From a0bd5e615df96644cc98de4226c85c9f2eb78437 Mon Sep 17 00:00:00 2001 From: fvogel Date: Wed, 21 Sep 2016 06:32:55 +0000 Subject: (Modernized) patch from egavilan to fix [2863003fff] and [d6b95ce492] - tk frame does not shrink to 0 height if last children unpacked. A virtual event is sent when the pack or grid geometry manager leaves a parent without any slaves FossilOrigin-Name: 60230550e897546ad2000b515598a9723d816e89 --- generic/tkGrid.c | 8 +++++--- generic/tkPack.c | 6 +++++- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/generic/tkGrid.c b/generic/tkGrid.c index 2a88b76..a4b4125 100644 --- a/generic/tkGrid.c +++ b/generic/tkGrid.c @@ -1733,12 +1733,14 @@ ArrangeGrid( /* * If the master has no slaves anymore, then don't do anything at all: - * just leave the master's size as-is. Otherwise there is no way to - * "relinquish" control over the master so another geometry manager can - * take over. + * just leave the master's size as-is, but signal the master with the + * <> virtual event. + * Otherwise there is no way to "relinquish" control over the master + * so another geometry manager can take over. */ if (masterPtr->slavePtr == NULL) { + TkSendVirtualEvent(masterPtr->tkwin, "GeometryManager", NULL); return; } diff --git a/generic/tkPack.c b/generic/tkPack.c index 88a4b2d..d46d64c 100644 --- a/generic/tkPack.c +++ b/generic/tkPack.c @@ -600,10 +600,14 @@ ArrangePacking( /* * If the master has no slaves anymore, then don't do anything at all: - * just leave the master's size as-is. + * just leave the master's size as-is, but signal the master with the + * <> virtual event. + * Otherwise there is no way to "relinquish" control over the master + * so another geometry manager can take over. */ if (masterPtr->slavePtr == NULL) { + TkSendVirtualEvent(masterPtr->tkwin, "GeometryManager", NULL); return; } -- cgit v0.12