midi__editor__space_8h_source.html

// SPDX-FileCopyrightText: © 2018-2019, 2021-2023 Alexandros Theodotou <alex@zrythm.org>

// SPDX-License-Identifier: LicenseRef-ZrythmLicense


#ifndef __GUI_WIDGETS_MIDI_EDITOR_SPACE_H__

#define __GUI_WIDGETS_MIDI_EDITOR_SPACE_H__


#include "gui/backend/gtk_widgets/gtk_wrapper.h"


#define MIDI_EDITOR_SPACE_WIDGET_TYPE (midi_editor_space_widget_get_type ())

G_DECLARE_FINAL_TYPE (

  MidiEditorSpaceWidget,

  midi_editor_space_widget,

  Z,

  MIDI_EDITOR_SPACE_WIDGET,

  GtkWidget);


TYPEDEF_STRUCT_UNDERSCORED (ArrangerWrapperWidget);

TYPEDEF_STRUCT_UNDERSCORED (PianoRollKeysWidget);

TYPEDEF_STRUCT_UNDERSCORED (VelocitySettingsWidget);


#define MW_MIDI_EDITOR_SPACE MW_CLIP_EDITOR_INNER->midi_editor_space


typedef struct _MidiEditorSpaceWidget

{

  GtkWidget parent_instance;


  GtkPaned * midi_arranger_velocity_paned;


  GtkScrolledWindow * piano_roll_keys_scroll;

  GtkViewport *       piano_roll_keys_viewport;


  GtkBox * midi_notes_box;


  PianoRollKeysWidget * piano_roll_keys;


  GtkBox *                midi_arranger_box;

  ArrangerWrapperWidget * arranger_wrapper;

  ArrangerWidget *        modifier_arranger;


  VelocitySettingsWidget * velocity_settings;

  GtkBox *                 midi_vel_chooser_box;

  GtkComboBoxText *        midi_modifier_chooser;


  GtkSizeGroup * arranger_and_keys_vsize_group;


  bool scrolled_on_first_refresh;

} MidiEditorSpaceWidget;


void

midi_editor_space_widget_setup (MidiEditorSpaceWidget * self);


void

midi_editor_space_widget_update_size_group (

  MidiEditorSpaceWidget * self,

  int                     visible);


void

midi_editor_space_widget_set_piano_keys_scroll_start_y (

  MidiEditorSpaceWidget * self,

  int                     y);


gboolean

midi_editor_space_widget_scroll_to_middle (MidiEditorSpaceWidget * self);


void

midi_editor_space_widget_refresh (MidiEditorSpaceWidget * self);


#endif

ArrangerWidget
struct _ArrangerWidget { GtkWidget parent_instance; ArrangerWidgetType type; GtkGestureDrag * drag; GtkGestureClick * click; GtkGestureClick * right_click; GtkEventControllerMotion *motion_controller; double last_offset_x; double last_offset_y; double offset_x_from_scroll; double offset_y_from_scroll; UiOverlayAction action; double start_x; double start_y; double start_pos_px; bool drag_update_started; std::unique_ptr< Position > earliest_obj_start_pos; Position fade_pos_at_start; std::unique_ptr< ArrangerObject > start_object; std::weak_ptr< ArrangerObject > prj_start_object; std::weak_ptr< ArrangerObject > hovered_object; bool start_object_was_selected; std::unique_ptr< ArrangerSelections > sel_at_start; std::unique_ptr< Region > region_at_start; std::unique_ptr< ArrangerSelections > sel_to_delete; Position start_pos; bool was_paused; Position playhead_pos_at_start; double curr_ticks_diff_from_start; double adj_ticks_diff; double last_adj_ticks_diff; Position curr_pos; Position end_pos; gboolean key_is_pressed; double hover_x; double hover_y; bool hovered; int n_press; std::shared_ptr< SnapGrid > snap_grid; int shift_held; int ctrl_held; int alt_held; gint64 last_frame_time; int visible_track_diff; int lane_diff; int visible_at_diff; int is_pinned; int resizing_range; int resizing_range_start; AutomationTrack *hovered_at; TrackLane * hovered_lane; Track * hovered_track; GdkTexture *symbolic_link_texture; GdkTexture *music_note_16th_texture; GdkTexture *fork_awesome_snowflake_texture; GdkTexture *media_playlist_repeat_texture; int region_icon_texture_size; GskRenderNode *loop_line_node; GskRenderNode *clip_start_line_node; GskRenderNode *cut_line_node; int hovered_note; int start_vel_val; int vel_diff; int hovered_chord_index; float fval_at_start; double dval_at_start; int last_playhead_px; bool redraw; graphene_rect_t last_rect; bool can_link; bool is_highlighted; GdkRectangle highlight_rect; GdkRectangle last_selection_rect; guint drag_start_btn; bool first_draw; double new_hadj_val; Transport::Display ruler_display; PangoLayoutUniquePtr vel_layout; PangoLayoutUniquePtr ap_layout; PangoLayoutUniquePtr audio_layout; PangoLayoutUniquePtr debug_layout; int queued_playhead_px; GtkPopoverMenu *popover_menu; guint unlisten_notes_timeout_id;} ArrangerWidget
A canvas widget for drawing and interacting with arranger objects.
Definition arranger.h:95

midi_editor_space_widget_scroll_to_middle
gboolean midi_editor_space_widget_scroll_to_middle(MidiEditorSpaceWidget *self)
To be used as a source func when first showing a MIDI region.

midi_editor_space_widget_update_size_group
void midi_editor_space_widget_update_size_group(MidiEditorSpaceWidget *self, int visible)
See CLIP_EDITOR_INNER_WIDGET_ADD_TO_SIZEGROUP.

midi_editor_space_widget_set_piano_keys_scroll_start_y
void midi_editor_space_widget_set_piano_keys_scroll_start_y(MidiEditorSpaceWidget *self, int y)
Updates the scroll adjustment.

ArrangerWrapperWidget
struct _ArrangerWrapperWidget { GtkWidget parent_instance; GtkOverlay *overlay; GtkScrollbar * right_scrollbar; ArrangerWidget * child; ArrangerMinimapWidget *minimap;} ArrangerWrapperWidget
Wraps the arranger widget in a box with scrollbars.
Definition arranger_wrapper.h:36

MidiEditorSpaceWidget
The piano roll widget is the whole space inside the clip editor tab when a MIDI region is selected.
Definition midi_editor_space.h:40

MidiEditorSpaceWidget::midi_arranger_box
GtkBox * midi_arranger_box
Piano roll.
Definition midi_editor_space.h:53

MidiEditorSpaceWidget::arranger_and_keys_vsize_group
GtkSizeGroup * arranger_and_keys_vsize_group
Vertical size goup for the keys and the arranger.
Definition midi_editor_space.h:63

MidiEditorSpaceWidget::scrolled_on_first_refresh
bool scrolled_on_first_refresh
Whether we scrolled to the middle already (should happen once per run).
Definition midi_editor_space.h:69