2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
7 * include/data.h: This file defines all data structures used by i3
12 #define SN_API_NOT_YET_FROZEN 1
13 #include <libsn/sn-launcher.h>
15 #include <xcb/randr.h>
24 * To get the big concept: There are helper structures like struct
25 * Workspace_Assignment. Every struct which is also defined as type (see
26 * forward definitions) is considered to be a major structure, thus important.
28 * The following things are all stored in a 'Con', from very high level (the
29 * biggest Cons) to very small (a single window):
31 * 1) X11 root window (as big as all your outputs combined)
32 * 2) output (like LVDS1)
33 * 3) content container, dockarea containers
36 * ... (you can arbitrarily nest split containers)
37 * 6) X11 window containers
41 /* Forward definitions */
42 typedef struct Binding Binding;
43 typedef struct Rect Rect;
44 typedef struct xoutput Output;
45 typedef struct Con Con;
46 typedef struct Match Match;
47 typedef struct Assignment Assignment;
48 typedef struct Window i3Window;
49 typedef struct mark_t mark_t;
51 /******************************************************************************
53 *****************************************************************************/
54 typedef enum { D_LEFT,
58 typedef enum { NO_ORIENTATION = 0,
61 typedef enum { BS_NORMAL = 0,
63 BS_PIXEL = 2 } border_style_t;
65 /** parameter to specify whether tree_close() and x_window_kill() should kill
66 * only this specific window or the whole X11 client */
67 typedef enum { DONT_KILL_WINDOW = 0,
69 KILL_CLIENT = 2 } kill_window_t;
71 /** describes if the window is adjacent to the output (physical screen) edges. */
72 typedef enum { ADJ_NONE = 0,
73 ADJ_LEFT_SCREEN_EDGE = (1 << 0),
74 ADJ_RIGHT_SCREEN_EDGE = (1 << 1),
75 ADJ_UPPER_SCREEN_EDGE = (1 << 2),
76 ADJ_LOWER_SCREEN_EDGE = (1 << 4) } adjacent_t;
78 typedef enum { MM_REPLACE,
82 * Container layouts. See Con::layout.
95 * Binding input types. See Binding::input_type.
103 * Bitmask for matching XCB_XKB_GROUP_1 to XCB_XKB_GROUP_4.
106 I3_XKB_GROUP_MASK_ANY = 0,
107 I3_XKB_GROUP_MASK_1 = (1 << 0),
108 I3_XKB_GROUP_MASK_2 = (1 << 1),
109 I3_XKB_GROUP_MASK_3 = (1 << 2),
110 I3_XKB_GROUP_MASK_4 = (1 << 3)
111 } i3_xkb_group_mask_t;
114 * The lower 16 bits contain a xcb_key_but_mask_t, the higher 16 bits contain
115 * an i3_xkb_group_mask_t. This type is necessary for the fallback logic to
116 * work when handling XKB groups (see ticket #1775) and makes the code which
117 * locates keybindings upon KeyPress/KeyRelease events simpler.
119 typedef uint32_t i3_event_state_mask_t;
122 * Mouse pointer warping modes.
125 POINTER_WARPING_OUTPUT = 0,
126 POINTER_WARPING_NONE = 1
130 * Stores a rectangle, for example the size of a window, the child window etc.
131 * It needs to be packed so that the compiler will not add any padding bytes.
132 * (it is used in src/ewmh.c for example)
134 * Note that x and y can contain signed values in some cases (for example when
135 * used for the coordinates of a window, which can be set outside of the
136 * visible area, but not when specifying the position of a workspace for the
137 * _NET_WM_WORKAREA hint). Not declaring x/y as int32_t saves us a lot of
146 } __attribute__((packed));
149 * Stores the reserved pixels on each screen edge read from a
150 * _NET_WM_STRUT_PARTIAL.
161 * Stores a width/height pair, used as part of deco_render_params to check
162 * whether the rects width/height have changed.
165 struct width_height {
171 * Stores the parameters for rendering a window decoration. This structure is
172 * cached in every Con and no re-rendering will be done if the parameters have
173 * not changed (only the pixmaps will be copied).
