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dwm-appicons-6.5.diff (8715B)


      1 From dbae98a1cf614908ff0075c5f4a3d4ad619f0519 Mon Sep 17 00:00:00 2001
      2 From: Rumen <rumenmitov@protonmail.com>
      3 Date: Mon, 6 Jan 2025 16:39:08 +0100
      4 Subject: [PATCH] appicons patch
      5 
      6 Adds support for app icons that can replace the tag indicator and tag name.
      7 ---
      8  config.def.h |  14 +++--
      9  dwm.c        | 142 +++++++++++++++++++++++++++++++++++++++++++++++++--
     10  2 files changed, 149 insertions(+), 7 deletions(-)
     11 
     12 diff --git a/config.def.h b/config.def.h
     13 index 9efa774..3045af6 100644
     14 --- a/config.def.h
     15 +++ b/config.def.h
     16 @@ -21,14 +21,22 @@ static const char *colors[][3]      = {
     17  /* tagging */
     18  static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
     19  
     20 +/* appicons */
     21 +/* NOTE: set to 0 to set to default (whitespace) */
     22 +static char outer_separator_beg      = '[';
     23 +static char outer_separator_end      = ']';
     24 +static char inner_separator          = ' ';
     25 +static unsigned truncate_icons_after = 2; /* will default to 1, that is the min */
     26 +static char truncate_symbol[]         = "...";
     27 +
     28  static const Rule rules[] = {
     29  	/* xprop(1):
     30  	 *	WM_CLASS(STRING) = instance, class
     31  	 *	WM_NAME(STRING) = title
     32  	 */
     33 -	/* class      instance    title       tags mask     isfloating   monitor */
     34 -	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
     35 -	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
     36 +	/* class      instance    title       tags mask     isfloating   monitor   appicon*/
     37 +	{ "Gimp",     NULL,       NULL,       0,            1,           -1,         NULL },
     38 +	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1,         "󰈹"  },
     39  };
     40  
     41  /* layout(s) */
     42 diff --git a/dwm.c b/dwm.c
     43 index 1443802..bad8815 100644
     44 --- a/dwm.c
     45 +++ b/dwm.c
     46 @@ -85,6 +85,7 @@ typedef struct Monitor Monitor;
     47  typedef struct Client Client;
     48  struct Client {
     49  	char name[256];
     50 +    char *appicon;
     51  	float mina, maxa;
     52  	int x, y, w, h;
     53  	int oldx, oldy, oldw, oldh;
     54 @@ -121,6 +122,7 @@ struct Monitor {
     55  	unsigned int seltags;
     56  	unsigned int sellt;
     57  	unsigned int tagset[2];
     58 +    char **tag_icons;
     59  	int showbar;
     60  	int topbar;
     61  	Client *clients;
     62 @@ -138,6 +140,7 @@ typedef struct {
     63  	unsigned int tags;
     64  	int isfloating;
     65  	int monitor;
     66 +    const char *appicon;
     67  } Rule;
     68  
     69  /* function declarations */
     70 @@ -160,6 +163,9 @@ static void destroynotify(XEvent *e);
     71  static void detach(Client *c);
     72  static void detachstack(Client *c);
     73  static Monitor *dirtomon(int dir);
     74 +static void remove_outer_separators(char **str);
     75 +static void appiconsappend(char **str, const char *appicon, size_t new_size);
     76 +static void applyappicon(char *tag_icons[], int *icons_per_tag, const Client *c);
     77  static void drawbar(Monitor *m);
     78  static void drawbars(void);
     79  static void enternotify(XEvent *e);
     80 @@ -283,7 +289,13 @@ applyrules(Client *c)
     81  	Monitor *m;
     82  	XClassHint ch = { NULL, NULL };
     83  
     84 +    outer_separator_beg = outer_separator_beg ? outer_separator_beg : ' ';
     85 +    outer_separator_end = outer_separator_end ? outer_separator_end : ' ';
     86 +    inner_separator = inner_separator ? inner_separator : ' ';
     87 +    truncate_icons_after = truncate_icons_after > 0 ? truncate_icons_after : 1;
     88 +
     89  	/* rule matching */
     90 +    c->appicon = NULL;
     91  	c->isfloating = 0;
     92  	c->tags = 0;
     93  	XGetClassHint(dpy, c->win, &ch);
     94 @@ -296,6 +308,8 @@ applyrules(Client *c)
     95  		&& (!r->class || strstr(class, r->class))
     96  		&& (!r->instance || strstr(instance, r->instance)))
     97  		{
     98 +            /* r->appicon is static, so lifetime is sufficient */
     99 +            c->appicon = (char*) r->appicon; 
    100  			c->isfloating = r->isfloating;
    101  			c->tags |= r->tags;
    102  			for (m = mons; m && m->num != r->monitor; m = m->next);
    103 @@ -433,7 +447,7 @@ buttonpress(XEvent *e)
    104  	if (ev->window == selmon->barwin) {
    105  		i = x = 0;
    106  		do
    107 -			x += TEXTW(tags[i]);
    108 +			x += TEXTW(m->tag_icons[i]);
    109  		while (ev->x >= x && ++i < LENGTH(tags));
    110  		if (i < LENGTH(tags)) {
    111  			click = ClkTagBar;
    112 @@ -508,6 +522,14 @@ cleanupmon(Monitor *mon)
    113  	}
    114  	XUnmapWindow(dpy, mon->barwin);
    115  	XDestroyWindow(dpy, mon->barwin);
    116 +
    117 +    for (int i = 0; i < LENGTH(tags); i++) {
    118 +        if (mon->tag_icons[i]) free(mon->tag_icons[i]);
    119 +        mon->tag_icons[i] = NULL;
    120 +    }
    121 +
    122 +    if (mon->tag_icons) free(mon->tag_icons);
    123 +
    124  	free(mon);
    125  }
    126  
    127 @@ -643,6 +665,13 @@ createmon(void)
    128  	m->lt[0] = &layouts[0];
    129  	m->lt[1] = &layouts[1 % LENGTH(layouts)];
    130  	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
    131 +
    132 +    m->tag_icons = (char**) malloc(LENGTH(tags) * sizeof(char*));
    133 +    if (m->tag_icons == NULL) perror("dwm: malloc()");
    134 +    for (int i = 0; i < LENGTH(tags); i++) {
    135 +        m->tag_icons[i] = NULL;
    136 +    }
    137 +
    138  	return m;
    139  }
    140  
    141 @@ -694,6 +723,96 @@ dirtomon(int dir)
    142  	return m;
    143  }
    144  
    145 +void
    146 +remove_outer_separators(char **str)
    147 +{
    148 +    size_t clean_tag_name_len = strlen(*str) - 2;
    149 +
    150 +    char *temp_tag_name = (char*) 
    151 +        malloc(clean_tag_name_len + 1);
    152 +
    153 +    if (temp_tag_name == NULL) perror("dwm: malloc()");
    154 +
    155 +    memset(temp_tag_name, 0, clean_tag_name_len + 1);
    156 +
    157 +    char *clean_tag_name_beg = *str + 1;
    158 +    strncpy(temp_tag_name, 
    159 +            clean_tag_name_beg, 
    160 +            clean_tag_name_len);
    161 +
    162 +    free(*str);
    163 +    *str = temp_tag_name;
    164 +}
    165 +
    166 +void
    167 +appiconsappend(char **str, const char *appicon, size_t new_size)
    168 +{
    169 +    char *temp_tag_name = (char*) malloc(new_size);
    170 +    if (temp_tag_name == NULL) perror("dwm: malloc()");
    171 +
    172 +    /* NOTE: Example format of temp_tag_name (with two appicons):
    173 +     *  <outer_sep_beg><appicon><inner_sep><appicon><outer_sep_end>
    174 +     */
    175 +    temp_tag_name = memset(temp_tag_name, 0, new_size);
    176 +
    177 +    temp_tag_name[0] = outer_separator_beg;
    178 +    temp_tag_name[new_size - 2] = outer_separator_end;
    179 +
    180 +    strncpy(temp_tag_name + 1, *str, strlen(*str));
    181 +    temp_tag_name[strlen(temp_tag_name)] = inner_separator;
    182 +
    183 +    strncpy(temp_tag_name + strlen(temp_tag_name),
    184 +            appicon, strlen(appicon));
    185 +
    186 +    free(*str);
    187 +    *str = temp_tag_name;
    188 +}
    189 +
    190 +void
    191 +applyappicon(char *tag_icons[], int *icons_per_tag, const Client *c)
    192 +{
    193 +    for (unsigned t = 1, i = 0;
    194 +            i < LENGTH(tags);
    195 +            t <<= 1, i++) 
    196 +    {
    197 +        if (c->tags & t) {
    198 +            if (icons_per_tag[i] == 0)
    199 +                strncpy(tag_icons[i], c->appicon, strlen(c->appicon) + 1);
    200 +
    201 +            else {
    202 +                char *icon = NULL;
    203 +                if (icons_per_tag[i] < truncate_icons_after)
    204 +                    icon = c->appicon;
    205 +                else if (icons_per_tag[i] == truncate_icons_after)
    206 +                    icon =  truncate_symbol;
    207 +                else {
    208 +                    icons_per_tag[i]++;
    209 +                    continue;
    210 +                }
    211 +                    
    212 +                /* remove outer separators from previous iterations
    213 +                 * otherwise they get applied recursively */
    214 +                if (icons_per_tag[i] > 1) {
    215 +                    remove_outer_separators(&tag_icons[i]);
    216 +                }
    217 +
    218 +                size_t outer_separators_size = 2;
    219 +                size_t inner_separator_size = 1;
    220 +
    221 +                size_t new_size = strlen(tag_icons[i])
    222 +                    + outer_separators_size 
    223 +                    + inner_separator_size
    224 +                    + strlen(icon)
    225 +                    + 1;
    226 +
    227 +                appiconsappend(&tag_icons[i], icon, new_size);
    228 +            }
    229 +
    230 +            icons_per_tag[i]++;
    231 +        }
    232 +    }
    233 +}
    234 +
    235  void
    236  drawbar(Monitor *m)
    237  {
    238 @@ -713,22 +832,37 @@ drawbar(Monitor *m)
    239  		drw_text(drw, m->ww - tw, 0, tw, bh, 0, stext, 0);
    240  	}
    241  
    242 +    int icons_per_tag[LENGTH(tags)];
    243 +    memset(icons_per_tag, 0, LENGTH(tags) * sizeof(int));
    244 +
    245 +    for (int i = 0; i < LENGTH(tags); i++) {
    246 +        if (m->tag_icons[i]) free(m->tag_icons[i]);
    247 +
    248 +        /* set each tag to default value */
    249 +        m->tag_icons[i] = strndup(tags[i], strlen(tags[i]));
    250 +    }
    251 +
    252  	for (c = m->clients; c; c = c->next) {
    253 +        if (c->appicon && strlen(c->appicon) > 0) {
    254 +            applyappicon(m->tag_icons, icons_per_tag, c);
    255 +        }
    256 +
    257  		occ |= c->tags;
    258  		if (c->isurgent)
    259  			urg |= c->tags;
    260  	}
    261  	x = 0;
    262  	for (i = 0; i < LENGTH(tags); i++) {
    263 -		w = TEXTW(tags[i]);
    264 +		w = TEXTW(m->tag_icons[i]);
    265  		drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
    266 -		drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
    267 -		if (occ & 1 << i)
    268 +		drw_text(drw, x, 0, w, bh, lrpad / 2, m->tag_icons[i], urg & 1 << i);
    269 +		if (occ & 1 << i && icons_per_tag[i] == 0)
    270  			drw_rect(drw, x + boxs, boxs, boxw, boxw,
    271  				m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
    272  				urg & 1 << i);
    273  		x += w;
    274  	}
    275 +
    276  	w = TEXTW(m->ltsymbol);
    277  	drw_setscheme(drw, scheme[SchemeNorm]);
    278  	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
    279 -- 
    280 2.47.1
    281