cppconsui/HorizontalListBox.h

   1 // Copyright (C) 2007 Mark Pustjens <pustjens@dds.nl>
   2 // Copyright (C) 2010-2015 Petr Pavlu <setup@dagobah.cz>
   3 //
   4 // This file is part of CenterIM.
   5 //
   6 // CenterIM is free software; you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation; either version 2 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // CenterIM is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with CenterIM.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 /// @file
  20 /// HorizontalListBox class.
  21 ///
  22 /// @ingroup cppconsui
  23
  24 #ifndef HORIZONTALLISTBOX_H
  25 #define HORIZONTALLISTBOX_H
  26
  27 #include "AbstractListBox.h"
  28 #include "VerticalLine.h"
  29
  30 namespace CppConsUI {
  31
  32 /// Implementation of AbstractListBox class where widgets are placed
  33 /// horizontally.
  34 class HorizontalListBox : public AbstractListBox {
  35 public:
  36   HorizontalListBox(int w, int h);
  37   virtual ~HorizontalListBox() override {}
  38
  39   // AbstractListBox
  40   virtual VerticalLine *insertSeparator(std::size_t pos) override;
  41   virtual VerticalLine *appendSeparator() override;
  42   virtual void insertWidget(std::size_t pos, Widget &widget) override;
  43   virtual void appendWidget(Widget &widget) override;
  44
  45   virtual int getChildrenWidth() const { return children_width_; };
  46
  47   sigc::signal<void, HorizontalListBox &, int> signal_children_width_change;
  48
  49 protected:
  50   /// Total width of all visible children.
  51   int children_width_;
  52
  53   /// Number of visible children that has their height set to AUTOSIZE.
  54   int autosize_children_count_;
  55
  56   // Widget
  57   virtual void updateArea() override;
  58
  59   // Container
  60   virtual void onChildMoveResize(
  61     Widget &activator, const Rect &oldsize, const Rect &newsize) override;
  62   virtual void onChildWishSizeChange(
  63     Widget &activator, const Size &oldsize, const Size &newsize) override;
  64   virtual void onChildVisible(Widget &widget, bool visible) override;
  65   virtual void moveWidget(
  66     Widget &widget, Widget &position, bool after) override;
  67
  68   virtual void updateChildren(
  69     int children_width_change, int autosize_children_count_change);
  70
  71 private:
  72   CONSUI_DISABLE_COPY(HorizontalListBox);
  73 };
  74
  75 } // namespace CppConsUI
  76
  77 #endif // HORIZONTALLISTBOX_H
  78
  79 // vim: set tabstop=2 shiftwidth=2 textwidth=80 expandtab: