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
|
/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/combobox.h
// Purpose: wxComboBox class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_COMBOBOX_H_
#define _WX_COMBOBOX_H_
#include "wx/choice.h"
#include "wx/textentry.h"
#if wxUSE_COMBOBOX
// ----------------------------------------------------------------------------
// Combobox control
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxComboBox : public wxChoice,
public wxTextEntry
{
public:
wxComboBox() { Init(); }
wxComboBox(wxWindow *parent, wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
int n = 0, const wxString choices[] = NULL,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxASCII_STR(wxComboBoxNameStr))
{
Init();
Create(parent, id, value, pos, size, n, choices, style, validator, name);
}
wxComboBox(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxASCII_STR(wxComboBoxNameStr))
{
Init();
Create(parent, id, value, pos, size, choices, style, validator, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value = wxEmptyString,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
int n = 0,
const wxString choices[] = NULL,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxASCII_STR(wxComboBoxNameStr));
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
const wxArrayString& choices,
long style = 0,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxASCII_STR(wxComboBoxNameStr));
// See wxComboBoxBase discussion of IsEmpty().
bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
// resolve ambiguities among virtual functions inherited from both base
// classes
virtual void Clear() wxOVERRIDE;
virtual wxString GetValue() const wxOVERRIDE;
virtual void SetValue(const wxString& value) wxOVERRIDE;
virtual wxString GetStringSelection() const wxOVERRIDE
{ return wxChoice::GetStringSelection(); }
virtual void Popup() { MSWDoPopupOrDismiss(true); }
virtual void Dismiss() { MSWDoPopupOrDismiss(false); }
virtual void SetSelection(int n) wxOVERRIDE { wxChoice::SetSelection(n); }
virtual void SetSelection(long from, long to) wxOVERRIDE
{ wxTextEntry::SetSelection(from, to); }
virtual int GetSelection() const wxOVERRIDE { return wxChoice::GetSelection(); }
virtual bool ContainsHWND(WXHWND hWnd) const wxOVERRIDE;
virtual void GetSelection(long *from, long *to) const wxOVERRIDE;
virtual bool IsEditable() const wxOVERRIDE;
// implementation only from now on
virtual bool MSWCommand(WXUINT param, WXWORD id) wxOVERRIDE;
bool MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam);
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) wxOVERRIDE;
bool MSWShouldPreProcessMessage(WXMSG *pMsg) wxOVERRIDE;
// Standard event handling
void OnCut(wxCommandEvent& event);
void OnCopy(wxCommandEvent& event);
void OnPaste(wxCommandEvent& event);
void OnUndo(wxCommandEvent& event);
void OnRedo(wxCommandEvent& event);
void OnDelete(wxCommandEvent& event);
void OnSelectAll(wxCommandEvent& event);
void OnUpdateCut(wxUpdateUIEvent& event);
void OnUpdateCopy(wxUpdateUIEvent& event);
void OnUpdatePaste(wxUpdateUIEvent& event);
void OnUpdateUndo(wxUpdateUIEvent& event);
void OnUpdateRedo(wxUpdateUIEvent& event);
void OnUpdateDelete(wxUpdateUIEvent& event);
void OnUpdateSelectAll(wxUpdateUIEvent& event);
virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const wxOVERRIDE;
#if wxUSE_UXTHEME
// override wxTextEntry method to work around Windows bug
virtual bool SetHint(const wxString& hint) wxOVERRIDE;
#endif // wxUSE_UXTHEME
virtual void SetLayoutDirection(wxLayoutDirection dir) wxOVERRIDE;
virtual const wxTextEntry* WXGetTextEntry() const wxOVERRIDE { return this; }
protected:
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip(wxToolTip *tip) wxOVERRIDE;
#endif
virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const wxOVERRIDE;
// Override this one to avoid eating events from our popup listbox.
virtual wxWindow *MSWFindItem(long id, WXHWND hWnd) const wxOVERRIDE;
// this is the implementation of GetEditHWND() which can also be used when
// we don't have the edit control, it simply returns NULL then
//
// try not to use this function unless absolutely necessary (as in the
// message handling code where the edit control might not be created yet
// for the messages we receive during the control creation) as normally
// just testing for IsEditable() and using GetEditHWND() should be enough
WXHWND GetEditHWNDIfAvailable() const;
virtual void EnableTextChangedEvents(bool enable) wxOVERRIDE
{
m_allowTextEvents = enable;
}
#if wxABI_VERSION >= 30202
// Recreate the native control entirely while preserving its initial
// contents and attributes: this is useful if the height of the items must
// be changed as the native control doesn't seem to support doing this once
// it had been already determined.
void MSWRecreate();
#endif // wxABI_VERSION >= 3.2.2
private:
// there are the overridden wxTextEntry methods which should only be called
// when we do have an edit control so they assert if this is not the case
virtual wxWindow *GetEditableWindow() wxOVERRIDE;
virtual WXHWND GetEditHWND() const wxOVERRIDE;
// Common part of MSWProcessEditMsg() and MSWProcessSpecialKey(), return
// true if the key was processed.
bool MSWProcessEditSpecialKey(WXWPARAM vkey);
#if wxUSE_OLE
virtual void MSWProcessSpecialKey(wxKeyEvent& event) wxOVERRIDE;
#endif // wxUSE_OLE
// common part of all ctors
void Init()
{
m_allowTextEvents = true;
}
// normally true, false if text events are currently disabled
bool m_allowTextEvents;
wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox);
wxDECLARE_EVENT_TABLE();
};
#endif // wxUSE_COMBOBOX
#endif // _WX_COMBOBOX_H_
|
