Aegisub/src/audio_timing_dialogue.cpp

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// Copyright (c) 2010, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include "ass_dialogue.h"
#include "ass_file.h"
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#include "audio_marker.h"
#include "audio_rendering_style.h"
#include "audio_timing.h"
#include "command/command.h"
#include "include/aegisub/context.h"
#include "options.h"
#include "pen.h"
#include "selection_controller.h"
#include "utils.h"
#include <libaegisub/ass/time.h>
#include <libaegisub/make_unique.h>
#include <boost/range/algorithm.hpp>
#include <wx/pen.h>
namespace {
class TimeableLine;
/// @class DialogueTimingMarker
/// @brief AudioMarker implementation for AudioTimingControllerDialogue
///
/// Audio marker intended to live in pairs of two, taking styles depending
/// on which marker in the pair is to the left and which is to the right.
class DialogueTimingMarker final : public AudioMarker {
/// Current ms position of this marker
int position;
/// Draw style for the marker
const Pen *style;
/// Feet style for the marker
FeetStyle feet;
/// Rendering style of the owning line, needed for sorting
AudioRenderingStyle type;
/// The line which owns this marker
TimeableLine *line;
public:
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int GetPosition() const override { return position; }
wxPen GetStyle() const override { return *style; }
FeetStyle GetFeet() const override { return feet; }
/// Move the marker to a new position
/// @param new_position The position to move the marker to, in milliseconds
///
/// This notifies the owning line of the change, so that it can ensure that
/// this marker has the appropriate rendering style.
void SetPosition(int new_position);
/// Constructor
/// @param position Initial position of this marker
/// @param style Rendering style of this marker
/// @param feet Foot style of this marker
/// @param type Type of this marker, used only for sorting
/// @param line Line which this is a marker for
DialogueTimingMarker(int position, const Pen *style, FeetStyle feet, AudioRenderingStyle type, TimeableLine *line)
: position(position)
, style(style)
, feet(feet)
, type(type)
, line(line)
{
}
DialogueTimingMarker(DialogueTimingMarker const& other, TimeableLine *line)
: position(other.position)
, style(other.style)
, feet(other.feet)
, type(other.type)
, line(line)
{
}
/// Get the line which this is a marker for
TimeableLine *GetLine() const { return line; }
/// Implicit decay to the position of the marker
operator int() const { return position; }
/// Comparison operator
///
/// Compares first on position, then on audio rendering style so that the
/// markers for the active line end up after those for the inactive lines.
bool operator<(DialogueTimingMarker const& other) const
{
if (position < other.position) return true;
if (position > other.position) return false;
return type < other.type;
}
/// Swap the rendering style of this marker with that of the passed marker
void SwapStyles(DialogueTimingMarker &other)
{
std::swap(style, other.style);
std::swap(feet, other.feet);
}
};
/// A comparison predicate for pointers to dialogue markers and millisecond positions
struct marker_ptr_cmp
{
bool operator()(const DialogueTimingMarker *lft, const DialogueTimingMarker *rgt) const
{
return *lft < *rgt;
}
bool operator()(const DialogueTimingMarker *lft, int rgt) const
{
return *lft < rgt;
}
bool operator()(int lft, const DialogueTimingMarker *rgt) const
{
return lft < *rgt;
}
};
/// @class TimeableLine
/// @brief A single dialogue line which can be timed via AudioTimingControllerDialogue
///
/// This class provides markers and styling ranges for a single dialogue line,
/// both active and inactive. In addition, it can apply changes made via those
/// markers to the tracked dialogue line.
class TimeableLine {
/// The current tracked dialogue line
AssDialogue *line = nullptr;
/// The rendering style of this line
AudioRenderingStyle style;
/// One of the markers. Initially the left marker, but the user may change this.
DialogueTimingMarker marker1;
/// One of the markers. Initially the right marker, but the user may change this.
