98090e0400
A lot of this is very messy and I keep running into the same weird edge-cases, so hopefully more documentation will help for the time being, until I can rework the entire selection system in 5.0.
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/* SPDX-FileCopyrightText: 2009 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup editors
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*/
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#pragma once
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#include "BLI_vector_set.hh"
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struct Scene;
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struct Strip;
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struct SpaceSeq;
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struct bContext;
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struct View2D;
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namespace blender::ed::vse {
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enum eStripHandle {
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STRIP_HANDLE_NONE,
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STRIP_HANDLE_LEFT,
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STRIP_HANDLE_RIGHT,
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};
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struct StripSelection {
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/** Closest strip in the selection to the mouse cursor. */
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Strip *strip1 = nullptr;
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/** Farthest strip in the selection from the mouse cursor. */
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Strip *strip2 = nullptr;
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/** Handle of `strip1`. */
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eStripHandle handle = STRIP_HANDLE_NONE;
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};
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void select_strip_single(Scene *scene, Strip *strip, bool deselect_all);
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/**
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* Iterates over a scene's strips and deselects all of them.
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*
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* \param scene: scene containing strips to be deselected.
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* \return true if any strips were deselected; false otherwise.
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*/
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bool deselect_all_strips(const Scene *scene);
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bool maskedit_mask_poll(bContext *C);
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bool check_show_maskedit(SpaceSeq *sseq, Scene *scene);
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bool maskedit_poll(bContext *C);
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/**
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* Are we displaying the seq output (not channels or histogram).
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*/
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bool check_show_imbuf(const SpaceSeq &sseq);
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bool check_show_strip(const SpaceSeq &sseq);
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/**
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* Check if there is animation shown during playback.
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*
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* - Colors of color strips are displayed on the strip itself.
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* - Backdrop is drawn.
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*/
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bool has_playback_animation(const Scene *scene);
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void ED_operatormacros_sequencer();
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Strip *special_preview_get();
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void special_preview_set(bContext *C, const int mval[2]);
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void special_preview_clear();
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bool sequencer_retiming_mode_is_active(const bContext *C);
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/**
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* Returns collection with selected strips presented to user. If operation is done in preview,
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* collection is limited to selected presented strips, that can produce image output at current
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* frame.
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*
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* \param C: context
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* \return collection of strips (`Strip`)
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*/
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blender::VectorSet<Strip *> selected_strips_from_context(bContext *C);
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StripSelection pick_strip_and_handle(const struct Scene *scene,
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const View2D *v2d,
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float mouse_co[2]);
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bool can_select_handle(const Scene *scene, const Strip *strip, const View2D *v2d);
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bool handle_is_selected(const Strip *strip, eStripHandle handle);
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} // namespace blender::ed::vse
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