227 lines
7.1 KiB
C
227 lines
7.1 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* © 2009-2010 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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*/
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#ifndef _HANDLERS_H
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#define _HANDLERS_H
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#include <xcb/randr.h>
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extern int randr_base;
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/**
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* Takes an xcb_generic_event_t and calls the appropriate handler, based on the
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* event type.
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*
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*/
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void handle_event(int type, xcb_generic_event_t *event);
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/**
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* Requests the property and invokes the appropriate callback.
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*
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*/
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int property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom);
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/**
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* Sets the appropriate atoms for the property handlers after the atoms were
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* received from X11
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*
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*/
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void property_handlers_init();
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/**
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* There was a key press. We compare this key code with our bindings table and
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* pass the bound action to parse_command().
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*
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*/
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int handle_key_press(void *ignored, xcb_connection_t *conn,
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xcb_key_press_event_t *event);
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/**
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* When the user moves the mouse pointer onto a window, this callback gets
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* called.
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*
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*/
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int handle_enter_notify(void *ignored, xcb_connection_t *conn,
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xcb_enter_notify_event_t *event);
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/**
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* When the user moves the mouse but does not change the active window
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* (e.g. when having no windows opened but moving mouse on the root screen
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* and crossing virtual screen boundaries), this callback gets called.
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*
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*/
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int handle_motion_notify(void *ignored, xcb_connection_t *conn,
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xcb_motion_notify_event_t *event);
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/**
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* Called when the keyboard mapping changes (for example by using Xmodmap),
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* we need to update our key bindings then (re-translate symbols).
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*
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*/
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int handle_mapping_notify(void *ignored, xcb_connection_t *conn,
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xcb_mapping_notify_event_t *event);
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/**
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* Checks if the button press was on a stack window, handles focus setting and
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* returns true if so, or false otherwise.
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*
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*/
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int handle_button_press(void *ignored, xcb_connection_t *conn,
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xcb_button_press_event_t *event);
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/**
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* A new window appeared on the screen (=was mapped), so let’s manage it.
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*
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*/
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int handle_map_request(void *prophs, xcb_connection_t *conn,
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xcb_map_request_event_t *event);
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/**
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* Configuration notifies are only handled because we need to set up ignore
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* for the following enter notify events
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*
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*/
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int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event);
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/**
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* Gets triggered upon a RandR screen change event, that is when the user
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* changes the screen configuration in any way (mode, position, …)
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*
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*/
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int handle_screen_change(void *prophs, xcb_connection_t *conn,
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xcb_generic_event_t *e);
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/**
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* Configure requests are received when the application wants to resize
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* windows on their own.
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*
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* We generate a synthethic configure notify event to signalize the client its
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* "new" position.
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*
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*/
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int handle_configure_request(void *prophs, xcb_connection_t *conn,
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xcb_configure_request_event_t *event);
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/**
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* Our window decorations were unmapped. That means, the window will be killed
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* now, so we better clean up before.
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*
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*/
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int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event);
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/**
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* A destroy notify event is sent when the window is not unmapped, but
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* immediately destroyed (for example when starting a window and immediately
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* killing the program which started it).
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*
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* We just pass on the event to the unmap notify handler (by copying the
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* important fields in the event data structure).
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*
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*/
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int handle_destroy_notify_event(void *data, xcb_connection_t *conn,
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xcb_destroy_notify_event_t *event);
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/**
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* Called when a window changes its title
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*
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*/
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int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
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xcb_window_t window, xcb_atom_t atom,
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xcb_get_property_reply_t *prop);
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/**
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* We handle legacy window names (titles) which are in COMPOUND_TEXT
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* encoding. However, we just pass them along, so when containing non-ASCII
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* characters, those will be rendering incorrectly. In order to correctly
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* render unicode window titles in i3, an application has to set _NET_WM_NAME,
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* which is in UTF-8 encoding.
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*
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* On every update, a message is put out to the user, so he may improve the
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* situation and update applications which display filenames in their title to
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* correctly use _NET_WM_NAME and therefore support unicode.
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*
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*/
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int handle_windowname_change_legacy(void *data, xcb_connection_t *conn,
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uint8_t state, xcb_window_t window,
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xcb_atom_t atom, xcb_get_property_reply_t
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*prop);
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/**
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* Store the window classes for jumping to them later.
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*
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*/
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int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
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xcb_window_t window, xcb_atom_t atom,
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xcb_get_property_reply_t *prop);
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/**
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* Expose event means we should redraw our windows (= title bar)
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*
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*/
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int handle_expose_event(void *data, xcb_connection_t *conn,
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xcb_expose_event_t *event);
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/**
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* Handle client messages (EWMH)
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*
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*/
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int handle_client_message(void *data, xcb_connection_t *conn,
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xcb_client_message_event_t *event);
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/**
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* Handles _NET_WM_WINDOW_TYPE changes
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*
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*/
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int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state,
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xcb_window_t window, xcb_atom_t atom,
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xcb_get_property_reply_t *property);
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/**
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* Handles the size hints set by a window, but currently only the part
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* necessary for displaying clients proportionally inside their frames
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* (mplayer for example)
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*
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* See ICCCM 4.1.2.3 for more details
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*
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*/
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int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state,
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xcb_window_t window, xcb_atom_t name,
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xcb_get_property_reply_t *reply);
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/**
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* Handles the WM_HINTS property for extracting the urgency state of the window.
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*
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*/
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int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
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xcb_atom_t name, xcb_get_property_reply_t *reply);
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/**
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* Handles the transient for hints set by a window, signalizing that this
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* window is a popup window for some other window.
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*
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* See ICCCM 4.1.2.6 for more details
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*
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*/
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int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state,
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xcb_window_t window, xcb_atom_t name,
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xcb_get_property_reply_t *reply);
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/**
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* Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
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* toolwindow (or similar) and to which window it belongs (logical parent).
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*
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*/
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int handle_clientleader_change(void *data, xcb_connection_t *conn,
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uint8_t state, xcb_window_t window,
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xcb_atom_t name, xcb_get_property_reply_t *prop);
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#endif
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