diff options
Diffstat (limited to 'dalos-hexview.lua')
| -rw-r--r-- | dalos-hexview.lua | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/dalos-hexview.lua b/dalos-hexview.lua new file mode 100644 index 0000000..b59993a --- /dev/null +++ b/dalos-hexview.lua @@ -0,0 +1,197 @@ +load "iupe-hexview.lua" +load "iupe-hexview-toolbox.lua" + +dalosp.hexview = { + activate = function (self) + self.extra.hvdlg:show() + end, + + input_change = function (self, ind) + local extra = self.extra + local hv = extra.hv + local h = self:get_linked_input(ind) + if not h then + self.color = cd.YELLOW + hv:updatehandle(nil) + self.dcanvas:draw() + return + end + if not h:canread() or not h:canseek() then + self.color = cd.RED + hv:updatehandle(nil) + self.dcanvas:draw() + return + end + self.color = cd.GREEN + for i = 1, 12 do + self:set_houtput(nil, i) + self.oldcursors[i] = -1 + end + hv:updatehandle(h) + self.dcanvas:draw() + end, + + configure = function (self) + local s, newname, gsx, gsy, dgsx, dgsy, dl, ml = + iup.GetParam(self.name .. " properties", nil, [[ +Name: %s +Gridsize X: %i +Gridsize Y: %i +Default gridsize X: %i +Default gridsize Y: %i +Lines: %i +Marker lengths: %b +]], + self.name, self.extra.hv.gridsize.x, self.extra.hv.gridsize.y, iupep.hexview.gridsize.x, iupep.hexview.gridsize.y, + self.extra.hv.displaylines, self.extra.hv.showmarkerslengths and 1 or 0) + if not s then return end + self.name = newname + self.extra.hv.gridsize.x = gsx + self.extra.hv.gridsize.y = gsy + iupep.hexview.gridsize.x = dgsx + iupep.hexview.gridsize.y = dgsy + self.extra.hv.displaylines = dl + self.extra.hv.showmarkerslengths = ml == 1 + end, + + get_settings = function (self) + local hv = self.extra.hv + local r = { + mcursor = hv.mcursor + 0, + kcursor = hv.kcursor + 0, + markers = {}, + filecursor = hv.filecursor + 0, + displaylines = hv.displaylines + 0, + gridsize = hv.gridsize, + showmarkerslengths = hv.showmarkerslengths, + } + for i = 1, 10 do + r.markers[i] = hv.markers[i] + 0 + end + return r + end, + + output_change = function (self, ind) + self.extra.hv.markerslengths[ind] = 0 + self.watchees[ind] = self.outputs[ind] and true or false + self:set_houtput(nil, ind) + self.oldcursors[ind] = -1 + self:dalos_hv_cb(self.extra.hv) + end, + + update_houtput = function (self, ind, cursor) + local hv = self.extra.hv + local h = self:get_linked_input(1) + local maxsize = h and h:getsize() or -1 + cursor = cursor + 0 + if cursor >= 0 and h and self.watchees[ind] then + if cursor >= maxsize then + self:set_houtput(nil, ind) + return + end + h:seek(cursor) + local obj = { + h = h, + hvo = self, + ind = ind, + origin = cursor, + size = maxsize - cursor, + getname = function (self) return self.hvo.name .. ":" .. self.ind end, + getmodif = function (self) return self.h:getmodif() end, + do_seek = function (self) + self.h:seek(self.offset + self.origin) + self:post_read() + end, + do_read = function (self, count, userdata) + return self.h:read(count, userdata) + end, + post_read = function (self, count) + local ol = hv.markerslengths[ind] + local nl = self.offset + if nl > ol then + hv.markerslengths[ind] = nl + if hv.showmarkerslengths then + hv:draw() + end + end + end, + } + self:set_houtput(dalos.luahandle(obj), ind) + end + end, + + dalos_hv_cb = function (self, hv, reset) + local m + for i = 1, 10 do + m = hv.markers[i] + if m and self.oldcursors[i] ~= m then + self:update_houtput(i, m) + self.oldcursors[i] = m + end + end + + m = hv.kcursor + if m and self.oldcursors[11] ~= m then + self:update_houtput(11, m) + self.oldcursors[11] = m + end + + m = hv.mcursor + if m and self.oldcursors[12] ~= m then + self:update_houtput(12, m) + self.oldcursors[12] = m + end + end, + + create = function (d, tab, settings) + tab.otype = dalos.objtype.LUA_FILTER + tab.activate = dalosp.hexview.activate + tab.input_change = dalosp.hexview.input_change + tab.output_change = dalosp.hexview.output_change + tab.configure = dalosp.hexview.configure + tab.get_settings = dalosp.hexview.get_settings + tab.ninputs = 1 + tab.noutputs = 12 + tab.default_name = "Hexview" + tab.ntype = "Hexview" + + local extra = { } + + local obj = dalos.object(d, tab, extra) + + local hv = iupe.hexview { } + local hvtb = iupe.hexview_toolbox { hexview = hv } + local hvdlg = iup.dialog { iup.hbox { iup.frame { hv }, iup.sbox { direction = "WEST", hvtb } }, title = obj.name, size = "500x", shrink = "Yes" } + + extra.hv = hv + extra.hvtb = hvtb + extra.hvdlg = hvdlg + + obj.oldcursors = { } + obj.watchees = { } + obj.update_houtput = dalosp.hexview.update_houtput + for i = 1, 12 do obj.oldcursors[i] = -1 end + + if settings then + if settings.markers then + for i = 1, 10 do + if settings.markers[i] then hv.markers[i] = settings.markers[i] end + end + end + if settings.mcursor then hv.mcursor = settings.mcursor end + if settings.kcursor then hv.kcursor = settings.kcursor end + if settings.filecursor then hv.filecursor = settings.filecursor end + if settings.displaylines then hv.displaylines = settings.displaylines end + if settings.gridsize then hv.gridsize.x, hv.gridsize.y = settings.gridsize.x, settings.gridsize.y end + if settings.showmarkerslengths then hv.showmarkerslengths = settings.showmarkerslengths end + end + + hv:registercb(dalosp.hexview.dalos_hv_cb, obj) + obj.dalos_hv_cb = dalosp.hexview.dalos_hv_cb + + return obj + end, +} + +dalos.hexview = dalosp.hexview.create +dalos:register_obj("Hexview", dalos.hexview, "Basic Viewers") |