mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
4b03bdc3ab
This callback allowed compositors to customize the EGL config used by the renderer. However with renderer v6 EGL configs aren't used anymore. Instead, buffers are allocated via GBM and GL FBOs are rendered to. So customizing the EGL config is a no-op.
407 lines
13 KiB
C
407 lines
13 KiB
C
#define _POSIX_C_SOURCE 200112L
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#include <assert.h>
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#include <math.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 <time.h>
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#include <unistd.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/backend/session.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_cursor.h>
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#include <wlr/types/wlr_keyboard.h>
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#include <wlr/types/wlr_list.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_pointer.h>
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#include <wlr/types/wlr_tablet_tool.h>
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#include <wlr/types/wlr_touch.h>
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#include <wlr/types/wlr_xcursor_manager.h>
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#include <wlr/util/log.h>
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#include <xkbcommon/xkbcommon.h>
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struct sample_state {
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struct wl_display *display;
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struct compositor_state *compositor;
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struct wlr_xcursor_manager *xcursor_manager;
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struct wlr_cursor *cursor;
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double cur_x, cur_y;
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float default_color[4];
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float clear_color[4];
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struct wlr_output_layout *layout;
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struct wl_list devices;
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struct timespec last_frame;
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struct wl_listener new_output;
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struct wl_listener new_input;
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struct wl_listener cursor_motion;
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struct wl_listener cursor_motion_absolute;
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struct wl_listener cursor_button;
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struct wl_listener cursor_axis;
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struct wl_listener touch_motion;
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struct wl_listener touch_up;
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struct wl_listener touch_down;
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struct wl_listener touch_cancel;
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struct wl_list touch_points;
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struct wl_listener tablet_tool_axis;
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struct wl_listener tablet_tool_proxmity;
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struct wl_listener tablet_tool_tip;
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struct wl_listener tablet_tool_button;
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};
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struct touch_point {
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int32_t touch_id;
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double x, y;
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struct wl_list link;
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};
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struct sample_output {
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struct sample_state *state;
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struct wlr_output *output;
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struct wl_listener frame;
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struct wl_listener destroy;
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};
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struct sample_keyboard {
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struct sample_state *state;
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struct wlr_input_device *device;
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struct wl_listener key;
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struct wl_listener destroy;
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};
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static void warp_to_touch(struct sample_state *state,
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struct wlr_input_device *dev) {
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if (wl_list_empty(&state->touch_points)) {
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return;
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}
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double x = 0, y = 0;
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size_t n = 0;
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struct touch_point *point;
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wl_list_for_each(point, &state->touch_points, link) {
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x += point->x;
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y += point->y;
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n++;
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}
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x /= n;
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y /= n;
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wlr_cursor_warp_absolute(state->cursor, dev, x, y);
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}
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static void output_frame_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
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struct sample_state *state = sample_output->state;
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struct wlr_output *wlr_output = sample_output->output;
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struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
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assert(renderer);
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wlr_output_attach_render(wlr_output, NULL);
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wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
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wlr_renderer_clear(renderer, state->clear_color);
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wlr_output_render_software_cursors(wlr_output, NULL);
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wlr_renderer_end(renderer);
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wlr_output_commit(wlr_output);
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}
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static void handle_cursor_motion(struct wl_listener *listener, void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, cursor_motion);
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struct wlr_event_pointer_motion *event = data;
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wlr_cursor_move(sample->cursor, event->device, event->delta_x,
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event->delta_y);
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}
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static void handle_cursor_motion_absolute(struct wl_listener *listener,
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void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, cursor_motion_absolute);
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struct wlr_event_pointer_motion_absolute *event = data;
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sample->cur_x = event->x;
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sample->cur_y = event->y;
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wlr_cursor_warp_absolute(sample->cursor, event->device, sample->cur_x,
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sample->cur_y);
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}
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static void handle_cursor_button(struct wl_listener *listener, void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, cursor_button);
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struct wlr_event_pointer_button *event = data;
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float (*color)[4];
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if (event->state == WLR_BUTTON_RELEASED) {
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color = &sample->default_color;
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memcpy(&sample->clear_color, color, sizeof(*color));
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} else {
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float red[4] = { 0.25f, 0.25f, 0.25f, 1 };
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red[event->button % 3] = 1;
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color = &red;
