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OSCAR-code/Graphs/gGraphView.cpp
Mark Watkins aa0be5238e Allow more space between Y-Axis values
2011-12-20 01:36:44 +10:00

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/*
gGraphView Implementation
Copyright (c)2011 Mark Watkins <jedimark@users.sourceforge.net>
License: GPL
*/
#include <cmath>
#include <QFontMetrics>
#include "gGraphView.h"
#include "SleepLib/profiles.h"
#include <QTimer>
#include <QLabel>
#include <QDir>
#include "mainwindow.h"
#include "Graphs/gYAxis.h"
#include "Graphs/gFlagsLine.h"
extern MainWindow *mainwin;
#ifdef Q_WS_MAC
#define USE_RENDERTEXT
#endif
bool _graph_init=false;
QFont * defaultfont=NULL;
QFont * mediumfont=NULL;
QFont * bigfont=NULL;
bool evil_intel_graphics_chip=false;
extern QLabel * qstatus2;
const int mouse_movement_threshold=6;
// Must be called from a thread inside the application.
void InitGraphs()
{
if (!_graph_init) {
if (!PREF.Exists("Fonts_Graph_Name")) {
PREF["Fonts_Graph_Name"]="Sans Serif";
PREF["Fonts_Graph_Size"]=10;
PREF["Fonts_Graph_Bold"]=false;
PREF["Fonts_Graph_Italic"]=false;
}
if (!PREF.Exists("Fonts_Title_Name")) {
PREF["Fonts_Title_Name"]="Serif";
PREF["Fonts_Title_Size"]=11;
PREF["Fonts_Title_Bold"]=true;
PREF["Fonts_Title_Italic"]=false;
}
if (!PREF.Exists("Fonts_Big_Name")) {
PREF["Fonts_Big_Name"]="Serif";
PREF["Fonts_Big_Size"]=35;
PREF["Fonts_Big_Bold"]=false;
PREF["Fonts_Big_Italic"]=false;
}
defaultfont=new QFont(PREF["Fonts_Graph_Name"].toString(),
PREF["Fonts_Graph_Size"].toInt(),
PREF["Fonts_Graph_Bold"].toBool() ? QFont::Bold : QFont::Normal,
PREF["Fonts_Graph_Italic"].toBool()
);
mediumfont=new QFont(PREF["Fonts_Title_Name"].toString(),
PREF["Fonts_Title_Size"].toInt(),
PREF["Fonts_Title_Bold"].toBool() ? QFont::Bold : QFont::Normal,
PREF["Fonts_Title_Italic"].toBool()
);
bigfont=new QFont(PREF["Fonts_Big_Name"].toString(),
PREF["Fonts_Big_Size"].toInt(),
PREF["Fonts_Big_Bold"].toBool() ? QFont::Bold : QFont::Normal,
PREF["Fonts_Big_Italic"].toBool()
);
defaultfont->setStyleHint(QFont::AnyStyle,QFont::OpenGLCompatible);
mediumfont->setStyleHint(QFont::AnyStyle,QFont::OpenGLCompatible);
bigfont->setStyleHint(QFont::AnyStyle,QFont::OpenGLCompatible);
_graph_init=true;
}
}
void DoneGraphs()
{
if (_graph_init) {
delete defaultfont;
delete bigfont;
delete mediumfont;
_graph_init=false;
}
}
void GetTextExtent(QString text, int & width, int & height, QFont *font)
{
#ifdef ENABLE_THREADED_DRAWING
static QMutex mut;
mut.lock();
#endif
QFontMetrics fm(*font);
//#ifdef Q_WS_WIN32
QRect r=fm.tightBoundingRect(text);
width=r.width();
height=r.height();
//#else
// width=fm.width(text);
// height=fm.xHeight()+2; // doesn't work properly on windows..
//#endif
#ifdef ENABLE_THREADED_DRAWING
mut.unlock();
#endif
}
GLBuffer::GLBuffer(int max,int type, bool stippled)
:m_max(max), m_type(type), m_stippled(stippled)
{
m_scissor=false;
m_antialias=true;
m_forceantialias=false;
m_cnt=0;
m_colcnt=0;
m_size=1;
}
GLBuffer::~GLBuffer()
{
}
///////
void GLShortBuffer::add(GLshort x, GLshort y)
{
if (m_cnt<m_max+2) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x;
buffer[m_cnt++]=y;
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLShortBuffer::add(GLshort x1, GLshort y1, GLshort x2, GLshort y2)
{
if (m_cnt<m_max+4) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLShortBuffer::add(GLshort x1, GLshort y1, GLshort x2, GLshort y2,GLshort x3, GLshort y3, GLshort x4, GLshort y4)
{
if (m_cnt<m_max+8) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
buffer[m_cnt++]=x3;
buffer[m_cnt++]=y3;
buffer[m_cnt++]=x4;
buffer[m_cnt++]=y4;
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
GLShortBuffer::GLShortBuffer(int max,int type, bool stippled)
:GLBuffer(max,type,stippled)
{
buffer=new GLshort [max+8];
colors=new GLubyte[max*4+(8*4)];
}
GLShortBuffer::~GLShortBuffer()
{
if (colors) delete [] colors;
if (buffer) delete [] buffer;
}
void GLShortBuffer::add(GLshort x, GLshort y,QColor & color)
{
if (m_cnt<m_max+2) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x;
buffer[m_cnt++]=y;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLShortBuffer::add(GLshort x1, GLshort y1, GLshort x2, GLshort y2,QColor & color)
{
if (m_cnt<m_max+4) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLShortBuffer::add(GLshort x1, GLshort y1, GLshort x2, GLshort y2,GLshort x3, GLshort y3, GLshort x4, GLshort y4,QColor & color) // add with vertex colors
{
if (m_cnt<m_max+8) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
buffer[m_cnt++]=x3;
buffer[m_cnt++]=y3;
buffer[m_cnt++]=x4;
buffer[m_cnt++]=y4;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLShortBuffer::draw()
{
if (m_cnt>0) {
bool antialias=m_forceantialias || (PROFILE.ExistsAndTrue("UseAntiAliasing") && m_antialias);
float size=m_size;
if (antialias) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
size+=0.5;
} else if (m_type==GL_POLYGON) {
glEnable(GL_POLYGON_SMOOTH);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
}
}
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
if (m_stippled) {
glLineStipple(1, 0xAAAA);
glEnable(GL_LINE_STIPPLE);
} else {
glLineStipple(1, 0xFFFF);
}
glLineWidth(size);
} else if (m_type==GL_POINTS) {
glPointSize(size);
} else if (m_type==GL_POLYGON) {
glPolygonMode(GL_BACK,GL_FILL);
}
if (m_scissor) {
glScissor(s1,s2,s3,s4);
glEnable(GL_SCISSOR_TEST);
}
glVertexPointer(2, GL_SHORT, 0, buffer);
if (m_colcnt>0) {
glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors);
glEnableClientState(GL_COLOR_ARRAY);
} else {
glColor4ub(m_color.red(),m_color.green(),m_color.blue(),m_color.alpha());
}
glEnableClientState(GL_VERTEX_ARRAY);
glDrawArrays(m_type, 0, m_cnt >> 1);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
if (m_colcnt>0) {
glDisableClientState(GL_COLOR_ARRAY);
}
//qDebug() << "I Drawed" << m_cnt << "vertices";
m_cnt=0;
m_colcnt=0;
if (m_scissor) {
glDisable(GL_SCISSOR_TEST);
m_scissor=false;
}
if (m_type==GL_POLYGON) {
glPolygonMode(GL_BACK,GL_FILL);
}
if (m_stippled) {
glDisable(GL_LINE_STIPPLE);
glLineStipple(1, 0xFFFF);
}
if (antialias) {
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
glDisable(GL_LINE_SMOOTH);
} else if (m_type==GL_POLYGON) {
glDisable(GL_POLYGON_SMOOTH);
}
glDisable(GL_BLEND);
}
}
}
/////////////////////////////////////////////////////////////////////
// GLFloatBuffer
GLFloatBuffer::GLFloatBuffer(int max,int type,bool stippled)
:GLBuffer(max,type,stippled)
{
buffer=new GLfloat [max+8];
colors=new GLubyte[max*4+(8*4)];
}
GLFloatBuffer::~GLFloatBuffer()
{
if (colors) delete [] colors;
if (buffer) delete [] buffer;
}
void GLFloatBuffer::add(GLfloat x, GLfloat y,QColor & color)
{
if (m_cnt<m_max+2) {
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x;
buffer[m_cnt++]=y;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
} else {
qDebug() << "GLBuffer overflow";
}
}
void GLFloatBuffer::add(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,QColor & color)
{
if (m_cnt<m_max+4) {
qDebug() << "GLFloatBuffer overflow";
return;
}
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
}
void GLFloatBuffer::add(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,GLfloat x3, GLfloat y3, GLfloat x4, GLfloat y4,QColor & color) // add with vertex colors
{
if (m_cnt>=m_max+8) {
qDebug() << "GLFloatBuffer overflow";
return;
}
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
buffer[m_cnt++]=x3;
buffer[m_cnt++]=y3;
buffer[m_cnt++]=x4;
buffer[m_cnt++]=y4;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
}
void GLFloatBuffer::quadGrLR(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,GLfloat x3, GLfloat y3, GLfloat x4, GLfloat y4,QColor & color, QColor & color2) // add with vertex colors
{
if (m_cnt>=m_max+8) {
qDebug() << "GLFloatBuffer overflow";
return;
}
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
buffer[m_cnt++]=x3;
buffer[m_cnt++]=y3;
buffer[m_cnt++]=x4;
buffer[m_cnt++]=y4;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color2.red();
colors[m_colcnt++]=color2.green();
colors[m_colcnt++]=color2.blue();
colors[m_colcnt++]=color2.alpha();
colors[m_colcnt++]=color2.red();
