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 #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 #include "wx/fontutil.h"
  22 #include "wx/fontdlg.h"
  23 #include "wx/utils.h"
  24 #include "wx/intl.h"
  25 #include "wx/debug.h"
  26 #include "wx/msgdlg.h"
  27
  28 #include "wx/gtk/private.h"
  29
  30 //-----------------------------------------------------------------------------
  31 // idle system
  32 //-----------------------------------------------------------------------------
  33
  34 extern void wxapp_install_idle_handler();
  35 extern bool g_isIdle;
  36
  37 //-----------------------------------------------------------------------------
  38 // "delete_event"
  39 //-----------------------------------------------------------------------------
  40
  41 static
  42 bool gtk_fontdialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  43 {
  44     if (g_isIdle)
  45         wxapp_install_idle_handler();
  46
  47 /*
  48     printf( "OnDelete from " );
  49     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  50         printf( win->GetClassInfo()->GetClassName() );
  51     printf( ".\n" );
  52 */
  53
  54     win->Close();
  55
  56     return TRUE;
  57 }
  58
  59 //-----------------------------------------------------------------------------
  60 // "clicked" for OK-button
  61 //-----------------------------------------------------------------------------
  62
  63 static
  64 void gtk_fontdialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFontDialog *dialog )
  65 {
  66     if (g_isIdle)
  67         wxapp_install_idle_handler();
  68
  69     GtkFontSelectionDialog *fontdlg = GTK_FONT_SELECTION_DIALOG(dialog->m_widget);
  70
  71 #ifndef __WXGTK20__
  72     GdkFont *gfont = gtk_font_selection_dialog_get_font(fontdlg);
  73
  74     if (!gfont)
  75     {
  76         wxMessageBox(_("Please choose a valid font."), _("Error"),
  77                      wxOK | wxICON_ERROR);
  78         return;
  79     }
  80 #endif
  81
  82     gchar *fontname = gtk_font_selection_dialog_get_font_name(fontdlg);
  83     dialog->SetChosenFont( fontname);
  84
  85     g_free( fontname );
  86
  87     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  88     event.SetEventObject( dialog );
  89     dialog->GetEventHandler()->ProcessEvent( event );
  90 }
  91
  92 //-----------------------------------------------------------------------------
  93 // "clicked" for Cancel-button
  94 //-----------------------------------------------------------------------------
  95
  96 static
  97 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
  98 {
  99     if (g_isIdle)
 100         wxapp_install_idle_handler();
 101
 102     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 103     event.SetEventObject( dialog );
 104     dialog->GetEventHandler()->ProcessEvent( event );
 105 }
 106
 107 //-----------------------------------------------------------------------------
 108 // wxFontDialog
 109 //-----------------------------------------------------------------------------
 110
 111 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog, wxDialog)
 112
 113 bool wxFontDialog::DoCreate(wxWindow *parent)
 114 {
 115     m_needParent = FALSE;
 116
 117     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 118         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
 119                      wxDefaultValidator, wxT("fontdialog") ))
 120     {
 121         wxFAIL_MSG( wxT("wxFontDialog creation failed") );
 122         return FALSE;
 123     }
 124
 125     wxString m_message( _("Choose font") );
 126     m_widget = gtk_font_selection_dialog_new( wxGTK_CONV( m_message ) );
 127
 128     int x = (gdk_screen_width () - 400) / 2;
 129     int y = (gdk_screen_height () - 400) / 2;
 130     gtk_widget_set_uposition( m_widget, x, y );
 131
 132     GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
 133
 134     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 135       GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
 136
 137 #ifndef __WXGTK20__
 138     // strange way to internationalize
 139     gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->ok_button) ), _("OK") );
 140 #endif
 141
 142     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 143       GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
 144
 145 #ifndef __WXGTK20__
 146     // strange way to internationalize
 147     gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->cancel_button) ), _("Cancel") );
 148 #endif
 149
 150     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 151         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 152
 153 #ifndef __WXGTK20__
 154     wxFont font = m_fontData.GetInitialFont();
 155     if( font.Ok() )
 156     {
 157         const wxNativeFontInfo *info = font.GetNativeFontInfo();
 158
 159         if ( info )
 160         {
 161             const wxString& fontname = info->GetXFontName();
 162             if ( !fontname )
 163                 font.GetInternalFont();
 164             gtk_font_selection_dialog_set_font_name
 165             (
 166                 sel,
 167                 wxConvCurrent->cWX2MB(fontname)
 168             );
 169         }
 170         else
 171         {
 172             // this is not supposed to happen!
 173             wxFAIL_MSG(_T("font is ok but no native font info?"));
 174         }
 175     }
 176 #endif
 177
 178     return TRUE;
 179 }
 180
 181 wxFontDialog::~wxFontDialog()
 182 {
 183 }
 184
 185 void wxFontDialog::SetChosenFont(const char *fontname)
 186 {
 187     m_fontData.SetChosenFont(wxFont( wxString::FromAscii(fontname) ));
 188 }
 189
 190 #endif // wxUSE_FONTDLG
 191