diff options
Diffstat (limited to 'node.c')
| -rw-r--r-- | node.c | 46 |
1 files changed, 38 insertions, 8 deletions
@@ -96,6 +96,8 @@ static void node_join(Ted *ted, Node *node) { } static void node_close(Ted *ted, u16 node_idx) { + ted->resizing_split = NULL; + assert(node_idx < TED_MAX_NODES); assert(ted->nodes_used[node_idx]); i32 parent_idx = node_parent(ted, node_idx); @@ -172,9 +174,9 @@ static bool node_tab_close(Ted *ted, Node *node, u16 index) { } static void node_frame(Ted *ted, Node *node, Rect r) { + Settings const *settings = &ted->settings; if (node->tabs) { bool is_active = node == ted->active_node; - Settings const *settings = &ted->settings; u32 const *colors = settings->colors; Font *font = ted->font; float const border_thickness = settings->border_thickness; @@ -265,28 +267,56 @@ static void node_frame(Ted *ted, Node *node, Rect r) { buffer_rect.size.y -= tab_bar_height; buffer_render(buffer, buffer_rect); } else { + float padding = settings->padding; // this node is a split Node *a = &ted->nodes[node->split_a]; Node *b = &ted->nodes[node->split_b]; Rect r1 = r, r2 = r; + SDL_Cursor *resize_cursor = node->split_vertical ? ted->cursor_resize_v : ted->cursor_resize_h; + if (node == ted->resizing_split) { + if (!(ted->mouse_state & SDL_BUTTON_LMASK)) { + // let go of mouse + ted->resizing_split = NULL; + } else { + // resize the split + float mouse_coord = node->split_vertical ? ted->mouse_pos.y : ted->mouse_pos.x; + float rect_coord1 = (node->split_vertical ? rect_y1 : rect_x1)(r); + float rect_coord2 = (node->split_vertical ? rect_y2 : rect_x2)(r); + // make sure the split doesn't make one of the sides too small + float min_split = 10.0f / (node->split_vertical ? r.size.y : r.size.x); + node->split_pos = clampf(normf(mouse_coord, rect_coord1, rect_coord2), min_split, 1-min_split); + } + } + Rect r_between; // rectangle of space between r1 and r2 if (node->split_vertical) { float split_pos = r.size.y * node->split_pos; - r1.size.y = split_pos; - r2.pos.y += split_pos; - r2.size.y = r.size.y - split_pos; + r1.size.y = split_pos - padding; + r2.pos.y += split_pos + padding; + r2.size.y = r.size.y - split_pos - padding; + r_between = rect(V2(r.pos.x, r.pos.y + split_pos - padding), V2(r.size.x, 2 * padding)); } else { float split_pos = r.size.x * node->split_pos; - r1.size.x = split_pos; - r2.pos.x += split_pos; - r2.size.x = r.size.x - split_pos; + r1.size.x = split_pos - padding; + r2.pos.x += split_pos + padding; + r2.size.x = r.size.x - split_pos - padding; + r_between = rect(V2(r.pos.x + split_pos - padding, r.pos.y), V2(2 * padding, r.size.y)); + } + if (rect_contains_point(r_between, ted->mouse_pos)) { + ted->cursor = resize_cursor; } + for (u32 i = 0; i < ted->nmouse_clicks[SDL_BUTTON_LEFT]; ++i) { + if (rect_contains_point(r_between, ted->mouse_clicks[SDL_BUTTON_LEFT][i])) { + ted->resizing_split = node; + } + } + node_frame(ted, a, r1); node_frame(ted, b, r2); } } static void node_split(Ted *ted, Node *node, bool vertical) { - if (node_depth(ted, (u16)(node - ted->nodes)) >= 6) return; // prevent splitting too deep + if (node_depth(ted, (u16)(node - ted->nodes)) >= 5) return; // prevent splitting too deep if (arr_len(node->tabs) > 1) { // need at least 2 tabs to split i32 left_idx = ted_new_node(ted); |