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| -rw-r--r-- | include/vcl/event.hxx | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/include/vcl/event.hxx b/include/vcl/event.hxx new file mode 100644 index 0000000000..83ff1f059e --- /dev/null +++ b/include/vcl/event.hxx @@ -0,0 +1,387 @@ +/* -*- 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_EVENT_HXX +#define INCLUDED_VCL_EVENT_HXX + +#include <vcl/dllapi.h> +#include <tools/gen.hxx> +#include <vcl/keycod.hxx> +#include <vcl/settings.hxx> +#include <vcl/vclptr.hxx> +#include <vcl/outdev.hxx> +#include <optional> + +class CommandEvent; + +enum class TextDirectionality { + LeftToRight_TopToBottom, + RightToLeft_TopToBottom, + TopToBottom_RightToLeft, + BottomToTop_LeftToRight +}; + +namespace vcl { + class Window; +} + +class VCL_DLLPUBLIC KeyEvent +{ +private: + vcl::KeyCode maKeyCode; + sal_uInt16 mnRepeat; + sal_Unicode mnCharCode; + +public: + KeyEvent(); + KeyEvent( sal_Unicode nChar, const vcl::KeyCode& rKeyCode, + sal_uInt16 nRepeat = 0 ); + + sal_Unicode GetCharCode() const { return mnCharCode; } + const vcl::KeyCode& GetKeyCode() const { return maKeyCode; } + sal_uInt16 GetRepeat() const { return mnRepeat; } + + KeyEvent LogicalTextDirectionality (TextDirectionality eMode) const; +}; + +inline KeyEvent::KeyEvent() +{ + mnCharCode = 0; + mnRepeat = 0; +} + +inline KeyEvent::KeyEvent( sal_Unicode nChar, const vcl::KeyCode& rKeyCode, + sal_uInt16 nRepeat ) : + maKeyCode( rKeyCode ) + +{ + mnCharCode = nChar; + mnRepeat = nRepeat; +} + + +enum class MouseEventModifiers +{ + NONE = 0, + // mouse move modifiers + SIMPLEMOVE = 0x0001, + DRAGMOVE = 0x0002, + DRAGCOPY = 0x0004, + ENTERWINDOW = 0x0010, + LEAVEWINDOW = 0x0020, + SYNTHETIC = 0x0040, + MODIFIERCHANGED = 0x0080, + // mouse up/down-button modifiers + SIMPLECLICK = 0x0100, + SELECT = 0x0200, + MULTISELECT = 0x0400, + RANGESELECT = 0x0800 +}; +namespace o3tl +{ + template<> struct typed_flags<MouseEventModifiers> : is_typed_flags<MouseEventModifiers, 0xff7> {}; +} + +// Mouse buttons +#define MOUSE_LEFT (sal_uInt16(0x0001)) +#define MOUSE_MIDDLE (sal_uInt16(0x0002)) +#define MOUSE_RIGHT (sal_uInt16(0x0004)) + +class VCL_DLLPUBLIC MouseEvent +{ +private: + Point maPos; + MouseEventModifiers mnMode; + sal_uInt16 mnClicks; + sal_uInt16 mnCode; + + // Set, if the document relative logic position are available + std::optional<Point> maLogicPosition; + +public: + explicit MouseEvent(); + explicit MouseEvent( const Point& rPos, sal_uInt16 nClicks = 1, + MouseEventModifiers nMode = MouseEventModifiers::NONE, sal_uInt16 nButtons = 0, + sal_uInt16 nModifier = 0 ); + + const Point& GetPosPixel() const { return maPos; } + MouseEventModifiers GetMode() const { return mnMode; } + + sal_uInt16 GetClicks() const { return mnClicks; } + + void setLogicPosition(Point aLogicPosition) + { + maLogicPosition = aLogicPosition; + } + + const std::optional<Point> & getLogicPosition() const + { + return maLogicPosition; + } + + bool IsEnterWindow() const + { return bool(mnMode & MouseEventModifiers::ENTERWINDOW); } + bool IsLeaveWindow() const + { return bool(mnMode & MouseEventModifiers::LEAVEWINDOW); } + bool IsSynthetic() const + { return