src/gtk/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dirdlg.cpp
   3 // Purpose:     native implementation of wxDirDialogGTK
   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 wxDirDialogGTK.
  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
  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 #ifdef __WXGTK24__      // only for GTK+ > 2.4 there is GtkFileChooserDialog
  33
  34 #include <gtk/gtk.h>
  35 #include "wx/gtk/private.h"
  36
  37 #include <unistd.h> // chdir
  38
  39
  40 //-----------------------------------------------------------------------------
  41 // idle system
  42 //-----------------------------------------------------------------------------
  43
  44 extern void wxapp_install_idle_handler();
  45
  46 //-----------------------------------------------------------------------------
  47 // "clicked" for OK-button
  48 //-----------------------------------------------------------------------------
  49
  50 extern "C" {
  51 static void gtk_dirdialog_ok_callback(GtkWidget *widget, wxDirDialogGTK *dialog)
  52 {
  53     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  54
  55     // change to the directory where the user went if asked
  56     if (dialog->HasFlag(wxDD_CHANGE_DIR))
  57         chdir(filename);
  58
  59     g_free(filename);
  60
  61     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  62     event.SetEventObject(dialog);
  63     dialog->GetEventHandler()->ProcessEvent(event);
  64 }
  65 }
  66
  67 //-----------------------------------------------------------------------------
  68 // "clicked" for Cancel-button
  69 //-----------------------------------------------------------------------------
  70
  71 extern "C" {
  72 static void gtk_dirdialog_cancel_callback(GtkWidget *WXUNUSED(w),
  73                                            wxDirDialogGTK *dialog)
  74 {
  75     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  76     event.SetEventObject(dialog);
  77     dialog->GetEventHandler()->ProcessEvent(event);
  78 }
  79 }
  80
  81 extern "C" {
  82 static void gtk_dirdialog_response_callback(GtkWidget *w,
  83                                              gint response,
  84                                              wxDirDialogGTK *dialog)
  85 {
  86     wxapp_install_idle_handler();
  87
  88     if (response == GTK_RESPONSE_ACCEPT)
  89         gtk_dirdialog_ok_callback(w, dialog);
  90     else if (response == GTK_RESPONSE_CANCEL)
  91         gtk_dirdialog_cancel_callback(w, dialog);
  92     else // "delete"
  93     {
  94         gtk_dirdialog_cancel_callback(w, dialog);
  95         dialog->m_destroyed_by_delete = true;
  96     }
  97 }
  98 }
  99
 100 #endif // __WXGTK24__
 101
 102 //-----------------------------------------------------------------------------
 103 // wxDirDialogGTK
 104 //-----------------------------------------------------------------------------
 105
 106 IMPLEMENT_DYNAMIC_CLASS(wxDirDialogGTK,wxGenericDirDialog)
 107
 108 BEGIN_EVENT_TABLE(wxDirDialogGTK,wxGenericDirDialog)
 109     EVT_BUTTON(wxID_OK, wxDirDialogGTK::OnFakeOk)
 110 END_EVENT_TABLE()
 111
 112 wxDirDialogGTK::wxDirDialogGTK(wxWindow* parent, const wxString& title,
 113                         const wxString& defaultPath, long style,
 114                         const wxPoint& pos, const wxSize& sz,
 115                         const wxString& name)
 116 {
 117 #ifdef __WXGTK24__
 118     if (!gtk_check_version(2,4,0))
 119     {
 120         m_message = title;
 121         m_needParent = false;
 122         m_destroyed_by_delete = false;
 123
 124         if (!PreCreation(parent, pos, wxDefaultSize) ||
 125             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 126                     wxDefaultValidator, wxT("dirdialog")))
 127         {
 128             wxFAIL_MSG( wxT("wxDirDialogGTK creation failed") );
 129             return;
 130         }
 131
 132         GtkFileChooserAction gtk_action;
 133         GtkWindow* gtk_parent = NULL;
 134         if (parent)
 135             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 136
 137         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 138         if (style & wxDD_NEW_DIR_BUTTON)
 139             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 140
 141         m_widget = gtk_file_chooser_dialog_new(
 142                        wxGTK_CONV(m_message),
 143                        gtk_parent,
 144                        gtk_action,
 145                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 146                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 147                        NULL);
 148
 149         gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 150
 151         // local-only property could be set to false to allow non-local files to be loaded.
 152         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 153         // and the GtkFileChooserDialog should probably also be created with a backend,
 154         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 155         // Currently local-only is kept as the default - true:
 156         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 157
 158         g_signal_connect (m_widget, "response",
 159             G_CALLBACK (gtk_dirdialog_response_callback), this);
 160
 161         if ( !defaultPath.empty() )
 162             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 163                     wxConvFileName->cWX2MB(defaultPath) );
 164     }
 165     else
 166 #endif
 167         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 168 }
 169
 170 wxDirDialogGTK::~wxDirDialogGTK()
 171 {
 172 #ifdef __WXGTK24__
 173     if (!gtk_check_version(2,4,0))
 174     {
 175         if (m_destroyed_by_delete)
 176             m_widget = NULL;
 177     }
 178 #endif
 179 }
 180
 181 void wxDirDialogGTK::OnFakeOk( wxCommandEvent &event )
 182 {
 183 #ifdef __WXGTK24__
 184     if (!gtk_check_version(2,4,0))
 185         wxDialog::OnOK( event );
 186     else
 187 #endif
 188         wxGenericDirDialog::OnOK( event );
 189 }
 190
 191 int wxDirDialogGTK::ShowModal()
 192 {
 193 #ifdef __WXGTK24__
 194     if (!gtk_check_version(2,4,0))
 195         return wxDialog::ShowModal();
 196     else
 197 #endif
 198         return wxGenericDirDialog::ShowModal();
 199 }
 200
 201 bool wxDirDialogGTK::Show( bool show )
 202 {
 203 #ifdef __WXGTK24__
 204     if (!gtk_check_version(2,4,0))
 205         return wxDialog::Show( show );
 206     else
 207 #endif
 208         return wxGenericDirDialog::Show( show );
 209 }
 210
 211 void wxDirDialogGTK::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 212 {
 213     if (!m_wxwindow)
 214         return;
 215     else
 216         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 217 }
 218
 219 void wxDirDialogGTK::SetPath(const wxString& dir)
 220 {
 221 #ifdef __WXGTK24__
 222     if (!gtk_check_version(2,4,0))
 223     {
 224         if (wxDirExists(dir))
 225         {
 226             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 227         }
 228     }
 229     else
 230 #endif
 231         wxGenericDirDialog::SetPath( dir );
 232 }
 233
 234 wxString wxDirDialogGTK::GetPath() const
 235 {
 236 #ifdef __WXGTK24__
 237     if (!gtk_check_version(2,4,0))
 238         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 239     else
 240 #endif
 241         return wxGenericDirDialog::GetPath();
 242 }
 243
 244 #endif // wxUSE_DIRDLG