diff --git a/imgui-examples/examples/hello_world.rs b/imgui-examples/examples/hello_world.rs
index b92035d..dad8a55 100644
--- a/imgui-examples/examples/hello_world.rs
+++ b/imgui-examples/examples/hello_world.rs
@@ -18,11 +18,11 @@ fn hello_world<'a>(ui: &Ui<'a>) -> bool {
             ui.text(im_str!("こんにちは世界！"));
             ui.text(im_str!("This...is...imgui-rs!"));
             ui.separator();
-            let mouse_pos = ui.imgui().mouse_pos();
+            let mouse_pos = ui.io().mouse_pos;
             ui.text(im_str!(
                 "Mouse Position: ({:.1},{:.1})",
-                mouse_pos.0,
-                mouse_pos.1
+                mouse_pos[0],
+                mouse_pos[1]
             ));
         });
 
diff --git a/imgui-examples/examples/test_window_impl.rs b/imgui-examples/examples/test_window_impl.rs
index 4b85a14..631f027 100644
--- a/imgui-examples/examples/test_window_impl.rs
+++ b/imgui-examples/examples/test_window_impl.rs
@@ -819,10 +819,10 @@ fn show_example_app_fixed_overlay(ui: &Ui, opened: &mut bool) {
             .build(|| {
                 ui.text("Simple overlay\nin the corner of the screen.\n(right-click to change position)");
                 ui.separator();
-                let mouse_pos = ui.imgui().mouse_pos();
+                let mouse_pos = ui.io().mouse_pos;
                 ui.text(format!(
                     "Mouse Position: ({:.1},{:.1})",
-                    mouse_pos.0, mouse_pos.1
+                    mouse_pos[0], mouse_pos[1]
                 ));
             })
     })
@@ -846,8 +846,8 @@ My title is the same as window 1, but my identifier is unique.",
             );
         });
     let chars = ['|', '/', '-', '\\'];
-    let ch_idx = (ui.imgui().get_time() / 0.25) as usize & 3;
-    let num = ui.imgui().get_frame_count(); // The C++ version uses rand() here
+    let ch_idx = (ui.get_time() / 0.25) as usize & 3;
+    let num = ui.get_frame_count(); // The C++ version uses rand() here
     let title = im_str!("Animated title {} {}###AnimatedTitle", chars[ch_idx], num);
     ui.window(&title)
         .position((100.0, 300.0), Condition::FirstUseEver)
@@ -1046,22 +1046,22 @@ fn show_example_app_custom_rendering(ui: &Ui, state: &mut CustomRenderingState,
 
             let mut adding_preview = false;
             ui.invisible_button(im_str!("canvas"), canvas_size);
-            let mouse_pos = ui.imgui().mouse_pos();
-            let mouse_pos_in_canvas = (mouse_pos.0 - canvas_pos.0, mouse_pos.1 - canvas_pos.1);
+            let mouse_pos = ui.io().mouse_pos;
+            let mouse_pos_in_canvas = (mouse_pos[0] - canvas_pos.0, mouse_pos[1] - canvas_pos.1);
             if state.adding_line {
                 adding_preview = true;
                 state.points.push(mouse_pos_in_canvas);
-                if !ui.imgui().is_mouse_down(MouseButton::Left) {
+                if !ui.is_mouse_down(MouseButton::Left) {
                     state.adding_line = false;
                     adding_preview = false;
                 }
             }
             if ui.is_item_hovered() {
-                if !state.adding_line && ui.imgui().is_mouse_clicked(MouseButton::Left) {
+                if !state.adding_line && ui.is_mouse_clicked(MouseButton::Left) {
                     state.points.push(mouse_pos_in_canvas);
                     state.adding_line = true;
                 }
-                if ui.imgui().is_mouse_clicked(MouseButton::Right) && !state.points.is_empty() {
+                if ui.is_mouse_clicked(MouseButton::Right) && !state.points.is_empty() {
                     state.adding_line = false;
                     adding_preview = false;
                     state.points.pop();
diff --git a/imgui-gfx-examples/examples/hello_gfx.rs b/imgui-gfx-examples/examples/hello_gfx.rs
index 5d059f6..0158560 100644
--- a/imgui-gfx-examples/examples/hello_gfx.rs
+++ b/imgui-gfx-examples/examples/hello_gfx.rs
@@ -22,11 +22,11 @@ fn hello_world<'a>(ui: &Ui<'a>) -> bool {
