SHERLOCK: RT: Beginnings of UI widget classes

1 files changed, 74 insertions, 0 deletions

diff --git a/engines/sherlock/tattoo/widget_verbs.cpp b/engines/sherlock/tattoo/widget_verbs.cpp
new file mode 100644
index 0000000000..fead5269f7
--- /dev/null
+++ b/engines/sherlock/tattoo/widget_verbs.cpp
@@ -0,0 +1,74 @@
+/* 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 "sherlock/tattoo/widget_verbs.h"
+#include "sherlock/tattoo/tattoo.h"
+
+namespace Sherlock {
+
+namespace Tattoo {
+
+WidgetVerbs::WidgetVerbs(SherlockEngine *vm) : _vm(vm) {
+	_selector = _oldSelector = -1;
+}
+
+void WidgetVerbs::execute() {
+	checkTabbingKeys(_verbCommands.size());
+
+	// Highlight verb display as necessary
+	highlightVerbControls();
+
+	// TODO
+}
+
+void WidgetVerbs::checkTabbingKeys(int numOptions) {
+
+}
+
+void WidgetVerbs::highlightVerbControls() {
+	Events &events = *_vm->_events;
+	Screen &screen = *_vm->_screen;
+	Common::Point mousePos = events.mousePos();
+
+	// Get highlighted verb
+	_selector = -1;
+	Common::Rect bounds = _bounds;
+	bounds.grow(-3);
+	if (bounds.contains(mousePos))
+		_selector = (mousePos.y - bounds.top) / (screen.fontHeight() + 7);
+
+	// See if a new verb is being pointed at
+	if (_selector != _oldSelector) {
+		// Redraw the verb list
+		for (int idx = 0; idx < (int)_verbCommands.size(); ++idx) {
+			byte color = (idx == _selector) ? COMMAND_HIGHLIGHTED : INFO_TOP;
+			_surface.writeString(_verbCommands[idx], Common::Point((_bounds.width() - screen.stringWidth(_verbCommands[idx])) / 2,
+				(screen.fontHeight() + 7) * idx + 5), color);
+		}
+
+		_oldSelector = _selector;
+	}
+}
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock