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 "libresrc/libresrc.h"
#include "subs_edit_box.h"
#include "subs_grid.h"
#include "utils.h"
#include "vfr.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, VideoState const& video, wxToolBar * toolBar)
: VisualTool<VisualToolDragDraggableFeature>(parent, 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);
}
void VisualToolDrag::UpdateToggleButtons() {
// Check which bitmap to use
bool toMove = true;
AssDialogue *line = GetActiveDialogueLine();
if (line) {
int x1,y1,x2,y2,t1,t2;
bool hasMove;
GetLineMove(line,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 &event) {
// Get line
AssDialogue *line = GetActiveDialogueLine();
if (!line) return;
// Toggle \move <-> \pos
if (event.GetId() == BUTTON_TOGGLE_MOVE) {
// Get coordinates
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);
// Replace tag
if (hasMove) SetOverride(line, L"\\pos",wxString::Format(L"(%i,%i)",x1,y1));
else SetOverride(line, L"\\move",wxString::Format(L"(%i,%i,%i,%i,%i,%i)",x1,y1,x1,y1,0,line->End.GetMS() - line->Start.GetMS()));
Commit(true);
// Update display
Refresh();
}
}
void VisualToolDrag::DoRefresh() {
UpdateToggleButtons();
}
void VisualToolDrag::OnSelectionChange(bool clear, int row, bool selected) {
if (!externalChange) return;
externalChange = false;
if (clear) {
ClearSelection(false);
}
if (selected) {
for (size_t i = 0; i < features.size(); i++) {
if (features[i].lineN == row && features[i].type == DRAG_START) {
AddSelection(i);
break;
}
}
}
else {
for (size_t i = 0; i < features.size(); i++) {
if (features[i].lineN == row) {
RemoveSelection(i);
}
}
}
externalChange = true;
}
void VisualToolDrag::Draw() {
DrawAllFeatures();
// Draw arrows
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur) {
if (cur->type == DRAG_START) continue;
VisualDraggableFeature *p2 = &*cur;
VisualDraggableFeature *p1 = &features[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::PopulateFeatureList() {
ClearSelection(false);
primary = -1;
GenerateFeatures();
}
void VisualToolDrag::GenerateFeatures() {
features.clear();
// Get video data
BaseGrid* grid = VideoContext::Get()->grid;
int numRows = grid->GetRows();
for (int i=numRows;--i>=0;) {
AssDialogue *diag = grid->GetDialogue(i);
if (!diag || !BaseGrid::IsDisplayed(diag)) continue;
// 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
VisualToolDragDraggableFeature feat;
feat.x = x1;
feat.y = y1;
feat.layer = 0;
feat.type = DRAG_START;
feat.time = t1;
feat.line = diag;
feat.lineN = i;
features.push_back(feat);
feat.parent = features.size() - 1;
if (grid->IsInSelection(i)) {
AddSelection(features.size() - 1);
}
// 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;
feat.lineN = i;
features.push_back(feat);
features[feat.parent].parent = features.size() - 1;
}
// 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;
feat.lineN = i;
features.push_back(feat);
}
}
}
bool VisualToolDrag::InitializeDrag(VisualToolDragDraggableFeature *feature) {
primary = feature - &features[0];
return true;
}
/// @brief Update drag
/// @param feature
void VisualToolDrag::UpdateDrag(VisualToolDragDraggableFeature* feature) {
// Update "time" to reflect the time of the frame in which the feature is being dragged
int time = VFR_Output.GetTimeAtFrame(frame_n,true,true);
feature->time = MID(0,time - feature->line->Start.GetMS(),feature->line->End.GetMS()-feature->line->Start.GetMS());
}
/// @brief Commit drag
/// @param feature
void VisualToolDrag::CommitDrag(VisualToolDragDraggableFeature* feature) {
if (feature->type == DRAG_ORIGIN) {
int x = feature->x;
int y = feature->y;
parent->ToScriptCoords(&x, &y);
SetOverride(feature->line, L"\\org",wxString::Format(L"(%i,%i)",x,y));
return;
}
VisualToolDragDraggableFeature *p = feature->parent > -1 ? &features[feature->parent] : NULL;
if (feature->type == DRAG_END) {
std::swap(feature, p);
}
int x1 = feature->x;
int y1 = feature->y;
parent->ToScriptCoords(&x1, &y1);
// Position
if (!p) {
SetOverride(feature->line, L"\\pos", wxString::Format(L"(%i,%i)", x1, y1));
}
// Move
else {
int x2 = p->x;
int y2 = p->y;
parent->ToScriptCoords(&x2, &y2);
// Set override
SetOverride(feature->line, L"\\move", wxString::Format(L"(%i,%i,%i,%i,%i,%i)", x1, y1, x2, y2, feature->time, p->time));
}
}
void VisualToolDrag::Update() {
if (!leftDClick) return;
int dx, dy;
int vx = video.x;
int vy = video.y;
parent->ToScriptCoords(&vx, &vy);
if (primary > -1) {
dx = features[primary].x;
dy = features[primary].y;
}
else {
AssDialogue* line = GetActiveDialogueLine();
if (!line) return;
GetLinePosition(line, dx, dy);
}
parent->ToScriptCoords(&dx, &dy);
dx -= vx;
dy -= vy;
SubtitlesGrid *grid = VideoContext::Get()->grid;
wxArrayInt sel = grid->GetSelection();
for (wxArrayInt::const_iterator cur = sel.begin(); cur != sel.end(); ++cur) {
AssDialogue* line = grid->GetDialogue(*cur);
if (!line) continue;
int x1 = 0, y1 = 0, x2 = 0, y2 = 0, t1 = INT_MIN, t2 = INT_MIN, orgx, orgy;
bool isMove;
GetLinePosition(line, x1, y1, orgx, orgy);
GetLineMove(line, 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(line, L"\\move", wxString::Format(L"(%i,%i,%i,%i,%i,%i)", x1 - dx, y1 - dy, x2 - dx, y2 - dy, t1, t2));
else
SetOverride(line, L"\\move", wxString::Format(L"(%i,%i,%i,%i)", x1, y1, x2, y2));
}
else {
SetOverride(line, L"\\pos", wxString::Format(L"(%i,%i)", x1 - dx, y1 - dy));
}
if (orgx != x1 || orgy != y1) {
SetOverride(line, L"\\org", wxString::Format(L"(%i,%i)", orgx - dx, orgy - dy));
}
}
Commit(false, _("positioning"));
GenerateFeatures();
}