ui: initial stab at a better confview

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

3 files changed, 0 insertions, 352 deletions

diff --git a/ui/syntax/confview.c b/ui/syntax/confview.c
deleted file mode 100644
index b7e6657b..00000000
--- a/ui/syntax/confview.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-#include <stdlib.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <string.h>
-#include <assert.h>
-#include <windows.h>
-#include <richedit.h>
-#include <richole.h>
-#include <tom.h>
-
-#include "confview.h"
-#include "highlighter.h"
-
-static WNDPROC parent_proc;
-
-static void set_rtf(HWND hWnd, const char *str)
-{
-	SETTEXTEX settextex = {
-		.flags = ST_DEFAULT,
-		.codepage = CP_ACP
-	};
-	CHARRANGE orig_selection;
-	POINT original_scroll;
-
-	SendMessage(hWnd, WM_SETREDRAW, FALSE, 0);
-	SendMessage(hWnd, EM_EXGETSEL, 0, (LPARAM)&orig_selection);
-	SendMessage(hWnd, EM_GETSCROLLPOS, 0, (LPARAM)&original_scroll);
-	SendMessage(hWnd, EM_HIDESELECTION, TRUE, 0);
-	SendMessage(hWnd, EM_SETTEXTEX, (WPARAM)&settextex, (LPARAM)str);
-	SendMessage(hWnd, EM_SETSCROLLPOS, 0, (LPARAM)&original_scroll);
-	SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&orig_selection);
-	SendMessage(hWnd, EM_HIDESELECTION, FALSE, 0);
-	SendMessage(hWnd, WM_SETREDRAW, TRUE, 0);
-	HideCaret(hWnd);
-	RedrawWindow(hWnd, NULL, NULL, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
-}
-
-static void context_menu(HWND hWnd, INT x, INT y)
-{
-	GETTEXTLENGTHEX gettextlengthex = {
-		.flags = GTL_DEFAULT,
-		.codepage = CP_ACP
-	};
-	/* This disturbing hack grabs the system edit menu normally used for the EDIT control. */
-	HMENU popup, menu = LoadMenuW(GetModuleHandleW(L"comctl32.dll"), MAKEINTRESOURCEW(1));
-	CHARRANGE selection = { 0 };
-	bool has_selection, can_selectall;
-	UINT cmd;
-
-	if (!menu)
-		return;
-
-	SendMessage(hWnd, EM_EXGETSEL, 0, (LPARAM)&selection);
-	has_selection = selection.cpMax - selection.cpMin;
-	can_selectall = selection.cpMin || (selection.cpMax < SendMessage(hWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gettextlengthex, 0));
-
-	popup = GetSubMenu(menu, 0);
-	EnableMenuItem(popup, WM_COPY, MF_BYCOMMAND | (has_selection ? MF_ENABLED : MF_GRAYED));
-	EnableMenuItem(popup, EM_SETSEL, MF_BYCOMMAND | (can_selectall ? MF_ENABLED : MF_GRAYED));
-
-	/* Delete items that we don't handle. */
-	for (int ctl = GetMenuItemCount(popup) - 1; ctl >= 0; --ctl) {
-		MENUITEMINFOW menu_item = {
-			.cbSize = sizeof(MENUITEMINFOW),
-			.fMask = MIIM_FTYPE | MIIM_ID
-		};
-		if (!GetMenuItemInfoW(popup, ctl, MF_BYPOSITION, &menu_item))
-			continue;
-		if (menu_item.fType & MFT_SEPARATOR)
-			continue;
-		switch (menu_item.wID) {
-		case WM_COPY:
-		case EM_SETSEL:
-			continue;
-		}
-		DeleteMenu(popup, ctl, MF_BYPOSITION);
-	}
-	/* Delete trailing and adjacent separators. */
-	for (int ctl = GetMenuItemCount(popup) - 1, end = true; ctl >= 0; --ctl) {
-		MENUITEMINFOW menu_item = {
-			.cbSize = sizeof(MENUITEMINFOW),
-			.fMask = MIIM_FTYPE
-		};
-		if (!GetMenuItemInfoW(popup, ctl, MF_BYPOSITION, &menu_item))
-			continue;
-		if (!(menu_item.fType & MFT_SEPARATOR)) {
-			end = false;
-			continue;
