changed indentation to 2 spaces for consistency across the repo

1 files changed, 126 insertions, 114 deletions

diff --git a/plugins/dragdropselected.lua b/plugins/dragdropselected.lua
index ec998aa..3c6583b 100644
--- a/plugins/dragdropselected.lua
+++ b/plugins/dragdropselected.lua
@@ -1,13 +1,13 @@
 -- mod-version:3
 --[[
-    dragdropselected.lua
-    provides basic drag and drop of selected text (in same document)
-    version: 20200627_133351
-    originally by SwissalpS
-
-    TODO: use OS drag and drop events
-    TODO: change mouse cursor when duplicating
-    TODO: add dragging image
+  dragdropselected.lua
+  provides basic drag and drop of selected text (in same document)
+  version: 20200627_133351
+  originally by SwissalpS
+
+  TODO: use OS drag and drop events
+  TODO: change mouse cursor when duplicating
+  TODO: add dragging image
 --]]
 local DocView = require "core.docview"
 local core = require "core"
@@ -22,16 +22,16 @@ local style = require "core.style"
 -- iSelLine2 is line number where selection ends
 -- iSelCol2 is column where selection ends
 local function isInSelection(iLine, iCol, iSelLine1, iSelCol1, iSelLine2, iSelCol2)
-    if iLine < iSelLine1 then return false end
-    if iLine > iSelLine2 then return false end
-    if (iLine == iSelLine1) and (iCol < iSelCol1) then return false end
-    if (iLine == iSelLine2) and (iCol > iSelCol2) then return false end
-    return true
+  if iLine < iSelLine1 then return false end
+  if iLine > iSelLine2 then return false end
+  if (iLine == iSelLine1) and (iCol < iSelCol1) then return false end
+  if (iLine == iSelLine2) and (iCol > iSelCol2) then return false end
+  return true
 end -- isInSelection
 
 -- distance between two points
 local function distance(x1, y1, x2, y2)
-    return math.sqrt(math.pow(x2-x1, 2)+math.pow(y2-y1, 2))
+  return math.sqrt(math.pow(x2-x1, 2)+math.pow(y2-y1, 2))
 end
 
 local min_drag = style.code_font:get_width(" ")
@@ -40,126 +40,138 @@ local min_drag = style.code_font:get_width(" ")
 local on_mouse_moved = DocView.on_mouse_moved
 function DocView:on_mouse_moved(x, y, ...)
 
-    local sCursor = nil
-
-    -- make sure we only act if previously on_mouse_pressed was in selection
-    if self.bClickedIntoSelection and
-       ( -- we are already dragging or we moved enough to start dragging
-         not self.drag_start_loc or
-         distance(self.drag_start_loc[1],self.drag_start_loc[2], x, y) > min_drag
-       ) then
-        self.drag_start_loc = nil
-
-        -- show that we are dragging something
-        sCursor = 'hand'
-
-        -- calculate line and column for current mouse position
-        local iLine, iCol = self:resolve_screen_position(x, y)
-        local iSelLine1 = self.dragged_selection[1]
-        local iSelCol1  = self.dragged_selection[2]
-        local iSelLine2 = self.dragged_selection[3]
-        local iSelCol2  = self.dragged_selection[4]
-        self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
-        if not isInSelection(iLine, iCol, iSelLine1, iSelCol1, iSelLine2, iSelCol2) then
-            -- show cursor only if outside selection
-            self.doc:add_selection(iLine, iCol)
-        end
-        -- update scroll position
-        self:scroll_to_line(iLine, true)
-    end -- if previously clicked into selection
+  local sCursor = nil
+
+  -- make sure we only act if previously on_mouse_pressed was in selection
+  if
+    self.bClickedIntoSelection
+    and
+    ( -- we are already dragging or we moved enough to start dragging
+      not self.drag_start_loc or
+      distance(self.drag_start_loc[1],self.drag_start_loc[2], x, y) > min_drag
+    )
+  then
+    self.drag_start_loc = nil
 
-    -- hand off to 'old' on_mouse_moved()
-    on_mouse_moved(self, x, y, ...)
-    -- override cursor as needed
-    if sCursor then self.cursor = sCursor end
+    -- show that we are dragging something
+    sCursor = 'hand'
+
+    -- calculate line and column for current mouse position
+    local iLine, iCol = self:resolve_screen_position(x, y)
+    local iSelLine1 = self.dragged_selection[1]
+    local iSelCol1  = self.dragged_selection[2]
+    local iSelLine2 = self.dragged_selection[3]
+    local iSelCol2  = self.dragged_selection[4]
+    self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
+    if not isInSelection(iLine, iCol, iSelLine1, iSelCol1, iSelLine2, iSelCol2) then
+      -- show cursor only if outside selection
+      self.doc:add_selection(iLine, iCol)
+    end
+    -- update scroll position
+    self:scroll_to_line(iLine, true)
+  end -- if previously clicked into selection
+
+  -- hand off to 'old' on_mouse_moved()
+  on_mouse_moved(self, x, y, ...)
+  -- override cursor as needed
+  if sCursor then self.cursor = sCursor end
 
 end -- DocView:on_mouse_moved
 
 -- override DocView:on_mouse_pressed
 local on_mouse_pressed = DocView.on_mouse_pressed
 function DocView:on_mouse_pressed(button, x, y, clicks)
-    local caught = DocView.super.on_mouse_pressed(self, button, x, y, clicks)
-    if caught then
-        return caught
-    end
-    -- no need to proceed if not left button or has no selection
-    if ('left' ~= button)
-      or (not self.doc:has_selection())
-      or (1 < clicks) then
-        return on_mouse_pressed(self, button, x, y, clicks)
-    end
-    -- convert pixel coordinates to line and column coordinates
-    local iLine, iCol = self:resolve_screen_position(x, y)
-    -- get selection coordinates
-    local iSelLine1, iSelCol1, iSelLine2, iSelCol2 = self.doc:get_selection(true)
-    -- set flag for on_mouse_released and on_mouse_moved() methods to detect dragging
-    self.bClickedIntoSelection = isInSelection(iLine, iCol, iSelLine1, iSelCol1,
-                                               iSelLine2, iSelCol2)
-    if self.bClickedIntoSelection then
-        self.drag_start_loc = { x, y }
-        -- stash selection for inserting later
-        self.sDraggedText = self.doc:get_text(self.doc:get_selection())
-        self.dragged_selection = { iSelLine1, iSelCol1, iSelLine2, iSelCol2 }
-    else
-        self.bClickedIntoSelection = nil
-        self.dragged_selection = nil
-        -- let 'old' on_mouse_pressed() do whatever it needs to do
-        on_mouse_pressed(self, button, x, y, clicks)
-    end
+  local caught = DocView.super.on_mouse_pressed(self, button, x, y, clicks)
+  if caught then
+      return caught
+  end
+  -- no need to proceed if not left button or has no selection
+  if
+    ('left' ~= button)
+    or (not self.doc:has_selection())
+    or (1 < clicks)
+  then
+      return on_mouse_pressed(self, button, x, y, clicks)
+  end
+  -- convert pixel coordinates to line and column coordinates
+  local iLine, iCol = self:resolve_screen_position(x, y)
+  -- get selection coordinates
+  local iSelLine1, iSelCol1, iSelLine2, iSelCol2 = self.doc:get_selection(true)
+  -- set flag for on_mouse_released and on_mouse_moved() methods to detect dragging
+  self.bClickedIntoSelection = isInSelection(iLine, iCol, iSelLine1, iSelCol1,
+                                             iSelLine2, iSelCol2)
+  if self.bClickedIntoSelection then
+    self.drag_start_loc = { x, y }
+    -- stash selection for inserting later
+    self.sDraggedText = self.doc:get_text(self.doc:get_selection())
+    self.dragged_selection = { iSelLine1, iSelCol1, iSelLine2, iSelCol2 }
+  else
+    self.bClickedIntoSelection = nil
+    self.dragged_selection = nil
+    -- let 'old' on_mouse_pressed() do whatever it needs to do
+    on_mouse_pressed(self, button, x, y, clicks)
+  end
 end -- DocView:on_mouse_pressed
 
 -- override DocView:on_mouse_released()
 local on_mouse_released = DocView.on_mouse_released
 function DocView:on_mouse_released(button, x, y)
-    local iLine, iCol = self:resolve_screen_position(x, y)
-    if self.bClickedIntoSelection then
-        local iSelLine1, iSelCol1, iSelLine2, iSelCol2 = table.unpack(self.dragged_selection)
-        if not self.drag_start_loc
-           and not isInSelection(iLine, iCol, iSelLine1, iSelCol1, iSelLine2, iSelCol2) then
-            -- insert stashed selected text at current position
-            if iLine < iSelLine1 or (iLine == iSelLine1 and iCol < iSelCol1) then
-                -- delete first
-                self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
-                if not keymap.modkeys['ctrl'] then
-                    self.doc:delete_to(0)
-                end
-                self.doc:set_selection(iLine, iCol)
-                self.doc:text_input(self.sDraggedText)
-            else
-                -- insert first
-                self.doc:set_selection(iLine, iCol)
-                self.doc:text_input(self.sDraggedText)
-                self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
-                if not keymap.modkeys['ctrl'] then
-                    self.doc:delete_to(0)
-                end
-                self.doc:set_selection(iLine, iCol)
-            end
-        elseif self.drag_start_loc then
-            -- deselect only if the drag never happened
-            self.doc:set_selection(iLine, iCol)
+  local iLine, iCol = self:resolve_screen_position(x, y)
+  if self.bClickedIntoSelection then
+    local iSelLine1, iSelCol1, iSelLine2, iSelCol2 = table.unpack(self.dragged_selection)
+    if
+      not self.drag_start_loc
+      and
+      not isInSelection(iLine, iCol, iSelLine1, iSelCol1, iSelLine2, iSelCol2)
+    then
+      -- insert stashed selected text at current position
+      if iLine < iSelLine1 or (iLine == iSelLine1 and iCol < iSelCol1) then
+        -- delete first
+        self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
+        if not keymap.modkeys['ctrl'] then
+            self.doc:delete_to(0)
         end
-        -- unset stash and flag(s) TODO:
-        self.sDraggedText = ''
-        self.bClickedIntoSelection = nil
+        self.doc:set_selection(iLine, iCol)
+        self.doc:text_input(self.sDraggedText)
+      else
+        -- insert first
+        self.doc:set_selection(iLine, iCol)
+        self.doc:text_input(self.sDraggedText)
+        self.doc:set_selection(iSelLine1, iSelCol1, iSelLine2, iSelCol2)
+        if not keymap.modkeys['ctrl'] then
+            self.doc:delete_to(0)
+        end
+        self.doc:set_selection(iLine, iCol)
+      end
+    elseif self.drag_start_loc then
+      -- deselect only if the drag never happened
+      self.doc:set_selection(iLine, iCol)
     end
+    -- unset stash and flag(s) TODO:
+    self.sDraggedText = ''
+    self.bClickedIntoSelection = nil
+  end
 
-    -- hand over to old handler
-    on_mouse_released(self, button, x, y)
+  -- hand over to old handler
+  on_mouse_released(self, button, x, y)
 
 end -- DocView:on_mouse_released
 
 -- override DocView:draw_caret()
 local draw_caret = DocView.draw_caret
 function DocView:draw_caret(x, y)
-    if self.bClickedIntoSelection then
-        local iLine, iCol = self:resolve_screen_position(x, y)
-        -- don't show carets inside selections
-        if isInSelection(iLine, iCol,
-                         self.dragged_selection[1], self.dragged_selection[2],
-                         self.dragged_selection[3], self.dragged_selection[4]) then
-            return
-        end
+  if self.bClickedIntoSelection then
+    local iLine, iCol = self:resolve_screen_position(x, y)
+    -- don't show carets inside selections
+    if
+      isInSelection(
+        iLine, iCol,
+        self.dragged_selection[1], self.dragged_selection[2],
+        self.dragged_selection[3], self.dragged_selection[4]
+      )
+    then
+      return
     end
-    draw_caret(self, x, y)
+  end
+  draw_caret(self, x, y)
 end -- DocView:draw_caret()