Update Dear ImGui to 1.82.

Canvas.go

@@ -21,27 +21,30 @@ func (c *Canvas) AddLine(p1, p2 image.Point, color color.RGBA, thickness float32
 	c.drawlist.AddLine(ToVec2(p1), ToVec2(p2), ToVec4Color(color), thickness)
 }
 
-type CornerFlags int
+type DrawFlags int
 
 const (
-	CornerFlags_None     CornerFlags = 0
-	CornerFlags_TopLeft  CornerFlags = 1 << 0                                      // 0x1
-	CornerFlags_TopRight CornerFlags = 1 << 1                                      // 0x2
-	CornerFlags_BotLeft  CornerFlags = 1 << 2                                      // 0x4
-	CornerFlags_BotRight CornerFlags = 1 << 3                                      // 0x8
-	CornerFlags_Top      CornerFlags = CornerFlags_TopLeft | CornerFlags_TopRight  // 0x3
-	CornerFlags_Bot      CornerFlags = CornerFlags_BotLeft | CornerFlags_BotRight  // 0xC
-	CornerFlags_Left     CornerFlags = CornerFlags_TopLeft | CornerFlags_BotLeft   // 0x5
-	CornerFlags_Right    CornerFlags = CornerFlags_TopRight | CornerFlags_BotRight // 0xA
-	CornerFlags_All      CornerFlags = 0xF                                         // In your function calls you may use ~0 (= all bits sets) instead of ImDrawCornerFlags_All, as a convenience
-
+	DrawFlags_None                    DrawFlags = 0
+	DrawFlags_Closed                  DrawFlags = 1 << 0 // PathStroke(), AddPolyline(): specify that shape should be closed (portant: this is always == 1 for legacy reason)
+	DrawFlags_RoundCornersTopLeft     DrawFlags = 1 << 4 // AddRect(), AddRectFilled(), PathRect(): enable rounding top-left corner only (when rounding > 0.0f, we default to all corners). Was 0x01.
+	DrawFlags_RoundCornersTopRight    DrawFlags = 1 << 5 // AddRect(), AddRectFilled(), PathRect(): enable rounding top-right corner only (when rounding > 0.0f, we default to all corners). Was 0x02.
+	DrawFlags_RoundCornersBottomLeft  DrawFlags = 1 << 6 // AddRect(), AddRectFilled(), PathRect(): enable rounding bottom-left corner only (when rounding > 0.0f, we default to all corners). Was 0x04.
+	DrawFlags_RoundCornersBottomRight DrawFlags = 1 << 7 // AddRect(), AddRectFilled(), PathRect(): enable rounding bottom-right corner only (when rounding > 0.0f, we default to all corners). Wax 0x08.
+	DrawFlags_RoundCornersNone        DrawFlags = 1 << 8 // AddRect(), AddRectFilled(), PathRect(): disable rounding on all corners (when rounding > 0.0f). This is NOT zero, NOT an implicit flag!
+	DrawFlags_RoundCornersTop         DrawFlags = DrawFlags_RoundCornersTopLeft | DrawFlags_RoundCornersTopRight
+	DrawFlags_RoundCornersBottom      DrawFlags = DrawFlags_RoundCornersBottomLeft | DrawFlags_RoundCornersBottomRight
+	DrawFlags_RoundCornersLeft        DrawFlags = DrawFlags_RoundCornersBottomLeft | DrawFlags_RoundCornersTopLeft
+	DrawFlags_RoundCornersRight       DrawFlags = DrawFlags_RoundCornersBottomRight | DrawFlags_RoundCornersTopRight
+	DrawFlags_RoundCornersAll         DrawFlags = DrawFlags_RoundCornersTopLeft | DrawFlags_RoundCornersTopRight | DrawFlags_RoundCornersBottomLeft | DrawFlags_RoundCornersBottomRight
+	DrawFlags_RoundCornersDefault_    DrawFlags = DrawFlags_RoundCornersAll // Default to ALL corners if none of the _RoundCornersXX flags are specified.
+	DrawFlags_RoundCornersMask_       DrawFlags = DrawFlags_RoundCornersAll | DrawFlags_RoundCornersNone
 )
 
