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glfw: add Window.setSize

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2021-07-23 15:02:13 -07:00
parent 88aa5f4516
commit 7cbe13941e
1 changed files with 43 additions and 0 deletions
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43
glfw/src/Window.zig
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@ -398,6 +398,33 @@ pub inline fn getSize(self: Window) Error!Size {
return Size{ .width = @intCast(usize, width), .height = @intCast(usize, height) };
}
/// Sets the size of the content area of the specified window.
///
/// This function sets the size, in screen coordinates, of the content area of the specified window.
///
/// For full screen windows, this function updates the resolution of its desired video mode and
/// switches to the video mode closest to it, without affecting the window's context. As the
/// context is unaffected, the bit depths of the framebuffer remain unchanged.
///
/// If you wish to update the refresh rate of the desired video mode in addition to its resolution,
/// see glfw.Window.setMonitor.
///
/// The window manager may put limits on what sizes are allowed. GLFW cannot and should not
/// override these limits.
///
/// Possible errors include glfw.Error.NotInitialized and glfw.Error.PlatformError.
///
/// wayland: A full screen window will not attempt to change the mode, no matter what the requested
/// size.
///
/// @thread_safety This function must only be called from the main thread.
///
/// see also: window_size, glfw.Window.getSize, glfw.Window.SetMonitor
pub inline fn setSize(self: Window, size: Size) Error!void {
c.glfwSetWindowSize(self.handle, @intCast(c_int, size.width), @intCast(c_int, size.height));
try getError();
}
/// 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
@ -612,6 +639,22 @@ test "getSize" {
_ = try window.getSize();
}
test "setSize" {
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.setSize(.{ .width = 640, .height = 480 });
}
test "setSizeLimits" {
const glfw = @import("main.zig");
try glfw.init();