reimplemented UINumeric

ui/labelslider.cpp

@@ -0,0 +1,75 @@
+#include "labelslider.h"
+
+#include <QMouseEvent>
+#include <QApplication>
+
+LabelSlider::LabelSlider(QWidget* parent) : QLabel(parent)
+{
+    drag_start = false;
+    min_enabled = false;
+    max_enabled = false;
+    setStyleSheet("QLabel{color:#ffc000;text-decoration:underline;}");
+    setCursor(Qt::SizeHorCursor);
+    set_value(0);
+    set_default_value(0);
+}
+
+void LabelSlider::set_value(float v) {
+    if (min_enabled && v < min_value) {
+        internal_value = min_value;
+    } else if (max_enabled && v > max_value) {
+        internal_value = max_value;
+    } else {
+        internal_value = v;
+    }
+    setText(QString::number(v));
+    emit valueChanged();
+}
+
+float LabelSlider::value() {
+    return internal_value;
+}
+
+void LabelSlider::set_default_value(float v) {
+    default_value = v;
+    set_value(v);
+}
+
+void LabelSlider::set_minimum_value(float v) {
+    min_value = v;
+    min_enabled = true;
+}
+
+void LabelSlider::set_maximum_value(float v) {
+    max_value = v;
+    max_enabled = true;
+}
+
+void LabelSlider::mousePressEvent(QMouseEvent *ev) {
+    if (ev->modifiers() & Qt::AltModifier) {
+        set_value(default_value);
+    } else {
+        qApp->setOverrideCursor(Qt::BlankCursor);
+        drag_start = true;
+        drag_start_x = cursor().pos().x();
+        drag_start_y = cursor().pos().y();
+    }
+}
+
+void LabelSlider::mouseMoveEvent(QMouseEvent *ev) {
+    if (drag_start) {
+        set_value(internal_value + (cursor().pos().x()-drag_start_x) + (drag_start_y-cursor().pos().y()));
+        cursor().setPos(drag_start_x, drag_start_y);
+        drag_proc = true;
+    }
+}
+
+void LabelSlider::mouseReleaseEvent(QMouseEvent *ev) {
+    if (drag_start) {
+        qApp->restoreOverrideCursor();
+        drag_start = false;
+        if (drag_proc) {
+            drag_proc = false;
+        }
+    }
+}