src/gtk/popupwin.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/popupwin.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_POPUPWIN
  14
  15 #include "wx/popupwin.h"
  16
  17 #ifndef WX_PRECOMP
  18 #endif // WX_PRECOMP
  19
  20 #include <gtk/gtk.h>
  21
  22 #include "wx/gtk/private/win_gtk.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // "button_press"
  26 //-----------------------------------------------------------------------------
  27
  28 extern "C" {
  29 static gint gtk_popup_button_press (GtkWidget *widget, GdkEvent *gdk_event, wxPopupWindow* win )
  30 {
  31     GtkWidget *child = gtk_get_event_widget (gdk_event);
  32
  33     /* Ignore events sent out before we connected to the signal */
  34     if (win->m_time >= ((GdkEventButton*)gdk_event)->time)
  35         return FALSE;
  36
  37     /*  We don't ask for button press events on the grab widget, so
  38      *  if an event is reported directly to the grab widget, it must
  39      *  be on a window outside the application (and thus we remove
  40      *  the popup window). Otherwise, we check if the widget is a child
  41      *  of the grab widget, and only remove the popup window if it
  42      *  is not. */
  43     if (child != widget)
  44     {
  45         while (child)
  46         {
  47             if (child == widget)
  48                 return FALSE;
  49             child = child->parent;
  50         }
  51     }
  52
  53     wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
  54     event.SetEventObject( win );
  55
  56     (void)win->HandleWindowEvent( event );
  57
  58     return TRUE;
  59 }
  60 }
  61
  62 //-----------------------------------------------------------------------------
  63 // "delete_event"
  64 //-----------------------------------------------------------------------------
  65
  66 extern "C" {
  67 bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxPopupWindow *win )
  68 {
  69     if (win->IsEnabled())
  70         win->Close();
  71
  72     return TRUE;
  73 }
  74 }
  75
  76 void wxPopupWindow::AddChildGTK(wxWindowGTK* child)
  77 {
  78     gtk_widget_set_size_request(
  79         child->m_widget, child->m_width, child->m_height);
  80     gtk_fixed_put(
  81         GTK_FIXED(m_wxwindow), child->m_widget, child->m_x, child->m_y);
  82 }
  83
  84 //-----------------------------------------------------------------------------
  85 // wxPopupWindow
  86 //-----------------------------------------------------------------------------
  87
  88 #ifdef __WXUNIVERSAL__
  89 BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
  90     EVT_SIZE(wxPopupWindow::OnSize)
  91 END_EVENT_TABLE()
  92 #endif
  93
  94 wxPopupWindow::~wxPopupWindow()
  95 {
  96 }
  97
  98 bool wxPopupWindow::Create( wxWindow *parent, int style )
  99 {
 100     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 101         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("popup") ))
 102     {
 103         wxFAIL_MSG( wxT("wxPopupWindow creation failed") );
 104         return false;
 105     }
 106
 107     // Unlike windows, top level windows are created hidden by default.
 108     m_isShown = false;
 109
 110     // All dialogs should really have this style
 111     m_windowStyle |= wxTAB_TRAVERSAL;
 112
 113     m_widget = gtk_window_new( GTK_WINDOW_POPUP );
 114     g_object_ref( m_widget );
 115
 116     gtk_widget_set_name( m_widget, "wxPopupWindow" );
 117     // wxPopupWindow is used for different windows as well
 118     // gtk_window_set_type_hint( GTK_WINDOW(m_widget), GDK_WINDOW_TYPE_HINT_COMBO );
 119
 120     GtkWidget *toplevel = gtk_widget_get_toplevel( parent->m_widget );
 121     if (GTK_IS_WINDOW (toplevel))
 122     {
 123         gtk_window_group_add_window (gtk_window_get_group (GTK_WINDOW (toplevel)), GTK_WINDOW (m_widget));
 124         gtk_window_set_transient_for (GTK_WINDOW (m_widget), GTK_WINDOW (toplevel));
 125     }
 126     gtk_window_set_resizable (GTK_WINDOW (m_widget), FALSE);
 127     gtk_window_set_screen (GTK_WINDOW (m_widget), gtk_widget_get_screen (GTK_WIDGET (parent->m_widget)));
 128
 129     g_signal_connect (m_widget, "delete_event",
 130                       G_CALLBACK (gtk_dialog_delete_callback), this);
 131
 132     m_wxwindow = wxPizza::New(m_windowStyle);
 133     gtk_widget_show( m_wxwindow );
 134
 135     gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow );
 136
 137     if (m_parent) m_parent->AddChild( this );
 138
 139     PostCreation();
 140
 141     m_time = gtk_get_current_event_time();
 142
 143     g_signal_connect (m_widget, "button_press_event",
 144                       G_CALLBACK (gtk_popup_button_press), this);
 145
 146     return true;
 147 }
 148
 149 void wxPopupWindow::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) )
 150 {
 151     wxFAIL_MSG( wxT("DoMoveWindow called for wxPopupWindow") );
 152 }
 153
 154 void wxPopupWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags )
 155 {
 156     wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") );
 157     wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") );
 158
 159     int old_x = m_x;
 160     int old_y = m_y;
 161
 162     int old_width = m_width;
 163     int old_height = m_height;
 164
 165     if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 166         m_x = x;
 167     if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 168         m_y = y;
 169     if (width != -1)
 170         m_width = width;
 171     if (height != -1)
 172         m_height = height;
 173
 174     ConstrainSize();
 175
 176     if ((m_x != -1) || (m_y != -1))
 177     {
 178         if ((m_x != old_x) || (m_y != old_y))
 179         {
 180             gtk_window_move( GTK_WINDOW(m_widget), m_x, m_y );
 181         }
 182     }
 183
 184     if ((m_width != old_width) || (m_height != old_height))
 185     {
 186         // gtk_window_resize does not work for GTK_WINDOW_POPUP
 187         gtk_widget_set_size_request( m_widget, m_width, m_height );
 188         wxSizeEvent event(GetSize(), GetId());
 189         event.SetEventObject(this);
 190         HandleWindowEvent(event);
 191     }
 192 }
 193
 194 void wxPopupWindow::SetFocus()
 195 {
 196     // set the focus to the first child who wants it
 197     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 198     while ( node )
 199     {
 200         wxWindow *child = node->GetData();
 201         node = node->GetNext();
 202
 203         if ( child->CanAcceptFocus() && !child->IsTopLevel() )
 204         {
 205             child->SetFocus();
 206             return;
 207         }
 208     }
 209
 210     wxPopupWindowBase::SetFocus();
 211 }
 212
 213 bool wxPopupWindow::Show( bool show )
 214 {
 215     if (show && !IsShown())
 216     {
 217         wxSizeEvent event(GetSize(), GetId());
 218         event.SetEventObject(this);
 219         HandleWindowEvent(event);
 220     }
 221
 222     bool ret = wxWindow::Show( show );
 223
 224     return ret;
 225 }
 226
 227 #endif // wxUSE_POPUPWIN