/* * Helpers for ui data structures. */ // TOP typedef u32 View_Get_UI_Flags; enum{ ViewGetUIFlag_KeepDataAsIs = 0, ViewGetUIFlag_ClearData = 1, }; static b32 view_get_ui_data(Application_Links *app, View_ID view_id, View_Get_UI_Flags flags, UI_Data **ui_data_out, Arena **ui_arena_out){ b32 result = false; Managed_Scope scope = view_get_managed_scope(app, view_id); if (scope != 0){ Managed_Object *ui_data_object_ptr = scope_attachment(app, scope, view_ui_data, Managed_Object); Managed_Object ui_data_object = *ui_data_object_ptr; if (ui_data_object == 0){ Managed_Object new_ui_data_object = alloc_managed_memory_in_scope(app, scope, sizeof(UI_Storage), 1); Base_Allocator *allocator = managed_scope_allocator(app, scope); Arena arena_temp = make_arena(allocator, KB(8)); Arena *arena = push_array(&arena_temp, Arena, 1); block_copy_struct(arena, &arena_temp); UI_Data *ui_data = push_array(arena, UI_Data, 1); UI_Storage storage = {}; storage.data = ui_data; storage.arena = arena; storage.temp = begin_temp(arena); if (managed_object_store_data(app, new_ui_data_object, 0, 1, &storage)){ *ui_data_object_ptr = new_ui_data_object; ui_data_object = new_ui_data_object; } } if (ui_data_object != 0){ UI_Storage storage = {}; if (managed_object_load_data(app, ui_data_object, 0, 1, &storage)){ *ui_data_out = storage.data; *ui_arena_out = storage.arena; if ((flags & ViewGetUIFlag_ClearData) != 0){ end_temp(storage.temp); } result = true; } } } return(result); } static b32 view_clear_ui_data(Application_Links *app, View_ID view_id){ b32 result = false; Managed_Scope scope = view_get_managed_scope(app, view_id); if (scope != 0){ Managed_Object *ui_data_object_ptr = scope_attachment(app, scope, view_ui_data, Managed_Object); Managed_Object ui_data_object = *ui_data_object_ptr; if (ui_data_object != 0){ UI_Storage storage = {}; if (managed_object_load_data(app, ui_data_object, 0, 1, &storage)){ Arena arena_temp = *storage.arena; linalloc_clear(&arena_temp); managed_object_free(app, ui_data_object); *ui_data_object_ptr = 0; result = true; } } } return(result); } //////////////////////////////// static UI_Item* ui_list_add_item(Arena *arena, UI_List *list, UI_Item item){ UI_Item *node = push_array(arena, UI_Item, 1); block_copy_struct(node, &item); zdll_push_back(list->first, list->last, node); list->count += 1; return(node); } static i32_Rect ui__rect_union(i32_Rect a, i32_Rect b){ if (b.x1 > b.x0 && b.y1 > b.y0){ if (a.x0 > b.x0){ a.x0 = b.x0; } if (a.x1 < b.x1){ a.x1 = b.x1; } if (a.y0 > b.y0){ a.y0 = b.y0; } if (a.y1 < b.y1){ a.y1 = b.y1; } } return(a); } static void ui_data_compute_bounding_boxes(UI_Data *ui_data){ i32_Rect neg_inf_rect = {}; neg_inf_rect.x0 = INT32_MAX; neg_inf_rect.y0 = INT32_MAX; neg_inf_rect.x1 = INT32_MIN; neg_inf_rect.y1 = INT32_MIN; for (u32 i = 0; i < UICoordinates_COUNT; ++i){ ui_data->bounding_box[i] = neg_inf_rect; } for (UI_Item *item = ui_data->list.first; item != 0; item = item->next){ if (item->coordinates >= UICoordinates_COUNT){ item->coordinates = UICoordinates_ViewSpace; } Rect_i32 *box = &ui_data->bounding_box[item->coordinates]; *box = ui__rect_union(*box, item->rect_outer); } } static void ui_control_set_top(UI_Data *data, i32 top_y){ data->bounding_box[UICoordinates_ViewSpace].y0 = top_y; } static void ui_control_set_bottom(UI_Data *data, i32 bottom_y){ data->bounding_box[UICoordinates_ViewSpace].y1 = bottom_y; } static UI_Item* ui_control_get_mouse_hit(UI_Data *data, Vec2_f32 view_p, Vec2_f32 panel_p){ UI_Item *result = 0; for (UI_Item *item = data->list.first; item != 0 && result == 0; item = item->next){ Rect_f32 r = Rf32(item->rect_outer); switch (item->coordinates){ case UICoordinates_ViewSpace: { if (rect_contains_point(r, view_p)){ result = item; } }break; case UICoordinates_PanelSpace: { if (rect_contains_point(r, panel_p)){ result = item; } }break; } } return(result); } //////////////////////////////// static void view_set_vertical_focus_basic(Application_Links *app, View_ID view, f32 y_top, f32 y_bot){ Rect_f32 buffer_region = view_get_buffer_region(app, view); Basic_Scroll scroll = view_get_basic_scroll(app, view); f32 view_height = rect_height(buffer_region); Interval_f32 view_y = If32(scroll.target.y, scroll.target.y + view_height); Interval_f32 acceptable_y = If32(lerp(view_y.min, 0.10f, view_y.max), lerp(view_y.min, 0.90f, view_y.max)); f32 acceptable_height = range_size(acceptable_y); f32 skirt_height = acceptable_y.min - view_y.min; f32 height = y_bot - y_top; if (height > acceptable_height){ scroll.target.y = y_top - skirt_height; view_set_basic_scroll(app, view, scroll); } else{ if (y_top < acceptable_y.min){ scroll.target.y = y_top - skirt_height; view_set_basic_scroll(app, view, scroll); } else if (y_bot > acceptable_y.max){ scroll.target.y = y_bot + skirt_height - view_height; view_set_basic_scroll(app, view, scroll); } } } static Vec2_f32 panel_space_from_screen_space(Vec2_f32 p, Vec2_f32 file_region_p0){ return(p - file_region_p0); } static Vec2_f32 get_mouse_position_in_panel_space(Mouse_State mouse, Vec2_f32 file_region_p0){ return(panel_space_from_screen_space(V2f32(mouse.p), file_region_p0)); } static Vec2_f32 get_mouse_position_in_panel_space(Application_Links *app, Vec2_f32 file_region_p0){ return(get_mouse_position_in_panel_space(get_mouse_state(app), file_region_p0)); } //////////////////////////////// // TODO(allen): VIEW_16_LIMIT Lister_State global_lister_state_[16] = {}; Lister_State *global_lister_state = global_lister_state_ - 1; static Lister_State* view_get_lister_state(View_ID view){ return(&global_lister_state[view]); } static i32 lister_standard_arena_size_round_up(i32 arena_size){ if (arena_size < (64 << 10)){ arena_size = (64 << 10); } else{ arena_size += (4 << 10) - 1; arena_size -= arena_size%(4 << 10); } return(arena_size); } static void init_lister_state(Application_Links *app, Lister_State *state, Heap *heap){ state->initialized = true; state->hot_user_data = 0; state->item_index = 0; state->set_view_vertical_focus_to_item = false; state->item_count_after_filter = 0; } UI_QUIT_FUNCTION(lister_quit_function){ Lister_State *state = view_get_lister_state(view); state->initialized = false; view_clear_ui_data(app, view); } static UI_Item lister_get_clicked_item(Application_Links *app, View_ID view_id){ UI_Item result = {}; UI_Data *ui_data = 0; Arena *ui_arena = 0; if (view_get_ui_data(app, view_id, ViewGetUIFlag_KeepDataAsIs, &ui_data, &ui_arena)){ Mouse_State mouse = get_mouse_state(app); Rect_f32 region = view_get_buffer_region(app, view_id); Vec2_f32 m_panel_space = get_mouse_position_in_panel_space(mouse, region.p0); Basic_Scroll scroll = view_get_basic_scroll(app, view_id); Vec2_f32 m_view_space = m_panel_space + scroll.position; UI_Item *clicked = ui_control_get_mouse_hit(ui_data, m_view_space, m_panel_space); if (clicked != 0){ result = *clicked; } } return(result); } static f32 lister_get_text_field_height(f32 line_height){ return(line_height); } static f32 lister_get_block_height(f32 line_height, b32 is_theme_list){ f32 block_height = 0; if (is_theme_list){ block_height = line_height*3 + 6; } else{ block_height = line_height*2; } return(block_height); } static void lister_update_ui(Application_Links *app, View_ID view, Lister_State *state){ b32 is_theme_list = state->lister.data.theme_list; Rect_f32 screen_rect = view_get_screen_rect(app, view); Face_ID face_id = get_face_id(app, 0); Face_Metrics metrics = get_face_metrics(app, face_id); Basic_Scroll scroll = view_get_basic_scroll(app, view); f32 x0 = 0; f32 x1 = (rect_width(screen_rect)); f32 line_height = metrics.line_height; f32 block_height = lister_get_block_height(line_height, is_theme_list); f32 text_field_height = lister_get_text_field_height(metrics.line_height); Arena *scratch = context_get_arena(app); Temp_Memory full_temp = begin_temp(scratch); Rect_f32 region = view_get_buffer_region(app, view); Vec2_f32 view_m = get_mouse_position_in_panel_space(app, region.p0); view_m += scroll.position; f32 y_pos = text_field_height; state->raw_item_index = -1; i32 node_count = state->lister.data.options.count; Lister_Node_Ptr_Array exact_matches = {}; exact_matches.node_ptrs = push_array(scratch, Lister_Node*, 1); Lister_Node_Ptr_Array before_extension_matches = {}; before_extension_matches.node_ptrs = push_array(scratch, Lister_Node*, node_count); Lister_Node_Ptr_Array substring_matches = {}; substring_matches.node_ptrs = push_array(scratch, Lister_Node*, node_count); { Temp_Memory temp = begin_temp(scratch); String_Const_u8 key = state->lister.data.key_string.string; key = push_string_copy(scratch, key); string_mod_replace_character(key, '_', '*'); string_mod_replace_character(key, ' ', '*'); List_String_Const_u8 absolutes = {}; string_list_push(scratch, &absolutes, string_u8_litexpr("")); List_String_Const_u8 splits = string_split(scratch, key, (u8*)"*", 1); b32 has_wildcard = (splits.node_count > 1); string_list_push(&absolutes, &splits); string_list_push(scratch, &absolutes, string_u8_litexpr("")); for (Lister_Node *node = state->lister.data.options.first; node != 0; node = node->next){ String_Const_u8 node_string = node->string; if (key.size == 0 || string_wildcard_match_insensitive(absolutes, node_string)){ if (string_match_insensitive(node_string, key) && exact_matches.count == 0){ exact_matches.node_ptrs[exact_matches.count++] = node; } else if (!has_wildcard && string_match_insensitive(string_prefix(node_string, key.size), key) && node->string.size > key.size && node->string.str[key.size] == '.'){ before_extension_matches.node_ptrs[before_extension_matches.count++] = node; } else{ substring_matches.node_ptrs[substring_matches.count++] = node; } } } end_temp(temp); } Lister_Node_Ptr_Array node_ptr_arrays[] = { exact_matches, before_extension_matches, substring_matches, }; UI_Data *ui_data = 0; Arena *ui_arena = 0; if (view_get_ui_data(app, view, ViewGetUIFlag_ClearData, &ui_data, &ui_arena)){ block_zero_struct(ui_data); UI_Item *highlighted_item = 0; UI_Item *hot_item = 0; UI_Item *hovered_item = 0; i32 item_index_counter = 0; for (i32 array_index = 0; array_index < ArrayCount(node_ptr_arrays); array_index += 1){ Lister_Node_Ptr_Array node_ptr_array = node_ptr_arrays[array_index]; for (i32 node_index = 0; node_index < node_ptr_array.count; node_index += 1){ Lister_Node *node = node_ptr_array.node_ptrs[node_index]; Rect_f32 item_rect = Rf32(x0, y_pos, x1, y_pos + block_height); y_pos = item_rect.y1; UI_Item item = {}; item.activation_level = UIActivation_None; item.coordinates = UICoordinates_ViewSpace; item.rect_outer = Ri32(item_rect); item.inner_margin = 3; if (!is_theme_list){ Fancy_String_List list = {}; push_fancy_string (ui_arena, &list, fancy_id(Stag_Default), node->string); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Default), " "); push_fancy_string (ui_arena, &list, fancy_id(Stag_Pop2 ), node->status); item.lines[0] = list; item.line_count = 1; } else{ //i32 style_index = node->index; String_Const_u8 name = string_u8_litexpr("name"); item.lines[0] = fancy_string_list_single(push_fancy_string(ui_arena, fancy_id(Stag_Default), name)); Fancy_String_List list = {}; push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Keyword ), "if "); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Default ), "(x < "); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Int_Constant), "0"); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Default ), ") { x = "); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Int_Constant), "0"); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Default ), "; } "); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Comment ), "// comment"); item.lines[1] = list; item.line_count = 2; } item.user_data = node->user_data; UI_Item *item_ptr = ui_list_add_item(ui_arena, &ui_data->list, item); if (rect_contains_point(item_rect, view_m)){ hovered_item = item_ptr; } if (state->item_index == item_index_counter){ highlighted_item = item_ptr; state->raw_item_index = node->raw_index; } item_index_counter += 1; if (node->user_data == state->hot_user_data && hot_item != 0){ hot_item = item_ptr; } } } state->item_count_after_filter = item_index_counter; if (hovered_item != 0){ hovered_item->activation_level = UIActivation_Hover; } if (hot_item != 0){ if (hot_item == hovered_item){ hot_item->activation_level = UIActivation_Active; } else{ hot_item->activation_level = UIActivation_Hover; } } if (highlighted_item != 0){ highlighted_item->activation_level = UIActivation_Active; } if (state->set_view_vertical_focus_to_item){ if (highlighted_item != 0){ view_set_vertical_focus_basic(app, view, (f32)highlighted_item->rect_outer.y0, (f32)highlighted_item->rect_outer.y1); } state->set_view_vertical_focus_to_item = false; } { // TODO(allen): switch to float i32_Rect item_rect = {}; item_rect.x0 = (i32)x0; item_rect.y0 = 0; item_rect.x1 = (i32)x1; item_rect.y1 = item_rect.y0 + (i32)text_field_height; y_pos = (f32)item_rect.y1; UI_Item item = {}; item.activation_level = UIActivation_Active; item.coordinates = UICoordinates_PanelSpace; item.rect_outer = item_rect; item.inner_margin = 0; { Fancy_String_List list = {}; push_fancy_string (ui_arena, &list, fancy_id(Stag_Pop1 ), state->lister.data.query.string); push_fancy_stringf(ui_arena, &list, fancy_id(Stag_Pop1 ), " "); push_fancy_string (ui_arena, &list, fancy_id(Stag_Default), state->lister.data.text_field.string); item.lines[0] = list; item.line_count = 1; } item.user_data = 0; ui_list_add_item(ui_arena, &ui_data->list, item); } ui_data_compute_bounding_boxes(ui_data); // TODO(allen): what to do with control now? //UI_Control control = ui_list_to_ui_control(scratch, &list); view_set_quit_ui_handler(app, view, lister_quit_function); } end_temp(full_temp); } static Lister_Prealloced_String lister_prealloced(String_Const_u8 string){ Lister_Prealloced_String result = {}; result.string = string; return(result); } static void lister_first_init(Application_Links *app, Lister *lister, void *user_data, i32 user_data_size){ if (lister->arena.base_allocator == 0) { lister->arena = make_arena_app_links(app, KB(16)); } else{ linalloc_clear(&lister->arena); } block_zero_struct(&lister->data); lister->data.query = Su8(lister->data.query_space, 0, sizeof(lister->data.query_space)); lister->data.text_field = Su8(lister->data.text_field_space, 0, sizeof(lister->data.text_field_space)); lister->data.key_string = Su8(lister->data.key_string_space, 