handlers.c File Reference

#include "all.h"
#include <sys/time.h>
#include <time.h>
#include <xcb/randr.h>
#include <libsn/sn-monitor.h>

Include dependency graph for handlers.c:

Go to the source code of this file.

Data Structures
struct	property_handler_t

Macros
#define	SN_API_NOT_YET_FROZEN   1
#define	COPY_MASK_MEMBER(mask_member, event_member)
#define	_NET_WM_MOVERESIZE_SIZE_TOPLEFT   0
#define	_NET_WM_MOVERESIZE_SIZE_TOP   1
#define	_NET_WM_MOVERESIZE_SIZE_TOPRIGHT   2
#define	_NET_WM_MOVERESIZE_SIZE_RIGHT   3
#define	_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT   4
#define	_NET_WM_MOVERESIZE_SIZE_BOTTOM   5
#define	_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT   6
#define	_NET_WM_MOVERESIZE_SIZE_LEFT   7
#define	_NET_WM_MOVERESIZE_MOVE   8 /* movement only */
#define	_NET_WM_MOVERESIZE_SIZE_KEYBOARD   9 /* size via keyboard */
#define	_NET_WM_MOVERESIZE_MOVE_KEYBOARD   10 /* move via keyboard */
#define	_NET_WM_MOVERESIZE_CANCEL   11 /* cancel operation */
#define	_NET_MOVERESIZE_WINDOW_X   (1 << 8)
#define	_NET_MOVERESIZE_WINDOW_Y   (1 << 9)
#define	_NET_MOVERESIZE_WINDOW_WIDTH   (1 << 10)
#define	_NET_MOVERESIZE_WINDOW_HEIGHT   (1 << 11)
#define	NUM_HANDLERS   (sizeof(property_handlers) / sizeof(struct property_handler_t))

Typedefs
typedef bool(*	cb_property_handler_t) (Con *con, xcb_get_property_reply_t *property)

Functions
static	SLIST_HEAD (ignore_head, Ignore_Event)
bool	event_is_ignored (const int sequence, const int response_type)
	Checks if the given sequence is ignored and returns true if so. More...
static void	check_crossing_screen_boundary (uint32_t x, uint32_t y)
static void	handle_enter_notify (xcb_enter_notify_event_t *event)
static void	handle_motion_notify (xcb_motion_notify_event_t *event)
static void	handle_mapping_notify (xcb_mapping_notify_event_t *event)
static void	handle_map_request (xcb_map_request_event_t *event)
static void	handle_configure_request (xcb_configure_request_event_t *event)
static void	handle_screen_change (xcb_generic_event_t *e)
static void	handle_unmap_notify_event (xcb_unmap_notify_event_t *event)
static void	handle_destroy_notify_event (xcb_destroy_notify_event_t *event)
static bool	window_name_changed (i3Window *window, char *old_name)
static bool	handle_windowname_change (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_windowname_change_legacy (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_windowrole_change (Con *con, xcb_get_property_reply_t *prop)
static void	handle_expose_event (xcb_expose_event_t *event)
static void	handle_client_message (xcb_client_message_event_t *event)
static bool	handle_window_type (Con *con, xcb_get_property_reply_t *reply)
static bool	handle_normal_hints (Con *con, xcb_get_property_reply_t *reply)
static bool	handle_hints (Con *con, xcb_get_property_reply_t *reply)
static bool	handle_transient_for (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_clientleader_change (Con *con, xcb_get_property_reply_t *prop)
static void	handle_focus_in (xcb_focus_in_event_t *event)
static void	handle_focus_out (xcb_focus_in_event_t *event)
static void	handle_configure_notify (xcb_configure_notify_event_t *event)
static void	handle_selection_clear (xcb_selection_clear_event_t *event)
static bool	handle_class_change (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_machine_change (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_motif_hints_change (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_strut_partial_change (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_i3_floating (Con *con, xcb_get_property_reply_t *prop)
static bool	handle_windowicon_change (Con *con, xcb_get_property_reply_t *prop)
void	property_handlers_init (void)
	Sets the appropriate atoms for the property handlers after the atoms were received from X11. More...
static void	property_notify (uint8_t state, xcb_window_t window, xcb_atom_t atom)
void	handle_event (int type, xcb_generic_event_t *event)
	Takes an xcb_generic_event_t and calls the appropriate handler, based on the event type. More...

Variables
int	randr_base = -1
int	xkb_base = -1
int	xkb_current_group
int	shape_base = -1
static struct property_handler_t	property_handlers []

Macro Definition Documentation

_NET_MOVERESIZE_WINDOW_HEIGHT

#define _NET_MOVERESIZE_WINDOW_HEIGHT   (1 << 11)

Definition at line 649 of file handlers.c.

_NET_MOVERESIZE_WINDOW_WIDTH

#define _NET_MOVERESIZE_WINDOW_WIDTH   (1 << 10)

Definition at line 648 of file handlers.c.

_NET_MOVERESIZE_WINDOW_X

#define _NET_MOVERESIZE_WINDOW_X   (1 << 8)

Definition at line 646 of file handlers.c.

_NET_MOVERESIZE_WINDOW_Y

#define _NET_MOVERESIZE_WINDOW_Y   (1 << 9)

Definition at line 647 of file handlers.c.

_NET_WM_MOVERESIZE_CANCEL

#define _NET_WM_MOVERESIZE_CANCEL   11 /* cancel operation */

Definition at line 644 of file handlers.c.

_NET_WM_MOVERESIZE_MOVE

#define _NET_WM_MOVERESIZE_MOVE   8 /* movement only */

Definition at line 641 of file handlers.c.

_NET_WM_MOVERESIZE_MOVE_KEYBOARD

#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD   10 /* move via keyboard */

Definition at line 643 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_BOTTOM

#define _NET_WM_MOVERESIZE_SIZE_BOTTOM   5

Definition at line 638 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT

#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT   6

Definition at line 639 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT

#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT   4

Definition at line 637 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_KEYBOARD

#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD   9 /* size via keyboard */

Definition at line 642 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_LEFT

#define _NET_WM_MOVERESIZE_SIZE_LEFT   7

Definition at line 640 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_RIGHT

#define _NET_WM_MOVERESIZE_SIZE_RIGHT   3

Definition at line 636 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_TOP

#define _NET_WM_MOVERESIZE_SIZE_TOP   1

Definition at line 634 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_TOPLEFT

#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT   0

Definition at line 633 of file handlers.c.

_NET_WM_MOVERESIZE_SIZE_TOPRIGHT

#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT   2

Definition at line 635 of file handlers.c.

COPY_MASK_MEMBER

#define COPY_MASK_MEMBER	(		mask_member,
			event_member
	)

Value:

    do {                                            \
        if (event->value_mask & mask_member) {      \
            mask |= mask_member;                    \
            values[c++] = event->event_member;      \
        }                                           \
    } while (0)

NUM_HANDLERS

#define NUM_HANDLERS   (sizeof(property_handlers) / sizeof(struct property_handler_t))

Definition at line 1308 of file handlers.c.

SN_API_NOT_YET_FROZEN

#define SN_API_NOT_YET_FROZEN   1

Definition at line 17 of file handlers.c.

Typedef Documentation

cb_property_handler_t

typedef bool(* cb_property_handler_t) (Con *con, xcb_get_property_reply_t *property)

Definition at line 1285 of file handlers.c.

Function Documentation

check_crossing_screen_boundary()

static void check_crossing_screen_boundary ( uint32_t  x, uint32_t  y  )

static

Definition at line 90 of file handlers.c.

References xoutput::con, con_descend_focused(), con_focus(), con_get_workspace(), config, Config::disable_focus_follows_mouse, ELOG, focused, get_output_containing(), output_get_content(), tree_render(), workspace_show(), and y.

Referenced by handle_enter_notify(), and handle_motion_notify().

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event_is_ignored()

bool event_is_ignored	(	const int	sequence,
		const int	response_type
	)

Checks if the given sequence is ignored and returns true if so.

Definition at line 52 of file handlers.c.

References Ignore_Event::added, Ignore_Event::response_type, Ignore_Event::sequence, SLIST_END, SLIST_FIRST, SLIST_FOREACH, SLIST_NEXT, and SLIST_REMOVE.

Referenced by handle_enter_notify(), handle_event(), and xcb_prepare_cb().

handle_class_change()

static bool handle_class_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1170 of file handlers.c.

References remanage_window(), Con::window, and window_update_class().

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handle_client_message()

static void handle_client_message ( xcb_client_message_event_t *  event )

static

Definition at line 655 of file handlers.c.

References _NET_MOVERESIZE_WINDOW_HEIGHT, _NET_MOVERESIZE_WINDOW_WIDTH, _NET_MOVERESIZE_WINDOW_X, _NET_MOVERESIZE_WINDOW_Y, _NET_WM_MOVERESIZE_MOVE, _NET_WM_MOVERESIZE_SIZE_LEFT, _NET_WM_MOVERESIZE_SIZE_TOPLEFT, _NET_WM_STATE_ADD, _NET_WM_STATE_REMOVE, _NET_WM_STATE_TOGGLE, CF_NONE, CF_OUTPUT, con_activate_unblock(), con_by_window_id(), con_get_workspace(), con_is_floating(), con_is_internal(), con_move_to_workspace(), con_set_urgency(), con_toggle_fullscreen(), config, conn, Config::default_border_width, DLOG, ELOG, ewmh_get_workspace_by_index(), ewmh_update_sticky(), ewmh_update_wm_desktop(), Con::floating, floating_drag_window(), floating_enable(), floating_resize_window(), Config::focus_on_window_activation, focused, focused_id, FREE, Con::fullscreen_mode, handle_configure_request(), Window::id, KILL_WINDOW, last_timestamp, LOG, Con::name, NET_WM_DESKTOP_ALL, output_push_sticky_windows(), Con::parent, Con::rect, render_deco_height(), scalloc(), scratchpad_show(), sndisplay, Con::sticky, sync_respond(), tree_close_internal(), tree_render(), Con::urgent, Con::window, workspace_get(), workspace_is_visible(), workspace_show(), Rect::x, and Rect::y.

Referenced by handle_event().

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handle_clientleader_change()

static bool handle_clientleader_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1002 of file handlers.c.

References Con::window, and window_update_leader().

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handle_configure_notify()

static void handle_configure_notify ( xcb_configure_notify_event_t *  event )

static

Definition at line 1136 of file handlers.c.

References DLOG, force_xinerama, ipc_send_event(), randr_query_outputs(), and root.

Referenced by handle_event().

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handle_configure_request()

static void handle_configure_request ( xcb_configure_request_event_t *  event )

static

Definition at line 277 of file handlers.c.

References Con::border_style, Con::border_width, BS_NORMAL, xoutput::con, con_activate_unblock(), con_attach(), con_border_style_rect(), con_by_window_id(), con_detach(), con_for_window(), con_get_fullscreen_covering_ws(), con_get_output(), con_get_workspace(), con_is_floating(), con_is_leaf(), con_set_urgency(), config, conn, COPY_MASK_MEMBER, Con::deco_rect, DLOG, fake_absolute_configure_notify(), floating_reposition(), Config::focus_on_window_activation, Con::geometry, get_output_containing(), Rect::height, Con::name, output_primary_name(), Con::parent, Con::rect, tree_render(), Con::type, Rect::width, Con::window, workspace_is_visible(), workspace_show(), Rect::x, Rect::y, and y.

Referenced by handle_client_message(), and handle_event().

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handle_destroy_notify_event()

static void handle_destroy_notify_event ( xcb_destroy_notify_event_t *  event )

static

Definition at line 535 of file handlers.c.

References DLOG, and handle_unmap_notify_event().

Referenced by handle_event().

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handle_enter_notify()

static void handle_enter_notify ( xcb_enter_notify_event_t *  event )

static

Definition at line 124 of file handlers.c.

References check_crossing_screen_boundary(), con_by_frame_id(), con_by_window_id(), con_descend_focused(), con_focus(), con_get_workspace(), config, Con::deco_rect, Config::disable_focus_follows_mouse, DLOG, event_is_ignored(), focused, focused_id, L_DEFAULT, last_timestamp, Con::layout, LOG, Con::name, Con::parent, rect_contains(), TAILQ_FOREACH_REVERSE, tree_render(), Con::type, and workspace_show().

Referenced by handle_event().

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handle_event()

void handle_event	(	int	type,
		xcb_generic_event_t *	event
	)

Takes an xcb_generic_event_t and calls the appropriate handler, based on the event type.

Definition at line 1378 of file handlers.c.

References add_ignore_event(), con_by_window_id(), conn, DLOG, event_is_ignored(), grab_all_keys(), handle_button_press(), handle_client_message(), handle_configure_notify(), handle_configure_request(), handle_destroy_notify_event(), handle_enter_notify(), handle_expose_event(), handle_focus_in(), handle_focus_out(), handle_key_press(), handle_map_request(), handle_mapping_notify(), handle_motion_notify(), handle_screen_change(), handle_selection_clear(), handle_unmap_notify_event(), keysyms, last_timestamp, load_keymap(), LOG, property_notify(), randr_base, shape_base, shape_supported, state, translate_keysyms(), ungrab_all_keys(), x_set_shape(), xkb_base, and xkb_current_group.

