/*
* Create a tooltip for the control passed as first parameter
* duration sets the duration in ms. Use -1 for default
* message is an UTF-8 string
*/
BOOL CreateTooltip(HWND hControl, const char* message, int duration)
{
TOOLINFOW toolInfo = {0};
int i;
if ( (hControl == NULL) || (message == NULL) ) {
return FALSE;
}
// Destroy existing tooltip if any
DestroyTooltip(hControl);
// Find an empty slot
for (i=0; i<MAX_TOOLTIPS; i++) {
if (ttlist[i].hTip == NULL) break;
}
if (i >= MAX_TOOLTIPS) {
uprintf("Maximum number of tooltips reached (%d)\n", MAX_TOOLTIPS);
return FALSE;
}
// Create the tooltip window
ttlist[i].hTip = CreateWindowExW(0, TOOLTIPS_CLASSW, NULL, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, hMainDialog, NULL,
hMainInstance, NULL);
if (ttlist[i].hTip == NULL) {
return FALSE;
}
ttlist[i].hCtrl = hControl;
// Subclass the tooltip to handle multiline
ttlist[i].original_proc = (WNDPROC)SetWindowLongPtr(ttlist[i].hTip, GWLP_WNDPROC, (LONG_PTR)TooltipCallback);
// Set the string to display (can be multiline)
ttlist[i].wstring = utf8_to_wchar(message);
// Set tooltip duration (ms)
PostMessage(ttlist[i].hTip, TTM_SETDELAYTIME, (WPARAM)TTDT_AUTOPOP, (LPARAM)duration);
// Associate the tooltip to the control
toolInfo.cbSize = sizeof(toolInfo);
toolInfo.hwnd = ttlist[i].hTip; // Set to the tooltip itself to ease up subclassing
toolInfo.uFlags = TTF_IDISHWND | TTF_SUBCLASS | ((right_to_left_mode)?TTF_RTLREADING:0);
toolInfo.uId = (UINT_PTR)hControl;
toolInfo.lpszText = LPSTR_TEXTCALLBACKW;
SendMessageW(ttlist[i].hTip, TTM_ADDTOOLW, 0, (LPARAM)&toolInfo);
return TRUE;
}
nsresult
nsXULTooltipListener::HideTooltip()
{
mCachedMouseEvent = nsnull;
#ifdef MOZ_XUL
nsCOMPtr<nsIContent> currentTooltip = do_QueryReferent(mCurrentTooltip);
if (currentTooltip) {
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
if (pm)
pm->HidePopup(currentTooltip, PR_FALSE, PR_FALSE, PR_FALSE);
}
#endif
DestroyTooltip();
return NS_OK;
}
NS_IMETHODIMP
nsXULTooltipListener::PopupHiding(nsIDOMEvent* aEvent)
{
DestroyTooltip();
return NS_OK;
}
