migration: migrate great amount of code

CAUTION: review carefully - it removed many functions and needs to be
verified

Alignment.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"image"
 
-	"github.com/AllenDang/imgui-go"
+	"github.com/AllenDang/cimgui-go"
 )
 
 // These constants holds information about where GetWidgetWidth should proceed their
@@ -177,7 +177,7 @@ func (a *AlignmentSetter) Build() {
 // if you find anything else, please report it on
 // https://github.com/AllenDang/giu Any contribution is appreciated!
 func GetWidgetWidth(w Widget) (result float32) {
-	imgui.PushID(GenAutoID("GetWidgetWidthMeasurement"))
+	imgui.PushIDStr(GenAutoID("GetWidgetWidthMeasurement"))
 	defer imgui.PopID()
 
 	// save cursor position before doing anything

Canvas.go

@@ -4,7 +4,7 @@ import (
 	"image"
 	"image/color"
 
-	"github.com/AllenDang/imgui-go"
+	"github.com/AllenDang/cimgui-go"
 )
 
 // Canvas represents imgui.DrawList
@@ -27,96 +27,96 @@ type Canvas struct {
 // it will fail if called out of window's layout.
 func GetCanvas() *Canvas {
 	return &Canvas{
-		DrawList: imgui.GetWindowDrawList(),
+		DrawList: imgui.WindowDrawList(),
 	}
 }
 
 // AddLine draws a line (from p1 to p2).
 func (c *Canvas) AddLine(p1, p2 image.Point, col color.Color, thickness float32) {
-	c.DrawList.AddLine(ToVec2(p1), ToVec2(p2), ToVec4Color(col), thickness)
+	c.DrawList.AddLineV(ToVec2(p1), ToVec2(p2), ColorToUint(col), thickness)
 }
 
 // DrawFlags represents imgui.DrawFlags.
-type DrawFlags int
+type DrawFlags imgui.DrawFlags
 
 // draw flags enum:.
 const (
-	DrawFlagsNone DrawFlags = 0
+	DrawFlagsNone DrawFlags = DrawFlags(imgui.DrawFlagsNone)
 	// PathStroke(), AddPolyline(): specify that shape should be closed (note: this is always == 1 for legacy reasons).
-	DrawFlagsClosed DrawFlags = 1 << 0
+	DrawFlagsClosed DrawFlags = DrawFlags(imgui.DrawFlagsClosed)
 	// AddRect(), AddRectFilled(), PathRect(): enable rounding top-left corner only (when rounding > 0.0f, we default to all corners).
 	// Was 0x01.
-	DrawFlagsRoundCornersTopLeft DrawFlags = 1 << 4
+	DrawFlagsRoundCornersTopLeft DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersTopLeft)
 	// AddRect(), AddRectFilled(), PathRect(): enable rounding top-right corner only (when rounding > 0.0f, we default to all corners).
 	// Was 0x02.
-	DrawFlagsRoundCornersTopRight DrawFlags = 1 << 5
+	DrawFlagsRoundCornersTopRight DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersTopRight)
 	// AddRect(), AddRectFilled(), PathRect(): enable rounding bottom-left corner only (when rounding > 0.0f, we default to all corners).
 	// Was 0x04.
-	DrawFlagsRoundCornersBottomLeft DrawFlags = 1 << 6
+	DrawFlagsRoundCornersBottomLeft DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersBottomLeft)
 	// AddRect(), AddRectFilled(), PathRect(): enable rounding bottom-right corner only (when rounding > 0.0f,
 	// we default to all corners). Wax 0x08.
-	DrawFlagsRoundCornersBottomRight DrawFlags = 1 << 7
+	DrawFlagsRoundCornersBottomRight DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersBottomRight)
 	// AddRect(), AddRectFilled(), PathRect(): disable rounding on all corners (when rounding > 0.0f). This is NOT zero, NOT an implicit flag!
-	DrawFlagsRoundCornersNone   DrawFlags = 1 << 8
-	DrawFlagsRoundCornersTop    DrawFlags = DrawFlagsRoundCornersTopLeft | DrawFlagsRoundCornersTopRight
-	DrawFlagsRoundCornersBottom DrawFlags = DrawFlagsRoundCornersBottomLeft | DrawFlagsRoundCornersBottomRight
-	DrawFlagsRoundCornersLeft   DrawFlags = DrawFlagsRoundCornersBottomLeft | DrawFlagsRoundCornersTopLeft
-	DrawFlagsRoundCornersRight  DrawFlags = DrawFlagsRoundCornersBottomRight | DrawFlagsRoundCornersTopRight
-	DrawFlagsRoundCornersAll    DrawFlags = DrawFlagsRoundCornersTopLeft | DrawFlagsRoundCornersTopRight |
-		DrawFlagsRoundCornersBottomLeft | DrawFlagsRoundCornersBottomRight
+	DrawFlagsRoundCornersNone   DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersNone)
+	DrawFlagsRoundCornersTop    DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersTop)
+	DrawFlagsRoundCornersBottom DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersBottom)
+	DrawFlagsRoundCornersLeft   DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersLeft)
+	DrawFlagsRoundCornersRight  DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersRight)
+	DrawFlagsRoundCornersAll    DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersAll)
+
 	// Default to ALL corners if none of the RoundCornersXX flags are specified.
-	DrawFlagsRoundCornersDefault DrawFlags = DrawFlagsRoundCornersAll
-	DrawFlagsRoundCornersMask    DrawFlags = DrawFlagsRoundCornersAll | DrawFlagsRoundCornersNone
+	DrawFlagsRoundCornersDefault DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersDefault)
+	DrawFlagsRoundCornersMask    DrawFlags = DrawFlags(imgui.DrawFlagsRoundCornersMask)
 )
 
 // AddRect draws a rectangle.
 func (c *Canvas) AddRect(pMin, pMax image.Point, col color.Color, rounding float32, roundingCorners DrawFlags, thickness float32) {
-	c.DrawList.AddRect(ToVec2(pMin), ToVec2(pMax), ToVec4Color(col), rounding, int(roundingCorners), thickness)
+	c.DrawList.AddRectV(ToVec2(pMin), ToVec2(pMax), ColorToUint(col), rounding, imgui.DrawFlags(roundingCorners), thickness)
 }
 
 // AddRectFilled draws a rectangle filled with `col`.
 func (c *Canvas) AddRectFilled(pMin, pMax image.Point, col color.Color, rounding float32, roundingCorners DrawFlags) {
-	c.DrawList.AddRectFilled(ToVec2(pMin), ToVec2(pMax), ToVec4Color(col), rounding, int(roundingCorners))
+	c.DrawList.AddRectFilledV(ToVec2(pMin), ToVec2(pMax), ColorToUint(col), rounding, imgui.DrawFlags(roundingCorners))
 }
 
 // AddText draws text.
 func (c *Canvas) AddText(pos image.Point, col color.Color, text string) {
-	c.DrawList.AddText(ToVec2(pos), ToVec4Color(col), Context.FontAtlas.RegisterString(text))
+	c.DrawList.AddTextVec2(ToVec2(pos), ColorToUint(col), Context.FontAtlas.RegisterString(text))
 }
 
 // AddBezierCubic draws bezier cubic.
-func (c *Canvas) AddBezierCubic(pos0, cp0, cp1, pos1 image.Point, col color.Color, thickness float32, numSegments int) {
-	c.DrawList.AddBezierCubic(ToVec2(pos0), ToVec2(cp0), ToVec2(cp1), ToVec2(pos1), ToVec4Color(col), thickness, numSegments)
+func (c *Canvas) AddBezierCubic(pos0, cp0, cp1, pos1 image.Point, col color.Color, thickness float32, numSegments int32) {
+	c.DrawList.AddBezierCubicV(ToVec2(pos0), ToVec2(cp0), ToVec2(cp1), ToVec2(pos1), ColorToUint(col), thickness, numSegments)
 }
 
 // AddTriangle draws a triangle.
 func (c *Canvas) AddTriangle(p1, p2, p3 image.Point, col color.Color, thickness float32) {
-	c.DrawList.AddTriangle(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec4Color(col), thickness)
+	c.DrawList.AddTriangleV(ToVec2(p1), ToVec2(p2), ToVec2(p3), ColorToUint(col), thickness)
 }
 
