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godot/editor/plugins/path_2d_editor_plugin.cpp
Rémi Verschelde fd6453c45e Revert "Remove NOTIFICATION_ENTER_TREE when paired with NOTIFICATION_THEME_CHANGED" 
This reverts commit 4b817a565c.

Fixes #64988.
Fixes #64997.

This caused several regressions (#64988, #64997,
https://github.com/godotengine/godot/issues/64997#issuecomment-1229970605)
which point at a flaw in the current logic:

- `Control::NOTIFICATION_ENTER_TREE` triggers a *deferred* notification with
  `NOTIFCATION_THEME_CHANGED` as introduced in #62845.
- Some classes use their `THEME_CHANGED` to cache theme items in
  member variables (e.g. `style_normal`, etc.), and use those member
  variables in `ENTER_TREE`, `READY`, `DRAW`, etc. Since the `THEME_CHANGE`
  notification is now deferred, they end up accessing invalid state and this
  can lead to not applying theme properly (e.g. for EditorHelp) or crashing
  (e.g. for EditorLog or CodeEdit).

So we need to go back to the drawing board and see if `THEME_CHANGED` can be
called earlier so that the previous logic still works?

Or can we refactor all engine code to make sure that:
- `ENTER_TREE` and similar do not depend on theme properties cached in member
  variables.
- Or `THEME_CHANGE` does trigger a general UI update to make sure that any
  bad theme handling in `ENTER_TREE` and co. gets fixed when `THEME_CHANGE`
  does arrive for the first time. But that means having a temporary invalid
  (and possibly still crashing) state, and doing some computations twice
  which might be heavy (e.g. `EditorHelp::_update_doc()`).
2022-08-29 11:11:29 +02:00

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/*************************************************************************/
/* path_2d_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "path_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "core/io/file_access.h"
#include "core/os/keyboard.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
void Path2DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
curve_edit->set_icon(get_theme_icon(SNAME("CurveEdit"), SNAME("EditorIcons")));
curve_edit_curve->set_icon(get_theme_icon(SNAME("CurveCurve"), SNAME("EditorIcons")));
curve_create->set_icon(get_theme_icon(SNAME("CurveCreate"), SNAME("EditorIcons")));
curve_del->set_icon(get_theme_icon(SNAME("CurveDelete"), SNAME("EditorIcons")));
curve_close->set_icon(get_theme_icon(SNAME("CurveClose"), SNAME("EditorIcons")));
} break;
}
}
void Path2DEditor::_node_removed(Node *p_node) {
if (p_node == node) {
node = nullptr;
hide();
}
}
bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
if (!node) {
return false;
}
if (!node->is_visible_in_tree()) {
return false;
}
if (!node->get_curve().is_valid()) {
return false;
}
real_t grab_threshold = EDITOR_GET("editors/polygon_editor/point_grab_radius");
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid()) {
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = mb->get_position();
Vector2 cpoint = node->to_local(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mb->get_position())));
if (mb->is_pressed() && action == ACTION_NONE) {
Ref<Curve2D> curve = node->get_curve();
for (int i = 0; i < curve->get_point_count(); i++) {
real_t dist_to_p = gpoint.distance_to(xform.xform(curve->get_point_position(i)));
real_t dist_to_p_out = gpoint.distance_to(xform.xform(curve->get_point_position(i) + curve->get_point_out(i)));
real_t dist_to_p_in = gpoint.distance_to(xform.xform(curve->get_point_position(i) + curve->get_point_in(i)));
// Check for point movement start (for point + in/out controls).
if (mb->get_button_index() == MouseButton::LEFT) {
if (mode == MODE_EDIT && !mb->is_shift_pressed() && dist_to_p < grab_threshold) {
// Points can only be moved in edit mode.
action = ACTION_MOVING_POINT;
action_point = i;
moving_from = curve->get_point_position(i);
moving_screen_from = gpoint;
return true;
} else if (mode == MODE_EDIT || mode == MODE_EDIT_CURVE) {
// In/out controls can be moved in multiple modes.
