Head

GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/gui/widgets/label.cpp	Lines:	102	126	81.0 %
Date:	2021-03-17	Branches:	43	91	47.3 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2009  Aethyra Development Team
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program 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
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
 *
 *
 * Per Larsson a.k.a finalman
 * Olof Naessén a.k.a jansem/yakslem
 *
 * Visit: http://guichan.sourceforge.net
 *
 * License: (BSD)
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Guichan nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "gui/widgets/label.h"

#include "gui/gui.h"
#include "gui/skin.h"

#include "gui/fonts/font.h"

#include "debug.h"

Skin *Label::mSkin = nullptr;
int Label::mInstances = 0;

Label::Label(const Widget2 *const widget) :
    Widget(widget),
    WidgetListener(),
    ToolTipListener(),
    mCaption(),
    mTextChunk(),
    mAlignment(Graphics::LEFT),
    mPadding(0),
    mTextChanged(true)
{
    init();
}

Label::Label(const Widget2 *const widget,
             const std::string &caption) :
    Widget(widget),
    WidgetListener(),
    ToolTipListener(),
    mCaption(caption),
    mTextChunk(),
    mAlignment(Graphics::LEFT),
    mPadding(0),
    mTextChanged(true)
{
    const Font *const font = getFont();
    setWidth(font->getWidth(caption));
    setHeight(font->getHeight());
    init();
}

Label::~Label()
{
    if (mWindow != nullptr)
        mWindow->removeWidgetListener(this);

    if (gui != nullptr)
        gui->removeDragged(this);

    mInstances --;
    if (mInstances == 0)
    {
        if (theme != nullptr)
            theme->unload(mSkin);
    }
    removeMouseListener(this);
    mTextChunk.deleteImage();
}

void Label::init()
{
    addMouseListener(this);
    mAllowLogic = false;
    mForegroundColor = getThemeColor(ThemeColorId::LABEL, 255U);
    mForegroundColor2 = getThemeColor(ThemeColorId::LABEL_OUTLINE, 255U);
    if (mInstances == 0)
    {
        if (theme != nullptr)
        {
            mSkin = theme->load("label.xml",
                "",
                true,
                Theme::getThemePath());
        }
    }
    mInstances ++;

    if (mSkin != nullptr)
        mPadding = mSkin->getPadding();
    else
        mPadding = 0;
    setSelectable(false);
}

void Label::draw(Graphics *const graphics)
{
    BLOCK_START("Label::draw")
    int textX;
    const Rect &rect = mDimension;
    Font *const font = getFont();

    switch (mAlignment)
    {
        case Graphics::LEFT:
        default:
            textX = mPadding;
            break;
        case Graphics::CENTER:
            textX = (rect.width - font->getWidth(mCaption)) / 2;
            break;
        case Graphics::RIGHT:
            if (rect.width > mPadding)
                textX = rect.width - mPadding - font->getWidth(mCaption);
            else
                textX = 0;
            break;
    }

    if (mTextChanged)
    {
        mTextChunk.textFont = font;
        mTextChunk.deleteImage();
        mTextChunk.text = mCaption;
        mTextChunk.color = mForegroundColor;
        mTextChunk.color2 = mForegroundColor2;
        font->generate(mTextChunk);
        mTextChanged = false;
    }

    const Image *const image = mTextChunk.img;
    if (image != nullptr)
    {
        const int textY = rect.height / 2 - font->getHeight() / 2;
        graphics->drawImage(image, textX, textY);
    }
    BLOCK_END("Label::draw")
}

void Label::safeDraw(Graphics *const graphics)
{
    Label::draw(graphics);
}

void Label::adjustSize()
{
    const Font *const font = getFont();
    const int pad2 = 2 * mPadding;
    setWidth(font->getWidth(mCaption) + pad2);
    setHeight(font->getHeight() + pad2);
}

void Label::setForegroundColor(const Color &color)
{
    if (mForegroundColor != color || mForegroundColor2 != color)
        mTextChanged = true;
//    logger->log("Label::setForegroundColor: " + mCaption);
    mForegroundColor = color;
    mForegroundColor2 = color;
}

void Label::setForegroundColorAll(const Color &color1,
                                  const Color &color2)
{
    if (mForegroundColor != color1 || mForegroundColor2 != color2)
        mTextChanged = true;
//    logger->log("Label::setForegroundColorAll: " + mCaption);
    mForegroundColor = color1;
    mForegroundColor2 = color2;
}

void Label::resizeTo(const int maxSize, const int minSize)
{
    const Font *const font = getFont();
    const int pad2 = 2 * mPadding;
    setHeight(font->getHeight() + pad2);

    if (font->getWidth(mCaption) + pad2 > maxSize)
    {
        const int dots = font->getWidth("...");
        if (dots > maxSize)
        {
            setWidth(maxSize);
            return;
        }
        const size_t szChars = mCaption.size();
        for (size_t f = 1; f < szChars - 1; f ++)
        {
            const std::string text = mCaption.substr(0, szChars - f);
            const int width = font->getWidth(text) + dots + pad2;
            if (width <= maxSize)
            {
                setCaption(text + "...");
                setWidth(width);
                return;
            }
        }
        setWidth(maxSize);
    }
    else
    {
        int sz = font->getWidth(mCaption) + pad2;
        if (sz < minSize)
            sz = minSize;
        setWidth(sz);
    }
}

