gravity.kv

#:kivy 1.11.0

#:import ucd unicodedata
#:import Clrchooser customwidgets.ColourChooserPopup
#:import SaveDialog customwidgets.SaveFileDialog
#:import OpenDialog customwidgets.OpenFileDialog
#:import BGLabel customwidgets.BGLabel
#:import StencilBox customwidgets.StencilBox
#:import NumEntry customwidgets.NumEntry

<Spacer@Widget>:
	size_hint: 0.15, 0.15
	
<MButton@Button>:
	markup: True
	size_hint_x: 0.9
	
<IconButton@Button>:
	markup: True
	font_size: '32dp'
	background_normal: 'icons/blackbg2.png'
	border: [10,1,1,1]
	#text_size: self.size
	size_hint_x: 0.8
<IconToggleButton@ToggleButton>:
	markup: True
	font_size: '32dp'
	background_normal: 'icons/blackbg2.png'
	background_down: 'icons/whitebg3.png'

<Sep@Image>:
	source: 'atlas://data/images/defaulttheme/separator'
	size_hint: (None, 1)
	allow_stretch: True
	keep_ratio: False
	width: '4dp'

<GravityAppUI>:

	tabpanel: tabpanel
	acnview: acnview
	createtab: createtab
	simultab: simultab
	calctab: calctab
	settingtab: settingtab
	
	createarea: createarea
	templatebtn: templatebtn
	simulator: simulator
	calculators: calculators
	
	orientation: 'vertical'
	
	ActionBar:
		ActionView:
			id: acnview
			ActionPrevious:
				with_previous: False
				app_icon: "icons/Solar-system.png"
				title: "Gravity"
				on_release: app.root.infodialog.open()
			ActionButton:
				text: "Info"
				on_release: app.root.helpdialog.open()
			ActionLabel :
				text: "Status : "
			ActionButton : 
				background_normal: "icons/transparent.png"
				background_down: "icons/transparent.png"
				icon: root.simulator.simstateicon
				color: root.simulator.simstatecolour
				text: root.simulator.simstatetext
			
	TabbedPanel:
		id: tabpanel
		#border: [0,0,0,0]
		#strip_border: [0,0,0,0]
		tab_pos: root.tabpos
		tab_width: self.height // len(self.tab_list) if ('left' in self.tab_pos or 'right' in self.tab_pos) else self.width // len(self.tab_list)
		tab_height: '35dp'
		do_default_tab: False
		
		TabbedPanelItem:
			id: createtab
			text: "Create"
			
			BoxLayout:
				orientation: 'vertical'
				Label:
					size_hint_y: None
					height: '15dp'
				BoxLayout:
					id: createcontrols
					size_hint: 1, None
					height: '50dp'
					pos_hint: {'top':1}
					Spacer:
					MButton:
						text: u" [font=fonts/Iconize-Italic][size=30]+ [/size][/font] Add   "
						color: [0.6, 0.9, 1, 1]
						background_color: [0, 0, 0.5, 1]
						on_release: root.addobj()
					MButton:
						text: u" [font=fonts/Iconize-Italic][size=30]{} [/size][/font] Run   ".format(ucd.lookup('RIGHTWARDS ARROW'))
						color: [0.6, 0.9, 0.6, 1]
						background_color: [0.1, 0.4, 0, 1]
						on_release: root.run()
					MButton:
						text: u"[font=fonts/Iconize][size=30] s [/size][/font] Save   "
						on_release: SaveDialog(rootdir=app.config.get('app', 'rootpath'), show=True, action=root.savetofile, fileobj=True, ext='.gty')
					MButton:
						text: u"[font=fonts/Iconize][size=30] o [/size][/font] Load   "
						on_release: OpenDialog(rootdir=app.config.get('app', 'rootpath'), show=True, action=root.loadfile, fileobj=True)
					MButton:
						text: u"[font=fonts/Iconize-Italic][size=30] e [/size][/font] Clear   "
						on_release: root.clearinputs()
					Spinner:
						id: templatebtn
						markup: True
						text_autoupdate: False
						background_color: [0.75, 0.75, 0.45, 1]
						text: u"[font=fonts/Iconize-Italic][size=30] c [/size][/font] Templates   "
						values: 'a', 'b', 'c'
						on_text: root.loadtemplate(text=self.text)
					Spacer:
				Label:
					size_hint_y: None
					height: '15dp'
					
				#Spacer:
				ScrollView:
					id: create_scrollarea
					size_hint: 1, 1
					do_scroll_y: True
					bar_width: '10dp'
					scroll_type: ['bars', 'content']
					canvas.before:
						Color:
							rgba: 0.05, 0.05, 0.05, 1
						Rectangle:
							size: self.size
							pos: self.pos
					BoxLayout:
						id: createarea
						height: self.minimum_height
						padding: '10dp'
						size_hint_y: None
						orientation: 'vertical'
						on_children: root._updateinputindices()
						Label:
							size_hint_y: None
							height: '30dp'
							halign: 'left'
							font_size: '14dp'
							color: [0.8, 0.8, 0.8, 1]
							text: "Add objects to be simulated and specify their initial coordinates and parameters here : "
						SettingSpacer:
						
					
			
		TabbedPanelItem:
			id: simultab
			text: "Simulation"
			
			Simulator:
				id: simulator
				
			
		TabbedPanelItem:
			id: calctab
			text: "Calculators"

			ScrollView:
				id: calc_scrollarea
				size_hint: 1, 1
				do_scroll_y: True
				bar_width: '10dp'
				scroll_type: ['bars', 'content']
				canvas.before:
					Color:
						rgba: 0.05, 0.05, 0.05, 1
					Rectangle:
						size: self.size
						pos: self.pos
				BoxLayout:
					orientation: "vertical"
					height: self.minimum_height
					padding: '10dp'
					size_hint_y: None
					Label:
						size_hint_y: None
						height: '50dp'
						halign: 'center'
						font_size: '14dp'
						color: [0.8, 0.8, 0.8, 1]
						line_height: 1.5
						text: "Solve simple equations for a 2 body Newtonian system\nEnter any values below and the rest will be automatically calculated when there is enough info."
					SettingSpacer:

					Calculators:
						id: calculators

			
		TabbedPanelItem:
			id: settingtab
			text: "Settings"
			on_release: app.open_settings()


<PlanetInput>:
	orientation: 'vertical'
	size_hint: 1, None
	height: '140dp' #self.minimum_height
	
	idlbl: idlbl
	colour: colour
	mass: mass
	radius: radius
	trail: trail
	pos0: pos0
	pos1: pos1
	vel0: vel0
	vel1: vel1
	close: close
	
	BoxLayout:
		orientation: 'horizontal'
		spacing: '10dp'
		padding: '20dp'
		BGLabel :
			id: idlbl
			size_hint_x: None
			width: '30dp'
			text: str(root.index)
			bgcolour: root.inicolour
		BoxLayout:
			orientation: 'vertical'
			spacing: '5dp'
			GridLayout:
				rows: 1
				Label:
					text: "Colour : "
				Button:
					id: colour
					text: "Change"
					font_size: '10dp'
					background_color: root.inicolour
					on_release: Clrchooser(colour=self.background_color, action=root.setcolour, show=True)
				Label:
					text: "Mass : "
				NumEntry:
					id: mass
					on_text: root.find_rad()
				Label :
					text: "Radius : "
				NumEntry:
					id: radius
					readonly: root.autoradius
					cursor_blink: False
			GridLayout:
				rows: 1
				Label:
					size_hint_x: 0.2
					text: "Trail : {}".format(int(root.t_scale*trail.value))
				Slider:
					id: trail
					min: 0
					max: 2000
					step: 1
					value: 200
		GridLayout:
			cols: 2
			spacing: '5dp'
			Label: 
				text: " Position : "
			Label: 
				text: " Velocity : "
			NumEntry:
				id: pos0
				hint_text: "Mag." if root.usepolar else "X" #"Dist." if bool(app.config.getint('sim', 'polar')) else "X"
			NumEntry:
				id: vel0
				hint_text: "Mag." if root.usepolar else "X"
			NumEntry:
				id: pos1
				hint_text: "Dir." if root.usepolar else "Y"
			NumEntry:
				id: vel1
				hint_text: "Dir." if root.usepolar else "Y"
		MButton:
			id: close
			size_hint: 0.2, 0.95
			color: [0.8, 0.1, 0.1, 1]
			background_color: [0.8, 0, 0, 0.4]
			text: "[font=fonts/Iconize-Bold][size=50]X[/size][/font]"
			on_release: app.root.createarea.remove_widget(root)
	SettingSpacer:
		height: '5dp'
			

