smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2026-01-06 13:45:43 +01:00
Code Issues Projects Releases Wiki Activity

more movement of code and members from Editor => EditingContext

Browse source
This commit is contained in:
Paul Davis 2023-11-19 11:37:31 -07:00
parent e9d63a707a
commit 4398fe931b
7 changed files with 347 additions and 399 deletions
Download patch file Download diff file Expand all files Collapse all files

66
gtk2_ardour/editing_context.h
View file

@ -142,14 +142,44 @@ public:
virtual void set_selected_midi_region_view (MidiRegionView&);
virtual samplepos_t pixel_to_sample_from_event (double pixel) const = 0;
virtual samplepos_t pixel_to_sample (double pixel) const = 0;
virtual double sample_to_pixel (samplepos_t sample) const = 0;
virtual double sample_to_pixel_unrounded (samplepos_t sample) const = 0;
virtual double time_to_pixel (Temporal::timepos_t const & pos) const = 0;
virtual double time_to_pixel_unrounded (Temporal::timepos_t const & pos) const = 0;
virtual double duration_to_pixels (Temporal::timecnt_t const & pos) const = 0;
virtual double duration_to_pixels_unrounded (Temporal::timecnt_t const & pos) const = 0;
/* NOTE: these functions assume that the "pixel" coordinate is
in canvas coordinates. These coordinates already take into
account any scrolling offsets.
*/
samplepos_t pixel_to_sample_from_event (double pixel) const {
/* pixel can be less than zero when motion events
are processed. since we've already run the world->canvas
affine, that means that the location *really* is "off
to the right" and thus really is "before the start".
*/
if (pixel >= 0) {
return pixel * samples_per_pixel;
} else {
return 0;
}
}
samplepos_t pixel_to_sample (double pixel) const {
return pixel * samples_per_pixel;
}
double sample_to_pixel (samplepos_t sample) const {
return round (sample / (double) samples_per_pixel);
}
double sample_to_pixel_unrounded (samplepos_t sample) const {
return sample / (double) samples_per_pixel;
}
double time_to_pixel (Temporal::timepos_t const & pos) const;
double time_to_pixel_unrounded (Temporal::timepos_t const & pos) const;
double duration_to_pixels (Temporal::timecnt_t const & pos) const;
double duration_to_pixels_unrounded (Temporal::timecnt_t const & pos) const;
/** computes the timeline sample (sample) of an event whose coordinates
* are in canvas units (pixels, scroll offset included).
*/
@ -190,17 +220,17 @@ public:
virtual void snap_to (Temporal::timepos_t & first,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref pref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false) = 0;
bool ensure_snap = false);
virtual void snap_to_with_modifier (Temporal::timepos_t & first,
GdkEvent const* ev,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref gpref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false) = 0;
bool ensure_snap = false);
virtual Temporal::timepos_t snap_to_bbt (Temporal::timepos_t const & start,
Temporal::RoundMode direction,
ARDOUR::SnapPref gpref) = 0;
ARDOUR::SnapPref gpref);
virtual double get_y_origin () const = 0;
virtual void reset_x_origin (samplepos_t) = 0;
@ -342,7 +372,21 @@ public:
MouseCursors* _cursors;
VerboseCursor* _verbose_cursor;
samplecnt_t samples_per_pixel;
Editing::ZoomFocus zoom_focus;
Temporal::timepos_t _snap_to_bbt (Temporal::timepos_t const & start,
Temporal::RoundMode direction,
ARDOUR::SnapPref gpref,
Editing::GridType grid_type);
void snap_to_internal (Temporal::timepos_t& first,
Temporal::RoundMode direction = Temporal::RoundNearest,
ARDOUR::SnapPref gpref = ARDOUR::SnapToAny_Visual,
bool ensure_snap = false);
};
#endif /* __ardour_midi_editing_context_h__ */