static int evtChangeTheme(struct pgEvent *evt) {
char buf[80];
int i;
pghandle currContext;
i = pgGetPayload(evt->from);
if (array[i].active) {
pgDelete(array[i].handle);
array[i].active = 0;
}
else {
/* fixme buffer overflow... */
strcpy(buf, pgGetString(array[i].dir));
strcat(buf, pgGetString(array[i].fname));
printf("buf: %s", buf);
/* pgSetContext(*themeContext); */
/* array[i].handle = pgLoadTheme(pgFromFile(buf)); */
/* pgSetContext(*pageContext); */
currContext = pgGetContext();
pgSetContext(*(pghandle*)(evt->extra));
array[i].handle = pgLoadTheme(pgFromFile(buf));
pgSetContext(currContext);
array[i].active = 1;
}
return 0;
}
void set_vfd_text(pghandle vfd,const char *text) {
/* Use the lower level canvas commands to change the VFD's text.
* The display's previous text is stored as its payload so we can
* delete it, and we set the new text by changing the text gropnode's
* parameter
*/
pghandle h;
pgDelete(pgGetPayload(vfd));
h = pgNewString(text);
pgWriteCmd(vfd,PGCANVAS_SETGROP,1,h);
pgWriteCmd(vfd,PGCANVAS_REDRAW,0);
pgSetPayload(vfd,h);
}
/* This creates a menu from an array of string handles.
* Same return values as pgMenuFromString above.
*
* Important note: pgMenuFromArray expects that a new
* context will be entered before the
* string handles are created
*/
int pgMenuFromArray(pghandle *items,int numitems) {
int i;
pghandle returnHandle;
returnHandle = pgNewPopupAt(PG_POPUP_ATEVENT,PG_POPUP_ATEVENT,0,0);
for (i=0;i<numitems;i++) {
printf("Menu Item => %d\n", pgNewWidget(PG_WIDGET_MENUITEM,0,0));
pgSetWidget(PGDEFAULT,
PG_WP_TEXT,items[i],
0);
pgSetPayload(PGDEFAULT,i+1);
}
/* Return event */
return pgGetPayload(pgGetEvent()->from);
}
/* There are many ways to create a menu in PicoGUI
* (at the lowest level, using pgNewPopupAt and the menuitem widget)
*
* This creates a static popup menu from a "|"-separated list of
* menu items, and returns the number (starting with 1) of the chosen
* item, or 0 for cancel.
*/
int pgMenuFromString(char *items) {
char *p;
pghandle str;
int ret;
int i;
if (!items || !*items) return 0;
/* Create the menu popup in its own context */
pgEnterContext();
pgNewPopupAt(PG_POPUP_ATEVENT,PG_POPUP_ATEVENT,0,0);
i=0;
do {
/* Do a little fancy stuff to make the string handle.
* This is like pgNewString but we get to specify the
* length instead of having strlen() do it for us.
*/
if (!(p = strchr(items,'|'))) p = items + strlen(items);
_pg_add_request(PGREQ_MKSTRING,(void *) items,p-items);
items = p+1;
pgFlushRequests();
str = _pg_return.e.retdata;
/* Create each menu item */
pgNewWidget(PG_WIDGET_MENUITEM,0,0);
pgSetWidget(PGDEFAULT,
PG_WP_TEXT,str,
0);
pgSetPayload(PGDEFAULT,++i);
} while (*p);
/* Run the menu */
ret = pgGetPayload(pgGetEvent()->from);
pgLeaveContext();
return ret;
}
/* Create a message box, wait until it is
* answered, then return the answer.
*/
int pgMessageDialog(const char *title,const char *text,u32 flags) {
u32 ret;
pghandle wToolbar;
/* New context for us! */
pgEnterContext();
/* Default flags if none are supplied */
if (!(flags & PG_MSGBTNMASK))
flags |= PG_MSGBTN_OK;
if (!(flags & PG_MSGICONMASK)) {
/* Assume that if the user can say no, it's a question */
if (flags & (PG_MSGBTN_CANCEL | PG_MSGBTN_NO))
flags |= PG_MSGICON_QUESTION;
else
flags |= PG_MSGICON_MESSAGE;
}
/* Create the important widgets */
pgDialogBox(title);
wToolbar = pgNewWidget(PG_WIDGET_TOOLBAR,0,0);
pgSetWidget(PGDEFAULT,
PG_WP_SIDE,PG_S_BOTTOM,
0);
pgNewWidget(PG_WIDGET_LABEL,0,0);
pgSetWidget(PGDEFAULT,
PG_WP_SIDE,PG_S_ALL,
PG_WP_TEXT,pgNewString(text),
0);
/* Buttons */
if (flags & PG_MSGBTN_CANCEL)
dlgbtn(wToolbar,PG_MSGBTN_CANCEL,PGRES_STRING_CANCEL,
PGTH_P_ICON_CANCEL,PGTH_P_HOTKEY_CANCEL);
if (flags & PG_MSGBTN_OK)
dlgbtn(wToolbar,PG_MSGBTN_OK,PGRES_STRING_OK,
PGTH_P_ICON_OK,PGTH_P_HOTKEY_OK);
if (flags & PG_MSGBTN_YES)
dlgbtn(wToolbar,PG_MSGBTN_YES,PGRES_STRING_YES,
PGTH_P_ICON_YES,PGTH_P_HOTKEY_YES);
if (flags & PG_MSGBTN_NO)
dlgbtn(wToolbar,PG_MSGBTN_NO,PGRES_STRING_NO,
PGTH_P_ICON_NO,PGTH_P_HOTKEY_NO);
/* Icons */
if (flags & PG_MSGICON_ERROR)
dlgicon(wToolbar,PGTH_P_ICON_ERROR);
if (flags & PG_MSGICON_MESSAGE)
dlgicon(wToolbar,PGTH_P_ICON_MESSAGE);
if (flags & PG_MSGICON_QUESTION)
dlgicon(wToolbar,PGTH_P_ICON_QUESTION);
if (flags & PG_MSGICON_WARNING)
dlgicon(wToolbar,PGTH_P_ICON_WARNING);
/* Run it (ignoring zero-payload events) */
while (!(ret = pgGetPayload(pgGetEvent()->from)));
/* Go away now */
pgLeaveContext();
return ret;
}
