stuff for ime positioning

src/core/text/edit.rs

@@ -126,29 +126,38 @@ impl<'a> TextEditCtx<'a> {
         }
     }
 
+    pub fn replace(&mut self, len: usize, text: &str) {
+        for _ in 0..len {
+            self.delete();
+        }
+        self.insert_inner(text, false);
+    }
+
     pub fn insert(&mut self, text: &str) {
         let mut lines = text.split('\n');
         let Some(first) = lines.next() else {
             return;
         };
-        self.insert_inner(first);
+        self.insert_inner(first, true);
         for line in lines {
             self.newline();
-            self.insert_inner(line);
+            self.insert_inner(line, true);
         }
     }
 
-    fn insert_inner(&mut self, text: &str) {
+    fn insert_inner(&mut self, text: &str, mov: bool) {
         if let Some(cursor) = &mut self.text.cursor {
             let line = &mut self.text.view.buf.lines[cursor.line];
             let mut line_text = line.text().to_string();
             line_text.insert_str(cursor.index, text);
             line.set_text(line_text, line.ending(), line.attrs_list().clone());
-            for _ in 0..text.len() {
+            if mov {
+                for _ in 0..text.chars().count() {
                     self.motion(Motion::Right);
                 }
             }
         }
+    }
 
     pub fn newline(&mut self) {
         if let Some(cursor) = &mut self.text.cursor {

src/layout/pos.rs

@@ -272,8 +272,8 @@ impl UiRegion {
         self
     }
 
-    pub fn to_screen(&self, size: Vec2) -> ScreenRegion {
-        ScreenRegion {
+    pub fn to_screen(&self, size: Vec2) -> PixelRegion {
+        PixelRegion {
             top_left: self.top_left.rel * size + self.top_left.abs,
             bot_right: self.bot_right.rel * size + self.bot_right.abs,
         }
@@ -329,17 +329,22 @@ impl Display for UiRegion {
 }
 
 #[derive(Debug)]
-pub struct ScreenRegion {
+pub struct PixelRegion {
     pub top_left: Vec2,
     pub bot_right: Vec2,
 }
-impl ScreenRegion {
+
+impl PixelRegion {
     pub fn contains(&self, pos: Vec2) -> bool {
         pos.x >= self.top_left.x
             && pos.x <= self.bot_right.x
             && pos.y >= self.top_left.y
             && pos.y <= self.bot_right.y
     }
+
+    pub fn size(&self) -> Vec2 {
+        self.bot_right - self.top_left
+    }
 }
 
 pub struct UIRegionAxisView<'a> {

src/layout/ui.rs

@@ -3,8 +3,8 @@ use image::DynamicImage;
 use crate::{
     core::{TextEdit, TextEditCtx},
     layout::{
-        IdLike, PainterCtx, PainterData, StaticWidgetId, TextureHandle, Vec2, Widget, WidgetId,
-        WidgetLike,
+        IdLike, PainterCtx, PainterData, PixelRegion, StaticWidgetId, TextureHandle, Vec2, Widget,
+        WidgetId, WidgetLike,
     },
     util::Id,
 };
@@ -179,6 +179,11 @@ impl Ui {
         }
     }
 
+    pub fn window_region<W>(&self, id: &impl IdLike<W>) -> Option<PixelRegion> {
+        let region = self.data.active.get(&id.id())?.region;
+        Some(region.to_screen(self.data.output_size))
+    }
+
     pub fn debug(&self, label: &str) {
         for (id, inst) in &self.data.active {
             let l = &self.data.widgets.data(id).unwrap().label;

src/layout/vec2.rs

@@ -43,6 +43,10 @@ impl Vec2 {
             y: self.y.ceil(),
         }
     }
+
+    pub const fn tuple(&self) -> (f32, f32) {
+        (self.x, self.y)
+    }
 }
 
 impl<T: const UiNum + Copy> const From<T> for Vec2 {