Allow overriding the spacing between two widgets in LinearArrangement

[libs/gltk.git] / source / lineararrangement.cpp

diff --git a/source/lineararrangement.cpp b/source/lineararrangement.cpp
index 6148be3b38ce4313bb4cb19073dbf958b3a413a6..fb2e71c180dac87aa81c41ec3fce0d6c80b06a4b 100644 (file)
--- a/source/lineararrangement.cpp
+++ b/source/lineararrangement.cpp
@@ -10,7 +10,8 @@ LinearArrangement::LinearArrangement(Layout &l, Side p):
        first(true),
        split_here(false),
        gravity(opposite),
-       internal_aligned(false)
+       internal_aligned(false),
+       next_spacing(-1)
 { }
 
 void LinearArrangement::split()
@@ -35,12 +36,17 @@ void LinearArrangement::expand()
        gravity = primary;
 }
 
+void LinearArrangement::spacing(unsigned s)
+{
+       next_spacing = s;
+}
+
 void LinearArrangement::process_widget(Widget &wdg, Side side, bool aligned)
 {
        if(side==opposite)
        {
                bool snug = (internal_aligned && aligned && !split_here);
-               add_constraint(wdg, get_order_constraint(primary, !snug), primary);
+               add_constraint(wdg, get_order_constraint(primary, !snug), primary, next_spacing);
                if(first)
                        edges[side].add(wdg, (aligned && gravity==opposite));
        }
@@ -63,6 +69,7 @@ void LinearArrangement::finish_slot()
        next.clear();
        split_here = false;
        first = false;
+       next_spacing = -1;
 }
 
 
@@ -70,6 +77,7 @@ LinearArrangement::Loader::Loader(LinearArrangement &c):
        DataFile::ObjectLoader<LinearArrangement>(c)
 {
        add("expand", &Loader::expand);
+       add("spacing", &Loader::spacing);
        add("split", &Loader::split);
 }
 
@@ -78,6 +86,11 @@ void LinearArrangement::Loader::expand()
        obj.expand();
 }
 
+void LinearArrangement::Loader::spacing(unsigned s)
+{
+       obj.spacing(s);
+}
+
 void LinearArrangement::Loader::split()
 {
        obj.split();