void Label::setCaption(const std::string& caption)
{
    if (caption != mCaption)
        mTextChanged = true;
    mCaption = caption;
}

void Label::setParent(Widget *const widget)
{
    if (mWindow != nullptr)
        mWindow->addWidgetListener(this);
    Widget::setParent(widget);
}

void Label::setWindow(Widget *const widget)
{
    if ((widget == nullptr) && (mWindow != nullptr))
    {
        mWindow->removeWidgetListener(this);
        mWindow = nullptr;
    }
    else
    {
        Widget2::setWindow(widget);
    }
}

void Label::widgetHidden(const Event &event A_UNUSED)
{
    mTextChanged = true;
    mTextChunk.deleteImage();
}

void Label::finalCleanup()
{
    mSkin = nullptr;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2009 Aethyra Development Team
4			* Copyright (C) 2011-2019 The ManaPlus Developers
5			* Copyright (C) 2019-2021 Andrei Karas
6			*
7			* This file is part of The ManaPlus Client.
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program. If not, see <http://www.gnu.org/licenses/>.
21			*/
22
23			/* _______ __ __ __ ______ __ __ _______ __ __
24			* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / \|\/ /\
25			* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , \|/ / /
26			* / / /__ / / // / // / // / / / ___ / // ___ / // /\| ' / /
27			* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / \| / /
28			* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /\|_/ /
29			* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
30			*
31			* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
32			*
33			*
34			* Per Larsson a.k.a finalman
35			* Olof Naessén a.k.a jansem/yakslem
36			*
37			* Visit: http://guichan.sourceforge.net
38			*
39			* License: (BSD)
40			* Redistribution and use in source and binary forms, with or without
41			* modification, are permitted provided that the following conditions
42			* are met:
43			* 1. Redistributions of source code must retain the above copyright
44			* notice, this list of conditions and the following disclaimer.
45			* 2. Redistributions in binary form must reproduce the above copyright
46			* notice, this list of conditions and the following disclaimer in
47			* the documentation and/or other materials provided with the
48			* distribution.
49			* 3. Neither the name of Guichan nor the names of its contributors may
50			* be used to endorse or promote products derived from this software
51			* without specific prior written permission.
52			*
53			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
54			* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
55			* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
56			* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
57			* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
58			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
59			* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
60			* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
61			* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
62			* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
63			* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64			*/
65
66			#include "gui/widgets/label.h"
67
68			#include "gui/gui.h"
69			#include "gui/skin.h"
70
71			#include "gui/fonts/font.h"
72
73			#include "debug.h"
74
75			Skin *Label::mSkin = nullptr;
76			int Label::mInstances = 0;
77
78		126	Label::Label(const Widget2 *const widget) :
79			Widget(widget),
80			WidgetListener(),
81			ToolTipListener(),
82			mCaption(),
83			mTextChunk(),
84			mAlignment(Graphics::LEFT),
85			mPadding(0),
86	✓✗✓✗	378	mTextChanged(true)
87			{
88	✓✗	126	init();
89		126	}
90
91		487	Label::Label(const Widget2 *const widget,
92		487	const std::string &caption) :
93			Widget(widget),
94			WidgetListener(),
95			ToolTipListener(),
96			mCaption(caption),
97			mTextChunk(),
98			mAlignment(Graphics::LEFT),
99			mPadding(0),
100	✓✗✓✗	1461	mTextChanged(true)
101			{
102	✓✗	487	const Font *const font = getFont();
103	✓✗✓✗	487	setWidth(font->getWidth(caption));
104	✓✗✓✗	487	setHeight(font->getHeight());
105	✓✗	487	init();
106		487	}
107
108		3678	Label::~Label()
109			{
110	✓✓	613	if (mWindow != nullptr)
111		609	mWindow->removeWidgetListener(this);
112
113	✓✗	613	if (gui != nullptr)
114		613	gui->removeDragged(this);
115
116		613	mInstances --;
117	✓✓	613	if (mInstances == 0)
118			{
119	✓✗	39	if (theme != nullptr)
120		39	theme->unload(mSkin);
121			}
122		613	removeMouseListener(this);
123		613	mTextChunk.deleteImage();
124		1226	}
125
126		613	void Label::init()
127			{
