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204 lines
6.3 KiB
204 lines
6.3 KiB
use super::theme;
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use crate::{
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strutil::TString,
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ui::{
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component::{
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base::ComponentExt, label::Label, text::TextStyle, Child, Component, Event, EventCtx,
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},
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display::Icon,
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geometry::{Alignment, Insets, Offset, Rect},
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model_tt::component::{Button, ButtonMsg, CancelInfoConfirmMsg},
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},
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};
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pub struct Frame<T> {
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border: Insets,
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title: Child<Label<'static>>,
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subtitle: Option<Child<Label<'static>>>,
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button: Option<Child<Button>>,
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button_msg: CancelInfoConfirmMsg,
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content: Child<T>,
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}
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pub enum FrameMsg<T> {
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Content(T),
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Button(CancelInfoConfirmMsg),
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}
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impl<T> Frame<T>
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where
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T: Component,
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{
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pub fn new(
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style: TextStyle,
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alignment: Alignment,
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title: TString<'static>,
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content: T,
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) -> Self {
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Self {
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title: Child::new(Label::new(title, alignment, style)),
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subtitle: None,
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border: theme::borders(),
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button: None,
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button_msg: CancelInfoConfirmMsg::Cancelled,
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content: Child::new(content),
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}
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}
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pub fn left_aligned(style: TextStyle, title: TString<'static>, content: T) -> Self {
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Self::new(style, Alignment::Start, title, content)
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}
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pub fn right_aligned(style: TextStyle, title: TString<'static>, content: T) -> Self {
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Self::new(style, Alignment::End, title, content)
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}
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pub fn centered(style: TextStyle, title: TString<'static>, content: T) -> Self {
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Self::new(style, Alignment::Center, title, content)
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}
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pub fn with_border(mut self, border: Insets) -> Self {
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self.border = border;
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self
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}
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pub fn with_subtitle(mut self, style: TextStyle, subtitle: TString<'static>) -> Self {
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self.subtitle = Some(Child::new(Label::new(
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subtitle,
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self.title.inner().alignment(),
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style,
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)));
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self
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}
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fn with_button(mut self, icon: Icon, msg: CancelInfoConfirmMsg) -> Self {
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let touch_area = Insets {
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left: self.border.left * 4,
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bottom: self.border.bottom * 4,
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..self.border
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};
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self.button = Some(Child::new(
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Button::with_icon(icon)
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.with_expanded_touch_area(touch_area)
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.styled(theme::button_moreinfo()),
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));
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self.button_msg = msg;
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self
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}
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pub fn with_cancel_button(self) -> Self {
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self.with_button(theme::ICON_CORNER_CANCEL, CancelInfoConfirmMsg::Cancelled)
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}
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pub fn with_info_button(self) -> Self {
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self.with_button(theme::ICON_CORNER_INFO, CancelInfoConfirmMsg::Info)
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}
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pub fn inner(&self) -> &T {
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self.content.inner()
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}
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pub fn update_title(&mut self, ctx: &mut EventCtx, new_title: TString<'static>) {
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self.title.mutate(ctx, |ctx, t| {
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t.set_text(new_title);
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t.request_complete_repaint(ctx)
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})
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}
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pub fn update_content<F, R>(&mut self, ctx: &mut EventCtx, update_fn: F) -> R
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where
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F: Fn(&mut T) -> R,
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{
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self.content.mutate(ctx, |ctx, c| {
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let res = update_fn(c);
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c.request_complete_repaint(ctx);
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res
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})
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}
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}
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impl<T> Component for Frame<T>
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where
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T: Component,
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{
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type Msg = FrameMsg<T::Msg>;
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fn place(&mut self, bounds: Rect) -> Rect {
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const TITLE_SPACE: i16 = theme::BUTTON_SPACING;
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let bounds = bounds.inset(self.border);
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// Allowing for little longer titles to fit in
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const TITLE_EXTRA_SPACE: Insets = Insets::right(2);
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if let Some(b) = &mut self.button {
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let button_side = theme::CORNER_BUTTON_SIDE;
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let (header_area, button_area) = bounds.split_right(button_side);
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let (button_area, _) = button_area.split_top(button_side);
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b.place(button_area);
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let title_area = self.title.place(header_area.outset(TITLE_EXTRA_SPACE));
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let remaining = header_area.inset(Insets::top(title_area.height()));
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let subtitle_area = self.subtitle.place(remaining);
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let title_height = title_area.height() + subtitle_area.height();
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let header_height = title_height.max(button_side);
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if title_height < button_side {
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self.title
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.place(title_area.translate(Offset::y((button_side - title_height) / 2)));
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self.subtitle
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.place(subtitle_area.translate(Offset::y((button_side - title_height) / 2)));
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}
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let content_area = bounds.inset(Insets::top(header_height + TITLE_SPACE));
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self.content.place(content_area);
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} else {
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let title_area = self.title.place(bounds.outset(TITLE_EXTRA_SPACE));
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let remaining = bounds.inset(Insets::top(title_area.height()));
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let subtitle_area = self.subtitle.place(remaining);
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let remaining = remaining.inset(Insets::top(subtitle_area.height()));
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let content_area = remaining.inset(Insets::top(TITLE_SPACE));
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self.content.place(content_area);
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}
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bounds
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}
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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self.title.event(ctx, event);
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self.subtitle.event(ctx, event);
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if let Some(ButtonMsg::Clicked) = self.button.event(ctx, event) {
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return Some(FrameMsg::Button(self.button_msg));
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}
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self.content.event(ctx, event).map(FrameMsg::Content)
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}
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fn paint(&mut self) {
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self.title.paint();
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self.subtitle.paint();
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self.button.paint();
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self.content.paint();
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}
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#[cfg(feature = "ui_bounds")]
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fn bounds(&self, sink: &mut dyn FnMut(Rect)) {
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self.title.bounds(sink);
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self.subtitle.bounds(sink);
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self.button.bounds(sink);
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self.content.bounds(sink);
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}
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}
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#[cfg(feature = "ui_debug")]
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impl<T> crate::trace::Trace for Frame<T>
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where
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T: crate::trace::Trace,
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{
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fn trace(&self, t: &mut dyn crate::trace::Tracer) {
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t.component("Frame");
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t.child("title", &self.title);
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t.child("content", &self.content);
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if let Some(subtitle) = &self.subtitle {
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t.child("subtitle", subtitle);
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}
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if let Some(button) = &self.button {
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t.child("button", button);
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}
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}
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}
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