godot/scene/gui/dialogs.cpp
2021-08-28 02:07:23 +02:00

370 lines
12 KiB
C++

/*************************************************************************/
/* dialogs.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "dialogs.h"
#include "core/os/keyboard.h"
#include "core/string/print_string.h"
#include "core/string/translation.h"
#include "line_edit.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "scene/main/window.h" // Only used to check for more modals when dimming the editor.
#endif
// AcceptDialog
void AcceptDialog::_input_from_window(const Ref<InputEvent> &p_event) {
Ref<InputEventKey> key = p_event;
if (key.is_valid() && key->is_pressed() && key->get_keycode() == KEY_ESCAPE) {
_cancel_pressed();
}
}
void AcceptDialog::_parent_focused() {
if (!is_exclusive()) {
_cancel_pressed();
}
}
void AcceptDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_VISIBILITY_CHANGED: {
if (is_visible()) {
get_ok_button()->grab_focus();
_update_child_rects();
parent_visible = get_parent_visible_window();
if (parent_visible) {
parent_visible->connect("focus_entered", callable_mp(this, &AcceptDialog::_parent_focused));
}
} else {
if (parent_visible) {
parent_visible->disconnect("focus_entered", callable_mp(this, &AcceptDialog::_parent_focused));
parent_visible = nullptr;
}
}
} break;
case NOTIFICATION_THEME_CHANGED: {
bg->add_theme_style_override("panel", bg->get_theme_stylebox(SNAME("panel"), SNAME("AcceptDialog")));
} break;
case NOTIFICATION_EXIT_TREE: {
if (parent_visible) {
parent_visible->disconnect("focus_entered", callable_mp(this, &AcceptDialog::_parent_focused));
parent_visible = nullptr;
}
} break;
case NOTIFICATION_READY:
case NOTIFICATION_WM_SIZE_CHANGED: {
if (is_visible()) {
_update_child_rects();
}
} break;
case NOTIFICATION_WM_CLOSE_REQUEST: {
_cancel_pressed();
} break;
}
}
void AcceptDialog::_text_submitted(const String &p_text) {
_ok_pressed();
}
void AcceptDialog::_ok_pressed() {
if (hide_on_ok) {
set_visible(false);
}
ok_pressed();
emit_signal(SNAME("confirmed"));
}
void AcceptDialog::_cancel_pressed() {
Window *parent_window = parent_visible;
if (parent_visible) {
parent_visible->disconnect("focus_entered", callable_mp(this, &AcceptDialog::_parent_focused));
parent_visible = nullptr;
}
call_deferred(SNAME("hide"));
emit_signal(SNAME("cancelled"));
cancel_pressed();
if (parent_window) {
//parent_window->grab_focus();
}
}
String AcceptDialog::get_text() const {
return label->get_text();
}
void AcceptDialog::set_text(String p_text) {
label->set_text(p_text);
child_controls_changed();
if (is_visible()) {
_update_child_rects();
}
}
void AcceptDialog::set_hide_on_ok(bool p_hide) {
hide_on_ok = p_hide;
}
bool AcceptDialog::get_hide_on_ok() const {
return hide_on_ok;
}
void AcceptDialog::set_autowrap(bool p_autowrap) {
label->set_autowrap_mode(p_autowrap ? Label::AUTOWRAP_WORD : Label::AUTOWRAP_OFF);
}
bool AcceptDialog::has_autowrap() {
return label->get_autowrap_mode() != Label::AUTOWRAP_OFF;
}
void AcceptDialog::register_text_enter(Control *p_line_edit) {
ERR_FAIL_NULL(p_line_edit);
LineEdit *line_edit = Object::cast_to<LineEdit>(p_line_edit);
if (line_edit) {
line_edit->connect("text_submitted", callable_mp(this, &AcceptDialog::_text_submitted));
}
}
