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/fontdlg.h"
  15 #include "wx/utils.h"
  16 #include "wx/intl.h"
  17 #include "wx/debug.h"
  18 #include "wx/msgdlg.h"
  19
  20 #include <gtk/gtk.h>
  21
  22 //-----------------------------------------------------------------------------
  23 // idle system
  24 //-----------------------------------------------------------------------------
  25
  26 extern void wxapp_install_idle_handler();
  27 extern bool g_isIdle;
  28
  29 //-----------------------------------------------------------------------------
  30 // "delete_event"
  31 //-----------------------------------------------------------------------------
  32
  33 static
  34 bool gtk_fontdialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  35 {
  36     if (g_isIdle)
  37         wxapp_install_idle_handler();
  38
  39 /*
  40     printf( "OnDelete from " );
  41     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  42         printf( win->GetClassInfo()->GetClassName() );
  43     printf( ".\n" );
  44 */
  45
  46     win->Close();
  47
  48     return TRUE;
  49 }
  50
  51 //-----------------------------------------------------------------------------
  52 // "clicked" for OK-button
  53 //-----------------------------------------------------------------------------
  54
  55 #ifdef __WXGTK12__
  56 static
  57 void gtk_fontdialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFontDialog *dialog )
  58 {
  59     if (g_isIdle)
  60         wxapp_install_idle_handler();
  61
  62     GtkFontSelectionDialog *fontdlg = GTK_FONT_SELECTION_DIALOG(dialog->m_widget);
  63     GdkFont *gfont = gtk_font_selection_dialog_get_font(fontdlg);
  64
  65     if (!gfont)
  66     {
  67         wxMessageBox(_("Please choose a valid font."), _("Error"), wxOK);
  68         return;
  69     }
  70
  71     gchar *fontname = gtk_font_selection_dialog_get_font_name(fontdlg);
  72
  73     // extract the relevant bits from it
  74     wxString xregistry, xencoding;
  75     char *dash = strrchr(fontname, '-');    // find the last dash
  76     if ( dash )
  77     {
  78         xencoding = dash + 1;
  79         *dash = '\0';
  80         dash = strrchr(fontname, '-');      // the last before one
  81         if ( dash )
  82         {
  83             xregistry = dash + 1;
  84         }
  85         else
  86         {
  87             wxFAIL_MSG( wxT("no registry in X font spec?") );
  88         }
  89
  90         // restore the dash we changed to NUL above
  91         *(fontname + strlen(fontname)) = '-';
  92     }
  93     else
  94     {
  95         wxFAIL_MSG( wxT("no encoding in X font spec?") );
  96     }
  97
  98     // transfer the X registry/encoding to wxFontData - they are used by
  99     // wxFontMapper after wxFontDialog returns
 100     wxFontData& fontdata = dialog->m_fontData;
 101
 102     // we ignore the facename here - should be enough to choose an arbitrary
 103     // one if the registry/encoding are specified
 104     //  dialog->m_fontData.EncodingInfo().facename = xfamily;
 105     fontdata.EncodingInfo().xregistry = xregistry;
 106     fontdata.EncodingInfo().xencoding = xencoding;
 107
 108     // pass fontdata to wxFont ctor so that it can get the encoding from there
 109     // if it is already known (otherwise it will try to deduce it itself)
 110     dialog->m_fontData.SetChosenFont( wxFont(fontname, fontdata) );
 111
 112     g_free( fontname );
 113
 114     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
 115     event.SetEventObject( dialog );
 116     dialog->GetEventHandler()->ProcessEvent( event );
 117 }
 118 #endif // GTK+ 1.2 and later only
 119
 120 //-----------------------------------------------------------------------------
 121 // "clicked" for Cancel-button
 122 //-----------------------------------------------------------------------------
 123
 124 static
 125 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
 126 {
 127     if (g_isIdle)
 128         wxapp_install_idle_handler();
 129
 130     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 131     event.SetEventObject( dialog );
 132     dialog->GetEventHandler()->ProcessEvent( event );
 133 }
 134
 135 //-----------------------------------------------------------------------------
 136 // wxFontDialog
 137 //-----------------------------------------------------------------------------
 138
 139 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog,wxDialog)
 140
 141 wxFontDialog::wxFontDialog( wxWindow *parent, wxFontData *fontdata )
 142             : m_fontData(*fontdata)
 143 {
 144     m_needParent = FALSE;
 145
 146     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 147         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
 148                      wxDefaultValidator, wxT("fontdialog") ))
 149     {
 150         wxFAIL_MSG( wxT("wxXX creation failed") );
 151         return;
 152     }
 153
 154     wxString m_message( _("Choose font") );
 155     m_widget = gtk_font_selection_dialog_new( m_message.mbc_str() );
 156
 157     int x = (gdk_screen_width () - 400) / 2;
 158     int y = (gdk_screen_height () - 400) / 2;
 159     gtk_widget_set_uposition( m_widget, x, y );
 160
 161     GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
 162
 163     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 164       GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
 165
 166     // strange way to internationalize
 167     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 168
 169     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 170       GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
 171
 172     // strange way to internationalize
 173     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 174
 175     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 176         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 177 }
 178
 179 wxFontDialog::~wxFontDialog()
 180 {
 181 }
 182