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weston/clients/desktop-shell.c

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/*
* Copyright © 2011 Kristian Høgsberg
* Copyright © 2011 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <math.h>
#include <cairo.h>
#include <sys/wait.h>
#include <linux/input.h>
#include <libgen.h>
#include <ctype.h>
#include <time.h>
#include <assert.h>
#include <wayland-client.h>
#include "window.h"
#include "shared/cairo-util.h"
#include <libweston/config-parser.h>
#include "shared/helpers.h"
#include "shared/xalloc.h"
#include <libweston/zalloc.h>
#include "shared/file-util.h"
#include "weston-desktop-shell-client-protocol.h"
#define DEFAULT_CLOCK_FORMAT CLOCK_FORMAT_MINUTES
#define DEFAULT_SPACING 10
extern char **environ; /* defined by libc */
enum clock_format {
CLOCK_FORMAT_MINUTES,
CLOCK_FORMAT_SECONDS,
CLOCK_FORMAT_NONE
};
struct desktop {
struct display *display;
struct weston_desktop_shell *shell;
struct unlock_dialog *unlock_dialog;
struct task unlock_task;
struct wl_list outputs;
int want_panel;
enum weston_desktop_shell_panel_position panel_position;
enum clock_format clock_format;
struct window *grab_window;
struct widget *grab_widget;
struct weston_config *config;
bool locking;
enum cursor_type grab_cursor;
int painted;
};
struct surface {
void (*configure)(void *data,
struct weston_desktop_shell *desktop_shell,
uint32_t edges, struct window *window,
int32_t width, int32_t height);
};
struct output;
struct panel {
struct surface base;
struct output *owner;
struct window *window;
struct widget *widget;
struct wl_list launcher_list;
struct panel_clock *clock;
int painted;
enum weston_desktop_shell_panel_position panel_position;
enum clock_format clock_format;
uint32_t color;
};
struct background {
struct surface base;
struct output *owner;
struct window *window;
struct widget *widget;
int painted;
char *image;
int type;
uint32_t color;
};
struct output {
struct wl_output *output;
uint32_t server_output_id;
struct wl_list link;
int x;
int y;
struct panel *panel;
struct background *background;
};
struct panel_launcher {
struct widget *widget;
struct panel *panel;
cairo_surface_t *icon;
int focused, pressed;
char *path;
struct wl_list link;
struct wl_array envp;
struct wl_array argv;
};
struct panel_clock {
struct widget *widget;
struct panel *panel;
struct toytimer timer;
char *format_string;
time_t refresh_timer;
};
struct unlock_dialog {
struct window *window;
struct widget *widget;
struct widget *button;
int button_focused;
int closing;
struct desktop *desktop;
};
static void
panel_add_launchers(struct panel *panel, struct desktop *desktop);
static void
sigchild_handler(int s)
{
int status;
pid_t pid;
while (pid = waitpid(-1, &status, WNOHANG), pid > 0)
fprintf(stderr, "child %d exited\n", pid);
}
static int
is_desktop_painted(struct desktop *desktop)
{
struct output *output;
wl_list_for_each(output, &desktop->outputs, link) {
if (output->panel && !output->panel->painted)
return 0;
if (output->background && !output->background->painted)
return 0;
}
return 1;
}
static void
check_desktop_ready(struct window *window)
{
struct display *display;
struct desktop *desktop;
display = window_get_display(window);
desktop = display_get_user_data(display);
if (!desktop->painted && is_desktop_painted(desktop)) {
desktop->painted = 1;
weston_desktop_shell_desktop_ready(desktop->shell);
}
}
static void
panel_launcher_activate(struct panel_launcher *widget)
{
char **argv;
pid_t pid;
pid = fork();
if (pid < 0) {
fprintf(stderr, "fork failed: %s\n", strerror(errno));
return;
}
if (pid)
return;
argv = widget->argv.data;
if (setsid() == -1)
exit(EXIT_FAILURE);
if (execve(argv[0], argv, widget->envp.data) < 0) {
fprintf(stderr, "execl '%s' failed: %s\n", argv[0],
strerror(errno));
exit(1);
}
}
static void
panel_launcher_redraw_handler(struct widget *widget, void *data)
{
struct panel_launcher *launcher = data;
struct rectangle allocation;
cairo_t *cr;
cr = widget_cairo_create(launcher->panel->widget);
widget_get_allocation(widget, &allocation);
allocation.x += allocation.width / 2 -
cairo_image_surface_get_width(launcher->icon) / 2;
if (allocation.width > allocation.height)
allocation.x += allocation.width / 2 - allocation.height / 2;
allocation.y += allocation.height / 2 -
cairo_image_surface_get_height(launcher->icon) / 2;
if (allocation.height > allocation.width)
allocation.y += allocation.height / 2 - allocation.width / 2;
if (launcher->pressed) {
