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);
}
/* Little internal helper function for the message dialog */
void dlgbtn(pghandle tb,u32 payload,int textproperty,
int iconproperty,int key) {
pgNewWidget(PG_WIDGET_BUTTON,PG_DERIVE_INSIDE,tb);
pgSetWidget(PGDEFAULT,
PG_WP_TEXT,pgGetServerRes(textproperty),
PG_WP_SIDE,PG_S_RIGHT,
PG_WP_HOTKEY,pgThemeLookup(PGTH_O_POPUP_MESSAGEDLG,key),
PG_WP_IMAGE,pgThemeLookup(PGTH_O_POPUP_MESSAGEDLG,
iconproperty),
PG_WP_BITMASK,pgThemeLookup(PGTH_O_POPUP_MESSAGEDLG,
iconproperty+1),
0);
pgSetPayload(PGDEFAULT,payload);
}
/* 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);
}
/* Functions to create a VFD-style display and set it's text */
void new_vfd_label(pghandle canvas) {
pgcontext gc;
pghandle h = pgNewString(" ");
/* Use a canvas widget to do a 'inverse VFD style' phone number display
*
* Code like this makes me really glad that the canvas widget is
* as smart as it is about scaling and calculating preferred sizes
*/
gc = pgNewCanvasContext(canvas,PGFX_PERSISTENT);
pgSetMapping(gc,0,0,1,1,PG_MAP_SCALE);
pgSetColor(gc,0xBFEDBD); /* Pastel green */
pgRect(gc,0,0,1,1);
pgSetColor(gc,0x000000);
pgFrame(gc,0,0,1,1);
pgSetFont(gc,pgNewFont(NULL,20,0));
pgText(gc,0,0,h);
pgSetPayload(canvas,h);
pgDeleteContext(gc);
}
/* 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;
}
/* widget: the parent widget to derive inside
* directory: the directory into which search for themes */
void themebar(pghandle widget, char* directory, int* themecontext)
{
struct dirent *dent;
int i,l;
DIR *d;
char buf[80];
pghandle box;
THEME_DIRECTORY=directory;
if (! (d = opendir(THEME_DIRECTORY))) {
eerror("directory not found");
exit(1);
}
/* simple & dirty */
/* pageContext = pagecontext; */
/* themeContext = themecontext; */
box = pgNewWidget(PG_WIDGET_SCROLLBOX, PG_DERIVE_AFTER, widget);
pgSetWidget(PGDEFAULT,
PG_WP_SIDE, PG_S_ALL,
/* PG_WP_TRANSPARENT, 1, */
0);
/* Make handles */
rewinddir(d);
i = 0;
while ((dent = readdir(d))) {
l = strlen(dent->d_name);
if (l<4) continue;
if (strcmp(dent->d_name+l-3,".th")) continue;
buf[0] = 0;
/* dent->d_name[l-3] = 0; */
if (idx == LENGHT) {
eerror("max array lenght reached in themebar.c: too many themes.");
break;
}
array[idx].dir = pgNewString(directory);
array[idx].fname = pgNewString(dent->d_name);
array[idx].active = 0;
/* Add item */
pgNewWidget(PG_WIDGET_BUTTON, PG_DERIVE_INSIDE, box);
pgSetWidget(PGDEFAULT,
/* PG_WP_EXTDEVENTS, pgGetWidget(PGDEFAULT, PG_WP_EXTDEVENTS) & ~PG_EXEV_EXCLUSIVE, */
/* PG_WP_EXTDEVENTS, PG_EXEV_TOGGLE, */
PG_WP_TEXT, array[idx].fname,
PG_WP_SIDE, PG_S_BOTTOM,
0);
pgSetPayload(PGDEFAULT, idx);
idx++;
pgBind(PGDEFAULT,PG_WE_ACTIVATE,evtChangeTheme, themecontext);
}
closedir(d);
pgSubUpdate(widget);
return;
}
