Aegisub/aegisub/src/visual_tool_drag.cpp

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// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// 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 "ass_dialogue.h"
#include "ass_file.h"
#include "include/aegisub/context.h"
#include "libresrc/libresrc.h"
#include "subs_grid.h"
#include "utils.h"
#include "video_context.h"
#include "video_display.h"
#include "visual_tool_drag.h"
enum {
BUTTON_TOGGLE_MOVE = VISUAL_SUB_TOOL_START
};
static const DraggableFeatureType DRAG_ORIGIN = DRAG_BIG_TRIANGLE;
static const DraggableFeatureType DRAG_START = DRAG_BIG_SQUARE;
static const DraggableFeatureType DRAG_END = DRAG_BIG_CIRCLE;
/// @brief Constructor
/// @param _parent
/// @param toolBar
VisualToolDrag::VisualToolDrag(VideoDisplay *parent, agi::Context *context, VideoState const& video, wxToolBar * toolBar)
: VisualTool<VisualToolDragDraggableFeature>(parent, context, video)
, toolBar(toolBar)
, primary(NULL)
, toggleMoveOnMove(true)
{
toolBar->AddTool(BUTTON_TOGGLE_MOVE, _("Toggle between \\move and \\pos"), GETIMAGE(visual_move_conv_move_24));
toolBar->Realize();
toolBar->Show(true);
c->selectionController->GetSelectedSet(selection);
OnFileChanged();
}
void VisualToolDrag::UpdateToggleButtons() {
// Check which bitmap to use
bool toMove = true;
if (curDiag) {
int x1,y1,x2,y2,t1,t2;
bool hasMove;
GetLineMove(curDiag,hasMove,x1,y1,x2,y2,t1,t2);
toMove = !hasMove;
}
// No change needed
if (toMove == toggleMoveOnMove) return;
// Change bitmap
if (toMove) {
toolBar->SetToolNormalBitmap(BUTTON_TOGGLE_MOVE, GETIMAGE(visual_move_conv_move_24));
}
else {
toolBar->SetToolNormalBitmap(BUTTON_TOGGLE_MOVE, GETIMAGE(visual_move_conv_pos_24));
}
toggleMoveOnMove = toMove;
}
/// @brief Toggle button pressed
/// @param event
void VisualToolDrag::OnSubTool(wxCommandEvent &) {
// Toggle \move <-> \pos
for (Selection::const_iterator cur = selection.begin(); cur != selection.end(); ++cur) {
AssDialogue *line = *cur;
int x1,y1,x2,y2,t1,t2;
bool hasMove;
GetLinePosition(line,x1,y1);
GetLineMove(line,hasMove,x1,y1,x2,y2,t1,t2);
parent->ToScriptCoords(&x1, &y1);
parent->ToScriptCoords(&x2, &y2);
if (hasMove) SetOverride(line, "\\pos",wxString::Format("(%i,%i)",x1,y1));
else SetOverride(line, "\\move",wxString::Format("(%i,%i,%i,%i,%i,%i)",x1,y1,x1,y1,0,line->End.GetMS() - line->Start.GetMS()));
}
Commit();
Refresh();
UpdateToggleButtons();
}
void VisualToolDrag::OnLineChanged() {
UpdateToggleButtons();
}
void VisualToolDrag::OnFileChanged() {
/// @todo it should be possible to preserve the selection in some cases
features.clear();
ClearSelection();
primary = NULL;
for (int i = c->subsGrid->GetRows() - 1; i >=0; i--) {
AssDialogue *diag = c->subsGrid->GetDialogue(i);
if (c->subsGrid->IsDisplayed(diag)) {
MakeFeatures(diag);
}
}
UpdateToggleButtons();
}
void VisualToolDrag::OnFrameChanged() {
if (primary && !c->subsGrid->IsDisplayed(primary->line)) primary = NULL;
feature_iterator feat = features.begin();
feature_iterator end = features.end();
for (int i = c->subsGrid->GetRows() - 1; i >=0; i--) {
AssDialogue *diag = c->subsGrid->GetDialogue(i);
if (c->subsGrid->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) {
feat->line = NULL;
RemoveSelection(feat);
feat = features.erase(feat);
}
}
}
}
void VisualToolDrag::OnSelectedSetChanged(const Selection &added, const Selection &removed) {
c->selectionController->GetSelectedSet(selection);
if (!externalChange) return;
externalChange = false;
c->subsGrid->BeginBatch();
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur) {
// Remove all deselected lines
if (removed.find(cur->line) != removed.end()) {
RemoveSelection(cur);
}
// And add all newly selected lines
else if (added.find(cur->line) != added.end() && cur->type == DRAG_START) {
AddSelection(cur);
}
}
c->subsGrid->EndBatch();
externalChange = true;
}
void VisualToolDrag::Draw() {
DrawAllFeatures();
// Draw arrows
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;
// Has arrow?
