Added TabWidget.

10 files changed, 268 insertions, 0 deletions

diff --git a/plugingui/Makefile.am b/plugingui/Makefile.am
index 21a78f8..49025c7 100644
--- a/plugingui/Makefile.am
+++ b/plugingui/Makefile.am
@@ -56,6 +56,9 @@ EXTRA_DIST = \
 	resource_data.h \
 	scrollbar.h \
 	slider.h \
+	stackedwidget.h \
+	tabbutton.h \
+	tabwidget.h \
 	textedit.h \
 	texture.h \
 	texturedbox.h \
diff --git a/plugingui/Makefile.am.plugingui b/plugingui/Makefile.am.plugingui
index 0e48f29..42824cc 100644
--- a/plugingui/Makefile.am.plugingui
+++ b/plugingui/Makefile.am.plugingui
@@ -19,6 +19,8 @@ PLUGIN_GUI_SOURCES = \
 	$(top_srcdir)/plugingui/slider.cc \
 	$(top_srcdir)/plugingui/scrollbar.cc \
 	$(top_srcdir)/plugingui/stackedwidget.cc \
+	$(top_srcdir)/plugingui/tabbutton.cc \
+	$(top_srcdir)/plugingui/tabwidget.cc \
 	$(top_srcdir)/plugingui/textedit.cc \
 	$(top_srcdir)/plugingui/texture.cc \
 	$(top_srcdir)/plugingui/texturedbox.cc \
diff --git a/plugingui/stackedwidget.cc b/plugingui/stackedwidget.cc
index 77f0f58..069e80b 100644
--- a/plugingui/stackedwidget.cc
+++ b/plugingui/stackedwidget.cc
@@ -32,6 +32,7 @@ namespace GUI
 StackedWidget::StackedWidget(Widget *parent)
 	: Widget(parent)
 {
+	CONNECT(this, sizeChangeNotifier, this, &StackedWidget::sizeChanged);
 }
 
 StackedWidget::~StackedWidget()
@@ -41,6 +42,7 @@ StackedWidget::~StackedWidget()
 void StackedWidget::addWidget(Widget *widget)
 {
 	widgets.push_back(widget);
+	widget->reparent(this);
 
 	if(currentWidget == nullptr)
 	{
@@ -91,4 +93,14 @@ void StackedWidget::setCurrentWidget(Widget *widget)
 	currentChanged(currentWidget);
 }
 
+void StackedWidget::sizeChanged(int width, int height)
+{
+	// Propagate size change to child:
+	if(currentWidget)
+	{
+		currentWidget->move(0, 0);
+		currentWidget->resize(width, height);
+	}
+}
+
 } // GUI::
diff --git a/plugingui/stackedwidget.h b/plugingui/stackedwidget.h
index 903aa17..13d764b 100644
--- a/plugingui/stackedwidget.h
+++ b/plugingui/stackedwidget.h
@@ -62,6 +62,10 @@ public:
 	Notifier<Widget*> currentChanged;
 
