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Fixes for last character in the buffer

This commit is contained in:
Allen Webster 2019-10-01 16:28:10 -07:00
parent 58eb7cf3a5
commit 0b16d153ad
1 changed files with 13 additions and 5 deletions
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18
4ed_buffer.cpp
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@ -556,6 +556,9 @@ buffer_cursor_from_line_col(Gap_Buffer *buffer, i64 line, i64 col){
i64 this_start = buffer->line_starts[line_index]; i64 this_start = buffer->line_starts[line_index];
i64 max_col = (buffer->line_starts[line_index + 1] - this_start); i64 max_col = (buffer->line_starts[line_index + 1] - this_start);
if (line_index + 1 == line_count){
max_col += 1;
}
max_col = clamp_bot(1, max_col); max_col = clamp_bot(1, max_col);
if (col < 0){ if (col < 0){
@ -729,6 +732,8 @@ buffer_layout(Thread_Context *tctx, Arena *arena, Gap_Buffer *buffer, Interval_i
b32 consuming_newline_characters = false; b32 consuming_newline_characters = false;
i64 newline_character_index = -1; i64 newline_character_index = -1;
b32 prev_did_emit_newline = false;
u8 *ptr = text.str; u8 *ptr = text.str;
u8 *end_ptr = ptr + text.size; u8 *end_ptr = ptr + text.size;
for (;ptr < end_ptr;){ for (;ptr < end_ptr;){
@ -764,9 +769,6 @@ buffer_layout(Thread_Context *tctx, Arena *arena, Gap_Buffer *buffer, Interval_i
consuming_newline_characters = true; consuming_newline_characters = true;
newline_character_index = index; newline_character_index = index;
} }
if (ptr + 1 == end_ptr){
emit_newline = true;
}
ptr += 1; ptr += 1;
index += 1; index += 1;
}break; }break;
@ -811,6 +813,7 @@ buffer_layout(Thread_Context *tctx, Arena *arena, Gap_Buffer *buffer, Interval_i
first_of_the_line = false; first_of_the_line = false;
}break; }break;
} }
prev_did_emit_newline = false;
if (emit_newline){ if (emit_newline){
f32 next_x = p.x + space_advance; f32 next_x = p.x + space_advance;
buffer_layout__write(arena, &list, newline_character_index, ' ', 0, Rf32(p, V2f32(next_x, line_y))); buffer_layout__write(arena, &list, newline_character_index, ' ', 0, Rf32(p, V2f32(next_x, line_y)));
@ -818,8 +821,13 @@ buffer_layout(Thread_Context *tctx, Arena *arena, Gap_Buffer *buffer, Interval_i
p.x = 0.f; p.x = 0.f;
line_y += line_height; line_y += line_height;
first_of_the_line = true; first_of_the_line = true;
prev_did_emit_newline = true;
} }
} }
if (!prev_did_emit_newline){
f32 next_x = p.x + space_advance;
buffer_layout__write(arena, &list, index, ' ', 0, Rf32(p, V2f32(next_x, line_y)));
}
} }
return(list); return(list);
@ -832,7 +840,7 @@ buffer_layout_nearest_pos_to_xy(Buffer_Layout_Item_List list, Vec2_f32 p){
closest_match = list.index_range.min; closest_match = list.index_range.min;
} }
else if (p.y >= list.height){ else if (p.y >= list.height){
closest_match = list.index_range.max; closest_match = list.index_range.max + 1;
} }
else{ else{
if (0.f < p.x && p.x < max_f32){ if (0.f < p.x && p.x < max_f32){
@ -933,7 +941,7 @@ buffer_layout_get_pos_at_character(Buffer_Layout_Item_List list, i64 character){
result = list.index_range.min; result = list.index_range.min;
} }
else if (character >= list.character_count){ else if (character >= list.character_count){
result = list.index_range.max; result = list.index_range.max + 1;
} }
else{ else{
i64 counter = 0; i64 counter = 0;