allocation.x++;
allocation.y++;
}
cairo_set_source_surface(cr, launcher->icon,
allocation.x, allocation.y);
cairo_paint(cr);
if (launcher->focused) {
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.4);
cairo_mask_surface(cr, launcher->icon,
allocation.x, allocation.y);
}
cairo_destroy(cr);
}
static int
panel_launcher_motion_handler(struct widget *widget, struct input *input,
uint32_t time, float x, float y, void *data)
{
struct panel_launcher *launcher = data;
widget_set_tooltip(widget, basename((char *)launcher->path), x, y);
return CURSOR_LEFT_PTR;
}
static void
set_hex_color(cairo_t *cr, uint32_t color)
{
cairo_set_source_rgba(cr,
((color >> 16) & 0xff) / 255.0,
((color >> 8) & 0xff) / 255.0,
((color >> 0) & 0xff) / 255.0,
((color >> 24) & 0xff) / 255.0);
}
static void
panel_redraw_handler(struct widget *widget, void *data)
{
cairo_surface_t *surface;
cairo_t *cr;
struct panel *panel = data;
cr = widget_cairo_create(panel->widget);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
set_hex_color(cr, panel->color);
cairo_paint(cr);
cairo_destroy(cr);
surface = window_get_surface(panel->window);
cairo_surface_destroy(surface);
panel->painted = 1;
check_desktop_ready(panel->window);
}
static int
panel_launcher_enter_handler(struct widget *widget, struct input *input,
float x, float y, void *data)
{
struct panel_launcher *launcher = data;
launcher->focused = 1;
widget_schedule_redraw(widget);
return CURSOR_LEFT_PTR;
}
static void
panel_launcher_leave_handler(struct widget *widget,
struct input *input, void *data)
{
struct panel_launcher *launcher = data;
launcher->focused = 0;
widget_destroy_tooltip(widget);
widget_schedule_redraw(widget);
}
static void
panel_launcher_button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button,
enum wl_pointer_button_state state, void *data)
{
struct panel_launcher *launcher;
launcher = widget_get_user_data(widget);
widget_schedule_redraw(widget);
if (state == WL_POINTER_BUTTON_STATE_RELEASED)
panel_launcher_activate(launcher);
}
static void
panel_launcher_touch_down_handler(struct widget *widget, struct input *input,
uint32_t serial, uint32_t time, int32_t id,
float x, float y, void *data)
{
struct panel_launcher *launcher;
launcher = widget_get_user_data(widget);
launcher->focused = 1;
widget_schedule_redraw(widget);
}
static void
panel_launcher_touch_up_handler(struct widget *widget, struct input *input,
uint32_t serial, uint32_t time, int32_t id,
void *data)
{
struct panel_launcher *launcher;
launcher = widget_get_user_data(widget);
launcher->focused = 0;
widget_schedule_redraw(widget);
panel_launcher_activate(launcher);
}
static void
clock_func(struct toytimer *tt)
{
struct panel_clock *clock = container_of(tt, struct panel_clock, timer);
widget_schedule_redraw(clock->widget);
}
static void
panel_clock_redraw_handler(struct widget *widget, void *data)
{
struct panel_clock *clock = data;
cairo_t *cr;
struct rectangle allocation;
cairo_text_extents_t extents;
time_t rawtime;
struct tm * timeinfo;
char string[128];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(string, sizeof string, clock->format_string, timeinfo);
widget_get_allocation(widget, &allocation);
if (allocation.width == 0)
return;
cr = widget_cairo_create(clock->panel->widget);
cairo_set_font_size(cr, 14);
cairo_text_extents(cr, string, &extents);
if (allocation.x > 0)
allocation.x +=
allocation.width - DEFAULT_SPACING * 1.5 - extents.width;
else
allocation.x +=
allocation.width / 2 - extents.width / 2;
allocation.y += allocation.height / 2 - 1 + extents.height / 2;
cairo_move_to(cr, allocation.x + 1, allocation.y + 1);
cairo_set_source_rgba(cr, 0, 0, 0, 0.85);
cairo_show_text(cr, string);
cairo_move_to(cr, allocation.x, allocation.y);
cairo_set_source_rgba(cr, 1, 1, 1, 0.85);
cairo_show_text(cr, string);
cairo_destroy(cr);
}
static int
clock_timer_reset(struct panel_clock *clock)
{
struct itimerspec its;
its.it_interval.tv_sec = clock->refresh_timer;
its.it_interval.tv_nsec = 0;
its.it_value.tv_sec = clock->refresh_timer;
its.it_value.tv_nsec = 0;
toytimer_arm(&clock->timer, &its);
return 0;
}
static void
panel_destroy_clock(struct panel_clock *clock)
{
widget_destroy(clock->widget);
toytimer_fini(&clock->timer);
free(clock);
}
static void
panel_add_clock(struct panel *panel)
{
struct panel_clock *clock;
clock = xzalloc(sizeof *clock);
clock->panel = panel;
panel->clock = clock;
switch (panel->clock_format) {
case CLOCK_FORMAT_MINUTES:
clock->format_string = "%a %b %d, %I:%M %p";
