1 /***************************************************************************
2  *   Copyright (c) 2017-2019 by the fifechan team                               *
3  *   https://github.com/fifengine/fifechan                                 *
4  *   This file is part of fifechan.                                        *
5  *                                                                         *
6  *   fifechan is free software; you can redistribute it and/or             *
7  *   modify it under the terms of the GNU Lesser General Public            *
8  *   License as published by the Free Software Foundation; either          *
9  *   version 2.1 of the License, or (at your option) any later version.    *
10  *                                                                         *
11  *   This library is distributed in the hope that it will be useful,       *
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
14  *   Lesser General Public License for more details.                       *
15  *                                                                         *
16  *   You should have received a copy of the GNU Lesser General Public      *
17  *   License along with this library; if not, write to the                 *
18  *   Free Software Foundation, Inc.,                                       *
19  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
20  ***************************************************************************/
21 
22 /*      _______   __   __   __   ______   __   __   _______   __   __
23  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
24  *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
25  *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
26  *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
27  * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
28  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
29  *
30  * Copyright (c) 2004 - 2008 Olof Naess�n and Per Larsson
31  *
32  *
33  * Per Larsson a.k.a finalman
34  * Olof Naess�n a.k.a jansem/yakslem
35  *
36  * Visit: http://guichan.sourceforge.net
37  *
38  * License: (BSD)
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the above copyright
43  *    notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  *    notice, this list of conditions and the following disclaimer in
46  *    the documentation and/or other materials provided with the
47  *    distribution.
48  * 3. Neither the name of Guichan nor the names of its contributors may
49  *    be used to endorse or promote products derived from this software
50  *    without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
58  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
59  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
60  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
61  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
62  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63  */
64 
65 /*
66  * For comments regarding functions please see the header file.
67  */
68 
69 #include "fifechan/widgets/label.hpp"
70 
71 #include "fifechan/exception.hpp"
72 #include "fifechan/font.hpp"
73 #include "fifechan/graphics.hpp"
74 
75 namespace fcn
76 {
Label()77     Label::Label()
78     {
79         mAlignment = Graphics::Left;
80 
81 		adjustSize();
82     }
83 
Label(const std::string & caption)84     Label::Label(const std::string& caption)
85     {
86         mCaption = caption;
87         mAlignment = Graphics::Left;
88 
89         adjustSize();
90     }
91 
getCaption() const92     const std::string &Label::getCaption() const
93     {
94         return mCaption;
95     }
96 
setCaption(const std::string & caption)97     void Label::setCaption(const std::string& caption)
98     {
99         mCaption = caption;
100 		adjustSize();
101     }
102 
setAlignment(Graphics::Alignment alignment)103     void Label::setAlignment(Graphics::Alignment alignment)
104     {
105         mAlignment = alignment;
106     }
107 
getAlignment() const108     Graphics::Alignment Label::getAlignment() const
109     {
110         return mAlignment;
111     }
112 
resizeToContent(bool recursiv)113     void Label::resizeToContent(bool recursiv) {
114         adjustSize();
115     }
116 
adjustSize()117     void Label::adjustSize() {
118         setSize(2 * getBorderSize() + getPaddingLeft() + getPaddingRight() + getFont()->getWidth(mCaption),
119             2 * getBorderSize() + getPaddingTop() + getPaddingBottom() + getFont()->getHeight());
120     }
121 
draw(Graphics * graphics)122     void Label::draw(Graphics* graphics)
123     {
124 		// draw border or frame
125         if (getBorderSize() > 0) {
126             if (isFocused() && (getSelectionMode() & Widget::Selection_Border) == Widget::Selection_Border) {
127                 drawSelectionFrame(graphics);
128             } else {
129                 drawBorder(graphics);
130             }
131         }
132 		Rectangle offsetRec(getBorderSize(), getBorderSize(), 2 * getBorderSize(), 2 * getBorderSize());
133         int textX;
134 		int textY = offsetRec.y + getPaddingTop() + (getHeight() - offsetRec.height - getPaddingTop() - getPaddingBottom() - getFont()->getHeight()) / 2;
135 
136         switch (getAlignment())
137         {
138           case Graphics::Left:
139               textX = offsetRec.x + getPaddingLeft();
140               break;
141           case Graphics::Center:
142               textX = offsetRec.x + getPaddingLeft() + (getWidth() - offsetRec.width - getPaddingLeft() - getPaddingRight()) / 2;
143               break;
144           case Graphics::Right:
145               textX = getWidth() - offsetRec.x - getPaddingRight();
146               break;
147           default:
148               throw FCN_EXCEPTION("Unknown alignment.");
149         }
150 
151         graphics->setFont(getFont());
152         graphics->setColor(getForegroundColor());
153         graphics->drawText(getCaption(), textX, textY, getAlignment());
154     }
155 }
156