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* code-golfing: cleanup osc color related codeNRK2024-05-121-2/+0
| | | | | | | | | | | | * adds missing function prototype * move xgetcolor() prototype to win.h (that's where all the other x.c func prototype seems to be declared at) * check for snprintf error/truncation * reduces code duplication for osc 10/11/12 * unify osc_color_response() and osc4_color_response() into a single function the latter two was suggested by Quentin Rameau in his patch review on the hackers list.
* Add support for OSC color sequencesRaheman Vaiya2024-05-121-0/+3
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* Mild const-correctness improvements.Markus F.X.J. Oberhumer2021-05-061-2/+2
| | | | | Only touch a few things, the main focus is to improve code readability.
* config.def.h: add an option allowwindowops, by default off (secure)Hiltjo Posthuma2020-05-301-0/+1
| | | | | | | | | | | | | | | | Similar to the xterm AllowWindowOps option, this is an option to allow or disallow certain (non-interactive) operations that can be insecure or exploited. NOTE: xsettitle() is not guarded by this because st does not support printing the window title. Else this could be exploitable (arbitrary code execution). Similar problems have been found in the past in other terminal emulators. The sequence for base64-encoded clipboard copy is now guarded because it allows a sequence written to the terminal to manipulate the clipboard of the running user non-interactively, for example: printf '\x1b]52;0;ZWNobyBoaQ0=\a'
* Add support for scroll(1)Roberto E. Vargas Caballero2020-04-111-0/+1
| | | | | | | | | Scroll is a program that stores all the lines of its child and be used in st as a way of implementing scrollback. This solution is much better than implementing the scrollback in st itself because having a different program allows to use it in any other program without doing modifications to those programs.
* mouse shortcuts: allow same functions as kb shortcutsAvi Halachmi (:avih)2019-10-131-0/+1
| | | | | | | Previously mouse shortcuts supported only ttywrite. This required adding an "Arg" function ttysend - which does what the original mouse shortcuts did.
* revert part of commit add0211522737b79dad990ccd65c8af63b5cc1ddHiltjo Posthuma2019-03-151-1/+1
| | | | | | | | | | "use iswspace()/iswpunct() to find word delimiters this inverts the configuration logic: you no longer provide a list of delimiters -- all space and punctuation characters are considered delimiters, unless listed in extrawordchars." Feedback from IRC and personal preference.
* use iswspace()/iswpunct() to find word delimitersLauri Tirkkonen2019-03-151-1/+1
| | | | | | this inverts the configuration logic: you no longer provide a list of delimiters -- all space and punctuation characters are considered delimiters, unless listed in extrawordchars.
* replace utf8strchr with wcschrLauri Tirkkonen2019-03-151-1/+1
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* Remove the ISO 14755 featureQuentin Rameau2018-09-111-1/+0
| | | | | | And move it to the patches section. Keeping it would force to add an exec pledge on OpenBSD, and some people think it's bloated, so bye!
* Clean up #includesDevin J. Pohly2018-02-251-0/+3
| | | | Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Reduce visibility wherever possibleDevin J. Pohly2018-02-251-40/+0
| | | | | | | | When possible, declare functions/variables static and move struct definitions out of headers. In order to allow utf8decode to become internal, use codepoint for DECSCUSR extension directly. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Limit usage of extern to config.h globalsDevin J. Pohly2018-02-251-7/+2
| | | | | | | | Prefer passing arguments to declaring external global variables. The only remaining usage of extern is for config.h variables which are needed in st.c instead of x.c (where it is now included). Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Remove x.c dependency on termDevin J. Pohly2018-02-251-21/+0
| | | | | | | | | | | The xinit function only needs to the rows/cols, so pass those in rather than accessing term directly. With a bit of arithmetic, we are able to avoid the need for term.row and term.col in x2col, y2row, and xdrawglyphfontspecs as well, completing the removal. Term is now fully internal to st.c. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Pull term references out of xdrawcursorDevin J. Pohly2018-02-251-1/+3
| | | | | | | | | Gradually reducing x.c dependency on Term object. Old and new cursor glyph/position are passed to xdrawcursor. (There may be an opportunity to refactor further if we can unify "clear old cursor" and "draw new cursor" functionality.) Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move win-agnostic parts of draw/drawregion to st.cDevin J. Pohly2018-02-251-0/+1
| | | | | | | | | | Introduces three functions to encapsulate X-specific behavior: * xdrawline: draws a portion of a single line (used by drawregion) * xbegindraw: called to prepare for drawing (will be useful for e.g. Wayland) and returns true if drawing should happen * xfinishdraw: called to finish drawing (used by draw) Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Split mode bits between Term and TermWindowDevin J. Pohly2018-02-251-32/+1