<Simulator>:
	orientation: "vertical"
	
	simcontrols: simcontrols
	scatter: scatter
	viewer: viewer
	ppbtn: ppbtn
	
	BoxLayout:
		id: simcontrols
		size_hint: (1, None)
		height: '60dp'
		pos_hint: {'left':0, 'right':1, 'top':1}
		padding: [8, 6]
		
		IconToggleButton:
			markup: True
			id: ppbtn
			font_size: '32dp'
			color: [0.2, 0.7, 0.1, 1]
			text: "[font=fonts/Iconize]PK[/font]"
			on_state: root.playpause(self.state)
		Sep:
		IconButton:
			text: "[font=fonts/Iconize]l[/font]"
			on_release: root.translate_left()
		IconButton:
			text: "[font=fonts/Iconize]u[/font]"
			on_release: root.translate_up()
		IconButton:
			text: "[font=fonts/Iconize]d[/font]"
			on_release: root.translate_down()
		IconButton:
			text: "[font=fonts/Iconize]r[/font]"
			on_release: root.translate_right()
		IconButton:
			text: "[font=fonts/Iconize-Bold]L[/font]"
			on_release: root.translate_origin()
		Sep:
		IconButton:
			text: "[font=fonts/Iconize-Italic]#[/font]"
			on_release: root.zoom_in()
		IconButton:
			text: "[font=fonts/Iconize-Italic]$[/font]"
			on_release: root.zoom_out()
		IconButton:
			text: "[font=fonts/Iconize-Italic]f[/font]"
			on_release: root.zoom_normal()
		Sep:
		IconButton:
			text: "[font=fonts/Iconize-Bold]y[/font]"
			on_release: root.rotate_cw()
		IconButton:
			text: "[font=fonts/Iconize-Bold]z[/font]"
			on_release: root.rotate_anticw()
		IconButton:
			text: "[font=fonts/Iconize-Bold])[/font]"
			on_release: root.rotate_normal()
		Sep:
		IconToggleButton:
			markup: True
			font_size: '32dp'
			color: [0.4, 0.7, 1, 1]
			text: "[font=fonts/Iconize-Italic]{}[/font]".format(ucd.lookup('LATIN SMALL LETTER U WITH MACRON'))
			on_state: root.showhidedata(self.state)
		Sep:
		IconButton:
			#color: [0.5, 0.1, 0.7, 1]
			text: "[font=fonts/Iconize]C[/font]"
			on_release: root.screenshot()
		Sep:
		IconButton:
			color: [0.9, 0.2, 0.2, 1]
			text: "[font=fonts/Iconize-Italic]/[/font]"
			on_release: root.delete()
		Sep:
		IconButton:
			color: [0.9, 0.2, 0.2, 1]
			text: "[font=fonts/Iconize],[/font]"
			on_release : root.stop()
	
	StencilBox:
		size: self.size
		pos: self.pos
		id: viewer
		
		ScatterPlane:
			id: scatter
			size_hint: (0.95, 0.95)
			auto_bring_to_front: False
			on_transform_with_touch: root._changesystemoffset()

		
<Calculators>:
	orientation: "vertical"
	size_hint: 1, None
	height: self.minimum_height

	cf_G: cf_G
	cf_M: cf_M
	cf_R: cf_R
	cf_v_orb: cf_v_orb
	cf_v_esc: cf_v_esc
	cf_T: cf_T

