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1 ObjectView subclass:#UIObjectView |
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2 instanceVariableNames:'inputView testMode undoHistory copiedExtent resizedObject |
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3 resizeSelector createInWidget createFrame createdObject |
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4 createClass clipChildren' |
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5 classVariableNames:'' |
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6 poolDictionaries:'' |
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7 category:'Interface-UIPainter' |
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8 ! |
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9 |
1 Object subclass:#UndoHistory |
10 Object subclass:#UndoHistory |
2 instanceVariableNames:'history transaction enabled modifiedAction' |
11 instanceVariableNames:'history transaction enabled modifiedAction' |
3 classVariableNames:'' |
12 classVariableNames:'' |
4 poolDictionaries:'' |
13 poolDictionaries:'' |
5 privateIn:UIObjectView |
14 privateIn:UIObjectView |
6 ! |
15 ! |
7 |
16 |
8 !UIObjectView::UndoHistory class methodsFor:'instance creation'! |
17 |
9 |
18 !UIObjectView class methodsFor:'defaults'! |
10 new |
19 |
11 ^ self basicNew initialize |
20 defaultGrid |
12 |
21 ^ 4 @ 4 |
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22 |
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23 ! |
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24 |
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25 gridShown |
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26 ^ false |
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27 |
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28 ! |
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29 |
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30 handleSize |
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31 "size of blob drawn for handles" |
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32 ^ 4 |
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33 |
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34 ! |
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35 |
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36 hitDelta |
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37 ^ 4 |
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38 |
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39 ! ! |
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40 |
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41 !UIObjectView methodsFor:'accessing'! |
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42 |
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43 gridParameters |
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44 "used by defineGrid, and in a separate method for |
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45 easier redefinition in subclasses. |
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46 Returns the grid parameters in an array of 7 elements, |
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47 which control the appearance of the grid-pattern. |
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48 the elements are: |
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49 |
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50 bigStepH number of pixels horizontally between 2 major steps |
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51 bigStepV number of pixels vertically between 2 major steps |
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52 littleStepH number of pixels horizontally between 2 minor steps |
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53 littleStepV number of pixels vertically between 2 minor steps |
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54 gridAlignH number of pixels for horizontal grid align (pointer snap) |
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55 gridAlignV number of pixels for vertical grid align (pointer snap) |
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56 docBounds true, if document boundary should be shown |
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57 |
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58 if littleStepH/V are nil, only bigSteps are drawn. |
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59 " |
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60 |
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61 ^ #(10 10 nil nil 10 10 false) |
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62 |
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63 |
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64 ! |
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65 |
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66 hideGrid |
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67 gridShown ifTrue:[ |
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68 self withSelectionHiddenDo:[ |
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69 super hideGrid |
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70 ] |
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71 ] |
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72 |
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73 |
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74 ! |
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75 |
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76 showGrid |
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77 self withSelectionHiddenDo:[ |
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78 super showGrid |
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79 ] |
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80 |
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81 "Modified: 5.9.1995 / 12:47:46 / claus" |
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82 |
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83 |
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84 ! |
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85 |
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86 testMode |
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87 "returns testMode |
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88 " |
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89 ^ testMode |
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90 |
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91 |
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92 ! |
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93 |
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94 testMode:aBoolean |
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95 "change testMode |
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96 " |
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97 (aBoolean == testMode) ifFalse:[ |
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98 testMode := aBoolean. |
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99 |
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100 testMode ifTrue:[ |
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101 self unselect. |
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102 inputView unrealize |
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103 ] ifFalse:[ |
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104 inputView raise. |
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105 inputView realize |
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106 ] |
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107 ] |
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108 |
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109 |
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110 ! ! |
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111 |
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112 !UIObjectView methodsFor:'event handling'! |
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113 |
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114 doKeyInput:key |
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115 ^ self |
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116 |
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117 |
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118 ! |
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119 |
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120 elementChanged:aView |
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121 "some element has been changed - kludge to force a resizing |
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122 operation (for child layout recomputation) in its superView" |
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123 |
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124 aView superView sizeChanged:nil. |
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125 self changed:#any. |
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126 |
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127 |
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128 ! |
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129 |
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130 elementChangedLayout:aView |
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131 "some element has been changed - kludge to force a resizing |
