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Numpad fix
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@kisslorand
kisslorand committed Oct 8, 2023
1 parent 7d638de commit 1e6b991
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Showing 2 changed files with 93 additions and 85 deletions.
174 changes: 91 additions & 83 deletions TFT/src/User/API/UI/Numpad.c
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Original file line number Diff line number Diff line change
Expand Up @@ -205,67 +205,65 @@ static inline void drawValue(char * str)
}

// Numpad for decimal numbers
double numPadFloat(uint8_t * title, double old_val, double reset_val, bool negative)
double numPadFloat(uint8_t * title, double parameter_val, double reset_val, bool negative)
{
//bool exit = false;
NUM_KEY_VALUES key_num = NUM_KEY_IDLE;
touchSound = false;

uint8_t nowIndex;
uint8_t * numTitle = title;
uint8_t bufIndex;
uint8_t lastIndex = 0;
char ParameterBuf[FLOAT_BUF_LENGTH + 1] = {0};
uint8_t prec = (old_val == 0) ? 0 : FLOAT_PREC_LENGTH;
char parameterBuf[FLOAT_BUF_LENGTH + 1] = {0}; // "+1" -> make room for terminal char '\0'
bool valueFirstPress = true;

sprintf(ParameterBuf, "%.*f", prec, old_val);
nowIndex = strlen(ParameterBuf);
snprintf(parameterBuf, FLOAT_BUF_LENGTH + 1, "%.*f", (parameter_val == 0) ? 0 : FLOAT_PREC_LENGTH, parameter_val); // "+1" -> make room for terminal char '\0'
bufIndex = strlen(parameterBuf);

if (title == NULL)
{
char tempstr[FLOAT_BUF_LENGTH + 1];
sprintf(tempstr, "%.*f", prec, old_val);
title = (uint8_t *)tempstr;
numTitle = malloc(FLOAT_BUF_LENGTH + 1); // "+1" -> make room for terminal char '\0'
memcpy(numTitle, parameterBuf, bufIndex + 1);
}

touchSound = false; // it will be used also as flag to exit from numPad

setMenu(MENU_TYPE_FULLSCREEN, NULL, COUNT(rect_of_numkey), rect_of_numkey, drawKeypadButton, NULL);
Draw_keyboard(title, false, negative);
Draw_keyboard(numTitle, false, negative);

while (1)
while (touchSound == false) // touchSound gets true only when exit from numpad is requested
{
key_num = menuKeyGetValue();
switch (key_num)
{
case NUM_KEY_EXIT:
BUZZER_PLAY(SOUND_CANCEL);
touchSound = true;
return old_val;
break;;

case NUM_KEY_DEL:
if (nowIndex == 1) // last character deleted
if (bufIndex == 1) // last character deleted
{
if (ParameterBuf[0] == '0')
if (parameterBuf[0] == '0')
{ // '0' cannot be deleted
BUZZER_PLAY(SOUND_DENY);
break;
}
else
{
ParameterBuf[0] = '0';
parameterBuf[0] = '0';
lastIndex = 0; // this will trigger a value redraw
}
}
else
{
ParameterBuf[--nowIndex] = 0;
parameterBuf[--bufIndex] = '\0';
}

BUZZER_PLAY(SOUND_KEYPRESS);
valueFirstPress = false;
break;

case NUM_KEY_RESET:
sprintf(ParameterBuf, "%.*f", prec, reset_val);
nowIndex = strlen(ParameterBuf);
snprintf(parameterBuf, FLOAT_BUF_LENGTH + 1, "%.*f", (reset_val == 0) ? 0 : FLOAT_PREC_LENGTH, reset_val); // "+1" -> make room for terminal char '\0'
bufIndex = strlen(parameterBuf);
lastIndex = 0;
valueFirstPress = true;
BUZZER_PLAY(SOUND_KEYPRESS);
Expand All @@ -284,21 +282,22 @@ double numPadFloat(uint8_t * title, double old_val, double reset_val, bool negat
if (valueFirstPress == true)
{
valueFirstPress = false;
nowIndex = lastIndex = 0;
bufIndex = lastIndex = 0;
}
if (nowIndex < FLOAT_BUF_LENGTH - 1)

if (bufIndex < FLOAT_BUF_LENGTH)
{
if (ParameterBuf[0] == '0' && nowIndex == 1) // avoid "0x", change to "x"
if (parameterBuf[0] == '0' && bufIndex == 1) // avoid "0x", change to "x"
{
nowIndex = lastIndex = 0;
bufIndex = lastIndex = 0;
}
else if (ParameterBuf[0] == '-' && ParameterBuf[1] == '0' && nowIndex == 2) // avoid "-0x", change to "-x"
else if (parameterBuf[0] == '-' && parameterBuf[1] == '0' && bufIndex == 2) // avoid "-0x", change to "-x"
{
nowIndex = lastIndex = 1;
bufIndex = lastIndex = 1;
}

