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implemented standard wrap remeasuring rule

This commit is contained in:
Allen Webster 2016-09-22 17:25:52 -04:00
parent 50f719dc4c
commit 93d738240b
3 changed files with 253 additions and 123 deletions
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27
4ed.cpp
View File

@ -1694,26 +1694,33 @@ App_Init_Sig(app_init){
General_Memory *general = &models->mem.general;
String init_files[] = {
make_lit_string("*messages*"),
make_lit_string("*scratch*"),
struct File_Init{
String name;
Editing_File **ptr;
i32 type;
};
Editing_File **init_file_ptrs[] = {
&models->message_buffer,
&models->scratch_buffer,
File_Init init_files[] = {
{ make_lit_string("*messages*"), &models->message_buffer, 1, },
{ make_lit_string("*scratch*"), &models->scratch_buffer, 0, }
};
for (i32 i = 0; i < ArrayCount(init_files); ++i){
String name = init_files[i];
Editing_File *file = working_set_alloc_always(&models->working_set, general);
buffer_bind_name(general, &models->working_set, file, name);
init_read_only_file(system, models, file);
buffer_bind_name(general, &models->working_set, file, init_files[i].name);
switch (init_files[i].type){
case 0: init_normal_file(system, models, file, 0, 0); break;
case 1: init_read_only_file(system, models, file); break;
}
file->settings.never_kill = 1;
file->settings.unimportant = 1;
file->settings.unwrapped_lines = 1;
*init_file_ptrs[i] = file;
if (init_files[i].ptr){
*init_files[i].ptr = file;
}
}
Panel_And_ID p = layout_alloc_panel(&models->layout);

88
4ed_file_view.cpp
View File

@ -675,6 +675,16 @@ view_set_cursor_and_scroll(View *view,
}
}
inline void
view_set_temp_highlight(View *view, i32 pos, i32 end_pos){
view->file_data.temp_highlight = view_compute_cursor_from_pos(view, pos);
view->file_data.temp_highlight_end_pos = end_pos;
view->file_data.show_temp_highlight = 1;
view_set_cursor(view, view->file_data.temp_highlight,
0, view->file_data.file->settings.unwrapped_lines);
}
struct View_And_ID{
View *view;
i32 id;
@ -909,21 +919,30 @@ file_grow_starts_as_needed(General_Memory *general, Buffer_Type *buffer, i32 add
return(result);
}
inline void
view_set_temp_highlight(View *view, i32 pos, i32 end_pos){
view->file_data.temp_highlight = view_compute_cursor_from_pos(view, pos);
view->file_data.temp_highlight_end_pos = end_pos;
view->file_data.show_temp_highlight = 1;
internal void
file_update_cursor_positions(Models *models, Editing_File *file){
Editing_Layout *layout = &models->layout;
for (View_Iter iter = file_view_iter_init(layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
i32 pos = view_get_cursor_pos(iter.view);
view_set_cursor(view, view->file_data.temp_highlight,
0, view->file_data.file->settings.unwrapped_lines);
if (!iter.view->file_data.show_temp_highlight){
Full_Cursor cursor = view_compute_cursor_from_pos(iter.view, pos);
view_set_cursor(iter.view, cursor, 1, iter.view->file_data.file->settings.unwrapped_lines);
}
else{
view_set_temp_highlight(iter.view, pos, iter.view->file_data.temp_highlight_end_pos);
}
}
}
// NOTE(allen): This call assumes that the buffer's line starts are already correct,
// and that the buffer's line_count is correct.
internal void
file_measure_wraps(Models *models, Editing_File *file, f32 font_height, f32 *adv){
file_allocate_wraps_as_needed(General_Memory *general, Editing_File *file){
Buffer_Type *buffer = &file->state.buffer;
General_Memory *general = &models->mem.general;
if (file->state.wraps == 0){
i32 max = ((buffer->line_count+1)*2);
max = (max+(0x1FF))&(~(0x1FF));
@ -942,25 +961,20 @@ file_measure_wraps(Models *models, Editing_File *file, f32 font_height, f32 *adv
file->state.wraps = new_wraps;
file->state.wrap_max = max;
}
buffer_measure_wrap_y(buffer, file->state.wraps, font_height, adv, (f32)file->settings.display_width);
Editing_Layout *layout = &models->layout;
for (View_Iter iter = file_view_iter_init(layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
i32 pos = view_get_cursor_pos(iter.view);
if (!iter.view->file_data.show_temp_highlight){
Full_Cursor cursor = view_compute_cursor_from_pos(iter.view, pos);
view_set_cursor(iter.view, cursor, 1, iter.view->file_data.file->settings.unwrapped_lines);
}
else{
view_set_temp_highlight(iter.view, pos, iter.view->file_data.temp_highlight_end_pos);
}
}
}
// NOTE(allen): This call assumes that the buffer's line starts are already correct,
// and that the buffer's line_count is correct.
