1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#include "../../src/platform/wayland/pointer.c"
#include <assert.h>
static struct yasl_private_event next_raw(struct wayland_surface *surface)
{
struct yasl_private_event event;
assert(yasl_private_surface_poll_event(&surface->base, &event));
assert(event.surface == &surface->base);
return event;
}
static struct yasl_private_event next_pointer(struct wayland_surface *surface)
{
struct yasl_private_event event;
do { event = next_raw(surface); } while (event.type == YASL_PRIVATE_EVENT_PEN);
return event;
}
int main(void)
{
struct wayland_display display = {.base.ops = &yasl_private_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, .device_id = 77, .tool_id = 88, .kind = 1};
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));
tool_distance(&tool, NULL, 16384);
tool_rotation(&tool, NULL, wl_fixed_from_int(17));
tool_slider(&tool, NULL, -32768);
pen_action_push(&tool, YASL_PRIVATE_PEN_ENTER, 0);
tablet_tool_down(&tool, NULL, 1);
tool_frame(&tool, NULL, 0);
struct yasl_private_event pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN);
assert(pen.pen.action == YASL_PRIVATE_PEN_ENTER && !pen.pen.in_contact);
assert(pen.pen.device_id == 77 && pen.pen.tool_id == 88);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN);
assert(pen.pen.action == YASL_PRIVATE_PEN_DOWN && pen.pen.in_contact);
assert(pen.pen.buttons & YASL_PRIVATE_BUTTON_BIT(YASL_PRIVATE_BUTTON_PRIMARY));
assert(pen.pen.x == 150 && pen.pen.y == 180);
assert(fabs(pen.pen.pressure - (32768.0 / 65535.0)) < 0.00001);
assert(pen.pen.axes_valid == (YASL_PRIVATE_PEN_PRESSURE | YASL_PRIVATE_PEN_TILT |
YASL_PRIVATE_PEN_DISTANCE | YASL_PRIVATE_PEN_ROTATION | YASL_PRIVATE_PEN_TANGENTIAL));
assert(pen.pen.axes_changed == pen.pen.axes_valid);
assert(fabs(pen.pen.distance - 16384.0 / 65535.0) < 0.00001);
assert(pen.pen.rotation == 17 && pen.pen.tangential == -32768.0 / 65535.0);
struct yasl_private_event ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_MOTION && ev.pointer.device == YASL_PRIVATE_PTR_DEV_PEN);
assert(ev.pointer.pos.x == 150 && ev.pointer.pos.y == 180 && ev.pointer.pen.pressure == 32768);
assert(ev.pointer.pen.tilt_x == -35 && ev.pointer.pen.tilt_y == 42);
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_DOWN && ev.pointer.button == YASL_PRIVATE_BUTTON_PRIMARY && ev.pointer.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);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN && pen.pen.action == YASL_PRIVATE_PEN_MOVE);
assert(pen.pen.axes_changed == (YASL_PRIVATE_PEN_PRESSURE | YASL_PRIVATE_PEN_TILT));
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_MOTION && ev.pointer.pen.pressure == 65535);
assert(ev.pointer.pos.x == 150 && ev.pointer.pos.y == 180);
assert(ev.pointer.pen.tilt_x == -90 && ev.pointer.pen.tilt_y == 90);
tablet_tool_up(&tool, NULL);
tool_frame(&tool, NULL, 0);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN && pen.pen.action == YASL_PRIVATE_PEN_UP);
assert(!pen.pen.in_contact && pen.pen.pressure == 0);
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_UP && ev.pointer.button == YASL_PRIVATE_BUTTON_PRIMARY && !ev.pointer.pen.pressure);
tool_type(&tool, NULL, ZWP_TABLET_TOOL_V2_TYPE_ERASER);
tool_pressure(&tool, NULL, 22000);
tool_frame(&tool, NULL, 0);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN && pen.pen.tool == 2);
assert(next_pointer(&surface).pointer.device == YASL_PRIVATE_PTR_DEV_ERASER);
tool_wheel(&tool, NULL, 0, 1);
tool_frame(&tool, NULL, 0);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN && pen.pen.axes_changed == YASL_PRIVATE_PEN_WHEEL);
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_SCROLL && ev.pointer.device == YASL_PRIVATE_PTR_DEV_ERASER);