ParameterBuf[nowIndex++] = numPadKeyChar[key_num][0];
ParameterBuf[nowIndex] = 0;
parameterBuf[bufIndex++] = numPadKeyChar[key_num][0];
parameterBuf[bufIndex] = '\0';
BUZZER_PLAY(SOUND_KEYPRESS);
}
else
Expand All @@ -311,17 +310,19 @@ double numPadFloat(uint8_t * title, double old_val, double reset_val, bool negat
if (valueFirstPress == true)
{
valueFirstPress = false;
ParameterBuf[0] = '0';
nowIndex = lastIndex = 1;
parameterBuf[0] = '0';
parameterBuf[1] = '\0';
bufIndex = lastIndex = 1;
}
if (!strchr((const char *)ParameterBuf, numPadKeyChar[key_num][0]) && nowIndex < (FLOAT_BUF_LENGTH - 1))

if (strchr((const char *)parameterBuf, '.') == NULL && bufIndex < (FLOAT_BUF_LENGTH - 1)) // check if there's already a decimal sign (".")
{
if (nowIndex == 1 && ParameterBuf[0] == '-') // check if minus sign and no other number
if (bufIndex == 1 && parameterBuf[0] == '-') // check if minus sign and no other number
{
ParameterBuf[nowIndex++] = '0'; // add zero between minus and decimal sign
parameterBuf[bufIndex++] = '0'; // add zero between minus and decimal sign
}
ParameterBuf[nowIndex++] = '.';
ParameterBuf[nowIndex] = 0;
parameterBuf[bufIndex++] = '.';
parameterBuf[bufIndex] = '\0';
BUZZER_PLAY(SOUND_KEYPRESS);
}
else
Expand All @@ -336,13 +337,14 @@ double numPadFloat(uint8_t * title, double old_val, double reset_val, bool negat
if (valueFirstPress == true)
{
valueFirstPress = false;
ParameterBuf[0] = '0';
nowIndex = 1;
parameterBuf[0] = '0';
bufIndex = 1;
}
if (nowIndex == 1 && ParameterBuf[0] == '0')

if (bufIndex == 1 && parameterBuf[0] == '0')
{
ParameterBuf[0] = '-';
ParameterBuf[1] = 0;
parameterBuf[0] = '-';
parameterBuf[1] = '\0';
lastIndex = 0; // this will trigger a value redraw
BUZZER_PLAY(SOUND_KEYPRESS);
}
Expand All @@ -354,77 +356,81 @@ double numPadFloat(uint8_t * title, double old_val, double reset_val, bool negat
break;

case NUM_KEY_OK:
if (nowIndex == 1 && ParameterBuf[0] == '-')
if (bufIndex == 1 && parameterBuf[0] == '-')
{
BUZZER_PLAY(SOUND_DENY);
break;
}
BUZZER_PLAY(SOUND_OK);
touchSound = true;
return strtod(ParameterBuf, NULL);
else
{
touchSound = true;
parameter_val = strtod(parameterBuf, NULL);
BUZZER_PLAY(SOUND_OK);
}
break;

default:
break;
}

if (lastIndex != nowIndex)
if (lastIndex != bufIndex)
{
lastIndex = nowIndex;
drawValue(ParameterBuf);
lastIndex = bufIndex;
drawValue(parameterBuf);
}

loopBackEnd();
}

if (title == NULL) free(numTitle);

return parameter_val;
}

// Numpad for integer numbers
int32_t numPadInt(uint8_t* title, int32_t old_val, int32_t reset_val, bool negative)
int32_t numPadInt(uint8_t* title, int32_t parameter_val, int32_t reset_val, bool negative)
{
NUM_KEY_VALUES key_num = NUM_KEY_IDLE;
touchSound = false;