 // AddTriangleFilled draws a filled triangle.
 func (c *Canvas) AddTriangleFilled(p1, p2, p3 image.Point, col color.Color) {
-	c.DrawList.AddTriangleFilled(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec4Color(col))
+	c.DrawList.AddTriangleFilled(ToVec2(p1), ToVec2(p2), ToVec2(p3), ColorToUint(col))
 }
 
 // AddCircle draws a circle.
-func (c *Canvas) AddCircle(center image.Point, radius float32, col color.Color, segments int, thickness float32) {
-	c.DrawList.AddCircle(ToVec2(center), radius, ToVec4Color(col), segments, thickness)
+func (c *Canvas) AddCircle(center image.Point, radius float32, col color.Color, segments int32, thickness float32) {
+	c.DrawList.AddCircleV(ToVec2(center), radius, ColorToUint(col), segments, thickness)
 }
 
 // AddCircleFilled draws a filled circle.
 func (c *Canvas) AddCircleFilled(center image.Point, radius float32, col color.Color) {
-	c.DrawList.AddCircleFilled(ToVec2(center), radius, ToVec4Color(col))
+	c.DrawList.AddCircleFilled(ToVec2(center), radius, ColorToUint(col))
 }
 
 // AddQuad draws a quad.
 func (c *Canvas) AddQuad(p1, p2, p3, p4 image.Point, col color.Color, thickness float32) {
-	c.DrawList.AddQuad(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec2(p4), ToVec4Color(col), thickness)
+	c.DrawList.AddQuadV(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec2(p4), ColorToUint(col), thickness)
 }
 
 // AddQuadFilled draws a filled quad.
 func (c *Canvas) AddQuadFilled(p1, p2, p3, p4 image.Point, col color.Color) {
-	c.DrawList.AddQuadFilled(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec2(p4), ToVec4Color(col))
+	c.DrawList.AddQuadFilled(ToVec2(p1), ToVec2(p2), ToVec2(p3), ToVec2(p4), ColorToUint(col))
 }
 
 // Stateful path API, add points then finish with PathFillConvex() or PathStroke().
@@ -134,29 +134,29 @@ func (c *Canvas) PathLineToMergeDuplicate(pos image.Point) {
 }
 
 func (c *Canvas) PathFillConvex(col color.Color) {
-	c.DrawList.PathFillConvex(ToVec4Color(col))
+	c.DrawList.PathFillConvex(ColorToUint(col))
 }
 
-func (c *Canvas) PathStroke(col color.Color, closed bool, thickness float32) {
-	c.DrawList.PathStroke(ToVec4Color(col), closed, thickness)
+func (c *Canvas) PathStroke(col color.Color, flags DrawFlags, thickness float32) {
+	c.DrawList.PathStrokeV(ColorToUint(col), imgui.DrawFlags(flags), thickness)
 }
 
-func (c *Canvas) PathArcTo(center image.Point, radius, min, max float32, numSegments int) {
-	c.DrawList.PathArcTo(ToVec2(center), radius, min, max, numSegments)
+func (c *Canvas) PathArcTo(center image.Point, radius, min, max float32, numSegments int32) {
+	c.DrawList.PathArcToV(ToVec2(center), radius, min, max, numSegments)
 }
 
-func (c *Canvas) PathArcToFast(center image.Point, radius float32, min12, max12 int) {
+func (c *Canvas) PathArcToFast(center image.Point, radius float32, min12, max12 int32) {
 	c.DrawList.PathArcToFast(ToVec2(center), radius, min12, max12)
 }
 
