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   if (m_frameToolBar) delete m_frameToolBar;
 175
 176 //  if (m_mainWindow) gtk_widget_destroy( m_mainWindow );
 177
 178   wxTopLevelWindows.DeleteObject( this );
 179   if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 180 }
 181
 182 bool wxFrame::Show( bool show )
 183 {
 184   if (show)
 185   {
 186     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 187     m_sizeSet = FALSE;
 188     ProcessEvent( event );
 189   }
 190   return wxWindow::Show( show );
 191 }
 192
 193 void wxFrame::Enable( bool enable )
 194 {
 195   wxWindow::Enable( enable );
 196   gtk_widget_set_sensitive( m_mainWindow, enable );
 197 }
 198
 199 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 200 {
 201     if ( GetEventHandler()->OnClose() || event.GetForce())
 202     {
 203         this->Destroy();
 204     }
 205 }
 206
 207 bool wxFrame::Destroy()
 208 {
 209   if (!wxPendingDelete.Member(this))
 210     wxPendingDelete.Append(this);
 211
 212   return TRUE;
 213 }
 214
 215 void wxFrame::ImplementSetPosition(void)
 216 {
 217   if ((m_x != -1) || (m_y != -1))
 218      gtk_widget_set_uposition( m_widget, m_x, m_y );
 219 }
 220
 221 void wxFrame::Centre( int direction )
 222 {
 223   if (direction & wxHORIZONTAL == wxHORIZONTAL) m_x = (gdk_screen_width () - m_width) / 2;
 224   if (direction & wxVERTICAL == wxVERTICAL) m_y = (gdk_screen_height () - m_height) / 2;
 225   ImplementSetPosition();
 226 }
 227
 228 void wxFrame::GetClientSize( int *width, int *height ) const
 229 {
 230   wxWindow::GetClientSize( width, height );
 231   if (height)
 232   {
 233     if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 234     if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 235     if (m_frameToolBar)
 236     {
 237       int y = 0;
 238       m_frameToolBar->GetSize( NULL, &y );
 239       (*height) -= y;
 240     }
 241   }
 242 }
 243
 244 void wxFrame::SetClientSize( int const width, int const height )
 245 {
 246   int h = height;
 247   if (m_frameMenuBar) h += wxMENU_HEIGHT;
 248   if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 249   if (m_frameToolBar)
 250   {
 251     int y = 0;
 252     m_frameToolBar->GetSize( NULL, &y );
 253     h += y;
 254   }
 255   wxWindow::SetClientSize( width, h );
 256 }
 257
 258 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 259 {
 260   // due to a bug in gtk, x,y are always 0
 261   // m_x = x;
 262   // m_y = y;
 263
 264   if ((m_height == height) && (m_width == width) &&
 265       (m_sizeSet)) return;
 266   if (!m_mainWindow) return;
 267   if (!m_wxwindow) return;
 268
 269   m_width = width;
 270   m_height = height;
 271
 272   gtk_widget_set_usize( m_widget, width, height );
 273
 274   int main_x = 0;
 275   int main_y = 0;
 276   int main_height = height;
 277   int main_width = width;
 278
 279   // This emulates Windows behaviour:
 280   // The menu bar is part of the main window, but the status bar
 281   // is on the implementation side in the client area. The
 282   // function GetClientSize returns the size of the client area
 283   // minus the status bar height. Under wxGTK, the main window
 284   // is represented by m_mainWindow. The menubar is inserted
 285   // into m_mainWindow whereas the statusbar is insertes into
 286   // m_wxwindow just like any other window.
 287
 288 //  not really needed
 289 //  gtk_widget_set_usize( m_mainWindow, width, height );
 290
 291   if (m_frameMenuBar)
 292   {
 293     main_y = wxMENU_HEIGHT;
 294     main_height -= wxMENU_HEIGHT;
 295   }
 296
 297   int toolbar_height = 0;
 298   if (m_frameToolBar) m_frameToolBar->GetSize( NULL, &toolbar_height );
 299
 300   main_y += toolbar_height;
 301   main_height -= toolbar_height;
 302
 303   gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_wxwindow, main_x, main_y );
 304   gtk_widget_set_usize( m_wxwindow, main_width, main_height );
 305
 306   if (m_frameMenuBar)
 307   {
 308     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameMenuBar->m_widget, 1, 1 );
 309     gtk_widget_set_usize( m_frameMenuBar->m_widget, width-2, wxMENU_HEIGHT-2 );
 310   }
 311
 312   if (m_frameToolBar)
 313   {
 314     gtk_myfixed_move( GTK_MYFIXED(m_mainWindow), m_frameToolBar->m_widget, 1, wxMENU_HEIGHT );
 315     gtk_widget_set_usize( m_frameToolBar->m_widget, width-2, toolbar_height );
 316   }
 317
 318   if (m_frameStatusBar)
 319   {
 320     m_frameStatusBar->SetSize( 0, main_height-wxSTATUS_HEIGHT, width, wxSTATUS_HEIGHT );
 321   }
 322
 323   m_sizeSet = TRUE;
 324
 325   wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 326   event.SetEventObject( this );
 327   ProcessEvent( event );
 328 }
 329
 330 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 331 {
 332   if ( GetAutoLayout() )
 333     Layout();
 334   else {
 335     // no child: go out !
