krzosa/imgui_transcript_browser
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Small improvements

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This commit is contained in:
Krzosa Karol
2024-06-24 06:51:34 +02:00
parent 37518ed7b0
commit e82edb89ae
4 changed files with 102 additions and 57 deletions
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83
src/text_editor/main.cpp
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@@ -12,51 +12,6 @@
// WindowBuffer units
// WindowBufferWorld units
struct Cursor {
union {
Range range;
int64_t pos[2];
};
int64_t ifront;
};
int64_t GetFront(Cursor cursor) {
int64_t result = cursor.pos[cursor.ifront];
return result;
}
int64_t GetBack(Cursor cursor) {
int64_t index = (cursor.ifront + 1) % 2;
int64_t result = cursor.pos[index];
return result;
}
Cursor MakeCursor(int64_t front, int64_t back) {
Cursor result = {};
if (front >= back) {
result.range.min = back;
result.range.max = front;
result.ifront = 1;
} else {
result.range.min = front;
result.range.max = back;
result.ifront = 0;
}
return result;
}
Cursor ChangeBack(Cursor cursor, int64_t back) {
int64_t front = GetFront(cursor);
Cursor result = MakeCursor(front, back);
return result;
}
Cursor ChangeFront(Cursor cursor, int64_t front) {
int64_t back = GetBack(cursor);
Cursor result = MakeCursor(front, back);
return result;
}
struct Window {
uint64_t flags;
Rect2 rect_in_world_units;
@@ -155,7 +110,17 @@ void UpdateCursorsAfterEdit(Window *window, Array<Edit> edits) {
int64_t offset = insert_size - remove_size;
ForItem(cursor, window->cursors) {
if (edit.range.min <= cursor.range.min) {
if (edit.range.min == cursor.range.min) {
if (GetRangeSize(edit.range)) {
cursor.range.min += edit.string.len;
} else {
cursor.range.min += offset;
}
cursor.range.max = cursor.range.min;
} else if (edit.range.min <= cursor.range.min) {
if (GetRangeSize(edit.range)) {
cursor.range.min += edit.string.len;
}
cursor.range.min += offset;
cursor.range.max = cursor.range.min;
}
@@ -203,8 +168,10 @@ int main() {
}
window.cursors.add({});
int64_t pos = GetLine(window.buffer, 1).range.min;
window.cursors.add({pos, pos});
for (int i = 1; i < 10; i += 1) {
Line line = GetLine(window.buffer, i);
window.cursors.add({line.range.min, line.range.min});
}
windows.add(window);
}
@@ -227,9 +194,15 @@ int main() {
it.range.max = it.range.min = Seek(focused_window->buffer, it.range.min, ITERATE_BACKWARD);
} else {
if (IsKeyDown(KEY_LEFT_SHIFT)) {
it.range.min = MoveLeft(focused_window->buffer, it.range.min);
int64_t front = GetFront(it);
front = MoveLeft(focused_window->buffer, front);
it = ChangeFront(it, front);
} else {
it.range.max = it.range.min = MoveLeft(focused_window->buffer, it.range.min);
if (GetRangeSize(it.range) != 0) {
it.range.max = it.range.min;
} else {
it.range.max = it.range.min = MoveLeft(focused_window->buffer, it.range.min);
}
}
}
}
@@ -240,9 +213,15 @@ int main() {
it.range.max = it.range.min = Seek(focused_window->buffer, it.range.min, ITERATE_FORWARD);
} else {
if (IsKeyDown(KEY_LEFT_SHIFT)) {
it.range.max = MoveRight(focused_window->buffer, it.range.max);
int64_t front = GetFront(it);
front = MoveRight(focused_window->buffer, front);
it = ChangeFront(it, front);
} else {
it.range.max = it.range.min = MoveRight(focused_window->buffer, it.range.min);
if (GetRangeSize(it.range) != 0) {
it.range.min = it.range.max;
} else {
it.range.max = it.range.min = MoveRight(focused_window->buffer, it.range.min);
}
}
}
}