Author: Carlos Lopez <[email protected]>
Date: Mon Oct 17 21:05:00 2011 +0200
Add code to avoid set upper boundary the same as lower boundary
---
.../src/synfigapp/actions/valuedescset.cpp | 25 ++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/synfig-studio/src/synfigapp/actions/valuedescset.cpp
b/synfig-studio/src/synfigapp/actions/valuedescset.cpp
index 02b9f97..6a5aa8e 100644
--- a/synfig-studio/src/synfigapp/actions/valuedescset.cpp
+++ b/synfig-studio/src/synfigapp/actions/valuedescset.cpp
@@ -668,6 +668,31 @@ Action::ValueDescSet::prepare()
else
local_value=value_desc.get_value();
}
+ // if value desc has parent value node and parent is composite
widthpoint type and index is 4 or 5
+ // then we are changing the value of a widthpoint boundary.
+ // It is needed to check that we aren't doing the boundary range zero
+
+ if(value_desc.parent_is_value_node() &&
ValueNode_Composite::Handle::cast_dynamic(value_desc.get_parent_value_node()))
+ {
+ ValueNode_Composite::Handle parent_value_node;
+
parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
+ assert(parent_value_node);
+ int i=value_desc.get_index();
+ if(parent_value_node->get_type() == ValueBase::TYPE_WIDTHPOINT
&& (i==4 || i==5))
+ {
+ ValueNode::Handle
low(parent_value_node->get_link("lower_bound"));
+ ValueNode::Handle
upp(parent_value_node->get_link("upper_bound"));
+ Real new_value(value.get(Real()));
+ Real lower = (*low)(Time(0.0)).get(Real());
+ Real upper = (*upp)(Time(0.0)).get(Real());
+ if( (i==4 && new_value > (upper- 0.00000001))
+ || (i==5 && new_value < (lower+ 0.00000001)) )
+ {
+ throw Error(_("It is forbidden to set lower
boundary equal or bigger than upper boundary"));
+ return;
+ }
+ }
+ }
// If we are in animate editing mode
if(get_edit_mode()&MODE_ANIMATE && !local_value.get_static())
{
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