461 lines
11 KiB
C++
461 lines
11 KiB
C++
/*************************************************************************/
|
|
/* split_container.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 "split_container.h"
|
|
|
|
#include "margin_container.h"
|
|
#include "label.h"
|
|
|
|
|
|
|
|
struct _MinSizeCache {
|
|
|
|
int min_size;
|
|
bool will_stretch;
|
|
int final_size;
|
|
};
|
|
|
|
|
|
Control *SplitContainer::_getch(int p_idx) const {
|
|
|
|
int idx=0;
|
|
|
|
for(int i=0;i<get_child_count();i++) {
|
|
Control *c=get_child(i)->cast_to<Control>();
|
|
if (!c || !c->is_visible_in_tree())
|
|
continue;
|
|
if (c->is_set_as_toplevel())
|
|
continue;
|
|
|
|
if (idx==p_idx)
|
|
return c;
|
|
|
|
idx++;
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
void SplitContainer::_resort() {
|
|
|
|
/** First pass, determine minimum size AND amount of stretchable elements */
|
|
|
|
int axis = vertical?1:0;
|
|
|
|
bool has_first=_getch(0);
|
|
bool has_second=_getch(1);
|
|
|
|
if (!has_first && !has_second) {
|
|
return;
|
|
} else if (! (has_first && has_second)) {
|
|
if (has_first)
|
|
fit_child_in_rect(_getch(0),Rect2(Point2(),get_size()));
|
|
else
|
|
fit_child_in_rect(_getch(1),Rect2(Point2(),get_size()));
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
Control *first=_getch(0);
|
|
Control *second=_getch(1);
|
|
|
|
|
|
bool ratiomode=false;
|
|
bool expand_first_mode=false;
|
|
|
|
|
|
|
|
|
|
if (vertical) {
|
|
|
|
ratiomode=first->get_v_size_flags()&SIZE_EXPAND && second->get_v_size_flags()&SIZE_EXPAND;
|
|
expand_first_mode=first->get_v_size_flags()&SIZE_EXPAND && !(second->get_v_size_flags()&SIZE_EXPAND);
|
|
} else {
|
|
|
|
ratiomode=first->get_h_size_flags()&SIZE_EXPAND && second->get_h_size_flags()&SIZE_EXPAND;
|
|
expand_first_mode=first->get_h_size_flags()&SIZE_EXPAND && !(second->get_h_size_flags()&SIZE_EXPAND);
|
|
}
|
|
|
|
|
|
int sep=get_constant("separation");
|
|
Ref<Texture> g = get_icon("grabber");
|
|
|
|
if (dragger_visibility==DRAGGER_HIDDEN_COLLAPSED) {
|
|
sep=0;
|
|
} else {
|
|
sep=MAX(sep,vertical?g->get_height():g->get_width());
|
|
}
|
|
|
|
int total = vertical?get_size().height:get_size().width;
|
|
|
|
total-=sep;
|
|
|
|
int minimum=0;
|
|
|
|
Size2 ms_first = first->get_combined_minimum_size();
|
|
Size2 ms_second = second->get_combined_minimum_size();
|
|
|
|
if (vertical) {
|
|
|
|
minimum=ms_first.height+ms_second.height;
|
|
} else {
|
|
|
|
minimum=ms_first.width+ms_second.width;
|
|
}
|
|
|
|
int available=total-minimum;
|
|
if (available<0)
|
|
available=0;
|
|
|
|
|
|
middle_sep=0;
|
|
|
|
if (collapsed) {
|
|
|
|
|
|
if (ratiomode) {
|
|
|
|
middle_sep=ms_first[axis]+available/2;
|
|
|
|
|
|
} else if (expand_first_mode) {
|
|
|
|
middle_sep=get_size()[axis]-ms_second[axis]-sep;
|
|
|
|
} else {
|
|
|
|
middle_sep=ms_first[axis];
|
|
}
|
|
|
|
|
|
} else if (ratiomode) {
|
|
|
|
if (expand_ofs<-(available/2))
|
|
expand_ofs=-(available/2);
|
|
else if (expand_ofs>(available/2))
|
|
expand_ofs=(available/2);
|
|
|
|
middle_sep=ms_first[axis]+available/2+expand_ofs;
|
|
|
|
|
|
} else if (expand_first_mode) {
|
|
|
|
if (expand_ofs>0)
|
|
expand_ofs=0;
|
|
|
|
if (expand_ofs < -available)
|
|
expand_ofs=-available;
|
|
|
|
middle_sep=get_size()[axis]-ms_second[axis]-sep+expand_ofs;
|
|
|
|
} else {
|
|
|
|
if (expand_ofs<0)
|
|
expand_ofs=0;
|
|
|
|
