1 | # ---------------------------------------------------------------------- |
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2 | # COMPONENT: SidebarFrame - pop-out controls for visualization widgets |
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3 | # |
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4 | # The sidebar provides a way to put a thin strip of controls along the |
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5 | # side of a visualization widget, with tabs that cause control panels |
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6 | # to pop out. The SidebarFrame has an empty frame (component "frame") |
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7 | # on the left and a sidebar that pops out on the right. |
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8 | # ====================================================================== |
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9 | # AUTHOR: George Howlett, Michael McLennan, Purdue University |
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10 | # Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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11 | # |
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12 | # See the file "license.terms" for information on usage and |
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13 | # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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14 | # ====================================================================== |
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15 | package require Itk |
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16 | |
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17 | option add *SidebarFrame.width 3i widgetDefault |
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18 | option add *SidebarFrame.height 3i widgetDefault |
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19 | option add *SidebarFrame.titlebarBackground #6666cc widgetDefault |
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20 | option add *SidebarFrame.titlebarForeground white widgetDefault |
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21 | option add *SidebarFrame.controlBackground gray widgetDefault |
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22 | option add *SidebarFrame*cntls*highlightBackground gray widgetDefault |
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23 | option add *SidebarFrame.sashRelief flat widgetDefault |
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24 | option add *SidebarFrame.sashActiveRelief solid widgetDefault |
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25 | option add *SidebarFrame.sashColor gray widgetDefault |
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26 | option add *SidebarFrame.sashWidth 2 widgetDefault |
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27 | option add *SidebarFrame.sashPadding 2 widgetDefault |
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28 | option add *SidebarFrame.sashCursor sb_h_double_arrow |
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29 | |
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30 | itk::usual BltScrollset { |
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31 | #empty |
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32 | } |
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33 | itk::usual BltTkFrame { |
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34 | #empty |
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35 | } |
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36 | |
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37 | itcl::class Rappture::SidebarFrame { |
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38 | inherit itk::Widget |
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39 | |
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40 | itk_option define -sashrelief sashRelief Relief "" |
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41 | itk_option define -sashactiverelief sashActiveRelief SashActiveRelief "" |
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42 | itk_option define -sashcolor sashColor SashColor "" |
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43 | itk_option define -sashwidth sashWidth SashWidth 0 |
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44 | itk_option define -sashpadding sashPadding SashPadding 0 |
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45 | itk_option define -sashcursor sashCursor Cursor "" |
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46 | |
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47 | public variable resizeframe 1 |
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48 | constructor {args} { # defined below } |
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49 | |
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50 | public method insert {pos args} |
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51 | public method panel {which} |
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52 | public method select {which} |
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53 | public method pop {what} |
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54 | public method width { size } { |
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55 | set _width $size |
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56 | } |
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57 | public method enable { which } |
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58 | public method disable { which } |
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59 | |
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60 | protected method _toggleTab { which } |
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61 | protected method _sash {op x} |
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62 | protected method _fixLayout {args} |
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63 | |
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64 | private method TabIndex {which} |
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65 | |
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66 | private variable _dispatcher "" ;# dispatcher for !events |
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67 | private variable _state "closed" ;# sidebar open/closed |
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68 | private variable _panels ;# maps panel => title, etc. |
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69 | private variable _selected "" ;# selected panel |
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70 | private variable _width "auto" ;# width adjusted by sash or "auto" |
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71 | private variable _counter 0 ;# counter for auto-generated names |
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72 | } |
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73 | |
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74 | itk::usual SidebarFrame { |
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75 | keep -background -cursor |
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76 | keep -titlebarbackground -titlebarforeground |
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77 | } |
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78 | |
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79 | # ---------------------------------------------------------------------- |
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80 | # CONSTRUCTOR |
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81 | # ---------------------------------------------------------------------- |
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82 | itcl::body Rappture::SidebarFrame::constructor {args} { |
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83 | itk_option add hull.width hull.height |
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84 | |
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85 | # create a dispatcher for events |
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86 | Rappture::dispatcher _dispatcher |
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87 | $_dispatcher register !layout |
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88 | $_dispatcher dispatch $this !layout [itcl::code $this _fixLayout] |
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89 | |
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90 | # fix the layout whenever the window size changes |
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91 | bind SidebarFrame <Configure> [itcl::code %W _fixLayout] |
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92 | |
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93 | # |
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94 | # Empty frame for main widget |
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95 | # |
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96 | itk_component add frame { |
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97 | frame $itk_interior.f |
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98 | } |
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99 | |
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100 | # |
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101 | # Sash along the left side of sidebar |
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102 | # |
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103 | itk_component add sashbg { |
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104 | frame $itk_interior.sashbg |
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105 | } { |
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106 | usual |
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107 | rename -cursor -sashcursor sashCursor Cursor |
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108 | } |
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109 | |
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110 | itk_component add sash { |
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111 | frame $itk_component(sashbg).sash -borderwidth 1 |
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112 | } { |
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113 | usual |
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114 | ignore -background -borderwidth |
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115 | rename -relief -sashrelief sashRelief Relief |
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116 | rename -width -sashwidth sashWidth SashWidth |
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117 | rename -cursor -sashcursor sashCursor Cursor |
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118 | } |
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119 | pack $itk_component(sash) -side left -fill y |
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120 | |
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121 | foreach c {sash sashbg} { |
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122 | bind $itk_component($c) <Enter> \ |
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123 | [itcl::code $this _sash enter %X] |
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124 | bind $itk_component($c) <Leave> \ |
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125 | [itcl::code $this _sash leave %X] |
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126 | bind $itk_component($c) <ButtonPress-1> \ |
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127 | [itcl::code $this _sash grab %X] |
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128 | bind $itk_component($c) <B1-Motion> \ |
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129 | [itcl::code $this _sash drag %X] |
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130 | bind $itk_component($c) <ButtonRelease-1> \ |
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131 | [itcl::code $this _sash release %X] |
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132 | } |
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133 | |
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134 | itk_component add sidebar { |
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135 | frame $itk_interior.sbar |
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136 | } |
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137 | |
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138 | # |
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139 | # Title bar along top of sidebar |
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140 | # |
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141 | itk_component add titlebar { |
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142 | frame $itk_component(sidebar).tbar -highlightthickness 0 |
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143 | } { |
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144 | usual |
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145 | ignore -highlightthickness |
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146 | rename -background -titlebarbackground titlebarBackground Background |
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147 | } |
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148 | pack $itk_component(titlebar) -side top -fill x |
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149 | |
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150 | itk_component add popbutton { |
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151 | button $itk_component(titlebar).popb \ |
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152 | -borderwidth 1 -relief flat -overrelief raised \ |
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153 | -highlightthickness 0 \ |
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154 | -image [Rappture::icon sbar-open] \ |
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155 | -command [itcl::code $this pop toggle] |
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156 | } { |
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157 | usual |
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158 | ignore -borderwidth -relief -overrelief -highlightthickness |
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159 | rename -background -titlebarbackground titlebarBackground Background |
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160 | rename -activebackground -titlebarbackground titlebarBackground Background |
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161 | } |
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162 | pack $itk_component(popbutton) -side left -padx 6 -pady 2 |
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163 | Rappture::Tooltip::for $itk_component(popbutton) \ |
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164 | "Open/close the sidebar" |
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165 | |
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166 | itk_component add title { |
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167 | label $itk_component(titlebar).title -anchor w -font "Arial 10" |
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168 | } { |
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169 | usual |
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170 | ignore -font |
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171 | rename -foreground -titlebarforeground titlebarForeground Foreground |
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172 | rename -background -titlebarbackground titlebarBackground Background |
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173 | } |
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174 | pack $itk_component(title) -side left -expand yes -fill both -padx 1 -pady 1 |
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175 | |
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176 | # |
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177 | # Area for active panel |
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178 | # |
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179 | itk_component add area { |
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180 | blt::tk::frame $itk_component(sidebar).area |
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181 | } |
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182 | itk_component add controlbar { |
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183 | frame $itk_component(sidebar).cbar |
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184 | } { |
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185 | usual |
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186 | rename -background -controlbackground controlBackground Background |
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187 | } |
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188 | pack $itk_component(controlbar) -side left -fill y |
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189 | |
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190 | # |
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191 | # Control area above the tabs |
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192 | # |
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193 | itk_component add controls { |
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194 | frame $itk_component(controlbar).cntls -height 20 |
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195 | } { |
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196 | usual |
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197 | rename -background -controlbackground controlBackground Background |
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198 | } |
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199 | pack $itk_component(controls) -side top -pady {8 20} |
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200 | |
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201 | # |
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202 | # Tabs used to select sidebar panels. |
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203 | # |
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204 | # Note: Bugs in BLT 2.4 tabset/VNC server crashes the server |
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205 | # when -outerpad is set to 0. |
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206 | # |
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207 | itk_component add tabs { |
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208 | blt::tabset $itk_component(controlbar).tabs \ |
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209 | -highlightthickness 0 -tearoff 0 -side left \ |
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210 | -bd 1 -gap 1 -outerborderwidth 0 \ |
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211 | -outerpad 0 -justify center |
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212 | } { |
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213 | keep -background -cursor |
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214 | ignore -highlightthickness -borderwidth |
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215 | rename -highlightbackground -controlbackground controlBackground \ |
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216 | Background |
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217 | rename -troughcolor -controlbackground controlBackground \ |
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218 | Background |
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219 | } |
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220 | pack $itk_component(tabs) -side top -expand yes -anchor e -padx {4 0} \ |
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221 | -fill y |
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222 | |
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223 | eval itk_initialize $args |
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224 | |
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225 | # make sure we fix up the layout at some point |
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226 | $_dispatcher event -idle !layout |
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227 | } |
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228 | |
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229 | # ---------------------------------------------------------------------- |
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230 | # USAGE: insert <pos> ?-title t? ?-icon i? |
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231 | # |
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232 | # Adds a new panel into this widget at the given position <pos>. The |
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233 | # panel has a tab with the specified -icon, and is labeled by the |
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234 | # -title string in the titlebar area when it is selected. |
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235 | # ---------------------------------------------------------------------- |
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236 | itcl::body Rappture::SidebarFrame::insert {pos args} { |
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237 | Rappture::getopts args panel " |
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238 | value -title Options |
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239 | value -icon [Rappture::icon cboff] |
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240 | " |
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241 | if {[llength $args] > 0} { |
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242 | error "wrong # args: should be \"insert pos ?-title t? ?-icon i?\"" |
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243 | } |
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244 | |
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245 | set f $itk_component(area) |
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246 | set pname "panel[incr _counter]" |
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247 | itk_component add $pname { |
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248 | frame $f.$pname |
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249 | } |
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250 | |
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251 | $itk_component(tabs) insert end $pname \ |
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252 | -image $panel(-icon) -text "" -padx 0 -pady 0 \ |
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253 | -command [itcl::code $this _toggleTab] |
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254 | |
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255 | Rappture::Tooltip::text $itk_component(tabs)-$pname \ |
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256 | "Open/close sidebar for $panel(-title)" |
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257 | $itk_component(tabs) bind $pname <Enter> \ |
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258 | [list ::Rappture::Tooltip::tooltip pending %W-$pname @%X,%Y] |
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259 | $itk_component(tabs) bind $pname <Leave> \ |
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260 | [list ::Rappture::Tooltip::tooltip cancel] |
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261 | $itk_component(tabs) bind $pname <ButtonPress> \ |
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262 | [list ::Rappture::Tooltip::tooltip cancel] |
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263 | $itk_component(tabs) bind $pname <KeyPress> \ |
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264 | [list ::Rappture::Tooltip::tooltip cancel] |
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265 | |
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266 | set _panels($pname-title) $panel(-title) |
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267 | lappend _panels(all) $pname |
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268 | if {$_selected == ""} { |
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269 | set _selected $pname |
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270 | if {$_state == "open"} { |
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271 | $itk_component(title) configure -text $panel(-title) |
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272 | } |
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273 | } |
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274 | |
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275 | return $itk_component($pname) |
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276 | } |
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277 | |
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278 | # ---------------------------------------------------------------------- |
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279 | # USAGE: panel <which> |
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280 | # |
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281 | # Returns the frame representing the requested panel. The <which> |
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282 | # argument can be a panel index, name, or title, or the keyword |
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283 | # "current" for the selected panel. |
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284 | # ---------------------------------------------------------------------- |
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285 | itcl::body Rappture::SidebarFrame::panel {which} { |
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286 | switch -glob -- $which { |
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287 | current { |
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288 | return $itk_component($_selected) |
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289 | } |
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290 | [0-9]* { |
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291 | set pname [lindex $_panels(all) $which] |
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292 | return $itk_component($pname) |
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293 | } |
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294 | panel[0-9]* { |
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295 | if {[info exists itk_component($which)]} { |
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296 | return $itk_component($which) |
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297 | } |
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298 | error "bad panel name \"$which\"" |
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299 | } |
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300 | default { |
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301 | foreach pname $_panels(all) { |
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302 | if {[string equal $_panels($pname-title) $which]} { |
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303 | return $itk_component($pname) |
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304 | } |
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305 | } |
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306 | error "bad panel title \"$which\"" |
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307 | } |
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308 | } |
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309 | } |
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310 | |
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311 | # ---------------------------------------------------------------------- |
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312 | # USAGE: select <which> |
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313 | # |
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314 | # Pops open the sidebar and selects the specified panel. The <which> |
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315 | # argument can be a panel index, name, or title. |
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316 | # ---------------------------------------------------------------------- |
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317 | itcl::body Rappture::SidebarFrame::select {which} { |
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318 | set pname "" |
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319 | switch -glob -- $which { |
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320 | [0-9]* { |
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321 | set pname [lindex $_panels(all) $which] |
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322 | } |
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323 | panel[0-9]* { |
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324 | if {[info exists itk_component($which)]} { |
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325 | set pname $which |
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326 | } |
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327 | } |
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328 | default { |
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329 | foreach p $_panels(all) { |
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330 | if {[string equal $_panels($p-title) $which]} { |
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331 | set pname $p |
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332 | break |
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333 | } |
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334 | } |
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335 | } |
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336 | } |
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337 | if {$pname == ""} { |
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338 | error "bad panel name \"$which\": should be panel id, title, or index" |
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339 | } |
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340 | |
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341 | if {$_state == "closed"} { |
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342 | pop open |
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343 | } |
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344 | |
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345 | set minw [winfo reqwidth $itk_component(controlbar)] |
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346 | if {$_width != "auto" && $_width < $minw+50} { |
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347 | set _width [expr {$minw+50}] |
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348 | $_dispatcher event -idle !layout |
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349 | } |
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350 | $itk_component(tabs) select $which |
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351 | |
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352 | $itk_component(title) configure -text $_panels($pname-title) |
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353 | |
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354 | set f $itk_component(area) |
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355 | foreach w [pack slaves $f] { |
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356 | pack forget $w |
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357 | } |
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358 | pack $itk_component($pname) -expand yes -fill both |
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359 | |
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360 | # |
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361 | # HACK ALERT! Force the scroller to check the size of the |
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362 | # panel that we just slid in under the covers. Make it |
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363 | # think the panel and the scroller itself have changed size. |
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364 | # |
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365 | event generate [winfo parent $f] <Configure> |
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366 | event generate $f <Configure> |
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367 | |
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368 | set _selected $pname |
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369 | return $pname |
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370 | } |
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371 | |
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372 | # ---------------------------------------------------------------------- |
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373 | # USAGE: pop open|close|toggle |
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374 | # |
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375 | # Used to open/close the sidebar area. When open, the selected panel |
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376 | # appears and the titlebar shows its name. |
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377 | # ---------------------------------------------------------------------- |
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378 | itcl::body Rappture::SidebarFrame::pop {how} { |
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379 | if {$how == "toggle"} { |
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380 | if {$_state == "closed"} { |
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381 | set how "open" |
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382 | } else { |
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383 | set how "close" |
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384 | } |
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385 | } |
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386 | |
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387 | switch -- $how { |
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388 | open { |
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389 | $itk_component(popbutton) configure \ |
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390 | -image [Rappture::icon sbar-closed] |
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391 | pack $itk_component(area) -side right -expand yes -fill both |
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392 | |
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393 | set _state "open" |
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394 | select $_selected |
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395 | $_dispatcher event -idle !layout |
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396 | } |
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397 | close { |
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398 | $itk_component(popbutton) configure \ |
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399 | -image [Rappture::icon sbar-open] |
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400 | $itk_component(title) configure -text "" |
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401 | pack forget $itk_component(area) |
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402 | |
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403 | set _state "closed" |
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404 | $_dispatcher event -idle !layout |
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405 | } |
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406 | default { |
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407 | error "bad option \"$how\": should be open, close, toggle" |
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408 | } |
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409 | } |
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410 | } |
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411 | |
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412 | # ---------------------------------------------------------------------- |
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413 | # USAGE: disable <which> |
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414 | # |
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415 | # Pops open the sidebar and selects the specified panel. The <which> |
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416 | # argument can be a panel index, name, or title. |
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417 | # ---------------------------------------------------------------------- |
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418 | itcl::body Rappture::SidebarFrame::disable {which} { |
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419 | set index [TabIndex $which] |
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420 | set tab [$itk_component(tabs) get $index] |
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421 | $itk_component(tabs) tab configure $tab -state disabled |
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422 | } |
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423 | |
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424 | |
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425 | # ---------------------------------------------------------------------- |
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426 | # USAGE: enable <which> |
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427 | # |
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428 | # Pops open the sidebar and selects the specified panel. The <which> |
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429 | # argument can be a panel index, name, or title. |
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430 | # ---------------------------------------------------------------------- |
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431 | itcl::body Rappture::SidebarFrame::enable {which} { |
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432 | set index [TabIndex $which] |
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433 | set tab [$itk_component(tabs) get $index] |
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434 | $itk_component(tabs) tab configure $tab -state normal |
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435 | } |
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436 | |
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437 | # ---------------------------------------------------------------------- |
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438 | # USAGE: TabIndex <which> |
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439 | # |
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440 | # Pops open the sidebar and selects the specified panel. The <which> |
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441 | # argument can be a panel index, name, or title. |
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442 | # ---------------------------------------------------------------------- |
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443 | itcl::body Rappture::SidebarFrame::TabIndex {which} { |
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444 | set pname "" |
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445 | switch -glob -- $which { |
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446 | [0-9]* { |
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447 | set pname [lindex $_panels(all) $which] |
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448 | } |
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449 | panel[0-9]* { |
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450 | if {[info exists itk_component($which)]} { |
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451 | set pname $which |
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452 | } |
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453 | } |
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454 | default { |
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455 | foreach p $_panels(all) { |
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456 | if {[string equal $_panels($p-title) $which]} { |
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457 | set pname $p |
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458 | break |
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459 | } |
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460 | } |
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461 | } |
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462 | } |
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463 | if {$pname == ""} { |
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464 | error "bad panel name \"$which\": should be panel id, title, or index" |
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465 | } |
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466 | set n [$itk_component(tabs) index -name $pname] |
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467 | return $n |
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468 | } |
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469 | |
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470 | # ---------------------------------------------------------------------- |
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471 | # USAGE: _toggleTab <which> |
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472 | # |
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473 | # Invoked automatically when the user clicks on a tab for the sidebar. |
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474 | # If the sidebar is closed, it is automatically opened and the tab is |
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475 | # selected. If the sidebar is opened, then it's closed. |
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476 | # ---------------------------------------------------------------------- |
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477 | itcl::body Rappture::SidebarFrame::_toggleTab {which} { |
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478 | if {$_state == "closed"} { |
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479 | pop open |
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480 | select $which |
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481 | } elseif {[$itk_component(tabs) index $_selected] == $which} { |
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482 | pop close |
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483 | } else { |
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484 | select $which |
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485 | } |
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486 | } |
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487 | |
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488 | # ---------------------------------------------------------------------- |
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489 | # USAGE: _sash <op> <X> |
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490 | # |
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491 | # Invoked automatically when the user clicks/drags on a sash, to resize |
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492 | # the sidebar. |
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493 | # ---------------------------------------------------------------------- |
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494 | itcl::body Rappture::SidebarFrame::_sash {op X} { |
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495 | switch -- $op { |
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496 | enter { |
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497 | # mouse over sash -- make it active |
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498 | if {$itk_option(-sashactiverelief) != ""} { |
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499 | $itk_component(sash) configure -relief $itk_option(-sashactiverelief) |
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500 | } |
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501 | } |
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502 | leave { |
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503 | # mouse left sash -- back to normal |
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504 | $itk_component(sash) configure -relief $itk_option(-sashrelief) |
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505 | } |
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506 | grab { |
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507 | if {$_state == "closed"} { pop open } |
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508 | _sash drag $X |
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509 | } |
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510 | drag { |
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511 | set w [winfo width $itk_component(hull)] |
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512 | set minw [winfo reqwidth $itk_component(controlbar)] |
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513 | set dx [expr {$X - [winfo rootx $itk_component(hull)]}] |
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514 | set sashw [winfo reqwidth $itk_component(sashbg)] |
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515 | set _width [expr {$w - $dx - $sashw/2}] |
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516 | |
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517 | if {$_width < $minw} { set _width $minw } |
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518 | if {$_width > $w-50} { set _width [expr {$w-50}] } |
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519 | _fixLayout |
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520 | } |
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521 | release { |
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522 | set minw [winfo reqwidth $itk_component(controlbar)] |
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523 | if {$_width-$minw < 40} { |
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524 | set _width "auto" |
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525 | pop close |
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526 | } |
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527 | } |
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528 | default { |
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529 | error "bad option \"$op\": should be enter, leave, grab, drag, release" |
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530 | } |
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531 | } |
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532 | } |
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533 | |
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534 | # ---------------------------------------------------------------------- |
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535 | # USAGE: _fixLayout ?<eventArgs>...? |
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536 | # |
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537 | # Used internally to update the layout of panes whenever a new pane |
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538 | # is added or a sash is moved. |
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539 | # ---------------------------------------------------------------------- |
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540 | itcl::body Rappture::SidebarFrame::_fixLayout {args} { |
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541 | set w [winfo width $itk_component(hull)] |
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542 | set h [winfo height $itk_component(hull)] |
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543 | |
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544 | set sashw [winfo reqwidth $itk_component(sashbg)] |
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545 | |
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546 | set tabw [winfo reqwidth $itk_component(tabs)] |
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547 | set btnw [winfo reqwidth $itk_component(controls)] |
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548 | set ctrlw [expr {($tabw > $btnw) ? $tabw : $btnw}] |
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549 | |
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550 | if {$_state == "closed"} { |
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551 | set sbarw $ctrlw |
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552 | } else { |
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553 | if {$_width == "auto"} { |
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554 | # pop open to the size of the widest pane |
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555 | set sbarw 0 |
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556 | foreach pname $_panels(all) { |
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557 | set pw [winfo reqwidth $itk_component($pname)] |
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558 | if {$pw > $sbarw} { |
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559 | set sbarw $pw |
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560 | } |
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561 | } |
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562 | set sbarw [expr {$sbarw + $ctrlw + $sashw}] |
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563 | } else { |
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564 | set sbarw $_width |
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565 | } |
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566 | } |
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567 | |
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568 | # don't let the sidebar take up too much of the window area |
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569 | if {$sbarw > 0.75*$w} { |
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570 | set sbarw [expr {int(0.75*$w)}] |
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571 | } |
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572 | |
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573 | set x1 [expr {$w - $sbarw - $sashw}] |
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574 | set x2 [expr {$w - $sbarw}] |
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575 | if { $resizeframe } { |
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576 | set framew $x1 |
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577 | } else { |
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578 | set framew [expr $w - $ctrlw - $sashw] |
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579 | } |
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580 | place $itk_component(frame) -x 0 -y 0 -anchor nw -width $framew -height $h |
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581 | place $itk_component(sashbg) -x $x1 -y 0 -anchor nw -width $sashw -height $h |
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582 | place $itk_component(sidebar) -x $x2 -y 0 -anchor nw \ |
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583 | -width $sbarw -height $h |
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584 | } |
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585 | |
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586 | # ---------------------------------------------------------------------- |
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587 | # CONFIGURATION OPTION: -sashpadding |
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588 | # ---------------------------------------------------------------------- |
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589 | itcl::configbody Rappture::SidebarFrame::sashpadding { |
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590 | pack $itk_component(sash) -padx $itk_option(-sashpadding) |
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591 | } |
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592 | |
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593 | # ---------------------------------------------------------------------- |
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594 | # CONFIGURATION OPTION: -sashcolor |
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595 | # ---------------------------------------------------------------------- |
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596 | itcl::configbody Rappture::SidebarFrame::sashcolor { |
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597 | if {$itk_option(-sashcolor) != ""} { |
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598 | $itk_component(sash) configure -background $itk_option(-sashcolor) |
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599 | } else { |
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600 | $itk_component(sash) configure -background $itk_option(-background) |
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601 | } |
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602 | } |
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