src/gtk1/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/dcclient.h"
  24 #include "wx/gtk/win_gtk.h"
  25
  26 const wxMENU_HEIGHT    = 28;
  27 const wxSTATUS_HEIGHT  = 25;
  28
  29 extern wxList wxTopLevelWindows;
  30 extern wxList wxPendingDelete;
  31
  32 //-----------------------------------------------------------------------------
  33 // wxFrame
  34 //-----------------------------------------------------------------------------
  35
  36 //-----------------------------------------------------------------------------
  37 // set size
  38
  39 void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxFrame *win )
  40 {
  41   if (!win->HasVMT()) return;
  42
  43 /*
  44   printf( "OnFrameResize from " );
  45   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  46     printf( win->GetClassInfo()->GetClassName() );
  47   printf( ".\n" );
  48 */
  49
  50   win->GtkOnSize( alloc->x, alloc->y, alloc->width, alloc->height );
  51 }
  52
  53 //-----------------------------------------------------------------------------
  54 // delete
  55
  56 bool gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  57 {
  58 /*
  59   printf( "OnDelete from " );
  60   if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  61     printf( win->GetClassInfo()->GetClassName() );
  62   printf( ".\n" );
  63 */
  64
  65   win->Close();
  66
  67   return TRUE;
  68 }
  69
  70 //-----------------------------------------------------------------------------
  71 // configure
  72
  73 gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
  74 {
  75   if (!win->HasVMT()) return FALSE;
  76
  77   win->m_x = event->x;
  78   win->m_y = event->y;
  79
  80   return FALSE;
  81 }
  82
  83 //-----------------------------------------------------------------------------
  84
  85 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  86   EVT_SIZE(wxFrame::OnSize)
  87   EVT_CLOSE(wxFrame::OnCloseWindow)
  88   EVT_IDLE(wxFrame::OnIdle)
  89 END_EVENT_TABLE()
  90
  91 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
  92
  93 wxFrame::wxFrame()
  94 {
  95   m_frameMenuBar = NULL;
  96   m_frameStatusBar = NULL;
  97   m_frameToolBar = NULL;
  98   m_sizeSet = FALSE;
  99   m_addPrivateChild = FALSE;
 100   m_wxwindow = NULL;
 101   m_mainWindow = NULL;
 102   wxTopLevelWindows.Insert( this );
 103 }
 104
 105 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 106       const wxPoint &pos, const wxSize &size,
 107       long style, const wxString &name )
 108 {
 109   m_frameMenuBar = NULL;
 110   m_frameStatusBar = NULL;
 111   m_frameToolBar = NULL;
 112   m_sizeSet = FALSE;
 113   m_addPrivateChild = FALSE;
 114   m_wxwindow = NULL;
 115   m_mainWindow = NULL;
 116   Create( parent, id, title, pos, size, style, name );
 117   wxTopLevelWindows.Insert( this );
 118 }
 119
 120 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 121       const wxPoint &pos, const wxSize &size,
 122       long style, const wxString &name )
 123 {
 124   m_needParent = FALSE;
 125
 126   PreCreation( parent, id, pos, size, style, name );
 127
 128   m_title = title;
 129
 130   m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL );
 131   if ((size.x != -1) && (size.y != -1))
 132     gtk_widget_set_usize( m_widget, m_width, m_height );
 133   if ((pos.x != -1) && (pos.y != -1))
 134     gtk_widget_set_uposition( m_widget, m_x, m_y );
 135
 136   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 137   GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 138
 139   gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL);
 140
 141   gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 142     GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 143
 144   m_mainWindow = gtk_myfixed_new();
 145   gtk_widget_show( m_mainWindow );
 146   GTK_WIDGET_UNSET_FLAGS( m_mainWindow, GTK_CAN_FOCUS );
 147
 148   gtk_container_add( GTK_CONTAINER(m_widget), m_mainWindow );
 149   gtk_widget_set_uposition( m_mainWindow, 0, 0 );
 150
 151   m_wxwindow = gtk_myfixed_new();
 152   gtk_widget_show( m_wxwindow );
 153   GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 154
 155   gtk_container_add( GTK_CONTAINER(m_mainWindow), m_wxwindow );
 156
 157   gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 158     GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 159
 160   gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 161     GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 162
 163   PostCreation();
 164
 165   gtk_widget_realize( m_mainWindow );