0, sizeof(lister->data.key_string_space)); lister->data.user_data = push_array(&lister->arena, char, user_data_size); lister->data.user_data_size = user_data_size; push_align(&lister->arena, 8); if (user_data != 0){ block_copy(lister->data.user_data, user_data, user_data_size); } } static void lister_begin_new_item_set(Application_Links *app, Lister *lister){ linalloc_clear(&lister->arena); block_zero_struct(&lister->data.options); } static void* lister_add_item(Lister *lister, Lister_Prealloced_String string, Lister_Prealloced_String status, void *user_data, umem extra_space){ void *base_memory = push_array(&lister->arena, u8, sizeof(Lister_Node) + extra_space); Lister_Node *node = (Lister_Node*)base_memory; node->string = string.string; node->status = status.string; node->user_data = user_data; node->raw_index = lister->data.options.count; zdll_push_back(lister->data.options.first, lister->data.options.last, node); lister->data.options.count += 1; void *result = (node + 1); return(result); } static void* lister_add_item(Lister *lister, Lister_Prealloced_String string, String_Const_u8 status, void *user_data, umem extra_space){ return(lister_add_item(lister, string, lister_prealloced(push_string_copy(&lister->arena, status)), user_data, extra_space)); } static void* lister_add_item(Lister *lister, String_Const_u8 string, Lister_Prealloced_String status, void *user_data, umem extra_space){ return(lister_add_item(lister, lister_prealloced(push_string_copy(&lister->arena, string)), status, user_data, extra_space)); } static void* lister_add_item(Lister *lister, String_Const_u8 string, String_Const_u8 status, void *user_data, umem extra_space){ return(lister_add_item(lister, lister_prealloced(push_string_copy(&lister->arena, string)), lister_prealloced(push_string_copy(&lister->arena, status)), user_data, extra_space)); } static void* lister_add_theme_item(Lister *lister, Lister_Prealloced_String string, i32 index, void *user_data, i32 extra_space){ Lister_Node *node = push_array(&lister->arena, Lister_Node, 1); node->string = string.string; node->index = index; node->user_data = user_data; node->raw_index = lister->data.options.count; zdll_push_back(lister->data.options.first, lister->data.options.last, node); lister->data.options.count += 1; void *result = push_array(&lister->arena, char, extra_space); push_align(&lister->arena, 8); return(result); } static void* lister_add_theme_item(Lister *lister, String_Const_u8 string, i32 index, void *user_data, i32 extra_space){ return(lister_add_theme_item(lister, lister_prealloced(push_string_copy(&lister->arena, string)), index, user_data, extra_space)); } static void* lister_get_user_data(Lister_Data *lister_data, i32 index){ void *result = 0; if (0 <= index && index < lister_data->options.count){ i32 counter = 0; for (Lister_Node *node = lister_data->options.first; node != 0; node = node->next, counter += 1){ if (counter == index){ result = node->user_data; break; } } } return(result); } static void lister_call_refresh_handler(Application_Links *app, Lister *lister){ if (lister->data.handlers.refresh != 0){ lister->data.handlers.refresh(app, lister); } } static void lister_default(Application_Links *app, Heap *heap, View_ID view, Lister_State *state, Lister_Activation_Code code){ switch (code){ case ListerActivation_Finished: { view_end_ui_mode(app, view); state->initialized = false; linalloc_clear(&state->lister.arena); }break; case ListerActivation_Continue: { view_begin_ui_mode(app, view); }break; case ListerActivation_ContinueAndRefresh: { view_begin_ui_mode(app, view); state->item_index = 