You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
350 lines
8.7 KiB
350 lines
8.7 KiB
/*
|
|
* Copyright © 2011 Kristian Høgsberg
|
|
*
|
|
* 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 <linux/input.h>
|
|
|
|
#include "wayland-client.h"
|
|
#include "cairo-util.h"
|
|
#include "window.h"
|
|
|
|
#include <desktop-shell-client-protocol.h>
|
|
|
|
struct desktop {
|
|
struct display *display;
|
|
struct desktop_shell *shell;
|
|
struct panel *panel;
|
|
struct window *background;
|
|
const char *background_path;
|
|
};
|
|
|
|
struct panel {
|
|
struct window *window;
|
|
struct window *menu;
|
|
};
|
|
|
|
struct panel_item {
|
|
struct item *item;
|
|
struct panel *panel;
|
|
cairo_surface_t *icon;
|
|
int pressed;
|
|
const char *path;
|
|
};
|
|
|
|
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
|
|
show_menu(struct panel *panel, struct input *input)
|
|
{
|
|
int32_t x, y, width = 200, height = 200;
|
|
struct display *display;
|
|
|
|
input_get_position(input, &x, &y);
|
|
display = window_get_display(panel->window);
|
|
panel->menu = window_create_transient(display, panel->window,
|
|
x - 10, y - 10, width, height);
|
|
|
|
window_draw(panel->menu);
|
|
window_flush(panel->menu);
|
|
}
|
|
|
|
static void
|
|
panel_activate_item(struct panel *panel, struct panel_item *item)
|
|
{
|
|
pid_t pid;
|
|
|
|
pid = fork();
|
|
if (pid < 0) {
|
|
fprintf(stderr, "fork failed: %m\n");
|
|
return;
|
|
}
|
|
|
|
if (pid)
|
|
return;
|
|
|
|
if (execl(item->path, item->path, NULL) < 0) {
|
|
fprintf(stderr, "execl failed: %m\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
panel_draw_item(struct item *item, void *data)
|
|
{
|
|
cairo_t *cr = data;
|
|
struct panel_item *pi;
|
|
int x, y, width, height;
|
|
double dx, dy;
|
|
|
|
pi = item_get_user_data(item);
|
|
width = cairo_image_surface_get_width(pi->icon);
|
|
height = cairo_image_surface_get_height(pi->icon);
|
|
x = 0;
|
|
y = -height / 2;
|
|
if (pi->pressed) {
|
|
x++;
|
|
y++;
|
|
}
|
|
|
|
dx = x;
|
|
dy = y;
|
|
cairo_user_to_device(cr, &dx, &dy);
|
|
item_set_allocation(item, dx, dy, width, height);
|
|
|
|
cairo_set_source_surface(cr, pi->icon, x, y);
|
|
cairo_paint(cr);
|
|
|
|
if (window_get_focus_item(pi->panel->window) == item) {
|
|
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.4);
|
|
cairo_mask_surface(cr, pi->icon, x, y);
|
|
}
|
|
|
|
cairo_translate(cr, width + 10, 0);
|
|
}
|
|
|
|
static void
|
|
panel_redraw_handler(struct window *window, void *data)
|
|
{
|
|
cairo_surface_t *surface;
|
|
cairo_t *cr;
|
|
|
|
window_draw(window);
|
|
surface = window_get_surface(window);
|
|
cr = cairo_create(surface);
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
|
|
cairo_set_source_rgba(cr, 0.1, 0.1, 0.1, 0.9);
|
|
cairo_paint(cr);
|
|
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
|
|
cairo_translate(cr, 10, 32 / 2);
|
|
window_for_each_item(window, panel_draw_item, cr);
|
|
|
|
cairo_destroy(cr);
|
|
cairo_surface_destroy(surface);
|
|
window_flush(window);
|
|
}
|
|
|
|
static void
|
|
panel_item_focus_handler(struct window *window,
|
|
struct item *focus, void *data)
|
|
{
|
|
window_schedule_redraw(window);
|
|
}
|
|
|
|
static void
|
|
panel_button_handler(struct window *window,
|
|
struct input *input, uint32_t time,
|
|
int button, int state, void *data)
|
|
{
|
|
struct panel *panel = data;
|
|
struct panel_item *pi;
|
|
struct item *focus;
|
|
|
|
focus = window_get_focus_item(panel->window);
|
|
if (focus && button == BTN_LEFT) {
|
|
pi = item_get_user_data(focus);
|
|
window_schedule_redraw(panel->window);
|
|
if (state == 0)
|
|
panel_activate_item(panel, pi);
|
|
} else if (button == BTN_RIGHT) {
|
|
if (state)
|
|
show_menu(panel, input);
|
|
else
|
|
window_destroy(panel->menu);
|
|
}
|
|
}
|
|
|
|
static struct panel *
|
|
panel_create(struct display *display)
|
|
{
|
|
struct panel *panel;
|
|
|
|
panel = malloc(sizeof *panel);
|
|
memset(panel, 0, sizeof *panel);
|
|
|
|
panel->window = window_create(display, 0, 0);
|
|
|
|
window_set_title(panel->window, "panel");
|
|
window_set_decoration(panel->window, 0);
|
|
window_set_redraw_handler(panel->window, panel_redraw_handler);
|
|
window_set_custom(panel->window);
|
|
