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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QTOOLBARAREALAYOUT_P_H |
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43 #define QTOOLBARAREALAYOUT_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. It exists purely as an |
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50 // implementation detail. This header file may change from version to |
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51 // version without notice, or even be removed. |
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52 // |
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53 // We mean it. |
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54 // |
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55 |
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56 #include <QList> |
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57 #include <QSize> |
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58 #include <QRect> |
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59 |
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60 QT_BEGIN_NAMESPACE |
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61 |
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62 static inline int pick(Qt::Orientation o, const QPoint &pos) |
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63 { return o == Qt::Horizontal ? pos.x() : pos.y(); } |
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64 |
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65 static inline int pick(Qt::Orientation o, const QSize &size) |
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66 { return o == Qt::Horizontal ? size.width() : size.height(); } |
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67 |
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68 static inline int &rpick(Qt::Orientation o, QPoint &pos) |
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69 { return o == Qt::Horizontal ? pos.rx() : pos.ry(); } |
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70 |
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71 static inline int &rpick(Qt::Orientation o, QSize &size) |
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72 { return o == Qt::Horizontal ? size.rwidth() : size.rheight(); } |
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73 |
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74 static inline QSizePolicy::Policy pick(Qt::Orientation o, const QSizePolicy &policy) |
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75 { return o == Qt::Horizontal ? policy.horizontalPolicy() : policy.verticalPolicy(); } |
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76 |
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77 static inline int perp(Qt::Orientation o, const QPoint &pos) |
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78 { return o == Qt::Vertical ? pos.x() : pos.y(); } |
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79 |
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80 static inline int perp(Qt::Orientation o, const QSize &size) |
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81 { return o == Qt::Vertical ? size.width() : size.height(); } |
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82 |
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83 static inline int &rperp(Qt::Orientation o, QPoint &pos) |
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84 { return o == Qt::Vertical ? pos.rx() : pos.ry(); } |
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85 |
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86 static inline int &rperp(Qt::Orientation o, QSize &size) |
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87 { return o == Qt::Vertical ? size.rwidth() : size.rheight(); } |
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88 |
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89 #ifndef QT_NO_TOOLBAR |
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90 |
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91 class QToolBar; |
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92 class QLayoutItem; |
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93 class QMainWindow; |
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94 class QStyleOptionToolBar; |
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95 |
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96 class QToolBarAreaLayoutItem |
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97 { |
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98 public: |
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99 QToolBarAreaLayoutItem(QLayoutItem *item = 0) |
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100 : widgetItem(item), pos(0), size(-1), preferredSize(-1), gap(false) {} |
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101 |
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102 bool skip() const; |
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103 QSize minimumSize() const; |
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104 QSize sizeHint() const; |
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105 QSize realSizeHint() const; |
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106 |
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107 void resize(Qt::Orientation o, int newSize) |
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108 { |
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109 newSize = qMax(pick(o, minimumSize()), newSize); |
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110 int sizeh = pick(o, sizeHint()); |
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111 if (newSize == sizeh) { |
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112 preferredSize = -1; |
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113 size = sizeh; |
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114 } else { |
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115 preferredSize = newSize; |
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116 } |
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117 } |
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118 |
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119 void extendSize(Qt::Orientation o, int extent) |
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120 { |
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121 int newSize = qMax(pick(o, minimumSize()), (preferredSize > 0 ? preferredSize : size) + extent); |
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122 int sizeh = pick(o, sizeHint()); |
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123 if (newSize == sizeh) { |
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124 preferredSize = -1; |
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125 size = sizeh; |
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126 } else { |
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127 preferredSize = newSize; |
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128 } |
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129 } |
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130 |
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131 QLayoutItem *widgetItem; |
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132 int pos; |
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133 int size; |
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134 int preferredSize; |
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135 bool gap; |
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136 }; |
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137 |
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138 class QToolBarAreaLayoutLine |
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139 { |
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140 public: |
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141 QToolBarAreaLayoutLine(Qt::Orientation orientation); |
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142 |
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143 QSize sizeHint() const; |
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144 QSize minimumSize() const; |
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145 |
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146 void fitLayout(); |
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147 bool skip() const; |
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148 |
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149 QRect rect; |
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150 Qt::Orientation o; |
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151 |
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152 QList<QToolBarAreaLayoutItem> toolBarItems; |
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153 }; |
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154 |
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155 class QToolBarAreaLayoutInfo |
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156 { |
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157 public: |
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158 enum { EmptyDockAreaSize = 80 }; // when a dock area is empty, how "wide" is it? |
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159 |
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160 QToolBarAreaLayoutInfo(QInternal::DockPosition pos = QInternal::TopDock); |
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161 |
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162 QList<QToolBarAreaLayoutLine> lines; |
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163 |
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164 QSize sizeHint() const; |
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165 QSize minimumSize() const; |
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166 |
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167 void fitLayout(); |
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168 |
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169 QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar); |
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170 void insertItem(QToolBar *before, QLayoutItem *item); |
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171 void removeToolBar(QToolBar *toolBar); |
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172 void insertToolBarBreak(QToolBar *before); |
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173 void removeToolBarBreak(QToolBar *before); |
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174 void moveToolBar(QToolBar *toolbar, int pos); |
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175 |
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176 QList<int> gapIndex(const QPoint &pos) const; |
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177 bool insertGap(const QList<int> &path, QLayoutItem *item); |
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178 void clear(); |
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179 QRect itemRect(const QList<int> &path) const; |
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180 QRect appendLineDropRect() const; |
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181 |
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182 QRect rect; |
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183 Qt::Orientation o; |
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184 QInternal::DockPosition dockPos; |
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185 bool dirty; |
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186 }; |
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187 |
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188 class QToolBarAreaLayout |
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189 { |
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190 public: |
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191 enum { // sentinel values used to validate state data |
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192 ToolBarStateMarker = 0xfe, |
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193 ToolBarStateMarkerEx = 0xfc |
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194 }; |
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195 |
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196 QRect rect; |
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197 const QMainWindow *mainWindow; |
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198 QToolBarAreaLayoutInfo docks[4]; |
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199 bool visible; |
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200 |
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201 QToolBarAreaLayout(const QMainWindow *win); |
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202 |
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203 QRect fitLayout(); |
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204 |
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205 QSize minimumSize(const QSize ¢erMin) const; |
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206 QRect rectHint(const QRect &r) const; |
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207 QSize sizeHint(const QSize ¢er) const; |
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208 void apply(bool animate); |
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209 |
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210 QLayoutItem *itemAt(int *x, int index) const; |
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211 QLayoutItem *takeAt(int *x, int index); |
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212 void deleteAllLayoutItems(); |
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213 |
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214 QLayoutItem *insertToolBar(QToolBar *before, QToolBar *toolBar); |
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215 void removeToolBar(QToolBar *toolBar); |
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216 QLayoutItem *addToolBar(QInternal::DockPosition pos, QToolBar *toolBar); |
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217 void insertToolBarBreak(QToolBar *before); |
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218 void removeToolBarBreak(QToolBar *before); |
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219 void addToolBarBreak(QInternal::DockPosition pos); |
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220 void moveToolBar(QToolBar *toolbar, int pos); |
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221 |
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222 void insertItem(QInternal::DockPosition pos, QLayoutItem *item); |
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223 void insertItem(QToolBar *before, QLayoutItem *item); |
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224 |
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225 QInternal::DockPosition findToolBar(QToolBar *toolBar) const; |
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226 bool toolBarBreak(QToolBar *toolBar) const; |
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227 |
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228 void getStyleOptionInfo(QStyleOptionToolBar *option, QToolBar *toolBar) const; |
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229 |
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230 QList<int> indexOf(QWidget *toolBar) const; |
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231 QList<int> gapIndex(const QPoint &pos) const; |
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232 QList<int> currentGapIndex() const; |
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233 bool insertGap(const QList<int> &path, QLayoutItem *item); |
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234 void remove(const QList<int> &path); |
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235 void remove(QLayoutItem *item); |
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236 void clear(); |
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237 QToolBarAreaLayoutItem &item(const QList<int> &path); |
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238 QRect itemRect(const QList<int> &path) const; |
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239 QLayoutItem *plug(const QList<int> &path); |
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240 QLayoutItem *unplug(const QList<int> &path, QToolBarAreaLayout *other); |
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241 |
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242 void saveState(QDataStream &stream) const; |
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243 bool restoreState(QDataStream &stream, const QList<QToolBar*> &toolBars, uchar tmarker, bool pre43, bool testing = false); |
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244 bool isEmpty() const; |
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245 }; |
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246 |
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247 |
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248 QT_END_NAMESPACE |
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249 #endif // QT_NO_TOOLBAR |
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250 #endif // QTOOLBARAREALAYOUT_P_H |