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vdkb_sbar.cc

/*
 * ===========================
 * VDK Builder
 * Version 0.1
 * Revision 0.3
 * July 1999
 * ===========================
 *
 * Copyright (C) 1998, 1999 Mario Motta
 * Developed by Mario Motta <mmotta@guest.net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-130
 */
#if HAVE_CONFIG_H
#include <config.h>
#endif

#if !HAVE_GNOME
  #if ENABLE_NLS
    #include <libintl.h>
//#define _(str) gettext(str)
#define _(str) \
    ( g_utf8_validate(gettext(str),-1,NULL) ? \
    gettext(str) : \
    g_locale_to_utf8(gettext(str),-1,NULL,NULL,NULL) )
#define N_(str) str
  #else
    #define _(str) str
    #define N_(str) str 
  #endif
#else
 #include <gnome.h>
#endif
#include <vdkb2/vdkb_sbar.h>
#include <vdkb2/vdkb_evbox.h>
#include <vdkb2/vdkb_utils.h>
#include <vdkb2/vdkb_form.h>
#include <vdkb2/vdkb_parser.h>
#include <vdkb2/vdkb_objinspect.h>
#include <vdkb2/vdkb_prjman.h>
#include <stdlib.h>
#include <vdkb2/vdkb_fixed.h>
#include "./pixmaps/shadow.xpm"
/*
================================
symbolic constants to templatize
a bit
================================
*/
// for methods and other stuff
#define CLASS VDKBStatusbar
// put here vdk class name string
#define VDK_CLASS "VDKStatusbar"
// put here vdk class name
#define VDK_ANCESTOR  VDKStatusbar
// put here here the widget will be named
// (name+counter)
#define VDK_WIDGET "statusbar"
//=================================================================
extern char* wi_widget_prompts[];
static char buff[128];
static char *shadows[] =
{
"shadow_none","shadow_in","shadow_out","shadow_etched_in",
"shadow_etched_out",0
};
/*
   properties
*/
char* vdksbar_props[] = {  SHADOW,0 };

int CLASS::Counter = 0;
//////////////////////////////////////////////////
// dynamic tables
DEFINE_SIGNAL_LIST(CLASS,VDKBEvStatusbar);
DEFINE_EVENT_LIST(CLASS,VDKBEvStatusbar);
///////////////////////////////////////////////////

