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[client] input: abstract guest input backends

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Introduce LG_InputOps and route keyboard and mouse input through the
active video transport when it provides an input backend.

Keep SPICE as the fallback and force it while the SPICE display is
active. Add atomic shared/exclusive locking for safe backend changes.
This commit is contained in:
Geoffrey McRae
2026-08-08 21:23:32 +10:00
parent 04fd31219c
commit f495e5b7ba
17 changed files with 711 additions and 105 deletions
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39
client/src/keybind.c
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@@ -24,10 +24,10 @@
#include "app.h"
#include "audio.h"
#include "core.h"
#include "input.h"
#include "kb.h"
#include "message.h"
#include <purespice.h>
#include <stdio.h>
static void bind_fullscreen(int sc, void * opaque)
@@ -96,23 +96,19 @@ static void bind_mouseSens(int sc, void * opaque)
static void bind_ctrlAltFn(int sc, void * opaque)
{
const uint32_t ctrl = linux_to_ps2[KEY_LEFTCTRL];
const uint32_t alt = linux_to_ps2[KEY_LEFTALT ];
const uint32_t fn = linux_to_ps2[sc];
purespice_keyDown(ctrl);
purespice_keyDown(alt );
purespice_keyDown(fn );
lgInput_keyDown(KEY_LEFTCTRL);
lgInput_keyDown(KEY_LEFTALT);
lgInput_keyDown(sc);
purespice_keyUp(ctrl);
purespice_keyUp(alt );
purespice_keyUp(fn );
lgInput_keyUp(KEY_LEFTCTRL);
lgInput_keyUp(KEY_LEFTALT);
lgInput_keyUp(sc);
}
static void bind_passthrough(int sc, void * opaque)
{
sc = linux_to_ps2[sc];
purespice_keyDown(sc);
purespice_keyUp (sc);
lgInput_keyDown(sc);
lgInput_keyUp (sc);
}
static void bind_toggleOverlay(int sc, void * opaque)
@@ -122,8 +118,9 @@ static void bind_toggleOverlay(int sc, void * opaque)
static void bind_toggleKey(int sc, void * opaque)
{
purespice_keyDown((uintptr_t) opaque);
purespice_keyUp((uintptr_t) opaque);
const int key = (uintptr_t) opaque;
lgInput_keyDown(key);
lgInput_keyUp(key);
}
static void bind_setGuestRes(int sc, void * opaque)
@@ -183,25 +180,25 @@ static void bind_toggleMicDefault(int sc, void * opaque)
}
#endif
void keybind_spiceRegister(void)
void keybind_inputRegister(void)
{
/* register the common keybinds for spice */
/* register the common input keybinds */
static bool firstTime = true;
if (firstTime)
{
app_registerKeybind(KEY_I, bind_input, NULL,
"Spice keyboard & mouse toggle");
"Keyboard & mouse toggle");
app_registerKeybind(KEY_INSERT, bind_mouseSens, (void *) true,
"Increase mouse sensitivity in capture mode");
app_registerKeybind(KEY_DELETE, bind_mouseSens, (void *) false,
"Decrease mouse sensitivity in capture mode");
app_registerKeybind(KEY_UP, bind_toggleKey, (void *) PS2_VOLUME_UP,
app_registerKeybind(KEY_UP, bind_toggleKey, (void *) KEY_VOLUMEUP,
"Send volume up to the guest");
app_registerKeybind(KEY_DOWN, bind_toggleKey, (void *) PS2_VOLUME_DOWN,
app_registerKeybind(KEY_DOWN, bind_toggleKey, (void *) KEY_VOLUMEDOWN,
"Send volume down to the guest");
app_registerKeybind(KEY_M, bind_toggleKey, (void *) PS2_MUTE,
app_registerKeybind(KEY_M, bind_toggleKey, (void *) KEY_MUTE,
"Send mute to the guest");
app_registerKeybind(KEY_LEFTMETA, bind_passthrough, NULL,