src/gtk/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 #ifdef __GNUG__
  11 #pragma implementation "fontdlg.h"
  12 #endif
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_FONTDLG
  17
  18 #include "wx/fontutil.h"
  19 #include "wx/fontdlg.h"
  20 #include "wx/utils.h"
  21 #include "wx/intl.h"
  22 #include "wx/debug.h"
  23 #include "wx/msgdlg.h"
  24
  25 #include <gtk/gtk.h>
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 //-----------------------------------------------------------------------------
  35 // "delete_event"
  36 //-----------------------------------------------------------------------------
  37
  38 static
  39 bool gtk_fontdialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  40 {
  41     if (g_isIdle)
  42         wxapp_install_idle_handler();
  43
  44 /*
  45     printf( "OnDelete from " );
  46     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  47         printf( win->GetClassInfo()->GetClassName() );
  48     printf( ".\n" );
  49 */
  50
  51     win->Close();
  52
  53     return TRUE;
  54 }
  55
  56 //-----------------------------------------------------------------------------
  57 // "clicked" for OK-button
  58 //-----------------------------------------------------------------------------
  59
  60 #ifdef __WXGTK12__
  61 static
  62 void gtk_fontdialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFontDialog *dialog )
  63 {
  64     if (g_isIdle)
  65         wxapp_install_idle_handler();
  66
  67     GtkFontSelectionDialog *fontdlg = GTK_FONT_SELECTION_DIALOG(dialog->m_widget);
  68     GdkFont *gfont = gtk_font_selection_dialog_get_font(fontdlg);
  69
  70     if (!gfont)
  71     {
  72         wxMessageBox(_("Please choose a valid font."), _("Error"),
  73                      wxOK | wxICON_ERROR);
  74         return;
  75     }
  76
  77     gchar *fontname = gtk_font_selection_dialog_get_font_name(fontdlg);
  78
  79     // extract the relevant bits from it
  80     wxString xregistry, xencoding;
  81     char *dash = strrchr(fontname, '-');    // find the last dash
  82     if ( dash )
  83     {
  84         xencoding = dash + 1;
  85         *dash = '\0';
  86         dash = strrchr(fontname, '-');      // the last before one
  87         if ( dash )
  88         {
  89             xregistry = dash + 1;
  90         }
  91         else
  92         {
  93             wxFAIL_MSG( wxT("no registry in X font spec?") );
  94         }
  95
  96         // restore the dash we changed to NUL above
  97         *(fontname + strlen(fontname)) = '-';
  98     }
  99     else
 100     {
 101         wxFAIL_MSG( wxT("no encoding in X font spec?") );
 102     }
 103
 104     // transfer the X registry/encoding to wxFontData - they are used by
 105     // wxFontMapper after wxFontDialog returns
 106     wxFontData& fontdata = dialog->m_fontData;
 107
 108     // we ignore the facename here - should be enough to choose an arbitrary
 109     // one if the registry/encoding are specified
 110     fontdata.EncodingInfo().xregistry = xregistry;
 111     fontdata.EncodingInfo().xencoding = xencoding;
 112
 113     // pass fontdata to wxFont ctor so that it can get the encoding from there
 114     // if it is already known (otherwise it will try to deduce it itself)
 115     dialog->m_fontData.SetChosenFont(wxFont(fontname, fontdata.GetEncoding()));
 116
 117     g_free( fontname );
 118
 119     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
 120     event.SetEventObject( dialog );
 121     dialog->GetEventHandler()->ProcessEvent( event );
 122 }
 123 #endif // GTK+ 1.2 and later only
 124
 125 //-----------------------------------------------------------------------------
 126 // "clicked" for Cancel-button
 127 //-----------------------------------------------------------------------------
 128
 129 static
 130 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
 131 {
 132     if (g_isIdle)
 133         wxapp_install_idle_handler();
 134
 135     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 136     event.SetEventObject( dialog );
 137     dialog->GetEventHandler()->ProcessEvent( event );
 138 }
 139
 140 //-----------------------------------------------------------------------------
 141 // wxFontDialog
 142 //-----------------------------------------------------------------------------
 143
 144 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog,wxDialog)
 145
 146 wxFontDialog::wxFontDialog( wxWindow *parent, wxFontData *fontdata )
 147             : m_fontData(*fontdata)
 148 {
 149     m_needParent = FALSE;
 150
 151     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 152         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
 153                      wxDefaultValidator, wxT("fontdialog") ))
 154     {
 155         wxFAIL_MSG( wxT("wxXX creation failed") );
 156         return;
 157     }
 158
 159     wxString m_message( _("Choose font") );
 160     m_widget = gtk_font_selection_dialog_new( m_message.mbc_str() );
 161
 162     int x = (gdk_screen_width () - 400) / 2;
 163     int y = (gdk_screen_height () - 400) / 2;
 164     gtk_widget_set_uposition( m_widget, x, y );
 165
 166     GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
 167
 168     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 169       GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
 170
 171     // strange way to internationalize
 172     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 173
 174     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 175       GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
 176
 177     // strange way to internationalize
 178     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 179
 180     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 181         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 182
 183     wxFont font = m_fontData.GetInitialFont();
 184     if( font.Ok() )
 185     {
 186         wxNativeFontInfo *info = font.GetNativeFontInfo();
 187
 188         if ( info )
 189         {
 190             const wxString& fontname = info->xFontName;
 191             if ( !fontname )
 192                 font.GetInternalFont();
 193             gtk_font_selection_dialog_set_font_name(sel,
 194                                                     wxConvCurrent->cWX2MB(fontname));
 195         }
 196         else
 197         {
 198             // this is not supposed to happen!
 199             wxFAIL_MSG(_T("font is ok but no native font info?"));
 200         }
 201     }
 202 }
 203
 204 wxFontDialog::~wxFontDialog()
 205 {
 206 }
 207
 208 #endif // wxUSE_FONTDLG
 209