summaryrefslogtreecommitdiff
path: root/src/gui/skin.cpp
blob: 10b9885a57b1ee9e416e880af083c9d9827fb55d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
/*
 *  Aethyra
 *  Copyright (C) 2009  Aethyra Development Team
 *
 *  This file is part of Aethyra.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <algorithm>

#include "skin.h"

#include "../configuration.h"
#include "../configlistener.h"
#include "../log.h"

#include "../resources/image.h"
#include "../resources/resourcemanager.h"

#include "../utils/dtor.h"
#include "../utils/strprintf.h"
#include "../utils/xml.h"

SkinLoader* skinLoader = NULL;
ConfigListener *SkinLoader::skinConfigListener = NULL;

class SkinConfigListener : public ConfigListener
{
    void optionChanged(const std::string &)
    {
        if (skinLoader)
            skinLoader->updateAlpha();
    }
};

Skin::Skin(ImageRect skin, Image* close, std::string filePath, std::string name):
    instances(0),
    mFilePath(filePath),
    mName(name),
    border(skin),
    closeImage(close)
{
}

Skin::~Skin()
{
    // Clean up static resources
    for (int i = 0; i < 9; i++)
    {
        delete border.grid[i];
        border.grid[i] = NULL;
    }

    closeImage->decRef();
}

void Skin::updateAlpha()
{
    const float alpha = config.getValue("guialpha", 0.8);

    for_each(border.grid, border.grid + 9,
             std::bind2nd(std::mem_fun(&Image::setAlpha), alpha));
    closeImage->setAlpha(alpha);
}

int Skin::getMinWidth() const
{
    return (border.grid[0]->getWidth() + border.grid[1]->getWidth()) +
            border.grid[2]->getWidth();
}

int Skin::getMinHeight() const
{
    return (border.grid[0]->getHeight() + border.grid[3]->getHeight()) +
            border.grid[6]->getHeight();
}

Skin* SkinLoader::load(const std::string &filename,
                       const std::string &defaultPath)
{
    std::string filePath = filename;

    ResourceManager *resman = ResourceManager::getInstance();

    logger->log("Loading Skin '%s'.", filename.c_str());

    if (filename.empty() && defaultPath.empty())
        logger->error("SkinLoader::load(): Invalid File Name.");

    XML::Document *doc = new XML::Document(filePath);
    xmlNodePtr rootNode = doc->rootNode();

    if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "skinset"))
    {
        filePath = defaultPath;

        logger->log("Widget Skinning error. Loading '%s' instead.",
                    filePath.c_str());

        delete doc;

        doc = new XML::Document(filePath);
        rootNode = doc->rootNode();
        if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "skinset"))
        {
            logger->error(strprintf("Skinning failed. Check this skin file "
                                    "to make sure it's valid: %s",
                                    filePath.c_str()));
        }
    }

    SkinIterator skinIterator = mSkins.find(filePath);

    if (mSkins.end() != skinIterator)
    {
        skinIterator->second->instances++;
        return skinIterator->second;
    }

    std::string skinSetImage;
    skinSetImage = XML::getProperty(rootNode, "image", "");
    Image *dBorders = NULL;
    ImageRect border;

    if (!skinSetImage.empty())
    {
        logger->log("SkinLoader::load(): <skinset> defines "
                    "'%s' as a skin image.", skinSetImage.c_str());
        dBorders = resman->getImage("graphics/gui/" + skinSetImage);
    }
    else
    {
        logger->error("SkinLoader::load(): Skinset does not define an image!");
    }

    //iterate <widget>'s
    for_each_xml_child_node(widgetNode, rootNode)
    {
        if (!xmlStrEqual(widgetNode->name, BAD_CAST "widget"))
            continue;

        std::string widgetType;
        widgetType = XML::getProperty(widgetNode, "type", "unknown");
        if (widgetType == "Window")
        {
            // Iterate through <part>'s
            // LEEOR / TODO:
            // We need to make provisions to load in a CloseButton image. For 
            // now it can just be hard-coded.
            for_each_xml_child_node(partNode, widgetNode)
            {
                if (!xmlStrEqual(partNode->name, BAD_CAST "part"))
                    continue;

                std::string partType;
                partType = XML::getProperty(partNode, "type", "unknown");
                // TOP ROW
                const int xPos = XML::getProperty(partNode, "xpos", 0);
                const int yPos = XML::getProperty(partNode, "ypos", 0);
                const int width = XML::getProperty(partNode, "width", 1);
                const int height = XML::getProperty(partNode, "height", 1);

                if (partType == "top-left-corner")
                    border.grid[0] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "top-edge")
                    border.grid[1] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "top-right-corner")
                    border.grid[2] = dBorders->getSubImage(xPos, yPos, width, height);

                // MIDDLE ROW
                else if (partType == "left-edge")
                    border.grid[3] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "bg-quad")
                    border.grid[4] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "right-edge")
                    border.grid[5] = dBorders->getSubImage(xPos, yPos, width, height);

                // BOTTOM ROW
                else if (partType == "bottom-left-corner")
                    border.grid[6] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "bottom-edge")
                    border.grid[7] = dBorders->getSubImage(xPos, yPos, width, height);
                else if (partType == "bottom-right-corner")
                    border.grid[8] = dBorders->getSubImage(xPos, yPos, width, height);

                // Part is of an uknown type.
                else
                    logger->log("SkinLoader::load(): Unknown Part Type '%s'", partType.c_str());
            }
        }
        // Widget is of an uknown type.
        else
        {
            logger->log("SkinLoader::load(): Unknown Widget Type '%s'", widgetType.c_str());
        }
    }
    dBorders->decRef();

    logger->log("Finished loading Skin.");

    delete doc;

    // Hard-coded for now until we update the above code to look for window buttons.
    Image* closeImage = resman->getImage("graphics/gui/close_button.png");

    Skin* skin = new Skin(border, closeImage, filename);

    mSkins[filename] = skin;

    updateAlpha();

    return skin;
}

SkinLoader::SkinLoader() :
    mSkins()
{
    skinConfigListener = new SkinConfigListener();
    // Send GUI alpha changed for initialization
    skinConfigListener->optionChanged("guialpha");
    config.addListener("guialpha", skinConfigListener);
}

SkinLoader::~SkinLoader()
{
    delete_all(mSkins);
    config.removeListener("guialpha", skinConfigListener);
    delete skinConfigListener;
    skinConfigListener = NULL;
}

void SkinLoader::updateAlpha()
{
    for (SkinIterator iter = mSkins.begin(); iter != mSkins.end(); ++iter)
    {
        iter->second->updateAlpha();
    }
}