Use async dialog in place of osdialog

2021-10-27 15:30:14 +01:00 · 2021-10-27 15:30:14 +01:00 · 9d90823a32
commit 9d90823a32
parent 8cbd473102
5 changed files with 213 additions and 12 deletions
--- a/src/AsyncDialog.cpp
+++ b/src/AsyncDialog.cpp
@ -0,0 +1,127 @@
+/*
+ * DISTRHO Cardinal Plugin
+ * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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 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.
+ *
+ * For a full copy of the GNU General Public License see the LICENSE file.
+ */
+
+#include "AsyncDialog.hpp"
+
+#include <context.hpp>
+#include <app/Scene.hpp>
+#include <ui/Button.hpp>
+#include <ui/Label.hpp>
+#include <ui/MenuOverlay.hpp>
+#include <ui/SequentialLayout.hpp>
+#include <widget/OpaqueWidget.hpp>
+
+namespace asyncDialog
+{
+
+using namespace rack;
+using namespace rack::ui;
+using namespace rack::widget;
+
+struct AsyncDialog : OpaqueWidget
+{
+	SequentialLayout* layout;
+	SequentialLayout* contentLayout;
+	SequentialLayout* buttonLayout;
+	Label* label;
+
+	AsyncDialog(const char* const message, const std::function<void()> action)
+    {
+		box.size = math::Vec(400, 120);
+		const float margin = 10;
+		const float buttonWidth = 100;
+
+		layout = new SequentialLayout;
+		layout->box.pos = math::Vec(0, 0);
+		layout->box.size = box.size;
+		layout->orientation = SequentialLayout::VERTICAL_ORIENTATION;
+		layout->margin = math::Vec(margin, margin);
+		layout->spacing = math::Vec(margin, margin);
+		layout->wrap = false;
+		addChild(layout);
+
+		contentLayout = new SequentialLayout;
+		contentLayout->spacing = math::Vec(margin, margin);
+		layout->addChild(contentLayout);
+
+		buttonLayout = new SequentialLayout;
+	    buttonLayout->alignment = SequentialLayout::CENTER_ALIGNMENT;
+		buttonLayout->box.size = box.size;
+		buttonLayout->spacing = math::Vec(margin, margin);
+		layout->addChild(buttonLayout);
+
+		label = new Label;
+		label->box.size.x = box.size.x - 2*margin;
+		label->box.size.y = box.size.y - 2*margin - 40;
+		label->fontSize = 16;
+		label->text = message;
+		contentLayout->addChild(label);
+
+		struct AsyncCancelButton : Button {
+			AsyncDialog* dialog;
+			void onAction(const ActionEvent& e) override {
+				dialog->getParent()->requestDelete();
+			}
+		};
+		AsyncCancelButton* const cancelButton = new AsyncCancelButton;
+		cancelButton->box.size.x = buttonWidth;
+		cancelButton->text = "Cancel";
+		cancelButton->dialog = this;
+		buttonLayout->addChild(cancelButton);
+
+		struct AsyncOkButton : Button {
+			AsyncDialog* dialog;
+		    std::function<void()> action;
+			void onAction(const ActionEvent& e) override {
+                action();
+				dialog->getParent()->requestDelete();
+			}
+		};
+		AsyncOkButton* const okButton = new AsyncOkButton;
+		okButton->box.size.x = buttonWidth;
+		okButton->text = "Ok";
+		okButton->dialog = this;
+        okButton->action = action;
+		buttonLayout->addChild(okButton);
+	}
+
+	void step() override
+    {
+		OpaqueWidget::step();
+
+		box.pos = parent->box.size.minus(box.size).div(2).round();
+	}
+
+	void draw(const DrawArgs& args) override
+    {
+		bndMenuBackground(args.vg, 0.0, 0.0, box.size.x, box.size.y, 0);
+		Widget::draw(args);
+	}
+};
+
+void create(const char* const message, const std::function<void()> action)
+{
+	MenuOverlay* const overlay = new MenuOverlay;
+	overlay->bgColor = nvgRGBAf(0, 0, 0, 0.33);
+
+	AsyncDialog* const dialog = new AsyncDialog(message, action);
+	overlay->addChild(dialog);
+
+    APP->scene->addChild(overlay);
+}
+
+}