timeline: moved tools to separate files

Code cleanup, TimelineWidget header was getting a little too bloated.
2020-10-02 22:02:18 +10:00
parent 0508acc613
commit dd3d11c7e0
33 changed files with 1103 additions and 602 deletions
@@ -0,0 +1,127 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive 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/>.
+
+***/
+
+#ifndef POINTERTIMELINETOOL_H
+#define POINTERTIMELINETOOL_H
+
+#include "tool.h"
+
+OLIVE_NAMESPACE_ENTER
+
+class PointerTool : public TimelineTool
+{
+public:
+  PointerTool(TimelineWidget* parent);
+
+  virtual void MousePress(TimelineViewMouseEvent *event) override;
+  virtual void MouseMove(TimelineViewMouseEvent *event) override;
+  virtual void MouseRelease(TimelineViewMouseEvent *event) override;
+
+  virtual void HoverMove(TimelineViewMouseEvent *event) override;
+
+protected:
+  virtual void FinishDrag(TimelineViewMouseEvent *event);
+
+  virtual void InitiateDrag(TimelineViewBlockItem* clicked_item,
+                            Timeline::MovementMode trim_mode);
+
+  TimelineViewGhostItem* AddGhostFromBlock(Block *block, const TrackReference& track, Timeline::MovementMode mode, bool check_if_exists = false);
+
+  TimelineViewGhostItem* AddGhostFromNull(const rational& in, const rational& out, const TrackReference& track, Timeline::MovementMode mode);
+
+  /**
+   * @brief Validates Ghosts that are getting their in points trimmed
+   *
+   * Assumes ghost->data() is a Block. Ensures no Ghost's in point becomes a negative timecode. Also ensures no
+   * Ghost's length becomes 0 or negative.
+   */
+  rational ValidateInTrimming(rational movement);
+
+  /**
+   * @brief Validates Ghosts that are getting their out points trimmed
+   *
+   * Assumes ghost->data() is a Block. Ensures no Ghost's in point becomes a negative timecode. Also ensures no
+   * Ghost's length becomes 0 or negative.
+   */
+  rational ValidateOutTrimming(rational movement);
+
+  virtual void ProcessDrag(const TimelineCoordinate &mouse_pos);
+
+  void InitiateDragInternal(TimelineViewBlockItem* clicked_item,
+                            Timeline::MovementMode trim_mode,
+                            bool dont_roll_trims,
+                            bool allow_nongap_rolling, bool slide_instead_of_moving);
+
+  const Timeline::MovementMode& drag_movement_mode() const
+  {
+    return drag_movement_mode_;
+  }
+
+  void SetMovementAllowed(bool e)
+  {
+    movement_allowed_ = e;
+  }
+
+  void SetTrimmingAllowed(bool e)
+  {
+    trimming_allowed_ = e;
+  }
+
+  void SetTrackMovementAllowed(bool e)
+  {
+    track_movement_allowed_ = e;
+  }
+
+  void SetGapTrimmingAllowed(bool e)
+  {
+    gap_trimming_allowed_ = e;
+  }
+
+private:
+  Timeline::MovementMode IsCursorInTrimHandle(TimelineViewBlockItem* block, qreal cursor_x);
+
+  void AddGhostInternal(TimelineViewGhostItem* ghost, Timeline::MovementMode mode);
+
+  bool IsClipTrimmable(TimelineViewBlockItem* clip,
+                       const QList<TimelineViewBlockItem*>& items,
+                       const Timeline::MovementMode& mode);
+
+  void ProcessGhostsForSliding();
+
+  void ProcessGhostsForRolling();
+
+  bool AddMovingTransitionsToClipGhost(Block *block, const TrackReference &track, Timeline::MovementMode movement, const QList<TimelineViewBlockItem *> &selected_items);
+
+  bool movement_allowed_;
+  bool trimming_allowed_;
+  bool track_movement_allowed_;
+  bool gap_trimming_allowed_;
+  bool rubberband_selecting_;
+
+  Timeline::TrackType drag_track_type_;
+  Timeline::MovementMode drag_movement_mode_;
+
+  TimelineViewBlockItem* clicked_item_;
+
+};
+
+OLIVE_NAMESPACE_EXIT
+
+#endif // POINTERTIMELINETOOL_H