1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Cyril Deguet <asmax@via.ecp.fr>
8 * Olivier Teulière <ipkiss@via.ecp.fr>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 #ifndef WINDOW_MANAGER_HPP
26 #define WINDOW_MANAGER_HPP
28 #include "skin_common.hpp"
29 #include "top_window.hpp"
43 /// Window manager for skin windows
44 class WindowManager: public SkinObject
47 /// Direction of the resizing
51 kResizeSE, // South-East
53 kNone // Reserved for internal use
57 WindowManager( intf_thread_t *pIntf);
60 virtual ~WindowManager();
62 /// Add a window to the list of known windows. Necessary if you want
63 /// your window to be movable...
64 void registerWindow( TopWindow &rWindow );
66 /// Remove a previously registered window
67 void unregisterWindow( TopWindow &rWindow );
69 /// Tell the window manager that a move is initiated for rWindow
70 void startMove( TopWindow &rWindow );
72 /// Tell the window manager that the current move ended
76 * Move the rWindow window to (left, top), and move all its
78 * If a new anchoring is detected, the windows will move accordingly.
80 void move( TopWindow &rWindow, int left, int top ) const;
82 /// Tell the window manager that a resize is initiated for rWindow
83 void startResize( GenericLayout &rLayout, Direction_t direction );
85 /// Tell the window manager that the current resizing ended
89 * Resize the rWindow window to (width, height), and move all its
90 * anchored windows, if some anchors are moved during the resizing.
91 * If a new anchoring is detected, the windows will move (or resize)
94 void resize( GenericLayout &rLayout, int width, int height ) const;
96 /// Raise all the registered windows
97 void raiseAll() const;
99 /// Show all the registered windows
100 void showAll( bool firstTime = false ) const;
102 /// Hide all the registered windows
103 void hideAll() const;
105 /// Synchronize the windows with their visibility variable
106 void synchVisibility() const;
108 /// Raise the given window
109 void raise( TopWindow &rWindow ) const { rWindow.raise(); }
111 /// Show the given window
112 void show( TopWindow &rWindow ) const { rWindow.show(); }
114 /// Hide the given window
115 void hide( TopWindow &rWindow ) const { rWindow.hide(); }
117 /// Toggle all the windows on top
120 /// Set the magnetism of screen edges
121 void setMagnetValue( int magnet ) { m_magnet = magnet; }
123 /// Set the alpha value of the static windows
124 void setAlphaValue( int alpha ) { m_alpha = alpha; }
126 /// Set the alpha value of the moving windows
127 void setMoveAlphaValue( int moveAlpha ) { m_moveAlpha = moveAlpha; }
129 /// Create the tooltip window
130 void createTooltip( const GenericFont &rTipFont );
132 /// Show the tooltip window
135 /// Hide the tooltip window
138 /// Add a layout of the given window. This new layout will be the
140 void addLayout( TopWindow &rWindow, GenericLayout &rLayout );
142 /// Change the active layout of the given window
143 void setActiveLayout( TopWindow &rWindow, GenericLayout &rLayout );
145 /// Mark the given popup as active
146 void setActivePopup( Popup &rPopup ) { m_pPopup = &rPopup; }
148 /// Return the active popup, or NULL if none is active
149 Popup * getActivePopup() const { return m_pPopup; }
152 /// Some useful typedefs for lazy people like me
153 typedef set<TopWindow*> WinSet_t;
154 typedef list<Anchor*> AncList_t;
158 * This map represents the graph of anchored windows: it associates
159 * to a given window all the windows that are directly anchored by it.
160 * This is not transitive, i.e. if a is in m_dep[b] and if b is in
161 * m_dep[c], it doesn't mean that a is in m_dep[c] (in fact, it
162 * would be extremely rare...)
164 map<TopWindow*, WinSet_t> m_dependencies;
165 /// Store all the windows
166 WinSet_t m_allWindows;
167 /// Store the moving windows; this set is updated at every start of
169 WinSet_t m_movingWindows;
171 * Store the moving windows in the context of resizing
172 * These sets are updated at every start of move
175 WinSet_t m_resizeMovingE;
176 WinSet_t m_resizeMovingS;
177 WinSet_t m_resizeMovingSE;
179 /// Indicate whether the windows are currently on top
180 VariablePtr m_cVarOnTop;
181 /// Magnetism of the screen edges (= scope of action)
183 /// Alpha value of the static windows
185 /// Alpha value of the moving windows
187 /// Direction of the current resizing
188 Direction_t m_direction;
191 /// Active popup, if any
194 /// Recursively build a set of windows anchored to the one given.
195 void buildDependSet( WinSet_t &rWinSet, TopWindow *pWindow );
199 * This function updates xOffset and yOffset, to take care of a new
202 void checkAnchors( TopWindow *pWindow,
203 int &xOffset, int &yOffset ) const;