Fixes for resizing

Cargo.toml

@@ -19,7 +19,9 @@ features = ["syntect"]
 git = "https://github.com/pop-os/libcosmic"
 branch = "theme-dark-light-switching"
 default-features = false
-features = ["winit"]
+features = ["wayland"]
+#TODO: winit does not support size limits, resizing
+#features = ["winit"]
 #path = "../libcosmic"
 
 [dependencies.rfd]

src/main.rs

@@ -5,7 +5,7 @@ use cosmic::{
     executor,
     iced::{
         widget::{column, row, text},
-        Alignment, Length,
+        Alignment, Length, Limits,
     },
     widget::{icon, segmented_button, view_switcher},
     ApplicationExt, Element,
@@ -36,8 +36,8 @@ static FONT_SIZES: &'static [Metrics] = &[
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
 
-    let settings = Settings::default();
-    //TODO: settings.window.min_size = Some((400, 100));
+    let settings = Settings::default()
+        .size_limits(Limits::NONE.min_width(400.0).min_height(200.0));
     let flags = ();
     cosmic::app::run::<App>(settings, flags)?;
 

src/text_box.rs

@@ -177,7 +177,6 @@ where
 
         let height = layout_lines as f32 * editor.buffer().metrics().line_height;
         let size = Size::new(limits.max().width, height);
-        log::info!("size {:?}", size);
 
         layout::Node::new(limits.resolve(size))
     }
@@ -244,6 +243,11 @@ where
 
         let image_w = (view_w as f64 * scale_factor) as i32;
         let image_h = (view_h as f64 * scale_factor) as i32;
+        
+        if image_w <= 0 || image_h <= 0 {
+            // Zero sized image
+            return;
+        }
 
         let mut font_system = FONT_SYSTEM.lock().unwrap();
         let mut editor = editor.borrow_with(&mut font_system);