virtual-pointer: move to new impl

1 files changed, 165 insertions, 0 deletions

diff --git a/src/protocols/VirtualPointer.cpp b/src/protocols/VirtualPointer.cpp
new file mode 100644
index 00000000..287e7bad
--- /dev/null
+++ b/src/protocols/VirtualPointer.cpp
@@ -0,0 +1,165 @@
+#include "VirtualPointer.hpp"
+
+#define LOGM PROTO::virtualPointer->protoLog
+
+static const wlr_pointer_impl pointerImpl = {
+    .name = "virtual-pointer-v1",
+};
+
+CVirtualPointer::CVirtualPointer(SP<CZwlrVirtualPointerV1> resource_) : resource(resource_) {
+    if (!good())
+        return;
+
+    resource->setDestroy([this](CZwlrVirtualPointerV1* r) {
+        events.destroy.emit();
+        PROTO::virtualPointer->destroyResource(this);
+    });
+    resource->setOnDestroy([this](CZwlrVirtualPointerV1* r) {
+        events.destroy.emit();
+        PROTO::virtualPointer->destroyResource(this);
+    });
+
+    wlr_pointer_init(&pointer, &pointerImpl, "CVirtualPointer");
+
+    resource->setMotion([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, wl_fixed_t dx, wl_fixed_t dy) {
+        wlr_pointer_motion_event event = {
+            .pointer    = &pointer,
+            .time_msec  = timeMs,
+            .delta_x    = wl_fixed_to_double(dx),
+            .delta_y    = wl_fixed_to_double(dy),
+            .unaccel_dx = wl_fixed_to_double(dx),
+            .unaccel_dy = wl_fixed_to_double(dy),
+        };
+        wl_signal_emit_mutable(&pointer.events.motion, &event);
+    });
+
+    resource->setMotionAbsolute([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, uint32_t x, uint32_t y, uint32_t xExtent, uint32_t yExtent) {
+        if (!xExtent || !yExtent)
+            return;
+
+        wlr_pointer_motion_absolute_event event = {
+            .pointer   = &pointer,
+            .time_msec = timeMs,
+            .x         = (double)x / xExtent,
+            .y         = (double)y / yExtent,
+        };
+        wl_signal_emit_mutable(&pointer.events.motion_absolute, &event);
+    });
+
+    resource->setButton([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, uint32_t button, uint32_t state) {
+        struct wlr_pointer_button_event event = {
+            .pointer   = &pointer,
+            .time_msec = timeMs,
+            .button    = button,
+            .state     = (wl_pointer_button_state)state,
+        };
+        wl_signal_emit_mutable(&pointer.events.button, &event);
+    });
+
+    resource->setAxis([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, uint32_t axis_, wl_fixed_t value) {
+        if (axis > WL_POINTER_AXIS_HORIZONTAL_SCROLL) {
+            r->error(ZWLR_VIRTUAL_POINTER_V1_ERROR_INVALID_AXIS, "Invalid axis");
+            return;
+        }
+
+        axis             = axis_;
+        axisEvents[axis] = wlr_pointer_axis_event{.pointer = &pointer, .time_msec = timeMs, .orientation = (wl_pointer_axis)axis, .delta = wl_fixed_to_double(value)};
+    });
+
+    resource->setFrame([this](CZwlrVirtualPointerV1* r) {
+        for (auto& e : axisEvents) {
+            if (!e.pointer)
+                continue;
+            wl_signal_emit_mutable(&pointer.events.axis, &e);
+            e.pointer = nullptr;
+        }
+
+        wl_signal_emit_mutable(&pointer.events.frame, &pointer);
+    });
+
+    resource->setAxisSource([this](CZwlrVirtualPointerV1* r, uint32_t source) { axisEvents[axis].source = (wl_pointer_axis_source)source; });
+
