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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <DropDownFormFieldButton.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <edtwin.hxx>
#include <basegfx/color/bcolortools.hxx>
#include <viewopt.hxx>
#include <bookmrk.hxx>
#include <vcl/floatwin.hxx>
#include <vcl/event.hxx>
#include <vcl/lstbox.hxx>
#include <xmloff/odffields.hxx>
#include <IMark.hxx>
#include <view.hxx>
#include <docsh.hxx>
#include <strings.hrc>
/**
* Popup dialog for drop-down form field showing the list items of the field.
* The user can select the item using this popup while filling in a form.
*/
class SwFieldDialog : public FloatingWindow
{
private:
VclPtr<ListBox> aListBox;
sw::mark::IFieldmark* pFieldmark;
DECL_LINK(MyListBoxHandler, ListBox&, void);
public:
SwFieldDialog(SwEditWin* parent, sw::mark::IFieldmark* fieldBM, long nMinListWidth);
virtual ~SwFieldDialog() override;
virtual void dispose() override;
};
SwFieldDialog::SwFieldDialog(SwEditWin* parent, sw::mark::IFieldmark* fieldBM, long nMinListWidth)
: FloatingWindow(parent, WB_BORDER | WB_SYSTEMWINDOW)
, aListBox(VclPtr<ListBox>::Create(this))
, pFieldmark(fieldBM)
{
if (fieldBM != nullptr)
{
const sw::mark::IFieldmark::parameter_map_t* const pParameters = fieldBM->GetParameters();
OUString sListKey = ODF_FORMDROPDOWN_LISTENTRY;
sw::mark::IFieldmark::parameter_map_t::const_iterator pListEntries
= pParameters->find(sListKey);
css::uno::Sequence<OUString> vListEntries;
if (pListEntries != pParameters->end())
{
pListEntries->second >>= vListEntries;
for (OUString const& i : vListEntries)
aListBox->InsertEntry(i);
}
if (vListEntries.getLength() == 0)
{
aListBox->InsertEntry(SwResId(STR_DROP_DOWN_EMPTY_LIST));
}
// Select the current one
OUString sResultKey = ODF_FORMDROPDOWN_RESULT;
sw::mark::IFieldmark::parameter_map_t::const_iterator pResult
= pParameters->find(sResultKey);
if (pResult != pParameters->end())
{
sal_Int32 nSelection = -1;
pResult->second >>= nSelection;
aListBox->SelectEntryPos(nSelection);
}
}
Size lbSize(aListBox->GetOptimalSize());
lbSize.AdjustWidth(50);
lbSize.AdjustHeight(20);
lbSize.setWidth(std::max(lbSize.Width(), nMinListWidth));
aListBox->SetSizePixel(lbSize);
aListBox->SetSelectHdl(LINK(this, SwFieldDialog, MyListBoxHandler));
aListBox->Show();
SetSizePixel(lbSize);
}
SwFieldDialog::~SwFieldDialog() { disposeOnce(); }
void SwFieldDialog::dispose()
{
aListBox.disposeAndClear();
FloatingWindow::dispose();
}
IMPL_LINK(SwFieldDialog, MyListBoxHandler, ListBox&, rBox, void)
{
if (!rBox.IsTravelSelect())
{
OUString sSelection = rBox.GetSelectedEntry();
if (sSelection == SwResId(STR_DROP_DOWN_EMPTY_LIST))
{
EndPopupMode();
return;
}
sal_Int32 nSelection = rBox.GetSelectedEntryPos();
if (nSelection >= 0)
{
OUString sKey = ODF_FORMDROPDOWN_RESULT;
(*pFieldmark->GetParameters())[sKey] <<= nSelection;
pFieldmark->Invalidate();
SwView& rView = static_cast<SwEditWin*>(GetParent())->GetView();
rView.GetDocShell()->SetModified();
}
EndPopupMode();
}
}
DropDownFormFieldButton::DropDownFormFieldButton(SwEditWin* pEditWin,
sw::mark::DropDownFieldmark& rFieldmark)
: MenuButton(pEditWin, WB_DIALOGCONTROL)
, m_rFieldmark(rFieldmark)
{
assert(GetParent());
assert(dynamic_cast<SwEditWin*>(GetParent()));
}
DropDownFormFieldButton::~DropDownFormFieldButton() { disposeOnce(); }
void DropDownFormFieldButton::dispose()
{
m_pFieldPopup.disposeAndClear();
MenuButton::dispose();
}
void DropDownFormFieldButton::CalcPosAndSize(const SwRect& rPortionPaintArea)
{
assert(GetParent());
Point aBoxPos = GetParent()->LogicToPixel(rPortionPaintArea.Pos());
Size aBoxSize = GetParent()->LogicToPixel(rPortionPaintArea.SSize());
// First calculate the size of the frame around the field
int nPadding = aBoxSize.Height() / 4;
aBoxPos.AdjustX(-nPadding);
