1 akntoolbar.h |
1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Popup toolbar component |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef __AKNTOOLBAR_H__ |
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21 #define __AKNTOOLBAR_H__ |
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22 |
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23 // INCLUDES |
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24 #include <avkon.hrh> // TAknOrientation |
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25 #include <akncontrol.h> // CCoeControl |
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26 #include <coecobs.h> // MCoeControlObserver |
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27 #include <eikcmobs.h> // MEikCommandObserver |
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28 #include <aknpopupfader.h> |
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29 #include <babitflags.h> |
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30 |
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31 // FORWARD DECLARATIONS |
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32 class CAknButton; |
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33 class CAknToolbarItem; |
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34 class CAknToolbarExtension; |
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35 class MAknToolbarObserver; |
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36 class CEikButtonGroupContainer; |
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37 class TAknWindowComponentLayout; |
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38 class CAknsFrameBackgroundControlContext; |
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39 class CAknsBasicBackgroundControlContext; |
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40 |
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41 |
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42 // DisableToolbarL leaves with this value if toolbar is shown, since toolbar |
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43 // should not be shown when disabling/enabling toolbar. |
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44 const TInt KErrToolbarShown = -101; |
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45 |
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46 // CLASS DECLARATION |
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47 |
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48 /** |
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49 * The class to provide toolbar for the application |
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50 * |
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51 * @lib eikcoctl.lib |
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52 * @since Series 60 3.1 |
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53 */ |
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54 class CAknToolbar : public CAknControl, public MCoeControlObserver, |
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55 public MCoeControlBackground, public MEikCommandObserver, |
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56 public MAknFadedComponent |
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57 { |
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58 public: //Enumerations: |
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59 |
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60 enum TEventModifiers { |
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61 ELongPress = 1, |
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62 ELongPressEnded = 2, |
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63 }; |
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64 |
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65 public: // Constructors and destructor |
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66 |
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67 /** |
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68 * Two-phased constructor. |
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69 * |
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70 * @param aResourceId The ID for this component's resource |
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71 * @return Pointer to the created toolbar object |
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72 */ |
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73 IMPORT_C static CAknToolbar* NewL( const TInt aResourceId ); |
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74 |
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75 /** |
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76 * Two-phased constructor. |
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77 * |
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78 * @param aResourceId The ID for this component's resource |
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79 * @return Pointer to the created toolbar object |
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80 */ |
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81 IMPORT_C static CAknToolbar* NewLC( const TInt aResourceId ); |
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82 |
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83 /** |
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84 * Destructor |
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85 */ |
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86 ~CAknToolbar(); |
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87 |
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88 public: // From base class |
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89 |
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90 /** |
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91 * From CCoeControl. |
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92 * Gets the number of controls contained in a compound control. |
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93 * |
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94 * @return The number of component controls contained by this control. |
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95 */ |
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96 IMPORT_C TInt CountComponentControls() const; |
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97 |
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98 /** |
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99 * From CCoeControl. |
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100 * Gets the specified component of a compound control. |
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101 * |
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102 * @param aIndex The index of the control to get |
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103 * @return The component control with an index of aIndex. |
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104 */ |
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105 IMPORT_C CCoeControl* ComponentControl( TInt aIndex ) const ; |
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106 |
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107 /** |
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108 * From CCoeControl. |
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109 * Handles pointer events. |
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110 * |
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111 * @param aPointerEvent The pointer event. |
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112 */ |
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113 IMPORT_C void HandlePointerEventL( const TPointerEvent& aPointerEvent ); |
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114 |
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115 /** |
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116 * From CCoeControl. |
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117 * Handles a change to the control's resources. |
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118 * |
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119 * @param aType A message UID value. |
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120 */ |
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121 IMPORT_C void HandleResourceChange( TInt aType ); |
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122 |
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123 /** |
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124 * From MCoeControlObserver. |
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125 * Handles an event from an observed toolbar item. |
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126 * |
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127 * @param aControl The control which sent the event |
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128 * @param aEventType The event type |
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129 */ |
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130 IMPORT_C void HandleControlEventL( CCoeControl* aControl, |
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131 TCoeEvent aEventType ); |
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132 |
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133 /** |
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134 * From CCoeControl. |
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135 * Responds to changes in the position of a toolbar. |
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136 */ |
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137 IMPORT_C void PositionChanged(); |
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138 |
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139 /** |
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140 * From MEikCommandObserver. |
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141 * Processes user commands. |
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142 * |
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143 * @param TInt aCommandId ID of the command to respond to. |
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144 */ |
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145 IMPORT_C void ProcessCommandL( TInt aCommandId ); |
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146 |
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147 /** |
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148 * From CCoeControl. |
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149 * Sets toolbar dimmed. Doesn't redraw. |
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150 * |
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151 * @param aDimmed is ETrue to dim the toolbar, |
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152 * EFalse to set the toolbar as not dimmed |
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153 */ |
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154 IMPORT_C void SetDimmed( TBool aDimmed ); |
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155 |
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156 /** |
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157 * From CCoeControl. |
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158 * Handles key events. |
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159 * |
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160 * @param aKeyEvent The key event |
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161 * @param aType The type of key event: EEventKey, EEventKeyUp |
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162 * or EEventKeyDown. |
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163 * @return TKeyResponse Indicates whether or not the key event was used |
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164 * by this control. |
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165 */ |
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166 IMPORT_C TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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167 TEventCode aType ); |
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168 |
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169 /** |
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170 * From CCoeControl. |
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171 * Gets the control's input capabilities. |
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172 * |
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173 * @return The control's input capabilities. |
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174 */ |
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175 IMPORT_C TCoeInputCapabilities InputCapabilities() const; |
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176 |
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177 /** |
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178 * From MCoeControlBackground. |
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179 * Draw the background for a given control. |
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180 * The text drawer that shall be used to draw text on the specific |
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181 * background can be fetched through the GetTextDrawer() method. |
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182 * |
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183 * @param aGc Graphics context used for drawing. |
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184 * @param aControl The control being drawn (may be a child of the drawer). |
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185 * @param aRect The area to be redrawn. |
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186 */ |
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187 IMPORT_C void Draw( CWindowGc& aGc, |
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188 const CCoeControl& aControl, |
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189 const TRect& aRect ) const; |
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190 |
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191 public: // New functions |
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192 |
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193 /** |
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194 * Gets a pointer to the specified control. |
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195 * |
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196 * @param aControlId The ID of the control for which a pointer is |
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197 * required. |
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198 * @return Pointer to the control with the specified ID. |
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199 */ |
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200 IMPORT_C CCoeControl* ControlOrNull( const TInt aControlId ) const; |
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201 |
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202 /** |
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203 * Shows or hides toolbar. Position of the top left corner should be set |
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204 * in advance. Toolbar set visible with this method is by default focusing. |
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205 * Does nothing if toolbar is disabled. |
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206 * @param aVisible ETrue to show it, EFalse to hide it. |
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207 */ |
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208 IMPORT_C void SetToolbarVisibility( const TBool aVisible ); |
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209 |
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210 /** |
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211 * Shows or hides toolbar. Position of the top left corner should be set |
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212 * in advance. This overload of the method allows toolbar to be set |
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213 * non-focusing. Does nothing if toolbar is disabled. |
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214 * @param aVisible ETrue to show it, EFalse to hide it. |
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215 * @param aFocusing ETrue to set toolbar focusing, otherwise EFalse. |
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216 */ |
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217 IMPORT_C void SetToolbarVisibility( const TBool aVisible, |
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218 const TBool aFocusing ); |
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219 |
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220 /** |
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221 * Dims (greys out) or undims a toolbar item. |
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222 * |
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223 * @param aCommandId The command (as defined in an .hrh file) |
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224 * associated with this toolbar item. This identifies the toolbar |
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225 * item, whose text is to be dimmed or un-dimmed. |
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226 * @param aDimmed Use ETrue to dim this toolbar item or EFalse to |
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227 * un-dim this toolbar item. |
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228 * @param aDrawNow Should be ETrue for the item to be redrawn. |
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229 */ |
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230 IMPORT_C void SetItemDimmed( const TInt aCommandId, |
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231 const TBool aDimmed, |
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232 const TBool aDrawNow ); |
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233 |
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234 /** |
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235 * Hides or unhides a toolbar item. |
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236 * |
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237 * @param aCommandId The command (as defined in an .hrh file) |
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238 * associated with this toolbar item. This identifies the toolbar |
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239 * item, which will be set to hidden or unhidden. |
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240 * @param aHide Use ETrue to hide this toolbar item or EFalse to |
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241 * unhide this toolbar item. |
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242 * @param aDrawNow Should be ETrue for the toolbar to be redrawn. |
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243 */ |
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244 IMPORT_C void HideItem( const TInt aCommandId, |
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245 const TBool aHide, |
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246 const TBool aDrawNow ); |
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247 |
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248 /** |
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249 * Sets the observer for the toolbar. |
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250 * |
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251 * @param aObserver A pointer to the observer. Ownership is not changed. |
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252 */ |
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253 IMPORT_C void SetToolbarObserver( MAknToolbarObserver* aObserver ); |
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254 |
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255 /** |
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256 * Returns a pointer to the toolbar observer. |
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257 * |
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258 * @return Pointer to the toolbar observer. |
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259 */ |
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260 IMPORT_C MAknToolbarObserver* ToolbarObserver(); |
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261 |
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262 /** |
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263 * Adds one item to the end of the toolbar. Takes ownership. |
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264 * Leaves with value KErrNotSupported, if the control type is not |
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265 * supported by toolbar (see CAknToolbar::IsSupportedItemType()). |
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266 * |
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267 * @param aItem The control. |
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268 * @param aType The type of the new toolbar item. |
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269 * @param aCommandId The command ID for this item. |
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270 * @param aFlags The flags. |
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271 */ |
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272 IMPORT_C void AddItemL( CCoeControl* aItem, |
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273 const TInt aType, |
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274 const TInt aCommandId, |
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275 const TInt aFlags ); |
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276 |
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277 /** |
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278 * Adds one item to the specified place. Takes ownership. |
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279 * Leaves with value KErrNotSupported, if the control type is not |
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280 * supported by toolbar (see CAknToolbar::IsSupportedItemType()). |
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281 * |
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282 * @param aItem The control. |
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283 * @param aType The type of the new toolbar item. |
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284 * @param aCommandId The command ID for this item. |
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285 * @param aFlags The flags. |
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286 * @param aIndex The index in array at which item should be added. |
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287 */ |
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288 IMPORT_C void AddItemL( CCoeControl* aItem, |
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289 const TInt aType, |
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290 const TInt aCommandId, |
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291 const TInt aFlags, |
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292 const TInt aIndex ); |
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293 |
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294 /** |
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295 * Removes one item from the toolbar. |
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296 * |
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297 * @param aCommandId The ID of the item which should be removed. |
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298 */ |
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299 IMPORT_C void RemoveItem( const TInt aCommandId ); |
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300 |
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301 /** |
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302 * Returns ETrue if the type of the item can be included in the |
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303 * toolbar. |
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304 * |
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305 * @return ETrue for the supported type, otherwise EFalse. |
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306 */ |
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307 IMPORT_C TBool IsSupportedItemType( const TInt aType ) const; |
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308 |
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309 /** |
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310 * Changes the command ID for the initially focused item when toolbar is |
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311 * shown or gain focus. Notice that, if this item is not visible, then |
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312 * focus will be according default behaviour. Normally, focus will be on |
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313 * the first item, if KAknToolbarMiddleItemFocused flag was not used. |
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314 * |
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315 * @param aCommandId The command ID for the item to get focus. |
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316 */ |
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317 IMPORT_C void SetInitialFocusedItem( const TInt aCommandId ); |
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318 |
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319 /** |
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320 * Called by the framework to handle the emphasising or |
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321 * de-emphasising of a toolbar window when it is needed. |
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322 * |
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323 * @param aEmphasis ETrue to emphasize the menu, EFalse otherwise. |
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324 */ |
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325 IMPORT_C void SetEmphasis( const TBool aEmphasis ); |
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326 |
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327 /** |
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328 * Returns toolbar visibility at this moment |
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329 * |
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330 * @return ETrue, if toolbar is shown. |
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331 */ |
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332 IMPORT_C TBool IsShown() const; |
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333 |
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334 /** |
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335 * Specifies whether toolbar should be shown with sliding effect or not. |
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336 * By default toolbar is shown with sliding. |
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337 * |
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338 * @param aSlide ETrue for sliding effect, EFalse without sliding. |
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339 */ |
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340 IMPORT_C void SetWithSliding( const TBool aSlide ); |
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341 |
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342 /** |
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343 * Sets whether the toolbar should be closed or remain open after the |
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344 * specified command is issued from the toolbar. |
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345 * |
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346 * @param aCommandId The command. |
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347 * @param aClose ETrue, if toolbar should be close. |
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348 */ |
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349 IMPORT_C void SetCloseOnCommand( const TInt aCommandId, |
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350 const TBool aClose ); |
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351 |
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352 /** |
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353 * Sets whether the toolbar should be closed after a command is issued |
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354 * from the toolbar. This method affects every command on the toolbar. |
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355 * |
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356 * @param aClose ETrue, if toolbar should be closed. |
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357 */ |
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358 IMPORT_C void SetCloseOnAllCommands( const TBool aClose ); |
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359 |
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360 /** |
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361 * Sets toolbar orientation. |
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362 * |
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363 * @param aOrientation Orientation that should be used for toolbar. |
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364 * @since 3.2 |
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365 */ |
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366 IMPORT_C void SetOrientation( const TAknOrientation aOrientation ); |
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367 |
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368 /** |
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369 * Updates transparent toolbar's background. |
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370 * @since 3.2 |
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371 */ |
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372 IMPORT_C void UpdateBackground(); |
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373 |
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374 /** |
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375 * Shows toolbar again after it has been hidden for background changing |
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376 * purposes |
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377 * |
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378 * @since 3.2 |
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379 */ |
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380 void ShowToolbarForBackgroundUpdate(); |
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381 |
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382 /** |
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383 * Disables/Enables toolbar so that it cannot/can be activated from e.g. |
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384 * touch pane. Needed especially if a dialog is on the screen and |
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385 * toolbar is not wished to be shown. Leaves with value KErrToolbarShown |
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386 * if called when toolbar is shown. |
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387 * |
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388 * @param aDisable ETrue if toolbar should be disabled |
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389 * |
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390 * @since S60 3.2 |
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391 */ |
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392 IMPORT_C void DisableToolbarL( TBool aDisable ); |
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393 |
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394 /** |
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395 * Checks if toolbar is disabled. |
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396 * |
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397 * @return ETrue if toolbar is disabled, EFalse if not |
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398 * |
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399 * @since S60 3.2 |
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400 */ |
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401 IMPORT_C TBool IsToolbarDisabled() const; |
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402 |
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403 /** |
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404 * Moves highlight from one item to another. Leaves with |
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405 * value KErrNotFound if item not found. |
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406 * |
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407 * @param aCommandId command id of the item to be focused. |
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408 * |
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409 * @since S60 3.2 |
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410 */ |
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411 IMPORT_C void SetFocusedItemL( const TInt aCommandId ); |
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412 |
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413 /** |
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414 * Returns command id of focused item. |
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415 * |
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416 * @return command id of focused item. Returns KErrNotFound if |
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417 * no item is focused. |
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418 * |
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419 * @since S60 3.2 |
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420 */ |
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421 IMPORT_C TInt FocusedItem() const; |
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422 |
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423 /** |
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424 * Takes focus away from edwin or other controls if needed. Called by |
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425 * AknAppUi from HandleWsEventL when a pointer event is targeted to |
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426 * other control than toolbar. |
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427 * |
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428 * @since S60 3.2 |
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429 */ |
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430 void PrepareForFocusLossL(); |
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431 |
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432 /** |
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433 * Returns event modifiers defined in TEventModifiers in this header. |
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434 * This can be used by applications in OfferToolbarEventL to know if |
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435 * the event sent was for example a long press event. Information is |
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436 * valid only during OfferToolbarEventL. |
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437 * |
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438 * @return event modifiers |
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439 * @since S60 3.2 |
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440 */ |
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441 IMPORT_C TInt EventModifiers() const; |
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442 |
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443 /** |
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444 * Returns the flags of toolbar. Flags are defined in eikon.hrh. |
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445 * @return toolbar flags |
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446 * @since S60 3.2 |
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447 */ |
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448 IMPORT_C TInt ToolbarFlags() const; |
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449 |
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450 /* |
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451 * Count faded components |
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452 * @return then number of faded components |
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453 */ |
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454 TInt CountFadedComponents(); |
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455 |
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456 /* |
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457 * Returns faded components by index |
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458 * @return faded component |
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459 */ |
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460 CCoeControl* FadedComponent( TInt aIndex ); |
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461 |
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462 /* |
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463 * Reduces main pane rect if it intersects with toolbar's rect |
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464 * @param aBoundingRect the rect to reduce |
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465 */ |
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466 void ReduceRect( TRect& aBoundingRect ) const; |
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467 |
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468 /** |
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469 * Sets the resource id for toolbar softkeys. If cba allready exists |
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470 * then changes the existing softkeys and redraws toolbar cba. |
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471 * @param aSoftkeyResourceId ID of the resource structure specifying |
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472 * the command buttons. |
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473 * @since S60 3.2 |
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474 */ |
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475 IMPORT_C void SetSoftkeyResourceIdL( TInt aSoftkeyResourceId ); |
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476 |
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477 /** |
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478 * Extension notifies of its events using this method |
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479 * aCommandId command id of the button |
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480 */ |
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481 void ExtensionEventL( TInt aCommandId ); |
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482 |
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483 /** |
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484 * Returns the index of the toolbar item inside of the iVisibleItems |
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485 * array. |
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486 * |
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487 * @param aControl The control which index is needed. |
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488 * @return Index of the toolbar item. |
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489 */ |
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490 TInt ToolbarVisibleIndexByControl( const CCoeControl* aControl ) const; |
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491 |
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492 /** |
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493 * Returns pointer to toolbar extension if available |
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494 * @return toolbar extension or NULL |
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495 */ |
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496 IMPORT_C CAknToolbarExtension* ToolbarExtension() const; |
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497 |
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498 /** |
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499 * Calls DynInitToolbar with extensions commmand id |
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500 * |
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501 */ |
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502 void DynInitExtensionL( CCoeControl* aControl ); |
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503 |
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504 /** |
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505 * Callback for sliding toolbar. |
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506 */ |
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507 static TInt ReadyToSlide( TAny* aThis ); |
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508 |
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509 /** |
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510 * Slide toolbar |
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511 */ |
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512 void SlideWithIdle(); |
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513 |
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514 /** |
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515 * Hides/Unhides toolbar items temporarily. When called with ETrue |
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516 * toolbar draws just background in landscape and is hidden in portrait. |
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517 * Calling with EFalse returns the situation to normal, so drawing the |
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518 * items normally in portrait and landscape. Use this method only with |
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519 * fixed toolbar! |
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520 * |
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521 * @param aHide ETrue if hiding items, EFalse if unhiding. |
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522 */ |
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523 IMPORT_C void HideItemsAndDrawOnlyBackground( TBool aHide ); |
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524 |
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525 /** |
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526 * Hides/Unhides toolbar items temporarily. When called with ETrue |
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527 * toolbar draws just background in landscape and is hidden in portrait. |
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528 * Toolbar window priority is changed to priority passed in parameter. |
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529 * Priority should be one of the window priority values defined in |
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530 * TCoeWinPriority. Default priority is ECoeWinPriorityLow. |
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531 * Note that if toolbar is already hidden, the toolbar window priority |
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532 * is still changed to priority passed in parameter. |
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533 * Calling the function HideItemsAndDrawOnlyBackground with EFalse returns |
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534 * the situation to normal, so drawing the items normally in portrait |
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535 * and landscape. Use this method only with fixed toolbar! |
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536 * |
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537 * @param aHide ETrue if hiding items, EFalse if unhiding. |
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538 * @param aPriority Ordinal priority of toolbar window. |
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539 */ |
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540 IMPORT_C void HideItemsAndDrawOnlyBackground( TBool aHide, TInt aPriority ); |
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541 |
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542 |
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543 protected: // From base class |
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544 |
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545 /** |
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546 * From CCoeControl. |
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547 * Responds to size changes to sets the size and position of |
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548 * the contents of this control. |
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549 */ |
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550 IMPORT_C void SizeChanged(); |
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551 |
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552 /** |
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553 * From CCoeControl. |
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554 * This function is called whenever a control gains or loses focus. |
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555 * |
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556 * @param aDrawNow Contains the value that was passed to it by SetFocus(). |
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557 */ |
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558 IMPORT_C void FocusChanged( TDrawNow aDrawNow ); |
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559 |
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560 /** |
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561 * From CAknControl. |
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562 * For future extensions. |
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563 * |
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564 * @param aInterface The ID for the extension interface. |
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565 */ |
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566 IMPORT_C void* ExtensionInterface( TUid aInterface ); |
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567 |
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568 /** |
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569 * From CCoeControl. |
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570 * Retrieves an object of the same type as that encapsulated in aId. |
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571 * |
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572 * @param aId An encapsulated object type ID. |
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573 * @return Encapsulated pointer to the object provided. |
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574 * Note that the encapsulated pointer may be NULL. |
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575 */ |
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576 IMPORT_C TTypeUid::Ptr MopSupplyObject( TTypeUid aId ); |
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577 |
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578 private: // Constructors |
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579 |
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580 /** |
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581 * C++ default constructor. |
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582 */ |
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583 CAknToolbar(); |
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584 |
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585 /** |
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586 * Symbian 2nd phase constructor. |
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587 */ |
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588 void ConstructL(); |
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589 |
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590 private: // From base class |
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591 |
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592 /** |
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593 * From CCoeControl. |
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594 * Constructs controls from a resource file. |
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595 * Hides the one defined in base class. |
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596 * |
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597 * @param aReader The resource reader with which to access |
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598 * the control's resource values. |
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599 */ |
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600 IMPORT_C void ConstructFromResourceL( TResourceReader& aReader ); |
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601 |
