TouchScreenGUI: update and cleanup

This commit is contained in:
Maksim 2020-06-03 18:14:35 +02:00
parent 46f99ec01c
commit c3dd4c934a
2 changed files with 111 additions and 103 deletions

View File

@ -1,6 +1,6 @@
/* /*
Copyright (C) 2014 sapier Copyright (C) 2014 sapier
Copyright (C) 2014-2019 Maksim Gamarnik [MoNTE48] MoNTE48@mail.ua Copyright (C) 2014-2020 Maksim Gamarnik [MoNTE48] MoNTE48@mail.ua
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by it under the terms of the GNU Lesser General Public License as published by
@ -29,7 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
using namespace irr::core; using namespace irr::core;
const char *touchgui_button_imagenames[][2] = { const char *button_imagenames[][2] = {
{"up_one_btn.png", "up_one_press.png"}, {"up_one_btn.png", "up_one_press.png"},
{"up_two_btn.png","up_two_press.png"}, {"up_two_btn.png","up_two_press.png"},
{"up_three_btn.png", "up_three_press.png"}, {"up_three_btn.png", "up_three_press.png"},
@ -52,24 +52,17 @@ const char *touchgui_button_imagenames[][2] = {
// {"fast_btn.png"} // {"fast_btn.png"}
}; };
static irr::EKEY_CODE id2keycode(touch_gui_button_id id) { static irr::EKEY_CODE id2keycode(touch_gui_button_id id)
{
std::string key = ""; std::string key = "";
switch (id) { switch (id) {
case forward_one: case forward_one:
key = "forward";
break;
case forward_two: case forward_two:
key = "forward";
break;
case forward_three: case forward_three:
key = "forward"; key = "forward";
break; break;
case backward_one: case backward_one:
key = "backward";
break;
case backward_two: case backward_two:
key = "backward";
break;
case backward_three: case backward_three:
key = "backward"; key = "backward";
break; break;
@ -124,11 +117,12 @@ static irr::EKEY_CODE id2keycode(touch_gui_button_id id) {
TouchScreenGUI *g_touchscreengui; TouchScreenGUI *g_touchscreengui;
static void load_button_texture(button_info *btn, touch_gui_button_id id, static void load_button_texture(button_info *btn, touch_gui_button_id id,
rect<s32> button_rect, ISimpleTextureSource *tsrc, const rect<s32> &button_rect, ISimpleTextureSource *tsrc,
video::IVideoDriver *driver) { video::IVideoDriver *driver)
{
const char *path = touchgui_button_imagenames[id][0]; const char *path = button_imagenames[id][0];
const char *path_pressed = (touchgui_button_imagenames[id][1]) ? touchgui_button_imagenames[id][1] : path; const char *path_pressed = button_imagenames[id][1] ? button_imagenames[id][1] : path;
unsigned int tid; unsigned int tid;
video::ITexture *texture = guiScalingImageButton(driver, video::ITexture *texture = guiScalingImageButton(driver,
@ -142,7 +136,7 @@ static void load_button_texture(button_info *btn, touch_gui_button_id id,
tsrc->getTexture(path_pressed, &tid), tsrc->getTexture(path_pressed, &tid),
button_rect.getWidth(), button_rect.getWidth(),
button_rect.getHeight()); button_rect.getHeight());
texture_pressed = (texture_pressed) ? texture_pressed : texture; texture_pressed = texture_pressed ? texture_pressed : texture;
} }
if (texture) { if (texture) {
@ -172,20 +166,21 @@ TouchScreenGUI::TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver)
m_receiver(receiver), m_receiver(receiver),
m_move_has_really_moved(false), m_move_has_really_moved(false),
m_move_downtime(0), m_move_downtime(0),
m_move_sent_as_mouse_event(false), m_move_sent_as_mouse_event(false)
// use some downlocation way off screen as init value to avoid invalid behaviour {