bool(mnMode & MouseEventModifiers::SYNTHETIC); } + bool IsModifierChanged() const + { return bool(mnMode & MouseEventModifiers::MODIFIERCHANGED); } + + sal_uInt16 GetButtons() const + { return (mnCode & (MOUSE_LEFT | MOUSE_MIDDLE | MOUSE_RIGHT)); } + bool IsLeft() const + { return ((mnCode & MOUSE_LEFT) != 0); } + bool IsMiddle() const + { return ((mnCode & MOUSE_MIDDLE) != 0); } + bool IsRight() const + { return ((mnCode & MOUSE_RIGHT) != 0); } + + sal_uInt16 GetModifier() const + { return (mnCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2)); } + bool IsShift() const + { return ((mnCode & KEY_SHIFT) != 0); } + bool IsMod1() const + { return ((mnCode & KEY_MOD1) != 0); } + bool IsMod2() const + { return ((mnCode & KEY_MOD2) != 0); } + bool IsMod3() const + { return ((mnCode & KEY_MOD3) != 0); } +}; + +inline MouseEvent::MouseEvent() +{ + mnMode = MouseEventModifiers::NONE; + mnClicks = 0; + mnCode = 0; +} + +inline MouseEvent::MouseEvent( const Point& rPos, sal_uInt16 nClicks, + MouseEventModifiers nMode, + sal_uInt16 nButtons, sal_uInt16 nModifier ) : + maPos( rPos ) +{ + mnClicks = nClicks; + mnMode = nMode; + mnCode = nButtons | nModifier; +} + +enum class HelpEventMode +{ + NONE = 0x0000, + CONTEXT = 0x0001, + BALLOON = 0x0002, + QUICK = 0x0004 +}; +namespace o3tl +{ + template<> struct typed_flags<HelpEventMode> : is_typed_flags<HelpEventMode, 0x07> {}; +} + +class VCL_DLLPUBLIC HelpEvent +{ +private: + Point maPos; + HelpEventMode mnMode; + bool mbKeyboardActivated; + +public: + explicit HelpEvent( const Point& rMousePos, HelpEventMode nHelpMode ); + + const Point& GetMousePosPixel() const { return maPos; } + HelpEventMode GetMode() const { return mnMode; } + bool KeyboardActivated() const { return mbKeyboardActivated; } + void SetKeyboardActivated( bool bKeyboard ) { mbKeyboardActivated = bKeyboard; } +}; + +inline HelpEvent::HelpEvent( const Point& rMousePos, HelpEventMode nHelpMode ) : + maPos( rMousePos ) +{ + mnMode = nHelpMode; + mbKeyboardActivated = false; +} + +/// Event to pass information for UserDraw() handling eg. in comboboxes. +class VCL_DLLPUBLIC UserDrawEvent +{ +private: + /// RenderContext to which we should draw - can be a VirtualDevice or anything. + VclPtr<vcl::RenderContext> mpRenderContext; + + tools::Rectangle maOutRect; + sal_uInt16 mnItemId; + bool mbSelected; + +public: + UserDrawEvent(vcl::RenderContext* pRenderContext, + const tools::Rectangle& rOutRect, sal_uInt16 nId, bool bSelected = false) + : mpRenderContext(pRenderContext) + , maOutRect( rOutRect ) + , mnItemId(nId) + , mbSelected(bSelected) + { + } + + vcl::RenderContext* GetRenderContext() const { return mpRenderContext; } + const tools::Rectangle& GetRect() const { return maOutRect; } + sal_uInt16 GetItemId() const { return mnItemId; } + bool IsSelected() const { return mbSelected; } +}; + +class VCL_DLLPUBLIC TrackingEvent +{ +private: + MouseEvent maMEvt; + TrackingEventFlags mnFlags; + +public: + explicit TrackingEvent( const MouseEvent&, + TrackingEventFlags nTrackFlags = TrackingEventFlags::NONE ); + + const MouseEvent& GetMouseEvent() const { return maMEvt; } + + bool IsTrackingRepeat() const + { return bool(mnFlags & TrackingEventFlags::Repeat); } + bool