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path: root/tests/wayland/test_tablet.c
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#include "../../src/wayland/pointer.c"
#include <assert.h>

static struct yasl_mouse_event next(struct wayland_surface *surface)
{
    struct yasl_input_event event;
    assert(yasl_surface_input_poll(&surface->base, &event));
    assert(event.surface == &surface->base && event.kind == YASL_INPUT_MOUSE);
    return event.mouse;
}

int main(void)
{
    struct wayland_display display = {.base.ops = &yasl_wayland_backend};
    struct wayland_surface surface = {.base.display = &display.base, .conn = &display,
                                      .scale_factor = 1.5};
    struct seat seat = {.conn = &display, .tablet_focus = &surface};
    struct tablet_tool tool = {.seat = &seat};
    seat.tool = &tool;
    tablet_tool_motion(&tool, NULL, wl_fixed_from_int(100), wl_fixed_from_int(120));
    tool_pressure(&tool, NULL, 32768);
    tool_tilt(&tool, NULL, wl_fixed_from_int(-35), wl_fixed_from_int(42));
    tablet_tool_down(&tool, NULL, 1);
    tool_frame(&tool, NULL, 0);
    struct yasl_mouse_event ev = next(&surface);
    assert(ev.kind == YASL_PTR_MOTION && ev.device == YASL_PTR_DEV_PEN);
    assert(ev.pos.x == 150 && ev.pos.y == 180 && ev.pen.pressure == 32768);
    assert(ev.pen.tilt_x == -35 && ev.pen.tilt_y == 42);
    ev = next(&surface);
    assert(ev.kind == YASL_PTR_PRESS && ev.button == 0 && ev.pen.pressure == 32768);

    /* Stationary pressure and tilt changes are still motion samples. */
    tool_pressure(&tool, NULL, 100000);
    tool_tilt(&tool, NULL, wl_fixed_from_int(-120), wl_fixed_from_int(120));
    tool_frame(&tool, NULL, 0);
    ev = next(&surface);
    assert(ev.kind == YASL_PTR_MOTION && ev.pen.pressure == 65535);
    assert(ev.pos.x == 150 && ev.pos.y == 180);
    assert(ev.pen.tilt_x == -90 && ev.pen.tilt_y == 90);
    tablet_tool_up(&tool, NULL);
    tool_frame(&tool, NULL, 0);
    ev = next(&surface);
    assert(ev.kind == YASL_PTR_RELEASE && ev.button == 0 && !ev.pen.pressure);

    tool_type(&tool, NULL, ZWP_TABLET_TOOL_V2_TYPE_ERASER);
    tool_pressure(&tool, NULL, 22000);
    tool_frame(&tool, NULL, 0);
    assert(next(&surface).device == YASL_PTR_DEV_ERASER);
    tool_wheel(&tool, NULL, 0, 1);
    tool_frame(&tool, NULL, 0);
    ev = next(&surface);
    assert(ev.kind == YASL_PTR_SCROLL && ev.device == YASL_PTR_DEV_ERASER);
    tablet_tool_proximity_out(&tool, NULL);
    ev = next(&surface);
    assert(ev.kind == YASL_PTR_LEAVE && ev.device == YASL_PTR_DEV_ERASER && !ev.pen.pressure);
    assert(!seat.tool && !seat.tablet_focus && !seat.tool_buttons);
    assert(!(yasl_display_caps(&display.base) & YASL_CAP_TABLET));
    display.tablet_mgr = (void *)&display; /* Capability depends on protocol availability. */
    assert(yasl_display_caps(&display.base) & YASL_CAP_TABLET);
    input_queue_clear(&surface.input);
    return 0;
}