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132 operation (for child layout recomputation) in its superView" |
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133 |
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134 aView superView sizeChanged:nil. |
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135 self changed:#layout. |
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136 |
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137 |
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138 ! |
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139 |
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140 exposeX:x y:y width:w height:h |
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141 "handle an expose event from device; redraw selection |
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142 " |
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143 super exposeX:x y:y width:w height:h. |
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144 |
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145 selection notNil ifTrue:[ |
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146 self selectionDo:[:v | self showSelected:v] |
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147 ] |
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148 |
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149 |
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150 ! |
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151 |
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152 keyPress:key x:x y:y |
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153 |
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154 key == #InspectIt ifTrue:[ |
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155 ^ self inspectSelection |
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156 ]. |
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157 |
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158 (key == #Delete or:[key == #BackSpace]) ifTrue: [ |
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159 selection notNil ifTrue:[ |
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160 self deleteSelection |
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161 ] |
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162 ] ifFalse:[ |
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163 keyPressAction notNil ifTrue:[ |
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164 keyPressAction value:key |
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165 ] |
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166 ] |
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167 |
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168 |
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169 ! |
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170 |
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171 processEvent:anEvent |
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172 "catch expose events for components, and redraw its handles after |
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173 the redraw when this happens |
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174 " |
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175 |view| |
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176 |
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177 selection notNil ifTrue:[ |
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178 anEvent type == #damage ifTrue:[ |
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179 view := anEvent view. |
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180 (selection == view |
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181 or:[selection isCollection |
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182 and:[selection includes:view]]) ifTrue:[ |
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183 self showSelected:view |
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184 ] |
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185 ] |
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186 ]. |
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187 ^ false. |
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188 |
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189 |
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190 ! |
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191 |
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192 sizeChanged:how |
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193 self withSelectionHiddenDo:[ |
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194 super sizeChanged:how |
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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 |
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200 !UIObjectView methodsFor:'initialization'! |
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201 |
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202 initialize |
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203 super initialize. |
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204 |
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205 "funny: since I do not want the created widgets to get pointer |
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206 events, I put an InputView on top of them, which catches those events |
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207 and passes them back to me - have to take care, that this inputView |
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208 is always on top |
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209 " |
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210 inputView := InputView origin:0.0@0.0 extent:1.0@1.0 in:self. |
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211 |
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212 inputView eventReceiver:self. |
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213 inputView enableButtonEvents. |
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214 inputView enableButtonMotionEvents. |
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215 |
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216 self setDefaultActions. |
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217 |
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218 undoHistory := UndoHistory new. |
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219 |
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220 undoHistory modifiedAction:[:what| |
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221 self changed:#undoHistory with:what |
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222 ]. |
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223 |
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224 testMode := false. |
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225 clipChildren := true. |
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226 |
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227 (self class gridShown) ifTrue:[ |
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228 super showGrid |
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229 ]. |
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230 |
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231 ! |
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232 |
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233 realize |
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234 super realize. |
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235 self windowGroup postEventHook:self |
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236 |
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237 ! ! |
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238 |
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239 !UIObjectView methodsFor:'misc'! |
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240 |
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241 cursor:aCursor |
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242 inputView realized ifTrue:[ |
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243 inputView cursor:aCursor |
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244 ]. |
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245 super cursor:aCursor |
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246 |
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247 |
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248 ! |
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249 |
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250 invertOutlineOf:anObject |
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251 |wasClipped delta| |
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252 |
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253 (wasClipped := clipChildren) ifTrue:[ |
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254 self clippedByChildren:(clipChildren := false). |
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255 ]. |
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256 delta := (anObject originRelativeTo:self) - anObject origin. |
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257 |
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258 self xoring:[ |
