WIP: Add rebar controlad/pkg/walk/rebar

2 files changed, 157 insertions, 2 deletions

diff --git a/rebar.go b/rebar.go
new file mode 100644
index 00000000..5d4ae61d
--- /dev/null
+++ b/rebar.go
@@ -0,0 +1,155 @@
+// Copyright 2010 The Walk Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build windows
+
+package walk
+
+import (
+	"syscall"
+	"unsafe"
+
+	"github.com/lxn/win"
+)
+
+type ReBar struct {
+	WidgetBase
+	toolBar *ToolBar
+}
+
+func NewReBar(parent Container, toolBar *ToolBar) (*ReBar, error) {
+	rb := &ReBar{}
+
+	if err := InitWidget(
+		rb,
+		parent,
+		"ReBarWindow32",
+		win.WS_CHILD|
+			win.WS_VISIBLE|
+			win.WS_CLIPSIBLINGS|
+			win.WS_CLIPCHILDREN|
+			RBS_VARHEIGHT|
+			RBS_BANDBORDERS|
+			win.CCS_NODIVIDER|
+			win.CCS_BOTTOM,
+		win.WS_EX_TOOLWINDOW); err != nil {
+		return nil, err
+	}
+
+	rb.toolBar = toolBar
+
+	rbbi := ReBarBandInfo{}
+	rbbi.FMask = RBBIM_STYLE | // fStyle is valid.
+		RBBIM_TEXT | // lpText is valid.
+		RBBIM_CHILD | // hwndChild is valid.
+		RBBIM_CHILDSIZE | // child size members are valid.
+		RBBIM_SIZE // cx is valid
+	rbbi.FStyle = RBBS_CHILDEDGE | RBBS_GRIPPERALWAYS
+
+	// https://docs.microsoft.com/en-us/windows/desktop/controls/create-rebar-controls
+
+	// Set values unique to the band with the toolbar.
+	rbbi.LpText = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr("")))
+	rbbi.HwndChild = toolBar.hWnd
+	rbbi.CyChild = uint32(100)
+	rbbi.CxMinChild = uint32(100)
+	rbbi.CyMinChild = uint32(100)
+	rbbi.Cx = uint32(0)
+
+	rb.SendMessage(RB_INSERTBAND, 0, uintptr(unsafe.Pointer(&rbbi)))
+
+	return rb, nil
+}
+
+const (
+	RBS_VARHEIGHT       = 0x0200
+	RBS_BANDBORDERS     = 0x0400
+	RBS_AUTOSIZE        = 0x2000
+	RBS_VERTICALGRIPPER = 0x4000
+)
+
+const (
+	RB_INSERTBAND   = win.WM_USER + 1
+	RB_DELETEBAND   = win.WM_USER + 2
+	RB_SETBARINFO   = win.WM_USER + 4
+	RB_GETBANDINFO  = win.WM_USER + 5
+	RB_SETBANDINFO  = win.WM_USER + 6
+	RB_HITTEST      = win.WM_USER + 8
+	RB_GETRECT      = win.WM_USER + 9
+	RB_GETBANDCOUNT = win.WM_USER + 12
+	RB_GETROWCOUNT  = win.WM_USER + 13
+	RB_GETROWHEIGHT = win.WM_USER + 14
+	RB_GETBARHEIGHT = win.WM_USER + 27
+)
+
+const (
+	RBBIM_STYLE      = 0x00000001
+	RBBIM_COLORS     = 0x00000002
+	RBBIM_TEXT       = 0x00000004
+	RBBIM_IMAGE      = 0x00000008
+	RBBIM_CHILD      = 0x00000010
+	RBBIM_CHILDSIZE  = 0x00000020
+	RBBIM_SIZE       = 0x00000040
+	RBBIM_BACKGROUND = 0x00000080
+	RBBIM_ID         = 0x00000100
+	RBBIM_IDEALSIZE  = 0x00000200
+	RBBIM_LPARAM     = 0x00000400
+	RBBIM_HEADERSIZE = 0x00000800
+)
+
+const (
+	RBBS_BREAK          = 0x00000001
+	RBBS_FIXEDSIZE      = 0x00000002
+	RBBS_CHILDEDGE      = 0x00000004
+	RBBS_HIDDEN         = 0x00000008
+	RBBS_NOVERT         = 0x00000010
+	RBBS_FIXEDBMP       = 0x00000020
+	RBBS_VARIABLEHEIGHT = 0x00000040
+	RBBS_GRIPPERALWAYS  = 0x00000080
+	RBBS_NOGRIPPER      = 0x00000100
+	RBBS_USECHEVRON     = 0x00000200
+	RBBS_HIDETITLE      = 0x00000400
+)
+
+func (rb *ReBar) LayoutFlags() LayoutFlags {
+	return ShrinkableHorz | GrowableHorz
+}
+
+func (rb *ReBar) ToolBar() *ToolBar {
+	return rb.toolBar
+}
+
+func (rb *ReBar) MinSizeHint() Size {
+	return rb.SizeHint()
+}
+
+func (rb *ReBar) SizeHint() Size {
+	// Fetch from toolbar
+	return Size{100, 100}
+}
+
+type ReBarBandInfo struct {
+	CbSize            uint32
+	FMask             uint32
+	FStyle            uint32
+	ClrFore           win.COLORREF
+	ClrBack           win.COLORREF
+	LpText            uintptr
+	Cch               uint32
+	IImage            int32
+	HwndChild         win.HWND
+	CxMinChild        uint32
+	CyMinChild        uint32
+	Cx                uint32
+	HbmBack           win.HBITMAP
+	WID               uint32
+	CyChild           uint32
+	CyMaxChild        uint32
+	CyIntegral        uint32
+	CxIdeal           uint32
+	LParam            uintptr
+	CxHeader          uint32
+	RcChevronLocation win.RECT
+	UChevronState     uint32
+}
diff --git a/toolbar.go b/toolbar.go
index 1076795c..6207c0e9 100644
--- a/toolbar.go
+++ b/toolbar.go
@@ -57,7 +57,7 @@ func NewToolBarWithOrientationAndButtonStyle(parent Container, orientation Orien
 		tb,
 		parent,
 		"ToolbarWindow32",
-		win.CCS_NODIVIDER|win.TBSTYLE_FLAT|win.TBSTYLE_TOOLTIPS|style,
+		win.CCS_NODIVIDER|win.TBSTYLE_FLAT|win.TBSTYLE_TOOLTIPS|win.CCS_BOTTOM|win.CCS_NOMOVEY|style,
 		0); err != nil {
 		return nil, err
 	}
@@ -70,7 +70,7 @@ func NewToolBarWithOrientationAndButtonStyle(parent Container, orientation Orien
 }
 
 func NewToolBar(parent Container) (*ToolBar, error) {
-	return NewToolBarWithOrientationAndButtonStyle(parent, Horizontal, ToolBarButtonImageOnly)
+	return NewToolBarWithOrientationAndButtonStyle(parent, Horizontal, ToolBarButtonTextOnly)
 }
 
 func NewVerticalToolBar(parent Container) (*ToolBar, error) {