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/
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#include <libaegisub/signal.h>
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#include <memory>
#include <vector>
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#include <wx/window.h>
namespace agi {
struct Context;
class OptionValue;
}
class AssDialogue;
class GridColumn;
class BaseGrid final : public wxWindow {
std::vector<agi::signal::Connection> connections;
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int lineHeight = 1; ///< Height of a line in pixels in the current font
bool holding = false; ///< Is a drag selection in process?
wxFont font; ///< Current grid font
wxScrollBar *scrollBar; ///< The grid's scrollbar
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bool byFrame = false; ///< Should times be displayed as frame numbers
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/// Row from which the selection shrinks/grows from when selecting via the
/// keyboard, shift-clicking or dragging
int extendRow = -1;
/// First row that is visible at the current scroll position
int yPos = 0;
int active_row = -1;
/// Rows which are visible on the current video frame
std::vector<int> visible_rows;
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agi::Context *context; ///< Associated project context
std::vector<std::unique_ptr<GridColumn>> columns;
std::vector<bool> columns_visible;
std::vector<wxRect> text_refresh_rects;
/// Cached brushes used for row backgrounds
struct {
wxBrush Default;
wxBrush Header;
wxBrush Selection;
wxBrush Comment;
wxBrush Visible;
wxBrush SelectedComment;
wxBrush LeftCol;
} row_colors;
std::vector<AssDialogue*> index_line_map; ///< Row number -> dialogue line
/// 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
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std::unique_ptr<wxMenu> context_menu;
void OnContextMenu(wxContextMenuEvent &evt);
void OnHighlightVisibleChange(agi::OptionValue const& opt);
void OnKeyDown(wxKeyEvent &event);
void OnCharHook(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 OnActiveLineChanged(AssDialogue *);
void OnSeek();
void AdjustScrollbar();
void SetColumnWidths();
bool IsDisplayed(const AssDialogue *line) const;
void UpdateMaps();
void UpdateStyle();
void SelectRow(int row, bool addToSelected = false, bool select=true);
int GetRows() const { return index_line_map.size(); }
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void MakeRowVisible(int row);
/// @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;
public:
BaseGrid(wxWindow* parent, agi::Context *context);
~BaseGrid();
void SetByFrame(bool state);
void ScrollTo(int y);
DECLARE_EVENT_TABLE()
};