Added CustomScroll class in customscroll.cpp and h.

This subclass is required if I want the arranger
widget to get mousewheel or arrow key events.

src/Makefile.am

@@ -11,4 +11,5 @@ saveload.cpp seq.h backend.h ui.h pianoroll.h \
 trackselect.h eventedit.h timeline.h sampleview.h \
 trackinfo.h arranger.h keyboard.h trackmodule.h \
 util.h midi.h uihelper.h saveload.h metronome.cpp \
-metronome.h eventmenu.cpp eventmenu.h
+metronome.h eventmenu.cpp eventmenu.h customscroll.cpp \
+customscroll.h

src/arranger.cpp

@@ -92,10 +92,10 @@ int Arranger::handle(int event){
       s = over_seqpat();
       if(s){
         if(event_dy()>0){
-          printf("up!\n");
+          printf("down!\n");
         }
         else if(event_dy()<0){
-          printf("down!\n");
+          printf("up!\n");
         }
       }
       return 1;

src/customscroll.cpp

@@ -0,0 +1,55 @@
+/*
+   Epichord - a midi sequencer
+   Copyright (C) 2008  Evan Rinehart
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to
+
+   The Free Software Foundation, Inc.
+   51 Franklin Street, Fifth Floor
+   Boston, MA  02110-1301, USA
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fltk/ScrollGroup.h>
+#include <fltk/Widget.h>
+
+#include "customscroll.h"
+
+#include "ui.h"
+
+
+
+extern UI* ui;
+
+
+CustomScroll::CustomScroll(int x, int y, int w, int h, const char* label) : fltk::ScrollGroup(x, y, w, h, label) {
+
+}
+
+int CustomScroll::handle(int event){
+  switch(event){
+    case fltk::MOUSEWHEEL:
+      Widget* w = child(0);
+      if(w){
+        w->handle(event);
+      }
+      return 1;
+      break;
+  }
+
+  return fltk::ScrollGroup::handle(event);
+}
+
+

src/customscroll.h

@@ -0,0 +1,34 @@
+/*
+   Epichord - a midi sequencer
+   Copyright (C) 2008  Evan Rinehart
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to
+
+   The Free Software Foundation, Inc.
+   51 Franklin Street, Fifth Floor
+   Boston, MA  02110-1301, USA
+*/
+
+#ifndef customscroll_h
+#define customscroll_h
+
+class CustomScroll : public fltk::ScrollGroup {
+  public:
+
+    CustomScroll(int x, int y, int w, int h, const char* label=0);
+    int handle(int event);
+
+};
+
+#endif

src/main.cpp

@@ -29,7 +29,6 @@
 #include <fltk/ValueInput.h>
 
 
-
 #include "ui.h"
 #include "backend.h"
 #include "uihelper.h"

src/sampleview.cpp

@@ -20,7 +20,7 @@
    Boston, MA  02110-1301, USA
 */
 
-#include <unistd.h>
+#include <stdlib.h>
 #include <stdio.h>
 #include <fltk/Group.h>
 #include <fltk/Widget.h>

src/ui.cpp

@@ -422,7 +422,7 @@ UI::UI() {
           }
           o->end();
         }
-         {fltk::ScrollGroup* o = song_scroll = new fltk::ScrollGroup(255, 15, 385, 430);
+         {CustomScroll* o = song_scroll = new CustomScroll(255, 15, 385, 430);
           o->set_vertical();
           o->begin();
            {Arranger* o = arranger = new Arranger(0, 0, 245, 220, "arranger");

src/ui.fl

@@ -55,7 +55,7 @@ action_window->hide();
 scope_window->hide();
 o->hide();
 
-save_config();}
+save_config();} open
       xywh {31 41 640 480} resizable
       extra_code {\#include <unistd.h>
 \#include <stdio.h>
@@ -67,7 +67,7 @@ o->resize(640,455);} visible
       {fltk::Group} {} {open
         xywh {0 0 640 445} resizable
       } {
-        {fltk::Group} song_edit {
+        {fltk::Group} song_edit {open
           xywh {0 0 640 445}
         } {
           {fltk::Group} {} {open
@@ -96,9 +96,12 @@ o->label_scale=4;}
               class Timeline
             }
           }
-          {fltk::ScrollGroup} song_scroll {
+          {fltk::ScrollGroup} song_scroll {open selected
             xywh {255 15 385 430} resizable
-            extra_code {o->type(fltk::ScrollGroup::BOTH_ALWAYS);}
+            extra_code {\#include <fltk/ScrollGroup.h>
+\#include "customscroll.h"
+o->type(fltk::ScrollGroup::BOTH_ALWAYS);}
+            class CustomScroll
           } {
             {fltk::Widget} arranger {
               label arranger
@@ -233,7 +236,7 @@ ui->event_edit->redraw();}
           }
         }
       }
-      {fltk::Group} {} {open
+      {fltk::Group} {} {
         xywh {0 445 640 35} box UP_BOX
       } {
         {fltk::Button} play_button {
@@ -373,7 +376,7 @@ ui->action_window->show();}
       }
     }
     {fltk::Window} config_window {
-      label controls open
+      label controls
       xywh {589 130 320 285} hide resizable
     } {
       {fltk::TabGroup} {} {open
@@ -467,7 +470,7 @@ ui->bpm_output->value(o->value());}
               }
           }
           {fltk::Choice} menu_rob {
-            label {record outside block} selected
+            label {record outside block}
             xywh {5 240 160 25}
           } {
             {fltk::Item} {} {

src/ui.h

@@ -11,6 +11,7 @@
 #include "trackinfo.h"
 #include <fltk/Button.h>
 #include <fltk/ScrollGroup.h>
+#include "customscroll.h"
 #include "arranger.h"
 #include "timeline.h"
 #include "pianoroll.h"
@@ -47,7 +48,7 @@ private:
           static void cb_(fltk::Button*, void*);
 public:
           Timeline *song_timeline;
-        fltk::ScrollGroup *song_scroll;
+        CustomScroll *song_scroll;
           Arranger *arranger;
       fltk::Group *pattern_edit;
             Timeline *pattern_timeline;