add position gauge

3 files changed, 134 insertions, 1 deletions

diff --git a/lib/gui/Makefile.am b/lib/gui/Makefile.am
index 55a7e534..730150a3 100644
--- a/lib/gui/Makefile.am
+++ b/lib/gui/Makefile.am
@@ -8,4 +8,4 @@ libenigma_gui_a_SOURCES = \
 	ebutton.cpp elabel.cpp eslider.cpp ewidget.cpp ewidgetdesktop.cpp  \
 	ewindow.cpp ewindowstyle.cpp elistbox.cpp elistboxcontent.cpp \
 	epixmap.cpp ewindowstyleskinned.cpp einput.cpp einputstring.cpp einputnumber.cpp \
-	ewidgetanimation.cpp
+	ewidgetanimation.cpp epositiongauge.cpp
diff --git a/lib/gui/epositiongauge.cpp b/lib/gui/epositiongauge.cpp
new file mode 100644
index 00000000..1d8775e8
--- /dev/null
+++ b/lib/gui/epositiongauge.cpp
@@ -0,0 +1,96 @@
+#include <lib/gui/epositiongauge.h>
+#include <lib/gui/epixmap.h>
+
+ePositionGauge::ePositionGauge(eWidget *parent)
+	: eWidget(parent)
+{
+	m_point_widget = new ePixmap(this);
+	m_point_widget->setAlphatest(1);
+	m_position = 0;
+	m_length = 0;
+}
+
+ePositionGauge::~ePositionGauge()
+{
+	delete m_point_widget;
+}
+
+void ePositionGauge::setLength(const pts_t &len)
+{
+	eDebug("set len: %llx", len);
+	if (m_length == len)
+		return;
+	m_length = len;
+	updatePosition();
+}
+
+void ePositionGauge::setPosition(const pts_t &pos)
+{
+	eDebug("set position: %llx", pos);
+	if (m_position == pos)
+		return;
+	m_position = pos;
+	updatePosition();
+}
+
+void ePositionGauge::setInColor(const gRGB &color)
+{
+	invalidate();
+}
+
+void ePositionGauge::setPointer(gPixmap *pixmap, const ePoint &center)
+{
+	m_point_center = center;
+	m_point_widget->setPixmap(pixmap);
+	m_point_widget->resize(pixmap->size());
+	updatePosition();
+}
+
+int ePositionGauge::event(int event, void *data, void *data2)
+{
+	switch (event)
+	{
+	case evtPaint:
+	{
+		ePtr<eWindowStyle> style;
+		gPainter &painter = *(gPainter*)data2;
+
+		eSize s(size());
+
+		getStyle(style);
+		style->paintBackground(painter, ePoint(0,0), s);
+		style->setStyle(painter, eWindowStyle::styleLabel); // TODO - own style
+
+		painter.fill(eRect(0, 10, s.width(), s.height()-20));
+		
+#if 0
+// border
+		if (m_have_border_color)
+			painter.setForegroundColor(m_border_color);
+		painter.fill(eRect(0, 0, s.width(), m_border_width));
+		painter.fill(eRect(0, m_border_width, m_border_width, s.height()-m_border_width));
+		painter.fill(eRect(m_border_width, s.height()-m_border_width, s.width()-m_border_width, m_border_width));
+		painter.fill(eRect(s.width()-m_border_width, m_border_width, m_border_width, s.height()-m_border_width));
+#endif
+
+		return 0;
+	}
+	case evtChangedPosition:
+		return 0;
+	default:
+		return eWidget::event(event, data, data2);
+	}
+}
+
+void ePositionGauge::updatePosition()
+{
+	if (!m_length)
+		return;
+
+	int width = size().width();
+	int x = width * m_position / m_length;
+	m_pos = x;
+	int base = (size().height() - 10) / 2;
+
+	m_point_widget->move(ePoint(m_pos - m_point_center.x(), base - m_point_center.y()));
+}
diff --git a/lib/gui/epositiongauge.h b/lib/gui/epositiongauge.h
new file mode 100644
index 00000000..6f72fe80
--- /dev/null
+++ b/lib/gui/epositiongauge.h
@@ -0,0 +1,37 @@
+#ifndef __lib_gui_epositiongauge_h
+#define __lib_gui_epositiongauge_h
+
+#include <lib/gui/ewidget.h>
+
+typedef long long pts_t;
+
+class ePixmap;
+
+class ePositionGauge: public eWidget
+{
+public:
+	ePositionGauge(eWidget *parent);
+	~ePositionGauge();
+	void setLength(const pts_t &len);
+	void setPosition(const pts_t &pos);
+	
+	void setInColor(const gRGB &color); /* foreground? */
+	void setPointer(gPixmap *pixmap, const ePoint &center);
+#ifndef SWIG
+protected:
+	int event(int event, void *data=0, void *data2=0);
+private:
+	void updatePosition();
+	enum ePositionGaugeEvent
+	{
+		evtChangedPosition = evtUserWidget
+	};
+	ePixmap *m_point_widget;
+	ePoint m_point_center;
+	
+	pts_t m_position, m_length;
+	int m_pos;
+#endif
+};
+
+#endif