Add a new panel plugin: HomeButton

This button will hide all open windows so the desktop is visible (useful for touch screens or small devices)

3 files changed, 108 insertions, 0 deletions

diff --git a/lumina-desktop/panel-plugins/NewPP.h b/lumina-desktop/panel-plugins/NewPP.h
index f71ad45b..6be3ae17 100644
--- a/lumina-desktop/panel-plugins/NewPP.h
+++ b/lumina-desktop/panel-plugins/NewPP.h
@@ -21,6 +21,7 @@
 #include "desktopswitcher/LDesktopSwitcher.h"
 #include "taskmanager/LTaskManagerPlugin.h"
 #include "systemdashboard/LSysDashboard.h"
+#include "showdesktop/LHomeButton.h"
 #include "systemtray/LSysTray.h" //must be last due to X11 compile issues
 
 class NewPP{
@@ -29,6 +30,8 @@ public:
 	  LPPlugin *plug = 0;
 	  if(plugin.startsWith("userbutton---")){
 	    plug = new LUserButtonPlugin(parent, plugin, horizontal);
+	  }else if(plugin.startsWith("homebutton---")){
+	    plug = new LHomeButtonPlugin(parent, plugin, horizontal);
 	  }else if(plugin.startsWith("desktopbar---")){
 	    plug = new LDeskBarPlugin(parent, plugin, horizontal);
 	  }else if(plugin.startsWith("spacer---")){
diff --git a/lumina-desktop/panel-plugins/showdesktop/LHomeButton.cpp b/lumina-desktop/panel-plugins/showdesktop/LHomeButton.cpp
new file mode 100644
index 00000000..2cce3395
--- /dev/null
+++ b/lumina-desktop/panel-plugins/showdesktop/LHomeButton.cpp
@@ -0,0 +1,43 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "LHomeButton.h"
+#include "../../LSession.h"
+
+#include <LuminaX11.h>
+
+LHomeButtonPlugin::LHomeButtonPlugin(QWidget *parent, QString id, bool horizontal) : LPPlugin(parent, id, horizontal){
+  button = new QToolButton(this);
+    button->setAutoRaise(true);
+    button->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+
+    connect(button, SIGNAL(clicked()), this, SLOT(showDesktop()));
+    this->layout()->setContentsMargins(0,0,0,0);
+    this->layout()->addWidget(button);
+
+  QTimer::singleShot(0,this, SLOT(OrientationChange())); //Update icons/sizes
+}
+
+LHomeButtonPlugin::~LHomeButtonPlugin(){
+
+}
+
+void LHomeButtonPlugin::updateButtonVisuals(){
+  button->setIcon( LXDG::findIcon("go-home", "") );
+}
+
+// ========================
+//    PRIVATE FUNCTIONS
+// ========================
+void LHomeButtonPlugin::showDesktop(){
+  QList<WId> wins = LSession::handle()->XCB->WindowList();
+  for(int i=0; i<wins.length(); i++){
+    if( LXCB::INVISIBLE != LSession::handle()->XCB->WindowState(wins[i]) ){
+      LSession::handle()->XCB->MinimizeWindow(wins[i]);
+    }
+  }
+}
+
diff --git a/lumina-desktop/panel-plugins/showdesktop/LHomeButton.h b/lumina-desktop/panel-plugins/showdesktop/LHomeButton.h
new file mode 100644
index 00000000..74aaf4fb
--- /dev/null
+++ b/lumina-desktop/panel-plugins/showdesktop/LHomeButton.h
@@ -0,0 +1,62 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+//  This panel plugin is a simple button to hide all windows so the desktop is visible
+//===========================================
+#ifndef _LUMINA_DESKTOP_GO_HOME_PLUGIN_H
+#define _LUMINA_DESKTOP_GO_HOME_PLUGIN_H
+
+// Qt includes
+#include <QToolButton>
+#include <QString>
+#include <QWidget>
+
+
+// Lumina-desktop includes
+#include "../LPPlugin.h" //main plugin widget
+
+// libLumina includes
+#include "LuminaXDG.h"
+
+// PANEL PLUGIN BUTTON
+class LHomeButtonPlugin : public LPPlugin{
+	Q_OBJECT
+	
+public:
+	LHomeButtonPlugin(QWidget *parent = 0, QString id = "homebutton", bool horizontal=true);
+	~LHomeButtonPlugin();
+	
+private:
+	QToolButton *button;
+
+	void updateButtonVisuals();
+
+private slots:
+	void showDesktop();
+
+public slots:
+	void OrientationChange(){
+	  if(this->layout()->direction()==QBoxLayout::LeftToRight){
+	    this->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
+	    button->setIconSize( QSize(this->height(), this->height()) );
+	  }else{
+	    this->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+	    button->setIconSize( QSize(this->width(), this->width()) );
+	  }
+	  this->layout()->update();
+	  updateButtonVisuals();
+	}
+	
+	void LocaleChange(){ 
+	  updateButtonVisuals();
+	}
+	
+	void ThemeChange(){
+	  updateButtonVisuals();
+	}
+};
+
+#endif
\ No newline at end of file