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Fix T87489: Text Data-Blocks get deleted on Recursive Purge

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Text data block were not considered special in the recursive purge
function.  So they would get deleted if they had no actual users.

To fix this we instead make text data block use "fake user" so that
addon authors can specify script files that should be removed if nothing
is using it anymore.

Per default, new text object have "fake user" set. So functionality
wise, the user has to explicitly specify that they want the text object
to be purge-able.

Reviewed By: Bastien

Differential Revision: http://developer.blender.org/D10983
This commit is contained in:
Sebastian Parborg
2021-05-04 14:46:32 +02:00
parent 4599cea15d
commit d0b3f9c81b
7 changed files with 46 additions and 26 deletions
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2
source/blender/editors/interface/interface_templates.c
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@@ -1110,7 +1110,7 @@ static void template_ID(const bContext *C,
UI_but_flag_enable(but, UI_BUT_REDALERT);
}
if (id->lib == NULL && !(ELEM(GS(id->name), ID_GR, ID_SCE, ID_SCR, ID_TXT, ID_OB, ID_WS)) &&
if (id->lib == NULL && !(ELEM(GS(id->name), ID_GR, ID_SCE, ID_SCR, ID_OB, ID_WS)) &&
(hide_buttons == false)) {
uiDefIconButR(block,
UI_BTYPE_ICON_TOGGLE,