b77aa062c9
Add options for setting width, height and using the driver fullscreen method.
300 lines
7.6 KiB
C
300 lines
7.6 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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* Copyright © 2012 Intel Corporation
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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 <math.h>
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#include <cairo.h>
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#include <linux/input.h>
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#include <wayland-client.h>
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#include "window.h"
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struct transformed {
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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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int fullscreen;
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enum wl_shell_surface_fullscreen_method fullscreen_method;
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};
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static void
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update_transform(cairo_t *cr, enum wl_output_transform transform)
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{
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double angle;
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cairo_matrix_t m;
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switch(transform) {
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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cairo_matrix_init(&m, -1, 0, 0, 1, 0, 0);
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break;
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default:
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cairo_matrix_init_identity(&m);
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break;
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}
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switch (transform) {
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case WL_OUTPUT_TRANSFORM_NORMAL:
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case WL_OUTPUT_TRANSFORM_FLIPPED:
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default:
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angle = 0;
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break;
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case WL_OUTPUT_TRANSFORM_90:
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case WL_OUTPUT_TRANSFORM_FLIPPED_90:
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angle = M_PI_2;
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break;
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case WL_OUTPUT_TRANSFORM_180:
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case WL_OUTPUT_TRANSFORM_FLIPPED_180:
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angle = M_PI;
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break;
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case WL_OUTPUT_TRANSFORM_270:
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case WL_OUTPUT_TRANSFORM_FLIPPED_270:
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angle = M_PI + M_PI_2;
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break;
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}
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cairo_rotate(cr, angle);
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cairo_transform(cr, &m);
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}
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static void
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draw_stuff(cairo_surface_t *surface, int width, int height, int transform)
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{
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cairo_t *cr;
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int tmp;
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if (transform & 1) {
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tmp = width;
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width = height;
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height = tmp;
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}
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cr = cairo_create(surface);
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cairo_identity_matrix(cr);
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cairo_translate(cr, width / 2, height / 2);
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cairo_scale(cr, width / 2, height / 2);
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update_transform(cr, transform);
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cairo_set_source_rgba(cr, 0, 0, 0.3, 1.0);
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cairo_set_source_rgba(cr, 0, 0, 0, 1.0);
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cairo_rectangle(cr, -1, -1, 2, 2);
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cairo_fill(cr);
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cairo_set_source_rgb(cr, 1, 0, 0);
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cairo_move_to(cr, 0, 0);
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cairo_line_to(cr, 0, -1);
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cairo_save(cr);
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cairo_identity_matrix(cr);
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cairo_set_line_width(cr, 2.0);
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cairo_stroke(cr);
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cairo_restore(cr);
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cairo_set_source_rgb(cr, 0, 1, 0);
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cairo_move_to(cr, 0, 0);
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cairo_line_to(cr, 1, 0);
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cairo_save(cr);
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cairo_identity_matrix(cr);
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cairo_set_line_width(cr, 2.0);
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cairo_stroke(cr);
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cairo_restore(cr);
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_move_to(cr, 0, 0);
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cairo_line_to(cr, 0, 1);
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cairo_move_to(cr, 0, 0);
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cairo_line_to(cr, -1, 0);
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cairo_save(cr);
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cairo_identity_matrix(cr);
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cairo_set_line_width(cr, 2.0);
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cairo_stroke(cr);
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cairo_restore(cr);
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cairo_destroy(cr);
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}
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static void
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fullscreen_handler(struct window *window, void *data)
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{
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struct transformed *transformed = data;
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transformed->fullscreen ^= 1;
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window_set_fullscreen(window, transformed->fullscreen);
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}
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static void
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resize_handler(struct widget *widget, int width, int height, void *data)
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{
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struct transformed *transformed = data;
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if (transformed->fullscreen_method !=
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WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT)
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widget_set_size(widget, transformed->width, transformed->height);
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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 transformed *transformed = data;
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struct rectangle allocation;
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cairo_surface_t *surface;
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int transform;
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surface = window_get_surface(transformed->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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widget_get_allocation(transformed->widget, &allocation);
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transform = window_get_buffer_transform(transformed->window);
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draw_stuff(surface, allocation.width, allocation.height, transform);
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cairo_surface_destroy(surface);
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}
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static void
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output_handler(struct window *window, struct output *output, int enter,
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void *data)
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{
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if (!enter)
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return;
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window_set_buffer_transform(window, output_get_transform(output));
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window_schedule_redraw(window);
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}
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button, enum wl_pointer_button_state state, void *data)
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{
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struct transformed *transformed = data;
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switch (button) {
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case BTN_LEFT:
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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window_move(transformed->window, input,
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display_get_serial(transformed->display));
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break;
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case BTN_MIDDLE:
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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widget_schedule_redraw(widget);
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break;
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case BTN_RIGHT:
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if (state == WL_POINTER_BUTTON_STATE_PRESSED)
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window_show_frame_menu(transformed->window, input, time);
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break;
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}
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}
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static void
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usage(int error_code)
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{
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fprintf(stderr, "Usage: transformed [OPTIONS]\n\n"
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" -d\t\tUse \"driver\" fullscreen method\n"
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" -w <width>\tSet window width to <width>\n"
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" -h <height>\tSet window height to <height>\n"
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" --help\tShow this help text\n\n");
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exit(error_code);
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}
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int main(int argc, char *argv[])
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{
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struct transformed transformed;
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struct display *d;
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int i;
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transformed.width = 500;
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transformed.height = 250;
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transformed.fullscreen = 0;
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transformed.fullscreen_method =
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WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-d") == 0) {
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transformed.fullscreen_method =
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WL_SHELL_SURFACE_FULLSCREEN_METHOD_DRIVER;
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} else if (strcmp(argv[i], "-w") == 0) {
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if (++i >= argc)
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usage(EXIT_FAILURE);
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transformed.width = atol(argv[i]);
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} else if (strcmp(argv[i], "-h") == 0) {
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if (++i >= argc)
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usage(EXIT_FAILURE);
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transformed.height = atol(argv[i]);
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} else if (strcmp(argv[i], "--help") == 0)
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usage(EXIT_SUCCESS);
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else
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usage(EXIT_FAILURE);
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}
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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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transformed.display = d;
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transformed.window = window_create(d);
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transformed.widget =
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window_add_widget(transformed.window, &transformed);
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window_set_title(transformed.window, "Transformed");
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window_set_fullscreen_method(transformed.window,
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transformed.fullscreen_method);
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widget_set_transparent(transformed.widget, 0);
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widget_set_default_cursor(transformed.widget, CURSOR_BLANK);
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widget_set_resize_handler(transformed.widget, resize_handler);
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widget_set_redraw_handler(transformed.widget, redraw_handler);
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widget_set_button_handler(transformed.widget, button_handler);
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window_set_fullscreen_handler(transformed.window, fullscreen_handler);
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window_set_output_handler(transformed.window, output_handler);
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window_set_user_data(transformed.window, &transformed);
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window_schedule_resize(transformed.window,
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transformed.width, transformed.height);
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display_run(d);
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return 0;
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}
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