Merge pull request #1498 from emersion/config

Add minimal config subsystem

2 files changed, 415 insertions, 0 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index df5c6859..b1f0423d 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -47,6 +47,16 @@ struct cmd_results *checkarg(int argc, const char *name,
  */
 struct cmd_results *handle_command(char *command);
 /**
+ * Parse and handles a command during config file loading.
+ *
+ * Do not use this under normal conditions.
+ */
+struct cmd_results *config_command(char *command, enum cmd_status block);
+/*
+ * Parses a command policy rule.
+ */
+struct cmd_results *config_commands_command(char *exec);
+/**
  * Allocates a cmd_results object.
  */
 struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, const char *error, ...);
diff --git a/include/sway/config.h b/include/sway/config.h
new file mode 100644
index 00000000..7de85ab7
--- /dev/null
+++ b/include/sway/config.h
@@ -0,0 +1,405 @@
+#ifndef _SWAY_CONFIG_H
+#define _SWAY_CONFIG_H
+
+#define PID_WORKSPACE_TIMEOUT 60
+
+#include <libinput.h>
+#include <stdint.h>
+#include <string.h>
+#include <wlr/types/wlr_box.h>
+#include <xkbcommon/xkbcommon.h>
+#include <time.h>
+#include "list.h"
+#include "layout.h"
+#include "container.h"
+
+/**
+ * Describes a variable created via the `set` command.
+ */
+struct sway_variable {
+	char *name;
+	char *value;
+};
+
+/**
+ * A key binding and an associated command.
+ */
+struct sway_binding {
+	int order;
+	bool release;
+	bool bindcode;
+	list_t *keys;
+	uint32_t modifiers;
+	char *command;
+};
+
+/**
+ * A mouse binding and an associated command.
+ */
+struct sway_mouse_binding {
+	uint32_t button;
+	char *command;
+};
+
+/**
+ * A "mode" of keybindings created via the `mode` command.
+ */
+struct sway_mode {
+	char *name;
+	list_t *bindings;
+};
+
+/**
+ * libinput options for input devices
+ */
+struct input_config {
+	char *identifier;
+
+	int accel_profile;
+	int click_method;
+	int drag_lock;
+	int dwt;
+	int left_handed;
+	int middle_emulation;
+	int natural_scroll;
+	float pointer_accel;
+	int scroll_method;
+	int send_events;
+	int tap;
+
+	bool capturable;
+	struct wlr_box region;
+};
+
+/**
+ * Size and position configuration for a particular output.
+ *
+ * This is set via the `output` command.
+ */
+struct output_config {
+	char *name;
+	int enabled;
+	int width, height;
+	int x, y;
+	int scale;
+	char *background;
+	char *background_option;
+};
+
+/**
+ * Maps a workspace name to an output name.
+ *
+ * Set via `workspace <x> output <y>`
+ */
+struct workspace_output {
+	char *output;
+	char *workspace;
+};
+
+struct pid_workspace {
+	pid_t *pid;
+	char *workspace;
+	time_t *time_added;
+};
+
+struct bar_config {
+	/**
+	 * One of "dock", "hide", "invisible"
+	 *
+	 * Always visible in dock mode. Visible only when modifier key is held in hide mode.
+	 * Never visible in invisible mode.
+	 */
+	char *mode;
+	/**
+	 * One of "show" or "hide".
+	 *
+	 * In "show" mode, it will always be shown on top of the active workspace.
+	 */
+	char *hidden_state;
+	/**
+	 * Id name used to identify the bar through IPC.
+	 *
+	 * Defaults to bar-x, where x corresponds to the position of the
+	 * embedding bar block in the config file (bar-0, bar-1, ...).
+	 */
+	char *id;
+	uint32_t modifier;
+	list_t *outputs;
+	//enum desktop_shell_panel_position position; // TODO
+	list_t *bindings;
+	char *status_command;
+	bool pango_markup;
+	char *swaybar_command;
+	char *font;
+	int height; // -1 not defined
+
+#ifdef ENABLE_TRAY
+	// Tray
+	char *tray_output;
+	char *icon_theme;
+	uint32_t tray_padding;
+	uint32_t activate_button;
+	uint32_t context_button;
+	uint32_t secondary_button;
+#endif
+
+	bool workspace_buttons;
+	bool wrap_scroll;
+	char *separator_symbol;
+	bool strip_workspace_numbers;
+	bool binding_mode_indicator;
+	bool verbose;
+	pid_t pid;
+	struct {
+		char *background;
+		char *statusline;
+		char *separator;
+		char *focused_background;
+		char *focused_statusline;
+		char *focused_separator;
+		char *focused_workspace_border;
+		char *focused_workspace_bg;
+		char *focused_workspace_text;
+		char *active_workspace_border;
+		char *active_workspace_bg;
+		char *active_workspace_text;
+		char *inactive_workspace_border;
+		char *inactive_workspace_bg;
+		char *inactive_workspace_text;
+		char *urgent_workspace_border;
+		char *urgent_workspace_bg;
+		char *urgent_workspace_text;
+		char *binding_mode_border;
+		char *binding_mode_bg;
+		char *binding_mode_text;
+	} colors;
+};
+
+struct border_colors {
+	uint32_t border;
+	uint32_t background;
+	uint32_t text;
+	uint32_t indicator;
+	uint32_t child_border;
+};
+
+enum edge_border_types {
+	E_NONE,         /**< Don't hide edge borders */
+	E_VERTICAL,     /**< hide vertical edge borders */
+	E_HORIZONTAL,   /**< hide horizontal edge borders */
+	E_BOTH,		/**< hide vertical and horizontal edge borders */
+	E_SMART		/**< hide both if precisely one window is present in workspace */
+};
+
+enum command_context {
+	CONTEXT_CONFIG = 1,
+	CONTEXT_BINDING = 2,
+	CONTEXT_IPC = 4,
+	CONTEXT_CRITERIA = 8,
+	CONTEXT_ALL = 0xFFFFFFFF,
+};
+
+struct command_policy {
+	char *command;
+	uint32_t context;
+};
+
+enum secure_feature {
+	FEATURE_LOCK = 1,
+	FEATURE_PANEL = 2,
+	FEATURE_BACKGROUND = 4,
+	FEATURE_SCREENSHOT = 8,
+	FEATURE_FULLSCREEN = 16,
+	FEATURE_KEYBOARD = 32,
+	FEATURE_MOUSE = 64,
+};
+
+struct feature_policy {
+	char *program;
+	uint32_t features;
+};
+
+enum ipc_feature {
+	IPC_FEATURE_COMMAND = 1,
+	IPC_FEATURE_GET_WORKSPACES = 2,
+	IPC_FEATURE_GET_OUTPUTS = 4,
+	IPC_FEATURE_GET_TREE = 8,
+	IPC_FEATURE_GET_MARKS = 16,
+	IPC_FEATURE_GET_BAR_CONFIG = 32,
+	IPC_FEATURE_GET_VERSION = 64,
+	IPC_FEATURE_GET_INPUTS = 128,
+	IPC_FEATURE_EVENT_WORKSPACE = 256,
+	IPC_FEATURE_EVENT_OUTPUT = 512,
+	IPC_FEATURE_EVENT_MODE = 1024,
+	IPC_FEATURE_EVENT_WINDOW = 2048,
+	IPC_FEATURE_EVENT_BINDING = 4096,
+	IPC_FEATURE_EVENT_INPUT = 8192,
+	IPC_FEATURE_GET_CLIPBOARD = 16384,
+
+	IPC_FEATURE_ALL_COMMANDS = 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 16384,
+	IPC_FEATURE_ALL_EVENTS = 256 | 512 | 1024 | 2048 | 4096 | 8192,
+
+	IPC_FEATURE_ALL = IPC_FEATURE_ALL_COMMANDS | IPC_FEATURE_ALL_EVENTS,
+};
+
+struct ipc_policy {
+	char *program;
+	uint32_t features;
+};
+
+/**
+ * The configuration struct. The result of loading a config file.