176 struct deco_render_params {
177 struct Colortriple *color;
179 struct width_height con_rect;
180 struct width_height con_window_rect;
183 layout_t parent_layout;
188 * Stores which workspace (by name or number) goes to which output.
191 struct Workspace_Assignment {
195 TAILQ_ENTRY(Workspace_Assignment) ws_assignments;
198 struct Ignore_Event {
203 SLIST_ENTRY(Ignore_Event) ignore_events;
207 * Stores internal information about a startup sequence, like the workspace it
211 struct Startup_Sequence {
212 /** startup ID for this sequence, generated by libstartup-notification */
214 /** workspace on which this startup was initiated */
216 /** libstartup-notification context for this launch */
217 SnLauncherContext *context;
218 /** time at which this sequence should be deleted (after it was marked as
222 TAILQ_ENTRY(Startup_Sequence) sequences;
226 * Regular expression wrapper. It contains the pattern itself as a string (like
227 * ^foo[0-9]$) as well as a pointer to the compiled PCRE expression and the
228 * pcre_extra data returned by pcre_study().
230 * This makes it easier to have a useful logfile, including the matching or
231 * non-matching pattern.
240 /******************************************************************************
242 *****************************************************************************/
245 * Holds a keybinding, consisting of a keycode combined with modifiers and the
246 * command which is executed as soon as the key is pressed (see
247 * src/config_parser.c)
251 /* The type of input this binding is for. (Mouse bindings are not yet
252 * implemented. All bindings are currently assumed to be keyboard bindings.) */
253 input_type_t input_type;
255 /** If true, the binding should be executed upon a KeyRelease event, not a
256 * KeyPress (the default). */
258 /* This binding will only be executed upon KeyPress events */
260 /* This binding will be executed either upon a KeyRelease event, or… */
261 B_UPON_KEYRELEASE = 1,
262 /* …upon a KeyRelease event, even if the modifiers don’t match. This
263 * state is triggered from get_binding() when the corresponding
264 * KeyPress (!) happens, so that users can release the modifier keys
265 * before releasing the actual key. */
266 B_UPON_KEYRELEASE_IGNORE_MODS = 2,
269 /** If this is true for a mouse binding, the binding should be executed
270 * when the button is pressed over the window border. */
273 /** If this is true for a mouse binding, the binding should be executed
274 * when the button is pressed over any part of the window, not just the
275 * title bar (default). */
278 uint32_t number_keycodes;
280 /** Keycode to bind */
283 /** Bitmask which is applied against event->state for KeyPress and
284 * KeyRelease events to determine whether this binding applies to the
286 i3_event_state_mask_t event_state_mask;
288 /** Symbol the user specified in configfile, if any. This needs to be
289 * stored with the binding to be able to re-convert it into a keycode
290 * if the keyboard mapping changes (using Xmodmap for example) */
293 /** Only in use if symbol != NULL. Gets set to the value to which the
294 * symbol got translated when binding. Useful for unbinding and
295 * checking which binding was used when a key press event comes in.
297 * This is an array of number_keycodes size. */
298 xcb_keycode_t *translated_to;
300 /** Command, like in command mode */
303 TAILQ_ENTRY(Binding) bindings;
307 * Holds a command specified by either an:
310 * in the config (see src/config.c)
314 /** Command, like in command mode */
316 /** no_startup_id flag for start_application(). Determines whether a
317 * startup notification context/ID should be created. */
319 TAILQ_ENTRY(Autostart) autostarts;
320 TAILQ_ENTRY(Autostart) autostarts_always;
324 * An Output is a physical output on your graphics driver. Outputs which
325 * are currently in use have (output->active == true). Each output has a
326 * position and a mode. An output usually corresponds to one connected
327 * screen (except if you are running multiple screens in clone mode).
331 /** Output id, so that we can requery the output directly later */
332 xcb_randr_output_t id;
334 /** Whether the output is currently active (has a CRTC attached with a
338 /** Internal flags, necessary for querying RandR screens (happens in
344 /** Name of the output */
347 /** Pointer to the Con which represents this output */
350 /** x, y, width, height */
353 TAILQ_ENTRY(xoutput) outputs;
357 * A 'Window' is a type which contains an xcb_window_t and all the related
358 * information (hints like _NET_WM_NAME for that window).
364 /** Holds the xcb_window_t (just an ID) for the leader window (logical
365 * parent for toolwindows and similar floating windows) */
367 xcb_window_t transient_for;
369 /** Pointers to the Assignments which were already ran for this Window
370 * (assignments run only once) */
371 uint32_t nr_assignments;
372 Assignment **ran_assignments;
375 char *class_instance;
377 /** The name of the window. */
379 /** The format with which the window's name should be displayed. */
382 /** The WM_WINDOW_ROLE of this window (for example, the pidgin buddy window
383 * sets "buddy list"). Useful to match specific windows in assignments or
387 /** Flag to force re-rendering the decoration upon changes */
390 /** Whether the application used _NET_WM_NAME */
391 bool uses_net_wm_name;
393 /** Whether the application needs to receive WM_TAKE_FOCUS */
394 bool needs_take_focus;
396 /** Whether this window accepts focus. We store this inverted so that the
397 * default will be 'accepts focus'. */
398 bool doesnt_accept_focus;
400 /** The _NET_WM_WINDOW_TYPE for this window. */
401 xcb_atom_t window_type;
403 /** Whether the window says it is a dock window */
406 W_DOCK_BOTTOM = 2 } dock;
408 /** When this window was marked urgent. 0 means not urgent */
409 struct timeval urgent;
411 /** Pixels the window reserves. left/right/top/bottom */
412 struct reservedpx reserved;
414 /** Depth of the window */
417 /* the wanted size of the window, used in combination with size
418 * increments (see below). */
422 /* minimum increment size specified for the window (in pixels) */
424 int height_increment;
426 /* aspect ratio from WM_NORMAL_HINTS (MPlayer uses this for example) */
431 * A "match" is a data structure which acts like a mask or expression to match
432 * certain windows or not. For example, when using commands, you can specify a
433 * command like this: [title="*Firefox*"] kill. The title member of the match
434 * data structure will then be filled and i3 will check each window using
435 * match_matches_window() to find the windows affected by this command.
440 struct regex *application;
442 struct regex *instance;
444 struct regex *window_role;
445 struct regex *workspace;
446 xcb_atom_t window_type;
462 M_FLOATING } floating;
465 /* Where the window looking for a match should be inserted:
467 * M_HERE = the matched container will be replaced by the window
469 * M_ASSIGN_WS = the matched container will be inserted in the target_ws.
470 * M_BELOW = the window will be inserted as a child of the matched container
476 M_BELOW } insert_where;
478 TAILQ_ENTRY(Match) matches;
480 /* Whether this match was generated when restarting i3 inplace.
481 * Leads to not setting focus when managing a new window, because the old
482 * focus stack should be restored. */
487 * An Assignment makes specific windows go to a specific workspace/output or
488 * run a command for that window. With this mechanism, the user can -- for
489 * example -- assign their browser to workspace "www". Checking if a window is
490 * assigned works by comparing the Match data structure with the window (see
491 * match_matches_window()).
495 /** type of this assignment:
497 * A_COMMAND = run the specified command for the matching window
498 * A_TO_WORKSPACE = assign the matching window to the specified workspace
499 * A_NO_FOCUS = don't focus matched window when it is managed
501 * While the type is a bitmask, only one value can be set at a time. It is
502 * a bitmask to allow filtering for multiple types, for example in the
503 * assignment_for() function.
508 A_COMMAND = (1 << 0),
509 A_TO_WORKSPACE = (1 << 1),
510 A_NO_FOCUS = (1 << 2)
513 /** the criteria to check if a window matches */
516 /** destination workspace/command, depending on the type */
522 TAILQ_ENTRY(Assignment) assignments;
525 /** Fullscreen modes. Used by Con.fullscreen_mode. */
526 typedef enum { CF_NONE = 0,
528 CF_GLOBAL = 2 } fullscreen_mode_t;
533 TAILQ_ENTRY(mark_t) marks;
537 * A 'Con' represents everything from the X11 root window down to a single X11 window.
543 /* Should this container be marked urgent? This gets set when the window
544 * inside this container (if any) sets the urgency hint, for example. */
547 /** This counter contains the number of UnmapNotify events for this
548 * container (or, more precisely, for its ->frame) which should be ignored.
