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| author | Po Lu <luangruo@yahoo.com> | 2022-03-05 09:35:44 +0800 |
|---|---|---|
| committer | Po Lu <luangruo@yahoo.com> | 2022-03-05 09:35:44 +0800 |
| commit | 6efed75ff3158214d16482f2bcca06c9ac010da4 (patch) | |
| tree | 886ebede3e3ff7ec449f3c8c92b49cddccee41b1 /lwlib | |
| parent | 08221a58b752326c077707622b8b1df429564f3a (diff) | |
| download | emacs-6efed75ff3158214d16482f2bcca06c9ac010da4.tar.gz | |
Implement `pre_activate' callbacks for Motif menus
* lwlib/lwlib-Xm.c (make_menu_in_widget): Add
xm_pop_up_callback as the popup callback.
(xm_pop_up_callback): New function.
Diffstat (limited to 'lwlib')
| -rw-r--r-- | lwlib/lwlib-Xm.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lwlib/lwlib-Xm.c b/lwlib/lwlib-Xm.c index a1114d42556..52ea304f717 100644 --- a/lwlib/lwlib-Xm.c +++ b/lwlib/lwlib-Xm.c @@ -115,6 +115,7 @@ static void xm_generic_callback (Widget, XtPointer, XtPointer); static void xm_nosel_callback (Widget, XtPointer, XtPointer); static void xm_pull_down_callback (Widget, XtPointer, XtPointer); static void xm_pop_down_callback (Widget, XtPointer, XtPointer); +static void xm_pop_up_callback (Widget, XtPointer, XtPointer); static void xm_internal_update_other_instances (Widget, XtPointer, XtPointer); static void xm_arm_callback (Widget, XtPointer, XtPointer); @@ -513,8 +514,12 @@ make_menu_in_widget (widget_instance* instance, /* Add a callback to popups and pulldowns that is called when it is made invisible again. */ if (!menubar_p) - XtAddCallback (XtParent (widget), XmNpopdownCallback, - xm_pop_down_callback, (XtPointer)instance); + { + XtAddCallback (XtParent (widget), XmNpopdownCallback, + xm_pop_down_callback, (XtPointer) instance); + XtAddCallback (XtParent (widget), XmNpopupCallback, + xm_pop_up_callback, (XtPointer) instance); + } /* Preserve the first KEEP_FIRST_CHILDREN old children. */ for (child_index = 0, cur = val; child_index < keep_first_children; @@ -1915,6 +1920,18 @@ xm_pop_down_callback (Widget widget, do_call (widget, closure, post_activate); } +static void +xm_pop_up_callback (Widget widget, + XtPointer closure, + XtPointer call_data) +{ + widget_instance *instance = (widget_instance *) closure; + + if ((!instance->pop_up_p && XtParent (widget) == instance->widget) + || XtParent (widget) == instance->parent) + do_call (widget, closure, pre_activate); +} + /* set the keyboard focus */ void |