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Treeview: Handle node expansion on switch between search and normal view.

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This commit is contained in:
Michael Drake 2017-09-18 22:53:06 +01:00
parent 39ab8b6233
commit 4e224135ec
1 changed files with 27 additions and 17 deletions
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44
desktop/treeview.c
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@ -824,7 +824,7 @@ static nserror treeview__search(
r.y1 = ((height > prev_height) ? height : prev_height) + search_height;
treeview__cw_invalidate_area(tree, &r);
treeview__cw_update_size(tree, -1, height + search_height);
treeview__cw_update_size(tree, -1, height);
treeview__cw_scroll_top(tree);
return NSERROR_OK;
@ -843,7 +843,7 @@ static void treeview_textarea_search_callback(void *data,
treeview *tree = data;
struct rect *r;
if (tree->search.active == false) {
if (tree->search.active == false || tree->root == NULL) {
return;
}
@ -2064,7 +2064,6 @@ treeview_node_expand_internal(treeview *tree, treeview_node *node)
}
do {
assert((child->flags & TV_NFLAGS_EXPANDED) == false);
if (child->text.width == 0) {
guit->layout->width(&plot_style_odd.text,
child->text.data,
@ -2109,17 +2108,21 @@ treeview_node_expand_internal(treeview *tree, treeview_node *node)
/* Update the node */
node->flags |= TV_NFLAGS_EXPANDED;
/* And parent's heights */
do {
node->height += additional_height;
node = node->parent;
} while (node->parent != NULL);
/* And node heights */
for (struct treeview_node *n = node;
(n != NULL) && (n->flags & TV_NFLAGS_EXPANDED);
n = n->parent) {
n->height += additional_height;
}
node->height += additional_height;
if (tree->search.search) {
tree->search.height += additional_height;
}
/* Inform front end of change in dimensions */
if (additional_height != 0) {
treeview__cw_update_size(tree, -1, tree->root->height);
treeview__cw_update_size(tree, -1,
treeview__get_display_height(tree));
}
return NSERROR_OK;
@ -2138,7 +2141,7 @@ nserror treeview_node_expand(treeview *tree, treeview_node *node)
r.x0 = 0;
r.y0 = treeview_node_y(tree, node);
r.x1 = REDRAW_MAX;
r.y1 = tree->root->height;
r.y1 = treeview__get_display_height(tree);
treeview__cw_invalidate_area(tree, &r);
}
@ -2151,6 +2154,7 @@ nserror treeview_node_expand(treeview *tree, treeview_node *node)
* context for treeview contraction callback
*/
struct treeview_contract_data {
treeview *tree;
bool only_entries;
};
@ -2179,15 +2183,20 @@ static nserror treeview_node_contract_cb(treeview_node *n, void *ctx, bool *end)
return NSERROR_OK;
}
n->flags ^= TV_NFLAGS_EXPANDED;
h_reduction = n->height - tree_g.line_height;
assert(h_reduction >= 0);
for (struct treeview_node *node = n;
(node != NULL) && (node->flags & TV_NFLAGS_EXPANDED);
node = node->parent) {
node->height -= h_reduction;
}
do {
n->height -= h_reduction;
n = n->parent;
} while (n != NULL);
if (data->tree->search.search) {
data->tree->search.height -= h_reduction;
}
n->flags ^= TV_NFLAGS_EXPANDED;
return NSERROR_OK;
}
@ -2213,6 +2222,7 @@ treeview_node_contract_internal(treeview *tree, treeview_node *node)
return NSERROR_OK;
}
data.tree = tree;
data.only_entries = false;
selected = node->flags & TV_NFLAGS_SELECTED;
@ -2227,7 +2237,7 @@ treeview_node_contract_internal(treeview *tree, treeview_node *node)
node->flags |= TV_NFLAGS_SELECTED;
/* Inform front end of change in dimensions */
treeview__cw_update_size(tree, -1, tree->root->height);
treeview__cw_update_size(tree, -1, treeview__get_display_height(tree));
return NSERROR_OK;
}