aBoxPos.AdjustY(-nPadding);
aBoxSize.AdjustWidth(2 * nPadding);
aBoxSize.AdjustHeight(2 * nPadding);
m_aFieldFramePixel = tools::Rectangle(aBoxPos, aBoxSize);
// Then extend the size with the button area
aBoxSize.AdjustWidth(GetParent()->LogicToPixel(rPortionPaintArea.SSize()).Height());
SetPosSizePixel(aBoxPos, aBoxSize);
}
void DropDownFormFieldButton::MouseButtonUp(const MouseEvent&)
{
assert(GetParent());
Point aPixPos = GetPosPixel();
aPixPos.AdjustY(GetSizePixel().Height());
m_pFieldPopup = VclPtr<SwFieldDialog>::Create(static_cast<SwEditWin*>(GetParent()),
&m_rFieldmark, GetSizePixel().Width());
m_pFieldPopup->SetPopupModeEndHdl(LINK(this, DropDownFormFieldButton, FieldPopupModeEndHdl));
tools::Rectangle aRect(GetParent()->OutputToScreenPixel(aPixPos), Size(0, 0));
m_pFieldPopup->StartPopupMode(aRect, FloatWinPopupFlags::Down | FloatWinPopupFlags::GrabFocus);
Invalidate();
}
IMPL_LINK_NOARG(DropDownFormFieldButton, FieldPopupModeEndHdl, FloatingWindow*, void)
{
m_pFieldPopup.disposeAndClear();
m_rFieldmark.Invalidate();
// Hide the button here and make it visible later, to make transparent background work with SAL_USE_VCLPLUGIN=gen
Show(false);
Invalidate();
}
static basegfx::BColor lcl_GetFillColor(const basegfx::BColor& rLineColor, double aLuminance)
{
basegfx::BColor aHslLine = basegfx::utils::rgb2hsl(rLineColor);
aHslLine.setZ(aLuminance);
return basegfx::utils::hsl2rgb(aHslLine);
}
void DropDownFormFieldButton::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
{
SetMapMode(MapMode(MapUnit::MapPixel));
//const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
Color aLineColor = COL_BLACK;
Color aFillColor
= Color(lcl_GetFillColor(aLineColor.getBColor(), (m_pFieldPopup ? 0.5 : 0.75)));
// Draw the frame around the field
// GTK3 backend cuts down the frame's top and left border, to avoid that add a padding around the frame
int nPadding = 1;
Point aPos(nPadding, nPadding);
Size aSize(m_aFieldFramePixel.GetSize().Width() - nPadding,
m_aFieldFramePixel.GetSize().Height() - 2 * nPadding);
const tools::Rectangle aFrameRect(tools::Rectangle(aPos, aSize));
rRenderContext.SetLineColor(aLineColor);
rRenderContext.SetFillColor(COL_TRANSPARENT);
rRenderContext.DrawRect(aFrameRect);
// Draw the button next to the frame
Point aButtonPos(aFrameRect.TopLeft());
aButtonPos.AdjustX(aFrameRect.GetSize().getWidth() - 1);
Size aButtonSize(aFrameRect.GetSize());
aButtonSize.setWidth(GetSizePixel().getWidth() - aFrameRect.getWidth() - nPadding);
const tools::Rectangle aButtonRect(tools::Rectangle(aButtonPos, aButtonSize));
// Background & border
rRenderContext.SetLineColor(aLineColor);
rRenderContext.SetFillColor(aFillColor);
rRenderContext.DrawRect(aButtonRect);
// the arrowhead
rRenderContext.SetLineColor(aLineColor);
rRenderContext.SetFillColor(aLineColor);
Point aCenter(aButtonPos.X() + (aButtonSize.Width() / 2),
aButtonPos.Y() + (aButtonSize.Height() / 2));
Size aArrowSize(aButtonSize.Width() / 4, aButtonSize.Height() / 10);
tools::Polygon aPoly(3);
aPoly.SetPoint(Point(aCenter.X() - aArrowSize.Width(), aCenter.Y() - aArrowSize.Height()), 0);
aPoly.SetPoint(Point(aCenter.X() + aArrowSize.Width(), aCenter.Y() - aArrowSize.Height()), 1);
aPoly.SetPoint(Point(aCenter.X(), aCenter.Y() + aArrowSize.Height()), 2);
rRenderContext.DrawPolygon(aPoly);
}
WindowHitTest DropDownFormFieldButton::ImplHitTest(const Point& rFramePos)
{
// We need to check whether the position hits the button (the frame should be mouse transparent)
WindowHitTest aResult = MenuButton::ImplHitTest(rFramePos);
if (aResult != WindowHitTest::Inside)
return aResult;
else
{
return rFramePos.X() >= m_aFieldFramePixel.Right() ? WindowHitTest::Inside
: WindowHitTest::Transparent;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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