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4coder/4coder_base_commands.cpp

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/*
4coder_base_commands.cpp - Base commands such as inserting characters, and
moving the cursor, which work even without the default 4coder framework.
*/
// TOP
static void
write_character_parameter(Application_Links *app, u8 *character, u32 length){
if (length != 0){
View_Summary view = get_active_view(app, AccessOpen);
if_view_has_highlighted_range_delete_range(app, view.view_id);
view = get_view(app, view.view_id, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
i32 pos = view.cursor.pos;
// NOTE(allen): setup markers to figure out the new position of cursor after the insert
Marker next_cursor_marker = {};
next_cursor_marker.pos = character_pos_to_pos(app, &view, view.cursor.character_pos);
next_cursor_marker.lean_right = true;
Managed_Object handle = alloc_buffer_markers_on_buffer(app, buffer, 1, 0);
managed_object_store_data(app, handle, 0, 1, &next_cursor_marker);
// NOTE(allen): consecutive inserts merge logic
History_Record_Index first_index = 0;
buffer_history_get_current_state_index(app, buffer, &first_index);
b32 do_merge = false;
if (character[0] != '\n'){
Record_Info record = get_single_record(app, buffer, first_index);
if (record.error == RecordError_NoError && record.kind == RecordKind_Single){
String string = record.single.string_forward;
i32 last_end = record.single.first + string.size;
if (last_end == pos && string.size > 0){
char c = string.str[string.size - 1];
if (c != '\n'){
if (char_is_whitespace(character[0]) && char_is_whitespace(c)){
do_merge = true;
}
else if (char_is_alpha_numeric(character[0]) && char_is_alpha_numeric(c)){
do_merge = true;
}
}
}
}
}
// NOTE(allen): perform the edit
b32 edit_success = buffer_replace_range(app, buffer, pos, pos, make_string((char*)character, length));
// NOTE(allen): finish merging records if necessary
if (do_merge){
History_Record_Index last_index = 0;
buffer_history_get_current_state_index(app, buffer, &last_index);
buffer_history_merge_record_range(app, buffer, first_index, last_index, RecordMergeFlag_StateInRange_MoveStateForward);
}
// NOTE(allen): finish updating the cursor
managed_object_load_data(app, handle, 0, 1, &next_cursor_marker);
managed_object_free(app, handle);
if (edit_success){
view_set_cursor(app, &view, seek_pos(next_cursor_marker.pos), true);
}
}
}
CUSTOM_COMMAND_SIG(write_character)
CUSTOM_DOC("Inserts whatever character was used to trigger this command.")
{
User_Input in = get_command_input(app);
u8 character[4];
u32 length = to_writable_character(in, character);
write_character_parameter(app, character, length);
}
CUSTOM_COMMAND_SIG(write_underscore)
CUSTOM_DOC("Inserts an underscore.")
{
u8 character = '_';
write_character_parameter(app, &character, 1);
}
CUSTOM_COMMAND_SIG(delete_char)
CUSTOM_DOC("Deletes the character to the right of the cursor.")
{
View_Summary view = get_active_view(app, AccessOpen);
if (!if_view_has_highlighted_range_delete_range(app, view.view_id)){
view = get_view(app, view.view_id, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
i32 start = view.cursor.pos;
i32 buffer_size = 0;
buffer_get_size(app, buffer, &buffer_size);
if (0 <= start && start < buffer_size){
Full_Cursor cursor = {};
view_compute_cursor(app, &view, seek_character_pos(view.cursor.character_pos + 1), &cursor);
i32 end = cursor.pos;
buffer_replace_range(app, buffer, start, end, make_lit_string(""));
}
}
}
CUSTOM_COMMAND_SIG(backspace_char)
CUSTOM_DOC("Deletes the character to the left of the cursor.")
{
View_Summary view = get_active_view(app, AccessOpen);
if (!if_view_has_highlighted_range_delete_range(app, view.view_id)){
view = get_view(app, view.view_id, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
i32 end = view.cursor.pos;
i32 buffer_size = 0;
buffer_get_size(app, buffer, &buffer_size);
if (0 < end && end <= buffer_size){
Full_Cursor cursor = {};
view_compute_cursor(app, &view, seek_character_pos(view.cursor.character_pos - 1), &cursor);
i32 start = cursor.pos;
if (buffer_replace_range(app, buffer, start, end, make_lit_string(""))){
view_set_cursor(app, &view, seek_character_pos(view.cursor.character_pos - 1), true);
}
}
}
}
CUSTOM_COMMAND_SIG(set_mark)
CUSTOM_DOC("Sets the mark to the current position of the cursor.")
{
View_Summary view = get_active_view(app, AccessProtected);
view_set_mark(app, &view, seek_pos(view.cursor.pos));
view_set_cursor(app, &view, seek_pos(view.cursor.pos), 1);
}
CUSTOM_COMMAND_SIG(cursor_mark_swap)
CUSTOM_DOC("Swaps the position of the cursor and the mark.")
{
View_Summary view = get_active_view(app, AccessProtected);
i32 cursor = view.cursor.pos;
i32 mark = view.mark.pos;
view_set_cursor(app, &view, seek_pos(mark), true);
view_set_mark(app, &view, seek_pos(cursor));
}
CUSTOM_COMMAND_SIG(delete_range)
CUSTOM_DOC("Deletes the text in the range between the cursor and the mark.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
Range range = get_view_range(&view);
buffer_replace_range(app, buffer, range.min, range.max, make_lit_string(""));
}
////////////////////////////////
CUSTOM_COMMAND_SIG(center_view)
CUSTOM_DOC("Centers the view vertically on the line on which the cursor sits.")
{
View_Summary view = get_active_view(app, AccessProtected);
Rect_i32 region = {};
view_get_buffer_region(app, view.view_id, &region);
GUI_Scroll_Vars scroll = view.scroll_vars;
f32 h = (f32)(rect_height(region));
f32 y = get_view_y(&view);
y = y - h*.5f;
scroll.target_y = (i32)(y + .5f);
view_set_scroll(app, &view, scroll);
}
CUSTOM_COMMAND_SIG(left_adjust_view)
CUSTOM_DOC("Sets the left size of the view near the x position of the cursor.")
{
View_Summary view = get_active_view(app, AccessProtected);
GUI_Scroll_Vars scroll = view.scroll_vars;
f32 x = get_view_x(&view) - 30.f;
if (x < 0){
x = 0.f;
}
scroll.target_x = (i32)(x + .5f);
view_set_scroll(app, &view, scroll);
}
static b32
view_space_from_screen_space_checked(Vec2_i32 p, Rect_i32 file_region, Vec2 scroll_p, Vec2 *p_out){
b32 result = false;
if (rect_contains_point(file_region, p)){
*p_out = view_space_from_screen_space(V2(p), V2(file_region.p0), scroll_p);
result = true;
}
else{
*p_out = V2(0.f, 0.f);
}
return(result);
}
CUSTOM_COMMAND_SIG(click_set_cursor_and_mark)
CUSTOM_DOC("Sets the cursor position and mark to the mouse position.")
{
View_Summary view = get_active_view(app, AccessProtected);
Mouse_State mouse = get_mouse_state(app);
Vec2 p = {};
Rect_i32 region = {};
view_get_buffer_region(app, view.view_id, &region);
if (view_space_from_screen_space_checked(mouse.p, region, view.scroll_vars.scroll_p, &p)){
view_set_cursor(app, &view, seek_xy(p.x, p.y, true, view.unwrapped_lines), true);
view_set_mark(app, &view, seek_pos(view.cursor.pos));
}
}
CUSTOM_COMMAND_SIG(click_set_cursor)
CUSTOM_DOC("Sets the cursor position to the mouse position.")
