fix some tracing bugs

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for loopidity 0.14.007.
+# Generated by GNU Autoconf 2.69 for loopidity 0.14.008.
 #
 # Report bugs to <https://github.com/bill-auger/loopidity/issues>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='loopidity'
 PACKAGE_TARNAME='loopidity'
-PACKAGE_VERSION='0.14.007'
-PACKAGE_STRING='loopidity 0.14.007'
+PACKAGE_VERSION='0.14.008'
+PACKAGE_STRING='loopidity 0.14.008'
 PACKAGE_BUGREPORT='https://github.com/bill-auger/loopidity/issues'
 PACKAGE_URL=''
 
@@ -1308,7 +1308,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures loopidity 0.14.007 to adapt to many kinds of systems.
+\`configure' configures loopidity 0.14.008 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1379,7 +1379,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of loopidity 0.14.007:";;
+     short | recursive ) echo "Configuration of loopidity 0.14.008:";;
    esac
   cat <<\_ACEOF
 
@@ -1489,7 +1489,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-loopidity configure 0.14.007
+loopidity configure 0.14.008
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1950,7 +1950,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by loopidity $as_me 0.14.007, which was
+It was created by loopidity $as_me 0.14.008, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2814,7 +2814,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='loopidity'
- VERSION='0.14.007'
+ VERSION='0.14.008'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -9130,7 +9130,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by loopidity $as_me 0.14.007, which was
+This file was extended by loopidity $as_me 0.14.008, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -9187,7 +9187,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-loopidity config.status 0.14.007
+loopidity config.status 0.14.008
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([loopidity], [0.14.007], [https://github.com/bill-auger/loopidity/issues])
+AC_INIT([loopidity], [0.14.008], [https://github.com/bill-auger/loopidity/issues])
 AC_CONFIG_SRCDIR([src/loopidity.cpp])
 AM_INIT_AUTOMAKE([subdir-objects foreign -Wall -Werror])
 AC_CONFIG_FILES([Makefile])

src/constants/controller_constants.h

@@ -49,11 +49,15 @@
 #define JACK_INPUT4_PORT_NAME   "in4"
 #define JACK_OUTPUT1_PORT_NAME  "outL"
 #define JACK_OUTPUT2_PORT_NAME  "outR"
+#define LOOPIDITY_REINIT_MSG    "ERROR: Loopidity::Main() and Loopidity::Init() should be called only once"
+#define N_SCENES_ERR_MSG        "ERROR: N_SCENES out of range - quitting"
 #define INVALID_METADATA_MSG    "ERROR: Scene metadata state insane"
+#define LOOPIDITY_INIT_FAIL_MSG "ERROR: Could not initialize Loopidity"
+#define JACK_INIT_FAIL_MSG      "ERROR: Could not initialize JACK"
 //#define FREEMEM_FAIL_MSG        "ERROR: Could not determine available memory - quitting"
-#define INSUFFICIENT_MEMORY_MSG "ERROR: Insufficient memory initializng buffers"
-#define JACK_SW_FAIL_MSG        "ERROR: Could not register JACK client"
-#define JACK_HW_FAIL_MSG        "ERROR: Could not open ports for JACK"
+#define INSUFFICIENT_MEMORY_MSG "ERROR: Insufficient memory initializng buffers - quitting"
+#define JACK_SW_FAIL_MSG        "ERROR: Could not register JACK client - quitting"
+#define JACK_HW_FAIL_MSG        "ERROR: Could not open ports for JACK - quitting"
 #define OUT_OF_MEMORY_MSG       "ERROR: Out of Memory"
 
 // sdl user events

src/constants/feature_constants.h

@@ -45,23 +45,15 @@
 #  define DRAW_CURRENT_SCENE_INDICATOR 1
 #endif // #if DRAW_SCENES
 