internal void
file_measure_wraps(Models *models, Editing_File *file, f32 font_height, f32 *adv){
file_allocate_wraps_as_needed(&models->mem.general, file);
buffer_measure_wrap_y(&file->state.buffer, file->state.wraps,
font_height, adv, (f32)file->settings.display_width);
file_update_cursor_positions(models, file);
}
// NOTE(allen): This call assumes that the buffer's line starts are already correct,
// and that the buffer's line_count is correct.
internal void
file_set_display_width(Models *models, Editing_File *file, i32 display_width, f32 font_height, f32 *adv){
file->settings.display_width = display_width;
@ -2054,11 +2068,15 @@ file_do_single_edit(System_Functions *system,
i32 new_line_count = buffer_count_newlines(&file->state.buffer, start, start+str_len);
i32 line_shift = new_line_count - replaced_line_count;
Render_Font *font = get_font_info(models->font_set, file->settings.font_id)->font;
file_grow_starts_as_needed(general, buffer, line_shift);
buffer_remeasure_starts(buffer, line_start, line_end, line_shift, shift_amount);
Render_Font *font = get_font_info(models->font_set, file->settings.font_id)->font;
file_measure_wraps(models, file, (f32)font->height, font->advance_data);
file_allocate_wraps_as_needed(general, file);
buffer_remeasure_wrap_y(buffer, line_start, line_end, line_shift,
file->state.wraps, (f32)font->height, font->advance_data,
(f32)file->settings.display_width);
// NOTE(allen): cursor fixing
Cursor_Fix_Descriptor desc = {};
@ -2079,6 +2097,8 @@ file_do_batch_edit(System_Functions *system, Models *models, Editing_File *file,
Edit_Spec spec, History_Mode history_mode, i32 batch_type){
Mem_Options *mem = &models->mem;
General_Memory *general = &mem->general;
Partition *part = &mem->part;
Editing_Layout *layout = &models->layout;
// NOTE(allen): fixing stuff "beforewards"???
@ -2087,9 +2107,6 @@ file_do_batch_edit(System_Functions *system, Models *models, Editing_File *file,
file_pre_edit_maintenance(system, &mem->general, file);
// NOTE(allen): actual text replacement
General_Memory *general = &mem->general;
Partition *part = &mem->part;
u8 *str_base = file->state.undo.children.strings;
i32 batch_size = spec.step.child_count;
Buffer_Edit *batch = file->state.undo.children.edits + spec.step.first_child;
@ -2113,10 +2130,18 @@ file_do_batch_edit(System_Functions *system, Models *models, Editing_File *file,
}
}
// TODO(allen): Let's try to switch to remeasuring here moron!
// We'll need to get the total shift from the actual batch edit state
// instead of from the cursor fixing. The only reason we're getting
// it from cursor fixing is because you're a lazy asshole.
// NOTE(allen): meta data
Buffer_Measure_Starts measure_state = {};
buffer_measure_starts(&measure_state, &file->state.buffer);
Render_Font *font = get_font_info(models->font_set, file->settings.font_id)->font;
file_measure_wraps(models, file, (f32)font->height, font->advance_data);
// NOTE(allen): cursor fixing
i32 shift_total = 0;
{
@ -2124,7 +2149,6 @@ file_do_batch_edit(System_Functions *system, Models *models, Editing_File *file,
desc.is_batch = 1;
desc.batch = batch;
desc.batch_size = batch_size;
file_edit_cursor_fix(system, models, file, layout, desc, &shift_total);
}

239
buffer/4coder_buffer_abstract.cpp
View File

@ -73,6 +73,8 @@ typedef struct Buffer_Measure_Starts{
} Buffer_Measure_Starts;
// TODO(allen): Rewrite this with a duff routine
// Also make it so that the array goes one past the end
// and stores the size in the extra spot.
