405 lines
11 KiB
C
405 lines
11 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* include/data.h: This file defines all data structures used by i3
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*
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*/
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#include <xcb/xcb.h>
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#include <xcb/randr.h>
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#include <xcb/xcb_atom.h>
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#include <stdbool.h>
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#ifndef _DATA_H
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#define _DATA_H
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#include "queue.h"
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/*
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* To get the big concept: There are helper structures like struct Colorpixel
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* or struct Stack_Window. Everything which is also defined as type (see
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* forward definitions) is considered to be a major structure, thus important.
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*
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* Let’s start from the biggest to the smallest:
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*
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* TODO
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*
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*/
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/* Forward definitions */
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typedef struct Font i3Font;
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typedef struct Binding Binding;
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typedef struct Rect Rect;
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typedef struct xoutput Output;
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typedef struct Con Con;
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typedef struct Match Match;
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typedef struct Window i3Window;
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/******************************************************************************
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* Helper types
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*****************************************************************************/
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typedef enum { D_LEFT, D_RIGHT, D_UP, D_DOWN } direction_t;
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typedef enum { NO_ORIENTATION = 0, HORIZ, VERT } orientation_t;
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typedef enum { BS_NORMAL = 0, BS_NONE = 1, BS_1PIXEL = 2 } border_style_t;
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enum {
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BIND_NONE = 0,
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BIND_SHIFT = XCB_MOD_MASK_SHIFT, /* (1 << 0) */
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BIND_CONTROL = XCB_MOD_MASK_CONTROL, /* (1 << 2) */
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BIND_MOD1 = XCB_MOD_MASK_1, /* (1 << 3) */
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BIND_MOD2 = XCB_MOD_MASK_2, /* (1 << 4) */
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BIND_MOD3 = XCB_MOD_MASK_3, /* (1 << 5) */
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BIND_MOD4 = XCB_MOD_MASK_4, /* (1 << 6) */
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BIND_MOD5 = XCB_MOD_MASK_5, /* (1 << 7) */
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BIND_MODE_SWITCH = (1 << 8)
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};
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/**
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* Stores a rectangle, for example the size of a window, the child window etc.
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* It needs to be packed so that the compiler will not add any padding bytes.
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* (it is used in src/ewmh.c for example)
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*
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* Note that x and y can contain signed values in some cases (for example when
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* used for the coordinates of a window, which can be set outside of the
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* visible area, but not when specifying the position of a workspace for the
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* _NET_WM_WORKAREA hint). Not declaring x/y as int32_t saves us a lot of
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* typecasts.
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*
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*/
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struct Rect {
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uint32_t x;
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uint32_t y;
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uint32_t width;
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uint32_t height;
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} __attribute__((packed));
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/**
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* Stores the reserved pixels on each screen edge read from a
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* _NET_WM_STRUT_PARTIAL.
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*
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*/
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struct reservedpx {
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uint32_t left;
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uint32_t right;
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uint32_t top;
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uint32_t bottom;
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};
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/**
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* Used for the cache of colorpixels.
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*
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*/
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struct Colorpixel {
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uint32_t pixel;
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char *hex;
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SLIST_ENTRY(Colorpixel) colorpixels;
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};
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struct Cached_Pixmap {
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xcb_pixmap_t id;
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/* We’re going to paint on it, so a graphics context will be needed */
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xcb_gcontext_t gc;
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/* The rect with which the pixmap was created */
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Rect rect;
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/* The rect of the object to which this pixmap belongs. Necessary to
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* find out when we need to re-create the pixmap. */
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Rect *referred_rect;
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xcb_drawable_t referred_drawable;
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};
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struct Ignore_Event {
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int sequence;
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time_t added;
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SLIST_ENTRY(Ignore_Event) ignore_events;
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};
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/******************************************************************************
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* Major types
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*****************************************************************************/
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/**
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* Holds a keybinding, consisting of a keycode combined with modifiers and the
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* command which is executed as soon as the key is pressed (see src/command.c)
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*
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*/
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struct Binding {
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/** Symbol the user specified in configfile, if any. This needs to be
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* stored with the binding to be able to re-convert it into a keycode
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* if the keyboard mapping changes (using Xmodmap for example) */
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char *symbol;
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/** Only in use if symbol != NULL. Gets set to the value to which the
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* symbol got translated when binding. Useful for unbinding and
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* checking which binding was used when a key press event comes in.
