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kvirc/src/modules/dcc/canvaswidget.cpp

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//
// File : canvaswidget.cpp
// Creation date : Mon Jul 30 07 2001 04:50:50 by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net)
//
// This program is FREE software. You can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your opinion) any later version.
//
// This program is distributed in the HOPE that it will be USEFUL,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, write to the Free Software Foundation,
// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#include "canvaswidget.h"
#ifdef COMPILE_DCC_CANVAS
#include <tqcursor.h>
#include <tqpainter.h>
#include <tqsimplerichtext.h>
#include <tqlineedit.h>
#include <tqcombobox.h>
#include <tqvalidator.h>
#include <stdlib.h>
#include "kvi_string.h"
#include "kvi_locale.h"
#include "kvi_tal_popupmenu.h"
#include <math.h>
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasRectangleItem
//
KviCanvasRectangleItem::KviCanvasRectangleItem(TQCanvas * c,int x,int y,int w,int h)
: TQCanvasRectangle(x,y,w,h,c)
{
}
KviCanvasRectangleItem::~KviCanvasRectangleItem()
{
}
void KviCanvasRectangleItem::drawSelection(TQPainter &p)
{
p.setRasterOp(NotROP);
p.fillRect((int)x() + 1,(int)y() + 1,width() - 2,height() - 2,TQBrush(Dense6Pattern));
p.setPen(TQPen(DotLine));
p.drawRect((int)x(),(int)y(),width(),height());
p.setRasterOp(CopyROP);
}
void KviCanvasRectangleItem::setProperty(const TQString &property,const TQVariant &val)
{
if(m_properties[property].isValid())
{
m_properties.replace(property,val);
hide();
show();
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasPolygon
//
KviCanvasPolygon::KviCanvasPolygon(TQCanvas * c,int x,int y,TQPointArray &pnts,double dScaleFactor)
: TQCanvasPolygon(c)
{
m_properties.insert("clrForeground",TQVariant(TQColor(0,0,0)));
m_properties.insert("uLineWidth",TQVariant((unsigned int)0));
m_properties.insert("clrBackground",TQVariant(TQColor(0,0,0)));
m_properties.insert("bHasBackground",TQVariant(false));
m_dScaleFactor = dScaleFactor;
m_points = pnts;
resetPoints();
move(x,y);
}
KviCanvasPolygon::~KviCanvasPolygon()
{
}
void KviCanvasPolygon::setScaleFactor(double dScaleFactor)
{
m_dScaleFactor = dScaleFactor;
resetPoints();
}
void KviCanvasPolygon::setInternalPoints(const TQPointArray &pnts)
{
m_points = pnts;
resetPoints();
}
void KviCanvasPolygon::resetPoints()
{
TQPointArray scaled(m_points.size());
for(unsigned int i=0;i<m_points.size();i++)
{
int px;
int py;
m_points.point(i,&px,&py);
px = (int)(px * m_dScaleFactor);
py = (int)(py * m_dScaleFactor);
scaled.setPoint(i,px,py);
}
setPoints(scaled);
}
int KviCanvasPolygon::rtti() const
{
return KVI_CANVAS_RTTI_POLYGON;
}
void KviCanvasPolygon::setProperty(const TQString &property,const TQVariant &val)
{
if(m_properties[property].isValid())
{
m_properties.replace(property,val);
if((property == "clrForeground") || (property == "uLineWidth"))
{
setPen(TQPen(m_properties["clrForeground"].asColor(),m_properties["uLineWidth"].toInt()));
} else if((property == "clrBackground") || (property == "bHasBackground"))
{
if(m_properties["bHasBackground"].asBool())
setBrush(TQBrush(m_properties["clrBackground"].asColor()));
else
setBrush(TQBrush());
} else {
hide(); show();
}
}
}
void KviCanvasPolygon::draw(TQPainter &p)
{
if(isEnabled())
{
p.setBrush(brush());
p.setPen(pen());
p.drawPolygon(areaPoints());
}
if(isSelected())
{
p.setRasterOp(NotROP);
p.setPen(TQPen(DotLine));
p.drawPolygon(areaPoints());
p.setBrush(TQBrush());
double dVal = 10;
p.drawEllipse((int)(x() - dVal),(int)(y() - dVal),(int)(dVal * 2),(int)(dVal * 2));
p.drawLine((int)(x() - (dVal * 2)),(int)y(),(int)(x() + (dVal * 2)),(int)y());
p.drawLine((int)x(),(int)(y() - (dVal * 2)),(int)x(),(int)(y() + (dVal * 2)));
p.setRasterOp(CopyROP);
canvas()->setChanged(TQRect((int)(x() - dVal),(int)(y() - dVal),(int)(dVal * 4),(int)(dVal * 4)));
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasEllipticItem
//