{
View_Summary view = get_active_view(app, AccessProtected);
Mouse_State mouse = get_mouse_state(app);
Vec2 p = {};
Rect_i32 region = {};
view_get_buffer_region(app, view.view_id, &region);
if (view_space_from_screen_space_checked(mouse.p, region, view.scroll_vars.scroll_p, &p)){
view_set_cursor(app, &view, seek_xy(p.x, p.y, true, view.unwrapped_lines), true);
}
no_mark_snap_to_cursor(app, view.view_id);
}
CUSTOM_COMMAND_SIG(click_set_cursor_if_lbutton)
CUSTOM_DOC("If the mouse left button is pressed, sets the cursor position to the mouse position.")
{
View_Summary view = get_active_view(app, AccessProtected);
Mouse_State mouse = get_mouse_state(app);
if (mouse.l){
Vec2 p = {};
Rect_i32 region = {};
view_get_buffer_region(app, view.view_id, &region);
if (view_space_from_screen_space_checked(mouse.p, region, view.scroll_vars.scroll_p, &p)){
view_set_cursor(app, &view, seek_xy(p.x, p.y, true, view.unwrapped_lines), true);
}
}
no_mark_snap_to_cursor(app, view.view_id);
}
CUSTOM_COMMAND_SIG(click_set_mark)
CUSTOM_DOC("Sets the mark position to the mouse position.")
{
View_Summary view = get_active_view(app, AccessProtected);
Mouse_State mouse = get_mouse_state(app);
Vec2 p = {};
Rect_i32 region = {};
view_get_buffer_region(app, view.view_id, &region);
if (view_space_from_screen_space_checked(mouse.p, region, view.scroll_vars.scroll_p, &p)){
view_set_mark(app, &view, seek_xy(p.x, p.y, true, view.unwrapped_lines));
}
no_mark_snap_to_cursor(app, view.view_id);
}
CUSTOM_COMMAND_SIG(mouse_wheel_scroll)
CUSTOM_DOC("Reads the scroll wheel value from the mouse state and scrolls accordingly.")
{
View_Summary view = get_active_view(app, AccessProtected);
Mouse_State mouse = get_mouse_state(app);
if (mouse.wheel != 0){
GUI_Scroll_Vars scroll = view.scroll_vars;
scroll.target_y += mouse.wheel;
view_set_scroll(app, &view, scroll);
}
}
////////////////////////////////
static void
move_vertical(Application_Links *app, f32 line_multiplier){
u32 access = AccessProtected;
View_Summary view = get_active_view(app, access);
f32 delta_y = line_multiplier*view.line_height;
f32 new_y = get_view_y(&view) + delta_y;
f32 x = view.preferred_x;
view_set_cursor(app, &view, seek_xy(x, new_y, 0, view.unwrapped_lines), 0);
f32 actual_new_y = get_view_y(&view);
if (actual_new_y < new_y){
Rect_i32 file_region = {};
view_get_buffer_region(app, view.view_id, &file_region);
i32 height = rect_height(file_region);
i32 full_scroll_y = (i32)actual_new_y - height/2;
if (view.scroll_vars.target_y < full_scroll_y){
GUI_Scroll_Vars new_scroll_vars = view.scroll_vars;
new_scroll_vars.target_y += (i32)delta_y;
if (new_scroll_vars.target_y > full_scroll_y){
new_scroll_vars.target_y = full_scroll_y;
}
view_set_scroll(app, &view, new_scroll_vars);
}
}
no_mark_snap_to_cursor_if_shift(app, view.view_id);
}
static f32
get_page_jump(Application_Links *app, View_Summary *view){
Rect_i32 region = {};
view_get_buffer_region(app, view->view_id, &region);
f32 page_jump = 1.f;
if (view->line_height > 0.f){
i32 height = region.y1 - region.y0;
f32 line_count = (f32)(height)/view->line_height;
i32 line_count_rounded = (i32)line_count;
page_jump = (f32)line_count_rounded - 3.f;
if (page_jump <= 1.f){
page_jump = 1.f;
}
}
return(page_jump);
}
CUSTOM_COMMAND_SIG(move_up)
CUSTOM_DOC("Moves the cursor up one line.")
{
move_vertical(app, -1.f);
}
CUSTOM_COMMAND_SIG(move_down)
CUSTOM_DOC("Moves the cursor down one line.")
{
move_vertical(app, 1.f);
}
CUSTOM_COMMAND_SIG(move_up_10)
CUSTOM_DOC("Moves the cursor up ten lines.")
{
move_vertical(app, -10.f);
}
CUSTOM_COMMAND_SIG(move_down_10)
CUSTOM_DOC("Moves the cursor down ten lines.")
{
move_vertical(app, 10.f);
}
CUSTOM_COMMAND_SIG(move_down_textual)
CUSTOM_DOC("Moves down to the next line of actual text, regardless of line wrapping.")
{
View_Summary view = get_active_view(app, AccessOpen);
if (!view.exists){
return;
}
i32 next_line = view.cursor.line + 1;
view_set_cursor(app, &view, seek_line_char(next_line, 1), true);
}
CUSTOM_COMMAND_SIG(page_up)
CUSTOM_DOC("Scrolls the view up one view height and moves the cursor up one view height.")
{
u32 access = AccessProtected;
View_Summary view = get_active_view(app, access);
f32 page_jump = get_page_jump(app, &view);
move_vertical(app, -page_jump);
}
CUSTOM_COMMAND_SIG(page_down)
CUSTOM_DOC("Scrolls the view down one view height and moves the cursor down one view height.")
{
u32 access = AccessProtected;
View_Summary view = get_active_view(app, access);
f32 page_jump = get_page_jump(app, &view);
move_vertical(app, page_jump);
}
////////////////
CUSTOM_COMMAND_SIG(move_left)
CUSTOM_DOC("Moves the cursor one character to the left.")
{
u32 access = AccessProtected;
View_Summary view = get_active_view(app, access);
i32 new_pos = view.cursor.character_pos - 1;
view_set_cursor(app, &view, seek_character_pos(new_pos), 1);
no_mark_snap_to_cursor_if_shift(app, view.view_id);
}
CUSTOM_COMMAND_SIG(move_right)
CUSTOM_DOC("Moves the cursor one character to the right.")
{
u32 access = AccessProtected;
View_Summary view = get_active_view(app, access);
i32 new_pos = view.cursor.character_pos + 1;
view_set_cursor(app, &view, seek_character_pos(new_pos), 1);
no_mark_snap_to_cursor_if_shift(app, view.view_id);
}
CUSTOM_COMMAND_SIG(select_all)
CUSTOM_DOC("Puts the cursor at the top of the file, and the mark at the bottom of the file.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
i32 buffer_size = 0;
buffer_get_size(app, buffer, &buffer_size);
view_set_cursor(app, &view, seek_pos(0), true);
view_set_mark(app, &view, seek_pos(buffer_size));
no_mark_snap_to_cursor(app, view.view_id);
}
////////////////////////////////
CUSTOM_COMMAND_SIG(to_uppercase)
CUSTOM_DOC("Converts all ascii text in the range between the cursor and the mark to uppercase.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
Range range = get_view_range(&view);
i32 size = range.max - range.min;
if (size <= app->memory_size){
char *mem = (char*)app->memory;
buffer_read_range(app, buffer, range.min, range.max, mem);
for (i32 i = 0; i < size; ++i){
mem[i] = char_to_upper(mem[i]);
}
buffer_replace_range(app, buffer, range.min, range.max, make_string(mem, size));
view_set_cursor(app, &view, seek_pos(range.max), true);
}
}
CUSTOM_COMMAND_SIG(to_lowercase)
CUSTOM_DOC("Converts all ascii text in the range between the cursor and the mark to lowercase.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
Range range = get_view_range(&view);
i32 size = range.max - range.min;
if (size <= app->memory_size){
char *mem = (char*)app->memory;
buffer_read_range(app, buffer, range.min, range.max, mem);
for (i32 i = 0; i < size; ++i){
mem[i] = char_to_lower(mem[i]);
}
buffer_replace_range(app, buffer, range.min, range.max, make_string(mem, size));
view_set_cursor(app, &view, seek_pos(range.max), true);
}
}
CUSTOM_COMMAND_SIG(clean_all_lines)
CUSTOM_DOC("Removes trailing whitespace from all lines in the current buffer.")
