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* X10/SGR mouse: use alt as meta key instead of super/windows keyHiltjo Posthuma2024-05-121-1/+1
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* Fix mousereportrobert2024-05-121-35/+51
| | | | | | | | | | | | | | | | | | | | | This patch replaces the previous one I sent. The following changes are made in this patch: - Fix tracking of pressed buttons. Previously, pressing two buttons and then releasing one would make st think no buttons are pressed, which in particular broke MODE_MOUSEMOTION. - Always send the lowest-numbered pressed button on motion events; when no button is pressed for a motion event in MODE_MOUSEMANY, then send a release. This matches the behaviour of xterm. (Previously, st sent the most recently pressed button in the motion report.) - Remove UB (?) access to potentially inactive struct member e->xbutton.button of XEvent union. - Fix (unlikely) possibility of overflow for large button numbers. The one discrepancy I found between st and xterm is that xterm sometimes encodes buttons with large numbers (>5) strangely. E.g., xterm reports presses of buttons 8 and 9 as releases, whereas st properly (?) encodes them as presses.
* Add support for OSC color sequencesRaheman Vaiya2024-05-121-0/+13
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* config.h: force emoji to be rendered with ttf-symbolaRomain Gonçalves2022-05-201-0/+101
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* x.c: add w3m support for imagesRomain Gonçalves2022-05-201-0/+2
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* fix possible rare crash when Xutf8TextPropertyToTextList failsHiltjo Posthuma2021-08-241-4/+6
| | | | | | | | | | | from the XmbTextListToTextProperty(3) man page: "If insufficient memory is available for the new value string, the functions return XNoMemory. If the current locale is not supported, the functions return XLocaleNotSupported. In both of these error cases, the functions do not set text_prop_return." Reported by Steffen Nurpmeso <steffen@sdaoden.eu>, thanks!
* Add 14th bit to XK_SWITCH_MOD bitmaskPetar Kapriš2021-07-181-1/+1
| | | | | | | | | | The bits of uint signal in an XKeyEvent which concern the key group (keyboard layout) are bits 13 and 14, as documented here: https://www.x.org/releases/X11R7.7/doc/libX11/XKB/xkblib.html#Groups_and_Shift_Levels In the older version, only bit 13 was marked as part of XK_SWITCH_MOD, this causes issues for users who have more than two keymaps. the 14th bit is not in ignoremod, key sequences are not caught by match(), if they switch to a third or fourth keyboard.
* Mild const-correctness improvements.Markus F.X.J. Oberhumer2021-05-061-3/+3
| | | | | Only touch a few things, the main focus is to improve code readability.
* fix: correctly encode mouse buttons >= 8 in X10 and SGR modeHiltjo Posthuma2021-03-191-1/+3
| | | | | | | | | | | | | | | | | | | | | | These are typically mapped in X11 to the side-buttons (backward/forwards) on the mouse. A comparison of the button numbers in SGR mode (first field): st old: 0 1 2 64 65 66 67 68 69 70 st new (it is the same as xterm now): 0 1 2 64 65 66 67 128 129 130 A script to test and reproduce it, first argument is "h" (on) or "l" (off): #!/bin/sh printf '\x1b[?1000%s\x1b[?1006%s' "$1" "$1" for n in 1 2 3 4 5 6 7 8 9 10; do printf 'button %d\n' "$n" xdotool click "$n" printf '\n\n' done
* ST: Add WM_ICON_NAME property supportJohn Collis2020-10-181-1/+15
| | | | Also added _NET_WM_ICON_NAME.
* Call xsetcursor to set win.cursor in mainSteve Ward2020-05-241-5/+4
| | | | | In xsetcursor, remove "DEFAULT(cursor, 1)" because 0 is a valid value. Increase max allowed value of cursor from 6 to 7 (st extension).
* code-style: add fallthrough commentHiltjo Posthuma2020-05-091-0/+1
| | | | Patch by Steve Ward, thanks.
* tiny code-style and typo-fix in commentHiltjo Posthuma2020-05-091-1/+1
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* auto-sync: draw on idle to avoid flicker/tearingAvi Halachmi (:avih)2020-05-091-63/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | st could easily tear/flicker with animation or other unattended output. This commit eliminates most of the tear/flicker. Before this commit, the display timing had two "modes": - Interactively, st was waiting fixed `1000/xfps` ms after forwarding the kb/mouse event to the application and before drawing. - Unattended, and specifically with animations, the draw frequency was throttled to `actionfps`. Animation at a higher rate would throttle and likely tear, and at lower rates it was tearing big frames (specifically, when one `read` didn't get a full "frame"). The interactive behavior was decent, but it was impossible to get good unattended-draw behavior even with carefully chosen configuration. This commit changes the behavior such that it draws on idle instead of using fixed latency/frequency. This means that it tries to draw only when it's very likely that the application has completed its output (or after some duration without idle), so it mostly succeeds to avoid tear, flicker, and partial drawing. The config values minlatency/maxlatency replace xfps/actionfps and define the range which the algorithm is allowed to wait from the initial draw-trigger until the actual draw. The range enables the flexibility to choose when to draw - when least likely to flicker. It also unifies the interactive and unattended behavior and config values, which makes the code simpler as well - without sacrificing latency during interactive use, because typically interactively idle arrives very quickly, so the wait is typically minlatency. While it only slighly improves interactive behavior, for animations and other unattended-drawing it improves greatly, as it effectively adapts to any [animation] output rate without tearing, throttling, redundant drawing, or unnecessary delays (sounds impossible, but it works).
