A otk/focuslabel.cc

@@ -0,0 +1,76 @@ 
+#include <iostream>
+#include "focuslabel.hh"
+
+namespace otk {
+
+OtkFocusLabel::OtkFocusLabel(OtkWidget *parent)
+  : OtkFocusWidget(parent), _text(""), _dirty(false)
+{
+  setTexture(getStyle()->getLabelFocus());
+  setUnfocusTexture(getStyle()->getLabelUnfocus());
+}
+
+OtkFocusLabel::~OtkFocusLabel()
+{
+}
+
+void OtkFocusLabel::update(void)
+{
+  if (_dirty) {
+    const BFont &ft = getStyle()->getFont();
+    BColor *text_color = (isFocused() ? getStyle()->getTextFocus()
+                          : getStyle()->getTextUnfocus());
+    unsigned int bevel = getStyle()->getBevelWidth();
+
+    std::string t = _text; // the actual text to draw
+    int x = bevel;         // x coord for the text
+
+    // find a string that will fit inside the area for text
+    int max_length = width() - getBevelWidth() * 2;
+    if (max_length <= 0) {
+      t = ""; // can't fit anything
+    } else {
+      size_t text_len = t.size();
+      int length;
+      
+      do {
+        t.resize(text_len);
+        length = ft.measureString(t);
+      } while (length > max_length && text_len-- > 0);
+
+      // justify the text
+      switch (getStyle()->textJustify()) {
+      case Style::RightJustify:
+        x += max_length - length;
+        break;
+      case Style::CenterJustify:
+        x += (max_length - length) / 2;
+        break;
+      case Style::LeftJustify:
+        break;
+      }
+    }
+
+    OtkFocusWidget::update();
+
+    ft.drawString(getWindow(), x, bevel, *text_color, t);
+  } else
+    OtkFocusWidget::update();
+
+  _dirty = false;
+}
+
+int OtkFocusLabel::exposeHandler(const XExposeEvent &e)
+{
+  _dirty = true;
+  return OtkFocusWidget::exposeHandler(e);
+}
+
+int OtkFocusLabel::configureHandler(const XConfigureEvent &e)
+{
+  if (!(e.width == width() && e.height == height()))
+    _dirty = true;
+  return OtkFocusWidget::configureHandler(e);
+}
+
+}

A otk/focuslabel.hh

@@ -0,0 +1,30 @@ 
+#ifndef __label_hh
+#define __label_hh
+
+#include "focuswidget.hh"
+
+namespace otk {
+
+class OtkFocusLabel : public OtkFocusWidget {
+
+public:
+
+  OtkFocusLabel(OtkWidget *parent);
+  ~OtkFocusLabel();
+
+  inline const std::string &getText(void) const { return _text; }
+  void setText(const std::string &text) { _text = text; _dirty = true; }
+
+  void update(void);
+  int exposeHandler(const XExposeEvent &e);
+  int configureHandler(const XConfigureEvent &e);
+
+private:
+
+  std::string _text;
+  bool _dirty;
+};
+
+}
+
+#endif