 private:
+	//! Callback for Widget::sizeChangeNotifier
+	void sizeChanged(int width, int height);
+
+private:
 	Widget* currentWidget{nullptr};
 	std::list<Widget*> widgets;
 };
diff --git a/plugingui/tabbutton.cc b/plugingui/tabbutton.cc
new file mode 100644
index 0000000..2a55572
--- /dev/null
+++ b/plugingui/tabbutton.cc
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tabbutton.cc
+ *
+ *  Thu Nov 24 18:52:26 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  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 "tabbutton.h"
+
+namespace GUI
+{
+
+TabButton::TabButton(Widget* parent, Widget* tabWidget)
+	: Button(parent)
+	, tabWidget(tabWidget)
+{
+	CONNECT(this, clickNotifier, this, &TabButton::clickHandler);
+}
+
+Widget *TabButton::getTabWidget()
+{
+	return tabWidget;
+}
+
+void TabButton::clickHandler()
+{
+	switchTabNotifier(tabWidget);
+}
+
+} // GUI::
diff --git a/plugingui/tabbutton.h b/plugingui/tabbutton.h
new file mode 100644
index 0000000..2f5e287
--- /dev/null
+++ b/plugingui/tabbutton.h
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tabbutton.h
+ *
+ *  Thu Nov 24 18:52:26 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  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.
+ */
+#pragma once
+
+#include <notifier.h>
+
+#include "widget.h"
+#include "button.h"
+
+namespace GUI
+{
+
+class TabButton
+	: public Button
+{
+public:
+	TabButton(Widget* parent, Widget* tabWidget);
+
+	Widget *getTabWidget();
+
+	Notifier<Widget*> switchTabNotifier;
+
+private:
+	void clickHandler();
+
+	Widget* tabWidget;
+};
+
+} // GUI::
diff --git a/plugingui/tabwidget.cc b/plugingui/tabwidget.cc
new file mode 100644
index 0000000..6988d39
--- /dev/null
+++ b/plugingui/tabwidget.cc
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tabwidget.cc
+ *
+ *  Thu Nov 24 17:46:22 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  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 "tabwidget.h"
+
+namespace GUI
+{
+
+TabWidget::TabWidget(Widget *parent)
+	: Widget(parent)
+	, stack(this)
+{
+	CONNECT(this, sizeChangeNotifier, this, &TabWidget::sizeChanged);
+}
+
+void TabWidget::addTab(const std::string& title, Widget* widget)
+{
+	buttons.emplace_back(this, widget);
+	auto& button = buttons.back();
+	button.setText(title);
+	stack.addWidget(widget);
+	CONNECT(&button, switchTabNotifier, this, &TabWidget::switchTab);
+	sizeChanged(width(), height());
+}
+
+void TabWidget::switchTab(Widget* tabWidget)
+{
+	stack.setCurrentWidget(tabWidget);
+}
+
+void TabWidget::sizeChanged(int width, int height)
+{
+	std::size_t pos = 0;
+	std::size_t buttonWidth = width / buttons.size();
+	for(auto& button : buttons)
+	{
+		button.resize(buttonWidth, 40);
+		button.move(pos, 0);
+		pos += buttonWidth;
+	}
+
+	stack.move(0, 40);
+	stack.resize(width, height - 40);
+}
+
+} // GUI::
diff --git a/plugingui/tabwidget.h b/plugingui/tabwidget.h
new file mode 100644
index 0000000..4a9cba2
--- /dev/null
+++ b/plugingui/tabwidget.h
@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tabwidget.h
+ *
+ *  Thu Nov 24 17:46:22 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  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.
+ */
+#pragma once
+
+#include "widget.h"
+#include "tabbutton.h"
+#include "stackedwidget.h"
+
+namespace GUI
+{
+
+class TabWidget
+	: public Widget
+{
+public:
+	TabWidget(Widget *parent);
+
+	void addTab(const std::string& title, Widget* widget);
+
+private:
+	//! Callback for Widget::sizeChangeNotifier
+	void sizeChanged(int width, int height);
+
+private:
+	void switchTab(Widget* tabWidget);
+
+	std::list<TabButton> buttons;
+	StackedWidget stack;
+};
+
+} // GUI::
diff --git a/plugingui/widget.cc b/plugingui/widget.cc
index 3d9d47c..4b1d1f7 100644
--- a/plugingui/widget.cc
+++ b/plugingui/widget.cc
@@ -92,6 +92,26 @@ void Widget::removeChild(Widget* widget)
 	}
 }
 
+void Widget::reparent(Widget* parent)
+{
+	if(parent == this->parent)
+	{
+		return; // Already at the right parent.
+	}
+
+	if(this->parent)
+	{
+		this->parent->removeChild(this);
+	}
+
+	if(parent)
+	{
+		parent->addChild(this);
+	}
+
+	this->parent = parent;
+}
+
 void Widget::resize(int width, int height)
 {
 	if((width < 1) || (height < 1) ||
diff --git a/plugingui/widget.h b/plugingui/widget.h
index 26070c5..03e8ab0 100644
--- a/plugingui/widget.h
+++ b/plugingui/widget.h
@@ -74,6 +74,7 @@ public:
 
 	void addChild(Widget* widget);
 	void removeChild(Widget* widget);
+	void reparent(Widget* parent);
 
 	virtual void repaintEvent(RepaintEvent* repaintEvent) {}
 	virtual void mouseMoveEvent(MouseMoveEvent* mouseMoveEvent) {}