src/gtk1/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    if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
  54    {
  55        win->m_sizeSet = FALSE;
  56        win->m_width = alloc->width;
  57        win->m_height = alloc->height;
  58    }
  59 }
  60
  61 //-----------------------------------------------------------------------------
  62 // "delete_event"
  63 //-----------------------------------------------------------------------------
  64
  65 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxFrame *win )
  66 {
  67 /*
  68     printf( "OnDelete from " );
  69     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  70         printf( win->GetClassInfo()->GetClassName() );
  71     printf( ".\n" );
  72 */
  73
  74     win->Close();
  75
  76     return TRUE;
  77 }
  78
  79 //-----------------------------------------------------------------------------
  80 // "configure_event"
  81 //-----------------------------------------------------------------------------
  82
  83 static gint gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxFrame *win )
  84 {
  85     if (!win->HasVMT()) return FALSE;
  86
  87     win->m_x = event->x;
  88     win->m_y = event->y;
  89
  90     return FALSE;
  91 }
  92
  93 //-----------------------------------------------------------------------------
  94 // wxFrame
  95 //-----------------------------------------------------------------------------
  96
  97 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  98     EVT_SIZE(wxFrame::OnSize)
  99     EVT_CLOSE(wxFrame::OnCloseWindow)
 100     EVT_IDLE(wxFrame::OnIdle)
 101 END_EVENT_TABLE()
 102
 103 IMPLEMENT_DYNAMIC_CLASS(wxFrame,wxWindow)
 104
 105 wxFrame::wxFrame()
 106 {
 107     m_frameMenuBar = (wxMenuBar *) NULL;
 108     m_frameStatusBar = (wxStatusBar *) NULL;
 109     m_frameToolBar = (wxToolBar *) NULL;
 110     m_sizeSet = FALSE;
 111     wxTopLevelWindows.Insert( this );
 112 }
 113
 114 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 115       const wxPoint &pos, const wxSize &size,
 116       long style, const wxString &name )
 117 {
 118     m_frameMenuBar = (wxMenuBar *) NULL;
 119     m_frameStatusBar = (wxStatusBar *) NULL;
 120     m_frameToolBar = (wxToolBar *) NULL;
 121     m_sizeSet = FALSE;
 122     Create( parent, id, title, pos, size, style, name );
 123     wxTopLevelWindows.Insert( this );
 124 }
 125
 126 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 127       const wxPoint &pos, const wxSize &size,
 128       long style, const wxString &name )
 129 {
 130     m_needParent = FALSE;
 131
 132     PreCreation( parent, id, pos, size, style, name );
 133
 134     m_title = title;
 135
 136     GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 137     if (style & wxSIMPLE_BORDER) win_type = GTK_WINDOW_POPUP;
 138
 139     m_widget = gtk_window_new( win_type );
 140
 141     if ((size.x != -1) && (size.y != -1))
 142         gtk_widget_set_usize( m_widget, m_width, m_height );
 143     if ((pos.x != -1) && (pos.y != -1))
 144         gtk_widget_set_uposition( m_widget, m_x, m_y );
 145
 146     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 147     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 148
 149     gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL );
 150
 151     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 152         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 153
 154     m_wxwindow = gtk_myfixed_new();
 155     gtk_widget_show( m_wxwindow );
 156     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 157
 158     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 159
 160     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 161         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 162
 163     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 164         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 165
 166     if (m_parent) m_parent->AddChild( this );
 167
 168     PostCreation();
 169
 170     return TRUE;
 171 }
 172
 173 wxFrame::~wxFrame()
 174 {
