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/*
* Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2023 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 20 авг. 2020 г.
*
* lsp-tk-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-tk-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHITEM_H_
#define LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHITEM_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
class Graph;
// Style definition
namespace style
{
LSP_TK_STYLE_DEF_BEGIN(GraphItem, Widget)
prop::Boolean sSmooth;
prop::Integer sPriorityGroup; // Priority group
prop::Integer sPriority; // Priority inside of a group
LSP_TK_STYLE_DEF_END
}
class GraphItem: public Widget
{
public:
static const w_class_t metadata;
protected:
prop::Boolean sSmooth;
prop::Integer sPriorityGroup; // Priority group
prop::Integer sPriority; // Priority inside of a group
protected:
virtual void property_changed(Property *prop) override;
public:
explicit GraphItem(Display *dpy);
GraphItem(const GraphItem &) = delete;
GraphItem(GraphItem &&) = delete;
virtual ~GraphItem() override;
GraphItem & operator = (const GraphItem &) = delete;
GraphItem & operator = (GraphItem &&) = delete;
public:
virtual status_t init() override;
virtual void destroy() override;
public:
LSP_TK_PROPERTY(Boolean, smooth, &sSmooth);
LSP_TK_PROPERTY(Integer, priority_group, &sPriorityGroup);
LSP_TK_PROPERTY(Integer, priority, &sPriority);
public:
/**
* Get the pointer to parent graph
* @return pointer to parent graph or NULL
*/
Graph *graph();
virtual void query_draw(size_t flags = REDRAW_SURFACE) override;
/**
* Check whether mouse pointer is inside of the graph item
* @param x horizontal position of mouse pointer
* @param y vertical position of mouse pointer
* @return true if item is inside of the graph
*/
virtual bool inside(ssize_t x, ssize_t y) override;
public:
/**
* Estimate the bounding box for prioritized drawing
* @param s surface for drawing
* @param r rectangle to store the bound box
* @return false if widget does not provide bound box
*/
virtual bool bound_box(ws::ISurface *s, ws::rectangle_t *r);
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_GRAPH_GRAPHITEM_H_ */
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