mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-15 00:24:19 +00:00
124 lines
5.6 KiB
C++
124 lines
5.6 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library - "Jules' Utility Class Extensions"
|
|
Copyright 2004-11 by Raw Material Software Ltd.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
JUCE can be redistributed and/or modified under the terms of the GNU General
|
|
Public License (Version 2), as published by the Free Software Foundation.
|
|
A copy of the license is included in the JUCE distribution, or can be found
|
|
online at www.gnu.org/licenses.
|
|
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.rawmaterialsoftware.com/juce for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#ifndef __JUCE_TEXTEDITORKEYMAPPER_JUCEHEADER__
|
|
#define __JUCE_TEXTEDITORKEYMAPPER_JUCEHEADER__
|
|
|
|
#include "juce_KeyPress.h"
|
|
|
|
|
|
//==============================================================================
|
|
/** This class is used to invoke a range of text-editor navigation methods on
|
|
an object, based upon a keypress event.
|
|
|
|
It's currently used internally by the TextEditor and CodeEditorComponent.
|
|
*/
|
|
template <class CallbackClass>
|
|
struct TextEditorKeyMapper
|
|
{
|
|
/** Checks the keypress and invokes one of a range of navigation functions that
|
|
the target class must implement, based on the key event.
|
|
*/
|
|
static bool invokeKeyFunction (CallbackClass& target, const KeyPress& key)
|
|
{
|
|
const ModifierKeys& mods = key.getModifiers();
|
|
|
|
const bool isShiftDown = mods.isShiftDown();
|
|
const bool ctrlOrAltDown = mods.isCtrlDown() || mods.isAltDown();
|
|
|
|
int numCtrlAltCommandKeys = 0;
|
|
if (mods.isCtrlDown()) ++numCtrlAltCommandKeys;
|
|
if (mods.isAltDown()) ++numCtrlAltCommandKeys;
|
|
|
|
if (key == KeyPress (KeyPress::downKey, ModifierKeys::ctrlModifier, 0) && target.scrollUp()) return true;
|
|
if (key == KeyPress (KeyPress::upKey, ModifierKeys::ctrlModifier, 0) && target.scrollDown()) return true;
|
|
|
|
#if JUCE_MAC
|
|
if (mods.isCommandDown() && ! ctrlOrAltDown)
|
|
{
|
|
if (key.isKeyCode (KeyPress::upKey)) return target.moveCaretToTop (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::downKey)) return target.moveCaretToEnd (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::leftKey)) return target.moveCaretToStartOfLine (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::rightKey)) return target.moveCaretToEndOfLine (isShiftDown);
|
|
}
|
|
|
|
if (mods.isCommandDown())
|
|
++numCtrlAltCommandKeys;
|
|
#endif
|
|
|
|
if (numCtrlAltCommandKeys < 2)
|
|
{
|
|
if (key.isKeyCode (KeyPress::leftKey)) return target.moveCaretLeft (ctrlOrAltDown, isShiftDown);
|
|
if (key.isKeyCode (KeyPress::rightKey)) return target.moveCaretRight (ctrlOrAltDown, isShiftDown);
|
|
|
|
if (key.isKeyCode (KeyPress::homeKey)) return ctrlOrAltDown ? target.moveCaretToTop (isShiftDown)
|
|
: target.moveCaretToStartOfLine (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::endKey)) return ctrlOrAltDown ? target.moveCaretToEnd (isShiftDown)
|
|
: target.moveCaretToEndOfLine (isShiftDown);
|
|
}
|
|
|
|
if (numCtrlAltCommandKeys == 0)
|
|
{
|
|
if (key.isKeyCode (KeyPress::upKey)) return target.moveCaretUp (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::downKey)) return target.moveCaretDown (isShiftDown);
|
|
|
|
if (key.isKeyCode (KeyPress::pageUpKey)) return target.pageUp (isShiftDown);
|
|
if (key.isKeyCode (KeyPress::pageDownKey)) return target.pageDown (isShiftDown);
|
|
}
|
|
|
|
if (numCtrlAltCommandKeys < 2)
|
|
{
|
|
if (key.isKeyCode (KeyPress::backspaceKey)) return target.deleteBackwards (ctrlOrAltDown);
|
|
if (key.isKeyCode (KeyPress::deleteKey)) return target.deleteForwards (ctrlOrAltDown);
|
|
}
|
|
|
|
if (key == KeyPress ('c', ModifierKeys::commandModifier, 0)
|
|
|| key == KeyPress (KeyPress::insertKey, ModifierKeys::ctrlModifier, 0))
|
|
return target.copyToClipboard();
|
|
|
|
if (key == KeyPress ('x', ModifierKeys::commandModifier, 0)
|
|
|| key == KeyPress (KeyPress::deleteKey, ModifierKeys::shiftModifier, 0))
|
|
return target.cutToClipboard();
|
|
|
|
if (key == KeyPress ('v', ModifierKeys::commandModifier, 0)
|
|
|| key == KeyPress (KeyPress::insertKey, ModifierKeys::shiftModifier, 0))
|
|
return target.pasteFromClipboard();
|
|
|
|
if (key == KeyPress ('a', ModifierKeys::commandModifier, 0))
|
|
return target.selectAll();
|
|
|
|
if (key == KeyPress ('z', ModifierKeys::commandModifier, 0))
|
|
return target.undo();
|
|
|
|
if (key == KeyPress ('y', ModifierKeys::commandModifier, 0)
|
|
|| key == KeyPress ('z', ModifierKeys::commandModifier | ModifierKeys::shiftModifier, 0))
|
|
return target.redo();
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
#endif // __JUCE_TEXTEDITORKEYMAPPER_JUCEHEADER__
|