peachwm/parser/parser.h

#pragma once

#include <stdint.h>
#include <wayland-server-core.h>

/* Maximum lengths. Good for the soul, they say */
#define CFG_MAX_RULES      64
#define CFG_MAX_MONITORS   16
#define CFG_MAX_KEYBINDS   128
#define CFG_MAX_ARGS       8
#define CFG_MAX_STRLEN     64
#define CFG_MAX_AUTOSTART  32
#define CFG_MAX_AUTOSTART_CMD 512

/* Appearance */

typedef struct {
	unsigned int border_px;
	unsigned int gaps;      
	bool         smart_gaps;
	float        border_color[4];
	float        focus_color[4];
	float        urgent_color[4];
	float        root_color[4];
	float        fullscreen_bg[4];
} CfgAppearance;

/* Input */

typedef struct {
	int    repeat_rate;
	int    repeat_delay;
	bool   tap_to_click;
	bool   tap_and_drag;
	bool   drag_lock;
	bool   natural_scrolling;
	bool   disable_while_typing;
	bool   left_handed;
	bool   middle_button_emulation;
	int    scroll_method;   /* libinput enum value */
	int    click_method;    /* libinput enum value */
	int    send_events_mode;
	int    accel_profile;   /* libinput enum value */
	double accel_speed;
	int    tap_button_map;  /* libinput enum value */
} CfgInput;

/* Window Rules  */

typedef struct {
	char     app_id[CFG_MAX_STRLEN];
	char     title[CFG_MAX_STRLEN];  /* empty string = wildcard */
	uint32_t tags;
	bool     floating;
	int      monitor;                /* -1 = current */
} CfgRule;

/* Monitor Rules */

typedef struct {
	char  name[CFG_MAX_STRLEN];   /* empty = catch-all */
	float mfact;
	int   nmaster;
	float scale;
	char  layout[CFG_MAX_STRLEN]; /* "dwindle", "floating", etc. */
	int   transform;              /* WL_OUTPUT_TRANSFORM_* */
	int   x, y;                   /* -1,-1 = autoconfigure */
} CfgMonitorRule;

/* keybinds */

typedef struct {
	uint32_t mods;                         /* WLR_MODIFIER_* bitmask */
	uint32_t key;                          /* XKB keysym */
	char     action[CFG_MAX_STRLEN];       /* "spawn", "killclient", etc. */
	char     args[CFG_MAX_ARGS][CFG_MAX_STRLEN];
	int      nargs;
} CfgKeybind;

/* mouse buttons */

typedef struct {
	uint32_t mods;
	uint32_t button;                 
	char     action[CFG_MAX_STRLEN];
	char     args[CFG_MAX_ARGS][CFG_MAX_STRLEN];
	int      nargs;
} CfgButton;

/* Scroll axis bindings (trackpad vs mouse wheel) */

typedef struct {
	uint32_t mods;
	int      source;         /* -1 = any, or WL_POINTER_AXIS_SOURCE_* */
	int      orientation;    /* -1 = any, or WL_POINTER_AXIS_* */
	char     action[CFG_MAX_STRLEN];
	char     args[CFG_MAX_ARGS][CFG_MAX_STRLEN];
	int      nargs;
} CfgScroll;

/* Autostart */

typedef struct {
	char cmd[CFG_MAX_AUTOSTART_CMD];
} CfgAutostart;

/* Effects */

typedef struct {
	bool     shadows;
	int      shadow_radius;
	int      shadow_offset_x;
	int      shadow_offset_y;
	uint32_t shadow_color;
	float    shadow_opacity;
	int      shadow_expand;
	bool     fullscreen_shadows;
	bool     nogaps_shadows;
	bool     maximized_shadows;
	bool     only_floating;
	bool     shadow_clip;
} CfgEffectsWindowShadows;

/* Window transparency */

typedef struct {
	bool     enabled;
	int      radius;
	int      passes;
	float    noise;
	bool     nogaps_blur;
	bool     only_floating;
	bool     fullscreen_blur;
	bool     blur_always;
} CfgEffectsWindowBlur;

typedef struct {
	bool     enabled;
	float    opacity_fullscreen;
	float    opacity_focused;
	float    opacity_unfocused;
	bool     nogaps_transparent;
	bool     only_floating;
	bool     fullscreen_transparent;
	CfgEffectsWindowBlur blur;
} CfgEffectsWindowTransparency;

typedef struct {
	int                              corner_radius;  /* 0 = off, >0 = radius in pixels */
	CfgEffectsWindowShadows          shadows;
	CfgEffectsWindowTransparency     transparency;
} CfgEffectsWindows;

typedef struct {
	CfgEffectsWindows windows;
} CfgEffects;

/* the whole shebang */

typedef struct {
	CfgAppearance appearance;

	CfgInput      input;

	CfgRule       rules[CFG_MAX_RULES];
	int           nrules;

	CfgMonitorRule monitors[CFG_MAX_MONITORS];
	int            nmonitors;

	CfgKeybind   *keybinds;
	int           nkeybinds;
	int           keybinds_cap;

	CfgButton    *buttons;
	int           nbuttons;
	int           buttons_cap;

	CfgScroll    *scrolls;
	int           nscrolls;
	int           scrolls_cap;

	bool          sloppyfocus;
	bool          bypass_surface_visibility;
	int           log_level; /* WLR_* log level */

	CfgAutostart  autostart[CFG_MAX_AUTOSTART];
	int           nautostart;

	/* Per-workspace (tag) default layouts, indexed by tag index 0-8 */
	char workspace_layouts[9][CFG_MAX_STRLEN];

	CfgEffects    effects;
} Config;

/* Public API */

int config_load(const char *path, Config *cfg);

char *config_get_path(char *buf, size_t bufsz);

void config_autostart_run(const Config *cfg);

void parse_color_hex(uint32_t hex, float out[4]);

typedef void (*config_reload_cb)(const Config *cfg, void *userdata);

typedef struct WatchState WatchState;

WatchState *config_watch_start(
	struct wl_event_loop *loop,
	const char           *path,
	config_reload_cb      cb,
	void                 *userdata
);

void config_watch_stop(WatchState *ws);