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Code Issues Actions Packages Projects Releases Wiki Activity

complete implementation of issue #55

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created a help page
This commit is contained in:
traycold
2012-03-13 22:51:25 +01:00
parent abf9696221
commit 943b511b7c
6 changed files with 430 additions and 315 deletions
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120
commands.lua
View File

@@ -1,69 +1,95 @@
require "keys"
Keydef = {}
Keydef.mt = {}
function Keydef.new(keycode,modifier,descr)
local keydef = {}
keydef.keycode = keycode
keydef.modifier = modifier
keydef.descr = descr
setmetatable(keydef, Keydef.mt)
return keydef
Keydef = {
keycode = nil,
modifier = nil,
descr = nil
}
function Keydef:_new(obj)
-- obj definition
obj = obj or {}
setmetatable(obj, self)
self.__index = self
self.__tostring=Keydef.tostring
return obj
end
function Keydef.tostring(keydef)
return ((keydef.modifier and keydef.modifier.."+") or "").."["..(keydef.keycode or "").."]"..(keydef.descr or "")
function Keydef:new(keycode,modifier,descr)
obj = Keydef:_new()
obj.keycode = keycode
obj.modifier = modifier
obj.descr = descr
return obj
end
function Keydef.concat(keydef, obj)
if getmetatable(obj)==Keydef.mt then
return tostring(keydef)..tostring(obj)
else
return tostring(keydef)..obj
end
function Keydef:display()
return ((self.modifier and self.modifier.."+") or "")..(self.descr or "")
end
function Keydef:tostring()
return ((self.modifier and self.modifier.."+") or "").."["..(self.keycode or "").."]"..(self.descr or "")
end
Keydef.mt.__tostring=Keydef.tostring
Keydef.mt.__concat=Keydef.concat
Command = {}
Command.mt = {}
function Command.new(keydef, func, help)
local command = {}
command.keydef = keydef
command.func = func
command.help = help
setmetatable(command, Command.mt)
return command
Command = {
keydef = nil,
keygroup = nil,
func = nil,
help = nil,
order = nil
}
function Command:_new(obj)
-- obj definition
obj = obj or {}
setmetatable(obj, self)
self.__index = self
self.__tostring=Command.tostring
return obj
end
function Command:new(keydef, func, help, keygroup, order)
obj = Command:_new()
obj.keydef = keydef
obj.func = func
obj.help = help
obj.keygroup = keygroup
obj.order = order
--print("creating command: ["..tostring(keydef).."] keygroup:["..(keygroup or "").."] help:"..help)
return obj
end
function Command:tostring()
return tostring(self.keydef)..": "..(self.help or "<no help defined>")
end
function Command.tostring(command)
return command.keydef..": "..command.help
end
Command.mt.__tostring=Command.tostring
Commands = {
map = {}
map = {},
size = 0
}
function Commands:add(keycode,modifier,keydescr,help,func)
local keydef = Keydef.new(keycode, modifier,keydescr)
local keydef = Keydef:new(keycode,modifier,keydescr)
self:_add_impl(keydef,help,func)
end
function Commands:_add_impl(keydef,help,func,keygroup)
local command = self.map[keydef]
if command == nil then
command = Command.new(keydef,func,help)
self.map[keydef] = command
else
command.func = func
command.help = help
command.keygroup = keygroup
end
end
function Commands:add_group(keygroup,keys,help,func)
for _k,keydef in pairs(keys) do
self:_add_impl(keydef,help,func,keygroup)
end
end
function Commands:_add_impl(keydef,help,func,keygroup)
if keydef.modifier==MOD_ANY then
self:add_group(keygroup or keydef.descr,{Keydef:new(keydef.keycode,nil), Keydef:new(keydef.keycode,MOD_SHIFT), Keydef:new(keydef.keycode,MOD_ALT)},help,func)
elseif keydef.modifier==MOD_SHIFT_OR_ALT then
self:add_group(keygroup or (MOD_SHIFT.."|"..MOD_ALT.."+"..(keydef.descr or "")),{Keydef:new(keydef.keycode,MOD_SHIFT), Keydef:new(keydef.keycode,MOD_ALT)},help,func)
else
local command = self.map[keydef]
if command == nil then
self.size = self.size + 1
command = Command:new(keydef,func,help,keygroup,self.size)
self.map[keydef] = command
else
command.func = func
command.help = help
command.keygroup = keygroup
end
end
end
function Commands:get(keycode,modifier)
return self.map[Keydef.new(keycode, modifier)]
return self.map[Keydef:new(keycode, modifier)]
end
function Commands:get_by_keydef(keydef)
return self.map[keydef]
@@ -83,4 +109,4 @@ function Commands:new(obj)
setmetatable(obj, self)
self.__index = self
return obj
end
end

