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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/input_window_dialog.h"
#include <gtk/gtk.h>
#include "base/message_loop.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
class GtkInputWindowDialog : public InputWindowDialog {
public:
// Creates a dialog. Takes ownership of |delegate|.
GtkInputWindowDialog(GtkWindow* parent,
const std::string& window_title,
const std::string& label,
const std::string& contents,
Delegate* delegate);
virtual ~GtkInputWindowDialog();
virtual void Show();
virtual void Close();
private:
static void OnEntryChanged(GtkEditable* entry,
GtkInputWindowDialog* window);
static void OnResponse(GtkDialog* dialog, int response_id,
GtkInputWindowDialog* window);
static gboolean OnWindowDeleteEvent(GtkWidget* widget,
GdkEvent* event,
GtkInputWindowDialog* dialog);
static void OnWindowDestroy(GtkWidget* widget, GtkInputWindowDialog* dialog);
// The underlying gtk dialog window.
GtkWidget* dialog_;
// The GtkEntry in this form.
GtkWidget* input_;
// Our delegate. Consumes the window's output.
scoped_ptr<InputWindowDialog::Delegate> delegate_;
};
GtkInputWindowDialog::GtkInputWindowDialog(GtkWindow* parent,
const std::string& window_title,
const std::string& label,
const std::string& contents,
Delegate* delegate)
: dialog_(gtk_dialog_new_with_buttons(
window_title.c_str(),
parent,
GTK_DIALOG_MODAL,
GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
NULL)),
delegate_(delegate) {
gtk_dialog_set_default_response(GTK_DIALOG(dialog_), GTK_RESPONSE_ACCEPT);
gtk_dialog_set_has_separator(GTK_DIALOG(dialog_), FALSE);
GtkWidget* content_area = GTK_DIALOG(dialog_)->vbox;
gtk_box_set_spacing(GTK_BOX(content_area), 18);
GtkWidget* hbox = gtk_hbox_new(FALSE, 6);
GtkWidget* label_widget = gtk_label_new(label.c_str());
gtk_box_pack_start(GTK_BOX(hbox), label_widget, FALSE, FALSE, 0);
input_ = gtk_entry_new();
gtk_entry_set_text(GTK_ENTRY(input_), contents.c_str());
g_signal_connect(G_OBJECT(input_), "changed",
G_CALLBACK(OnEntryChanged), this);
g_object_set(G_OBJECT(input_), "activates-default", TRUE, NULL);
gtk_box_pack_start(GTK_BOX(hbox), input_, TRUE, TRUE, 0);
gtk_widget_show_all(hbox);
gtk_box_pack_start(GTK_BOX(content_area), hbox, FALSE, FALSE, 0);
g_signal_connect(dialog_, "response",
G_CALLBACK(OnResponse), this);
g_signal_connect(dialog_, "delete-event",
G_CALLBACK(OnWindowDeleteEvent), this);
g_signal_connect(dialog_, "destroy",
G_CALLBACK(OnWindowDestroy), this);
}
GtkInputWindowDialog::~GtkInputWindowDialog() {
}
void GtkInputWindowDialog::Show() {
gtk_widget_show(GTK_WIDGET(dialog_));
}
void GtkInputWindowDialog::Close() {
// Under the model that we've inherited from Windows, dialogs can receive
// more than one Close() call inside the current message loop event.
if (dialog_) {
gtk_widget_destroy(GTK_WIDGET(dialog_));
dialog_ = NULL;
}
}
// static
void GtkInputWindowDialog::OnEntryChanged(GtkEditable* entry,
GtkInputWindowDialog* window) {
std::wstring value(UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(entry))));
gtk_dialog_set_response_sensitive(GTK_DIALOG(window->dialog_),
GTK_RESPONSE_ACCEPT,
window->delegate_->IsValid(value));
}
// static
void GtkInputWindowDialog::OnResponse(GtkDialog* dialog, int response_id,
GtkInputWindowDialog* window) {
if (response_id == GTK_RESPONSE_ACCEPT) {
std::wstring value(UTF8ToWide(gtk_entry_get_text(
GTK_ENTRY(window->input_))));
window->delegate_->InputAccepted(value);
} else {
window->delegate_->InputCanceled();
}
window->Close();
}
// static
gboolean GtkInputWindowDialog::OnWindowDeleteEvent(
GtkWidget* widget,
GdkEvent* event,
GtkInputWindowDialog* dialog) {
dialog->Close();
// Return true to prevent the gtk dialog from being destroyed. Close will
// destroy it for us and the default gtk_dialog_delete_event_handler() will
// force the destruction without us being able to stop it.
return TRUE;
}
// static
void GtkInputWindowDialog::OnWindowDestroy(GtkWidget* widget,
GtkInputWindowDialog* dialog) {
MessageLoop::current()->DeleteSoon(FROM_HERE, dialog);
}
// static
InputWindowDialog* InputWindowDialog::Create(gfx::NativeWindow parent,
const std::wstring& window_title,
const std::wstring& label,
const std::wstring& contents,
Delegate* delegate) {
return new GtkInputWindowDialog(parent,
WideToUTF8(window_title),
WideToUTF8(label),
WideToUTF8(contents),
delegate);
}
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