302 lines
9.9 KiB
C++
302 lines
9.9 KiB
C++
#ifndef SPLITVIEW_H
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#define SPLITVIEW_H
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#include "SplitView_global.h"
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#include <QHash>
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#include <QIcon>
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#include <QLabel>
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#include <QWidget>
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namespace SplitFrame {
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class SplitRect;
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class ViewPresent;
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class BaseView;
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/**
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* @brief 承接堆放操作及设定摆放位置
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*/
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class SPLITVIEW_EXPORT AttachPanel : public QWidget {
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enum class ActiveArea { LEFT, RIGHT, TOP, BOTTOM, CENTER, NONE };
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public:
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AttachPanel(ViewPresent *host);
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void bindAttachment(BaseView *widget);
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BaseView *attachmentTarget() const;
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virtual void paintEvent(QPaintEvent *event) override;
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virtual void dragMoveEvent(QDragMoveEvent *event) override;
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virtual void dragEnterEvent(QDragEnterEvent *event) override;
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virtual void dropEvent(QDropEvent *event) override;
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private:
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ViewPresent *const adjust_host;
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BaseView *current_target;
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ActiveArea active_comp;
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std::tuple<QRectF, QRectF, QRectF, QRectF, QRectF> view_rects() const;
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};
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enum class SplitType { SPLIT_H = 0, SPLIT_V = 1 };
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class RectCom {
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public:
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virtual ~RectCom() = default;
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virtual ViewPresent *viewPanel() const = 0;
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virtual QWidget *bind() const = 0;
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virtual bool contains(QWidget *ptr) const = 0;
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virtual QRectF outline() const = 0;
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virtual void relayout(const QRectF &outline) = 0;
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virtual void setParentRect(SplitRect *inst) = 0;
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virtual SplitRect *parentRect() const = 0;
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virtual void paintEvent(QPaintEvent *ev) = 0;
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};
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class ResManager {
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public:
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virtual ~ResManager() = default;
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virtual void objsRelateRebuild() = 0;
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virtual void markFreedom(BaseView *view) = 0;
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virtual void markUnused(SplitRect *item) = 0;
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virtual void unusedResRelease() = 0;
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};
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/**
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* @brief 分裂视图规划和约束组件
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*/
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class SplitRect : public RectCom {
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public:
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virtual ~SplitRect() = default;
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virtual std::pair<RectCom *, RectCom *> child() const = 0;
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virtual void removeComp(BaseView *child) = 0;
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virtual void replaceComp(RectCom *view, RectCom *old) = 0;
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virtual float splitterWidth() const = 0;
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virtual float splitterPos() const = 0;
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virtual SplitType splitType() const = 0;
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virtual void setSplitInfo(SplitType type, float pos, float width, bool relayout = true) = 0;
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};
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/**
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* @brief 分割视图
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*/
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class SPLITVIEW_EXPORT SplitView : public QWidget, public SplitRect {
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public:
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SplitView(RectCom *first, RectCom *next, QWidget *parent = nullptr);
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virtual ~SplitView();
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// RectCom interface
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public:
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virtual QWidget *bind() const override;
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virtual ViewPresent *viewPanel() const override;
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virtual QRectF outline() const override;
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virtual void relayout(const QRectF &outline) override;
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virtual void setParentRect(SplitRect *inst) override;
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virtual SplitRect *parentRect() const override;
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virtual void paintEvent(QPaintEvent *ev) override;
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virtual bool contains(QWidget *ptr) const override;
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// SplitRect interface
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public:
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virtual std::pair<RectCom *, RectCom *> child() const override;
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virtual void removeComp(BaseView *child) override;
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virtual void replaceComp(RectCom *view, RectCom *old) override;
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virtual float splitterWidth() const override;
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virtual float splitterPos() const override;
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virtual SplitType splitType() const override;
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virtual void setSplitInfo(SplitType type, float pos, float width, bool relayout) override;
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// QObject interface
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public:
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virtual bool eventFilter(QObject *watched, QEvent *event) override;
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// QWidget interface
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protected:
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseReleaseEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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virtual void resizeEvent(QResizeEvent *event) override;
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private:
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SplitRect *parent_inst;
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QList<RectCom *> child_store;
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// type, pos, width
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std::tuple<SplitType, float, float> split_info_value;
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bool press_flags = false, drags_flag = false;
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virtual void relayout();
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std::pair<QRectF, QRectF> viewRects();
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QRectF handleRect() const;
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};
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class DragHeader : public QFrame {
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public:
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DragHeader(BaseView *bind);
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void setIcon(const QIcon &icon);
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QIcon icon() const;
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void setText(const QString &title);
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QString text() const;
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private:
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QIcon icon_inst;
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QLabel *const icon_store, *const title_store;
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BaseView *const view_core;
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std::tuple<bool, QPointF> press_flag = std::make_tuple(false, QPointF());
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// QWidget interface
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protected:
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseReleaseEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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};
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/**
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* @brief 基础内容视图组件
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*/
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class SPLITVIEW_EXPORT BaseView : public QWidget, public RectCom {
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friend class ViewPresent;
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public:
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BaseView(const QString &title, QWidget *view, bool empty = false, QWidget *parent = nullptr);
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virtual void setTitle(const QString &title);
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virtual QString title() const;
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virtual void setIcon(const QIcon &icon);
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virtual QIcon viewIcon() const;
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virtual void closeView();
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virtual bool contains(QWidget *inst) const override;
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// RectCom interface
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public:
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virtual QWidget *bind() const override;
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virtual ViewPresent *viewPanel() const override;
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virtual QRectF outline() const override;
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virtual void relayout(const QRectF &outline) override;
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virtual void setParentRect(SplitRect *inst) override;
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virtual SplitRect *parentRect() const override;
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virtual void paintEvent(QPaintEvent *ev) override;
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private:
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DragHeader *title_header;
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SplitRect *parent_store;
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QList<QWidget *> comps_list;
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protected:
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virtual void installPerceptionHandle(ViewPresent *obj);
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virtual void registComp(QWidget *child);
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};
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class FreedomViewsListener {
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public:
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virtual ~FreedomViewsListener() = default;
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/**
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* @brief 闲置视图增加
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* @param ins
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*/
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virtual void freedomAppended(RectCom *ins) = 0;
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/**
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* @brief 闲置视图减少
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* @param ins
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*/
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virtual void freedomRemoved(RectCom *ins) = 0;
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};
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/**
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* @brief 分裂视图呈现组件
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*/
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class SPLITVIEW_EXPORT ViewPresent : public QWidget, public SplitRect, public ResManager {
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public:
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ViewPresent(QWidget *parent = nullptr);
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virtual ~ViewPresent();
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void addListener(FreedomViewsListener *lsn);
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void removeListener(FreedomViewsListener *lsn);
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//======================================================
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void registViewComp(BaseView *it);
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//======================================================
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virtual void markFreedom(BaseView *view) override;
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void setTempVisible(BaseView *target = nullptr);
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/**
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* @brief 切换视图调整状态
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* @param state 状态开关
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*/
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void setViewAdjust(BaseView *one = nullptr);
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bool adjustState() const;
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BaseView *adjustView() const;
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void resetViews(RectCom *center, RectCom *extend = nullptr);
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// RectCom interface
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public:
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virtual ViewPresent *viewPanel() const override;
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virtual QWidget *bind() const override;
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virtual bool contains(QWidget *ptr) const override;
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virtual QRectF outline() const override;
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virtual void relayout(const QRectF &outline) override;
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virtual void setParentRect(SplitRect *) override;
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virtual SplitRect *parentRect() const override;
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// ResManager interface
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public:
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virtual void objsRelateRebuild() override;
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virtual void markUnused(SplitRect *item) override;
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virtual void unusedResRelease() override;
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// SplitRect interface
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public:
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virtual std::pair<RectCom *, RectCom *> child() const override;
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virtual void removeComp(BaseView *child) override;
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virtual void replaceComp(RectCom *view, RectCom *old) override;
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virtual float splitterWidth() const override;
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virtual float splitterPos() const override;
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virtual SplitType splitType() const override;
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virtual void setSplitInfo(SplitType type, float pos, float width, bool relayout) override;
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// QObject interface
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public:
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virtual bool eventFilter(QObject *watched, QEvent *event) override;
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// QWidget interface
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protected:
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virtual void paintEvent(QPaintEvent *ev) override;
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virtual void resizeEvent(QResizeEvent *ev) override;
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virtual void mousePressEvent(QMouseEvent *event) override;
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virtual void mouseReleaseEvent(QMouseEvent *event) override;
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virtual void mouseMoveEvent(QMouseEvent *event) override;
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private:
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AttachPanel *const accept_panel;
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QList<SplitRect *> unused_splits;
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BaseView *adjust_view_temp; // 拖拽中转
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bool press_flags = false; // 空间调整标志
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// 方向，splitter位置，splitter宽度
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std::tuple<SplitType, float, float> split_info_store = std::make_tuple(SplitType::SPLIT_H, 200, 8);
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QList<RectCom *> view_anchors;
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QList<BaseView *> all_sep_views;
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QList<FreedomViewsListener *> lsn_list;
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QList<RectCom *> freedom_views;
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RectCom *temp_visible_view = nullptr;
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virtual void relayout();
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std::pair<QRectF, QRectF> viewRects();
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QRectF handleRect() const;
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};
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} // namespace SplitFrame
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#endif // SPLITVIEW_H
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