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Initial bits of support for different layouts, needs more splitting out of
authorRyan McBride <mcbride@countersiege.com>
Thu, 15 Jan 2009 13:59:58 +0000 (13:59 +0000)
committerRyan McBride <mcbride@countersiege.com>
Thu, 15 Jan 2009 13:59:58 +0000 (13:59 +0000)
common code.
Use alt-c to cycle for now, will change to alt-space once I figure that out.

scrotwm.c

index 42da045..9ced019 100644 (file)
--- a/scrotwm.c
+++ b/scrotwm.c
@@ -78,7 +78,7 @@
 #ifdef SWM_DEBUG
 #define DPRINTF(x...)          do { if (swm_debug) fprintf(stderr, x); } while(0)
 #define DNPRINTF(n,x...)       do { if (swm_debug & n) fprintf(stderr, x); } while(0)
-#define        SWM_D_MISC              0x8001
+#define        SWM_D_MISC              0x0001
 #define        SWM_D_EVENT             0x0002
 #define        SWM_D_WS                0x0004
 #define        SWM_D_FOCUS             0x0008
@@ -134,6 +134,28 @@ char                               *spawn_term[] = { "xterm", NULL };
 char                           *spawn_menu[] = { "dmenu_run", NULL };
 char                           *spawn_scrotwm[] = { "scrotwm", NULL };
 
+/* layout manager data */
+void   stack(void);
+void   vertical_init(void);
+void   vertical_stack(void);
+void   horizontal_init(void);
+void   horizontal_stack(void);
+void   max_init(void);
+void   max_stack(void);
+
+struct layout {
+       void                    (*l_init)(void);        /* init/reset */
+       void                    (*l_stack)(void);       /* restack windows */
+} layouts[] =  {
+       /* init                 stack */
+       { vertical_init,        vertical_stack},
+       { horizontal_init,      horizontal_stack},
+       /* XXX not working yet
+        * { max_init,          max_stack},
+        */
+       { NULL,                 NULL},
+};
+
 struct ws_win {
        TAILQ_ENTRY(ws_win)     entry;
        Window                  id;
@@ -153,6 +175,7 @@ TAILQ_HEAD(ws_win_list, ws_win);
 struct workspace {
        int                     visible;        /* workspace visible */
        int                     restack;        /* restack on switch */
+       struct layout           *cur_layout;    /* current layout handlers */
        struct ws_win           *focus;         /* which win has focus */
        struct ws_win_list      winlist;        /* list of windows in ws */
 } ws[SWM_WS_MAX];
@@ -171,7 +194,6 @@ union arg {
 };
 
 
-void   stack(void);
 
 #define        SWM_CONF_WS     "\n= \t"
 #define SWM_CONF_FILE  "scrotwm.conf"
@@ -539,22 +561,47 @@ focus(union arg *args)
        XSync(display, False);
 }
 
-/* I know this sucks but it works well enough */
 void
-stack(void)
+cycle_layout(union arg *args)
+{
+       DNPRINTF(SWM_D_EVENT, "cycle_layout: workspace: %d\n", current_ws);
+
+       ws[current_ws].cur_layout++;
+       if (ws[current_ws].cur_layout->l_stack == NULL)
+               ws[current_ws].cur_layout = &layouts[0];
+       stack();
+}
+
+void
+stack(void) {
+       DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
+
+       ws[current_ws].restack = 0;
+
+       ws[current_ws].cur_layout->l_stack();
+
+       XSync(display, False);
+}
+
+void
+vertical_init(void)
 {
+       DNPRINTF(SWM_D_EVENT, "vertical_init: workspace: %d\n", current_ws);
+}
+
+/* I know this sucks but it works well enough */
+void
+vertical_stack(void) {
        XWindowChanges          wc;
        struct ws_win           wf, *win, *winfocus = &wf;
        int                     i, h, w, x, y, hrh, winno;
        int floater = 0;
        unsigned int mask;
 
-       DNPRINTF(SWM_D_EVENT, "stack: workspace: %d\n", current_ws);
+       DNPRINTF(SWM_D_EVENT, "vertical_stack: workspace: %d\n", current_ws);
 
        winfocus->id = root;
 
-       ws[current_ws].restack = 0;
-
        winno = count_win(current_ws, 0);
        if (winno == 0)
                return;
@@ -630,7 +677,152 @@ stack(void)
        }
 
