123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
#include <stdio.h>
|
|
#include <limits.h>
|
|
#include "fixed.h"
|
|
#include "calc.h"
|
|
#include "pebblisp.h"
|
|
|
|
static inline char* getToken(int n) {
|
|
const int length = sizeof(tokens) / sizeof(tokens[0]);
|
|
return tokens[n % length];
|
|
}
|
|
|
|
static int8_t selected_token = 1; //Currently selected button, starts on '5'
|
|
static struct Environment env;
|
|
|
|
static void updateText()
|
|
{
|
|
strcpy(temptext, mytext);
|
|
|
|
if(getToken(selected_token)[0] == ' ') {
|
|
strcat(temptext, "_");
|
|
} else {
|
|
strcat(temptext, getToken(selected_token));
|
|
}
|
|
|
|
text_layer_set_text(s_input_text_layer, temptext);
|
|
}
|
|
|
|
// Button handler
|
|
static void up_down_handler(ClickRecognizerRef recognizer, void *context){
|
|
// Change current token
|
|
selected_token += (click_recognizer_get_button_id(recognizer) == BUTTON_ID_DOWN) ? 1 : -1;
|
|
// If selected token is outside of range, wrap around
|
|
selected_token = selected_token < 0 ? TOKEN_END : selected_token > TOKEN_END ? 0 : selected_token;
|
|
|
|
updateText();
|
|
}
|
|
|
|
static void back_handler(ClickRecognizerRef recognizer, void *context) {
|
|
if(mytext[0] == '\0') {
|
|
window_stack_remove(window_stack_get_top_window(), true);
|
|
} else {
|
|
int i = 0;
|
|
while(mytext[++i] != '\0') { ; }
|
|
mytext[i-1] = '\0';
|
|
updateText();
|
|
}
|
|
}
|
|
|
|
// Adds the current string to the main string
|
|
static void enter(){
|
|
strcat(mytext, getToken(selected_token));
|
|
selected_token = 0;
|
|
updateText();
|
|
}
|
|
|
|
//Calculate result, display it and reset
|
|
static void calculate(){
|
|
Object obj = parseEval(mytext, &env);
|
|
char temp[MAX_LENGTH-2] = "";
|
|
stringObj(temp, &obj);
|
|
snprintf(resulttext, MAX_LENGTH, "R:%s", temp);
|
|
selected_token = 0;
|
|
//strcpy(mytext, HAHA);
|
|
text_layer_set_text(s_result_text_layer, resulttext);
|
|
}
|
|
|
|
// Button press handler
|
|
static void select_handler(ClickRecognizerRef recognizer, void *context){
|
|
if(selected_token == sizeof(tokens) / sizeof(tokens[0]) - 1)
|
|
calculate();
|
|
else
|
|
enter();
|
|
}
|
|
|
|
static void click_config_provider(void *context) {
|
|
// Register click handlers
|
|
window_single_repeating_click_subscribe(BUTTON_ID_UP, 100, up_down_handler);
|
|
window_single_repeating_click_subscribe(BUTTON_ID_DOWN, 100, up_down_handler);
|
|
window_single_click_subscribe(BUTTON_ID_SELECT, select_handler);
|
|
window_single_click_subscribe(BUTTON_ID_BACK, back_handler);
|
|
}
|
|
|
|
static void init(void) {
|
|
// Create a window and get information about the window
|
|
s_window = window_create();
|
|
// Layer *window_layer = window_get_root_layer(s_window);
|
|
// Register click config provider
|
|
window_set_click_config_provider(s_window, click_config_provider);
|
|
|
|
// Input text layer setup
|
|
GRect text_bounds = GRect(6, 6, 132, 127);
|
|
s_input_text_layer = text_layer_create(text_bounds);
|
|
text_layer_set_text(s_input_text_layer, getToken(1));
|
|
text_layer_set_font(s_input_text_layer, fonts_get_system_font(FONT_KEY_GOTHIC_28_BOLD));
|
|
layer_add_child(window_get_root_layer(s_window), text_layer_get_layer(s_input_text_layer));
|
|
|
|
// Result text layer setup
|
|
GRect result_bounds = GRect(6, 128, 132, 132);
|
|
s_result_text_layer = text_layer_create(result_bounds);
|
|
text_layer_set_text(s_result_text_layer, "R: ");
|
|
text_layer_set_font(s_result_text_layer, fonts_get_system_font(FONT_KEY_GOTHIC_28_BOLD));
|
|
text_layer_set_text_alignment(s_result_text_layer, GTextAlignmentRight);
|
|
layer_add_child(window_get_root_layer(s_window), text_layer_get_layer(s_result_text_layer));
|
|
|
|
// Push the window, setting the window animation to 'true'
|
|
window_stack_push(s_window, true);
|
|
env = defaultEnv();
|
|
}
|
|
|
|
static void deinit(void) {
|
|
// Destroy the text layer
|
|
text_layer_destroy(s_input_text_layer);
|
|
|
|
// Destroy the window
|
|
window_destroy(s_window);
|
|
}
|
|
|
|
int main(void) {
|
|
init();
|
|
app_event_loop();
|
|
deinit();
|
|
}
|