/*
  - constructor
 */
CLASS::CLASS(char* name, VDKForm* owner):
  VDKBEvStatusbar(owner),VDKBObject(name)
{
  // newly constructed widget counter is incremented
  // each time
  Counter++;
  int t;
  for(t=0; vdksbar_props[t]; t++)
    proplist.add(VDKBProperty(vdksbar_props[t]));
  SetPropValue(JUSTIFY_INTERNAL,"r_justify");
  SetPropValue( EXPAND_INTERNAL,CHECK_FALSE);
  SetPropValue(FILL_INTERNAL,CHECK_FALSE);
  // assign this to VDKBObject <object> member.
  object = this;
  // connects events.
  CONNECT_COMMON_EVENTS;
  // makes a pop menu common to all widgets (in vdkb_widpopmenu.cc/h)
  // this pop menu will be popped at righ button press event.
  popmenu = new VDKBWidgetPopMenu(this);
}
////////////////////////////////////////////////////////////////
//
//               WRITER TO .FRM FILE
//
///////////////////////////////////////////////////////////////
/*
Writes a .frm format representation
This virtual function is called by VDKBForm::WriteBoxesOnFrm()
a recursive algorithm that scans VDKBForm widget tree.
*/
void
CLASS::WriteOnFrm(FILE* fp, VDKBObject* parentobj)
{
  // first of all call ancestor to write common properties
    // a weird patch, for an obscure reason bkg goes to grey
    // so we force it to nihil
  SetPropValue(NORMALBACKGROUND,NIHIL_PROP);      
  VDKBObject::WriteOnFrm(fp,parentobj);
  fprintf(fp,"\n\t%s%s;",PROP_SHADOW, (char*) GetProp(SHADOW));
}
//////////////////////////////////////////////////////////////////
//
//               PREPARE GUI WIDGETS
//
//////////////////////////////////////////////////////////////////
/*
This method is called by global MakeWidget() in vdkb_design.cc
MakeWidget() scans a table that maps class id's with each
static MakeWidget() for each class. Class id's are generated
during clicks on widget palette.
On return:
0 - successfull
1 - unsupported widget
2 - target is not a container
 */
int
CLASS::MakeWidget(VDKBGuiForm* owner, GdkEvent* ev)
{
  CLASS* statusbar = NULL;
  // autogenerate first suitable button counter
  // to ensure unicity
  // widget name generation failed
  if(!owner->GenerateWidgetName(buff,VDK_WIDGET,&CLASS::Counter))
    // unauthorized operation
    return 2;
  else
    // actually makes widget
    {
      statusbar = new CLASS(buff,owner);
      statusbar->SetSize(30,20);
    }
  // add widget to form
  return owner->AddToSelf(statusbar,ev);
}
/*
This is called by a global CreateSource() in vdkb_parser.cc.
CreateSource() scans a table that maps class names with
each static CreateSource() in widget class.
 */
char*
CLASS::CreateSource(char* buffer,VDKBParser& parser)
{
  char* source;
  char obj_name[128];
  char obj_parent[128];
  char arg[64];
  char tmp[256];
  // get name and parent
  if ( !parser.GetParam(obj_name,buffer,"this:") ||
       !parser.GetParam(obj_parent,buffer,"parent:")
       )
    return NULL;
  else
    source = new char[1024];
  sprintf(tmp,"\n%s = new VDKStatusbar(this);", obj_name);
  strcpy(source,tmp);
  // call ancestor to set common properties
  char* props = VDKBObject::CreateSource(buffer,parser,obj_name);
  if(props)
    {
      strcat(source,props);
      delete[] props;
    }
  if(strcmp(obj_parent,NIHIL_PROP))
    sprintf(tmp,"\n%s->Add(%s",obj_parent,obj_name);
  else
    sprintf(tmp,"\nAdd(%s",obj_name);
  strcat(source,tmp);
  // prepares arguments for add widget to container
  char justify[16],expand[16],fill[16],padding[16];
  if(parser.GetParam(justify,buffer,PROP_JUSTIFY_INTERNAL) &&
     parser.GetParam(expand,buffer,PROP_EXPAND_INTERNAL) &&
     parser.GetParam(fill,buffer,PROP_FILL_INTERNAL) &&
     parser.GetParam(padding,buffer,PROP_PADDING_INTERNAL))
    {
      sprintf(tmp,",%s,%s,%s,%s);",
            justify,expand,fill,padding);
      strcat(source,tmp);
    }
  else
    {
      sprintf(tmp,");");
      strcat(source,tmp);
    }
  // set widget specific properties
  // get shadow
  if(parser.GetParam(arg,buffer,PROP_SHADOW) &&
     strcmp(arg,NIHIL_PROP))
    {
      int ndx = atoi(arg);
      ndx = (ndx >= 0) && (ndx <= 4) ? ndx : 0;
      sprintf(tmp,"\n%s->%s = %s;",
            obj_name,SHADOW,shadows[ndx]);
      strcat(source,tmp);
    }
  /*
    visible property must be wrote after adding it to a parent
    container. That's the reason why is written here and not
    in vdkb_object class as should be. Written only if == false
  */
  parser.WriteVisible( obj_name, arg, source,buffer,  tmp);
  return source;
}
/*
Invoked by VDKBGuiForm::MakeGuiObjects() during gui creation
reading .frm file.
MakeGuiObjects() scans .frm file and call a global CreateWidget()
that scans a table that maps class names with
each static CreateWidget() in widget class.
*/
bool
CLASS::CreateWidget(VDKBGuiForm* owner,
                        char* buffer,VDKBParser& parser)
{
  char obj_name[128];
  char obj_parent[128];
  char arg[32];
  CLASS* statusbar;
  // get name and parent
  if ( !parser.GetParam(obj_name,buffer,"this:") ||
       !parser.GetParam(obj_parent,buffer,"parent:")
       )
      return false;
  statusbar = new CLASS(obj_name,owner);
  statusbar->SetSize(30,20);
  if(parser.GetParam(arg,buffer,PROP_SHADOW) &&
     strcmp(arg,NIHIL_PROP))
      {
        statusbar->SetPropValue(SHADOW,arg);
        int sh = atoi(arg);
        VDKStatusbar *bar = (VDKStatusbar*) *statusbar;
        GtkStatusbar* sbar = GTK_STATUSBAR(bar->Widget());
        gtk_frame_set_shadow_type(GTK_FRAME(sbar->frame),
                             (GtkShadowType) sh);
      }
  // no parent, widget will be added to owner form innerbox
  if(!strcmp(obj_parent,NIHIL_PROP))
      owner->PackToSelf(statusbar, NULL, buffer, parser, obj_parent);
  else
      {
          VDKObject* p = owner->ChildWithName(obj_parent);
          VDKBEventContainer* container = 
            p ? dynamic_cast<VDKBEventContainer*>(p) : 
                     (VDKBEventContainer*) NULL;
          if(container)
            owner->PackToSelf(statusbar, container,
                          buffer,  parser, NULL);
          else
            {
                statusbar->Destroy();
                return false;
            }
    }
  return true;
}

VDKObjectContainer*
CLASS::ExtraWidget(VDKBObjectInspector* isp)
{
  inspector = isp;
  VDKFrame* xframe = new VDKFrame(inspector,NULL,v_box,shadow_etched_in);
  VDKBox* box = new VDKBox(inspector,h_box);
  VDKCustomButton *set = new VDKCustomButton(inspector,(const char**) shadow_xpm,NULL);
  set->Relief = (GtkReliefStyle) 2;
  set->SetTip(_(wi_widget_prompts[13]));
  box->Add(set,l_justify,false,false,0);
  set->Parent(this);
  SignalConnect(set,"clicked",&CLASS::OnSetShadow);
  shadow = new VDKCombo(inspector,NULL);
  shadow->SetSize(100,-1);
  StringList sl;
  int t = 0;
  for(;shadows[t];t++)
    sl.add(VDKString(shadows[t]));
  shadow->PopdownStrings = sl;
  box->Add(shadow,l_justify,false,false,0);
  int r = atoi(GetProp(SHADOW));
  shadow->SelectItem(r);
  xframe->Add(box,l_justify,false,false,false);
  return xframe;
}
/*
 */
bool
CLASS:: OnSetShadow(VDKObject*)
{
  int sel = shadow->Selected;
  sprintf(buff,"%d", sel >= 0 ? sel : 0);
  SetPropValue(SHADOW,buff);
  int shd = atoi(buff);
  GtkStatusbar* bar = GTK_STATUSBAR(statusbar->Widget());
  gtk_frame_set_shadow_type(GTK_FRAME(bar->frame), (GtkShadowType) shd);
  inspector->FormNeedToBeChanged();
  return true;
}








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