diff --git a/examples/pane_grid/src/main.rs b/examples/pane_grid/src/main.rs index f18fc5f3a9..67f4d27fbe 100644 --- a/examples/pane_grid/src/main.rs +++ b/examples/pane_grid/src/main.rs @@ -154,11 +154,23 @@ impl Example { .spacing(5); let title_bar = pane_grid::TitleBar::new(title) - .controls(view_controls( - id, - total_panes, - pane.is_pinned, - is_maximized, + .controls(pane_grid::Controls::dynamic( + view_controls( + id, + total_panes, + pane.is_pinned, + is_maximized, + ), + button(text("X").size(14)) + .style(button::danger) + .padding(3) + .on_press_maybe( + if total_panes > 1 && !pane.is_pinned { + Some(Message::Close(id)) + } else { + None + }, + ), )) .padding(10) .style(if is_focused { diff --git a/widget/src/pane_grid.rs b/widget/src/pane_grid.rs index 0aab1ab591..710a54436f 100644 --- a/widget/src/pane_grid.rs +++ b/widget/src/pane_grid.rs @@ -10,6 +10,7 @@ mod axis; mod configuration; mod content; +mod controls; mod direction; mod draggable; mod node; @@ -22,6 +23,7 @@ pub mod state; pub use axis::Axis; pub use configuration::Configuration; pub use content::Content; +pub use controls::Controls; pub use direction::Direction; pub use draggable::Draggable; pub use node::Node; diff --git a/widget/src/pane_grid/controls.rs b/widget/src/pane_grid/controls.rs new file mode 100644 index 0000000000..13b57acb13 --- /dev/null +++ b/widget/src/pane_grid/controls.rs @@ -0,0 +1,59 @@ +use crate::container; +use crate::core::{self, Element}; + +/// The controls of a [`Pane`]. +/// +/// [`Pane`]: super::Pane +#[allow(missing_debug_implementations)] +pub struct Controls< + 'a, + Message, + Theme = crate::Theme, + Renderer = crate::Renderer, +> where + Theme: container::Catalog, + Renderer: core::Renderer, +{ + pub(super) full: Element<'a, Message, Theme, Renderer>, + pub(super) compact: Option>, +} + +impl<'a, Message, Theme, Renderer> Controls<'a, Message, Theme, Renderer> +where + Theme: container::Catalog, + Renderer: core::Renderer, +{ + /// Creates a new [`Controls`] with the given content. + pub fn new( + content: impl Into>, + ) -> Self { + Self { + full: content.into(), + compact: None, + } + } + + /// Creates a new [`Controls`] with a full and compact variant. + /// If there is not enough room to show the full variant without overlap, + /// then the compact variant will be shown instead. + pub fn dynamic( + full: impl Into>, + compact: impl Into>, + ) -> Self { + Self { + full: full.into(), + compact: Some(compact.into()), + } + } +} + +impl<'a, Message, Theme, Renderer> From> + for Controls<'a, Message, Theme, Renderer> +where + Theme: container::Catalog, + Renderer: core::Renderer, +{ + fn from(value: Element<'a, Message, Theme, Renderer>) -> Self { + Self::new(value) + } +} diff --git a/widget/src/pane_grid/title_bar.rs b/widget/src/pane_grid/title_bar.rs index 791fab4ad8..5002b4f73c 100644 --- a/widget/src/pane_grid/title_bar.rs +++ b/widget/src/pane_grid/title_bar.rs @@ -9,6 +9,7 @@ use crate::core::{ self, Clipboard, Element, Layout, Padding, Point, Rectangle, Shell, Size, Vector, }; +use crate::pane_grid::controls::Controls; /// The title bar of a [`Pane`]. /// @@ -24,7 +25,7 @@ pub struct TitleBar< Renderer: core::Renderer, { content: Element<'a, Message, Theme, Renderer>, - controls: Option>, + controls: Option>, padding: Padding, always_show_controls: bool, class: Theme::Class<'a>, @@ -51,7 +52,7 @@ where /// Sets the controls of the [`TitleBar`]. pub fn controls( mut self, - controls: impl Into>, + controls: impl Into>, ) -> Self { self.controls = Some(controls.into()); self @@ -104,10 +105,22 @@ where Renderer: core::Renderer, { pub(super) fn state(&self) -> Tree { - let children = if let Some(controls) = self.controls.as_ref() { - vec![Tree::new(&self.content), Tree::new(controls)] - } else { - vec![Tree::new(&self.content), Tree::empty()] + let children = match self.controls.as_ref() { + Some(controls) => match controls.compact.as_ref() { + Some(compact) => vec![ + Tree::new(&self.content), + Tree::new(&controls.full), + Tree::new(compact), + ], + None => vec![ + Tree::new(&self.content), + Tree::new(&controls.full), + Tree::empty(), + ], + }, + None => { + vec![Tree::new(&self.content), Tree::empty(), Tree::empty()] + } }; Tree { @@ -117,9 +130,13 @@ where } pub(super) fn diff(&self, tree: &mut Tree) { - if tree.children.len() == 2 { + if tree.children.len() == 3 { if let Some(controls) = self.controls.as_ref() { - tree.children[1].diff(controls); + if let Some(compact) = controls.compact.as_ref() { + tree.children[2].diff(compact); + } + + tree.children[1].diff(&controls.full); } tree.children[0].diff(&self.content); @@ -164,18 +181,42 @@ where if title_layout.bounds().width + controls_layout.bounds().width > padded.bounds().width { - show_title = false; + if let Some(compact) = controls.compact.as_ref() { + let compact_layout = children.next().unwrap(); + + compact.as_widget().draw( + &tree.children[2], + renderer, + theme, + &inherited_style, + compact_layout, + cursor, + viewport, + ); + } else { + show_title = false; + + controls.full.as_widget().draw( + &tree.children[1], + renderer, + theme, + &inherited_style, + controls_layout, + cursor, + viewport, + ); + } + } else { + controls.full.as_widget().draw( + &tree.children[1], + renderer, + theme, + &inherited_style, + controls_layout, + cursor, + viewport, + ); } - - controls.as_widget().draw( - &tree.children[1], - renderer, - theme, - &inherited_style, - controls_layout, - cursor, - viewport, - ); } } @@ -207,13 +248,20 @@ where let mut children = padded.children(); let title_layout = children.next().unwrap(); - if self.controls.is_some() { + if let Some(controls) = self.controls.as_ref() { let controls_layout = children.next().unwrap(); if title_layout.bounds().width + controls_layout.bounds().width > padded.bounds().width { - !controls_layout.bounds().contains(cursor_position) + if controls.compact.is_some() { + let compact_layout = children.next().unwrap(); + + !compact_layout.bounds().contains(cursor_position) + && !title_layout.bounds().contains(cursor_position) + } else { + !controls_layout.bounds().contains(cursor_position) + } } else { !controls_layout.bounds().contains(cursor_position) && !title_layout.bounds().contains(cursor_position) @@ -244,25 +292,73 @@ where let title_size = title_layout.size(); let node = if let Some(controls) = &self.controls { - let controls_layout = controls.as_widget().layout( + let controls_layout = controls.full.as_widget().layout( &mut tree.children[1], renderer, &layout::Limits::new(Size::ZERO, max_size), ); - let controls_size = controls_layout.size(); - let space_before_controls = max_size.width - controls_size.width; - - let height = title_size.height.max(controls_size.height); - - layout::Node::with_children( - Size::new(max_size.width, height), - vec![ - title_layout, - controls_layout - .move_to(Point::new(space_before_controls, 0.0)), - ], - ) + if title_layout.bounds().width + controls_layout.bounds().width + > max_size.width + { + if let Some(compact) = controls.compact.as_ref() { + let compact_layout = compact.as_widget().layout( + &mut tree.children[2], + renderer, + &layout::Limits::new(Size::ZERO, max_size), + ); + + let compact_size = compact_layout.size(); + let space_before_controls = + max_size.width - compact_size.width; + + let height = title_size.height.max(compact_size.height); + + layout::Node::with_children( + Size::new(max_size.width, height), + vec![ + title_layout, + controls_layout, + compact_layout.move_to(Point::new( + space_before_controls, + 0.0, + )), + ], + ) + } else { + let controls_size = controls_layout.size(); + let space_before_controls = + max_size.width - controls_size.width; + + let height = title_size.height.max(controls_size.height); + + layout::Node::with_children( + Size::new(max_size.width, height), + vec![ + title_layout, + controls_layout.move_to(Point::new( + space_before_controls, + 