136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
#pragma once
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#include "modern-qt/utility/theme/theme.hh"
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#include "modern-qt/utility/trait/widget.hh"
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#include "modern-qt/utility/wrapper/common.hh"
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#include "modern-qt/utility/wrapper/property.hh"
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#include "modern-qt/widget/widget.hh"
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#include <qscrollarea.h>
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#include <qscrollbar.h>
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namespace creeper::scroll::internal {
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/// NOTE: 先拿 qss 勉强用着吧，找时间完全重构
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class ScrollArea : public QScrollArea {
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public:
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explicit ScrollArea() noexcept {
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viewport()->setStyleSheet("background:transparent;");
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setStyleSheet("QScrollArea{background:transparent;}");
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setWidgetResizable(true);
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}
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void set_color_scheme(const ColorScheme& scheme) {
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constexpr auto q = [](const QColor& c, int a = 255) {
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return QString("rgba(%1,%2,%3,%4)").arg(c.red()).arg(c.green()).arg(c.blue()).arg(a);
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};
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verticalScrollBar()->setStyleSheet(QString {
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"QScrollBar:vertical{background:transparent;width:8px;border-radius:4px;}"
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"QScrollBar::handle:vertical{background:%1;min-height:20px;border-radius:4px;}"
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"QScrollBar::handle:vertical:hover{background:%2;}"
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"QScrollBar::handle:vertical:pressed{background:%3;}"
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"QScrollBar::add-line:vertical,QScrollBar::sub-line:vertical,"
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"QScrollBar::add-page:vertical,QScrollBar::sub-page:vertical{height:0px;}",
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}
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.arg(q(scheme.primary, 235))
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.arg(q(scheme.primary))
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.arg(q(scheme.primary.darker(110))));
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horizontalScrollBar()->setStyleSheet(QString {
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"QScrollBar:horizontal{background:transparent;height:8px;border-radius:4px;}"
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"QScrollBar::handle:horizontal{background:%1;min-width:20px;border-radius:4px;}"
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"QScrollBar::handle:horizontal:hover{background:%2;}"
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"QScrollBar::handle:horizontal:pressed{background:%3;}"
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"QScrollBar::add-line:horizontal,QScrollBar::sub-line:horizontal,"
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"QScrollBar::add-page:horizontal,QScrollBar::sub-page:horizontal{width:0px;}",
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}
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.arg(q(scheme.primary, 235))
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.arg(q(scheme.primary))
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.arg(q(scheme.primary.darker(110))));
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}
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void load_theme_manager(ThemeManager& manager) {
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manager.append_handler(this,
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[this](const ThemeManager& manager) { set_color_scheme(manager.color_scheme()); });
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}
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};
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}
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namespace creeper::scroll::pro {
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using Token = common::Token<internal::ScrollArea>;
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struct VerticalScrollBarPolicy : Token {
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Qt::ScrollBarPolicy policy;
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explicit VerticalScrollBarPolicy(Qt::ScrollBarPolicy policy) noexcept
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: policy { policy } { }
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auto apply(auto& self) const noexcept -> void { //
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self.setVerticalScrollBarPolicy(policy);
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}
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};
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struct HorizontalScrollBarPolicy : Token {
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Qt::ScrollBarPolicy policy;
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explicit HorizontalScrollBarPolicy(Qt::ScrollBarPolicy policy) noexcept
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: policy { policy } { }
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auto apply(auto& self) const noexcept -> void { //
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self.setHorizontalScrollBarPolicy(policy);
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}
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};
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struct ScrollBarPolicy : Token {
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Qt::ScrollBarPolicy v;
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Qt::ScrollBarPolicy h;
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explicit ScrollBarPolicy(Qt::ScrollBarPolicy v, Qt::ScrollBarPolicy h) noexcept
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: v { v }
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, h { h } { }
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auto apply(auto& self) const noexcept -> void {
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self.setVerticalScrollBarPolicy(v);
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self.setHorizontalScrollBarPolicy(h);
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}
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};
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template <item_trait T>
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struct Item : Token {
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T* item_pointer = nullptr;
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explicit Item(auto&&... args) noexcept
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requires std::constructible_from<T, decltype(args)...>
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: item_pointer { new T { std::forward<decltype(args)>(args)... } } { }
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explicit Item(T* pointer) noexcept
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: item_pointer { pointer } { }
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auto apply(area_trait auto& layout) const noexcept -> void {
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if constexpr (widget_trait<T>) {
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layout.setWidget(item_pointer);
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}
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// NOTE: 这里可能有调整的空间，直接设置 Layout，
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// 布局 Size 行为是不正确的
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else if constexpr (layout_trait<T>) {
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const auto content = new Widget {
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widget::pro::Layout { item_pointer },
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};
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layout.setWidget(content);
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}
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}
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};
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template <class T>
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concept trait = std::derived_from<T, Token>;
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CREEPER_DEFINE_CHECKER(trait);
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using namespace widget::pro;
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using namespace theme::pro;
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}
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namespace creeper {
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using ScrollArea = Declarative<scroll::internal::ScrollArea,
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CheckerOr<scroll::pro::checker, widget::pro::checker, theme::pro::checker>>;
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}
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