Panel
/* $Id$ */
/* Copyright (c) 2011-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Panel */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <libintl.h>
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#include <System.h>
#include <Desktop.h>
#include "Panel/applet.h"
#define _(string) gettext(string)
#define N_(string) string
#if !GTK_CHECK_VERSION(3, 0, 0)
# define gdk_error_trap_pop_ignored() gdk_error_trap_pop()
#endif
/* Tasks */
/* private */
/* types */
#define atom(a) TASKS_ATOM_ ## a
typedef enum _TasksAtom
{
#include "tasks.atoms"
} TasksAtom;
#define TASKS_ATOM_LAST TASKS_ATOM_UTF8_STRING
#define TASKS_ATOM_COUNT (TASKS_ATOM_LAST + 1)
#undef atom
typedef struct _PanelApplet Tasks;
typedef struct _Task
{
Tasks * tasks;
Window window;
GtkWidget * widget;
GtkWidget * image;
GtkWidget * label;
gboolean delete;
gboolean reorder;
} Task;
struct _PanelApplet
{
PanelAppletHelper * helper;
Task ** tasks;
size_t tasks_cnt;
gboolean label;
gboolean reorder;
gboolean embedded;
GtkWidget * widget;
GtkWidget * hbox;
GtkIconSize iconsize;
int icon_width;
int icon_height;
gulong source;
Atom atom[TASKS_ATOM_COUNT];
GdkDisplay * display;
GdkScreen * screen;
GdkWindow * root;
};
/* constants */
#define atom(a) "" # a
static const char * _tasks_atom[TASKS_ATOM_COUNT] =
{
#include "tasks.atoms"
};
#undef atom
#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
/* prototypes */
/* task */
static Task * _task_new(Tasks * tasks, gboolean label, gboolean reorder,
Window window, char const * name, GdkPixbuf * pixbuf);
static void _task_delete(Task * Task);
static void _task_set(Task * task, char const * name, GdkPixbuf * pixbuf);
static void _task_toggle_state(Task * task, TasksAtom state);
static void _task_toggle_state2(Task * task, TasksAtom state1,
TasksAtom state2);
/* tasks */
static Tasks * _tasks_init(PanelAppletHelper * helper, GtkWidget ** widget);
static void _tasks_destroy(Tasks * tasks);
/* accessors */
static int _tasks_get_current_desktop(Tasks * tasks);
static int _tasks_get_text_property(Tasks * tasks, Window window, Atom property,
char ** ret);
static int _tasks_get_window_property(Tasks * tasks, Window window,
TasksAtom property, Atom atom, unsigned long * cnt,
unsigned char ** ret);
/* useful */
static void _tasks_do(Tasks * tasks);
/* callbacks */
static gboolean _task_on_button_press(GtkWidget * widget,
GdkEventButton * event, gpointer data);
static void _task_on_clicked(gpointer data);
static gboolean _task_on_delete_event(gpointer data);
static GdkFilterReturn _task_on_filter(GdkXEvent * xevent, GdkEvent * event,
gpointer data);
static gboolean _task_on_popup(gpointer data);
static void _task_on_popup_change_desktop(gpointer data);
static void _task_on_popup_close(gpointer data);
static void _task_on_popup_fullscreen(gpointer data);
static void _task_on_popup_maximize(gpointer data);
static void _task_on_popup_maximize_horz(gpointer data);
static void _task_on_popup_maximize_vert(gpointer data);
static void _task_on_popup_minimize(gpointer data);
static void _task_on_popup_move(gpointer data);
static void _task_on_popup_resize(gpointer data);
static void _task_on_popup_shade(gpointer data);
static void _task_on_popup_stick(gpointer data);