{
// TODO(allen): This command always iterates accross the entire
// buffer, so streaming it is actually the wrong call. Rewrite this
// to minimize calls to buffer_read_range.
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer_id);
i32 buffer_size = 0;
i32 line_count = 0;
buffer_get_size(app, buffer_id, &buffer_size);
buffer_get_line_count(app, buffer_id, &line_count);
i32 edit_max = line_count;
if (edit_max*(i32)sizeof(Buffer_Edit) < app->memory_size){
Buffer_Edit *edits = (Buffer_Edit*)app->memory;
char data[1024];
Stream_Chunk chunk = {};
i32 i = 0;
if (init_stream_chunk(&chunk, app, buffer_id, i, data, sizeof(data))){
Buffer_Edit *edit = edits;
i32 still_looping = true;
i32 last_hard = buffer_size;
do{
for (; i < chunk.end; ++i){
char at_pos = chunk.data[i];
if (at_pos == '\n'){
if (last_hard + 1 < i){
edit->str_start = 0;
edit->len = 0;
edit->start = last_hard + 1;
edit->end = i;
++edit;
}
last_hard = buffer_size;
}
else if (char_is_whitespace(at_pos)){
// NOTE(allen): do nothing
}
else{
last_hard = i;
}
}
still_looping = forward_stream_chunk(&chunk);
}while(still_looping);
if (last_hard + 1 < buffer_size){
edit->str_start = 0;
edit->len = 0;
edit->start = last_hard + 1;
edit->end = buffer_size;
++edit;
}
i32 edit_count = (i32)(edit - edits);
buffer_batch_edit(app, buffer_id, 0, 0, edits, edit_count, BatchEdit_PreserveTokens);
}
}
}
////////////////////////////////
CUSTOM_COMMAND_SIG(basic_change_active_panel)
CUSTOM_DOC("Change the currently active panel, moving to the panel with the next highest view_id. Will not skipe the build panel if it is open.")
{
View_Summary view = get_active_view(app, AccessAll);
get_next_view_looped_all_panels(app, &view, AccessAll);
set_active_view(app, &view);
}
CUSTOM_COMMAND_SIG(close_panel)
CUSTOM_DOC("Closes the currently active panel if it is not the only panel open.")
{
View_Summary view = get_active_view(app, AccessAll);
close_view(app, &view);
}
////////////////////////////////
CUSTOM_COMMAND_SIG(show_scrollbar)
CUSTOM_DOC("Sets the current view to show it's scrollbar.")
{
View_Summary view = get_active_view(app, AccessAll);
view_set_setting(app, &view, ViewSetting_ShowScrollbar, true);
}
CUSTOM_COMMAND_SIG(hide_scrollbar)
CUSTOM_DOC("Sets the current view to hide it's scrollbar.")
{
View_Summary view = get_active_view(app, AccessAll);
view_set_setting(app, &view, ViewSetting_ShowScrollbar, false);
}
CUSTOM_COMMAND_SIG(show_filebar)
CUSTOM_DOC("Sets the current view to show it's filebar.")
{
View_Summary view = get_active_view(app, AccessAll);
view_set_setting(app, &view, ViewSetting_ShowFileBar, true);
}
CUSTOM_COMMAND_SIG(hide_filebar)
CUSTOM_DOC("Sets the current view to hide it's filebar.")
{
View_Summary view = get_active_view(app, AccessAll);
view_set_setting(app, &view, ViewSetting_ShowFileBar, false);
}
CUSTOM_COMMAND_SIG(toggle_filebar)
CUSTOM_DOC("Toggles the visibility status of the current view's filebar.")
{
View_Summary view = get_active_view(app, AccessAll);
b32 value;
view_get_setting(app, &view, ViewSetting_ShowFileBar, &value);
view_set_setting(app, &view, ViewSetting_ShowFileBar, !value);
}
CUSTOM_COMMAND_SIG(toggle_line_wrap)
CUSTOM_DOC("Toggles the current buffer's line wrapping status.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
b32 unwrapped = view.unwrapped_lines;
buffer_set_setting(app, buffer, BufferSetting_WrapLine, unwrapped);
}
CUSTOM_COMMAND_SIG(toggle_fps_meter)
CUSTOM_DOC("Toggles the visibility of the FPS performance meter")
{
show_fps_hud = !show_fps_hud;
}
CUSTOM_COMMAND_SIG(increase_line_wrap)
CUSTOM_DOC("Increases the current buffer's width for line wrapping.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
i32 wrap = 0;
buffer_get_setting(app, buffer, BufferSetting_WrapPosition, &wrap);
buffer_set_setting(app, buffer, BufferSetting_WrapPosition, wrap + 10);
}
CUSTOM_COMMAND_SIG(decrease_line_wrap)
CUSTOM_DOC("Decrases the current buffer's width for line wrapping.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
i32 wrap = 0;
buffer_get_setting(app, buffer, BufferSetting_WrapPosition, &wrap);
buffer_set_setting(app, buffer, BufferSetting_WrapPosition, wrap - 10);
}
CUSTOM_COMMAND_SIG(increase_face_size)
CUSTOM_DOC("Increase the size of the face used by the current buffer.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Face_ID face_id = 0;
get_face_id(app, buffer, &face_id);
Face_Description description = get_face_description(app, face_id);
++description.pt_size;
try_modify_face(app, face_id, &description);
}
CUSTOM_COMMAND_SIG(decrease_face_size)
CUSTOM_DOC("Decrease the size of the face used by the current buffer.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Face_ID face_id = 0;
get_face_id(app, buffer, &face_id);
Face_Description description = get_face_description(app, face_id);
--description.pt_size;
try_modify_face(app, face_id, &description);
}
CUSTOM_COMMAND_SIG(mouse_wheel_change_face_size)
CUSTOM_DOC("Reads the state of the mouse wheel and uses it to either increase or decrease the face size.")
{
static Microsecond_Time_Stamp next_resize_time = 0;
Microsecond_Time_Stamp now = get_microseconds_timestamp(app);
if (now >= next_resize_time){
next_resize_time = now + 50*1000;
Mouse_State mouse = get_mouse_state(app);
if (mouse.wheel > 0){
decrease_face_size(app);
}
else if (mouse.wheel < 0){
increase_face_size(app);
}
}
}
CUSTOM_COMMAND_SIG(toggle_virtual_whitespace)
CUSTOM_DOC("Toggles the current buffer's virtual whitespace status.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
i32 vwhite = 0;
buffer_get_setting(app, buffer, BufferSetting_VirtualWhitespace, &vwhite);
buffer_set_setting(app, buffer, BufferSetting_VirtualWhitespace, !vwhite);
}
CUSTOM_COMMAND_SIG(toggle_show_whitespace)
CUSTOM_DOC("Toggles the current buffer's whitespace visibility status.")
{
View_Summary view = get_active_view(app, AccessProtected);
view_set_setting(app, &view, ViewSetting_ShowWhitespace, !view.show_whitespace);
}
CUSTOM_COMMAND_SIG(toggle_line_numbers)
CUSTOM_DOC("Toggles the left margin line numbers.")
{
global_config.show_line_number_margins = !global_config.show_line_number_margins;
}
CUSTOM_COMMAND_SIG(eol_dosify)
CUSTOM_DOC("Puts the buffer in DOS line ending mode.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
buffer_set_setting(app, buffer, BufferSetting_Eol, 1);
}
CUSTOM_COMMAND_SIG(eol_nixify)
CUSTOM_DOC("Puts the buffer in NIX line ending mode.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
buffer_set_setting(app, buffer, BufferSetting_Eol, 0);
}
CUSTOM_COMMAND_SIG(exit_4coder)
CUSTOM_DOC("Attempts to close 4coder.")
