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4coder
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4coder/custom/4coder_lists.cpp

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/*
4coder_lists.cpp - List helpers and list commands
such as open file, switch buffer, or kill buffer.
*/
// TOP
function void
generate_all_buffers_list__output_buffer(Application_Links *app, Lister *lister,
Buffer_ID buffer){
Dirty_State dirty = buffer_get_dirty_state(app, buffer);
String_Const_u8 status = {};
switch (dirty){
case DirtyState_UnsavedChanges: status = string_u8_litexpr("*"); break;
case DirtyState_UnloadedChanges: status = string_u8_litexpr("!"); break;
case DirtyState_UnsavedChangesAndUnloadedChanges: status = string_u8_litexpr("*!"); break;
}
Scratch_Block scratch(app);
String_Const_u8 buffer_name = push_buffer_unique_name(app, scratch, buffer);
lister_add_item(lister, buffer_name, status, IntAsPtr(buffer), 0);
}
function void
generate_all_buffers_list(Application_Links *app, Lister *lister){
lister_begin_new_item_set(app, lister);
Buffer_ID viewed_buffers[16];
i32 viewed_buffer_count = 0;
// List currently viewed buffers
for (View_ID view = get_view_next(app, 0, Access_Always);
view != 0;
view = get_view_next(app, view, Access_Always)){
Buffer_ID new_buffer_id = view_get_buffer(app, view, Access_Always);
for (i32 i = 0; i < viewed_buffer_count; i += 1){
if (new_buffer_id == viewed_buffers[i]){
goto skip0;
}
}
viewed_buffers[viewed_buffer_count++] = new_buffer_id;
skip0:;
}
// Regular Buffers
for (Buffer_ID buffer = get_buffer_next(app, 0, Access_Always);
buffer != 0;
buffer = get_buffer_next(app, buffer, Access_Always)){
for (i32 i = 0; i < viewed_buffer_count; i += 1){
if (buffer == viewed_buffers[i]){
goto skip1;
}
}
if (!buffer_has_name_with_star(app, buffer)){
generate_all_buffers_list__output_buffer(app, lister, buffer);
}
skip1:;
}
// Buffers Starting with *
for (Buffer_ID buffer = get_buffer_next(app, 0, Access_Always);
buffer != 0;
buffer = get_buffer_next(app, buffer, Access_Always)){
for (i32 i = 0; i < viewed_buffer_count; i += 1){
if (buffer == viewed_buffers[i]){
goto skip2;
}
}
if (buffer_has_name_with_star(app, buffer)){
generate_all_buffers_list__output_buffer(app, lister, buffer);
}
skip2:;
}
// Buffers That Are Open in Views
for (i32 i = 0; i < viewed_buffer_count; i += 1){
generate_all_buffers_list__output_buffer(app, lister, viewed_buffers[i]);
}
}
function Buffer_ID
get_buffer_from_user(Application_Links *app, String_Const_u8 query){
Lister_Handlers handlers = lister_get_default_handlers();
handlers.refresh = generate_all_buffers_list;
Lister_Result l_result = run_lister_with_refresh_handler(app, query, handlers);
Buffer_ID result = 0;
if (!l_result.canceled){
result = (Buffer_ID)(PtrAsInt(l_result.user_data));
}
return(result);
}
function Buffer_ID
get_buffer_from_user(Application_Links *app, char *query){
return(get_buffer_from_user(app, SCu8(query)));
}
////////////////////////////////
function Custom_Command_Function*
