color_button.cpp
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30 #include <mapviz/color_button.h>
31 
32 #include <QColorDialog>
33 
34 namespace mapviz
35 {
36 ColorButton::ColorButton(QWidget *parent)
37  :
38  QPushButton(parent)
39 {
40  setColor(Qt::black);
41  QObject::connect(this, SIGNAL(clicked(bool)),
42  this, SLOT(handleClicked()));
43 }
44 
45 void ColorButton::setColor(const QColor &color)
46 {
47  if (!color.isValid() || color == color_) {
48  return;
49  }
50 
51  color_ = color;
52  // This was a very strange bug. On initialization, the constructor
53  // would set the stylesheet to black, then the external owner would
54  // call setColor to change the color to something else. We would
55  // properly set the internal color_ and stylesheet, but it would
56  // continue to display black. If the user changed the color, it
57  // would change properly. Calling setStylesheet() twice fixes the
58  // behavior.
59  setStyleSheet("background: " + color_.name());
60  setStyleSheet("background: " + color_.name());
61  Q_EMIT colorChanged(color_);
62 }
63 
65 {
66  // Note: We do not pass ourself as the parent or else the dialog
67  // will inherit our color as the background!
68  QColor new_color = QColorDialog::getColor(color_);
69  if (!new_color.isValid() || new_color == color_) {
70  return;
71  }
72  setColor(new_color);
73  Q_EMIT colorEdited(new_color);
74 }
75 } // namespace mapviz
void setColor(const QColor &color)
const QColor & color() const
Definition: color_button.h:58
void colorChanged(const QColor &color)
void colorEdited(const QColor &color)
ColorButton(QWidget *parent=0)


mapviz
Author(s): Marc Alban
autogenerated on Fri Dec 16 2022 03:59:30