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Absolute mouse coordinates on Windows

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This commit is contained in:
loki
2021-05-12 14:42:10 +02:00
parent 2e9a1cfbba
commit 022b2202f6
3 changed files with 84 additions and 47 deletions
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87
sunshine/platform/windows/input.cpp
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@@ -1,5 +1,6 @@
#include <sstream>
#include <iomanip>
#include <cmath>
#include <ws2tcpip.h>
#include <winsock2.h>
@@ -17,7 +18,12 @@ using namespace std::literals;
using adapteraddrs_t = util::c_ptr<IP_ADAPTER_ADDRESSES>;
volatile HDESK _lastKnownInputDesktop = NULL;
volatile HDESK _lastKnownInputDesktop = NULL;
constexpr touch_port_t target_touch_port {
0, 0,
65535, 65535
};
HDESK pairInputDesktop();
class vigem_t {
@@ -165,7 +171,40 @@ input_t input() {
return result;
}
void abs_mouse(input_t &input, const touch_port_t &touch_port, float x, float y) {}
void send_input(INPUT &i) {
retry:
auto send = SendInput(1, &i, sizeof(INPUT));
if(send != 1) {
auto hDesk = pairInputDesktop();
if (_lastKnownInputDesktop != hDesk) {
_lastKnownInputDesktop = hDesk;
goto retry;
}
BOOST_LOG(warning) << "Couldn't send input"sv;
}
}
void abs_mouse(input_t &input, const touch_port_t &touch_port, float x, float y) {
INPUT i {};
i.type = INPUT_MOUSE;
auto &mi = i.mi;
mi.dwFlags =
MOUSEEVENTF_MOVE |
MOUSEEVENTF_ABSOLUTE |
// MOUSEEVENTF_VIRTUALDESK maps to the entirety of the desktop rather than the primary desktop
MOUSEEVENTF_VIRTUALDESK;
auto scaled_x = std::lround((x + touch_port.offset_x) * ((float)target_touch_port.width / (float)touch_port.width));
auto scaled_y = std::lround((y + touch_port.offset_y) * ((float)target_touch_port.height / (float)touch_port.height));
mi.dx = scaled_x;
mi.dy = scaled_y;
send_input(i);
}
void move_mouse(input_t &input, int deltaX, int deltaY) {
INPUT i {};
@@ -176,16 +215,7 @@ void move_mouse(input_t &input, int deltaX, int deltaY) {
mi.dx = deltaX;
mi.dy = deltaY;
retry:
auto send = SendInput(1, &i, sizeof(INPUT));
if(send != 1) {
auto hDesk = pairInputDesktop();
if (_lastKnownInputDesktop != hDesk) {
_lastKnownInputDesktop = hDesk;
goto retry;
}
BOOST_LOG(warning) << "Couldn't send mouse movement input"sv;
}
send_input(i);
}
void button_mouse(input_t &input, int button, bool release) {
@@ -228,16 +258,7 @@ void button_mouse(input_t &input, int button, bool release) {
return;
}
retry:
auto send = SendInput(1, &i, sizeof(INPUT));
if(send != 1) {
auto hDesk = pairInputDesktop();
if (_lastKnownInputDesktop != hDesk) {
_lastKnownInputDesktop = hDesk;
goto retry;
}
BOOST_LOG(warning) << "Couldn't send mouse button input"sv;
}
send_input(i);
}
void scroll(input_t &input, int distance) {
@@ -249,16 +270,7 @@ void scroll(input_t &input, int distance) {
mi.dwFlags = MOUSEEVENTF_WHEEL;
mi.mouseData = distance;
retry:
auto send = SendInput(1, &i, sizeof(INPUT));
if(send != 1) {
auto hDesk = pairInputDesktop();
if (_lastKnownInputDesktop != hDesk) {
_lastKnownInputDesktop = hDesk;
goto retry;
}
BOOST_LOG(warning) << "Couldn't send mouse scroll input"sv;
}
send_input(i);
}
void keyboard(input_t &input, uint16_t modcode, bool release) {
@@ -304,16 +316,7 @@ void keyboard(input_t &input, uint16_t modcode, bool release) {
ki.dwFlags |= KEYEVENTF_KEYUP;
}
retry:
auto send = SendInput(1, &i, sizeof(INPUT));
if(send != 1) {
auto hDesk = pairInputDesktop();
if (_lastKnownInputDesktop != hDesk) {
_lastKnownInputDesktop = hDesk;
goto retry;
}
BOOST_LOG(warning) << "Couldn't send keyboard input"sv;
}
send_input(i);
}
int alloc_gamepad(input_t &input, int nr) {