colors[m_colcnt++]=color2.green();
colors[m_colcnt++]=color2.blue();
colors[m_colcnt++]=color2.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
}
void GLFloatBuffer::quadGrTB(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,GLfloat x3, GLfloat y3, GLfloat x4, GLfloat y4,QColor & color, QColor & color2)
{
if (m_cnt>=m_max+8) {
qDebug() << "GLFloatBuffer overflow";
return;
}
#ifdef ENABLE_THREADED_DRAWING
mutex.lock();
#endif
buffer[m_cnt++]=x1;
buffer[m_cnt++]=y1;
buffer[m_cnt++]=x3;
buffer[m_cnt++]=y3;
buffer[m_cnt++]=x2;
buffer[m_cnt++]=y2;
buffer[m_cnt++]=x4;
buffer[m_cnt++]=y4;
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color.red();
colors[m_colcnt++]=color.green();
colors[m_colcnt++]=color.blue();
colors[m_colcnt++]=color.alpha();
colors[m_colcnt++]=color2.red();
colors[m_colcnt++]=color2.green();
colors[m_colcnt++]=color2.blue();
colors[m_colcnt++]=color2.alpha();
colors[m_colcnt++]=color2.red();
colors[m_colcnt++]=color2.green();
colors[m_colcnt++]=color2.blue();
colors[m_colcnt++]=color2.alpha();
#ifdef ENABLE_THREADED_DRAWING
mutex.unlock();
#endif
}
void GLFloatBuffer::draw()
{
if (m_cnt<=0) return;
bool antialias=m_forceantialias || (PROFILE["UseAntiAliasing"].toBool() && m_antialias);
float size=m_size;
if (antialias) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
glEnable(GL_LINE_SMOOTH);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
size+=0.5;
} else if (m_type==GL_POLYGON) {
glEnable(GL_POLYGON_SMOOTH);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
}
}
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
glLineWidth(size);
if (m_stippled) {
glLineStipple(1, 0xAAAA);
glEnable(GL_LINE_STIPPLE);
}
} else if (m_type==GL_POINTS) {
glPointSize(size);
} else if (m_type==GL_POLYGON) {
glPolygonMode(GL_BACK,GL_FILL);
}
if (m_scissor) {
glScissor(s1,s2,s3,s4);
glEnable(GL_SCISSOR_TEST);
}
glVertexPointer(2, GL_FLOAT, 0, buffer);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors);
//glColor4ub(200,128,95,200);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glDrawArrays(m_type, 0, m_cnt >> 1);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
//qDebug() << "I Drawed" << m_cnt << "vertices";
m_cnt=0;
m_colcnt=0;
if (m_scissor) {
glDisable(GL_SCISSOR_TEST);
m_scissor=false;
}
if (m_type==GL_POLYGON) {
glPolygonMode(GL_BACK,GL_FILL);
}
if (antialias) {
if (m_type==GL_LINES || m_type==GL_LINE_LOOP) {
if (m_stippled) glDisable(GL_LINE_STIPPLE);
glDisable(GL_LINE_SMOOTH);
} else if (m_type==GL_POLYGON) {
glDisable(GL_POLYGON_SMOOTH);
}
glDisable(GL_BLEND);
}
}
//////////////////////////////////////////////////////////////////////////////
// gToolTip implementation
gToolTip::gToolTip(gGraphView * graphview)
:m_graphview(graphview)
{
m_pos.setX(0);
m_pos.setY(0);
m_visible=false;
m_spacer=2; // pixels around text area
timer=new QTimer(graphview);
connect(timer,SIGNAL(timeout()),SLOT(timerDone()));
}
gToolTip::~gToolTip()
{
disconnect(timer,SLOT(timerDone()));
delete timer;
}
//void gToolTip::calcSize(QString text,int &w, int &h)
//{
/*GetTextExtent(text,w,h);
w+=m_spacer*2;
h+=m_spacer*2; */
//}
void gToolTip::display(QString text, int x, int y, int timeout)
{
m_text=text;
m_visible=true;
// TODO: split multiline here
//calcSize(m_text,tw,th);
m_pos.setX(x);
m_pos.setY(y);
//tw+=m_spacer*2;
//th+=m_spacer*2;
//th*=2;
if (timer->isActive()) {
timer->stop();
}
timer->setSingleShot(true);
timer->start(timeout);
}
void gToolTip::cancel()
{
m_visible=false;
timer->stop();
}
void gToolTip::paint() //actually paints it.
{
if (!m_visible) return;
int x=m_pos.x();// - tw / 2;
int y=m_pos.y();// - th;
/*GLBuffer * & lines=m_graphview->lines;
GLBuffer * & quads=m_graphview->quads;
QColor col(255,255,128,200);
quads->add(x,y,x,y+th,col);
quads->add(x+tw,y+th,x+tw,y,col);
QColor blk(0,0,0,255);
lines->add(x-1,y-1,x+tw+1,y-1,blk);
lines->add(x-1,y+th+1,x+tw+1,y+th+1,blk);
lines->add(x-1,y-1,x-1,y+th+1,blk);
lines->add(x+tw+1,y-1,x+tw+1,y+th+1,blk);
m_graphview->AddTextQue(m_text,x + m_spacer,y + m_spacer + th/2); */
QPainter painter(m_graphview);
QRect br;
QRect rect(x,y,0,0);
painter.setFont(*defaultfont);
rect=painter.boundingRect(rect,Qt::AlignCenter,m_text);
int w=rect.width()+m_spacer*2;
int xx=rect.x()-m_spacer;
if (xx<0) xx=0;
rect.setLeft(xx);
rect.setTop(rect.y()-rect.height()/2);
rect.setWidth(w);
//rect.setHeight(rect.height());
QBrush brush(QColor(255,255,128,200));
painter.setBrush(brush);
int z=rect.x()+rect.width();
if (z>m_graphview->width()-10) {
rect.setLeft(m_graphview->width()-2-rect.width());//m_pos.x()-m_spacer);
rect.setRight(m_graphview->width()-2);
}
int h=rect.height();
if (rect.y()<0) {
rect.setY(0);
rect.setHeight(h);
}
painter.drawRoundedRect(rect,5,5);
painter.drawText(rect,Qt::AlignCenter,m_text);
painter.end();
}
void gToolTip::timerDone()
{
m_visible=false;
m_graphview->updateGL();
}
Layer::Layer(ChannelID code)
{
m_code = code;
m_visible = true;
m_movable = false;
m_day=NULL;
m_miny=m_maxy=0;
m_minx=m_maxx=0;
m_order=0;
m_width=m_height=0;
m_X=m_Y=0;
m_position=LayerCenter;
m_refcount=0;
}
Layer::~Layer()
{
for (int i=0;i<mgl_buffers.size();i++) {
delete mgl_buffers[i];
}
}
void Layer::drawGLBuf(float linesize)
{
int type;
float size;
if (!m_visible) return;
GLBuffer *buf;
for (int i=0;i<mgl_buffers.size();i++) {
buf=mgl_buffers[i];
size=buf->size();
type=buf->type();
if ((linesize>size) && ((type==GL_LINES) || (type==GL_LINE_LOOP))) {
buf->setSize(linesize);
}
buf->draw();
//if ((linesize>size) && ((type==GL_LINES) || (type==GL_LINE_LOOP))) {
buf->setSize(size);
//}
}
}
void Layer::SetDay(Day * d)
{
if (d && !m_code.isEmpty()) {
m_day=d;
m_minx=d->first(m_code);
m_maxx=d->last(m_code);
m_miny=d->Min(m_code);
m_maxy=d->Max(m_code);
} else m_day=NULL;
}
bool Layer::isEmpty()
{
//if (m_day && (m_day->count(m_code)>0))
if (m_day && (m_day->channelExists(m_code)))
return false;
return true;
}
void Layer::setLayout(LayerPosition position, short width, short height, short order)
{
m_position=position;
m_width=width;
m_height=height;
m_order=order;
}
LayerGroup::LayerGroup() :
Layer("")
{
}
LayerGroup::~LayerGroup()
{
}
bool LayerGroup::isEmpty()
{
if (!m_day)
return true;
bool empty=true;
for (int i=0;i<layers.size();i++) {
if (layers[i]->isEmpty()) {
empty=false;
break;
}
}
return empty;
}
void LayerGroup::drawGLBuf(float linesize)
{
Layer::drawGLBuf(linesize);
for (int i=0;i<layers.size();i++) {
layers[i]->drawGLBuf(linesize);
}
}
void LayerGroup::SetDay(Day * d)
{
m_day=d;
for (int i=0;i<layers.size();i++) {
layers[i]->SetDay(d);
}
}
void LayerGroup::AddLayer(Layer *l)
{
layers.push_back(l);
l->addref();
}
qint64 LayerGroup::Minx()
{
bool first=true;
qint64 m=0,t;
for (int i=0;i<layers.size();i++) {
t=layers[i]->Minx();
if (!t) continue;
if (first) {
m=t;
first=false;
} else
if (m>t) m=t;
}
return m;
}
qint64 LayerGroup::Maxx()
{
bool first=true;
qint64 m=0,t;
for (int i=0;i<layers.size();i++) {
t=layers[i]->Maxx();
if (!t) continue;
if (first) {
m=t;
first=false;
} else
if (m<t) m=t;
}
return m;
}
EventDataType LayerGroup::Miny()
{
bool first=true;
EventDataType m=0,t;
for (int i=0;i<layers.size();i++) {
t=layers[i]->Miny();
if (t==layers[i]->Minx()) continue;
if (first) {
m=t;
first=false;
} else {
if (m>t) m=t;
}
}
return m;
}
EventDataType LayerGroup::Maxy()
{
bool first=true;
EventDataType m=0,t;
for (int i=0;i<layers.size();i++) {
t=layers[i]->Maxy();
if (t==layers[i]->Miny()) continue;
if (first) {
m=t;
first=false;
} else
if (m<t) m=t;
}
return m;
}
const double zoom_hard_limit=500.0;
#ifdef ENABLE_THREADED_DRAWING
gThread::gThread(gGraphView *g)
{
graphview=g;
mutex.lock();
}
gThread::~gThread()
{
if (isRunning()) {
m_running=false;
mutex.unlock();
wait();
terminate();
}
}
void gThread::run()
{
m_running=true;
gGraph * g;
while (m_running) {
mutex.lock();
//mutex.unlock();
if (!m_running) break;
do {
g=graphview->popGraph();
if (g) {
g->paint(g->m_lastbounds.x(),g->m_lastbounds.y(),g->m_lastbounds.width(),g->m_lastbounds.height());
//int i=0;
} else {
//mutex.lock();
graphview->masterlock->release(1); // This thread gives up for now..
