150 lines
3.9 KiB
C++
150 lines
3.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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Modifications Copyright (C) 2025 mikesolar
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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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{
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class PointerTool : public TimelineTool {
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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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Qt::KeyboardModifiers modifiers);
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TimelineViewGhostItem *GetExistingGhostFromBlock(Block *block);
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TimelineViewGhostItem *AddGhostFromBlock(Block *block,
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Timeline::MovementMode mode,
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bool check_if_exists = false);
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TimelineViewGhostItem *AddGhostFromNull(const rational &in,
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const rational &out,
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const Track::Reference &track,
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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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Qt::KeyboardModifiers modifiers,
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bool dont_roll_trims, bool allow_nongap_rolling,
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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 set_drag_movement_mode(const Timeline::MovementMode &d)
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{
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drag_movement_mode_ = d;
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}
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static bool CanTransitionMove(TransitionBlock *transit,
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const QVector<Block *> &clips);
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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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void SetClickedItem(Block *b)
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{
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clicked_item_ = b;
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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,
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Timeline::MovementMode mode);
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bool IsClipTrimmable(Block *clip, 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 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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