if (dist_to_p_out < grab_threshold && i < (curve->get_point_count() - 1)) {
action = ACTION_MOVING_OUT;
action_point = i;
moving_from = curve->get_point_out(i);
moving_screen_from = gpoint;
orig_in_length = curve->get_point_in(action_point).length();
return true;
} else if (dist_to_p_in < grab_threshold && i > 0) {
action = ACTION_MOVING_IN;
action_point = i;
moving_from = curve->get_point_in(i);
moving_screen_from = gpoint;
orig_out_length = curve->get_point_out(action_point).length();
return true;
}
}
}
// Check for point deletion.
if ((mb->get_button_index() == MouseButton::RIGHT && mode == MODE_EDIT) || (mb->get_button_index() == MouseButton::LEFT && mode == MODE_DELETE)) {
if (dist_to_p < grab_threshold) {
undo_redo->create_action(TTR("Remove Point from Curve"));
undo_redo->add_do_method(curve.ptr(), "remove_point", i);
undo_redo->add_undo_method(curve.ptr(), "add_point", curve->get_point_position(i), curve->get_point_in(i), curve->get_point_out(i), i);
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
return true;
} else if (dist_to_p_out < grab_threshold) {
undo_redo->create_action(TTR("Remove Out-Control from Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_out", i, Vector2());
undo_redo->add_undo_method(curve.ptr(), "set_point_out", i, curve->get_point_out(i));
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
return true;
} else if (dist_to_p_in < grab_threshold) {
undo_redo->create_action(TTR("Remove In-Control from Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_in", i, Vector2());
undo_redo->add_undo_method(curve.ptr(), "set_point_in", i, curve->get_point_in(i));
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
return true;
}
}
}
}
// Check for point creation.
if (mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT && ((mb->is_command_pressed() && mode == MODE_EDIT) || mode == MODE_CREATE)) {
Ref<Curve2D> curve = node->get_curve();
undo_redo->create_action(TTR("Add Point to Curve"));
undo_redo->add_do_method(curve.ptr(), "add_point", cpoint);
undo_redo->add_undo_method(curve.ptr(), "remove_point", curve->get_point_count());
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
action = ACTION_MOVING_POINT;
action_point = curve->get_point_count() - 1;
moving_from = curve->get_point_position(action_point);
moving_screen_from = gpoint;
canvas_item_editor->update_viewport();
return true;
}
// Check for segment split.
if (mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT && mode == MODE_EDIT && on_edge) {
Vector2 gpoint2 = mb->get_position();
Ref<Curve2D> curve = node->get_curve();
int insertion_point = -1;
float mbLength = curve->get_closest_offset(xform.affine_inverse().xform(gpoint2));
int len = curve->get_point_count();
for (int i = 0; i < len - 1; i++) {
float compareLength = curve->get_closest_offset(curve->get_point_position(i + 1));
if (mbLength >= curve->get_closest_offset(curve->get_point_position(i)) && mbLength <= compareLength) {
insertion_point = i;
}
}
if (insertion_point == -1) {
insertion_point = curve->get_point_count() - 2;
}
undo_redo->create_action(TTR("Split Curve"));
undo_redo->add_do_method(curve.ptr(), "add_point", xform.affine_inverse().xform(gpoint2), Vector2(0, 0), Vector2(0, 0), insertion_point + 1);
undo_redo->add_undo_method(curve.ptr(), "remove_point", insertion_point + 1);
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
action = ACTION_MOVING_POINT;
action_point = insertion_point + 1;
moving_from = curve->get_point_position(action_point);
moving_screen_from = gpoint2;
canvas_item_editor->update_viewport();
on_edge = false;
return true;
}
// Check for point movement completion.
if (!mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT && action != ACTION_NONE) {
Ref<Curve2D> curve = node->get_curve();
Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from);
switch (action) {
case ACTION_NONE:
// N/A, handled in above condition.
