juce/source/extras/the jucer/src/model/paintelements/jucer_PointComponent.h

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-11 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #ifndef __JUCER_POINTCOMPONENT_JUCEHEADER__
  27 #define __JUCER_POINTCOMPONENT_JUCEHEADER__
  28
  29 #include "jucer_ElementSiblingComponent.h"
  30 #include "../../ui/jucer_PaintRoutineEditor.h"
  31
  32
  33 //==============================================================================
  34 /**
  35 */
  36 class PointComponent    : public ElementSiblingComponent
  37 {
  38 public:
  39     //==============================================================================
  40     PointComponent (PaintElement* const owner_)
  41         : ElementSiblingComponent (owner_)
  42     {
  43         setSize (11, 11);
  44         setMouseCursor (MouseCursor::UpDownLeftRightResizeCursor);
  45     }
  46
  47     ~PointComponent()
  48     {
  49     }
  50
  51     virtual const RelativePositionedRectangle getPosition() = 0;
  52     virtual void setPosition (const RelativePositionedRectangle& newPos) = 0;
  53
  54     virtual void updatePosition()
  55     {
  56         if (dynamic_cast <PaintRoutineEditor*> (getParentComponent()) != 0)
  57         {
  58             const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
  59
  60             const Rectangle<int> r (getPosition().getRectangle (area, owner->getDocument()->getComponentLayout()));
  61
  62             setCentrePosition (r.getX(), r.getY());
  63         }
  64     }
  65
  66     //==============================================================================
  67     void paint (Graphics& g)
  68     {
  69         g.setColour (Colours::white);
  70         g.drawEllipse (2.0f, 2.0f, getWidth() - 4.0f, getHeight() - 4.0f, 2.0f);
  71
  72         g.setColour (Colours::black);
  73         g.drawEllipse (1.0f, 1.0f, getWidth() - 2.0f, getHeight() - 2.0f, 2.0f);
  74     }
  75
  76     //==============================================================================
  77     void mouseDown (const MouseEvent& e)
  78     {
  79         const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
  80         dragX = getX() + getWidth() / 2 - area.getX();
  81         dragY = getY() + getHeight() / 2 - area.getY();
  82     }
  83
  84     void mouseDrag (const MouseEvent& e)
  85     {
  86         const Rectangle<int> area (((PaintRoutineEditor*) getParentComponent())->getComponentArea());
  87         int x = dragX + e.getDistanceFromDragStartX();
  88         int y = dragY + e.getDistanceFromDragStartY();
  89
  90         JucerDocument* const document = owner->getDocument();
  91
  92         if (document != 0)
  93         {
  94             x = document->snapPosition (x);
  95             y = document->snapPosition (y);
  96         }
  97
  98         const RelativePositionedRectangle original (getPosition());
  99         RelativePositionedRectangle pr (original);
 100
 101         Rectangle<int> r (pr.getRectangle (Rectangle<int> (0, 0, area.getWidth(), area.getHeight()),
 102                                            document->getComponentLayout()));
 103         r.setPosition (x, y);
 104
 105         pr.updateFrom (r.getX(), r.getY(), r.getWidth(), r.getHeight(),
 106                        Rectangle<int> (0, 0, area.getWidth(), area.getHeight()),
 107                        document->getComponentLayout());
 108
 109         if (pr != original)
 110             setPosition (pr);
 111     }
 112
 113     void mouseUp (const MouseEvent& e)
 114     {
 115     }
 116
 117 private:
 118     int dragX, dragY;
 119 };
 120
 121
 122 #endif   // __JUCER_POINTCOMPONENT_JUCEHEADER__