258 lines
8.6 KiB
C++
258 lines
8.6 KiB
C++
#include "keyframeview.h"
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#include "effects/effect.h"
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#include "ui/collapsiblewidget.h"
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#include "panels/panels.h"
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#include "panels/effectcontrols.h"
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#include "project/clip.h"
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#include "panels/timeline.h"
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#include "ui/timelineheader.h"
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#include "project/undo.h"
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#include "panels/viewer.h"
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#include "ui/viewerwidget.h"
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#include "project/sequence.h"
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#include <QLabel>
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#include <QMouseEvent>
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#define KEYFRAME_SIZE 6
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#define KEYFRAME_POINT_COUNT 4
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long KeyframeView::adjust_row_keyframe(EffectRow* row, long time) {
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return time-row->parent_effect->parent_clip->clip_in+(row->parent_effect->parent_clip->timeline_in-visible_in);
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}
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KeyframeView::KeyframeView(QWidget *parent) : QWidget(parent), mousedown(false), dragging(false), keys_selected(false), select_rect(false), visible_in(0), visible_out(0) {
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setFocusPolicy(Qt::ClickFocus);
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setMouseTracking(true);
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}
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void KeyframeView::paintEvent(QPaintEvent*) {
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QPainter p(this);
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rowY.clear();
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rows.clear();
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long effects_in = LONG_MAX;
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long effects_out = 0;
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for (int j=0;j<panel_effect_controls->selected_clips.size();j++) {
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Clip* c = sequence->get_clip(panel_effect_controls->selected_clips.at(j));
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effects_in = qMin(effects_in, c->timeline_in);
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effects_out = qMax(effects_out, c->timeline_out);
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for (int i=0;i<c->effects.size();i++) {
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Effect* e = c->effects.at(i);
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if (e->container->is_expanded()) {
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for (int j=0;j<e->row_count();j++) {
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EffectRow* row = e->row(j);
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QLabel* label = row->label;
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QWidget* contents = e->container->contents;
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int keyframe_y = label->y() + (label->height()>>1) + mapFrom(panel_effect_controls, contents->mapTo(panel_effect_controls, contents->pos())).y() - e->container->title_bar->height();
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for (int k=0;k<row->keyframe_times.size();k++) {
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bool keyframe_selected = keyframeIsSelected(row, k);
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long keyframe_frame = adjust_row_keyframe(row, row->keyframe_times.at(k));
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if (dragging && keyframe_selected) keyframe_frame += frame_diff;
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draw_keyframe(p, getScreenPointFromFrame(panel_effect_controls->zoom, keyframe_frame), keyframe_y, keyframe_selected);
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}
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rows.append(row);
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rowY.append(keyframe_y);
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}
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}
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}
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}
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visible_in = effects_in;
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visible_out = effects_out;
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int width = getScreenPointFromFrame(panel_effect_controls->zoom, visible_out - visible_in);
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setMinimumWidth(width);
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header->setMinimumWidth(width);
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header->set_visible_in(effects_in);
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if (rowY.size() > 0) {
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int playhead_x = getScreenPointFromFrame(panel_effect_controls->zoom, panel_timeline->playhead-visible_in);
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p.setPen(Qt::red);
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p.drawLine(playhead_x, 0, playhead_x, height());
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}
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if (select_rect) {
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draw_selection_rectangle(p, QRect(rect_select_x, rect_select_y, rect_select_w, rect_select_h));
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}
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/*if (mouseover && mouseover_row < rowY.size()) {
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draw_keyframe(p, getScreenPointFromFrame(panel_effect_controls->zoom, mouseover_frame - visible_in), rowY.at(mouseover_row), true);
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}*/
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}
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bool KeyframeView::keyframeIsSelected(EffectRow *row, int keyframe) {
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for (int i=0;i<selected_rows.size();i++) {
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if (selected_rows.at(i) == row && selected_keyframes.at(i) == keyframe) {
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return true;
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}
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}
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return false;
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}
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void KeyframeView::delete_selected_keyframes() {
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KeyframeDelete* kd = new KeyframeDelete();
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bool del = false;
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for (int i=0;i<selected_keyframes.size();i++) {
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selected_rows.at(i)->delete_keyframe(kd, selected_keyframes.at(i));
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del = true;
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}
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if (del) {
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undo_stack.push(kd);
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selected_keyframes.clear();
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selected_rows.clear();
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update();
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panel_viewer->viewer_widget->update();
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} else {
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delete kd;
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}
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}
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void KeyframeView::draw_keyframe(QPainter &p, int x, int y, bool darker) {
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QPoint points[KEYFRAME_POINT_COUNT] = {QPoint(x-KEYFRAME_SIZE, y), QPoint(x, y-KEYFRAME_SIZE), QPoint(x+KEYFRAME_SIZE, y), QPoint(x, y+KEYFRAME_SIZE)};
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int color = (darker) ? 100 : 160;
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p.setPen(QColor(0, 0, 0));
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p.setBrush(QColor(color, color, color));
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p.drawPolygon(points, KEYFRAME_POINT_COUNT);
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}
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void KeyframeView::mousePressEvent(QMouseEvent *event) {
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int row_index = -1;
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int keyframe_index = -1;
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long frame_diff = 0;
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long frame_min = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x()-KEYFRAME_SIZE);