break;
case ACTION_MOVING_POINT: {
undo_redo->create_action(TTR("Move Point in Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_position", action_point, cpoint);
undo_redo->add_undo_method(curve.ptr(), "set_point_position", action_point, moving_from);
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
} break;
case ACTION_MOVING_IN: {
undo_redo->create_action(TTR("Move In-Control in Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_in", action_point, new_pos);
undo_redo->add_undo_method(curve.ptr(), "set_point_in", action_point, moving_from);
if (mirror_handle_angle) {
undo_redo->add_do_method(curve.ptr(), "set_point_out", action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_out_length));
undo_redo->add_undo_method(curve.ptr(), "set_point_out", action_point, mirror_handle_length ? -moving_from : (-moving_from.normalized() * orig_out_length));
}
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
} break;
case ACTION_MOVING_OUT: {
undo_redo->create_action(TTR("Move Out-Control in Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_out", action_point, new_pos);
undo_redo->add_undo_method(curve.ptr(), "set_point_out", action_point, moving_from);
if (mirror_handle_angle) {
undo_redo->add_do_method(curve.ptr(), "set_point_in", action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_in_length));
undo_redo->add_undo_method(curve.ptr(), "set_point_in", action_point, mirror_handle_length ? -moving_from : (-moving_from.normalized() * orig_in_length));
}
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
} break;
}
action = ACTION_NONE;
return true;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (action == ACTION_NONE && mode == MODE_EDIT) {
// Handle Edge Follow
bool old_edge = on_edge;
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = mm->get_position();
Ref<Curve2D> curve = node->get_curve();
if (curve == nullptr) {
return true;
}
if (curve->get_point_count() < 2) {
return true;
}
// Find edge
edge_point = xform.xform(curve->get_closest_point(xform.affine_inverse().xform(mm->get_position())));
on_edge = false;
if (edge_point.distance_to(gpoint) <= grab_threshold) {
on_edge = true;
}
// However, if near a control point or its in-out handles then not on edge
int len = curve->get_point_count();
for (int i = 0; i < len; i++) {
Vector2 pp = curve->get_point_position(i);
Vector2 p = xform.xform(pp);
if (p.distance_to(gpoint) <= grab_threshold) {
on_edge = false;
break;
}
p = xform.xform(pp + curve->get_point_in(i));
if (p.distance_to(gpoint) <= grab_threshold) {
on_edge = false;
break;
}
p = xform.xform(pp + curve->get_point_out(i));
if (p.distance_to(gpoint) <= grab_threshold) {
on_edge = false;
break;
}
}
if (on_edge || old_edge != on_edge) {
canvas_item_editor->update_viewport();
return true;
}
}
if (action != ACTION_NONE) {
// Handle point/control movement.
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = mm->get_position();
Vector2 cpoint = node->get_global_transform().affine_inverse().xform(canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position())));
Ref<Curve2D> curve = node->get_curve();
Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from);
switch (action) {
case ACTION_NONE:
// N/A, handled in above condition.
break;
case ACTION_MOVING_POINT: {
curve->set_point_position(action_point, cpoint);
} break;
case ACTION_MOVING_IN: {
curve->set_point_in(action_point, new_pos);
if (mirror_handle_angle) {
curve->set_point_out(action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_out_length));
}
} break;
case ACTION_MOVING_OUT: {
curve->set_point_out(action_point, new_pos);
if (mirror_handle_angle) {
curve->set_point_in(action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_in_length));
}
} break;
}
canvas_item_editor->update_viewport();
return true;
}
}
return false;
}
void Path2DEditor::forward_canvas_draw_over_viewport(Control *p_overlay) {
