+//-----------------------------------------------------------------------------
+// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// GUI (QT)
+//-----------------------------------------------------------------------------
+
#include <iostream>
#include <QPainterPath>
#include <QBrush>
#include "proxguiqt.h"
#include "proxgui.h"
+int GridOffset= 0;
+bool GridLocked= 0;
+int startMax;
+int PageWidth;
+
void ProxGuiQT::ShowGraphWindow(void)
{
emit ShowGraphWindowSignal();
plotapp->exec();
}
-ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL),
- argc(argc), argv(argv)
-{
-}
+ProxGuiQT::ProxGuiQT(int argc, char **argv) : plotapp(NULL), plotwidget(NULL), argc(argc), argv(argv) {}
ProxGuiQT::~ProxGuiQT(void)
{
painter.setFont(QFont("Arial", 10));
- if(GraphStart < 0) {
+ if(GraphStart < 0)
GraphStart = 0;
- }
if (CursorAPos > GraphTraceLen)
CursorAPos= 0;
+
if(CursorBPos > GraphTraceLen)
CursorBPos= 0;
painter.setPen(QColor(100, 100, 100));
painter.drawPath(greyPath);
+ PageWidth= (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint);
+
// plot X and Y grid lines
int i;
if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {
- for(i = 40; i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) {
+ for(i = 40 + (GridOffset * GraphPixelsPerPoint); i < r.right(); i += (int)(PlotGridX * GraphPixelsPerPoint)) {
//SelectObject(hdc, GreyPenLite);
//MoveToEx(hdc, r.left + i, r.top, NULL);
//LineTo(hdc, r.left + i, r.bottom);
lightgreyPath.moveTo(r.left()+i,r.top());
- lightgreyPath.lineTo(r.left()+i,r.bottom());
- painter.drawPath(lightgreyPath);
- }
+ lightgreyPath.lineTo(r.left()+i,r.bottom());
+ painter.drawPath(lightgreyPath);
+ }
}
if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){
for(i = 0; i < ((r.top() + r.bottom())>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) {
lightgreyPath.moveTo(r.left() + 40,zeroHeight + i);
- lightgreyPath.lineTo(r.right(),zeroHeight + i);
- painter.drawPath(lightgreyPath);
+ lightgreyPath.lineTo(r.right(),zeroHeight + i);
+ painter.drawPath(lightgreyPath);
lightgreyPath.moveTo(r.left() + 40,zeroHeight - i);
- lightgreyPath.lineTo(r.right(),zeroHeight - i);
- painter.drawPath(lightgreyPath);
- }
+ lightgreyPath.lineTo(r.right(),zeroHeight - i);
+ painter.drawPath(lightgreyPath);
}
+ }
+
+ startMax = (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
- int startMax =
- (GraphTraceLen - (int)((r.right() - r.left() - 40) / GraphPixelsPerPoint));
- if(startMax < 0) {
+ if(startMax < 0)
startMax = 0;
- }
- if(GraphStart > startMax) {
+
+ if(GraphStart > startMax)
GraphStart = startMax;
- }
int absYMax = 1;
for(i = GraphStart; ; i++) {
- if(i >= GraphTraceLen) {
- break;
- }
- if(fabs((double)GraphBuffer[i]) > absYMax) {
+
+ if(i >= GraphTraceLen) break;
+
+ if(fabs((double)GraphBuffer[i]) > absYMax)
absYMax = (int)fabs((double)GraphBuffer[i]);
- }
+
int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
- if(x > r.right()) {
- break;
- }
+
+ if(x > r.right()) break;
}
absYMax = (int)(absYMax*1.2 + 1);
// number of points that will be plotted
int span = (int)((r.right() - r.left()) / GraphPixelsPerPoint);
+
// one label every 100 pixels, let us say
int labels = (r.right() - r.left() - 40) / 100;
if(labels <= 0) labels = 1;
+
int pointsPerLabel = span / labels;
if(pointsPerLabel <= 0) pointsPerLabel = 1;
int n = 0;
for(i = GraphStart; ; i++) {
- if(i >= GraphTraceLen) {
- break;
- }
+ if(i >= GraphTraceLen) break;
+
int x = 40 + (int)((i - GraphStart)*GraphPixelsPerPoint);
- if(x > r.right() + GraphPixelsPerPoint) {
- break;
- }
+ if(x > r.right() + GraphPixelsPerPoint) break;
int y = GraphBuffer[i];
- if(y < yMin) {
+ if(y < yMin)
yMin = y;
- }
- if(y > yMax) {
+
+ if(y > yMax)
yMax = y;
- }
+
yMean += y;
n++;
y = (y * (r.top() - r.bottom()) / (2*absYMax)) + zeroHeight;
- if(i == GraphStart) {
+
+ if(i == GraphStart)
penPath.moveTo(x, y);
- } else {
+ else
