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godot/scene/gui/dialogs.cpp
Michael Alexsander Silva Dias 06a890f7a3 Update WindowDialog title when translation changes
2019-08-05 10:20:52 -03:00

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/*************************************************************************/
/* dialogs.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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/print_string.h"
#include "core/translation.h"
#include "line_edit.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_node.h"
#endif
// WindowDialog
void WindowDialog::_post_popup() {
drag_type = DRAG_NONE; // just in case
}
void WindowDialog::_fix_size() {
// Perhaps this should be called when the viewport resizes as well or windows go out of bounds...
// Ensure the whole window is visible.
Point2i pos = get_global_position();
Size2i size = get_size();
Size2i viewport_size = get_viewport_rect().size;
// Windows require additional padding to keep the window chrome visible.
Ref<StyleBox> panel = get_stylebox("panel", "WindowDialog");
float top = 0;
float left = 0;
float bottom = 0;
float right = 0;
// Check validity, because the theme could contain a different type of StyleBox
if (panel->get_class() == "StyleBoxTexture") {
Ref<StyleBoxTexture> panel_texture = Object::cast_to<StyleBoxTexture>(*panel);
top = panel_texture->get_expand_margin_size(MARGIN_TOP);
left = panel_texture->get_expand_margin_size(MARGIN_LEFT);
bottom = panel_texture->get_expand_margin_size(MARGIN_BOTTOM);
right = panel_texture->get_expand_margin_size(MARGIN_RIGHT);
} else if (panel->get_class() == "StyleBoxFlat") {
Ref<StyleBoxFlat> panel_flat = Object::cast_to<StyleBoxFlat>(*panel);
top = panel_flat->get_expand_margin_size(MARGIN_TOP);
left = panel_flat->get_expand_margin_size(MARGIN_LEFT);
bottom = panel_flat->get_expand_margin_size(MARGIN_BOTTOM);
right = panel_flat->get_expand_margin_size(MARGIN_RIGHT);
}
pos.x = MAX(left, MIN(pos.x, viewport_size.x - size.x - right));
pos.y = MAX(top, MIN(pos.y, viewport_size.y - size.y - bottom));
set_global_position(pos);
if (resizable) {
size.x = MIN(size.x, viewport_size.x - left - right);
size.y = MIN(size.y, viewport_size.y - top - bottom);
set_size(size);
}
}
bool WindowDialog::has_point(const Point2 &p_point) const {
Rect2 r(Point2(), get_size());
// Enlarge upwards for title bar.
int title_height = get_constant("title_height", "WindowDialog");
r.position.y -= title_height;
r.size.y += title_height;
// Inflate by the resizable border thickness.
if (resizable) {
int scaleborder_size = get_constant("scaleborder_size", "WindowDialog");
r.position.x -= scaleborder_size;
r.size.width += scaleborder_size * 2;
r.position.y -= scaleborder_size;
r.size.height += scaleborder_size * 2;
}
return r.has_point(p_point);
}
void WindowDialog::_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT) {
if (mb->is_pressed()) {
// Begin a possible dragging operation.
drag_type = _drag_hit_test(Point2(mb->get_position().x, mb->get_position().y));
if (drag_type != DRAG_NONE)
drag_offset = get_global_mouse_position() - get_position();
drag_offset_far = get_position() + get_size() - get_global_mouse_position();
} else if (drag_type != DRAG_NONE && !mb->is_pressed()) {
// End a dragging operation.
drag_type = DRAG_NONE;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
if (drag_type == DRAG_NONE) {
// Update the cursor while moving along the borders.
