mirror of
https://github.com/awesomeWM/awesome
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139 lines
5 KiB
C
139 lines
5 KiB
C
/*
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* common/xutil.h - X-related useful functions header
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*
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* Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AWESOME_COMMON_XUTIL_H
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#define AWESOME_COMMON_XUTIL_H
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#include <stdbool.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_keysyms.h>
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#include <xcb/xcb_aux.h>
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#include <xcb/xcb_event.h>
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/* XCB doesn't provide keysyms definition */
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#include <X11/keysym.h>
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#include "array.h"
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#define CLEANMASK(mask) (mask & ~(globalconf.numlockmask | XCB_MOD_MASK_LOCK))
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/* See http://tronche.com/gui/x/xlib/appendix/b/ for values */
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#define CURSOR_FLEUR 52
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#define CURSOR_LEFT_PTR 68
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#define CURSOR_SIZING 120
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#define CURSOR_BOTTOM_LEFT_CORNER 12
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#define CURSOR_BOTTOM_RIGHT_CORNER 14
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#define CURSOR_TOP_LEFT_CORNER 134
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#define CURSOR_TOP_RIGHT_CORNER 136
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#define CURSOR_DOUBLE_ARROW_HORIZ 108
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#define CURSOR_DOUBLE_ARROW_VERT 116
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#define ANY_KEY 0L /* special Key Code, passed to GrabKey */
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#define ANY_MODIFIER (1<<15) /* used in Grabbutton_t, GrabKey */
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/*****************************************************************
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* ERROR CODES
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*****************************************************************/
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#define Success 0 /* everything's okay */
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#define BadRequest 1 /* bad request code */
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#define BadValue 2 /* int parameter out of range */
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#define BadWindow 3 /* parameter not a Window */
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#define BadPixmap 4 /* parameter not a Pixmap */
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#define BadAtom 5 /* parameter not an Atom */
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#define BadCursor 6 /* parameter not a Cursor */
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#define BadFont 7 /* parameter not a Font */
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#define BadMatch 8 /* parameter mismatch */
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#define BadDrawable 9 /* parameter not a Pixmap or Window */
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#define BadAccess 10 /* depending on context:
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- key/button already grabbed
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- attempt to free an illegal
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cmap entry
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- attempt to store into a read-only
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color map entry.
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- attempt to modify the access control
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list from other than the local host.
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*/
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#define BadAlloc 11 /* insufficient resources */
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#define BadColor 12 /* no such colormap */
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#define BadGC 13 /* parameter not a GC */
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#define BadIDChoice 14 /* choice not in range or already used */
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#define BadName 15 /* font or color name doesn't exist */
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#define BadLength 16 /* Request length incorrect */
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#define BadImplementation 17 /* server is defective */
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#define FirstExtensionError 128
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#define LastExtensionError 255
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/* End of macros not defined in XCB */
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typedef struct
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{
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char *res_name;
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char *res_class;
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} xutil_class_hint_t;
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bool xutil_get_class_hint(xcb_connection_t *, xcb_window_t, xutil_class_hint_t *);
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bool xutil_gettextprop(xcb_connection_t *, xcb_window_t, xcb_atom_t, char **, ssize_t *);
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void xutil_getlockmask(xcb_connection_t *, xcb_key_symbols_t *,
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unsigned int *, unsigned int *, unsigned int *);
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/** Set the same handler for all errors */
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void xutil_set_error_handler_catch_all(xcb_event_handlers_t *,
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xcb_generic_error_handler_t, void *);
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typedef struct
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{
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uint8_t request_code;
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char *request_label;
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char *error_label;
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} xutil_error_t;
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xutil_error_t *xutil_get_error(const xcb_generic_error_t *);
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void xutil_delete_error(xutil_error_t *);
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xcb_keysym_t xutil_keymask_fromstr(const char *);
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unsigned int xutil_button_fromint(int);
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xcb_cursor_t xutil_cursor_new(xcb_connection_t *, unsigned int);
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/* Get the informations about the screen.
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* \param c X connection.
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* \param screen Screen number.
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* \return Screen informations (must not be freed!).
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*/
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static inline xcb_screen_t *
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xutil_screen_get(xcb_connection_t *c, int screen)
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{
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xcb_screen_t *s;
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if(xcb_connection_has_error(c))
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fatal("X connection invalid");
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s = xcb_aux_get_screen(c, screen);
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assert(s);
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return s;
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}
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#endif
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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