File indexing completed on 2024-04-14 14:32:08

 //
 // C++ Implementation: cstatusvar
 //
 // Description: One variable entry in the status bar
 //
 /*
 Copyright 2004-2011 Tomas Mecir <kmuddy@kmuddy.com>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License as
 published by the Free Software Foundation; either version 2 of 
 the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "cstatusvar.h"
 
 #include "cactionmanager.h"
 #include "cstatusvarlist.h"
 #include "cvariablelist.h"
 
 struct cStatusVar::Private {
   QString variable, maxvariable;
   QString caption;
   bool percentage;
   cVariableList *vars;
 };
 
 cStatusVar::cStatusVar (cList *list) : cListObject (list)
 {
   d = new Private;
   d->percentage = false;
   d->vars = nullptr;
 }
 
 cStatusVar::~cStatusVar()
 {
   delete d;
 }
 
 void cStatusVar::objectMoved ()
 {
   // object position changed - must update the status bar
   ((cStatusVarList *) list())->scheduleUpdate();
 }
 
 void cStatusVar::objectEnabled ()
 {
   // object position changed - must update the status bar
   ((cStatusVarList *) list())->scheduleUpdate();
 }
 
 void cStatusVar::objectDisabled ()
 {
   // object position changed - must update the status bar
   ((cStatusVarList *) list())->scheduleUpdate();
 }
 
 void cStatusVar::attribChanged (const QString &name)
 {
   if (name == "variable") {
     d->variable = strVal ("variable");
     updateVisibleName ();
     // remove leading $
     // note that this will lead to this function being called again
     if ((!d->variable.isEmpty()) && (d->variable[0] == '$'))
       setStr ("variable", d->variable.mid (1));
     ((cStatusVarList *) list())->scheduleUpdate();
   }
   else if (name == "max-variable") {
     d->maxvariable = strVal ("max-variable");
     // remove leading $
     // note that this will lead to this function being called again
     if ((!d->maxvariable.isEmpty()) && (d->maxvariable[0] == '$'))
       setStr ("max-variable", d->maxvariable.mid (1));
     ((cStatusVarList *) list())->scheduleUpdate();
   }
   else if (name == "caption") {
     d->caption = strVal ("caption");
     updateVisibleName ();
     ((cStatusVarList *) list())->scheduleUpdate();
   }
   else if (name == "percentage") {
     d->percentage = boolVal ("percentage");\
     ((cStatusVarList *) list())->scheduleUpdate();
   }
 }
 
 void cStatusVar::updateVisibleName()
 {
   if (d->variable.isEmpty() && d->caption.isEmpty())
     cListObject::updateVisibleName();
   else
     setVisibleName (d->caption.isEmpty() ? d->variable : d->caption + " (" + d->variable + ")");
 }
 
 cList::TraverseAction cStatusVar::traverse (int traversalType)
 {
   if (traversalType == STATUSVAR_MATCH) {
     cStatusVarList *svl = (cStatusVarList *) list();
     QString variable = svl->variableName();
     if ((variable == d->variable) || (variable == d->maxvariable))
       // we'll need an update after this is done
       svl->scheduleUpdate ();
     return cList::Continue;
   }
   if (traversalType == STATUSVAR_UPDATE) {
     updateBar ();
     return cList::Continue;
   }
   return cList::Stop;
 }
 
 void cStatusVar::updateBar ()
 {
   QString text;
 
   if (!d->vars)
     d->vars = dynamic_cast<cVariableList *>(cActionManager::self()->object ("variables", list()->session()));
 
   text = d->caption.isEmpty() ? QString() : (d->caption + " ");
 
   if (d->percentage) {
     // if we want percentage, we'll need integer values
     int val = d->vars->getIntValue (d->variable);
     int maxVal = d->vars->exists (d->maxvariable) ? d->vars->getIntValue (d->maxvariable) : 100;
     
     int percent = (maxVal == 0) ? (val * 100 / maxVal) : 0;
     text += QString::number (percent) + "%";
   } else {
     // no percentage - text values
     text += d->vars->getValue (d->variable);
     if (d->vars->exists (d->maxvariable))
       text += "/" + d->vars->getValue (d->maxvariable);
   }
 
   ((cStatusVarList *) list())->addToStatusBar (text);
 }