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Fix Gradient Editor bugs

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This commit is contained in:
VolTer 2022-12-25 05:23:02 +01:00
parent 1c5cfc4675
commit b7b4133429
1 changed files with 77 additions and 108 deletions
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185
editor/plugins/gradient_editor.cpp
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@ -52,12 +52,12 @@ void GradientEditor::reverse_gradient() {
int GradientEditor::_get_point_from_pos(int x) {
int result = -1;
int total_w = get_size().width - get_size().height - draw_spacing;
int total_w = get_size().width - get_size().height - draw_spacing - handle_width;
float min_distance = 1e20;
for (int i = 0; i < points.size(); i++) {
// Check if we clicked at point.
float distance = ABS(x - points[i].offset * total_w);
float min = (handle_width / 2 * 1.7); // Make it easier to grab.
float min = handle_width * 0.85; // Allow the mouse to be more than half a handle width away for ease of grabbing.
if (distance <= min && distance < min_distance) {
result = i;
min_distance = distance;
@ -198,40 +198,79 @@ void GradientEditor::gui_input(const Ref<InputEvent> &p_event) {
}
Ref<InputEventMouseButton> mb = p_event;
// Show color picker on double click.
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_double_click() && mb->is_pressed()) {
grabbed = _get_point_from_pos(mb->get_position().x);
_show_color_picker();
accept_event();
return;
}
// Delete point on right click.
if (mb.is_valid() && mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) {
grabbed = _get_point_from_pos(mb->get_position().x);
if (grabbed != -1) {
points.remove_at(grabbed);
grabbed = -1;
grabbing = false;
queue_redraw();
emit_signal(SNAME("ramp_changed"));
accept_event();
if (mb.is_valid() && mb->is_pressed()) {
float adjusted_mb_x = mb->get_position().x - handle_width / 2;
// Delete point on right click.
if (mb->get_button_index() == MouseButton::RIGHT) {
grabbed = _get_point_from_pos(adjusted_mb_x);
if (grabbed != -1) {
points.remove_at(grabbed);
grabbed = -1;
grabbing = false;
queue_redraw();
emit_signal(SNAME("ramp_changed"));
accept_event();
}
}
}
// Hold alt key to duplicate selected color.
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed() && mb->is_alt_pressed()) {
int x = mb->get_position().x;
grabbed = _get_point_from_pos(x);
// Hold Alt key to duplicate selected color.
if (mb->get_button_index() == MouseButton::LEFT && mb->is_alt_pressed()) {
grabbed = _get_point_from_pos(adjusted_mb_x);
if (grabbed != -1) {
int total_w = get_size().width - get_size().height - draw_spacing;
Gradient::Point new_point = points[grabbed];
new_point.offset = CLAMP(x / float(total_w), 0, 1);
if (grabbed != -1) {
int total_w = get_size().width - get_size().height - draw_spacing - handle_width;
Gradient::Point new_point = points[grabbed];
new_point.offset = CLAMP(adjusted_mb_x / float(total_w), 0, 1);
points.push_back(new_point);
points.sort();
for (int i = 0; i < points.size(); ++i) {
if (points[i].offset == new_point.offset) {
grabbed = i;
break;
}
}
emit_signal(SNAME("ramp_changed"));
queue_redraw();
}
}
// Select.
if (mb->get_button_index() == MouseButton::LEFT) {
queue_redraw();
int total_w = get_size().width - get_size().height - draw_spacing - handle_width;
// Check if color selector was clicked or ramp was double-clicked.
if (adjusted_mb_x > total_w + draw_spacing) {
if (!mb->is_double_click()) {
_show_color_picker();
}
return;
} else if (mb->is_double_click()) {
grabbed = _get_point_from_pos(adjusted_mb_x);
_show_color_picker();
accept_event();
return;
}
grabbing = true;
grabbed = _get_point_from_pos(adjusted_mb_x);
// Grab or select.
if (grabbed != -1) {
return;
}
// Insert point.
