src/gtk/fontdlg.cpp

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