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memcpy(&sample->clear_color, color, sizeof(*color));
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}
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}
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static void handle_cursor_axis(struct wl_listener *listener, void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, cursor_axis);
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struct wlr_event_pointer_axis *event = data;
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for (size_t i = 0; i < 3; ++i) {
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sample->default_color[i] += event->delta > 0 ? -0.05f : 0.05f;
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if (sample->default_color[i] > 1.0f) {
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sample->default_color[i] = 1.0f;
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}
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if (sample->default_color[i] < 0.0f) {
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sample->default_color[i] = 0.0f;
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}
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}
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memcpy(&sample->clear_color, &sample->default_color,
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sizeof(sample->clear_color));
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}
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static void handle_touch_up(struct wl_listener *listener, void *data) {
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struct sample_state *sample = wl_container_of(listener, sample, touch_up);
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struct wlr_event_touch_up *event = data;
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struct touch_point *point, *tmp;
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wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
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if (point->touch_id == event->touch_id) {
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wl_list_remove(&point->link);
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break;
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}
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}
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warp_to_touch(sample, event->device);
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}
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static void handle_touch_down(struct wl_listener *listener, void *data) {
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struct sample_state *sample = wl_container_of(listener, sample, touch_down);
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struct wlr_event_touch_down *event = data;
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struct touch_point *point = calloc(1, sizeof(struct touch_point));
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point->touch_id = event->touch_id;
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point->x = event->x;
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point->y = event->y;
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wl_list_insert(&sample->touch_points, &point->link);
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warp_to_touch(sample, event->device);
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}
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static void handle_touch_motion(struct wl_listener *listener, void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, touch_motion);
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struct wlr_event_touch_motion *event = data;
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struct touch_point *point;
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wl_list_for_each(point, &sample->touch_points, link) {
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if (point->touch_id == event->touch_id) {
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point->x = event->x;
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point->y = event->y;
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break;
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}
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}
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warp_to_touch(sample, event->device);
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}
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static void handle_touch_cancel(struct wl_listener *listener, void *data) {
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wlr_log(WLR_DEBUG, "TODO: touch cancel");
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}
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static void handle_tablet_tool_axis(struct wl_listener *listener, void *data) {
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struct sample_state *sample =
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wl_container_of(listener, sample, tablet_tool_axis);
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struct wlr_event_tablet_tool_axis *event = data;
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if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
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(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
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wlr_cursor_warp_absolute(sample->cursor,
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event->device, event->x, event->y);
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}
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}
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static void keyboard_key_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
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struct sample_state *sample = keyboard->state;
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struct wlr_event_keyboard_key *event = data;
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uint32_t keycode = event->keycode + 8;
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const xkb_keysym_t *syms;
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int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
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keycode, &syms);
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for (int i = 0; i < nsyms; i++) {
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xkb_keysym_t sym = syms[i];
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if (sym == XKB_KEY_Escape) {
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wl_display_terminate(sample->display);
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}
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}
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}
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static void output_remove_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
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struct sample_state *sample = sample_output->state;
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wlr_output_layout_remove(sample->layout, sample_output->output);
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wl_list_remove(&sample_output->frame.link);
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wl_list_remove(&sample_output->destroy.link);
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free(sample_output);
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}
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static void new_output_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *output = data;
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struct sample_state *sample = wl_container_of(listener, sample, new_output);
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struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
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if (!wl_list_empty(&output->modes)) {
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struct wlr_output_mode *mode = wl_container_of(output->modes.prev, mode, link);
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wlr_output_set_mode(output, mode);
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}
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sample_output->output = output;
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sample_output->state = sample;
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wl_signal_add(&output->events.frame, &sample_output->frame);
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sample_output->frame.notify = output_frame_notify;
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wl_signal_add(&output->events.destroy, &sample_output->destroy);
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sample_output->destroy.notify = output_remove_notify;
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wlr_output_layout_add_auto(sample->layout, sample_output->output);
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wlr_xcursor_manager_load(sample->xcursor_manager, output->scale);
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wlr_xcursor_manager_set_cursor_image(sample->xcursor_manager, "left_ptr",
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sample->cursor);
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wlr_output_commit(output);
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}
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static void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
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wl_list_remove(&keyboard->destroy.link);