 175     if (m_frameMenuBar) delete m_frameMenuBar;
 176     if (m_frameStatusBar) delete m_frameStatusBar;
 177     if (m_frameToolBar) delete m_frameToolBar;
 178
 179     wxTopLevelWindows.DeleteObject( this );
 180     if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop();
 181 }
 182
 183 bool wxFrame::Show( bool show )
 184 {
 185     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 186
 187     if (show)
 188     {
 189 /*
 190         wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 191         m_sizeSet = FALSE;
 192         GetEventHandler()->ProcessEvent( event );
 193 */
 194     }
 195     return wxWindow::Show( show );
 196 }
 197
 198 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 199 {
 200     if (GetEventHandler()->OnClose() || event.GetForce()) this->Destroy();
 201 }
 202
 203 bool wxFrame::Destroy()
 204 {
 205     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 206
 207     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 208
 209     return TRUE;
 210 }
 211
 212 wxPoint wxFrame::GetClientAreaOrigin() const
 213 {
 214     wxPoint pt(0, 0);
 215     if (m_frameMenuBar)
 216     {
 217         int h = 0;
 218         m_frameMenuBar->GetSize( (int*)NULL, &h );
 219         pt.y += h + 2;
 220     }
 221     if (m_frameToolBar)
 222     {
 223         int h = 0;
 224         m_frameToolBar->GetSize( (int*)NULL, &h );
 225         pt.y += h;
 226     }
 227     return pt;
 228 }
 229
 230 void wxFrame::SetSize( int x, int y, int width, int height, int sizeFlags )
 231 {
 232     wxASSERT_MSG( (m_widget != NULL), "invalid window" );
 233
 234     // Don't do anything for children of wxMDIChildFrame
 235     if (!m_wxwindow) return;
 236
 237     if (m_resizing) return; // I don't like recursions
 238     m_resizing = TRUE;
 239
 240     int old_x = m_x;
 241     int old_y = m_y;
 242     int old_width = m_width;
 243     int old_height = m_height;
 244
 245     if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
 246     {
 247         if (x != -1) m_x = x;
 248         if (y != -1) m_y = y;
 249         if (width != -1) m_width = width;
 250         if (height != -1) m_height = height;
 251     }
 252     else
 253     {
 254         m_x = x;
 255         m_y = y;
 256         m_width = width;
 257         m_height = height;
 258     }
 259
 260     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 261     {
 262         if (width == -1) m_width = 80;
 263     }
 264
 265     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 266     {
 267        if (height == -1) m_height = 26;
 268     }
 269
 270     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 271     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 272     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 273     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 274
 275     if ((m_x != -1) || (m_y != -1))
 276     {
 277         if ((m_x != old_x) || (m_y != old_y))
 278             gtk_widget_set_uposition( m_widget, m_x, m_y );
 279     }
 280
 281     if ((m_width != old_width) || (m_height != old_height))
 282     {
 283         gtk_widget_set_usize( m_widget, m_width, m_height );
 284     }
 285
 286     m_sizeSet = TRUE;
 287
 288     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 289     event.SetEventObject( this );
 290     GetEventHandler()->ProcessEvent( event );
 291
 292     m_resizing = FALSE;
 293 }
 294
 295 void wxFrame::SetSize( int width, int height )
 296 {
 297     SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING );
 298 }
 299
 300 void wxFrame::Centre( int direction )
 301 {
 302     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 303
 304     int x = 0;
 305     int y = 0;
 306
 307     if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2;
 308     if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2;
 309
 310     Move( x, y );
 311 }
 312
 313 void wxFrame::GetClientSize( int *width, int *height ) const
 314 {
 315     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 316
 317     wxWindow::GetClientSize( width, height );
 318     if (height)
 319     {