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602 /** |
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603 * From CCoeControl. |
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604 * Draw a control called by window server. |
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605 * |
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606 * @param aRect The region of the control to be redrawn. |
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607 * Co-ordinates are relative to the control's origin (top left corner). |
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608 */ |
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609 IMPORT_C void Draw( const TRect& aRect ) const; |
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610 |
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611 private: // New functions |
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612 |
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613 /** |
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614 * Constructs controls from a resource file. |
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615 * |
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616 * @param aResourceId The ID for this component's resource. |
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617 */ |
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618 void ConstructFromResourceL( const TInt aResourceId ); |
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619 |
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620 /** |
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621 * Constructs one of the toolbar items. |
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622 * |
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623 * @param aReader The resource reader with which to access the control's |
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624 * resource values. |
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625 * @return Constructed toolbar item. |
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626 */ |
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627 CAknToolbarItem* ConstructControlLC( TResourceReader& aReader ); |
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628 |
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629 /** |
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630 * Calculates size and position of the toolbar depending on the |
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631 * number and size of the toolbar items. |
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632 * |
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633 * @return Toolbar rectangular. |
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634 */ |
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635 TRect CalculateSizeAndPosition(); |
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636 |
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637 /** |
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638 * Calculates rects that are used in calculating the size |
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639 * and position of the toolbar items |
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640 * |
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641 * @param aMainPaneRect main pane rect |
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642 * @param aToolbarRect rect for toolbar |
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643 * @param aGridPaneRect rect for grid pane |
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644 * @param aCellPaneRect rect for cell pane |
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645 */ |
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646 void CalculateRects( TRect& aMainPaneRect, TRect& aToolbarRect, |
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647 TRect& aGridPaneRect, TRect& aCellPaneRect ); |
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648 |
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649 /** |
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650 * Calculates the position and size of the control rect |
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651 * |
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652 * @param aCurrentCellPaneRect current cell pane rect is needed to |
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653 * get correct control rect from layout data. |
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654 * @return control rect for the toolbar item |
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655 */ |
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656 TRect CalculateControlRect( TRect& aCurrentCellPaneRect ); |
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657 |
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658 /** |
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659 * Checks the number of visible items, and if too few the toolbar CBA is |
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660 * deleted. If last time there were too few items then toolbar CBA is |
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661 * created again. Also the ordinal position of the toolbar is set if |
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662 * there are changes to previous situation. |
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663 * |
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664 * @return ETrue if too few items are visible, EFalse if not |
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665 */ |
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666 TBool TooFewItemsVisible(); |
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667 |
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668 /** |
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669 * Returns toolbar item object for the specified control. |
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670 * |
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671 * @param aControl Pointer to the control. |
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672 * @return Pointer to the toolbar item. |
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673 */ |
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674 CAknToolbarItem* ToolbarItemByControl( const CCoeControl* aControl ) const; |
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675 |
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676 /** |
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677 * Returns toolbar item object for the specified command ID. |
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678 * |
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679 * @param aId The command ID of the item. |
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680 * @return Pointer to the toolbar item. |
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681 */ |
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682 CAknToolbarItem* ToolbarItemById( const TInt aId ) const; |
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683 |
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684 /** |
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685 * Returns the index of the toolbar item inside of the iItems array. |
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686 * |
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687 * @param aId The command ID of the item |
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688 * @return Index of the toolbar item. |
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689 */ |
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690 TInt ToolbarItemIndexById( const TInt aId ) const; |
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691 |
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692 /** |
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693 * Returns the index of the toolbar item inside of the iItems array. |
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694 * |
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695 * @param aControl The control which index is needed. |
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696 * @return Index of the toolbar item. |
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697 */ |
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698 TInt ToolbarItemIndexByControl( const CCoeControl* aControl ) const; |
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699 |
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700 /** |
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701 * Returns the index of the toolbar item inside of the iVisibleItems |
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702 * array. |
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703 * |
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704 * @param aId The command ID of the item. |
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705 * @return Index of the toolbar item. |
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706 */ |
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707 TInt ToolbarVisibleIndexById( const TInt aId ) const; |
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708 |
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709 /** |
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710 * Draws toolbar with sliding effect. |
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711 * |
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712 * @param aEndPos The position of the top left corner of toolbar at |
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713 * the end of animation. |
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714 */ |
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715 void SlideToolbar( const TPoint& aEndPos ); |
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716 |
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717 /** |
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718 * Changes CBA text if all items are dimmed. |
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719 */ |
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720 void SetRightCbaTextL(); |
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721 |
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722 /** |
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723 * Returns next non-dimmed and non-hidden control index. |
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724 * |
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725 * @param aStartIndex The index of the item from which the search |
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726 * should be started. |
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727 * @param aMoveForward ETrue if search is done from lower index to |
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728 * the higher one. |
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729 * @return The index of next non-dimmed and non-hidden item. |
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730 */ |
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731 TInt GetNextSelectableItemIndex( TInt aStartIndex, |
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732 TBool aMoveForward ); |
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733 |
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734 /** |
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735 * Moves highlight from one item to another. It also will change |
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736 * softkey text for the focused toolbar. |
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737 * |
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738 * @param aItemIndex The index for the newly focused item. |
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739 * @param aDrawNow Specifies whether the item should be redrawn. |
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740 * @param aMoveForward Specifies whether the next item in the array |
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741 * should be selected when the item with aItemIndex is dimmed. |
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742 * @param aPrepareControl Specifies whether PrepareForFocusLossL() or |
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743 * PrepareForFocusGainL() functions should be called. |
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744 */ |
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745 void MoveHighlightL( TInt aItemIndex, |
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746 const TBool aDrawNow, |
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747 const TBool aMoveForward = ETrue, |
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748 const TBool aPrepareControl = ETrue ); |
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749 |
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750 /** |
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751 * Makes toolbar visible and activates it. Position of the top left |
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752 * corner should be set in advance. Also use SetFocus() to specify |
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753 * whether toolbar gets key events or not. |
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754 */ |
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755 void ShowToolbarL(); |
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756 |
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757 /** |
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758 * Hides toolbar. |
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759 */ |
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760 void HideToolbarL(); |
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761 |
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762 /** |
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763 * Sets the focus to the middle or the first item, depending on the |
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764 * toolbar flags. |
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765 * |
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766 * @param aDrawNow if the newly focused item should be redrawn. |
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767 */ |
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768 void InitFocusedItemL( const TBool aDrawNow ); |
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769 |
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770 /** |
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771 * Sets the flag to be on or off and also calls |
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772 * CCoeControl::MakeVisible(). |
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773 */ |
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774 void SetShown( const TBool aShown ); |
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775 |
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776 /** |
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777 * Selects/deselects the toolbar item at given index. |
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778 */ |
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779 void SelectItemL( const TInt aIndex, const TBool aSelect ); |
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780 |
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781 /** |
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782 * Gets rect from layout data. |
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783 */ |
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784 TRect RectFromLayout( const TRect& aParent, |
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785 const TAknWindowComponentLayout& aComponentLayout ) const; |
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786 |
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787 /** |
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788 * Callback to get notified when ready to show toolbar again |
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789 */ |
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790 static TInt WaitForScreenSwitch(TAny* aThis); |
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791 |
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792 /** |
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793 * Hides toolbar so that screen capture can be taken from the |
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794 * background in order to update it. |
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795 */ |
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796 void HideToolbarForBackgroundUpdate(); |
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797 |
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798 /** |
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799 * Updates control positions so that tooltips are positioned correctly |
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800 */ |
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801 void UpdateControlPositions(); |
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802 |
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803 /** |
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804 * Shows toolbar via CIdle. As a result, toolbar's window priority is |
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805 * setted after the application's container window. This places toolbar |
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806 * to the right place in the window tree. |
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807 */ |
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808 void ShowViaIdle(); |
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809 |
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810 /** |
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811 * Callback for delayed toolbar showing. |
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812 */ |
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813 static TInt ShowDelayedToolbar( TAny* aThis ); |
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814 |
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815 /** |
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816 * Modifies highlight bitmap that is 50% transparent to use when drawing |
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817 * highlight for small transparent toolbar. |
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818 */ |
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819 void ModifyHighlightMaskL( TBool aCreateBitmaps ); |
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820 |
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821 /** |
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822 * Fades behind toolbar |
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823 * @param aFade if ETrue then fade |
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824 */ |
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825 void FadeBehindPopup( TBool aFade ); |
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826 |
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827 /** |
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828 * Sets buttons to check their touchable areas when tapped |
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829 */ |
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830 void CheckHitAreas( ); |
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831 |
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832 /** |
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833 * Counts buttons of fixed tool bar and adds button(s) if needed |
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834 * There has to bee at leas three buttons in fixed toolbar. |
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835 */ |
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836 void CheckFixedToolbarButtonsL(); |
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837 |
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838 /** |
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839 * Draws backgrounds of fixed toolbar |
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840 * @param aGc Graphics context used for drawing. |
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841 * @param aControl The control being drawn (may be a child of the drawer). |
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842 * @param aRect The area to be drawn. |
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843 */ |
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844 void DrawFixedBackgroundL( CWindowGc& aGc, |
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845 const CCoeControl& aControl, |
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846 const TRect& aRect ) const; |
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847 |
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848 /** |
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849 * Adjusts button's properties depending on the toolbar's features. |
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850 */ |
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851 void AdjustButton( CAknButton& aButton ); |
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852 |
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853 /** |
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854 * Adjusts all buttons' properties depending on the toolbar's features. |
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855 */ |
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856 void AdjustAllButtons(); |
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857 |
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858 /** |
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859 * Adjusts toolbar's and overlying dialog's window positions so that |
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860 * dialog is displayed on top of the toolbar. |
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861 */ |
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862 void SetOrdinalPositions() const; |
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863 |
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864 /** |
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865 * Updates control visibility based on toolbar visibility and |
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866 * buttons visibility inside toolbar. |
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867 */ |
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868 void UpdateControlVisibility(); |
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869 |
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870 private: // Member variables |
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871 |
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872 // Array for toolbar items |
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873 RPointerArray<CAknToolbarItem> iItems; |
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874 |
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875 // Array for visible toolbar items |
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876 RPointerArray<CAknToolbarItem> iVisibleItems; |
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877 |
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878 // Toolbar flags |
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879 TInt iFlags; |
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880 |
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881 // Observer to report toolbar item events, not owned |
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882 MAknToolbarObserver* iToolbarObserver; |
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883 |
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884 // Index of focused item, used with focusable toolbar |
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885 TInt iFocusedItem; |
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886 |
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887 // Index of selected item, used with focusable and non-focusable toolbar |
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888 TInt iSelectedItem; |
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889 |
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890 // Toolbar cba, used with focusable toolbar |
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891 // own |
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892 CEikButtonGroupContainer* iToolbarCba; |
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893 |
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894 // Resource id for toolbar |
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895 TInt iToolbarResourceId; |
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896 |
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897 // The default focused item |
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898 TInt iInitialFocusedItem; |
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899 |
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900 // Last focused item before focus was lost |
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901 TInt iLastFocusedItem; |
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902 |
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903 // Toolbar frame context |
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904 // own |
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905 CAknsFrameBackgroundControlContext* iFrameContext; |
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906 |
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907 // Toolbar background context |
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908 // own |
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909 CAknsBasicBackgroundControlContext* iBgContext; |
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910 |
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911 // Toolbar orientation |
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912 TAknOrientation iOrientation; |
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913 |
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914 // Transparency bitmap |
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915 // own |
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916 CFbsBitmap* iBgBitmap; |
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917 |
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918 // This is used to call ShowToolbarForBackgroundChange after toolbar has |
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919 // been hidden |
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920 // own |
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921 CIdle* iIdle; |
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922 |
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923 // Highlight bitmap |
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924 CFbsBitmap* iHighlightBitmap; |
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925 |
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926 // Highlight mask |
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927 CFbsBitmap* iHighlightMask; |
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928 |
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929 // event modifiers |
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930 TInt iEventModifiers; |
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931 |
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932 // Background fader |
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933 TAknPopupFader iFader; |
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934 |
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935 // Softkey resource |
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936 TInt iSoftkeyResource; |
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937 |
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938 // Used to store previous item that had pointerevents |
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939 TInt iPreviousItem; |
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940 |
|
941 // Step for toolbar sliding |
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942 TInt iStep; |
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943 |
|
944 // End position for toolbar sliding |
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945 TInt iEndPos; |
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946 |
|
947 // Internal flags used to store toolbar's properties |
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948 TBitFlags iInternalFlags; |
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949 |
|
950 // Background area to be drawn when not enough visible items |
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951 // to cover the toolbar area |
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952 TRect iBgRect; |
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953 |
|
954 // Toolbar window priority if set in HideItemsAndDrawOnlyBackground |
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955 TInt iDrawingPriority; |
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956 |
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957 }; |
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958 |
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959 #endif // __AKNTOOLBAR_H__ |
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960 |
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961 // End of File |