clock->refresh_timer = 60;
break;
case CLOCK_FORMAT_SECONDS:
clock->format_string = "%a %b %d, %I:%M:%S %p";
clock->refresh_timer = 1;
break;
case CLOCK_FORMAT_NONE:
assert(!"not reached");
}
toytimer_init(&clock->timer, CLOCK_MONOTONIC,
window_get_display(panel->window), clock_func);
clock_timer_reset(clock);
clock->widget = widget_add_widget(panel->widget, clock);
widget_set_redraw_handler(clock->widget, panel_clock_redraw_handler);
}
static void
panel_resize_handler(struct widget *widget,
int32_t width, int32_t height, void *data)
{
struct panel_launcher *launcher;
struct panel *panel = data;
int x = 0;
int y = 0;
int w = height > width ? width : height;
int h = w;
int horizontal = panel->panel_position == WESTON_DESKTOP_SHELL_PANEL_POSITION_TOP || panel->panel_position == WESTON_DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
int first_pad_h = horizontal ? 0 : DEFAULT_SPACING / 2;
int first_pad_w = horizontal ? DEFAULT_SPACING / 2 : 0;
wl_list_for_each(launcher, &panel->launcher_list, link) {
widget_set_allocation(launcher->widget, x, y,
w + first_pad_w + 1, h + first_pad_h + 1);
if (horizontal)
x += w + first_pad_w;
else
y += h + first_pad_h;
first_pad_h = first_pad_w = 0;
}
if (panel->clock_format == CLOCK_FORMAT_SECONDS)
w = 170;
else /* CLOCK_FORMAT_MINUTES */
w = 150;
if (horizontal)
x = width - w;
else
y = height - (h = DEFAULT_SPACING * 3);
if (panel->clock)
widget_set_allocation(panel->clock->widget,
x, y, w + 1, h + 1);
}
static void
panel_destroy(struct panel *panel);
static void
panel_configure(void *data,
struct weston_desktop_shell *desktop_shell,
uint32_t edges, struct window *window,
int32_t width, int32_t height)
{
struct desktop *desktop = data;
struct surface *surface = window_get_user_data(window);
struct panel *panel = container_of(surface, struct panel, base);
struct output *owner;
if (width < 1 || height < 1) {
/* Shell plugin configures 0x0 for redundant panel. */
owner = panel->owner;
panel_destroy(panel);
owner->panel = NULL;
return;
}
switch (desktop->panel_position) {
case WESTON_DESKTOP_SHELL_PANEL_POSITION_TOP:
case WESTON_DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
height = 32;
break;
case WESTON_DESKTOP_SHELL_PANEL_POSITION_LEFT:
case WESTON_DESKTOP_SHELL_PANEL_POSITION_RIGHT:
switch (desktop->clock_format) {
case CLOCK_FORMAT_NONE:
width = 32;
break;
case CLOCK_FORMAT_MINUTES:
width = 150;
break;
case CLOCK_FORMAT_SECONDS:
width = 170;
break;
}
break;
}
window_schedule_resize(panel->window, width, height);
}
static void
panel_destroy_launcher(struct panel_launcher *launcher)
{
wl_array_release(&launcher->argv);
wl_array_release(&launcher->envp);
free(launcher->path);
cairo_surface_destroy(launcher->icon);
widget_destroy(launcher->widget);
wl_list_remove(&launcher->link);
free(launcher);
}
static void
panel_destroy(struct panel *panel)
{
struct panel_launcher *tmp;
struct panel_launcher *launcher;
if (panel->clock)
panel_destroy_clock(panel->clock);
wl_list_for_each_safe(launcher, tmp, &panel->launcher_list, link)
panel_destroy_launcher(launcher);
widget_destroy(panel->widget);
window_destroy(panel->window);
free(panel);
}
static struct panel *
panel_create(struct desktop *desktop, struct output *output)
{
struct panel *panel;
struct weston_config_section *s;
panel = xzalloc(sizeof *panel);
panel->owner = output;
panel->base.configure = panel_configure;
panel->window = window_create_custom(desktop->display);
panel->widget = window_add_widget(panel->window, panel);
wl_list_init(&panel->launcher_list);
window_set_title(panel->window, "panel");
window_set_user_data(panel->window, panel);
widget_set_redraw_handler(panel->widget, panel_redraw_handler);
widget_set_resize_handler(panel->widget, panel_resize_handler);
panel->panel_position = desktop->panel_position;
panel->clock_format = desktop->clock_format;
if (panel->clock_format != CLOCK_FORMAT_NONE)
panel_add_clock(panel);
s = weston_config_get_section(desktop->config, "shell", NULL, NULL);
weston_config_section_get_color(s, "panel-color",
&panel->color, 0xaa000000);
panel_add_launchers(panel, desktop);
return panel;
}
static cairo_surface_t *
load_icon_or_fallback(const char *icon)
{
cairo_surface_t *surface = cairo_image_surface_create_from_png(icon);
cairo_status_t status;
cairo_t *cr;
status = cairo_surface_status(surface);
if (status == CAIRO_STATUS_SUCCESS)
return surface;
cairo_surface_destroy(surface);
fprintf(stderr, "ERROR loading icon from file '%s', error: '%s'\n",
