w_textbrowser.c

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00001 /***************************************************************************
00002     begin       : Sun May 16 2010
00003     copyright   : (C) 2010 by Martin Preuss
00004     email       : martin@libchipcard.de
00005 
00006  ***************************************************************************
00007  *          Please see toplevel file COPYING for license details           *
00008  ***************************************************************************/
00009 
00010 
00011 
00012 
00013 
00014 static GWENHYWFAR_CB
00015 int Gtk2Gui_WTextBrowser_SetIntProperty(GWEN_WIDGET *w,
00016                                         GWEN_DIALOG_PROPERTY prop,
00017                                         int index,
00018                                         int value,
00019                                         int doSignal) {
00020   GtkWidget *g;  /* text view */
00021   GtkWidget *gs; /* scrollable window */
00022 
00023   g=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_CONTENT));
00024   assert(g);
00025   gs=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_REAL));
00026   assert(gs);
00027 
00028   switch(prop) {
00029   case GWEN_DialogProperty_Enabled:
00030     gtk_widget_set_sensitive(GTK_WIDGET(gs), (value==0)?FALSE:TRUE);
00031     return 0;
00032   
00033   case GWEN_DialogProperty_Focus:
00034     gtk_widget_grab_focus(GTK_WIDGET(gs));
00035     return 0;
00036 
00037   case GWEN_DialogProperty_Width:
00038   case GWEN_DialogProperty_Height:
00039     /* just ignore these for now */
00040     return 0;
00041 
00042   default:
00043     break;
00044   }
00045 
00046   DBG_WARN(GWEN_LOGDOMAIN,
00047            "Function is not appropriate for this type of widget (%s)",
00048            GWEN_Widget_Type_toString(GWEN_Widget_GetType(w)));
00049   return GWEN_ERROR_INVALID;
00050 }
00051 
00052 
00053 
00054 
00055 static GWENHYWFAR_CB
00056 int Gtk2Gui_WTextBrowser_GetIntProperty(GWEN_WIDGET *w,
00057                                         GWEN_DIALOG_PROPERTY prop,
00058                                         int index,
00059                                         int defaultValue) {
00060   GtkWidget *g;  /* text view */
00061   GtkWidget *gs; /* scrollable window */
00062 
00063   g=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_CONTENT));
00064   assert(g);
00065   gs=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_REAL));
00066   assert(gs);
00067 
00068   g=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_CONTENT));
00069   assert(g);
00070 
00071   switch(prop) {
00072   case GWEN_DialogProperty_Enabled:
00073     return (gtk_widget_get_sensitive(GTK_WIDGET(gs))==TRUE)?1:0;
00074 
00075   case GWEN_DialogProperty_Focus:
00076     return (gtk_widget_has_focus(GTK_WIDGET(gs))==TRUE)?1:0;
00077     return 0;
00078 
00079   case GWEN_DialogProperty_Width:
00080   case GWEN_DialogProperty_Height:
00081     /* just ignore these for now */
00082     return 0;
00083 
00084   default:
00085     break;
00086   }
00087 
00088   DBG_WARN(GWEN_LOGDOMAIN,
00089            "Function is not appropriate for this type of widget (%s)",
00090            GWEN_Widget_Type_toString(GWEN_Widget_GetType(w)));
00091   return defaultValue;
00092 }
00093 
00094 
00095 
00096 static GWENHYWFAR_CB
00097 int Gtk2Gui_WTextBrowser_SetCharProperty(GWEN_WIDGET *w,
00098                                          GWEN_DIALOG_PROPERTY prop,
00099                                          int index,
00100                                          const char *value,
00101                                          int doSignal) {
00102   GtkWidget *g;  /* text view */
00103   GtkWidget *gs; /* scrollable window */
00104   GWEN_BUFFER *tbuf;
00105 
00106   g=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_CONTENT));
00107   assert(g);
00108   gs=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_REAL));
00109   assert(gs);
00110 