static void _task_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
gpointer data);
/* public */
/* variables */
PanelAppletDefinition applet =
{
N_("Tasks"),
"application-x-executable",
NULL,
_tasks_init,
_tasks_destroy,
NULL,
#ifndef EMBEDDED
TRUE,
#else
FALSE,
#endif
TRUE
};
/* private */
/* functions */
/* Task */
/* task_new */
static Task * _task_new(Tasks * tasks, gboolean label, gboolean reorder,
Window window, char const * name, GdkPixbuf * pixbuf)
{
Task * task;
GtkWidget * hbox;
if((task = malloc(sizeof(*task))) == NULL)
{
error_set("%s: %s", applet.name, strerror(errno));
return NULL;
}
task->tasks = tasks;
task->window = window;
task->widget = gtk_button_new();
g_signal_connect(task->widget, "button-press-event", G_CALLBACK(
_task_on_button_press), task);
g_signal_connect_swapped(task->widget, "delete-event", G_CALLBACK(
_task_on_delete_event), task);
g_signal_connect_swapped(task->widget, "popup-menu", G_CALLBACK(
_task_on_popup), task);
g_signal_connect_swapped(task->widget, "clicked", G_CALLBACK(
_task_on_clicked), task);
task->image = gtk_image_new();
task->delete = FALSE;
task->reorder = reorder;
#if GTK_CHECK_VERSION(3, 0, 0)
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
#else
hbox = gtk_hbox_new(FALSE, 0);
#endif
gtk_box_pack_start(GTK_BOX(hbox), task->image, FALSE, TRUE, 0);
if(label)
{
task->label = gtk_label_new(name);
# if GTK_CHECK_VERSION(3, 0, 0) /* XXX should work with Gtk+ 2 too */
gtk_label_set_ellipsize(GTK_LABEL(task->label),
PANGO_ELLIPSIZE_END);
# endif
if(tasks->iconsize == GTK_ICON_SIZE_LARGE_TOOLBAR)
gtk_label_set_line_wrap(GTK_LABEL(task->label), TRUE);
# if GTK_CHECK_VERSION(2, 10, 0)
gtk_label_set_line_wrap_mode(GTK_LABEL(task->label),
PANGO_WRAP_WORD_CHAR);
# endif
gtk_box_pack_start(GTK_BOX(hbox), task->label, FALSE, TRUE, 4);
gtk_widget_set_size_request(task->widget, tasks->icon_width,
tasks->icon_height);
}
else
task->label = NULL;
gtk_container_add(GTK_CONTAINER(task->widget), hbox);
_task_set(task, name, pixbuf);
return task;
}
/* task_delete */
static void _task_delete(Task * task)
{
if(task->widget != NULL)
gtk_widget_destroy(task->widget);
free(task);
}
/* task_set */
static void _task_set(Task * task, char const * name, GdkPixbuf * pixbuf)
{
if(task->label != NULL)
gtk_label_set_text(GTK_LABEL(task->label), name);
#if GTK_CHECK_VERSION(2, 12, 0)
gtk_widget_set_tooltip_text(task->widget, name);
#endif
if(pixbuf != NULL)
gtk_image_set_from_pixbuf(GTK_IMAGE(task->image), pixbuf);
else
gtk_image_set_from_icon_name(GTK_IMAGE(task->image),
"application-x-executable",
task->tasks->iconsize);
}
/* task_toggle_state */
static void _task_toggle_state(Task * task, TasksAtom state)
{
_task_toggle_state2(task, state, 0);
}
/* task_toggle_state2 */
static void _task_toggle_state2(Task * task, TasksAtom state1,
TasksAtom state2)
{
Tasks * tasks = task->tasks;
GdkDisplay * display;
XEvent xev;
display = tasks->display;
memset(&xev, 0, sizeof(xev));
xev.xclient.type = ClientMessage;
xev.xclient.window = task->window;
xev.xclient.message_type = tasks->atom[TASKS_ATOM__NET_WM_STATE];
xev.xclient.format = 32;
xev.xclient.data.l[0] = tasks->atom[TASKS_ATOM__NET_WM_STATE_TOGGLE];
xev.xclient.data.l[1] = tasks->atom[state1];
xev.xclient.data.l[2] = (state2 != 0) ? tasks->atom[state2] : 0;
xev.xclient.data.l[3] = 2;
gdk_error_trap_push();
XSendEvent(GDK_DISPLAY_XDISPLAY(display), GDK_WINDOW_XID(tasks->root),
False,
SubstructureNotifyMask | SubstructureRedirectMask,
&xev);
gdk_error_trap_pop_ignored();
}
/* Tasks */
/* tasks_init */
static Tasks * _tasks_init(PanelAppletHelper * helper, GtkWidget ** widget)
{
Tasks * tasks;
char const * p;
GtkOrientation orientation;
if((tasks = malloc(sizeof(*tasks))) == NULL)
{
error_set("%s: %s", applet.name, strerror(errno));
return NULL;
}
tasks->helper = helper;
tasks->tasks = NULL;
tasks->tasks_cnt = 0;
/* config: label */
if((p = helper->config_get(helper->panel, "tasks", "label")) != NULL)
tasks->label = strtol(p, NULL, 0) ? TRUE : FALSE;
else
#ifdef EMBEDDED
tasks->label = FALSE;
#else
tasks->label = TRUE;
#endif
/* config: reorder */
if((p = helper->config_get(helper->panel, "tasks", "reorder")) != NULL)
tasks->reorder = strtol(p, NULL, 0) ? TRUE : FALSE;
else
#ifdef EMBEDDED
tasks->reorder = TRUE;
#else
tasks->reorder = FALSE;
#endif
#ifdef EMBEDDED
tasks->embedded = TRUE;
#else
tasks->embedded = FALSE;
#endif
orientation = panel_window_get_orientation(helper->window);
#if GTK_CHECK_VERSION(3, 0, 0)
tasks->hbox = gtk_box_new(orientation, 0);
gtk_box_set_homogeneous(GTK_BOX(tasks->hbox), TRUE);
#else
tasks->hbox = (orientation == GTK_ORIENTATION_VERTICAL)
? gtk_vbox_new(TRUE, 0) : gtk_hbox_new(TRUE, 0);
#endif
tasks->source = g_signal_connect(tasks->hbox, "screen-changed",
G_CALLBACK(_task_on_screen_changed), tasks);
tasks->iconsize = panel_window_get_icon_size(helper->window);
tasks->icon_width = 48;
tasks->icon_height = 48;
gtk_icon_size_lookup(tasks->iconsize, &tasks->icon_width,
&tasks->icon_height);
tasks->icon_width -= 4;
tasks->icon_height -= 4;
tasks->display = NULL;
tasks->screen = NULL;
tasks->root = NULL;
#ifndef EMBEDDED
tasks->widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(tasks->widget),
GTK_POLICY_NEVER, GTK_POLICY_NEVER);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(tasks->widget),
GTK_SHADOW_NONE);
# if GTK_CHECK_VERSION(3, 8, 0)
gtk_container_add(GTK_CONTAINER(tasks->widget), tasks->hbox);
# else
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(
tasks->widget), tasks->hbox);
# endif
#else
tasks->widget = tasks->hbox;
#endif
gtk_widget_show_all(tasks->widget);
*widget = tasks->widget;
return tasks;
}
/* tasks_destroy */
static void _tasks_destroy(Tasks * tasks)
{
size_t i;
if(tasks->source != 0)
g_signal_handler_disconnect(tasks->widget, tasks->source);
tasks->source = 0;
if(tasks->root != NULL)
gdk_window_remove_filter(tasks->root, _task_on_filter, tasks);
for(i = 0; i < tasks->tasks_cnt; i++)
_task_delete(tasks->tasks[i]);
free(tasks->tasks);
tasks->tasks = NULL;
tasks->tasks_cnt = 0;
gtk_widget_destroy(tasks->widget);
free(tasks);
}
/* accessors */
/* tasks_get_current_desktop */
static int _tasks_get_current_desktop(Tasks * tasks)
{
unsigned long cnt;
unsigned long *p;
if(tasks->embedded)
/* ignore the current desktop */
return -1;
if(_tasks_get_window_property(tasks, GDK_WINDOW_XID(tasks->root),
TASKS_ATOM__NET_CURRENT_DESKTOP, XA_CARDINAL,
&cnt, (void *)&p) != 0)
return -1;
cnt = *p;
XFree(p);
return cnt;
}
/* tasks_get_text_property */
static int _tasks_get_text_property(Tasks * tasks, Window window, Atom property,