penPath.lineTo(x, y);
- }
+
if(GraphPixelsPerPoint > 10) {
QRect f(QPoint(x - 3, y - 3),QPoint(x + 3, y + 3));
if(i == CursorAPos || i == CursorBPos) {
QPainterPath *cursorPath;
- if(i == CursorAPos) {
+ if(i == CursorAPos)
cursorPath = &cursorAPath;
- } else {
+ else
cursorPath = &cursorBPath;
- }
+
cursorPath->moveTo(x, r.top());
cursorPath->lineTo(x, r.bottom());
penPath.moveTo(x, y);
}
}
- if(n != 0) {
+ if(n != 0)
yMean /= n;
- }
painter.setPen(QColor(255, 255, 255));
painter.drawPath(whitePath);
painter.setPen(QColor(255, 0, 255));
painter.drawPath(cursorBPath);
- char str[100];
- sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d]",
+ char str[200];
+ sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d] GridX=%d GridY=%d (%s)",
GraphStart, yMax, yMin, yMean, n, GraphTraceLen,
- CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor,GraphPixelsPerPoint,CursorAPos,GraphBuffer[CursorAPos],CursorBPos,GraphBuffer[CursorBPos]);
+ CursorBPos - CursorAPos,
+ (CursorBPos - CursorAPos)/CursorScaleFactor,
+ GraphPixelsPerPoint,
+ CursorAPos,
+ GraphBuffer[CursorAPos],
+ CursorBPos,
+ GraphBuffer[CursorBPos],
+ PlotGridXdefault,
+ PlotGridYdefault,
+ GridLocked ? "Locked" : "Unlocked"
+ );
painter.setPen(QColor(255, 255, 255));
painter.drawText(50, r.bottom() - 20, str);
ProxWidget::ProxWidget(QWidget *parent) : QWidget(parent), GraphStart(0), GraphPixelsPerPoint(1)
{
- resize(600, 500);
+ resize(600, 300);
QPalette palette(QColor(0,0,0,0));
palette.setColor(QPalette::WindowText, QColor(255,255,255));
palette.setColor(QPalette::Button, QColor(100, 100, 100));
setPalette(palette);
setAutoFillBackground(true);
+ CursorAPos = 0;
+ CursorBPos = 0;
}
void ProxWidget::closeEvent(QCloseEvent *event)
CursorBPos = x;
}
-
this->update();
}
void ProxWidget::keyPressEvent(QKeyEvent *event)
{
+ int offset;
+ int gridchanged;
+
+ gridchanged= 0;
+
+ if(event->modifiers() & Qt::ShiftModifier) {
+ if (PlotGridX)
+ offset= PageWidth - (PageWidth % PlotGridX);
+ else
+ offset= PageWidth;
+ } else
+ if(event->modifiers() & Qt::ControlModifier)
+ offset= 1;
+ else
+ offset= (int)(20 / GraphPixelsPerPoint);
+
switch(event->key()) {
case Qt::Key_Down:
if(GraphPixelsPerPoint <= 50) {
case Qt::Key_Right:
if(GraphPixelsPerPoint < 20) {
- GraphStart += (int)(20 / GraphPixelsPerPoint);
+ if (PlotGridX && GridLocked && GraphStart < startMax){
+ GridOffset -= offset;
+ GridOffset %= PlotGridX;
+ gridchanged= 1;
+ }
+ GraphStart += offset;
} else {
+ if (PlotGridX && GridLocked && GraphStart < startMax){
+ GridOffset--;
+ GridOffset %= PlotGridX;
+ gridchanged= 1;
+ }
GraphStart++;
}
+ if(GridOffset < 0) {
+ GridOffset += PlotGridX;
+ }
+ if (gridchanged)
+ if (GraphStart > startMax) {
+ GridOffset += (GraphStart - startMax);
+ GridOffset %= PlotGridX;
+ }
break;
case Qt::Key_Left:
if(GraphPixelsPerPoint < 20) {
- GraphStart -= (int)(20 / GraphPixelsPerPoint);
+ if (PlotGridX && GridLocked && GraphStart > 0){
+ GridOffset += offset;
+ GridOffset %= PlotGridX;
+ gridchanged= 1;
+ }
+ GraphStart -= offset;
} else {
+ if (PlotGridX && GridLocked && GraphStart > 0){
+ GridOffset++;
+ GridOffset %= PlotGridX;
+ gridchanged= 1;
+ }
GraphStart--;
}
+ if (gridchanged){
+ if (GraphStart < 0)
+ GridOffset += GraphStart;
+ if(GridOffset < 0)
+ GridOffset += PlotGridX;
+ GridOffset %= PlotGridX;
+ }
+ break;
+
+ case Qt::Key_G:
+ if(PlotGridX || PlotGridY) {
+ PlotGridX= 0;
+ PlotGridY= 0;
+ } else {
+ PlotGridX= PlotGridXdefault;
+ PlotGridY= PlotGridYdefault;
+ }
+ break;
+
+ case Qt::Key_H:
+ puts("Plot Window Keystrokes:\n");
+ puts(" Key Action\n");
+ puts(" DOWN Zoom in");
+ puts(" G Toggle grid display");
+ puts(" H Show help");
+ puts(" L Toggle lock grid relative to samples");
+ 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;
+
+ case Qt::Key_L:
+ GridLocked= !GridLocked;
+ break;
+
+ case Qt::Key_Q:
+ this->hide();
break;
default: