2008-12-02 23:15:01 +03:00
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/*
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* Copyright © 2008 Kristian Høgsberg
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*
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2015-06-11 08:48:59 +03:00
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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2008-12-02 23:15:01 +03:00
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*
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2015-06-11 08:48:59 +03:00
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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2008-12-02 23:15:01 +03:00
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*/
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2014-04-07 15:40:35 +04:00
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#include "config.h"
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2008-09-30 17:46:10 +04:00
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#include <stdint.h>
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#include <stdio.h>
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2008-10-07 18:10:36 +04:00
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#include <stdlib.h>
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2008-09-30 17:46:10 +04:00
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#include <string.h>
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2008-11-02 23:28:22 +03:00
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#include <time.h>
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2008-10-07 18:10:36 +04:00
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#include <math.h>
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#include <cairo.h>
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2010-12-17 17:53:12 +03:00
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#include <sys/time.h>
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2008-10-07 18:10:36 +04:00
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2012-01-31 18:54:04 +04:00
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#include <linux/input.h>
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2011-11-22 16:18:50 +04:00
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#include <wayland-client.h>
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2010-06-08 22:08:30 +04:00
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#include "window.h"
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2008-09-30 17:46:10 +04:00
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2012-01-10 18:43:58 +04:00
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struct flower {
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struct display *display;
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struct window *window;
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struct widget *widget;
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int width, height;
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};
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2008-10-12 06:13:51 +04:00
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static void
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set_random_color(cairo_t *cr)
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{
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cairo_set_source_rgba(cr,
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2008-10-13 06:58:40 +04:00
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0.5 + (random() % 50) / 49.0,
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0.5 + (random() % 50) / 49.0,
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0.5 + (random() % 50) / 49.0,
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0.5 + (random() % 100) / 99.0);
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2008-10-12 06:13:51 +04:00
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}
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2009-01-15 19:37:43 +03:00
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static void
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draw_stuff(cairo_surface_t *surface, int width, int height)
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2008-10-07 18:10:36 +04:00
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{
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2008-10-12 06:13:51 +04:00
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const int petal_count = 3 + random() % 5;
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const double r1 = 60 + random() % 35;
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const double r2 = 20 + random() % 40;
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const double u = (10 + random() % 90) / 100.0;
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const double v = (random() % 90) / 100.0;
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2008-10-07 18:10:36 +04:00
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cairo_t *cr;
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2008-10-12 06:13:51 +04:00
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int i;
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double t, dt = 2 * M_PI / (petal_count * 2);
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double x1, y1, x2, y2, x3, y3;
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2008-09-30 17:46:10 +04:00
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2008-10-07 18:10:36 +04:00
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cr = cairo_create(surface);
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2010-08-30 16:21:44 +04:00
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_source_rgba(cr, 0, 0, 0, 0);
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cairo_paint(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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2008-10-12 06:13:51 +04:00
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cairo_translate(cr, width / 2, height / 2);
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2009-01-15 19:37:43 +03:00
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cairo_move_to(cr, cos(0) * r1, sin(0) * r1);
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2008-10-12 06:13:51 +04:00
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for (t = 0, i = 0; i < petal_count; i++, t += dt * 2) {
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x1 = cos(t) * r1;
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y1 = sin(t) * r1;
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x2 = cos(t + dt) * r2;
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y2 = sin(t + dt) * r2;
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x3 = cos(t + 2 * dt) * r1;
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y3 = sin(t + 2 * dt) * r1;
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cairo_curve_to(cr,
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x1 - y1 * u, y1 + x1 * u,
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x2 + y2 * v, y2 - x2 * v,
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2015-05-15 18:17:47 +03:00
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x2, y2);
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2008-10-12 06:13:51 +04:00
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cairo_curve_to(cr,
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x2 - y2 * v, y2 + x2 * v,
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x3 + y3 * u, y3 - x3 * u,
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x3, y3);
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}
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2008-10-07 18:10:36 +04:00
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2008-10-12 06:13:51 +04:00
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cairo_close_path(cr);
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set_random_color(cr);
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2008-10-07 18:10:36 +04:00
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cairo_fill_preserve(cr);
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2008-10-12 06:13:51 +04:00
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set_random_color(cr);
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2008-10-07 18:10:36 +04:00
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cairo_stroke(cr);
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cairo_destroy(cr);
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2008-09-30 17:46:10 +04:00
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}
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2012-01-31 20:53:20 +04:00
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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 flower *flower = data;
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/* Dont resize me */
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widget_set_size(flower->widget, flower->width, flower->height);
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}
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2012-01-10 21:23:19 +04:00
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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 flower *flower = data;
