src/gtk/toplevel.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        toplevel.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ============================================================================
  11 // declarations
  12 // ============================================================================
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  19     #pragma implementation "toplevel.h"
  20 #endif
  21
  22 // For compilers that support precompilation, includes "wx.h".
  23 #include "wx/wxprec.h"
  24
  25 #ifdef __VMS
  26 #define XIconifyWindow XICONIFYWINDOW
  27 #endif
  28
  29 #include "wx/defs.h"
  30
  31 #include "wx/log.h"
  32 #include "wx/dialog.h"
  33 #include "wx/control.h"
  34 #include "wx/app.h"
  35 #include "wx/dcclient.h"
  36 #include "wx/gtk/private.h"
  37 #include "wx/timer.h"
  38 #include "wx/settings.h"
  39
  40 #include <glib.h>
  41 #include <gdk/gdk.h>
  42 #include <gtk/gtk.h>
  43 #include <gdk/gdkkeysyms.h>
  44 #include <gdk/gdkx.h>
  45
  46 #include "wx/gtk/win_gtk.h"
  47
  48 #include "wx/unix/utilsx11.h"
  49
  50 // XA_CARDINAL
  51 #include <X11/Xatom.h>
  52
  53 // ----------------------------------------------------------------------------
  54 // idle system
  55 // ----------------------------------------------------------------------------
  56
  57 extern void wxapp_install_idle_handler();
  58 extern bool g_isIdle;
  59
  60 // ----------------------------------------------------------------------------
  61 // data
  62 // ----------------------------------------------------------------------------
  63
  64 extern wxList           wxPendingDelete;
  65
  66 extern int              g_openDialogs;
  67 extern wxWindowGTK     *g_delayedFocus;
  68
  69 // the frame that is currently active (i.e. its child has focus). It is
  70 // used to generate wxActivateEvents
  71 static wxTopLevelWindowGTK *g_activeFrame = (wxTopLevelWindowGTK*) NULL;
  72 static wxTopLevelWindowGTK *g_lastActiveFrame = (wxTopLevelWindowGTK*) NULL;
  73
  74 // if we detect that the app has got/lost the focus, we set this variable to
  75 // either TRUE or FALSE and an activate event will be sent during the next
  76 // OnIdle() call and it is reset to -1: this value means that we shouldn't
  77 // send any activate events at all
  78 static int              g_sendActivateEvent = -1;
  79
  80 //-----------------------------------------------------------------------------
  81 // "focus_in_event"
  82 //-----------------------------------------------------------------------------
  83
  84 static gint gtk_frame_focus_in_callback( GtkWidget *widget,
  85                                          GdkEvent *WXUNUSED(event),
  86                                          wxTopLevelWindowGTK *win )
  87 {
  88     if (g_isIdle)
  89         wxapp_install_idle_handler();
  90
  91     switch ( g_sendActivateEvent )
  92     {
  93         case -1:
  94             // we've got focus from outside, synthetize wxActivateEvent
  95             g_sendActivateEvent = 1;
  96             break;
  97
  98         case 0:
  99             // another our window just lost focus, it was already ours before
 100             // - don't send any wxActivateEvent
 101             g_sendActivateEvent = -1;
 102             break;
 103     }
 104
 105     g_activeFrame = win;
 106     g_lastActiveFrame = g_activeFrame;
 107
 108     // wxPrintf( wxT("active: %s\n"), win->GetTitle().c_str() );
 109
 110     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 111     wxActivateEvent event(wxEVT_ACTIVATE, TRUE, g_activeFrame->GetId());
 112     event.SetEventObject(g_activeFrame);
 113     g_activeFrame->GetEventHandler()->ProcessEvent(event);
 114
 115     return FALSE;
 116 }
 117
 118 //-----------------------------------------------------------------------------
 119 // "focus_out_event"
 120 //-----------------------------------------------------------------------------
 121
 122 static gint gtk_frame_focus_out_callback( GtkWidget *widget,
 123                                           GdkEventFocus *WXUNUSED(gdk_event),
 124                                           wxTopLevelWindowGTK *win )
 125 {
 126     if (g_isIdle)
 127         wxapp_install_idle_handler();
 128
 129     // if the focus goes out of our app alltogether, OnIdle() will send
 130     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
 131     // g_sendActivateEvent to -1
 132     g_sendActivateEvent = 0;
 133
 134     // wxASSERT_MSG( (g_activeFrame == win), wxT("TLW deactivatd although it wasn't active") );
 135
 136     // wxPrintf( wxT("inactive: %s\n"), win->GetTitle().c_str() );
 137
 138     wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), g_activeFrame);
 139     wxActivateEvent event(wxEVT_ACTIVATE, FALSE, g_activeFrame->GetId());
 140     event.SetEventObject(g_activeFrame);
 141     g_activeFrame->GetEventHandler()->ProcessEvent(event);
 142
 143     g_activeFrame = NULL;
 144
 145     return FALSE;
 146 }
 147
 148 //-----------------------------------------------------------------------------
 149 // "focus" from m_window
 150 //-----------------------------------------------------------------------------
 151
 152 static gint gtk_frame_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) )
 153 {
 154     if (g_isIdle)
 155         wxapp_install_idle_handler();
 156
 157     // This disables GTK's tab traversal
 158     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" );
 159     return TRUE;
 160 }
 161
 162 //-----------------------------------------------------------------------------
 163 // "size_allocate"
 164 //-----------------------------------------------------------------------------
 165
 166 static void gtk_frame_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxTopLevelWindowGTK *win )
 167 {
 168     if (g_isIdle)
 169         wxapp_install_idle_handler();
 170
 171     if (!win->m_hasVMT)
 172         return;
 173
