4coder/4coder_default_include.cpp

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2016-06-28 22:58:50 +00:00
#ifndef FCODER_DEFAULT_INCLUDE
#define FCODER_DEFAULT_INCLUDE
#include "4coder_custom.h"
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#define FSTRING_IMPLEMENTATION
#include "4coder_string.h"
#include "4coder_helper.h"
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#include <assert.h>
#ifndef DEFAULT_INDENT_FLAGS
# define DEFAULT_INDENT_FLAGS 0
#endif
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#ifndef DEF_TAB_WIDTH
# define DEF_TAB_WIDTH 4
#endif
//
// Memory
//
static Partition global_part;
static General_Memory global_general;
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void
init_memory(Application_Links *app){
int part_size = (1 << 20);
int general_size = (1 << 20);
void *part_mem = app->memory_allocate(app, part_size);
global_part = make_part(part_mem, part_size);
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void *general_mem = app->memory_allocate(app, general_size);
general_memory_open(&global_general, general_mem, general_size);
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}
//
// Buffer Streaming
//
struct Stream_Chunk{
Application_Links *app;
Buffer_Summary *buffer;
char *base_data;
int start, end;
int min_start, max_end;
int data_size;
char *data;
};
int
round_down(int x, int b){
int r = 0;
if (x >= 0){
r = x - (x % b);
}
return(r);
}
int
round_up(int x, int b){
int r = 0;
if (x >= 0){
r = x - (x % b) + b;
}
return(r);
}
void
refresh_buffer(Application_Links *app, Buffer_Summary *buffer){
*buffer = app->get_buffer(app, buffer->buffer_id, AccessAll);
}
void
refresh_view(Application_Links *app, View_Summary *view){
*view = app->get_view(app, view->view_id, AccessAll);
}
int
init_stream_chunk(Stream_Chunk *chunk,
Application_Links *app, Buffer_Summary *buffer,
int pos, char *data, int size){
int result = false;
refresh_buffer(app, buffer);
if (pos >= 0 && pos < buffer->size && size > 0){
chunk->app = app;
chunk->buffer = buffer;
chunk->base_data = data;
chunk->data_size = size;
chunk->start = round_down(pos, size);
chunk->end = round_up(pos, size);
if (chunk->max_end > buffer->size
|| chunk->max_end == 0){
chunk->max_end = buffer->size;
}
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = true;
}
}
return(result);
}
int
forward_stream_chunk(Stream_Chunk *chunk){
Application_Links *app = chunk->app;
Buffer_Summary *buffer = chunk->buffer;
int result = false;
refresh_buffer(app, buffer);
if (chunk->end < buffer->size){
chunk->start = chunk->end;
chunk->end += chunk->data_size;
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = true;
}
}
return(result);
}
int
backward_stream_chunk(Stream_Chunk *chunk){
Application_Links *app = chunk->app;
Buffer_Summary *buffer = chunk->buffer;
int result = false;
refresh_buffer(app, buffer);
if (chunk->start > 0){
chunk->end = chunk->start;
chunk->start -= chunk->data_size;
if (chunk->max_end && chunk->max_end < chunk->end){
chunk->end = chunk->max_end;
}
if (chunk->min_start && chunk->min_start > chunk->start){
chunk->start = chunk->min_start;
}
if (chunk->start < chunk->end){
app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data);
chunk->data = chunk->base_data - chunk->start;
result = true;
}
}
return(result);
}
void
buffer_seek_delimiter_forward(Application_Links *app, Buffer_Summary *buffer,
int pos, char delim, int *result){
if (buffer->exists){
char chunk[1024];
int size = sizeof(chunk);
Stream_Chunk stream = {0};
if (init_stream_chunk(&stream, app, buffer, pos, chunk, size)){
int still_looping = 1;
do{
for(; pos < stream.end; ++pos){
char at_pos = stream.data[pos];
if (at_pos == delim){
*result = pos;
goto finished;
}
}
still_looping = forward_stream_chunk(&stream);
}while (still_looping);
}
}
*result = buffer->size;
finished:;
}
void
buffer_seek_delimiter_backward(Application_Links *app, Buffer_Summary *buffer,
int pos, char delim, int *result){
if (buffer->exists){
char chunk[1024];
int size = sizeof(chunk);
Stream_Chunk stream = {0};
if (init_stream_chunk(&stream, app, buffer, pos, chunk, size)){
int still_looping = 1;
do{
for(; pos >= stream.start; --pos){
char at_pos = stream.data[pos];
if (at_pos == delim){
*result = pos;
goto finished;
}
}
still_looping = backward_stream_chunk(&stream);
}while (still_looping);
}
}
*result = 0;
finished:;
}
// TODO(allen): This duplication is driving me crazy... I've gotta
// upgrade the meta programming system another level.
// NOTE(allen): This is limitted to a string size of 512.
// You can push it up or do something more clever by just
// replacing char read_buffer[512]; with more memory.
void
buffer_seek_string_forward(Application_Links *app, Buffer_Summary *buffer,
int pos, int end, char *str, int size, int *result){
char read_buffer[512];
if (size <= 0){
*result = pos;
}
else if (size > sizeof(read_buffer)){
*result = pos;
}
else{
if (buffer->exists){
String read_str = make_fixed_width_string(read_buffer);
String needle_str = make_string(str, size);
char first_char = str[0];
read_str.size = size;
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
stream.max_end = end;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
int still_looping = 1;
do{
for(; pos < stream.end; ++pos){
char at_pos = stream.data[pos];
if (at_pos == first_char){
app->buffer_read_range(app, buffer, pos, pos+size, read_buffer);
if (match(needle_str, read_str)){
*result = pos;
goto finished;
}
}
}
still_looping = forward_stream_chunk(&stream);
}while (still_looping);
}
}
if (end == 0){
*result = buffer->size;
}
else{
*result = end;
}
finished:;
}
}
// NOTE(allen): This is limitted to a string size of 512.
// You can push it up or do something more clever by just
// replacing char read_buffer[512]; with more memory.
void
buffer_seek_string_backward(Application_Links *app, Buffer_Summary *buffer,
int pos, int min, char *str, int size, int *result){
char read_buffer[512];
if (size <= 0){
*result = min-1;
}
else if (size > sizeof(read_buffer)){
*result = min-1;
}
else{
if (buffer->exists){
String read_str = make_fixed_width_string(read_buffer);
String needle_str = make_string(str, size);
char first_char = str[0];
read_str.size = size;
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
stream.min_start = min;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
int still_looping = 1;
do{
for(; pos >= stream.start; --pos){
char at_pos = stream.data[pos];
if (at_pos == first_char){
app->buffer_read_range(app, buffer, pos, pos+size, read_buffer);
if (match(needle_str, read_str)){
*result = pos;
goto finished;
}
}
}
still_looping = backward_stream_chunk(&stream);
}while (still_looping);
}
}
*result = min-1;
finished:;
}
}
// NOTE(allen): This is limitted to a string size of 512.
// You can push it up or do something more clever by just
// replacing char read_buffer[512]; with more memory.
void
buffer_seek_string_insensitive_forward(Application_Links *app, Buffer_Summary *buffer,
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int pos, int end, char *str, int size, int *result){
char read_buffer[512];
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
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stream.max_end = end;
if (size <= 0){
*result = buffer->size;
}
else if (size > sizeof(read_buffer)){
*result = buffer->size;
}
else{
if (buffer->exists){
String read_str = make_fixed_width_string(read_buffer);
String needle_str = make_string(str, size);
char first_char = char_to_upper(str[0]);
read_str.size = size;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
int still_looping = 1;
do{
for(; pos < stream.end; ++pos){
char at_pos = char_to_upper(stream.data[pos]);
if (at_pos == first_char){
app->buffer_read_range(app, buffer, pos, pos+size, read_buffer);
if (match_insensitive(needle_str, read_str)){
*result = pos;
goto finished;
}
}
}
still_looping = forward_stream_chunk(&stream);
}while (still_looping);
}
}
*result = buffer->size;
finished:;
}
}
// NOTE(allen): This is limitted to a string size of 512.
// You can push it up or do something more clever by just
// replacing char read_buffer[512]; with more memory.
void
buffer_seek_string_insensitive_backward(Application_Links *app, Buffer_Summary *buffer,
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int pos, int min, char *str, int size, int *result){
char read_buffer[512];
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
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stream.min_start = min;
if (size <= 0){
*result = -1;
}
else if (size > sizeof(read_buffer)){
*result = -1;
}
else{
if (buffer->exists){
String read_str = make_fixed_width_string(read_buffer);
String needle_str = make_string(str, size);
char first_char = char_to_upper(str[0]);
read_str.size = size;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
int still_looping = 1;
do{
for(; pos >= stream.start; --pos){
char at_pos = char_to_upper(stream.data[pos]);
if (at_pos == first_char){
app->buffer_read_range(app, buffer, pos, pos+size, read_buffer);
if (match_insensitive(needle_str, read_str)){
*result = pos;
goto finished;
}
}
}
still_looping = backward_stream_chunk(&stream);
}while (still_looping);
}
}
*result = -1;
finished:;
}
}
//
// Fundamental Editing
//
inline float
get_view_y(View_Summary view){
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float y = view.cursor.wrapped_y;
if (view.unwrapped_lines){
y = view.cursor.unwrapped_y;
}
return(y);
}
inline float
get_view_x(View_Summary view){
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float x = view.cursor.wrapped_x;
if (view.unwrapped_lines){
x = view.cursor.unwrapped_x;
}
return(x);
}
CUSTOM_COMMAND_SIG(write_character){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
User_Input in = app->get_command_input(app);
char character = 0;
if (in.type == UserInputKey){
character = in.key.character;
}
if (character != 0){
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Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int pos = view.cursor.pos;
int next_pos = pos + 1;
app->buffer_replace_range(app, &buffer,
pos, pos, &character, 1);
app->view_set_cursor(app, &view, seek_pos(next_pos), true);
}
}
CUSTOM_COMMAND_SIG(delete_char){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int pos = view.cursor.pos;
if (0 < buffer.size && pos < buffer.size){
app->buffer_replace_range(app, &buffer,
pos, pos+1, 0, 0);
}
}
CUSTOM_COMMAND_SIG(backspace_char){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int pos = view.cursor.pos;
if (0 < pos && pos <= buffer.size){
app->buffer_replace_range(app, &buffer,
pos-1, pos, 0, 0);
app->view_set_cursor(app, &view, seek_pos(pos-1), true);
}
}
CUSTOM_COMMAND_SIG(set_mark){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
app->view_set_mark(app, &view, seek_pos(view.cursor.pos));
// TODO(allen): Just expose the preferred_x seperately
app->view_set_cursor(app, &view, seek_pos(view.cursor.pos), true);
}
CUSTOM_COMMAND_SIG(cursor_mark_swap){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
int cursor = view.cursor.pos;
int mark = view.mark.pos;
app->view_set_cursor(app, &view, seek_pos(mark), true);
app->view_set_mark(app, &view, seek_pos(cursor));
}
CUSTOM_COMMAND_SIG(delete_range){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
Range range = get_range(&view);
app->buffer_replace_range(app, &buffer,
range.min, range.max,
0, 0);
}
//
// Basic Navigation
//
CUSTOM_COMMAND_SIG(center_view){
View_Summary view = app->get_active_view(app, AccessProtected);
i32_Rect region = view.file_region;
GUI_Scroll_Vars scroll = view.scroll_vars;
float h = (float)(region.y1 - region.y0);
float y = get_view_y(view);
y = y - h*.5f;
scroll.target_y = (int32_t)(y + .5f);
app->view_set_scroll(app, &view, scroll);
}
CUSTOM_COMMAND_SIG(left_adjust_view){
View_Summary view = app->get_active_view(app, AccessProtected);
GUI_Scroll_Vars scroll = view.scroll_vars;
float x = get_view_x(view);
x = x - 30.f;
scroll.target_x = (int32_t)(x + .5f);
app->view_set_scroll(app, &view, scroll);
}
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int
get_relative_xy(View_Summary *view, int x, int y, float *x_out, float *y_out){
int result = false;
i32_Rect region = view->file_region;
int max_x = (region.x1 - region.x0);
int max_y = (region.y1 - region.y0);
GUI_Scroll_Vars scroll_vars = view->scroll_vars;
int rx = x - region.x0;
int ry = y - region.y0;
if (ry >= 0){
if (rx >= 0 && rx < max_x && ry >= 0 && ry < max_y){
result = 1;
}
}
*x_out = (float)rx + scroll_vars.scroll_x;
*y_out = (float)ry + scroll_vars.scroll_y;
return(result);
}
CUSTOM_COMMAND_SIG(click_set_cursor){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Mouse_State mouse = app->get_mouse_state(app);
float rx = 0, ry = 0;
if (get_relative_xy(&view, mouse.x, mouse.y, &rx, &ry)){
app->view_set_cursor(app, &view,
seek_xy(rx, ry, true,
view.unwrapped_lines),
true);
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}
}
CUSTOM_COMMAND_SIG(click_set_mark){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Mouse_State mouse = app->get_mouse_state(app);
float rx = 0, ry = 0;
if (get_relative_xy(&view, mouse.x, mouse.y, &rx, &ry)){
app->view_set_mark(app, &view,
seek_xy(rx, ry, true,
view.unwrapped_lines)
);
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}
}
inline void
move_vertical(Application_Links *app, float line_multiplier){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
float new_y = get_view_y(view) + line_multiplier*view.line_height;
float x = view.preferred_x;
app->view_set_cursor(app, &view,
seek_xy(x, new_y, false, view.unwrapped_lines),
false);
}
CUSTOM_COMMAND_SIG(move_up){
move_vertical(app, -1.f);
}
CUSTOM_COMMAND_SIG(move_down){
move_vertical(app, 1.f);
}
CUSTOM_COMMAND_SIG(move_up_10){
move_vertical(app, -10.f);
}
CUSTOM_COMMAND_SIG(move_down_10){
move_vertical(app, 10.f);
}
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static float
get_page_jump(View_Summary *view){
i32_Rect region = view->file_region;
float page_jump = 1;
if (view->line_height > 0){
page_jump = (float)(region.y1 - region.y0) / view->line_height;
page_jump -= 3.f;
if (page_jump <= 0){
page_jump = 1.f;
}
}
return(page_jump);
}
CUSTOM_COMMAND_SIG(page_up){
unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
float page_jump = get_page_jump(&view);
move_vertical(app, -page_jump);
}
CUSTOM_COMMAND_SIG(page_down){
unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
float page_jump = get_page_jump(&view);
move_vertical(app, page_jump);
}
CUSTOM_COMMAND_SIG(move_left){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
int new_pos = view.cursor.pos - 1;
app->view_set_cursor(app, &view,
seek_pos(new_pos),
true);
}
CUSTOM_COMMAND_SIG(move_right){
2016-06-20 20:34:48 +00:00
unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
int new_pos = view.cursor.pos + 1;
app->view_set_cursor(app, &view,
seek_pos(new_pos),
true);
}
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//
// Auto Indenting and Whitespace
//
static int
seek_line_end(Application_Links *app, Buffer_Summary *buffer, int pos){
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
int still_looping;
char at_pos;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
still_looping = 1;
do{
for (; pos < stream.end; ++pos){
at_pos = stream.data[pos];
if (at_pos == '\n'){
goto double_break;
}
}
still_looping = forward_stream_chunk(&stream);
}while(still_looping);
double_break:;
if (pos > buffer->size){
pos = buffer->size;
}
}
return(pos);
}
static int
seek_line_beginning(Application_Links *app, Buffer_Summary *buffer, int pos){
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
int still_looping;
char at_pos;
--pos;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
still_looping = 1;
do{
for (; pos >= stream.start; --pos){
at_pos = stream.data[pos];
if (at_pos == '\n'){
goto double_break;
}
}
still_looping = backward_stream_chunk(&stream);
}while(still_looping);
double_break:;
if (pos != 0){
++pos;
}
if (pos < 0){
pos = 0;
}
}
return(pos);
}
static void
move_past_lead_whitespace(Application_Links *app, View_Summary *view, Buffer_Summary *buffer){
refresh_view(app, view);
int new_pos = seek_line_beginning(app, buffer, view->cursor.pos);
char space[1024];
Stream_Chunk chunk = {0};
int still_looping = false;
int i = new_pos;
if (init_stream_chunk(&chunk, app, buffer, i, space, sizeof(space))){
do{
for (; i < chunk.end; ++i){
char at_pos = chunk.data[i];
if (at_pos == '\n' || !char_is_whitespace(at_pos)){
goto break2;
}
}
still_looping = forward_stream_chunk(&chunk);
}while(still_looping);
break2:;
if (i > view->cursor.pos){
app->view_set_cursor(app, view, seek_pos(i), true);
}
}
}
CUSTOM_COMMAND_SIG(auto_tab_line_at_cursor){
unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
app->buffer_auto_indent(app, &buffer,
view.cursor.pos, view.cursor.pos,
DEF_TAB_WIDTH,
DEFAULT_INDENT_FLAGS);
move_past_lead_whitespace(app, &view, &buffer);
}
CUSTOM_COMMAND_SIG(auto_tab_whole_file){
unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
app->buffer_auto_indent(app, &buffer,
0, buffer.size,
DEF_TAB_WIDTH,
DEFAULT_INDENT_FLAGS);
}
CUSTOM_COMMAND_SIG(auto_tab_range){
unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
Range range = get_range(&view);
app->buffer_auto_indent(app, &buffer,
range.min, range.max,
DEF_TAB_WIDTH,
DEFAULT_INDENT_FLAGS);
move_past_lead_whitespace(app, &view, &buffer);
}
CUSTOM_COMMAND_SIG(write_and_auto_tab){
exec_command(app, write_character);
exec_command(app, auto_tab_line_at_cursor);
}
CUSTOM_COMMAND_SIG(clean_all_lines){
// TODO(allen): This command always iterates accross the entire
// buffer, so streaming it is actually the wrong call. Rewrite this
// to minimize calls to app->buffer_read_range.
