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977 lines
24 KiB
977 lines
24 KiB
/*
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* Copyright © 2008 Kristian Høgsberg
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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 <glib-object.h>
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#include <xf86drm.h>
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#define EGL_EGLEXT_PROTOTYPES 1
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#define GL_GLEXT_PROTOTYPES 1
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#include <GL/gl.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <cairo-gl.h>
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#include <X11/extensions/XKBcommon.h>
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#include <linux/input.h>
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#include "wayland-util.h"
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#include "wayland-client.h"
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#include "wayland-glib.h"
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#include "cairo-util.h"
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#include "window.h"
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struct display {
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struct wl_display *display;
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struct wl_compositor *compositor;
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struct wl_shell *shell;
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struct wl_drm *drm;
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struct wl_output *output;
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struct rectangle screen_allocation;
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int authenticated;
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EGLDisplay dpy;
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EGLContext ctx;
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cairo_device_t *device;
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int fd;
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GMainLoop *loop;
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GSource *source;
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struct wl_list window_list;
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struct wl_list input_list;
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char *device_name;
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cairo_surface_t *active_frame, *inactive_frame, *shadow;
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struct xkb_desc *xkb;
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};
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struct window {
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struct display *display;
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struct wl_surface *surface;
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const char *title;
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struct rectangle allocation, saved_allocation, pending_allocation;
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int resize_edges;
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int redraw_scheduled;
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int minimum_width, minimum_height;
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int margin;
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int fullscreen;
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int decoration;
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struct input *grab_device;
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struct input *keyboard_device;
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uint32_t name;
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EGLImageKHR *image;
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cairo_surface_t *cairo_surface, *pending_surface;
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window_resize_handler_t resize_handler;
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window_redraw_handler_t redraw_handler;
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window_key_handler_t key_handler;
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window_keyboard_focus_handler_t keyboard_focus_handler;
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window_acknowledge_handler_t acknowledge_handler;
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window_frame_handler_t frame_handler;
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void *user_data;
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struct wl_list link;
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};
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struct input {
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struct display *display;
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struct wl_input_device *input_device;
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struct window *pointer_focus;
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struct window *keyboard_focus;
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uint32_t modifiers;
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int32_t x, y, sx, sy;
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struct wl_list link;
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};
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static void
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rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius)
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{
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cairo_move_to(cr, x0, y0 + radius);
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cairo_arc(cr, x0 + radius, y0 + radius, radius, M_PI, 3 * M_PI / 2);
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cairo_line_to(cr, x1 - radius, y0);
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cairo_arc(cr, x1 - radius, y0 + radius, radius, 3 * M_PI / 2, 2 * M_PI);