 336     if (!GetChildren()->First())
 337       return;
 338
 339     // do we have exactly one child?
 340     wxWindow *child = NULL;
 341     for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 342     {
 343       wxWindow *win = (wxWindow *)node->Data();
 344       if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 345 #if 0  // not in m_children anyway
 346           && (win != m_frameMenuBar) &&
 347              (win != m_frameToolBar) &&
 348              (win != m_frameStatusBar)
 349 #endif
 350          )
 351       {
 352         if ( child )  // it's the second one: do nothing
 353           return;
 354
 355         child = win;
 356       }
 357     }
 358
 359     // yes: set it's size to fill all the frame
 360     int client_x, client_y;
 361     GetClientSize(&client_x, &client_y);
 362     child->SetSize( 1, 1, client_x-2, client_y);
 363   }
 364 }
 365
 366 void wxFrame::AddChild( wxWindow *child )
 367 {
 368   // wxFrame and wxDialog as children aren't placed into the parents
 369
 370   if (IS_KIND_OF(child,wxMDIChildFrame)) printf( "wxFrame::AddChild error.\n" );
 371
 372   if ( IS_KIND_OF(child,wxFrame) || IS_KIND_OF(child,wxDialog))
 373   {
 374     m_children.Append( child );
 375
 376     if ((child->m_x != -1) && (child->m_y != -1))
 377       gtk_widget_set_uposition( child->m_widget, child->m_x, child->m_y );
 378
 379     return;
 380   }
 381
 382   if (m_addPrivateChild)
 383   {
 384     gtk_myfixed_put( GTK_MYFIXED(m_mainWindow), child->m_widget, child->m_x, child->m_y );
 385
 386     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 387   }
 388   else
 389   {
 390     m_children.Append( child );
 391
 392     if (m_wxwindow)
 393       gtk_myfixed_put( GTK_MYFIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y );
 394
 395     gtk_widget_set_usize( child->m_widget, child->m_width, child->m_height );
 396   }
 397 }
 398
 399 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 400 {
 401   menu->SetInvokingWindow( win );
 402   wxNode *node = menu->m_items.First();
 403   while (node)
 404   {
 405     wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 406     if (menuitem->IsSubMenu())
 407       SetInvokingWindow( menuitem->GetSubMenu(), win );
 408     node = node->Next();
 409   }
 410 }
 411
 412 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 413 {
 414   m_frameMenuBar = menuBar;
 415
 416   if (m_frameMenuBar)
 417   {
 418     wxNode *node = m_frameMenuBar->m_menus.First();
 419     while (node)
 420     {
 421       wxMenu *menu = (wxMenu*)node->Data();
 422       SetInvokingWindow( menu, this );
 423       node = node->Next();
 424     }
 425
 426     if (m_frameMenuBar->m_parent != this)
 427     {
 428       m_frameMenuBar->m_parent = this;
 429       gtk_myfixed_put( GTK_MYFIXED(m_mainWindow),
 430         m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 431     }
 432   }
 433 }
 434
 435 wxMenuBar *wxFrame::GetMenuBar(void) const
 436 {
 437   return m_frameMenuBar;
 438 }
 439
 440 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 441 {
 442   wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 443
 444   m_addPrivateChild = TRUE;
 445   m_frameToolBar = OnCreateToolBar( style, id, name );
 446   m_addPrivateChild = FALSE;
 447
 448   return m_frameToolBar;
 449 }
 450
 451 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 452 {
 453   return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 454 }
 455
 456 wxToolBar *wxFrame::GetToolBar(void) const
 457 {
 458   return m_frameToolBar;
 459 }
 460
 461 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 462 {
 463   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 464
 465   m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 466
 467   return m_frameStatusBar;
 468 }
 469
 470 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 471 {
 472   wxStatusBar *statusBar = NULL;
 473
 474   statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 475
 476   // Set the height according to the font and the border size
 477   wxClientDC dc(statusBar);
 478   dc.SetFont( *statusBar->GetFont() );
 479
 480   long x, y;
 481   dc.GetTextExtent( "X", &x, &y );
 482
 483   int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 484
 485   statusBar->SetSize( -1, -1, 100, height );
 486
 487   statusBar->SetFieldsCount( number );
 488   return statusBar;
 489 }
 490
 491 void wxFrame::SetStatusText(const wxString& text, int number)
 492 {
 493   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 494
 495   m_frameStatusBar->SetStatusText(text, number);
 496 }
 497
 498 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 499 {
 500   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 501
 502   m_frameStatusBar->SetStatusWidths(n, widths_field);
 503 }
 504
 505 wxStatusBar *wxFrame::GetStatusBar(void) const
 506 {
 507   return m_frameStatusBar;
 508 }
 509
 510 void wxFrame::SetTitle( const wxString &title )
 511 {
 512   m_title = title;
 513   if (m_title.IsNull()) m_title = "";
 514   gtk_window_set_title( GTK_WINDOW(m_widget), title );
 515 }
 516
 517 void wxFrame::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW) )
 518 {
 519   gdk_window_set_hints( m_widget->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