mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2026-04-13 08:22:16 -04:00
Merge branch 'example-output-tester' into 'master'
Example: Output Tester See merge request wlroots/wlroots!4391
This commit is contained in:
Brett Ernst
commit
1b2a2e16da
2 changed files with 413 additions and 0 deletions
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@ -39,6 +39,10 @@ compositors = {
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'src': 'cairo-buffer.c',
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'src': 'cairo-buffer.c',
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'dep': cairo,
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'dep': cairo,
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},
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},
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'output-tester': {
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'src': 'output-tester.c',
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'dep': cairo,
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},
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'embedded': {
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'embedded': {
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'src': [
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'src': [
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'embedded.c',
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'embedded.c',
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409
examples/output-tester.c
Normal file
409
examples/output-tester.c
Normal file
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@ -0,0 +1,409 @@
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#define _POSIX_C_SOURCE 200809L
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#include <stdbool.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 <cairo.h>
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#include <drm_fourcc.h>
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#include <xkbcommon/xkbcommon.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/render/allocator.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_keyboard.h>
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#include <wlr/util/log.h>
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/* Inspect outputs and perform basic operations for testing.
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*
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* Escape: Exit
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* Left/Right: Select output
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* Up/Down: Select mode
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* Return: Activate selected mode
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* Backspace: Disable selected output
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* Space: Enable selected output
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* Delete: Disable ALL outputs
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* Insert: Enable ALL outputs
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*
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* Don't swop outputs around while this is running, or weird stuff will happen.
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* This is by design. Or, rather, lack of design. */
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struct server {
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struct wl_display *display;
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struct wlr_backend *backend;
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struct wlr_renderer *renderer;
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struct wlr_allocator *allocator;
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struct wl_list outputs;
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struct wl_listener new_output;
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struct wl_listener new_input;
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struct output *selected_output;
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struct wl_list keyboards;
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};
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struct output {
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struct wl_list link;
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struct wlr_output *wlr_output;
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struct server *server;
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char *name;
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struct wlr_texture *texture;
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int selected_mode_idx;
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bool enabled;
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struct wl_listener frame;
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struct wl_listener commit;
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struct wl_listener destroy;
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};
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struct keyboard {
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struct wl_list link;
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struct server *server;
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struct wlr_keyboard *wlr_keyboard;
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struct wl_listener key;
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};
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/* Output handling */
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static void handle_output_frame(struct wl_listener *listener, void *data) {
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struct output *output = wl_container_of(listener, output, frame);
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struct wlr_output *wlr_output = output->wlr_output;
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struct wlr_output_state output_state;
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wlr_output_state_init(&output_state);
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struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL, NULL);
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if (output->texture) {
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wlr_render_pass_add_texture(pass, &(struct wlr_render_texture_options){
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.texture = output->texture,
