get_tpositionT_get_tpositionGetTpositionGetTpositionget_tposition (算子名称)

名称

get_tpositionT_get_tpositionGetTpositionGetTpositionget_tposition — Get cursor position.

参数签名

描述

get_tpositionget_tpositionGetTpositionGetTpositionGetTpositionget_tposition queries the current position of the text cursor in the output window. The position is measured in the image coordinate system. The next output of text in this window starts at the cursor position. The left end of the baseline for writing the next string (not considering descenders) is placed on this position. The position is changed by the output or input of text (write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string, read_stringread_stringReadStringReadStringReadStringread_string) or by an explicit change of position by (set_tpositionset_tpositionSetTpositionSetTpositionSetTpositionset_tposition, new_linenew_lineNewLineNewLineNewLinenew_line).

注意

If the output text does not fit completely into the window, an exception is raised. This can be avoided by set_check('~text')set_check("~text")SetCheck("~text")SetCheck("~text")SetCheck("~text")set_check("~text").

运行信息

• 多线程类型:可重入(与非独占操作符并行运行)。
• 多线程作用域:全局(可以从任何线程调用)。
• 未经并行化处理。

参数表

结果

get_tpositionget_tpositionGetTpositionGetTpositionGetTpositionget_tposition returns 2 ( H_MSG_TRUE) if the window is valid. Otherwise an exception is raised.

可能的前置算子

open_windowopen_windowOpenWindowOpenWindowOpenWindowopen_window, set_fontset_fontSetFontSetFontSetFontset_font

可能的后置算子

set_tpositionset_tpositionSetTpositionSetTpositionSetTpositionset_tposition, write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string, read_stringread_stringReadStringReadStringReadStringread_string, read_charread_charReadCharReadCharReadCharread_char

参考其它

new_linenew_lineNewLineNewLineNewLinenew_line, read_stringread_stringReadStringReadStringReadStringread_string, set_tpositionset_tpositionSetTpositionSetTpositionSetTpositionset_tposition, write_stringwrite_stringWriteStringWriteStringWriteStringwrite_string, set_checkset_checkSetCheckSetCheckSetCheckset_check

模块

Foundation

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