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
int line_count = buffer.line_count;
int edit_max = line_count;
if (edit_max*sizeof(Buffer_Edit) < app->memory_size){
Buffer_Edit *edits = (Buffer_Edit*)app->memory;
char data[1024];
Stream_Chunk chunk = {0};
int i = 0;
if (init_stream_chunk(&chunk, app, &buffer,
i, data, sizeof(data))){
Buffer_Edit *edit = edits;
int buffer_size = buffer.size;
int still_looping = true;
int 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;
}
int edit_count = (int)(edit - edits);
app->buffer_batch_edit(app, &buffer, 0, 0, edits, edit_count, BatchEdit_PreserveTokens);
}
}
}
2016-06-14 14:20:15 +00:00
//
// Clipboard
//
static int
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clipboard_copy(Application_Links *app, int start, int end, Buffer_Summary *buffer_out,
unsigned int access){
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
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int result = false;
2016-06-21 14:00:07 +00:00
if (buffer.exists){
if (0 <= start && start <= end && end <= buffer.size){
int size = (end - start);
char *str = (char*)app->memory;
if (size <= app->memory_size){
app->buffer_read_range(app, &buffer, start, end, str);
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app->clipboard_post(app, 0, str, size);
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if (buffer_out){*buffer_out = buffer;}
result = true;
}
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}
}
return(result);
}
static int
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clipboard_cut(Application_Links *app, int start, int end, Buffer_Summary *buffer_out,
unsigned int access){
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Buffer_Summary buffer = {0};
int result = false;
2016-06-21 17:43:25 +00:00
if (clipboard_copy(app, start, end, &buffer, access)){
app->buffer_replace_range(app, &buffer, start, end, 0, 0);
if (buffer_out){*buffer_out = buffer;}
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}
return(result);
}
CUSTOM_COMMAND_SIG(copy){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
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Range range = get_range(&view);
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clipboard_copy(app, range.min, range.max, 0, access);
2016-06-14 14:20:15 +00:00
}
CUSTOM_COMMAND_SIG(cut){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
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Range range = get_range(&view);
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clipboard_cut(app, range.min, range.max, 0, access);
2016-06-14 14:20:15 +00:00
}
enum Rewrite_Type{
RewriteNone,
RewritePaste,
RewriteWordComplete
};
2016-06-14 19:00:03 +00:00
struct View_Paste_Index{
int rewrite;
int next_rewrite;
2016-06-14 19:00:03 +00:00
int index;
};
View_Paste_Index view_paste_index_[16];
View_Paste_Index *view_paste_index = view_paste_index_ - 1;
CUSTOM_COMMAND_SIG(paste){
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unsigned int access = AccessOpen;
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int count = app->clipboard_count(app, 0);
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if (count > 0){
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View_Summary view = app->get_active_view(app, access);
2016-06-14 19:00:03 +00:00
view_paste_index[view.view_id].next_rewrite = RewritePaste;
2016-06-14 19:00:03 +00:00
int paste_index = 0;
view_paste_index[view.view_id].index = paste_index;
2016-07-02 14:15:15 +00:00
int len = app->clipboard_index(app, 0, paste_index, 0, 0);
2016-06-14 19:00:03 +00:00
char *str = 0;
if (len <= app->memory_size){
str = (char*)app->memory;
}
if (str){
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app->clipboard_index(app, 0, paste_index, str, len);
2016-06-14 19:00:03 +00:00
2016-06-20 20:34:48 +00:00
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
2016-06-14 19:00:03 +00:00
int pos = view.cursor.pos;
app->buffer_replace_range(app, &buffer, pos, pos, str, len);
app->view_set_mark(app, &view, seek_pos(pos));
app->view_set_cursor(app, &view, seek_pos(pos + len), true);
// TODO(allen): Send this to all views.
Theme_Color paste;
paste.tag = Stag_Paste;
app->get_theme_colors(app, &paste, 1);
2016-06-24 04:02:09 +00:00
app->view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color);
2016-06-14 19:00:03 +00:00
}
}
}
CUSTOM_COMMAND_SIG(paste_next){
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unsigned int access = AccessOpen;
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int count = app->clipboard_count(app, 0);
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if (count > 0){
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View_Summary view = app->get_active_view(app, access);
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if (view_paste_index[view.view_id].rewrite == RewritePaste){
view_paste_index[view.view_id].next_rewrite = RewritePaste;
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int paste_index = view_paste_index[view.view_id].index + 1;
view_paste_index[view.view_id].index = paste_index;
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int len = app->clipboard_index(app, 0, paste_index, 0, 0);
2016-06-14 19:00:03 +00:00
char *str = 0;
if (len <= app->memory_size){
str = (char*)app->memory;
}
if (str){
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app->clipboard_index(app, 0, paste_index, str, len);
2016-06-14 19:00:03 +00:00
2016-06-20 20:34:48 +00:00
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
2016-06-14 19:00:03 +00:00
Range range = get_range(&view);
int pos = range.min;
app->buffer_replace_range(app, &buffer, range.min, range.max, str, len);
app->view_set_cursor(app, &view, seek_pos(pos + len), true);
// TODO(allen): Send this to all views.
Theme_Color paste;
paste.tag = Stag_Paste;
app->get_theme_colors(app, &paste, 1);
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app->view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color);
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}
}
else{
exec_command(app, paste);
}
}
}
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2016-07-17 02:24:13 +00:00
CUSTOM_COMMAND_SIG(paste_and_indent){
exec_command(app, paste);
exec_command(app, auto_tab_range);
}
CUSTOM_COMMAND_SIG(paste_next_and_indent){
exec_command(app, paste_next);
exec_command(app, auto_tab_range);
}
2016-07-05 13:11:26 +00:00
//
// Fancy Editing
//
CUSTOM_COMMAND_SIG(to_uppercase){
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
Range range = get_range(&view);
int size = range.max - range.min;
if (size <= app->memory_size){
char *mem = (char*)app->memory;
app->buffer_read_range(app, &buffer, range.min, range.max, mem);
for (int i = 0; i < size; ++i){
mem[i] = char_to_upper(mem[i]);
}
app->buffer_replace_range(app, &buffer, range.min, range.max, mem, size);
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app->view_set_cursor(app, &view, seek_pos(range.max), true);
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}
}
CUSTOM_COMMAND_SIG(to_lowercase){
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
Range range = get_range(&view);
int size = range.max - range.min;
if (size <= app->memory_size){
char *mem = (char*)app->memory;
app->buffer_read_range(app, &buffer, range.min, range.max, mem);
for (int i = 0; i < size; ++i){
mem[i] = char_to_lower(mem[i]);
}
app->buffer_replace_range(app, &buffer, range.min, range.max, mem, size);
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app->view_set_cursor(app, &view, seek_pos(range.max), true);
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}
}
//
// Various Forms of Seek
//
static int
buffer_seek_whitespace_up(Application_Links *app, Buffer_Summary *buffer, int pos){
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
int no_hard;
int still_looping;
char at_pos;
--pos;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
// Step 1: Find the first non-whitespace character
// behind the current position.
still_looping = true;
do{
for (; pos >= stream.start; --pos){
at_pos = stream.data[pos];
if (!char_is_whitespace(at_pos)){
goto double_break_1;
}
}
still_looping = backward_stream_chunk(&stream);
} while(still_looping);
double_break_1:;
// Step 2: Continue scanning backward, at each '\n'
// mark the beginning of another line by setting
// no_hard to true, set it back to false if a
// non-whitespace character is discovered before
// the next '\n'
no_hard = false;
while (still_looping){
for (; pos >= stream.start; --pos){
at_pos = stream.data[pos];
if (at_pos == '\n'){
if (no_hard){
goto double_break_2;
}
else{
no_hard = true;
}
}
else if (!char_is_whitespace(at_pos)){
no_hard = false;
}
}
still_looping = backward_stream_chunk(&stream);
}
double_break_2:;
if (pos != 0){
++pos;
}
}
return(pos);
}
static int
buffer_seek_whitespace_down(Application_Links *app, Buffer_Summary *buffer, int pos){
char chunk[1024];
int chunk_size = sizeof(chunk);
Stream_Chunk stream = {0};
int no_hard;
int prev_endline;
int still_looping;
char at_pos;
if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){
// Step 1: Find the first non-whitespace character
// ahead of the current position.
still_looping = true;
do{
for (; pos < stream.end; ++pos){
at_pos = stream.data[pos];
if (!char_is_whitespace(at_pos)){
goto double_break_1;
}
}
still_looping = forward_stream_chunk(&stream);
} while(still_looping);
double_break_1:;
// Step 2: Continue scanning forward, at each '\n'
// mark it as the beginning of a new line by updating
// the prev_endline value. If another '\n' is found
// with non-whitespace then the previous line was
// all whitespace.
