src/gtk/infobar.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/infobar.cpp
   3 // Purpose:     wxInfoBar implementation for GTK
   4 // Author:      Vadim Zeitlin
   5 // Created:     2009-09-27
   6 // RCS-ID:      $Id: wxhead.cpp,v 1.10 2009-06-29 10:23:04 zeitlin Exp $
   7 // Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/infobar.h"
  27
  28 #if wxUSE_INFOBAR && defined(wxHAS_NATIVE_INFOBAR)
  29
  30 #ifndef WX_PRECOMP
  31 #endif // WX_PRECOMP
  32
  33 #include "wx/gtk/private.h"
  34 #include "wx/gtk/private/messagetype.h"
  35
  36 // ----------------------------------------------------------------------------
  37 // local functions
  38 // ----------------------------------------------------------------------------
  39
  40 namespace
  41 {
  42
  43 inline bool UseNative()
  44 {
  45     // native GtkInfoBar widget is only available in GTK+ 2.18 and later
  46     return gtk_check_version(2, 18, 0) == 0;
  47 }
  48
  49 } // anonymous namespace
  50
  51 extern "C"
  52 {
  53
  54 static void wxgtk_infobar_response(GtkInfoBar * WXUNUSED(infobar),
  55                                    gint btnid,
  56                                    wxInfoBar *win)
  57 {
  58     win->GTKResponse(btnid);
  59 }
  60
  61 static void wxgtk_infobar_close(GtkInfoBar * WXUNUSED(infobar),
  62                                 wxInfoBar *win)
  63 {
  64     win->GTKResponse(wxID_CANCEL);
  65 }
  66
  67 } // extern "C" section with GTK+ callbacks
  68
  69 // ============================================================================
  70 // wxInfoBar implementation
  71 // ============================================================================
  72
  73 bool wxInfoBar::Create(wxWindow *parent, wxWindowID winid)
  74 {
  75     if ( !UseNative() )
  76         return wxInfoBarGeneric::Create(parent, winid);
  77
  78     // this control is created initially hidden
  79     Hide();
  80     if ( !CreateBase(parent, winid) )
  81         return false;
  82
  83     // create the info bar widget itself
  84     m_widget = gtk_info_bar_new();
  85     wxCHECK_MSG( m_widget, false, "failed to create GtkInfoBar" );
  86     g_object_ref(m_widget);
  87
  88     // also create a label which will be used to show our message
  89     m_label = gtk_label_new("");
  90     gtk_widget_show(m_label);
  91
  92     GtkWidget * const
  93         contentArea = gtk_info_bar_get_content_area(GTK_INFO_BAR(m_widget));
  94     wxCHECK_MSG( contentArea, false, "failed to get GtkInfoBar content area" );
  95     gtk_container_add(GTK_CONTAINER(contentArea), m_label);
  96
  97     // finish creation and connect to all the signals we're interested in
  98     m_parent->DoAddChild(this);
  99
 100     PostCreation(wxDefaultSize);
 101
 102     GTKConnectWidget("response", G_CALLBACK(wxgtk_infobar_response));
 103     GTKConnectWidget("close", G_CALLBACK(wxgtk_infobar_close));
 104
 105     return false;
 106 }
 107
 108 void wxInfoBar::ShowMessage(const wxString& msg, int flags)
 109 {
 110     if ( !UseNative() )
 111     {
 112         wxInfoBarGeneric::ShowMessage(msg, flags);
 113         return;
 114     }
 115
 116     GtkMessageType type;
 117     if ( wxGTKImpl::ConvertMessageTypeFromWX(flags, &type) )
 118         gtk_info_bar_set_message_type(GTK_INFO_BAR(m_widget), type);
 119     gtk_label_set_text(GTK_LABEL(m_label), wxGTK_CONV(msg));
 120
 121     if ( !IsShown() )
 122         Show();
 123
 124     UpdateParent();
 125 }
 126
 127 void wxInfoBar::GTKResponse(int WXUNUSED(btnid))
 128 {
 129     Hide();
 130
 131     UpdateParent();
 132 }
 133
 134 void wxInfoBar::AddButton(wxWindowID btnid, const wxString& label)
 135 {
 136     if ( !UseNative() )
 137     {
 138         wxInfoBarGeneric::AddButton(btnid, label);
 139         return;
 140     }
 141
 142     gtk_info_bar_add_button
 143     (
 144         GTK_INFO_BAR(m_widget),
 145         label.empty() ? GTKConvertMnemonics(wxGetStockGtkID(btnid)) : label,
 146         btnid
 147     );
 148 }
 149
 150 #endif // wxUSE_INFOBAR