m_move_downlocation(v2s32(-10000, -10000)) { for (auto & m_button : m_buttons) {
for (unsigned int i = 0; i < after_last_element_id; i++) { m_button.guibutton = nullptr;
m_buttons[i].guibutton = 0; m_button.repeatcounter = -1;
m_buttons[i].repeatcounter = -1; m_button.repeatdelay = BUTTON_REPEAT_DELAY;
m_buttons[i].repeatdelay = BUTTON_REPEAT_DELAY;
} }
m_touchscreen_threshold = g_settings->getU16("touchscreen_threshold");
m_screensize = m_device->getVideoDriver()->getScreenSize(); m_screensize = m_device->getVideoDriver()->getScreenSize();
} }
void TouchScreenGUI::initButton(touch_gui_button_id id, rect<s32> button_rect, void TouchScreenGUI::initButton(touch_gui_button_id id, const rect<s32> &button_rect,
std::wstring caption, bool immediate_release, float repeat_delay) { const std::wstring &caption, bool immediate_release, float repeat_delay)
{
button_info *btn = &m_buttons[id]; button_info *btn = &m_buttons[id];
btn->guibutton = m_guienv->addButton(button_rect, nullptr, id, caption.c_str()); btn->guibutton = m_guienv->addButton(button_rect, nullptr, id, caption.c_str());
@ -200,7 +195,8 @@ void TouchScreenGUI::initButton(touch_gui_button_id id, rect<s32> button_rect,
m_texturesource, m_device->getVideoDriver()); m_texturesource, m_device->getVideoDriver());
} }
void TouchScreenGUI::init(ISimpleTextureSource *tsrc) { void TouchScreenGUI::init(ISimpleTextureSource *tsrc)
{
assert(tsrc != nullptr); assert(tsrc != nullptr);
float density = porting::getDisplayDensity() * g_settings->getFloat("hud_scaling"); float density = porting::getDisplayDensity() * g_settings->getFloat("hud_scaling");
@ -373,7 +369,8 @@ void TouchScreenGUI::init(ISimpleTextureSource *tsrc) {
L"fast", false, SLOW_BUTTON_REPEAT); */ L"fast", false, SLOW_BUTTON_REPEAT); */
} }
touch_gui_button_id TouchScreenGUI::getButtonID(s32 x, s32 y) { touch_gui_button_id TouchScreenGUI::getButtonID(s32 x, s32 y)
{
IGUIElement *rootguielement = m_guienv->getRootGUIElement(); IGUIElement *rootguielement = m_guienv->getRootGUIElement();
if (rootguielement != nullptr) { if (rootguielement != nullptr) {
@ -390,12 +387,12 @@ touch_gui_button_id TouchScreenGUI::getButtonID(s32 x, s32 y) {
return after_last_element_id; return after_last_element_id;
} }
touch_gui_button_id TouchScreenGUI::getButtonID(size_t eventID) { touch_gui_button_id TouchScreenGUI::getButtonID(size_t eventID)
{
for (unsigned int i = 0; i < after_last_element_id; i++) { for (unsigned int i = 0; i < after_last_element_id; i++) {
button_info *btn = &m_buttons[i]; button_info *btn = &m_buttons[i];
std::vector<size_t>::iterator id = auto id = std::find(btn->ids.begin(), btn->ids.end(), eventID);
std::find(btn->ids.begin(), btn->ids.end(), eventID);
if (id != btn->ids.end()) if (id != btn->ids.end())
return (touch_gui_button_id) i; return (touch_gui_button_id) i;
@ -404,19 +401,16 @@ touch_gui_button_id TouchScreenGUI::getButtonID(size_t eventID) {
return after_last_element_id; return after_last_element_id;
} }
bool TouchScreenGUI::isHUDButton(const SEvent &event) { bool TouchScreenGUI::isHUDButton(const SEvent &event)
{
// check if hud item is pressed // check if hud item is pressed
for (std::map<int,rect<s32> >::iterator iter = m_hud_rects.begin(); for (auto & m_hud_rect : m_hud_rects) {
iter != m_hud_rects.end(); ++iter) { if (m_hud_rect.second.isPointInside(v2s32(event.TouchInput.X,
