Add a flag to make widgets in a LinearArrangement the same size

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

diff --git a/source/lineararrangement.cpp b/source/lineararrangement.cpp
index fb2e71c180dac87aa81c41ec3fce0d6c80b06a4b..5294252a11b5f38ffec445c24880e0d4009f69eb 100644 (file)
--- a/source/lineararrangement.cpp
+++ b/source/lineararrangement.cpp
@@ -11,9 +11,18 @@ LinearArrangement::LinearArrangement(Layout &l, Side p):
        split_here(false),
        gravity(opposite),
        internal_aligned(false),
+       uniform(false),
+       uniform_ref(0),
        next_spacing(-1)
 { }
 
+void LinearArrangement::set_uniform(bool u)
+{
+       uniform = u;
+       if(!uniform)
+               uniform_ref = 0;
+}
+
 void LinearArrangement::split()
 {
        if(gravity==primary)
@@ -60,6 +69,20 @@ void LinearArrangement::process_widget(Widget &wdg, Side side, bool aligned)
        }
 }
 
+void LinearArrangement::finish_widget(Widget &wdg)
+{
+       if(uniform)
+       {
+               if(!uniform_ref)
+                       uniform_ref = &wdg;
+               else
+               {
+                       Layout::ConstraintType ct = ((primary==LEFT || primary==RIGHT) ? Layout::COPY_WIDTH : Layout::COPY_HEIGHT);
+                       layout.add_constraint(wdg, ct, *uniform_ref);
+               }
+       }
+}
+
 void LinearArrangement::finish_slot()
 {
        internal_aligned = next.aligned;
@@ -79,6 +102,7 @@ LinearArrangement::Loader::Loader(LinearArrangement &c):
        add("expand", &Loader::expand);
        add("spacing", &Loader::spacing);
        add("split", &Loader::split);
+       add("uniform", &Loader::uniform);
 }
 
 void LinearArrangement::Loader::expand()
@@ -96,5 +120,10 @@ void LinearArrangement::Loader::split()
        obj.split();
 }
 
+void LinearArrangement::Loader::uniform(bool u)
+{
+       obj.set_uniform(u);
+}
+
 } // namespace GLtk
 } // namespace Msp