{
send_exit_signal(app);
}
////////////////////////////////
CUSTOM_COMMAND_SIG(goto_line)
CUSTOM_DOC("Queries the user for a number, and jumps the cursor to the corresponding line.")
{
u32 access = AccessProtected;
Query_Bar bar = {};
char string_space[256];
bar.prompt = make_lit_string("Goto Line: ");
bar.string = make_fixed_width_string(string_space);
if (query_user_number(app, &bar)){
i32 line_number = str_to_int_s(bar.string);
View_Summary view = get_active_view(app, access);
view_set_cursor(app, &view, seek_line_char(line_number, 0), true);
}
}
CUSTOM_COMMAND_SIG(search);
CUSTOM_COMMAND_SIG(reverse_search);
static void
isearch__update_highlight(Application_Links *app, View_Summary *view, Managed_Object highlight,
i32 start, i32 end){
Marker markers[4] = {};
markers[0].pos = start;
markers[1].pos = end;
managed_object_store_data(app, highlight, 0, 2, markers);
view_set_cursor(app, view, seek_pos(start), false);
}
static void
isearch(Application_Links *app, b32 start_reversed, String query_init, b32 on_the_query_init_string){
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
if (!buffer_exists(app, buffer_id)){
return;
}
Query_Bar bar = {};
if (start_query_bar(app, &bar, 0) == 0){
return;
}
b32 reverse = start_reversed;
i32 first_pos = view.cursor.pos;
i32 pos = first_pos;
if (query_init.size != 0){
pos += 2;
}
i32 start_pos = pos;
Range match = make_range(pos, pos);
char bar_string_space[256];
bar.string = make_fixed_width_string(bar_string_space);
copy(&bar.string, query_init);
String isearch_str = make_lit_string("I-Search: ");
String rsearch_str = make_lit_string("Reverse-I-Search: ");
b32 first_step = true;
Managed_Scope view_scope = view_get_managed_scope(app, view.view_id);
Managed_Object highlight = alloc_buffer_markers_on_buffer(app, buffer_id, 2, &view_scope);
Marker_Visual visual = create_marker_visual(app, highlight);
marker_visual_set_effect(app, visual,
VisualType_CharacterHighlightRanges,
Stag_Highlight,
Stag_At_Highlight, 0);
marker_visual_set_view_key(app, visual, view.view_id);
marker_visual_set_priority(app, visual, VisualPriority_Default + 1);
isearch__update_highlight(app, &view, highlight, match.start, match.end);
cursor_is_hidden = true;
User_Input in = {};
for (;;){
// NOTE(allen): Change the bar's prompt to match the current direction.
if (reverse){
bar.prompt = rsearch_str;
}
else{
bar.prompt = isearch_str;
}
b32 step_forward = false;
b32 step_backward = false;
b32 backspace = false;
b32 suppress_highligh_update = false;
if (!first_step){
in = get_user_input(app, EventOnAnyKey, EventOnEsc);
if (in.abort) break;
u8 character[4];
u32 length = to_writable_character(in, character);
b32 made_change = false;
if (in.key.keycode == '\n' || in.key.keycode == '\t'){
if (in.key.modifiers[MDFR_CONTROL_INDEX]){
copy(&bar.string, previous_isearch_query);
}
else{
String previous_isearch_query_str = make_fixed_width_string(previous_isearch_query);
append(&previous_isearch_query_str, bar.string);
terminate_with_null(&previous_isearch_query_str);
break;
}
}
else if (length != 0 && key_is_unmodified(&in.key)){
append(&bar.string, make_string(character, length));
made_change = true;
}
else if (in.key.keycode == key_back){
if (key_is_unmodified(&in.key)){
made_change = backspace_utf8(&bar.string);
backspace = true;
}
else if (in.key.modifiers[MDFR_CONTROL_INDEX]){
if (bar.string.size > 0){
made_change = true;
bar.string.size = 0;
backspace = true;
}
}
}
if ((in.command.command == search) || in.key.keycode == key_page_down || in.key.keycode == key_down){
step_forward = true;
}
if (in.command.command == mouse_wheel_scroll){
mouse_wheel_scroll(app);
suppress_highligh_update = true;
}
if ((in.command.command == reverse_search) || in.key.keycode == key_page_up || in.key.keycode == key_up){
step_backward = true;
}
}
else{
if (query_init.size != 0 && on_the_query_init_string){
step_backward = true;
}
first_step = false;
}
start_pos = pos;
if (step_forward && reverse){
start_pos = match.start + 1;
pos = start_pos;
reverse = false;
step_forward = false;
}
if (step_backward && !reverse){
start_pos = match.start - 1;
pos = start_pos;
reverse = true;
step_backward = false;
}
if (!backspace){
if (reverse){
i32 new_pos = 0;
buffer_seek_string_insensitive_backward(app, buffer_id, start_pos - 1, 0, bar.string.str, bar.string.size, &new_pos);
if (new_pos >= 0){
if (step_backward){
pos = new_pos;
start_pos = new_pos;
buffer_seek_string_insensitive_backward(app, buffer_id, start_pos - 1, 0, bar.string.str, bar.string.size, &new_pos);
if (new_pos < 0){
new_pos = start_pos;
}
}
match.start = new_pos;
match.end = match.start + bar.string.size;
}
}
else{
i32 new_pos = 0;
buffer_seek_string_insensitive_forward(app, buffer_id, start_pos + 1, 0, bar.string.str, bar.string.size, &new_pos);
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
if (new_pos < buffer_size){
if (step_forward){
pos = new_pos;
start_pos = new_pos;
buffer_seek_string_insensitive_forward(app, buffer_id, start_pos + 1, 0, bar.string.str, bar.string.size, &new_pos);
if (new_pos >= buffer_size){
new_pos = start_pos;
}
}
match.start = new_pos;
match.end = match.start + bar.string.size;
}
}
}
else{
if (match.end > match.start + bar.string.size){
match.end = match.start + bar.string.size;
}
}
if (!suppress_highligh_update){
isearch__update_highlight(app, &view, highlight, match.start, match.end);
}
}
managed_object_free(app, highlight);
cursor_is_hidden = false;
if (in.abort){
String previous_isearch_query_str = make_fixed_width_string(previous_isearch_query);
append(&previous_isearch_query_str, bar.string);
terminate_with_null(&previous_isearch_query_str);
view_set_cursor(app, &view, seek_pos(first_pos), true);
}
}
CUSTOM_COMMAND_SIG(search)
CUSTOM_DOC("Begins an incremental search down through the current buffer for a user specified string.")
{
String query = {};
isearch(app, false, query, false);
}
CUSTOM_COMMAND_SIG(reverse_search)
CUSTOM_DOC("Begins an incremental search up through the current buffer for a user specified string.")
{
String query = {};
isearch(app, true, query, false);
}
CUSTOM_COMMAND_SIG(search_identifier)
CUSTOM_DOC("Begins an incremental search down through the current buffer for the word or token under the cursor.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
char space[256];
String query = read_identifier_at_pos(app, buffer_id, view.cursor.pos, space, sizeof(space), 0);
isearch(app, false, query, true);
}
CUSTOM_COMMAND_SIG(reverse_search_identifier)
CUSTOM_DOC("Begins an incremental search up through the current buffer for the word or token under the cursor.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
char space[256];
String query = read_identifier_at_pos(app, buffer_id, view.cursor.pos, space, sizeof(space), 0);
isearch(app, true, query, true);
}
CUSTOM_COMMAND_SIG(replace_in_range)
CUSTOM_DOC("Queries the user for two strings, and replaces all occurences of the first string in the range between the cursor and the mark with the second string.")
{
Query_Bar replace;
char replace_space[1024];
replace.prompt = make_lit_string("Replace: ");
replace.string = make_fixed_width_string(replace_space);
Query_Bar with;
char with_space[1024];
with.prompt = make_lit_string("With: ");
with.string = make_fixed_width_string(with_space);
if (!query_user_string(app, &replace)) return;
if (replace.string.size == 0) return;
if (!query_user_string(app, &with)) return;
String r = replace.string;
String w = with.string;
u32 access = AccessOpen;
View_Summary view = get_active_view(app, access);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
Range range = get_view_range(&view);
i32 pos = range.min;
i32 new_pos;
buffer_seek_string_forward(app, buffer_id, pos, 0, r.str, r.size, &new_pos);
global_history_edit_group_begin(app);
for (;new_pos + r.size <= range.end;){
buffer_replace_range(app, buffer_id, new_pos, new_pos + r.size, w);
refresh_view(app, &view);
range = get_view_range(&view);
pos = new_pos + w.size;
buffer_seek_string_forward(app, buffer_id, pos, 0, r.str, r.size, &new_pos);
}
global_history_edit_group_end(app);
}
static void
query_replace_base(Application_Links *app, View_Summary *view, Buffer_ID buffer_id, i32 pos, String r, String w){
i32 new_pos = 0;
buffer_seek_string_forward(app, buffer_id, pos, 0, r.str, r.size, &new_pos);
Managed_Scope view_scope = view_get_managed_scope(app, view->view_id);
Managed_Object highlight = alloc_buffer_markers_on_buffer(app, buffer_id, 2, &view_scope);
Marker_Visual visual = create_marker_visual(app, highlight);
marker_visual_set_effect(app, visual,
VisualType_CharacterHighlightRanges,
Stag_Highlight,
Stag_At_Highlight, 0);
marker_visual_set_view_key(app, visual, view->view_id);
cursor_is_hidden = true;
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
User_Input in = {};
for (;new_pos < buffer_size;){
Range match = make_range(new_pos, new_pos + r.size);
isearch__update_highlight(app, view, highlight, match.min, match.max);
in = get_user_input(app, EventOnAnyKey, EventOnMouseLeftButton|EventOnMouseRightButton);
if (in.abort || in.key.keycode == key_esc || !key_is_unmodified(&in.key)) break;
if (in.key.character == 'y' || in.key.character == 'Y' ||
in.key.character == '\n' || in.key.character == '\t'){
buffer_replace_range(app, buffer_id, match.min, match.max, w);
pos = match.start + w.size;
}
else{
pos = match.max;
}
buffer_seek_string_forward(app, buffer_id, pos, 0, r.str, r.size, &new_pos);
}
managed_object_free(app, highlight);
cursor_is_hidden = false;
if (in.abort){
return;
}
view_set_cursor(app, view, seek_pos(pos), true);
}
static void
query_replace_parameter(Application_Links *app, String replace_str, i32 start_pos, b32 add_replace_query_bar){
Query_Bar replace;
replace.prompt = make_lit_string("Replace: ");
replace.string = replace_str;
if (add_replace_query_bar){
start_query_bar(app, &replace, 0);
}
Query_Bar with;
char with_space[1024];
with.prompt = make_lit_string("With: ");
with.string = make_fixed_width_string(with_space);
if (!query_user_string(app, &with)){
return;
}
String r = replace.string;
String w = with.string;
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
i32 pos = start_pos;
Query_Bar bar;
bar.prompt = make_lit_string("Replace? (y)es, (n)ext, (esc)\n");
bar.string = null_string;
start_query_bar(app, &bar, 0);
query_replace_base(app, &view, buffer_id, pos, r, w);
}
CUSTOM_COMMAND_SIG(query_replace)
CUSTOM_DOC("Queries the user for two strings, and incrementally replaces every occurence of the first string with the second string.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
if (buffer != 0){
Query_Bar replace = {};
char replace_space[1024];
replace.prompt = make_lit_string("Replace: ");
replace.string = make_fixed_width_string(replace_space);
if (query_user_string(app, &replace)){
if (replace.string.size > 0){
query_replace_parameter(app, replace.string, view.cursor.pos, false);
}
}
}
}
CUSTOM_COMMAND_SIG(query_replace_identifier)
CUSTOM_DOC("Queries the user for a string, and incrementally replace every occurence of the word or token found at the cursor with the specified string.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer_id);
if (buffer_id != 0){
Range range = {};
char space[256];
String replace = read_identifier_at_pos(app, buffer_id, view.cursor.pos, space, sizeof(space), &range);
if (replace.size != 0){
query_replace_parameter(app, replace, range.min, true);
}
}
}
CUSTOM_COMMAND_SIG(query_replace_selection)
CUSTOM_DOC("Queries the user for a string, and incrementally replace every occurence of the string found in the selected range with the specified string.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessOpen, &buffer);
if (buffer != 0){
Partition *part = &global_part;
Temp_Memory temp = begin_temp_memory(part);
Range range = get_view_range(&view);
i32 replace_length = range.max - range.min;
if (replace_length != 0){
char *replace_space = push_array(part, char, replace_length);
if (buffer_read_range(app, buffer, range.min, range.max, replace_space)){
String replace = make_string(replace_space, replace_length);
query_replace_parameter(app, replace, range.min, true);
}
}
end_temp_memory(temp);
}
}
////////////////////////////////
static void
save_all_dirty_buffers_with_postfix(Application_Links *app, String postfix){
Arena *scratch = context_get_arena(app);
Buffer_ID buffer = 0;
for (get_buffer_next(app, 0, AccessOpen, &buffer);
buffer != 0;
get_buffer_next(app, buffer, AccessOpen, &buffer)){
Dirty_State dirty = 0;
buffer_get_dirty_state(app, buffer, &dirty);
if (dirty == DirtyState_UnsavedChanges){
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String file_name = buffer_push_file_name(app, buffer, scratch);
if (file_name.size >= postfix.size){
String file_name_post = substr_tail(file_name, file_name.size - postfix.size);
if (match(file_name_post, postfix)){
buffer_save(app, buffer, file_name, 0);
}
}
end_temp_memory(temp);
}
}
}
CUSTOM_COMMAND_SIG(save_all_dirty_buffers)
CUSTOM_DOC("Saves all buffers marked dirty (showing the '*' indicator).")
