[zz]dwm的 'View last view' 补丁

completist

http://flash.metawaredesign.co.uk/4/
站点本身就是dwm化的，呵呵

打了补丁后，Alt-Tab即可切回原先的tag，很实用的
http://flash.metawaredesign.co.uk/files/dwm/dwm-3.8-viewlast.diff

1. 
   
2. diff -up dwm-3.8/config.default.h dwm-3.8-viewlast/config.default.h
   
3. --- dwm-3.8/config.default.h        2007-03-05 10:54:57.000000000 +0000
   
4. +++ dwm-3.8-viewlast/config.default.h        2007-03-05 19:10:20.000000000 +0000
   
5. @@ -53,6 +53,7 @@ static Key key[] = { \
   
6.         { MODKEY,                        XK_k,                focusclient,        "-1" }, \
   
7.         { MODKEY,                        XK_m,                togglemax,        NULL }, \
   
8.         { MODKEY,                        XK_Return,        zoom,                NULL }, \
   
9. +        { MODKEY,                        XK_Tab,        viewlast,                NULL }, \
   
10.         { MODKEY|ShiftMask,                XK_space,        togglefloating,        NULL }, \
    
11.         { MODKEY|ShiftMask,                XK_c,                killclient,        NULL }, \
    
12.         { MODKEY,                        XK_0,                view,                NULL }, \
    
13. diff -up dwm-3.8/dwm.h dwm-3.8-viewlast/dwm.h
    
14. --- dwm-3.8/dwm.h        2007-03-05 10:54:57.000000000 +0000
    
15. +++ dwm-3.8-viewlast/dwm.h        2007-03-05 19:10:20.000000000 +0000
    
16. @@ -87,6 +87,7 @@ unsigned int ntags, numlockmask;        /* numb
    
17. void (*handler[LASTEvent])(XEvent *);        /* event handler */
    
18. Atom wmatom[WMLast], netatom[NetLast];
    
19. Bool selscreen, *seltag;                /* seltag is array of Bool */
    
20. +unsigned int currenttag, lasttag;  /* The last tag viewed */
    
21. Client *clients, *sel, *stack;                /* global client list and stack */
    
22. Cursor cursor[CurLast];
    
23. DC dc;                                        /* global draw context */
    
24. @@ -139,6 +140,7 @@ void settags(Client *c, Client *trans);       
    
25. void tag(const char *arg);                /* tags c with arg's index */
    
26. void toggletag(const char *arg);                /* toggles c tags with arg's index */
    
27. void toggleview(const char *arg);        /* toggles the tag with arg's index (in)visible */
    
28. +void viewlast(void);     /* views the last viewed tag */
    
29. void view(const char *arg);                /* views the tag with arg's index */
    
30. 
    
31. /* util.c */
    
32. diff -up dwm-3.8/main.c dwm-3.8-viewlast/main.c
    
33. --- dwm-3.8/main.c        2007-03-05 10:54:57.000000000 +0000
    
34. +++ dwm-3.8-viewlast/main.c        2007-03-05 19:10:20.000000000 +0000
    
35. @@ -20,6 +20,7 @@
    
36. char stext[256];
    
37. int screen, sx, sy, sw, sh, wax, way, waw, wah;
    
38. unsigned int bh, ntags, numlockmask;
    
39. +unsigned int currenttag, lasttag;
    
40. Atom wmatom[WMLast], netatom[NetLast];
    
41. Bool *seltag;
    
42. Bool selscreen = True;
    
43. @@ -185,6 +186,8 @@ setup(void) {
    
44.         sw = DisplayWidth(dpy, screen);
    
45.         sh = DisplayHeight(dpy, screen);
    
46.         initlayouts();
    
47. +  currenttag = 0;
    
48. +  lasttag = 0;
    
49.         /* bar */
    
50.         dc.h = bh = dc.font.height + 2;
    
51.         wa.override_redirect = 1;
    
52. diff -up dwm-3.8/tag.c dwm-3.8-viewlast/tag.c
    
53. --- dwm-3.8/tag.c        2007-03-05 10:54:57.000000000 +0000
    
54. +++ dwm-3.8-viewlast/tag.c        2007-03-05 19:11:32.000000000 +0000
    
55. @@ -142,13 +142,27 @@ toggleview(const char *arg) {
    
56. }
    
57. 
    
58. void
    
59. +viewlast(void) {
    
60. +  char buf[32];
    
61. +  snprintf(buf, sizeof buf, "%d", lasttag);
    
62. +  view(buf);
    
63. +  lt->arrange();
    
64. +}
    
65. +
    
66. +void
    
67. view(const char *arg) {
    
68.         int i;
    
69. 
    
70.         for(i = 0; i < ntags; i++)
    
71.                 seltag[i] = arg == NULL;
    
72.         i = arg ? atoi(arg) : 0;
    
73. -        if(i >= 0 && i < ntags)
    
74. +        if(i >= 0 && i < ntags) {
    
75.                 seltag[i] = True;
    
76. +
    
77. +    if (currenttag != i) {
    
78. +      lasttag = currenttag;
    
79. +      currenttag = i;
    
80. +    }
    
81. +  }
    
82.         lt->arrange();
    
83. }
    

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