internal_4tech i32
buffer_measure_starts(Buffer_Measure_Starts *state, Buffer_Type *buffer){
Buffer_Stringify_Type loop = {0};
@ -119,81 +121,19 @@ buffer_measure_starts(Buffer_Measure_Starts *state, Buffer_Type *buffer){
return(result);
}
internal_4tech void
buffer_remeasure_starts(Buffer_Type *buffer, i32 line_start, i32 line_end, i32 line_shift, i32 text_shift){
Buffer_Stringify_Type loop;
i32 *starts = buffer->line_starts;
i32 line_count = buffer->line_count;
char *data = 0;
i32 size = 0, end = 0;
i32 line_i = 0, char_i = 0, start = 0;
assert_4tech(0 <= line_start);
assert_4tech(line_start <= line_end);
assert_4tech(line_end < line_count);
assert_4tech(line_count + line_shift <= buffer->line_max);
++line_end;
if (text_shift != 0){
line_i = line_end;
starts += line_i;
for (; line_i < line_count; ++line_i, ++starts){
*starts += text_shift;
}
starts = buffer->line_starts;
}
if (line_shift != 0){
memmove_4tech(starts + line_end + line_shift, starts + line_end,
sizeof(i32)*(line_count - line_end));
line_count += line_shift;
}
line_end += line_shift;
size = buffer_size(buffer);
char_i = starts[line_start];
line_i = line_start;
start = char_i;
for (loop = buffer_stringify_loop(buffer, char_i, size);
buffer_stringify_good(&loop);
buffer_stringify_next(&loop)){
end = loop.size + loop.absolute_pos;
data = loop.data - loop.absolute_pos;
for (; char_i < end; ++char_i){
if (data[char_i] == '\n'){
starts[line_i++] = start;
start = char_i + 1;
if (line_i >= line_end && start == starts[line_i]) goto buffer_remeasure_starts_end;
}
}
}
if (char_i == size){
starts[line_i++] = start;
}
buffer_remeasure_starts_end:
assert_4tech(line_count >= 1);
buffer->line_count = line_count;
}
internal_4tech void
buffer_measure_wrap_y(Buffer_Type *buffer, f32 *wraps, f32 font_height, f32 *adv, f32 max_width){
Buffer_Stringify_Type loop = {0};
i32 size = buffer_size(buffer);
char *data = 0;
i32 end = 0;
i32 i = 0;
i32 size = buffer_size(buffer);
i32 wrap_index = 0;
f32 last_wrap = 0.f;
f32 current_wrap = 0.f;
f32 x = 0.f;
f32 current_adv = 0.f;
u8 ch = 0;
for (loop = buffer_stringify_loop(buffer, i, size);
buffer_stringify_good(&loop);
@ -201,7 +141,7 @@ buffer_measure_wrap_y(Buffer_Type *buffer, f32 *wraps, f32 font_height, f32 *adv
end = loop.size + loop.absolute_pos;
data = loop.data - loop.absolute_pos;
for (; i < end; ++i){
ch = (u8)data[i];
u8 ch = (u8)data[i];
if (ch == '\n'){
wraps[wrap_index++] = last_wrap;
current_wrap += font_height;
@ -209,7 +149,7 @@ buffer_measure_wrap_y(Buffer_Type *buffer, f32 *wraps, f32 font_height, f32 *adv
x = 0.f;
}
else{
current_adv = adv[ch];
f32 current_adv = adv[ch];
if (x + current_adv > max_width){
current_wrap += font_height;
x = current_adv;
@ -227,6 +167,165 @@ buffer_measure_wrap_y(Buffer_Type *buffer, f32 *wraps, f32 font_height, f32 *adv
assert_4tech(wrap_index-1 == buffer->line_count);
}
internal_4tech void
buffer_remeasure_starts(Buffer_Type *buffer, i32 line_start, i32 line_end, i32 line_shift, i32 text_shift){
i32 *starts = buffer->line_starts;
i32 line_count = buffer->line_count;
assert_4tech(0 <= line_start);
assert_4tech(line_start <= line_end);
assert_4tech(line_end < line_count);
assert_4tech(line_count + line_shift <= buffer->line_max);
++line_end;
// Adjust
if (text_shift != 0){
i32 line_i = line_end;
starts += line_i;
for (; line_i < line_count; ++line_i, ++starts){
*starts += text_shift;
}
starts = buffer->line_starts;
}
// Shift
i32 new_line_count = line_count;
i32 new_line_end = line_end;
if (line_shift != 0){
memmove_4tech(starts + line_end + line_shift, starts + line_end,
sizeof(i32)*(line_count - line_end));
new_line_count += line_shift;
new_line_end += line_shift;
}
// Iteration data (yikes! Need better loop system)
Buffer_Stringify_Type loop = {0};
i32 end = 0;
char *data = 0;
i32 size = buffer_size(buffer);
i32 char_i = starts[line_start];
i32 line_i = line_start;
// Line start measurement
i32 start = char_i;
for (loop = buffer_stringify_loop(buffer, char_i, size);
buffer_stringify_good(&loop);
buffer_stringify_next(&loop)){
end = loop.size + loop.absolute_pos;
data = loop.data - loop.absolute_pos;
for (; char_i < end; ++char_i){
u8 ch = (u8)data[char_i];
if (ch == '\n'){
starts[line_i] = start;
++line_i;
start = char_i + 1;
// TODO(allen): I would like to know that I am not guessing here,
// so let's try to turn the && into an Assert.
