Aegisub/src/grid_column.h
2015-02-07 14:56:48 -08:00

79 lines
2.4 KiB
C++

// Copyright (c) 2014, 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/
#include "flyweight_hash.h"
#include <memory>
#include <string>
#include <vector>
#include <unordered_map>
class AssDialogue;
class wxDC;
class wxString;
namespace agi { struct Context; }
class WidthHelper {
struct Entry {
int width;
int age;
};
int age = 0;
wxDC *dc = nullptr;
std::unordered_map<boost::flyweight<std::string>, Entry> widths;
#ifdef _WIN32
wxString scratch;
#endif
public:
void SetDC(wxDC *dc) { this->dc = dc; }
void Age();
int operator()(boost::flyweight<std::string> const& str);
int operator()(std::string const& str);
int operator()(wxString const& str);
int operator()(const char *str);
int operator()(const wchar_t *str);
};
class GridColumn {
protected:
int width = 0;
bool visible = true;
virtual int Width(const agi::Context *c, WidthHelper &helper) const = 0;
virtual wxString Value(const AssDialogue *d, const agi::Context *c) const = 0;
public:
virtual ~GridColumn() = default;
virtual bool Centered() const { return false; }
virtual bool CanHide() const { return true; }
virtual bool RefreshOnTextChange() const { return false; }
virtual wxString const& Header() const = 0;
virtual wxString const& Description() const = 0;
virtual void Paint(wxDC &dc, int x, int y, const AssDialogue *d, const agi::Context *c) const;
int Width() const { return width; }
bool Visible() const { return visible; }
virtual void UpdateWidth(const agi::Context *c, WidthHelper &helper);
virtual void SetByFrame(bool /* by_frame */) { }
void SetVisible(bool new_value) { visible = new_value; }
};
std::vector<std::unique_ptr<GridColumn>> GetGridColumns();