if (!node || !node->is_visible_in_tree() || !node->get_curve().is_valid()) {
return;
}
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
const Ref<Texture2D> path_sharp_handle = get_theme_icon(SNAME("EditorPathSharpHandle"), SNAME("EditorIcons"));
const Ref<Texture2D> path_smooth_handle = get_theme_icon(SNAME("EditorPathSmoothHandle"), SNAME("EditorIcons"));
// Both handle icons must be of the same size
const Size2 handle_size = path_sharp_handle->get_size();
const Ref<Texture2D> curve_handle = get_theme_icon(SNAME("EditorCurveHandle"), SNAME("EditorIcons"));
const Size2 curve_handle_size = curve_handle->get_size();
Ref<Curve2D> curve = node->get_curve();
int len = curve->get_point_count();
Control *vpc = canvas_item_editor->get_viewport_control();
for (int i = 0; i < len; i++) {
Vector2 point = xform.xform(curve->get_point_position(i));
// Determines the point icon to be used
bool smooth = false;
if (i < len - 1) {
Vector2 pointout = xform.xform(curve->get_point_position(i) + curve->get_point_out(i));
if (point != pointout) {
smooth = true;
// Draw the line with a dark and light color to be visible on all backgrounds
vpc->draw_line(point, pointout, Color(0, 0, 0, 0.5), Math::round(EDSCALE));
vpc->draw_line(point, pointout, Color(1, 1, 1, 0.5), Math::round(EDSCALE));
vpc->draw_texture_rect(curve_handle, Rect2(pointout - curve_handle_size * 0.5, curve_handle_size), false, Color(1, 1, 1, 0.75));
}
}
if (i > 0) {
Vector2 pointin = xform.xform(curve->get_point_position(i) + curve->get_point_in(i));
if (point != pointin) {
smooth = true;
// Draw the line with a dark and light color to be visible on all backgrounds
vpc->draw_line(point, pointin, Color(0, 0, 0, 0.5), Math::round(EDSCALE));
vpc->draw_line(point, pointin, Color(1, 1, 1, 0.5), Math::round(EDSCALE));
vpc->draw_texture_rect(curve_handle, Rect2(pointin - curve_handle_size * 0.5, curve_handle_size), false, Color(1, 1, 1, 0.75));
}
}
vpc->draw_texture_rect(
smooth ? path_smooth_handle : path_sharp_handle,
Rect2(point - handle_size * 0.5, handle_size),
false);
}
if (on_edge) {
Ref<Texture2D> add_handle = get_theme_icon(SNAME("EditorHandleAdd"), SNAME("EditorIcons"));
p_overlay->draw_texture(add_handle, edge_point - add_handle->get_size() * 0.5);
}
}
void Path2DEditor::_node_visibility_changed() {
if (!node) {
return;
}
canvas_item_editor->update_viewport();
}
void Path2DEditor::edit(Node *p_path2d) {
if (!canvas_item_editor) {
canvas_item_editor = CanvasItemEditor::get_singleton();
}
if (p_path2d) {
node = Object::cast_to<Path2D>(p_path2d);
if (!node->is_connected("visibility_changed", callable_mp(this, &Path2DEditor::_node_visibility_changed))) {
node->connect("visibility_changed", callable_mp(this, &Path2DEditor::_node_visibility_changed));
}
} else {
// node may have been deleted at this point
if (node && node->is_connected("visibility_changed", callable_mp(this, &Path2DEditor::_node_visibility_changed))) {
node->disconnect("visibility_changed", callable_mp(this, &Path2DEditor::_node_visibility_changed));
}
node = nullptr;
}
}
void Path2DEditor::_bind_methods() {
//ClassDB::bind_method(D_METHOD("_menu_option"),&Path2DEditor::_menu_option);
}
void Path2DEditor::_mode_selected(int p_mode) {
if (p_mode == MODE_CREATE) {
curve_create->set_pressed(true);
curve_edit->set_pressed(false);
curve_edit_curve->set_pressed(false);
curve_del->set_pressed(false);
} else if (p_mode == MODE_EDIT) {
curve_create->set_pressed(false);
curve_edit->set_pressed(true);
curve_edit_curve->set_pressed(false);
curve_del->set_pressed(false);
} else if (p_mode == MODE_EDIT_CURVE) {
curve_create->set_pressed(false);
curve_edit->set_pressed(false);
curve_edit_curve->set_pressed(true);
curve_del->set_pressed(false);
} else if (p_mode == MODE_DELETE) {
curve_create->set_pressed(false);
curve_edit->set_pressed(false);
curve_edit_curve->set_pressed(false);
curve_del->set_pressed(true);
} else if (p_mode == ACTION_CLOSE) {
//?