549 * UnmapNotify events need to be ignored when they are caused by i3 itself,
550 * for example when reparenting or when unmapping the window on a workspace
552 uint8_t ignore_unmap;
554 /* ids/pixmap/graphics context for the frame window */
555 bool pixmap_recreated;
558 xcb_gcontext_t pm_gc;
569 /** the workspace number, if this Con is of type CT_WORKSPACE and the
570 * workspace is not a named workspace (for named workspaces, num == -1) */
575 /* The position and size for this con. These coordinates are absolute. Note
576 * that the rect of a container does not include the decoration. */
578 /* The position and size of the actual client window. These coordinates are
579 * relative to the container's rect. */
580 struct Rect window_rect;
581 /* The position and size of the container's decoration. These coordinates
582 * are relative to the container's parent's rect. */
583 struct Rect deco_rect;
584 /** the geometry this window requested when getting mapped */
585 struct Rect geometry;
589 /* a sticky-group is an identifier which bundles several containers to a
590 * group. The contents are shared between all of them, that is they are
591 * displayed on whichever of the containers is currently visible */
594 /* user-definable marks to jump to this container later */
595 TAILQ_HEAD(marks_head, mark_t) marks_head;
596 /* cached to decide whether a redraw is needed */
601 /* the x11 border pixel attribute */
603 int current_border_width;
605 struct Window *window;
607 /* timer used for disabling urgency */
608 struct ev_timer *urgency_timer;
610 /** Cache for the decoration rendering */
611 struct deco_render_params *deco_render_params;
613 /* Only workspace-containers can have floating clients */
614 TAILQ_HEAD(floating_head, Con) floating_head;
616 TAILQ_HEAD(nodes_head, Con) nodes_head;
617 TAILQ_HEAD(focus_head, Con) focus_head;
619 TAILQ_HEAD(swallow_head, Match) swallow_head;
621 fullscreen_mode_t fullscreen_mode;
623 /* Whether this window should stick to the glass. This corresponds to
624 * the _NET_WM_STATE_STICKY atom and will only be respected if the
625 * window is floating. */
628 /* layout is the layout of this container: one of split[v|h], stacked or
629 * tabbed. Special containers in the tree (above workspaces) have special
630 * layouts like dockarea or output.
632 * last_split_layout is one of splitv or splith to support the old "layout
633 * default" command which by now should be "layout splitv" or "layout
634 * splith" explicitly.
636 * workspace_layout is only for type == CT_WORKSPACE cons. When you change
637 * the layout of a workspace without any children, i3 cannot just set the
638 * layout (because workspaces need to be splitv/splith to allow focus
639 * parent and opening new containers). Instead, it stores the requested
640 * layout in workspace_layout and creates a new split container with that
641 * layout whenever a new container is attached to the workspace. */
642 layout_t layout, last_split_layout, workspace_layout;
643 border_style_t border_style;
644 /** floating? (= not in tiling layout) This cannot be simply a bool
645 * because we want to keep track of whether the status was set by the
646 * application (by setting _NET_WM_WINDOW_TYPE appropriately) or by the
647 * user. The user’s choice overwrites automatic mode, of course. The
648 * order of the values is important because we check with >=
649 * FLOATING_AUTO_ON if a client is floating. */
651 FLOATING_AUTO_OFF = 0,
652 FLOATING_USER_OFF = 1,
653 FLOATING_AUTO_ON = 2,
657 TAILQ_ENTRY(Con) nodes;
658 TAILQ_ENTRY(Con) focused;
659 TAILQ_ENTRY(Con) all_cons;
660 TAILQ_ENTRY(Con) floating_windows;
663 void (*on_remove_child)(Con *);
666 /* Not a scratchpad window. */
669 /* Just moved to scratchpad, not resized by the user yet.
670 * Window will be auto-centered and sized appropriately. */
671 SCRATCHPAD_FRESH = 1,
673 /* The user changed position/size of the scratchpad window. */
674 SCRATCHPAD_CHANGED = 2
677 /* The ID of this container before restarting. Necessary to correctly
678 * interpret back-references in the JSON (such as the focus stack). */
681 /* Depth of the container window */