Implement Home/End

examples/editor-libcosmic/src/text_box.rs

@@ -239,6 +239,14 @@ where
                     buffer.action(TextAction::Delete);
                     return Status::Captured;
                 },
+                KeyCode::Home => {
+                    buffer.action(TextAction::Home);
+                    return Status::Captured;
+                },
+                KeyCode::End => {
+                    buffer.action(TextAction::End);
+                    return Status::Captured;
+                },
                 KeyCode::PageUp => {
                     buffer.action(TextAction::PageUp);
                     return Status::Captured;

examples/editor-orbclient/src/main.rs

@@ -166,6 +166,8 @@ fn main() {
                     orbclient::K_DOWN if event.pressed => buffer.action(TextAction::Down),
                     orbclient::K_BKSP if event.pressed => buffer.action(TextAction::Backspace),
                     orbclient::K_DEL if event.pressed => buffer.action(TextAction::Delete),
+                    orbclient::K_HOME if event.pressed => buffer.action(TextAction::Home),
+                    orbclient::K_END if event.pressed => buffer.action(TextAction::End),
                     orbclient::K_PGUP if event.pressed => buffer.action(TextAction::PageUp),
                     orbclient::K_PGDN if event.pressed => buffer.action(TextAction::PageDown),
                     orbclient::K_0 if event.pressed && ctrl_pressed => {

src/buffer.rs

@@ -21,6 +21,10 @@ pub enum TextAction {
     Backspace,
     /// Delete text in front of cursor
     Delete,
+    /// Move cursor to start of line
+    Home,
+    /// Move cursor to end of line
+    End,
     /// Scroll up one page
     PageUp,
     /// Scroll down one page
@@ -382,6 +386,19 @@ impl<'a> TextBuffer<'a> {
                     self.reshape_line(line.line_i);
                 }
             },
+            TextAction::Home => {
+                if self.cursor.glyph > 0 {
+                    self.cursor.glyph = 0;
+                    self.redraw = true;
+                }
+            },
+            TextAction::End => {
+                let line = &self.layout_lines[self.cursor.line];
+                if self.cursor.glyph < line.glyphs.len() {
+                    self.cursor.glyph = line.glyphs.len();
+                    self.redraw = true;
+                }
+            }
             TextAction::PageUp => {
                 self.scroll -= self.lines();
                 self.redraw = true;