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/*
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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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#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 <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_output *output;
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struct wl_input_device *input_device;
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struct rectangle screen_allocation;
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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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};
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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;
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int minimum_width, minimum_height;
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int margin;
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int drag_x, drag_y;
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int state;
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int fullscreen;
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int decoration;
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struct wl_input_device *grab_device;
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struct wl_input_device *keyboard_device;
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uint32_t name;
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uint32_t modifiers;
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EGLImageKHR *image;
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cairo_surface_t *cairo_surface, *pending_surface;
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int new_surface;
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window_resize_handler_t resize_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_frame_handler_t frame_handler;
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void *user_data;
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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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window_create_surface(struct window *window,
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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 = window->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(window->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 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 =
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cairo_surface_reference(window->cairo_surface);
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data = cairo_surface_get_user_data (window->cairo_surface, &surface_data_key);
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eglExportDRMImageMESA(window->display->dpy, data->image, &name, NULL, &stride);
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visual = wl_display_get_premultiplied_argb_visual(window->display->display);
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wl_surface_attach(window->surface,
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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_map(window->surface,
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window->allocation.x - window->margin,
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window->allocation.y - window->margin,
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window->allocation.width,
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window->allocation.height);
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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->new_surface) {
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window_attach_surface(window);
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window->new_surface = 0;
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}
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wl_compositor_commit(window->display->compositor, key);
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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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int border = 2, radius = 5;
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cairo_text_extents_t extents;
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cairo_pattern_t *gradient, *outline, *bright, *dim;
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int width, height;
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int shadow_dx = 4, shadow_dy = 4;
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window->cairo_surface =
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window_create_surface(window, &window->allocation);
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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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width = window->allocation.width - window->margin * 2;
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height = window->allocation.height - window->margin * 2;
