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index.md - sites - public wiki contents of suckless.org |
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git clone git://git.suckless.org/sites |
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index.md (1937B) |
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1 Remove application defaults from config.h |
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2 ========================================= |
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3 The rules array is initialized, by default, to treat windows of class `G… |
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4 and `Firefox` in a special way. If, like me, you don't want any applicat… |
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5 be treated in a special way, you must be careful when editing the rules … |
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6 initialization code. |
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7 |
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8 The original code describes what each value represents within the Rule |
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9 structure. |
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10 |
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11 static Rule rules[] = { |
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12 /* class instance title tags mask isfl… |
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13 { "Gimp", NULL, NULL, 0, True… |
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14 { "Firefox", NULL, NULL, 1 << 8, True… |
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15 }; |
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16 |
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17 For instance, Gimp and Firefox will be labeled as floating windows, even… |
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18 layout selected is Monocle or Tiled. In particular, the tag mask will at… |
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19 Firefox to tag '9'. |
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20 |
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21 If we don't want any window class to be treated in a special way, we nee… |
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22 initialize rules with at least one element: |
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23 |
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24 static Rule rules[] = { |
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25 /* class instance title tags mask isfl… |
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26 { NULL, NULL, NULL, 0, Fals… |
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27 }; |
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28 |
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29 The code in dwm.c will check that the `class` element is not NULL before… |
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30 matching is done. |
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31 |
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32 /* rule matching */ |
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33 XGetClassHint(dpy, c->win, &ch); |
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34 for(i = 0; i < LENGTH(rules); i++) { |
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35 r = &rules[i]; |
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36 if((!r->title || strstr(c->name, r->title)) |
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37 && (!r->class || (ch.res_class && strstr… |
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38 && (!r->instance || (ch.res_name && strs… |
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39 c->isfloating = r->isfloating; |
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40 c->tags |= r->tags & TAGMASK; |
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41 } |
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42 } |
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43 |
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44 This code assumes the rules array has at least one element, and that the… |
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45 rule that does not match will apply to all window classes. Therefore, th… |
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46 we just made, is the default rule for all new windows and therefore it is |
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47 important you set the `tags mask` and `isfloating` elements correctly. |
