Fix several clippy nits

src/input/keyboard.rs

@@ -78,8 +78,8 @@ pub enum FocusedWidget {
 }
 
 impl FocusedWidget {
-    fn as_offset(&self) -> i32 {
-        match *self {
+    fn as_offset(self) -> i32 {
+        match self {
             FocusedWidget::Previous => -1,
             FocusedWidget::Next => 0,
             FocusedWidget::Offset(offset) => offset as i32,

src/render/draw_data.rs

@@ -169,7 +169,9 @@ impl<'a> Iterator for DrawCmdIterator<'a> {
                 idx_offset: cmd.IdxOffset as usize,
             };
             match cmd.UserCallback {
-                Some(raw_callback) if raw_callback as isize == -1 => DrawCmd::ResetRenderState,
+                Some(raw_callback) if raw_callback as usize == -1isize as usize => {
+                    DrawCmd::ResetRenderState
+                }
                 Some(raw_callback) => DrawCmd::RawCallback {
                     callback: raw_callback,
                     raw_cmd: cmd,

src/widget/image.rs

@@ -115,7 +115,7 @@ impl ImageButton {
     /// - `= 0`: no framing
     /// - `> 0`: set framing size
     pub fn frame_padding(mut self, frame_padding: i32) -> Self {
-        self.frame_padding = frame_padding.into();
+        self.frame_padding = frame_padding;
         self
     }
     /// Sets the background color (default: no background color)

src/widget/menu.rs

@@ -10,28 +10,31 @@ impl<'ui> Ui<'ui> {
     /// Creates and starts appending to a full-screen menu bar.
     ///
     /// Returns `None` if the menu bar is not visible and no content should be rendered.
-    pub fn main_menu_bar<'a>(&'a self) -> Option<MainMenuBarToken<'a>> {
-        match unsafe { sys::igBeginMainMenuBar() } {
-            true => Some(MainMenuBarToken { _ui: PhantomData }),
-            false => None,
+    pub fn main_menu_bar(&self) -> Option<MainMenuBarToken> {
+        if unsafe { sys::igBeginMainMenuBar() } {
+            Some(MainMenuBarToken { _ui: PhantomData })
+        } else {
+            None
         }
     }
     /// Creates and starts appending to the menu bar of the current window.
     ///
     /// Returns `None` if the menu bar is not visible and no content should be rendered.
-    pub fn menu_bar<'a>(&'a self) -> Option<MenuBarToken<'a>> {
-        match unsafe { sys::igBeginMenuBar() } {
-            true => Some(MenuBarToken { _ui: PhantomData }),
-            false => None,
+    pub fn menu_bar(&self) -> Option<MenuBarToken> {
+        if unsafe { sys::igBeginMenuBar() } {
+            Some(MenuBarToken { _ui: PhantomData })
+        } else {
+            None
         }
     }
     /// Creates and starts appending to a sub-menu entry.
     ///
     /// Returns `None` if the menu is not visible and no content should be rendered.
-    pub fn menu<'a>(&'a self, label: &ImStr, enabled: bool) -> Option<MenuToken<'a>> {
-        match unsafe { sys::igBeginMenu(label.as_ptr(), enabled) } {
-            true => Some(MenuToken { _ui: PhantomData }),
-            false => None,
+    pub fn menu(&self, label: &ImStr, enabled: bool) -> Option<MenuToken> {
+        if unsafe { sys::igBeginMenu(label.as_ptr(), enabled) } {
+            Some(MenuToken { _ui: PhantomData })
+        } else {
+            None
         }
     }
 }

src/widget/progress_bar.rs

@@ -51,7 +51,7 @@ impl<'a> ProgressBar<'a> {
     /// bar choose a size, and positive values will use the given size.
     #[inline]
     pub fn size(mut self, size: [f32; 2]) -> Self {
-        self.size = size.into();
+        self.size = size;
         self
     }
     /// Builds the progress bar

src/widget/selectable.rs

@@ -98,7 +98,7 @@ impl<'a> Selectable<'a> {
     /// - `= 0.0`: use label height
     #[inline]
     pub fn size(mut self, size: [f32; 2]) -> Self {
-        self.size = size.into();
+        self.size = size;
         self
     }
     /// Builds the selectable.