90 lines
3.5 KiB
Python
90 lines
3.5 KiB
Python
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#!/usr/bin/env python3
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# Takes a LibreOffice .ui file and provides linting tips for maintaining
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# a consistent look for dialogs
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import sys
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import xml.etree.ElementTree as ET
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DEFAULT_WARNING_STR = 'Lint assertion failed'
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POSSIBLE_TOP_LEVEL_WIDGETS = ['GtkDialog', 'GtkBox', 'GtkFrame', 'GtkGrid']
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IGNORED_TOP_LEVEL_WIDGETS = ['GtkAdjustment', 'GtkImage', 'GtkListStore', 'GtkSizeGroup', 'GtkMenu', 'GtkTextBuffer']
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BORDER_WIDTH = '6'
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BUTTON_BOX_SPACING = '12'
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ALIGNMENT_TOP_PADDING = '6'
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def lint_assert(predicate, warning=DEFAULT_WARNING_STR):
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if not predicate:
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print(" * " + warning)
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def check_top_level_widget(element):
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# check widget type
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widget_type = element.attrib['class']
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lint_assert(widget_type in POSSIBLE_TOP_LEVEL_WIDGETS,
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"Top level widget should be 'GtkDialog', 'GtkFrame', 'GtkBox', or 'GtkGrid'")
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# check border_width property
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border_width_properties = element.findall("property[@name='border_width']")
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if len(border_width_properties) < 1:
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lint_assert(False, "No border_width set on top level widget. Should probably be " + BORDER_WIDTH)
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if len(border_width_properties) == 1:
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border_width = border_width_properties[0]
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lint_assert(border_width.text == BORDER_WIDTH,
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"Top level 'border_width' property should be " + BORDER_WIDTH)
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def check_button_box_spacing(element):
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spacing = element.findall("property[@name='spacing']")[0]
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lint_assert(spacing.text == BUTTON_BOX_SPACING,
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"Button box 'spacing' should be " + BUTTON_BOX_SPACING)
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def check_frames(root):
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frames = [element for element in root.findall('.//object') if element.attrib['class'] == 'GtkFrame']
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for frame in frames:
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frame_alignments = frame.findall("./child/object[@class='GtkAlignment']")
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assert len(frame_alignments) <= 1
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if len(frame_alignments) < 1:
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lint_assert(False, "No GtkAlignment in GtkFrame with id = '" + frame.attrib['id'] + "'")
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if len(frame_alignments) == 1:
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alignment = frame_alignments[0]
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check_alignment_top_padding(alignment)
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def check_alignment_top_padding(alignment):
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top_padding_properties = alignment.findall("./property[@name='top_padding']")
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assert len(top_padding_properties) <= 1
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if len(top_padding_properties) < 1:
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lint_assert(False, "No GtkAlignment 'top_padding' set. Should probably be " + ALIGNMENT_TOP_PADDING)
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if len(top_padding_properties) == 1:
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top_padding = top_padding_properties[0]
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lint_assert(top_padding.text == ALIGNMENT_TOP_PADDING,
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"GtkAlignment 'top_padding' should be " + ALIGNMENT_TOP_PADDING)
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def main():
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print(" == " + sys.argv[1] + " ==")
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tree = ET.parse(sys.argv[1])
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root = tree.getroot()
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top_level_widgets = [element for element in root.findall('object') if element.attrib['class'] not in IGNORED_TOP_LEVEL_WIDGETS]
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assert len(top_level_widgets) == 1
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top_level_widget = top_level_widgets[0]
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check_top_level_widget(top_level_widget)
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# TODO - only do this if we have a GtkDialog?
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# check button box spacing
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button_box = top_level_widget.findall("child[@id='dialog-vbox1']")
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if len(button_box) > 0:
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element = button_box[0]
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check_button_box_spacing(element)
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check_frames(root)
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if __name__ == "__main__":
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main()
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