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Diffstat (limited to 'examples/pure/pane_grid/src/main.rs')
| -rw-r--r-- | examples/pure/pane_grid/src/main.rs | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/examples/pure/pane_grid/src/main.rs b/examples/pure/pane_grid/src/main.rs deleted file mode 100644 index e85ed78d..00000000 --- a/examples/pure/pane_grid/src/main.rs +++ /dev/null @@ -1,369 +0,0 @@ -use iced::alignment::{self, Alignment}; -use iced::executor; -use iced::keyboard; -use iced::pure::widget::pane_grid::{self, PaneGrid}; -use iced::pure::{button, column, container, row, scrollable, text}; -use iced::pure::{Application, Element}; -use iced::theme::{self, Theme}; -use iced::{Color, Command, Length, Settings, Size, Subscription}; -use iced_lazy::pure::responsive; -use iced_native::{event, subscription, Event}; - -pub fn main() -> iced::Result { - Example::run(Settings::default()) -} - -struct Example { - panes: pane_grid::State<Pane>, - panes_created: usize, - focus: Option<pane_grid::Pane>, -} - -#[derive(Debug, Clone, Copy)] -enum Message { - Split(pane_grid::Axis, pane_grid::Pane), - SplitFocused(pane_grid::Axis), - FocusAdjacent(pane_grid::Direction), - Clicked(pane_grid::Pane), - Dragged(pane_grid::DragEvent), - Resized(pane_grid::ResizeEvent), - TogglePin(pane_grid::Pane), - Close(pane_grid::Pane), - CloseFocused, -} - -impl Application for Example { - type Message = Message; - type Theme = Theme; - type Executor = executor::Default; - type Flags = (); - - fn new(_flags: ()) -> (Self, Command<Message>) { - let (panes, _) = pane_grid::State::new(Pane::new(0)); - - ( - Example { - panes, - panes_created: 1, - focus: None, - }, - Command::none(), - ) - } - - fn title(&self) -> String { - String::from("Pane grid - Iced") - } - - fn update(&mut self, message: Message) -> Command<Message> { - match message { - Message::Split(axis, pane) => { - let result = self.panes.split( - axis, - &pane, - Pane::new(self.panes_created), - ); - - if let Some((pane, _)) = result { - self.focus = Some(pane); - } - - self.panes_created += 1; - } - Message::SplitFocused(axis) => { - if let Some(pane) = self.focus { - let result = self.panes.split( - axis, - &pane, - Pane::new(self.panes_created), - ); - - if let Some((pane, _)) = result { - self.focus = Some(pane); - } - - self.panes_created += 1; - } - } - Message::FocusAdjacent(direction) => { - if let Some(pane) = self.focus { - if let Some(adjacent) = - self.panes.adjacent(&pane, direction) - { - self.focus = Some(adjacent); - } - } - } - Message::Clicked(pane) => { - self.focus = Some(pane); - } - Message::Resized(pane_grid::ResizeEvent { split, ratio }) => { - self.panes.resize(&split, ratio); - } - Message::Dragged(pane_grid::DragEvent::Dropped { - pane, - target, - }) => { - self.panes.swap(&pane, &target); - } - Message::Dragged(_) => {} - Message::TogglePin(pane) => { - if let Some(Pane { is_pinned, .. }) = self.panes.get_mut(&pane) - { - *is_pinned = !*is_pinned; - } - } - Message::Close(pane) => { - if let Some((_, sibling)) = self.panes.close(&pane) { - self.focus = Some(sibling); - } - } - Message::CloseFocused => { - if let Some(pane) = self.focus { - if let Some(Pane { is_pinned, .. }) = self.panes.get(&pane) - { - if !is_pinned { - if let Some((_, sibling)) = self.panes.close(&pane) - { - self.focus = Some(sibling); - } - } - } - } - } - } - - Command::none() - } - - fn subscription(&self) -> Subscription<Message> { - subscription::events_with(|event, status| { - if let event::Status::Captured = status { - return None; - } - - match event { - Event::Keyboard(keyboard::Event::KeyPressed { - modifiers, - key_code, - }) if modifiers.command() => handle_hotkey(key_code), - _ => None, - } - }) - } - - fn view(&self) -> Element<Message> { - let focus = self.focus; - let total_panes = self.panes.len(); - - let pane_grid = PaneGrid::new(&self.panes, |id, pane| { - let is_focused = focus == Some(id); - - let pin_button = button( - text(if pane.is_pinned { "Unpin" } else { "Pin" }).size(14), - ) - .on_press(Message::TogglePin(id)) - .padding(3); - - let title = row() - .push(pin_button) - .push("Pane") - .push(text(pane.id.to_string()).style(if is_focused { - PANE_ID_COLOR_FOCUSED - } else { - PANE_ID_COLOR_UNFOCUSED - })) - .spacing(5); - - let title_bar = pane_grid::TitleBar::new(title) - .controls(view_controls(id, total_panes, pane.is_pinned)) - .padding(10) - .style(if is_focused { - style::title_bar_focused - } else { - style::title_bar_active - }); - - pane_grid::Content::new(responsive(move |size| { - view_content(id, total_panes, pane.is_pinned, size) - })) - .title_bar(title_bar) - .style(if is_focused { - style::pane_focused - } else { - style::pane_active - }) - }) - .width(Length::Fill) - .height(Length::Fill) - .spacing(10) - .on_click(Message::Clicked) - .on_drag(Message::Dragged) - .on_resize(10, Message::Resized); - - container(pane_grid) - .width(Length::Fill) - .height(Length::Fill) - .padding(10) - .into() - } -} - -const PANE_ID_COLOR_UNFOCUSED: Color = Color::from_rgb( - 0xFF as f32 / 255.0, - 0xC7 as f32 / 255.0, - 0xC7 as f32 / 255.0, -); -const PANE_ID_COLOR_FOCUSED: Color = Color::from_rgb( - 0xFF as f32 / 255.0, - 0x47 as f32 / 255.0, - 0x47 as f32 / 255.0, -); - -fn handle_hotkey(key_code: keyboard::KeyCode) -> Option<Message> { - use keyboard::KeyCode; - use pane_grid::{Axis, Direction}; - - let direction = match key_code { - KeyCode::Up => Some(Direction::Up), - KeyCode::Down => Some(Direction::Down), - KeyCode::Left => Some(Direction::Left), - KeyCode::Right => Some(Direction::Right), - _ => None, - }; - - match key_code { - KeyCode::V => Some(Message::SplitFocused(Axis::Vertical)), - KeyCode::H => Some(Message::SplitFocused(Axis::Horizontal)), - KeyCode::W => Some(Message::CloseFocused), - _ => direction.map(Message::FocusAdjacent), - } -} - -struct Pane { - id: usize, - pub is_pinned: bool, -} - -impl Pane { - fn new(id: usize) -> Self { - Self { - id, - is_pinned: false, - } - } -} - -fn view_content<'a>( - pane: pane_grid::Pane, - total_panes: usize, - is_pinned: bool, - size: Size, -) -> Element<'a, Message> { - let button = |label, message| { - button( - text(label) - .width(Length::Fill) - .horizontal_alignment(alignment::Horizontal::Center) - .size(16), - ) - .width(Length::Fill) - .padding(8) - .on_press(message) - }; - - let mut controls = column() - .spacing(5) - .max_width(150) - .push(button( - "Split horizontally", - Message::Split(pane_grid::Axis::Horizontal, pane), - )) - .push(button( - "Split vertically", - Message::Split(pane_grid::Axis::Vertical, pane), - )); - - if total_panes > 1 && !is_pinned { - controls = controls.push( - button("Close", Message::Close(pane)) - .style(theme::Button::Destructive), - ); - } - - let content = column() - .width(Length::Fill) - .spacing(10) - .align_items(Alignment::Center) - .push(text(format!("{}x{}", size.width, size.height)).size(24)) - .push(controls); - - container(scrollable(content)) - .width(Length::Fill) - .height(Length::Fill) - .padding(5) - .center_y() - .into() -} - -fn view_controls<'a>( - pane: pane_grid::Pane, - total_panes: usize, - is_pinned: bool, -) -> Element<'a, Message> { - let mut button = button(text("Close").size(14)) - .style(theme::Button::Destructive) - .padding(3); - - if total_panes > 1 && !is_pinned { - button = button.on_press(Message::Close(pane)); - } - - button.into() -} - -mod style { - use iced::{container, Theme}; - - pub fn title_bar_active(theme: &Theme) -> container::Appearance { - let palette = theme.extended_palette(); - - container::Appearance { - text_color: Some(palette.background.strong.text), - background: Some(palette.background.strong.color.into()), - ..Default::default() - } - } - - pub fn title_bar_focused(theme: &Theme) -> container::Appearance { - let palette = theme.extended_palette(); - - container::Appearance { - text_color: Some(palette.primary.strong.text), - background: Some(palette.primary.strong.color.into()), - ..Default::default() - } - } - - pub fn pane_active(theme: &Theme) -> container::Appearance { - let palette = theme.extended_palette(); - - container::Appearance { - background: Some(palette.background.weak.color.into()), - border_width: 2.0, - border_color: palette.background.strong.color, - ..Default::default() - } - } - - pub fn pane_focused(theme: &Theme) -> container::Appearance { - let palette = theme.extended_palette(); - - container::Appearance { - background: Some(palette.background.weak.color.into()), - border_width: 2.0, - border_color: palette.primary.strong.color, - ..Default::default() - } - } -} |