LRESULT CExEdit::OnMouseLeave( WPARAM wParam, LPARAM lParam )
{
m_bOver = FALSE;
drawEditFrame();
return 0;
}
LRESULT CExEdit::OnMouseHover( WPARAM wParam, LPARAM lParam )
{
m_bOver = TRUE;
drawEditFrame();
return 0;
}
HBRUSH CExEdit::CtlColor(CDC* pDC, UINT nCtlColor)
{
// TODO: Change any attributes of the DC here
drawEditFrame();
pDC->SetTextColor( m_clrText );
pDC->SetBkColor( m_clrBk );
pDC->SetBkMode( TRANSPARENT );
// TODO: Return a non-NULL brush if the parent's handler should not be called
return m_bkBrush;
}
void CExEdit::OnSetfocus()
{
// TODO: Add your control notification handler code here
m_bFocus = TRUE;
drawEditFrame();
}
uint8_t editNumber(S32MMSValCb_t* s32, uint8_t aY)
{
// aY is the current yPos from were the edit was triggered
/**
* calculate the rectangle height on the display:
* fontheight + 1 pix on top + 1 pix at bottom + 2*2 pix for the frame
*/
int32_t valBackup = s32->m_val; // backup the old value
uint8_t fontHeight = FONTHEIGHT(EDITFONT);
// re-use aY
aY = (aY < LCDHEIGHT/2 - 9 ? aY+11: aY - 25);
// maximum size, for a scaled long: "-2123456.789" + 1 leading blank + 0x00 = 14
char valBuf[14];
// put this in a block to release memory after calculation
{
// get the biggest absolute value to calculate longest
// possible string
uint32_t min = (s32->m_min < 0) ? -s32->m_min : s32->m_min;
uint32_t max = (s32->m_max < 0) ? -s32->m_max : s32->m_max;
valBuf[0] = ' '; // leading blank
valBuf[1] = '-'; // prepend minus-sign
valBuf[2] = '.'; // prepend decimal point
ltoa( (max > min ? max : min), valBuf+2, 10);
// maxDigits = strlen(valBuf+2);
}
uint8_t textLength = lcdBufPuts(AT_RAM, valBuf, &EDITFONT, 0, 0, LA_CHARWIDTHONLY);
uint8_t x = (LCDWIDTH - textLength - 8) / 2;
drawEditFrame(x, aY, textLength, fontHeight);
x += 4;
aY += 4;
uint8_t endX = x + textLength;
uint8_t clearLength = textLength;
uint8_t key = 0;
uint8_t accel = 1;
int32_t step = 1;
CallbackFunctor_t cb = s32->m_callback;
// call the callback if exists
if (cb)
cb(CT_ENTRY, s32);
do
{
/**
* procedure: - clear rectangle
* write value to string
* length = (write string to ldcBuffer, width_only)
* clear area of (width x length)
* paint rectangle
* write string to lcdbuffer(last digit inverse)
* display buffer
* read key
* if (enter) update & return
* if (back) return
* if (accel) inc-value <<= 2;
* else inc-value = 1;
* if (up) increase
* if (down) decrease
*/
lcdBufFillRect(x, aY, clearLength, fontHeight+1, COL_WHITE);
// write current value
ltoa(s32->m_val, valBuf, 10);
if (s32->m_scale)
rescale(s32->m_scale, valBuf);
// get size in pixels
textLength = lcdBufPuts(AT_RAM, valBuf, &EDITFONT, 0, 0, LA_CHARWIDTHONLY);
uint8_t xt = endX - textLength;
lcdBufPuts(AT_RAM, valBuf, &EDITFONT, xt, aY, COL_BLACK);
// lcdBufPuts(AT_RAM, valBuf, &EDITFONT, endX - textLength, aY, COL_BLACK);
uint8_t iconMask = BT_BACK|BT_ENTER;
if (s32->m_val > s32->m_min)
iconMask |= BT_MINUS;
if (s32->m_val < s32->m_max)
iconMask |= BT_PLUS;
setIcons(IT_EDIT, iconMask);
lcdUpdate(1);
key = pollButtons(BT_ALL, BF_ACCEL|BF_DELAY);
if (key & BF_ACCEL)
{
if (accel == 10)
{
accel = 1;
if (step < (s32->m_max/8))
step *= 8;
}
else
++accel;
}
else
{
accel = 1;
step = 1;
}
switch (key & 0xF0) // clean code
{
case BT_BACK:
case BT_ENTER:
break;
case BT_PLUS:
s32->m_val += step;
if (s32->m_val > s32->m_max)
s32->m_val = s32->m_max;
break;
case BT_MINUS:
s32->m_val -= step;
if (s32->m_val < s32->m_min)
s32->m_val = s32->m_min;
break;
} // switch key
// call the callback if exists
if (cb)
cb((CT_CHANGE | (key & 0xF0)), s32);
} while (! (key & (BT_BACK | BT_ENTER)) );
if (key & BT_BACK) // restore old value if BT_BACK was pressed
s32->m_val = valBackup;
if (cb)
cb((CT_RETURN | (key & 0xF0)), s32);
return key & 0xF0; // return pure key
} // editNumber (s32 ..)