mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
2200 lines
67 KiB
C++
2200 lines
67 KiB
C++
// Copyright (C) 2023 Jakub Melka
|
|
//
|
|
// This file is part of PDF4QT.
|
|
//
|
|
// PDF4QT is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// with the written consent of the copyright owner, any later version.
|
|
//
|
|
// PDF4QT 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
#include "pdfwidgetformmanager.h"
|
|
#include "pdfdrawwidget.h"
|
|
#include "pdftexteditpseudowidget.h"
|
|
#include "pdfdrawspacecontroller.h"
|
|
#include "pdfform.h"
|
|
#include "pdfpainterutils.h"
|
|
#include "pdfwidgetannotation.h"
|
|
#include "pdfdocumentbuilder.h"
|
|
|
|
#include <QKeyEvent>
|
|
#include <QMouseEvent>
|
|
#include <QApplication>
|
|
#include <QByteArray>
|
|
#include <QClipboard>
|
|
#include <QStyleOption>
|
|
|
|
namespace pdf
|
|
{
|
|
|
|
/// "Pseudo" widget, which is emulating list box. It can contain scrollbar.
|
|
class PDFListBoxPseudowidget
|
|
{
|
|
public:
|
|
explicit PDFListBoxPseudowidget(PDFFormField::FieldFlags flags);
|
|
|
|
using Options = PDFFormFieldChoice::Options;
|
|
|
|
inline bool isReadonly() const { return m_flags.testFlag(PDFFormField::ReadOnly); }
|
|
inline bool isMultiSelect() const { return m_flags.testFlag(PDFFormField::MultiSelect); }
|
|
inline bool isCommitOnSelectionChange() const { return m_flags.testFlag(PDFFormField::CommitOnSelectionChange); }
|
|
|
|
void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event);
|
|
void keyPressEvent(QWidget* widget, QKeyEvent* event);
|
|
|
|
/// Sets widget appearance, such as font, font size, color, text alignment,
|
|
/// and rectangle, in which widget resides on page (in page coordinates)
|
|
/// \param appearance Appearance
|
|
/// \param textAlignment Text alignment
|
|
/// \param rect Widget rectangle in page coordinates
|
|
/// \param options Options selectable by list box
|
|
/// \param topIndex Index of first visible item
|
|
void setAppearance(const PDFAnnotationDefaultAppearance& appearance,
|
|
Qt::Alignment textAlignment,
|
|
QRectF rect,
|
|
const Options& options,
|
|
int topIndex,
|
|
std::set<int> selection);
|
|
|
|
/// Draw text edit using given parameters
|
|
/// \param parameters Parameters
|
|
void draw(AnnotationDrawParameters& parameters, bool edit) const;
|
|
|
|
/// Sets current selection. If commit on selection change flag
|
|
/// is set, then contents of the widgets are commited. New selection
|
|
/// is not set, if field is readonly and \p force is false
|
|
/// \param selection New selection
|
|
/// \param force Set selection even if readonly
|
|
void setSelection(std::set<int> selection, bool force);
|
|
|
|
/// Returns active item selection
|
|
const std::set<int>& getSelection() const { return m_selection; }
|
|
|
|
/// Returns top index
|
|
int getTopItemIndex() const { return m_topIndex; }
|
|
|
|
/// Set top item index
|
|
/// \param index Top item index
|
|
void setTopItemIndex(int index);
|
|
|
|
/// Scrolls the list box in such a way, that index is visible
|
|
/// \param index Index to scroll to
|
|
void scrollTo(int index);
|
|
|
|
/// Returns valid index from index (i.e. index which ranges from first
|
|
/// row to the last one). If index itself is valid, then it is returned.
|
|
/// \param index Index, from which we want to get valid one
|
|
int getValidIndex(int index) const;
|
|
|
|
/// Returns true, if index is valid
|
|
bool isValidIndex(int index) const { return index == getValidIndex(index); }
|
|
|
|
/// Returns number of rows in the viewport
|
|
int getViewportRowCount() const { return qFloor(m_widgetRect.height() / m_lineSpacing); }
|
|
|
|
/// Returns item index from widget position (i.e. transforms
|
|
/// point in the widget to the index of item, which is under the point)
|
|
/// \param point Widget point
|
|
int getIndexFromWidgetPosition(const QPointF& point) const;
|
|
|
|
/// Sets current item and updates selection based on keyboard modifiers
|
|
/// \param index New index
|
|
/// \param modifiers Keyboard modifiers
|
|
void setCurrentItem(int index, Qt::KeyboardModifiers modifiers);
|
|
|
|
/// Returns text of selected item text. If no item is selected,
|
|
/// or multiple items are selected, then empty string is returned.
|
|
/// \returns Selected text
|
|
QString getSelectedItemText() const;
|
|
|
|
/// Returns true, if single item is selected
|
|
bool isSingleItemSelected() const { return m_selection.size() == 1; }
|
|
|
|
/// Returns index of option, in the list box option list.
|
|
/// If option is not found, then -1 is returned.
|
|
/// \param option Option
|
|
int findOption(const QString& option) const;
|
|
|
|
/// Sets widget appearance, such as font, font size, color, text alignment,
|
|
/// and rectangle, in which widget resides on page (in page coordinates)
|
|
/// \param font Font
|
|
/// \param fontColor Font color
|
|
/// \param textAlignment Text alignment
|
|
/// \param rect Widget rectangle in page coordinates
|
|
/// \param options Options selectable by list box
|
|
/// \param topIndex Index of first visible item
|
|
void initialize(QFont font, QColor fontColor, Qt::Alignment textAlignment, QRectF rect,
|
|
const Options& options, int topIndex, std::set<int> selection);
|
|
|
|
private:
|
|
int getStartItemIndex() const { return 0; }
|
|
int getEndItemIndex() const { return m_options.empty() ? 0 : int(m_options.size() - 1); }
|
|
|
|
int getSingleStep() const { return 1; }
|
|
int getPageStep() const { return qMax(getViewportRowCount() - 1, getSingleStep()); }
|
|
|
|
/// Returns true, if row with this index is visible in the widget
|
|
/// (it is in viewport).
|
|
/// \param index Index
|
|
bool isVisible(int index) const;
|
|
|
|
/// Moves current item by offset (negative is up, positive is down)
|
|
/// \param offset Offset
|
|
/// \param modifiers Keyboard modifiers
|
|
void moveCurrentItemIndexByOffset(int offset, Qt::KeyboardModifiers modifiers) { setCurrentItem(m_currentIndex + offset, modifiers); }
|
|
|
|
/// Returns true, if list box has continuous selection
|
|
bool hasContinuousSelection() const;
|
|
|
|
/// Creates transformation matrix, which transforms widget coordinates to page coordinates
|
|
QTransform createListBoxTransformMatrix() const;
|
|
|
|
PDFFormField::FieldFlags m_flags;
|
|
|
|
Options m_options;
|
|
Qt::Alignment m_textAlignment = Qt::Alignment();
|
|
int m_topIndex = 0;
|
|
int m_currentIndex = 0;
|
|
std::set<int> m_selection;
|
|
QFont m_font;
|
|
PDFReal m_lineSpacing = 0.0;
|
|
QRectF m_widgetRect;
|
|
QColor m_textColor;
|
|
};
|
|
|
|
|
|
/// Editor for button-like editors
|
|
class PDFFormFieldAbstractButtonEditor : public PDFFormFieldWidgetEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldWidgetEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldAbstractButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldAbstractButtonEditor() = default;
|
|
|
|
virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void keyReleaseEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
|
|
protected:
|
|
virtual void click() = 0;
|
|
};
|
|
|
|
/// Editor for push buttons
|
|
class PDFFormFieldPushButtonEditor : public PDFFormFieldAbstractButtonEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldAbstractButtonEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldPushButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldPushButtonEditor() = default;
|
|
|
|
protected:
|
|
virtual void click() override;
|
|
};
|
|
|
|
/// Editor for check boxes or radio buttons
|
|
class PDFFormFieldCheckableButtonEditor : public PDFFormFieldAbstractButtonEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldAbstractButtonEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldCheckableButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldCheckableButtonEditor() = default;
|
|
|
|
protected:
|
|
virtual void click() override;
|
|
};
|
|
|
|
/// Editor for text fields
|
|
class PDFFormFieldTextBoxEditor : public PDFFormFieldWidgetEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldWidgetEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldTextBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldTextBoxEditor() = default;
|
|
|
|
virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void reloadValue() override;
|
|
virtual bool isEditorDrawEnabled() const override { return m_hasFocus; }
|
|
virtual void draw(AnnotationDrawParameters& parameters, bool edit) const override;
|
|
|
|
/// Initializes text edit using actual form field value,
|
|
/// font, color for text edit appearance.