* make argv0 not static, fixes a warning with tccHiltjo Posthuma2020-04-101-1/+1
| | | | Reported by Aajonus, thanks!
* mouseshortcuts: fix custom modifier on releaseAvi Halachmi (:avih)2020-04-021-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | This line didn't work at mshortcuts at config.h: /* mask button function arg release */ { ShiftMask, Button2, selpaste, {.i = 0}, 1 }, and now it does work. The issue was that XButtonEvent.state is "the logical state ... just prior to the event", which means that on release the state has the Button2Mask bit set because button2 was down just before it was released. The issue didn't manifest with the default shift + middle-click on release (to override mouse mode) because its specified modifier is XK_ANY_MOD, at which case match(...) ignores any specific bits and simply returns true. The issue also doesn't manifest on press, because prior to the event Button<N> was not down and its mask bit is not set. Fix by filtering out the mask of the button which we're currently matching. We could have said "well, that's how button events behave, you should use ShiftMask|Button2Mask for release", but this both not obvious to figure out, and specifically here always filtering does not prevent configuring any useful modifiers combination. So it's a win-win.
* Remove explicit XNFocusWindowIvan Tham2020-02-191-1/+0
| | | | | | | | | | | | | | | | | XCreateIC ICValues default XNFocusWindow to XNClientWindow if not specified, it can be omitted since it is the same. From the documentation https://www.x.org/releases/current/doc/libX11/libX11/libX11.html > Focus Window > > The XNFocusWindow argument specifies the focus window. The primary > purpose of the XNFocusWindow is to identify the window that will receive > the key event when input is composed. > > When this XIC value is left unspecified, the input method will use the > client window as the default focus window.
* x: fix XIM handlingQuentin Rameau2020-02-021-24/+44
| | | | | | | | | | | Do not try to set specific IM method, let the user specify it with XMODIFIERS. If the requested method is not available or opening fails, fallback to the default input handler and register a handler on the new IM server availability signal. Do the same when the input server is closed and (re)started.
* x: check we still have an XIC context before accessing itQuentin Rameau2020-02-021-2/+5
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* x: do not instantiate a new nested list on each cursor moveQuentin Rameau2020-02-021-4/+12
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* x: move IME variables into XWindow ime embedded structQuentin Rameau2020-02-021-12/+14
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* Increase XmbLookupString bufferIvan Tham2020-01-181-1/+1
| | | | | | | | | | | | Current buffer is too short to input medium to long sentences from IME. Input with longer text will show the wrong input, taking 64 instead of 32 bytes should be enough for most of the cases. Broken cases before, Chinese (taken from song 也可以) 可不可以轻轻的松开自己 Japanese (taken from bootleggers rom quote) あなたは家のように感じる
* apply hints before initial mapping (ICCCM)Ingo Lohmar2019-10-261-1/+1
| | | | | | | | | For WM_CLASS this is mentioned in the ICCCM docs https://tronche.com/gui/x/icccm/sec-4.html#s-4.1.2.5 (third sentence). When changing the WM_CLASS from the command line, this is necessary for window managers to pick it up before applying class-based rules.
* mouse shortcuts: allow using forcemousemod (e.g. shift)Avi Halachmi (:avih)2019-10-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The recent mouse shurtcuts commits allow customization, but ignore forcemousemod mask (default: shift) as a modifier, for no good reason other than following the behavior of the KB shortcuts. Allow using forcemousemod too, which now can be used to invoke different shortcuts, though the automatic effect of forcemousemod will be lost for buttons which use mask with forcemousemod. E.g. the default is: static uint forcemousemod = ShiftMask; ... { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} }, ... where ttysend will be invoked for button4 with any mod when not in mouse mode, and with shift when in mouse mode. Now it's possible to do this: { ShiftMask, Button4, ttysend, {.s = "foo"} }, { XK_ANY_MOD, Button4, ttysend, {.s = "\031"} }, Which will invoke ttysend("foo") while shift is held and ttysend("\031") otherwise. Shift still overrides mouse mode, but will now send "foo". Previously with this setup the second binding was always invoked because the forceousemod mask was always removed from the event. Buttons which don't use forcemousemod behave the same as before. This is useful e.g. for the scrollback mouse patch, which wants to configure shift+wheel for scrollback, while keeping the normal behavior without shift.
* mouse shortcuts: don't hardcode selpasteAvi Halachmi (:avih)2019-10-131-11/+24
| | | | | | | | Because selpaste is activated on release, a release flag was added to mouse shortcuts which controls whether activation is on press/release, and selpaste binding to button2 was moved to config.h . button1 remains the only hardcoded mouse button - for selection + copy.
