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
  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__
  33
  34 #include <gtk/gtk.h>
  35 #include "wx/gtk/private.h"
  36
  37 #include <unistd.h> // chdir
  38
  39 #include "wx/filename.h" // wxFilename
  40 #include "wx/tokenzr.h" // wxStringTokenizer
  41 #include "wx/filefn.h" // ::wxGetCwd
  42 #include "wx/msgdlg.h" // wxMessageDialog
  43
  44 //-----------------------------------------------------------------------------
  45 // idle system
  46 //-----------------------------------------------------------------------------
  47
  48 extern void wxapp_install_idle_handler();
  49
  50 //-----------------------------------------------------------------------------
  51 // "clicked" for OK-button
  52 //-----------------------------------------------------------------------------
  53
  54 extern "C" {
  55 static void gtk_filedialog_ok_callback(GtkWidget *widget, wxDirDialog *dialog)
  56 {
  57     int style = dialog->GetStyle();
  58     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  59
  60     // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
  61 #if GTK_CHECK_VERSION(2,7,3)
  62     if(gtk_check_version(2,7,3) != NULL)
  63 #endif
  64     if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
  65     {
  66         if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
  67         {
  68             wxString msg;
  69
  70             msg.Printf(
  71                 _("File '%s' already exists, do you really want to overwrite it?"),
  72                 wxString(wxConvFileName->cMB2WX(filename)).c_str());
  73
  74             wxMessageDialog dlg(dialog, msg, _("Confirm"),
  75                                wxYES_NO | wxICON_QUESTION);
  76             if (dlg.ShowModal() != wxID_YES)
  77             {
  78                 g_free(filename);
  79                 return;
  80             }
  81         }
  82     }
  83
  84     // change to the directory where the user went if asked
  85     if (style & wxCHANGE_DIR)
  86     {
  87         // Use chdir to not care about filename encodings
  88         gchar* folder = g_path_get_dirname(filename);
  89         chdir(folder);
  90         g_free(folder);
  91     }
  92
  93     g_free(filename);
  94
  95     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  96     event.SetEventObject(dialog);
  97     dialog->GetEventHandler()->ProcessEvent(event);
  98 }
  99 }
 100
 101 //-----------------------------------------------------------------------------
 102 // "clicked" for Cancel-button
 103 //-----------------------------------------------------------------------------
 104
 105 extern "C" {
 106 static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
 107                                            wxDirDialog *dialog)
 108 {
 109     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 110     event.SetEventObject(dialog);
 111     dialog->GetEventHandler()->ProcessEvent(event);
 112 }
 113 }
 114
 115 extern "C" {
 116 static void gtk_filedialog_response_callback(GtkWidget *w,
 117                                              gint response,
 118                                              wxDirDialog *dialog)
 119 {
 120     wxapp_install_idle_handler();
 121
 122     if (response == GTK_RESPONSE_ACCEPT)
 123         gtk_filedialog_ok_callback(w, dialog);
 124     else if (response == GTK_RESPONSE_CANCEL)
 125         gtk_filedialog_cancel_callback(w, dialog);
 126     else // "delete"
 127     {
 128         gtk_filedialog_cancel_callback(w, dialog);
 129         dialog->m_destroyed_by_delete = true;
 130     }
 131 }
 132 }
 133
 134 #endif // __WXGTK24__
 135
 136 //-----------------------------------------------------------------------------
 137 // wxDirDialog
 138 //-----------------------------------------------------------------------------
 139
 140 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog,wxGenericDirDialog)
 141
 142 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
 143     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
 144 END_EVENT_TABLE()
 145
 146 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
 147                         const wxString& defaultPath, long style,
 148                         const wxPoint& pos, const wxSize& sz,
 149                         const wxString& name)
 150 {
 151 #ifdef __WXGTK24__
 152     if (!gtk_check_version(2,4,0))
 153     {
 154         m_message = title;
 155         m_needParent = false;
 156         m_destroyed_by_delete = false;
 157
 158         if (!PreCreation(parent, pos, wxDefaultSize) ||
 159             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 160                     wxDefaultValidator, wxT("filedialog")))
 161         {
 162             wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 163             return;
 164         }
 165
 166         GtkFileChooserAction gtk_action;
 167         GtkWindow* gtk_parent = NULL;
 168         if (parent)
 169             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 170
 171         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 172         if (style & wxDD_NEW_DIR_BUTTON)
 173             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 174
 175         m_widget = gtk_file_chooser_dialog_new(
 176                        wxGTK_CONV(m_message),
 177                        gtk_parent,
 178                        gtk_action,
 179                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 180                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 181                        NULL);
 182
 183         // local-only property could be set to false to allow non-local files to be loaded.
 184         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 185         // and the GtkFileChooserDialog should probably also be created with a backend,
 186         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 187         // Currently local-only is kept as the default - true:
 188         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 189
 190         g_signal_connect(G_OBJECT(m_widget), "response",
 191             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
 192
 193         if ( !defaultPath.empty() )
 194             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 195                     wxConvFileName->cWX2MB(defaultPath) );
 196     }
 197     else
 198 #endif
 199         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 200 }
 201
 202 wxDirDialog::~wxDirDialog()
 203 {
 204 #ifdef __WXGTK24__
 205     if (!gtk_check_version(2,4,0))
 206     {
 207         if (m_destroyed_by_delete)
 208             m_widget = NULL;
 209     }
 210 #endif
 211 }
 212
 213 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 214 {
 215 #ifdef __WXGTK24__
 216     if (!gtk_check_version(2,4,0))
 217         wxDialog::OnOK( event );
 218     else
 219 #endif
 220         wxGenericDirDialog::OnOK( event );
 221 }
 222
 223 int wxDirDialog::ShowModal()
 224 {
 225 #ifdef __WXGTK24__
 226     if (!gtk_check_version(2,4,0))
 227         return wxDialog::ShowModal();
 228     else
 229 #endif
 230         return wxGenericDirDialog::ShowModal();
 231 }
 232
 233 bool wxDirDialog::Show( bool show )
 234 {
 235 #ifdef __WXGTK24__
 236     if (!gtk_check_version(2,4,0))
 237         return wxDialog::Show( show );
 238     else
 239 #endif
 240         return wxGenericDirDialog::Show( show );
 241 }
 242
 243 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 244 {
 245     if (!m_wxwindow)
 246         return;
 247     else
 248         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 249 }
 250
 251 void wxDirDialog::SetPath(const wxString& dir)
 252 {
 253 #ifdef __WXGTK24__
 254     if (!gtk_check_version(2,4,0))
 255     {
 256         if (wxDirExists(dir))
 257         {
 258             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 259         }
 260     }
 261     else
 262 #endif
 263         wxGenericDirDialog::SetPath( dir );
 264 }
 265
 266 wxString wxDirDialog::GetPath() const
 267 {
 268 #ifdef __WXGTK24__
 269     if (!gtk_check_version(2,4,0))
 270         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 271     else
 272 #endif
 273         return wxGenericDirDialog::GetPath();
 274 }
 275
 276 #endif // wxUSE_DIRDLG