mirror of https://github.com/OpenTTD/OpenTTD.git
63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file textfile_gui.h GUI functions related to textfiles. */
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#ifndef TEXTFILE_GUI_H
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#define TEXTFILE_GUI_H
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#include "fileio_type.h"
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#include "strings_func.h"
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#include "textfile_type.h"
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#include "window_gui.h"
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std::optional<std::string> GetTextfile(TextfileType type, Subdirectory dir, const std::string &filename);
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/** Window for displaying a textfile */
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struct TextfileWindow : public Window, MissingGlyphSearcher {
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struct Line {
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int top; ///< Top scroll position.
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int bottom; ///< Bottom scroll position.
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const char *text; ///< Pointer to text buffer.
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Line(int top, const char *text) : top(top), bottom(top + 1), text(text) {}
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};
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TextfileType file_type; ///< Type of textfile to view.
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Scrollbar *vscroll; ///< Vertical scrollbar.
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Scrollbar *hscroll; ///< Horizontal scrollbar.
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char *text; ///< Lines of text from the NewGRF's textfile.
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std::vector<Line> lines; ///< #text, split into lines in a table with lines.
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uint search_iterator; ///< Iterator for the font check search.
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uint max_length; ///< Maximum length of unwrapped text line.
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TextfileWindow(TextfileType file_type);
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~TextfileWindow();
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void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize) override;
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void OnClick(Point pt, int widget, int click_count) override;
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void DrawWidget(const Rect &r, int widget) const override;
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void OnResize() override;
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void OnInvalidateData(int data = 0, bool gui_scope = true) override;
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void Reset() override;
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FontSize DefaultSize() override;
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const char *NextString() override;
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bool Monospace() override;
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void SetFontNames(FontCacheSettings *settings, const char *font_name, const void *os_data) override;
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virtual void LoadTextfile(const std::string &textfile, Subdirectory dir);
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private:
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uint ReflowContent();
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uint GetContentHeight();
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void SetupScrollbars(bool force_reflow);
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};
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#endif /* TEXTFILE_GUI_H */
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