0; lister_call_refresh_handler(app, &state->lister); lister_update_ui(app, view, state); }break; } } static void lister_call_activate_handler(Application_Links *app, Heap *heap, View_ID view, Lister_State *state, void *user_data, b32 activated_by_mouse){ Lister_Data *lister = &state->lister.data; if (lister->handlers.activate != 0){ lister->handlers.activate(app, heap, view, state, lister->text_field.string, user_data, activated_by_mouse); } else{ lister_default(app, heap, view, state, ListerActivation_Finished); } } static void lister_set_string(String_Const_u8 string, String_u8 *target){ target->size = 0; string_append(target, string); } static void lister_append_string(String_Const_u8 string, String_u8 *target){ string_append(target, string); } static void lister_set_query(Lister_Data *lister, String_Const_u8 string){ lister_set_string(string, &lister->query); } static void lister_set_query(Lister_Data *lister, char *string){ lister_set_string(SCu8(string), &lister->query); } static void lister_set_text_field(Lister_Data *lister, String_Const_u8 string){ lister_set_string(string, &lister->text_field); } static void lister_set_text_field(Lister_Data *lister, char *string){ lister_set_string(SCu8(string), &lister->text_field); } static void lister_set_key(Lister_Data *lister, String_Const_u8 string){ lister_set_string(string, &lister->key_string); } static void lister_set_key(Lister_Data *lister, char *string){ lister_set_string(SCu8(string), &lister->key_string); } static void lister_set_query(Lister *lister, String_Const_u8 string){ lister_set_query(&lister->data, string); } static void lister_set_query(Lister *lister, char *string){ lister_set_query(&lister->data, string); } static void lister_set_text_field(Lister *lister, String_Const_u8 string){ lister_set_text_field(&lister->data, string); } static void lister_set_text_field(Lister *lister, char *string){ lister_set_text_field(&lister->data, string); } static void lister_set_key(Lister *lister, String_Const_u8 string){ lister_set_key(&lister->data, string); } static void lister_set_key(Lister *lister, char *string){ lister_set_key(&lister->data, string); } static void lister_append_query(Lister_Data *lister, String_Const_u8 string){ lister_append_string(string, &lister->query); } static void lister_append_query(Lister_Data *lister, char *string){ lister_append_string(SCu8(string), &lister->query); } static void lister_append_text_field(Lister_Data *lister, String_Const_u8 string){ lister_append_string(string, &lister->text_field); } static void lister_append_text_field(Lister_Data *lister, char *string){ lister_append_string(SCu8(string), &lister->text_field); } static void lister_append_key(Lister_Data *lister, String_Const_u8 string){ lister_append_string(string, &lister->key_string); } static void lister_append_key(Lister_Data *lister, char *string){ lister_append_string(SCu8(string), &lister->key_string); } static void lister_append_query(Lister *lister, String_Const_u8 string){ lister_append_query(&lister->data, string); } static void lister_append_query(Lister *lister, char *string){ lister_append_query(&lister->data, string); } static void lister_append_text_field(Lister *lister, String_Const_u8 string){ lister_append_text_field(&lister->data, string); } static void lister_append_text_field(Lister *lister, char *string){ lister_append_text_field(&lister->data, string); } static void lister_append_key(Lister *lister, String_Const_u8 string){ lister_append_key(&lister->data, string); } static void lister_append_key(Lister *lister, char *string){ lister_append_key(&lister->data, string); } // BOTTOM