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implemented basic trimming

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This commit is contained in:
itsmattkc
2019-08-22 13:06:21 +10:00
parent 0ede7bd319
commit 51a441bc29
7 changed files with 118 additions and 21 deletions
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app/widget/timelineview/tool/pointer.cpp
+52 -3
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@@ -20,6 +20,8 @@
#include "widget/timelineview/timelineview.h"
#include <QDebug>
#include "node/block/gap/gap.h"
TimelineView::PointerTool::PointerTool(TimelineView *parent) :
@@ -57,8 +59,20 @@ void TimelineView::PointerTool::MouseMove(QMouseEvent *event)
drag_start_ = GetScenePos(event->pos());
track_start_ = parent()->SceneToTrack(drag_start_.y());
TimelineViewRect* clicked_item = static_cast<TimelineViewRect*>(GetItemAtScenePos(drag_start_));
// Let's see if there's anything selected to drag
if (GetItemAtScenePos(drag_start_) != nullptr) {
if (clicked_item != nullptr) {
TimelineViewGhostItem::Mode trim_mode;
if (drag_start_.x() < clicked_item->x() + clicked_item->rect().left() + 20) {
trim_mode = TimelineViewGhostItem::kTrimIn;
} else if (drag_start_.x() > clicked_item->x() + clicked_item->rect().right() - 20) {
trim_mode = TimelineViewGhostItem::kTrimOut;
} else {
trim_mode = TimelineViewGhostItem::kMove;
}
QList<QGraphicsItem*> selected_items = parent()->scene_.selectedItems();
foreach (QGraphicsItem* item, selected_items) {
@@ -67,6 +81,18 @@ void TimelineView::PointerTool::MouseMove(QMouseEvent *event)
ghost->SetScale(parent()->scale_);
/*
// Determine correct mode for ghost
if (trim_mode == TimelineViewGhostItem::kMove) {
// Movement is indiscriminate, all the ghosts can be set to this
ghost->SetMode(TimelineViewGhostItem::kMove);
} else {
}
*/
// FIXME: Determine correct modes
ghost->SetMode(trim_mode);
parent()->ghost_items_.append(ghost);
parent()->scene_.addItem(ghost);
}
@@ -90,8 +116,20 @@ void TimelineView::PointerTool::MouseMove(QMouseEvent *event)
// Perform movement
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
ghost->SetInAdjustment(time_movement);
ghost->SetOutAdjustment(time_movement);
switch (ghost->mode()) {
case TimelineViewGhostItem::kNone:
break;
case TimelineViewGhostItem::kTrimIn:
ghost->SetInAdjustment(time_movement);
break;
case TimelineViewGhostItem::kTrimOut:
ghost->SetOutAdjustment(time_movement);
break;
case TimelineViewGhostItem::kMove:
ghost->SetInAdjustment(time_movement);
ghost->SetOutAdjustment(time_movement);
break;
}
ghost->SetTrackAdjustment(track_movement);
int track = ghost->GetAdjustedTrack();
@@ -123,6 +161,17 @@ void TimelineView::PointerTool::MouseRelease(QMouseEvent *event)
foreach (TimelineViewGhostItem* ghost, parent()->ghost_items_) {
Block* b = Node::ValueToPtr<Block>(ghost->data());
if (ghost->mode() == TimelineViewGhostItem::kTrimIn || ghost->mode() == TimelineViewGhostItem::kTrimOut) {
// If we were trimming, we'll need to change the length
// If we were trimming the in point, we'll need to adjust the media in too
if (ghost->mode() == TimelineViewGhostItem::kTrimIn) {
b->set_media_in(b->media_in() + ghost->InAdjustment());
}
b->set_length(ghost->AdjustedLength());
}
emit parent()->RequestPlaceBlock(b, ghost->GetAdjustedIn(), ghost->GetAdjustedTrack());
}