forked from bartvdbraak/blender
3fd388fb06
- PyLong_FromSsize_t --> PyLong_FromLong - PyLong_AsSsize_t --> PyLong_AsLong In all places except for those where python api expects PySsize_t (index lookups mainly). - use PyBool_FromLong in a few areas of the BGE. - fix incorrect assumption in the BGE that PySequence_Check() means PySequence_Fast_ functions can be used.
670 lines
18 KiB
C++
670 lines
18 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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* Sensor for keyboard input
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*/
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/** \file gameengine/GameLogic/SCA_KeyboardSensor.cpp
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* \ingroup gamelogic
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*/
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#include <stddef.h>
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#include "SCA_KeyboardSensor.h"
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#include "SCA_KeyboardManager.h"
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#include "SCA_LogicManager.h"
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#include "StringValue.h"
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#include "SCA_IInputDevice.h"
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extern "C" {
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#include "BLI_string_cursor_utf8.h"
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}
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/* ------------------------------------------------------------------------- */
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/* Native functions */
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/* ------------------------------------------------------------------------- */
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SCA_KeyboardSensor::SCA_KeyboardSensor(SCA_KeyboardManager* keybdmgr,
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short int hotkey,
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short int qual,
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short int qual2,
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bool bAllKeys,
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const STR_String& targetProp,
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const STR_String& toggleProp,
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SCA_IObject* gameobj,
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short int exitKey)
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:SCA_ISensor(gameobj,keybdmgr),
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m_hotkey(hotkey),
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m_qual(qual),
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m_qual2(qual2),
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m_bAllKeys(bAllKeys),
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m_targetprop(targetProp),
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m_toggleprop(toggleProp)
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{
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if (hotkey == exitKey)
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keybdmgr->GetInputDevice()->HookEscape();
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// SetDrawColor(0xff0000ff);
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Init();
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}
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SCA_KeyboardSensor::~SCA_KeyboardSensor()
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{
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}
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void SCA_KeyboardSensor::Init()
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{
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// this function is used when the sensor is disconnected from all controllers
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// by the state engine. It reinitializes the sensor as if it was just created.
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// However, if the target key is pressed when the sensor is reactivated, it
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// will not generated an event (see remark in Evaluate()).
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m_val = (m_invert)?1:0;
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m_reset = true;
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}
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CValue* SCA_KeyboardSensor::GetReplica()
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{
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SCA_KeyboardSensor* replica = new SCA_KeyboardSensor(*this);
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// this will copy properties and so on...
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replica->ProcessReplica();
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replica->Init();
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return replica;
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}
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short int SCA_KeyboardSensor::GetHotkey()
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{
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return m_hotkey;
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}
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bool SCA_KeyboardSensor::IsPositiveTrigger()
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{
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bool result = (m_val != 0);
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if (m_invert)
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result = !result;
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return result;
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}
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bool SCA_KeyboardSensor::TriggerOnAllKeys()
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{
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return m_bAllKeys;
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}
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bool SCA_KeyboardSensor::Evaluate()
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{
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bool result = false;
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bool reset = m_reset && m_level;
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bool qual = true;
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bool qual_change = false;
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short int m_val_orig = m_val;
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SCA_IInputDevice* inputdev = ((SCA_KeyboardManager *)m_eventmgr)->GetInputDevice();
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// cerr << "SCA_KeyboardSensor::Eval event, sensing for "<< m_hotkey << " at device " << inputdev << "\n";
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/* See if we need to do logging: togPropState exists and is
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* different from 0 */
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CValue* myparent = GetParent();
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CValue* togPropState = myparent->GetProperty(m_toggleprop);
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if (togPropState &&
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(((int)togPropState->GetNumber()) != 0) )
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{
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LogKeystrokes();
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}
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m_reset = false;
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/* Now see whether events must be bounced. */
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if (m_bAllKeys)
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{
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bool justactivated = false;
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bool justreleased = false;
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bool active = false;
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for (int i=SCA_IInputDevice::KX_BEGINKEY ; i<= SCA_IInputDevice::KX_ENDKEY;i++)
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{
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const SCA_InputEvent & inevent = inputdev->GetEventValue((SCA_IInputDevice::KX_EnumInputs) i);
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switch (inevent.m_status)
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{
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case SCA_InputEvent::KX_JUSTACTIVATED:
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justactivated = true;
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break;
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case SCA_InputEvent::KX_JUSTRELEASED:
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justreleased = true;
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break;
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case SCA_InputEvent::KX_ACTIVE:
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active = true;
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break;
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case SCA_InputEvent::KX_NO_INPUTSTATUS:
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/* do nothing */
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break;
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}
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}
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if (justactivated)
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{
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m_val=1;
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result = true;
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} else
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{
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if (justreleased)
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{
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m_val=(active)?1:0;
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result = true;
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} else
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{
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if (active)
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{
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if (m_val == 0)
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{
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m_val = 1;
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if (m_level) {
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result = true;
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}
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}
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} else
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{
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if (m_val == 1)
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{
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m_val = 0;
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result = true;
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}
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}
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}
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if (m_tap)
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// special case for tap mode: only generate event for new activation
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result = false;
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}
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} else
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{
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// cerr << "======= SCA_KeyboardSensor::Evaluate:: peeking at key status" << endl;
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const SCA_InputEvent & inevent = inputdev->GetEventValue(
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(SCA_IInputDevice::KX_EnumInputs) m_hotkey);
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// cerr << "======= SCA_KeyboardSensor::Evaluate:: status: " << inevent.m_status << endl;
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/* Check qualifier keys
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* - see if the qualifiers we request are pressed - 'qual' true/false
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* - see if the qualifiers we request changed their state - 'qual_change' true/false
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*/
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if (m_qual > 0) {
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const SCA_InputEvent & qualevent = inputdev->GetEventValue((SCA_IInputDevice::KX_EnumInputs) m_qual);
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switch (qualevent.m_status) {
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case SCA_InputEvent::KX_NO_INPUTSTATUS:
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qual = false;
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break;
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case SCA_InputEvent::KX_JUSTRELEASED:
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qual_change = true;
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qual = false;
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break;
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case SCA_InputEvent::KX_JUSTACTIVATED:
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qual_change = true;
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case SCA_InputEvent::KX_ACTIVE:
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/* do nothing */
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break;
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}
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}
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if (m_qual2 > 0 && qual==true) {
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const SCA_InputEvent & qualevent = inputdev->GetEventValue((SCA_IInputDevice::KX_EnumInputs) m_qual2);
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/* copy of above */
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switch (qualevent.m_status) {
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case SCA_InputEvent::KX_NO_INPUTSTATUS:
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qual = false;
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break;
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case SCA_InputEvent::KX_JUSTRELEASED:
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qual_change = true;
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qual = false;
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break;
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case SCA_InputEvent::KX_JUSTACTIVATED:
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qual_change = true;
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case SCA_InputEvent::KX_ACTIVE:
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/* do nothing */
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break;
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}
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}
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/* done reading qualifiers */
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if (inevent.m_status == SCA_InputEvent::KX_NO_INPUTSTATUS)
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{
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if (m_val == 1)
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{
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// this situation may occur after a scene suspend: the keyboard release
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// event was not captured, produce now the event off
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m_val = 0;
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result = true;
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}
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} else
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{
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if (inevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED)
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{
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m_val=1;
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result = true;
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} else
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{
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if (inevent.m_status == SCA_InputEvent::KX_JUSTRELEASED)
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{
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m_val = 0;
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result = true;
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} else
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{
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if (inevent.m_status == SCA_InputEvent::KX_ACTIVE)
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{
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if (m_val == 0)
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{
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m_val = 1;
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if (m_level)
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{
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result = true;
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}
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}
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}
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}
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}
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}
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/* Modify the key state based on qual(s)
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* Tested carefully. don't touch unless your really sure.
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* note, this will only change the results if key modifiers are set.
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*
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* When all modifiers and keys are positive
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* - pulse true
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*
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* When ANY of the modifiers or main key become inactive,
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* - pulse false
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*/
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if (qual==false) { /* one of the qualifiers are not pressed */
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if (m_val_orig && qual_change) { /* we were originally enabled, but a qualifier changed */
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result = true;
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} else {
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result = false;
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}
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m_val = 0; /* since one of the qualifiers is not on, set the state to false */
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} else { /* we done have any qualifiers or they are all pressed */
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if (m_val && qual_change) { /* the main key state is true and our qualifier just changed */
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result = true;
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}
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}
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/* done with key quals */
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}
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if (reset)
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// force an event
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result = true;
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return result;
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}
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void SCA_KeyboardSensor::AddToTargetProp(int keyIndex)
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{
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if (IsPrintable(keyIndex)) {
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CValue* tprop = GetParent()->GetProperty(m_targetprop);
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if (tprop) {
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/* overwrite the old property */
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if (IsDelete(keyIndex)) {
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/* strip one char, if possible */
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STR_String newprop = tprop->GetText();
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int oldlength = newprop.Length();
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if (oldlength >= 1 ) {
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int newlength=oldlength;
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BLI_str_cursor_step_prev_utf8(newprop, newprop.Length(), &newlength);
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newprop.SetLength(newlength);
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CStringValue * newstringprop = new CStringValue(newprop, m_targetprop);
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GetParent()->SetProperty(m_targetprop, newstringprop);
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newstringprop->Release();
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}
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} else {
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/* append */
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char pchar = ToCharacter(keyIndex, IsShifted());
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STR_String newprop = tprop->GetText() + pchar;
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CStringValue * newstringprop = new CStringValue(newprop, m_targetprop);
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GetParent()->SetProperty(m_targetprop, newstringprop);
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newstringprop->Release();
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}
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} else {
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if (!IsDelete(keyIndex)) {
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/* Make a new property. Deletes can be ignored. */
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char pchar = ToCharacter(keyIndex, IsShifted());
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STR_String newprop = pchar;
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CStringValue * newstringprop = new CStringValue(newprop, m_targetprop);
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GetParent()->SetProperty(m_targetprop, newstringprop);
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newstringprop->Release();
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}
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}
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}
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}
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/**
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* Tests whether shift is pressed
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*/
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bool SCA_KeyboardSensor::IsShifted(void)
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{
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SCA_IInputDevice* inputdev = ((SCA_KeyboardManager *)m_eventmgr)->GetInputDevice();
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if ( (inputdev->GetEventValue(SCA_IInputDevice::KX_RIGHTSHIFTKEY).m_status
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== SCA_InputEvent::KX_ACTIVE)
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|| (inputdev->GetEventValue(SCA_IInputDevice::KX_RIGHTSHIFTKEY).m_status
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== SCA_InputEvent::KX_JUSTACTIVATED)
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|| (inputdev->GetEventValue(SCA_IInputDevice::KX_LEFTSHIFTKEY).m_status
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== SCA_InputEvent::KX_ACTIVE)
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|| (inputdev->GetEventValue(SCA_IInputDevice::KX_LEFTSHIFTKEY).m_status
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== SCA_InputEvent::KX_JUSTACTIVATED)
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) {
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return true;
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}
