550 lines
16 KiB
C
550 lines
16 KiB
C
/*
|
||
* vim:ts=4:sw=4:expandtab
|
||
*
|
||
* i3 - an improved dynamic tiling window manager
|
||
* © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
|
||
*
|
||
* include/data.h: This file defines all data structures used by i3
|
||
*
|
||
*/
|
||
#ifndef _DATA_H
|
||
#define _DATA_H
|
||
|
||
#define SN_API_NOT_YET_FROZEN 1
|
||
#include <libsn/sn-launcher.h>
|
||
|
||
#include <xcb/randr.h>
|
||
#include <xcb/xcb_atom.h>
|
||
#include <stdbool.h>
|
||
#include <pcre.h>
|
||
#include <sys/time.h>
|
||
|
||
#include "queue.h"
|
||
|
||
/*
|
||
* To get the big concept: There are helper structures like struct
|
||
* Workspace_Assignment. Every struct which is also defined as type (see
|
||
* forward definitions) is considered to be a major structure, thus important.
|
||
*
|
||
* The following things are all stored in a 'Con', from very high level (the
|
||
* biggest Cons) to very small (a single window):
|
||
*
|
||
* 1) X11 root window (as big as all your outputs combined)
|
||
* 2) output (like LVDS1)
|
||
* 3) content container, dockarea containers
|
||
* 4) workspaces
|
||
* 5) split containers
|
||
* ... (you can arbitrarily nest split containers)
|
||
* 6) X11 window containers
|
||
*
|
||
*/
|
||
|
||
/* Forward definitions */
|
||
typedef struct Binding Binding;
|
||
typedef struct Rect Rect;
|
||
typedef struct xoutput Output;
|
||
typedef struct Con Con;
|
||
typedef struct Match Match;
|
||
typedef struct Assignment Assignment;
|
||
typedef struct Window i3Window;
|
||
|
||
|
||
/******************************************************************************
|
||
* Helper types
|
||
*****************************************************************************/
|
||
typedef enum { D_LEFT, D_RIGHT, D_UP, D_DOWN } direction_t;
|
||
typedef enum { NO_ORIENTATION = 0, HORIZ, VERT } orientation_t;
|
||
typedef enum { BS_NORMAL = 0, BS_NONE = 1, BS_1PIXEL = 2 } border_style_t;
|
||
|
||
/** parameter to specify whether tree_close() and x_window_kill() should kill
|
||
* only this specific window or the whole X11 client */
|
||
typedef enum { DONT_KILL_WINDOW = 0, KILL_WINDOW = 1, KILL_CLIENT = 2 } kill_window_t;
|
||
|
||
enum {
|
||
BIND_NONE = 0,
|
||
BIND_SHIFT = XCB_MOD_MASK_SHIFT, /* (1 << 0) */
|
||
BIND_CONTROL = XCB_MOD_MASK_CONTROL, /* (1 << 2) */
|
||
BIND_MOD1 = XCB_MOD_MASK_1, /* (1 << 3) */
|
||
BIND_MOD2 = XCB_MOD_MASK_2, /* (1 << 4) */
|
||
BIND_MOD3 = XCB_MOD_MASK_3, /* (1 << 5) */
|
||
BIND_MOD4 = XCB_MOD_MASK_4, /* (1 << 6) */
|
||
BIND_MOD5 = XCB_MOD_MASK_5, /* (1 << 7) */
|
||
BIND_MODE_SWITCH = (1 << 8)
|
||
};
|
||
|
||
/**
|
||
* Stores a rectangle, for example the size of a window, the child window etc.
|
||
* It needs to be packed so that the compiler will not add any padding bytes.
|
||
* (it is used in src/ewmh.c for example)
|
||
*
|
||
* Note that x and y can contain signed values in some cases (for example when
|
||
* used for the coordinates of a window, which can be set outside of the
|
||
* visible area, but not when specifying the position of a workspace for the
|
||
* _NET_WM_WORKAREA hint). Not declaring x/y as int32_t saves us a lot of
|
||
* typecasts.
|
||
*
|
||
*/
|
||
struct Rect {
|
||
uint32_t x;
|
||
uint32_t y;
|
||
uint32_t width;
|
||
uint32_t height;
|
||
} __attribute__((packed));
|
||
|
||
/**
|
||
* Stores the reserved pixels on each screen edge read from a
|
||
* _NET_WM_STRUT_PARTIAL.
|
||
*
|
||
*/
|
||
struct reservedpx {
|
||
uint32_t left;
|
||
uint32_t right;
|
||
uint32_t top;
|
||
uint32_t bottom;
|
||
};
|
||
|
||
/**
|
||
* Stores a width/height pair, used as part of deco_render_params to check
|
||
* whether the rects width/height have changed.
|
||
*
|
||
*/
|
||
struct width_height {
|
||
uint32_t w;
|
||
uint32_t h;
|
||
};
|
||
|
||
/**
|
||
* Stores the parameters for rendering a window decoration. This structure is
|
||
* cached in every Con and no re-rendering will be done if the parameters have
|
||
* not changed (only the pixmaps will be copied).
|
||
*
|
||
*/
|
||
struct deco_render_params {
|
||
struct Colortriple *color;
|
||
int border_style;
|
||
struct width_height con_rect;
|
||
struct width_height con_window_rect;
|
||
Rect con_deco_rect;
|
||
uint32_t background;
|
||
bool con_is_leaf;
|
||
};
|
||
|
||
/**
|
||
* Stores which workspace (by name) goes to which output.
|
||
*
|
||
*/
|
||
struct Workspace_Assignment {
|
||
char *name;
|
||
char *output;
|
||
|
||
TAILQ_ENTRY(Workspace_Assignment) ws_assignments;
|
||
};
|
||
|
||
struct Ignore_Event {
|
||
int sequence;
|
||
int response_type;
|
||
time_t added;
|
||
|
||
SLIST_ENTRY(Ignore_Event) ignore_events;
|
||
};
|
||
|
||
/**
|
||
* Stores internal information about a startup sequence, like the workspace it
|
||
* was initiated on.
|
||
*
|
||
*/
|
||
struct Startup_Sequence {
|
||
/** startup ID for this sequence, generated by libstartup-notification */
|
||
char *id;
|
||
/** workspace on which this startup was initiated */
|
||
char *workspace;
|
||
/** libstartup-notification context for this launch */
|
||
SnLauncherContext *context;
|
||
|
||
TAILQ_ENTRY(Startup_Sequence) sequences;
|
||
};
|
||
|
||
/**
|
||
* Regular expression wrapper. It contains the pattern itself as a string (like
|
||
* ^foo[0-9]$) as well as a pointer to the compiled PCRE expression and the
|
||
* pcre_extra data returned by pcre_study().
|
||
*
|
||
* This makes it easier to have a useful logfile, including the matching or
|
||
* non-matching pattern.
|
||
*
|
||
*/
|
||
struct regex {
|
||
char *pattern;
|
||
pcre *regex;
|
||
pcre_extra *extra;
|
||
};
|
||
|
||
/******************************************************************************
|
||
* Major types
|
||
*****************************************************************************/
|
||
|
||
/**
|
||
* Holds a keybinding, consisting of a keycode combined with modifiers and the
|
||
* command which is executed as soon as the key is pressed (see src/cfgparse.y)
|
||
*
|
||
*/
|
||
struct Binding {
|
||
/** Symbol the user specified in configfile, if any. This needs to be
|
||
* stored with the binding to be able to re-convert it into a keycode
|
||
* if the keyboard mapping changes (using Xmodmap for example) */
|
||
char *symbol;
|
||
|
||
/** Only in use if symbol != NULL. Gets set to the value to which the
|
||
* symbol got translated when binding. Useful for unbinding and
|
||
* checking which binding was used when a key press event comes in.
|
||
*
|
||
* This is an array of number_keycodes size. */
|
||
xcb_keycode_t *translated_to;
|
||
|
||
uint32_t number_keycodes;
|
||
|
||
/** Keycode to bind */
|
||
uint32_t keycode;
|
||
|
||
/** Bitmask consisting of BIND_MOD_1, BIND_MODE_SWITCH, … */
|
||
uint32_t mods;
|
||
|
||
/** Command, like in command mode */
|
||
char *command;
|
||
|
||
TAILQ_ENTRY(Binding) bindings;
|
||
};
|
||
|
||
/**
|
||
* Holds a command specified by either an:
|
||
* - exec-line
|
||
* - exec_always-line
|
||
* in the config (see src/config.c)
|
||
*
|
||
*/
|
||
struct Autostart {
|
||
/** Command, like in command mode */
|
||
char *command;
|
||
/** no_startup_id flag for start_application(). Determines whether a
|
||
* startup notification context/ID should be created. */
|
||
bool no_startup_id;
|
||
TAILQ_ENTRY(Autostart) autostarts;
|
||
TAILQ_ENTRY(Autostart) autostarts_always;
|
||
};
|
||
|
||
/**
|
||
* An Output is a physical output on your graphics driver. Outputs which
|
||
* are currently in use have (output->active == true). Each output has a
|
||
* position and a mode. An output usually corresponds to one connected
|
||
* screen (except if you are running multiple screens in clone mode).
|
||
*
|
||
*/
|
||
struct xoutput {
|
||
/** Output id, so that we can requery the output directly later */
|
||
xcb_randr_output_t id;
|
||
/** Name of the output */
|
||
char *name;
|
||
|
||
/** Pointer to the Con which represents this output */
|
||
Con *con;
|
||
|
||
/** Whether the output is currently active (has a CRTC attached with a
|
||
* valid mode) */
|
||
bool active;
|
||
|
||
/** Internal flags, necessary for querying RandR screens (happens in
|
||
* two stages) */
|
||
bool changed;
|
||
bool to_be_disabled;
|
||
bool primary;
|
||
|
||
/** x, y, width, height */
|
||
Rect rect;
|
||
|
||
TAILQ_ENTRY(xoutput) outputs;
|
||
};
|
||
|
||
/**
|
||
* A 'Window' is a type which contains an xcb_window_t and all the related
|
||
* information (hints like _NET_WM_NAME for that window).
|
||
*
|
||
*/
|
||
struct Window {
|
||
xcb_window_t id;
|
||
|
||
/** Holds the xcb_window_t (just an ID) for the leader window (logical
|
||
* parent for toolwindows and similar floating windows) */
|
||
xcb_window_t leader;
|
||
xcb_window_t transient_for;
|
||
|
||
char *class_class;
|
||
char *class_instance;
|
||
|
||
/** The name of the window as it will be passed to X11 (in UCS2 if the
|
||
* application supports _NET_WM_NAME, in COMPOUND_TEXT otherwise). */
|
||
char *name_x;
|
||
|
||
/** The WM_WINDOW_ROLE of this window (for example, the pidgin buddy window
|
||
* sets "buddy list"). Useful to match specific windows in assignments or
|
||
* for_window. */
|
||
char *role;
|
||
|
||
/** Flag to force re-rendering the decoration upon changes */
|
||
bool name_x_changed;
|
||
|
||
/** The name of the window as used in JSON (in UTF-8 if the application
|
||
* supports _NET_WM_NAME, in COMPOUND_TEXT otherwise) */
|
||
char *name_json;
|
||
|
||
/** The length of the name in glyphs (not bytes) */
|
||
size_t name_len;
|
||
|
||
/** Whether the application used _NET_WM_NAME */
|
||
bool uses_net_wm_name;
|
||
|
||
/** Whether the application needs to receive WM_TAKE_FOCUS */
|
||
bool needs_take_focus;
|
||
|
||
/** When this window was marked urgent. 0 means not urgent */
|
||
struct timeval urgent;
|
||
|
||
/** Whether this window accepts focus. We store this inverted so that the
|
||
* default will be 'accepts focus'. */
|
||
bool doesnt_accept_focus;
|
||
|
||
/** Whether the window says it is a dock window */
|
||
enum { W_NODOCK = 0, W_DOCK_TOP = 1, W_DOCK_BOTTOM = 2 } dock;
|
||
|
||
/** Pixels the window reserves. left/right/top/bottom */
|
||
struct reservedpx reserved;
|
||
|
||
/** Pointers to the Assignments which were already ran for this Window
|
||
* (assignments run only once) */
|
||
uint32_t nr_assignments;
|
||
Assignment **ran_assignments;
|
||
|
||
/** Depth of the window */
|
||
uint16_t depth;
|
||
};
|
||
|
||
/**
|
||
* A "match" is a data structure which acts like a mask or expression to match
|
||
* certain windows or not. For example, when using commands, you can specify a
|
||
* command like this: [title="*Firefox*"] kill. The title member of the match
|
||
* data structure will then be filled and i3 will check each window using
|
||
* match_matches_window() to find the windows affected by this command.
|
||
*
|
||
*/
|
||
struct Match {
|
||
struct regex *title;
|
||
struct regex *application;
|
||
struct regex *class;
|
||
struct regex *instance;
|
||
struct regex *mark;
|
||
struct regex *role;
|
||
enum {
|
||
U_DONTCHECK = -1,
|
||
U_LATEST = 0,
|
||
U_OLDEST = 1
|
||
} urgent;
|
||
enum {
|
||
M_DONTCHECK = -1,
|
||
M_NODOCK = 0,
|
||
M_DOCK_ANY = 1,
|
||
M_DOCK_TOP = 2,
|
||
M_DOCK_BOTTOM = 3
|
||
} dock;
|
||
xcb_window_t id;
|
||
Con *con_id;
|
||
enum { M_ANY = 0, M_TILING, M_FLOATING } floating;
|
||
|
||
/* Where the window looking for a match should be inserted:
|
||
*
|
||
* M_HERE = the matched container will be replaced by the window
|
||
* (layout saving)
|
||
* M_ASSIGN_WS = the matched container will be inserted in the target_ws.
|
||
* M_BELOW = the window will be inserted as a child of the matched container
|
||
* (dockareas)
|
||
*
|
||
*/
|
||
enum { M_HERE = 0, M_ASSIGN_WS, M_BELOW } insert_where;
|
||
|
||
/* Whether this match was generated when restarting i3 inplace.
|
||
* Leads to not setting focus when managing a new window, because the old
|
||
* focus stack should be restored. */
|
||
bool restart_mode;
|
||
|
||
TAILQ_ENTRY(Match) matches;
|
||
};
|
||
|
||
/**
|
||
* An Assignment makes specific windows go to a specific workspace/output or
|
||
* run a command for that window. With this mechanism, the user can -- for
|
||
* example -- assign his browser to workspace "www". Checking if a window is
|
||
* assigned works by comparing the Match data structure with the window (see
|
||
* match_matches_window()).
|
||
*
|
||
*/
|
||
struct Assignment {
|
||
/** type of this assignment:
|
||
*
|
||
* A_COMMAND = run the specified command for the matching window
|
||
* A_TO_WORKSPACE = assign the matching window to the specified workspace
|
||
* A_TO_OUTPUT = assign the matching window to the specified output
|
||
*
|
||
* While the type is a bitmask, only one value can be set at a time. It is
|
||
* a bitmask to allow filtering for multiple types, for example in the
|
||
* assignment_for() function.
|
||
*
|
||
*/
|
||
enum {
|
||
A_ANY = 0,
|
||
A_COMMAND = (1 << 0),
|
||
A_TO_WORKSPACE = (1 << 1),
|
||
A_TO_OUTPUT = (1 << 2)
|
||
} type;
|
||
|
||
/** the criteria to check if a window matches */
|
||
Match match;
|
||
|
||
/** destination workspace/output/command, depending on the type */
|
||
union {
|
||
char *command;
|
||
char *workspace;
|
||
char *output;
|
||
} dest;
|
||
|
||
TAILQ_ENTRY(Assignment) assignments;
|
||
};
|
||
|
||
/**
|
||
* A 'Con' represents everything from the X11 root window down to a single X11 window.