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cairo_translate(cr, window->margin + shadow_dx,
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window->margin + shadow_dy);
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cairo_set_line_width (cr, border);
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cairo_set_source_rgba(cr, 0, 0, 0, 0.7);
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rounded_rect(cr, -1, -1, width + 1, height + 1, radius);
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cairo_fill(cr);
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#define SLOW_BUT_PWETTY_not_right_now
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#ifdef SLOW_BUT_PWETTY
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/* FIXME: Aw, pretty drop shadows now have to fallback to sw.
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* Ideally we should have convolution filters in cairo, but we
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* can also fallback to compositing the shadow image a bunch
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* of times according to the blur kernel. */
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{
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cairo_surface_t *map;
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map = cairo_drm_surface_map(window->cairo_surface);
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blur_surface(map, 32);
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cairo_drm_surface_unmap(window->cairo_surface, map);
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}
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#endif
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cairo_translate(cr, -shadow_dx, -shadow_dy);
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if (window->keyboard_device) {
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rounded_rect(cr, 0, 0, width, height, radius);
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gradient = cairo_pattern_create_linear (0, 0, 0, 100);
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cairo_pattern_add_color_stop_rgb(gradient, 0, 0.6, 0.6, 0.6);
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cairo_pattern_add_color_stop_rgb(gradient, 1, 0.8, 0.8, 0.8);
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cairo_set_source(cr, gradient);
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cairo_fill(cr);
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cairo_pattern_destroy(gradient);
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} else {
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rounded_rect(cr, 0, 0, width, height, radius);
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cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
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cairo_fill(cr);
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}
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_move_to(cr, 10, 50);
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cairo_line_to(cr, width - 10, 50);
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cairo_line_to(cr, width - 10, height - 10);
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cairo_line_to(cr, 10, height - 10);
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cairo_close_path(cr);
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cairo_set_source(cr, dim);
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cairo_stroke(cr);
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cairo_move_to(cr, 11, 51);
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cairo_line_to(cr, width - 10, 51);
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cairo_line_to(cr, width - 10, height - 10);
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cairo_line_to(cr, 11, height - 10);
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cairo_close_path(cr);
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cairo_set_source(cr, bright);
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cairo_stroke(cr);
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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, 10 - 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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cairo_text_path(cr, window->title);
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if (window->keyboard_device) {
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cairo_set_source_rgb(cr, 0.56, 0.56, 0.56);
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cairo_stroke_preserve(cr);
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_fill(cr);
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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_fill(cr);
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}
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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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window_create_surface(window, &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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window->new_surface = 1;