icon, cairo_status_to_string(status));
/* draw fallback icon */
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
20, 20);
cr = cairo_create(surface);
cairo_set_source_rgba(cr, 0.8, 0.8, 0.8, 1);
cairo_paint(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
cairo_rectangle(cr, 0, 0, 20, 20);
cairo_move_to(cr, 4, 4);
cairo_line_to(cr, 16, 16);
cairo_move_to(cr, 4, 16);
cairo_line_to(cr, 16, 4);
cairo_stroke(cr);
cairo_destroy(cr);
return surface;
}
static void
panel_add_launcher(struct panel *panel, const char *icon, const char *path)
{
struct panel_launcher *launcher;
char *start, *p, *eq, **ps;
int i, j, k;
launcher = xzalloc(sizeof *launcher);
launcher->icon = load_icon_or_fallback(icon);
launcher->path = xstrdup(path);
wl_array_init(&launcher->envp);
wl_array_init(&launcher->argv);
for (i = 0; environ[i]; i++) {
ps = wl_array_add(&launcher->envp, sizeof *ps);
*ps = environ[i];
}
j = 0;
start = launcher->path;
while (*start) {
for (p = start, eq = NULL; *p && !isspace(*p); p++)
if (*p == '=')
eq = p;
if (eq && j == 0) {
ps = launcher->envp.data;
for (k = 0; k < i; k++)
if (strncmp(ps[k], start, eq - start) == 0) {
ps[k] = start;
break;
}
if (k == i) {
ps = wl_array_add(&launcher->envp, sizeof *ps);
*ps = start;
i++;
}
} else {
ps = wl_array_add(&launcher->argv, sizeof *ps);
*ps = start;
j++;
}
while (*p && isspace(*p))
*p++ = '\0';
start = p;
}
ps = wl_array_add(&launcher->envp, sizeof *ps);
*ps = NULL;
ps = wl_array_add(&launcher->argv, sizeof *ps);
*ps = NULL;
launcher->panel = panel;
wl_list_insert(panel->launcher_list.prev, &launcher->link);
launcher->widget = widget_add_widget(panel->widget, launcher);
widget_set_enter_handler(launcher->widget,
panel_launcher_enter_handler);
widget_set_leave_handler(launcher->widget,
panel_launcher_leave_handler);
widget_set_button_handler(launcher->widget,
panel_launcher_button_handler);
widget_set_touch_down_handler(launcher->widget,
panel_launcher_touch_down_handler);
widget_set_touch_up_handler(launcher->widget,
panel_launcher_touch_up_handler);
widget_set_redraw_handler(launcher->widget,
panel_launcher_redraw_handler);
widget_set_motion_handler(launcher->widget,
panel_launcher_motion_handler);
}
enum {
BACKGROUND_SCALE,
BACKGROUND_SCALE_CROP,
BACKGROUND_TILE,
BACKGROUND_CENTERED
};
static void
background_draw(struct widget *widget, void *data)
{
struct background *background = data;
cairo_surface_t *surface, *image;
cairo_pattern_t *pattern;
cairo_matrix_t matrix;
cairo_t *cr;
double im_w, im_h;
double sx, sy, s;
double tx, ty;
struct rectangle allocation;
surface = window_get_surface(background->window);
cr = widget_cairo_create(background->widget);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
if (background->color == 0)
cairo_set_source_rgba(cr, 0.0, 0.0, 0.2, 1.0);
else
set_hex_color(cr, background->color);
cairo_paint(cr);
widget_get_allocation(widget, &allocation);
image = NULL;
if (background->image)
image = load_cairo_surface(background->image);
else if (background->color == 0) {
char *name = file_name_with_datadir("pattern.png");
image = load_cairo_surface(name);
free(name);
}
if (image && background->type != -1) {
im_w = cairo_image_surface_get_width(image);
im_h = cairo_image_surface_get_height(image);
sx = im_w / allocation.width;
sy = im_h / allocation.height;
pattern = cairo_pattern_create_for_surface(image);
switch (background->type) {
case BACKGROUND_SCALE:
cairo_matrix_init_scale(&matrix, sx, sy);
cairo_pattern_set_matrix(pattern, &matrix);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);
break;
case BACKGROUND_SCALE_CROP:
s = (sx < sy) ? sx : sy;
/* align center */
tx = (im_w - s * allocation.width) * 0.5;
ty = (im_h - s * allocation.height) * 0.5;
cairo_matrix_init_translate(&matrix, tx, ty);
cairo_matrix_scale(&matrix, s, s);
cairo_pattern_set_matrix(pattern, &matrix);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);
break;
case BACKGROUND_TILE:
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
break;
case BACKGROUND_CENTERED:
s = (sx < sy) ? sx : sy;
if (s < 1.0)
s = 1.0;
/* align center */
tx = (im_w - s * allocation.width) * 0.5;
ty = (im_h - s * allocation.height) * 0.5;
cairo_matrix_init_translate(&matrix, tx, ty);
cairo_matrix_scale(&matrix, s, s);
cairo_pattern_set_matrix(pattern, &matrix);
break;
}
cairo_set_source(cr, pattern);
cairo_pattern_destroy (pattern);
cairo_surface_destroy(image);
cairo_mask(cr, pattern);
}
cairo_destroy(cr);
cairo_surface_destroy(surface);
background->painted = 1;
