Class: WMCtrl
- Inherits:
-
Object
- Object
- WMCtrl
- Defined in:
- lib/wmctrl/wmctrl.rb,
lib/wmctrl/version.rb,
ext/wmctrl.c
Defined Under Namespace
Classes: DataHash, Desktop, Window
Constant Summary collapse
- NOT_USE_NET_MOVERESIZE_WINDOW =
-1
- GRAVITY_DEFAULT =
0- GRAVITY_NORTH_WEST =
1- GRAVITY_NORTH =
2- GRAVITY_NORTH_EAST =
3- GRAVITY_WEST =
4- GRAVITY_CENTER =
5- GRAVITY_EAST =
6- GRAVITY_SOUTH_WEST =
7- GRAVITY_SOUTH =
8- GRAVITY_SOUTH_EAST =
9- GRAVITY_STATIC =
10- VERSION =
"0.0.7"
Class Method Summary collapse
Instance Method Summary collapse
-
#action_window(*args) ⇒ Object
Manage a window.
-
#change_geometry(w, h) ⇒ true
Change geometry of all desktops.
-
#change_number_of_desktops(num) ⇒ true
Change number of desktops.
-
#change_viewport(x, y) ⇒ true
Change the viewport.
-
#desktops ⇒ Array
An array of WMCtrl::Desktop.
-
#get_window_data ⇒ Hash
Hash of specified window data.
-
#info ⇒ Hash
Get hash of information of window manager.
-
#list_desktops ⇒ Hash
Get list of information of desktops.
-
#list_windows(get_state = nil) ⇒ Hash
Get list of information of windows.
-
#showing_desktop(state) ⇒ true
Minimize windows to show desktop if the window manager implements "show the desktop" mode.
-
#supported ⇒ Array
Get an array of _NET_SUPPORTED property.
-
#switch_desktop(desktop_id) ⇒ Qtrue
Switch desktop.
-
#windows(*conditions) {|WMCtrl::Window| ... } ⇒ Array
An array of WMCtrl::Window including windows matched by the conditions and the block.
Class Method Details
.instance ⇒ Object
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# File 'lib/wmctrl/wmctrl.rb', line 17 def self.instance @wmctrl ||= self.new end |
Instance Method Details
#action_window(wid, : activate) ⇒ boolean #action_window(wid, : close) ⇒ boolean #action_window(wid, : move_resize, grav, x, y, w, h) ⇒ boolean #action_window(wid, : change_state, "add", prop1, prop2 = nil) ⇒ boolean #action_window(wid, : change_state, "remove", prop1, prop2 = nil) ⇒ boolean #action_window(wid, : change_state, "toggle", prop1, prop2 = nil) ⇒ boolean #action_window(wid, : move_to_desktop, desktop_id) ⇒ boolean #action_window(wid, : move_to_current) ⇒ boolean #action_window(wid, : set_title_long, str) ⇒ boolean #action_window(wid, : set_title_short, str) ⇒ boolean #action_window(wid, : set_title_both, str) ⇒ boolean
Note:
The arguments of prop1 and prop2 for :change_state command are strings that mean type of _NET_WM_STATE. For example, For example, we use "modal" or "MODAL" for _NET_WM_STATE_MODAL. See also http://standards.freedesktop.org/wm-spec/wm-spec-latest.html
Manage a window.
