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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsFormControlFrame_h___
#define nsFormControlFrame_h___
#include "mozilla/Attributes.h"
#include "nsIFormControlFrame.h"
#include "nsAtomicContainerFrame.h"
#include "nsDisplayList.h"
/**
* nsFormControlFrame is the base class for radio buttons and
* checkboxes. It also has two static methods (RegUnRegAccessKey and
* GetScreenHeight) that are used by other form controls.
*/
class nsFormControlFrame : public nsAtomicContainerFrame,
public nsIFormControlFrame
{
public:
/**
* Main constructor
* @param aContent the content representing this frame
* @param aParentFrame the parent frame
*/
explicit nsFormControlFrame(nsStyleContext*);
virtual nsIAtom* GetType() const override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsAtomicContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
NS_DECL_QUERYFRAME
NS_DECL_ABSTRACT_FRAME(nsFormControlFrame)
// nsIFrame replacements
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override {
DO_GLOBAL_REFLOW_COUNT_DSP("nsFormControlFrame");
DisplayBorderBackgroundOutline(aBuilder, aLists);
}
/**
* Both GetMinISize and GetPrefISize will return whatever GetIntrinsicISize
* returns.
*/
virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
/**
* Our auto size is just intrinsic width and intrinsic height.
*/
virtual mozilla::LogicalSize
ComputeAutoSize(nsRenderingContext* aRenderingContext,
mozilla::WritingMode aWM,
const mozilla::LogicalSize& aCBSize,
nscoord aAvailableISize,
const mozilla::LogicalSize& aMargin,
const mozilla::LogicalSize& aBorder,
const mozilla::LogicalSize& aPadding,
ComputeSizeFlags aFlags) override;
/**
* Respond to a gui event
* @see nsIFrame::HandleEvent
*/
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode)
const override;
/**
* Respond to the request to resize and/or reflow
* @see nsIFrame::Reflow
*/
virtual void Reflow(nsPresContext* aCX,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
// new behavior
virtual void SetFocus(bool aOn = true, bool aRepaint = false) override;
// nsIFormControlFrame
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
// AccessKey Helper function
static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg);
/**
* Returns the usable screen rect in app units, eg the rect where we can
* draw dropdowns.
*/
static nsRect GetUsableScreenRect(nsPresContext* aPresContext);
protected:
virtual ~nsFormControlFrame();
nscoord GetIntrinsicISize();
nscoord GetIntrinsicBSize();
//
//-------------------------------------------------------------------------------------
// Utility methods for managing checkboxes and radiobuttons
//-------------------------------------------------------------------------------------
//
/**
* Get the state of the checked attribute.
* @param aState set to true if the checked attribute is set,
* false if the checked attribute has been removed
*/
void GetCurrentCheckState(bool* aState);
};
#endif
|