check_desktop_ready(background->window);
}
static void
background_destroy(struct background *background);
static void
background_configure(void *data,
struct weston_desktop_shell *desktop_shell,
uint32_t edges, struct window *window,
int32_t width, int32_t height)
{
struct output *owner;
struct background *background =
(struct background *) window_get_user_data(window);
if (width < 1 || height < 1) {
/* Shell plugin configures 0x0 for redundant background. */
owner = background->owner;
background_destroy(background);
owner->background = NULL;
return;
}
if (!background->image) {
widget_set_viewport_destination(background->widget, width, height);
width = 1;
height = 1;
}
widget_schedule_resize(background->widget, width, height);
}
static void
unlock_dialog_redraw_handler(struct widget *widget, void *data)
{
struct unlock_dialog *dialog = data;
struct rectangle allocation;
cairo_surface_t *surface;
cairo_t *cr;
cairo_pattern_t *pat;
double cx, cy, r, f;
cr = widget_cairo_create(widget);
widget_get_allocation(dialog->widget, &allocation);
cairo_rectangle(cr, allocation.x, allocation.y,
allocation.width, allocation.height);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(cr, 0, 0, 0, 0.6);
cairo_fill(cr);
cairo_translate(cr, allocation.x, allocation.y);
if (dialog->button_focused)
f = 1.0;
else
f = 0.7;
cx = allocation.width / 2.0;
cy = allocation.height / 2.0;
r = (cx < cy ? cx : cy) * 0.4;
pat = cairo_pattern_create_radial(cx, cy, r * 0.7, cx, cy, r);
cairo_pattern_add_color_stop_rgb(pat, 0.0, 0, 0.86 * f, 0);
cairo_pattern_add_color_stop_rgb(pat, 0.85, 0.2 * f, f, 0.2 * f);
cairo_pattern_add_color_stop_rgb(pat, 1.0, 0, 0.86 * f, 0);
cairo_set_source(cr, pat);
cairo_pattern_destroy(pat);
cairo_arc(cr, cx, cy, r, 0.0, 2.0 * M_PI);
cairo_fill(cr);
widget_set_allocation(dialog->button,
allocation.x + cx - r,
allocation.y + cy - r, 2 * r, 2 * r);
cairo_destroy(cr);
surface = window_get_surface(dialog->window);
cairo_surface_destroy(surface);
}
static void
unlock_dialog_button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button,
enum wl_pointer_button_state state, void *data)
{
struct unlock_dialog *dialog = data;
struct desktop *desktop = dialog->desktop;
if (button == BTN_LEFT) {
if (state == WL_POINTER_BUTTON_STATE_RELEASED &&
!dialog->closing) {
display_defer(desktop->display, &desktop->unlock_task);
dialog->closing = 1;
}
}
}
static void
unlock_dialog_touch_down_handler(struct widget *widget, struct input *input,
uint32_t serial, uint32_t time, int32_t id,
float x, float y, void *data)
{
struct unlock_dialog *dialog = data;
dialog->button_focused = 1;
widget_schedule_redraw(widget);
}
static void
unlock_dialog_touch_up_handler(struct widget *widget, struct input *input,
uint32_t serial, uint32_t time, int32_t id,
void *data)
{
struct unlock_dialog *dialog = data;
struct desktop *desktop = dialog->desktop;
dialog->button_focused = 0;
widget_schedule_redraw(widget);
display_defer(desktop->display, &desktop->unlock_task);
dialog->closing = 1;
}
static void
unlock_dialog_keyboard_focus_handler(struct window *window,
struct input *device, void *data)
{
window_schedule_redraw(window);
}
static int
unlock_dialog_widget_enter_handler(struct widget *widget,
struct input *input,
float x, float y, void *data)
{
struct unlock_dialog *dialog = data;
dialog->button_focused = 1;
widget_schedule_redraw(widget);
return CURSOR_LEFT_PTR;
}
static void
unlock_dialog_widget_leave_handler(struct widget *widget,
struct input *input, void *data)
{
struct unlock_dialog *dialog = data;
dialog->button_focused = 0;
widget_schedule_redraw(widget);
}
static struct unlock_dialog *
unlock_dialog_create(struct desktop *desktop)
{
struct display *display = desktop->display;
struct unlock_dialog *dialog;
struct wl_surface *surface;
dialog = xzalloc(sizeof *dialog);
dialog->window = window_create_custom(display);
dialog->widget = window_frame_create(dialog->window, dialog);
window_set_title(dialog->window, "Unlock your desktop");
window_set_user_data(dialog->window, dialog);
window_set_keyboard_focus_handler(dialog->window,
unlock_dialog_keyboard_focus_handler);
dialog->button = widget_add_widget(dialog->widget, dialog);
widget_set_redraw_handler(dialog->widget,
unlock_dialog_redraw_handler);
widget_set_enter_handler(dialog->button,
unlock_dialog_widget_enter_handler);
widget_set_leave_handler(dialog->button,
unlock_dialog_widget_leave_handler);
widget_set_button_handler(dialog->button,
unlock_dialog_button_handler);