if (!node->get_curve().is_valid()) {
return;
}
if (node->get_curve()->get_point_count() < 3) {
return;
}
Vector2 begin = node->get_curve()->get_point_position(0);
Vector2 end = node->get_curve()->get_point_position(node->get_curve()->get_point_count() - 1);
if (begin.is_equal_approx(end)) {
return;
}
undo_redo->create_action(TTR("Remove Point from Curve"));
undo_redo->add_do_method(node->get_curve().ptr(), "add_point", begin);
undo_redo->add_undo_method(node->get_curve().ptr(), "remove_point", node->get_curve()->get_point_count());
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
undo_redo->commit_action();
return;
}
mode = Mode(p_mode);
}
void Path2DEditor::_handle_option_pressed(int p_option) {
PopupMenu *pm;
pm = handle_menu->get_popup();
switch (p_option) {
case HANDLE_OPTION_ANGLE: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_ANGLE);
mirror_handle_angle = !is_checked;
pm->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
pm->set_item_disabled(HANDLE_OPTION_LENGTH, !mirror_handle_angle);
} break;
case HANDLE_OPTION_LENGTH: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_LENGTH);
mirror_handle_length = !is_checked;
pm->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
} break;
}
}
Path2DEditor::Path2DEditor() {
canvas_item_editor = nullptr;
undo_redo = EditorNode::get_singleton()->get_undo_redo();
mirror_handle_angle = true;
mirror_handle_length = true;
on_edge = false;
mode = MODE_EDIT;
action = ACTION_NONE;
base_hb = memnew(HBoxContainer);
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb);
sep = memnew(VSeparator);
base_hb->add_child(sep);
curve_edit = memnew(Button);
curve_edit->set_flat(true);
curve_edit->set_toggle_mode(true);
curve_edit->set_focus_mode(Control::FOCUS_NONE);
curve_edit->set_tooltip_text(TTR("Select Points") + "\n" + TTR("Shift+Drag: Select Control Points") + "\n" + keycode_get_string((Key)KeyModifierMask::CMD) + TTR("Click: Add Point") + "\n" + TTR("Left Click: Split Segment (in curve)") + "\n" + TTR("Right Click: Delete Point"));
curve_edit->connect("pressed", callable_mp(this, &Path2DEditor::_mode_selected).bind(MODE_EDIT));
base_hb->add_child(curve_edit);
curve_edit_curve = memnew(Button);
curve_edit_curve->set_flat(true);
curve_edit_curve->set_toggle_mode(true);
curve_edit_curve->set_focus_mode(Control::FOCUS_NONE);
curve_edit_curve->set_tooltip_text(TTR("Select Control Points (Shift+Drag)"));
curve_edit_curve->connect("pressed", callable_mp(this, &Path2DEditor::_mode_selected).bind(MODE_EDIT_CURVE));
base_hb->add_child(curve_edit_curve);
curve_create = memnew(Button);
curve_create->set_flat(true);
curve_create->set_toggle_mode(true);
curve_create->set_focus_mode(Control::FOCUS_NONE);
curve_create->set_tooltip_text(TTR("Add Point (in empty space)"));
curve_create->connect("pressed", callable_mp(this, &Path2DEditor::_mode_selected).bind(MODE_CREATE));
base_hb->add_child(curve_create);
curve_del = memnew(Button);
curve_del->set_flat(true);
curve_del->set_toggle_mode(true);
curve_del->set_focus_mode(Control::FOCUS_NONE);
curve_del->set_tooltip_text(TTR("Delete Point"));
curve_del->connect("pressed", callable_mp(this, &Path2DEditor::_mode_selected).bind(MODE_DELETE));
base_hb->add_child(curve_del);
curve_close = memnew(Button);
curve_close->set_flat(true);
curve_close->set_focus_mode(Control::FOCUS_NONE);
curve_close->set_tooltip_text(TTR("Close Curve"));
curve_close->connect("pressed", callable_mp(this, &Path2DEditor::_mode_selected).bind(ACTION_CLOSE));
base_hb->add_child(curve_close);
PopupMenu *menu;
handle_menu = memnew(MenuButton);
handle_menu->set_text(TTR("Options"));
base_hb->add_child(handle_menu);
menu = handle_menu->get_popup();
menu->add_check_item(TTR("Mirror Handle Angles"));
menu->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
menu->add_check_item(TTR("Mirror Handle Lengths"));
menu->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
menu->connect("id_pressed", callable_mp(this, &Path2DEditor::_handle_option_pressed));
base_hb->hide();
curve_edit->set_pressed(true);
}
void Path2DEditorPlugin::edit(Object *p_object) {
path2d_editor->edit(Object::cast_to<Node>(p_object));
}
bool Path2DEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Path2D");
}
void Path2DEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
path2d_editor->show();
path2d_editor->base_hb->show();
} else {
path2d_editor->hide();
path2d_editor->base_hb->hide();
path2d_editor->edit(nullptr);
}
}
Path2DEditorPlugin::Path2DEditorPlugin() {
path2d_editor = memnew(Path2DEditor);
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(path2d_editor);
path2d_editor->hide();
}
Path2DEditorPlugin::~Path2DEditorPlugin() {
}
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