cwm/group.c

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C
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2007-04-27 21:58:48 +04:00
/*
* calmwm - the calm window manager
*
* Copyright (c) 2004 Andy Adamson <dros@monkey.org>
* Copyright (c) 2004,2005 Marius Aamodt Eriksen <marius@monkey.org>
* All rights reserved.
*
* $Id$
*/
#include "headers.h"
#include "calmwm.h"
#define CALMWM_NGROUPS 9
int G_groupmode = 0;
int G_groupnamemode = 0;
struct group_ctx *G_group_active = NULL;
struct group_ctx *G_group_current = NULL;
struct group_ctx G_groups[CALMWM_NGROUPS];
char G_group_name[256];
int G_groupfocusset = 0;
Window G_groupfocuswin;
int G_groupfocusrevert;
int G_grouphideall = 0;
struct group_ctx_q G_groupq;
#define GroupMask (KeyPressMask|ExposureMask)
static char *shortcut_to_name[] = {
"XXX", "one", "two", "three",
"four", "five", "six", "seven",
"eight", "nine",
};
static void
_group_add(struct group_ctx *gc, struct client_ctx *cc)
{
if (cc == NULL || gc == NULL)
errx(1, "_group_add: a ctx is NULL");
if (cc->group == gc)
return;
if (cc->group != NULL)
TAILQ_REMOVE(&cc->group->clients, cc, group_entry);
TAILQ_INSERT_TAIL(&gc->clients, cc, group_entry);
cc->group = gc;
cc->groupcommit = 0;
}
static void
_group_remove(struct client_ctx *cc)
{
if (cc == NULL || cc->group == NULL)
errx(1, "_group_remove: a ctx is NULL");
TAILQ_REMOVE(&cc->group->clients, cc, group_entry);
cc->group = NULL;
cc->groupcommit = 0;
cc->highlight = 0;
client_draw_border(cc);
}
static void
_group_commit(struct group_ctx *gc)
{
struct client_ctx *cc;
if (gc == NULL)
errx(1, "_group_commit: ctx is null");
TAILQ_FOREACH(cc, &gc->clients, group_entry)
cc->groupcommit = 1;
}
static void
_group_purge(struct group_ctx *gc)
{
struct client_ctx *cc;
if (gc == NULL)
errx(1, "_group_commit: ctx is null");
TAILQ_FOREACH(cc, &gc->clients, group_entry)
if (cc->groupcommit == 0)
_group_remove(cc);
}
static void
_group_hide(struct group_ctx *gc)
{
struct client_ctx *cc;
screen_updatestackingorder();
gc->nhidden = 0;
gc->highstack = 0;
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
client_hide(cc);
gc->nhidden++;
if (cc->stackingorder > gc->highstack)
gc->highstack = cc->stackingorder;
}
gc->hidden = 1; /* XXX: equivalent to gc->nhidden > 0 */
}
static void
_group_show(struct group_ctx *gc)
{
struct client_ctx *cc;
Window *winlist;
u_int i;
int lastempty = -1;
winlist = (Window *) xcalloc(sizeof(*winlist) * (gc->highstack + 1));
/*
* Invert the stacking order as XRestackWindows() expects them
* top-to-bottom.
*/
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
winlist[gc->highstack - cc->stackingorder] = cc->pwin;
client_unhide(cc);
}
/* Un-sparseify */
for (i = 0; i <= gc->highstack; i++) {
if (!winlist[i] && lastempty == -1)
lastempty = i;
else if (winlist[i] && lastempty != -1) {
winlist[lastempty] = winlist[i];
if (++lastempty == i)
lastempty = -1;
}
}
XRestackWindows(G_dpy, winlist, gc->nhidden);
xfree(winlist);
gc->hidden = 0;
G_group_active = gc;
}
static void
_group_destroy(struct group_ctx *gc)
{
struct client_ctx *cc;
if (gc->name != NULL) {
xfree(gc->name);
gc->name = NULL;
}
while ((cc = TAILQ_FIRST(&gc->clients)) != NULL) {
TAILQ_REMOVE(&gc->clients, cc, group_entry);
cc->group = NULL;
cc->groupcommit = 0;
cc->highlight = 0;
client_draw_border(cc);
}
}
void
group_init(void)
{
int i;
TAILQ_INIT(&G_groupq);
for (i = 0; i < CALMWM_NGROUPS; i++) {
TAILQ_INIT(&G_groups[i].clients);
G_groups[i].hidden = 0;
G_groups[i].shortcut = i + 1;
TAILQ_INSERT_TAIL(&G_groupq, &G_groups[i], entry);
}
G_group_current = G_group_active = &G_groups[0];
}
/*
* manipulate the 'current group'
*/
#if 0
/* set current group to the first empty group
* returns 0 on success, -1 if there are no empty groups
*/
int
group_new(void)
{
int i;
for (i=0; i < CALMWM_NGROUPS; i++) {
if (TAILQ_EMPTY(&G_groups[i].clients)) {
G_group_current = &G_groups[i];
return (0);
}
}
return (-1);
}
#endif
/* change the current group */
int
group_select(int idx)
{
struct group_ctx *gc = G_group_current;
struct client_ctx *cc;
if (idx < 0 || idx >= CALMWM_NGROUPS)
return (-1);
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
cc->highlight = 0;
client_draw_border(cc);
}
_group_commit(gc);
G_group_current = &G_groups[idx];
group_display_draw(screen_current());
return (0);
}
/* enter group mode */
void
group_enter(void)
{
if (G_groupmode != 0)
errx(1, "group_enter called twice");
if (G_group_current == NULL)
G_group_current = &G_groups[0];
/* setup input buffer */
G_group_name[0] = '\0';
G_groupmode = 1;
group_display_init(screen_current());
group_display_draw(screen_current());
}
/* exit group mode */
void
group_exit(int commit)
{
struct group_ctx *gc = G_group_current;
struct client_ctx *cc;
if (G_groupmode != 1)
errx(1, "group_exit called twice");
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
cc->highlight = 0;
client_draw_border(cc);
}
if (commit) {
_group_commit(gc);
} else {
/* abort */
_group_purge(gc);
if (!TAILQ_EMPTY(&gc->clients))
_group_destroy(gc);
}
XUnmapWindow(G_dpy, screen_current()->groupwin);
if (G_groupnamemode) {
XSetInputFocus(G_dpy, G_groupfocuswin, G_groupfocusrevert,
CurrentTime);
G_groupfocusset = 0;
}
G_groupmode = G_groupnamemode = 0;
}
void
group_click(struct client_ctx *cc)
{
struct group_ctx *gc = G_group_current;
if (gc == cc->group)
_group_remove(cc);
else
_group_add(gc, cc);
group_display_draw(screen_current());
}
/* Used to add a newly mapped window to the active group */
void
group_sticky(struct client_ctx *cc)
{
_group_add(G_group_active, cc);
}
void
group_sticky_toggle_enter(struct client_ctx *cc)
{
struct group_ctx *gc = G_group_active;
if (gc == cc->group) {
_group_remove(cc);
cc->highlight = CLIENT_HIGHLIGHT_RED;
} else {
_group_add(gc, cc);
cc->highlight = CLIENT_HIGHLIGHT_BLUE;
}
client_draw_border(cc);
}
void
group_sticky_toggle_exit(struct client_ctx *cc)
{
cc->highlight = 0;
client_draw_border(cc);
}
/*
* selection list display
*/
void
group_display_init(struct screen_ctx *sc)
{
sc->groupwin = XCreateSimpleWindow(G_dpy, sc->rootwin, 0, 0,
1, 1, 1, sc->blackpixl, sc->whitepixl);
}
void
group_display_draw(struct screen_ctx *sc)
{
struct group_ctx *gc = G_group_current;
int x, y, dx, dy, fontheight, titlelen;
struct client_ctx *cc;
char titlebuf[1024];
struct fontdesc *font = DefaultFont;
snprintf(titlebuf, sizeof(titlebuf), "Editing group %d", gc->shortcut);
x = y = 0;
fontheight = font_ascent(font) + font_descent(font) + 1;
dx = titlelen = font_width(font, titlebuf, strlen(titlebuf));
dy = fontheight;
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
cc->highlight = CLIENT_HIGHLIGHT_BLUE;
client_draw_border(cc);
}
XMoveResizeWindow(G_dpy, sc->groupwin, x, y, dx, dy);
/* XXX */
XSelectInput(G_dpy, sc->groupwin, GroupMask);
XMapRaised(G_dpy, sc->groupwin);
XClearWindow(G_dpy, sc->groupwin);
font_draw(font, titlebuf, strlen(titlebuf), sc->groupwin,
0, font_ascent(font) + 1);
}
void
group_display_keypress(KeyCode k)
{
struct group_ctx * gc = G_group_current;
char chr;
enum ctltype ctl;
int len;
if (!G_groupnamemode)
return;
if (input_keycodetrans(k, 0, &ctl, &chr, 1) < 0)
goto out;
switch (ctl) {
case CTL_ERASEONE:
if ((len = strlen(G_group_name)) > 0)
G_group_name[len - 1] = '\0';
break;
case CTL_RETURN:
if (gc->name != NULL)
xfree(gc->name);
gc->name = xstrdup(G_group_name);
group_exit(1);
return;
default:
break;
}
if (chr != '\0')
snprintf(G_group_name, sizeof(G_group_name), "%s%c",
G_group_name, chr);
out:
group_display_draw(screen_current());
}
/* if group_hidetoggle would produce no effect, toggle the group's hidden state
*/
void
_group_fix_hidden_state(struct group_ctx *gc)
{
struct client_ctx *cc;
int same = 0;
TAILQ_FOREACH(cc, &gc->clients, group_entry) {
if (gc->hidden == ((cc->flags & CLIENT_HIDDEN) ? 1 : 0))
same++;
}
if (same == 0)
gc->hidden = !gc->hidden;
}
void
group_hidetoggle(int idx)
{
struct group_ctx *gc;
#ifdef notyet
char buf[128];
#endif
if (idx < 0 || idx >= CALMWM_NGROUPS)
err(1, "group_hidetoggle: index out of range (%d)", idx);
gc = &G_groups[idx];
_group_fix_hidden_state(gc);
if (gc->hidden)
_group_show(gc);
else {
_group_hide(gc);
if (TAILQ_EMPTY(&gc->clients))
G_group_active = gc;
}
#ifdef notyet
snprintf(buf, sizeof(buf), "Group %d", idx + 1);
screen_infomsg(buf);
#endif
}
#define GROUP_NEXT(gc, fwd) (fwd) ? \
TAILQ_NEXT(gc, entry) : TAILQ_PREV(gc, group_ctx_q, entry)
/*
* Jump to the next/previous active group. If none exist, then just
* stay put.