no_hard = false;
prev_endline = -1;
while(still_looping){
for (; pos < stream.end; ++pos){
at_pos = stream.data[pos];
if (at_pos == '\n'){
if (no_hard){
goto double_break_2;
}
else{
no_hard = true;
prev_endline = pos;
}
}
else if (!char_is_whitespace(at_pos)){
no_hard = false;
}
}
still_looping = forward_stream_chunk(&stream);
}
double_break_2:;
if (prev_endline == -1 || prev_endline+1 >= buffer->size){
pos = buffer->size;
}
else{
pos = prev_endline+1;
}
}
return(pos);
}
CUSTOM_COMMAND_SIG(seek_whitespace_up){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int new_pos = buffer_seek_whitespace_up(app, &buffer, view.cursor.pos);
app->view_set_cursor(app, &view,
seek_pos(new_pos),
true);
}
CUSTOM_COMMAND_SIG(seek_whitespace_down){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int new_pos = buffer_seek_whitespace_down(app, &buffer, view.cursor.pos);
app->view_set_cursor(app, &view,
seek_pos(new_pos),
true);
}
CUSTOM_COMMAND_SIG(seek_end_of_line){
2016-06-20 20:34:48 +00:00
unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int new_pos = seek_line_end(app, &buffer, view.cursor.pos);
app->view_set_cursor(app, &view, seek_pos(new_pos), true);
}
CUSTOM_COMMAND_SIG(seek_beginning_of_line){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int new_pos = seek_line_beginning(app, &buffer, view.cursor.pos);
app->view_set_cursor(app, &view, seek_pos(new_pos), true);
}
static void
basic_seek(Application_Links *app, int seek_type, unsigned int flags){
2016-06-20 20:34:48 +00:00
unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int pos = app->buffer_boundary_seek(app, &buffer, view.cursor.pos, seek_type, flags);
app->view_set_cursor(app, &view, seek_pos(pos), true);
}
#define SEEK_COMMAND(n, dir, flags)\
CUSTOM_COMMAND_SIG(seek_##n##_##dir){ basic_seek(app, dir, flags); }
#define right true
#define left false
SEEK_COMMAND(whitespace, right, BoundaryWhitespace)
SEEK_COMMAND(whitespace, left, BoundaryWhitespace)
SEEK_COMMAND(token, right, BoundaryToken)
SEEK_COMMAND(token, left, BoundaryToken)
SEEK_COMMAND(white_or_token, right, BoundaryToken | BoundaryWhitespace)
SEEK_COMMAND(white_or_token, left, BoundaryToken | BoundaryWhitespace)
SEEK_COMMAND(alphanumeric, right, BoundaryAlphanumeric)
SEEK_COMMAND(alphanumeric, left, BoundaryAlphanumeric)
SEEK_COMMAND(alphanumeric_or_camel, right, BoundaryAlphanumeric | BoundaryCamelCase)
SEEK_COMMAND(alphanumeric_or_camel, left, BoundaryAlphanumeric | BoundaryCamelCase)
#undef right
#undef left
//
// Special string writing commands
//
static void
write_string(Application_Links *app, String string){
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unsigned int access = AccessOpen;
2016-07-02 17:54:56 +00:00
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
app->buffer_replace_range(app, &buffer,
2016-07-02 17:54:56 +00:00
view.cursor.pos, view.cursor.pos,
string.str, string.size);
2016-07-07 01:41:37 +00:00
app->view_set_cursor(app, &view, seek_pos(view.cursor.pos + string.size), true);
}
CUSTOM_COMMAND_SIG(write_increment){
write_string(app, make_lit_string("++"));
}
static void
long_braces(Application_Links *app, char *text, int size){
2016-06-20 20:34:48 +00:00
unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
int pos = view.cursor.pos;
app->buffer_replace_range(app, &buffer, pos, pos, text, size);
app->view_set_cursor(app, &view, seek_pos(pos + 2), true);
app->buffer_auto_indent(app, &buffer,
pos, pos + size,
DEF_TAB_WIDTH,
DEFAULT_INDENT_FLAGS);
2016-06-24 03:11:24 +00:00
move_past_lead_whitespace(app, &view, &buffer);
}
CUSTOM_COMMAND_SIG(open_long_braces){
char text[] = "{\n\n}";
int size = sizeof(text) - 1;
long_braces(app, text, size);
}
CUSTOM_COMMAND_SIG(open_long_braces_semicolon){
char text[] = "{\n\n};";
int size = sizeof(text) - 1;
long_braces(app, text, size);
}
CUSTOM_COMMAND_SIG(open_long_braces_break){
char text[] = "{\n\n}break;";
int size = sizeof(text) - 1;
long_braces(app, text, size);
}
// TODO(allen): Have this thing check if it is on
// a blank line and insert newlines as needed.
CUSTOM_COMMAND_SIG(if0_off){
char text1[] = "\n#if 0";
int size1 = sizeof(text1) - 1;
2016-06-21 14:00:07 +00:00
char text2[] = "#endif\n";
int size2 = sizeof(text2) - 1;
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View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
2016-06-10 15:19:29 +00:00
Range range = get_range(&view);
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if (range.min < range.max){
Buffer_Edit edits[2];
char *str = 0;
char *base = (char*)partition_current(&global_part);
str = push_array(&global_part, char, size1);
memcpy(str, text1, size1);
edits[0].str_start = (int)(str - base);
edits[0].len = size1;
edits[0].start = range.min;
edits[0].end = range.min;
str = push_array(&global_part, char, size2);
memcpy(str, text2, size2);
edits[1].str_start = (int)(str - base);
edits[1].len = size2;
edits[1].start = range.max;
edits[1].end = range.max;
app->buffer_batch_edit(app,&buffer,
base, global_part.pos,
edits, ArrayCount(edits), BatchEdit_Normal);
view = app->get_view(app, view.view_id, AccessAll);
if (view.cursor.pos > view.mark.pos){
app->view_set_cursor(app, &view,
seek_line_char(view.cursor.line+1, view.cursor.character),
true);
}
else{
app->view_set_mark(app, &view,
seek_line_char(view.mark.line+1, view.mark.character));
}
range = get_range(&view);
app->buffer_auto_indent(app, &buffer,
range.min, range.max,
DEF_TAB_WIDTH,
DEFAULT_INDENT_FLAGS);
move_past_lead_whitespace(app, &view, &buffer);
}
}
2016-06-28 19:48:12 +00:00
//
// Fast Deletes
2016-06-28 19:48:12 +00:00
//
CUSTOM_COMMAND_SIG(backspace_word){
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
2016-06-10 15:19:29 +00:00
if (buffer.exists){
int pos2 = 0, pos1 = 0;
pos2 = view.cursor.pos;
exec_command(app, seek_alphanumeric_left);
refresh_view(app, &view);
pos1 = view.cursor.pos;
app->buffer_replace_range(app, &buffer, pos1, pos2, 0, 0);
}
2016-06-10 15:19:29 +00:00
}
2016-06-10 15:19:29 +00:00
CUSTOM_COMMAND_SIG(delete_word){
2016-06-20 20:34:48 +00:00
unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
2016-06-10 15:19:29 +00:00
if (buffer.exists){
int pos2 = 0, pos1 = 0;
pos1 = view.cursor.pos;
exec_command(app, seek_alphanumeric_right);
refresh_view(app, &view);
pos2 = view.cursor.pos;
app->buffer_replace_range(app, &buffer, pos1, pos2, 0, 0);
}
}
CUSTOM_COMMAND_SIG(snipe_token_or_word){
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unsigned int access = AccessOpen;
View_Summary view;
Buffer_Summary buffer;
int pos1, pos2;
2016-06-06 17:33:23 +00:00
2016-06-20 20:34:48 +00:00
view = app->get_active_view(app, access);
buffer = app->get_buffer(app, view.buffer_id, access);
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pos1 = app->buffer_boundary_seek(app, &buffer, view.cursor.pos, false, BoundaryToken | BoundaryWhitespace);
2016-06-06 17:33:23 +00:00
pos2 = app->buffer_boundary_seek(app, &buffer, pos1, true, BoundaryToken | BoundaryWhitespace);
2016-06-06 17:33:23 +00:00
Range range = make_range(pos1, pos2);
app->buffer_replace_range(app, &buffer, range.start, range.end, 0, 0);
}
//
// Scroll Bar Controlling
//
CUSTOM_COMMAND_SIG(show_scrollbar){
View_Summary view = app->get_active_view(app, AccessProtected);
app->view_set_setting(app, &view, ViewSetting_ShowScrollbar, true);
}
CUSTOM_COMMAND_SIG(hide_scrollbar){
View_Summary view = app->get_active_view(app, AccessProtected);
app->view_set_setting(app, &view, ViewSetting_ShowScrollbar, false);
}
2016-06-28 19:48:12 +00:00
//
2016-07-05 01:36:30 +00:00
// Panel Management
2016-06-28 19:48:12 +00:00
//
2016-07-05 01:36:30 +00:00
CUSTOM_COMMAND_SIG(change_active_panel_regular){
View_Summary view = app->get_active_view(app, AccessAll);
app->get_view_next(app, &view, AccessAll);
if (!view.exists){
view = app->get_view_first(app, AccessAll);
}
if (view.exists){
app->set_active_view(app, &view);
}
}
// TODO(allen): This is a bit nasty. I want a system for picking
// the most advanced and correct version of a command to bind to a
// name based on which files are included.
