363 lines
10 KiB
C
363 lines
10 KiB
C
/*
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* Copyright © 2011 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "window.h"
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#include "cairo-util.h"
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#include "../shared/config-parser.h"
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#include "tablet-shell-client-protocol.h"
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struct tablet_shell {
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struct display *display;
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struct tablet_shell *tablet_shell;
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struct rectangle allocation;
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struct window *lockscreen;
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struct window *switcher;
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struct window *homescreen;
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struct wl_list launcher_list;
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};
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struct launcher {
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cairo_surface_t *icon;
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char *path;
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struct wl_list link;
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};
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static char *key_lockscreen_icon;
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static char *key_lockscreen_background;
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static char *key_homescreen_background;
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static char *key_launcher_icon;
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static char *key_launcher_path;
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static void launcher_section_done(void *data);
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static const struct config_key lockscreen_config_keys[] = {
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{ "icon", CONFIG_KEY_STRING, &key_lockscreen_icon },
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{ "background", CONFIG_KEY_STRING, &key_lockscreen_background },
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};
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static const struct config_key homescreen_config_keys[] = {
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{ "background", CONFIG_KEY_STRING, &key_homescreen_background },
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};
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static const struct config_key launcher_config_keys[] = {
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{ "icon", CONFIG_KEY_STRING, &key_launcher_icon },
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{ "path", CONFIG_KEY_STRING, &key_launcher_path },
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};
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static const struct config_section config_sections[] = {
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{ "lockscreen",
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lockscreen_config_keys, ARRAY_LENGTH(lockscreen_config_keys) },
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{ "homescreen",
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homescreen_config_keys, ARRAY_LENGTH(homescreen_config_keys) },
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{ "launcher",
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launcher_config_keys, ARRAY_LENGTH(launcher_config_keys),
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launcher_section_done }
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};
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static void
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paint_background(cairo_t *cr, const char *path, struct rectangle *allocation)
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{
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cairo_surface_t *image = NULL;
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cairo_pattern_t *pattern;
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cairo_matrix_t matrix;
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double sx, sy;
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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if (path)
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image = load_jpeg(path);
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if (image) {
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pattern = cairo_pattern_create_for_surface(image);
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sx = (double) cairo_image_surface_get_width(image) /
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allocation->width;
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sy = (double) cairo_image_surface_get_height(image) /
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allocation->height;
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cairo_matrix_init_scale(&matrix, sx, sy);
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cairo_pattern_set_matrix(pattern, &matrix);
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cairo_set_source(cr, pattern);
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cairo_pattern_destroy (pattern);
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cairo_surface_destroy(image);
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cairo_paint(cr);
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} else {
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fprintf(stderr, "couldn't load backgrond image: %s\n",
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key_lockscreen_background);
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cairo_set_source_rgb(cr, 0.2, 0, 0);
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cairo_paint(cr);
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}
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}
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static void
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homescreen_draw(struct tablet_shell *shell)
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{
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cairo_surface_t *surface;
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struct rectangle allocation;
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cairo_pattern_t *pattern;
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cairo_matrix_t matrix;
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cairo_t *cr;
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struct launcher *launcher;
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const int rows = 4, columns = 5, icon_width = 128, icon_height = 128;
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int x, y, i, width, height, vmargin, hmargin, vpadding, hpadding;
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window_draw(shell->homescreen);
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window_get_child_allocation(shell->homescreen, &allocation);
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surface = window_get_surface(shell->homescreen);
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cr = cairo_create(surface);
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paint_background(cr, key_homescreen_background, &allocation);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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width = allocation.width - columns * icon_width;
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hpadding = width / (columns + 1);
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hmargin = (width - hpadding * (columns - 1)) / 2;
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height = allocation.height - rows * icon_height;
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vpadding = height / (rows + 1);
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vmargin = (height - vpadding * (rows - 1)) / 2;
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x = hmargin;
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y = vmargin;
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i = 0;
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wl_list_for_each(launcher, &shell->launcher_list, link) {
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pattern = cairo_pattern_create_for_surface(launcher->icon);
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cairo_matrix_init_scale(&matrix, 2.0, 2.0);
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cairo_matrix_translate(&matrix, -x, -y);
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cairo_pattern_set_matrix(pattern, &matrix);
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cairo_pattern_set_extend(pattern, CAIRO_EXTEND_NONE);
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cairo_set_source(cr, pattern);
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cairo_pattern_destroy(pattern);
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cairo_paint(cr);
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x += icon_width + hpadding;
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i++;
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if (i == columns) {
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x = hmargin;
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y += icon_height + vpadding;
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i = 0;
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}
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}
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cairo_surface_flush(surface);
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cairo_surface_destroy(surface);
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window_flush(shell->homescreen);
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}
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static void
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lockscreen_draw(struct tablet_shell *shell)
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{
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cairo_surface_t *surface;
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cairo_surface_t *icon;
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struct rectangle allocation;
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cairo_t *cr;
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int width, height;
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window_draw(shell->lockscreen);
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window_get_child_allocation(shell->lockscreen, &allocation);
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surface = window_get_surface(shell->lockscreen);
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cr = cairo_create(surface);
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paint_background(cr, key_lockscreen_background, &allocation);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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icon = cairo_image_surface_create_from_png(key_lockscreen_icon);
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width = cairo_image_surface_get_width(icon);
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height = cairo_image_surface_get_height(icon);
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cairo_set_source_surface(cr, icon,
