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xcursor.c
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#undef I3__FILE__
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#define I3__FILE__ "xcursor.c"
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/*
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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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* © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* xcursor.c: xcursor support for themed cursors.
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*
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*/
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#include <assert.h>
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#include <xcb/xcb_cursor.h>
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#include "
i3.h
"
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#include "
xcb.h
"
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#include "
xcursor.h
"
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static
xcb_cursor_context_t *
ctx
;
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static
xcb_cursor_t
cursors
[
XCURSOR_CURSOR_MAX
];
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static
const
int
xcb_cursors
[
XCURSOR_CURSOR_MAX
] = {
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XCB_CURSOR_LEFT_PTR
,
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XCB_CURSOR_SB_H_DOUBLE_ARROW
,
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XCB_CURSOR_SB_V_DOUBLE_ARROW
,
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XCB_CURSOR_WATCH
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};
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void
xcursor_load_cursors
(
void
) {
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if
(xcb_cursor_context_new(
conn
,
root_screen
, &
ctx
) < 0) {
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ELOG
(
"xcursor support unavailable\n"
);
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xcursor_supported
=
false
;
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return
;
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}
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#define LOAD_CURSOR(constant, name) \
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do { \
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cursors[constant] = xcb_cursor_load_cursor(ctx, name); \
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} while (0)
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LOAD_CURSOR
(
XCURSOR_CURSOR_POINTER
,
"left_ptr"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_RESIZE_HORIZONTAL
,
"sb_h_double_arrow"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_RESIZE_VERTICAL
,
"sb_v_double_arrow"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_WATCH
,
"watch"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_MOVE
,
"fleur"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_TOP_LEFT_CORNER
,
"top_left_corner"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_TOP_RIGHT_CORNER
,
"top_right_corner"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_BOTTOM_LEFT_CORNER
,
"bottom_left_corner"
);
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LOAD_CURSOR
(
XCURSOR_CURSOR_BOTTOM_RIGHT_CORNER
,
"bottom_right_corner"
);
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#undef LOAD_CURSOR
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}
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/*
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* Sets the cursor of the root window to the 'pointer' cursor.
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*
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* This function is called when i3 is initialized, because with some login
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* managers, the root window will not have a cursor otherwise.
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*
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*/
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void
xcursor_set_root_cursor
(
int
cursor_id) {
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xcb_change_window_attributes(
conn
,
root
, XCB_CW_CURSOR,
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(uint32_t[]){
xcursor_get_cursor
(cursor_id) });
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}
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xcb_cursor_t
xcursor_get_cursor
(
enum
xcursor_cursor_t
c) {
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assert(c >= 0 && c <
XCURSOR_CURSOR_MAX
);
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return
cursors
[c];
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}
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int
xcursor_get_xcb_cursor
(
enum
xcursor_cursor_t
c) {
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assert(c >= 0 && c <
XCURSOR_CURSOR_MAX
);
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return
xcb_cursors
[c];
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}
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