47be36410c
According to libxcb-cursor code, the only condition in which xcb_cursor_context_new() returns a non-zero result is a memory allocation failure[1]. Thus, it is safe to assume that xcursor_supported is always true, and remove dead code. [1]: https://gitlab.freedesktop.org/xorg/lib/libxcb-cursor/blob/0.1.3/cursor/cursor.c#L131-132
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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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 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 <config.h>
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#include <assert.h>
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#include <err.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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void xcursor_load_cursors(void) {
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if (xcb_cursor_context_new(conn, root_screen, &ctx) < 0) {
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errx(EXIT_FAILURE, "Cannot allocate xcursor context");
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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 < XCURSOR_CURSOR_MAX);
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return cursors[c];
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}
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