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theme dispatch macro

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This commit is contained in:
Mike Dilger 2023-03-01 10:51:53 +13:00
parent 6439b5be06
commit 972e30361b
1 changed files with 81 additions and 86 deletions
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167
src/ui/theme/mod.rs
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@ -27,108 +27,103 @@ pub enum Theme {
Roundy,
}
// FIXME: This enum dispatch into the ThemeDef trait objects is predictable enough
// that we could probably macro it.
impl Theme {
pub fn all() -> &'static [Theme] {
&[Theme::Default, Theme::Roundy]
}
macro_rules! theme_dispatch {
($($variant:path, $class:ident),+) => {
impl Theme {
pub fn all() -> &'static [Theme] {
&[$($variant),+]
}
pub fn name(&self) -> &'static str {
match *self {
Theme::Default => DefaultTheme::name(),
Theme::Roundy => RoundyTheme::name(),
}
}
pub fn name(&self) -> &'static str {
match *self {
$( $variant => $class::name(), )+
}
}
pub fn get_style(&self, dark_mode: bool) -> Style {
match *self {
Theme::Default => DefaultTheme::get_style(dark_mode),
Theme::Roundy => RoundyTheme::get_style(dark_mode),
}
}
pub fn get_style(&self, dark_mode: bool) -> Style {
match *self {
$( $variant => $class::get_style(dark_mode), )+
}
}
pub fn font_definitions(&self) -> FontDefinitions {
match *self {
Theme::Default => DefaultTheme::font_definitions(),
Theme::Roundy => RoundyTheme::font_definitions(),
}
}
pub fn font_definitions(&self) -> FontDefinitions {
match *self {
$( $variant => $class::font_definitions(), )+
}
}
pub fn text_styles(&self) -> BTreeMap<TextStyle, FontId> {
match *self {
Theme::Default => DefaultTheme::text_styles(),
Theme::Roundy => RoundyTheme::text_styles(),
}
}
pub fn highlight_text_format(
&self,
highlight_type: HighlightType,
dark_mode: bool,
) -> TextFormat {
match *self {
Theme::Default => DefaultTheme::highlight_text_format(highlight_type, dark_mode),
Theme::Roundy => RoundyTheme::highlight_text_format(highlight_type, dark_mode),
}
}
pub fn text_styles(&self) -> BTreeMap<TextStyle, FontId> {
match *self {
$( $variant => $class::text_styles(), )+
}
}
pub fn feed_scroll_fill(&self, dark_mode: bool) -> Color32 {
match *self {
Theme::Default => DefaultTheme::feed_scroll_fill(dark_mode),
Theme::Roundy => RoundyTheme::feed_scroll_fill(dark_mode),
}
}
pub fn highlight_text_format(
&self,
highlight_type: HighlightType,
dark_mode: bool,
) -> TextFormat {
match *self {
$( $variant => $class::highlight_text_format(highlight_type, dark_mode) ),+
}
}
pub fn feed_post_separator_stroke(&self, dark_mode: bool) -> Stroke {
match *self {
Theme::Default => DefaultTheme::feed_post_separator_stroke(dark_mode),
Theme::Roundy => RoundyTheme::feed_post_separator_stroke(dark_mode),
}
}
pub fn feed_scroll_fill(&self, dark_mode: bool) -> Color32 {
match *self {
$( $variant => $class::feed_scroll_fill(dark_mode), )+
}
}
pub fn feed_frame_inner_margin(&self) -> Margin {
match *self {
Theme::Default => DefaultTheme::feed_frame_inner_margin(),
Theme::Roundy => RoundyTheme::feed_frame_inner_margin(),
}
}
pub fn feed_post_separator_stroke(&self, dark_mode: bool) -> Stroke {
match *self {
$( $variant => $class::feed_post_separator_stroke(dark_mode), )+
}
}
pub fn feed_frame_outer_margin(&self) -> Margin {
match *self {
Theme::Default => DefaultTheme::feed_frame_outer_margin(),
Theme::Roundy => RoundyTheme::feed_frame_outer_margin(),
}
}
pub fn feed_frame_inner_margin(&self) -> Margin {
match *self {
$( $variant => $class::feed_frame_inner_margin(), )+
}
}
pub fn feed_frame_rounding(&self) -> Rounding {
match *self {
Theme::Default => DefaultTheme::feed_frame_rounding(),
Theme::Roundy => RoundyTheme::feed_frame_rounding(),
}
}
pub fn feed_frame_outer_margin(&self) -> Margin {
match *self {
$( $variant => $class::feed_frame_outer_margin(), )+
}
}
pub fn feed_frame_shadow(&self, dark_mode: bool) -> Shadow {
match *self {
Theme::Default => DefaultTheme::feed_frame_shadow(dark_mode),
Theme::Roundy => RoundyTheme::feed_frame_shadow(dark_mode),
}
}
pub fn feed_frame_rounding(&self) -> Rounding {
match *self {
$( $variant => $class::feed_frame_rounding(), )+
}
}
pub fn feed_frame_fill(&self, is_new: bool, is_main_event: bool, dark_mode: bool) -> Color32 {
match *self {
Theme::Default => DefaultTheme::feed_frame_fill(is_new, is_main_event, dark_mode),
Theme::Roundy => RoundyTheme::feed_frame_fill(is_new, is_main_event, dark_mode),
}
}
pub fn feed_frame_shadow(&self, dark_mode: bool) -> Shadow {
match *self {
$( $variant => $class::feed_frame_shadow(dark_mode), )+
}
}
pub fn feed_frame_stroke(&self, is_new: bool, is_main_event: bool, dark_mode: bool) -> Stroke {
match *self {
Theme::Default => DefaultTheme::feed_frame_stroke(is_new, is_main_event, dark_mode),
Theme::Roundy => RoundyTheme::feed_frame_stroke(is_new, is_main_event, dark_mode),
pub fn feed_frame_fill(&self, is_new: bool, is_main_event: bool, dark_mode: bool) -> Color32 {
match *self {
$( $variant => $class::feed_frame_fill(is_new, is_main_event, dark_mode), )+
}
}
pub fn feed_frame_stroke(&self, is_new: bool, is_main_event: bool, dark_mode: bool) -> Stroke {
match *self {
$( $variant => $class::feed_frame_stroke(is_new, is_main_event, dark_mode), )+
}
}
}
}
}
theme_dispatch!(
Theme::Default, DefaultTheme,
Theme::Roundy, RoundyTheme
);
pub trait ThemeDef: Send + Sync {
// user facing name
fn name() -> &'static str;