-#if DRAW_DEBUG_TEXT
-#  include "../trace/trace.h"
-#  define DRAW_DEBUG_TEXT_L Trace::SetDbgTextC() ;
-#  define DRAW_DEBUG_TEXT_R Trace::SetDbgTextR() ;
-#else
-#  define DRAW_DEBUG_TEXT_L ;
-#  define DRAW_DEBUG_TEXT_R ;
-#endif // #if DRAW_DEBUG_TEXT
-
 // Trace class features
 #define DEBUG_TRACE              1
-#define DEBUG_TRACE_JACK         DEBUG_TRACE && 0
-#define DEBUG_TRACE_LOOPIDITY    DEBUG_TRACE && 0
-#define DEBUG_TRACE_LOOPIDITYSDL DEBUG_TRACE && 0
-#define DEBUG_TRACE_SCENE        DEBUG_TRACE && 0
-#define DEBUG_TRACE_SCENESDL     DEBUG_TRACE && 0
-#define DEBUG_TRACE_CLASS        DEBUG_TRACE && 0
-#define DEBUG_TRACE_EVS          DEBUG_TRACE && 1
-#define DEBUG_TRACE_IN           DEBUG_TRACE && 1
-#define DEBUG_TRACE_OUT          DEBUG_TRACE && 1
+#define DEBUG_TRACE_ALL          1
+#define DEBUG_TRACE_JACK         DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_LOOPIDITY    DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_LOOPIDITYSDL DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_SCENE        DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_SCENESDL     DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_CLASS        DEBUG_TRACE && (DEBUG_TRACE_ALL || 0)
+#define DEBUG_TRACE_EVS          DEBUG_TRACE && (DEBUG_TRACE_ALL || 1)
+#define DEBUG_TRACE_IN           DEBUG_TRACE && (DEBUG_TRACE_ALL || 1)
+#define DEBUG_TRACE_OUT          DEBUG_TRACE && (DEBUG_TRACE_ALL || 1)

src/constants/view_constants.h

@@ -8,16 +8,16 @@
 #define GUI_UPDATE_LOW_PRIORITY_NICE 8   // n high priority updates to pass
 
 // window magnitudes
-#define SCREEN_W     1024 // minimum screen resolution
-#define SCREEN_H     768  // minimum screen resolution
-#define WIN_TITLE_H  20   // approximate window decoration size
-#define WIN_BORDER_W 2    // approximate window decoration size
-#define WIN_BORDER_H 2    // approximate window decoration size
-#define PIXEL_DEPTH  32
-#define WIN_W        (SCREEN_W - (WIN_BORDER_W * 2))
-#define WIN_H        (SCREEN_H - WIN_TITLE_H - WIN_BORDER_H)
-#define WIN_RECT     { 0 , 0 , WIN_W , WIN_H }
-#define WIN_CENTER   (WinRect.w / 2)
+#define SCREEN_W_MIN   1024 // minimum screen resolution
+#define SCREEN_H_MIN   768  // minimum screen resolution
+#define WIN_TITLE_H    20   // approximate window decoration size
+#define WIN_BORDER_W   2    // approximate window decoration size
+#define WIN_BORDER_H   2    // approximate window decoration size
+#define BITS_PER_PIXEL 32
+#define WIN_W          (SCREEN_W_MIN - (WIN_BORDER_W * 2))
+#define WIN_H          (SCREEN_H_MIN - WIN_TITLE_H - WIN_BORDER_H)
+#define WIN_RECT       { 0 , 0 , WIN_W , WIN_H }
+#define WIN_CENTER     (WinRect.w / 2)
 
 // header magnitudes
 #define HEADER_FONT_SIZE 36
@@ -94,18 +94,13 @@
 #  define EDIT_HISTOGRAM_GRADUATION_H            12
 #endif // #if SCENE_NFRAMES_EDITABLE
 
-// external assets
-#define SCOPE_IMG_PATH     "scope_gradient.bmp"
-#define HISTOGRAM_IMG_PATH "histogram_gradient.bmp"
-#define LOOP_IMG_PATH      "loop_gradient.argb.bmp"
-#define PURISA_TTF_PATH    "Purisa.ttf"
-
 // fonts and colors
-#define HEADER_FONT_PATH  PURISA_TTF_PATH
+#define PURISA_TTF        "Purisa.ttf"
+#define HEADER_FONT       PURISA_TTF
 #define HEADER_TEXT_COLOR { 255 , 0 , 255 , 0 }
-#define STATUS_FONT_PATH  PURISA_TTF_PATH
+#define STATUS_FONT       PURISA_TTF
 #define STATUS_TEXT_COLOR { 255 , 0 , 255 , 0 }
-#define WINDOWBGCOLOR     0xFF111111
+#define WINDOWBGCOLOR     0xFF333333
 #define VUSINBGCOLOR      0xFF221122
 #define VUSOUTBGCOLOR     0xFF112222 // NOTE: SDL_FillRect()          takes 0xAARRGGBB
 #define VUSINBORDERCOLOR  0x882288FF // NOTE: roundedRectangleColor() takes 0xRRGGBBAA
@@ -119,8 +114,11 @@
 
