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imgui-luau/imgui/imgui_demo_widgets.lua
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-- Demo: DemoWindowWidgets*() sections (port of imgui_demo.cpp). Globals picked up by DemoWindowWidgets() in imgui_demo.lua.
local _
local function HSV(h, s, v, a) local r, g, b = ImGui.ColorConvertHSVtoRGB(h, s, v) return ImVec4(r, g, b, a or 1.0) end
local Buf, BufStr = DemoBuf, DemoBufStr
local S = {} -- statics, one subtable per section
local ExampleNames = {
"Artichoke", "Arugula", "Asparagus", "Avocado", "Bamboo Shoots", "Bean Sprouts", "Beans", "Beet", "Belgian Endive", "Bell Pepper",
"Bitter Gourd", "Bok Choy", "Broccoli", "Brussels Sprouts", "Burdock Root", "Cabbage", "Calabash", "Capers", "Carrot", "Cassava",
"Cauliflower", "Celery", "Celery Root", "Celcuce", "Chayote", "Chinese Broccoli", "Corn", "Cucumber" }
S.basic = { clicked = 0, check = true, e = 0, counter = 0, str0 = Buf("Hello, world!", 128), str1 = Buf("", 128),
i0 = 123, f0 = 0.001, d0 = 999999.00000001, f1 = 1.e10, vec4a = { 0.10, 0.20, 0.30, 0.44 },
di1 = 50, di2 = 42, di3 = 128, df1 = 1.0, df2 = 0.0067, si1 = 0, sf1 = 0.123, sf2 = 0.0, angle = 0.0, elem = 0,
col1 = { 1.0, 0.0, 0.2 }, col2 = { 0.4, 0.7, 0.0, 0.5 }, combo = 0, listbox = 1 }
function DemoWindowWidgetsBasic()
if not ImGui.TreeNode("Basic") then return end
local s = S.basic
ImGui.SeparatorText("General")
if ImGui.Button("Button") then s.clicked = s.clicked + 1 end
if s.clicked % 2 == 1 then ImGui.SameLine(); ImGui.Text("Thanks for clicking me!") end
_, s.check = ImGui.Checkbox("checkbox", s.check)
_, s.e = ImGui.RadioButton("radio a", s.e, 0); ImGui.SameLine()
_, s.e = ImGui.RadioButton("radio b", s.e, 1); ImGui.SameLine()
_, s.e = ImGui.RadioButton("radio c", s.e, 2)
ImGui.AlignTextToFramePadding()
ImGui.TextLinkOpenURL("Hyperlink", "https://github.com/ocornut/imgui/wiki/Error-Handling")
for i = 0, 6 do
if i > 0 then ImGui.SameLine() end
ImGui.PushID(i)
ImGui.PushStyleColor(ImGuiCol.Button, HSV(i / 7.0, 0.6, 0.6))
ImGui.PushStyleColor(ImGuiCol.ButtonHovered, HSV(i / 7.0, 0.7, 0.7))
ImGui.PushStyleColor(ImGuiCol.ButtonActive, HSV(i / 7.0, 0.8, 0.8))
ImGui.Button("Click")
ImGui.PopStyleColor(3)
ImGui.PopID()
end
ImGui.AlignTextToFramePadding()
ImGui.Text("Hold to repeat:")
ImGui.SameLine()
local spacing = ImGui.GetStyle().ItemInnerSpacing.x
ImGui.PushItemFlag(ImGuiItemFlags.ButtonRepeat, true)
if ImGui.ArrowButton("##left", ImGuiDir.Left) then s.counter = s.counter - 1 end
ImGui.SameLine(0.0, spacing)
if ImGui.ArrowButton("##right", ImGuiDir.Right) then s.counter = s.counter + 1 end
ImGui.PopItemFlag()
ImGui.SameLine()
ImGui.Text("%d", s.counter)
ImGui.Button("Tooltip")
ImGui.SetItemTooltip("I am a tooltip")
ImGui.LabelText("label", "Value")
ImGui.SeparatorText("Inputs")
ImGui.InputText("input text", s.str0, 128)
ImGui.SameLine(); HelpMarker("USER:\nHold Shift or use mouse to select text.\nCtrl+Left/Right to word jump.\nCtrl+A or Double-Click to select all.\nCtrl+X,Ctrl+C,Ctrl+V for clipboard.\nCtrl+Z to undo, Ctrl+Y/Ctrl+Shift+Z to redo.\nEscape to revert.")
ImGui.InputTextWithHint("input text (w/ hint)", "enter text here", s.str1, 128)
s.i0 = ImGui.InputInt("input int", s.i0)
s.f0 = ImGui.InputFloat("input float", s.f0, 0.01, 1.0, "%.3f")
s.d0 = ImGui.InputDouble("input double", s.d0, 0.01, 1.0, "%.8f")
s.f1 = ImGui.InputFloat("input scientific", s.f1, 0.0, 0.0, "%e")
ImGui.SameLine(); HelpMarker("You can input value using the scientific notation,\n e.g. \"1e+8\" becomes \"100000000\".")
ImGui.InputFloat3("input float3", s.vec4a)
ImGui.SeparatorText("Drags")
s.di1 = ImGui.DragInt("drag int", s.di1, 1)
ImGui.SameLine(); HelpMarker("Click and drag to edit value.\nHold Shift/Alt for faster/slower edit.\nDouble-Click or Ctrl+Click to input value.")
s.di2 = ImGui.DragInt("drag int 0..100", s.di2, 1, 0, 100, "%d%%", ImGuiSliderFlags.AlwaysClamp)
s.di3 = ImGui.DragInt("drag int wrap 100..200", s.di3, 1, 100, 200, "%d", ImGuiSliderFlags.WrapAround)
s.df1 = ImGui.DragFloat("drag float", s.df1, 0.005)
s.df2 = ImGui.DragFloat("drag small float", s.df2, 0.0001, 0.0, 0.0, "%.06f ns")
ImGui.SeparatorText("Sliders")
s.si1 = ImGui.SliderInt("slider int", s.si1, -1, 3)
ImGui.SameLine(); HelpMarker("Ctrl+Click to input value.")
s.sf1 = ImGui.SliderFloat("slider float", s.sf1, 0.0, 1.0, "ratio = %.3f")
s.sf2 = ImGui.SliderFloat("slider float (log)", s.sf2, -10.0, 10.0, "%.4f", ImGuiSliderFlags.Logarithmic)
s.angle = ImGui.SliderAngle("slider angle", s.angle)
local elems_names = { "Fire", "Earth", "Air", "Water" }
local elem_name = elems_names[s.elem + 1] or "Unknown"
s.elem = ImGui.SliderInt("slider enum", s.elem, 0, 3, elem_name)
ImGui.SameLine(); HelpMarker("Using the format string parameter to display a name instead of the underlying integer.")
ImGui.SeparatorText("Selectors/Pickers")
ImGui.ColorEdit3("color 1", s.col1)
ImGui.SameLine(); HelpMarker("Click on the color square to open a color picker.\nClick and hold to use drag and drop.\nRight-Click on the color square to show options.\nCtrl+Click on individual component to input value.\n")
ImGui.ColorEdit4("color 2", s.col2)
s.combo = ImGui.Combo("combo", s.combo, { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIIIIII", "JJJJ", "KKKKKKK" })
ImGui.SameLine(); HelpMarker("Using the simplified one-liner Combo API here.")
s.listbox = ImGui.ListBox("listbox", s.listbox, { "Apple", "Banana", "Cherry", "Kiwi", "Mango", "Orange", "Pineapple", "Strawberry", "Watermelon" }, 9, 4)
ImGui.SameLine(); HelpMarker("Using the simplified one-liner ListBox API here.")
ImGui.TreePop()
end
S.chdr = { closable_group = true }
function DemoWindowWidgetsBullets()
if not ImGui.TreeNode("Bullets") then return end
ImGui.BulletText("Bullet point 1")
ImGui.BulletText("Bullet point 2\nOn multiple lines")
if ImGui.TreeNode("Tree node") then ImGui.BulletText("Another bullet point"); ImGui.TreePop() end
ImGui.Bullet(); ImGui.Text("Bullet point 3 (two calls)")
ImGui.Bullet(); ImGui.SmallButton("Button")
ImGui.TreePop()
end
function DemoWindowWidgetsCollapsingHeaders()
if not ImGui.TreeNode("Collapsing Headers") then return end
local s = S.chdr
_, s.closable_group = ImGui.Checkbox("Show 2nd header", s.closable_group)
if ImGui.CollapsingHeader("Header", ImGuiTreeNodeFlags.None) then
ImGui.Text("IsItemHovered: %d", ImGui.IsItemHovered() and 1 or 0)
for i = 0, 4 do ImGui.Text("Some content %d", i) end
end
local open
open, s.closable_group = ImGui.CollapsingHeader("Header with a close button", s.closable_group)
if open then
ImGui.Text("IsItemHovered: %d", ImGui.IsItemHovered() and 1 or 0)
for i = 0, 4 do ImGui.Text("More content %d", i) end
end
ImGui.TreePop()
end
IMGUI_PAYLOAD_TYPE_COLOR_3F = IMGUI_PAYLOAD_TYPE_COLOR_3F or "_COL3F"
IMGUI_PAYLOAD_TYPE_COLOR_4F = IMGUI_PAYLOAD_TYPE_COLOR_4F or "_COL4F"
S.color = { color = ImVec4(114.0 / 255.0, 144.0 / 255.0, 154.0 / 255.0, 200.0 / 255.0), base_flags = 0, palette = nil,
backup = ImVec4(), no_border = false, ref_color = false, ref_color_v = ImVec4(1.0, 0.0, 1.0, 0.5), picker_mode = 0,
display_mode = 0, picker_flags = ImGuiColorEditFlags.AlphaBar, hsv = ImVec4(0.23, 1.0, 1.0, 1.0) }
function DemoWindowWidgetsColorAndPickers()
if not ImGui.TreeNode("Color/Picker Widgets") then return end
local s = S.color
local CE = ImGuiColorEditFlags
local color = s.color
ImGui.SeparatorText("Options")
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoAlpha", s.base_flags, CE.NoAlpha)
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_AlphaOpaque", s.base_flags, CE.AlphaOpaque)
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_AlphaNoBg", s.base_flags, CE.AlphaNoBg)
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_AlphaPreviewHalf", s.base_flags, CE.AlphaPreviewHalf)
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoOptions", s.base_flags, CE.NoOptions); ImGui.SameLine(); HelpMarker("Right-click on the individual color widget to show options.")
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoDragDrop", s.base_flags, CE.NoDragDrop)
if CE.NoColorMarkers then _, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoColorMarkers", s.base_flags, CE.NoColorMarkers) end
_, s.base_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_HDR", s.base_flags, CE.HDR); ImGui.SameLine(); HelpMarker("Currently all this does is to lift the 0..1 limits on dragging widgets.")
local base_flags = s.base_flags
ImGui.SeparatorText("Inline color editor")
ImGui.Text("Color widget:")
ImGui.SameLine(); HelpMarker("Click on the color square to open a color picker.\nCtrl+Click on individual component to input value.\n")
ImGui.ColorEdit3("MyColor##1", color, base_flags)
ImGui.Text("Color widget HSV with Alpha:")
ImGui.ColorEdit4("MyColor##2", color, bit32.bor(CE.DisplayHSV, base_flags))
ImGui.Text("Color widget with Float Display:")
ImGui.ColorEdit4("MyColor##2f", color, bit32.bor(CE.Float, base_flags))
ImGui.Text("Color button with Picker:")
ImGui.SameLine(); HelpMarker("With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\nWith the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only be used for the tooltip and picker popup.")
ImGui.ColorEdit4("MyColor##3", color, bit32.bor(CE.NoInputs, CE.NoLabel, base_flags))
ImGui.Text("Color button with Custom Picker Popup:")
if s.palette == nil then
s.palette = {}
for n = 0, 31 do s.palette[n] = HSV(n / 31.0, 0.8, 0.8, 1.0) end
end
local open_popup = ImGui.ColorButton("MyColor##3b", color, base_flags)
ImGui.SameLine(0, ImGui.GetStyle().ItemInnerSpacing.x)
open_popup = ImGui.Button("Palette") or open_popup
if open_popup then
ImGui.OpenPopup("mypicker")
ImVec4_Copy(s.backup, color)
end
if ImGui.BeginPopup("mypicker") then
ImGui.Text("MY CUSTOM COLOR PICKER WITH AN AMAZING PALETTE!")
ImGui.Separator()
ImGui.ColorPicker4("##picker", color, bit32.bor(base_flags, CE.NoSidePreview, CE.NoSmallPreview))
ImGui.SameLine()
ImGui.BeginGroup()
ImGui.Text("Current")
ImGui.ColorButton("##current", color, bit32.bor(CE.NoPicker, CE.AlphaPreviewHalf), ImVec2(60, 40))
ImGui.Text("Previous")
if ImGui.ColorButton("##previous", s.backup, bit32.bor(CE.NoPicker, CE.AlphaPreviewHalf), ImVec2(60, 40)) then
ImVec4_Copy(color, s.backup)
end
ImGui.Separator()
ImGui.Text("Palette")
for n = 0, 31 do
ImGui.PushID(n)
if n % 8 ~= 0 then ImGui.SameLine(0.0, ImGui.GetStyle().ItemSpacing.y) end
local pal = s.palette[n]
if ImGui.ColorButton("##palette", pal, bit32.bor(CE.NoAlpha, CE.NoPicker, CE.NoTooltip), ImVec2(20, 20)) then
color.x = pal.x; color.y = pal.y; color.z = pal.z -- Preserve alpha!
end
if ImGui.BeginDragDropTarget() then
local payload = ImGui.AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)
if payload and payload.Data then pal.x, pal.y, pal.z = payload.Data[1], payload.Data[2], payload.Data[3] end
payload = ImGui.AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F)
if payload and payload.Data then pal.x, pal.y, pal.z, pal.w = payload.Data[1], payload.Data[2], payload.Data[3], payload.Data[4] end
ImGui.EndDragDropTarget()
end
ImGui.PopID()
end
ImGui.EndGroup()
ImGui.EndPopup()
end
ImGui.Text("Color button only:")
_, s.no_border = ImGui.Checkbox("ImGuiColorEditFlags_NoBorder", s.no_border)
ImGui.ColorButton("MyColor##3c", color, bit32.bor(base_flags, s.no_border and CE.NoBorder or 0), ImVec2(80, 80))
ImGui.SeparatorText("Color picker")
ImGui.PushID("Color picker")
_, s.picker_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoAlpha", s.picker_flags, CE.NoAlpha)
_, s.picker_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_AlphaBar", s.picker_flags, CE.AlphaBar)
_, s.picker_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_NoSidePreview", s.picker_flags, CE.NoSidePreview)
if bit32.band(s.picker_flags, CE.NoSidePreview) ~= 0 then
ImGui.SameLine()
_, s.ref_color = ImGui.Checkbox("With Ref Color", s.ref_color)
if s.ref_color then
ImGui.SameLine()
ImGui.ColorEdit4("##RefColor", s.ref_color_v, bit32.bor(CE.NoInputs, base_flags))
end
end
_, s.picker_flags = ImGui.CheckboxFlags("ImGuiColorEditFlags_PickerNoRotate", s.picker_flags, CE.PickerNoRotate)
s.picker_mode = ImGui.Combo("Picker Mode", s.picker_mode, "Auto/Current\0ImGuiColorEditFlags_PickerHueBar\0ImGuiColorEditFlags_PickerHueWheel\0")
ImGui.SameLine(); HelpMarker("When not specified explicitly, user can right-click the picker to change mode.")
