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 #include "window_manager.hpp"
26 #include "generic_layout.hpp"
27 #include "generic_window.hpp"
28 #include "os_factory.hpp"
30 #include "tooltip.hpp"
31 #include "../utils/position.hpp"
32 #include "../src/var_manager.hpp"
35 WindowManager::WindowManager( intf_thread_t *pIntf ):
36 SkinObject( pIntf ), m_magnet( 0 ), m_pTooltip( NULL )
38 // Create and register a variable for the "on top" status
39 VarManager *pVarManager = VarManager::instance( getIntf() );
40 m_cVarOnTop = VariablePtr( new VarBoolImpl( getIntf() ) );
41 pVarManager->registerVar( m_cVarOnTop, "vlc.isOnTop" );
45 WindowManager::~WindowManager()
51 void WindowManager::registerWindow( TopWindow &rWindow )
53 // Add the window to the set
54 m_allWindows.insert( &rWindow );
58 void WindowManager::unregisterWindow( TopWindow &rWindow )
60 // Erase every possible reference to the window
61 m_allWindows.erase( &rWindow );
62 m_movingWindows.erase( &rWindow );
63 m_dependencies.erase( &rWindow );
67 void WindowManager::startMove( TopWindow &rWindow )
69 // Rebuild the set of moving windows
70 m_movingWindows.clear();
71 buildDependSet( m_movingWindows, &rWindow );
74 if( config_GetInt( getIntf(), "skins2-transparency" ) )
76 // Change the opacity of the moving windows
77 WinSet_t::const_iterator it;
78 for( it = m_movingWindows.begin(); it != m_movingWindows.end(); it++ )
80 (*it)->setOpacity( m_moveAlpha );
83 // FIXME: We need to refresh the windows, because if 2 windows overlap
84 // and one of them becomes transparent, the other one is not refreshed
85 // automatically. I don't know why... -- Ipkiss
86 for( it = m_allWindows.begin(); it != m_allWindows.end(); it++ )
88 (*it)->refresh( 0, 0, (*it)->getWidth(), (*it)->getHeight() );
95 void WindowManager::stopMove()
97 WinSet_t::const_iterator itWin1, itWin2;
98 AncList_t::const_iterator itAnc1, itAnc2;
101 if( config_GetInt( getIntf(), "skins2-transparency" ) )
103 // Restore the opacity of the moving windows
104 WinSet_t::const_iterator it;
105 for( it = m_movingWindows.begin(); it != m_movingWindows.end(); it++ )
107 (*it)->setOpacity( m_alpha );
112 // Delete the dependencies
113 m_dependencies.clear();
115 // Now we rebuild the dependencies.
116 // Iterate through all the windows
117 for( itWin1 = m_allWindows.begin(); itWin1 != m_allWindows.end(); itWin1++ )
119 // Get the anchors of the layout associated to the window
120 const AncList_t &ancList1 =
121 (*itWin1)->getActiveLayout().getAnchorList();
123 // Iterate through all the windows, starting with (*itWin1)
124 for( itWin2 = itWin1; itWin2 != m_allWindows.end(); itWin2++ )
126 // A window can't anchor itself...
127 if( (*itWin2) == (*itWin1) )
130 // Now, check for anchoring between the 2 windows
131 const AncList_t &ancList2 =
132 (*itWin2)->getActiveLayout().getAnchorList();
133 for( itAnc1 = ancList1.begin(); itAnc1 != ancList1.end(); itAnc1++ )
135 for( itAnc2 = ancList2.begin();
136 itAnc2 != ancList2.end(); itAnc2++ )
138 if( (*itAnc1)->isHanging( **itAnc2 ) )
140 // (*itWin1) anchors (*itWin2)
141 m_dependencies[*itWin1].insert( *itWin2 );
143 else if( (*itAnc2)->isHanging( **itAnc1 ) )
145 // (*itWin2) anchors (*itWin1)
146 m_dependencies[*itWin2].insert( *itWin1 );
155 void WindowManager::move( TopWindow &rWindow, int left, int top ) const
157 // Compute the real move offset
158 int xOffset = left - rWindow.getLeft();
159 int yOffset = top - rWindow.getTop();
161 // Check anchoring; this can change the values of xOffset and yOffset
162 checkAnchors( &rWindow, xOffset, yOffset );
164 // Move all the windows
165 WinSet_t::const_iterator it;
166 for( it = m_movingWindows.begin(); it != m_movingWindows.end(); it++ )
168 (*it)->move( (*it)->getLeft() + xOffset, (*it)->getTop() + yOffset );
173 void WindowManager::synchVisibility() const
175 WinSet_t::const_iterator it;
176 for( it = m_allWindows.begin(); it != m_allWindows.end(); it++ )
178 // Show the window if it has to be visible
179 if( (*it)->getVisibleVar().get() )
187 void WindowManager::showAll() const
189 // Show all the windows
190 WinSet_t::const_iterator it;
191 for( it = m_allWindows.begin(); it != m_allWindows.end(); it++ )
194 (*it)->setOpacity( m_alpha );
199 void WindowManager::hideAll() const
201 WinSet_t::const_iterator it;
202 for( it = m_allWindows.begin(); it != m_allWindows.end(); it++ )
209 void WindowManager::toggleOnTop()
211 // Update the boolean variable
212 VarBoolImpl *pVarOnTop = (VarBoolImpl*)m_cVarOnTop.get();
213 pVarOnTop->set( !pVarOnTop->get() );
215 // Toggle the "on top" status
216 WinSet_t::const_iterator it;
217 for( it = m_allWindows.begin(); it != m_allWindows.end(); it++ )
219 (*it)->toggleOnTop( pVarOnTop->get() );
224 void WindowManager::buildDependSet( WinSet_t &rWinSet,
227 // pWindow is in the set
228 rWinSet.insert( pWindow );
230 // Iterate through the anchored windows
231 const WinSet_t &anchored = m_dependencies[pWindow];
232 WinSet_t::const_iterator iter;
233 for( iter = anchored.begin(); iter != anchored.end(); iter++ )
235 // Check that the window isn't already in the set before adding it
236 if( rWinSet.find( *iter ) == rWinSet.end() )
238 buildDependSet( rWinSet, *iter );
244 void WindowManager::checkAnchors( TopWindow *pWindow,
245 int &xOffset, int &yOffset ) const
247 WinSet_t::const_iterator itMov, itSta;
248 AncList_t::const_iterator itAncMov, itAncSta;
250 // Check magnetism with screen edges first (actually it is the work area)
251 Rect workArea = OSFactory::instance( getIntf() )->getWorkArea();
252 // Iterate through the moving windows
253 for( itMov = m_movingWindows.begin();
254 itMov != m_movingWindows.end(); itMov++ )
256 int newLeft = (*itMov)->getLeft() + xOffset;
257 int newTop = (*itMov)->getTop() + yOffset;
258 if( newLeft > workArea.getLeft() - m_magnet &&
259 newLeft < workArea.getLeft() + m_magnet )
261 xOffset = workArea.getLeft() - (*itMov)->getLeft();
263 if( newTop > workArea.getTop() - m_magnet &&
264 newTop < workArea.getTop() + m_magnet )
266 yOffset = workArea.getTop() - (*itMov)->getTop();
268 if( newLeft + (*itMov)->getWidth() > workArea.getRight() - m_magnet &&
269 newLeft + (*itMov)->getWidth() < workArea.getRight() + m_magnet )
271 xOffset = workArea.getRight() - (*itMov)->getLeft()
272 - (*itMov)->getWidth();
274 if( newTop + (*itMov)->getHeight() > workArea.getBottom() - m_magnet &&
275 newTop + (*itMov)->getHeight() < workArea.getBottom() + m_magnet )
277 yOffset = workArea.getBottom() - (*itMov)->getTop()
278 - (*itMov)->getHeight();
282 // Iterate through the moving windows
283 for( itMov = m_movingWindows.begin();
284 itMov != m_movingWindows.end(); itMov++ )
286 // Skip the invisible windows
287 if( ! (*itMov)->getVisibleVar().get() )
292 // Get the anchors in the main layout of this moving window
293 const AncList_t &movAnchors =
294 (*itMov)->getActiveLayout().getAnchorList();
296 // Iterate through the static windows
297 for( itSta = m_allWindows.begin();
298 itSta != m_allWindows.end(); itSta++ )
300 // Skip the moving windows and the invisible ones
301 if( m_movingWindows.find( (*itSta) ) != m_movingWindows.end() ||
302 ! (*itSta)->getVisibleVar().get() )
307 // Get the anchors in the main layout of this static window
308 const AncList_t &staAnchors =
309 (*itSta)->getActiveLayout().getAnchorList();
311 // Check if there is an anchoring between one of the movAnchors
312 // and one of the staAnchors
313 for( itAncMov = movAnchors.begin();
314 itAncMov != movAnchors.end(); itAncMov++ )
316 for( itAncSta = staAnchors.begin();
317 itAncSta != staAnchors.end(); itAncSta++ )
319 if( (*itAncSta)->canHang( **itAncMov, xOffset, yOffset ) )
321 // We have found an anchoring!
322 // There is nothing to do here, since xOffset and
323 // yOffset are automatically modified by canHang()
325 // Don't check the other anchors, one is enough...
330 // Temporary variables
331 int xOffsetTemp = -xOffset;
332 int yOffsetTemp = -yOffset;
333 if( (*itAncMov)->canHang( **itAncSta, xOffsetTemp,
336 // We have found an anchoring!
337 // xOffsetTemp and yOffsetTemp have been updated,
338 // we just need to change xOffset and yOffset
339 xOffset = -xOffsetTemp;
340 yOffset = -yOffsetTemp;
342 // Don't check the other anchors, one is enough...
353 void WindowManager::createTooltip( const GenericFont &rTipFont )
355 // Create the tooltip window
358 m_pTooltip = new Tooltip( getIntf(), rTipFont, 500 );
362 msg_Warn( getIntf(), "Tooltip already created!");
367 void WindowManager::showTooltip()
376 void WindowManager::hideTooltip()
385 void WindowManager::addLayout( TopWindow &rWindow, GenericLayout &rLayout )
387 rWindow.setActiveLayout( &rLayout );
391 void WindowManager::setActiveLayout( TopWindow &rWindow,
392 GenericLayout &rLayout )
394 rWindow.setActiveLayout( &rLayout );
395 // Rebuild the dependencies