             ui.text(im_str!("こんにちは世界！"));
             ui.text(im_str!("This...is...imgui-rs!"));
             ui.separator();
-            let mouse_pos = ui.imgui().mouse_pos();
+            let mouse_pos = ui.io().mouse_pos;
             ui.text(im_str!(
                 "Mouse Position: ({:.1},{:.1})",
-                mouse_pos.0,
-                mouse_pos.1
+                mouse_pos[0],
+                mouse_pos[1]
             ));
         });
 
diff --git a/imgui-gfx-examples/examples/support_gfx/mod.rs b/imgui-gfx-examples/examples/support_gfx/mod.rs
index abc6017..01e78a9 100644
--- a/imgui-gfx-examples/examples/support_gfx/mod.rs
+++ b/imgui-gfx-examples/examples/support_gfx/mod.rs
@@ -83,7 +83,7 @@ pub fn run<F: FnMut(&Ui) -> bool>(title: String, clear_color: [f32; 4], mut run_
         &FontGlyphRange::japanese(),
     );
 
-    imgui.set_font_global_scale((1.0 / hidpi_factor) as f32);
+    imgui.io_mut().font_global_scale = (1.0 / hidpi_factor) as f32;
 
     let mut renderer = GfxRenderer::init(&mut imgui, &mut factory, shaders)
         .expect("Failed to initialize renderer");
diff --git a/src/input/keyboard.rs b/src/input/keyboard.rs
index ee56736..c3809c0 100644
--- a/src/input/keyboard.rs
+++ b/src/input/keyboard.rs
@@ -83,6 +83,9 @@ impl<'ui> Ui<'ui> {
     pub fn is_key_pressed(&self, key_index: u32) -> bool {
         unsafe { sys::igIsKeyPressed(key_index as i32, true) }
     }
+    pub fn is_key_released(&self, key_index: u32) -> bool {
+        unsafe { sys::igIsKeyReleased(key_index as i32) }
+    }
     /// Returns a count of key presses using the given repeat rate/delay settings.
     ///
     /// Usually returns 0 or 1, but might be >1 if `rate` is small enough that `io.delta_time` >
@@ -90,4 +93,9 @@ impl<'ui> Ui<'ui> {
     pub fn key_pressed_amount(&self, key_index: u32, repeat_delay: f32, rate: f32) -> u32 {
         unsafe { sys::igGetKeyPressedAmount(key_index as i32, repeat_delay, rate) as u32 }
     }
+    pub fn set_keyboard_focus_here(&self, offset: i32) {
+        unsafe {
+            sys::igSetKeyboardFocusHere(offset);
+        }
+    }
 }
diff --git a/src/legacy.rs b/src/legacy.rs
index 1ea41d5..dfbe70d 100644
--- a/src/legacy.rs
+++ b/src/legacy.rs
@@ -2,6 +2,11 @@
 use bitflags::bitflags;
 use std::os::raw::c_int;
 
+use crate::input::keyboard::Key;
+use crate::input::mouse::MouseButton;
+use crate::internal::RawCast;
+use crate::{Context, Ui};
+
 bitflags!(
     /// Color edit flags
     #[repr(C)]
@@ -360,3 +365,305 @@ bitflags!(
             | ImGuiWindowFlags::NoNavFocus.bits;
     }
 );
+
+impl Context {
+    #[deprecated(since = "0.1.0", note = "Access Io::ini_saving_rate directly instead")]
+    pub fn set_ini_saving_rate(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.ini_saving_rate = value;
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::font_global_scale directly instead"
+    )]
+    pub fn set_font_global_scale(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.font_global_scale = value;
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::mouse_double_click_time directly instead"
+    )]
+    pub fn set_mouse_double_click_time(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.mouse_double_click_time = value;
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::mouse_double_click_max_dist directly instead"
+    )]
+    pub fn set_mouse_double_click_max_dist(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.mouse_double_click_max_dist = value;
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::mouse_drag_threshold directly instead"
+    )]
+    pub fn set_mouse_drag_threshold(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.mouse_drag_threshold = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_repeat_delay directly instead")]
+    pub fn set_key_repeat_delay(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.key_repeat_delay = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_repeat_rate directly instead")]