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drag_frame_start = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x());
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long frame_max = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x()+KEYFRAME_SIZE);
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for (int i=0;i<rowY.size();i++) {
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if (event->y() > rowY.at(i)-KEYFRAME_SIZE-KEYFRAME_SIZE && event->y() < rowY.at(i)+KEYFRAME_SIZE+KEYFRAME_SIZE) {
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EffectRow* row = rows.at(i);
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for (int j=0;j<row->keyframe_times.size();j++) {
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long eval_keyframe_time = row->keyframe_times.at(j)-row->parent_effect->parent_clip->clip_in+(row->parent_effect->parent_clip->timeline_in-visible_in);
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if (eval_keyframe_time >= frame_min && eval_keyframe_time <= frame_max) {
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long eval_frame_diff = qAbs(eval_keyframe_time - drag_frame_start);
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if (keyframe_index == -1 || eval_frame_diff < frame_diff) {
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row_index = i;
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keyframe_index = j;
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frame_diff = eval_frame_diff;
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}
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}
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}
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break;
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}
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}
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bool already_selected = false;
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keys_selected = false;
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if (keyframe_index > -1) already_selected = keyframeIsSelected(rows.at(row_index), keyframe_index);
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if (!already_selected) {
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if (!(event->modifiers() & Qt::ShiftModifier)) {
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selected_rows.clear();
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selected_keyframes.clear();
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}
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if (keyframe_index > -1) {
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selected_rows.append(rows.at(row_index));
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selected_keyframes.append(keyframe_index);
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}
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}
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if (selected_rows.size() > 0) {
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keys_selected = true;
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} else {
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rect_select_x = event->x();
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rect_select_y = event->y();
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}
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update();
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mousedown = true;
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}
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void KeyframeView::mouseMoveEvent(QMouseEvent* event) {
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/*unsetCursor();
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bool new_mo = false;
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for (int i=0;i<rowY.size();i++) {
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if (event->y() > rowY.at(i)-KEYFRAME_SIZE-KEYFRAME_SIZE && event->y() < rowY.at(i)+KEYFRAME_SIZE+KEYFRAME_SIZE) {
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setCursor(Qt::CrossCursor);
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mouseover_frame = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x()) + visible_in;
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mouseover_row = i;
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new_mo = true;
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break;
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}
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}
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if (new_mo || (new_mo != mouseover)) {
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update();
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}
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mouseover = new_mo;*/
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if (mousedown) {
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if (keys_selected) {
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frame_diff = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x()) - drag_frame_start;
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// validate frame_diff
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for (int i=0;i<selected_keyframes.size();i++) {
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EffectRow* row = selected_rows.at(i);
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long eval_key = row->keyframe_times.at(selected_keyframes.at(i));
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for (int j=0;j<row->keyframe_times.size();j++) {
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while (!keyframeIsSelected(row, j) && row->keyframe_times.at(j) == eval_key + frame_diff) {
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if (last_frame_diff > frame_diff) {
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frame_diff++;
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} else {
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frame_diff--;
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}
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}
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}
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}
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last_frame_diff = frame_diff;
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dragging = true;
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} else {
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rect_select_w = event->x() - rect_select_x;
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rect_select_h = event->y() - rect_select_y;
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int min_row = qMin(rect_select_y, event->y())-KEYFRAME_SIZE;
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int max_row = qMax(rect_select_y, event->y())+KEYFRAME_SIZE;
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long frame_start = getFrameFromScreenPoint(panel_effect_controls->zoom, rect_select_x);
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long frame_end = getFrameFromScreenPoint(panel_effect_controls->zoom, event->x());
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long min_frame = qMin(frame_start, frame_end)-KEYFRAME_SIZE;
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long max_frame = qMax(frame_start, frame_end)+KEYFRAME_SIZE;
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for (int i=0;i<rowY.size();i++) {
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if (rowY.at(i) >= min_row && rowY.at(i) <= max_row) {
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EffectRow* row = rows.at(i);
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for (int j=0;j<row->keyframe_times.size();j++) {
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long keyframe_frame = adjust_row_keyframe(row, row->keyframe_times.at(j));
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if (!keyframeIsSelected(row, j) && keyframe_frame >= min_frame && keyframe_frame <= max_frame) {
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selected_rows.append(rows.at(i));
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selected_keyframes.append(j);
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}
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}
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}
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}
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select_rect = true;
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}
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update();
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}
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}
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void KeyframeView::mouseReleaseEvent(QMouseEvent*) {
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if (dragging && frame_diff != 0) {
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KeyframeMove* ka = new KeyframeMove();
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ka->movement = frame_diff;
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ka->keyframes = selected_keyframes;
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ka->rows = selected_rows;
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undo_stack.push(ka);
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}
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select_rect = false;
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dragging = false;
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mousedown = false;
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update();
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}
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