X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b742ab8cc3fa259990551f2d4265c09681ba705f..refs/pull/910/head:/client/proxguiqt.cpp

diff --git a/client/proxguiqt.cpp b/client/proxguiqt.cpp
index 30e4c8de..cda90cc0 100644
--- a/client/proxguiqt.cpp
+++ b/client/proxguiqt.cpp
@@ -34,8 +34,8 @@ extern "C" {
 
 bool g_useOverlays = false;
 int g_absVMax = 0;
-int startMax;
-int PageWidth;
+int startMax;  // Maximum offset in the graph (right side of graph)
+int PageWidth; // How many samples are currently visible on this 'page' / graph
 int unlockStart = 0;
 
 void ProxGuiQT::ShowGraphWindow(void)
@@ -134,8 +134,8 @@ ProxGuiQT::~ProxGuiQT(void)
 {
 	//if (plotwidget) {
 		//plotwidget->destroy(true,true);
-	//	delete plotwidget;
-	//	plotwidget = NULL;
+	//  delete plotwidget;
+	//  plotwidget = NULL;
 	//}
 	if (plotapp) {
 		plotapp->quit();
@@ -474,7 +474,7 @@ void Plot::plotGridLines(QPainter* painter,QRect r)
 	if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
 		for(i = (offset * GraphPixelsPerPoint); i < r.right(); i += grid_delta_x) {
 			painter->drawLine(r.left()+i, r.top(), r.left()+i, r.bottom());
-		} 
+		}
 	}
 	if (PlotGridY > 0) {
 		for(i = 0; yCoordOf(i,r,g_absVMax) > r.top(); i += grid_delta_y) {
@@ -509,8 +509,9 @@ void Plot::paintEvent(QPaintEvent *event)
 	if(CursorDPos > GraphTraceLen)
 		CursorDPos= 0;
 
-	QRect plotRect(WIDTH_AXES, 0, width()-WIDTH_AXES, height()-HEIGHT_INFO);
-	QRect infoRect(0, height()-HEIGHT_INFO, width(), HEIGHT_INFO);
+	QRect plotRect(WIDTH_AXES, 0, width() - WIDTH_AXES, height() - HEIGHT_INFO);
+	QRect infoRect(0, height() - HEIGHT_INFO, width(), HEIGHT_INFO);
+	PageWidth = plotRect.width() / GraphPixelsPerPoint;
 
 	//Grey background
 	painter.fillRect(rect(), QColor(60, 60, 60));
@@ -529,7 +530,7 @@ void Plot::paintEvent(QPaintEvent *event)
 
 	//Start painting graph
 	PlotGraph(GraphBuffer, GraphTraceLen,plotRect,infoRect,&painter,0);
-	if (showDemod && DemodBufferLen	> 8) {
+	if (showDemod && DemodBufferLen > 8) {
 		PlotDemod(DemodBuffer, DemodBufferLen,plotRect,infoRect,&painter,2,g_DemodStartIdx);
 	}
 	if (g_useOverlays) {
@@ -564,7 +565,7 @@ void Plot::paintEvent(QPaintEvent *event)
 	//Draw annotations
 	char str[200];
 	sprintf(str, "@%d  dt=%d [%2.2f] zoom=%2.2f  CursorAPos=%d  CursorBPos=%d  GridX=%d  GridY=%d (%s) GridXoffset=%d",
-			GraphStart,	CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,
+			GraphStart, CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,
 			GraphPixelsPerPoint,CursorAPos,CursorBPos,PlotGridXdefault,PlotGridYdefault,GridLocked?"Locked":"Unlocked",GridOffset);
 	painter.setPen(QColor(255, 255, 255));
 	painter.drawText(20, infoRect.bottom() - 3, str);
@@ -616,14 +617,14 @@ void Plot::mouseMoveEvent(QMouseEvent *event)
 
 void Plot::keyPressEvent(QKeyEvent *event)
 {
-	int	offset;
+	int offset; // Left/right movement offset (in sample size)
 
 	if(event->modifiers() & Qt::ShiftModifier) {
 		if (PlotGridX)
 			offset= PageWidth - (PageWidth % PlotGridX);
 		else
 			offset= PageWidth;
-	} else 
+	} else
 		if(event->modifiers() & Qt::ControlModifier)
 			offset= 1;
 		else
@@ -671,20 +672,22 @@ void Plot::keyPressEvent(QKeyEvent *event)
 		case Qt::Key_H:
 			puts("Plot Window Keystrokes:\n");
 			puts(" Key                      Action\n");
+			puts(" UP                       Zoom out");
 			puts(" DOWN                     Zoom in");
 			puts(" G                        Toggle grid display");
 			puts(" H                        Show help");
 			puts(" L                        Toggle lock grid relative to samples");
+			puts(" Q                        Hide window");
+			puts(" HOME                     Move to the start of the graph");
+			puts(" END                      Move to the end of the graph");
 			puts(" LEFT                     Move left");
 			puts(" <CTL>LEFT                Move left 1 sample");
 			puts(" <SHIFT>LEFT              Page left");
 			puts(" LEFT-MOUSE-CLICK         Set yellow cursor");
-			puts(" Q                        Hide window");
 			puts(" RIGHT                    Move right");
 			puts(" <CTL>RIGHT               Move right 1 sample");
 			puts(" <SHIFT>RIGHT             Page right");
 			puts(" RIGHT-MOUSE-CLICK        Set purple cursor");
-			puts(" UP                       Zoom out");
 			puts("");
 			puts("Use client window 'data help' for more plot commands\n");
 			break;
@@ -701,6 +704,14 @@ void Plot::keyPressEvent(QKeyEvent *event)
 			master->hide();
 			break;
 
+		case Qt::Key_Home:
+			GraphStart = 0;
+			break;
+
+		case Qt::Key_End:
+			GraphStart = startMax;
+			break;
+
 		default:
 			QWidget::keyPressEvent(event);
 			return;