CursorShape cursor = CURSOR_ARROW;
if (resizable) {
int preview_drag_type = _drag_hit_test(Point2(mm->get_position().x, mm->get_position().y));
switch (preview_drag_type) {
case DRAG_RESIZE_TOP:
case DRAG_RESIZE_BOTTOM:
cursor = CURSOR_VSIZE;
break;
case DRAG_RESIZE_LEFT:
case DRAG_RESIZE_RIGHT:
cursor = CURSOR_HSIZE;
break;
case DRAG_RESIZE_TOP + DRAG_RESIZE_LEFT:
case DRAG_RESIZE_BOTTOM + DRAG_RESIZE_RIGHT:
cursor = CURSOR_FDIAGSIZE;
break;
case DRAG_RESIZE_TOP + DRAG_RESIZE_RIGHT:
case DRAG_RESIZE_BOTTOM + DRAG_RESIZE_LEFT:
cursor = CURSOR_BDIAGSIZE;
break;
}
}
if (get_cursor_shape() != cursor)
set_default_cursor_shape(cursor);
} else {
// Update while in a dragging operation.
Point2 global_pos = get_global_mouse_position();
global_pos.y = MAX(global_pos.y, 0); // Ensure title bar stays visible.
Rect2 rect = get_rect();
Size2 min_size = get_minimum_size();
if (drag_type == DRAG_MOVE) {
rect.position = global_pos - drag_offset;
} else {
if (drag_type & DRAG_RESIZE_TOP) {
int bottom = rect.position.y + rect.size.height;
int max_y = bottom - min_size.height;
rect.position.y = MIN(global_pos.y - drag_offset.y, max_y);
rect.size.height = bottom - rect.position.y;
} else if (drag_type & DRAG_RESIZE_BOTTOM) {
rect.size.height = global_pos.y - rect.position.y + drag_offset_far.y;
}
if (drag_type & DRAG_RESIZE_LEFT) {
int right = rect.position.x + rect.size.width;
int max_x = right - min_size.width;
rect.position.x = MIN(global_pos.x - drag_offset.x, max_x);
rect.size.width = right - rect.position.x;
} else if (drag_type & DRAG_RESIZE_RIGHT) {
rect.size.width = global_pos.x - rect.position.x + drag_offset_far.x;
}
}
set_size(rect.size);
set_position(rect.position);
}
}
}
void WindowDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
RID canvas = get_canvas_item();
// Draw the background.
Ref<StyleBox> panel = get_stylebox("panel");
Size2 size = get_size();
panel->draw(canvas, Rect2(0, 0, size.x, size.y));
// Draw the title bar text.
Ref<Font> title_font = get_font("title_font", "WindowDialog");
Color title_color = get_color("title_color", "WindowDialog");
int title_height = get_constant("title_height", "WindowDialog");
int font_height = title_font->get_height() - title_font->get_descent() * 2;
int x = (size.x - title_font->get_string_size(title).x) / 2;
int y = (-title_height + font_height) / 2;
title_font->draw(canvas, Point2(x, y), title, title_color, size.x - panel->get_minimum_size().x);
} break;
case NOTIFICATION_THEME_CHANGED:
case NOTIFICATION_ENTER_TREE: {
close_button->set_normal_texture(get_icon("close", "WindowDialog"));
close_button->set_pressed_texture(get_icon("close", "WindowDialog"));
close_button->set_hover_texture(get_icon("close_highlight", "WindowDialog"));
close_button->set_anchor(MARGIN_LEFT, ANCHOR_END);
close_button->set_begin(Point2(-get_constant("close_h_ofs", "WindowDialog"), -get_constant("close_v_ofs", "WindowDialog")));
} break;
case NOTIFICATION_TRANSLATION_CHANGED: {
String new_title = tr(title);
if (title != new_title) {
title = new_title;
update();
}
} break;
case NOTIFICATION_MOUSE_EXIT: {
// Reset the mouse cursor when leaving the resizable window border.