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cairo_line_to(cr, x1, y1 - radius);
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cairo_arc(cr, x1 - radius, y1 - radius, radius, 0, M_PI / 2);
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cairo_line_to(cr, x0 + radius, y1);
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cairo_arc(cr, x0 + radius, y1 - radius, radius, M_PI / 2, M_PI);
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cairo_close_path(cr);
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}
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static const cairo_user_data_key_t surface_data_key;
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struct surface_data {
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EGLImageKHR image;
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GLuint texture;
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EGLDisplay dpy;
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};
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static void
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surface_data_destroy(void *p)
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{
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struct surface_data *data = p;
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glDeleteTextures(1, &data->texture);
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eglDestroyImageKHR(data->dpy, data->image);
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}
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cairo_surface_t *
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display_create_surface(struct display *display,
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struct rectangle *rectangle)
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{
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struct surface_data *data;
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EGLDisplay dpy = display->dpy;
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cairo_surface_t *surface;
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EGLint image_attribs[] = {
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EGL_WIDTH, 0,
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EGL_HEIGHT, 0,
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EGL_IMAGE_FORMAT_MESA, EGL_IMAGE_FORMAT_ARGB8888_MESA,
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EGL_IMAGE_USE_MESA, EGL_IMAGE_USE_SCANOUT_MESA,
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EGL_NONE
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};
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data = malloc(sizeof *data);
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image_attribs[1] = rectangle->width;
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image_attribs[3] = rectangle->height;
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data->image = eglCreateDRMImageMESA(dpy, image_attribs);
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glGenTextures(1, &data->texture);
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data->dpy = dpy;
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glBindTexture(GL_TEXTURE_2D, data->texture);
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glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, data->image);
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surface = cairo_gl_surface_create_for_texture(display->device,
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CAIRO_CONTENT_COLOR_ALPHA,
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data->texture,
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rectangle->width,
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rectangle->height);
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cairo_surface_set_user_data (surface, &surface_data_key,
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data, surface_data_destroy);
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return surface;
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}
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static void
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window_attach_surface(struct window *window)
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{
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struct wl_visual *visual;
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struct display *display = window->display;
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struct wl_buffer *buffer;
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struct surface_data *data;
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EGLint name, stride;
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if (window->pending_surface != NULL)
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return;
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window->pending_surface = window->cairo_surface;
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window->cairo_surface = NULL;
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data = cairo_surface_get_user_data (window->pending_surface,
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&surface_data_key);
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eglExportDRMImageMESA(window->display->dpy,
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data->image, &name, NULL, &stride);
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visual = wl_display_get_premultiplied_argb_visual(display->display);
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buffer = wl_drm_create_buffer(display->drm,
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name,
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window->allocation.width,
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window->allocation.height,
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stride,
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visual);
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wl_surface_attach(window->surface, buffer);
