From 813d802443679a6f937a13680bc0ec3fb11a96b6 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Fri, 26 Apr 2013 15:18:22 +0200
Subject: Add MidimapLoadStatus Message.

---
 src/audioinputenginemidi.cc | 26 +++++++++++++++++++++++---
 src/audioinputenginemidi.h  |  6 +++++-
 src/drumgizmo.cc            | 12 +++++++++---
 src/message.h               |  7 +++++++
 4 files changed, 44 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/audioinputenginemidi.cc b/src/audioinputenginemidi.cc
index 00aa518..44e8606 100644
--- a/src/audioinputenginemidi.cc
+++ b/src/audioinputenginemidi.cc
@@ -30,13 +30,25 @@
 
 #include <hugin.hpp>
 
-void AudioInputEngineMidi::loadMidiMap(std::string f, Instruments &instruments)
+AudioInputEngineMidi::AudioInputEngineMidi()
 {
+  is_valid = false;
+}
+
+bool AudioInputEngineMidi::loadMidiMap(std::string f, Instruments &instruments)
+{
+  file = "";
+  is_valid = false;
+
   DEBUG(mmap, "loadMidiMap(%s, i.size() == %d)\n", f.c_str(),
         instruments.size());
-  if(f == "") return;
+
+  if(f == "") return false;
+
   MidiMapParser p(f);
-  if(p.parse()) {/*return false;*/}
+  if(p.parse()) {
+    return false;
+  }
 
   mmap.clear();
   mmap.midimap = p.midimap;
@@ -46,6 +58,9 @@ void AudioInputEngineMidi::loadMidiMap(std::string f, Instruments &instruments)
   }
 
   file = f;
+  is_valid = true;
+
+  return true;
 }
 
 std::string AudioInputEngineMidi::midimapFile()
@@ -53,6 +68,11 @@ std::string AudioInputEngineMidi::midimapFile()
   return file;
 }
 
+bool AudioInputEngineMidi::isValid()
+{
+  return is_valid;
+}
+
 #ifdef TEST_AUDIOINPUTENGINEMIDI
 //Additional dependency files
 //deps:
diff --git a/src/audioinputenginemidi.h b/src/audioinputenginemidi.h
index 0f63f8a..b01fef0 100644
--- a/src/audioinputenginemidi.h
+++ b/src/audioinputenginemidi.h
@@ -36,6 +36,7 @@
 
 class AudioInputEngineMidi : public AudioInputEngine {
 public:
+  AudioInputEngineMidi();
   virtual ~AudioInputEngineMidi() {}
 
   bool isMidiEngine() { return true; } 
@@ -51,13 +52,16 @@ public:
   virtual event_t *run(size_t pos, size_t len, size_t *nevents) = 0;
   virtual void post() = 0;
 
-  void loadMidiMap(std::string file, Instruments &i);
+  bool loadMidiMap(std::string file, Instruments &i);
 
   std::string midimapFile();
 
+  bool isValid();
+
 protected:
   MidiMapper mmap;
   std::string file;
+  bool is_valid;
 };
 
 #endif/*__DRUMGIZMO_AUDIOINPUTENGINEMIDI_H__*/
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index 8ba45f5..943e852 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -201,22 +201,28 @@ void DrumGizmo::handleEngineEvents()
       {
         AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
         LoadMidimapMessage *m = (LoadMidimapMessage*)msg;
-        aim->loadMidiMap(m->midimapfile, kit.instruments);
+        bool ret = aim->loadMidiMap(m->midimapfile, kit.instruments);
+        
+        LoadStatusMessageMidimap *ls = new LoadStatusMessageMidimap();
+        ls->success = ret;
+        sendGUIMessage(ls);
       }
       break;
     case Message::EngineSettingsMessage:
       {
         DEBUG(msg, "got EngineSettingsMessage message.");
-
+        bool mmap_loaded = false;
         std::string mmapfile;
         if(ie->isMidiEngine()) {
           AudioInputEngineMidi *aim = (AudioInputEngineMidi*)ie;
           mmapfile = aim->midimapFile();
+          mmap_loaded = aim->isValid();
+          
         }
 
         EngineSettingsMessage *msg = new EngineSettingsMessage();
         msg->midimapfile = mmapfile;
-        msg->midimap_loaded = true;
+        msg->midimap_loaded = mmap_loaded;
         msg->drumkitfile = drumkitfile();
         msg->drumkit_loaded = true;
         msg->enable_velocity_modifier = Conf::enable_velocity_modifier;
diff --git a/src/message.h b/src/message.h
index 9bf2f12..4ce65ef 100644
--- a/src/message.h
+++ b/src/message.h
@@ -32,6 +32,7 @@ public:
   typedef enum {
     // Engine -> GUI Messages:
     LoadStatus, // Signal GUI the current load status.
+    LoadStatusMidimap, // Signal GUI the current load status of the midimap.
 
     // GUI -> Engine, Engine -> Engine Messages:
     LoadDrumKit, // Signal engine to load drumkit.
@@ -52,6 +53,12 @@ public:
   std::string current_file;
 };
 
+class LoadStatusMessageMidimap : public Message {
+public:
+  type_t type() { return Message::LoadStatusMidimap; }
+  bool success;
+};
+
 class LoadDrumKitMessage : public Message {
 public:
   type_t type() { return Message::LoadDrumKit; }
-- 
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