 // string constants
 #define HEADER_TEXT                 "This is Loopidity"
-#define X11_ERROR_MSG               "ERROR: LoopiditySdl::Init(): XGetWindowAttributes(): can't get root window geometry - quitting\n"
-#define RESOLUTION_ERROR_MSG        "ERROR: screen resolution must be at least %dx%d - quitting\n"
+#define LOOPIDITYSDL_REINIT_MSG     "ERROR: LoopiditySdl::Init() should be called only once"
+#define LOOPIDITYSDL_INIT_FAIL_MSG  "ERROR: Data model not prepared before initializing GUI"
+#define X11_ERROR_MSG               "ERROR: Could not get root window geometry - quitting"
+#define RESOLUTION_ERROR_MSG        "ERROR: Screen resolution must be at least " + \
+                                     std::to_string(SCREEN_MIN_W) + "x" + std::to_string(SCREEN_MIN_H) + " - quitting"
 #define SDL_ERROR_FMT               "ERROR: %s(): %s\n"
 #define SDL_INIT_ERROR_TEXT         "SDL_Init"
 #define SDL_SETVIDEOMODE_ERROR_TEXT "SDL_SetVideoMode"

src/loopidity.cpp

@@ -69,11 +69,11 @@ int Loopidity::Main(int argc , char** argv)
 {
   // sanity checks
 #if INIT_JACK_BEFORE_SCENES
-  if (IsInitialized          ) return false ;
+  if (IsInitialized          ) { LoopiditySdl::Alert(LOOPIDITY_REINIT_MSG) ; return EXIT_FAILURE ; }
 #else // INIT_JACK_BEFORE_SCENES
-  if (IsInitialized()        ) return false ;
+  if (IsInitialized()        ) { LoopiditySdl::Alert(LOOPIDITY_REINIT_MSG) ; return EXIT_FAILURE ; }
 #endif // INIT_JACK_BEFORE_SCENES
-  if (N_SCENES + 2 < N_SCENES) return false ;
+  if (N_SCENES + 2 < N_SCENES) { LoopiditySdl::Alert(N_SCENES_ERR_MSG    ) ; return EXIT_FAILURE ; }
 
   // parse command line arguments
   bool   shouldMonitorInputs   = true ;
@@ -92,7 +92,7 @@ int Loopidity::Main(int argc , char** argv)
   // initialize Loopidity (controller), JackIO (controller), and LoopiditySdl (main view)
   //     and instantiate Scenes (models) and SdlScenes (views)
   if (!Init(shouldMonitorInputs , shouldAutoSceneChange , recordBufferSize))
-    return Cleanup(EXIT_FAILURE) ;
+    { Cleanup(LOOPIDITY_INIT_FAIL_MSG) ; return EXIT_FAILURE ; }
 
 DEBUG_TRACE_LOOPIDITY_MAIN_MID
 
@@ -154,7 +154,7 @@ if (guiLongCount == GUI_UPDATE_LOW_PRIORITY_NICE)
 
 DEBUG_TRACE_LOOPIDITY_MAIN_OUT
 
-  return Cleanup(EXIT_SUCCESS) ;
+  Cleanup() ; return EXIT_SUCCESS ;
 }
 
 
@@ -196,6 +196,13 @@ bool Loopidity::IsInitialized() { return !!Scenes[0] ; }
 bool Loopidity::Init(bool   shouldMonitorInputs , bool shouldAutoSceneChange ,
                      Uint32 recordBufferSize                                 )
 {
+  // sanity checks
+#if INIT_JACK_BEFORE_SCENES
+  if (IsInitialized) { LoopiditySdl::Alert(LOOPIDITY_REINIT_MSG) ; return EXIT_FAILURE ; }
+#else // INIT_JACK_BEFORE_SCENES
+  if (IsInitialized()) { LoopiditySdl::Alert(LOOPIDITY_REINIT_MSG) ; return EXIT_FAILURE ; }
+#endif // INIT_JACK_BEFORE_SCENES
+
   // disable AutoSceneChange if SCENE_CHANGE_ARG given
   if (!shouldAutoSceneChange) ToggleAutoSceneChange() ;
 
@@ -211,9 +218,9 @@ bool Loopidity::Init(bool   shouldMonitorInputs , bool shouldAutoSceneChange ,
   }
 
 #  if WAIT_FOR_JACK_INIT
-  // wait for JACK metadata
+  // wait for JACK metadata via SetMetadata()
   while (!IsJackReady && (InitJackTimeout -= 100) > 0) usleep(100000) ;
-  if (!IsJackReady) return false ; // via SetMetadata()
+  if (!IsJackReady) { LoopiditySdl::Alert(JACK_INIT_FAIL_MSG) ; return false ; }
 #  endif // WAIT_FOR_JACK_INIT
 #endif // INIT_JACK_BEFORE_SCENES
 
