kopia lustrzana https://github.com/ctjacobs/pyqso
Move the log printing functionality to a new Printer class, defined in printer.py.
Christian T. Jacobs
rodzic
db80fac9fe
commit
a3b3568d48
|
|
@ -17,7 +17,7 @@
|
|||
# You should have received a copy of the GNU General Public License
|
||||
# along with PyQSO. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
from gi.repository import Gtk, Pango, PangoCairo
|
||||
from gi.repository import Gtk
|
||||
import logging
|
||||
import sqlite3 as sqlite
|
||||
import os
|
||||
|
|
@ -51,6 +51,7 @@ from pyqso.auxiliary_dialogs import *
|
|||
from pyqso.log_name_dialog import LogNameDialog
|
||||
from pyqso.record_dialog import RecordDialog
|
||||
from pyqso.cabrillo_export_dialog import CabrilloExportDialog
|
||||
from pyqso.printer import *
|
||||
|
||||
|
||||
class Logbook:
|
||||
|
|
@ -1014,76 +1015,14 @@ class Logbook:
|
|||
return
|
||||
log_index = self._get_log_index()
|
||||
log = self.logs[log_index]
|
||||
|
||||
self.text_to_print = "Callsign\t---\tDate\t---\tTime\t---\tFrequency\t---\tMode\n"
|
||||
records = log.get_all_records()
|
||||
if(records is not None):
|
||||
for r in records:
|
||||
self.text_to_print += str(r["CALL"]) + "\t---\t" + str(r["QSO_DATE"]) + "\t---\t" + str(r["TIME_ON"]) + "\t---\t" + str(r["FREQ"]) + "\t---\t" + str(r["MODE"]) + "\n"
|
||||
|
||||
action = Gtk.PrintOperationAction.PRINT_DIALOG
|
||||
operation = Gtk.PrintOperation()
|
||||
operation.set_default_page_setup(Gtk.PageSetup())
|
||||
operation.set_unit(Gtk.Unit.MM)
|
||||
|
||||
operation.connect("begin_print", self._begin_print)
|
||||
operation.connect("draw_page", self._draw_page)
|
||||
operation.run(action, parent=self.application.window)
|
||||
printer = Printer(self.application)
|
||||
printer.print(records)
|
||||
else:
|
||||
error(self.application.window, "Could not retrieve the records from the SQL database. No records have been printed.")
|
||||
return
|
||||
|
||||
def _begin_print(self, operation, context):
|
||||
""" Specify the layout/position/font of the text on the pages to be printed.
|
||||
|
||||
:arg Gtk.PrintOperation operation: The printing API.
|
||||
:arg Gtk.PrintContext context: Used to draw/render the pages to print.
|
||||
"""
|
||||
width = context.get_width()
|
||||
height = context.get_height()
|
||||
layout = context.create_pango_layout()
|
||||
layout.set_font_description(Pango.FontDescription("normal 10"))
|
||||
layout.set_width(int(width*Pango.SCALE))
|
||||
layout.set_text(self.text_to_print, -1)
|
||||
|
||||
number_of_pages = 0
|
||||
page_height = 0
|
||||
for line in range(0, layout.get_line_count()):
|
||||
layout_line = layout.get_line(line)
|
||||
ink_rectangle, logical_rectangle = layout_line.get_extents()
|
||||
self.line_height = logical_rectangle.height/1024.0 + 3
|
||||
page_height += self.line_height
|
||||
if(page_height + self.line_height > height):
|
||||
number_of_pages += 1
|
||||
page_height = self.line_height
|
||||
operation.set_n_pages(number_of_pages + 1)
|
||||
self.text_to_print = self.text_to_print.split("\n")
|
||||
return
|
||||
|
||||
def _draw_page(self, operation, context, page_number):
|
||||
""" Render the QSO details on the page.
|
||||
|
||||
:arg Gtk.PrintOperation operation: The printing API.
|
||||
:arg Gtk.PrintContext context: Used to draw/render the pages to print.
|
||||
:arg int page_number: The current page number.