+    pub fn set_key_repeat_rate(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.key_repeat_rate = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::display_size directly instead")]
+    pub fn display_size(&self) -> (f32, f32) {
+        let io = self.io();
+        (io.display_size[0], io.display_size[1])
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::display_framebuffer_scale directly instead"
+    )]
+    pub fn display_framebuffer_scale(&self) -> (f32, f32) {
+        let io = self.io();
+        (
+            io.display_framebuffer_scale[0],
+            io.display_framebuffer_scale[1],
+        )
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_pos directly instead")]
+    pub fn mouse_pos(&self) -> (f32, f32) {
+        let io = self.io();
+        (io.mouse_pos[0], io.mouse_pos[1])
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_pos directly instead")]
+    pub fn set_mouse_pos(&mut self, x: f32, y: f32) {
+        let io = self.io_mut();
+        io.mouse_pos = [x, y];
+    }
+    /// Get mouse's position's delta between the current and the last frame.
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_delta directly instead")]
+    pub fn mouse_delta(&self) -> (f32, f32) {
+        let io = self.io();
+        (io.mouse_delta[0], io.mouse_delta[1])
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_down directly instead")]
+    pub fn mouse_down(&self) -> [bool; 5] {
+        let io = self.io();
+        io.mouse_down
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_down directly instead")]
+    pub fn set_mouse_down(&mut self, states: [bool; 5]) {
+        let io = self.io_mut();
+        io.mouse_down = states;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_wheel directly instead")]
+    pub fn set_mouse_wheel(&mut self, value: f32) {
+        let io = self.io_mut();
+        io.mouse_wheel = value;
+    }
+    /// Get mouse wheel delta
+    #[deprecated(since = "0.1.0", note = "Access Io::mouse_wheel directly instead")]
+    pub fn mouse_wheel(&self) -> f32 {
+        let io = self.io();
+        io.mouse_wheel
+    }
+    #[deprecated(since = "0.1.0", note = "Use Ui::mouse_drag_delta instead")]
+    pub fn mouse_drag_delta(&self, button: MouseButton) -> (f32, f32) {
+        let delta = unsafe { sys::igGetMouseDragDelta_nonUDT2(button as c_int, -1.0) };
+        delta.into()
+    }
+    /// Set to `true` to have ImGui draw the cursor in software.
+    /// If `false`, the OS cursor is used (default to `false`).
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::mouse_draw_cursor directly instead"
+    )]
+    pub fn set_mouse_draw_cursor(&mut self, value: bool) {
+        let io = self.io_mut();
+        io.mouse_draw_cursor = value;
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::mouse_draw_cursor directly instead"
+    )]
+    pub fn mouse_draw_cursor(&self) -> bool {
+        let io = self.io();
+        io.mouse_draw_cursor
+    }
+    /// Returns `true` if mouse is currently dragging with the `button` provided
+    /// as argument.
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_mouse_dragging instead")]
+    pub fn is_mouse_dragging(&self, button: MouseButton) -> bool {
+        unsafe { sys::igIsMouseDragging(button as c_int, -1.0) }
+    }
+    /// Returns `true` if the `button` provided as argument is currently down.
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_mouse_down instead")]
+    pub fn is_mouse_down(&self, button: MouseButton) -> bool {
+        unsafe { sys::igIsMouseDown(button as c_int) }
+    }
+    /// Returns `true` if the `button` provided as argument is being clicked.
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_mouse_clicked instead")]
+    pub fn is_mouse_clicked(&self, button: MouseButton) -> bool {
+        unsafe { sys::igIsMouseClicked(button as c_int, false) }
+    }
+    /// Returns `true` if the `button` provided as argument is being double-clicked.