 174     if ((win->m_width != alloc->width) || (win->m_height != alloc->height))
 175     {
 176 /*
 177         wxPrintf( "OnSize from " );
 178         if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
 179            wxPrintf( win->GetClassInfo()->GetClassName() );
 180         wxPrintf( " %d %d %d %d\n", (int)alloc->x,
 181                                 (int)alloc->y,
 182                                 (int)alloc->width,
 183                                 (int)alloc->height );
 184 */
 185
 186         win->m_width = alloc->width;
 187         win->m_height = alloc->height;
 188         win->GtkUpdateSize();
 189     }
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // "delete_event"
 194 //-----------------------------------------------------------------------------
 195
 196 static gint gtk_frame_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxTopLevelWindowGTK *win )
 197 {
 198     if (g_isIdle)
 199         wxapp_install_idle_handler();
 200
 201     if (win->IsEnabled() &&
 202         (g_openDialogs == 0 || (win->GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) ||
 203          win->IsGrabbed()))
 204         win->Close();
 205
 206     return TRUE;
 207 }
 208
 209
 210 //-----------------------------------------------------------------------------
 211 // "configure_event"
 212 //-----------------------------------------------------------------------------
 213
 214 static gint
 215 gtk_frame_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxTopLevelWindowGTK *win )
 216 {
 217     if (g_isIdle)
 218         wxapp_install_idle_handler();
 219
 220     if (!win->m_hasVMT || !win->IsShown())
 221         return FALSE;
 222
 223     int x = 0;
 224     int y = 0;
 225     gdk_window_get_root_origin( win->m_widget->window, &x, &y );
 226     win->m_x = x;
 227     win->m_y = y;
 228
 229     wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() );
 230     mevent.SetEventObject( win );
 231     win->GetEventHandler()->ProcessEvent( mevent );
 232
 233     return FALSE;
 234 }
 235
 236 //-----------------------------------------------------------------------------
 237 // "realize" from m_widget
 238 //-----------------------------------------------------------------------------
 239
 240 // we cannot MWM hints and icons before the widget has been realized,
 241 // so we do this directly after realization
 242
 243 static void
 244 gtk_frame_realized_callback( GtkWidget * WXUNUSED(widget),
 245                              wxTopLevelWindowGTK *win )
 246 {
 247     if (g_isIdle)
 248         wxapp_install_idle_handler();
 249
 250     // All this is for Motif Window Manager "hints" and is supposed to be
 251     // recognized by other WM as well. Not tested.
 252     gdk_window_set_decorations(win->m_widget->window,
 253                                (GdkWMDecoration)win->m_gdkDecor);
 254     gdk_window_set_functions(win->m_widget->window,
 255                                (GdkWMFunction)win->m_gdkFunc);
 256
 257     // GTK's shrinking/growing policy
 258     if ((win->m_gdkFunc & GDK_FUNC_RESIZE) == 0)
 259         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1);
 260     else
 261         gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1);
 262
 263     // reset the icon
 264     wxIconBundle iconsOld = win->GetIcons();
 265     if ( iconsOld.GetIcon(-1).Ok() )
 266     {
 267         win->SetIcon( wxNullIcon );
 268         win->SetIcons( iconsOld );
 269     }
 270 }
 271
 272 //-----------------------------------------------------------------------------
 273 // "map_event" from m_widget
 274 //-----------------------------------------------------------------------------
 275
 276 static void
 277 gtk_frame_map_callback( GtkWidget * WXUNUSED(widget),
 278                         GdkEvent * WXUNUSED(event),
 279                         wxTopLevelWindow *win )
 280 {
 281     win->SetIconizeState(FALSE);
 282 }
 283
 284 //-----------------------------------------------------------------------------
 285 // "unmap_event" from m_widget
 286 //-----------------------------------------------------------------------------
 287
 288 static void
 289 gtk_frame_unmap_callback( GtkWidget * WXUNUSED(widget),
 290                           GdkEvent * WXUNUSED(event),
 291                           wxTopLevelWindow *win )
 292 {
 293     win->SetIconizeState(TRUE);
 294 }
 295
 296 //-----------------------------------------------------------------------------
 297 // "expose_event" of m_client
 298 //-----------------------------------------------------------------------------
 299
 300 static int gtk_window_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxWindow *win )
 301 {
 302     GtkPizza *pizza = GTK_PIZZA(widget);
 303
 304     gtk_paint_flat_box (win->m_widget->style,
 305                         pizza->bin_window, GTK_STATE_NORMAL,
 306                         GTK_SHADOW_NONE,
 307                         &gdk_event->area,
 308                         win->m_widget,
 309                         (char *)"base",
 310                         0, 0, -1, -1);
 311
 312     return FALSE;
 313 }
 314
 315 //-----------------------------------------------------------------------------
 316 // "draw" of m_client
 317 //-----------------------------------------------------------------------------
 318
 319 #ifndef __WXGTK20__
 320
 321 static void gtk_window_draw_callback( GtkWidget *widget, GdkRectangle *rect, wxWindow *win )
 322 {
 323     GtkPizza *pizza = GTK_PIZZA(widget);
 324
 325     gtk_paint_flat_box (win->m_widget->style,
 326                         pizza->bin_window, GTK_STATE_NORMAL,
 327                         GTK_SHADOW_NONE,
 328                         rect,
 329                         win->m_widget,
 330                         (char *)"base",
 331                         0, 0, -1, -1);
 332 }
 333
 334 #endif // GTK+ 1.x
 335
 336 // ----------------------------------------------------------------------------