char ** ret)
{
int res;
XTextProperty text;
GdkAtom atom;
int cnt;
char ** list;
int i;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(tasks, window, %lu)\n", __func__, property);
#endif
gdk_error_trap_push();
res = XGetTextProperty(GDK_DISPLAY_XDISPLAY(tasks->display), window,
&text, property);
if(gdk_error_trap_pop() != 0 || res == 0)
return -1;
atom = gdk_x11_xatom_to_atom(text.encoding);
#if GTK_CHECK_VERSION(2, 24, 0)
cnt = gdk_x11_display_text_property_to_text_list(tasks->display,
atom, text.format, text.value, text.nitems, &list);
#else
cnt = gdk_text_property_to_utf8_list(atom, text.format, text.value,
text.nitems, &list);
#endif
if(cnt > 0)
{
*ret = list[0];
for(i = 1; i < cnt; i++)
g_free(list[i]);
g_free(list);
}
else
*ret = NULL;
if(text.value != NULL)
XFree(text.value);
return 0;
}
/* tasks_get_window_property */
static int _tasks_get_window_property(Tasks * tasks, Window window,
TasksAtom property, Atom atom, unsigned long * cnt,
unsigned char ** ret)
{
int res;
Atom type;
int format;
unsigned long bytes;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(tasks, window, %s, %lu)\n", __func__,
_tasks_atom[property], atom);
#endif
gdk_error_trap_push();
res = XGetWindowProperty(GDK_DISPLAY_XDISPLAY(tasks->display), window,
tasks->atom[property], 0, G_MAXLONG, False, atom,
&type, &format, cnt, &bytes, ret);
if(gdk_error_trap_pop() != 0 || res != Success)
return -1;
if(type != atom)
{
if(*ret != NULL)
XFree(*ret);
*ret = NULL;
return 1;
}
return 0;
}
/* tasks_do */
static char * _do_name(Tasks * tasks, Window window);
static char * _do_name_text(Tasks * tasks, Window window, Atom property);
static char * _do_name_utf8(Tasks * tasks, Window window, Atom property);
static GdkPixbuf * _do_pixbuf(Tasks * tasks, Window window);
static int _do_tasks_add(Tasks * tasks, int desktop, Window window,
char const * name, GdkPixbuf * pixbuf);
static void _do_tasks_clean(Tasks * tasks);
static int _do_typehint_normal(Tasks * tasks, Window window);
static void _tasks_do(Tasks * tasks)
{
unsigned long cnt = 0;
Window * windows = NULL;
int desktop;
unsigned long i;
char * name;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(_tasks_get_window_property(tasks, GDK_WINDOW_XID(tasks->root),
TASKS_ATOM__NET_CLIENT_LIST,
XA_WINDOW, &cnt, (void *)&windows) != 0)
return;
desktop = _tasks_get_current_desktop(tasks);
for(i = 0; i < tasks->tasks_cnt; i++)
tasks->tasks[i]->delete = TRUE;
for(i = 0; i < cnt; i++)
{
if(_do_typehint_normal(tasks, windows[i]) != 0)
continue;
if((name = _do_name(tasks, windows[i])) == NULL)
continue;
_do_tasks_add(tasks, desktop, windows[i], name, _do_pixbuf(
tasks, windows[i]));
g_free(name);
}
_do_tasks_clean(tasks);
XFree(windows);
}
static char * _do_name(Tasks * tasks, Window window)
{
char * ret;
if((ret = _do_name_utf8(tasks, window, TASKS_ATOM__NET_WM_VISIBLE_NAME))
!= NULL)
return ret;
if((ret = _do_name_utf8(tasks, window, TASKS_ATOM__NET_WM_NAME))
!= NULL)
return ret;
if((ret = _do_name_text(tasks, window, XA_WM_NAME)) != NULL)
return ret;
return g_strdup(_("(Untitled)"));
}
static char * _do_name_text(Tasks * tasks, Window window, Atom property)
{
char * ret = NULL;
if(_tasks_get_text_property(tasks, window, property, (void *)&ret) != 0)
return NULL;
return ret;
}
static char * _do_name_utf8(Tasks * tasks, Window window, Atom property)
{
char * ret = NULL;
char * str = NULL;
unsigned long cnt = 0;
if(_tasks_get_window_property(tasks, window, property,
tasks->atom[TASKS_ATOM_UTF8_STRING], &cnt,
(void *)&str) != 0)
return NULL;
if(g_utf8_validate(str, cnt, NULL))
ret = g_strndup(str, cnt);
XFree(str);
return ret;
}
static GdkPixbuf * _do_pixbuf(Tasks * tasks, Window window)
{
GdkPixbuf * ret;
unsigned long cnt = 0;
unsigned long * buf = NULL;
unsigned long i;
long width;
long height;
unsigned long size;
unsigned char * pixbuf = NULL;
unsigned long j;
GdkPixbuf * p;
unsigned long * best = NULL;
if(_tasks_get_window_property(tasks, window, TASKS_ATOM__NET_WM_ICON,
XA_CARDINAL, &cnt, (void *)&buf) != 0)
return NULL;
for(i = 0; i < cnt - 3; i += 2 + (width * height))
{
width = buf[i];
height = buf[i + 1];
if(i + 2 + (width * height) > cnt)
break;
if(width <= 0 || height <= 0 || width != height)
continue;
if(tasks->icon_width == width)
{
best = &buf[i];
break;
}
if(best == NULL || abs(best[0] - tasks->icon_width)
> abs(width - tasks->icon_width))
best = &buf[i];
}
if(best != NULL)
{
width = best[0];
height = best[1];
size = width * height * 4;
pixbuf = malloc(size);
}
if(best == NULL || pixbuf == NULL)
{
XFree(buf);
return NULL;
}
for(i = 2, j = 0; j < size; i++)
{
pixbuf[j++] = (best[i] >> 16) & 0xff; /* red */
pixbuf[j++] = (best[i] >> 8) & 0xff; /* green */
pixbuf[j++] = best[i] & 0xff; /* blue */
pixbuf[j++] = best[i] >> 24; /* alpha */
}
p = gdk_pixbuf_new_from_data(pixbuf, GDK_COLORSPACE_RGB, TRUE, 8, width,
height, width * 4, (GdkPixbufDestroyNotify)free, NULL);
XFree(buf);
if(width == tasks->icon_width)
return p;
ret = gdk_pixbuf_scale_simple(p, tasks->icon_width, tasks->icon_height,
GDK_INTERP_BILINEAR);
g_object_unref(p);
return ret;
}
static int _do_tasks_add(Tasks * tasks, int desktop, Window window,
char const * name, GdkPixbuf * pixbuf)
{
size_t i;
Task * p = NULL;
#ifndef EMBEDDED
unsigned long * l;
unsigned long cnt;
int cur = -1;
#endif
Task ** q;
#ifndef EMBEDDED
if(_tasks_get_window_property(tasks, window, TASKS_ATOM__NET_WM_DESKTOP,
XA_CARDINAL, &cnt, (void *)&l) == 0)
{
if(cnt == 1)
cur = *l;
XFree(l);
}
if(cur >= 0 && cur != desktop)
return 0;
#endif
for(i = 0; i < tasks->tasks_cnt; i++)
if(tasks->tasks[i]->window == window)
break;
if(i < tasks->tasks_cnt) /* found the task */
{
p = tasks->tasks[i];
_task_set(p, name, pixbuf);
p->delete = FALSE;
return 0;
}
if((q = realloc(tasks->tasks, (tasks->tasks_cnt + 1) * sizeof(*q)))
== NULL)
return 1;
tasks->tasks = q;
if((p = _task_new(tasks, tasks->label, tasks->reorder, window, name,
pixbuf)) == NULL)
return 1;
tasks->tasks[tasks->tasks_cnt++] = p;
gtk_widget_show_all(p->widget);
gtk_box_pack_start(GTK_BOX(tasks->hbox), p->widget, FALSE, TRUE, 0);
if(tasks->reorder)
gtk_box_reorder_child(GTK_BOX(tasks->hbox), p->widget, 0);
return 0;
}
static void _do_tasks_clean(Tasks * tasks)
{
size_t i;
size_t cnt;
size_t j;
Task ** q;
for(i = 0, cnt = tasks->tasks_cnt; i < cnt;)
{
if(tasks->tasks[i]->delete == FALSE)
{
i++;
continue;
}
_task_delete(tasks->tasks[i]);
cnt--;
for(j = i; j < cnt; j++)
tasks->tasks[j] = tasks->tasks[j + 1];
if((q = realloc(tasks->tasks, cnt * sizeof(*q))) != NULL