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_mouse_double_clicked instead")]
+    pub fn is_mouse_double_clicked(&self, button: MouseButton) -> bool {
+        unsafe { sys::igIsMouseDoubleClicked(button as c_int) }
+    }
+    /// Returns `true` if the `button` provided as argument was released
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_mouse_released instead")]
+    pub fn is_mouse_released(&self, button: MouseButton) -> bool {
+        unsafe { sys::igIsMouseReleased(button as c_int) }
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_ctrl directly instead")]
+    pub fn key_ctrl(&self) -> bool {
+        let io = self.io();
+        io.key_ctrl
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_ctrl directly instead")]
+    pub fn set_key_ctrl(&mut self, value: bool) {
+        let io = self.io_mut();
+        io.key_ctrl = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_shift directly instead")]
+    pub fn key_shift(&self) -> bool {
+        let io = self.io();
+        io.key_shift
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_shift directly instead")]
+    pub fn set_key_shift(&mut self, value: bool) {
+        let io = self.io_mut();
+        io.key_shift = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_alt directly instead")]
+    pub fn key_alt(&self) -> bool {
+        let io = self.io();
+        io.key_alt
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_alt directly instead")]
+    pub fn set_key_alt(&mut self, value: bool) {
+        let io = self.io_mut();
+        io.key_alt = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_super directly instead")]
+    pub fn key_super(&self) -> bool {
+        let io = self.io();
+        io.key_super
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::key_super directly instead")]
+    pub fn set_key_super(&mut self, value: bool) {
+        let io = self.io_mut();
+        io.key_super = value;
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::keys_down directly instead")]
+    pub fn set_key(&mut self, key: u8, pressed: bool) {
+        let io = self.io_mut();
+        io.keys_down[key as usize] = pressed;
+    }
+    #[deprecated(since = "0.1.0", note = "Index Io::key_map with the key instead")]
+    pub fn set_imgui_key(&mut self, key: Key, mapping: u8) {
+        let io = self.io_mut();
+        io.key_map[key as usize] = u32::from(mapping);
+    }
+    /// Map [`Key`] values into user's key index
+    #[deprecated(since = "0.1.0", note = "Index Io::key_map with the key instead")]
+    pub fn get_key_index(&self, key: Key) -> usize {
+        unsafe { sys::igGetKeyIndex(key as i32) as usize }
+    }
+    /// Return whether specific key is being held
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use imgui::{Key, Ui};
+    ///
+    /// fn test(ui: &Ui) {
+    ///     let delete_key_index = ui.imgui().get_key_index(Key::Delete);
+    ///     if ui.imgui().is_key_down(delete_key_index) {
+    ///         println!("Delete is being held!");
+    ///     }
+    /// }
+    /// ```
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_key_down instead")]
+    pub fn is_key_down(&self, user_key_index: usize) -> bool {
+        unsafe { sys::igIsKeyDown(user_key_index as c_int) }
+    }
+    /// Return whether specific key was pressed
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_key_pressed instead")]
+    pub fn is_key_pressed(&self, user_key_index: usize) -> bool {
+        unsafe { sys::igIsKeyPressed(user_key_index as c_int, true) }
+    }
+    /// Return whether specific key was released
+    #[deprecated(since = "0.1.0", note = "Use Ui::is_key_released instead")]
+    pub fn is_key_released(&self, user_key_index: usize) -> bool {
+        unsafe { sys::igIsKeyReleased(user_key_index as c_int) }
+    }
+    #[deprecated(since = "0.1.0", note = "Use Io::add_input_character instead")]
+    pub fn add_input_character(&mut self, character: char) {
+        let mut buf = [0; 5];
+        character.encode_utf8(&mut buf);
+        unsafe {
+            sys::ImGuiIO_AddInputCharactersUTF8(self.io_mut().raw_mut(), buf.as_ptr() as *const _);
+        }
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::framerate directly instead")]
+    pub fn get_frame_rate(&self) -> f32 {
+        self.io().framerate
+    }
+}
+
+impl<'ui> Ui<'ui> {
+    #[deprecated(
+        since = "0.1.0",
+        note = "This function is potentially unsafe and will be removed"
+    )]
+    pub fn imgui(&self) -> &Context {