}
} while (g);
}
}
#endif
gGraph::gGraph(gGraphView *graphview,QString title,QString units, int height,short group) :
m_graphview(graphview),
m_title(title),
m_units(units),
m_height(height),
m_visible(true)
{
m_min_height=60;
m_layers.clear();
if (graphview) {
graphview->addGraph(this,group);
timer=new QTimer(graphview);
connect(timer,SIGNAL(timeout()),SLOT(Timeout()));
} else {
qWarning() << "gGraph created without a gGraphView container.. Naughty programmer!! Bad!!!";
}
m_margintop=14;
m_marginbottom=5;
m_marginleft=0;
m_marginright=15;
m_selecting_area=m_blockzoom=false;
m_lastx23=0;
m_quad=new GLShortBuffer(64,GL_QUADS);
m_quad->forceAntiAlias(true);
f_miny=f_maxy=0;
m_enforceMinY=m_enforceMaxY=false;
rec_miny=rec_maxy=0;
m_showTitle=true;
}
gGraph::~gGraph()
{
for (int i=0;i<m_layers.size();i++) {
if (m_layers[i]->unref())
delete m_layers[i];
}
m_layers.clear();
delete m_quad;
timer->stop();
disconnect(timer,0,0,0);
delete timer;
}
void gGraph::Trigger(int ms)
{
if (timer->isActive()) timer->stop();
timer->setSingleShot(true);
timer->start(ms);
}
void gGraph::Timeout()
{
deselect();
m_graphview->timedRedraw(0);
}
void gGraph::deselect()
{
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
(*l)->deselect();
}
}
bool gGraph::isEmpty()
{
bool empty=true;
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
if (!(*l)->isEmpty()) {
empty=false;
break;
}
}
return empty;
}
void gGraph::showTitle(bool b)
{
m_showTitle=b;
}
float gGraph::printScaleX() { return m_graphview->printScaleX(); }
float gGraph::printScaleY() { return m_graphview->printScaleY(); }
void gGraph::drawGLBuf()
{
float linesize=ceil(m_graphview->printScaleY());
for (int i=0;i<m_layers.size();i++) {
m_layers[i]->drawGLBuf(linesize);
}
m_quad->draw();
}
void gGraph::setDay(Day * day)
{
m_day=day;
for (int i=0;i<m_layers.size();i++) {
m_layers[i]->SetDay(day);
}
ResetBounds();
}
void gGraph::qglColor(QColor col)
{
m_graphview->qglColor(col);
}
void gGraph::renderText(QString text, int x,int y, float angle, QColor color, QFont *font)
{
m_graphview->AddTextQue(text,x,y,angle,color,font);
}
void gGraph::paint(int originX, int originY, int width, int height)
{
m_lastbounds=QRect(originX,originY,width,height);
/*glEnable(GL_BLEND);
glBegin(GL_QUADS);
glColor4f(1,1,1,0.4); // Gradient End
glVertex2i(originX,originY);
glVertex2i(originX+width,originY);
glColor4f(1,1,1.0,.7); // Gradient End
glVertex2i(originX+width,originY+height);
glVertex2i(originX,originY+height);
glEnd();
glDisable(GL_BLEND);
*/
int fw,font_height;
GetTextExtent("Wg@",fw,font_height);
m_margintop=font_height+(8*printScaleY());
m_marginbottom=5;
//glColor4f(0,0,0,1);
left=marginLeft(),right=marginRight(),top=marginTop(),bottom=marginBottom();
int x=0,y=0;
if (m_showTitle) {
GetTextExtent(title(),x,y,mediumfont);
int title_x=(float(y)*2);
renderText(title(),marginLeft()+title_x,originY+height/2,90,Qt::black,mediumfont);
left+=title_x;
} else left=0;
//#define DEBUG_LAYOUT
#ifdef DEBUG_LAYOUT
QColor col=Qt::red;
lines()->add(0,originY,0,originY+height,col);
lines()->add(left,originY,left,originY+height,col);
#endif
int tmp;
left=0;
for (int i=0;i<m_layers.size();i++) {
Layer *ll=m_layers[i];
if (!ll->visible()) continue;
tmp=ll->Height()*m_graphview->printScaleY();
if (ll->position()==LayerTop) top+=tmp;
if (ll->position()==LayerBottom) bottom+=tmp;
}
for (int i=0;i<m_layers.size();i++) {
Layer *ll=m_layers[i];
if (!ll->visible()) continue;
tmp=ll->Width()*m_graphview->printScaleX();
if (ll->position()==LayerLeft) {
ll->paint(*this,originX+left,originY+top,tmp,height-top-bottom);
left+=tmp;
#ifdef DEBUG_LAYOUT
lines()->add(originX+left-1,originY,originX+left-1,originY+height,col);
#endif
}
if (ll->position()==LayerRight) {
right+=tmp;
ll->paint(*this,originX+width-right,originY+top,tmp,height-top-bottom);
#ifdef DEBUG_LAYOUT
lines()->add(originX+width-right,originY,originX+width-right,originY+height,col);
#endif
}
}
bottom=marginBottom(); top=marginTop();
for (int i=0;i<m_layers.size();i++) {
Layer *ll=m_layers[i];
if (!ll->visible()) continue;
tmp=ll->Height()*m_graphview->printScaleY();
if (ll->position()==LayerTop) {
ll->paint(*this,originX+left,originY+top,width-left-right,tmp);
top+=tmp;
}
if (ll->position()==LayerBottom) {
bottom+=tmp;
ll->paint(*this,originX+left,originY+height-bottom,width-left-right,tmp);
}
}
for (int i=0;i<m_layers.size();i++) {
Layer *ll=m_layers[i];
if (!ll->visible()) continue;
if (ll->position()==LayerCenter) {
ll->paint(*this,originX+left,originY+top,width-left-right,height-top-bottom);
}
}
if (m_selection.width()>0 && m_selecting_area) {
QColor col(128,128,255,128);
quads()->add(originX+m_selection.x(),originY+top, originX+m_selection.x()+m_selection.width(),originY+top,col);
quads()->add(originX+m_selection.x()+m_selection.width(),originY+height-bottom, originX+m_selection.x(),originY+height-bottom,col);
}
}
void gGraphView::queGraph(gGraph * g,int left, int top, int width, int height)
{
g->m_lastbounds=QRect(left,top,width,height);
#ifdef ENABLED_THREADED_DRAWING
dl_mutex.lock();
#endif
m_drawlist.push_back(g);
#ifdef ENABLED_THREADED_DRAWING
dl_mutex.unlock();
#endif
}
void gGraphView::trashGraphs()
{
//for (int i=0;i<m_graphs.size();i++) {
//delete m_graphs[i];
//}
m_graphs.clear();
m_graphsbytitle.clear();
}
gGraph * gGraphView::popGraph()
{
gGraph * g;
#ifdef ENABLED_THREADED_DRAWING
dl_mutex.lock();
#endif
if (!m_drawlist.isEmpty()) {
g=m_drawlist.at(0);
m_drawlist.pop_front();
} else g=NULL;
#ifdef ENABLED_THREADED_DRAWING
dl_mutex.unlock();
#endif
return g;
}
void gGraph::AddLayer(Layer * l,LayerPosition position, short width, short height, short order, bool movable, short x, short y)
{
l->setLayout(position,width,height,order);
l->setMovable(movable);
l->setPos(x,y);
l->addref();
m_layers.push_back(l);
}
void gGraph::redraw() { m_graphview->updateGL(); }
void gGraph::timedRedraw(int ms)
{
m_graphview->timedRedraw(ms);
}
void gGraph::mouseMoveEvent(QMouseEvent * event)
{
// qDebug() << m_title << "Move" << event->pos() << m_graphview->pointClicked();
//int y=event->pos().y();
int x=event->pos().x();
int x2=m_graphview->pointClicked().x();//,y2=m_graphview->pointClicked().y();
int w=m_lastbounds.width()-(right);
//int h=m_lastbounds.height()-(bottom+m_marginbottom);
double xx=max_x-min_x;
double xmult=xx/w;
//bool nolayer=false;
bool doredraw=false;
if (m_graphview->m_selected_graph==this) {
if (event->buttons() & Qt::LeftButton) {
//qDebug() << m_title << "Moved" << x << y << left << right << top << bottom << m_width << h;
int a1=MIN(x,x2);
int a2=MAX(x,x2);
if (a1<left) a1=left;
