bcacef19b0
On one hand, getopt (in particular the -o suboption syntax) sucks on the server side, and on the client side we would like to avoid the glib dependency. We can roll out own option parser and solve both problems and save a few lines of code total.
281 lines
6.9 KiB
C
281 lines
6.9 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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* Copyright © 2009 Chris Wilson
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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 <fcntl.h>
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#include <unistd.h>
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#include <math.h>
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#include <time.h>
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#include <cairo.h>
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#include <glib.h>
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#include <gio/gio.h>
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#include <linux/input.h>
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#include <glib/poppler-document.h>
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#include <glib/poppler-page.h>
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#include <wayland-client.h>
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#include "window.h"
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struct view {
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struct window *window;
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struct widget *widget;
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struct display *display;
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PopplerDocument *document;
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int page;
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int fullscreen;
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};
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct view *view = data;
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struct rectangle allocation;
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cairo_surface_t *surface;
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cairo_t *cr;
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PopplerPage *page;
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double width, height, doc_aspect, window_aspect, scale;
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widget_get_allocation(view->widget, &allocation);
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surface = window_get_surface(view->window);
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cr = cairo_create(surface);
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cairo_rectangle(cr, allocation.x, allocation.y,
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allocation.width, allocation.height);
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cairo_clip(cr);
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cairo_set_source_rgba(cr, 0, 0, 0, 0.8);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_paint(cr);
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if(!view->document) {
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cairo_destroy(cr);
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cairo_surface_destroy(surface);
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window_flush(view->window);
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return;
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}
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page = poppler_document_get_page(view->document, view->page);
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poppler_page_get_size(page, &width, &height);
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doc_aspect = width / height;
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window_aspect = (double) allocation.width / allocation.height;
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if (doc_aspect < window_aspect)
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scale = allocation.height / height;
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else
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scale = allocation.width / width;
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cairo_translate(cr, allocation.x, allocation.y);
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cairo_scale(cr, scale, scale);
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cairo_translate(cr,
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(allocation.width - width * scale) / 2 / scale,
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(allocation.height - height * scale) / 2 / scale);
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cairo_rectangle(cr, 0, 0, width, height);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_fill(cr);
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poppler_page_render(page, cr);
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cairo_destroy(cr);
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cairo_surface_destroy(surface);
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g_object_unref(G_OBJECT(page));
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}
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static void
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resize_handler(struct widget *widget,
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int32_t width, int32_t height, void *data)
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{
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struct view *view = data;
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widget_set_size(view->widget, width, height);
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}
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static void
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view_page_up(struct view *view)
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{
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if(view->page <= 0)
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return;
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view->page--;
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window_schedule_redraw(view->window);
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}
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static void
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view_page_down(struct view *view)
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{
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if(!view->document ||
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view->page >= poppler_document_get_n_pages(view->document) - 1) {
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return;
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}
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view->page++;
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window_schedule_redraw(view->window);
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}
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static void
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button_handler(struct widget *widget, 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 view *view = data;
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if(!state)
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return;
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switch(button) {
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case 275:
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view_page_up(view);
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break;
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case 276:
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view_page_down(view);
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break;
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default:
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break;
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}
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}
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static void
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key_handler(struct window *window, struct input *input, uint32_t time,
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uint32_t key, uint32_t unicode, uint32_t state, void *data)
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{
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struct view *view = data;
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if(!state)
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return;
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switch (key) {
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case KEY_F11:
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view->fullscreen ^= 1;
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window_set_fullscreen(window, view->fullscreen);
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break;
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case KEY_SPACE:
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case KEY_PAGEDOWN:
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case KEY_RIGHT:
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case KEY_DOWN:
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view_page_down(view);
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break;
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case KEY_BACKSPACE:
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case KEY_PAGEUP:
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case KEY_LEFT:
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case KEY_UP:
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view_page_up(view);
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break;
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default:
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break;
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}
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}
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static void
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keyboard_focus_handler(struct window *window,
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struct input *device, void *data)
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{
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struct view *view = data;
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window_schedule_redraw(view->window);
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}
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static struct view *
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view_create(struct display *display,
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uint32_t key, const char *filename, int fullscreen)
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{
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struct view *view;
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gchar *basename;
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gchar *title;
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GFile *file = NULL;
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GError *error = NULL;
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view = malloc(sizeof *view);
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if (view == NULL)
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return view;
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memset(view, 0, sizeof *view);
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file = g_file_new_for_commandline_arg(filename);
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basename = g_file_get_basename(file);
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if(!basename) {
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title = "Wayland View";
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} else {
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title = g_strdup_printf("Wayland View - %s", basename);
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g_free(basename);
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}
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view->document = poppler_document_new_from_file(g_file_get_uri(file),
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NULL, &error);
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if(error) {
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title = "File not found";
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}
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view->window = window_create(display);
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view->widget = frame_create(view->window, view);
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window_set_title(view->window, title);
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view->display = display;
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window_set_user_data(view->window, view);
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window_set_key_handler(view->window, key_handler);
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window_set_keyboard_focus_handler(view->window,
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keyboard_focus_handler);
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widget_set_button_handler(view->widget, button_handler);
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widget_set_resize_handler(view->widget, resize_handler);
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widget_set_redraw_handler(view->widget, redraw_handler);
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view->page = 0;
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view->fullscreen = fullscreen;
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window_set_fullscreen(view->window, view->fullscreen);
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window_schedule_resize(view->window, 500, 400);
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return view;
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}
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static int option_fullscreen;
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static const struct weston_option view_options[] = {
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{ WESTON_OPTION_BOOLEAN, "fullscreen", 0, &option_fullscreen },
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};
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int
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main(int argc, char *argv[])
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{
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struct display *d;
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int i;
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argc = parse_options(view_options,
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ARRAY_LENGTH(view_options), argc, argv);
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d = display_create(argc, argv);
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if (d == 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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for (i = 1; i < argc; i++)
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view_create (d, i, argv[i], option_fullscreen);
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display_run(d);
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return 0;
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}
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