if (iter->second.isPointInside( event.TouchInput.Y))) {
v2s32(event.TouchInput.X, auto *translated = new SEvent();
event.TouchInput.Y)
)) {
if (iter->first < 9) {
SEvent *translated = new SEvent();
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = irr::EET_KEY_INPUT_EVENT; translated->EventType = irr::EET_KEY_INPUT_EVENT;
translated->KeyInput.Key = (irr::EKEY_CODE) (KEY_KEY_1 + iter->first); translated->KeyInput.Key = (irr::EKEY_CODE) (KEY_KEY_1 + m_hud_rect.first);
translated->KeyInput.Control = false; translated->KeyInput.Control = false;
translated->KeyInput.Shift = false; translated->KeyInput.Shift = false;
translated->KeyInput.PressedDown = true; translated->KeyInput.PressedDown = true;
@ -426,14 +420,14 @@ bool TouchScreenGUI::isHUDButton(const SEvent &event) {
return true; return true;
} }
} }
}
return false; return false;
} }
void TouchScreenGUI::handleButtonEvent(touch_gui_button_id button, void TouchScreenGUI::handleButtonEvent(touch_gui_button_id button,
size_t eventID, bool action) { size_t eventID, bool action)
{
button_info *btn = &m_buttons[button]; button_info *btn = &m_buttons[button];
SEvent *translated = new SEvent(); auto *translated = new SEvent();
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = irr::EET_KEY_INPUT_EVENT; translated->EventType = irr::EET_KEY_INPUT_EVENT;
translated->KeyInput.Key = btn->keycode; translated->KeyInput.Key = btn->keycode;
@ -456,10 +450,10 @@ void TouchScreenGUI::handleButtonEvent(touch_gui_button_id button,
translated->KeyInput.Key = btn->keycode; translated->KeyInput.Key = btn->keycode;
m_receiver->OnEvent(*translated); m_receiver->OnEvent(*translated);
} }
// remove event // remove event
if (!action || btn->immediate_release) { if (!action || btn->immediate_release) {
std::vector<size_t>::iterator pos = auto pos = std::find(btn->ids.begin(), btn->ids.end(), eventID);
std::find(btn->ids.begin(),btn->ids.end(), eventID);
// has to be in touch list // has to be in touch list
assert(pos != btn->ids.end()); assert(pos != btn->ids.end());
btn->ids.erase(pos); btn->ids.erase(pos);
@ -475,7 +469,8 @@ void TouchScreenGUI::handleButtonEvent(touch_gui_button_id button,
delete translated; delete translated;
} }
void TouchScreenGUI::handleReleaseEvent(size_t evt_id) { void TouchScreenGUI::handleReleaseEvent(size_t evt_id)
{
touch_gui_button_id button = getButtonID(evt_id); touch_gui_button_id button = getButtonID(evt_id);
// handle button events // handle button events
@ -488,7 +483,7 @@ void TouchScreenGUI::handleReleaseEvent(size_t evt_id) {
// if this pointer issued a mouse event issue symmetric release here // if this pointer issued a mouse event issue symmetric release here
if (m_move_sent_as_mouse_event) { if (m_move_sent_as_mouse_event) {
SEvent *translated = new SEvent; auto *translated = new SEvent;
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = EET_MOUSE_INPUT_EVENT; translated->EventType = EET_MOUSE_INPUT_EVENT;
translated->MouseInput.X = m_move_downlocation.X; translated->MouseInput.X = m_move_downlocation.X;
@ -500,7 +495,7 @@ void TouchScreenGUI::handleReleaseEvent(size_t evt_id) {
m_receiver->OnEvent(*translated); m_receiver->OnEvent(*translated);
delete translated; delete translated;
} else if (!m_move_has_really_moved) { } else if (!m_move_has_really_moved) {
SEvent *translated = new SEvent; auto *translated = new SEvent;
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = EET_MOUSE_INPUT_EVENT; translated->EventType = EET_MOUSE_INPUT_EVENT;
