269 lines
7.7 KiB
C++
269 lines
7.7 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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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 "servers/visual_server.h"
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#include "print_string.h"
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#include "translation.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::_notification(int p_what) {
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if (p_what==NOTIFICATION_TRANSLATION_CHANGED) {
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xl_text=XL_MESSAGE(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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//print_line(get_text()+": "+itos(is_flat())+" hover "+itos(get_draw_mode()));
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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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} break;
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case DRAW_PRESSED: {
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style = get_stylebox("pressed");
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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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} break;
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case DRAW_HOVER: {
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style = get_stylebox("hover");
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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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} break;
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case DRAW_DISABLED: {
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style = get_stylebox("disabled");
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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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} 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 ) )/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;
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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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text_ofs.x=size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size( xl_text ).x;
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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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_icon->draw(ci,style->get_offset()+Point2(0, Math::floor( (valign-_icon->get_height())/2.0 ) ),is_disabled()?Color(1,1,1,0.4):Color(1,1,1) );
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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=XL_MESSAGE(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(_MD("set_text","text"),&Button::set_text);
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ClassDB::bind_method(_MD("get_text"),&Button::get_text);
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ClassDB::bind_method(_MD("set_button_icon","texture:Texture"),&Button::set_icon);
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ClassDB::bind_method(_MD("get_button_icon:Texture"),&Button::get_icon);
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ClassDB::bind_method(_MD("set_flat","enabled"),&Button::set_flat);
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ClassDB::bind_method(_MD("set_clip_text","enabled"),&Button::set_clip_text);
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ClassDB::bind_method(_MD("get_clip_text"),&Button::get_clip_text);
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ClassDB::bind_method(_MD("set_text_align","align"),&Button::set_text_align);
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ClassDB::bind_method(_MD("get_text_align"),&Button::get_text_align);
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ClassDB::bind_method(_MD("is_flat"),&Button::is_flat);
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BIND_CONSTANT( ALIGN_LEFT );
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BIND_CONSTANT( ALIGN_CENTER );
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BIND_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_PROPERTYNO( 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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}
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Button::~Button()
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{
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}
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