|
|
/// \param textEdit Text editor
|
|
void initializeTextEdit(PDFTextEditPseudowidget* textEdit) const;
|
|
|
|
protected:
|
|
virtual void setFocusImpl(bool focused) override;
|
|
|
|
private:
|
|
PDFTextEditPseudowidget m_textEdit;
|
|
};
|
|
|
|
/// Editor for combo boxes
|
|
class PDFFormFieldComboBoxEditor : public PDFFormFieldWidgetEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldWidgetEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldComboBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldComboBoxEditor() = default;
|
|
|
|
virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void wheelEvent(QWidget* widget, QWheelEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void reloadValue() override;
|
|
virtual bool isEditorDrawEnabled() const override { return m_hasFocus; }
|
|
virtual void draw(AnnotationDrawParameters& parameters, bool edit) const override;
|
|
virtual QRectF getActiveEditorRectangle() const override;
|
|
|
|
/// Initializes text edit using actual form field value,
|
|
/// font, color for text edit appearance.
|
|
/// \param textEdit Text editor
|
|
void initializeTextEdit(PDFTextEditPseudowidget* textEdit) const;
|
|
|
|
/// Initializes list box using actual form field font, color for text edit appearance.
|
|
/// This listbox is used when combo box is in "down" mode, displaying options.
|
|
/// \param listBox List box
|
|
void initializeListBox(PDFListBoxPseudowidget* listBox) const;
|
|
|
|
protected:
|
|
virtual void setFocusImpl(bool focused) override;
|
|
|
|
private:
|
|
static PDFFormField::FieldFlags getTextEditFlags(PDFFormField::FieldFlags flags);
|
|
|
|
/// Updates list box selection based on current text. If current text
|
|
/// corresponds to some item in the list box, then item is selected
|
|
/// and scrolled to. If text is not found in the text box, then
|
|
/// selection is cleared.
|
|
void updateListBoxSelection();
|
|
|
|
PDFTextEditPseudowidget m_textEdit;
|
|
PDFListBoxPseudowidget m_listBox;
|
|
QRectF m_listBoxPopupRectangle;
|
|
QRectF m_dropDownButtonRectangle;
|
|
bool m_listBoxVisible;
|
|
};
|
|
|
|
/// Editor for list boxes
|
|
class PDFFormFieldListBoxEditor : public PDFFormFieldWidgetEditor
|
|
{
|
|
private:
|
|
using BaseClass = PDFFormFieldWidgetEditor;
|
|
|
|
public:
|
|
explicit PDFFormFieldListBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget);
|
|
virtual ~PDFFormFieldListBoxEditor() = default;
|
|
|
|
virtual void shortcutOverrideEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void keyPressEvent(QWidget* widget, QKeyEvent* event) override;
|
|
virtual void mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void wheelEvent(QWidget* widget, QWheelEvent* event, const QPointF& mousePagePosition) override;
|
|
virtual void reloadValue() override;
|
|
virtual bool isEditorDrawEnabled() const override { return m_hasFocus; }
|
|
virtual void draw(AnnotationDrawParameters& parameters, bool edit) const override;
|
|
|
|
/// Initializes list box using actual form field value,
|
|
/// font, color for text edit appearance.
|
|
/// \param listBox List box
|
|
void initializeListBox(PDFListBoxPseudowidget* listBox) const;
|
|
|
|
protected:
|
|
virtual void setFocusImpl(bool focused) override;
|
|
|
|
private:
|
|
/// Returns list of selected items parsed from the object.
|
|
/// If object is invalid, empty selection is returned. Indices are
|
|
/// primarily read from \p indices object, if it fails, indices
|
|
/// are being read from \p value object.
|
|
/// \param value Selection (string or array of strings)
|
|
/// \param indices Selected indices
|
|
std::set<int> getSelectedItems(PDFObject value, PDFObject indices) const;
|
|
|
|
/// Commits data to the PDF document
|
|
void commit();
|
|
|
|
PDFListBoxPseudowidget m_listBox;
|
|
};
|
|
|
|
PDFWidgetFormManager::PDFWidgetFormManager(PDFDrawWidgetProxy* proxy, QObject* parent) :
|
|
BaseClass(parent),
|
|
m_annotationManager(nullptr),
|
|
m_proxy(proxy),
|
|
m_focusedEditor(nullptr)
|
|
{
|
|
Q_ASSERT(proxy);
|
|
}
|
|
|
|
PDFWidgetAnnotationManager* PDFWidgetFormManager::getAnnotationManager() const
|
|
{
|
|
return m_annotationManager;
|
|
}
|
|
|
|
void PDFWidgetFormManager::setAnnotationManager(PDFWidgetAnnotationManager* annotationManager)
|
|
{
|
|
m_annotationManager = annotationManager;
|
|
}
|
|
|
|
void PDFWidgetFormManager::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if (m_focusedEditor)
|
|
{
|
|
m_focusedEditor->shortcutOverrideEvent(widget, event);
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if (m_focusedEditor)
|
|
{
|
|
m_focusedEditor->keyPressEvent(widget, event);
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::keyReleaseEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if (m_focusedEditor)
|
|
{
|
|
m_focusedEditor->keyReleaseEvent(widget, event);
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::mousePressEvent(QWidget* widget, QMouseEvent* event)
|
|
{
|
|
if (!hasForm())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MouseEventInfo info = getMouseEventInfo(widget, event->pos());
|
|
if (info.isValid())
|
|
{
|
|
Q_ASSERT(info.editor);
|
|
|
|
// We try to set focus on editor
|
|
if (event->button() == Qt::LeftButton)
|
|
{
|
|
setFocusToEditor(info.editor);
|
|
}
|
|
|
|
info.editor->mousePressEvent(widget, event, info.mousePosition);
|
|
grabMouse(info, event);
|
|
}
|
|
else if (!isMouseGrabbed())
|
|
{
|
|
// Mouse is not grabbed, user clicked elsewhere, unfocus editor
|
|
setFocusToEditor(nullptr);
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event)
|
|
{
|
|
if (!hasForm())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MouseEventInfo info = getMouseEventInfo(widget, event->pos());
|
|
if (info.isValid())
|
|
{
|
|
Q_ASSERT(info.editor);
|
|
info.editor->mouseDoubleClickEvent(widget, event, info.mousePosition);
|
|
|
|
// If mouse is grabbed, then event is accepted always (because
|
|
// we get Press event, when we grabbed the mouse, then we will
|
|
// wait for corresponding release event while all mouse move events
|
|
// will be accepted, even if editor doesn't accept them.
|
|
if (isMouseGrabbed())
|
|
{
|
|
event->accept();
|
|
}
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::mouseReleaseEvent(QWidget* widget, QMouseEvent* event)
|
|
{
|
|
if (!hasForm())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MouseEventInfo info = getMouseEventInfo(widget, event->pos());
|
|
if (info.isValid())
|
|
{
|
|
Q_ASSERT(info.editor);
|
|
info.editor->mouseReleaseEvent(widget, event, info.mousePosition);
|
|
ungrabMouse(info, event);
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::mouseMoveEvent(QWidget* widget, QMouseEvent* event)
|
|
{
|
|
if (!hasForm())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MouseEventInfo info = getMouseEventInfo(widget, event->pos());
|
|
if (info.isValid())
|
|
{
|
|
Q_ASSERT(info.editor);
|
|
info.editor->mouseMoveEvent(widget, event, info.mousePosition);
|
|
|
|
// If mouse is grabbed, then event is accepted always (because
|
|
// we get Press event, when we grabbed the mouse, then we will
|
|
// wait for corresponding release event while all mouse move events
|
|
// will be accepted, even if editor doesn't accept them.
|
|
if (isMouseGrabbed())
|
|
{
|
|
event->accept();
|
|
}
|
|
|
|
if (hasFormFieldWidgetText(info.editor->getWidgetAnnotation()))
|
|
{
|
|
m_mouseCursor = QCursor(Qt::IBeamCursor);
|
|
}
|
|
else
|
|
{
|
|
m_mouseCursor = QCursor(Qt::ArrowCursor);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_mouseCursor = std::nullopt;
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::wheelEvent(QWidget* widget, QWheelEvent* event)
|
|
{
|
|
if (!hasForm())
|
|
{
|
|
return;
|
|
}
|
|
|
|
MouseEventInfo info = getMouseEventInfo(widget, event->position().toPoint());
|
|
if (info.isValid())
|
|
{
|
|
Q_ASSERT(info.editor);
|
|
info.editor->wheelEvent(widget, event, info.mousePosition);
|
|
|
|
// We will accept mouse wheel events, if we are grabbing the mouse.
