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* Avoid segfault in getstr_fixscr()Lukas Fleischer2011-07-021-2/+2
| | | | | | | | Avoid a segfault that may occur if getstr_fixscr() changes the scroll offset to something outside the input boundaries (e.g. if a word that is only partly visible is killed via backward-kill-word). Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Use constant for maximum UTF-8 character sizeLukas Fleischer2011-07-021-2/+3
| | | | | | | Introduce a UTF8_MAXLEN constant instead of using the literal value "6" at various places. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Refactor getstring codeLukas Fleischer2011-07-021-53/+65
| | | | | | | | | | * Rename static showstring() function to getstr_print(), rename ins_char() to getstr_ins_char() and del_char() to getstr_del_char(). * Refactor out getstring data structure initialization and window scrolling routines. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Make getstring() UTF-8 compatibleLukas Fleischer2011-06-291-54/+120
| | | | Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>
* Split line editing functions into separate fileLukas Fleischer2011-06-291-0/+220
Move getstring() related stuff into a separate file as a first step on our way to UTF-8 support for line editing helpers. Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>