get_command_from_user(Application_Links *app, String_Const_u8 query,
i32 *command_ids, i32 command_id_count){
if (command_ids == 0){
command_id_count = command_one_past_last_id;
}
Scratch_Block scratch(app, Scratch_Share);
Lister *lister = begin_lister(app, scratch);
lister_set_query(lister, query);
lister->handlers = lister_get_default_handlers();
for (i32 i = 0; i < command_id_count; i += 1){
i32 j = i;
if (command_ids != 0){
j = command_ids[i];
}
j = clamp(0, j, command_one_past_last_id);
lister_add_item(lister,
SCu8(fcoder_metacmd_table[j].name),
SCu8(fcoder_metacmd_table[j].description),
(void*)fcoder_metacmd_table[j].proc, 0);
}
Lister_Result l_result = run_lister(app, lister);
Custom_Command_Function *result = 0;
if (!l_result.canceled){
result = (Custom_Command_Function*)l_result.user_data;
}
return(result);
}
function Custom_Command_Function*
get_command_from_user(Application_Links *app, String_Const_u8 query){
return(get_command_from_user(app, query, 0, 0));
}
function Custom_Command_Function*
get_command_from_user(Application_Links *app, char *query,
i32 *command_ids, i32 command_id_count){
return(get_command_from_user(app, SCu8(query), command_ids, command_id_count));
}
function Custom_Command_Function*
get_command_from_user(Application_Links *app, char *query){
return(get_command_from_user(app, SCu8(query), 0, 0));
}
////////////////////////////////
function void
lister__write_character__file_path(Application_Links *app){
View_ID view = get_this_ctx_view(app, Access_Always);
Lister *lister = view_get_lister(view);
if (lister != 0){
User_Input in = get_current_input(app);
String_Const_u8 string = to_writable(&in);
if (string.str != 0 && string.size > 0){
lister_append_text_field(lister, string);
String_Const_u8 front_name = string_front_of_path(lister->text_field.string);
lister_set_key(lister, front_name);
if (character_is_slash(string.str[0])){
String_Const_u8 new_hot = lister->text_field.string;
set_hot_directory(app, new_hot);
lister_call_refresh_handler(app, lister);
}
lister->item_index = 0;
lister_zero_scroll(lister);
lister_update_filtered_list(app, lister);
}
}
}
function void
lister__backspace_text_field__file_path(Application_Links *app){
View_ID view = get_this_ctx_view(app, Access_Always);
Lister *lister = view_get_lister(view);
if (lister != 0){
if (lister->text_field.size > 0){
char last_char = lister->text_field.str[lister->text_field.size - 1];
lister->text_field.string = backspace_utf8(lister->text_field.string);
if (character_is_slash(last_char)){
User_Input input = get_current_input(app);
String_Const_u8 text_field = lister->text_field.string;
String_Const_u8 new_hot = string_remove_last_folder(text_field);
b32 is_modified = has_modifier(&input, KeyCode_Control);
b32 whole_word_backspace = (is_modified == global_config.lister_whole_word_backspace_when_modified);
if (whole_word_backspace){
lister->text_field.size = new_hot.size;
}
set_hot_directory(app, new_hot);
// TODO(allen): We have to protect against lister_call_refresh_handler
// changing the text_field here. Clean this up.