DialogueTimingMarker marker2;
/// Pointer to whichever marker happens to be on the left
DialogueTimingMarker *left_marker;
/// Pointer to whichever marker happens to be on the right
DialogueTimingMarker *right_marker;
public:
/// Constructor
/// @param style Rendering style to use for this line's time range
/// @param style_left The rendering style for the start marker
/// @param style_right The rendering style for the end marker
TimeableLine(AudioRenderingStyle style, const Pen *style_left, const Pen *style_right)
: style(style)
, marker1(0, style_left, AudioMarker::Feet_Right, style, this)
, marker2(0, style_right, AudioMarker::Feet_Left, style, this)
, left_marker(&marker1)
, right_marker(&marker2)
{
}
/// Explicit copy constructor needed due to that the markers have a pointer to this
TimeableLine(TimeableLine const& other)
: line(other.line)
, style(other.style)
, marker1(*other.left_marker, this)
, marker2(*other.right_marker, this)
, left_marker(&marker1)
, right_marker(&marker2)
{
}
/// Get the tracked dialogue line
AssDialogue *GetLine() const { return line; }
/// Get the time range for this line
operator TimeRange() const { return TimeRange(*left_marker, *right_marker); }
/// Add this line's style to the style ranges
void GetStyleRange(AudioRenderingStyleRanges *ranges) const
{
ranges->AddRange(*left_marker, *right_marker, style);
}
/// Get this line's markers
/// @param c Vector to add the markers to
template<typename Container>
void GetMarkers(Container *c) const
{
c->push_back(left_marker);
c->push_back(right_marker);
}
/// Get the leftmost of the markers
DialogueTimingMarker *GetLeftMarker() { return left_marker; }
const DialogueTimingMarker *GetLeftMarker() const { return left_marker; }
/// Get the rightmost of the markers
DialogueTimingMarker *GetRightMarker() { return right_marker; }
const DialogueTimingMarker *GetRightMarker() const { return right_marker; }
/// Does this line have a marker in the given range?
bool ContainsMarker(TimeRange const& range) const
{
return range.contains(marker1) || range.contains(marker2);
}
/// Check if the markers have the correct styles, and correct them if needed
void CheckMarkers()
{
if (*right_marker < *left_marker)
{
marker1.SwapStyles(marker2);
std::swap(left_marker, right_marker);
}
}
/// Apply any changes made here to the tracked dialogue line
void Apply()
{
if (line)
{
line->Start = left_marker->GetPosition();
line->End = right_marker->GetPosition();
}
}
/// Set the dialogue line which this is tracking and reset the markers to
/// the line's time range
/// @return Were the markers actually set to the line's time?
bool SetLine(AssDialogue *new_line)
{
if (!line || new_line->End > 0)
{
line = new_line;
marker1.SetPosition(new_line->Start);
marker2.SetPosition(new_line->End);
return true;
}
else
{
line = new_line;
return false;
}
}
};
void DialogueTimingMarker::SetPosition(int new_position) {
position = new_position;
line->CheckMarkers();
}
/// @class AudioTimingControllerDialogue
/// @brief Default timing mode for dialogue subtitles
///
/// Displays a start and end marker for an active subtitle line, and possibly
/// some of the inactive lines. The markers for the active line can be dragged,
/// updating the audio selection and the start/end time of that line. In
/// addition, any markers for inactive lines that start/end at the same time
/// as the active line starts/ends can optionally be dragged along with the
/// active line's markers, updating those lines as well.