KviCanvasEllipticItem::KviCanvasEllipticItem(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasRectangleItem(c,x,y,w,h)
{
m_properties.insert("clrForeground",TQVariant(TQColor(0,0,0)));
m_properties.insert("uLineWidth",TQVariant((unsigned int)0));
m_properties.insert("clrBackground",TQVariant(TQColor(0,0,0)));
m_properties.insert("bHasBackground",TQVariant(false));
// m_properties.insert("iStartAngle",TQVariant(0));
// m_properties.insert("iEndAngle",TQVariant(360));
}
KviCanvasEllipticItem::~KviCanvasEllipticItem()
{
}
void KviCanvasEllipticItem::draw(TQPainter &p)
{
if(isEnabled())
{
TQBrush b = p.brush();
if(m_properties["bHasBackground"].asBool())p.setBrush(m_properties["clrBackground"].asColor());
else p.setBrush(TQBrush());
p.setPen(pen());
drawContent(p);
p.setBrush(b);
}
if(isSelected())drawSelection(p);
}
void KviCanvasEllipticItem::drawContent(TQPainter &p)
{
}
void KviCanvasEllipticItem::setProperty(const TQString & property,const TQVariant &val)
{
if(m_properties[property].isValid())
{
m_properties.replace(property,val);
if((property == "clrForeground") || (property == "uLineWidth"))
{
setPen(TQPen(m_properties["clrForeground"].asColor(),m_properties["uLineWidth"].toInt()));
} else {
hide(); show();
}
}
}
int KviCanvasEllipticItem::rtti() const
{
return KVI_CANVAS_RTTI_ELLIPSE;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasEllipse
//
KviCanvasEllipse::KviCanvasEllipse(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasEllipticItem(c,x,y,w,h)
{
}
KviCanvasEllipse::~KviCanvasEllipse()
{
}
int KviCanvasEllipse::rtti() const
{
return KVI_CANVAS_RTTI_ELLIPSE;
}
void KviCanvasEllipse::drawContent(TQPainter &p)
{
p.drawEllipse((int)x(),(int)y(),width(),height());
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasPie
//
KviCanvasPie::KviCanvasPie(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasEllipticItem(c,x,y,w,h)
{
m_properties.insert("iStartAngle",TQVariant((int)0));
m_properties.insert("iExtensionAngle",TQVariant((int)360));
}
KviCanvasPie::~KviCanvasPie()
{
}
int KviCanvasPie::rtti() const
{
return KVI_CANVAS_RTTI_PIE;
}
void KviCanvasPie::drawContent(TQPainter &p)
{
int iStartAngle = m_properties["iStartAngle"].asInt() * 16;
int iEndAngle = m_properties["iExtensionAngle"].asInt() * 16;
p.drawPie((int)x(),(int)y(),width(),height(),iStartAngle,iEndAngle);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasChord
//
KviCanvasChord::KviCanvasChord(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasEllipticItem(c,x,y,w,h)
{
m_properties.insert("iStartAngle",TQVariant((int)0));
m_properties.insert("iExtensionAngle",TQVariant((int)360));
}
KviCanvasChord::~KviCanvasChord()
{
}
int KviCanvasChord::rtti() const
{
return KVI_CANVAS_RTTI_CHORD;
}
void KviCanvasChord::drawContent(TQPainter &p)
{
int iStartAngle = m_properties["iStartAngle"].asInt() * 16;
int iEndAngle = m_properties["iExtensionAngle"].asInt() * 16;
p.drawChord((int)x(),(int)y(),width(),height(),iStartAngle,iEndAngle);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasRectangle
//
KviCanvasRectangle::KviCanvasRectangle(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasRectangleItem(c,x,y,w,h)
{
m_properties.insert("clrForeground",TQVariant(TQColor(0,0,0)));
m_properties.insert("uLineWidth",TQVariant((unsigned int)0));
m_properties.insert("clrBackground",TQVariant(TQColor(0,0,0)));
m_properties.insert("bHasBackground",TQVariant(false));
}
KviCanvasRectangle::~KviCanvasRectangle()
{
}
int KviCanvasRectangle::rtti() const
{
return KVI_CANVAS_RTTI_RECTANGLE;
}
void KviCanvasRectangle::setProperty(const TQString &property,const TQVariant &val)
{
if(m_properties[property].isValid())
{
m_properties.replace(property,val);
if((property == "clrForeground") || (property == "uLineWidth"))
{
setPen(TQPen(m_properties["clrForeground"].asColor(),m_properties["uLineWidth"].toInt()));
} else {
hide(); show();
}
}
}
void KviCanvasRectangle::draw(TQPainter & p)
{
if(isEnabled())
{
if(m_properties["bHasBackground"].asBool())
{
p.fillRect((int)x() + 1,(int)y() + 1,width() - 2,height() - 2,m_properties["clrBackground"].asColor());
}
p.setPen(pen());
p.drawRect((int)x(),(int)y(),width(),height());
}
if(isSelected())drawSelection(p);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasRichText
//
KviCanvasRichText::KviCanvasRichText(TQCanvas * c,int x,int y,int w,int h)
: KviCanvasRectangleItem(c,x,y,w,h)
{
TQFont f = TQFont();
f.setStyleHint(TQFont::SansSerif);
f.setPointSize(12);
m_properties.insert("szText",TQVariant(TQString("<center>Insert here your <font color=\"#FF0000\"><b>RICH TEXT</b></font></center>")));
m_properties.insert("fntDefault",TQVariant(f));
}
KviCanvasRichText::~KviCanvasRichText()
{
}
int KviCanvasRichText::rtti() const
{
return KVI_CANVAS_RTTI_RICHTEXT;
}
void KviCanvasRichText::draw(TQPainter & p)
{
if(isEnabled())
{
TQString szText = m_properties["szText"].asString();
TQSimpleRichText text(szText,m_properties["fntDefault"].asFont());
text.setWidth(width());
text.draw(&p,(int)x() + 1,(int)y() + 1,TQRegion(TQRect((int)x() + 1,(int)y() + 1,width(),height())),TQColorGroup());
}
if(isSelected())drawSelection(p);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasLine
//
KviCanvasLine::KviCanvasLine(TQCanvas * c,int x1,int y1,int x2,int y2)
: TQCanvasLine(c)
{
setPoints(x1,y1,x2,y2);
m_properties.insert("uLineWidth",TQVariant((unsigned int)0));
m_properties.insert("clrForeground",TQVariant(TQColor()));
}
KviCanvasLine::~KviCanvasLine()
{
}
void KviCanvasLine::setProperty(const TQString &property,const TQVariant &val)
{
m_properties.replace(property,val);
if((property == "uLineWidth") || (property == "clrForeground"))
{
setPen(TQPen(m_properties["clrForeground"].asColor(),m_properties["uLineWidth"].toInt()));
}
}
int KviCanvasLine::rtti() const
{
return KVI_CANVAS_RTTI_LINE;
}
void KviCanvasLine::draw(TQPainter &p)
{
if(isEnabled())
{
p.setPen(pen());
p.drawLine(startPoint(),endPoint());
}
if(isSelected())
{
p.setRasterOp(NotROP);
p.setPen(TQPen(DotLine));
p.drawLine(startPoint(),endPoint());
p.setRasterOp(CopyROP);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasView
//
KviCanvasView::KviCanvasView(TQCanvas * c,KviCanvasWidget * cw,TQWidget * par)
: TQCanvasView(c,par)
{
m_pCanvasWidget = cw;
m_state = Idle;
m_dragMode = None;
m_pSelectedItem = 0;
viewport()->setMouseTracking(true);
}
KviCanvasView::~KviCanvasView()
{
}
void KviCanvasView::insertRectangle()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = Rectangle;
}
void KviCanvasView::insertRichText()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = RichText;
}
void KviCanvasView::insertLine()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = Line;
}
void KviCanvasView::insertEllipse()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = Ellipse;
}
void KviCanvasView::insertPie()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = Pie;
}
void KviCanvasView::insertChord()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = Chord;
}
void KviCanvasView::insertPolygonTriangle()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = PolygonTriangle;
}
void KviCanvasView::insertPolygonRectangle()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = PolygonRectangle;
}
void KviCanvasView::insertPolygonPentagon()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = PolygonPentagon;
}
void KviCanvasView::insertPolygonHexagon()
{
m_state = SelectOrigin;
setCursor(crossCursor);
m_objectToInsert = PolygonPentagon;
}
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
static void calcPolygonPoints(TQPointArray &pnts,unsigned int nVertices)
{
double dDelta = (2 * M_PI) / nVertices;
for(unsigned int i=0;i<nVertices;i++)
{
double dAng = dDelta * i;
double theX = 300 * sin(dAng);
double theY = 300 * cos(dAng);
pnts.setPoint(i,(int)theX,(int)theY);
}
}
void KviCanvasView::insertObjectAt(const TQPoint & pnt,ObjectType o)
{
TQCanvasItem * r = 0;
switch(o)
{
case Rectangle:
r = new KviCanvasRectangle(canvas(),pnt.x(),pnt.y(),0,0);
break;
case RichText:
r = new KviCanvasRichText(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Line:
r = new KviCanvasLine(canvas(),pnt.x(),pnt.y(),pnt.x(),pnt.y());
break;
case Ellipse:
r = new KviCanvasEllipse(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Pie:
r = new KviCanvasPie(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Chord:
r = new KviCanvasChord(canvas(),pnt.x(),pnt.y(),0,0);
break;
case PolygonTriangle:
{
TQPointArray pa(3);
pa.setPoint(0,0,-500);
pa.setPoint(1,-450,220);
pa.setPoint(2,450,220);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonRectangle:
{
TQPointArray pa(4);
pa.setPoint(0,-350,-350);
pa.setPoint(1,350,-350);
pa.setPoint(2,350,350);
pa.setPoint(3,-350,350);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonPentagon:
{
TQPointArray pa(5);
calcPolygonPoints(pa,5);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonHexagon:
{
TQPointArray pa(6);
calcPolygonPoints(pa,6);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
}
if(r)
{
setItemSelected(r);
r->setEnabled(true);
r->show();
}
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(r))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
beginDragRectangle((KviCanvasRectangleItem *)r,pnt,true);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
beginDragLine((KviCanvasLine *)r,pnt,true);
break;
// case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
// beginDragPolygon((KviCanvasPolygon *)r,pnt,true);
// break;
}
// canvas()->update();
}
void KviCanvasView::setItemSelected(TQCanvasItem * it)
{
clearSelection();
it->setSelected(true);
m_pSelectedItem = it;
m_pCanvasWidget->m_pPropertiesWidget->editItem(it);
}
void KviCanvasView::clearSelection()
{
if(!m_pSelectedItem)return;
m_pSelectedItem->setSelected(false);
m_pSelectedItem = 0;
m_pCanvasWidget->m_pPropertiesWidget->editItem(0);
}
void KviCanvasView::beginDragLine(KviCanvasLine * it,const TQPoint &p,bool bInitial)
{
TQPoint sp = it->startPoint();
m_dragBegin = p - sp;
if(bInitial)
{
m_dragMode = Bottom;
setCursor(sizeAllCursor);
return;
}
if((abs(p.x() - sp.x()) < 3) && (abs(p.y() - sp.y()) < 3))
{
m_dragMode = Top;
setCursor(sizeAllCursor);
return;
}
sp = it->endPoint();
if((abs(p.x() - sp.x()) < 3) && (abs(p.y() - sp.y()) < 3))
{
m_dragMode = Bottom;
setCursor(sizeAllCursor);
return;
}
m_dragMode = All;
setCursor(pointingHandCursor);
}
void KviCanvasView::dragLine(KviCanvasLine * it,const TQPoint &p)
{
switch(m_dragMode)
{
case Bottom:
{
TQPoint sp = it->startPoint();
it->setPoints(sp.x(),sp.y(),p.x(),p.y());
}
break;
case Top:
{
TQPoint ep = it->endPoint();
it->setPoints(p.x(),p.y(),ep.x(),ep.y());
}
break;
case All:
{
TQPoint sp = p - m_dragBegin;
TQPoint ep = sp + (it->endPoint() - it->startPoint());
it->setPoints(sp.x(),sp.y(),ep.x(),ep.y());
}
break;
default: /* make gcc happy */
break;
}
canvas()->update();
}
static double ssm_2d_rotationAngleFromXAxis(double dx,double dy)
{
//
// v1 . v2 dx * 1 + dy * 0 dx
//acos(---------) = acos(-----------------) = acos(---------)
// |v1||v2| |(dx,dy)| * 1 |(dx,dy)|
//
//double dVal = hypot(dx,dy);
double dVal = sqrt((dx * dx) + (dy * dy));
if(dVal == 0.0)return 0; // ???
dVal = acos(dx / dVal);
return (dy > 0.0) ? dVal : -dVal;
}
static double ssm_2d_rotationAngle(double drefx,double drefy,double drotatedx,double drotatedy)
{
double dRefAngle = ssm_2d_rotationAngleFromXAxis(drefx,drefy);
double dRotAngle = ssm_2d_rotationAngleFromXAxis(drotatedx,drotatedy);
return dRotAngle - dRefAngle;
}
static void ssm_2d_rotate(double &dx,double &dy,double dAngle)
{
// Rotation matrix:
//
// | cos(x) sin(x) |
// | |
// | -sin(x) cos(x) |
double s = sin(dAngle);
double c = cos(dAngle);
double tmpX = (dx * c) - (dy * s);
double tmpY = (dx * s) + (dy * c);
dx = tmpX;
dy = tmpY;
}
static double ssm_hypot(double a,double b)
{
return sqrt((a * a) + (b * b));
}
void KviCanvasView::beginDragPolygon(KviCanvasPolygon * it,const TQPoint &p,bool bShift,bool bCtrl)
{
m_dragBegin = TQPoint((int)(p.x() - it->x()),(int)(p.y() - it->y()));
TQPointArray pa = it->areaPoints();
for(unsigned int i=0;i<pa.size();i++)
{
TQPoint pnt = pa.point(i);
double dX = pnt.x() - p.x();
double dY = pnt.y() - p.y();
double dHypot = sqrt((dX * dX) + (dY * dY));
if(dHypot < 3.0)
{
// We're dragging a point
m_dragMode = SinglePoint;
m_dragPointIndex = i;
setCursor(crossCursor);
return;
}
}
if(bShift)
{
m_dragMode = Scale;
m_dragScaleFactor = it->scaleFactor();
setCursor(sizeAllCursor);
return;
}
if(bCtrl)
{
m_dragMode = Rotate;
m_dragPointArray = it->internalPoints();
// tqDebug("Here");
setCursor(sizeHorCursor);
return;
}
m_dragMode = All;
setCursor(pointingHandCursor);
}
void KviCanvasView::dragPolygon(KviCanvasPolygon * it,const TQPoint &p)
{
switch(m_dragMode)
{
case All:
it->move(p.x() - m_dragBegin.x(),p.y() - m_dragBegin.y());
break;
case SinglePoint:
{
TQPointArray pnt = it->internalPoints();
pnt.setPoint(m_dragPointIndex,(int)((p.x() - it->x()) / it->scaleFactor()),(int)((p.y() - it->y()) / it->scaleFactor()));
it->setInternalPoints(pnt);
}
break;
case Scale:
{
double dDistance = ssm_hypot(p.x() - it->x(),p.y() - it->y());
double dOriginal = ssm_hypot(m_dragBegin.x(),m_dragBegin.y());
if(dOriginal < 1)dOriginal = 1;
if(dDistance < 0.1)dDistance = 0.1;
it->setScaleFactor(m_dragScaleFactor * dDistance / dOriginal);
}
break;
case Rotate:
{
TQPoint act((int)(p.x() - it->x()),(int)(p.y() - it->y()));
double dAngle = ssm_2d_rotationAngle(m_dragBegin.x(),m_dragBegin.y(),act.x(),act.y());
// tqDebug("%d,%d %d,%d %f",m_dragBegin.x(),m_dragBegin.y(),act.x(),act.y(),dAngle);
TQPointArray thePoints = m_dragPointArray.copy();
for(unsigned int i=0;i<thePoints.size();i++)
{
TQPoint tmp = thePoints.point(i);
double dx = tmp.x();
double dy = tmp.y();
ssm_2d_rotate(dx,dy,dAngle);
thePoints.setPoint(i,(int)dx,(int)dy);
}
it->setInternalPoints(thePoints);
}
break;
default:
break;
}
canvas()->update();
}
void KviCanvasView::beginDragRectangle(KviCanvasRectangleItem * it,const TQPoint & p,bool bInitial)
{
m_dragBegin = TQPoint((int)(p.x() - it->x()),(int)(p.y() - it->y()));
if(bInitial)
{
// Right bottom
m_dragMode = RightBottom;
setCursor(sizeFDiagCursor);
return;
}
if(p.x() < (((int)it->x()) + 2))
{
// Left edge
if(p.y() < (((int)it->y()) + 2))
{
// Left top
m_dragMode = LeftTop;
setCursor(sizeFDiagCursor);
return;
}
if(p.y() > ( it->bottom() - 2))
{
// Left bottom
m_dragMode = LeftBottom;
setCursor(sizeBDiagCursor);
return;
}
m_dragMode = Left;
setCursor(sizeHorCursor);
return;
}
if(p.x() > (it->right() - 2))
{
// Right edge
if(p.y() < (((int)it->y()) + 2))
{
// Right top
m_dragMode = RightTop;
setCursor(sizeBDiagCursor);
return;
}
if(p.y() > ( it->bottom() - 2))
{
// Right bottom
m_dragMode = RightBottom;
setCursor(sizeFDiagCursor);
return;
}
m_dragMode = Right;
setCursor(sizeHorCursor);
return;
}
// Somewhere in the middle
if(p.y() < (((int)it->y()) + 2))
{
// Top
m_dragMode = Top;
setCursor(sizeVerCursor);
return;
}
if(p.y() > ( it->bottom() - 2))
{
// Bottom
m_dragMode = Bottom;
setCursor(sizeVerCursor);
return;
}
m_dragMode = All;
setCursor(pointingHandCursor);
}
void KviCanvasView::dragRectangle(KviCanvasRectangleItem * it,const TQPoint & p)
{
int aux1,aux2,aux3,aux4;
switch(m_dragMode)
{
case All:
it->move(p.x() - m_dragBegin.x(),p.y() - m_dragBegin.y());
break;
case Left:
aux1 = it->width() + (int)(it->x() - p.x());
aux2 = p.x();
if(aux1 < 1)
{
aux2 += (aux1 - 1);
aux1 = 1;
}
it->move(aux2,it->y());
it->setSize(aux1,it->height());
break;
case Right:
aux1 = it->width() + (p.x() - it->right());
if(aux1 < 1)aux1 = 1;
it->setSize(aux1,it->height());
break;
case Top:
aux1 = it->height() + (int)(it->y() - p.y());
aux2 = p.y();
if(aux1 < 1)
{
aux2 += (aux1 - 1);
aux1 = 1;
}
it->move(it->x(),aux2);
it->setSize(it->width(),aux1);
break;
case Bottom:
aux1 = (int)it->height() + (p.y() - it->bottom());
if(aux1 < 1)aux1 = 1;
it->setSize(it->width(),aux1);
break;
case LeftTop:
aux1 = it->width() + (int)(it->x() - p.x());
aux3 = p.x();
if(aux1 < 1)
{
aux3 += (aux1 - 1);
aux1 = 1;
}
aux2 = it->height() + (int)(it->y() - p.y());
aux4 = p.y();
if(aux2 < 1)
{
aux4 += (aux2 - 1);
aux2 = 1;
}
it->setSize(aux1,aux2);
it->move(aux3,aux4);
break;
case RightTop:
aux1 = it->width() + (int)(p.x() - it->right());
if(aux1 < 1)aux1 = 1;
aux2 = it->height() + (int)(it->y() - p.y());
aux4 = p.y();
if(aux2 < 1)
{
aux4 += (aux2 - 1);
aux2 = 1;
}
it->setSize(aux1,aux2);
it->move(it->x(),aux4);
break;
