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https://github.com/kasmtech/KasmVNC.git
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386 lines
10 KiB
C++
386 lines
10 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright (C) 2010 D. R. Commander. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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// -=- Dialog.cxx
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// Base-class for any Dialog classes we might require
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#include <rfb_win32/Dialog.h>
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#include <rfb_win32/TCharArray.h>
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#include <rfb/LogWriter.h>
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#include <rdr/Exception.h>
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#include <rfb_win32/Win32Util.h>
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#ifdef _DIALOG_CAPTURE
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#ifdef PropSheet_IndexToId
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#include <rfb_win32/DeviceFrameBuffer.h>
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#include <extra/LoadBMP.cxx>
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#else
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#undef _DIALOG_CAPTURE
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#pragma message(" NOTE: Not building Dialog Capture support.")
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#endif
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#endif
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using namespace rfb;
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using namespace rfb::win32;
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static LogWriter dlog("Dialog");
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static LogWriter plog("PropSheet");
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Dialog::Dialog(HINSTANCE inst_)
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: inst(inst_), handle(0), alreadyShowing(false)
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{
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}
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Dialog::~Dialog()
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{
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}
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bool Dialog::showDialog(const TCHAR* resource, HWND owner)
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{
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if (alreadyShowing) return false;
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handle = 0;
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alreadyShowing = true;
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INT_PTR result = DialogBoxParam(inst, resource, owner,
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staticDialogProc, (LPARAM)this);
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if (result<0)
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throw rdr::SystemException("DialogBoxParam failed", GetLastError());
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alreadyShowing = false;
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return (result == 1);
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}
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bool Dialog::isItemChecked(int id) {
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return SendMessage(GetDlgItem(handle, id), BM_GETCHECK, 0, 0) == BST_CHECKED;
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}
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int Dialog::getItemInt(int id) {
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BOOL trans;
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int result = GetDlgItemInt(handle, id, &trans, TRUE);
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if (!trans)
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throw rdr::Exception("unable to read dialog Int");
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return result;
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}
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TCHAR* Dialog::getItemString(int id) {
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TCharArray tmp(256);
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if (!GetDlgItemText(handle, id, tmp.buf, 256))
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tmp.buf[0] = 0;
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return tmp.takeBuf();
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}
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void Dialog::setItemChecked(int id, bool state) {
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SendMessage(GetDlgItem(handle, id), BM_SETCHECK, state ? BST_CHECKED : BST_UNCHECKED, 0);
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}
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void Dialog::setItemInt(int id, int value) {
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SetDlgItemInt(handle, id, value, TRUE);
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}
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void Dialog::setItemString(int id, const TCHAR* s) {
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SetDlgItemText(handle, id, s);
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}
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void Dialog::enableItem(int id, bool state) {
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EnableWindow(GetDlgItem(handle, id), state);
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}
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INT_PTR CALLBACK Dialog::staticDialogProc(HWND hwnd, UINT msg,
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WPARAM wParam, LPARAM lParam)
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{
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if (msg == WM_INITDIALOG)
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SetWindowLongPtr(hwnd, GWLP_USERDATA, lParam);
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LONG_PTR self = GetWindowLongPtr(hwnd, GWLP_USERDATA);
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if (!self) return FALSE;
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return ((Dialog*)self)->dialogProc(hwnd, msg, wParam, lParam);
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}
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BOOL Dialog::dialogProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch (msg) {
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case WM_INITDIALOG:
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handle = hwnd;
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initDialog();
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return TRUE;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDOK:
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if (onOk()) {
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EndDialog(hwnd, 1);
