ported ming-os graphics to linux framebuffer

src/components/highlight_button.rs

@@ -0,0 +1,78 @@
+use std::vec;
+use std::vec::Vec;
+
+use crate::components::Component;
+use crate::framebuffer::{ Dimensions, Point };
+use crate::themes::ThemeInfo;
+use crate::messages::WindowMessage;
+use crate::window_manager::DrawInstructions;
+
+pub struct HighlightButton<T> {
+  name_: String,
+  top_left: Point,
+  size: Dimensions,
+  text: &'static str,
+  pub highlighted: bool,
+  click_return: T,
+  toggle_highlight_return: T, //also unhighlight return
+}
+
+impl<T: Clone> Component<T> for HighlightButton<T> {
+  fn handle_message(&mut self, message: WindowMessage) -> Option<T> {
+    match message {
+      WindowMessage::Focus | WindowMessage::Unfocus => {
+        self.highlighted = !self.highlighted;
+        Some(self.toggle_highlight_return.clone())
+      },
+      WindowMessage::FocusClick => {
+        //we know this click was for this button, otherwise window wouldn't have given us this message
+        Some(self.click_return.clone())
+      },
+      _ => None,
+    }
+  }
+
+  fn draw(&self, theme_info: &ThemeInfo) -> Vec<DrawInstructions> {
+    let font_height = 15;
+    if self.highlighted {
+      vec![
+        //highlight background
+        DrawInstructions::Rect(self.top_left, self.size, theme_info.top),
+        DrawInstructions::Text([self.top_left[0] + 4, self.top_left[1] + (self.size[1] - font_height) / 2], "times-new-roman", self.text.to_string(), theme_info.text_top, theme_info.top, None),
+      ]
+    } else {
+      vec![
+        DrawInstructions::Rect(self.top_left, self.size, theme_info.background),
+        DrawInstructions::Text([self.top_left[0] + 4, self.top_left[1] + (self.size[1] - font_height) / 2], "times-new-roman", self.text.to_string(), theme_info.text, theme_info.background, None),
+      ]
+    }
+  }
+
+  //properties
+  fn focusable(&self) -> bool {
+    true
+  }
+
+  fn clickable(&self) -> bool {
+    true
+  }
+  
+  fn name(&self) -> &String {
+    &self.name_
+  }
+}
+
+impl<T> HighlightButton<T> {
+  pub fn new(name_: String, top_left: Point, size: Dimensions, text: &'static str, click_return: T, toggle_highlight_return: T, highlighted: bool) -> Self {
+    Self {
+      name_,
+      top_left,
+      size,
+      text,
+      click_return,
+      toggle_highlight_return,
+      highlighted,
+    }
+  }
+}
+