glfw: add Window.setMaximizeCallback

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-10-18 00:41:45 -07:00 committed by Stephen Gutekanst
parent 85270f6e3b
commit 32a07888f3

View file

@ -42,6 +42,7 @@ pub const InternalUserPointer = struct {
setRefreshCallback: ?fn (window: Window) void,
setFocusCallback: ?fn (window: Window, focused: bool) void,
setIconifyCallback: ?fn (window: Window, iconified: bool) void,
setMaximizeCallback: ?fn (window: Window, maximized: bool) void,
};
/// Resets all window hints to their default values.
@ -1194,24 +1195,40 @@ pub inline fn setIconifyCallback(self: Window, callback: ?fn (window: Window, ic
getError() catch {};
}
// TODO(window):
fn setMaximizeCallbackWrapper(handle: ?*c.GLFWwindow, maximized: c_int) callconv(.C) void {
const window = from(handle.?) catch unreachable;
const internal = window.getInternal();
internal.setMaximizeCallback.?(window, if (maximized == c.GLFW_TRUE) true else false);
}
// /// Sets the maximize callback for the specified window.
// ///
// /// This function sets the maximization callback of the specified window, which
// /// is called when the window is maximized or restored.
// ///
// /// @param[in] window The window whose callback to set.
// /// @param[in] callback The new callback, or null to remove the currently set
// /// callback.
// ///
// /// @callback_param `window` the window which was maximized or restored.
// /// @callback_param `maximized` `true` if the window was maximized, or `false` if it was restored.
// ///
// /// @thread_safety This function must only be called from the main thread.
// ///
// /// see also: window_maximize
/// Sets the maximize callback for the specified window.
///
/// This function sets the maximization callback of the specified window, which
/// is called when the window is maximized or restored.
///
/// @param[in] window The window whose callback to set.
/// @param[in] callback The new callback, or null to remove the currently set
/// callback.
///
/// @callback_param `window` the window which was maximized or restored.
/// @callback_param `maximized` `true` if the window was maximized, or `false` if it was restored.
///
/// @thread_safety This function must only be called from the main thread.
///
/// see also: window_maximize
// GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* window, GLFWwindowmaximizefun callback);
pub inline fn setMaximizeCallback(self: Window, callback: ?fn (window: Window, maximized: bool) void) void {
var internal = self.getInternal();
internal.setMaximizeCallback = callback;
_ = c.glfwSetWindowMaximizeCallback(self.handle, if (callback != null) setMaximizeCallbackWrapper else null);
// The only error this could return would be glfw.Error.NotInitialized, which should
// definitely have occurred before calls to this. Returning an error here makes the API
// awkward to use, so we discard it instead.
getError() catch {};
}
// TODO(window):
// /// Sets the framebuffer resize callback for the specified window.
// ///
@ -1916,3 +1933,24 @@ test "setIconifyCallback" {
}
}).callback);
}
test "setMaximizeCallback" {
const glfw = @import("main.zig");
try glfw.init();
defer glfw.terminate();
const window = glfw.Window.create(640, 480, "Hello, Zig!", null, null) catch |err| {
// return without fail, because most of our CI environments are headless / we cannot open
// windows on them.
std.debug.print("note: failed to create window: {}\n", .{err});
return;
};
defer window.destroy();
window.setMaximizeCallback((struct {
fn callback(_window: Window, maximized: bool) void {
_ = _window;
_ = maximized;
}
}).callback);
}