Gradient::Point new_point;
new_point.offset = CLAMP(adjusted_mb_x / float(total_w), 0, 1);
new_point.color = gradient->get_color_at_offset(new_point.offset);
points.push_back(new_point);
points.sort();
for (int i = 0; i < points.size(); ++i) {
for (int i = 0; i < points.size(); i++) {
if (points[i].offset == new_point.offset) {
grabbed = i;
break;
@ -239,77 +278,9 @@ void GradientEditor::gui_input(const Ref<InputEvent> &p_event) {
}
emit_signal(SNAME("ramp_changed"));
queue_redraw();
}
}
// Select.
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && mb->is_pressed()) {
queue_redraw();
int x = mb->get_position().x;
int total_w = get_size().width - get_size().height - draw_spacing;
//Check if color selector was clicked.
if (x > total_w + draw_spacing) {
_show_color_picker();
return;
}
grabbing = true;
grabbed = _get_point_from_pos(x);
//grab or select
if (grabbed != -1) {
return;
}
// Insert point.
Gradient::Point new_point;
new_point.offset = CLAMP(x / float(total_w), 0, 1);
Gradient::Point prev;
Gradient::Point next;
int pos = -1;
for (int i = 0; i < points.size(); i++) {
if (points[i].offset < new_point.offset) {
pos = i;
}
}
if (pos == -1) {
prev.color = Color(0, 0, 0);
prev.offset = 0;
if (points.size()) {
next = points[0];
} else {
next.color = Color(1, 1, 1);
next.offset = 1.0;
}
} else {
if (pos == points.size() - 1) {
next.color = Color(1, 1, 1);
next.offset = 1.0;
} else {
next = points[pos + 1];
}
prev = points[pos];
}
new_point.color = prev.color.lerp(next.color, (new_point.offset - prev.offset) / (next.offset - prev.offset));
points.push_back(new_point);
points.sort();
for (int i = 0; i < points.size(); i++) {
if (points[i].offset == new_point.offset) {
grabbed = i;
break;
}
}
emit_signal(SNAME("ramp_changed"));
}
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT && !mb->is_pressed()) {
if (grabbing) {
grabbing = false;
@ -321,18 +292,16 @@ void GradientEditor::gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && grabbing) {
int total_w = get_size().width - get_size().height - draw_spacing;
int x = mm->get_position().x;
float newofs = CLAMP(x / float(total_w), 0, 1);
float adjusted_mm_x = mm->get_position().x - handle_width / 2;
int total_w = get_size().width - get_size().height - draw_spacing - handle_width;
float newofs = CLAMP(adjusted_mm_x / float(total_w), 0, 1);
// Snap to "round" coordinates if holding Ctrl.
// Be more precise if holding Shift as well.
if (mm->is_ctrl_pressed()) {
newofs = Math::snapped(newofs, mm->is_shift_pressed() ? 0.025 : 0.1);
} else if (mm->is_shift_pressed()) {
// Snap to nearest point if holding just Shift
// Snap to nearest point if holding just Shift.
const float snap_threshold = 0.03;
float smallest_ofs = snap_threshold;
bool found = false;
@ -421,7 +390,7 @@ void GradientEditor::_notification(int p_what) {
// Draw borders around color ramp if in focus.
if (has_focus()) {
draw_rect(Rect2(handle_width / 2, 0, total_w, h), Color(1, 1, 1, 0.9), false);
draw_rect(Rect2(handle_width / 2, 0, total_w, h), Color(1, 1, 1, 0.9), false, 1);
}
// Draw point markers.
@ -432,18 +401,18 @@ void GradientEditor::_notification(int p_what) {
draw_line(Vector2(points[i].offset * total_w + handle_width / 2, 0), Vector2(points[i].offset * total_w + handle_width / 2, h / 2), col);
Rect2 rect = Rect2(points[i].offset * total_w, h / 2, handle_width, h / 2);
draw_rect(rect, points[i].color, true);
draw_rect(rect, col, false);
draw_rect(rect, col, false, 1);
if (grabbed == i) {
const Color focus_color = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
rect = rect.grow(-1);
if (has_focus()) {
draw_rect(rect, focus_color, false);
draw_rect(rect, focus_color, false, 1);
} else {
draw_rect(rect, focus_color.darkened(0.4), false);
draw_rect(rect, focus_color.darkened(0.4), false, 1);
}
rect = rect.grow(-1);
draw_rect(rect, col, false);
draw_rect(rect, col, false, 1);
}
}