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::ImplementSetPosition(void)
 215 {
 216   if ((m_x != -1) || (m_y != -1))
 217      gtk_widget_set_uposition( m_widget, m_x, m_y );
 218 }
 219
 220 void wxFrame::Centre( int direction )
 221 {
 222   if (direction & wxHORIZONTAL == wxHORIZONTAL) m_x = (gdk_screen_width () - m_width) / 2;
 223   if (direction & wxVERTICAL == wxVERTICAL) m_y = (gdk_screen_height () - m_height) / 2;
 224   ImplementSetPosition();
 225 }
 226
 227 void wxFrame::GetClientSize( int *width, int *height ) const
 228 {
 229   wxWindow::GetClientSize( width, height );
 230   if (height)
 231   {
 232     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 233     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 234     if (m_frameToolBar)
 235     {
 236       int y = 0;
 237       m_frameToolBar->GetSize( NULL, &y );
 238       (*height) -= y;
 239     }
 240   }
 241 }
 242
 243 void wxFrame::SetClientSize( int const width, int const height )
 244 {
 245   int h = height;
 246   if (m_frameMenuBar) h += wxMENU_HEIGHT;
 247   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 248   if (m_frameToolBar)
 249   {
 250     int y = 0;
 251     m_frameToolBar->GetSize( NULL, &y );
 252     h += y;
 253   }
 254   wxWindow::SetClientSize( width, h );
 255 }
 256
 257 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 258 {
 259   // due to a bug in gtk, x,y are always 0
 260   // m_x = x;
 261   // m_y = y;
 262
 263   if ((m_height == height) && (m_width == width) &&
 264       (m_sizeSet)) return;
 265   if (!m_mainWindow) return;
 266   if (!m_wxwindow) return;
 267
 268   m_width = width;
 269   m_height = height;
 270
 271   gtk_widget_set_usize( m_widget, width, height );
 272
 273   int main_x = 0;
 274   int main_y = 0;
 275   int main_height = height;
 276   int main_width = width;
 277
 278   // This emulates Windows behaviour:
 279   // The menu bar is part of the main window, but the status bar
 280   // is on the implementation side in the client area. The
 281   // function GetClientSize returns the size of the client area
 282   // minus the status bar height. Under wxGTK, the main window
 283   // is represented by m_mainWindow. The menubar is inserted
 284   // into m_mainWindow whereas the statusbar is insertes into
 285   // m_wxwindow just like any other window.
 286
 287 //  not really needed
 288 //  gtk_widget_set_usize( m_mainWindow, width, height );
 289
 290   if (m_frameMenuBar)
 291   {
 292     main_y = wxMENU_HEIGHT;
 293     main_height -= wxMENU_HEIGHT;
 294   }
 295
 296   int toolbar_height = 0;
 297   if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
 298
 299   main_y += toolbar_height;
 300   main_height -= toolbar_height;
 301
 302   gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_wxwindow, main_x, main_y );
 303   gtk_widget_set_usize( m_wxwindow, main_width, main_height );
 304
 305   if (m_frameMenuBar)
 306   {
 307     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameMenuBar->m_widget, 1, 1 );
 308     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 309   }
 310
 311   if (m_frameToolBar)
 312   {
 313     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameToolBar->m_widget, 1, wxMENU_HEIGHT );
 314     gtk_widget_set_usize( m_frameToolBar->m_widget, width-2, toolbar_height );
 315   }
 316
 317   if (m_frameStatusBar)
 318   {
 319     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 320   }
 321
 322   m_sizeSet = TRUE;
 323
 324   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 325   event.SetEventObject( this );
 326   ProcessEvent( event );
 327 }
 328
 329 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 330 {
 331   if ( GetAutoLayout() )
 332     Layout();
 333   else {
 334     // no child: go out !
 335     if (!GetChildren()->First())
 336       return;
 337
 338     // do we have exactly one child?
