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https://invent.kde.org/marcoa/shift-shell.git
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0ce95a604a
SwipeArea requires 10px to differentiate between taps and swipes. HomeScreenState uses a further 10px to differentiate between vertical and horizontal swipes. This MR combines the swipe detection together so that we only need 10px rather than 20px for gesture detection.
417 lines
16 KiB
C++
417 lines
16 KiB
C++
// SPDX-FileCopyrightText: 2023 Devin Lin <devin@kde.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "qqml.h"
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#include <QObject>
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#include <QPropertyAnimation>
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#include <Plasma/Applet>
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#include "dragstate.h"
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#include "homescreen.h"
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class DragState;
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class HomeScreen;
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/**
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* @short The homescreen state, containing information on positioning panels as well as any swipe events.
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*
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* @author Devin Lin <devin@kde.org>
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*/
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class HomeScreenState : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(HomeScreenState::SwipeState swipeState READ swipeState NOTIFY swipeStateChanged)
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Q_PROPERTY(HomeScreenState::ViewState viewState READ viewState NOTIFY viewStateChanged)
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Q_PROPERTY(DragState *dragState READ dragState CONSTANT)
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Q_PROPERTY(qreal viewWidth READ viewWidth WRITE setViewWidth NOTIFY viewWidthChanged)
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Q_PROPERTY(qreal viewHeight READ viewHeight WRITE setViewHeight NOTIFY viewHeightChanged)
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Q_PROPERTY(qreal viewTopPadding READ viewTopPadding WRITE setViewTopPadding NOTIFY viewTopPaddingChanged)
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Q_PROPERTY(qreal viewBottomPadding READ viewBottomPadding WRITE setViewBottomPadding NOTIFY viewBottomPaddingChanged)
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Q_PROPERTY(qreal viewLeftPadding READ viewLeftPadding WRITE setViewLeftPadding NOTIFY viewLeftPaddingChanged)
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Q_PROPERTY(qreal viewRightPadding READ viewRightPadding WRITE setViewRightPadding NOTIFY viewRightPaddingChanged)
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Q_PROPERTY(HomeScreenState::PageOrientation pageOrientation READ pageOrientation NOTIFY pageOrientationChanged)
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Q_PROPERTY(HomeScreenState::FavouritesBarLocation favouritesBarLocation READ favouritesBarLocation NOTIFY favouritesBarLocationChanged)
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Q_PROPERTY(int pageRows READ pageRows NOTIFY pageRowsChanged)
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Q_PROPERTY(int pageColumns READ pageColumns NOTIFY pageColumnsChanged)
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// page measurements
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Q_PROPERTY(qreal pageViewX READ pageViewX WRITE setPageViewX NOTIFY pageViewXChanged)
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Q_PROPERTY(qreal pageWidth READ pageWidth WRITE setPageWidth NOTIFY pageWidthChanged)
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Q_PROPERTY(qreal pageHeight READ pageHeight WRITE setPageHeight NOTIFY pageHeightChanged)
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Q_PROPERTY(qreal pageContentWidth READ pageContentWidth NOTIFY pageContentWidthChanged)
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Q_PROPERTY(qreal pageContentHeight READ pageContentHeight NOTIFY pageContentHeightChanged)
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// cell measurements
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Q_PROPERTY(qreal pageCellWidth READ pageCellWidth NOTIFY pageCellWidthChanged)
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Q_PROPERTY(qreal pageCellHeight READ pageCellHeight NOTIFY pageCellHeightChanged)
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Q_PROPERTY(qreal pageDelegateLabelHeight READ pageDelegateLabelHeight WRITE setPageDelegateLabelHeight NOTIFY pageDelegateLabelHeightChanged)
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Q_PROPERTY(qreal pageDelegateLabelSpacing READ pageDelegateLabelSpacing WRITE setPageDelegateLabelSpacing NOTIFY pageDelegateLabelSpacingChanged)
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// folder measurements and state
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Q_PROPERTY(qreal folderViewX READ folderViewX WRITE setFolderViewX NOTIFY folderViewXChanged)
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Q_PROPERTY(qreal folderPageWidth READ folderPageWidth WRITE setFolderPageWidth NOTIFY folderPageWidthChanged)
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Q_PROPERTY(qreal folderPageHeight READ folderPageHeight WRITE setFolderPageHeight NOTIFY folderPageHeightChanged)
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Q_PROPERTY(qreal folderPageContentWidth READ folderPageContentWidth WRITE setFolderPageContentWidth NOTIFY folderPageContentWidthChanged)
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Q_PROPERTY(qreal folderPageContentHeight READ folderPageContentHeight WRITE setFolderPageContentHeight NOTIFY folderPageContentHeightChanged)
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Q_PROPERTY(qreal folderOpenProgress READ folderOpenProgress WRITE setFolderOpenProgress NOTIFY folderOpenProgressChanged)
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Q_PROPERTY(FolioApplicationFolder *currentFolder READ currentFolder NOTIFY currentFolderChanged)
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Q_PROPERTY(qreal settingsOpenProgress READ settingsOpenProgress WRITE setSettingsOpenProgress NOTIFY settingsOpenProgressChanged)
