fixed segfault when no keymap is installed

1 files changed, 2 insertions, 0 deletions

diff --git a/inputmethods/multikey/keyboard.cpp b/inputmethods/multikey/keyboard.cpp
index 949164a..d5a7afd 100644
--- a/inputmethods/multikey/keyboard.cpp
+++ b/inputmethods/multikey/keyboard.cpp
@@ -204,128 +204,130 @@ void Keyboard::drawKeyboard(QPainter &p, int row, int col)
 
     for (row = 1; row <= 5; row++) {
 
         int x = 0;
         int y = (row - 1) * keyHeight + (usePicks ? picks->height() : 0);
 
         p.setPen(keycolor_lines);
         p.drawLine(x, y, x + width(), y);
 
         for (int col = 0; col < keys->numKeys(row); col++) {
 
             QPixmap *pix = keys->pix(row, col);
             int keyWidth = keys->width(row, col);
 
 
             int keyWidthPix = defaultKeyWidth * keyWidth;
 
             if (keys->pressed(row, col)) 
                 p.fillRect(x+1, y+1, keyWidthPix - 1, 
                            keyHeight - 1, keycolor_pressed);
 
             ushort c = keys->uni(row, col);
 
             if (!pix) {
                 p.setPen(textcolor);
                 p.drawText(x, y, 
                    keyWidthPix, keyHeight,
                    AlignCenter, ((shift || lock) && keys->shift(c)) ? (QChar)keys->shift(c) : (QChar)c);
             }
             else {
                 // center the image in the middle of the key
                 p.drawPixmap( x + (keyWidthPix - pix->width())/2, 
                               y + (keyHeight - pix->height())/2 + 1, 
                               QPixmap(*pix) );
             }
 
             p.setPen(keycolor_lines);
             p.drawLine(x, y, x, y + keyHeight);
 
             x += keyWidthPix;
         }
 
 
     }
     p.drawLine(0, height() - 1, width(), height() - 1);
     p.drawLine(width() - 1, 0, width() - 1, height());
     }
 
 }
 
 
 /* Keyboard::mousePressEvent {{{1 */
 void Keyboard::mousePressEvent(QMouseEvent *e)
 {
     int row = (e->y() - (usePicks ? picks->height() : 0)) / keyHeight + 1;
     if (row > 5) row = 5;
 
     // figure out the column
     int col = 0; 
     for (int w = 0; e->x() >= w; col++)
         if (col < keys->numKeys(row)) // it segfaults if it trys to read past numKeys
             w += keys->width(row,col) * defaultKeyWidth;
         else break;
 
+    if (col <= 0) return;
+
     col --; // rewind one...
 
     qkeycode = keys->qcode(row, col);
     unicode = keys->uni(row, col);
 
     // might need to repaint if two or more of the same keys.
     // should be faster if just paint one key even though multiple keys exist.
     bool need_repaint = FALSE; 
 
     if (unicode == 0) { // either Qt char, or nothing
 
         if (qkeycode == Qt::Key_F1) { // toggle the pickboard
 
             if ( configdlg ) { 
                 delete (ConfigDlg *) configdlg; 
                 configdlg = 0;
             }
             else {
                configdlg = new ConfigDlg ();
                connect(configdlg, SIGNAL(setMapToDefault()), 
                        this, SLOT(setMapToDefault()));
                connect(configdlg, SIGNAL(setMapToFile(QString)), 
                        this, SLOT(setMapToFile(QString)));
                connect(configdlg, SIGNAL(pickboardToggled(bool)), 
                        this, SLOT(togglePickboard(bool)));
                connect(configdlg, SIGNAL(repeatToggled(bool)),
                        this, SLOT(toggleRepeat(bool)));
                connect(configdlg, SIGNAL(reloadKeyboard()),
                        this, SLOT(reloadKeyboard()));
                configdlg->showMaximized();
                configdlg->show();
                configdlg->raise();
             }
 
         } else if (qkeycode == Qt::Key_Control) {
             ctrl = keys->pressedPtr(row, col);
             need_repaint = TRUE;
             *ctrl = !keys->pressed(row, col);
 
         } else if (qkeycode == Qt::Key_Alt) {
             alt = keys->pressedPtr(row, col);
             need_repaint = TRUE;
             *alt = !keys->pressed(row, col);
 
         } else if (qkeycode == Qt::Key_Shift) {
             need_repaint = TRUE;
 
             if (shift) {
                 *shift = 0;
                 shift = 0;
             }
             else {
                 shift = keys->pressedPtr(row, col);
                 *shift = 1;
                 if (lock) {
                     *lock = 0;
                     lock = 0;
                 }
             }
 
         } else if (qkeycode == Qt::Key_CapsLock) {
             need_repaint = TRUE;
 
             if (lock) {