track.h

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// SPDX-FileCopyrightText: © 2018-2024 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#ifndef __GUI_WIDGETS_TRACK_H__
#define __GUI_WIDGETS_TRACK_H__
 
#include <stdbool.h>
 
#include <gtk/gtk.h>
 
#define TRACK_WIDGET_TYPE (track_widget_get_type ())
G_DECLARE_FINAL_TYPE (TrackWidget, track_widget, Z, TRACK_WIDGET, GtkWidget)
 
typedef struct _ArrangerWidget      ArrangerWidget;
typedef struct AutomationModeWidget AutomationModeWidget;
typedef struct CustomButtonWidget   CustomButtonWidget;
typedef struct _MeterWidget         MeterWidget;
typedef struct Track                Track;
typedef struct _TrackCanvasWidget   TrackCanvasWidget;
TYPEDEF_STRUCT_UNDERSCORED (FaderButtonsWidget);
 
#define TRACK_BUTTON_SIZE 18
 
#define TRACK_BUTTON_PADDING 6
 
#define TRACK_BUTTON_PADDING_FROM_EDGE 3
 
#define TRACK_BOT_BUTTONS_SHOULD_BE_VISIBLE(height) \
  (height \
   >= (TRACK_BUTTON_SIZE + TRACK_BUTTON_PADDING_FROM_EDGE) * 2 \
        + TRACK_BUTTON_PADDING)
 
#define TRACK_COLOR_AREA_WIDTH 18
 
#define TRACK_ICON_NAME_MONO_COMPAT "mono"
#define TRACK_ICON_NAME_SWAP_PHASE "phase"
#define TRACK_ICON_NAME_RECORD "media-record"
#define TRACK_ICON_NAME_SOLO "solo"
#define TRACK_ICON_NAME_MUTE "mute"
#define TRACK_ICON_NAME_LISTEN "gnome-icon-library-headphones-symbolic"
#define TRACK_ICON_NAME_SHOW_UI "jam-icons-screen"
#define TRACK_ICON_NAME_SHOW_AUTOMATION_LANES "automation-4p"
#define TRACK_ICON_NAME_SHOW_TRACK_LANES "untitled-ui-rows-03"
#define TRACK_ICON_NAME_LOCK "gnome-icon-library-padlock2-symbolic"
#define TRACK_ICON_NAME_UNLOCK "gnome-icon-library-padlock2-open-symbolic"
#define TRACK_ICON_NAME_FREEZE "fork-awesome-snowflake-o"
#define TRACK_ICON_NAME_PLUS "add"
#define TRACK_ICON_NAME_MINUS "remove"
#define TRACK_ICON_NAME_BUS "effect"
#define TRACK_ICON_NAME_CHORDS "minuet-chords"
#define TRACK_ICON_NAME_SHOW_MARKERS \
  "gnome-icon-library-flag-outline-thick-symbolic"
#define TRACK_ICON_NAME_MIDI "instrument"
#define TRACK_ICON_NAME_TEMPO "filename-bpm-amarok"
#define TRACK_ICON_NAME_MODULATOR "gnome-icon-library-encoder-knob-symbolic"
#define TRACK_ICON_NAME_FOLD "fluentui-folder-regular"
#define TRACK_ICON_NAME_FOLD_OPEN "fluentui-folder-open-regular"
#define TRACK_ICON_NAME_MONITOR_AUDIO "audition"
 
#define TRACK_ICON_IS(x, name) (string_is_equal (x, TRACK_ICON_NAME_##name))
 
#define TRACK_CB_ICON_IS(name) TRACK_ICON_IS (cb->icon_name, name)
 
typedef enum TrackWidgetHighlight
{
  TRACK_WIDGET_HIGHLIGHT_NONE,
  TRACK_WIDGET_HIGHLIGHT_TOP,
  TRACK_WIDGET_HIGHLIGHT_BOTTOM,
  TRACK_WIDGET_HIGHLIGHT_INSIDE,
} TrackWidgetHighlight;
 
typedef enum TrackWidgetResizeTarget
{
  TRACK_WIDGET_RESIZE_TARGET_TRACK,
  TRACK_WIDGET_RESIZE_TARGET_AT,
  TRACK_WIDGET_RESIZE_TARGET_LANE,
} TrackWidgetResizeTarget;
 
typedef struct _TrackWidget
{
  GtkWidget parent_instance;
 
  GtkBox * main_box;
 
  GtkBox * group_colors_box;
 
  GtkGestureDrag *  drag;
  GtkGestureClick * click;
 
  GtkGestureClick * right_click;
 
  int dragged;
 
  int n_press;
 
  bool bg_hovered;
 
  bool color_area_hovered;
 
  bool icon_hovered;
 
  int resize;
 
  int resizing;
 
  TrackWidgetResizeTarget resize_target_type;
 
  void * resize_target;
 
  Track * track;
 
  int ctrl_held_at_start;
 
  GtkBox * highlight_top_box;
  GtkBox * highlight_bot_box;
 
  TrackWidgetHighlight highlight_loc;
 
  int selected_in_dnd;
 
  double start_x;
  double start_y;
  double last_offset_y;
 
  double last_x;
  double last_y;
 
  CustomButtonWidget * last_hovered_btn;
 
  int button_pressed;
 
  CustomButtonWidget * clicked_button;
 
  AutomationModeWidget * clicked_am;
 
  TrackCanvasWidget * canvas;
 
  // gulong              record_toggle_handler_id;
  // gulong              solo_toggled_handler_id;
  // gulong              mute_toggled_handler_id;
 
  CustomButtonWidget * top_buttons[8];
  int                  num_top_buttons;
  CustomButtonWidget * bot_buttons[8];
  int                  num_bot_buttons;
 
  MeterWidget * meter_l;
  MeterWidget * meter_r;
 
  char * tooltip_text;
 
  gint64 last_midi_out_trigger_time;
 
  int redraw;
 
  bool was_armed;
 
  cairo_t *         cached_cr;
  cairo_surface_t * cached_surface;
 
  GtkPopoverMenu * popover_menu;
 
  GtkPopover *         track_name_popover;
  FaderButtonsWidget * fader_buttons_for_popover;
} TrackWidget;
 
const char *
track_widget_highlight_to_str (TrackWidgetHighlight highlight);
 
TrackWidget *
track_widget_new (Track * track);
 
void
track_widget_set_name (TrackWidget * self, const char * name);
 
void
track_widget_on_show_automation_toggled (TrackWidget * self);
 
void
track_widget_on_show_lanes_toggled (TrackWidget * self);
 
void
track_widget_on_record_toggled (TrackWidget * self);
 
bool
track_widget_is_cursor_in_range_select_half (TrackWidget * self, double y);
 
void
track_widget_update_icons (TrackWidget * self);
 
void
track_widget_update_size (TrackWidget * self);
 
TrackWidgetHighlight
track_widget_get_highlight_location (TrackWidget * self, int y);
 
void
track_widget_do_highlight (
  TrackWidget * self,
  gint          x,
  gint          y,
  const int     highlight);
 
int
track_widget_get_local_y (
  TrackWidget *    self,
  ArrangerWidget * arranger,
  int              arranger_y);
 
void
track_widget_redraw_meters (TrackWidget * self);
 
void
track_widget_recreate_group_colors (TrackWidget * self);
 
CustomButtonWidget *
track_widget_get_hovered_button (TrackWidget * self, int x, int y);
 
AutomationModeWidget *
track_widget_get_hovered_am_widget (TrackWidget * self, int x, int y);
 
AutomationTrack *
track_widget_get_at_at_y (TrackWidget * self, double y);
 
#endif