GTK+ callbacks must have C linkage (patch 1157384)
[wxWidgets.git] / src / gtk1 / fontdlg.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gtk/fontdlg.cpp
3 // Purpose: wxFontDialog
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "fontdlg.h"
12 #endif
13
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
16
17 #include "wx/defs.h"
18
19 #if wxUSE_FONTDLG
20
21 #ifndef __WXGPE__
22
23 #include "wx/fontdlg.h"
24 #include "wx/fontutil.h"
25 #include "wx/utils.h"
26 #include "wx/intl.h"
27 #include "wx/debug.h"
28 #include "wx/msgdlg.h"
29
30 #include "wx/gtk/private.h"
31
32 //-----------------------------------------------------------------------------
33 // idle system
34 //-----------------------------------------------------------------------------
35
36 extern void wxapp_install_idle_handler();
37 extern bool g_isIdle;
38
39 //-----------------------------------------------------------------------------
40 // "delete_event"
41 //-----------------------------------------------------------------------------
42
43 extern "C" {
44 static
45 bool gtk_fontdialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
46 {
47 if (g_isIdle)
48 wxapp_install_idle_handler();
49
50 /*
51 printf( "OnDelete from " );
52 if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
53 printf( win->GetClassInfo()->GetClassName() );
54 printf( ".\n" );
55 */
56
57 win->Close();
58
59 return TRUE;
60 }
61 }
62
63 //-----------------------------------------------------------------------------
64 // "clicked" for OK-button
65 //-----------------------------------------------------------------------------
66
67 extern "C" {
68 static
69 void gtk_fontdialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFontDialog *dialog )
70 {
71 if (g_isIdle)
72 wxapp_install_idle_handler();
73
74 GtkFontSelectionDialog *fontdlg = GTK_FONT_SELECTION_DIALOG(dialog->m_widget);
75
76 #ifndef __WXGTK20__
77 GdkFont *gfont = gtk_font_selection_dialog_get_font(fontdlg);
78
79 if (!gfont)
80 {
81 wxMessageBox(_("Please choose a valid font."), _("Error"),
82 wxOK | wxICON_ERROR);
83 return;
84 }
85 #endif
86
87 gchar *fontname = gtk_font_selection_dialog_get_font_name(fontdlg);
88 dialog->SetChosenFont( fontname);
89
90 g_free( fontname );
91
92 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
93 event.SetEventObject( dialog );
94 dialog->GetEventHandler()->ProcessEvent( event );
95 }
96 }
97
98 //-----------------------------------------------------------------------------
99 // "clicked" for Cancel-button
100 //-----------------------------------------------------------------------------
101
102 extern "C" {
103 static
104 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
105 {
106 if (g_isIdle)
107 wxapp_install_idle_handler();
108
109 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
110 event.SetEventObject( dialog );
111 dialog->GetEventHandler()->ProcessEvent( event );
112 }
113 }
114
115 //-----------------------------------------------------------------------------
116 // wxFontDialog
117 //-----------------------------------------------------------------------------
118
119 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog, wxDialog)
120
121 bool wxFontDialog::DoCreate(wxWindow *parent)
122 {
123 m_needParent = FALSE;
124
125 if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
126 !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
127 wxDefaultValidator, wxT("fontdialog") ))
128 {
129 wxFAIL_MSG( wxT("wxFontDialog creation failed") );
130 return FALSE;
131 }
132
133 wxString m_message( _("Choose font") );
134 m_widget = gtk_font_selection_dialog_new( wxGTK_CONV( m_message ) );
135
136 if (parent)
137 gtk_window_set_transient_for(GTK_WINDOW(m_widget),
138 GTK_WINDOW(parent->m_widget));
139
140 GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
141
142 gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
143 GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
144
145 #ifndef __WXGTK20__
146 // strange way to internationalize
147 gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->ok_button) ), _("OK") );
148 #endif
149
150 gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
151 GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
152
153 #ifndef __WXGTK20__
154 // strange way to internationalize
155 gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->cancel_button) ), _("Cancel") );
156 #endif
157
158 gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
159 GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
160
161 wxFont font = m_fontData.GetInitialFont();
162 if( font.Ok() )
163 {
164 const wxNativeFontInfo *info = font.GetNativeFontInfo();
165
166 if ( info )
167 {
168
169 #ifdef __WXGTK20__
170 const wxString& fontname = info->ToString();
171 #else
172 const wxString& fontname = info->GetXFontName();
173 if ( !fontname )
174 font.GetInternalFont();
175 #endif
176 gtk_font_selection_dialog_set_font_name(sel, wxGTK_CONV(fontname));
177 }
178 else
179 {
180 // this is not supposed to happen!
181 wxFAIL_MSG(_T("font is ok but no native font info?"));
182 }
183 }
184
185 return TRUE;
186 }
187
188 wxFontDialog::~wxFontDialog()
189 {
190 }
191
192 void wxFontDialog::SetChosenFont(const char *fontname)
193 {
194 m_fontData.SetChosenFont(wxFont( wxString::FromAscii(fontname) ));
195 }
196
197 #endif // wxUSE_FONTDLG
198
199 #endif // GPE
200