Mercurial > cpython-lru_cache-weakref

diff Modules/stdwinmodule.c @ 252:6811912f672d legacy-trunk

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Don't suppress wsetfont(""); Don't report WE_MENU events with None as menu pointer; Added stdwin.getactie() function; Moved code to turn WINDOW* into windowobject* to a separate function.
author Guido van Rossum <guido@python.org>
date Mon, 03 Jun 1991 10:55:14 +0000
parents 9eb13c67ae6f
children 85bd7dac13f3
line wrap: on
line diff
--- a/Modules/stdwinmodule.c	Mon Jun 03 10:54:55 1991 +0000
+++ b/Modules/stdwinmodule.c	Mon Jun 03 10:55:14 1991 +0000
@@ -628,8 +628,7 @@
 		err_badarg();
 		return NULL;
 	}
-	if (getstringsize(font) != 0)
-		wsetfont(getstringvalue(font));
+	wsetfont(getstringvalue(font));
 	if (style != NULL) {
 		switch (*getstringvalue(style)) {
 		case 'b':
@@ -1640,6 +1639,33 @@
 }
 
 static object *
+window2object(win)
+	WINDOW *win;
+{
+	object *w;
+	if (win == NULL)
+		w = None;
+	else {
+		int tag = wgettag(win);
+		if (tag < 0 || tag >= MAXNWIN || windowlist[tag] == NULL ||
+			windowlist[tag]->w_win != win)
+			w = None;
+		else
+			w = (object *)windowlist[tag];
+#ifdef sgi
+		/* XXX Trap for unexplained weird bug */
+		if ((long)w == (long)0x80000001) {
+			err_setstr(SystemError,
+				"bad pointer in stdwin.getevent()");
+			return NULL;
+		}
+#endif
+	}
+	INCREF(w);
+	return w;
+}
+
+static object *
 stdwin_get_poll_event(poll, args)
 	int poll;
 	object *args;
@@ -1652,7 +1678,7 @@
 		err_setstr(RuntimeError, "cannot getevent() while drawing");
 		return NULL;
 	}
-/* again: */
+ again:
 	if (poll) {
 		if (!wpollevent(&e)) {
 			INCREF(None);
@@ -1666,10 +1692,6 @@
 		err_set(KeyboardInterrupt);
 		return NULL;
 	}
-/*
-	if (e.window == NULL && (e.type == WE_COMMAND || e.type == WE_CHAR))
-		goto again;
-*/
 	if (e.type == WE_COMMAND && e.u.command == WC_CLOSE) {
 		/* Turn WC_CLOSE commands into WE_CLOSE events */
 		e.type = WE_CLOSE;
@@ -1682,25 +1704,7 @@
 		return NULL;
 	}
 	settupleitem(v, 0, w);
-	if (e.window == NULL)
-		w = None;
-	else {
-		int tag = wgettag(e.window);
-		if (tag < 0 || tag >= MAXNWIN || windowlist[tag] == NULL)
-			w = None;
-		else
-			w = (object *)windowlist[tag];
-#ifdef sgi
-		/* XXX Trap for unexplained weird bug */
-		if ((long)w == (long)0x80000001) {
-			err_setstr(SystemError,
-				"bad pointer in stdwin.getevent()");
-			return NULL;
-		}
-#endif
-	}
-	INCREF(w);
-	settupleitem(v, 1, w);
+	settupleitem(v, 1, window2object(e.window));
 	switch (e.type) {
 	case WE_CHAR:
 		{
@@ -1728,8 +1732,14 @@
 		if (e.u.m.id >= IDOFFSET && e.u.m.id < IDOFFSET+MAXNMENU &&
 				menulist[e.u.m.id - IDOFFSET] != NULL)
 			w = (object *)menulist[e.u.m.id - IDOFFSET];
-		else
-			w = None;
+		else {
+			/* Ghost menu event.
+			   Can occur only on the Mac if another part
+			   of the aplication has installed a menu;
+			   like the THINK C console library. */
+			DECREF(v);
+			goto again;
+		}
 		w = makemenu(w, e.u.m.item);
 		break;
 	case WE_LOST_SEL:
@@ -1948,6 +1958,14 @@
 }
 
 static object *
+stdwin_getactive(self, args)
+	object *self;
+	object *args;
+{
+	return window2object(wgetactive());
+}
+
+static object *
 stdwin_getcutbuffer(self, args)
 	object *self;
 	object *args;
@@ -2050,6 +2068,7 @@
 	{"askync",		stdwin_askync},
 	{"fetchcolor",		stdwin_fetchcolor},
 	{"fleep",		stdwin_fleep},
+	{"getactive",		stdwin_getactive},
 	{"getcutbuffer",	stdwin_getcutbuffer},
 	{"getdefscrollbars",	stdwin_getdefscrollbars},
 	{"getdefwinpos",	stdwin_getdefwinpos},