 337 // wxTopLevelWindowGTK itself
 338 // ----------------------------------------------------------------------------
 339
 340 //-----------------------------------------------------------------------------
 341 // InsertChild for wxTopLevelWindowGTK
 342 //-----------------------------------------------------------------------------
 343
 344 /* Callback for wxTopLevelWindowGTK. This very strange beast has to be used because
 345  * C++ has no virtual methods in a constructor. We have to emulate a
 346  * virtual function here as wxWidgets requires different ways to insert
 347  * a child in container classes. */
 348
 349 static void wxInsertChildInTopLevelWindow( wxTopLevelWindowGTK* parent, wxWindow* child )
 350 {
 351     wxASSERT( GTK_IS_WIDGET(child->m_widget) );
 352
 353     if (!parent->m_insertInClientArea)
 354     {
 355         // these are outside the client area
 356         wxTopLevelWindowGTK* frame = (wxTopLevelWindowGTK*) parent;
 357         gtk_pizza_put( GTK_PIZZA(frame->m_mainWidget),
 358                          GTK_WIDGET(child->m_widget),
 359                          child->m_x,
 360                          child->m_y,
 361                          child->m_width,
 362                          child->m_height );
 363     }
 364     else
 365     {
 366         // these are inside the client area
 367         gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
 368                          GTK_WIDGET(child->m_widget),
 369                          child->m_x,
 370                          child->m_y,
 371                          child->m_width,
 372                          child->m_height );
 373     }
 374
 375     // resize on OnInternalIdle
 376     parent->GtkUpdateSize();
 377 }
 378
 379 // ----------------------------------------------------------------------------
 380 // wxTopLevelWindowGTK creation
 381 // ----------------------------------------------------------------------------
 382
 383 void wxTopLevelWindowGTK::Init()
 384 {
 385     m_sizeSet = FALSE;
 386     m_miniEdge = 0;
 387     m_miniTitle = 0;
 388     m_mainWidget = (GtkWidget*) NULL;
 389     m_insertInClientArea = TRUE;
 390     m_isIconized = FALSE;
 391     m_fsIsShowing = FALSE;
 392     m_themeEnabled = TRUE;
 393     m_gdkDecor = m_gdkFunc = 0;
 394     m_grabbed = FALSE;
 395 }
 396
 397 bool wxTopLevelWindowGTK::Create( wxWindow *parent,
 398                                   wxWindowID id,
 399                                   const wxString& title,
 400                                   const wxPoint& pos,
 401                                   const wxSize& sizeOrig,
 402                                   long style,
 403                                   const wxString &name )
 404 {
 405     // always create a frame of some reasonable, even if arbitrary, size (at
 406     // least for MSW compatibility)
 407     wxSize size = sizeOrig;
 408     size.x = WidthDefault(size.x);
 409     size.y = HeightDefault(size.y);
 410
 411     wxTopLevelWindows.Append( this );
 412
 413     m_needParent = FALSE;
 414
 415     if (!PreCreation( parent, pos, size ) ||
 416         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 417     {
 418         wxFAIL_MSG( wxT("wxTopLevelWindowGTK creation failed") );
 419         return FALSE;
 420     }
 421
 422     m_title = title;
 423
 424     m_insertCallback = (wxInsertChildFunction) wxInsertChildInTopLevelWindow;
 425
 426     // NB: m_widget may be !=NULL if it was created by derived class' Create,
 427     //     e.g. in wxTaskBarIconAreaGTK
 428     if (m_widget == NULL)
 429     {
 430         GtkWindowType win_type = GTK_WINDOW_TOPLEVEL;
 431         if (style & wxFRAME_TOOL_WINDOW)
 432             win_type = GTK_WINDOW_POPUP;
 433
 434         if (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)
 435         {
 436 #ifdef __WXGTK20__
 437             m_widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 438             // Tell WM that this is a dialog window and make it center
 439             // on parent by default (this is what GtkDialog ctor does):
 440             gtk_window_set_type_hint(GTK_WINDOW(m_widget),
 441                                      GDK_WINDOW_TYPE_HINT_DIALOG);
 442             gtk_window_set_position(GTK_WINDOW(m_widget),
 443                                     GTK_WIN_POS_CENTER_ON_PARENT);
 444 #else
 445             m_widget = gtk_window_new(GTK_WINDOW_DIALOG);
 446 #endif
 447         }
 448         else
 449         {
 450             m_widget = gtk_window_new(win_type);
 451         }
 452     }
 453
 454     wxWindow *topParent = wxGetTopLevelParent(m_parent);
 455     if (topParent && (((GTK_IS_WINDOW(topParent->m_widget)) &&
 456                       (GetExtraStyle() & wxTOPLEVEL_EX_DIALOG)) ||
 457                      (style & wxFRAME_FLOAT_ON_PARENT)))
 458     {
 459         gtk_window_set_transient_for( GTK_WINDOW(m_widget),
 460                                       GTK_WINDOW(topParent->m_widget) );
 461     }
 462
 463 #if GTK_CHECK_VERSION(2,2,0)
 464     if (style & wxFRAME_NO_TASKBAR)
 465     {
 466         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(m_widget), TRUE);
 467     }
 468 #endif
 469
 470     if (!name.IsEmpty())
 471         gtk_window_set_wmclass( GTK_WINDOW(m_widget), wxGTK_CONV( name ), wxGTK_CONV( name ) );
 472
 473     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 474     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 475
 476     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 477         GTK_SIGNAL_FUNC(gtk_frame_delete_callback), (gpointer)this );
 478
 479     // m_mainWidget holds the toolbar, the menubar and the client area
 480     m_mainWidget = gtk_pizza_new();
 481     gtk_widget_show( m_mainWidget );
 482     GTK_WIDGET_UNSET_FLAGS( m_mainWidget, GTK_CAN_FOCUS );
 483     gtk_container_add( GTK_CONTAINER(m_widget), m_mainWidget );
 484
 485     if (m_miniEdge == 0) // wxMiniFrame has its own version.