+        self.ctx
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::want_capture_mouse directly instead"
+    )]
+    pub fn want_capture_mouse(&self) -> bool {
+        let io = self.io();
+        io.want_capture_mouse
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::want_capture_keyboard directly instead"
+    )]
+    pub fn want_capture_keyboard(&self) -> bool {
+        let io = self.io();
+        io.want_capture_keyboard
+    }
+    #[deprecated(since = "0.1.0", note = "Access Io::framerate directly instead")]
+    pub fn framerate(&self) -> f32 {
+        let io = self.io();
+        io.framerate
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::metrics_render_vertices directly instead"
+    )]
+    pub fn metrics_render_vertices(&self) -> i32 {
+        let io = self.io();
+        io.metrics_render_vertices
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::metrics_render_indices directly instead"
+    )]
+    pub fn metrics_render_indices(&self) -> i32 {
+        let io = self.io();
+        io.metrics_render_indices
+    }
+    #[deprecated(
+        since = "0.1.0",
+        note = "Access Io::metrics_active_windows directly instead"
+    )]
+    pub fn metrics_active_windows(&self) -> i32 {
+        let io = self.io();
+        io.metrics_active_windows
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index db22170..6ab7147 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -74,6 +74,19 @@ mod trees;
 mod window;
 mod window_draw_list;
 
+/// Returns the underlying Dear ImGui library version
+pub fn dear_imgui_version() -> &'static str {
+    unsafe {
+        let bytes = CStr::from_ptr(sys::igGetVersion()).to_bytes();
+        str::from_utf8_unchecked(bytes)
+    }
+}
+
+#[test]
+fn test_version() {
+    assert_eq!(dear_imgui_version(), "1.71");
+}
+
 pub struct TextureHandle<'a> {
     pub width: u32,
     pub height: u32,
@@ -118,195 +131,12 @@ impl Context {
     pub fn set_font_texture_id(&mut self, value: TextureId) {
         self.fonts().set_texture_id(value.id());
     }
-    pub fn set_ini_saving_rate(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.ini_saving_rate = value;
-    }
-    pub fn set_font_global_scale(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.font_global_scale = value;
-    }
-    pub fn set_mouse_double_click_time(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.mouse_double_click_time = value;
-    }
-    pub fn set_mouse_double_click_max_dist(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.mouse_double_click_max_dist = value;
-    }
-    pub fn set_mouse_drag_threshold(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.mouse_drag_threshold = value;
-    }
-    pub fn set_key_repeat_delay(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.key_repeat_delay = value;
-    }
-    pub fn set_key_repeat_rate(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.key_repeat_rate = value;
-    }
-    pub fn display_size(&self) -> (f32, f32) {
-        let io = self.io();
-        (io.display_size[0], io.display_size[1])
-    }
-    pub fn display_framebuffer_scale(&self) -> (f32, f32) {
-        let io = self.io();
-        (
-            io.display_framebuffer_scale[0],
-            io.display_framebuffer_scale[1],
-        )
-    }
-    pub fn mouse_pos(&self) -> (f32, f32) {
-        let io = self.io();
-        (io.mouse_pos[0], io.mouse_pos[1])
-    }
-    pub fn set_mouse_pos(&mut self, x: f32, y: f32) {
-        let io = self.io_mut();
-        io.mouse_pos = [x, y];
-    }
-    /// Get mouse's position's delta between the current and the last frame.
-    pub fn mouse_delta(&self) -> (f32, f32) {
-        let io = self.io();
-        (io.mouse_delta[0], io.mouse_delta[1])
-    }
-    pub fn mouse_down(&self) -> [bool; 5] {
-        let io = self.io();
-        io.mouse_down
-    }
-    pub fn set_mouse_down(&mut self, states: [bool; 5]) {
-        let io = self.io_mut();
-        io.mouse_down = states;
-    }
-    pub fn set_mouse_wheel(&mut self, value: f32) {
-        let io = self.io_mut();
-        io.mouse_wheel = value;
-    }
-    /// Get mouse wheel delta
-    pub fn mouse_wheel(&self) -> f32 {
-        let io = self.io();
-        io.mouse_wheel
-    }
-    pub fn mouse_drag_delta(&self, button: MouseButton) -> (f32, f32) {
-        let delta = unsafe { sys::igGetMouseDragDelta_nonUDT2(button as c_int, -1.0) };
-        delta.into()
-    }
-    /// Set to `true` to have ImGui draw the cursor in software.