if (a2>w) a2=w;
m_selecting_area=true;
m_selection=QRect(a1-1,0,a2-a1,m_lastbounds.height());
double w2=m_lastbounds.width()-right-left; //-(right+m_marginright)-(m_marginleft+left);
if (m_blockzoom) {
xmult=(rmax_x-rmin_x)/w2;
} else xmult=(max_x-min_x)/w2;
qint64 a=double(a2-a1)*xmult;
float d=double(a)/86400000.0;
int h=a/3600000;
int m=(a/60000) % 60;
int s=(a/1000) % 60;
int ms(a % 1000);
QString str;
if (d>1) {
str.sprintf("%1.0f days",d);
} else {
str.sprintf("%02i:%02i:%02i:%03i",h,m,s,ms);
}
if (qstatus2) {
qstatus2->setText(str);
}
//m_graphview->updateGL();
//nolayer=false;
doredraw=true;
} else if (event->buttons() & Qt::RightButton) {
m_graphview->setPointClicked(event->pos());
x-=left+m_marginleft;
x2-=left+m_marginleft;
//int a1=MIN(x,x2);
//int a2=MAX(x,x2);
//if (a1<m_marginleft+left) a1=m_marginleft+left;
//if (a2>w) a2=w;
if (!m_blockzoom) {
xx=max_x-min_x;
w-=m_marginleft+left;
xmult=xx/double(w);
qint64 j1=xmult*x;
qint64 j2=xmult*x2;
qint64 jj=j2-j1;
min_x+=jj;
max_x+=jj;
if (min_x<rmin_x) {
min_x=rmin_x;
max_x=rmin_x+xx;
}
if (max_x>rmax_x) {
max_x=rmax_x;
min_x=rmax_x-xx;
}
//if (a2>rmax_x) a2=rmax_x;
m_graphview->SetXBounds(min_x,max_x,m_group,false);
doredraw=true;
//nolayer=true;
} else {
qint64 qq=rmax_x-rmin_x;
xx=max_x-min_x;
if (xx==qq) xx=1800000;
w-=m_marginleft+left;
xmult=qq/double(w);
qint64 j1=(xmult*x);
min_x=rmin_x+j1-(xx/2);
max_x=min_x+xx;
if (min_x<rmin_x) {
min_x=rmin_x;
max_x=rmin_x+xx;
}
if (max_x>rmax_x) {
max_x=rmax_x;
min_x=rmax_x-xx;
}
m_graphview->SetXBounds(min_x,max_x,m_group,false);
doredraw=true;
//nolayer=true;
}
}
}
//if (!nolayer) { // no mouse button
for (int i=0;i<m_layers.size();i++) {
if (m_layers[i]->mouseMoveEvent(event)) doredraw=true;
}
if (doredraw)
m_graphview->updateGL();
//}
//if (x>left+m_marginleft && x<m_lastbounds.width()-(right+m_marginright) && y>top+m_margintop && y<m_lastbounds.height()-(bottom+m_marginbottom)) { // main area
// x-=left+m_marginleft;
// y-=top+m_margintop;
// //qDebug() << m_title << "Moved" << x << y << left << right << top << bottom << m_width << m_height;
// }
}
void gGraph::mousePressEvent(QMouseEvent * event)
{
for (int i=0;i<m_layers.size();i++)
if (m_layers[i]->mousePressEvent(event)) return ;
/*int y=event->pos().y();
int x=event->pos().x();
int w=m_lastbounds.width()-(right+m_marginright);
//int h=m_lastbounds.height()-(bottom+m_marginbottom);
//int x2,y2;
double xx=max_x-min_x;
//double xmult=xx/w;
if (x>left+m_marginleft && x<m_lastbounds.width()-(right+m_marginright) && y>top+m_margintop && y<m_lastbounds.height()-(bottom+m_marginbottom)) { // main area
x-=left+m_marginleft;
y-=top+m_margintop;
}*/
//qDebug() << m_title << "Clicked" << x << y << left << right << top << bottom << m_width << m_height;
}
void gGraph::mouseReleaseEvent(QMouseEvent * event)
{
for (int i=0;i<m_layers.size();i++)
if (m_layers[i]->mouseReleaseEvent(event))
return;
int y=event->pos().y();
int x=event->pos().x();
int w=m_lastbounds.width()-left-right; //(m_marginleft+left+right+m_marginright);
int h=m_lastbounds.height()-(bottom); //+m_marginbottom);
int x2=m_graphview->pointClicked().x(),y2=m_graphview->pointClicked().y();
//qDebug() << m_title << "Released" << min_x << max_x << x << y << x2 << y2 << left << right << top << bottom << m_width << m_height;
if (m_selecting_area) {
m_selecting_area=false;
m_selection.setWidth(0);
if (m_graphview->horizTravel()>mouse_movement_threshold) {
x-=left;//+m_marginleft;
y-=top;//+m_margintop;
x2-=left;//+m_marginleft;
y2-=top;//+m_margintop;
if (x<0) x=0;
if (x2<0) x2=0;
if (x>w) x=w;
if (x2>w) x2=w;
double xx;
double xmult;
if (!m_blockzoom) {
xx=max_x-min_x;
xmult=xx/double(w);
qint64 j1=min_x+xmult*x;
qint64 j2=min_x+xmult*x2;
qint64 a1=MIN(j1,j2)
qint64 a2=MAX(j1,j2)
//if (a1<rmin_x) a1=rmin_x;
if (a2>rmax_x) a2=rmax_x;
if (a1<=rmin_x && a2<=rmin_x) {
//qDebug() << "Foo??";
} else {
if (a2-a1<zoom_hard_limit) a2=a1+zoom_hard_limit;
m_graphview->SetXBounds(a1,a2,m_group);
}
} else {
xx=rmax_x-rmin_x;
xmult=xx/double(w);
qint64 j1=rmin_x+xmult*x;
qint64 j2=rmin_x+xmult*x2;
qint64 a1=MIN(j1,j2)
qint64 a2=MAX(j1,j2)
//if (a1<rmin_x) a1=rmin_x;
if (a2>rmax_x) a2=rmax_x;
if (a1<=rmin_x && a2<=rmin_x) {
qDebug() << "Foo2??";
} else {
if (a2-a1<zoom_hard_limit) a2=a1+zoom_hard_limit;
m_graphview->SetXBounds(a1,a2,m_group);
}
}
return;
} else m_graphview->updateGL();
}
if ((m_graphview->horizTravel()<mouse_movement_threshold) && (x>left && x<w+left && y>top && y<h)) {
// normal click in main area
if (!m_blockzoom) {
double zoom;
if (event->button() & Qt::RightButton) {
zoom=1.33;
if (event->modifiers() & Qt::ControlModifier) zoom*=1.5;
ZoomX(zoom,x); // Zoom out
return;
} else if (event->button() & Qt::LeftButton) {
zoom=0.75;
if (event->modifiers() & Qt::ControlModifier) zoom/=1.5;
ZoomX(zoom,x); // zoom in.
return;
}
} else {
x-=left;
y-=top;
//w-=m_marginleft+left;
double qq=rmax_x-rmin_x;
double xmult;
double xx=max_x-min_x;
//if (xx==qq) xx=1800000;
xmult=qq/double(w);
if ((xx==qq) || (x==m_lastx23)) {
double zoom;
if (event->button() & Qt::RightButton) {
zoom=1.33;
if (event->modifiers() & Qt::ControlModifier) zoom*=1.5;
} else if (event->button() & Qt::LeftButton) {
zoom=0.75;
if (event->modifiers() & Qt::ControlModifier) zoom/=1.5;
}
xx*=zoom;
if (xx<qq/zoom_hard_limit) xx=qq/zoom_hard_limit;
if (xx>qq) xx=qq;
}
double j1=xmult*x;
min_x=rmin_x+j1-(xx/2.0);
max_x=min_x+xx;
if (min_x<rmin_x) {
min_x=rmin_x;
max_x=rmin_x+xx;
} else
if (max_x>rmax_x) {
max_x=rmax_x;
min_x=rmax_x-xx;
}
m_graphview->SetXBounds(min_x,max_x,m_group);
m_lastx23=x;
}
}
//m_graphview->updateGL();
}
void gGraph::wheelEvent(QWheelEvent * event)
{
//qDebug() << m_title << "Wheel" << event->x() << event->y() << event->delta();
//int y=event->pos().y();
int x=event->pos().x()-m_graphview->titleWidth;//(left+m_marginleft);
if (event->delta()>0) {
ZoomX(0.75,x);
} else {
ZoomX(1.5,x);
}
}
void gGraph::mouseDoubleClickEvent(QMouseEvent * event)
{
//mousePressEvent(event);
//mouseReleaseEvent(event);
int y=event->pos().y();
int x=event->pos().x();
int w=m_lastbounds.width()-(m_marginleft+left+right+m_marginright);
int h=m_lastbounds.height()-(bottom+m_marginbottom);
//int x2=m_graphview->pointClicked().x(),y2=m_graphview->pointClicked().y();
if ((m_graphview->horizTravel()<mouse_movement_threshold) && (x>left+m_marginleft && x<w+m_marginleft+left && y>top+m_margintop && y<h)) { // normal click in main area
if (event->button() & Qt::RightButton) {
ZoomX(1.66,x); // Zoon out
return;
} else if (event->button() & Qt::LeftButton) {
ZoomX(0.75/2.0,x); // zoom in.