* mouse shortcuts: allow override for all shortcutsAvi Halachmi (:avih)2019-10-131-6/+6
| | | | | | | | | | | | | | | Allow forceselmod to override all mouse shortcuts rather than only selection, and rename it to forcemousemod as it's now more appropriate. This will affect mouse shortcuts which use mask other than XK_ANY_MOD. This does not affect the default behavior because the default mouse shortcuts (wheel) use XK_ANY_MOD, where forceselmod already activated the override also before this change. Previously, if a mouse shortcut was configured with a specific mod and forceselmod was held, then the shortcut did not execute unless the configured mod included forceselmod.
* mouse shortcuts: allow same functions as kb shortcutsAvi Halachmi (:avih)2019-10-131-6/+14
| | | | | | | Previously mouse shortcuts supported only ttywrite. This required adding an "Arg" function ttysend - which does what the original mouse shortcuts did.
* simplify (greedy) font caching allocating a bitHiltjo Posthuma2019-03-031-7/+2
| | | | | | POSIX says: "If ptr is a null pointer, realloc() shall be equivalent to malloc() for the specified size."
* style: remove double empty newlinesHiltjo Posthuma2019-03-031-2/+0
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* fix use after free in font caching algorithmmagras2019-03-031-6/+9
| | | | | | | | | | | | | | | | | | Current font caching algorithm contains a use after free error. A font removed from `frc` might be still listed in `wx.specbuf`. It will lead to a crash inside `XftDrawGlyphFontSpec()`. Steps to reproduce: $ st -f 'Misc Tamsyn:scalable=false' $ curl https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-demo.txt Of course, result depends on fonts installed on a system and fontconfig. In my case, I'm getting consistent segfaults with different fonts. I replaced a fixed array with a simple unbounded buffer with a constant growth rate. Cache starts with a capacity of 0, gets increments by 16, and never shrinks. On my machine after `cat UTF-8-demo.txt` buffer reaches a capacity of 192. During casual use capacity stays at 0.
* better Input Method Editor (IME) supportIvan Tham2019-02-121-17/+52
| | | | | | | | | | | | Features: - Allow input methods swap with hotkey (E.g. left ctrl + left shift). - Over-the-spot pre-editing style, pre-edit data placed over insertion point. - Restart IME without segmentation fault. TODO: - Automatically pickup IME if st started before IME
* fix memory leak in xloadcols()Hiltjo Posthuma2018-11-041-3/+3
| | | | | | reported by Avi Halachmi (:avih)" <avihpit@yahoo.com> patch slightly changed by me.
* Revert "Simplify cursor color handling"Hiltjo Posthuma2018-07-171-12/+18
| | | | This reverts commit 1911c9274d9b03f3d7999c6ce26e2d5169642d26.
* Revert "Make cursor follow text color"Hiltjo Posthuma2018-07-171-7/+5
| | | | This reverts commit b51bcd5553af3db394014efbd78acf7828fa48ff.
* Revert "Fix crash when cursor color is truecolor"Hiltjo Posthuma2018-07-171-13/+4
| | | | This reverts commit 5535c1f04c665c05faff2a65d5558246b7748d49.
* Fix crash when cursor color is truecolorJules Maselbas2018-07-151-4/+13
| | | | Reported-by: Ivan Tham <pickfire@riseup.net>
* Make cursor follow text colorJules Maselbas2018-07-141-5/+7
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* Simplify cursor color handlingJules Maselbas2018-07-141-18/+12
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* Fix crash on resizeJules Maselbas2018-06-301-4/+8
| | | | | Prevent to realloc xw.specbuc with a negative number of col. Add proper hints for the minimal size, for one character.
* error message style and use strerror in a few placesHiltjo Posthuma2018-03-291-14/+13
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* st -v: remove years and copyright textHiltjo Posthuma2018-03-291-1/+1
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* fix regression by selecting clipboard textHiltjo Posthuma2018-03-201-0/+3
| | | | | | | "restore the old behaviour that the primary doesn't get deleted by a simple left click" Patch by Daniel Tameling <tamelingdaniel@gmail.com>, thanks!
* clipcopy: no need to check for free(NULL), set to NULL after freeHiltjo Posthuma2018-03-171-2/+2
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* Fix title initializationQuentin Rameau2018-03-161-5/+5
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* Fix regression from 69e32a6 when setting title.Quentin Rameau2018-03-161-1/+1
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* use math.h for ceilfHiltjo Posthuma2018-03-091-1/+1
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* xhints: no need to initialize sizehHiltjo Posthuma2018-03-091-1/+1
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* General cleanupDevin J. Pohly2018-02-251-25/+21
| | | | | | | Simplifies logic in a couple places and removes a redundant function call. Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Clean up #includesDevin J. Pohly2018-02-251-2/+1
| | | | Signed-off-by: Devin J. Pohly <djpohly@gmail.com>
* Reduce visibility wherever possibleDevin J. Pohly2018-02-251-2/+13
| | | | | | | | 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>
remember that computers suck.