toaruos/userspace/py/lib/dialog.py

454 lines
14 KiB
Python

#!/usr/bin/python3
"""
Simple okay/cancel dialog.
"""
import os
import re
import stat
import sys
import time
import fnmatch
import cairo
import yutani
import text_region
import toaru_fonts
from button import Button
from icon_cache import get_icon
import yutani_mainloop
_default_text = "This is a dialog. <b>Formatting is available.</b>"
hilight_border_top = (54/255,128/255,205/255)
hilight_gradient_top = (93/255,163/255,236/255)
hilight_gradient_bottom = (56/255,137/255,220/55)
hilight_border_bottom = (47/255,106/255,167/255)
class DialogButtons(object):
OKAY_CANCEL = 1
YES_NO_CANCEL = 2
class DialogWindow(yutani.Window):
base_width = 500
base_height = 150
text_offset = 40
okay_label = "Okay"
cancel_label = "Cancel"
def __init__(self, decorator, title, text, icon='help', buttons=DialogButtons.OKAY_CANCEL, callback=None, cancel_callback=None,window=None,cancel_label=True,close_is_cancel=True):
super(DialogWindow, self).__init__(self.base_width + decorator.width(), self.base_height + decorator.height(), title=title, icon=icon, doublebuffer=True)
if window:
# Center window
self.move(window.x+int((window.width-self.width)/2),window.y+int((window.height-self.height)/2))
else:
# Center screen
self.move(int((yutani.yutani_ctx._ptr.contents.display_width-self.width)/2),int((yutani.yutani_ctx._ptr.contents.display_height-self.height)/2))
self.decorator = decorator
self.logo = get_icon(icon,48,'help')
self.font = toaru_fonts.Font(toaru_fonts.FONT_SANS_SERIF, 13, 0xFF000000)
self.tr = text_region.TextRegion(0,0,self.base_width-60,self.base_height-self.text_offset,font=self.font)
self.tr.set_richtext(text)
if cancel_label is not True:
self.cancel_label = cancel_label
self.button_ok = Button(self.okay_label,self.ok_click)
self.button_cancel = Button(self.cancel_label,self.cancel_click)
self.buttons = [self.button_ok]
if self.cancel_label:
self.buttons.append(self.button_cancel)
self.close_is_cancel = close_is_cancel
self.hover_widget = None
self.down_button = None
self.callback = callback
self.cancel_callback = cancel_callback
self.draw()
def ok_click(self, button):
self.close()
if self.callback:
self.callback()
return False
def cancel_click(self, button):
self.close()
if self.cancel_callback:
self.cancel_callback()
return False
def draw(self):
surface = self.get_cairo_surface()
WIDTH, HEIGHT = self.width - self.decorator.width(), self.height - self.decorator.height()
ctx = cairo.Context(surface)
ctx.translate(self.decorator.left_width(), self.decorator.top_height())
ctx.rectangle(0,0,WIDTH,HEIGHT)
ctx.set_source_rgb(204/255,204/255,204/255)
ctx.fill()
ctx.set_source_surface(self.logo,30,30)
ctx.paint()
self.tr.resize(WIDTH-90,HEIGHT-self.text_offset)
self.tr.move(self.decorator.left_width() + 90,self.decorator.top_height()+self.text_offset)
self.tr.draw(self)
self.button_ok.draw(self,ctx,WIDTH-130,HEIGHT-60,100,30)
if self.cancel_label:
self.button_cancel.draw(self,ctx,WIDTH-240,HEIGHT-60,100,30)
self.decorator.render(self)
self.flip()
def finish_resize(self, msg):
"""Accept a resize."""
