tdesktop/Telegram/SourceFiles/gui/style_core.h

300 lines
7.6 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) 2014-2015 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "gui/animation.h"
#include <QtCore/QString>
#include <QtGui/QColor>
#include <QtCore/QPoint>
#include <QtCore/QRect>
#include <QtGui/QCursor>
#include <QtGui/QFont>
inline QPoint rtlpoint(int x, int y, int outerw) {
return QPoint(rtl() ? (outerw - x) : x, y);
}
inline QPoint rtlpoint(const QPoint &p, int outerw) {
return rtl() ? QPoint(outerw - p.x(), p.y()) : p;
}
inline QRect rtlrect(int x, int y, int w, int h, int outerw) {
return QRect(rtl() ? (outerw - x - w) : x, y, w, h);
}
inline QRect rtlrect(const QRect &r, int outerw) {
return rtl() ? QRect(outerw - r.x() - r.width(), r.y(), r.width(), r.height()) : r;
}
inline QRect centerrect(const QRect &inRect, const QRect &rect) {
return QRect(inRect.x() + (inRect.width() - rect.width()) / 2, inRect.y() + (inRect.height() - rect.height()) / 2, rect.width(), rect.height());
}
namespace style {
class FontData;
class Font {
public:
Font(Qt::Initialization = Qt::Uninitialized) : ptr(0) {
}
Font(uint32 size, uint32 flags, const QString &family);
Font(uint32 size, uint32 flags = 0, uint32 family = 0);
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;
}
private:
FontData *ptr;
void init(uint32 size, uint32 flags, uint32 family, Font *modified);
friend void startManager();
Font(FontData *p) : ptr(p) {
}
Font(uint32 size, uint32 flags, uint32 family, Font *modified);
friend class FontData;
};
enum FontFlagBits {
FontBoldBit,
FontItalicBit,
FontUnderlineBit,
FontFlagsBits
};
enum FontFlags {
FontBold = (1 << FontBoldBit),
FontItalic = (1 << FontItalicBit),
FontUnderline = (1 << FontUnderlineBit),
FontDifferentFlags = (1 << FontFlagsBits)
};
inline uint32 _fontKey(uint32 size, uint32 flags, uint32 family) {
return (((family << 10) | size) << FontFlagsBits) | flags;
}
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;
uint32 size() const;
uint32 flags() const;
uint32 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(uint32 size, uint32 flags, uint32 family, Font *other);
friend class Font;
uint32 _size, _flags, _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();
}
class ColorData;
class Color {
public:
Color(Qt::Initialization = Qt::Uninitialized) : ptr(0), owner(false) {
}
Color(const Color &c);
Color(const QColor &c);
Color(uchar r, uchar g, uchar b, uchar a = 255);
Color &operator=(const Color &c);
~Color();
void set(const QColor &newv);
void set(uchar r, uchar g, uchar b, uchar a = 255);
ColorData *operator->() const {
return ptr;
}
ColorData *v() const {
return ptr;
}
operator bool() const {
return !!ptr;
}
private:
ColorData *ptr;
bool owner;
void init(uchar r, uchar g, uchar b, uchar a);
friend void startManager();
Color(ColorData *p) : ptr(p) {
}
friend class ColorData;
};
inline uint32 _colorKey(uchar r, uchar g, uchar b, uchar a) {
return (((((uint32(r) << 8) | uint32(g)) << 8) | uint32(b)) << 8) | uint32(a);
}
class ColorData {
public:
QColor c;
QPen p;
QBrush b;
private:
ColorData(uchar r, uchar g, uchar b, uchar a);
void set(const QColor &c);
friend class Color;
};
inline bool operator==(const Color &a, const Color &b) {
return a->c == b->c;
}
inline bool operator!=(const Color &a, const Color &b) {
return a->c != b->c;
}
typedef QVector<QString> FontFamilies;
extern FontFamilies _fontFamilies;
typedef QMap<uint32, FontData*> FontDatas;
extern FontDatas _fontsMap;
typedef QMap<uint32, ColorData*> ColorDatas;
extern ColorDatas _colorsMap;
extern int _spriteWidth;
typedef float64 number;
typedef QString string;
typedef QRect rect;
class sprite : public rect {
public:
sprite() {
}
sprite(int left, int top, int width, int height) : rect(rtl() ? (_spriteWidth - left - width) : left, top, width, height) {
}
inline int pxWidth() const {
return rect::width() / cIntRetinaFactor();
}
inline int pxHeight() const {
return rect::height() / cIntRetinaFactor();
}
inline QSize pxSize() const {
return rect::size() / cIntRetinaFactor();
}
private:
inline int width() const {
return rect::width();
}
inline int height() const {
return rect::height();
}
inline QSize size() const {
return rect::size();
}
};
typedef QPoint point;
typedef QSize size;
typedef anim::transition transition;
typedef Qt::CursorShape cursor;
static const cursor cur_default(Qt::ArrowCursor);
static const cursor cur_pointer(Qt::PointingHandCursor);
static const cursor cur_text(Qt::IBeamCursor);
static const cursor cur_cross(Qt::CrossCursor);
static const cursor cur_sizever(Qt::SizeVerCursor);
static const cursor cur_sizehor(Qt::SizeHorCursor);
static const cursor cur_sizebdiag(Qt::SizeBDiagCursor);
static const cursor cur_sizefdiag(Qt::SizeFDiagCursor);
static const cursor cur_sizeall(Qt::SizeAllCursor);
typedef Qt::Alignment align;
static const align al_topleft(Qt::AlignTop | Qt::AlignLeft);
static const align al_top(Qt::AlignTop | Qt::AlignHCenter);
static const align al_topright(Qt::AlignTop | Qt::AlignRight);
static const align al_right(Qt::AlignVCenter | Qt::AlignRight);
static const align al_bottomright(Qt::AlignBottom | Qt::AlignRight);
static const align al_bottom(Qt::AlignBottom | Qt::AlignHCenter);
static const align al_bottomleft(Qt::AlignBottom | Qt::AlignLeft);
static const align al_left(Qt::AlignVCenter | Qt::AlignLeft);
static const align al_center(Qt::AlignVCenter | Qt::AlignHCenter);
typedef QMargins margins;
typedef Font font;
typedef Color color;
void startManager();
void stopManager();
};
inline QRect centersprite(const QRect &inRect, const style::sprite &sprite) {
return centerrect(inRect, QRect(QPoint(0, 0), sprite.pxSize()));
}