case LeftBottom:
aux1 = it->width() + (int)(it->x() - p.x());
aux3 = p.x();
if(aux1 < 1)
{
aux3 += (aux1 - 1);
aux1 = 1;
}
aux2 = it->height() + (int)(p.y() - it->bottom());
if(aux2 < 1)aux2 = 1;
it->setSize(aux1,aux2);
it->move(aux3,it->y());
break;
case RightBottom:
aux1 = it->width() + (int)(p.x() - it->right());
if(aux1 < 1)aux1 = 1;
aux2 = it->height() + (int)(p.y() - it->bottom());
if(aux2 < 1)aux2 = 1;
it->setSize(aux1,aux2);
break;
default:
break;
}
canvas()->update();
}
void KviCanvasView::contentsMouseMoveEvent(TQMouseEvent *e)
{
// TQPoint p = inverseWorldMatrix().map(e->pos());
TQPoint p = e->pos();
if(e->state() & Qt::LeftButton)
{
if((m_dragMode != None) && (m_pSelectedItem))
{
if(m_pSelectedItem->isEnabled())m_pSelectedItem->setEnabled(false);
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(m_pSelectedItem))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
dragRectangle((KviCanvasRectangleItem *)m_pSelectedItem,p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
dragLine((KviCanvasLine *)m_pSelectedItem,p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
dragPolygon((KviCanvasPolygon *)m_pSelectedItem,p);
break;
}
}
} else {
// Without buttons
if(m_state == Idle)
{
TQCanvasItemList l = canvas()->collisions(p);
TQCanvasItemList::Iterator it = l.begin();
if(it != l.end())
{
// Got an item
TQCanvasItem * hit = (TQCanvasItem *)*it;
// Now find the point on that we have clicked it
if(hit == m_pSelectedItem)
{
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(m_pSelectedItem))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
beginDragRectangle((KviCanvasRectangleItem *)m_pSelectedItem,p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
beginDragLine((KviCanvasLine *)m_pSelectedItem,p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
beginDragPolygon((KviCanvasPolygon *)m_pSelectedItem,p);
break;
}
}
else if(m_dragMode != None)setCursor(arrowCursor);
} else {
if(m_dragMode != None)setCursor(arrowCursor);
}
}
}
}
void KviCanvasView::contentsMouseReleaseEvent(TQMouseEvent *e)
{
if(m_dragMode != None)
{
// Was just dragging a rectangle
m_dragMode = None;
setCursor(arrowCursor);
if(m_pSelectedItem)
{
m_pSelectedItem->setEnabled(true);
canvas()->update();
}
}
}
void KviCanvasView::contentsMousePressEvent(TQMouseEvent *e)
{
if(e->button() & Qt::LeftButton)
{
// TQPoint p = inverseWorldMatrix().map(e->pos());
TQPoint p = e->pos();
switch(m_state)
{
case SelectOrigin:
clearSelection();
setCursor(arrowCursor);
m_state = Idle;
insertObjectAt(p,m_objectToInsert);
canvas()->update();
break;
case Idle:
{
TQCanvasItemList l = canvas()->collisions(p);
TQCanvasItemList::Iterator it = l.begin();
if(it != l.end())
{
// Got an item
TQCanvasItem * hit = *it;
if(hit != m_pSelectedItem)
{
// Was not selected yet
setItemSelected(hit);
canvas()->update();
}
// Now find the point on that we have clicked it
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(hit))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
beginDragRectangle(((KviCanvasRectangleItem *)hit),p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
beginDragLine(((KviCanvasLine *)hit),p);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
beginDragPolygon(((KviCanvasPolygon *)hit),p,e->state() & TQt::ShiftButton,e->state() & TQt::ControlButton);
break;
}
} else {
// No item
clearSelection();
canvas()->update();
}
}
break;
}
}
}
void KviCanvasView::propertyChanged(const TQString &s,const TQVariant &v)
{
if(!m_pSelectedItem)return;
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(m_pSelectedItem))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
((KviCanvasRectangleItem *)m_pSelectedItem)->setProperty(s,v);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
((KviCanvasLine *)m_pSelectedItem)->setProperty(s,v);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
((KviCanvasPolygon *)m_pSelectedItem)->setProperty(s,v);
break;
}
canvas()->update();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviVariantTableItem
//
KviVariantTableItem::KviVariantTableItem(TQTable * t,const TQVariant & property)
