avm2: Implement TextField.getLineOffset()
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@ -148,6 +148,8 @@ package flash.text {
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public native function getLineText(lineIndex:int):String;
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public native function getLineOffset(lineIndex:int):int;
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public function getCharBoundaries(charIndex:int):Rectangle {
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stub_method("flash.text.TextField", "getCharBoundaries");
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return new Rectangle(0, 0, 1, 1);
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@ -173,11 +175,6 @@ package flash.text {
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return 0;
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}
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public function getLineOffset(lineIndex:int):int {
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stub_method("flash.text.TextField", "getLineOffset");
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return 0;
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}
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public function getParagraphLength(charIndex:int):int {
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stub_method("flash.text.TextField", "getParagraphLength");
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return 0;
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@ -1191,6 +1191,30 @@ pub fn get_line_text<'gc>(
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Ok(Value::Undefined)
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}
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pub fn get_line_offset<'gc>(
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activation: &mut Activation<'_, 'gc>,
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this: Object<'gc>,
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args: &[Value<'gc>],
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) -> Result<Value<'gc>, Error<'gc>> {
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let Some(this) = this
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.as_display_object()
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.and_then(|this| this.as_edit_text())
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else {
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return Ok(Value::Undefined);
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};
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let line_num = args.get_i32(activation, 0)?;
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if line_num < 0 {
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return Err(make_error_2006(activation));
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}
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return if let Some(offset) = this.line_offset(line_num as usize) {
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Ok(offset.into())
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} else {
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Err(make_error_2006(activation))
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};
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}
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pub fn get_bottom_scroll_v<'gc>(
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_activation: &mut Activation<'_, 'gc>,
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this: Object<'gc>,
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@ -1934,6 +1934,13 @@ impl<'gc> EditText<'gc> {
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Some(line_text)
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}
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pub fn line_offset(self, line: usize) -> Option<usize> {
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let read = self.0.read();
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let line = read.layout.lines().get(line)?;
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let first_box = line.boxes_iter().next()?;
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Some(first_box.start())
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}
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fn execute_avm1_asfunction(
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self,
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context: &mut UpdateContext<'_, 'gc>,
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