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glfw: add Window.setIconifyCallback

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-10-18 00:39:31 -07:00 • committed by Stephen Gutekanst
parent 89c7753af8
commit f73f86f14c
1 changed files with 57 additions and 20 deletions
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77
src/Window.zig
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@ -41,6 +41,7 @@ pub const InternalUserPointer = struct {
setCloseCallback: ?fn (window: Window) void,
setRefreshCallback: ?fn (window: Window) void,
setFocusCallback: ?fn (window: Window, focused: bool) void,
setIconifyCallback: ?fn (window: Window, iconified: bool) void,
};
/// Resets all window hints to their default values.
@ -1158,27 +1159,42 @@ pub inline fn setFocusCallback(self: Window, callback: ?fn (window: Window, focu
getError() catch {};
}
// TODO(window):
fn setIconifyCallbackWrapper(handle: ?*c.GLFWwindow, iconified: c_int) callconv(.C) void {
const window = from(handle.?) catch unreachable;
const internal = window.getInternal();
internal.setIconifyCallback.?(window, if (iconified == c.GLFW_TRUE) true else false);
}
// /// Sets the iconify callback for the specified window.
// ///
// /// This function sets the iconification callback of the specified window, which
// /// is called when the window is iconified 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 iconified or restored.
// /// @callback_param `focused` `true` if the window was iconified, or `false` if it was restored.
// ///
// /// wayland: The wl_shell protocol has no concept of iconification,
// /// this callback will never be called when using this deprecated protocol.
// ///
// /// @thread_safety This function must only be called from the main thread.
// ///
// /// see also: window_iconify
// GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun callback);
/// Sets the iconify callback for the specified window.
///
/// This function sets the iconification callback of the specified window, which
/// is called when the window is iconified 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 iconified or restored.
/// @callback_param `iconified` `true` if the window was iconified, or `false` if it was restored.
///
/// wayland: The wl_shell protocol has no concept of iconification,
/// this callback will never be called when using this deprecated protocol.
///
/// @thread_safety This function must only be called from the main thread.
///
/// see also: window_iconify
pub inline fn setIconifyCallback(self: Window, callback: ?fn (window: Window, iconified: bool) void) void {
var internal = self.getInternal();
internal.setIconifyCallback = callback;
_ = c.glfwSetWindowIconifyCallback(self.handle, if (callback != null) setIconifyCallbackWrapper 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 maximize callback for the specified window.
// ///
@ -1879,3 +1895,24 @@ test "setFocusCallback" {
}
}).callback);
}
test "setIconifyCallback" {
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.setIconifyCallback((struct {
fn callback(_window: Window, iconified: bool) void {
_ = _window;
_ = iconified;
}
}).callback);
}