tdesktop/Telegram/SourceFiles/ui/widgets/shadow.h

117 lines
2.7 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.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "styles/style_widgets.h"
namespace Ui {
class PlainShadow : public TWidget {
public:
PlainShadow(QWidget *parent, const style::color &color) : TWidget(parent), _color(color) {
}
protected:
void paintEvent(QPaintEvent *e) override {
Painter(this).fillRect(e->rect(), _color->b);
}
private:
const style::color &_color;
};
class ToggleableShadow : public TWidget {
public:
ToggleableShadow(QWidget *parent, const style::color &color) : TWidget(parent), _color(color) {
}
enum class Mode {
Shown,
ShownFast,
Hidden,
HiddenFast
};
void setMode(Mode mode);
bool isFullyShown() const {
return _shown && !_a_opacity.animating();
}
protected:
void paintEvent(QPaintEvent *e) override;
private:
const style::color &_color;
FloatAnimation _a_opacity;
bool _shown = true;
};
class GradientShadow : public TWidget {
public:
GradientShadow(QWidget *parent, const style::icon &icon) : TWidget(parent), _icon(icon) {
}
protected:
int resizeGetHeight(int newWidth) override {
return _icon.height();
}
void paintEvent(QPaintEvent *e) override {
Painter p(this);
_icon.fill(p, e->rect());
}
private:
const style::icon &_icon;
};
class Shadow : public TWidget {
public:
enum class Side {
Left = 0x01,
Top = 0x02,
Right = 0x04,
Bottom = 0x08,
};
Q_DECLARE_FLAGS(Sides, Side);
Q_DECLARE_FRIEND_OPERATORS_FOR_FLAGS(Sides);
Shadow(QWidget *parent, const style::Shadow &st, Sides sides = Side::Left | Side::Top | Side::Right | Side::Bottom) : TWidget(parent)
, _st(st)
, _sides(sides) {
}
static void paint(Painter &p, const QRect &box, int outerWidth, const style::Shadow &st, Sides sides = Side::Left | Side::Top | Side::Right | Side::Bottom);
protected:
void paintEvent(QPaintEvent *e) override {
Painter p(this);
paint(p, rect().marginsRemoved(_st.extend), width(), _st, _sides);
}
private:
const style::Shadow &_st;
Sides _sides;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(Shadow::Sides);
} // namespace Ui