Removed the old GTK+ uiCheckbox.

unix/checkbox.c

@@ -1,38 +0,0 @@
-// 7 april 2015
-#include "uipriv_unix.h"
-
-struct checkbox {
-	uiCheckbox c;
-	GtkWidget *widget;
-	GtkButton *button;
-	GtkToggleButton *toggleButton;
-	GtkCheckButton *checkButton;
-	void (*onToggled)(uiCheckbox *, void *);
-	void *onToggledData;
-	gulong onToggledSignal;
-};
-
-static void defaultOnToggled(uiCheckbox *c, void *data)
-{
-	// do nothing
-}
-
-
-
-
-uiCheckbox *uiNewCheckbox(const char *text)
-{
-	struct checkbox *c;
-
-	c = uiNew(struct checkbox);
-
-	c->onToggled = defaultOnToggled;
-
-	uiCheckbox(c)->Text = checkboxText;
-	uiCheckbox(c)->SetText = checkboxSetText;
-	uiCheckbox(c)->OnToggled = checkboxOnToggled;
-	uiCheckbox(c)->Checked = checkboxChecked;
-	uiCheckbox(c)->SetChecked = checkboxSetChecked;
-
-	return uiCheckbox(c);
-}