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259 self displayRectangle:((anObject origin + delta) extent:anObject extent). |
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260 ]. |
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261 |
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262 wasClipped ifTrue:[ |
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263 self clippedByChildren:(clipChildren := true). |
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264 ]. |
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265 |
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266 "Modified: 5.9.1995 / 12:25:25 / claus" |
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267 |
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268 |
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269 ! |
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270 |
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271 setDefaultActions |
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272 |
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273 pressAction := [:pressPoint | self startSelectOrMove:pressPoint]. |
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274 shiftPressAction := [:pressPoint | self startSelectMoreOrMove:pressPoint]. |
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275 motionAction := [:movePoint | nil]. |
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276 releaseAction := [nil]. |
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277 keyPressAction := [:key | self doKeyInput:key]. |
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278 |
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279 self cursor:Cursor normal. |
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280 |
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281 ! |
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282 |
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283 showDragging:something offset:anOffset |
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284 "drag around a View" |
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285 |
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286 |top| |
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287 |
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288 self forEach:something do:[:anObject | |
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289 self drawRectangle:((anObject origin + anOffset) extent:(anObject extent)) |
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290 ] |
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291 |
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292 ! ! |
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293 |
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294 !UIObjectView methodsFor:'object creation'! |
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295 |
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296 doDragCreate:aPoint |
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297 "do a widget create drag |
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298 " |
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299 |p| |
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300 |
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301 p := self alignToGrid:aPoint. |
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302 createFrame corner:(p - (createInWidget originRelativeTo:self)). |
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303 |
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304 (createFrame extent x < 10) ifTrue:[ |
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305 createFrame extent x:10 |
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306 ]. |
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307 |
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308 (createFrame extent y < 10) ifTrue:[ |
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309 createFrame extent y:10 |
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310 ]. |
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311 |
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312 self invertOutlineOf:createdObject. |
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313 createdObject origin:(createFrame origin) extent:(createFrame extent). |
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314 self invertOutlineOf:createdObject. |
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315 ! |
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316 |
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317 endCreate |
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318 "end a widget create drag |
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319 " |
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320 |layout x y| |
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321 |
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322 self invertOutlineOf:createdObject. |
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323 inputView raise. |
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324 |
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325 layout := createdObject bounds asLayout. |
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326 createdObject geometryLayout:layout. |
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327 |
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328 self changed:#tree. |
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329 self select:createdObject. |
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330 createdObject := nil. |
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331 |
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332 self setDefaultActions. |
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333 |
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334 ! |
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335 |
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336 setupCreatedObject:anObject |
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337 self subclassResponsibility |
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338 ! |
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339 |
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340 startCreate:aPoint |
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341 "start a widget create |
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342 " |
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343 |startPoint| |
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344 |
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345 createClass isNil ifTrue:[ |
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346 ^ self setDefaultActions |
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347 ]. |
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348 (selection isKindOf:Collection) ifTrue:[ |
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349 self unselect. |
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350 ^ self setDefaultActions. |
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351 ]. |
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352 |
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353 startPoint := self alignToGrid:aPoint. |
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354 motionAction := [:movePoint| self doDragCreate:movePoint]. |
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355 releaseAction := [ self endCreate]. |
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356 |
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357 selection notNil ifTrue:[ |
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358 ( (self isPoint:aPoint containedIn:selection) |
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359 and:[selection specClass basicNew supportsSubComponents] |
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360 ) ifFalse:[ |
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361 self unselect |
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362 ] |
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363 ]. |
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364 |
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365 oldCursor := cursor. |
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366 self cursor:(Cursor leftHand). |
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367 |
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368 createInWidget := selection ? self. |
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369 createdObject := createClass new. |
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370 createInWidget addSubView:createdObject. |
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371 |
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372 createFrame := Rectangle origin:(startPoint - (createInWidget originRelativeTo:self)) |
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373 corner:startPoint. |
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374 |
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375 createdObject origin:(createFrame origin). |
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376 |
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377 undoHistory transactionNamed:'create' do:[ |
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378 self setupCreatedObject:createdObject. |
