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Improve keyboard nav slightly.

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This commit is contained in:
Michael Drake 2013-08-17 13:40:05 +01:00
parent e1468a78df
commit d1cd950327
1 changed files with 56 additions and 55 deletions
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111
desktop/treeview.c
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@ -1740,10 +1740,9 @@ static bool treeview_keyboard_navigation(treeview *tree, uint32_t key,
.n_selected = 0,
.prev_n_selected = 0
};
int h = tree->root->height;
bool redraw = false;
rect->y1 = tree->root->height;
/* Fill out the nav. state struct, by examining the current selection
* state */
treeview_walk_internal(tree->root, false, NULL,
@ -1818,14 +1817,68 @@ static bool treeview_keyboard_navigation(treeview *tree, uint32_t key,
rect->x0 = 0;
rect->y0 = 0;
rect->x1 = REDRAW_MAX;
if (rect->y1 < tree->root->height)
if (tree->root->height > h)
rect->y1 = tree->root->height;
else
rect->y1 = h;
redraw = true;
return redraw;
}
/* Exported interface, documented in treeview.h */
bool treeview_keypress(treeview *tree, uint32_t key)
{
struct rect r; /**< Redraw rectangle */
bool redraw = false;
nserror err;
assert(tree != NULL);
switch (key) {
case KEY_SELECT_ALL:
redraw = treeview_select_all(tree, &r);
break;
case KEY_COPY_SELECTION:
/* TODO: Copy selection as text */
break;
case KEY_DELETE_LEFT:
case KEY_DELETE_RIGHT:
redraw = treeview_delete_selection(tree, &r);
if (tree->flags & TREEVIEW_DEL_EMPTY_DIRS) {
/* Delete any empty nodes */
err = treeview_delete_empty_nodes(tree, true);
r.y0 = 0;
}
break;
case KEY_CR:
case KEY_NL:
err = treeview_launch_selection(tree);
break;
case KEY_ESCAPE:
case KEY_CLEAR_SELECTION:
redraw = treeview_clear_selection(tree, &r);
break;
case KEY_LEFT:
case KEY_RIGHT:
case KEY_UP:
case KEY_DOWN:
redraw = treeview_keyboard_navigation(tree, key, &r);
break;
default:
return false;
}
if (redraw) {
tree->cw_t->redraw_request(tree->cw_h, r);
}
return true;
}
/**
* Set the drag&drop drop indicator
*
@ -1956,58 +2009,6 @@ static bool treeview_set_move_indicator(treeview *tree, bool need_redraw,
}
/* Exported interface, documented in treeview.h */
bool treeview_keypress(treeview *tree, uint32_t key)
{
struct rect r; /**< Redraw rectangle */
bool redraw = false;
nserror err;
assert(tree != NULL);
switch (key) {
case KEY_SELECT_ALL:
redraw = treeview_select_all(tree, &r);
break;
case KEY_COPY_SELECTION:
/* TODO: Copy selection as text */
break;
case KEY_DELETE_LEFT:
case KEY_DELETE_RIGHT:
redraw = treeview_delete_selection(tree, &r);
if (tree->flags & TREEVIEW_DEL_EMPTY_DIRS) {
/* Delete any empty nodes */
err = treeview_delete_empty_nodes(tree, true);
r.y0 = 0;
}
break;
case KEY_CR:
case KEY_NL:
err = treeview_launch_selection(tree);
break;
case KEY_ESCAPE:
case KEY_CLEAR_SELECTION:
redraw = treeview_clear_selection(tree, &r);
break;
case KEY_LEFT:
case KEY_RIGHT:
case KEY_UP:
case KEY_DOWN:
redraw = treeview_keyboard_navigation(tree, key, &r);
break;
default:
return false;
}
if (redraw) {
tree->cw_t->redraw_request(tree->cw_h, r);
}
return true;
}
struct treeview_mouse_action {
treeview *tree;
browser_mouse_state mouse;