remember tracklist width per project

This changes the project format from 1.7 to 1.8.

Implements #4091.

inc/dsp/tracklist.h

@@ -118,6 +118,9 @@ typedef struct Tracklist
 
   /** Pointer to owner project, if any. */
   Project * project;
+
+  /** Width of track widgets. */
+  int width;
 } Tracklist;
 
 /**

inc/gui/backend/timeline.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: © 2020 Alexandros Theodotou <alex@zrythm.org>
+// SPDX-FileCopyrightText: © 2020, 2023 Alexandros Theodotou <alex@zrythm.org>
 // SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
 /**
@@ -11,7 +11,6 @@
 #define __GUI_BACKEND_TIMELINE_H__
 
 #include "gui/backend/editor_settings.h"
-#include "utils/yaml.h"
 
 /**
  * @addtogroup gui_backend
@@ -19,8 +18,6 @@
  * @{
  */
 
-#define TIMELINE_SCHEMA_VERSION 1
-
 #define PRJ_TIMELINE (PROJECT->timeline)
 
 /**
@@ -31,26 +28,13 @@
  */
 typedef struct Timeline
 {
-  int schema_version;
-
   /** Settings for the timeline. */
   EditorSettings editor_settings;
+
+  /** Width of the left side of the timeline panel. */
+  int tracks_width;
 } Timeline;
 
-static const cyaml_schema_field_t timeline_fields_schema[] = {
-  YAML_FIELD_INT (Timeline, schema_version),
-  YAML_FIELD_MAPPING_EMBEDDED (
-    Timeline,
-    editor_settings,
-    editor_settings_fields_schema),
-
-  CYAML_FIELD_END
-};
-
-static const cyaml_schema_value_t timeline_schema = {
-  CYAML_VALUE_MAPPING (CYAML_FLAG_POINTER, Timeline, timeline_fields_schema),
-};
-
 /**
  * Inits the Timeline after a Project is loaded.
  */

inc/project.h

@@ -51,7 +51,7 @@ typedef struct TracklistSelections TracklistSelections;
  */
 
 #define PROJECT_FORMAT_MAJOR 1
-#define PROJECT_FORMAT_MINOR 7
+#define PROJECT_FORMAT_MINOR 8
 
 #define PROJECT ZRYTHM->project
 #define DEFAULT_PROJECT_NAME "Untitled Project"

resources/ui/timeline_panel.ui

@@ -29,6 +29,7 @@
           <object class="GtkBox" id="timelines_plus_ruler">
             <property name="name">timelines-plus-ruler-box</property>
             <property name="orientation">vertical</property>
+            <property name="width-request">64</property>
             <child>
               <object class="RulerWidget" id="ruler">
               </object>

src/gui/backend/event_manager.c

@@ -1030,6 +1030,8 @@ event_manager_process_event (EventManager * self, ZEvent * ev)
         MW_RULER, ruler_widget_get_zoom_level (MW_RULER));
       ruler_widget_set_zoom_level (
         EDITOR_RULER, ruler_widget_get_zoom_level (EDITOR_RULER));
+      gtk_paned_set_position (
+        MW_TIMELINE_PANEL->tracklist_timeline, PRJ_TIMELINE->tracks_width);
       break;
     case ET_AUTOMATION_TRACKLIST_AT_REMOVED:
       /* TODO */

src/gui/backend/timeline.c

@@ -25,9 +25,9 @@ Timeline *
 timeline_clone (Timeline * src)
 {
   Timeline * self = object_new (Timeline);
-  self->schema_version = TIMELINE_SCHEMA_VERSION;
 
   self->editor_settings = src->editor_settings;
+  self->tracks_width = src->tracks_width;
 
   return self;
 }
@@ -39,7 +39,6 @@ Timeline *
 timeline_new (void)
 {
   Timeline * self = object_new (Timeline);
-  self->schema_version = TIMELINE_SCHEMA_VERSION;
 
   return self;
 }

src/gui/widgets/timeline_panel.c

@@ -26,6 +26,16 @@
 
 G_DEFINE_TYPE (TimelinePanelWidget, timeline_panel_widget, GTK_TYPE_BOX)
 
+static void
+on_vertical_divider_position_change (
+  GObject *    gobject,
+  GParamSpec * pspec,
+  gpointer     user_data)
+{
+  GtkPaned * paned = GTK_PANED (gobject);
+  PRJ_TIMELINE->tracks_width = gtk_paned_get_position (paned);
+}
+
 void
 timeline_panel_widget_setup (TimelinePanelWidget * self)
 {
@@ -118,6 +128,10 @@ timeline_panel_widget_init (TimelinePanelWidget * self)
     GTK_WIDGET (self->timeline_divider_box), "timeline-divider-box");
 
   gtk_widget_set_focus_on_click (GTK_WIDGET (self), false);
+
+  g_signal_connect (
+    G_OBJECT (self->tracklist_timeline), "notify::position",
+    G_CALLBACK (on_vertical_divider_position_change), NULL);
 }
 
 static void

src/io/serialization/gui_backend.c

@@ -146,6 +146,7 @@ timeline_serialize_to_json (
     yyjson_mut_obj_add_obj (doc, t_obj, "editorSettings");
   editor_settings_serialize_to_json (
     doc, editor_settings_obj, &t->editor_settings, error);
+  yyjson_mut_obj_add_int (doc, t_obj, "tracksWidth", t->tracks_width);
   return true;
 }
 
@@ -318,6 +319,11 @@ timeline_deserialize_from_json (
   yyjson_val * editor_settings_obj = yyjson_obj_iter_get (&it, "editorSettings");
   editor_settings_deserialize_from_json (
     doc, editor_settings_obj, &t->editor_settings, error);
+  yyjson_val * tracks_width_obj = yyjson_obj_iter_get (&it, "tracksWidth");
+  if (tracks_width_obj) /* available after 1.8 */
+    {
+      t->tracks_width = yyjson_get_int (tracks_width_obj);
+    }
   return true;
 }