 486     {
 487        // For m_mainWidget themes
 488        gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 489                 GTK_SIGNAL_FUNC(gtk_window_expose_callback), (gpointer)this );
 490 #ifndef __WXGTK20__
 491        gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 492                 GTK_SIGNAL_FUNC(gtk_window_draw_callback), (gpointer)this );
 493 #endif
 494     }
 495
 496     // m_wxwindow only represents the client area without toolbar and menubar
 497     m_wxwindow = gtk_pizza_new();
 498     gtk_widget_show( m_wxwindow );
 499     gtk_container_add( GTK_CONTAINER(m_mainWidget), m_wxwindow );
 500
 501     // we donm't allow the frame to get the focus as otherwise
 502     // the frame will grab it at arbitrary focus changes
 503     GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS );
 504
 505     if (m_parent) m_parent->AddChild( this );
 506
 507     // the user resized the frame by dragging etc.
 508     gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
 509         GTK_SIGNAL_FUNC(gtk_frame_size_callback), (gpointer)this );
 510
 511     PostCreation();
 512
 513     if ((m_x != -1) || (m_y != -1))
 514         gtk_widget_set_uposition( m_widget, m_x, m_y );
 515
 516     gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 517
 518     //  we cannot set MWM hints and icons before the widget has
 519     //  been realized, so we do this directly after realization
 520     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 521                         GTK_SIGNAL_FUNC(gtk_frame_realized_callback), (gpointer) this );
 522
 523     // the only way to get the window size is to connect to this event
 524     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 525         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 526
 527     // map and unmap for iconized state
 528     gtk_signal_connect( GTK_OBJECT(m_widget), "map_event",
 529         GTK_SIGNAL_FUNC(gtk_frame_map_callback), (gpointer)this );
 530     gtk_signal_connect( GTK_OBJECT(m_widget), "unmap_event",
 531         GTK_SIGNAL_FUNC(gtk_frame_unmap_callback), (gpointer)this );
 532
 533     // the only way to get the window size is to connect to this event
 534     gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event",
 535         GTK_SIGNAL_FUNC(gtk_frame_configure_callback), (gpointer)this );
 536
 537     // disable native tab traversal
 538     gtk_signal_connect( GTK_OBJECT(m_widget), "focus",
 539         GTK_SIGNAL_FUNC(gtk_frame_focus_callback), (gpointer)this );
 540
 541     // activation
 542     gtk_signal_connect( GTK_OBJECT(m_widget), "focus_in_event",
 543         GTK_SIGNAL_FUNC(gtk_frame_focus_in_callback), (gpointer)this );
 544     gtk_signal_connect( GTK_OBJECT(m_widget), "focus_out_event",
 545         GTK_SIGNAL_FUNC(gtk_frame_focus_out_callback), (gpointer)this );
 546
 547     // decorations
 548     if ((m_miniEdge > 0) || (style & wxSIMPLE_BORDER) || (style & wxNO_BORDER))
 549     {
 550         m_gdkDecor = 0;
 551         m_gdkFunc = 0;
 552     }
 553     else
 554     {
 555         m_gdkDecor = (long) GDK_DECOR_BORDER;
 556         m_gdkFunc = (long) GDK_FUNC_MOVE;
 557
 558         // All this is for Motif Window Manager "hints" and is supposed to be
 559         // recognized by other WMs as well.
