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Diffstat (limited to 'ui/syntax/syntaxedit.c')
-rw-r--r--ui/syntax/syntaxedit.c411
1 files changed, 0 insertions, 411 deletions
diff --git a/ui/syntax/syntaxedit.c b/ui/syntax/syntaxedit.c
deleted file mode 100644
index 80cff689..00000000
--- a/ui/syntax/syntaxedit.c
+++ /dev/null
@@ -1,411 +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 <windowsx.h>
-#include <richedit.h>
-#include <richole.h>
-#include <tom.h>
-
-#include "syntaxedit.h"
-#include "highlighter.h"
-
-const GUID CDECL IID_ITextDocument = { 0x8CC497C0, 0xA1DF, 0x11CE, { 0x80, 0x98, 0x00, 0xAA, 0x00, 0x47, 0xBE, 0x5D } };
-
-struct syntaxedit_data {
- IRichEditOle *irich;
- ITextDocument *idoc;
- enum block_state last_block_state;
- LONG yheight;
- bool highlight_guard;
-};
-
-static WNDPROC parent_proc;
-
-struct span_style {
- COLORREF color;
- DWORD effects;
-};
-
-static const struct span_style stylemap[] = {
- [HighlightSection] = { .color = RGB(0x32, 0x6D, 0x74), .effects = CFE_BOLD },
- [HighlightField] = { .color = RGB(0x9B, 0x23, 0x93), .effects = CFE_BOLD },
- [HighlightPrivateKey] = { .color = RGB(0x64, 0x38, 0x20) },
- [HighlightPublicKey] = { .color = RGB(0x64, 0x38, 0x20) },
- [HighlightPresharedKey] = { .color = RGB(0x64, 0x38, 0x20) },
- [HighlightIP] = { .color = RGB(0x0E, 0x0E, 0xFF) },
- [HighlightCidr] = { .color = RGB(0x81, 0x5F, 0x03) },
- [HighlightHost] = { .color = RGB(0x0E, 0x0E, 0xFF) },
- [HighlightPort] = { .color = RGB(0x81, 0x5F, 0x03) },
- [HighlightMTU] = { .color = RGB(0x1C, 0x00, 0xCF) },
- [HighlightKeepalive] = { .color = RGB(0x1C, 0x00, 0xCF) },
- [HighlightComment] = { .color = RGB(0x53, 0x65, 0x79), .effects = CFE_ITALIC },
- [HighlightDelimiter] = { .color = RGB(0x00, 0x00, 0x00) },
-#ifndef MOBILE_WGQUICK_SUBSET
- [HighlightTable] = { .color = RGB(0x1C, 0x00, 0xCF) },
- [HighlightFwMark] = { .color = RGB(0x1C, 0x00, 0xCF) },
- [HighlightSaveConfig] = { .color = RGB(0x81, 0x5F, 0x03) },
- [HighlightCmd] = { .color = RGB(0x63, 0x75, 0x89) },
-#endif
- [HighlightError] = { .color = RGB(0xC4, 0x1A, 0x16), .effects = CFE_UNDERLINE }
-};
-
-static void evaluate_untunneled_blocking(struct syntaxedit_data *this, HWND hWnd, const char *msg, struct highlight_span *spans)
-{
- enum block_state state = InevaluableBlockingUntunneledTraffic;
- bool on_allowedips = false;
- bool seen_peer = false;
- bool seen_v6_00 = false, seen_v4_00 = false;
- bool seen_v6_01 = false, seen_v6_80001 = false, seen_v4_01 = false, seen_v4_1281 = false;
-
- for (struct highlight_span *span = spans; span->type != HighlightEnd; ++span) {
- switch (span->type) {
- case HighlightError:
- goto done;
- case HighlightSection:
- if (span->len != 6 || strncasecmp(&msg[span->start], "[peer]", 6))
- break;
- if (!seen_peer)
- seen_peer = true;
- else
- goto done;
- break;
- case HighlightField:
- on_allowedips = span->len == 10 && !strncasecmp(&msg[span->start], "allowedips", 10);
- break;
- case HighlightIP:
- if (!on_allowedips || !seen_peer)
- break;
- if ((span + 1)->type != HighlightDelimiter || (span + 2)->type != HighlightCidr)
- break;
- if ((span + 2)->len != 1)
- break;
- if (msg[(span + 2)->start] == '0') {
- if (span->len == 7 && !strncmp(&msg[span->start], "0.0.0.0", 7))
- seen_v4_00 = true;
- else if (span->len == 2 && !strncmp(&msg[span->start], "::", 2))
- seen_v6_00 = true;
- } else if (msg[(span + 2)->start] == '1') {
- if (span->len == 7 && !strncmp(&msg[span->start], "0.0.0.0", 7))
- seen_v4_01 = true;
- else if (span->len == 9 && !strncmp(&msg[span->start], "128.0.0.0", 9))
- seen_v4_1281 = true;