-		}
-		if (!end && ctl) {
-			if (!GetMenuItemInfoW(popup, ctl - 1, MF_BYPOSITION, &menu_item))
-				continue;
-			if (!(menu_item.fType & MFT_SEPARATOR))
-				continue;
-		}
-		DeleteMenu(popup, ctl, MF_BYPOSITION);
-	}
-
-	if (x == -1 && y == -1) {
-		RECT rect;
-		GetWindowRect(hWnd, &rect);
-		x = rect.left + (rect.right - rect.left) / 2;
-		y = rect.top + (rect.bottom - rect.top) / 2;
-	}
-
-	if (GetFocus() != hWnd)
-		SetFocus(hWnd);
-
-	cmd = TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_NONOTIFY, x, y, 0, hWnd, NULL);
-	if (cmd)
-		SendMessage(hWnd, cmd, 0, cmd == EM_SETSEL ? -1 : 0);
-
-	DestroyMenu(menu);
-}
-
-static LRESULT CALLBACK child_proc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
-{
-	switch (Msg) {
-	case WM_CREATE:
-		HideCaret(hWnd);
-		break;
-	case WM_LBUTTONDOWN:
-	case WM_SETFOCUS: {
-		LRESULT ret = parent_proc(hWnd, Msg, wParam, lParam);
-		HideCaret(hWnd);
-		return ret;
-	}
-	case WM_SETCURSOR:
-		return 0;
-	case PV_NEWRTF:
-		set_rtf(hWnd, (const char *)wParam);
-		return 0;
-	case WM_CONTEXTMENU:
-		context_menu(hWnd, LOWORD(lParam), HIWORD(lParam));
-		return 0;
-	}
-	return parent_proc(hWnd, Msg, wParam, lParam);
-}
-
-static long has_loaded = 0;
-
-bool register_conf_view(void)
-{
-	WNDCLASSEXW class = { .cbSize = sizeof(WNDCLASSEXW) };
-	WNDPROC pp;
-	HANDLE lib;
-
-	if (InterlockedCompareExchange(&has_loaded, 1, 0) != 0)
-		return !!parent_proc;
-
-	lib = LoadLibraryExW(L"msftedit.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32);
-	if (!lib)
-		return false;
-
-	if (!GetClassInfoExW(NULL, L"RICHEDIT50W", &class))
-		goto err;
-	pp = class.lpfnWndProc;
-	if (!pp)
-		goto err;
-	class.cbSize = sizeof(WNDCLASSEXW);
-	class.hInstance	= GetModuleHandleW(NULL);
-	class.lpszClassName = L"WgConfView";
-	class.lpfnWndProc = child_proc;
-	if (!RegisterClassExW(&class))
-		goto err;
-	parent_proc = pp;
-	return true;
-
-err:
-	FreeLibrary(lib);
-	return false;
-}
diff --git a/ui/syntax/confview.go b/ui/syntax/confview.go
deleted file mode 100644
index ef1c4530..00000000
--- a/ui/syntax/confview.go
+++ /dev/null
@@ -1,155 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package syntax
-
-import (
-	"fmt"
-	"strconv"
-	"strings"
-	"unsafe"
-
-	"github.com/lxn/walk"
-	"golang.zx2c4.com/wireguard/windows/conf"
-)
-
-// #include "confview.h"
-import "C"
-
-type ConfView struct {
-	walk.WidgetBase
-	lastRtf string
-}
-
-func (cv *ConfView) LayoutFlags() walk.LayoutFlags {
-	return walk.GrowableHorz | walk.GrowableVert | walk.GreedyHorz | walk.GreedyVert
-}
-
-func (cv *ConfView) MinSizeHint() walk.Size {
-	return walk.Size{20, 12}
-}
-
-func (cv *ConfView) SizeHint() walk.Size {
-	return walk.Size{200, 100}
-}
-
-func (cv *ConfView) SetConfiguration(conf *conf.Config) {
-	var output strings.Builder
-
-	if conf == nil {
-		t := byte(0)
-		cv.SendMessage(C.PV_NEWRTF, uintptr(unsafe.Pointer(&t)), 0)
-		return
-	}
-
-	escape := func(s string) string {
-		var o strings.Builder
-		for i := 0; i < len(s); i++ {
-			if s[i] > 127 || s[i] == '}' || s[i] == '{' || s[i] == '\\' {
-				o.WriteString(fmt.Sprintf("\\'%d", s[i]))
-				continue
-			}
-			o.WriteByte(s[i])
-		}