98
helppage.lua Normal file
View File

@@ -0,0 +1,98 @@
require "rendertext"
require "keys"
require "graphics"
require "font"
require "inputbox"
require "selectmenu"
require "commands"
HelpPage = {
-- Class vars:
-- font for displaying keys
fsize = 20,
face = freetype.newBuiltinFace("mono", 20),
fhash = "mono20",
-- font for displaying help messages
hfsize = 20,
hface = freetype.newBuiltinFace("sans", 20),
hfhash = "sans20",
-- font for paging display
ffsize = 15,
fface = freetype.newBuiltinFace("sans", 15),
ffhash = "sans15",
-- spacing between lines
spacing = 25,
-- state buffer
commands = nil,
items = 0,
page = 1
}
function HelpPage:show(ypos, height,commands)
self.commands = {}
self.items = 0
local keys = {}
for k,v in pairs(commands.map) do
local key = v.keygroup or v.keydef:display()
--print("order: "..v.order.." command: "..tostring(v.keydef).." - keygroup:"..(v.keygroup or "nil").." -keys[key]:"..(keys[key] or "nil"))
if keys[key] == nil then
keys[key] = 1
table.insert(self.commands,{shortcut=key,help=v.help,order=v.order})
self.items = self.items + 1
end
end
table.sort(self.commands,function(w1,w2) return w1.order<w2.order end)
local perpage = math.floor( (height - 1 * (self.ffsize + 5)) / self.spacing )
local pagedirty = true
while true do
if pagedirty then
fb.bb:paintRect(0, ypos, fb.bb:getWidth(), height, 0)
local c
local max_x = 0
for c = 1, perpage do
local i = (self.page - 1) * perpage + c
if i <= self.items then
local pen_x = renderUtf8Text(fb.bb, 5, ypos + self.spacing*c, self.face, self.fhash, self.commands[i].shortcut, true)
max_x = math.max(max_x, pen_x)
end
end
for c = 1, perpage do
local i = (self.page - 1) * perpage + c
if i <= self.items then
renderUtf8Text(fb.bb, max_x + 20, ypos + self.spacing*c, self.hface, self.hfhash, self.commands[i].help, true)
end
end
renderUtf8Text(fb.bb, 5, height - self.ffsize, self.fface, self.ffhash,
"Page "..self.page.." of "..math.ceil(self.items / perpage), true)
markerdirty = true
end
if pagedirty then
fb:refresh(0, 0, ypos, fb.bb:getWidth(), height)
pagedirty = false
end
local ev = input.waitForEvent()
--print("key code:"..ev.code)
ev.code = adjustKeyEvents(ev)
if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
if ev.code == KEY_PGFWD then
if self.page < (self.items / perpage) then
self.page = self.page + 1
pagedirty = true
end
elseif ev.code == KEY_PGBCK then
if self.page > 1 then
self.page = self.page - 1
pagedirty = true
end
elseif ev.code == KEY_BACK or ev.code == KEY_HOME then
return nil
end
end
end
end

6
keys.lua
View File

@@ -96,8 +96,10 @@ EVENT_VALUE_KEY_REPEAT = 2
EVENT_VALUE_KEY_RELEASE = 0
-- modifiers
MOD_SHIFT = "SHIFT"
MOD_ALT = "ALT"
MOD_SHIFT = "Shift"
MOD_ALT = "Alt"
MOD_SHIFT_OR_ALT = "ShiftAlt"
MOD_ANY = "Any"
function get_modifier()
return Keys.altmode and MOD_ALT or Keys.shiftmode and MOD_SHIFT

2
reader.lua
View File

@@ -23,6 +23,8 @@ require "djvureader"
require "filechooser"
require "settings"
require "screen"
require "keys"
require "commands"
-- option parsing:
longopts = {

1
rendertext.lua
View File

@@ -67,5 +67,6 @@ function renderUtf8Text(buffer, x, y, face, facehash, text, kerning)
prevcharcode = charcode
end
end
return pen_x
end

518
unireader.lua
View File

@@ -2,6 +2,7 @@ require "keys"
require "settings"
require "selectmenu"
require "commands"
require "helppage"
UniReader = {
-- "constants":
@@ -56,7 +57,7 @@ UniReader = {
-- the document's setting store:
settings = nil,
-- list of available commands:
commands = Commands:new(),
commands = nil,
-- you have to initialize newDC, nulldc in specific reader
newDC = function() return nil end,
@@ -774,234 +775,17 @@ function UniReader:inputloop()
ev.code = adjustKeyEvents(ev)
if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
local secs, usecs = util.gettime()
keydef = Keydef.new(ev.code, get_modifier())
print("key pressed: "..keydef)
keydef = Keydef:new(ev.code, get_modifier())
print("key pressed: "..tostring(keydef))
command = self.commands:get_by_keydef(keydef)
if command ~= nil then
print(command)
print("command to execute: "..tostring(command))
ret_code = command.func(self,keydef)
if ret_code == "break" then
break;
end
else
print("command not found")
end
--[[
if ev.code == KEY_PGFWD or ev.code == KEY_LPGFWD then
if Keys.shiftmode then
self:setglobalzoom(self.globalzoom+self.globalzoom_orig*0.2)
elseif Keys.altmode then
self:setglobalzoom(self.globalzoom+self.globalzoom_orig*0.1)
else
-- turn page forward
local pageno = self:nextView()
self:goto(pageno)
end
elseif ev.code == KEY_PGBCK or ev.code == KEY_LPGBCK then
if Keys.shiftmode then
self:setglobalzoom(self.globalzoom-self.globalzoom_orig*0.2)
elseif Keys.altmode then
self:setglobalzoom(self.globalzoom-self.globalzoom_orig*0.1)
else
-- turn page back
local pageno = self:prevView()
self:goto(pageno)
end
elseif ev.code == KEY_BACK then
if Keys.altmode then
-- altmode, exit reader
break
else
-- not altmode, back to last jump
if #self.jump_stack ~= 0 then
self:goto(self.jump_stack[1].page)
end
end
elseif ev.code == KEY_VPLUS then
self:modify_gamma( 1.25 )
elseif ev.code == KEY_VMINUS then
self:modify_gamma( 0.8 )
elseif ev.code == KEY_1 then
self:goto(1)
elseif ev.code >= KEY_2 and ev.code <= KEY_9 then
self:goto(math.floor(self.doc:getPages()/90*(ev.code-KEY_1)*10))
elseif ev.code == KEY_0 then
self:goto(self.doc:getPages())
elseif ev.code == KEY_A then
if Keys.shiftmode then
self:setglobalzoommode(self.ZOOM_FIT_TO_CONTENT)
else
self:setglobalzoommode(self.ZOOM_FIT_TO_PAGE)
end
elseif ev.code == KEY_S then
if Keys.shiftmode then
self:setglobalzoommode(self.ZOOM_FIT_TO_CONTENT_WIDTH)
else
self:setglobalzoommode(self.ZOOM_FIT_TO_PAGE_WIDTH)
end
elseif ev.code == KEY_D then
if Keys.shiftmode then
self:setglobalzoommode(self.ZOOM_FIT_TO_CONTENT_HEIGHT)
else
self:setglobalzoommode(self.ZOOM_FIT_TO_PAGE_HEIGHT)
end
elseif ev.code == KEY_F then
if Keys.shiftmode then
self:setglobalzoommode(self.ZOOM_FIT_TO_CONTENT_HALF_WIDTH)
else
self:setglobalzoommode(self.ZOOM_FIT_TO_CONTENT_HALF_WIDTH_MARGIN)
end
elseif ev.code == KEY_G then
local page = InputBox:input(height-100, 100, "Page:")
-- convert string to number
if not pcall(function () page = page + 0 end) then
page = self.pageno
else
if page < 1 or page > self.doc:getPages() then
page = self.pageno
end
end
self:goto(page)
elseif ev.code == KEY_T then
self:showTOC()
elseif ev.code == KEY_B then
if Keys.shiftmode then
self:add_jump(self.pageno)
else
self:showJumpStack()
end
elseif ev.code == KEY_J then
if Keys.shiftmode then
self:screenRotate("clockwise")
else
self:setrotate( self.globalrotate + 10 )
end
elseif ev.code == KEY_K then
if Keys.shiftmode then
self:screenRotate("anticlockwise")
else
self:setrotate( self.globalrotate - 10 )
end
elseif ev.code == KEY_HOME then