-    /// If `false`, the OS cursor is used (default to `false`).
-    pub fn set_mouse_draw_cursor(&mut self, value: bool) {
-        let io = self.io_mut();
-        io.mouse_draw_cursor = value;
-    }
-    pub fn mouse_draw_cursor(&self) -> bool {
-        let io = self.io();
-        io.mouse_draw_cursor
-    }
-    /// Returns `true` if mouse is currently dragging with the `button` provided
-    /// as argument.
-    pub fn is_mouse_dragging(&self, button: MouseButton) -> bool {
-        unsafe { sys::igIsMouseDragging(button as c_int, -1.0) }
-    }
-    /// Returns `true` if the `button` provided as argument is currently down.
-    pub fn is_mouse_down(&self, button: MouseButton) -> bool {
-        unsafe { sys::igIsMouseDown(button as c_int) }
-    }
-    /// Returns `true` if the `button` provided as argument is being clicked.
-    pub fn is_mouse_clicked(&self, button: MouseButton) -> bool {
-        unsafe { sys::igIsMouseClicked(button as c_int, false) }
-    }
-    /// Returns `true` if the `button` provided as argument is being double-clicked.
-    pub fn is_mouse_double_clicked(&self, button: MouseButton) -> bool {
-        unsafe { sys::igIsMouseDoubleClicked(button as c_int) }
-    }
-    /// Returns `true` if the `button` provided as argument was released
-    pub fn is_mouse_released(&self, button: MouseButton) -> bool {
-        unsafe { sys::igIsMouseReleased(button as c_int) }
-    }
-    pub fn key_ctrl(&self) -> bool {
-        let io = self.io();
-        io.key_ctrl
-    }
-    pub fn set_key_ctrl(&mut self, value: bool) {
-        let io = self.io_mut();
-        io.key_ctrl = value;
-    }
-    pub fn key_shift(&self) -> bool {
-        let io = self.io();
-        io.key_shift
-    }
-    pub fn set_key_shift(&mut self, value: bool) {
-        let io = self.io_mut();
-        io.key_shift = value;
-    }
-    pub fn key_alt(&self) -> bool {
-        let io = self.io();
-        io.key_alt
-    }
-    pub fn set_key_alt(&mut self, value: bool) {
-        let io = self.io_mut();
-        io.key_alt = value;
-    }
-    pub fn key_super(&self) -> bool {
-        let io = self.io();
-        io.key_super
-    }
-    pub fn set_key_super(&mut self, value: bool) {
-        let io = self.io_mut();
-        io.key_super = value;
-    }
-    pub fn set_key(&mut self, key: u8, pressed: bool) {
-        let io = self.io_mut();
-        io.keys_down[key as usize] = pressed;
-    }
-    pub fn set_imgui_key(&mut self, key: Key, mapping: u8) {
-        let io = self.io_mut();
-        io.key_map[key as usize] = u32::from(mapping);
-    }
-    /// Map [`Key`] values into user's key index
-    pub fn get_key_index(&self, key: Key) -> usize {
-        unsafe { sys::igGetKeyIndex(key as i32) as usize }
-    }
-    /// Return whether specific key is being held
-    ///
-    /// # Example
-    ///
-    /// ```rust
-    /// use imgui::{Key, Ui};
-    ///
-    /// fn test(ui: &Ui) {
-    ///     let delete_key_index = ui.imgui().get_key_index(Key::Delete);
-    ///     if ui.imgui().is_key_down(delete_key_index) {
-    ///         println!("Delete is being held!");
-    ///     }
-    /// }
-    /// ```
-    pub fn is_key_down(&self, user_key_index: usize) -> bool {
-        unsafe { sys::igIsKeyDown(user_key_index as c_int) }
-    }
-    /// Return whether specific key was pressed
-    pub fn is_key_pressed(&self, user_key_index: usize) -> bool {
