NORESIZE option

1 files changed, 26 insertions, 20 deletions

diff --git a/src/context.rs b/src/context.rs
index 502bbdb..2171053 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -17,6 +17,7 @@ extern {
 pub struct Context {
     pub render_width: f32,
     pub render_height: f32,
+    pub resize: bool,
     pub glfw: std::cell::RefCell<glfw::Glfw>,
     pub window: std::cell::RefCell<glfw::PWindow>,
     pub gl: glow::Context,
@@ -29,6 +30,7 @@ pub struct Context {
 pub struct Context {
     pub render_width: f32,
     pub render_height: f32,
+    pub resize: bool,
     pub window: winit::window::Window,
     pub gl: glow::Context,
     pub emptyvao: glow::VertexArray,
@@ -50,12 +52,13 @@ impl Context {
     }
 
     #[cfg(not(target_arch = "wasm32"))]
-    pub fn new(glfw: std::cell::RefCell<glfw::Glfw>, window: std::cell::RefCell<glfw::PWindow>, gl: glow::Context, render_width: f32, render_height: f32) -> Self {
+    pub fn new(glfw: std::cell::RefCell<glfw::Glfw>, window: std::cell::RefCell<glfw::PWindow>, gl: glow::Context, render_width: f32, render_height: f32, resize: bool) -> Self {
         let emptyvao = unsafe {
             gl.create_vertex_array().expect("failed to initialize vao")
         };
         let ret = Self {
             render_width, render_height,
+            resize,
             glfw, window,
             gl,
             emptyvao,
@@ -66,7 +69,7 @@ impl Context {
     }
 
     #[cfg(target_arch = "wasm32")]
-    pub fn new(window: winit::window::Window, gl: glow::Context, render_width: f32, render_height: f32) -> Self {
+    pub fn new(window: winit::window::Window, gl: glow::Context, render_width: f32, render_height: f32, resize: bool) -> Self {
         let emptyvao = unsafe {
             gl.create_vertex_array().expect("failed to initialize vao")
         };
@@ -76,6 +79,7 @@ impl Context {
 
         let ret = Self {
             render_width, render_height,
+            resize,
             window,
             gl,
             emptyvao,
@@ -107,24 +111,26 @@ impl Context {
 
     #[cfg(target_arch = "wasm32")]
     pub fn maximize_canvas(&self) {
-        web_sys::window()
-            .and_then(|win| win.document())
-            .and_then(|doc| {
-                let inner_size = {
-                    let browser_window = doc.default_view()
-                        .or_else(web_sys::window)
-                        .unwrap();
-                    winit::dpi::PhysicalSize::new(
-                        browser_window.inner_width().unwrap().as_f64().unwrap(),
-                        browser_window.inner_height().unwrap().as_f64().unwrap(),
-                    )
-                };
-                self.window.canvas().unwrap().set_width(inner_size.width as _);
-                self.window.canvas().unwrap().set_height(inner_size.height as _);
-                let _ = self.window.request_inner_size(inner_size);
-                Some(())
-            })
-            .expect("failed to resize canvas");
+        if self.resize {
+            web_sys::window()
+                .and_then(|win| win.document())
+                .and_then(|doc| {
+                    let inner_size = {
+                        let browser_window = doc.default_view()
+                            .or_else(web_sys::window)
+                            .unwrap();
+                        winit::dpi::PhysicalSize::new(
+                            browser_window.inner_width().unwrap().as_f64().unwrap(),
+                            browser_window.inner_height().unwrap().as_f64().unwrap(),
+                        )
+                    };
+                    self.window.canvas().unwrap().set_width(inner_size.width as _);
+                    self.window.canvas().unwrap().set_height(inner_size.height as _);
+                    let _ = self.window.request_inner_size(inner_size);
+                    Some(())
+                })
+                .expect("failed to resize canvas");
+        }
     }
 
     #[cfg(target_arch = "wasm32")]