if Keys.shiftmode or Keys.altmode then
-- signal quit
keep_running = false
end
break
elseif ev.code == KEY_Z and not (Keys.shiftmode or Keys.altmode) then
local bbox = {}
bbox["x0"] = - self.offset_x / self.globalzoom
bbox["y0"] = - self.offset_y / self.globalzoom
bbox["x1"] = bbox["x0"] + width / self.globalzoom
bbox["y1"] = bbox["y0"] + height / self.globalzoom
bbox.pan_x = self.pan_x
bbox.pan_y = self.pan_y
self.bbox[self.pageno] = bbox
self.bbox[self:odd_even(self.pageno)] = bbox
self.bbox.enabled = true
print("# bbox " .. self.pageno .. dump(self.bbox))
self.globalzoommode = self.ZOOM_FIT_TO_CONTENT -- use bbox
elseif ev.code == KEY_Z and Keys.shiftmode then
self.bbox[self.pageno] = nil;
print("# bbox remove "..self.pageno .. dump(self.bbox));
elseif ev.code == KEY_Z and Keys.altmode then
self.bbox.enabled = not self.bbox.enabled;
print("# bbox override: ", self.bbox.enabled);
elseif ev.code == KEY_MENU then
self:showMenu()
self:goto(self.pageno)
end
]]
-- switch to ZOOM_BY_VALUE to enable panning on fiveway move
if ev.code == KEY_FW_LEFT
or ev.code == KEY_FW_RIGHT
or ev.code == KEY_FW_UP
or ev.code == KEY_FW_DOWN
then
self.globalzoommode = self.ZOOM_BY_VALUE
end
if self.globalzoommode == self.ZOOM_BY_VALUE then
local x
local y
if Keys.shiftmode then -- shift always moves in small steps
x = self.shift_x / 2
y = self.shift_y / 2
elseif Keys.altmode then
x = self.shift_x / 5
y = self.shift_y / 5
elseif self.pan_by_page then
x = width;
y = height - self.pan_overlap_vertical; -- overlap for lines which didn't fit
else
x = self.shift_x
y = self.shift_y
end
print("offset "..self.offset_x.."*"..self.offset_x.." shift "..x.."*"..y.." globalzoom="..self.globalzoom)
local old_offset_x = self.offset_x
local old_offset_y = self.offset_y
if ev.code == KEY_FW_LEFT then
print("# KEY_FW_LEFT "..self.offset_x.." + "..x.." > 0");
self.offset_x = self.offset_x + x
if self.pan_by_page then
if self.offset_x > 0 and self.pageno > 1 then
self.offset_x = self.pan_x
self.offset_y = self.min_offset_y -- bottom
self:goto(self.pageno - 1)
else
self.offset_y = self.min_offset_y
end
elseif self.offset_x > 0 then
self.offset_x = 0
end
elseif ev.code == KEY_FW_RIGHT then
print("# KEY_FW_RIGHT "..self.offset_x.." - "..x.." < "..self.min_offset_x.." - "..self.pan_margin);
self.offset_x = self.offset_x - x
if self.pan_by_page then
if self.offset_x < self.min_offset_x - self.pan_margin and self.pageno < self.doc:getPages() then
self.offset_x = self.pan_x
self.offset_y = self.pan_y
self:goto(self.pageno + 1)
else
self.offset_y = self.pan_y
end
elseif self.offset_x < self.min_offset_x then
self.offset_x = self.min_offset_x
end
elseif ev.code == KEY_FW_UP then
self.offset_y = self.offset_y + y
if self.offset_y > 0 then
self.offset_y = 0
end
elseif ev.code == KEY_FW_DOWN then
self.offset_y = self.offset_y - y
if self.offset_y < self.min_offset_y then
self.offset_y = self.min_offset_y
end
elseif ev.code == KEY_FW_PRESS then
if Keys.shiftmode then
if self.pan_by_page then
self.offset_x = self.pan_x
self.offset_y = self.pan_y
else
self.offset_x = 0
self.offset_y = 0
end
else
self.pan_by_page = not self.pan_by_page
if self.pan_by_page then
self.pan_x = self.offset_x
self.pan_y = self.offset_y
end
end
end
if old_offset_x ~= self.offset_x
or old_offset_y ~= self.offset_y then
self:goto(self.pageno)
end
print("command not found: "..tostring(command))
end
local nsecs, nusecs = util.gettime()
@@ -1031,94 +815,296 @@ end
-- command definitions
function UniReader:add_all_commands()
local noop = function() end
self.commands:add(KEY_PGFWD,MOD_SHIFT,">","zoom in 20%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom+unireader.globalzoom_orig*0.2)
end)
self.commands:add(KEY_PGBCK,MOD_SHIFT,"<","zoom out 20%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom-unireader.globalzoom_orig*0.2)
end)
self.commands:add(KEY_PGFWD,MOD_ALT,">","zoom in 10%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom+unireader.globalzoom_orig*0.1)
end)
self.commands:add(KEY_PGBCK,MOD_ALT,">","zoom out 10%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom-unireader.globalzoom_orig*0.1)
end)
self.commands:add(KEY_PGFWD,nil,">","next page",
self.commands = Commands:new()
self.commands:add(KEY_PGFWD,nil,">",
"next page",
function(unireader)
unireader:goto(unireader:nextView())
end)
self.commands:add(KEY_PGBCK,nil,"<","previous page",
self.commands:add(KEY_PGBCK,nil,"<",
"previous page",
function(unireader)
unireader:goto(unireader:prevView())
end)
self.commands:add(KEY_BACK,MOD_ALT,"<-","stop reading",
self.commands:add(KEY_PGFWD,MOD_ALT,">",
"zoom in 10%",
function(unireader)
return "break"
unireader:setglobalzoom(unireader.globalzoom+unireader.globalzoom_orig*0.1)
end)
self.commands:add(KEY_BACK,nil,"<-","back to last jump",
self.commands:add(KEY_PGBCK,MOD_ALT,"<",
"zoom out 10%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom-unireader.globalzoom_orig*0.1)
end)
self.commands:add(KEY_PGFWD,MOD_SHIFT,">",
"zoom in 20%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom+unireader.globalzoom_orig*0.2)
end)
self.commands:add(KEY_PGBCK,MOD_SHIFT,"<",
"zoom out 20%",
function(unireader)
unireader:setglobalzoom(unireader.globalzoom-unireader.globalzoom_orig*0.2)
end)
self.commands:add(KEY_BACK,nil,"back",
"back to last jump",
function(unireader)
if #unireader.jump_stack ~= 0 then
unireader:goto(unireader.jump_stack[1].page)
end
end)
self.commands:add(KEY_BACK,MOD_ALT,"back",
"close document",
function(unireader)
return "break"
end)
self.commands:add(KEY_VPLUS,nil,"vol+","increase gamma 25%",
self.commands:add(KEY_VPLUS,nil,"vol+",
"increase gamma 25%",
function(unireader)
unireader:modify_gamma( 1.25 )
end)
self.commands:add(KEY_VPLUS,nil,"vol-","decrease gamma 25%",
self.commands:add(KEY_VMINUS,nil,"vol-",
"decrease gamma 25%",
function(unireader)
unireader:modify_gamma( 0.80 )
end)
--numeric key group
local numeric_keydefs = {}
for i=1,10 do numeric_keydefs[i]=Keydef.new(KEY_1+i-1,nil,tostring(i%10)) end
self.commands:add_group("numeric keys",numeric_keydefs,"jump to <key>*10% of document",
for i=1,10 do numeric_keydefs[i]=Keydef:new(KEY_1+i-1,nil,tostring(i%10)) end
self.commands:add_group("[1..0]",numeric_keydefs,
"jump to <key>*10% of document",
function(unireader,keydef)
print('jump to page: '..math.max(math.floor(unireader.doc:getPages()*(keydef.keycode-KEY_1)/9),1)..'/'..unireader.doc:getPages())
unireader:goto(math.max(math.floor(unireader.doc:getPages()*(keydef.keycode-KEY_1)/9),1))
end)
--
self.commands:add(KEY_A,MOD_SHIFT,"A","zoom fit to content",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT)
end)
self.commands:add(KEY_A,nil,"A","zoom fit to page",
-- end numeric keys
self.commands:add(KEY_A,nil,"A",
"zoom to fit page",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_PAGE)
end)
self.commands:add(KEY_S,MOD_SHIFT,"S","zoom fit to content width",
self.commands:add(KEY_A,MOD_SHIFT,"A",
"zoom to fit content",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_WIDTH)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT)
end)
self.commands:add(KEY_S,nil,"S","zoom fit to page width",
self.commands:add(KEY_S,nil,"S",
"zoom to fit page width",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_PAGE_WIDTH)
end)
self.commands:add(KEY_D,MOD_SHIFT,"D","zoom fit to content height",
self.commands:add(KEY_S,MOD_SHIFT,"S",
"zoom to fit content width",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_HEIGHT)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_WIDTH)
end)
self.commands:add(KEY_D,nil,"D","zoom fit to page height",
self.commands:add(KEY_D,nil,"D",
"zoom to fit page height",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_PAGE_HEIGHT)
end)
self.commands:add(KEY_F,MOD_SHIFT,"F","zoom fit to content 2-column mode",
self.commands:add(KEY_D,MOD_SHIFT,"D",
"zoom to fit content height",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_HEIGHT)
end)
self.commands:add(KEY_F,nil,"F",
"zoom to fit margin 2-column mode",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_HALF_WIDTH_MARGIN)
end)
self.commands:add(KEY_F,MOD_SHIFT,"F",
"zoom to fit content 2-column mode",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_HALF_WIDTH)
end)
self.commands:add(KEY_F,nil,"F","zoom fit to margin 2-column mode",
self.commands:add(KEY_G,MOD_SHIFT,"G",
"goto page",
function(unireader)
unireader:setglobalzoommode(unireader.ZOOM_FIT_TO_CONTENT_HALF_WIDTH_MARGIN)
local page = InputBox:input(height-100, 100, "Page:")
-- convert string to number
if not pcall(function () page = page + 0 end) then
page = unireader.pageno
else
if page < 1 or page > unireader.doc:getPages() then
page = unireader.pageno
end
end
unireader:goto(page)
end)
self.commands:add(KEY_T,nil,"T","show table of content",
self.commands:add(KEY_H,nil,"H",
"show help page",
function(unireader)
HelpPage:show(0,height,unireader.commands)
unireader:goto(unireader.pageno)
end)
self.commands:add(KEY_T,nil,"T",
"show table of content",
function(unireader)
unireader:showTOC()
end)
self.commands:add(KEY_B,nil,"B",
"show jump stack",
function(unireader)
unireader:showJumpStack()
end)
self.commands:add(KEY_B,MOD_SHIFT,"B",
"add jump",
function(unireader)
unireader:add_jump(unireader.pageno)
end)
--print commands
for k,v in pairs(self.commands.map) do print(v) end
self.commands:add(KEY_J,nil,"J",
"rotate 10° clockwise",
function(unireader)
unireader:setrotate( unireader.globalrotate + 10 )
end)
self.commands:add(KEY_J,MOD_SHIFT,"J",
"rotate screen 90° clockwise",
function(unireader)
unireader:screenRotate("clockwise")
end)
self.commands:add(KEY_K,nil,"K",
"rotate 10° counterclockwise",
function(unireader)
unireader:setrotate( unireader.globalrotate - 10 )
end)
self.commands:add(KEY_K,MOD_SHIFT,"K",
"rotate screen 90° counterclockwise",
function(unireader)
unireader:screenRotate("anticlockwise")
end)
self.commands:add(KEY_HOME,MOD_SHIFT_OR_ALT,"Home",
"exit application",
function(unireader)
keep_running = false
return "break"
end)
self.commands:add(KEY_Z,nil,"Z",
"set crop mode",
function(unireader)
local bbox = {}
bbox["x0"] = - unireader.offset_x / unireader.globalzoom
bbox["y0"] = - unireader.offset_y / unireader.globalzoom
bbox["x1"] = bbox["x0"] + width / unireader.globalzoom
bbox["y1"] = bbox["y0"] + height / unireader.globalzoom
bbox.pan_x = unireader.pan_x
bbox.pan_y = unireader.pan_y
unireader.bbox[unireader.pageno] = bbox
unireader.bbox[unireader:odd_even(unireader.pageno)] = bbox
unireader.bbox.enabled = true
print("# bbox " .. unireader.pageno .. dump(unireader.bbox))
unireader.globalzoommode = unireader.ZOOM_FIT_TO_CONTENT -- use bbox
end)
self.commands:add(KEY_Z,MOD_SHIFT,"Z",
"reset crop",
function(unireader)
