mirror of
https://github.com/reactos/reactos.git
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135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* PROJECT: ReactOS Applications Manager
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: base/applications/rapps/richedit.c
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* PURPOSE: RichEdit functions
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* PROGRAMMERS: Dmitry Chapyshev (dmitry@reactos.org)
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*/
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#include "rapps.h"
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HWND hRichEdit;
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PWSTR pLink = NULL;
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VOID
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RichEditOnLink(HWND hwnd, ENLINK *Link)
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{
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switch (Link->msg)
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{
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case WM_LBUTTONUP:
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case WM_RBUTTONUP:
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{
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if (pLink) HeapFree(GetProcessHeap(), 0, pLink);
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pLink = (PWSTR) HeapAlloc(GetProcessHeap(),
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0,
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(max(Link->chrg.cpMin, Link->chrg.cpMax) -
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min(Link->chrg.cpMin, Link->chrg.cpMax))*sizeof(WCHAR));
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if (!pLink)
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{
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/* TODO: Error message */
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return;
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}
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SendMessageW(hRichEdit, EM_SETSEL, Link->chrg.cpMin, Link->chrg.cpMax);
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SendMessageW(hRichEdit, EM_GETSELTEXT, 0, (LPARAM)pLink);
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ShowPopupMenu(hwnd, IDR_LINKMENU);
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}
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break;
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}
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}
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static VOID
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SetRangeFormatting(LONG Start, LONG End, DWORD dwEffects)
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{
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CHARFORMAT2 CharFormat;
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SendMessageW(hRichEdit, EM_SETSEL, Start, End);
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ZeroMemory(&CharFormat, sizeof(CHARFORMAT2));
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CharFormat.cbSize = sizeof(CHARFORMAT2);
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CharFormat.dwMask = dwEffects;
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CharFormat.dwEffects = dwEffects;
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SendMessageW(hRichEdit, EM_SETCHARFORMAT, SCF_WORD | SCF_SELECTION, (LPARAM)&CharFormat);
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SendMessageW(hRichEdit, EM_SETSEL, End, End + 1);
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}
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static LONG
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GetRichEditTextLen(VOID)
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{
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GETTEXTLENGTHEX TxtLenStruct;
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TxtLenStruct.flags = GTL_NUMCHARS;
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TxtLenStruct.codepage = 1200;
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return (LONG) SendMessageW(hRichEdit, EM_GETTEXTLENGTHEX, (WPARAM)&TxtLenStruct, 0);
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}
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/*
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* Insert text (without cleaning old text)
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* Supported effects:
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* - CFM_BOLD
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* - CFM_ITALIC
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* - CFM_UNDERLINE
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* - CFM_LINK
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*/
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VOID
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InsertRichEditText(LPCWSTR lpszText, DWORD dwEffects)
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{
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SETTEXTEX SetText;
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LONG Len = GetRichEditTextLen();
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/* Insert new text */
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SetText.flags = ST_SELECTION;
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SetText.codepage = 1200;
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SendMessageW(hRichEdit, EM_SETTEXTEX, (WPARAM)&SetText, (LPARAM)lpszText);
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SetRangeFormatting(Len, Len + wcslen(lpszText),
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(dwEffects == CFM_LINK) ? (PathIsURLW(lpszText) ? dwEffects : 0) : dwEffects);
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}
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/*
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* Clear old text and add new
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*/
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VOID
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NewRichEditText(LPCWSTR lpszText, DWORD dwEffects)
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{
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SetWindowTextW(hRichEdit, L"");
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InsertRichEditText(lpszText, dwEffects);
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}
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BOOL
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CreateRichEdit(HWND hwnd)
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{
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LoadLibraryW(L"riched20.dll");
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hRichEdit = CreateWindowExW(0,
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L"RichEdit20W",
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NULL,
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WS_CHILD | WS_VISIBLE | ES_MULTILINE |
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ES_LEFT | ES_READONLY,
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205, 28, 465, 100,
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hwnd,
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NULL,
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hInst,
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NULL);
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if (!hRichEdit)
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{
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/* TODO: Show error message */
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return FALSE;
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}
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SendMessageW(hRichEdit, EM_SETBKGNDCOLOR, 0, GetSysColor(COLOR_BTNFACE));
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SendMessageW(hRichEdit, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), 0);
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SendMessageW(hRichEdit, EM_SETEVENTMASK, 0, ENM_LINK | ENM_MOUSEEVENTS);
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SendMessageW(hRichEdit, EM_SHOWSCROLLBAR, SB_VERT, TRUE);
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return TRUE;
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}
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