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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# PatchBay Canvas engine using QGraphicsView/Scene
# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
# Copyright (C) 2019-2024 Mathieu Picot <picotmathieu@gmail.com>
#
# This program 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 2 of
# the License, or any later version.
#
# This program 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.
#
# For a full copy of the GNU General Public License see the doc/GPL.txt file.
import logging
import os
from qtpy.QtCore import QRectF, QFile, Qt
from qtpy.QtGui import QPainter, QIcon, QPixmap
from qtpy.QtWidgets import QGraphicsPixmapItem
from qtpy.QtSvg import QSvgRenderer
try:
from qtpy.QtSvgWidgets import QGraphicsSvgItem
except:
from qtpy.QtSvg import QGraphicsSvgItem
from patshared import BoxType, PortMode
from .init_values import canvas, CanvasItemType
_logger = logging.getLogger(__name__)
_app_icons_cache = {}
_icons_pixmaps_cache = dict[QIcon, dict[int, QPixmap]]()
def get_app_icon(icon_name: str) -> QIcon:
if icon_name in _app_icons_cache.keys():
return _app_icons_cache[icon_name]
icon = QIcon.fromTheme(icon_name)
if icon.isNull():
for ext in ('svg', 'svgz', 'png'):
filename = ":app_icons/%s.%s" % (icon_name, ext)
if QFile.exists(filename):
del icon
icon = QIcon()
icon.addFile(filename)
break
if icon.isNull():
for path in ('/usr/local', '/usr', '%s/.local' % os.getenv('HOME')):
for ext in ('png', 'svg', 'svgz', 'xpm'):
filename = "%s/share/pixmaps/%s.%s" % (path, icon_name, ext)
if QFile.exists(filename):
del icon
icon = QIcon()
icon.addFile(filename)
break
_app_icons_cache[icon_name] = icon
return icon
class IconPixmapWidget(QGraphicsPixmapItem):
def __init__(self, box_type: BoxType, icon_name: str, parent):
canvas.ensure_init()
QGraphicsPixmapItem.__init__(self, parent)
box_theme = canvas.theme.box
if box_type is BoxType.CLIENT:
box_theme = box_theme.client
self._icon_size = box_theme.icon_size
self.icon = None
self._pixmaps_cache = dict[int, QPixmap]()
self.set_icon(box_type, icon_name)
def set_icon(self, box_type: BoxType, name: str, port_mode=PortMode.NULL):
self.icon = get_app_icon(name)
if not self.icon.isNull():
scale = canvas.scene.get_zoom_scale()
pix_size = int(0.5 + self._icon_size * scale)
self_icon_pix_cache = _icons_pixmaps_cache.get(self.icon)
if self_icon_pix_cache is None:
self_icon_pix_cache = dict[int, QPixmap]()
_icons_pixmaps_cache[self.icon] = self_icon_pix_cache
pixmap = self_icon_pix_cache.get(pix_size)
if pixmap is None:
pixmap = self.icon.pixmap(pix_size, pix_size)
self_icon_pix_cache[pix_size] = pixmap
self.setPixmap(pixmap)
self.setScale(1.0 / scale)
self.setPos(4.0, 4.0)
else:
_icons_pixmaps_cache[self.icon] = {}
def update_zoom(self, scale: float):
if self.icon is None or scale <= 0.0:
return
pix_size = int(0.5 + self._icon_size *scale)
pixmap = _icons_pixmaps_cache[self.icon].get(pix_size)
if pixmap is None:
pixmap = self.icon.pixmap(pix_size, pix_size)
_icons_pixmaps_cache[self.icon][pix_size] = pixmap
self.setPixmap(pixmap)
self.setScale(1.0 / scale)
def is_null(self) -> bool:
if self.icon is None:
return True
return self.icon.isNull()
def set_pos(self, x: int, y: int):
self.setPos(float(x), float(y))
def type(self) -> CanvasItemType:
return CanvasItemType.ICON
class IconSvgWidget(QGraphicsSvgItem): # type:ignore
