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glfw: add Window.setSizeLimits

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-07-23 14:29:14 -07:00
parent cbd2cb7e78
commit 3894e707a5
1 changed files with 51 additions and 0 deletions
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51
glfw/src/Window.zig
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@ -398,6 +398,38 @@ pub inline fn getSize(self: Window) Error!Size {
return Size{ .width = @intCast(usize, width), .height = @intCast(usize, height) };
}
/// Sets the size limits of the specified window's content area.
///
/// This function sets the size limits of the content area of the specified window. If the window
/// is full screen, the size limits only take effect/ once it is made windowed. If the window is not
/// resizable, this function does nothing.
///
/// The size limits are applied immediately to a windowed mode window and may cause it to be resized.
///
/// The maximum dimensions must be greater than or equal to the minimum dimensions. glfw.dont_care
/// may be used for any width/height parameter.
///
/// Possible errors include glfw.Error.NotInitialized, glfw.Error.InvalidValue and glfw.Error.PlatformError.
///
/// If you set size limits and an aspect ratio that conflict, the results are undefined.
///
/// wayland: The size limits will not be applied until the window is actually resized, either by
/// the user or by the compositor.
///
/// @thread_safety This function must only be called from the main thread.
///
/// see also: window_sizelimits, glfw.Window.setAspectRatio
pub inline fn setSizeLimits(self: Window, min: Size, max: Size) Error!void {
c.glfwSetWindowSizeLimits(
self.handle,
@intCast(c_int, min.width),
@intCast(c_int, min.height),
@intCast(c_int, max.width),
@intCast(c_int, max.height),
);
try getError();
}
test "defaultHints" {
const glfw = @import("main.zig");
try glfw.init();
@ -548,3 +580,22 @@ test "getSize" {
_ = try window.getSize();
}
test "setSizeLimits" {
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();
try window.setSizeLimits(
.{ .width = 720, .height = 480 },
.{ .width = 1080, .height = 1920 },
);
}