void AcceptDialog::_update_child_rects() {
Size2 label_size = label->get_minimum_size();
if (label->get_text().is_empty()) {
label_size.height = 0;
}
int margin = hbc->get_theme_constant(SNAME("margin"), SNAME("Dialogs"));
Size2 size = get_size();
Size2 hminsize = hbc->get_combined_minimum_size();
Vector2 cpos(margin, margin + label_size.height);
Vector2 csize(size.x - margin * 2, size.y - margin * 3 - hminsize.y - label_size.height);
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c) {
continue;
}
if (c == hbc || c == label || c == bg || c->is_set_as_top_level()) {
continue;
}
c->set_position(cpos);
c->set_size(csize);
}
cpos.y += csize.y + margin;
csize.y = hminsize.y;
hbc->set_position(cpos);
hbc->set_size(csize);
bg->set_position(Point2());
bg->set_size(size);
}
Size2 AcceptDialog::_get_contents_minimum_size() const {
int margin = hbc->get_theme_constant(SNAME("margin"), SNAME("Dialogs"));
Size2 minsize = label->get_combined_minimum_size();
for (int i = 0; i < get_child_count(); i++) {
Control *c = Object::cast_to<Control>(get_child(i));
if (!c) {
continue;
}
if (c == hbc || c == label || c->is_set_as_top_level()) {
continue;
}
Size2 cminsize = c->get_combined_minimum_size();
minsize.x = MAX(cminsize.x, minsize.x);
minsize.y = MAX(cminsize.y, minsize.y);
}
Size2 hminsize = hbc->get_combined_minimum_size();
minsize.x = MAX(hminsize.x, minsize.x);
minsize.y += hminsize.y;
minsize.x += margin * 2;
minsize.y += margin * 3; //one as separation between hbc and child
Size2 wmsize = get_min_size();
minsize.x = MAX(wmsize.x, minsize.x);
return minsize;
}
void AcceptDialog::_custom_action(const String &p_action) {
emit_signal(SNAME("custom_action"), p_action);
custom_action(p_action);
}
Button *AcceptDialog::add_button(const String &p_text, bool p_right, const String &p_action) {
Button *button = memnew(Button);
button->set_text(p_text);
if (p_right) {
hbc->add_child(button);
hbc->add_spacer();
} else {
hbc->add_child(button);
hbc->move_child(button, 0);
hbc->add_spacer(true);
}
if (p_action != "") {
button->connect("pressed", callable_mp(this, &AcceptDialog::_custom_action), varray(p_action));
}
return button;
}
Button *AcceptDialog::add_cancel_button(const String &p_cancel) {
String c = p_cancel;
if (p_cancel == "") {
c = TTRC("Cancel");
}
Button *b = swap_cancel_ok ? add_button(c, true) : add_button(c);
b->connect("pressed", callable_mp(this, &AcceptDialog::_cancel_pressed));
return b;
}
void AcceptDialog::remove_button(Control *p_button) {
Button *button = Object::cast_to<Button>(p_button);
ERR_FAIL_NULL(button);
ERR_FAIL_COND_MSG(button->get_parent() != hbc, vformat("Cannot remove button %s as it does not belong to this dialog.", button->get_name()));
ERR_FAIL_COND_MSG(button == ok, "Cannot remove dialog's OK button.");
Node *right_spacer = hbc->get_child(button->get_index() + 1);
// Should always be valid but let's avoid crashing
if (right_spacer) {
hbc->remove_child(right_spacer);
memdelete(right_spacer);
}
hbc->remove_child(button);
if (button->is_connected("pressed", callable_mp(this, &AcceptDialog::_custom_action))) {
button->disconnect("pressed", callable_mp(this, &AcceptDialog::_custom_action));
}
if (button->is_connected("pressed", callable_mp(this, &AcceptDialog::_cancel_pressed))) {
