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Moving autoscroll to a subscription on fixed timer + calculating speed based off of distance to edge

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This commit is contained in:
ellieplayswow 2025-02-19 11:29:19 +00:00
parent 169d8ef365
commit 9d60ca1564
2 changed files with 61 additions and 13 deletions
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56
src/tab.rs
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@ -83,7 +83,8 @@ const MAX_SEARCH_RESULTS: usize = 200;
//TODO: configurable thumbnail size?
const THUMBNAIL_SIZE: u32 = (ICON_SIZE_GRID as u32) * (ICON_SCALE_MAX as u32);
const DRAG_SCROLL_DISTANCE: u8 = 1;
const DRAG_SCROLL_DISTANCE: f32 = 15.0;
const DRAG_SCROLL_RATIO_MAXIMUM: f32 = 3.0;
//TODO: adjust for locales?
const DATE_TIME_FORMAT: &str = "%b %-d, %-Y, %-I:%M %p";
@ -1100,6 +1101,7 @@ pub enum Command {
Action(Action),
AddNetworkDrive,
AddToSidebar(PathBuf),
AutoScroll(Option<f32>),
ChangeLocation(String, Location, Option<Vec<PathBuf>>),
DropFiles(PathBuf, ClipboardPaste),
EmptyTrash,
@ -1157,6 +1159,7 @@ pub enum Message {
RightClick(Option<usize>),
MiddleClick(usize),
Scroll(Viewport),
ScrollTab(f32),
ScrollToFocus,
SearchContext(Location, SearchContextWrapper),
SearchReady(bool),
@ -2231,17 +2234,36 @@ impl Tab {
// diff_y should be NEGATIVE here when close to y=0 (above the MouseArea)
// and positive when below the viewport
let diff_y = pos.y - drag_start_point.y;
let scroll_y: i8 = if diff_y > 0.0 {
DRAG_SCROLL_DISTANCE as i8
let mut scroll_y: f32 = if diff_y > 0.0 {
DRAG_SCROLL_DISTANCE
} else if diff_y < 0.0 {
DRAG_SCROLL_DISTANCE as i8 * -1
DRAG_SCROLL_DISTANCE * -1.0
} else {
0
0.0
};
// estimate distance and use that to control speed
// go up to 3x speed
let quarter_height = viewport.height / 4.0;
let cursor_y_distance = if diff_y > 0.0 {
pos.y - (viewport.y + viewport.height)
} else if diff_y < 0.0 {
pos.y - viewport.y
} else {
0.0
}.abs();
let mut speed_ratio = (cursor_y_distance / quarter_height) + 1.0;
if speed_ratio > DRAG_SCROLL_RATIO_MAXIMUM {
speed_ratio = DRAG_SCROLL_RATIO_MAXIMUM;
}
scroll_y = scroll_y * speed_ratio;
let mut new_offset = Point {
x: 0.0,
y: scroll_y as f32
y: scroll_y
};
if let Some(virtual_cursor_offset) = self.virtual_cursor_offset {
@ -2258,12 +2280,7 @@ impl Tab {
self.virtual_cursor_offset = Some(new_offset);
self.last_scroll_offset = Some(new_offset);
commands.push(Command::Iced(
scrollable::scroll_by(self.scrollable_id.clone(), AbsoluteOffset {
x: 0.0,
y: scroll_y as f32
}).into(),
));
commands.push(Command::AutoScroll(Some(scroll_y)));
}
else {
if let Some(last_scroll_offset) = self.last_scroll_offset {
@ -2288,8 +2305,9 @@ impl Tab {
y: 0.0
});
}
}
commands.push(Command::AutoScroll(None));
}
}
else {
@ -2297,6 +2315,8 @@ impl Tab {
self.virtual_cursor_offset = None;
self.last_scroll_position = Some(pos);
self.last_scroll_offset = None;
commands.push(Command::AutoScroll(None));
}
}
}
@ -2329,6 +2349,8 @@ impl Tab {
item.overlaps_drag_rect = false;
}
}
commands.push(Command::AutoScroll(None));
}
Message::DoubleClick(click_i_opt) => {
if let Some(clicked_item) = self
@ -2959,6 +2981,14 @@ impl Tab {
Message::Scroll(viewport) => {
self.scroll_opt = Some(viewport.absolute_offset());
}
Message::ScrollTab(scroll_speed) => {
commands.push(Command::Iced(
scrollable::scroll_by(self.scrollable_id.clone(), AbsoluteOffset {
x: 0.0,
y: scroll_speed
}).into(),
));
}
Message::ScrollToFocus => {
if let Some(offset) = self.select_focus_scroll() {
commands.push(Command::Iced(