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wl_buffer_destroy(buffer);
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wl_surface_map(window->surface,
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window->allocation.x,
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window->allocation.y,
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window->allocation.width,
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window->allocation.height);
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wl_compositor_commit(window->display->compositor, 0);
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}
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void
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window_commit(struct window *window, uint32_t key)
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{
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if (window->cairo_surface) {
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window_attach_surface(window);
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} else {
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wl_compositor_commit(window->display->compositor, key);
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}
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}
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static void
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window_draw_decorations(struct window *window)
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{
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cairo_t *cr;
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cairo_text_extents_t extents;
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cairo_pattern_t *outline, *bright, *dim;
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int width, height;
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window->cairo_surface =
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display_create_surface(window->display, &window->allocation);
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width = window->allocation.width;
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height = window->allocation.height;
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outline = cairo_pattern_create_rgb(0.1, 0.1, 0.1);
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bright = cairo_pattern_create_rgb(0.8, 0.8, 0.8);
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dim = cairo_pattern_create_rgb(0.4, 0.4, 0.4);
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cr = cairo_create(window->cairo_surface);
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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_source_rgba(cr, 0, 0, 0, 0.6);
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tile_mask(cr, window->display->shadow, 3, 3, width, height, 32);
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if (window->keyboard_device)
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tile_source(cr, window->display->active_frame,
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0, 0, width, height, 96);
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else
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tile_source(cr, window->display->inactive_frame,
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0, 0, width, height, 96);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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cairo_set_font_size(cr, 14);
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cairo_text_extents(cr, window->title, &extents);
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cairo_move_to(cr, (width - extents.width) / 2, 32 - extents.y_bearing);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
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cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
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cairo_set_line_width (cr, 4);
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if (window->keyboard_device)
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cairo_set_source_rgb(cr, 0, 0, 0);
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else
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cairo_set_source_rgb(cr, 0.8, 0.8, 0.8);
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cairo_show_text(cr, window->title);
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cairo_destroy(cr);
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}
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static void
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window_draw_fullscreen(struct window *window)
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{
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window->cairo_surface =
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display_create_surface(window->display, &window->allocation);
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}
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void
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window_draw(struct window *window)
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{
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if (window->cairo_surface != NULL)
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cairo_surface_destroy(window->cairo_surface);
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if (window->fullscreen || !window->decoration)
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window_draw_fullscreen(window);
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else
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window_draw_decorations(window);
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}
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cairo_surface_t *
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window_get_surface(struct window *window)
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{
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return window->cairo_surface;