*/
void
group_slide(int fwd)
{
struct group_ctx *gc, *showgroup = NULL;
assert(G_group_active != NULL);
gc = G_group_active;
for (;;) {
gc = GROUP_NEXT(gc, fwd);
if (gc == NULL)
gc = fwd ? TAILQ_FIRST(&G_groupq) :
TAILQ_LAST(&G_groupq, group_ctx_q);
if (gc == G_group_active)
break;
if (!TAILQ_EMPTY(&gc->clients) && showgroup == NULL)
showgroup = gc;
else if (!gc->hidden)
_group_hide(gc);
}
if (showgroup == NULL)
return;
_group_hide(G_group_active);
if (showgroup->hidden)
_group_show(showgroup);
else
G_group_active = showgroup;
}
/* called when a client is deleted */
void
group_client_delete(struct client_ctx *cc)
{
if (cc->group == NULL)
return;
TAILQ_REMOVE(&cc->group->clients, cc, group_entry);
cc->group = NULL; /* he he */
cc->groupcommit = 0;
}
void
group_menu(XButtonEvent *e)
{
struct menu_q menuq;
struct menu *mi;
int i;
struct group_ctx *gc;
TAILQ_INIT(&menuq);
for (i = 0; i < CALMWM_NGROUPS; i++) {
gc = &G_groups[i];
if (TAILQ_EMPTY(&gc->clients))
continue;
if (gc->name == NULL)
gc->name = xstrdup(shortcut_to_name[gc->shortcut]);
XCALLOC(mi, struct menu);
if (gc->hidden)
snprintf(mi->text, sizeof(mi->text), "%d: [%s]",
gc->shortcut, gc->name);
else
snprintf(mi->text, sizeof(mi->text), "%d: %s",
gc->shortcut, gc->name);
mi->ctx = gc;
TAILQ_INSERT_TAIL(&menuq, mi, entry);
}
if (TAILQ_EMPTY(&menuq))
return;
mi = (struct menu *)grab_menu(e, &menuq);
if (mi == NULL || mi->ctx == NULL)
goto cleanup;
gc = (struct group_ctx *)mi->ctx;
if (gc->hidden)
_group_show(gc);
else
_group_hide(gc);
cleanup:
while ((mi = TAILQ_FIRST(&menuq)) != NULL) {
TAILQ_REMOVE(&menuq, mi, entry);
xfree(mi);
}
}
void
group_namemode(void)
{
G_groupnamemode = 1;
group_display_draw(screen_current());
}
void
group_alltoggle(void)
{
int i;
for (i=0; i < CALMWM_NGROUPS; i++) {
if (G_grouphideall)
_group_show(&G_groups[i]);
else
_group_hide(&G_groups[i]);
}
if (G_grouphideall)
G_grouphideall = 0;
else
G_grouphideall = 1;
}
void
group_deletecurrent(void)
{
_group_destroy(G_group_current);
XUnmapWindow(G_dpy, screen_current()->groupwin);
G_groupmode = G_groupnamemode = 0;
}
void
group_done(void)
{
struct group_ctx *gc = G_group_current;
if (gc->name != NULL)
xfree(gc->name);
gc->name = xstrdup(shortcut_to_name[gc->shortcut]);
group_exit(1);
}
void
group_autogroup(struct client_ctx *cc)
{
struct autogroupwin *aw;
struct group_ctx *gc;
char group[CALMWM_MAXNAMELEN];
if (cc->app_class == NULL || cc->app_name == NULL)
return;
TAILQ_FOREACH(aw, &G_conf.autogroupq, entry) {
if (strcmp(aw->class, cc->app_class) == 0 &&
(aw->name == NULL || strcmp(aw->name, cc->app_name) == 0)) {
strlcpy(group, aw->group, sizeof(group));
break;
}
}
TAILQ_FOREACH(gc, &G_groupq, entry) {
if (strcmp(shortcut_to_name[gc->shortcut], group) == 0)
_group_add(gc, cc);
}
}