130 lines
2.9 KiB
C++
130 lines
2.9 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
the official desktop version of Telegram messaging app, see https://telegram.org
|
|
|
|
Telegram Desktop 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
It 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.
|
|
|
|
In addition, as a special exception, the copyright holders give permission
|
|
to link the code of portions of this program with the OpenSSL library.
|
|
|
|
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
|
|
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
|
|
*/
|
|
#pragma once
|
|
|
|
namespace style {
|
|
namespace internal {
|
|
|
|
void destroyFonts();
|
|
int registerFontFamily(const QString &family);
|
|
|
|
class FontData;
|
|
class Font {
|
|
public:
|
|
Font(Qt::Initialization = Qt::Uninitialized) : ptr(0) {
|
|
}
|
|
Font(int size, uint32 flags, const QString &family);
|
|
Font(int size, uint32 flags, int family);
|
|
|
|
Font &operator=(const Font &other) {
|
|
ptr = other.ptr;
|
|
return (*this);
|
|
}
|
|
|
|
FontData *operator->() const {
|
|
return ptr;
|
|
}
|
|
FontData *v() const {
|
|
return ptr;
|
|
}
|
|
|
|
operator bool() const {
|
|
return !!ptr;
|
|
}
|
|
|
|
operator const QFont &() const;
|
|
|
|
private:
|
|
FontData *ptr;
|
|
|
|
void init(int size, uint32 flags, int family, Font *modified);
|
|
friend void startManager();
|
|
|
|
Font(FontData *p) : ptr(p) {
|
|
}
|
|
Font(int size, uint32 flags, int family, Font *modified);
|
|
friend class FontData;
|
|
|
|
};
|
|
|
|
enum FontFlags {
|
|
FontBold = 0x01,
|
|
FontItalic = 0x02,
|
|
FontUnderline = 0x04,
|
|
|
|
FontDifferentFlags = 0x08,
|
|
};
|
|
|
|
class FontData {
|
|
public:
|
|
|
|
int32 width(const QString &str) const {
|
|
return m.width(str);
|
|
}
|
|
int32 width(const QString &str, int32 from, int32 to) const {
|
|
return width(str.mid(from, to));
|
|
}
|
|
int32 width(QChar ch) const {
|
|
return m.width(ch);
|
|
}
|
|
QString elided(const QString &str, int32 width, Qt::TextElideMode mode = Qt::ElideRight) const {
|
|
return m.elidedText(str, mode, width);
|
|
}
|
|
|
|
Font bold(bool set = true) const;
|
|
Font italic(bool set = true) const;
|
|
Font underline(bool set = true) const;
|
|
|
|
int size() const;
|
|
uint32 flags() const;
|
|
int family() const;
|
|
|
|
QFont f;
|
|
QFontMetrics m;
|
|
int32 height, ascent, descent, spacew, elidew;
|
|
|
|
private:
|
|
mutable Font modified[FontDifferentFlags];
|
|
|
|
Font otherFlagsFont(uint32 flag, bool set) const;
|
|
FontData(int size, uint32 flags, int family, Font *other);
|
|
|
|
friend class Font;
|
|
int _size;
|
|
uint32 _flags;
|
|
int _family;
|
|
|
|
};
|
|
|
|
inline bool operator==(const Font &a, const Font &b) {
|
|
return a.v() == b.v();
|
|
}
|
|
inline bool operator!=(const Font &a, const Font &b) {
|
|
return a.v() != b.v();
|
|
}
|
|
|
|
inline Font::operator const QFont &() const {
|
|
return ptr->f;
|
|
}
|
|
|
|
} // namespace internal
|
|
} // namespace style
|