{
String empty = {};
save_all_dirty_buffers_with_postfix(app, empty);
}
static void
delete_file_base(Application_Links *app, String file_name, Buffer_ID buffer_id){
String path = path_of_directory(file_name);
char space[4096];
String cmd = make_fixed_width_string(space);
#if defined(IS_WINDOWS)
append(&cmd, "del ");
#elif defined(IS_LINUX) || defined(IS_MAC)
append(&cmd, "rm ");
#else
# error no delete file command for this platform
#endif
append(&cmd, '"');
append(&cmd, front_of_directory(file_name));
append(&cmd, '"');
exec_system_command(app, 0, buffer_identifier(0), path.str, path.size, cmd.str, cmd.size, 0);
kill_buffer(app, buffer_identifier(buffer_id), 0, BufferKill_AlwaysKill);
}
CUSTOM_COMMAND_SIG(delete_file_query)
CUSTOM_DOC("Deletes the file of the current buffer if 4coder has the appropriate access rights. Will ask the user for confirmation first.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String file_name = buffer_push_file_name(app, buffer, scratch);
if (file_name.size > 0){
char space[4096];
Query_Bar bar;
bar.prompt = make_fixed_width_string(space);
append(&bar.prompt, "Delete '");
append(&bar.prompt, file_name);
append(&bar.prompt, "' (Y)es, (n)o");
bar.string = null_string;
if (start_query_bar(app, &bar, 0) != 0){
User_Input in = get_user_input(app, EventOnAnyKey, 0);
if (in.key.keycode == 'Y'){
delete_file_base(app, file_name, buffer);
}
}
}
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(save_to_query)
CUSTOM_DOC("Queries the user for a file name and saves the contents of the current buffer, altering the buffer's name too.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String buffer_name = buffer_push_unique_buffer_name(app, buffer, scratch);
// Query the user
Query_Bar bar = {};
char prompt_space[4096];
bar.prompt = make_fixed_width_string(prompt_space);
append(&bar.prompt, "Save '");
append(&bar.prompt, buffer_name);
append(&bar.prompt, "' to: ");
char name_space[4096];
bar.string = make_fixed_width_string(name_space);
if (query_user_string(app, &bar)){
if (bar.string.size != 0){
char new_file_name_space[4096];
String new_file_name = make_fixed_width_string(new_file_name_space);
i32 hot_dir_size = directory_get_hot(app, 0, 0);
if (new_file_name.size + hot_dir_size <= new_file_name.memory_size){
new_file_name.size += directory_get_hot(app, new_file_name.str + new_file_name.size, new_file_name.memory_size - new_file_name.size);
if (append(&new_file_name, bar.string)){
if (buffer_save(app, buffer, new_file_name, BufferSave_IgnoreDirtyFlag)){
Buffer_ID new_buffer = 0;
create_buffer(app, new_file_name, BufferCreate_NeverNew|BufferCreate_JustChangedFile, &new_buffer);
if (new_buffer != 0 && new_buffer != buffer){
kill_buffer(app, buffer_identifier(buffer), 0, BufferKill_AlwaysKill);
view_set_buffer(app, &view, new_buffer, 0);
}
}
}
}
}
}
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(rename_file_query)
CUSTOM_DOC("Queries the user for a new name and renames the file of the current buffer, altering the buffer's name too.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String file_name = buffer_push_file_name(app, buffer, scratch);;
if (file_name.size > 0){
// Query the user
Query_Bar bar = {};
char prompt_space[4096];
bar.prompt = make_fixed_width_string(prompt_space);
append(&bar.prompt, "Rename '");
append(&bar.prompt, front_of_directory(file_name));
append(&bar.prompt, "' to: ");
char name_space[4096];
bar.string = make_fixed_width_string(name_space);
if (query_user_string(app, &bar)){
if (bar.string.size != 0){
// TODO(allen): There should be a way to say, "detach a buffer's file" and "attach this file to a buffer"
char new_file_name_space[4096];
String new_file_name = make_fixed_width_string(new_file_name_space);
copy(&new_file_name, file_name);
remove_last_folder(&new_file_name);
append(&new_file_name, bar.string);
terminate_with_null(&new_file_name);
if (buffer_save(app, buffer, new_file_name, BufferSave_IgnoreDirtyFlag)){
Buffer_ID new_buffer = 0;
create_buffer(app, new_file_name, BufferCreate_NeverNew|BufferCreate_JustChangedFile, &new_buffer);
if (new_buffer != 0 && new_buffer != buffer){
delete_file_base(app, file_name, buffer);
view_set_buffer(app, &view, new_buffer, 0);
}
}
}
}
}
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(make_directory_query)
CUSTOM_DOC("Queries the user for a name and creates a new directory with the given name.")
{
char hot_space[2048];
i32 hot_length = directory_get_hot(app, hot_space, sizeof(hot_space));
if (hot_length < sizeof(hot_space)){
String hot = make_string(hot_space, hot_length);
// Query the user
Query_Bar bar;
char prompt_space[4096];
bar.prompt = make_fixed_width_string(prompt_space);
append(&bar.prompt, "Make directory at '");
append(&bar.prompt, hot);
append(&bar.prompt, "': ");
char name_space[4096];
bar.string = make_fixed_width_string(name_space);
if (!query_user_string(app, &bar)) return;
if (bar.string.size == 0) return;
char cmd_space[4096];
String cmd = make_fixed_width_string(cmd_space);
append(&cmd, "mkdir ");
if (append_checked(&cmd, bar.string)){
exec_system_command(app, 0, buffer_identifier(0), hot.str, hot.size, cmd.str, cmd.size, 0);
}
}
}
////////////////////////////////
CUSTOM_COMMAND_SIG(move_line_up)
CUSTOM_DOC("Swaps the line under the cursor with the line above it, and moves the cursor up with it.")
{
View_Summary view = get_active_view(app, AccessOpen);
if (view.cursor.line > 1){
Buffer_ID buffer = 0;
if (view_get_buffer(app, view.view_id, AccessOpen, &buffer)){
Full_Cursor prev_line_cursor = {};
Full_Cursor this_line_cursor = {};
Full_Cursor next_line_cursor = {};
i32 this_line = view.cursor.line;
i32 prev_line = this_line - 1;
i32 next_line = this_line + 1;
if (view_compute_cursor(app, &view, seek_line_char(prev_line, 1), &prev_line_cursor) &&
view_compute_cursor(app, &view, seek_line_char(this_line, 1), &this_line_cursor) &&
view_compute_cursor(app, &view, seek_line_char(next_line, 1), &next_line_cursor)){
i32 prev_line_pos = prev_line_cursor.pos;
i32 this_line_pos = this_line_cursor.pos;
i32 next_line_pos = next_line_cursor.pos;
Partition *part = &global_part;
Temp_Memory temp = begin_temp_memory(part);
i32 length = next_line_pos - prev_line_pos;
char *swap = push_array(part, char, length + 1);
i32 first_len = next_line_pos - this_line_pos;
if (buffer_read_range(app, buffer, this_line_pos, next_line_pos, swap)){
b32 second_line_didnt_have_newline = true;
for (i32 i = first_len - 1; i >= 0; --i){
if (swap[i] == '\n'){
second_line_didnt_have_newline = false;
break;
}
}
if (second_line_didnt_have_newline){
swap[first_len] = '\n';
first_len += 1;
// NOTE(allen): Don't increase "length" because then we will be including
// the original newline and addignt this new one, making the file longer
// which shouldn't be possible for this command!
}
if (buffer_read_range(app, buffer, prev_line_pos, this_line_pos, swap + first_len)){
buffer_replace_range(app, buffer, prev_line_pos, next_line_pos, make_string(swap, length));
view_set_cursor(app, &view, seek_line_char(prev_line, 1), true);
}
}
end_temp_memory(temp);
}
}
}
}
CUSTOM_COMMAND_SIG(move_line_down)
CUSTOM_DOC("Swaps the line under the cursor with the line below it, and moves the cursor down with it.")
