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Diffstat (limited to 'vcl/inc/window.h')
| -rw-r--r-- | vcl/inc/window.h | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/vcl/inc/window.h b/vcl/inc/window.h new file mode 100644 index 000000000..6b362e7d3 --- /dev/null +++ b/vcl/inc/window.h @@ -0,0 +1,438 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_VCL_INC_WINDOW_H +#define INCLUDED_VCL_INC_WINDOW_H + +#include <sal/config.h> + +#include <tools/fract.hxx> +#include <vcl/commandevent.hxx> +#include <vcl/idle.hxx> +#include <vcl/inputctx.hxx> +#include <vcl/window.hxx> +#include <vcl/settings.hxx> +#include <o3tl/typed_flags_set.hxx> +#include <cppuhelper/weakref.hxx> + +#include <optional> +#include <list> +#include <memory> +#include <vector> +#include <set> + +class FixedText; +class VclSizeGroup; +class VirtualDevice; +class PhysicalFontCollection; +class ImplFontCache; +class VCLXWindow; +class WindowStateData; +class SalFrame; +class SalObject; +enum class MouseEventModifiers; +enum class MouseNotifyEvent; +enum class ActivateModeFlags; +enum class DialogControlFlags; +enum class GetFocusFlags; +enum class ParentClipMode; +enum class SalEvent; + +namespace com::sun::star { + + namespace accessibility { + class XAccessible; + class XAccessibleContext; + class XAccessibleEditableText; + } + + namespace rendering { + class XCanvas; + } + + namespace awt { + class XWindowPeer; + class XWindow; + } + namespace uno { + class Any; + class XInterface; + } + namespace datatransfer { + namespace clipboard { + class XClipboard; + } + namespace dnd { + class XDropTargetListener; + class XDragGestureRecognizer; + class XDragSource; + class XDropTarget; + } + } +} + +VCL_DLLPUBLIC Size bestmaxFrameSizeForScreenSize(const Size &rScreenSize); + +//return true if this window and its stack of containers are all shown +bool isVisibleInLayout(const vcl::Window *pWindow); + +//return true if this window and its stack of containers are all enabled +bool isEnabledInLayout(const vcl::Window *pWindow); + +bool ImplWindowFrameProc( vcl::Window* pInst, SalEvent nEvent, const void* pEvent ); + +struct ImplWinData +{ + std::optional<OUString> + mpExtOldText; + std::unique_ptr<ExtTextInputAttr[]> + mpExtOldAttrAry; + std::optional<tools::Rectangle> + mpCursorRect; + long mnCursorExtWidth; + bool mbVertical; + std::unique_ptr<tools::Rectangle[]> + mpCompositionCharRects; + long mnCompositionCharRects; + std::optional<tools::Rectangle> + mpFocusRect; + std::optional<tools::Rectangle> + mpTrackRect; + ShowTrackFlags mnTrackFlags; + sal_uInt16 mnIsTopWindow; + bool mbMouseOver; //< tracks mouse over for native widget paint effect + bool mbEnableNativeWidget; //< toggle native widget rendering + ::std::list< VclPtr<vcl::Window> > + maTopWindowChildren; + + ImplWinData(); + ~ImplWinData(); +}; + +struct ImplFrameData +{ + Idle maPaintIdle; //< paint idle handler + Idle maResizeIdle; //< resize timer + InputContext maOldInputContext; //< last set Input Context + VclPtr<vcl::Window> mpNextFrame; //< next frame window + VclPtr<vcl::Window> mpFirstOverlap; //< first overlap vcl::Window + VclPtr<vcl::Window> mpFocusWin; //< focus window (is also set, when frame doesn't have the focus) + VclPtr<vcl::Window> mpMouseMoveWin; //< last window, where MouseMove() called + VclPtr<vcl::Window> mpMouseDownWin; //< last window, where MouseButtonDown() called + std::vector<VclPtr<vcl::Window> > maOwnerDrawList; //< List of system windows with owner draw decoration + std::shared_ptr<PhysicalFontCollection> mxFontCollection; //< Font-List for this frame + std::shared_ptr<ImplFontCache> mxFontCache; //< Font-Cache for this frame + sal_Int32 mnDPIX; //< Original Screen Resolution + sal_Int32 mnDPIY; //< Original Screen Resolution + ImplSVEvent * mnFocusId; //< FocusId for PostUserLink + ImplSVEvent * mnMouseMoveId; //< MoveId for PostUserLink + long mnLastMouseX; //< last x mouse position + long mnLastMouseY; //< last y mouse position + long mnBeforeLastMouseX; //< last but one x mouse position + long mnBeforeLastMouseY; //< last but one y mouse position + long mnFirstMouseX; //< first x mouse position by mousebuttondown + long mnFirstMouseY; //< first y mouse position by mousebuttondown + long mnLastMouseWinX; //< last x mouse position, rel. to pMouseMoveWin + long mnLastMouseWinY; //< last y mouse position, rel. to pMouseMoveWin + sal_uInt16 mnModalMode; //< frame based modal count (app based makes no sense anymore) + sal_uInt64 mnMouseDownTime; //< mouse button down time for double click + sal_uInt16 mnClickCount; //< mouse click count + sal_uInt16 mnFirstMouseCode; //< mouse code by mousebuttondown + sal_uInt16 mnMouseCode; //< mouse code + MouseEventModifiers mnMouseMode; //< mouse mode + bool mbHasFocus; //< focus + bool mbInMouseMove; //< is MouseMove on stack + bool mbMouseIn; //> is Mouse inside the frame + bool mbStartDragCalled; //< is command startdrag called + bool mbNeedSysWindow; //< set, when FrameSize <= IMPL_MIN_NEEDSYSWIN + bool mbMinimized; //< set, when FrameSize <= 0 + bool mbStartFocusState; //< FocusState, when sending the event + bool mbInSysObjFocusHdl; //< within a SysChildren's GetFocus handler + bool mbInSysObjToTopHdl; //< within a SysChildren's ToTop handler + bool mbSysObjFocus; //< does a SysChild have focus + sal_Int32 mnTouchPanPosition; + + css::uno::Reference< css::datatransfer::dnd::XDragSource > mxDragSource; + css::uno::Reference< css::datatransfer::dnd::XDropTarget > mxDropTarget; + css::uno::Reference< css::datatransfer::dnd::XDropTargetListener > mxDropTargetListener; + css::uno::Reference< css::datatransfer::clipboard::XClipboard > mxClipboard; + css::uno::Reference< css::datatransfer::clipboard::XClipboard > mxSelection; + + bool mbInternalDragGestureRecognizer; + VclPtr<VirtualDevice> mpBuffer; ///< Buffer for the double-buffering + bool mbInBufferedPaint; ///< PaintHelper is in the process of painting into this buffer. + tools::Rectangle maBufferedRect; ///< Rectangle in the buffer that has to be painted to the screen. + + ImplFrameData( vcl::Window *pWindow ); +}; + +struct ImplAccessibleInfos +{ + sal_uInt16 nAccessibleRole; + std::optional<OUString> + pAccessibleName; + std::optional<OUString> + pAccessibleDescription; + VclPtr<vcl::Window> pLabeledByWindow; + VclPtr<vcl::Window> pLabelForWindow; + VclPtr<vcl::Window> pMemberOfWindow; + + ImplAccessibleInfos(); + ~ImplAccessibleInfos(); +}; + +enum AlwaysInputMode { AlwaysInputNone = 0, AlwaysInputEnabled = 1, AlwaysInputDisabled =2 }; + +enum class ImplPaintFlags { + NONE = 0x0000, + Paint = 0x0001, + PaintAll = 0x0002, + PaintAllChildren = 0x0004, + PaintChildren = 0x0008, + Erase = 0x0010, + CheckRtl = 0x0020, +}; +namespace o3tl { + template<> struct typed_flags<ImplPaintFlags> : is_typed_flags<ImplPaintFlags, 0x003f> {}; +} + + +class WindowImpl +{ +private: + WindowImpl(const WindowImpl&) = delete; + WindowImpl& operator=(const WindowImpl&) = delete; +public: + WindowImpl( WindowType ); + ~WindowImpl(); + + ImplWinData* mpWinData; + ImplFrameData* mpFrameData; + SalFrame* mpFrame; + SalObject* mpSysObj; + VclPtr<vcl::Window> mpFrameWindow; + VclPtr<vcl::Window> mpOverlapWindow; + VclPtr<vcl::Window> mpBorderWindow; + VclPtr<vcl::Window> mpClientWindow; + VclPtr<vcl::Window> mpParent; + VclPtr<vcl::Window> mpRealParent; + VclPtr<vcl::Window> mpFirstChild; + VclPtr<vcl::Window> mpLastChild; + VclPtr<vcl::Window> mpFirstOverlap; + VclPtr<vcl::Window> mpLastOverlap; + VclPtr<vcl::Window> mpPrev; + VclPtr<vcl::Window> mpNext; + VclPtr<vcl::Window> mpNextOverlap; + VclPtr<vcl::Window> mpLastFocusWindow; + VclPtr<vcl::Window> mpDlgCtrlDownWindow; + std::vector<Link<VclWindowEvent&,void>> maEventListeners; + int mnEventListenersIteratingCount; + std::set<Link<VclWindowEvent&,void>> maEventListenersDeleted; + std::vector<Link<VclWindowEvent&,void>> maChildEventListeners; + int mnChildEventListenersIteratingCount; + std::set<Link<VclWindowEvent&,void>> maChildEventListenersDeleted; + Link<vcl::Window&, bool> maHelpRequestHdl; + Link<vcl::Window&, bool> maMnemonicActivateHdl; + Link<boost::property_tree::ptree&, void> maDumpAsPropertyTreeHdl; + + // The canvas interface for this VCL window. Is persistent after the first GetCanvas() call + css::uno::WeakReference< css::rendering::XCanvas > mxCanvas; + + vcl::Cursor* mpCursor; + PointerStyle maPointer; + Fraction maZoom; + OUString maText; + std::unique_ptr<vcl::Font> + mpControlFont; + Color maControlForeground; + Color maControlBackground; + sal_Int32 mnLeftBorder; + sal_Int32 mnTopBorder; + sal_Int32 mnRightBorder; + sal_Int32 mnBottomBorder; + sal_Int32 mnWidthRequest; + sal_Int32 mnHeightRequest; + sal_Int32 mnOptimalWidthCache; + sal_Int32 mnOptimalHeightCache; + long mnX; + long mnY; + long mnAbsScreenX; + Point maPos; + OString maHelpId; + OUString maHelpText; + OUString maQuickHelpText; + OUString maID; + InputContext maInputContext; + css::uno::Reference< css::awt::XWindowPeer > mxWindowPeer; + css::uno::Reference< css::accessibility::XAccessible > mxAccessible; + std::shared_ptr< VclSizeGroup > m_xSizeGroup; + std::vector<VclPtr<FixedText>> m_aMnemonicLabels; + std::unique_ptr<ImplAccessibleInfos> mpAccessibleInfos; + VCLXWindow* mpVCLXWindow; + vcl::Region maWinRegion; //< region to 'shape' the VCL window (frame coordinates) + vcl::Region maWinClipRegion; //< the (clipping) region that finally corresponds to the VCL window (frame coordinates) + vcl::Region maInvalidateRegion; //< region that has to be redrawn (frame coordinates) + std::unique_ptr<vcl::Region> mpChildClipRegion; //< child clip region if CLIPCHILDREN is set (frame coordinates) + vcl::Region* mpPaintRegion; //< only set during Paint() method call (window coordinates) + WinBits mnStyle; + WinBits mnPrevStyle; + WindowExtendedStyle mnExtendedStyle; + WindowType mnType; + ControlPart mnNativeBackground; + sal_uInt16 mnWaitCount; + ImplPaintFlags mnPaintFlags; + GetFocusFlags mnGetFocusFlags; + ParentClipMode mnParentClipMode; + ActivateModeFlags mnActivateMode; + DialogControlFlags mnDlgCtrlFlags; + AlwaysInputMode meAlwaysInputMode; + VclAlign meHalign; + VclAlign meValign; + VclPackType mePackType; + sal_Int32 mnPadding; + sal_Int32 mnGridHeight; + sal_Int32 mnGridLeftAttach; + sal_Int32 mnGridTopAttach; + sal_Int32 mnGridWidth; + sal_Int32 mnBorderWidth; + sal_Int32 mnMarginLeft; + sal_Int32 mnMarginRight; + sal_Int32 mnMarginTop; + sal_Int32 mnMarginBottom; + bool mbFrame:1, + mbBorderWin:1, + mbOverlapWin:1, + mbSysWin:1, + mbDialog:1, + mbDockWin:1, + mbFloatWin:1, + mbPushButton:1, + mbVisible:1, + mbDisabled:1, + mbInputDisabled:1, + mbNoUpdate:1, + mbNoParentUpdate:1, + mbActive:1, + mbReallyVisible:1, + mbReallyShown:1, + mbInInitShow:1, + mbChildPtrOverwrite:1, + mbNoPtrVisible:1, + mbPaintFrame:1, + mbInPaint:1, + mbMouseButtonDown:1, + mbMouseButtonUp:1, + mbKeyInput:1, + mbKeyUp:1, + mbCommand:1, + mbDefPos:1, + mbDefSize:1, + mbCallMove:1, + mbCallResize:1, + mbWaitSystemResize:1, + mbInitWinClipRegion:1, + mbInitChildRegion:1, + mbWinRegion:1, + mbClipChildren:1, + mbClipSiblings:1, + mbChildTransparent:1, + mbPaintTransparent:1, + mbMouseTransparent:1, + mbDlgCtrlStart:1, + mbFocusVisible:1, + mbTrackVisible:1, + mbUseNativeFocus:1, + mbNativeFocusVisible:1, + mbInShowFocus:1, + mbInHideFocus:1, + mbControlForeground:1, + mbControlBackground:1, + mbAlwaysOnTop:1, + mbCompoundControl:1, + mbCompoundControlHasFocus:1, + mbPaintDisabled:1, + mbAllResize:1, + mbInDispose:1, + mbExtTextInput:1, + mbInFocusHdl:1, + mbOverlapVisible:1, + mbCreatedWithToolkit:1, + mbToolBox:1, + mbSplitter:1, + mbSuppressAccessibilityEvents:1, + mbMenuFloatingWindow:1, + mbDrawSelectionBackground:1, + mbIsInTaskPaneList:1, + mbToolbarFloatingWindow:1, + mbCallHandlersDuringInputDisabled:1, + mbHelpTextDynamic:1, + mbFakeFocusSet:1, + mbHexpand:1, + mbVexpand:1, + mbExpand:1, + mbFill:1, + mbSecondary:1, + mbNonHomogeneous:1, + mbDoubleBufferingRequested:1; + + css::uno::Reference< css::uno::XInterface > mxDNDListenerContainer; + + const vcl::ILibreOfficeKitNotifier* mpLOKNotifier; ///< To emit the LOK callbacks eg. for dialog tunneling. + vcl::LOKWindowId mnLOKWindowId; ///< ID of this specific window. + bool mbLOKParentNotifier; +}; + +namespace vcl +{ +/// Sets up the buffer to have settings matching the window, and restores the original state in the dtor. +class VCL_DLLPUBLIC PaintBufferGuard +{ + ImplFrameData* mpFrameData; + VclPtr<vcl::Window> m_pWindow; + bool mbBackground; + Wallpaper maBackground; + AllSettings maSettings; + long mnOutOffX; + long mnOutOffY; + tools::Rectangle m_aPaintRect; +public: + PaintBufferGuard(ImplFrameData* pFrameData, vcl::Window* pWindow); + ~PaintBufferGuard(); + /// If this is called, then the dtor will also copy rRectangle to the window from the buffer, before restoring the state. + void SetPaintRect(const tools::Rectangle& rRectangle); + /// Returns either the frame's buffer or the window, in case of no buffering. + vcl::RenderContext* GetRenderContext(); +}; +} + +// helper methods + +bool ImplHandleMouseEvent( const VclPtr<vcl::Window>& xWindow, MouseNotifyEvent nSVEvent, bool bMouseLeave, + long nX, long nY, sal_uInt64 nMsgTime, + sal_uInt16 nCode, MouseEventModifiers nMode ); +void ImplHandleResize( vcl::Window* pWindow, long nNewWidth, long nNewHeight ); + +VCL_DLLPUBLIC void ImplWindowStateFromStr(WindowStateData& rData, const OString& rStr); + +VCL_DLLPUBLIC css::uno::Reference<css::accessibility::XAccessibleEditableText> +FindFocusedEditableText(css::uno::Reference<css::accessibility::XAccessibleContext> const&); + +#endif // INCLUDED_VCL_INC_WINDOW_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |