Aegisub/aegisub/src/base_grid.h

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// Copyright (c) 2006, 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 base_grid.h
/// @see base_grid.cpp
/// @ingroup main_ui
///
#pragma once
#ifndef AGI_PRE
#include <map>
#include <vector>
#include <wx/grid.h>
#include <wx/scrolbar.h>
#endif
#include <libaegisub/signal.h>
#include "selection_controller.h"
namespace agi {
struct Context;
class OptionValue;
}
class AssDialogue;
typedef SelectionController<AssDialogue> SubtitleSelectionController;
typedef SelectionListener<AssDialogue> SubtitleSelectionListener;
/// DOCME
/// @class BaseGrid
/// @brief DOCME
///
/// DOCME
class BaseGrid : public wxWindow, public BaseSelectionController<AssDialogue> {
int lineHeight; ///< Height of a line in pixels in the current font
int lastRow; ///< ?
bool holding; ///< Is a drag selection in process?
wxFont font; ///< Current grid font
wxScrollBar *scrollBar; ///< The grid's scrollbar
wxBitmap *bmp; ///< Back buffer which the grid is rendered into
bool byFrame; ///< Should times be displayed as frame numbers
/// Row from which the selection shrinks/grows from when selecting via the
/// keyboard. Equal to the active row except for when using shift+up/down.
int extendRow;
Selection selection; ///< Currently selected lines
AssDialogue *active_line; ///< The currently active line or 0 if none
std::vector<AssDialogue*> index_line_map; ///< Row number -> dialogue line
std::map<AssDialogue*,int> line_index_map; ///< Dialogue line -> row number
/// Selection batch nesting depth; changes are commited only when this
/// hits zero
int batch_level;
/// Has the active line been changed in the current batch?
bool batch_active_line_changed;
/// Lines which will be added to the selection when the current batch is
/// completed; should be disjoint from selection
Selection batch_selection_added;
/// Lines which will be removed from the selection when the current batch
/// is completed; should be a subset of selection
Selection batch_selection_removed;
/// Connection for video seek event. Stored explicitly so that it can be
/// blocked if the relevant option is disabled
agi::signal::Connection seek_listener;
/// Cached grid body context menu
wxMenu *context_menu;
void OnContextMenu(wxContextMenuEvent &evt);
void OnHighlightVisibleChange(agi::OptionValue const& opt);
void OnKeyDown(wxKeyEvent &event);
void OnMouseEvent(wxMouseEvent &event);
void OnPaint(wxPaintEvent &event);
void OnScroll(wxScrollEvent &event);
void OnShowColMenu(wxCommandEvent &event);
void OnSize(wxSizeEvent &event);
void OnSubtitlesCommit(int type);
void OnSubtitlesOpen();
void DrawImage(wxDC &dc, bool paint_columns[]);
void GetRowStrings(int row, AssDialogue *line, bool *paint_columns, wxString *strings) const;
void ScrollTo(int y);
int colWidth[16]; ///< Width in pixels of each column
int time_cols_x; ///< Left edge of the times columns
int time_cols_w; ///< Width of the two times columns
int text_col_x; ///< Left edge of the text column
int text_col_w; ///< Width of the text column
static const int columns = 10; ///< Total number of columns
bool showCol[columns]; ///< Column visibility mask
int yPos;
void AdjustScrollbar();
void SetColumnWidths();
bool IsDisplayed(const AssDialogue *line) const;
// Re-implement functions from BaseSelectionController to add batching
void AnnounceActiveLineChanged(AssDialogue *new_line);
void AnnounceSelectedSetChanged(const Selection &lines_added, const Selection &lines_removed);
protected:
agi::Context *context; ///< Current project context
public:
// SelectionController implementation
void SetActiveLine(AssDialogue *new_line);
AssDialogue * GetActiveLine() const { return active_line; }
void SetSelectedSet(const Selection &new_selection);
void GetSelectedSet(Selection &res) const { res = selection; }
Selection const& GetSelectedSet() const { return selection; }
void NextLine();
void PrevLine();
void BeginBatch();
void EndBatch();
void SetByFrame(bool state);
void SelectRow(int row, bool addToSelected = false, bool select=true);
int GetFirstSelRow() const;
wxArrayInt GetSelection() const;
void ClearMaps();
/// @brief Update the row <-> AssDialogue mappings
/// @param preserve_selected_rows Try to keep the same rows selected rather
/// rather than the same lines
void UpdateMaps(bool preserve_selected_rows = false);
void UpdateStyle();
int GetRows() const { return index_line_map.size(); }
void MakeCellVisible(int row, int col,bool center=true);
/// @brief Get dialogue by index
/// @param n Index to look up
/// @return Subtitle dialogue line for index, or 0 if invalid index
AssDialogue *GetDialogue(int n) const;
/// @brief Get index by dialogue line
/// @param diag Dialogue line to look up
/// @return Subtitle index for object, or -1 if unknown subtitle
int GetDialogueIndex(AssDialogue *diag) const;
BaseGrid(wxWindow* parent, agi::Context *context, const wxSize& size = wxDefaultSize, long style = wxWANTS_CHARS, const wxString& name = wxPanelNameStr);
~BaseGrid();
DECLARE_EVENT_TABLE()
};