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engines/testbed/imgui.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/system.h"
+#include "common/events.h"
+#include "engines/engine.h"
+#include "engines/testbed/imgui.h"
+
+#include "backends/imgui/imgui.h"
+#include "backends/imgui/imgui_fonts.h"
+
+namespace Testbed {
+
+static bool p_supported = false;
+static bool p_open = false;
+
+static void onImGuiInit() {
+	p_supported = true;
+}
+
+void onImGuiRender() {
+	if (p_open) {
+		ImGui::GetIO().ConfigFlags &= ~(ImGuiConfigFlags_NoMouseCursorChange | ImGuiConfigFlags_NoMouse);
+
+		ImGui::ShowDemoWindow(&p_open);
+	} else {
+		ImGui::GetIO().ConfigFlags |= (ImGuiConfigFlags_NoMouseCursorChange | ImGuiConfigFlags_NoMouse);
+	}
+}
+
+static void onImGuiCleanup() {
+}
+
+TestExitStatus Imguitests::testImGui() {
+	Testsuite::clearScreen();
+	Common::String info = "ImGui test. You should expect an ImGui dialog to appear on screen.\"";
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : testImGui\n");
+		return kTestSkipped;
+	}
+	Common::Point pt(0, 100);
+	Testsuite::writeOnScreen("Testing ImGui", pt);
+
+	p_open = true;
+
+	ImGuiCallbacks callbacks;
+	callbacks.init = onImGuiInit;
+	callbacks.render = onImGuiRender;
+	callbacks.cleanup = onImGuiCleanup;
+	g_system->setImGuiCallbacks(callbacks);
+
+	// Update the screen once so that it has the chance to initialise.
+	g_system->updateScreen();
+
+	if (!p_supported) {
+		Testsuite::logDetailedPrintf("ImGui failed\n");
+		return kTestFailed;
+	}
+
+	Common::EventManager *eventMan = g_system->getEventManager();
+	Common::Event event;
+	while (p_open) {
+		while (eventMan->pollEvent(event)) {
+			// Quit if explicitly requested
+			if (Engine::shouldQuit()) {
+				return kTestPassed;
+			}
+		}
+
+		g_system->updateScreen();
+	}
+
+	Common::String prompt = "Did you see an ImGui dialog?";
+	if (!Testsuite::handleInteractiveInput(prompt, "Yes", "No", kOptionLeft)) {
+		Testsuite::logDetailedPrintf("ImGui failed\n");
+		return kTestFailed;
+	}
+	return kTestPassed;
+}
+
+ImGuiTestSuite::ImGuiTestSuite() {
+	_isTsEnabled = true;
+	addTest("testImGui", &Imguitests::testImGui, true);
+}
+
+} // End of namespace Testbed