Wed, 01 Sep 2010 04:03:42 +0100
Add note about required patch
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1 | -------------------------- |
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2 | -- WebKit WebView class -- |
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3 | -------------------------- |
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4 | |
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5 | -- Webview class table |
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6 | webview = {} |
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7 | |
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8 | -- Table of functions which are called on new webview widgets. |
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9 | webview.init_funcs = { |
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10 | -- Set global properties |
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11 | set_global_props = function (view, w) |
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12 | -- Set proxy options |
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13 | local proxy = globals.http_proxy or os.getenv("http_proxy") |
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14 | if proxy then view:set_prop('proxy-uri', proxy) end |
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15 | view:set_prop('user-agent', globals.useragent) |
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16 | |
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17 | -- Set ssl options |
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18 | if globals.ssl_strict ~= nil then |
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19 | view:set_prop('ssl-strict', globals.ssl_strict) |
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20 | end |
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21 | if globals.ca_file and os.exists(globals.ca_file) then |
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22 | view:set_prop('ssl-ca-file', globals.ca_file) |
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23 | -- Warning: update the following variable if 'ssl-ca-file' is |
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24 | -- changed anywhere else. |
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25 | w.checking_ssl = true |
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26 | end |
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27 | end, |
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28 | |
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29 | -- Update window and tab titles |
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30 | title_update = function (view, w) |
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31 | view:add_signal("property::title", function (v) |
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32 | w:update_tab_labels() |
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33 | if w:is_current(v) then |
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34 | w:update_win_title() |
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35 | end |
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36 | end) |
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37 | end, |
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38 | |
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39 | -- Update uri label in statusbar |
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40 | uri_update = function (view, w) |
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41 | view:add_signal("property::uri", function (v) |
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42 | w:update_tab_labels() |
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43 | if w:is_current(v) then |
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44 | w:update_uri(v) |
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45 | end |
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46 | end) |
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47 | end, |
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48 | |
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49 | -- Update scroll widget |
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50 | scroll_update = function (view, w) |
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51 | view:add_signal("expose", function (v) |
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52 | if w:is_current(v) then |
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53 | w:update_scroll(v) |
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54 | end |
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55 | end) |
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56 | end, |
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57 | |
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58 | -- Update progress widget |
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59 | progress_update = function (view, w) |
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60 | for _, sig in ipairs({"load-status", "property::progress"}) do |
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61 | view:add_signal(sig, function (v) |
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62 | if w:is_current(v) then |
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63 | w:update_progress(v) |
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64 | w:update_ssl(v) |
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65 | end |
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66 | end) |
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67 | end |
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68 | end, |
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69 | |
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70 | -- Display hovered link in statusbar |
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71 | link_hover_display = function (view, w) |
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72 | view:add_signal("link-hover", function (v, link) |
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73 | if w:is_current(v) and link then |
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74 | w.sbar.l.uri.text = "Link: " .. lousy.util.escape(link) |
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75 | end |
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76 | end) |
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77 | view:add_signal("link-unhover", function (v) |
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78 | if w:is_current(v) then |
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79 | w:update_uri(v) |
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80 | end |
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81 | end) |
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82 | end, |
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83 | |
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84 | -- Clicking a form field automatically enters insert mode |
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85 | form_insert_mode = function (view, w) |
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86 | view:add_signal("form-active", function () |
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87 | (w.search_state or {}).marker = nil |
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88 | w:set_mode("normal") |
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89 | end) |
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90 | view:add_signal("root-active", function () |
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91 | (w.search_state or {}).marker = nil |
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92 | w:set_mode() |
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93 | end) |
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94 | end, |
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95 | |
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96 | -- Stop key events hitting the webview if the user isn't in insert mode |
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97 | mode_key_filter = function (view, w) |
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98 | view:add_signal("key-press", function () |
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99 | if not w:is_mode("normal") then return true end |
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100 | end) |
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101 | end, |
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102 | |
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103 | -- Try to match a button event to a users button binding else let the |
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104 | -- press hit the webview. |
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105 | button_bind_match = function (view, w) |
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106 | -- Match button press |
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107 | view:add_signal("button-release", function (v, mods, button) |
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108 | (w.search_state or {}).marker = nil |
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109 | if w:hit(mods, button) then return true end |
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110 | end) |
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111 | end, |
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112 | |
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113 | -- Reset the mode on navigation |
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114 | mode_reset_on_nav = function (view, w) |
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115 | view:add_signal("load-status", function (v, status) |
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116 | if w:is_current(v) and status == "provisional" then w:set_mode() end |
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117 | end) |
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118 | end, |
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119 | |
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120 | -- Domain properties |
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121 | domain_properties = function (view, w) |
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122 | view:add_signal("load-status", function (v, status) |
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123 | if status ~= "provisional" then return end |
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124 | local domain = (v.uri and string.match(v.uri, "^%a+://([^/]*)/?")) or "about:blank" |
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125 | if string.match(domain, "^www.") then domain = string.sub(domain, 5) end |
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126 | local props = lousy.util.table.join(domain_props.all or {}, domain_props[domain] or {}) |
