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/*
* vim:ts=8:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* (c) 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#ifndef _XCB_H
#define _XCB_H
#include "data.h"
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
/** This is the equivalent of XC_left_ptr. I’m not sure why xcb doesn’t have a
* constant for that. */
#define XCB_CURSOR_LEFT_PTR 68
#define XCB_CURSOR_SB_H_DOUBLE_ARROW 108
#define XCB_CURSOR_SB_V_DOUBLE_ARROW 116
/* from X11/keysymdef.h */
#define XCB_NUM_LOCK 0xff7f
/* The event masks are defined here because we don’t only set them once but we
need to set slight variations of them (without XCB_EVENT_MASK_ENTER_WINDOW
while rendering the layout) */
/** The XCB_CW_EVENT_MASK for the child (= real window) */
#define CHILD_EVENT_MASK (XCB_EVENT_MASK_PROPERTY_CHANGE | \
XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
XCB_EVENT_MASK_ENTER_WINDOW)
/** The XCB_CW_EVENT_MASK for its frame */
#define FRAME_EVENT_MASK (XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed/released */ \
XCB_EVENT_MASK_BUTTON_RELEASE | \
XCB_EVENT_MASK_EXPOSURE | /* …our window needs to be redrawn */ \
XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* …the frame gets destroyed */ \
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | /* …the application tries to resize itself */ \
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | /* …subwindows get notifies */ \
XCB_EVENT_MASK_ENTER_WINDOW) /* …user moves cursor inside our window */
enum { _NET_SUPPORTED = 0,
_NET_SUPPORTING_WM_CHECK,
_NET_WM_NAME,
_NET_WM_STATE_FULLSCREEN,
_NET_WM_STATE,
_NET_WM_WINDOW_TYPE,
_NET_WM_WINDOW_TYPE_DOCK,
_NET_WM_WINDOW_TYPE_DIALOG,
_NET_WM_WINDOW_TYPE_UTILITY,
_NET_WM_WINDOW_TYPE_TOOLBAR,
_NET_WM_WINDOW_TYPE_SPLASH,
_NET_WM_DESKTOP,
_NET_WM_STRUT_PARTIAL,
WM_PROTOCOLS,
WM_DELETE_WINDOW,
UTF8_STRING,
WM_STATE,
WM_CLIENT_LEADER,
_NET_CURRENT_DESKTOP,
_NET_ACTIVE_WINDOW,
_NET_WORKAREA
};
extern unsigned int xcb_numlock_mask;
/**
* Loads a font for usage, getting its height. This function is used very
* often, so it maintains a cache.
*
*/
i3Font *load_font(xcb_connection_t *conn, const char *pattern);
/**
* Returns the colorpixel to use for the given hex color (think of HTML).
*
* The hex_color has to start with #, for example #FF00FF.
*
* NOTE that get_colorpixel() does _NOT_ check the given color code for
* validity. This has to be done by the caller.
*
*/
uint32_t get_colorpixel(xcb_connection_t *conn, char *hex);
/**
* Convenience wrapper around xcb_create_window which takes care of depth,
* generating an ID and checking for errors.
*
*/
xcb_window_t create_window(xcb_connection_t *conn, Rect r, uint16_t window_class,
int cursor, bool map, uint32_t mask, uint32_t *values);
/**
* Changes a single value in the graphic context (so one doesn’t have to
* define an array of values)
*
*/
void xcb_change_gc_single(xcb_connection_t *conn, xcb_gcontext_t gc,
uint32_t mask, uint32_t value);
/**
* Draws a line from x,y to to_x,to_y using the given color
*
*/
void xcb_draw_line(xcb_connection_t *conn, xcb_drawable_t drawable,
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
uint32_t y, uint32_t to_x, uint32_t to_y);
/**
* Draws a rectangle from x,y with width,height using the given color
*
*/
void xcb_draw_rect(xcb_connection_t *conn, xcb_drawable_t drawable,
xcb_gcontext_t gc, uint32_t colorpixel, uint32_t x,
uint32_t y, uint32_t width, uint32_t height);
/**
* Generates a configure_notify event and sends it to the given window
* Applications need this to think they’ve configured themselves correctly.
* The truth is, however, that we will manage them.
*
*/
void fake_configure_notify(xcb_connection_t *conn, Rect r, xcb_window_t window);
/**
* Generates a configure_notify_event with absolute coordinates (relative to
* the X root window, not to the client’s frame) for the given client.
*
*/
void fake_absolute_configure_notify(xcb_connection_t *conn, Client *client);
/**
* Finds out which modifier mask is the one for numlock, as the user may
* change this.
*
*/
void xcb_get_numlock_mask(xcb_connection_t *conn);
/**
* Raises the given window (typically client->frame) above all other windows
*
*/
void xcb_raise_window(xcb_connection_t *conn, xcb_window_t window);
/**
*
* Prepares the given Cached_Pixmap for usage (checks whether the size of the
* object this pixmap is related to (e.g. a window) has changed and re-creates
* the pixmap if so).
*
*/
void cached_pixmap_prepare(xcb_connection_t *conn, struct Cached_Pixmap *pixmap);
/**
* Calculate the width of the given text (16-bit characters, UCS) with given
* real length (amount of glyphs) using the given font.
*
*/
int predict_text_width(xcb_connection_t *conn, const char *font_pattern, char *text,
int length);
/**
* Configures the given window to have the size/position specified by given rect
*
*/
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r);
#endif
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