117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
#include <string.h>
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#include "basic/basic.h"
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#include "lcd/render.h"
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#include "lcd/display.h"
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#include "lcd/print.h"
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#define CHARWIDTH 12
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#define CHARSPACE 0x20
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struct in{
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char *line, *prompt;
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uint8_t pos, dcursor, maxlength, asciistart, asciiend;
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bool done;
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} s_input;
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static void inputInit(char p[],char s[], uint8_t l, uint8_t as, uint8_t ae) {
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//TODO: Check length!
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s_input.prompt = p;
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s_input.line = s;
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s_input.maxlength = l;
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s_input.asciistart = as;
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s_input.asciiend = ae;
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s_input.pos = 0;
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s_input.dcursor = 0;
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s_input.done = false;
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s[l-1]=0;
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for(int i=strlen(s);i<(l-1);i++)
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s[i]=0;
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}
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static void inputMove() {
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char *cur = s_input.line+s_input.pos+s_input.dcursor;
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switch(getInputWaitRepeat()){
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case BTN_LEFT:
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if (s_input.dcursor >0) {
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s_input.dcursor --;
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} else if (s_input.pos > 0) {
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s_input.pos --;
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}
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break;
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case BTN_RIGHT:
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if (s_input.dcursor <RESX/CHARWIDTH-1 && s_input.pos + s_input.dcursor < s_input.maxlength) {
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if (*cur == 0) {
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*cur = CHARSPACE;
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}
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s_input.dcursor ++;
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} else if (s_input.pos + RESX/CHARWIDTH < s_input.maxlength) {
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s_input.pos++;
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if (*cur == 0) {
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*cur = CHARSPACE;
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}
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}
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break;
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case BTN_UP:
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if (*cur <= s_input.asciistart) {
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*cur = s_input.asciiend;
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} else if (*cur > s_input.asciiend) {
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*cur = s_input.asciiend;
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} else {
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*cur = *cur - 1;
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}
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break;
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case BTN_DOWN:
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if (*cur >= s_input.asciiend) {
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*cur = s_input.asciistart;
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} else if (*cur < s_input.asciistart) {
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*cur = s_input.asciistart;
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} else {
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*cur = *cur + 1;
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}
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break;
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case BTN_ENTER:
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s_input.done = true;
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// getInputWaitRelease();
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break;
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}
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}
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static void inputDraw() {
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char tmp[2]= {0,0};
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lcdClear();
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DoString(0,0,s_input.prompt);
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for (int dx = 0; dx<= RESX/CHARWIDTH && s_input.pos+dx<s_input.maxlength; dx++){
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tmp[0] = s_input.line[s_input.pos+dx];
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DoString(dx*CHARWIDTH, 30,tmp);
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}
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DoString(s_input.dcursor * CHARWIDTH, 40, "-");
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}
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static void inputClean() {
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for (int x=0;x<=s_input.maxlength;x++) {
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if (s_input.line[x] == 0) {
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x--;
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while (s_input.line[x] == CHARSPACE && x>=0) {
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s_input.line[x] = 0;
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x--;
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}
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return;
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}
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}
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}
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void input(char prompt[], char line[], uint8_t asciistart, uint8_t asciiend, uint8_t maxlength){
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setSystemFont();
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inputInit(prompt, line, maxlength, asciistart, asciiend);
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while (!s_input.done) {
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inputDraw();
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lcdDisplay();
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inputMove();
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}
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inputClean();
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return;
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}
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