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-rw-r--r--clients/desktop-shell.c1323
1 files changed, 1323 insertions, 0 deletions
diff --git a/clients/desktop-shell.c b/clients/desktop-shell.c
new file mode 100644
index 00000000..599c0a5b
--- /dev/null
+++ b/clients/desktop-shell.c
@@ -0,0 +1,1323 @@
+/*
+ * Copyright © 2011 Kristian Høgsberg
+ * Copyright © 2011 Collabora, Ltd.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. The copyright holders make no representations
+ * about the suitability of this software for any purpose. It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <math.h>
+#include <cairo.h>
+#include <sys/wait.h>
+#include <sys/timerfd.h>
+#include <sys/epoll.h>
+#include <linux/input.h>
+#include <libgen.h>
+#include <ctype.h>
+#include <time.h>
+
+#include <wayland-client.h>
+#include "window.h"
+#include "../shared/cairo-util.h"
+#include "../shared/config-parser.h"
+
+#include "desktop-shell-client-protocol.h"
+
+extern char **environ; /* defined by libc */
+
+struct desktop {
+ struct display *display;
+ struct desktop_shell *shell;
+ uint32_t interface_version;
+ struct unlock_dialog *unlock_dialog;
+ struct task unlock_task;
+ struct wl_list outputs;
+
+ struct window *grab_window;
+ struct widget *grab_widget;
+
+ struct weston_config *config;
+ int locking;
+
+ enum cursor_type grab_cursor;
+
+ int painted;
+};
+
+struct surface {
+ void (*configure)(void *data,
+ struct desktop_shell *desktop_shell,
+ uint32_t edges, struct window *window,
+ int32_t width, int32_t height);
+};
+
+struct panel {
+ struct surface base;
+ struct window *window;
+ struct widget *widget;
+ struct wl_list launcher_list;
+ struct panel_clock *clock;
+ int painted;
+ uint32_t color;
+};
+
+struct background {
+ struct surface base;
+ struct window *window;
+ struct widget *widget;
+ int painted;
+
+ char *image;
+ int type;
+ uint32_t color;
+};
+
+struct output {
+ struct wl_output *output;
+ struct wl_list link;
+
+ 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 task clock_task;
+ int clock_fd;
+};
+
+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 void
+menu_func(struct window *window, int index, void *data)
+{
+ printf("Selected index %d from a panel menu.\n", index);
+}
+
+static void
+show_menu(struct panel *panel, struct input *input, uint32_t time)
+{
+ int32_t x, y;
+ static const char *entries[] = {
+ "Roy", "Pris", "Leon", "Zhora"
+ };
+
+ input_get_position(input, &x, &y);
+ window_show_menu(window_get_display(panel->window),
+ input, time, panel->window,
+ x - 10, y - 10, menu_func, entries, 4);
+}
+
+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;
+
+ if (desktop->interface_version >= 2)
+ 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: %m\n");
+ return;
+ }
+
+ if (pid)
+ return;
+
+ argv = widget->argv.data;
+ if (execve(argv[0], argv, widget->envp.data) < 0) {
+ fprintf(stderr, "execl '%s' failed: %m\n", argv[0]);
+ 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);
+ 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 task *task, uint32_t events)
+{
+ struct panel_clock *clock =
+ container_of(task, struct panel_clock, clock_task);
+ uint64_t exp;
+
+ if (read(clock->clock_fd, &exp, sizeof exp) != sizeof exp)
+ abort();
+ 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;
+ cairo_font_extents_t font_extents;
+ time_t rawtime;
+ struct tm * timeinfo;
+ char string[128];
+
+ time(&rawtime);
+ timeinfo = localtime(&rawtime);
+ strftime(string, sizeof string, "%a %b %d, %I:%M %p", timeinfo);
+
+ widget_get_allocation(widget, &allocation);
+ if (allocation.width == 0)
+ return;
+
+ cr = widget_cairo_create(clock->panel->widget);
+ cairo_select_font_face(cr, "sans",
+ CAIRO_FONT_SLANT_NORMAL,
+ CAIRO_FONT_WEIGHT_NORMAL);
+ cairo_set_font_size(cr, 14);
+ cairo_text_extents(cr, string, &extents);
+ cairo_font_extents (cr, &font_extents);
+ cairo_move_to(cr, allocation.x + 5,
+ allocation.y + 3 * (allocation.height >> 2) + 1);
+ cairo_set_source_rgb(cr, 0, 0, 0);
+ cairo_show_text(cr, string);
+ cairo_move_to(cr, allocation.x + 4,
+ allocation.y + 3 * (allocation.height >> 2));
+ cairo_set_source_rgb(cr, 1, 1, 1);
+ 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 = 60;
+ its.it_interval.tv_nsec = 0;
+ its.it_value.tv_sec = 60;
+ its.it_value.tv_nsec = 0;
+ if (timerfd_settime(clock->clock_fd, 0, &its, NULL) < 0) {
+ fprintf(stderr, "could not set timerfd\n: %m");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+panel_destroy_clock(struct panel_clock *clock)
+{
+ widget_destroy(clock->widget);
+
+ close(clock->clock_fd);
+
+ free(clock);
+}
+
+static void
+panel_add_clock(struct panel *panel)
+{
