int y = 0;
 223       m_frameToolBar->GetSize( NULL, &y );
 224       (*height) -= y;
 225     }
 226   };
 227 };
 228
 229 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 230 {
 231   // due to a bug in gtk, x,y are always 0
 232   // m_x = x;
 233   // m_y = y;
 234
 235   if ((m_height == height) && (m_width == width) &&
 236       (m_sizeSet)) return;
 237   if (!m_mainWindow) return;
 238   if (!m_wxwindow) return;
 239
 240   m_width = width;
 241   m_height = height;
 242
 243   gtk_widget_set_usize( m_widget, width, height );
 244
 245   int main_x = 0;
 246   int main_y = 0;
 247   int main_height = height;
 248   int main_width = width;
 249
 250   // This emulates Windows behaviour:
 251   // The menu bar is part of the main window, but the status bar
 252   // is on the implementation side in the client area. The
 253   // function GetClientSize returns the size of the client area
 254   // minus the status bar height. Under wxGTK, the main window
 255   // is represented by m_mainWindow. The menubar is inserted
 256   // into m_mainWindow whereas the statusbar is insertes into
 257   // m_wxwindow just like any other window.
 258
 259 //  not really needed
 260 //  gtk_widget_set_usize( m_mainWindow, width, height );
 261
 262   if (m_frameMenuBar)
 263   {
 264     main_y = wxMENU_HEIGHT;
 265     main_height -= wxMENU_HEIGHT;
 266   };
 267
 268   int toolbar_height = 0;
 269   if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
 270
 271   main_y += toolbar_height;
 272   main_height -= toolbar_height;
 273
 274   gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_wxwindow, main_x, main_y );
 275   gtk_widget_set_usize( m_wxwindow, main_width, main_height );
 276
 277   if (m_frameMenuBar)
 278   {
 279     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameMenuBar->m_widget, 1, 1 );
 280     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 281   };
 282
 283   if (m_frameToolBar)
 284   {
 285     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameToolBar->m_widget, 1, wxMENU_HEIGHT );
 286     gtk_widget_set_usize( m_frameToolBar->m_widget, width-2, toolbar_height );
 287   };
 288
 289   if (m_frameStatusBar)
 290   {
 291     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 292   };
 293
 294   m_sizeSet = TRUE;
 295
 296   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 297   event.SetEventObject( this );
 298   ProcessEvent( event );
 299 };
 300
 301 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 302 {
 303   if ( GetAutoLayout() )
 304     Layout();
 305   else {
 306     // no child: go out !
 307     if (!GetChildren()->First())
 308       return;
 309
 310     // do we have exactly one child?
 311     wxWindow *child = NULL;
 312     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 313     {
 314       wxWindow *win = (wxWindow *)node->Data();
 315       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 316 #if 0  // not in m_children anyway
 317           && (win != m_frameMenuBar) &&
 318              (win != m_frameToolBar) &&
 319              (win != m_frameStatusBar)
 320 #endif
 321          )
 322       {
 323         if ( child )  // it's the second one: do nothing
 324           return;
 325
 326         child = win;
 327       };
 328     };
 329
 330     // yes: set it's size to fill all the frame
 331     int client_x, client_y;
 332     GetClientSize(&client_x, &client_y);
 333     child->SetSize( 1, 1, client_x-2, client_y);
 334   }
 335 };
 336
 337 void wxFrame::AddChild( wxWindow *child )
 338 {
 339   // wxFrame and wxDialog as children aren't placed into the parents
 340
 341   if (IS_KIND_OF(child,wxMDIChildFrame)) printf( "wxFrame::AddChild error.\n" );
 342
 343   if ( IS_KIND_OF(child,wxFrame) || IS_KIND_OF(child,wxDialog))
 344   {
 345     m_children.Append( child );
 346
 347     if ((child->m_x != -1) && (child->m_y != -1))
 348       gtk_widget_set_uposition( child->m_widget, child->m_x, child->m_y );
 349
 350     return;
 351   }
 352
 353   if (m_addPrivateChild)
 354   {
 355     gtk_myfixed_put( GTK_MYFIXED(m_mainWindow), child->m_widget, child->m_x, child->m_y );
 356
 357     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 358   }
 359   else
 360   {
 361     m_children.Append( child );
 362
 363     if (m_wxwindow)
 364       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y );
 365
 366     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 367   }
 368 };
 369
 370 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 371 {
 372   menu->SetInvokingWindow( win );
 373   wxNode *node = menu->m_items.First();
 374   while (node)
 375   {
 376     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 377     if (menuitem->IsSubMenu())
 378       SetInvokingWindow( menuitem->GetSubMenu(), win );
 379     node = node->Next();
 380   };
 381 };
 382
 383 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 384 {
 385   m_frameMenuBar = menuBar;
 386
 387   if (m_frameMenuBar)
 388   {
 389     if (m_frameMenuBar->m_parent != this)
 390     {
 391       wxNode *node = m_frameMenuBar->m_menus.First();
 392       while (node)
 393       {
 394         wxMenu *menu = (wxMenu*)node->Data();
 395         SetInvokingWindow( menu, this );
 396         node = node->Next();
 397       };
 398
 399       m_frameMenuBar->m_parent = this;
 400       gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 401         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 402     }
 403   }
 404 };
 405
 406 wxMenuBar *wxFrame::GetMenuBar(void)
 407 {
 408   return m_frameMenuBar;
 409 };
 410
 411 wxToolBar *wxFrame::CreateToolBar( long style , wxWindowID id, const wxString& name )
 412 {
 413   m_addPrivateChild = TRUE;
 414
 415   m_frameToolBar = new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 416
 417   m_addPrivateChild = FALSE;
 418
 419   return m_frameToolBar;
 420 };
 421
 422 wxToolBar *wxFrame::GetToolBar(void)
 423 {
 424   return m_frameToolBar;
 425 };
 426
 427 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 428 {
 429   if (m_frameStatusBar)
 430   delete m_frameStatusBar;
 431
 432   m_frameStatusBar = new wxStatusBar( this, id, wxPoint(0,0), wxSize(100,20), style, name );
 433
 434   m_frameStatusBar->SetFieldsCount( number );
 435
 436   return m_frameStatusBar;
 437 };
 438
 439 void wxFrame::SetStatusText( const wxString &text, int number )
 440 {
 441   if (m_frameStatusBar) m_frameStatusBar->SetStatusText( text, number );
 442 };
 443
 444 void wxFrame::SetStatusWidths( int n, int *width )
 445 {
 446   if (m_frameStatusBar) m_frameStatusBar->SetStatusWidths( n, width );
 447 };
 448
 449 wxStatusBar *wxFrame::GetStatusBar(void)
 450 {
 451   return m_frameStatusBar;
 452 };
 453
 454 void wxFrame::SetTitle( const wxString &title )
 455 {
 456   m_title = title;
 457   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 458 };
 459
 460 void wxFrame::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
 461 {
 462   if (m_wxwindow)
 463     gdk_window_set_hints( m_wxwindow->window, -1, -1,
 464                           minW, minH, maxW, maxH, GDK_HINT_MIN_SIZE | GDK_HINT_MIN_SIZE );
 465 }
 466
 467 void wxFrame::SetIcon( const wxIcon &icon )
 468 {
 469   m_icon = icon;
 470   if (!icon.Ok()) return;
 471
 472   wxMask *mask = icon.GetMask();
 473   GdkBitmap *bm = NULL;
 474   if (mask) bm = mask->GetBitmap();
 475
 476   gdk_window_set_icon( m_widget->window, NULL, icon.GetPixmap(), bm );
 477 }
 478