MessagesForMacintosh/nuklear_app.c

766 lines
24 KiB
C

// TODO:
// - test on physical, bug fixes, write blog posts
// {42, 4, 336, 506}
#define WINDOW_WIDTH 502
#define WINDOW_HEIGHT 294
#define NK_ZERO_COMMAND_MEMORY
#define NK_INCLUDE_FIXED_TYPES
#define NK_INCLUDE_STANDARD_IO
// #define NK_INCLUDE_STANDARD_VARARGS
#define NK_INCLUDE_DEFAULT_ALLOCATOR
#define NK_IMPLEMENTATION
#define NK_QUICKDRAW_IMPLEMENTATION
// #define NK_BUTTON_TRIGGER_ON_RELEASE
#define NK_MEMSET memset
#define NK_MEMCPY memcpy
// #define MESSAGES_FOR_MACINTOSH_DEBUGGING
// based on https://github.com/jwerle/strsplit.c -- cleaned up and modified to use strtokm rather than strtok
int strsplit (const char *str, char *parts[], const char *delimiter) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: strsplit");
#endif
char *pch;
int i = 0;
char *copy = NULL;
char *tmp = NULL;
copy = strdup(str);
if (! copy) {
goto bad;
}
pch = strtokm(copy, delimiter);
tmp = strdup(pch);
if (!tmp) {
goto bad;
}
parts[i++] = tmp;
while (pch) {
pch = strtokm(NULL, delimiter);
if (NULL == pch) {
break;
}
tmp = strdup(pch);
if (! tmp) {
goto bad;
}
parts[i++] = tmp;
}
free(copy);
return i;
bad:
free(copy);
for (int j = 0; j < i; j++) {
free(parts[j]);
}
return -1;
}
void aFailed(char *file, int line) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: aFailed");
#endif
MoveTo(10, 10);
char textoutput[255];
sprintf(textoutput, "%s:%d", file, line);
writeSerialPortDebug(boutRefNum, "assertion failure");
writeSerialPortDebug(boutRefNum, textoutput);
// hold the program - we want to be able to read the text! assuming anything after the assert would be a crash
while (true) {}
}
#define MAX_CHAT_MESSAGES 17
Boolean firstOrMouseMove = true;
Boolean gotMouseEvent = false;
char activeChat[64];
char activeChatMessages[MAX_CHAT_MESSAGES][2048]; // this should match to MAX_ROWS in index.js
char box_input_buffer[2048];
char chatFriendlyNames[16][64];
char ip_input_buffer[255];
char jsFunctionResponse[32767]; // Matches MAX_RECEIVE_SIZE
char chatCountFunctionResponse[32767]; // Matches MAX_RECEIVE_SIZE
char tempChatCountFunctionResponse[32767]; // Matches MAX_RECEIVE_SIZE
char previousChatCountFunctionResponse[32767]; // Matches MAX_RECEIVE_SIZE
char new_message_input_buffer[255];
int activeMessageCounter = 0;
int chatFriendlyNamesCounter = 0;
int coprocessorLoaded = 0;
int forceRedraw = 2; // this is how many 'iterations' of the UI that we need to see every element for
int ipAddressSet = 0;
int mouse_x;
int mouse_y;
int sendNewChat = 0;
short box_input_len;
short box_len;
short new_message_input_buffer_len;
static short ip_input_buffer_len; // TODO: setting a length here will make the default `http://...` work, but doesn't work right -- maybe due to perf work in nuklear
struct nk_rect chats_window_size;
struct nk_rect graphql_input_window_size;
struct nk_rect message_input_window_size;
struct nk_rect messages_window_size;
struct nk_context *ctx;
#define NK_ASSERT(e) \
if (!(e)) \
aFailed(__FILE__, __LINE__)
#include <Types.h>
#include "nuklear.h"
#include "nuklear_quickdraw.h"
#include "coprocessorjs.h"
void refreshNuklearApp(Boolean blankInput);