assert(ev.pointer.scroll.x == 0 && ev.pointer.scroll.y == 1);
tablet_tool_proximity_out(&tool, NULL);
pen = next_raw(&surface);
assert(pen.type == YASL_PRIVATE_EVENT_PEN && pen.pen.action == YASL_PRIVATE_PEN_LEAVE);
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_LEAVE && ev.pointer.device == YASL_PRIVATE_PTR_DEV_ERASER && !ev.pointer.pen.pressure);
assert(!seat.tool && !seat.tablet_focus && !seat.tool_buttons);
assert(!(yasl_private_display_caps(&display.base) & YASL_PRIVATE_CAP_TABLET));
display.tablet_mgr = (void *)&display; /* Capability depends on protocol availability. */
assert(yasl_private_display_caps(&display.base) & YASL_PRIVATE_CAP_TABLET);
seat.pointer_focus = &surface;
/* A compositor may describe the same detent in three ways. value120 wins,
* and both axes belong to one event, without whole-line truncation. */
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_int(10));
pointer_axis_discrete(&seat, NULL, WL_POINTER_AXIS_VERTICAL_SCROLL, 1);
pointer_axis_value120(&seat, NULL, WL_POINTER_AXIS_VERTICAL_SCROLL, 30);
pointer_axis_value120(&seat, NULL, WL_POINTER_AXIS_HORIZONTAL_SCROLL, -60);
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.type == YASL_PRIVATE_EVENT_POINTER_SCROLL && ev.pointer.device == YASL_PRIVATE_PTR_DEV_MOUSE);
assert(ev.pointer.scroll.x == -0.5 && ev.pointer.scroll.y == 0.25);
assert(ev.pointer.scroll_valid == 1);
assert(ev.pointer.scroll_source == 1 && ev.pointer.scroll_phase == 0);
struct yasl_private_event unused;
assert(!yasl_private_surface_poll_event(&surface.base, &unused));
pointer_frame(&seat, NULL);
assert(!yasl_private_surface_poll_event(&surface.base, &unused));
/* Finger scrolling carries pixel offsets and coherent gesture phases. */
pointer_axis_source(&seat, NULL, WL_POINTER_AXIS_SOURCE_FINGER);
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_double(1.25));
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_HORIZONTAL_SCROLL, wl_fixed_from_double(-2.5));
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.pointer.scroll_phase == 1 && ev.pointer.scroll_source == 2);
assert(ev.pointer.pixel_scroll.x == -3.75 && ev.pointer.pixel_scroll.y == 1.875);
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_double(1.25));
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.pointer.scroll_phase == 2 && ev.pointer.scroll.y == 0.125);
pointer_axis_stop(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL);
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.pointer.scroll_phase == 3 && ev.pointer.scroll.x == 0 && ev.pointer.scroll.y == 0);
/* Stops preserve offsets from the same frame. Repeated tiny movements
* must be visible immediately rather than held until a whole detent. */
for (int i = 0; i < 3; i++) {
pointer_axis_source(&seat, NULL, WL_POINTER_AXIS_SOURCE_FINGER);
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL, wl_fixed_from_double(1.25));
pointer_axis(&seat, NULL, 0, WL_POINTER_AXIS_HORIZONTAL_SCROLL, wl_fixed_from_double(-2.5));
pointer_axis_stop(&seat, NULL, 0, WL_POINTER_AXIS_VERTICAL_SCROLL);
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.pointer.scroll.x == -0.25 && ev.pointer.scroll.y == 0.125);
assert(ev.pointer.scroll_source == 2 && ev.pointer.scroll_phase == 3);
assert(ev.pointer.pixel_scroll.x == -3.75 && ev.pointer.pixel_scroll.y == 1.875);
}
pointer_axis_discrete(&seat, NULL, WL_POINTER_AXIS_HORIZONTAL_SCROLL, 2);
pointer_frame(&seat, NULL);
ev = next_pointer(&surface);
assert(ev.pointer.scroll.x == 2 && ev.pointer.scroll.y == 0);
pointer_axis_value120(&seat, NULL, WL_POINTER_AXIS_VERTICAL_SCROLL, 60);
seat_pointer_reset(&seat);
pointer_frame(&seat, NULL);
assert(!yasl_private_surface_poll_event(&surface.base, &unused));
input_queue_clear(&surface.input);
return 0;
}
|
