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90 lines
1.6 KiB
Plaintext
90 lines
1.6 KiB
Plaintext
import VTMode from "@/components/VTMode";
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# Insert
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<VTMode value={4} ansi={true} />
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When enabled, text is written to the cell under the cursor
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and all existing content is shifted right. When disabled, text
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overwrites existing content.
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This mode is unset as part of both [full reset (RIS)](/vt/ris)
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and [soft reset (DECSTR)](/vt/decstr).
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If a multi-cell character (such as "橋") is shifted so that the cell is split
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in half, the multi-cell character can either be clipped or erased.
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This mode is typically disabled on terminal startup.
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## Validation
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### INSERT V-1: Simple Usage
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```bash
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "123456"
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printf "\033[1G"
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printf "\033[4h"
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printf "ABC"
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```
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```
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|ABC123456_|
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```
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### INSERT V-2: Pushing Off the Screen Edge
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```bash
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cols=$(tput cols)
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "\033[${cols}G"
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printf "\033[6D"
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printf "123456"
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printf "\033[6D"
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printf "\033[4h"
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printf "ABC"
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```
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```
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|____ABC1234|
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```
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### INSERT V-3: Writing on the Screen Edge
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```bash
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cols=$(tput cols)
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "\033[${cols}G"
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printf "\033[6D"
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printf "123456"
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printf "\033[1D"
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printf "\033[4h"
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printf "ABC"
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```
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```
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|____12345AB|
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|Cc_________|
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```
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### INSERT V-3: Splitting a Multi-Cell Character
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```bash
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cols=$(tput cols)
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printf "\033[1;1H" # move to top-left
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printf "\033[0J" # clear screen
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printf "\033[${cols}G"
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printf "\033[6D"
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printf "1234橋"
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printf "\033[6D"
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printf "\033[4h"
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printf "A"
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```
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```
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|_____A1234_|
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```
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