if (expand_ofs > available)
|
|
expand_ofs=available;
|
|
|
|
middle_sep=ms_first[axis]+expand_ofs;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (vertical) {
|
|
|
|
fit_child_in_rect(first,Rect2(Point2(0,0),Size2(get_size().width,middle_sep)));
|
|
int sofs=middle_sep+sep;
|
|
fit_child_in_rect(second,Rect2(Point2(0,sofs),Size2(get_size().width,get_size().height-sofs)));
|
|
|
|
} else {
|
|
|
|
|
|
fit_child_in_rect(first,Rect2(Point2(0,0),Size2(middle_sep,get_size().height)));
|
|
int sofs=middle_sep+sep;
|
|
fit_child_in_rect(second,Rect2(Point2(sofs,0),Size2(get_size().width-sofs,get_size().height)));
|
|
}
|
|
|
|
update();
|
|
_change_notify("split/offset");
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Size2 SplitContainer::get_minimum_size() const {
|
|
|
|
|
|
/* Calculate MINIMUM SIZE */
|
|
|
|
Size2i minimum;
|
|
int sep=get_constant("separation");
|
|
Ref<Texture> g = get_icon("grabber");
|
|
sep=(dragger_visibility!=DRAGGER_HIDDEN_COLLAPSED)?MAX(sep,vertical?g->get_height():g->get_width()):0;
|
|
|
|
for(int i=0;i<2;i++) {
|
|
|
|
if (!_getch(i))
|
|
break;
|
|
|
|
if (i==1) {
|
|
|
|
if (vertical)
|
|
minimum.height+=sep;
|
|
else
|
|
minimum.width+=sep;
|
|
}
|
|
|
|
Size2 ms = _getch(i)->get_combined_minimum_size();
|
|
|
|
if (vertical) {
|
|
|
|
minimum.height+=ms.height;
|
|
minimum.width=MAX(minimum.width,ms.width);
|
|
} else {
|
|
|
|
minimum.width+=ms.width;
|
|
minimum.height=MAX(minimum.height,ms.height);
|
|
}
|
|
|
|
}
|
|
|
|
return minimum;
|
|
|
|
|
|
}
|
|
|
|
void SplitContainer::_notification(int p_what) {
|
|
|
|
switch(p_what) {
|
|
|
|
case NOTIFICATION_SORT_CHILDREN: {
|
|
|
|
_resort();
|
|
} break;
|
|
case NOTIFICATION_MOUSE_ENTER: {
|
|
mouse_inside=true;
|
|
update();
|
|
} break;
|
|
case NOTIFICATION_MOUSE_EXIT: {
|
|
mouse_inside=false;
|
|
update();
|
|
} break;
|
|
case NOTIFICATION_DRAW: {
|
|
|
|
if (!_getch(0) || !_getch(1))
|
|
return;
|
|
|
|
if (collapsed || (!mouse_inside && get_constant("autohide")))
|
|
return;
|
|
int sep=dragger_visibility!=DRAGGER_HIDDEN_COLLAPSED?get_constant("separation"):0;
|
|
Ref<Texture> tex = get_icon("grabber");
|
|
Size2 size=get_size();
|
|
if (vertical) {
|
|
|
|
//draw_style_box( get_stylebox("bg"), Rect2(0,middle_sep,get_size().width,sep));
|
|
if (dragger_visibility==DRAGGER_VISIBLE)
|
|
draw_texture(tex,Point2i((size.x-tex->get_width())/2,middle_sep+(sep-tex->get_height())/2));
|
|
|
|
} else {
|
|
|
|
//draw_style_box( get_stylebox("bg"), Rect2(middle_sep,0,sep,get_size().height));
|
|
if (dragger_visibility==DRAGGER_VISIBLE)
|
|
draw_texture(tex,Point2i(middle_sep+(sep-tex->get_width())/2,(size.y-tex->get_height())/2));
|
|
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void SplitContainer::_gui_input(const InputEvent& p_event) {
|
|
|
|
if (collapsed || !_getch(0) || !_getch(1) || dragger_visibility!=DRAGGER_VISIBLE)
|
|
return;
|
|
|
|
if (p_event.type==InputEvent::MOUSE_BUTTON) {
|
|
|
|
const InputEventMouseButton &mb=p_event.mouse_button;
|
|
|
|
if (mb.button_index==BUTTON_LEFT) {
|
|
|
|
if (mb.pressed) {
|
|
int sep=get_constant("separation");
|
|
|
|
if (vertical) {
|
|
|
|
|
|
if (mb.y > middle_sep && mb.y < middle_sep+sep) {
|
|
dragging=true;
|
|
drag_from=mb.y;
|
|
drag_ofs=expand_ofs;
|
|
}
|
|
} else {
|
|
|
|
if (mb.x > middle_sep && mb.x < middle_sep+sep) {
|
|
dragging=true;
|
|
drag_from=mb.x;
|
|
drag_ofs=expand_ofs;
|
|
}
|
|
}
|
|
} else {
|
|
|
|
dragging=false;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if (p_event.type==InputEvent::MOUSE_MOTION) {
|
|
|
|
const InputEventMouseMotion &mm=p_event.mouse_motion;
|
|
|
|
if (dragging) {
|
|
|
|
expand_ofs=drag_ofs+((vertical?mm.y:mm.x)-drag_from);
|
|
queue_sort();
|
|
emit_signal("dragged",get_split_offset());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
Control::CursorShape SplitContainer::get_cursor_shape(const Point2& p_pos) const {
|
|
|
|
if (collapsed)
|
|
return Control::get_cursor_shape(p_pos);
|
|
|
|
if (dragging)
|
|
return (vertical?CURSOR_VSIZE:CURSOR_HSIZE);
|
|
|
|
int sep=get_constant("separation");
|
|
|
|
if (vertical) {
|
|
|
|
|
|
if (p_pos.y > middle_sep && p_pos.y < middle_sep+sep) {
|
|
return CURSOR_VSIZE;
|
|
}
|
|
} else {
|
|
|
|
if (p_pos.x > middle_sep && p_pos.x < middle_sep+sep) {
|
|
return CURSOR_HSIZE;
|
|
}
|
|
}
|
|
|
|
return Control::get_cursor_shape(p_pos);
|
|
|
|
}
|
|
|
|
void SplitContainer::set_split_offset(int p_offset) {
|
|
|
|
if (expand_ofs==p_offset)
|
|
return;
|
|
expand_ofs=p_offset;
|
|
queue_sort();
|
|
}
|
|
|
|
int SplitContainer::get_split_offset() const {
|
|
|
|
return expand_ofs;
|
|
}
|
|
|
|
void SplitContainer::set_collapsed(bool p_collapsed) {
|
|
|
|
if (collapsed==p_collapsed)
|
|
return;
|
|
collapsed=p_collapsed;
|
|
queue_sort();
|
|
|
|
}
|
|
|
|
void SplitContainer::set_dragger_visibility(DraggerVisibility p_visibility) {
|
|
|
|
dragger_visibility=p_visibility;
|
|
queue_sort();
|
|
update();
|
|
}
|
|
|
|
SplitContainer::DraggerVisibility SplitContainer::get_dragger_visibility() const {
|
|
|
|
return dragger_visibility;
|
|
}
|
|
|
|
|
|
bool SplitContainer::is_collapsed() const {
|
|
|
|
|
|
return collapsed;
|
|
}
|
|
|
|
|
|
void SplitContainer::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("_gui_input"),&SplitContainer::_gui_input);
|
|
ClassDB::bind_method(D_METHOD("set_split_offset","offset"),&SplitContainer::set_split_offset);
|
|
ClassDB::bind_method(D_METHOD("get_split_offset"),&SplitContainer::get_split_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_collapsed","collapsed"),&SplitContainer::set_collapsed);
|
|
ClassDB::bind_method(D_METHOD("is_collapsed"),&SplitContainer::is_collapsed);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_dragger_visibility","mode"),&SplitContainer::set_dragger_visibility);
|
|
ClassDB::bind_method(D_METHOD("get_dragger_visibility"),&SplitContainer::get_dragger_visibility);
|
|
|
|
ADD_SIGNAL( MethodInfo("dragged",PropertyInfo(Variant::INT,"offset")));
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::INT,"split_offset"),"set_split_offset","get_split_offset");
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"collapsed"),"set_collapsed","is_collapsed");
|
|
ADD_PROPERTY( PropertyInfo(Variant::INT,"dragger_visibility",PROPERTY_HINT_ENUM,"Visible,Hidden,Hidden & Collapsed"),"set_dragger_visibility","get_dragger_visibility");
|
|
|
|
BIND_CONSTANT( DRAGGER_VISIBLE );
|
|
BIND_CONSTANT( DRAGGER_HIDDEN );
|
|
BIND_CONSTANT( DRAGGER_HIDDEN_COLLAPSED );
|
|
|
|
}
|
|
|
|
SplitContainer::SplitContainer(bool p_vertical) {
|
|
|
|
|
|
mouse_inside=false;
|
|
expand_ofs=0;
|
|
middle_sep=0;
|
|
vertical=p_vertical;
|
|
dragging=false;
|
|
collapsed=false;
|
|
dragger_visibility=DRAGGER_VISIBLE;
|
|
|
|
}
|
|
|
|
|