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better transition handling

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This commit is contained in:
itsmattkc
2018-08-08 16:01:59 +10:00
parent 34ae182614
commit afe87b97e5
4 changed files with 93 additions and 47 deletions
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ui/timelinewidget.cpp
+45 -21
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@@ -586,17 +586,44 @@ void TimelineWidget::mouseReleaseEvent(QMouseEvent *event) {
} else {
Clip* c = sequence->get_clip(g.clip);
bool is_opening_transition = (g.transition == c->opening_transition);
long new_transition_length = g.out - g.in;
ta->modify_transition(
sequence,
g.clip,
is_opening_transition ? TA_OPENING_TRANSITION : TA_CLOSING_TRANSITION,
g.out - g.in
new_transition_length
);
if (is_opening_transition && g.in != g.old_in) {
ta->increase_timeline_in(sequence, g.clip, g.in - g.old_in);
ta->increase_clip_in(sequence, g.clip, g.clip_in - g.old_clip_in);
} else if (!is_opening_transition && g.out != g.old_out) {
ta->increase_timeline_out(sequence, g.clip, g.out - g.old_out);
long clip_length = c->getLength();
if (is_opening_transition) {
if (g.in != g.old_in) {
// if transition is going to make the clip bigger, make the clip bigger
ta->increase_timeline_in(sequence, g.clip, g.in - g.old_in);
clip_length -= (g.in - g.old_in);
ta->increase_clip_in(sequence, g.clip, g.clip_in - g.old_clip_in);
}
if (c->closing_transition != NULL) {
if (new_transition_length == clip_length) {
ta->delete_transition(sequence, g.clip, TA_CLOSING_TRANSITION);
} else if (new_transition_length > clip_length - c->closing_transition->length) {
ta->modify_transition(sequence, g.clip, TA_CLOSING_TRANSITION, clip_length - new_transition_length);
}
}
} else {
if (g.out != g.old_out) {
// if transition is going to make the clip bigger, make the clip bigger
ta->increase_timeline_out(sequence, g.clip, g.out - g.old_out);
clip_length += (g.out - g.old_out);
}
if (c->opening_transition != NULL) {
if (new_transition_length == clip_length) {
ta->delete_transition(sequence, g.clip, TA_OPENING_TRANSITION);
} else if (new_transition_length > clip_length - c->opening_transition->length) {
ta->modify_transition(sequence, g.clip, TA_OPENING_TRANSITION, clip_length - new_transition_length);
}
}
}
}
}
@@ -783,7 +810,7 @@ void validate_snapping(const Ghost& g, long* frame_diff) {
void TimelineWidget::update_ghosts(QPoint& mouse_pos) {
int mouse_track = getTrackFromScreenPoint(mouse_pos.y());
long frame_diff = panel_timeline->getFrameFromScreenPoint(mouse_pos.x()) - panel_timeline->drag_frame_start;
int track_diff = (panel_timeline->tool == TIMELINE_TOOL_SLIDE) ? 0 : mouse_track - panel_timeline->drag_track_start;
int track_diff = (panel_timeline->tool == TIMELINE_TOOL_SLIDE || panel_timeline->transition_select != TA_NO_TRANSITION) ? 0 : mouse_track - panel_timeline->drag_track_start;
long validator;
// first try to snap
@@ -945,7 +972,7 @@ void TimelineWidget::update_ghosts(QPoint& mouse_pos) {
g.track += abs_track_diff;
}
}
} else if (same_sign(g.old_track, panel_timeline->drag_track_start) && panel_timeline->transition_select == TA_NO_TRANSITION) {
} else if (same_sign(g.old_track, panel_timeline->drag_track_start)) {
g.track += track_diff;
}
}
@@ -967,17 +994,16 @@ void TimelineWidget::update_ghosts(QPoint& mouse_pos) {
s.in = s.old_in + frame_diff;
s.out = s.old_out + frame_diff;
s.track = s.old_track;
if (panel_timeline->transition_select == TA_NO_TRANSITION) {
if (panel_timeline->importing) {
int abs_track_diff = abs(track_diff);
if (s.old_track < 0) {
s.track -= abs_track_diff;
} else {
s.track += abs_track_diff;
}
if (panel_timeline->importing) {
int abs_track_diff = abs(track_diff);
if (s.old_track < 0) {
s.track -= abs_track_diff;
} else {
if (same_sign(s.track, panel_timeline->drag_track_start)) s.track += track_diff;
s.track += abs_track_diff;
}
} else {
if (same_sign(s.track, panel_timeline->drag_track_start)) s.track += track_diff;
}
}
}
@@ -992,8 +1018,6 @@ void TimelineWidget::mouseMoveEvent(QMouseEvent *event) {
panel_timeline->cursor_frame = panel_timeline->getFrameFromScreenPoint(event->pos().x());
panel_timeline->cursor_track = getTrackFromScreenPoint(event->pos().y());
if (panel_timeline->tool == TIMELINE_TOOL_EDIT || panel_timeline->tool == TIMELINE_TOOL_RAZOR) {
panel_timeline->snap_to_clip(&panel_timeline->cursor_frame, !config.edit_tool_also_seeks || !panel_timeline->selecting);
}
@@ -1389,7 +1413,7 @@ void TimelineWidget::mouseMoveEvent(QMouseEvent *event) {
long transition_point = c->timeline_in + c->opening_transition->length;
if (transition_point > mouse_frame_lower && transition_point < mouse_frame_upper) {
int nc = qAbs(transition_point + 1 - panel_timeline->cursor_frame);
int nc = qAbs(transition_point - 1 - panel_timeline->cursor_frame);
if (nc < closeness) {
panel_timeline->trim_target = i;
panel_timeline->trim_in_point = false;
@@ -1402,7 +1426,7 @@ void TimelineWidget::mouseMoveEvent(QMouseEvent *event) {
if (c->closing_transition != NULL) {
long transition_point = c->timeline_out - c->closing_transition->length;
if (transition_point > mouse_frame_lower && transition_point < mouse_frame_upper) {
int nc = qAbs(transition_point - 1 - panel_timeline->cursor_frame);
int nc = qAbs(transition_point + 1 - panel_timeline->cursor_frame);
if (nc < closeness) {
panel_timeline->trim_target = i;
panel_timeline->trim_in_point = true;