mirror of
https://github.com/juce-framework/JUCE.git
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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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class CurrentActivitiesComp : public Component,
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private ChangeListener,
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private ListBoxModel,
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private Timer
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{
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public:
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CurrentActivitiesComp (ActivityList& activities)
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: Component ("Activities"), activityList (activities)
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{
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addAndMakeVisible (&list);
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list.setColour (ListBox::backgroundColourId, Colours::transparentBlack);
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list.setRowHeight (16);
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list.setModel (this);
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activityList.addChangeListener (this);
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}
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~CurrentActivitiesComp()
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{
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activityList.removeChangeListener (this);
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}
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void resized() override { list.setBounds (getLocalBounds()); }
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int getNumRows() override
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{
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return activityList.getNumActivities();
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}
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void paintListBoxItem (int rowNumber, Graphics& g,
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int width, int height, bool /*rowIsSelected*/) override
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{
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const StringArray activities (activityList.getActivities());
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if (rowNumber >= 0 && rowNumber < activities.size())
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{
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g.setColour (findColour (defaultTextColourId));
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g.setFont (height * 0.7f);
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g.drawText (activities [rowNumber],
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4, 0, width - 5, height, Justification::centredLeft, true);
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}
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}
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void paint (Graphics& g) override
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{
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if (getNumRows() == 0)
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TreePanelBase::drawEmptyPanelMessage (*this, g, "(No activities)");
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}
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static int getMaxPanelHeight() { return 200; }
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private:
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ActivityList& activityList;
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ListBox list;
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int panelHeightToSet;
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void timerCallback() override
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{
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stopTimer();
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if (ConcertinaPanel* cp = findParentComponentOfClass<ConcertinaPanel>())
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cp->setPanelSize (this, panelHeightToSet, true);
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}
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void changeListenerCallback (ChangeBroadcaster*) override
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{
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list.updateContent();
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panelHeightToSet = jmax (3, getNumRows()) * list.getRowHeight() + 15;
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if (! isTimerRunning())
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startTimer (100);
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repaint();
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}
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};
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