|| cnt == 0)
tasks->tasks = q;
}
tasks->tasks_cnt = cnt;
}
static int _do_typehint_normal(Tasks * tasks, Window window)
{
Atom typehint;
Atom * p;
unsigned long cnt = 0;
if(_tasks_get_window_property(tasks, window,
TASKS_ATOM__NET_WM_WINDOW_TYPE, XA_ATOM, &cnt,
(void *)&p) == 0)
{
typehint = *p;
XFree(p);
return typehint == tasks->atom[
TASKS_ATOM__NET_WM_WINDOW_TYPE_NORMAL] ? 0 : 1;
}
/* FIXME return 1 if WM_TRANSIENT_FOR is set */
return 0;
}
/* callbacks */
/* task_on_button_press */
static gboolean _task_on_button_press(GtkWidget * widget,
GdkEventButton * event, gpointer data)
{
(void) widget;
if(event->button != 3 || event->type != GDK_BUTTON_PRESS)
return FALSE;
_task_on_popup(data);
return TRUE;
}
/* task_on_clicked */
static void _clicked_activate(Task * task);
static void _task_on_clicked(gpointer data)
{
Task * task = data;
_clicked_activate(task);
if(task->reorder)
gtk_box_reorder_child(GTK_BOX(task->tasks->hbox), task->widget,
0);
}
static void _clicked_activate(Task * task)
{
GdkDisplay * display;
XEvent xev;
#ifdef DEBUG
int res;
#endif
display = task->tasks->display;
memset(&xev, 0, sizeof(xev));
xev.xclient.type = ClientMessage;
xev.xclient.window = task->window;
xev.xclient.message_type = task->tasks->atom[
TASKS_ATOM__NET_ACTIVE_WINDOW];
xev.xclient.format = 32;
xev.xclient.data.l[0] = 2;
xev.xclient.data.l[1] = gdk_x11_display_get_user_time(display);
xev.xclient.data.l[2] = 0;
gdk_error_trap_push();
#ifdef DEBUG
res =
#endif
XSendEvent(GDK_DISPLAY_XDISPLAY(display),
GDK_WINDOW_XID(task->tasks->root), False,
SubstructureNotifyMask | SubstructureRedirectMask,
&xev);
#ifdef DEBUG
if(gdk_error_trap_pop() != 0 || res != Success)
fprintf(stderr, "DEBUG: %s() error\n", __func__);
#else
gdk_error_trap_pop_ignored();
#endif
}
/* task_on_delete_event */
static gboolean _task_on_delete_event(gpointer data)
{
Task * task = data;
task->widget = NULL;
return FALSE;
}
/* task_on_filter */
static GdkFilterReturn _task_on_filter(GdkXEvent * xevent, GdkEvent * event,
gpointer data)
{
Tasks * tasks = data;
XEvent * xev = xevent;
(void) event;
if(xev->type != PropertyNotify)
return GDK_FILTER_CONTINUE;
if(xev->xproperty.atom != tasks->atom[TASKS_ATOM__NET_CLIENT_LIST]
#ifndef EMBEDDED
&& xev->xproperty.atom
!= tasks->atom[TASKS_ATOM__NET_CURRENT_DESKTOP]
#endif
)
return GDK_FILTER_CONTINUE;
_tasks_do(tasks);
return GDK_FILTER_CONTINUE;
}
/* task_on_popup */
static gboolean _task_on_popup(gpointer data)
{
Task * task = data;
unsigned long cnt = 0;
unsigned long * buf = NULL;
unsigned long i;
const struct {
TasksAtom atom;
void (*callback)(gpointer data);
char const * stock;
char const * label;
} items[] = {
{ TASKS_ATOM__NET_WM_ACTION_MOVE, _task_on_popup_move, NULL,
N_("Move") },
{ TASKS_ATOM__NET_WM_ACTION_RESIZE, _task_on_popup_resize, NULL,
N_("Resize") },
{ TASKS_ATOM__NET_WM_ACTION_MINIMIZE, _task_on_popup_minimize,
NULL, N_("Minimize") },
{ TASKS_ATOM__NET_WM_ACTION_SHADE, _task_on_popup_shade, NULL,
N_("Shade") },
{ TASKS_ATOM__NET_WM_ACTION_STICK, _task_on_popup_stick, NULL,
N_("Stick") },
{ TASKS_ATOM__NET_WM_ACTION_MAXIMIZE_HORZ,
_task_on_popup_maximize_horz, NULL,
N_("Maximize horizontally") },
{ TASKS_ATOM__NET_WM_ACTION_MAXIMIZE_VERT,
_task_on_popup_maximize_vert, NULL,
