mirror of
https://git.tartarus.org/simon/putty.git
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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/*
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* Message box with optional context help.
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*/
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#include "putty.h"
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static HWND message_box_owner;
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/* Callback function to launch context help. */
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static VOID CALLBACK message_box_help_callback(LPHELPINFO lpHelpInfo)
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{
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const char *context = NULL;
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#define CHECK_CTX(name) \
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do { \
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if (lpHelpInfo->dwContextId == WINHELP_CTXID_ ## name) \
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context = WINHELP_CTX_ ## name; \
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} while (0)
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CHECK_CTX(errors_hostkey_absent);
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CHECK_CTX(errors_hostkey_changed);
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CHECK_CTX(errors_cantloadkey);
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CHECK_CTX(option_cleanup);
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CHECK_CTX(pgp_fingerprints);
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#undef CHECK_CTX
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if (context)
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launch_help(message_box_owner, context);
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}
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int message_box(HWND owner, LPCTSTR text, LPCTSTR caption,
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DWORD style, DWORD helpctxid)
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{
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MSGBOXPARAMS mbox;
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/*
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* We use MessageBoxIndirect() because it allows us to specify a
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* callback function for the Help button.
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*/
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mbox.cbSize = sizeof(mbox);
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/* Assumes the globals `hinst' and `hwnd' have sensible values. */
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mbox.hInstance = hinst;
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mbox.hwndOwner = message_box_owner = owner;
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mbox.lpfnMsgBoxCallback = &message_box_help_callback;
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mbox.dwLanguageId = LANG_NEUTRAL;
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mbox.lpszText = text;
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mbox.lpszCaption = caption;
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mbox.dwContextHelpId = helpctxid;
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mbox.dwStyle = style;
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if (helpctxid != 0 && has_help()) mbox.dwStyle |= MB_HELP;
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return MessageBoxIndirect(&mbox);
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}
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