added auto resizing input & settings

2017-01-21 05:14:27 +01:00
parent d215bd58b0
commit a114bd1204
12 changed files with 108 additions and 9 deletions
@@ -0,0 +1,51 @@
+#ifndef RESIZINGTEXTEDIT_H
+#define RESIZINGTEXTEDIT_H
+
+#include <QTextEdit>
+
+class ResizingTextEdit : public QTextEdit
+{
+public:
+    ResizingTextEdit()
+    {
+        auto sizePolicy = this->sizePolicy();
+        sizePolicy.setHeightForWidth(true);
+        sizePolicy.setVerticalPolicy(QSizePolicy::Preferred);
+        this->setSizePolicy(sizePolicy);
+
+        QObject::connect(this, &QTextEdit::textChanged, this, &updateGeometry);
+    }
+
+    QSize
+    sizeHint() const override
+    {
+        return QSize(this->width(), this->heightForWidth(this->width()));
+    }
+
+    bool
+    hasHeightForWidth() const override
+    {
+        return true;
+    }
+
+protected:
+    int
+    heightForWidth(int w) const override
+    {
+        auto margins = this->contentsMargins();
+
+        int documentWidth;
+
+        if (w >= margins.left() + margins.right()) {
+            documentWidth = w - margins.left() - margins.right();
+        } else {
+            documentWidth = 0;
+        }
+
+        auto document = this->document()->clone();
+
+        return margins.top() + document->size().height() + margins.bottom() + 2;
+    }
+};
+
+#endif  // RESIZINGTEXTEDIT_H