- split einput contents to own files

 - add string input

1 files changed, 207 insertions, 0 deletions

diff --git a/lib/gui/einputnumber.cpp b/lib/gui/einputnumber.cpp
new file mode 100644
index 00000000..29c78801
--- /dev/null
+++ b/lib/gui/einputnumber.cpp
@@ -0,0 +1,207 @@
+#include <lib/gui/einputnumber.h>
+#include <linux/input.h>
+
+DEFINE_REF(eInputContentNumber);
+
+eInputContentNumber::eInputContentNumber(int cur, int min, int max)
+{
+	m_min = min;
+	m_max = max;
+	m_value = cur;
+	m_cursor = 0;
+	m_input = 0;
+	recalcLen();
+}
+
+void eInputContentNumber::getDisplay(std::string &res, int &cursor)
+{
+	// TODO
+	char r[128];
+	
+	int e = 1;
+	for (int i = 1; i < m_len; ++i)
+		e *= 10;
+
+	int v = m_value;
+	
+	int i;
+	for (i = 0; i < m_len; ++i)
+	{
+		int rem = v / e;
+		r[i] = '0' + rem;
+		v %= e;
+		
+		e /= 10;
+	}
+	
+	r[i] = 0;
+	
+	res = r;
+	cursor = m_cursor;
+}
+
+void eInputContentNumber::moveCursor(int dir)
+{
+	eDebug("move cursor..");
+	int old_cursor = m_cursor;
+	
+	switch (dir)
+	{
+	case dirLeft:
+		--m_cursor;
+		break;
+	case dirRight:
+		++m_cursor;
+		break;
+	case dirHome:
+		m_cursor = 0;
+		break;
+	case dirEnd:
+		m_cursor = m_len;
+		break;
+	}
+	
+	if (m_cursor < 0)
+		m_cursor = 0;
+	if (m_cursor > m_len)
+		m_cursor = m_len;
+	
+	if (m_cursor != old_cursor)
+		if (m_input)
+			m_input->invalidate();
+}
+
+int eInputContentNumber::haveKey(int code, int overwrite)
+{
+	int have_digit = -1;
+
+		/* we handle KEY_KPx, but not KEY_x. otherwise we would get stuff twice. */
+#define ASCII(x) (x | 0x8000)
+#define DIGIT(x) /* case KEY_##x: */ case KEY_KP##x: case ASCII(x|0x30): have_digit=x; break;
+	switch (code)
+	{
+	DIGIT(0);
+	DIGIT(1);
+	DIGIT(2);
+	DIGIT(3);
+	DIGIT(4);
+	DIGIT(5);
+	DIGIT(6);
+	DIGIT(7);
+	DIGIT(8);
+	DIGIT(9);
+	default:
+		return 0;
+	}
+	
+	if (have_digit != -1)
+	{
+		insertDigit(m_cursor, have_digit);
+			/* if overwrite and not end of line, erase char first. */
+		if (overwrite && m_cursor < m_len)
+			insertDigit(m_cursor + 1, -1);
+		else
+			++m_len;
+		
+		m_cursor++;
+		
+		assert(m_cursor <= m_len);
+ 
+		if (m_input)
+			m_input->invalidate();
+		return 1;
+	}
+	return 0;
+}
+
+void eInputContentNumber::deleteChar(int dir)
+{
+	if (dir == deleteForward)
+	{
+		eDebug("forward");
+		if (m_cursor != m_len)
+			++m_cursor;
+		else
+			return;
+	}
+		/* backward delete at begin */
+	if (!m_cursor)
+		return;
+	
+	if (!m_len)
+		return;
+	
+	insertDigit(m_cursor, -1);
+	
+	m_len--;
+	m_cursor--;
+
+	if (m_input)
+		m_input->invalidate();
+}
+
+int eInputContentNumber::isValid()
+{
+	return m_value >= m_min && m_value <= m_max;
+}
+
+void eInputContentNumber::validate()
+{
+	recalcLen();
+}
+
+void eInputContentNumber::setValue(int val)
+{
+	m_value = val;
+	recalcLen();
+	if (m_cursor > m_len)
+		m_cursor = m_len;
+	if (m_input)
+		m_input->invalidate();
+}
+
+int eInputContentNumber::getValue()
+{
+	return m_value;
+}
+
+void eInputContentNumber::recalcLen()
+{
+	int v = m_value;
+	m_len = 0;
+	while (v)
+	{
+		++m_len;
+		v /= 10;
+	}
+	
+	if (!m_len) /* zero */
+		m_len = 1;
+}
+
+void eInputContentNumber::insertDigit(int pos, int dig)
+{
+		/* get stuff left from cursor */
+	int exp = 1;
+	int i;
+	for (i = 0; i < (m_len - pos); ++i)
+		exp *= 10;
+	
+		/* now it's 1...max */
+	int left = m_value / exp;
+	int right = m_value % exp;
+	
+	if (dig >= 0)
+	{
+		left *= 10;
+		left += dig;
+	} else if (dig == -1) /* delete */
+	{
+		left /= 10;
+	}
+	
+	left *= exp;
+	left += right;
+	m_value = left;
+}
+