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127 | for k, v in pairs(props) do |
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128 | info("Domain prop: %s = %s (%s)", k, tostring(v), domain) |
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129 | view:set_prop(k, v) |
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130 | end |
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131 | end) |
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132 | end, |
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133 | |
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134 | -- Action to take on mime type decision request. |
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135 | mime_decision = function (view, w) |
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136 | -- Return true to accept or false to reject from this signal. |
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137 | view:add_signal("mime-type-decision", function (v, link, mime) |
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138 | info("Requested link: %s (%s)", link, mime) |
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139 | -- i.e. block binary files like *.exe |
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140 | --if mime == "application/octet-stream" then |
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141 | -- return false |
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142 | --end |
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143 | end) |
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144 | end, |
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145 | |
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146 | -- Action to take on window open request. |
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147 | window_decision = function (view, w) |
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148 | -- 'link' contains the download link |
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149 | -- 'reason' contains the reason of the request (i.e. "link-clicked") |
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150 | -- return TRUE to handle the request by yourself or FALSE to proceed |
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151 | -- with default behaviour |
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152 | view:add_signal("new-window-decision", function (v, link, reason) |
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153 | info("New window decision: %s (%s)", link, reason) |
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154 | if reason == "link-clicked" then |
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155 | window.new({ link }) |
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156 | return true |
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157 | end |
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158 | w:new_tab(link) |
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159 | end) |
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160 | end, |
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161 | |
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162 | create_webview = function (view, w) |
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163 | -- Return a newly created webview in a new tab |
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164 | view:add_signal("create-web-view", function (v) |
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165 | return w:new_tab() |
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166 | end) |
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167 | end, |
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168 | |
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169 | -- Action to take on download request. |
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170 | download_request = function (view, w) |
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171 | -- 'link' contains the download link |
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172 | -- 'filename' contains the suggested filename (from server or webkit) |
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173 | view:add_signal("download-request", function (v, link, filename) |
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174 | if not filename then return end |
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175 | -- Make download dir |
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176 | os.execute(string.format("mkdir -p %q", globals.download_dir)) |
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177 | local dl = globals.download_dir .. "/" .. filename |
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178 | local wget = string.format("wget -q %q -O %q", link, dl) |
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179 | info("Launching: %s", wget) |
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180 | luakit.spawn(wget) |
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181 | end) |
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182 | end, |
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183 | |
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184 | -- Creates context menu popup from table (and nested tables). |
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185 | -- Use `true` for menu separators. |
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186 | populate_popup = function (view, w) |
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187 | view:add_signal("populate-popup", function (v) |
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188 | return { |
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189 | true, |
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190 | { "_Toggle Source", function () w:toggle_source() end }, |
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191 | { "_Zoom", { |
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192 | { "Zoom _In", function () w:zoom_in(globals.zoom_step) end }, |
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193 | { "Zoom _Out", function () w:zoom_out(globals.zoom_step) end }, |
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194 | true, |
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195 | { "Zoom _Reset", function () w:zoom_reset() end }, }, }, |
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196 | } |
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197 | end) |
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198 | end, |
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199 | |
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200 | -- Action to take on resource request. |
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201 | resource_request_decision = function (view, w) |
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202 | view:add_signal("resource-request-starting", function(v, uri) |
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203 | if luakit.verbose then print("Requesting: "..uri) end |
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204 | -- Return false to cancel the request. |
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205 | end) |
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206 | end, |
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207 | } |
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208 | |
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209 | -- These methods are present when you index a window instance and no window |
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210 | -- method is found in `window.methods`. The window then checks if there is an |
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211 | -- active webview and calls the following methods with the given view instance |
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212 | -- as the first argument. All methods must take `view` & `w` as the first two |
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213 | -- arguments. |
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214 | webview.methods = { |
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215 | reload = function (view, w) |
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216 | view:reload() |
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217 | end, |
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218 | |
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219 | -- Property functions |
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220 | get = function (view, w, k) |
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221 | return view:get_prop(k) |
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222 | end, |
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223 | |
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224 | set = function (view, w, k, v) |
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225 | view:set_prop(k, v) |
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226 | end, |
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227 | |
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228 | -- evaluate javascript code and return string result |
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229 | eval_js = function (view, w, script, file) |
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230 | return view:eval_js(script, file or "(inline)") |
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231 | end, |
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232 | |
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233 | -- evaluate javascript code from file and return string result |
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234 | eval_js_from_file = function (view, w, file) |
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235 | local fh, err = io.open(file) |
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236 | if not fh then return error(err) end |
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237 | local script = fh:read("*a") |
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238 | fh:close() |
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239 | return view:eval_js(script, file) |
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240 | end, |
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241 | |
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242 | -- close the current tab |
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243 | close_tab = function (view, w) |
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244 | w.tabs:remove(view) |
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245 | view.uri = "about:blank" |
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246 | view:destroy() |
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247 | w:update_tab_count() |
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248 | w:update_tab_labels() |
