split the selection panel into one card per kind of selection

src/ui/selection/RecipeProductionContent.cpp

@@ -0,0 +1,59 @@
+#include "RecipeProductionContent.h"
+
+#include <QVBoxLayout>
+
+#include "Building.h"
+#include "BuildingTarget.h"
+#include "GameConfig.h"
+#include "RecipeSelectionControl.h"
+#include "SelectionNames.h"
+
+RecipeProductionContent::RecipeProductionContent(const SelectionContext& context,
+                                                 const SelectionRequest& request,
+                                                 QWidget* parent)
+    : BufferedBuildingContent(context, request.buildings.front(), parent)
+{
+    const BuildingTarget target = resolveBuildingTarget(context, getBuildingId());
+
+    // The control is shown for a construction site too: a site is configured exactly
+    // like the building it will become (REQ-BLD-SITE-CONFIG).
+    m_recipeControl = new RecipeSelectionControl(context, getBuildingId(), target.type,
+                                                 this);
+    getConfigurationLayout()->addWidget(m_recipeControl);
+}
+
+void RecipeProductionContent::refreshConfiguration()
+{
+    const BuildingTarget target = resolveBuildingTarget(getContext(), getBuildingId());
+    if (!target.isValid())
+    {
+        return;
+    }
+    setBuildingIdentity(target.type, getBuildingTypeName(target.type));
+    m_recipeControl->setRecipeId(target.recipeId);
+}
+
+BufferedBuildingContent::CycleInfo RecipeProductionContent::getCycleInfo(
+    const Building& building) const
+{
+    CycleInfo info;
+    const RecipeDef* recipe = building.recipeId.empty()
+        ? nullptr
+        : getContext().config->recipes.findRecipeDef(building.recipeId, building.type);
+    if (!recipe)
+    {
+        return info;
+    }
+
+    for (const RecipeIngredient& ingredient : recipe->inputs)
+    {
+        info.perCycleInputs[ingredient.item] = ingredient.amount;
+    }
+    for (const RecipeOutput& output : recipe->outputs)
+    {
+        info.perCycleOutputs[output.item] = output.amount;
+    }
+    info.runsProduction  = true;
+    info.durationSeconds = recipe->durationSeconds;
+    return info;
+}