Add FileDialog::anchor()

fluxxcode · Feb 4, 2024 · c884dd9 · c884dd9
1 parent 1e34e5a
commit c884dd9
Show file tree

Hide file tree

Showing 2 changed files with 48 additions and 28 deletions.
diff --git a/examples/sandbox/src/main.rs b/examples/sandbox/src/main.rs
@@ -14,7 +14,8 @@ struct MyApp {
 impl MyApp {
     pub fn new(_cc: &eframe::CreationContext) -> Self {
         Self {
-            file_dialog: FileDialog::new(),
+            file_dialog: FileDialog::new()
+                .anchor(egui::Align2::CENTER_CENTER, egui::Vec2::new(0.0, 0.0)),
 
             selected_directory: None,
             selected_file: None,

diff --git a/src/file_dialog.rs b/src/file_dialog.rs
@@ -99,6 +99,8 @@ pub struct FileDialog {
     window_title: String,
     /// The default size of the window.
     default_window_size: egui::Vec2,
+    /// The anchor of the window.
+    window_anchor: Option<(egui::Align2, egui::Vec2)>,
 
     /// The dialog that is shown when the user wants to create a new directory.
     create_directory_dialog: CreateDirectoryDialog,
@@ -146,6 +148,7 @@ impl FileDialog {
 
             window_title: String::from("Select directory"),
             default_window_size: egui::Vec2::new(650.0, 370.0),
+            window_anchor: None,
 
             create_directory_dialog: CreateDirectoryDialog::new(),
 
@@ -177,6 +180,12 @@ impl FileDialog {
         self
     }
 
+    /// Sets the anchor of the window.
+    pub fn anchor(mut self, align: egui::Align2, offset: egui::Vec2) -> Self {
+        self.window_anchor = Some((align, offset));
+        self
+    }
+
     /// Sets the default file name when opening the dialog in `DialogMode::SaveFile` mode.
     pub fn default_file_name(mut self, name: &str) -> Self {
         self.default_file_name = name.to_string();
@@ -284,37 +293,31 @@ impl FileDialog {
 
         let mut is_open = true;
 
-        egui::Window::new(&self.window_title)
-            .open(&mut is_open)
-            .default_size(self.default_window_size)
-            .min_width(335.0)
-            .min_height(200.0)
-            .collapsible(false)
-            .show(ctx, |ui| {
-                egui::TopBottomPanel::top("fe_top_panel")
-                    .resizable(false)
-                    .show_inside(ui, |ui| {
-                        self.ui_update_top_panel(ctx, ui);
-                    });
-
-                egui::SidePanel::left("fe_left_panel")
-                    .resizable(true)
-                    .default_width(150.0)
-                    .width_range(90.0..=250.0)
-                    .show_inside(ui, |ui| {
-                        self.ui_update_left_panel(ctx, ui);
-                    });
+        self.create_window(&mut is_open).show(ctx, |ui| {
+            egui::TopBottomPanel::top("fe_top_panel")
+                .resizable(false)
+                .show_inside(ui, |ui| {
+                    self.ui_update_top_panel(ctx, ui);
+                });
 
-                egui::TopBottomPanel::bottom("fe_bottom_panel")
-                    .resizable(false)
-                    .show_inside(ui, |ui| {
-                        self.ui_update_bottom_panel(ctx, ui);
-                    });
+            egui::SidePanel::left("fe_left_panel")
+                .resizable(true)
+                .default_width(150.0)
+                .width_range(90.0..=250.0)
+                .show_inside(ui, |ui| {
+                    self.ui_update_left_panel(ctx, ui);
+                });
 
-                egui::CentralPanel::default().show_inside(ui, |ui| {
-                    self.ui_update_central_panel(ui);
+            egui::TopBottomPanel::bottom("fe_bottom_panel")
+                .resizable(false)
+                .show_inside(ui, |ui| {
+                    self.ui_update_bottom_panel(ctx, ui);
                 });
+
+            egui::CentralPanel::default().show_inside(ui, |ui| {
+                self.ui_update_central_panel(ui);
             });
+        });
 
         // User closed the window without finishing the dialog
         if !is_open {
@@ -324,6 +327,22 @@ impl FileDialog {
         self
     }
 
+    /// Creates a new egui window with the configured options.
+    fn create_window<'a>(&self, is_open: &'a mut bool) -> egui::Window<'a> {
+        let mut window = egui::Window::new(&self.window_title)
+            .open(is_open)
+            .default_size(self.default_window_size)
+            .min_width(355.0)
+            .min_height(200.0)
+            .collapsible(false);
+
+        if let Some((anchor, offset)) = self.window_anchor {
+            window = window.anchor(anchor, offset);
+        }
+
+        window
+    }
+
     /// Updates the top panel of the dialog. Including the navigation buttons,
     /// the current path display, the reload button and the search field.
     fn ui_update_top_panel(&mut self, ctx: &egui::Context, ui: &mut egui::Ui) {