N_("Maximize vertically") },
{ TASKS_ATOM__NET_WM_ACTION_FULLSCREEN, _task_on_popup_fullscreen,
GTK_STOCK_FULLSCREEN, N_("Fullscreen") },
{ TASKS_ATOM__NET_WM_ACTION_CHANGE_DESKTOP,
_task_on_popup_change_desktop, NULL,
N_("Change desktop") },
{ TASKS_ATOM__NET_WM_ACTION_CLOSE, _task_on_popup_close,
GTK_STOCK_CLOSE, N_("Close") }
};
const size_t items_cnt = sizeof(items) / sizeof(*items);
size_t j;
GtkWidget * menu = NULL;
GtkWidget * menuitem;
int max = 0;
if(_tasks_get_window_property(task->tasks, task->window,
TASKS_ATOM__NET_WM_ALLOWED_ACTIONS, XA_ATOM,
&cnt, (void *)&buf) != 0)
return FALSE;
for(i = 0; i < cnt; i++)
{
for(j = 0; j < items_cnt; j++)
if(buf[i] == task->tasks->atom[items[j].atom])
break;
if(j == items_cnt)
continue;
if(items[j].atom == TASKS_ATOM__NET_WM_ACTION_CHANGE_DESKTOP)
continue; /* FIXME implement as a special case */
if(menu == NULL)
menu = gtk_menu_new();
if(items[j].stock != NULL)
#if GTK_CHECK_VERSION(3, 10, 0)
{
menuitem = gtk_image_menu_item_new_with_label(
items[j].label);
gtk_image_menu_item_set_image(
GTK_IMAGE_MENU_ITEM(menuitem),
gtk_image_new_from_icon_name(
items[j].stock,
GTK_ICON_SIZE_MENU));
}
#else
menuitem = gtk_image_menu_item_new_from_stock(
items[j].stock, NULL);
#endif
else
menuitem = gtk_menu_item_new_with_label(
_(items[j].label));
g_signal_connect_swapped(menuitem, "activate", G_CALLBACK(
items[j].callback), task);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
/* maximizing horizontally and vertically */
if(items[j].atom != TASKS_ATOM__NET_WM_ACTION_MAXIMIZE_VERT
&& items[j].atom
!= TASKS_ATOM__NET_WM_ACTION_MAXIMIZE_HORZ)
continue;
if(max++ != 1)
continue;
menuitem = gtk_menu_item_new_with_label(_("Maximize"));
g_signal_connect_swapped(menuitem, "activate", G_CALLBACK(
_task_on_popup_maximize), task);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
XFree(buf);
if(menu == NULL)
return FALSE;
gtk_widget_show_all(menu);
gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, task, 2,
gtk_get_current_event_time());
return TRUE;
}
/* task_on_popup_change_desktop */
static void _task_on_popup_change_desktop(gpointer data)
{
/* FIXME implement */
}
/* task_on_popup_close */
static void _task_on_popup_close(gpointer data)
{
Task * task = data;
GdkDisplay * display;
XEvent xev;
display = task->tasks->display;
memset(&xev, 0, sizeof(xev));
xev.xclient.type = ClientMessage;
xev.xclient.window = task->window;
xev.xclient.message_type = task->tasks->atom[
TASKS_ATOM__NET_CLOSE_WINDOW];
xev.xclient.format = 32;
xev.xclient.data.l[0] = gdk_x11_display_get_user_time(display);
xev.xclient.data.l[1] = 2;
gdk_error_trap_push();
XSendEvent(GDK_DISPLAY_XDISPLAY(display),
GDK_WINDOW_XID(task->tasks->root), False,
SubstructureNotifyMask | SubstructureRedirectMask,
&xev);
gdk_error_trap_pop_ignored();
}
/* task_on_popup_fullscreen */
static void _task_on_popup_fullscreen(gpointer data)
{
Task * task = data;
_task_toggle_state(task, TASKS_ATOM__NET_WM_STATE_FULLSCREEN);
}
/* task_on_popup_maximize */
static void _task_on_popup_maximize(gpointer data)
{
Task * task = data;
_task_toggle_state2(task, TASKS_ATOM__NET_WM_STATE_MAXIMIZED_HORZ,
TASKS_ATOM__NET_WM_STATE_MAXIMIZED_VERT);
}
/* task_on_popup_maximize_hort */
static void _task_on_popup_maximize_horz(gpointer data)
{
Task * task = data;
_task_toggle_state(task, TASKS_ATOM__NET_WM_STATE_MAXIMIZED_HORZ);
}
/* task_on_popup_maximize_vert */
static void _task_on_popup_maximize_vert(gpointer data)
{
Task * task = data;
_task_toggle_state(task, TASKS_ATOM__NET_WM_STATE_MAXIMIZED_VERT);
}
/* task_on_popup_minimize */
static void _task_on_popup_minimize(gpointer data)
{
Task * task = data;
gdk_error_trap_push();
XIconifyWindow(GDK_DISPLAY_XDISPLAY(task->tasks->display), task->window,
gdk_x11_screen_get_screen_number(task->tasks->screen));
gdk_error_trap_pop_ignored();
}
/* task_on_popup_move */
static void _task_on_popup_move(gpointer data)
{
Task * task = data;
Tasks * tasks = task->tasks;
GdkDisplay * display;
XEvent xev;
display = tasks->display;
memset(&xev, 0, sizeof(xev));
xev.xclient.type = ClientMessage;
xev.xclient.window = task->window;
xev.xclient.message_type = tasks->atom[TASKS_ATOM__NET_WM_MOVERESIZE];
xev.xclient.format = 32;
memset(&xev.xclient.data, 0, sizeof(xev.xclient.data));
xev.xclient.data.l[2] = _NET_WM_MOVERESIZE_MOVE_KEYBOARD;
xev.xclient.data.l[3] = 1; /* XXX may not always be the case */
xev.xclient.data.l[4] = 2;
gdk_error_trap_push();
XSendEvent(GDK_DISPLAY_XDISPLAY(display),
GDK_WINDOW_XID(tasks->root), False,
SubstructureNotifyMask | SubstructureRedirectMask,
&xev);
gdk_error_trap_pop_ignored();
}
/* task_on_popup_resize */
static void _task_on_popup_resize(gpointer data)
{
Task * task = data;
Tasks * tasks = task->tasks;
GdkDisplay * display;
XEvent xev;
display = tasks->display;
memset(&xev, 0, sizeof(xev));
xev.xclient.type = ClientMessage;
xev.xclient.window = task->window;
xev.xclient.message_type = tasks->atom[TASKS_ATOM__NET_WM_MOVERESIZE];
xev.xclient.format = 32;
memset(&xev.xclient.data, 0, sizeof(xev.xclient.data));
xev.xclient.data.l[2] = _NET_WM_MOVERESIZE_SIZE_KEYBOARD;
xev.xclient.data.l[3] = 1; /* XXX may not always be the case */
xev.xclient.data.l[4] = 2;
gdk_error_trap_push();
XSendEvent(GDK_DISPLAY_XDISPLAY(display),
GDK_WINDOW_XID(tasks->root), False,
SubstructureNotifyMask | SubstructureRedirectMask,
&xev);
gdk_error_trap_pop_ignored();
}
/* task_on_popup_shade */
static void _task_on_popup_shade(gpointer data)
{
Task * task = data;
_task_toggle_state(task, TASKS_ATOM__NET_WM_STATE_SHADED);
}
/* task_on_popup_stick */
static void _task_on_popup_stick(gpointer data)
{
Task * task = data;
_task_toggle_state(task, TASKS_ATOM__NET_WM_STATE_STICKY);
}
/* task_on_screen_changed */
static void _task_on_screen_changed(GtkWidget * widget, GdkScreen * previous,
gpointer data)
{
Tasks * tasks = data;
GdkEventMask events;
size_t i;
(void) previous;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(tasks->root != NULL)
gdk_window_remove_filter(tasks->root, _task_on_filter, tasks);
tasks->screen = gtk_widget_get_screen(widget);
tasks->display = gdk_screen_get_display(tasks->screen);
tasks->root = gdk_screen_get_root_window(tasks->screen);
events = gdk_window_get_events(tasks->root);
gdk_window_set_events(tasks->root, events | GDK_PROPERTY_CHANGE_MASK);
gdk_window_add_filter(tasks->root, _task_on_filter, tasks);
/* atoms */
for(i = 0; i < TASKS_ATOM_COUNT; i++)
tasks->atom[i] = gdk_x11_get_xatom_by_name_for_display(
tasks->display, _tasks_atom[i]);
_tasks_do(tasks);
}