String_u8 dingus = lister->text_field;
lister_call_refresh_handler(app, lister);
lister->text_field = dingus;
}
else{
String_Const_u8 text_field = lister->text_field.string;
String_Const_u8 new_key = string_front_of_path(text_field);
lister_set_key(lister, new_key);
}
lister->item_index = 0;
lister_zero_scroll(lister);
lister_update_filtered_list(app, lister);
}
}
}
function void
generate_hot_directory_file_list(Application_Links *app, Lister *lister){
Scratch_Block scratch(app);
Temp_Memory temp = begin_temp(lister->arena);
String_Const_u8 hot = push_hot_directory(app, lister->arena);
if (!character_is_slash(string_get_character(hot, hot.size - 1))){
hot = push_u8_stringf(lister->arena, "%.*s/", string_expand(hot));
}
lister_set_text_field(lister, hot);
lister_set_key(lister, string_front_of_path(hot));
File_List file_list = system_get_file_list(scratch, hot);
end_temp(temp);
File_Info **one_past_last = file_list.infos + file_list.count;
lister_begin_new_item_set(app, lister);
hot = push_hot_directory(app, lister->arena);
push_align(lister->arena, 8);
if (hot.str != 0){
String_Const_u8 empty_string = string_u8_litexpr("");
Lister_Prealloced_String empty_string_prealloced = lister_prealloced(empty_string);
for (File_Info **info = file_list.infos;
info < one_past_last;
info += 1){
if (!HasFlag((**info).attributes.flags, FileAttribute_IsDirectory)) continue;
String_Const_u8 file_name = push_u8_stringf(lister->arena, "%.*s/",
string_expand((**info).file_name));
lister_add_item(lister, lister_prealloced(file_name), empty_string_prealloced, file_name.str, 0);
}
for (File_Info **info = file_list.infos;
info < one_past_last;
info += 1){
if (HasFlag((**info).attributes.flags, FileAttribute_IsDirectory)) continue;
String_Const_u8 file_name = push_string_copy(lister->arena, (**info).file_name);
char *is_loaded = "";
char *status_flag = "";
Buffer_ID buffer = {};
{
Temp_Memory path_temp = begin_temp(lister->arena);
List_String_Const_u8 list = {};
string_list_push(lister->arena, &list, hot);
string_list_push_overlap(lister->arena, &list, '/', (**info).file_name);
String_Const_u8 full_file_path = string_list_flatten(lister->arena, list);
buffer = get_buffer_by_file_name(app, full_file_path, Access_Always);
end_temp(path_temp);
}
if (buffer != 0){
is_loaded = "LOADED";
Dirty_State dirty = buffer_get_dirty_state(app, buffer);
switch (dirty){
case DirtyState_UnsavedChanges: status_flag = " *"; break;
case DirtyState_UnloadedChanges: status_flag = " !"; break;
case DirtyState_UnsavedChangesAndUnloadedChanges: status_flag = " *!"; break;
}
}
String_Const_u8 status = push_u8_stringf(lister->arena, "%s%s", is_loaded, status_flag);
lister_add_item(lister, lister_prealloced(file_name), lister_prealloced(status), file_name.str, 0);
}
}
}
struct File_Name_Result{
b32 canceled;
b32 clicked;
b32 is_folder;
String_Const_u8 file_name_activated;
String_Const_u8 file_name_in_text_field;
String_Const_u8 path_in_text_field;
};
function File_Name_Result
get_file_name_from_user(Application_Links *app, Arena *arena, String_Const_u8 query,
View_ID view){
Lister_Handlers handlers = lister_get_default_handlers();
handlers.refresh = generate_hot_directory_file_list;
handlers.write_character = lister__write_character__file_path;
handlers.backspace = lister__backspace_text_field__file_path;
Lister_Result l_result =
run_lister_with_refresh_handler(app, arena, query, handlers);
File_Name_Result result = {};
result.canceled = l_result.canceled;
if (!l_result.canceled){
result.clicked = l_result.activated_by_click;
if (l_result.user_data != 0){
String_Const_u8 name = SCu8((u8*)l_result.user_data);
result.file_name_activated = name;
result.is_folder =
character_is_slash(string_get_character(name, name.size -1 ));
}
result.file_name_in_text_field = string_front_of_path(l_result.text_field);
String_Const_u8 path = string_remove_front_of_path(l_result.text_field);
if (character_is_slash(string_get_character(path, path.size - 1))){
path = string_chop(path, 1);
}
result.path_in_text_field = path;
}
return(result);
}
function File_Name_Result
get_file_name_from_user(Application_Links *app, Arena *arena, char *query,
View_ID view){
return(get_file_name_from_user(app, arena, SCu8(query), view));
}
////////////////////////////////
enum{
SureToKill_NULL = 0,
SureToKill_No = 1,
SureToKill_Yes = 2,
SureToKill_Save = 3,
};
function b32
do_buffer_kill_user_check(Application_Links *app, Buffer_ID buffer, View_ID view){
Scratch_Block scratch(app);
Lister_Choice_List list = {};
lister_choice(scratch, &list, "(N)o" , "", KeyCode_N, SureToKill_No);
lister_choice(scratch, &list, "(Y)es" , "", KeyCode_Y, SureToKill_Yes);
lister_choice(scratch, &list, "(S)ave", "", KeyCode_S, SureToKill_Save);
Lister_Choice *choice =
get_choice_from_user(app, "There are unsaved changes, close anyway?", list);
b32 do_kill = false;
if (choice != 0){
switch (choice->user_data){
case SureToKill_No:
{}break;
case SureToKill_Yes:
{
do_kill = true;
}break;
case SureToKill_Save:
{
String_Const_u8 file_name = push_buffer_file_name(app, scratch, buffer);
if (buffer_save(app, buffer, file_name, BufferSave_IgnoreDirtyFlag)){
do_kill = true;
}
else{
#define M "Did not close '%.*s' because it did not successfully save."
