src/gtk/fontpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/fontpicker.cpp
   3 // Purpose:     implementation of wxFontButton
   4 // Author:      Francesco Montorsi
   5 // Modified By:
   6 // Created:     15/04/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) Francesco Montorsi
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12
  13 // ----------------------------------------------------------------------------
  14 // headers
  15 // ----------------------------------------------------------------------------
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #if wxUSE_FONTPICKERCTRL && defined(__WXGTK24__)
  21
  22 #include "wx/fontpicker.h"
  23
  24 #include "wx/fontutil.h"        // for wxNativeFontInfo
  25 #include "wx/gtk/private.h"
  26
  27 // ============================================================================
  28 // implementation
  29 // ============================================================================
  30
  31 //-----------------------------------------------------------------------------
  32 // "font-set"
  33 //-----------------------------------------------------------------------------
  34
  35 extern "C" {
  36 static void gtk_fontbutton_setfont_callback(GtkFontButton *widget,
  37                                             wxFontButton *p)
  38 {
  39     // update the m_selectedFont member of the wxFontButton
  40     wxASSERT(p);
  41     p->SetNativeFontInfo(gtk_font_button_get_font_name(widget));
  42
  43     // fire the colour-changed event
  44     wxFontPickerEvent event(p, p->GetId(), p->GetSelectedFont());
  45     p->GetEventHandler()->ProcessEvent(event);
  46 }
  47 }
  48
  49 //-----------------------------------------------------------------------------
  50 // wxFontButton
  51 //-----------------------------------------------------------------------------
  52
  53 IMPLEMENT_DYNAMIC_CLASS(wxFontButton, wxGenericFontButton)
  54
  55 bool wxFontButton::Create( wxWindow *parent, wxWindowID id,
  56                         const wxFont &initial,
  57                         const wxPoint &pos, const wxSize &size,
  58                         long style, const wxValidator& validator,
  59                         const wxString &name )
  60 {
  61     if (!gtk_check_version(2,4,0))
  62     {
  63         m_needParent = true;
  64         m_acceptsFocus = true;
  65
  66         if (!PreCreation( parent, pos, size ) ||
  67             !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  68         {
  69             wxFAIL_MSG( wxT("wxFontButton creation failed") );
  70             return false;
  71         }
  72
  73         m_widget = gtk_font_button_new();
  74
  75         // set initial font
  76         m_selectedFont = initial.IsOk() ? initial : *wxNORMAL_FONT;
  77         UpdateFont();
  78
  79         // honour the fontbutton styles
  80         bool showall = (style & wxFNTP_FONTDESC_AS_LABEL) != 0,
  81              usefont = (style & wxFNTP_USEFONT_FOR_LABEL) != 0;
  82         gtk_font_button_set_show_style(GTK_FONT_BUTTON(m_widget), showall);
  83         gtk_font_button_set_show_size(GTK_FONT_BUTTON(m_widget), showall);
  84
  85         gtk_font_button_set_use_size(GTK_FONT_BUTTON(m_widget), usefont);
  86         gtk_font_button_set_use_font(GTK_FONT_BUTTON(m_widget), usefont);
  87
  88         gtk_widget_show( GTK_WIDGET(m_widget) );
  89
  90         // GtkFontButton signals
  91         g_signal_connect(m_widget, "font-set",
  92                         G_CALLBACK(gtk_fontbutton_setfont_callback), this);
  93
  94
  95         m_parent->DoAddChild( this );
  96
  97         PostCreation(size);
  98         SetInitialSize(size);
  99     }
 100     else
 101         return wxGenericFontButton::Create(parent, id, initial, pos, size,
 102                                            style, validator, name);
 103     return true;
 104 }
 105
 106 wxFontButton::~wxFontButton()
 107 {
 108 }
 109
 110 void wxFontButton::UpdateFont()
 111 {
 112     if (!gtk_check_version(2,4,0))
 113     {
 114         const wxNativeFontInfo *info = m_selectedFont.GetNativeFontInfo();
 115         wxASSERT_MSG( info, wxT("The fontbutton's internal font is not valid ?") );
 116
 117         const wxString& fontname = info->ToString();
 118         gtk_font_button_set_font_name(GTK_FONT_BUTTON(m_widget), wxGTK_CONV(fontname));
 119     }
 120     else
 121         wxGenericFontButton::UpdateFont();
 122 }
 123
 124 #endif      // wxUSE_FONTPICKERCTRL && defined(__WXGTK24__)