 166
 167   return TRUE;
 168 }
 169
 170 wxFrame::~wxFrame()
 171 {
 172   if (m_frameMenuBar) delete m_frameMenuBar;
 173   if (m_frameStatusBar) delete m_frameStatusBar;
 174
 175 //  if (m_mainWindow) gtk_widget_destroy( m_mainWindow );
 176
 177   wxTopLevelWindows.DeleteObject( this );
 178   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 179 }
 180
 181 bool wxFrame::Show( bool show )
 182 {
 183   if (show)
 184   {
 185     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 186     m_sizeSet = FALSE;
 187     ProcessEvent( event );
 188   }
 189   return wxWindow::Show( show );
 190 }
 191
 192 void wxFrame::Enable( bool enable )
 193 {
 194   wxWindow::Enable( enable );
 195   gtk_widget_set_sensitive( m_mainWindow, enable );
 196 }
 197
 198 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 199 {
 200     if ( GetEventHandler()->OnClose() || event.GetForce())
 201     {
 202         this->Destroy();
 203     }
 204 }
 205
 206 bool wxFrame::Destroy()
 207 {
 208   if (!wxPendingDelete.Member(this))
 209     wxPendingDelete.Append(this);
 210
 211   return TRUE;
 212 }
 213
 214 void wxFrame::GetClientSize( int *width, int *height ) const
 215 {
 216   wxWindow::GetClientSize( width, height );
 217   if (height)
 218   {
 219     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 220     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 221     if (m_frameToolBar)
 222     {
 223       int y = 0;
 224       m_frameToolBar->GetSize( NULL, &y );
 225       (*height) -= y;
 226     }
 227   }
 228 }
 229
 230 void wxFrame::SetClientSize( int const width, int const height )
 231 {
 232   int h = height;
 233   if (m_frameMenuBar) h += wxMENU_HEIGHT;
 234   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 235   if (m_frameToolBar)
 236   {
 237     int y = 0;
 238     m_frameToolBar->GetSize( NULL, &y );
 239     h += y;
 240   }
 241   wxWindow::SetClientSize( width, h );
 242 }
 243
 244 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 245 {
 246   // due to a bug in gtk, x,y are always 0
 247   // m_x = x;
 248   // m_y = y;
 249
 250   if ((m_height == height) && (m_width == width) &&
 251       (m_sizeSet)) return;
 252   if (!m_mainWindow) return;
 253   if (!m_wxwindow) return;
 254
 255   m_width = width;
 256   m_height = height;
 257
 258   gtk_widget_set_usize( m_widget, width, height );
 259
 260   int main_x = 0;
 261   int main_y = 0;
 262   int main_height = height;
 263   int main_width = width;
 264
 265   // This emulates Windows behaviour:
 266   // The menu bar is part of the main window, but the status bar
 267   // is on the implementation side in the client area. The
 268   // function GetClientSize returns the size of the client area
 269   // minus the status bar height. Under wxGTK, the main window
 270   // is represented by m_mainWindow. The menubar is inserted
 271   // into m_mainWindow whereas the statusbar is insertes into
 272   // m_wxwindow just like any other window.
 273
 274 //  not really needed
 275 //  gtk_widget_set_usize( m_mainWindow, width, height );
 276
 277   if (m_frameMenuBar)
 278   {
 279     main_y = wxMENU_HEIGHT;
 280     main_height -= wxMENU_HEIGHT;
 281   }
 282
 283   int toolbar_height = 0;
 284   if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
 285
 286   main_y += toolbar_height;
 287   main_height -= toolbar_height;
 288
 289   gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_wxwindow, main_x, main_y );
 290   gtk_widget_set_usize( m_wxwindow, main_width, main_height );
 291
 292   if (m_frameMenuBar)
 293   {
 294     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameMenuBar->m_widget, 1, 1 );
 295     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 296   }
 297
 298   if (m_frameToolBar)
 299   {
 300     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameToolBar->m_widget, 1, wxMENU_HEIGHT );
 301     gtk_widget_set_usize( m_frameToolBar->m_widget, width-2, toolbar_height );
 302   }
 303
 304   if (m_frameStatusBar)
 305   {
 306     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 307   }
 308
 309   m_sizeSet = TRUE;
 310
 311   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 312   event.SetEventObject( this );
 313   ProcessEvent( event );
 314 }
 315
 316 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 317 {
 318   if ( GetAutoLayout() )
 319     Layout();
 320   else {
 321     // no child: go out !
 322     if (!GetChildren()->First())
 323       return;
 324
 325     // do we have exactly one child?
