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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/**
* @file llcombobox.h
* @brief LLComboBox base class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
// A control that displays the name of the chosen item, which when clicked
// shows a scrolling box of choices.
#ifndef LL_LLCOMBOBOX_H
#define LL_LLCOMBOBOX_H
#include "llbutton.h"
#include "lluictrl.h"
#include "llctrlselectioninterface.h"
#include "llrect.h"
#include "llscrolllistctrl.h"
#include "lllineeditor.h"
#include <boost/function.hpp>
// Classes
class LLFontGL;
class LLViewBorder;
extern S32 LLCOMBOBOX_HEIGHT;
extern S32 LLCOMBOBOX_WIDTH;
class LLComboBox
: public LLUICtrl, public LLCtrlListInterface
{
public:
typedef enum e_preferred_position
{
ABOVE,
BELOW
} EPreferredPosition;
struct PreferredPositionValues : public LLInitParam::TypeValuesHelper<EPreferredPosition, PreferredPositionValues>
{
static void declareValues();
};
struct ItemParams : public LLInitParam::Block<ItemParams, LLScrollListItem::Params>
{
Optional<std::string> label;
ItemParams();
};
struct Params
: public LLInitParam::Block<Params, LLUICtrl::Params>
{
Optional<bool> allow_text_entry,
show_text_as_tentative;
Optional<S32> max_chars;
Optional<commit_callback_t> prearrange_callback,
text_entry_callback,
selection_callback;
Optional<EPreferredPosition, PreferredPositionValues> list_position;
// components
Optional<LLButton::Params> combo_button;
Optional<LLScrollListCtrl::Params> combo_list;
Optional<LLLineEditor::Params> combo_editor;
Optional<LLButton::Params> drop_down_button;
Multiple<ItemParams> items;
Params();
};
virtual ~LLComboBox();
/*virtual*/ BOOL postBuild();
protected:
friend class LLUICtrlFactory;
LLComboBox(const Params&);
void initFromParams(const Params&);
void prearrangeList(std::string filter = "");
public:
// LLView interface
virtual void draw();
virtual void onFocusLost();
virtual void setEnabled(BOOL enabled);
virtual BOOL handleToolTip(S32 x, S32 y, std::string& msg, LLRect* sticky_rect);
virtual BOOL handleKeyHere(KEY key, MASK mask);
virtual BOOL handleUnicodeCharHere(llwchar uni_char);
// LLUICtrl interface
virtual void clear(); // select nothing
virtual void onCommit();
virtual BOOL acceptsTextInput() const { return mAllowTextEntry; }
virtual BOOL isDirty() const; // Returns TRUE if the user has modified this control.
virtual void resetDirty(); // Clear dirty state
virtual void setFocus(BOOL b);
// Selects item by underlying LLSD value, using LLSD::asString() matching.
// For simple items, this is just the name of the label.
virtual void setValue(const LLSD& value );
// Gets underlying LLSD value for currently selected items. For simple
// items, this is just the label.
virtual LLSD getValue() const;
void setTextEntry(const LLStringExplicit& text);
LLScrollListItem* add(const std::string& name, EAddPosition pos = ADD_BOTTOM, BOOL enabled = TRUE); // add item "name" to menu
LLScrollListItem* add(const std::string& name, const LLUUID& id, EAddPosition pos = ADD_BOTTOM, BOOL enabled = TRUE);
LLScrollListItem* add(const std::string& name, void* userdata, EAddPosition pos = ADD_BOTTOM, BOOL enabled = TRUE);
LLScrollListItem* add(const std::string& name, LLSD value, EAddPosition pos = ADD_BOTTOM, BOOL enabled = TRUE);
LLScrollListItem* addSeparator(EAddPosition pos = ADD_BOTTOM);
BOOL remove( S32 index ); // remove item by index, return TRUE if found and removed
void removeall() { clearRows(); }
void sortByName(BOOL ascending = TRUE); // Sort the entries in the combobox by name
// Select current item by name using selectItemByLabel. Returns FALSE if not found.
BOOL setSimple(const LLStringExplicit& name);
// Get name of current item. Returns an empty string if not found.
const std::string getSimple() const;
// Get contents of column x of selected row
const std::string getSelectedItemLabel(S32 column = 0) const;
// Sets the label, which doesn't have to exist in the label.
// This is probably a UI abuse.
void setLabel(const LLStringExplicit& name);
BOOL remove(const std::string& name); // remove item "name", return TRUE if found and removed
BOOL setCurrentByIndex( S32 index );
S32 getCurrentIndex() const;
void createLineEditor(const Params&);
//========================================================================
LLCtrlSelectionInterface* getSelectionInterface() { return (LLCtrlSelectionInterface*)this; };
LLCtrlListInterface* getListInterface() { return (LLCtrlListInterface*)this; };
// LLCtrlListInterface functions
// See llscrolllistctrl.h
virtual S32 getItemCount() const;
// Overwrites the default column (See LLScrollListCtrl for format)
virtual void addColumn(const LLSD& column, EAddPosition pos = ADD_BOTTOM);
virtual void clearColumns();
virtual void setColumnLabel(const std::string& column, const std::string& label);
virtual LLScrollListItem* addElement(const LLSD& value, EAddPosition pos = ADD_BOTTOM, void* userdata = NULL);
virtual LLScrollListItem* addSimpleElement(const std::string& value, EAddPosition pos = ADD_BOTTOM, const LLSD& id = LLSD());
virtual void clearRows();
virtual void sortByColumn(const std::string& name, BOOL ascending);
// LLCtrlSelectionInterface functions
virtual BOOL getCanSelect() const { return TRUE; }
virtual BOOL selectFirstItem() { return setCurrentByIndex(0); }
virtual BOOL selectNthItem( S32 index ) { return setCurrentByIndex(index); }
virtual BOOL selectItemRange( S32 first, S32 last );
virtual S32 getFirstSelectedIndex() const { return getCurrentIndex(); }
virtual BOOL setCurrentByID( const LLUUID& id );
virtual LLUUID getCurrentID() const; // LLUUID::null if no items in menu
virtual BOOL setSelectedByValue(const LLSD& value, BOOL selected);
virtual LLSD getSelectedValue();
virtual BOOL isSelected(const LLSD& value) const;
virtual BOOL operateOnSelection(EOperation op);
virtual BOOL operateOnAll(EOperation op);
//========================================================================
void* getCurrentUserdata();
void setPrearrangeCallback( commit_callback_t cb ) { mPrearrangeCallback = cb; }
void setTextEntryCallback( commit_callback_t cb ) { mTextEntryCallback = cb; }
void setSelectionCallback( commit_callback_t cb ) { mSelectionCallback = cb; }
void setButtonVisible(BOOL visible);
void onButtonDown();
void onItemSelected(const LLSD& data);
void onTextCommit(const LLSD& data);
void updateSelection();
virtual void showList();
virtual void hideList();
virtual void onTextEntry(LLLineEditor* line_editor);
protected:
LLButton* mButton;
LLLineEditor* mTextEntry;
LLScrollListCtrl* mList;
EPreferredPosition mListPosition;
LLPointer<LLUIImage> mArrowImage;
LLUIString mLabel;
BOOL mHasAutocompletedText;
private:
BOOL mAllowTextEntry;
S32 mMaxChars;
BOOL mTextEntryTentative;
commit_callback_t mPrearrangeCallback;
commit_callback_t mTextEntryCallback;
commit_callback_t mSelectionCallback;
S32 mLastSelectedIndex;
};
#endif
|
