paulxstretch/deps/juce/examples/GUI/KeyMappingsDemo.h
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

272 lines
10 KiB
C++

/*
==============================================================================
This file is part of the JUCE examples.
Copyright (c) 2020 - Raw Material Software Limited
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
/*******************************************************************************
The block below describes the properties of this PIP. A PIP is a short snippet
of code that can be read by the Projucer and used to generate a JUCE project.
BEGIN_JUCE_PIP_METADATA
name: KeyMappingsDemo
version: 1.0.0
vendor: JUCE
website: http://juce.com
description: Showcases key mapping features.
dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
juce_gui_basics, juce_gui_extra
exporters: xcode_mac, vs2019, linux_make, androidstudio, xcode_iphone
moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
type: Component
mainClass: KeyMappingsDemo
useLocalCopy: 1
END_JUCE_PIP_METADATA
*******************************************************************************/
#pragma once
#include "../Assets/DemoUtilities.h"
/** A list of the command IDs that this demo can perform. */
enum KeyPressCommandIDs
{
buttonMoveUp = 1,
buttonMoveRight,
buttonMoveDown,
buttonMoveLeft,
nextButtonColour,
previousButtonColour,
nextBackgroundColour,
previousBackgroundColour
};
//==============================================================================
/**
This is a simple target for the key-presses which will live inside the demo component
and contains a button that can be moved around with the arrow keys.
*/
class KeyPressTarget : public Component,
public ApplicationCommandTarget
{
public:
KeyPressTarget()
{
Array<Colour> coloursToUse { Colours::darkblue, Colours::darkgrey, Colours::red,
Colours::green, Colours::blue, Colours::hotpink };
colours.addArray (coloursToUse);
addAndMakeVisible (button);
}
//==============================================================================
void resized() override
{
auto bounds = getLocalBounds();
// keep the button on-screen
if (buttonX < -150 || buttonX > bounds.getWidth()
|| buttonY < -30 || buttonY > bounds.getHeight())
{
buttonX = bounds.getCentreX() - 75;
buttonY = bounds.getCentreY() - 15;
}
button.setBounds (buttonX, buttonY, 150, 30);
}
void paint (Graphics& g) override
{
g.fillAll (colours.getUnchecked (backgroundColourIndex));
}
//==============================================================================
/** No other command targets in this simple example so just return nullptr. */
ApplicationCommandTarget* getNextCommandTarget() override { return nullptr; }
void getAllCommands (Array<CommandID>& commands) override
{
Array<CommandID> ids { KeyPressCommandIDs::buttonMoveUp, KeyPressCommandIDs::buttonMoveRight,
KeyPressCommandIDs::buttonMoveDown, KeyPressCommandIDs::buttonMoveLeft,
KeyPressCommandIDs::nextButtonColour, KeyPressCommandIDs::previousButtonColour,
KeyPressCommandIDs::nextBackgroundColour, KeyPressCommandIDs::previousBackgroundColour };
commands.addArray (ids);
}
void getCommandInfo (CommandID commandID, ApplicationCommandInfo& result) override
{
switch (commandID)
{
case KeyPressCommandIDs::buttonMoveUp:
result.setInfo ("Move up", "Move the button up", "Button", 0);
result.addDefaultKeypress (KeyPress::upKey, 0);
break;
case KeyPressCommandIDs::buttonMoveRight:
result.setInfo ("Move right", "Move the button right", "Button", 0);
result.addDefaultKeypress (KeyPress::rightKey, 0);
break;
case KeyPressCommandIDs::buttonMoveDown:
result.setInfo ("Move down", "Move the button down", "Button", 0);
result.addDefaultKeypress (KeyPress::downKey, 0);
break;
case KeyPressCommandIDs::buttonMoveLeft:
result.setInfo ("Move left", "Move the button left", "Button", 0);
result.addDefaultKeypress (KeyPress::leftKey, 0);
break;
case KeyPressCommandIDs::nextButtonColour:
result.setInfo ("Next colour", "Change the colour of the button to the next in the list", "Button", 0);
result.addDefaultKeypress (KeyPress::rightKey, ModifierKeys::shiftModifier);
break;
case KeyPressCommandIDs::previousButtonColour:
result.setInfo ("Previous colour", "Change the colour of the button to the previous in the list", "Button", 0);
result.addDefaultKeypress (KeyPress::leftKey, ModifierKeys::shiftModifier);
break;
case KeyPressCommandIDs::nextBackgroundColour:
result.setInfo ("Next colour", "Change the colour of the background to the next in the list", "Other", 0);
result.addDefaultKeypress (KeyPress::rightKey, ModifierKeys::commandModifier);
break;
case KeyPressCommandIDs::previousBackgroundColour:
result.setInfo ("Previous colour", "Change the colour of the background to the previous in the list", "Other", 0);
result.addDefaultKeypress (KeyPress::leftKey, ModifierKeys::commandModifier);
break;
default:
break;
}
}
bool perform (const InvocationInfo& info) override
{
switch (info.commandID)
{
case KeyPressCommandIDs::buttonMoveUp:
buttonY -= 5;
resized();
break;
case KeyPressCommandIDs::buttonMoveRight:
buttonX += 5;
resized();
break;
case KeyPressCommandIDs::buttonMoveDown:
buttonY += 5;
resized();
break;
case KeyPressCommandIDs::buttonMoveLeft:
buttonX -= 5;
resized();
break;
case KeyPressCommandIDs::nextButtonColour:
++buttonColourIndex %= colours.size();
button.setColour (TextButton::buttonColourId, colours.getUnchecked (buttonColourIndex));
break;
case KeyPressCommandIDs::previousButtonColour:
--buttonColourIndex;
if (buttonColourIndex < 0)
buttonColourIndex = colours.size() - 1;
button.setColour (TextButton::buttonColourId, colours.getUnchecked (buttonColourIndex));
break;
case KeyPressCommandIDs::nextBackgroundColour:
++backgroundColourIndex %= colours.size();
repaint();
break;
case KeyPressCommandIDs::previousBackgroundColour:
--backgroundColourIndex;
if (backgroundColourIndex < 0)
backgroundColourIndex = colours.size() - 1;
repaint();
break;
default:
return false;
}
return true;
}
private:
TextButton button;
int buttonX = -200, buttonY = -200;
Array<Colour> colours;
int buttonColourIndex = 0;
int backgroundColourIndex = 1;
};
//==============================================================================
class KeyMappingsDemo : public Component
{
public:
KeyMappingsDemo()
{
// register the commands that the target component can perform
commandManager.registerAllCommandsForTarget (&keyTarget);
setOpaque (true);
addAndMakeVisible (keyMappingEditor);
addAndMakeVisible (keyTarget);
// add command manager key mappings as a KeyListener to the top-level component
// so it is notified of key presses
getTopLevelComponent()->addKeyListener (commandManager.getKeyMappings());
setSize (500, 500);
Timer::callAfterDelay (300, [this] { keyTarget.grabKeyboardFocus(); }); // ensure that key presses are sent to the KeyPressTarget object
}
void paint (Graphics& g) override
{
g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground,
Colour::greyLevel (0.93f)));
}
void resized() override
{
auto bounds = getLocalBounds();
keyTarget .setBounds (bounds.removeFromTop (bounds.getHeight() / 2).reduced (4));
keyMappingEditor.setBounds (bounds.reduced (4));
}
private:
#if JUCE_DEMO_RUNNER
ApplicationCommandManager& commandManager = getGlobalCommandManager();
#else
ApplicationCommandManager commandManager;
#endif
KeyMappingEditorComponent keyMappingEditor { *commandManager.getKeyMappings(), true};
KeyPressTarget keyTarget;
void lookAndFeelChanged() override
{
auto* lf = &LookAndFeel::getDefaultLookAndFeel();
keyMappingEditor.setColours (lf->findColour (KeyMappingEditorComponent::backgroundColourId),
lf->findColour (KeyMappingEditorComponent::textColourId));
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (KeyMappingsDemo)
};