button->disconnect("pressed", callable_mp(this, &AcceptDialog::_cancel_pressed));
}
}
void AcceptDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_ok_button"), &AcceptDialog::get_ok_button);
ClassDB::bind_method(D_METHOD("get_label"), &AcceptDialog::get_label);
ClassDB::bind_method(D_METHOD("set_hide_on_ok", "enabled"), &AcceptDialog::set_hide_on_ok);
ClassDB::bind_method(D_METHOD("get_hide_on_ok"), &AcceptDialog::get_hide_on_ok);
ClassDB::bind_method(D_METHOD("add_button", "text", "right", "action"), &AcceptDialog::add_button, DEFVAL(false), DEFVAL(""));
ClassDB::bind_method(D_METHOD("add_cancel_button", "name"), &AcceptDialog::add_cancel_button);
ClassDB::bind_method(D_METHOD("remove_button", "button"), &AcceptDialog::remove_button);
ClassDB::bind_method(D_METHOD("register_text_enter", "line_edit"), &AcceptDialog::register_text_enter);
ClassDB::bind_method(D_METHOD("set_text", "text"), &AcceptDialog::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &AcceptDialog::get_text);
ClassDB::bind_method(D_METHOD("set_autowrap", "autowrap"), &AcceptDialog::set_autowrap);
ClassDB::bind_method(D_METHOD("has_autowrap"), &AcceptDialog::has_autowrap);
ADD_SIGNAL(MethodInfo("confirmed"));
ADD_SIGNAL(MethodInfo("cancelled"));
ADD_SIGNAL(MethodInfo("custom_action", PropertyInfo(Variant::STRING_NAME, "action")));
ADD_GROUP("Dialog", "dialog");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "dialog_text", PROPERTY_HINT_MULTILINE_TEXT, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "dialog_hide_on_ok"), "set_hide_on_ok", "get_hide_on_ok");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "dialog_autowrap"), "set_autowrap", "has_autowrap");
}
bool AcceptDialog::swap_cancel_ok = false;
void AcceptDialog::set_swap_cancel_ok(bool p_swap) {
swap_cancel_ok = p_swap;
}
AcceptDialog::AcceptDialog() {
set_wrap_controls(true);
set_visible(false);
set_transient(true);
set_exclusive(true);
set_clamp_to_embedder(true);
bg = memnew(Panel);
add_child(bg, false, INTERNAL_MODE_FRONT);
hbc = memnew(HBoxContainer);
int margin = hbc->get_theme_constant(SNAME("margin"), SNAME("Dialogs"));
int button_margin = hbc->get_theme_constant(SNAME("button_margin"), SNAME("Dialogs"));
label = memnew(Label);
label->set_anchor(SIDE_RIGHT, Control::ANCHOR_END);
label->set_anchor(SIDE_BOTTOM, Control::ANCHOR_END);
label->set_begin(Point2(margin, margin));
label->set_end(Point2(-margin, -button_margin - 10));
add_child(label, false, INTERNAL_MODE_FRONT);
add_child(hbc, false, INTERNAL_MODE_FRONT);
hbc->add_spacer();
ok = memnew(Button);
ok->set_text(TTRC("OK"));
hbc->add_child(ok);
hbc->add_spacer();
ok->connect("pressed", callable_mp(this, &AcceptDialog::_ok_pressed));
set_title(TTRC("Alert!"));
connect("window_input", callable_mp(this, &AcceptDialog::_input_from_window));
}
AcceptDialog::~AcceptDialog() {
}
// ConfirmationDialog
void ConfirmationDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_cancel_button"), &ConfirmationDialog::get_cancel_button);
}
Button *ConfirmationDialog::get_cancel_button() {
return cancel;
}
ConfirmationDialog::ConfirmationDialog() {
set_title(TTRC("Please Confirm..."));
#ifdef TOOLS_ENABLED
set_min_size(Size2(200, 70) * EDSCALE);
#endif
cancel = add_cancel_button();
}