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* Simplify expressions in tputc()Roberto E. Vargas Caballero2014-04-281-9/+9
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* Fix misplaced breakRoberto E. Vargas Caballero2014-04-281-1/+1
| | | | | This misplaced break was causing an incorrect fall through from DSR to DECSTBM.
* Create a function for DEC testRoberto E. Vargas Caballero2014-04-281-9/+15
| | | | | | Almost of the sequences execute their action in a separate function, which is good because helps to read the full set of sequences faster.
* Fix tputc control code handlingRoberto E. Vargas Caballero2014-04-281-12/+8
| | | | | | | | | The patch 53105cf modified how control codes were detected, because it tried to handle also C1 control codes (0x80-0x9f), that have upper bit to 1, so they are multi byte character in utf8. Code was checking the value of width in order to known that after decoding the unicode point had a width of 1 byte, but it as incorrect because this width is the columnb width.
* Remove repeated initialisation of term.escRoberto E. Vargas Caballero2014-04-271-18/+6
| | | | | | Once a sequence is completed term.esc must return to 0, so instead of repeating this expression in all the cases is better put it at the end of the block.
* Cancel DCS with SUB, CAN, ESC or any CC1 codeRoberto E. Vargas Caballero2014-04-271-79/+127
| | | | | | | | | | | | | | | | | | | | | | From http://www.vt100.net/docs/vt510-rm/chapter4: *The VT510 ignores all following characters until it receives a SUB, ST, or any other C1 control character. So OSC, PM and APC sequence ends with a SUB (it cancels the sequence and show a question mark as error), ST or any another C1 (8 bits) code, or their C0 (7 bits) equivalent sequences (at this moment we do not handle C1 codes, but we should). But it is also said that: Cancel CAN 1/8 Immediately cancels an escape sequence, control sequence, or device control string in progress. In this case, the VT510 does not display any error character. Escape ESC 1/11 Introduces an escape sequence. ESC also cancels any escape sequence, control sequence, or device control string in progress.
* add break;s for last cases in switch statementsMarkus Teich2014-04-271-0/+4
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* Do not eat ESC character if control string is not properly terminated.noname2014-04-261-5/+3
| | | | | | | | | | | | | | | | | | Currently tputc handles the case of too long control string waiting for the end of control string. Another case is when there is ESC character is encountered but is not followed by '\\'. In this case st stops processing control string, but ESC character is ignored. After this patch st processes ESC characters in control strings properly. Test case: printf '\e]0;abc\e[1mBOLD\e[0m' Also ^[\ is actually processed in the code that handles ST. According to ECMA-048 ST stands for STRING TERMINATOR and is used to close control strings.
* Fix for multibyte characters in techo.noname2014-04-261-1/+1
| | | | Works for both signed and unsigned char.
* s/DSC/DCS/ DCS stands for DEVICE CONTROL STRINGnoname2014-04-261-2/+2
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* Use xwrite instead of write.noname2014-04-261-3/+3
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* Remove unnecessary breaknoname2014-04-261-1/+0
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* Comment fix.noname2014-04-251-1/+1
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* On terminal resize, clear the alt screen with its own cursor.Colona2014-04-251-0/+2
| | | | | Currently the alternate screen get messed up on resize if it has different colors or mode.
* Optimize tputtab.noname2014-04-251-16/+12
| | | | | | | | Before this patch executing printf '\e[10000000000I' or printf '\e[10000000000Z' resulted in long delay.
* Use != instead of ^ for logical values.noname2014-04-251-1/+1
| | | | | sel.alt is only changed by sel.alt = IS_SET(MODE_ALTSCREEN);
* Use BETWEEN macro in xsetcolorname and fix style.noname2014-04-251-3/+3
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* Conformity in the -g geometry handling.Christoph Lohmann2014-04-252-58/+56
| | | | | | | | Thanks to Yuri Karaban for suggesting this! These changes make -g correspond to <cols>x<rows> and honor it so non-tiling window managers can work with the size hints afterwards. It also adds a -i flag to force the window size. This is needed so -g keeps being useful in dwm.
* Simplify a bit more tdeletechar and tinsertblankRoberto E. Vargas Caballero2014-04-251-4/+6
| | | | | | The large and repeated expression used in memmove to indirect the line can be simplified using a pointer, that makes more clear where begins and where ends the movement.
* Simplify tdeletechar and tinsertblank and fix memory corruption.noname2014-04-251-18/+12
| | | | | | | | | | | | | | | Current CSI parsing code uses strtol to parse arguments and allows them to be negative. Negative argument is not properly handled in tdeletechar and tinsertblank and results in memory corruption in memmove. Reproduce with printf '\e[-500@' Patch also removes special handling for corner case and simplifies the code. Removed term.dirty[term.c.y] = 1 because tclearregion sets dirty flag.
