From 645250e1cd8ce9bc1faea599df7a1b05836bfeb8 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Tue, 29 Dec 2020 16:09:43 +0100
Subject: Split UI code into application/plugin UI and UI library.

---
 dggui/frame.cc | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 dggui/frame.cc

(limited to 'dggui/frame.cc')

diff --git a/dggui/frame.cc b/dggui/frame.cc
new file mode 100644
index 0000000..d375b6d
--- /dev/null
+++ b/dggui/frame.cc
@@ -0,0 +1,146 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            frame.cc
+ *
+ *  Tue Feb  7 21:07:56 CET 2017
+ *  Copyright 2017 André Nusser
+ *  andre.nusser@googlemail.com
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "frame.h"
+
+#include "painter.h"
+
+namespace GUI
+{
+
+FrameWidget::FrameWidget(Widget* parent, bool has_switch, bool has_help_text)
+	: Widget(parent)
+	, is_switched_on(!has_switch)
+	, bar_height(24)
+{
+	if(has_switch)
+	{
+		// We only have to set this once as nothing happens on a resize
+		power_button.move(4, 4);
+		power_button.resize(16, 16);
+
+		power_button.setChecked(is_switched_on);
+		CONNECT(&power_button, stateChangedNotifier, this,
+		        &FrameWidget::powerButtonStateChanged);
+	}
+	power_button.setVisible(has_switch);
+
+	if(has_help_text)
+	{
+		// We only have to set this once as nothing happens on a resize
+		help_button.resize(16, 16);
+		help_button.move(width() - 4 - 16, 4);
+		help_button.setText("?");
+	}
+	help_button.setVisible(has_help_text);
+
+	CONNECT(this, sizeChangeNotifier, this, &FrameWidget::sizeChanged);
+}
+
+void FrameWidget::repaintEvent(RepaintEvent* repaintEvent)
+{
+	Painter p(*this);
+
+	int center_x = width() / 2;
+	auto title_buf = title.c_str();
+
+	// draw the dark grey box
+	p.setColour(enabled ? grey_box_colour : grey_box_colour_disabled);
+	p.drawFilledRectangle(1, 1, width() - 2, bar_height);
+
+	// frame
+	p.setColour(frame_colour_top);
+	p.drawLine(0, 0, width() - 1, 0);
+	p.setColour(frame_colour_bottom);
+	p.drawLine(0, height() - 1, width() - 1, height() - 1);
+	p.setColour(frame_colour_side);
+	p.drawLine(0, 0, 0, height() - 1);
+	p.drawLine(width() - 1, 0, width() - 1, height() - 1);
+
+	// background
+	p.setColour(background_colour);
+	p.drawFilledRectangle(1, bar_height, width() - 2, height() - 2);
+
+	// draw the label
+	p.setColour(enabled ? label_colour : label_colour_disabled);
+	p.drawText(center_x - label_width, bar_height - 4, font, title_buf);
+	power_button.setEnabled(enabled);
+}
+
+void FrameWidget::powerButtonStateChanged(bool new_state)
+{
+	is_switched_on = new_state;
+	onSwitchChangeNotifier(is_switched_on);
+}
+
+void FrameWidget::setTitle(std::string const& title)
+{
+	this->title = title;
+	label_width = font.textWidth(title.c_str()) / 2 + 1;
+}
+
+void FrameWidget::setHelpText(const std::string& help_text)
+{
+	help_button.setHelpText(help_text);
+}
+
+void FrameWidget::setContent(Widget* content)
+{
+	this->content = content;
+	content->reparent(this);
+}
+
+void FrameWidget::setOnSwitch(bool on)
+{
+	is_switched_on = on;
+	power_button.setChecked(is_switched_on);
+}
+
+void FrameWidget::setEnabled(bool enabled)
+{
+	this->enabled = enabled;
+	onEnabledChanged(enabled);
+
+	redraw();
+}
+
+void FrameWidget::sizeChanged(int width, int height)
+{
+	if(content)
+	{
+		content_start_x = content_margin;
+		content_start_y = bar_height + content_margin;
+		content_width = std::max((int)width - 2 * content_margin, 0);
+		content_height = std::max((int)height - (bar_height + 2 * content_margin), 0);
+
+		content->move(content_start_x, content_start_y);
+		content->resize(content_width, content_height);
+	}
+
+	help_button.move(width - 4 - 16, help_button.y());
+}
+
+} // GUI::
-- 
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