egui: allocate whole available height for canvas

This commit is contained in:
Mikolaj Wielgus 2024-09-10 22:54:44 +02:00
parent 0cdec86900
commit 8c671e5a2c
5 changed files with 29 additions and 47 deletions

View File

@ -202,7 +202,7 @@ impl eframe::App for App {
ctx,
&self.translator,
&self.viewport,
viewport_rect,
&viewport_rect,
&self.maybe_execute,
);

View File

@ -14,14 +14,13 @@ impl Bottom {
ctx: &egui::Context,
tr: &Translator,
viewport: &Viewport,
viewport_rect: egui::Rect,
viewport_rect: &egui::Rect,
maybe_execute: &Option<ExecuteWithStatus>,
) {
egui::TopBottomPanel::bottom("bottom_panel").show(ctx, |ui| {
let transform = egui::emath::RectTransform::from_to(viewport.from_rect, viewport_rect);
let latest_pos = transform
.inverse()
.transform_pos(ctx.input(|i| i.pointer.latest_pos().unwrap_or_default()));
let latest_pos = viewport.transform.inverse()
* ctx.input(|i| i.pointer.latest_pos().unwrap_or_default())
- viewport_rect.size() / 2.0;
let mut message = String::from("");

View File

@ -6,14 +6,14 @@ use topola::{
pub struct Painter<'a> {
ui: &'a mut egui::Ui,
transform: egui::emath::RectTransform,
transform: egui::emath::TSTransform,
paint_bboxes: bool,
}
impl<'a> Painter<'a> {
pub fn new(
ui: &'a mut egui::Ui,
transform: egui::emath::RectTransform,
transform: egui::emath::TSTransform,
paint_bboxes: bool,
) -> Self {
Self {
@ -29,11 +29,11 @@ impl<'a> Painter<'a> {
PrimitiveShape::Seg(seg) => egui::Shape::line_segment(
[
self.transform
.transform_pos([seg.from.x() as f32, -seg.from.y() as f32].into()),
.mul_pos([seg.from.x() as f32, -seg.from.y() as f32].into()),
self.transform
.transform_pos([seg.to.x() as f32, -seg.to.y() as f32].into()),
.mul_pos([seg.to.x() as f32, -seg.to.y() as f32].into()),
],
egui::Stroke::new(seg.width as f32 * self.transform.scale().x, color),
egui::Stroke::new(seg.width as f32 * self.transform.scaling, color),
),
PrimitiveShape::Bend(bend) => {
let circle = bend.circle();
@ -46,12 +46,12 @@ impl<'a> Painter<'a> {
for i in 0..=100 {
let x = circle.pos.x() + circle.r * (angle_from + i as f64 * angle_step).cos();
let y = circle.pos.y() + circle.r * (angle_from + i as f64 * angle_step).sin();
points.push(self.transform.transform_pos([x as f32, -y as f32].into()));
points.push(self.transform.mul_pos([x as f32, -y as f32].into()));
}
egui::Shape::line(
points,
egui::Stroke::new(bend.width as f32 * self.transform.scale().x, color),
egui::Stroke::new(bend.width as f32 * self.transform.scaling, color),
)
}
};
@ -65,7 +65,7 @@ impl<'a> Painter<'a> {
max: [bbox.upper()[0] as f32, -bbox.lower()[1] as f32].into(),
};
self.ui.painter().add(egui::Shape::rect_stroke(
self.transform.transform_rect(rect),
self.transform.mul_rect(rect),
egui::Rounding::ZERO,
egui::Stroke::new(1.0, egui::Color32::GRAY),
));
@ -80,8 +80,8 @@ impl<'a> Painter<'a> {
fn dot_shape(&mut self, circle: Circle, color: egui::epaint::Color32) -> egui::Shape {
egui::Shape::circle_filled(
self.transform
.transform_pos([circle.pos.x() as f32, -circle.pos.y() as f32].into()),
circle.r as f32 * self.transform.scale().x,
.mul_pos([circle.pos.x() as f32, -circle.pos.y() as f32].into()),
circle.r as f32 * self.transform.scaling,
color,
)
}
@ -92,7 +92,7 @@ impl<'a> Painter<'a> {
.exterior_coords_iter()
.map(|coords| {
self.transform
.transform_pos([coords.x as f32, -coords.y as f32].into())
.mul_pos([coords.x as f32, -coords.y as f32].into())
})
.collect(),
color,
@ -104,9 +104,9 @@ impl<'a> Painter<'a> {
self.ui.painter().add(egui::Shape::line_segment(
[
self.transform
.transform_pos([from.x() as f32, -from.y() as f32].into()),
.mul_pos([from.x() as f32, -from.y() as f32].into()),
self.transform
.transform_pos([to.x() as f32, -to.y() as f32].into()),
.mul_pos([to.x() as f32, -to.y() as f32].into()),
],
stroke,
));