 560         if ((style & wxCAPTION) != 0)
 561         {
 562             m_gdkDecor |= GDK_DECOR_TITLE;
 563         }
 564         if ((style & wxCLOSE_BOX) != 0)
 565         {
 566             m_gdkFunc |= GDK_FUNC_CLOSE;
 567         }
 568         if ((style & wxSYSTEM_MENU) != 0)
 569         {
 570             m_gdkDecor |= GDK_DECOR_MENU;
 571         }
 572         if ((style & wxMINIMIZE_BOX) != 0)
 573         {
 574             m_gdkFunc |= GDK_FUNC_MINIMIZE;
 575             m_gdkDecor |= GDK_DECOR_MINIMIZE;
 576         }
 577         if ((style & wxMAXIMIZE_BOX) != 0)
 578         {
 579             m_gdkFunc |= GDK_FUNC_MAXIMIZE;
 580             m_gdkDecor |= GDK_DECOR_MAXIMIZE;
 581         }
 582         if ((style & wxRESIZE_BORDER) != 0)
 583         {
 584            m_gdkFunc |= GDK_FUNC_RESIZE;
 585            m_gdkDecor |= GDK_DECOR_RESIZEH;
 586         }
 587     }
 588
 589     return TRUE;
 590 }
 591
 592 wxTopLevelWindowGTK::~wxTopLevelWindowGTK()
 593 {
 594     if (m_grabbed)
 595     {
 596         wxASSERT_MSG( FALSE, _T("Window still grabbed"));
 597         RemoveGrab();
 598     }
 599
 600     m_isBeingDeleted = TRUE;
 601
 602     // it may also be GtkScrolledWindow in the case of an MDI child
 603     if (GTK_IS_WINDOW(m_widget))
 604     {
 605         gtk_window_set_focus( GTK_WINDOW(m_widget), NULL );
 606     }
 607
 608     if (g_activeFrame == this)
 609         g_activeFrame = NULL;
 610     if (g_lastActiveFrame == this)
 611         g_lastActiveFrame = NULL;
 612 }
 613
 614
 615
 616 bool wxTopLevelWindowGTK::ShowFullScreen(bool show, long style )
 617 {
 618     if (show == m_fsIsShowing) return FALSE; // return what?
 619
 620     m_fsIsShowing = show;
 621
 622     GdkWindow *window = m_widget->window;
 623     wxX11FullScreenMethod method =
 624         wxGetFullScreenMethodX11((WXDisplay*)GDK_DISPLAY(),
 625                                  (WXWindow)GDK_ROOT_WINDOW());
 626
 627     if (show)
 628     {
 629         m_fsSaveFlag = style;
 630         GetPosition( &m_fsSaveFrame.x, &m_fsSaveFrame.y );
 631         GetSize( &m_fsSaveFrame.width, &m_fsSaveFrame.height );
 632
 633         int screen_width,screen_height;
 634         wxDisplaySize( &screen_width, &screen_height );
 635
 636                 gint client_x, client_y, root_x, root_y;
 637                 gint width, height;
 638
 639         if (method != wxX11_FS_WMSPEC)
 640         {
 641             // don't do it always, Metacity hates it
 642             m_fsSaveGdkFunc = m_gdkFunc;
 643             m_fsSaveGdkDecor = m_gdkDecor;
 644             m_gdkFunc = m_gdkDecor = 0;
 645             gdk_window_set_decorations(window, (GdkWMDecoration)0);
 646             gdk_window_set_functions(window, (GdkWMFunction)0);
 647         }
 648
 649                 gdk_window_get_origin (m_widget->window, &root_x, &root_y);
 650                 gdk_window_get_geometry (m_widget->window, &client_x, &client_y,
 651                                          &width, &height, NULL);
 652
 653                 gdk_window_move_resize (m_widget->window, -client_x, -client_y,
 654                                         screen_width + 1, screen_height + 1);
 655
 656         wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 657                                 (WXWindow)GDK_ROOT_WINDOW(),
 658                                 (WXWindow)GDK_WINDOW_XWINDOW(window),
 659                                 show, &m_fsSaveFrame, method);
 660     }
 661     else
 662     {
 663         if (method != wxX11_FS_WMSPEC)
 664         {
 665             // don't do it always, Metacity hates it
 666             m_gdkFunc = m_fsSaveGdkFunc;
 667             m_gdkDecor = m_fsSaveGdkDecor;
 668             gdk_window_set_decorations(window, (GdkWMDecoration)m_gdkDecor);
 669             gdk_window_set_functions(window, (GdkWMFunction)m_gdkFunc);
 670         }
 671
 672         wxSetFullScreenStateX11((WXDisplay*)GDK_DISPLAY(),
 673                                 (WXWindow)GDK_ROOT_WINDOW(),
 674                                 (WXWindow)GDK_WINDOW_XWINDOW(window),
 675                                 show, &m_fsSaveFrame, method);
 676
 677         SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
 678                 m_fsSaveFrame.width, m_fsSaveFrame.height);
 679     }
 680
 681
 682     return TRUE;
 683 }
 684
 685 // ----------------------------------------------------------------------------
 686 // overridden wxWindow methods
 687 // ----------------------------------------------------------------------------
 688
 689 bool wxTopLevelWindowGTK::Show( bool show )
 690 {
 691     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 692
 693     if (show && !m_sizeSet)
 694     {
 695         /* by calling GtkOnSize here, we don't have to call
 696            either after showing the frame, which would entail
 697            much ugly flicker or from within the size_allocate
 698            handler, because GTK 1.1.X forbids that. */
 699
 700         GtkOnSize( m_x, m_y, m_width, m_height );
 701     }
 702
 703     return wxWindow::Show( show );
 704 }
 705
 706 void wxTopLevelWindowGTK::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 707 {
 708     wxFAIL_MSG( wxT("DoMoveWindow called for wxTopLevelWindowGTK") );
 709 }
 710
 711 void wxTopLevelWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 712 {
 713     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 714
 715     // this shouldn't happen: wxFrame, wxMDIParentFrame and wxMDIChildFrame have m_wxwindow
 716     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid frame") );
 717
 718     // avoid recursions
 719     if (m_resizing)
 720         return;
 721     m_resizing = TRUE;
 722
 723     int old_x = m_x;
 724     int old_y = m_y;
 725
 726     int old_width = m_width;
 727     int old_height = m_height;
 728
 729     if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0)
 730     {
 731         if (x != -1) m_x = x;
 732         if (y != -1) m_y = y;
 733     }
 734     else
 735     {
 736         m_x = x;
 737         m_y = y;
 738     }
 739     if (width != -1) m_width = width;
 740     if (height != -1) m_height = height;
 741
 742 /*
 743     if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
 744     {
 745         if (width == -1) m_width = 80;
 746     }
 747
 748     if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
 749     {
 750        if (height == -1) m_height = 26;
 751     }
 752 */
 753
 754     int minWidth = GetMinWidth(),
 755         minHeight = GetMinHeight(),
 756         maxWidth = GetMaxWidth(),
 757         maxHeight = GetMaxHeight();
 758
 759 #ifdef __WXGPE__
 760     // GPE's window manager doesn't like size hints
 761     // at all, esp. when the user has to use the
 762     // virtual keyboard.