return;
}
}
//mousePressEvent(event);
//mouseReleaseEvent(event);
//qDebug() << m_title << "Double Clicked" << event->x() << event->y();
}
void gGraph::keyPressEvent(QKeyEvent * event)
{
for (QVector<Layer *>::iterator i=m_layers.begin();i!=m_layers.end();i++) {
(*i)->keyPressEvent(event);
}
//qDebug() << m_title << "Key Pressed.. implement me" << event->key();
}
void gGraph::ZoomX(double mult,int origin_px)
{
int width=m_lastbounds.width()-left-right; //(m_marginleft+left+right+m_marginright);
if (origin_px==0) origin_px=(width/2); else origin_px-=left;
if (origin_px<0) origin_px=0;
if (origin_px>width) origin_px=width;
// Okay, I want it to zoom in centered on the mouse click area..
// Find X graph position of mouse click
// find current zoom width
// apply zoom
// center on point found in step 1.
qint64 min=min_x;
qint64 max=max_x;
double hardspan=rmax_x-rmin_x;
double span=max-min;
double ww=double(origin_px) / double(width);
double origin=ww * span;
//double center=0.5*span;
//double dist=(origin-center);
double q=span*mult;
if (q>hardspan) q=hardspan;
if (q<hardspan/zoom_hard_limit) q=hardspan/zoom_hard_limit;
min=min+origin-(q*ww);
max=min+q;
if (min<rmin_x) {
min=rmin_x;
max=min+q;
}
if (max>rmax_x) {
max=rmax_x;
min=max-q;
}
m_graphview->SetXBounds(min,max,m_group);
//updateSelectionTime(max-min);
}
void gGraph::DrawTextQue()
{
m_graphview->DrawTextQue();
}
// margin recalcs..
void gGraph::resize(int width, int height)
{
width=width;
height=height;
//m_height=height;
//m_width=width;
}
qint64 gGraph::MinX()
{
qint64 val=0,tmp;
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
if ((*l)->isEmpty()) continue;
tmp=(*l)->Minx();
if (!tmp) continue;
if (!val || tmp < val) val = tmp;
}
if (val) rmin_x=val;
return val;
}
qint64 gGraph::MaxX()
{
//bool first=true;
qint64 val=0,tmp;
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
if ((*l)->isEmpty()) continue;
tmp=(*l)->Maxx();
//if (!tmp) continue;
if (!val || tmp > val) val = tmp;
}
if (val) rmax_x=val;
return val;
}
EventDataType gGraph::MinY()
{
bool first=true;
EventDataType val=0,tmp;
if (m_enforceMinY) return rmin_y=f_miny;
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
if ((*l)->isEmpty()) continue;
tmp=(*l)->Miny();
if (tmp==0 && tmp==(*l)->Maxy())
continue;
if (first) {
val=tmp;
first=false;
} else {
if (tmp < val) val = tmp;
}
}
return rmin_y=val;
}
EventDataType gGraph::MaxY()
{
bool first=true;
EventDataType val=0,tmp;
if (m_enforceMaxY) return rmax_y=f_maxy;
for (QVector<Layer *>::iterator l=m_layers.begin();l!=m_layers.end();l++) {
if ((*l)->isEmpty()) continue;
tmp=(*l)->Maxy();
if (tmp==0 && tmp==(*l)->Miny()) continue;
if (first) {
val=tmp;
first=false;
} else {
if (tmp > val) val = tmp;
}
}
return rmax_y=val;
}
void gGraph::SetMinX(qint64 v)
{
rmin_x=min_x=v;
}
void gGraph::SetMaxX(qint64 v)
{
rmax_x=max_x=v;
}
void gGraph::SetMinY(EventDataType v)
{
rmin_y=min_y=v;
}
void gGraph::SetMaxY(EventDataType v)
{
rmax_y=max_y=v;
}
GLShortBuffer * gGraph::lines()
{
return m_graphview->lines;
}
GLShortBuffer * gGraph::backlines()
{
return m_graphview->backlines;
}
GLShortBuffer * gGraph::quads()
{
return m_graphview->quads;
}
GLShortBuffer * gGraph::stippled()
{
return m_graphview->stippled;
}
short gGraph::marginLeft() { return m_marginleft; }//*m_graphview->printScaleX(); }
short gGraph::marginRight() { return m_marginright; } //*m_graphview->printScaleX(); }
short gGraph::marginTop() { return m_margintop; } //*m_graphview->printScaleY(); }
short gGraph::marginBottom() { return m_marginbottom; } //*m_graphview->printScaleY(); }
QPixmap gGraph::renderPixmap(int w, int h, float scale)
{
gGraphView *sg=mainwin->snapshotGraph();
if (!sg) return QPixmap();
QFont * _defaultfont=defaultfont;
QFont * _mediumfont=mediumfont;
QFont * _bigfont=bigfont;
QFont fa=*defaultfont;
QFont fb=*mediumfont;
QFont fc=*bigfont;
sg->setPrintScaleX(3);
sg->setPrintScaleY(3);
fa.setPixelSize(30);
fb.setPointSize(35);
fc.setPointSize(80);
defaultfont=&fa;
mediumfont=&fb;
bigfont=&fc;
sg->hideSplitter();
gGraphView *tgv=m_graphview;
m_graphview=sg;
sg->setMinimumSize(w,h);
sg->setMaximumSize(w,h);
sg->setFixedSize(w,h);
float tmp=m_height;
m_height=h; //PROFILE["GraphHeight"].toInt();//*sg->printScaleY();
sg->trashGraphs();
sg->addGraph(this);
//sg->updateScale();
sg->setScaleY(1.0);
QPixmap pm=sg->renderPixmap(w,h,false);
sg->trashGraphs();
m_graphview=tgv;
m_height=tmp;
defaultfont=_defaultfont;
mediumfont=_mediumfont;
bigfont=_bigfont;
return pm;
}
// Sets a new Min & Max X clipping, refreshing the graph and all it's layers.