+ */
+struct sway_config {
+	list_t *symbols;
+	list_t *modes;
+	list_t *bars;
+	list_t *cmd_queue;
+	list_t *workspace_outputs;
+	list_t *pid_workspaces;
+	list_t *output_configs;
+	list_t *input_configs;
+	list_t *criteria;
+	list_t *no_focus;
+	list_t *active_bar_modifiers;
+	struct sway_mode *current_mode;
+	struct bar_config *current_bar;
+	uint32_t floating_mod;
+	uint32_t dragging_key;
+	uint32_t resizing_key;
+	char *floating_scroll_up_cmd;
+	char *floating_scroll_down_cmd;
+	char *floating_scroll_left_cmd;
+	char *floating_scroll_right_cmd;
+	enum swayc_layouts default_orientation;
+	enum swayc_layouts default_layout;
+	char *font;
+	int font_height;
+
+	// Flags
+	bool focus_follows_mouse;
+	bool mouse_warping;
+	bool force_focus_wrapping;
+	bool active;
+	bool failed;
+	bool reloading;
+	bool reading;
+	bool auto_back_and_forth;
+	bool seamless_mouse;
+	bool show_marks;
+
+	bool edge_gaps;
+	bool smart_gaps;
+	int gaps_inner;
+	int gaps_outer;
+
+	list_t *config_chain;
+	const char *current_config;
+
+	enum swayc_border_types border;
+	enum swayc_border_types floating_border;
+	int border_thickness;
+	int floating_border_thickness;
+	enum edge_border_types hide_edge_borders;
+
+	// border colors
+	struct {
+		struct border_colors focused;
+		struct border_colors focused_inactive;
+		struct border_colors unfocused;
+		struct border_colors urgent;
+		struct border_colors placeholder;
+		uint32_t background;
+	} border_colors;
+
+	// floating view
+	int32_t floating_maximum_width;
+	int32_t floating_maximum_height;
+	int32_t floating_minimum_width;
+	int32_t floating_minimum_height;
+
+	// Security
+	list_t *command_policies;
+	list_t *feature_policies;
+	list_t *ipc_policies;
+};
+
+void pid_workspace_add(struct pid_workspace *pw);
+void free_pid_workspace(struct pid_workspace *pw);
+
+/**
+ * Loads the main config from the given path. is_active should be true when
+ * reloading the config.
+ */
+bool load_main_config(const char *path, bool is_active);
+
+/**
+ * Loads an included config. Can only be used after load_main_config.
+ */
+bool load_include_configs(const char *path, struct sway_config *config);
+
+/**
+ * Reads the config from the given FILE.
+ */
+bool read_config(FILE *file, struct sway_config *config);
+
+/**
+ * Free config struct
+ */
+void free_config(struct sway_config *config);
+/**
+ * Does variable replacement for a string based on the config's currently loaded variables.
+ */
+char *do_var_replacement(char *str);
+
+struct cmd_results *check_security_config();
+
+int input_identifier_cmp(const void *item, const void *data);
+void merge_input_config(struct input_config *dst, struct input_config *src);
+void apply_input_config(struct input_config *ic, struct libinput_device *dev);
+void free_input_config(struct input_config *ic);
+
+int output_name_cmp(const void *item, const void *data);
+void merge_output_config(struct output_config *dst, struct output_config *src);
+/** Sets up a WLC output handle based on a given output_config.
+ */
+void apply_output_config(struct output_config *oc, swayc_t *output);
+void free_output_config(struct output_config *oc);
+
+/**
+ * Updates the list of active bar modifiers
+ */
+void update_active_bar_modifiers(void);
+
+int workspace_output_cmp_workspace(const void *a, const void *b);
+
+int sway_binding_cmp(const void *a, const void *b);
+int sway_binding_cmp_qsort(const void *a, const void *b);
+int sway_binding_cmp_keys(const void *a, const void *b);
+void free_sway_binding(struct sway_binding *sb);
+struct sway_binding *sway_binding_dup(struct sway_binding *sb);
+
+int sway_mouse_binding_cmp(const void *a, const void *b);
+int sway_mouse_binding_cmp_qsort(const void *a, const void *b);
+int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
+void free_sway_mouse_binding(struct sway_mouse_binding *smb);
+
+void load_swaybars();
+void terminate_swaybg(pid_t pid);
+
+/**
+ * Allocate and initialize default bar configuration.
+ */
+struct bar_config *default_bar_config(void);
+
+/**
+ * Global config singleton.
+ */
+extern struct sway_config *config;
+
+/**
+ * Config file currently being read.
+ */
+extern const char *current_config_path;
+
+#endif