Merge pull request #3497 from stapelberg/clang-format

[i3/i3] / src / xcursor.c

diff --git a/src/xcursor.c b/src/xcursor.c
index 2e21aab1b38ba0b66fe9b5b78f67c96c884fa79c..cbfe808bcd11e625909db179fe9d68e787ceba20 100644 (file)
--- a/src/xcursor.c
+++ b/src/xcursor.c
@@ -1,42 +1,70 @@
+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
+ *
+ * xcursor.c: xcursor support for themed cursors.
+ *
+ */
+#include <config.h>
+
 #include <assert.h>
-#include <X11/Xcursor/Xcursor.h>
-#include <X11/cursorfont.h>
+#include <xcb/xcb_cursor.h>
 
 #include "i3.h"
 #include "xcb.h"
 #include "xcursor.h"
 
-static Cursor cursors[XCURSOR_CURSOR_MAX];
+static xcb_cursor_context_t *ctx;
+static xcb_cursor_t cursors[XCURSOR_CURSOR_MAX];
 
 static const int xcb_cursors[XCURSOR_CURSOR_MAX] = {
     XCB_CURSOR_LEFT_PTR,
     XCB_CURSOR_SB_H_DOUBLE_ARROW,
-    XCB_CURSOR_SB_V_DOUBLE_ARROW
-};
-
-static Cursor load_cursor(const char *name, int font)
-{
-    Cursor c = XcursorLibraryLoadCursor(xlibdpy, name);
-    if (c == None)
-        c = XCreateFontCursor(xlibdpy, font);
-    return c;
+    XCB_CURSOR_SB_V_DOUBLE_ARROW,
+    XCB_CURSOR_WATCH};
+
+void xcursor_load_cursors(void) {
+    if (xcb_cursor_context_new(conn, root_screen, &ctx) < 0) {
+        ELOG("xcursor support unavailable\n");
+        xcursor_supported = false;
+        return;
+    }
+#define LOAD_CURSOR(constant, name)                            \
+    do {                                                       \
+        cursors[constant] = xcb_cursor_load_cursor(ctx, name); \
+    } while (0)
+    LOAD_CURSOR(XCURSOR_CURSOR_POINTER, "left_ptr");
+    LOAD_CURSOR(XCURSOR_CURSOR_RESIZE_HORIZONTAL, "sb_h_double_arrow");
+    LOAD_CURSOR(XCURSOR_CURSOR_RESIZE_VERTICAL, "sb_v_double_arrow");
+    LOAD_CURSOR(XCURSOR_CURSOR_WATCH, "watch");
+    LOAD_CURSOR(XCURSOR_CURSOR_MOVE, "fleur");
+    LOAD_CURSOR(XCURSOR_CURSOR_TOP_LEFT_CORNER, "top_left_corner");
+    LOAD_CURSOR(XCURSOR_CURSOR_TOP_RIGHT_CORNER, "top_right_corner");
+    LOAD_CURSOR(XCURSOR_CURSOR_BOTTOM_LEFT_CORNER, "bottom_left_corner");
+    LOAD_CURSOR(XCURSOR_CURSOR_BOTTOM_RIGHT_CORNER, "bottom_right_corner");
+#undef LOAD_CURSOR
 }
 
-void xcursor_load_cursors()
-{
-    cursors[XCURSOR_CURSOR_POINTER] = load_cursor("left_ptr", XC_left_ptr);
-    cursors[XCURSOR_CURSOR_RESIZE_HORIZONTAL] = load_cursor("sb_h_double_arrow", XC_sb_h_double_arrow);
-    cursors[XCURSOR_CURSOR_RESIZE_VERTICAL] = load_cursor("sb_v_double_arrow", XC_sb_v_double_arrow);
+/*
+ * Sets the cursor of the root window to the 'pointer' cursor.
+ *
+ * This function is called when i3 is initialized, because with some login
+ * managers, the root window will not have a cursor otherwise.
+ *
+ */
+void xcursor_set_root_cursor(int cursor_id) {
+    xcb_change_window_attributes(conn, root, XCB_CW_CURSOR,
+                                 (uint32_t[]){xcursor_get_cursor(cursor_id)});
 }
 
-Cursor xcursor_get_cursor(enum xcursor_cursor_t c)
-{
-    assert(c >= 0 && c < XCURSOR_CURSOR_MAX);
+xcb_cursor_t xcursor_get_cursor(enum xcursor_cursor_t c) {
+    assert(c < XCURSOR_CURSOR_MAX);
     return cursors[c];
 }
 
-int xcursor_get_xcb_cursor(enum xcursor_cursor_t c)
-{
-    assert(c >= 0 && c < XCURSOR_CURSOR_MAX);
+int xcursor_get_xcb_cursor(enum xcursor_cursor_t c) {
+    assert(c < XCURSOR_CURSOR_MAX);
     return xcb_cursors[c];
 }