Files
oak-editor/app/widget/timelinewidget/tool/trackselect.cpp
T
2026-01-05 16:22:26 +08:00

99 lines
2.6 KiB
C++

/*
* Oak Video Editor - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE Team
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "trackselect.h"
#include "node/block/gap/gap.h"
#include "node/output/track/track.h"
#include "widget/timelinewidget/timelinewidget.h"
namespace olive
{
TrackSelectTool::TrackSelectTool(TimelineWidget *parent)
: PointerTool(parent)
{
}
void TrackSelectTool::MousePress(TimelineViewMouseEvent *event)
{
QVector<Block *> blocks;
bool forward = !(event->GetModifiers() & Qt::ControlModifier);
parent()->DeselectAll();
if (event->GetModifiers() & Qt::ShiftModifier) {
// Track only
Track *track = parent()->GetTrackFromReference(event->GetTrack());
if (track) {
SelectBlocksOnTrack(track, event, &blocks, forward);
}
} else {
// All tracks
foreach (Track *track, parent()->sequence()->GetTracks()) {
SelectBlocksOnTrack(track, event, &blocks, forward);
}
}
if (!blocks.isEmpty()) {
parent()->SignalSelectedBlocks(blocks);
set_drag_movement_mode(Timeline::kMove);
SetClickedItem(blocks.first());
drag_start_ = event->GetCoordinates();
} else {
set_drag_movement_mode(Timeline::kNone);
}
}
void TrackSelectTool::SelectBlocksOnTrack(Track *track,
TimelineViewMouseEvent *event,
QVector<Block *> *blocks,
bool forward)
{
Block *b = track->NearestBlockBeforeOrAt(event->GetFrame());
if (!b && !track->Blocks().isEmpty() && !forward) {
// Fallback to first or last block in track
b = track->Blocks().last();
}
while (b) {
if (!dynamic_cast<GapBlock *>(b)) {
if (!blocks->contains(b)) {
parent()->AddSelection(b);
blocks->append(b);
}
if (!(event->GetModifiers() & Qt::AltModifier)) {
if (ClipBlock *clip = dynamic_cast<ClipBlock *>(b)) {
foreach (Block *link, clip->block_links()) {
if (!blocks->contains(link)) {
parent()->AddSelection(link);
blocks->append(link);
}
}
}
}
}
b = forward ? b->next() : b->previous();
}
}
}