void getMessagesFromjsFunctionResponse() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: getMessagesFromjsFunctionResponse");
#endif
for (int i = 0; i < MAX_CHAT_MESSAGES; i++) {
memset(&activeChatMessages[i], '\0', 2048);
}
activeMessageCounter = 0;
char *token = (char *)strtokm(jsFunctionResponse, "ENDLASTMESSAGE");
// loop through the string to extract all other tokens
while (token != NULL) {
sprintf(activeChatMessages[activeMessageCounter], "%s", token);
token = (char *)strtokm(NULL, "ENDLASTMESSAGE");
activeMessageCounter++;
}
return;
}
// function to send messages in chat
void sendMessage() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: sendMessage");
#endif
writeSerialPortDebug(boutRefNum, "sendMessage!");
char output[2048];
sprintf(output, "%s&&&%.*s", activeChat, box_input_len, box_input_buffer);
memset(&box_input_buffer, '\0', 2048);
box_input_len = 0;
// this was an attempt to get the text in the textbox to go away... doesn't really work for a few more redraws
// so actually just makes things slower:
// refreshNuklearApp(1);
callFunctionOnCoprocessor("sendMessage", output, jsFunctionResponse);
getMessagesFromjsFunctionResponse();
forceRedraw = 3;
return;
}
// set up function to get available chat (fill buttons on the left hand side)
// interval is set by the event loop in mac_main
void getChats() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: getChats");
#endif
writeSerialPortDebug(boutRefNum, "getChats!");
callFunctionOnCoprocessor("getChats", "", jsFunctionResponse);
char *token = (char *)strtokm(jsFunctionResponse, ",");
while (token != NULL) {
writeSerialPortDebug(boutRefNum, token);
sprintf(chatFriendlyNames[chatFriendlyNamesCounter++], "%s", token);
token = (char *)strtokm(NULL, ",");
}
return;
}
void sendIPAddressToCoprocessor() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: sendIPAddressToCoprocessor");
#endif
writeSerialPortDebug(boutRefNum, "sendIPAddressToCoprocessor!");
char output[2048];
sprintf(output, "%.*s", ip_input_buffer_len, ip_input_buffer);
writeSerialPortDebug(boutRefNum, output);
callFunctionOnCoprocessor("setIPAddress", output, jsFunctionResponse);
// now that the IP is set, we can get all of our chats
getChats();
return;
}
// set up function to get messages in current chat
// limit to recent messages
// figure out pagination?? button on the top that says "get previous chats"?, TODO
void getMessages(char *thread, int page) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: getMessages");
#endif
writeSerialPortDebug(boutRefNum, "getMessages!");
char output[68];
sprintf(output, "%s&&&%d", thread, page);
// writeSerialPortDebug(boutRefNum, output);
callFunctionOnCoprocessor("getMessages", output, jsFunctionResponse);
// writeSerialPortDebug(boutRefNum, jsFunctionResponse);
getMessagesFromjsFunctionResponse();
forceRedraw = 3;
return;
}
// from https://stackoverflow.com/a/4770992
Boolean prefix(const char *pre, const char *str) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: prefix");
#endif
return strncmp(pre, str, strlen(pre)) == 0;
}
void getChatCounts() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: getChatCounts");
#endif
writeSerialPortDebug(boutRefNum, "getChatCounts!");
