From f20a2e3294dede4612356959f514000181b75f84 Mon Sep 17 00:00:00 2001
From: Mohammed Alyousef <may642_2000@hotmail.com>
Date: Thu, 26 Sep 2024 19:14:13 +0300
Subject: [PATCH] update to egui 0.29

---
 Cargo.toml |  8 +++---
 src/lib.rs | 71 +++++++++++++++++++++---------------------------------
 2 files changed, 31 insertions(+), 48 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 8777f82..827bf03 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fltk-egui"
-version = "0.16.0"
+version = "0.17.0"
 edition = "2021"
 authors = ["MoAlyousef <mohammed.alyousef@neurosrg.com>", "Adia Robbie <adyaro37@gmail.com>"]
 description = "FLTK backend for egui"
@@ -13,14 +13,14 @@ license = "MIT"
 rust-version = "1.72"
 
 [dependencies]
-egui = { version = "0.27" }
-egui_glow = { version = "0.27", default-features = false }
+egui = { version = "0.29" }
+egui_glow = { version = "0.29", default-features = false }
 arboard = { version = "3.3" }
 fltk = { version = "1.4.12", features = ["enable-glwindow"] }
 
 # for the demo_windows example
 [dev-dependencies]
-egui_demo_lib = { version = "0.27" }
+egui_demo_lib = { version = "0.29" }
 
 [features]
 wayland = ["fltk/use-wayland"]
diff --git a/src/lib.rs b/src/lib.rs
index 0a4ffa7..62eb3da 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@
 
 use std::{sync::Arc, time::Instant};
 
-use egui::{pos2, vec2, CursorIcon, Event, Key, Modifiers, Pos2, RawInput, Rect, Vec2};
+use egui::{pos2, vec2, CursorIcon, Event, Key, Modifiers, MouseWheelUnit, Pos2, RawInput, Rect};
 use egui_glow::{glow, Painter};
 use egui_image::RetainedEguiImage;
 use fltk::{
@@ -21,7 +21,7 @@ pub fn init(win: &mut GlWindow) -> (Painter, EguiState) {
     app::set_screen_scale(win.screen_num(), 1.);
     app::keyboard_screen_scaling(false);
     let gl = unsafe { glow::Context::from_loader_function(|s| win.get_proc_address(s) as _) };
-    let painter = Painter::new(Arc::from(gl), "", None)
+    let painter = Painter::new(Arc::from(gl), "", None, false)
         .unwrap_or_else(|error| panic!("some OpenGL error occurred {}\n", error));
     let max_texture_side = painter.max_texture_side();
     (painter, EguiState::new(&win, max_texture_side))
@@ -294,49 +294,32 @@ pub fn input_to_egui(
         }
 
         enums::Event::MouseWheel => {
-            if app::is_event_ctrl() {
-                let zoom_factor = state.zoom_factor;
-                match app::event_dy() {
-                    app::MouseWheel::Up => {
-                        let delta = egui::vec2(1., -1.) * zoom_factor;
-
-                        // Treat as zoom in:
-                        state
-                            .input
-                            .events
-                            .push(Event::Zoom((delta.y / 200.0).exp()));
-                    }
-                    app::MouseWheel::Down => {
-                        let delta = egui::vec2(-1., 1.) * zoom_factor;
-
-                        // Treat as zoom out:
-                        state
-                            .input
-                            .events
-                            .push(Event::Zoom((delta.y / 200.0).exp()));
-                    }
-                    _ => (),
-                }
-            } else {
-                let scroll_factor = state.scroll_factor;
-                match app::event_dy() {
-                    app::MouseWheel::Up => {
-                        state.input.events.push(Event::Scroll(Vec2 {
-                            x: 0.,
-                            y: -scroll_factor,
-                        }));
-                    }
-                    app::MouseWheel::Down => {
-                        state.input.events.push(Event::Scroll(Vec2 {
-                            x: 0.,
-                            y: scroll_factor,
-                        }));
-                    }
-                    _ => (),
-                }
-            }
+            let keymod = app::event_state();
+            state.input.modifiers = Modifiers {
+                alt: (keymod & enums::EventState::Alt == enums::EventState::Alt),
+                ctrl: (keymod & enums::EventState::Ctrl == enums::EventState::Ctrl),
+                shift: (keymod & enums::EventState::Shift == enums::EventState::Shift),
+                mac_cmd: keymod & enums::EventState::Meta == enums::EventState::Meta,
+
+                //TOD: Test on both windows and mac
+                command: (keymod & enums::EventState::Command == enums::EventState::Command),
+            };
+            let negx = match app::event_dx() {
+                app::MouseWheel::Right => 1.,
+                app::MouseWheel::Left => -1.,
+                _ => 0.,
+            };
+            let negy = match app::event_dy() {
+                app::MouseWheel::Up => -1.,
+                app::MouseWheel::Down => 1.,
+                _ => 0.,
+            };
+            state.input.events.push(Event::MouseWheel {
+                unit: MouseWheelUnit::Line,
+                delta: vec2(1. * negx, 1. * negy) ,
+                modifiers: state.input.modifiers,
+            });
         }
-
         _ => {
             //dbg!(event);
         }