00111   tbuf=GWEN_Buffer_new(0, 128, 0, 1);
00112   if (value && *value)
00113     Gtk2Gui_GetRawText(value, tbuf);
00114 
00115   switch(prop) {
00116   case GWEN_DialogProperty_Value: {
00117     GtkTextBuffer *tb;
00118     GtkAdjustment *va;
00119 
00120     tb=gtk_text_view_get_buffer(GTK_TEXT_VIEW(g));
00121     assert(tb);
00122     gtk_text_buffer_set_text(tb, GWEN_Buffer_GetStart(tbuf), -1);
00123 
00124     /* scroll to end */
00125     va=gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(gs));
00126     if (va)
00127       gtk_adjustment_set_value(va, va->upper);
00128     GWEN_Buffer_free(tbuf);
00129 
00130     return 0;
00131   }
00132   default:
00133     break;
00134   }
00135 
00136   DBG_WARN(GWEN_LOGDOMAIN,
00137            "Function is not appropriate for this type of widget (%s)",
00138            GWEN_Widget_Type_toString(GWEN_Widget_GetType(w)));
00139   GWEN_Buffer_free(tbuf);
00140   return GWEN_ERROR_INVALID;
00141 }
00142 
00143 
00144 
00145 static GWENHYWFAR_CB
00146 const char* Gtk2Gui_WTextBrowser_GetCharProperty(GWEN_WIDGET *w,
00147                                                  GWEN_DIALOG_PROPERTY prop,
00148                                                  int index,
00149                                                  const char *defaultValue) {
00150   GtkWidget *g;  /* text view */
00151   GtkWidget *gs; /* scrollable window */
00152 
00153   g=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_CONTENT));
00154   assert(g);
00155   gs=GTK_WIDGET(GWEN_Widget_GetImplData(w, GTK2_DIALOG_WIDGET_REAL));
00156   assert(gs);
00157 
00158   switch(prop) {
00159   case GWEN_DialogProperty_Value: {
00160     GtkTextBuffer *tb;
00161     GtkTextIter startIter;
00162     GtkTextIter endIter;
00163     gchar *s;
00164 
00165     tb=gtk_text_view_get_buffer(GTK_TEXT_VIEW(g));
00166     assert(tb);
00167 
00168     gtk_text_buffer_get_start_iter(tb, &startIter);
00169     gtk_text_buffer_get_end_iter(tb, &endIter);
00170 
00171     s=gtk_text_buffer_get_text(tb, &startIter, &endIter, FALSE);
00172     if (s) {
00173       GWEN_Widget_SetText(w, GTK2_DIALOG_STRING_VALUE, s);
00174       g_free(s);
00175       return GWEN_Widget_GetText(w, GTK2_DIALOG_STRING_VALUE);
00176     }
00177     return defaultValue;
00178   }
00179 
00180   default:
00181     break;
00182   }
00183 
00184   DBG_WARN(GWEN_LOGDOMAIN,
00185            "Function is not appropriate for this type of widget (%s)",
00186            GWEN_Widget_Type_toString(GWEN_Widget_GetType(w)));
00187   return defaultValue;
00188 }
00189 
00190 
00191 
00192 int Gtk2Gui_WTextBrowser_Setup(GWEN_WIDGET *w) {
00193   GtkWidget *gs;
00194   GtkWidget *g;
00195   const char *s;
00196   uint32_t flags;
00197   GWEN_WIDGET *wParent;
00198 
00199   flags=GWEN_Widget_GetFlags(w);
00200   wParent=GWEN_Widget_Tree_GetParent(w);
00201   s=GWEN_Widget_GetText(w, 0);
00202 
00203   /* create widget */
00204   gs=gtk_scrolled_window_new(NULL, NULL);
00205   g=gtk_text_view_new();
00206   gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(gs), g);
00207 
00208   if (s && *s) {
00209     GWEN_BUFFER *tbuf;
00210 
00211     tbuf=GWEN_Buffer_new(0, 128, 0, 1);
00212     Gtk2Gui_GetRawText(s, tbuf);
00213     gtk_text_buffer_set_text(gtk_text_view_get_buffer(GTK_TEXT_VIEW(g)), GWEN_Buffer_GetStart(tbuf), -1);
00214     GWEN_Buffer_free(tbuf);
00215   }
00216 
00217   GWEN_Widget_SetImplData(w, GTK2_DIALOG_WIDGET_REAL, (void*) gs);
00218   GWEN_Widget_SetImplData(w, GTK2_DIALOG_WIDGET_CONTENT, (void*) g);
00219 
00220   GWEN_Widget_SetSetIntPropertyFn(w, Gtk2Gui_WTextBrowser_SetIntProperty);
00221   GWEN_Widget_SetGetIntPropertyFn(w, Gtk2Gui_WTextBrowser_GetIntProperty);
00222   GWEN_Widget_SetSetCharPropertyFn(w, Gtk2Gui_WTextBrowser_SetCharProperty);
00223   GWEN_Widget_SetGetCharPropertyFn(w, Gtk2Gui_WTextBrowser_GetCharProperty);
00224 
00225   if (wParent)
00226     GWEN_Widget_AddChildGuiWidget(wParent, w);
00227 
00228   return 0;
00229 }
00230 
00231