 339     wxWindow *child = NULL;
 340     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 341     {
 342       wxWindow *win = (wxWindow *)node->Data();
 343       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 344 #if 0  // not in m_children anyway
 345           && (win != m_frameMenuBar) &&
 346              (win != m_frameToolBar) &&
 347              (win != m_frameStatusBar)
 348 #endif
 349          )
 350       {
 351         if ( child )  // it's the second one: do nothing
 352           return;
 353
 354         child = win;
 355       }
 356     }
 357
 358     // yes: set it's size to fill all the frame
 359     int client_x, client_y;
 360     GetClientSize(&client_x, &client_y);
 361     child->SetSize( 1, 1, client_x-2, client_y);
 362   }
 363 }
 364
 365 void wxFrame::AddChild( wxWindow *child )
 366 {
 367   // wxFrame and wxDialog as children aren't placed into the parents
 368
 369   if (IS_KIND_OF(child,wxMDIChildFrame)) printf( "wxFrame::AddChild error.\n" );
 370
 371   if ( IS_KIND_OF(child,wxFrame) || IS_KIND_OF(child,wxDialog))
 372   {
 373     m_children.Append( child );
 374
 375     if ((child->m_x != -1) && (child->m_y != -1))
 376       gtk_widget_set_uposition( child->m_widget, child->m_x, child->m_y );
 377
 378     return;
 379   }
 380
 381   if (m_addPrivateChild)
 382   {
 383     gtk_myfixed_put( GTK_MYFIXED(m_mainWindow), child->m_widget, child->m_x, child->m_y );
 384
 385     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 386   }
 387   else
 388   {
 389     m_children.Append( child );
 390
 391     if (m_wxwindow)
 392       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y );
 393
 394     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 395   }
 396 }
 397
 398 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 399 {
 400   menu->SetInvokingWindow( win );
 401   wxNode *node = menu->m_items.First();
 402   while (node)
 403   {
 404     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 405     if (menuitem->IsSubMenu())
 406       SetInvokingWindow( menuitem->GetSubMenu(), win );
 407     node = node->Next();
 408   }
 409 }
 410
 411 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 412 {
 413   m_frameMenuBar = menuBar;
 414
 415   if (m_frameMenuBar)
 416   {
 417     wxNode *node = m_frameMenuBar->m_menus.First();
 418     while (node)
 419     {
 420       wxMenu *menu = (wxMenu*)node->Data();
 421       SetInvokingWindow( menu, this );
 422       node = node->Next();
 423     }
 424
 425     if (m_frameMenuBar->m_parent != this)
 426     {
 427       m_frameMenuBar->m_parent = this;
 428       gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 429         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 430     }
 431   }
 432 }
 433
 434 wxMenuBar *wxFrame::GetMenuBar(void) const
 435 {
 436   return m_frameMenuBar;
 437 }
 438
 439 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 440 {
 441   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 442
 443   m_addPrivateChild = TRUE;
 444   m_frameToolBar = OnCreateToolBar( style, id, name );
 445   m_addPrivateChild = FALSE;
 446
 447   return m_frameToolBar;
 448 }
 449
 450 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 451 {
 452   return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 453 }
 454
 455 wxToolBar *wxFrame::GetToolBar(void) const
 456 {
 457   return m_frameToolBar;
 458 }
 459
 460 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 461 {
 462   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 463
 464   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 465
 466   return m_frameStatusBar;
 467 }
 468
 469 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 470 {
 471   wxStatusBar *statusBar = NULL;
 472
 473   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 474
 475   // Set the height according to the font and the border size
 476   wxClientDC dc(statusBar);
 477   dc.SetFont( *statusBar->GetFont() );
 478
 479   long x, y;
 480   dc.GetTextExtent( "X", &x, &y );
 481
 482   int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 483
 484   statusBar->SetSize( -1, -1, 100, height );
 485
 486   statusBar->SetFieldsCount( number );
 487   return statusBar;
 488 }
 489
 490 void wxFrame::SetStatusText(const wxString& text, int number)
 491 {
 492   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 493
 494   m_frameStatusBar->SetStatusText(text, number);
 495 }
 496
 497 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 498 {
 499   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 500
 501   m_frameStatusBar->SetStatusWidths(n, widths_field);
 502 }
 503
 504 wxStatusBar *wxFrame::GetStatusBar(void) const
 505 {
 506   return m_frameStatusBar;
 507 }
 508
 509 void wxFrame::SetTitle( const wxString &title )
 510 {
 511   m_title = title;
 512   if (m_title.IsNull()) m_title = "";
 513   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 514 }
 515
 516 void wxFrame::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
 517 {
 518   if (m_wxwindow)
 519     gdk_window_set_hints( m_wxwindow->window, -1, -1,
 520                           minW, minH, maxW, maxH, GDK_HINT_MIN_SIZE | GDK_HINT_MIN_SIZE );
 521 }
 522
 523 void wxFrame::SetIcon( const wxIcon &icon )
 524 {
 525   m_icon = icon;
 526   if (!icon.Ok()) return;
 527
 528   wxMask *mask = icon.GetMask();
 529   GdkBitmap *bm = NULL;
 530   if (mask) bm = mask->GetBitmap();
 531
 532   gdk_window_set_icon( m_widget->window, NULL, icon.GetPixmap(), bm );
 533 }
 534