From a9e821dc6d7201678d8991f67f090235c29d4ad4 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Wed, 10 Sep 2014 19:14:11 +0200
Subject: Add 'spreader' slider to generate tab.

---
 src/mainwindow.cc      |  7 +++++++
 src/mainwindow.h       |  1 +
 src/samplesorter.cc    | 21 +++++++++++++++------
 src/samplesorter.h     |  4 ++++
 src/selectioneditor.cc |  2 ++
 5 files changed, 29 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/mainwindow.cc b/src/mainwindow.cc
index 05562b6..59fc26a 100644
--- a/src/mainwindow.cc
+++ b/src/mainwindow.cc
@@ -343,6 +343,13 @@ QWidget *MainWindow::createGenerateTab()
           tool_selections, SLOT(autoCreateSelectionsPreview()));
   slider_attacklength->setValue(300);
 
+  slider_spread = createAttribute(w, "Power spread:", 1, 2000);
+  connect(slider_spread, SIGNAL(valueChanged(int)),
+          sorter, SLOT(setSpreadFactor(int)));
+  connect(slider_spread, SIGNAL(valueChanged(int)),
+          tool_selections, SLOT(autoCreateSelectionsPreview()));
+  slider_spread->setValue(1000);
+
   slider_hold = createAttribute(w, "Minimum size (samples):", 0, 200000);
   connect(slider_hold, SIGNAL(valueChanged(int)),
           tool_selections, SLOT(holdChanged(int)));
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 69a4c5e..b512f50 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -107,6 +107,7 @@ private:
   QScrollBar *sb_playsamples;
   QComboBox *presets;
   QSlider *slider_attacklength;
+  QSlider *slider_spread;
   QSlider *slider_hold;
   QSlider *slider_falloff;
   QSlider *slider_fadelength;
diff --git a/src/samplesorter.cc b/src/samplesorter.cc
index 00139e2..c32030a 100644
--- a/src/samplesorter.cc
+++ b/src/samplesorter.cc
@@ -46,6 +46,8 @@ SampleSorter::SampleSorter(Selections &s, Selections &p)
   attlen = 666; // Magical constants needs biblical proportions...
 
   sel_moving = SEL_NONE;
+
+  setSpreadFactor(1000);
 }
 
 void SampleSorter::setShowPreview(bool s)
@@ -66,6 +68,13 @@ int SampleSorter::attackLength()
   return attlen;
 }
 
+void SampleSorter::setSpreadFactor(int s)
+{
+  spread = (double)s / 1000.0;
+  spread *= spread;
+  relayout();
+}
+
 void SampleSorter::setAttackLength(int len)
 {
   attlen = len;
@@ -84,7 +93,7 @@ void SampleSorter::addSelection(sel_id_t id)
     energy += data[idx] * data[idx];
   }
     
-  s.energy = energy;
+  s.energy = pow(energy, spread);
   selections.update(id, s);
 
   relayout();
@@ -102,7 +111,7 @@ void SampleSorter::addSelectionPreview(sel_id_t id)
     energy += data[idx] * data[idx];
   }
     
-  s.energy = energy;
+  s.energy = pow(energy, spread);
   selections_preview.update(id, s);
 
   relayout();
@@ -179,9 +188,9 @@ void SampleSorter::paintEvent(QPaintEvent *event)
       Selection sel = selections.get(*i);
       if(*i == selections.active()) painter.setPen(colPtSel);
       else painter.setPen(colPt);
-      float x = sel.energy / max;
+      float x = (sel.energy / max);
       x = sqrt(x);
-      x *= (float)width();
+      x *= (float)width() * 0.9;
       drawCircle(painter, x, MAP(x));
       i++;
     }
@@ -193,9 +202,9 @@ void SampleSorter::paintEvent(QPaintEvent *event)
     while(i != ids.end()) {
       Selection sel = selections_preview.get(*i);
       painter.setPen(colPtPreview);
-      float x = sel.energy / max;
+      float x = (sel.energy / max);
       x = sqrt(x);
-      x *= (float)width();
+      x *= (float)width() * 0.9;
       drawCircle(painter, x, MAP(x));
       i++;
     }
diff --git a/src/samplesorter.h b/src/samplesorter.h
index ada7fd8..ed86b9d 100644
--- a/src/samplesorter.h
+++ b/src/samplesorter.h
@@ -48,6 +48,8 @@ public slots:
 
   void setShowPreview(bool show_preview);
 
+  void setSpreadFactor(int spread);
+
 protected:
   void paintEvent(QPaintEvent *event);
   void mouseMoveEvent(QMouseEvent *event);
@@ -73,6 +75,8 @@ private:
   Selection sel;
 
   sel_id_t sel_moving;
+
+  double spread;
 };
 
 #endif/*__DRUMGIZMO_SAMPLESORTER_H__*/
diff --git a/src/selectioneditor.cc b/src/selectioneditor.cc
index e8db104..5f3057b 100644
--- a/src/selectioneditor.cc
+++ b/src/selectioneditor.cc
@@ -60,6 +60,8 @@ SelectionEditor::SelectionEditor(Selections &s)
   fadeout = createWidget("FadeOut:", this);
   energy = createWidget("Energy:", this);
   name = createWidget("Name:", this);
+
+  ((QHBoxLayout *)layout())->addStretch();
 }
 
 void SelectionEditor::updateSelection()
-- 
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