static void
nsgtk_tree_window_input_method_commit(GtkIMContext *ctx,
const gchar *str, gpointer data)
{
struct nsgtk_treeview *tw = (struct nsgtk_treeview *) data;
size_t len = strlen(str), offset = 0;
while (offset < len) {
uint32_t nskey = utf8_to_ucs4(str + offset, len - offset);
tree_keypress(tw->tree, nskey);
offset = utf8_next(str, len, offset);
}
}
gboolean nsgtk_tree_window_keypress_event(GtkWidget *widget, GdkEventKey *event,
gpointer g)
{
struct nsgtk_treeview *tw = (struct nsgtk_treeview *) g;
struct tree *tree = tw->tree;
uint32_t nskey;
double value;
GtkAdjustment *vscroll;
GtkAdjustment *hscroll;
GtkAdjustment *scroll = NULL;
gdouble hpage, vpage;
nskey = gtk_gui_gdkkey_to_nskey(event);
if (tree_keypress(tree, nskey) == true)
return TRUE;
vscroll = gtk_scrolled_window_get_vadjustment(tw->scrolled);
hscroll = gtk_scrolled_window_get_hadjustment(tw->scrolled);
g_object_get(vscroll, "page-size", &vpage, NULL);
g_object_get(hscroll, "page-size", &hpage, NULL);
switch (event->keyval) {
case GDK_KEY(Home):
case GDK_KEY(KP_Home):
scroll = vscroll;
value = nsgtk_adjustment_get_lower(scroll);
break;
case GDK_KEY(End):
case GDK_KEY(KP_End):
scroll = vscroll;
value = nsgtk_adjustment_get_upper(scroll) - vpage;
if (value < nsgtk_adjustment_get_lower(scroll))
value = nsgtk_adjustment_get_lower(scroll);
break;
case GDK_KEY(Left):
case GDK_KEY(KP_Left):
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) -
nsgtk_adjustment_get_step_increment(scroll);
if (value < nsgtk_adjustment_get_lower(scroll))
value = nsgtk_adjustment_get_lower(scroll);
break;
case GDK_KEY(Up):
case GDK_KEY(KP_Up):
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
nsgtk_adjustment_get_step_increment(scroll);
if (value < nsgtk_adjustment_get_lower(scroll))
value = nsgtk_adjustment_get_lower(scroll);
break;
case GDK_KEY(Right):
case GDK_KEY(KP_Right):
scroll = hscroll;
value = gtk_adjustment_get_value(scroll) +
nsgtk_adjustment_get_step_increment(scroll);
if (value > nsgtk_adjustment_get_upper(scroll) - hpage)
value = nsgtk_adjustment_get_upper(scroll) - hpage;
break;
case GDK_KEY(Down):
case GDK_KEY(KP_Down):
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
nsgtk_adjustment_get_step_increment(scroll);
if (value > nsgtk_adjustment_get_upper(scroll) - vpage)
value = nsgtk_adjustment_get_upper(scroll) - vpage;
break;
case GDK_KEY(Page_Up):
case GDK_KEY(KP_Page_Up):
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) -
nsgtk_adjustment_get_page_increment(scroll);
if (value < nsgtk_adjustment_get_lower(scroll))
value = nsgtk_adjustment_get_lower(scroll);
break;
case GDK_KEY(Page_Down):
case GDK_KEY(KP_Page_Down):
scroll = vscroll;
value = gtk_adjustment_get_value(scroll) +
nsgtk_adjustment_get_page_increment(scroll);
if (value > nsgtk_adjustment_get_upper(scroll) - vpage)
value = nsgtk_adjustment_get_upper(scroll) - vpage;
break;
default:
break;
}
if (scroll != NULL)
gtk_adjustment_set_value(scroll, value);
return TRUE;
}
static bool ro_treeview_keypress(wimp_key *key)
{
ro_treeview *tv;
uint32_t c;
tv = (ro_treeview *) ro_gui_wimp_event_get_user_data(key->w);
if (tv == NULL) {
LOG(("NULL treeview block for window: 0x%x",
(unsigned int) key->w));
return false;
}
c = (uint32_t) key->c;
if ((unsigned)c < 0x20 || (0x7f <= c && c <= 0x9f) ||
(c & IS_WIMP_KEY)) {
/* Munge control keys into unused control chars */
/* We can't map onto 1->26 (reserved for ctrl+<qwerty>
That leaves 27->31 and 128->159 */
switch (c & ~IS_WIMP_KEY) {
case wimp_KEY_TAB: c = 9; break;
case wimp_KEY_SHIFT | wimp_KEY_TAB: c = 11; break;
/* cursor movement keys */
case wimp_KEY_HOME:
case wimp_KEY_CONTROL | wimp_KEY_LEFT:
c = KEY_LINE_START;
break;
case wimp_KEY_END:
if (os_version >= RISCOS5)
c = KEY_LINE_END;
else
c = KEY_DELETE_RIGHT;
break;
case wimp_KEY_CONTROL | wimp_KEY_RIGHT: c = KEY_LINE_END; break;
case wimp_KEY_CONTROL | wimp_KEY_UP: c = KEY_TEXT_START; break;
case wimp_KEY_CONTROL | wimp_KEY_DOWN: c = KEY_TEXT_END; break;
case wimp_KEY_SHIFT | wimp_KEY_LEFT: c = KEY_WORD_LEFT ; break;
case wimp_KEY_SHIFT | wimp_KEY_RIGHT: c = KEY_WORD_RIGHT; break;
case wimp_KEY_SHIFT | wimp_KEY_UP: c = KEY_PAGE_UP; break;
case wimp_KEY_SHIFT | wimp_KEY_DOWN: c = KEY_PAGE_DOWN; break;
case wimp_KEY_LEFT: c = KEY_LEFT; break;
case wimp_KEY_RIGHT: c = KEY_RIGHT; break;
case wimp_KEY_UP: c = KEY_UP; break;
case wimp_KEY_DOWN: c = KEY_DOWN; break;
/* editing */
case wimp_KEY_CONTROL | wimp_KEY_END:
c = KEY_DELETE_LINE_END;
break;
case wimp_KEY_DELETE:
if (ro_gui_ctrl_pressed())
c = KEY_DELETE_LINE_START;
else if (os_version < RISCOS5)
c = KEY_DELETE_LEFT;
break;
default:
break;
}
}
if (!(c & IS_WIMP_KEY)) {
if (tree_keypress(tv->tree, c)) {
if (tv->callbacks &&
tv->callbacks->toolbar_button_update
!= NULL)
tv->callbacks->toolbar_button_update();
return true;
}
}
return false;
}
