d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
460 lines
11 KiB
C++
460 lines
11 KiB
C++
/*************************************************************************/
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/* split_container.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 "split_container.h"
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#include "margin_container.h"
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#include "label.h"
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struct _MinSizeCache {
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int min_size;
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bool will_stretch;
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int final_size;
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};
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Control *SplitContainer::_getch(int p_idx) const {
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int idx=0;
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for(int i=0;i<get_child_count();i++) {
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Control *c=get_child(i)->cast_to<Control>();
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if (!c || !c->is_visible())
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continue;
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if (c->is_set_as_toplevel())
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continue;
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if (idx==p_idx)
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return c;
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idx++;
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}
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return NULL;
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}
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void SplitContainer::_resort() {
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/** First pass, determine minimum size AND amount of stretchable elements */
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int axis = vertical?1:0;
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bool has_first=_getch(0);
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bool has_second=_getch(1);
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if (!has_first && !has_second) {
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return;
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} else if (! (has_first && has_second)) {
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if (has_first)
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fit_child_in_rect(_getch(0),Rect2(Point2(),get_size()));
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else
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fit_child_in_rect(_getch(1),Rect2(Point2(),get_size()));
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return;
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}
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Control *first=_getch(0);
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Control *second=_getch(1);
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bool ratiomode=false;
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bool expand_first_mode=false;
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if (vertical) {
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ratiomode=first->get_v_size_flags()&SIZE_EXPAND && second->get_v_size_flags()&SIZE_EXPAND;
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expand_first_mode=first->get_v_size_flags()&SIZE_EXPAND && !(second->get_v_size_flags()&SIZE_EXPAND);
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} else {
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ratiomode=first->get_h_size_flags()&SIZE_EXPAND && second->get_h_size_flags()&SIZE_EXPAND;
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expand_first_mode=first->get_h_size_flags()&SIZE_EXPAND && !(second->get_h_size_flags()&SIZE_EXPAND);
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}
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int sep=get_constant("separation");
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Ref<Texture> g = get_icon("grabber");
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if (dragger_visibility==DRAGGER_HIDDEN_COLLAPSED) {
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sep=0;
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} else {
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sep=MAX(sep,vertical?g->get_height():g->get_width());
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}
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int total = vertical?get_size().height:get_size().width;
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total-=sep;
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int minimum=0;
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Size2 ms_first = first->get_combined_minimum_size();
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Size2 ms_second = second->get_combined_minimum_size();
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if (vertical) {
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minimum=ms_first.height+ms_second.height;
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} else {
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minimum=ms_first.width+ms_second.width;
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}
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int available=total-minimum;
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if (available<0)
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available=0;
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middle_sep=0;
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if (collapsed) {
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if (ratiomode) {
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middle_sep=ms_first[axis]+available/2;
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} else if (expand_first_mode) {
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middle_sep=get_size()[axis]-ms_second[axis]-sep;
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} else {
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middle_sep=ms_first[axis];
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}
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} else if (ratiomode) {
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if (expand_ofs<-(available/2))
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expand_ofs=-(available/2);
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else if (expand_ofs>(available/2))
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expand_ofs=(available/2);
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middle_sep=ms_first[axis]+available/2+expand_ofs;
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} else if (expand_first_mode) {
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if (expand_ofs>0)
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expand_ofs=0;
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if (expand_ofs < -available)
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expand_ofs=-available;
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middle_sep=get_size()[axis]-ms_second[axis]-sep+expand_ofs;
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} else {
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if (expand_ofs<0)
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expand_ofs=0;
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if (expand_ofs > available)
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expand_ofs=available;
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middle_sep=ms_first[axis]+expand_ofs;
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}
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if (vertical) {
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fit_child_in_rect(first,Rect2(Point2(0,0),Size2(get_size().width,middle_sep)));
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int sofs=middle_sep+sep;
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fit_child_in_rect(second,Rect2(Point2(0,sofs),Size2(get_size().width,get_size().height-sofs)));
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} else {
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fit_child_in_rect(first,Rect2(Point2(0,0),Size2(middle_sep,get_size().height)));
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int sofs=middle_sep+sep;
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fit_child_in_rect(second,Rect2(Point2(sofs,0),Size2(get_size().width-sofs,get_size().height)));
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}
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update();
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_change_notify("split/offset");
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}
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Size2 SplitContainer::get_minimum_size() const {
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/* Calculate MINIMUM SIZE */
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Size2i minimum;
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int sep=get_constant("separation");
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Ref<Texture> g = get_icon("grabber");
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sep=(dragger_visibility!=DRAGGER_HIDDEN_COLLAPSED)?MAX(sep,vertical?g->get_height():g->get_width()):0;
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for(int i=0;i<2;i++) {
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if (!_getch(i))
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break;
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if (i==1) {
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if (vertical)
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minimum.height+=sep;
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else
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minimum.width+=sep;
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}
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Size2 ms = _getch(i)->get_combined_minimum_size();
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if (vertical) {
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minimum.height+=ms.height;
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minimum.width=MAX(minimum.width,ms.width);
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} else {
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minimum.width+=ms.width;
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minimum.height=MAX(minimum.height,ms.height);
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}
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}
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return minimum;
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}
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void SplitContainer::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_SORT_CHILDREN: {
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_resort();
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} break;
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case NOTIFICATION_MOUSE_ENTER: {
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mouse_inside=true;
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update();
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} break;
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case NOTIFICATION_MOUSE_EXIT: {
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mouse_inside=false;
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update();
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} break;
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case NOTIFICATION_DRAW: {
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if (!_getch(0) || !_getch(1))
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return;
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if (collapsed || (!mouse_inside && get_constant("autohide")))
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return;
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int sep=dragger_visibility!=DRAGGER_HIDDEN_COLLAPSED?get_constant("separation"):0;
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Ref<Texture> tex = get_icon("grabber");
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Size2 size=get_size();
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if (vertical) {
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//draw_style_box( get_stylebox("bg"), Rect2(0,middle_sep,get_size().width,sep));
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if (dragger_visibility==DRAGGER_VISIBLE)
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draw_texture(tex,Point2i((size.x-tex->get_width())/2,middle_sep+(sep-tex->get_height())/2));
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} else {
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//draw_style_box( get_stylebox("bg"), Rect2(middle_sep,0,sep,get_size().height));
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if (dragger_visibility==DRAGGER_VISIBLE)
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draw_texture(tex,Point2i(middle_sep+(sep-tex->get_width())/2,(size.y-tex->get_height())/2));
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}
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} break;
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}
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}
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void SplitContainer::_input_event(const InputEvent& p_event) {
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if (collapsed || !_getch(0) || !_getch(1) || dragger_visibility!=DRAGGER_VISIBLE)
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return;
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if (p_event.type==InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &mb=p_event.mouse_button;
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if (mb.button_index==BUTTON_LEFT) {
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if (mb.pressed) {
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int sep=get_constant("separation");
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if (vertical) {
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if (mb.y > middle_sep && mb.y < middle_sep+sep) {
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dragging=true;
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drag_from=mb.y;
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drag_ofs=expand_ofs;
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}
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} else {
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if (mb.x > middle_sep && mb.x < middle_sep+sep) {
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dragging=true;
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drag_from=mb.x;
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drag_ofs=expand_ofs;
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}
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}
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} else {
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dragging=false;
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}
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}
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}
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if (p_event.type==InputEvent::MOUSE_MOTION) {
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const InputEventMouseMotion &mm=p_event.mouse_motion;
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if (dragging) {
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expand_ofs=drag_ofs+((vertical?mm.y:mm.x)-drag_from);
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queue_sort();
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emit_signal("dragged",get_split_offset());
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}
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}
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}
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Control::CursorShape SplitContainer::get_cursor_shape(const Point2& p_pos) const {
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if (collapsed)
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return Control::get_cursor_shape(p_pos);
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if (dragging)
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return (vertical?CURSOR_VSIZE:CURSOR_HSIZE);
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int sep=get_constant("separation");
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if (vertical) {
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if (p_pos.y > middle_sep && p_pos.y < middle_sep+sep) {
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return CURSOR_VSIZE;
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}
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} else {
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if (p_pos.x > middle_sep && p_pos.x < middle_sep+sep) {
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return CURSOR_HSIZE;
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}
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}
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return Control::get_cursor_shape(p_pos);
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}
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void SplitContainer::set_split_offset(int p_offset) {
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if (expand_ofs==p_offset)
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return;
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expand_ofs=p_offset;
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queue_sort();
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}
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int SplitContainer::get_split_offset() const {
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return expand_ofs;
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}
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void SplitContainer::set_collapsed(bool p_collapsed) {
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if (collapsed==p_collapsed)
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return;
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collapsed=p_collapsed;
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queue_sort();
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}
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void SplitContainer::set_dragger_visibility(DraggerVisibility p_visibility) {
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dragger_visibility=p_visibility;
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queue_sort();
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update();
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}
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SplitContainer::DraggerVisibility SplitContainer::get_dragger_visibility() const {
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return dragger_visibility;
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}
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bool SplitContainer::is_collapsed() const {
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return collapsed;
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}
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void SplitContainer::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_input_event"),&SplitContainer::_input_event);
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ObjectTypeDB::bind_method(_MD("set_split_offset","offset"),&SplitContainer::set_split_offset);
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ObjectTypeDB::bind_method(_MD("get_split_offset"),&SplitContainer::get_split_offset);
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ObjectTypeDB::bind_method(_MD("set_collapsed","collapsed"),&SplitContainer::set_collapsed);
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ObjectTypeDB::bind_method(_MD("is_collapsed"),&SplitContainer::is_collapsed);
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ObjectTypeDB::bind_method(_MD("set_dragger_visibility","mode"),&SplitContainer::set_dragger_visibility);
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ObjectTypeDB::bind_method(_MD("get_dragger_visibility"),&SplitContainer::get_dragger_visibility);
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ADD_SIGNAL( MethodInfo("dragged",PropertyInfo(Variant::INT,"offset")));
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ADD_PROPERTY( PropertyInfo(Variant::INT,"split/offset"),_SCS("set_split_offset"),_SCS("get_split_offset"));
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ADD_PROPERTY( PropertyInfo(Variant::BOOL,"split/collapsed"),_SCS("set_collapsed"),_SCS("is_collapsed"));
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ADD_PROPERTY( PropertyInfo(Variant::INT,"split/dragger_visibility",PROPERTY_HINT_ENUM,"Visible,Hidden,Hidden & Collapsed"),_SCS("set_dragger_visibility"),_SCS("get_dragger_visibility"));
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BIND_CONSTANT( DRAGGER_VISIBLE );
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BIND_CONSTANT( DRAGGER_HIDDEN );
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BIND_CONSTANT( DRAGGER_HIDDEN_COLLAPSED );
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}
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SplitContainer::SplitContainer(bool p_vertical) {
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mouse_inside=false;
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expand_ofs=0;
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middle_sep=0;
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vertical=p_vertical;
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dragging=false;
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collapsed=false;
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dragger_visibility=DRAGGER_VISIBLE;
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}
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