From 5b3e00c28afbd29878ca9da785f989ba2e82ff1c Mon Sep 17 00:00:00 2001
From: Henning Burchardt <hb777@gmx.net>
Date: Mon, 17 Sep 2001 00:06:34 +0000
Subject: [PATCH] - you can now set in GlowButtonFactory (with 'setSteps') how
 many pixmaps are   used to create the glow effect

svn path=/trunk/kdebase/kwin/; revision=114494
---
 clients/glow/glowbutton.cpp | 26 +++++++++++++++++++-------
 clients/glow/glowbutton.h   | 30 +++++++++++++++++++-----------
 2 files changed, 38 insertions(+), 18 deletions(-)

diff --git a/clients/glow/glowbutton.cpp b/clients/glow/glowbutton.cpp
index f66dd98ecf..6cf86ecd13 100644
--- a/clients/glow/glowbutton.cpp
+++ b/clients/glow/glowbutton.cpp
@@ -31,7 +31,7 @@ GlowButton::GlowButton(QWidget *parent, const char *name,
 	const QString& tip, QPixmap *pixmap)
 	: KWinWidgetButton(parent, name, 0, tip), m_pixmap(pixmap)
 {
-	m_steps = 20;
+	m_steps = 0;
 	m_updateTime = 50;
 
 	m_timer = new QTimer();
@@ -52,10 +52,16 @@ QPixmap *GlowButton::getPixmap()
 void GlowButton::setPixmap(QPixmap *pixmap)
 {
 	m_pixmap = pixmap;
+
+	// set mask
 	QBitmap mask(width(), height());
 	mask.fill(Qt::color0);
 	bitBlt(&mask, 0, 0, pixmap->mask(), 0, 0, width(), height());
 	setMask(mask);
+
+	// set steps
+	m_steps = pixmap->height()/pixmap->width() - 1;
+
 	repaint(false);
 }
 
@@ -139,9 +145,16 @@ void GlowButton::slotTimeout()
 GlowButtonFactory::GlowButtonFactory()
 {
 	m_steps = 20;
-// cerr << "GlowButtonFactory " << "GlowButtonFactory " << m_steps << endl;
-	m_glowFactor = 1.0;
-	m_updateTime = 50;
+}
+
+int GlowButtonFactory::getSteps()
+{
+	return m_steps;
+}
+
+void GlowButtonFactory::setSteps(int steps)
+{
+	m_steps = steps;
 }
 
 QPixmap* GlowButtonFactory::createGlowButtonPixmap(
@@ -227,8 +240,6 @@ GlowButton* GlowButtonFactory::createGlowButton(
 {
 	GlowButton *glowButton = new GlowButton(
 		parent, name, tip, pixmap);
-	glowButton->m_steps = m_steps;
-	glowButton->m_updateTime = m_updateTime;
 	return glowButton;
 }
 
@@ -330,4 +341,5 @@ QBitmap DrawUtils::drawSimpleRoundButtonMask( const QSize& size )
 	return mask;
 }
 
-#include "glowbutton.moc"
\ No newline at end of file
+#include "glowbutton.moc"
+
diff --git a/clients/glow/glowbutton.h b/clients/glow/glowbutton.h
index b84c73b7fd..5338c25cec 100644
--- a/clients/glow/glowbutton.h
+++ b/clients/glow/glowbutton.h
@@ -18,6 +18,7 @@
 #ifndef GLOW_BUTTON_H
 #define GLOW_BUTTON_H
 
+#include <vector>
 #include <kwin/kwinbutton.h>
 
 class QPixmap;
@@ -27,24 +28,27 @@ class QTimer;
 namespace KWinInternal
 {
 
-class GlowButtonFactory;
-
 class GlowButton : public KWinWidgetButton
 {
 	Q_OBJECT
 
-	friend class GlowButtonFactory;
 public:
+	GlowButton(QWidget *parent, const char* name,
+		const QString& tip, QPixmap *bgPixmap=0);
 	~GlowButton();
 
 	QPixmap *getPixmap();
 
+	/**
+	 * Sets the background pixmap of the button.
+	 * The pixmap should consist of sub pixmaps of the size of the button which
+	 * are placed one below the other. Each sub pixmap is copied on the button
+	 * in succession to create the glow effect. The last sub pixmap is used
+	 * when the button is pressed.
+	 */
 	void setPixmap(QPixmap* pixmap);
 
 protected:
-	GlowButton(QWidget *parent, const char* name,
-		const QString& tip, QPixmap *bgPixmap=0);
-
 	virtual void paintEvent( QPaintEvent * );
 	virtual void enterEvent( QEvent * );
 	virtual void leaveEvent( QEvent * );
@@ -66,8 +70,6 @@ private:
 	TimerStatus m_timerStatus;
 
 signals:
-//	void pressed();
-//	void released();
 	void clicked();
 	void clicked(int button);
 };
@@ -79,6 +81,14 @@ class GlowButtonFactory
 public:
 	GlowButtonFactory();
 
+	int getSteps();
+
+	/**
+	 * Sets the number of pixmaps used to create the glow effect of the
+	 * glow buttons.
+	 */
+	void setSteps(int steps);
+
 	QPixmap* createGlowButtonPixmap(
 		const QSize& size, const QColor& glowColor,
 		const QColorGroup& colorGroup, const QPixmap& fgPixmap );
@@ -91,8 +101,6 @@ public:
 
 private:
 	int m_steps;
-	float m_glowFactor;
-	int m_updateTime;
 };
 
 //-----------------------------------------------------------------------------
@@ -110,4 +118,4 @@ public:
 
 }; // namespace
 
-#endif
\ No newline at end of file
+#endif