minetest/src/gui/StyleSpec.h

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/*
Minetest
Copyright (C) 2019 rubenwardy
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "client/tile.h" // ITextureSource
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#include "irrlichttypes_extrabloated.h"
#include "util/string.h"
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#include <array>
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#pragma once
class StyleSpec
{
public:
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enum Property
{
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TEXTCOLOR,
BGCOLOR,
BGCOLOR_HOVERED,
BGCOLOR_PRESSED,
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NOCLIP,
BORDER,
BGIMG,
BGIMG_HOVERED,
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BGIMG_PRESSED,
FGIMG,
FGIMG_HOVERED,
FGIMG_PRESSED,
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ALPHA,
NUM_PROPERTIES,
NONE
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};
private:
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std::array<bool, NUM_PROPERTIES> property_set;
std::array<std::string, NUM_PROPERTIES> properties;
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public:
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static Property GetPropertyByName(const std::string &name)
{
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if (name == "textcolor") {
return TEXTCOLOR;
} else if (name == "bgcolor") {
return BGCOLOR;
} else if (name == "bgcolor_hovered") {
return BGCOLOR_HOVERED;
} else if (name == "bgcolor_pressed") {
return BGCOLOR_PRESSED;
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} else if (name == "noclip") {
return NOCLIP;
} else if (name == "border") {
return BORDER;
} else if (name == "bgimg") {
return BGIMG;
} else if (name == "bgimg_hovered") {
return BGIMG_HOVERED;
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} else if (name == "bgimg_pressed") {
return BGIMG_PRESSED;
} else if (name == "fgimg") {
return FGIMG;
} else if (name == "fgimg_hovered") {
return FGIMG_HOVERED;
} else if (name == "fgimg_pressed") {
return FGIMG_PRESSED;
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} else if (name == "alpha") {
return ALPHA;
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} else {
return NONE;
}
}
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std::string get(Property prop, std::string def) const
{
const auto &val = properties[prop];
return val.empty() ? def : val;
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}
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void set(Property prop, const std::string &value)
{
properties[prop] = value;
property_set[prop] = true;
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}
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video::SColor getColor(Property prop, video::SColor def) const
{
const auto &val = properties[prop];
if (val.empty()) {
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return def;
}
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parseColorString(val, def, false, 0xFF);
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return def;
}
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video::SColor getColor(Property prop) const
{
const auto &val = properties[prop];
FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
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video::SColor color;
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parseColorString(val, color, false, 0xFF);
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return color;
}
video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc,
video::ITexture *def) const
{
const auto &val = properties[prop];
if (val.empty()) {
return def;
}
video::ITexture *texture = tsrc->getTexture(val);
return texture;
}
video::ITexture *getTexture(Property prop, ISimpleTextureSource *tsrc) const
{
const auto &val = properties[prop];
FATAL_ERROR_IF(val.empty(), "Unexpected missing property");
video::ITexture *texture = tsrc->getTexture(val);
return texture;
}
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bool getBool(Property prop, bool def) const
{
const auto &val = properties[prop];
if (val.empty()) {
return def;
}
return is_yes(val);
}
inline bool isNotDefault(Property prop) const
{
return !properties[prop].empty();
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}
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inline bool hasProperty(Property prop) const { return property_set[prop]; }
StyleSpec &operator|=(const StyleSpec &other)
{
for (size_t i = 0; i < NUM_PROPERTIES; i++) {
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auto prop = (Property)i;
if (other.hasProperty(prop)) {
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set(prop, other.get(prop, ""));
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}
}
return *this;
}
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StyleSpec operator|(const StyleSpec &other) const
{
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StyleSpec newspec = *this;
newspec |= other;
return newspec;
}
};