juce/source/src/gui/components/keyboard/juce_CaretComponent.cpp

   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 #include "../../../core/juce_StandardHeader.h"
  27
  28 BEGIN_JUCE_NAMESPACE
  29
  30 #include "juce_CaretComponent.h"
  31
  32
  33 //==============================================================================
  34 CaretComponent::CaretComponent (Component* const keyFocusOwner)
  35     : owner (keyFocusOwner)
  36 {
  37     setAlwaysOnTop (true);
  38     setInterceptsMouseClicks (false, false);
  39 }
  40
  41 CaretComponent::~CaretComponent()
  42 {
  43 }
  44
  45 void CaretComponent::paint (Graphics& g)
  46 {
  47     g.fillAll (findColour (caretColourId, true));
  48 }
  49
  50 void CaretComponent::timerCallback()
  51 {
  52     setVisible (shouldBeShown() && ! isVisible());
  53 }
  54
  55 void CaretComponent::setCaretPosition (const Rectangle<int>& characterArea)
  56 {
  57     startTimer (380);
  58     setVisible (shouldBeShown());
  59     setBounds (characterArea.withWidth (2));
  60 }
  61
  62 bool CaretComponent::shouldBeShown() const
  63 {
  64     return owner == nullptr || (owner->hasKeyboardFocus (true)
  65                                  && ! owner->isCurrentlyBlockedByAnotherModalComponent());
  66 }
  67
  68
  69 END_JUCE_NAMESPACE