Timeline: Add option to import source at mouse via timeline context menu (as an alternative to DND)

Closes #211.

timeline/src/Audio_Sequence.C

@@ -253,24 +253,17 @@ Audio_Sequence::draw ( void )
     fl_pop_clip();
 }
 
-/** event handler that supports DND of audio clips */
 int
-Audio_Sequence::handle ( int m )
+Audio_Sequence::handle_paste ( const char *text )
 {
-    switch ( m )
+    int X = Fl::event_x();
-    {
-        case FL_PASTE:
-        {
-            if ( ! Fl::event_inside( this ) )
-                return 0;
-            const char *text = Fl::event_text();
     
     if ( ! strcmp( text, "Audio_Region" ) )
         return 1;
     
     char *file;
 
-            if ( ! sscanf( text, "file://%a[^\r\n]\n", &file ) )
+    if ( ! sscanf( text, "file://%m[^\r\n]\n", &file ) )
     {
         WARNING( "invalid drop \"%s\"\n", text );
         return 0;
@@ -339,13 +332,33 @@ Audio_Sequence::handle ( int m )
     free( file );
 
     Audio_Region *r =
-                new Audio_Region( c, this, timeline->xoffset + timeline->x_to_ts( Fl::event_x() - drawable_x() ) );
+        new Audio_Region( c, this, timeline->xoffset + timeline->x_to_ts( X - drawable_x() ) );
             
     r->log_create();
 
     redraw();
             
     return 1;
+
+}
+
+/** event handler that supports DND of audio clips */
+int
+Audio_Sequence::handle ( int m )
+{
+    switch ( m )
+    {
+        case FL_PASTE:
+        {
+            DMESSAGE("Got sequence paste");
+                
+            if ( ! Fl::event_inside( this ) )
+            {
+                DMESSAGE("ignoring");
+                return 0;
+            }
+
+            return handle_paste(Fl::event_text());
         }
         default:
             return Sequence::handle( m );

timeline/src/Audio_Sequence.H

@@ -51,6 +51,8 @@ protected:
 
 public:
 
+    int handle_paste ( const char *text );
+    
     int handle ( int m );
 
     LOG_CREATE_FUNC( Audio_Sequence );

timeline/src/Timeline.C

@@ -30,6 +30,7 @@
 #include <FL/Fl_Menu_Button.H>
 #include <FL/Fl_Panzoomer.H>
 #include <FL/Fl_Tile.H>
+#include <FL/Fl_File_Chooser.H>
 
 #include "Timeline.H"
 #include "Tempo_Sequence.H"
@@ -373,6 +374,9 @@ Timeline::add_take_for_armed_tracks ( void )
     track_lock.unlock();
 }
 
+/* coordinates of mouse at time context menu is brought up. */
+static int menu_event_x = 0;
+static int menu_event_y = 0;
 void
 Timeline::menu_cb ( Fl_Menu_ *m )
 {
@@ -570,6 +574,31 @@ Timeline::menu_cb ( Fl_Menu_ *m )
     {
         redraw();
     }
+    else if ( ! strcmp( picked, "Import source at mouse" ) )
+    {
+        Fl::e_x = menu_event_x;
+        Fl::e_y = menu_event_y;
+
+        Track *t = Timeline::event_inside();
+        
+        if ( t )
+        {
+            const char *name = fl_file_chooser( "Import source", "*", NULL  );
+
+            if ( name )
+            {
+                char *url;
+                asprintf( &url, "file:///%s\n", name );
+
+                Fl::e_x = menu_event_x;
+                Fl::e_y = menu_event_y;
+        
+                t->sequence()->handle_paste(url);
+                
+                free(url);
+            }
+        }
+    }
     else
         WARNING( "programming error: Unknown menu item" );
 }
@@ -630,6 +659,7 @@ Timeline::Timeline ( int X, int Y, int W, int H, const char* L ) : BASE( X, Y, W
     menu->add( "Edit end to playhead", FL_CTRL + ']', 0, 0 );
     menu->add( "Punch from edit", FL_CTRL + FL_SHIFT + 'p', 0, 0 );
     menu->add( "Playback from edit", FL_CTRL + FL_SHIFT + 'l', 0, 0 );
+    menu->add( "Import source at mouse", 0, 0, 0 );
     menu->add( "Redraw", FL_CTRL + 'l', 0, 0 );
 
     menu_set_callback( const_cast<Fl_Menu_Item*>(menu->menu()), &Timeline::menu_cb, (void*)this );
@@ -1730,6 +1760,20 @@ Timeline::handle ( int m )
                     }
                     else if ( test_press( FL_BUTTON3 ) )
                     {
+                        {
+                            menu_event_x = X;
+                            menu_event_y = Y;
+                        
+                            Track *t = Timeline::event_inside();
+
+                            Fl_Menu_Item *mi = (Fl_Menu_Item*)menu->find_item("Import source at mouse");
+                        
+                            if ( t )
+                                mi->activate();
+                            else
+                                mi->deactivate();
+                        }
+                        
                         menu_popup( menu );
                         
                         return 1;
@@ -1789,7 +1833,7 @@ Timeline::handle ( int m )
 
             return 0;
         }
-}
+    }
 }
 
 /** retrun a pointer to the track named /name/, or NULL if no track is named /name/ */