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Q_PROPERTY(qreal appDrawerOpenProgress READ appDrawerOpenProgress NOTIFY appDrawerOpenProgressChanged)
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Q_PROPERTY(qreal appDrawerY READ appDrawerY WRITE setAppDrawerY NOTIFY appDrawerYChanged)
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Q_PROPERTY(qreal searchWidgetOpenProgress READ searchWidgetOpenProgress NOTIFY searchWidgetOpenProgressChanged)
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Q_PROPERTY(qreal searchWidgetY READ searchWidgetY WRITE setSearchWidgetY NOTIFY searchWidgetYChanged)
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Q_PROPERTY(qreal delegateDragX READ delegateDragX NOTIFY delegateDragXChanged)
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Q_PROPERTY(qreal delegateDragY READ delegateDragY NOTIFY delegateDragYChanged)
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Q_PROPERTY(int currentPage READ currentPage NOTIFY pageNumChanged)
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Q_PROPERTY(int currentFolderPage READ currentFolderPage NOTIFY folderPageNumChanged)
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public:
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enum SwipeState {
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None,
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DeterminingSwipeType,
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SwipingPages, // main homescreen view
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SwipingOpenAppDrawer,
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SwipingCloseAppDrawer,
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SwipingAppDrawerGrid,
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SwipingOpenSearchWidget,
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SwipingCloseSearchWidget,
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SwipingFolderPages,
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AwaitingDraggingDelegate,
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DraggingDelegate,
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};
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Q_ENUM(SwipeState)
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enum ViewState {
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SearchWidgetView,
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PageView,
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AppDrawerView,
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FolderView,
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SettingsView,
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};
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Q_ENUM(ViewState)
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enum FavouritesBarLocation { Bottom, Left, Right };
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Q_ENUM(FavouritesBarLocation)
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enum PageOrientation {
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RegularPosition, // rows and columns are read as normal
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RotateClockwise, // swap the rows and columns
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RotateCounterClockwise, // swap the rows and columns, and then flip the rows
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RotateUpsideDown, // flip the rows and flip the columns
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};
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Q_ENUM(PageOrientation)
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HomeScreenState(HomeScreen *parent = nullptr);
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void init(); // separate function due to dependencies on other classes
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// the current state of swipe interaction
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SwipeState swipeState() const;
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// the current view
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ViewState viewState() const;
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// drag state object
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DragState *dragState() const;
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qreal viewWidth() const;
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void setViewWidth(qreal viewWidth);
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qreal viewHeight() const;
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void setViewHeight(qreal viewHeight);
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qreal viewTopPadding() const;
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void setViewTopPadding(qreal viewTopPadding);
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qreal viewBottomPadding() const;
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void setViewBottomPadding(qreal viewBottomPadding);
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qreal viewLeftPadding() const;
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void setViewLeftPadding(qreal viewLeftPadding);
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qreal viewRightPadding() const;
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void setViewRightPadding(qreal viewRightPadding);
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// whether to swap rows and columns in the layout
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// this happens if the width of the screen is larger than the height
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PageOrientation pageOrientation() const;
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void setPageOrientation(PageOrientation pageOrientation);
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FavouritesBarLocation favouritesBarLocation() const;
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// the number of rows on a page
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int pageRows() const;
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// the number of columns on a page
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int pageColumns() const;
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// the current horizontal position of the pageview
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// starts at 0, each page is m_pageWidth wide
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// first page is at -m_pageWidth, second is at -m_pageWidth * 2, etc.