if (line_i >= new_line_end && (line_i >= new_line_count || start == starts[line_i])){
goto buffer_remeasure_starts_end;
}
}
}
}
// TODO(allen): I suspect this can just go away.
if (char_i == size){
starts[line_i++] = start;
}
buffer_remeasure_starts_end:;
assert_4tech(line_count >= 1);
buffer->line_count = new_line_count;
}
internal_4tech void
buffer_remeasure_wrap_y(Buffer_Type *buffer, i32 line_start, i32 line_end, i32 line_shift,
f32 *wraps, f32 font_height, f32 *adv, f32 max_width){
i32 new_line_count = buffer->line_count;
assert_4tech(0 <= line_start);
assert_4tech(line_start <= line_end);
assert_4tech(line_end < new_line_count - line_shift);
++line_end;
// Shift
i32 line_count = new_line_count;
i32 new_line_end = line_end;
if (line_shift != 0){
memmove_4tech(wraps + line_end + line_shift, wraps + line_end,
sizeof(i32)*(line_count - line_end));
line_count -= line_shift;
new_line_end += line_shift;
}
// Iteration data (yikes! Need better loop system)
Buffer_Stringify_Type loop = {0};
i32 end = 0;
char *data = 0;
i32 size = buffer_size(buffer);
i32 char_i = buffer->line_starts[line_start];
i32 line_i = line_start;
// Line wrap measurement
f32 last_wrap = wraps[line_i];
f32 current_wrap = last_wrap;
f32 x = 0.f;
for (loop = buffer_stringify_loop(buffer, char_i, size);
buffer_stringify_good(&loop);
buffer_stringify_next(&loop)){
end = loop.size + loop.absolute_pos;
data = loop.data - loop.absolute_pos;
for (; char_i < end; ++char_i){
u8 ch = (u8)data[char_i];
if (ch == '\n'){
wraps[line_i] = last_wrap;
++line_i;
current_wrap += font_height;
last_wrap = current_wrap;
x = 0.f;
// TODO(allen): I would like to know that I am not guessing here.
if (line_i >= new_line_end){
goto buffer_remeasure_wraps_end;
}
}
else{
f32 current_adv = adv[ch];
if (x + current_adv > max_width){
current_wrap += font_height;
x = current_adv;
}
else{
x += current_adv;
}
}
}
}
wraps[line_i++] = last_wrap;
buffer_remeasure_wraps_end:;
f32 y_shift = current_wrap - wraps[line_i];
// Adjust
if (y_shift != 0){
wraps += line_i;
for (; line_i <= new_line_count; ++line_i, ++wraps){
*wraps += y_shift;
}
}
}
internal_4tech i32
buffer_get_line_index_range(Buffer_Type *buffer, i32 pos, i32 l_bound, i32 u_bound){
i32 *lines = buffer->line_starts;
@ -297,7 +396,6 @@ cursor_seek_step(Seek_State *state, Buffer_Seek seek, i32 xy_seek, f32 max_width
f32 font_height, f32 *adv, i32 size, uint8_t ch){
Full_Cursor cursor = state->cursor;
Full_Cursor prev_cursor = cursor;
f32 ch_width;
i32 result = 1;
f32 x, px, y;
@ -312,18 +410,19 @@ cursor_seek_step(Seek_State *state, Buffer_Seek seek, i32 xy_seek, f32 max_width
break;
default:
++cursor.character;
ch_width = adv[ch];
{
f32 ch_width = adv[ch];
if (cursor.wrapped_x + ch_width >= max_width){
if (cursor.wrapped_x + ch_width > max_width){
cursor.wrapped_y += font_height;
cursor.wrapped_x = 0;
prev_cursor = cursor;
}
++cursor.character;
cursor.unwrapped_x += ch_width;
cursor.wrapped_x += ch_width;
break;
}break;
}
++cursor.pos;