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 }
 112
 113 wxFrame::wxFrame( wxWindow *parent, wxWindowID id, const wxString &title,
 114       const wxPoint &pos, const wxSize &size,
 115       long style, const wxString &name )
 116 {
 117     m_frameMenuBar = (wxMenuBar *) NULL;
 118     m_frameStatusBar = (wxStatusBar *) NULL;
 119     m_frameToolBar = (wxToolBar *) NULL;
 120     m_sizeSet = FALSE;
 121     Create( parent, id, title, pos, size, style, name );
 122 }
 123
 124 bool wxFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 125       const wxPoint &pos, const wxSize &size,
 126       long style, const wxString &name )
 127 {
 128     wxTopLevelWindows.Append( this );
 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 && !m_sizeSet)
 188     {
 189         // by calling GtkOnSize here, we don't have to call
 190         // either after showing the frame, which would entail
 191         // much ugly flicker nor from within the size_allocate
 192         // handler, because GTK 1.1.X forbids that.
 193
 194         GtkOnSize( m_x, m_y, m_width, m_height );
 195     }
 196
 197     return wxWindow::Show( show );
 198 }
 199
 200 void wxFrame::OnCloseWindow( wxCloseEvent &event )
 201 {
 202     if (GetEventHandler()->OnClose() || event.GetForce()) this->Destroy();
 203 }
 204
 205 bool wxFrame::Destroy()
 206 {
 207     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 208
 209     if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this);
 210
 211     return TRUE;
 212 }
 213
 214 wxPoint wxFrame::GetClientAreaOrigin() const
 215 {
 216     wxPoint pt(0, 0);
 217     if (m_frameMenuBar)
 218     {
 219         int h = 0;
 220         m_frameMenuBar->GetSize( (int*)NULL, &h );
 221         pt.y += h + 2;
 222     }
 223     if (m_frameToolBar)
 224     {
 225         int h = 0;
 226         m_frameToolBar->GetSize( (int*)NULL, &h );
 227         pt.y += h;
 228     }
 229     return pt;
 230 }
 231
 232 void wxFrame::SetSize( int x, int y, int width, int height, int sizeFlags )
 233 {
 234     wxASSERT_MSG( (m_widget != NULL), "invalid window" );
 235
 236     // Don't do anything for children of wxMDIChildFrame
 237     if (!m_wxwindow) return;
 238
 239     if (m_resizing) return; // I don't like recursions
 240     m_resizing = TRUE;
 241
 242     int old_x = m_x;
 243     int old_y = m_y;
 244     int old_width = m_width;
 245     int old_height = m_height;
 246
 247     if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING)
 248     {
 249         if (x != -1) m_x = x;
 250         if (y != -1) m_y = y;
 251         if (width != -1) m_width = width;
 252         if (height != -1) m_height = height;
 253     }
 254     else
 255     {
 256         m_x = x;
 257         m_y = y;
 258         m_width = width;
 259         m_height = height;
 260     }
 261
 262     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 263     {
 264         if (width == -1) m_width = 80;
 265     }
 266
 267     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 268     {
 269        if (height == -1) m_height = 26;
 270     }
 271
 272     if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth;
 273     if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight;
 274     if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth;
 275     if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight;
 276
 277     if ((m_x != -1) || (m_y != -1))
 278     {
 279         if ((m_x != old_x) || (m_y != old_y))
 280             gtk_widget_set_uposition( m_widget, m_x, m_y );
 281     }
 282
 283     if ((m_width != old_width) || (m_height != old_height))
 284     {
 285         gtk_widget_set_usize( m_widget, m_width, m_height );
 286     }
 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-2 );
 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     if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
 498 }
 499
 500 wxMenuBar *wxFrame::GetMenuBar(void) const
 501 {
 502     return m_frameMenuBar;
 503 }
 504
 505 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 506 {
 507     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 508
 509     wxCHECK_MSG( m_frameToolBar == NULL, FALSE, "recreating toolbar in wxFrame" );
 510
 511     m_frameToolBar = OnCreateToolBar( style, id, name );
 512
 513     GetChildren()->DeleteObject( m_frameToolBar );
 514
 515     if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
 516
 517     return m_frameToolBar;
 518 }
 519
 520 wxToolBar* wxFrame::OnCreateToolBar( long style, wxWindowID id, const wxString& name )
 521 {
 522     return new wxToolBar( this, id, wxDefaultPosition, wxDefaultSize, style, name );
 523 }
 524
 525 wxToolBar *wxFrame::GetToolBar(void) const
 526 {
 527     return m_frameToolBar;
 528 }
 529
 530 wxStatusBar* wxFrame::CreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 531 {
 532     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 533
 534     wxCHECK_MSG( m_frameStatusBar == NULL, FALSE, "recreating status bar in wxFrame" );
 535
 536     m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
 537
 538     if (m_sizeSet) GtkOnSize( m_x, m_y, m_width, m_height );
 539
 540     return m_frameStatusBar;
 541 }
 542
 543 wxStatusBar *wxFrame::OnCreateStatusBar( int number, long style, wxWindowID id, const wxString& name )
 544 {
 545     wxStatusBar *statusBar = (wxStatusBar *) NULL;
 546
 547     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 20), style, name);
 548
 549     // Set the height according to the font and the border size
 550     wxClientDC dc(statusBar);
 551     dc.SetFont( *statusBar->GetFont() );
 552
 553     long x, y;
 554     dc.GetTextExtent( "X", &x, &y );
 555
 556     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 557
 558     statusBar->SetSize( -1, -1, 100, height );
 559
 560     statusBar->SetFieldsCount( number );
 561     return statusBar;
 562 }
 563
 564 void wxFrame::SetStatusText(const wxString& text, int number)
 565 {
 566     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 567
 568     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 569
 570     m_frameStatusBar->SetStatusText(text, number);
 571 }
 572
 573 void wxFrame::SetStatusWidths(int n, const int widths_field[] )
 574 {
 575     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 576
 577     wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 578
 579     m_frameStatusBar->SetStatusWidths(n, widths_field);
 580 }
 581
 582 wxStatusBar *wxFrame::GetStatusBar(void) const
 583 {
 584     return m_frameStatusBar;
 585 }
 586
 587 void wxFrame::SetTitle( const wxString &title )
 588 {
 589     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 590
 591     m_title = title;
 592     if (m_title.IsNull()) m_title = "";
 593     gtk_window_set_title( GTK_WINDOW(m_widget), title );
 594 }
 595
 596 void wxFrame::SetIcon( const wxIcon &icon )
 597 {
 598     wxASSERT_MSG( (m_widget != NULL), "invalid frame" );
 599
 600     m_icon = icon;
 601     if (!icon.Ok()) return;
 602
 603     wxMask *mask = icon.GetMask();
 604     GdkBitmap *bm = (GdkBitmap *) NULL;
 605     if (mask) bm = mask->GetBitmap();
 606
 607     gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
 608 }