Referenced by drain_drag_events(), main(), and xcb_prepare_cb().

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handle_expose_event()

static void handle_expose_event ( xcb_expose_event_t *  event )

static

Definition at line 616 of file handlers.c.

References con_by_frame_id(), conn, DLOG, draw_util_copy_surface(), Con::frame, Con::frame_buffer, Rect::height, LOG, Con::rect, and Rect::width.

Referenced by handle_event().

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handle_focus_in()

static void handle_focus_in ( xcb_focus_in_event_t *  event )

static

Definition at line 1013 of file handlers.c.

References con_activate_unblock(), con_by_window_id(), con_focus(), con_inside_floating(), croot, DLOG, focused, focused_id, Con::name, Con::parent, root, tree_render(), Con::type, Con::window, and x_push_changes().

Referenced by handle_event().

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handle_focus_out()

static void handle_focus_out ( xcb_focus_in_event_t *  event )

static

Definition at line 1065 of file handlers.c.

References con_by_window_id(), DLOG, Con::name, and root.

Referenced by handle_event().

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handle_hints()

static bool handle_hints ( Con *  con, xcb_get_property_reply_t *  reply  )

static

Definition at line 977 of file handlers.c.

References con_set_urgency(), tree_render(), Con::window, and window_update_hints().

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handle_i3_floating()

static bool handle_i3_floating ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1267 of file handlers.c.

References DLOG, and remanage_window().

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handle_machine_change()

static bool handle_machine_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1180 of file handlers.c.

References remanage_window(), Con::window, and window_update_machine().

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handle_map_request()

static void handle_map_request ( xcb_map_request_event_t *  event )

static

Definition at line 258 of file handlers.c.

References add_ignore_event(), conn, DLOG, and manage_window().

Referenced by handle_event().

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handle_mapping_notify()

static void handle_mapping_notify ( xcb_mapping_notify_event_t *  event )

static

Definition at line 239 of file handlers.c.

References aio_get_mod_mask_for(), conn, DLOG, grab_all_keys(), keysyms, translate_keysyms(), ungrab_all_keys(), XCB_NUM_LOCK, and xcb_numlock_mask.

Referenced by handle_event().

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handle_motif_hints_change()

static bool handle_motif_hints_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1190 of file handlers.c.

References Con::border_style, BS_NORMAL, con_set_border_style(), croot, Con::current_border_width, DLOG, Con::window, window_update_motif_hints(), and x_push_changes().

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handle_motion_notify()

static void handle_motion_notify ( xcb_motion_notify_event_t *  event )

static

Definition at line 197 of file handlers.c.

References check_crossing_screen_boundary(), con_by_frame_id(), con_focus(), config, croot, Con::deco_rect, Config::disable_focus_follows_mouse, DLOG, L_DEFAULT, L_SPLITH, L_SPLITV, last_timestamp, Con::layout, rect_contains(), TAILQ_FIRST, TAILQ_FOREACH_REVERSE, and x_push_changes().

Referenced by handle_event().

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handle_normal_hints()

static bool handle_normal_hints ( Con *  con, xcb_get_property_reply_t *  reply  )

static

Definition at line 958 of file handlers.c.

References con_inside_floating(), floating_check_size(), FREE, tree_render(), Con::window, and window_update_normal_hints().

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handle_screen_change()

static void handle_screen_change ( xcb_generic_event_t *  e )

static

Definition at line 436 of file handlers.c.

References conn, croot, DLOG, ELOG, Rect::height, ipc_send_event(), randr_query_outputs(), Con::rect, root, scratchpad_fix_resolution(), and Rect::width.

Referenced by handle_event().

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handle_selection_clear()

static void handle_selection_clear ( xcb_selection_clear_event_t *  event )

static

Definition at line 1155 of file handlers.c.

References DLOG, LOG, and wm_sn.

Referenced by handle_event().

handle_strut_partial_change()

static bool handle_strut_partial_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1208 of file handlers.c.

References reservedpx::bottom, con_attach(), con_detach(), con_for_window(), con_get_output(), croot, DLOG, Window::dock, Con::geometry, Rect::height, Con::name, Con::parent, Con::rect, Window::reserved, reservedpx::top, tree_render(), Con::type, Con::window, window_update_strut_partial(), and Rect::y.

