GUI: Added initial implementation for Updates opt-in wizard

gui/module.mk

@@ -65,5 +65,10 @@ MODULE_OBJS += \
 	fluidsynth-dialog.o
 endif
 
+ifdef USE_UPDATES
+MODULE_OBJS += \
+	updates-dialog.o
+endif
+
 # Include common rules
 include $(srcdir)/rules.mk

gui/updates-dialog.cpp

@@ -0,0 +1,101 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/str.h"
+#include "common/system.h"
+#include "common/translation.h"
+#include "gui/updates-dialog.h"
+#include "gui/gui-manager.h"
+#include "gui/ThemeEval.h"
+#include "gui/widget.h"
+
+namespace GUI {
+
+enum {
+	kOkCmd = 'OK  ',
+	kCancelCmd = 'CNCL'
+};
+
+
+UpdatesDialog::UpdatesDialog() : Dialog(30, 20, 260, 124) {
+
+	const int screenW = g_system->getOverlayWidth();
+	const int screenH = g_system->getOverlayHeight();
+
+	int buttonWidth = g_gui.xmlEval()->getVar("Globals.Button.Width", 0);
+	int buttonHeight = g_gui.xmlEval()->getVar("Globals.Button.Height", 0);
+
+	const char *message = _(
+		"ScummVM now supports automatic check for updates\n"
+		"which requires access to the Internet.\n"
+  		"\n"
+		"Would you like to enable this feature?\n"
+	    "(You can always enable it in the options\n"
+		"dialog on the Misc tab)");
+
+	// First, determine the size the dialog needs. For this we have to break
+	// down the string into lines, and taking the maximum of their widths.
+	// Using this, and accounting for the space the button(s) need, we can set
+	// the real size of the dialog
+	Common::Array<Common::String> lines;
+	int lineCount, okButtonPos, cancelButtonPos;
+	int maxlineWidth = g_gui.getFont().wordWrapText(message, screenW - 2 * 20, lines);
+
+	_w = MAX(maxlineWidth, (2 * buttonWidth) + 10) + 20;
+
+	lineCount = lines.size();
+
+	_h = 16;
+	_h += buttonHeight + 8;
+
+	_h += lineCount * kLineHeight;
+
+	// Center the dialog
+	_x = (screenW - _w) / 2;
+	_y = (screenH - _h) / 2;
+
+	// Each line is represented by one static text item.
+	int y = 10;
+	for (int i = 0; i < lines.size(); i++) {
+		new StaticTextWidget(this, 10, y, maxlineWidth, kLineHeight,
+								lines[i], Graphics::kTextAlignCenter);
+		y += kLineHeight;
+	}
+
+	okButtonPos = (_w - (buttonWidth * 2)) / 2;
+	cancelButtonPos = ((_w - (buttonWidth * 2)) / 2) + buttonWidth + 10;
+
+	new ButtonWidget(this, okButtonPos, _h - buttonHeight - 8, buttonWidth, buttonHeight, "OK", 0, kOkCmd, Common::ASCII_RETURN);	// Confirm dialog
+	new ButtonWidget(this, cancelButtonPos, _h - buttonHeight - 8, buttonWidth, buttonHeight, "Cancel", 0, kCancelCmd, Common::ASCII_ESCAPE);	// Cancel dialog
+}
+
+void UpdatesDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
+	if (cmd == kOkCmd) {
+		close();
+	} else if (cmd == kCancelCmd) {
+		close();
+	} else {
+		Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+} // End of namespace GUI

gui/updates-dialog.h

@@ -0,0 +1,44 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef GUI_UPDATES_DIALOG_H
+#define GUI_UPDATES_DIALOG_H
+
+#include "gui/dialog.h"
+
+namespace GUI {
+
+class CommandSender;
+
+/**
+ * Wizard for updates opt-in
+ */
+class UpdatesDialog : public Dialog {
+public:
+	UpdatesDialog();
+
+	void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
+};
+
+} // End of namespace GUI
+
+#endif