Class: PreviewDialog
- Inherits:
-
Qt::Dialog
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- Defined in:
- ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb
Constant Summary
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- SmallPreviewLength =
200
- LargePreviewLength =
400
Instance Method Summary
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Methods inherited from Qt::Dialog
#exec
Methods inherited from Qt::Base
#%, #&, #*, #**, #+, #-, #-@, #/, #<, #<<, #<=, #==, #>, #>=, #>>, #QCOMPARE, #QEXPECT_FAIL, #QFAIL, #QSKIP, #QTEST, #QVERIFY, #QVERIFY2, #QWARN, #^, ancestors, #is_a?, #methods, private_slots, #protected_methods, #public_methods, q_classinfo, q_signal, q_slot, signals, #singleton_methods, slots, #|, #~
Constructor Details
#initialize(printer, parent) ⇒ PreviewDialog
Returns a new instance of PreviewDialog.
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 44
def initialize(printer, parent)
super(parent)
@printer = printer
@ui = Ui_PreviewDialogBase.new
@ui.setupUi(self)
@currentPage = 0
@pageCount = 0
@ui.pageList.setIconSize(Qt::Size(SmallPreviewLength, SmallPreviewLength))
@ui.pageList.().hide()
@previewLabel = PreviewLabel.new
@printer = Qt::Printer.new
@ui.previewArea.widget = @previewLabel
setupComboBoxes()
@ui.buttonBox.button(Qt::DialogButtonBox::Ok).text = tr("&Print")
end
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Instance Method Details
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 148
def accept()
markedPages = 0
for pageIndex in 0..@ui.pageList.topLevelItemCount
if @ui.pageList.topLevelItem(pageIndex).checkState(0) == Qt::Checked
markedPages += 1
end
end
markedPages += @pageCount - pageIndex
@printer.pageSize = @ui.paperSizeCombo.itemData(@ui.paperSizeCombo.currentIndex()).to_i
@printer.orientation = paperOrientationCombo.itemData(paperOrientationCombo.currentIndex()).to_i
dialog = Qt::PrintDialog.new(@printer, self)
if dialog.exec() != Qt::Dialog::Accepted
return
end
@ui.progressBar.maximum = markedPages
@ui.progressBar.enabled = true
@ui.progressBar.textVisible = true
painter = Qt::Painter.new
painter.begin(@printer)
@canceled = false
printed = 0
firstPage = true
for pageIndex in 0..@pageCount
$qApp.processEvents()
if @canceled
break
end
if pageIndex >= @currentPage || isSelected(pageIndex)
if !firstPage
@printer.newPage()
end
emit (pageIndex, painter, @printer)
printed += 1
@ui.progressBar.value = printed
firstPage = false
end
end
painter.end()
@ui.progressBar.textVisible = false
@ui.progressBar.enabled = false
Qt::Dialog.accept()
end
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 99
def addPage()
if @currentPage >= @pageCount
return
end
item = Qt::TreeWidgetItem.new(@ui.pageList)
item.setCheckState(0, Qt::Checked)
paintItem(item, @currentPage)
if @ui.pageList.indexOfTopLevelItem(@ui.pageList.currentItem()) < 0
@ui.pageList.currentItem = @ui.pageList.topLevelItem(0)
end
$qApp.processEvents()
@currentPage += 1
Qt::Timer.singleShot(0, self, SLOT('addPage()'))
end
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#isSelected(index) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 205
def isSelected(index)
if index >= 0 && index < @ui.pageList.topLevelItemCount
return @ui.pageList.topLevelItem(index).checkState(0) == Qt::Checked
else
return false
end
end
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#on_pageList_currentItemChanged ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 226
def on_pageList_currentItemChanged()
if @ui.pageList.indexOfTopLevelItem(@ui.pageList.currentItem()) < 0
return
end
pixmap = Qt::Pixmap.new(@previewLabel.size())
paintPreview(pixmap, @ui.pageList.indexOfTopLevelItem(@ui.pageList.currentItem()))
@previewLabel.pixmap = pixmap
@previewLabel.update()
end
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#on_paperOrientationCombo_activated(index) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 247
def on_paperOrientationCombo_activated(index)
@printer.orientation = @ui.paperOrientationCombo.itemData(index.to_i)
for index in 0..@ui.pageList.topLevelItemCount
paintItem(@ui.pageList.topLevelItem(index), index)
end
on_pageList_currentItemChanged()
end
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#on_paperSizeCombo_activated(index) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 237
def on_paperSizeCombo_activated(index)
@printer.pageSize = @ui.paperSizeCombo.itemData(index.to_i)
for index in 0..@ui.pageList.topLevelItemCount
paintItem(@ui.pageList.topLevelItem(index), index)
end
on_pageList_currentItemChanged()
end
