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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 gtk_widget_show(m_widget);
85
86 // GtkFontButton signals
87 g_signal_connect(m_widget, "font-set",
88 G_CALLBACK(gtk_fontbutton_setfont_callback), this);
89
90
91 m_parent->DoAddChild( this );
92
93 PostCreation(size);
94 SetInitialSize(size);
95
96 return true;
97 }
98
99 wxFontButton::~wxFontButton()
100 {
101 }
102
103 void wxFontButton::UpdateFont()
104 {
105 const wxNativeFontInfo *info = m_selectedFont.GetNativeFontInfo();
106 wxASSERT_MSG( info, wxT("The fontbutton's internal font is not valid ?") );
107
108 const wxString& fontname = info->ToString();
109 gtk_font_button_set_font_name(GTK_FONT_BUTTON(m_widget), wxGTK_CONV(fontname));
110 }
111
112 #endif // wxUSE_FONTPICKERCTRL