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.transform = wlr_output->transform
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});
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}
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else {
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wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
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.box = { .width = wlr_output->width, .height = wlr_output->height },
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.color = { 0, 0, 0, 1 }
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});
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}
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wlr_render_pass_submit(pass);
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wlr_output_commit_state(wlr_output, &output_state);
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wlr_output_state_finish(&output_state);
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}
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static void update_output_texture(struct output *output) {
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if (!output->enabled) {
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return;
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}
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if (output->texture) {
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wlr_texture_destroy(output->texture);
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}
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int width = output->wlr_output->width;
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int height = output->wlr_output->height;
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struct wlr_output *wlr_output = output->wlr_output;
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cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
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cairo_t *cr = cairo_create(surface);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_paint(cr);
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double base_scale = height * 0.02;
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double margin = base_scale * 3;
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double large = base_scale * 3;
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double medium = base_scale * 1.5;
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double small = base_scale * 0.75;
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double y = margin;
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cairo_set_source_rgb(cr, 1, 1, 1);
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cairo_select_font_face(cr, "cairo:monospace", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
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if (output == output->server->selected_output) {
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cairo_set_line_width(cr, small * 2);
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cairo_rectangle(cr, 0, 0, width, height);
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cairo_stroke(cr);
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}
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cairo_set_font_size(cr, large);
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cairo_move_to(cr, margin, (y += large));
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cairo_show_text(cr, wlr_output->name);
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cairo_set_font_size(cr, medium);
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cairo_move_to(cr, margin, (y += medium));
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cairo_show_text(cr, wlr_output->description);
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y += medium;
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struct wlr_output_mode *mode;
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char mode_txt[1024];
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cairo_set_font_size(cr, small);
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int idx = 0;
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wl_list_for_each(mode, &wlr_output->modes, link) {
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cairo_move_to(cr, margin, (y += small));
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if (output->selected_mode_idx == idx++) {
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cairo_set_source_rgb(cr, 1, 1, 1);
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}
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else {
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cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
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}
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snprintf(mode_txt, sizeof(mode_txt), "%d x %d @ %d %s %s", mode->width, mode->height,
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mode->refresh, mode->preferred ? "(Preferred)" : "",
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wlr_output->current_mode == mode ? "(Active)" : "");
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cairo_show_text(cr, mode_txt);
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}
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cairo_destroy(cr);
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output->texture = wlr_texture_from_pixels(output->server->renderer, DRM_FORMAT_ARGB8888,
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cairo_image_surface_get_stride(surface), width, height,
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cairo_image_surface_get_data(surface));
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cairo_surface_destroy(surface);
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wlr_output_schedule_frame(output->wlr_output);
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}
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static void handle_output_commit(struct wl_listener *listener, void *data) {
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struct output *output = wl_container_of(listener, output, commit);
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struct wlr_output_event_commit *event = data;
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if ((event->state->committed & WLR_OUTPUT_STATE_MODE) != 0) {
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update_output_texture(output);
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}
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}