#ifndef CHANGE_ACTIVE_PANEL
# define CHANGE_ACTIVE_PANEL 1
#elif CHANGE_ACTIVE_PANEL <= 1
# undef CHANGE_ACTIVE_PANEL
# define CHANGE_ACTIVE_PANEL 1
#endif
#if CHANGE_ACTIVE_PANEL <= 1
# ifdef change_active_panel
# undef change_active_panel
# endif
# define change_active_panel change_active_panel_regular
#endif
CUSTOM_COMMAND_SIG(close_panel){
View_Summary view = app->get_active_view(app, AccessAll);
app->close_view(app, &view);
}
CUSTOM_COMMAND_SIG(open_panel_vsplit){
View_Summary view = app->get_active_view(app, AccessAll);
2016-07-05 15:15:38 +00:00
View_Summary new_view = app->open_view(app, &view, ViewSplit_Right);
app->view_set_setting(app, &new_view, ViewSetting_ShowScrollbar, false);
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}
CUSTOM_COMMAND_SIG(open_panel_hsplit){
View_Summary view = app->get_active_view(app, AccessAll);
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View_Summary new_view = app->open_view(app, &view, ViewSplit_Bottom);
app->view_set_setting(app, &new_view, ViewSetting_ShowScrollbar, false);
2016-07-05 01:36:30 +00:00
}
//
// Open File In Quotes
2016-06-28 19:48:12 +00:00
//
static int
file_name_in_quotes(Application_Links *app, String *file_name){
int result = false;
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unsigned int access = AccessProtected;
View_Summary view;
Buffer_Summary buffer;
char short_file_name[128];
int pos, start, end, size;
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view = app->get_active_view(app, access);
buffer = app->get_buffer(app, view.buffer_id, access);
pos = view.cursor.pos;
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buffer_seek_delimiter_forward(app, &buffer, pos, '"', &end);
buffer_seek_delimiter_backward(app, &buffer, pos, '"', &start);
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++start;
size = end - start;
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// NOTE(allen): This check is necessary because app->buffer_read_range
// requiers that the output buffer you provide is at least (end - start) bytes long.
if (size < sizeof(short_file_name)){
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if (app->buffer_read_range(app, &buffer, start, end, short_file_name)){
result = true;
copy(file_name, make_string(buffer.file_name, buffer.file_name_len));
remove_last_folder(file_name);
append(file_name, make_string(short_file_name, size));
}
}
return(result);
}
CUSTOM_COMMAND_SIG(open_file_in_quotes_regular){
char file_name_[256];
String file_name = make_fixed_width_string(file_name_);
if (file_name_in_quotes(app, &file_name)){
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exec_command(app, change_active_panel_regular);
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View_Summary view = app->get_active_view(app, AccessAll);
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view_open_file(app, &view, expand_str(file_name), false);
}
}
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// TODO(allen): This is a bit nasty. I want a system for picking
// the most advanced and correct version of a command to bind to a
// name based on which files are included.
#ifndef OPEN_FILE_IN_QUOTES
# define OPEN_FILE_IN_QUOTES 1
#elif OPEN_FILE_IN_QUOTES <= 1
# undef OPEN_FILE_IN_QUOTES
# define OPEN_FILE_IN_QUOTES 1
#endif
#if OPEN_FILE_IN_QUOTES <= 1
# ifdef open_file_in_quotes
# undef open_file_in_quotes
# endif
# define open_file_in_quotes open_file_in_quotes_regular
#endif
CUSTOM_COMMAND_SIG(open_in_other_regular){
exec_command(app, change_active_panel_regular);
exec_command(app, cmdid_interactive_open);
}
// TODO(allen): This is a bit nasty. I want a system for picking
// the most advanced and correct version of a command to bind to a
// name based on which files are included.
#ifndef OPEN_IN_OTHER
# define OPEN_IN_OTHER 1
#elif OPEN_IN_OTHER <= 1
# undef OPEN_IN_OTHER
# define OPEN_IN_OTHER 1
#endif
#if OPEN_IN_OTHER <= 1
# ifdef open_in_other
# undef open_in_other
# endif
# define open_in_other open_in_other_regular
#endif
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CUSTOM_COMMAND_SIG(save_as){
exec_command(app, cmdid_save_as);
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}
CUSTOM_COMMAND_SIG(goto_line){
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unsigned int access = AccessProtected;
Query_Bar bar = {0};
char string_space[256];
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bar.prompt = make_lit_string("Goto Line: ");
bar.string = make_fixed_width_string(string_space);
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if (query_user_number(app, &bar)){
int line_number = str_to_int(bar.string);
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active_view_to_line(app, access, line_number);
}
}
CUSTOM_COMMAND_SIG(search);
CUSTOM_COMMAND_SIG(reverse_search);
static void
isearch(Application_Links *app, int start_reversed){
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unsigned int access = AccessProtected;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
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if (!buffer.exists) return;
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Query_Bar bar = {0};
if (app->start_query_bar(app, &bar, 0) == 0) return;
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int reverse = start_reversed;
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int pos = view.cursor.pos;
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int start_pos = pos;
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Range match = make_range(pos, pos);
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char bar_string_space[256];
bar.string = make_fixed_width_string(bar_string_space);
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String isearch_str = make_lit_string("I-Search: ");
String rsearch_str = make_lit_string("Reverse-I-Search: ");
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User_Input in = {0};
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for (;;){
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app->view_set_highlight(app, &view, match.start, match.end, true);
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// NOTE(allen): Change the bar's prompt to match the current direction.
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if (reverse) bar.prompt = rsearch_str;
else bar.prompt = isearch_str;
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in = app->get_user_input(app, EventOnAnyKey, EventOnEsc | EventOnButton);
if (in.abort) break;
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// NOTE(allen): If we're getting mouse events here it's a 4coder bug, because we
// only asked to intercept key events.
assert(in.type == UserInputKey);
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int made_change = 0;
if (in.key.keycode == '\n' || in.key.keycode == '\t'){
break;
}
else if (in.key.character && key_is_unmodified(&in.key)){
append(&bar.string, in.key.character);
made_change = 1;
}
else if (in.key.keycode == key_back){
if (bar.string.size > 0){
--bar.string.size;
made_change = 1;
}
}
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int step_forward = 0;
int step_backward = 0;
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if ((in.command.command == search) ||
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in.key.keycode == key_page_down || in.key.keycode == key_down) step_forward = 1;
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if ((in.command.command == reverse_search) ||
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in.key.keycode == key_page_up || in.key.keycode == key_up) step_backward = 1;
start_pos = pos;
if (step_forward && reverse){
start_pos = match.start + 1;
pos = start_pos;
reverse = 0;
step_forward = 0;
}
if (step_backward && !reverse){
start_pos = match.start - 1;
pos = start_pos;
reverse = 1;
step_backward = 0;
}
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if (in.key.keycode != key_back){
int new_pos;
if (reverse){
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buffer_seek_string_insensitive_backward(app, &buffer, start_pos - 1, 0,
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bar.string.str, bar.string.size, &new_pos);
if (new_pos >= 0){
if (step_backward){
pos = new_pos;
start_pos = new_pos;
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buffer_seek_string_insensitive_backward(app, &buffer, start_pos - 1, 0,
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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{
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buffer_seek_string_insensitive_forward(app, &buffer, start_pos + 1, 0,
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bar.string.str, bar.string.size, &new_pos);
if (new_pos < buffer.size){
if (step_forward){
pos = new_pos;
start_pos = new_pos;
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buffer_seek_string_insensitive_forward(app, &buffer, start_pos + 1, 0,
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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;
}
}
}
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app->view_set_highlight(app, &view, 0, 0, false);
if (in.abort){
app->view_set_cursor(app, &view, seek_pos(start_pos), true);
return;
}
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app->view_set_cursor(app, &view, seek_pos(match.min), true);
}
CUSTOM_COMMAND_SIG(search){
isearch(app, false);
}
CUSTOM_COMMAND_SIG(reverse_search){
isearch(app, true);
}
CUSTOM_COMMAND_SIG(replace_in_range){
Query_Bar replace;
char replace_space[1024];
replace.prompt = make_lit_string("Replace: ");
replace.string = make_fixed_width_string(replace_space);
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Query_Bar with;
char with_space[1024];
with.prompt = make_lit_string("With: ");
with.string = make_fixed_width_string(with_space);
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if (!query_user_string(app, &replace)) return;
if (replace.string.size == 0) return;
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if (!query_user_string(app, &with)) return;
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String r, w;
r = replace.string;
w = with.string;
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unsigned int access = AccessOpen;
View_Summary view = app->get_active_view(app, access);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
Range range = get_range(&view);
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int pos, new_pos;
pos = range.min;
buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos);
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while (new_pos + r.size <= range.end){
app->buffer_replace_range(app, &buffer, new_pos, new_pos + r.size, w.str, w.size);
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refresh_view(app, &view);
range = get_range(&view);
pos = new_pos + w.size;
buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos);
}
}
CUSTOM_COMMAND_SIG(query_replace){
Query_Bar replace;
char replace_space[1024];
replace.prompt = make_lit_string("Replace: ");
replace.string = make_fixed_width_string(replace_space);
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Query_Bar with;
char with_space[1024];
with.prompt = make_lit_string("With: ");
with.string = make_fixed_width_string(with_space);
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if (!query_user_string(app, &replace)) return;
if (replace.string.size == 0) return;
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if (!query_user_string(app, &with)) return;
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String r, w;
r = replace.string;
w = with.string;
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Query_Bar bar;
Buffer_Summary buffer;
View_Summary view;
int pos, new_pos;
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bar.prompt = make_lit_string("Replace? (y)es, (n)ext, (esc)\n");
bar.string = empty_string();
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app->start_query_bar(app, &bar, 0);
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unsigned int access = AccessOpen;
view = app->get_active_view(app, access);
buffer = app->get_buffer(app, view.buffer_id, access);
pos = view.cursor.pos;
buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos);
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User_Input in = {0};
while (new_pos < buffer.size){
Range match = make_range(new_pos, new_pos + r.size);
app->view_set_highlight(app, &view, match.min, match.max, 1);
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in = app->get_user_input(app, EventOnAnyKey, EventOnButton);
if (in.abort || in.key.keycode == key_esc || !key_is_unmodified(&in.key)) break;
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if (in.key.character == 'y' ||
in.key.character == 'Y' ||
in.key.character == '\n' ||
in.key.character == '\t'){
app->buffer_replace_range(app, &buffer, match.min, match.max, w.str, w.size);
pos = match.start + w.size;
}
else{
pos = match.max;
}
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buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos);
}
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app->view_set_highlight(app, &view, 0, 0, 0);
if (in.abort) return;
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app->view_set_cursor(app, &view, seek_pos(pos), 1);
}
//
// Fast Buffer Management
//
CUSTOM_COMMAND_SIG(close_all_code){
String extension;
Buffer_Summary buffer;
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// TODO(allen): Get better memory constructs to the custom layer
// so that it doesn't have to rely on arbitrary limits like this one.
int buffers_to_close[2048];
int buffers_to_close_count = 0;
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unsigned int access = AccessAll;
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for (buffer = app->get_buffer_first(app, access);
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buffer.exists;
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app->get_buffer_next(app, &buffer, access)){
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extension = file_extension(make_string(buffer.file_name, buffer.file_name_len));
if (match(extension, make_lit_string("cpp")) ||
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match(extension, make_lit_string("hpp")) ||
match(extension, make_lit_string("c")) ||
match(extension, make_lit_string("h"))){
buffers_to_close[buffers_to_close_count++] = buffer.buffer_id;
}
}
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for (int i = 0; i < buffers_to_close_count; ++i){
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app->kill_buffer(app, buffer_identifier(buffers_to_close[i]), true, 0);
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}
}
CUSTOM_COMMAND_SIG(open_all_code){
// NOTE(allen|a3.4.4): This method of getting the hot directory works
// because this custom.cpp gives no special meaning to app->memory
// and doesn't set up a persistent allocation system within app->memory.
// push_directory isn't a very good option since it's tied to the parameter
// stack, so I am phasing that idea out now.
String dir = make_string(app->memory, 0, app->memory_size);
dir.size = app->directory_get_hot(app, dir.str, dir.memory_size);
int dir_size = dir.size;
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// NOTE(allen|a3.4.4): Here we get the list of files in this directory.
// Notice that we free_file_list at the end.
File_List list = app->get_file_list(app, dir.str, dir.size);
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for (int i = 0; i < list.count; ++i){
File_Info *info = list.infos + i;
if (!info->folder){
String extension = make_string(info->filename, info->filename_len, info->filename_len+1);
extension = file_extension(extension);
if (match(extension, make_lit_string("cpp")) ||
match(extension, make_lit_string("hpp")) ||
match(extension, make_lit_string("c")) ||
match(extension, make_lit_string("h"))){
// NOTE(allen): There's no way in the 4coder API to use relative
// paths at the moment, so everything should be full paths. Which is
// managable. Here simply set the dir string size back to where it
// was originally, so that new appends overwrite old ones.
dir.size = dir_size;
append(&dir, info->filename);
app->create_buffer(app, dir.str, dir.size, 0);
}
}
}
app->free_file_list(app, list);
}
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char out_buffer_space[1024];
char command_space[1024];
char hot_directory_space[1024];
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CUSTOM_COMMAND_SIG(execute_any_cli){
Query_Bar bar_out = {0};
Query_Bar bar_cmd = {0};
bar_out.prompt = make_lit_string("Output Buffer: ");
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bar_out.string = make_fixed_width_string(out_buffer_space);
if (!query_user_string(app, &bar_out)) return;
bar_cmd.prompt = make_lit_string("Command: ");
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bar_cmd.string = make_fixed_width_string(command_space);
if (!query_user_string(app, &bar_cmd)) return;
String hot_directory = make_fixed_width_string(hot_directory_space);
hot_directory.size = app->directory_get_hot(app, hot_directory.str, hot_directory.memory_size);
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unsigned int access = AccessAll;
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View_Summary view = app->get_active_view(app, access);
app->exec_system_command(app, &view,
buffer_identifier(bar_out.string.str, bar_out.string.size),
hot_directory.str, hot_directory.size,
bar_cmd.string.str, bar_cmd.string.size,
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CLI_OverlapWithConflict | CLI_CursorAtEnd);
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}
CUSTOM_COMMAND_SIG(execute_previous_cli){
String out_buffer = make_string_slowly(out_buffer_space);
String cmd = make_string_slowly(command_space);
String hot_directory = make_string_slowly(hot_directory_space);
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if (out_buffer.size > 0 && cmd.size > 0 && hot_directory.size > 0){
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unsigned int access = AccessAll;
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View_Summary view = app->get_active_view(app, access);
app->exec_system_command(app, &view,
buffer_identifier(out_buffer.str, out_buffer.size),
hot_directory.str, hot_directory.size,
cmd.str, cmd.size,
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CLI_OverlapWithConflict | CLI_CursorAtEnd);
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}
}
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//
// Default Building Stuff
//
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// NOTE(allen|a4.0.9): This is provided to establish a default method of getting
// a "build directory". This function tries to setup the build directory in the
// directory of the given buffer, if it cannot get that information it get's the
// 4coder hot directory.
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//
// There is no requirement that a custom build system in 4coder actually use the
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// directory given by this function.
enum Get_Build_Directory_Result{
BuildDir_None,
BuildDir_AtFile,
BuildDir_AtHot
};
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static int
get_build_directory(Application_Links *app, Buffer_Summary *buffer, String *dir_out){
int result = BuildDir_None;
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if (buffer && buffer->file_name){
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if (!match(buffer->file_name, buffer->buffer_name)){
String dir = make_string(buffer->file_name,
buffer->file_name_len,
buffer->file_name_len+1);
remove_last_folder(&dir);
append(dir_out, dir);
result = BuildDir_AtFile;
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}
}
if (!result){
int len = app->directory_get_hot(app, dir_out->str,
dir_out->memory_size - dir_out->size);
if (len + dir_out->size < dir_out->memory_size){
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dir_out->size += len;
result = BuildDir_AtHot;
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}
}
return(result);
}
static int
standard_build_search(Application_Links *app,
View_Summary *view,
Buffer_Summary *active_buffer,
String *dir, String *command,
int perform_backup,
int use_path_in_command,
String filename,
String commandname){
int result = false;
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for(;;){
int old_size = dir->size;
append(dir, filename);
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if (app->file_exists(app, dir->str, dir->size)){
dir->size = old_size;
if (use_path_in_command){
append(command, '"');
append(command, *dir);
append(command, commandname);
append(command, '"');
}
else{
append(command, commandname);
}
char space[512];
String message = make_fixed_width_string(space);
append(&message, "Building with: ");
append(&message, *command);
append(&message, '\n');
app->print_message(app, message.str, message.size);
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app->exec_system_command(app, view,
buffer_identifier(literal("*compilation*")),
dir->str, dir->size,
command->str, command->size,
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CLI_OverlapWithConflict);
result = true;
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break;
}
dir->size = old_size;
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if (app->directory_cd(app, dir->str, &dir->size, dir->memory_size, literal("..")) == 0){
if (perform_backup){
dir->size = app->directory_get_hot(app, dir->str, dir->memory_size);
char backup_space[256];
String backup_command = make_fixed_width_string(backup_space);
append(&backup_command, make_lit_string("echo could not find "));
append(&backup_command, filename);
app->exec_system_command(app, view,
buffer_identifier(literal("*compilation*")),
dir->str, dir->size,
backup_command.str, backup_command.size,
CLI_OverlapWithConflict);
}
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break;
}
}
return(result);
}
#if defined(_WIN32)
// NOTE(allen): Build search rule for windows.
