Line data Source code
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 : #ifndef TABBARGEOMETRY_HXX
21 : #define TABBARGEOMETRY_HXX
22 :
23 : #include "svtools/toolpanel/tabalignment.hxx"
24 :
25 : #include "tabitemdescriptor.hxx"
26 :
27 : #include <tools/gen.hxx>
28 : #include <tools/svborder.hxx>
29 :
30 : //......................................................................................................................
31 : namespace svt
32 : {
33 : //......................................................................................................................
34 :
35 : //==================================================================================================================
36 : //= NormalizedArea
37 : //==================================================================================================================
38 : /** a rectangle which automatically translates between unrotated and rotated geometry.
39 :
40 : It can be operated as if it were an unrotated area, but is able to provide corrdinates of rotated objects,
41 : relative to its playground.
42 : */
43 : class NormalizedArea
44 : {
45 : public:
46 : NormalizedArea();
47 : NormalizedArea( const Rectangle& i_rReference, const bool i_bIsVertical );
48 :
49 : /** transforms a rectangle, relative to our playground, into a coordinate system defined by the given alignment
50 : @param i_rArea
51 : the area which is to be transformed.
52 : */
53 : Rectangle getTransformed(
54 : const Rectangle& i_rArea,
55 : const TabAlignment i_eTargetAlignment
56 : ) const;
57 :
58 : /** normalizes an already transformed rectangle
59 : @param i_rArea
60 : the area which is to be normalized.
61 : */
62 : Rectangle getNormalized(
63 : const Rectangle& i_rArea,
64 : const TabAlignment i_eTargetAlignment
65 : ) const;
66 :
67 :
68 0 : Size getReferenceSize() const { return m_aReference.GetSize(); }
69 : const Rectangle&
70 : getReference() const { return m_aReference; }
71 :
72 : private:
73 : // the normalized reference area
74 : Rectangle m_aReference;
75 : };
76 :
77 : //==================================================================================================================
78 : //= TabBarGeometry
79 : //==================================================================================================================
80 : class TabBarGeometry
81 : {
82 : public:
83 : TabBarGeometry( const TabItemContent i_eItemContent );
84 : ~TabBarGeometry();
85 :
86 : // retrieves the rectangle to be occupied by the button for scrolling backward through the items
87 0 : const Rectangle& getButtonBackRect() const { return m_aButtonBackRect; }
88 : // retrieves the rectangle to be occupied by the items
89 0 : const Rectangle& getItemsRect() const { return m_aItemsRect; }
90 : // retrieves the rectangle to be occupied by the button for scrolling forward through the items
91 0 : const Rectangle& getButtonForwardRect() const { return m_aButtonForwardRect; }
92 :
93 : inline TabItemContent
94 0 : getItemContent() const { return m_eTabItemContent; }
95 0 : inline void setItemContent( const TabItemContent i_eItemContent ) { m_eTabItemContent = i_eItemContent; }
96 :
97 : /** adjusts the sizes of the buttons and the item's playground, plus the sizes of the items
98 : */
99 : void relayout( const Size& i_rActualOutputSize, ItemDescriptors& io_rItems );
100 :
101 : /** calculates the optimal size of the tab bar, depending on the item's sizes
102 : */
103 : Size getOptimalSize( ItemDescriptors& io_rItems, const bool i_bMinimalSize ) const;
104 :
105 : /** retrieves the position where the first item should start, relative to the item rect
106 : */
107 : Point getFirstItemPosition() const;
108 :
109 : private:
110 : bool impl_fitItems( ItemDescriptors& io_rItems ) const;
111 :
112 : private:
113 : /// specifies the content to be displayed in the tab items
114 : TabItemContent m_eTabItemContent;
115 : /// specifies the inset to be used in the items area, depends on the actual alignment
116 : SvBorder m_aItemsInset;
117 : // the (logical) rectangle to be used for the "back" button, empty if the button is not needed
118 : Rectangle m_aButtonBackRect;
119 : // the (logical) rectangle to be used for the items
120 : Rectangle m_aItemsRect;
121 : // the (logical) rectangle to be used for the "forward" button, empty if the button is not needed
122 : Rectangle m_aButtonForwardRect;
123 : };
124 :
125 : //......................................................................................................................
126 : } // namespace svt
127 : //......................................................................................................................
128 :
129 : #endif // TABBARGEOMETRY_HXX
130 :
131 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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