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# File 'ext/wmctrl.c', line 1200
static VALUE rb_wmctrl_action_window(int argc, VALUE *argv, VALUE self) {
Window win;
ID sym_id;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
if (argc < 2) {
rb_raise(rb_eArgError, "Need more than one argument.");
}
win = get_target_window(disp, argv[0]);
sym_id = SYM2ID(argv[1]);
argc = argc - 2;
argv = argv + 2;
p_verbose("Using window: 0x%.8lx\n", win);
if (sym_id == id_activate) {
if (argc == 0) {
return activate_window(disp, win, TRUE);
}
} else if (sym_id == id_close) {
if (argc == 0) {
return close_window(disp, win);
}
} else if (sym_id == id_move_resize) {
/* resize/move the window around the desktop => -r -e */
if (argc == 5) {
int grav, x, y, w, h;
grav = FIX2INT(argv[0]);
x = FIX2INT(argv[1]);
y = FIX2INT(argv[2]);
w = FIX2INT(argv[3]);
h = FIX2INT(argv[4]);
return window_move_resize(disp, win, grav, x, y, w, h);
}
} else if (sym_id == id_change_state) {
/* change state of a window => -r -b */
if (argc == 2 || argc == 3) {
const char *action, *prop1, *prop2;
action = StringValuePtr(argv[0]);
prop1 = StringValuePtr(argv[1]);
if (argc == 3) {
prop2 = StringValuePtr(argv[2]);
} else {
prop2 = NULL;
}
return change_window_state(disp, win, action, prop1, prop2);
}
} else if (sym_id == id_move_to_desktop) {
/* move the window to the specified desktop => -r -t */
if (argc == 1) {
if (window_to_desktop(disp, win, FIX2INT(argv[0]))) {
return Qtrue;
}
return Qfalse;
}
} else if (sym_id == id_move_to_current) {
/* move the window to the current desktop and activate it => -r */
if (argc == 0) {
if (window_to_desktop(disp, win, -1)) {
usleep(100000);
/* 100 ms - make sure the WM has enough time to move the window, before we activate it */
return activate_window(disp, win, FALSE);
}
return Qfalse;
}
} else if (sym_id == id_set_title_long || sym_id == id_set_title_short || sym_id == id_set_title_both) {
if (argc == 1) {
return window_set_title(disp, win, StringValuePtr(argv[0]), sym_id);
}
}
rb_raise(rb_eStandardError, "Invalid argument of action_window.");
}
|
#change_geometry(w, h) ⇒ true
Change geometry of all desktops. A window manager may ignore this request.
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# File 'ext/wmctrl.c', line 811
static VALUE rb_wmctrl_change_geometry (VALUE self, VALUE xnum, VALUE ynum) {
long x, y;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
x = NUM2LONG(xnum);
y = NUM2LONG(ynum);
if (x < 0 || y < 0) {
rb_raise(rb_eArgError, "Arguments must be nonnegative integers.");
}
client_msg(disp, DefaultRootWindow(disp), "_NET_DESKTOP_GEOMETRY", x, y, 0, 0, 0);
return Qtrue;
}
|
#change_number_of_desktops(num) ⇒ true
Change number of desktops.
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# File 'ext/wmctrl.c', line 834
static VALUE rb_wmctrl_change_number_of_desktops (VALUE self, VALUE num) {
long n;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
n = NUM2LONG(num);
if (n < 0) {
rb_raise(rb_eArgError, "An argument must be a nonnegative integer.");
}
client_msg(disp, DefaultRootWindow(disp), "_NET_NUMBER_OF_DESKTOPS", n, 0, 0, 0, 0);
return Qtrue;
}
|
#change_viewport(x, y) ⇒ true
Change the viewport. A window manager may ignore this request.
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# File 'ext/wmctrl.c', line 787
static VALUE rb_wmctrl_change_viewport (VALUE self, VALUE xnum, VALUE ynum) {
long x, y;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
x = NUM2LONG(xnum);
y = NUM2LONG(ynum);
if (x < 0 || y < 0) {
rb_raise(rb_eArgError, "Arguments must be nonnegative integers.");
}
client_msg(disp, DefaultRootWindow(disp), "_NET_DESKTOP_VIEWPORT", x, y, 0, 0, 0);
return Qtrue;
}
|
#desktops ⇒ Array
Returns An array of WMCtrl::Desktop.
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# File 'lib/wmctrl/wmctrl.rb', line 190 def desktops list_desktops.map { |hash| WMCtrl::Desktop.new(hash) } end |
#get_window_data ⇒ Hash
Returns Hash of specified window data.
