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control.cpp
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control.cpp
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/*************************************************************************/
/* control.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 "control.h"
#include "core/message_queue.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/print_string.h"
#include "core/project_settings.h"
#include "scene/gui/label.h"
#include "scene/gui/panel.h"
#include "scene/main/canvas_layer.h"
#include "scene/main/viewport.h"
#include "scene/scene_string_names.h"
#include "servers/visual_server.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_settings.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#endif
#ifdef TOOLS_ENABLED
Dictionary Control::_edit_get_state() const {
Dictionary s;
s["rotation"] = get_rotation();
s["scale"] = get_scale();
s["pivot"] = get_pivot_offset();
Array anchors;
anchors.push_back(get_anchor(MARGIN_LEFT));
anchors.push_back(get_anchor(MARGIN_TOP));
anchors.push_back(get_anchor(MARGIN_RIGHT));
anchors.push_back(get_anchor(MARGIN_BOTTOM));
s["anchors"] = anchors;
Array margins;
margins.push_back(get_margin(MARGIN_LEFT));
margins.push_back(get_margin(MARGIN_TOP));
margins.push_back(get_margin(MARGIN_RIGHT));
margins.push_back(get_margin(MARGIN_BOTTOM));
s["margins"] = margins;
return s;
}
void Control::_edit_set_state(const Dictionary &p_state) {
Dictionary state = p_state;
set_rotation(state["rotation"]);
set_scale(state["scale"]);
set_pivot_offset(state["pivot"]);
Array anchors = state["anchors"];
data.anchor[MARGIN_LEFT] = anchors[0];
data.anchor[MARGIN_TOP] = anchors[1];
data.anchor[MARGIN_RIGHT] = anchors[2];
data.anchor[MARGIN_BOTTOM] = anchors[3];
Array margins = state["margins"];
data.margin[MARGIN_LEFT] = margins[0];
data.margin[MARGIN_TOP] = margins[1];
data.margin[MARGIN_RIGHT] = margins[2];
data.margin[MARGIN_BOTTOM] = margins[3];
_size_changed();
}
void Control::_edit_set_position(const Point2 &p_position) {
#ifdef TOOLS_ENABLED
set_position(p_position, CanvasItemEditor::get_singleton()->is_anchors_mode_enabled());
#else
// Unlikely to happen. TODO: enclose all _edit_ functions into TOOLS_ENABLED
set_position(p_position);
#endif
};
Point2 Control::_edit_get_position() const {
return get_position();
};
void Control::_edit_set_scale(const Size2 &p_scale) {
set_scale(p_scale);
}
Size2 Control::_edit_get_scale() const {
return data.scale;
}
void Control::_edit_set_rect(const Rect2 &p_edit_rect) {
#ifdef TOOLS_ENABLED
set_position((get_position() + get_transform().basis_xform(p_edit_rect.position)).snapped(Vector2(1, 1)), CanvasItemEditor::get_singleton()->is_anchors_mode_enabled());
set_size(p_edit_rect.size.snapped(Vector2(1, 1)), CanvasItemEditor::get_singleton()->is_anchors_mode_enabled());
#else
// Unlikely to happen. TODO: enclose all _edit_ functions into TOOLS_ENABLED
set_position((get_position() + get_transform().basis_xform(p_edit_rect.position)).snapped(Vector2(1, 1)));
set_size(p_edit_rect.size.snapped(Vector2(1, 1)));
#endif
}
Rect2 Control::_edit_get_rect() const {
return Rect2(Point2(), get_size());
}
bool Control::_edit_use_rect() const {
return true;
}
void Control::_edit_set_rotation(float p_rotation) {
set_rotation(p_rotation);
}
float Control::_edit_get_rotation() const {
return get_rotation();
}
bool Control::_edit_use_rotation() const {
return true;
}
void Control::_edit_set_pivot(const Point2 &p_pivot) {
Vector2 delta_pivot = p_pivot - get_pivot_offset();
Vector2 move = Vector2((cos(data.rotation) - 1.0) * delta_pivot.x - sin(data.rotation) * delta_pivot.y, sin(data.rotation) * delta_pivot.x + (cos(data.rotation) - 1.0) * delta_pivot.y);
set_position(get_position() + move);
set_pivot_offset(p_pivot);
}
Point2 Control::_edit_get_pivot() const {
return get_pivot_offset();
}
bool Control::_edit_use_pivot() const {
return true;
}
Size2 Control::_edit_get_minimum_size() const {
return get_combined_minimum_size();
}
#endif
void Control::set_custom_minimum_size(const Size2 &p_custom) {
if (p_custom == data.custom_minimum_size)
return;
