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utils/mxtk/mxradiobutton.cpp

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+//
+//                 mxToolKit (c) 1999 by Mete Ciragan
+//
+// file:           mxRadioButton.cpp
+// implementation: Win32 API
+// last modified:  Mar 18 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/mxRadioButton.h"
+#include <windows.h>
+
+
+
+class mxRadioButton_i
+{
+public:
+	int dummy;
+};
+
+
+
+mxRadioButton::mxRadioButton (mxWindow *parent, int x, int y, int w, int h, const char *label, int id, bool newGroup)
+: mxWidget (parent, x, y, w, h, label)
+{
+	if (!parent)
+		return;
+
+	DWORD dwStyle = WS_VISIBLE | WS_CHILD | BS_AUTORADIOBUTTON;
+	HWND hwndParent = (HWND) ((mxWidget *) parent)->getHandle ();
+
+	if (newGroup)
+		dwStyle |= WS_GROUP;
+
+	void *handle = (void *) CreateWindowEx (0, "BUTTON", label, dwStyle,
+				x, y, w, h, 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_RADIOBUTTON);
+	setParent (parent);
+	setId (id);
+
+	setChecked (newGroup);
+}
+
+
+
+mxRadioButton::~mxRadioButton ()
+{
+}
+
+
+
+void
+mxRadioButton::setChecked (bool b)
+{
+	SendMessage ((HWND) getHandle (), BM_SETCHECK, (WPARAM) b ? BST_CHECKED:BST_UNCHECKED, 0L);
+}
+
+
+
+bool
+mxRadioButton::isChecked () const
+{
+	return (SendMessage ((HWND) getHandle (), BM_GETCHECK, 0, 0L) == BST_CHECKED);
+}