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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file textfile_gui.h GUI functions related to textfiles. */
#ifndef TEXTFILE_GUI_H
#define TEXTFILE_GUI_H
#include "fileio_type.h"
#include "strings_func.h"
#include "textfile_type.h"
#include "window_gui.h"
const char *GetTextfile(TextfileType type, Subdirectory dir, const char *filename);
/** Window for displaying a textfile */
struct TextfileWindow : public Window, MissingGlyphSearcher {
struct Line {
int top; ///< Top scroll position.
int bottom; ///< Bottom scroll position.
const char *text; ///< Pointer to text buffer.
Line(int top, const char *text) : top(top), bottom(top + 1), text(text) {}
};
TextfileType file_type; ///< Type of textfile to view.
Scrollbar *vscroll; ///< Vertical scrollbar.
Scrollbar *hscroll; ///< Horizontal scrollbar.
char *text; ///< Lines of text from the NewGRF's textfile.
std::vector<Line> lines; ///< #text, split into lines in a table with lines.
uint search_iterator; ///< Iterator for the font check search.
uint max_length; ///< Maximum length of unwrapped text line.
static const int TOP_SPACING = WD_FRAMETEXT_TOP; ///< Additional spacing at the top of the #WID_TF_BACKGROUND widget.
static const int BOTTOM_SPACING = WD_FRAMETEXT_BOTTOM; ///< Additional spacing at the bottom of the #WID_TF_BACKGROUND widget.
TextfileWindow(TextfileType file_type);
~TextfileWindow();
void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override;
void OnClick(Point pt, int widget, int click_count) override;
void DrawWidget(const Rect &r, int widget) const override;
void OnResize() override;
void OnInvalidateData(int data = 0, bool gui_scope = true) override;
void Reset() override;
FontSize DefaultSize() override;
const char *NextString() override;
bool Monospace() override;
void SetFontNames(FreeTypeSettings *settings, const char *font_name, const void *os_data) override;
virtual void LoadTextfile(const char *textfile, Subdirectory dir);
private:
uint ReflowContent();
uint GetContentHeight();
void SetupScrollbars(bool force_reflow);
};
#endif /* TEXTFILE_GUI_H */
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