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// --------------------------------------------------------------------
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// Overlay factory for object creators
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// --------------------------------------------------------------------
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This file is part of the extensible drawing editor Ipe.
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Copyright (C) 1993-2007 Otfried Cheong
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Ipe is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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As a special exception, you have permission to link Ipe with the
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CGAL library and distribute executables, as long as you follow the
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requirements of the Gnu General Public License in regard to all of
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the software in the executable aside from CGAL.
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Ipe is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with Ipe; if not, you can find it at
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"http://www.gnu.org/copyleft/gpl.html", or write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include "ipecanvas.h"
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#include "ipeoverlay.h"
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#include "ipecreatepath.h"
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#include "ipecreatearc.h"
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#include "ipecreatetext.h"
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#include <QMouseEvent>
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// --------------------------------------------------------------------
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static const char *strings[3 * IpeOverlayFactory::Num] = {
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QT_TR_NOOP("Select objects (with Shift: non-destructively)"),
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QT_TR_NOOP("Move objects (with Shift: horizontal/vertical)"),
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QT_TR_NOOP("Rotate objects"),
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QT_TR_NOOP("Stretch objects (with Shift: scale objects)"),
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QT_TR_NOOP("Pan the canvas"),
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QT_TR_NOOP("Text labels"),
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QT_TR_NOOP("Mathematical symbols"),
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"Mode|Mathematical symbols",
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QT_TR_NOOP("Paragraphs"),
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QT_TR_NOOP("Rectangles (with Shift: squares)"),
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QT_TR_NOOP("Lines and polylines"),
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QT_TR_NOOP("Polygons"),
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QT_TR_NOOP("Circular arcs (by center, right and left point)"),
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"Mode|Circular arcs (center, right, left)",
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QT_TR_NOOP("Circular arcs (by center, left and right point)"),
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"Mode|Circular arcs (center, left, right)",
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QT_TR_NOOP("Circular arcs (by 3 points)"),
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"Mode|Circular arcs (3 points)",
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QT_TR_NOOP("Circles (by center and radius)"),
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"Mode|Circles (center, radius)",
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QT_TR_NOOP("Circles (by diameter)"),
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"Mode|Circles (diameter)",
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QT_TR_NOOP("Circles (by 3 points)"),
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"Mode|Circles (3 points)",
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QT_TR_NOOP("Splines"),
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QT_TR_NOOP("Splinegons"),
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const char *whatsThisText = QT_TR_NOOP(
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"<qt>With these buttons you select the current Ipe <em>mode</em>. "
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"The current mode determines the function of the left mouse button. "
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"<p>The leftmost five buttons set modes for selecting and transforming "
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"objects. The remaining buttons set modes for creating various kinds "
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"of objects.</p></qt>");
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// --------------------------------------------------------------------
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/*! \class IpeOverlayFactory
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\brief Creates the various overlays for creating objects.
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IpeOverlayFactory::IpeOverlayFactory(QMouseEvent *ev, IpeCanvas *canvas,
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IpePage *page, int view,
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IpeOverlayServices *services)
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: iEvent(ev), iCanvas(canvas), iPage(page), iView(view),
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IpeOverlay *IpeOverlayFactory::StartTransforming(IpeTransforming::TType type)
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IpeTransforming *t = new IpeTransforming(iEvent, iPage, iView, iCanvas,
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if (!t->findObjects(iCanvas->SnapData().iSelectDistance)) {
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iServices->OvSvcMessage(QObject::tr("No object selected"));
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if (!t->checkOrigin()) {
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iServices->OvSvcMessage(QObject::tr("Cannot start transformation in the origin"));
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if (!t->checkPinned()) {
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iServices->OvSvcMessage(QObject::tr("Cannot transform pinned objects"));
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//! Create a new overlay for the canvas.
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void IpeOverlayFactory::CreateOverlay(int index)
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IpeOverlay *ov = MakeOverlay(index);
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// mark and label modes perform action immediately,
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// and return 0 for overlay
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iCanvas->SetOverlay(ov);
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//! Return appropriate object creator.
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IpeOverlay *IpeOverlayFactory::MakeOverlay(int index)
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return new IpeSelecting(iEvent, iPage, iView, iCanvas,
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(iEvent->modifiers() & Qt::ShiftModifier),
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iCanvas->SnapData().iSelectDistance,
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return new IpePanning(iEvent, iPage, iCanvas);
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return StartTransforming(IpeTransforming::EMove);
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return StartTransforming(IpeTransforming::ERotate);
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if (iEvent->modifiers() & Qt::ShiftModifier)
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return StartTransforming(IpeTransforming::EScale);
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return StartTransforming(IpeTransforming::EStretch);
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return new IpeCreateRectangle(iEvent, iCanvas, iServices);
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return new IpeCreatePath(iEvent, iCanvas, iServices, false, false);
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return new IpeCreatePath(iEvent, iCanvas, iServices, true, false);
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return new IpeCreatePath(iEvent, iCanvas, iServices, false, true);
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return new IpeCreateSplinegon(iEvent, iCanvas, iServices);
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return new IpeCreateCircle(iEvent, iCanvas, iServices,
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IpeCreateCircle::ECenterRadius);
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return new IpeCreateCircle(iEvent, iCanvas, iServices,
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IpeCreateCircle::EDiameter);
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return new IpeCreateCircle(iEvent, iCanvas, iServices,
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IpeCreateCircle::E3Points);
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return new IpeCreateArc(iEvent, iCanvas, iServices,
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IpeCreateArc::ECenterRightLeft);
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return new IpeCreateArc(iEvent, iCanvas, iServices,
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IpeCreateArc::ECenterLeftRight);
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return new IpeCreateArc(iEvent, iCanvas, iServices,
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IpeCreateArc::E3Points);
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IpeCreateText::New(iEvent, iCanvas, iServices, IpeCreateText::ELabel);
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IpeCreateText::New(iEvent, iCanvas, iServices, IpeCreateText::EMath);
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return new IpeCreateText(iEvent, iCanvas, iServices);
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iServices->OvSvcAddObject
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(new IpeMark(iServices->OvSvcAttributes(), iCanvas->Pos()));
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const char *IpeOverlayFactory::PixmapName(int index)
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return strings[3 * index + 2];
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QString IpeOverlayFactory::Tooltip(int index)
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return qApp->translate("IpeOverlayFactory", strings[3 * index + 0]);
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const char *IpeOverlayFactory::Context(int index)
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return strings[3 * index + 1];
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QString IpeOverlayFactory::WhatsThis(int)
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return qApp->translate("IpeOverlayFactory", whatsThisText);
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// --------------------------------------------------------------------
added
removed
src/ipecanvas/ipecreators.cpp
