diff options
Diffstat (limited to 'example/touch.c')
-rw-r--r-- | example/touch.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/example/touch.c b/example/touch.c deleted file mode 100644 index 29380ed4..00000000 --- a/example/touch.c +++ /dev/null @@ -1,113 +0,0 @@ -#define _POSIX_C_SOURCE 199309L -#define _XOPEN_SOURCE 500 -#include <stdio.h> -#include <stdlib.h> -#include <time.h> -#include <string.h> -#include <unistd.h> -#include <stdint.h> -#include <math.h> -#include <wayland-server.h> -#include <wayland-server-protocol.h> -#include <xkbcommon/xkbcommon.h> -#include <GLES2/gl2.h> -#include <wlr/render/matrix.h> -#include <wlr/render/gles2.h> -#include <wlr/render.h> -#include <wlr/backend.h> -#include <wlr/session.h> -#include <wlr/util/list.h> -#include "shared.h" -#include "cat.h" - -struct sample_state { - struct wlr_renderer *renderer; - struct wlr_surface *cat_texture; - list_t *touch_points; -}; - -struct touch_point { - int32_t slot; - double x, y; -}; - -static void handle_output_frame(struct output_state *output, struct timespec *ts) { - struct compositor_state *state = output->compositor; - struct sample_state *sample = state->data; - struct wlr_output *wlr_output = output->output; - - int32_t width, height; - wlr_output_effective_resolution(wlr_output, &width, &height); - wlr_renderer_begin(sample->renderer, wlr_output); - - float matrix[16]; - for (size_t i = 0; i < sample->touch_points->length; ++i) { - struct touch_point *p = sample->touch_points->items[i]; - wlr_surface_get_matrix(sample->cat_texture, &matrix, - &wlr_output->transform_matrix, - (int)(p->x * width) - sample->cat_texture->width / 2, - (int)(p->y * height) - sample->cat_texture->height / 2); - wlr_render_with_matrix(sample->renderer, - sample->cat_texture, &matrix); - } - - wlr_renderer_end(sample->renderer); -} - -static void handle_touch_down(struct touch_state *tstate, int32_t slot, - double x, double y, double width, double height) { - struct sample_state *sample = tstate->compositor->data; - struct touch_point *point = calloc(1, sizeof(struct touch_state)); - point->slot = slot; - point->x = x / width; - point->y = y / height; - list_add(sample->touch_points, point); -} - -static void handle_touch_up(struct touch_state *tstate, int32_t slot) { - struct sample_state *sample = tstate->compositor->data; - for (size_t i = 0; i < sample->touch_points->length; ++i) { - struct touch_point *point = sample->touch_points->items[i]; - if (point->slot == slot) { - list_del(sample->touch_points, i); - break; - } - } -} - -static void handle_touch_motion(struct touch_state *tstate, int32_t slot, - double x, double y, double width, double height) { - struct sample_state *sample = tstate->compositor->data; - for (size_t i = 0; i < sample->touch_points->length; ++i) { - struct touch_point *point = sample->touch_points->items[i]; - if (point->slot == slot) { - point->x = x / width; - point->y = y / height; - break; - } - } -} - -int main(int argc, char *argv[]) { - struct sample_state state = { - .touch_points = list_create() - }; - struct compositor_state compositor = { 0, - .data = &state, - .output_frame_cb = handle_output_frame, - .touch_down_cb = handle_touch_down, - .touch_up_cb = handle_touch_up, - .touch_motion_cb = handle_touch_motion, - }; - compositor_init(&compositor); - - state.renderer = wlr_gles2_renderer_init(); - state.cat_texture = wlr_render_surface_init(state.renderer); - wlr_surface_attach_pixels(state.cat_texture, GL_RGBA, - cat_tex.width, cat_tex.height, cat_tex.pixel_data); - - compositor_run(&compositor); - - wlr_surface_destroy(state.cat_texture); - wlr_renderer_destroy(state.renderer); -} |