String_Const_u8 str =
push_u8_stringf(scratch, M, string_expand(file_name));
#undef M
print_message(app, str);
}
}break;
}
}
return(do_kill);
}
function b32
do_4coder_close_user_check(Application_Links *app, View_ID view){
Scratch_Block scratch(app);
Lister_Choice_List list = {};
lister_choice(scratch, &list, "(N)o" , "", KeyCode_N, SureToKill_No);
lister_choice(scratch, &list, "(Y)es" , "", KeyCode_Y, SureToKill_Yes);
lister_choice(scratch, &list, "(S)ave all and close", "",
KeyCode_S, SureToKill_Save);
#define M "There are one or more buffers with unsave changes, close anyway?"
Lister_Choice *choice = get_choice_from_user(app, M, list);
#undef M
b32 do_exit = false;
if (choice != 0){
switch (choice->user_data){
case SureToKill_No:
{}break;
case SureToKill_Yes:
{
allow_immediate_close_without_checking_for_changes = true;
do_exit = true;
}break;
case SureToKill_Save:
{
save_all_dirty_buffers(app);
allow_immediate_close_without_checking_for_changes = true;
do_exit = true;
}break;
}
}
return(do_exit);
}
////////////////////////////////
CUSTOM_UI_COMMAND_SIG(interactive_switch_buffer)
CUSTOM_DOC("Interactively switch to an open buffer.")
{
View_ID view = get_active_view(app, Access_Always);
Buffer_ID buffer = get_buffer_from_user(app, "Switch:");
if (buffer != 0){
view_set_buffer(app, view, buffer, 0);
}
}
CUSTOM_UI_COMMAND_SIG(interactive_kill_buffer)
CUSTOM_DOC("Interactively kill an open buffer.")
{
View_ID view = get_active_view(app, Access_Always);
Buffer_ID buffer = get_buffer_from_user(app, "Kill:");
if (buffer != 0){
try_buffer_kill(app, buffer, view, 0);
}
}
////////////////////////////////
function Lister_Activation_Code
activate_open_or_new__generic(Application_Links *app, View_ID view,
String_Const_u8 path, String_Const_u8 file_name,
b32 is_folder,
Buffer_Create_Flag flags){
Lister_Activation_Code result = 0;
if (file_name.size == 0){
#define M "Zero length file_name passed to activate_open_or_new__generic\n"
print_message(app, string_u8_litexpr(M));
#undef M
result = ListerActivation_Finished;
}
else{
Scratch_Block scratch(app, Scratch_Share);
String_Const_u8 full_file_name = {};
if (character_is_slash(string_get_character(path, path.size - 1))){
path = string_chop(path, 1);
}
full_file_name = push_u8_stringf(scratch, "%.*s/%.*s", string_expand(path), string_expand(file_name));
if (is_folder){
set_hot_directory(app, full_file_name);
result = ListerActivation_ContinueAndRefresh;
}
else{
Buffer_ID buffer = create_buffer(app, full_file_name, flags);
if (buffer != 0){
view_set_buffer(app, view, buffer, SetBuffer_KeepOriginalGUI);
}
result = ListerActivation_Finished;
}
}
return(result);
}
CUSTOM_UI_COMMAND_SIG(interactive_open_or_new)
CUSTOM_DOC("Interactively open a file out of the file system.")
