Adding the CSI 22, 23 patch
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@ -15,6 +15,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
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### Changelog:
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2021-08-18 - Added the CSI 22 & 23 patch
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2021-07-26 - Added columns patch
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2021-07-07 - Added sixel scrollback and the openurlonclick patch
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@ -88,7 +90,8 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
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- allows st to reize to any pixel size rather than snapping to character width / height
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- [anysize_nobar](https://github.com/connor-brooks/st-anysize-nobar)
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- a patch that aims to prevent black bars being drawn on the edges of st terminals using the anysize patch
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- a patch that aims to prevent black bars being drawn on the edges of st terminals using the
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anysize patch
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- [blinking-cursor](https://st.suckless.org/patches/blinking_cursor/)
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- allows the use of a blinking cursor
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@ -112,6 +115,10 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
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- this patch allows you to select and copy the last URL displayed with Mod+l
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- multiple invocations cycle through the available URLs
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- [csi_23_23](https://st.suckless.org/patches/csi_22_23/)
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- adds support for CSI escape sequences 22 and 23, which save and restores the window title
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(for instance nvim does this when opening and closing)
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- default-cursor
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- minor change allowing escape sequences like `\e[ q` or `\e[0 q` to set the cursor back to default configuration instead of a blinking block
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- while many terminals do this the behaviour is not according to the specification
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@ -94,6 +94,12 @@
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*/
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#define COPYURL_HIGHLIGHT_SELECTED_URLS_PATCH 0
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/* This patch adds support for CSI escape sequences 22 and 23, which save and
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* restores the window title (for instance nvim does this when opening and closing).
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* https://st.suckless.org/patches/csi_22_23/
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*/
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#define CSI_22_23_PATCH 0
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/* According to the specification (see link in BLINKING_CURSOR_PATCH) the "Set cursor style
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* (DECSCUSR), VT520." escape sequences define both values of 0 and 1 as a blinking block,
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* with 1 being the default.
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49
st.c
49
st.c
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@ -2314,6 +2314,36 @@ csihandle(void)
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case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
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tcursor(CURSOR_SAVE);
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break;
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#if CSI_22_23_PATCH
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case 't': /* title stack operations */
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switch (csiescseq.arg[0]) {
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case 22: /* pust current title on stack */
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switch (csiescseq.arg[1]) {
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case 0:
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case 1:
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case 2:
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xpushtitle();
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break;
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default:
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goto unknown;
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}
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break;
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case 23: /* pop last title from stack */
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switch (csiescseq.arg[1]) {
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case 0:
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case 1:
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case 2:
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xsettitle(NULL, 1);
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break;
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default:
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goto unknown;
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}
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break;
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default:
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goto unknown;
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}
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break;
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#endif // CSI_22_23_PATCH
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case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
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tcursor(CURSOR_LOAD);
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break;
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@ -2379,7 +2409,11 @@ strhandle(void)
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switch (par) {
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case 0:
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if (narg > 1) {
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#if CSI_22_23_PATCH
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xsettitle(strescseq.args[1], 0);
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#else
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xsettitle(strescseq.args[1]);
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#endif // CSI_22_23_PATCH
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xseticontitle(strescseq.args[1]);
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}
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return;
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@ -2389,7 +2423,11 @@ strhandle(void)
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return;
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case 2:
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if (narg > 1)
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#if CSI_22_23_PATCH
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xsettitle(strescseq.args[1], 0);
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#else
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xsettitle(strescseq.args[1]);
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#endif // CSI_22_23_PATCH
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return;
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case 52:
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if (narg > 2 && allowwindowops) {
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@ -2469,7 +2507,11 @@ strhandle(void)
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}
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break;
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case 'k': /* old title set compatibility */
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#if CSI_22_23_PATCH
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xsettitle(strescseq.args[0], 0);
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#else
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xsettitle(strescseq.args[0]);
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#endif // CSI_22_23_PATCH
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return;
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case 'P': /* DCS -- Device Control String */
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#if SIXEL_PATCH
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@ -2905,6 +2947,9 @@ eschandle(uchar ascii)
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break;
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case 'c': /* RIS -- Reset to initial state */
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treset();
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#if CSI_22_23_PATCH
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xfreetitlestack();
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#endif // CSI_22_23_PATCH
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resettitle();
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xloadcols();
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break;
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@ -3326,7 +3371,11 @@ tresize(int col, int row)
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void
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resettitle(void)
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{
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#if CSI_22_23_PATCH
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xsettitle(NULL, 0);
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#else
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xsettitle(NULL);
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#endif // CSI_22_23_PATCH
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}
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void
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6
win.h
6
win.h
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@ -41,7 +41,13 @@ void xfinishdraw(void);
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void xloadcols(void);
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int xsetcolorname(int, const char *);
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void xseticontitle(char *);
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#if CSI_22_23_PATCH
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void xfreetitlestack(void);
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void xsettitle(char *, int);
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void xpushtitle(void);
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#else
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void xsettitle(char *);
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#endif // CSI_22_23_PATCH
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int xsetcursor(int);
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void xsetmode(int, unsigned int);
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void xsetpointermotion(int);
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54
x.c
54
x.c
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@ -48,6 +48,11 @@ static void zoomreset(const Arg *);
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/* config.h for applying patches and the configuration. */
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#include "config.h"
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#if CSI_22_23_PATCH
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/* size of title stack */
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#define TITLESTACKSIZE 8
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#endif // CSI_22_23_PATCH
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/* XEMBED messages */
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#define XEMBED_FOCUS_IN 4
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#define XEMBED_FOCUS_OUT 5
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@ -148,6 +153,11 @@ XWindow xw;
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XSelection xsel;
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TermWindow win;
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#if CSI_22_23_PATCH
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static int tstki; /* title stack index */
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static char *titlestack[TITLESTACKSIZE]; /* title stack */
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#endif // CSI_22_23_PATCH
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/* Font Ring Cache */
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enum {
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FRC_NORMAL,
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@ -2189,6 +2199,49 @@ xseticontitle(char *p)
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XFree(prop.value);
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}
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#if CSI_22_23_PATCH
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void
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xsettitle(char *p, int pop)
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{
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XTextProperty prop;
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free(titlestack[tstki]);
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if (pop) {
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titlestack[tstki] = NULL;
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tstki = (tstki - 1 + TITLESTACKSIZE) % TITLESTACKSIZE;
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p = titlestack[tstki] ? titlestack[tstki] : opt_title;
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} else if (p) {
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titlestack[tstki] = xstrdup(p);
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} else {
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titlestack[tstki] = NULL;
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p = opt_title;
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}
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Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop);
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XSetWMName(xw.dpy, xw.win, &prop);
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XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
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XFree(prop.value);
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}
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void
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xpushtitle(void)
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{
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int tstkin = (tstki + 1) % TITLESTACKSIZE;
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free(titlestack[tstkin]);
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titlestack[tstkin] = titlestack[tstki] ? xstrdup(titlestack[tstki]) : NULL;
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tstki = tstkin;
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}
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void
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xfreetitlestack(void)
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{
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for (int i = 0; i < LEN(titlestack); i++) {
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free(titlestack[i]);
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titlestack[i] = NULL;
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}
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}
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#else
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void
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xsettitle(char *p)
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{
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@ -2201,6 +2254,7 @@ xsettitle(char *p)
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XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
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XFree(prop.value);
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}
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#endif // CSI_22_23_PATCH
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int
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xstartdraw(void)
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