src/gtk/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dirdlg.cpp
   3 // Purpose:     native implementation of wxDirDialog
   4 // Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp, Francesco Montorsi
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13
  14
  15 /*
  16   NOTE: the GtkFileChooser interface can be used both for wxFileDialog and for wxDirDialog.
  17         Thus following code is very similar (even if not identic) to src/gtk/filedlg.cpp
  18         If you find a problem in this code, remember to check also that file !
  19 */
  20
  21
  22
  23 #if wxUSE_DIRDLG && defined( __WXGTK24__ )
  24
  25 #include "wx/dirdlg.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/intl.h"
  29     #include "wx/filedlg.h"
  30 #endif
  31
  32 #include <gtk/gtk.h>
  33 #include "wx/gtk/private.h"
  34
  35 #include <unistd.h> // chdir
  36
  37
  38 //-----------------------------------------------------------------------------
  39 // idle system
  40 //-----------------------------------------------------------------------------
  41
  42 extern void wxapp_install_idle_handler();
  43
  44 //-----------------------------------------------------------------------------
  45 // "clicked" for OK-button
  46 //-----------------------------------------------------------------------------
  47
  48 extern "C" {
  49 static void gtk_dirdialog_ok_callback(GtkWidget *widget, wxDirDialog *dialog)
  50 {
  51     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  52
  53     // change to the directory where the user went if asked
  54     if (dialog->HasFlag(wxDD_CHANGE_DIR))
  55         chdir(filename);
  56
  57     g_free(filename);
  58
  59     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  60     event.SetEventObject(dialog);
  61     dialog->GetEventHandler()->ProcessEvent(event);
  62 }
  63 }
  64
  65 //-----------------------------------------------------------------------------
  66 // "clicked" for Cancel-button
  67 //-----------------------------------------------------------------------------
  68
  69 extern "C" {
  70 static void gtk_dirdialog_cancel_callback(GtkWidget *WXUNUSED(w),
  71                                            wxDirDialog *dialog)
  72 {
  73     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  74     event.SetEventObject(dialog);
  75     dialog->GetEventHandler()->ProcessEvent(event);
  76 }
  77 }
  78
  79 extern "C" {
  80 static void gtk_dirdialog_response_callback(GtkWidget *w,
  81                                              gint response,
  82                                              wxDirDialog *dialog)
  83 {
  84     wxapp_install_idle_handler();
  85
  86     if (response == GTK_RESPONSE_ACCEPT)
  87         gtk_dirdialog_ok_callback(w, dialog);
  88     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  89         gtk_dirdialog_cancel_callback(w, dialog);
  90 }
  91 }
  92
  93 //-----------------------------------------------------------------------------
  94 // wxDirDialog
  95 //-----------------------------------------------------------------------------
  96
  97 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog,wxGenericDirDialog)
  98
  99 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
 100     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
 101 END_EVENT_TABLE()
 102
 103 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
 104                         const wxString& defaultPath, long style,
 105                         const wxPoint& pos, const wxSize& sz,
 106                         const wxString& name)
 107 {
 108     if (!gtk_check_version(2,4,0))
 109     {
 110         m_message = title;
 111         m_needParent = false;
 112
 113         if (!PreCreation(parent, pos, wxDefaultSize) ||
 114             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 115                     wxDefaultValidator, wxT("dirdialog")))
 116         {
 117             wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 118             return;
 119         }
 120
 121         GtkFileChooserAction gtk_action;
 122         GtkWindow* gtk_parent = NULL;
 123         if (parent)
 124             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 125
 126         if (HasFlag(wxDD_DIR_MUST_EXIST))
 127         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 128         else
 129             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 130
 131         m_widget = gtk_file_chooser_dialog_new(
 132                        wxGTK_CONV(m_message),
 133                        gtk_parent,
 134                        gtk_action,
 135                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 136                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 137                        NULL);
 138
 139         gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 140
 141         // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 142         // the dialog when the user press ESC on the dialog: in that case a second call to
 143         // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 144         g_signal_connect (G_OBJECT(m_widget),
 145                         "delete_event",
 146                         G_CALLBACK (gtk_widget_hide_on_delete),
 147                         (gpointer)this);
 148
 149         // local-only property could be set to false to allow non-local files to be loaded.
 150         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 151         // and the GtkFileChooserDialog should probably also be created with a backend,
 152         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 153         // Currently local-only is kept as the default - true:
 154         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 155
 156         g_signal_connect (m_widget, "response",
 157             G_CALLBACK (gtk_dirdialog_response_callback), this);
 158
 159         if ( !defaultPath.empty() )
 160             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 161                     wxConvFileName->cWX2MB(defaultPath) );
 162     }
 163     else
 164         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 165 }
 166
 167 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 168 {
 169     if (!gtk_check_version(2,4,0))
 170         EndDialog(wxID_OK);
 171     else
 172         wxGenericDirDialog::OnOK( event );
 173 }
 174
 175 int wxDirDialog::ShowModal()
 176 {
 177     if (!gtk_check_version(2,4,0))
 178         return wxDialog::ShowModal();
 179     else
 180         return wxGenericDirDialog::ShowModal();
 181 }
 182
 183 bool wxDirDialog::Show( bool show )
 184 {
 185     if (!gtk_check_version(2,4,0))
 186         return wxDialog::Show( show );
 187     else
 188         return wxGenericDirDialog::Show( show );
 189 }
 190
 191 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 192 {
 193     if (!m_wxwindow)
 194         return;
 195     else
 196         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 197 }
 198
 199 void wxDirDialog::SetPath(const wxString& dir)
 200 {
 201     if (!gtk_check_version(2,4,0))
 202     {
 203         if (wxDirExists(dir))
 204         {
 205             gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 206         }
 207     }
 208     else
 209         wxGenericDirDialog::SetPath( dir );
 210 }
 211
 212 wxString wxDirDialog::GetPath() const
 213 {
 214     if (!gtk_check_version(2,4,0))
 215         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 216     else
 217         return wxGenericDirDialog::GetPath();
 218 }
 219
 220 #endif // wxUSE_DIRDLG