translated->MouseInput.X = m_move_downlocation.X; translated->MouseInput.X = m_move_downlocation.X;
@ -520,7 +515,7 @@ void TouchScreenGUI::handleReleaseEvent(size_t evt_id) {
} }
} }
for (std::vector<id_status>::iterator iter = m_known_ids.begin(); for (auto iter = m_known_ids.begin();
iter != m_known_ids.end(); ++iter) { iter != m_known_ids.end(); ++iter) {
if (iter->id == evt_id) { if (iter->id == evt_id) {
m_known_ids.erase(iter); m_known_ids.erase(iter);
@ -534,11 +529,12 @@ void TouchScreenGUI::handleReleaseAll()
m_known_ids.clear(); m_known_ids.clear();
if (m_move_id != -1) if (m_move_id != -1)
handleReleaseEvent(m_move_id); handleReleaseEvent(m_move_id);
for (int i = 0; i < after_last_element_id; i++) for (auto & m_button : m_buttons)
m_buttons[i].ids.clear(); m_button.ids.clear();
} }
void TouchScreenGUI::translateEvent(const SEvent &event) { void TouchScreenGUI::translateEvent(const SEvent &event)
{
if (!m_visible) { if (!m_visible) {
infostream << "TouchScreenGUI::translateEvent got event but not visible?!" << std::endl; infostream << "TouchScreenGUI::translateEvent got event but not visible?!" << std::endl;
return; return;
@ -583,7 +579,7 @@ void TouchScreenGUI::translateEvent(const SEvent &event) {
->getRayFromScreenCoordinates(m_move_downlocation); ->getRayFromScreenCoordinates(m_move_downlocation);
// send a middle click event so the game can handle single touches // send a middle click event so the game can handle single touches
SEvent *translated = new SEvent; auto *translated = new SEvent;
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = EET_MOUSE_INPUT_EVENT; translated->EventType = EET_MOUSE_INPUT_EVENT;
translated->MouseInput.X = m_move_downlocation.X; translated->MouseInput.X = m_move_downlocation.X;
@ -617,7 +613,7 @@ void TouchScreenGUI::translateEvent(const SEvent &event) {
(m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y) * (m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y) *
(m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y)); (m_pointerpos[event.TouchInput.ID].Y - event.TouchInput.Y));
if (distance > g_settings->getU16("touchscreen_threshold") || if (distance > m_touchscreen_threshold ||
(m_move_has_really_moved)) { (m_move_has_really_moved)) {
m_move_has_really_moved = true; m_move_has_really_moved = true;
s32 X = event.TouchInput.X; s32 X = event.TouchInput.X;
@ -654,12 +650,13 @@ void TouchScreenGUI::translateEvent(const SEvent &event) {
} }
} }
void TouchScreenGUI::handleChangedButton(const SEvent &event) { void TouchScreenGUI::handleChangedButton(const SEvent &event)
{
for (unsigned int i = 0; i < after_last_element_id; i++) { for (unsigned int i = 0; i < after_last_element_id; i++) {
if (m_buttons[i].ids.empty()) if (m_buttons[i].ids.empty())
continue; continue;
for (std::vector<size_t>::iterator iter = m_buttons[i].ids.begin(); for (auto iter = m_buttons[i].ids.begin();
iter != m_buttons[i].ids.end(); ++iter) { iter != m_buttons[i].ids.end(); ++iter) {
if (event.TouchInput.ID == *iter) { if (event.TouchInput.ID == *iter) {
int current_button_id = int current_button_id =
@ -693,7 +690,8 @@ void TouchScreenGUI::handleChangedButton(const SEvent &event) {
} }
// Punch or left click // Punch or left click
bool TouchScreenGUI::quickTapDetection() { bool TouchScreenGUI::quickTapDetection()
{
m_key_events[0].down_time = m_key_events[1].down_time; m_key_events[0].down_time = m_key_events[1].down_time;
m_key_events[0].x = m_key_events[1].x; m_key_events[0].x = m_key_events[1].x;
m_key_events[0].y = m_key_events[1].y; m_key_events[0].y = m_key_events[1].y;
@ -703,7 +701,7 @@ bool TouchScreenGUI::quickTapDetection() {
if (delta < 50) if (delta < 50)
return false; return false;
SEvent *translated = new SEvent(); auto *translated = new SEvent();
memset(translated, 0, sizeof(SEvent)); memset(translated, 0, sizeof(SEvent));
translated->EventType = EET_MOUSE_INPUT_EVENT; translated->EventType = EET_MOUSE_INPUT_EVENT;
translated->MouseInput.X = m_key_events[0].x; translated->MouseInput.X = m_key_events[0].x;
@ -731,24 +729,26 @@ bool TouchScreenGUI::quickTapDetection() {
} }
TouchScreenGUI::~TouchScreenGUI() { TouchScreenGUI::~TouchScreenGUI() {
for (unsigned int i = 0; i < after_last_element_id; i++) { for (auto & m_button : m_buttons) {
button_info *btn = &m_buttons[i]; button_info *btn = &m_button;
if (btn->guibutton != nullptr) { if (btn->guibutton) {
btn->guibutton->drop(); btn->guibutton->drop();
btn->guibutton = nullptr; btn->guibutton = nullptr;
} }
} }
} }
void TouchScreenGUI::step(float dtime) { void TouchScreenGUI::step(float dtime)
{
// simulate keyboard repeats // simulate keyboard repeats
for (unsigned int i = 0; i < after_last_element_id; i++) { for (auto & m_button : m_buttons) {
button_info *btn = &m_buttons[i]; button_info *btn = &m_button;
if (!btn->ids.empty()) { if (!btn->ids.empty()) {
btn->repeatcounter += dtime; btn->repeatcounter += dtime;
if (btn->repeatcounter < btn->repeatdelay) continue; if (btn->repeatcounter < btn->repeatdelay)
continue;
btn->repeatcounter = 0; btn->repeatcounter = 0;
SEvent translated{}; SEvent translated{};
@ -769,7 +769,7 @@ void TouchScreenGUI::step(float dtime) {
(!m_move_sent_as_mouse_event)) { (!m_move_sent_as_mouse_event)) {
u64 delta = porting::getDeltaMs(m_move_downtime, porting::getTimeMs()); u64 delta = porting::getDeltaMs(m_move_downtime, porting::getTimeMs());
if (delta > (MIN_DIG_TIME * 1000.F)) { if (delta > MIN_DIG_TIME) {
m_shootline = m_device m_shootline = m_device
->getSceneManager() ->getSceneManager()
->getSceneCollisionManager() ->getSceneCollisionManager()
@ -792,38 +792,41 @@ void TouchScreenGUI::step(float dtime) {
} }
} }
void TouchScreenGUI::resetHud() { void TouchScreenGUI::resetHud()
{
m_hud_rects.clear(); m_hud_rects.clear();
} }
void TouchScreenGUI::registerHudItem(int index, const rect<s32> &rect) { void TouchScreenGUI::registerHudItem(int index, const rect<s32> &rect)
{
m_hud_rects[index] = rect; m_hud_rects[index] = rect;
} }
void TouchScreenGUI::Toggle(bool visible) { void TouchScreenGUI::Toggle(bool visible)
{
m_visible = visible; m_visible = visible;
for (unsigned int i = 0; i < after_last_element_id; i++) { for (auto & m_button : m_buttons) {
button_info *btn = &m_buttons[i]; if (m_button.guibutton)
if (btn->guibutton != nullptr) m_button.guibutton->setVisible(visible);
btn->guibutton->setVisible(visible);
} }
// clear all active buttons // clear all active buttons
if (!visible) { if (!visible) {
while (!m_known_ids.empty()) { while (!m_known_ids.empty())
handleReleaseEvent(m_known_ids.begin()->id); handleReleaseEvent(m_known_ids.begin()->id);
} }
} }
}
void TouchScreenGUI::hide() { void TouchScreenGUI::hide()
{
if (!m_visible) if (!m_visible)
return; return;
Toggle(false); Toggle(false);
} }
