68 lines
2.0 KiB
C
68 lines
2.0 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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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* xcursor.c: libXcursor support for themed cursors.
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*
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*/
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#include <assert.h>
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#include <X11/Xcursor/Xcursor.h>
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#include <X11/cursorfont.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 Cursor 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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static Cursor load_cursor(const char *name) {
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Cursor c = XcursorLibraryLoadCursor(xlibdpy, name);
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if (c == None)
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xcursor_supported = false;
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return c;
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}
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void xcursor_load_cursors() {
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cursors[XCURSOR_CURSOR_POINTER] = load_cursor("left_ptr");
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cursors[XCURSOR_CURSOR_RESIZE_HORIZONTAL] = load_cursor("sb_h_double_arrow");
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cursors[XCURSOR_CURSOR_RESIZE_VERTICAL] = load_cursor("sb_v_double_arrow");
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cursors[XCURSOR_CURSOR_WATCH] = load_cursor("watch");
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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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* We have a separate xcursor function to use the same X11 connection as the
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* xcursor_load_cursors() function. If we mix the Xlib and the XCB connection,
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* races might occur (even though we flush the Xlib connection).
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*
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*/
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void xcursor_set_root_cursor(int cursor_id) {
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XSetWindowAttributes attributes;
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attributes.cursor = xcursor_get_cursor(cursor_id);
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XChangeWindowAttributes(xlibdpy, DefaultRootWindow(xlibdpy), CWCursor, &attributes);
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XFlush(xlibdpy);
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}
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Cursor 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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