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constraint solver: Fix repeat suggestions

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We were not storing the previous value, causing
the first two suggestions to work, but not later
ones.

Fixes the test added in the previous commit.
This commit is contained in:
Matthias Clasen
2019-06-28 16:59:39 +00:00
parent d42c26b117
commit 463dffe48d
1 changed files with 4 additions and 2 deletions
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6
gtk/gtkconstraintsolver.c
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@@ -1972,6 +1972,7 @@ gtk_constraint_solver_suggest_value (GtkConstraintSolver *self,
double value)
{
EditInfo *ei = g_hash_table_lookup (self->edit_var_map, variable);
double delta;
if (ei == NULL)
{
g_critical ("Suggesting value '%g' but variable %p is not editable",
@@ -1987,9 +1988,10 @@ gtk_constraint_solver_suggest_value (GtkConstraintSolver *self,
return;
}
ei->prev_constant = value - ei->prev_constant;
delta = value - ei->prev_constant;
ei->prev_constant = value;
gtk_constraint_solver_delta_edit_constant (self, ei->prev_constant, ei->eplus, ei->eminus);
gtk_constraint_solver_delta_edit_constant (self, delta, ei->eplus, ei->eminus);
}
/*< private >