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keyboard_input_x11.cpp
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keyboard_input_x11.cpp
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#include "keyboard_input_x11.hpp"
#include "logger.hpp"
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <memory>
#include <functional>
#include <unistd.h>
#include <cstring>
namespace vkBasalt
{
uint32_t convertToKeySymX11(std::string key)
{
// TODO what if X11 isn't loaded?
uint32_t result = (uint32_t) XStringToKeysym(key.c_str());
if (!result)
{
Logger::err("invalid key");
}
return result;
}
bool isKeyPressedX11(uint32_t ks)
{
static int usesX11 = -1;
static std::unique_ptr<Display, std::function<void(Display*)>> display;
if (usesX11 < 0)
{
const char* disVar = getenv("DISPLAY");
if (!disVar || !std::strcmp(disVar, ""))
{
usesX11 = 0;
Logger::debug("no X11 support");
}
else
{
display = std::unique_ptr<Display, std::function<void(Display*)>>(XOpenDisplay(disVar), [](Display* d) { XCloseDisplay(d); });
usesX11 = 1;
Logger::debug("X11 support");
}
}
if (!usesX11)
{
return false;
}
char keys_return[32];
XQueryKeymap(display.get(), keys_return);
KeyCode kc2 = XKeysymToKeycode(display.get(), (KeySym) ks);
return !!(keys_return[kc2 >> 3] & (1 << (kc2 & 7)));
}
} // namespace vkBasalt