@@ -252,25 +259,17 @@ bool Loopidity::Init(bool   shouldMonitorInputs , bool shouldAutoSceneChange ,
     default:                                                                          break ;
   }
 #  if WAIT_FOR_JACK_INIT
-  // wait for JACK metadata
+  // wait for JACK metadata via SetMetadata()
   while (!IsJackReady && (InitJackTimeout -= 100) > 0) usleep(100000) ;
-  if (!IsJackReady)                                    return false ; // via SetMetadata()
+  if (!IsJackReady) { LoopiditySdl::Alert(JACK_INIT_FAIL_MSG) ; return false ; }
 #  endif // WAIT_FOR_JACK_INIT
 #endif // INIT_JACK_BEFORE_SCENES
 
   // initialize LoopiditySdl (view)
 #if INIT_JACK_BEFORE_SCENES
-  IsInitialized = LoopiditySdl::Init(SdlScenes , peaksIn , peaksOut , peaksVuIn , peaksVuOut) ;
-
-  if (!IsInitialized) Cleanup(EXIT_FAILURE) ;
-
-  return IsInitialized ;
+  return (IsInitialized = LoopiditySdl::Init(SdlScenes , peaksIn , peaksOut , peaksVuIn , peaksVuOut)) ;
 #else // INIT_JACK_BEFORE_SCENES
-  bool is_initialized = LoopiditySdl::Init(SdlScenes , peaksIn , peaksOut , peaksVuIn , peaksVuOut) ;
-
-  if (!is_initialized) Cleanup(EXIT_FAILURE) ;
-
-  return is_initialized ;
+  return LoopiditySdl::Init(SdlScenes , peaksIn , peaksOut , peaksVuIn , peaksVuOut) ;
 #endif // INIT_JACK_BEFORE_SCENES
 }
 
@@ -306,15 +305,15 @@ void Loopidity::SetMetadata(Uint32 sampleRate , Uint32 nFramesPerPeriod)
 #  endif // #if SCENE_NFRAMES_EDITABLE
 #endif // #if INIT_JACK_BEFORE_SCENES
 
-int Loopidity::Cleanup(int exit_status)
+void Loopidity::Cleanup(std::string status_msg)
 {
-DEBUG_TRACE_LOOPIDITY_CLEANUP
+ DEBUG_TRACE_LOOPIDITY_CLEANUP
+
+   if (!status_msg.empty()) LoopiditySdl::Alert(status_msg) ;
 
   for (Uint32 sceneN = 0 ; sceneN < N_SCENES ; ++sceneN)
     if (!!SdlScenes[sceneN]) SdlScenes[sceneN]->cleanup() ;
   LoopiditySdl::Cleanup() ;
-
-  return exit_status ;
 }
 
 
@@ -497,11 +496,11 @@ DEBUG_TRACE_LOOPIDITY_RESETSCENE_IN
   Scenes[sceneN]->reset() ; SdlScenes[sceneN]->reset() ; UpdateView(sceneN) ;
 
   bool doesAnyPulseExist = false ;
-  for (sceneN = 0 ; sceneN < N_SCENES ; ++sceneN)
+  for (int scene_n = 0 ; scene_n < N_SCENES ; ++scene_n)
 {
-    doesAnyPulseExist |= Scenes[sceneN]->getDoesPulseExist() ;
+    doesAnyPulseExist |= Scenes[scene_n]->getDoesPulseExist() ;
 // TODO: extract this into doesAnyPulseExist()
-//DBG("Loopidity::ResetScene() Scenes[%d]->getDoesPulseExist()=%d doesAnyPulseExist=%d\n" , sceneN , Scenes[sceneN]->getDoesPulseExist() , doesAnyPulseExist) ;
+//DBG("Loopidity::ResetScene() Scenes[%d]->getDoesPulseExist()=%d doesAnyPulseExist=%d\n" , scene_n , Scenes[scene_n]->getDoesPulseExist() , doesAnyPulseExist) ;
 }
   IsRolling = doesAnyPulseExist ;
 

src/loopidity.h

@@ -131,7 +131,7 @@ class Loopidity
 #else
     static void SetMetadata(  Uint32 sampleRate , Uint32 nFramesPerPeriod) ;
 #endif // #if INIT_JACK_BEFORE_SCENES
-    static int  Cleanup(      int retval) ;
+    static void Cleanup(      std::string status_msg = std::string()) ;
 
     // event handlers
     static void HandleKeyEvent(  SDL_Event* event) ;