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-rw-r--r--scene/gui/slider.cpp247
1 files changed, 247 insertions, 0 deletions
diff --git a/scene/gui/slider.cpp b/scene/gui/slider.cpp
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+++ b/scene/gui/slider.cpp
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+/*************************************************************************/
+/* slider.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 "slider.h"
+#include "os/keyboard.h"
+
+
+Size2 Slider::get_minimum_size() const {
+
+ Ref<StyleBox> style = get_stylebox("slider");
+ Size2i ms = style->get_minimum_size()+style->get_center_size();
+ return ms;
+}
+
+void Slider::_input_event(InputEvent p_event) {
+
+
+
+ if (p_event.type==InputEvent::MOUSE_BUTTON) {
+
+ InputEventMouseButton &mb = p_event.mouse_button;
+ if (mb.button_index==BUTTON_LEFT) {
+
+ if (mb.pressed) {
+ grab.pos=orientation==VERTICAL?mb.y:mb.x;
+ double max = orientation==VERTICAL ? get_size().height : get_size().width ;
+ set_val( ( ( (double)grab.pos / max) * ( get_max() - get_min() ) ) + get_min() );
+ grab.active=true;
+ grab.uvalue=get_unit_value();
+ } else {
+ grab.active=false;
+ }
+ } else if (mb.pressed && mb.button_index==BUTTON_WHEEL_UP) {
+
+ set_val( get_val() + get_step());
+ } else if (mb.pressed && mb.button_index==BUTTON_WHEEL_DOWN) {
+ set_val( get_val() - get_step());
+ }
+
+ } else if (p_event.type==InputEvent::MOUSE_MOTION) {
+
+ if (grab.active) {
+
+ Size2i size = get_size();
+ Ref<Texture> grabber = get_icon("grabber");
+ float motion = (orientation==VERTICAL?p_event.mouse_motion.y:p_event.mouse_motion.x) - grab.pos;
+ if (orientation==VERTICAL)
+ motion=-motion;
+ float areasize = orientation==VERTICAL?size.height - grabber->get_size().height:size.width - grabber->get_size().width;
+ if (areasize<=0)
+ return;
+ float umotion = motion / float(areasize);
+ set_unit_value( grab.uvalue + umotion );
+ }
+ } else {
+
+ if (p_event.is_action("ui_left") && p_event.is_pressed()) {
+
+ if (orientation!=HORIZONTAL)
+ return;
+ set_val( get_val() - (custom_step>=0?custom_step:get_step()) );
+ accept_event();
+ } else if (p_event.is_action("ui_right") && p_event.is_pressed()) {
+
+ if (orientation!=HORIZONTAL)
+ return;
+ set_val( get_val() + (custom_step>=0?custom_step:get_step()) );
+ accept_event();
+ } else if (p_event.is_action("ui_up") && p_event.is_pressed()) {
+
+ if (orientation!=VERTICAL)
+ return;
+
+ set_val( get_val() + (custom_step>=0?custom_step:get_step()) );
+ accept_event();
+ } else if (p_event.is_action("ui_down") && p_event.is_pressed()) {
+
+ if (orientation!=VERTICAL)
+ return;
+ set_val( get_val() - (custom_step>=0?custom_step:get_step()) );
+ accept_event();
+
+ } else if (p_event.type==InputEvent::KEY) {
+
+ const InputEventKey &k=p_event.key;
+
+ if (!k.pressed)
+ return;
+
+ switch (k.scancode) {
+
+ case KEY_HOME: {
+
+ set_val( get_min() );
+ accept_event();
+ } break;
+ case KEY_END: {
+
+ set_val( get_max() );
+ accept_event();
+
+ } break;
+
+ } ;
+ }
+ }
+
+}
+
+void Slider::_notification(int p_what) {
+
+
+ switch(p_what) {
+
+ case NOTIFICATION_MOUSE_ENTER: {
+
+ mouse_inside=true;
+ update();
+ } break;
+ case NOTIFICATION_MOUSE_EXIT: {
+
+ mouse_inside=false;
+ update();
+ } break;
+ case NOTIFICATION_DRAW: {
+ RID ci = get_canvas_item();
+ Size2i size = get_size();
+ Ref<StyleBox> style = get_stylebox("slider");
+ Ref<StyleBox> focus = get_stylebox("focus");
+ Ref<Texture> grabber = get_icon(mouse_inside||has_focus()?"grabber_hilite":"grabber");
+ Ref<Texture> tick = get_icon("tick");
+
+ if (orientation==VERTICAL) {
+
+ style->draw(ci,Rect2i(Point2i(),Size2i(style->get_minimum_size().width+style->get_center_size().width,size.height)));
+ //if (mouse_inside||has_focus())
+ // focus->draw(ci,Rect2i(Point2i(),Size2i(style->get_minimum_size().width+style->get_center_size().width,size.height)));
+ float areasize = size.height - grabber->get_size().height;
+ if (ticks>1) {
+ int tickarea = size.height - tick->get_height();
+ for(int i=0;i<ticks;i++) {
+ if( ! ticks_on_borders && (i == 0 || i + 1 == ticks) ) continue;
+ int ofs = i*tickarea/(ticks-1);
+ tick->draw(ci,Point2(0,ofs));
+ }
+
+ }
+ grabber->draw(ci,Point2i(size.width/2-grabber->get_size().width/2,size.height - get_unit_value()*areasize - grabber->get_size().height));
+ } else {
+ style->draw(ci,Rect2i(Point2i(),Size2i(size.width,style->get_minimum_size().height+style->get_center_size().height)));
+ //if (mouse_inside||has_focus())
+ // focus->draw(ci,Rect2i(Point2i(),Size2i(size.width,style->get_minimum_size().height+style->get_center_size().height)));
+
+ float areasize = size.width - grabber->get_size().width;
+ if (ticks>1) {
+ int tickarea = size.width - tick->get_width();
+ for(int i=0;i<ticks;i++) {
+ if( (! ticks_on_borders) && ( (i == 0) || ((i + 1) == ticks)) ) continue;
+ int ofs = i*tickarea/(ticks-1);
+ tick->draw(ci,Point2(ofs,0));
+ }
+
+ }
+ grabber->draw(ci,Point2i(get_unit_value()*areasize,size.height/2-grabber->get_size().height/2));
+ }
+
+ } break;
+ }
+}
+
+void Slider::set_custom_step(float p_custom_step) {
+
+ custom_step=p_custom_step;
+}
+
+float Slider::get_custom_step() const {
+
+ return custom_step;
+}
+
+void Slider::set_ticks(int p_count) {
+
+ ticks=p_count;
+ update();
+}
+
+int Slider::get_ticks() const {
+
+ return ticks;
+}
+
+bool Slider::get_ticks_on_borders() const{
+ return ticks_on_borders;
+}
+
+void Slider::set_ticks_on_borders(bool _tob){
+ ticks_on_borders = _tob;
+ update();
+}
+
+void Slider::_bind_methods() {
+
+ ObjectTypeDB::bind_method(_MD("_input_event"),&Slider::_input_event);
+ ObjectTypeDB::bind_method(_MD("set_ticks","count"),&Slider::set_ticks);
+ ObjectTypeDB::bind_method(_MD("get_ticks"),&Slider::get_ticks);
+
+ ObjectTypeDB::bind_method(_MD("get_ticks_on_borders"),&Slider::get_ticks_on_borders);
+ ObjectTypeDB::bind_method(_MD("set_ticks_on_borders","ticks_on_border"),&Slider::set_ticks_on_borders);
+
+ ADD_PROPERTY( PropertyInfo( Variant::INT, "tick_count", PROPERTY_HINT_RANGE,"0,4096,1"), _SCS("set_ticks"), _SCS("get_ticks") );
+ ADD_PROPERTY( PropertyInfo( Variant::BOOL, "ticks_on_borders" ), _SCS("set_ticks_on_borders"), _SCS("get_ticks_on_borders") );
+
+}
+
+Slider::Slider(Orientation p_orientation) {
+ orientation=p_orientation;
+ mouse_inside=false;
+ grab.active=false;
+ ticks=0;
+ custom_step=-1;
+ set_focus_mode(FOCUS_ALL);
+}