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[client] improved sync with guest cursor position

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This commit is contained in:
Geoffrey McRae 2020-01-11 03:41:44 +11:00
parent c2a15ad89d
commit 5b163063c3
3 changed files with 109 additions and 105 deletions
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2
VERSION
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@ -1 +1 @@
B1-73-gc92312a6c6+1
B1-74-gc2a15ad89d+1

211
client/src/main.c
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@ -67,6 +67,18 @@ struct AppState state;
// this structure is initialized in config.c
struct AppParams params = { 0 };
static int lastX = 0;
static int lastY = 0;
static void alignMouseWithGuest()
{
if (state.ignoreInput || !params.useSpiceInput)
return;
lastX = (int)round((float)state.cursor.x / state.scaleX) + state.dstRect.x;
lastY = (int)round((float)state.cursor.y / state.scaleY) + state.dstRect.y;
SDL_WarpMouseInWindow(state.window, lastX, lastY);
}
static void updatePositionInfo()
{
if (state.haveSrcSize)
@ -319,6 +331,14 @@ static int cursorThread(void * unused)
state.cursor.x,
state.cursor.y
);
const uint64_t now = microtime();
static uint64_t nextAlign = 0;
if (!state.serverMode && now > nextAlign)
{
nextAlign = now + 100000;
alignMouseWithGuest();
}
}
lgmpClientUnsubscribe(&queue);
@ -413,7 +433,9 @@ static int frameThread(void * unused)
state.haveSrcSize = true;
if (params.autoResize)
SDL_SetWindowSize(state.window, frame->width, frame->height);
updatePositionInfo();
alignMouseWithGuest();
}
FrameBuffer fb = (FrameBuffer)(frame + 1);
@ -620,11 +642,71 @@ void spiceClipboardRequest(const SpiceDataType type)
state.lgc->request(spice_type_to_clipboard_type(type));
}
static void handleMouseMoveEvent(int ex, int ey)
{
if (state.ignoreInput || !params.useSpiceInput)
return;
if (state.serverMode)
{
/* get the screen center as SDL sees it */
SDL_GetWindowSize(state.window, &lastX, &lastY);
lastX /= 2;
lastY /= 2;
}
else
{
if (ex < state.dstRect.x ||
ex > state.dstRect.x + state.dstRect.w ||
ey < state.dstRect.y ||
ey > state.dstRect.y + state.dstRect.h)
return;
}
int rx = ex - lastX;
int ry = ey - lastY;
lastX = ex;
lastY = ey;
if (rx == 0 && ry == 0)
return;
if (params.scaleMouseInput && !state.serverMode)
{
state.accX += (float)rx * state.scaleX;
state.accY += (float)ry * state.scaleY;
rx = floor(state.accX);
ry = floor(state.accY);
state.accX -= rx;
state.accY -= ry;
}
if (state.serverMode && state.mouseSens != 0)
{
state.sensX += ((float)rx / 10.0f) * (state.mouseSens + 10);
state.sensY += ((float)ry / 10.0f) * (state.mouseSens + 10);
rx = floor(state.sensX);
ry = floor(state.sensY);
state.sensX -= rx;
state.sensY -= ry;
}
if (!spice_mouse_motion(rx, ry))
DEBUG_ERROR("failed to send mouse motion message");
}
static void handleResizeEvent(unsigned int w, unsigned int h)
{
if (state.windowW == w || state.windowH == w)
return;
state.windowW = w;
state.windowH = h;
updatePositionInfo();
}
int eventFilter(void * userdata, SDL_Event * event)
{
static bool serverMode = false;
static bool realignGuest = true;
switch(event->type)
{
case SDL_QUIT:
@ -641,19 +723,10 @@ int eventFilter(void * userdata, SDL_Event * event)
{
switch(event->window.event)
{
case SDL_WINDOWEVENT_ENTER:
realignGuest = true;
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_RESIZED:
if (state.wminfo.subsystem != SDL_SYSWM_X11)
{
state.windowW = event->window.data1;
state.windowH = event->window.data2;
updatePositionInfo();
realignGuest = true;
}
handleResizeEvent(event->window.data1, event->window.data2);
break;
// allow a window close event to close the application even if ignoreQuit is set
