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| -rw-r--r-- | vcl/inc/salframe.hxx | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/vcl/inc/salframe.hxx b/vcl/inc/salframe.hxx new file mode 100644 index 0000000000..f25f8de927 --- /dev/null +++ b/vcl/inc/salframe.hxx @@ -0,0 +1,325 @@ +/* -*- 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_SALFRAME_HXX +#define INCLUDED_VCL_INC_SALFRAME_HXX + +#include "impdel.hxx" +#include "salwtype.hxx" +#include "salgeom.hxx" + +#include <vcl/help.hxx> +#include <o3tl/typed_flags_set.hxx> + +#include <vcl/window.hxx> + // complete vcl::Window for SalFrame::CallCallback under -fsanitize=function + +class AllSettings; +class SalGraphics; +class SalBitmap; +class SalMenu; + +namespace vcl { class WindowData; } +struct SalInputContext; +struct SystemEnvData; + +// SalFrame types +enum class SalFrameToTop { + NONE = 0x00, + RestoreWhenMin = 0x01, + ForegroundTask = 0x02, + GrabFocus = 0x04, + GrabFocusOnly = 0x08 +}; +namespace o3tl { + template<> struct typed_flags<SalFrameToTop> : is_typed_flags<SalFrameToTop, 0x0f> {}; +}; + +namespace vcl { class KeyCode; } + +namespace weld +{ + class Window; +} + +enum class FloatWinPopupFlags; + +// SalFrame styles +enum class SalFrameStyleFlags +{ + NONE = 0x00000000, + DEFAULT = 0x00000001, + MOVEABLE = 0x00000002, + SIZEABLE = 0x00000004, + CLOSEABLE = 0x00000008, + // no shadow effect on Windows XP + NOSHADOW = 0x00000010, + // indicate tooltip windows, so they can always be topmost + TOOLTIP = 0x00000020, + // windows without windowmanager decoration, this typically only applies to floating windows + OWNERDRAWDECORATION = 0x00000040, + // dialogs + DIALOG = 0x00000080, + // the window containing the intro bitmap, aka splashscreen + INTRO = 0x00000100, + // tdf#144624: don't set icon + NOICON = 0x01000000, + // system child window inside another SalFrame + SYSTEMCHILD = 0x08000000, + // plugged system child window + PLUG = 0x10000000, + // floating window + FLOAT = 0x20000000, + // toolwindows should be painted with a smaller decoration + TOOLWINDOW = 0x40000000, +}; + +namespace o3tl { + template<> struct typed_flags<SalFrameStyleFlags> : is_typed_flags<SalFrameStyleFlags, 0x798001ff> {}; +}; + +// Extended frame style (sal equivalent to extended WinBits) +typedef sal_uInt64 SalExtStyle; +#define SAL_FRAME_EXT_STYLE_DOCUMENT SalExtStyle(0x00000001) +#define SAL_FRAME_EXT_STYLE_DOCMODIFIED SalExtStyle(0x00000002) + +// Flags for SetPosSize +#define SAL_FRAME_POSSIZE_X (sal_uInt16(0x0001)) +#define SAL_FRAME_POSSIZE_Y (sal_uInt16(0x0002)) +#define SAL_FRAME_POSSIZE_WIDTH (sal_uInt16(0x0004)) +#define SAL_FRAME_POSSIZE_HEIGHT (sal_uInt16(0x0008)) + +struct SystemParentData; +struct ImplSVEvent; + +/// A SalFrame is a system window (e.g. an X11 window). +class VCL_PLUGIN_PUBLIC SalFrame + : public vcl::DeletionNotifier + , public SalGeometryProvider +{ +private: + // the VCL window corresponding to this frame + VclPtr<vcl::Window> m_pWindow; + SALFRAMEPROC m_pProc; + Link<bool, void> m_aModalHierarchyHdl; +protected: + mutable std::unique_ptr<weld::Window> m_xFrameWeld; +public: + SalFrame(); + virtual ~SalFrame() override; + + SalFrameGeometry maGeometry; ///< absolute, unmirrored values + + // SalGeometryProvider + virtual tools::Long GetWidth() const override { return maGeometry.width(); } + virtual tools::Long GetHeight() const override { return maGeometry.height(); } + virtual bool IsOffScreen() const override { return false; } + + // SalGraphics or NULL, but two Graphics for all SalFrames + // must be returned + virtual SalGraphics* AcquireGraphics() = 0; + virtual void ReleaseGraphics( SalGraphics* pGraphics ) = 0; + + // Event must be destroyed, when