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eugenesvkeugenesvk
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implement Display for Modifiers
including alternate `:#` notation to print modifiers in a "fixed" position within an all-mod string
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‎winit-core/src/keyboard.rs‎

Lines changed: 244 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1935,3 +1935,247 @@ impl Modifiers {
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*self == (*current_mods & Self::SHORTCUTLR)
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}
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}
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const SYM_CONTROL: &str = "⌃"; //⎈
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const SYM_SHIFT: &str = "⇧";
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#[cfg(target_os = "windows")]
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const SYM_ALT: &str = "⎇";
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#[cfg(target_vendor = "apple")]
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const SYM_ALT: &str = "⌥";
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#[cfg(target_os = "linux")]
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const SYM_ALT: &str = "⎇";
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#[cfg(target_os = "windows")]
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const SYM_META: &str = "❖";
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#[cfg(target_vendor = "apple")]
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const SYM_META: &str = "⌘";
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#[cfg(target_os = "linux")]
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const SYM_META: &str = "◆";
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use std::fmt::{self, Display, Formatter};
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impl Display for Modifiers {
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fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
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if f.alternate() {
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// {:#} "Fixed position" string output so that, e.g.,
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// ⇧ is always the 2nd symbol as " ⇧" or "‹⇧"
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if self.lshift_state() {
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write!(f, "‹{SYM_SHIFT}")?;
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if self.rshift_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.rshift_state() {
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write!(f, " {SYM_SHIFT}›")?;
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} else if self.shift_state() {
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write!(f, " {SYM_SHIFT} ")?;
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} else {
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write!(f, "   ")?;
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}
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if self.lcontrol_state() {
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write!(f, "‹{SYM_CONTROL}")?;
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if self.rcontrol_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.rcontrol_state() {
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write!(f, " {SYM_CONTROL}›")?;
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} else if self.control_state() {
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write!(f, " {SYM_CONTROL} ")?;
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} else {
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write!(f, "   ")?;
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}
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if self.lmeta_state() {
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write!(f, "‹{SYM_META}")?;
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if self.rmeta_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.rmeta_state() {
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write!(f, " {SYM_META}›")?;
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} else if self.meta_state() {
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write!(f, " {SYM_META} ")?;
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} else {
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write!(f, "   ")?;
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}
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if self.lalt_state() {
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write!(f, "‹{SYM_ALT}")?;
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if self.ralt_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.ralt_state() {
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write!(f, " {SYM_ALT}›")?;
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} else if self.alt_state() {
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write!(f, " {SYM_ALT} ")?;
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} else {
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write!(f, "   ")?;
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}
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if self.lalt_graph_state() {
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write!(f, "‹{SYM_ALT}Gr")?;
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if self.ralt_graph_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.ralt_graph_state() {
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write!(f, " {SYM_ALT}Gr›")?;
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} else if self.alt_graph_state() {
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write!(f, " {SYM_ALT}Gr ")?;
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} else {
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write!(f, "   ")?;
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}
2030+
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if self.caps_lock_state() {
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write!(f, "⇪")?;
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} else {
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write!(f, " ")?;
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}
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if self.num_lock_state() {
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write!(f, "⇭")?;
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} else {
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write!(f, " ")?;
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}
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if self.scroll_lock_state() {
2042+
write!(f, "⇳🔒")?;
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} else {
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write!(f, " ")?;
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}
2046+
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if self.fn_state() {
2048+
write!(f, "ƒ")?;
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} else {
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write!(f, " ")?;
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}
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if self.fn_lock_state() {
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write!(f, "ƒ🔒")?;
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} else {
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write!(f, " ")?;
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}
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if self.kana_lock_state() {
2058+
write!(f, "カナ🔒")?;
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} else {
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write!(f, " ")?;
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}
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if self.loya_state() {
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write!(f, "‹👍")?;
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if self.roya_state() {
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write!(f, "›")?;
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} else {
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write!(f, " ")?;
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};
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} else if self.roya_state() {
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write!(f, " 👍›")?;
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} else if self.oya_state() {
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write!(f, " 👍 ")?;
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} else {
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write!(f, "   ")?;
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}
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if self.symbol_state() {
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write!(f, "🔣")?;
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} else {
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write!(f, " ")?;
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}
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if self.symbol_lock_state() {
2084+
write!(f, "🔣🔒")?;
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} else {
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write!(f, "  ")?;
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}
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} else {
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// {} "Flexible position" string output, no extra space separators
2090+
if self.lshift_state() {
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write!(f, "‹{SYM_SHIFT}")?;
2092+
if self.rshift_state() {
2093+
write!(f, "›")?;
2094+
};
2095+
} else if self.rshift_state() {
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write!(f, "{SYM_SHIFT}›")?;
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} else if self.shift_state() {
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write!(f, "{SYM_SHIFT}")?;
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}
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if self.lcontrol_state() {
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write!(f, "‹{SYM_CONTROL}")?;
2102+
if self.rcontrol_state() {
2103+
write!(f, "›")?;
2104+
};
2105+
} else if self.rcontrol_state() {
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write!(f, "{SYM_CONTROL}›")?;
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} else if self.control_state() {
2108+
write!(f, "{SYM_CONTROL}")?;
2109+
}
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if self.lmeta_state() {
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write!(f, "‹{SYM_META}")?;
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if self.rmeta_state() {
2113+
write!(f, "›")?;
2114+
};
2115+
} else if self.rmeta_state() {
2116+
write!(f, "{SYM_META}›")?;
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} else if self.meta_state() {
2118+
write!(f, "{SYM_META}")?;
2119+
}
2120+
if self.lalt_state() {
2121+
write!(f, "‹{SYM_ALT}")?;
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if self.ralt_state() {
2123+
write!(f, "›")?;
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};
2125+
} else if self.ralt_state() {
2126+
write!(f, "{SYM_ALT}›")?;
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} else if self.alt_state() {
2128+
write!(f, "{SYM_ALT}")?;
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}
2130+
if self.lalt_graph_state() {
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write!(f, "‹{SYM_ALT}Gr")?;
2132+
if self.ralt_graph_state() {
2133+
write!(f, "›")?;
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};
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} else if self.ralt_graph_state() {
2136+
write!(f, "{SYM_ALT}Gr›")?;
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} else if self.alt_graph_state() {
2138+
write!(f, "{SYM_ALT}Gr")?;
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}
2140+
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if self.caps_lock_state() {
2142+
write!(f, "⇪")?;
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}
2144+
if self.num_lock_state() {
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write!(f, "⇭")?;
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}
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if self.scroll_lock_state() {
2148+
write!(f, "⇳🔒")?;
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}
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if self.fn_state() {
2152+
write!(f, "ƒ")?;
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}
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if self.fn_lock_state() {
2155+
write!(f, "ƒ🔒")?;
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}
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if self.kana_lock_state() {
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write!(f, "カナ🔒")?;
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}
2160+
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if self.loya_state() {
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write!(f, "‹👍")?;
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if self.roya_state() {
2164+
write!(f, "›")?;
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};
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} else if self.roya_state() {
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write!(f, "👍›")?;
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} else if self.oya_state() {
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write!(f, "👍")?;
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}
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if self.symbol_state() {
2173+
write!(f, "🔣")?;
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}
2175+
if self.symbol_lock_state() {
2176+
write!(f, "🔣🔒")?;
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}
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}
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Ok(())
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}
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}

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