IsTrackingEnded() const + { return bool(mnFlags & TrackingEventFlags::End); } + bool IsTrackingCanceled() const + { return bool(mnFlags & TrackingEventFlags::Cancel); } +}; + +inline TrackingEvent::TrackingEvent( const MouseEvent& rMEvt, + TrackingEventFlags nTrackFlags ) : + maMEvt( rMEvt ) +{ + mnFlags = nTrackFlags; +} + + +enum class NotifyEventType +{ + NONE = 0, + MOUSEBUTTONDOWN = 1, + MOUSEBUTTONUP = 2, + MOUSEMOVE = 3, + KEYINPUT = 4, + KEYUP = 5, + GETFOCUS = 6, + LOSEFOCUS = 7, + COMMAND = 8 +}; + +class VCL_DLLPUBLIC NotifyEvent +{ +private: + VclPtr<vcl::Window> mpWindow; + void* mpData; + NotifyEventType mnEventType; + +public: + NotifyEvent( NotifyEventType nEventType, + vcl::Window* pWindow, + const void* pEvent = nullptr ); + ~NotifyEvent(); + // Avoid implicitly defined copy constructors/assignments for the + // DLLPUBLIC class (they may require forward-declared classes used + // internally to be defined in places using NotifyEvent) + NotifyEvent(const NotifyEvent&) = delete; + NotifyEvent(NotifyEvent&&) = delete; + NotifyEvent& operator=(const NotifyEvent&) = delete; + NotifyEvent& operator=(NotifyEvent&&) = delete; + + NotifyEventType GetType() const { return mnEventType; } + vcl::Window* GetWindow() const { return mpWindow; } + void* GetData() const { return mpData; } + const KeyEvent* GetKeyEvent() const; + const MouseEvent* GetMouseEvent() const; + const CommandEvent* GetCommandEvent() const; +}; + +inline const KeyEvent* NotifyEvent::GetKeyEvent() const +{ + if ( (mnEventType == NotifyEventType::KEYINPUT) || (mnEventType == NotifyEventType::KEYUP) ) + return static_cast<const KeyEvent*>(mpData); + else + return nullptr; +} + +inline const MouseEvent* NotifyEvent::GetMouseEvent() const +{ + if ( (mnEventType >= NotifyEventType::MOUSEBUTTONDOWN) && (mnEventType <= NotifyEventType::MOUSEMOVE) ) + return static_cast<const MouseEvent*>(mpData); + else + return nullptr; +} + +inline const CommandEvent* NotifyEvent::GetCommandEvent() const +{ + if ( mnEventType == NotifyEventType::COMMAND ) + return static_cast<const CommandEvent*>(mpData); + else + return nullptr; +} + + +enum class DataChangedEventType { + NONE = 0, + SETTINGS = 1, + DISPLAY = 2, + FONTS = 4, + PRINTER = 5, + FONTSUBSTITUTION = 6 +}; + +class VCL_DLLPUBLIC DataChangedEvent +{ +private: + const AllSettings* mpData; + AllSettingsFlags mnFlags; + DataChangedEventType mnType; + +public: + explicit DataChangedEvent( DataChangedEventType nType, + const AllSettings* pData = nullptr, + AllSettingsFlags nFlags = AllSettingsFlags::NONE ); + + DataChangedEventType GetType() const { return mnType; } + AllSettingsFlags GetFlags() const { return mnFlags; } + + const AllSettings* GetOldSettings() const; +}; + +inline DataChangedEvent::DataChangedEvent( DataChangedEventType nType, + const AllSettings* pData, + AllSettingsFlags nChangeFlags ) +{ + mpData = pData; + mnFlags = nChangeFlags; + mnType = nType; +} + +inline const AllSettings* DataChangedEvent::GetOldSettings() const +{ + if ( mnType == DataChangedEventType::SETTINGS ) + return mpData; + else + return nullptr; +} + +#endif // INCLUDED_VCL_EVENT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |