From 91d5bb754933ec128238a3a570d59e4d74c5c349 Mon Sep 17 00:00:00 2001
From: "Johan B. C. Engelen" <jbc.engelen@swissonline.ch>
Date: Fri, 15 Apr 2011 01:02:53 +0200
Subject: ScalarUnit: add functionality to grab focus and select the entry
 text. and add setValueKeepUnit

(bzr r10165)
---
 src/ui/widget/scalar-unit.cpp | 22 ++++++++++++++++++++++
 src/ui/widget/scalar-unit.h   |  3 +++
 2 files changed, 25 insertions(+)

(limited to 'src')

diff --git a/src/ui/widget/scalar-unit.cpp b/src/ui/widget/scalar-unit.cpp
index e00e82198..533f0a200 100644
--- a/src/ui/widget/scalar-unit.cpp
+++ b/src/ui/widget/scalar-unit.cpp
@@ -118,6 +118,19 @@ ScalarUnit::setValue(double number, Glib::ustring const &units) {
     Scalar::setValue(number);
 }
 
+/** Convert and sets the number only and keeps the current unit.  */
+void
+ScalarUnit::setValueKeepUnit(double number, Glib::ustring const &units) {
+    g_assert(_unit_menu != NULL);
+    if (units == "") {
+        // set the value in the default units
+        Scalar::setValue(number);
+    } else {
+        double conversion = _unit_menu->getConversion(units);
+        Scalar::setValue(number / conversion);
+    }
+}
+
 /** Sets the number only */
 void
 ScalarUnit::setValue(double number) {
@@ -137,6 +150,15 @@ ScalarUnit::getValue(Glib::ustring const &unit_name) const {
     }
 }
 
+/** Grab focus, and select the text that is in the entry field.
+ */
+void
+ScalarUnit::grabFocusAndSelectEntry() {
+    _widget->grab_focus();
+    static_cast<SpinButton*>(_widget)->select_region(0, 20);
+}
+
+
 void
 ScalarUnit::setHundredPercent(double number)
 {
diff --git a/src/ui/widget/scalar-unit.h b/src/ui/widget/scalar-unit.h
index d8b2edbd5..8f6c8e210 100644
--- a/src/ui/widget/scalar-unit.h
+++ b/src/ui/widget/scalar-unit.h
@@ -41,8 +41,11 @@ public:
 
     bool      setUnit(Glib::ustring const &units);
     void      setValue(double number, Glib::ustring const &units);
+    void      setValueKeepUnit(double number, Glib::ustring const &units);
     void      setValue(double number);
 
+    void      grabFocusAndSelectEntry();
+
     void      setHundredPercent(double number);
     void      setAbsoluteIsIncrement(bool value);
     void      setPercentageIsIncrement(bool value);
-- 
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