- else if (span->len == 2 && !strncmp(&msg[span->start], "::", 2))
- seen_v6_01 = true;
- else if (span->len == 6 && !strncmp(&msg[span->start], "8000::", 6))
- seen_v6_80001 = true;
- }
- break;
- }
- }
-
- if (seen_v4_00 || seen_v6_00)
- state = BlockingUntunneledTraffic;
- else if ((seen_v4_01 && seen_v4_1281) || (seen_v6_01 && seen_v6_80001))
- state = NotBlockingUntunneledTraffic;
-
-done:
- if (state != this->last_block_state) {
- SendMessage(hWnd, SE_TRAFFIC_BLOCK, 0, state);
- this->last_block_state = state;
- }
-}
-
-static void highlight_text(HWND hWnd)
-{
- struct syntaxedit_data *this = (struct syntaxedit_data *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
- GETTEXTLENGTHEX gettextlengthex = {
- .flags = GTL_NUMBYTES,
- .codepage = CP_ACP /* Probably CP_UTF8 would be better, but (wine at least) returns utf32 sizes. */
- };
- GETTEXTEX gettextex = {
- .flags = GT_NOHIDDENTEXT,
- .codepage = gettextlengthex.codepage
- };
- CHARFORMAT2 format = {
- .cbSize = sizeof(CHARFORMAT2),
- .dwMask = CFM_COLOR | CFM_CHARSET | CFM_SIZE | CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE,
- .dwEffects = CFE_AUTOCOLOR,
- .yHeight = this->yheight ?: 20 * 10,
- .bCharSet = ANSI_CHARSET
- };
- LRESULT msg_size;
- char *msg = NULL;
- struct highlight_span *spans = NULL;
- CHARRANGE orig_selection;
- POINT original_scroll;
- bool found_private_key = false;
- COLORREF bg_color, bg_inversion;
-
- if (this->highlight_guard)
- return;
- this->highlight_guard = true;
-
- msg_size = SendMessage(hWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gettextlengthex, 0);
- if (msg_size == E_INVALIDARG)
- return;
- gettextex.cb = msg_size + 1;
-
- msg = malloc(msg_size + 1);
- if (!msg)
- goto out;
- if (SendMessage(hWnd, EM_GETTEXTEX, (WPARAM)&gettextex, (LPARAM)msg) <= 0)
- goto out;
-
- /* By default we get CR not CRLF, so just convert to LF. */
- for (size_t i = 0; i < msg_size; ++i) {
- if (msg[i] == '\r')
- msg[i] = '\n';
- }
-
- spans = highlight_config(msg);
- if (!spans)
- goto out;
-
- evaluate_untunneled_blocking(this, hWnd, msg, spans);
-
- this->idoc->lpVtbl->Undo(this->idoc, tomSuspend, NULL);
- SendMessage(hWnd, EM_SETEVENTMASK, 0, 0);
- 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_SETCHARFORMAT, SCF_ALL, (LPARAM)&format);
- bg_color = GetSysColor(COLOR_WINDOW);
- bg_inversion = (bg_color & RGB(0xFF, 0xFF, 0xFF)) ^ RGB(0xFF, 0xFF, 0xFF);
- SendMessage(hWnd, EM_SETBKGNDCOLOR, 0, bg_color);
- for (struct highlight_span *span = spans; span->type != HighlightEnd; ++span) {
- CHARRANGE selection = { span->start, span->len + span->start };
- SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&selection);
- format.crTextColor = stylemap[span->type].color ^ bg_inversion;
- format.dwEffects = stylemap[span->type].effects;
- SendMessage(hWnd, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&format);
- if (span->type == HighlightPrivateKey && !found_private_key) {
- /* Rather than allocating a new string, we mangle this one, since (for now) we don't use msg again. */
- msg[span->start + span->len] = '\0';
- SendMessage(hWnd, SE_PRIVATE_KEY, 0, (LPARAM)&msg[span->start]);
- found_private_key = true;
- }
- }
- 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);
- RedrawWindow(hWnd, NULL, NULL, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
- SendMessage(hWnd, EM_SETEVENTMASK, 0, ENM_CHANGE);
- this->idoc->lpVtbl->Undo(this->idoc, tomResume, NULL);
- if (!found_private_key)
- SendMessage(hWnd, SE_PRIVATE_KEY, 0, 0);
-
-out:
- free(spans);
- free(msg);
- this->highlight_guard = false;
-}
-
-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, can_undo, can_paste;
