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| -rw-r--r-- | vcl/inc/unx/wmadaptor.hxx | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/vcl/inc/unx/wmadaptor.hxx b/vcl/inc/unx/wmadaptor.hxx new file mode 100644 index 0000000000..6d3ee56277 --- /dev/null +++ b/vcl/inc/unx/wmadaptor.hxx @@ -0,0 +1,292 @@ +/* -*- 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 . + */ + +#pragma once + +#include <rtl/ustring.hxx> +#include <tools/gen.hxx> + +#include <X11/Xlib.h> + +#include "salframe.h" +#include <vector> + +class SalDisplay; +class X11SalFrame; + +namespace vcl_sal { + +class WMAdaptor +{ +public: + enum WMAtom { + // atoms for types + UTF8_STRING, + + // atoms for extended WM hints + NET_ACTIVE_WINDOW, + NET_SUPPORTED, + NET_SUPPORTING_WM_CHECK, + NET_WM_NAME, + NET_WM_DESKTOP, + NET_WM_ICON_NAME, + NET_WM_PID, + NET_WM_PING, + NET_WM_STATE, + NET_WM_STATE_MAXIMIZED_HORZ, + NET_WM_STATE_MAXIMIZED_VERT, + NET_WM_STATE_MODAL, + NET_WM_STATE_SKIP_PAGER, + NET_WM_STATE_SKIP_TASKBAR, + NET_WM_STATE_STAYS_ON_TOP, + NET_WM_STATE_STICKY, + NET_WM_STATE_FULLSCREEN, + NET_WM_STRUT, + NET_WM_STRUT_PARTIAL, + NET_WM_USER_TIME, + NET_WM_WINDOW_TYPE, + NET_WM_WINDOW_TYPE_DESKTOP, + NET_WM_WINDOW_TYPE_DIALOG, + NET_WM_WINDOW_TYPE_DOCK, + NET_WM_WINDOW_TYPE_MENU, + NET_WM_WINDOW_TYPE_NORMAL, + NET_WM_WINDOW_TYPE_TOOLBAR, + KDE_NET_WM_WINDOW_TYPE_OVERRIDE, + NET_WM_WINDOW_TYPE_SPLASH, + NET_WM_WINDOW_TYPE_UTILITY, + NET_NUMBER_OF_DESKTOPS, + NET_CURRENT_DESKTOP, + NET_WORKAREA, + NET_WM_ICON, + + // atoms for Gnome WM hints + WIN_SUPPORTING_WM_CHECK, + WIN_PROTOCOLS, + WIN_WORKSPACE_COUNT, + WIN_WORKSPACE, + WIN_LAYER, + WIN_STATE, + WIN_HINTS, + WIN_APP_STATE, + WIN_EXPANDED_SIZE, + WIN_ICONS, + WIN_CLIENT_LIST, + + // atoms for general WM hints + WM_STATE, + MOTIF_WM_HINTS, + WM_PROTOCOLS, + WM_DELETE_WINDOW, + WM_TAKE_FOCUS, + WM_CLIENT_LEADER, + WM_COMMAND, + WM_LOCALE_NAME, + WM_TRANSIENT_FOR, + + // special atoms + SAL_QUITEVENT, + SAL_USEREVENT, + SAL_EXTTEXTEVENT, + SAL_GETTIMEEVENT, + VCL_SYSTEM_SETTINGS, + XSETTINGS, + XEMBED, + XEMBED_INFO, + NetAtomMax + }; + + /* + * flags for frame decoration + */ + static const int decoration_Title = 0x00000001; + static const int decoration_Border = 0x00000002; + static const int decoration_Resize = 0x00000004; + static const int decoration_MinimizeBtn = 0x00000008; + static const int decoration_MaximizeBtn = 0x00000010; + static const int decoration_CloseBtn = 0x00000020; + static const int decoration_All = 0x10000000; + +protected: + SalDisplay* m_pSalDisplay; // Display to use + Display* m_pDisplay; // X Display of SalDisplay + OUString m_aWMName; + Atom m_aWMAtoms[ NetAtomMax]; + int m_nDesktops; + bool m_bEqualWorkAreas; + ::std::vector< AbsoluteScreenPixelRectangle > + m_aWMWorkAreas; + bool m_bEnableAlwaysOnTopWorks; + bool m_bLegacyPartialFullscreen; + int m_nWinGravity; + int m_nInitWinGravity; + bool m_bWMshouldSwitchWorkspace; + bool m_bWMshouldSwitchWorkspaceInit; + + WMAdaptor( SalDisplay * ) +; + void initAtoms(); + bool getNetWmName(); + + /* + * returns whether this instance is useful + * only useful for createWMAdaptor + */ + virtual bool isValid() const; + + bool getWMshouldSwitchWorkspace() const; +public: + virtual ~WMAdaptor(); + + /* + * creates a valid WMAdaptor instance for the SalDisplay + */ + static std::unique_ptr<WMAdaptor> createWMAdaptor( SalDisplay* ); + + /* + * may return an empty string if the window manager could + * not be identified. + */ + const OUString& getWindowManagerName() const + { return m_aWMName; } + + /* + * gets the current work area/desktop number: [0,m_nDesktops[ or -1 if unknown + */ + int