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_filedialog_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_filedialog_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_filedialog_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_filedialog_ok_callback(w, dialog);
  90     else if (response == GTK_RESPONSE_CANCEL)
  91         gtk_filedialog_cancel_callback(w, dialog);
  92     else // "delete"
  93     {
  94         gtk_filedialog_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("filedialog")))
 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         // 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(G_OBJECT(m_widget), "response",
 157             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)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 #endif
 165         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 166 }
 167
 168 wxDirDialogGTK::~wxDirDialogGTK()
 169 {
 170 #ifdef __WXGTK24__
 171     if (!gtk_check_version(2,4,0))
 172     {
 173         if (m_destroyed_by_delete)
 174             m_widget = NULL;
 175     }
 176 #endif
 177 }
 178
 179 void wxDirDialogGTK::OnFakeOk( wxCommandEvent &event )
 180 {
 181 #ifdef __WXGTK24__
 182     if (!gtk_check_version(2,4,0))
 183         wxDialog::OnOK( event );
 184     else
 185 #endif
 186         wxGenericDirDialog::OnOK( event );
 187 }
 188
 189 int wxDirDialogGTK::ShowModal()
 190 {
 191 #ifdef __WXGTK24__
 192     if (!gtk_check_version(2,4,0))
 193         return wxDialog::ShowModal();
 194     else
 195 #endif
 196         return wxGenericDirDialog::ShowModal();
 197 }
 198
 199 bool wxDirDialogGTK::Show( bool show )
 200 {
 201 #ifdef __WXGTK24__
 202     if (!gtk_check_version(2,4,0))
 203         return wxDialog::Show( show );
 204     else
 205 #endif
 206         return wxGenericDirDialog::Show( show );
 207 }
 208
 209 void wxDirDialogGTK::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 210 {
 211     if (!m_wxwindow)
 212         return;
 213     else
 214         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 215 }
 216
 217 void wxDirDialogGTK::SetPath(const wxString& dir)
 218 {
 219 #ifdef __WXGTK24__
 220     if (!gtk_check_version(2,4,0))
 221     {
 222         if (wxDirExists(dir))
 223         {
 224             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 225         }
 226     }
 227     else
 228 #endif
 229         wxGenericDirDialog::SetPath( dir );
 230 }
 231
 232 wxString wxDirDialogGTK::GetPath() const
 233 {
 234 #ifdef __WXGTK24__
 235     if (!gtk_check_version(2,4,0))
 236         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 237     else
 238 #endif
 239         return wxGenericDirDialog::GetPath();
 240 }
 241
 242 #endif // wxUSE_DIRDLG