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#pragma once
#include "../params.h"
#include "../../color.h"
// This extension lets the host tell the plugin to display a little color based indication on the
// parameter. This can be used to indicate:
// - a physical controller is mapped to a parameter
// - the parameter is current playing an automation
// - the parameter is overriding the automation
// - etc...
//
// The color semantic depends upon the host here and the goal is to have a consistent experience
// across all plugins.
static CLAP_CONSTEXPR const char CLAP_EXT_PARAM_INDICATION[] = "clap.param-indication.draft/4";
#ifdef __cplusplus
extern "C" {
#endif
enum {
// The host doesn't have an automation for this parameter
CLAP_PARAM_INDICATION_AUTOMATION_NONE = 0,
// The host has an automation for this parameter, but it isn't playing it
CLAP_PARAM_INDICATION_AUTOMATION_PRESENT = 1,
// The host is playing an automation for this parameter
CLAP_PARAM_INDICATION_AUTOMATION_PLAYING = 2,
// The host is recording an automation on this parameter
CLAP_PARAM_INDICATION_AUTOMATION_RECORDING = 3,
// The host should play an automation for this parameter, but the user has started to ajust this
// parameter and is overriding the automation playback
CLAP_PARAM_INDICATION_AUTOMATION_OVERRIDING = 4,
};
typedef struct clap_plugin_param_indication {
// Sets or clears a mapping indication.
//
// has_mapping: does the parameter currently has a mapping?
// color: if set, the color to use to highlight the control in the plugin GUI
// label: if set, a small string to display on top of the knob which identifies the hardware
// controller description: if set, a string which can be used in a tooltip, which describes the
// current mapping
//
// Parameter indications should not be saved in the plugin context, and are off by default.
// [main-thread]
void(CLAP_ABI *set_mapping)(const clap_plugin_t *plugin,
clap_id param_id,
bool has_mapping,
const clap_color_t *color,
const char *label,
const char *description);
// Sets or clears an automation indication.
//
// automation_state: current automation state for the given parameter
// color: if set, the color to use to display the automation indication in the plugin GUI
//
// Parameter indications should not be saved in the plugin context, and are off by default.
// [main-thread]
void(CLAP_ABI *set_automation)(const clap_plugin_t *plugin,
clap_id param_id,
uint32_t automation_state,
const clap_color_t *color);
} clap_plugin_param_indication_t;
#ifdef __cplusplus
}
#endif
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