top_window.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:15k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * top_window.cpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: f10b90cacc46e3d93772ced90585cd446c784328 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #include "top_window.hpp"
- #include "generic_layout.hpp"
- #include "os_graphics.hpp"
- #include "os_window.hpp"
- #include "os_factory.hpp"
- #include "theme.hpp"
- #include "var_manager.hpp"
- #include "../commands/cmd_on_top.hpp"
- #include "../commands/cmd_dialogs.hpp"
- #include "../controls/ctrl_generic.hpp"
- #include "../events/evt_refresh.hpp"
- #include "../events/evt_enter.hpp"
- #include "../events/evt_focus.hpp"
- #include "../events/evt_leave.hpp"
- #include "../events/evt_menu.hpp"
- #include "../events/evt_motion.hpp"
- #include "../events/evt_mouse.hpp"
- #include "../events/evt_key.hpp"
- #include "../events/evt_special.hpp"
- #include "../events/evt_scroll.hpp"
- #include "../utils/position.hpp"
- #include "../utils/ustring.hpp"
- #include <vlc_keys.h>
- TopWindow::TopWindow( intf_thread_t *pIntf, int left, int top,
- WindowManager &rWindowManager,
- bool dragDrop, bool playOnDrop, bool visible ):
- GenericWindow( pIntf, left, top, dragDrop, playOnDrop, NULL ),
- m_visible( visible ), m_rWindowManager( rWindowManager ),
- m_pActiveLayout( NULL ), m_pLastHitControl( NULL ),
- m_pCapturingControl( NULL ), m_pFocusControl( NULL ), m_currModifier( 0 )
- {
- // Register as a moving window
- m_rWindowManager.registerWindow( *this );
- // Create the "maximized" variable and register it in the manager
- m_pVarMaximized = new VarBoolImpl( pIntf );
- VarManager::instance( pIntf )->registerVar( VariablePtr( m_pVarMaximized ) );
- }
- TopWindow::~TopWindow()
- {
- // Unregister from the window manager
- m_rWindowManager.unregisterWindow( *this );
- }
- void TopWindow::processEvent( EvtRefresh &rEvtRefresh )
- {
- // We override the behaviour defined in GenericWindow, because we don't
- // want to draw on a video control!
- if( m_pActiveLayout == NULL )
- {
- GenericWindow::processEvent( rEvtRefresh );
- }
- else
- {
- m_pActiveLayout->refreshRect( rEvtRefresh.getXStart(),
- rEvtRefresh.getYStart(),
- rEvtRefresh.getWidth(),
- rEvtRefresh.getHeight() );
- }
- }
- void TopWindow::processEvent( EvtFocus &rEvtFocus )
- {
- // fprintf(stderr, rEvtFocus.getAsString().c_str());
- }
- void TopWindow::processEvent( EvtMenu &rEvtMenu )
- {
- Popup *pPopup = m_rWindowManager.getActivePopup();
- // We should never receive a menu event when there is no active popup!
- if( pPopup == NULL )
- {
- msg_Warn( getIntf(), "unexpected menu event, ignoring" );
- return;
- }
- pPopup->handleEvent( rEvtMenu );
- }
- void TopWindow::processEvent( EvtMotion &rEvtMotion )
- {
- // New control hit by the mouse
- CtrlGeneric *pNewHitControl =
- findHitControl( rEvtMotion.getXPos() - getLeft(),
- rEvtMotion.getYPos() - getTop() );
- setLastHit( pNewHitControl );
- /// Update the help text
- VarManager *pVarManager = VarManager::instance( getIntf() );
- if( pNewHitControl )
- {
- pVarManager->getHelpText().set( pNewHitControl->getHelpText() );
- }
- // Send a motion event to the hit control, or to the control
- // that captured the mouse, if any
- CtrlGeneric *pActiveControl = pNewHitControl;
- if( m_pCapturingControl )
- {
- pActiveControl = m_pCapturingControl;
- }
- if( pActiveControl )
- {
- // Compute the coordinates relative to the window
- int xPos = rEvtMotion.getXPos() - getLeft();
- int yPos = rEvtMotion.getYPos() - getTop();
- // Send a motion event
- EvtMotion evt( getIntf(), xPos, yPos );
- pActiveControl->handleEvent( evt );
- }
- }
- void TopWindow::processEvent( EvtLeave &rEvtLeave )
- {
- // No more hit control
- setLastHit( NULL );
- if( !m_pCapturingControl )
- {
- m_rWindowManager.hideTooltip();
- }
- }
- void TopWindow::processEvent( EvtMouse &rEvtMouse )
- {
- // Get the control hit by the mouse
- CtrlGeneric *pNewHitControl = findHitControl( rEvtMouse.getXPos(),
- rEvtMouse.getYPos() );
- setLastHit( pNewHitControl );
- // Change the focused control
- if( rEvtMouse.getAction() == EvtMouse::kDown )
- {
- // Raise the window
- m_rWindowManager.raise( *this );
- if( pNewHitControl && pNewHitControl->isFocusable() )
- {
- // If a new control gains the focus, the previous one loses it
- if( m_pFocusControl && m_pFocusControl != pNewHitControl )
- {
- EvtFocus evt( getIntf(), false );
- m_pFocusControl->handleEvent( evt );
- }
- if( pNewHitControl != m_pFocusControl )
- {
- m_pFocusControl = pNewHitControl;
- EvtFocus evt( getIntf(), false );
- pNewHitControl->handleEvent( evt );
- }
- }
- else if( m_pFocusControl )
- {
- // The previous control loses the focus
- EvtFocus evt( getIntf(), false );
- m_pFocusControl->handleEvent( evt );
- m_pFocusControl = NULL;
- }
- }
- // Send a mouse event to the hit control, or to the control
- // that captured the mouse, if any
- CtrlGeneric *pActiveControl = pNewHitControl;
- if( m_pCapturingControl )
- {
- pActiveControl = m_pCapturingControl;
- }
- if( pActiveControl )
- {
- pActiveControl->handleEvent( rEvtMouse );
- }
- }
- void TopWindow::processEvent( EvtKey &rEvtKey )
- {
- // Forward the event to the focused control, if any
- if( m_pFocusControl )
- {
- m_pFocusControl->handleEvent( rEvtKey );
- return;
- }
- // Only do the action when the key is down
- if( rEvtKey.getAsString().find( "key:down") != string::npos )
- {
- //XXX not to be hardcoded!