data.custom_minimum_size = p_custom;
minimum_size_changed();
}
Size2 Control::get_custom_minimum_size() const {
return data.custom_minimum_size;
}
void Control::_update_minimum_size_cache() {
Size2 minsize = get_minimum_size();
minsize.x = MAX(minsize.x, data.custom_minimum_size.x);
minsize.y = MAX(minsize.y, data.custom_minimum_size.y);
bool size_changed = false;
if (data.minimum_size_cache != minsize)
size_changed = true;
data.minimum_size_cache = minsize;
data.minimum_size_valid = true;
if (size_changed)
minimum_size_changed();
}
Size2 Control::get_combined_minimum_size() const {
if (!data.minimum_size_valid) {
const_cast<Control *>(this)->_update_minimum_size_cache();
}
return data.minimum_size_cache;
}
Transform2D Control::_get_internal_transform() const {
Transform2D rot_scale;
rot_scale.set_rotation_and_scale(data.rotation, data.scale);
Transform2D offset;
offset.set_origin(-data.pivot_offset);
return offset.affine_inverse() * (rot_scale * offset);
}
bool Control::_set(const StringName &p_name, const Variant &p_value) {
String name = p_name;
if (!name.begins_with("custom")) {
return false;
}
if (p_value.get_type() == Variant::NIL) {
if (name.begins_with("custom_icons/")) {
String dname = name.get_slicec('/', 1);
if (data.icon_override.has(dname)) {
data.icon_override[dname]->disconnect("changed", this, "_override_changed");
}
data.icon_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else if (name.begins_with("custom_shaders/")) {
String dname = name.get_slicec('/', 1);
if (data.shader_override.has(dname)) {
data.shader_override[dname]->disconnect("changed", this, "_override_changed");
}
data.shader_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else if (name.begins_with("custom_styles/")) {
String dname = name.get_slicec('/', 1);
if (data.style_override.has(dname)) {
data.style_override[dname]->disconnect("changed", this, "_override_changed");
}
data.style_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else if (name.begins_with("custom_fonts/")) {
String dname = name.get_slicec('/', 1);
if (data.font_override.has(dname)) {
data.font_override[dname]->disconnect("changed", this, "_override_changed");
}
data.font_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else if (name.begins_with("custom_colors/")) {
String dname = name.get_slicec('/', 1);
data.color_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else if (name.begins_with("custom_constants/")) {
String dname = name.get_slicec('/', 1);
data.constant_override.erase(dname);
notification(NOTIFICATION_THEME_CHANGED);
} else
return false;
} else {
if (name.begins_with("custom_icons/")) {
String dname = name.get_slicec('/', 1);
add_icon_override(dname, p_value);
} else if (name.begins_with("custom_shaders/")) {
String dname = name.get_slicec('/', 1);
add_shader_override(dname, p_value);
} else if (name.begins_with("custom_styles/")) {
String dname = name.get_slicec('/', 1);
add_style_override(dname, p_value);
} else if (name.begins_with("custom_fonts/")) {
String dname = name.get_slicec('/', 1);
add_font_override(dname, p_value);
} else if (name.begins_with("custom_colors/")) {
String dname = name.get_slicec('/', 1);
add_color_override(dname, p_value);
} else if (name.begins_with("custom_constants/")) {
String dname = name.get_slicec('/', 1);
add_constant_override(dname, p_value);
} else
return false;
}
return true;
}
void Control::_update_minimum_size() {
if (!is_inside_tree())
return;
Size2 minsize = get_combined_minimum_size();
if (minsize.x > data.size_cache.x ||
minsize.y > data.size_cache.y) {
_size_changed();
}
data.updating_last_minimum_size = false;
if (minsize != data.last_minimum_size) {
data.last_minimum_size = minsize;
emit_signal(SceneStringNames::get_singleton()->minimum_size_changed);
}
}
bool Control::_get(const StringName &p_name, Variant &r_ret) const {
String sname = p_name;
if (!sname.begins_with("custom")) {
return false;
}
if (sname.begins_with("custom_icons/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.icon_override.has(name) ? Variant(data.icon_override[name]) : Variant();
} else if (sname.begins_with("custom_shaders/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.shader_override.has(name) ? Variant(data.shader_override[name]) : Variant();
} else if (sname.begins_with("custom_styles/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.style_override.has(name) ? Variant(data.style_override[name]) : Variant();
} else if (sname.begins_with("custom_fonts/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.font_override.has(name) ? Variant(data.font_override[name]) : Variant();
} else if (sname.begins_with("custom_colors/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.color_override.has(name) ? Variant(data.color_override[name]) : Variant();
} else if (sname.begins_with("custom_constants/")) {
String name = sname.get_slicec('/', 1);
r_ret = data.constant_override.has(name) ? Variant(data.constant_override[name]) : Variant();
} else
return false;
return true;
}
void Control::_get_property_list(List<PropertyInfo> *p_list) const {
Ref<Theme> theme = Theme::get_default();
/* Using the default theme since the properties below are meant for editor only
if (data.theme.is_valid()) {
theme = data.theme;
} else {
theme = Theme::get_default();
}*/
{
List<StringName> names;
theme->get_icon_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.icon_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::OBJECT, "custom_icons/" + E->get(), PROPERTY_HINT_RESOURCE_TYPE, "Texture", hint));
}
}
{
List<StringName> names;
theme->get_shader_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.shader_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::OBJECT, "custom_shaders/" + E->get(), PROPERTY_HINT_RESOURCE_TYPE, "Shader,VisualShader", hint));
}
}
{
List<StringName> names;
theme->get_stylebox_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.style_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::OBJECT, "custom_styles/" + E->get(), PROPERTY_HINT_RESOURCE_TYPE, "StyleBox", hint));
}
}
{
List<StringName> names;
theme->get_font_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.font_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::OBJECT, "custom_fonts/" + E->get(), PROPERTY_HINT_RESOURCE_TYPE, "Font", hint));
}
}
{
List<StringName> names;
theme->get_color_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.color_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::COLOR, "custom_colors/" + E->get(), PROPERTY_HINT_NONE, "", hint));
}
}
{
List<StringName> names;
theme->get_constant_list(get_class_name(), &names);
for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
uint32_t hint = PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_CHECKABLE;
if (data.constant_override.has(E->get()))
hint |= PROPERTY_USAGE_STORAGE | PROPERTY_USAGE_CHECKED;
p_list->push_back(PropertyInfo(Variant::INT, "custom_constants/" + E->get(), PROPERTY_HINT_RANGE, "-16384,16384", hint));
}
}
}
Control *Control::get_parent_control() const {
return data.parent;
}
void Control::_resize(const Size2 &p_size) {
_size_changed();
}
//moved theme configuration here, so controls can set up even if still not inside active scene
void Control::add_child_notify(Node *p_child) {
Control *child_c = Object::cast_to<Control>(p_child);
if (!child_c)
return;
if (child_c->data.theme.is_null() && data.theme_owner) {
_propagate_theme_changed(child_c, data.theme_owner); //need to propagate here, since many controls may require setting up stuff
}
}
void Control::remove_child_notify(Node *p_child) {
Control *child_c = Object::cast_to<Control>(p_child);
if (!child_c)
return;
if (child_c->data.theme_owner && child_c->data.theme.is_null()) {
_propagate_theme_changed(child_c, NULL);
}
}
void Control::_update_canvas_item_transform() {
Transform2D xform = _get_internal_transform();
xform[2] += get_position();
// We use a little workaround to avoid flickering when moving the pivot with _edit_set_pivot()
if (is_inside_tree() && Math::abs(Math::sin(data.rotation * 4.0f)) < 0.00001f && get_viewport()->is_snap_controls_to_pixels_enabled()) {
xform[2] = xform[2].round();
}
VisualServer::get_singleton()->canvas_item_set_transform(get_canvas_item(), xform);
}
void Control::_notification(int p_notification) {
switch (p_notification) {
case NOTIFICATION_ENTER_TREE: {