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}
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enum window_state {
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WINDOW_MOVING = 0,
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WINDOW_RESIZING_TOP = 1,
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WINDOW_RESIZING_BOTTOM = 2,
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WINDOW_RESIZING_LEFT = 4,
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WINDOW_RESIZING_TOP_LEFT = 5,
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WINDOW_RESIZING_BOTTOM_LEFT = 6,
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WINDOW_RESIZING_RIGHT = 8,
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WINDOW_RESIZING_TOP_RIGHT = 9,
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WINDOW_RESIZING_BOTTOM_RIGHT = 10,
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WINDOW_RESIZING_MASK = 15,
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WINDOW_STABLE = 16,
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};
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static void
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window_handle_motion(void *data, struct wl_input_device *input_device,
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uint32_t time,
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int32_t x, int32_t y, int32_t sx, int32_t sy)
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{
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struct input *input = data;
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input->x = x;
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input->y = y;
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input->sx = sx;
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input->sy = sy;
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}
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static void window_handle_button(void *data, struct wl_input_device *input_device,
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uint32_t time, uint32_t button, uint32_t state)
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{
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struct input *input = data;
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struct window *window = input->pointer_focus;
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int grip_size = 8, vlocation, hlocation;
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if (window->margin <= input->sx && input->sx < window->margin + grip_size)
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hlocation = WINDOW_RESIZING_LEFT;
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else if (input->sx < window->allocation.width - window->margin - grip_size)
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hlocation = WINDOW_MOVING;
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else if (input->sx < window->allocation.width - window->margin)
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hlocation = WINDOW_RESIZING_RIGHT;
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else
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hlocation = WINDOW_STABLE;
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if (window->margin <= input->sy && input->sy < window->margin + grip_size)
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vlocation = WINDOW_RESIZING_TOP;
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else if (input->sy < window->allocation.height - window->margin - grip_size)
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vlocation = WINDOW_MOVING;
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else if (input->sy < window->allocation.height - window->margin)
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vlocation = WINDOW_RESIZING_BOTTOM;
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else
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vlocation = WINDOW_STABLE;
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if (button == BTN_LEFT && state == 1) {
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switch (hlocation | vlocation) {
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case WINDOW_MOVING:
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wl_shell_move(window->display->shell,
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window->surface, input_device, time);
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break;
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case WINDOW_RESIZING_TOP:
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case WINDOW_RESIZING_BOTTOM:
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case WINDOW_RESIZING_LEFT:
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case WINDOW_RESIZING_RIGHT:
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case WINDOW_RESIZING_TOP_LEFT:
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case WINDOW_RESIZING_TOP_RIGHT:
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case WINDOW_RESIZING_BOTTOM_LEFT:
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case WINDOW_RESIZING_BOTTOM_RIGHT:
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wl_shell_resize(window->display->shell,
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window->surface, input_device, time,
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hlocation | vlocation);
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break;
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}
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}
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}
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static void
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window_handle_key(void *data, struct wl_input_device *input_device,
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uint32_t time, uint32_t key, uint32_t state)
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{
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struct input *input = data;
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struct window *window = input->keyboard_focus;
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struct display *d = window->display;
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uint32_t code, sym, level;
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code = key + d->xkb->min_key_code;
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if (window->keyboard_device != input)
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return;
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level = 0;
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if (input->modifiers & WINDOW_MODIFIER_SHIFT &&
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XkbKeyGroupWidth(d->xkb, code, 0) > 1)
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level = 1;
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sym = XkbKeySymEntry(d->xkb, code, level, 0);
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if (state)
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input->modifiers |= d->xkb->map->modmap[code];
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else
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input->modifiers &= ~d->xkb->map->modmap[code];
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if (window->key_handler)
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(*window->key_handler)(window, key, sym, state,
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input->modifiers, window->user_data);
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}
|
|
|
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static void
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window_handle_pointer_focus(void *data,
|
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struct wl_input_device *input_device,
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uint32_t time, struct wl_surface *surface,
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int32_t x, int32_t y, int32_t sx, int32_t sy)
|
|
{
|
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struct input *input = data;
|
|
|
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if (surface)
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input->pointer_focus = wl_surface_get_user_data(surface);
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else
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input->pointer_focus = NULL;
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}
|
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|
|
static void
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window_handle_keyboard_focus(void *data,
|
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struct wl_input_device *input_device,
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uint32_t time,
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struct wl_surface *surface,
|
|
struct wl_array *keys)
|
|
{
|
|
struct input *input = data;
|
|
struct window *window = input->keyboard_focus;
|
|
struct display *d = input->display;
|
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uint32_t *k, *end;
|
|
|
|
window = input->keyboard_focus;
|
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if (window) {
|
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window->keyboard_device = NULL;
|
|
if (window->keyboard_focus_handler)
|
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(*window->keyboard_focus_handler)(window, NULL,
|
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window->user_data);
|
|
}
|
|
|
|
if (surface)
|
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input->keyboard_focus = wl_surface_get_user_data(surface);
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|
else
|
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input->keyboard_focus = NULL;
|
|
|
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end = keys->data + keys->size;
|
|
for (k = keys->data; k < end; k++)
|
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input->modifiers |= d->xkb->map->modmap[*k];
|
|
|
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window = input->keyboard_focus;
|
|
if (window) {
|
|
window->keyboard_device = input;
|
|
if (window->keyboard_focus_handler)
|
|
(*window->keyboard_focus_handler)(window,
|
|
window->keyboard_device,
|
|
window->user_data);
|
|
}
|
|
}
|
|
|
|
static const struct wl_input_device_listener input_device_listener = {
|
|
window_handle_motion,
|
|
window_handle_button,
|
|
window_handle_key,
|
|
window_handle_pointer_focus,
|
|
window_handle_keyboard_focus,
|
|
};
|
|
|
|
static void
|
|
handle_configure(void *data, struct wl_shell *shell,
|
|
uint32_t time, uint32_t edges,
|
|
struct wl_surface *surface,
|
|
int32_t x, int32_t y, int32_t width, int32_t height)
|
|
{
|
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struct window *window = wl_surface_get_user_data(surface);
|
|
|
|
window->resize_edges = edges;
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|
window->pending_allocation.x = x;
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|
window->pending_allocation.y = y;
|
|
window->pending_allocation.width = width;
|
|
window->pending_allocation.height = height;
|
|
|
|
if (!(edges & 15))
|
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return;
|
|
|
|
if (window->resize_handler)
|
|
(*window->resize_handler)(window,
|
|
window->user_data);
|
|
else if (window->redraw_handler)
|
|
window_schedule_redraw(window);
|
|
}
|
|
|
|
static const struct wl_shell_listener shell_listener = {
|
|
handle_configure,
|
|
};
|
|
|
|
void
|
|
window_get_child_rectangle(struct window *window,
|
|
struct rectangle *rectangle)
|
|
{
|
|
if (window->fullscreen && !window->decoration) {
|
|
*rectangle = window->allocation;
|
|
} else {
|
|
rectangle->x = window->margin + 10;
|
|
rectangle->y = window->margin + 50;
|
|
rectangle->width = window->allocation.width - 20 - window->margin * 2;
|
|
rectangle->height = window->allocation.height - 60 - window->margin * 2;
|
|
}
|
|
}
|
|
|
|
void
|
|
window_set_child_size(struct window *window,
|
|
struct rectangle *rectangle)
|