@ -667,19 +740,20 @@ int eventFilter(void * userdata, SDL_Event * event)
case SDL_SYSWMEVENT:
{
// When the window manager forces the window size after calling SDL_SetWindowSize, SDL
// ignores this update and caches the incorrect window size.
// ignores this update and caches the incorrect window size. As such all related details
// are incorect including mouse movement information as it clips to the old window size.
if (state.wminfo.subsystem == SDL_SYSWM_X11)
{
XEvent xe = event->syswm.msg->msg.x11.event;
if (xe.type == ConfigureNotify)
switch(xe.type)
{
if (state.windowW != xe.xconfigure.width || state.windowH != xe.xconfigure.height)
{
state.windowW = xe.xconfigure.width;
state.windowH = xe.xconfigure.height;
updatePositionInfo();
realignGuest = true;
}
case ConfigureNotify:
handleResizeEvent(xe.xconfigure.width, xe.xconfigure.height);
break;
case MotionNotify:
handleMouseMoveEvent(xe.xmotion.x, xe.xmotion.y);
break;
}
}
@ -689,80 +763,9 @@ int eventFilter(void * userdata, SDL_Event * event)
}
case SDL_MOUSEMOTION:
{
if (state.ignoreInput || !params.useSpiceInput)
break;
if (
!serverMode && (
event->motion.x < state.dstRect.x ||
event->motion.x > state.dstRect.x + state.dstRect.w ||
event->motion.y < state.dstRect.y ||
event->motion.y > state.dstRect.y + state.dstRect.h
)
)
{
realignGuest = true;
break;
}
int x = 0;
int y = 0;
if (realignGuest && state.haveCursorPos)
{
x = event->motion.x - state.dstRect.x;
y = event->motion.y - state.dstRect.y;
if (params.scaleMouseInput && !serverMode)
{
x = (float)x * state.scaleX;
y = (float)y * state.scaleY;
}
x -= state.cursor.x;
y -= state.cursor.y;
realignGuest = false;
state.accX = 0;
state.accY = 0;
state.sensX = 0;
state.sensY = 0;
if (!spice_mouse_motion(x, y))
DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
break;
}
x = event->motion.xrel;
y = event->motion.yrel;
if (x != 0 || y != 0)
{
if (params.scaleMouseInput && !serverMode)
{
state.accX += (float)x * state.scaleX;
state.accY += (float)y * state.scaleY;
x = floor(state.accX);
y = floor(state.accY);
state.accX -= x;
state.accY -= y;
}
if (serverMode && state.mouseSens != 0)
{
state.sensX += ((float)x / 10.0f) * (state.mouseSens + 10);
state.sensY += ((float)y / 10.0f) * (state.mouseSens + 10);
x = floor(state.sensX);
y = floor(state.sensY);
state.sensX -= x;
state.sensY -= y;
}
if (!spice_mouse_motion(x, y))
{
DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
break;
}
}
if (state.wminfo.subsystem != SDL_SYSWM_X11)
handleMouseMoveEvent(event->motion.x, event->motion.y);
break;
}
case SDL_KEYDOWN:
{
@ -809,19 +812,19 @@ int eventFilter(void * userdata, SDL_Event * event)
{
if (params.useSpiceInput)
{
serverMode = !serverMode;
spice_mouse_mode(serverMode);
SDL_SetRelativeMouseMode(serverMode);
SDL_SetWindowGrab(state.window, serverMode);
DEBUG_INFO("Server Mode: %s", serverMode ? "on" : "off");
state.serverMode = !state.serverMode;
spice_mouse_mode(state.serverMode);
SDL_SetRelativeMouseMode(state.serverMode);
SDL_SetWindowGrab(state.window, state.serverMode);
DEBUG_INFO("Server Mode: %s", state.serverMode ? "on" : "off");
app_alert(
serverMode ? LG_ALERT_SUCCESS : LG_ALERT_WARNING,
serverMode ? "Capture Enabled" : "Capture Disabled"
state.serverMode ? LG_ALERT_SUCCESS : LG_ALERT_WARNING,
state.serverMode ? "Capture Enabled" : "Capture Disabled"
);
if (!serverMode)
realignGuest = true;
if (!state.serverMode)
alignMouseWithGuest();
}
}
else

1
client/src/main.h
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@ -46,6 +46,7 @@ struct AppState
bool haveCursorPos;
float scaleX, scaleY;
float accX, accY;
bool serverMode;
const LG_Renderer * lgr;
void * lgrData;