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static void handle_output_destroy(struct wl_listener *listener, void *data) {
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struct output *output = wl_container_of(listener, output, destroy);
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wlr_texture_destroy(output->texture);
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output->texture = NULL;
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output->wlr_output = NULL;
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wl_list_remove(&output->frame.link);
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wl_list_remove(&output->commit.link);
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wl_list_remove(&output->destroy.link);
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}
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static void handle_new_output(struct wl_listener *listener, void *data) {
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struct server *server = wl_container_of(listener, server, new_output);
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struct wlr_output *wlr_output = data;
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wlr_output_init_render(wlr_output, server->allocator, server->renderer);
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struct output *output = NULL;
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struct output *tmp;
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wl_list_for_each(tmp, &server->outputs, link) {
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if (strcmp(wlr_output->name, tmp->name) == 0) {
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output = tmp;
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break;
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}
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}
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if (output == NULL) {
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output = calloc(1, sizeof(*output));
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output->server = server;
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output->name = strdup(wlr_output->name);
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output->selected_mode_idx = -1;
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output->enabled = true;
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wl_list_insert(&server->outputs, &output->link);
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}
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output->wlr_output = wlr_output;
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output->frame.notify = handle_output_frame;
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wl_signal_add(&wlr_output->events.frame, &output->frame);
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output->commit.notify = handle_output_commit;
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wl_signal_add(&wlr_output->events.commit, &output->commit);
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output->destroy.notify = handle_output_destroy;
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wl_signal_add(&wlr_output->events.destroy, &output->destroy);
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if (server->selected_output == NULL) {
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server->selected_output = output;
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}
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struct wlr_output_state state;
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wlr_output_state_init(&state);
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if (output->enabled) {
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wlr_output_state_set_enabled(&state, true);
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}
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struct wlr_output_mode *mode = NULL;
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int idx = 0;
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if (wl_list_empty(&wlr_output->modes)) {
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mode = wlr_output_preferred_mode(wlr_output);
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}
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else {
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wl_list_for_each(mode, &wlr_output->modes, link) {
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if ((output->selected_mode_idx < 0 && mode->preferred)
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|| idx == output->selected_mode_idx) {
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break;
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}
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idx++;
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}
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}
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output->selected_mode_idx = idx;
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wlr_output_state_set_mode(&state, mode);
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wlr_output_commit_state(wlr_output, &state);
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wlr_output_state_finish(&state);
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|
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if (output->enabled) {
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update_output_texture(output);
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}
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}
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static void output_enable(struct output *output, bool enabled) {
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if (!output->wlr_output) {
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return;
|
||||||
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}
|
||||||
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struct wlr_output_state state;
|
||||||
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wlr_output_state_init(&state);
|
||||||
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wlr_output_state_set_enabled(&state, enabled);
|
||||||
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wlr_output_commit_state(output->wlr_output, &state);
|
||||||
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wlr_output_state_finish(&state);
|
||||||
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output->enabled = enabled;
|
||||||
|
}
|
||||||
|
|
||||||