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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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static void
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window_handle_acknowledge(void *data,
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struct wl_compositor *compositor,
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uint32_t key, uint32_t frame)
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{
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struct window *window = data;
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cairo_surface_t *pending;
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/* The acknowledge event means that the server
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* processed our last commit request and we can now
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* safely free the old window buffer if we resized and
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* render the next frame into our back buffer.. */
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pending = window->pending_surface;
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window->pending_surface = NULL;
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if (pending != window->cairo_surface)
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window_attach_surface(window);
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cairo_surface_destroy(pending);
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}
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static void
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window_handle_frame(void *data,
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struct wl_compositor *compositor,
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uint32_t frame, uint32_t timestamp)
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{
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struct window *window = data;
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if (window->frame_handler)
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(*window->frame_handler)(window, frame, timestamp, window->user_data);
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}
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static const struct wl_compositor_listener compositor_listener = {
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window_handle_acknowledge,
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window_handle_frame,
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};
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enum window_state {
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WINDOW_STABLE,
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WINDOW_MOVING,
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WINDOW_RESIZING_UPPER_LEFT,
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WINDOW_RESIZING_UPPER_RIGHT,
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WINDOW_RESIZING_LOWER_LEFT,
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WINDOW_RESIZING_LOWER_RIGHT
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};
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|
|
enum location {
|
|
|
|
LOCATION_INTERIOR,
|
|
|
|
LOCATION_UPPER_LEFT,
|
|
|
|
LOCATION_UPPER_RIGHT,
|
|
|
|
LOCATION_LOWER_LEFT,
|
|
|
|
LOCATION_LOWER_RIGHT,
|
|
|
|
LOCATION_OUTSIDE
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_handle_motion(void *data, struct wl_input_device *input_device,
|
|
|
|
int32_t x, int32_t y, int32_t sx, int32_t sy)
|
|
|
|
{
|
|
|
|
struct window *window = data;
|
|
|
|
|
|
|
|
switch (window->state) {
|
|
|
|
case WINDOW_MOVING:
|
|
|
|
if (window->fullscreen)
|
|
|
|
break;
|
|
|
|
if (window->grab_device != input_device)
|
|
|
|
break;
|
|
|
|
window->allocation.x = window->drag_x + x;
|
|
|
|
window->allocation.y = window->drag_y + y;
|
|
|
|
wl_surface_map(window->surface,
|
|
|
|
window->allocation.x - window->margin,
|
|
|
|
window->allocation.y - window->margin,
|
|
|
|
window->allocation.width,
|
|
|
|
window->allocation.height);
|
|
|
|
wl_compositor_commit(window->display->compositor, 1);
|
|
|
|
break;
|
|
|
|
case WINDOW_RESIZING_LOWER_RIGHT:
|
|
|
|
if (window->fullscreen)
|
|
|
|
break;
|
|
|
|
if (window->grab_device != input_device)
|
|
|
|
break;
|
|
|
|
window->allocation.width = window->drag_x + x;
|
|
|
|
window->allocation.height = window->drag_y + y;
|
|
|
|
|
|
|
|
if (window->resize_handler)
|
|
|
|
(*window->resize_handler)(window,
|
|
|
|
window->user_data);
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void window_handle_button(void *data, struct wl_input_device *input_device,
|
|
|
|
uint32_t button, uint32_t state,
|
|
|
|
int32_t x, int32_t y, int32_t sx, int32_t sy)
|
|
|
|
{
|
|
|
|
struct window *window = data;
|
|
|
|
int32_t left = window->allocation.x;
|
|
|
|
int32_t right = window->allocation.x +
|
|
|
