277b24dfb7
This allows more consistency in the manner we include core headers, where previously there would be a mix of absolute, relative and include path-dependent includes.
284 lines
8.9 KiB
C++
284 lines
8.9 KiB
C++
/*************************************************************************/
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/* button.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "button.h"
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#include "core/translation.h"
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#include "servers/visual_server.h"
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Size2 Button::get_minimum_size() const {
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Size2 minsize = get_font("font")->get_string_size(xl_text);
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if (clip_text)
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minsize.width = 0;
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Ref<Texture> _icon;
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if (icon.is_null() && has_icon("icon"))
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_icon = Control::get_icon("icon");
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else
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_icon = icon;
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if (!_icon.is_null()) {
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minsize.height = MAX(minsize.height, _icon->get_height());
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minsize.width += _icon->get_width();
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if (xl_text != "")
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minsize.width += get_constant("hseparation");
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}
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return get_stylebox("normal")->get_minimum_size() + minsize;
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}
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void Button::_set_internal_margin(Margin p_margin, float p_value) {
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_internal_margin[p_margin] = p_value;
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}
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void Button::_notification(int p_what) {
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if (p_what == NOTIFICATION_TRANSLATION_CHANGED) {
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xl_text = tr(text);
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minimum_size_changed();
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update();
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}
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if (p_what == NOTIFICATION_DRAW) {
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RID ci = get_canvas_item();
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Size2 size = get_size();
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Color color;
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Color color_icon(1, 1, 1, 1);
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Ref<StyleBox> style = get_stylebox("normal");
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switch (get_draw_mode()) {
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case DRAW_NORMAL: {
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style = get_stylebox("normal");
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if (!flat)
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style->draw(ci, Rect2(Point2(0, 0), size));
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color = get_color("font_color");
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if (has_color("icon_color_normal"))
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color_icon = get_color("icon_color_normal");
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} break;
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case DRAW_PRESSED: {
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style = get_stylebox("pressed");
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if (!flat)
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style->draw(ci, Rect2(Point2(0, 0), size));
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if (has_color("font_color_pressed"))
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color = get_color("font_color_pressed");
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else
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color = get_color("font_color");
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if (has_color("icon_color_pressed"))
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color_icon = get_color("icon_color_pressed");
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} break;
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case DRAW_HOVER: {
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style = get_stylebox("hover");
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if (!flat)
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style->draw(ci, Rect2(Point2(0, 0), size));
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color = get_color("font_color_hover");
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if (has_color("icon_color_hover"))
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color_icon = get_color("icon_color_hover");
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} break;
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case DRAW_DISABLED: {
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style = get_stylebox("disabled");
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if (!flat)
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style->draw(ci, Rect2(Point2(0, 0), size));
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color = get_color("font_color_disabled");
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if (has_color("icon_color_disabled"))
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color_icon = get_color("icon_color_disabled");
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} break;
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}
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if (has_focus()) {
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Ref<StyleBox> style = get_stylebox("focus");
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style->draw(ci, Rect2(Point2(), size));
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}
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Ref<Font> font = get_font("font");
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Ref<Texture> _icon;
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if (icon.is_null() && has_icon("icon"))
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_icon = Control::get_icon("icon");
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else
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_icon = icon;
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Point2 icon_ofs = (!_icon.is_null()) ? Point2(_icon->get_width() + get_constant("hseparation"), 0) : Point2();
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int text_clip = size.width - style->get_minimum_size().width - icon_ofs.width;
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Point2 text_ofs = (size - style->get_minimum_size() - icon_ofs - font->get_string_size(xl_text) - Point2(_internal_margin[MARGIN_RIGHT] - _internal_margin[MARGIN_LEFT], 0)) / 2.0;
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switch (align) {
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case ALIGN_LEFT: {
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text_ofs.x = style->get_margin(MARGIN_LEFT) + icon_ofs.x + _internal_margin[MARGIN_LEFT] + get_constant("hseparation");
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text_ofs.y += style->get_offset().y;
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} break;
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case ALIGN_CENTER: {
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if (text_ofs.x < 0)
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text_ofs.x = 0;
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text_ofs += icon_ofs;
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text_ofs += style->get_offset();
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} break;
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case ALIGN_RIGHT: {
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if (_internal_margin[MARGIN_RIGHT] > 0) {
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text_ofs.x = size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size(xl_text).x - _internal_margin[MARGIN_RIGHT] - get_constant("hseparation");
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} else {
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text_ofs.x = size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size(xl_text).x;
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}
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text_ofs.y += style->get_offset().y;
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} break;
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}
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text_ofs.y += font->get_ascent();
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font->draw(ci, text_ofs.floor(), xl_text, color, clip_text ? text_clip : -1);
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if (!_icon.is_null()) {
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int valign = size.height - style->get_minimum_size().y;
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if (is_disabled())
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color_icon.a = 0.4;
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if (_internal_margin[MARGIN_LEFT] > 0) {
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_icon->draw(ci, style->get_offset() + Point2(_internal_margin[MARGIN_LEFT] + get_constant("hseparation"), Math::floor((valign - _icon->get_height()) / 2.0)), color_icon);
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} else {
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_icon->draw(ci, style->get_offset() + Point2(0, Math::floor((valign - _icon->get_height()) / 2.0)), color_icon);
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}
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}
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}
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}
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void Button::set_text(const String &p_text) {
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if (text == p_text)
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return;
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text = p_text;
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xl_text = tr(p_text);
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update();
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_change_notify("text");
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minimum_size_changed();
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}
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String Button::get_text() const {
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return text;
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}
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void Button::set_icon(const Ref<Texture> &p_icon) {
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if (icon == p_icon)
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return;
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icon = p_icon;
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update();
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_change_notify("icon");
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minimum_size_changed();
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}
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Ref<Texture> Button::get_icon() const {
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return icon;
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}
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void Button::set_flat(bool p_flat) {
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flat = p_flat;
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update();
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_change_notify("flat");
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}
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bool Button::is_flat() const {
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return flat;
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}
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void Button::set_clip_text(bool p_clip_text) {
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clip_text = p_clip_text;
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update();
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minimum_size_changed();
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}
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bool Button::get_clip_text() const {
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return clip_text;
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}
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void Button::set_text_align(TextAlign p_align) {
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align = p_align;
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update();
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}
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Button::TextAlign Button::get_text_align() const {
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return align;
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}
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void Button::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_text", "text"), &Button::set_text);
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ClassDB::bind_method(D_METHOD("get_text"), &Button::get_text);
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ClassDB::bind_method(D_METHOD("set_button_icon", "texture"), &Button::set_icon);
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ClassDB::bind_method(D_METHOD("get_button_icon"), &Button::get_icon);
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ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &Button::set_flat);
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ClassDB::bind_method(D_METHOD("set_clip_text", "enabled"), &Button::set_clip_text);
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ClassDB::bind_method(D_METHOD("get_clip_text"), &Button::get_clip_text);
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ClassDB::bind_method(D_METHOD("set_text_align", "align"), &Button::set_text_align);
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ClassDB::bind_method(D_METHOD("get_text_align"), &Button::get_text_align);
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ClassDB::bind_method(D_METHOD("is_flat"), &Button::is_flat);
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BIND_ENUM_CONSTANT(ALIGN_LEFT);
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BIND_ENUM_CONSTANT(ALIGN_CENTER);
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BIND_ENUM_CONSTANT(ALIGN_RIGHT);
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ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
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ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_button_icon", "get_button_icon");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
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ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "get_clip_text");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_text_align", "get_text_align");
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}
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Button::Button(const String &p_text) {
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flat = false;
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clip_text = false;
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set_mouse_filter(MOUSE_FILTER_STOP);
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set_text(p_text);
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align = ALIGN_CENTER;
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for (int i = 0; i < 4; i++) {
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_internal_margin[i] = 0;
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}
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}
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Button::~Button() {
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}
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