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/* aewm - Copyright 1998-2007 Decklin Foster <decklin@red-bean.com>.
* This program is free software; please see LICENSE for details. */
#include <locale.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/wait.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xresource.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "common.h"
#include "atom.h"
#include "menu.h"
typedef struct client client_t;
struct client {
client_t *next;
Window win;
void *widget;
int save;
};
void *make_launchitem_cb(void *, char *, char *);
void update_clientitem(GtkWidget *, Window);
void cleanup_clientitem(client_t *);
GdkFilterReturn check_event(GdkXEvent *, GdkEvent *, gpointer);
void update_client_list(GtkWidget *);
void show_menu_cb(GtkWidget *, gpointer);
void raise_win_cb(GtkWidget *, Window);
void fork_exec_cb(GtkWidget *, char *);
void setup_panel_atoms();
void sig_handler(int);
void set_strut(Window, strut_t *);
Atom net_wm_strut;
Atom net_wm_strut_partial;
Atom net_wm_wintype;
Atom net_wm_wintype_dock;
#define NAME_SIZE 48
client_t *head = NULL;
GtkWidget *menu_button = NULL;
int opt_bottom;
int main(int argc, char **argv)
{
GtkWidget *toplevel, *hbox, *launch_menu;
GtkWidget *clients_box;
struct sigaction act;
char *opt_config = NULL;
strut_t s = { 0, 0, 0, 0 };
client_t *c;
int i, rw, rh;
unsigned long read, left;
Window w;
setlocale(LC_ALL, "");
gtk_init(&argc, &argv);
gdk_error_trap_push();
for (i = 1; i < argc; i++) {
if ARG("config", "rc", 1) {
opt_config = argv[++i];
} else if ARG("bottom", "b", 0) {
opt_bottom = 1;
} else {
fprintf(stderr,
"usage: aepanel [--bottom|-b] [--config|-rc <file>]\n");
exit(2);
}
}
act.sa_handler = sig_handler;
act.sa_flags = 0;
sigaction(SIGCHLD, &act, NULL);
dpy = GDK_DISPLAY();
root = GDK_ROOT_WINDOW();
setup_switch_atoms();
setup_panel_atoms();
toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(G_OBJECT(toplevel), "delete_event",
G_CALLBACK(gtk_main_quit), NULL);
launch_menu = gtk_menu_new();
hbox = gtk_hbox_new(FALSE, 0);
gtk_container_set_border_width(GTK_CONTAINER(hbox), 0);
gtk_container_add(GTK_CONTAINER(toplevel), hbox);
menu_button = gtk_button_new_with_label("Launch");
gtk_signal_connect(GTK_OBJECT(menu_button), "clicked",
GTK_SIGNAL_FUNC(show_menu_cb), launch_menu);
gtk_box_pack_start(GTK_BOX(hbox), menu_button, FALSE, FALSE, 0);
clients_box = gtk_hbox_new(TRUE, 0);
gtk_container_add(GTK_CONTAINER(hbox), clients_box);
gtk_container_set_resize_mode(GTK_CONTAINER(clients_box),
GTK_RESIZE_QUEUE);
XSelectInput(dpy, GDK_ROOT_WINDOW(), PropertyChangeMask);
gdk_window_add_filter(gdk_get_default_root_window(),
check_event, clients_box);
make_launch_menu(opt_config, launch_menu, make_launchitem_cb);
for (i = 0, left = 1; left; i += read) {
read = get_atoms(root, net_client_list, XA_WINDOW, i, &w, 1, &left);
if (read)
update_clientitem(clients_box, w);
else
break;
}
for (c = head; c; c = c->next)
cleanup_clientitem(c);
gtk_widget_show_all(hbox);
gtk_widget_realize(toplevel);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(toplevel), TRUE);
gtk_window_set_skip_pager_hint(GTK_WINDOW(toplevel), TRUE);
gtk_window_set_decorated(GTK_WINDOW(toplevel), FALSE);
gtk_window_stick(GTK_WINDOW(toplevel));
/* This last call is not working for some reason, so we'll just have to
* kludge it for now. */
#ifdef _HEY_LOOK_AT_THAT_SOMEBODY_FIXED_THE_GTKWINDOW_TYPE_HINT_CRAP
gtk_window_set_type_hint(GTK_WINDOW(toplevel),
GDK_WINDOW_TYPE_HINT_DOCK);
#else
set_atoms(GDK_WINDOW_XID(toplevel->window), net_wm_wintype, XA_ATOM,
&net_wm_type_dock, 1);
#endif
gdk_window_get_size(gdk_get_default_root_window(), &rw, &rh);
gtk_widget_set_size_request(toplevel, rw, -1);
gtk_window_move(GTK_WINDOW(toplevel), 0,
opt_bottom ? rh - toplevel->allocation.height : 0);
gtk_widget_show_all(toplevel);
if (opt_bottom) s.bottom = toplevel->allocation.height;
else s.top = toplevel->allocation.height;
set_strut(GDK_WINDOW_XID(toplevel->window), &s);
gtk_main();
return 0;
}
void *make_launchitem_cb(void *menu, char *label, char *cmd)
{
GtkWidget *item, *sub_menu = NULL;
item = gtk_menu_item_new_with_label(label);
gtk_menu_append(GTK_MENU(menu), item);
if (cmd) {
gtk_signal_connect(GTK_OBJECT(item), "activate",
GTK_SIGNAL_FUNC(fork_exec_cb), cmd);
} else {
sub_menu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), sub_menu);
}
gtk_widget_show(item);
return sub_menu;
}
void update_clientitem(GtkWidget *container, Window w)
{
char buf[NAME_SIZE];
client_t *c;
for (c = head; c; c = c->next) {
if (c->win == w) {
if (is_on_cur_desk(w))
gtk_widget_show(GTK_WIDGET(c->widget));
else
gtk_widget_hide(GTK_WIDGET(c->widget));
c->save = 1;
return;
}
}
if (!is_skip(w) && is_on_cur_desk(w)) {
c = malloc(sizeof *c);
c->next = head;
head = c;
c->win = w;
c->save = 1;
snprint_wm_name(buf, sizeof buf, w);
c->widget = gtk_button_new_with_label(buf);
gtk_signal_connect(GTK_OBJECT(c->widget), "clicked",
GTK_SIGNAL_FUNC(raise_win_cb), (gpointer)w);
gtk_box_pack_start(GTK_BOX(container), c->widget, TRUE, TRUE, 0);
gtk_misc_set_alignment(GTK_MISC(GTK_BIN(c->widget)->child), 0, 0.5);
gtk_widget_show(c->widget);
XSelectInput(dpy, c->win, PropertyChangeMask);
gdk_window_add_filter(gdk_window_lookup(c->win),
check_event, container);
}
}
void cleanup_clientitem(client_t *c)
{
client_t *p;
if (c->save) {
c->save = 0;
} else {
gtk_widget_destroy(GTK_WIDGET(c->widget));
if (head == c) {
head = c->next;
} else {
for (p = head; p && p->next; p = p->next)
if (p->next == c) p->next = c->next;
}
free(c);
}
}
GdkFilterReturn check_event(GdkXEvent *gdk_xevent, GdkEvent *event,
gpointer container)
{
XEvent *e = gdk_xevent;
client_t *c;
char buf[NAME_SIZE];
if (e->type == PropertyNotify) {
if (e->xproperty.window == root) {
if (e->xproperty.atom == net_cur_desk ||
e->xproperty.atom == net_client_list)
update_client_list(GTK_WIDGET(container));
} else {
if (e->xproperty.atom == net_wm_desk) {
update_client_list(GTK_WIDGET(container));
} else {
/* don't really care which atom changed; just redo it */
for (c = head; c; c = c->next) {
if (c->win == e->xproperty.window) {
snprint_wm_name(buf, sizeof buf, c->win);
gtk_label_set_text(
GTK_LABEL(GTK_BIN(c->widget)->child), buf);
}
}
}
}
}
return GDK_FILTER_CONTINUE;
}
void update_client_list(GtkWidget *container)
{
client_t *c, *save_next;
unsigned long read, left;
int i;
Window w;
for (i = 0, left = 1; left; i += read) {
read = get_atoms(root, net_client_list, XA_WINDOW, i, &w, 1, &left);
if (read)
update_clientitem(container, w);
else
break;
}
for (c = head; c; c = save_next) {
save_next = c->next;
cleanup_clientitem(c);
}
}
void menu_position(GtkMenu *menu, gint *x, gint *y, gboolean *push_in,
gpointer data)
{
GtkWidget *button = GTK_WIDGET(data);
GtkRequisition req;
gint wx, wy;
gdk_window_get_root_origin(button->window, &wx, &wy);
*x = wx + button->allocation.x;
*y = wy + button->allocation.y;
if (opt_bottom) {
gtk_widget_size_request(GTK_WIDGET(menu), &req);
*y -= req.height;
} else {
*y += button->allocation.height;
}
}
void show_menu_cb(GtkWidget *widget, gpointer menu)
{
gtk_menu_popup(menu, NULL, NULL, menu_position, menu_button, 0, 0);
}
void raise_win_cb(GtkWidget *widget, Window w)
{
raise_win(w);
}
void fork_exec_cb(GtkWidget *widget, char *data)
{
fork_exec(data);
}
void setup_panel_atoms()
{
net_wm_strut = XInternAtom(dpy, "_NET_WM_STRUT", False);
net_wm_strut_partial = XInternAtom(dpy, "_NET_WM_STRUT_PARTIAL", False);
net_wm_wintype = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
net_wm_wintype_dock = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DOCK", False);
}
void sig_handler(int signal)
{
if (signal == SIGCHLD)
wait(NULL);
}
void set_strut(Window w, strut_t *s)
{
unsigned long data[4];
data[0] = s->left;
data[1] = s->right;
data[2] = s->top;
data[3] = s->bottom;
XChangeProperty(dpy, w, net_wm_strut, XA_CARDINAL,
32, PropModeReplace, (unsigned char *)data, 4);
}
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