1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX
#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERSCROLLBAR_HXX
#include "PresenterBitmapContainer.hxx"
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/drawing/XPresenterHelper.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase.hxx>
#include <functional>
#include <memory>
namespace sdext { namespace presenter {
class PresenterCanvasHelper;
class PresenterPaintManager;
typedef ::cppu::WeakComponentImplHelper <
css::awt::XWindowListener,
css::awt::XPaintListener,
css::awt::XMouseListener,
css::awt::XMouseMotionListener
> PresenterScrollBarInterfaceBase;
/** Base class of horizontal and vertical scroll bars.
*/
class PresenterScrollBar
: private ::cppu::BaseMutex,
public PresenterScrollBarInterfaceBase
{
public:
virtual ~PresenterScrollBar() override;
PresenterScrollBar(const PresenterScrollBar&) = delete;
PresenterScrollBar& operator=(const PresenterScrollBar&) = delete;
virtual void SAL_CALL disposing() override;
css::uno::Reference<css::uno::XComponentContext> const&
GetComponentContext() const { return mxComponentContext; }
void SetVisible (const bool bIsVisible);
/** Set the bounding box of the scroll bar.
*/
void SetPosSize (const css::geometry::RealRectangle2D& rBox);
/** Set the position of the movable thumb.
@param nPosition
A value between 0 and the last value given to SetTotalSize()
minus the last value given to SetThumbSize().
*/
void SetThumbPosition (
double nPosition,
const bool bAsynchronousRepaint);
double GetThumbPosition() const { return mnThumbPosition;}
/** Set the upper border of the slider range.
*/
void SetTotalSize (const double nTotalSize);
/** Set the size of the movable thumb.
@param nThumbSize
A value not larger than the last value given to SetTotalSize().
*/
void SetThumbSize (const double nThumbSize);
double GetThumbSize() const { return mnThumbSize;}
void SetLineHeight (const double nLineHeight);
double GetLineHeight() const { return mnLineHeight;}
/** Set the canvas that is used for painting the scroll bar.
*/
void SetCanvas (const css::uno::Reference<css::rendering::XCanvas>& rxCanvas);
void SetBackground (const SharedBitmapDescriptor& rpBackgroundBitmap);
/** Call this after changing total size or thumb position or size to
move the thumb to a valid position.
*/
void CheckValues();
/** On some occasions it is necessary to trigger the painting of a
scrollbar from the outside.
*/
void Paint (
const css::awt::Rectangle& rUpdateBox);
virtual sal_Int32 GetSize() const = 0;
// XWindowListener
virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
// XPaintListener
virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
// XMouseListener
virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent) override;
virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent) override;
virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent) override;
virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent) override;
// XMouseMotionListener
virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent) override;
virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent) override;
// lang::XEventListener
virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent) override;
enum Area { Total, Pager, Thumb, PagerUp, PagerDown, PrevButton, NextButton, None,
AreaCount = None };
protected:
css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
css::uno::Reference<css::awt::XWindow> mxWindow;
css::uno::Reference<css::rendering::XCanvas> mxCanvas;
css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
std::shared_ptr<PresenterPaintManager> mpPaintManager;
double mnThumbPosition;
double mnTotalSize;
double mnThumbSize;
double mnLineHeight;
css::geometry::RealPoint2D maDragAnchor;
::std::function<void (double)> const maThumbMotionListener;
Area meButtonDownArea;
Area meMouseMoveArea;
css::geometry::RealRectangle2D maBox[AreaCount];
bool mbIsNotificationActive;
static std::weak_ptr<PresenterBitmapContainer> mpSharedBitmaps;
std::shared_ptr<PresenterBitmapContainer> mpBitmaps;
SharedBitmapDescriptor mpPrevButtonDescriptor;
SharedBitmapDescriptor mpNextButtonDescriptor;
SharedBitmapDescriptor mpPagerStartDescriptor;
SharedBitmapDescriptor mpPagerCenterDescriptor;
SharedBitmapDescriptor mpPagerEndDescriptor;
SharedBitmapDescriptor mpThumbStartDescriptor;
SharedBitmapDescriptor mpThumbCenterDescriptor;
SharedBitmapDescriptor mpThumbEndDescriptor;
bool maEnabledState[AreaCount];
css::geometry::RealRectangle2D const & GetRectangle (const Area eArea) const;
virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const = 0;
virtual void UpdateDragAnchor (const double nDragDistance) = 0;
virtual double GetMinor (const double nX, const double nY) const = 0;
virtual void UpdateBorders() = 0;
virtual void UpdateBitmaps() = 0;
virtual void PaintComposite(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpStartBitmaps,
const SharedBitmapDescriptor& rpCenterBitmaps,
const SharedBitmapDescriptor& rpEndBitmaps) = 0;
PresenterScrollBar (
const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
const std::shared_ptr<PresenterPaintManager>& rpPaintManager,
const ::std::function<void (double)>& rThumbMotionListener);
void Repaint (
const css::geometry::RealRectangle2D& rBox,
const bool bAsynchronous);
void PaintBackground (
const css::awt::Rectangle& rRepaintBox);
void PaintBitmap(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpBitmaps);
void UpdateWidthOrHeight (sal_Int32& rSize,
const SharedBitmapDescriptor& rpDescriptor);
css::uno::Reference<css::rendering::XBitmap> GetBitmap (
const Area eArea,
const SharedBitmapDescriptor& rpBitmaps) const;
PresenterBitmapContainer::BitmapDescriptor::Mode GetBitmapMode (
const Area eArea) const;
bool IsDisabled (const Area eArea) const;
double ValidateThumbPosition (double nPosition);
private:
class MousePressRepeater;
std::shared_ptr<MousePressRepeater> mpMousePressRepeater;
SharedBitmapDescriptor mpBackgroundBitmap;
std::unique_ptr<PresenterCanvasHelper> mpCanvasHelper;
Area GetArea (const double nX, const double nY) const;
};
/** A vertical scroll bar.
*/
class PresenterVerticalScrollBar : public PresenterScrollBar
{
public:
PresenterVerticalScrollBar (
const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
const std::shared_ptr<PresenterPaintManager>& rpPaintManager,
const ::std::function<void (double)>& rThumbMotionListener);
virtual ~PresenterVerticalScrollBar() override;
virtual sal_Int32 GetSize() const override;
protected:
virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const override;
virtual void UpdateDragAnchor (const double nDragDistance) override;
virtual double GetMinor (const double nX, const double nY) const override;
virtual void UpdateBorders() override;
virtual void UpdateBitmaps() override;
virtual void PaintComposite(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpStartBitmaps,
const SharedBitmapDescriptor& rpCenterBitmaps,
const SharedBitmapDescriptor& rpEndBitmaps) override;
private:
sal_Int32 mnScrollBarWidth;
};
} } // end of namespace ::sdext::presenter
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
