137 lines
5.2 KiB
Rust
137 lines
5.2 KiB
Rust
// Copyright 2016 Matthew Collins
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Copyright 2016 Matthew Collins
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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ui_element!(Button {
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width: f64,
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height: f64,
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disabled: bool,
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});
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impl Button {
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base_impl!();
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pub fn new(x: f64, y: f64, w: f64, h: f64) -> Button {
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let mut btn = ui_create!(Button {
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x: x,
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y: y,
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width: w,
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height: h,
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disabled: false,
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});
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btn.add_hover_func(|_,_,_|{}); // Force hover events to be called
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btn
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}
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fn update(&mut self, _renderer: &mut render::Renderer) {
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}
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fn draw(&mut self,
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renderer: &mut render::Renderer,
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r: &Region,
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width: f64,
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height: f64,
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_delta: f64)
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-> &Vec<u8> {
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if self.dirty {
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self.dirty = false;
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let sx = r.w / self.width;
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let sy = r.h / self.height;
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let offset = match (self.disabled, self.hovered) {
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(true, _) => 46.0,
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(false, true) => 86.0,
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(false, false) => 66.0,
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};
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let texture = render::Renderer::get_texture(renderer.get_textures_ref(), "gui/widgets")
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.relative(0.0, offset / 256.0, 200.0 / 256.0, 20.0 / 256.0);
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self.data.clear();
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self.data.extend(render::ui::UIElement::new(&texture, r.x, r.y, 4.0 * sx, 4.0 * sy, 0.0, 0.0, 2.0/200.0, 2.0/20.0).bytes(width, height));
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self.data.extend(render::ui::UIElement::new(&texture, r.x + r.w - 4.0 * sx, r.y, 4.0 * sx, 4.0 * sy, 198.0/200.0, 0.0, 2.0/200.0, 2.0/20.0).bytes(width, height));
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self.data.extend(render::ui::UIElement::new(&texture, r.x, r.y + r.h - 6.0 * sy, 4.0 * sx, 6.0 * sy, 0.0, 17.0/20.0, 2.0/200.0, 3.0/20.0).bytes(width, height));
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self.data.extend(render::ui::UIElement::new(&texture, r.x + r.w - 4.0 * sx, r.y + r.h - 6.0 * sy, 4.0 * sx, 6.0 * sy, 198.0/200.0, 17.0/20.0, 2.0/200.0, 3.0/20.0).bytes(width, height));
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let w = ((r.w / sx)/2.0) - 4.0;
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self.data.extend(render::ui::UIElement::new(
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&texture.relative(2.0/200.0, 0.0, 196.0/200.0, 2.0/20.0),
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r.x+4.0*sx, r.y, r.w - 8.0 * sx, 4.0 * sy, 0.0, 0.0, w/196.0, 1.0).bytes(width, height)
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);
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self.data.extend(render::ui::UIElement::new(
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&texture.relative(2.0/200.0, 17.0/20.0, 196.0/200.0, 3.0/20.0),
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r.x+4.0*sx, r.y+r.h-6.0*sy, r.w - 8.0 * sx, 6.0 * sy, 0.0, 0.0, w/196.0, 1.0).bytes(width, height)
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);
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let h = ((r.h / sy)/2.0) - 5.0;
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self.data.extend(render::ui::UIElement::new(
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&texture.relative(0.0/200.0, 2.0/20.0, 2.0/200.0, 15.0/20.0),
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r.x, r.y + 4.0*sy, 4.0 * sx, r.h - 10.0*sy, 0.0, 0.0, 1.0, h/16.0).bytes(width, height)
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);
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self.data.extend(render::ui::UIElement::new(
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&texture.relative(198.0/200.0, 2.0/20.0, 2.0/200.0, 15.0/20.0),
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r.x+r.w - 4.0 * sx, r.y + 4.0*sy, 4.0 * sx, r.h - 10.0*sy, 0.0, 0.0, 1.0, h/16.0).bytes(width, height)
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);
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self.data.extend(render::ui::UIElement::new(
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&texture.relative(2.0/200.0, 2.0/20.0, 196.0/200.0, 15.0/20.0),
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r.x+4.0*sx, r.y+4.0*sy, r.w - 8.0 * sx, r.h - 10.0 * sy, 0.0, 0.0, w/196.0, h/16.0).bytes(width, height)
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);
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}
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&self.data
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}
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pub fn get_size(&self) -> (f64, f64) {
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(self.width, self.height)
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}
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lazy_field!(width, f64, get_width, set_width);
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lazy_field!(height, f64, get_height, set_height);
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lazy_field!(disabled, bool, is_disabled, set_disabled);
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}
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impl UIElement for Button {
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fn wrap(self) -> Element {
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Element::Button(self)
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}
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fn unwrap_ref<'a>(e: &'a Element) -> &'a Button {
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match e {
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&Element::Button(ref val) => val,
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_ => panic!("Incorrect type"),
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}
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}
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fn unwrap_ref_mut<'a>(e: &'a mut Element) -> &'a mut Button {
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match e {
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&mut Element::Button(ref mut val) => val,
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_ => panic!("Incorrect type"),
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}
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}
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}
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