-func (c *Canvas) PathBezierCubicCurveTo(p1, p2, p3 image.Point, numSegments int) {
-	c.DrawList.PathBezierCubicCurveTo(ToVec2(p1), ToVec2(p2), ToVec2(p3), numSegments)
+func (c *Canvas) PathBezierCubicCurveTo(p1, p2, p3 image.Point, numSegments int32) {
+	c.DrawList.PathBezierCubicCurveToV(ToVec2(p1), ToVec2(p2), ToVec2(p3), numSegments)
 }
 
 func (c *Canvas) AddImage(texture *Texture, pMin, pMax image.Point) {
 	c.DrawList.AddImage(texture.id, ToVec2(pMin), ToVec2(pMax))
 }
 
 func (c *Canvas) AddImageV(texture *Texture, pMin, pMax, uvMin, uvMax image.Point, col color.Color) {
-	c.DrawList.AddImageV(texture.id, ToVec2(pMin), ToVec2(pMax), ToVec2(uvMin), ToVec2(uvMax), ToVec4Color(col))
+	c.DrawList.AddImageV(texture.id, ToVec2(pMin), ToVec2(pMax), ToVec2(uvMin), ToVec2(uvMax), ColorToUint(col))
 }

ClickableWidgets.go

@@ -5,7 +5,7 @@ import (
 	"image"
 	"image/color"
 
-	"github.com/AllenDang/imgui-go"
+	imgui "github.com/AllenDang/cimgui-go"
 	"golang.org/x/image/colornames"
 )
 
@@ -59,7 +59,7 @@ func (b *ButtonWidget) Size(width, height float32) *ButtonWidget {
 // Build implements Widget interface.
 func (b *ButtonWidget) Build() {
 	if b.disabled {
-		imgui.BeginDisabled(true)
+		imgui.BeginDisabled()
 		defer imgui.EndDisabled()
 	}
 
@@ -100,7 +100,7 @@ func (b *ArrowButtonWidget) ID(id string) *ArrowButtonWidget {
 
 // Build implements Widget interface.
 func (b *ArrowButtonWidget) Build() {
-	if imgui.ArrowButton(b.id, uint8(b.dir)) && b.onClick != nil {
+	if imgui.ArrowButton(b.id, imgui.Dir(b.dir)) && b.onClick != nil {
 		b.onClick()
 	}
 }
@@ -224,10 +224,11 @@ func (b *ImageButtonWidget) Build() {
 	}
 
 	if imgui.ImageButtonV(
+		fmt.Sprintf("%v", b.texture.id),
 		b.texture.id,
 		imgui.Vec2{X: b.width, Y: b.height},
 		ToVec2(b.uv0), ToVec2(b.uv1),
-		b.framePadding, ToVec4Color(b.bgColor),
+		ToVec4Color(b.bgColor),
 		ToVec4Color(b.tintColor),
 	) && b.onClick != nil {
 		b.onClick()
@@ -401,7 +402,7 @@ func (r *RadioButtonWidget) OnChange(onChange func()) *RadioButtonWidget {
 
 // Build implements Widget interface.
 func (r *RadioButtonWidget) Build() {
-	if imgui.RadioButton(Context.FontAtlas.RegisterString(r.text), r.active) && r.onChange != nil {
+	if imgui.RadioButtonBool(Context.FontAtlas.RegisterString(r.text), r.active) && r.onChange != nil {
 		r.onChange()
 	}
 }
@@ -476,7 +477,7 @@ func (s *SelectableWidget) Build() {
 		s.flags |= SelectableFlagsAllowDoubleClick
 	}
 
-	if imgui.SelectableV(Context.FontAtlas.RegisterString(s.label), s.selected, int(s.flags), imgui.Vec2{X: s.width, Y: s.height}) && s.onClick != nil {
+	if imgui.SelectableBoolV(Context.FontAtlas.RegisterString(s.label), s.selected, imgui.SelectableFlags(s.flags), imgui.Vec2{X: s.width, Y: s.height}) && s.onClick != nil {
 		s.onClick()
 	}
 
@@ -534,7 +535,7 @@ func (t *TreeNodeWidget) Layout(widgets ...Widget) *TreeNodeWidget {
 
 // Build implements Widget interface.
 func (t *TreeNodeWidget) Build() {
-	open := imgui.TreeNodeV(t.label, int(t.flags))
+	open := imgui.TreeNodeExStrV(t.label, imgui.TreeNodeFlags(t.flags))
 
 	if t.eventHandler != nil {
 		t.eventHandler()