From d209bd5116f97650f9260ccdb62acbb5a89916c5 Mon Sep 17 00:00:00 2001
From: Ken Moore <moorekou@gmail.com>
Date: Fri, 9 Oct 2015 15:22:56 -0400
Subject: Convert the applauncher deskto plugin to automatically use outlined
 fonts for any text. This still needs a bit of tweaking, but overall seems to
 work quite well.

---
 .../applauncher/OutlineToolButton.h                | 61 ++++++++++++++--------
 1 file changed, 39 insertions(+), 22 deletions(-)

(limited to 'lumina-desktop/desktop-plugins/applauncher')

diff --git a/lumina-desktop/desktop-plugins/applauncher/OutlineToolButton.h b/lumina-desktop/desktop-plugins/applauncher/OutlineToolButton.h
index 1e71658d..65a2edec 100644
--- a/lumina-desktop/desktop-plugins/applauncher/OutlineToolButton.h
+++ b/lumina-desktop/desktop-plugins/applauncher/OutlineToolButton.h
@@ -17,41 +17,58 @@
 #include <QStyleOption>
 #include <QStylePainter>
 #include <QFont>
+#include <QDebug>
+
 
 class OutlineToolButton : public QToolButton{
 	Q_OBJECT
 public:
 	OutlineToolButton(QWidget *parent=0) : QToolButton(parent){
-	  QFont font = this->font();
-	    font.setStyleStrategy(QFont::ForceOutline);// | QFont::PreferQuality);
-	  this->setFont(font);	
 	}
 	~OutlineToolButton(){}
 		
 protected:
 	void paintEvent(QPaintEvent*){
-
-	  //QPainter painter(this);
-	  //QPainterPath path;
-	  //QPen pen;
-	    //pen.setWidth(2);
-	    //pen.setColor(Qt::red);
-	  //painter.setFont(this->font());
-	  //painter.setPen(pen);
-	  //path.addText(10 , 60, this->font(), this->text()); //Adjust the position
-	  //painter.drawPath(path);
-	  QFont font = this->font();
-	    font.setStyleStrategy(QFont::ForceOutline);// | QFont::PreferQuality);
-	  //This is what a QToolButton performs
+	  /* NOTE: This is what a standard QToolButton performs (peeked at Qt source code for this tidbit)
+	  QStylePainter p(this);
+	  QStyleOptionToolButton opt;
+	  initStyleOption(&opt);
+	  p.drawComplexControl(QStyle::CC_ToolButton, opt); 
+	  */
+	  
+	  //Modify the standard QToolButton routine to paint the text differently
 	  QStylePainter p(this);
-	    //p.setPen(pen);
 	  QStyleOptionToolButton opt;
 	  initStyleOption(&opt);
-	    opt.font = font; //Use the font which forces outlines
-	  //p.style()->drawControl(QStyle::CE_ToolButtonLabel, &opt, &p, this); //this does the outline underneath
-	  p.drawComplexControl(QStyle::CC_ToolButton, opt); //This does the normal painting on top
-	  //Now do the normal paint event over the top
-	  //QToolButton::paintEvent(ev); 
+	    opt.font.setStyleStrategy(QFont::PreferAntialias); //Always set the font strategy (just in case it starts working down the road)
+	    opt.font.setWeight(2*opt.font.weight()); //need a slightly heavier weight due to outlining later
+	    opt.text.clear(); //Don't paint the text yet - just the background/icon
+	  p.drawComplexControl(QStyle::CC_ToolButton, opt);  //This does all the normal QToolButton stuff - just not text
+	    //Now get the text rectangle for the widget
+	    QRect box = p.style()->itemTextRect(opt.fontMetrics, opt.rect, Qt::AlignHCenter | Qt::AlignBottom, true, this->text());
+	    //Get the QColors for the outline/text
+	    /*QColor textC = opt.palette.text().color().toHsl(); //need the lightness value in a moment
+	    QColor outC;
+	      qDebug() << "Font Color Values:" << textC << textC.lightness() << textC.lightnessF();
+	      if(textC.lightnessF() > 0.5){ outC = textC.darker(1000); } //1000% darker
+	      else{ outC = textC.lighter(1000); } //1000% lighter
+	      qDebug() << "Outline Color Values:" << outC;*/
+	    //Now generate a QPainterPath for the text
+	    QPainterPath path;
+	    QStringList txt = this->text().split("\n"); //need each line independently, the newline actually gets painted otherwise
+	    for(int i=0; i<txt.length(); i++){
+	      path.addText(box.center().x() - (opt.fontMetrics.width(txt[i])/2), box.y()+((i+1)*(box.height()/txt.length()))-opt.fontMetrics.descent(), opt.font, txt[i] );
+	    }
+	    path.setFillRule(Qt::WindingFill);
+	    //Now paint them 
+	    p.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
+	    p.strokePath(path, QPen(QColor(Qt::white)));//outC)) ); //This will be the outline - 1pixel thick
+	    p.fillPath(path, QBrush(Qt::black));//textC)); //this will be the inside/text color
+	      
+		
+	    /*opt.font.setWeight(50); //reset back to the normal text size
+	    opt.palette = QPalette(Qt::white);
+	  p.drawControl(QStyle::CE_ToolButtonLabel, opt); //don't do the full background on top again - just the labels (icon/text)*/
 	}
 
 };
-- 
cgit