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
  65         if (!PreCreation( parent, pos, size ) ||
  66             !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  67         {
  68             wxFAIL_MSG( wxT("wxFontButton creation failed") );
  69             return false;
  70         }
  71
  72         m_widget = gtk_font_button_new();
  73
  74         // set initial font
  75         m_selectedFont = initial.IsOk() ? initial : *wxNORMAL_FONT;
  76         UpdateFont();
  77
  78         // honour the fontbutton styles
  79         bool showall = (style & wxFNTP_FONTDESC_AS_LABEL) != 0,
  80              usefont = (style & wxFNTP_USEFONT_FOR_LABEL) != 0;
  81         gtk_font_button_set_show_style(GTK_FONT_BUTTON(m_widget), showall);
  82         gtk_font_button_set_show_size(GTK_FONT_BUTTON(m_widget), showall);
  83
  84         gtk_font_button_set_use_size(GTK_FONT_BUTTON(m_widget), usefont);
  85         gtk_font_button_set_use_font(GTK_FONT_BUTTON(m_widget), usefont);
  86
  87         gtk_widget_show( GTK_WIDGET(m_widget) );
  88
  89         // GtkFontButton signals
  90         g_signal_connect(m_widget, "font-set",
  91                         G_CALLBACK(gtk_fontbutton_setfont_callback), this);
  92
  93
  94         m_parent->DoAddChild( this );
  95
  96         PostCreation(size);
  97         SetInitialSize(size);
  98     }
  99     else
 100         return wxGenericFontButton::Create(parent, id, initial, pos, size,
 101                                            style, validator, name);
 102     return true;
 103 }
 104
 105 wxFontButton::~wxFontButton()
 106 {
 107 }
 108
 109 void wxFontButton::UpdateFont()
 110 {
 111     if (!gtk_check_version(2,4,0))
 112     {
 113         const wxNativeFontInfo *info = m_selectedFont.GetNativeFontInfo();
 114         wxASSERT_MSG( info, wxT("The fontbutton's internal font is not valid ?") );
 115
 116         const wxString& fontname = info->ToString();
 117         gtk_font_button_set_font_name(GTK_FONT_BUTTON(m_widget), wxGTK_CONV(fontname));
 118     }
 119     else
 120         wxGenericFontButton::UpdateFont();
 121 }
 122
 123 #endif      // wxUSE_FONTPICKERCTRL && defined(__WXGTK24__)