From c3cf05372d13f5ddec1a844421a71a4c41ba756b Mon Sep 17 00:00:00 2001
From: Leonard Ritter <contact@leonard-ritter.com>
Date: Wed, 22 Sep 2010 21:40:35 +0200
Subject: [PATCH] ability to mute individual patterns

---
 jsong.cpp    |  2 ++
 model.cpp    |  1 +
 model.hpp    |  1 +
 player.cpp   |  2 ++
 songview.cpp | 33 ++++++++++++++++++++++++++++-----
 songview.hpp |  1 +
 6 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/jsong.cpp b/jsong.cpp
index a1104e0..3ae1572 100644
--- a/jsong.cpp
+++ b/jsong.cpp
@@ -47,6 +47,7 @@ void JSongWriter::collect(Json::Value &root, Song::Event &event) {
         return;
     root["frame"] = event.frame;
     root["track"] = event.track;
+    root["mute"] = event.mute;
     root["pattern"] = iter->second;
 }
 
@@ -191,6 +192,7 @@ void JSongReader::build(const Json::Value &root, Pattern &pattern) {
 bool JSongReader::build(const Json::Value &root, Song::Event &event) {
     extract(root["frame"], event.frame);
     extract(root["track"], event.track);
+    extract(root["mute"], event.mute);
     int pattern_index = -1;
     if (!extract(root["pattern"], pattern_index))
         return false;
diff --git a/model.cpp b/model.cpp
index 56103f9..9ff4382 100644
--- a/model.cpp
+++ b/model.cpp
@@ -268,6 +268,7 @@ SongEvent::SongEvent() {
     frame = ValueNone;
     pattern = NULL;
     track = 0;
+    mute = false;
 }
 
 SongEvent::SongEvent(int frame, int track, Pattern &pattern) {
diff --git a/model.hpp b/model.hpp
index 81c4f0c..f23c5b8 100644
--- a/model.hpp
+++ b/model.hpp
@@ -173,6 +173,7 @@ protected:
 struct SongEvent {
     int frame;
     int track;
+    bool mute;
     Pattern *pattern;
     
     SongEvent();
diff --git a/player.cpp b/player.cpp
index 6b07ffd..4c33747 100644
--- a/player.cpp
+++ b/player.cpp
@@ -278,6 +278,8 @@ void Player::mix_frame(MessageQueue &queue) {
         Song::Event &event = (*iter)->second;
         Pattern &pattern = *event.pattern;
         
+        if (event.mute)
+            continue; // ignore event
         if (model->tracks[event.track].mute)
             continue; // ignore event
         
diff --git a/songview.cpp b/songview.cpp
index 3b888f9..1971287 100644
--- a/songview.cpp
+++ b/songview.cpp
@@ -13,6 +13,7 @@ enum {
     ColorBackground,
     ColorTrack,
     ColorGhost,
+    ColorMuted,
 
     ColorCount,
 };
@@ -89,6 +90,7 @@ SongView::SongView(BaseObjectType* cobject,
     colors[ColorBackground].set("#e0e0e0");
     colors[ColorTrack].set("#ffffff");
     colors[ColorGhost].set("#606060");
+    colors[ColorMuted].set("#A0A0A0");
     play_position = 0;
     cursor_x = 0;
     cursor_y = 0;
@@ -183,8 +185,15 @@ void SongView::render_event(Song::iterator event) {
     bool selected = is_event_selected(event);
     int x,y,w,h;
     get_event_rect(event, x, y, w, h);
+    
+    bool mute = event->second.mute;
+    
     Gdk::Color color;
-    if (event->second.pattern->refcount > 1) {
+    if (mute) {
+        x += 1;
+        y += 1;
+        color = colors[ColorMuted];
+    } else if (event->second.pattern->refcount > 1) {
         color = colors[ColorGhost];
     } else {
         color = colors[ColorBlack];
@@ -192,10 +201,12 @@ void SongView::render_event(Song::iterator event) {
     // main border
     gc->set_foreground(color);
     window->draw_rectangle(gc, false, x, y+1, w, h-3);
-    // bottom shadow
-    window->draw_rectangle(gc, true, x+1, y+h-1, w, 1);
-    // right shadow
-    window->draw_rectangle(gc, true, x+w+1, y+2, 1, h-2);
+    if (!mute) {
+        // bottom shadow
+        window->draw_rectangle(gc, true, x+1, y+h-1, w, 1);
+        // right shadow
+        window->draw_rectangle(gc, true, x+w+1, y+2, 1, h-2);
+    }
     pango_layout->set_width((w-4)*Pango::SCALE);
     pango_layout->set_text(event->second.pattern->name.c_str());
     if (selected) {
@@ -676,6 +687,17 @@ void SongView::apply_move() {
     do_move(ofs_frame, ofs_track);
 }
 
+void SongView::toggle_mute_selection() {
+    for (Song::IterList::iterator iter = selection.begin();
+        iter != selection.end(); ++iter) {
+        Song::Event &event = (*iter)->second;
+        event.mute = !event.mute;
+    }
+    
+    invalidate();
+}
+
+
 void SongView::do_resize(int ofs_frame) {
     // verify that we can move
     for (Song::IterList::iterator iter = selection.begin();
@@ -982,6 +1004,7 @@ bool SongView::on_key_press_event(GdkEventKey* event) {
                 return true;
             } break;
             case GDK_p: seek_to_mouse_cursor(); return true;
+            case GDK_m: toggle_mute_selection(); return true;
             case GDK_Left: navigate(-1,0); return true;
             case GDK_Right: navigate(1,0); return true;
             case GDK_Up: navigate(0,-1); return true;
diff --git a/songview.hpp b/songview.hpp
index ef025d4..34e691d 100644
--- a/songview.hpp
+++ b/songview.hpp
@@ -182,6 +182,7 @@ protected:
     
     void clone_selection(bool references=false);
     void join_selection();
+    void toggle_mute_selection();
     
     void show_selection();