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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <svtools/toolpanel/drawerlayouter.hxx>
22 : #include "toolpaneldrawer.hxx"
23 :
24 : #include <com/sun/star/accessibility/XAccessible.hpp>
25 :
26 : #include <comphelper/accimplaccess.hxx>
27 : #include <tools/diagnose_ex.h>
28 :
29 :
30 : namespace svt
31 : {
32 :
33 :
34 : using ::com::sun::star::uno::Reference;
35 : using ::com::sun::star::accessibility::XAccessible;
36 :
37 :
38 : //= DrawerDeckLayouter
39 :
40 :
41 0 : DrawerDeckLayouter::DrawerDeckLayouter( vcl::Window& i_rParentWindow, IToolPanelDeck& i_rPanels )
42 : :m_rParentWindow( i_rParentWindow )
43 : ,m_rPanelDeck( i_rPanels )
44 : ,m_aDrawers()
45 0 : ,m_aLastKnownActivePanel()
46 : {
47 0 : m_rPanelDeck.AddListener( *this );
48 :
49 : // simulate PanelInserted events for the panels which are already there
50 0 : for ( size_t i=0; i<m_rPanelDeck.GetPanelCount(); ++i )
51 0 : PanelInserted( m_rPanelDeck.GetPanel( i ), i );
52 0 : }
53 :
54 :
55 0 : DrawerDeckLayouter::~DrawerDeckLayouter()
56 : {
57 0 : }
58 :
59 :
60 0 : Rectangle DrawerDeckLayouter::Layout( const Rectangle& i_rDeckPlayground )
61 : {
62 0 : const size_t nPanelCount( m_rPanelDeck.GetPanelCount() );
63 0 : if ( nPanelCount == 0 )
64 0 : return i_rDeckPlayground;
65 :
66 0 : const int nWidth( i_rDeckPlayground.GetWidth() );
67 0 : ::boost::optional< size_t > aActivePanel( m_rPanelDeck.GetActivePanel() );
68 0 : if ( !aActivePanel )
69 0 : aActivePanel = m_aLastKnownActivePanel;
70 :
71 : // arrange the title bars which are *above* the active panel (or *all* if there is no active panel), plus
72 : // the title bar of the active panel itself
73 0 : Point aUpperDrawerPos( i_rDeckPlayground.TopLeft() );
74 0 : const size_t nUpperBound = !!aActivePanel ? *aActivePanel : nPanelCount - 1;
75 0 : for ( size_t i=0; i<=nUpperBound; ++i )
76 : {
77 0 : long const nDrawerHeight = m_aDrawers[i]->GetPreferredHeightPixel();
78 0 : m_aDrawers[i]->SetPosSizePixel(
79 0 : aUpperDrawerPos, Size( nWidth, nDrawerHeight ) );
80 0 : aUpperDrawerPos.Move( 0, nDrawerHeight );
81 : }
82 :
83 : // arrange title bars which are below the active panel (or *none* if there is no active panel)
84 0 : Point aLowerDrawerPos( i_rDeckPlayground.BottomLeft() );
85 0 : for ( size_t j = nPanelCount - 1; j > nUpperBound; --j )
86 : {
87 0 : long const nDrawerHeight = m_aDrawers[j]->GetPreferredHeightPixel();
88 0 : m_aDrawers[j]->SetPosSizePixel(
89 0 : Point( aLowerDrawerPos.X(), aLowerDrawerPos.Y() - nDrawerHeight + 1 ),
90 : Size( nWidth, nDrawerHeight )
91 0 : );
92 0 : aLowerDrawerPos.Move( 0, -nDrawerHeight );
93 : }
94 :
95 : // fincally calculate the rectangle for the active panel
96 : return Rectangle(
97 : aUpperDrawerPos,
98 0 : Size( nWidth, aLowerDrawerPos.Y() - aUpperDrawerPos.Y() + 1 )
99 0 : );
100 : }
101 :
102 :
103 0 : void DrawerDeckLayouter::Destroy()
104 : {
105 0 : while ( !m_aDrawers.empty() )
106 0 : impl_removeDrawer( 0 );