} break;
case NOTIFICATION_POST_ENTER_TREE: {
data.minimum_size_valid = false;
_size_changed();
} break;
case NOTIFICATION_EXIT_TREE: {
get_viewport()->_gui_remove_control(this);
} break;
case NOTIFICATION_ENTER_CANVAS: {
data.parent = Object::cast_to<Control>(get_parent());
if (is_set_as_toplevel()) {
data.SI = get_viewport()->_gui_add_subwindow_control(this);
if (data.theme.is_null() && data.parent && data.parent->data.theme_owner) {
data.theme_owner = data.parent->data.theme_owner;
notification(NOTIFICATION_THEME_CHANGED);
}
} else {
Node *parent = this; //meh
Control *parent_control = NULL;
bool subwindow = false;
while (parent) {
parent = parent->get_parent();
if (!parent)
break;
CanvasItem *ci = Object::cast_to<CanvasItem>(parent);
if (ci && ci->is_set_as_toplevel()) {
subwindow = true;
break;
}
parent_control = Object::cast_to<Control>(parent);
if (parent_control) {
break;
} else if (ci) {
} else {
break;
}
}
if (parent_control) {
//do nothing, has a parent control
if (data.theme.is_null() && parent_control->data.theme_owner) {
data.theme_owner = parent_control->data.theme_owner;
notification(NOTIFICATION_THEME_CHANGED);
}
} else if (subwindow) {
//is a subwindow (process input before other controls for that canvas)
data.SI = get_viewport()->_gui_add_subwindow_control(this);
} else {
//is a regular root control
data.RI = get_viewport()->_gui_add_root_control(this);
}
data.parent_canvas_item = get_parent_item();
if (data.parent_canvas_item) {
data.parent_canvas_item->connect("item_rect_changed", this, "_size_changed");
} else {
//connect viewport
get_viewport()->connect("size_changed", this, "_size_changed");
}
}
/*
if (data.theme.is_null() && data.parent && data.parent->data.theme_owner) {
data.theme_owner=data.parent->data.theme_owner;
notification(NOTIFICATION_THEME_CHANGED);
}
*/
} break;
case NOTIFICATION_EXIT_CANVAS: {
if (data.parent_canvas_item) {
data.parent_canvas_item->disconnect("item_rect_changed", this, "_size_changed");
data.parent_canvas_item = NULL;
} else if (!is_set_as_toplevel()) {
//disconnect viewport
get_viewport()->disconnect("size_changed", this, "_size_changed");
}
if (data.MI) {
get_viewport()->_gui_remove_modal_control(data.MI);
data.MI = NULL;
}
if (data.SI) {
get_viewport()->_gui_remove_subwindow_control(data.SI);
data.SI = NULL;
}
if (data.RI) {
get_viewport()->_gui_remove_root_control(data.RI);
data.RI = NULL;
}
data.parent = NULL;
data.parent_canvas_item = NULL;
/*
if (data.theme_owner && data.theme.is_null()) {
data.theme_owner=NULL;
notification(NOTIFICATION_THEME_CHANGED);
}
*/
} break;
case NOTIFICATION_MOVED_IN_PARENT: {
// some parents need to know the order of the childrens to draw (like TabContainer)
// update if necessary
if (data.parent)
data.parent->update();
update();
if (data.SI) {
get_viewport()->_gui_set_subwindow_order_dirty();
}
if (data.RI) {
get_viewport()->_gui_set_root_order_dirty();
}
} break;
case NOTIFICATION_RESIZED: {
emit_signal(SceneStringNames::get_singleton()->resized);
} break;
case NOTIFICATION_DRAW: {
_update_canvas_item_transform();
VisualServer::get_singleton()->canvas_item_set_custom_rect(get_canvas_item(), !data.disable_visibility_clip, Rect2(Point2(), get_size()));
VisualServer::get_singleton()->canvas_item_set_clip(get_canvas_item(), data.clip_contents);
//emit_signal(SceneStringNames::get_singleton()->draw);
} break;
case NOTIFICATION_MOUSE_ENTER: {
emit_signal(SceneStringNames::get_singleton()->mouse_entered);
} break;
case NOTIFICATION_MOUSE_EXIT: {
emit_signal(SceneStringNames::get_singleton()->mouse_exited);
} break;
case NOTIFICATION_FOCUS_ENTER: {
emit_signal(SceneStringNames::get_singleton()->focus_entered);
update();
} break;
case NOTIFICATION_FOCUS_EXIT: {
emit_signal(SceneStringNames::get_singleton()->focus_exited);
update();
} break;
case NOTIFICATION_THEME_CHANGED: {
minimum_size_changed();
update();
} break;
case NOTIFICATION_MODAL_CLOSE: {
emit_signal("modal_closed");
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
if (!is_visible_in_tree()) {
if (get_viewport() != NULL)
get_viewport()->_gui_hid_control(this);
if (is_inside_tree()) {
_modal_stack_remove();
}
//remove key focus
//remove modalness
} else {
data.minimum_size_valid = false;
_size_changed();
}
} break;
case SceneTree::NOTIFICATION_WM_UNFOCUS_REQUEST: {
get_viewport()->_gui_unfocus_control(this);
} break;
}
}
bool Control::clips_input() const {
if (get_script_instance()) {
return get_script_instance()->call(SceneStringNames::get_singleton()->_clips_input);
}
return false;
}
bool Control::has_point(const Point2 &p_point) const {
if (get_script_instance()) {
Variant v = p_point;
const Variant *p = &v;
Variant::CallError ce;
Variant ret = get_script_instance()->call(SceneStringNames::get_singleton()->has_point, &p, 1, ce);
if (ce.error == Variant::CallError::CALL_OK) {
return ret;
}
}
/*if (has_stylebox("mask")) {
Ref<StyleBox> mask = get_stylebox("mask");
return mask->test_mask(p_point,Rect2(Point2(),get_size()));
}*/
return Rect2(Point2(), get_size()).has_point(p_point);
}
void Control::set_drag_forwarding(Control *p_target) {
if (p_target)
data.drag_owner = p_target->get_instance_id();
else
data.drag_owner = 0;
}
Variant Control::get_drag_data(const Point2 &p_point) {
if (data.drag_owner) {
Object *obj = ObjectDB::get_instance(data.drag_owner);
if (obj) {
Control *c = Object::cast_to<Control>(obj);
return c->call("get_drag_data_fw", p_point, this);
}
}
if (get_script_instance()) {
Variant v = p_point;
const Variant *p = &v;
Variant::CallError ce;
Variant ret = get_script_instance()->call(SceneStringNames::get_singleton()->get_drag_data, &p, 1, ce);
if (ce.error == Variant::CallError::CALL_OK)
return ret;
}
return Variant();
}
bool Control::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
if (data.drag_owner) {
Object *obj = ObjectDB::get_instance(data.drag_owner);
if (obj) {
Control *c = Object::cast_to<Control>(obj);
return c->call("can_drop_data_fw", p_point, p_data, this);
}
}
if (get_script_instance()) {
Variant v = p_point;
const Variant *p[2] = { &v, &p_data };
Variant::CallError ce;
Variant ret = get_script_instance()->call(SceneStringNames::get_singleton()->can_drop_data, p, 2, ce);
if (ce.error == Variant::CallError::CALL_OK)
return ret;
}
return Variant();
}
void Control::drop_data(const Point2 &p_point, const Variant &p_data) {
if (data.drag_owner) {
Object *obj = ObjectDB::get_instance(data.drag_owner);
if (obj) {
Control *c = Object::cast_to<Control>(obj);
c->call("drop_data_fw", p_point, p_data, this);
return;
}
}
if (get_script_instance()) {
Variant v = p_point;
const Variant *p[2] = { &v, &p_data };
Variant::CallError ce;
Variant ret = get_script_instance()->call(SceneStringNames::get_singleton()->drop_data, p, 2, ce);
if (ce.error == Variant::CallError::CALL_OK)
return;
}
}
void Control::force_drag(const Variant &p_data, Control *p_control) {
ERR_FAIL_COND(!is_inside_tree());
ERR_FAIL_COND(p_data.get_type() == Variant::NIL);
get_viewport()->_gui_force_drag(this, p_data, p_control);
}
void Control::set_drag_preview(Control *p_control) {
ERR_FAIL_COND(!is_inside_tree());
ERR_FAIL_COND(!get_viewport()->gui_is_dragging());
get_viewport()->_gui_set_drag_preview(this, p_control);
}
bool Control::is_window_modal_on_top() const {
if (!is_inside_tree())
return false;
return get_viewport()->_gui_is_modal_on_top(this);
}
uint64_t Control::get_modal_frame() const {
return data.modal_frame;
}
Size2 Control::get_minimum_size() const {
ScriptInstance *si = const_cast<Control *>(this)->get_script_instance();
if (si) {
Variant::CallError ce;
Variant s = si->call(SceneStringNames::get_singleton()->_get_minimum_size, NULL, 0, ce);
if (ce.error == Variant::CallError::CALL_OK)
return s;
}
return Size2();
}
Ref<Texture> Control::get_icon(const StringName &p_name, const StringName &p_node_type) const {
if (p_node_type == StringName() || p_node_type == get_class_name()) {
const Ref<Texture> *tex = data.icon_override.getptr(p_name);
if (tex)
return *tex;
}
StringName type = p_node_type ? p_node_type : get_class_name();
// try with custom themes
Control *theme_owner = data.theme_owner;
while (theme_owner) {
StringName class_name = type;
while (class_name != StringName()) {
if (theme_owner->data.theme->has_icon(p_name, class_name)) {
return theme_owner->data.theme->get_icon(p_name, class_name);
