--- /dev/null
+/*
+ * 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 <cairo-drm.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;
+ struct wl_compositor *compositor;
+ uint32_t key;
+
+ gboolean redraw_scheduled;
+ gboolean redraw_pending;
+
+ cairo_surface_t *surface;
+ gchar *filename;
+ PopplerDocument *document;
+ int page;
+ int fullscreen;
+ int focused;
+};
+
+static void
+view_draw(struct view *view)
+{
+ struct rectangle rectangle;
+ cairo_t *cr;
+ PopplerPage *page;
+ double width, height, doc_aspect, window_aspect, scale;
+
+ view->redraw_pending = 0;
+
+ window_draw(view->window);
+
+ window_get_child_rectangle(view->window, &rectangle);
+
+ page = poppler_document_get_page(view->document, view->page);
+
+ view->surface =
+ window_create_surface(view->window, &rectangle);
+
+ cr = cairo_create(view->surface);
+ 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_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_copy_surface(view->window,
+ &rectangle,
+ view->surface);
+
+ wl_compositor_commit(view->compositor, view->key);
+}
+
+static gboolean
+view_idle_redraw(void *data)
+{
+ struct view *view = data;
+
+ view_draw(view);
+
+ return FALSE;
+}
+
+static void
+view_schedule_redraw(struct view *view)
+{
+ if (!view->redraw_scheduled) {
+ view->redraw_scheduled = 1;
+ g_idle_add(view_idle_redraw, view);
+ } else {
+ view->redraw_pending = 1;
+ }
+}
+
+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);
+ view_schedule_redraw(view);
+ break;
+ case KEY_SPACE:
+ case KEY_PAGEDOWN:
+ if (!state)
+ break;
+ view->page++;
+ view_schedule_redraw(view);
+ break;
+ case KEY_BACKSPACE:
+ case KEY_PAGEUP:
+ if (!state)
+ break;
+ view->page--;
+ view_schedule_redraw(view);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+resize_handler(struct window *window, void *data)
+{
+ struct view *view = data;
+
+ view_schedule_redraw(view);
+}
+
+static void
+handle_acknowledge(void *data,
+ struct wl_compositor *compositor,
+ uint32_t key, uint32_t frame)
+{
+ struct view *view = data;
+
+ if (view->key != key)
+ return;
+
+ cairo_surface_destroy(view->surface);
+ view->redraw_scheduled = 0;
+ if (view->redraw_pending) {
+ view->redraw_pending = 0;
+ view_schedule_redraw(view);
+ }
+}
+
+static void
+keyboard_focus_handler(struct window *window,
+ struct wl_input_device *device, void *data)
+{
+ struct view *view = data;
+
+ view->focused = (device != NULL);
+ view_schedule_redraw(view);
+}
+
+static void
+handle_frame(void *data,
+ struct wl_compositor *compositor,
+ uint32_t frame, uint32_t timestamp)
+{
+}
+
+static const struct wl_compositor_listener compositor_listener = {
+ handle_acknowledge,
+ handle_frame,
+};
+
+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;
+ view->redraw_scheduled = 1;
+
+ view->compositor = display_get_compositor(display);
+ window_set_resize_handler(view->window, resize_handler, view);
+ window_set_key_handler(view->window, key_handler, view);
+ window_set_keyboard_focus_handler(view->window,
+ keyboard_focus_handler, view);
+
+ wl_compositor_add_listener(view->compositor,
+ &compositor_listener, view);
+
+ 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 wl_display *display;
+ int fd;
+ GMainLoop *loop;
+ GSource *source;
+ struct display *d;
+ GOptionContext *context;
+ GError *error = NULL;
+ int i;
+
+ context = g_option_context_new(NULL);
+ g_option_context_add_main_entries(context, option_entries, "Wayland View");
+ if (!g_option_context_parse(context, &argc, &argv, &error)) {
+ fprintf(stderr, "option parsing failed: %s\n", error->message);
+ exit(EXIT_FAILURE);
+ }
+
+ fd = open(gem_device, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "drm open failed: %m\n");
+ return -1;
+ }
+
+ display = wl_display_create(socket_name, sizeof socket_name);
+ if (display == NULL) {
+ fprintf(stderr, "failed to create display: %m\n");
+ return -1;
+ }
+
+ d = display_create(display, fd);
+ loop = g_main_loop_new(NULL, FALSE);
+ source = wl_glib_source_new(display);
+ g_source_attach(source, NULL);
+
+ g_type_init ();
+
+ for (i = 1; i < argc; i++) {
+ struct view *view;
+
+ view = view_create (d, i, argv[i]);
+ }
+
+ g_main_loop_run(loop);
+
+ return 0;
+}
projects / platform / upstream / weston.git / commitdiff