godot/scene/gui/popup.cpp

237 lines
6.3 KiB
C++

/*************************************************************************/
/* popup.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 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 "popup.h"
#include "os/keyboard.h"
void Popup::_input_event(InputEvent p_event) {
}
void Popup::_notification(int p_what) {
}
void Popup::_fix_size() {
Control *window = get_window();
ERR_FAIL_COND(!window);
Point2 pos = get_pos();
Size2 size = get_size();
Point2 window_size = window==this ? get_parent_area_size() :window->get_size();
if (pos.x+size.width > window_size.width)
pos.x=window_size.width-size.width;
if (pos.x<0)
pos.x=0;
if (pos.y+size.height > window_size.height)
pos.y=window_size.height-size.height;
if (pos.y<0)
pos.y=0;
if (pos!=get_pos())
set_pos(pos);
}
void Popup::popup_centered_minsize(const Size2& p_minsize) {
Size2 total_minsize=p_minsize;
for(int i=0;i<get_child_count();i++) {
Control *c=get_child(i)->cast_to<Control>();
if (!c)
continue;
Size2 minsize = c->get_combined_minimum_size();
for(int j=0;j<2;j++) {
Margin m_beg = Margin(0+j);
Margin m_end = Margin(2+j);
float margin_begin = c->get_margin(m_beg);
float margin_end = c->get_margin(m_end);
AnchorType anchor_begin = c->get_anchor(m_beg);
AnchorType anchor_end = c->get_anchor(m_end);
if (anchor_begin == ANCHOR_BEGIN)
minsize[j]+=margin_begin;
if (anchor_end == ANCHOR_END)
minsize[j]+=margin_end;
}
total_minsize.width = MAX( total_minsize.width, minsize.width );
total_minsize.height = MAX( total_minsize.height, minsize.height );
}
popup_centered( total_minsize );
}
void Popup::popup_centered(const Size2& p_size) {
Control *window = get_window();
ERR_FAIL_COND(!window);
emit_signal("about_to_show");
Rect2 rect;
rect.size = p_size==Size2()?get_size():p_size;
Point2 window_size = window==this ? get_parent_area_size() :window->get_size();
rect.pos = ((window_size-rect.size)/2.0).floor();
set_pos( rect.pos );
set_size( rect.size );
show_modal(exclusive);
_fix_size();
Control *focusable = find_next_valid_focus();
if (focusable)
focusable->grab_focus();
_post_popup();
notification(NOTIFICATION_POST_POPUP);
}
void Popup::popup_centered_ratio(float p_screen_ratio) {
Control *window = get_window();
ERR_FAIL_COND(!window);
emit_signal("about_to_show");
Rect2 rect;
Point2 window_size = window==this ? get_parent_area_size() :window->get_size();
rect.size = (window_size * p_screen_ratio).floor();
rect.pos = ((window_size-rect.size)/2.0).floor();
set_pos( rect.pos );
set_size( rect.size );
show_modal(exclusive);
_fix_size();
Control *focusable = find_next_valid_focus();
if (focusable)
focusable->grab_focus();
_post_popup();
notification(NOTIFICATION_POST_POPUP);
}
void Popup::popup() {
emit_signal("about_to_show");
show_modal(exclusive);
_fix_size();
Control *focusable = find_next_valid_focus();
if (focusable)
focusable->grab_focus();
_post_popup();
notification(NOTIFICATION_POST_POPUP);
}
void Popup::set_exclusive(bool p_exclusive) {
exclusive=p_exclusive;
}
bool Popup::is_exclusive() const {
return exclusive;
}
void Popup::_bind_methods() {
ObjectTypeDB::bind_method(_MD("popup_centered","size"),&Popup::popup_centered,DEFVAL(Size2()));
ObjectTypeDB::bind_method(_MD("popup_centered_ratio","ratio"),&Popup::popup_centered_ratio,DEFVAL(0.75));
ObjectTypeDB::bind_method(_MD("popup_centered_minsize","minsize"),&Popup::popup_centered_minsize,DEFVAL(Size2()));
ObjectTypeDB::bind_method(_MD("popup"),&Popup::popup);
ObjectTypeDB::bind_method(_MD("set_exclusive","enable"),&Popup::set_exclusive);
ObjectTypeDB::bind_method(_MD("is_exclusive"),&Popup::is_exclusive);
ADD_SIGNAL( MethodInfo("about_to_show") );
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "popup/exclusive"), _SCS("set_exclusive"),_SCS("is_exclusive") );
BIND_CONSTANT(NOTIFICATION_POST_POPUP);
}
Popup::Popup() {
set_as_toplevel(true);
exclusive=false;
hide();
}
Popup::~Popup()
{
}
void PopupPanel::set_child_rect(Control *p_child) {
ERR_FAIL_NULL(p_child);
Ref<StyleBox> p = get_stylebox("panel");
p_child->set_area_as_parent_rect();
for(int i=0;i<4;i++) {
p_child->set_margin(Margin(i),p->get_margin(Margin(i)));
}
}
void PopupPanel::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
get_stylebox("panel")->draw(get_canvas_item(),Rect2(Point2(),get_size()));
}
}
PopupPanel::PopupPanel() {
}