added #69 (nice)

ui/collapsiblewidget.cpp

@@ -7,25 +7,34 @@
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QPushButton>
+#include <QMouseEvent>
+#include <QWidget>
+
+CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent) {
+    selected = false;
 
-CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent)
-{
 	layout = new QVBoxLayout(this);
 	layout->setMargin(0);
 
-	title_bar = new QHBoxLayout();
-	title_bar->setMargin(0);
+    title_bar = new CollapsibleWidgetHeader();
+    title_bar->setFocusPolicy(Qt::ClickFocus);
+    title_bar->setAutoFillBackground(true);
+    QHBoxLayout* title_bar_layout = new QHBoxLayout();
+    title_bar->setLayout(title_bar_layout);
+    title_bar_layout->setMargin(0);
 	enabled_check = new QCheckBox();
 	enabled_check->setChecked(true);
 	header = new QLabel();
 	collapse_button = new QPushButton("-");
 	collapse_button->setMaximumWidth(25);
 	setText("<untitled>");
-	title_bar->addWidget(collapse_button);
-	title_bar->addWidget(enabled_check);
-	title_bar->addWidget(header);
-	title_bar->addStretch();
-	layout->addLayout(title_bar);
+    title_bar_layout->addWidget(collapse_button);
+    title_bar_layout->addWidget(enabled_check);
+    title_bar_layout->addWidget(header);
+    title_bar_layout->addStretch();
+    layout->addWidget(title_bar);
+
+    connect(title_bar, SIGNAL(select(bool, bool)), this, SLOT(header_click(bool, bool)));
 
 	line = new QFrame();
 	line->setFrameShape(QFrame::HLine);
@@ -35,6 +44,24 @@ CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent)
 	contents = NULL;
 }
 
+void CollapsibleWidget::header_click(bool s, bool deselect) {
+    selected = s;
+    title_bar->selected = s;
+    if (s) {
+        QPalette p = palette();
+        p.setColor(QPalette::Background, QColor(255, 255, 255, 64));
+        title_bar->setPalette(p);
+    } else {
+        title_bar->setPalette(palette());
+    }
+    if (deselect) emit deselect_others(this);
+}
+
+bool CollapsibleWidget::is_focused() {
+    if (hasFocus()) return true;
+    return title_bar->hasFocus();
+}
+
 void CollapsibleWidget::setContents(QWidget* c) {
 	bool existing = (contents != NULL);
 	contents = c;
@@ -57,3 +84,19 @@ void CollapsibleWidget::on_visible_change() {
 	contents->setVisible(!contents->isVisible());
 	collapse_button->setText(contents->isVisible() ? "-" : "+");
 }
+
+CollapsibleWidgetHeader::CollapsibleWidgetHeader(QWidget* parent) : QWidget(parent) {
+    selected = false;
+}
+
+void CollapsibleWidgetHeader::mousePressEvent(QMouseEvent* event) {
+    if (selected) {
+        if ((event->modifiers() & Qt::ShiftModifier)) {
+            selected = false;
+            emit select(selected, false);
+        }
+    } else {
+        selected = true;
+        emit select(selected, !(event->modifiers() & Qt::ShiftModifier));
+    }
+}

ui/collapsiblewidget.h

@@ -9,6 +9,17 @@ class QVBoxLayout;
 class QPushButton;
 class QFrame;
 
+class CollapsibleWidgetHeader : public QWidget {
+    Q_OBJECT
+public:
+    CollapsibleWidgetHeader(QWidget* parent = 0);
+    bool selected = false;
+protected:
+    void mousePressEvent(QMouseEvent* event);
+signals:
+    void select(bool, bool);
+};
+
 class CollapsibleWidget : public QWidget
 {
 	Q_OBJECT
@@ -16,19 +27,27 @@ public:
 	CollapsibleWidget(QWidget* parent = 0);
 	void setContents(QWidget* c);
 	void setText(const QString &);
+    bool is_focused();
 
     QCheckBox* enabled_check;
+    bool selected;
 private:
 	QLabel* header;
-	QHBoxLayout* title_bar;
+    CollapsibleWidgetHeader* title_bar;
 	QVBoxLayout* layout;
 	QPushButton* collapse_button;
 	QWidget* contents;
 	QFrame* line;
 
+signals:
+    void deselect_others(QWidget*);
+
 private slots:
 	void on_enabled_change(bool b);
 	void on_visible_change();
+
+public slots:
+    void header_click(bool s, bool deselect);
 };
 
 #endif // COLLAPSIBLEWIDGET_H

ui/labelslider.cpp

@@ -1,6 +1,7 @@
 #include "labelslider.h"
 
 #include <QMouseEvent>
+#include <QInputDialog>
 #include <QApplication>
 
 LabelSlider::LabelSlider(QWidget* parent) : QLabel(parent)
@@ -15,15 +16,17 @@ LabelSlider::LabelSlider(QWidget* parent) : QLabel(parent)
 }
 
 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;
+    if (v != internal_value) {
+        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();
     }
-    setText(QString::number(v));
-    emit valueChanged();
 }
 
 float LabelSlider::value() {
@@ -70,6 +73,8 @@ void LabelSlider::mouseReleaseEvent(QMouseEvent *ev) {
         drag_start = false;
         if (drag_proc) {
             drag_proc = false;
+        } else {
+            set_value(QInputDialog::getDouble(this, "Set Value", "New value:", internal_value));
         }
     }
 }

ui/viewerwidget.cpp

@@ -10,6 +10,7 @@
 #include "io/media.h"
 
 #include <QDebug>
+#include <QPainter>
 
 extern "C" {
 	#include <libavformat/avformat.h>
@@ -138,6 +139,10 @@ void ViewerWidget::paintGL()
         }
     }
 
+    /*QPainter p(this);
+    p.drawText({0, 0, 200, 200}, "text!");
+    p.end();*/
+
     cc_lock.unlock();
 
     if (texture_failed) {