	BoxLayout:
		size_hint: 1, None
		height: '270dp'
		Image:
			source: "./icons/diagram.png"
			size_hint: 0.333, 1
			#size_hint_max_x: 0.3334
			#height: '300dp'
		GridLayout:
			cols: 3
			padding: '12dp'
			spacing: '10dp'
			size_hint: 0.666, 0.8
			#size_hint_max_x: 0.6666
			on_children: root.on_children(self, self.children)
			Spacer:
				size_hint: (None, 0.5)
			MButton:
				text: u"[font=fonts/Iconize-Italic][size=30] e [/size][/font]Clear All "
				on_release: root.clearinputs()
				size_hint: (0.25, 0.5)
			Spacer:
				size_hint: (None, 0.5)
			Image:
				size_hint_x: None
				source: "./icons/eqn_G.png"
			NumEntry:
				size_hint_x: 0.2
				id: cf_G
				readonly: True
				text: app.config.get('sim', 'const_G')
			Label:
				markup: True
				halign: 'left'
				padding_x: '10dp'
				text_size: self.width, None
				text: "[size=36]Gravitiational Constant ([b]G[/b])[/size]\n[size=25]A universal scale factor to adjust the strength of forces between bodies.\n[i]Change this in Settings[/i][/size]"
			Image:
				size_hint_x: None
				source: "./icons/eqn_M.png"
			NumEntry:
				size_hint_x: 0.2
				id: cf_M
				autovalidate: False
				ontext_callbacks: [root.valueupdate]
			Label:
				markup: True
				halign: 'left'
				padding_x: '10dp'
				text_size: self.width, None
				text: "[size=36]Central Mass ([b]M[/b])[/size]\n[size=25]Mass of the central body around which the other planet is orbiting.[/size]"
			Image:
				size_hint_x: None
				source: "./icons/eqn_R.png"
			NumEntry:
				size_hint_x: 0.2
				id: cf_R
				autovalidate: False
				ontext_callbacks: [root.valueupdate]
			Label:
				markup: True
				halign: 'left'
				padding_x: '10dp'
				text_size: self.width, None
				text: "[size=36]Orbit Radius ([b]R[/b])[/size]\n[size=25]Centre-to-centre distance between the 2 orbiting bodies at some point of time[/size]"

	GridLayout:
		cols: 3
		padding: '12dp'
		spacing: '10dp'
		size_hint: 1, None
		height: '200dp'
		on_children: root.on_children(self, self.children)
		Image:
			size_hint_x: 0.25
			source: "./icons/eqn_T.png"
		NumEntry:
			size_hint_x: 0.2
			id: cf_T
			autovalidate: False
			ontext_callbacks: [root.valueupdate]
		Label:
			markup: True
			halign: 'left'
			padding_x: '10dp'
			text_size: self.width, None
			text: "[size=36]Time Period ([b]T[/b])[/size]\n[size=25]The time it will take to complete a circular orbit at speed [b][i]v[/i][/b] and distance [b][i]R[/i][/b].[/size]"
		Image:
			size_hint_x: 0.25
			source: "./icons/eqn_v-orb.png"
		NumEntry:
			size_hint_x: 0.2
			id: cf_v_orb
			autovalidate: False
			ontext_callbacks: [root.valueupdate]
		Label:
			markup: True
			halign: 'left'
			padding_x: '10dp'
			text_size: self.width, None
			text: "[size=36]Orbital Velocity ([b]v[/b])[/size]\n[size=25]Speed at which the orbiting body will follow a perfectly circular orbit at distance [i][b]R[/b][/i].[/size]"
		Image:
			size_hint_x: 0.25
			source: "./icons/eqn_v-esc.png"
		NumEntry:
			size_hint_x: 0.2
			id: cf_v_esc
			autovalidate: False
			ontext_callbacks: [root.valueupdate]
		Label:
			markup: True
			halign: 'left'
			padding_x: '10dp'
			text_size: self.width, None
			text: "[size=36]Escape Velocity ([b]v[/size][size=18]esc[/size][size=32][/b])[/size]\n[size=25]Speed at or above which the body will not complete an orbit, but fly off into space instead.[/size]"