def __init__(self, box_type: BoxType, name: str, port_mode: PortMode, parent):
super().__init__(parent)
self._renderer = None
self._size = QRectF(4, 4, 24, 24)
self._icon_size = 24
self.set_icon(box_type, name, port_mode)
def set_icon(self, box_type: BoxType, name: str, port_mode: PortMode):
name = name.lower()
icon_path = ""
theme = canvas.theme.icon
box_theme = canvas.theme.box
match box_type:
case BoxType.APPLICATION:
self._size = QRectF(3, 2, 19, 18)
if "audacious" in name:
icon_path = ":/scalable/pb_audacious.svg"
self._size = QRectF(5, 4, 16, 16)
elif "clementine" in name:
icon_path = ":/scalable/pb_clementine.svg"
self._size = QRectF(5, 4, 16, 16)
elif "distrho" in name:
icon_path = ":/scalable/pb_distrho.svg"
self._size = QRectF(5, 4, 16, 16)
elif "jamin" in name:
icon_path = ":/scalable/pb_jamin.svg"
self._size = QRectF(5, 3, 16, 16)
elif "mplayer" in name:
icon_path = ":/scalable/pb_mplayer.svg"
self._size = QRectF(5, 4, 16, 16)
elif "vlc" in name:
icon_path = ":/scalable/pb_vlc.svg"
self._size = QRectF(5, 3, 16, 16)
else:
icon_path = ":/scalable/pb_generic.svg"
self._size = QRectF(4, 4, 24, 24)
case BoxType.HARDWARE:
box_theme = box_theme.hardware
icon_size = int(box_theme.icon_size)
self._size = QRectF(4, 4, icon_size, icon_size)
self._icon_size = icon_size
if name == "a2j":
icon_path = theme.hardware_midi
else:
if port_mode is PortMode.INPUT:
icon_path = theme.hardware_playback
elif port_mode is PortMode.OUTPUT:
icon_path = theme.hardware_capture
else:
icon_path = theme.hardware_grouped
case BoxType.DISTRHO:
icon_path = ":/scalable/pb_distrho.svg"
self._size = QRectF(5, 4, 16, 16)
case BoxType.FILE:
icon_path = ":/scalable/pb_file.svg"
self._size = QRectF(5, 4, 16, 16)
case BoxType.PLUGIN:
icon_path = ":/scalable/pb_plugin.svg"
self._size = QRectF(5, 4, 16, 16)
case BoxType.LADISH_ROOM:
icon_path = ":/scalable/pb_hardware.svg"
self._size = QRectF(5, 2, 16, 16)
case BoxType.MONITOR:
box_theme = box_theme.monitor
icon_size = int(box_theme.icon_size)
self._size = QRectF(4, 4, icon_size, icon_size)
self._icon_size = icon_size
match name:
case 'monitor_capture':
icon_path = theme.monitor_capture
case 'monitor_playback':
icon_path = theme.monitor_playback
case _:
icon_path = ":/canvas/dark/" + name
case _:
self._size = QRectF(0, 0, 0, 0)
_logger.warning(f"set_icon({str(box_type)}, {name})"
" - unsupported icon requested")
return
self._renderer = QSvgRenderer(icon_path, canvas.scene)
self._renderer.setAspectRatioMode(Qt.AspectRatioMode.KeepAspectRatio)
self.setSharedRenderer(self._renderer)
self.update()
def update_zoom(self, scale: float):
pass
def type(self) -> CanvasItemType:
return CanvasItemType.ICON
def is_null(self) -> bool:
return False
def set_pos(self, x: int, y: int):
self._size = QRectF(x, y, self._icon_size, self._icon_size)
def boundingRect(self):
return self._size
def paint(self, painter: QPainter, option, widget):
if not self._renderer:
QGraphicsSvgItem.paint(self, painter, option, widget) # type:ignore
return
painter.save()
painter.setRenderHint(QPainter.RenderHint.Antialiasing, False)
painter.setRenderHint(QPainter.RenderHint.TextAntialiasing, False)
self._renderer.render(painter, self._size)
painter.restore()
# ------------------------------------------------------------------------------------------------------------
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