1 files changed, 128 insertions, 0 deletions
diff --git a/src/redraw_fixer.cpp b/src/redraw_fixer.cpp
new file mode 100644
index 0000000..94964af
--- /dev/null
+++ b/src/redraw_fixer.cpp
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2017 Mentor Graphics Development (Deutschland) GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "wayland.hpp"
+
+#include <algorithm>
+#include <chrono>
+#include <thread>
+
+using namespace std::chrono_literals;
+
+// pretend we are a WM ...
+namespace wm {
+
+struct App {
+   controller_hooks chooks;
+   std::unique_ptr<wl::display> display;
+   std::unique_ptr<genivi::controller> controller;
+   std::vector<std::unique_ptr<wl::output>> outputs;
+
+   App();
+   void commit();
+   void surface_visibility(uint32_t surface_id, uint32_t v);
+   void surface_destination_rectangle(uint32_t surface_id, uint32_t x,
+                                      uint32_t y, uint32_t w, uint32_t h);
+   void try_fix(uint32_t surface_id);
+};
+
+void controller_hooks::surface_created(uint32_t /*surface_id*/) {}
+
+void controller_hooks::surface_removed(uint32_t /*surface_id*/) {}
+
+void controller_hooks::surface_visibility(uint32_t surface_id, uint32_t v) {
+   this->app->surface_visibility(surface_id, v);
+}
+
+void controller_hooks::surface_destination_rectangle(uint32_t surface_id,
+                                                     uint32_t x, uint32_t y,
+                                                     uint32_t w, uint32_t h) {
+   this->app->surface_destination_rectangle(surface_id, x, y, w, h);
+}
+
+App::App() : chooks{this}, display{new wl::display}, controller{}, outputs{} {
+   // The same init, the WM does, at least we can reuse the wayland stuff
+   if (!this->display->ok()) {
+      return;
+   }
+
+   this->display->add_global_handler(
+      "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
+         this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
+      });
+
+   this->display->add_global_handler(
+      "ivi_controller", [this](wl_registry *r, uint32_t name, uint32_t v) {
+         this->controller =
+            std::make_unique<struct genivi::controller>(r, name, v);
+
+         // Init controller hooks
+         this->controller->chooks = &this->chooks;
+
+         this->controller->add_proxy_to_id_mapping(
+            this->outputs.back()->proxy.get(),
+            wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
+               this->outputs.back()->proxy.get())));
+      });
+
+   for (int i : {1, 2, 3}) {
+      this->display->roundtrip();
+}
+}
+
+void App::commit() {
+   this->controller->commit_changes();
+   this->display->roundtrip();  // read: flush()++
+}
+
+void App::surface_visibility(uint32_t surface_id, uint32_t v) {
+   fprintf(stderr, "surface %u visibility %u\n", surface_id, v);
+
+   if (v == 1) {
+      this->try_fix(surface_id);
+   }
+}
+
+void App::surface_destination_rectangle(uint32_t surface_id, uint32_t x,
+                                        uint32_t y, uint32_t w, uint32_t h) {
+   fprintf(stderr, "surface %u dst %u %u %u %u\n", surface_id, x, y, w, h);
+
+   if (w != 1 && h != 1 && this->controller->sprops[surface_id].visibility != 0) {
+      this->try_fix(surface_id);
+   }
+}
+
+void App::try_fix(uint32_t surface_id) {
+   this->controller->surfaces[surface_id]->set_opacity(255);
+   this->commit();
+   std::this_thread::sleep_for(200ms);
+   this->controller->surfaces[surface_id]->set_opacity(256);
+   this->commit();
+}
+
+}  // namespace wm
+
+int main(int /*argc*/, char ** /*argv*/) {
+   wm::App app;
+   if (!app.display->ok()) {
+      fputs("Could not init wayland display\n", stderr);
+      return 1;
+   }
+   while (app.display->dispatch() != -1) {
+      ;
+   }
+   return 0;
+}