-func (c *Canvas) AddRect(pMin, pMax image.Point, color color.RGBA, rounding float32, rounding_corners CornerFlags, thickness float32) {
+func (c *Canvas) AddRect(pMin, pMax image.Point, color color.RGBA, rounding float32, rounding_corners DrawFlags, thickness float32) {
 	c.drawlist.AddRect(ToVec2(pMin), ToVec2(pMax), ToVec4Color(color), rounding, int(rounding_corners), thickness)
 }
 
-func (c *Canvas) AddRectFilled(pMin, pMax image.Point, color color.RGBA, rounding float32, rounding_corners CornerFlags) {
+func (c *Canvas) AddRectFilled(pMin, pMax image.Point, color color.RGBA, rounding float32, rounding_corners DrawFlags) {
 	c.drawlist.AddRectFilled(ToVec2(pMin), ToVec2(pMax), ToVec4Color(color), rounding, int(rounding_corners))
 }
 

Flags.go

@@ -3,49 +3,27 @@ package giu
 type InputTextFlags int
 
 const (
-	// InputTextFlagsNone sets everything default.
-	InputTextFlagsNone InputTextFlags = 0
-	// InputTextFlagsCharsDecimal allows 0123456789.+-
-	InputTextFlagsCharsDecimal InputTextFlags = 1 << 0
-	// InputTextFlagsCharsHexadecimal allow 0123456789ABCDEFabcdef
-	InputTextFlagsCharsHexadecimal InputTextFlags = 1 << 1
-	// InputTextFlagsCharsUppercase turns a..z into A..Z.
-	InputTextFlagsCharsUppercase InputTextFlags = 1 << 2
-	// InputTextFlagsCharsNoBlank filters out spaces, tabs.
-	InputTextFlagsCharsNoBlank InputTextFlags = 1 << 3
-	// InputTextFlagsAutoSelectAll selects entire text when first taking mouse focus.
-	InputTextFlagsAutoSelectAll InputTextFlags = 1 << 4
-	// InputTextFlagsEnterReturnsTrue returns 'true' when Enter is pressed (as opposed to when the value was modified).
-	InputTextFlagsEnterReturnsTrue InputTextFlags = 1 << 5
-	// InputTextFlagsCallbackCompletion for callback on pressing TAB (for completion handling).
-	InputTextFlagsCallbackCompletion InputTextFlags = 1 << 6
-	// InputTextFlagsCallbackHistory for callback on pressing Up/Down arrows (for history handling).
-	InputTextFlagsCallbackHistory InputTextFlags = 1 << 7
-	// InputTextFlagsCallbackAlways for callback on each iteration. User code may query cursor position, modify text buffer.
-	InputTextFlagsCallbackAlways InputTextFlags = 1 << 8
-	// InputTextFlagsCallbackCharFilter for callback on character inputs to replace or discard them.
-	// Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
-	InputTextFlagsCallbackCharFilter InputTextFlags = 1 << 9
-	// InputTextFlagsAllowTabInput when pressing TAB to input a '\t' character into the text field.
-	InputTextFlagsAllowTabInput InputTextFlags = 1 << 10
-	// InputTextFlagsCtrlEnterForNewLine in multi-line mode, unfocus with Enter, add new line with Ctrl+Enter
-	// (default is opposite: unfocus with Ctrl+Enter, add line with Enter).
-	InputTextFlagsCtrlEnterForNewLine InputTextFlags = 1 << 11
-	// InputTextFlagsNoHorizontalScroll disables following the cursor horizontally.
-	InputTextFlagsNoHorizontalScroll InputTextFlags = 1 << 12
-	// InputTextFlagsAlwaysInsertMode sets insert mode.
-	InputTextFlagsAlwaysInsertMode InputTextFlags = 1 << 13
-	// InputTextFlagsReadOnly sets read-only mode.
-	InputTextFlagsReadOnly InputTextFlags = 1 << 14
-	// InputTextFlagsPassword sets password mode, display all characters as '*'.
-	InputTextFlagsPassword InputTextFlags = 1 << 15