void gGraph::SetXBounds(qint64 minx, qint64 maxx)
{
min_x=minx;
max_x=maxx;
//repaint();
//m_graphview->updateGL();
}
int gGraph::flipY(int y)
{
return m_graphview->height()-y;
}
void gGraph::ResetBounds()
{
min_x=MinX();
max_x=MaxX();
min_y=MinY();
max_y=MaxY();
}
void gGraph::ToolTip(QString text, int x, int y, int timeout)
{
m_graphview->m_tooltip->display(text,x,y,timeout);
}
void gGraph::roundY(EventDataType &miny, EventDataType &maxy)
{
int m,t;
bool ymin_good=false,ymax_good=false;
if (rec_miny!=rec_maxy) {
if (miny>rec_miny) miny=rec_miny;
if (maxy<rec_maxy) maxy=rec_maxy;
if (miny==rec_miny) ymin_good=true;
if (maxy==rec_maxy) ymax_good=true;
}
if (maxy==miny) {
m=ceil(maxy/2.0);
t=m*2;
if (maxy==t) t+=2;
if (!ymax_good) maxy=t;
m=floor(miny/2.0);
t=m*2;
if (miny==t) t-=2;
if (miny>=0 && t<0) t=0;
if (!ymin_good) miny=t;
return;
}
if (maxy>=400) {
m=ceil(maxy/50.0);
t=m*50;
if (!ymax_good) maxy=t;
m=floor(miny/50.0);
if (!ymin_good) miny=m*50;
} else if (maxy>=5) {
m=ceil(maxy/5.0);
t=m*5;
if (!ymax_good) maxy=t;
m=floor(miny/5.0);
if (!ymin_good) miny=m*5;
} else {
if (maxy==miny && maxy==0) {
maxy=0.5;
} else {
//maxy*=4.0;
//miny*=4.0;
if (!ymax_good) maxy=ceil(maxy);
if (!ymin_good) miny=floor(miny);
//maxy/=4.0;
//miny/=4.0;
}
}
//if (m_enforceMinY) { miny=f_miny; }
//if (m_enforceMaxY) { maxy=f_maxy; }
}
gGraphView::gGraphView(QWidget *parent, gGraphView * shared) :
QGLWidget(parent,shared),
m_offsetY(0),m_offsetX(0),m_scaleY(1.0),m_scrollbar(NULL)
{
m_shared=shared;
m_sizer_index=m_graph_index=0;
m_textque_items=0;
m_button_down=m_graph_dragging=m_sizer_dragging=false;
m_lastypos=m_lastxpos=0;
m_horiz_travel=0;
this->setMouseTracking(true);
m_emptytext=QObject::tr("No Data");
InitGraphs();
#ifdef ENABLE_THREADED_DRAWING
m_idealthreads=QThread::idealThreadCount();
if (m_idealthreads<=0) m_idealthreads=1;
masterlock=new QSemaphore(m_idealthreads);
#endif
m_tooltip=new gToolTip(this);
/*for (int i=0;i<m_idealthreads;i++) {
gThread * gt=new gThread(this);
m_threads.push_back(gt);
//gt->start();
}*/
lines=new GLShortBuffer(100000,GL_LINES); // big fat shared line list
backlines=new GLShortBuffer(10000,GL_LINES); // big fat shared line list
quads=new GLShortBuffer(1024,GL_QUADS); // big fat shared line list
quads->forceAntiAlias(true);
stippled=new GLShortBuffer(20000,GL_LINES,true);
stippled->setSize(1);
stippled->forceAntiAlias(false);
setFocusPolicy(Qt::StrongFocus);
m_showsplitter=true;
timer=new QTimer(this);
connect(timer,SIGNAL(timeout()),SLOT(refreshTimeout()));
print_scaleY=print_scaleX=1.0;
}
gGraphView::~gGraphView()
{
#ifdef ENABLE_THREADED_DRAWING
for (int i=0;i<m_threads.size();i++) {
delete m_threads[i];
}
delete masterlock;
#endif
for (int i=0;i<m_graphs.size();i++) {
delete m_graphs[i];
}
delete m_tooltip;
m_graphs.clear();
delete stippled;
delete lines;
delete backlines;
delete quads;
if (m_scrollbar) {
this->disconnect(SIGNAL(sliderMoved(int)),this);
}
disconnect(timer,0,0,0);
timer->stop();
delete timer;
}
void gGraphView::DrawTextQue()
{
glPushAttrib(GL_COLOR_BUFFER_BIT);
int w,h;
QPainter painter;
#ifndef USE_RENDERTEXT
painter.begin(this);
#endif
for (int i=0;i<m_textque_items;i++) {
// GL Font drawing is ass in Qt.. :(
TextQue & q=m_textque[i];
#ifndef USE_RENDERTEXT
QBrush b(q.color);
painter.setBrush(b);
painter.setFont(*q.font);
#endif
if (q.angle==0) {
qglColor(q.color);
// *********************************************************
// Holy crap this is slow
// The following line is responsible for 77% of drawing time
// *********************************************************
#ifdef USE_RENDERTEXT
renderText(q.x,q.y,q.text,*q.font);
#else
painter.drawText(q.x, q.y, q.text);
#endif
} else {
#ifdef USE_RENDERTEXT
painter.begin(this);
QBrush b(q.color);
painter.setBrush(b);
painter.setFont(*q.font);
#endif
w=painter.fontMetrics().width(q.text);
h=painter.fontMetrics().xHeight()+2;
painter.translate(q.x, q.y);
painter.rotate(-q.angle);
painter.drawText(floor(-w/2.0), floor(-h/2.0), q.text);
painter.rotate(+q.angle);
painter.translate(-q.x, -q.y);
#ifdef USE_RENDERTEXT
painter.end();
#endif
}
q.text.clear();
//q.text.squeeze();
}
#ifndef USE_RENDERTEXT
painter.end();
#endif
glPopAttrib();
//qDebug() << "rendered" << m_textque_items << "text items";
m_textque_items=0;
}
void gGraphView::AddTextQue(QString & text, short x, short y, float angle, QColor color, QFont * font)
{
#ifdef ENABLED_THREADED_DRAWING
text_mutex.lock();
#endif
if (m_textque_items>=textque_max) {
DrawTextQue();
}
TextQue & q=m_textque[m_textque_items++];
#ifdef ENABLED_THREADED_DRAWING
text_mutex.unlock();
#endif
q.text=text;
q.x=x;
q.y=y;
q.angle=angle;
q.color=color;
q.font=font;
}
void gGraphView::addGraph(gGraph *g,short group)
{
if (!g) {
qDebug() << "Attempted to add an empty graph!";
return;
}
if (!m_graphs.contains(g)) {
g->setGroup(group);
m_graphs.push_back(g);
if (!m_graphsbytitle.contains(g->title())) {
m_graphsbytitle[g->title()]=g;
} else {
qDebug() << "Can't have to graphs with the same title in one GraphView!!";
}
// updateScrollBar();
}
}
float gGraphView::totalHeight()
{
float th=0;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
th += m_graphs[i]->height() + graphSpacer;
}
return ceil(th);
}
float gGraphView::findTop(gGraph * graph)
{
float th=-m_offsetY;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]==graph) break;
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
th += m_graphs[i]->height()*m_scaleY + graphSpacer;
}
//th-=m_offsetY;
return ceil(th);
}
float gGraphView::scaleHeight()
{
float th=0;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
th += m_graphs[i]->height() * m_scaleY + graphSpacer;
}
return ceil(th);
}
void gGraphView::resizeEvent(QResizeEvent *e)
{
QGLWidget::resizeEvent(e); // This ques a redraw event..
updateScale();
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->resize(e->size().width(),m_graphs[i]->height()*m_scaleY);
}
}
void gGraphView::scrollbarValueChanged(int val)
{
//qDebug() << "Scrollbar Changed" << val;
if (m_offsetY!=val) {
m_offsetY=val;
updateGL(); // do this on a timer?
}
}
void gGraphView::ResetBounds(bool refresh) //short group)
{
Q_UNUSED(refresh)
qint64 m1=0,m2=0;
gGraph *g=NULL;
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->ResetBounds();
if (!m_graphs[i]->min_x) continue;
g=m_graphs[i];
if (!m1 || m_graphs[i]->min_x<m1) m1=m_graphs[i]->min_x;
if (!m2 || m_graphs[i]->max_x>m2) m2=m_graphs[i]->max_x;
}
if (PROFILE["LinkGroups"].toBool()) {
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->SetMinX(m1);
m_graphs[i]->SetMaxX(m2);
}
}
if (!g) g=m_graphs[0];
m_minx=g->min_x;
m_maxx=g->max_x;
qint64 xx=g->max_x - g->min_x;
double d=xx/86400000L;
int h=xx/3600000L;
int m=(xx/60000) % 60;
int s=(xx/1000) % 60;
int ms(xx % 1000);
QString str;
if (d>1) {
str.sprintf("%1.0f days",ceil(double(xx)/86400000.0));
} else {
str.sprintf("%02i:%02i:%02i:%03i",h,m,s,ms);
}
if (qstatus2) {
qstatus2->setText(str);
}
updateScale();
}
void gGraphView::GetXBounds(qint64 & st,qint64 & et)
{
st=m_minx;
et=m_maxx;
}
void gGraphView::SetXBounds(qint64 minx, qint64 maxx,short group,bool refresh)
{
for (int i=0;i<m_graphs.size();i++) {
if (PROFILE["LinkGroups"].toBool()|| (m_graphs[i]->group()==group)) {
m_graphs[i]->SetXBounds(minx,maxx);
}
}
m_minx=minx;
m_maxx=maxx;
qint64 xx=maxx-minx;
double d=xx/86400000L;
int h=xx/3600000L;
int m=(xx/60000) % 60;
int s=(xx/1000) % 60;
int ms(xx % 1000);
QString str;
if (d>1) {
str.sprintf("%1.0f days",ceil(xx/86400000.0));
} else {
str.sprintf("%02i:%02i:%02i:%03i",h,m,s,ms);
}
if (qstatus2) {
qstatus2->setText(str);
}
if (refresh) updateGL();
}
void gGraphView::updateScale()
{
float th=totalHeight(); // height of all graphs
float h=height(); // height of main widget
if (th < h) {
m_scaleY=h / th; // less graphs than fits on screen, so scale to fit
} else {
m_scaleY=1.0;
}
updateScrollBar();
}
void gGraphView::updateScrollBar()
{
if (!m_scrollbar) return;
if (!m_graphs.size()) return;
float th=scaleHeight(); // height of all graphs
float h=height(); // height of main widget
float vis=0;
for (int i=0;i<m_graphs.size();i++) vis+=m_graphs[i]->isEmpty() || (!m_graphs[i]->visible()) ? 0 : 1;
//vis+=1;
if (th<h) { // less graphs than fits on screen
m_scrollbar->setMaximum(0); // turn scrollbar off.
} else { // more graphs than fit on screen
//m_scaleY=1.0;
float avgheight=th/vis;
m_scrollbar->setPageStep(avgheight);
m_scrollbar->setSingleStep(avgheight/8.0);
m_scrollbar->setMaximum(th-height());
if (m_offsetY>th-height()) {
m_offsetY=th-height();
}
}
}
void gGraphView::setScrollBar(MyScrollBar *sb)
{
m_scrollbar=sb;
m_scrollbar->setMinimum(0);
updateScrollBar();
this->connect(m_scrollbar,SIGNAL(valueChanged(int)),SLOT(scrollbarValueChanged(int)));
}
void gGraphView::initializeGL()
{
setAutoFillBackground(false);
setAutoBufferSwap(false);
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
}
void gGraphView::resizeGL(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, h, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void gGraphView::paintGL()
{
if (width()<=0) return;
if (height()<=0) return;
QTime time;
time.start();
glClearColor(255,255,255,255);
//glClearDepth(1);
glClear(GL_COLOR_BUFFER_BIT);// | GL_DEPTH_BUFFER_BIT);
/*glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glColor4f(1.0,1.0,1.0,1.0); // Gradient start
glVertex2f(0, height());
glVertex2f(0, 0);
//glColor4f(0.9,0.9,0.9,1.0); // Gradient End
glVertex2f(width(), 0);
glVertex2f(width(), height());
glEnd();
glDisable(GL_BLEND); */
float px=titleWidth-m_offsetX;
float py=-m_offsetY;
int numgraphs=0;
float h,w;
//ax=px;//-m_offsetX;
//bool threaded;
// Tempory hack using this pref..