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#paintItem(item, index) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 123
def paintItem(item, index)
pixmap = Qt::Pixmap.new(SmallPreviewLength, SmallPreviewLength)
paintPreview(pixmap, index)
item.setIcon(0, Qt::Icon.new(pixmap))
end
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#paintPreview(pixmap, index) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 129
def paintPreview(pixmap, index)
longestSide = [@printer.paperRect().width(),
@printer.paperRect().height()].max
width = pixmap.width() * @printer.paperRect().width() / longestSide
height = pixmap.height() * @printer.paperRect().height() / longestSide
pixmap.fill(qRgb(224,224,224))
painter = Qt::Painter.new
painter.begin(pixmap)
painter.renderHint = Qt::Painter::Antialiasing
painter.translate((pixmap.width() - width)/2,
(pixmap.height() - height)/2)
painter.fillRect(Qt::RectF.new(0, 0, width, height), Qt::Brush.new(Qt::white))
painter.scale(pixmap.width() / longestSide, pixmap.height() / longestSide)
painter.translate(@printer.().topLeft())
emit (index, painter, @printer)
painter.end()
end
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 213
def reject()
@canceled = true
Qt::Dialog.reject()
end
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#resizeEvent(event) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 218
def resizeEvent(event)
size = [[@ui.previewArea.width - @ui.previewArea.verticalScrollBar.width,
@ui.previewArea.height - @ui.previewArea.horizontalScrollBar.height].min,
LargePreviewLength].max
@previewLabel.resize(size, size)
on_pageList_currentItemChanged()
end
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#setNumberOfPages(count) ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 118
def setNumberOfPages(count)
@pageCount = count
Qt::Timer.singleShot(0, self, SLOT('addPage()'))
end
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#setupComboBoxes ⇒ Object
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# File 'ext/ruby/qtruby/examples/painting/fontsampler/previewdialog.rb', line 62
def setupComboBoxes()
@ui.paperSizeCombo.addItem(tr("A0 (841 x 1189 mm)"), Qt::Printer::A0)
@ui.paperSizeCombo.addItem(tr("A1 (594 x 841 mm)"), Qt::Printer::A1)
@ui.paperSizeCombo.addItem(tr("A2 (420 x 594 mm)"), Qt::Printer::A2)
@ui.paperSizeCombo.addItem(tr("A3 (297 x 420 mm)"), Qt::Printer::A3)
@ui.paperSizeCombo.addItem(tr("A4 (210 x 297 mm, 8.26 x 11.7 inches)"), Qt::Printer::A4)
@ui.paperSizeCombo.addItem(tr("A5 (148 x 210 mm)"), Qt::Printer::A5)
@ui.paperSizeCombo.addItem(tr("A6 (105 x 148 mm)"), Qt::Printer::A6)
@ui.paperSizeCombo.addItem(tr("A7 (74 x 105 mm)"), Qt::Printer::A7)
@ui.paperSizeCombo.addItem(tr("A8 (52 x 74 mm)"), Qt::Printer::A8)
@ui.paperSizeCombo.addItem(tr("A9 (37 x 52 mm)"), Qt::Printer::A9)
@ui.paperSizeCombo.addItem(tr("B0 (1000 x 1414 mm)"), Qt::Printer::B0)
@ui.paperSizeCombo.addItem(tr("B1 (707 x 1000 mm)"), Qt::Printer::B1)
@ui.paperSizeCombo.addItem(tr("B2 (500 x 707 mm)"), Qt::Printer::B2)
@ui.paperSizeCombo.addItem(tr("B3 (353 x 500 mm)"), Qt::Printer::B3)
@ui.paperSizeCombo.addItem(tr("B4 (250 x 353 mm)"), Qt::Printer::B4)
@ui.paperSizeCombo.addItem(tr("B5 (176 x 250 mm, 6.93 x 9.84 inches)"), Qt::Printer::B5)
@ui.paperSizeCombo.addItem(tr("B6 (125 x 176 mm)"), Qt::Printer::B6)
@ui.paperSizeCombo.addItem(tr("B7 (88 x 125 mm)"), Qt::Printer::B7)
@ui.paperSizeCombo.addItem(tr("B8 (62 x 88 mm)"), Qt::Printer::B8)
@ui.paperSizeCombo.addItem(tr("B9 (44 x 62 mm)"), Qt::Printer::B9)
@ui.paperSizeCombo.addItem(tr("B10 (31 x 44 mm)"), Qt::Printer::B10)
@ui.paperSizeCombo.addItem(tr("C5E (163 x 229 mm)"), Qt::Printer::C5E)
@ui.paperSizeCombo.addItem(tr("DLE (110 x 220 mm)"), Qt::Printer::DLE)
@ui.paperSizeCombo.addItem(tr("Executive (7.5 x 10 inches, 191 x 254 mm)"), Qt::Printer::Executive)
@ui.paperSizeCombo.addItem(tr("Folio (210 x 330 mm)"), Qt::Printer::Folio)
@ui.paperSizeCombo.addItem(tr("Ledger (432 x 279 mm)"), Qt::Printer::Ledger)
@ui.paperSizeCombo.addItem(tr("Legal (8.5 x 14 inches, 216 x 356 mm)"), Qt::Printer::Legal)
@ui.paperSizeCombo.addItem(tr("Letter (8.5 x 11 inches, 216 x 279 mm)"), Qt::Printer::Letter)
@ui.paperSizeCombo.addItem(tr("Tabloid (279 x 432 mm)"), Qt::Printer::Tabloid)
@ui.paperSizeCombo.addItem(tr("US Common #10 Envelope (105 x 241 mm)"), Qt::Printer::Comm10E)
@ui.paperSizeCombo.currentIndex = @ui.paperSizeCombo.findData(Qt::Printer::A4)
@ui.paperOrientationCombo.addItem(tr("Portrait"), Qt::Printer::Portrait)
@ui.paperOrientationCombo.addItem(tr("Landscape"), Qt::Printer::Landscape)
end
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