 320         if (m_frameMenuBar) (*height) -= wxMENU_HEIGHT;
 321         if (m_frameStatusBar) (*height) -= wxSTATUS_HEIGHT;
 322         if (m_frameToolBar)
 323         {
 324             int y = 0;
 325             m_frameToolBar->GetSize( (int *) NULL, &y );
 326             (*height) -= y;
 327         }
 328     }
 329 }
 330
 331 void wxFrame::SetClientSize( int const width, int const height )
 332 {
 333     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 334
 335     int h = height;
 336     if (m_frameMenuBar) h += wxMENU_HEIGHT;
 337     if (m_frameStatusBar) h += wxSTATUS_HEIGHT;
 338     if (m_frameToolBar)
 339     {
 340         int y = 0;
 341         m_frameToolBar->GetSize( (int *) NULL, &y );
 342         h += y;
 343     }
 344     wxWindow::SetClientSize( width, h );
 345 }
 346
 347 void wxFrame::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height )
 348 {
 349     // due to a bug in gtk, x,y are always 0
 350     // m_x = x;
 351     // m_y = y;
 352
 353     if (m_resizing) return;
 354     m_resizing = TRUE;
 355
 356     if (!m_wxwindow) return;
 357
 358     m_width = width;
 359     m_height = height;
 360
 361     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 362     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 363     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 364     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 365
 366 //    gtk_widget_set_usize( m_widget, m_width, m_height );
 367
 368     // This emulates the new wxMSW behaviour
 369
 370     if (m_frameMenuBar)
 371     {
 372         m_frameMenuBar->m_x = 1;
 373         m_frameMenuBar->m_y = 1;
 374         m_frameMenuBar->m_width = m_width-2;
 375         m_frameMenuBar->m_height = wxMENU_HEIGHT-2;
 376         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameMenuBar->m_widget, 1, 1 );
 377         gtk_widget_set_usize( m_frameMenuBar->m_widget, m_width-2, wxMENU_HEIGHT-2 );
 378     }
 379
 380     if (m_frameToolBar)
 381     {
 382         int y = 0;
 383         if (m_frameMenuBar) y = wxMENU_HEIGHT;
 384         int h = m_frameToolBar->m_height;
 385
 386         m_frameToolBar->m_x = 2;
 387         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameToolBar->m_widget, 2, y );
 388         gtk_widget_set_usize( m_frameToolBar->m_widget, m_width-3, h );
 389     }
 390
 391     if (m_frameStatusBar)
 392     {
 393         // OK, this hurts in the eye, but I don't want to call SetSize()
 394         // because I don't want to call any non-native functions here.
 395         m_frameStatusBar->m_x = 0;
 396         m_frameStatusBar->m_y = m_height-wxSTATUS_HEIGHT;
 397         m_frameStatusBar->m_width = m_width;
 398         m_frameStatusBar->m_height = wxSTATUS_HEIGHT;
 399         gtk_myfixed_move( GTK_MYFIXED(m_wxwindow), m_frameStatusBar->m_widget, 0, m_height-wxSTATUS_HEIGHT );
 400         gtk_widget_set_usize( m_frameStatusBar->m_widget, m_width, wxSTATUS_HEIGHT );
 401     }
 402
 403     m_sizeSet = TRUE;
 404
 405     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 406     event.SetEventObject( this );
 407     GetEventHandler()->ProcessEvent( event );
 408
 409     m_resizing = FALSE;
 410 }
 411
 412 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
 413 {
 414     if (!m_sizeSet)
 415         GtkOnSize( m_x, m_y, m_width, m_height );
 416
 417     DoMenuUpdates();
 418 }
 419
 420 void wxFrame::OnSize( wxSizeEvent &WXUNUSED(event) )
 421 {
 422     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 423
 424     if (GetAutoLayout())
 425     {
 426         Layout();
 427     }
 428     else
 429     {
 430         // no child: go out !
 431         if (!GetChildren()->First()) return;
 432
 433         // do we have exactly one child?
 434         wxWindow *child = (wxWindow *) NULL;
 435         for(wxNode *node = GetChildren()->First(); node; node = node->Next())
 436         {
 437             wxWindow *win = (wxWindow *)node->Data();
 438             if (!IS_KIND_OF(win,wxFrame) && !IS_KIND_OF(win,wxDialog)
 439 #if 0  // not in m_children anyway ?
