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godot/scene/gui/button.cpp
Juan Linietsky 95047562d7 Several performance improvements, mainly in loading and instancing scenes and resources. 
A general speedup should be apparent, with even more peformance increase when compiling optimized.

WARNING: Tested and it seems to work, but if something breaks, please report.
2015-06-29 00:29:49 -03:00

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7.4 KiB
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/*************************************************************************/
/* button.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "servers/visual_server.h"
#include "print_string.h"
#include "translation.h"
Size2 Button::get_minimum_size() const {
Size2 minsize=get_font("font")->get_string_size( text );
if (clip_text)
minsize.width=0;
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 (text!="")
minsize.width+=get_constant("hseparation");
}
return get_stylebox("normal" )->get_minimum_size() + minsize;
}
void Button::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
RID ci = get_canvas_item();
Size2 size=get_size();
Color color;
//print_line(get_text()+": "+itos(is_flat())+" hover "+itos(get_draw_mode()));
switch( get_draw_mode() ) {
case DRAW_NORMAL: {
if (!flat)
get_stylebox("normal" )->draw( ci, Rect2(Point2(0,0), size) );
color=get_color("font_color");
} break;
case DRAW_PRESSED: {
get_stylebox("pressed" )->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");
} break;
case DRAW_HOVER: {
get_stylebox("hover" )->draw( ci, Rect2(Point2(0,0), size) );
color=get_color("font_color_hover");
} break;
case DRAW_DISABLED: {
get_stylebox("disabled" )->draw( ci, Rect2(Point2(0,0), size) );
color=get_color("font_color_disabled");
} break;
}
if (has_focus()) {
Ref<StyleBox> style = get_stylebox("focus");
style->draw(ci,Rect2(Point2(),size));
}
Ref<StyleBox> style = get_stylebox("normal" );
Ref<Font> font=get_font("font");
Ref<Texture> _icon;
if (icon.is_null() && has_icon("icon"))
_icon=Control::get_icon("icon");
else
_icon=icon;
Point2 icon_ofs = (!_icon.is_null())?Point2( _icon->get_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( text ) )/2.0;
switch(align) {
case ALIGN_LEFT: {
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: {
text_ofs.x=size.x - style->get_margin(MARGIN_RIGHT) - font->get_string_size( text ).x;
text_ofs.y+=style->get_offset().y;
} break;
}
text_ofs.y+=font->get_ascent();
font->draw( ci, text_ofs.floor(), text, color,clip_text?text_clip:-1);
if (!_icon.is_null()) {
_icon->draw(ci,Point2(style->get_offset().x, Math::floor( (size.height-_icon->get_height())/2.0 ) ),is_disabled()?Color(1,1,1,0.4):Color(1,1,1) );
}
}
}
void Button::set_text(const String& p_text) {
if (text==p_text)
return;
text=XL_MESSAGE(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_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() {
ObjectTypeDB::bind_method(_MD("set_text","text"),&Button::set_text);
ObjectTypeDB::bind_method(_MD("get_text"),&Button::get_text);
ObjectTypeDB::bind_method(_MD("set_button_icon","texture:Texture"),&Button::set_icon);
ObjectTypeDB::bind_method(_MD("get_button_icon:Texture"),&Button::get_icon);
ObjectTypeDB::bind_method(_MD("set_flat","enabled"),&Button::set_flat);
ObjectTypeDB::bind_method(_MD("set_clip_text","enabled"),&Button::set_clip_text);
ObjectTypeDB::bind_method(_MD("get_clip_text"),&Button::get_clip_text);
ObjectTypeDB::bind_method(_MD("set_text_align","align"),&Button::set_text_align);
ObjectTypeDB::bind_method(_MD("get_text_align"),&Button::get_text_align);
ObjectTypeDB::bind_method(_MD("is_flat"),&Button::is_flat);
ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "text", PROPERTY_HINT_NONE,"",PROPERTY_USAGE_DEFAULT_INTL ), _SCS("set_text"),_SCS("get_text") );
ADD_PROPERTYNZ( PropertyInfo( Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture" ), _SCS("set_button_icon"),_SCS("get_button_icon") );
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "flat" ), _SCS("set_flat"),_SCS("is_flat") );
ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "clip_text" ), _SCS("set_clip_text"),_SCS("get_clip_text") );
ADD_PROPERTYNO( PropertyInfo( Variant::INT, "align",PROPERTY_HINT_ENUM,"Left,Center,Right" ), _SCS("set_text_align"),_SCS("get_text_align") );
}
Button::Button(const String &p_text) {
flat=false;
clip_text=false;
set_stop_mouse(true);
set_text(p_text);
align=ALIGN_CENTER;
}
Button::~Button()
{
}
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