don't reload app scheme on color theme change

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fltk-theme"
-version = "0.2.2"
+version = "0.2.3"
 authors = ["MoAlyousef <[email protected]>"]
 edition = "2018"
 description = "A theming crate for fltk-rs"

examples/predef_color.rs

@@ -3,12 +3,34 @@ use fltk_theme::{color_themes, ColorTheme};
 
 fn main() {
     let a = app::App::default().with_scheme(app::Scheme::Gtk);
-    let theme = ColorTheme::from_colormap(color_themes::DARK_THEME);
-    theme.apply();
+    app::set_visible_focus(false);
+
+    let color_theme = ColorTheme::from_colormap(color_themes::BLACK_THEME);
+    color_theme.apply();
     let mut win = window::Window::default().with_size(400, 300);
-    let mut btn = button::Button::new(160, 200, 80, 40, "Hello");
-    btn.set_color(btn.color().lighter());
+    let mut choice = menu::Choice::new(100, 100, 200, 30, None);
+    choice.add_choice("Black|Dark|Gray|Shake|Tan");
+    choice.set_value(0);
+    let mut check = button::CheckButton::new(160, 150, 80, 30, "  Check");
+    check.set_value(true);
+    check.set_frame(enums::FrameType::FlatBox);
+    let mut round = button::RoundButton::new(160, 180, 80, 30, "  Round");
+    round.set_value(true);
+    round.set_frame(enums::FrameType::FlatBox);
+    button::Button::new(160, 220, 80, 30, "Hello");
     win.end();
     win.show();
+    choice.set_callback(|c| {
+        let theme = match c.value() {
+            0 => ColorTheme::from_colormap(color_themes::BLACK_THEME),
+            1 => ColorTheme::from_colormap(color_themes::DARK_THEME),
+            2 => ColorTheme::from_colormap(color_themes::GRAY_THEME),
+            3 => ColorTheme::from_colormap(color_themes::SHAKE_THEME),
+            4 => ColorTheme::from_colormap(color_themes::TAN_THEME),
+            _ => ColorTheme::from_colormap(color_themes::BLACK_THEME),
+        };
+        theme.apply();
+    });
+
     a.run().unwrap();
 }

src/lib.rs

@@ -109,7 +109,7 @@ impl ColorTheme {
         for elem in &self.0 {
             app::set_color(Color::by_index(elem.index), elem.r, elem.g, elem.b);
         }
-        app::reload_scheme().ok();
+        app::redraw();
     }
 }