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# File 'ext/wmctrl.c', line 420
static VALUE rb_wmctrl_get_window_data (VALUE self, VALUE win_id_obj) {
Display **ptr, *disp;
Window win_id;
win_id = (Window) NUM2LONG(win_id_obj);
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
return get_window_hash_data(win_id, disp, -1, TRUE);
}
|
#info ⇒ Hash
Get hash of information of window manager.
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# File 'ext/wmctrl.c', line 683
static VALUE rb_wmctrl_info (VALUE self) {
Display **ptr, *disp;
Window *sup_window = NULL;
gchar *wm_name = NULL;
gchar *wm_class = NULL;
unsigned long *wm_pid = NULL;
unsigned long *showing_desktop = NULL;
gboolean name_is_utf8;
VALUE ret = rb_hash_new();
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
if (! (sup_window = (Window *)get_property(disp, DefaultRootWindow(disp),
XA_WINDOW, "_NET_SUPPORTING_WM_CHECK", NULL))) {
if (! (sup_window = (Window *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_WIN_SUPPORTING_WM_CHECK", NULL))) {
fputs("Cannot get window manager info properties.\n"
"(_NET_SUPPORTING_WM_CHECK or _WIN_SUPPORTING_WM_CHECK)\n", stderr);
/* return EXIT_FAILURE; */
return Qfalse;
}
}
/* WM_NAME */
name_is_utf8 = TRUE;
if (! (wm_name = get_property(disp, *sup_window,
XInternAtom(disp, "UTF8_STRING", False), "_NET_WM_NAME", NULL))) {
name_is_utf8 = FALSE;
if (! (wm_name = get_property(disp, *sup_window,
XA_STRING, "_NET_WM_NAME", NULL))) {
p_verbose("Cannot get name of the window manager (_NET_WM_NAME).\n");
}
}
if (wm_name) {
rb_hash_aset(ret, key_name, (name_is_utf8 ? RB_UTF8_STRING_NEW2(wm_name) : rb_str_new(wm_name, strlen(wm_name))));
}
/* WM_CLASS */
name_is_utf8 = TRUE;
if (! (wm_class = get_property(disp, *sup_window,
XInternAtom(disp, "UTF8_STRING", False), "WM_CLASS", NULL))) {
name_is_utf8 = FALSE;
if (! (wm_class = get_property(disp, *sup_window,
XA_STRING, "WM_CLASS", NULL))) {
p_verbose("Cannot get class of the window manager (WM_CLASS).\n");
}
}
if (wm_class) {
rb_hash_aset(ret, key_class, (name_is_utf8 ? RB_UTF8_STRING_NEW2(wm_class) : rb_str_new(wm_class, strlen(wm_class))));
}
/* WM_PID */
if (! (wm_pid = (unsigned long *)get_property(disp, *sup_window,
XA_CARDINAL, "_NET_WM_PID", NULL))) {
p_verbose("Cannot get pid of the window manager (_NET_WM_PID).\n");
}
/* _NET_SHOWING_DESKTOP */
if (! (showing_desktop = (unsigned long *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_NET_SHOWING_DESKTOP", NULL))) {
p_verbose("Cannot get the _NET_SHOWING_DESKTOP property.\n");
}
rb_hash_aset(ret, key_pid, (wm_pid ? UINT2NUM(*wm_pid) : Qnil));
rb_hash_aset(ret, key_showing_desktop,
(showing_desktop ? RB_UTF8_STRING_NEW2(*showing_desktop == 1 ? "ON" : "OFF") : Qnil));
g_free(sup_window);
g_free(wm_name);
g_free(wm_class);
g_free(wm_pid);
g_free(showing_desktop);
return ret;
}
|
#list_desktops ⇒ Hash
Get list of information of desktops.