107 0 : m_rPanelDeck.RemoveListener( *this );
108 0 : }
109 :
110 :
111 0 : void DrawerDeckLayouter::SetFocusToPanelSelector()
112 : {
113 0 : const size_t nPanelCount( m_rPanelDeck.GetPanelCount() );
114 0 : if ( !nPanelCount )
115 : // nothing to focus
116 0 : return;
117 0 : ::boost::optional< size_t > aActivePanel( m_rPanelDeck.GetActivePanel() );
118 0 : if ( !aActivePanel )
119 0 : aActivePanel = 0;
120 0 : ENSURE_OR_RETURN_VOID( *aActivePanel < m_aDrawers.size(), "DrawerDeckLayouter::SetFocusToPanelSelector: invalid active panel, or inconsistent drawers!" );
121 0 : m_aDrawers[ *aActivePanel ]->GrabFocus();
122 : }
123 :
124 :
125 0 : size_t DrawerDeckLayouter::GetAccessibleChildCount() const
126 : {
127 0 : return m_aDrawers.size();
128 : }
129 :
130 :
131 0 : Reference< XAccessible > DrawerDeckLayouter::GetAccessibleChild( const size_t i_nChildIndex, const Reference< XAccessible >& i_rParentAccessible )
132 : {
133 0 : ENSURE_OR_RETURN( i_nChildIndex < m_aDrawers.size(), "illegal index", NULL );
134 :
135 0 : const PToolPanelDrawer pDrawer( m_aDrawers[ i_nChildIndex ] );
136 :
137 0 : Reference< XAccessible > xItemAccessible = pDrawer->GetAccessible( false );
138 0 : if ( !xItemAccessible.is() )
139 : {
140 0 : xItemAccessible = pDrawer->GetAccessible( true );
141 0 : ENSURE_OR_RETURN( xItemAccessible.is(), "illegal accessible provided by the drawer implementation!", NULL );
142 0 : OSL_VERIFY( ::comphelper::OAccessibleImplementationAccess::setAccessibleParent( xItemAccessible->getAccessibleContext(),
143 : i_rParentAccessible ) );
144 : }
145 :
146 0 : return xItemAccessible;
147 : }
148 :
149 :
150 0 : void DrawerDeckLayouter::PanelInserted( const PToolPanel& i_pPanel, const size_t i_nPosition )
151 : {
152 : OSL_PRECOND( i_nPosition <= m_aDrawers.size(), "DrawerDeckLayouter::PanelInserted: inconsistency!" );
153 :
154 0 : PToolPanelDrawer pDrawer( new ToolPanelDrawer( m_rParentWindow, i_pPanel->GetDisplayName() ) );
155 0 : pDrawer->SetHelpId( i_pPanel->GetHelpID() );
156 : // proper Z-Order
157 0 : if ( i_nPosition == 0 )
158 : {
159 0 : pDrawer->SetZOrder( NULL, WINDOW_ZORDER_FIRST );
160 : }
161 : else
162 : {
163 0 : const PToolPanelDrawer pFirstDrawer( m_aDrawers[ i_nPosition - 1 ] );
164 0 : pDrawer->SetZOrder( pFirstDrawer.get(), WINDOW_ZORDER_BEHIND );
165 : }
166 :
167 0 : pDrawer->Show();
168 0 : pDrawer->AddEventListener( LINK( this, DrawerDeckLayouter, OnWindowEvent ) );
169 0 : m_aDrawers.insert( m_aDrawers.begin() + i_nPosition, pDrawer );
170 0 : impl_triggerRearrange();
171 0 : }
172 :
173 :
174 0 : void DrawerDeckLayouter::PanelRemoved( const size_t i_nPosition )
175 : {
176 0 : impl_removeDrawer( i_nPosition );
177 0 : impl_triggerRearrange();
178 0 : }
179 :
180 :
181 0 : void DrawerDeckLayouter::impl_triggerRearrange() const
182 : {
183 : // this is somewhat hacky, it assumes that the parent of our panels is a tool panel deck, which, in its
184 : // Resize implementation, rearrances all elements.
