v1.4.4

source/windowing/StarLabelWidget.cpp

@@ -0,0 +1,112 @@
+#include "StarLabelWidget.hpp"
+#include "StarRoot.hpp"
+#include "StarAssets.hpp"
+
+namespace Star {
+
+LabelWidget::LabelWidget(String text,
+    Color const& color,
+    HorizontalAnchor const& hAnchor,
+    VerticalAnchor const& vAnchor,
+    Maybe<unsigned> wrapWidth,
+    Maybe<float> lineSpacing)
+  : m_color(color),
+    m_hAnchor(hAnchor),
+    m_vAnchor(vAnchor),
+    m_wrapWidth(move(wrapWidth)),
+    m_lineSpacing(move(lineSpacing)) {
+  auto assets = Root::singleton().assets();
+  m_fontSize = assets->json("/interface.config:font").getInt("baseSize");
+  setText(move(text));
+}
+
+String const& LabelWidget::text() const {
+  return m_text;
+}
+
+Maybe<unsigned> LabelWidget::getTextCharLimit() const {
+  return m_textCharLimit;
+}
+
+void LabelWidget::setText(String newText) {
+  m_text = move(newText);
+  updateTextRegion();
+}
+
+void LabelWidget::setFontSize(int fontSize) {
+  m_fontSize = fontSize;
+  updateTextRegion();
+}
+
+void LabelWidget::setColor(Color newColor) {
+  m_color = move(newColor);
+}
+
+void LabelWidget::setAnchor(HorizontalAnchor hAnchor, VerticalAnchor vAnchor) {
+  m_hAnchor = hAnchor;
+  m_vAnchor = vAnchor;
+  updateTextRegion();
+}
+
+void LabelWidget::setWrapWidth(Maybe<unsigned> wrapWidth) {
+  m_wrapWidth = move(wrapWidth);
+  updateTextRegion();
+}
+
+void LabelWidget::setLineSpacing(Maybe<float> lineSpacing) {
+  m_lineSpacing = move(lineSpacing);
+  updateTextRegion();
+}
+
+void LabelWidget::setDirectives(String const& directives) {
+  m_processingDirectives = directives;
+  updateTextRegion();
+}
+
+void LabelWidget::setTextCharLimit(Maybe<unsigned> charLimit) {
+  m_textCharLimit = charLimit;
+  updateTextRegion();
+}
+
+RectI LabelWidget::relativeBoundRect() const {
+  return RectI(m_textRegion).translated(relativePosition());
+}
+
+RectI LabelWidget::getScissorRect() const {
+  return noScissor();
+}
+
+void LabelWidget::renderImpl() {
+  context()->setFontSize(m_fontSize);
+  context()->setFontColor(m_color.toRgba());
+  context()->setFontProcessingDirectives(m_processingDirectives);
+
+  if (m_lineSpacing)
+    context()->setLineSpacing(*m_lineSpacing);
+  else
+    context()->setDefaultLineSpacing();
+
+  context()->renderInterfaceText(m_text, {Vec2F(screenPosition()), m_hAnchor, m_vAnchor, m_wrapWidth, m_textCharLimit});
+
+  context()->setFontProcessingDirectives("");
+  context()->setDefaultLineSpacing();
+}
+
+void LabelWidget::updateTextRegion() {
+  context()->setFontSize(m_fontSize);
+  context()->setFontColor(m_color.toRgba());
+  context()->setFontProcessingDirectives(m_processingDirectives);
+
+  if (m_lineSpacing)
+    context()->setLineSpacing(*m_lineSpacing);
+  else
+    context()->setDefaultLineSpacing();
+
+  m_textRegion = RectI(context()->determineInterfaceTextSize(m_text, {Vec2F(), m_hAnchor, m_vAnchor, m_wrapWidth, m_textCharLimit}));
+  setSize(m_textRegion.size());
+
+  context()->setFontProcessingDirectives("");
+  context()->setDefaultLineSpacing();
+}
+
+}