complexmsgfindwinc.c

linux下的E_MAIL客户端源码

 *  push button is enabled only if the text field is not empty.
 */

void
ComplexMsgFindWinC::EnablePB(Widget tf, Widget pb, XtPointer)
{
   char	*cs = XmTextFieldGetString(tf);
   XtSetSensitive(pb, strlen(cs)>0);
   XtFree(cs);
}

/*---------------------------------------------------------------
 *  Callback routines to handle operator menu selections
 */

void
ComplexMsgFindWinC::ChangeDateOp(Widget w, ComplexMsgFindWinC *This, XtPointer)
{
   MsgDateExpC::MsgDateOp	ptr;
   XtVaGetValues(w, XmNuserData, &ptr, NULL);
   This->dateOp = ptr;
}

void
ComplexMsgFindWinC::ChangeNumOp(Widget w, ComplexMsgFindWinC *This, XtPointer)
{
   MsgNumExpC::MsgNumOp	ptr;
   XtVaGetValues(w, XmNuserData, &ptr, NULL);
   This->numOp = ptr;
}

void
ComplexMsgFindWinC::ChangeLineOp(Widget w, ComplexMsgFindWinC *This, XtPointer)
{
   MsgLineExpC::MsgLineOp	ptr;
   XtVaGetValues(w, XmNuserData, &ptr, NULL);
   This->lineOp = ptr;
}

void
ComplexMsgFindWinC::ChangeByteOp(Widget w, ComplexMsgFindWinC *This, XtPointer)
{
   MsgByteExpC::MsgByteOp	ptr;
   XtVaGetValues(w, XmNuserData, &ptr, NULL);
   This->byteOp = ptr;
}

/*---------------------------------------------------------------
 *  Callback routine to handle press of status type button
 */

void
ComplexMsgFindWinC::ChangeStatus(Widget w, ComplexMsgFindWinC *This, XtPointer)
{
   MsgStatusT	ptr;
   XtVaGetValues(w, XmNuserData, &ptr, NULL);
   This->stat = ptr;
}

/*---------------------------------------------------------------
 *  Callback routine to handle press of "find prev" button in find
 *     message dialog
 */

void
ComplexMsgFindWinC::DoFindPrev(Widget, ComplexMsgFindWinC *This, XtPointer)
{
//
// Replace the apply callback
//
   This->RemoveApplyCallback((CallbackFn *)DoFind, (void *)This);
   This->AddApplyCallback((CallbackFn *)DoFindPrev2, (void *)This);

   This->Apply();

//
// Restore the apply callback
//
   This->RemoveApplyCallback((CallbackFn *)DoFindPrev2, (void *)This);
   This->AddApplyCallback((CallbackFn *)DoFind, (void *)This);

} // End DoFindPrev

/*---------------------------------------------------------------
 *  Callback routine to handle press of "find all" button in find
 *     message dialog
 */

void
ComplexMsgFindWinC::DoFindAll(Widget, ComplexMsgFindWinC *This, XtPointer)
{
//
// Replace the apply callback
//
   This->RemoveApplyCallback((CallbackFn *)DoFind, (void *)This);
   This->AddApplyCallback((CallbackFn *)DoFindAll2, (void *)This);

   This->Apply();

//
// Restore the apply callback
//
   This->RemoveApplyCallback((CallbackFn *)DoFindAll2, (void *)This);
   This->AddApplyCallback((CallbackFn *)DoFind, (void *)This);

} // End DoFindAll

/*---------------------------------------------------------------
 *  Callback routine to handle press of find button in find message dialog
 */

void
ComplexMsgFindWinC::DoFind(BoolExpC *be, ComplexMsgFindWinC *This)
{
   This->ClearMessage();
   if ( !be ) return;

//
// Loop through message list of current folder
//
   VItemListC&	msgList = ishApp->mainWin->MsgVBox().VisItems();
   unsigned	count = msgList.size();
   MsgItemC	*item = NULL;
   Boolean	found = False;
   int		index;
   int		start;

//
// If there is a single selected message, use that as the start index
//
   VItemListC&	selList = ishApp->mainWin->MsgVBox().SelItems();
   if ( selList.size() == 1 ) {
      VItemC	*item = selList[0];
      start = msgList.indexOf(item) + 1;
      if ( start >= count ) start = 0;
   }
   else
      start = This->findIndex;

//
// Loop from the start position to the end of the list
//
   for (index=start; !found && index<count; index++) {
      item = (MsgItemC*)msgList[index];
      found = be->Match(item);
   }

//
// Loop from the beginning of the list to the start position
//
   if ( !found ) {
      for (index=0; !found && index<start; index++) {
	 item = (MsgItemC*)msgList[index];
	 found = be->Match(item);
      }
   }

//
// Select the item if it was found
//
   if ( found ) {

//
// See if there is an unpinned reading window displayed
//
      found = False;
      unsigned	rcount = ishApp->readWinList.size();
      for (int i=0; !found && i<rcount; i++) {
	 ReadWinC	*readWin = (ReadWinC*)*ishApp->readWinList[i];
	 found = (readWin->IsShown() && !readWin->Pinned());
      }

      if ( found ) {
	 ishApp->DisplayMessage(item->msg);
      } else {
	 ishApp->mainWin->FieldView().ScrollToItem(*item);
	 ishApp->mainWin->MsgVBox().SelectItemOnly(*item);
      }