widget_set_touch_down_handler(dialog->button,
unlock_dialog_touch_down_handler);
widget_set_touch_up_handler(dialog->button,
unlock_dialog_touch_up_handler);
surface = window_get_wl_surface(dialog->window);
weston_desktop_shell_set_lock_surface(desktop->shell, surface);
window_schedule_resize(dialog->window, 260, 230);
return dialog;
}
static void
unlock_dialog_destroy(struct unlock_dialog *dialog)
{
window_destroy(dialog->window);
free(dialog);
}
static void
unlock_dialog_finish(struct task *task, uint32_t events)
{
struct desktop *desktop =
container_of(task, struct desktop, unlock_task);
weston_desktop_shell_unlock(desktop->shell);
unlock_dialog_destroy(desktop->unlock_dialog);
desktop->unlock_dialog = NULL;
}
static void
desktop_shell_configure(void *data,
struct weston_desktop_shell *desktop_shell,
uint32_t edges,
struct wl_surface *surface,
int32_t width, int32_t height)
{
struct window *window = wl_surface_get_user_data(surface);
struct surface *s = window_get_user_data(window);
s->configure(data, desktop_shell, edges, window, width, height);
}
static void
desktop_shell_prepare_lock_surface(void *data,
struct weston_desktop_shell *desktop_shell)
{
struct desktop *desktop = data;
if (!desktop->locking) {
weston_desktop_shell_unlock(desktop->shell);
return;
}
if (!desktop->unlock_dialog) {
desktop->unlock_dialog = unlock_dialog_create(desktop);
desktop->unlock_dialog->desktop = desktop;
}
}
static void
desktop_shell_grab_cursor(void *data,
struct weston_desktop_shell *desktop_shell,
uint32_t cursor)
{
struct desktop *desktop = data;
switch (cursor) {
case WESTON_DESKTOP_SHELL_CURSOR_NONE:
desktop->grab_cursor = CURSOR_BLANK;
break;
case WESTON_DESKTOP_SHELL_CURSOR_BUSY:
desktop->grab_cursor = CURSOR_WATCH;
break;
case WESTON_DESKTOP_SHELL_CURSOR_MOVE:
desktop->grab_cursor = CURSOR_DRAGGING;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_TOP:
desktop->grab_cursor = CURSOR_TOP;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM:
desktop->grab_cursor = CURSOR_BOTTOM;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_LEFT:
desktop->grab_cursor = CURSOR_LEFT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_RIGHT:
desktop->grab_cursor = CURSOR_RIGHT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_TOP_LEFT:
desktop->grab_cursor = CURSOR_TOP_LEFT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_TOP_RIGHT:
desktop->grab_cursor = CURSOR_TOP_RIGHT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_LEFT:
desktop->grab_cursor = CURSOR_BOTTOM_LEFT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_RIGHT:
desktop->grab_cursor = CURSOR_BOTTOM_RIGHT;
break;
case WESTON_DESKTOP_SHELL_CURSOR_ARROW:
default:
desktop->grab_cursor = CURSOR_LEFT_PTR;
}
}
static const struct weston_desktop_shell_listener listener = {
desktop_shell_configure,
desktop_shell_prepare_lock_surface,
desktop_shell_grab_cursor
};
static void
background_destroy(struct background *background)
{
widget_destroy(background->widget);
window_destroy(background->window);
free(background->image);
free(background);
}
static struct background *
background_create(struct desktop *desktop, struct output *output)
{
struct background *background;
struct weston_config_section *s;
char *type;
background = xzalloc(sizeof *background);
background->owner = output;
background->base.configure = background_configure;
background->window = window_create_custom(desktop->display);
background->widget = window_add_widget(background->window, background);
window_set_user_data(background->window, background);
widget_set_redraw_handler(background->widget, background_draw);
widget_set_transparent(background->widget, 0);
s = weston_config_get_section(desktop->config, "shell", NULL, NULL);
weston_config_section_get_string(s, "background-image",
&background->image, NULL);
weston_config_section_get_color(s, "background-color",
&background->color, 0x00000000);
weston_config_section_get_string(s, "background-type",
&type, "tile");
if (type == NULL) {
fprintf(stderr, "%s: out of memory\n", program_invocation_short_name);
exit(EXIT_FAILURE);
}
if (strcmp(type, "scale") == 0) {
background->type = BACKGROUND_SCALE;
} else if (strcmp(type, "scale-crop") == 0) {
background->type = BACKGROUND_SCALE_CROP;
} else if (strcmp(type, "tile") == 0) {
background->type = BACKGROUND_TILE;
} else if (strcmp(type, "centered") == 0) {
background->type = BACKGROUND_CENTERED;
} else {
background->type = -1;
fprintf(stderr, "invalid background-type: %s\n",
type);
}
free(type);