self.resize_accept(msg.width, msg.height)
self.reinit()
self.draw()
self.resize_done()
self.flip()
def mouse_event(self, msg):
if self.decorator.handle_event(msg) == yutani.Decor.EVENT_CLOSE:
if self.close_is_cancel:
self.cancel_click(None)
else:
self.ok_click(None)
return
x,y = msg.new_x - self.decorator.left_width(), msg.new_y - self.decorator.top_height()
w,h = self.width - self.decorator.width(), self.height - self.decorator.height()
redraw = False
if self.down_button:
if msg.command == yutani.MouseEvent.RAISE or msg.command == yutani.MouseEvent.CLICK:
if not (msg.buttons & yutani.MouseButton.BUTTON_LEFT):
if x >= self.down_button.x and \
x < self.down_button.x + self.down_button.width and \
y >= self.down_button.y and \
y < self.down_button.y + self.down_button.height:
self.down_button.focus_enter()
if self.down_button.callback(self.down_button):
redraw = True
self.down_button = None
else:
self.down_button.focus_leave()
self.down_button = None
redraw = True
else:
button = None
for b in self.buttons:
if x >= b.x and x < b.x + b.width and y >= b.y and y < b.y + b.height:
button = b
break
if button != self.hover_widget:
if button:
button.focus_enter()
redraw = True
if self.hover_widget:
self.hover_widget.focus_leave()
redraw = True
self.hover_widget = button
if msg.command == yutani.MouseEvent.DOWN:
if button:
button.hilight = 2
self.down_button = button
redraw = True
if not button:
if self.hover_widget:
self.hover_widget.focus_leave()
redraw = True
self.hover_widget = None
if redraw:
self.draw()
def keyboard_event(self, msg):
if msg.event.action == yutani.KeyAction.ACTION_DOWN:
if msg.event.key == b'\n':
self.ok_click(None)
class File(object):
def __init__(self, path,name=None):
if not name:
self.name = os.path.basename(path)
else:
self.name = name
self.path = os.path.normpath(path)
self.stat = os.stat(path)
self.y = 0
self.x = 0
self.hilight = False
self.tr = text_region.TextRegion(0,0,400,20)
self.tr.set_one_line()
self.tr.set_ellipsis()
self.tr.set_text(self.name)
def do_action(self, dialog):
if self.is_directory:
dialog.load_directory(self.path)
dialog.redraw_buf()
return True
else:
dialog.path = self.path
dialog.ok_click(None)
return False
@property
def is_directory(self):
return stat.S_ISDIR(self.stat.st_mode)
@property
def is_executable(self):
return stat.S_IXUSR & self.stat.st_mode and not self.is_directory
@property
def icon(self):
if self.is_directory: return get_icon('folder',16)
if self.is_executable: return get_icon('applications-generic',16)
return get_icon('file',16) # Need file icon
@property
def sortkey(self):
if self.is_directory: return "___" + self.name
else: return "zzz" + self.name
class OpenFileDialog(DialogWindow):
base_width = 500
base_height = 450
okay_label = "Open"
buf = None
path = None
icon_width = 16
unit_height = 20
def __init__(self, decorator, title, glob=None, callback=None, cancel_callback=None,window=None):
self.buf = None
self.path = None
if glob:
self.matcher = re.compile(fnmatch.translate(glob))
else:
self.matcher = None
self.tr = None
self.load_directory(os.getcwd())
self.redraw_buf()
self.hilighted = None
super(OpenFileDialog, self).__init__(decorator,title,"Open...",icon="open",callback=callback,cancel_callback=cancel_callback,window=window)
self.tr.set_text(self.directory)
def ok_click(self, button):
self.close()
if self.callback:
self.callback(self.path)
return False
def load_directory(self, directory):
self.directory = os.path.normpath(directory)
if self.tr:
self.tr.set_text(self.directory)
self.files = sorted([File(os.path.join(self.directory,f)) for f in os.listdir(self.directory)],key=lambda x: x.sortkey)
if self.matcher:
self.files = [x for x in self.files if x.is_directory or self.matcher.match(x.name)]
if directory != '/':
self.files.insert(0,File(os.path.join(self.directory,'..'),'(Go up)'))
self.scroll_y = 0
def redraw_buf(self,clips=None):
if self.buf:
self.buf.destroy()
w = 450
height = self.unit_height
self.buf = yutani.GraphicsBuffer(w,len(self.files)*height)
surface = self.buf.get_cairo_surface()
ctx = cairo.Context(surface)
if clips:
for clip in clips:
ctx.rectangle(clip.x,clip.y,w,height)
ctx.clip()
ctx.rectangle(0,0,surface.get_width(),surface.get_height())
ctx.set_source_rgb(1,1,1)
ctx.fill()
offset_y = 0
i = 0
for f in self.files:
f.y = offset_y
if not clips or f in clips:
tr = f.tr
tr.move(26,offset_y+2)
if f.hilight:
gradient = cairo.LinearGradient(0,0,0,height-2)
gradient.add_color_stop_rgba(0.0,*hilight_gradient_top,1.0)
gradient.add_color_stop_rgba(1.0,*hilight_gradient_bottom,1.0)
ctx.rectangle(0,offset_y,w,1)
ctx.set_source_rgb(*hilight_border_top)
ctx.fill()
ctx.rectangle(0,offset_y+height-1,w,1)
ctx.set_source_rgb(*hilight_border_bottom)
ctx.fill()
ctx.save()
ctx.translate(0,offset_y+1)
ctx.rectangle(0,0,w,height-2)
ctx.set_source(gradient)
ctx.fill()
ctx.restore()
tr.font.font_color = 0xFFFFFFFF
else:
ctx.rectangle(0,offset_y,w,height)
if i % 2:
ctx.set_source_rgb(0.9,0.9,0.9)
else:
ctx.set_source_rgb(1,1,1)
ctx.fill()
tr.font.font_color = 0xFF000000
ctx.set_source_surface(f.icon,4,offset_y+2)
ctx.paint()
tr.draw(self.buf)
offset_y += height
i += 1
def draw(self):
surface = self.get_cairo_surface()
WIDTH, HEIGHT = self.width - self.decorator.width(), self.height - self.decorator.height()
ctx = cairo.Context(surface)
ctx.translate(self.decorator.left_width(), self.decorator.top_height())
ctx.rectangle(0,0,WIDTH,HEIGHT)
ctx.set_source_rgb(204/255,204/255,204/255)
ctx.fill()
#ctx.set_source_surface(self.logo,30,30)
#ctx.paint()
self.tr.resize(WIDTH,30)
self.tr.move(self.decorator.left_width(),self.decorator.top_height()+10)
self.tr.set_alignment(2)
self.tr.draw(self)
ctx.save()
ctx.translate(20, 40)
ctx.rectangle(0,0,450,HEIGHT-130)
ctx.set_line_width(2)
ctx.set_source_rgb(0.7,0.7,0.7)
ctx.stroke_preserve()
ctx.set_source_rgb(1,1,1)
ctx.fill()
ctx.rectangle(0,0,450,HEIGHT-130)
ctx.clip()
text = self.buf.get_cairo_surface()
ctx.set_source_surface(text,0,self.scroll_y)
ctx.paint()
ctx.restore()
self.button_cancel.draw(self,ctx,WIDTH-130,HEIGHT-60,100,30)
self.button_ok.draw(self,ctx,WIDTH-240,HEIGHT-60,100,30)
self.decorator.render(self)
self.flip()
def scroll(self, amount):
w,h = self.width - self.decorator.width(), self.height - self.decorator.height()
self.scroll_y += amount
if self.scroll_y > 0:
self.scroll_y = 0
top = min(-(self.buf.height - (h-130)),0)
if self.scroll_y < top:
self.scroll_y = top
def mouse_event(self, msg):
super(OpenFileDialog,self).mouse_event(msg)
x,y = msg.new_x - self.decorator.left_width(), msg.new_y - self.decorator.top_height()
w,h = self.width - self.decorator.width(), self.height - self.decorator.height()
if y < 0: return
if x < 0 or x >= w: return
if msg.buttons & yutani.MouseButton.SCROLL_UP:
self.scroll(30)
self.draw()
return
elif msg.buttons & yutani.MouseButton.SCROLL_DOWN:
self.scroll(-30)
self.draw()
return
offset_y = self.scroll_y + 40
redraw = []
hit = False
if x >= 20 and x < 450+20:
for f in self.files:
if offset_y > h: break
if y >= offset_y and y < offset_y + self.unit_height:
if not f.hilight:
redraw.append(f)
if self.hilighted:
redraw.append(self.hilighted)
self.hilighted.hilight = False
f.hilight = True
self.hilighted = f
hit = True
break
offset_y += self.unit_height
if not hit:
if self.hilighted:
redraw.append(self.hilighted)
self.hilighted.hilight = False
self.hilighted = None
if self.hilighted:
if msg.command == yutani.MouseEvent.DOWN:
if self.hilighted.do_action(self):
redraw = []
self.redraw_buf()
self.draw()
if redraw:
self.redraw_buf(redraw)
self.draw()
if __name__ == '__main__':
yutani.Yutani()
d = yutani.Decor()
def okay(path):
print("You hit Okay!",path)
sys.exit(0)
def cancel():
print("You hit Cancel!")
sys.exit(0)
#window = DialogWindow(d,"Okay/Cancel Dialog","A thing happend!",cancel_callback=cancel,callback=okay)
window = OpenFileDialog(d,"Open...",glob="*.png",cancel_callback=cancel,callback=okay)
yutani_mainloop.mainloop()