-		return o.String()
-	}
-	field := func(key, value string) {
-		output.WriteString(fmt.Sprintf("{\\b %s:} %s\\par", escape(key), escape(value)))
-	}
-
-	output.WriteString("{\\rtf1\\ansi\\fs20")
-
-	field("Interface", conf.Name)
-	field("Public Key", conf.Interface.PrivateKey.Public().String())
-	if conf.Interface.ListenPort > 0 {
-		field("Listen Port", strconv.Itoa(int(conf.Interface.ListenPort)))
-	}
-
-	if conf.Interface.Mtu > 0 {
-		field("MTU", strconv.Itoa(int(conf.Interface.Mtu)))
-	}
-
-	if len(conf.Interface.Addresses) > 0 {
-		addrStrings := make([]string, len(conf.Interface.Addresses))
-		for i, address := range conf.Interface.Addresses {
-			addrStrings[i] = address.String()
-		}
-		field("Address", strings.Join(addrStrings[:], ", "))
-	}
-
-	if len(conf.Interface.Dns) > 0 {
-		addrStrings := make([]string, len(conf.Interface.Dns))
-		for i, address := range conf.Interface.Dns {
-			addrStrings[i] = address.String()
-		}
-		field("DNS", strings.Join(addrStrings[:], ", "))
-	}
-
-	for _, peer := range conf.Peers {
-		output.WriteString("\\par")
-		field("Peer", peer.PublicKey.String())
-
-		if !peer.PresharedKey.IsZero() {
-			output.WriteString("{\\b Preshared Key:} {\\i enabled}\\par")
-		}
-
-		if len(peer.AllowedIPs) > 0 {
-			addrStrings := make([]string, len(peer.AllowedIPs))
-			for i, address := range peer.AllowedIPs {
-				addrStrings[i] = address.String()
-			}
-			field("Allowed IPs", strings.Join(addrStrings[:], ", "))
-		}
-
-		if !peer.Endpoint.IsEmpty() {
-			field("Endpoint", peer.Endpoint.String())
-		}
-
-		if peer.PersistentKeepalive > 0 {
-			field("Persistent Keepalive", strconv.Itoa(int(peer.PersistentKeepalive)))
-		}
-
-		if !peer.LastHandshakeTime.IsEmpty() {
-			field("Latest Handshake", peer.LastHandshakeTime.String())
-		}
-
-		if peer.RxBytes > 0 || peer.TxBytes > 0 {
-			field("Transfer", fmt.Sprintf("%s received, %s sent", peer.RxBytes.String(), peer.TxBytes.String()))
-		}
-	}
-
-	output.WriteString("}")
-
-	text := output.String()
-	if text == cv.lastRtf {
-		return
-	}
-	cv.lastRtf = text
-
-	t := C.CString(text)
-	cv.SendMessage(C.PV_NEWRTF, uintptr(unsafe.Pointer(t)), 0)
-	C.free(unsafe.Pointer(t))
-}
-
-func NewConfView(parent walk.Container) (*ConfView, error) {
-	C.register_conf_view()
-	cv := &ConfView{
-		lastRtf: "",
-	}
-	err := walk.InitWidget(
-		cv,
-		parent,
-		"WgConfView",
-		C.CONFVIEW_STYLE,
-		C.CONFVIEW_EXTSTYLE,
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	cv.GraphicsEffects().Add(walk.InteractionEffect)
-	cv.GraphicsEffects().Add(walk.FocusEffect)
-	return cv, nil
-}
diff --git a/ui/syntax/confview.h b/ui/syntax/confview.h
deleted file mode 100644
index d415dfe8..00000000
--- a/ui/syntax/confview.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-#ifndef CONFVIEW_H
-#define CONFVIEW_H
-
-#include <stdbool.h>
-#include <windows.h>
-#include <richedit.h>
-
-#define CONFVIEW_STYLE (WS_CHILD | WS_CLIPSIBLINGS | ES_MULTILINE | WS_VISIBLE | WS_VSCROLL | ES_READONLY | WS_TABSTOP | ES_WANTRETURN | ES_NOOLEDRAGDROP)
-#define CONFVIEW_EXTSTYLE (WS_EX_TRANSPARENT)
-
-#define PV_NEWRTF (WM_USER + 0x3200)
-
-extern bool register_conf_view(void);
-
-#endif