implement tabbed tracklist/sample list

src/scene/tracker/scene.cpp

@@ -184,7 +184,10 @@ namespace scene::tracker {
 
     float y = 8 + ((glyph::vert_advance + 5) * 2) + 8;
     top.freeze(5, y);
+
     playlist::next();
+
+    tracklist::init(top.width + 5, 5);
   }
 
   void update_pick(cursor::cursor& c)
@@ -192,6 +195,8 @@ namespace scene::tracker {
     widget::widget * w = top.pick(c.x, c.y);
     if (w != nullptr) {
       w->click();
+    } else {
+      tracklist::update_pick(c);
     }
   }
 

src/scene/tracker/tracklist.cpp

@@ -2,14 +2,43 @@
 #include "tracklist.hpp"
 #include "ta_parameter.hpp"
 #include "playlist.hpp"
+#include "interpreter.hpp"
+
+#include "widget/button_label.hpp"
+#include "widget/left_aligned.hpp"
 
 namespace scene::tracker::tracklist {
 
+  static bool samples_tab = false;
+
+  void playlist_click()
+  {
+    samples_tab = false;
+  }
+
+  void samples_click()
+  {
+    samples_tab = true;
+  }
+
   const float width = glyph::hori_advance * 20 + 3 * 2;
   const int line_rows_half = 5;
   const int line_rows = line_rows_half * 2 + 1;
   const float height = glyph::vert_advance * line_rows + 3 * 2;
 
+#define __length(c) ((sizeof (c)) / (sizeof (c[0])))
+
+  widget::button_label playlist_button(width / 2 - 1, 20, "playlist", playlist_click);
+  widget::button_label instruments_button(width / 2 - 1, 20, "samples", samples_click);
+
+  widget::widget * playlist_instruments_children[] = {
+    &playlist_button,
+    &instruments_button,
+  };
+  int playlist_instruments_length = __length(playlist_instruments_children);
+
+  widget::left_aligned playlist_instruments(0, 0, 1, playlist_instruments_children, playlist_instruments_length);
+
   void draw_borders(ta_parameter_writer& writer, float x, float y)
   {
     transfer_horizontal_border(writer, x, y, width);
@@ -34,6 +63,20 @@ namespace scene::tracker::tracklist {
     }
   }
 
+  void draw_sample_names(ta_parameter_writer& writer, float x, float y)
+  {
+    int count = interpreter::state.xm.header->number_of_instruments;
+    for (int i = 0; i < count; i++) {
+      if (i >= line_rows)
+        break;
+
+      transfer_string(writer, (const char *)interpreter::state.xm.instrument_header[i]->instrument_name,
+                      x, y, 1.0 / 10.0,
+                      0xffffff);
+      y += glyph::vert_advance;
+    }
+  }
+
   void draw_middle_line(ta_parameter_writer& writer, float x, float y)
   {
     int middle_width = width;
@@ -90,21 +133,78 @@ namespace scene::tracker::tracklist {
                      0xffffff);
   }
 
+  void draw_tab_connector(ta_parameter_writer& writer, float x, float y)
+  {
+    const static float background_depth = 1.0 / 9.5;
+    const static int background_color = 0x282c2c;
+
+    const static float shadow_depth = 1.0 / 10.0;
+    const static int shadow_color = 0x0000000;
+
+    float x0;
+
+    if (samples_tab) {
+      x0 = x + width / 2 + 2;
+    } else {
+      x0 = x + 2;
+    }
+
+    float y0 = y;
+    float x1 = x0 + width / 2 - 5;
+    float y1 = y0 + 5;
+
+    quad_type_0(writer,
+                {x0, y0, background_depth},
+                {x1, y0, background_depth},
+                {x1, y1, background_depth},
+                {x0, y1, background_depth},
+                background_color);
+
+    quad_type_0(writer,
+                {x0 - 1, y0, shadow_depth},
+                {x1 + 1, y0, shadow_depth},
+                {x1 + 1, y1, shadow_depth},
+                {x0 - 1, y1, shadow_depth},
+                shadow_color);
+  }
+
+  void init(float x, float y)
+  {
+    playlist_instruments.freeze(x, y);
+  }
+
+  void update_pick(cursor::cursor& c)
+  {
+    widget::widget * w = playlist_instruments.pick(c.x, c.y);
+    if (w != nullptr) {
+      w->click();
+    }
+  }
+
   void draw(ta_multiwriter& multi, float x, float y)
   {
     transfer_global_polygon_glyph(multi.pt);
 
-    draw_heading(multi.pt, x, y);
+    playlist_instruments.draw(multi);
+    //draw_heading(multi.pt, x, y);
 
-    draw_middle_line(multi.op, x, y + 3);
+    y = y + playlist_instruments.height - 10;
 
     global_polygon_untextured(multi.op,
                               para_control::list_type::translucent,
                               tsp_instruction_word::dst_alpha_instr::zero);
 
+    draw_tab_connector(multi.op, x, y + 10 - 2);
+
+
     float yi = y + glyph::vert_advance + 3;
     draw_borders(multi.op, x, yi);
 
-    draw_track_names(multi.pt, x + 3, yi + 3);
+    if (samples_tab) {
+      draw_sample_names(multi.pt, x + 3, yi + 3);
+    } else {
+      draw_track_names(multi.pt, x + 3, yi + 3);
+      draw_middle_line(multi.op, x, y + 3);
+    }
   }
 }

src/scene/tracker/tracklist.hpp

@@ -1,7 +1,10 @@
 #pragma once
 
 #include "ta_multiwriter.hpp"
+#include "cursor.hpp"
 
 namespace scene::tracker::tracklist {
+  void init(float x, float y);
+  void update_pick(cursor::cursor& c);
   void draw(ta_multiwriter& multi, float x, float y);
 }