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MoveOnWhitespaceBoundaryVertical

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Krzosa Karol
2024-08-03 10:14:22 +02:00
parent 1ebe8d9929
commit ee863e3b09
1 changed files with 16 additions and 29 deletions
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45
src/text_editor/buffer_ops.cpp
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@@ -7,6 +7,7 @@ const bool CTRL_PRESSED = true;
Int MoveOnWhitespaceBoundary(Buffer &buffer, Int pos, int direction) {
Assert(direction == DIR_RIGHT || direction == DIR_LEFT);
bool right = direction == DIR_RIGHT;
pos = Clamp(pos, (Int)0, buffer.len);
bool standing_on_whitespace = IsWhitespace(buffer.str[pos]);
@@ -16,24 +17,24 @@ Int MoveOnWhitespaceBoundary(Buffer &buffer, Int pos, int direction) {
bool seek_word = standing_on_whitespace || standing_on_symbol;
bool seek_symbol = standing_on_whitespace || standing_on_word;
Int result = direction == DIR_RIGHT ? buffer.len : 0;
Int delta = direction == DIR_RIGHT ? 1 : -1;
Int result = right ? buffer.len : 0;
Int delta = right ? 1 : -1;
Int prev_pos = pos;
for (Int i = pos; direction == DIR_RIGHT ? i < buffer.len : i >= 0; i += delta) {
for (Int i = pos; right ? i < buffer.len : i >= 0; i += delta) {
bool is_whitespace = IsWhitespace(buffer.str[i]);
bool is_symbol = IsSymbol(buffer.str[i]);
bool is_word = !is_whitespace && !is_symbol;
Int r = direction == DIR_RIGHT ? i : prev_pos;
Int res = right ? i : prev_pos;
if (seek_word && is_word) {
result = r;
result = res;
break;
}
if (seek_whitespace && is_whitespace) {
result = r;
result = res;
break;
}
if (seek_symbol && is_symbol) {
result = r;
result = res;
break;
}
prev_pos = i;
@@ -41,29 +42,15 @@ Int MoveOnWhitespaceBoundary(Buffer &buffer, Int pos, int direction) {
return result;
}
Int MoveOnWhitespaceBoundaryDown(Buffer &buffer, Int pos) {
Int result = pos;
Int next_line = PosToLine(buffer, pos) + 1;
for (Int line = next_line; line < buffer.line_starts.len; line += 1) {
Range line_range = GetLineRange(buffer, line);
result = line_range.min;
Int MoveOnWhitespaceBoundaryVertical(Buffer &buffer, Int pos, int direction) {
Assert(direction == DIR_UP || direction == DIR_DOWN);
bool whitespace_line = true;
for (Int i = line_range.min; i < line_range.max; i += 1) {
if (!IsWhitespace(buffer.str[i])) {
whitespace_line = false;
break;
}
}
if (whitespace_line) break;
}
return result;
}
bool up = direction == DIR_UP;
Int delta = up ? -1 : 1;
Int MoveOnWhitespaceBoundaryUp(Buffer &buffer, Int pos) {
Int result = pos;
Int next_line = PosToLine(buffer, pos) - 1;
for (Int line = next_line; line >= 0; line -= 1) {
Int next_line = PosToLine(buffer, pos) + delta;
for (Int line = next_line; up ? line >= 0 : line < buffer.line_starts.len; line += delta) {
Range line_range = GetLineRange(buffer, line);
result = line_range.min;
@@ -92,8 +79,8 @@ Int MovePos(Buffer &buffer, Int pos, int direction, bool ctrl_pressed = false) {
switch (direction) {
case DIR_RIGHT: return MoveOnWhitespaceBoundary(buffer, pos, direction);
case DIR_LEFT: return MoveOnWhitespaceBoundary(buffer, pos - 1, direction);
case DIR_DOWN: return MoveOnWhitespaceBoundaryDown(buffer, pos);
case DIR_UP: return MoveOnWhitespaceBoundaryUp(buffer, pos);
case DIR_DOWN: return MoveOnWhitespaceBoundaryVertical(buffer, pos, direction);
case DIR_UP: return MoveOnWhitespaceBoundaryVertical(buffer, pos, direction);
default: return pos;
}
} else {