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*
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* This is an array of number_keycodes size. */
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xcb_keycode_t *translated_to;
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uint32_t number_keycodes;
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/** Keycode to bind */
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uint32_t keycode;
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/** Bitmask consisting of BIND_MOD_1, BIND_MODE_SWITCH, … */
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uint32_t mods;
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/** Command, like in command mode */
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char *command;
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TAILQ_ENTRY(Binding) bindings;
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};
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/**
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* Holds a command specified by an exec-line in the config (see src/config.c)
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*
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*/
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struct Autostart {
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/** Command, like in command mode */
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char *command;
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TAILQ_ENTRY(Autostart) autostarts;
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};
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/**
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* Data structure for cached font information:
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* - font id in X11 (load it once)
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* - font height (multiple calls needed to get it)
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*
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*/
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struct Font {
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/** The name of the font, that is what the pattern resolves to */
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char *name;
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/** A copy of the pattern to build a cache */
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char *pattern;
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/** The height of the font, built from font_ascent + font_descent */
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int height;
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/** The xcb-id for the font */
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xcb_font_t id;
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TAILQ_ENTRY(Font) fonts;
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};
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/**
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* An Output is a physical output on your graphics driver. Outputs which
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* are currently in use have (output->active == true). Each output has a
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* position and a mode. An output usually corresponds to one connected
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* screen (except if you are running multiple screens in clone mode).
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*
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*/
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struct xoutput {
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/** Output id, so that we can requery the output directly later */
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xcb_randr_output_t id;
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/** Name of the output */
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char *name;
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/** Pointer to the Con which represents this output */
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Con *con;
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/** Whether the output is currently active (has a CRTC attached with a
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* valid mode) */
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bool active;
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/** Internal flags, necessary for querying RandR screens (happens in
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* two stages) */
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bool changed;
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bool to_be_disabled;
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bool primary;
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/** x, y, width, height */
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Rect rect;
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#if 0
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/** The bar window */
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xcb_window_t bar;
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xcb_gcontext_t bargc;
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/** Contains all clients with _NET_WM_WINDOW_TYPE ==
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* _NET_WM_WINDOW_TYPE_DOCK */
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SLIST_HEAD(dock_clients_head, Client) dock_clients;
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#endif
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TAILQ_ENTRY(xoutput) outputs;
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};
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struct Window {
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xcb_window_t id;
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/** Holds the xcb_window_t (just an ID) for the leader window (logical
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* parent for toolwindows and similar floating windows) */
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xcb_window_t leader;
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xcb_window_t transient_for;
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char *class_class;
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char *class_instance;
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/** The name of the window as it will be passed to X11 (in UCS2 if the
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* application supports _NET_WM_NAME, in COMPOUND_TEXT otherwise). */
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char *name_x;
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/** The name of the window as used in JSON (in UTF-8 if the application
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* supports _NET_WM_NAME, in COMPOUND_TEXT otherwise) */
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char *name_json;
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/** The length of the name in glyphs (not bytes) */
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int name_len;
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/** Whether the application used _NET_WM_NAME */
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bool uses_net_wm_name;
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/** Whether the window says it is a dock window */
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enum { W_NODOCK = 0, W_DOCK_TOP = 1, W_DOCK_BOTTOM = 2 } dock;
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/** Pixels the window reserves. left/right/top/bottom */
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struct reservedpx reserved;
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};
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struct Match {
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enum { M_WINDOW, M_CON } what;
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char *title;
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int title_len;
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char *application;
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char *class;
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char *instance;
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char *mark;
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enum {
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M_DONTCHECK = -1,
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M_NODOCK = 0,
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M_DOCK_ANY = 1,
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M_DOCK_TOP = 2,
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M_DOCK_BOTTOM = 3
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} dock;
