GUI Configuration Editing

Also a partial update to style and layout of GUI

applications/gui/src/config_window.cpp

+#include "config_window.hpp"
+
+#include <nanogui/layout.h>
+#include <nanogui/label.h>
+#include <nanogui/combobox.h>
+#include <nanogui/button.h>
+#include <nanogui/entypo.h>
+#include <nanogui/formhelper.h>
+
+#include <vector>
+#include <string>
+
+using ftl::gui::ConfigWindow;
+using std::string;
+using std::vector;
+using ftl::config::json_t;
+
+
+ConfigWindow::ConfigWindow(nanogui::Widget *parent, ftl::ctrl::Master *ctrl, const ftl::UUID &peer)
+		: nanogui::Window(parent, "Settings"), ctrl_(ctrl), peer_(peer) {
+	using namespace nanogui;
+
+	setLayout(new GroupLayout());
+	setPosition(Vector2i(parent->width()/2.0f - 100.0f, parent->height()/2.0f - 100.0f));
+	//setModal(true);
+
+	configurables_ = ctrl->getConfigurables(peer);
+
+	auto label = new Label(this, "Select Configurable","sans-bold");
+
+	auto select = new ComboBox(this, configurables_);
+	select->setCallback([this](int ix) {
+		LOG(INFO) << "Change configurable: " << ix;
+		_buildForm(configurables_[ix], ctrl_->get(peer_, configurables_[ix]));
+
+		setVisible(false);
+		//this->parent()->removeChild(this);
+		//delete this;
+		//screen()->removeChild(this);
+	});
+}
+
+ConfigWindow::~ConfigWindow() {
+
+}
+
+void ConfigWindow::_addElements(nanogui::FormHelper *form, const std::string &suri, const ftl::config::json_t &data) {
+	using namespace nanogui;
+
+	for (auto i=data.begin(); i!=data.end(); ++i) {
+		if (i.key() == "$id") continue;
+
+		if (i.key() == "$ref" && i.value().is_string()) {
+			LOG(INFO) << "Follow $ref: " << i.value();
+			_addElements(form, suri, ctrl_->get(peer_, i.value().get<string>()));
+			continue;
+		}
+
+		if (i.value().is_boolean()) {
+			string key = i.key();
+			form->addVariable<bool>(i.key(), [this,data,key,suri](const bool &b){
+				ctrl_->set(peer_, suri + string("/") + key, json_t(b));
+			}, [data,key]() -> bool {
+				return data[key].get<bool>();
+			});
+		} else if (i.value().is_number_integer()) {
+			string key = i.key();
+			form->addVariable<int>(i.key(), [this,data,key,suri](const int &f){
+				ctrl_->set(peer_, suri + string("/") + key, json_t(f));
+			}, [data,key]() -> int {
+				return data[key].get<int>();
+			});
+		} else if (i.value().is_number_float()) {
+			string key = i.key();
+			form->addVariable<float>(i.key(), [this,data,key,suri](const float &f){
+				ctrl_->set(peer_, suri + string("/") + key, json_t(f));
+			}, [data,key]() -> float {
+				return data[key].get<float>();
+			});
+		} else if (i.value().is_string()) {
+			string key = i.key();
+			form->addVariable<string>(i.key(), [this,data,key,suri](const string &f){
+				ctrl_->set(peer_, suri + string("/") + key, json_t(f));
+			}, [data,key]() -> string {
+				return data[key].get<string>();
+			});
+		} else if (i.value().is_object()) {
+			string key = i.key();
+			const ftl::config::json_t &v = i.value();
+		
+			form->addButton(i.key(), [this,form,suri,key,v]() {
+				_buildForm(suri+string("/")+key, v);
+			})->setIcon(ENTYPO_ICON_FOLDER);
+		}
+	}
+}
+
+void ConfigWindow::_buildForm(const std::string &suri, ftl::config::json_t data) {
+	using namespace nanogui;
+
+	ftl::URI uri(suri);
+
+	FormHelper *form = new FormHelper(this->screen());
+	//form->setWindow(this);
+	form->addWindow(Vector2i(100,50), uri.getFragment());
+	form->window()->setTheme(theme());
+
+	_addElements(form, suri, data);
+
+	auto closebutton = form->addButton("Close", [form]() {
+		form->window()->setVisible(false);
+		delete form;
+	});
+	closebutton->setIcon(ENTYPO_ICON_CROSS);
+}