1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2010-2012 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Mirco Müller <mirco.mueller@canonical.com>
* Marco Trevisan <marco.trevisan@canonical.com>
*/
#include "unity-shared/CairoTexture.h"
#include "unity-shared/RawPixel.h"
#include "QuicklistMenuItemSeparator.h"
namespace unity
{
namespace
{
const RawPixel WIDTH = 64_em;
const RawPixel HEIGHT = 7_em;
}
QuicklistMenuItemSeparator::QuicklistMenuItemSeparator(glib::Object<DbusmenuMenuitem> const& item, NUX_FILE_LINE_DECL)
: QuicklistMenuItem(QuicklistMenuItemType::SEPARATOR, item, NUX_FILE_LINE_PARAM)
, _color(1.0f, 1.0f, 1.0f, 0.5f)
, _premultiplied_color(0.5f, 0.5f, 0.5f, 0.5f)
{
SetMinimumWidth(WIDTH.CP(_scale));
SetMinimumHeight(HEIGHT.CP(_scale));
}
std::string QuicklistMenuItemSeparator::GetName() const
{
return "QuicklistMenuItemSeparator";
}
bool QuicklistMenuItemSeparator::GetSelectable()
{
return false;
}
void QuicklistMenuItemSeparator::SetScale(double scale)
{
QuicklistMenuItem::SetScale(scale);
SetMinimumWidth(WIDTH.CP(scale));
SetMinimumHeight(HEIGHT.CP(scale));
}
void QuicklistMenuItemSeparator::Draw(nux::GraphicsEngine& gfxContext, bool forceDraw)
{
// Check if the texture have been computed. If they haven't, exit the function.
if (!_normalTexture[0])
return;
nux::Geometry const& base = GetGeometry();
gfxContext.PushClippingRectangle(base);
nux::TexCoordXForm texxform;
texxform.SetWrap(nux::TEXWRAP_REPEAT, nux::TEXWRAP_REPEAT);
texxform.SetTexCoordType(nux::TexCoordXForm::OFFSET_COORD);
gfxContext.GetRenderStates().SetBlend(true);
gfxContext.GetRenderStates().SetPremultipliedBlend(nux::SRC_OVER);
auto const& texture = _normalTexture[0]->GetDeviceTexture();
gfxContext.QRP_1Tex(base.x, base.y, base.width, base.height, texture, texxform, _premultiplied_color);
gfxContext.GetRenderStates().SetBlend(false);
gfxContext.PopClippingRectangle();
}
void QuicklistMenuItemSeparator::UpdateTexture(nux::CairoGraphics& cairoGraphics, double width, double height)
{
cairo_t* cr = cairoGraphics.GetInternalContext();
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(cr, 0.0f, 0.0f, 0.0f, 0.0f);
cairo_paint(cr);
cairo_set_source_rgba(cr, _color.red, _color.green, _color.blue, _color.alpha);
cairo_set_line_width(cr, 1.0f);
cairo_move_to(cr, 0.0f, height/2.0f);
cairo_line_to(cr, width, height/2.0f);
cairo_stroke(cr);
_normalTexture[0].Adopt(texture_from_cairo_graphics(cairoGraphics));
}
}
|