+ struct panel_clock *clock;
+ int timerfd;
+
+ timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
+ if (timerfd < 0) {
+ fprintf(stderr, "could not create timerfd\n: %m");
+ return;
+ }
+
+ clock = xzalloc(sizeof *clock);
+ clock->panel = panel;
+ panel->clock = clock;
+ clock->clock_fd = timerfd;
+
+ clock->clock_task.run = clock_func;
+ display_watch_fd(window_get_display(panel->window), clock->clock_fd,
+ EPOLLIN, &clock->clock_task);
+ 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_button_handler(struct widget *widget,
+ struct input *input, uint32_t time,
+ uint32_t button,
+ enum wl_pointer_button_state state, void *data)
+{
+ struct panel *panel = data;
+
+ if (button == BTN_RIGHT && state == WL_POINTER_BUTTON_STATE_PRESSED)
+ show_menu(panel, input, time);
+}
+
+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, y, w, h;
+
+ x = 10;
+ y = 16;
+ wl_list_for_each(launcher, &panel->launcher_list, link) {
+ w = cairo_image_surface_get_width(launcher->icon);
+ h = cairo_image_surface_get_height(launcher->icon);
+ widget_set_allocation(launcher->widget,
+ x, y - h / 2, w + 1, h + 1);
+ x += w + 10;
+ }
+ h=20;
+ w=170;
+
+ if (panel->clock)
+ widget_set_allocation(panel->clock->widget,
+ width - w - 8, y - h / 2, w + 1, h + 1);
+}
+
+static void
+panel_configure(void *data,
+ struct desktop_shell *desktop_shell,
+ uint32_t edges, struct window *window,
+ int32_t width, int32_t height)
+{
+ struct surface *surface = window_get_user_data(window);
+ struct panel *panel = container_of(surface, struct panel, base);
+
+ window_schedule_resize(panel->window, width, 32);
+}
+
+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;
+
+ 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 panel *panel;
+ struct weston_config_section *s;
+
+ panel = xzalloc(sizeof *panel);
+
+ 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);
+ widget_set_button_handler(panel->widget, panel_button_handler);
+
+ panel_add_clock(panel);
+
+ s = weston_config_get_section(desktop->config, "shell", NULL, NULL);
+ weston_config_section_get_uint(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 = strdup(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
+};
+
+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;
+ struct display *display;
+ struct wl_region *opaque;
+
+ surface = window_get_surface(background->window);
+
+ cr = widget_cairo_create(background->widget);
+ cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
+ cairo_set_source_rgba(cr, 0.0, 0.0, 0.2, 1.0);
+ cairo_paint(cr);
+
+ widget_get_allocation(widget, &allocation);
+ image = NULL;
+ if (background->image)
+ image = load_cairo_surface(background->image);
+
+ 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);
+ 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);
+ break;
+ case BACKGROUND_TILE:
+ cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
+ break;
+ }
+
+ cairo_set_source(cr, pattern);
+ cairo_pattern_destroy (pattern);
+ cairo_surface_destroy(image);
+ } else {
+ set_hex_color(cr, background->color);
+ }
+
+ cairo_paint(cr);
+ cairo_destroy(cr);
+ cairo_surface_destroy(surface);
+
+ display = window_get_display(background->window);
+ opaque = wl_compositor_create_region(display_get_compositor(display));
+ wl_region_add(opaque, allocation.x, allocation.y,
+ allocation.width, allocation.height);
+ wl_surface_set_opaque_region(window_get_wl_surface(background->window), opaque);
+ wl_region_destroy(opaque);
+
+ background->painted = 1;
+ check_desktop_ready(background->window);
+}
+
+static void
+background_configure(void *data,
+ struct desktop_shell *desktop_shell,
+ uint32_t edges, struct window *window,
+ int32_t width, int32_t height)
+{
+ struct background *background =
+ (struct background *) window_get_user_data(window);
+
+ 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;
+
+ dialog = xzalloc(sizeof *dialog);
+
+ dialog->window = window_create_custom(display);
+ dialog->widget = 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);
+
+ desktop_shell_set_lock_surface(desktop->shell,
+ window_get_wl_surface(dialog->window));
+
+ 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);
+
+ desktop_shell_unlock(desktop->shell);
+ unlock_dialog_destroy(desktop->unlock_dialog);
+ desktop->unlock_dialog = NULL;
+}
+
+static void
+desktop_shell_configure(void *data,
+ struct 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 desktop_shell *desktop_shell)
+{
+ struct desktop *desktop = data;
+
+ if (!desktop->locking) {
+ 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 desktop_shell *desktop_shell,
+ uint32_t cursor)
+{
+ struct desktop *desktop = data;
+
+ switch (cursor) {