* Style fixes in tscrollup.noname2014-04-231-3/+4
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* Do not set dirty flag twice in tscrollup and tscrolldown.noname2014-04-231-3/+1
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* Use tsetdirt in tscrollup and tscrolldown.noname2014-04-231-6/+4
| | | | | | | | | | | | | | | | | | | | tscrollup and tscrolldown do not use tsetdirt, but their code is equivalent to tsetdirt(orig, term.bot-n); tsetdirt(orig+n, term.bot); tclearregion also marks cleared lines as dirty. In tscrolldown it sets lines from term.bot-n+1 to term.bot dirty, and in tscrollup it sets lines from orig to orig+n-1 dirty. In both functions all lines from orig to term.bot are effectively set dirty, but in tscrolldown lines from orig+n to term.bot are set dirty twice, and in tscrollup lines from orig to term.bot-n are set dirty twice. These patches make it clear which lines are set dirty and sets them dirty once in each funciton.
* Fix techo handling of control and multibyte characters.noname2014-04-231-2/+2
| | | | | | | | | | | techo compares signed char to '\x20'. Any character with code less then '\x20' is treated as control character. This way characters with MSB set to 1 are considered control characters too. Also this patch makes techo display DEL character as ^?. To reprocuce the bug, enable echo mode using printf '\e[12l', then type DEL character or any non-ASCII character.
* Make xrealloc and xstrdup style consistent.noname2014-04-231-4/+2
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* Use BETWEEN in tsetchar.noname2014-04-231-2/+1
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* Use uint and uchar instead of unsigned int and unsigned char.noname2014-04-231-3/+3
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* Remove argument names from function prototypes.noname2014-04-231-6/+6
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* Style fix in tdumpsel.noname2014-04-231-2/+1
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* Use BETWEEN in tinsertblankline and tdeleteline.noname2014-04-231-8/+4
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* It's 2014 now.Christoph Lohmann2014-04-221-1/+1
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* move MODBIT to Macros sectionnoname@inventati.org2014-04-201-6/+4
| | | | Patch moves MODBIT to macros section and uses it in tselcs.
* misplaced parenthesis in LEN macrononame@inventati.org2014-04-201-1/+1
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* remove confusing SERRNO macroMarkus Teich2014-04-201-8/+7
| | | | | | | | | I found the SERRNO Macro slightly confusing, since you have to look it up, if you don't know it already. A web search showed it does not seem to be any kind of standard. Also there was no reason in the commit log when it was introduced in 2009. As you can see it also leads to new patches, which don't use this macro (probably the author did not know about it).
* Simplify techononame@inventati.org2014-04-151-4/+1
| | | | | Remove special case for \e because it is handled well by "control code" case.
* typedefs instead of #definesnoname@inventati.org2014-04-151-5/+5
| | | | Replaced #defines with typedefs where possible, patch attached.
* fix cursor handling when alt screen is disabledq@c9x.me2014-04-151-0/+3
| | | | | | | | I don't like this alt screen thing, but when allowaltscreen == 0, the cursor is still saved and restored after calling 'less' (or 'man'). This patch makes allowaltscreen == 0 usable.
* Merge remote-tracking branch 'origin/master' into omasterRoberto E. Vargas Caballero2014-04-151-2/+2
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| * Removing two unnecessary gettimeofday().Christoph Lohmann2014-04-111-2/+2
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* | Increment XSync consistencyToaster Toaster2014-04-111-1/+1
| | | | | | | | This patch cleans up a style inconsistency.
* | Fix Backspace and Delete charactersRoberto E. Vargas Caballero2014-04-112-4/+1
|/ | | | | | | | | | | Backspace key must generate the backspace character (\010) and Delete key must generate the delete character (\0177). In some systems the kernel configuration for erasing previous character is \0177, so some programs (for example cat, ed, mail, ...), can not understand the correct meaning of backspace. In this cases it is only needed this command: stty erase 
* 0.5 release.Christoph Lohmann2014-04-051-1/+1
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* Updating the TODO in preparating for 0.5.Christoph Lohmann2014-04-051-5/+0
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* There is no need for a full dirt redraw.Christoph Lohmann2014-04-051-1/+0
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* Fixing a compiler warning with the assignment.Christoph Lohmann2014-04-021-1/+1
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* Fix segfault when pressing PrintScr without a selectionRafa Garcia Gallego2014-03-271-3/+4
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* new utf decoderDamian Okrasa2014-03-271-133/+81
| | | | | | | This patch replaces current utf decoder with a new one, which is ~50 lines shorter and should be easier to understand. Parsing 5 and 6 sequences, if necessary, requires trivial modification of UTF_SIZ constant and utfbyte, utfmask, utfmin, utfmax arrays.
* Merge branch 'master' of ssh://suckless.org/gitrepos/stRoberto E. Vargas Caballero2014-03-101-6/+16
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| * Style cleanup.Christoph Lohmann2014-03-011-5/+14
| | | | | | | | Add some note about the main reason why st is still that big.
| * Style matters.Christoph Lohmann2014-03-011-1/+2
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