Aegisub/aegisub/src/visual_tool_drag.cpp

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// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file visual_tool_drag.cpp
/// @brief Position all visible subtitles by dragging visual typesetting tool
/// @ingroup visual_ts
#include "config.h"
#include "visual_tool_drag.h"
#ifndef AGI_PRE
#include <wx/bmpbuttn.h>
#include <wx/toolbar.h>
#endif
#include "ass_dialogue.h"
#include "ass_file.h"
#include "include/aegisub/context.h"
#include "libresrc/libresrc.h"
#include "main.h"
#include "utils.h"
#include "video_context.h"
static const DraggableFeatureType DRAG_ORIGIN = DRAG_BIG_TRIANGLE;
static const DraggableFeatureType DRAG_START = DRAG_BIG_SQUARE;
static const DraggableFeatureType DRAG_END = DRAG_BIG_CIRCLE;
#define ICON(name) (OPT_GET("App/Toolbar Icon Size")->GetInt() == 16 ? GETIMAGE(name ## _16) : GETIMAGE(name ## _24))
VisualToolDrag::VisualToolDrag(VideoDisplay *parent, agi::Context *context)
: VisualTool<VisualToolDragDraggableFeature>(parent, context)
, primary(0)
, button_is_move(true)
{
c->selectionController->GetSelectedSet(selection);
}
void VisualToolDrag::SetToolbar(wxToolBar *tb) {
toolbar = tb;
toolbar->AddTool(-1, _("Toggle between \\move and \\pos"), ICON(visual_move_conv_move));
toolbar->Realize();
toolbar->Show(true);
toolbar->Bind(wxEVT_COMMAND_TOOL_CLICKED, &VisualToolDrag::OnSubTool, this);
}
void VisualToolDrag::UpdateToggleButtons() {
bool to_move = true;
if (active_line) {
Vector2D p1, p2;
int t1, t2;
to_move = !GetLineMove(active_line, p1, p2, t1, t2);
}
if (to_move == button_is_move) return;
toolbar->SetToolNormalBitmap(toolbar->GetToolByPos(0)->GetId(),
to_move ? ICON(visual_move_conv_move) : ICON(visual_move_conv_pos));
button_is_move = to_move;
}
void VisualToolDrag::OnSubTool(wxCommandEvent &) {
// Toggle \move <-> \pos
VideoContext *vc = c->videoController;
for (Selection::const_iterator cur = selection.begin(); cur != selection.end(); ++cur) {
AssDialogue *line = *cur;
Vector2D p1, p2;
int t1, t2;
bool has_move = GetLineMove(line, p1, p2, t1, t2);
if (has_move)
SetOverride(line, "\\pos", p1.PStr());
else {
p1 = GetLinePosition(line);
// Round the start and end times to exact frames
int start = vc->TimeAtFrame(vc->FrameAtTime(line->Start, agi::vfr::START)) - line->Start;
int end = vc->TimeAtFrame(vc->FrameAtTime(line->Start, agi::vfr::END)) - line->Start;
SetOverride(line, "\\move", wxString::Format("(%s,%s,%d,%d)", p1.Str(), p1.Str(), start, end));
}
}
Commit();
OnFileChanged();
UpdateToggleButtons();
}
void VisualToolDrag::OnLineChanged() {
UpdateToggleButtons();
}
void VisualToolDrag::OnFileChanged() {
/// @todo it should be possible to preserve the selection in some cases
features.clear();
sel_features.clear();
primary = 0;
active_feature = features.end();
for (entryIter it = c->ass->Line.begin(); it != c->ass->Line.end(); ++it) {
AssDialogue *diag = dynamic_cast<AssDialogue*>(*it);
if (diag && IsDisplayed(diag))
MakeFeatures(diag);
}
UpdateToggleButtons();
}
void VisualToolDrag::OnFrameChanged() {
if (primary && !IsDisplayed(primary->line))
primary = 0;
feature_iterator feat = features.begin();
feature_iterator end = features.end();
for (entryIter it = c->ass->Line.begin(); it != c->ass->Line.end(); ++it) {
AssDialogue *diag = dynamic_cast<AssDialogue*>(*it);
if (!diag) continue;
if (IsDisplayed(diag)) {
// Features don't exist and should
if (feat == end || feat->line != diag)
MakeFeatures(diag, feat);
// Move past already existing features for the line
else
while (feat != end && feat->line == diag) ++feat;
}
else {
// Remove all features for this line (if any)
while (feat != end && feat->line == diag) {
if (feat == active_feature) active_feature = features.end();
feat->line = 0;
RemoveSelection(feat);
feat = features.erase(feat);
}
}
}
}
void VisualToolDrag::OnSelectedSetChanged(const Selection &added, const Selection &removed) {
c->selectionController->GetSelectedSet(selection);
for (feature_iterator it = features.begin(); it != features.end(); ++it) {
if (removed.count(it->line))
sel_features.erase(it);
else if (added.count(it->line) && it->type == DRAG_START)
sel_features.insert(it);
}
}
void VisualToolDrag::Draw() {
DrawAllFeatures();
// Draw connecting lines
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur) {
if (cur->type == DRAG_START) continue;
feature_iterator p2 = cur;
feature_iterator p1 = cur->parent;
// Move end marker has an arrow; origin doesn't
bool has_arrow = p2->type == DRAG_END;
int arrow_len = has_arrow ? 10 : 0;
// Don't show the connecting line if the features are very close
Vector2D direction = p2->pos - p1->pos;
if (direction.SquareLen() < (20 + arrow_len) * (20 + arrow_len)) continue;
direction = direction.Unit();
// Get the start and end points of the line
Vector2D start = p1->pos + direction * 10;
Vector2D end = p2->pos - direction * (10 + arrow_len);
if (has_arrow) {
gl.SetLineColour(colour[3], 0.8f, 2);
// Arrow line
gl.DrawLine(start, end);
// Arrow head
Vector2D t_half_base_w = Vector2D(-direction.Y(), direction.X()) * 4;
gl.DrawTriangle(end + direction * arrow_len, end + t_half_base_w, end - t_half_base_w);
}
// Draw dashed line
else {
gl.SetLineColour(colour[3], 0.5f, 2);
gl.DrawDashedLine(start, end, 6);
}
}
}
void VisualToolDrag::MakeFeatures(AssDialogue *diag) {
MakeFeatures(diag, features.end());
}
void VisualToolDrag::MakeFeatures(AssDialogue *diag, feature_iterator pos) {
Vector2D p1 = FromScriptCoords(GetLinePosition(diag));
// Create \pos feature
Feature feat;
feat.pos = p1;
feat.layer = 0;
feat.type = DRAG_START;
feat.time = 0;
feat.line = diag;
feat.parent = features.end();
features.insert(pos, feat);
feature_iterator cur = pos; --cur;
feat.parent = cur;
if (selection.count(diag))
sel_features.insert(cur);
Vector2D p2;
int t1, t2;
// Create move destination feature
if (GetLineMove(diag, p1, p2, t1, t2)) {
feat.pos = FromScriptCoords(p2);
feat.layer = 1;
feat.type = DRAG_END;
feat.parent->time = t1;
feat.time = t2;
feat.line = diag;
features.insert(pos, feat);
feat.parent->parent = --pos; ++pos;
}
// Create org feature
if (Vector2D org = GetLineOrigin(diag)) {
feat.pos = FromScriptCoords(org);
feat.layer = -1;
feat.type = DRAG_ORIGIN;
feat.time = 0;
feat.line = diag;
features.insert(pos, feat);
}
}
bool VisualToolDrag::InitializeDrag(feature_iterator feature) {
primary = &*feature;
// Set time of clicked feature to the current frame and shift all other
// selected features by the same amount
if (feature->type != DRAG_ORIGIN) {
int time = c->videoController->TimeAtFrame(frame_number) - feature->line->Start;
int change = time - feature->time;
for (sel_iterator cur = sel_features.begin(); cur != sel_features.end(); ++cur) {
(*cur)->time += change;
}
}
return true;
}
void VisualToolDrag::UpdateDrag(feature_iterator feature) {
if (feature->type == DRAG_ORIGIN) {
SetOverride(feature->line, "\\org", ToScriptCoords(feature->pos).PStr());
return;
}
feature_iterator end_feature = feature->parent;
if (feature->type == DRAG_END)
std::swap(feature, end_feature);
if (feature->parent == features.end())
SetOverride(feature->line, "\\pos", ToScriptCoords(feature->pos).PStr());
else
SetOverride(feature->line, "\\move",
wxString::Format("(%s,%s,%d,%d)",
ToScriptCoords(feature->pos).Str(),
ToScriptCoords(end_feature->pos).Str(),
feature->time, end_feature->time));
}
void VisualToolDrag::OnDoubleClick() {
Vector2D d = ToScriptCoords(mouse_pos) - (primary ? ToScriptCoords(primary->pos) : GetLinePosition(active_line));
Selection sel = c->selectionController->GetSelectedSet();
for (Selection::const_iterator it = sel.begin(); it != sel.end(); ++it) {
Vector2D p1, p2;
int t1, t2;
if (GetLineMove(*it, p1, p2, t1, t2)) {
if (t1 > 0 || t2 > 0)
SetOverride(*it, "\\move", wxString::Format("(%s,%s,%d,%d)", (p1 + d).Str(), (p2 + d).Str(), t1, t2));
else
SetOverride(*it, "\\move", wxString::Format("(%s,%s)", (p1 + d).Str(), (p2 + d).Str()));
}
else
SetOverride(*it, "\\pos", (GetLinePosition(*it) + d).PStr());
if (Vector2D org = GetLineOrigin(*it))
SetOverride(*it, "\\org", (org + d).PStr());
}
Commit(_("positioning"));
OnFileChanged();
}