return background;
}
static int
grab_surface_enter_handler(struct widget *widget, struct input *input,
float x, float y, void *data)
{
struct desktop *desktop = data;
return desktop->grab_cursor;
}
static void
grab_surface_destroy(struct desktop *desktop)
{
widget_destroy(desktop->grab_widget);
window_destroy(desktop->grab_window);
}
static void
grab_surface_create(struct desktop *desktop)
{
struct wl_surface *s;
desktop->grab_window = window_create_custom(desktop->display);
window_set_user_data(desktop->grab_window, desktop);
s = window_get_wl_surface(desktop->grab_window);
weston_desktop_shell_set_grab_surface(desktop->shell, s);
desktop->grab_widget =
window_add_widget(desktop->grab_window, desktop);
/* We set the allocation to 1x1 at 0,0 so the fake enter event
* at 0,0 will go to this widget. */
widget_set_allocation(desktop->grab_widget, 0, 0, 1, 1);
widget_set_enter_handler(desktop->grab_widget,
grab_surface_enter_handler);
}
static void
output_destroy(struct output *output)
{
if (output->background)
background_destroy(output->background);
if (output->panel)
panel_destroy(output->panel);
wl_output_destroy(output->output);
wl_list_remove(&output->link);
free(output);
}
static void
desktop_destroy_outputs(struct desktop *desktop)
{
struct output *tmp;
struct output *output;
wl_list_for_each_safe(output, tmp, &desktop->outputs, link)
output_destroy(output);
}
static void
output_handle_geometry(void *data,
struct wl_output *wl_output,
int x, int y,
int physical_width,
int physical_height,
int subpixel,
const char *make,
const char *model,
int transform)
{
struct output *output = data;
output->x = x;
output->y = y;
if (output->panel)
window_set_buffer_transform(output->panel->window, transform);
if (output->background)
window_set_buffer_transform(output->background->window, transform);
}
static void
output_handle_mode(void *data,
struct wl_output *wl_output,
uint32_t flags,
int width,
int height,
int refresh)
{
}
static void
output_handle_done(void *data,
struct wl_output *wl_output)
{
}
static void
output_handle_scale(void *data,
struct wl_output *wl_output,
int32_t scale)
{
struct output *output = data;
if (output->panel)
window_set_buffer_scale(output->panel->window, scale);
if (output->background)
window_set_buffer_scale(output->background->window, scale);
}
static const struct wl_output_listener output_listener = {
output_handle_geometry,
output_handle_mode,
output_handle_done,
output_handle_scale
};
static void
output_init(struct output *output, struct desktop *desktop)
{
struct wl_surface *surface;
if (desktop->want_panel) {
output->panel = panel_create(desktop, output);
surface = window_get_wl_surface(output->panel->window);
weston_desktop_shell_set_panel(desktop->shell,
output->output, surface);
}
output->background = background_create(desktop, output);
surface = window_get_wl_surface(output->background->window);
weston_desktop_shell_set_background(desktop->shell,
output->output, surface);
}
static void
create_output(struct desktop *desktop, uint32_t id)
{
struct output *output;
output = zalloc(sizeof *output);
if (!output)
return;
output->output =
display_bind(desktop->display, id, &wl_output_interface, 2);
output->server_output_id = id;
wl_output_add_listener(output->output, &output_listener, output);
wl_list_insert(&desktop->outputs, &output->link);
/* On start up we may process an output global before the shell global
* in which case we can't create the panel and background just yet */
if (desktop->shell)
output_init(output, desktop);
}
static void
output_remove(struct desktop *desktop, struct output *output)
{
struct output *cur;
struct output *rep = NULL;
if (!output->background) {
output_destroy(output);
return;
}
/* Find a wl_output that is a clone of the removed wl_output.
* We don't want to leave the clone without a background or panel. */
wl_list_for_each(cur, &desktop->outputs, link) {
if (cur == output)
continue;
/* XXX: Assumes size matches. */
if (cur->x == output->x && cur->y == output->y) {
rep = cur;
break;
}
}
if (rep) {
/* If found and it does not already have a background or panel,
* hand over the background and panel so they don't get
* destroyed.
*
* We never create multiple backgrounds or panels for clones,
* but if the compositor moves outputs, a pair of wl_outputs
* might become "clones". This may happen temporarily when
* an output is about to be removed and the rest are reflowed.
* In this case it is correct to let the background/panel be
* destroyed.
