static UINT_PTR APIENTRY // Hook for open or save file dialogs.
OpenOrSaveFileNameHook(HWND hdlg, UINT uiMsg, WPARAM wParam, LPARAM lParam)
{
HWND hMainDlg;
/* Because we use the OFN_EXPLORER flag and we specify a hook function, Windows
creates a child dialog for us and the hdlg parameter to this hook is the child
dialog.
*/
hMainDlg = GetParent(hdlg);
if (hMainDlg == NULL)
return 0;
switch(uiMsg) {
case WM_INITDIALOG:
/* HR, 090121, XOPSupport 5.09: Because we now use OFN_ENABLESIZING, the OS positions
sizes the dialog. However, without this hook, the dialog initially comes up in the top/left
corner of the frame window. Therefore I decided to leave the hook in. After this hook
positions the window, the OS repositions and resizes it which may cause a brief flash.
*/
PositionWinDialogWindow(hMainDlg, NULL);
break;
}
return 0; // Let default dialog box procedure process the message.
}
static INT_PTR CALLBACK
DialogProc(HWND theDialog, UINT msgCode, WPARAM wParam, LPARAM lParam)
{
int itemID, notificationMessage;
BOOL result; // Function result
static DialogStoragePtr dsp;
result = FALSE;
itemID = LOWORD(wParam); // Item, control, or accelerator identifier.
notificationMessage = HIWORD(wParam);
switch(msgCode) {
case WM_INITDIALOG:
// Position nicely relative to the main dialog.
PositionWinDialogWindow(theDialog, GetNextWindow(theDialog, GW_HWNDNEXT));
dsp = (DialogStoragePtr)lParam;
if (InitDialogSettings(theDialog, dsp) != 0) {
EndDialog(theDialog, IDCANCEL); // Should never happen.
return FALSE;
}
SetFocus(GetDlgItem(theDialog, SCALING_OFFSET_TEXT));
result = FALSE; // Tell Windows not to set the input focus
break;
case WM_COMMAND:
switch(itemID) {
case OK_BUTTON:
case CANCEL_BUTTON:
HandleItemHit(theDialog, itemID, dsp);
ShutdownDialogSettings(theDialog, dsp);
EndDialog(theDialog, itemID);
result = TRUE;
break;
default:
if (!IsWinDialogItemHitMessage(theDialog, itemID, notificationMessage))
break; // This is not a message that we need to handle.
HandleItemHit(theDialog, itemID, dsp);
break;
}
break;
}
return result;
}
