dmenu-center-20250407-b1e217b.diff - sites - public wiki contents of suckless.org
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       dmenu-center-20250407-b1e217b.diff (4000B)
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            1 From 95a444534c230de79000348b0e12f8644aac8b15 Mon Sep 17 00:00:00 2001
            2 From: leliel <mail.leliel@proton.me>
            3 Date: Mon, 7 Apr 2025 01:00:01 +0000
            4 Subject: [PATCH] Increased speed for long files with emojis.
            5 
            6 ---
            7  config.def.h |  3 +++
            8  dmenu.1      |  3 +++
            9  dmenu.c      | 40 ++++++++++++++++++++++++++++++++++------
           10  3 files changed, 40 insertions(+), 6 deletions(-)
           11 
           12 diff --git a/config.def.h b/config.def.h
           13 index 1edb647..832896f 100644
           14 --- a/config.def.h
           15 +++ b/config.def.h
           16 @@ -2,6 +2,9 @@
           17  /* Default settings; can be overriden by command line. */
           18  
           19  static int topbar = 1;                      /* -b  option; if 0, dmenu appears at bottom     */
           20 +static int centered = 1;                    /* -c option; centers dmenu on screen */
           21 +static int min_width = 500;                    /* minimum width when centered */
           22 +static const float menu_height_ratio = 4.0f;  /* This is the ratio used in the original calculation */
           23  /* -fn option overrides fonts[0]; default X11 font or font set */
           24  static const char *fonts[] = {
           25          "monospace:size=10"
           26 diff --git a/dmenu.1 b/dmenu.1
           27 index 323f93c..c036baa 100644
           28 --- a/dmenu.1
           29 +++ b/dmenu.1
           30 @@ -40,6 +40,9 @@ which lists programs in the user's $PATH and runs the result in their $SHELL.
           31  .B \-b
           32  dmenu appears at the bottom of the screen.
           33  .TP
           34 +.B \-c
           35 +dmenu appears centered on the screen.
           36 +.TP
           37  .B \-f
           38  dmenu grabs the keyboard before reading stdin if not reading from a tty. This
           39  is faster, but will lock up X until stdin reaches end\-of\-file.
           40 diff --git a/dmenu.c b/dmenu.c
           41 index fd49549..ceb52c7 100644
           42 --- a/dmenu.c
           43 +++ b/dmenu.c
           44 @@ -29,6 +29,7 @@ enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
           45  
           46  struct item {
           47          char *text;
           48 +        unsigned int width;
           49          struct item *left, *right;
           50          int out;
           51  };
           52 @@ -95,6 +96,15 @@ calcoffsets(void)
           53                          break;
           54  }
           55  
           56 +static int
           57 +max_textw(void)
           58 +{
           59 +        int len = 0;
           60 +        for (struct item *item = items; item && item->text; item++)
           61 +                len = MAX(item->width, len);
           62 +        return len;
           63 +}
           64 +
           65  static void
           66  cleanup(void)
           67  {
           68 @@ -563,6 +573,7 @@ readstdin(void)
           69                          line[len - 1] = '\0';
           70                  if (!(items[i].text = strdup(line)))
           71                          die("strdup:");
           72 +                items[i].width = TEXTW(line);
           73  
           74                  items[i].out = 0;
           75          }
           76 @@ -636,6 +647,7 @@ setup(void)
           77          bh = drw->fonts->h + 2;
           78          lines = MAX(lines, 0);
           79          mh = (lines + 1) * bh;
           80 +        promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
           81  #ifdef XINERAMA
           82          i = 0;
           83          if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
           84 @@ -662,9 +674,16 @@ setup(void)
           85                                  if (INTERSECT(x, y, 1, 1, info[i]) != 0)
           86                                          break;
           87  
           88 -                x = info[i].x_org;
           89 -                y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
           90 -                mw = info[i].width;
           91 +                if (centered) {
           92 +                        mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
           93 +                        x = info[i].x_org + ((info[i].width  - mw) / 2);
           94 +                        y = info[i].y_org + ((info[i].height - mh) / menu_height_ratio);
           95 +                } else {
           96 +                        x = info[i].x_org;
           97 +                        y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
           98 +                        mw = info[i].width;
           99 +                }
          100 +
          101                  XFree(info);
          102          } else
          103  #endif
          104 @@ -672,9 +691,16 @@ setup(void)
          105                  if (!XGetWindowAttributes(dpy, parentwin, &wa))
          106                          die("could not get embedding window attributes: 0x%lx",
          107                              parentwin);
          108 -                x = 0;
          109 -                y = topbar ? 0 : wa.height - mh;
          110 -                mw = wa.width;
          111 +
          112 +                if (centered) {
          113 +                        mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
          114 +                        x = (wa.width  - mw) / 2;
          115 +                        y = (wa.height - mh) / 2;
          116 +                } else {
          117 +                        x = 0;
          118 +                        y = topbar ? 0 : wa.height - mh;
          119 +                        mw = wa.width;
          120 +                }
          121          }
          122          promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
          123          inputw = mw / 3; /* input width: ~33% of monitor width */
          124 @@ -733,6 +759,8 @@ main(int argc, char *argv[])
          125                          topbar = 0;
          126                  else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
          127                          fast = 1;
          128 +                else if (!strcmp(argv[i], "-c"))   /* centers dmenu on screen */
          129 +                        centered = 1;
          130                  else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
          131                          fstrncmp = strncasecmp;
          132                          fstrstr = cistrstr;
          133 -- 
          134 2.49.0
          135