stk-code_catmod/lib/irrlicht/source/Irrlicht/CIrrDeviceAndroid.cpp
2021-10-04 13:01:00 +08:00

315 lines
9.2 KiB
C++

// Copyright (C) 2002-2007 Nikolaus Gebhardt
// Copyright (C) 2007-2011 Christian Stehno
// Copyright (C) 2016-2017 Dawid Gan
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifdef ANDROID
#include <irrString.h>
#include <atomic>
#include <jni.h>
#include <SDL_system.h>
#include <string>
#include <vector>
#include "../../../../src/utils/utf8/unchecked.h"
#include "../../../../src/guiengine/message_queue.hpp"
using namespace irr;
// Call when android keyboard is opened or close, and save its height for
// moving screen
std::atomic<int> g_disable_padding(0);
extern "C" int Android_getKeyboardHeight()
{
JNIEnv* env = NULL;
jobject activity = NULL;
jclass class_native_activity = NULL;
jmethodID method = NULL;
jint keyboard_height = 0;
env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
goto exit;
activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
goto exit;
class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
goto exit;
method = env->GetMethodID(class_native_activity, "getKeyboardHeight", "()I");
if (method == NULL)
goto exit;
keyboard_height = env->CallIntMethod(activity, method);
exit:
if (!env)
return 0;
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return keyboard_height;
}
extern "C" int Android_getMovedHeight()
{
JNIEnv* env = NULL;
jobject activity = NULL;
jclass class_native_activity = NULL;
jmethodID method = NULL;
jint moved_height = 0;
env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
goto exit;
activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
goto exit;
class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
goto exit;
method = env->GetMethodID(class_native_activity, "getMovedHeight", "()I");
if (method == NULL)
goto exit;
moved_height = env->CallIntMethod(activity, method);
exit:
if (!env)
return 0;
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return moved_height;
}
extern "C" int Android_disablePadding()
{
return g_disable_padding.load();
}
extern "C" JNIEXPORT void JNICALL debugMsg(JNIEnv* env, jclass cls, jstring msg)
{
if (msg == NULL)
return;
const uint16_t* utf16_text =
(const uint16_t*)env->GetStringChars(msg, NULL);
if (utf16_text == NULL)
return;
const size_t str_len = env->GetStringLength(msg);
std::u32string tmp;
utf8::unchecked::utf16to32(
utf16_text, utf16_text + str_len, std::back_inserter(tmp));
env->ReleaseStringChars(msg, utf16_text);
core::stringw message = (wchar_t*)tmp.c_str();
MessageQueue::add(MessageQueue::MT_GENERIC, message);
}
extern "C" JNIEXPORT void JNICALL handlePadding(JNIEnv* env, jclass cls, jboolean val)
{
g_disable_padding.store((int)val);
}
extern "C" void Android_initDisplayCutout(float* top, float* bottom,
float* left, float* right,
int* initial_orientation)
{
JNIEnv* env = NULL;
jobject activity = NULL;
jclass class_native_activity = NULL;
jmethodID top_method = NULL;
jmethodID bottom_method = NULL;
jmethodID left_method = NULL;
jmethodID right_method = NULL;
jmethodID initial_orientation_method = NULL;
env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
goto exit;
activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
goto exit;
class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
goto exit;
top_method = env->GetMethodID(class_native_activity, "getTopPadding", "()F");
if (top_method == NULL)
goto exit;
*top = env->CallFloatMethod(activity, top_method);
bottom_method = env->GetMethodID(class_native_activity, "getBottomPadding", "()F");
if (bottom_method == NULL)
goto exit;
*bottom = env->CallFloatMethod(activity, bottom_method);
left_method = env->GetMethodID(class_native_activity, "getLeftPadding", "()F");
if (left_method == NULL)
goto exit;
*left = env->CallFloatMethod(activity, left_method);
right_method = env->GetMethodID(class_native_activity, "getRightPadding", "()F");
if (right_method == NULL)
goto exit;
*right = env->CallFloatMethod(activity, right_method);
initial_orientation_method = env->GetMethodID(class_native_activity, "getInitialOrientation", "()I");
if (initial_orientation_method == NULL)
goto exit;
*initial_orientation = env->CallIntMethod(activity, initial_orientation_method);
exit:
if (!env)
return;
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
}
bool Android_isHardwareKeyboardConnected()
{
JNIEnv* env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
{
return false;
}
jobject activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
{
return false;
}
jclass class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
{
env->DeleteLocalRef(activity);
return false;
}
jmethodID method_id = env->GetMethodID(class_native_activity, "isHardwareKeyboardConnected", "()Z");
if (method_id == NULL)
{
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return false;
}
bool ret = env->CallBooleanMethod(activity, method_id);
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return ret;
}
void Android_toggleOnScreenKeyboard(bool show, int type, int y)
{
JNIEnv* env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
{
return;
}
jobject activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
{
return;
}
jclass class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
{
env->DeleteLocalRef(activity);
return;
}
jmethodID method_id = NULL;
if (show)
method_id = env->GetMethodID(class_native_activity, "showKeyboard", "(II)V");
else
method_id = env->GetMethodID(class_native_activity, "hideKeyboard", "(Z)V");
if (method_id == NULL)
{
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return;
}
if (show)
env->CallVoidMethod(activity, method_id, (jint)type, (jint)y);
else
env->CallVoidMethod(activity, method_id, (jboolean)(type != 0));
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
}
void Android_fromSTKEditBox(int widget_id, const core::stringw& text, int selection_start, int selection_end, int type)
{
JNIEnv* env = (JNIEnv*)SDL_AndroidGetJNIEnv();
if (!env)
{
return;
}
jobject activity = (jobject)SDL_AndroidGetActivity();
if (!activity)
{
return;
}
jclass class_native_activity = env->GetObjectClass(activity);
if (class_native_activity == NULL)
{
env->DeleteLocalRef(activity);
return;
}
jmethodID method_id = env->GetMethodID(class_native_activity, "fromSTKEditBox", "(ILjava/lang/String;III)V");
if (method_id == NULL)
{
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
return;
}
// Android use 32bit wchar_t and java use utf16 string
// We should not use the modified utf8 from java as it fails for emoji
// because it's larger than 16bit
std::vector<uint16_t> utf16;
// Use utf32 for emoji later
static_assert(sizeof(wchar_t) == sizeof(uint32_t), "wchar_t is not 32bit");
const uint32_t* chars = (const uint32_t*)text.c_str();
utf8::unchecked::utf32to16(chars, chars + text.size(), back_inserter(utf16));
std::vector<int> mappings;
int pos = 0;
mappings.push_back(pos++);
for (unsigned i = 0; i < utf16.size(); i++)
{
if (utf8::internal::is_lead_surrogate(utf16[i]))
{
pos++;
mappings.push_back(pos++);
i++;
}
else
mappings.push_back(pos++);
}
// Correct start / end position for utf16
if (selection_start < (int)mappings.size())
selection_start = mappings[selection_start];
if (selection_end < (int)mappings.size())
selection_end = mappings[selection_end];
jstring jstring_text = env->NewString((const jchar*)utf16.data(), utf16.size());
env->CallVoidMethod(activity, method_id, (jint)widget_id, jstring_text, (jint)selection_start, (jint)selection_end, (jint)type);
env->DeleteLocalRef(jstring_text);
env->DeleteLocalRef(class_native_activity);
env->DeleteLocalRef(activity);
}
#endif