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Break out button rendering from calculator

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This commit is contained in:
Kevin Lange 2017-01-15 00:42:50 +09:00
parent 8f143f5742
commit 439ea94431
2 changed files with 103 additions and 94 deletions
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96
userspace/py/bin/calculator.py
View File

@ -2,7 +2,6 @@
"""
Calculator for ToaruOS
"""
import math
import sys
import cairo
@ -11,6 +10,8 @@ import yutani
import text_region
import toaru_fonts
from button import Button
import ast
import operator as op
@ -39,99 +40,6 @@ def eval_(node):
else:
raise TypeError("invalid operation")
def rounded_rectangle(ctx,x,y,w,h,r):
degrees = math.pi / 180
ctx.new_sub_path()
ctx.arc(x + w - r, y + r, r, -90 * degrees, 0 * degrees)
ctx.arc(x + w - r, y + h - r, r, 0 * degrees, 90 * degrees)
ctx.arc(x + r, y + h - r, r, 90 * degrees, 180 * degrees)
ctx.arc(x + r, y + r, r, 180 * degrees, 270 * degrees)
ctx.close_path()
def draw_button(ctx,x,y,w,h,hilight):
"""Theme definition for drawing a button."""
ctx.save()
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
if hilight == 2:
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(134/255,173/255,201/255,1.0)
ctx.set_line_width(2)
ctx.stroke()
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(202/255,211/255,232/255,1.0)
ctx.fill()
else:
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(44/255,71/255,91/255,29/255)
ctx.set_line_width(4)
ctx.stroke()
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(158/255,169/255,177/255,1.0)
ctx.set_line_width(2)
ctx.stroke()
if hilight == 1:
pat = cairo.LinearGradient(2+x,2+y,2+x,2+y+h-4)
pat.add_color_stop_rgba(0,1,1,1,1)
pat.add_color_stop_rgba(1,229/255,229/255,246/255,1)
rounded_rectangle(ctx,2+x,2+y,w-4,h-4,2.0)
ctx.set_source(pat)
ctx.fill()
pat = cairo.LinearGradient(3+x,3+y,3+x,3+y+h-4)
pat.add_color_stop_rgba(0,252/255,252/255,254/255,1)
pat.add_color_stop_rgba(1,212/255,223/255,251/255,1)
rounded_rectangle(ctx,3+x,3+y,w-5,h-5,2.0)
ctx.set_source(pat)
ctx.fill()
else:
pat = cairo.LinearGradient(2+x,2+y,2+x,2+y+h-4)
pat.add_color_stop_rgba(0,1,1,1,1)
pat.add_color_stop_rgba(1,241/255,241/255,244/255,1)
rounded_rectangle(ctx,2+x,2+y,w-4,h-4,2.0)
ctx.set_source(pat)
ctx.fill()
pat = cairo.LinearGradient(3+x,3+y,3+x,3+y+h-4)
pat.add_color_stop_rgba(0,252/255,252/255,254/255,1)
pat.add_color_stop_rgba(1,223/255,225/255,230/255,1)
rounded_rectangle(ctx,3+x,3+y,w-5,h-5,2.0)
ctx.set_source(pat)
ctx.fill()
ctx.restore()
class Button(object):
def __init__(self, text, callback):
self.text = text
self.callback = callback
self.hilight = 0
self.x, self.y, self.width, self.height = 0,0,0,0
def draw(self, window, ctx, x, y, w, h):
self.x, self.y, self.width, self.height = x, y, w, h
draw_button(ctx,x,y,w,h,self.hilight)
x_, y_ = ctx.user_to_device(x,y)
tr = text_region.TextRegion(int(x_),int(y_),w,h)
tr.set_alignment(2)
tr.set_valignment(2)
tr.set_text(self.text)
tr.draw(window)
def focus_enter(self):
self.hilight = 1
def focus_leave(self):
self.hilight = 0
class CalculatorWindow(yutani.Window):

101
userspace/py/lib/button.py Normal file
View File

@ -0,0 +1,101 @@
import math
import cairo
import yutani
import text_region
import toaru_fonts
def rounded_rectangle(ctx,x,y,w,h,r):
degrees = math.pi / 180
ctx.new_sub_path()
ctx.arc(x + w - r, y + r, r, -90 * degrees, 0 * degrees)
ctx.arc(x + w - r, y + h - r, r, 0 * degrees, 90 * degrees)
ctx.arc(x + r, y + h - r, r, 90 * degrees, 180 * degrees)
ctx.arc(x + r, y + r, r, 180 * degrees, 270 * degrees)
ctx.close_path()
def draw_button(ctx,x,y,w,h,hilight):
"""Theme definition for drawing a button."""
ctx.save()
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
if hilight == 2:
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(134/255,173/255,201/255,1.0)
ctx.set_line_width(2)
ctx.stroke()
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(202/255,211/255,232/255,1.0)
ctx.fill()
else:
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(44/255,71/255,91/255,29/255)
ctx.set_line_width(4)
ctx.stroke()
rounded_rectangle(ctx, 2 + x, 2 + y, w - 4, h - 4, 2.0)
ctx.set_source_rgba(158/255,169/255,177/255,1.0)
ctx.set_line_width(2)
ctx.stroke()
if hilight == 1:
pat = cairo.LinearGradient(2+x,2+y,2+x,2+y+h-4)
pat.add_color_stop_rgba(0,1,1,1,1)
pat.add_color_stop_rgba(1,229/255,229/255,246/255,1)
rounded_rectangle(ctx,2+x,2+y,w-4,h-4,2.0)
ctx.set_source(pat)
ctx.fill()
pat = cairo.LinearGradient(3+x,3+y,3+x,3+y+h-4)
pat.add_color_stop_rgba(0,252/255,252/255,254/255,1)
pat.add_color_stop_rgba(1,212/255,223/255,251/255,1)
rounded_rectangle(ctx,3+x,3+y,w-5,h-5,2.0)
ctx.set_source(pat)
ctx.fill()
else:
pat = cairo.LinearGradient(2+x,2+y,2+x,2+y+h-4)
pat.add_color_stop_rgba(0,1,1,1,1)
pat.add_color_stop_rgba(1,241/255,241/255,244/255,1)
rounded_rectangle(ctx,2+x,2+y,w-4,h-4,2.0)
ctx.set_source(pat)
ctx.fill()
pat = cairo.LinearGradient(3+x,3+y,3+x,3+y+h-4)
pat.add_color_stop_rgba(0,252/255,252/255,254/255,1)
pat.add_color_stop_rgba(1,223/255,225/255,230/255,1)
rounded_rectangle(ctx,3+x,3+y,w-5,h-5,2.0)
ctx.set_source(pat)
ctx.fill()
ctx.restore()
class Button(object):
def __init__(self, text, callback):
self.text = text
self.callback = callback
self.hilight = 0
self.x, self.y, self.width, self.height = 0,0,0,0
def draw(self, window, ctx, x, y, w, h):
self.x, self.y, self.width, self.height = x, y, w, h
draw_button(ctx,x,y,w,h,self.hilight)
x_, y_ = ctx.user_to_device(x,y)
tr = text_region.TextRegion(int(x_),int(y_),w,h)
tr.set_alignment(2)
tr.set_valignment(2)
tr.set_text(self.text)
tr.draw(window)
def focus_enter(self):
self.hilight = 1
def focus_leave(self):
self.hilight = 0