/*************************************************************************/ /* button.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 "button.h" #include "core/translation.h" #include "servers/visual_server.h" Size2 Button::get_minimum_size() const { Size2 minsize = get_font("font")->get_string_size(xl_text); if (clip_text) minsize.width = 0; if (!expand_icon) { Ref<Texture> _icon; if (icon.is_null() && has_icon("icon")) _icon = Control::get_icon("icon"); else _icon = icon; if (!_icon.is_null()) { minsize.height = MAX(minsize.height, _icon->get_height()); minsize.width += _icon->get_width(); if (xl_text != "") minsize.width += get_constant("hseparation"); } } return get_stylebox("normal")->get_minimum_size() + minsize; } void Button::_set_internal_margin(Margin p_margin, float p_value) { _internal_margin[p_margin] = p_value; } void Button::_notification(int p_what) { switch (p_what) { case NOTIFICATION_TRANSLATION_CHANGED: { xl_text = tr(text); minimum_size_changed(); update(); } break; case NOTIFICATION_DRAW: { RID ci = get_canvas_item(); Size2 size = get_size(); Color color; Color color_icon(1, 1, 1, 1); Ref<StyleBox> style = get_stylebox("normal"); switch (get_draw_mode()) { case DRAW_NORMAL: { style = get_stylebox("normal"); if (!flat) style->draw(ci, Rect2(Point2(0, 0), size)); color = get_color("font_color"); if (has_color("icon_color_normal")) color_icon = get_color("icon_color_normal"); } break; case DRAW_HOVER_PRESSED: { if (has_stylebox("hover_pressed") && has_stylebox_override("hover_pressed")) { style = get_stylebox("hover_pressed"); if (!flat) style->draw(ci, Rect2(Point2(0, 0), size)); if (has_color("font_color_hover_pressed")) color = get_color("font_color_hover_pressed"); else color = get_color("font_color"); if (has_color("icon_color_hover_pressed")) color_icon = get_color("icon_color_hover_pressed"); break; } FALLTHROUGH; } case DRAW_PRESSED: { style = get_stylebox("pressed"); if (!flat) style->draw(ci, Rect2(Point2(0, 0), size)); if (has_color("font_color_pressed")) color = get_color("font_color_pressed"); else color = get_color("font_color"); if (has_color("icon_color_pressed")) color_icon = get_color("icon_color_pressed"); } break; case DRAW_HOVER: { style = get_stylebox("hover"); if (!flat) style->draw(ci, Rect2(Point2(0, 0), size)); color = get_color("font_color_hover"); if (has_color("icon_color_hover")) color_icon = get_color("icon_color_hover"); } break; case DRAW_DISABLED: { style = get_stylebox("disabled"); if (!flat) style->draw(ci, Rect2(Point2(0, 0), size)); color = get_color("font_color_disabled"); if (has_color("icon_color_disabled")) color_icon = get_color("icon_color_disabled"); } break; } if (has_focus()) { Ref<StyleBox> style2 = get_stylebox("focus"); style2->draw(ci, Rect2(Point2(), size)); } Ref<Font> font = get_font("font"); Ref<Texture> _icon; if (icon.is_null() && has_icon("icon")) _icon = Control::get_icon("icon"); else _icon = icon; Rect2 icon_region = Rect2(); if (!_icon.is_null()) { int valign = size.height - style->get_minimum_size().y; if (is_disabled()) { color_icon.a = 0.4; } float icon_ofs_region = 0; if (_internal_margin[MARGIN_LEFT] > 0) { icon_ofs_region = _internal_margin[MARGIN_LEFT] + get_constant("hseparation"); } if (expand_icon) { Size2 _size = get_size() - style->get_offset() * 2; _size.width -= get_constant("hseparation") + icon_ofs_region; if (!clip_text) _size.width -= get_font("font")->get_string_size(xl_text).width; float icon_width = icon->get_width() * _size.height / icon->get_height(); float icon_height = _size.height; if (icon_width > _size.width) { icon_width = _size.width; icon_height = icon->get_height() * icon_width / icon->get_width(); } icon_region = Rect2(style->get_offset() + Point2(icon_ofs_region, (_size.height - icon_height) / 2), Size2(icon_width, icon_height)); } else { icon_region = Rect2(style->get_offset() + Point2(icon_ofs_region, Math::floor((valign - _icon->get_height()) / 2.0)), icon->get_size()); } } Point2 icon_ofs = !