Frame is destroyed + // When Event is called, SalInstance::Yield() must be returned + virtual bool PostEvent(std::unique_ptr<ImplSVEvent> pData) = 0; + + virtual void SetTitle( const OUString& rTitle ) = 0; + virtual void SetIcon( sal_uInt16 nIcon ) = 0; + virtual void SetRepresentedURL( const OUString& ); + virtual void SetMenu( SalMenu *pSalMenu ) = 0; + + virtual void SetExtendedFrameStyle( SalExtStyle nExtStyle ) = 0; + + // Before the window is visible, a resize event + // must be sent with the correct size + virtual void Show( bool bVisible, bool bNoActivate = false ) = 0; + + // Set ClientSize and Center the Window to the desktop + // and send/post a resize message + virtual void SetMinClientSize( tools::Long nWidth, tools::Long nHeight ) = 0; + virtual void SetMaxClientSize( tools::Long nWidth, tools::Long nHeight ) = 0; + virtual void SetPosSize( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, sal_uInt16 nFlags ) = 0; + static OUString DumpSetPosSize(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, sal_uInt16 nFlags); + virtual void GetClientSize( tools::Long& rWidth, tools::Long& rHeight ) = 0; + virtual void GetWorkArea( AbsoluteScreenPixelRectangle& rRect ) = 0; + virtual SalFrame* GetParent() const = 0; + // Note: x will be mirrored at parent if UI mirroring is active + SalFrameGeometry GetGeometry() const; + const SalFrameGeometry& GetUnmirroredGeometry() const { return maGeometry; } + + virtual void SetWindowState(const vcl::WindowData*) = 0; + // return the absolute, unmirrored system frame state + // if this returns false the structure is uninitialised + [[nodiscard]] + virtual bool GetWindowState(vcl::WindowData*) = 0; + virtual void ShowFullScreen( bool bFullScreen, sal_Int32 nDisplay ) = 0; + virtual void PositionByToolkit( const tools::Rectangle&, FloatWinPopupFlags ) {}; + + // Enable/Disable ScreenSaver, SystemAgents, ... + virtual void StartPresentation( bool bStart ) = 0; + // Show Window over all other Windows + virtual void SetAlwaysOnTop( bool bOnTop ) = 0; + + // Window to top and grab focus + virtual void ToTop( SalFrameToTop nFlags ) = 0; + + // grab focus to the main widget, can be no-op if the vclplug only uses one widget + virtual void GrabFocus() {} + + // this function can call with the same + // pointer style + virtual void SetPointer( PointerStyle ePointerStyle ) = 0; + virtual void CaptureMouse( bool bMouse ) = 0; + virtual void SetPointerPos( tools::Long nX, tools::Long nY ) = 0; + + // flush output buffer + virtual void Flush() = 0; + virtual void Flush( const tools::Rectangle& ); + + virtual void SetInputContext( SalInputContext* pContext ) = 0; + virtual void EndExtTextInput( EndExtTextInputFlags nFlags ) = 0; + + virtual OUString GetKeyName( sal_uInt16 nKeyCode ) = 0; + + // returns in 'rKeyCode' the single keycode that translates to the given unicode when using a keyboard layout of language 'aLangType' + // returns false if no mapping exists or function not supported + // this is required for advanced menu support + virtual bool MapUnicodeToKeyCode( sal_Unicode aUnicode, LanguageType aLangType, vcl::KeyCode& rKeyCode ) = 0; + + // returns the input language used for the last key stroke + // may be LANGUAGE_DONTKNOW if not supported by the OS + virtual LanguageType GetInputLanguage() = 0; + + virtual void UpdateSettings( AllSettings& rSettings ) = 0; + + virtual void Beep() = 0; + + // returns system data (most prominent: window handle) + virtual const SystemEnvData* + GetSystemData() const = 0; + + // tdf#139609 SystemEnvData::GetWindowHandle() calls this to on-demand fill the aWindow + // member of SystemEnvData for backends that want to defer doing that + virtual void