callFunctionOnCoprocessor("getChatCounts", "", chatCountFunctionResponse);
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "getChatCounts");
writeSerialPortDebug(boutRefNum, chatCountFunctionResponse);
#endif
// bail out if the responses ARE equal
if (!strcmp(chatCountFunctionResponse, previousChatCountFunctionResponse)) {
writeSerialPortDebug(boutRefNum, "no need to update current chat count");
return;
}
strcpy(previousChatCountFunctionResponse, chatCountFunctionResponse);
//#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "update current chat count");
writeSerialPortDebug(boutRefNum, chatCountFunctionResponse);
writeSerialPortDebug(boutRefNum, previousChatCountFunctionResponse);
// update current chat count
// 1
// wrangled byn
// wrangled by the knockers:::0,Aaron Sunderland:::0,Shirley Waggoner:::0,waggoner6171@icloud.com:::0,Rebecca Henlin:::0,Chris Sjoblom:::0,Leo Torbochkin:::0,Jayant Sai:::0,+15095713317:::0,Adam Struthers:::0
// 2
// wrangled by the knockers:::0,Aaron Sunderland:::0,Shin
// wrangled by the knockers:::0,Aaron Sunderland:::0,Shirley Waggoner:::0,waggoner6171@icloud.com:::0,Rebecca Henlin:::0,Chris Sjoblom:::0,Leo Torbochkin:::0,Jayant Sai:::0,+15095713317:::0,Adam Struthers:::0
// 3
// wrangled by the knockers:::0,Aaron Sunderland:::0,n
// wrangled by the knockers:::0,Aaron Sunderland:::0,Shirley Waggoner:::0,waggoner6171@icloud.com:::0,Rebecca Henlin:::0,Chris Sjoblom:::0,Leo Torbochkin:::0,Jayant Sai:::0,+15095713317:::0,Adam Struthers:::0
// 4
// wrangled by the knockers:::0,Aaron Sunderland:::0,Shirley Waggoner:::0,waggoner6171@icloud.com:::0,Rebecca Henlin:::0,Chris Sjoblom:::0,Leo Torbochkin:::0,Jayant Sai:::0,+15095713317:::0,Adam Struthers:::0
// wrangled by the knockers:::0,Aaron Sunderland:::0,n
//#endif
SysBeep(1);
strcpy(tempChatCountFunctionResponse, chatCountFunctionResponse);
int chatCount = 0;
char *(*chats[16])[64];
chatCount = strsplit(tempChatCountFunctionResponse, (char **)chats, ",");
for (int chatLoopCounter = 0; chatLoopCounter < chatCount; chatLoopCounter++) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "DUMMY DELETE: update current chat count loop");
writeSerialPortDebug(boutRefNum, chats[chatLoopCounter]);
#endif
}
// loop through the string to extract all other tokens
for (int chatLoopCounter = 0; chatLoopCounter < chatCount; chatLoopCounter++) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "update current chat count loop");
writeSerialPortDebug(boutRefNum, chats[chatLoopCounter]);
#endif
// chats[chatLoopCounter] should be in format NAME:::COUNT
strcpy(tempChatCountFunctionResponse, chatCountFunctionResponse);
int results = 0;
char *(*chatUpdate[2])[64];
results = strsplit((char *)chats[chatLoopCounter], (char **)chatUpdate, ":::");
if (results != 2) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
char x[255];
sprintf(x, "ERROR: chat update mismatch splitting on ':::', expected 2 results, got: %d: %s -- bailing out", results, chats[chatLoopCounter]);
writeSerialPortDebug(boutRefNum, x);
for (int errorResultCounter = 0; errorResultCounter < results; errorResultCounter++) {
writeSerialPortDebug(boutRefNum, chatUpdate[errorResultCounter]);
char y[255];