: TQTableItem(t,TQTableItem::WhenCurrent,TQString())
{
m_property = property;
}
KviVariantTableItem::~KviVariantTableItem()
{
}
TQWidget * KviVariantTableItem::createEditor() const
{
switch(m_property.type())
{
case TQVariant::String:
{
TQLineEdit * e = new TQLineEdit(table()->viewport());
e->setText(m_property.toString());
return e;
}
break;
case TQVariant::Int:
{
TQLineEdit * e = new TQLineEdit(table()->viewport());
TQString sz;
sz.setNum(m_property.toInt());
e->setText(sz);
e->setValidator(new TQIntValidator(TQT_TQOBJECT(e)));
return e;
}
break;
case TQVariant::UInt:
{
TQLineEdit * e = new TQLineEdit(table()->viewport());
TQString sz;
sz.setNum(m_property.toInt());
e->setText(sz);
TQIntValidator * i = new TQIntValidator(TQT_TQOBJECT(e));
i->setBottom(0);
e->setValidator(i);
return e;
}
break;
case TQVariant::Bool:
{
TQComboBox * b = new TQComboBox(false,table()->viewport());
b->insertItem("FALSE");
b->insertItem("TRUE");
b->setCurrentItem(m_property.toBool() ? 1 : 0);
return b;
}
break;
case TQVariant::Color:
{
TQLineEdit * e = new TQLineEdit(table()->viewport());
e->setText(m_property.toColor().name());
return e;
}
break;
case TQVariant::Font:
{
TQComboBox * b = new TQComboBox(true,table()->viewport());
TQString tmp;
TQString tmpDefault;
TQFont f = TQFont();
f.setStyleHint(TQFont::SansSerif);
tmpDefault = f.family();
f.setStyleHint(TQFont::TypeWriter);
tmp.setNum(m_property.toFont().pointSize());
tmp.prepend(", ");
tmp.prepend(m_property.toFont().family());
b->insertItem(tmp);
b->insertItem(tmpDefault + ", 8");
b->insertItem(tmpDefault + ", 10");
b->insertItem(tmpDefault + ", 12");
b->insertItem(tmpDefault + ", 14");
b->insertItem(tmpDefault + ", 16");
b->insertItem(tmpDefault + ", 18");
b->insertItem(tmpDefault + ", 20");
b->insertItem(tmpDefault + ", 24");
b->insertItem(tmpDefault + ", 28");
b->insertItem(tmpDefault + ", 32");
b->insertItem(tmpDefault + ", 40");
b->insertItem(tmpDefault + ", 48");
b->insertItem(TQString(f.family()) + ", 12");
b->setCurrentItem(0);
b->setCurrentItem(m_property.toBool() ? 1 : 0);
return b;
}
break;
default:
break;
}
return 0;
}
void KviVariantTableItem::setContentFromEditor(TQWidget * w)
{
switch(m_property.type())
{
case TQVariant::String:
m_property = TQVariant(((TQLineEdit *)w)->text());
break;
case TQVariant::Int:
m_property = TQVariant(((TQLineEdit *)w)->text().toInt());
break;
case TQVariant::UInt:
m_property = TQVariant(((TQLineEdit *)w)->text().toUInt());
break;
case TQVariant::Bool:
m_property = TQVariant(((TQComboBox *)w)->currentItem());
break;
case TQVariant::Color:
m_property.asColor().setNamedColor(((TQLineEdit *)w)->text());
break;
case TQVariant::Font:
{
KviStr txt = ((TQComboBox *)w)->currentText();
if(txt.hasData())
{
KviStr fam = txt;
fam.cutFromFirst(',',true);
fam.stripWhiteSpace();
KviStr psz = txt;
psz.cutToFirst(',',true);
psz.stripWhiteSpace();
bool bOk;
unsigned int uSize = psz.toUInt(&bOk);
if(!bOk)uSize = 12;
m_property = TQVariant(TQFont(fam.ptr(),uSize));
}
}
break;
default:
break;
}
}
void KviVariantTableItem::paint(TQPainter *p,const TQColorGroup &cg,const TQRect &cr,bool)
{
p->fillRect(0,0,cr.width(),cr.height(),cg.base());
if(m_property.type() == TQVariant::Color)
{
p->fillRect(3,3,cr.width() - 6,cr.height() - 6,m_property.asColor());
} else {
TQString sz;
switch(m_property.type())
{
case TQVariant::String:
sz = m_property.toString();
break;
case TQVariant::Bool:
sz = m_property.toBool() ? "TRUE" : "FALSE";
break;
case TQVariant::Font:
sz.setNum(m_property.toFont().pointSize());
sz.prepend(", ");
sz.prepend(m_property.toFont().family());
break;
case TQVariant::Int:
sz.setNum(m_property.toInt());
break;
case TQVariant::UInt:
sz.setNum(m_property.toUInt());
break;
default:
break;
}
p->setPen(cg.text());
p->drawText(0,0,cr.width(),cr.height(),TQt::AlignLeft | TQt::AlignTop,sz);
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasItemPropertiesWidget
//
KviCanvasItemPropertiesWidget::KviCanvasItemPropertiesWidget(TQWidget * par)
: TQTable(par)
{
setSelectionMode(TQTable::NoSelection);
setColumnMovingEnabled(false);
setRowMovingEnabled(false);