_icon.is_null() ? Point2(icon_region.size.width + get_constant("hseparation"), 0) : Point2(); int text_clip = size.width - style->get_minimum_size().width - icon_ofs.width; 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; switch (align) { case ALIGN_LEFT: { if (_internal_margin[MARGIN_LEFT] > 0) { text_ofs.x = style->get_margin(MARGIN_LEFT) + icon_ofs.x + _internal_margin[MARGIN_LEFT] + get_constant("hseparation"); } else { text_ofs.x = style->get_margin(MARGIN_LEFT) + icon_ofs.x; } text_ofs.y += style->get_offset().y; } break; case ALIGN_CENTER: { if (text_ofs.x < 0) text_ofs.x = 0; text_ofs += icon_ofs; text_ofs += style->get_offset(); } break; case ALIGN_RIGHT: { if (_internal_margin[MARGIN_RIGHT] > 0) { text_ofs.x = size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size(xl_text).x - _internal_margin[MARGIN_RIGHT] - get_constant("hseparation"); } else { text_ofs.x = size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size(xl_text).x; } text_ofs.y += style->get_offset().y; } break; } text_ofs.y += font->get_ascent(); font->draw(ci, text_ofs.floor(), xl_text, color, clip_text ? text_clip : -1); if (!_icon.is_null() && icon_region.size.width > 0) { draw_texture_rect_region(_icon, icon_region, Rect2(Point2(), icon->get_size()), color_icon); } } break; } } void Button::set_text(const String &p_text) { if (text == p_text) return; text = p_text; xl_text = tr(p_text); update(); _change_notify("text"); minimum_size_changed(); } String Button::get_text() const { return text; } void Button::set_icon(const Ref<Texture> &p_icon) { if (icon == p_icon) return; icon = p_icon; update(); _change_notify("icon"); minimum_size_changed(); } Ref<Texture> Button::get_icon() const { return icon; } void Button::set_expand_icon(bool p_expand_icon) { expand_icon = p_expand_icon; update(); minimum_size_changed(); } bool Button::is_expand_icon() const { return expand_icon; } void Button::set_flat(bool p_flat) { flat = p_flat; update(); _change_notify("flat"); } bool Button::is_flat() const { return flat; } void Button::set_clip_text(bool p_clip_text) { clip_text = p_clip_text; update(); minimum_size_changed(); } bool Button::get_clip_text() const { return clip_text; } void Button::set_text_align(TextAlign p_align) { align = p_align; update(); } Button::TextAlign Button::get_text_align() const { return align; } void Button::_bind_methods() { ClassDB::bind_method(D_METHOD("set_text", "text"), &Button::set_text); ClassDB::bind_method(D_METHOD("get_text"), &Button::get_text); ClassDB::bind_method(D_METHOD("set_button_icon", "texture"), &Button::set_icon); ClassDB::bind_method(D_METHOD("get_button_icon"), &Button::get_icon); ClassDB::bind_method(D_METHOD("set_expand_icon"), &Button::set_expand_icon); ClassDB::bind_method(D_METHOD("is_expand_icon"), &Button::is_expand_icon); ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &Button::set_flat); ClassDB::bind_method(D_METHOD("set_clip_text", "enabled"), &Button::set_clip_text); ClassDB::bind_method(D_METHOD("get_clip_text"), &Button::get_clip_text); ClassDB::bind_method(D_METHOD("set_text_align", "align"), &Button::set_text_align); ClassDB::bind_method(D_METHOD("get_text_align"), &Button::get_text_align); ClassDB::bind_method(D_METHOD("is_flat"), &Button::is_flat); BIND_ENUM_CONSTANT(ALIGN_LEFT); BIND_ENUM_CONSTANT(ALIGN_CENTER); BIND_ENUM_CONSTANT(ALIGN_RIGHT); ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_button_icon", "get_button_icon"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "get_clip_text"); ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_text_align", "get_text_align"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand_icon"), "set_expand_icon", "is_expand_icon"); } Button::Button(const String &p_text) { flat = false; clip_text = false; expand_icon = false; set_mouse_filter(MOUSE_FILTER_STOP); set_text(p_text); align = ALIGN_CENTER; for (int i = 0; i < 4; i++) { _internal_margin[i] = 0; } } Button::~Button() { }