{
for (;;){
Scratch_Block scratch(app);
View_ID view = get_this_ctx_view(app, Access_Always);
File_Name_Result result = get_file_name_from_user(app, scratch, "Open:",
view);
if (result.canceled) break;
String_Const_u8 file_name = result.file_name_activated;
if (file_name.size == 0){
file_name = result.file_name_in_text_field;
}
if (file_name.size == 0) break;
String_Const_u8 path = result.path_in_text_field;
String_Const_u8 full_file_name =
push_u8_stringf(scratch, "%.*s/%.*s",
string_expand(path), string_expand(file_name));
if (result.is_folder){
set_hot_directory(app, full_file_name);
continue;
}
Buffer_ID buffer = create_buffer(app, full_file_name, 0);
if (buffer != 0){
view_set_buffer(app, view, buffer, 0);
}
break;
}
}
CUSTOM_UI_COMMAND_SIG(interactive_new)
CUSTOM_DOC("Interactively creates a new file.")
{
for (;;){
Scratch_Block scratch(app);
View_ID view = get_this_ctx_view(app, Access_Always);
File_Name_Result result = get_file_name_from_user(app, scratch, "New:",
view);
if (result.canceled) break;
// NOTE(allen): file_name from the text field always
// unless this is a folder or a mouse click.
String_Const_u8 file_name = result.file_name_in_text_field;
if (result.is_folder || result.clicked){
file_name = result.file_name_activated;
}
if (file_name.size == 0) break;
String_Const_u8 path = result.path_in_text_field;
String_Const_u8 full_file_name =
push_u8_stringf(scratch, "%.*s/%.*s",
string_expand(path), string_expand(file_name));
if (result.is_folder){
set_hot_directory(app, full_file_name);
continue;
}
Buffer_Create_Flag flags = BufferCreate_AlwaysNew;
Buffer_ID buffer = create_buffer(app, full_file_name, flags);
if (buffer != 0){
view_set_buffer(app, view, buffer, 0);
}
break;
}
}
CUSTOM_UI_COMMAND_SIG(interactive_open)
CUSTOM_DOC("Interactively opens a file.")
{
for (;;){
Scratch_Block scratch(app);
View_ID view = get_this_ctx_view(app, Access_Always);
File_Name_Result result = get_file_name_from_user(app, scratch, "Open:",
view);
if (result.canceled) break;
String_Const_u8 file_name = result.file_name_activated;
if (file_name.size == 0) break;
String_Const_u8 path = result.path_in_text_field;
String_Const_u8 full_file_name =
push_u8_stringf(scratch, "%.*s/%.*s",
string_expand(path), string_expand(file_name));
if (result.is_folder){
set_hot_directory(app, full_file_name);
continue;
}
Buffer_Create_Flag flags = BufferCreate_NeverNew;
Buffer_ID buffer = create_buffer(app, full_file_name, flags);
if (buffer != 0){
view_set_buffer(app, view, buffer, 0);
}
break;
}
}
////////////////////////////////
CUSTOM_UI_COMMAND_SIG(command_lister)
CUSTOM_DOC("Opens an interactive list of all registered commands.")
{
Custom_Command_Function *func = get_command_from_user(app, "Command:");
if (func != 0){
View_ID view = get_this_ctx_view(app, Access_Always);
Managed_Scope scope = view_get_managed_scope(app, view);
Custom_Command_Function **call_next =
scope_attachment(app, scope, view_call_next, Custom_Command_Function*);
*call_next = func;
}
}
// BOTTOM
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