|
||||
"""
|
||||
cr = context.get_cairo_context()
|
||||
cr.set_source_rgb(0, 0, 0)
|
||||
layout = context.create_pango_layout()
|
||||
|
||||
current_line_number = 0
|
||||
for line in self.text_to_print:
|
||||
layout.set_text(line, -1)
|
||||
cr.move_to(5, current_line_number*self.line_height)
|
||||
PangoCairo.update_layout(cr, layout)
|
||||
PangoCairo.show_layout(cr, layout)
|
||||
current_line_number += 1
|
||||
if(current_line_number*self.line_height > context.get_height()):
|
||||
for j in range(0, current_line_number):
|
||||
self.text_to_print.pop(0) # Remove what has been printed already before draw_page is called again
|
||||
break
|
||||
return
|
||||
|
||||
def add_record_callback(self, widget):
|
||||
""" A callback function used to add a particular record/QSO. """
|
||||
# Get the log index
|
||||
|
|
|
|||
|
|
@ -0,0 +1,109 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
# Copyright (C) 2017 Christian Thomas Jacobs.
|
||||
|
||||
# This file is part of PyQSO.
|
||||
|
||||
# PyQSO is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# PyQSO is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with PyQSO. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
from gi.repository import Gtk, Pango, PangoCairo
|
||||
|
||||
|
||||
class Printer(object):
|
||||
|
||||
""" Handles the printing of one or more records to file or paper. """
|
||||
|
||||
def __init__(self, application):
|
||||
""" Initialise the record printer.
|
||||
|
||||
:arg application: The PyQSO application containing the main Gtk window, etc.
|
||||
"""
|
||||
|
||||
self.application = application
|
||||
|
||||
self.action = Gtk.PrintOperationAction.PRINT_DIALOG
|
||||
self.operation = Gtk.PrintOperation()
|
||||
self.operation.set_default_page_setup(Gtk.PageSetup())
|
||||
self.operation.set_unit(Gtk.Unit.MM)
|
||||
|
||||
self.operation.connect("begin_print", self.begin_print)
|
||||
self.operation.connect("draw_page", self.draw_page)
|
||||
|
||||
return
|
||||
|
||||
def print(self, records):
|
||||
""" Perform the print operation.
|
||||
|
||||
:arg dict records: The records to be printed.
|
||||
"""
|
||||
|
||||
# Assemble the header and records into one string.
|
||||
self.text_to_print = "Callsign\t---\tDate\t---\tTime\t---\tFrequency\t---\tMode\n"
|
||||
for r in records:
|
||||
self.text_to_print += str(r["CALL"]) + "\t---\t" + str(r["QSO_DATE"]) + "\t---\t" + str(r["TIME_ON"]) + "\t---\t" + str(r["FREQ"]) + "\t---\t" + str(r["MODE"]) + "\n"
|
||||
|
||||
self.operation.run(self.action, parent=self.application.window)
|
||||
|
||||
return
|
||||
|
||||
def begin_print(self, operation, context):
|
||||
""" Specify the layout/position/font of the text on the pages to be printed.
|
||||
|
||||
:arg Gtk.PrintOperation operation: The printing API.
|
||||
:arg Gtk.PrintContext context: Used to draw/render the pages to print.
|
||||
"""
|
||||
width = context.get_width()
|
||||
height = context.get_height()
|
||||
layout = context.create_pango_layout()
|
||||
layout.set_font_description(Pango.FontDescription("normal 10"))
|
||||
layout.set_width(int(width*Pango.SCALE))
|
||||
layout.set_text(self.text_to_print, -1)
|
||||
|
||||
number_of_pages = 0
|
||||
page_height = 0
|
||||
for line in range(0, layout.get_line_count()):
|
||||
layout_line = layout.get_line(line)
|
||||
ink_rectangle, logical_rectangle = layout_line.get_extents()
|
||||
self.line_height = logical_rectangle.height/1024.0 + 3
|
||||
page_height += self.line_height
|
||||
if(page_height + self.line_height > height):
|
||||
number_of_pages += 1
|
||||
page_height = self.line_height
|
||||
operation.set_n_pages(number_of_pages + 1)
|
||||
self.text_to_print = self.text_to_print.split("\n")
|
||||
return
|
||||
|
||||
def draw_page(self, operation, context, page_number):
|
||||
""" Render the QSO details on the page.
|
||||
|
||||
:arg Gtk.PrintOperation operation: The printing API.
|
||||
:arg Gtk.PrintContext context: Used to draw/render the pages to print.
|
||||
:arg int page_number: The current page number.
|
||||
"""
|
||||
cr = context.get_cairo_context()
|
||||
cr.set_source_rgb(0, 0, 0)
|
||||
layout = context.create_pango_layout()
|
||||
|
||||
current_line_number = 0
|
||||
for line in self.text_to_print:
|
||||
layout.set_text(line, -1)
|
||||
cr.move_to(5, current_line_number*self.line_height)
|
||||
PangoCairo.update_layout(cr, layout)
|
||||
PangoCairo.show_layout(cr, layout)
|
||||
current_line_number += 1
|
||||
if(current_line_number*self.line_height > context.get_height()):
|
||||
for j in range(0, current_line_number):
|
||||
self.text_to_print.pop(0) # Remove what has been printed already before draw_page is called again
|
||||
break
|
||||
return
|
||||
Ładowanie…
Reference in New Issue