/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include "wayland-util.h" #include "wayland-client.h" #include "wayland-glib.h" #include "window.h" struct view { struct window *window; struct display *display; PopplerDocument *document; int page; int fullscreen; }; static void view_draw(struct view *view) { struct rectangle allocation; cairo_surface_t *surface; cairo_t *cr; PopplerPage *page; double width, height, doc_aspect, window_aspect, scale; window_draw(view->window); window_get_child_allocation(view->window, &allocation); surface = window_get_surface(view->window); cr = cairo_create(surface); cairo_rectangle(cr, allocation.x, allocation.y, allocation.width, allocation.height); cairo_clip(cr); cairo_set_source_rgba(cr, 0, 0, 0, 0.8); cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_paint(cr); if(!view->document) { cairo_destroy(cr); cairo_surface_destroy(surface); window_flush(view->window); return; } page = poppler_document_get_page(view->document, view->page); poppler_page_get_size(page, &width, &height); doc_aspect = width / height; window_aspect = (double) allocation.width / allocation.height; if (doc_aspect < window_aspect) scale = allocation.height / height; else scale = allocation.width / width; cairo_translate(cr, allocation.x, allocation.y); cairo_scale(cr, scale, scale); cairo_translate(cr, (allocation.width - width * scale) / 2 / scale, (allocation.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); cairo_surface_destroy(surface); 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 view_page_up(struct view *view) { if(view->page <= 0) return; view->page--; window_schedule_redraw(view->window); } static void view_page_down(struct view *view) { if(!view->document || view->page >= poppler_document_get_n_pages(view->document) - 1) { return; } view->page++; window_schedule_redraw(view->window); } static void button_handler(struct window *window, struct input *input, uint32_t time, int button, int state, void *data) { struct view *view = data; if(!state) return; switch(button) { case 275: view_page_up(view); break; case 276: view_page_down(view); break; default: break; } } static void key_handler(struct window *window, struct input *input, uint32_t time, uint32_t key, uint32_t unicode, uint32_t state, void *data) { struct view *view = data; if(!state) return; switch (key) { case KEY_F11: view->fullscreen ^= 1; window_set_fullscreen(window, view->fullscreen); window_schedule_redraw(view->window); break; case KEY_SPACE: case KEY_PAGEDOWN: case KEY_RIGHT: case KEY_DOWN: view_page_down(view); break; case KEY_BACKSPACE: case KEY_PAGEUP: case KEY_LEFT: case KEY_UP: view_page_up(view); break; default: break; } } static void keyboard_focus_handler(struct window *window, struct input *device, void *data) { struct view *view = data; 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; GFile *file = NULL; GError *error = NULL; view = malloc(sizeof *view); if (view == NULL) return view; memset(view, 0, sizeof *view); file = g_file_new_for_commandline_arg(filename); basename = g_file_get_basename(file); if(!basename) { title = "Wayland View"; } else { title = g_strdup_printf("Wayland View - %s", basename); g_free(basename); } view->document = poppler_document_new_from_file(g_file_get_uri(file), NULL, &error); if(error) { title = "File not found"; } view->window = window_create(display, 500, 400); window_set_title(view->window, title); view->display = display; 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); window_set_button_handler(view->window, button_handler); 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); if (d == NULL) { fprintf(stderr, "failed to create display: %m\n"); return -1; } for (i = 1; i < argc; i++) view_create (d, i, argv[i]); display_run(d); return 0; }