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utils/mxtk/mxchoice.cpp

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+//
+//                 mxToolKit (c) 1999 by Mete Ciragan
+//
+// file:           mxChoice.cpp
+// implementation: Win32 API
+// last modified:  Apr 28 1999, Mete Ciragan
+// copyright:      The programs and associated files contained in this
+//                 distribution were developed by Mete Ciragan. The programs
+//                 are not in the public domain, but they are freely
+//                 distributable without licensing fees. These programs are
+//                 provided without guarantee or warrantee expressed or
+//                 implied.
+//
+#include "mxtk/mxChoice.h"
+#include <windows.h>
+
+
+
+class mxChoice_i
+{
+public:
+	int dummy;
+};
+
+
+
+mxChoice::mxChoice (mxWindow *parent, int x, int y, int w, int h, int id)
+: mxWidget (parent, x, y, w, h)
+{
+	if (!parent)
+		return;
+
+	HWND hwndParent = (HWND) ((mxWidget *) parent)->getHandle ();
+
+	void *handle = (void *) CreateWindowEx (0, "COMBOBOX", "", WS_VISIBLE | WS_CHILD | WS_VSCROLL | CBS_DROPDOWNLIST,
+				x, y, w, h + 500, hwndParent,
+				(HMENU) id, (HINSTANCE) GetModuleHandle (NULL), NULL);
+	
+	SendMessage ((HWND) handle, WM_SETFONT, (WPARAM) (HFONT) GetStockObject (ANSI_VAR_FONT), MAKELPARAM (TRUE, 0));
+	SetWindowLong ((HWND) handle, GWL_USERDATA, (LONG) this);
+
+	setHandle (handle);
+	setType (MX_CHOICE);
+	setParent (parent);
+	setId (id);
+}
+
+
+
+mxChoice::~mxChoice ()
+{
+	removeAll ();
+}
+
+
+
+void
+mxChoice::add (const char *item)
+{
+	SendMessage ((HWND) getHandle (), CB_ADDSTRING, 0, (LPARAM) (LPCTSTR) item);
+}
+
+
+
+void
+mxChoice::select (int index)
+{
+	SendMessage ((HWND) getHandle (), CB_SETCURSEL, (WPARAM) index, 0L);
+}
+
+
+
+void
+mxChoice::remove (int index)
+{
+	SendMessage ((HWND) getHandle (), CB_DELETESTRING, (WPARAM) index, 0L);
+}
+
+
+
+void
+mxChoice::removeAll ()
+{
+	SendMessage ((HWND) getHandle (), CB_RESETCONTENT, 0, 0L);
+}
+
+
+
+int
+mxChoice::getItemCount () const
+{
+	return (int) SendMessage ((HWND) getHandle (), CB_GETCOUNT, 0, 0L);
+}
+
+
+
+int
+mxChoice::getSelectedIndex () const
+{
+	return (int) SendMessage ((HWND) getHandle (), CB_GETCURSEL, 0, 0L);
+}