128		613	addMouseListener(this);
129		613	mAllowLogic = false;
130		1226	mForegroundColor = getThemeColor(ThemeColorId::LABEL, 255U);
131		1226	mForegroundColor2 = getThemeColor(ThemeColorId::LABEL_OUTLINE, 255U);
132	✓✓	613	if (mInstances == 0)
133			{
134	✓✗	39	if (theme != nullptr)
135			{
136	✓✗✓✗ ✓✗	273	mSkin = theme->load("label.xml",
137			"",
138			true,
139		39	Theme::getThemePath());
140			}
141			}
142		613	mInstances ++;
143
144	✓✗	613	if (mSkin != nullptr)
145		1226	mPadding = mSkin->getPadding();
146			else
147			mPadding = 0;
148		1226	setSelectable(false);
149		613	}
150
151		60	void Label::draw(Graphics *const graphics)
152			{
153			BLOCK_START("Label::draw")
154			int textX;
155		60	const Rect &rect = mDimension;
156		60	Font *const font = getFont();
157
158	✓✓✗	60	switch (mAlignment)
159			{
160			case Graphics::LEFT:
161			default:
162		45	textX = mPadding;
163		45	break;
164			case Graphics::CENTER:
165		15	textX = (rect.width - font->getWidth(mCaption)) / 2;
166		15	break;
167			case Graphics::RIGHT:
168			if (rect.width > mPadding)
169			textX = rect.width - mPadding - font->getWidth(mCaption);
170			else
171			textX = 0;
172			break;
173			}
174
175	✓✗	60	if (mTextChanged)
176			{
177		60	mTextChunk.textFont = font;
178		60	mTextChunk.deleteImage();
179		120	mTextChunk.text = mCaption;
180		60	mTextChunk.color = mForegroundColor;
181		60	mTextChunk.color2 = mForegroundColor2;
182		60	font->generate(mTextChunk);
183		60	mTextChanged = false;
184			}
185
186		60	const Image *const image = mTextChunk.img;
187	✓✓	60	if (image != nullptr)
188			{
189		47	const int textY = rect.height / 2 - font->getHeight() / 2;
190		47	graphics->drawImage(image, textX, textY);
191			}
192			BLOCK_END("Label::draw")
193		60	}
194
195			void Label::safeDraw(Graphics *const graphics)
196			{
197			Label::draw(graphics);
198			}
199
200		172	void Label::adjustSize()
201			{
202		172	const Font *const font = getFont();
203		172	const int pad2 = 2 * mPadding;
204		172	setWidth(font->getWidth(mCaption) + pad2);
205		172	setHeight(font->getHeight() + pad2);
206		172	}
207
208			void Label::setForegroundColor(const Color &color)
209			{
210			if (mForegroundColor != color \|\| mForegroundColor2 != color)
211			mTextChanged = true;
212			// logger->log("Label::setForegroundColor: " + mCaption);
213			mForegroundColor = color;
214			mForegroundColor2 = color;
215			}
216
217		68	void Label::setForegroundColorAll(const Color &color1,
218			const Color &color2)
219			{
220	✓✓✗✓ ✓✓	138	if (mForegroundColor != color1 \|\| mForegroundColor2 != color2)
221		66	mTextChanged = true;
222			// logger->log("Label::setForegroundColorAll: " + mCaption);
223		68	mForegroundColor = color1;
224		68	mForegroundColor2 = color2;
225		68	}
226
227		9	void Label::resizeTo(const int maxSize, const int minSize)
228			{
229		9	const Font *const font = getFont();
230		9	const int pad2 = 2 * mPadding;
231		9	setHeight(font->getHeight() + pad2);
232
233	✗✓	9	if (font->getWidth(mCaption) + pad2 > maxSize)
234			{
235			const int dots = font->getWidth("...");
236			if (dots > maxSize)
237			{
238			setWidth(maxSize);
239			return;
240			}
241			const size_t szChars = mCaption.size();
242			for (size_t f = 1; f < szChars - 1; f ++)
243			{
244			const std::string text = mCaption.substr(0, szChars - f);
245			const int width = font->getWidth(text) + dots + pad2;
246			if (width <= maxSize)
247			{
248			setCaption(text + "...");
249			setWidth(width);
250			return;
251			}
252			}
253			setWidth(maxSize);
254			}
255			else
256			{
257		9	int sz = font->getWidth(mCaption) + pad2;
258	✗✓	9	if (sz < minSize)
259			sz = minSize;
260		9	setWidth(sz);
261			}
262			}
263
264		158	void Label::setCaption(const std::string& caption)
265			{
266	✓✓	316	if (caption != mCaption)
267		129	mTextChanged = true;
268		316	mCaption = caption;
269		158	}
270
271		621	void Label::setParent(Widget *const widget)
272			{
273	✓✓	621	if (mWindow != nullptr)
274		613	mWindow->addWidgetListener(this);
275		1242	Widget::setParent(widget);
276		621	}
277
278		12	void Label::setWindow(Widget *const widget)
279			{
280	✓✓✓✗	12	if ((widget == nullptr) && (mWindow != nullptr))
281			{
282		6	mWindow->removeWidgetListener(this);
283		6	mWindow = nullptr;
284			}
285			else
286			{
287		6	Widget2::setWindow(widget);
288			}
289		12	}
290
291		1	void Label::widgetHidden(const Event &event A_UNUSED)
292			{
293		1	mTextChanged = true;
294		1	mTextChunk.deleteImage();
295		1	}
296
297		127	void Label::finalCleanup()
298			{
299		127	mSkin = nullptr;
300		127	}