OpenTTD/src/querystring_gui.h

57 lines
2.3 KiB
C++

/*
* 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 querystring_gui.h Base for the GUIs that have an edit box in them. */
#ifndef QUERYSTRING_GUI_H
#define QUERYSTRING_GUI_H
#include "textbuf_type.h"
#include "textbuf_gui.h"
#include "window_gui.h"
/**
* Data stored about a string that can be modified in the GUI
*/
struct QueryString {
/* Special actions when hitting ENTER or ESC. (only keyboard, not OSK) */
static const int ACTION_NOTHING = -1; ///< Nothing.
static const int ACTION_DESELECT = -2; ///< Deselect editbox.
static const int ACTION_CLEAR = -3; ///< Clear editbox.
StringID caption;
int ok_button; ///< Widget button of parent window to simulate when pressing OK in OSK.
int cancel_button; ///< Widget button of parent window to simulate when pressing CANCEL in OSK.
Textbuf text;
std::optional<std::string> orig;
bool handled;
/**
* Initialize string.
* @param size Maximum size in bytes.
* @param chars Maximum size in chars.
*/
QueryString(uint16_t size, uint16_t chars = UINT16_MAX) : ok_button(ACTION_NOTHING), cancel_button(ACTION_DESELECT), text(size, chars)
{
}
public:
void DrawEditBox(const Window *w, WidgetID wid) const;
void ClickEditBox(Window *w, Point pt, WidgetID wid, int click_count, bool focus_changed);
void HandleEditBox(Window *w, WidgetID wid);
Point GetCaretPosition(const Window *w, WidgetID wid) const;
Rect GetBoundingRect(const Window *w, WidgetID wid, const char *from, const char *to) const;
ptrdiff_t GetCharAtPosition(const Window *w, WidgetID wid, const Point &pt) const;
};
void ShowOnScreenKeyboard(Window *parent, WidgetID button);
void UpdateOSKOriginalText(const Window *parent, WidgetID button);
bool IsOSKOpenedFor(const Window *w, WidgetID button);
#endif /* QUERYSTRING_GUI_H */