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return TRUE;
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}
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return FALSE;
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case IDCANCEL:
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EndDialog(hwnd, 0);
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return TRUE;
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default:
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return onCommand(LOWORD(wParam), HIWORD(wParam));
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};
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case WM_HELP:
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return onHelp(((HELPINFO*)lParam)->iCtrlId);
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}
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return FALSE;
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}
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PropSheetPage::PropSheetPage(HINSTANCE inst, const TCHAR* id) : Dialog(inst), propSheet(0) {
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page.dwSize = sizeof(page);
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page.dwFlags = 0; // PSP_USECALLBACK;
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page.hInstance = inst;
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page.pszTemplate = id;
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page.pfnDlgProc = staticPageProc;
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page.lParam = (LPARAM)this;
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page.pfnCallback = 0; // staticPageProc;
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}
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PropSheetPage::~PropSheetPage() {
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}
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INT_PTR CALLBACK PropSheetPage::staticPageProc(HWND hwnd, UINT msg,
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WPARAM wParam, LPARAM lParam)
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{
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if (msg == WM_INITDIALOG)
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SetWindowLongPtr(hwnd, GWLP_USERDATA, ((PROPSHEETPAGE*)lParam)->lParam);
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LONG_PTR self = GetWindowLongPtr(hwnd, GWLP_USERDATA);
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if (!self) return FALSE;
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return ((PropSheetPage*)self)->dialogProc(hwnd, msg, wParam, lParam);
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}
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BOOL PropSheetPage::dialogProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch (msg) {
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case WM_INITDIALOG:
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handle = hwnd;
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initDialog();
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return TRUE;
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case WM_NOTIFY:
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switch (((NMHDR*)lParam)->code) {
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case PSN_APPLY:
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onOk();
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return FALSE;
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};
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return FALSE;
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case WM_COMMAND:
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return onCommand(LOWORD(wParam), HIWORD(wParam));
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case WM_HELP:
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return onHelp(((HELPINFO*)lParam)->iCtrlId);
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}
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return FALSE;
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}
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PropSheet::PropSheet(HINSTANCE inst_, const TCHAR* title_, std::list<PropSheetPage*> pages_, HICON icon_)
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: icon(icon_), pages(pages_), inst(inst_), title(tstrDup(title_)), handle(0), alreadyShowing(0) {
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}
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PropSheet::~PropSheet() {
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}
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// For some reason, DLGTEMPLATEEX isn't defined in the Windows headers - go figure...
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struct DLGTEMPLATEEX {
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WORD dlgVer;
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WORD signature;
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DWORD helpID;
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DWORD exStyle;
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DWORD style;
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WORD cDlgItems;
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short x;
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short y;
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short cx;
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short cy;
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};
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static int CALLBACK removeCtxtHelp(HWND hwnd, UINT message, LPARAM lParam) {
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if (message == PSCB_PRECREATE) {
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// Remove the context-help style, to remove the titlebar ? button
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// *** Nasty hack to cope with new & old dialog template formats...
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if (((DLGTEMPLATEEX*)lParam)->signature == 0xffff)
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((DLGTEMPLATEEX*)lParam)->style &= ~DS_CONTEXTHELP;
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else
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((LPDLGTEMPLATE)lParam)->style &= ~DS_CONTEXTHELP;
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}
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return TRUE;
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}
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bool PropSheet::showPropSheet(HWND owner, bool showApply, bool showCtxtHelp, bool capture) {
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if (alreadyShowing) return false;
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alreadyShowing = true;
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int count = pages.size();
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HPROPSHEETPAGE* hpages = new HPROPSHEETPAGE[count];
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try {
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// Create the PropertSheet page GDI objects.