s.display_mode = ImGui.Combo("Display Mode", s.display_mode, "Auto/Current\0ImGuiColorEditFlags_NoInputs\0ImGuiColorEditFlags_DisplayRGB\0ImGuiColorEditFlags_DisplayHSV\0ImGuiColorEditFlags_DisplayHex\0")
ImGui.SameLine(); HelpMarker("ColorEdit defaults to displaying RGB inputs if you don't specify a display mode, but the user can change it with a right-click on those inputs.\n\nColorPicker defaults to displaying RGB+HSV+Hex if you don't specify a display mode.\n\nYou can change the defaults using io.ConfigColorEditFlags.")
local flags = bit32.bor(base_flags, s.picker_flags)
if s.picker_mode == 1 then flags = bit32.bor(flags, CE.PickerHueBar) end
if s.picker_mode == 2 then flags = bit32.bor(flags, CE.PickerHueWheel) end
if s.display_mode == 1 then flags = bit32.bor(flags, CE.NoInputs) end
if s.display_mode == 2 then flags = bit32.bor(flags, CE.DisplayRGB) end
if s.display_mode == 3 then flags = bit32.bor(flags, CE.DisplayHSV) end
if s.display_mode == 4 then flags = bit32.bor(flags, CE.DisplayHex) end
ImGui.ColorPicker4("MyColor##4", color, flags, s.ref_color and s.ref_color_v or nil)
ImGui.Text("Set defaults in code:")
ImGui.SameLine(); HelpMarker("io.ConfigColorEditFlags is designed to allow you to set boot-time default.")
if ImGui.Button("Overwrite default: Uint8 + HSV + Hue Bar") then
ImGui.GetIO().ConfigColorEditFlags = bit32.bor(CE.Uint8, CE.DisplayHSV, CE.PickerHueBar, CE.InputRGB) -- [port] + InputRGB: upstream omits it and then trips its own InputMask_ assert
end
if ImGui.Button("Overwrite default: Float + HDR + Hue Wheel") then
ImGui.GetIO().ConfigColorEditFlags = bit32.bor(CE.Float, CE.HDR, CE.PickerHueWheel, CE.DisplayRGB, CE.InputRGB)
end
ImGui.Text("Both types:")
local w = (ImGui.GetContentRegionAvail().x - ImGui.GetStyle().ItemSpacing.y) * 0.40
ImGui.SetNextItemWidth(w)
ImGui.ColorPicker3("##MyColor##5", color, bit32.bor(CE.PickerHueBar, CE.NoSidePreview, CE.NoInputs, CE.NoAlpha))
ImGui.SameLine()
ImGui.SetNextItemWidth(w)
ImGui.ColorPicker3("##MyColor##6", color, bit32.bor(CE.PickerHueWheel, CE.NoSidePreview, CE.NoInputs, CE.NoAlpha))
ImGui.PopID()
ImGui.Spacing()
ImGui.Text("HSV encoded colors")
ImGui.SameLine(); HelpMarker("By default, colors are given to ColorEdit and ColorPicker in RGB, but ImGuiColorEditFlags_InputHSV allows you to store colors as HSV and pass them to ColorEdit and ColorPicker as HSV.")
ImGui.Text("Color widget with InputHSV:")
ImGui.ColorEdit4("HSV shown as RGB##1", s.hsv, bit32.bor(CE.DisplayRGB, CE.InputHSV, CE.Float))
ImGui.ColorEdit4("HSV shown as HSV##1", s.hsv, bit32.bor(CE.DisplayHSV, CE.InputHSV, CE.Float))
ImGui.DragFloat4("Raw HSV values", s.hsv, 0.01, 0.0, 1.0)
ImGui.TreePop()
end
S.combo = { flags = 0, sel = 0, filter = nil, c2 = 0, c3 = -1, c4 = 0 }
function DemoWindowWidgetsComboBoxes()
if not ImGui.TreeNode("Combo") then return end
local s = S.combo
local CF = ImGuiComboFlags
local p
_, s.flags = ImGui.CheckboxFlags("ImGuiComboFlags_PopupAlignLeft", s.flags, CF.PopupAlignLeft)
ImGui.SameLine(); HelpMarker("Only makes a difference if the popup is larger than the combo")
p, s.flags = ImGui.CheckboxFlags("ImGuiComboFlags_NoArrowButton", s.flags, CF.NoArrowButton)
if p then s.flags = bit32.band(s.flags, bit32.bnot(CF.NoPreview)) end
p, s.flags = ImGui.CheckboxFlags("ImGuiComboFlags_NoPreview", s.flags, CF.NoPreview)
if p then s.flags = bit32.band(s.flags, bit32.bnot(bit32.bor(CF.NoArrowButton, CF.WidthFitPreview))) end
p, s.flags = ImGui.CheckboxFlags("ImGuiComboFlags_WidthFitPreview", s.flags, CF.WidthFitPreview)
if p then s.flags = bit32.band(s.flags, bit32.bnot(CF.NoPreview)) end
for _, h in ipairs({ "HeightSmall", "HeightRegular", "HeightLargest" }) do
p, s.flags = ImGui.CheckboxFlags("ImGuiComboFlags_" .. h, s.flags, CF[h])
if p then s.flags = bit32.band(s.flags, bit32.bnot(bit32.band(CF.HeightMask_, bit32.bnot(CF[h])))) end
end
local items = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" }
local combo_preview_value = items[s.sel + 1]
if ImGui.BeginCombo("combo 1", combo_preview_value, s.flags) then
for n = 0, #items - 1 do
local is_selected = (s.sel == n)
if ImGui.Selectable(items[n + 1], is_selected) then s.sel = n end
if is_selected then ImGui.SetItemDefaultFocus() end
end
ImGui.EndCombo()
end
if ImGui.BeginCombo("combo 2 (w/ filter)", combo_preview_value, s.flags) then
s.filter = s.filter or ImGuiTextFilter()
if ImGui.IsWindowAppearing() then
ImGui.SetKeyboardFocusHere()
s.filter:Clear()
end
ImGui.SetNextItemShortcut(bit32.bor(ImGuiMod_Ctrl, ImGuiKey.F))
ImGui.SetNextItemWidth(-FLT_MIN)
s.filter:DrawWithHint("##Filter", "Filter (incl -excl)")
for n = 0, #items - 1 do
local is_selected = (s.sel == n)
if s.filter:PassFilter(items[n + 1]) then
if ImGui.Selectable(items[n + 1], is_selected) then s.sel = n end
end
end
ImGui.EndCombo()
end
ImGui.Spacing()
ImGui.SeparatorText("One-liner variants")
HelpMarker("The Combo() function is not greatly useful apart from cases were you want to embed all options in a single strings.\nFlags above don't apply to this section.")
s.c2 = ImGui.Combo("combo 3 (one-liner)", s.c2, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0")
s.c3 = ImGui.Combo("combo 4 (array)", s.c3, items, #items)
s.c4 = ImGui.Combo("combo 5 (function)", s.c4, function(data, n) return data[n + 1] end, items, #items)
ImGui.TreePop()
end
S.dt = { s8 = 127, u8 = 255, s16 = 32767, u16 = 65535, s32 = -1, u32 = 0xFFFFFFFF, s64 = -1, u64 = 0, f32 = 0.123, f64 = 90000.01234567890123456789,
drag_clamp = false, inputs_step = true, flags = 0 }
function DemoWindowWidgetsDataTypes()
if not ImGui.TreeNode("Data Types") then return end
local s = S.dt
local DT = ImGuiDataType
-- ponytail: Luau numbers are doubles, so S64/U64 are shown with S32/Double here (no 64-bit integer type)
local s32_min, s32_max = math.floor(-2147483648 / 2), math.floor(2147483647 / 2)
local u32_max = math.floor(4294967295 / 2)
local drag_speed = 0.2
ImGui.SeparatorText("Drags")
_, s.drag_clamp = ImGui.Checkbox("Clamp integers to 0..50", s.drag_clamp)
ImGui.SameLine(); HelpMarker("As with every widget in dear imgui, we never modify values unless there is a user interaction.\nYou can override the clamping limits by using Ctrl+Click to input a value.")
local lo, hi = s.drag_clamp and 0 or nil, s.drag_clamp and 50 or nil
s.s8 = ImGui.DragScalar("drag s8", DT.S8, s.s8, drag_speed, lo, hi)
s.u8 = ImGui.DragScalar("drag u8", DT.U8, s.u8, drag_speed, lo, hi, "%u ms")
s.s16 = ImGui.DragScalar("drag s16", DT.S16, s.s16, drag_speed, lo, hi)
s.u16 = ImGui.DragScalar("drag u16", DT.U16, s.u16, drag_speed, lo, hi, "%u ms")
s.s32 = ImGui.DragScalar("drag s32", DT.S32, s.s32, drag_speed, lo, hi)
s.s32 = ImGui.DragScalar("drag s32 hex", DT.S32, s.s32, drag_speed, lo, hi, "0x%08X")
s.u32 = ImGui.DragScalar("drag u32", DT.U32, s.u32, drag_speed, lo, hi, "%u ms")
s.f32 = ImGui.DragScalar("drag float", DT.Float, s.f32, 0.005, 0.0, 1.0, "%f")
s.f32 = ImGui.DragScalar("drag float log", DT.Float, s.f32, 0.005, 0.0, 1.0, "%f", ImGuiSliderFlags.Logarithmic)
s.f64 = ImGui.DragScalar("drag double", DT.Double, s.f64, 0.0005, 0.0, nil, "%.10f grams")
s.f64 = ImGui.DragScalar("drag double log",DT.Double, s.f64, 0.0005, 0.0, 1.0, "0 < %.10f < 1", ImGuiSliderFlags.Logarithmic)
ImGui.SeparatorText("Sliders")
s.s8 = ImGui.SliderScalar("slider s8 full", DT.S8, s.s8, -128, 127, "%d")
s.u8 = ImGui.SliderScalar("slider u8 full", DT.U8, s.u8, 0, 255, "%u")
s.s16 = ImGui.SliderScalar("slider s16 full", DT.S16, s.s16, -32768, 32767, "%d")
s.u16 = ImGui.SliderScalar("slider u16 full", DT.U16, s.u16, 0, 65535, "%u")
s.s32 = ImGui.SliderScalar("slider s32 low", DT.S32, s.s32, 0, 50, "%d")
s.s32 = ImGui.SliderScalar("slider s32 high", DT.S32, s.s32, s32_max - 100, s32_max, "%d")
s.s32 = ImGui.SliderScalar("slider s32 full", DT.S32, s.s32, s32_min, s32_max, "%d")
s.s32 = ImGui.SliderScalar("slider s32 hex", DT.S32, s.s32, 0, 50, "0x%04X")
s.u32 = ImGui.SliderScalar("slider u32 low", DT.U32, s.u32, 0, 50, "%u")
s.u32 = ImGui.SliderScalar("slider u32 high", DT.U32, s.u32, u32_max - 100, u32_max, "%u")
s.u32 = ImGui.SliderScalar("slider u32 full", DT.U32, s.u32, 0, u32_max, "%u")
s.f32 = ImGui.SliderScalar("slider float low", DT.Float, s.f32, 0.0, 1.0)
s.f32 = ImGui.SliderScalar("slider float low log", DT.Float, s.f32, 0.0, 1.0, "%.10f", ImGuiSliderFlags.Logarithmic)
s.f32 = ImGui.SliderScalar("slider float high", DT.Float, s.f32, -10000000000.0, 10000000000.0, "%e")
s.f64 = ImGui.SliderScalar("slider double low", DT.Double, s.f64, 0.0, 1.0, "%.10f grams")
s.f64 = ImGui.SliderScalar("slider double low log", DT.Double, s.f64, 0.0, 1.0, "%.10f", ImGuiSliderFlags.Logarithmic)
s.f64 = ImGui.SliderScalar("slider double high", DT.Double, s.f64, -1000000000000000.0, 1000000000000000.0, "%e grams")
ImGui.SeparatorText("Sliders (reverse)")
s.s8 = ImGui.SliderScalar("slider s8 reverse", DT.S8, s.s8, 127, -128, "%d")
s.u8 = ImGui.SliderScalar("slider u8 reverse", DT.U8, s.u8, 255, 0, "%u")
s.s32 = ImGui.SliderScalar("slider s32 reverse", DT.S32, s.s32, 50, 0, "%d")
s.u32 = ImGui.SliderScalar("slider u32 reverse", DT.U32, s.u32, 50, 0, "%u")
ImGui.SeparatorText("Inputs")
_, s.inputs_step = ImGui.Checkbox("Show step buttons", s.inputs_step)
_, s.flags = ImGui.CheckboxFlags("ImGuiInputTextFlags_ReadOnly", s.flags, ImGuiInputTextFlags.ReadOnly)
if ImGuiInputTextFlags.ParseEmptyRefVal then _, s.flags = ImGui.CheckboxFlags("ImGuiInputTextFlags_ParseEmptyRefVal", s.flags, ImGuiInputTextFlags.ParseEmptyRefVal) end
if ImGuiInputTextFlags.DisplayEmptyRefVal then _, s.flags = ImGui.CheckboxFlags("ImGuiInputTextFlags_DisplayEmptyRefVal", s.flags, ImGuiInputTextFlags.DisplayEmptyRefVal) end
local one = s.inputs_step and 1 or nil
s.s8 = ImGui.InputScalar("input s8", DT.S8, s.s8, one, nil, "%d", s.flags)
s.u8 = ImGui.InputScalar("input u8", DT.U8, s.u8, one, nil, "%u", s.flags)
s.s16 = ImGui.InputScalar("input s16", DT.S16, s.s16, one, nil, "%d", s.flags)
s.u16 = ImGui.InputScalar("input u16", DT.U16, s.u16, one, nil, "%u", s.flags)
s.s32 = ImGui.InputScalar("input s32", DT.S32, s.s32, one, nil, "%d", s.flags)
s.s32 = ImGui.InputScalar("input s32 hex", DT.S32, s.s32, one, nil, "%04X", s.flags)
s.u32 = ImGui.InputScalar("input u32", DT.U32, s.u32, one, nil, "%u", s.flags)
s.u32 = ImGui.InputScalar("input u32 hex", DT.U32, s.u32, one, nil, "%08X", s.flags)
s.f32 = ImGui.InputScalar("input float", DT.Float, s.f32, s.inputs_step and 1.0 or nil, nil, nil, s.flags)
s.f64 = ImGui.InputScalar("input double", DT.Double, s.f64, s.inputs_step and 1.0 or nil, nil, nil, s.flags)
ImGui.TreePop()
end
function DemoWindowWidgetsDisableBlocks(demo_data)
if not ImGui.TreeNode("Disable Blocks") then return end
_, demo_data.DisableSections = ImGui.Checkbox("Disable entire section above", demo_data.DisableSections)
ImGui.SameLine(); HelpMarker("Demonstrate using BeginDisabled()/EndDisabled() across other sections.")
ImGui.TreePop()
end
S.dnd = { col1 = { 1.0, 0.0, 0.2 }, col2 = { 0.4, 0.7, 0.0, 0.5 }, mode = 0,
names = { "Bobby", "Beatrice", "Betty", "Brianna", "Barry", "Bernard", "Bibi", "Blaine", "Bryn" },
item_names = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" }, col4 = ImVec4(1.0, 0.0, 0.2, 1.0) }
function DemoWindowWidgetsDragAndDrop()
if not ImGui.TreeNode("Drag and Drop") then return end
local s = S.dnd
if ImGui.TreeNode("Drag and drop in standard widgets") then
HelpMarker("You can drag from the color squares.")
ImGui.ColorEdit3("color 1", s.col1)
ImGui.ColorEdit4("color 2", s.col2)
ImGui.TreePop()
end
if ImGui.TreeNode("Drag and drop to copy/swap items") then
local Mode_Copy, Mode_Move, Mode_Swap = 0, 1, 2
if ImGui.RadioButtonEx("Copy", s.mode == Mode_Copy) then s.mode = Mode_Copy end ImGui.SameLine()
if ImGui.RadioButtonEx("Move", s.mode == Mode_Move) then s.mode = Mode_Move end ImGui.SameLine()
if ImGui.RadioButtonEx("Swap", s.mode == Mode_Swap) then s.mode = Mode_Swap end
local names = s.names
for n = 0, #names - 1 do
ImGui.PushID(n)
if n % 3 ~= 0 then ImGui.SameLine() end
ImGui.Button(names[n + 1], ImVec2(60, 60))
if ImGui.BeginDragDropSource(ImGuiDragDropFlags.None) then
ImGui.SetDragDropPayload("DND_DEMO_CELL", n, 4)
if s.mode == Mode_Copy then ImGui.Text("Copy %s", names[n + 1]) end
if s.mode == Mode_Move then ImGui.Text("Move %s", names[n + 1]) end
if s.mode == Mode_Swap then ImGui.Text("Swap %s", names[n + 1]) end
ImGui.EndDragDropSource()
end
if ImGui.BeginDragDropTarget() then
local payload = ImGui.AcceptDragDropPayload("DND_DEMO_CELL")
if payload then
local payload_n = payload.Data
if s.mode == Mode_Copy then names[n + 1] = names[payload_n + 1] end
if s.mode == Mode_Move then names[n + 1] = names[payload_n + 1]; names[payload_n + 1] = "" end
if s.mode == Mode_Swap then names[n + 1], names[payload_n + 1] = names[payload_n + 1], names[n + 1] end
end
ImGui.EndDragDropTarget()
end
ImGui.PopID()
end
ImGui.TreePop()
end
if ImGui.TreeNode("Drag to reorder items (simple)") then
ImGui.PushItemFlag(ImGuiItemFlags.AllowDuplicateId, true)
HelpMarker("We don't use the drag and drop api at all here! Instead we query when the item is held but not hovered, and order items accordingly.")
local item_names = s.item_names
for n = 1, #item_names do
local item = item_names[n]
ImGui.Selectable(item)
if ImGui.IsItemActive() and not ImGui.IsItemHovered() then
local n_next = n + ((ImGui.GetMouseDragDelta(0).y < 0.0) and -1 or 1)
if n_next >= 1 and n_next <= #item_names then
item_names[n] = item_names[n_next]
item_names[n_next] = item
ImGui.ResetMouseDragDelta()
end
end
end
ImGui.PopItemFlag()
ImGui.TreePop()
end
if ImGui.TreeNode("Tooltip at target location") then
for n = 0, 1 do
ImGui.Button((n == 1) and "drop here##1" or "drop here##0")
if ImGui.BeginDragDropTarget() then
local drop_target_flags = bit32.bor(ImGuiDragDropFlags.AcceptBeforeDelivery, ImGuiDragDropFlags.AcceptNoPreviewTooltip)
if ImGui.AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F, drop_target_flags) then
ImGui.SetMouseCursor(ImGuiMouseCursor.NotAllowed)
ImGui.SetTooltip("Cannot drop here!")
end
ImGui.EndDragDropTarget()
end
if n == 0 then ImGui.ColorButton("drag me", s.col4) end
end
ImGui.TreePop()
end
ImGui.TreePop()
end
S.ds = { flags = 0, drag_f = 0.5, drag_f4 = { 0, 0, 0, 0 }, drag_i = 50, slider_f = 0.5, slider_f4 = { 0, 0, 0, 0 }, slider_i = 50 }
function DemoWindowWidgetsDragsAndSliders()
if not ImGui.TreeNode("Drag/Slider Flags") then return end
local s = S.ds
local SF = ImGuiSliderFlags
local function F(name, help)
if SF[name] == nil then return end
_, s.flags = ImGui.CheckboxFlags("ImGuiSliderFlags_" .. name, s.flags, SF[name])
if help then ImGui.SameLine(); HelpMarker(help) end
end
F("AlwaysClamp")
F("ClampOnInput", "Clamp value to min/max bounds when input manually with Ctrl+Click. By default Ctrl+Click allows going out of bounds.")
F("ClampZeroRange", "Clamp even if min==max==0.0f. Otherwise DragXXX functions don't clamp.")
F("Logarithmic", "Enable logarithmic editing (more precision for small values).")
F("NoRoundToFormat", "Disable rounding underlying value to match precision of the format string (e.g. %.3f values are rounded to those 3 digits).")
F("NoInput", "Disable Ctrl+Click or Enter key allowing to input text directly into the widget.")
F("NoSpeedTweaks", "Disable keyboard modifiers altering tweak speed. Useful if you want to alter tweak speed yourself based on your own logic.")
F("WrapAround", "Enable wrapping around from max to min and from min to max (only supported by DragXXX() functions)")
F("ColorMarkers")
local flags = s.flags
ImGui.Text("Underlying float value: %f", s.drag_f)
s.drag_f = ImGui.DragFloat("DragFloat (0 -> 1)", s.drag_f, 0.005, 0.0, 1.0, "%.3f", flags)
s.drag_f = ImGui.DragFloat("DragFloat (0 -> +inf)", s.drag_f, 0.005, 0.0, FLT_MAX, "%.3f", flags)
s.drag_f = ImGui.DragFloat("DragFloat (-inf -> 1)", s.drag_f, 0.005, -FLT_MAX, 1.0, "%.3f", flags)
s.drag_f = ImGui.DragFloat("DragFloat (-inf -> +inf)", s.drag_f, 0.005, -FLT_MAX, FLT_MAX, "%.3f", flags)
s.drag_i = ImGui.DragInt("DragInt (0 -> 100)", s.drag_i, 0.5, 0, 100, "%d", flags)
ImGui.DragFloat4("DragFloat4 (0 -> 1)", s.drag_f4, 0.005, 0.0, 1.0, "%.3f", flags)
local flags_for_sliders = bit32.band(flags, bit32.bnot(SF.WrapAround))
ImGui.Text("Underlying float value: %f", s.slider_f)
s.slider_f = ImGui.SliderFloat("SliderFloat (0 -> 1)", s.slider_f, 0.0, 1.0, "%.3f", flags_for_sliders)
s.slider_i = ImGui.SliderInt("SliderInt (0 -> 100)", s.slider_i, 0, 100, "%d", flags_for_sliders)
ImGui.SliderFloat4("SliderFloat4 (0 -> 1)", s.slider_f4, 0.0, 1.0, "%.3f", flags_for_sliders)
ImGui.TreePop()
end
function DemoWindowWidgetsFonts()
if not ImGui.TreeNode("Fonts") then return end
if ImGui.ShowFontAtlas then ImGui.ShowFontAtlas(ImGui.GetIO().Fonts) else DemoNotPorted("ShowFontAtlas") end
ImGui.TreePop()
end
S.img = { viewer = nil, pressed_count = 0 }
function DemoWindowWidgetsImages()
if not ImGui.TreeNode("Images") then return end
local s = S.img
local io = ImGui.GetIO()
ImGui.TextWrapped("Below we are displaying the font texture (which is the only texture we have access to in this demo). Use the 'ImTextureID' type as storage to pass pointers or identifier to your own texture data. Hover the texture for a zoomed view!")
local atlas = io.Fonts
local my_tex_id = atlas.TexRef
local my_tex_w = atlas.TexData and atlas.TexData.Width or 0
local my_tex_h = atlas.TexData and atlas.TexData.Height or 0
ImGui.Text("%.0fx%.0f", my_tex_w, my_tex_h)
ImGui.SeparatorText("Image()/ImageWithBg() function")
ImGui.PushStyleVar(ImGuiStyleVar.ImageBorderSize, math.max(1.0, ImGui.GetStyle().ImageBorderSize))
ImGui.ImageWithBg(my_tex_id, ImVec2(my_tex_w, my_tex_h), ImVec2(0.0, 0.0), ImVec2(1.0, 1.0), ImVec4(0.0, 0.0, 0.0, 1.0))
ImGui.PopStyleVar()
ImGui.SeparatorText("Interactive Image Viewer")
s.viewer = s.viewer or ExampleImageViewerData()
local canvas_size = ImVec2(ImGui.GetContentRegionAvail().x, my_tex_h * 2.0)
ExampleImageViewer_DrawOptions(s.viewer)
ExampleImageViewer_DrawCanvas(s.viewer, canvas_size, my_tex_id, my_tex_w, my_tex_h)
ImGui.SeparatorText("Textured Buttons")
ImGui.TextWrapped("And now some textured buttons..")
for i = 0, 7 do
ImGui.PushID(i)
if i > 0 then ImGui.PushStyleVar(ImGuiStyleVar.FramePadding, ImVec2(i - 1.0, i - 1.0)) end
local size = ImVec2(32.0, 32.0)
local uv0 = ImVec2(0.0, 0.0)
local uv1 = ImVec2(32.0 / my_tex_w, 32.0 / my_tex_h)
if ImGui.ImageButton("", my_tex_id, size, uv0, uv1, ImVec4(0.0, 0.0, 0.0, 1.0), ImVec4(1.0, 1.0, 1.0, 1.0)) then
s.pressed_count = s.pressed_count + 1
end
if i > 0 then ImGui.PopStyleVar() end
ImGui.PopID()
ImGui.SameLine()
end
ImGui.NewLine()
ImGui.Text("Pressed %d times.", s.pressed_count)
ImGui.TreePop()
end
S.lb = { sel = 0, highlight = false }
function DemoWindowWidgetsListBoxes()
if not ImGui.TreeNode("List Boxes") then return end
local s = S.lb
local items = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO" }
local item_highlighted_idx = -1
_, s.highlight = ImGui.Checkbox("Highlight hovered item in second listbox", s.highlight)
if ImGui.BeginListBox("listbox 1") then
for n = 0, #items - 1 do
local is_selected = (s.sel == n)
if ImGui.Selectable(items[n + 1], is_selected) then s.sel = n end
if s.highlight and ImGui.IsItemHovered() then item_highlighted_idx = n end
if is_selected then ImGui.SetItemDefaultFocus() end
end
ImGui.EndListBox()
end
ImGui.SameLine(); HelpMarker("Here we are sharing selection state between both boxes.")
ImGui.Text("Full-width:")
if ImGui.BeginListBox("##listbox 2", ImVec2(-FLT_MIN, 5 * ImGui.GetTextLineHeightWithSpacing())) then
for n = 0, #items - 1 do
local is_selected = (s.sel == n)
local flags = (item_highlighted_idx == n) and ImGuiSelectableFlags.Highlight or 0
if ImGui.Selectable(items[n + 1], is_selected, flags) then s.sel = n end
if is_selected then ImGui.SetItemDefaultFocus() end
end
ImGui.EndListBox()
end
ImGui.TreePop()
end
S.le = { str = Buf("", 32), i = 0, f = 0.0 }
function DemoWindowWidgetsLiveEdit(demo_data)
if not ImGui.TreeNode("Live Edit Flags") then return end
local s = S.le
ImGui.TextWrapped("Select whether to apply keyboard edits to backing variables _while_ typing.")
_, demo_data.LiveEditOverride = ImGui.Checkbox("Override Live Edit Flags in Demo Window", demo_data.LiveEditOverride)
if not demo_data.LiveEditOverride then demo_data.LiveEditFlags = ImGui.GetItemFlags() end
ImGui.BeginDisabled(demo_data.LiveEditOverride == false)
ImGui.Indent()
_, demo_data.LiveEditFlags = ImGui.CheckboxFlags("ImGuiItemFlags_LiveEditOnInputText", demo_data.LiveEditFlags, ImGuiItemFlags.LiveEditOnInputText)
_, demo_data.LiveEditFlags = ImGui.CheckboxFlags("ImGuiItemFlags_LiveEditOnInputScalar", demo_data.LiveEditFlags, ImGuiItemFlags.LiveEditOnInputScalar)
ImGui.Unindent()
ImGui.EndDisabled()
ImGui.Text("Try typing '123' and seeing effect on backing value:")
ImGui.InputText("str", s.str, 32)
ImGui.Text("Backing value: \"%s\"", BufStr(s.str))
s.i = ImGui.InputInt("int", s.i, 0, 0)
ImGui.Text("Backing value: %d", s.i)
s.f = ImGui.SliderFloat("float", s.f, 0.0, 100.0)
ImGui.Text("Backing value: %f", s.f)
ImGui.TreePop()
end
S.mv = { use_liveedit = false, items = { 12.0, 0.0, 0.0 } }
function DemoWindowWidgetsMixedValues()
if not ImGui.TreeNode("Mixed Values") then return end
local s = S.mv
local items = s.items
HelpMarker("Using ImGuiItemFlags_MixedValue.")
_, s.use_liveedit = ImGui.Checkbox("ImGuiItemFlags_LiveEditOnInput", s.use_liveedit)
ImGui.SeparatorText("Scalar/Text Widgets")
local is_mixed = items[1] ~= items[2] or items[1] ~= items[3]
ImGui.PushItemFlag(ImGuiItemFlags.LiveEditOnInput, s.use_liveedit)
ImGui.PushItemFlag(ImGuiItemFlags.MixedValue, is_mixed)
local edited, e = false, false
items[1], e = ImGui.DragFloat("DragFloat", items[1]); edited = edited or e
items[1], e = ImGui.SliderFloat("SliderFloat", items[1], 0.0, 100.0); edited = edited or e
items[1], e = ImGui.InputFloat("InputFloat", items[1], 1.0); edited = edited or e
if edited then items[2] = items[1]; items[3] = items[1] end
ImGui.PopItemFlag()
ImGui.Text("Underlying data:")
items[1] = ImGui.InputFloat("item 0 (ref)", items[1])
items[2] = ImGui.InputFloat("item 1", items[2])
items[3] = ImGui.InputFloat("item 2", items[3])
ImGui.PopItemFlag()
ImGui.SeparatorText("Others Widgets")
ImGui.Text("(note: edits are not applied in this demo)")
ImGui.Checkbox("Checkbox On", true)
ImGui.Checkbox("Checkbox Off", false)
ImGui.PushItemFlag(ImGuiItemFlags.MixedValue, true)
ImGui.Checkbox("Checkbox Mixed", false)
ImGui.RadioButtonEx("RadioButton Mixed", true)
ImGui.SameLine()
ImGui.RadioButtonEx("RadioButton Mixed##2", true)
ImGui.Combo("Combo", 0, "One\0Two\0Three\0")
ImGui.ColorEdit4("ColorEdit4", ImVec4(0.5, 0.5, 0.5, 0.5))
ImGui.PopItemFlag()
ImGui.TreePop()
end
S.mc = { vec4f = { 0.10, 0.20, 0.30, 0.44 }, vec4i = { 1, 5, 100, 255 }, flags = 0, b = 10, e = 90, bi = 100, ei = 1000 }
function DemoWindowWidgetsMultiComponents()
if not ImGui.TreeNode("Multi-component Widgets") then return end
local s = S.mc
local f, i = s.vec4f, s.vec4i
if ImGuiSliderFlags.ColorMarkers then _, s.flags = ImGui.CheckboxFlags("ImGuiSliderFlags_ColorMarkers", s.flags, ImGuiSliderFlags.ColorMarkers) end
local flags = s.flags
for _, n in ipairs({ 2, 3, 4 }) do
ImGui.SeparatorText(n .. "-wide")
ImGui["InputFloat" .. n]("input float" .. n, f)
ImGui["InputInt" .. n]("input int" .. n, i)
ImGui["DragFloat" .. n]("drag float" .. n, f, 0.01, 0.0, 1.0, nil, flags)
ImGui["DragInt" .. n]("drag int" .. n, i, 1, 0, 255, nil, flags)
ImGui["SliderFloat" .. n]("slider float" .. n, f, 0.0, 1.0, nil, flags)
ImGui["SliderInt" .. n]("slider int" .. n, i, 0, 255, nil, flags)
end
ImGui.SeparatorText("Ranges")
s.b, s.e = ImGui.DragFloatRange2("range float", s.b, s.e, 0.25, 0.0, 100.0, "Min: %.1f %%", "Max: %.1f %%", ImGuiSliderFlags.AlwaysClamp)
s.bi, s.ei = ImGui.DragIntRange2("range int", s.bi, s.ei, 5, 0, 1000, "Min: %d units", "Max: %d units")
s.bi, s.ei = ImGui.DragIntRange2("range int (no bounds)", s.bi, s.ei, 5, 0, 0, "Min: %d units", "Max: %d units")
ImGui.TreePop()
end
S.plot = { animate = true, arr = { 0.6, 0.1, 1.0, 0.5, 0.92, 0.1, 0.2 }, values = {}, values_offset = 0, refresh_time = 0.0, phase = 0.0,
func_type = 0, display_count = 70 }
for n = 1, 90 do S.plot.values[n] = 0.0 end
function DemoWindowWidgetsPlotting()
if not ImGui.TreeNode("Plotting") then return end
local s = S.plot
ImGui.Text("Need better plotting and graphing? Consider using ImPlot:")
ImGui.TextLinkOpenURL("https://github.com/epezent/implot")
ImGui.Separator()
_, s.animate = ImGui.Checkbox("Animate", s.animate)
ImGui.PlotLines("Frame Times", s.arr, nil, #s.arr)
ImGui.PlotHistogram("Histogram", s.arr, nil, #s.arr, 0, nil, 0.0, 1.0, ImVec2(0, 80.0))
local values = s.values
if not s.animate or s.refresh_time == 0.0 then s.refresh_time = ImGui.GetTime() end
while s.refresh_time < ImGui.GetTime() do
values[s.values_offset + 1] = math.cos(s.phase)
s.values_offset = (s.values_offset + 1) % #values
s.phase = s.phase + 0.10 * s.values_offset
s.refresh_time = s.refresh_time + 1.0 / 60.0
end
local average = 0.0
for n = 1, #values do average = average + values[n] end
average = average / #values
ImGui.PlotLines("Lines", values, nil, #values, s.values_offset, string.format("avg %f", average), -1.0, 1.0, ImVec2(0, 80.0))
-- Getters receive a 1-based index in this port
local function Sin(_, i) return math.sin((i - 1) * 0.1) end
local function Saw(_, i) return ((i - 1) % 2 == 1) and 1.0 or -1.0 end
ImGui.SeparatorText("Functions")
ImGui.SetNextItemWidth(ImGui.GetFontSize() * 8)
s.func_type = ImGui.Combo("func", s.func_type, "Sin\0Saw\0")
ImGui.SameLine()
s.display_count = ImGui.SliderInt("Sample count", s.display_count, 1, 400)
local func = (s.func_type == 0) and Sin or Saw
ImGui.PlotLines("Lines##2", func, nil, s.display_count, 0, nil, -1.0, 1.0, ImVec2(0, 80))
ImGui.PlotHistogram("Histogram##2", func, nil, s.display_count, 0, nil, -1.0, 1.0, ImVec2(0, 80))
ImGui.TreePop()
end
S.pb = { accum = 0.0, dir = 1.0 }
function DemoWindowWidgetsProgressBars()
if not ImGui.TreeNode("Progress Bars") then return end
local s = S.pb
s.accum = s.accum + s.dir * 0.4 * ImGui.GetIO().DeltaTime
if s.accum >= 1.1 then s.accum = 1.1; s.dir = -s.dir end
if s.accum <= -0.1 then s.accum = -0.1; s.dir = -s.dir end
local progress = DemoClamp(s.accum, 0.0, 1.0)
ImGui.ProgressBar(progress, ImVec2(0.0, 0.0))
ImGui.SameLine(0.0, ImGui.GetStyle().ItemInnerSpacing.x)
ImGui.Text("Progress Bar")
ImGui.ProgressBar(progress, ImVec2(0.0, 0.0), string.format("%d/%d", math.floor(progress * 1753), 1753))
ImGui.ProgressBar(-1.0 * ImGui.GetTime(), ImVec2(0.0, 0.0), "Searching..")
ImGui.SameLine(0.0, ImGui.GetStyle().ItemInnerSpacing.x)
ImGui.Text("Indeterminate")
ImGui.TreePop()
end
-- Selectable(label, bool* p_selected) overload: toggles on press
local function SelectableP(label, sel, flags, size)
local pressed = ImGui.Selectable(label, sel, flags, size)
if pressed then sel = not sel end
return pressed, sel
end
local function B(v) return v and 1 or 0 end
S.qs = { item_type = 4, item_disabled = false, item_mixedvalue = false, liveedit_override = false, liveedit_flags = 0,
b = false, col4f = { 1.0, 0.5, 0.0, 1.0 }, str = Buf("", 16), combo = 1, listbox = 1, unused = Buf("", 1),
embed = false, test_window = false }
function DemoWindowWidgetsQueryingStatuses()
local s = S.qs
if ImGui.TreeNode("Querying Item Status (Edited/Active/Hovered etc.)") then
local item_names = { "Text", "Button", "Button (w/ repeat)", "Checkbox", "SliderFloat", "InputText", "InputTextMultiline", "InputFloat",
"InputFloat3", "ColorEdit4", "Selectable", "MenuItem", "TreeNode", "TreeNode (w/ double-click)", "Combo", "ListBox" }
s.item_type = ImGui.Combo("Item Type", s.item_type, item_names, #item_names, #item_names)
ImGui.SameLine()
HelpMarker("Testing how various types of items are interacting with the IsItemXXX functions. Note that the bool return value of most ImGui function is generally equivalent to calling ImGui::IsItemHovered().")
_, s.item_disabled = ImGui.Checkbox("Item Disabled", s.item_disabled)
_, s.item_mixedvalue = ImGui.Checkbox("Item MixedValue", s.item_mixedvalue)
_, s.liveedit_override = ImGui.Checkbox("Override LiveEdit:", s.liveedit_override)
ImGui.SameLine()
if not s.liveedit_override then s.liveedit_flags = ImGui.GetItemFlags() end
ImGui.BeginDisabled(s.liveedit_override == false)
_, s.liveedit_flags = ImGui.CheckboxFlags("_LiveEditOnInput", s.liveedit_flags, ImGuiItemFlags.LiveEditOnInput)
ImGui.SameLine()
_, s.liveedit_flags = ImGui.CheckboxFlags("_LiveEditOnInputText", s.liveedit_flags, ImGuiItemFlags.LiveEditOnInputText)
ImGui.SameLine()
_, s.liveedit_flags = ImGui.CheckboxFlags("_LiveEditOnInputScalar", s.liveedit_flags, ImGuiItemFlags.LiveEditOnInputScalar)
ImGui.EndDisabled()
if s.liveedit_override then
ImGui.PushItemFlag(ImGuiItemFlags.LiveEditOnInputText, bit32.band(s.liveedit_flags, ImGuiItemFlags.LiveEditOnInputText) ~= 0)
ImGui.PushItemFlag(ImGuiItemFlags.LiveEditOnInputScalar, bit32.band(s.liveedit_flags, ImGuiItemFlags.LiveEditOnInputScalar) ~= 0)
end
local ret = false
local t = s.item_type
if s.item_disabled then ImGui.BeginDisabled(true) end
if s.item_mixedvalue then ImGui.PushItemFlag(ImGuiItemFlags.MixedValue, true) end
if t == 0 then ImGui.Text("ITEM: Text") end
if t == 1 then ret = ImGui.Button("ITEM: Button") end
if t == 2 then ImGui.PushItemFlag(ImGuiItemFlags.ButtonRepeat, true); ret = ImGui.Button("ITEM: Button"); ImGui.PopItemFlag() end
if t == 3 then ret, s.b = ImGui.Checkbox("ITEM: Checkbox", s.b) end
if t == 4 then s.col4f[1], ret = ImGui.SliderFloat("ITEM: SliderFloat", s.col4f[1], 0.0, 1.0) end
if t == 5 then ret = ImGui.InputText("ITEM: InputText", s.str, 16) end
if t == 6 then ret = ImGui.InputTextMultiline("ITEM: InputTextMultiline", s.str, 16) end
if t == 7 then s.col4f[1], ret = ImGui.InputFloat("ITEM: InputFloat", s.col4f[1], 1.0) end
if t == 8 then ret = ImGui.InputFloat3("ITEM: InputFloat3", s.col4f) end
if t == 9 then ret = ImGui.ColorEdit4("ITEM: ColorEdit4", s.col4f) end
if t == 10 then ret = ImGui.Selectable("ITEM: Selectable") end
if t == 11 then ret = ImGui.MenuItem("ITEM: MenuItem") end
if t == 12 then ret = ImGui.TreeNode("ITEM: TreeNode"); if ret then ImGui.TreePop() end end
if t == 13 then ret = ImGui.TreeNodeEx("ITEM: TreeNode w/ ImGuiTreeNodeFlags_OpenOnDoubleClick", bit32.bor(ImGuiTreeNodeFlags.OpenOnDoubleClick, ImGuiTreeNodeFlags.NoTreePushOnOpen)) end
if t == 14 then s.combo, ret = ImGui.Combo("ITEM: Combo", s.combo, { "Apple", "Banana", "Cherry", "Kiwi" }) end
if t == 15 then s.listbox, ret = ImGui.ListBox("ITEM: ListBox", s.listbox, { "Apple", "Banana", "Cherry", "Kiwi" }, 4, 4) end
local HF = ImGuiHoveredFlags
local hovered_delay_none = ImGui.IsItemHovered()
local hovered_delay_stationary = ImGui.IsItemHovered(HF.Stationary)
local hovered_delay_short = ImGui.IsItemHovered(HF.DelayShort)
local hovered_delay_normal = ImGui.IsItemHovered(HF.DelayNormal)
local hovered_delay_tooltip = ImGui.IsItemHovered(HF.ForTooltip)
local rmin, rmax, rsize = ImGui.GetItemRectMin(), ImGui.GetItemRectMax(), ImGui.GetItemRectSize()
ImGui.BulletText(
"Return value = %d\nIsItemFocused() = %d\nIsItemHovered() = %d\nIsItemHovered(_AllowWhenBlockedByPopup) = %d\n" ..
"IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\nIsItemHovered(_AllowWhenOverlappedByItem) = %d\n" ..
"IsItemHovered(_AllowWhenOverlappedByWindow) = %d\nIsItemHovered(_AllowWhenDisabled) = %d\nIsItemHovered(_RectOnly) = %d\n" ..
"IsItemActive() = %d\nIsItemEdited() = %d\nIsItemActivated() = %d\nIsItemDeactivated() = %d\nIsItemDeactivatedAfterEdit() = %d\n" ..
"IsItemVisible() = %d\nIsItemClicked() = %d\nIsItemToggledOpen() = %d\n" ..
"GetItemRectMin() = (%.1f, %.1f)\nGetItemRectMax() = (%.1f, %.1f)\nGetItemRectSize() = (%.1f, %.1f)",
B(ret), B(ImGui.IsItemFocused()), B(ImGui.IsItemHovered()), B(ImGui.IsItemHovered(HF.AllowWhenBlockedByPopup)),
B(ImGui.IsItemHovered(HF.AllowWhenBlockedByActiveItem)), B(ImGui.IsItemHovered(HF.AllowWhenOverlappedByItem)),
B(ImGui.IsItemHovered(HF.AllowWhenOverlappedByWindow)), B(ImGui.IsItemHovered(HF.AllowWhenDisabled)), B(ImGui.IsItemHovered(HF.RectOnly)),
B(ImGui.IsItemActive()), B(ImGui.IsItemEdited()), B(ImGui.IsItemActivated()), B(ImGui.IsItemDeactivated()), B(ImGui.IsItemDeactivatedAfterEdit()),
B(ImGui.IsItemVisible()), B(ImGui.IsItemClicked()), B(ImGui.IsItemToggledOpen()),
rmin.x, rmin.y, rmax.x, rmax.y, rsize.x, rsize.y)
ImGui.BulletText(
"with Hovering Delay or Stationary test:\nIsItemHovered() = %d\nIsItemHovered(_Stationary) = %d\nIsItemHovered(_DelayShort) = %d\nIsItemHovered(_DelayNormal) = %d\nIsItemHovered(_Tooltip) = %d",
B(hovered_delay_none), B(hovered_delay_stationary), B(hovered_delay_short), B(hovered_delay_normal), B(hovered_delay_tooltip))
if s.liveedit_override then ImGui.PopItemFlag(); ImGui.PopItemFlag() end
if s.item_mixedvalue then ImGui.PopItemFlag() end
if s.item_disabled then ImGui.EndDisabled() end
ImGui.InputText("unused", s.unused, 1, ImGuiInputTextFlags.ReadOnly)
ImGui.SameLine()
HelpMarker("This widget is only here to be able to tab-out of the widgets above and see e.g. Deactivated() status.")
ImGui.TreePop()
end
if ImGui.TreeNode("Querying Window Status (Focused/Hovered etc.)") then
_, s.embed = ImGui.Checkbox("Embed everything inside a child window for testing _RootWindow flag.", s.embed)
if s.embed then ImGui.BeginChild("outer_child", ImVec2(0, ImGui.GetFontSize() * 20.0), ImGuiChildFlags.Borders) end
local FF, HF = ImGuiFocusedFlags, ImGuiHoveredFlags
local bor = bit32.bor
ImGui.BulletText(
"IsWindowFocused() = %d\nIsWindowFocused(_ChildWindows) = %d\nIsWindowFocused(_ChildWindows|_NoPopupHierarchy) = %d\n" ..
"IsWindowFocused(_ChildWindows|_DockHierarchy) = %d\nIsWindowFocused(_ChildWindows|_RootWindow) = %d\n" ..
"IsWindowFocused(_ChildWindows|_RootWindow|_NoPopupHierarchy) = %d\nIsWindowFocused(_ChildWindows|_RootWindow|_DockHierarchy) = %d\n" ..
"IsWindowFocused(_RootWindow) = %d\nIsWindowFocused(_RootWindow|_NoPopupHierarchy) = %d\nIsWindowFocused(_RootWindow|_DockHierarchy) = %d\n" ..
"IsWindowFocused(_AnyWindow) = %d\n",
B(ImGui.IsWindowFocused()), B(ImGui.IsWindowFocused(FF.ChildWindows)), B(ImGui.IsWindowFocused(bor(FF.ChildWindows, FF.NoPopupHierarchy))),
B(ImGui.IsWindowFocused(bor(FF.ChildWindows, FF.DockHierarchy))), B(ImGui.IsWindowFocused(bor(FF.ChildWindows, FF.RootWindow))),
B(ImGui.IsWindowFocused(bor(FF.ChildWindows, FF.RootWindow, FF.NoPopupHierarchy))), B(ImGui.IsWindowFocused(bor(FF.ChildWindows, FF.RootWindow, FF.DockHierarchy))),
B(ImGui.IsWindowFocused(FF.RootWindow)), B(ImGui.IsWindowFocused(bor(FF.RootWindow, FF.NoPopupHierarchy))), B(ImGui.IsWindowFocused(bor(FF.RootWindow, FF.DockHierarchy))),
B(ImGui.IsWindowFocused(FF.AnyWindow)))
ImGui.BulletText(
"IsWindowHovered() = %d\nIsWindowHovered(_AllowWhenBlockedByPopup) = %d\nIsWindowHovered(_AllowWhenBlockedByActiveItem) = %d\n" ..
"IsWindowHovered(_ChildWindows) = %d\nIsWindowHovered(_ChildWindows|_NoPopupHierarchy) = %d\nIsWindowHovered(_ChildWindows|_DockHierarchy) = %d\n" ..
"IsWindowHovered(_ChildWindows|_RootWindow) = %d\nIsWindowHovered(_ChildWindows|_RootWindow|_NoPopupHierarchy) = %d\n" ..
"IsWindowHovered(_ChildWindows|_RootWindow|_DockHierarchy) = %d\nIsWindowHovered(_RootWindow) = %d\nIsWindowHovered(_RootWindow|_NoPopupHierarchy) = %d\n" ..