- // Ctrl-S = Change skin
- if( (rEvtKey.getMod() & EvtInput::kModCtrl) &&
- rEvtKey.getKey() == 's' )
- {
- CmdDlgChangeSkin cmd( getIntf() );
- cmd.execute();
- return;
- }
- //XXX not to be hardcoded!
- // Ctrl-T = Toggle on top
- if( (rEvtKey.getMod() & EvtInput::kModCtrl) &&
- rEvtKey.getKey() == 't' )
- {
- CmdOnTop cmd( getIntf() );
- cmd.execute();
- return;
- }
- vlc_value_t val;
- // Set the key
- val.i_int = rEvtKey.getKey();
- // Set the modifiers
- if( rEvtKey.getMod() & EvtInput::kModAlt )
- {
- val.i_int |= KEY_MODIFIER_ALT;
- }
- if( rEvtKey.getMod() & EvtInput::kModCtrl )
- {
- val.i_int |= KEY_MODIFIER_CTRL;
- }
- if( rEvtKey.getMod() & EvtInput::kModShift )
- {
- val.i_int |= KEY_MODIFIER_SHIFT;
- }
- var_Set( getIntf()->p_libvlc, "key-pressed", val );
- }
- // Always store the modifier, which can be needed for scroll events
- m_currModifier = rEvtKey.getMod();
- }
- void TopWindow::processEvent( EvtScroll &rEvtScroll )
- {
- // Raise the windows
- raise();
- // Get the control hit by the mouse
- CtrlGeneric *pNewHitControl = findHitControl( rEvtScroll.getXPos(),
- rEvtScroll.getYPos());
- setLastHit( pNewHitControl );
- // Send a mouse event to the hit control, or to the control
- // that captured the mouse, if any
- CtrlGeneric *pActiveControl = pNewHitControl;
- if( m_pCapturingControl )
- {
- pActiveControl = m_pCapturingControl;
- }
- if( pActiveControl )
- {
- pActiveControl->handleEvent( rEvtScroll );
- }
- else
- {
- // Treat the scroll event as a hotkey
- vlc_value_t val;
- if( rEvtScroll.getDirection() == EvtScroll::kUp )
- {
- val.i_int = KEY_MOUSEWHEELUP;
- }
- else
- {
- val.i_int = KEY_MOUSEWHEELDOWN;
- }
- // Add the modifiers
- val.i_int |= m_currModifier;
- var_Set( getIntf()->p_libvlc, "key-pressed", val );
- }
- }
- void TopWindow::forwardEvent( EvtGeneric &rEvt, CtrlGeneric &rCtrl )
- {
- // XXX: We should do some checks here
- rCtrl.handleEvent( rEvt );
- }
- void TopWindow::refresh( int left, int top, int width, int height )
- {
- if( m_pActiveLayout )
- {
- m_pActiveLayout->getImage()->copyToWindow( *getOSWindow(), left, top,
- width, height, left, top );
- }
- }
- void TopWindow::setActiveLayout( GenericLayout *pLayout )
- {
- bool isVisible = getVisibleVar().get();
- if( m_pActiveLayout )
- {
- if( isVisible )
- {
- m_pActiveLayout->onHide();
- }
- // The current layout becomes inactive
- m_pActiveLayout->getActiveVar().set( false );
- }
- pLayout->setWindow( this );
- m_pActiveLayout = pLayout;
- // Get the size of the layout and resize the window
- resize( pLayout->getWidth(), pLayout->getHeight() );
- updateShape();
- if( isVisible )
- {
- pLayout->onShow();
- }
- // The new layout is active
- pLayout->getActiveVar().set( true );
- }
- const GenericLayout& TopWindow::getActiveLayout() const
- {
- return *m_pActiveLayout;
- }
- void TopWindow::innerShow()
- {
- // First, refresh the layout and update the shape of the window
- if( m_pActiveLayout )
- {
- updateShape();
- m_pActiveLayout->onShow();
- }
- // Show the window
- GenericWindow::innerShow();
- }
- void TopWindow::innerHide()
- {
- if( m_pActiveLayout )
- {
- // Notify the active layout
- m_pActiveLayout->onHide();
- }
- // Hide the window
- GenericWindow::innerHide();
- }
- void TopWindow::updateShape()
- {
- // Set the shape of the window
- if( m_pActiveLayout )
- {
- OSGraphics *pImage = m_pActiveLayout->getImage();
- if( pImage )
- {
- pImage->applyMaskToWindow( *getOSWindow() );
- }
- }
- }
- void TopWindow::onControlCapture( const CtrlGeneric &rCtrl )
- {
- // Set the capturing control