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379 ]. |
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380 createdObject realize. |
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381 self invertOutlineOf:createdObject. |
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382 ! ! |
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383 |
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384 !UIObjectView methodsFor:'object moving'! |
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385 |
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386 doObjectMove:aPoint |
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387 "move selection |
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388 " |
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389 movedObject notNil ifTrue:[ |
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390 movedObject keysAndValuesDo:[:nr :aView| |
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391 self invertOutlineOf:aView. |
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392 self moveObject:aView to:(aPoint - (moveDelta at:nr)). |
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393 self invertOutlineOf:aView. |
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394 ] |
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395 ] |
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396 |
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397 ! |
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398 |
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399 endObjectMove |
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400 "cleanup after object move" |
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401 |
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402 movedObject notNil ifTrue:[ |
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403 movedObject do:[:aView| |
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404 self invertOutlineOf:aView |
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405 ]. |
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406 |
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407 movedObject do:[:aView| |
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408 self showSelected:aView |
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409 ]. |
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410 movedObject size == 1 ifTrue:[ |
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411 selection := movedObject at:1 |
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412 ] ifFalse:[ |
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413 selection := movedObject |
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414 ]. |
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415 |
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416 movedObject := nil. |
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417 self setDefaultActions. |
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418 self changed:#layout. |
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419 ]. |
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420 ! |
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421 |
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422 startObjectMoveAt:aPoint |
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423 |
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424 self startObjectMove:selection at:aPoint. |
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425 |
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426 selection size == 0 ifTrue:[ |
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427 movedObject := Array with:selection |
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428 ] ifFalse:[ |
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429 movedObject := selection |
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430 ]. |
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431 super unselect. |
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432 |
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433 moveDelta := movedObject collect:[:aView| |
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434 aPoint - aView computeOrigin |
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435 ]. |
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436 |
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437 undoHistory transactionNamed:'move' do:[ |
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438 movedObject do:[:aView| |
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439 self invertOutlineOf:aView. |
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440 self undoBlockPositionChanged:aView |
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441 ] |
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442 ] |
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443 ! |
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444 |
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445 startSelectMoreOrMove:aPoint |
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446 "add/remove to/from selection" |
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447 |
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448 |anObject| |
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449 |
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450 testMode ifTrue:[^ self]. |
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451 |
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452 anObject := self findObjectAt:aPoint. |
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453 anObject notNil ifTrue:[ |
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454 (self isSelected:anObject) ifTrue:[ |
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455 self removeFromSelection:anObject |
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456 ] ifFalse:[ |
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457 self addToSelection:anObject |
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458 ] |
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459 ] |
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460 ! |
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461 |
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462 startSelectOrMove:aPoint |
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463 "a button is pressed at a point |
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464 " |
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465 |anObject b| |
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466 |
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467 testMode ifTrue:[^ self]. |
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468 |
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469 "if there is one selection and point hits handle, start a resize |
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470 " |
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471 self singleSelection notNil ifTrue:[ |
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472 b := self whichHandleOf:selection isHitBy:aPoint. |
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473 |
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474 (b notNil and:[b ~~ #view]) ifTrue:[ |
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475 ^ self startResizeBorder:b of:selection at:aPoint. |
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476 ] |
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477 ]. |
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478 |
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479 anObject := self findObjectAt:aPoint. |
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480 |
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481 "nothing is selected |
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482 " |
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483 anObject isNil ifTrue:[ |
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484 ^ self unselect |
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485 ]. |
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486 |
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487 (self isSelected:anObject) ifFalse:[ |
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488 super unselect. |
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489 self select:anObject. |
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490 ]. |
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491 |
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492 selection isCollection ifTrue:[ |
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493 releaseAction := [ |
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494 self setDefaultActions. |
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495 self select:anObject |
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496 ] |
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497 ] ifFalse:[ |
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498 releaseAction := [self setDefaultActions] |
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499 ]. |
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500 |
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501 "prepare move operation for an object |
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502 " |
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503 motionAction := [:movePoint| |
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504 (aPoint dist:movePoint) > 2.0 ifTrue:[ |
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505 self startObjectMoveAt:aPoint |
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506 ] |
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507 ]. |
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508 ! ! |
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509 |
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510 !UIObjectView methodsFor:'private handles'! |
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511 |
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512 handlesOf:aComponent do:aBlock |
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513 |delta layout vertical horizontal| |
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514 |
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515 layout := aComponent geometryLayout. |
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516 delta := (aComponent originRelativeTo:self) - aComponent origin. |
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517 |
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518 (layout isLayout not or:[layout isLayoutFrame]) ifTrue:[ |
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519 vertical := self isVerticalResizable:aComponent. |
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520 horizontal := self isHorizontalResizable:aComponent. |
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521 ] ifFalse:[ |
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522 vertical := false. |
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523 horizontal := false. |
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524 ]. |
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525 |
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526 horizontal ifTrue:[ |
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527 aBlock value:(aComponent leftCenter + delta) value:#left. |
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528 aBlock value:(aComponent rightCenter + delta) value:#right. |
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529 ]. |
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530 |
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531 vertical ifTrue:[ |
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532 aBlock value:(aComponent topCenter + delta) value:#top. |
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533 aBlock value:(aComponent bottomCenter + delta) value:#bottom. |
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534 ]. |
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535 |
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536 (horizontal and:[vertical]) ifTrue:[ |
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537 aBlock value:(aComponent origin + delta) value:#origin. |
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538 aBlock value:(aComponent corner + delta) value:#corner. |
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539 aBlock value:(aComponent topRight + delta) value:#topRight. |
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540 aBlock value:(aComponent bottomLeft + delta) value:#bottomLeft. |
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541 ] ifFalse:[ |
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542 aBlock value:(aComponent origin + delta) value:#view. |
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543 aBlock value:(aComponent corner + delta) value:#view. |
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544 aBlock value:(aComponent topRight + delta) value:#view. |
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545 aBlock value:(aComponent bottomLeft + delta) value:#view. |
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546 ]. |
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547 |
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548 |
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549 ! |
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550 |
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551 showSelected:aComponent |
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552 |wasClipped delta oldPaint| |
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553 |
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554 self paint:Color black. |
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555 |
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556 (wasClipped := clipChildren) ifTrue:[ |
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557 self clippedByChildren:(clipChildren := false). |
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558 ]. |
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559 |
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560 self handlesOf:aComponent do:[:pnt :what | |
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561 what == #view ifTrue:[self displayRectangle:(pnt - (4@4) extent:7@7)] |
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562 ifFalse:[self fillRectangle:(pnt - (4@4) extent:7@7)] |
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563 ]. |
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564 |
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565 wasClipped ifTrue:[ |
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566 self clippedByChildren:(clipChildren := true). |
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567 ]. |
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568 self paint:oldPaint. |
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569 ! |
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570 |
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571 showUnselected:aComponent |
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572 |wasClipped delta r oldPaint| |
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573 |
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574 r := aComponent origin extent:8@8. |
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575 |
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576 (wasClipped := clipChildren) ifTrue:[ |
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577 self clippedByChildren:(clipChildren := false). |
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578 ]. |
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579 |
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580 self handlesOf:aComponent do:[:pnt :what | |
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581 self clearRectangle:(pnt - (4@4) extent:7@7). |
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582 ]. |
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583 |
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584 wasClipped ifTrue:[ |
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585 self clippedByChildren:(clipChildren := true). |
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586 ]. |
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587 |
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588 "/ must redraw all components which are affected b the handles |
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589 |
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590 r := (aComponent originRelativeTo:self) - (4@4) |
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591 extent:(aComponent extent + (4@4)). |
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592 |
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593 subViews do:[:anotherComponent | |
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594 |absOrg absFrame| |
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595 |
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596 anotherComponent ~~ inputView ifTrue:[ |
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597 absOrg := anotherComponent originRelativeTo:self. |
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598 absFrame := absOrg extent:(anotherComponent extent). |
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599 (absFrame intersects:r) ifTrue:[ |
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600 anotherComponent withAllSubViewsDo:[:v | |
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601 v clear. |
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602 v exposeX:0 y:0 width:9999 height:9999. |
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603 ] |
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604 ] |
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605 ] |
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606 ] |
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607 |
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608 ! |
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609 |
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610 whichHandleOf:aView isHitBy:aPoint |
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611 |bounds| |
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612 |
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613 self handlesOf:aView do:[:pnt :what | |
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614 ((pnt - (4@4) extent:7@7) containsPoint:aPoint) ifTrue:[ |
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615 ^ what |
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616 ]. |
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617 ]. |
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618 |
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619 ^ #view |
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620 |
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621 "Modified: 5.9.1995 / 14:39:34 / claus" |
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622 |
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623 ! ! |
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624 |
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625 !UIObjectView methodsFor:'private resizing-subviews'! |
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626 |
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627 resize:aView bottom:aPoint |
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628 |
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629 undoHistory disabledTransitionDo:[ |
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630 self shifLayout:aView top:0 bottom:((aPoint y) - (aView computeCorner y)) |
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631 ] |
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632 ! |
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633 |
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634 resize:aView corner:aPoint |
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635 |delta| |
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636 |
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637 delta := aPoint - aView computeCorner. |
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638 |
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639 undoHistory disabledTransitionDo:[ |
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640 self shifLayout:aView top:0 bottom:(delta y) left:0 right:(delta x) |
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641 ] |
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642 ! |
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643 |
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644 resize:aView left:aPoint |
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645 |
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646 undoHistory disabledTransitionDo:[ |
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647 self shifLayout:aView left:((aPoint x) - (aView computeOrigin x)) right:0 |
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648 ] |
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649 |
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650 ! |
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651 |
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652 resize:aView right:aPoint |
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653 |
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654 undoHistory disabledTransitionDo:[ |
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655 self shifLayout:aView left:0 right:((aPoint x) - (aView computeCorner x)) |
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656 ] |
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657 ! |
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658 |
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659 resize:aView top:aPoint |
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660 |
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661 undoHistory disabledTransitionDo:[ |
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662 self shifLayout:aView top:((aPoint y) - (aView computeOrigin y)) bottom:0 |
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663 ] |
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664 ! ! |
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665 |
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666 !UIObjectView methodsFor:'private shift-layout'! |
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667 |
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668 shifLayout:aView left:l right:r |
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669 "shift layout for a view; in case of an open transaction, the |
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670 undoAction will be defined |
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671 " |
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672 self shifLayout:aView top:0 bottom:0 left:l right:r |
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673 |
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674 ! |
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675 |
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676 shifLayout:aView top:t bottom:b |
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677 "shift layout for a view; in case of an open transaction, the |
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678 undoAction will be defined |
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679 " |
|
680 self shifLayout:aView top:t bottom:b left:0 right:0 |
|
681 |
|
682 |
|
683 ! |
|
684 |
|
685 shifLayout:aView top:t bottom:b left:l right:r |
|
686 "shift layout for a view; in case of an open transaction, the |
|
687 undoAction will be defined |
|
688 " |
|
689 |layout| |
|
690 |
|
691 self undoBlockPositionChanged:aView. |
|
692 |
|
693 layout := aView geometryLayout. |
|
694 |
|
695 layout leftOffset:(layout leftOffset + l) |
|
696 topOffset:(layout topOffset + t). |
|
697 |
|
698 layout isLayoutFrame ifTrue:[ |
|
699 layout bottomOffset:(layout bottomOffset + b). |
|
700 layout rightOffset:(layout rightOffset + r). |
|
701 ]. |
|
702 |
|
703 aView geometryLayout:layout. |
|
704 |
|
705 |
|
706 |
|
707 ! ! |
|
708 |
|
709 !UIObjectView methodsFor:'private undo-actions'! |
|
710 |
|
711 undoBlockDimensionChanged:aView |
|
712 |
|
713 undoHistory isTransactionOpen ifTrue:[ |
|
714 |layout| |
|
715 |
|
716 layout := aView geometryLayout copy. |
|
717 |
|
718 undoHistory addUndoBlock:[ |
|
719 aView geometryLayout:layout. |
|
720 aView superView sizeChanged:nil. |
|
721 ] |
|
722 ] |
|
723 |
|
724 ! |
|
725 |
|
726 undoBlockPositionChanged:aView |
|
727 |
|
728 undoHistory isTransactionOpen ifTrue:[ |
|
729 |layout| |
|
730 |
|
731 layout := aView geometryLayout copy. |
|
732 undoHistory addUndoBlock:[aView geometryLayout:layout] |
|
733 ] |
|
734 |
|
735 ! ! |
|
736 |
|
737 !UIObjectView methodsFor:'searching'! |
|
738 |
|
739 findObjectAt:aPoint |
|
740 "find the origin/corner of the currentWidget |
|
741 " |
|
742 |view viewId lastId point| |
|
743 |
|
744 viewId := rootView id. |
|
745 point := aPoint + (device translatePoint:0@0 from:(self id) to:viewId). |
|
746 |
|
747 inputView lower. |
|
748 |
|
749 [viewId notNil] whileTrue:[ |
|
750 lastId := viewId. |
|
751 viewId := device viewIdFromPoint:point in:lastId |
|
752 ]. |
|
753 |
|
754 inputView raise. |
|
755 |
|
756 view := device viewFromId:lastId. |
|
757 |
|
758 view ~~ inputView ifTrue:[^ view] |
|
759 ifFalse:[^ nil] |
|
760 |
|
761 |
|
762 ! |
|
763 |
|
764 isPoint:aPoint containedIn:aView |
|
765 "checks whether a point is covered by a view. |
|
766 " |
|
767 |org ext| |
|
768 |
|
769 org := aView computeOrigin. |
|
770 ext := aView computeExtent. |
|
771 |
|
772 ^ ((org extent:ext) containsPoint:aPoint) |
|
773 ! |
|
774 |
|
775 whichBorderOf:aView isHitBy:aPoint |
|
776 |p r bw org| |
|
777 |
|
778 bw := aView borderWidth. |
|
779 p := aPoint - (aView superView originRelativeTo:self). |
|
780 |
|
781 r := Rectangle origin:(aView origin) |
|
782 extent:(aView width @ bw). |
|
783 (r containsPoint:p) ifTrue:[^ #top:]. |
|
784 |
|
785 r origin:(aView left @ (aView bottom + bw)) extent:(aView width @ bw). |
|
786 (r containsPoint:p) ifTrue:[^ #bottom:]. |
|
787 |
|
788 r top:(aView top). |
|
789 r extent:(bw @ aView height). |
|
790 (r containsPoint:p) ifTrue:[^ #left:]. |
|
791 |
|
792 r origin:((aView right + bw) @ aView top). |
|
793 (r containsPoint:p) ifTrue:[^ #right:]. |
|
794 |
|
795 ^ nil |
|
796 |
|
797 |
|
798 ! ! |
|
799 |
|
800 !UIObjectView methodsFor:'selections'! |
|
801 |
|
802 addToSelection:something |
|
803 (testMode or:[something == selection]) ifFalse:[ |
|
804 super addToSelection:something. |
|
805 self changed:#selection. |
|
806 ] |
|
807 ! |
|
808 |
|
809 inspectSelection |
|
810 self singleSelectionDo:[:aView | |
|
811 aView inspect |
|
812 ] |
|
813 ! |
|
814 |
|
815 removeFromSelection:something |
|
816 super removeFromSelection:something. |
|
817 self changed:#selection |
|
818 |
|
819 ! |
|
820 |
|
821 select:something |
|
822 (testMode or:[something == selection]) ifFalse:[ |
|
823 super select:something. |
|
824 self changed:#selection |
|
825 ] |
|
826 |
|
827 ! |
|
828 |
|
829 selection |
|
830 ^ selection |
|
831 |
|
832 |
|
833 ! |
|
834 |
|
835 selectionFindMinimum:aOneArgBlock |
|
836 "returns the minimum value from the block evaluated on each view |
|
837 in the selection |
|
838 " |
|
839 |min val| |
|
840 |
|
841 self selectionDo:[:aView| |
|
842 val := aOneArgBlock value:aView. |
|
843 |
|
844 min isNil ifTrue:[min := val] |
|
845 ifFalse:[min := min min:val] |
|
846 ]. |
|
847 ^ min |
|
848 ! |
|
849 |
|
850 selectionHiddenDo:aBlock |
|
851 "apply block to every object in selection" |
|
852 |
|
853 self selectionDo:[:aView | |
|
854 self showUnselected:aView. |
|
855 ]. |
|
856 device flush. |