185 0 : m_rParentWindow.Resize();
186 0 : }
187 :
188 :
189 0 : void DrawerDeckLayouter::ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive )
190 : {
191 0 : if ( !!i_rOldActive )
192 : {
193 : OSL_ENSURE( *i_rOldActive < m_aDrawers.size(), "DrawerDeckLayouter::ActivePanelChanged: illegal old index!" );
194 0 : m_aDrawers[ *i_rOldActive ]->SetExpanded( false );
195 : }
196 :
197 0 : if ( !!i_rNewActive )
198 : {
199 : OSL_ENSURE( *i_rNewActive < m_aDrawers.size(), "DrawerDeckLayouter::ActivePanelChanged: illegal new index!" );
200 0 : m_aDrawers[ *i_rNewActive ]->SetExpanded( true );
201 : }
202 :
203 0 : impl_triggerRearrange();
204 0 : }
205 :
206 :
207 0 : void DrawerDeckLayouter::LayouterChanged( const PDeckLayouter& i_rNewLayouter )
208 : {
209 : // not interested in
210 : (void)i_rNewLayouter;
211 0 : }
212 :
213 :
214 0 : size_t DrawerDeckLayouter::impl_getPanelPositionFromWindow( const vcl::Window* i_pDrawerWindow ) const
215 : {
216 0 : for ( ::std::vector< PToolPanelDrawer >::const_iterator drawerPos = m_aDrawers.begin();
217 0 : drawerPos != m_aDrawers.end();
218 : ++drawerPos
219 : )
220 : {
221 0 : if ( drawerPos->get() == i_pDrawerWindow )
222 0 : return drawerPos - m_aDrawers.begin();
223 : }
224 0 : return m_aDrawers.size();
225 : }
226 :
227 :
228 0 : void DrawerDeckLayouter::impl_removeDrawer( const size_t i_nPosition )
229 : {
230 : OSL_PRECOND( i_nPosition < m_aDrawers.size(), "DrawerDeckLayouter::impl_removeDrawer: invalid panel position!" );
231 0 : m_aDrawers[ i_nPosition ]->RemoveEventListener( LINK( this, DrawerDeckLayouter, OnWindowEvent ) );
232 : OSL_ENSURE( m_aDrawers[ i_nPosition ].unique(), "DrawerDeckLayouter::impl_removeDrawer: somebody else is still holding a reference!" );
233 0 : m_aDrawers.erase( m_aDrawers.begin() + i_nPosition );
234 0 : }
235 :
236 :
237 0 : IMPL_LINK( DrawerDeckLayouter, OnWindowEvent, VclSimpleEvent*, i_pEvent )
238 : {
239 0 : const VclWindowEvent* pWindowEvent = PTR_CAST( VclWindowEvent, i_pEvent );
240 0 : ENSURE_OR_RETURN( pWindowEvent, "no WindowEvent", 0L );
241 :
242 0 : bool bActivatePanel = false;
243 0 : switch ( pWindowEvent->GetId() )
244 : {
245 : case VCLEVENT_WINDOW_MOUSEBUTTONUP:
246 : {
247 0 : const MouseEvent* pMouseEvent = static_cast< const MouseEvent* >( pWindowEvent->GetData() );
248 0 : ENSURE_OR_RETURN( pMouseEvent, "no mouse event with MouseButtonUp", 0L );
249 0 : if ( pMouseEvent->GetButtons() == MOUSE_LEFT )
250 : {
251 0 : bActivatePanel = true;
252 : }
253 : }
254 0 : break;
255 : case VCLEVENT_WINDOW_KEYINPUT:
256 : {
257 0 : const KeyEvent* pKeyEvent = static_cast< const KeyEvent* >( pWindowEvent->GetData() );
258 0 : ENSURE_OR_RETURN( pKeyEvent, "no key event with KeyInput", 0L );
259 0 : const vcl::KeyCode& rKeyCode( pKeyEvent->GetKeyCode() );
260 0 : if ( ( rKeyCode.GetModifier() == 0 ) && ( rKeyCode.GetCode() == KEY_RETURN ) )
261 : {
262 0 : bActivatePanel = true;
263 : }
264 : }
265 0 : break;
266 : }
267 0 : if ( bActivatePanel )
268 : {
269 0 : const size_t nPanelPos = impl_getPanelPositionFromWindow( pWindowEvent->GetWindow() );
270 0 : if ( nPanelPos != m_rPanelDeck.GetActivePanel() )
271 : {
272 0 : m_rPanelDeck.ActivatePanel( nPanelPos );
273 : }
274 : else
275 : {
276 0 : PToolPanel pPanel( m_rPanelDeck.GetPanel( nPanelPos ) );
277 0 : pPanel->GrabFocus();
278 : }
279 0 : return 1L;
280 : }
281 0 : return 0L;
282 : }
283 :
284 :
285 0 : void DrawerDeckLayouter::Dying()
286 : {
287 0 : Destroy();
288 0 : }
289 :
290 :
291 1227 : } // namespace svt
292 :
293 :
294 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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