source/column.cpp

   1 #include "column.h"
   2
   3 namespace Msp {
   4 namespace GLtk {
   5
   6 Column::Column(Layout &l):
   7         Arrangement(l),
   8         first(true),
   9         split_here(false),
  10         gravity(1)
  11 { }
  12
  13 void Column::split()
  14 {
  15         split_here = true;
  16         gravity = -1;
  17 }
  18
  19 void Column::process_widget(Widget &wdg, Side side, bool aligned)
  20 {
  21         if(side==TOP)
  22         {
  23                 bool snug = (edges[BOTTOM].aligned && aligned && !split_here);
  24                 add_constraint(wdg, (snug ? Layout::BELOW : Layout::FAR_BELOW), BOTTOM);
  25                 if(first)
  26                         edges[TOP].add(wdg, aligned);
  27         }
  28         else if(side==BOTTOM)
  29                 next_bottom.add(wdg, (aligned && gravity<0));
  30         else
  31         {
  32                 if(edges[side].aligned && aligned)
  33                         add_constraint(wdg, (side==LEFT ? Layout::ALIGN_LEFT : Layout::ALIGN_RIGHT), side);
  34                 edges[side].add(wdg, aligned);
  35         }
  36 }
  37
  38 void Column::finish_widget(Widget &wdg)
  39 {
  40         layout.set_gravity(wdg, -1, gravity);
  41 }
  42
  43 void Column::finish_slot()
  44 {
  45         edges[BOTTOM] = next_bottom;
  46         next_bottom.clear();
  47         split_here = false;
  48         first = false;
  49 }
  50
  51
  52 Column::Loader::Loader(Column &c):
  53         DataFile::ObjectLoader<Column>(c)
  54 {
  55         add("split", &Loader::split);
  56 }
  57
  58 void Column::Loader::split()
  59 {
  60         obj.split();
  61 }
  62
  63 } // namespace GLtk
  64 } // namespace Msp