//#ifdef ENABLED_THREADED_DRAWING
/*if ((*profile)["EnableMultithreading"].toBool()) { // && (m_idealthreads>1)) {
threaded=true;
for (int i=0;i<m_idealthreads;i++) {
if (!m_threads[i]->isRunning())
m_threads[i]->start();
}
} else threaded=false; */
//#endif
//threaded=false;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty()) continue;
if (!m_graphs[i]->visible()) continue;
numgraphs++;
h=m_graphs[i]->height() * m_scaleY;
// set clipping?
if (py > height())
break; // we are done.. can't draw anymore
if ((py + h + graphSpacer) >= 0) {
w=width();
queGraph(m_graphs[i],px,py,width()-titleWidth,h);
if (m_showsplitter) {
// draw the splitter handle
QColor ca=QColor(128,128,128,255);
backlines->add(0, py+h, w, py+h, ca);
ca=QColor(192,192,192,255);
backlines->add(0, py+h+1, w, py+h+1, ca);
ca=QColor(90,90,90,255);
backlines->add(0, py+h+2, w, py+h+2, ca);
}
}
py=ceil(py+h+graphSpacer);
}
//int thr=m_idealthreads;
#ifdef ENABLED_THREADED_DRAWING
for (int i=0;i<m_idealthreads;i++) {
masterlock->acquire(1);
m_threads[i]->mutex.unlock();
}
// wait till all the threads are done
// ask for all the CPU's back..
masterlock->acquire(m_idealthreads);
masterlock->release(m_idealthreads);
} else { // just do it here
#endif
int s=m_drawlist.size();
for (int i=0;i<s;i++) {
gGraph *g=m_drawlist.at(0);
m_drawlist.pop_front();
g->paint(g->m_lastbounds.x(), g->m_lastbounds.y(), g->m_lastbounds.width(), g->m_lastbounds.height());
}
#ifdef ENABLED_THREADED_DRAWING
}
#endif
//int elapsed=time.elapsed();
QColor col=Qt::black;
if (!numgraphs) {
int x,y;
GetTextExtent(m_emptytext,x,y,bigfont);
AddTextQue(m_emptytext,(width()/2)-x/2,(height()/2)+y/2,0.0,col,bigfont);
}
//((QGLContext*)context())->makeCurrent();
//float linesize=lines->size();
//if (print_scaleY>1) {
// lines->setSize(3);
// }
backlines->draw();
stippled->draw();
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->drawGLBuf();
}
lines->draw();
quads->draw();
// lines->setSize(linesize);
DrawTextQue();
m_tooltip->paint();
if (m_showsplitter && PROFILE["ShowDebug"].toBool()) {
QString ss;
int ela=time.elapsed();
ss="Debug Mode "+QString::number(ela)+"ms ("+QString::number(1000.0/float(ela),'f',1)+"fps)";
int w,h;
GetTextExtent(ss,w,h);
QColor col=Qt::white;
quads->add(width()-m_graphs[0]->marginRight(),0,width()-m_graphs[0]->marginRight(),w,width(),w,width(),0,col);
quads->draw();
AddTextQue(ss,width()+3,w/2,90,col,defaultfont);
DrawTextQue();
}
//glDisable(GL_TEXTURE_2D);
//glDisable(GL_DEPTH_TEST);
swapBuffers(); // Dump to screen.
//qDebug() << "Graph Prep,Draw" << el << "," << time.elapsed()-el << "ms x" << thr;
}
// For manual scrolling
void gGraphView::setOffsetY(int offsetY)
{
if (m_offsetY!=offsetY) {
m_offsetY=offsetY;
updateGL(); //issue full redraw..
}
}
// For manual X scrolling (not really needed)
void gGraphView::setOffsetX(int offsetX)
{
if (m_offsetX!=offsetX) {
m_offsetX=offsetX;
updateGL(); //issue redraw
}
}
void gGraphView::mouseMoveEvent(QMouseEvent * event)
{
int x=event->x();
int y=event->y();
if (m_sizer_dragging) { // Resize handle being dragged
float my=y - m_sizer_point.y();
//qDebug() << "Sizer moved vertically" << m_sizer_index << my*m_scaleY;
float h=m_graphs[m_sizer_index]->height();
h+=my / m_scaleY;
if (h > m_graphs[m_sizer_index]->minHeight()) {
m_graphs[m_sizer_index]->setHeight(h);
m_sizer_point.setX(x);
m_sizer_point.setY(y);
updateScrollBar();
updateGL();
}
return;
}
if (m_graph_dragging) { // Title bar being dragged to reorder
gGraph *p;
int yy=m_sizer_point.y();
bool empty;
if (y < yy) {
for (int i=m_graph_index-1;i>=0;i--) {
empty=m_graphs[i]->isEmpty() || (!m_graphs[i]->visible());
// swapping upwards.
int yy2=yy-graphSpacer-m_graphs[i]->height()*m_scaleY;
yy2+=m_graphs[m_graph_index]->height()*m_scaleY;
if (y<yy2) {
//qDebug() << "Graph Reorder" << m_graph_index;
p=m_graphs[m_graph_index];
m_graphs[m_graph_index]=m_graphs[i];
m_graphs[i]=p;
if (!empty) {
m_sizer_point.setY(yy-graphSpacer-m_graphs[m_graph_index]->height()*m_scaleY);
updateGL();
}
m_graph_index--;
}
if (!empty) break;
}
} else if (y > yy+graphSpacer+m_graphs[m_graph_index]->height()*m_scaleY) {
// swapping downwards
//qDebug() << "Graph Reorder" << m_graph_index;
for (int i=m_graph_index+1;i<m_graphs.size();i++) {
empty=m_graphs[i]->isEmpty() || (!m_graphs[i]->visible());
p=m_graphs[m_graph_index];
m_graphs[m_graph_index]=m_graphs[i];
m_graphs[i]=p;
if (!empty) {
m_sizer_point.setY(yy+graphSpacer+m_graphs[m_graph_index]->height()*m_scaleY);
updateGL();
}
m_graph_index++;
if (!empty) break;
}
}
return;
}
float py = -m_offsetY;
float h;
for (int i=0; i < m_graphs.size(); i++) {
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
h=m_graphs[i]->height() * m_scaleY;
if (py > height())
break; // we are done.. can't draw anymore
if (m_button_down || ((py + h + graphSpacer) >= 0)) {
if ((y >= py + h) && (y <= py + h + graphSpacer + 1)) {
this->setCursor(Qt::SplitVCursor);
} else if (m_button_down || ((y >= py) && (y < py + h))) {
if (m_button_down || (x >= titleWidth+10)) { //(gYAxis::Margin-5)
this->setCursor(Qt::ArrowCursor);
m_horiz_travel+=qAbs(x-m_lastxpos)+qAbs(y-m_lastypos);
m_lastxpos=x;
m_lastypos=y;
QPoint p(x-titleWidth,y-py);
QMouseEvent e(event->type(),p,event->button(),event->buttons(),event->modifiers());
m_graphs[i]->mouseMoveEvent(&e);
if (!m_button_down && (x<=titleWidth+(gYAxis::Margin-5))) {
//qDebug() << "Hovering over" << m_graphs[i]->title();
if (m_graphsbytitle["Event Flags"]==m_graphs[i]) {
QVector<Layer *> & layers=m_graphs[i]->layers();
gFlagsGroup *fg;
for (int i=0;i<layers.size();i++) {
if ((fg=dynamic_cast<gFlagsGroup *>(layers[i]))!=NULL) {
float bh=fg->barHeight();
int count=fg->count();
float yp=py+m_graphs[i]->marginTop();
yp=y-yp;
float th=(float(count)*bh);
if (yp>=0 && yp<th) {
int i=yp/bh;
if (i<count) {
ChannelID code=fg->visibleLayers()[i]->code();
QString ttip=schema::channel[code].description();
m_tooltip->display(ttip,x,y-20,800);
updateGL();
//qDebug() << code << ttip;
}
}
break;
}
}
} else {
if (!m_graphs[i]->units().isEmpty()) {
m_tooltip->display(m_graphs[i]->units(),x,y-20,800);
updateGL();
}
}
}
} else {
this->setCursor(Qt::OpenHandCursor);
}
}
}
py+=h;
py+=graphSpacer; // do we want the extra spacer down the bottom?