-	// InputTextFlagsNoUndoRedo disables undo/redo. Note that input text owns the text data while active,
-	// if you want to provide your own undo/redo stack you need e.g. to call ClearActiveID().
-	InputTextFlagsNoUndoRedo InputTextFlags = 1 << 16
-	// InputTextFlagsCharsScientific allows 0123456789.+-*/eE (Scientific notation input).
-	InputTextFlagsCharsScientific InputTextFlags = 1 << 17
-	// inputTextFlagsCallbackResize for callback on buffer capacity change requests.
-	// inputTextFlagsCallbackResize InputTextFlags = 1 << 18
+	InputTextFlags_None                InputTextFlags = 0
+	InputTextFlags_CharsDecimal        InputTextFlags = 1 << 0  // Allow 0123456789.+-*/
+	InputTextFlags_CharsHexadecimal    InputTextFlags = 1 << 1  // Allow 0123456789ABCDEFabcdef
+	InputTextFlags_CharsUppercase      InputTextFlags = 1 << 2  // Turn a..z into A..Z
+	InputTextFlags_CharsNoBlank        InputTextFlags = 1 << 3  // Filter out spaces, tabs
+	InputTextFlags_AutoSelectAll       InputTextFlags = 1 << 4  // Select entire text when first taking mouse focus
+	InputTextFlags_EnterReturnsTrue    InputTextFlags = 1 << 5  // Return 'true' when Enter is pressed (as opposed to every time the value was modified). Consider looking at the IsItemDeactivatedAfterEdit() function.
+	InputTextFlags_CallbackCompletion  InputTextFlags = 1 << 6  // Callback on pressing TAB (for completion handling)
+	InputTextFlags_CallbackHistory     InputTextFlags = 1 << 7  // Callback on pressing Up/Down arrows (for history handling)
+	InputTextFlags_CallbackAlways      InputTextFlags = 1 << 8  // Callback on each iteration. User code may query cursor position, modify text buffer.
+	InputTextFlags_CallbackCharFilter  InputTextFlags = 1 << 9  // Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.
+	InputTextFlags_AllowTabInput       InputTextFlags = 1 << 10 // Pressing TAB input a '\t' character into the text field
+	InputTextFlags_CtrlEnterForNewLine InputTextFlags = 1 << 11 // In multi-line mode, unfocus with Enter, add new line with Ctrl+Enter (default is opposite: unfocus with Ctrl+Enter, add line with Enter).
+	InputTextFlags_NoHorizontalScroll  InputTextFlags = 1 << 12 // Disable following the cursor horizontally
+	InputTextFlags_AlwaysOverwrite     InputTextFlags = 1 << 13 // Overwrite mode
+	InputTextFlags_ReadOnly            InputTextFlags = 1 << 14 // Read-only mode
+	InputTextFlags_Password            InputTextFlags = 1 << 15 // Password mode, display all characters as '*'
+	InputTextFlags_NoUndoRedo          InputTextFlags = 1 << 16 // Disable undo/redo. Note that input text owns the text data while active, if you want to provide your own undo/redo stack you need e.g. to call ClearActiveID().
+	InputTextFlags_CharsScientific     InputTextFlags = 1 << 17 // Allow 0123456789.+-*/eE (Scientific notation input)
+	InputTextFlags_CallbackResize      InputTextFlags = 1 << 18 // Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow. Notify when the string wants to be resized (for string types which hold a cache of their Size). You will be provided a new BufSize in the callback and NEED to honor it. (see misc/cpp/imgui_stdlib.h for an example of using this)
+	InputTextFlags_CallbackEdit        InputTextFlags = 1 << 19 // Callback on any edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)
 )
 
 type WindowFlags int

examples/canvas/canvas.go

@@ -19,7 +19,7 @@ func loop() {
 			pos := g.GetCursorScreenPos()
 			color := color.RGBA{200, 75, 75, 255}
 			canvas.AddLine(pos, pos.Add(image.Pt(100, 100)), color, 1)
-			canvas.AddRect(pos.Add(image.Pt(110, 0)), pos.Add(image.Pt(200, 100)), color, 5, g.CornerFlags_All, 1)
+			canvas.AddRect(pos.Add(image.Pt(110, 0)), pos.Add(image.Pt(200, 100)), color, 5, g.DrawFlags_RoundCornersAll, 1)
 			canvas.AddRectFilled(pos.Add(image.Pt(220, 0)), pos.Add(image.Pt(320, 100)), color, 0, 0)
 
 			pos0 := pos.Add(image.Pt(0, 110))

examples/dragdrop/dragdrop.go

@@ -31,7 +31,7 @@ func loop() {
 				}
 			}),
 		),
-		g.InputTextMultiline("##DropTarget", &dropTarget).Size(-1, -1).Flags(g.InputTextFlagsReadOnly),
+		g.InputTextMultiline("##DropTarget", &dropTarget).Size(-1, -1).Flags(g.InputTextFlags_ReadOnly),
 		g.Custom(func() {
 			if imgui.BeginDragDropTarget() {
 				payload := imgui.AcceptDragDropPayload("DND_DEMO")

examples/ondrop/ondrop.go

@@ -14,7 +14,7 @@ var (
 func loop() {
 	g.SingleWindow("On Drop Demo").Layout(
 		g.Label("Drop file to this window"),
-		g.InputTextMultiline("#DroppedFiles", &dropInFiles).Size(-1, -1).Flags(g.InputTextFlagsReadOnly),
+		g.InputTextMultiline("#DroppedFiles", &dropInFiles).Size(-1, -1).Flags(g.InputTextFlags_ReadOnly),
 	)
 }
 

examples/transparent/transparent.go

@@ -18,7 +18,7 @@ func loop() {
 			pos := g.GetCursorScreenPos()
 			color := color.RGBA{200, 75, 75, 255}
 			canvas.AddLine(pos, pos.Add(image.Pt(100, 100)), color, 1)
-			canvas.AddRect(pos.Add(image.Pt(110, 0)), pos.Add(image.Pt(200, 100)), color, 5, g.CornerFlags_All, 1)
+			canvas.AddRect(pos.Add(image.Pt(110, 0)), pos.Add(image.Pt(200, 100)), color, 5, g.DrawFlags_RoundCornersAll, 1)
 			canvas.AddRectFilled(pos.Add(image.Pt(220, 0)), pos.Add(image.Pt(320, 100)), color, 0, 0)
 
 			pos0 := pos.Add(image.Pt(0, 110))

imgui/LICENSE.txt

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2021 Omar Cornut
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

imgui/imconfig.h

@@ -20,7 +20,9 @@
 //#define IM_ASSERT(_EXPR)  ((void)(_EXPR))     // Disable asserts
 
 //---- Define attributes of all API symbols declarations, e.g. for DLL under Windows
-// Using dear imgui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
+// Using Dear ImGui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
+// DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
+// for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
 //#define IMGUI_API __declspec( dllexport )
 //#define IMGUI_API __declspec( dllimport )
 
@@ -34,8 +36,8 @@
 //#define IMGUI_DISABLE_METRICS_WINDOW                      // Disable metrics/debugger window: ShowMetricsWindow() will be empty.
 
 //---- Don't implement some functions to reduce linkage requirements.
-//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS   // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc.
-//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS         // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow.
+//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS   // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. (user32.lib/.a, kernel32.lib/.a)
+//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS         // [Win32] Don't implement default IME handler. Won't use and link with ImmGetContext/ImmSetCompositionWindow. (imm32.lib/.a)
 //#define IMGUI_DISABLE_WIN32_FUNCTIONS                     // [Win32] Won't use and link with any Win32 function (clipboard, ime).
 //#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS      // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
 //#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS            // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)