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qreal pageViewX() const;
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void setPageViewX(qreal pageViewX);
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// the width of a single pageview page (set from QML)
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qreal pageWidth() const;
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void setPageWidth(qreal pageWidth);
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qreal pageHeight() const;
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void setPageHeight(qreal pageHeight);
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qreal pageContentWidth() const;
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void calculatePageContentWidth();
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qreal pageContentHeight() const;
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void calculatePageContentHeight();
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qreal pageCellWidth() const;
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void calculatePageCellWidth();
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qreal pageCellHeight() const;
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void calculatePageCellHeight();
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qreal pageDelegateLabelHeight() const;
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void setPageDelegateLabelHeight(qreal pageDelegateLabelHeight);
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qreal pageDelegateLabelSpacing() const;
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void setPageDelegateLabelSpacing(qreal pageDelegateLabelSpacing);
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qreal folderViewX() const;
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void setFolderViewX(qreal folderViewX);
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qreal folderPageWidth() const;
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void setFolderPageWidth(qreal folderPageWidth);
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qreal folderPageHeight() const;
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void setFolderPageHeight(qreal folderPageHeight);
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qreal folderPageContentWidth() const;
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void setFolderPageContentWidth(qreal folderPageContentWidth);
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qreal folderPageContentHeight() const;
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void setFolderPageContentHeight(qreal folderPageContentHeight);
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qreal folderOpenProgress() const;
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void setFolderOpenProgress(qreal folderOpenProgress);
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FolioApplicationFolder *currentFolder() const;
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void setCurrentFolder(FolioApplicationFolder *folder);
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// the progress for the opening of the settings view
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qreal settingsOpenProgress();
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void setSettingsOpenProgress(qreal settingsOpenProgress);
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// between 0-1, the progress for the opening of the app drawer
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qreal appDrawerOpenProgress();
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// the position of the app drawer
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// 0: the app drawer is open
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// APP_DRAWER_OPEN_DIST: - the app drawer is closed
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qreal appDrawerY();
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void setAppDrawerY(qreal appDrawerY);
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// between 0-1, the progress for the opening of the search widget
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qreal searchWidgetOpenProgress();
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// the position of the search widget
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// 0: the search widget
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// SEARCH_WIDGET_OPEN_DIST: - the app drawer is closed
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qreal searchWidgetY();
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void setSearchWidgetY(qreal searchWidgetY);
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// the top left x-position of the delegate being dragged
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qreal delegateDragX();
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void setDelegateDragX(qreal delegateDragX);
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// the top left y-position of the delegate being dragged
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qreal delegateDragY();
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void setDelegateDragY(qreal delegateDragY);
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// the offset from delegateDragX where the mouse/finger is
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qreal delegateDragPointerOffsetX();
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void setDelegateDragPointerOffsetX(qreal delegateDragPointerOffsetX);
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// the offset from delegateDragY where the mouse/finger is
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qreal delegateDragPointerOffsetY();
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void setDelegateDragPointerOffsetY(qreal delegateDragPointerOffsetY);
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int currentPage();
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void setCurrentPage(int currentPage);
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int currentFolderPage();
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// QML helpers
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Q_INVOKABLE FolioDelegate *getPageDelegateAt(int page, int row, int column);
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Q_INVOKABLE FolioDelegate *getFavouritesDelegateAt(int position);
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Q_INVOKABLE FolioDelegate *getFolderDelegateAt(int position);
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Q_INVOKABLE QPointF getPageDelegateScreenPosition(int page, int row, int column);
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Q_INVOKABLE QPointF getFavouritesDelegateScreenPosition(int position);
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Q_INVOKABLE QPointF getFolderDelegateScreenPosition(int position);
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Q_SIGNALS:
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void swipeStateChanged();
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void viewStateChanged();
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void viewWidthChanged();
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void viewHeightChanged();
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void viewTopPaddingChanged();
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void viewBottomPaddingChanged();
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void viewLeftPaddingChanged();
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void viewRightPaddingChanged();
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void pageOrientationChanged();
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void favouritesBarLocationChanged();
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void pageRowsChanged();
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void pageColumnsChanged();
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void pageViewXChanged();
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void pageWidthChanged();
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void pageHeightChanged();
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void pageContentWidthChanged();
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void pageContentHeightChanged();
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void pageCellWidthChanged();
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void pageCellHeightChanged();
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void pageDelegateLabelHeightChanged();
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void pageDelegateLabelSpacingChanged();
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void folderViewXChanged();
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void folderPageWidthChanged();
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void folderPageHeightChanged();
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void folderPageContentWidthChanged();
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void folderPageContentHeightChanged();
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void folderOpenProgressChanged();
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void currentFolderChanged();
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void settingsOpenProgressChanged();
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void appDrawerOpenProgressChanged();