ResolveWindowHandle(SystemEnvData& /*rData*/) const {}; + + // get current modifier, button mask and mouse position + struct SalPointerState + { + sal_Int32 mnState; + Point maPos; // in frame coordinates + }; + + virtual SalPointerState GetPointerState() = 0; + + virtual KeyIndicatorState GetIndicatorState() = 0; + + virtual void SimulateKeyPress( sal_uInt16 nKeyCode ) = 0; + + // set new parent window + virtual void SetParent( SalFrame* pNewParent ) = 0; + // reparent window to act as a plugin; implementation + // may choose to use a new system window internally + // return false to indicate failure + virtual void SetPluginParent( SystemParentData* pNewParent ) = 0; + + // move the frame to a new screen + virtual void SetScreenNumber( unsigned int nScreen ) = 0; + + virtual void SetApplicationID( const OUString &rApplicationID) = 0; + + // shaped system windows + // set clip region to none (-> rectangular windows, normal state) + virtual void ResetClipRegion() = 0; + // start setting the clipregion consisting of nRects rectangles + virtual void BeginSetClipRegion( sal_uInt32 nRects ) = 0; + // add a rectangle to the clip region + virtual void UnionClipRegion( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0; + // done setting up the clipregion + virtual void EndSetClipRegion() = 0; + + virtual void SetModal(bool /*bModal*/) + { + } + + virtual bool GetModal() const + { + return false; + } + + // return true to indicate tooltips are shown natively, false otherwise + virtual bool ShowTooltip(const OUString& /*rHelpText*/, const tools::Rectangle& /*rHelpArea*/) + { + return false; + } + + // return !0 to indicate popovers are shown natively, 0 otherwise + virtual void* ShowPopover(const OUString& /*rHelpText*/, vcl::Window* /*pParent*/, const tools::Rectangle& /*rHelpArea*/, QuickHelpFlags /*nFlags*/) + { + return nullptr; + } + + // return true to indicate popovers are shown natively, false otherwise + virtual bool UpdatePopover(void* /*nId*/, const OUString& /*rHelpText*/, vcl::Window* /*pParent*/, const tools::Rectangle& /*rHelpArea*/) + { + return false; + } + + // return true to indicate popovers are shown natively, false otherwise + virtual bool HidePopover(void* /*nId*/) + { + return false; + } + + virtual weld::Window* GetFrameWeld() const; + + // Callbacks (independent part in vcl/source/window/winproc.cxx) + // for default message handling return 0 + void SetCallback( vcl::Window* pWindow, SALFRAMEPROC pProc ); + + // returns the instance set + vcl::Window* GetWindow() const { return m_pWindow; } + + void SetModalHierarchyHdl(const Link<bool, void>& rLink) { m_aModalHierarchyHdl = rLink; } + void NotifyModalHierarchy(bool bModal) { m_aModalHierarchyHdl.Call(bModal); } + + virtual void UpdateDarkMode() {} + virtual bool GetUseDarkMode() const { return false; } + virtual bool GetUseReducedAnimation() const { return false; }; + + // Call the callback set; this sometimes necessary for implementation classes + // that should not know more than necessary about the SalFrame implementation + // (e.g. input methods, printer update handlers). + bool CallCallback( SalEvent nEvent, const void* pEvent ) const + { return m_pProc && m_pProc( m_pWindow, nEvent, pEvent ); } + + // Helper method for input method handling: Calculate cursor index in (UTF-16) OUString, + // starting at nCursorIndex, moving number of characters (not UTF-16 codepoints) specified + // in nOffset, nChars. + static Selection CalcDeleteSurroundingSelection(const OUString& rSurroundingText, + sal_Int32 nCursorIndex, int nOffset, int nChars); +}; + +#ifdef _WIN32 +bool HasAtHook(); +#endif + +#endif // INCLUDED_VCL_INC_SALFRAME_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |