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To avoid gratuitous flicker, if a control already has the focus when it's

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clicked in, don't attempt to move the focus at all.

[originally from svn r3073]
This commit is contained in:
Ben Harris 2003-04-06 13:27:40 +00:00
parent 9675063d38
commit f48a3189fe
1 changed files with 7 additions and 3 deletions
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10
mac/macctrls.c
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@ -1,4 +1,4 @@
/* $Id: macctrls.c,v 1.30 2003/04/05 22:00:57 ben Exp $ */ /* $Id: macctrls.c,v 1.31 2003/04/06 13:27:40 ben Exp $ */
/* /*
* Copyright (c) 2003 Ben Harris * Copyright (c) 2003 Ben Harris
* All rights reserved. * All rights reserved.
@ -439,6 +439,8 @@ static void macctrl_enfocus(union macctrl *mc)
static void macctrl_setfocus(struct macctrls *mcs, union macctrl *mc) static void macctrl_setfocus(struct macctrls *mcs, union macctrl *mc)
{ {
if (mcs->focus == mc)
return;
if (mcs->focus != NULL) if (mcs->focus != NULL)
macctrl_defocus(mcs->focus); macctrl_defocus(mcs->focus);
mcs->focus = mc; mcs->focus = mc;
@ -999,7 +1001,7 @@ void macctrl_activate(WindowPtr window, EventRecord *event)
void macctrl_click(WindowPtr window, EventRecord *event) void macctrl_click(WindowPtr window, EventRecord *event)
{ {
Point mouse; Point mouse;
ControlHandle control; ControlHandle control, oldfocus;
int part, trackresult; int part, trackresult;
GrafPtr saveport; GrafPtr saveport;
union macctrl *mc; union macctrl *mc;
@ -1017,7 +1019,9 @@ void macctrl_click(WindowPtr window, EventRecord *event)
if (mac_gestalts.apprvers >= 0x100) { if (mac_gestalts.apprvers >= 0x100) {
if (GetControlFeatures(control, &features) == noErr && if (GetControlFeatures(control, &features) == noErr &&
(features & kControlSupportsFocus) && (features & kControlSupportsFocus) &&
(features & kControlGetsFocusOnClick)) (features & kControlGetsFocusOnClick) &&
GetKeyboardFocus(window, &oldfocus) == noErr &&
control != oldfocus)
SetKeyboardFocus(window, control, part); SetKeyboardFocus(window, control, part);
trackresult = HandleControlClick(control, mouse, event->modifiers, trackresult = HandleControlClick(control, mouse, event->modifiers,
(ControlActionUPP)-1); (ControlActionUPP)-1);