class AudioTimingControllerDialogue final : public AudioTimingController {
/// The rendering style for the active line's start marker
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Pen style_left{"Colour/Audio Display/Line boundary Start", "Audio/Line Boundaries Thickness"};
/// The rendering style for the active line's end marker
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Pen style_right{"Colour/Audio Display/Line boundary End", "Audio/Line Boundaries Thickness"};
/// The rendering style for the start and end markers of inactive lines
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Pen style_inactive{"Colour/Audio Display/Line Boundary Inactive Line", "Audio/Line Boundaries Thickness"};
/// The currently active line
TimeableLine active_line;
/// Inactive lines which are currently modifiable
std::list<TimeableLine> inactive_lines;
/// Selected lines which are currently modifiable
std::list<TimeableLine> selected_lines;
/// All audio markers for active and inactive lines, sorted by position
std::vector<DialogueTimingMarker*> markers;
/// Marker provider for video keyframes
AudioMarkerProviderKeyframes keyframes_provider;
/// Marker provider for video playback position
VideoPositionMarkerProvider video_position_provider;
/// Marker provider for seconds lines
SecondsMarkerProvider seconds_provider;
/// The set of lines which have been modified and need to have their
/// changes applied on commit
std::set<TimeableLine*> modified_lines;
/// Commit id for coalescing purposes when in auto commit mode
int commit_id =-1;
/// The owning project context
agi::Context *context;
/// The time which was clicked on for alt-dragging mode, or INT_MIN if not in alt-draging mode
int clicked_ms = INT_MIN;
/// Autocommit option
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const agi::OptionValue *auto_commit = OPT_GET("Audio/Auto/Commit");
const agi::OptionValue *inactive_line_mode = OPT_GET("Audio/Inactive Lines Display Mode");
const agi::OptionValue *inactive_line_comments = OPT_GET("Audio/Display/Draw/Inactive Comments");
const agi::OptionValue *drag_timing = OPT_GET("Audio/Drag Timing");
agi::signal::Connection commit_connection;
agi::signal::Connection audio_open_connection;
agi::signal::Connection inactive_line_mode_connection;
agi::signal::Connection inactive_line_comment_connection;
agi::signal::Connection active_line_connection;
agi::signal::Connection selection_connection;
/// Update the audio controller's selection
void UpdateSelection();
/// Regenerate the list of timeable inactive lines
void RegenerateInactiveLines();
/// Regenerate the list of timeable selected lines
void RegenerateSelectedLines();
/// Add a line to the list of timeable inactive lines
void AddInactiveLine(Selection const& sel, AssDialogue *diag);
/// Regenerate the list of active and inactive line markers
void RegenerateMarkers();
/// Get the start markers for the active line and all selected lines
std::vector<AudioMarker*> GetLeftMarkers();
/// Get the end markers for the active line and all selected lines
std::vector<AudioMarker*> GetRightMarkers();
/// @brief Set the position of markers and announce the change to the world
/// @param upd_markers Markers to move
/// @param ms New position of the markers
void SetMarkers(std::vector<AudioMarker*> const& upd_markers, int ms, int snap_range);
/// Try to snap all of the active markers to any inactive markers
/// @param snap_range Maximum distance to snap in milliseconds
/// @param active Markers which should be snapped
/// @return The distance the markers were shifted by
int SnapMarkers(int snap_range, std::vector<AudioMarker*> const& markers) const;
/// Commit all pending changes to the file
/// @param user_triggered Is this a user-initiated commit or an autocommit
void DoCommit(bool user_triggered);
void OnSelectedSetChanged();
// AssFile events
void OnFileChanged(int type);
public:
// AudioMarkerProvider interface
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void GetMarkers(const TimeRange &range, AudioMarkerVector &out_markers) const override;
// AudioTimingController interface
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void GetRenderingStyles(AudioRenderingStyleRanges &ranges) const override;
void GetLabels(TimeRange const& range, std::vector<AudioLabel> &out) const override { }
void Next(NextMode mode) override;
void Prev() override;
void Revert() override;
void AddLeadIn() override;
void AddLeadOut() override;
void ModifyLength(int delta, bool shift_following) override;
void ModifyStart(int delta) override;
bool IsNearbyMarker(int ms, int sensitivity, bool alt_down) const override;
std::vector<AudioMarker*> OnLeftClick(int ms, bool ctrl_down, bool alt_down, int sensitivity, int snap_range) override;
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std::vector<AudioMarker*> OnRightClick(int ms, bool, int sensitivity, int snap_range) override;
void OnMarkerDrag(std::vector<AudioMarker*> const& markers, int new_position, int snap_range) override;
// We have no warning messages currently, maybe add the old "Modified" message back later?
wxString GetWarningMessage() const override { return wxString(); }
TimeRange GetIdealVisibleTimeRange() const override { return active_line; }
TimeRange GetPrimaryPlaybackRange() const override { return active_line; }
TimeRange GetActiveLineRange() const override { return active_line; }
void Commit() override { DoCommit(true); }
/// Constructor
/// @param c Project context
AudioTimingControllerDialogue(agi::Context *c);
};
AudioTimingControllerDialogue::AudioTimingControllerDialogue(agi::Context *c)
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: active_line(AudioStyle_Primary, &style_left, &style_right)
, keyframes_provider(c, "Audio/Display/Draw/Keyframes in Dialogue Mode")
, video_position_provider(c)
, context(c)
, commit_connection(c->ass->AddCommitListener(&AudioTimingControllerDialogue::OnFileChanged, this))
, inactive_line_mode_connection(OPT_SUB("Audio/Inactive Lines Display Mode", &AudioTimingControllerDialogue::RegenerateInactiveLines, this))
, inactive_line_comment_connection(OPT_SUB("Audio/Display/Draw/Inactive Comments", &AudioTimingControllerDialogue::RegenerateInactiveLines, this))
, active_line_connection(c->selectionController->AddActiveLineListener(&AudioTimingControllerDialogue::Revert, this))
, selection_connection(c->selectionController->AddSelectionListener(&AudioTimingControllerDialogue::OnSelectedSetChanged, this))
{
keyframes_provider.AddMarkerMovedListener([=]{ AnnounceMarkerMoved(); });
video_position_provider.AddMarkerMovedListener([=]{ AnnounceMarkerMoved(); });
seconds_provider.AddMarkerMovedListener([=]{ AnnounceMarkerMoved(); });
Revert();
}
void AudioTimingControllerDialogue::GetMarkers(const TimeRange &range, AudioMarkerVector &out_markers) const
{
// The order matters here; later markers are painted on top of earlier
// markers, so the markers that we want to end up on top need to appear last
seconds_provider.GetMarkers(range, out_markers);
// Copy inactive line markers in the range
copy(
boost::lower_bound(markers, range.begin(), marker_ptr_cmp()),
boost::upper_bound(markers, range.end(), marker_ptr_cmp()),
back_inserter(out_markers));
keyframes_provider.GetMarkers(range, out_markers);
video_position_provider.GetMarkers(range, out_markers);
}
void AudioTimingControllerDialogue::OnSelectedSetChanged()
{
RegenerateSelectedLines();
RegenerateInactiveLines();
}
void AudioTimingControllerDialogue::OnFileChanged(int type) {
if (type & AssFile::COMMIT_DIAG_TIME)
Revert();
else if (type & AssFile::COMMIT_DIAG_ADDREM)
RegenerateInactiveLines();
}
void AudioTimingControllerDialogue::GetRenderingStyles(AudioRenderingStyleRanges &ranges) const
{
active_line.GetStyleRange(&ranges);
for (auto const& line : selected_lines)
line.GetStyleRange(&ranges);
for (auto const& line : inactive_lines)
line.GetStyleRange(&ranges);
}
void AudioTimingControllerDialogue::Next(NextMode mode)
{
if (mode == TIMING_UNIT)
{
context->selectionController->NextLine();
return;
}
int new_end_ms = *active_line.GetRightMarker();
cmd::call("grid/line/next/create", context);
if (mode == LINE_RESET_DEFAULT || active_line.GetLine()->End == 0) {
const int default_duration = OPT_GET("Timing/Default Duration")->GetInt();
// Setting right first here so that they don't get switched and the
// same marker gets set twice
active_line.GetRightMarker()->SetPosition(new_end_ms + default_duration);
active_line.GetLeftMarker()->SetPosition(new_end_ms);
boost::sort(markers, marker_ptr_cmp());
modified_lines.insert(&active_line);
UpdateSelection();
}
}
void AudioTimingControllerDialogue::Prev()
{
context->selectionController->PrevLine();
}
void AudioTimingControllerDialogue::DoCommit(bool user_triggered)
{
// Store back new times
if (modified_lines.size())
{
for (auto line : modified_lines)
line->Apply();
commit_connection.Block();
if (user_triggered)
{
context->ass->Commit(_("timing"), AssFile::COMMIT_DIAG_TIME);
commit_id = -1; // never coalesce with a manually triggered commit
}
else
{
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AssDialogue *amend = modified_lines.size() == 1 ? (*modified_lines.begin())->GetLine() : nullptr;
commit_id = context->ass->Commit(_("timing"), AssFile::COMMIT_DIAG_TIME, commit_id, amend);
}
commit_connection.Unblock();
modified_lines.clear();
}
}
void AudioTimingControllerDialogue::Revert()
{
commit_id = -1;
if (AssDialogue *line = context->selectionController->GetActiveLine())
{
modified_lines.clear();
if (active_line.SetLine(line))
{
AnnounceUpdatedPrimaryRange();
if (inactive_line_mode->GetInt() == 0)
AnnounceUpdatedStyleRanges();
}
else
{
modified_lines.insert(&active_line);
}
}
RegenerateInactiveLines();
RegenerateSelectedLines();
}
void AudioTimingControllerDialogue::AddLeadIn()
{
DialogueTimingMarker *m = active_line.GetLeftMarker();
SetMarkers({ m }, *m - OPT_GET("Audio/Lead/IN")->GetInt(), 0);
}
void AudioTimingControllerDialogue::AddLeadOut()
{
DialogueTimingMarker *m = active_line.GetRightMarker();
SetMarkers({ m }, *m + OPT_GET("Audio/Lead/OUT")->GetInt(), 0);
}
void AudioTimingControllerDialogue::ModifyLength(int delta, bool) {
DialogueTimingMarker *m = active_line.GetRightMarker();
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SetMarkers({ m },
std::max<int>(*m + delta * 10, *active_line.GetLeftMarker()), 0);
}
void AudioTimingControllerDialogue::ModifyStart(int delta) {
DialogueTimingMarker *m = active_line.GetLeftMarker();
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SetMarkers({ m },
std::min<int>(*m + delta * 10, *active_line.GetRightMarker()), 0);
}
bool AudioTimingControllerDialogue::IsNearbyMarker(int ms, int sensitivity, bool alt_down) const
{
assert(sensitivity >= 0);
return alt_down || active_line.ContainsMarker(TimeRange(ms-sensitivity, ms+sensitivity));
}
std::vector<AudioMarker*> AudioTimingControllerDialogue::OnLeftClick(int ms, bool ctrl_down, bool alt_down, int sensitivity, int snap_range)
{
assert(sensitivity >= 0);
assert(snap_range >= 0);
std::vector<AudioMarker*> ret;
clicked_ms = INT_MIN;
if (alt_down)
{
clicked_ms = ms;
active_line.GetMarkers(&ret);
for (auto const& line : selected_lines)
line.GetMarkers(&ret);
return ret;
}
DialogueTimingMarker *left = active_line.GetLeftMarker();
DialogueTimingMarker *right = active_line.GetRightMarker();
int dist_l = tabs(*left - ms);
int dist_r = tabs(*right - ms);
if (dist_l > sensitivity && dist_r > sensitivity)
{
// Clicked far from either marker:
// Insta-set the left marker to the clicked position and return the
// right as the dragged one, such that if the user does start dragging,
// he will create a new selection from scratch
std::vector<AudioMarker*> jump = GetLeftMarkers();
ret = drag_timing->GetBool() ? GetRightMarkers() : jump;
// Get ret before setting as setting may swap left/right
SetMarkers(jump, ms, snap_range);
return ret;
}
DialogueTimingMarker *clicked = dist_l <= dist_r ? left : right;
if (ctrl_down)
{
// The use of GetPosition here is important, as otherwise it'll start
// after lines ending at the same time as the active line begins
auto it = boost::lower_bound(markers, clicked->GetPosition(), marker_ptr_cmp());
for (; it != markers.end() && !(*clicked < **it); ++it)
ret.push_back(*it);
}
else
ret.push_back(clicked);
// Left-click within drag range should still move the left marker to the
// clicked position, but not the right marker
if (clicked == left)
SetMarkers(ret, ms, snap_range);
return ret;
}
std::vector<AudioMarker*> AudioTimingControllerDialogue::OnRightClick(int ms, bool, int sensitivity, int snap_range)
{
clicked_ms = INT_MIN;
std::vector<AudioMarker*> ret = GetRightMarkers();
SetMarkers(ret, ms, snap_range);
return ret;
}
void AudioTimingControllerDialogue::OnMarkerDrag(std::vector<AudioMarker*> const& markers, int new_position, int snap_range)
{
SetMarkers(markers, new_position, snap_range);
}
void AudioTimingControllerDialogue::UpdateSelection()
{
AnnounceUpdatedPrimaryRange();
AnnounceUpdatedStyleRanges();
}
void AudioTimingControllerDialogue::SetMarkers(std::vector<AudioMarker*> const& upd_markers, int ms, int snap_range)
{
if (upd_markers.empty()) return;
int shift = clicked_ms != INT_MIN ? ms - clicked_ms : 0;
if (shift) clicked_ms = ms;
// Since we're moving markers, the sorted list of markers will need to be
// resorted. To avoid resorting the entire thing, find the subrange that
// is effected.