static int
execute_standard_build_search(Application_Links *app, View_Summary *view,
Buffer_Summary *active_buffer,
String *dir, String *command, int perform_backup){
int result = standard_build_search(app, view,
active_buffer,
dir, command, perform_backup, true,
make_lit_string("build.bat"),
make_lit_string("build"));
return(result);
}
#elif defined(__linux__)
// NOTE(allen): Build search rule for linux.
static int
execute_standard_build_search(Application_Links *app, View_Summary *view,
Buffer_Summary *active_buffer,
String *dir, String *command, int perform_backup){
char dir_space[512];
String dir_copy = make_fixed_width_string(dir_space);
copy(&dir_copy, *dir);
int result = standard_build_search(app, view,
active_buffer,
dir, command, false, true,
make_lit_string("build.sh"),
make_lit_string("build.sh"));
if (!result){
result = standard_build_search(app, view,
active_buffer,
&dir_copy, command, perform_backup, false,
make_lit_string("Makefile"),
make_lit_string("make"));
}
return(result);
}
#else
# error No build search rule for this platform.
#endif
static void
execute_standard_build(Application_Links *app, View_Summary *view,
Buffer_Summary *active_buffer){
char dir_space[512];
String dir = make_fixed_width_string(dir_space);
char command_str_space[512];
String command = make_fixed_width_string(command_str_space);
int build_dir_type = get_build_directory(app, active_buffer, &dir);
if (build_dir_type == BuildDir_AtFile){
if (!execute_standard_build_search(app, view, active_buffer,
&dir, &command, false)){
dir.size = 0;
command.size = 0;
build_dir_type = get_build_directory(app, 0, &dir);
}
}
if (build_dir_type == BuildDir_AtHot){
execute_standard_build_search(app, view, active_buffer,
&dir, &command, true);
}
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}
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CUSTOM_COMMAND_SIG(build_search_regular){
unsigned int access = AccessAll;
View_Summary view = app->get_active_view(app, access);
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Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access);
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execute_standard_build(app, &view, &buffer);
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}
// TODO(allen): This is a bit nasty. I want a system for picking
// the most advanced and correct version of a command to bind to a
// name based on which files are included.
#ifndef BUILD_SEARCH
# define BUILD_SEARCH 1
#elif BUILD_SEARCH <= 1
# undef BUILD_SEARCH
# define BUILD_SEARCH 1
#endif
#if BUILD_SEARCH <= 1
# ifdef build_search
# undef build_search
# endif
# define build_search build_search_regular
#endif
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//
// Common Settings Commands
//
CUSTOM_COMMAND_SIG(toggle_line_wrap){
View_Summary view = app->get_active_view(app, AccessProtected);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessProtected);
bool32 unwrapped = view.unwrapped_lines;
app->view_set_setting(app, &view, ViewSetting_WrapLine, unwrapped);
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app->buffer_set_setting(app, &buffer, BufferSetting_WrapLine, unwrapped);
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}
CUSTOM_COMMAND_SIG(toggle_show_whitespace){
View_Summary view = app->get_active_view(app, AccessProtected);
app->view_set_setting(app, &view, ViewSetting_ShowWhitespace, !view.show_whitespace);
}
CUSTOM_COMMAND_SIG(eol_dosify){
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
app->buffer_set_setting(app, &buffer, BufferSetting_Eol, true);
}
CUSTOM_COMMAND_SIG(eol_nixify){
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
app->buffer_set_setting(app, &buffer, BufferSetting_Eol, false);
}
//
// "Full Search" Based Commands
//
#include "4coder_table.cpp"
#include "4coder_search.cpp"
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static void
generic_search_all_buffers(Application_Links *app, General_Memory *general, Partition *part,
unsigned int match_flags){
Query_Bar string;
char string_space[1024];
string.prompt = make_lit_string("List Locations For: ");
string.string = make_fixed_width_string(string_space);
if (!query_user_string(app, &string)) return;
if (string.string.size == 0) return;
Search_Set set = {0};
Search_Iter iter = {0};
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search_iter_init(general, &iter, string.string.size);
copy(&iter.word, string.string);
int buffer_count = app->get_buffer_count(app);
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search_set_init(general, &set, buffer_count);
Search_Range *ranges = set.ranges;
{
View_Summary view = app->get_active_view(app, AccessProtected);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessProtected);
int j = 0;
if (buffer.exists){
ranges[0].type = SearchRange_FrontToBack;
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ranges[0].flags = match_flags;
ranges[0].buffer = buffer.buffer_id;
ranges[0].start = 0;
ranges[0].size = buffer.size;
j = 1;
}
for (Buffer_Summary buffer_it = app->get_buffer_first(app, AccessAll);
buffer_it.exists;
app->get_buffer_next(app, &buffer_it, AccessAll)){
if (buffer.buffer_id != buffer_it.buffer_id){
ranges[j].type = SearchRange_FrontToBack;
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ranges[j].flags = match_flags;
ranges[j].buffer = buffer_it.buffer_id;
ranges[j].start = 0;
ranges[j].size = buffer_it.size;
++j;
}
}
set.count = j;
}
Buffer_Summary search_buffer = app->get_buffer_by_name(app, literal("*search*"), AccessAll);
if (!search_buffer.exists){
search_buffer = app->create_buffer(app, literal("*search*"), BufferCreate_AlwaysNew);
app->buffer_set_setting(app, &search_buffer, BufferSetting_Unimportant, true);
app->buffer_set_setting(app, &search_buffer, BufferSetting_ReadOnly, true);
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app->buffer_set_setting(app, &search_buffer, BufferSetting_WrapLine, false);
}
else{
app->buffer_replace_range(app, &search_buffer, 0, search_buffer.size, 0, 0);
}
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Temp_Memory temp = begin_temp_memory(part);
Partition line_part = partition_sub_part(part, (4 << 10));
char *str = (char*)partition_current(part);
int part_size = 0;
int size = 0;
for (;;){
Search_Match match = search_next_match(app, &set, &iter);
if (match.found_match){
Partial_Cursor word_pos = {0};
if (app->buffer_compute_cursor(app, &match.buffer, seek_pos(match.start), &word_pos)){
int file_len = match.buffer.file_name_len;
int line_num_len = int_to_str_size(word_pos.line);
int column_num_len = int_to_str_size(word_pos.character);
Temp_Memory line_temp = begin_temp_memory(&line_part);
String line_str = {0};
read_line(app, &line_part, &match.buffer, word_pos.line, &line_str);
line_str = skip_chop_whitespace(line_str);
int str_len = file_len + 1 + line_num_len + 1 + column_num_len + 1 + 1 + line_str.size + 1;
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char *spare = push_array(part, char, str_len);
if (spare == 0){
app->buffer_replace_range(app, &search_buffer,
size, size, str, part_size);
size += part_size;
end_temp_memory(temp);
temp = begin_temp_memory(part);
part_size = 0;
spare = push_array(part, char, str_len);
}
part_size += str_len;
String out_line = make_string(spare, 0, str_len);
append(&out_line, make_string(match.buffer.file_name, file_len));
append(&out_line, ':');
append_int_to_str(&out_line, word_pos.line);
append(&out_line, ':');
append_int_to_str(&out_line, word_pos.character);
append(&out_line, ':');
append(&out_line, ' ');
append(&out_line, line_str);
append(&out_line, '\n');
end_temp_memory(line_temp);
}
}
else{
break;
}
}
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app->buffer_replace_range(app, &search_buffer, size, size, str, part_size);
View_Summary view = app->get_active_view(app, AccessAll);
app->view_set_buffer(app, &view, search_buffer.buffer_id, 0);
end_temp_memory(temp);
}
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CUSTOM_COMMAND_SIG(list_all_locations){
generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_MatchWholeWord);
}
CUSTOM_COMMAND_SIG(list_all_substring_locations){
generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_MatchSubstring);
}
CUSTOM_COMMAND_SIG(list_all_locations_case_insensitive){
generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_CaseInsensitive | SearchFlag_MatchWholeWord);
}
CUSTOM_COMMAND_SIG(list_all_substring_locations_case_insensitive){
generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_CaseInsensitive | SearchFlag_MatchSubstring);
}
struct Word_Complete_State{
Search_Set set;
Search_Iter iter;
Table hits;
String_Space str;
int word_start;
int word_end;
int initialized;
};
static Word_Complete_State complete_state = {0};
CUSTOM_COMMAND_SIG(word_complete){
View_Summary view = app->get_active_view(app, AccessOpen);
Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen);
// NOTE(allen): I just do this because this command is a lot of work
// and there is no point in doing any of it if nothing will happen anyway.
