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Code Issues Projects Releases Wiki Activity

Scolling fixes

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This commit is contained in:
Alexandre Bury 2018-05-21 17:54:43 -07:00
parent 94504ae91b
commit 5eddc1b89a
2 changed files with 22 additions and 4 deletions
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15
src/views/button.rs
View File

@ -1,10 +1,10 @@
use align::HAlign;
use direction::Direction;
use event::*;
use rect::Rect;
use theme::ColorStyle;
use unicode_width::UnicodeWidthStr;
use vec::Vec2;
use rect::Rect;
use view::View;
use {Cursive, Printer, With};
@ -22,6 +22,7 @@ pub struct Button {
label: String,
callback: Callback,
enabled: bool,
last_size: Vec2,
}
impl Button {
@ -44,6 +45,7 @@ impl Button {
label: label.into(),
callback: Callback::from_fn(cb),
enabled: true,
last_size: Vec2::zero(),
}
}
@ -140,13 +142,18 @@ impl View for Button {
ColorStyle::highlight()
};
let offset = HAlign::Center.get_offset(self.label.width(), printer.size.x);
let offset =
HAlign::Center.get_offset(self.label.width(), printer.size.x);
printer.with_color(style, |printer| {
printer.print((offset, 0), &self.label);
});
}
fn layout(&mut self, size: Vec2) {
self.last_size = size;
}
fn required_size(&mut self, _: Vec2) -> Vec2 {
// Meh. Fixed size we are.
self.req_size()
@ -155,6 +162,8 @@ impl View for Button {
fn on_event(&mut self, event: Event) -> EventResult {
// eprintln!("{:?}", event);
// eprintln!("{:?}", self.req_size());
let width = self.label.width();
let self_offset = HAlign::Center.get_offset(width, self.last_size.x);
match event {
// 10 is the ascii code for '\n', that is the return key
Event::Key(Key::Enter) => {
@ -164,7 +173,7 @@ impl View for Button {
event: MouseEvent::Release(MouseButton::Left),
position,
offset,
} if position.fits_in_rect(offset, self.req_size()) =>
} if position.fits_in_rect(offset + (self_offset, 0), self.req_size()) =>
{
EventResult::Consumed(Some(self.callback.clone()))
}

11
src/views/scroll_view.rs
View File

@ -1,5 +1,5 @@
use direction::Direction;
use event::{AnyCb, Event, EventResult, Key};
use event::{AnyCb, Event, EventResult, Key, MouseEvent};
use rect::Rect;
use vec::Vec2;
use view::{Selector, View};
@ -175,6 +175,7 @@ where
fn on_event(&mut self, event: Event) -> EventResult {
// Relativize event accorging to the offset
let mut relative_event = event.clone();
// eprintln!("Mouse = {:?}", relative_event);
if let Some(pos) = relative_event.mouse_position_mut() {
*pos = *pos + self.offset;
}
@ -184,6 +185,14 @@ where
// If it's a mouse scroll, try to scroll as well.
// Also allow Ctrl+arrow to move the view without moving selection.
match event {
Event::Mouse { event: MouseEvent::WheelUp, .. } if self.enabled.y && self.offset.y > 0 => {
self.offset.y = self.offset.y.saturating_sub(3);
EventResult::Consumed(None)
}
Event::Mouse { event: MouseEvent::WheelDown, .. } if self.enabled.y && (self.offset.y + self.last_size.y < self.inner_size.y) => {
self.offset.y += 3;
EventResult::Consumed(None)
}
Event::Ctrl(Key::Up) |
Event::Key(Key::Up)
if self.enabled.y && self.offset.y > 0 =>