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void appDrawerYChanged();
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void appDrawerClosed();
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void appDrawerOpened();
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void searchWidgetOpenProgressChanged();
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void searchWidgetYChanged();
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void delegateDragXChanged();
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void delegateDragYChanged();
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void delegateDragEnded();
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void delegateDragFromPageStarted(int page, int row, int column);
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void delegateDragFromFavouritesStarted(int position);
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void delegateDragFromAppDrawerStarted(QString storageId);
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void delegateDragFromFolderStarted(FolioApplicationFolder *folder, int position);
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void delegateDragFromWidgetListStarted(QString appletPluginId);
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void pageNumChanged();
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void folderPageNumChanged();
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void leftCurrentFolder();
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void folderAboutToOpen(qreal x, qreal y); // the position on the screen where the delegate is at, for animations
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void appDrawerGridYChanged(qreal y);
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void appDrawerGridFlickRequested();
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public Q_SLOTS:
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void openAppDrawer();
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void closeAppDrawer();
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void openSearchWidget();
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void closeSearchWidget();
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void snapPage(); // snaps to closest page
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void goToPage(int page);
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void goToFolderPage(int page);
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void openFolder(qreal delegateX, qreal delegateY, FolioApplicationFolder *folder);
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void closeFolder();
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void openSettingsView();
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void closeSettingsView();
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void startDelegatePageDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY, int page, int row, int column);
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void startDelegateFavouritesDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY, int position);
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void startDelegateAppDrawerDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY, QString storageId);
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void startDelegateFolderDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY, FolioApplicationFolder *folder, int position);
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void startDelegateWidgetListDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY, QString appletPluginId);
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void cancelDelegateDrag();
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// from SwipeArea
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void swipeStarted(qreal deltaX, qreal deltaY);
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void swipeEnded();
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void swipeMoved(qreal totalDeltaX, qreal totalDeltaY, qreal deltaX, qreal deltaY);
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private:
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void setViewState(ViewState viewState);
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void setSwipeState(SwipeState swipeState);
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void startDelegateDrag(qreal startX, qreal startY, qreal pointerOffsetX, qreal pointerOffsetY);
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void cancelAppDrawerAnimations();
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void cancelSearchWidgetAnimations();
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// check if we passed the swipe threshold, and determine the swipe type after
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void determineSwipeTypeAfterThreshold(qreal totalDeltaX, qreal totalDeltaY);
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QPropertyAnimation *setupAnimation(QByteArray property, int duration, QEasingCurve::Type curve, qreal endValue);
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HomeScreen *m_homeScreen{nullptr};
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SwipeState m_swipeState{SwipeState::None};
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ViewState m_viewState{ViewState::PageView};
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DragState *m_dragState{nullptr};
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qreal m_viewWidth{0};
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qreal m_viewHeight{0};
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qreal m_viewTopPadding{0};
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qreal m_viewBottomPadding{0};
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qreal m_viewLeftPadding{0};
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qreal m_viewRightPadding{0};
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PageOrientation m_pageOrientation{PageOrientation::RegularPosition};
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qreal m_pageViewX{0};
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qreal m_pageWidth{0};
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qreal m_pageHeight{0};
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qreal m_pageContentWidth{0};
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qreal m_pageContentHeight{0};
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qreal m_pageCellWidth{0};
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qreal m_pageCellHeight{0};
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qreal m_pageDelegateLabelHeight{0};
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qreal m_pageDelegateLabelSpacing{0};
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qreal m_folderViewX{0};
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qreal m_folderPageWidth{0};
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qreal m_folderPageHeight{0};
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qreal m_folderPageContentWidth{0};
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qreal m_folderPageContentHeight{0};
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qreal m_folderOpenProgress{0};
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FolioApplicationFolder *m_currentFolder{nullptr};
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qreal m_settingsOpenProgress{0};
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qreal m_appDrawerOpenProgress{0};
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qreal m_appDrawerY{0};
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qreal m_searchWidgetOpenProgress{0};
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qreal m_searchWidgetY{0};
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qreal m_delegateDragX{0};
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qreal m_delegateDragY{0};
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qreal m_delegateDragPointerOffsetX{0};
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qreal m_delegateDragPointerOffsetY{0};
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int m_pageNum{0};
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int m_folderPageNum{0};
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bool m_movingUp{false};
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bool m_movingRight{false};
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QPropertyAnimation *m_openAppDrawerAnim{nullptr};
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QPropertyAnimation *m_closeAppDrawerAnim{nullptr};
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QPropertyAnimation *m_openSearchWidgetAnim{nullptr};
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QPropertyAnimation *m_closeSearchWidgetAnim{nullptr};
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QPropertyAnimation *m_pageAnim{nullptr};
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QPropertyAnimation *m_openFolderAnim{nullptr};
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QPropertyAnimation *m_closeFolderAnim{nullptr};
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QPropertyAnimation *m_folderPageAnim{nullptr};
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QPropertyAnimation *m_openSettingsAnim{nullptr};
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QPropertyAnimation *m_closeSettingsAnim{nullptr};
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};
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