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/* Input handling */
|
||||||
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|
||||||
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static void handle_key_command(struct server *server, const char *sym) {
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||||||
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if (strcmp("Escape", sym) == 0) {
|
||||||
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wl_display_terminate(server->display);
|
||||||
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}
|
||||||
|
|
||||||
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struct output *output = server->selected_output;
|
||||||
|
if (!output) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if (strcmp("Down", sym) == 0) {
|
||||||
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output->selected_mode_idx++;
|
||||||
|
if (output->selected_mode_idx >= wl_list_length(&output->wlr_output->modes)) {
|
||||||
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output->selected_mode_idx = 0;
|
||||||
|
}
|
||||||
|
update_output_texture(output);
|
||||||
|
}
|
||||||
|
else if (strcmp("Up", sym) == 0) {
|
||||||
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output->selected_mode_idx--;
|
||||||
|
if (output->selected_mode_idx < 0) {
|
||||||
|
output->selected_mode_idx = wl_list_length(&output->wlr_output->modes) - 1;
|
||||||
|
}
|
||||||
|
update_output_texture(output);
|
||||||
|
}
|
||||||
|
else if (strcmp("Return", sym) == 0) {
|
||||||
|
struct wlr_output_mode *mode;
|
||||||
|
int idx = 0;
|
||||||
|
wl_list_for_each(mode, &output->wlr_output->modes, link) {
|
||||||
|
if (output->selected_mode_idx == idx++) {
|
||||||
|
struct wlr_output_state state;
|
||||||
|
wlr_output_state_init(&state);
|
||||||
|
wlr_output_state_set_mode(&state, mode);
|
||||||
|
wlr_output_commit_state(output->wlr_output, &state);
|
||||||
|
wlr_output_state_finish(&state);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (strcmp("Right", sym) == 0) {
|
||||||
|
struct wl_list *next = output->link.prev == &server->outputs
|
||||||
|
? server->outputs.prev : output->link.prev;
|
||||||
|
if (next != &output->link) {
|
||||||
|
server->selected_output = wl_container_of(next, server->selected_output, link);
|
||||||
|
update_output_texture(output);
|
||||||
|
update_output_texture(server->selected_output);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (strcmp("Left", sym) == 0) {
|
||||||
|
struct wl_list *prev = output->link.next == &server->outputs
|
||||||
|
? server->outputs.next : output->link.next;
|
||||||
|
if (prev != &output->link) {
|
||||||
|
server->selected_output = wl_container_of(prev, server->selected_output, link);
|
||||||
|
update_output_texture(output);
|
||||||
|
update_output_texture(server->selected_output);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (strcmp("BackSpace", sym) == 0) {
|
||||||
|
output_enable(output, false);
|
||||||
|
}
|
||||||
|
/* Yeah, it's supposed to be lowercase. */
|
||||||
|
else if (strcmp("space", sym) == 0) {
|
||||||
|
output_enable(output, true);
|
||||||
|
}
|
||||||
|
else if (strcmp("Delete", sym) == 0) {
|
||||||
|
wl_list_for_each(output, &server->outputs, link) {
|
||||||
|
output_enable(output, false);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (strcmp("Insert", sym) == 0) {
|
||||||
|
wl_list_for_each(output, &server->outputs, link) {
|
||||||
|
output_enable(output, true);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void handle_keyboard_key(struct wl_listener *listener, void *data) {
|
||||||
|
struct keyboard *keyboard = wl_container_of(listener, keyboard, key);
|
||||||
|
struct server *server = keyboard->server;
|
||||||
|
struct wlr_keyboard_key_event *event = data;
|
||||||
|
if (event->state != 1) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
const xkb_keysym_t *syms;
|
||||||
|
int nsyms = xkb_state_key_get_syms(keyboard->wlr_keyboard->xkb_state, event->keycode + 8, &syms);
|
||||||
|
char sym_name[64];
|
||||||
|
for (int i = 0; i < nsyms; i++) {
|
||||||
|
if (xkb_keysym_get_name(syms[i], &sym_name[0], sizeof(sym_name)) >= 0) {
|
||||||
|
handle_key_command(server, sym_name);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void handle_new_input(struct wl_listener *listener, void *data) {
|
||||||
|
struct server *server = wl_container_of(listener, server, new_input);
|
||||||
|
struct wlr_input_device *device = data;
|
||||||
|
|
||||||
|
if (device->type != WLR_INPUT_DEVICE_KEYBOARD) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_keyboard *wlr_keyboard = wlr_keyboard_from_input_device(device);
|
||||||
|
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
||||||
|
struct xkb_keymap *keymap = xkb_keymap_new_from_names(context, NULL, XKB_KEYMAP_COMPILE_NO_FLAGS);
|
||||||
|
wlr_keyboard_set_keymap(wlr_keyboard, keymap);
|
||||||
|
xkb_keymap_unref(keymap);
|
||||||
|
xkb_context_unref(context);
|
||||||
|
|
||||||
|
struct keyboard *keyboard = calloc(1, sizeof(*keyboard));
|
||||||
|
keyboard->server = server;
|
||||||
|
keyboard->wlr_keyboard = wlr_keyboard;
|
||||||
|
wl_signal_add(&wlr_keyboard->events.key, &keyboard->key);
|
||||||
|
keyboard->key.notify = handle_keyboard_key;
|
||||||
|
wl_list_insert(&server->keyboards, &keyboard->link);
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(void) {
|
||||||
|
wlr_log_init(WLR_DEBUG, NULL);
|
||||||
|
|
||||||
|
struct server server = {0};
|
||||||
|
server.display = wl_display_create();
|
||||||
|
server.backend = wlr_backend_autocreate(server.display, NULL);
|
||||||
|
|
||||||
|
server.renderer = wlr_renderer_autocreate(server.backend);
|
||||||
|
wlr_renderer_init_wl_display(server.renderer, server.display);
|
||||||
|
|
||||||
|
server.allocator = wlr_allocator_autocreate(server.backend, server.renderer);
|
||||||
|
|
||||||
|
wl_list_init(&server.outputs);
|
||||||
|
server.new_output.notify = handle_new_output;
|
||||||
|
wl_signal_add(&server.backend->events.new_output, &server.new_output);
|
||||||
|
|
||||||
|
wl_list_init(&server.keyboards);
|
||||||
|
server.new_input.notify = handle_new_input;
|
||||||
|
wl_signal_add(&server.backend->events.new_input, &server.new_input);
|
||||||
|
|
||||||
|
if (!wlr_backend_start(server.backend)) {
|
||||||
|
wl_display_destroy(server.display);
|
||||||
|
return EXIT_FAILURE;
|
||||||
|
}
|
||||||
|
|
||||||
|
wl_display_run(server.display);
|
||||||
|
|
||||||
|
wl_display_destroy(server.display);
|
||||||
|
return EXIT_SUCCESS;
|
||||||
|
}
|
||||||
Loading…
Add table
Add a link
Reference in a new issue