-        unsafe { sys::igIsKeyPressed(user_key_index as c_int, true) }
-    }
-    /// Return whether specific key was released
-    pub fn is_key_released(&self, user_key_index: usize) -> bool {
-        unsafe { sys::igIsKeyReleased(user_key_index as c_int) }
-    }
-    pub fn add_input_character(&mut self, character: char) {
-        let mut buf = [0; 5];
-        character.encode_utf8(&mut buf);
-        unsafe {
-            sys::ImGuiIO_AddInputCharactersUTF8(self.io_mut().raw_mut(), buf.as_ptr() as *const _);
-        }
-    }
     pub fn get_time(&self) -> f64 {
         unsafe { sys::igGetTime() }
     }
     pub fn get_frame_count(&self) -> i32 {
         unsafe { sys::igGetFrameCount() }
     }
-    pub fn get_frame_rate(&self) -> f32 {
-        self.io().framerate
-    }
 }
 
 pub struct Ui<'ui> {
@@ -323,37 +153,11 @@ impl<'ui> Ui<'ui> {
     pub fn io(&self) -> &Io {
         unsafe { &*(sys::igGetIO() as *const Io) }
     }
-    pub fn imgui(&self) -> &Context {
-        self.ctx
+    pub fn get_time(&self) -> f64 {
+        unsafe { sys::igGetTime() }
     }
-    pub fn want_capture_mouse(&self) -> bool {
-        let io = self.io();
-        io.want_capture_mouse
-    }
-    pub fn want_capture_keyboard(&self) -> bool {
-        let io = self.io();
-        io.want_capture_keyboard
-    }
-    pub fn set_keyboard_focus_here(&self, offset: i32) {
-        unsafe {
-            sys::igSetKeyboardFocusHere(offset);
-        }
-    }
-    pub fn framerate(&self) -> f32 {
-        let io = self.io();
-        io.framerate
-    }
-    pub fn metrics_render_vertices(&self) -> i32 {
-        let io = self.io();
-        io.metrics_render_vertices
-    }
-    pub fn metrics_render_indices(&self) -> i32 {
-        let io = self.io();
-        io.metrics_render_indices
-    }
-    pub fn metrics_active_windows(&self) -> i32 {
-        let io = self.io();
-        io.metrics_active_windows
+    pub fn get_frame_count(&self) -> i32 {
+        unsafe { sys::igGetFrameCount() }
     }
     pub fn render(self) -> &'ui DrawData {
         unsafe {
@@ -361,27 +165,32 @@ impl<'ui> Ui<'ui> {
             &*(sys::igGetDrawData() as *mut DrawData)
         }
     }
-    pub fn show_user_guide(&self) {
-        unsafe { sys::igShowUserGuide() };
-    }
-    pub fn show_default_style_editor(&self) {
-        unsafe { sys::igShowStyleEditor(ptr::null_mut()) };
-    }
-    pub fn show_style_editor<'p>(&self, style: &'p mut Style) {
-        unsafe {
-            sys::igShowStyleEditor(style.raw_mut());
-        }
-    }
     pub fn show_demo_window(&self, opened: &mut bool) {
         unsafe {
             sys::igShowDemoWindow(opened);
         }
     }
+    pub fn show_about_window(&self, opened: &mut bool) {
+        unsafe {
+            sys::igShowAboutWindow(opened);
+        }
+    }
     pub fn show_metrics_window(&self, opened: &mut bool) {
         unsafe {
             sys::igShowMetricsWindow(opened);
         }
     }
+    pub fn show_style_editor(&self, style: &mut Style) {
+        unsafe {
+            sys::igShowStyleEditor(style.raw_mut());
+        }
+    }
+    pub fn show_default_style_editor(&self) {
+        unsafe { sys::igShowStyleEditor(ptr::null_mut()) };
+    }
+    pub fn show_user_guide(&self) {
+        unsafe { sys::igShowUserGuide() };
+    }
 }
 
 impl<'a> Drop for Ui<'a> {