From 0e3ed82bedabcfcd78dd8c16bbd59ada66bd2e56 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 2 Oct 2011 16:24:57 +0200
Subject: Convert velocity levels from 0-127 (midi) to 0.0-1.0 (more generic).

---
 dgedit/audioextractor.cc       |  6 +++---
 dgedit/canvastoolselections.cc |  1 +
 dgedit/samplesorter.cc         | 42 +++++++++++++++++++++---------------------
 dgedit/samplesorter.h          |  4 ++--
 4 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/dgedit/audioextractor.cc b/dgedit/audioextractor.cc
index 015d323..3d11f84 100644
--- a/dgedit/audioextractor.cc
+++ b/dgedit/audioextractor.cc
@@ -190,9 +190,9 @@ void AudioExtractor::exportSelections(Selections selections,
 
     Levels::iterator nxt = k;
     nxt++;
-    int next;
-    if(nxt == levels.end()) next = 127;
-    else next = nxt->velocity - 1;
+    float next;
+    if(nxt == levels.end()) next = 1.0;
+    else next = nxt->velocity;
     
 
     QDomElement velocity = doc.createElement("velocity");
diff --git a/dgedit/canvastoolselections.cc b/dgedit/canvastoolselections.cc
index ba2d6b0..35c8e05 100644
--- a/dgedit/canvastoolselections.cc
+++ b/dgedit/canvastoolselections.cc
@@ -184,6 +184,7 @@ void CanvasToolSelections::keyReleaseEvent(QKeyEvent *event)
 {
   if(active_selection && event->key() == Qt::Key_Delete) {
     _selections.remove(active_selection->from);
+    emit selectionsChanged(_selections);
     canvas->update();
   }
 }
diff --git a/dgedit/samplesorter.cc b/dgedit/samplesorter.cc
index 545c7cd..0338bd7 100644
--- a/dgedit/samplesorter.cc
+++ b/dgedit/samplesorter.cc
@@ -45,7 +45,7 @@ SampleSorter::SampleSorter()
   attlen = 666; // Magical constants needs biblical proportions...
 
   cur_thr = -1;
-  threshold.push_back(100);
+  threshold.push_back(0.8);
   threshold_is_moving = false;
 }
 
@@ -94,7 +94,7 @@ Levels SampleSorter::levels()
   for(int i = 0; i < threshold.size(); i++) {
     for(int j = 0; j < threshold.size(); j++) {
       if(threshold[i] < threshold[j]) {
-        int tmp = threshold[i];
+        float tmp = threshold[i];
         threshold[i] = threshold[j];
         threshold[j] = tmp;
       }
@@ -108,13 +108,13 @@ Levels SampleSorter::levels()
     if(i == -1) lvl.velocity = 0;
     else lvl.velocity = threshold[i];
     
-    int next;
-    if(i == threshold.size() - 1) next = 127;
+    float next;
+    if(i == threshold.size() - 1) next = 1.0;
     else next = threshold[i+1];
 
     QMap<float, Selection>::iterator i = sorted.begin();
     while(i != sorted.end()) {
-      float val = (i.key()/max)*127.0;
+      float val = (i.key()/max);
       if(val >= lvl.velocity && val <= next) {
         lvl.selections[i.key()] = i.value();
       }
@@ -170,9 +170,9 @@ void SampleSorter::setActiveSelection(Selection s)
 
 #define MAP(p) (height()-(int)(p*((float)height()/(float)width())))
 
-#define unmapX(x) ((double)x/(double)(width()-1)*127.0)
+#define unmapX(x) ((double)x/(double)(width()-1))
 #define unmapY(x) x
-#define mapX(x) (((double)x/127.0)*(width()-1))
+#define mapX(x) (((double)x)*(width()-1))
 #define mapY(x) x
 
 
@@ -198,6 +198,16 @@ void SampleSorter::paintEvent(QPaintEvent *event)
   painter.setPen(colFg);
   painter.drawLine(0,height(),width(),0);
 
+  for(int i = 0; i < threshold.size(); i++) {
+    if(cur_thr == i) painter.setPen(colPtSel);
+    else painter.setPen(colPt);
+    painter.drawLine(mapX(threshold[i]), 0, mapX(threshold[i]), height());
+    char valstr[32];
+    sprintf(valstr, "%.3f", threshold[i]);
+    painter.setPen(colVel);
+    painter.drawText(mapX(threshold[i]), height(), valstr);
+  }
+
   if(sorted.isEmpty()) return;
 
   QMap<float, Selection>::iterator i = sorted.begin();
@@ -209,24 +219,14 @@ void SampleSorter::paintEvent(QPaintEvent *event)
     drawCircle(painter, x, MAP(x));
     i++;
   }
-
-  for(int i = 0; i < threshold.size(); i++) {
-    if(cur_thr == i) painter.setPen(colPtSel);
-    else painter.setPen(colPt);
-    painter.drawLine(mapX(threshold[i]), 0, mapX(threshold[i]), height());
-    char valstr[32];
-    sprintf(valstr, "%d", (int)threshold[i]);
-    painter.setPen(colVel);
-    painter.drawText(mapX(threshold[i]), height(), valstr);
-  }
 }
 
 void SampleSorter::mouseMoveEvent(QMouseEvent *event)
 {
   if(cur_thr != -1 && cur_thr < threshold.size()) {
     float val = unmapX(event->x());
-    if(val < 0) val = 0;
-    if(val > 127) val = 127;
+    if(val < 0.0) val = 0.0;
+    if(val > 1.0) val = 1.0;
     threshold[cur_thr] = fabs(val);
     update();
     return;
@@ -259,7 +259,7 @@ void SampleSorter::mousePressEvent(QMouseEvent *event)
     }
 
     // Make new selection
-    int from = unmapX(event->x());
+    float from = unmapX(event->x());
     threshold.push_back(from);
     cur_thr = threshold.size() - 1;
     threshold_is_moving = true;
@@ -272,7 +272,7 @@ void SampleSorter::mouseReleaseEvent(QMouseEvent *event)
 {
   if(event->button() == Qt::LeftButton) {
     if(threshold_is_moving) {
-      if(threshold[cur_thr] == 0 || threshold[cur_thr] == 127) {
+      if(threshold[cur_thr] == 0.0 || threshold[cur_thr] == 1.0) {
         threshold.remove(cur_thr);
       }
       threshold_is_moving = false;
diff --git a/dgedit/samplesorter.h b/dgedit/samplesorter.h
index ff45f3e..f277ff1 100644
--- a/dgedit/samplesorter.h
+++ b/dgedit/samplesorter.h
@@ -33,7 +33,7 @@
 
 class Level {
 public:
-  int velocity;
+  float velocity;
   QMap<float, Selection> selections;
 };
 
@@ -74,7 +74,7 @@ private:
 
   Selection sel;
 
-  QVector<int> threshold;
+  QVector<double> threshold;
   bool threshold_is_moving;
   bool selection_is_moving_left;
   bool selection_is_moving_right;
-- 
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