From c780da1c2fbe5983ab7a0bada22eb647349f31e3 Mon Sep 17 00:00:00 2001
From: Francesco <francesco@hv-a.com>
Date: Sat, 7 Jul 2012 10:16:35 +0200
Subject: [PATCH] added hotkey-midi coupling and assigned F4 hotkey to it

---
 src/parseMIDI.cpp | 34 ++++++++++++++++++++++++++++++++++
 src/testApp.cpp   | 34 ++++++++++++++++++++++++++++++++++
 src/testApp.h     |  5 +++++
 3 files changed, 73 insertions(+)

diff --git a/src/parseMIDI.cpp b/src/parseMIDI.cpp
index cc8f099..e34902d 100644
--- a/src/parseMIDI.cpp
+++ b/src/parseMIDI.cpp
@@ -20,6 +20,40 @@ void testApp::newMidiMessage(ofxMidiMessage& msg) {
 	cout << "value: " << midiMessage.value << endl;
 	*/
 
+	if(bMidiHotkeyCoupling && midiHotkeyPressed >= 0)
+    {
+        if(midiHotkeyMessages.size()>0 && midiHotkeyMessages.size() == midiHotkeyKeys.size())
+        {
+        for(int i=0; i < midiHotkeyMessages.size(); i++)
+        {
+            if(midiHotkeyKeys[i] == midiHotkeyPressed)
+            {
+                midiHotkeyKeys.erase(midiHotkeyKeys.begin()+i);
+                midiHotkeyMessages.erase(midiHotkeyMessages.begin()+i);
+            }
+        }
+        }
+        midiHotkeyMessages.push_back(midiMessage);
+        midiHotkeyKeys.push_back(midiHotkeyPressed);
+        midiHotkeyPressed = -1;
+        bMidiHotkeyCoupling = false;
+        bMidiHotkeyLearning = false;
+        return;
+    }
+
+	if(midiHotkeyMessages.size()>0 && midiHotkeyMessages.size() == midiHotkeyKeys.size())
+    {
+        for(int i=0; i < midiHotkeyMessages.size(); i++)
+        {
+            ofxMidiMessage midiControl = midiHotkeyMessages[i];
+            if(midiMessage.velocity >0 && midiMessage.status == midiControl.status && midiMessage.pitch == midiControl.pitch && midiMessage.channel == midiControl.channel)
+            {
+                keyPressed(midiHotkeyKeys[i]);
+            }
+        }
+    }
+
+
 	for(int i=0; i < gui.getPages().size(); i++)
 	{
 	    for(int j=0; j < gui.getPages()[i]->getControls().size(); j++)
diff --git a/src/testApp.cpp b/src/testApp.cpp
index d46cf03..3dafba3 100644
--- a/src/testApp.cpp
+++ b/src/testApp.cpp
@@ -169,8 +169,14 @@ void testApp::setup()
 	midiIn.addListener(this);
 	// print received messages to the console
 	midiIn.setVerbose(true);
+	//clear vectors used for midi-hotkeys coupling
+	midiHotkeyMessages.clear();
+	midiHotkeyKeys.clear();
     #endif
 
+    bMidiHotkeyCoupling = false;
+    bMidiHotkeyLearning = false;
+    midiHotkeyPressed = -1;
 
     // we scan the video dir for videos
     //string videoDir = string("./data/video");
@@ -878,6 +884,18 @@ void testApp::draw()
                 ofSetHexColor(0xFF0000);
                 ttf.drawString("Mask-editing mode ", 170, ofGetHeight()-25);
             }
+            if(bMidiHotkeyCoupling) {
+                if(bMidiHotkeyLearning)
+                {
+                ofSetColor(255,255,0);
+                ttf.drawString("waiting for MIDI message ", 170, ofGetHeight()-25);
+                }
+                else{
+                ofSetColor(255,0,0);
+                ttf.drawString("MIDI-hotkey coupling ", 170, ofGetHeight()-25);
+                }
+                ofRect(2,2,ofGetWidth()-4,ofGetHeight()-4);
+            }
             // draws gui
             gui.draw();
         }
@@ -932,6 +950,7 @@ void testApp::mpeResetEvent(ofxMPEEventArgs& event)
 void testApp::keyPressed(int key)
 {
 
+    if(!bMidiHotkeyCoupling){
     // moves active layer one position up
     if ( key == '+' && !bTimeline && !bGui)
     {
@@ -1107,6 +1126,7 @@ void testApp::keyPressed(int key)
         gui.setPage((activeQuad*3)+2);
     }
 
+
     if ( (key == 'd' || key == 'D') && !bTimeline)
     {
         if(maskSetup && quads[activeQuad].maskPoints.size()>0)
@@ -1457,6 +1477,20 @@ void testApp::keyPressed(int key)
             quads[activeQuad].corners[i] = quads[activeQuad].corners[i] * resultingMatrix;
         }
     }
+    }
+
+    else
+        {
+            bMidiHotkeyLearning = true;
+            midiHotkeyPressed = key;
+        }
+
+    if ( key == OF_KEY_F4)
+    {
+        bMidiHotkeyCoupling = !bMidiHotkeyCoupling;
+        bMidiHotkeyLearning = false;
+        midiHotkeyPressed = -1;
+    }
 
 }
 
diff --git a/src/testApp.h b/src/testApp.h
index fef3ee5..e57a1eb 100644
--- a/src/testApp.h
+++ b/src/testApp.h
@@ -120,6 +120,8 @@ class testApp : public ofBaseApp
     void newMidiMessage(ofxMidiMessage& eventArgs);
     ofxMidiIn midiIn;
 	ofxMidiMessage midiMessage;
+	vector<ofxMidiMessage> midiHotkeyMessages;
+	vector<int> midiHotkeyKeys;
 	#endif
 
     // Shaders
@@ -144,6 +146,9 @@ class testApp : public ofBaseApp
     bool bQuadBezierSpherize;
     bool bQuadBezierSpherizeStrong;
     bool bQuadBezierReset;
+    bool bMidiHotkeyCoupling;
+    bool bMidiHotkeyLearning;
+    int midiHotkeyPressed;
 
     void openImageFile();
     void openVideoFile();