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cairo_surface_t *surface;
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surface = window_get_surface(flower->window);
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if (surface == NULL ||
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cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
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fprintf(stderr, "failed to create cairo egl surface\n");
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return;
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}
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draw_stuff(surface, flower->width, flower->height);
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cairo_surface_destroy(surface);
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}
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2008-11-26 20:57:31 +03:00
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static void
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2012-01-09 20:12:05 +04:00
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button_handler(struct widget *widget,
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2010-12-17 17:53:12 +03:00
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struct input *input, uint32_t time,
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2012-05-30 19:31:51 +04:00
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uint32_t button, enum wl_pointer_button_state state, void *data)
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2008-11-26 20:57:31 +03:00
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{
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2012-01-10 18:43:58 +04:00
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struct flower *flower = data;
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2012-01-09 20:12:05 +04:00
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2012-01-31 18:54:04 +04:00
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switch (button) {
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case BTN_LEFT:
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2012-05-30 19:31:51 +04:00
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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2012-04-12 06:42:15 +04:00
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window_move(flower->window, input,
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display_get_serial(flower->display));
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2012-01-31 18:54:04 +04:00
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break;
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case BTN_MIDDLE:
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2012-05-30 19:31:51 +04:00
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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2012-01-31 18:54:04 +04:00
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widget_schedule_redraw(widget);
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break;
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case BTN_RIGHT:
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2012-05-30 19:31:51 +04:00
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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2012-01-31 18:54:04 +04:00
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window_show_frame_menu(flower->window, input, time);
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break;
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}
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2008-10-08 21:32:07 +04:00
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}
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2013-08-15 20:10:08 +04:00
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static void
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2015-05-15 18:17:47 +03:00
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touch_down_handler(struct widget *widget, struct input *input,
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uint32_t serial, uint32_t time, int32_t id,
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2013-08-15 20:10:08 +04:00
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float x, float y, void *data)
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{
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struct flower *flower = data;
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2013-11-13 05:19:57 +04:00
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window_move(flower->window, input, display_get_serial(flower->display));
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2013-08-15 20:10:08 +04:00
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}
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2008-09-30 17:46:10 +04:00
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int main(int argc, char *argv[])
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{
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2008-11-07 22:27:23 +03:00
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struct flower flower;
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2010-06-08 22:08:30 +04:00
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struct display *d;
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2010-12-17 17:53:12 +03:00
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struct timeval tv;
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2008-10-12 06:13:51 +04:00
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2013-02-21 00:27:49 +04:00
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d = display_create(&argc, argv);
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2010-11-22 22:34:19 +03:00
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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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2008-09-30 17:46:10 +04:00
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2010-12-17 17:53:12 +03:00
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gettimeofday(&tv, NULL);
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srandom(tv.tv_usec);
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2008-11-07 22:27:23 +03:00
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flower.width = 200;
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flower.height = 200;
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2010-09-03 22:46:38 +04:00
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flower.display = d;
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2012-02-01 00:24:48 +04:00
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flower.window = window_create(d);
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2012-01-10 18:43:58 +04:00
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flower.widget = window_add_widget(flower.window, &flower);
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2012-10-07 18:56:30 +04:00
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window_set_title(flower.window, "Flower");
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2008-11-02 23:28:22 +03:00
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2012-01-31 20:53:20 +04:00
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widget_set_resize_handler(flower.widget, resize_handler);
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2012-01-10 21:23:19 +04:00
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widget_set_redraw_handler(flower.widget, redraw_handler);
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2012-01-10 18:43:58 +04:00
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widget_set_button_handler(flower.widget, button_handler);
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2012-11-30 23:54:35 +04:00
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widget_set_default_cursor(flower.widget, CURSOR_HAND1);
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2013-08-15 20:10:08 +04:00
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widget_set_touch_down_handler(flower.widget, touch_down_handler);
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2012-01-10 21:23:19 +04:00
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2012-02-01 00:24:48 +04:00
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window_schedule_resize(flower.window, flower.width, flower.height);
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2012-01-10 21:23:19 +04:00
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2010-06-08 22:59:44 +04:00
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display_run(d);
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2008-09-30 17:46:10 +04:00
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2014-05-15 17:28:16 +04:00
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widget_destroy(flower.widget);
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window_destroy(flower.window);
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display_destroy(d);
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2008-09-30 17:46:10 +04:00
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return 0;
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}
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