trunk/Src/Gtk2/dasher_action.cpp

   1 #include "dasher_action.h"
   2
   3 struct _DasherActionPrivate {
   4   gboolean bActive;
   5 };
   6
   7 typedef struct _DasherActionPrivate DasherActionPrivate;
   8
   9 #define DASHER_ACTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), TYPE_DASHER_ACTION, DasherActionPrivate))
  10
  11 G_DEFINE_ABSTRACT_TYPE(DasherAction, dasher_action, G_TYPE_OBJECT);
  12
  13 /* Gobject boilerplate */
  14 static void
  15 dasher_action_class_init(DasherActionClass *pClass) {
  16   g_type_class_add_private(pClass, sizeof(DasherActionPrivate));
  17
  18   pClass->execute = 0;
  19   pClass->preview = 0;
  20   pClass->activate = 0;
  21   pClass->deactivate = 0;
  22   pClass->get_name = 0;
  23   pClass->get_sub_count = 0;
  24   pClass->get_sub_name = 0;
  25 }
  26
  27 static void
  28 dasher_action_init(DasherAction *pDasherAction) {
  29   DasherActionPrivate *pDasherActionPrivate = DASHER_ACTION_GET_PRIVATE(pDasherAction);
  30
  31   pDasherActionPrivate->bActive = false;
  32 }
  33
  34 /* Public methods */
  35 DasherAction *
  36 dasher_action_new() {
  37   DasherAction *pDasherControl;
  38
  39   pDasherControl = (DasherAction *)(g_object_new(dasher_action_get_type(), NULL));
  40
  41   return pDasherControl;
  42 }
  43
  44 gboolean
  45 dasher_action_execute(DasherAction *pSelf, DasherEditorInternal *pEditor, int iIdx) {
  46   // TODO: Need to make sure that the action is active first
  47
  48   if(DASHER_ACTION_GET_CLASS(pSelf)->execute)
  49     return DASHER_ACTION_GET_CLASS(pSelf)->execute(pSelf, pEditor, iIdx);
  50   else
  51     return false;
  52 }
  53
  54 gboolean
  55 dasher_action_preview(DasherAction *pSelf, DasherEditorInternal *pEditor) {
  56   // TODO: Need to make sure that the action is active first
  57
  58   if(DASHER_ACTION_GET_CLASS(pSelf)->preview)
  59     return DASHER_ACTION_GET_CLASS(pSelf)->preview(pSelf, pEditor);
  60   else
  61     return false;
  62 }
  63
  64 const gchar *
  65 dasher_action_get_name(DasherAction *pSelf) {
  66   if(DASHER_ACTION_GET_CLASS(pSelf)->get_name)
  67     return DASHER_ACTION_GET_CLASS(pSelf)->get_name(pSelf);
  68   else
  69     return 0;
  70 }
  71
  72 int
  73 dasher_action_get_sub_count(DasherAction *pSelf) {
  74   if(DASHER_ACTION_GET_CLASS(pSelf)->get_sub_count)
  75     return DASHER_ACTION_GET_CLASS(pSelf)->get_sub_count(pSelf);
  76   else
  77     return 0;
  78 }
  79
  80 const gchar *
  81 dasher_action_get_sub_name(DasherAction *pSelf, int iIdx) {
  82   if(DASHER_ACTION_GET_CLASS(pSelf)->get_sub_name)
  83     return DASHER_ACTION_GET_CLASS(pSelf)->get_sub_name(pSelf, iIdx);
  84   else
  85     return NULL;
  86 }
  87
  88 gboolean
  89 dasher_action_activate(DasherAction *pSelf) {
  90   DasherActionPrivate *pDasherActionPrivate = DASHER_ACTION_GET_PRIVATE(pSelf);
  91
  92   if(pDasherActionPrivate->bActive)
  93     return true;
  94
  95   if(DASHER_ACTION_GET_CLASS(pSelf)->activate) {
  96     pDasherActionPrivate->bActive = DASHER_ACTION_GET_CLASS(pSelf)->activate(pSelf);
  97     return pDasherActionPrivate->bActive;
  98   }
  99   else {
 100     pDasherActionPrivate->bActive = true;
 101     return true;
 102   }
 103 }
 104
 105 gboolean
 106 dasher_action_deactivate(DasherAction *pSelf) {
 107   DasherActionPrivate *pDasherActionPrivate = DASHER_ACTION_GET_PRIVATE(pSelf);
 108
 109   if(!(pDasherActionPrivate->bActive))
 110     return true;
 111
 112   if(DASHER_ACTION_GET_CLASS(pSelf)->deactivate) {
 113     pDasherActionPrivate->bActive = !DASHER_ACTION_GET_CLASS(pSelf)->deactivate(pSelf);
 114     return !(pDasherActionPrivate->bActive);
 115   }
 116   else {
 117     pDasherActionPrivate->bActive = false;
 118     return true;
 119   }
 120 }
 121
 122 gboolean
 123 dasher_action_get_active(DasherAction *pSelf) {
 124   DasherActionPrivate *pDasherActionPrivate = DASHER_ACTION_GET_PRIVATE(pSelf);
 125
 126   return pDasherActionPrivate->bActive;
 127 }