 440               && (win != m_frameMenuBar) &&
 441               (win != m_frameToolBar) &&
 442               (win != m_frameStatusBar)
 443 #endif
 444             )
 445             {
 446                 // it's the second one: do nothing
 447                 if (child) return;
 448                 child = win;
 449             }
 450         }
 451
 452         // yes: set it's size to fill all the frame
 453         int client_x, client_y;
 454         GetClientSize( &client_x, &client_y );
 455         child->SetSize( 1, 1, client_x-2, client_y);
 456     }
 457 }
 458
 459 static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
 460 {
 461     menu->SetInvokingWindow( win );
 462     wxNode *node = menu->m_items.First();
 463     while (node)
 464     {
 465         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 466         if (menuitem->IsSubMenu())
 467             SetInvokingWindow( menuitem->GetSubMenu(), win );
 468         node = node->Next();
 469     }
 470 }
 471
 472 void wxFrame::SetMenuBar( wxMenuBar *menuBar )
 473 {
 474     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 475     wxASSERT_MSG( (m_wxwindow != NULL), "invalid frame" );
 476
 477     m_frameMenuBar = menuBar;
 478
 479     if (m_frameMenuBar)
 480     {
 481         wxNode *node = m_frameMenuBar->m_menus.First();
 482         while (node)
 483         {
 484             wxMenu *menu = (wxMenu*)node->Data();
 485             SetInvokingWindow( menu, this );
 486             node = node->Next();
 487         }
 488
 489         if (m_frameMenuBar->m_parent != this)
 490         {
 491             m_frameMenuBar->m_parent = this;
 492             gtk_myfixed_put( GTK_MYFIXED(m_wxwindow),
 493                 m_frameMenuBar->m_widget, m_frameMenuBar->m_x, m_frameMenuBar->m_y );
 494         }
 495     }
 496 }
 497
 498 wxMenuBar *wxFrame::GetMenuBar(void) const
 499 {
 500     return m_frameMenuBar;
 501 }
 502
 503 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 504 {
 505     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 506
 507     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 508
 509     m_frameToolBar = OnCreateToolBar( style, id, name );
 510
 511     GetChildren()->DeleteObject( m_frameToolBar );
 512
 513     return m_frameToolBar;
 514 }
 515
 516 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 517 {
 518     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 519 }
 520
 521 wxToolBar *wxFrame::GetToolBar(void) const
 522 {
 523     return m_frameToolBar;
 524 }
 525
 526 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 527 {
 528     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 529
 530     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 531
 532     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 533
 534     return m_frameStatusBar;
 535 }
 536
 537 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 538 {
 539     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 540
 541     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 542
 543     // Set the height according to the font and the border size
 544     wxClientDC dc(statusBar);
 545     dc.SetFont( *statusBar->GetFont() );
 546
 547     long x, y;
 548     dc.GetTextExtent( "X", &x, &y );
 549
 550     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 551
 552     statusBar->SetSize( -1, -1, 100, height );
 553
 554     statusBar->SetFieldsCount( number );
 555     return statusBar;
 556 }
 557
 558 void wxFrame::SetStatusText(const wxString& text, int number)
 559 {
 560     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 561
 562     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 563
 564     m_frameStatusBar->SetStatusText(text, number);
 565 }
 566
 567 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 568 {
 569     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 570
 571     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 572
 573     m_frameStatusBar->SetStatusWidths(n, widths_field);
 574 }
 575
 576 wxStatusBar *wxFrame::GetStatusBar(void) const
 577 {
 578     return m_frameStatusBar;
 579 }
 580
 581 void wxFrame::SetTitle( const wxString &title )
 582 {
 583     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 584
 585     m_title = title;
 586     if (m_title.IsNull()) m_title = "";
 587     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 588 }
 589
 590 void wxFrame::SetIcon( const wxIcon &icon )
 591 {
 592     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 593
 594     m_icon = icon;
 595     if (!icon.Ok()) return;
 596
 597     wxMask *mask = icon.GetMask();
 598     GdkBitmap *bm = (GdkBitmap *) NULL;
 599     if (mask) bm = mask->GetBitmap();
 600
 601     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 602 }