setShowGrid(true);
setNumCols(2);
setSorting(false);
setLeftMargin(0);
verticalHeader()->hide();
connect(this,TQT_SIGNAL(valueChanged(int,int)),this,TQT_SLOT(cellEdited(int,int)));
}
KviCanvasItemPropertiesWidget::~KviCanvasItemPropertiesWidget()
{
}
void KviCanvasItemPropertiesWidget::cellEdited(int row,int)
{
TQTableItem * it = item(row,0);
if(!it)return;
TQString szName = it->text();
it = item(row,1);
if(!it)return;
emit propertyChanged(szName,((KviVariantTableItem *)it)->property());
}
void KviCanvasItemPropertiesWidget::editItem(TQCanvasItem * it)
{
if(!it)
{
for(int i=0;i<numRows();i++)
{
clearCell(i,0);
clearCell(i,1);
clearCellWidget(i,1);
}
setNumRows(0);
return;
}
TQMap<TQString,TQVariant> * m = 0;
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(it))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
m = ((KviCanvasRectangleItem *)it)->properties();
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
m = ((KviCanvasLine *)it)->properties();
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
m = ((KviCanvasPolygon *)it)->properties();
break;
}
if(!m)
{
editItem(0);
return;
}
for(int i=0;i<numRows();i++)
{
clearCell(i,0);
clearCell(i,1);
clearCellWidget(i,1);
}
setNumRows(m->count());
TQTableItem * item;
int idx = 0;
for(TQMap<TQString,TQVariant>::ConstIterator iter = m->begin();iter != m->end();++iter)
{
item = new TQTableItem(this,TQTableItem::Never,iter.key().utf8().data());
setItem(idx,0,item);
item = new KviVariantTableItem(this,iter.data());
setItem(idx,1,item);
idx++;
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// KviCanvasWidget
//
KviCanvasWidget::KviCanvasWidget(TQWidget * par)
: TQWidget(par,"canvas_widget")
{
m_pCanvas = new TQCanvas(TQT_TQOBJECT(this));
//#warning "Make this size as parameter of Dcc ?"
m_pCanvas->resize(648,480);
m_pMenuBar = new TQMenuBar(this);
m_pSplitter = new TQSplitter(Qt::Horizontal,this);
m_pCanvasView = new KviCanvasView(m_pCanvas,this,m_pSplitter);
m_pStatusLabel = new TQLabel(this);
m_pPropertiesWidget = new KviCanvasItemPropertiesWidget(m_pSplitter);
TQValueList<int> l;
l.append(80);
l.append(20);
m_pSplitter->setSizes(l);
connect(m_pPropertiesWidget,TQT_SIGNAL(propertyChanged(const TQString &,const TQVariant &)),m_pCanvasView,TQT_SLOT(propertyChanged(const TQString &,const TQVariant &)));
KviTalPopupMenu * add = new KviTalPopupMenu(m_pMenuBar);
KviTalPopupMenu * shapes = new KviTalPopupMenu(add);
KviTalPopupMenu * polygons = new KviTalPopupMenu(add);
KviTalPopupMenu * items = new KviTalPopupMenu(add);
shapes->insertItem(__tr2qs_ctx("&Line","dcc"),m_pCanvasView,TQT_SLOT(insertLine()));
shapes->insertItem(__tr2qs_ctx("&Rectangle","dcc"),m_pCanvasView,TQT_SLOT(insertRectangle()));
shapes->insertItem(__tr2qs_ctx("&Ellipse","dcc"),m_pCanvasView,TQT_SLOT(insertEllipse()));
shapes->insertItem(__tr2qs_ctx("&Pie","dcc"),m_pCanvasView,TQT_SLOT(insertPie()));
shapes->insertItem(__tr2qs_ctx("&Chord","dcc"),m_pCanvasView,TQT_SLOT(insertChord()));
items->insertItem(__tr2qs_ctx("&Rich text (html)","dcc"),m_pCanvasView,TQT_SLOT(insertRichText()));
polygons->insertItem(__tr2qs_ctx("&Triangle","dcc"),m_pCanvasView,TQT_SLOT(insertPolygonTriangle()));
polygons->insertItem(__tr2qs_ctx("&Rectangle","dcc"),m_pCanvasView,TQT_SLOT(insertPolygonRectangle()));
polygons->insertItem(__tr2qs_ctx("&Pentagon","dcc"),m_pCanvasView,TQT_SLOT(insertPolygonPentagon()));
polygons->insertItem(__tr2qs_ctx("&Hexagon","dcc"),m_pCanvasView,TQT_SLOT(insertPolygonHexagon()));
add->insertItem(__tr2qs_ctx("&Shape","dcc"),shapes);
add->insertItem(__tr2qs_ctx("&Item","dcc"),items);
add->insertItem(__tr2qs_ctx("&Polygons","dcc"),polygons);
m_pMenuBar->insertItem(__tr2qs_ctx("&Insert","dcc"),add);
}
KviCanvasWidget::~KviCanvasWidget()
{
}
void KviCanvasWidget::resizeEvent(TQResizeEvent *)
{
int h = m_pMenuBar->sizeHint().height();
m_pMenuBar->setGeometry(0,0,width(),h);
int h2 = m_pStatusLabel->sizeHint().height();
m_pStatusLabel->setGeometry(0,height() - h2,width(),h2);
m_pSplitter->setGeometry(0,h,width(),height() - (h + h2));
}
#include "m_canvaswidget.moc"
#endif