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std::list<PropSheetPage*>::iterator pspi;
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int i = 0;
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for (pspi=pages.begin(); pspi!=pages.end(); pspi++) {
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hpages[i] = CreatePropertySheetPage(&((*pspi)->page));
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(*pspi)->setPropSheet(this);
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i++;
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}
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// Initialise and create the PropertySheet itself
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PROPSHEETHEADER header;
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header.dwSize = sizeof(PROPSHEETHEADER); // Requires comctl32.dll 4.71 or greater, ie IE 4 or later
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header.dwFlags = PSH_MODELESS | (showApply ? 0 : PSH_NOAPPLYNOW) | (showCtxtHelp ? 0 : PSH_USECALLBACK);
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header.pfnCallback = removeCtxtHelp;
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header.hwndParent = owner;
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header.hInstance = inst;
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header.pszCaption = title.buf;
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header.nPages = count;
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header.nStartPage = 0;
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header.phpage = hpages;
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if (icon) {
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header.hIcon = icon;
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header.dwFlags |= PSH_USEHICON;
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}
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handle = (HWND)PropertySheet(&header);
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if ((handle == 0) || (handle == (HWND)-1))
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throw rdr::SystemException("PropertySheet failed", GetLastError());
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centerWindow(handle, owner);
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plog.info("created %p", handle);
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#ifdef _DIALOG_CAPTURE
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if (capture) {
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plog.info("capturing \"%s\"", (const char*)CStr(title.buf));
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char* tmpdir = getenv("TEMP");
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HDC dc = GetWindowDC(handle);
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DeviceFrameBuffer fb(dc);
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int i=0;
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while (true) {
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int id = PropSheet_IndexToId(handle, i);
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if (!id) break;
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PropSheet_SetCurSelByID(handle, id);
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MSG msg;
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while (PeekMessage(&msg, handle, 0, 0, PM_REMOVE)) {
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if (!PropSheet_IsDialogMessage(handle, &msg))
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DispatchMessage(&msg);
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}
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fb.grabRect(fb.getRect());
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TCHAR title[128];
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if (!GetWindowText(PropSheet_GetCurrentPageHwnd(handle), title, sizeof(title)))
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_stprintf(title, _T("capture%d"), i);
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CharArray pageTitle(strDup(title));
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for (int j=0; j<strlen(pageTitle.buf); j++) {
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if (pageTitle.buf[j] == '/' || pageTitle.buf[j] == '\\' || pageTitle.buf[j] == ':')
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pageTitle.buf[j] = '-';
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}
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char filename[256];
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sprintf(filename, "%s\\%s.bmp", tmpdir, pageTitle.buf);
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vlog.debug("writing to %s", filename);
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saveBMP(filename, &fb);
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i++;
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}
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ReleaseDC(handle, dc);
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} else {
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#endif
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try {
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if (owner)
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EnableWindow(owner, FALSE);
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// Run the PropertySheet
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MSG msg;
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while (GetMessage(&msg, 0, 0, 0)) {
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if (!PropSheet_IsDialogMessage(handle, &msg))
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DispatchMessage(&msg);
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if (!PropSheet_GetCurrentPageHwnd(handle))
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break;
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}
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if (owner)
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EnableWindow(owner, TRUE);
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} catch (...) {
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if (owner)
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EnableWindow(owner, TRUE);
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throw;
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}
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#ifdef _DIALOG_CAPTURE
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}
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#endif
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plog.info("finished %p", handle);
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DestroyWindow(handle);
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handle = 0;
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alreadyShowing = false;
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// Clear up the pages' GDI objects
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for (pspi=pages.begin(); pspi!=pages.end(); pspi++)
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(*pspi)->setPropSheet(0);
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delete [] hpages; hpages = 0;
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return true;
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} catch (rdr::Exception&) {
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alreadyShowing = false;
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std::list<PropSheetPage*>::iterator pspi;
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for (pspi=pages.begin(); pspi!=pages.end(); pspi++)
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(*pspi)->setPropSheet(0);
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delete [] hpages; hpages = 0;
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throw;
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}
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}
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void PropSheet::reInitPages() {
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std::list<PropSheetPage*>::iterator pspi;
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for (pspi=pages.begin(); pspi!=pages.end(); pspi++) {
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if ((*pspi)->handle)
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(*pspi)->initDialog();
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}
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}
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bool PropSheet::commitPages() {
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bool result = true;
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std::list<PropSheetPage*>::iterator pspi;
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for (pspi=pages.begin(); pspi!=pages.end(); pspi++) {
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if ((*pspi)->handle)
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result = result && (*pspi)->onOk();
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}
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return result;
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}
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void PropSheetPage::setChanged(bool changed) {
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if (propSheet) {
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if (changed)
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PropSheet_Changed(propSheet->handle, handle);
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else
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PropSheet_UnChanged(propSheet->handle, handle);
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}
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}
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