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openvpn-gui
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Do not open multiple Settings Windows 

- Do not allow more than one settings menu to be opened

Signed-off-by: Selva Nair <selva.nair@gmail.com>
pull/591/head
Selva Nair 2023-01-19 17:02:25 -05:00
parent 71c0a251bf
commit 939cbfd5d5
1 changed files with 26 additions and 4 deletions
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26
main.c
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@ -79,6 +79,9 @@ options_t o;
/* Workaround for ASLR on Windows */
__declspec(dllexport) char aslr_workaround;
/* globals */
static HWND settings_window; /* Handle of Settings window */
static int
VerifyAutoConnections()
{
@ -758,6 +761,18 @@ AboutDialogFunc(UNUSED HWND hDlg, UINT msg, UNUSED WPARAM wParam, LPARAM lParam)
return FALSE;
}
static int CALLBACK
SettingsPsCallback(HWND hwnd, UINT msg, UNUSED LPARAM lParam)
{
switch(msg)
{
case PSCB_INITIALIZED:
settings_window = hwnd;
break;
}
return 0;
}
static void
ShowSettingsDialog()
@ -765,6 +780,13 @@ ShowSettingsDialog()
PROPSHEETPAGE psp[4];
int page_number = 0;
if (settings_window && IsWindow(settings_window))
{
SetForegroundWindow(settings_window);
ShowWindow(settings_window, SW_SHOW);
return;
}
/* General tab */
psp[page_number].dwSize = sizeof(PROPSHEETPAGE);
psp[page_number].dwFlags = PSP_DLGINDIRECT;
@ -807,7 +829,7 @@ ShowSettingsDialog()
PROPSHEETHEADER psh;
psh.dwSize = sizeof(PROPSHEETHEADER);
psh.dwFlags = PSH_USEHICON | PSH_PROPSHEETPAGE | PSH_NOAPPLYNOW | PSH_NOCONTEXTHELP;
psh.dwFlags = PSH_USEHICON | PSH_PROPSHEETPAGE | PSH_NOAPPLYNOW | PSH_NOCONTEXTHELP | PSH_USECALLBACK;
psh.hwndParent = o.hWnd;
psh.hInstance = o.hInstance;
psh.hIcon = LoadLocalizedIcon(ID_ICO_APP);
@ -815,7 +837,7 @@ ShowSettingsDialog()
psh.nPages = page_number;
psh.nStartPage = 0;
psh.ppsp = (LPCPROPSHEETPAGE) &psp;
psh.pfnCallback = NULL;
psh.pfnCallback = SettingsPsCallback;
PropertySheet(&psh);
}