|
857 aBlock value. |
|
858 self selectionDo:[:aView | |
|
859 self showSelected:aView |
|
860 ] |
|
861 |
|
862 |
|
863 ! |
|
864 |
|
865 singleSelection |
|
866 "returns single selection or nil |
|
867 " |
|
868 (selection isKindOf:SimpleView) ifTrue:[^ selection] |
|
869 ifFalse:[^ nil] |
|
870 ! |
|
871 |
|
872 singleSelectionDo:aBlock |
|
873 |
|
874 self singleSelection notNil ifTrue:[ |
|
875 aBlock value:selection |
|
876 ] |
|
877 ! |
|
878 |
|
879 unselect |
|
880 selection notNil ifTrue:[ |
|
881 super unselect. |
|
882 self changed:#selection |
|
883 ] |
|
884 |
|
885 ! |
|
886 |
|
887 withSelectionHiddenDo:aBlock |
|
888 "evaluate aBlock while selection is hidden" |
|
889 |
|
890 |sel| |
|
891 |
|
892 selection isNil ifTrue:[ |
|
893 aBlock value |
|
894 ] ifFalse:[ |
|
895 sel := selection. |
|
896 super unselect. |
|
897 aBlock value. |
|
898 super select:sel |
|
899 ] |
|
900 |
|
901 "Modified: 6.9.1995 / 01:46:16 / claus" |
|
902 |
|
903 |
|
904 ! ! |
|
905 |
|
906 !UIObjectView methodsFor:'testing'! |
|
907 |
|
908 canMove:something |
|
909 ^ true |
|
910 |
|
911 |
|
912 ! |
|
913 |
|
914 isHorizontalResizable:aComponent |
|
915 ^ self subclassResponsibility |
|
916 |
|
917 |
|
918 ! |
|
919 |
|
920 isVerticalResizable:aComponent |
|
921 ^ self subclassResponsibility |
|
922 |
|
923 |
|
924 ! ! |
|
925 |
|
926 !UIObjectView methodsFor:'user actions'! |
|
927 |
|
928 createWidgetWithClass:aClass |
|
929 "prepare to create new widgets |
|
930 " |
|
931 createClass := aClass. |
|
932 pressAction := [:pressPoint | self startCreate:pressPoint]. |
|
933 self cursor:Cursor origin. |
|
934 |
|
935 |
|
936 ! |
|
937 |
|
938 undoAction |
|
939 undoHistory notEmpty ifTrue:[ |
|
940 self unselect. |
|
941 undoHistory undoLast |
|
942 ] |
|
943 |
|
944 |
|
945 ! ! |
|
946 |
|
947 !UIObjectView methodsFor:'user actions - dimension'! |
|
948 |
|
949 copyExtent |
|
950 (selection isNil or:[selection isKindOf:Collection]) ifTrue:[ |
|
951 ^ self warn:'exactly one element must be selected'. |
|
952 ]. |
|
953 copiedExtent := selection computeExtent |
|
954 |
|
955 |
|
956 |
|
957 ! |
|
958 |
|
959 pasteExtent |
|
960 copiedExtent notNil ifTrue:[ |
|
961 self transition:'paste extent' dimensionDo:[:v| |
|
962 self resize:v corner:(v computeOrigin + copiedExtent) |
|
963 ] |
|
964 ] |
|
965 ! |
|
966 |
|
967 pasteHeight |
|
968 copiedExtent notNil ifTrue:[ |
|
969 self transition:'paste height' dimensionDo:[:v| |
|
970 self resize:v bottom:(v computeOrigin + copiedExtent) |
|
971 ] |
|
972 ] |
|
973 |
|
974 ! |
|
975 |
|
976 pasteWidth |
|
977 copiedExtent notNil ifTrue:[ |
|
978 self transition:'paste width' dimensionDo:[:v| |
|
979 self resize:v right:(v computeOrigin + copiedExtent) |
|
980 ] |
|
981 ] |
|
982 |
|
983 ! |
|
984 |
|
985 setDimension:aLayout |
|
986 |undoText| |
|
987 |
|
988 undoText := 'change layout'. |
|
989 aLayout isLayout ifTrue:[ |
|
990 undoText := 'change to layout frame'. |
|
991 aLayout isAlignmentOrigin ifTrue:[ |
|
992 undoText := 'change to layout alignOrigin'. |
|
993 ] ifFalse:[ |
|
994 aLayout isAlignmentOrigin ifTrue:[ |
|
995 undoText := 'change to layout origin'. |
|
996 ] |
|
997 ] |
|
998 ]. |
|
999 |
|
1000 self transition:undoText dimensionDo:[:v| v geometryLayout:(aLayout copy)] |
|
1001 |
|
1002 ! |
|
1003 |
|
1004 setToDefaultExtent |
|
1005 self transition:'default extent' dimensionDo:[:v| |
|
1006 self resize:v corner:(v computeOrigin + (v preferredExtent)) |
|
1007 ] |
|
1008 |
|
1009 ! |
|
1010 |
|
1011 setToDefaultHeight |
|
1012 self transition:'default height' dimensionDo:[:v| |
|
1013 self resize:v bottom:(v computeOrigin + (v preferredExtent)) |
|
1014 ] |
|
1015 |
|
1016 ! |
|
1017 |
|
1018 setToDefaultWidth |
|
1019 self transition:'default width' dimensionDo:[:v| |
|
1020 self resize:v right:(v computeOrigin + (v preferredExtent)) |
|
1021 ] |
|
1022 |
|
1023 ! |
|
1024 |
|
1025 transition:what dimensionDo:aOneArgBlock |
|
1026 "change dimension within a transaction for the selected elements by evaluating |
|
1027 the block with the argument a view. |
|
1028 " |
|
1029 self selectionHiddenDo:[ |
|
1030 undoHistory transactionNamed:what do:[ |
|
1031 self selectionDo:[:aView| |
|
1032 self undoBlockDimensionChanged:aView. |
|
1033 aOneArgBlock value:aView. |
|
1034 self elementChangedLayout:aView. |
|
1035 ] |
|
1036 ] |
|
1037 ] |
|
1038 ! ! |
|
1039 |
|
1040 !UIObjectView methodsFor:'user actions - move'! |
|
1041 |
|
1042 basicMoveSelectionHorizontal:n |
|
1043 "move left: n < 0 |
|
1044 move right: n > 0 |
|
1045 " |
|
1046 self selectionHiddenDo:[ |
|
1047 undoHistory transactionNamed:'move' do:[ |
|
1048 self selectionDo:[:aView|self shifLayout:aView left:n right:n] |
|
1049 ]. |
|
1050 self changed:#layout |
|
1051 ] |
|
1052 |
|
1053 |
|
1054 ! |
|
1055 |
|
1056 basicMoveSelectionVertical:n |
|
1057 "move up: n < 0 |
|
1058 move down: n > 0 |
|
1059 " |
|
1060 self selectionHiddenDo:[ |
|
1061 undoHistory transactionNamed:'move' do:[ |
|
1062 self selectionDo:[:aView| self shifLayout:aView top:n bottom:n ] |
|
1063 ]. |
|
1064 self changed:#layout |
|
1065 ] |
|
1066 |
|
1067 |
|
1068 |
|
1069 ! |
|
1070 |
|
1071 moveObject:anObject to:aPoint |
|
1072 "move anObject to newOrigin, aPoint |
|
1073 " |
|
1074 |dX dY org delta| |
|
1075 |
|
1076 anObject notNil ifTrue:[ |
|
1077 org := anObject computeOrigin. |
|
1078 |
|
1079 delta := aPoint - org. |
|
1080 delta := (self alignToGrid:aPoint) - org. |
|
1081 dX := delta x. |
|
1082 dY := delta y. |
|
1083 |
|
1084 undoHistory disabledTransitionDo:[ |
|
1085 self shifLayout:anObject top:dY bottom:dY left:dX right:dX |
|
1086 ]. |
|
1087 self elementChangedLayout:anObject. |
|
1088 ] |
|
1089 |
|
1090 ! |
|
1091 |
|
1092 moveSelectionDown |
|
1093 self moveSelectionDown:1 |
|
1094 |
|
1095 |
|
1096 ! |
|
1097 |
|
1098 moveSelectionDown10 |
|
1099 self moveSelectionDown:10 |
|
1100 |
|
1101 |
|
1102 ! |
|
1103 |
|
1104 moveSelectionDown:n |
|
1105 self basicMoveSelectionVertical:n |
|
1106 |
|
1107 |
|
1108 ! |
|
1109 |
|
1110 moveSelectionLeft |
|
1111 self moveSelectionLeft:1 |
|
1112 |
|
1113 |
|
1114 ! |
|
1115 |
|
1116 moveSelectionLeft10 |
|
1117 self moveSelectionLeft:10 |
|
1118 |
|
1119 |
|
1120 ! |
|
1121 |
|
1122 moveSelectionLeft:n |
|
1123 self basicMoveSelectionHorizontal:(n negated) |
|
1124 |
|
1125 |
|
1126 ! |
|
1127 |
|
1128 moveSelectionRight |
|
1129 self moveSelectionRight:1 |
|
1130 |
|
1131 |
|
1132 ! |
|
1133 |
|
1134 moveSelectionRight10 |
|
1135 self moveSelectionRight:10 |
|
1136 |
|
1137 |
|
1138 ! |
|
1139 |
|
1140 moveSelectionRight:n |
|
1141 self basicMoveSelectionHorizontal:n |
|
1142 |
|
1143 |
|
1144 ! |
|
1145 |
|
1146 moveSelectionUp |
|
1147 self moveSelectionUp:1 |
|
1148 |
|
1149 |
|
1150 ! |
|
1151 |
|
1152 moveSelectionUp10 |
|
1153 self moveSelectionUp:10 |
|
1154 |
|
1155 |
|
1156 ! |
|
1157 |
|
1158 moveSelectionUp:n |
|
1159 self basicMoveSelectionVertical:(n negated) |
|
1160 |
|
1161 |
|
1162 ! ! |
|
1163 |
|
1164 !UIObjectView methodsFor:'user actions - position'! |
|
1165 |
|
1166 alignSelectionBottom |
|
1167 |bmost delta| |
|
1168 |
|
1169 self selectionHiddenDo:[ |
|
1170 bmost := 0. |
|
1171 self selectionDo:[:v| bmost := bmost max:(v computeCorner y)]. |
|
1172 |
|
1173 undoHistory transactionNamed:'align' do:[ |
|
1174 self selectionDo:[:v| |
|
1175 (delta := bmost - (v computeCorner y)) ~~ 0 ifTrue:[ |
|
1176 self shifLayout:v top:delta bottom:delta |
|
1177 ] |
|
1178 ] |
|
1179 ]. |
|
1180 self changed:#layout |
|
1181 ] |
|
1182 |
|
1183 |
|
1184 |
|
1185 ! |
|
1186 |
|
1187 alignSelectionCenterHor |
|
1188 |counter centerX| |
|
1189 |
|
1190 self selectionHiddenDo:[ |
|
1191 counter := 0. |
|
1192 centerX := 0. |
|
1193 |
|
1194 self selectionDo:[:v | |
|
1195 centerX := centerX + (v computeCorner x + v computeOrigin x). |
|
1196 counter := counter + 1. |
|
1197 ]. |
|
1198 centerX := centerX // (counter * 2). |
|
1199 |
|
1200 undoHistory transactionNamed:'align' do:[ |
|
1201 |newX oldX delta| |
|
1202 |
|
1203 self selectionDo:[:v| |
|
1204 oldX := v computeOrigin x. |
|
1205 newX := centerX - ((v computeCorner x - oldX) // 2). |
|
1206 delta := newX - oldX. |
|
1207 |
|
1208 self shifLayout:v left:delta right:delta |
|
1209 ] |
|
1210 ]. |
|
1211 self changed:#layout |
|
1212 ] |
|
1213 |
|
1214 |
|
1215 |
|
1216 ! |
|
1217 |
|
1218 alignSelectionCenterVer |
|
1219 |counter centerY| |
|
1220 |
|
1221 self selectionHiddenDo:[ |
|
1222 counter := 0. |
|
1223 centerY := 0. |
|
1224 |
|
1225 self selectionDo:[:v | |
|
1226 centerY := centerY + (v computeCorner y + v computeOrigin y). |
|
1227 counter := counter + 1. |
|
1228 ]. |
|
1229 centerY := centerY // (counter * 2). |
|
1230 |
|
1231 undoHistory transactionNamed:'align' do:[ |
|
1232 |newY oldY delta| |
|
1233 |
|
1234 self selectionDo:[:v| |
|
1235 oldY := v computeOrigin y. |
|
1236 newY := centerY - ((v computeCorner y - oldY) // 2). |
|
1237 delta := newY - oldY. |
|
1238 |
|
1239 self shifLayout:v top:delta bottom:delta |
|
1240 ] |
|
1241 ]. |
|
1242 self changed:#layout |
|
1243 ] |
|
1244 ! |
|
1245 |
|
1246 alignSelectionLeft |
|
1247 |lmost delta| |
|
1248 |
|
1249 self selectionHiddenDo:[ |
|
1250 lmost := self selectionFindMinimum:[:v| v computeOrigin x]. |
|
1251 |
|
1252 undoHistory transactionNamed:'align' do:[ |
|
1253 self selectionDo:[:v| |
|
