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Add Padding to the TextBox (#36)

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* WIP: initial text-margin support

* Fix the selection issue when clicking the margins

* Move the margin size into the main

* using padding, consistent with iced text_input

* Added top and bottom margin

* bugfix: selection starting from the top margin works

* bugfix: left half of first glyph was being ignored
This commit is contained in:
Hojjat 2022-11-10 11:55:12 -07:00 • committed by GitHub
parent bbe7d77b7b
commit b253800383
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 51 additions and 19 deletions
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24
examples/editor-libcosmic/src/syntax_text_box.rs
View file

@ -11,6 +11,7 @@ use cosmic::{
mouse::{self, Button, Event as MouseEvent, ScrollDelta},
renderer,
widget::{self, tree, Widget},
Padding
},
};
use cosmic_text::{
@ -27,14 +28,21 @@ use super::text;
pub struct SyntaxTextBox<'a> {
editor: &'a Mutex<SyntaxEditor<'static>>,
padding: Padding,
}
impl<'a> SyntaxTextBox<'a> {
pub fn new(editor: &'a Mutex<SyntaxEditor<'static>>) -> Self {
Self {
editor,
padding: Padding::new(0),
}
}
pub fn padding<P: Into<Padding>>(mut self, padding: P) -> Self {
self.padding = padding.into();
self
}
}
pub fn syntax_text_box<'a>(editor: &'a Mutex<SyntaxEditor<'static>>) -> SyntaxTextBox<'a> {
@ -116,8 +124,8 @@ where
let mut editor = self.editor.lock().unwrap();
let view_w = cmp::min(viewport.width as i32, layout.bounds().width as i32);
let view_h = cmp::min(viewport.height as i32, layout.bounds().height as i32);
let view_w = cmp::min(viewport.width as i32, layout.bounds().width as i32) - self.padding.horizontal() as i32;
let view_h = cmp::min(viewport.height as i32, layout.bounds().height as i32)- self.padding.vertical() as i32;
editor.buffer_mut().set_size(view_w, view_h);
editor.shape_as_needed();
@ -137,7 +145,7 @@ where
renderer.fill_quad(
renderer::Quad {
bounds: Rectangle::new(
Point::new(layout.position().x + x as f32, layout.position().y + y as f32),
layout.position() + [x as f32, y as f32].into() + [self.padding.left as f32, self.padding.top as f32].into(),
Size::new(w as f32, h as f32)
),
border_radius: 0.0,
@ -158,7 +166,7 @@ where
let handle = image::Handle::from_pixels(view_w as u32, view_h as u32, pixels);
image::Renderer::draw(renderer, handle, Rectangle::new(
layout.position(),
layout.position() + [self.padding.left as f32, self.padding.top as f32].into(),
Size::new(view_w as f32, view_h as f32)
));
@ -235,8 +243,8 @@ where
Event::Mouse(MouseEvent::ButtonPressed(Button::Left)) => {
if layout.bounds().contains(cursor_position) {
editor.action(Action::Click {
x: (cursor_position.x - layout.bounds().x) as i32,
y: (cursor_position.y - layout.bounds().y) as i32,
x: (cursor_position.x - layout.bounds().x) as i32 - self.padding.left as i32,
y: (cursor_position.y - layout.bounds().y) as i32 - self.padding.top as i32,
});
state.is_dragging = true;
status = Status::Captured;
@ -249,8 +257,8 @@ where
Event::Mouse(MouseEvent::CursorMoved { .. }) => {
if state.is_dragging {
editor.action(Action::Drag {
x: (cursor_position.x - layout.bounds().x) as i32,
y: (cursor_position.y - layout.bounds().y) as i32,
x: (cursor_position.x - layout.bounds().x) as i32 - self.padding.left as i32,
y: (cursor_position.y - layout.bounds().y) as i32 - self.padding.top as i32,
});
status = Status::Captured;
}

27
examples/editor-libcosmic/src/text_box.rs
View file

@ -11,6 +11,7 @@ use cosmic::{
mouse::{self, Button, Event as MouseEvent, ScrollDelta},
renderer,
widget::{self, tree, Widget},
Padding
},
theme::Theme,
};
@ -52,14 +53,22 @@ impl StyleSheet for Theme {
pub struct TextBox<'a> {
editor: &'a Mutex<Editor<'static>>,
padding: Padding,
}
impl<'a> TextBox<'a> {
pub fn new(editor: &'a Mutex<Editor<'static>>) -> Self {
Self {
editor,
padding: Padding::new(0),
}
}
pub fn padding<P: Into<Padding>>(mut self, padding: P) -> Self {
self.padding = padding.into();
self
}
}
pub fn text_box<'a>(editor: &'a Mutex<Editor<'static>>) -> TextBox<'a> {
@ -163,8 +172,8 @@ where
let mut editor = self.editor.lock().unwrap();
let view_w = cmp::min(viewport.width as i32, layout.bounds().width as i32);
let view_h = cmp::min(viewport.height as i32, layout.bounds().height as i32);
let view_w = cmp::min(viewport.width as i32, layout.bounds().width as i32) - self.padding.horizontal() as i32;
let view_h = cmp::min(viewport.height as i32, layout.bounds().height as i32) - self.padding.vertical() as i32;
editor.buffer.set_size(view_w, view_h);
editor.shape_as_needed();
@ -184,8 +193,8 @@ where
renderer.fill_quad(
renderer::Quad {
bounds: Rectangle::new(
Point::new(layout.position().x + x as f32, layout.position().y + y as f32),
Size::new(w as f32, h as f32)
layout.position() + [x as f32, y as f32].into() + [self.padding.left as f32, self.padding.top as f32].into(),
Size::new(w as f32 , h as f32)
),
border_radius: 0.0,
border_width: 0.0,
@ -205,7 +214,7 @@ where
let handle = image::Handle::from_pixels(view_w as u32, view_h as u32, pixels);
image::Renderer::draw(renderer, handle, Rectangle::new(
layout.position(),
layout.position() + [self.padding.left as f32, self.padding.top as f32].into(),
Size::new(view_w as f32, view_h as f32)
));
@ -282,8 +291,8 @@ where
Event::Mouse(MouseEvent::ButtonPressed(Button::Left)) => {
if layout.bounds().contains(cursor_position) {
editor.action(Action::Click {
x: (cursor_position.x - layout.bounds().x) as i32,
y: (cursor_position.y - layout.bounds().y) as i32,
x: (cursor_position.x - layout.bounds().x) as i32 - self.padding.left as i32,
y: (cursor_position.y - layout.bounds().y) as i32 - self.padding.top as i32,
});
state.is_dragging = true;
status = Status::Captured;
@ -296,8 +305,8 @@ where
Event::Mouse(MouseEvent::CursorMoved { .. }) => {
if state.is_dragging {
editor.action(Action::Drag {
x: (cursor_position.x - layout.bounds().x) as i32,
y: (cursor_position.y - layout.bounds().y) as i32,
x: (cursor_position.x - layout.bounds().x) as i32 - self.padding.left as i32,
y: (cursor_position.y - layout.bounds().y) as i32 - self.padding.top as i32,
});
status = Status::Captured;
}