You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tdebindings/korundum/rubylib/examples/RubberDoc.rb

1266 lines
37 KiB

#!/usr/bin/env ruby
require 'Korundum'
about = KDE::AboutData.new("one", "two", "three")
KDE::CmdLineArgs.init(ARGV, about)
app = KDE::Application.new()
# Qt.debug_level = Qt::DebugLevel::High
# Qt.debug_level = Qt::DebugLevel::Extensive
# TODO
# improve appearence of sidebar massively
# cut off after certain number of results?
# seperate title from proof of hit?
# when pressing return adjust the current node
# major speed ups for ctrl-n/p
# ...
DEBUG = false
DEBUG_IDX = false
DEBUG_FAST = true
DEBUG_SEARCH = true
DEBUG_GOTO = false # crashes?
def time_me str
t1 = Time.now
yield
t2 = Time.now
log "#{str}: #{"%.02f" % (t2 - t1).to_f}s"
end
module DOMUtils
def DOMUtils.each_child node
indent = 0
until node.isNull
yield node
if not node.firstChild.isNull
node = node.firstChild
indent += 1
elsif not node.nextSibling.isNull
node = node.nextSibling
else
while indent > 0 and !node.isNull and node.nextSibling.isNull
node = node.parentNode
indent -= 1
end
if not node.isNull
node = node.nextSibling
end
end
break if indent == 0
end
end
def DOMUtils.find_node doc, path_a
n = doc
path_a.reverse.each {
|index|
top = n.childNodes.length
n = n.childNodes.item (top - index)
}
n
end
def DOMUtils.each_parent node
n = node
until n.isNull
yield n
n = n.parentNode
end
end
def DOMUtils.list_parent_node_types node
types_a = []
each_parent(node) {
|n| types_a << { :nodeType => n.nodeType, :elementId => n.elementId }
}
types_a
end
def DOMUtils.get_node_path node
n = node
path_a = []
until n.isNull
top = n.parentNode.childNodes.length
idx = n.index
path_a << (top-idx) if (n.elementId != 0)
n = n.parentNode
end
path_a
end
end
class String
def trigrams
list = []
0.upto(self.length-3) {
|pos|
list << self.slice(pos, 3)
}
list
end
end
class GenericTriGramIndex
attr_accessor :trigrams
def initialize
clear
end
def clear
@trigrams = {}
end
def insert_with_key string, key
string.downcase.trigrams.each {
|trigram|
@trigrams[trigram] = [] unless @trigrams.has_key? trigram
@trigrams[trigram] << key
}
end
# returns a list of matching keys
def search search_string
warn "searching for a nil???" if search_string.nil?
return [] if search_string.nil?
return [] if search_string.length < 3
trigs = search_string.downcase.trigrams
key_subset = @trigrams[trigs.delete_at(0)]
return [] if key_subset.nil?
trigs.each {
|trigram|
trigram_subset = @trigrams[trigram]
return [] if trigram_subset.nil?
key_subset &= trigram_subset
}
key_subset
end
end
module LoggedDebug
def init_logger parent
@logger = Qt::TextEdit.new parent
@logger.setTextFormat Qt::LogText
end
def log s
@logger.append s
puts "LOG: #{s}"
scrolldown_logger
end
def scrolldown_logger
@logger.scrollToBottom
end
end
module MyGui
def init_gui
buttons = Qt::HBox.new self
@panes = Qt::Splitter.new self
@panes.setOrientation Qt::Splitter::Horizontal
setStretchFactor @panes, 10
@results_pane = Qt::VBox.new @panes
@rightpane = Qt::Splitter.new @panes
@rightpane.setOrientation Qt::Splitter::Vertical
@viewed = KDE::HTMLPart.new @rightpane
init_logger @rightpane
@listbox = Qt::ListBox.new @results_pane
@label = Qt::Label.new self
Qt::Object.connect @listbox, SIGNAL("clicked(QListBoxItem*)"),
self, SLOT("clicked_result(QListBoxItem*)")
Qt::Object.connect @viewed, SIGNAL("completed()"),
self, SLOT("khtml_part_init_complete()")
Qt::Object::connect @viewed, SIGNAL("setWindowCaption(const QString&)"),
@viewed.widget.topLevelWidget,
SLOT("setCaption(const QString&)")
Qt::Object::connect @viewed.browserExtension,
SIGNAL("openURLRequest(const KURL&, const KParts::URLArgs&)"),
self, SLOT("open_url(const KURL&)")
KDE::Action.new "&Quit", "quit", KDE::Shortcut.new(),
self, SLOT("quit()"), @main.actionCollection, "file_quit"
KDE::Action.new "&Index-All", KDE::Shortcut.new(),
self, SLOT("index_all()"), @main.actionCollection, "index_all"
@back = \
KDE::Action.new "&Back", "back", KDE::Shortcut.new(Qt::ALT + Qt::Key_Left),
self, SLOT("go_back()"), @main.actionCollection, "back"
@forward = \
KDE::Action.new "&Forward", "forward", KDE::Shortcut.new(Qt::ALT + Qt::Key_Right),
self, SLOT("go_forward()"), @main.actionCollection, "forward"
KDE::Action.new "&Home", "gohome", KDE::Shortcut.new(Qt::Key_Home),
self, SLOT("go_home()"), @main.actionCollection, "home"
KDE::Action.new "&Prev Match", "previous",KDE::Shortcut.new(Qt::CTRL + Qt::Key_P),
self, SLOT("goto_prev_match()"), @main.actionCollection, "prev_match"
KDE::Action.new "&Next Match", "next", KDE::Shortcut.new(Qt::CTRL + Qt::Key_N),
self, SLOT("goto_next_match()"), @main.actionCollection, "next_match"
KDE::Action.new "&Follow Match","down", KDE::Shortcut.new(Qt::Key_Return),
self, SLOT("goto_current_match_link()"), @main.actionCollection, "open_match"
KDE::Action.new "Search", "find", KDE::Shortcut.new(Qt::Key_F6),
self, SLOT("focus_search()"), @main.actionCollection, "focus_search"
KDE::Action.new "New Search", "find", KDE::Shortcut.new(Qt::CTRL + Qt::Key_Slash),
self, SLOT("focus_and_clear_search()"), @main.actionCollection, "focus_and_clear_search"
KDE::Action.new "&Create", "new", KDE::Shortcut.new(),
self, SLOT("project_create()"), @main.actionCollection, "project_create"
KDE::Action.new "&Choose...", "select", KDE::Shortcut.new(),
self, SLOT("project_goto()"), @main.actionCollection, "project_goto"
clearLocation = KDE::Action.new "Clear Location Bar", "locationbar_erase", KDE::Shortcut.new(),
self, SLOT("clear_location()"), @main.actionCollection, "clear_location"
clearLocation.setWhatsThis "Clear Location bar<p>Clears the content of the location bar."
@searchlabel = Qt::Label.new @main
@searchlabel.setText "Search: "
@searchcombo = KDE::HistoryCombo.new @main
focus_search
Qt::Object.connect @searchcombo, SIGNAL("returnPressed()"),
self, SLOT("goto_search()")
Qt::Object.connect @searchcombo, SIGNAL("textChanged(const QString&)"),
self, SLOT("search(const QString&)")
KDE::WidgetAction.new @searchlabel, "Search: ", KDE::Shortcut.new(Qt::Key_F6), nil, nil, @main.actionCollection, "location_label"
@searchlabel.setBuddy @searchcombo
ca = KDE::WidgetAction.new @searchcombo, "Search", KDE::Shortcut.new, nil, nil, @main.actionCollection, "toolbar_url_combo"
ca.setAutoSized true
Qt::WhatsThis::add @searchcombo, "Search<p>Enter a search term."
end
def focus_search
@searchcombo.setFocus
end
def focus_and_clear_search
clear_location
focus_search
end
def clear_location
@searchcombo.clearEdit
end
def uri_anchor_split url
url =~ /(.*?)(#(.*))?$/
return $1, $3
end
def open_url kurl
url, anchor = uri_anchor_split kurl.url
goto_url url, false unless id == @shown_doc_id
@viewed.gotoAnchor anchor unless anchor.nil?
end
def gui_init_proportions
# todo - save these settings
desktop = Qt::Application::desktop
sx = (desktop.width * (2.0/3.0)).to_i
sy = (desktop.height * (2.0/3.0)).to_i
@main.resize sx, sy
logsize = 0
resultssize = (sx / 5.0).to_i
@rightpane.setSizes [sy-logsize, logsize]
@panes.setSizes [resultssize, sx-resultssize]
@rightpane.setResizeMode @logger, Qt::Splitter::KeepSize
@panes.setResizeMode @results_pane, Qt::Splitter::KeepSize
@panes.setResizeMode @rightpane, Qt::Splitter::KeepSize
end
end
module IndexStorage
INDEX_VERSION = 3
IndexStore = Struct.new :index, :nodeindex, :textcache, :id2title, :id2uri, :id2depth, :version
def index_fname
basedir = ENV["HOME"] + "/.rubberdocs"
prefix = basedir + "/." + @pref.gsub(/\//,",") + ".idx"
Dir.mkdir basedir unless File.exists? basedir
"#{prefix}.doc"
end
def depth_debug
puts "depth_debug : begin"
@id2depth.each_key {
|id|
puts "indexed to depth #{@id2depth[id]} : #{@id2uri[id]}"
}
puts "end :"
end
def load_indexes
return false unless File.exists? index_fname
Qt::Application::setOverrideCursor(Qt::Cursor.new Qt::WaitCursor)
File.open(index_fname, "r") {
|file|
w = Marshal.load file rescue nil
return false if w.nil? || w.version < INDEX_VERSION
@index = w.index
@nodeindex = w.nodeindex
@textcache = w.textcache
@id2title = w.id2title
@id2uri = w.id2uri
@id2depth = w.id2depth
@indexed_more = false
true
}
Qt::Application::restoreOverrideCursor
end
def save_indexes
return unless @indexed_more
File.open(index_fname, "w") {
|file|
w = IndexStore.new
w.index = @index
w.nodeindex = @nodeindex
w.textcache = @textcache
w.id2title = @id2title
w.id2uri = @id2uri
w.id2depth = @id2depth
w.version = INDEX_VERSION
Marshal.dump w, file
}
end
end
module HTMLIndexer
DocNodeRef = Struct.new :doc_idx, :node_path
module IndexDepths
# TitleIndexed implies "LinkTitlesIndexed"
Allocated, TitleIndexed, LinksFollowed, Partial, Node = 0, 1, 2, 3, 4
end
def index_documents
# fix this to use kde's actual dir
@t1 = Time.now
@url = first_url
already_indexed = load_indexes
@top_doc_id = already_indexed ? @id2uri.keys.max + 1 : 0
return if already_indexed
t1 = Time.now
@viewed.hide
@done = []
@todo_links = []
progress = KDE::ProgressDialog.new(self, "blah", "Indexing files...", "Abort Indexing", true)
total_num_files = Dir.glob("#{@pref}/**/*.html").length
progress.progressBar.setTotalSteps total_num_files
@todo_links = [ DOM::DOMString.new first_url.url ]
until @todo_links.empty?
@todo_next = []
while more_to_do
progress.progressBar.setProgress @id2title.keys.length
end
@todo_links = @todo_next
fail "errr, you really didn't want to do that dave" if progress.wasCancelled
end
progress.progressBar.setProgress total_num_files
save_indexes
t2 = Time.now
log "all documents indexed in #{(t2 - t1).to_i}s"
end
def should_follow? lhref
case lhref
when /source/, /members/
ret = false
when /^file:#{@pref}/
ret = true
else
ret = false
end
ret
end
def gather_for_current_page
index_current_title
return [] if @id2depth[@shown_doc_id] >= IndexDepths::LinksFollowed
todo_links = []
title_map = {}
anchors = @viewed.htmlDocument.links
f = anchors.firstItem
count = anchors.length
until (count -= 1) < 0
text = ""
DOMUtils.each_child(f) {
|node|
text << node.nodeValue.string if node.nodeType == DOM::Node::TEXT_NODE
}
link = Qt::Internal::cast_object_to f, DOM::HTMLLinkElement
if should_follow? link.href.string
title_map[link.href.string] = text
urlonly, = uri_anchor_split link.href.string
add_link_to_index urlonly, text
todo_links << link.href unless DEBUG_FAST
end
f = anchors.nextItem
end
@id2depth[@shown_doc_id] = IndexDepths::LinksFollowed
return todo_links
end
def find_allocated_uri uri
id = @id2uri.invert[uri]
return id
end
# sets @shown_doc_id
def index_current_title
id = find_allocated_uri(@viewed.htmlDocument.URL.string)
return if !id.nil? and @id2depth[id] >= IndexDepths::TitleIndexed
log "making space for url #{@viewed.htmlDocument.URL.string.sub(@pref,"")}"
id = alloc_index_space @viewed.htmlDocument.URL.string if id.nil?
@indexed_more = true
@id2title[id] = @viewed.htmlDocument.title.string
@id2depth[id] = IndexDepths::TitleIndexed
@shown_doc_id = id
end
def alloc_index_space uri
@indexed_more = true
id = @top_doc_id
@id2uri[@top_doc_id] = uri
@id2title[@top_doc_id] = nil
@id2depth[@top_doc_id] = IndexDepths::Allocated
@top_doc_id += 1
id
end
def add_link_to_index uri, title
return unless find_allocated_uri(uri).nil?
@indexed_more = true
new_id = alloc_index_space uri
@id2title[new_id] = title
@index.insert_with_key title, new_id
end
def index_current_document
return if @id2depth[@shown_doc_id] >= IndexDepths::Partial
Qt::Application::setOverrideCursor(Qt::Cursor.new Qt::WaitCursor)
@indexed_more = true
@label.setText "Scanning : #{@url.prettyURL}"
log "indexing url #{@viewed.htmlDocument.URL.string.sub(@pref,"")}"
DOMUtils.each_child(@viewed.document) {
|node|
next unless node.nodeType == DOM::Node::TEXT_NODE
@index.insert_with_key node.nodeValue.string, @shown_doc_id
}
@id2depth[@shown_doc_id] = IndexDepths::Partial
@label.setText "Ready"
Qt::Application::restoreOverrideCursor
end
def preload_text
return if @id2depth[@shown_doc_id] >= IndexDepths::Node
Qt::Application::setOverrideCursor(Qt::Cursor.new Qt::WaitCursor)
@indexed_more = true
index_current_document
log "deep indexing url #{@viewed.htmlDocument.URL.string.sub(@pref,"")}"
@label.setText "Indexing : #{@url.prettyURL}"
doc_text = ""
t1 = Time.now
DOMUtils.each_child(@viewed.document) {
|node|
next unless node.nodeType == DOM::Node::TEXT_NODE
ref = DocNodeRef.new @shown_doc_id, DOMUtils.get_node_path(node)
@nodeindex.insert_with_key node.nodeValue.string, ref
@textcache[ref] = node.nodeValue.string
doc_text << node.nodeValue.string
}
@id2depth[@shown_doc_id] = IndexDepths::Node
@label.setText "Ready"
Qt::Application::restoreOverrideCursor
end
end
# TODO - this sucks, use khtml to get the values
module IDS
A = 1
META = 62
STYLE = 85
TITLE = 95
end
module TermHighlighter
include IDS
FORBIDDEN_TAGS = [IDS::TITLE, IDS::META, IDS::STYLE]
def update_highlight
return if @search_text.nil? || @search_text.empty?
return if @in_update_highlight
@in_update_highlight = true
preload_text
highlighted_nodes = []
@nodeindex.search(@search_text).each {
|ref|
next unless ref.doc_idx == @shown_doc_id
highlighted_nodes << ref.node_path
}
highlight_node_list highlighted_nodes
@in_update_highlight = false
end
def mark_screwup
@screwups = 0 if @screwups.nil?
warn "if you see this, then alex screwed up!.... #{@screwups} times!"
@screwups += 1
end
def highlight_node_list highlighted_nodes
doc = @viewed.document
no_undo_buffer = @to_undo.nil?
current_doc_already_highlighted = (@shown_doc_id == @last_highlighted_doc_id)
undo_highlight @to_undo unless no_undo_buffer or !current_doc_already_highlighted
@last_highlighted_doc_id = @shown_doc_id
@to_undo = []
return if highlighted_nodes.empty?
Qt::Application::setOverrideCursor(Qt::Cursor.new Qt::WaitCursor)
cursor_override = true
@current_matching_node_index = 0 if @current_matching_node_index.nil?
@current_matching_node_index = @current_matching_node_index.modulo highlighted_nodes.length
caretnode = DOMUtils.find_node doc, highlighted_nodes[@current_matching_node_index]
@viewed.setCaretVisible false
@viewed.setCaretPosition caretnode, 0
caret_path = DOMUtils.get_node_path(caretnode)
count = 0
@skipped_highlight_requests = false
@current_matched_href = nil
highlighted_nodes.sort.each {
|path|
node = DOMUtils.find_node doc, path
next mark_screwup if node.nodeValue.string.nil?
match_idx = node.nodeValue.string.downcase.index @search_text.downcase
next mark_screwup if match_idx.nil?
parent_info = DOMUtils.list_parent_node_types node
has_title_parent = !(parent_info.detect { |a| FORBIDDEN_TAGS.include? a[:elementId] }.nil?)
next if has_title_parent
if path == caret_path
DOMUtils.each_parent(node) {
|n|
next unless n.elementId == IDS::A
# link = DOM::HTMLLinkElement.new n # WTF? why doesn't this work???
link = Qt::Internal::cast_object_to n, "DOM::HTMLLinkElement"
@current_matched_href = link.href.string
}
end
before = doc.createTextNode node.nodeValue.split(0)
matched = doc.createTextNode before.nodeValue.split(match_idx)
after = doc.createTextNode matched.nodeValue.split(@search_text.length)
DOM::CharacterData.new(DOM::Node.new after).setData DOM::DOMString.new("") \
if after.nodeValue.string.nil?
span = doc.createElement DOM::DOMString.new("span")
spanelt = DOM::HTMLElement.new span
classname = (path == caret_path) ? "foundword" : "searchword"
spanelt.setClassName DOM::DOMString.new(classname)
span.appendChild matched
node.parentNode.insertBefore before, node
node.parentNode.insertBefore span, node
node.parentNode.insertBefore after, node
@to_undo << [node.parentNode, before]
node.parentNode.removeChild node
rate = (count > 50) ? 50 : 10
allow_user_input = ((count+=1) % rate == 0)
if allow_user_input
Qt::Application::restoreOverrideCursor if cursor_override
cursor_override = false
@in_node_highlight = true
Qt::Application::eventLoop.processEvents Qt::EventLoop::AllEvents, 10
@in_node_highlight = false
if @skipped_highlight_requests
@timer.start 50, true
return false
end
@viewed.view.layout
end
}
if @skipped_highlight_requests
@timer.start 50, true
end
Qt::Application::restoreOverrideCursor if cursor_override
end
def undo_highlight to_undo
to_undo.reverse.each {
|pnn| pn, before = *pnn
mid = before.nextSibling
after = mid.nextSibling
beforetext = before.nodeValue
aftertext = after.nodeValue
pn.removeChild after
midtxtnode = mid.childNodes.item(0)
midtext = midtxtnode.nodeValue
str = DOM::DOMString.new ""
str.insert aftertext, 0
str.insert midtext, 0
str.insert beforetext, 0
chardata = DOM::CharacterData.new(DOM::Node.new before)
chardata.setData str
pn.removeChild mid
}
end
end
class SmallIconSet
def SmallIconSet.[] name
loader = KDE::Global::instance.iconLoader
return loader.loadIconSet name, KDE::Icon::Small, 0
end
end
class ProjectEditDialog < Qt::Object
slots "select_file()", "slot_ok()"
def initialize project_name, parent=nil,name=nil,caption=nil
super(parent, name)
@parent = parent
@dialog = KDE::DialogBase.new(parent,name, true, caption,
KDE::DialogBase::Ok|KDE::DialogBase::Cancel, KDE::DialogBase::Ok, false)
vbox = Qt::VBox.new @dialog
grid = Qt::Grid.new 2, Qt::Horizontal, vbox
titlelabel = Qt::Label.new "Name:", grid
@title = KDE::LineEdit.new grid
titlelabel.setBuddy @title
urllabel = Qt::Label.new "Location:", grid
lochbox = Qt::HBox.new grid
@url = KDE::LineEdit.new lochbox
urllabel.setBuddy @url
locselc = Qt::PushButton.new lochbox
locselc.setIconSet SmallIconSet["up"]
blub = Qt::HBox.new vbox
Qt::Label.new "Is main one?:", blub
@cb = Qt::CheckBox.new blub
enabled = @parent.projects_data.project_list.empty?
unless project_name.nil?
project_url = @parent.projects_data.project_list[project_name]
@title.setText project_name
@url.setText project_url
enabled = true if (project_name == @parent.projects_data.enabled_name)
end
@cb.setChecked true if enabled
Qt::Object.connect @dialog, SIGNAL("okClicked()"),
self, SLOT("slot_ok()")
Qt::Object.connect locselc, SIGNAL("clicked()"),
self, SLOT("select_file()")
@title.setFocus
@dialog.setMainWidget vbox
@modified = false
end
def select_file
s = Qt::FileDialog::getOpenFileName ENV["HOME"], "HTML Files (*.html)",
@parent, "open file dialog", "Choose a file"
@url.setText s unless s.nil?
end
def edit
@dialog.exec
return @modified
end
def new_name
@title.text
end
def new_url
@url.text
end
def new_enabled
@cb.isChecked
end
def slot_ok
@parent.projects_data.project_list[new_name] = new_url
@parent.projects_data.enabled_name = new_name if new_enabled
@modified = true
end
end
class ProjectSelectDialog < Qt::Object
slots "edit_selected_project()", "delete_selected_project()", "project_create_button()", "project_selected()"
def initialize parent=nil,name=nil,caption=nil
super(parent, name)
@parent = parent
@dialog = KDE::DialogBase.new parent,name, true, caption,
KDE::DialogBase::Ok|KDE::DialogBase::Cancel, KDE::DialogBase::Ok, false
vbox = Qt::VBox.new @dialog
@listbox = Qt::ListBox.new vbox
fill_listbox
hbox = Qt::HBox.new vbox
button_new = Qt::PushButton.new "New...", hbox
button_del = Qt::PushButton.new "Delete", hbox
button_edit = Qt::PushButton.new "Edit...", hbox
Qt::Object.connect button_new, SIGNAL("clicked()"),
self, SLOT("project_create_button()")
Qt::Object.connect button_del, SIGNAL("clicked()"),
self, SLOT("delete_selected_project()")
Qt::Object.connect button_edit, SIGNAL("clicked()"),
self, SLOT("edit_selected_project()")
Qt::Object.connect @listbox, SIGNAL("doubleClicked(QListBoxItem *)"),
self, SLOT("project_selected()")
@dialog.setMainWidget vbox
end
def project_selected
return if @listbox.selectedItem.nil?
@parent.current_project_name = @listbox.selectedItem.text
@parent.blah_blah
@dialog.reject
end
def fill_listbox
@listbox.clear
@parent.projects_data.project_list.keys.each {
|name|
enabled = (name == @parent.projects_data.enabled_name)
icon = enabled ? "forward" : "down"
pm = SmallIconSet[icon].pixmap(Qt::IconSet::Automatic, Qt::IconSet::Normal)
it = Qt::ListBoxPixmap.new pm, name
@listbox.insertItem it
}
end
def edit_selected_project
return if @listbox.selectedItem.nil?
oldname = @listbox.selectedItem.text
dialog = ProjectEditDialog.new oldname, @parent
mod = dialog.edit
if mod and oldname != dialog.new_name
@parent.projects_data.project_list.delete oldname
end
fill_listbox if mod
end
def project_create_button
mod = @parent.project_create
fill_listbox if mod
end
def delete_selected_project
return if @listbox.selectedItem.nil?
# TODO - confirmation dialog
@parent.projects_data.project_list.delete @listbox.selectedItem.text
fill_listbox
end
def select
@dialog.exec
end
end
module ProjectManager
def project_create
dialog = ProjectEditDialog.new nil, self
dialog.edit
while @projects_data.project_list.empty?
dialog.edit
end
end
def project_goto
dialog = ProjectSelectDialog.new self
dialog.select
if @projects_data.project_list.empty?
project_create
end
end
require 'yaml'
def yamlfname
ENV["HOME"] + "/.rubberdocs/projects.yaml"
end
PROJECT_STORE_VERSION = 0
Projects = Struct.new :project_list, :enabled_name, :version
def load_projects
okay = false
if File.exists? yamlfname
@projects_data = YAML::load File.open(yamlfname)
if (@projects_data.version rescue -1) >= PROJECT_STORE_VERSION
okay = true
end
end
if not okay or @projects_data.project_list.empty?
@projects_data = Projects.new({}, nil, PROJECT_STORE_VERSION)
project_create
end
if @projects_data.enabled_name.nil?
@projects_data.enabled_name = @projects_data.project_list.keys.first
end
end
def save_projects
File.open(yamlfname, "w+") {
|file|
file.puts @projects_data.to_yaml
}
end
end
class RubberDoc < Qt::VBox
slots "khtml_part_init_complete()",
"go_back()", "go_forward()", "go_home()", "goto_url()",
"goto_search()", "clicked_result(QListBoxItem*)",
"search(const QString&)", "update_highlight()",
"quit()", "open_url(const KURL&)", "index_all()",
"goto_prev_match()", "goto_next_match()", "clear_location()", "activated()",
"goto_current_match_link()", "focus_search()", "focus_and_clear_search()",
"project_create()", "project_goto()"
attr_accessor :back, :forward, :url, :projects_data
include LoggedDebug
include MyGui
include IndexStorage
include HTMLIndexer
include TermHighlighter
include ProjectManager
def init_blah
@index = GenericTriGramIndex.new
@nodeindex = GenericTriGramIndex.new
@textcache = {}
@id2uri, @id2title, @id2depth = {}, {}, {}
@history, @popped_history = [], []
@shown_doc_id = 0
@freq_sorted_idxs = nil
@last_highlighted_doc_id, @to_undo = nil, nil, nil
@search_text = nil
@current_matched_href = nil
@in_update_highlight = false
@in_node_highlight = false
@lvis = nil
end
def initialize parent
super parent
@main = parent
load_projects
@current_project_name = @projects_data.enabled_name
init_blah
init_gui
gui_init_proportions
@timer = Qt::Timer.new self
Qt::Object.connect @timer, SIGNAL("timeout()"),
self, SLOT("update_highlight()")
@viewed.openURL KDE::URL.new("about:blank")
@init_connected = true
end
def blah_blah
save_indexes
init_blah
khtml_part_init_complete
end
def quit
@main.close
end
def khtml_part_init_complete
Qt::Object.disconnect @viewed, SIGNAL("completed()"),
self, SLOT("khtml_part_init_complete()") if @init_connected
@pref = File.dirname first_url.url.gsub("file:","")
init_khtml_part_settings @viewed if @init_connected
index_documents
# maybe make a better choice as to the start page???
@shown_doc_id = 0
goto_url @id2uri[@shown_doc_id], false
@viewed.show
search "qlistview" if DEBUG_SEARCH || DEBUG_GOTO
goto_search if DEBUG_GOTO
@init_connected = false
end
def finish
save_projects
save_indexes
end
def init_khtml_part_settings khtmlpart
khtmlpart.setJScriptEnabled true
khtmlpart.setJavaEnabled false
khtmlpart.setPluginsEnabled false
khtmlpart.setAutoloadImages false
end
def load_page
@viewed.setCaretMode true
@viewed.setCaretVisible false
@viewed.document.setAsync false
@viewed.document.load DOM::DOMString.new @url.url
@viewed.setUserStyleSheet "span.searchword { background-color: yellow }
span.foundword { background-color: green }"
Qt::Application::eventLoop.processEvents Qt::EventLoop::ExcludeUserInput
end
attr_accessor :current_project_name
def first_url
return KDE::URL.new @projects_data.project_list[@current_project_name]
end
def search s
if @in_node_highlight
@skipped_highlight_requests = true
return
end
puts "search request: #{s}"
@search_text = s
results = @index.search(s)
results += @nodeindex.search(s).collect { |docref| docref.doc_idx }
idx_hash = Hash.new { |h,k| h[k] = 0 }
results.each {
|idx| idx_hash[idx] += 1
}
@freq_sorted_idxs = idx_hash.to_a.sort_by { |val| val[1] }.reverse
update_lv
hl_timeout = 150 # continuation search should be slower?
@timer.start hl_timeout, true unless @freq_sorted_idxs.empty?
end
def look_for_prefixes
prefixes = []
# TODO - fix this crappy hack
@id2title.values.compact.sort.each {
|title|
title.gsub! "\n", ""
pos = title.index ":"
next if pos.nil?
prefix = title[0..pos-1]
prefixes << prefix
new_title = title[pos+1..title.length]
new_title.gsub! /(\s\s+|^\s+|\s+$)/, ""
title.replace new_title
}
end
class ResultItem < Qt::ListBoxItem
def initialize header, text
super()
@text, @header = text, header
@font = Qt::Font.new("Helvetica", 8)
@flags = Qt::AlignLeft | Qt::WordBreak
end
def paint painter
w, h = width(listBox), height(listBox)
header_height = (text_height @font, @header) + 5
painter.setFont @font
painter.fillRect 5, 5, w - 10, header_height, Qt::Brush.new(Qt::Color.new 150,100,150)
painter.drawText 5, 5, w - 10, header_height, @flags, @header
painter.fillRect 5, header_height, w - 10, h - 10, Qt::Brush.new(Qt::Color.new 100,150,150)
painter.setFont @font
painter.drawText 5, header_height + 2, w - 10, h - 10, @flags, @text
end
def text_height font, text
fm = Qt::FontMetrics.new font
br = fm.boundingRect 0, 0, width(listBox) - 20, 8192, @flags, text
br.height
end
def height listbox
h = 0
h += text_height @font, @text
h += text_height @font, @header
return h + 10
end
def width listbox
listBox.width - 5
end
end
CUTOFF = 100
def update_lv
@listbox.clear
@lvis = {}
look_for_prefixes
return if @freq_sorted_idxs.nil?
@freq_sorted_idxs.each {
|a| idx, count = *a
title = @id2title[idx]
# we must re-search until we have a doc -> nodes list
matches_text = ""
@nodeindex.search(@search_text).each {
|ref|
break if matches_text.length > CUTOFF
next unless ref.doc_idx == idx
matches_text << @textcache[ref] << "\n"
}
matches_text = matches_text.slice 0..CUTOFF
lvi = ResultItem.new "(#{count}) #{title}", matches_text
@listbox.insertItem lvi
@lvis[lvi] = idx
}
end
def goto_search
idx, count = *(@freq_sorted_idxs.first)
goto_id_and_hl idx
end
def clicked_result i
return if i.nil?
idx = @lvis[i]
goto_id_and_hl idx
end
def goto_id_and_hl idx
@current_matching_node_index = 0
goto_url @id2uri[idx], true
@shown_doc_id = idx
update_highlight
end
def goto_current_match_link
open_url KDE::URL.new(@current_matched_href) unless @current_matched_href.nil?
end
def skip_matches n
@current_matching_node_index += n # autowraps
if @in_node_highlight
@skipped_highlight_requests = true
return
end
update_highlight
end
def goto_prev_match
skip_matches -1
end
def goto_next_match
skip_matches +1
end
def more_to_do
return false if @todo_links.empty?
lhref = @todo_links.pop
do_for_link lhref
true
end
def do_for_link lhref
idx = (lhref.string =~ /#/)
unless idx.nil?
lhref = lhref.copy
lhref.truncate idx
end
skip = @done.include? lhref.string
return [] if skip
time_me("loading") {
@viewed.document.setAsync false
@viewed.document.load lhref
}
@done << lhref.string
newlinks = gather_for_current_page
@todo_next += newlinks
end
def update_ui_elements
@forward.setEnabled !@popped_history.empty?
@back.setEnabled !@history.empty?
end
def go_back
@popped_history << @url
fail "ummm... already at the start, gui bug" if @history.empty?
goto_url @history.pop, false, false
update_loc
update_ui_elements
end
def go_forward
fail "history bug" if @popped_history.empty?
goto_url @popped_history.pop, false, false
@history << @url
update_loc
update_ui_elements
end
def update_loc
# @location.setText @url.prettyURL
end
def go_home
goto_url first_url
end
def index_all
@viewed.hide
@id2uri.keys.each {
|id| goto_id_and_hl id
}
@viewed.show
end
def goto_url url = nil, history_store = true, clear_forward = true
@popped_history = [] if clear_forward
if history_store
@history << @url
end
@url = KDE::URL.new(url.nil? ? @location.text : url)
@label.setText "Loading : #{@url.prettyURL}"
urlonly, = uri_anchor_split @url.url
id = @id2uri.invert[@url.url]
if id.nil? and !(should_follow? urlonly)
warn "link points outside indexed space!"
return
end
load_page
if id.nil?
gather_for_current_page
id = @shown_doc_id
index_current_document
else
@shown_doc_id = id
end
@label.setText "Ready"
update_loc unless url.nil?
update_ui_elements
end
end
m = KDE::MainWindow.new
browser = RubberDoc.new m
browser.update_ui_elements
guixmlfname = Dir.pwd + "/RubberDoc.rc"
guixmlfname = File.dirname(File.readlink $0) + "/RubberDoc.rc" unless File.exists? guixmlfname
m.createGUI guixmlfname
m.setCentralWidget browser
app.setMainWidget(m)
m.show
app.exec()
browser.finish
__END__
TESTCASE -
w = KDE::HTMLPart # notice the missing .new
w.begin
=> crashes badly
(RECHECK)
./kde.rb:29:in `method_missing': Cannot handle 'const QIconSet&' as argument to QTabWidget::changeTab (ArgumentError)
from ./kde.rb:29:in `initialize'
from ./kde.rb:92:in `new'
from ./kde.rb:92
for param nil given to param const QIconSet &
occurs frequently
dum di dum
can't get tabwidget working. umm... wonder what i'm messing up... (RECHECK)
tabwidget = KDE::TabWidget.new browser
tabwidget.setTabPosition Qt::TabWidget::Top
@viewed = KDE::HTMLPart.new tabwidget
w2 = KDE::HTMLPart.new tabwidget
tabwidget.changeTab @viewed, Qt::IconSet.new, "blah blah"
tabwidget.showPage @viewed
tabwidget.show
@viewed.show
# possible BUG DOM::Text.new(node).data.string # strange that this one doesn't work... (RECHECK)
wierd khtml bug
@rightpane.setResizeMode @viewed, Qt::Splitter::KeepSize
in order to use KURL's as constants one must place this KApplication init
at the top of the file otherwise KInstance isn't init'ed before KURL usage
class ProjectSelectDialog < KDE::DialogBase
def initialize parent=nil,name=nil,caption=nil
super(parent,name, true, caption,
KDE::DialogBase::Ok|KDE::DialogBase::Cancel, KDE::DialogBase::Ok, false, KDE::GuiItem.new)
blah blah
end
end
# painter.fillRect 5, 5, width(listBox) - 10, height(listBox) - 10, Qt::Color.new(255,0,0)