1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
25*b1cdbd2cSJim Jagielski #include "precompiled_sd.hxx"
26*b1cdbd2cSJim Jagielski
27*b1cdbd2cSJim Jagielski #ifndef _SVX_ACCESSIBILITY_ACCESSIBLE_VIEW_FORWARDER_HXX
28*b1cdbd2cSJim Jagielski #include "AccessibleViewForwarder.hxx"
29*b1cdbd2cSJim Jagielski #endif
30*b1cdbd2cSJim Jagielski #include <svx/svdpntv.hxx>
31*b1cdbd2cSJim Jagielski #include <vcl/outdev.hxx>
32*b1cdbd2cSJim Jagielski #include <svx/sdrpaintwindow.hxx>
33*b1cdbd2cSJim Jagielski
34*b1cdbd2cSJim Jagielski namespace accessibility {
35*b1cdbd2cSJim Jagielski
36*b1cdbd2cSJim Jagielski /** For the time beeing, the implementation of this class will not use the
37*b1cdbd2cSJim Jagielski member mrDevice. Instead the device is retrieved from the view
38*b1cdbd2cSJim Jagielski everytime it is used. This is necessary because the device has to stay
39*b1cdbd2cSJim Jagielski up-to-date with the current view and the class has to stay compatible.
40*b1cdbd2cSJim Jagielski May change in the future.
41*b1cdbd2cSJim Jagielski */
42*b1cdbd2cSJim Jagielski
AccessibleViewForwarder(SdrPaintView * pView,OutputDevice & rDevice)43*b1cdbd2cSJim Jagielski AccessibleViewForwarder::AccessibleViewForwarder (SdrPaintView* pView, OutputDevice& rDevice)
44*b1cdbd2cSJim Jagielski : mpView (pView),
45*b1cdbd2cSJim Jagielski mnWindowId (0),
46*b1cdbd2cSJim Jagielski mrDevice (rDevice)
47*b1cdbd2cSJim Jagielski {
48*b1cdbd2cSJim Jagielski // Search the output device to determine its id.
49*b1cdbd2cSJim Jagielski for(sal_uInt32 a(0L); a < mpView->PaintWindowCount(); a++)
50*b1cdbd2cSJim Jagielski {
51*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(a);
52*b1cdbd2cSJim Jagielski OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
53*b1cdbd2cSJim Jagielski
54*b1cdbd2cSJim Jagielski if(&rOutDev == &rDevice)
55*b1cdbd2cSJim Jagielski {
56*b1cdbd2cSJim Jagielski mnWindowId = (sal_uInt16)a;
57*b1cdbd2cSJim Jagielski break;
58*b1cdbd2cSJim Jagielski }
59*b1cdbd2cSJim Jagielski }
60*b1cdbd2cSJim Jagielski }
61*b1cdbd2cSJim Jagielski
62*b1cdbd2cSJim Jagielski
63*b1cdbd2cSJim Jagielski
64*b1cdbd2cSJim Jagielski
~AccessibleViewForwarder(void)65*b1cdbd2cSJim Jagielski AccessibleViewForwarder::~AccessibleViewForwarder (void)
66*b1cdbd2cSJim Jagielski {
67*b1cdbd2cSJim Jagielski // empty
68*b1cdbd2cSJim Jagielski }
69*b1cdbd2cSJim Jagielski
70*b1cdbd2cSJim Jagielski
71*b1cdbd2cSJim Jagielski
72*b1cdbd2cSJim Jagielski
IsValid(void) const73*b1cdbd2cSJim Jagielski sal_Bool AccessibleViewForwarder::IsValid (void) const
74*b1cdbd2cSJim Jagielski {
75*b1cdbd2cSJim Jagielski return sal_True;
76*b1cdbd2cSJim Jagielski }
77*b1cdbd2cSJim Jagielski
78*b1cdbd2cSJim Jagielski
79*b1cdbd2cSJim Jagielski
80*b1cdbd2cSJim Jagielski
GetVisibleArea(void) const81*b1cdbd2cSJim Jagielski Rectangle AccessibleViewForwarder::GetVisibleArea (void) const
82*b1cdbd2cSJim Jagielski {
83*b1cdbd2cSJim Jagielski Rectangle aVisibleArea;
84*b1cdbd2cSJim Jagielski
85*b1cdbd2cSJim Jagielski if((sal_uInt32)mnWindowId < mpView->PaintWindowCount())
86*b1cdbd2cSJim Jagielski {
87*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow((sal_uInt32)mnWindowId);
88*b1cdbd2cSJim Jagielski aVisibleArea = pPaintWindow->GetVisibleArea();
89*b1cdbd2cSJim Jagielski }
90*b1cdbd2cSJim Jagielski
91*b1cdbd2cSJim Jagielski return aVisibleArea;
92*b1cdbd2cSJim Jagielski }
93*b1cdbd2cSJim Jagielski
94*b1cdbd2cSJim Jagielski
95*b1cdbd2cSJim Jagielski
96*b1cdbd2cSJim Jagielski
97*b1cdbd2cSJim Jagielski /** Tansform the given point into pixel coordiantes. After the the pixel
98*b1cdbd2cSJim Jagielski coordiantes of the window origin are added to make the point coordinates
99*b1cdbd2cSJim Jagielski absolute.