void TouchScreenGUI::show() { void TouchScreenGUI::show()
{
if (m_visible) if (m_visible)
return; return;

View File

@ -1,6 +1,6 @@
/* /*
Copyright (C) 2014 sapier Copyright (C) 2014 sapier
Copyright (C) 2014-2019 Maksim Gamarnik [MoNTE48] MoNTE48@mail.ua Copyright (C) 2014-2020 Maksim Gamarnik [MoNTE48] MoNTE48@mail.ua
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by it under the terms of the GNU Lesser General Public License as published by
@ -17,8 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#ifndef TOUCHSCREENGUI_HEADER #pragma once
#define TOUCHSCREENGUI_HEADER
#include <IEventReceiver.h> #include <IEventReceiver.h>
#include <IGUIButton.h> #include <IGUIButton.h>
@ -34,7 +33,8 @@ using namespace irr;
using namespace irr::core; using namespace irr::core;
using namespace irr::gui; using namespace irr::gui;
typedef enum { typedef enum
{
forward_one, forward_one,
forward_two, forward_two,
forward_three, forward_three,
@ -58,11 +58,12 @@ typedef enum {
after_last_element_id after_last_element_id
} touch_gui_button_id; } touch_gui_button_id;
#define SLOW_BUTTON_REPEAT 1.0f #define MIN_DIG_TIME 500
#define MIN_DIG_TIME 0.5f
#define BUTTON_REPEAT_DELAY 0.2f #define BUTTON_REPEAT_DELAY 0.2f
#define SLOW_BUTTON_REPEAT 1.0f
struct button_info { struct button_info
{
float repeatcounter; float repeatcounter;
float repeatdelay; float repeatdelay;
irr::EKEY_CODE keycode; irr::EKEY_CODE keycode;
@ -71,7 +72,8 @@ struct button_info {
bool immediate_release; bool immediate_release;
}; };
class TouchScreenGUI { class TouchScreenGUI
{
public: public:
TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver); TouchScreenGUI(IrrlichtDevice *device, IEventReceiver *receiver);
@ -81,7 +83,8 @@ public:
void init(ISimpleTextureSource *tsrc); void init(ISimpleTextureSource *tsrc);
double getYawChange() { double getYawChange()
{
double res = m_camera_yaw_change; double res = m_camera_yaw_change;
m_camera_yaw_change = 0; m_camera_yaw_change = 0;
return res; return res;
@ -117,6 +120,7 @@ private:
IEventReceiver *m_receiver; IEventReceiver *m_receiver;
ISimpleTextureSource *m_texturesource; ISimpleTextureSource *m_texturesource;
v2u32 m_screensize; v2u32 m_screensize;
double m_touchscreen_threshold;
std::map<int, rect<s32> > m_hud_rects; std::map<int, rect<s32> > m_hud_rects;
std::map<size_t, irr::EKEY_CODE> m_hud_ids; std::map<size_t, irr::EKEY_CODE> m_hud_ids;
bool m_visible; // is the gui visible bool m_visible; // is the gui visible
@ -151,11 +155,12 @@ private:
void handleChangedButton(const SEvent &event); void handleChangedButton(const SEvent &event);
// initialize a button // initialize a button
void initButton(touch_gui_button_id id, rect<s32> button_rect, void initButton(touch_gui_button_id id, const rect<s32> &button_rect,
std::wstring caption, bool immediate_release, const std::wstring &caption, bool immediate_release,
float repeat_delay = BUTTON_REPEAT_DELAY); float repeat_delay = BUTTON_REPEAT_DELAY);
struct id_status { struct id_status
{
size_t id; size_t id;
int X; int X;
int Y; int Y;
@ -177,7 +182,8 @@ private:
void handleReleaseEvent(size_t evt_id); void handleReleaseEvent(size_t evt_id);
// long-click detection variables // long-click detection variables
struct key_event { struct key_event
{
u64 down_time; u64 down_time;
s32 x; s32 x;
s32 y; s32 y;
@ -191,4 +197,3 @@ private:
}; };
extern TouchScreenGUI *g_touchscreengui; extern TouchScreenGUI *g_touchscreengui;
#endif