if (buffer.exists){
int do_init = false;
if (view_paste_index[view.view_id].rewrite != RewriteWordComplete){
do_init = true;
}
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view_paste_index[view.view_id].next_rewrite = RewriteWordComplete;
if (!complete_state.initialized){
do_init = true;
}
int word_end = 0;
int word_start = 0;
int cursor_pos = 0;
int size = 0;
if (do_init){
// NOTE(allen): Get the range where the
// partial word is written.
word_end = view.cursor.pos;
word_start = word_end;
cursor_pos = word_end - 1;
char space[1024];
Stream_Chunk chunk = {0};
if (init_stream_chunk(&chunk, app, &buffer,
cursor_pos, space, sizeof(space))){
int still_looping = true;
do{
for (; cursor_pos >= chunk.start; --cursor_pos){
char c = chunk.data[cursor_pos];
if (char_is_alpha(c)){
word_start = cursor_pos;
}
else if (!char_is_numeric(c)){
goto double_break;
}
}
still_looping = backward_stream_chunk(&chunk);
}while(still_looping);
}
double_break:;
size = word_end - word_start;
if (size == 0){
complete_state.initialized = false;
return;
}
// NOTE(allen): Initialize the search iterator
// with the partial word.
complete_state.initialized = true;
search_iter_init(&global_general, &complete_state.iter, size);
app->buffer_read_range(app, &buffer, word_start, word_end,
complete_state.iter.word.str);
complete_state.iter.word.size = size;
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// NOTE(allen): Initialize the set of ranges to be searched.
int buffer_count = app->get_buffer_count(app);
search_set_init(&global_general, &complete_state.set, buffer_count);
Search_Range *ranges = complete_state.set.ranges;
ranges[0].type = SearchRange_Wave;
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ranges[0].flags = SearchFlag_MatchWordPrefix;
ranges[0].buffer = buffer.buffer_id;
ranges[0].start = 0;
ranges[0].size = buffer.size;
ranges[0].mid_start = word_start;
ranges[0].mid_size = size;
int j = 1;
for (Buffer_Summary buffer_it = app->get_buffer_first(app, AccessAll);
buffer_it.exists;
app->get_buffer_next(app, &buffer_it, AccessAll)){
if (buffer.buffer_id != buffer_it.buffer_id){
ranges[j].type = SearchRange_FrontToBack;
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ranges[j].flags = SearchFlag_MatchWordPrefix;
ranges[j].buffer = buffer_it.buffer_id;
ranges[j].start = 0;
ranges[j].size = buffer_it.size;
++j;
}
}
complete_state.set.count = j;
// NOTE(allen): Initialize the search hit table.
search_hits_init(&global_general, &complete_state.hits, &complete_state.str,
100, (4 << 10));
search_hit_add(&global_general, &complete_state.hits, &complete_state.str,
complete_state.iter.word.str,
complete_state.iter.word.size);
complete_state.word_start = word_start;
complete_state.word_end = word_end;
}
else{
word_start = complete_state.word_start;
word_end = complete_state.word_end;
size = complete_state.iter.word.size;
}
// NOTE(allen): Iterate through matches.
if (size > 0){
for (;;){
int match_size = 0;
Search_Match match =
search_next_match(app, &complete_state.set,
&complete_state.iter);
if (match.found_match){
int match_size = match.end - match.start;
Temp_Memory temp = begin_temp_memory(&global_part);
char *spare = push_array(&global_part, char, match_size);
app->buffer_read_range(app, &match.buffer,
match.start, match.end, spare);
if (search_hit_add(&global_general, &complete_state.hits, &complete_state.str,
spare, match_size)){
app->buffer_replace_range(app, &buffer, word_start, word_end,
spare, match_size);
app->view_set_cursor(app, &view,
seek_pos(word_start + match_size),
true);
complete_state.word_end = word_start + match_size;
complete_state.set.ranges[0].mid_size = match_size;
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end_temp_memory(temp);
break;
}
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end_temp_memory(temp);
}
else{
complete_state.iter.pos = 0;
complete_state.iter.i = 0;
search_hits_init(&global_general, &complete_state.hits, &complete_state.str,
100, (4 << 10));
search_hit_add(&global_general, &complete_state.hits, &complete_state.str,
complete_state.iter.word.str,
complete_state.iter.word.size);
match_size = complete_state.iter.word.size;
char *str = complete_state.iter.word.str;
app->buffer_replace_range(app, &buffer, word_start, word_end,
str, match_size);
app->view_set_cursor(app, &view,
seek_pos(word_start + match_size),
true);
complete_state.word_end = word_start + match_size;
complete_state.set.ranges[0].mid_size = match_size;
break;
}
}
}
}
}
//
//
//
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CUSTOM_COMMAND_SIG(execute_arbitrary_command){
// NOTE(allen): This isn't a super powerful version of this command, I will expand
// upon it so that it has all the cmdid_* commands by default. However, with this
// as an example you have everything you need to make it work already. You could
// even use app->memory to create a hash table in the start hook.
Query_Bar bar;
char space[1024];
bar.prompt = make_lit_string("Command: ");
bar.string = make_fixed_width_string(space);
if (!query_user_string(app, &bar)) return;
// NOTE(allen): Here I chose to end this query bar because when I call another
// command it might ALSO have query bars and I don't want this one hanging
// around at that point. Since the bar exists on my stack the result of the query
// is still available in bar.string though.
app->end_query_bar(app, &bar, 0);
if (match(bar.string, make_lit_string("open all code"))){
exec_command(app, open_all_code);
}
else if(match(bar.string, make_lit_string("close all code"))){
exec_command(app, close_all_code);
}
else if (match(bar.string, make_lit_string("open menu"))){
exec_command(app, cmdid_open_menu);
}
else if (match(bar.string, make_lit_string("dos lines"))){
exec_command(app, eol_dosify);
}
else if (match(bar.string, make_lit_string("nix lines"))){
exec_command(app, eol_nixify);
}
else{
app->print_message(app, literal("unrecognized command\n"));
}
}
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// NOTE(allen|a4): scroll rule information
//
// The parameters:
// target_x, target_y
// This is where the view would like to be for the purpose of
// following the cursor, doing mouse wheel work, etc.
//
// scroll_x, scroll_y
// These are pointers to where the scrolling actually is. If you bind
// the scroll rule it is you have to update these in some way to move
// the actual location of the scrolling.
//
// view_id
// This corresponds to which view is computing it's new scrolling position.
// This id DOES correspond to the views that View_Summary contains.
// This will always be between 1 and 16 (0 is a null id).
// See below for an example of having state that carries across scroll udpates.
//
// is_new_target
// If the target of the view is different from the last target in either x or y
// this is true, otherwise it is false.
//
// The return:
// Should be true if and only if scroll_x or scroll_y are changed.
//
// Don't try to use the app pointer in a scroll rule, you're asking for trouble.
//
// If you don't bind scroll_rule, nothing bad will happen, yo will get default
// 4coder scrolling behavior.
//
struct Scroll_Velocity{
float x, y;
};
Scroll_Velocity scroll_velocity_[16] = {0};
Scroll_Velocity *scroll_velocity = scroll_velocity_ - 1;
static int
smooth_camera_step(float target, float *current, float *vel, float S, float T){
int result = 0;
float curr = *current;
float v = *vel;
if (curr != target){
if (curr > target - .1f && curr < target + .1f){
curr = target;
v = 1.f;
}
else{
float L = curr + T*(target - curr);
int sign = (target > curr) - (target < curr);
float V = curr + sign*v;
if (sign > 0) curr = (L<V)?(L):(V);
else curr = (L>V)?(L):(V);
if (curr == V){
v *= S;
}
}
*current = curr;
*vel = v;
result = 1;
}
return result;
}
SCROLL_RULE_SIG(smooth_scroll_rule){
Scroll_Velocity *velocity = scroll_velocity + view_id;
int result = 0;
if (velocity->x == 0.f){
velocity->x = 1.f;
velocity->y = 1.f;
}
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if (smooth_camera_step(target_y, scroll_y, &velocity->y, 80.f, 1.f/2.f)){
result = 1;
}
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if (smooth_camera_step(target_x, scroll_x, &velocity->x, 80.f, 1.f/2.f)){
result = 1;
}
return(result);
}
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// NOTE(allen|a4.0.9): All command calls can now go through this hook
// If this hook is not implemented a default behavior of calling the
// command is used. It is important to note that paste_next does not
// work without this hook.
// NOTE(allen|a4.0.10): As of this version the word_complete command also
// relies on this particular command caller hook.
COMMAND_CALLER_HOOK(default_command_caller){
View_Summary view = app->get_active_view(app, AccessAll);
view_paste_index[view.view_id].next_rewrite = false;
exec_command(app, cmd);
view_paste_index[view.view_id].rewrite =
view_paste_index[view.view_id].next_rewrite;
return(0);
}
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#endif