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/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 7 июл. 2017 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_SIMPLE_INDICATOR_H_
#define LSP_PLUG_IN_TK_WIDGETS_SIMPLE_INDICATOR_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
// Style definition
namespace style
{
typedef struct IndicatorColors
{
prop::Color sColor; // Color of the indicator
prop::Color sTextColor; // Color of the text
void listener(tk::prop::Listener *listener);
bool property_changed(Property *prop);
} IndicatorColors;
enum IndicatorColorState
{
INDICATOR_NORMAL = 0,
INDICATOR_INACTIVE = 1 << 0,
INDICATOR_TOTAL = 1 << 1
};
LSP_TK_STYLE_DEF_BEGIN(Indicator, Widget)
IndicatorColors vColors[INDICATOR_TOTAL];
prop::Integer sRows; // Number of rows
prop::Integer sColumns; // Number of columns
prop::Integer sShift; // Text shift
prop::Integer sTextGap; // Text gap for loop
prop::Boolean sLoop; // Loop flag
prop::Boolean sDarkText; // Enables drawing of the dark text/dark segments
prop::String sText; // Actual text to display
prop::IndicatorType sType; // Indicator type
prop::Boolean sActive; // Active/inactive state
prop::Font sFont; // Font properties
prop::Integer sSpacing; // Spacing between digits
prop::Padding sIPadding; // Internal padding
LSP_TK_STYLE_DEF_END
}
class Indicator: public Widget
{
public:
static const w_class_t metadata;
protected:
enum ind_flags_t
{
IND_0 = style::INDICATOR_NORMAL,
IND_1 = style::INDICATOR_INACTIVE,
IND_TOTAL = style::INDICATOR_TOTAL
};
protected:
style::IndicatorColors vColors[IND_TOTAL];
prop::Integer sRows; // Number of rows
prop::Integer sColumns; // Number of columns
prop::Integer sShift; // Text shift
prop::Integer sTextGap; // Text gap for loop
prop::Boolean sLoop; // Loop flag
prop::Boolean sDarkText; // Enables drawing of the dark text/dark segments
prop::String sText; // Actual text to display
prop::IndicatorType sType; // Indicator type
prop::Boolean sActive; // Active/inactive state
prop::Font sFont; // Font properties
prop::Integer sSpacing; // Spacing between digits
prop::Padding sIPadding; // Internal padding
ssize_t nDWidth; // Width of the digit
ssize_t nDHeight; // Height of the digit
protected:
void draw_digit(ws::ISurface *s, float x, float y, size_t state, const lsp::Color &on, const lsp::Color &off);
void draw_pixel(ws::ISurface *s, float x, float y, char ch, const lsp::Color &on, const lsp::Color &off);
void draw_simple(ws::ISurface *s, float x, float y, char ch, const lsp::Color &on, const ws::font_parameters_t *fp);
uint8_t get_char(const LSPString *str, size_t index);
void calc_digit_size(ssize_t *w, ssize_t *h);
style::IndicatorColors *select_colors();
protected:
virtual void size_request(ws::size_limit_t *r) override;
virtual void property_changed(Property *prop) override;
virtual void realize(const ws::rectangle_t *r) override;
public:
explicit Indicator(Display *dpy);
Indicator(const Indicator &) = delete;
Indicator(Indicator &&) = delete;
virtual ~Indicator() override;
Indicator & operator = (const Indicator &) = delete;
Indicator & operator = (Indicator &&) = delete;
virtual status_t init() override;
public:
LSP_TK_PROPERTY(Color, color, &vColors[IND_0].sColor)
LSP_TK_PROPERTY(Color, text_color, &vColors[IND_0].sTextColor)
LSP_TK_PROPERTY(Color, inactive_color, &vColors[IND_1].sColor)
LSP_TK_PROPERTY(Color, inactive_text_color, &vColors[IND_1].sTextColor)
LSP_TK_PROPERTY(Integer, rows, &sRows)
LSP_TK_PROPERTY(Integer, columns, &sColumns)
LSP_TK_PROPERTY(Integer, text_shift, &sShift)
LSP_TK_PROPERTY(Integer, text_gap, &sTextGap)
LSP_TK_PROPERTY(Boolean, text_loop, &sLoop)
LSP_TK_PROPERTY(Boolean, dark_text, &sDarkText)
LSP_TK_PROPERTY(String, text, &sText)
LSP_TK_PROPERTY(IndicatorType, type, &sType)
LSP_TK_PROPERTY(Boolean, active, &sActive)
LSP_TK_PROPERTY(Font, font, &sFont)
LSP_TK_PROPERTY(Integer, spacing, &sSpacing)
LSP_TK_PROPERTY(Padding, ipadding, &sIPadding)
public:
virtual void draw(ws::ISurface *s) override;
};
} /* namespace tk */
} /* namespace lsp */
#endif /* UI_TK_LSPINDICATOR_H_ */
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