}
}
void gGraphView::mousePressEvent(QMouseEvent * event)
{
int x=event->x();
int y=event->y();
float py=-m_offsetY;
float h;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
h=m_graphs[i]->height()*m_scaleY;
if (py>height())
break; // we are done.. can't draw anymore
if ((py + h + graphSpacer) >= 0) {
if ((y >= py) && (y < py + h)) {
//qDebug() << "Clicked" << i;
if (x < titleWidth+20) { // clicked on title to drag graph..
m_graph_dragging=true;
m_graph_index=i;
m_sizer_point.setX(x);
m_sizer_point.setY(py); // point at top of graph..
this->setCursor(Qt::ClosedHandCursor);
} else { // send event to graph..
m_global_point_clicked=QPoint(x,y);
m_point_clicked=QPoint (x-titleWidth,y-py);
m_selected_graph=m_graphs[i];
QMouseEvent e(event->type(),m_point_clicked,event->button(),event->buttons(),event->modifiers());
m_graph_index=i;
m_button_down=true;
m_horiz_travel=0;
m_graphs[i]->mousePressEvent(&e);
}
} else if ((y >= py + h) && (y <= py + h + graphSpacer + 1)) {
this->setCursor(Qt::SplitVCursor);
m_sizer_dragging=true;
m_sizer_index=i;
m_sizer_point.setX(x);
m_sizer_point.setY(y);
//qDebug() << "Sizer clicked" << i;
}
}
py+=h;
py+=graphSpacer; // do we want the extra spacer down the bottom?
}
}
void gGraphView::mouseReleaseEvent(QMouseEvent * event)
{
this->setCursor(Qt::ArrowCursor);
if (m_sizer_dragging) {
m_sizer_dragging=false;
return;
}
if (m_graph_dragging) {
m_graph_dragging=false;
return;
}
if (m_button_down) {
m_button_down=false;
int x1=m_global_point_clicked.x()-event->x();
int y1=m_global_point_clicked.y()-event->y();
QPoint p(m_point_clicked.x()-x1,m_point_clicked.y()-y1);
QMouseEvent e(event->type(),p,event->button(),event->buttons(),event->modifiers());
m_graphs[m_graph_index]->mouseReleaseEvent(&e);
}
//int x=event->x();
//int y=event->y();
}
void gGraphView::mouseDoubleClickEvent(QMouseEvent * event)
{
mousePressEvent(event);
return;
/* int x=event->x();
int y=event->y();
float py=-m_offsetY;
float h;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty()) continue;
h=m_graphs[i]->height()*m_scaleY;
if (py>height())
break;
if ((py + h + graphSpacer) >= 0) {
if ((y >= py) && (y <= py + h)) {
if (x < titleWidth) {
// What to do when double clicked on the graph title ??
} else {
// send event to graph..
m_graphs[i]->mouseDoubleClickEvent(event);
}
} else if ((y >= py + h) && (y <= py + h + graphSpacer + 1)) {
// What to do when double clicked on the resize handle?
}
}
py+=h;
py+=graphSpacer; // do we want the extra spacer down the bottom?
} */
}
void gGraphView::wheelEvent(QWheelEvent * event)
{
// Hmm.. I could optionalize this to change mousewheel behaviour without affecting the scrollbar now..
if ((event->modifiers() & Qt::ControlModifier)) {
int x=event->x();
int y=event->y();
float py=-m_offsetY;
float h;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->isEmpty() || (!m_graphs[i]->visible())) continue;
h=m_graphs[i]->height()*m_scaleY;
if (py>height())
break;
if ((py + h + graphSpacer) >= 0) {
if ((y >= py) && (y <= py + h)) {
if (x < titleWidth) {
// What to do when ctrl+wheel is used on the graph title ??
} else {
// send event to graph..
m_graphs[i]->wheelEvent(event);
}
} else if ((y >= py + h) && (y <= py + h + graphSpacer + 1)) {
// What to do when the wheel is used on the resize handle?
}
}
py+=h;
py+=graphSpacer; // do we want the extra spacer down the bottom?
}
} else {
m_scrollbar->SendWheelEvent(event); // Just forwarding the event to scrollbar for now..
m_tooltip->cancel();
}
}
void gGraphView::keyPressEvent(QKeyEvent * event)
{
if (event->key()==Qt::Key_Tab) {
event->ignore();
return;
}
gGraph *g=NULL;
int group=0;
// Pick the first valid graph in the primary group
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->group()==group) {
if (!m_graphs[i]->isEmpty()) {
g=m_graphs[i];
break;
}
}
}
if (!g) {
for (int i=0;i<m_graphs.size();i++) {
if (!m_graphs[i]->isEmpty()) {
g=m_graphs[i];
group=g->group();
break;
}
}
}
if (!g) return;
g->keyPressEvent(event);
if (event->key()==Qt::Key_Left) {
double xx=g->max_x-g->min_x;
double zoom=8.0;
if (event->modifiers() & Qt::ControlModifier) zoom/=4;
g->min_x-=xx/zoom;;
g->max_x=g->min_x+xx;
if (g->min_x<g->rmin_x) {
g->min_x=g->rmin_x;
g->max_x=g->rmin_x+xx;
}
SetXBounds(g->min_x,g->max_x,group);
} else if (event->key()==Qt::Key_Right) {
double xx=g->max_x-g->min_x;
double zoom=8.0;
if (event->modifiers() & Qt::ControlModifier) zoom/=4;
g->min_x+=xx/zoom;
g->max_x=g->min_x+xx;
if (g->max_x>g->rmax_x) {
g->max_x=g->rmax_x;
g->min_x=g->rmax_x-xx;
}
SetXBounds(g->min_x,g->max_x,group);
} else if (event->key()==Qt::Key_Up) {
float zoom=0.75;
if (event->modifiers() & Qt::ControlModifier) zoom/=1.5;
g->ZoomX(zoom,0); // zoom in.
} else if (event->key()==Qt::Key_Down) {
float zoom=1.33;
if (event->modifiers() & Qt::ControlModifier) zoom*=1.5;
g->ZoomX(zoom,0); // Zoom out
}
//qDebug() << "Keypress??";
}
void gGraphView::setDay(Day * day)
{
m_day=day;
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->setDay(day);
}
ResetBounds();
}
bool gGraphView::isEmpty()
{
bool res=true;
for (int i=0;i<m_graphs.size();i++) {
if (!m_graphs[i]->isEmpty()) {
res=false;
break;
}
}
return res;
}
void gGraphView::refreshTimeout()
{
updateGL();
}
void gGraphView::timedRedraw(int ms)
{
if (timer->isActive())
timer->stop();
timer->setSingleShot(true);
timer->start(ms);
}
void gGraphView::resetLayout()
{
int default_height=PROFILE["GraphHeight"].toInt();
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->setHeight(default_height);
}
updateScale();
updateGL();
}
void gGraphView::deselect()
{
for (int i=0;i<m_graphs.size();i++) {
m_graphs[i]->deselect();
}
}
MyScrollBar::MyScrollBar(QWidget * parent)
:QScrollBar(parent)
{
}
void MyScrollBar::SendWheelEvent(QWheelEvent * e)
{
wheelEvent(e);
}
const quint32 gvmagic=0x41756728;
const quint16 gvversion=0;
void gGraphView::SaveSettings(QString title)
{
QString filename=PROFILE.Get("{DataFolder}")+QDir::separator()+title.toLower()+".shg";
QFile f(filename);
f.open(QFile::WriteOnly);
QDataStream out(&f);
out.setVersion(QDataStream::Qt_4_6);
out.setByteOrder(QDataStream::LittleEndian);
out << (quint32)gvmagic;
out << (quint16)gvversion;
out << (qint16)size();
for (qint16 i=0;i<size();i++) {
out << m_graphs[i]->title();
out << m_graphs[i]->height();
out << m_graphs[i]->visible();
out << m_graphs[i]->RecMinY();
out << m_graphs[i]->RecMaxY();
}
f.close();
}
bool gGraphView::LoadSettings(QString title)
{
QString filename=PROFILE.Get("{DataFolder}")+QDir::separator()+title.toLower()+".shg";
QFile f(filename);
if (!f.exists()) return false;
f.open(QFile::ReadOnly);
QDataStream in(&f);
in.setVersion(QDataStream::Qt_4_6);
in.setByteOrder(QDataStream::LittleEndian);
quint32 t1;
quint16 t2;
in >> t1;
if (t1!=gvmagic) {
qDebug() << "gGraphView" << title << "settings magic doesn't match" << t1 << gvmagic;
return false;
}
in >> t2;
if (t2!=gvversion) {
qDebug() << "gGraphView" << title << "version doesn't match";
return false;
}
qint16 siz;
in >> siz;
QString name;
float hght;
bool vis;
EventDataType recminy,recmaxy;
QVector<gGraph *> neworder;
QHash<QString,gGraph *>::iterator gi;
for (int i=0;i<siz;i++) {
in >> name;
in >> hght;
in >> vis;
in >> recminy;
in >> recmaxy;
gi=m_graphsbytitle.find(name);
if (gi==m_graphsbytitle.end()) {
qDebug() << "Graph" << name << "has been renamed or removed";
} else {
gGraph *g=gi.value();
neworder.push_back(g);
g->setHeight(hght);
g->setVisible(vis);
g->setRecMinY(recminy);
g->setRecMaxY(recmaxy);
}
}
if (neworder.size()==m_graphs.size()) {
m_graphs=neworder;
}
f.close();
updateScale();
return true;
}
gGraph *gGraphView::findGraph(QString name)
{
QHash<QString,gGraph*>::iterator i=m_graphsbytitle.find(name);
if (i==m_graphsbytitle.end()) return NULL;
return i.value();
}
int gGraphView::visibleGraphs()
{
int cnt=0;
for (int i=0;i<m_graphs.size();i++) {
if (m_graphs[i]->visible() && !m_graphs[i]->isEmpty()) cnt++;
}
return cnt;
}
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