        focus_win(winfocus); /* this has to be done outside of the loop */
-       XSync(display, False);
+}
+
+void
+horizontal_init(void)
+{
+       DNPRINTF(SWM_D_EVENT, "horizontal_init: workspace: %d\n", current_ws);
+}
+
+void
+horizontal_stack(void) {
+       XWindowChanges          wc;
+       struct ws_win           wf, *win, *winfocus = &wf;
+       int                     i, h, w, x, y, hrw, winno;
+       int floater = 0;
+       unsigned int mask;
+
+       DNPRINTF(SWM_D_EVENT, "horizontal_stack: workspace: %d\n", current_ws);
+
+       winfocus->id = root;
+
+       winno = count_win(current_ws, 0);
+       if (winno == 0)
+               return;
+
+       if (winno > 1)
+               h = height / 2;
+       else
+               h = height;
+
+       if (winno > 2)
+               hrw = width / (winno - 1);
+       else
+               hrw = 0;
+
+       x = 0;
+       y = bar_enabled ? bar_height : 0;
+       w = width;
+       i = 0;
+       TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
+               if (i == 1) {
+                       y += h + 2;
+                       h -= 2;
+               }
+               if (i != 0 && hrw != 0) {
+                       /* correct the last window for lost pixels */
+                       if (win == TAILQ_LAST(&ws[current_ws].winlist,
+                           ws_win_list)) {
+                               w = width - (i * hrw);
+                               if (w == 0)
+                                       w = hrw;
+                               else
+                                       w += hrw;
+                               x += hrw;
+                       } else {
+                               w = hrw - 2;
+                               /* leave first bottom window at x = 0 */
+                               if (i > 1)
+                                       x += w + 2;
+                       }
+               }
+
+               if (win->transient != 0 || win->floating != 0)
+                       floater = 1;
+               else
+                       floater = 0;
+
+               bzero(&wc, sizeof wc);
+               wc.border_width = 1;
+               if (floater == 0) {
+                       win->x = wc.x = x;
+                       win->y = wc.y = y;
+                       win->width = wc.width = w;
+                       win->height = wc.height = h;
+                       mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
+               } else {
+                       /* make sure we don't clobber the screen */
+                       if (win->wa.width > width)
+                               win->wa.width = width;
+                       if (win->wa.height > height)
+                               win->wa.width = height;
+                       win->x = wc.x = (width - win->wa.width) / 2;
+                       win->y = wc.y = (height - win->wa.height) / 2;
+                       mask = CWX | CWY | CWBorderWidth;
+               }
+               XConfigureWindow(display, win->id, mask, &wc);
+
+               if (win == ws[current_ws].focus)
+                       winfocus = win;
+               else
+                       unfocus_win(win);
+               XMapRaised(display, win->id);
+               i++;
+       }
+
+       focus_win(winfocus); /* this has to be done outside of the loop */
+}
+
+/* fullscreen view */
+void
+max_init(void)
+{
+       DNPRINTF(SWM_D_EVENT, "max_init: workspace: %d\n", current_ws);
+}
+
+void
+max_stack(void) {
+       XWindowChanges          wc;
+       struct ws_win           wf, *win, *winfocus = &wf;
+       int                     i, h, w, x, y, winno;
+       unsigned int mask;
+
+       DNPRINTF(SWM_D_EVENT, "max_stack: workspace: %d\n", current_ws);
+
+       winfocus->id = root;
+
+       winno = count_win(current_ws, 0);
+       if (winno == 0)
+               return;
+
+       x = 0;
+       y = bar_enabled ? bar_height : 0;
+       TAILQ_FOREACH (win, &ws[current_ws].winlist, entry) {
+               if (i == 1 && win->transient == 0 && win->floating != 0) {
+                       h = height - 2;
+                       w = width - 2;
+
+                       winfocus = win;
+
+                       bzero(&wc, sizeof wc);
+                       wc.border_width = 1;
+                       win->x = wc.x = x;
+                       win->y = wc.y = y;
+                       win->width = wc.width = w;
+                       win->height = wc.height = h;
+                       mask = CWX | CWY | CWWidth | CWHeight | CWBorderWidth;
+                       XConfigureWindow(display, win->id, mask, &wc);
+
+                       XMapRaised(display, win->id);
+               } else {
+                       /* hide all but the master window */
+                       XUnmapWindow(display, win->id);
+               }
+               i++;
+       }
+
+       focus_win(winfocus); /* this has to be done outside of the loop */
 }
 
 void
@@ -668,6 +860,8 @@ struct key {
        union arg               args;
 } keys[] = {
        /* modifier             key     function                argument */
+       /* XXX alt-c is temporary, until I figure out how to grab spacebar */
+       { MODKEY,               XK_c,           cycle_layout,   {0} }, 
        { MODKEY,               XK_Return,      swapwin,        {.id = SWM_ARG_ID_SWAPMAIN} },
        { MODKEY,               XK_j,           focus,          {.id = SWM_ARG_ID_FOCUSNEXT} },
        { MODKEY,               XK_k,           focus,          {.id = SWM_ARG_ID_FOCUSPREV} },
@@ -1074,16 +1268,16 @@ main(int argc, char *argv[])
        if (cfile)
                conf_load(cfile);
 
-       /* make work space 1 active */
-       ws[0].visible = 1;
-       ws[0].restack = 1;
-       TAILQ_INIT(&ws[0].winlist);
-       for (i = 1; i < SWM_WS_MAX; i++) {
+       /* init all workspaces */
+       for (i = 0; i < SWM_WS_MAX; i++) {
                ws[i].visible = 0;
                ws[i].restack = 1;
                ws[i].focus = NULL;
                TAILQ_INIT(&ws[i].winlist);
+               ws[i].cur_layout = &layouts[0];
        }
+       /* make work space 1 active */
+       ws[0].visible = 1;
 
        /* grab existing windows */
        if (XQueryTree(display, root, &d1, &d2, &wins, &num)) {