|
{
|
|
int32_t width, height;
|
|
|
|
if (!window->fullscreen) {
|
|
width = rectangle->width + 20 + window->margin * 2;
|
|
height = rectangle->height + 60 + window->margin * 2;
|
|
|
|
if (window->resize_edges & WINDOW_RESIZING_LEFT)
|
|
window->allocation.x +=
|
|
window->allocation.width - width;
|
|
if (window->resize_edges & WINDOW_RESIZING_TOP)
|
|
window->allocation.y +=
|
|
window->allocation.height - height;
|
|
|
|
window->allocation.width = width;
|
|
window->allocation.height = height;
|
|
}
|
|
}
|
|
|
|
void
|
|
window_copy_image(struct window *window,
|
|
struct rectangle *rectangle, EGLImageKHR image)
|
|
{
|
|
/* set image as read buffer, copy pixels or something... */
|
|
}
|
|
|
|
void
|
|
window_copy_surface(struct window *window,
|
|
struct rectangle *rectangle,
|
|
cairo_surface_t *surface)
|
|
{
|
|
cairo_t *cr;
|
|
|
|
cr = cairo_create (window->cairo_surface);
|
|
|
|
cairo_set_source_surface (cr,
|
|
surface,
|
|
rectangle->x, rectangle->y);
|
|
|
|
cairo_paint (cr);
|
|
cairo_destroy (cr);
|
|
}
|
|
|
|
static gboolean
|
|
idle_redraw(void *data)
|
|
{
|
|
struct window *window = data;
|
|
|
|
if (window->resize_edges)
|
|
window->allocation = window->pending_allocation;
|
|
|
|
window->redraw_handler(window, window->user_data);
|
|
|
|
window->redraw_scheduled = 0;
|
|
window->resize_edges = 0;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
window_schedule_redraw(struct window *window)
|
|
{
|
|
if (!window->redraw_scheduled) {
|
|
g_idle_add(idle_redraw, window);
|
|
window->redraw_scheduled = 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
window_set_fullscreen(struct window *window, int fullscreen)
|
|
{
|
|
window->fullscreen = fullscreen;
|
|
if (window->fullscreen) {
|
|
window->saved_allocation = window->allocation;
|
|
window->allocation = window->display->screen_allocation;
|
|
} else {
|
|
window->allocation = window->saved_allocation;
|
|
}
|
|
}
|
|
|
|
void
|
|
window_set_decoration(struct window *window, int decoration)
|
|
{
|
|
window->decoration = decoration;
|
|
}
|
|
|
|
void
|
|
window_set_user_data(struct window *window, void *data)
|
|
{
|
|
window->user_data = data;
|
|
}
|
|
|
|
void
|
|
window_set_resize_handler(struct window *window,
|
|
window_resize_handler_t handler)
|
|
{
|
|
window->resize_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_set_redraw_handler(struct window *window,
|
|
window_redraw_handler_t handler)
|
|
{
|
|
window->redraw_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_set_key_handler(struct window *window,
|
|
window_key_handler_t handler)
|
|
{
|
|
window->key_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_set_acknowledge_handler(struct window *window,
|
|
window_acknowledge_handler_t handler)
|
|
{
|
|
window->acknowledge_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_set_frame_handler(struct window *window,
|
|
window_frame_handler_t handler)
|
|
{
|
|
window->frame_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_set_keyboard_focus_handler(struct window *window,
|
|
window_keyboard_focus_handler_t handler)
|
|
{
|
|
window->keyboard_focus_handler = handler;
|
|
}
|
|
|
|
void
|
|
window_move(struct window *window, int32_t x, int32_t y)
|
|
{
|
|
window->allocation.x = x;
|
|
window->allocation.y = y;
|
|
|
|
wl_surface_map(window->surface,
|
|
window->allocation.x - window->margin,
|
|
window->allocation.y - window->margin,
|
|
window->allocation.width,
|
|
window->allocation.height);
|
|
}
|
|
|
|
struct window *
|
|
window_create(struct display *display, const char *title,
|
|
int32_t x, int32_t y, int32_t width, int32_t height)
|
|
{
|
|
struct window *window;
|
|
|
|
window = malloc(sizeof *window);
|
|
if (window == NULL)
|
|
return NULL;
|
|
|
|
memset(window, 0, sizeof *window);
|
|
window->display = display;
|
|
window->title = strdup(title);
|
|
window->surface = wl_compositor_create_surface(display->compositor);
|
|
window->allocation.x = x;
|
|
window->allocation.y = y;
|
|
window->allocation.width = width;
|
|
window->allocation.height = height;
|
|
window->saved_allocation = window->allocation;
|
|
window->margin = 16;
|
|
window->decoration = 1;
|
|
|
|
wl_surface_set_user_data(window->surface, window);
|
|
wl_list_insert(display->window_list.prev, &window->link);
|
|
|
|
return window;
|
|
}
|
|
|
|
static void
|
|
drm_handle_device(void *data, struct wl_drm *drm, const char *device)
|
|
{
|
|
struct display *d = data;
|
|
|
|
d->device_name = strdup(device);
|
|
}
|
|
|
|
static void drm_handle_authenticated(void *data, struct wl_drm *drm)
|
|
{
|
|
struct display *d = data;
|
|
|
|
d->authenticated = 1;
|
|
}
|
|
|
|
static const struct wl_drm_listener drm_listener = {
|
|
drm_handle_device,
|
|
drm_handle_authenticated
|
|
};
|
|
|
|
static void
|
|
display_handle_acknowledge(void *data,
|
|
struct wl_compositor *compositor,
|
|
uint32_t key, uint32_t frame)
|
|
{
|
|
struct display *d = data;
|
|
struct window *window;
|
|
|
|
/* The acknowledge event means that the server processed our
|
|
* last commit request and we can now safely free the old
|
|
* window buffer if we resized and render the next frame into
|
|
* our back buffer.. */
|
|
wl_list_for_each(window, &d->window_list, link) {
|
|
cairo_surface_destroy(window->pending_surface);
|
|
window->pending_surface = NULL;
|
|
if (window->cairo_surface)
|
|
window_attach_surface(window);
|
|
if (window->acknowledge_handler)
|
|
(*window->acknowledge_handler)(window, key, frame, window->user_data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
display_handle_frame(void *data,
|
|
struct wl_compositor *compositor,
|
|
uint32_t frame, uint32_t timestamp)
|
|
{
|
|
struct display *d = data;
|
|
struct window *window;
|
|
|
|
wl_list_for_each(window, &d->window_list, link) {
|
|
if (window->frame_handler)
|
|
(*window->frame_handler)(window, frame,
|
|
timestamp, window->user_data);
|
|
}
|
|
}
|
|
|
|
static const struct wl_compositor_listener compositor_listener = {
|
|
display_handle_acknowledge,
|
|
display_handle_frame,
|
|
};
|
|
|
|
static void
|
|
display_handle_geometry(void *data,