int32_t val = old_val, lastval = 0;
uint8_t * numTitle = title;
uint8_t len = 0;
char ParameterBuf[INT_BUF_LENGTH + 1];
int8_t neg = (old_val < 0) ? -1 : 1;
int8_t lastneg = 1;
char parameterBuf[INT_BUF_LENGTH + 1];
int32_t val = parameter_val, prev_val = 0;
bool valueFirstPress = true;

val = old_val * neg;
len = sprintf(parameterBuf, "%i", parameter_val);

if (title == NULL)
{
char tempstr[INT_BUF_LENGTH + 1];
sprintf(tempstr, "%i", old_val);
title = (uint8_t *)tempstr;
numTitle = malloc(INT_BUF_LENGTH + 1); // "+1" -> make room for terminal char '\0'
memcpy(numTitle, parameterBuf, len + 1);
}

touchSound = false; // it will be used also as flag to exit from numPad

setMenu(MENU_TYPE_FULLSCREEN, NULL, COUNT(rect_of_numkey), rect_of_numkey, drawKeypadButton, NULL);
Draw_keyboard(title, true, negative);
Draw_keyboard(numTitle, true, negative);

sprintf(ParameterBuf, "%i", val);
drawValue(ParameterBuf);
len = strlen(ParameterBuf);
drawValue(parameterBuf);

while (1)
while (touchSound == false) // touchSound gets true only when exit from numpad is requested
{
key_num = menuKeyGetValue();
switch (key_num)
{
case NUM_KEY_EXIT:
BUZZER_PLAY(SOUND_CANCEL);
touchSound = true;
return old_val;
BUZZER_PLAY(SOUND_CANCEL);
break;

case NUM_KEY_MINUS:
if (negative)
{
neg = neg * -1;
val *= -1; // change sign
BUZZER_PLAY(SOUND_KEYPRESS);
}
break;

case NUM_KEY_DEL:
if (val > 0)
if (val != 0)
{
val /= 10;
valueFirstPress = false;
Expand All @@ -437,8 +443,7 @@ int32_t numPadInt(uint8_t* title, int32_t old_val, int32_t reset_val, bool negat
break;

case NUM_KEY_RESET:
neg = (reset_val >= 0) ? 1 : -1;
val = reset_val * neg;
val = reset_val;
valueFirstPress = true;
BUZZER_PLAY(SOUND_KEYPRESS);
break;
Expand All @@ -458,11 +463,11 @@ int32_t numPadInt(uint8_t* title, int32_t old_val, int32_t reset_val, bool negat
valueFirstPress = false;
val = 0;
}
len = strlen(ParameterBuf);
if (len < INT_BUF_LENGTH)

if (len < INT_BUF_LENGTH + (val < 0 ? 1 : 0))
{
int num = (numPadKeyChar[key_num][0] - '0');
val = (val * 10) + ABS(num);
val = (val * 10) + (val < 0 ? -num : num);
BUZZER_PLAY(SOUND_KEYPRESS);
}
else
Expand All @@ -472,23 +477,26 @@ int32_t numPadInt(uint8_t* title, int32_t old_val, int32_t reset_val, bool negat
break;

case NUM_KEY_OK:
BUZZER_PLAY(SOUND_OK);
setFontSize(FONT_SIZE_NORMAL);
touchSound = true;
return (val * neg);
parameter_val = val;
BUZZER_PLAY(SOUND_OK);
break;

default:
break;
}

if (lastval != val || lastneg != neg)
if (prev_val != val)
{
lastval = val;
lastneg = neg;
GUI_ClearPrect(&newParameterRect);
sprintf(ParameterBuf, "%i", val * neg);
drawValue(ParameterBuf);
prev_val = val;
len = sprintf(parameterBuf, "%i", val);
drawValue(parameterBuf);
}

loopBackEnd();
}

if (title == NULL) free(numTitle);

return parameter_val;
}
4 changes: 2 additions & 2 deletions TFT/src/User/API/UI/Numpad.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,9 +8,9 @@ extern "C" {
#include <stdbool.h>
#include <stdint.h>

double numPadFloat(uint8_t* title, double old_val, double reset_val, bool negative);
double numPadFloat(uint8_t * title, double parameter_val, double reset_val, bool negative);

int32_t numPadInt(uint8_t* title, int32_t old_val, int32_t reset_val, bool negative);
int32_t numPadInt(uint8_t* title, int32_t parameter_val, int32_t reset_val, bool negative);

#ifdef __cplusplus
}
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