fix(ui): auto-size modal dialogs

Measure dialog content before fill layout so fields stay visible.\nKeep the MText preview width tied to its toolbar width.\n\nRefs #608

src/ui/modal.rs

@@ -9,7 +9,7 @@ use crate::app::Message;
 use iced::advanced::layout::{self, Layout};
 use iced::advanced::widget::{self, Widget};
 use iced::advanced::{mouse, overlay, renderer, Shell};
-use iced::widget::{button, column, container, mouse_area, opaque, row, stack, Space};
+use iced::widget::{button, column, container, mouse_area, opaque, row, sensor, stack, Space};
 use iced::{
     Background, Border, Element, Event, Length, Padding, Rectangle, Renderer, Size, Theme, Vector,
 };
@@ -42,10 +42,6 @@ impl ModalSizing {
         width: Length::Fill,
         height: Length::Fill,
     };
-
-    pub fn from_resize(_resize: Vector) -> Self {
-        Self::FILL
-    }
 }
 
 /// Measure an intrinsic copy of `content`, then lay the fill copy out in the
@@ -326,9 +322,10 @@ pub fn modal<'a>(
     // The first stack layer dictates its intrinsic size. Its top spacer reserves
     // room for the title, while the actual title bar and resize grip overlay it
     // without influencing the modal dimensions.
+    let measured_content = sensor(content).on_resize(Message::ModalContentResized);
     let body_base = column![
         Space::new().height(Length::Fixed(24.0)),
-        content.into(),
+        measured_content,
     ]
     .spacing(6);
     let mut body = stack![body_base, title_bar];

src/ui/window/find_replace.rs

@@ -1,6 +1,6 @@
 use crate::app::Message;
 use iced::widget::{button, column, row, text, text_input, Space};
-use iced::{Element, Fill};
+use iced::{Element, Fill, Length, Shrink};
 
 pub const FIND_INPUT_ID: &str = "find-replace-search";
 
@@ -8,7 +8,13 @@ pub fn view_window<'a>(
     search: &'a str,
     replacement: &'a str,
     status: &'a str,
+    sizing: crate::ui::modal::ModalSizing,
 ) -> Element<'a, Message> {
+    let field_width = if matches!(sizing.width, Length::Fill) {
+        Fill
+    } else {
+        Shrink
+    };
     let find_input = text_input("Text to find", search)
         .id(iced::widget::Id::new(FIND_INPUT_ID))
         .on_input(Message::FindReplaceSearchChanged)
@@ -33,13 +39,13 @@ pub fn view_window<'a>(
     column![
         row![
             text("Find:").size(12).width(90),
-            find_input.width(Fill),
+            find_input.width(field_width),
         ]
         .spacing(8)
         .align_y(iced::Center),
         row![
             text("Replace with:").size(12).width(90),
-            replacement_input.width(Fill),
+            replacement_input.width(field_width),
         ]
         .spacing(8)
         .align_y(iced::Center),
@@ -47,7 +53,7 @@ pub fn view_window<'a>(
             .size(11),
         text(status).size(11),
         row![
-            Space::new().width(Fill),
+            Space::new().width(field_width),
             button(text("Close").size(12))
                 .on_press(Message::CloseModal)
                 .padding([6, 12])
@@ -61,6 +67,7 @@ pub fn view_window<'a>(
     ]
     .spacing(10)
     .padding(12)
-    .width(Fill)
+    .width(sizing.width)
+    .height(sizing.height)
     .into()
 }