From 1f14089d0d6adbd1072b022dfaeb17a1975e8b38 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 19 Mar 2025 01:44:18 +0000
Subject: Replace basic query tool with a ImGui version

---
 ui/gameMainSelector.cpp | 22 +---------------------
 ui/gameMainSelector.h   |  2 --
 ui/gameMainWindow.cpp   |  4 ++++
 ui/queryTool.cpp        | 39 +++++++++++++++++++++++++++++++++++++++
 ui/queryTool.h          | 14 ++++++++++++++
 5 files changed, 58 insertions(+), 23 deletions(-)
 create mode 100644 ui/queryTool.cpp
 create mode 100644 ui/queryTool.h

diff --git a/ui/gameMainSelector.cpp b/ui/gameMainSelector.cpp
index d5cbf62..55977ed 100644
--- a/ui/gameMainSelector.cpp
+++ b/ui/gameMainSelector.cpp
@@ -1,5 +1,4 @@
 #include "gameMainSelector.h"
-#include "collection.h"
 #include "text.h"
 #include "ui/uiComponent.h"
 #include <SDL2/SDL.h>
@@ -8,9 +7,7 @@
 #include <game/terrain.h>
 #include <game/worldobject.h> // IWYU pragma: keep
 #include <gfx/camera.h>
-#include <optional>
 #include <stream_support.h>
-#include <typeinfo>
 
 const std::filesystem::path fontpath {"/usr/share/fonts/hack/Hack-Regular.ttf"};
 
@@ -27,9 +24,6 @@ GameMainSelector::render(const UIShader & shader, const Position & parentPos) co
 	if (target) {
 		target->render(shader, parentPos + position + TargetPos);
 	}
-	if (!clicked.empty()) {
-		Text {clicked, font, {{50, 10}, {0, 15}}, {1, 1, 0}}.render(shader, parentPos);
-	}
 }
 
 void
@@ -73,22 +67,8 @@ GameMainSelector::handleInput(const SDL_Event & e, const Position & parentPos)
 }
 
 void
-GameMainSelector::defaultClick(const Ray<GlobalPosition3D> & ray)
+GameMainSelector::defaultClick(const Ray<GlobalPosition3D> &)
 {
-	BaryPosition baryPos {};
-	RelativeDistance distance {};
-
-	if (const auto selected = gameState->world.applyOne<Selectable>(&Selectable::intersectRay, ray, baryPos, distance);
-			selected != gameState->world.end()) {
-		const auto & ref = *selected.base()->get();
-		clicked = typeid(ref).name();
-	}
-	else if (const auto pos = gameState->terrain->intersectRay(ray)) {
-		clicked = streamed_string(*pos);
-	}
-	else {
-		clicked.clear();
-	}
 }
 
 bool
diff --git a/ui/gameMainSelector.h b/ui/gameMainSelector.h
index 16f70eb..df29842 100644
--- a/ui/gameMainSelector.h
+++ b/ui/gameMainSelector.h
@@ -7,7 +7,6 @@
 #include "worldOverlay.h"
 #include <glm/glm.hpp>
 #include <memory>
-#include <string>
 
 class SceneShader;
 template<typename> class Ray;
@@ -41,5 +40,4 @@ public:
 private:
 	const Camera * camera;
 	const Font font;
-	std::string clicked;
 };
diff --git a/ui/gameMainWindow.cpp b/ui/gameMainWindow.cpp
index c1e135b..356d522 100644
--- a/ui/gameMainWindow.cpp
+++ b/ui/gameMainWindow.cpp
@@ -3,6 +3,7 @@
 #include "gameMainSelector.h"
 #include "imgui_extras.h"
 #include "manualCameraController.h"
+#include "queryTool.h"
 #include <SDL2/SDL.h>
 #include <collection.h>
 #include <game/environment.h>
@@ -29,6 +30,9 @@ public:
 			if (ImGui::ImageButton("Build rails", *buildRailsIcon, TOOLBAR_ICON_SIZE)) {
 				gms->target = std::make_unique<EditNetworkOf<RailLinks>>();
 	}
+			if (ImGui::ImageButton("Query", *buildRailsIcon, TOOLBAR_ICON_SIZE)) {
+				gms->target = std::make_unique<QueryTool>();
+			}
 			IltGui::EndToolbar();
 		}
 	}
diff --git a/ui/queryTool.cpp b/ui/queryTool.cpp
new file mode 100644
index 0000000..e48bae1
--- /dev/null
+++ b/ui/queryTool.cpp
@@ -0,0 +1,39 @@
+#include "queryTool.h"
+#include "imgui_wrap.h"
+#include <game/gamestate.h>
+#include <game/selectable.h>
+#include <game/terrain.h>
+#include <game/worldobject.h>
+#include <ray.h>
+#include <stream_support.h>
+
+bool
+QueryTool::click(const SDL_MouseButtonEvent & event, const Ray<GlobalPosition3D> & ray)
+{
+	if (event.button != SDL_BUTTON_LEFT) {
+		return false;
+	}
+	BaryPosition baryPos {};
+	RelativeDistance distance {};
+
+	if (const auto selected = gameState->world.applyOne<Selectable>(&Selectable::intersectRay, ray, baryPos, distance);
+			selected != gameState->world.end()) {
+		const auto & ref = *selected.base()->get();
+		clicked = typeid(ref).name();
+	}
+	else if (const auto pos = gameState->terrain->intersectRay(ray)) {
+		clicked = streamed_string(*pos);
+	}
+	else {
+		clicked.clear();
+	}
+	return true;
+}
+
+void
+QueryTool::render(const UIShader &, const UIComponent::Position &)
+{
+	ImGui::Begin("Query Tool");
+	ImGui::TextUnformatted(clicked.c_str());
+	ImGui::End();
+}
diff --git a/ui/queryTool.h b/ui/queryTool.h
new file mode 100644
index 0000000..8462214
--- /dev/null
+++ b/ui/queryTool.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "gameMainSelector.h"
+
+class QueryTool : public GameMainSelector::Component {
+protected:
+	using GameMainSelector::Component::render;
+
+	bool click(const SDL_MouseButtonEvent &, const Ray<GlobalPosition3D> &) override;
+	void render(const UIShader & shader, const UIComponent::Position & pos) override;
+
+private:
+	std::string clicked;
+};
-- 
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