sprintf(y, "%d/%d: '%s'", errorResultCounter, results, chatUpdate[errorResultCounter]);
writeSerialPortDebug(boutRefNum, y);
}
#endif
continue;
}
short count = atoi((char *)chatUpdate[1]);
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
char x[255];
sprintf(x, "name: %s, countString: %s, count: %d", chatUpdate[0], chatUpdate[1], count);
writeSerialPortDebug(boutRefNum, x);
#endif
for (int i = 0; i < chatFriendlyNamesCounter; i++) {
if (strstr(chatFriendlyNames[i], " new) ") != NULL) {
char chatName[64];
sprintf(chatName, "%.63s", chatFriendlyNames[i]);
int updateResults = 0;
char *(*updatePieces[2])[64];
updateResults = strsplit(chatName, (char **)updatePieces, " new) ");
if (updateResults != 2) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
char x[255];
sprintf(x, "ERROR: individual chat update mismatch splitting on ' new) ', expected 2 results, got: %d: %s -- bailing out", updateResults, chatName);
writeSerialPortDebug(boutRefNum, x);
for (int errorResultCounter = 0; errorResultCounter < updateResults; errorResultCounter++) {
char y[255];
sprintf(y, "%d/%d: '%s'", errorResultCounter, updateResults, updatePieces[errorResultCounter]);
writeSerialPortDebug(boutRefNum, y);
}
#endif
continue;
}
if (prefix((char *)updatePieces[1], (char *)chatUpdate[0])) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "match1");
writeSerialPortDebug(boutRefNum, chatUpdate[0]);
#endif
if (count == 0 || !strcmp(activeChat, (char *)chatUpdate[0])) {
sprintf(chatFriendlyNames[i], "%.63s", (char *)chatUpdate[0]);
} else {
sprintf(chatFriendlyNames[i], "(%d new) %.63s", count, (char *)chatUpdate[0]);
}
break;
}
} else if (prefix(chatFriendlyNames[i], (char *)chatUpdate[0])) {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "match2");
writeSerialPortDebug(boutRefNum, chatUpdate[0]);
#endif
if (count == 0 || !strcmp(activeChat, (char *)chatUpdate[0])) {
sprintf(chatFriendlyNames[i], "%.63s", (char *)chatUpdate[0]);
} else {
sprintf(chatFriendlyNames[i], "(%d new) %.63s", count, (char *)chatUpdate[0]);
}
break;
}
}
}
forceRedraw = 3;
return;
}
void getHasNewMessagesInChat(char *thread) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: getHasNewMessagesInChat");
#endif
writeSerialPortDebug(boutRefNum, "getHasNewMessagesInChat!");
char output[68];
sprintf(output, "%s", thread);
// writeSerialPortDebug(boutRefNum, output);
callFunctionOnCoprocessor("hasNewMessagesInChat", output, jsFunctionResponse);
// writeSerialPortDebug(boutRefNum, jsFunctionResponse);
if (!strcmp(jsFunctionResponse, "true")) {
writeSerialPortDebug(boutRefNum, "update current chat");
SysBeep(1);
getMessages(thread, 0);
} else {
writeSerialPortDebug(boutRefNum, "do not update current chat");
}
return;
}
Boolean chatWindowCollision;
Boolean messageWindowCollision;
Boolean checkCollision(struct nk_rect window) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: checkCollision");
#endif
// writeSerialPortDebug(boutRefNum, "checkCollision!");
// Boolean testout = (window.x < mouse_x &&
// window.x + window.w > mouse_x &&
// window.y < mouse_y &&
// window.y + window.h > mouse_y);
// char str[255];
// sprintf(str, "what %d", testout);
// writeSerialPortDebug(boutRefNum, str);
// if truthy return, mouse is over window!