 326     wxWindow *child = NULL;
 327     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 328     {
 329       wxWindow *win = (wxWindow *)node->Data();
 330       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 331 #if 0  // not in m_children anyway
 332           && (win != m_frameMenuBar) &&
 333              (win != m_frameToolBar) &&
 334              (win != m_frameStatusBar)
 335 #endif
 336          )
 337       {
 338         if ( child )  // it's the second one: do nothing
 339           return;
 340
 341         child = win;
 342       }
 343     }
 344
 345     // yes: set it's size to fill all the frame
 346     int client_x, client_y;
 347     GetClientSize(&client_x, &client_y);
 348     child->SetSize( 1, 1, client_x-2, client_y);
 349   }
 350 }
 351
 352 void wxFrame::AddChild( wxWindow *child )
 353 {
 354   // wxFrame and wxDialog as children aren't placed into the parents
 355
 356   if (IS_KIND_OF(child,wxMDIChildFrame)) printf( "wxFrame::AddChild error.\n" );
 357
 358   if ( IS_KIND_OF(child,wxFrame) || IS_KIND_OF(child,wxDialog))
 359   {
 360     m_children.Append( child );
 361
 362     if ((child->m_x != -1) && (child->m_y != -1))
 363       gtk_widget_set_uposition( child->m_widget, child->m_x, child->m_y );
 364
 365     return;
 366   }
 367
 368   if (m_addPrivateChild)
 369   {
 370     gtk_myfixed_put( GTK_MYFIXED(m_mainWindow), child->m_widget, child->m_x, child->m_y );
 371
 372     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 373   }
 374   else
 375   {
 376     m_children.Append( child );
 377
 378     if (m_wxwindow)
 379       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y );
 380
 381     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 382   }
 383 }
 384
 385 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 386 {
 387   menu->SetInvokingWindow( win );
 388   wxNode *node = menu->m_items.First();
 389   while (node)
 390   {
 391     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 392     if (menuitem->IsSubMenu())
 393       SetInvokingWindow( menuitem->GetSubMenu(), win );
 394     node = node->Next();
 395   }
 396 }
 397
 398 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 399 {
 400   m_frameMenuBar = menuBar;
 401
 402   if (m_frameMenuBar)
 403   {
 404     wxNode *node = m_frameMenuBar->m_menus.First();
 405     while (node)
 406     {
 407       wxMenu *menu = (wxMenu*)node->Data();
 408       SetInvokingWindow( menu, this );
 409       node = node->Next();
 410     }
 411
 412     if (m_frameMenuBar->m_parent != this)
 413     {
 414       m_frameMenuBar->m_parent = this;
 415       gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 416         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 417     }
 418   }
 419 }
 420
 421 wxMenuBar *wxFrame::GetMenuBar(void) const
 422 {
 423   return m_frameMenuBar;
 424 }
 425
 426 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 427 {
 428   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 429
 430   m_addPrivateChild = TRUE;
 431   m_frameToolBar = OnCreateToolBar( style, id, name );
 432   m_addPrivateChild = FALSE;
 433
 434   return m_frameToolBar;
 435 }
 436
 437 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 438 {
 439   return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 440 }
 441
 442 wxToolBar *wxFrame::GetToolBar(void) const
 443 {
 444   return m_frameToolBar;
 445 }
 446
 447 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 448 {
 449   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 450
 451   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 452
 453   return m_frameStatusBar;
 454 }
 455
 456 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 457 {
 458   wxStatusBar *statusBar = NULL;
 459
 460   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 461
 462   // Set the height according to the font and the border size
 463   wxClientDC dc(statusBar);
 464   dc.SetFont( *statusBar->GetFont() );
 465
 466   long x, y;
 467   dc.GetTextExtent( "X", &x, &y );
 468
 469   int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 470
 471   statusBar->SetSize( -1, -1, 100, height );
 472
 473   statusBar->SetFieldsCount( number );
 474   return statusBar;
 475 }
 476
 477 void wxFrame::SetStatusText(const wxString& text, int number)
 478 {
 479   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 480
 481   m_frameStatusBar->SetStatusText(text, number);
 482 }
 483
 484 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 485 {
 486   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 487
 488   m_frameStatusBar->SetStatusWidths(n, widths_field);
 489 }
 490
 491 wxStatusBar *wxFrame::GetStatusBar(void) const
 492 {
 493   return m_frameStatusBar;
 494 }
 495
 496 void wxFrame::SetTitle( const wxString &title )
 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::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
 504 {
 505   if (m_wxwindow)
 506     gdk_window_set_hints( m_wxwindow->window, -1, -1,
 507                           minW, minH, maxW, maxH, GDK_HINT_MIN_SIZE | GDK_HINT_MIN_SIZE );
 508 }
 509
 510 void wxFrame::SetIcon( const wxIcon &icon )
 511 {
 512   m_icon = icon;
 513   if (!icon.Ok()) return;
 514
 515   wxMask *mask = icon.GetMask();
 516   GdkBitmap *bm = NULL;
 517   if (mask) bm = mask->GetBitmap();
 518
 519   gdk_window_set_icon( m_widget->window, NULL, icon.GetPixmap(), bm );
 520 }
 521