expose a preferredWidth of *Button's

3 files changed, 7 insertions, 0 deletions

diff --git a/src/FbTk/Button.hh b/src/FbTk/Button.hh
index 1f65799..c3276a6 100644
--- a/src/FbTk/Button.hh
+++ b/src/FbTk/Button.hh
@@ -55,6 +55,8 @@ public:
     virtual void setBackgroundColor(const Color &color);
     virtual bool setOrientation(FbTk::Orientation orient) { return orient == FbTk::ROT0; }
 
+    virtual unsigned int preferredWidth() const { return width(); }
+
     /**
        @name eventhandlers
      */
diff --git a/src/FbTk/TextButton.cc b/src/FbTk/TextButton.cc
index 4d05ecd..0cc1b51 100644
--- a/src/FbTk/TextButton.cc
+++ b/src/FbTk/TextButton.cc
@@ -112,6 +112,10 @@ unsigned int TextButton::textWidth() const {
     return font().textWidth(text());
 }
 
+unsigned int TextButton::preferredWidth() const {
+    return m_bevel + m_left_padding + m_right_padding + textWidth();
+}
+
 void TextButton::renderForeground(FbWindow &win, FbDrawable &drawable) {
     // (win should always be *this, no need to check)
     drawText(0, 0, &drawable);
diff --git a/src/FbTk/TextButton.hh b/src/FbTk/TextButton.hh
index fe92cc3..90c7c3d 100644
--- a/src/FbTk/TextButton.hh
+++ b/src/FbTk/TextButton.hh
@@ -62,6 +62,7 @@ public:
     unsigned int textWidth() const;
     int bevel() const { return m_bevel; }
 
+    virtual unsigned int preferredWidth() const;
 
 protected:
     virtual void drawText(int x_offset, int y_offset, FbDrawable *drawable_override);