View File

@ -22,13 +22,14 @@ use topola::{
use crate::{app::execute, layers::Layers, overlay::Overlay, painter::Painter, top::Top};
pub struct Viewport {
pub from_rect: egui::emath::Rect,
pub transform: egui::emath::TSTransform,
}
impl Viewport {
pub fn new() -> Self {
Self {
from_rect: egui::Rect::from_x_y_ranges(0.0..=1000000.0, 0.0..=500000.0),
//from_rect: egui::Rect::from_x_y_ranges(0.0..=1000000.0, 0.0..=500000.0),
transform: egui::emath::TSTransform::new([0.0, 0.0].into(), 0.01),
}
}
@ -45,32 +46,16 @@ impl Viewport {
egui::Frame::canvas(ui.style()).show(ui, |ui| {
ui.ctx().request_repaint();
let desired_size = ui.available_width() * egui::vec2(1.0, 0.5);
let (_id, viewport_rect) = ui.allocate_space(desired_size);
let (_id, viewport_rect) = ui.allocate_space(ui.available_size());
let latest_pos = self.transform.inverse() * (ctx.input(|i| i.pointer.latest_pos().unwrap_or_default()));
let old_transform =
egui::emath::RectTransform::from_to(self.from_rect, viewport_rect);
let latest_pos = old_transform
.inverse()
.transform_pos(ctx.input(|i| i.pointer.latest_pos().unwrap_or_default()));
let old_scaling = self.transform.scaling;
self.transform.scaling *= ctx.input(|i| i.zoom_delta());
let old_scale = old_transform.scale().x;
self.from_rect = self.from_rect / ctx.input(|i| i.zoom_delta());
self.transform.translation += latest_pos.to_vec2() * (old_scaling - self.transform.scaling);
self.transform.translation += ctx.input(|i| i.smooth_scroll_delta);
let new_scale = egui::emath::RectTransform::from_to(self.from_rect, viewport_rect)
.scale()
.x;
self.from_rect = self.from_rect.translate(
ctx.input(|i| latest_pos.to_vec2() * (new_scale - old_scale) / new_scale),
);
self.from_rect = self
.from_rect
.translate(ctx.input(|i| -i.raw_scroll_delta / new_scale));
let transform = egui::emath::RectTransform::from_to(self.from_rect, viewport_rect);
let mut painter = Painter::new(ui, transform, top.show_bboxes);
let mut painter = Painter::new(ui, self.transform, top.show_bboxes);
if let Some(ref mut invoker) = maybe_invoker {
if ctx.input(|i| i.pointer.any_click()) {

View File

@ -1,5 +1,3 @@
use std::convert::Infallible;
use geo::EuclideanDistance;
use petgraph::{data::DataMap, visit::EdgeRef};
use serde::{Deserialize, Serialize};
@ -16,7 +14,7 @@ use crate::{
Collision, DrawingException, Infringement,
},
geometry::{
primitive::{AccessPrimitiveShape, PrimitiveShape},
primitive::PrimitiveShape,
shape::{AccessShape, MeasureLength},
},
graph::{GetPetgraphIndex, MakeRef},