if (resizable && !drag_type) {
if (get_default_cursor_shape() != CURSOR_ARROW)
set_default_cursor_shape(CURSOR_ARROW);
}
} break;
#ifdef TOOLS_ENABLED
case NOTIFICATION_POST_POPUP: {
if (get_tree() && Engine::get_singleton()->is_editor_hint() && EditorNode::get_singleton())
EditorNode::get_singleton()->dim_editor(true);
} break;
case NOTIFICATION_POPUP_HIDE: {
if (get_tree() && Engine::get_singleton()->is_editor_hint() && EditorNode::get_singleton())
EditorNode::get_singleton()->dim_editor(false);
} break;
#endif
}
}
void WindowDialog::_closed() {
_close_pressed();
hide();
}
int WindowDialog::_drag_hit_test(const Point2 &pos) const {
int drag_type = DRAG_NONE;
if (resizable) {
int title_height = get_constant("title_height", "WindowDialog");
int scaleborder_size = get_constant("scaleborder_size", "WindowDialog");
Rect2 rect = get_rect();
if (pos.y < (-title_height + scaleborder_size))
drag_type = DRAG_RESIZE_TOP;
else if (pos.y >= (rect.size.height - scaleborder_size))
drag_type = DRAG_RESIZE_BOTTOM;
if (pos.x < scaleborder_size)
drag_type |= DRAG_RESIZE_LEFT;
else if (pos.x >= (rect.size.width - scaleborder_size))
drag_type |= DRAG_RESIZE_RIGHT;
}
if (drag_type == DRAG_NONE && pos.y < 0)
drag_type = DRAG_MOVE;
return drag_type;
}
void WindowDialog::set_title(const String &p_title) {
String new_title = tr(p_title);
if (title != new_title) {
title = new_title;
update();
}
}
String WindowDialog::get_title() const {
return title;
}
void WindowDialog::set_resizable(bool p_resizable) {
resizable = p_resizable;
}
bool WindowDialog::get_resizable() const {
return resizable;
}
Size2 WindowDialog::get_minimum_size() const {
Ref<Font> font = get_font("title_font", "WindowDialog");
const int button_width = close_button->get_combined_minimum_size().x;
const int title_width = font->get_string_size(title).x;
const int padding = button_width / 2;
const int button_area = button_width + padding;
// As the title gets centered, title_width + close_button_width is not enough.
// We want a width w, such that w / 2 - title_width / 2 >= button_area, i.e.
// w >= 2 * button_area + title_width
return Size2(2 * button_area + title_width, 1);
}
TextureButton *WindowDialog::get_close_button() {
return close_button;
}
void WindowDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("_gui_input"), &WindowDialog::_gui_input);
ClassDB::bind_method(D_METHOD("set_title", "title"), &WindowDialog::set_title);
ClassDB::bind_method(D_METHOD("get_title"), &WindowDialog::get_title);
ClassDB::bind_method(D_METHOD("set_resizable", "resizable"), &WindowDialog::set_resizable);
ClassDB::bind_method(D_METHOD("get_resizable"), &WindowDialog::get_resizable);
ClassDB::bind_method(D_METHOD("_closed"), &WindowDialog::_closed);
ClassDB::bind_method(D_METHOD("get_close_button"), &WindowDialog::get_close_button);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "window_title", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT_INTL), "set_title", "get_title");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "resizable", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT_INTL), "set_resizable", "get_resizable");
}
WindowDialog::WindowDialog() {
drag_type = DRAG_NONE;
resizable = false;
close_button = memnew(TextureButton);
add_child(close_button);
close_button->connect("pressed", this, "_closed");
}
WindowDialog::~WindowDialog() {
}
// PopupDialog
void PopupDialog::_notification(int p_what) {
if (p_what == NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
get_stylebox("panel", "PopupMenu")->draw(ci, Rect2(Point2(), get_size()));
}
}
PopupDialog::PopupDialog() {
}
PopupDialog::~PopupDialog() {
}
// AcceptDialog
void AcceptDialog::_post_popup() {
WindowDialog::_post_popup();
get_ok()->grab_focus();
}
void AcceptDialog::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_MODAL_CLOSE: {
cancel_pressed();