|
||
*
|
||
*/
|
||
struct Con {
|
||
bool mapped;
|
||
/** whether this is a split container or not */
|
||
bool split;
|
||
enum {
|
||
CT_ROOT = 0,
|
||
CT_OUTPUT = 1,
|
||
CT_CON = 2,
|
||
CT_FLOATING_CON = 3,
|
||
CT_WORKSPACE = 4,
|
||
CT_DOCKAREA = 5
|
||
} type;
|
||
struct Con *parent;
|
||
|
||
struct Rect rect;
|
||
struct Rect window_rect;
|
||
struct Rect deco_rect;
|
||
/** the geometry this window requested when getting mapped */
|
||
struct Rect geometry;
|
||
|
||
char *name;
|
||
|
||
/** the workspace number, if this Con is of type CT_WORKSPACE and the
|
||
* workspace is not a named workspace (for named workspaces, num == -1) */
|
||
int num;
|
||
|
||
/* a sticky-group is an identifier which bundles several containers to a
|
||
* group. The contents are shared between all of them, that is they are
|
||
* displayed on whichever of the containers is currently visible */
|
||
char *sticky_group;
|
||
|
||
/* user-definable mark to jump to this container later */
|
||
char *mark;
|
||
|
||
double percent;
|
||
|
||
/* proportional width/height, calculated from WM_NORMAL_HINTS, used to
|
||
* apply an aspect ratio to windows (think of MPlayer) */
|
||
int proportional_width;
|
||
int proportional_height;
|
||
/* the wanted size of the window, used in combination with size
|
||
* increments (see below). */
|
||
int base_width;
|
||
int base_height;
|
||
|
||
/* the x11 border pixel attribute */
|
||
int border_width;
|
||
|
||
/* minimum increment size specified for the window (in pixels) */
|
||
int width_increment;
|
||
int height_increment;
|
||
|
||
struct Window *window;
|
||
|
||
/* Should this container be marked urgent? This gets set when the window
|
||
* inside this container (if any) sets the urgency hint, for example. */
|
||
bool urgent;
|
||
|
||
/* ids/pixmap/graphics context for the frame window */
|
||
xcb_window_t frame;
|
||
xcb_pixmap_t pixmap;
|
||
xcb_gcontext_t pm_gc;
|
||
bool pixmap_recreated;
|
||
|
||
/** Cache for the decoration rendering */
|
||
struct deco_render_params *deco_render_params;
|
||
|
||
/* Only workspace-containers can have floating clients */
|
||
TAILQ_HEAD(floating_head, Con) floating_head;
|
||
|
||
TAILQ_HEAD(nodes_head, Con) nodes_head;
|
||
TAILQ_HEAD(focus_head, Con) focus_head;
|
||
|
||
TAILQ_HEAD(swallow_head, Match) swallow_head;
|
||
|
||
enum { CF_NONE = 0, CF_OUTPUT = 1, CF_GLOBAL = 2 } fullscreen_mode;
|
||
enum {
|
||
L_DEFAULT = 0,
|
||
L_STACKED = 1,
|
||
L_TABBED = 2,
|
||
L_DOCKAREA = 3,
|
||
L_OUTPUT = 4,
|
||
L_SPLITV = 5,
|
||
L_SPLITH = 6
|
||
} layout, last_split_layout;
|
||
border_style_t border_style;
|
||
/** floating? (= not in tiling layout) This cannot be simply a bool
|
||
* because we want to keep track of whether the status was set by the
|
||
* application (by setting _NET_WM_WINDOW_TYPE appropriately) or by the
|
||
* user. The user’s choice overwrites automatic mode, of course. The
|
||
* order of the values is important because we check with >=
|
||
* FLOATING_AUTO_ON if a client is floating. */
|
||
enum {
|
||
FLOATING_AUTO_OFF = 0,
|
||
FLOATING_USER_OFF = 1,
|
||
FLOATING_AUTO_ON = 2,
|
||
FLOATING_USER_ON = 3
|
||
} floating;
|
||
|
||
/** This counter contains the number of UnmapNotify events for this
|
||
* container (or, more precisely, for its ->frame) which should be ignored.
|
||
* UnmapNotify events need to be ignored when they are caused by i3 itself,
|
||
* for example when reparenting or when unmapping the window on a workspace
|
||
* change. */
|
||
uint8_t ignore_unmap;
|
||
|
||
TAILQ_ENTRY(Con) nodes;
|
||
TAILQ_ENTRY(Con) focused;
|
||
TAILQ_ENTRY(Con) all_cons;
|
||
TAILQ_ENTRY(Con) floating_windows;
|
||
|
||
/** callbacks */
|
||
void(*on_remove_child)(Con *);
|
||
|
||
enum {
|
||
SCRATCHPAD_NONE = 0,
|
||
SCRATCHPAD_FRESH = 1,
|
||
SCRATCHPAD_CHANGED = 2
|
||
} scratchpad_state;
|
||
|
||
/* The ID of this container before restarting. Necessary to correctly
|
||
* interpret back-references in the JSON (such as the focus stack). */
|
||
int old_id;
|
||
};
|
||
|
||
#endif
|