 763     minWidth = -1;
 764     minHeight = -1;
 765     maxWidth = -1;
 766     maxHeight = -1;
 767 #endif
 768
 769     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 770     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 771     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 772     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 773
 774     if ((m_x != -1) || (m_y != -1))
 775     {
 776         if ((m_x != old_x) || (m_y != old_y))
 777         {
 778             gtk_widget_set_uposition( m_widget, m_x, m_y );
 779         }
 780     }
 781
 782     if ((m_width != old_width) || (m_height != old_height))
 783     {
 784         if (m_widget->window)
 785             gdk_window_resize( m_widget->window, m_width, m_height );
 786         else
 787             gtk_window_set_default_size( GTK_WINDOW(m_widget), m_width, m_height );
 788
 789         /* we set the size in GtkOnSize, i.e. mostly the actual resizing is
 790            done either directly before the frame is shown or in idle time
 791            so that different calls to SetSize() don't lead to flicker. */
 792         m_sizeSet = FALSE;
 793     }
 794
 795     m_resizing = FALSE;
 796 }
 797
 798 void wxTopLevelWindowGTK::DoGetClientSize( int *width, int *height ) const
 799 {
 800     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 801
 802     wxWindow::DoGetClientSize( width, height );
 803     if (height)
 804     {
 805         // mini edge
 806         *height -= m_miniEdge*2 + m_miniTitle;
 807     }
 808     if (width)
 809     {
 810         *width -= m_miniEdge*2;
 811     }
 812 }
 813
 814 void wxTopLevelWindowGTK::DoSetClientSize( int width, int height )
 815 {
 816     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 817
 818     DoSetSize(-1, -1,
 819               width + m_miniEdge*2, height  + m_miniEdge*2 + m_miniTitle, 0);
 820 }
 821
 822 void wxTopLevelWindowGTK::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y),
 823                                      int width, int height )
 824 {
 825     // due to a bug in gtk, x,y are always 0
 826     // m_x = x;
 827     // m_y = y;
 828
 829     // avoid recursions
 830     if (m_resizing) return;
 831     m_resizing = TRUE;
 832
 833     if ( m_wxwindow == NULL ) return;
 834
 835     m_width = width;
 836     m_height = height;
 837
 838     /* wxMDIChildFrame derives from wxFrame but it _is_ a wxWindow as it uses
 839        wxWindow::Create to create it's GTK equivalent. m_mainWidget is only
 840        set in wxFrame::Create so it is used to check what kind of frame we
 841        have here. if m_mainWidget is NULL it is a wxMDIChildFrame and so we
 842        skip the part which handles m_frameMenuBar, m_frameToolBar and (most
 843        importantly) m_mainWidget */
 844
 845     int minWidth = GetMinWidth(),
 846         minHeight = GetMinHeight(),
 847         maxWidth = GetMaxWidth(),
 848         maxHeight = GetMaxHeight();
 849
 850 #ifdef __WXGPE__
 851     // GPE's window manager doesn't like size hints
 852     // at all, esp. when the user has to use the
 853     // virtual keyboard.
 854     minWidth = -1;
 855     minHeight = -1;
 856     maxWidth = -1;
 857     maxHeight = -1;
 858 #endif
 859
 860     if ((minWidth != -1) && (m_width < minWidth)) m_width = minWidth;
 861     if ((minHeight != -1) && (m_height < minHeight)) m_height = minHeight;
 862     if ((maxWidth != -1) && (m_width > maxWidth)) m_width = maxWidth;
 863     if ((maxHeight != -1) && (m_height > maxHeight)) m_height = maxHeight;
 864
 865     if (m_mainWidget)
 866     {
 867         // set size hints
 868         gint            flag = 0; // GDK_HINT_POS;
 869         GdkGeometry     geom;
 870
 871         if ((minWidth != -1) || (minHeight != -1)) flag |= GDK_HINT_MIN_SIZE;
 872         if ((maxWidth != -1) || (maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE;
 873
 874         geom.min_width = minWidth;
 875         geom.min_height = minHeight;
 876
 877             // Because of the way we set GDK_HINT_MAX_SIZE above, if either of
 878             // maxHeight or maxWidth is set, we must set them both, else the
 879             // remaining -1 will be taken literally.