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allocation.x + (allocation.width - width) / 2,
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allocation.y + (allocation.height - height) / 2);
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cairo_paint(cr);
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cairo_surface_destroy(icon);
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cairo_surface_flush(surface);
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cairo_surface_destroy(surface);
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window_flush(shell->lockscreen);
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}
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static int
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lockscreen_motion_handler(struct window *window,
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struct input *input, uint32_t time,
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int32_t x, int32_t y,
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int32_t sx, int32_t sy, void *data)
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{
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return POINTER_LEFT_PTR;
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}
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static void
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lockscreen_button_handler(struct window *window,
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struct input *input, uint32_t time,
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int button, int state, void *data)
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{
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struct tablet_shell *shell = data;
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window_destroy(shell->lockscreen);
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shell->lockscreen = NULL;
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}
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static void
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show_lockscreen(void *data, struct tablet_shell *tablet_shell)
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{
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struct tablet_shell *shell = data;
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shell->lockscreen = window_create(shell->display,
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shell->allocation.width,
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shell->allocation.height);
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window_set_user_data(shell->lockscreen, shell);
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window_set_decoration(shell->lockscreen, 0);
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window_set_custom(shell->lockscreen);
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window_set_button_handler(shell->lockscreen,
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lockscreen_button_handler);
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window_set_motion_handler(shell->lockscreen,
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lockscreen_motion_handler);
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tablet_shell_set_lockscreen(shell->tablet_shell,
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window_get_wl_surface(shell->lockscreen));
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lockscreen_draw(shell);
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}
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static void
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show_switcher(void *data, struct tablet_shell *tablet_shell)
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{
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struct tablet_shell *shell = data;
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shell->switcher = window_create(shell->display, 0, 0);
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window_set_user_data(shell->switcher, shell);
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window_set_decoration(shell->switcher, 0);
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window_set_custom(shell->switcher);
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tablet_shell_set_switcher(shell->tablet_shell,
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window_get_wl_surface(shell->switcher));
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}
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static void
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hide_switcher(void *data, struct tablet_shell *tablet_shell)
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{
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}
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static const struct tablet_shell_listener tablet_shell_listener = {
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show_lockscreen,
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show_switcher,
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hide_switcher
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};
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static struct tablet_shell *
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tablet_shell_create(struct display *display, uint32_t id)
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{
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struct tablet_shell *shell;
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struct output *output;
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shell = malloc(sizeof *shell);
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shell->display = display;
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shell->tablet_shell =
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wl_display_bind(display_get_display(display),
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id, &tablet_shell_interface);
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tablet_shell_add_listener(shell->tablet_shell,
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&tablet_shell_listener, shell);
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output = display_get_output(display);
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output_get_allocation(output, &shell->allocation);
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shell->homescreen = window_create(display,
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shell->allocation.width,
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shell->allocation.height);
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window_set_user_data(shell->homescreen, shell);
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window_set_decoration(shell->homescreen, 0);
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window_set_custom(shell->homescreen);
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tablet_shell_set_homescreen(shell->tablet_shell,
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window_get_wl_surface(shell->homescreen));
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wl_list_init(&shell->launcher_list);
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return shell;
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}
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static void
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tablet_shell_add_launcher(struct tablet_shell *shell,
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const char *icon, const char *path)
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{
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struct launcher *launcher;
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launcher = malloc(sizeof *launcher);
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launcher->path = strdup(path);
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launcher->icon = cairo_image_surface_create_from_png(icon);
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if (cairo_surface_status (launcher->icon) != CAIRO_STATUS_SUCCESS) {
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fprintf(stderr, "couldn't load %s\n", icon);
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free(launcher);
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return;
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}
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wl_list_insert(&shell->launcher_list, &launcher->link);
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}
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static void
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launcher_section_done(void *data)
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{
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struct tablet_shell *shell = data;
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if (key_launcher_icon == NULL || key_launcher_path == NULL) {
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fprintf(stderr, "invalid launcher section\n");
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return;
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}
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tablet_shell_add_launcher(shell, key_launcher_icon, key_launcher_path);
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free(key_launcher_icon);
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key_launcher_icon = NULL;
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free(key_launcher_path);
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key_launcher_path = NULL;
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}
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int main(int argc, char *argv[])
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{
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struct display *display;
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char *config_file;
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uint32_t id;
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struct tablet_shell *shell;
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display = display_create(&argc, &argv, NULL);
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if (display == NULL) {
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fprintf(stderr, "failed to create display: %m\n");
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return -1;
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}
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wl_display_roundtrip(display_get_display(display));
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id = wl_display_get_global(display_get_display(display),
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"tablet_shell", 1);
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shell = tablet_shell_create(display, id);
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config_file = config_file_path("weston-tablet-shell.ini");
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parse_config_file(config_file,
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config_sections, ARRAY_LENGTH(config_sections),
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shell);
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free(config_file);
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homescreen_draw(shell);
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display_run(display);
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return 0;
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}
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