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else {
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return false;
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}
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}
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void SCA_KeyboardSensor::LogKeystrokes(void)
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{
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SCA_IInputDevice* inputdev = ((SCA_KeyboardManager *)m_eventmgr)->GetInputDevice();
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int num = inputdev->GetNumActiveEvents();
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/* weird loop, this one... */
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if (num > 0)
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{
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int index = 0;
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/* Check on all keys whether they were pushed. This does not
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* untangle the ordering, so don't type too fast :) */
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for (int i=SCA_IInputDevice::KX_BEGINKEY ; i<= SCA_IInputDevice::KX_ENDKEY;i++)
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{
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const SCA_InputEvent & inevent = inputdev->GetEventValue((SCA_IInputDevice::KX_EnumInputs) i);
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if (inevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED) //NO_INPUTSTATUS)
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{
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if (index < num)
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{
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AddToTargetProp(i);
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index++;
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}
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}
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}
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}
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}
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#ifdef WITH_PYTHON
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/* ------------------------------------------------------------------------- */
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/* Python Functions */
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/* ------------------------------------------------------------------------- */
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KX_PYMETHODDEF_DOC_O(SCA_KeyboardSensor, getKeyStatus,
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"getKeyStatus(keycode)\n"
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"\tGet the given key's status (KX_NO_INPUTSTATUS, KX_JUSTACTIVATED, KX_ACTIVE or KX_JUSTRELEASED).\n")
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{
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if (!PyLong_Check(value)) {
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PyErr_SetString(PyExc_ValueError, "sensor.getKeyStatus(int): Keyboard Sensor, expected an int");
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return NULL;
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}
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SCA_IInputDevice::KX_EnumInputs keycode = (SCA_IInputDevice::KX_EnumInputs)PyLong_AsLong(value);
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if ((keycode < SCA_IInputDevice::KX_BEGINKEY) ||
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(keycode > SCA_IInputDevice::KX_ENDKEY))
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{
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PyErr_SetString(PyExc_AttributeError, "sensor.getKeyStatus(int): Keyboard Sensor, invalid keycode specified!");
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return NULL;
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}
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SCA_IInputDevice* inputdev = ((SCA_KeyboardManager *)m_eventmgr)->GetInputDevice();
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const SCA_InputEvent & inevent = inputdev->GetEventValue(keycode);
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return PyLong_FromLong(inevent.m_status);
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}
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/* ------------------------------------------------------------------------- */
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/* Python Integration Hooks */
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/* ------------------------------------------------------------------------- */
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PyTypeObject SCA_KeyboardSensor::Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"SCA_KeyboardSensor",
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sizeof(PyObjectPlus_Proxy),
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0,
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py_base_dealloc,
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0,
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0,
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0,
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0,
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py_base_repr,
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0,0,0,0,0,0,0,0,0,
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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0,0,0,0,0,0,0,
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Methods,
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0,
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0,
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&SCA_ISensor::Type,
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0,0,0,0,0,0,
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py_base_new
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};
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PyMethodDef SCA_KeyboardSensor::Methods[] = {
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KX_PYMETHODTABLE_O(SCA_KeyboardSensor, getKeyStatus),
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{NULL,NULL} //Sentinel
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};
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PyAttributeDef SCA_KeyboardSensor::Attributes[] = {
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KX_PYATTRIBUTE_RO_FUNCTION("events", SCA_KeyboardSensor, pyattr_get_events),
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KX_PYATTRIBUTE_BOOL_RW("useAllKeys",SCA_KeyboardSensor,m_bAllKeys),
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KX_PYATTRIBUTE_INT_RW("key",0,SCA_IInputDevice::KX_ENDKEY,true,SCA_KeyboardSensor,m_hotkey),
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KX_PYATTRIBUTE_SHORT_RW("hold1",0,SCA_IInputDevice::KX_ENDKEY,true,SCA_KeyboardSensor,m_qual),
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KX_PYATTRIBUTE_SHORT_RW("hold2",0,SCA_IInputDevice::KX_ENDKEY,true,SCA_KeyboardSensor,m_qual2),
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KX_PYATTRIBUTE_STRING_RW("toggleProperty",0,MAX_PROP_NAME,false,SCA_KeyboardSensor,m_toggleprop),
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KX_PYATTRIBUTE_STRING_RW("targetProperty",0,MAX_PROP_NAME,false,SCA_KeyboardSensor,m_targetprop),
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{ NULL } //Sentinel
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};
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PyObject *SCA_KeyboardSensor::pyattr_get_events(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
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{
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SCA_KeyboardSensor* self = static_cast<SCA_KeyboardSensor*>(self_v);
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SCA_IInputDevice* inputdev = ((SCA_KeyboardManager *)self->m_eventmgr)->GetInputDevice();
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PyObject *resultlist = PyList_New(0);
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for (int i=SCA_IInputDevice::KX_BEGINKEY ; i<= SCA_IInputDevice::KX_ENDKEY;i++)
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{
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const SCA_InputEvent & inevent = inputdev->GetEventValue((SCA_IInputDevice::KX_EnumInputs) i);
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if (inevent.m_status != SCA_InputEvent::KX_NO_INPUTSTATUS)
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{
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PyObject *keypair = PyList_New(2);
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PyList_SET_ITEM(keypair,0,PyLong_FromLong(i));
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PyList_SET_ITEM(keypair,1,PyLong_FromLong(inevent.m_status));
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PyList_Append(resultlist,keypair);
|
|
}
|
|
}
|
|
return resultlist;
|
|
}
|
|
|
|
#endif // WITH_PYTHON
|
|
|
|
/* Accessed from python */
|
|
|
|
// this code looks ugly, please use an ordinary hashtable
|
|
|
|
char ToCharacter(int keyIndex, bool shifted)
|
|
{
|
|
/* numerals */
|
|
if ( (keyIndex >= SCA_IInputDevice::KX_ZEROKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_NINEKEY) ) {
|
|
if (shifted) {
|
|
char numshift[] = ")!@#$%^&*(";
|
|
return numshift[keyIndex - '0'];
|
|
} else {
|
|
return keyIndex - SCA_IInputDevice::KX_ZEROKEY + '0';
|
|
}
|
|
}
|
|
|
|
/* letters... always lowercase... is that desirable? */
|
|
if ( (keyIndex >= SCA_IInputDevice::KX_AKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_ZKEY) ) {
|
|
if (shifted) {
|
|
return keyIndex - SCA_IInputDevice::KX_AKEY + 'A';
|
|
} else {
|
|
return keyIndex - SCA_IInputDevice::KX_AKEY + 'a';
|
|
}
|
|
}
|
|
|
|
if (keyIndex == SCA_IInputDevice::KX_SPACEKEY) {
|
|
return ' ';
|
|
}
|
|
if (keyIndex == SCA_IInputDevice::KX_RETKEY || keyIndex == SCA_IInputDevice::KX_PADENTER) {
|
|
return '\n';
|
|
}
|
|
|
|
|
|
if (keyIndex == SCA_IInputDevice::KX_PADASTERKEY) {
|
|
return '*';
|
|
}
|
|
|
|
if (keyIndex == SCA_IInputDevice::KX_TABKEY) {
|
|
return '\t';
|
|
}
|
|
|
|
/* comma to period */
|
|
char commatoperiod[] = ",-.";
|
|
char commatoperiodshifted[] = "<_>";
|
|
if (keyIndex == SCA_IInputDevice::KX_COMMAKEY) {
|
|
if (shifted) {
|
|
return commatoperiodshifted[0];
|
|
} else {
|
|
return commatoperiod[0];
|
|
}
|
|
}
|
|
if (keyIndex == SCA_IInputDevice::KX_MINUSKEY) {
|
|
if (shifted) {
|
|
return commatoperiodshifted[1];
|
|
} else {
|
|
return commatoperiod[1];
|
|
}
|
|
}
|
|
if (keyIndex == SCA_IInputDevice::KX_PERIODKEY) {
|
|
if (shifted) {
|
|
return commatoperiodshifted[2];
|
|
} else {
|
|
return commatoperiod[2];
|
|
}
|
|
}
|
|
|
|
/* semicolon to rightbracket */
|
|
char semicolontorightbracket[] = ";\'`/\\=[]";
|
|
char semicolontorightbracketshifted[] = ":\"~\?|+{}";
|
|
if ((keyIndex >= SCA_IInputDevice::KX_SEMICOLONKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_RIGHTBRACKETKEY)) {
|
|
if (shifted) {
|
|
return semicolontorightbracketshifted[keyIndex - SCA_IInputDevice::KX_SEMICOLONKEY];
|
|
} else {
|
|
return semicolontorightbracket[keyIndex - SCA_IInputDevice::KX_SEMICOLONKEY];
|
|
}
|
|
}
|
|
|
|
/* keypad2 to padplus */
|
|
char pad2topadplus[] = "246813579. 0- +";
|
|
if ((keyIndex >= SCA_IInputDevice::KX_PAD2)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_PADPLUSKEY)) {
|
|
return pad2topadplus[keyIndex - SCA_IInputDevice::KX_PAD2];
|
|
}
|
|
|
|
return '!';
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Determine whether this character can be printed. We cannot use
|
|
* the library functions here, because we need to test our own
|
|
* keycodes. */
|
|
bool IsPrintable(int keyIndex)
|
|
{
|
|
/* only print
|
|
* - numerals: KX_ZEROKEY to KX_NINEKEY
|
|
* - alphas: KX_AKEY to KX_ZKEY.
|
|
* - specials: KX_RETKEY, KX_PADASTERKEY, KX_PADCOMMAKEY to KX_PERIODKEY,
|
|
* KX_TABKEY, KX_SEMICOLONKEY to KX_RIGHTBRACKETKEY,
|
|
* KX_PAD2 to KX_PADPLUSKEY
|
|
* - delete and backspace: also printable in the sense that they modify
|
|
* the string
|
|
* - retkey: should this be printable?
|
|
* - virgule: prints a space... don't know which key that's supposed
|
|
* to be...
|
|
*/
|
|
if ( ((keyIndex >= SCA_IInputDevice::KX_ZEROKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_NINEKEY))
|
|
|| ((keyIndex >= SCA_IInputDevice::KX_AKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_ZKEY))
|
|
|| (keyIndex == SCA_IInputDevice::KX_SPACEKEY)
|
|
|| (keyIndex == SCA_IInputDevice::KX_RETKEY)
|
|
|| (keyIndex == SCA_IInputDevice::KX_PADENTER)
|
|
|| (keyIndex == SCA_IInputDevice::KX_PADASTERKEY)
|
|
|| (keyIndex == SCA_IInputDevice::KX_TABKEY)
|
|
|| ((keyIndex >= SCA_IInputDevice::KX_COMMAKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_PERIODKEY))
|
|
|| ((keyIndex >= SCA_IInputDevice::KX_SEMICOLONKEY)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_RIGHTBRACKETKEY))
|
|
|| ((keyIndex >= SCA_IInputDevice::KX_PAD2)
|
|
&& (keyIndex <= SCA_IInputDevice::KX_PADPLUSKEY))
|
|
|| (keyIndex == SCA_IInputDevice::KX_DELKEY)
|
|
|| (keyIndex == SCA_IInputDevice::KX_BACKSPACEKEY)
|
|
)
|
|
{
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Tests whether this is a delete key.
|
|
*/
|
|
bool IsDelete(int keyIndex)
|
|
{
|
|
if ( (keyIndex == SCA_IInputDevice::KX_DELKEY)
|
|
|| (keyIndex == SCA_IInputDevice::KX_BACKSPACEKEY) ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|