//
/// Called by EvHelp() to activate the help file with the help context ID.
//
void
THelpFileManager::ActivateHelp(TWindow* /*window*/, int helpFileContextId, uint helpCmd)
{
if (helpCmd == HELP_INDEX || helpCmd == HELP_CONTENTS)
helpCmd = HELP_FINDER;
TApplication* app = TYPESAFE_DOWNCAST(this, TApplication);
#if !defined(NO_HTMLHELP)
if(UseHTMLHelp){
if (app)
HelpState = ToBool(HtmlHelp(app->GetMainWindow(), GetHelpFile().c_str(),
helpCmd, helpFileContextId) != 0);
else
HelpState = ToBool(HtmlHelp(0, GetHelpFile().c_str(),
helpCmd, helpFileContextId) != 0);
}
else{
#endif
if (app)
HelpState = ToBool(app->GetMainWindow()->WinHelp(GetHelpFile().c_str(),
helpCmd, helpFileContextId));
else
HelpState = ToBool(::WinHelp(0, GetHelpFile().c_str(),
helpCmd, helpFileContextId));
#if !defined(NO_HTMLHELP)
}
#endif
}
//
/// Responds to a menu item selection.
//
void
TRecentFiles::CmFile(uint id)
{
TApplication* app = TYPESAFE_DOWNCAST(this, TApplication);
TFrameWindow* window = app ? app->GetMainWindow() : 0;
if (window) {
// Foward menu selection command to specified target
//
window->SendMessage(MruMessage, id, 0);
}
}
//
/// Deactivates the help.
//
void
THelpFileManager::DeactivateHelp()
{
TApplication* app = TYPESAFE_DOWNCAST(this, TApplication);
#if !defined(NO_HTMLHELP)
if(UseHTMLHelp){
if (app)
HtmlHelp(app->GetMainWindow(), GetHelpFile().c_str(), HELP_QUIT, 0);
else
HtmlHelp(0, GetHelpFile().c_str(), HELP_QUIT, 0);
}
else{
#endif
if (app)
app->GetMainWindow()->WinHelp(GetHelpFile().c_str(), HELP_QUIT, 0);
else
::WinHelp(0, GetHelpFile().c_str(), HELP_QUIT, 0);
#if !defined(NO_HTMLHELP)
}
#endif
}
bool
THelpFileManager::ProcessHelpMsg (MSG& msg)
{
if (msg.message == WM_COMMAND) {
// help command from menu or from gadget from "what this?" for gadget
if (ContextHelp || (::GetKeyState(VK_F1) < 0)) {
ContextHelp = false;
HELPINFO Info;
Info.cbSize = sizeof(Info);
Info.iContextType = HELPINFO_MENUITEM;
Info.iCtrlId = static_cast<int>(msg.wParam);
Info.dwContextId = 0;
EvHelp(Info);
return true;
}
}
else{
switch (msg.message) {
case WM_KEYDOWN :
if (msg.wParam == VK_F1) {
// If the Shift/F1 then set the help cursor and turn on the modal help state.
if (::GetKeyState(VK_SHIFT) < 0 && !ContextHelp) {
CmContextHelp();
return true; // Gobble up the message.
}
}
else {
if (ContextHelp && (msg.wParam == VK_ESCAPE)) {
ContextHelp = false;
TApplication* app = TYPESAFE_DOWNCAST(this, TApplication);
if (app)
app->GetMainWindow()->SetCursor(0, IDC_ARROW); //?????????????????
return true; // Gobble up the message.
}
}
break;
case WM_MOUSEMOVE :
case WM_NCMOUSEMOVE :
if(ContextHelp){
SetHelpCursor();
return true; // Gobble up the message.
}
break;
case WM_INITMENU :
if(ContextHelp) {
SetHelpCursor();
return true; // Gobble up the message.
}
break;
case WM_ENTERIDLE :
if(msg.wParam == MSGF_MENU)
if (GetKeyState(VK_F1) < 0) {
ContextHelp = true;
TApplication* app = TYPESAFE_DOWNCAST(this, TApplication);
if (app)
app->GetMainWindow()->PostMessage(WM_KEYDOWN, VK_RETURN, 0L);
return true; // Gobble up the message.
}
break;
default :
;
} // End of switch
}
// Continue normal processing.
return false;
}
