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glfw: add enum for standard cursor shapes

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-10-22 00:14:13 -07:00 • committed by Stephen Gutekanst
parent b50cbba83f
commit 0f6efa4bc0
1 changed files with 17 additions and 20 deletions
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37
glfw/src/Cursor.zig
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@ -12,26 +12,26 @@ const Cursor = @This();
ptr: *c.GLFWcursor, ptr: *c.GLFWcursor,
// TODO(enum)
// Standard system cursor shapes. // Standard system cursor shapes.
/// The regular arrow cursor shape. const Shape = enum(isize) {
pub const arrow_cursor = c.GLFW_ARROW_CURSOR; /// The regular arrow cursor shape.
arrow = c.GLFW_ARROW_CURSOR,
/// The text input I-beam cursor shape. /// The text input I-beam cursor shape.
pub const ibeam_cursor = c.GLFW_IBEAM_CURSOR; ibeam = c.GLFW_IBEAM_CURSOR,
/// The crosshair shape. /// The crosshair shape.
pub const crosshair_cursor = c.GLFW_CROSSHAIR_CURSOR; crosshair = c.GLFW_CROSSHAIR_CURSOR,
/// The hand shape. /// The hand shape.
pub const hand_cursor = c.GLFW_HAND_CURSOR; hand = c.GLFW_HAND_CURSOR,
/// The horizontal resize arrow shape. /// The horizontal resize arrow shape.
pub const hresize_cursor = c.GLFW_HRESIZE_CURSOR; hresize = c.GLFW_HRESIZE_CURSOR,
/// The vertical resize arrow shape. /// The vertical resize arrow shape.
pub const vresize_cursor = c.GLFW_VRESIZE_CURSOR; vresize = c.GLFW_VRESIZE_CURSOR,
};
/// Creates a custom cursor. /// Creates a custom cursor.
/// ///
@ -69,16 +69,13 @@ pub inline fn create(image: Image, xhot: isize, yhot: isize) Error!Cursor {
/// ///
/// Returns a cursor with a standard shape (see shapes), that can be set for a window with glfw.Window.setCursor. /// Returns a cursor with a standard shape (see shapes), that can be set for a window with glfw.Window.setCursor.
/// ///
/// @param[in] shape One of the standard shapes (see shapes).
/// @return A new cursor ready to use.
///
/// Possible errors include glfw.Error.NotInitialized, glfw.Error.InvalidEnum and glfw.Error.PlatformError. /// Possible errors include glfw.Error.NotInitialized, glfw.Error.InvalidEnum and glfw.Error.PlatformError.
/// ///
/// @thread_safety This function must only be called from the main thread. /// @thread_safety This function must only be called from the main thread.
/// ///
/// see also: cursor_object, glfwCreateCursor /// see also: cursor_object, glfwCreateCursor
pub inline fn createStandard(shape: isize) Error!Cursor { pub inline fn createStandard(shape: Shape) Error!Cursor {
const cursor = c.glfwCreateStandardCursor(@intCast(c_int, shape)); const cursor = c.glfwCreateStandardCursor(@intCast(c_int, @enumToInt(shape)));
try getError(); try getError();
return Cursor{ .ptr = cursor.? }; return Cursor{ .ptr = cursor.? };
} }
@ -125,7 +122,7 @@ test "createStandard" {
try glfw.init(); try glfw.init();
defer glfw.terminate(); defer glfw.terminate();
const cursor = glfw.Cursor.createStandard(glfw.Cursor.ibeam_cursor) catch |err| { const cursor = glfw.Cursor.createStandard(.ibeam) catch |err| {
std.debug.print("failed to create cursor, custom cursors not supported? error={}\n", .{err}); std.debug.print("failed to create cursor, custom cursors not supported? error={}\n", .{err});
return; return;
}; };