Enabled window resizing

kcalc.cpp

@@ -112,8 +112,6 @@ KCalculator::KCalculator(QWidget *parent)
 
     updateGeometry();
 
-    layout()->setSizeConstraint(QLayout::SetFixedSize);
-
     updateDisplay(UPDATE_FROM_CORE);
     // clear history, otherwise we have a leading "0" in it
     calc_history->clearHistory();
@@ -688,7 +686,7 @@ void KCalculator::updateGeometry()
     const auto leftPadList = leftPad->children();
     for (QObject *obj : leftPadList) {
         if (auto const button = qobject_cast<KCalcButton *>(obj)) {
-            button->setFixedWidth(em.width() * 4 + margin * 2);
+            button->setMinimumWidth(em.width() * 4 + margin * 2);
             button->installEventFilter(this);
         }
     }
@@ -699,7 +697,7 @@ void KCalculator::updateGeometry()
         auto const button = qobject_cast<KCalcButton *>(obj);
         // let Shift expand freely
         if (button && button != pbShift) {
-            button->setFixedWidth(em.width() * 3 + margin * 2);
+            button->setMinimumWidth(em.width() * 3 + margin * 2);
             button->installEventFilter(this);
         }
     }
@@ -710,7 +708,7 @@ void KCalculator::updateGeometry()
         if (auto const button = qobject_cast<KCalcButton *>(obj)) {
             // let pb0 expand freely
             if (button != pb0) {
-                button->setFixedWidth(em.width() * 3 + margin * 2);
+                button->setMinimumWidth(em.width() * 3 + margin * 2);
             }
             button->installEventFilter(this);
         }

kcalc.ui

@@ -28,7 +28,7 @@
      <item>
       <widget class="KCalcDisplay" name="calc_display">
        <property name="sizePolicy">
-        <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
          <horstretch>0</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
@@ -47,7 +47,7 @@
      <item>
       <widget class="KCalcBitset" name="mBitset" native="true">
        <property name="sizePolicy">
-        <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
          <horstretch>0</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
@@ -80,19 +80,6 @@
          </property>
         </widget>
        </item>
-       <item>
-        <spacer>
-         <property name="orientation">
-          <enum>Qt::Horizontal</enum>
-         </property>
-         <property name="sizeHint" stdset="0">
-          <size>
-           <width>40</width>
-           <height>20</height>
-          </size>
-         </property>
-        </spacer>
-       </item>
        <item>
         <layout class="QVBoxLayout" name="verticalLayout" stretch="0,0">
          <property name="leftMargin">