(svn r10471) -Codechange: implement driver probing priority so that 'preferred' drivers are loaded first

9 files changed, 9 insertions, 17 deletions

diff --git a/src/music/bemidi.h b/src/music/bemidi.h
index 623d6398d..096249c24 100644
--- a/src/music/bemidi.h
+++ b/src/music/bemidi.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_BeMidi: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_BeMidi: public MusicDriverFactory<FMusicDriver_BeMidi> {
 public:
+	static const int priority = 10;
 	/* virtual */ const char *GetName() { return "bemidi"; }
 	/* virtual */ const char *GetDescription() { return "BeOS MIDI Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_BeMidi(); }
diff --git a/src/music/dmusic.h b/src/music/dmusic.h
index 9bfb1bb1c..6fed3beea 100644
--- a/src/music/dmusic.h
+++ b/src/music/dmusic.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_DMusic: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_DMusic: public MusicDriverFactory<FMusicDriver_DMusic> {
 public:
+	static const int priorty = 10;
 	/* virtual */ const char *GetName() { return "dmusic"; }
 	/* virtual */ const char *GetDescription() { return "DirectMusic MIDI Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_DMusic(); }
diff --git a/src/music/extmidi.h b/src/music/extmidi.h
index 4f62641b4..d5fa2ba2f 100644
--- a/src/music/extmidi.h
+++ b/src/music/extmidi.h
@@ -14,8 +14,6 @@ private:
 	void DoStop();
 
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -31,6 +29,7 @@ public:
 
 class FMusicDriver_ExtMidi: public MusicDriverFactory<FMusicDriver_ExtMidi> {
 public:
+	static const int priority = 1;
 	/* virtual */ const char *GetName() { return "extmidi"; }
 	/* virtual */ const char *GetDescription() { return "External MIDI Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_ExtMidi(); }
diff --git a/src/music/libtimidity.h b/src/music/libtimidity.h
index 2915841f7..965a19573 100644
--- a/src/music/libtimidity.h
+++ b/src/music/libtimidity.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_LibTimidity: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_LibTimidity: public MusicDriverFactory<FMusicDriver_LibTimidity> {
 public:
+	static const int priority = 5;
 	/* virtual */ const char *GetName() { return "libtimidity"; }
 	/* virtual */ const char *GetDescription() { return "LibTimidity MIDI Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_LibTimidity(); }
diff --git a/src/music/music_driver.hpp b/src/music/music_driver.hpp
index b4486ef94..b9e0ec065 100644
--- a/src/music/music_driver.hpp
+++ b/src/music/music_driver.hpp
@@ -22,7 +22,7 @@ class MusicDriverFactoryBase: public DriverFactoryBase {
 template <class T>
 class MusicDriverFactory: public MusicDriverFactoryBase {
 public:
-	MusicDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_MUSIC); }
+	MusicDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_MUSIC, ((T *)this)->priority); }
 
 	/**
 	 * Get the long, human readable, name for the Driver-class.
diff --git a/src/music/null_m.h b/src/music/null_m.h
index 2b7be7581..fc5c2bb09 100644
--- a/src/music/null_m.h
+++ b/src/music/null_m.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_Null: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return false; }
-
 	/* virtual */ const char *Start(const char * const *param) { return NULL; }
 
 	/* virtual */ void Stop() { }
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_Null: public MusicDriverFactory<FMusicDriver_Null> {
 public:
+	static const int priority = 0;
 	/* virtual */ const char *GetName() { return "null"; }
 	/* virtual */ const char *GetDescription() { return "Null Music Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_Null(); }
diff --git a/src/music/os2_m.h b/src/music/os2_m.h
index b0f4d71ce..3ba1b5de6 100644
--- a/src/music/os2_m.h
+++ b/src/music/os2_m.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_OS2: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_OS2: public MusicDriverFactory<FMusicDriver_OS2> {
 public:
+	static const int priority = 10;
 	/* virtual */ const char *GetName() { return "os2"; }
 	/* virtual */ const char *GetDescription() { return "OS/2 Music Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_OS2(); }
diff --git a/src/music/qtmidi.h b/src/music/qtmidi.h
index 7ffa02fe0..3aeac8b32 100644
--- a/src/music/qtmidi.h
+++ b/src/music/qtmidi.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_QtMidi: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_QtMidi: public MusicDriverFactory<FMusicDriver_QtMidi> {
 public:
+	static const int priorty = 10;
 	/* virtual */ const char *GetName() { return "qt"; }
 	/* virtual */ const char *GetDescription() { return "QuickTime MIDI Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_QtMidi(); }
diff --git a/src/music/win32_m.h b/src/music/win32_m.h
index bef62bd66..35a79c3e7 100644
--- a/src/music/win32_m.h
+++ b/src/music/win32_m.h
@@ -7,8 +7,6 @@
 
 class MusicDriver_Win32: public MusicDriver {
 public:
-	/* virtual */ bool CanProbe() { return true; }
-
 	/* virtual */ const char *Start(const char * const *param);
 
 	/* virtual */ void Stop();
@@ -24,6 +22,7 @@ public:
 
 class FMusicDriver_Win32: public MusicDriverFactory<FMusicDriver_Win32> {
 public:
+	static const int priorty = 5;
 	/* virtual */ const char *GetName() { return "win32"; }
 	/* virtual */ const char *GetDescription() { return "Win32 Music Driver"; }
 	/* virtual */ Driver *CreateInstance() { return new MusicDriver_Win32(); }