int min_ms = ms;
int max_ms = ms;
for (AudioMarker *upd_marker : upd_markers)
{
auto marker = static_cast<DialogueTimingMarker*>(upd_marker);
if (shift < 0) {
min_ms = std::min<int>(*marker + shift, min_ms);
max_ms = std::max<int>(*marker, max_ms);
}
else {
min_ms = std::min<int>(*marker, min_ms);
max_ms = std::max<int>(*marker + shift, max_ms);
}
}
auto begin = boost::lower_bound(markers, min_ms, marker_ptr_cmp());
auto end = upper_bound(begin, markers.end(), max_ms, marker_ptr_cmp());
// Update the markers
for (auto upd_marker : upd_markers)
{
auto marker = static_cast<DialogueTimingMarker*>(upd_marker);
marker->SetPosition(clicked_ms != INT_MIN ? *marker + shift : ms);
modified_lines.insert(marker->GetLine());
}
int snap = SnapMarkers(snap_range, upd_markers);
if (clicked_ms != INT_MIN)
clicked_ms += snap;
// Resort the range
sort(begin, end, marker_ptr_cmp());
if (auto_commit->GetBool()) DoCommit(false);
UpdateSelection();
AnnounceMarkerMoved();
}
void AudioTimingControllerDialogue::RegenerateInactiveLines()
{
using pred = bool(*)(AssDialogue const&);
auto predicate = inactive_line_comments->GetBool()
? static_cast<pred>([](AssDialogue const&) { return true; })
: static_cast<pred>([](AssDialogue const& d) { return !d.Comment; });
bool was_empty = inactive_lines.empty();
inactive_lines.clear();
auto const& sel = context->selectionController->GetSelectedSet();
switch (int mode = inactive_line_mode->GetInt())
{
case 1: // Previous line only
case 2: // Previous and next lines
if (AssDialogue *line = context->selectionController->GetActiveLine())
{
auto current_line = context->ass->iterator_to(*line);
if (current_line == context->ass->Events.end())
break;
if (current_line != context->ass->Events.begin())
{
auto prev = current_line;
while (--prev != context->ass->Events.begin() && !predicate(*prev)) ;
if (predicate(*prev))
AddInactiveLine(sel, &*prev);
}
if (mode == 2)
{
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auto next = std::find_if(++current_line, context->ass->Events.end(), predicate);
if (next != context->ass->Events.end())
AddInactiveLine(sel, &*next);
}
}
break;
case 3: // All inactive lines
{
AssDialogue *active_line = context->selectionController->GetActiveLine();
for (auto& line : context->ass->Events)
{
if (&line != active_line && predicate(line))
AddInactiveLine(sel, &line);
}
break;
}
default:
if (was_empty)
{
RegenerateMarkers();
return;
}
}
AnnounceUpdatedStyleRanges();
RegenerateMarkers();
}
void AudioTimingControllerDialogue::AddInactiveLine(Selection const& sel, AssDialogue *diag)
{
if (sel.count(diag)) return;
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inactive_lines.emplace_back(AudioStyle_Inactive, &style_inactive, &style_inactive);
inactive_lines.back().SetLine(diag);
}
void AudioTimingControllerDialogue::RegenerateSelectedLines()
{
bool was_empty = selected_lines.empty();
selected_lines.clear();
AssDialogue *active = context->selectionController->GetActiveLine();
for (auto line : context->selectionController->GetSelectedSet())
{
if (line == active) continue;
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selected_lines.emplace_back(AudioStyle_Selected, &style_inactive, &style_inactive);
selected_lines.back().SetLine(line);
}
if (!selected_lines.empty() || !was_empty)
{
AnnounceUpdatedStyleRanges();
RegenerateMarkers();
}
}
void AudioTimingControllerDialogue::RegenerateMarkers()
{
markers.clear();
active_line.GetMarkers(&markers);
for (auto const& line : selected_lines)
line.GetMarkers(&markers);
for (auto const& line : inactive_lines)
line.GetMarkers(&markers);
boost::sort(markers, marker_ptr_cmp());
AnnounceMarkerMoved();
}
std::vector<AudioMarker*> AudioTimingControllerDialogue::GetLeftMarkers()
{
std::vector<AudioMarker*> ret;
ret.reserve(selected_lines.size() + 1);
ret.push_back(active_line.GetLeftMarker());
for (auto& line : selected_lines)
ret.push_back(line.GetLeftMarker());
return ret;
}
std::vector<AudioMarker*> AudioTimingControllerDialogue::GetRightMarkers()
{
std::vector<AudioMarker*> ret;
ret.reserve(selected_lines.size() + 1);
ret.push_back(active_line.GetRightMarker());
for (auto& line : selected_lines)
ret.push_back(line.GetRightMarker());
return ret;
}
int AudioTimingControllerDialogue::SnapMarkers(int snap_range, std::vector<AudioMarker*> const& active) const
{
if (snap_range <= 0 || active.empty()) return 0;
auto marker_range = [&] {
int front = active.front()->GetPosition();
int min = front;
int max = front;
for (auto m : active)
{
auto pos = m->GetPosition();
if (pos < min) min = pos;
if (pos > max) max = pos;
}
return TimeRange{min - snap_range, max + snap_range};
}();
std::vector<int> inactive_markers;
inactive_markers.reserve(inactive_lines.size() * 2 + selected_lines.size() * 2 + 2 - active.size());
// Add a marker to the set to check for snaps if it's in the right time
// range, isn't at the same place as a marker already in the set, and isn't
// one of the markers being moved
auto add_inactive = [&](const DialogueTimingMarker *m, bool check)
{
if (!marker_range.contains(*m)) return;
if (!inactive_markers.empty() && inactive_markers.back() == *m) return;
if (check && boost::find(active, m) != end(active)) return;
inactive_markers.push_back(*m);
};
bool moving_entire_selection = clicked_ms != INT_MIN;
for (auto const& line : inactive_lines)
{
// If we're alt-dragging the entire selection, there can't be any
// markers from inactive lines in the active set, so no need to check
// for them
add_inactive(line.GetLeftMarker(), !moving_entire_selection);
add_inactive(line.GetRightMarker(), !moving_entire_selection);
}
// And similarly, there can't be any inactive markers from selected lines
if (!moving_entire_selection)
{
for (auto const& line : selected_lines)
{
add_inactive(line.GetLeftMarker(), true);
add_inactive(line.GetRightMarker(), true);
}
add_inactive(active_line.GetLeftMarker(), true);
add_inactive(active_line.GetRightMarker(), true);
}
int snap_distance = INT_MAX;
auto check = [&](int marker, int pos)
{
auto dist = marker - pos;
if (tabs(dist) < tabs(snap_distance))
snap_distance = dist;
};
int prev = -1;
AudioMarkerVector snap_markers;
for (const auto active_marker : active)
{
auto pos = active_marker->GetPosition();
if (pos == prev) continue;
snap_markers.clear();
TimeRange range(pos - snap_range, pos + snap_range);
keyframes_provider.GetMarkers(range, snap_markers);
video_position_provider.GetMarkers(range, snap_markers);
for (const auto marker : snap_markers)
{
check(marker->GetPosition(), pos);
if (snap_distance == 0) return 0;
}
for (auto it = boost::lower_bound(inactive_markers, range.begin()); it != end(inactive_markers); ++it)
{
check(*it, pos);
if (snap_distance == 0) return 0;
if (*it > pos) break;
}
}
if (tabs(snap_distance) > snap_range)
return 0;
for (auto m : active)
static_cast<DialogueTimingMarker *>(m)->SetPosition(m->GetPosition() + snap_distance);
return snap_distance;
}
} // namespace {
std::unique_ptr<AudioTimingController> CreateDialogueTimingController(agi::Context *c)
{
return agi::make_unique<AudioTimingControllerDialogue>(c);
}