//
// Next time, start at message after this one
//
      This->findIndex = index + 1;
      if ( This->findIndex >= count ) This->findIndex = 0;
   }

   else {
      ishApp->mainWin->MsgVBox().DeselectAllItems();
      This->findIndex = 0;
      This->Message("No match");
      XBell(halApp->display, ishApp->appPrefs->bellVolume);
   }

} // End DoFind

/*---------------------------------------------------------------
 *  Callback routine to handle press of "find prev" button
 */

void
ComplexMsgFindWinC::DoFindPrev2(BoolExpC *be, ComplexMsgFindWinC *This)
{
   This->ClearMessage();
   if ( !be ) return;

//
// Loop through message list of current folder
//
   VItemListC&	msgList = ishApp->mainWin->MsgVBox().VisItems();
   unsigned	count = msgList.size();
   MsgItemC	*item = NULL;
   Boolean	found = False;
   int		index;
   int		start;

//
// If there is a single selected message, use that as the start index
//
   VItemListC&	selList = ishApp->mainWin->MsgVBox().SelItems();
   if ( selList.size() == 1 ) {
      VItemC	*item = selList[0];
      start = msgList.indexOf(item) - 1;
      if ( start <= 0 ) start = count - 1;
   }
   else
      start = This->findIndex;

//
// Loop from the start position to the beginning of the list
//
   for (index=start; !found && index>=0; index--) {
      item = (MsgItemC*)msgList[index];
      found = be->Match(item);
   }

//
// Loop from the end of the list to the start position
//
   if ( !found ) {
      for (index=count-1; !found && index>start; index--) {
	 item = (MsgItemC*)msgList[index];
	 found = be->Match(item);
      }
   }

//
// Select the item if it was found
//
   if ( found ) {

//
// See if there is an unpinned reading window displayed
//
      found = False;
      unsigned	rcount = ishApp->readWinList.size();
      for (int i=0; !found && i<rcount; i++) {
	 ReadWinC	*readWin = (ReadWinC*)*ishApp->readWinList[i];
	 found = (readWin->IsShown() && !readWin->Pinned());
      }

      if ( found ) {
	 ishApp->DisplayMessage(item->msg);
      } else {
	 ishApp->mainWin->FieldView().ScrollToItem(*item);
	 ishApp->mainWin->MsgVBox().SelectItemOnly(*item);
      }

//
// Next time, start at message before this one
//
      This->findIndex = index - 1;
      if ( This->findIndex <= 0 ) This->findIndex = count-1;
   }

   else {
      ishApp->mainWin->MsgVBox().DeselectAllItems();
      This->findIndex = 0;
      This->Message("No match");
      XBell(halApp->display, ishApp->appPrefs->bellVolume);
   }

} // End DoFindPrev2

/*---------------------------------------------------------------
 *  Callback routine for Apply function
 */

void
ComplexMsgFindWinC::DoFindAll2(BoolExpC *be, ComplexMsgFindWinC *This)
{
   This->ClearMessage();
   if ( !be ) return;

   ishApp->mainWin->BusyCursor(True);

//
// Loop through message list of current folder
//
   This->findIndex = 0;

   ishApp->mainWin->MsgVBox().DeselectAllItems(False);

   VItemListC&	msgList = ishApp->mainWin->MsgVBox().VisItems();
   unsigned	count = msgList.size();

   for (int i=0; i<count; i++) {

      MsgItemC	*item = (MsgItemC*)msgList[i];
      if ( be->Match(item) )
	 ishApp->mainWin->MsgVBox().SelectItem(*item, False);

   } // End for each item


   VItemListC&	selItems = ishApp->mainWin->MsgVBox().SelItems();
   if ( selItems.size() > 0 ) {

      StringC	tmp;
      tmp += (int)selItems.size();
      tmp += " item";
      if ( selItems.size() > 1 ) tmp += "s";
      tmp += " selected";
      This->Message(tmp);

//
// See if there is an unpinned reading window displayed
//
      Boolean	found = False;
      unsigned	rcount = ishApp->readWinList.size();
      for (int i=0; !found && i<rcount; i++) {
	 ReadWinC	*readWin = (ReadWinC*)*ishApp->readWinList[i];
	 found = (readWin->IsShown() && !readWin->Pinned());
      }

      MsgItemC	*item = (MsgItemC*)selItems[0];
      if ( found )
	 ishApp->DisplayMessage(item->msg);
      else
	 ishApp->mainWin->FieldView().ScrollToItem(*item);
   }
   else {
      This->Message("No match");
      XBell(halApp->display, ishApp->appPrefs->bellVolume);
   }

   ishApp->mainWin->MsgVBox().Refresh();
   ishApp->mainWin->EnableButtons();

   ishApp->mainWin->BusyCursor(False);

} // End DoFindAll2