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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebPopupMenu.h"
#include "PlatformPopupMenuData.h"
#include <WebCore/Font.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/LengthFunctions.h>
#include <WebCore/TextRun.h>
#include <WebCore/PopupMenuClient.h>
#include <WebCore/PopupMenuStyle.h>
#include <WebCore/RenderTheme.h>
using namespace WebCore;
namespace WebKit {
static const int separatorPadding = 4;
static const int separatorHeight = 1;
static const int popupWindowBorderWidth = 1;
void WebPopupMenu::setUpPlatformData(const WebCore::IntRect& pageCoordinates, PlatformPopupMenuData& data)
{
int itemCount = m_popupClient->listSize();
data.m_clientPaddingLeft = m_popupClient->clientPaddingLeft();
data.m_clientPaddingRight = m_popupClient->clientPaddingRight();
data.m_clientInsetLeft = m_popupClient->clientInsetLeft();
data.m_clientInsetRight = m_popupClient->clientInsetRight();
data.m_itemHeight = m_popupClient->menuStyle().font().fontMetrics().height() + 1;
int popupWidth = 0;
for (size_t i = 0; i < itemCount; ++i) {
String text = m_popupClient->itemText(i);
if (text.isEmpty())
continue;
Font itemFont = m_popupClient->menuStyle().font();
if (m_popupClient->itemIsLabel(i)) {
FontDescription d = itemFont.fontDescription();
d.setWeight(d.bolderWeight());
itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
itemFont.update(m_popupClient->fontSelector());
}
popupWidth = std::max<float>(popupWidth, ceilf(itemFont.width(TextRun(text.characters(), text.length()))));
}
// FIXME: popupWidth should probably take into account monitor constraints as is done with WebPopupMenuProxyWin::calculatePositionAndSize.
popupWidth += max(0, data.m_clientPaddingRight - data.m_clientInsetRight) + max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft);
popupWidth += 2 * popupWindowBorderWidth;
data.m_popupWidth = popupWidth;
// The backing stores should be drawn at least as wide as the control on the page to match the width of the popup window we'll create.
int backingStoreWidth = max(pageCoordinates.width() - m_popupClient->clientInsetLeft() - m_popupClient->clientInsetRight(), popupWidth);
IntSize backingStoreSize(backingStoreWidth, (itemCount * data.m_itemHeight));
data.m_notSelectedBackingStore = ShareableBitmap::createShareable(backingStoreSize, ShareableBitmap::SupportsAlpha);
data.m_selectedBackingStore = ShareableBitmap::createShareable(backingStoreSize, ShareableBitmap::SupportsAlpha);
OwnPtr<GraphicsContext> notSelectedBackingStoreContext = data.m_notSelectedBackingStore->createGraphicsContext();
OwnPtr<GraphicsContext> selectedBackingStoreContext = data.m_selectedBackingStore->createGraphicsContext();
Color activeOptionBackgroundColor = RenderTheme::defaultTheme()->activeListBoxSelectionBackgroundColor();
Color activeOptionTextColor = RenderTheme::defaultTheme()->activeListBoxSelectionForegroundColor();
for (int y = 0; y < backingStoreSize.height(); y += data.m_itemHeight) {
int index = y / data.m_itemHeight;
PopupMenuStyle itemStyle = m_popupClient->itemStyle(index);
Color optionBackgroundColor = itemStyle.backgroundColor();
Color optionTextColor = itemStyle.foregroundColor();
IntRect itemRect(0, y, backingStoreWidth, data.m_itemHeight);
// Draw the background for this menu item
if (itemStyle.isVisible()) {
notSelectedBackingStoreContext->fillRect(itemRect, optionBackgroundColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->fillRect(itemRect, activeOptionBackgroundColor, ColorSpaceDeviceRGB);
}
if (m_popupClient->itemIsSeparator(index)) {
IntRect separatorRect(itemRect.x() + separatorPadding, itemRect.y() + (itemRect.height() - separatorHeight) / 2, itemRect.width() - 2 * separatorPadding, separatorHeight);
notSelectedBackingStoreContext->fillRect(separatorRect, optionTextColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->fillRect(separatorRect, activeOptionTextColor, ColorSpaceDeviceRGB);
continue;
}
String itemText = m_popupClient->itemText(index);
// FIXME: defaultWritingDirection should return a TextDirection not a Unicode::Direction.
TextDirection direction = itemText.defaultWritingDirection() == WTF::Unicode::RightToLeft ? RTL : LTR;
TextRun textRun(itemText, 0, 0, TextRun::AllowTrailingExpansion, direction);
notSelectedBackingStoreContext->setFillColor(optionTextColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->setFillColor(activeOptionTextColor, ColorSpaceDeviceRGB);
Font itemFont = m_popupClient->menuStyle().font();
if (m_popupClient->itemIsLabel(index)) {
FontDescription d = itemFont.fontDescription();
d.setWeight(d.bolderWeight());
itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
itemFont.update(m_popupClient->fontSelector());
}
// Draw the item text
if (itemStyle.isVisible()) {
int textX = std::max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft);
if (RenderTheme::defaultTheme()->popupOptionSupportsTextIndent() && itemStyle.textDirection() == LTR)
textX += minimumIntValueForLength(itemStyle.textIndent(), itemRect.width());
int textY = itemRect.y() + itemFont.fontMetrics().ascent() + (itemRect.height() - itemFont.fontMetrics().height()) / 2;
notSelectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY));
selectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY));
}
}
}
} // namespace WebKit
|
