Hi Micah, hi everybody,
I have some questions about navigation and scrolling..
1) how could we manage scrolling of a 'read only' text widget
with only help of a keyboard ?
I thought about using something like this:
------8<----------------------------------
...
static int currentPos;
static int step;
...
int mvUp (struct pgEvent *evt)
{
if (! currentPos) {
currentPos = pgGetWidget (evt->from, PG_WP_VALUE);
}
currentPos += step;
pgSetWidget (evt->from, PG_WP_VALUE, currentPos);
}
int mvDown (struct pgEvent *evt)
{
if (! currentPos) {
currentPos = pgGetWidget (evt->from, PG_WP_VALUE);
}
currentPos -= step;
pgSetWidget (evt->from, PG_WP_VALUE, currentPos);
}
int main (int argc, char ** argv) {
pghandle title;
pghandle scrollbox;
pgInit (argc, argv);
wApp = pgRegisterApp (PG_APP_NORMAL, APPTITLE, 0);
...
scrollbox = pgNewWidget (PG_WIDGET_SCROLLBOX, PG_DERIVE_INSIDE, wApp);
wText = pgNewWidget (PG_WIDGET_TEXTBOX, PG_DERIVE_INSIDE, 0);
pgSetWidget (PGDEFAULT,
PG_WP_SIDE, PG_S_ALL,
PG_WP_TEXT, pgNewString ("1\n\n2\n\n3\n\n4\n\n"
"5\n\n6\n\n7\n\n8\n\n"
"9\n\n10\n\n11\n\n12\n\n"),
PG_WP_READONLY, 1,
0);
pgBind (scrollbox, PGKEY_UP, mvUp, 0);
pgBind (scrollbox, PGKEY_DOWN, mvDown, 0);
...
}
----------8<------------------------------
which dosen't work.
Scrolling when the widget is editable is not a problem as this is
done with help of the cursor's scrolling. But when the widget as
no cursor (read only), it becom unscrollable :(
Or maybe I didn't use the right still existing methode ?
2) How getting out of a text widget (with keyboard input) ?
When you are in a text edit widget, the arrow keys are used to move
the cursor through the text and the tab key insert a .. tab.
There is then no way to get out of the widget w/o another input
device such like a touchpad or a mouse.
One idea could be the following (based on symbian navigation):
* when the cursor is on the first/last line, the up/down key
will get out of the widget selecting the following widget
regarding the key
* for line input widget (textbox PG_WP_MULTILINE=0) this behavior
could be extended to first/last cursor position with left/right keys
What about this ?
-philippe
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