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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 <edtwin.hxx>
#include <basegfx/color/bcolortools.hxx>
#include <bookmark.hxx>
#include <vcl/weldutils.hxx>
#include <vcl/event.hxx>
FormFieldButton::FormFieldButton(SwEditWin* pEditWin, sw::mark::Fieldmark& rFieldmark)
: Control(pEditWin, WB_DIALOGCONTROL)
, m_rFieldmark(rFieldmark)
{
assert(GetParent());
assert(dynamic_cast<SwEditWin*>(GetParent()));
SetBackground();
EnableChildTransparentMode();
SetParentClipMode(ParentClipMode::NoClip);
SetPaintTransparent(true);
}
FormFieldButton::~FormFieldButton() { disposeOnce(); }
void FormFieldButton::LaunchPopup()
{
m_xFieldPopup->connect_closed(LINK(this, DropDownFormFieldButton, FieldPopupModeEndHdl));
tools::Rectangle aRect(Point(0, 0), GetSizePixel());
weld::Window* pParent = weld::GetPopupParent(*this, aRect);
m_xFieldPopup->popup_at_rect(pParent, aRect);
}
void FormFieldButton::DestroyPopup()
{
m_xFieldPopup.reset();
m_xFieldPopupBuilder.reset();
}
void FormFieldButton::dispose()
{
DestroyPopup();
Control::dispose();
}
void FormFieldButton::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());
if (aBoxPos != GetPosPixel() || aBoxSize != GetSizePixel())
{
SetPosSizePixel(aBoxPos, aBoxSize);
Invalidate();
}
}
void FormFieldButton::MouseButtonDown(const MouseEvent&)
{
LaunchPopup();
Invalidate();
}
IMPL_LINK_NOARG(FormFieldButton, FieldPopupModeEndHdl, weld::Popover&, void)
{
DestroyPopup();
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 FormFieldButton::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
{
SetMapMode(MapMode(MapUnit::MapPixel));
//const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
Color aLineColor = COL_BLACK;
Color aFillColor(lcl_GetFillColor(aLineColor.getBColor(), (m_xFieldPopup ? 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() - 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 FormFieldButton::ImplHitTest(const Point& rFramePos)
{
// We need to check whether the position hits the button (the frame should be mouse transparent)
WindowHitTest aResult = Control::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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