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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(false),
53 0 : bStartDrag(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 = false;
65 0 : bStartDrag = 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 : 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 = true;
82 :
83 0 : aBeginPosPix = rMEvt.GetPosPixel();
84 0 : aBeginPos = mpWindow->PixelToLogic(aBeginPosPix);
85 0 : aZoomRect.SetSize( Size( 0, 0 ) );
86 0 : aZoomRect.SetPos( aBeginPos );
87 :
88 0 : return true;
89 : }
90 :
91 0 : bool FuZoom::MouseMove(const MouseEvent& rMEvt)
92 : {
93 0 : if (rMEvt.IsShift())
94 0 : mpWindow->SetPointer(Pointer(PointerStyle::Hand));
95 0 : else if (nSlotId != SID_ZOOM_PANNING)
96 0 : mpWindow->SetPointer(Pointer(PointerStyle::Magnify));
97 :
98 0 : if (bStartDrag)
99 : {
100 0 : if (bVisible)
101 : {
102 0 : mpViewShell->DrawMarkRect(aZoomRect);
103 : }
104 :
105 0 : Point aPosPix = rMEvt.GetPosPixel();
106 0 : ForceScroll(aPosPix);
107 :
108 0 : aEndPos = mpWindow->PixelToLogic(aPosPix);
109 0 : aBeginPos = mpWindow->PixelToLogic(aBeginPosPix);
110 :
111 0 : if (nSlotId == SID_ZOOM_PANNING || (rMEvt.IsShift() && !bVisible) )
112 : {
113 : // Panning
114 :
115 0 : Point aScroll = aBeginPos - aEndPos;
116 :
117 0 : if (aScroll.X() != 0 || aScroll.Y() != 0)
118 : {
119 0 : Size aWorkSize = mpView->GetWorkArea().GetSize();
120 0 : Size aPageSize = mpView->GetSdrPageView()->GetPage()->GetSize();
121 0 : aScroll.X() /= aWorkSize.Width() / aPageSize.Width();
122 0 : aScroll.Y() /= aWorkSize.Height() / aPageSize.Height();
123 0 : mpViewShell->Scroll(aScroll.X(), aScroll.Y());
124 0 : aBeginPosPix = aPosPix;
125 : }
126 : }
127 : else
128 : {
129 0 : Rectangle aRect(aBeginPos, aEndPos);
130 0 : aZoomRect = aRect;
131 0 : aZoomRect.Justify();
132 0 : mpViewShell->DrawMarkRect(aZoomRect);
133 0 : bVisible = true;
134 : }
135 : }
136 :
137 0 : return bStartDrag;
138 : }
139 :
140 0 : bool FuZoom::MouseButtonUp(const MouseEvent& rMEvt)
141 : {
142 : // remember button state for creation of own MouseEvents
143 0 : SetMouseButtonCode(rMEvt.GetButtons());
144 :
145 0 : if (bVisible)
146 : {
147 : // Hide ZoomRect
148 0 : mpViewShell->DrawMarkRect(aZoomRect);
149 0 : bVisible = false;
150 : }
151 :
152 0 : Point aPosPix = rMEvt.GetPosPixel();
153 :
154 0 : if(SID_ZOOM_PANNING != nSlotId && !rMEvt.IsShift())
155 : {
156 : // Zoom
157 0 : Size aZoomSizePixel = mpWindow->LogicToPixel(aZoomRect).GetSize();
158 0 : sal_uLong nTol = DRGPIX + DRGPIX;
159 :
160 0 : if ( ( aZoomSizePixel.Width() < (long) nTol && aZoomSizePixel.Height() < (long) nTol ) || rMEvt.IsMod1() )
161 : {
162 : // click at place: double zoom factor
163 0 : Point aPos = mpWindow->PixelToLogic(aPosPix);
164 0 : Size aSize = mpWindow->PixelToLogic(mpWindow->GetOutputSizePixel());
165 0 : if ( rMEvt.IsMod1() )
166 : {
167 0 : aSize.Width() *= 2;
168 0 : aSize.Height() *= 2;
169 : }
170 : else
171 : {
172 0 : aSize.Width() /= 2;
173 0 : aSize.Height() /= 2;
174 : }
175 0 : aPos.X() -= aSize.Width() / 2;
176 0 : aPos.Y() -= aSize.Height() / 2;
177 0 : aZoomRect.SetPos(aPos);
178 0 : aZoomRect.SetSize(aSize);
179 : }
180 :
181 0 : mpViewShell->SetZoomRect(aZoomRect);
182 0 : mpViewShell->GetViewFrame()->GetBindings().Invalidate( SidArrayZoom );
183 : }
184 :
185 0 : Rectangle aVisAreaWin = mpWindow->PixelToLogic(Rectangle(Point(0,0),
186 0 : mpWindow->GetOutputSizePixel()));
187 0 : mpViewShell->GetZoomList()->InsertZoomRect(aVisAreaWin);
188 :
189 0 : bStartDrag = false;
190 0 : mpWindow->ReleaseMouse();
191 :
192 0 : return true;
193 : }
194 :
195 0 : void FuZoom::Activate()
196 : {
197 0 : aPtr = mpWindow->GetPointer();
198 :
199 0 : if (nSlotId == SID_ZOOM_PANNING)
200 : {
201 0 : mpWindow->SetPointer(Pointer(PointerStyle::Hand));
202 : }
203 : else
204 : {
205 0 : mpWindow->SetPointer(Pointer(PointerStyle::Magnify));
206 : }
207 0 : }
208 :
209 0 : void FuZoom::Deactivate()
210 : {
211 0 : mpWindow->SetPointer( aPtr );
212 0 : mpViewShell->GetViewFrame()->GetBindings().Invalidate( SidArrayZoom );
213 0 : }
214 66 : } // end of namespace sd
215 :
216 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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