 880
 881             // I'm certain this also happens elsewhere, and is the probable
 882             // cause of other such things as:
 883             // Gtk-WARNING **: gtk_widget_size_allocate():
 884             //       attempt to allocate widget with width 65535 and height 600
 885             // but I don't have time to track them all now..
 886             //
 887             // Really we need to encapulate all this height/width business and
 888             // stop any old method from ripping at the members directly and
 889             // scattering -1's without regard for who might resolve them later.
 890
 891         geom.max_width = ( maxHeight == -1 ) ? maxWidth
 892                          : ( maxWidth == -1 ) ? wxGetDisplaySize().GetWidth()
 893                            : maxWidth ;
 894
 895         geom.max_height = ( maxWidth == -1 ) ? maxHeight    // ( == -1 here )
 896                           : ( maxHeight == -1 ) ? wxGetDisplaySize().GetHeight()
 897                             : maxHeight ;
 898
 899         gtk_window_set_geometry_hints( GTK_WINDOW(m_widget),
 900                                        (GtkWidget*) NULL,
 901                                        &geom,
 902                                        (GdkWindowHints) flag );
 903
 904         /* I revert back to wxGTK's original behaviour. m_mainWidget holds the
 905          * menubar, the toolbar and the client area, which is represented by
 906          * m_wxwindow.
 907          * this hurts in the eye, but I don't want to call SetSize()
 908          * because I don't want to call any non-native functions here. */
 909
 910         int client_x = m_miniEdge;
 911         int client_y = m_miniEdge + m_miniTitle;
 912         int client_w = m_width - 2*m_miniEdge;
 913         int client_h = m_height - 2*m_miniEdge - m_miniTitle;
 914
 915         gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
 916                               m_wxwindow,
 917                               client_x, client_y, client_w, client_h );
 918     }
 919     else
 920     {
 921         // If there is no m_mainWidget between m_widget and m_wxwindow there
 922         // is no need to set the size or position of m_wxwindow.
 923     }
 924
 925     m_sizeSet = TRUE;
 926
 927     // send size event to frame
 928     wxSizeEvent event( wxSize(m_width,m_height), GetId() );
 929     event.SetEventObject( this );
 930     GetEventHandler()->ProcessEvent( event );
 931
 932     m_resizing = FALSE;
 933 }
 934
 935 void wxTopLevelWindowGTK::OnInternalIdle()
 936 {
 937     if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow))
 938     {
 939         GtkOnSize( m_x, m_y, m_width, m_height );
 940
 941         // we'll come back later
 942         if (g_isIdle)
 943             wxapp_install_idle_handler();
 944         return;
 945     }
 946
 947     // set the focus if not done yet and if we can already do it
 948     if ( GTK_WIDGET_REALIZED(m_wxwindow) )
 949     {
 950         if ( g_delayedFocus &&
 951              wxGetTopLevelParent((wxWindow*)g_delayedFocus) == this )
 952         {
 953             wxLogTrace(_T("focus"),
 954                        _T("Setting focus from wxTLW::OnIdle() to %s(%s)"),
 955                        g_delayedFocus->GetClassInfo()->GetClassName(),
 956                        g_delayedFocus->GetLabel().c_str());
 957
 958             g_delayedFocus->SetFocus();
 959             g_delayedFocus = NULL;
 960         }
 961     }
 962
 963     wxWindow::OnInternalIdle();
 964
 965     // Synthetize activate events.
 966     if ( g_sendActivateEvent != -1 )
 967     {
 968         bool activate = g_sendActivateEvent != 0;
 969
 970         // if (!activate) wxPrintf( wxT("de") );
 971         // wxPrintf( wxT("activate\n") );
 972
 973         // do it only once
 974         g_sendActivateEvent = -1;
 975
 976         wxTheApp->SetActive(activate, (wxWindow *)g_lastActiveFrame);
 977     }
 978 }
 979
 980 // ----------------------------------------------------------------------------
 981 // frame title/icon
 982 // ----------------------------------------------------------------------------
 983
 984 void wxTopLevelWindowGTK::SetTitle( const wxString &title )
 985 {
 986     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
 987
 988     m_title = title;
 989     gtk_window_set_title( GTK_WINDOW(m_widget), wxGTK_CONV( title ) );
 990 }
 991
 992 void wxTopLevelWindowGTK::SetIcon( const wxIcon &icon )
 993 {
 994     SetIcons( wxIconBundle( icon ) );
 995 }
 996
 997 void wxTopLevelWindowGTK::SetIcons( const wxIconBundle &icons )
 998 {
 999     wxASSERT_MSG( (m_widget != NULL), wxT("invalid frame") );
1000
1001     wxTopLevelWindowBase::SetIcons( icons );
1002
1003 #ifdef __WXGTK20__
1004     GList *list = NULL;
1005     size_t max = icons.m_icons.GetCount();
1006
1007     for (size_t i = 0; i < max; i++)