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# File 'ext/wmctrl.c', line 434
static VALUE rb_wmctrl_list_desktops (VALUE self) {
Display **ptr, *disp;
unsigned long *num_desktops = NULL;
unsigned long *cur_desktop = NULL;
unsigned long desktop_list_size = 0;
unsigned long *desktop_geometry = NULL;
unsigned long desktop_geometry_size = 0;
unsigned long *desktop_viewport = NULL;
unsigned long desktop_viewport_size = 0;
unsigned long *desktop_workarea = NULL;
unsigned long desktop_workarea_size = 0;
gchar *list = NULL;
unsigned int i;
unsigned int id;
Window root;
const gchar *error_message = NULL;
VALUE ret = Qnil;
VALUE *ret_arys;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
root = DefaultRootWindow(disp);
if (! (num_desktops = (unsigned long *)get_property(disp, root,
XA_CARDINAL, "_NET_NUMBER_OF_DESKTOPS", NULL))) {
if (! (num_desktops = (unsigned long *)get_property(disp, root,
XA_CARDINAL, "_WIN_WORKSPACE_COUNT", NULL))) {
error_message = "Cannot get number of desktops properties. (_NET_NUMBER_OF_DESKTOPS or _WIN_WORKSPACE_COUNT)";
goto cleanup;
}
}
if (! (cur_desktop = (unsigned long *)get_property(disp, root,
XA_CARDINAL, "_NET_CURRENT_DESKTOP", NULL))) {
if (! (cur_desktop = (unsigned long *)get_property(disp, root,
XA_CARDINAL, "_WIN_WORKSPACE", NULL))) {
error_message = "Cannot get current desktop properties. (_NET_CURRENT_DESKTOP or _WIN_WORKSPACE property)";
goto cleanup;
}
}
if ((list = get_property(disp, root, XInternAtom(disp, "UTF8_STRING", False),
"_NET_DESKTOP_NAMES", &desktop_list_size)) == NULL) {
/* If charaset is not utf8 then there may be bugs here. */
if ((list = get_property(disp, root,
XA_STRING,
"_WIN_WORKSPACE_NAMES", &desktop_list_size)) == NULL) {
p_verbose("Cannot get desktop names properties. "
"(_NET_DESKTOP_NAMES or _WIN_WORKSPACE_NAMES)"
"\n");
/* ignore the error - list the desktops without names */
}
}
/* common size of all desktops */
if (! (desktop_geometry = (unsigned long *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_NET_DESKTOP_GEOMETRY", &desktop_geometry_size))) {
p_verbose("Cannot get common size of all desktops (_NET_DESKTOP_GEOMETRY).\n");
}
/* desktop viewport */
if (! (desktop_viewport = (unsigned long *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_NET_DESKTOP_VIEWPORT", &desktop_viewport_size))) {
p_verbose("Cannot get common size of all desktops (_NET_DESKTOP_VIEWPORT).\n");
}
/* desktop workarea */
if (! (desktop_workarea = (unsigned long *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_NET_WORKAREA", &desktop_workarea_size))) {
if (! (desktop_workarea = (unsigned long *)get_property(disp, DefaultRootWindow(disp),
XA_CARDINAL, "_WIN_WORKAREA", &desktop_workarea_size))) {
p_verbose("Cannot get _NET_WORKAREA property.\n");
}
}
ret_arys = (VALUE *)g_malloc0(*num_desktops * sizeof(VALUE));
for (i = 0; i < *num_desktops; i++) {
ret_arys[i] = rb_hash_new();
rb_hash_aset(ret_arys[i], key_id, UINT2NUM(i));
if (i == *cur_desktop) {
rb_hash_aset(ret_arys[i], key_current, Qtrue);
} else {
rb_hash_aset(ret_arys[i], key_current, Qnil);
}
}
if (list) {
id = 0;
rb_hash_aset(ret_arys[id], key_title, RB_UTF8_STRING_NEW2(list));
id++;
for (i = 0; i < desktop_list_size; i++) {
if (list[i] == '\0') {
if (id >= *num_desktops) {
break;
}
rb_hash_aset(ret_arys[id], key_title, RB_UTF8_STRING_NEW2(list + i + 1));
id++;
}
}
}
/* prepare desktop geometry strings */
if (desktop_geometry && desktop_geometry_size > 0) {