|
window->allocation.width - window->margin * 2;
|
|
|
|
int32_t top = window->allocation.y;
|
|
|
|
int32_t bottom = window->allocation.y +
|
|
|
|
window->allocation.height - window->margin * 2;
|
|
|
|
int grip_size = 16, location;
|
|
|
|
|
|
|
|
if (right - grip_size <= x && x < right &&
|
|
|
|
bottom - grip_size <= y && y < bottom) {
|
|
|
|
location = LOCATION_LOWER_RIGHT;
|
|
|
|
} else if (left <= x && x < right && top <= y && y < bottom) {
|
|
|
|
location = LOCATION_INTERIOR;
|
|
|
|
} else {
|
|
|
|
location = LOCATION_OUTSIDE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (button == BTN_LEFT && state == 1) {
|
|
|
|
switch (location) {
|
|
|
|
case LOCATION_INTERIOR:
|
|
|
|
window->drag_x = window->allocation.x - x;
|
|
|
|
window->drag_y = window->allocation.y - y;
|
|
|
|
window->state = WINDOW_MOVING;
|
|
|
|
window->grab_device = input_device;
|
|
|
|
break;
|
|
|
|
case LOCATION_LOWER_RIGHT:
|
|
|
|
window->drag_x = window->allocation.width - x;
|
|
|
|
window->drag_y = window->allocation.height - y;
|
|
|
|
window->state = WINDOW_RESIZING_LOWER_RIGHT;
|
|
|
|
window->grab_device = input_device;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
window->state = WINDOW_STABLE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else if (button == BTN_LEFT &&
|
|
|
|
state == 0 && window->grab_device == input_device) {
|
|
|
|
window->state = WINDOW_STABLE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
struct key {
|
|
|
|
uint32_t code[4];
|
|
|
|
} evdev_keymap[] = {
|
|
|
|
{ { 0, 0 } }, /* 0 */
|
|
|
|
{ { 0x1b, 0x1b } },
|
|
|
|
{ { '1', '!' } },
|
|
|
|
{ { '2', '@' } },
|
|
|
|
{ { '3', '#' } },
|
|
|
|
{ { '4', '$' } },
|
|
|
|
{ { '5', '%' } },
|
|
|
|
{ { '6', '^' } },
|
|
|
|
{ { '7', '&' } },
|
|
|
|
{ { '8', '*' } },
|
|
|
|
{ { '9', '(' } },
|
|
|
|
{ { '0', ')' } },
|
|
|
|
{ { '-', '_' } },
|
|
|
|
{ { '=', '+' } },
|
|
|
|
{ { '\b', '\b' } },
|
|
|
|
{ { '\t', '\t' } },
|
|
|
|
|
|
|
|
{ { 'q', 'Q', 0x11 } }, /* 16 */
|
|
|
|
{ { 'w', 'W', 0x17 } },
|
|
|
|
{ { 'e', 'E', 0x05 } },
|
|
|
|
{ { 'r', 'R', 0x12 } },
|
|
|
|
{ { 't', 'T', 0x14 } },
|
|
|
|
{ { 'y', 'Y', 0x19 } },
|
|
|
|
{ { 'u', 'U', 0x15 } },
|
|
|
|
{ { 'i', 'I', 0x09 } },
|
|
|
|
{ { 'o', 'O', 0x0f } },
|
|
|
|
{ { 'p', 'P', 0x10 } },
|
|
|
|
{ { '[', '{', 0x1b } },
|
|
|
|
{ { ']', '}', 0x1d } },
|
|
|
|
{ { '\n', '\n' } },
|
|
|
|
{ { 0, 0 } },
|
|
|
|
{ { 'a', 'A', 0x01} },
|
|
|
|
{ { 's', 'S', 0x13 } },
|
|
|
|
|
|
|
|
{ { 'd', 'D', 0x04 } }, /* 32 */
|
|
|
|
{ { 'f', 'F', 0x06 } },
|
|
|
|
{ { 'g', 'G', 0x07 } },
|
|
|
|
{ { 'h', 'H', 0x08 } },
|
|
|
|
{ { 'j', 'J', 0x0a } },
|
|
|
|
{ { 'k', 'K', 0x0b } },
|
|
|
|
{ { 'l', 'L', 0x0c } },
|
|
|
|
{ { ';', ':' } },
|
|
|
|
{ { '\'', '"' } },
|
|
|
|
{ { '`', '~' } },
|
|
|
|
{ { 0, 0 } },
|
|
|
|
{ { '\\', '|', 0x1c } },
|
|
|
|
{ { 'z', 'Z', 0x1a } },
|
|
|
|
{ { 'x', 'X', 0x18 } },
|
|
|
|
{ { 'c', 'C', 0x03 } },
|
|
|
|
{ { 'v', 'V', 0x16 } },
|
|
|
|
|
|
|
|
{ { 'b', 'B', 0x02 } }, /* 48 */
|
|
|
|
{ { 'n', 'N', 0x0e } },
|
|
|
|
{ { 'm', 'M', 0x0d } },
|
|
|
|
{ { ',', '<' } },
|
|
|
|
{ { '.', '>' } },
|
|
|
|
{ { '/', '?' } },
|
|
|
|
{ { 0, 0 } },
|
|
|
|
{ { '*', '*' } },
|
|
|
|
{ { 0, 0 } },
|
|
|
|
{ { ' ', ' ' } },
|
|
|
|
{ { 0, 0 } }
|
|
|
|
|
|
|
|
/* 59 */
|
|
|
|
};
|
|
|
|
|
|
|
|
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_update_modifiers(struct window *window, uint32_t key, uint32_t state)
|
|
|
|
{
|
|
|
|
uint32_t mod = 0;
|
|
|
|
|
|
|
|
switch (key) {
|
|
|
|
case KEY_LEFTSHIFT:
|
|
|
|
case KEY_RIGHTSHIFT:
|
|
|
|
mod = WINDOW_MODIFIER_SHIFT;
|
|
|
|
break;
|
|
|
|
case KEY_LEFTCTRL:
|
|
|
|
case KEY_RIGHTCTRL:
|
|
|
|
mod = WINDOW_MODIFIER_CONTROL;
|
|
|
|
break;
|
|
|
|
case KEY_LEFTALT:
|
|
|
|
case KEY_RIGHTALT:
|
|
|
|
mod = WINDOW_MODIFIER_ALT;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (state)
|
|
|
|
window->modifiers |= mod;
|
|
|
|
else
|
|
|
|
window->modifiers &= ~mod;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_handle_key(void *data, struct wl_input_device *input_device,
|
|
|
|
uint32_t key, uint32_t state)
|
|
|
|
{
|
|
|
|
struct window *window = data;
|
|
|
|
uint32_t unicode = 0;
|
|
|
|
|
|
|
|
if (window->keyboard_device != input_device)
|
|
|
|
return;
|
|
|
|
|
|
|
|
window_update_modifiers(window, key, state);
|
|
|
|
|
|
|
|
if (key < ARRAY_LENGTH(evdev_keymap)) {
|
|
|
|
if (window->modifiers & WINDOW_MODIFIER_CONTROL)
|
|
|
|
unicode = evdev_keymap[key].code[2];
|
|
|
|
else if (window->modifiers & WINDOW_MODIFIER_SHIFT)
|
|
|
|
unicode = evdev_keymap[key].code[1];
|
|
|
|
else
|
|
|
|
unicode = evdev_keymap[key].code[0];
|
|
|
|
}
|
|
|
|
|
|
|
|
if (window->key_handler)
|
|
|
|
(*window->key_handler)(window, key, unicode,
|
|
|
|
state, window->modifiers, window->user_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_handle_pointer_focus(void *data,
|
|
|
|
struct wl_input_device *input_device,
|
|
|
|
struct wl_surface *surface)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
window_handle_keyboard_focus(void *data,