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xcb_window_t id;
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Con *con_id;
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enum { M_ANY = 0, M_TILING, M_FLOATING } floating;
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enum { M_GLOBAL = 0, M_OUTPUT, M_WORKSPACE } levels;
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enum { M_USER = 0, M_RESTART } source;
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/* Where the window looking for a match should be inserted:
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*
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* M_HERE = the matched container will be replaced by the window
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* (layout saving)
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* M_ACTIVE = the window will be inserted next to the currently focused
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* container below the matched container
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* (assignments)
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* M_BELOW = the window will be inserted as a child of the matched container
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* (dockareas)
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*
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*/
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enum { M_HERE = 0, M_ACTIVE, M_BELOW } insert_where;
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TAILQ_ENTRY(Match) matches;
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};
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struct Con {
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bool mapped;
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enum {
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CT_ROOT = 0,
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CT_OUTPUT = 1,
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CT_CON = 2,
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CT_FLOATING_CON = 3,
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CT_WORKSPACE = 4,
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CT_DOCKAREA = 5
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} type;
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orientation_t orientation;
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struct Con *parent;
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struct Rect rect;
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struct Rect window_rect;
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struct Rect deco_rect;
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/** the geometry this window requested when getting mapped */
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struct Rect geometry;
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char *name;
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/** the workspace number, if this Con is of type CT_WORKSPACE and the
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* workspace is not a named workspace (for named workspaces, num == -1) */
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int num;
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/* a sticky-group is an identifier which bundles several containers to a
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* group. The contents are shared between all of them, that is they are
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* displayed on whichever of the containers is currently visible */
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char *sticky_group;
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/* user-definable mark to jump to this container later */
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char *mark;
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double percent;
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/* proportional width/height, calculated from WM_NORMAL_HINTS, used to
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* apply an aspect ratio to windows (think of MPlayer) */
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int proportional_width;
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int proportional_height;
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/* the wanted size of the window, used in combination with size
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* increments (see below). */
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int base_width;
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int base_height;
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/* the x11 border pixel attribute */
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int border_width;
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/* minimum increment size specified for the window (in pixels) */
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int width_increment;
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int height_increment;
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struct Window *window;
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/* Should this container be marked urgent? This gets set when the window
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* inside this container (if any) sets the urgency hint, for example. */
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bool urgent;
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/* ids/gc for the frame window */
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xcb_window_t frame;
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xcb_gcontext_t gc;
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/* Only workspace-containers can have floating clients */
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TAILQ_HEAD(floating_head, Con) floating_head;
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TAILQ_HEAD(nodes_head, Con) nodes_head;
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TAILQ_HEAD(focus_head, Con) focus_head;
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TAILQ_HEAD(swallow_head, Match) swallow_head;
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enum { CF_NONE = 0, CF_OUTPUT = 1, CF_GLOBAL = 2 } fullscreen_mode;
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enum { L_DEFAULT = 0, L_STACKED = 1, L_TABBED = 2, L_DOCKAREA = 3, L_OUTPUT = 4 } layout;
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border_style_t border_style;
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/** floating? (= not in tiling layout) This cannot be simply a bool
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* because we want to keep track of whether the status was set by the
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* application (by setting _NET_WM_WINDOW_TYPE appropriately) or by the
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* user. The user’s choice overwrites automatic mode, of course. The
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* order of the values is important because we check with >=
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* FLOATING_AUTO_ON if a client is floating. */
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enum {
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FLOATING_AUTO_OFF = 0,
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FLOATING_USER_OFF = 1,
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FLOATING_AUTO_ON = 2,
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FLOATING_USER_ON = 3
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} floating;
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/** This counter contains the number of UnmapNotify events for this
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* container (or, more precisely, for its ->frame) which should be ignored.
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* UnmapNotify events need to be ignored when they are caused by i3 itself,
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* for example when reparenting or when unmapping the window on a workspace
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* change. */
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uint8_t ignore_unmap;
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TAILQ_ENTRY(Con) nodes;
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TAILQ_ENTRY(Con) focused;
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TAILQ_ENTRY(Con) all_cons;
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TAILQ_ENTRY(Con) floating_windows;
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/** callbacks */
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void(*on_remove_child)(Con *);
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};
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#endif
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