}
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
Control *parent = Object::cast_to<Control>(theme_owner->get_parent());
if (parent)
theme_owner = parent->data.theme_owner;
else
theme_owner = NULL;
}
if (Theme::get_project_default().is_valid()) {
if (Theme::get_project_default()->has_icon(p_name, type)) {
return Theme::get_project_default()->get_icon(p_name, type);
}
}
return Theme::get_default()->get_icon(p_name, type);
}
Ref<Shader> Control::get_shader(const StringName &p_name, const StringName &p_node_type) const {
if (p_node_type == StringName() || p_node_type == get_class_name()) {
const Ref<Shader> *sdr = data.shader_override.getptr(p_name);
if (sdr)
return *sdr;
}
StringName type = p_node_type ? p_node_type : get_class_name();
// try with custom themes
Control *theme_owner = data.theme_owner;
while (theme_owner) {
StringName class_name = type;
while (class_name != StringName()) {
if (theme_owner->data.theme->has_shader(p_name, class_name)) {
return theme_owner->data.theme->get_shader(p_name, class_name);
}
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
Control *parent = Object::cast_to<Control>(theme_owner->get_parent());
if (parent)
theme_owner = parent->data.theme_owner;
else
theme_owner = NULL;
}
if (Theme::get_project_default().is_valid()) {
if (Theme::get_project_default()->has_shader(p_name, type)) {
return Theme::get_project_default()->get_shader(p_name, type);
}
}
return Theme::get_default()->get_shader(p_name, type);
}
Ref<StyleBox> Control::get_stylebox(const StringName &p_name, const StringName &p_node_type) const {
if (p_node_type == StringName() || p_node_type == get_class_name()) {
const Ref<StyleBox> *style = data.style_override.getptr(p_name);
if (style)
return *style;
}
StringName type = p_node_type ? p_node_type : get_class_name();
// try with custom themes
Control *theme_owner = data.theme_owner;
StringName class_name = type;
while (theme_owner) {
while (class_name != StringName()) {
if (theme_owner->data.theme->has_stylebox(p_name, class_name)) {
return theme_owner->data.theme->get_stylebox(p_name, class_name);
}
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
class_name = type;
Control *parent = Object::cast_to<Control>(theme_owner->get_parent());
if (parent)
theme_owner = parent->data.theme_owner;
else
theme_owner = NULL;
}
while (class_name != StringName()) {
if (Theme::get_project_default().is_valid() && Theme::get_project_default()->has_stylebox(p_name, type))
return Theme::get_project_default()->get_stylebox(p_name, type);
if (Theme::get_default()->has_stylebox(p_name, class_name))
return Theme::get_default()->get_stylebox(p_name, class_name);
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
return Theme::get_default()->get_stylebox(p_name, type);
}
Ref<Font> Control::get_font(const StringName &p_name, const StringName &p_node_type) const {
if (p_node_type == StringName() || p_node_type == get_class_name()) {
const Ref<Font> *font = data.font_override.getptr(p_name);
if (font)
return *font;
}
StringName type = p_node_type ? p_node_type : get_class_name();
// try with custom themes
Control *theme_owner = data.theme_owner;
while (theme_owner) {
StringName class_name = type;
while (class_name != StringName()) {
if (theme_owner->data.theme->has_font(p_name, class_name)) {
return theme_owner->data.theme->get_font(p_name, class_name);
}
class_name = ClassDB::get_parent_class_nocheck(class_name);
}
if (theme_owner->data.theme->get_default_theme_font().is_valid())
return theme_owner->data.theme->get_default_theme_font();
Control *parent = Object::cast_to<Control>(theme_owner->get_parent());
if (parent)
theme_owner = parent->data.theme_owner;
else
theme_owner = NULL;
}
return Theme::get_default()->get_font(p_name, type);
}
Color Control::get_color(const StringName &p_name, const StringName &p_node_type) const {
if (p_node_type == StringName() || p_node_type == get_class_name()) {
const Color *color = data.color_override.getptr(p_name);
if (color)
return *color;
}
StringName type = p_node_type ? p_node_type : get_class_name();
// try with custom themes
Control *theme_owner = data.theme_owner;