if (desktop_geometry_size == 2 * sizeof(*desktop_geometry)) {
/* only one value - use it for all desktops */
p_verbose("WM provides _NET_DESKTOP_GEOMETRY value common for all desktops.\n");
for (i = 0; i < *num_desktops; i++) {
rb_hash_aset(ret_arys[i], key_geometry,
rb_ary_new3(2, INT2NUM(desktop_geometry[0]), INT2NUM(desktop_geometry[1])));
}
}
else {
/* seperate values for desktops of different size */
p_verbose("WM provides separate _NET_DESKTOP_GEOMETRY value for each desktop.\n");
for (i = 0; i < *num_desktops; i++) {
if (i < desktop_geometry_size / sizeof(*desktop_geometry) / 2) {
rb_hash_aset(ret_arys[i], key_geometry,
rb_ary_new3(2, INT2NUM(desktop_geometry[i*2]), INT2NUM(desktop_geometry[i*2+1])));
}
else {
rb_hash_aset(ret_arys[i], key_geometry, Qnil);
}
}
}
}
else {
for (i = 0; i < *num_desktops; i++) {
rb_hash_aset(ret_arys[i], key_geometry, Qnil);
}
}
/* prepare desktop viewport strings */
if (desktop_viewport && desktop_viewport_size > 0) {
if (desktop_viewport_size == 2 * sizeof(*desktop_viewport)) {
/* only one value - use it for current desktop */
p_verbose("WM provides _NET_DESKTOP_VIEWPORT value only for the current desktop.\n");
for (i = 0; i < *num_desktops; i++) {
if (i == *cur_desktop) {
rb_hash_aset(ret_arys[i], key_viewport,
rb_ary_new3(2, INT2NUM(desktop_viewport[0]), INT2NUM(desktop_viewport[1])));
}
else {
rb_hash_aset(ret_arys[i], key_viewport, Qnil);
}
}
}
else {
/* seperate values for each of desktops */
for (i = 0; i < *num_desktops; i++) {
if (i < desktop_viewport_size / sizeof(*desktop_viewport) / 2) {
rb_hash_aset(ret_arys[i], key_viewport,
rb_ary_new3(2, INT2NUM(desktop_viewport[i*2]), INT2NUM(desktop_viewport[i*2+1])));
}
else {
rb_hash_aset(ret_arys[i], key_viewport, Qnil);
}
}
}
}
else {
for (i = 0; i < *num_desktops; i++) {
rb_hash_aset(ret_arys[i], key_viewport, Qnil);
}
}
/* prepare desktop workarea strings */
if (desktop_workarea && desktop_workarea_size > 0) {
if (desktop_workarea_size == 4 * sizeof(*desktop_workarea)) {
/* only one value - use it for current desktop */
p_verbose("WM provides _NET_WORKAREA value only for the current desktop.\n");
for (i = 0; i < *num_desktops; i++) {
if (i == *cur_desktop) {
rb_hash_aset(ret_arys[i], key_workarea,
rb_ary_new3(4, INT2NUM(desktop_workarea[0]), INT2NUM(desktop_workarea[1]),
INT2NUM(desktop_workarea[2]), INT2NUM(desktop_workarea[3])));
}
else {
rb_hash_aset(ret_arys[i], key_workarea, Qnil);
}
}
}
else {
/* seperate values for each of desktops */
for (i = 0; i < *num_desktops; i++) {
if (i < desktop_workarea_size / sizeof(*desktop_workarea) / 4) {
rb_hash_aset(ret_arys[i], key_workarea,
rb_ary_new3(4, INT2NUM(desktop_workarea[i*4]), INT2NUM(desktop_workarea[i*4+1]),
INT2NUM(desktop_workarea[i*4+2]), INT2NUM(desktop_workarea[i*4+3])));
}
else {
rb_hash_aset(ret_arys[i], key_workarea, Qnil);
}
}
}
}
else {
for (i = 0; i < *num_desktops; i++) {
rb_hash_aset(ret_arys[i], key_workarea, Qnil);
}
}
ret = rb_ary_new4(*num_desktops, ret_arys);
p_verbose("Total number of desktops: %lu\n", *num_desktops);
p_verbose("Current desktop ID (counted from zero): %lu\n", *cur_desktop);
goto cleanup;
cleanup:
g_free(num_desktops);
g_free(cur_desktop);
g_free(desktop_geometry);
g_free(desktop_viewport);
g_free(desktop_workarea);
g_free(list);
if (error_message) {
rb_raise(rb_eStandardError, "%s", error_message);
}
return ret;
}
|
#list_windows(get_state = nil) ⇒ Hash
Get list of information of windows.
