X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..0d1903dbda864780eec30efdc4e91776bdbfd21b:/src/gtk/filedlg.cpp diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp index 88b285e8ea..ce41843b03 100644 --- a/src/gtk/filedlg.cpp +++ b/src/gtk/filedlg.cpp @@ -1,189 +1,491 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/filedlg.cpp -// Purpose: -// Author: Robert Roebling -// Id: $Id$ -// Copyright: (c) 1998 Robert Roebling +// Name: src/gtk/filedlg.cpp +// Purpose: native implementation of wxFileDialog +// Author: Robert Roebling, Zbigniew Zagorski, Mart Raudsepp +// Copyright: (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "filedlg.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#if wxUSE_FILEDLG + #include "wx/filedlg.h" -#include "wx/utils.h" -#include "wx/intl.h" -#include "wx/generic/msgdlgg.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/msgdlg.h" +#endif #include +#include "wx/gtk/private.h" + +#ifdef __UNIX__ +#include // chdir +#endif + +#include "wx/filename.h" // wxFilename +#include "wx/tokenzr.h" // wxStringTokenizer +#include "wx/filefn.h" // ::wxGetCwd +#include "wx/modalhook.h" //----------------------------------------------------------------------------- -// idle system +// "clicked" for OK-button //----------------------------------------------------------------------------- -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; +extern "C" { +static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog) +{ + int style = dialog->GetWindowStyle(); + wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget))); + + // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation) +#ifndef __WXGTK3__ +#if GTK_CHECK_VERSION(2,7,3) + if (gtk_check_version(2, 7, 3) != NULL) +#endif + { + if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT)) + { + if ( g_file_test(filename, G_FILE_TEST_EXISTS) ) + { + wxString msg; + + msg.Printf( + _("File '%s' already exists, do you really want to overwrite it?"), + wxString::FromUTF8(filename)); + + wxMessageDialog dlg(dialog, msg, _("Confirm"), + wxYES_NO | wxICON_QUESTION); + if (dlg.ShowModal() != wxID_YES) + return; + } + } + } +#endif + + if (style & wxFD_FILE_MUST_EXIST) + { + if ( !g_file_test(filename, G_FILE_TEST_EXISTS) ) + { + wxMessageDialog dlg( dialog, _("Please choose an existing file."), + _("Error"), wxOK| wxICON_ERROR); + dlg.ShowModal(); + return; + } + } + + // change to the directory where the user went if asked + if (style & wxFD_CHANGE_DIR) + { + // Use chdir to not care about filename encodings + wxGtkString folder(g_path_get_dirname(filename)); + chdir(folder); + } + + wxCommandEvent event(wxEVT_BUTTON, wxID_OK); + event.SetEventObject(dialog); + dialog->HandleWindowEvent(event); +} +} //----------------------------------------------------------------------------- -// "delete_event" +// "clicked" for Cancel-button //----------------------------------------------------------------------------- -static -bool gtk_filedialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win ) +extern "C" { - if (g_isIdle) wxapp_install_idle_handler(); -/* - printf( "OnDelete from " ); - if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) - printf( win->GetClassInfo()->GetClassName() ); - printf( ".\n" ); -*/ +static void +gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog) +{ + wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); + event.SetEventObject(dialog); + dialog->HandleWindowEvent(event); +} - win->Close(); +static void gtk_filedialog_response_callback(GtkWidget *w, + gint response, + wxFileDialog *dialog) +{ + if (response == GTK_RESPONSE_ACCEPT) + gtk_filedialog_ok_callback(w, dialog); + else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE + gtk_filedialog_cancel_callback(w, dialog); +} - return TRUE; +static void gtk_filedialog_selchanged_callback(GtkFileChooser *chooser, + wxFileDialog *dialog) +{ + wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser)); + + dialog->GTKSelectionChanged(wxString::FromUTF8(filename)); +} + + +static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser, + gpointer user_data) +{ + GtkWidget *preview = GTK_WIDGET(user_data); + + wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser)); + + if ( !filename ) + return; + + GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL); + gboolean have_preview = pixbuf != NULL; + + gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf); + if ( pixbuf ) + g_object_unref (pixbuf); + + gtk_file_chooser_set_preview_widget_active(chooser, have_preview); +} + +} // extern "C" + +void wxFileDialog::AddChildGTK(wxWindowGTK* child) +{ + // allow dialog to be resized smaller horizontally + gtk_widget_set_size_request( + child->m_widget, child->GetMinWidth(), child->m_height); + + gtk_file_chooser_set_extra_widget( + GTK_FILE_CHOOSER(m_widget), child->m_widget); } //----------------------------------------------------------------------------- -// "clicked" for OK-button +// wxFileDialog //----------------------------------------------------------------------------- -static -void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dialog ) +IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase) + +BEGIN_EVENT_TABLE(wxFileDialog,wxFileDialogBase) + EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk) + EVT_SIZE(wxFileDialog::OnSize) +END_EVENT_TABLE() + +wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message, + const wxString& defaultDir, + const wxString& defaultFileName, + const wxString& wildCard, + long style, const wxPoint& pos, + const wxSize& sz, + const wxString& name) + : wxFileDialogBase() { - if (g_isIdle) wxapp_install_idle_handler(); + Create(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name); +} - int style = dialog->GetStyle(); +bool wxFileDialog::Create(wxWindow *parent, const wxString& message, + const wxString& defaultDir, + const wxString& defaultFileName, + const wxString& wildCard, + long style, const wxPoint& pos, + const wxSize& sz, + const wxString& name) +{ + parent = GetParentForModalDialog(parent, style); - GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget); - char *filename = gtk_file_selection_get_filename(filedlg); + if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName, + wildCard, style, pos, sz, name)) + { + return false; + } - if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) ) + if (!PreCreation(parent, pos, wxDefaultSize) || + !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style, + wxDefaultValidator, wxT("filedialog"))) { - if (wxFileExists( filename )) - { - wxString msg; - msg.Printf( _("File '%s' already exists, do you really want to " - "overwrite it?"), filename); + wxFAIL_MSG( wxT("wxFileDialog creation failed") ); + return false; + } - if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES) - return; - } + GtkFileChooserAction gtk_action; + GtkWindow* gtk_parent = NULL; + if (parent) + gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) ); + + const gchar* ok_btn_stock; + if ( style & wxFD_SAVE ) + { + gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE; + ok_btn_stock = GTK_STOCK_SAVE; } - else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) ) + else { - if ( !wxFileExists( filename ) ) - { - wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK); + gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN; + ok_btn_stock = GTK_STOCK_OPEN; + } - return; + m_widget = gtk_file_chooser_dialog_new( + wxGTK_CONV(m_message), + gtk_parent, + gtk_action, + GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, + ok_btn_stock, GTK_RESPONSE_ACCEPT, + NULL); + g_object_ref(m_widget); + GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget); + + m_fc.SetWidget(file_chooser); + + gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT); + + if ( style & wxFD_MULTIPLE ) + gtk_file_chooser_set_select_multiple(file_chooser, true); + + // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically + // destroys the dialog when the user press ESC on the dialog: in that case + // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL + // errors... + g_signal_connect(m_widget, + "delete_event", + G_CALLBACK (gtk_widget_hide_on_delete), + this); + + // local-only property could be set to false to allow non-local files to be + // loaded. In that case get/set_uri(s) should be used instead of + // get/set_filename(s) everywhere and the GtkFileChooserDialog should + // probably also be created with a backend, e.g. "gnome-vfs", "default", ... + // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept + // as the default - true: + // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true); + + g_signal_connect (m_widget, "response", + G_CALLBACK (gtk_filedialog_response_callback), this); + + g_signal_connect (m_widget, "selection-changed", + G_CALLBACK (gtk_filedialog_selchanged_callback), this); + + // deal with extensions/filters + SetWildcard(wildCard); + + wxString defaultFileNameWithExt = defaultFileName; + if ( !wildCard.empty() && !defaultFileName.empty() && + !wxFileName(defaultFileName).HasExt() ) + { + // append the default extension, if any, to the initial file name: GTK + // won't do it for us by default (unlike e.g. MSW) + const wxFileName fnWC(m_fc.GetCurrentWildCard()); + if ( fnWC.HasExt() ) + { + // Notice that we shouldn't append the extension if it's a wildcard + // because this is not useful: the user would need to change it to use + // some fixed extension anyhow. + const wxString& ext = fnWC.GetExt(); + if ( ext.find_first_of("?*") == wxString::npos ) + defaultFileNameWithExt << "." << ext; } } - // change to the directory where the user went if asked - if ( style & wxCHANGE_DIR ) + + // if defaultDir is specified it should contain the directory and + // defaultFileName should contain the default name of the file, however if + // directory is not given, defaultFileName contains both + wxFileName fn; + if ( defaultDir.empty() ) + fn.Assign(defaultFileNameWithExt); + else if ( !defaultFileNameWithExt.empty() ) + fn.Assign(defaultDir, defaultFileNameWithExt); + else + fn.AssignDir(defaultDir); + + // set the initial file name and/or directory + fn.MakeAbsolute(); // GTK+ needs absolute path + const wxString dir = fn.GetPath(); + if ( !dir.empty() ) { - wxString cwd; - wxSplitPath(filename, &cwd, NULL, NULL); + gtk_file_chooser_set_current_folder(file_chooser, wxGTK_CONV_FN(dir)); + } + + const wxString fname = fn.GetFullName(); + if ( style & wxFD_SAVE ) + { + if ( !fname.empty() ) + { + gtk_file_chooser_set_current_name(file_chooser, wxGTK_CONV_FN(fname)); + } - if ( cwd != wxGetCwd() ) +#if GTK_CHECK_VERSION(2,7,3) + if ((style & wxFD_OVERWRITE_PROMPT) +#ifndef __WXGTK3__ + && gtk_check_version(2,7,3) == NULL +#endif + ) { - wxSetWorkingDirectory(cwd); + gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true); + } +#endif + } + else // wxFD_OPEN + { + if ( !fname.empty() ) + { + gtk_file_chooser_set_filename(file_chooser, + wxGTK_CONV_FN(fn.GetFullPath())); } } - dialog->SetPath( filename ); + if ( style & wxFD_PREVIEW ) + { + GtkWidget *previewImage = gtk_image_new(); - wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK); - event.SetEventObject( dialog ); - dialog->GetEventHandler()->ProcessEvent( event ); + gtk_file_chooser_set_preview_widget(file_chooser, previewImage); + g_signal_connect(m_widget, "update-preview", + G_CALLBACK(gtk_filedialog_update_preview_callback), + previewImage); + } + + return true; } -//----------------------------------------------------------------------------- -// "clicked" for Cancel-button -//----------------------------------------------------------------------------- +wxFileDialog::~wxFileDialog() +{ + if (m_extraControl) + { + // get chooser to drop its reference right now, allowing wxWindow dtor + // to verify that ref count drops to zero + gtk_file_chooser_set_extra_widget( + GTK_FILE_CHOOSER(m_widget), NULL); + } +} -static -void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog ) +void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event)) { - if (g_isIdle) wxapp_install_idle_handler(); + // Update the current directory from here, accessing it later may not work + // due to the strange way GtkFileChooser works. + wxGtkString + str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget))); + m_dir = wxString::FromUTF8(str); - wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); - event.SetEventObject( dialog ); - dialog->GetEventHandler()->ProcessEvent( event ); + EndDialog(wxID_OK); } -//----------------------------------------------------------------------------- -// wxFileDialog -//----------------------------------------------------------------------------- +int wxFileDialog::ShowModal() +{ + WX_HOOK_MODAL_DIALOG(); -IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase) + CreateExtraControl(); -wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message, - const wxString& defaultDir, const wxString& defaultFileName, - const wxString& wildCard, - long style, const wxPoint& pos ) - :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos) -{ - m_needParent = FALSE; + return wxDialog::ShowModal(); +} - if (!PreCreation( parent, pos, wxDefaultSize ) || - !CreateBase( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, wxDefaultValidator, wxT("filedialog") )) - { - wxFAIL_MSG( wxT("wxXX creation failed") ); - return; - } +void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), + int WXUNUSED(width), int WXUNUSED(height), + int WXUNUSED(sizeFlags)) +{ +} - m_widget = gtk_file_selection_new( m_message.mbc_str() ); +void wxFileDialog::OnSize(wxSizeEvent&) +{ + // avoid calling DoLayout(), which will set the (wrong) size of + // m_extraControl, its size is managed by GtkFileChooser +} - int x = (gdk_screen_width () - 400) / 2; - int y = (gdk_screen_height () - 400) / 2; - gtk_widget_set_uposition( m_widget, x, y ); +wxString wxFileDialog::GetPath() const +{ + return m_fc.GetPath(); +} - GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget); - gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway +void wxFileDialog::GetFilenames(wxArrayString& files) const +{ + m_fc.GetFilenames( files ); +} - m_path.Append(m_dir); - if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') ) - m_path.Append('/'); - m_path.Append(m_fileName); +void wxFileDialog::GetPaths(wxArrayString& paths) const +{ + m_fc.GetPaths( paths ); +} - if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str()); +void wxFileDialog::SetMessage(const wxString& message) +{ + m_message = message; + SetTitle(message); +} - gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked", - GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this ); +void wxFileDialog::SetPath(const wxString& path) +{ + wxFileDialogBase::SetPath(path); - // strange way to internationalize - gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) ); + // Don't do anything if no path is specified, in particular don't set the + // path to m_dir below as this would result in opening the dialog in the + // parent directory of this one instead of m_dir itself. + if ( path.empty() ) + return; - gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked", - GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this ); + // we need an absolute path for GTK native chooser so ensure that we have + // it: use the initial directory if it was set or just CWD otherwise (this + // is the default behaviour if m_dir is empty) + wxFileName fn(path); + fn.MakeAbsolute(m_dir); + m_fc.SetPath(fn.GetFullPath()); +} - // strange way to internationalize - gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) ); +void wxFileDialog::SetDirectory(const wxString& dir) +{ + wxFileDialogBase::SetDirectory(dir); - gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", - GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this ); + m_fc.SetDirectory(dir); } -void wxFileDialog::SetPath(const wxString& path) +void wxFileDialog::SetFilename(const wxString& name) { - // not only set the full path but also update filename and dir - m_path = path; - if ( !!path ) + wxFileDialogBase::SetFilename(name); + + if (HasFdFlag(wxFD_SAVE)) { - wxString ext; - wxSplitPath(path, &m_dir, &m_fileName, &ext); - if (!ext.IsEmpty()) + gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name)); + } + + else + { + wxString path( GetDirectory() ); + if (path.empty()) { - m_fileName += wxT("."); - m_fileName += ext; + // SetPath() fires an assert if fed other than filepaths + return; } + SetPath(wxFileName(path, name).GetFullPath()); } } +wxString wxFileDialog::GetFilename() const +{ + wxString currentFilename( m_fc.GetFilename() ); + if (currentFilename.empty()) + { + // m_fc.GetFilename() will return empty until the dialog has been shown + // in which case use any previously provided value + currentFilename = m_fileName; + } + return currentFilename; +} + +void wxFileDialog::SetWildcard(const wxString& wildCard) +{ + wxFileDialogBase::SetWildcard(wildCard); + m_fc.SetWildcard( GetWildcard() ); +} + +void wxFileDialog::SetFilterIndex(int filterIndex) +{ + m_fc.SetFilterIndex( filterIndex); +} + +int wxFileDialog::GetFilterIndex() const +{ + return m_fc.GetFilterIndex(); +} + +void wxFileDialog::GTKSelectionChanged(const wxString& filename) +{ + m_currentlySelectedFilename = filename; + + if (m_extraControl) + m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE); +} + +#endif // wxUSE_FILEDLG