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249 | end, |
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250 | |
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251 | -- Toggle source view |
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252 | toggle_source = function (view, w, show) |
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253 | if show == nil then show = not view:get_view_source() end |
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254 | view:set_view_source(show) |
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255 | end, |
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256 | |
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257 | -- Zoom functions |
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258 | zoom_in = function (view, w, step) |
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259 | view:set_prop("zoom-level", view:get_prop("zoom-level") + step) |
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260 | end, |
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261 | |
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262 | zoom_out = function (view, w, step) |
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263 | local value = view:get_prop("zoom-level") - step |
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264 | view:set_prop("zoom-level", ((value > 0.01) and value) or 0.01) |
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265 | end, |
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266 | |
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267 | zoom_reset = function (view, w) |
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268 | view:set_prop("zoom-level", 1.0) |
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269 | end, |
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270 | |
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271 | -- Searching functions |
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272 | start_search = function (view, w, text) |
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273 | if string.match(text, "^[\?\/]") then |
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274 | w:set_mode("search") |
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275 | local i = w.ibar.input |
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276 | i.text = text |
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277 | i:focus() |
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278 | i:set_position(-1) |
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279 | else |
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280 | return error("invalid search term, must start with '?' or '/'") |
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281 | end |
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282 | end, |
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283 | |
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284 | search = function (view, w, text, forward) |
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285 | if forward == nil then forward = true end |
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286 | |
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287 | -- Get search state (or new state) |
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288 | if not w.search_state then w.search_state = {} end |
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289 | local s = w.search_state |
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290 | |
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291 | -- Get search term |
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292 | text = text or s.last_search |
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293 | if not text or #text == 0 then |
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294 | return w:clear_search() |
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295 | end |
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296 | s.last_search = text |
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297 | |
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298 | if s.forward == nil then |
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299 | -- Haven't searched before, save some state. |
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300 | s.forward = forward |
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301 | s.marker = view:get_scroll_vert() |
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302 | else |
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303 | -- Invert direction if originally searching in reverse |
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304 | forward = (s.forward == forward) |
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305 | end |
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306 | |
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307 | view:search(text, false, forward, true); |
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308 | end, |
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309 | |
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310 | clear_search = function (view, w) |
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311 | view:clear_search() |
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312 | w.search_state = {} |
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313 | end, |
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314 | |
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315 | -- Webview scroll functions |
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316 | scroll_vert = function (view, w, value) |
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317 | local cur, max = view:get_scroll_vert() |
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318 | if type(value) == "string" then |
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319 | value = lousy.util.parse_scroll(cur, max, value) |
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320 | end |
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321 | view:set_scroll_vert(value) |
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322 | end, |
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323 | |
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324 | scroll_horiz = function (view, w, value) |
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325 | local cur, max = view:get_scroll_horiz() |
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326 | if type(value) == "string" then |
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327 | value = lousy.util.parse_scroll(cur, max, value) |
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328 | end |
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329 | view:set_scroll_horiz(value) |
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330 | end, |
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331 | |
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332 | -- vertical scroll of a multiple of the view_size |
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333 | scroll_page = function (view, w, value) |
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334 | local cur, max, size = view:get_scroll_vert() |
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335 | view:set_scroll_vert(cur + (size * value)) |
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336 | end, |
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337 | |
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338 | -- History traversing functions |
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339 | back = function (view, w, n) |
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340 | view:go_back(n or 1) |
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341 | end, |
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342 | |
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343 | forward = function (view, w, n) |
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344 | view:go_forward(n or 1) |
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345 | end, |
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346 | } |
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347 | |
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348 | function webview.new(w, uri) |
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349 | local view = widget{type = "webview"} |
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350 | |
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351 | -- Call webview init functions |
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352 | for k, func in pairs(webview.init_funcs) do |
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353 | func(view, w) |
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354 | end |
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355 | |
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356 | if uri then view.uri = uri end |
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357 | view.show_scrollbars = false |
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358 | return view |
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359 | end |
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360 | |
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361 | -- Insert webview method lookup on window structure |
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362 | table.insert(window.indexes, 1, function (w, k) |
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363 | -- Get current webview |
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364 | local view = w.tabs:atindex(w.tabs:current()) |
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365 | if not view then return end |
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366 | -- Lookup webview method |
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Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
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367 | local func = webview.methods[k] |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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368 | if not func then return end |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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369 | -- Return webview method wrapper function |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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370 | return function (_, ...) return func(view, w, ...) end |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
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371 | end) |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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372 | |
98e4b0c9fcac
Initial commit of default luakit config from 2010.08.30
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
373 | -- vim: et:sw=4:ts=8:sts=4:tw=80 |