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godot/scene/gui/button.cpp
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant. 
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

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/*************************************************************************/
/* button.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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()) {
int valign = size.height-style->get_minimum_size().y;
_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) );
}
}
}
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() {
ClassDB::bind_method(_MD("set_text","text"),&Button::set_text);
ClassDB::bind_method(_MD("get_text"),&Button::get_text);
ClassDB::bind_method(_MD("set_button_icon","texture:Texture"),&Button::set_icon);
ClassDB::bind_method(_MD("get_button_icon:Texture"),&Button::get_icon);
ClassDB::bind_method(_MD("set_flat","enabled"),&Button::set_flat);
ClassDB::bind_method(_MD("set_clip_text","enabled"),&Button::set_clip_text);
ClassDB::bind_method(_MD("get_clip_text"),&Button::get_clip_text);
ClassDB::bind_method(_MD("set_text_align","align"),&Button::set_text_align);
ClassDB::bind_method(_MD("get_text_align"),&Button::get_text_align);
ClassDB::bind_method(_MD("is_flat"),&Button::is_flat);
BIND_CONSTANT( ALIGN_LEFT );
BIND_CONSTANT( ALIGN_CENTER );
BIND_CONSTANT( ALIGN_RIGHT );
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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