- m_pCapturingControl = (CtrlGeneric*) &rCtrl;
- }
- void TopWindow::onControlRelease( const CtrlGeneric &rCtrl )
- {
- // Release the capturing control
- if( m_pCapturingControl == &rCtrl )
- {
- m_pCapturingControl = NULL;
- }
- else
- {
- msg_Dbg( getIntf(), "control had not captured the mouse" );
- }
- // Send an enter event to the control under the mouse, if it doesn't
- // have received it yet
- if( m_pLastHitControl && m_pLastHitControl != &rCtrl )
- {
- EvtEnter evt( getIntf() );
- m_pLastHitControl->handleEvent( evt );
- // Show the tooltip
- m_rWindowManager.hideTooltip();
- UString tipText = m_pLastHitControl->getTooltipText();
- if( tipText.length() > 0 )
- {
- // Set the tooltip text variable
- VarManager *pVarManager = VarManager::instance( getIntf() );
- pVarManager->getTooltipText().set( tipText );
- m_rWindowManager.showTooltip();
- }
- }
- }
- void TopWindow::onTooltipChange( const CtrlGeneric &rCtrl )
- {
- // Check that the control is the active one
- if( m_pLastHitControl && m_pLastHitControl == &rCtrl )
- {
- if( rCtrl.getTooltipText().size() )
- {
- // Set the tooltip text variable
- VarManager *pVarManager = VarManager::instance( getIntf() );
- pVarManager->getTooltipText().set( rCtrl.getTooltipText() );
- m_rWindowManager.showTooltip();
- }
- else
- {
- // Nothing to display, so hide the tooltip
- m_rWindowManager.hideTooltip();
- }
- }
- }
- CtrlGeneric *TopWindow::findHitControl( int xPos, int yPos )
- {
- if( m_pActiveLayout == NULL )
- {
- return NULL;
- }
- // Get the controls in the active layout
- const list<LayeredControl> &ctrlList = m_pActiveLayout->getControlList();
- list<LayeredControl>::const_reverse_iterator iter;
- // New control hit by the mouse
- CtrlGeneric *pNewHitControl = NULL;
- // Loop on the control list to find the uppest hit control
- for( iter = ctrlList.rbegin(); iter != ctrlList.rend(); iter++ )
- {
- // Get the position of the control in the layout
- const Position *pos = (*iter).m_pControl->getPosition();
- if( pos != NULL )
- {
- // Compute the coordinates of the mouse relative to the control
- int xRel = xPos - pos->getLeft();
- int yRel = yPos - pos->getTop();
- CtrlGeneric *pCtrl = (*iter).m_pControl;
- // Control hit ?
- if( pCtrl->isVisible() && pCtrl->mouseOver( xRel, yRel ) )
- {
- pNewHitControl = (*iter).m_pControl;
- break;
- }
- }
- else
- {
- msg_Dbg( getIntf(), "control at NULL position" );
- }
- }
- // If the hit control has just been entered, send it an enter event
- if( pNewHitControl && (pNewHitControl != m_pLastHitControl) )
- {
- // Don't send the event if another control captured the mouse
- if( !m_pCapturingControl || (m_pCapturingControl == pNewHitControl ) )
- {
- EvtEnter evt( getIntf() );
- pNewHitControl->handleEvent( evt );
- if( !m_pCapturingControl )
- {
- // Show the tooltip
- m_rWindowManager.hideTooltip();
- UString tipText = pNewHitControl->getTooltipText();
- if( tipText.length() > 0 )
- {
- // Set the tooltip text variable
- VarManager *pVarManager = VarManager::instance( getIntf() );
- pVarManager->getTooltipText().set( tipText );
- m_rWindowManager.showTooltip();
- }
- }
- }
- }
- return pNewHitControl;
- }
- void TopWindow::setLastHit( CtrlGeneric *pNewHitControl )
- {
- // Send a leave event to the left control
- if( m_pLastHitControl && (pNewHitControl != m_pLastHitControl) )
- {
- // Don't send the event if another control captured the mouse
- if( !m_pCapturingControl || (m_pCapturingControl == m_pLastHitControl))
- {
- EvtLeave evt( getIntf() );
- m_pLastHitControl->handleEvent( evt );
- }
- }
- m_pLastHitControl = pNewHitControl;
- }