source/frontend/patchcanvas/utils.py

   1 #!/usr/bin/env python3
   2 # SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
   3 # SPDX-License-Identifier: GPL-2.0-or-later
   4
   5 # ------------------------------------------------------------------------------------------------------------
   6 # Imports (Global)
   7
   8 from qt_compat import qt_config
   9
  10 if qt_config == 5:
  11     from PyQt5.QtCore import qCritical, QPointF, QTimer
  12 elif qt_config == 6:
  13     from PyQt6.QtCore import qCritical, QPointF, QTimer
  14
  15 # ------------------------------------------------------------------------------------------------------------
  16 # Imports (Custom)
  17
  18 from . import bool2str, canvas, CanvasBoxType
  19 from .canvasfadeanimation import CanvasFadeAnimation
  20
  21 # ------------------------------------------------------------------------------------------------------------
  22
  23 def CanvasGetNewGroupPos(horizontal):
  24     if canvas.debug:
  25         print("PatchCanvas::CanvasGetNewGroupPos(%s)" % bool2str(horizontal))
  26
  27     new_pos = QPointF(canvas.initial_pos)
  28     items = canvas.scene.items()
  29
  30     #break_loop = False
  31     while True:
  32         break_for = False
  33         for i, item in enumerate(items):
  34             if item and item.type() == CanvasBoxType:
  35                 if item.sceneBoundingRect().adjusted(-5, -5, 5, 5).contains(new_pos):
  36                     itemRect = item.boundingRect()
  37                     if horizontal:
  38                         new_pos += QPointF(itemRect.width() + 50, 0)
  39                     else:
  40                         itemHeight = itemRect.height()
  41                         if itemHeight < 30:
  42                             new_pos += QPointF(0, itemHeight + 50)
  43                         else:
  44                             new_pos.setY(item.scenePos().y() + itemHeight + 20)
  45                     break_for = True
  46                     break
  47         else:
  48             if not break_for:
  49                 break
  50             #break_loop = True
  51
  52     return new_pos
  53
  54 def CanvasGetFullPortName(group_id, port_id):
  55     if canvas.debug:
  56         print("PatchCanvas::CanvasGetFullPortName(%i, %i)" % (group_id, port_id))
  57
  58     for port in canvas.port_list:
  59         if port.group_id == group_id and port.port_id == port_id:
  60             group_id = port.group_id
  61             for group in canvas.group_list:
  62                 if group.group_id == group_id:
  63                     return group.group_name + ":" + port.port_name
  64             break
  65
  66     qCritical("PatchCanvas::CanvasGetFullPortName(%i, %i) - unable to find port" % (group_id, port_id))
  67     return ""
  68
  69 def CanvasGetPortConnectionList(group_id, port_id):
  70     if canvas.debug:
  71         print("PatchCanvas::CanvasGetPortConnectionList(%i, %i)" % (group_id, port_id))
  72
  73     conn_list = []
  74
  75     for connection in canvas.connection_list:
  76         if connection.group_out_id == group_id and connection.port_out_id == port_id:
  77             conn_list.append((connection.connection_id, connection.group_in_id, connection.port_in_id))
  78         elif connection.group_in_id == group_id and connection.port_in_id == port_id:
  79             conn_list.append((connection.connection_id, connection.group_out_id, connection.port_out_id))
  80
  81     return conn_list
  82
  83 def CanvasCallback(action, value1, value2, value_str):
  84     if canvas.debug:
  85         print("PatchCanvas::CanvasCallback(%i, %i, %i, %s)" % (action, value1, value2, value_str.encode()))
  86
  87     canvas.callback(action, value1, value2, value_str)
  88
  89 def CanvasItemFX(item, show, destroy):
  90     if canvas.debug:
  91         print("PatchCanvas::CanvasItemFX(%s, %s, %s)" % (item, bool2str(show), bool2str(destroy)))
  92
  93     # Check if the item already has an animation
  94     for animation in canvas.animation_list:
  95         if animation.item() == item:
  96             animation.forceStop()
  97             canvas.animation_list.remove(animation)
  98             del animation
  99             break
 100
 101     animation = CanvasFadeAnimation(item, show)
 102     animation.setDuration(750 if show else 500)
 103
 104     if show:
 105         animation.finished.connect(canvas.qobject.AnimationFinishedShow)
 106     else:
 107         if destroy:
 108             animation.finished.connect(canvas.qobject.AnimationFinishedDestroy)
 109         else:
 110             animation.finished.connect(canvas.qobject.AnimationFinishedHide)
 111
 112     canvas.animation_list.append(animation)
 113
 114     animation.start()
 115
 116 def CanvasRemoveItemFX(item):
 117     if canvas.debug:
 118         print("PatchCanvas::CanvasRemoveItemFX(%s)" % item)
 119
 120     if item.type() == CanvasBoxType:
 121         item.removeIconFromScene()
 122
 123     canvas.scene.removeItem(item)
 124     del item
 125
 126     QTimer.singleShot(0, canvas.scene.update)
 127
 128 # ------------------------------------------------------------------------------------------------------------