getCurrentWorkArea() const; + /* + * gets the workarea the specified window is on (or -1) + */ + int getWindowWorkArea( ::Window aWindow ) const; + /* + * gets the specified workarea + */ + const AbsoluteScreenPixelRectangle& getWorkArea( int n ) const + { return m_aWMWorkAreas[n]; } + + /* + * attempt to switch the desktop to a certain workarea (ie. virtual desktops) + */ + void switchToWorkArea( int nWorkArea ) const; + + /* + * sets window title + */ + virtual void setWMName( X11SalFrame* pFrame, const OUString& rWMName ) const; + + /* + * set NET_WM_PID + */ + void setPID( X11SalFrame const * pFrame ) const; + + /* + * set WM_CLIENT_MACHINE + */ + void setClientMachine( X11SalFrame const * pFrame ) const; + + void answerPing( X11SalFrame const *, XClientMessageEvent const * ) const; + + /* + * maximizes frame + * maximization can be toggled in either direction + * to get the original position and size + * use maximizeFrame( pFrame, false, false ) + */ + virtual void maximizeFrame( X11SalFrame* pFrame, bool bHorizontal = true, bool bVertical = true ) const; + /* + * start/stop fullscreen mode on a frame + */ + virtual void showFullScreen( X11SalFrame* pFrame, bool bFullScreen ) const; + /* + * tell whether legacy partial full screen handling is necessary + * see #i107249#: NET_WM_STATE_FULLSCREEN is not well defined, but de facto + * modern WM's interpret it the "right" way, namely they make "full screen" + * taking twin view or Xinerama into account and honor the positioning hints + * to see which screen actually was meant to use for fullscreen. + */ + bool isLegacyPartialFullscreen() const + { return m_bLegacyPartialFullscreen; } + /* + * set _NET_WM_USER_TIME property, if NetWM + */ + virtual void setUserTime( X11SalFrame* i_pFrame, tools::Long i_nUserTime ) const; + + /* + * tells whether fullscreen mode is supported by WM + */ + bool supportsFullScreen() const { return m_aWMAtoms[ NET_WM_STATE_FULLSCREEN ] != 0; } + + /* + * set hints what decoration is needed; + * must be called before showing the frame + */ + virtual void setFrameTypeAndDecoration( X11SalFrame* pFrame, WMWindowType eType, int nDecorationFlags, X11SalFrame* pTransientFrame ) const; + + /* + * tells whether there is WM support for splash screens + */ + bool supportsSplash() const { return m_aWMAtoms[ NET_WM_WINDOW_TYPE_SPLASH ] != 0; } + + /* + * enables always on top or equivalent if possible + */ + virtual void enableAlwaysOnTop( X11SalFrame* pFrame, bool bEnable ) const; + + /* + * tells whether enableAlwaysOnTop actually works with this WM + */ + bool isAlwaysOnTopOK() const { return m_bEnableAlwaysOnTopWorks; } + + /* + * handle WM messages (especially WM state changes) + */ + virtual int handlePropertyNotify( X11SalFrame* pFrame, XPropertyEvent* pEvent ) const; + + /* + * called by SalFrame::Show: time to update state properties + */ + virtual void frameIsMapping( X11SalFrame* ) const; + + /* + * gets a WM atom + */ + Atom getAtom( WMAtom eAtom ) const + { return m_aWMAtoms[ eAtom ]; } + + int getPositionWinGravity () const + { return m_nWinGravity; } + int getInitWinGravity() const + { return m_nInitWinGravity; } + + /* + * changes the transient hint of a window to reference frame + * if reference frame is NULL the root window is used instead + */ + void changeReferenceFrame( X11SalFrame* pFrame, X11SalFrame const * pReferenceFrame ) const; + + /* + * Requests the change of active window by sending + * _NET_ACTIVE_WINDOW message to the frame. The frame + * has to be mapped + */ + void activateWindow( X11SalFrame const *pFrame, Time nTimestamp ); +}; + +} // namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |