nuttx-apps/graphics/nxwidgets/src/cwindoweventhandlerlist.cxx
2023-05-02 13:41:53 +08:00

162 lines
4.3 KiB
C++

/****************************************************************************
* apps/graphics/nxwidgets/src/cwindoweventhandlerlist.cxx
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include "graphics/nxwidgets/nxconfig.hxx"
#include "graphics/nxwidgets/cwindoweventhandler.hxx"
#include "graphics/nxwidgets/cwindoweventhandlerlist.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Adds a window event handler. The event handler will receive
* all events raised by this object.
* @param eventHandler A pointer to the event handler.
*/
void CWindowEventHandlerList::addWindowEventHandler(CWindowEventHandler *eventHandler)
{
// Make sure that the event handler does not already exist
int index;
if (!findWindowEventHandler(eventHandler, index))
{
// Add the new handler
m_eventHandlers.push_back(eventHandler);
}
}
/**
* Remove a window event handler.
*
* @param eventHandler A pointer to the event handler to remove.
*/
void CWindowEventHandlerList::removeWindowEventHandler(CWindowEventHandler *eventHandler)
{
// Find the event handler to be removed
int index;
if (findWindowEventHandler(eventHandler, index))
{
// and remove it
m_eventHandlers.erase(index);
}
}
/**
* Return the index to the window event handler.
*/
bool CWindowEventHandlerList::findWindowEventHandler(CWindowEventHandler *eventHandler, int &index)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
if (m_eventHandlers.at(i) == eventHandler)
{
index = i;
return true;
}
}
return false;
}
/**
* Raise the NX window redraw event.
*/
void CWindowEventHandlerList::raiseRedrawEvent(FAR const struct nxgl_rect_s *nxRect, bool more)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
m_eventHandlers.at(i)->handleRedrawEvent(nxRect, more);
}
}
/**
* Raise an NX window position/size change event.
*/
void CWindowEventHandlerList::raiseGeometryEvent(void)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
m_eventHandlers.at(i)->handleGeometryEvent();
}
}
#ifdef CONFIG_NX_XYINPUT
/**
* Raise an NX mouse window input event.
*/
void CWindowEventHandlerList::raiseMouseEvent(FAR const struct nxgl_point_s *pos,
uint8_t buttons)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
m_eventHandlers.at(i)->handleMouseEvent(pos, buttons);
}
}
#endif
#ifdef CONFIG_NX_KBD
/**
* Raise an NX keyboard input event
*/
void CWindowEventHandlerList::raiseKeyboardEvent(void)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
m_eventHandlers.at(i)->handleKeyboardEvent();
}
}
#endif
/**
* Raise an NX window blocked event.
*
* @param arg - User provided argument (see nx_block or nxtk_block)
*/
void CWindowEventHandlerList::raiseBlockedEvent(FAR void *arg)
{
for (int i = 0; i < m_eventHandlers.size(); ++i)
{
m_eventHandlers.at(i)->handleBlockedEvent(arg);
}
}