{
View_Summary view = get_active_view(app, AccessOpen);
if (view.exists){
i32 next_line = view.cursor.line + 1;
Full_Cursor new_cursor = {};
if (view_compute_cursor(app, &view, seek_line_char(next_line, 1), &new_cursor)){
if (new_cursor.line == next_line){
view_set_cursor(app, &view, seek_pos(new_cursor.pos), true);
move_line_up(app);
move_down_textual(app);
}
}
}
}
CUSTOM_COMMAND_SIG(duplicate_line)
CUSTOM_DOC("Create a copy of the line on which the cursor sits.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
Partition *part = &global_part;
Temp_Memory temp = begin_temp_memory(part);
String line_string = {};
char *before_line = push_array(part, char, 1);
if (read_line(app, part, buffer_id, view.cursor.line, &line_string)){
*before_line = '\n';
line_string.str = before_line;
line_string.size += 1;
i32 pos = buffer_get_line_end(app, buffer_id, view.cursor.line);
buffer_replace_range(app, buffer_id, pos, pos, line_string);
}
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(delete_line)
CUSTOM_DOC("Delete the line the on which the cursor sits.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
Partition *part = &global_part;
Temp_Memory temp = begin_temp_memory(part);
i32 start = buffer_get_line_start(app, buffer_id, view.cursor.line);
i32 end = buffer_get_line_end(app, buffer_id, view.cursor.line) + 1;
i32 buffer_size = 0;
buffer_get_size(app, buffer_id, &buffer_size);
if (end > buffer_size){
end = buffer_size;
}
if (start == end || buffer_get_char(app, buffer_id, end - 1) != '\n'){
start -= 1;
if (start < 0){
start = 0;
}
}
String zero = {};
buffer_replace_range(app, buffer_id, start, end, zero);
end_temp_memory(temp);
}
////////////////////////////////
static b32
get_cpp_matching_file(Application_Links *app, Buffer_ID buffer, Buffer_ID *buffer_out){
b32 result = false;
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String file_name = {};
buffer_get_file_name(app, buffer, 0, &file_name.memory_size);
file_name.memory_size += 4;
file_name.str = push_array(scratch, char, file_name.memory_size);
buffer_get_file_name(app, buffer, &file_name, 0);
buffer_push_file_name(app, buffer, scratch);
if (file_name.size > 0){
String extension = file_extension(file_name);
String new_extensions[2] = {};
i32 new_extensions_count = 0;
if (match(extension, "cpp") || match(extension, "cc")){
new_extensions[0] = make_lit_string("h");
new_extensions[1] = make_lit_string("hpp");
new_extensions_count = 2;
}
else if (match(extension, "c")){
new_extensions[0] = make_lit_string("h");
new_extensions_count = 1;
}
else if (match(extension, "h")){
new_extensions[0] = make_lit_string("c");
new_extensions[1] = make_lit_string("cpp");
new_extensions_count = 2;
}
else if (match(extension, "hpp")){
new_extensions[0] = make_lit_string("cpp");
new_extensions_count = 1;
}
remove_extension(&file_name);
i32 base_pos = file_name.size;
for (i32 i = 0; i < new_extensions_count; ++i){
String ext = new_extensions[i];
file_name.size = base_pos;
append(&file_name, ext);
if (open_file(app, buffer_out, file_name.str, file_name.size, false, true)){
result = true;
break;
}
}
}
end_temp_memory(temp);
return(result);
}
CUSTOM_COMMAND_SIG(open_file_in_quotes)
CUSTOM_DOC("Reads a filename from surrounding '\"' characters and attempts to open the corresponding file.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer_id = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer_id);
if (!buffer_exists(app, buffer_id)){
return;
}
Arena *arena = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(arena);
i32 pos = view.cursor.pos;
i32 start = 0;
i32 end = 0;
buffer_seek_delimiter_forward(app, buffer_id, pos, '"', &end);
buffer_seek_delimiter_backward(app, buffer_id, pos, '"', &start);
++start;
i32 quoted_name_size = end - start;
char *quoted_name = push_array(arena, char, quoted_name_size);
if (buffer_read_range(app, buffer_id, start, end, quoted_name)){
String file_name = {};
buffer_get_file_name(app, buffer_id, 0, &file_name.memory_size);
file_name.memory_size += quoted_name_size + 1;
file_name.str = push_array(arena, char, file_name.memory_size);
buffer_get_file_name(app, buffer_id, &file_name, 0);
remove_last_folder(&file_name);
append(&file_name, make_string(quoted_name, quoted_name_size));
terminate_with_null(&file_name);
get_next_view_looped_primary_panels(app, &view, AccessAll);
if (view.exists){
if (view_open_file(app, &view, file_name.str, file_name.size, true)){
set_active_view(app, &view);
}
}
}
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(open_matching_file_cpp)
CUSTOM_DOC("If the current file is a *.cpp or *.h, attempts to open the corresponding *.h or *.cpp file in the other view.")
{
View_Summary view = get_active_view(app, AccessAll);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessAll, &buffer);
Buffer_ID new_buffer = 0;
if (get_cpp_matching_file(app, buffer, &new_buffer)){
get_next_view_looped_primary_panels(app, &view, AccessAll);
view_set_buffer(app, &view, new_buffer, 0);
set_active_view(app, &view);
}
}
CUSTOM_COMMAND_SIG(view_buffer_other_panel)
CUSTOM_DOC("Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.")
{
View_Summary view = get_active_view(app, AccessAll);
i32 buffer_id = view.buffer_id;
change_active_panel(app);
view = get_active_view(app, AccessAll);
view_set_buffer(app, &view, buffer_id, 0);
}
CUSTOM_COMMAND_SIG(swap_buffers_between_panels)
CUSTOM_DOC("Set the other non-active panel to view the buffer that the active panel views, and switch to that panel.")
{
View_Summary view1 = get_active_view(app, AccessAll);
change_active_panel(app);
View_Summary view2 = get_active_view(app, AccessAll);
if (view1.view_id != view2.view_id){
i32 buffer_id1 = view1.buffer_id;
i32 buffer_id2 = view2.buffer_id;
if (buffer_id1 != buffer_id2){
view_set_buffer(app, &view1, buffer_id2, 0);
view_set_buffer(app, &view2, buffer_id1, 0);
}
else{
Full_Cursor v1_c = view1.cursor;
Full_Cursor v1_m = view1.mark;
GUI_Scroll_Vars v1_r = view1.scroll_vars;
Full_Cursor v2_c = view2.cursor;
Full_Cursor v2_m = view2.mark;
GUI_Scroll_Vars v2_r = view2.scroll_vars;
view_set_cursor(app, &view1, seek_pos(v2_c.pos), true);
view_set_mark (app, &view1, seek_pos(v2_m.pos));
view_set_scroll(app, &view1, v2_r);
view_set_cursor(app, &view2, seek_pos(v1_c.pos), true);
view_set_mark (app, &view2, seek_pos(v1_m.pos));
view_set_scroll(app, &view2, v1_r);
}
}
}
////////////////////////////////
CUSTOM_COMMAND_SIG(kill_buffer)
CUSTOM_DOC("Kills the current buffer.")
{
View_Summary view = get_active_view(app, AccessProtected);
kill_buffer(app, buffer_identifier(view.buffer_id), view.view_id, 0);
}
CUSTOM_COMMAND_SIG(save)
CUSTOM_DOC("Saves the current buffer.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
Arena *scratch = context_get_arena(app);
Temp_Memory_Arena temp = begin_temp_memory(scratch);
String file_name = buffer_push_file_name(app, buffer, scratch);
buffer_save(app, buffer, file_name, 0);
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(reopen)
CUSTOM_DOC("Reopen the current buffer from the hard drive.")
{
View_Summary view = get_active_view(app, AccessProtected);
Buffer_ID buffer = 0;
view_get_buffer(app, view.view_id, AccessProtected, &buffer);
buffer_reopen(app, buffer, 0, 0);
}
////////////////////////////////
static i32
record_get_new_cursor_position_undo(Application_Links *app, Buffer_ID buffer_id, History_Record_Index index, Record_Info record){
i32 new_edit_position = 0;
switch (record.kind){
default:
case RecordKind_Single:
{
new_edit_position = record.single.first + record.single.string_backward.size;
}break;
case RecordKind_Group:
{
Record_Info sub_record = {};
buffer_history_get_group_sub_record(app, buffer_id, index, 0, &sub_record);
new_edit_position = sub_record.single.first + sub_record.single.string_backward.size;
}break;
}
return(new_edit_position);
}
static i32
record_get_new_cursor_position_undo(Application_Links *app, Buffer_ID buffer_id, History_Record_Index index){
Record_Info record = {};
buffer_history_get_record_info(app, buffer_id, index, &record);
return(record_get_new_cursor_position_undo(app, buffer_id, index, record));
}
static i32
record_get_new_cursor_position_redo(Application_Links *app, Buffer_ID buffer_id, History_Record_Index index, Record_Info record){
i32 new_edit_position = 0;
switch (record.kind){
default:
case RecordKind_Single:
{
new_edit_position = record.single.first + record.single.string_forward.size;
}break;
case RecordKind_Group:
{
Record_Info sub_record = {};
buffer_history_get_group_sub_record(app, buffer_id, index, record.group.count - 1, &sub_record);
new_edit_position = sub_record.single.first + sub_record.single.string_forward.size;
}break;
}
return(new_edit_position);
}
static i32
record_get_new_cursor_position_redo(Application_Links *app, Buffer_ID buffer_id, History_Record_Index index){
Record_Info record = {};
buffer_history_get_record_info(app, buffer_id, index, &record);
return(record_get_new_cursor_position_redo(app, buffer_id, index, record));
}
// TODO(allen): switch to this being the default
CUSTOM_COMMAND_SIG(undo_this_buffer)
CUSTOM_DOC("Advances backwards through the undo history of the current buffer.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = view.buffer_id;
History_Record_Index current = 0;
buffer_history_get_current_state_index(app, buffer_id, &current);
if (current > 0){
i32 new_position = record_get_new_cursor_position_undo(app, buffer_id, current);
buffer_history_set_current_state_index(app, buffer_id, current - 1);
view_set_cursor(app, view.view_id, seek_pos(new_position), true);
}
}
// TODO(allen): switch to this being the default
CUSTOM_COMMAND_SIG(redo_this_buffer)
CUSTOM_DOC("Advances forwards through the undo history of the current buffer.")
