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Filter consecutive newlines

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This commit is contained in:
Isaac
2025-11-14 21:19:08 +08:00
parent 09ca26be9b
commit 888b12405b
3 changed files with 42 additions and 15 deletions
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48
submodules/TelegramUI/Components/Chat/ChatTextInputPanelNode/Sources/ChatTextInputPanelNode.swift
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@@ -407,6 +407,7 @@ public class ChatTextInputPanelNode: ChatInputPanelNode, ASEditableTextNodeDeleg
public var customSendIsDisabled: Bool = false
public var customInputTextMaxLength: Int?
public var customSwitchToKeyboard: (() -> Void)?
public var allowConsecutiveNewlines = true
private var starReactionButton: ComponentView<Empty>?
private var liveMicrophoneButton: ComponentView<Empty>?
@@ -4952,24 +4953,41 @@ public class ChatTextInputPanelNode: ChatInputPanelNode, ASEditableTextNodeDeleg
}
}
}
let string = NSMutableAttributedString(attributedString: editableTextNode.attributedText ?? NSAttributedString())
var textColor: UIColor = .black
var accentTextColor: UIColor = .blue
var baseFontSize: CGFloat = 17.0
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
accentTextColor = presentationInterfaceState.theme.chat.inputPanel.panelControlAccentColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
if "".isEmpty {
baseFontSize = 17.0
}
}
let cleanReplacementString = textAttributedStringForStateText(context: context, stateText: NSAttributedString(string: cleanText), fontSize: baseFontSize, textColor: textColor, accentTextColor: accentTextColor, writingDirection: nil, spoilersRevealed: self.spoilersRevealed, availableEmojis: (self.context?.animatedEmojiStickersValue.keys).flatMap(Set.init) ?? Set(), emojiViewProvider: self.emojiViewProvider, makeCollapsedQuoteAttachment: { text, attributes in
return ChatInputTextCollapsedQuoteAttachmentImpl(text: text, attributes: attributes)
})
string.replaceCharacters(in: range, with: cleanReplacementString)
var resetText = false
if cleanText != text {
let string = NSMutableAttributedString(attributedString: editableTextNode.attributedText ?? NSAttributedString())
var textColor: UIColor = .black
var accentTextColor: UIColor = .blue
var baseFontSize: CGFloat = 17.0
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
accentTextColor = presentationInterfaceState.theme.chat.inputPanel.panelControlAccentColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
if "".isEmpty {
baseFontSize = 17.0
resetText = true
}
if !self.allowConsecutiveNewlines {
while string.string.range(of: "\n\n") != nil {
if let range = string.string.range(of: "\n\n") {
let rawRange = NSRange(range, in: string.string)
let firstNewline = string.attributedSubstring(from: NSRange(location: rawRange.location, length: 1))
string.replaceCharacters(in: rawRange, with: firstNewline)
resetText = true
}
}
let cleanReplacementString = textAttributedStringForStateText(context: context, stateText: NSAttributedString(string: cleanText), fontSize: baseFontSize, textColor: textColor, accentTextColor: accentTextColor, writingDirection: nil, spoilersRevealed: self.spoilersRevealed, availableEmojis: (self.context?.animatedEmojiStickersValue.keys).flatMap(Set.init) ?? Set(), emojiViewProvider: self.emojiViewProvider, makeCollapsedQuoteAttachment: { text, attributes in
return ChatInputTextCollapsedQuoteAttachmentImpl(text: text, attributes: attributes)
})
string.replaceCharacters(in: range, with: cleanReplacementString)
}
if resetText {
self.textInputNode?.attributedText = string
self.textInputNode?.selectedRange = NSMakeRange(range.lowerBound + cleanReplacementString.length, 0)
self.updateTextNodeText(animated: true)