|
|
struct wl_output *output,
|
|
int32_t width, int32_t height)
|
|
{
|
|
struct display *display = data;
|
|
|
|
display->screen_allocation.x = 0;
|
|
display->screen_allocation.y = 0;
|
|
display->screen_allocation.width = width;
|
|
display->screen_allocation.height = height;
|
|
}
|
|
|
|
static const struct wl_output_listener output_listener = {
|
|
display_handle_geometry,
|
|
};
|
|
|
|
static void
|
|
display_add_input(struct display *d, uint32_t id)
|
|
{
|
|
struct input *input;
|
|
|
|
input = malloc(sizeof *input);
|
|
if (input == NULL)
|
|
return;
|
|
|
|
memset(input, 0, sizeof *input);
|
|
input->display = d;
|
|
input->input_device = wl_input_device_create(d->display, id);
|
|
input->pointer_focus = NULL;
|
|
input->keyboard_focus = NULL;
|
|
wl_list_insert(d->input_list.prev, &input->link);
|
|
|
|
wl_input_device_add_listener(input->input_device,
|
|
&input_device_listener, input);
|
|
}
|
|
|
|
static void
|
|
display_handle_global(struct wl_display *display, uint32_t id,
|
|
const char *interface, uint32_t version, void *data)
|
|
{
|
|
struct display *d = data;
|
|
|
|
if (strcmp(interface, "compositor") == 0) {
|
|
d->compositor = wl_compositor_create(display, id);
|
|
wl_compositor_add_listener(d->compositor,
|
|
&compositor_listener, d);
|
|
} else if (strcmp(interface, "output") == 0) {
|
|
d->output = wl_output_create(display, id);
|
|
wl_output_add_listener(d->output, &output_listener, d);
|
|
} else if (strcmp(interface, "input_device") == 0) {
|
|
display_add_input(d, id);
|
|
} else if (strcmp(interface, "shell") == 0) {
|
|
d->shell = wl_shell_create(display, id);
|
|
wl_shell_add_listener(d->shell, &shell_listener, d);
|
|
} else if (strcmp(interface, "drm") == 0) {
|
|
d->drm = wl_drm_create(display, id);
|
|
wl_drm_add_listener(d->drm, &drm_listener, d);
|
|
}
|
|
}
|
|
|
|
static const char socket_name[] = "\0wayland";
|
|
|
|
static void
|
|
display_render_frame(struct display *d)
|
|
{
|
|
int radius = 8;
|
|
cairo_t *cr;
|
|
|
|
d->shadow = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
|
|
cr = cairo_create(d->shadow);
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
|
|
cairo_set_source_rgba(cr, 0, 0, 0, 1);
|
|
rounded_rect(cr, 16, 16, 112, 112, radius);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
blur_surface(d->shadow, 64);
|
|
|
|
d->active_frame =
|
|
cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
|
|
cr = cairo_create(d->active_frame);
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
|
|
cairo_set_source_rgba(cr, 0.8, 0.8, 0.4, 1);
|
|
rounded_rect(cr, 16, 16, 112, 112, radius);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
|
|
d->inactive_frame =
|
|
cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128);
|
|
cr = cairo_create(d->inactive_frame);
|
|
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
|
|
cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
|
|
rounded_rect(cr, 16, 16, 112, 112, radius);
|
|
cairo_fill(cr);
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
static void
|
|
init_xkb(struct display *d)
|
|
{
|
|
struct xkb_rule_names names;
|
|
|
|
names.rules = "evdev";
|
|
names.model = "pc105";
|
|
names.layout = "us";
|
|
names.variant = "";
|
|
names.options = "";
|
|
|
|
d->xkb = xkb_compile_keymap_from_rules(&names);
|
|
if (!d->xkb) {
|
|
fprintf(stderr, "Failed to compile keymap\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
struct display *
|
|
display_create(int *argc, char **argv[], const GOptionEntry *option_entries)
|
|
{
|
|
struct display *d;
|
|
EGLint major, minor;
|
|
int fd;
|
|
GOptionContext *context;
|
|
GError *error;
|
|
drm_magic_t magic;
|
|
|
|
g_type_init();
|
|
|
|
context = g_option_context_new(NULL);
|
|
if (option_entries) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
d = malloc(sizeof *d);
|
|
if (d == NULL)
|
|
return NULL;
|
|
|
|
d->display = wl_display_create(socket_name, sizeof socket_name);
|
|
if (d->display == NULL) {
|
|
fprintf(stderr, "failed to create display: %m\n");
|
|
return NULL;
|
|
}
|
|
|
|
wl_list_init(&d->input_list);
|
|
|
|
/* Set up listener so we'll catch all events. */
|
|
wl_display_add_global_listener(d->display,
|
|
display_handle_global, d);
|
|
|
|
/* Process connection events. */
|
|
wl_display_iterate(d->display, WL_DISPLAY_READABLE);
|
|
|
|
fd = open(d->device_name, O_RDWR);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "drm open failed: %m\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (drmGetMagic(fd, &magic)) {
|
|
fprintf(stderr, "DRI2: failed to get drm magic");
|
|
return NULL;
|
|
}
|
|
|
|
/* Wait for authenticated event */
|
|
wl_drm_authenticate(d->drm, magic);
|
|
wl_display_iterate(d->display, WL_DISPLAY_WRITABLE);
|
|
while (!d->authenticated)
|
|
wl_display_iterate(d->display, WL_DISPLAY_READABLE);
|
|
|
|
d->dpy = eglGetDRMDisplayMESA(fd);
|
|
if (!eglInitialize(d->dpy, &major, &minor)) {
|
|
fprintf(stderr, "failed to initialize display\n");
|
|
return NULL;
|
|
}
|
|
|
|
eglBindAPI(EGL_OPENGL_API);
|
|
|
|
d->ctx = eglCreateContext(d->dpy, NULL, EGL_NO_CONTEXT, NULL);
|
|
if (d->ctx == NULL) {
|
|
fprintf(stderr, "failed to create context\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!eglMakeCurrent(d->dpy, NULL, NULL, d->ctx)) {
|
|
fprintf(stderr, "faile to make context current\n");
|
|
return NULL;
|
|
}
|
|
|
|
d->device = cairo_egl_device_create(d->dpy, d->ctx);
|
|
if (d->device == NULL) {
|
|
fprintf(stderr, "failed to get cairo drm device\n");
|
|
return NULL;
|
|
}
|
|
|
|
display_render_frame(d);
|
|
|
|
d->loop = g_main_loop_new(NULL, FALSE);
|
|
d->source = wl_glib_source_new(d->display);
|
|
g_source_attach(d->source, NULL);
|
|
|
|
wl_list_init(&d->window_list);
|
|
|
|
init_xkb(d);
|
|
|
|
return d;
|
|
}
|
|
|
|
struct wl_compositor *
|
|
display_get_compositor(struct display *display)
|
|
{
|
|
return display->compositor;
|
|
}
|
|
|
|
EGLDisplay
|
|
display_get_egl_display(struct display *d)
|
|
{
|
|
return d->dpy;
|
|
}
|
|
|
|
void
|
|
display_run(struct display *d)
|
|
{
|
|
g_main_loop_run(d->loop);
|
|
}
|
|
|