pelya
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/*
|
|
* Copyright (C) 2005 Chai Braudo (braudo@users.sourceforge.net)
|
|
*
|
|
* This file is part of Jooleem - http://sourceforge.net/projects/jooleem
|
|
*
|
|
* Jooleem 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Jooleem 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 Jooleem; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _UITEXTBOX_H_
|
|
#define _UITEXTBOX_H_
|
|
|
|
// UI text box control
|
|
|
|
#include "../UI/uicontrol.h"
|
|
#include "../common/font.h"
|
|
#include <string>
|
|
#include <vector>
|
|
#include "SDL.h"
|
|
|
|
using namespace std;
|
|
|
|
class UITextBox: public UIControl
|
|
{
|
|
private:
|
|
SDL_Surface *m_BGSurface; // Background surface
|
|
SDL_Surface *m_textSurface; // Text surface
|
|
SDL_Surface *m_cursorSurface; // Cursor surface
|
|
|
|
string m_text; // The box's text
|
|
Font *m_font; // Font used to render the text
|
|
SDL_Color m_textColor; // Text color
|
|
|
|
Uint16 m_cursorIndex; // Cursor position - as the index of the
|
|
// character in the string. The cursor
|
|
// is drawn BEFORE the character with
|
|
// the same index.
|
|
// Use n+1 to indicate the position after
|
|
// the last character.
|
|
|
|
vector<Uint16> m_charOffset; // A vector of character advance offset.
|
|
// E.g. For the string "Hello", the value
|
|
// of the second element will be the distance,
|
|
// in pixels, from the begining of the rendered
|
|
// text until the end of the character 'e'
|
|
|
|
Uint16 m_textX, m_textY; // Location of text area within the control
|
|
|
|
bool m_blinking; // Current blinking status
|
|
static const int CURSOR_BLINK = 500; // Cursor blink rate, in ms
|
|
|
|
|
|
public:
|
|
UITextBox();
|
|
~UITextBox();
|
|
|
|
void Set(Uint16 x, Uint16 y, // Box location
|
|
Uint16 textX, Uint16 textY, // Text location relative to the box
|
|
SDL_Surface* background, SDL_Surface *cursorSurface, // Background and cursor surfaces
|
|
Font *font, SDL_Color textColor); // Font and text color
|
|
|
|
void SetEnabled(bool enabled){};
|
|
|
|
void Clear(); // Clears the text
|
|
|
|
string GetText() const; // Gets the box's text
|
|
void SetText(string text); // Sets the box's text
|
|
|
|
void SetBackground(SDL_Surface *background);// Sets the background surface
|
|
|
|
bool Update(); // Updates the text box
|
|
|
|
void Draw(SDL_Surface *screen); // Draws the text box
|
|
|
|
// Mouse and keyboard events:
|
|
bool MouseDown(Uint16 x, Uint16 y); // Processes mouse down events
|
|
bool MouseUp(Uint16 x, Uint16 y){return false;} // Processes mouse up events
|
|
bool Click(Uint16 x, Uint16 y){return false;} // Processes user clicks
|
|
bool Hover(Uint16 x, Uint16 y){return false;} // Processes user mouse hover
|
|
bool KeyDown(SDL_KeyboardEvent *event); // Processes keyboard clicks
|
|
|
|
private:
|
|
void Refresh(); // Refreshes the text box when changed
|
|
void MeasureOffsets(); // Measure the characters' offset
|
|
};
|
|
|
|
#endif
|
|
|