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wl_list_remove(&keyboard->key.link);
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free(keyboard);
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}
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static void new_input_notify(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct sample_state *state = wl_container_of(listener, state, new_input);
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switch (device->type) {
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case WLR_INPUT_DEVICE_POINTER:
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case WLR_INPUT_DEVICE_TOUCH:
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case WLR_INPUT_DEVICE_TABLET_TOOL:
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wlr_cursor_attach_input_device(state->cursor, device);
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break;
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case WLR_INPUT_DEVICE_KEYBOARD:;
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struct sample_keyboard *keyboard = calloc(1, sizeof(struct sample_keyboard));
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keyboard->device = device;
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keyboard->state = state;
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wl_signal_add(&device->events.destroy, &keyboard->destroy);
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keyboard->destroy.notify = keyboard_destroy_notify;
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wl_signal_add(&device->keyboard->events.key, &keyboard->key);
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keyboard->key.notify = keyboard_key_notify;
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struct xkb_rule_names rules = { 0 };
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rules.rules = getenv("XKB_DEFAULT_RULES");
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rules.model = getenv("XKB_DEFAULT_MODEL");
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rules.layout = getenv("XKB_DEFAULT_LAYOUT");
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rules.variant = getenv("XKB_DEFAULT_VARIANT");
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rules.options = getenv("XKB_DEFAULT_OPTIONS");
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struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if (!context) {
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wlr_log(WLR_ERROR, "Failed to create XKB context");
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exit(1);
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}
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struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
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XKB_KEYMAP_COMPILE_NO_FLAGS);
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if (!keymap) {
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wlr_log(WLR_ERROR, "Failed to create XKB keymap");
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exit(1);
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}
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wlr_keyboard_set_keymap(device->keyboard, keymap);
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xkb_keymap_unref(keymap);
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xkb_context_unref(context);
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break;
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default:
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break;
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}
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}
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int main(int argc, char *argv[]) {
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wlr_log_init(WLR_DEBUG, NULL);
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struct wl_display *display = wl_display_create();
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struct sample_state state = {
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.default_color = { 0.25f, 0.25f, 0.25f, 1 },
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.clear_color = { 0.25f, 0.25f, 0.25f, 1 },
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.display = display
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};
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struct wlr_backend *wlr = wlr_backend_autocreate(display);
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if (!wlr) {
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exit(1);
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}
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state.cursor = wlr_cursor_create();
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state.layout = wlr_output_layout_create();
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wlr_cursor_attach_output_layout(state.cursor, state.layout);
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//wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
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wl_list_init(&state.devices);
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wl_list_init(&state.touch_points);
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// pointer events
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wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
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state.cursor_motion.notify = handle_cursor_motion;
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wl_signal_add(&state.cursor->events.motion_absolute,
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&state.cursor_motion_absolute);
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state.cursor_motion_absolute.notify = handle_cursor_motion_absolute;
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wl_signal_add(&state.cursor->events.button, &state.cursor_button);
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state.cursor_button.notify = handle_cursor_button;
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wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
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state.cursor_axis.notify = handle_cursor_axis;
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// touch events
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wl_signal_add(&state.cursor->events.touch_up, &state.touch_up);
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state.touch_up.notify = handle_touch_up;
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wl_signal_add(&state.cursor->events.touch_down, &state.touch_down);
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state.touch_down.notify = handle_touch_down;
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wl_signal_add(&state.cursor->events.touch_motion, &state.touch_motion);
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state.touch_motion.notify = handle_touch_motion;
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wl_signal_add(&state.cursor->events.touch_cancel, &state.touch_cancel);
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state.touch_cancel.notify = handle_touch_cancel;
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wl_signal_add(&wlr->events.new_input, &state.new_input);
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state.new_input.notify = new_input_notify;
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wl_signal_add(&wlr->events.new_output, &state.new_output);
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state.new_output.notify = new_output_notify;
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// tool events
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wl_signal_add(&state.cursor->events.tablet_tool_axis,
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&state.tablet_tool_axis);
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state.tablet_tool_axis.notify = handle_tablet_tool_axis;
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state.xcursor_manager = wlr_xcursor_manager_create("default", 24);
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if (!state.xcursor_manager) {
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wlr_log(WLR_ERROR, "Failed to load left_ptr cursor");
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return 1;
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}
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wlr_xcursor_manager_set_cursor_image(state.xcursor_manager, "left_ptr",
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state.cursor);
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clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
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if (!wlr_backend_start(wlr)) {
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wlr_log(WLR_ERROR, "Failed to start backend");
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wlr_backend_destroy(wlr);
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exit(1);
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}
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wl_display_run(display);
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wl_display_destroy(display);
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wlr_xcursor_manager_destroy(state.xcursor_manager);
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wlr_cursor_destroy(state.cursor);
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wlr_output_layout_destroy(state.layout);
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}
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