|
|
|
|
struct wl_input_device *input_device,
|
|
|
|
struct wl_surface *surface,
|
|
|
|
struct wl_array *keys)
|
|
|
|
{
|
|
|
|
struct window *window = data;
|
|
|
|
uint32_t *k, *end;
|
|
|
|
|
|
|
|
if (window->keyboard_device == input_device && surface != window->surface)
|
|
|
|
window->keyboard_device = NULL;
|
|
|
|
else if (window->keyboard_device == NULL && surface == window->surface)
|
|
|
|
window->keyboard_device = input_device;
|
|
|
|
else
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (window->keyboard_device) {
|
|
|
|
end = keys->data + keys->size;
|
|
|
|
for (k = keys->data; k < end; k++)
|
|
|
|
window_update_modifiers(window, *k, 1);
|
|
|
|
} else {
|
|
|
|
window->modifiers = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
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,
|
|
|
|
};
|
|
|
|
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
if (!window->fullscreen) {
|
|
|
|
window->allocation.width = rectangle->width + 20 + window->margin * 2;
|
|
|
|
window->allocation.height = rectangle->height + 60 + window->margin * 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
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_resize_handler(struct window *window,
|
|
|
|
window_resize_handler_t handler, void *data)
|
|
|
|
{
|
|
|
|
window->resize_handler = handler;
|
|
|
|
window->user_data = data;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
window_set_key_handler(struct window *window,
|
|
|
|
window_key_handler_t handler, void *data)
|
|
|
|
{
|
|
|
|
window->key_handler = handler;
|
|
|
|
window->user_data = data;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
window_set_frame_handler(struct window *window,
|
|
|
|
window_frame_handler_t handler, void *data)
|
|
|
|
{
|
|
|
|
window->frame_handler = handler;
|
|
|
|
window->user_data = data;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
window_set_keyboard_focus_handler(struct window *window,
|
|
|
|
window_keyboard_focus_handler_t handler, void *data)
|
|
|
|
{
|
|
|
|
window->keyboard_focus_handler = handler;
|
|
|
|
window->user_data = data;
|
|
|
|
}
|
|
|
|
|
|
|
|
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->state = WINDOW_STABLE;
|
|
|
|
|
|
|
|
wl_compositor_add_listener(display->compositor,
|
|
|
|
&compositor_listener, window);
|
|
|
|
|
|
|
|
wl_input_device_add_listener(display->input_device,
|
|
|
|
&input_device_listener, window);
|
|
|
|
|
|
|
|
return window;
|
|
|
|
}
|
|
|
|
|
|
|
|
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_handle_global(struct wl_display *display,
|
|
|
|
struct wl_object *object, void *data)
|
|
|
|
{
|
|
|
|
struct display *d = data;
|
|
|
|
|
|
|
|
if (wl_object_implements(object, "compositor", 1)) {
|
|
|
|
d->compositor = (struct wl_compositor *) object;
|
|
|
|
} else if (wl_object_implements(object, "output", 1)) {
|
|
|
|
d->output = (struct wl_output *) object;
|
|
|
|
wl_output_add_listener(d->output, &output_listener, d);
|
|
|
|
} else if (wl_object_implements(object, "input_device", 1)) {
|
|
|
|
d->input_device =(struct wl_input_device *) object;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
struct display *
|
|
|
|
display_create(struct wl_display *display, int fd)
|
|
|
|
{
|
|
|
|
PFNEGLGETTYPEDDISPLAYMESA get_typed_display_mesa;
|
|
|
|
struct display *d;
|
|
|
|
EGLint major, minor, count;
|
|
|
|
EGLConfig config;
|
|
|
|
|
|
|
|
static const EGLint config_attribs[] = {
|
|
|
|
EGL_SURFACE_TYPE, 0,
|
|
|
|
EGL_NO_SURFACE_CAPABLE_MESA, EGL_OPENGL_BIT,
|
|
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
|
|
|
|
EGL_NONE
|
|
|
|
};
|
|
|
|
|
|
|
|
d = malloc(sizeof *d);
|
|
|
|
if (d == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
get_typed_display_mesa =
|
|
|
|
(PFNEGLGETTYPEDDISPLAYMESA) eglGetProcAddress("eglGetTypedDisplayMESA");
|
|
|
|
if (get_typed_display_mesa == NULL) {
|
|
|
|
fprintf(stderr, "eglGetDisplayMESA() not found\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
d->dpy = get_typed_display_mesa(EGL_DRM_DISPLAY_TYPE_MESA,
|
|
|
|
(void *) fd);
|
|
|
|
if (!eglInitialize(d->dpy, &major, &minor)) {
|
|
|
|
fprintf(stderr, "failed to initialize display\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!eglChooseConfig(d->dpy, config_attribs, &config, 1, &count) ||
|
|
|
|
count == 0) {
|
|
|
|
fprintf(stderr, "eglChooseConfig() failed\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
eglBindAPI(EGL_OPENGL_API);
|
|
|
|
|
|
|
|
d->ctx = eglCreateContext(d->dpy, config, 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->display = display;
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set up listener so we'll catch all events. */
|
|
|
|
wl_display_add_global_listener(display,
|
|
|
|
display_handle_global, d);
|
|
|
|
|
|
|
|
/* Process connection events. */
|
|
|
|
wl_display_iterate(display, WL_DISPLAY_READABLE);
|
|
|
|
|
|
|
|
return d;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct wl_compositor *
|
|
|
|
display_get_compositor(struct display *display)
|
|
|
|
{
|
|
|
|
return display->compositor;
|
|
|
|
}
|