1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2003 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
23 *****************************************************************************/
25 #ifndef WINDOW_MANAGER_HPP
26 #define WINDOW_MANAGER_HPP
28 #include "skin_common.hpp"
29 #include "top_window.hpp"
42 /// Window manager for skin windows
43 class WindowManager: public SkinObject
47 WindowManager( intf_thread_t *pIntf);
50 virtual ~WindowManager();
52 /// Add a window to the list of known windows. Necessary if you want
53 /// your window to be movable...
54 void registerWindow( TopWindow &rWindow );
56 /// Remove a previously registered window
57 void unregisterWindow( TopWindow &rWindow );
59 /// Tell the window manager that a move is initiated for pWindow.
60 void startMove( TopWindow &rWindow );
62 /// Tell the window manager that the current move ended.
65 /// Move the pWindow window to (left, top), and move all its
67 /// If a new anchoring is detected, the windows will move accordingly.
68 void move( TopWindow &rWindow, int left, int top ) const;
70 /// Show all the registered windows
73 /// Hide all the registered windows
76 /// Synchronize the windows with their visibility variable
77 void synchVisibility() const;
79 /// Raise the given window
80 void raise( TopWindow &rWindow ) const { rWindow.raise(); }
82 /// Show the given window
83 void show( TopWindow &rWindow ) const { rWindow.show(); }
85 /// Hide the given window
86 void hide( TopWindow &rWindow ) const { rWindow.hide(); }
88 /// Toggle all the windows on top
91 /// Set the magnetism of screen edges
92 void setMagnetValue( int magnet ) { m_magnet = magnet; }
94 /// Set the alpha value of the static windows
95 void setAlphaValue( int alpha ) { m_alpha = alpha; }
97 /// Set the alpha value of the moving windows
98 void setMoveAlphaValue( int moveAlpha ) { m_moveAlpha = moveAlpha; }
100 /// Create the tooltip window
101 void createTooltip( const GenericFont &rTipFont );
103 /// Show the tooltip window
106 /// Hide the tooltip window
109 /// Add a layout of the given window. This new layout will be the
111 void addLayout( TopWindow &rWindow, GenericLayout &rLayout );
113 /// Change the active layout of the given window
114 void setActiveLayout( TopWindow &rWindow, GenericLayout &rLayout );
117 /// Some useful typedefs for lazy people like me
118 typedef set<TopWindow*> WinSet_t;
119 typedef list<Anchor*> AncList_t;
121 /// This map represents the graph of anchored windows: it associates
122 /// to a given window all the windows that are directly anchored by it.
123 /// This is not transitive, i.e. if a is in m_dep[b] and if b is in
124 /// m_dep[c], it doesn't mean that a is in m_dep[c] (in fact, it
125 /// would be extremely rare...)
126 map<TopWindow*, WinSet_t> m_dependencies;
127 /// Store all the windows
128 WinSet_t m_allWindows;
129 /// Store the moving windows; this set is updated at every start of
131 WinSet_t m_movingWindows;
132 /// Indicate whether the windows are currently on top
133 VariablePtr m_cVarOnTop;
134 /// Magnetism of the screen edges (= scope of action)
136 /// Alpha value of the static windows
138 /// Alpha value of the moving windows
143 /// Recursively build a set of windows anchored to the one given.
144 void buildDependSet( WinSet_t &rWinSet, TopWindow *pWindow );
146 /// Check anchoring: this function updates xOffset and yOffset,
147 /// to take care of a new anchoring (if any)
148 void checkAnchors( TopWindow *pWindow,
149 int &xOffset, int &yOffset ) const;