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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/views/input_window.h"
#include "chrome/browser/views/standard_layout.h"
#include "chrome/common/l10n_util.h"
#include "chrome/views/grid_layout.h"
#include "chrome/views/label.h"
#include "chrome/views/text_field.h"
#include "chrome/views/window.h"
#include "generated_resources.h"
// Width to make the text field, in pixels.
static const int kTextFieldWidth = 200;
// ContentView ----------------------------------------------------------------
// ContentView, as the name implies, is the content view for the InputWindow.
// It registers accelerators that accept/cancel the input.
class ContentView : public views::View,
public views::DialogDelegate,
public views::TextField::Controller {
public:
explicit ContentView(InputWindowDelegate* delegate)
: delegate_(delegate),
focus_grabber_factory_(this) {
DCHECK(delegate_);
}
// views::DialogDelegate overrides:
virtual bool IsDialogButtonEnabled(DialogButton button) const;
virtual bool Accept();
virtual bool Cancel();
virtual void WindowClosing();
virtual std::wstring GetWindowTitle() const;
virtual bool IsModal() const { return true; }
virtual views::View* GetContentsView();
// views::TextField::Controller overrides:
virtual void ContentsChanged(views::TextField* sender,
const std::wstring& new_contents);
virtual void HandleKeystroke(views::TextField*, UINT, TCHAR, UINT, UINT) {}
protected:
// views::View overrides:
virtual void ViewHierarchyChanged(bool is_add, views::View* parent,
views::View* child);
private:
// Set up dialog controls and layout.
void InitControlLayout();
// Sets focus to the first focusable element within the dialog.
void FocusFirstFocusableControl();
// The TextField that the user can type into.
views::TextField* text_field_;
// The delegate that the ContentView uses to communicate changes to the
// caller.
InputWindowDelegate* delegate_;
// Helps us set focus to the first TextField in the window.
ScopedRunnableMethodFactory<ContentView> focus_grabber_factory_;
DISALLOW_EVIL_CONSTRUCTORS(ContentView);
};
///////////////////////////////////////////////////////////////////////////////
// ContentView, views::DialogDelegate implementation:
bool ContentView::IsDialogButtonEnabled(DialogButton button) const {
if (button == DIALOGBUTTON_OK && !delegate_->IsValid(text_field_->GetText()))
return false;
return true;
}
bool ContentView::Accept() {
delegate_->InputAccepted(text_field_->GetText());
return true;
}
bool ContentView::Cancel() {
delegate_->InputCanceled();
return true;
}
void ContentView::WindowClosing() {
delegate_->WindowClosing();
}
std::wstring ContentView::GetWindowTitle() const {
return delegate_->GetWindowTitle();
}
views::View* ContentView::GetContentsView() {
return this;
}
///////////////////////////////////////////////////////////////////////////////
// ContentView, views::TextField::Controller implementation:
void ContentView::ContentsChanged(views::TextField* sender,
const std::wstring& new_contents) {
GetDialogClientView()->UpdateDialogButtons();
}
///////////////////////////////////////////////////////////////////////////////
// ContentView, protected:
void ContentView::ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) {
if (is_add && child == this)
InitControlLayout();
}
///////////////////////////////////////////////////////////////////////////////
// ContentView, private:
void ContentView::InitControlLayout() {
text_field_ = new views::TextField;
text_field_->SetText(delegate_->GetTextFieldContents());
text_field_->SetController(this);
using views::ColumnSet;
using views::GridLayout;
// TODO(sky): Vertical alignment should be baseline.
GridLayout* layout = CreatePanelGridLayout(this);
SetLayoutManager(layout);
ColumnSet* c1 = layout->AddColumnSet(0);
c1->AddColumn(GridLayout::CENTER, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
c1->AddPaddingColumn(0, kRelatedControlHorizontalSpacing);
c1->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
GridLayout::USE_PREF, kTextFieldWidth, kTextFieldWidth);
layout->StartRow(0, 0);
views::Label* label = new views::Label(delegate_->GetTextFieldLabel());
layout->AddView(label);
layout->AddView(text_field_);
MessageLoop::current()->PostTask(FROM_HERE,
focus_grabber_factory_.NewRunnableMethod(
&ContentView::FocusFirstFocusableControl));
}
void ContentView::FocusFirstFocusableControl() {
text_field_->SelectAll();
text_field_->RequestFocus();
}
views::Window* CreateInputWindow(HWND parent_hwnd,
InputWindowDelegate* delegate) {
views::Window* window =
views::Window::CreateChromeWindow(parent_hwnd, gfx::Rect(),
new ContentView(delegate));
window->client_view()->AsDialogClientView()->UpdateDialogButtons();
return window;
}
|
