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Rename starting_cursor_pos to cursor_grabbed_at in image::Viewer

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This commit is contained in:
Héctor Ramón Jiménez 2020-12-18 11:04:07 +01:00
parent 8245a11766
commit 43ef85ae5c
2 changed files with 11 additions and 12 deletions
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2
graphics/src/widget/image/viewer.rs
View File

@ -39,7 +39,7 @@ where
}
},
{
if state.is_cursor_clicked() {
if state.is_cursor_grabbed() {
mouse::Interaction::Grabbing
} else if is_mouse_over
&& (image_size.width > bounds.width

21
native/src/widget/image/viewer.rs
View File

@ -268,14 +268,14 @@ where
Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
if is_mouse_over =>
{
self.state.starting_cursor_pos = Some(cursor_position);
self.state.cursor_grabbed_at = Some(cursor_position);
self.state.starting_offset = self.state.current_offset;
}
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
self.state.starting_cursor_pos = None
self.state.cursor_grabbed_at = None
}
Event::Mouse(mouse::Event::CursorMoved { position })
if self.state.is_cursor_clicked() =>
if self.state.is_cursor_grabbed() =>
{
let image_size = self.image_size(renderer, bounds.size());
@ -343,7 +343,7 @@ pub struct State {
scale: f32,
starting_offset: Vector,
current_offset: Vector,
starting_cursor_pos: Option<Point>,
cursor_grabbed_at: Option<Point>,
}
impl Default for State {
@ -352,7 +352,7 @@ impl Default for State {
scale: 1.0,
starting_offset: Vector::default(),
current_offset: Vector::default(),
starting_cursor_pos: None,
cursor_grabbed_at: None,
}
}
}
@ -377,8 +377,8 @@ impl State {
let hidden_height =
(image_size.height - bounds.height / 2.0).max(0.0).round();
let delta_x = x - self.starting_cursor_pos.unwrap().x;
let delta_y = y - self.starting_cursor_pos.unwrap().y;
let delta_x = x - self.cursor_grabbed_at.unwrap().x;
let delta_y = y - self.cursor_grabbed_at.unwrap().y;
if bounds.width < image_size.width {
self.current_offset.x = (self.starting_offset.x - delta_x)
@ -411,13 +411,12 @@ impl State {
)
}
/// Returns if the left mouse button is still held down since clicking inside
/// the [`Viewer`].
/// Returns if the cursor is currently grabbed by the [`Viewer`].
///
/// [`Viewer`]: struct.Viewer.html
/// [`State`]: struct.State.html
pub fn is_cursor_clicked(&self) -> bool {
self.starting_cursor_pos.is_some()
pub fn is_cursor_grabbed(&self) -> bool {
self.cursor_grabbed_at.is_some()
}
}