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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Implements the query dialog box used for asking users input on row |
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15 // and column resize. Also implements the Grid Window which handles the user |
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16 // inputs on the Grid Table.\n |
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17 // |
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18 // |
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19 |
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20 /** |
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21 @file |
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22 @internalComponent - Internal Symbian test code |
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23 */ |
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24 |
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25 #include <gdi.h> |
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26 #include <coemain.h> |
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27 #include "COEGRID.H" |
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28 #include <grdstd.h> |
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29 |
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30 #define KGridPointerRepeatDelayInMicroSeconds 10000 |
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31 |
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32 #define KGridRectForPointerRepeats (TRect(-1000,-1000,1000,1000)) |
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33 /** |
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34 Function invoked in case of PANIC.\n |
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35 */ |
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36 GLDEF_C void Panic(TCoeGridPanic aPanic) |
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37 { |
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38 User::Panic(_L("COEGRID"),aPanic); |
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39 } |
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40 |
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41 // |
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42 // class CTGridQueryDialog |
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43 // |
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44 |
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45 CTGridQueryDialog::~CTGridQueryDialog() |
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46 { |
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47 //iEikonEnv->RemoveFromStack(this); |
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48 } |
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49 |
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50 /* |
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51 TBool CTGridQueryDialog::ExecuteLD() |
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52 { |
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53 ConstructL(); |
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54 CActiveScheduler::Start(); |
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55 TBool exitConfirmed=iExitConfirmed; |
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56 delete this; |
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57 return exitConfirmed; |
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58 } |
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59 */ |
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60 |
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61 /** Single argument Constructor for CTGridQueryDialog */ |
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62 |
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63 CTGridQueryDialog::CTGridQueryDialog(TBool& aIsColumn) |
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64 : iIsColumn(aIsColumn) |
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65 {} |
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66 /** |
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67 Second phase constructor for the query dialog.\n |
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68 Creates a control window , |
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69 Set the control's extent and draws the control after activating the dialog.\n |
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70 */ |
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71 void CTGridQueryDialog::ConstructL() |
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72 { |
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73 CreateWindowL(); |
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74 SetExtent(TPoint(0,0),TSize(600,100)); |
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75 //iEikonEnv->AddDialogLikeControlToStackL(this); |
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76 ActivateL(); |
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77 DrawNow(); |
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78 } |
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79 /** |
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80 Draw function related to CTGridQueryDialog box.\n |
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81 Draws the dialog box with three options for resize column,row and to skip.\n |
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82 */ |
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83 void CTGridQueryDialog::Draw(const TRect& /*aRect*/) const |
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84 { |
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85 CWindowGc& gc=iCoeEnv->SystemGc(); |
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86 gc.SetPenColor(KRgbBlack); |
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87 gc.SetBrushColor(KRgbGray); |
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88 gc.SetBrushStyle(CGraphicsContext::ESolidBrush); |
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89 TRect border=Rect(); |
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90 gc.DrawRect(border); |
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91 border.Shrink(5,5); |
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92 gc.DrawRect(border); |
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93 border.Shrink(5,5); |
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94 gc.SetBrushColor(KRgbBlack); |
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95 gc.UseFont(iCoeEnv->NormalFont()); |
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96 TPoint pos=border.iTl; |
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97 pos.iY+=20; |
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98 gc.DrawText(_L("Press [C] to resize column, [R] to resize row, [Esc] to cancel"),pos); |
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99 pos.iY+=30; |
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100 gc.DrawText(_L("Resize with arrow keys, then [Enter] to resize or [Esc] to cancel"),pos); |
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101 } |
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102 /** |
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103 Auxilliary Fn for T-Grid0Step-RunTestStepL |
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104 The query dialog box is used to handle user inputs regarding resizing.\n |
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105 Handles the following key events.\n |
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106 Esc Key Event - Skips the Resize.\n |
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107 'r' Key Event - Invoked for resizing the row.\n |
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108 'c' Key Event - Invoked for resizing the row.\n |
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109 */ |
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110 TKeyResponse CTGridQueryDialog::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType) |
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111 { |
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112 if(aType==EEventKey) |
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113 { |
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114 switch(User::LowerCase(aKeyEvent.iCode)) |
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115 { |
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116 case EKeyEscape: |
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117 iExitConfirmed=EFalse; |
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118 // CActiveScheduler::Stop(); |
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119 break; |
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120 case 'c': //C |
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121 iExitConfirmed=ETrue; |
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122 iIsColumn=ETrue; |
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123 // CActiveScheduler::Stop(); |
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124 break; |
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125 case 'r': //R |
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126 iExitConfirmed=ETrue; |
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127 iIsColumn=EFalse; |
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128 // CActiveScheduler::Stop(); |
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129 break; |
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130 default: |
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131 break; |
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132 } |
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133 } |
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134 return EKeyWasConsumed; |
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135 } |
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136 |
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137 /** |
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138 Static function to construct the Grid Window.\n |
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139 Grid Window is a control on which the Grid table is displayed .\n |
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140 Invokes the second phase constructor.\n |
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141 */ |
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142 CGridWin* CGridWin::NewL(CCoeControl* aWin,CGridLay *aGridLay,CGridImg *aGridImg) |
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143 { |
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144 CGridWin *self=new(ELeave) CGridWin(aGridLay,aGridImg); |
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145 CleanupStack::PushL(self); |
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146 self->ConstructL(aWin); |
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147 CleanupStack::Pop(); |
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148 return self; |
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149 } |
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150 /** |
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151 Sets the resize mode for the Grid Window.\n |
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152 The typical values of the mode will be to resize column or row .\n |
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153 The function is invoked when the user chooses to resize row or column.\n |
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154 */ |
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155 void CGridWin::SetResizeMode(TResizeMode aMode) |
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156 { |
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157 iResizeMode=aMode; |
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158 } |
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159 /** |
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160 Returns the current resize mode for the Grid Window.\n |
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161 The typical values of the mode will be to resize column or row .\n |
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162 */ |
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163 TInt CGridWin::ResizeMode() |
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164 { |
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165 return iResizeMode; |
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166 } |
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167 /** |
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168 Two argument Constructor.\n |
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169 Constructs a Grid Window taking GridLay and Grid Image as arguments.\n |
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170 */ |
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171 CGridWin::CGridWin(CGridLay *aGridLay,CGridImg *aGridImg) |
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172 : iGridLay(aGridLay), |
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173 iGridImg(aGridImg), |
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174 iResizeMode(EResizeOff) |
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175 {} |
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176 /** |
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177 Second phase constructor for the Grid Window.\n |
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178 Creates a control's window which is the child of the application's window group.\n |
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179 Allows pointer grabs in a window in order to receive pointer events.\n |
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180 Sets the window as the default window.\n |
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181 */ |
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182 void CGridWin::ConstructL(CCoeControl* aWin) |
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183 { |
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184 CreateWindowL(aWin); |
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185 Window().PointerFilter(EPointerFilterDrag,0); |
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186 Window().SetPointerGrab(ETrue); |
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187 iGridImg->SetWindow(&Window()); |
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188 if (iGridLay->IsIndefiniteRowBoundaries()) |
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189 iGridLay->SetUniformRowHeight(ETrue); |
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190 } |
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191 /** |
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192 Destructor for the Grid Window class.\n |
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193 */ |
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194 CGridWin::~CGridWin() |
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195 { |
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196 } |
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197 /** |
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198 |
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199 @return Pointer to the GridLay object owned by the Grid Window.\n |
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200 |
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201 The function is invoked in case modifications |
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202 need to be made to the layout of the grid.\n |
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203 */ |
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204 CGridLay* CGridWin::GridLay() const |
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205 { |
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206 return iGridLay; |
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207 } |
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208 /** |
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209 @return Pointer to the GridImg object owned by the Grid Window.\n |
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210 |
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211 The function is invoked whenever there is a need to redraw the contents of the grid.\n |
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212 */ |
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213 CGridImg* CGridWin::GridImg() const |
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214 { |
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215 return iGridImg; |
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216 } |
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217 /** |
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218 Draws the Grid Window.\n |
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219 The function is invoked by the window server.\n |
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220 This function is used for window server-initiated redrawing of controls, |
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221 and for some application-initiated drawing.\n |
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222 It should be implemented by each control.\n |
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223 |
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224 */ |
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225 void CGridWin::Draw(const TRect& aRect) const |
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226 { |
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227 CWindowGc& gc=SystemGc(); |
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228 gc.DrawRect(Rect()); |
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229 TRAPD(err,iGridImg->DrawL(&gc,aRect)); |
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230 __ASSERT_ALWAYS(!err,User::Panic(_L("DrawL(&gc,aRect)"),err)); |
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231 } |
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232 |
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233 TKeyResponse CGridWin::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode /*aType*/) |
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234 // Tells GridImg to do the appropriate action on a keypress. |
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235 { |
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236 if(iResizeMode!=EResizeOff) |
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237 { |
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238 TKeyResponse response=EKeyWasNotConsumed; |
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239 if(iResizeMode==EResizeColumn) |
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240 { |
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241 switch(aKeyEvent.iCode) |
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242 { |
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243 case EKeyLeftArrow: |
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244 iGridImg->UpdateLabelResize(-4); |
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245 response=EKeyWasConsumed; |
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246 break; |
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247 case EKeyRightArrow: |
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248 iGridImg->UpdateLabelResize(4); |
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249 response=EKeyWasConsumed; |
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250 break; |
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251 } |
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252 } |
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253 else if(iResizeMode==EResizeRow) |
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254 { |
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255 switch(aKeyEvent.iCode) |
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256 { |
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257 case EKeyUpArrow: |
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258 iGridImg->UpdateLabelResize(-4); |
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259 response=EKeyWasConsumed; |
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260 break; |
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261 case EKeyDownArrow: |
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262 iGridImg->UpdateLabelResize(4); |
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263 response=EKeyWasConsumed; |
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264 break; |
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265 } |
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266 } |
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267 switch(aKeyEvent.iCode) |
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268 { |
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269 case EKeyEnter: |
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270 iGridImg->FinishLabelResizeL(ETrue); |
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271 iResizeMode=EResizeOff; |
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272 response=EKeyWasConsumed; |
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273 break; |
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274 case EKeyEscape: |
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275 iGridImg->FinishLabelResizeL(EFalse); |
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276 iResizeMode=EResizeOff; |
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277 response=EKeyWasConsumed; |
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278 break; |
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279 } |
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280 return response; |
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281 } |
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282 else |
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283 { |
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284 TUint selectState=0; |
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285 if (aKeyEvent.iModifiers&EModifierShift) |
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286 selectState=CGridImg::EIsWithSelect; |
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287 if (aKeyEvent.iModifiers&EModifierCtrl) |
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288 { |
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289 switch (aKeyEvent.iCode) |
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290 { |
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291 case EKeyUpArrow: |
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292 iGridImg->MoveCursorL(EMovePageUp,selectState); |
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293 break; |
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294 case EKeyDownArrow: |
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295 iGridImg->MoveCursorL(EMovePageDown,selectState); |
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296 break; |
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297 case EKeyLeftArrow: |
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298 iGridImg->MoveCursorL(EMovePageLeft,selectState); |
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299 break; |
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300 case EKeyRightArrow: |
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301 iGridImg->MoveCursorL(EMovePageRight,selectState); |
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302 break; |
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303 case EKeyHome: |
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304 iGridImg->MoveCursorL(EMoveHome,selectState); |
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305 break; |
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306 case EKeyEnd: |
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307 iGridImg->MoveCursorL(EMoveEnd,selectState); |
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308 break; |
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309 case EKeyPageUp: |
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310 iGridImg->MoveCursorL(EMoveColumnStart,selectState); |
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311 break; |
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312 case EKeyPageDown: |
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313 iGridImg->MoveCursorL(EMoveColumnEnd,selectState); |
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314 break; |
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315 default: |
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316 return EKeyWasNotConsumed; |
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317 } |
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318 } |
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319 else |
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320 { |
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321 switch (aKeyEvent.iCode) |
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322 { |
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323 case EKeyUpArrow: |
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324 iGridImg->MoveCursorL(EMoveRowUp,selectState); |
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325 break; |
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326 case EKeyDownArrow: |
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327 iGridImg->MoveCursorL(EMoveRowDown,selectState); |
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328 break; |
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329 case EKeyLeftArrow: |
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330 iGridImg->MoveCursorL(EMoveColumnLeft,selectState); |
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331 break; |
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332 case EKeyRightArrow: |
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333 iGridImg->MoveCursorL(EMoveColumnRight,selectState); |
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334 break; |
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335 case EKeyPageUp: |
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336 iGridImg->MoveCursorL(EMovePageUp,selectState); |
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337 break; |
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338 case EKeyPageDown: |
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339 iGridImg->MoveCursorL(EMovePageDown,selectState); |
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340 break; |
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341 case EKeyHome: |
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342 iGridImg->MoveCursorL(EMoveRowStart,selectState); |
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343 break; |
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344 case EKeyEnd: |
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345 iGridImg->MoveCursorL(EMoveRowEnd,selectState); |
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346 break; |
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347 default: |
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348 return EKeyWasNotConsumed; |
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349 } |
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350 } |
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351 } |
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352 return EKeyWasConsumed; |
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353 } |
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354 /** |
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355 Function handles the pointer events received by the control Window.\n |
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356 Handles the following events.\n |
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357 1. Pointer Drag.\n |
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358 2. Double click.\n |
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359 3. Ctrl+ ButtonDown.\n |
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360 4. Shift+ Select.\n |
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361 */ |
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362 void CGridWin::HandlePointerEventL(const TPointerEvent& aPointerEvent) |
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363 { |
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364 // |
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365 // Tells GridImg to do the appropriate action on a pointer event |
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366 // |
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367 if (aPointerEvent.iType==TPointerEvent::EDrag || aPointerEvent.iType==TPointerEvent::EButtonRepeat |
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368 && !iGridImg->MainRect().Contains(aPointerEvent.iPosition)) |
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369 { |
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370 Window().RequestPointerRepeatEvent(KGridPointerRepeatDelayInMicroSeconds,KGridRectForPointerRepeats); |
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371 } |
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372 TPointerEvent event=aPointerEvent; |
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373 if (event.iType==TPointerEvent::EButtonRepeat) |
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374 event.iType=TPointerEvent::EDrag; |
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375 else if (event.iModifiers&EModifierDoubleClick) |
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376 event.iType=TPointerEvent::EButton1Down; |
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377 |
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378 TUint flagList=0; |
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379 if (event.iModifiers&EModifierCtrl) |
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380 flagList=CGridImg::EIsWithControl; |
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381 if (event.iType == TPointerEvent::EButton1Up) |
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382 iGridImg->FinishLabelDragL(); |
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383 else if (event.iType == TPointerEvent::EButton1Down) |
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384 { |
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385 if (!iGridImg->StartLabelDrag(event.iPosition)) |
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386 { |
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387 if (event.iModifiers&EModifierShift) |
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388 flagList|=CGridImg::EIsWithSelect; |
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389 iGridImg->SetCursorWithPointerL(event.iPosition,flagList); |
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390 } |
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391 } |
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392 else if (event.iType == TPointerEvent::EDrag) |
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393 { |
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394 if (!iGridImg->UpdateLabelDrag(event.iPosition)) |
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395 { |
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396 flagList|=CGridImg::EIsWithSelect|CGridImg::EIsWithDrag; |
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397 iGridImg->SetCursorWithPointerL(event.iPosition,flagList); |
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398 } |
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399 } |
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400 } |
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401 /** |
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402 Shrinks the Grid. |
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403 The shrinking is achieved by adding value of (1,1) to the top left corner.\n |
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404 and subtracting the same coordinates from the bottom right corner of the grid.\n |
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405 */ |
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406 void CGridWin::SizeChanged() |
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407 { |
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408 TRect rect(Size()); |
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409 rect.Shrink(1,1); |
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410 iGridImg->SetGridRect(rect); |
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411 iGridLay->ResetVisibleToCell(); |
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412 } |
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413 /** |
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414 Draw the cell corresponding to the reference.\n |
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415 Calls the DrawCellL function of the CGridImg class.\n |
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416 */ |
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417 void CGridWin::DrawCellL(const TCellRef& aCell) const |
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418 { |
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419 iGridImg->DrawCellL(aCell); |
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420 } |
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421 /** |
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422 Draws the rectangle corresponding to the range.\n |
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423 Invokes the DrawRangeL function of the CGridImg class.\n |
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424 */ |
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425 void CGridWin::DrawRangeL(const TRangeRef& aRange) const |
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426 { |
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427 iGridImg->DrawRangeL(aRange); |
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428 } |
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429 /** |
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430 Draws the currently selected region.\n |
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431 Invokes the corresponding function of the CGridImg class.\n |
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432 */ |
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433 void CGridWin::DrawSelectedL() const |
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434 { |
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435 iGridImg->DrawSelectedL(); |
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436 } |
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437 /** |
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438 @return the cell reference where the cursor is located.\n |
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439 |
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440 Delegates the task to the corresponding function of CGridImg function.\n |
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441 */ |
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442 TCellRef CGridWin::CursorPos() const |
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443 { |
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444 return iGridImg->CursorPos(); |
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445 } |
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446 /** |
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447 Sets the cursor position to the cell reference sent as an argument.\n |
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448 */ |
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449 void CGridWin::SetCursorPosL(const TCellRef& aCursorPos) const |
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450 { |
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451 iGridImg->SetCursorPosL(aCursorPos); |
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452 } |
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453 /** |
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454 Scrolls the grid by the minimum necessary to |
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455 allow the specified cell to become visible.\n |
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456 The offset to the cell required to be visible is calculated and |
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457 a scroll operation is performed.\n |
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458 */ |
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459 void CGridWin::ExposeCellL(const TCellRef& aCell) const |
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460 { |
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461 TPoint offset=iGridLay->ExposeCell(aCell); |
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462 iGridImg->ScrollL(offset); |
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463 } |