|
|
// We do not want to zoom in/zoom out while grabbing.
|
|
if (isMouseGrabbed())
|
|
{
|
|
event->accept();
|
|
}
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::grabMouse(const MouseEventInfo& info, QMouseEvent* event)
|
|
{
|
|
if (event->type() == QEvent::MouseButtonDblClick)
|
|
{
|
|
// Double clicks doesn't grab the mouse
|
|
return;
|
|
}
|
|
|
|
Q_ASSERT(event->type() == QEvent::MouseButtonPress);
|
|
|
|
if (isMouseGrabbed())
|
|
{
|
|
// If mouse is already grabbed, then when new mouse button is pressed,
|
|
// we just increase nesting level and accept the mouse event. We are
|
|
// accepting all mouse events, if mouse is grabbed.
|
|
++m_mouseGrabInfo.mouseGrabNesting;
|
|
event->accept();
|
|
}
|
|
else if (event->isAccepted())
|
|
{
|
|
// Event is accepted and we are not grabbing the mouse. We must start
|
|
// grabbing the mouse.
|
|
Q_ASSERT(m_mouseGrabInfo.mouseGrabNesting == 0);
|
|
++m_mouseGrabInfo.mouseGrabNesting;
|
|
m_mouseGrabInfo.info = info;
|
|
}
|
|
}
|
|
|
|
PDFWidgetFormManager::MouseEventInfo PDFWidgetFormManager::getMouseEventInfo(QWidget* widget, QPoint point)
|
|
{
|
|
MouseEventInfo result;
|
|
|
|
if (isMouseGrabbed())
|
|
{
|
|
result = m_mouseGrabInfo.info;
|
|
result.mousePosition = result.deviceToWidget.map(point);
|
|
return result;
|
|
}
|
|
|
|
std::vector<PDFInteger> currentPages = m_proxy->getWidget()->getDrawWidget()->getCurrentPages();
|
|
|
|
if (!m_annotationManager->hasAnyPageAnnotation(currentPages))
|
|
{
|
|
// All pages doesn't have annotation
|
|
return result;
|
|
}
|
|
|
|
PDFWidgetSnapshot snapshot = m_proxy->getSnapshot();
|
|
for (const PDFWidgetSnapshot::SnapshotItem& snapshotItem : snapshot.items)
|
|
{
|
|
const PDFAnnotationManager::PageAnnotations& pageAnnotations = m_annotationManager->getPageAnnotations(snapshotItem.pageIndex);
|
|
for (const PDFAnnotationManager::PageAnnotation& pageAnnotation : pageAnnotations.annotations)
|
|
{
|
|
if (pageAnnotation.annotation->isReplyTo())
|
|
{
|
|
// Annotation is reply to another annotation, do not interact with it
|
|
continue;
|
|
}
|
|
|
|
if (pageAnnotation.annotation->getType() != AnnotationType::Widget)
|
|
{
|
|
// Annotation is not widget annotation (form field), do not interact with it
|
|
continue;
|
|
}
|
|
|
|
if (PDFFormField* formField = getFormFieldForWidget(pageAnnotation.annotation->getSelfReference()))
|
|
{
|
|
PDFFormFieldWidgetEditor* editor = getEditor(formField);
|
|
QRectF annotationRect = editor ? editor->getActiveEditorRectangle() : QRectF();
|
|
if (!annotationRect.isValid())
|
|
{
|
|
annotationRect = pageAnnotation.annotation->getRectangle();
|
|
}
|
|
QTransform widgetToDevice = m_annotationManager->prepareTransformations(snapshotItem.pageToDeviceMatrix, widget, pageAnnotation.annotation->getEffectiveFlags(), getDocument()->getCatalog()->getPage(snapshotItem.pageIndex), annotationRect);
|
|
|
|
QPainterPath path;
|
|
path.addRect(annotationRect);
|
|
path = widgetToDevice.map(path);
|
|
|
|
if (path.contains(point))
|
|
{
|
|
result.formField = formField;
|
|
result.deviceToWidget = widgetToDevice.inverted();
|
|
result.mousePosition = result.deviceToWidget.map(point);
|
|
result.editor = editor;
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
const std::optional<QCursor>& PDFWidgetFormManager::getCursor() const
|
|
{
|
|
return m_mouseCursor;
|
|
}
|
|
|
|
void PDFWidgetFormManager::ungrabMouse(const MouseEventInfo& info, QMouseEvent* event)
|
|
{
|
|
Q_UNUSED(info);
|
|
Q_ASSERT(event->type() == QEvent::MouseButtonRelease);
|
|
|
|
if (isMouseGrabbed())
|
|
{
|
|
// Mouse is being grabbed, decrease nesting level. We must also accept
|
|
// mouse release event, because mouse is being grabbed.
|
|
--m_mouseGrabInfo.mouseGrabNesting;
|
|
event->accept();
|
|
|
|
if (!isMouseGrabbed())
|
|
{
|
|
m_mouseGrabInfo.info = MouseEventInfo();
|
|
}
|
|
}
|
|
|
|
Q_ASSERT(m_mouseGrabInfo.mouseGrabNesting >= 0);
|
|
}
|
|
|
|
int PDFWidgetFormManager::getInputPriority() const
|
|
{
|
|
return FormPriority;
|
|
}
|
|
|
|
QString PDFWidgetFormManager::getTooltip() const
|
|
{
|
|
return QString();
|
|
}
|
|
|
|
bool PDFWidgetFormManager::focusNextPrevFormField(bool next)
|
|
{
|
|
if (m_widgetEditors.empty())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
std::vector<PDFFormFieldWidgetEditor*>::const_iterator newFocusIterator = m_widgetEditors.cend();
|
|
|
|
if (!m_focusedEditor)
|
|
{
|
|
// We are setting a new focus
|
|
if (next)
|
|
{
|
|
newFocusIterator = m_widgetEditors.cbegin();
|
|
}
|
|
else
|
|
{
|
|
newFocusIterator = std::prev(m_widgetEditors.cend());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::vector<PDFFormFieldWidgetEditor*>::const_iterator it = std::find(m_widgetEditors.cbegin(), m_widgetEditors.cend(), m_focusedEditor);
|
|
Q_ASSERT(it != m_widgetEditors.cend());
|
|
|
|
if (next)
|
|
{
|
|
newFocusIterator = std::next(it);
|
|
}
|
|
else if (it != m_widgetEditors.cbegin())
|
|
{
|
|
newFocusIterator = std::prev(it);
|
|
}
|
|
}
|
|
|
|
if (newFocusIterator != m_widgetEditors.cend())
|
|
{
|
|
setFocusToEditor(*newFocusIterator);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// Jakub Melka: We must remove focus out of editor, because
|
|
setFocusToEditor(nullptr);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void PDFWidgetFormManager::clearEditors()
|
|
{
|
|
qDeleteAll(m_widgetEditors);
|
|
m_widgetEditors.clear();
|
|
}
|
|
|
|
void PDFWidgetFormManager::updateFormWidgetEditors()
|
|
{
|
|
setFocusToEditor(nullptr);
|
|
clearEditors();
|
|
|
|
for (PDFFormWidget widget : getWidgets())
|
|
{
|
|
const PDFFormField* formField = widget.getParent();
|
|
switch (formField->getFieldType())
|
|
{
|
|
case PDFFormField::FieldType::Button:
|
|
{
|
|
Q_ASSERT(dynamic_cast<const PDFFormFieldButton*>(formField));
|
|
const PDFFormFieldButton* formFieldButton = static_cast<const PDFFormFieldButton*>(formField);
|
|
switch (formFieldButton->getButtonType())
|
|
{
|
|
case PDFFormFieldButton::ButtonType::PushButton:
|
|
{
|
|
m_widgetEditors.push_back(new PDFFormFieldPushButtonEditor(this, widget));
|
|
break;
|
|
}
|
|
|
|
case PDFFormFieldButton::ButtonType::RadioButton:
|
|
case PDFFormFieldButton::ButtonType::CheckBox:
|
|
{
|
|
m_widgetEditors.push_back(new PDFFormFieldCheckableButtonEditor(this, widget));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case PDFFormField::FieldType::Text:
|
|
{
|
|
m_widgetEditors.push_back(new PDFFormFieldTextBoxEditor(this, widget));
|
|
break;
|
|
}
|
|
|
|
case PDFFormField::FieldType::Choice:
|
|
{
|
|
Q_ASSERT(dynamic_cast<const PDFFormFieldChoice*>(formField));
|
|
const PDFFormFieldChoice* formFieldChoice = static_cast<const PDFFormFieldChoice*>(formField);
|
|
if (formFieldChoice->isComboBox())
|
|
{
|
|
m_widgetEditors.push_back(new PDFFormFieldComboBoxEditor(this, widget));
|
|
}
|
|
else if (formFieldChoice->isListBox())
|
|
{
|
|
m_widgetEditors.push_back(new PDFFormFieldListBoxEditor(this, widget));
|
|
}
|
|
else
|
|
{
|
|
// Uknown field choice
|
|
Q_ASSERT(false);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case PDFFormField::FieldType::Signature:
|
|
// Signature fields doesn't have editor
|
|
break;
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PDFWidgetFormManager::setFocusToEditor(PDFFormFieldWidgetEditor* editor)
|
|
{
|
|
if (m_focusedEditor != editor)
|
|
{
|
|
if (m_focusedEditor)
|
|
{
|
|
m_focusedEditor->setFocus(false);
|
|
}
|
|
|
|
m_focusedEditor = editor;
|
|
|
|
if (m_focusedEditor)
|
|
{
|
|
m_focusedEditor->setFocus(true);
|
|
}
|
|
|
|
// Request repaint, because focus changed
|
|
Q_ASSERT(m_proxy);
|
|
m_proxy->repaintNeeded();
|
|
}
|
|
}
|
|
|
|
bool PDFWidgetFormManager::isFocused(PDFObjectReference widget) const
|
|
{
|
|
if (m_focusedEditor)
|
|
{
|
|
return m_focusedEditor->getWidgetAnnotation() == widget;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
