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disable undo for screen & wm RNA buttons, changing shading mode via the UI for eg was doing an undo push.

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This commit is contained in:
Campbell Barton 2011-08-18 16:26:34 +00:00
parent feb8318143
commit 00426038d0
1 changed files with 11 additions and 0 deletions
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11
source/blender/editors/interface/interface.c
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@ -2636,6 +2636,17 @@ static uiBut *ui_def_but_rna(uiBlock *block, int type, int retval, const char *s
UI_DEF_BUT_RNA_DISABLE(but);
}
/* avoid undo push for buttons who's ID are screen or wm level
* we could disable undo for buttons with no ID too but but may have
* unforseen conciquences, so best check for ID's we _know_ are not
* handled by undo - campbell */
if (but->flag & UI_BUT_UNDO) {
ID *id= ptr->id.data;
if(id && ELEM(GS(id->name), ID_SCR, ID_WM)) {
but->flag &= ~UI_BUT_UNDO;
}
}
/* If this button uses units, calculate the step from this */
if(ui_is_but_unit(but))
but->a1= ui_get_but_step_unit(but, but->a1);