return (window.x < mouse_x &&
window.x + window.w > mouse_x &&
window.y < mouse_y &&
window.y + window.h > mouse_y);
}
// UI setup and event handling goes here
static void nuklearApp(struct nk_context *ctx) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: nuklearApp");
#endif
// prompt the user for the graphql instance
if (!coprocessorLoaded) {
if (nk_begin_titled(ctx, "Loading coprocessor services", "Loading coprocessor services", graphql_input_window_size, NK_WINDOW_TITLE|NK_WINDOW_BORDER)) {
nk_layout_row_begin(ctx, NK_STATIC, 20, 1);
{
nk_layout_row_push(ctx, 200);
nk_label_wrap(ctx, "Please wait");
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
return;
}
// prompt the user for the graphql instance
if (!ipAddressSet) {
if (nk_begin_titled(ctx, "Enter iMessage GraphQL Server", "Enter iMessage GraphQL Server", graphql_input_window_size, NK_WINDOW_TITLE|NK_WINDOW_BORDER)) {
nk_layout_row_begin(ctx, NK_STATIC, 20, 1);
{
nk_layout_row_push(ctx, 200);
nk_label_wrap(ctx, "ex: http://127.0.0.1");
}
nk_layout_row_end(ctx);
nk_layout_row_begin(ctx, NK_STATIC, 30, 2);
{
nk_layout_row_push(ctx, WINDOW_WIDTH / 2 - 100);
short ip_edit_return_value = nk_edit_string(ctx, NK_EDIT_ALWAYS_INSERT_MODE|NK_EDIT_GOTO_END_ON_ACTIVATE, ip_input_buffer, &ip_input_buffer_len, 255, nk_filter_default);
nk_layout_row_push(ctx, 55);
if (nk_button_label(ctx, "save") || ip_edit_return_value == 17) {
ipAddressSet = 1;
forceRedraw = 2;
sendIPAddressToCoprocessor();
}
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
// eliminate the initially-set force-redraw
if (forceRedraw) {
forceRedraw--;
}
return;
}
// prompt the user for new chat
if (sendNewChat) {
if (nk_begin_titled(ctx, "Enter New Message Recipient", "Enter New Message Recipient", nk_rect(50, WINDOW_HEIGHT / 4, WINDOW_WIDTH - 100, 140), NK_WINDOW_TITLE|NK_WINDOW_BORDER)) {
nk_layout_row_begin(ctx, NK_STATIC, 30, 1);
{
nk_layout_row_push(ctx, WINDOW_WIDTH - 120);
nk_label(ctx, "enter contact name as it would appear", NK_TEXT_ALIGN_LEFT);
nk_layout_row_push(ctx, WINDOW_WIDTH - 120);
nk_label(ctx, "on your iPhone, iPad, modern Mac, etc", NK_TEXT_ALIGN_LEFT);
}
nk_layout_row_end(ctx);
nk_layout_row_begin(ctx, NK_STATIC, 30, 2);
{
nk_layout_row_push(ctx, WINDOW_WIDTH / 2);
nk_edit_string(ctx, NK_EDIT_SIMPLE, new_message_input_buffer, &new_message_input_buffer_len, 2048, nk_filter_default);
nk_layout_row_push(ctx, 100);
if (nk_button_label(ctx, "open chat")) {
sendNewChat = 0;
forceRedraw = 2;
sprintf(activeChat, "%.*s", new_message_input_buffer_len, new_message_input_buffer);
for (int i = 0; i < MAX_CHAT_MESSAGES; i++) {
memset(&activeChatMessages[i], '\0', 2048);
}
getMessages(activeChat, 0);
}
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
return;
}
chatWindowCollision = checkCollision(chats_window_size);
if ((chatWindowCollision || forceRedraw) && nk_begin(ctx, "Chats", chats_window_size, NK_WINDOW_BORDER|NK_WINDOW_NO_SCROLLBAR)) {
nk_layout_row_begin(ctx, NK_STATIC, 25, 1);
{
for (int i = 0; i < chatFriendlyNamesCounter; i++) {
// only display the first 8 chats, create new chat if you need someone not in your list
if (i > 9) {
continue;
}
nk_layout_row_push(ctx, 169);
if (nk_button_label(ctx, chatFriendlyNames[i])) {