*/
if (!rep->background) {
rep->background = output->background;
output->background = NULL;
rep->background->owner = rep;
}
if (!rep->panel) {
rep->panel = output->panel;
output->panel = NULL;
if (rep->panel)
rep->panel->owner = rep;
}
}
output_destroy(output);
}
static void
global_handler(struct display *display, uint32_t id,
const char *interface, uint32_t version, void *data)
{
struct desktop *desktop = data;
if (!strcmp(interface, "weston_desktop_shell")) {
desktop->shell = display_bind(desktop->display,
id,
&weston_desktop_shell_interface,
1);
weston_desktop_shell_add_listener(desktop->shell,
&listener,
desktop);
} else if (!strcmp(interface, "wl_output")) {
create_output(desktop, id);
}
}
static void
global_handler_remove(struct display *display, uint32_t id,
const char *interface, uint32_t version, void *data)
{
struct desktop *desktop = data;
struct output *output;
if (!strcmp(interface, "wl_output")) {
wl_list_for_each(output, &desktop->outputs, link) {
if (output->server_output_id == id) {
output_remove(desktop, output);
break;
}
}
}
}
static void
panel_add_launchers(struct panel *panel, struct desktop *desktop)
{
struct weston_config_section *s;
char *icon, *path;
const char *name;
int count;
count = 0;
s = NULL;
while (weston_config_next_section(desktop->config, &s, &name)) {
if (strcmp(name, "launcher") != 0)
continue;
weston_config_section_get_string(s, "icon", &icon, NULL);
weston_config_section_get_string(s, "path", &path, NULL);
if (icon != NULL && path != NULL) {
panel_add_launcher(panel, icon, path);
count++;
} else {
fprintf(stderr, "invalid launcher section\n");
}
free(icon);
free(path);
}
if (count == 0) {
char *name = file_name_with_datadir("terminal.png");
/* add default launcher */
panel_add_launcher(panel,
name,
BINDIR "/weston-terminal");
free(name);
}
}
static void
parse_panel_position(struct desktop *desktop, struct weston_config_section *s)
{
char *position;
desktop->want_panel = 1;
weston_config_section_get_string(s, "panel-position", &position, "top");
if (strcmp(position, "top") == 0) {
desktop->panel_position = WESTON_DESKTOP_SHELL_PANEL_POSITION_TOP;
} else if (strcmp(position, "bottom") == 0) {
desktop->panel_position = WESTON_DESKTOP_SHELL_PANEL_POSITION_BOTTOM;
} else if (strcmp(position, "left") == 0) {
desktop->panel_position = WESTON_DESKTOP_SHELL_PANEL_POSITION_LEFT;
} else if (strcmp(position, "right") == 0) {
desktop->panel_position = WESTON_DESKTOP_SHELL_PANEL_POSITION_RIGHT;
} else {
/* 'none' is valid here */
if (strcmp(position, "none") != 0)
fprintf(stderr, "Wrong panel position: %s\n", position);
desktop->want_panel = 0;
}
free(position);
}
static void
parse_clock_format(struct desktop *desktop, struct weston_config_section *s)
{
char *clock_format;
weston_config_section_get_string(s, "clock-format", &clock_format, "");
if (strcmp(clock_format, "minutes") == 0)
desktop->clock_format = CLOCK_FORMAT_MINUTES;
else if (strcmp(clock_format, "seconds") == 0)
desktop->clock_format = CLOCK_FORMAT_SECONDS;
else if (strcmp(clock_format, "none") == 0)
desktop->clock_format = CLOCK_FORMAT_NONE;
else
desktop->clock_format = DEFAULT_CLOCK_FORMAT;
free(clock_format);
}
int main(int argc, char *argv[])
{
struct desktop desktop = { 0 };
struct output *output;
struct weston_config_section *s;
const char *config_file;
desktop.unlock_task.run = unlock_dialog_finish;
wl_list_init(&desktop.outputs);
config_file = weston_config_get_name_from_env();
desktop.config = weston_config_parse(config_file);
s = weston_config_get_section(desktop.config, "shell", NULL, NULL);
weston_config_section_get_bool(s, "locking", &desktop.locking, true);
parse_panel_position(&desktop, s);
parse_clock_format(&desktop, s);
desktop.display = display_create(&argc, argv);
if (desktop.display == NULL) {
fprintf(stderr, "failed to create display: %s\n",
strerror(errno));
return -1;
}
display_set_user_data(desktop.display, &desktop);
display_set_global_handler(desktop.display, global_handler);
display_set_global_handler_remove(desktop.display, global_handler_remove);
/* Create panel and background for outputs processed before the shell
* global interface was processed */
if (desktop.want_panel)
weston_desktop_shell_set_panel_position(desktop.shell, desktop.panel_position);
wl_list_for_each(output, &desktop.outputs, link)
if (!output->panel)
output_init(output, &desktop);
grab_surface_create(&desktop);
signal(SIGCHLD, sigchild_handler);
display_run(desktop.display);
/* Cleanup */
grab_surface_destroy(&desktop);
desktop_destroy_outputs(&desktop);
if (desktop.unlock_dialog)
unlock_dialog_destroy(desktop.unlock_dialog);
weston_desktop_shell_destroy(desktop.shell);
display_destroy(desktop.display);
return 0;
}
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