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/*
* Copyright © 2008 Kristian Høgsberg
* Copyright © 2009 Chris Wilson
*
* 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 <time.h>
#include <cairo.h>
#include <glib.h>
#include <linux/input.h>
#include <glib/poppler-document.h>
#include <glib/poppler-page.h>
#include "wayland-util.h"
#include "wayland-client.h"
#include "wayland-glib.h"
#include "window.h"
static const char gem_device[] = "/dev/dri/card0";
static const char socket_name[] = "\0wayland";
struct view {
struct window *window;
struct display *display;
uint32_t key;
gchar *filename;
PopplerDocument *document;
int page;
int fullscreen;
int focused;
};
static void
view_draw(struct view *view)
{
struct rectangle rectangle;
cairo_surface_t *surface;
cairo_t *cr;
PopplerPage *page;
double width, height, doc_aspect, window_aspect, scale;
window_draw(view->window);
window_get_child_rectangle(view->window, &rectangle);
page = poppler_document_get_page(view->document, view->page);
surface = window_get_surface(view->window);
cr = cairo_create(surface);
cairo_rectangle(cr, rectangle.x, rectangle.y,
rectangle.width, rectangle.height);
cairo_clip(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 0.8);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr);
poppler_page_get_size(page, &width, &height);
doc_aspect = width / height;
window_aspect = (double) rectangle.width / rectangle.height;
if (doc_aspect < window_aspect)
scale = rectangle.height / height;
else
scale = rectangle.width / width;
cairo_translate(cr, rectangle.x, rectangle.y);
cairo_scale(cr, scale, scale);
cairo_translate(cr,
(rectangle.width - width * scale) / 2 / scale,
(rectangle.height - height * scale) / 2 / scale);
cairo_rectangle(cr, 0, 0, width, height);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_fill(cr);
poppler_page_render(page, cr);
cairo_destroy(cr);
g_object_unref(G_OBJECT(page));
window_flush(view->window);
}
static void
redraw_handler(struct window *window, void *data)
{
struct view *view = data;
view_draw(view);
}
static void
key_handler(struct window *window, uint32_t key, uint32_t unicode,
uint32_t state, uint32_t modifiers, void *data)
{
struct view *view = data;
switch (key) {
case KEY_F11:
if (!state)
break;
view->fullscreen ^= 1;
window_set_fullscreen(window, view->fullscreen);
window_schedule_redraw(view->window);
break;
case KEY_SPACE:
case KEY_PAGEDOWN:
if (!state)
break;
view->page++;
window_schedule_redraw(view->window);
break;
case KEY_BACKSPACE:
case KEY_PAGEUP:
if (!state)
break;
view->page--;
window_schedule_redraw(view->window);
break;
default:
break;
}
}
static void
keyboard_focus_handler(struct window *window,
struct input *device, void *data)
{
struct view *view = data;
view->focused = (device != NULL);
window_schedule_redraw(view->window);
}
static struct view *
view_create(struct display *display, uint32_t key, const char *filename)
{
struct view *view;
gchar *basename;
gchar *title;
GError *error = NULL;
view = malloc(sizeof *view);
if (view == NULL)
return view;
memset(view, 0, sizeof *view);
basename = g_path_get_basename(filename);
title = g_strdup_printf("Wayland View - %s", basename);
g_free(basename);
view->filename = g_strdup(filename);
view->window = window_create(display, title,
100 * key, 100 * key, 500, 400);
view->display = display;
/* FIXME: Window uses key 1 for moves, need some kind of
* allocation scheme here. Or maybe just a real toolkit. */
view->key = key + 100;
window_set_user_data(view->window, view);
window_set_redraw_handler(view->window, redraw_handler);
window_set_key_handler(view->window, key_handler);
window_set_keyboard_focus_handler(view->window,
keyboard_focus_handler);
view->document = poppler_document_new_from_file(view->filename,
NULL, &error);
view->page = 0;
view_draw(view);
return view;
}
static const GOptionEntry option_entries[] = {
{ NULL }
};
int
main(int argc, char *argv[])
{
struct display *d;
int i;
d = display_create(&argc, &argv, option_entries);
for (i = 1; i < argc; i++) {
struct view *view;
view = view_create (d, i, argv[i]);
}
display_run(d);
return 0;
}
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