initial upload for the keyboard widget

1 files changed, 77 insertions, 0 deletions

diff --git a/noncore/apps/opie-console/function_keyboard.cpp b/noncore/apps/opie-console/function_keyboard.cpp
new file mode 100644
index 0000000..a3da5b2
--- a/dev/null
+++ b/noncore/apps/opie-console/function_keyboard.cpp
@@ -0,0 +1,77 @@
+#include "function_keyboard.h"
+#include <qsizepolicy.h> 
+
+FunctionKeyboard::FunctionKeyboard(QWidget *parent) : 
+    QFrame(parent), numRows(2), numCols(15), 
+    pressedRow(0), pressedCol(0) {
+
+    setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding));
+
+}
+
+FunctionKeyboard::~FunctionKeyboard() {
+
+}
+
+void FunctionKeyboard::paintEvent(QPaintEvent *e) {
+
+    QPainter p(this);
+    p.setClipRect(e->rect());
+    p.fillRect(0, 0, width(), height(), QColor(255,255,255));
+
+    /* those decimals do count! becomes short if use plain int */
+    for (double i = 0; i <= width(); i += keyWidth) {
+
+        p.setPen(QColor(0,0,0));
+        p.drawLine((int)i, 0, (int)i, height());
+    }
+
+    for (int i = 0; i <= height(); i += height()/numRows) {
+
+        p.setPen(QColor(0,0,0));
+        p.drawLine(0, i, width(), i);
+    }
+
+}
+
+void FunctionKeyboard::paintKey(int row, int col) {
+
+    QPainter p(this);
+    p.fillRect(QRect(QPoint(col * keyWidth + 1, row * keyHeight + 1), 
+                     QPoint((col + 1) * keyWidth - 1, row * keyHeight + keyHeight- 1)), 
+               (pressedRow != -1 && pressedCol != -1 ) ? QColor(97,119,155) : QColor(255,255,255));
+}
+
+void FunctionKeyboard::mousePressEvent(QMouseEvent *e) {
+
+    pressedRow = e->y() / keyHeight;
+    pressedCol = e->x() / keyWidth;
+
+    paintKey(pressedRow, pressedCol);
+}
+
+void FunctionKeyboard::mouseReleaseEvent(QMouseEvent *) {
+
+    if (pressedRow != -1 && pressedRow != -1) {
+
+        int row = pressedRow; pressedRow = -1;
+        int col = pressedCol; pressedCol = -1;
+        paintKey(row, col);
+    }
+}
+
+
+void FunctionKeyboard::resizeEvent(QResizeEvent*) {
+
+    /* set he default font height/width */
+    QFontMetrics fm=fontMetrics();
+    keyHeight = fm.lineSpacing() + 2;
+    keyWidth = (double)width()/numCols;
+
+}
+
+QSize FunctionKeyboard::sizeHint() const {
+
+    return QSize(width(), keyHeight * numRows + 1);
+}
+