0dbedd18fc
-=-=-=-=-=-=-=-=-=-=-=-=-=- *YOUR SOURCE MIGHT NOT WORK* For mor information on fix: https://github.com/okamstudio/godot/wiki/devel_scene_tree Other stuff: -Shower of bullets demo -Fixes all around
846 lines
19 KiB
C++
846 lines
19 KiB
C++
/*************************************************************************/
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/* scroll_bar.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) 2007-2014 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 "scroll_bar.h"
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#include "os/keyboard.h"
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#include "print_string.h"
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#include "os/os.h"
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bool ScrollBar::focus_by_default=false;
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void ScrollBar::set_can_focus_by_default(bool p_can_focus) {
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focus_by_default=p_can_focus;
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}
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void ScrollBar::_input_event(InputEvent p_event) {
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switch(p_event.type) {
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case InputEvent::MOUSE_BUTTON: {
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const InputEventMouseButton &b=p_event.mouse_button;
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accept_event();
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if (b.button_index==5 && b.pressed) {
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if (orientation==VERTICAL)
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set_val( get_val() + get_page() / 4.0 );
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else
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set_val( get_val() + get_page() / 4.0 );
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accept_event();
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}
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if (b.button_index==4 && b.pressed) {
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if (orientation==HORIZONTAL)
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set_val( get_val() - get_page() / 4.0 );
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else
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set_val( get_val() - get_page() / 4.0 );
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accept_event();
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}
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if (b.button_index!=1)
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return;
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if (b.pressed) {
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double ofs = orientation==VERTICAL ? b.y : b.x ;
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Ref<Texture> decr = get_icon("decrement");
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Ref<Texture> incr = get_icon("increment");
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double decr_size = orientation==VERTICAL ? decr->get_height() : decr->get_width();
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double incr_size = orientation==VERTICAL ? incr->get_height() : incr->get_width();
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double grabber_ofs = get_grabber_offset();
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double grabber_size = get_grabber_size();
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double total = orientation==VERTICAL ? get_size().height : get_size().width;
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if (ofs < decr_size ) {
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set_val( get_val() - (custom_step>=0?custom_step:get_step()) );
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break;
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}
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if (ofs > total-incr_size ) {
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set_val( get_val() + (custom_step>=0?custom_step:get_step()) );
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break;
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}
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ofs-=decr_size;
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if ( ofs < grabber_ofs ) {
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set_val( get_val() - get_page() );
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break;
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}
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ofs-=grabber_ofs;
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if (ofs < grabber_size ) {
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drag.active=true;
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drag.pos_at_click=grabber_ofs+ofs;
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drag.value_at_click=get_unit_value();
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update();
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} else {
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set_val( get_val() + get_page() );
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}
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} else {
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drag.active=false;
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update();
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}
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} break;
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case InputEvent::MOUSE_MOTION: {
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const InputEventMouseMotion &m=p_event.mouse_motion;
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accept_event();
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if (drag.active) {
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double ofs = orientation==VERTICAL ? m.y : m.x ;
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Ref<Texture> decr = get_icon("decrement");
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double decr_size = orientation==VERTICAL ? decr->get_height() : decr->get_width();
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ofs-=decr_size;
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double diff = (ofs-drag.pos_at_click) / get_area_size();
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set_unit_value( drag.value_at_click + diff );
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} else {
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double ofs = orientation==VERTICAL ? m.y : m.x ;
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Ref<Texture> decr = get_icon("decrement");
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Ref<Texture> incr = get_icon("increment");
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double decr_size = orientation==VERTICAL ? decr->get_height() : decr->get_width();
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double incr_size = orientation==VERTICAL ? incr->get_height() : incr->get_width();
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double total = orientation==VERTICAL ? get_size().height : get_size().width;
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HiliteStatus new_hilite;
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if (ofs < decr_size ) {
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new_hilite=HILITE_DECR;
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} else if (ofs > total-incr_size ) {
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new_hilite=HILITE_INCR;
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} else {
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new_hilite=HILITE_RANGE;
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}
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if (new_hilite!=hilite) {
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hilite=new_hilite;
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update();
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}
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}
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} break;
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case InputEvent::KEY: {
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const InputEventKey &k=p_event.key;
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if (!k.pressed)
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return;
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switch (k.scancode) {
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case KEY_LEFT: {
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if (orientation!=HORIZONTAL)
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return;
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set_val( get_val() - (custom_step>=0?custom_step:get_step()) );
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} break;
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case KEY_RIGHT: {
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if (orientation!=HORIZONTAL)
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return;
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set_val( get_val() + (custom_step>=0?custom_step:get_step()) );
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} break;
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case KEY_UP: {
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if (orientation!=VERTICAL)
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return;
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set_val( get_val() - (custom_step>=0?custom_step:get_step()) );
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} break;
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case KEY_DOWN: {
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if (orientation!=VERTICAL)
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return;
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set_val( get_val() + (custom_step>=0?custom_step:get_step()) );
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} break;
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case KEY_HOME: {
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set_val( get_min() );
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} break;
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case KEY_END: {
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set_val( get_max() );
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} break;
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} break;
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}
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}
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}
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void ScrollBar::_notification(int p_what) {
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if (p_what==NOTIFICATION_DRAW) {
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RID ci = get_canvas_item();
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Ref<Texture> decr = hilite==HILITE_DECR ? get_icon("decrement_hilite") : get_icon("decrement");
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Ref<Texture> incr = hilite==HILITE_INCR ? get_icon("increment_hilite") : get_icon("increment");
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Ref<StyleBox> bg = has_focus() ? get_stylebox("scroll_focus") : get_stylebox("scroll");
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Ref<StyleBox> grabber = (drag.active || hilite==HILITE_RANGE) ? get_stylebox("grabber_hilite") : get_stylebox("grabber");
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Point2 ofs;
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VisualServer *vs = VisualServer::get_singleton();
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vs->canvas_item_add_texture_rect( ci, Rect2( Point2(), decr->get_size()),decr->get_rid() );
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if (orientation==HORIZONTAL)
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ofs.x+=decr->get_width();
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else
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ofs.y+=decr->get_height();
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Size2 area=get_size();
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if (orientation==HORIZONTAL)
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area.width-=incr->get_width()+decr->get_width();
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else
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area.height-=incr->get_height()+decr->get_height();
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bg->draw(ci,Rect2(ofs,area));
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if (orientation==HORIZONTAL)
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ofs.width+=area.width;
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else
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ofs.height+=area.height;
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vs->canvas_item_add_texture_rect( ci, Rect2( ofs, decr->get_size()),incr->get_rid() );
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Rect2 grabber_rect;
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if (orientation==HORIZONTAL) {
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grabber_rect.size.width=get_grabber_size();
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grabber_rect.size.height=get_size().height;
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grabber_rect.pos.y=0;
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grabber_rect.pos.x=get_grabber_offset()+decr->get_width()+bg->get_margin( MARGIN_LEFT );
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} else {
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grabber_rect.size.width=get_size().width;
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grabber_rect.size.height=get_grabber_size();
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grabber_rect.pos.y=get_grabber_offset()+decr->get_height()+bg->get_margin( MARGIN_TOP );
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grabber_rect.pos.x=0;
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}
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grabber->draw(ci,grabber_rect);
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}
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if (p_what==NOTIFICATION_ENTER_TREE) {
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if (has_node(drag_slave_path)) {
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Node *n = get_node(drag_slave_path);
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drag_slave=n->cast_to<Control>();
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}
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if (drag_slave) {
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drag_slave->connect("input_event",this,"_drag_slave_input");
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drag_slave->connect("exit_tree",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
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}
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}
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if (p_what==NOTIFICATION_EXIT_TREE) {
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if (drag_slave) {
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drag_slave->disconnect("input_event",this,"_drag_slave_input");
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drag_slave->disconnect("exit_tree",this,"_drag_slave_exit");
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}
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drag_slave=NULL;
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}
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if (p_what==NOTIFICATION_FIXED_PROCESS) {
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if (drag_slave_touching) {
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if (drag_slave_touching_deaccel) {
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Vector2 pos = Vector2(orientation==HORIZONTAL?get_val():0,orientation==VERTICAL?get_val():0);
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pos+=drag_slave_speed*get_fixed_process_delta_time();
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bool turnoff=false;
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if (orientation==HORIZONTAL) {
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if (pos.x<0) {
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pos.x=0;
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turnoff=true;
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}
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if (pos.x > (get_max()-get_page())) {
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pos.x=get_max()-get_page();
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turnoff=true;
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}
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set_val(pos.x);
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float sgn_x = drag_slave_speed.x<0? -1 : 1;
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float val_x = Math::abs(drag_slave_speed.x);
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val_x-=1000*get_fixed_process_delta_time();
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if (val_x<0) {
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turnoff=true;
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}
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drag_slave_speed.x=sgn_x*val_x;
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} else {
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if (pos.y<0) {
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pos.y=0;
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turnoff=true;
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}
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if (pos.y > (get_max()-get_page())) {
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pos.y=get_max()-get_page();
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turnoff=true;
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}
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set_val(pos.y);
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float sgn_y = drag_slave_speed.y<0? -1 : 1;
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float val_y = Math::abs(drag_slave_speed.y);
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val_y-=1000*get_fixed_process_delta_time();
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if (val_y<0) {
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turnoff=true;
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}
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drag_slave_speed.y=sgn_y*val_y;
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}
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if (turnoff) {
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set_fixed_process(false);
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drag_slave_touching=false;
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drag_slave_touching_deaccel=false;
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}
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} else {
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if (time_since_motion==0 || time_since_motion>0.1) {
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Vector2 diff = drag_slave_accum - last_drag_slave_accum;
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last_drag_slave_accum=drag_slave_accum;
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drag_slave_speed=diff/get_fixed_process_delta_time();
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}
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time_since_motion+=get_fixed_process_delta_time();
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}
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}
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}
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if (p_what==NOTIFICATION_MOUSE_EXIT) {
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hilite=HILITE_NONE;
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update();
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}
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}
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double ScrollBar::get_grabber_min_size() const {
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Ref<StyleBox> grabber=get_stylebox("grabber");
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Size2 gminsize=grabber->get_minimum_size()+grabber->get_center_size();
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return (orientation==VERTICAL)?gminsize.height:gminsize.width;
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}
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double ScrollBar::get_grabber_size() const {
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float range = get_max()-get_min();
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if (range<=0)
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return 0;
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float page = (get_page()>0)? get_page() : 0;
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// if (grabber_range < get_step())
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// grabber_range=get_step();
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double area_size=get_area_size();
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double grabber_size = page / range * area_size;
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return grabber_size+get_grabber_min_size();
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}
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double ScrollBar::get_area_size() const {
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if (orientation==VERTICAL) {
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double area=get_size().height;
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area-=get_stylebox("scroll")->get_minimum_size().height;
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area-=get_icon("increment")->get_height();
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area-=get_icon("decrement")->get_height();
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area-=get_grabber_min_size();
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return area;
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} else if (orientation==HORIZONTAL) {
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double area=get_size().width;
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area-=get_stylebox("scroll")->get_minimum_size().width;
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area-=get_icon("increment")->get_width();
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area-=get_icon("decrement")->get_width();
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area-=get_grabber_min_size();
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return area;
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} else {
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return 0;
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}
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}
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double ScrollBar::get_area_offset() const {
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double ofs=0;
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if (orientation==VERTICAL) {
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ofs+=get_stylebox("hscroll")->get_margin( MARGIN_TOP );
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ofs+=get_icon("decrement")->get_height();
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}
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if (orientation==HORIZONTAL) {
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ofs+=get_stylebox("hscroll")->get_margin( MARGIN_LEFT );
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ofs+=get_icon("decrement")->get_width();
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}
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return ofs;
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}
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double ScrollBar::get_click_pos(const Point2& p_pos) const {
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float pos=(orientation==VERTICAL)?p_pos.y:p_pos.x;
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pos-=get_area_offset();
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float area=get_area_size();
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if (area==0)
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return 0;
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else
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return pos/area;
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}
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double ScrollBar::get_grabber_offset() const {
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return (get_area_size()) * get_unit_value();
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}
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Size2 ScrollBar::get_minimum_size() const {
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Ref<Texture> incr = get_icon("increment");
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Ref<Texture> decr = get_icon("decrement");
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Ref<StyleBox> bg = get_stylebox("scroll");
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Size2 minsize;
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if (orientation==VERTICAL) {
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minsize.width=MAX(incr->get_size().width,(bg->get_minimum_size()+bg->get_center_size()).width);
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minsize.height+=incr->get_size().height;
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minsize.height+=decr->get_size().height;
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minsize.height+=bg->get_minimum_size().height;
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minsize.height+=get_grabber_min_size();
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}
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if (orientation==HORIZONTAL) {
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minsize.height=MAX(incr->get_size().height,(bg->get_center_size()+bg->get_minimum_size()).height);
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minsize.width+=incr->get_size().width;
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minsize.width+=decr->get_size().width;
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minsize.width+=bg->get_minimum_size().width;
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minsize.width+=get_grabber_min_size();
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}
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return minsize;
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}
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void ScrollBar::set_custom_step(float p_custom_step) {
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custom_step=p_custom_step;
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}
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float ScrollBar::get_custom_step() const {
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return custom_step;
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}
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void ScrollBar::_drag_slave_exit() {
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if (drag_slave) {
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drag_slave->disconnect("input_event",this,"_drag_slave_input");
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}
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drag_slave=NULL;
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}
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void ScrollBar::_drag_slave_input(const InputEvent& p_input) {
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switch(p_input.type) {
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case InputEvent::MOUSE_BUTTON: {
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const InputEventMouseButton &mb=p_input.mouse_button;
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|
|
|
if (mb.button_index!=1)
|
|
break;
|
|
|
|
if (mb.pressed) {
|
|
|
|
if (drag_slave_touching) {
|
|
set_fixed_process(false);
|
|
drag_slave_touching_deaccel=false;
|
|
drag_slave_touching=false;
|
|
drag_slave_speed=Vector2();
|
|
drag_slave_accum=Vector2();
|
|
last_drag_slave_accum=Vector2();
|
|
drag_slave_from=Vector2();
|
|
}
|
|
|
|
if (true) {
|
|
drag_slave_speed=Vector2();
|
|
drag_slave_accum=Vector2();
|
|
last_drag_slave_accum=Vector2();
|
|
//drag_slave_from=Vector2(h_scroll->get_val(),v_scroll->get_val());
|
|
drag_slave_from= Vector2(orientation==HORIZONTAL?get_val():0,orientation==VERTICAL?get_val():0);
|
|
|
|
drag_slave_touching=OS::get_singleton()->has_touchscreen_ui_hint();
|
|
drag_slave_touching_deaccel=false;
|
|
time_since_motion=0;
|
|
if (drag_slave_touching) {
|
|
set_fixed_process(true);
|
|
time_since_motion=0;
|
|
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
if (drag_slave_touching) {
|
|
|
|
if (drag_slave_speed==Vector2()) {
|
|
drag_slave_touching_deaccel=false;
|
|
drag_slave_touching=false;
|
|
set_fixed_process(false);
|
|
} else {
|
|
|
|
drag_slave_touching_deaccel=true;
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
case InputEvent::MOUSE_MOTION: {
|
|
|
|
const InputEventMouseMotion &mm=p_input.mouse_motion;
|
|
|
|
if (drag_slave_touching && ! drag_slave_touching_deaccel) {
|
|
|
|
Vector2 motion = Vector2(mm.relative_x,mm.relative_y);
|
|
|
|
drag_slave_accum-=motion;
|
|
Vector2 diff = drag_slave_from+drag_slave_accum;
|
|
|
|
if (orientation==HORIZONTAL)
|
|
set_val(diff.x);
|
|
//else
|
|
// drag_slave_accum.x=0;
|
|
if (orientation==VERTICAL)
|
|
set_val(diff.y);
|
|
//else
|
|
// drag_slave_accum.y=0;
|
|
time_since_motion=0;
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
|
|
void ScrollBar::set_drag_slave(const NodePath& p_path) {
|
|
|
|
if (is_inside_tree()) {
|
|
|
|
if (drag_slave) {
|
|
drag_slave->disconnect("input_event",this,"_drag_slave_input");
|
|
drag_slave->disconnect("exit_tree",this,"_drag_slave_exit");
|
|
}
|
|
}
|
|
|
|
drag_slave=NULL;
|
|
drag_slave_path=p_path;
|
|
|
|
if (is_inside_tree()) {
|
|
|
|
if (has_node(p_path)) {
|
|
Node *n = get_node(p_path);
|
|
drag_slave=n->cast_to<Control>();
|
|
}
|
|
|
|
if (drag_slave) {
|
|
drag_slave->connect("input_event",this,"_drag_slave_input");
|
|
drag_slave->connect("exit_tree",this,"_drag_slave_exit",varray(),CONNECT_ONESHOT);
|
|
}
|
|
}
|
|
}
|
|
|
|
NodePath ScrollBar::get_drag_slave() const{
|
|
|
|
|
|
return drag_slave_path;
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
void ScrollBar::mouse_button(const Point2& p_pos, int b.button_index,bool b.pressed,int p_modifier_mask) {
|
|
|
|
// wheel!
|
|
|
|
if (b.button_index==BUTTON_WHEEL_UP && b.pressed) {
|
|
|
|
if (orientation==VERTICAL)
|
|
set_val( get_val() - get_page() / 4.0 );
|
|
else
|
|
set_val( get_val() + get_page() / 4.0 );
|
|
|
|
}
|
|
if (b.button_index==BUTTON_WHEEL_DOWN && b.pressed) {
|
|
|
|
if (orientation==HORIZONTAL)
|
|
set_val( get_val() - get_page() / 4.0 );
|
|
else
|
|
set_val( get_val() + get_page() / 4.0 );
|
|
}
|
|
|
|
if (b.button_index!=BUTTON_LEFT)
|
|
return;
|
|
|
|
if (b.pressed) {
|
|
|
|
int ofs = orientation==VERTICAL ? p_pos.y : p_pos.x ;
|
|
int grabber_ofs = get_grabber_offset();
|
|
int grabber_size = get_grabber_size();
|
|
|
|
if ( ofs < grabber_ofs ) {
|
|
|
|
set_val( get_val() - get_page() );
|
|
|
|
} else if (ofs > grabber_ofs + grabber_size ) {
|
|
|
|
set_val( get_val() + get_page() );
|
|
|
|
} else {
|
|
|
|
|
|
drag.active=true;
|
|
drag.pos_at_click=get_click_pos(p_pos);
|
|
drag.value_at_click=get_unit_value();
|
|
}
|
|
|
|
|
|
} else {
|
|
|
|
drag.active=false;
|
|
}
|
|
|
|
}
|
|
void ScrollBar::mouse_motion(const Point2& p_pos, const Point2& p_rel, int b.button_index_mask) {
|
|
|
|
if (!drag.active)
|
|
return;
|
|
|
|
double value_ofs=drag.value_at_click+(get_click_pos(p_pos)-drag.pos_at_click);
|
|
|
|
|
|
value_ofs=value_ofs*( get_max() - get_min() );
|
|
if (value_ofs<get_min())
|
|
value_ofs=get_min();
|
|
if (value_ofs>(get_max()-get_page()))
|
|
value_ofs=get_max()-get_page();
|
|
if (get_val()==value_ofs)
|
|
return; //dont bother if the value is the same
|
|
|
|
set_val( value_ofs );
|
|
|
|
}
|
|
|
|
bool ScrollBar::key(unsigned long p_unicode, unsigned long p_scan_code,bool b.pressed,bool p_repeat,int p_modifier_mask) {
|
|
|
|
if (!b.pressed)
|
|
return false;
|
|
|
|
switch (p_scan_code) {
|
|
|
|
case KEY_LEFT: {
|
|
|
|
if (orientation!=HORIZONTAL)
|
|
return false;
|
|
set_val( get_val() - get_step() );
|
|
|
|
} break;
|
|
case KEY_RIGHT: {
|
|
|
|
if (orientation!=HORIZONTAL)
|
|
return false;
|
|
set_val( get_val() + get_step() );
|
|
|
|
} break;
|
|
case KEY_UP: {
|
|
|
|
if (orientation!=VERTICAL)
|
|
return false;
|
|
|
|
set_val( get_val() - get_step() );
|
|
|
|
|
|
} break;
|
|
case KEY_DOWN: {
|
|
|
|
if (orientation!=VERTICAL)
|
|
return false;
|
|
set_val( get_val() + get_step() );
|
|
|
|
} break;
|
|
case KEY_HOME: {
|
|
|
|
set_val( get_min() );
|
|
|
|
} break;
|
|
case KEY_END: {
|
|
|
|
set_val( get_max() );
|
|
|
|
} break;
|
|
|
|
default:
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
void ScrollBar::_bind_methods() {
|
|
|
|
ObjectTypeDB::bind_method(_MD("_input_event"),&ScrollBar::_input_event);
|
|
ObjectTypeDB::bind_method(_MD("set_custom_step","step"),&ScrollBar::set_custom_step);
|
|
ObjectTypeDB::bind_method(_MD("get_custom_step"),&ScrollBar::get_custom_step);
|
|
ObjectTypeDB::bind_method(_MD("_drag_slave_input"),&ScrollBar::_drag_slave_input);
|
|
ObjectTypeDB::bind_method(_MD("_drag_slave_exit"),&ScrollBar::_drag_slave_exit);
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::REAL,"custom_step",PROPERTY_HINT_RANGE,"-1,4096"), _SCS("set_custom_step"),_SCS("get_custom_step"));
|
|
|
|
}
|
|
|
|
|
|
ScrollBar::ScrollBar(Orientation p_orientation)
|
|
{
|
|
|
|
|
|
orientation=p_orientation;
|
|
hilite=HILITE_NONE;
|
|
custom_step=-1;
|
|
drag_slave=NULL;
|
|
|
|
drag.active=false;
|
|
|
|
drag_slave_speed=Vector2();
|
|
drag_slave_touching=false;
|
|
drag_slave_touching_deaccel=false;
|
|
|
|
if (focus_by_default)
|
|
set_focus_mode( FOCUS_ALL );
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
ScrollBar::~ScrollBar()
|
|
{
|
|
}
|
|
|
|
|