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# File 'ext/wmctrl.c', line 388
static VALUE rb_wmctrl_list_windows (int argc, VALUE *argv, VALUE self) {
Display **ptr, *disp;
Window *client_list;
Window window_active;
unsigned long client_list_size;
unsigned int i;
int get_state;
VALUE get_state_obj, window_ary;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
rb_scan_args(argc, argv, "01", &get_state_obj);
get_state = RTEST(get_state_obj);
if ((client_list = get_client_list(disp, &client_list_size)) == NULL) {
/* return EXIT_FAILURE; */
return Qfalse;
}
window_active = get_active_window(disp);
window_ary = rb_ary_new2(client_list_size);
for (i = 0; i < client_list_size / sizeof(Window); i++) {
rb_ary_push(window_ary, get_window_hash_data(client_list[i], disp, window_active, get_state));
}
g_free(client_list);
return window_ary;
}
|
#showing_desktop(state) ⇒ true
Minimize windows to show desktop if the window manager implements "show the desktop" mode.
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# File 'ext/wmctrl.c', line 769
static VALUE rb_wmctrl_showing_desktop (VALUE self, VALUE state) {
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
client_msg(disp, DefaultRootWindow(disp), "_NET_SHOWING_DESKTOP", RTEST(state), 0, 0, 0, 0);
return Qtrue;
}
|
#supported ⇒ Array
Get an array of _NET_SUPPORTED property.
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# File 'ext/wmctrl.c', line 1277
static VALUE rb_wmctrl_supported (VALUE self)
{
Atom *list;
unsigned long size;
unsigned int i;
gchar *prop_name;
VALUE ret;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
if (!(list = (Atom *)get_property(disp, DefaultRootWindow(disp), XA_ATOM, "_NET_SUPPORTED", &size))) {
rb_raise(rb_eStandardError, "Cannot get _NET_SUPPORTED property.");
}
ret = rb_ary_new();
for (i = 0; i < size / sizeof(Atom); i++) {
prop_name = XGetAtomName(disp, list[i]);
rb_ary_push(ret, rb_str_new2(prop_name));
g_free(prop_name);
}
g_free(list);
return ret;
}
|
#switch_desktop(desktop_id) ⇒ Qtrue
Switch desktop.
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# File 'ext/wmctrl.c', line 664
static VALUE rb_wmctrl_switch_desktop (VALUE self, VALUE desktop_id) {
int target;
Display **ptr, *disp;
Data_Get_Struct(self, Display*, ptr);
disp = *ptr;
target = FIX2INT(desktop_id);
if (target < 0) {
rb_raise(rb_eStandardError, "Invalid desktop ID: %d", target);
}
client_msg(disp, DefaultRootWindow(disp), "_NET_CURRENT_DESKTOP", (unsigned long)target, 0, 0, 0, 0);
return Qtrue;
}
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#windows(*conditions) {|WMCtrl::Window| ... } ⇒ Array
Returns An array of WMCtrl::Window including windows matched by the conditions and the block.
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# File 'lib/wmctrl/wmctrl.rb', line 202 def windows(*conditions, &block) wins = list_windows(true).map { |hash| WMCtrl::Window.new(hash) } unless conditions.empty? wins_selected = [] conditions.each do |condition| wins_rest = [] wins.each do |win| if condition.all? { |k, v| v === win[k] } wins_selected << win else wins_rest << win end end wins = wins_rest end wins = wins_selected end if block_given? wins.delete_if { |win| !yield(win) } end wins end |