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vcmi/client/renderSDL/CursorHardware.cpp
2023-02-03 11:39:40 +02:00

87 lines
1.7 KiB
C++

/*
* CursorHardware.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "CursorHardware.h"
#include "../render/Colors.h"
#include "../render/IImage.h"
#include "SDL_Extensions.h"
#include <SDL_render.h>
#include <SDL_events.h>
#ifdef VCMI_APPLE
#include <dispatch/dispatch.h>
#endif
CursorHardware::CursorHardware():
cursor(nullptr)
{
SDL_ShowCursor(SDL_DISABLE);
}
CursorHardware::~CursorHardware()
{
if(cursor)
SDL_FreeCursor(cursor);
}
void CursorHardware::setVisible(bool on)
{
#ifdef VCMI_APPLE
dispatch_async(dispatch_get_main_queue(), ^{
#endif
if (on)
SDL_ShowCursor(SDL_ENABLE);
else
SDL_ShowCursor(SDL_DISABLE);
#ifdef VCMI_APPLE
});
#endif
}
void CursorHardware::setImage(std::shared_ptr<IImage> image, const Point & pivotOffset)
{
auto cursorSurface = CSDL_Ext::newSurface(image->dimensions().x, image->dimensions().y);
CSDL_Ext::fillSurface(cursorSurface, Colors::TRANSPARENCY);
image->draw(cursorSurface);
auto oldCursor = cursor;
cursor = SDL_CreateColorCursor(cursorSurface, pivotOffset.x, pivotOffset.y);
if (!cursor)
logGlobal->error("Failed to set cursor! SDL says %s", SDL_GetError());
SDL_FreeSurface(cursorSurface);
#ifdef VCMI_APPLE
dispatch_async(dispatch_get_main_queue(), ^{
#endif
SDL_SetCursor(cursor);
if (oldCursor)
SDL_FreeCursor(oldCursor);
#ifdef VCMI_APPLE
});
#endif
}
void CursorHardware::setCursorPosition( const Point & newPos )
{
//no-op
}
void CursorHardware::render()
{
//no-op
}