| | | | | | | | | | | | | Moves the mode bits used by x.c from Term to TermWindow, absorbing UI/input-related mode bits (visible/focused/numlock) along the way. This is gradually reducing external references to Term. Since TermWindow is already internal to x.c, we add xsetmode() to allow st to modify window bits in accordance with escape sequences. IS_SET() is redefined accordingly (term.mode in st.c, win.mode in x.c). Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move terminal echo logic into st.cDevin J. Pohly2018-02-251-2/+1
| | | | | | | The only thing differentiating ttywrite and ttysend was the potential for echo; make this a parameter and remove ttysend. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move remaining selection mode logic into selextendDevin J. Pohly2018-02-251-2/+1
| | | | | | | The "done" parameter indicates a change which finalizes the selection (e.g. a mouse button release as opposed to motion). Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move terminal-related selection logic into st.cDevin J. Pohly2018-02-251-1/+2
| | | | | | | | | | | The front-end determines information about mouse clicks and motion, and the terminal handles the actual selection start/extend/dirty logic by row and column. While we're in the neighborhood, we'll also rename getbuttoninfo() to mousesel() which is, at least, less wrong. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move X-specific selection info into XSelectionDevin J. Pohly2018-02-251-5/+0
| | | | | | | Data about PRIMARY/CLIPBOARD and clicks are part of the front-end, not the terminal. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Make win variable internal to x.cDevin J. Pohly2018-02-251-1/+0
| | | | | | | There was only a single reference to the `win` variable in st.c, so exporting that to x.c allows us to rid ourselves of another extern. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move X-related config.h types into x.cDevin J. Pohly2018-02-251-23/+0
| | | | | | No need to expose Shortcut, MouseShortcut, and Key anymore. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move config.h include from st.c to x.cDevin J. Pohly2018-02-251-36/+14
| | | | | | | | config.h includes references to KeySyms and other X stuff. Until we come up with a cleaner way to separate configuration, it is simpler (leads to more code removal) to have this here. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Factor out equivalent code from ttyread/ttysendDevin J. Pohly2018-02-251-1/+1
| | | | | | | | | | | | The echo-to-terminal portions of ttyread and ttysend were actually doing the same thing. New function twrite() now handles this. The parameter show_ctrl determines whether control characters are shown as "^A". This was the only difference between tputc and techo, and techo is now unused and removed. (This commit should not change st's behaviour.) Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move opt_* into same file as main()/run()Devin J. Pohly2018-02-251-9/+2
| | | | | | | | This commit is purely about reducing externs and LOC. If the main and run functions ever move elsewhere (which will probably make sense eventually), these should come along with them. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move key-matching functions into x.cDevin J. Pohly2018-02-251-3/+15
| | | | | | | | Modifiers and keysyms are specific to X, and the functions match and kmap are only used in x.c. Needed to global-ize the key arrays and lengths from config.h (for now). Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Pass new dimensions into ttyresizeDevin J. Pohly2018-02-251-1/+1
| | | | | | This removes another reference to TermWindow from st.c. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move window-manipulating functions into x.cDevin J. Pohly2018-02-251-8/+1
| | | | | | xresize is now internal to x.c Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move font/fontspec variables into x.c and XWindowDevin J. Pohly2018-02-251-6/+2
| | | | Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move window urgency handling entirely into x.cDevin J. Pohly2018-02-251-0/+1
| | | | | | This allows us to make xseturgency internal. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move zoom functions into x.cDevin J. Pohly2018-02-251-0/+1
| | | | | | | This makes x(un)loadfonts internal to x.c. Needed to reorder includes and move a typedef to keep the compiler happy. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Move usage() to be with run() in x.cDevin J. Pohly2018-02-251-2/+0
| | | | | | run/usage/xinit are now all internal to x.c Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Split X-specific code into x.cMichael Forney2017-01-201-0/+272
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* added/removed files, updated Makefile.Aurélien Aptel2009-06-161-178/+0
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* added sigchld handler, cleaned error checking.Aurélien Aptel2009-06-111-1/+6
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* handle tabulation (still not perfect)Aurélien Aptel2009-05-141-0/+2
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* removed the truecolor stuffAurélien Aptel2009-05-141-15/+5
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* backport of local changesAnselm R Garbe2009-05-101-0/+181
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