window_set_user_data(panel->window, panel);
|
|
window_set_button_handler(panel->window, panel_button_handler);
|
|
window_set_item_focus_handler(panel->window, panel_item_focus_handler);
|
|
|
|
return panel;
|
|
}
|
|
|
|
static void
|
|
panel_add_item(struct panel *panel, const char *icon, const char *path)
|
|
{
|
|
struct panel_item *item;
|
|
|
|
item = malloc(sizeof *item);
|
|
memset(item, 0, sizeof *item);
|
|
item->icon = cairo_image_surface_create_from_png(icon);
|
|
item->path = strdup(path);
|
|
item->panel = panel;
|
|
window_add_item(panel->window, item);
|
|
}
|
|
|
|
static void
|
|
background_draw(struct window *window, int width, int height, const char *path)
|
|
{
|
|
cairo_surface_t *surface, *image;
|
|
cairo_pattern_t *pattern;
|
|
cairo_matrix_t matrix;
|
|
cairo_t *cr;
|
|
double sx, sy;
|
|
|
|
window_set_child_size(window, width, height);
|
|
window_draw(window);
|
|
surface = window_get_surface(window);
|
|
|
|
cr = cairo_create(surface);
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
|
|
cairo_set_source_rgba(cr, 0.0, 0.0, 0.2, 1.0);
|
|
cairo_paint(cr);
|
|
|
|
if (path) {
|
|
image = load_jpeg(path);
|
|
pattern = cairo_pattern_create_for_surface(image);
|
|
sx = (double) cairo_image_surface_get_width(image) / width;
|
|
sy = (double) cairo_image_surface_get_height(image) / height;
|
|
cairo_matrix_init_scale(&matrix, sx, sy);
|
|
cairo_pattern_set_matrix(pattern, &matrix);
|
|
cairo_set_source(cr, pattern);
|
|
cairo_pattern_destroy (pattern);
|
|
cairo_paint(cr);
|
|
cairo_surface_destroy(image);
|
|
}
|
|
|
|
cairo_destroy(cr);
|
|
cairo_surface_destroy(surface);
|
|
window_flush(window);
|
|
}
|
|
|
|
static void
|
|
desktop_shell_configure(void *data,
|
|
struct desktop_shell *desktop_shell,
|
|
uint32_t time, uint32_t edges,
|
|
struct wl_surface *surface,
|
|
int32_t width, int32_t height)
|
|
{
|
|
struct desktop *desktop = data;
|
|
|
|
if (surface == window_get_wl_surface(desktop->panel->window)) {
|
|
window_set_child_size(desktop->panel->window, width, 32);
|
|
window_schedule_redraw(desktop->panel->window);
|
|
} else if (surface == window_get_wl_surface(desktop->background)) {
|
|
background_draw(desktop->background,
|
|
width, height, desktop->background_path);
|
|
}
|
|
}
|
|
|
|
static const struct desktop_shell_listener listener = {
|
|
desktop_shell_configure
|
|
};
|
|
|
|
static void
|
|
global_handler(struct wl_display *display, uint32_t id,
|
|
const char *interface, uint32_t version, void *data)
|
|
{
|
|
struct desktop *desktop = data;
|
|
|
|
if (!strcmp(interface, "desktop_shell")) {
|
|
desktop->shell =
|
|
wl_display_bind(display, id, &desktop_shell_interface);
|
|
desktop_shell_add_listener(desktop->shell, &listener, desktop);
|
|
}
|
|
}
|
|
|
|
static const struct {
|
|
const char *icon;
|
|
const char *path;
|
|
} launchers[] = {
|
|
{
|
|
"/usr/share/icons/gnome/24x24/apps/utilities-terminal.png",
|
|
"/usr/bin/gnome-terminal"
|
|
},
|
|
{
|
|
"/usr/share/icons/gnome/24x24/apps/utilities-terminal.png",
|
|
"./clients/terminal"
|
|
},
|
|
{
|
|
"/usr/share/icons/hicolor/24x24/apps/google-chrome.png",
|
|
"/usr/bin/google-chrome"
|
|
},
|
|
};
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
struct desktop desktop;
|
|
int i;
|
|
|
|
desktop.display = display_create(&argc, &argv, NULL);
|
|
if (desktop.display == NULL) {
|
|
fprintf(stderr, "failed to create display: %m\n");
|
|
return -1;
|
|
}
|
|
|
|
wl_display_add_global_listener(display_get_display(desktop.display),
|
|
global_handler, &desktop);
|
|
|
|
desktop.panel = panel_create(desktop.display);
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(launchers); i++)
|
|
panel_add_item(desktop.panel,
|
|
launchers[i].icon, launchers[i].path);
|
|
|
|
desktop_shell_set_panel(desktop.shell,
|
|
window_get_wl_surface(desktop.panel->window));
|
|
|
|
desktop.background = window_create(desktop.display, 0, 0);
|
|
window_set_decoration(desktop.background, 0);
|
|
window_set_custom(desktop.background);
|
|
desktop.background_path = argv[1];
|
|
desktop_shell_set_background(desktop.shell,
|
|
window_get_wl_surface(desktop.background));
|
|
|
|
signal(SIGCHLD, sigchild_handler);
|
|
|
|
display_run(desktop.display);
|
|
|
|
return 0;
|
|
}
|
|
|