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-rw-r--r--node.c63
1 files changed, 50 insertions, 13 deletions
diff --git a/node.c b/node.c
index b203529..1da07ba 100644
--- a/node.c
+++ b/node.c
@@ -198,7 +198,7 @@ static void node_frame(Ted *ted, Node *node, Rect r) {
if (rect_contains_point(tab_bar_rect, click)) {
// click on tab to switch to it
u16 tab_index = (u16)((click.x - r.pos.x) / tab_width);
- if (tab_index >= 0 && tab_index < arr_len(node->tabs)) {
+ if (tab_index < arr_len(node->tabs)) {
ted->active_node = node;
node_switch_to_tab(ted, node, tab_index);
ted->dragging_tab_node = node;
@@ -207,25 +207,62 @@ static void node_frame(Ted *ted, Node *node, Rect r) {
}
}
}
+ if (ted->dragging_tab_node) {
+ // check if user dropped tab here
+ for (u16 c = 0; c < ted->nmouse_releases[SDL_BUTTON_LEFT]; ++c) {
+ v2 release = ted->mouse_releases[SDL_BUTTON_LEFT][c];
+ if (rect_contains_point(tab_bar_rect, release)) {
+ u16 tab_index = (u16)roundf((release.x - r.pos.x) / tab_width);
+ if (tab_index <= arr_len(node->tabs)) {
+ Node *drag_node = ted->dragging_tab_node;
+ u16 drag_index = ted->dragging_tab_idx;
+ u16 tab = drag_node->tabs[drag_index];
+
+ // remove the old tab
+ arr_remove(drag_node->tabs, drag_index);
+ if (node == drag_node) {
+ // fix index if we move tab from one place to another in the same node
+ if (tab_index > drag_index)
+ --tab_index;
+ }
+ // insert the tab here
+ arr_insert(node->tabs, tab_index, tab);
+ if (arr_len(drag_node->tabs) == 0) {
+ // removed the last tab from a node; close it
+ node_close(ted, (u16)(drag_node - ted->nodes));
+ } else {
+ // make sure active tab is valid
+ drag_node->active_tab = clamp_u16(drag_node->active_tab, 0, (u16)arr_len(drag_node->tabs) - 1);
+ }
+
+ ted->dragging_tab_node = NULL; // stop dragging
+ // switch to this buffer
+ ted_switch_to_buffer(ted, tab);
+ }
+ }
+ }
+ }
for (u16 c = 0; c < ted->nmouse_clicks[SDL_BUTTON_MIDDLE]; ++c) {
// middle-click to close tab
v2 click = ted->mouse_clicks[SDL_BUTTON_MIDDLE][c];
if (rect_contains_point(tab_bar_rect, click)) {
u16 tab_index = (u16)((click.x - r.pos.x) / tab_width);
- u16 buffer_idx = node->tabs[tab_index];
- TextBuffer *buffer = &ted->buffers[buffer_idx];
- // close that tab
- if (buffer_unsaved_changes(buffer)) {
- // make sure unsaved changes dialog is opened
- ted_switch_to_buffer(ted, buffer_idx);
- command_execute(ted, CMD_TAB_CLOSE, 1);
- } else {
- if (!node_tab_close(ted, node, tab_index)) {
- return; // node closed
+ if (tab_index < arr_len(node->tabs)) {
+ u16 buffer_idx = node->tabs[tab_index];
+ TextBuffer *buffer = &ted->buffers[buffer_idx];
+ // close that tab
+ if (buffer_unsaved_changes(buffer)) {
+ // make sure unsaved changes dialog is opened
+ ted_switch_to_buffer(ted, buffer_idx);
+ command_execute(ted, CMD_TAB_CLOSE, 1);
+ } else {
+ if (!node_tab_close(ted, node, tab_index)) {
+ return; // node closed
+ }
}
+ ntabs = (u16)arr_len(node->tabs);
+ tab_width = r.size.x / ntabs;
}
- ntabs = (u16)arr_len(node->tabs);
- tab_width = r.size.x / ntabs;
}
}
}