"IsWindowHovered(_RootWindow|_DockHierarchy) = %d\nIsWindowHovered(_ChildWindows|_AllowWhenBlockedByPopup) = %d\nIsWindowHovered(_AnyWindow) = %d\n" ..
"IsWindowHovered(_Stationary) = %d\n",
B(ImGui.IsWindowHovered()), B(ImGui.IsWindowHovered(HF.AllowWhenBlockedByPopup)), B(ImGui.IsWindowHovered(HF.AllowWhenBlockedByActiveItem)),
B(ImGui.IsWindowHovered(HF.ChildWindows)), B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.NoPopupHierarchy))), B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.DockHierarchy))),
B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.RootWindow))), B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.RootWindow, HF.NoPopupHierarchy))),
B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.RootWindow, HF.DockHierarchy))), B(ImGui.IsWindowHovered(HF.RootWindow)), B(ImGui.IsWindowHovered(bor(HF.RootWindow, HF.NoPopupHierarchy))),
B(ImGui.IsWindowHovered(bor(HF.RootWindow, HF.DockHierarchy))), B(ImGui.IsWindowHovered(bor(HF.ChildWindows, HF.AllowWhenBlockedByPopup))), B(ImGui.IsWindowHovered(HF.AnyWindow)),
B(ImGui.IsWindowHovered(HF.Stationary)))
ImGui.BeginChild("child", ImVec2(0, 50), ImGuiChildFlags.Borders)
ImGui.Text("This is another child window for testing the _ChildWindows flag.")
ImGui.EndChild()
if s.embed then ImGui.EndChild() end
_, s.test_window = ImGui.Checkbox("Hovered/Active tests after Begin() for title bar testing", s.test_window)
if s.test_window then
s.test_window = ImGui.Begin("Title bar Hovered/Active tests", s.test_window)
if ImGui.BeginPopupContextItem() then
if ImGui.MenuItem("Close") then s.test_window = false end
ImGui.EndPopup()
end
ImGui.Text("IsItemHovered() after begin = %d (== is title bar hovered)\nIsItemActive() after begin = %d (== is window being clicked/moved)\n",
B(ImGui.IsItemHovered()), B(ImGui.IsItemActive()))
ImGui.End()
end
ImGui.TreePop()
end
end
S.sel = { basic = { false, true, false, false }, multi = { false, false, false }, checked = { false, false, false, false, false }, selected_n = 0,
tables = {}, grid = { { 1, 0, 0, 0 }, { 0, 1, 0, 0 }, { 0, 0, 1, 0 }, { 0, 0, 0, 1 } },
align = { true, false, true, false, true, false, true, false, true } }
for i = 1, 10 do S.sel.tables[i] = false end
function DemoWindowWidgetsSelectables()
if not ImGui.TreeNode("Selectables") then return end
local s = S.sel
if ImGui.TreeNode("Basic") then
local b = s.basic
_, b[1] = SelectableP("1. I am selectable", b[1])
_, b[2] = SelectableP("2. I am selectable", b[2])
_, b[3] = SelectableP("3. I am selectable", b[3])
if ImGui.Selectable("4. I am double clickable", b[4], ImGuiSelectableFlags.AllowDoubleClick) then
if ImGui.IsMouseDoubleClicked(0) then b[4] = not b[4] end
end
ImGui.TreePop()
end
if ImGui.TreeNode("Multiple items on the same line") then
local m = s.multi
ImGui.SetNextItemAllowOverlap(); _, m[1] = SelectableP("main.c", m[1]); ImGui.SameLine(); ImGui.SmallButton("Link 1")
ImGui.SetNextItemAllowOverlap(); _, m[2] = SelectableP("hello.cpp", m[2]); ImGui.SameLine(); ImGui.SmallButton("Link 2")
ImGui.SetNextItemAllowOverlap(); _, m[3] = SelectableP("hello.h", m[3]); ImGui.SameLine(); ImGui.SmallButton("Link 3")
ImGui.Spacing()
local color_marker_w = ImGui.CalcTextSize("x").x
for n = 0, 4 do
ImGui.PushID(n)
ImGui.AlignTextToFramePadding()
if ImGui.Selectable("##selectable", s.selected_n == n, ImGuiSelectableFlags.AllowOverlap) then s.selected_n = n end
ImGui.SameLine(0, 0)
_, s.checked[n + 1] = ImGui.Checkbox("##check", s.checked[n + 1])
ImGui.SameLine()
local color = ImVec4((n % 2 == 1) and 1.0 or 0.2, (math.floor(n / 2) % 2 == 1) and 1.0 or 0.2, 0.2, 1.0)
ImGui.ColorButton("##color", color, ImGuiColorEditFlags.NoTooltip, ImVec2(color_marker_w, 0))
ImGui.SameLine()
ImGui.Text("Some label")
ImGui.PopID()
end
ImGui.TreePop()
end
if ImGui.TreeNode("In Tables") then
local sel = s.tables
local TF = ImGuiTableFlags
if ImGui.BeginTable("split1", 3, bit32.bor(TF.Resizable, TF.NoSavedSettings, TF.Borders)) then
for i = 0, 9 do
ImGui.TableNextColumn()
_, sel[i + 1] = SelectableP(string.format("Item %d", i), sel[i + 1])
end
ImGui.EndTable()
end
ImGui.Spacing()
if ImGui.BeginTable("split2", 3, bit32.bor(TF.Resizable, TF.NoSavedSettings, TF.Borders)) then
for i = 0, 9 do
ImGui.TableNextRow()
ImGui.TableNextColumn()
_, sel[i + 1] = SelectableP(string.format("Item %d", i), sel[i + 1], ImGuiSelectableFlags.SpanAllColumns)
ImGui.TableNextColumn()
ImGui.Text("Some other contents")
ImGui.TableNextColumn()
ImGui.Text("123456")
end
ImGui.EndTable()
end
ImGui.TreePop()
end
if ImGui.TreeNode("Grid") then
local g = s.grid
local time = ImGui.GetTime()
local winning_state = true
for y = 1, 4 do for x = 1, 4 do if g[y][x] == 0 then winning_state = false end end end
if winning_state then
ImGui.PushStyleVar(ImGuiStyleVar.SelectableTextAlign, ImVec2(0.5 + 0.5 * math.cos(time * 2.0), 0.5 + 0.5 * math.sin(time * 3.0)))
end
local size = ImGui.CalcTextSize("Sailor").x
for y = 1, 4 do
for x = 1, 4 do
if x > 1 then ImGui.SameLine() end
ImGui.PushID((y - 1) * 4 + (x - 1))
if ImGui.Selectable("Sailor", g[y][x] ~= 0, 0, ImVec2(size, size)) then
g[y][x] = 1 - g[y][x]
if x > 1 then g[y][x - 1] = 1 - g[y][x - 1] end
if x < 4 then g[y][x + 1] = 1 - g[y][x + 1] end
if y > 1 then g[y - 1][x] = 1 - g[y - 1][x] end
if y < 4 then g[y + 1][x] = 1 - g[y + 1][x] end
end
ImGui.PopID()
end
end
if winning_state then ImGui.PopStyleVar() end
ImGui.TreePop()
end
if ImGui.TreeNode("Alignment") then
HelpMarker("By default, Selectables uses style.SelectableTextAlign but it can be overridden on a per-item basis using PushStyleVar(). You'll probably want to always keep your default situation to left-align otherwise it becomes difficult to layout multiple items on a same line")
local size = ImGui.CalcTextSize("(1.0,1.0)").x
for y = 0, 2 do
for x = 0, 2 do
local alignment = ImVec2(x / 2.0, y / 2.0)
local name = string.format("(%.1f,%.1f)", alignment.x, alignment.y)
if x > 0 then ImGui.SameLine() end
ImGui.PushStyleVar(ImGuiStyleVar.SelectableTextAlign, alignment)
_, s.align[3 * y + x + 1] = SelectableP(name, s.align[3 * y + x + 1], ImGuiSelectableFlags.None, ImVec2(size, size))
ImGui.PopStyleVar()
end
end
ImGui.TreePop()
end
ImGui.TreePop()
end
local function EditTabBarFittingPolicyFlags(flags)
local TB = ImGuiTabBarFlags
if bit32.band(flags, TB.FittingPolicyMask_) == 0 then flags = bit32.bor(flags, TB.FittingPolicyDefault_) end
for _, n in ipairs({ "FittingPolicyMixed", "FittingPolicyShrink", "FittingPolicyScroll" }) do
local p
p, flags = ImGui.CheckboxFlags("ImGuiTabBarFlags_" .. n, flags, TB[n])
if p then flags = bit32.band(flags, bit32.bnot(bit32.bxor(TB.FittingPolicyMask_, TB[n]))) end
end
return flags
end
S.tabs = { adv_flags = ImGuiTabBarFlags.Reorderable, opened = { true, true, true, true }, active_tabs = {}, next_tab_id = 0,
show_leading = true, show_trailing = true, show_lt_tabs = false,
tib_flags = bit32.bor(ImGuiTabBarFlags.AutoSelectNewTabs, ImGuiTabBarFlags.Reorderable, ImGuiTabBarFlags.FittingPolicyMixed) }
function DemoWindowWidgetsTabs()
if not ImGui.TreeNode("Tabs") then return end
local s = S.tabs
local TB, TI = ImGuiTabBarFlags, ImGuiTabItemFlags
if ImGui.TreeNode("Basic") then
if ImGui.BeginTabBar("MyTabBar", TB.None) then
if ImGui.BeginTabItem("Avocado") then ImGui.Text("This is the Avocado tab!\nblah blah blah blah blah"); ImGui.EndTabItem() end
if ImGui.BeginTabItem("Broccoli") then ImGui.Text("This is the Broccoli tab!\nblah blah blah blah blah"); ImGui.EndTabItem() end
if ImGui.BeginTabItem("Cucumber") then ImGui.Text("This is the Cucumber tab!\nblah blah blah blah blah"); ImGui.EndTabItem() end
ImGui.EndTabBar()
end
ImGui.Separator()
ImGui.TreePop()
end
if ImGui.TreeNode("Advanced & Close Button") then
for _, n in ipairs({ "Reorderable", "AutoSelectNewTabs", "TabListPopupButton", "NoCloseWithMiddleMouseButton", "DrawSelectedOverline" }) do
_, s.adv_flags = ImGui.CheckboxFlags("ImGuiTabBarFlags_" .. n, s.adv_flags, TB[n])
end
s.adv_flags = EditTabBarFittingPolicyFlags(s.adv_flags)
ImGui.AlignTextToFramePadding()
ImGui.Text("Opened:")
local names = { "Artichoke", "Beetroot", "Celery", "Daikon" }
for n = 1, 4 do
ImGui.SameLine()
_, s.opened[n] = ImGui.Checkbox(names[n], s.opened[n])
end
if ImGui.BeginTabBar("MyTabBar", s.adv_flags) then
for n = 1, 4 do
if s.opened[n] then
local visible
visible, s.opened[n] = ImGui.BeginTabItem(names[n], s.opened[n], TI.None)
if visible then
ImGui.Text("This is the %s tab!", names[n])
if (n - 1) % 2 == 1 then ImGui.Text("I am an odd tab.") end
ImGui.EndTabItem()
end
end
end
ImGui.EndTabBar()
end
ImGui.Separator()
ImGui.TreePop()
end
if ImGui.TreeNode("TabItemButton & Leading/Trailing flags") then
if s.next_tab_id == 0 then
for _ = 1, 3 do s.active_tabs[#s.active_tabs + 1] = s.next_tab_id; s.next_tab_id = s.next_tab_id + 1 end
end
_, s.show_leading = ImGui.Checkbox("Show Leading TabItemButton()", s.show_leading)
_, s.show_trailing = ImGui.Checkbox("Show Trailing TabItemButton()", s.show_trailing)
_, s.show_lt_tabs = ImGui.Checkbox("Show Leading+Trailing TabItem()", s.show_lt_tabs)
s.tib_flags = EditTabBarFittingPolicyFlags(s.tib_flags)
if ImGui.BeginTabBar("MyTabBar", s.tib_flags) then
if s.show_leading then
if ImGui.TabItemButton("?", bit32.bor(TI.Leading, TI.NoTooltip)) then ImGui.OpenPopup("MyHelpMenu") end
end
if ImGui.BeginPopup("MyHelpMenu") then
ImGui.Selectable("Hello!")
ImGui.EndPopup()
end
if s.show_lt_tabs then
if ImGui.BeginTabItem("Leading", nil, TI.Leading) then ImGui.EndTabItem() end
if ImGui.BeginTabItem("Trailing", nil, TI.Trailing) then ImGui.EndTabItem() end
end
if s.show_trailing then
if ImGui.TabItemButton("+", bit32.bor(TI.Trailing, TI.NoTooltip)) then
s.active_tabs[#s.active_tabs + 1] = s.next_tab_id; s.next_tab_id = s.next_tab_id + 1
end
end
local n = 1
while n <= #s.active_tabs do
local name = string.format("%04d", s.active_tabs[n])
local visible, open = ImGui.BeginTabItem(name, true, TI.None)
if visible then
ImGui.Text("This is the %s tab!", name)
ImGui.EndTabItem()
end
if open == false then table.remove(s.active_tabs, n) else n = n + 1 end
end
ImGui.EndTabBar()
end
ImGui.Separator()
ImGui.TreePop()
end
ImGui.TreePop()
end
S.text = { custom_size = 16.0, custom_scale = 1.0, wrap_width = 200.0, utf8 = Buf("\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e", 32) }
function DemoWindowWidgetsText()
if not ImGui.TreeNode("Text") then return end
local s = S.text
if ImGui.TreeNode("Colorful Text") then
ImGui.TextColored(ImVec4(1.0, 0.0, 1.0, 1.0), "Pink")
ImGui.TextColored(ImVec4(1.0, 1.0, 0.0, 1.0), "Yellow")
ImGui.TextDisabled("Disabled")
ImGui.SameLine(); HelpMarker("The TextDisabled color is stored in ImGuiStyle.")
ImGui.TreePop()
end
if ImGui.TreeNode("Font Size") then
local style = ImGui.GetStyle()
local global_scale = style.FontScaleMain * style.FontScaleDpi
ImGui.Text("style.FontScaleMain = %0.2f", style.FontScaleMain)
ImGui.Text("style.FontScaleDpi = %0.2f", style.FontScaleDpi)
ImGui.Text("global_scale = ~%0.2f", global_scale)
ImGui.Text("FontSize = %0.2f", ImGui.GetFontSize())
ImGui.SeparatorText("")
s.custom_size = ImGui.SliderFloat("custom_size", s.custom_size, 10.0, 100.0, "%.0f")
ImGui.Text("ImGui::PushFont(nullptr, custom_size);")
ImGui.PushFont(nil, s.custom_size)
ImGui.Text("FontSize = %.2f (== %.2f * global_scale)", ImGui.GetFontSize(), s.custom_size)
ImGui.PopFont()
ImGui.SeparatorText("")
s.custom_scale = ImGui.SliderFloat("custom_scale", s.custom_scale, 0.5, 4.0, "%.2f")
ImGui.Text("ImGui::PushFont(nullptr, style.FontSizeBase * custom_scale);")
ImGui.PushFont(nil, style.FontSizeBase * s.custom_scale)
ImGui.Text("FontSize = %.2f (== style.FontSizeBase * %.2f * global_scale)", ImGui.GetFontSize(), s.custom_scale)
ImGui.PopFont()
ImGui.SeparatorText("")
local scaling = 0.5
while scaling <= 4.0 do
ImGui.PushFont(nil, style.FontSizeBase * scaling)
ImGui.Text("FontSize = %.2f (== style.FontSizeBase * %.2f * global_scale)", ImGui.GetFontSize(), scaling)
ImGui.PopFont()
scaling = scaling + 0.5
end
ImGui.TreePop()
end
if ImGui.TreeNode("Word Wrapping") then
ImGui.TextWrapped("This text should automatically wrap on the edge of the window. The current implementation for text wrapping follows simple rules suitable for English and possibly other languages.")
ImGui.Spacing()
s.wrap_width = ImGui.SliderFloat("Wrap width", s.wrap_width, -20, 600, "%.0f")
local draw_list = ImGui.GetWindowDrawList()
for n = 0, 1 do
ImGui.Text("Test paragraph %d:", n)
local pos = ImGui.GetCursorScreenPos()
local marker_min = ImVec2(pos.x + s.wrap_width, pos.y)
local marker_max = ImVec2(pos.x + s.wrap_width + 10, pos.y + ImGui.GetTextLineHeight())
ImGui.PushTextWrapPos(ImGui.GetCursorPos().x + s.wrap_width)
if n == 0 then
ImGui.Text("The lazy dog is a good dog. This paragraph should fit within %.0f pixels. Testing a 1 character word. The quick brown fox jumps over the lazy dog.", s.wrap_width)
else
ImGui.Text("aaaaaaaa bbbbbbbb, c cccccccc,dddddddd. d eeeeeeee ffffffff. gggggggg!hhhhhhhh")
end
draw_list:AddRect(ImGui.GetItemRectMin(), ImGui.GetItemRectMax(), IM_COL32(255, 255, 0, 255))
draw_list:AddRectFilled(marker_min, marker_max, IM_COL32(255, 0, 255, 255))
ImGui.PopTextWrapPos()
end
ImGui.TreePop()
end
if ImGui.TreeNode("UTF-8 Text") then
ImGui.TextWrapped("CJK text will only appear if the font was loaded with the appropriate CJK character ranges. Call io.Fonts->AddFontFromFileTTF() manually to load extra character ranges. Read docs/FONTS.md for details.")
ImGui.Text("Hiragana: \xe3\x81\x8b\xe3\x81\x8d\xe3\x81\x8f\xe3\x81\x91\xe3\x81\x93 (kakikukeko)")
ImGui.Text("Kanjis: \xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e (nihongo)")
ImGui.InputText("UTF-8 input", s.utf8, 32)
ImGui.TreePop()
end
ImGui.TreePop()
end
S.tf = { filter = nil }
function DemoWindowWidgetsTextFilter()
if not ImGui.TreeNode("Text Filter") then return end
S.tf.filter = S.tf.filter or ImGuiTextFilter()
local filter = S.tf.filter
HelpMarker("Not a widget per-se, but ImGuiTextFilter is a helper to perform simple filtering on text strings.")
ImGui.Text("Filter usage:\n \"\" display all lines\n xxx display lines containing \"xxx\"\n xxx yyy display lines containing \"xxx\" and \"yyy\"\n \"xxx yyy\" display lines containing \"xxx yyy\"\n xxx,yyy display lines containing \"xxx\" or \"yyy\"\n -xxx hide lines containing \"xxx\"")
ImGui.SetNextItemWidth(-FLT_MIN)
filter:DrawWithHint("##Filter", "Filter (incl -excl)")
if ImGui.BeginChild("##items", ImVec2(-FLT_MIN, ImGui.GetTextLineHeightWithSpacing() * 15), ImGuiChildFlags.FrameStyle) then
for _, item in ipairs({ "aaa1.c", "bbb1.c", "ccc1.c", "aaa2.cpp", "bbb2.cpp", "ccc2.cpp", "abc.h", "hello, world" }) do
if filter:PassFilter(item) then ImGui.TextUnformatted(item) end
end
for _, item in ipairs(ExampleNames) do
if filter:PassFilter(item) then ImGui.TextUnformatted(item) end
end
end
ImGui.EndChild()
ImGui.TreePop()
end
S.ti = {
text = Buf("/*\n The Pentium F00F bug, shorthand for F0 0F C7 C8,\n the hexadecimal encoding of one offending instruction,\n more formally, the invalid operand with locked CMPXCHG8B\n instruction bug, is a design flaw in the majority of\n Intel Pentium, Pentium MMX, and Pentium OverDrive\n processors (all in the P5 microarchitecture).\n*/\n\nlabel:\n\tlock cmpxchg8b eax\n", 1024 * 16),
ml_flags = ImGuiInputTextFlags.AllowTabInput,
f = { Buf("", 32), Buf("", 32), Buf("", 32), Buf("", 32), Buf("", 32), Buf("", 32), Buf("", 32) },
password = Buf("password123", 64), cb1 = Buf("", 64), cb2 = Buf("", 64), cb3 = Buf("", 64), edit_count = { 0 },
rs_flags = 0, rs = Buf("", 1024),
elide = Buf("/path/to/some/folder/with/long/filename.cpp", 128), elide_flags = ImGuiInputTextFlags.ElideLeft,
misc = Buf("", 16), misc_flags = ImGuiInputTextFlags.EscapeClearsAll }
function DemoWindowWidgetsTextInput()
if not ImGui.TreeNode("Text Input") then return end
local s = S.ti
local IT = ImGuiInputTextFlags
local function FlagBox(key, name)
if IT[name] then _, s[key] = ImGui.CheckboxFlags("ImGuiInputTextFlags_" .. name, s[key], IT[name]) end
end
if ImGui.TreeNode("Multi-line Text Input") then
HelpMarker("You can use the ImGuiInputTextFlags_CallbackResize facility if you need to wire InputTextMultiline() to a dynamic string type.")
FlagBox("ml_flags", "ReadOnly")
FlagBox("ml_flags", "WordWrap")
ImGui.SameLine(); HelpMarker("Feature is currently in Beta. Please read comments in imgui.h")
FlagBox("ml_flags", "AllowTabInput")
ImGui.SameLine(); HelpMarker("When _AllowTabInput is set, passing through the widget with Tabbing doesn't automatically activate it, in order to also cycling through subsequent widgets.")
FlagBox("ml_flags", "CtrlEnterForNewLine")
ImGui.InputTextMultiline("##source", s.text, 1024 * 16, ImVec2(-FLT_MIN, ImGui.GetTextLineHeight() * 16), s.ml_flags)
ImGui.TreePop()
end
if ImGui.TreeNode("Filtered Text Input") then
local a, z, A, Z = string.byte("a"), string.byte("z"), string.byte("A"), string.byte("Z")
local function FilterCasingSwap(data)
local c = data.EventChar
if c >= a and c <= z then data.EventChar = c - (a - A)
elseif c >= A and c <= Z then data.EventChar = c + (a - A) end
return 0
end
local function FilterImGuiLetters(data)
local c = data.EventChar
if c < 256 and string.find("imgui", string.char(c), 1, true) then return 0 end
return 1
end
local f = s.f
ImGui.InputText("default", f[1], 32)
ImGui.InputText("decimal", f[2], 32, IT.CharsDecimal)
ImGui.InputText("hexadecimal", f[3], 32, bit32.bor(IT.CharsHexadecimal, IT.CharsUppercase))
ImGui.InputText("uppercase", f[4], 32, IT.CharsUppercase)
ImGui.InputText("no blank", f[5], 32, IT.CharsNoBlank)
ImGui.InputText("casing swap", f[6], 32, IT.CallbackCharFilter, FilterCasingSwap)
ImGui.InputText("\"imgui\"", f[7], 32, IT.CallbackCharFilter, FilterImGuiLetters)
ImGui.TreePop()
end
if ImGui.TreeNode("Password Input") then
ImGui.InputText("password", s.password, 64, IT.Password)
ImGui.SameLine(); HelpMarker("Display all characters as '*'.\nDisable clipboard cut and copy.\nDisable logging.\n")
ImGui.InputTextWithHint("password (w/ hint)", "<password>", s.password, 64, IT.Password)
ImGui.InputText("password (clear)", s.password, 64)
ImGui.TreePop()
end
if ImGui.TreeNode("Completion, History, Edit Callbacks") then
local function MyCallback(data)
if data.EventFlag == IT.CallbackCompletion then
data:InsertChars(data.CursorPos, "..")
elseif data.EventFlag == IT.CallbackHistory then
if data.EventKey == ImGuiKey.UpArrow then
data:DeleteChars(0, data.BufTextLen)
data:InsertChars(0, "Pressed Up!")
data:SelectAll()
elseif data.EventKey == ImGuiKey.DownArrow then
data:DeleteChars(0, data.BufTextLen)
data:InsertChars(0, "Pressed Down!")
data:SelectAll()
end
elseif data.EventFlag == IT.CallbackEdit then
local c = data.Buf[1]
if (c >= 97 and c <= 122) or (c >= 65 and c <= 90) then data.Buf[1] = bit32.bxor(c, 32) end
data.BufDirty = true
local p_int = data.UserData
p_int[1] = p_int[1] + 1
end
return 0
end
ImGui.InputText("Completion", s.cb1, 64, IT.CallbackCompletion, MyCallback)
ImGui.SameLine(); HelpMarker("Here we append \"..\" each time Tab is pressed. See 'Examples>Console' for a more meaningful demonstration of using this callback.")
ImGui.InputText("History", s.cb2, 64, IT.CallbackHistory, MyCallback)
ImGui.SameLine(); HelpMarker("Here we replace and select text each time Up/Down are pressed. See 'Examples>Console' for a more meaningful demonstration of using this callback.")
ImGui.InputText("Edit", s.cb3, 64, IT.CallbackEdit, MyCallback, s.edit_count)
ImGui.SameLine(); HelpMarker("Here we toggle the casing of the first character on every edit + count edits.")
ImGui.SameLine(); ImGui.Text("(%d)", s.edit_count[1])
ImGui.TreePop()
end
if ImGui.TreeNode("Resize Callback") then
HelpMarker("Using ImGuiInputTextFlags_CallbackResize to wire your custom string type to InputText().\n\n(Lua port: fixed 1024 byte buffer, CallbackResize growth not supported)")
FlagBox("rs_flags", "WordWrap")
ImGui.InputTextMultiline("##MyStr", s.rs, 1024, ImVec2(-FLT_MIN, ImGui.GetTextLineHeight() * 16), s.rs_flags)
ImGui.Text("Size: %d\nCapacity: %d", #BufStr(s.rs) + 1, 1024)
ImGui.TreePop()
end
if ImGui.TreeNode("Eliding, Alignment") then
FlagBox("elide_flags", "ElideLeft")
ImGui.InputText("Path", s.elide, 128, s.elide_flags)
ImGui.TreePop()
end
if ImGui.TreeNode("Miscellaneous") then
FlagBox("misc_flags", "EscapeClearsAll")
FlagBox("misc_flags", "ReadOnly")
FlagBox("misc_flags", "NoUndoRedo")
ImGui.InputText("Hello", s.misc, 16, s.misc_flags)
ImGui.TreePop()
end
ImGui.TreePop()
end
S.tt = { arr = { 0.6, 0.1, 1.0, 0.5, 0.92, 0.1, 0.2 }, always_on = 0 }
function DemoWindowWidgetsTooltips()
if not ImGui.TreeNode("Tooltips") then return end
local s = S.tt
local HF = ImGuiHoveredFlags
ImGui.SeparatorText("General")
HelpMarker("Tooltip are typically created by using a IsItemHovered() + SetTooltip() sequence.\n\nWe provide a helper SetItemTooltip() function to perform the two with standards flags.")
local sz = ImVec2(-FLT_MIN, 0.0)
ImGui.Button("Basic", sz)
ImGui.SetItemTooltip("I am a tooltip")
ImGui.Button("Fancy", sz)
if ImGui.BeginItemTooltip() then
ImGui.Text("I am a fancy tooltip")
ImGui.PlotLines("Curve", s.arr, nil, #s.arr)
ImGui.Text("Sin(time) = %f", math.sin(ImGui.GetTime()))
ImGui.EndTooltip()
end
ImGui.SeparatorText("Always On")
_, s.always_on = ImGui.RadioButton("Off", s.always_on, 0)
ImGui.SameLine()
_, s.always_on = ImGui.RadioButton("Always On (Simple)", s.always_on, 1)
ImGui.SameLine()
_, s.always_on = ImGui.RadioButton("Always On (Advanced)", s.always_on, 2)
if s.always_on == 1 then
ImGui.SetTooltip("I am following you around.")
elseif s.always_on == 2 and ImGui.BeginTooltip() then
ImGui.ProgressBar(math.sin(ImGui.GetTime()) * 0.5 + 0.5, ImVec2(ImGui.GetFontSize() * 25, 0.0))
ImGui.EndTooltip()
end
ImGui.SeparatorText("Custom")
HelpMarker("Passing ImGuiHoveredFlags_ForTooltip to IsItemHovered() is the preferred way to standardize tooltip activation details across your application. You may however decide to use custom flags for a specific tooltip instance.")
ImGui.Button("Manual", sz)
if ImGui.IsItemHovered(HF.ForTooltip) then ImGui.SetTooltip("I am a manually emitted tooltip.") end
ImGui.Button("DelayNone", sz)
if ImGui.IsItemHovered(HF.DelayNone) then ImGui.SetTooltip("I am a tooltip with no delay.") end
ImGui.Button("DelayShort", sz)
if ImGui.IsItemHovered(bit32.bor(HF.DelayShort, HF.NoSharedDelay)) then ImGui.SetTooltip("I am a tooltip with a short delay (%0.2f sec).", ImGui.GetStyle().HoverDelayShort) end
ImGui.Button("DelayLong", sz)
if ImGui.IsItemHovered(bit32.bor(HF.DelayNormal, HF.NoSharedDelay)) then ImGui.SetTooltip("I am a tooltip with a long delay (%0.2f sec).", ImGui.GetStyle().HoverDelayNormal) end
ImGui.Button("Stationary", sz)
if ImGui.IsItemHovered(HF.Stationary) then ImGui.SetTooltip("I am a tooltip requiring mouse to be stationary before activating.") end
ImGui.BeginDisabled()
ImGui.Button("Disabled item", sz)
if ImGui.IsItemHovered(HF.ForTooltip) then ImGui.SetTooltip("I am a tooltip for a disabled item.") end
ImGui.EndDisabled()
ImGui.TreePop()
end
S.tn = { lines_flags = bit32.bor(ImGuiTreeNodeFlags.DrawLinesFull, ImGuiTreeNodeFlags.DefaultOpen), selection_mask = 0,
adv_flags = bit32.bor(ImGuiTreeNodeFlags.OpenOnArrow, ImGuiTreeNodeFlags.OpenOnDoubleClick, ImGuiTreeNodeFlags.SpanAvailWidth),
align_label = false, use_dnd = false }
function DemoWindowWidgetsTreeNodes()
if not ImGui.TreeNode("Tree Nodes") then return end
local s = S.tn
local TN = ImGuiTreeNodeFlags
if ImGui.TreeNode("Basic Trees") then
for i = 0, 4 do
if i == 0 then ImGui.SetNextItemOpen(true, ImGuiCond.Once) end
ImGui.PushID(i)
if ImGui.TreeNode("", "Child %d", i) then
ImGui.Text("blah blah")
ImGui.SameLine()
if ImGui.SmallButton("button") then end
ImGui.TreePop()
end
ImGui.PopID()
end
ImGui.TreePop()
end
if ImGui.TreeNode("Hierarchy Lines") then
HelpMarker("Default option for DrawLinesXXX is stored in style.TreeLinesFlags")
_, s.lines_flags = ImGui.CheckboxFlags("ImGuiTreeNodeFlags_DrawLinesNone", s.lines_flags, TN.DrawLinesNone)
_, s.lines_flags = ImGui.CheckboxFlags("ImGuiTreeNodeFlags_DrawLinesFull", s.lines_flags, TN.DrawLinesFull)
_, s.lines_flags = ImGui.CheckboxFlags("ImGuiTreeNodeFlags_DrawLinesToNodes", s.lines_flags, TN.DrawLinesToNodes)
local f = s.lines_flags
if ImGui.TreeNodeEx("Parent", f) then
if ImGui.TreeNodeEx("Child 1", f) then ImGui.Button("Button for Child 1"); ImGui.TreePop() end
if ImGui.TreeNodeEx("Child 2", f) then ImGui.Button("Button for Child 2"); ImGui.TreePop() end
ImGui.Text("Remaining contents")
ImGui.Text("Remaining contents")
ImGui.TreePop()
end
ImGui.TreePop()
end
if ImGui.TreeNode("Clipping Large Trees") then
ImGui.TextWrapped("- Using ImGuiListClipper with trees is a less easy than on arrays or grids.\n- Refer to 'Demo->Examples->Property Editor' for an example of how to do that.\n- Discuss in #3823")
ImGui.TreePop()
end
if ImGui.TreeNode("Selectable Nodes") then
HelpMarker("Manually implemented selectable nodes.\nClick to select, Ctrl+Click to toggle, click on arrows or double-click to open.")
local node_clicked_idx = -1
for node_n = 0, 5 do
local flags = bit32.bor(TN.OpenOnArrow, TN.OpenOnDoubleClick, TN.SpanAvailWidth)
if bit32.band(s.selection_mask, bit32.lshift(1, node_n)) ~= 0 then flags = bit32.bor(flags, TN.Selected) end
local is_open = ImGui.TreeNodeEx(node_n, flags, "Selectable Node %d", node_n)
if ImGui.IsItemClicked() and not ImGui.IsItemToggledOpen() then node_clicked_idx = node_n end
if is_open then
ImGui.BulletText("<Node contents here>")
ImGui.TreePop()
end
end
if node_clicked_idx ~= -1 then
if ImGui.GetIO().KeyCtrl then
s.selection_mask = bit32.bxor(s.selection_mask, bit32.lshift(1, node_clicked_idx))
else
s.selection_mask = bit32.lshift(1, node_clicked_idx)
end
end
ImGui.TreePop()
end
if ImGui.TreeNode("Advanced") then
local function FB(name, help)
_, s.adv_flags = ImGui.CheckboxFlags("ImGuiTreeNodeFlags_" .. name, s.adv_flags, TN[name])
if help then ImGui.SameLine(); HelpMarker(help) end
end
FB("OpenOnArrow"); FB("OpenOnDoubleClick")
FB("SpanAvailWidth", "Extend hit area to all available width instead of allowing more items to be laid out after the node.")
FB("SpanFullWidth")
FB("SpanLabelWidth", "Reduce hit area to the text label and a bit of margin.")
FB("SpanAllColumns", "For use in Tables only.")
FB("AllowOverlap")
FB("Framed", "Draw frame with background (e.g. for CollapsingHeader)")
FB("FramePadding"); FB("NavLeftJumpsToParent")
HelpMarker("Default option for DrawLinesXXX is stored in style.TreeLinesFlags")
FB("DrawLinesNone"); FB("DrawLinesFull"); FB("DrawLinesToNodes")
_, s.align_label = ImGui.Checkbox("Align label with current X position", s.align_label)
_, s.use_dnd = ImGui.Checkbox("Make Tree Nodes as drag & drop sources", s.use_dnd)
if s.align_label then ImGui.Unindent(ImGui.GetTreeNodeToLabelSpacing()) end
for node_n = 0, 5 do
local node_flags = s.adv_flags
if node_n < 3 then
local is_open = ImGui.TreeNodeEx(node_n, node_flags, "Selectable Node %d", node_n)
if s.use_dnd and ImGui.BeginDragDropSource() then
ImGui.SetDragDropPayload("MY_TREENODE_PAYLOAD_TYPE", nil, 0)
ImGui.Text("This is a drag and drop source")
ImGui.EndDragDropSource()
end
if node_n == 2 and bit32.band(s.adv_flags, TN.SpanLabelWidth) ~= 0 then
ImGui.SameLine()
if ImGui.SmallButton("button") then end
end
if is_open then
ImGui.BulletText("Blah blah\nBlah Blah")
ImGui.SameLine()
ImGui.SmallButton("Button")
ImGui.TreePop()
end
else
node_flags = bit32.bor(node_flags, TN.Leaf, TN.NoTreePushOnOpen)
ImGui.TreeNodeEx(node_n, node_flags, "Selectable Leaf %d", node_n)
if s.use_dnd and ImGui.BeginDragDropSource() then
ImGui.SetDragDropPayload("MY_TREENODE_PAYLOAD_TYPE", nil, 0)
ImGui.Text("This is a drag and drop source")
ImGui.EndDragDropSource()
end
end
end
if s.align_label then ImGui.Indent(ImGui.GetTreeNodeToLabelSpacing()) end
ImGui.TreePop()
end
ImGui.TreePop()
end
S.vs = { int_value = 0, values = { 0.0, 0.60, 0.35, 0.9, 0.70, 0.20, 0.0 }, values2 = { 0.20, 0.80, 0.40, 0.25 } }
function DemoWindowWidgetsVerticalSliders()
if not ImGui.TreeNode("Vertical Sliders") then return end
local s = S.vs
local spacing = 4
ImGui.PushStyleVar(ImGuiStyleVar.ItemSpacing, ImVec2(spacing, spacing))
s.int_value = ImGui.VSliderInt("##int", ImVec2(18, 160), s.int_value, 0, 5)
ImGui.SameLine()
local values = s.values
ImGui.PushID("set1")
for i = 0, 6 do
if i > 0 then ImGui.SameLine() end
ImGui.PushID(i)
ImGui.PushStyleColor(ImGuiCol.FrameBg, HSV(i / 7.0, 0.5, 0.5))
ImGui.PushStyleColor(ImGuiCol.FrameBgHovered, HSV(i / 7.0, 0.6, 0.5))
ImGui.PushStyleColor(ImGuiCol.FrameBgActive, HSV(i / 7.0, 0.7, 0.5))
ImGui.PushStyleColor(ImGuiCol.SliderGrab, HSV(i / 7.0, 0.9, 0.9))
values[i + 1] = ImGui.VSliderFloat("##v", ImVec2(18, 160), values[i + 1], 0.0, 1.0, "")
if ImGui.IsItemActive() or ImGui.IsItemHovered() then ImGui.SetTooltip("%.3f", values[i + 1]) end
ImGui.PopStyleColor(4)
ImGui.PopID()
end
ImGui.PopID()
ImGui.SameLine()
ImGui.PushID("set2")
local rows = 3
local small_slider_size = ImVec2(18, math.floor((160.0 - (rows - 1) * spacing) / rows))
for nx = 0, 3 do
if nx > 0 then ImGui.SameLine() end
ImGui.BeginGroup()
for ny = 0, rows - 1 do
ImGui.PushID(nx * rows + ny)
s.values2[nx + 1] = ImGui.VSliderFloat("##v", small_slider_size, s.values2[nx + 1], 0.0, 1.0, "")
if ImGui.IsItemActive() or ImGui.IsItemHovered() then ImGui.SetTooltip("%.3f", s.values2[nx + 1]) end
ImGui.PopID()
end
ImGui.EndGroup()
end
ImGui.PopID()
ImGui.SameLine()
ImGui.PushID("set3")
for i = 0, 3 do
if i > 0 then ImGui.SameLine() end
ImGui.PushID(i)
ImGui.PushStyleVar(ImGuiStyleVar.GrabMinSize, 40)
values[i + 1] = ImGui.VSliderFloat("##v", ImVec2(40, 160), values[i + 1], 0.0, 1.0, "%.2f\nsec")
ImGui.PopStyleVar()
ImGui.PopID()
end
ImGui.PopID()
ImGui.PopStyleVar()
ImGui.TreePop()
end
----------------------------------------------------------------
-- [SECTION] Example App: Main Menu Bar / ShowExampleAppMainMenuBar()
----------------------------------------------------------------
S.menu = { enabled = true, f = 0.5, n = 0, b = true }
function ShowExampleMenuFile()
local s = S.menu
ImGui.MenuItem("(demo menu)", nil, false, false)
if ImGui.MenuItem("New") then end
if ImGui.MenuItem("Open", "Ctrl+O") then end
if ImGui.BeginMenu("Open Recent") then
ImGui.MenuItem("fish_hat.c")
ImGui.MenuItem("fish_hat.inl")
ImGui.MenuItem("fish_hat.h")
if ImGui.BeginMenu("More..") then
ImGui.MenuItem("Hello")
ImGui.MenuItem("Sailor")
if ImGui.BeginMenu("Recurse..") then
ShowExampleMenuFile()
ImGui.EndMenu()
end
ImGui.EndMenu()
end
ImGui.EndMenu()
end
if ImGui.MenuItem("Save", "Ctrl+S") then end
if ImGui.MenuItem("Save As..") then end
ImGui.Separator()
if ImGui.BeginMenu("Options") then
_, s.enabled = ImGui.MenuItem("Enabled", "", s.enabled)
ImGui.BeginChild("child", ImVec2(0, ImGui.GetTextLineHeightWithSpacing() * 5.0), ImGuiChildFlags.Borders)
for i = 0, 9 do ImGui.Text("Scrolling Text %d", i) end
ImGui.EndChild()
s.f = ImGui.SliderFloat("Value", s.f, 0.0, 1.0)
s.f = ImGui.InputFloat("Input", s.f, 0.1)
s.n = ImGui.Combo("Combo", s.n, "Yes\0No\0Maybe\0\0")
ImGui.EndMenu()
end
if ImGui.BeginMenu("Colors") then
local sz = ImGui.GetTextLineHeight()
for i = 0, ImGuiCol.COUNT - 1 do
local name = ImGui.GetStyleColorName(i)
local p = ImGui.GetCursorScreenPos()
ImGui.GetWindowDrawList():AddRectFilled(p, ImVec2(p.x + sz, p.y + sz), ImGui.GetColorU32(i))
ImGui.Dummy(ImVec2(sz, sz))
ImGui.SameLine()
ImGui.MenuItem(name)
end
ImGui.EndMenu()
end
-- Here we demonstrate appending again to the "Options" menu (which we already created above)
if ImGui.BeginMenu("Options") then
_, s.b = ImGui.Checkbox("SomeOption", s.b)
ImGui.EndMenu()
end
if ImGui.BeginMenu("Disabled", false) then
IM_ASSERT(false)
end
if ImGui.MenuItem("Checked", nil, true) then end
ImGui.Separator()
if ImGui.MenuItem("Quit", "Alt+F4") then end
end
function ShowExampleAppMainMenuBar()
if ImGui.BeginMainMenuBar() then
if ImGui.BeginMenu("File") then
ShowExampleMenuFile()
ImGui.EndMenu()
end
if ImGui.BeginMenu("Edit") then
if ImGui.MenuItem("Undo", "Ctrl+Z") then end
if ImGui.MenuItem("Redo", "Ctrl+Y", false, false) then end
ImGui.Separator()
if ImGui.MenuItem("Cut", "Ctrl+X") then end
if ImGui.MenuItem("Copy", "Ctrl+C") then end
if ImGui.MenuItem("Paste", "Ctrl+V") then end
ImGui.EndMenu()
end
ImGui.EndMainMenuBar()
end
end
----------------------------------------------------------------
-- [SECTION] Style Editor / ShowStyleEditor()
----------------------------------------------------------------
-- Deep copy of an ImGuiStyle (ImVec2/ImVec4 fields and Colors[] are copied by value)
local function StyleCopy(dst, src)
for k, v in pairs(src) do
if k == "Colors" then
dst.Colors = dst.Colors or {}
for i, c in pairs(v) do
if type(c) == "table" then dst.Colors[i] = dst.Colors[i] or ImVec4(); ImVec4_Copy(dst.Colors[i], c) else dst.Colors[i] = c end
end
elseif type(v) == "table" and getmetatable(v) ~= nil and type(v[1]) == "number" then
local c = dst[k]
if type(c) ~= "table" then c = setmetatable({}, getmetatable(v)); dst[k] = c end
for _, key in ipairs({ "x", "y", "z", "w" }) do if rawget(v, key) ~= nil then c[key] = v[key] end end
else
dst[k] = v
end
end
if getmetatable(dst) == nil then setmetatable(dst, getmetatable(src)) end
return dst
end
local function ColorsEqual(a, b) return a[1] == b[1] and a[2] == b[2] and a[3] == b[3] and a[4] == b[4] end
S.ss = { style_idx = -1 }
function ImGui.ShowStyleSelector(label)
local s = S.ss
local style_names = { "Dark", "Light", "Classic" }
local ret = false
if ImGui.BeginCombo(label, style_names[s.style_idx + 1] or "") then
for n = 0, 2 do
if ImGui.Selectable(style_names[n + 1], s.style_idx == n, ImGuiSelectableFlags.SelectOnNav) then
s.style_idx = n
ret = true
if n == 0 then ImGui.StyleColorsDark() elseif n == 1 then ImGui.StyleColorsLight() else ImGui.StyleColorsClassic() end
elseif s.style_idx == n then
ImGui.SetItemDefaultFocus()
end
end
ImGui.EndCombo()
end
return ret
end
local function GetTreeLinesFlagsName(flags)
local TN = ImGuiTreeNodeFlags
if flags == TN.DrawLinesNone then return "DrawLinesNone" end
if flags == TN.DrawLinesFull then return "DrawLinesFull" end
if flags == TN.DrawLinesToNodes then return "DrawLinesToNodes" end
return ""
end
S.se = { ref_saved_style = nil, init = true, output_dest = 0, output_only_modified = true, alpha_flags = 0, filter = nil }
function ImGui.ShowStyleEditor(ref)
local se = S.se
local style = ImGui.GetStyle()
if se.ref_saved_style == nil then se.ref_saved_style = {} end
if se.init and ref == nil then StyleCopy(se.ref_saved_style, style) end
se.init = false
if ref == nil then ref = se.ref_saved_style end
local default_border_size = math.floor(style._MainScale or 1.0)
local max_border_size = math.max(default_border_size, 2.0)
local function SF(name, mn, mx, fmt) if style[name] ~= nil then style[name] = ImGui.SliderFloat(name, style[name], mn, mx, fmt or "%.0f") end end
local function SF2(name, mn, mx, fmt) if style[name] ~= nil then ImGui.SliderFloat2(name, style[name], mn, mx, fmt or "%.0f") end end
local function DF(name, speed, mn, mx, fmt, flags) if style[name] ~= nil then style[name] = ImGui.DragFloat(name, style[name], speed, mn, mx, fmt or "%.0f", flags) end end
ImGui.PushItemWidth(ImGui.GetWindowWidth() * 0.50)
ImGui.SeparatorText("General")
if bit32.band(ImGui.GetIO().BackendFlags, ImGuiBackendFlags.RendererHasTextures) == 0 then
ImGui.BulletText("Warning: Font scaling will NOT be smooth, because\nImGuiBackendFlags_RendererHasTextures is not set!")
ImGui.BulletText("For instructions, see:")
ImGui.SameLine()
ImGui.TextLinkOpenURL("docs/BACKENDS.md", "https://github.com/ocornut/imgui/blob/master/docs/BACKENDS.md")
end
if ImGui.ShowStyleSelector("Colors##Selector") then StyleCopy(se.ref_saved_style, style) end
if ImGui.ShowFontSelector then ImGui.ShowFontSelector("Fonts##Selector") end
local changed
style.FontSizeBase, changed = ImGui.DragFloat("FontSizeBase", style.FontSizeBase, 0.20, 5.0, 100.0, "%.0f")
if changed then style._NextFrameFontSizeBase = style.FontSizeBase end
ImGui.SameLine(0.0, 0.0); ImGui.Text(" (out %.2f)", ImGui.GetFontSize())
style.FontScaleMain = ImGui.DragFloat("FontScaleMain", style.FontScaleMain, 0.02, 0.5, 4.0)
ImGui.BeginDisabled(ImGui.GetIO().ConfigDpiScaleFonts == true)
style.FontScaleDpi = ImGui.DragFloat("FontScaleDpi", style.FontScaleDpi, 0.02, 0.5, 4.0)
ImGui.SetItemTooltip("When io.ConfigDpiScaleFonts is set, this value is automatically overwritten.")
ImGui.EndDisabled()
style.FrameRounding, changed = ImGui.SliderFloat("FrameRounding", style.FrameRounding, 0.0, 12.0, "%.0f")
if changed then style.GrabRounding = style.FrameRounding end
local p, border
p, border = ImGui.Checkbox("WindowBorder", style.WindowBorderSize > 0.0); if p then style.WindowBorderSize = border and default_border_size or 0.0 end
ImGui.SameLine()
p, border = ImGui.Checkbox("FrameBorder", style.FrameBorderSize > 0.0); if p then style.FrameBorderSize = border and default_border_size or 0.0 end
ImGui.SameLine()
p, border = ImGui.Checkbox("PopupBorder", style.PopupBorderSize > 0.0); if p then style.PopupBorderSize = border and default_border_size or 0.0 end
if ImGui.Button("Save Ref") then StyleCopy(se.ref_saved_style, style); if ref ~= se.ref_saved_style then StyleCopy(ref, style) end end
ImGui.SameLine()
if ImGui.Button("Revert Ref") then StyleCopy(style, ref) end
ImGui.SameLine()
HelpMarker("Save/Revert in local non-persistent storage. Default Colors definition are not affected. Use \"Export\" below to save them somewhere.")
ImGui.SeparatorText("Details")
if ImGui.BeginTabBar("##tabs", ImGuiTabBarFlags.None) then
if ImGui.BeginTabItem("Sizes") then
ImGui.SeparatorText("Main")
SF2("WindowPadding", 0.0, 20.0); SF2("FramePadding", 0.0, 20.0); SF2("ItemSpacing", 0.0, 20.0)
SF2("ItemInnerSpacing", 0.0, 20.0); SF2("TouchExtraPadding", 0.0, 10.0)
SF("IndentSpacing", 0.0, 30.0); SF("GrabMinSize", 1.0, 20.0)
ImGui.SeparatorText("Borders")
SF("WindowBorderSize", 0.0, max_border_size); SF("ChildBorderSize", 0.0, max_border_size)
SF("PopupBorderSize", 0.0, max_border_size); SF("FrameBorderSize", 0.0, max_border_size)
ImGui.SeparatorText("Rounding")
SF("WindowRounding", 0.0, 12.0); SF("ChildRounding", 0.0, 12.0); SF("FrameRounding", 0.0, 12.0)
SF("PopupRounding", 0.0, 12.0); SF("GrabRounding", 0.0, 12.0); SF("MenuItemRounding", 0.0, 12.0)
ImGui.SeparatorText("Scrollbar")
SF("ScrollbarSize", 1.0, 20.0); SF("ScrollbarRounding", 0.0, 12.0); SF("ScrollbarPadding", 0.0, 10.0)
ImGui.SeparatorText("Tabs")
SF("TabBorderSize", 0.0, max_border_size); SF("TabBarBorderSize", 0.0, max_border_size)
SF("TabBarOverlineSize", 0.0, math.max(3.0, max_border_size))
ImGui.SameLine(); HelpMarker("Overline is only drawn over the selected tab when ImGuiTabBarFlags_DrawSelectedOverline is set.")
DF("TabMinWidthBase", 0.5, 1.0, 500.0); DF("TabMinWidthShrink", 0.5, 1.0, 500.0, "%0.f")
if style.TabCloseButtonMinWidthSelected ~= nil then
DF("TabCloseButtonMinWidthSelected", 0.5, -1.0, 100.0, (style.TabCloseButtonMinWidthSelected < 0.0) and "%.0f (Always)" or "%.0f")
DF("TabCloseButtonMinWidthUnselected", 0.5, -1.0, 100.0, (style.TabCloseButtonMinWidthUnselected < 0.0) and "%.0f (Always)" or "%.0f")
end
SF("TabRounding", 0.0, 12.0)
ImGui.SeparatorText("Tables")
SF2("CellPadding", 0.0, 20.0)
style.TableAngledHeadersAngle = ImGui.SliderAngle("TableAngledHeadersAngle", style.TableAngledHeadersAngle, -50.0, 50.0)
SF2("TableAngledHeadersTextAlign", 0.0, 1.0, "%.2f")
ImGui.SeparatorText("Trees")
local combo_open = ImGui.BeginCombo("TreeLinesFlags", GetTreeLinesFlagsName(style.TreeLinesFlags))
ImGui.SameLine()
HelpMarker("[Experimental] Tree lines may not work in all situations (e.g. using a clipper) and may incurs slight traversal overhead.\n\nImGuiTreeNodeFlags_DrawLinesFull is faster than ImGuiTreeNodeFlags_DrawLinesToNode.")
if combo_open then
local TN = ImGuiTreeNodeFlags
for _, option in ipairs({ TN.DrawLinesNone, TN.DrawLinesFull, TN.DrawLinesToNodes }) do
if ImGui.Selectable(GetTreeLinesFlagsName(option), style.TreeLinesFlags == option) then style.TreeLinesFlags = option end
end
ImGui.EndCombo()
end
SF("TreeLinesSize", 0.0, max_border_size); SF("TreeLinesRounding", 0.0, 12.0)
ImGui.SeparatorText("Windows")
SF2("WindowTitleAlign", 0.0, 1.0, "%.2f"); SF("WindowBorderHoverPadding", 1.0, 20.0)
local window_menu_button_position = style.WindowMenuButtonPosition + 1
window_menu_button_position, changed = ImGui.Combo("WindowMenuButtonPosition", window_menu_button_position, "None\0Left\0Right\0")
if changed then style.WindowMenuButtonPosition = window_menu_button_position - 1 end
ImGui.SeparatorText("Widgets")
SF("ColorMarkerSize", 0.0, 8.0)
style.ColorButtonPosition = ImGui.Combo("ColorButtonPosition", style.ColorButtonPosition, "Left\0Right\0")
SF2("ButtonTextAlign", 0.0, 1.0, "%.2f")
ImGui.SameLine(); HelpMarker("Alignment applies when a button is larger than its text content.")
SF2("SelectableTextAlign", 0.0, 1.0, "%.2f")
ImGui.SameLine(); HelpMarker("Alignment applies when a selectable is larger than its text content.")
SF("SeparatorSize", 0.0, 10.0); SF("SeparatorTextBorderSize", 0.0, 10.0)
SF2("SeparatorTextAlign", 0.0, 1.0, "%.2f"); SF2("SeparatorTextPadding", 0.0, 40.0)
SF("LogSliderDeadzone", 0.0, 12.0); SF("ImageRounding", 0.0, 12.0); SF("ImageBorderSize", 0.0, max_border_size)
ImGui.SeparatorText("Docking")
_, style.DockingNodeHasCloseButton = ImGui.Checkbox("DockingNodeHasCloseButton", style.DockingNodeHasCloseButton)
SF("DockingSeparatorSize", 0.0, 12.0)
ImGui.SeparatorText("Tooltips")
for n = 0, 1 do
local key = (n == 0) and "HoverFlagsForTooltipMouse" or "HoverFlagsForTooltipNav"
if ImGui.TreeNodeEx(key) then
for _, f in ipairs({ "DelayNone", "DelayShort", "DelayNormal", "Stationary", "NoSharedDelay" }) do
_, style[key] = ImGui.CheckboxFlags("ImGuiHoveredFlags_" .. f, style[key], ImGuiHoveredFlags[f])
end
ImGui.TreePop()
end
end
ImGui.SeparatorText("Misc")
SF2("DisplayWindowPadding", 0.0, 30.0); ImGui.SameLine(); HelpMarker("Apply to regular windows: amount which we enforce to keep visible when moving near edges of your screen.")
SF2("DisplaySafeAreaPadding", 0.0, 30.0); ImGui.SameLine(); HelpMarker("Apply to every windows, menus, popups, tooltips: amount where we avoid displaying contents. Adjust if you cannot see the edges of your screen (e.g. on a TV where scaling has not been configured).")
ImGui.EndTabItem()
end
if ImGui.BeginTabItem("Colors") then
if ImGui.Button("Export") then
if se.output_dest == 0 then ImGui.LogToClipboard() else ImGui.LogToTTY() end
ImGui.LogText("ImVec4* colors = GetStyle().Colors;\n")
for i = 0, ImGuiCol.COUNT - 1 do
local col = style.Colors[i]
local name = ImGui.GetStyleColorName(i)
if not se.output_only_modified or not ColorsEqual(col, ref.Colors[i]) then
ImGui.LogText("colors[ImGuiCol_%s]%s= ImVec4(%.2ff, %.2ff, %.2ff, %.2ff);\n", name, string.rep(" ", math.max(0, 23 - #name)), col.x, col.y, col.z, col.w)
end
end
ImGui.LogFinish()
end
ImGui.SameLine(); ImGui.SetNextItemWidth(ImGui.GetFontSize() * 10)
se.output_dest = ImGui.Combo("##output_type", se.output_dest, "To Clipboard\0To TTY\0")
ImGui.SameLine(); _, se.output_only_modified = ImGui.Checkbox("Only Modified Colors", se.output_only_modified)
local CE = ImGuiColorEditFlags
if ImGui.RadioButtonEx("Opaque", se.alpha_flags == CE.AlphaOpaque) then se.alpha_flags = CE.AlphaOpaque end ImGui.SameLine()
if ImGui.RadioButtonEx("Alpha", se.alpha_flags == CE.None) then se.alpha_flags = CE.None end ImGui.SameLine()
if ImGui.RadioButtonEx("Both", se.alpha_flags == CE.AlphaPreviewHalf) then se.alpha_flags = CE.AlphaPreviewHalf end ImGui.SameLine()
HelpMarker("In the color list:\nLeft-click on color square to open color picker,\nRight-click to open edit options menu.")
se.filter = se.filter or ImGuiTextFilter()
ImGui.SetNextItemWidth(-FLT_MIN)
se.filter:DrawWithHint("##FilterColors", "Filter Colors (incl -excl)")
ImGui.SetNextWindowSizeConstraints(ImVec2(0.0, ImGui.GetTextLineHeightWithSpacing() * 10), ImVec2(FLT_MAX, FLT_MAX))
ImGui.BeginChild("##colors", ImVec2(0, 0), bit32.bor(ImGuiChildFlags.Borders, ImGuiChildFlags.NavFlattened), bit32.bor(ImGuiWindowFlags.AlwaysVerticalScrollbar, ImGuiWindowFlags.AlwaysHorizontalScrollbar))
ImGui.PushItemWidth(ImGui.GetFontSize() * -12)
for i = 0, ImGuiCol.COUNT - 1 do
local name = ImGui.GetStyleColorName(i)
if se.filter:PassFilter(name) then
ImGui.PushID(i)
if ImGui.DebugFlashStyleColor then
if ImGui.Button("?") then ImGui.DebugFlashStyleColor(i) end
ImGui.SetItemTooltip("Flash given color to identify places where it is used.")
ImGui.SameLine()
end
ImGui.ColorEdit4("##color", style.Colors[i], bit32.bor(CE.AlphaBar, se.alpha_flags))
if not ColorsEqual(style.Colors[i], ref.Colors[i]) then
ImGui.SameLine(0.0, style.ItemInnerSpacing.x); if ImGui.Button("Save") then ImVec4_Copy(ref.Colors[i], style.Colors[i]) end
ImGui.SameLine(0.0, style.ItemInnerSpacing.x); if ImGui.Button("Revert") then ImVec4_Copy(style.Colors[i], ref.Colors[i]) end
end
ImGui.SameLine(0.0, style.ItemInnerSpacing.x)
ImGui.TextUnformatted(name)
ImGui.PopID()
end
end
ImGui.PopItemWidth()
ImGui.EndChild()
ImGui.EndTabItem()
end
if ImGui.BeginTabItem("Fonts") then
if ImGui.ShowFontAtlas then ImGui.ShowFontAtlas(ImGui.GetIO().Fonts) else DemoNotPorted("ShowFontAtlas") end
ImGui.EndTabItem()
end
if ImGui.BeginTabItem("Rendering") then
_, style.AntiAliasedLines = ImGui.Checkbox("Anti-aliased lines", style.AntiAliasedLines)
ImGui.SameLine()
HelpMarker("When disabling anti-aliasing lines, you'll probably want to disable borders in your style as well.")
ImGui.BeginDisabled(style.AntiAliasedLines == false)
_, style.AntiAliasedLineEnds = ImGui.Checkbox("Anti-aliased line ends", style.AntiAliasedLineEnds)
ImGui.EndDisabled()
_, style.AntiAliasedFill = ImGui.Checkbox("Anti-aliased fill", style.AntiAliasedFill)
local io = ImGui.GetIO()
_, io.ConfigDebugDrawListDefaultsToStrokeLegacy = ImGui.Checkbox("Debug: DrawList Defaults to _StrokeLegacy", io.ConfigDebugDrawListDefaultsToStrokeLegacy == true)
ImGui.PushItemWidth(ImGui.GetFontSize() * 8)
-- [port] library still stores the pre-1.93 CurveTessellationTol (== MaxError * MaxError)
local curve_err = ImGui.DragFloat("Curve Tessellation Max Error", math.sqrt(style.CurveTessellationTol), 0.02, 0.10, 10.0, "%.2f")
if curve_err < 0.10 then curve_err = 0.10 end
style.CurveTessellationTol = curve_err * curve_err
style.CircleTessellationMaxError = ImGui.DragFloat("Circle Tessellation Max Error", style.CircleTessellationMaxError, 0.005, 0.10, 5.0, "%.2f", ImGuiSliderFlags.AlwaysClamp)
local show_samples = ImGui.IsItemActive()
if show_samples then ImGui.SetNextWindowPos(ImGui.GetCursorScreenPos()) end
if show_samples and ImGui.BeginTooltip() then
ImGui.TextUnformatted("(R = radius, N = approx number of segments)")
ImGui.Spacing()
local draw_list = ImGui.GetWindowDrawList()
local min_widget_width = ImGui.CalcTextSize("R: MMM\nN: MMM").x
for n = 0, 7 do
local RAD_MIN, RAD_MAX = 5.0, 70.0
local rad = RAD_MIN + (RAD_MAX - RAD_MIN) * n / (8.0 - 1.0)
ImGui.BeginGroup()
ImGui.Text("R: %.f\nN: %d", rad, draw_list:_CalcCircleAutoSegmentCount(rad))
local canvas_width = math.max(min_widget_width, rad * 2.0)
local offset_x = math.floor(canvas_width * 0.5)
local offset_y = math.floor(RAD_MAX)
local p1 = ImGui.GetCursorScreenPos()
draw_list:AddCircle(ImVec2(p1.x + offset_x, p1.y + offset_y), rad, ImGui.GetColorU32(ImGuiCol.Text))
ImGui.Dummy(ImVec2(canvas_width, RAD_MAX * 2))
ImGui.EndGroup()
ImGui.SameLine()
end
ImGui.EndTooltip()
end
ImGui.SameLine()
HelpMarker("When drawing circle primitives with \"num_segments == 0\" tessellation will be calculated automatically.")
style.Alpha = ImGui.DragFloat("Global Alpha", style.Alpha, 0.005, 0.20, 1.0, "%.2f")
style.DisabledAlpha = ImGui.DragFloat("Disabled Alpha", style.DisabledAlpha, 0.005, 0.0, 1.0, "%.2f")
ImGui.SameLine(); HelpMarker("Additional alpha multiplier for disabled items (multiply over current value of Alpha).")
ImGui.PopItemWidth()
ImGui.EndTabItem()
end
ImGui.EndTabBar()
end
ImGui.PopItemWidth()
end
return true
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