1254 (delta := lmost - (v computeOrigin x)) ~~ 0 ifTrue:[ |
|
1255 self shifLayout:v left:delta right:delta |
|
1256 ] |
|
1257 ] |
|
1258 ]. |
|
1259 self changed:#layout |
|
1260 ] |
|
1261 |
|
1262 ! |
|
1263 |
|
1264 alignSelectionLeftAndRight |
|
1265 |lmost rmost| |
|
1266 |
|
1267 self selectionHiddenDo:[ |
|
1268 lmost := self selectionFindMinimum:[:v| v computeOrigin x]. |
|
1269 rmost := 0. |
|
1270 self selectionDo:[:v | rmost := rmost max:(v computeCorner x)]. |
|
1271 |
|
1272 undoHistory transactionNamed:'align' do:[ |
|
1273 self selectionDo:[:v| |
|
1274 self shifLayout:v left:(lmost - (v computeOrigin x)) |
|
1275 right:(rmost - (v computeCorner x)) |
|
1276 ] |
|
1277 ]. |
|
1278 self changed:#layout |
|
1279 ] |
|
1280 ! |
|
1281 |
|
1282 alignSelectionRight |
|
1283 |rmost delta| |
|
1284 |
|
1285 self selectionHiddenDo:[ |
|
1286 rmost := 0. |
|
1287 self selectionDo:[:v| rmost := rmost max:(v computeCorner x)]. |
|
1288 |
|
1289 undoHistory transactionNamed:'align' do:[ |
|
1290 self selectionDo:[:v| |
|
1291 (delta := rmost - (v computeCorner x)) ~~ 0 ifTrue:[ |
|
1292 self shifLayout:v left:delta right:delta |
|
1293 ] |
|
1294 ] |
|
1295 ]. |
|
1296 self changed:#layout |
|
1297 ] |
|
1298 |
|
1299 ! |
|
1300 |
|
1301 alignSelectionTop |
|
1302 |tmost delta| |
|
1303 |
|
1304 self selectionHiddenDo:[ |
|
1305 tmost := self selectionFindMinimum:[:v| v computeOrigin y]. |
|
1306 |
|
1307 undoHistory transactionNamed:'align' do:[ |
|
1308 self selectionDo:[:v||delta| |
|
1309 (delta := tmost - (v computeOrigin y)) ~~ 0 ifTrue:[ |
|
1310 self shifLayout:v top:delta bottom:delta |
|
1311 ] |
|
1312 ] |
|
1313 ]. |
|
1314 self changed:#layout |
|
1315 ] |
|
1316 |
|
1317 ! |
|
1318 |
|
1319 alignSelectionTopAndBottom |
|
1320 |tmost bmost| |
|
1321 |
|
1322 self selectionHiddenDo:[ |
|
1323 tmost := self selectionFindMinimum:[:v| v computeOrigin y]. |
|
1324 bmost := 0. |
|
1325 self selectionDo:[:v| bmost := bmost max:(v computeCorner y)]. |
|
1326 |
|
1327 undoHistory transactionNamed:'align' do:[ |
|
1328 self selectionDo:[:v| |
|
1329 self shifLayout:v top:(tmost - (v computeOrigin y)) |
|
1330 bottom:(bmost - (v computeCorner y)) |
|
1331 ] |
|
1332 ]. |
|
1333 self changed:#layout |
|
1334 ] |
|
1335 ! |
|
1336 |
|
1337 centerSelection:aOneArgBlockXorY |
|
1338 "center selection horizontal or vertical dependant on the block result( x or y). |
|
1339 The argument to the block is the point. |
|
1340 " |
|
1341 |superview min max delta val| |
|
1342 |
|
1343 self selectionHiddenDo:[ |
|
1344 max := 0. |
|
1345 |
|
1346 self selectionDo:[:aView | |
|
1347 superview isNil ifTrue:[ |
|
1348 superview := aView superView |
|
1349 ] ifFalse:[ |
|
1350 (aView superView == superview) ifFalse:[ |
|
1351 ^ self notify:'views must have same superview'. |
|
1352 ] |
|
1353 ]. |
|
1354 val := aOneArgBlockXorY value:(aView computeOrigin). |
|
1355 |
|
1356 min isNil ifTrue:[min := val] |
|
1357 ifFalse:[min := min min:val]. |
|
1358 |
|
1359 val := aOneArgBlockXorY value:(aView computeCorner). |
|
1360 max := max max:val. |
|
1361 ]. |
|
1362 |
|
1363 val := aOneArgBlockXorY value:(superview computeExtent). |
|
1364 max := (min + val - max) // 2. |
|
1365 |
|
1366 max == min ifFalse:[ |
|
1367 delta := max - min. |
|
1368 |
|
1369 undoHistory transactionNamed:'center' do:[ |
|
1370 self selectionDo:[:aView| |
|
1371 self shifLayout:aView top:delta bottom:delta] |
|
1372 ] |
|
1373 ]. |
|
1374 self changed:#layout |
|
1375 ] |
|
1376 |
|
1377 |
|
1378 ! |
|
1379 |
|
1380 centerSelectionHor |
|
1381 "center selection horizontal |
|
1382 " |
|
1383 self centerSelection:[:aPoint| aPoint x] |
|
1384 |
|
1385 |
|
1386 ! |
|
1387 |
|
1388 centerSelectionVer |
|
1389 "center selection vertical |
|
1390 " |
|
1391 self centerSelection:[:aPoint| aPoint y] |
|
1392 ! |
|
1393 |
|
1394 spreadSelectionHor |
|
1395 |sumWidths min max viewsInOrder topsInOrder count space| |
|
1396 |
|
1397 (selection isKindOf:Collection) ifFalse:[^ self]. |
|
1398 |
|
1399 self selectionHiddenDo:[ |
|
1400 count := 0. |
|
1401 sumWidths := 0. |
|
1402 max := 0. |
|
1403 |
|
1404 self selectionDo:[:aView | |
|
1405 sumWidths := sumWidths + aView width. |
|
1406 |
|
1407 min isNil ifTrue:[min := aView left] |
|
1408 ifFalse:[min := min min:(aView left)]. |
|
1409 |
|
1410 max := max max:(aView right). |
|
1411 count := count + 1 |
|
1412 ]. |
|
1413 viewsInOrder := Array withAll:selection. |
|
1414 topsInOrder := viewsInOrder collect:[:aView | aView left]. |
|
1415 topsInOrder sortWith:viewsInOrder. |
|
1416 |
|
1417 space := (((max - min) - sumWidths) / (count - 1)) rounded asInteger. |
|
1418 |
|
1419 undoHistory transactionNamed:'spread' do:[ |
|
1420 viewsInOrder do:[:aView | |
|
1421 |delta| |
|
1422 |
|
1423 delta := min - aView computeOrigin x. |
|
1424 self shifLayout:aView left:delta right:delta. |
|
1425 min := min + aView computeExtent x + space |
|
1426 ] |
|
1427 ]. |
|
1428 self changed:#layout |
|
1429 ] |
|
1430 |
|
1431 ! |
|
1432 |
|
1433 spreadSelectionVer |
|
1434 |sumHeights min max viewsInOrder topsInOrder count space| |
|
1435 |
|
1436 (selection isKindOf:Collection) ifFalse:[^ self]. |
|
1437 |
|
1438 self selectionHiddenDo:[ |
|
1439 count := 0. |
|
1440 sumHeights := 0. |
|
1441 max := 0. |
|
1442 |
|
1443 self selectionDo:[:aView | |
|
1444 sumHeights := sumHeights + aView height. |
|
1445 |
|
1446 min isNil ifTrue:[min := aView top] |
|
1447 ifFalse:[min := min min:(aView top)]. |
|
1448 |
|
1449 max := max max:(aView bottom). |
|
1450 count := count + 1 |
|
1451 ]. |
|
1452 viewsInOrder := Array withAll:selection. |
|
1453 topsInOrder := viewsInOrder collect:[:aView|aView top]. |
|
1454 topsInOrder sortWith:viewsInOrder. |
|
1455 |
|
1456 space := (((max - min) - sumHeights) / (count - 1)) rounded asInteger. |
|
1457 |
|
1458 undoHistory transactionNamed:'spread' do:[ |
|
1459 viewsInOrder do:[:aView||delta| |
|
1460 delta := min - aView computeOrigin y. |
|
1461 self shifLayout:aView top:delta bottom:delta. |
|
1462 min := min + aView height + space |
|
1463 ] |
|
1464 ]. |
|
1465 self changed:#layout |
|
1466 ] |
|
1467 ! ! |
|
1468 |
|
1469 !UIObjectView methodsFor:'user actions - resize'! |
|
1470 |
|
1471 doDragResize:aPoint |
|
1472 "do a widget resize drag" |
|
1473 |
|
1474 |p| |
|
1475 |
|
1476 self invertOutlineOf:resizedObject. |
|
1477 p := (self alignToGrid:aPoint) - (resizedObject container originRelativeTo:self). |
|
1478 self perform:('x' , resizeSelector , ':') asSymbol with:p. |
|
1479 resizedObject geometryLayout:(resizedObject geometryLayout). |
|
1480 self invertOutlineOf:resizedObject |
|
1481 |
|
1482 "Modified: 5.9.1995 / 17:11:46 / claus" |
|
1483 |
|
1484 ! |
|
1485 |
|
1486 endResize |
|
1487 "cleanup after object resize" |
|
1488 |
|
1489 self invertOutlineOf:resizedObject. |
|
1490 self setDefaultActions. |
|
1491 self select:resizedObject. |
|
1492 resizedObject := nil |
|
1493 |
|
1494 "Modified: 5.9.1995 / 17:11:17 / claus" |
|
1495 |
|
1496 ! |
|
1497 |
|
1498 startResizeBorder:b of:selection at:aPoint |
|
1499 "resize selected view |
|
1500 " |
|
1501 resizedObject := self singleSelection. |
|
1502 |
|
1503 resizedObject notNil ifTrue:[ |
|
1504 resizeSelector := b. |
|
1505 super unselect. |
|
1506 |
|
1507 undoHistory transactionNamed:'extent' do:[ |
|
1508 self undoBlockDimensionChanged:resizedObject. |
|
1509 ]. |
|
1510 |
|
1511 motionAction := [:movePoint | self doDragResize:movePoint]. |
|
1512 releaseAction := [self endResize]. |
|
1513 self invertOutlineOf:resizedObject |
|
1514 ] |
|
1515 ! |
|
1516 |
|
1517 xbottom:aPoint |
|
1518 self resize:resizedObject bottom:aPoint |
|
1519 |
|
1520 ! |
|
1521 |
|
1522 xbottomLeft:aPoint |
|
1523 self resize:resizedObject left:aPoint. |
|
1524 self resize:resizedObject bottom:aPoint. |
|
1525 |
|
1526 ! |
|
1527 |
|
1528 xcorner:aPoint |
|
1529 self resize:resizedObject corner:aPoint. |
|
1530 |
|
1531 ! |
|
1532 |
|
1533 xleft:aPoint |
|
1534 self resize:resizedObject left:aPoint |
|
1535 |
|
1536 ! |
|
1537 |
|
1538 xorigin:aPoint |
|
1539 self resize:resizedObject left:aPoint. |
|
1540 self resize:resizedObject top:aPoint. |
|
1541 |
|
1542 ! |
|
1543 |
|
1544 xright:aPoint |
|
1545 self resize:resizedObject right:aPoint |
|
1546 |
|
1547 ! |
|
1548 |
|
1549 xtop:aPoint |
|
1550 self resize:resizedObject top:aPoint |
|
1551 |
|
1552 ! |
|
1553 |
|
1554 xtopRight:aPoint |
|
1555 self resize:resizedObject right:aPoint. |
|
1556 self resize:resizedObject top:aPoint. |
13 |
1557 |
14 ! ! |
1558 ! ! |
15 |
1559 |
16 !UIObjectView::UndoHistory class methodsFor:'constants'! |
1560 !UIObjectView::UndoHistory class methodsFor:'constants'! |
17 |
1561 |
18 maxHistorySize |
1562 maxHistorySize |
19 "returns maximum size of history before removing oldest |
1563 "returns maximum size of history before removing oldest |
20 record |
1564 record |
21 " |
1565 " |
22 ^ 50 |
1566 ^ 50 |
|
1567 |
|
1568 |
|
1569 ! ! |
|
1570 |
|
1571 !UIObjectView::UndoHistory class methodsFor:'documentation'! |
|
1572 |
|
1573 version |
|
1574 ^ '$Header$' |
|
1575 ! ! |
|
1576 |
|
1577 !UIObjectView::UndoHistory class methodsFor:'instance creation'! |
|
1578 |
|
1579 new |
|
1580 ^ self basicNew initialize |
23 |
1581 |
24 |
1582 |
25 ! ! |
1583 ! ! |
26 |
1584 |
27 !UIObjectView::UndoHistory methodsFor:'accessing'! |
1585 !UIObjectView::UndoHistory methodsFor:'accessing'! |