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gui_qt.py
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import os
import re
import sys
import math
import json
import functools
import subprocess
from enum import Enum
from copy import deepcopy
import PyQt6.QtCore as QtCore
from PyQt6.QtGui import (
QPixmap,
QIntValidator,
QPainter,
QPainterPath,
QCursor,
QIcon,
QTransform,
QColor,
)
from PyQt6.QtWidgets import (
QApplication,
QMainWindow,
QWidget,
QLabel,
QPushButton,
QLineEdit,
QGridLayout,
QVBoxLayout,
QHBoxLayout,
QStackedLayout,
QStackedWidget,
QScrollArea,
QStyle,
QCommonStyle,
QSizePolicy,
QGroupBox,
QComboBox,
QDialog,
QDoubleSpinBox,
QFrame,
QToolTip,
QCheckBox,
QTabWidget,
QFileDialog,
QColorDialog,
)
import pdf
import image
import project
from util import *
from config import *
from constants import *
import fallback_image as fallback
class PrintProxyPrepApplication(QApplication):
def __init__(self, argv):
super().__init__(argv)
self._json_path = os.path.join(cwd, "print.json")
self._settings_loaded = False
self._debug_mode = "--debug" in sys.argv
self.load()
def close(self):
self.save()
def set_window(self, window):
self._window = window
if self._settings_loaded:
window.restoreGeometry(self._window_geometry)
window.restoreState(self._window_state)
self._window_geometry = None
self._window_state = None
def json_path(self):
return self._json_path
def set_json_path(self, json_path):
self._json_path = json_path
def save(self):
settings = QtCore.QSettings("Proxy", "PDF Proxy Printer")
settings.setValue("version", "1.0.0")
settings.setValue("geometry", self._window.saveGeometry())
settings.setValue("state", self._window.saveState())
settings.setValue("json", self._json_path)
def load(self):
settings = QtCore.QSettings("Proxy", "PDF Proxy Printer")
if settings.contains("version"):
self._window_geometry = settings.value("geometry")
self._window_state = settings.value("state")
if settings.contains("json"):
self._json_path = settings.value("json")
self._settings_loaded = True
def init():
return PrintProxyPrepApplication(sys.argv)
def popup(window, middle_text, debug_thread):
class PopupWindow(QDialog):
def __init__(self, parent, text):
super().__init__(parent)
text_widget = QLabel(text)
layout = QVBoxLayout()
layout.addWidget(text_widget)
self.setLayout(layout)
self.setWindowFlags(
QtCore.Qt.WindowType.FramelessWindowHint
| QtCore.Qt.WindowType.WindowStaysOnTopHint
)
palette = self.palette()
palette.setColor(self.backgroundRole(), 0x111111)
self.setPalette(palette)
self.setAutoFillBackground(True)
self._text = text_widget
self._thread = None
self.update_text_impl(text)
def update_text(self, text, force_this_thread=False):
if self._thread is None or force_this_thread:
self.update_text_impl(text)
else:
self._thread._refresh.emit(text)
@QtCore.pyqtSlot(str)
def update_text_impl(self, text):
self.adjustSize()
self._text.setText(text)
self.adjustSize()
self.recenter()
def recenter(self):
parent = self.parentWidget()
if parent is not None:
center = self.rect().center()
parent_half_size = parent.rect().size() / 2
offset = (
QtCore.QPoint(parent_half_size.width(), parent_half_size.height())
- center
)
self.move(offset)
def show_during_work(self, work):
class WorkThread(QtCore.QThread):
_refresh = QtCore.pyqtSignal(str)
def run(self):
if debug_thread:
import debugpy
debugpy.debug_this_thread()
work()
work_thread = WorkThread()
self.open()
work_thread.finished.connect(lambda: self.close())
work_thread._refresh.connect(self.update_text_impl)
work_thread.start()
self._thread = work_thread
self.exec()
self._thread = None
def showEvent(self, event):
super().showEvent(event)
self.recenter()
def resizeEvent(self, event):
super().resizeEvent(event)
self.recenter()
self.recenter()
self.recenter()
return PopupWindow(window, middle_text)
def make_popup_print_fn(popup):
def popup_print_fn(text):
print(text)
popup.update_text(text)
return popup_print_fn
def folder_dialog(parent=None):
choice = QFileDialog.getExistingDirectory(
parent,
"Choose Folder",
".",
QFileDialog.Option.ShowDirsOnly | QFileDialog.Option.DontResolveSymlinks,
)
if choice != "":
return os.path.basename(choice)
else:
return None
class FileDialogType(Enum):
Open = 0
Save = 1
def file_dialog(parent, title, root, filter, type):
function = (
QFileDialog.getOpenFileName
if type == FileDialogType.Open
else QFileDialog.getSaveFileName
)
choice = function(
parent,
title,
root,
filter,
)[0]
if choice != "":
return os.path.basename(choice)
else:
return None
def project_file_dialog(parent, type):
return file_dialog(parent, "Open Project", ".", "Json Files (*.json)", type)
def image_file_dialog(parent, folder):
return file_dialog(
parent,
"Open Image",
folder,
f"Image Files ({' '.join(image.valid_image_extensions).replace('.', '*.')})",
FileDialogType.Open,
)
class WidgetWithLabel(QWidget):
def __init__(self, label_text, widget):
super().__init__()
label = QLabel(label_text + ":")
if "&" in label_text:
label.setBuddy(widget)
layout = QHBoxLayout()
layout.addWidget(label)
layout.addWidget(widget)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
self._widget = widget
class ComboBoxWithLabel(WidgetWithLabel):
def __init__(self, label_text, options, default_option=None):
combo = QComboBox()
for option in options:
combo.addItem(option)
if default_option is not None and default_option in options:
combo.setCurrentIndex(options.index(default_option))
super().__init__(label_text, combo)
class LineEditWithLabel(WidgetWithLabel):
def __init__(self, label_text, default_text=None):
text = QLineEdit(default_text)
super().__init__(label_text, text)
class MainWindow(QMainWindow):
def __init__(self, tabs, scroll_area, options, print_preview):
super().__init__()
self.setWindowTitle("PDF Proxy Printer")
icon = QIcon(resource_path() + "/proxy.png")
self.setWindowIcon(icon)
if sys.platform == "win32":
import ctypes
myappid = "proxy.printer" # arbitrary string
ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)
window_layout = QHBoxLayout()
window_layout.addWidget(tabs)
window_layout.addWidget(options)
window_area = QWidget()
window_area.setLayout(window_layout)
self.setCentralWidget(window_area)
self._scroll_area = scroll_area
self._options = options
self._print_preview = print_preview
def refresh_widgets(self, print_dict):
self._options.refresh_widgets(print_dict)
def refresh(self, print_dict, img_dict):
self._scroll_area.refresh(print_dict, img_dict)
self._options.refresh(print_dict, img_dict)
self.refresh_preview(print_dict, img_dict)
def refresh_preview(self, print_dict, img_dict):
self._print_preview.refresh(print_dict, img_dict)
class CardImage(QLabel):
def __init__(self, img_data, img_size, round_corners=True, rotation=False):
super().__init__()
raw_pixmap = QPixmap()
raw_pixmap.loadFromData(img_data, "PNG")
pixmap = raw_pixmap
card_size_minimum_width_pixels = 130
if round_corners:
card_corner_radius_inch = 1 / 8
card_corner_radius_pixels = (
card_corner_radius_inch * img_size[0] / card_size_without_bleed_inch[0]
)
clipped_pixmap = QPixmap(int(img_size[0]), int(img_size[1]))
clipped_pixmap.fill(QtCore.Qt.GlobalColor.transparent)
path = QPainterPath()
path.addRoundedRect(
QtCore.QRectF(pixmap.rect()),
card_corner_radius_pixels,
card_corner_radius_pixels,
)
painter = QPainter(clipped_pixmap)
painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
painter.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform, True)
painter.setClipPath(path)
painter.drawPixmap(0, 0, pixmap)
del painter
pixmap = clipped_pixmap
if rotation is not None:
match rotation:
case image.Rotation.RotateClockwise_90:
rotation = 90
case image.Rotation.RotateCounterClockwise_90:
rotation = -90
case image.Rotation.Rotate_180:
rotation = 180
transform = QTransform()
transform.rotate(rotation)
pixmap = pixmap.transformed(transform)
self.setPixmap(pixmap)
self.setSizePolicy(
QSizePolicy.Policy.MinimumExpanding, QSizePolicy.Policy.MinimumExpanding
)
self.setScaledContents(True)
self.setMinimumWidth(card_size_minimum_width_pixels)
self._rotated = rotation in [-90, 90]
def heightForWidth(self, width):
if self._rotated:
return int(width * card_ratio)
else:
return int(width / card_ratio)
class BacksideImage(CardImage):
def __init__(self, backside_name, img_dict):
if backside_name in img_dict:
backside_data = eval(img_dict[backside_name]["data"])
backside_size = img_dict[backside_name]["size"]
else:
backside_data = fallback.data
backside_size = fallback.size
super().__init__(backside_data, backside_size)
class StackedCardBacksideView(QStackedWidget):
_backside_reset = QtCore.pyqtSignal()
_backside_clicked = QtCore.pyqtSignal()
def __init__(self, img: QWidget, backside: QWidget):
super().__init__()
style = QCommonStyle()
reset_button = QPushButton()
reset_button.setIcon(
style.standardIcon(QStyle.StandardPixmap.SP_DialogResetButton)
)
reset_button.setToolTip("Reset Backside to Default")
reset_button.setFixedWidth(20)
reset_button.setFixedHeight(20)
reset_button.clicked.connect(self._backside_reset)
backside.setToolTip("Choose individual Backside")
backside_layout = QHBoxLayout()
backside_layout.addStretch()
backside_layout.addWidget(
reset_button, alignment=QtCore.Qt.AlignmentFlag.AlignBottom
)
backside_layout.addWidget(
backside, alignment=QtCore.Qt.AlignmentFlag.AlignBottom
)
backside_layout.setContentsMargins(0, 0, 0, 0)
backside_container = QWidget(self)
backside_container.setLayout(backside_layout)
img.setMouseTracking(True)
backside.setMouseTracking(True)
backside_container.setMouseTracking(True)
self.setMouseTracking(True)
self.addWidget(img)
self.addWidget(backside_container)
self.layout().setStackingMode(QStackedLayout.StackingMode.StackAll)
self.layout().setAlignment(
backside,
QtCore.Qt.AlignmentFlag.AlignBottom | QtCore.Qt.AlignmentFlag.AlignRight,
)
self._img = img
self._backside = backside
self._backside_container = backside_container
def refresh_backside(self, new_backside):
new_backside.setMouseTracking(True)
layout = self._backside_container.layout()
self._backside.setParent(None)
layout.addWidget(new_backside)
layout.addWidget(new_backside, alignment=QtCore.Qt.AlignmentFlag.AlignBottom)
self._backside = new_backside
self.refresh_sizes(self.rect().size())
def refresh_sizes(self, size):
width = size.width()
height = size.height()
img_width = int(width * 0.9)
img_height = int(height * 0.9)
backside_width = int(width * 0.45)
backside_height = int(height * 0.45)
self._img.setFixedWidth(img_width)
self._img.setFixedHeight(img_height)
self._backside.setFixedWidth(backside_width)
self._backside.setFixedHeight(backside_height)
def resizeEvent(self, event):
super().resizeEvent(event)
self.refresh_sizes(event.size())
def mouseMoveEvent(self, event):
super().mouseMoveEvent(event)
x = event.pos().x()
y = event.pos().y()
neg_backside_width = self.rect().width() - self._backside.rect().size().width()
neg_backside_height = (
self.rect().height() - self._backside.rect().size().height()
)
if x >= neg_backside_width and y >= neg_backside_height:
self.setCurrentWidget(self._backside_container)
else:
self.setCurrentWidget(self._img)
def leaveEvent(self, event):
super().leaveEvent(event)
self.setCurrentWidget(self._img)
def mouseReleaseEvent(self, event):
super().mouseReleaseEvent(event)
if self.currentWidget() == self._backside_container:
self._backside_clicked.emit()
class CardWidget(QWidget):
def __init__(self, print_dict, img_dict, card_name):
super().__init__()
if card_name in img_dict:
img_data = eval(img_dict[card_name]["data"])
img_size = img_dict[card_name]["size"]
else:
img_data = fallback.data
img_size = fallback.size
img = CardImage(img_data, img_size)
backside_enabled = print_dict["backside_enabled"]
oversized_enabled = print_dict["oversized_enabled"]
backside_img = None
if backside_enabled:
backside_name = (
print_dict["backsides"][card_name]
if card_name in print_dict["backsides"]
else print_dict["backside_default"]
)
backside_img = BacksideImage(backside_name, img_dict)
initial_number = print_dict["cards"][card_name] if card_name is not None else 1
number_edit = QLineEdit()
number_edit.setValidator(QIntValidator(0, 100, self))
number_edit.setText(str(initial_number))
number_edit.setFixedWidth(40)
decrement_button = QPushButton("➖")
increment_button = QPushButton("➕")
decrement_button.setToolTip("Remove one")
increment_button.setToolTip("Add one")
number_layout = QHBoxLayout()
number_layout.addStretch()
number_layout.addWidget(decrement_button)
number_layout.addWidget(number_edit)
number_layout.addWidget(increment_button)
number_layout.addStretch()
number_layout.setContentsMargins(0, 0, 0, 0)
number_area = QWidget()
number_area.setLayout(number_layout)
number_area.setFixedHeight(20)
if backside_img is not None:
card_widget = StackedCardBacksideView(img, backside_img)
def backside_reset():
if card_name in print_dict["backsides"]:
del print_dict["backsides"][card_name]
new_backside_img = BacksideImage(
print_dict["backside_default"], img_dict
)
card_widget.refresh_backside(new_backside_img)
def backside_choose():
backside_choice = image_file_dialog(self, print_dict["image_dir"])
if backside_choice is not None and (
card_name not in print_dict["backsides"]
or backside_choice != print_dict["backsides"][card_name]
):
print_dict["backsides"][card_name] = backside_choice
new_backside_img = BacksideImage(backside_choice, img_dict)
card_widget.refresh_backside(new_backside_img)
card_widget._backside_reset.connect(backside_reset)
card_widget._backside_clicked.connect(backside_choose)
else:
card_widget = img
if backside_enabled or oversized_enabled:
extra_options = []
if backside_enabled:
is_short_edge = (
print_dict["backside_short_edge"][card_name]
if card_name in print_dict["backside_short_edge"]
else False
)
short_edge_checkbox = QCheckBox("Sideways")
short_edge_checkbox.setChecked(is_short_edge)
short_edge_checkbox.setToolTip(
"Determines whether to flip backside on short edge"
)
short_edge_checkbox.checkStateChanged.connect(
functools.partial(self.toggle_short_edge, print_dict)
)
extra_options.append(short_edge_checkbox)
if oversized_enabled:
is_oversized = (
print_dict["oversized"][card_name]
if card_name in print_dict["oversized"]
else False
)
oversized_checkbox = QCheckBox("Big")
oversized_checkbox.setToolTip(
"Determines whether this is an oversized card"
)
oversized_checkbox.setChecked(is_oversized)
oversized_checkbox.checkStateChanged.connect(
functools.partial(self.toggle_oversized, print_dict)
)
extra_options.append(oversized_checkbox)
extra_options_layout = QHBoxLayout()
extra_options_layout.addStretch()
for opt in extra_options:
extra_options_layout.addWidget(opt)
extra_options_layout.addStretch()
extra_options_layout.setContentsMargins(0, 0, 0, 0)
extra_options_area = QWidget()
extra_options_area.setLayout(extra_options_layout)
extra_options_area.setFixedHeight(20)
self._extra_options_area = extra_options_area
else:
self._extra_options_area = None
layout = QVBoxLayout()
layout.addWidget(card_widget)
layout.addWidget(number_area)
if self._extra_options_area is not None:
layout.addWidget(extra_options_area)
self.setLayout(layout)
palette = self.palette()
palette.setColor(self.backgroundRole(), 0x111111)
self.setPalette(palette)
self.setAutoFillBackground(True)
self._img_widget = img
self._number_area = number_area
number_edit.editingFinished.connect(
functools.partial(self.edit_number, print_dict)
)
decrement_button.clicked.connect(functools.partial(self.dec_number, print_dict))
increment_button.clicked.connect(functools.partial(self.inc_number, print_dict))
margins = self.layout().contentsMargins()
minimum_img_width = img.minimumWidth()
minimum_width = minimum_img_width + margins.left() + margins.right()
self.setMinimumSize(minimum_width, self.heightForWidth(minimum_width))
self._number_edit = number_edit
self._card_name = card_name
def heightForWidth(self, width):
margins = self.layout().contentsMargins()
spacing = self.layout().spacing()
img_width = width - margins.left() - margins.right()
img_height = self._img_widget.heightForWidth(img_width)
additional_widgets = self._number_area.height() + spacing
if self._extra_options_area:
additional_widgets += self._extra_options_area.height() + spacing
return img_height + additional_widgets + margins.top() + margins.bottom()
def apply_number(self, print_dict, number):
self._number_edit.setText(str(number))
print_dict["cards"][self._card_name] = number
def edit_number(self, print_dict):
number = int(self._number_edit.text())
number = max(number, 0)
self.apply_number(print_dict, number)
def dec_number(self, print_dict):
number = print_dict["cards"][self._card_name] - 1
number = max(number, 0)
self.apply_number(print_dict, number)
def inc_number(self, print_dict):
number = print_dict["cards"][self._card_name] + 1
number = min(number, 999)
self.apply_number(print_dict, number)
def toggle_short_edge(self, print_dict, s):
short_edge_dict = print_dict["backside_short_edge"]
if s == QtCore.Qt.CheckState.Checked:
short_edge_dict[self._card_name] = True
elif self._card_name in short_edge_dict:
del short_edge_dict[self._card_name]
def toggle_oversized(self, print_dict, s):
oversized_dict = print_dict["oversized"]
if s == QtCore.Qt.CheckState.Checked:
oversized_dict[self._card_name] = True
elif self._card_name in oversized_dict:
del oversized_dict[self._card_name]
class DummyCardWidget(CardWidget):
def __init__(self, print_dict, img_dict):
super().__init__(print_dict, img_dict, None)
self._card_name = "__dummy"
def apply_number(self, print_dict, number):
pass
def edit_number(self, print_dict):
pass
def dec_number(self, print_dict):
pass
def inc_number(self, print_dict):
pass
def toggle_oversized(self, print_dict, s):
pass
class CardGrid(QWidget):
def __init__(self, print_dict, img_dict):
super().__init__()
self._cards = {}
grid_layout = QGridLayout()
grid_layout.setContentsMargins(9, 9, 9, 9)
self.setLayout(grid_layout)
self.refresh(print_dict, img_dict)
def totalWidthFromItemWidth(self, item_width):
margins = self.layout().contentsMargins()
spacing = self.layout().spacing()
return (
item_width * self._cols
+ margins.left()
+ margins.right()
+ spacing * (self._cols - 1)
)
def heightForWidth(self, width):
margins = self.layout().contentsMargins()
spacing = self.layout().spacing()
item_width = int(
(width - margins.left() - margins.right() - spacing * (self._cols - 1))
/ self._cols
)
item_height = self._first_item.heightForWidth(item_width)
height = (
item_height * self._rows
+ margins.top()
+ margins.bottom()
+ spacing * (self._rows - 1)
)
return int(height)
def resizeEvent(self, event):
width = event.size().width()
height = self.heightForWidth(width)
self.setFixedHeight(height)
def refresh(self, print_dict, img_dict):
for card in self._cards.values():
card.setParent(None)
self._cards = {}
grid_layout = self.layout()
i = 0
cols = CFG.DisplayColumns
for card_name, _ in print_dict["cards"].items():
if card_name.startswith("__") or card_name not in img_dict:
continue
card_widget = CardWidget(print_dict, img_dict, card_name)
self._cards[card_name] = card_widget
x = i // cols
y = i % cols
grid_layout.addWidget(card_widget, x, y)
i = i + 1
for j in range(i, cols):
card_widget = DummyCardWidget(print_dict, img_dict)
sp_retain = card_widget.sizePolicy()
sp_retain.setRetainSizeWhenHidden(True)
card_widget.setSizePolicy(sp_retain)
card_widget.hide()
self._cards[card_widget._card_name] = card_widget
grid_layout.addWidget(card_widget, 0, j)
i = i + 1
self._first_item = list(self._cards.values())[0]
self._cols = cols
self._rows = math.ceil(i / cols)
self._nested_resize = False
self.setMinimumWidth(
self.totalWidthFromItemWidth(self._first_item.minimumWidth())
)
self.setMinimumHeight(
self._first_item.heightForWidth(self._first_item.minimumWidth())
)
class CardScrollArea(QScrollArea):
def __init__(self, print_dict, card_grid):
super().__init__()
global_label = QLabel("Global Controls:")
global_decrement_button = QPushButton("➖")
global_increment_button = QPushButton("➕")
global_set_zero_button = QPushButton("Reset All")
global_decrement_button.setToolTip("Remove one from all")
global_increment_button.setToolTip("Add one to all")
global_set_zero_button.setToolTip("Set all to zero")
global_number_layout = QHBoxLayout()
global_number_layout.addWidget(global_label)
global_number_layout.addWidget(global_decrement_button)
global_number_layout.addWidget(global_increment_button)
global_number_layout.addWidget(global_set_zero_button)
global_number_layout.addStretch()
global_number_layout.setContentsMargins(6, 0, 6, 0)
global_number_widget = QWidget()
global_number_widget.setLayout(global_number_layout)
card_area_layout = QVBoxLayout()
card_area_layout.addWidget(global_number_widget)
card_area_layout.addWidget(card_grid)
card_area_layout.addStretch()
card_area_layout.setSpacing(0)
card_area = QWidget()
card_area.setLayout(card_area_layout)
self.setWidgetResizable(True)
self.setFrameShape(QFrame.Shape.NoFrame)
self.setWidget(card_area)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarPolicy.ScrollBarAlwaysOn)
def dec_number():
for card in card_grid._cards.values():
card.dec_number(print_dict)
def inc_number():
for card in card_grid._cards.values():
card.inc_number(print_dict)
def reset_number():
for card in card_grid._cards.values():
card.apply_number(print_dict, 0)
global_decrement_button.clicked.connect(dec_number)
global_increment_button.clicked.connect(inc_number)
global_set_zero_button.clicked.connect(reset_number)
self._card_grid = card_grid
def computeMinimumWidth(self):
margins = self.widget().layout().contentsMargins()
return (
self._card_grid.minimumWidth()
+ 2 * self.verticalScrollBar().width()
+ margins.left()
+ margins.right()
)
def showEvent(self, event):
super().showEvent(event)
self.setMinimumWidth(self.computeMinimumWidth())
def refresh(self, print_dict, img_dict):
self._card_grid.refresh(print_dict, img_dict)
self.setMinimumWidth(self.computeMinimumWidth())
self._card_grid.adjustSize() # forces recomputing size
class PageGrid(QWidget):
def __init__(self, cards, backside, columns, rows, bleed_edge_mm, img_get):
super().__init__()
grid = QGridLayout()
grid.setSpacing(0)
grid.setContentsMargins(0, 0, 0, 0)
left_to_right = not backside
card_grid = pdf.distribute_cards_to_grid(cards, left_to_right, columns, rows)
has_missing_preview = False
for x in range(0, rows):
for y in range(0, columns):
if card := card_grid[x][y]:
(card_name, is_short_edge, is_oversized) = card
if card_name is None:
continue
img_data, img_size = img_get(card_name, bleed_edge_mm)
if img_data is None:
img_data, img_size = fallback.data, fallback.size
has_missing_preview = True
rotation = pdf.get_card_rotation(
backside, is_oversized, is_short_edge
)
img = CardImage(
img_data,
img_size,
round_corners=False,
rotation=rotation,
)
if is_oversized:
grid.addWidget(img, x, y, 1, 2)
else:
grid.addWidget(img, x, y)
# pad with dummy images if we have only one uncompleted row
for i in range(0, columns):
x, y = pdf.get_grid_coords(i, columns, backside)
if grid.itemAtPosition(x, y) is None:
img_data = fallback.data
img_size = fallback.size
img = CardImage(img_data, img_size)
sp_retain = img.sizePolicy()
sp_retain.setRetainSizeWhenHidden(True)
img.setSizePolicy(sp_retain)
img.hide()
grid.addWidget(img, x, y)
for i in range(0, grid.columnCount()):
grid.setColumnStretch(i, 1)
for i in range(0, grid.rowCount()):
grid.setRowStretch(i, 1)
self.setLayout(grid)
self._rows = grid.rowCount()
self._cols = grid.columnCount()
self._has_missing_preview = has_missing_preview
def hasMissingPreviews(self):
return self._has_missing_preview
def heightForWidth(self, width):
return int(width / card_ratio * (self._rows / self._cols))
def resizeEvent(self, event):
super().resizeEvent(event)
width = event.size().width()
height = self.heightForWidth(width)
self.setFixedHeight(height)
class PagePreview(QWidget):
def __init__(
self,
cards,
backside,
columns,
rows,
bleed_edge_mm,
page_size,
img_get,
):
super().__init__()
grid = PageGrid(cards, backside, columns, rows, bleed_edge_mm, img_get)
layout = QVBoxLayout()
layout.setSpacing(0)