From 515c979e41c75acc7370d34788c0a551903d3f0d Mon Sep 17 00:00:00 2001
From: lupoDharkael <izhe@hotmail.es>
Date: Wed, 24 May 2017 14:43:09 +0200
Subject: [PATCH] Add color for selected button

---
 src/capture/button.cpp        |  2 +-
 src/capture/button.h          |  2 +-
 src/capture/buttonhandler.h   |  2 +-
 src/capture/capturewidget.cpp | 20 +++++++++++++++++---
 src/capture/capturewidget.h   |  4 +++-
 5 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/src/capture/button.cpp b/src/capture/button.cpp
index 4d9e7aca..11292b4b 100644
--- a/src/capture/button.cpp
+++ b/src/capture/button.cpp
@@ -191,7 +191,7 @@ void Button::mouseReleaseEvent(QMouseEvent *e) {
 //        } else if (m_buttonType == Type::colorPicker) {
 
 //        }
-        Q_EMIT typeEmited(m_buttonType);
+        Q_EMIT pressedButton(this);
     }
     m_pressed = false;
 }
diff --git a/src/capture/button.h b/src/capture/button.h
index f6b8d0fa..583ac984 100644
--- a/src/capture/button.h
+++ b/src/capture/button.h
@@ -74,7 +74,7 @@ protected:
 signals:
     void hovered();
     void mouseExited();
-    void typeEmited(Type);
+    void pressedButton(Button *);
 
 private:
     Button(QWidget *parent = 0);
diff --git a/src/capture/buttonhandler.h b/src/capture/buttonhandler.h
index d24d5c81..7c25094c 100644
--- a/src/capture/buttonhandler.h
+++ b/src/capture/buttonhandler.h
@@ -42,8 +42,8 @@ public:
 private:
     QVector<QPoint> getHPoints(const QPoint &center, const int elements) const;
     QVector<QPoint> getVPoints(const QPoint &center, const int elements) const;
-
     QVector<Button*> m_vectorButtons;
+
     int m_distance;
 };
 
diff --git a/src/capture/capturewidget.cpp b/src/capture/capturewidget.cpp
index 2ff58ada..465ccd64 100644
--- a/src/capture/capturewidget.cpp
+++ b/src/capture/capturewidget.cpp
@@ -38,7 +38,7 @@
 #include <QSettings>
 #include <QNetworkReply>
 #include <QDesktopServices>
-#include <QLineEdit>
+#include <QGraphicsColorizeEffect>
 
 // CaptureWidget is the main component used to capture the screen. It contains an
 // are of selection with its respective buttons.
@@ -83,6 +83,9 @@ CaptureWidget::CaptureWidget(QWidget *parent) :
     resize(m_screenshot->getScreenshot().size());
     // init interface color
     m_uiColor = QSettings().value("uiColor").value<QColor>();
+    m_reversedUiColor = QColor(255 - m_uiColor.red(),
+                              255 - m_uiColor.green(),
+                              255 - m_uiColor.blue());
     show();
 
     m_colorPicker = new ColorPicker(this);
@@ -107,9 +110,10 @@ void CaptureWidget::redefineButtons() {
         if (t == Button::Type::selectionIndicator) {
             m_sizeIndButton = b;
         }
+
         connect(b, &Button::hovered, this, &CaptureWidget::enterButton);
         connect(b, &Button::mouseExited, this, &CaptureWidget::leaveButton);
-        connect(b, &Button::typeEmited, this, &CaptureWidget::setState);
+        connect(b, &Button::pressedButton, this, &CaptureWidget::setState);
         vectorButtons << b;
     }
     m_buttonHandler->setButtons(vectorButtons);
@@ -428,7 +432,8 @@ void CaptureWidget::downResize() {
     }
 }
 
-void CaptureWidget::setState(Button::Type t) {
+void CaptureWidget::setState(Button *b) {
+    Button::Type t = b->getButtonType();
     if(t == Button::Type::selectionIndicator ||
             //t == Button::Type::mouseVisibility ||
             t == Button::Type::colorPicker) {
@@ -450,6 +455,15 @@ void CaptureWidget::setState(Button::Type t) {
         uploadScreenshot();
     } else {
         m_state = newState;
+        if (m_lastPressedButton) {
+            m_lastPressedButton->setGraphicsEffect(0);
+        }
+        m_lastPressedButton = b;
+        if (m_state != Button::Type::move) {
+            QGraphicsColorizeEffect *e =new QGraphicsColorizeEffect(this);
+            e->setColor(m_reversedUiColor);
+            m_lastPressedButton->setGraphicsEffect(e);
+        }
     }
 }
 
diff --git a/src/capture/capturewidget.h b/src/capture/capturewidget.h
index f30dfeaf..9ad1e5c1 100644
--- a/src/capture/capturewidget.h
+++ b/src/capture/capturewidget.h
@@ -65,7 +65,7 @@ private slots:
     void upResize();
     void downResize();
 
-    void setState(Button::Type);
+    void setState(Button *);
 
 protected:
     void paintEvent(QPaintEvent *);
@@ -112,11 +112,13 @@ private:
     QRect getExtendedSelection() const;
     QVector<CaptureModification> m_modifications;
     QPointer<Button> m_sizeIndButton;
+    QPointer<Button> m_lastPressedButton;
 
     Button::Type m_state;
     ButtonHandler *m_buttonHandler;
 
     QColor m_uiColor;
+    QColor m_reversedUiColor;
     ColorPicker *m_colorPicker;
 };