source/mixedrows.cpp

   1 /* $Id$
   2
   3 This file is part of libmspgltk
   4 Copyright © 2011  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include "mixedrows.h"
   9
  10 namespace Msp {
  11 namespace GLtk {
  12
  13 MixedRows::MixedRows(bool u):
  14         uniform_rows(u),
  15         uniform_cols(false),
  16         hgravity(-1),
  17         hsplit(false),
  18         vgravity(1),
  19         vsplit(false),
  20         first(true)
  21 { }
  22
  23 void MixedRows::start_row(bool u)
  24 {
  25         uniform_cols = u;
  26         first = true;
  27         hgravity = -1;
  28         hsplit = false;
  29 }
  30
  31 void MixedRows::split_rows()
  32 {
  33         vgravity = -1;
  34         vsplit = true;
  35 }
  36
  37 void MixedRows::split_columns()
  38 {
  39         hgravity = 1;
  40         hsplit = true;
  41 }
  42
  43 Layout::Slot *MixedRows::create_slot(Widget &wdg)
  44 {
  45         Slot *slot = new Slot(*this, wdg);
  46
  47         slot->horiz_pack.gravity = hgravity;
  48         slot->vert_pack.gravity = vgravity;
  49
  50         if(!first)
  51         {
  52                 Slot *prev = slots.back();
  53                 if(!hsplit)
  54                         slot->constraints.push_back(Constraint(RIGHT_OF, *prev));
  55                 slot->constraints.push_back(Constraint(ALIGN_TOP, *prev));
  56                 slot->constraints.push_back(Constraint(ALIGN_BOTTOM, *prev));
  57                 if(uniform_cols)
  58                         slot->constraints.push_back(Constraint(COPY_WIDTH, *prev));
  59         }
  60         else if(!slots.empty())
  61         {
  62                 Slot *prev = slots.back();
  63                 if(!vsplit)
  64                         slot->constraints.push_back(Constraint(BELOW, *prev));
  65                 if(uniform_rows)
  66                         slot->constraints.push_back(Constraint(COPY_HEIGHT, *prev));
  67         }
  68
  69         first = false;
  70         hsplit = false;
  71         vsplit = false;
  72
  73         return slot;
  74 }
  75
  76 } // namespace GLtk
  77 } // namespace Msp