1008     {
1009         if (icons.m_icons[i].Ok())
1010         {
1011             list = g_list_prepend(list, icons.m_icons[i].GetPixbuf());
1012         }
1013     }
1014     gtk_window_set_icon_list(GTK_WINDOW(m_widget), list);
1015     g_list_free(list);
1016
1017 #else // !__WXGTK20__
1018     GdkWindow* window = m_widget->window;
1019     if (!window)
1020         return;
1021
1022     wxIcon icon = icons.GetIcon(-1);
1023     if (icon.Ok())
1024     {
1025         wxMask *mask = icon.GetMask();
1026         GdkBitmap *bm = (GdkBitmap *) NULL;
1027         if (mask) bm = mask->GetBitmap();
1028
1029         gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm );
1030     }
1031
1032     wxSetIconsX11( (WXDisplay*)GDK_WINDOW_XDISPLAY( window ),
1033                    (WXWindow)GDK_WINDOW_XWINDOW( window ), icons );
1034 #endif // !__WXGTK20__
1035 }
1036
1037 // ----------------------------------------------------------------------------
1038 // frame state: maximized/iconized/normal
1039 // ----------------------------------------------------------------------------
1040
1041 void wxTopLevelWindowGTK::Maximize(bool maximize)
1042 {
1043 #ifdef __WXGTK20__
1044     if (maximize)
1045         gtk_window_maximize( GTK_WINDOW( m_widget ) );
1046     else
1047         gtk_window_unmaximize( GTK_WINDOW( m_widget ) );
1048 #else
1049     wxFAIL_MSG( _T("not implemented") );
1050 #endif
1051 }
1052
1053 bool wxTopLevelWindowGTK::IsMaximized() const
1054 {
1055 #ifdef __WXGTK20__
1056     if(!m_widget->window)
1057         return false;
1058
1059     return gdk_window_get_state(m_widget->window) & GDK_WINDOW_STATE_MAXIMIZED;
1060 #else
1061   //    wxFAIL_MSG( _T("not implemented") );
1062
1063     // This is an approximation
1064     return FALSE;
1065 #endif
1066 }
1067
1068 void wxTopLevelWindowGTK::Restore()
1069 {
1070 #ifdef __WXGTK20__
1071     // "Present" seems similar enough to "restore"
1072     gtk_window_present( GTK_WINDOW( m_widget ) );
1073 #else
1074     wxFAIL_MSG( _T("not implemented") );
1075 #endif
1076 }
1077
1078 void wxTopLevelWindowGTK::Iconize( bool iconize )
1079 {
1080 #ifdef __WXGTK20__
1081     if (iconize)
1082         gtk_window_iconify( GTK_WINDOW( m_widget ) );
1083     else
1084         gtk_window_deiconify( GTK_WINDOW( m_widget ) );
1085 #else
1086    if (iconize)
1087    {
1088        GdkWindow *window = m_widget->window;
1089
1090        // you should do it later, for example from OnCreate() handler
1091        wxCHECK_RET( window, _T("frame not created yet - can't iconize") );
1092
1093        XIconifyWindow( GDK_WINDOW_XDISPLAY( window ),
1094                        GDK_WINDOW_XWINDOW( window ),
1095                        DefaultScreen( GDK_DISPLAY() ) );
1096    }
1097 #endif
1098 }
1099
1100 bool wxTopLevelWindowGTK::IsIconized() const
1101 {
1102     return m_isIconized;
1103 }
1104
1105 void wxTopLevelWindowGTK::SetIconizeState(bool iconize)
1106 {
1107     if ( iconize != m_isIconized )
1108     {
1109         m_isIconized = iconize;
1110         (void)SendIconizeEvent(iconize);
1111     }
1112 }
1113
1114 void wxTopLevelWindowGTK::AddGrab()
1115 {
1116     if (!m_grabbed)
1117     {
1118         m_grabbed = TRUE;
1119         gtk_grab_add( m_widget );
1120         gtk_main();
1121         gtk_grab_remove( m_widget );
1122     }
1123 }
1124
1125 void wxTopLevelWindowGTK::RemoveGrab()
1126 {
1127     if (m_grabbed)
1128     {
1129         gtk_main_quit();
1130         m_grabbed = FALSE;
1131     }
1132 }
1133
1134
1135 // helper
1136 static bool do_shape_combine_region(GdkWindow* window, const wxRegion& region)
1137 {
1138     if (window)
1139     {
1140         if (region.IsEmpty())
1141         {
1142             gdk_window_shape_combine_mask(window, NULL, 0, 0);
1143         }
1144         else
1145         {
1146 #ifdef __WXGTK20__
1147         gdk_window_shape_combine_region(window, region.GetRegion(), 0, 0);
1148 #else
1149         wxBitmap bmp = region.ConvertToBitmap();
1150         bmp.SetMask(new wxMask(bmp, *wxBLACK));
1151         GdkBitmap* mask = bmp.GetMask()->GetBitmap();
1152         gdk_window_shape_combine_mask(window, mask, 0, 0);
1153 #endif
1154         return TRUE;
1155         }
1156     }
1157     return FALSE;
1158 }
1159
1160
1161 bool wxTopLevelWindowGTK::SetShape(const wxRegion& region)
1162 {
1163     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
1164                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1165
1166     GdkWindow *window = NULL;
1167     if (m_wxwindow)
1168     {
1169         window = GTK_PIZZA(m_wxwindow)->bin_window;
1170         do_shape_combine_region(window, region);
1171     }
1172     window = m_widget->window;
1173     return do_shape_combine_region(window, region);
1174 }
1175
1176 bool wxTopLevelWindowGTK::IsActive()
1177 {
1178     return (this == (wxTopLevelWindowGTK*)g_activeFrame);
1179 }
1180