131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef POINTERTIMELINETOOL_H
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#define POINTERTIMELINETOOL_H
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#include "tool.h"
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namespace olive {
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class PointerTool : public TimelineTool
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{
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public:
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PointerTool(TimelineWidget* parent);
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virtual void MousePress(TimelineViewMouseEvent *event) override;
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virtual void MouseMove(TimelineViewMouseEvent *event) override;
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virtual void MouseRelease(TimelineViewMouseEvent *event) override;
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virtual void HoverMove(TimelineViewMouseEvent *event) override;
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protected:
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virtual void FinishDrag(TimelineViewMouseEvent *event);
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virtual void InitiateDrag(Block* clicked_item,
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Timeline::MovementMode trim_mode);
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TimelineViewGhostItem* AddGhostFromBlock(Block *block, Timeline::MovementMode mode, bool check_if_exists = false);
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TimelineViewGhostItem* AddGhostFromNull(const rational& in, const rational& out, const Track::Reference& track, Timeline::MovementMode mode);
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/**
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* @brief Validates Ghosts that are getting their in points trimmed
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*
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* Assumes ghost->data() is a Block. Ensures no Ghost's in point becomes a negative timecode. Also ensures no
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* Ghost's length becomes 0 or negative.
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*/
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rational ValidateInTrimming(rational movement);
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/**
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* @brief Validates Ghosts that are getting their out points trimmed
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*
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* Assumes ghost->data() is a Block. Ensures no Ghost's in point becomes a negative timecode. Also ensures no
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* Ghost's length becomes 0 or negative.
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*/
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rational ValidateOutTrimming(rational movement);
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virtual void ProcessDrag(const TimelineCoordinate &mouse_pos);
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void InitiateDragInternal(Block* clicked_item,
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Timeline::MovementMode trim_mode,
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bool dont_roll_trims,
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bool allow_nongap_rolling, bool slide_instead_of_moving);
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const Timeline::MovementMode& drag_movement_mode() const
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{
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return drag_movement_mode_;
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}
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void SetMovementAllowed(bool e)
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{
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movement_allowed_ = e;
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}
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void SetTrimmingAllowed(bool e)
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{
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trimming_allowed_ = e;
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}
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void SetTrackMovementAllowed(bool e)
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{
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track_movement_allowed_ = e;
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}
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void SetGapTrimmingAllowed(bool e)
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{
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gap_trimming_allowed_ = e;
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}
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private:
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Timeline::MovementMode IsCursorInTrimHandle(Block* block, qreal cursor_x);
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void AddGhostInternal(TimelineViewGhostItem* ghost, Timeline::MovementMode mode);
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bool IsClipTrimmable(Block* clip,
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const QVector<Block*> &items,
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const Timeline::MovementMode& mode);
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void ProcessGhostsForSliding();
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void ProcessGhostsForRolling();
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bool AddMovingTransitionsToClipGhost(Block *block, Timeline::MovementMode movement, const QVector<Block*> &selected_items);
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bool movement_allowed_;
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bool trimming_allowed_;
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bool track_movement_allowed_;
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bool gap_trimming_allowed_;
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bool can_rubberband_select_;
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bool rubberband_selecting_;
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Track::Type drag_track_type_;
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Timeline::MovementMode drag_movement_mode_;
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Block* clicked_item_;
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QPoint drag_global_start_;
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};
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}
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#endif // POINTERTIMELINETOOL_H
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