346 lines
9.5 KiB
Lua
346 lines
9.5 KiB
Lua
-- Path of Building
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--
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-- Class: Edit Control
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-- Basic edit control.
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--
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local launch, main = ...
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local m_floor = math.floor
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local EditClass = common.NewClass("EditControl", "ControlHost", "Control", function(self, anchor, x, y, width, height, init, prompt, filter, limit, changeFunc, style)
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self.ControlHost()
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self.Control(anchor, x, y, width, height)
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self:SetText(init or "")
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self.prompt = prompt
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self.filter = filter or "[%w%p ]"
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self.limit = limit
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self.changeFunc = changeFunc
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self.textCol = (style and style.textCol) or "^7"
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self.inactiveCol = (style and style.inactiveCol) or "^8"
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self.disableCol = (style and style.disableCol) or "^9"
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self.selCol = (style and style.selCol) or "^0"
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self.selBGCol = (style and style.selBGCol) or "^xBBBBBB"
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self.blinkStart = GetTime()
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if self.filter == "[%d]" then
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-- Add +/- buttons for integer number edits
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local function buttonSize()
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local width, height = self:GetSize()
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return height - 4
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end
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self.controls.buttonDown = common.New("ButtonControl", {"RIGHT",self,"RIGHT"}, -2, 0, buttonSize, buttonSize, "-", function()
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self:OnKeyUp("DOWN")
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end)
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self.controls.buttonUp = common.New("ButtonControl", {"RIGHT",self.controls.buttonDown,"LEFT"}, 0, 0, buttonSize, buttonSize, "+", function()
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self:OnKeyUp("UP")
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end)
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end
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end)
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function EditClass:SetText(text, notify)
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self.buf = tostring(text)
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self.caret = #self.buf + 1
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self.sel = nil
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if notify and self.changeFunc then
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self.changeFunc(self.buf)
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end
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end
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function EditClass:IsMouseOver()
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if not self:IsShown() then
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return false
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end
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if self:GetMouseOverControl() then
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return true
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end
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local x, y = self:GetPos()
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local width, height = self:GetSize()
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local cursorX, cursorY = GetCursorPos()
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return cursorX >= x and cursorY >= y and cursorX < x + width and cursorY < y + height
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end
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function EditClass:SelectAll()
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self.caret = 1
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self.sel = #self.buf + 1
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end
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function EditClass:ReplaceSel(text)
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for i = 1, #text do
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if not text:sub(i,i):match(self.filter) then
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return
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end
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end
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local left = math.min(self.caret, self.sel)
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local right = math.max(self.caret, self.sel)
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local newBuf = self.buf:sub(1, left - 1) .. text .. self.buf:sub(right)
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if self.limit and #newBuf > self.limit then
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return
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end
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self.buf = newBuf
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self.caret = left + #text
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self.sel = nil
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self.blinkStart = GetTime()
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if self.changeFunc then
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self.changeFunc(self.buf)
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end
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end
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function EditClass:Insert(text)
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for i = 1, #text do
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if not text:sub(i,i):match(self.filter) then
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return
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end
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end
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local newBuf = self.buf:sub(1, self.caret - 1) .. text .. self.buf:sub(self.caret)
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if self.limit and #newBuf > self.limit then
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return
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end
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self.buf = newBuf
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self.caret = self.caret + #text
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self.sel = nil
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self.blinkStart = GetTime()
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if self.changeFunc then
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self.changeFunc(self.buf)
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end
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end
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function EditClass:Draw(viewPort)
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local x, y = self:GetPos()
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local width, height = self:GetSize()
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local enabled = self:IsEnabled()
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local mOver = self:IsMouseOver()
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if not enabled then
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SetDrawColor(0.33, 0.33, 0.33)
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elseif mOver then
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SetDrawColor(1, 1, 1)
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else
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SetDrawColor(0.5, 0.5, 0.5)
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end
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DrawImage(nil, x, y, width, height)
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if not enabled then
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SetDrawColor(0, 0, 0)
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elseif self.hasFocus or mOver then
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SetDrawColor(0.15, 0.15, 0.15)
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else
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SetDrawColor(0, 0, 0)
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end
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DrawImage(nil, x + 1, y + 1, width - 2, height - 2)
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local textX = x + 2
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local textY = y + 2
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local textHeight = height - 4
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if self.prompt then
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if not enabled then
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DrawString(textX, textY, "LEFT", textHeight, "VAR", self.disableCol..self.prompt)
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else
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DrawString(textX, textY, "LEFT", textHeight, "VAR", self.textCol..self.prompt..":")
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end
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textX = textX + DrawStringWidth(textHeight, "VAR", self.prompt) + textHeight/2
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end
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if not enabled then
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return
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end
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if mOver and self.tooltip then
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main:AddTooltipLine(16, self:GetProperty("tooltip"))
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SetDrawLayer(nil, 100)
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main:DrawTooltip(x, y, width, height, viewPort)
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SetDrawLayer(nil, 0)
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end
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SetViewport(textX, textY, width - 2 - (textX - x), textHeight)
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if not self.hasFocus then
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DrawString(0, 0, "LEFT", textHeight, "VAR", self.inactiveCol..self.buf)
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SetViewport()
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self:DrawControls(viewPort)
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return
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end
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if not IsKeyDown("LEFTBUTTON") then
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self.drag = false
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end
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if self.drag then
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local cursorX, cursorY = GetCursorPos()
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self.caret = DrawStringCursorIndex(textHeight, "VAR", self.buf, cursorX - textX, cursorY - textY)
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end
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textX, textY = 0, 0
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if self.sel and self.sel ~= self.caret then
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local left = math.min(self.caret, self.sel)
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local right = math.max(self.caret, self.sel)
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local pre = self.textCol .. self.buf:sub(1, left - 1)
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local sel = self.selCol .. StripEscapes(self.buf:sub(left, right - 1))
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local post = self.textCol .. self.buf:sub(right)
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DrawString(textX, textY, "LEFT", textHeight, "VAR", pre)
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textX = textX + DrawStringWidth(textHeight, "VAR", pre)
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local selWidth = DrawStringWidth(textHeight, "VAR", sel)
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SetDrawColor(self.selBGCol)
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DrawImage(nil, textX, textY, selWidth, textHeight)
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DrawString(textX, textY, "LEFT", textHeight, "VAR", sel)
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DrawString(textX + selWidth, textY, "LEFT", textHeight, "VAR", post)
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if (GetTime() - self.blinkStart) % 1000 < 500 then
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local caretX = (self.caret > self.sel) and textX + selWidth or textX
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SetDrawColor(self.textCol)
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DrawImage(nil, caretX, textY, 1, textHeight)
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end
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else
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local pre = self.textCol .. self.buf:sub(1, self.caret - 1)
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local post = self.buf:sub(self.caret)
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DrawString(textX, textY, "LEFT", textHeight, "VAR", pre)
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textX = textX + DrawStringWidth(textHeight, "VAR", pre)
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DrawString(textX, textY, "LEFT", textHeight, "VAR", post)
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if (GetTime() - self.blinkStart) % 1000 < 500 then
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SetDrawColor(self.textCol)
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DrawImage(nil, textX, textY, 1, textHeight)
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end
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end
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SetViewport()
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self:DrawControls(viewPort)
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end
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function EditClass:OnFocusGained()
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self.blinkStart = GetTime()
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if not self.drag then
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self:SelectAll()
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end
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end
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function EditClass:OnKeyDown(key, doubleClick)
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if not self:IsShown() or not self:IsEnabled() then
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return
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end
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local mOverControl = self:GetMouseOverControl()
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if mOverControl and mOverControl.OnKeyDown then
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return mOverControl:OnKeyDown(key)
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end
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local shift = IsKeyDown("SHIFT")
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if key == "LEFTBUTTON" then
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if not self.Object:IsMouseOver() then
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return
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end
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if doubleClick then
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self.sel = 1
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self.caret = #self.buf + 1
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else
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self.drag = true
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local x, y = self:GetPos()
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local width, height = self:GetSize()
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local textX = x + 2
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local textY = y + 2
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local textHeight = height - 4
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if self.prompt then
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textX = textX + DrawStringWidth(textHeight, "VAR", self.prompt) + textHeight/2
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end
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local cursorX, cursorY = GetCursorPos()
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self.caret = DrawStringCursorIndex(textHeight, "VAR", self.buf, cursorX - textX, cursorY - textY)
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self.sel = self.caret
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self.blinkStart = GetTime()
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end
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elseif key == "ESCAPE" or key == "RETURN" then
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return
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elseif IsKeyDown("CTRL") then
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if key == "a" then
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self:SelectAll()
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elseif key == "c" or key == "x" then
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if self.sel and self.sel ~= self.caret then
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local left = math.min(self.caret, self.sel)
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local right = math.max(self.caret, self.sel)
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Copy(self.buf:sub(left, right - 1))
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if key == "x" then
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self:ReplaceSel("")
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end
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end
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elseif key == "v" then
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local text = Paste()
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if text then
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if self.sel and self.sel ~= self.caret then
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self:ReplaceSel(text)
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else
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self:Insert(text)
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end
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end
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end
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elseif key == "LEFT" then
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self.sel = shift and (self.sel or self.caret) or nil
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if self.caret > 1 then
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self.caret = self.caret - 1
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self.blinkStart = GetTime()
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end
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elseif key == "RIGHT" then
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self.sel = shift and (self.sel or self.caret) or nil
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if self.caret <= #self.buf then
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self.caret = self.caret + 1
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self.blinkStart = GetTime()
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end
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elseif key == "HOME" then
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self.sel = shift and (self.sel or self.caret) or nil
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self.caret = 1
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self.blinkStart = GetTime()
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elseif key == "END" then
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self.sel = shift and (self.sel or self.caret) or nil
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self.caret = #self.buf + 1
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self.blinkStart = GetTime()
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elseif key == "BACK" then
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if self.sel and self.sel ~= self.caret then
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self:ReplaceSel("")
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elseif self.caret > 1 then
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self.buf = self.buf:sub(1, self.caret - 2) .. self.buf:sub(self.caret)
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self.caret = self.caret - 1
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self.sel = nil
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self.blinkStart = GetTime()
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if self.changeFunc then
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self.changeFunc(self.buf)
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end
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end
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elseif key == "DELETE" then
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if self.sel and self.sel ~= self.caret then
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self:ReplaceSel("")
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elseif self.caret <= #self.buf then
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self.buf = self.buf:sub(1, self.caret - 1) .. self.buf:sub(self.caret + 1)
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self.sel = nil
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self.blinkStart = GetTime()
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if self.changeFunc then
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self.changeFunc(self.buf)
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end
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end
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elseif key == "TAB" then
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return self.Object:TabAdvance(shift and -1 or 1)
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end
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return self
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end
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function EditClass:OnKeyUp(key)
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if not self:IsShown() or not self:IsEnabled() then
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return
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end
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if key == "LEFTBUTTON" then
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if self.drag then
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self.drag = false
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end
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elseif self.filter == "[%d]" then
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local cur = tonumber(self.buf)
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if key == "WHEELUP" or key == "UP" then
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if cur then
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self:SetText(tostring(cur + 1), true)
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else
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self:SetText("1", true)
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end
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elseif key == "WHEELDOWN" or key == "DOWN" then
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if cur and cur > 0 then
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self:SetText(tostring(cur - 1), true)
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else
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self:SetText("0", true)
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end
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end
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end
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return self.hasFocus and self
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end
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function EditClass:OnChar(key)
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if not self:IsShown() or not self:IsEnabled() then
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return
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end
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if key ~= '\b' then
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if self.sel and self.sel ~= self.caret then
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self:ReplaceSel(key)
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else
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self:Insert(key)
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end
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end
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return self
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end
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