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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugin-fw
* Created on: 8 мая 2021 г.
*
* lsp-plugin-fw 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-plugin-fw 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-plugin-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_PLUG_FW_CTL_SIMPLE_KNOB_H_
#define LSP_PLUG_IN_PLUG_FW_CTL_SIMPLE_KNOB_H_
#ifndef LSP_PLUG_IN_PLUG_FW_CTL_IMPL_
#error "Use #include <lsp-plug.in/plug-fw/ctl.h>"
#endif /* LSP_PLUG_IN_PLUG_FW_CTL_IMPL_ */
#include <lsp-plug.in/plug-fw/version.h>
#include <lsp-plug.in/tk/tk.h>
namespace lsp
{
namespace ctl
{
/**
* Knob control
*/
class Knob: public Widget
{
public:
static const ctl_class_t metadata;
protected:
enum knob_flags_t
{
KF_MIN = 1 << 0,
KF_MAX = 1 << 1,
KF_DFL = 1 << 2,
KF_STEP = 1 << 3,
KF_ASTEP = 1 << 4,
KF_DSTEP = 1 << 5,
KF_BAL_SET = 1 << 6,
KF_LOG = 1 << 7,
KF_LOG_SET = 1 << 8,
KF_CYCLIC = 1 << 9,
KF_CYCLIC_SET = 1 << 10,
KF_VALUE = 1 << 11
};
protected:
ctl::Color sColor;
ctl::Color sScaleColor;
ctl::Color sBalanceColor;
ctl::Color sHoleColor;
ctl::Color sTipColor;
ctl::Color sBalanceTipColor;
ctl::Expression sMin;
ctl::Expression sMax;
ui::IPort *pPort;
ui::IPort *pScaleEnablePort;
size_t nFlags;
float fDefault;
float fStep;
float fAStep;
float fDStep;
float fBalance;
float fDefaultValue;
protected:
static status_t slot_change(tk::Widget *sender, void *ptr, void *data);
static status_t slot_dbl_click(tk::Widget *sender, void *ptr, void *data);
protected:
void submit_value();
void set_default_value();
void commit_value(size_t flags);
void sync_scale_state();
public:
explicit Knob(ui::IWrapper *wrapper, tk::Knob *widget);
virtual ~Knob();
virtual status_t init();
public:
virtual void set(ui::UIContext *ctx, const char *name, const char *value);
virtual void notify(ui::IPort *port);
virtual void end(ui::UIContext *ctx);
};
} /* namespace ctl */
} /* namespace tk */
#endif /* LSP_PLUG_IN_PLUG_FW_CTL_SIMPLE_KNOB_H_ */
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