PDFWidgetFormManager::~PDFWidgetFormManager()
|
|
{
|
|
clearEditors();
|
|
}
|
|
|
|
void PDFWidgetFormManager::updateFieldValues()
|
|
{
|
|
BaseClass::updateFieldValues();
|
|
|
|
if (getDocument())
|
|
{
|
|
for (PDFFormFieldWidgetEditor* editor : m_widgetEditors)
|
|
{
|
|
editor->reloadValue();
|
|
}
|
|
}
|
|
}
|
|
|
|
PDFFormFieldWidgetEditor* PDFWidgetFormManager::getEditor(const PDFFormField* formField) const
|
|
{
|
|
for (PDFFormFieldWidgetEditor* editor : m_widgetEditors)
|
|
{
|
|
if (editor->getFormField() == formField)
|
|
{
|
|
return editor;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
PDFFormFieldWidgetEditor::PDFFormFieldWidgetEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
m_formManager(formManager),
|
|
m_formWidget(formWidget),
|
|
m_hasFocus(false)
|
|
{
|
|
Q_ASSERT(m_formManager);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::keyReleaseEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
Q_UNUSED(mousePagePosition);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
Q_UNUSED(mousePagePosition);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::mouseReleaseEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
Q_UNUSED(mousePagePosition);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
Q_UNUSED(mousePagePosition);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::wheelEvent(QWidget* widget, QWheelEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(event);
|
|
Q_UNUSED(mousePagePosition);
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::setFocus(bool hasFocus)
|
|
{
|
|
if (m_hasFocus != hasFocus)
|
|
{
|
|
m_hasFocus = hasFocus;
|
|
setFocusImpl(m_hasFocus);
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::draw(AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
Q_UNUSED(parameters);
|
|
Q_UNUSED(edit)
|
|
}
|
|
|
|
void PDFFormFieldWidgetEditor::performKeypadNavigation(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
int key = event->key();
|
|
|
|
const bool isLeft = key == Qt::Key_Left;
|
|
const bool isRight = key == Qt::Key_Right;
|
|
const bool isDown = key == Qt::Key_Down;
|
|
const bool isHorizontal = isLeft || isRight;
|
|
|
|
Qt::NavigationMode navigationMode = Qt::NavigationModeKeypadDirectional;
|
|
#ifdef QT_KEYPAD_NAVIGATION
|
|
navigationMode = QApplication::navigationMode();
|
|
#endif
|
|
|
|
switch (navigationMode)
|
|
{
|
|
case Qt::NavigationModeKeypadTabOrder:
|
|
{
|
|
// According the Qt's documentation, Up/Down arrows are used
|
|
// to change focus. So, if user pressed Left/Right, we must
|
|
// ignore this event.
|
|
if (isHorizontal)
|
|
{
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Qt::NavigationModeKeypadDirectional:
|
|
// Default behaviour
|
|
break;
|
|
|
|
default:
|
|
// Nothing happens
|
|
return;
|
|
}
|
|
|
|
bool next = false;
|
|
if (isHorizontal)
|
|
{
|
|
switch (widget->layoutDirection())
|
|
{
|
|
case Qt::LeftToRight:
|
|
case Qt::LayoutDirectionAuto:
|
|
next = isRight;
|
|
break;
|
|
|
|
case Qt::RightToLeft:
|
|
next = isLeft;
|
|
break;
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Vertical
|
|
next = isDown;
|
|
}
|
|
|
|
m_formManager->focusNextPrevFormField(next);
|
|
}
|
|
|
|
PDFFormFieldPushButtonEditor::PDFFormFieldPushButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget)
|
|
{
|
|
|
|
}
|
|
|
|
PDFFormFieldAbstractButtonEditor::PDFFormFieldAbstractButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget)
|
|
{
|
|
|
|
}
|
|
|
|
void PDFFormFieldAbstractButtonEditor::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
switch (event->key())
|
|
{
|
|
case Qt::Key_Enter:
|
|
case Qt::Key_Return:
|
|
case Qt::Key_Left:
|
|
case Qt::Key_Right:
|
|
case Qt::Key_Up:
|
|
case Qt::Key_Down:
|
|
{
|
|
event->accept();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldAbstractButtonEditor::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
switch (event->key())
|
|
{
|
|
case Qt::Key_Enter:
|
|
case Qt::Key_Return:
|
|
{
|
|
click();
|
|
event->accept();
|
|
break;
|
|
}
|
|
|
|
case Qt::Key_Left:
|
|
case Qt::Key_Right:
|
|
case Qt::Key_Up:
|
|
case Qt::Key_Down:
|
|
{
|
|
performKeypadNavigation(widget, event);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldAbstractButtonEditor::keyReleaseEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
switch (event->key())
|
|
{
|
|
case Qt::Key_Select:
|
|
case Qt::Key_Space:
|
|
{
|
|
click();
|
|
event->accept();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldAbstractButtonEditor::mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(widget);
|
|
Q_UNUSED(mousePagePosition);
|
|
|
|
if (event->button() == Qt::LeftButton)
|
|
{
|
|
click();
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldPushButtonEditor::click()
|
|
{
|
|
if (const PDFAction* mousePressAction = m_formManager->getAction(PDFAnnotationAdditionalActions::MousePressed, getFormWidget()))
|
|
{
|
|
Q_EMIT m_formManager->actionTriggered(mousePressAction);
|
|
}
|
|
else if (const PDFAction* defaultAction = m_formManager->getAction(PDFAnnotationAdditionalActions::Default, getFormWidget()))
|
|
{
|
|
Q_EMIT m_formManager->actionTriggered(defaultAction);
|
|
}
|
|
}
|
|
|
|
PDFFormFieldCheckableButtonEditor::PDFFormFieldCheckableButtonEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget)
|
|
{
|
|
|
|
}
|
|
|
|
void PDFFormFieldCheckableButtonEditor::click()
|
|
{
|
|
QByteArray newState;
|
|
|
|
// First, check current state of form field
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
QByteArray state = loader.readName(m_formWidget.getParent()->getValue());
|
|
QByteArray onState = PDFFormFieldButton::getOnAppearanceState(m_formManager, &m_formWidget);
|
|
if (state != onState)
|
|
{
|
|
newState = onState;
|
|
}
|
|
else
|
|
{
|
|
newState = PDFFormFieldButton::getOffAppearanceState(m_formManager, &m_formWidget);
|
|
}
|
|
|
|
// We have a new state, try to apply it to form field
|
|
PDFFormField::SetValueParameters parameters;
|
|
parameters.formManager = m_formManager;
|
|
parameters.invokingWidget = m_formWidget.getWidget();
|
|
parameters.invokingFormField = m_formWidget.getParent();
|
|
parameters.scope = PDFFormField::SetValueParameters::Scope::User;
|
|
parameters.value = PDFObject::createName(qMove(newState));
|
|
m_formManager->setFormFieldValue(parameters);
|
|
}
|
|
|
|
PDFFormFieldComboBoxEditor::PDFFormFieldComboBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget),
|
|
m_textEdit(getTextEditFlags(formWidget.getParent()->getFlags())),
|
|
m_listBox(formWidget.getParent()->getFlags()),
|
|
m_listBoxVisible(false)
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
initializeTextEdit(&m_textEdit);
|
|
|
|
QFontMetricsF fontMetrics(m_textEdit.getFont());
|
|
const qreal lineSpacing = fontMetrics.lineSpacing();
|
|
|
|
const int listBoxItems = qMin(7, int(parentField->getOptions().size()));
|
|
QRectF comboBoxRectangle = m_formManager->getWidgetRectangle(m_formWidget);
|
|
QRectF listBoxPopupRectangle = comboBoxRectangle;
|
|
listBoxPopupRectangle.translate(0, -lineSpacing * (listBoxItems));
|
|
listBoxPopupRectangle.setHeight(lineSpacing * listBoxItems);
|
|
m_listBoxPopupRectangle = listBoxPopupRectangle;
|
|
m_dropDownButtonRectangle = comboBoxRectangle;
|
|
m_dropDownButtonRectangle.setLeft(m_dropDownButtonRectangle.right() - m_dropDownButtonRectangle.height());
|
|
initializeListBox(&m_listBox);
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if (!m_hasFocus || !m_listBoxVisible)
|
|
{
|
|
m_textEdit.shortcutOverrideEvent(widget, event);
|
|
}
|
|
else
|
|
{
|
|
m_listBox.shortcutOverrideEvent(widget, event);
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_ASSERT(!m_textEdit.isMultiline());
|
|
|
|
if ((event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return))
|
|
{
|
|
// If popup list box is shown, then use text and hide it,
|
|
// otherwise close the editor.
|
|
if (m_listBoxVisible)
|
|
{
|
|
if (m_listBox.isSingleItemSelected())
|
|
{
|
|
m_textEdit.setText(m_listBox.getSelectedItemText());
|
|
}
|
|
m_listBoxVisible = false;
|
|
}
|
|
else
|
|
{
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
}
|
|
|
|
event->accept();
|
|
}
|
|
else if (event->key() == Qt::Key_Escape)
|
|
{
|
|
// If popup list box is shown, hide it, if not, cancel the editing
|
|
if (m_listBoxVisible)
|
|
{
|
|
m_listBoxVisible = false;
|
|
}
|
|
else
|
|
{
|
|
reloadValue();
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
}
|
|
event->accept();
|
|
}
|
|
else if (!m_listBoxVisible)
|
|
{
|
|
m_textEdit.keyPressEvent(widget, event);
|
|
}
|
|
else
|
|
{
|
|
m_listBox.keyPressEvent(widget, event);
|
|
}
|
|
|
|
if (event->isAccepted())
|
|
{
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->button() == Qt::LeftButton && m_hasFocus)
|
|
{
|
|
// If popup list box is visible, delegate mouse click to
|
|
// this list box only.
|
|
if (m_listBoxVisible)
|
|
{
|
|
const int index = m_listBox.getIndexFromWidgetPosition(mousePagePosition);
|
|
m_listBox.setCurrentItem(index, event->modifiers());
|
|
|
|
if (m_listBox.isSingleItemSelected())
|
|
{
|
|
m_textEdit.setText(m_listBox.getSelectedItemText());
|
|
}
|
|
|
|
m_listBoxVisible = false;
|
|
}
|
|
else
|
|
{
|
|
// Do we click popup button?
|
|
if (m_dropDownButtonRectangle.contains(mousePagePosition))
|
|
{
|
|
m_listBoxVisible = true;
|
|
updateListBoxSelection();
|
|
}
|
|
else
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, event->modifiers() & Qt::ShiftModifier);
|
|
}
|
|
}
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->button() == Qt::LeftButton)
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, false);
|
|
m_textEdit.setCursorPosition(m_textEdit.getCursorWordBackward(), false);
|
|
m_textEdit.setCursorPosition(m_textEdit.getCursorWordForward(), true);
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
// We must test, if left mouse button is pressed while
|
|
// we are moving the mouse - if yes, then select the text.
|
|
if (event->buttons() & Qt::LeftButton && !m_listBoxVisible)
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, true);
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::wheelEvent(QWidget* widget, QWheelEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(mousePagePosition);
|
|
|
|
if (m_listBoxVisible)
|
|
{
|
|
if (event->angleDelta().y() < 0)
|
|
{
|
|
m_listBox.scrollTo(m_listBox.getValidIndex(m_listBox.getTopItemIndex() + m_listBox.getViewportRowCount()));
|
|
}
|
|
else
|
|
{
|
|
m_listBox.scrollTo(m_listBox.getValidIndex(m_listBox.getTopItemIndex() - 1));
|
|
}
|
|
|
|
widget->update();
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::updateListBoxSelection()
|
|
{
|
|
QString text = m_textEdit.getText();
|
|
|
|
const int index = m_listBox.findOption(text);
|
|
if (m_listBox.isValidIndex(index))
|
|
{
|
|
m_listBox.setSelection({ index }, true);
|
|
m_listBox.scrollTo(index);
|
|
}
|
|
else
|
|
{
|
|
m_listBox.setTopItemIndex(0);
|
|
m_listBox.setSelection({ }, true);
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::reloadValue()
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
m_textEdit.setText(loader.readTextString(m_formWidget.getParent()->getValue(), QString()));
|
|
|
|
m_listBoxVisible = false;
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::draw(AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
if (edit)
|
|
{
|
|
// Draw text edit always
|
|
{
|
|
PDFPainterStateGuard guard(parameters.painter);
|
|
m_textEdit.draw(parameters, true);
|
|
}
|
|
|
|
// Draw down button
|
|
{
|
|
PDFPainterStateGuard guard(parameters.painter);
|
|
|
|
parameters.painter->translate(m_dropDownButtonRectangle.bottomLeft());
|
|
parameters.painter->scale(1.0, -1.0);
|
|
|
|
QStyleOption option;
|
|
option.state = QStyle::State_Enabled;
|
|
option.rect = QRect(0, 0, qFloor(m_dropDownButtonRectangle.width()), qFloor(m_dropDownButtonRectangle.height()));
|
|
QApplication::style()->drawPrimitive(QStyle::PE_IndicatorButtonDropDown, &option, parameters.painter, nullptr);
|
|
}
|
|
|
|
if (m_listBoxVisible)
|
|
{
|
|
PDFPainterStateGuard guard(parameters.painter);
|
|
|
|
AnnotationDrawParameters listBoxParameters = parameters;
|
|
listBoxParameters.boundingRectangle = m_listBoxPopupRectangle;
|
|
|
|
QColor color = parameters.colorConvertor.convert(Qt::white, true, false);
|
|
listBoxParameters.painter->fillRect(listBoxParameters.boundingRectangle, color);
|
|
|
|
m_listBox.draw(listBoxParameters, true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Draw static contents
|
|
PDFTextEditPseudowidget pseudowidget(m_formWidget.getParent()->getFlags());
|
|
initializeTextEdit(&pseudowidget);
|
|
pseudowidget.draw(parameters, false);
|
|
}
|
|
}
|
|
|
|
QRectF PDFFormFieldComboBoxEditor::getActiveEditorRectangle() const
|
|
{
|
|
if (m_hasFocus && m_listBoxVisible)
|
|
{
|
|
return m_textEdit.getWidgetRect().united(m_listBoxPopupRectangle);
|
|
}
|
|
|
|
return QRectF();
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::initializeTextEdit(PDFTextEditPseudowidget* textEdit) const
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
|
|
QByteArray defaultAppearance = m_formManager->getForm()->getDefaultAppearance().value_or(QByteArray());
|
|
Qt::Alignment alignment = m_formManager->getForm()->getDefaultAlignment();
|
|
|
|
// Initialize text edit
|
|
textEdit->setAppearance(PDFAnnotationDefaultAppearance::parse(defaultAppearance), alignment, m_formManager->getWidgetRectangle(m_formWidget), 0);
|
|
textEdit->setText(loader.readTextString(parentField->getValue(), QString()));
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::initializeListBox(PDFListBoxPseudowidget* listBox) const
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
// Initialize popup list box
|
|
listBox->initialize(m_textEdit.getFont(), m_textEdit.getFontColor(), m_formManager->getForm()->getDefaultAlignment(), m_listBoxPopupRectangle, parentField->getOptions(), 0, { });
|
|
}
|
|
|
|
void PDFFormFieldComboBoxEditor::setFocusImpl(bool focused)
|
|
{
|
|
if (focused)
|
|
{
|
|
m_textEdit.setCursorPosition(m_textEdit.getPositionEnd(), false);
|
|
m_textEdit.performSelectAll();
|
|
}
|
|
else if (!m_formManager->isCommitDisabled())
|
|
{
|
|
// If text has been changed, then commit it
|
|
PDFObject object = PDFObjectFactory::createTextString(m_textEdit.getText());
|
|
|
|
if (object != m_formWidget.getParent()->getValue())
|
|
{
|
|
PDFFormField::SetValueParameters parameters;
|
|
parameters.formManager = m_formManager;
|
|
parameters.invokingWidget = m_formWidget.getWidget();
|
|
parameters.invokingFormField = m_formWidget.getParent();
|
|
parameters.scope = PDFFormField::SetValueParameters::Scope::User;
|
|
parameters.value = qMove(object);
|
|
m_formManager->setFormFieldValue(parameters);
|
|
}
|
|
}
|
|
}
|
|
|
|
PDFFormField::FieldFlags PDFFormFieldComboBoxEditor::getTextEditFlags(PDFFormField::FieldFlags flags)
|
|
{
|
|
if (flags.testFlag(PDFFormField::ReadOnly) || !flags.testFlag(PDFFormField::Edit))
|
|
{
|
|
return PDFFormField::ReadOnly;
|
|
}
|
|
|
|
return PDFFormField::None;
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::initializeTextEdit(PDFTextEditPseudowidget* textEdit) const
|
|
{
|
|
const PDFFormFieldText* parentField = dynamic_cast<const PDFFormFieldText*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
|
|
QByteArray defaultAppearance = parentField->getDefaultAppearance();
|
|
if (defaultAppearance.isEmpty())
|
|
{
|
|
defaultAppearance = m_formManager->getForm()->getDefaultAppearance().value_or(QByteArray());
|
|
}
|
|
Qt::Alignment alignment = parentField->getAlignment();
|
|
if (!(alignment & Qt::AlignHorizontal_Mask))
|
|
{
|
|
alignment |= m_formManager->getForm()->getDefaultAlignment() & Qt::AlignHorizontal_Mask;
|
|
}
|
|
|
|
// Initialize text edit
|
|
textEdit->setAppearance(PDFAnnotationDefaultAppearance::parse(defaultAppearance), alignment, m_formManager->getWidgetRectangle(m_formWidget), parentField->getTextMaximalLength());
|
|
textEdit->setText(loader.readTextString(parentField->getValue(), QString()));
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::setFocusImpl(bool focused)
|
|
{
|
|
if (focused)
|
|
{
|
|
m_textEdit.setCursorPosition(m_textEdit.getPositionEnd(), false);
|
|
m_textEdit.performSelectAll();
|
|
}
|
|
else if (!m_textEdit.isPassword() && !m_formManager->isCommitDisabled()) // Passwords are not saved in the document
|
|
{
|
|
// If text has been changed, then commit it
|
|
PDFObject object = PDFObjectFactory::createTextString(m_textEdit.getText());
|
|
|
|
if (object != m_formWidget.getParent()->getValue())
|
|
{
|
|
PDFFormField::SetValueParameters parameters;
|
|
parameters.formManager = m_formManager;
|
|
parameters.invokingWidget = m_formWidget.getWidget();
|
|
parameters.invokingFormField = m_formWidget.getParent();
|
|
parameters.scope = PDFFormField::SetValueParameters::Scope::User;
|
|
parameters.value = qMove(object);
|
|
m_formManager->setFormFieldValue(parameters);
|
|
}
|
|
}
|
|
}
|
|
|
|
PDFFormFieldTextBoxEditor::PDFFormFieldTextBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget),
|
|
m_textEdit(formWidget.getParent()->getFlags())
|
|
{
|
|
initializeTextEdit(&m_textEdit);
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
m_textEdit.shortcutOverrideEvent(widget, event);
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if (!m_textEdit.isMultiline() && (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return))
|
|
{
|
|
// Commit the editor
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
if (event->key() == Qt::Key_Escape)
|
|
{
|
|
// Cancel the editor
|
|
reloadValue();
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
m_textEdit.keyPressEvent(widget, event);
|
|
|
|
if (event->isAccepted())
|
|
{
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->button() == Qt::LeftButton)
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, event->modifiers() & Qt::ShiftModifier);
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::mouseDoubleClickEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->button() == Qt::LeftButton)
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, false);
|
|
m_textEdit.setCursorPosition(m_textEdit.getCursorWordBackward(), false);
|
|
m_textEdit.setCursorPosition(m_textEdit.getCursorWordForward(), true);
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
// We must test, if left mouse button is pressed while
|
|
// we are moving the mouse - if yes, then select the text.
|
|
if (event->buttons() & Qt::LeftButton)
|
|
{
|
|
const int cursorPosition = m_textEdit.getCursorPositionFromWidgetPosition(mousePagePosition, m_hasFocus);
|
|
m_textEdit.setCursorPosition(cursorPosition, true);
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::reloadValue()
|
|
{
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
m_textEdit.setText(loader.readTextString(m_formWidget.getParent()->getValue(), QString()));
|
|
}
|
|
|
|
void PDFFormFieldTextBoxEditor::draw(AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
if (edit)
|
|
{
|
|
m_textEdit.draw(parameters, true);
|
|
}
|
|
else
|
|
{
|
|
// Draw static contents
|
|
PDFTextEditPseudowidget pseudowidget(m_formWidget.getParent()->getFlags());
|
|
initializeTextEdit(&pseudowidget);
|
|
pseudowidget.draw(parameters, false);
|
|
}
|
|
}
|
|
|
|
PDFListBoxPseudowidget::PDFListBoxPseudowidget(PDFFormField::FieldFlags flags) :
|
|
m_flags(flags),
|
|
m_topIndex(0),
|
|
m_currentIndex(0)
|
|
{
|
|
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
if (event == QKeySequence::Copy)
|
|
{
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
if (event == QKeySequence::SelectAll)
|
|
{
|
|
// Select All can be processed only, if multiselection is allowed
|
|
if (isMultiSelect())
|
|
{
|
|
event->accept();
|
|
}
|
|
return;
|
|
}
|
|
|
|
switch (event->key())
|
|
{
|
|
case Qt::Key_Home:
|
|
case Qt::Key_End:
|
|
case Qt::Key_Up:
|
|
case Qt::Key_Down:
|
|
case Qt::Key_PageUp:
|
|
case Qt::Key_PageDown:
|
|
event->accept();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
event->accept();
|
|
|
|
if (event == QKeySequence::Copy)
|
|
{
|
|
// Copy the item text
|
|
if (m_currentIndex >= 0 && m_currentIndex < m_options.size())
|
|
{
|
|
QApplication::clipboard()->setText(m_options[m_currentIndex].userString, QClipboard::Clipboard);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (event == QKeySequence::SelectAll && isMultiSelect())
|
|
{
|
|
std::set<int> selection;
|
|
for (int i = 0; i < m_options.size(); ++i)
|
|
{
|
|
selection.insert(i);
|
|
}
|
|
setSelection(qMove(selection), false);
|
|
return;
|
|
}
|
|
|
|
switch (event->key())
|
|
{
|
|
case Qt::Key_Home:
|
|
setCurrentItem(getStartItemIndex(), event->modifiers());
|
|
break;
|
|
|
|
case Qt::Key_End:
|
|
setCurrentItem(getEndItemIndex(), event->modifiers());
|
|
break;
|
|
|
|
case Qt::Key_Up:
|
|
moveCurrentItemIndexByOffset(-getSingleStep(), event->modifiers());
|
|
break;
|
|
|
|
case Qt::Key_Down:
|
|
moveCurrentItemIndexByOffset(getSingleStep(), event->modifiers());
|
|
break;
|
|
|
|
case Qt::Key_PageUp:
|
|
moveCurrentItemIndexByOffset(-getPageStep(), event->modifiers());
|
|
break;
|
|
|
|
case Qt::Key_PageDown:
|
|
moveCurrentItemIndexByOffset(getPageStep(), event->modifiers());
|
|
break;
|
|
|
|
default:
|
|
event->ignore();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::initialize(QFont font, QColor fontColor, Qt::Alignment textAlignment, QRectF rect,
|
|
const Options& options, int topIndex, std::set<int> selection)
|
|
{
|
|
m_font = font;
|
|
|
|
QFontMetricsF fontMetrics(m_font);
|
|
m_lineSpacing = fontMetrics.lineSpacing();
|
|
|
|
m_textColor = fontColor;
|
|
if (!m_textColor.isValid())
|
|
{
|
|
m_textColor = Qt::black;
|
|
}
|
|
|
|
m_textAlignment = textAlignment;
|
|
m_widgetRect = rect;
|
|
m_options = options;
|
|
m_topIndex = getValidIndex(topIndex);
|
|
m_selection = qMove(selection);
|
|
m_currentIndex = m_topIndex;
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::setAppearance(const PDFAnnotationDefaultAppearance& appearance,
|
|
Qt::Alignment textAlignment,
|
|
QRectF rect,
|
|
const PDFListBoxPseudowidget::Options& options,
|
|
int topIndex,
|
|
std::set<int> selection)
|
|
{
|
|
// Set appearance
|
|
qreal fontSize = appearance.getFontSize();
|
|
if (qFuzzyIsNull(fontSize))
|
|
{
|
|
fontSize = qMax(rect.height() / qMax<qreal>(options.size(), 1), qreal(12.0));
|
|
}
|
|
|
|
QColor fontColor = appearance.getFontColor();
|
|
|
|
QFont font(appearance.getFontName());
|
|
font.setHintingPreference(QFont::PreferNoHinting);
|
|
font.setPixelSize(qCeil(fontSize));
|
|
font.setStyleStrategy(QFont::ForceOutline);
|
|
|
|
initialize(font, fontColor, textAlignment, rect, options, topIndex, qMove(selection));
|
|
}
|
|
|
|
QTransform PDFListBoxPseudowidget::createListBoxTransformMatrix() const
|
|
{
|
|
QTransform matrix;
|
|
matrix.translate(m_widgetRect.left(), m_widgetRect.bottom());
|
|
matrix.scale(1.0, -1.0);
|
|
return matrix;
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::draw(AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
pdf::PDFPainterStateGuard guard(parameters.painter);
|
|
|
|
if (!parameters.boundingRectangle.isValid())
|
|
{
|
|
parameters.boundingRectangle = parameters.annotation->getRectangle();
|
|
}
|
|
|
|
QPalette palette = QApplication::palette();
|
|
QTransform matrix = createListBoxTransformMatrix();
|
|
QPainter* painter = parameters.painter;
|
|
|
|
if (edit)
|
|
{
|
|
pdf::PDFPainterStateGuard guard2(painter);
|
|
painter->setPen(parameters.colorConvertor.convert(Qt::black, false, true));
|
|
painter->setBrush(Qt::NoBrush);
|
|
painter->drawRect(parameters.boundingRectangle);
|
|
}
|
|
|
|
painter->setClipRect(parameters.boundingRectangle, Qt::IntersectClip);
|
|
painter->setWorldTransform(QTransform(matrix), true);
|
|
painter->setPen(parameters.colorConvertor.convert(m_textColor, false, true));
|
|
painter->setFont(m_font);
|
|
|
|
QColor textColor = parameters.colorConvertor.convert(m_textColor, false, true);
|
|
QColor highlightTextColor = parameters.colorConvertor.convert(palette.color(QPalette::HighlightedText), false, true);
|
|
QColor highlightColor = parameters.colorConvertor.convert(palette.color(QPalette::Highlight), false, false);
|
|
|
|
QRectF rect(0, 0, m_widgetRect.width(), m_lineSpacing);
|
|
for (int i = m_topIndex; i < int(m_options.size()); ++i)
|
|
{
|
|
if (m_selection.count(i))
|
|
{
|
|
painter->fillRect(rect, highlightColor);
|
|
painter->setPen(highlightTextColor);
|
|
}
|
|
else
|
|
{
|
|
painter->setPen(textColor);
|
|
}
|
|
|
|
painter->drawText(rect, m_textAlignment | Qt::TextSingleLine, m_options[i].userString);
|
|
|
|
if (edit && m_currentIndex == i)
|
|
{
|
|
pdf::PDFPainterStateGuard guard2(painter);
|
|
painter->setBrush(Qt::NoBrush);
|
|
painter->setPen(Qt::DotLine);
|
|
painter->drawRect(rect);
|
|
}
|
|
|
|
rect.translate(0, m_lineSpacing);
|
|
}
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::setSelection(std::set<int> selection, bool force)
|
|
{
|
|
if (isReadonly() && !force)
|
|
{
|
|
// Field is readonly
|
|
return;
|
|
}
|
|
|
|
// Jakub Melka: Here should be also commit, when flag CommitOnSelectionChange is set,
|
|
// but we do it only, when widget loses focus (so no need to update appearance often).
|
|
// I hope it will be OK.
|
|
|
|
m_selection = qMove(selection);
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::setTopItemIndex(int index)
|
|
{
|
|
m_topIndex = getValidIndex(index);
|
|
}
|
|
|
|
bool PDFListBoxPseudowidget::isVisible(int index) const
|
|
{
|
|
return index >= m_topIndex && index < m_topIndex + getViewportRowCount();
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::scrollTo(int index)
|
|
{
|
|
while (!isVisible(index))
|
|
{
|
|
if (index < m_topIndex)
|
|
{
|
|
--m_topIndex;
|
|
}
|
|
else
|
|
{
|
|
++m_topIndex;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PDFListBoxPseudowidget::setCurrentItem(int index, Qt::KeyboardModifiers modifiers)
|
|
{
|
|
index = getValidIndex(index);
|
|
|
|
if (m_currentIndex == index)
|
|
{
|
|
return;
|
|
}
|
|
|
|
std::set<int> newSelection;
|
|
if (!isMultiSelect() || !modifiers.testFlag(Qt::ShiftModifier))
|
|
{
|
|
newSelection = { index };
|
|
}
|
|
else
|
|
{
|
|
int indexFrom = index;
|
|
int indexTo = index;
|
|
|
|
if (hasContinuousSelection())
|
|
{
|
|
indexFrom = qMin(index, *m_selection.begin());
|
|
indexTo = qMax(index, *m_selection.rbegin());
|
|
}
|
|
else
|
|
{
|
|
indexFrom = qMin(index, m_currentIndex);
|
|
indexTo = qMax(index, m_currentIndex);
|
|
}
|
|
|
|
for (int i = indexFrom; i <= indexTo; ++i)
|
|
{
|
|
newSelection.insert(i);
|
|
}
|
|
}
|
|
|
|
m_currentIndex = index;
|
|
setSelection(qMove(newSelection), false);
|
|
scrollTo(m_currentIndex);
|
|
}
|
|
|
|
QString PDFListBoxPseudowidget::getSelectedItemText() const
|
|
{
|
|
if (m_selection.size() == 1)
|
|
{
|
|
const int selectedIndex = *m_selection.begin();
|
|
return m_options[selectedIndex].userString;
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
int PDFListBoxPseudowidget::findOption(const QString& option) const
|
|
{
|
|
auto it = std::find_if(m_options.cbegin(), m_options.cend(), [&option](const auto& currentOption) { return currentOption.userString == option; });
|
|
if (it != m_options.cend())
|
|
{
|
|
return static_cast<int>(std::distance(m_options.cbegin(), it));
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
bool PDFListBoxPseudowidget::hasContinuousSelection() const
|
|
{
|
|
if (m_selection.empty())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return *m_selection.rbegin() - *m_selection.begin() + 1 == int(m_selection.size());
|
|
}
|
|
|
|
int PDFListBoxPseudowidget::getValidIndex(int index) const
|
|
{
|
|
return qBound(getStartItemIndex(), index, getEndItemIndex());
|
|
}
|
|
|
|
int PDFListBoxPseudowidget::getIndexFromWidgetPosition(const QPointF& point) const
|
|
{
|
|
QTransform widgetToPageMatrix = createListBoxTransformMatrix();
|
|
QTransform pageToWidgetMatrix = widgetToPageMatrix.inverted();
|
|
|
|
QPointF widgetPoint = pageToWidgetMatrix.map(point);
|
|
const qreal y = widgetPoint.y();
|
|
const int visualIndex = qFloor(y / m_lineSpacing);
|
|
return m_topIndex + visualIndex;
|
|
}
|
|
|
|
PDFFormFieldListBoxEditor::PDFFormFieldListBoxEditor(PDFWidgetFormManager* formManager, PDFFormWidget formWidget) :
|
|
BaseClass(formManager, formWidget),
|
|
m_listBox(formWidget.getParent()->getFlags())
|
|
{
|
|
initializeListBox(&m_listBox);
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::shortcutOverrideEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
Q_UNUSED(widget);
|
|
|
|
m_listBox.shortcutOverrideEvent(widget, event);
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::keyPressEvent(QWidget* widget, QKeyEvent* event)
|
|
{
|
|
if ((event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return))
|
|
{
|
|
// Commit the editor
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
if (event->key() == Qt::Key_Escape)
|
|
{
|
|
// Cancel the editor
|
|
reloadValue();
|
|
m_formManager->setFocusToEditor(nullptr);
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
m_listBox.keyPressEvent(widget, event);
|
|
|
|
if (event->isAccepted())
|
|
{
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::mousePressEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->button() == Qt::LeftButton && m_hasFocus)
|
|
{
|
|
const int index = m_listBox.getIndexFromWidgetPosition(mousePagePosition);
|
|
|
|
if (event->modifiers() & Qt::ControlModifier)
|
|
{
|
|
std::set<int> selection = m_listBox.getSelection();
|
|
if (selection.count(index))
|
|
{
|
|
selection.erase(index);
|
|
}
|
|
else
|
|
{
|
|
selection.insert(index);
|
|
}
|
|
m_listBox.setSelection(qMove(selection), false);
|
|
}
|
|
else
|
|
{
|
|
m_listBox.setCurrentItem(index, event->modifiers());
|
|
}
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::mouseMoveEvent(QWidget* widget, QMouseEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
if (event->buttons() & Qt::LeftButton)
|
|
{
|
|
const int index = m_listBox.getIndexFromWidgetPosition(mousePagePosition);
|
|
|
|
if (!(event->modifiers() & Qt::ControlModifier))
|
|
{
|
|
m_listBox.setCurrentItem(index, event->modifiers());
|
|
|
|
event->accept();
|
|
widget->update();
|
|
}
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::wheelEvent(QWidget* widget, QWheelEvent* event, const QPointF& mousePagePosition)
|
|
{
|
|
Q_UNUSED(mousePagePosition);
|
|
|
|
if (m_hasFocus)
|
|
{
|
|
if (event->angleDelta().y() < 0)
|
|
{
|
|
m_listBox.scrollTo(m_listBox.getValidIndex(m_listBox.getTopItemIndex() + m_listBox.getViewportRowCount()));
|
|
}
|
|
else
|
|
{
|
|
m_listBox.scrollTo(m_listBox.getValidIndex(m_listBox.getTopItemIndex() - 1));
|
|
}
|
|
|
|
widget->update();
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::reloadValue()
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
m_listBox.setTopItemIndex(parentField->getTopIndex());
|
|
m_listBox.setSelection(getSelectedItems(parentField->getValue(), parentField->getSelection()), true);
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::draw(AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
if (edit)
|
|
{
|
|
m_listBox.draw(parameters, true);
|
|
}
|
|
else
|
|
{
|
|
// Draw static contents
|
|
PDFListBoxPseudowidget pseudowidget(m_formWidget.getParent()->getFlags());
|
|
initializeListBox(&pseudowidget);
|
|
pseudowidget.draw(parameters, false);
|
|
}
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::initializeListBox(PDFListBoxPseudowidget* listBox) const
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
listBox->setAppearance(PDFAnnotationDefaultAppearance::parse(m_formManager->getForm()->getDefaultAppearance().value_or(QByteArray())),
|
|
m_formManager->getForm()->getDefaultAlignment(),
|
|
m_formManager->getWidgetRectangle(m_formWidget),
|
|
parentField->getOptions(),
|
|
parentField->getTopIndex(),
|
|
getSelectedItems(parentField->getValue(), parentField->getSelection()));
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::setFocusImpl(bool focused)
|
|
{
|
|
if (!focused && !m_listBox.isReadonly() && !m_formManager->isCommitDisabled())
|
|
{
|
|
commit();
|
|
}
|
|
}
|
|
|
|
std::set<int> PDFFormFieldListBoxEditor::getSelectedItems(PDFObject value, PDFObject indices) const
|
|
{
|
|
std::set<int> result;
|
|
|
|
PDFDocumentDataLoaderDecorator loader(m_formManager->getDocument());
|
|
value = m_formManager->getDocument()->getObject(value);
|
|
|
|
std::vector<PDFInteger> indicesVector = loader.readIntegerArray(indices);
|
|
if (indicesVector.empty())
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
const PDFFormFieldChoice::Options& options = parentField->getOptions();
|
|
auto addOption = [&options, &result](const QString& optionString)
|
|
{
|
|
for (size_t i = 0; i < options.size(); ++i)
|
|
{
|
|
const PDFFormFieldChoice::Option& option = options[i];
|
|
if (option.userString == optionString)
|
|
{
|
|
result.insert(int(i));
|
|
}
|
|
}
|
|
};
|
|
|
|
if (value.isString())
|
|
{
|
|
addOption(loader.readTextString(value, QString()));
|
|
}
|
|
else if (value.isArray())
|
|
{
|
|
for (const QString& string : loader.readTextStringList(value))
|
|
{
|
|
addOption(string);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::sort(indicesVector.begin(), indicesVector.end());
|
|
std::copy(indicesVector.cbegin(), indicesVector.cend(), std::inserter(result, result.cend()));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void PDFFormFieldListBoxEditor::commit()
|
|
{
|
|
PDFObject object;
|
|
|
|
const std::set<int>& selection = m_listBox.getSelection();
|
|
if (!selection.empty())
|
|
{
|
|
const PDFFormFieldChoice* parentField = dynamic_cast<const PDFFormFieldChoice*>(m_formWidget.getParent());
|
|
Q_ASSERT(parentField);
|
|
|
|
const PDFFormFieldChoice::Options& options = parentField->getOptions();
|
|
std::set<QString> values;
|
|
|
|
for (const int index : selection)
|
|
{
|
|
values.insert(options[index].userString);
|
|
}
|
|
|
|
if (values.size() == 1)
|
|
{
|
|
object = PDFObjectFactory::createTextString(*values.begin());
|
|
}
|
|
else
|
|
{
|
|
PDFObjectFactory objectFactory;
|
|
objectFactory.beginArray();
|
|
|
|
for (const QString& string : values)
|
|
{
|
|
objectFactory << string;
|
|
}
|
|
|
|
objectFactory.endArray();
|
|
object = objectFactory.takeObject();
|
|
}
|
|
}
|
|
|
|
if (object != m_formWidget.getParent()->getValue())
|
|
{
|
|
PDFFormField::SetValueParameters parameters;
|
|
parameters.formManager = m_formManager;
|
|
parameters.invokingWidget = m_formWidget.getWidget();
|
|
parameters.invokingFormField = m_formWidget.getParent();
|
|
parameters.scope = PDFFormField::SetValueParameters::Scope::User;
|
|
parameters.value = qMove(object);
|
|
parameters.listboxTopIndex = m_listBox.getTopItemIndex();
|
|
std::copy(selection.cbegin(), selection.cend(), std::back_inserter(parameters.listboxChoices));
|
|
m_formManager->setFormFieldValue(parameters);
|
|
}
|
|
}
|
|
|
|
bool PDFWidgetFormManager::isEditorDrawEnabled(const PDFObjectReference& reference) const
|
|
{
|
|
const PDFFormFieldWidgetEditor* editor = getEditor(getFormFieldForWidget(reference));
|
|
return editor && editor->isEditorDrawEnabled();
|
|
}
|
|
|
|
void PDFWidgetFormManager::onDocumentReset()
|
|
{
|
|
updateFormWidgetEditors();
|
|
}
|
|
|
|
bool PDFWidgetFormManager::isEditorDrawEnabled(const PDFFormField* formField) const
|
|
{
|
|
const PDFFormFieldWidgetEditor* editor = getEditor(formField);
|
|
return editor && editor->isEditorDrawEnabled();
|
|
}
|
|
|
|
void PDFWidgetFormManager::drawFormField(const PDFFormField* formField, AnnotationDrawParameters& parameters, bool edit) const
|
|
{
|
|
const PDFFormFieldWidgetEditor* editor = getEditor(formField);
|
|
if (editor)
|
|
{
|
|
editor->draw(parameters, edit);
|
|
}
|
|
}
|
|
|
|
} // namespace pdf
|