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     dialog->m_fontData.SetChosenFont(wxFont(fontname));
  80
  81     g_free( fontname );
  82
  83     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  84     event.SetEventObject( dialog );
  85     dialog->GetEventHandler()->ProcessEvent( event );
  86 }
  87 #endif // GTK+ 1.2 and later only
  88
  89 //-----------------------------------------------------------------------------
  90 // "clicked" for Cancel-button
  91 //-----------------------------------------------------------------------------
  92
  93 static
  94 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
  95 {
  96     if (g_isIdle)
  97         wxapp_install_idle_handler();
  98
  99     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 100     event.SetEventObject( dialog );
 101     dialog->GetEventHandler()->ProcessEvent( event );
 102 }
 103
 104 //-----------------------------------------------------------------------------
 105 // wxFontDialog
 106 //-----------------------------------------------------------------------------
 107
 108 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog,wxDialog)
 109
 110 wxFontDialog::wxFontDialog( wxWindow *parent, wxFontData *fontdata )
 111             : m_fontData(*fontdata)
 112 {
 113     m_needParent = FALSE;
 114
 115     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 116         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
 117                      wxDefaultValidator, wxT("fontdialog") ))
 118     {
 119         wxFAIL_MSG( wxT("wxXX creation failed") );
 120         return;
 121     }
 122
 123     wxString m_message( _("Choose font") );
 124     m_widget = gtk_font_selection_dialog_new( m_message.mbc_str() );
 125
 126     int x = (gdk_screen_width () - 400) / 2;
 127     int y = (gdk_screen_height () - 400) / 2;
 128     gtk_widget_set_uposition( m_widget, x, y );
 129
 130     GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
 131
 132     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 133       GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
 134
 135     // strange way to internationalize
 136     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 137
 138     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 139       GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
 140
 141     // strange way to internationalize
 142     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 143
 144     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 145         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 146
 147     wxFont font = m_fontData.GetInitialFont();
 148     if( font.Ok() )
 149     {
 150         wxNativeFontInfo *info = font.GetNativeFontInfo();
 151
 152         if ( info )
 153         {
 154             const wxString& fontname = info->GetXFontName();
 155             if ( !fontname )
 156                 font.GetInternalFont();
 157             gtk_font_selection_dialog_set_font_name
 158             (
 159                 sel,
 160                 wxConvCurrent->cWX2MB(fontname)
 161             );
 162         }
 163         else
 164         {
 165             // this is not supposed to happen!
 166             wxFAIL_MSG(_T("font is ok but no native font info?"));
 167         }
 168     }
 169 }
 170
 171 wxFontDialog::~wxFontDialog()
 172 {
 173 }
 174
 175 #endif // wxUSE_FONTDLG
 176