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handle_transient_for()

static bool handle_transient_for ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 992 of file handlers.c.

References Con::window, and window_update_transient_for().

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handle_unmap_notify_event()

static void handle_unmap_notify_event ( xcb_unmap_notify_event_t *  event )

static

Definition at line 464 of file handlers.c.

References add_ignore_event(), con_by_frame_id(), con_by_window_id(), conn, DLOG, DONT_KILL_WINDOW, Con::ignore_unmap, LOG, tree_close_internal(), and tree_render().

Referenced by handle_destroy_notify_event(), and handle_event().

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handle_window_type()

static bool handle_window_type ( Con *  con, xcb_get_property_reply_t *  reply  )

static

Definition at line 946 of file handlers.c.

References Con::window, and window_update_type().

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handle_windowicon_change()

static bool handle_windowicon_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 1275 of file handlers.c.

References croot, Con::window, window_update_icon(), and x_push_changes().

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handle_windowname_change()

static bool handle_windowname_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 561 of file handlers.c.

References croot, FREE, i3string_as_utf8(), ipc_send_window_event(), Window::name, remanage_window(), sstrdup(), Con::window, window_name_changed(), window_update_name(), and x_push_changes().

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handle_windowname_change_legacy()

static bool handle_windowname_change_legacy ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 583 of file handlers.c.

References croot, FREE, i3string_as_utf8(), ipc_send_window_event(), Window::name, remanage_window(), sstrdup(), Con::window, window_name_changed(), window_update_name_legacy(), and x_push_changes().

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handle_windowrole_change()

static bool handle_windowrole_change ( Con *  con, xcb_get_property_reply_t *  prop  )

static

Definition at line 604 of file handlers.c.

References remanage_window(), Con::window, and window_update_role().

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property_handlers_init()

void property_handlers_init

(

void

)

Sets the appropriate atoms for the property handlers after the atoms were received from X11.

Definition at line 1315 of file handlers.c.

References property_handler_t::atom, conn_screen, property_handlers, sndisplay, and startup_monitor_event().

Referenced by main().

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property_notify()

static void property_notify ( uint8_t  state, xcb_window_t  window, xcb_atom_t  atom  )

static

Definition at line 1334 of file handlers.c.

References property_handler_t::atom, property_handler_t::cb, con_by_window_id(), conn, DLOG, FREE, property_handler_t::long_len, NUM_HANDLERS, property_handlers, state, and Con::window.

Referenced by handle_event().

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SLIST_HEAD()

static SLIST_HEAD ( ignore_head  , Ignore_Event    )

static

Definition at line 28 of file handlers.c.

References Ignore_Event::response_type, Ignore_Event::sequence, SLIST_INSERT_HEAD, and smalloc().

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window_name_changed()

static bool window_name_changed ( i3Window *  window, char *  old_name  )

static

Definition at line 546 of file handlers.c.

References i3string_as_utf8(), and Window::name.

Referenced by handle_windowname_change(), and handle_windowname_change_legacy().

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Variable Documentation

property_handlers

struct property_handler_t property_handlers[]

static

Initial value:

= {
    {0, 128, handle_windowname_change},
    {0, UINT_MAX, handle_hints},
    {0, 128, handle_windowname_change_legacy},
    {0, UINT_MAX, handle_normal_hints},
    {0, UINT_MAX, handle_clientleader_change},
    {0, UINT_MAX, handle_transient_for},
    {0, 128, handle_windowrole_change},
    {0, 128, handle_class_change},
    {0, UINT_MAX, handle_strut_partial_change},
    {0, UINT_MAX, handle_window_type},
    {0, UINT_MAX, handle_i3_floating},
    {0, 128, handle_machine_change},
    {0, 5 * sizeof(uint64_t), handle_motif_hints_change},
    {0, UINT_MAX, handle_windowicon_change}}

Definition at line 1285 of file handlers.c.

Referenced by property_handlers_init(), and property_notify().

randr_base

int randr_base = -1

Definition at line 20 of file handlers.c.

Referenced by handle_event(), and main().

shape_base

int shape_base = -1

Definition at line 23 of file handlers.c.

Referenced by handle_event(), and main().

xkb_base

int xkb_base = -1

Definition at line 21 of file handlers.c.

Referenced by handle_event(), and main().

xkb_current_group

int xkb_current_group

Definition at line 22 of file handlers.c.

Referenced by binding_in_current_group(), and handle_event().