Initial commit

backends/dialogs/gtk/gtk-dialogs.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_EXCEPTION_FILE
+#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
+#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
+#define FORBIDDEN_SYMBOL_EXCEPTION_setlocale
+#include "common/scummsys.h"
+
+#if defined(POSIX) && defined(USE_SYSDIALOGS) && defined(USE_GTK)
+
+#include "backends/dialogs/gtk/gtk-dialogs.h"
+
+#include "common/config-manager.h"
+#include "common/events.h"
+#include "common/translation.h"
+
+#include <locale.h>
+#include <gtk/gtk.h>
+
+// TODO: Move this into the class? Probably possible, but I've been told that
+//       this might not necessarily work properly with all compilers.
+
+static gboolean _inDialog;
+static uint32 _lastUpdateTick = 0;
+
+static gboolean idleCallback(gpointer data) {
+	uint32 currentTick = g_system->getMillis();
+	if (g_system->getMillis() - _lastUpdateTick > 10) {
+		Common::Event dummy;
+		while (g_system->getEventManager()->pollEvent(dummy)) {}
+		g_system->updateScreen();
+		_lastUpdateTick = currentTick;
+	}
+	return _inDialog;
+}
+
+Common::DialogManager::DialogResult GtkDialogManager::showFileBrowser(const Common::U32String &title, Common::FSNode &choice, bool isDirBrowser) {
+	if (!gtk_init_check(NULL, NULL))
+		return kDialogError;
+
+	DialogResult result = kDialogCancel;
+
+	// Convert labels to UTF-8
+	Common::String utf8Title = title.encode();
+	Common::String utf8Choose = _("Choose").encode();
+	Common::String utf8Cancel = _("Cancel").encode();
+
+	GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN;
+	if (isDirBrowser) {
+		action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
+	}
+
+	// Set locale to environment one to let user have its localized folders in the browser
+	setlocale(LC_ALL, "");
+
+#if GTK_CHECK_VERSION(3,20,0)
+	GtkFileChooserNative *native = gtk_file_chooser_native_new(utf8Title.c_str(), NULL, action, utf8Choose.c_str(), utf8Cancel.c_str());
+	GtkFileChooser *chooser = GTK_FILE_CHOOSER(native);
+#else
+	GtkWidget *dialog = gtk_file_chooser_dialog_new(utf8Title.c_str(), NULL, action, utf8Choose.c_str(), GTK_RESPONSE_ACCEPT, utf8Cancel.c_str(), GTK_RESPONSE_CANCEL, NULL);
+	GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog);
+#endif
+
+	// Customize dialog
+	gtk_file_chooser_set_show_hidden(chooser, ConfMan.getBool("gui_browser_show_hidden", Common::ConfigManager::kApplicationDomain));
+	if (ConfMan.hasKey("browser_lastpath")) {
+		gtk_file_chooser_set_current_folder(chooser, ConfMan.getPath("browser_lastpath").toString(Common::Path::kNativeSeparator).c_str());
+	}
+
+	// Show dialog
+	beginDialog();
+
+	_inDialog = TRUE;
+	g_idle_add(idleCallback, NULL);
+
+#if GTK_CHECK_VERSION(3,20,0)
+	int res = gtk_native_dialog_run(GTK_NATIVE_DIALOG(native));
+#else
+	int res = gtk_dialog_run(GTK_DIALOG(dialog));
+#endif
+	if (res == GTK_RESPONSE_ACCEPT) {
+		// Get the selection from the user
+		char *pathS = gtk_file_chooser_get_filename(chooser);
+		Common::Path path(pathS, Common::Path::kNativeSeparator);
+		choice = Common::FSNode(path);
+		ConfMan.setPath("browser_lastpath", path);
+		result = kDialogOk;
+		g_free(pathS);
+	}
+
+	_inDialog = FALSE;
+
+	// Restore default C locale to prevent issues with
+	// portability of sscanf(), atof(), etc.
+	// See bugs #6434 and #14196
+	setlocale(LC_ALL, "C");
+
+#if GTK_CHECK_VERSION(3,20,0)
+	g_object_unref(native);
+#else
+	gtk_widget_destroy(dialog);
+#endif
+
+	while (gtk_events_pending())
+		gtk_main_iteration();
+	endDialog();
+	return result;
+}
+
+#endif

backends/dialogs/gtk/gtk-dialogs.h

@@ -0,0 +1,37 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKEND_GTK_DIALOGS_H
+#define BACKEND_GTK_DIALOGS_H
+
+#if defined(POSIX) && defined(USE_SYSDIALOGS) && defined(USE_GTK)
+
+#include "common/fs.h"
+#include "common/dialogs.h"
+
+class GtkDialogManager : public Common::DialogManager {
+public:
+	virtual DialogResult showFileBrowser(const Common::U32String &title, Common::FSNode &choice, bool isDirBrowser);
+};
+
+#endif
+
+#endif // BACKEND_GTK_DIALOGS_H