diff options
Diffstat (limited to 'ui/syntax/confview.c')
| -rw-r--r-- | ui/syntax/confview.c | 177 |
1 files changed, 0 insertions, 177 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; -} |