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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 : #include "fuzoom.hxx"
21 :
22 : #include <svx/svxids.hrc>
23 : #include <sfx2/bindings.hxx>
24 : #include <sfx2/viewfrm.hxx>
25 : #include "app.hrc"
26 : #include <svx/svdpagv.hxx>
27 :
28 : #include "FrameView.hxx"
29 : #include "ViewShell.hxx"
30 : #include "View.hxx"
31 : #include "Window.hxx"
32 : #include "drawdoc.hxx"
33 : #include "zoomlist.hxx"
34 :
35 : namespace sd {
36 :
37 : sal_uInt16 SidArrayZoom[] = {
38 : SID_ATTR_ZOOM,
39 : SID_ZOOM_OUT,
40 : SID_ZOOM_IN,
41 : 0 };
42 :
43 0 : TYPEINIT1( FuZoom, FuPoor );
44 :
45 0 : FuZoom::FuZoom(
46 : ViewShell* pViewSh,
47 : ::sd::Window* pWin,
48 : ::sd::View* pView,
49 : SdDrawDocument* pDoc,
50 : SfxRequest& rReq)
51 : : FuPoor(pViewSh, pWin, pView, pDoc, rReq),
52 : bVisible(sal_False),
53 0 : bStartDrag(sal_False)
54 : {
55 0 : }
56 :
57 0 : FuZoom::~FuZoom()
58 : {
59 0 : if (bVisible)
60 : {
61 : // Hide ZoomRect
62 0 : mpViewShell->DrawMarkRect(aZoomRect);
63 :
64 0 : bVisible = sal_False;
65 0 : bStartDrag = sal_False;
66 : }
67 0 : }
68 :
69 0 : rtl::Reference<FuPoor> FuZoom::Create( ViewShell* pViewSh, ::sd::Window* pWin, ::sd::View* pView, SdDrawDocument* pDoc, SfxRequest& rReq )
70 : {
71 0 : rtl::Reference<FuPoor> xFunc( new FuZoom( pViewSh, pWin, pView, pDoc, rReq ) );
72 0 : return xFunc;
73 : }
74 :
75 0 : sal_Bool FuZoom::MouseButtonDown(const MouseEvent& rMEvt)
76 : {
77 : // remember button state for creation of own MouseEvents
78 0 : SetMouseButtonCode(rMEvt.GetButtons());
79 :
80 0 : mpWindow->CaptureMouse();
81 0 : bStartDrag = sal_True;
82 :
83 0 : aBeginPosPix = rMEvt.GetPosPixel();
84 0 : aBeginPos = mpWindow->PixelToLogic(aBeginPosPix);
85 :
86 0 : return sal_True;
87 : }
88 :
89 0 : sal_Bool FuZoom::MouseMove(const MouseEvent& rMEvt)
90 : {
91 0 : if (bStartDrag)
92 : {
93 0 : if (bVisible)
94 : {
95 0 : mpViewShell->DrawMarkRect(aZoomRect);
96 : }
97 :
98 0 : Point aPosPix = rMEvt.GetPosPixel();
99 0 : ForceScroll(aPosPix);
100 :
101 0 : aEndPos = mpWindow->PixelToLogic(aPosPix);
102 0 : aBeginPos = mpWindow->PixelToLogic(aBeginPosPix);
103 :
104 0 : if (nSlotId == SID_ZOOM_PANNING)
105 : {
106 : // Panning
107 :
108 0 : Point aScroll = aBeginPos - aEndPos;
109 :
110 0 : if (aScroll.X() != 0 || aScroll.Y() != 0)
111 : {
112 0 : Size aWorkSize = mpView->GetWorkArea().GetSize();
113 0 : Size aPageSize = mpView->GetSdrPageView()->GetPage()->GetSize();
114 0 : aScroll.X() /= aWorkSize.Width() / aPageSize.Width();
115 0 : aScroll.Y() /= aWorkSize.Height() / aPageSize.Height();
116 0 : mpViewShell->Scroll(aScroll.X(), aScroll.Y());
117 0 : aBeginPosPix = aPosPix;
118 : }
119 : }
120 : else
121 : {
122 0 : Rectangle aRect(aBeginPos, aEndPos);
123 0 : aZoomRect = aRect;
124 0 : aZoomRect.Justify();
125 0 : mpViewShell->DrawMarkRect(aZoomRect);
126 : }
127 :
128 0 : bVisible = sal_True;
129 : }
130 :
131 0 : return bStartDrag;
132 : }
133 :
134 0 : sal_Bool FuZoom::MouseButtonUp(const MouseEvent& rMEvt)
135 : {
136 : // remember button state for creation of own MouseEvents
137 0 : SetMouseButtonCode(rMEvt.GetButtons());
138 :
139 0 : if (bVisible)
140 : {
141 : // Hide ZoomRect
142 0 : mpViewShell->DrawMarkRect(aZoomRect);
143 0 : bVisible = sal_False;
144 : }
145 :
146 0 : Point aPosPix = rMEvt.GetPosPixel();
147 :
148 0 : if(SID_ZOOM_PANNING != nSlotId)
149 : {
150 : // Zoom
151 0 : Size aZoomSizePixel = mpWindow->LogicToPixel(aZoomRect).GetSize();
152 0 : sal_uLong nTol = DRGPIX + DRGPIX;
153 :
154 0 : if ( aZoomSizePixel.Width() < (long) nTol && aZoomSizePixel.Height() < (long) nTol )
155 : {
156 : // click at place: double zoom factor
157 0 : Point aPos = mpWindow->PixelToLogic(aPosPix);
158 0 : Size aSize = mpWindow->PixelToLogic(mpWindow->GetOutputSizePixel());
159 0 : aSize.Width() /= 2;
160 0 : aSize.Height() /= 2;
161 0 : aPos.X() -= aSize.Width() / 2;
162 0 : aPos.Y() -= aSize.Height() / 2;
163 0 : aZoomRect.SetPos(aPos);
164 0 : aZoomRect.SetSize(aSize);
165 : }
166 :
167 0 : mpViewShell->SetZoomRect(aZoomRect);
168 : }
169 :
170 : Rectangle aVisAreaWin = mpWindow->PixelToLogic(Rectangle(Point(0,0),
171 0 : mpWindow->GetOutputSizePixel()));
172 0 : mpViewShell->GetZoomList()->InsertZoomRect(aVisAreaWin);
173 :
174 0 : bStartDrag = sal_False;
175 0 : mpWindow->ReleaseMouse();
176 0 : mpViewShell->Cancel();
177 :
178 0 : return sal_True;
179 : }
180 :
181 0 : void FuZoom::Activate()
182 : {
183 0 : aPtr = mpWindow->GetPointer();
184 :
185 0 : if (nSlotId == SID_ZOOM_PANNING)
186 : {
187 0 : mpWindow->SetPointer(Pointer(POINTER_HAND));
188 : }
189 : else
190 : {
191 0 : mpWindow->SetPointer(Pointer(POINTER_MAGNIFY));
192 : }
193 0 : }
194 :
195 0 : void FuZoom::Deactivate()
196 : {
197 0 : mpWindow->SetPointer( aPtr );
198 0 : mpViewShell->GetViewFrame()->GetBindings().Invalidate( SidArrayZoom );
199 0 : }
200 : } // end of namespace sd
201 :
202 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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