} break;
case NOTIFICATION_READY:
case NOTIFICATION_RESIZED: {
_update_child_rects();
} break;
}
}
void AcceptDialog::_builtin_text_entered(const String &p_text) {
_ok_pressed();
}
void AcceptDialog::_ok_pressed() {
if (hide_on_ok)
hide();
ok_pressed();
emit_signal("confirmed");
}
void AcceptDialog::_close_pressed() {
cancel_pressed();
}
String AcceptDialog::get_text() const {
return label->get_text();
}
void AcceptDialog::set_text(String p_text) {
label->set_text(p_text);
minimum_size_changed();
_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(p_autowrap);
}
bool AcceptDialog::has_autowrap() {
return label->has_autowrap();
}
void AcceptDialog::register_text_enter(Node *p_line_edit) {
ERR_FAIL_NULL(p_line_edit);
p_line_edit->connect("text_entered", this, "_builtin_text_entered");
}
void AcceptDialog::_update_child_rects() {
Size2 label_size = label->get_minimum_size();
if (label->get_text().empty()) {
label_size.height = 0;
}
int margin = get_constant("margin", "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 == get_close_button() || c->is_set_as_toplevel())
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);
}
Size2 AcceptDialog::get_minimum_size() const {
int margin = get_constant("margin", "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 == const_cast<AcceptDialog *>(this)->get_close_button() || c->is_set_as_toplevel())
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 = WindowDialog::get_minimum_size();
minsize.x = MAX(wmsize.x, minsize.x);
return minsize;
}
void AcceptDialog::_custom_action(const String &p_action) {
emit_signal("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", this, "_custom_action", varray(p_action));
}
return button;
}
Button *AcceptDialog::add_cancel(const String &p_cancel) {
String c = p_cancel;
if (p_cancel == "")
c = RTR("Cancel");
Button *b = swap_ok_cancel ? add_button(c, true) : add_button(c);
b->connect("pressed", this, "_closed");
return b;
}
void AcceptDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("_ok"), &AcceptDialog::_ok_pressed);
ClassDB::bind_method(D_METHOD("get_ok"), &AcceptDialog::get_ok);
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", "name"), &AcceptDialog::add_cancel);
ClassDB::bind_method(D_METHOD("_builtin_text_entered"), &AcceptDialog::_builtin_text_entered);
ClassDB::bind_method(D_METHOD("register_text_enter", "line_edit"), &AcceptDialog::register_text_enter);
ClassDB::bind_method(D_METHOD("_custom_action"), &AcceptDialog::_custom_action);
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("custom_action", PropertyInfo(Variant::STRING, "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_ok_cancel = false;
void AcceptDialog::set_swap_ok_cancel(bool p_swap) {
swap_ok_cancel = p_swap;
}
AcceptDialog::AcceptDialog() {
int margin = get_constant("margin", "Dialogs");
int button_margin = get_constant("button_margin", "Dialogs");
label = memnew(Label);
label->set_anchor(MARGIN_RIGHT, ANCHOR_END);
label->set_anchor(MARGIN_BOTTOM, ANCHOR_END);
label->set_begin(Point2(margin, margin));
label->set_end(Point2(-margin, -button_margin - 10));
add_child(label);
hbc = memnew(HBoxContainer);
add_child(hbc);
hbc->add_spacer();
ok = memnew(Button);
ok->set_text(RTR("OK"));
hbc->add_child(ok);
hbc->add_spacer();
ok->connect("pressed", this, "_ok");
set_as_toplevel(true);
hide_on_ok = true;
set_title(RTR("Alert!"));
}
AcceptDialog::~AcceptDialog() {
}
// ConfirmationDialog
void ConfirmationDialog::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_cancel"), &ConfirmationDialog::get_cancel);
}
Button *ConfirmationDialog::get_cancel() {
return cancel;
}
ConfirmationDialog::ConfirmationDialog() {
set_title(RTR("Please Confirm..."));
#ifdef TOOLS_ENABLED
set_custom_minimum_size(Size2(200, 70) * EDSCALE);
#endif
cancel = add_cancel();
}
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