100*b1cdbd2cSJim Jagielski */
LogicToPixel(const Point & rPoint) const101*b1cdbd2cSJim Jagielski Point AccessibleViewForwarder::LogicToPixel (const Point& rPoint) const
102*b1cdbd2cSJim Jagielski {
103*b1cdbd2cSJim Jagielski OSL_ASSERT (mpView != NULL);
104*b1cdbd2cSJim Jagielski if((sal_uInt32)mnWindowId < mpView->PaintWindowCount())
105*b1cdbd2cSJim Jagielski {
106*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow((sal_uInt32)mnWindowId);
107*b1cdbd2cSJim Jagielski OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
108*b1cdbd2cSJim Jagielski Rectangle aBBox(static_cast<Window&>(rOutDev).GetWindowExtentsRelative(0L));
109*b1cdbd2cSJim Jagielski return rOutDev.LogicToPixel (rPoint) + aBBox.TopLeft();
110*b1cdbd2cSJim Jagielski }
111*b1cdbd2cSJim Jagielski else
112*b1cdbd2cSJim Jagielski return Point();
113*b1cdbd2cSJim Jagielski }
114*b1cdbd2cSJim Jagielski
115*b1cdbd2cSJim Jagielski
116*b1cdbd2cSJim Jagielski
117*b1cdbd2cSJim Jagielski
LogicToPixel(const Size & rSize) const118*b1cdbd2cSJim Jagielski Size AccessibleViewForwarder::LogicToPixel (const Size& rSize) const
119*b1cdbd2cSJim Jagielski {
120*b1cdbd2cSJim Jagielski OSL_ASSERT (mpView != NULL);
121*b1cdbd2cSJim Jagielski if((sal_uInt32)mnWindowId < mpView->PaintWindowCount())
122*b1cdbd2cSJim Jagielski {
123*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow((sal_uInt32)mnWindowId);
124*b1cdbd2cSJim Jagielski OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
125*b1cdbd2cSJim Jagielski return rOutDev.LogicToPixel (rSize);
126*b1cdbd2cSJim Jagielski }
127*b1cdbd2cSJim Jagielski else
128*b1cdbd2cSJim Jagielski return Size();
129*b1cdbd2cSJim Jagielski }
130*b1cdbd2cSJim Jagielski
131*b1cdbd2cSJim Jagielski
132*b1cdbd2cSJim Jagielski
133*b1cdbd2cSJim Jagielski
134*b1cdbd2cSJim Jagielski /** First subtract the window origin to make the point coordinates relative
135*b1cdbd2cSJim Jagielski to the window and then transform them into internal coordinates.
136*b1cdbd2cSJim Jagielski */
PixelToLogic(const Point & rPoint) const137*b1cdbd2cSJim Jagielski Point AccessibleViewForwarder::PixelToLogic (const Point& rPoint) const
138*b1cdbd2cSJim Jagielski {
139*b1cdbd2cSJim Jagielski OSL_ASSERT (mpView != NULL);
140*b1cdbd2cSJim Jagielski if((sal_uInt32)mnWindowId < mpView->PaintWindowCount())
141*b1cdbd2cSJim Jagielski {
142*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow((sal_uInt32)mnWindowId);
143*b1cdbd2cSJim Jagielski OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
144*b1cdbd2cSJim Jagielski Rectangle aBBox (static_cast<Window&>(rOutDev).GetWindowExtentsRelative(0L));
145*b1cdbd2cSJim Jagielski return rOutDev.PixelToLogic (rPoint - aBBox.TopLeft());
146*b1cdbd2cSJim Jagielski }
147*b1cdbd2cSJim Jagielski else
148*b1cdbd2cSJim Jagielski return Point();
149*b1cdbd2cSJim Jagielski }
150*b1cdbd2cSJim Jagielski
151*b1cdbd2cSJim Jagielski
152*b1cdbd2cSJim Jagielski
153*b1cdbd2cSJim Jagielski
PixelToLogic(const Size & rSize) const154*b1cdbd2cSJim Jagielski Size AccessibleViewForwarder::PixelToLogic (const Size& rSize) const
155*b1cdbd2cSJim Jagielski {
156*b1cdbd2cSJim Jagielski OSL_ASSERT (mpView != NULL);
157*b1cdbd2cSJim Jagielski if((sal_uInt32)mnWindowId < mpView->PaintWindowCount())
158*b1cdbd2cSJim Jagielski {
159*b1cdbd2cSJim Jagielski SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow((sal_uInt32)mnWindowId);
160*b1cdbd2cSJim Jagielski OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
161*b1cdbd2cSJim Jagielski return rOutDev.PixelToLogic (rSize);
162*b1cdbd2cSJim Jagielski }
163*b1cdbd2cSJim Jagielski else
164*b1cdbd2cSJim Jagielski return Size();
165*b1cdbd2cSJim Jagielski }
166*b1cdbd2cSJim Jagielski
167*b1cdbd2cSJim Jagielski
168*b1cdbd2cSJim Jagielski } // end of namespace accessibility
169