cde/programs/dtprintinfo/UI/DtActions.C

   1 /*
   2  * CDE - Common Desktop Environment
   3  *
   4  * Copyright (c) 1993-2012, The Open Group. All rights reserved.
   5  *
   6  * These libraries and programs are free software; you can
   7  * redistribute them and/or modify them under the terms of the GNU
   8  * Lesser General Public License as published by the Free Software
   9  * Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  * These libraries and programs are distributed in the hope that
  13  * they will be useful, but WITHOUT ANY WARRANTY; without even the
  14  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15  * PURPOSE. See the GNU Lesser General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with these librararies and programs; if not, write
  20  * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  21  * Floor, Boston, MA 02110-1301 USA
  22  */
  23 /* $TOG: DtActions.C /main/4 1998/08/03 16:30:18 mgreess $ */
  24 /*                                                                      *
  25  * (c) Copyright 1993, 1994 Hewlett-Packard Company                     *
  26  * (c) Copyright 1993, 1994 International Business Machines Corp.       *
  27  * (c) Copyright 1993, 1994 Sun Microsystems, Inc.                      *
  28  * (c) Copyright 1993, 1994 Novell, Inc.                                *
  29  */
  30
  31 #include "stdlib.h"
  32
  33 #include "DtActions.h"
  34 #include "DtMainW.h"
  35 #include "Button.h"
  36 #include "Sep.h"
  37
  38 DtActions::DtActions(AnyUI *parent,
  39                      char *name,
  40                      char *mnemonic)
  41         : Menu(parent, name, mnemonic)
  42 {
  43    // Empty
  44 }
  45
  46 class DtAction : public Button {
  47
  48  public:
  49
  50    static void ActionCB(void *);
  51    char *actionReferenceName;
  52    ActionCallback actionCallback;
  53    void *actionCallbackData;
  54
  55    ~DtAction();
  56
  57    DtAction(char *category, AnyUI *parent, char *name, char *mnemonic,
  58             char *acceleratorText, char *accelerator, char *actionReferenceName,
  59             ActionCallback callbackCB, void *callback_data);
  60 };
  61
  62 DtAction::DtAction(char *category,
  63                    AnyUI *parent,
  64                    char *name,
  65                    char *mnemonic,
  66                    char *acceleratorText,
  67                    char *accelerator,
  68                    char *actionName,
  69                    ActionCallback callbackCB,
  70                    void *callback_data)
  71         : Button(category, parent, name, PUSH_BUTTON, NULL, NULL,
  72                  mnemonic, acceleratorText, accelerator)
  73 {
  74    actionReferenceName = strdup(actionName);
  75    actionCallback = callbackCB;
  76    actionCallbackData = callback_data;
  77    Callback(ActionCB);
  78 }
  79
  80 DtAction::~DtAction()
  81 {
  82    free(actionReferenceName);
  83 }
  84
  85 void DtAction::ActionCB(void *callback_data)
  86 {
  87    DtAction *action = (DtAction *) callback_data;
  88    BaseUI *obj = ((DtActions *)action->Parent())->SelectedObject();
  89    if (obj && action->actionCallback)
  90       (*action->actionCallback)(action->actionCallbackData, obj,
  91                                 action->actionReferenceName);
  92 }
  93
  94 void DtActions::AddSep(char *objectClassName)
  95 {
  96    new Sep(objectClassName, this);
  97 }
  98
  99 void DtActions::AddAction(char *name, char *category, char *actionReferenceName,
 100                           ActionCallback callback, void *callback_data,
 101                           char *mnemonic, char *acceleratorText,
 102                           char *accelerator)
 103 {
 104    new DtAction(category, this, name, mnemonic, acceleratorText, accelerator,
 105                 actionReferenceName, callback, callback_data);
 106 }
 107
 108 void DtActions::UpdateActions(int n_items, BaseUI *obj)
 109 {
 110    if (n_items == 1)
 111     {
 112       Active(true);
 113       int i;
 114       for (i = 0; i < _numChildren; i++)
 115        {
 116          if (!_children[i]->Category() ||
 117              !STRCMP(_children[i]->Category(), obj->Category()))
 118             _children[i]->Visible(true);
 119          else
 120             _children[i]->Visible(false);
 121        }
 122     }
 123    else
 124       Active(false);
 125    selected_object = obj;
 126 }
 127
 128 boolean DtActions::HandleHelpRequest()
 129 {
 130    DtMainW *window = (DtMainW *)Parent()->Parent();
 131    if (Active())
 132     {
 133       if (strcmp(selected_object->Category(), "Queue"))
 134          window->DisplayHelp("SelectedPrintJobMenuDE");
 135       else
 136          window->DisplayHelp("SelectedPrinterMenuDE");
 137     }
 138    else if (window->PrinterAppMode() == PRINT_MANAGER)
 139       window->DisplayHelp("SelectedMenuDE");
 140    else
 141       window->DisplayHelp("PJSelectedMenuDE");
 142    return true;
 143 }