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glfw: force init in Cursor.zig

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InKryption 2021-11-21 16:41:12 +01:00 • committed by Stephen Gutekanst
parent fba8bb1cb2
commit de1e6391c6
1 changed files with 21 additions and 5 deletions
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26
glfw/src/Cursor.zig
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@ -8,6 +8,8 @@ const Error = @import("errors.zig").Error;
const getError = @import("errors.zig").getError;
const Image = @import("Image.zig");
const internal_debug = @import("internal_debug.zig");
const Cursor = @This();
ptr: *c.GLFWcursor,
@ -58,10 +60,14 @@ pub const Shape = enum(isize) {
/// @thread_safety This function must only be called from the main thread.
///
/// see also: cursor_object, glfw.Cursor.destroy, glfw.Cursor.createStandard
pub inline fn create(image: Image, xhot: isize, yhot: isize) Error!Cursor {
pub inline fn create(image: Image, xhot: isize, yhot: isize) error{ PlatformError }!Cursor {
internal_debug.assertInitialized();
const img = image.toC();
const cursor = c.glfwCreateCursor(&img, @intCast(c_int, xhot), @intCast(c_int, yhot));
try getError();
getError() catch |err| return switch (err) {
Error.PlatformError => err,
else => unreachable,
};
return Cursor{ .ptr = cursor.? };
}
@ -74,9 +80,15 @@ pub inline fn create(image: Image, xhot: isize, yhot: isize) Error!Cursor {
/// @thread_safety This function must only be called from the main thread.
///
/// see also: cursor_object, glfwCreateCursor
pub inline fn createStandard(shape: Shape) Error!Cursor {
pub inline fn createStandard(shape: Shape) error{ InvalidEnum, PlatformError }!Cursor {
internal_debug.assertInitialized();
const cursor = c.glfwCreateStandardCursor(@intCast(c_int, @enumToInt(shape)));
try getError();
getError() catch |err| return switch (err) {
// TODO: should be impossible given that only the values in 'Shape' are available, unless the user explicitly gives us a bad value via casting
Error.InvalidEnum => unreachable,
Error.PlatformError => err,
else => unreachable,
};
return Cursor{ .ptr = cursor.? };
}
@ -96,8 +108,12 @@ pub inline fn createStandard(shape: Shape) Error!Cursor {
///
/// see also: cursor_object, glfw.createCursor
pub inline fn destroy(self: Cursor) void {
internal_debug.assertInitialized();
c.glfwDestroyCursor(self.ptr);
getError() catch {}; // what would anyone do with it anyway?
getError() catch |err| return switch (err) {
Error.PlatformError => {}, // TODO: See 'todo' in 'internal_debug.zig' concerning 'PlatformError'
else => unreachable,
};
}
test "create" {