Moved LabelPadding into View

[pulseview.git] / pv / signal.h

diff --git a/pv/signal.h b/pv/signal.h
index 1b2f5df92a7221813e0dbb6afbdb7de74eac172c..951ae3172bc576cd12e76dd9ccf349d937584cd4 100644 (file)
--- a/pv/signal.h
+++ b/pv/signal.h
@@ -18,6 +18,9 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#ifndef PULSEVIEW_PV_SIGNAL_H
+#define PULSEVIEW_PV_SIGNAL_H
+
 #include <boost/shared_ptr.hpp>
 
 #include <QPainter>
@@ -33,14 +36,22 @@ class SignalData;
 class Signal
 {
 private:
-       static const QSizeF LabelPadding;
+       static const int LabelHitPadding;
 
 protected:
        Signal(QString name);
 
 public:
+       /**
+        * Gets the name of this signal.
+        */
        QString get_name() const;
 
+       /**
+        * Sets the name of the signal.
+        */
+       void set_name(QString name);
+
        /**
         * Paints the signal with a QPainter
         * @param p the QPainter to paint into.
@@ -52,23 +63,39 @@ public:
        virtual void paint(QPainter &p, const QRect &rect, double scale,
                double offset) = 0;
 
+
+       /**
+        * Paints the signal label into a QGLWidget.
+        * @param p the QPainter to paint into.
+        * @param rect the rectangular area to draw the label into.
+        * @param hover true if the label is being hovered over by the mouse.
+        */
+       virtual void paint_label(QPainter &p, const QRect &rect,
+               bool hover);
+
+       /**
+        * Determines if a point is in the header label rect.
+        * @param rect the rectangular area to draw the label into.
+        * @param point the point to test.
+        */
+       bool pt_in_label_rect(const QRect &rect, const QPoint &point);
+
+private:
+
+       /**
+        * Computes an caches the size of the label text.
+        */
+       void compute_text_size(QPainter &p);
+
        /**
         * Computes the outline rectangle of a label.
         * @param p the QPainter to lay out text with.
         * @param rect The rectangle of the signal header.
         * @return Returns the rectangle of the signal label.
         */
-       virtual QRectF get_label_rect(QPainter &p, const QRect &rect);
-       
-       /**
-        * Paints the signal label into a QGLWidget.
-        * @param p the QPainter to paint into.
-        * @param rect the rectangular area to draw the label into.
-        */
-       virtual void paint_label(QPainter &p, const QRect &rect);
+       QRectF get_label_rect(const QRect &rect);
 
 protected:
-
        /**
         * Get the colour of the logic signal
         */
@@ -82,6 +109,9 @@ protected:
 
 protected:
        QString _name;
+       QSizeF _text_size;
 };
 
 } // namespace pv
+
+#endif // PULSEVIEW_PV_SIGNAL_H