source/row.cpp

   1 #include "row.h"
   2
   3 namespace Msp {
   4 namespace GLtk {
   5
   6 Row::Row(Layout &l):
   7         Arrangement(l),
   8         first(true),
   9         split_here(false),
  10         gravity(-1)
  11 { }
  12
  13 void Row::split()
  14 {
  15         if(gravity>0)
  16                 throw arrangement_error("already split");
  17
  18         split_here = true;
  19         gravity = 1;
  20 }
  21
  22 void Row::process_widget(Widget &wdg, Side side, bool aligned)
  23 {
  24         if(side==LEFT)
  25         {
  26                 bool snug = (edges[RIGHT].aligned && aligned && !split_here);
  27                 add_constraint(wdg, (snug ? Layout::RIGHT_OF : Layout::FAR_RIGHT_OF), RIGHT);
  28                 if(first)
  29                         edges[LEFT].add(wdg, aligned);
  30         }
  31         else if(side==RIGHT)
  32                 next_right.add(wdg, (aligned && gravity>0));
  33         else
  34         {
  35                 if(edges[side].aligned && aligned)
  36                         add_constraint(wdg, (side==TOP ? Layout::ALIGN_TOP : Layout::ALIGN_BOTTOM), side);
  37                 edges[side].add(wdg, aligned);
  38         }
  39 }
  40
  41 void Row::finish_widget(Widget &wdg)
  42 {
  43         layout.set_gravity(wdg, gravity, 1);
  44 }
  45
  46 void Row::finish_slot()
  47 {
  48         edges[RIGHT] = next_right;
  49         next_right.clear();
  50         split_here = false;
  51         first = false;
  52 }
  53
  54
  55 Row::Loader::Loader(Row &c):
  56         DataFile::ObjectLoader<Row>(c)
  57 {
  58         add("split", &Loader::split);
  59 }
  60
  61 void Row::Loader::split()
  62 {
  63         obj.split();
  64 }
  65
  66 } // namespace GLtk
  67 } // namespace Msp