bool hasArrow = p2->type == DRAG_END;
int arrowLen = hasArrow ? 10 : 0;
// See if the distance between them is enough
int dx = p2->x - p1->x;
int dy = p2->y - p1->y;
int dist = (int)sqrt(double(dx*dx + dy*dy));
if (dist < 20+arrowLen) continue;
// Get end points
int x1 = p1->x + dx*10/dist;
int x2 = p2->x - dx*(10+arrowLen)/dist;
int y1 = p1->y + dy*10/dist;
int y2 = p2->y - dy*(10+arrowLen)/dist;
// Draw arrow
if (hasArrow) {
// Calculate angle
double angle = atan2(double(y2-y1),double(x2-x1))+1.570796;
int sx = int(cos(angle)*4);
int sy = int(-sin(angle)*4);
// Arrow line
SetLineColour(colour[3],0.8f,2);
DrawLine(x1,y1,x2,y2);
// Arrow head
DrawLine(x2+sx,y2-sy,x2-sx,y2+sy);
DrawLine(x2+sx,y2-sy,x2+dx*10/dist,y2+dy*10/dist);
DrawLine(x2-sx,y2+sy,x2+dx*10/dist,y2+dy*10/dist);
}
// Draw dashed line
else {
SetLineColour(colour[3],0.5f,2);
DrawDashedLine(x1,y1,x2,y2,6);
}
}
}
void VisualToolDrag::MakeFeatures(AssDialogue *diag) {
MakeFeatures(diag, features.end());
}
void VisualToolDrag::MakeFeatures(AssDialogue *diag, feature_iterator pos) {
// Get position
int x1,x2,y1,y2;
int t1=0;
int t2=diag->End.GetMS()-diag->Start.GetMS();
int torgx,torgy;
bool hasMove;
GetLinePosition(diag,x1,y1,torgx,torgy);
GetLineMove(diag,hasMove,x1,y1,x2,y2,t1,t2);
// Create \pos feature
Feature feat;
feat.x = x1;
feat.y = y1;
feat.layer = 0;
feat.type = DRAG_START;
feat.time = t1;
feat.line = diag;
feat.parent = features.end();
features.insert(pos, feat);
feature_iterator cur = pos; --cur;
feat.parent = cur;
if (selection.find(diag) != selection.end()) {
AddSelection(cur);
}
// Create move destination feature
if (hasMove) {
feat.x = x2;
feat.y = y2;
feat.layer = 1;
feat.type = DRAG_END;
feat.time = t2;
feat.line = diag;
features.insert(pos, feat);
feat.parent->parent = --pos; ++pos;
}
// Create org feature
if (torgx != x1 || torgy != y1) {
feat.x = torgx;
feat.y = torgy;
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(frameNumber) - feature->line->Start.GetMS();
int change = time - feature->time;
for (sel_iterator cur = selectedFeatures.begin(); cur != selectedFeatures.end(); ++cur) {
if ((*cur)->type != DRAG_ORIGIN) {
(*cur)->time += change;
}
}
}
return true;
}
void VisualToolDrag::CommitDrag(feature_iterator feature) {
if (feature->type == DRAG_ORIGIN) {
int x = feature->x;
int y = feature->y;
parent->ToScriptCoords(&x, &y);
SetOverride(feature->line, "\\org",wxString::Format("(%i,%i)",x,y));
return;
}
feature_iterator p = feature->parent;
if (feature->type == DRAG_END) {
std::swap(feature, p);
}
int x1 = feature->x;
int y1 = feature->y;
parent->ToScriptCoords(&x1, &y1);
// Position
if (feature->parent == features.end()) {
SetOverride(feature->line, "\\pos", wxString::Format("(%i,%i)", x1, y1));
}
// Move
else {
int x2 = p->x;
int y2 = p->y;
parent->ToScriptCoords(&x2, &y2);
SetOverride(feature->line, "\\move", wxString::Format("(%i,%i,%i,%i,%i,%i)", x1, y1, x2, y2, feature->time, p->time));
}
}
bool VisualToolDrag::Update() {
if (!leftDClick) return false;
int dx, dy;
int vx = video.x;
int vy = video.y;
parent->ToScriptCoords(&vx, &vy);
if (primary) {
dx = primary->x;
dy = primary->y;
}
else {
if (!curDiag) return false;
GetLinePosition(curDiag, dx, dy);
}
parent->ToScriptCoords(&dx, &dy);
dx -= vx;
dy -= vy;
for (Selection::const_iterator cur = selection.begin(); cur != selection.end(); ++cur) {
int x1 = 0, y1 = 0, x2 = 0, y2 = 0, t1 = INT_MIN, t2 = INT_MIN, orgx, orgy;
bool isMove;
GetLinePosition(*cur, x1, y1, orgx, orgy);
GetLineMove(*cur, isMove, x1, y1, x2, y2, t1, t2);
parent->ToScriptCoords(&x1, &y1);
parent->ToScriptCoords(&x2, &y2);
parent->ToScriptCoords(&orgx, &orgy);
if (isMove) {
if (t1 > INT_MIN && t2 > INT_MIN)
SetOverride(*cur, "\\move", wxString::Format("(%i,%i,%i,%i,%i,%i)", x1 - dx, y1 - dy, x2 - dx, y2 - dy, t1, t2));
else
SetOverride(*cur, "\\move", wxString::Format("(%i,%i,%i,%i)", x1, y1, x2, y2));
}
else {
SetOverride(*cur, "\\pos", wxString::Format("(%i,%i)", x1 - dx, y1 - dy));
}
if (orgx != x1 || orgy != y1) {
SetOverride(*cur, "\\org", wxString::Format("(%i,%i)", orgx - dx, orgy - dy));
}
}
Commit(_("positioning"));
OnFileChanged();
return false;
}