added PopUpWidget; hacked it into the edit game dialog just to show how to use it; note: this is NOT finished by any means, the look will change, the code will change, this is just an early preview :-)

svn-id: r5914

1 files changed, 78 insertions, 0 deletions

diff --git a/gui/PopUpWidget.h b/gui/PopUpWidget.h
new file mode 100644
index 0000000000..c5901a2317
--- /dev/null
+++ b/gui/PopUpWidget.h
@@ -0,0 +1,78 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef POPUPWIDGET_H
+#define POPUPWIDGET_H
+
+#include "widget.h"
+#include "common/str.h"
+#include "common/list.h"
+
+enum {
+	kPopUpItemSelectedCmd	= 'POPs'
+};
+
+/* PopUpWidget
+ * A popup or dropdown widget which, when clicked, "pop up" a list of items and
+ * lets the user pick on of them.
+ *
+ * Implementation wise, when the user selects an item, then a kPopUpItemSelectedCmd 
+ * is broadcast, with data being equal to the tag value of the selected entry.
+ */
+class PopUpWidget : public Widget, public CommandSender {
+	friend class PopUpDialog;
+	typedef ScummVM::String String;
+	
+	struct Entry {
+		String	name;
+		uint32	tag;
+	};
+	typedef ScummVM::List<Entry> EntryList;
+protected:
+	static const String emptyStr;
+
+	EntryList		_entries;
+	int				_selectedItem;
+
+public:
+	PopUpWidget(Dialog *boss, int x, int y, int w, int h);
+
+	void handleMouseDown(int x, int y, int button, int clickCount);
+/*
+	void handleMouseUp(int x, int y, int button, int clickCount);
+//	void handleMouseWheel(int x, int y, int direction);	// Scroll through entries with scroll wheel
+	void handleMouseMoved(int x, int y, int button);	// Redraw selections depending on mouse position
+//	bool handleKeyDown(uint16 ascii, int keycode, int modifiers);	// Scroll through entries with arrow keys etc.
+//	void handleCommand(CommandSender *sender, uint32 cmd, uint32 data);
+*/
+
+	void appendEntry(const String &entry, uint32 tag = (uint32)-1);
+//	void setEntries(const EntryList &entries);
+	void clearEntries();
+
+	void setSelected(int item);
+	int getSelected() const						{ return _selectedItem; }
+	const String& getSelectedString() const		{ return (_selectedItem >= 0) ? _entries[_selectedItem].name : emptyStr; }
+
+protected:
+	void drawWidget(bool hilite);
+};
+
+#endif