+ case DESKTOP_SHELL_CURSOR_NONE:
+ desktop->grab_cursor = CURSOR_BLANK;
+ break;
+ case DESKTOP_SHELL_CURSOR_BUSY:
+ desktop->grab_cursor = CURSOR_WATCH;
+ break;
+ case DESKTOP_SHELL_CURSOR_MOVE:
+ desktop->grab_cursor = CURSOR_DRAGGING;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_TOP:
+ desktop->grab_cursor = CURSOR_TOP;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM:
+ desktop->grab_cursor = CURSOR_BOTTOM;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_LEFT:
+ desktop->grab_cursor = CURSOR_LEFT;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_RIGHT:
+ desktop->grab_cursor = CURSOR_RIGHT;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_TOP_LEFT:
+ desktop->grab_cursor = CURSOR_TOP_LEFT;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_TOP_RIGHT:
+ desktop->grab_cursor = CURSOR_TOP_RIGHT;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_LEFT:
+ desktop->grab_cursor = CURSOR_BOTTOM_LEFT;
+ break;
+ case DESKTOP_SHELL_CURSOR_RESIZE_BOTTOM_RIGHT:
+ desktop->grab_cursor = CURSOR_BOTTOM_RIGHT;
+ break;
+ case DESKTOP_SHELL_CURSOR_ARROW:
+ default:
+ desktop->grab_cursor = CURSOR_LEFT_PTR;
+ }
+}
+
+static const struct 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 background *background;
+ struct weston_config_section *s;
+ char *type;
+
+ background = xzalloc(sizeof *background);
+ 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);
+ window_set_preferred_format(background->window,
+ WINDOW_PREFERRED_FORMAT_RGB565);
+
+ s = weston_config_get_section(desktop->config, "shell", NULL, NULL);
+ weston_config_section_get_string(s, "background-image",
+ &background->image,
+ DATADIR "/weston/pattern.png");
+ weston_config_section_get_uint(s, "background-color",
+ &background->color, 0xff002244);
+
+ weston_config_section_get_string(s, "background-type",
+ &type, "tile");
+ 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 {
+ 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);
+ 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)
+{
+ background_destroy(output->background);
+ 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;
+
+ window_set_buffer_transform(output->panel->window, transform);
+ 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;
+
+ window_set_buffer_scale(output->panel->window, scale);
+ 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;
+
+ output->panel = panel_create(desktop);
+ surface = window_get_wl_surface(output->panel->window);
+ desktop_shell_set_panel(desktop->shell,
+ output->output, surface);
+
+ output->background = background_create(desktop);
+ surface = window_get_wl_surface(output->background->window);
+ desktop_shell_set_background(desktop->shell,
+ output->output, surface);
+}
+
+static void
+create_output(struct desktop *desktop, uint32_t id)
+{
+ struct output *output;
+
+ output = calloc(1, sizeof *output);
+ if (!output)
+ return;
+
+ output->output =
+ display_bind(desktop->display, id, &wl_output_interface, 2);
+
+ 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
+global_handler(struct display *display, uint32_t id,
+ const char *interface, uint32_t version, void *data)
+{
+ struct desktop *desktop = data;
+
+ if (!strcmp(interface, "desktop_shell")) {
+ desktop->interface_version = (version < 2) ? version : 2;
+ desktop->shell = display_bind(desktop->display,
+ id, &desktop_shell_interface,
+ desktop->interface_version);
+ desktop_shell_add_listener(desktop->shell, &listener, desktop);
+ } else if (!strcmp(interface, "wl_output")) {
+ create_output(desktop, id);
+ }
+}
+
+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) {
+ /* add default launcher */
+ panel_add_launcher(panel,
+ DATADIR "/weston/terminal.png",
+ BINDIR "/weston-terminal");
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ struct desktop desktop = { 0 };
+ struct output *output;
+ struct weston_config_section *s;
+
+ desktop.unlock_task.run = unlock_dialog_finish;
+ wl_list_init(&desktop.outputs);
+
+ desktop.config = weston_config_parse("weston.ini");
+ s = weston_config_get_section(desktop.config, "shell", NULL, NULL);
+ weston_config_section_get_bool(s, "locking", &desktop.locking, 1);
+
+ desktop.display = display_create(&argc, argv);
+ if (desktop.display == NULL) {
+ fprintf(stderr, "failed to create display: %m\n");
+ return -1;
+ }
+
+ display_set_user_data(desktop.display, &desktop);
+ display_set_global_handler(desktop.display, global_handler);
+
+ /* Create panel and background for outputs processed before the shell
+ * global interface was processed */
+ 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);
+ desktop_shell_destroy(desktop.shell);
+ display_destroy(desktop.display);
+
+ return 0;
+}