unireader.bbox[unireader.pageno] = nil;
print("# bbox remove "..unireader.pageno .. dump(unireader.bbox));
end)
self.commands:add(KEY_Z,MOD_ALT,"Z",
"toggle crop mode",
function(unireader)
unireader.bbox.enabled = not unireader.bbox.enabled;
print("# bbox override: ", unireader.bbox.enabled);
end)
self.commands:add(KEY_MENU,nil,"Menu",
"set crop mode",
function(unireader)
self:showMenu()
self:goto(self.pageno)
end)
-- panning
local panning_keys = {Keydef:new(KEY_FW_LEFT,MOD_ANY),Keydef:new(KEY_FW_RIGHT,MOD_ANY),Keydef:new(KEY_FW_UP,MOD_ANY),Keydef:new(KEY_FW_DOWN,MOD_ANY),Keydef:new(KEY_FW_PRESS,MOD_ANY)}
self.commands:add_group("[joypad]",panning_keys,
"pan the active view; use Shift or Alt for smaller steps",
function(unireader,keydef)
if keydef.keycode ~= KEY_FW_PRESS then
unireader.globalzoommode = unireader.ZOOM_BY_VALUE
end
if unireader.globalzoommode == unireader.ZOOM_BY_VALUE then
local x
local y
if keydef.modifier==MOD_SHIFT then -- shift always moves in small steps
x = unireader.shift_x / 2
y = unireader.shift_y / 2
elseif keydef.modifier==MOD_ALT then
x = unireader.shift_x / 5
y = unireader.shift_y / 5
elseif unireader.pan_by_page then
x = width;
y = height - unireader.pan_overlap_vertical; -- overlap for lines which didn't fit
else
x = unireader.shift_x
y = unireader.shift_y
end
print("offset "..unireader.offset_x.."*"..unireader.offset_x.." shift "..x.."*"..y.." globalzoom="..unireader.globalzoom)
local old_offset_x = unireader.offset_x
local old_offset_y = unireader.offset_y
if keydef.keycode == KEY_FW_LEFT then
print("# KEY_FW_LEFT "..unireader.offset_x.." + "..x.." > 0");
unireader.offset_x = unireader.offset_x + x
if unireader.pan_by_page then
if unireader.offset_x > 0 and unireader.pageno > 1 then
unireader.offset_x = unireader.pan_x
unireader.offset_y = unireader.min_offset_y -- bottom
unireader:goto(unireader.pageno - 1)
else
unireader.offset_y = unireader.min_offset_y
end
elseif unireader.offset_x > 0 then
unireader.offset_x = 0
end
elseif keydef.keycode == KEY_FW_RIGHT then
print("# KEY_FW_RIGHT "..unireader.offset_x.." - "..x.." < "..unireader.min_offset_x.." - "..unireader.pan_margin);
unireader.offset_x = unireader.offset_x - x
if unireader.pan_by_page then
if unireader.offset_x < unireader.min_offset_x - unireader.pan_margin and unireader.pageno < unireader.doc:getPages() then
unireader.offset_x = unireader.pan_x
unireader.offset_y = unireader.pan_y
unireader:goto(unireader.pageno + 1)
else
unireader.offset_y = unireader.pan_y
end
elseif unireader.offset_x < unireader.min_offset_x then
unireader.offset_x = unireader.min_offset_x
end
elseif keydef.keycode == KEY_FW_UP then
unireader.offset_y = unireader.offset_y + y
if unireader.offset_y > 0 then
unireader.offset_y = 0
end
elseif keydef.keycode == KEY_FW_DOWN then
unireader.offset_y = unireader.offset_y - y
if unireader.offset_y < unireader.min_offset_y then
unireader.offset_y = unireader.min_offset_y
end
elseif keydef.keycode == KEY_FW_PRESS then
if keydef.modifier==MOD_SHIFT then
if unireader.pan_by_page then
unireader.offset_x = unireader.pan_x
unireader.offset_y = unireader.pan_y
else
unireader.offset_x = 0
unireader.offset_y = 0
end
else
unireader.pan_by_page = not unireader.pan_by_page
if unireader.pan_by_page then
unireader.pan_x = unireader.offset_x
unireader.pan_y = unireader.offset_y
end
end
end
if old_offset_x ~= unireader.offset_x
or old_offset_y ~= unireader.offset_y then
unireader:goto(unireader.pageno)
end
end
end)
-- end panning
--print defined commands
--for k,v in pairs(self.commands.map) do print(v) end
end