From 6967a31450441fc5605c05db6f65505dace4b263 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Sat, 8 Jun 2024 10:07:59 +0200
Subject: wayland/core: move to new impl (#6268)

* wayland/core/dmabuf: move to new impl

it's the final countdown
---
 src/protocols/Viewporter.cpp | 126 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 src/protocols/Viewporter.cpp

(limited to 'src/protocols/Viewporter.cpp')

diff --git a/src/protocols/Viewporter.cpp b/src/protocols/Viewporter.cpp
new file mode 100644
index 00000000..8cb69dbe
--- /dev/null
+++ b/src/protocols/Viewporter.cpp
@@ -0,0 +1,126 @@
+#include "Viewporter.hpp"
+#include "core/Compositor.hpp"
+#include <algorithm>
+
+#define LOGM PROTO::viewport->protoLog
+
+CViewportResource::CViewportResource(SP<CWpViewport> resource_, SP<CWLSurfaceResource> surface_) : surface(surface_), resource(resource_) {
+    if (!good())
+        return;
+
+    resource->setDestroy([this](CWpViewport* r) { PROTO::viewport->destroyResource(this); });
+    resource->setOnDestroy([this](CWpViewport* r) { PROTO::viewport->destroyResource(this); });
+
+    resource->setSetDestination([this](CWpViewport* r, int32_t x, int32_t y) {
+        if (!surface) {
+            r->error(WP_VIEWPORT_ERROR_NO_SURFACE, "Surface is gone");
+            return;
+        }
+
+        if (x == -1 && y == -1) {
+            surface->pending.viewport.hasDestination = false;
+            return;
+        }
+
+        if (x <= 0 || y <= 0) {
+            r->error(WP_VIEWPORT_ERROR_BAD_SIZE, "Size was <= 0");
+            return;
+        }
+
+        surface->pending.viewport.hasDestination = true;
+        surface->pending.viewport.destination    = {x, y};
+    });
+
+    resource->setSetSource([this](CWpViewport* r, wl_fixed_t fx, wl_fixed_t fy, wl_fixed_t fw, wl_fixed_t fh) {
+        if (!surface) {
+            r->error(WP_VIEWPORT_ERROR_NO_SURFACE, "Surface is gone");
+            return;
+        }
+
+        double x = wl_fixed_to_double(fx), y = wl_fixed_to_double(fy), w = wl_fixed_to_double(fw), h = wl_fixed_to_double(fh);
+
+        if (x == -1 && y == -1 && w == -1 && h == -1) {
+            surface->pending.viewport.hasSource = false;
+            return;
+        }
+
+        if (x < 0 || y < 0) {
+            r->error(WP_VIEWPORT_ERROR_BAD_SIZE, "Pos was < 0");
+            return;
+        }
+
+        surface->pending.viewport.hasSource = true;
+        surface->pending.viewport.source    = {x, y, w, h};
+    });
+}
+
+CViewportResource::~CViewportResource() {
+    if (!surface)
+        return;
+
+    surface->pending.viewport.hasDestination = false;
+    surface->pending.viewport.hasSource      = false;
+}
+
+bool CViewportResource::good() {
+    return resource->resource();
+}
+
+void CViewportResource::verify() {
+    if (!surface)
+        return;
+
+    if (surface->pending.viewport.hasSource) {
+        auto& src = surface->pending.viewport.source;
+
+        if (src.w + src.x > surface->pending.size.x || src.h + src.y > surface->pending.size.y) {
+            resource->error(WP_VIEWPORT_ERROR_BAD_VALUE, "Box doesn't fit");
+            return;
+        }
+    }
+}
+
+CViewporterResource::CViewporterResource(SP<CWpViewporter> resource_) : resource(resource_) {
+    if (!good())
+        return;
+
+    resource->setDestroy([this](CWpViewporter* r) { PROTO::viewport->destroyResource(this); });
+    resource->setOnDestroy([this](CWpViewporter* r) { PROTO::viewport->destroyResource(this); });
+
+    resource->setGetViewport([](CWpViewporter* r, uint32_t id, wl_resource* surf) {
+        const auto RESOURCE = PROTO::viewport->m_vViewports.emplace_back(
+            makeShared<CViewportResource>(makeShared<CWpViewport>(r->client(), r->version(), id), CWLSurfaceResource::fromResource(surf)));
+
+        if (!RESOURCE->good()) {
+            r->noMemory();
+            PROTO::viewport->m_vViewports.pop_back();
+            return;
+        }
+    });
+}
+
+bool CViewporterResource::good() {
+    return resource->resource();
+}
+
+CViewporterProtocol::CViewporterProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
+    ;
+}
+
+void CViewporterProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
+    const auto RESOURCE = m_vManagers.emplace_back(makeShared<CViewporterResource>(makeShared<CWpViewporter>(client, ver, id)));
+
+    if (!RESOURCE->good()) {
+        wl_client_post_no_memory(client);
+        m_vManagers.pop_back();
+        return;
+    }
+}
+
+void CViewporterProtocol::destroyResource(CViewporterResource* resource) {
+    std::erase_if(m_vManagers, [&](const auto& other) { return other.get() == resource; });
+}
+
+void CViewporterProtocol::destroyResource(CViewportResource* resource) {
+    std::erase_if(m_vViewports, [&](const auto& other) { return other.get() == resource; });
+}
-- 
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