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Add minus toggle for GuiValueBox & GuiValueBoxFloat (#485)

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It was impossible to enter negative number.
Now pressing KEY_MINUS toggles sign for the value when value is not 0.
Due to original implementation it's not possible to start entry with minus symbol or have added minus while the value is 0.

fix max index
This commit is contained in:
Agnis Aldiņš "NeZvērs
2025-05-06 23:09:07 +03:00
committed by GitHub
parent e00c4c18e0
commit cb78993237
1 changed files with 56 additions and 0 deletions
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56
src/raygui.h
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@ -3045,6 +3045,34 @@ int GuiValueBox(Rectangle bounds, const char *text, int *value, int minValue, in
int keyCount = (int)strlen(textValue); int keyCount = (int)strlen(textValue);
// Add or remove minus symbol
if (IsKeyPressed(KEY_MINUS))
{
if (textValue[0] == '-')
{
for(int i = 0 ; i < keyCount; i++ )
{
textValue[i] = textValue[i + 1];
}
keyCount--;
valueHasChanged = true;
}
else if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS -1){
if (keyCount == 0){
textValue[0] = '0';
textValue[1] = '\0';
keyCount++;
}
for(int i = keyCount ; i > -1; i-- )
{
textValue[i + 1] = textValue[i];
}
textValue[0] = '-';
keyCount++;
valueHasChanged = true;
}
}
// Only allow keys in range [48..57] // Only allow keys in range [48..57]
if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS) if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS)
{ {
@ -3164,6 +3192,34 @@ int GuiValueBoxFloat(Rectangle bounds, const char *text, char *textValue, float
int keyCount = (int)strlen(textValue); int keyCount = (int)strlen(textValue);
// Add or remove minus symbol
if (IsKeyPressed(KEY_MINUS))
{
if (textValue[0] == '-')
{
for (int i = 0; i < keyCount; i++)
{
textValue[i] = textValue[i + 1];
}
keyCount--;
valueHasChanged = true;
}
else if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS - 1) {
if (keyCount == 0) {
textValue[0] = '0';
textValue[1] = '\0';
keyCount++;
}
for (int i = keyCount; i > -1; i--)
{
textValue[i + 1] = textValue[i];
}
textValue[0] = '-';
keyCount++;
valueHasChanged = true;
}
}
// Only allow keys in range [48..57] // Only allow keys in range [48..57]
if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS) if (keyCount < RAYGUI_VALUEBOX_MAX_CHARS)
{ {