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Diffstat (limited to 'plugingui/layout.h')
-rw-r--r-- | plugingui/layout.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/plugingui/layout.h b/plugingui/layout.h new file mode 100644 index 0000000..a81f004 --- /dev/null +++ b/plugingui/layout.h @@ -0,0 +1,125 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * layout.h + * + * Sat Mar 21 15:12:36 CET 2015 + * Copyright 2015 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#pragma once + +#include <list> +#include <cstdlib> + +namespace GUI { + +class Layout; + +class LayoutItem { +public: + LayoutItem(); + virtual ~LayoutItem(); + + void setLayoutParent(Layout *parent); + + virtual void resize(int width, int height) = 0; + virtual void move(size_t x, size_t y) = 0; + virtual size_t x() = 0; + virtual size_t y() = 0; + virtual size_t width() = 0; + virtual size_t height() = 0; + +private: + Layout *parent; +}; + +//! \brief Abtract Layout class. +class Layout +{ +public: + Layout(LayoutItem *parent); + virtual ~Layout() {} + + virtual void addItem(LayoutItem *item); + virtual void removeItem(LayoutItem *item); + + //! \brief Reimplement this method to create a new Layout rule. + virtual void layout() = 0; + +protected: + LayoutItem *parent; + typedef std::list<LayoutItem *> LayoutItemList; + LayoutItemList items; +}; + +//! \brief Abstract box layout +class BoxLayout : public Layout { +public: + BoxLayout(LayoutItem *parent); + + //! \brief Set to false to only move the items, not scale them. + void setResizeChildren(bool resize_children); + + virtual void layout() = 0; + +protected: + bool resize_children; +}; + +//! \brief A Layout that lays out its elements vertically. +class VBoxLayout : public BoxLayout { +public: + VBoxLayout(LayoutItem *parent); + + typedef enum { + HALIGN_LEFT, + HALIGN_CENTER, + HALIGN_RIGHT, + } alignment_t; + + void setHAlignment(alignment_t alignment); + + virtual void layout(); + +protected: + alignment_t align; +}; + +//! \brief A Layout that lays out its elements vertically. +class HBoxLayout : public BoxLayout { +public: + HBoxLayout(LayoutItem *parent); + + typedef enum { + VALIGN_TOP, + VALIGN_CENTER, + VALIGN_BOTTOM, + } alignment_t; + + void setVAlignment(alignment_t alignment); + + virtual void layout(); + +protected: + alignment_t align; +}; + +} // GUI:: |