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
|
// SizingDialog.h: interface for the CSizingDialog class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_SIZINGDIALOG_H__5C154C94_9FEF_11D3_82D8_0020182B97FC__INCLUDED_)
#define AFX_SIZINGDIALOG_H__5C154C94_9FEF_11D3_82D8_0020182B97FC__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
//#define SD_TOP 0x00000001
#define SD_HORZ 0x00000002
//#define SD_LEFT 0x00000010
#define SD_VERT 0x00000020
#define SD_MOVING 0x00010000
#define SD_SIZING 0x00020000
#define RECT_WIPE(rc) (rc.left = rc.top = rc.right = rc.bottom = 0)
#define IS_RECT_EMPTY(rc) ((rc.left == 0) && (rc.top == 0) && (rc.right == 0) && (rc.bottom == 0))
#define POINT_WIPE(pt) (pt.x = pt.y = 0)
#define IS_POINT_EMPTY(pt) ((pt.x == 0) && (pt.y == 0))
template<class T>
class CSizingDialog
{
public:
CSizingDialog()
{ POINT_WIPE(m_ptMin); }
bool SetMin(UINT nID);
bool SetMin(LPPOINT pt);
bool SetControlSizing(UINT nID, DWORD dwLocation);
BEGIN_MSG_MAP(CSizingDialog<T>)
MESSAGE_HANDLER(WM_SIZE, OnSize)
MESSAGE_HANDLER(WM_GETMINMAXINFO, OnGetMinMaxInfo)
END_MSG_MAP()
protected:
// LRESULT OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnGetMinMaxInfo(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
struct POS_DATA
{
DWORD dwLocation;
UINT nID;
RECT rcOffsets;
};
typedef vector<POS_DATA> pos_array;
pos_array m_aPositions;
POINT m_ptMin;
};
template <class T>
bool CSizingDialog<T>::SetMin(LPPOINT pt)
{
m_ptMin.x = pt.x;
m_ptMin.y = pt.y;
return true;
}
template <class T>
bool CSizingDialog<T>::SetControlSizing(UINT nID, DWORD dwLocation)
{
T* pThis = (T*)this;
ASSERT(dwLocation);
ASSERT(pThis->GetDlgItem(nID));
POS_DATA ps;
ps.dwLocation = dwLocation;
ps.nID = nID;
RECT rcDlg;
if(!pThis->GetClientRect(&rcDlg))
return false;
RECT rcCtl;
if(!::GetWindowRect(pThis->GetDlgItem(nID), &rcCtl))
return false;
if(!pThis->ScreenToClient(&rcCtl))
return false;
ps.rcOffsets.left = rcCtl.left - rcDlg.left;
ps.rcOffsets.top = rcCtl.top - rcDlg.top;
ps.rcOffsets.right = rcDlg.right - rcCtl.right;
ps.rcOffsets.bottom = rcDlg.bottom - rcCtl.bottom;
m_aPositions.push_back(ps);
return true;
}
template <class T>
bool CSizingDialog<T>::SetMin(UINT nID)
{
T* pThis = (T*)this;
ASSERT(pThis->GetDlgItem(nID));
RECT rcCtl;
if(!::GetWindowRect(pThis->GetDlgItem(nID), &rcCtl))
return false;
RECT rcDlg;
if(!pThis->GetWindowRect(&rcDlg))
return false;
m_ptMin.x = rcCtl.right - rcDlg.left;
m_ptMin.y = rcCtl.bottom - rcDlg.top;
return true;
}
template <class T>
LRESULT CSizingDialog<T>::OnGetMinMaxInfo(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
if(IS_POINT_EMPTY(m_ptMin))
return 0;
LPMINMAXINFO lpmmi = (LPMINMAXINFO) lParam; // address of structure
lpmmi->ptMinTrackSize = m_ptMin;
return 0;
}
template <class T>
LRESULT CSizingDialog<T>::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
T* pThis = (T*)this;
UINT nWidth = LOWORD(lParam); // width of client area
UINT nHeight = HIWORD(lParam); // height of client area
for(pos_array::iterator iter = m_aPositions.begin(); iter != m_aPositions.end(); iter++)
{
RECT rc;
if(!::GetWindowRect(pThis->GetDlgItem(iter->nID), &rc))
continue;
if(!pThis->ScreenToClient(&rc))
continue;
if(iter->dwLocation & SD_MOVING)
{
::SetWindowPos(pThis->GetDlgItem(iter->nID), NULL,
(iter->dwLocation & SD_HORZ) ?
nWidth - iter->rcOffsets.right - rc.right + rc.left :
rc.left,
(iter->dwLocation & SD_VERT) ?
nHeight - iter->rcOffsets.bottom - rc.bottom + rc.top :
rc.top,
0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_DEFERERASE);
}
else if(iter->dwLocation & SD_SIZING)
{
::SetWindowPos(pThis->GetDlgItem(iter->nID), NULL, 0, 0,
(iter->dwLocation & SD_HORZ) ?
nWidth - iter->rcOffsets.right - rc.left :
rc.right - rc.left,
(iter->dwLocation & SD_VERT) ?
nHeight - iter->rcOffsets.bottom - rc.top :
rc.bottom - rc.top,
SWP_NOMOVE | SWP_NOZORDER | SWP_DEFERERASE);
}
}
return 0;
}
#endif // !defined(AFX_SIZINGDIALOG_H__5C154C94_9FEF_11D3_82D8_0020182B97FC__INCLUDED_)
|