if (strstr(chatFriendlyNames[i], " new) ") != NULL) {
char chatName[96];
sprintf(chatName, "%.63s", chatFriendlyNames[i]);
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "clicked1 chatName");
writeSerialPortDebug(boutRefNum, chatName);
#endif
// we are throwing out the first token
char *name = (char *)strtokm(chatName, " new) ");
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "clicked1 portion1 of string, will toss");
writeSerialPortDebug(boutRefNum, name);
#endif
name = (char *)strtokm(NULL, " new) ");
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "clicked1 have name to assign to activeChat");
writeSerialPortDebug(boutRefNum, name);
#endif
sprintf(activeChat, "%.63s", name);
sprintf(chatFriendlyNames[i], "%.63s", name);
} else {
#ifdef MESSAGES_FOR_MACINTOSH_DEBUGGING
writeSerialPortDebug(boutRefNum, "clicked2 chatName");
writeSerialPortDebug(boutRefNum, chatFriendlyNames[i]);
#endif
sprintf(activeChat, "%.63s", chatFriendlyNames[i]);
}
getMessages(activeChat, 0);
}
}
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
if (nk_begin(ctx, "Message Input", message_input_window_size, NK_WINDOW_BORDER|NK_WINDOW_NO_SCROLLBAR)) {
// bottom text input
nk_layout_row_begin(ctx, NK_STATIC, 28, 1);
{
nk_layout_row_push(ctx, 312);
nk_edit_focus(ctx, NK_EDIT_ALWAYS_INSERT_MODE);
short edit_return_value = nk_edit_string(ctx, NK_EDIT_FIELD|NK_EDIT_SIG_ENTER, box_input_buffer, &box_input_len, 2048, nk_filter_default);
// this is the enter key, obviously
if (edit_return_value == 17 && box_input_len > 0) {
sendMessage();
}
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
if ((forceRedraw) && nk_begin_titled(ctx, "Message", activeChat, messages_window_size, NK_WINDOW_BORDER|NK_WINDOW_TITLE|NK_WINDOW_NO_SCROLLBAR)) {
nk_layout_row_begin(ctx, NK_STATIC, 11, 1);
{
for (int i = 0; i < activeMessageCounter; i++) {
nk_layout_row_push(ctx, 305);
// writeSerialPortDebug(boutRefNum, "activeChatMessages[i]");
// writeSerialPortDebug(boutRefNum, activeChatMessages[i]);
nk_label(ctx, activeChatMessages[i], NK_TEXT_ALIGN_LEFT);
}
}
nk_layout_row_end(ctx);
nk_end(ctx);
}
if (forceRedraw) {
forceRedraw--;
}
}
void refreshNuklearApp(Boolean blankInput) {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: refreshNuklearApp");
#endif
nk_input_begin(ctx);
if (blankInput) {
nk_input_key(ctx, NK_KEY_DEL, 1);
nk_input_key(ctx, NK_KEY_DEL, 0);
}
nk_input_end(ctx);
nuklearApp(ctx);
nk_quickdraw_render(FrontWindow(), ctx);
nk_clear(ctx);
}
struct nk_context* initializeNuklearApp() {
#ifdef DEBUG_FUNCTION_CALLS
writeSerialPortDebug(boutRefNum, "DEBUG_FUNCTION_CALLS: initializeNuklearApp");
#endif
sprintf(activeChat, "no active chat");
memset(&chatCountFunctionResponse, '\0', 32767);
memset(&previousChatCountFunctionResponse, '\0', 32767);
graphql_input_window_size = nk_rect(WINDOW_WIDTH / 2 - 118, 80, 234, 100);
chats_window_size = nk_rect(0, 0, 180, WINDOW_HEIGHT);
messages_window_size = nk_rect(180, 0, 330, WINDOW_HEIGHT - 36);
message_input_window_size = nk_rect(180, WINDOW_HEIGHT - 36, 330, 36);
ctx = nk_quickdraw_init(WINDOW_WIDTH, WINDOW_HEIGHT);
refreshNuklearApp(false);
sprintf(ip_input_buffer, "http://"); // doesn't work due to bug, see variable definition
ip_input_buffer_len = 7;
return ctx;
}