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
  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->HandleWindowEvent(event);
  46 }
  47 }
  48
  49 //-----------------------------------------------------------------------------
  50 // wxFontButton
  51 //-----------------------------------------------------------------------------
  52
  53 IMPLEMENT_DYNAMIC_CLASS(wxFontButton, wxButton)
  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 (!PreCreation( parent, pos, size ) ||
  62         !wxControl::CreateBase(parent, id, pos, size, style, validator, name))
  63     {
  64         wxFAIL_MSG( wxT("wxFontButton creation failed") );
  65         return false;
  66     }
  67
  68     m_widget = gtk_font_button_new();
  69     g_object_ref(m_widget);
  70
  71     // set initial font
  72     m_selectedFont = initial.IsOk() ? initial : *wxNORMAL_FONT;
  73     UpdateFont();
  74
  75     // honour the fontbutton styles
  76     bool showall = (style & wxFNTP_FONTDESC_AS_LABEL) != 0,
  77          usefont = (style & wxFNTP_USEFONT_FOR_LABEL) != 0;
  78     gtk_font_button_set_show_style(GTK_FONT_BUTTON(m_widget), showall);
  79     gtk_font_button_set_show_size(GTK_FONT_BUTTON(m_widget), showall);
  80
  81     gtk_font_button_set_use_size(GTK_FONT_BUTTON(m_widget), usefont);
  82     gtk_font_button_set_use_font(GTK_FONT_BUTTON(m_widget), usefont);
  83
  84     // GtkFontButton signals
  85     g_signal_connect(m_widget, "font-set",
  86                     G_CALLBACK(gtk_fontbutton_setfont_callback), this);
  87
  88
  89     m_parent->DoAddChild( this );
  90
  91     PostCreation(size);
  92     SetInitialSize(size);
  93
  94     return true;
  95 }
  96
  97 wxFontButton::~wxFontButton()
  98 {
  99 }
 100
 101 void wxFontButton::UpdateFont()
 102 {
 103     const wxNativeFontInfo *info = m_selectedFont.GetNativeFontInfo();
 104     wxASSERT_MSG( info, wxT("The fontbutton's internal font is not valid ?") );
 105
 106     const wxString& fontname = info->ToString();
 107     gtk_font_button_set_font_name(GTK_FONT_BUTTON(m_widget), wxGTK_CONV(fontname));
 108 }
 109
 110 #endif // wxUSE_FONTPICKERCTRL