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Scale mouse events

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The video screen size on the client may differ from the real device
screen size (e.g. the video stream may be scaled down). As a
consequence, mouse events must be scaled to match the real device
coordinates.

For this purpose, make the client send the video screen size along with
the absolute pointer location, and the server scale the location to
match the real device size before injecting mouse events.
This commit is contained in:
Romain Vimont
2018-01-22 16:50:08 +01:00
parent 11a60e5767
commit 8984c1a7c4
13 changed files with 246 additions and 96 deletions
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32
app/tests/test_control_event_serialize.c
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@@ -51,8 +51,16 @@ static void test_serialize_mouse_event() {
.mouse_event = {
.action = AMOTION_EVENT_ACTION_DOWN,
.buttons = AMOTION_EVENT_BUTTON_PRIMARY,
.x = 260,
.y = 1026,
.point = {
.position = {
.x = 260,
.y = 1026,
},
.screen_size = {
.width = 1080,
.height = 1920,
},
},
},
};
@@ -64,8 +72,8 @@ static void test_serialize_mouse_event() {
0x02, // CONTROL_EVENT_TYPE_MOUSE
0x00, // AKEY_EVENT_ACTION_DOWN
0x00, 0x00, 0x00, 0x01, // AMOTION_EVENT_BUTTON_PRIMARY
0x00, 0x00, 0x01, 0x04, // 260
0x00, 0x00, 0x04, 0x02, // 1026
0x01, 0x04, 0x04, 0x02, // 260 1026
0x04, 0x38, 0x07, 0x80, // 1080 1920
};
assert(!memcmp(buf, expected, sizeof(expected)));
}
@@ -74,8 +82,16 @@ static void test_serialize_scroll_event() {
struct control_event event = {
.type = CONTROL_EVENT_TYPE_SCROLL,
.scroll_event = {
.x = 260,
.y = 1026,
.point = {
.position = {
.x = 260,
.y = 1026,
},
.screen_size = {
.width = 1080,
.height = 1920,
},
},
.hscroll = 1,
.vscroll = -1,
},
@@ -87,8 +103,8 @@ static void test_serialize_scroll_event() {
const unsigned char expected[] = {
0x03, // CONTROL_EVENT_TYPE_SCROLL
0x00, 0x00, 0x01, 0x04, // 260
0x00, 0x00, 0x04, 0x02, // 1026
0x01, 0x04, 0x04, 0x02, // 260 1026
0x04, 0x38, 0x07, 0x80, // 1080 1920
0x00, 0x00, 0x00, 0x01, // 1
0xFF, 0xFF, 0xFF, 0xFF, // -1
};