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Collapse focus and unfocus and brute force unfocs. This way we don't lose
[spectrwm.git] / scrotwm.c
index 9f3d694..714224d 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -61,6 +61,7 @@
 #include <string.h>
 #include <util.h>
 #include <pwd.h>
+#include <ctype.h>
 
 #include <sys/types.h>
 #include <sys/time.h>
@@ -88,6 +89,7 @@
 #endif
 #endif
 
+#define SWM_DEBUG
 /* #define SWM_DEBUG */
 #ifdef SWM_DEBUG
 #define DPRINTF(x...)          do { if (swm_debug) fprintf(stderr, x); } while(0)
@@ -131,6 +133,9 @@ int                 ignore_enter = 0;
 unsigned int           numlockmask = 0;
 Display                        *display;
 
+int                    cycle_empty = 0;
+int                    cycle_visible = 0;
+
 /* dialog windows */
 double                 dialog_ratio = .6;
 /* status bar */
@@ -178,7 +183,7 @@ struct ws_win {
        TAILQ_ENTRY(ws_win)     entry;
        Window                  id;
        struct swm_geometry     g;
-       int                     focus;
+       int                     got_focus;
        int                     floating;
        int                     transient;
        struct workspace        *ws;    /* always valid */
@@ -242,7 +247,6 @@ struct swm_screen {
        unsigned long           bar_font_color;
        unsigned long           color_focus;            /* XXX should this be per ws? */
        unsigned long           color_unfocus;
-       char                    bar_text[SWM_BAR_MAX];
 };
 struct swm_screen      *screens;
 int                    num_screens;
@@ -265,6 +269,8 @@ union arg {
 #define SWM_ARG_ID_MASTERDEL   (9)
 #define SWM_ARG_ID_STACKRESET  (10)
 #define SWM_ARG_ID_STACKINIT   (11)
+#define SWM_ARG_ID_CYCLEWS_UP  (12)
+#define SWM_ARG_ID_CYCLEWS_DOWN        (13)
        char                    **argv;
 };
 
@@ -293,6 +299,32 @@ name_to_color(char *colorname)
        return (result);
 }
 
+int
+varmatch(char *var, char *name, int *index)
+{
+       char                    *p, buf[5];
+       int                     i;
+
+       i = strncmp(var, name, 255);
+       if (index == NULL)
+               return (i);
+
+       *index = -1;
+       if (i <= 0)
+               return (i);
+       p = var + strlen(name);
+       if (*p++ != '[')
+               return (i);
+       bzero(buf, sizeof buf);
+       i = 0;
+       while (isdigit(*p) && i < sizeof buf)
+               buf[i++] = *p++;
+       if (i == 0 || i >= sizeof buf || *p != ']')
+               return (1);
+       *index = strtonum(buf, 0, 99, NULL);
+       return (0);
+}
+
 /* conf file stuff */
 #define        SWM_CONF_WS     "\n= \t"
 #define SWM_CONF_FILE  "scrotwm.conf"
@@ -302,7 +334,7 @@ conf_load(char *filename)
        FILE                    *config;
        char                    *line, *cp, *var, *val;
        size_t                  len, lineno = 0;
-       int                     i;
+       int                     i, sc;
 
        DNPRINTF(SWM_D_MISC, "conf_load: filename %s\n", filename);
 
@@ -312,7 +344,7 @@ conf_load(char *filename)
        if ((config = fopen(filename, "r")) == NULL)
                return (1);
 
-       for (;;) {
+       for (sc = ScreenCount(display);;) {
                if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL)
                        if (feof(config))
                                break;
@@ -334,18 +366,37 @@ conf_load(char *filename)
                case 'b':
                        if (!strncmp(var, "bar_enabled", strlen("bar_enabled")))
                                bar_enabled = atoi(val);
-                       else if (!strncmp(var, "bar_border",
-                           strlen("bar_border")))
-                               for (i = 0; i < ScreenCount(display); i++)
-                                       screens[i].bar_border = name_to_color(val);
-                       else if (!strncmp(var, "bar_color",
-                           strlen("bar_color")))
-                               for (i = 0; i < ScreenCount(display); i++)
-                                       screens[i].bar_color = name_to_color(val);
-                       else if (!strncmp(var, "bar_font_color",
-                           strlen("bar_font_color")))
-                               for (i = 0; i < ScreenCount(display); i++)
-                                       screens[i].bar_font_color = name_to_color(val);
+                       else if (!varmatch(var, "bar_border", &i))
+                               if (i > 0 && i <= sc)
+                                       screens[i - 1].bar_border =
+                                           name_to_color(val);
+                               else if (i == -1)
+                                       for (i = 0; i < sc; i++)
+                                               screens[i].bar_border =
+                                                   name_to_color(val);
+                                else
+                                       goto badidx;
+                       else if (!varmatch(var, "bar_color", &i))
+                               if (i > 0 && i <= sc)
+                                       screens[i - 1].bar_color =
+                                           name_to_color(val);
+                               else if (i == -1)
+                                       for (i = 0; i < sc; i++)
+                                               screens[i].bar_color =
+                                                   name_to_color(val);
+                               else
+                                       goto badidx;
+                       else if (!varmatch(var, "bar_font_color", &i))
+                               if (i > 0 && i <= sc)
+                                       screens[i - 1].bar_font_color =
+                                               name_to_color(val);
+                               else if (i == -1)
+                                       for (i = 0; i < sc; i++)
+                                               screens[i].bar_font_color =
+                                                   name_to_color(val);
+                               else
+                                       goto badidx;
+
                        else if (!strncmp(var, "bar_font", strlen("bar_font")))
                                asprintf(&bar_fonts[0], "%s", val);
                        else
@@ -353,13 +404,30 @@ conf_load(char *filename)
                        break;
 
                case 'c':
-                       if (!strncmp(var, "color_focus", strlen("color_focus")))
-                               for (i = 0; i < ScreenCount(display); i++)
-                                       screens[i].color_focus = name_to_color(val);
-                       else if (!strncmp(var, "color_unfocus",
-                           strlen("color_unfocus")))
-                               for (i = 0; i < ScreenCount(display); i++)
-                                       screens[i].color_unfocus = name_to_color(val);
+                       if (!varmatch(var, "color_focus", &i))
+                               if (i > 0 && i <= sc)
+                                       screens[i - 1].color_focus =
+                                           name_to_color(val);
+                               else if (i == -1)
+                                       for (i = 0; i < sc; i++)
+                                               screens[i].color_focus =
+                                                   name_to_color(val);
+                               else
+                                       goto badidx;
+                       else if (!varmatch(var, "color_unfocus", &i))
+                               if (i > 0 && i <= sc)
+                                       screens[i - 1].color_unfocus =
+                                           name_to_color(val);
+                               else if (i == -1)
+                                       for (i = 0; i < sc; i++)
+                                               screens[i].color_unfocus =
+                                                   name_to_color(val);
+                               else
+                                       goto badidx;
+                       else if (!strncmp(var, "cycle_empty", strlen("cycle_empty")))
+                               cycle_visible = atoi(val);
+                       else if (!strncmp(var, "cycle_visible", strlen("cycle_visible")))
+                               cycle_visible = atoi(val);
                        else
                                goto bad;
                        break;
@@ -388,21 +456,17 @@ conf_load(char *filename)
        return (0);
 bad:
        errx(1, "invalid conf file entry: %s=%s", var, val);
+badidx:
+       errx(1, "invalid screen index: %s out of bounds", var);
 }
 
 void
-bar_print(struct swm_region *r, char *s, int erase)
+bar_print(struct swm_region *r, char *s)
 {
-       if (erase) {
-               XSetForeground(display, bar_gc, r->s->bar_color);
-               XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent,
-                   r->s->bar_text, strlen(r->s->bar_text));
-       }
-
-       strlcpy(r->s->bar_text, s, sizeof r->s->bar_text);
+       XClearWindow(display, r->bar_window);
        XSetForeground(display, bar_gc, r->s->bar_font_color);
-       XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent,
-           r->s->bar_text, strlen(r->s->bar_text));
+       XDrawString(display, r->bar_window, bar_gc, 4, bar_fs->ascent, s,
+           strlen(s));
 }
 
 void
@@ -426,7 +490,7 @@ bar_update(void)
                TAILQ_FOREACH(r, &screens[i].rl, entry) {
                        snprintf(e, sizeof e, "%s     %d:%d",
                            s, x++, r->ws->idx + 1);
-                       bar_print(r, e, 1);
+                       bar_print(r, e);
                }
        }
        XSync(display, False);
@@ -443,28 +507,28 @@ void
 bar_toggle(struct swm_region *r, union arg *args)
 {
        struct swm_region       *tmpr;
-       int                     i, j;   
+       int                     i, j, sc = ScreenCount(display);
 
        DNPRINTF(SWM_D_MISC, "bar_toggle\n");
 
        if (bar_enabled) {
-               for (i = 0; i < ScreenCount(display); i++)
+               for (i = 0; i < sc; i++)
                        TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
                                XUnmapWindow(display, tmpr->bar_window);
        } else {
-               for (i = 0; i < ScreenCount(display); i++)
+               for (i = 0; i < sc; i++)
                        TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
                                XMapRaised(display, tmpr->bar_window);
        }
        bar_enabled = !bar_enabled;
        XSync(display, False);
-       for (i = 0; i < ScreenCount(display); i++)
+       for (i = 0; i < sc; i++)
                for (j = 0; j < SWM_WS_MAX; j++)
                        screens[i].ws[j].restack = 1;
 
        stack();
        /* must be after stack */
-       for (i = 0; i < ScreenCount(display); i++)
+       for (i = 0; i < sc; i++)
                TAILQ_FOREACH(tmpr, &screens[i].rl, entry)
                        bar_update();
 }
@@ -499,6 +563,24 @@ bar_setup(struct swm_region *r)
 }
 
 void
+bar_refresh(void)
+{
+       XSetWindowAttributes    wa;
+       struct swm_region       *r;
+       int                     i;
+
+       bzero(&wa, sizeof wa);
+       for (i = 0; i < ScreenCount(display); i++)
+               TAILQ_FOREACH(r, &screens[i].rl, entry) {
+                       wa.border_pixel = screens[i].bar_border;
+                       wa.background_pixel = screens[i].bar_color;
+                       XChangeWindowAttributes(display, r->bar_window,
+                           CWBackPixel | CWBorderPixel, &wa);
+               }
+       bar_update();
+}
+
+void
 config_win(struct ws_win *win)
 {
        XConfigureEvent         ce;
@@ -631,36 +713,43 @@ spawn(struct swm_region *r, union arg *args)
 }
 
 void
-unfocus_win(struct ws_win *win)
+unfocus_all(void)
 {
-       DNPRINTF(SWM_D_FOCUS, "unfocus_win: id: %lu\n", win->id);
-       if (win->ws->r && win->focus)
-               XSetWindowBorder(display, win->id,
-                   win->ws->r->s->color_unfocus);
-       win->focus = 0;
-       if (win->ws->focus == win)
-               win->ws->focus = NULL;
-       if (cur_focus == win)
-               cur_focus = NULL;
-}
+       struct ws_win           *win;
+       int                     i, j;
+
+       DNPRINTF(SWM_D_FOCUS, "unfocus_all:\n");
 
+       for (i = 0; i < ScreenCount(display); i++)
+               for (j = 0; j < SWM_WS_MAX; j++)
+                       TAILQ_FOREACH(win, &screens[i].ws[j].winlist, entry) {
+                               if (win->ws->r == NULL)
+                                       continue;
+                               XSetWindowBorder(display, win->id,
+                                   win->ws->r->s->color_unfocus);
+                               win->got_focus = 0;
+                               win->ws->focus = NULL;
+                               cur_focus = NULL;
+                       }
+}
 
 void
 focus_win(struct ws_win *win)
 {
-       DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win->id);
+       DNPRINTF(SWM_D_FOCUS, "focus_win: id: %lu\n", win ? win->id : 0);
 
-       rootclick = 0;
+       if (win == NULL)
+               return;
 
+       rootclick = 0;
+       unfocus_all();
        win->ws->focus = win;
        if (win->ws->r != NULL) {
-               if (cur_focus && cur_focus != win)
-                       unfocus_win(cur_focus);
                cur_focus = win;
-               if (!win->focus)
+               if (!win->got_focus)
                        XSetWindowBorder(display, win->id,
                            win->ws->r->s->color_focus);
-               win->focus = 1;
+               win->got_focus = 1;
                XSetInputFocus(display, win->id,
                    RevertToPointerRoot, CurrentTime);
        }
@@ -713,6 +802,45 @@ switchws(struct swm_region *r, union arg *args)
 }
 
 void
+cyclews(struct swm_region *r, union arg *args)
+{
+       union                   arg a;
+       struct swm_screen       *s = r->s;
+
+       DNPRINTF(SWM_D_WS, "cyclews id %d "
+           "in screen %d region %dx%d+%d+%d ws %d\n", args->id,
+           r->s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r), r->ws->idx);
+
+       a.id = r->ws->idx;
+
+       do {
+               switch (args->id) {
+               case SWM_ARG_ID_CYCLEWS_UP:
+                       if (a.id < SWM_WS_MAX - 1)
+                               a.id++;
+                       else
+                               a.id = 0;
+                       break;
+               case SWM_ARG_ID_CYCLEWS_DOWN:
+                       if (a.id > 0)
+                               a.id--;
+                       else
+                               a.id = SWM_WS_MAX - 1;
+                       break;
+               default:
+                       return;
+               };
+
+               if (cycle_empty == 0 && TAILQ_EMPTY(&s->ws[a.id].winlist))
+                       continue;
+               if (cycle_visible == 0 && s->ws[a.id].r != NULL)
+                       continue;
+
+               switchws(r, &a);
+       } while (a.id != r->ws->idx);
+}
+
+void
 swapwin(struct swm_region *r, union arg *args)
 {
        struct ws_win           *target;
@@ -1209,6 +1337,8 @@ struct key {
        { MODKEY,               XK_8,           switchws,       {.id = 7} },
        { MODKEY,               XK_9,           switchws,       {.id = 8} },
        { MODKEY,               XK_0,           switchws,       {.id = 9} },
+       { MODKEY,               XK_Right,       cyclews,        {.id = SWM_ARG_ID_CYCLEWS_UP} }, 
+       { MODKEY,               XK_Left,        cyclews,        {.id = SWM_ARG_ID_CYCLEWS_DOWN} }, 
        { MODKEY | ShiftMask,   XK_1,           send_to_ws,     {.id = 0} },
        { MODKEY | ShiftMask,   XK_2,           send_to_ws,     {.id = 1} },
        { MODKEY | ShiftMask,   XK_3,           send_to_ws,     {.id = 2} },
@@ -1463,11 +1593,12 @@ destroynotify(XEvent *e)
 {
        struct ws_win           *win;
        XDestroyWindowEvent     *ev = &e->xdestroywindow;
+       struct workspace        *ws;
 
        DNPRINTF(SWM_D_EVENT, "destroynotify: window %lu\n", ev->window);
 
        if ((win = find_window(ev->window)) != NULL) {
-               struct workspace *ws = win->ws;
+               ws = win->ws;
                /* find a window to focus */
                if (ws->focus == win)
                        ws->focus = TAILQ_PREV(win, ws_win_list, entry);
@@ -1475,12 +1606,8 @@ destroynotify(XEvent *e)
                        ws->focus = TAILQ_FIRST(&ws->winlist);
                if (ws->focus == win)
                        ws->focus = NULL;
-               if (cur_focus == win) {
-                       if (ws->focus == NULL) 
-                               unfocus_win(win); /* XXX focus another ws? */
-                       else
-                               focus_win(ws->focus);
-               }
+               if (cur_focus == win)
+                       focus_win(ws->focus);
 
                TAILQ_REMOVE(&ws->winlist, win, entry);
                set_win_state(win, WithdrawnState);
@@ -1852,6 +1979,8 @@ main(int argc, char *argv[])
        if (pwd == NULL)
                errx(1, "invalid user %d", getuid());
 
+       setup_screens();
+
        snprintf(conf, sizeof conf, "%s/.%s", pwd->pw_dir, SWM_CONF_FILE);
        if (stat(conf, &sb) != -1) {
                if (S_ISREG(sb.st_mode))
@@ -1863,12 +1992,9 @@ main(int argc, char *argv[])
                        if (S_ISREG(sb.st_mode))
                                cfile = conf;
        }
-
-       setup_screens();
-
        if (cfile)
                conf_load(cfile);
-
+       bar_refresh();
 
        /* ws[0].focus = TAILQ_FIRST(&ws[0].winlist); */