0.0, + )), + ], + ) + } + } else { + let controls_size = controls_layout.size(); + let space_before_controls = + max_size.width - controls_size.width; + + let height = title_size.height.max(controls_size.height); + + layout::Node::with_children( + Size::new(max_size.width, height), + vec![ + title_layout, + controls_layout + .move_to(Point::new(space_before_controls, 0.0)), + ], + ) + } } else { layout::Node::with_children( Size::new(max_size.width, title_size.height), @@ -293,15 +389,33 @@ where if title_layout.bounds().width + controls_layout.bounds().width > padded.bounds().width { - show_title = false; - } + if let Some(compact) = controls.compact.as_ref() { + let compact_layout = children.next().unwrap(); - controls.as_widget().operate( - &mut tree.children[1], - controls_layout, - renderer, - operation, - ); + compact.as_widget().operate( + &mut tree.children[2], + compact_layout, + renderer, + operation, + ); + } else { + show_title = false; + + controls.full.as_widget().operate( + &mut tree.children[1], + controls_layout, + renderer, + operation, + ); + } + } else { + controls.full.as_widget().operate( + &mut tree.children[1], + controls_layout, + renderer, + operation, + ); + } }; if show_title { @@ -337,19 +451,45 @@ where if title_layout.bounds().width + controls_layout.bounds().width > padded.bounds().width { - show_title = false; - } + if let Some(compact) = controls.compact.as_mut() { + let compact_layout = children.next().unwrap(); + + compact.as_widget_mut().on_event( + &mut tree.children[2], + event.clone(), + compact_layout, + cursor, + renderer, + clipboard, + shell, + viewport, + ) + } else { + show_title = false; - controls.as_widget_mut().on_event( - &mut tree.children[1], - event.clone(), - controls_layout, - cursor, - renderer, - clipboard, - shell, - viewport, - ) + controls.full.as_widget_mut().on_event( + &mut tree.children[1], + event.clone(), + controls_layout, + cursor, + renderer, + clipboard, + shell, + viewport, + ) + } + } else { + controls.full.as_widget_mut().on_event( + &mut tree.children[1], + event.clone(), + controls_layout, + cursor, + renderer, + clipboard, + shell, + viewport, + ) + } } else { event::Status::Ignored }; @@ -396,18 +536,33 @@ where if let Some(controls) = &self.controls { let controls_layout = children.next().unwrap(); - let controls_interaction = controls.as_widget().mouse_interaction( - &tree.children[1], - controls_layout, - cursor, - viewport, - renderer, - ); + let controls_interaction = + controls.full.as_widget().mouse_interaction( + &tree.children[1], + controls_layout, + cursor, + viewport, + renderer, + ); if title_layout.bounds().width + controls_layout.bounds().width > padded.bounds().width { - controls_interaction + if let Some(compact) = controls.compact.as_ref() { + let compact_layout = children.next().unwrap(); + let compact_interaction = + compact.as_widget().mouse_interaction( + &tree.children[2], + compact_layout, + cursor, + viewport, + renderer, + ); + + compact_interaction.max(title_interaction) + } else { + controls_interaction + } } else { controls_interaction.max(title_interaction) } @@ -444,12 +599,36 @@ where controls.as_mut().and_then(|controls| { let controls_layout = children.next()?; - controls.as_widget_mut().overlay( - controls_state, - controls_layout, - renderer, - translation, - ) + if title_layout.bounds().width + + controls_layout.bounds().width + > padded.bounds().width + { + if let Some(compact) = controls.compact.as_mut() { + let compact_state = states.next().unwrap(); + let compact_layout = children.next()?; + + compact.as_widget_mut().overlay( + compact_state, + compact_layout, + renderer, + translation, + ) + } else { + controls.full.as_widget_mut().overlay( + controls_state, + controls_layout, + renderer, + translation, + ) + } + } else { + controls.full.as_widget_mut().overlay( + controls_state, + controls_layout, + renderer, + translation, + ) + } }) }) }