{
View_Summary view = get_active_view(app, AccessOpen);
Buffer_ID buffer_id = view.buffer_id;
History_Record_Index current = 0;
History_Record_Index max_index = 0;
buffer_history_get_current_state_index(app, buffer_id, &current);
buffer_history_get_max_record_index(app, buffer_id, &max_index);
if (current < max_index){
i32 new_position = record_get_new_cursor_position_redo(app, buffer_id, current + 1);
buffer_history_set_current_state_index(app, buffer_id, current + 1);
view_set_cursor(app, view.view_id, seek_pos(new_position), true);
}
}
CUSTOM_COMMAND_SIG(undo)
CUSTOM_DOC("Advances backward through the undo history in the buffer containing the most recent regular edit.")
{
Partition *scratch = &global_part;
i32 highest_edit_number = -1;
Buffer_ID first_buffer_match = 0;
Buffer_ID last_buffer_match = 0;
i32 match_count = 0;
Buffer_ID buffer = 0;
for (get_buffer_next(app, 0, AccessAll, &buffer);
buffer != 0;
get_buffer_next(app, buffer, AccessAll, &buffer)){
History_Record_Index index = 0;
buffer_history_get_current_state_index(app, buffer, &index);
if (index > 0){
Record_Info record = {};
buffer_history_get_record_info(app, buffer, index, &record);
if (record.edit_number > highest_edit_number){
highest_edit_number = record.edit_number;
first_buffer_match = buffer;
last_buffer_match = buffer;
match_count = 1;
}
else if (record.edit_number == highest_edit_number){
last_buffer_match = buffer;
match_count += 1;
}
}
}
Temp_Memory temp = begin_temp_memory(scratch);
Buffer_ID *match_buffers = push_array(scratch, Buffer_ID, match_count);
i32 *new_positions = push_array(scratch, i32, match_count);
match_count = 0;
if (highest_edit_number != -1){
for (Buffer_ID buffer = first_buffer_match;
buffer != 0;
get_buffer_next(app, buffer, AccessAll, &buffer)){
b32 did_match = false;
i32 new_edit_position = 0;
for (;;){
History_Record_Index index = 0;
buffer_history_get_current_state_index(app, buffer, &index);
if (index > 0){
Record_Info record = {};
buffer_history_get_record_info(app, buffer, index, &record);
if (record.edit_number == highest_edit_number){
did_match = true;
new_edit_position = record_get_new_cursor_position_undo(app, buffer, index, record);
buffer_history_set_current_state_index(app, buffer, index - 1);
}
else{
break;
}
}
else{
break;
}
}
if (did_match){
match_buffers[match_count] = buffer;
new_positions[match_count] = new_edit_position;
match_count += 1;
}
if (buffer == last_buffer_match){
break;
}
}
}
view_buffer_set(app, match_buffers, new_positions, match_count);
end_temp_memory(temp);
}
CUSTOM_COMMAND_SIG(redo)
CUSTOM_DOC("Advances forward through the undo history in the buffer containing the most recent regular edit.")
{
Partition *scratch = &global_part;
i32 lowest_edit_number = 0x7FFFFFFF;
Buffer_ID first_buffer_match = 0;
Buffer_ID last_buffer_match = 0;
i32 match_count = 0;
Buffer_ID buffer = 0;
for (get_buffer_next(app, 0, AccessAll, &buffer);
buffer != 0;
get_buffer_next(app, buffer, AccessAll, &buffer)){
History_Record_Index max_index = 0;
History_Record_Index index = 0;
buffer_history_get_max_record_index(app, buffer, &max_index);
buffer_history_get_current_state_index(app, buffer, &index);
if (index < max_index){
Record_Info record = {};
buffer_history_get_record_info(app, buffer, index + 1, &record);
if (record.edit_number < lowest_edit_number){
lowest_edit_number = record.edit_number;
first_buffer_match = buffer;
last_buffer_match = buffer;
match_count = 1;
}
else if (record.edit_number == lowest_edit_number){
last_buffer_match = buffer;
match_count += 1;
}
}
}
Temp_Memory temp = begin_temp_memory(scratch);
Buffer_ID *match_buffers = push_array(scratch, Buffer_ID, match_count);
i32 *new_positions = push_array(scratch, i32, match_count);
match_count = 0;
if (lowest_edit_number != -1){
for (Buffer_ID buffer = first_buffer_match;
buffer != 0;
get_buffer_next(app, buffer, AccessAll, &buffer)){
b32 did_match = false;
i32 new_edit_position = 0;
History_Record_Index max_index = 0;
buffer_history_get_max_record_index(app, buffer, &max_index);
for (;;){
History_Record_Index index = 0;
buffer_history_get_current_state_index(app, buffer, &index);
if (index < max_index){
Record_Info record = {};
buffer_history_get_record_info(app, buffer, index + 1, &record);
if (record.edit_number == lowest_edit_number){
did_match = true;
new_edit_position = record_get_new_cursor_position_redo(app, buffer, index + 1, record);
buffer_history_set_current_state_index(app, buffer, index + 1);
}
else{
break;
}
}
else{
break;
}
}
if (did_match){
match_buffers[match_count] = buffer;
new_positions[match_count] = new_edit_position;
match_count += 1;
}
if (buffer == last_buffer_match){
break;
}
}
}
view_buffer_set(app, match_buffers, new_positions, match_count);
end_temp_memory(temp);
}
////////////////////////////////
#if 0
CUSTOM_COMMAND_SIG(reload_themes)
CUSTOM_DOC("Loads all the theme files in the theme folder, replacing duplicates with the new theme data.")
{
String fcoder_extension = make_lit_string(".4coder");
save_all_dirty_buffers_with_postfix(app, fcoder_extension);
Partition *scratch = &global_part;
Temp_Memory temp = begin_temp_memory(scratch);
load_folder_of_themes_into_live_set(app, scratch, "themes");
String name = get_theme_name(app, scratch, 0);
i32 theme_count = get_theme_count(app);
for (i32 i = 1; i < theme_count; i += 1){
Temp_Memory sub_temp = begin_temp_memory(scratch);
String style_name = get_theme_name(app, scratch, i);
if (match(name, style_name)){
change_theme_by_index(app, i);
break;
}
end_temp_memory(sub_temp);
}
end_temp_memory(temp);
}
#endif
CUSTOM_COMMAND_SIG(open_in_other)
CUSTOM_DOC("Interactively opens a file in the other panel.")
{
change_active_panel(app);
interactive_open_or_new(app);
}
// BOTTOM
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