- 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));
- can_undo = SendMessage(hWnd, EM_CANUNDO, 0, 0);
- can_paste = SendMessage(hWnd, EM_CANPASTE, CF_TEXT, 0);
-
- popup = GetSubMenu(menu, 0);
- EnableMenuItem(popup, WM_UNDO, MF_BYCOMMAND | (can_undo ? MF_ENABLED : MF_GRAYED));
- EnableMenuItem(popup, WM_CUT, MF_BYCOMMAND | (has_selection ? MF_ENABLED : MF_GRAYED));
- EnableMenuItem(popup, WM_COPY, MF_BYCOMMAND | (has_selection ? MF_ENABLED : MF_GRAYED));
- EnableMenuItem(popup, WM_PASTE, MF_BYCOMMAND | (can_paste ? MF_ENABLED : MF_GRAYED));
- EnableMenuItem(popup, WM_CLEAR, 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_UNDO:
- case WM_CUT:
- case WM_COPY:
- case WM_PASTE:
- case WM_CLEAR:
- 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) / 2;
- y = (rect.top + rect.bottom) / 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: {
- struct syntaxedit_data *this = calloc(1, sizeof(*this));
- SetWindowLong(hWnd, GWL_EXSTYLE, GetWindowLong(hWnd, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
- assert(this);
- SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)this);
- SendMessage(hWnd, EM_GETOLEINTERFACE, 0, (LPARAM)&this->irich);
- assert(this->irich);
- this->irich->lpVtbl->QueryInterface(this->irich, &IID_ITextDocument, (void **)&this->idoc);
- assert(this->idoc);
- SendMessage(hWnd, EM_SETEVENTMASK, 0, ENM_CHANGE);
- SendMessage(hWnd, EM_SETTEXTMODE, TM_SINGLECODEPAGE, 0);
- break;
- }
- case WM_DESTROY: {
- struct syntaxedit_data *this = (struct syntaxedit_data *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
- this->idoc->lpVtbl->Release(this->idoc);
- this->irich->lpVtbl->Release(this->irich);
- free(this);
- }
- case WM_SETTEXT: {
- LRESULT ret = parent_proc(hWnd, Msg, wParam, lParam);
- highlight_text(hWnd);
- SendMessage(hWnd, EM_EMPTYUNDOBUFFER, 0, 0);
- return ret;
- }
- case SE_SET_PARENT_DPI: {
- struct syntaxedit_data *this = (struct syntaxedit_data *)GetWindowLongPtr(hWnd, GWLP_USERDATA);
- HDC hdc = GetDC(hWnd);
- if (this->yheight)
- SendMessage(hWnd, EM_SETZOOM, GetDeviceCaps(hdc, LOGPIXELSY), wParam);
- this->yheight = MulDiv(20 * 10, wParam, GetDeviceCaps(hdc, LOGPIXELSY));
- ReleaseDC(hWnd, hdc);
- highlight_text(hWnd);
- return 0;
- }
- case WM_REFLECT + WM_COMMAND:
- case WM_COMMAND:
- case WM_REFLECT + WM_NOTIFY:
- case WM_NOTIFY:
- switch (HIWORD(wParam)) {
- case EN_CHANGE:
- highlight_text(hWnd);
- break;
- }
- break;
- case WM_PASTE:
- SendMessage(hWnd, EM_PASTESPECIAL, CF_TEXT, 0);
- return 0;
- case WM_KEYDOWN: {
- WORD key = LOWORD(wParam);
- if ((key == 'V' && GetKeyState(VK_CONTROL) < 0) ||
- (key == VK_INSERT && GetKeyState(VK_SHIFT) < 0)) {
- SendMessage(hWnd, EM_PASTESPECIAL, CF_TEXT, 0);
- return 0;
- }
- break;
- }
- case WM_CONTEXTMENU:
- context_menu(hWnd, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
- return 0;
- case WM_THEMECHANGED:
- highlight_text(hWnd);
- break;
- case WM_GETDLGCODE: {
- MSG *m = (MSG *)lParam;
- LRESULT lres = parent_proc(hWnd, Msg, wParam, lParam);
- lres &= ~DLGC_WANTTAB;
- if (m && m->message == WM_KEYDOWN && m->wParam == VK_TAB && GetKeyState(VK_CONTROL) >= 0)
- lres &= ~DLGC_WANTMESSAGE;
- return lres;
- }
- }
- return parent_proc(hWnd, Msg, wParam, lParam);
-}
-
-static long has_loaded = 0;
-
-bool register_syntax_edit(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"WgQuickSyntaxEdit";
- class.lpfnWndProc = child_proc;
- if (!RegisterClassExW(&class))
- goto err;
- parent_proc = pp;
- return true;
-
-err:
- FreeLibrary(lib);
- return false;
-}
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