+    resource->setAxisStop([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, uint32_t axis_) {
+        if (axis > WL_POINTER_AXIS_HORIZONTAL_SCROLL) {
+            r->error(ZWLR_VIRTUAL_POINTER_V1_ERROR_INVALID_AXIS, "Invalid axis");
+            return;
+        }
+
+        axis                            = axis_;
+        axisEvents[axis].pointer        = &pointer;
+        axisEvents[axis].time_msec      = timeMs;
+        axisEvents[axis].orientation    = (wl_pointer_axis)axis;
+        axisEvents[axis].delta          = 0;
+        axisEvents[axis].delta_discrete = 0;
+    });
+
+    resource->setAxisDiscrete([this](CZwlrVirtualPointerV1* r, uint32_t timeMs, uint32_t axis_, wl_fixed_t value, int32_t discrete) {
+        if (axis > WL_POINTER_AXIS_HORIZONTAL_SCROLL) {
+            r->error(ZWLR_VIRTUAL_POINTER_V1_ERROR_INVALID_AXIS, "Invalid axis");
+            return;
+        }
+
+        axis                            = axis_;
+        axisEvents[axis].pointer        = &pointer;
+        axisEvents[axis].time_msec      = timeMs;
+        axisEvents[axis].orientation    = (wl_pointer_axis)axis;
+        axisEvents[axis].delta          = wl_fixed_to_double(value);
+        axisEvents[axis].delta_discrete = discrete * 120;
+    });
+}
+
+CVirtualPointer::~CVirtualPointer() {
+    wlr_pointer_finish(&pointer);
+    events.destroy.emit();
+}
+
+bool CVirtualPointer::good() {
+    return resource->resource();
+}
+
+wlr_pointer* CVirtualPointer::wlr() {
+    return &pointer;
+}
+
+wl_client* CVirtualPointer::client() {
+    return resource->client();
+}
+
+CVirtualPointerProtocol::CVirtualPointerProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
+    ;
+}
+
+void CVirtualPointerProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
+    const auto RESOURCE = m_vManagers.emplace_back(std::make_unique<CZwlrVirtualPointerManagerV1>(client, ver, id)).get();
+    RESOURCE->setOnDestroy([this](CZwlrVirtualPointerManagerV1* p) { this->onManagerResourceDestroy(p->resource()); });
+    RESOURCE->setDestroy([this](CZwlrVirtualPointerManagerV1* p) { this->onManagerResourceDestroy(p->resource()); });
+
+    RESOURCE->setCreateVirtualPointer([this](CZwlrVirtualPointerManagerV1* pMgr, wl_resource* seat, uint32_t id) { this->onCreatePointer(pMgr, seat, id); });
+    RESOURCE->setCreateVirtualPointerWithOutput([this](CZwlrVirtualPointerManagerV1* pMgr, wl_resource* seat, wl_resource* output, uint32_t id) {
+        LOGM(WARN, "TODO: CreateWithOutput is not supported yet. Ignoring for now.");
+        this->onCreatePointer(pMgr, seat, id);
+    });
+}
+
+void CVirtualPointerProtocol::onManagerResourceDestroy(wl_resource* res) {
+    std::erase_if(m_vManagers, [&](const auto& other) { return other->resource() == res; });
+}
+
+void CVirtualPointerProtocol::destroyResource(CVirtualPointer* pointer) {
+    std::erase_if(m_vPointers, [&](const auto& other) { return other.get() == pointer; });
+}
+
+void CVirtualPointerProtocol::onCreatePointer(CZwlrVirtualPointerManagerV1* pMgr, wl_resource* seat, uint32_t id) {
+
+    const auto RESOURCE = m_vPointers.emplace_back(std::make_shared<CVirtualPointer>(std::make_shared<CZwlrVirtualPointerV1>(pMgr->client(), pMgr->version(), id)));
+
+    if (!RESOURCE->good()) {
+        pMgr->noMemory();
+        m_vPointers.pop_back();
+        return;
+    }
+
+    LOGM(LOG, "New VPointer at id {}", id);
+
+    events.newPointer.emit(RESOURCE);
+}
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