-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTextProgressCtrl.cpp
More file actions
338 lines (276 loc) · 8.85 KB
/
Copy pathTextProgressCtrl.cpp
File metadata and controls
338 lines (276 loc) · 8.85 KB
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
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
//ÒÔÏÂÊÇCPPÎļþ
// TextProgressCtrl.cpp : implementation file
//
// Written by Chris Maunder ([email protected])
// Copyright 1998.
//
// Modified : 26/05/98 Jeremy Davis, [email protected]
// Added colour routines
//
// TextProgressCtrl is a drop-in replacement for the standard
// CProgressCtrl that displays text in a progress control.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed by any means PROVIDING it is not sold for
// profit without the authors written consent, and providing that this
// notice and the authors name is included. If the source code in
// this file is used in any commercial application then an email to
// the me would be nice.
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability if it causes any damage to your
// computer, causes your pet cat to fall ill, increases baldness or
// makes you car start emitting strange noises when you start it up.
//
// Expect bugs.
//
// Please use and enjoy. Please let me know of any bugs/mods/improvements
// that you have found/implemented and I will fix/incorporate them into this
// file.
//#include "stdafx.h"
#include "TextProgressCtrl.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#ifndef _MEMDC_H_
//////////////////////////////////////////////////
// CMemDC - memory DC
//
// Author: Keith Rule
// Email: [email protected]
// Copyright 1996-1997, Keith Rule
//
// You may freely use or modify this code provided this
// Copyright is included in all derived versions.
//
// History - 10/3/97 Fixed scrolling bug.
// Added print support.
//
// This class implements a memory Device Context
class CMyMemDC : public CDC
{
public:
// constructor sets up the memory DC
CMyMemDC(CDC* pDC) : CDC()
{
ASSERT(pDC != NULL);
m_pDC = pDC;
m_pOldBitmap = NULL;
m_bMemDC = !pDC->IsPrinting();
if (m_bMemDC) // Create a Memory DC
{
pDC->GetClipBox(&m_rect);
CreateCompatibleDC(pDC);
m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
m_pOldBitmap = SelectObject(&m_bitmap);
SetWindowOrg(m_rect.left, m_rect.top);
}
else // Make a copy of the relevent parts of the current DC for printing
{
m_bPrinting = pDC->m_bPrinting;
m_hDC = pDC->m_hDC;
m_hAttribDC = pDC->m_hAttribDC;
}
}
// Destructor copies the contents of the mem DC to the original DC
~CMyMemDC()
{
if (m_bMemDC)
{
// Copy the offscreen bitmap onto the screen.
m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
this, m_rect.left, m_rect.top, SRCCOPY);
//Swap back the original bitmap.
SelectObject(m_pOldBitmap);
} else {
// All we need to do is replace the DC with an illegal value,
// this keeps us from accidently deleting the handles associated with
// the CDC that was passed to the constructor.
m_hDC = m_hAttribDC = NULL;
}
}
// Allow usage as a pointer
CMyMemDC* operator->() {return this;}
// Allow usage as a pointer
operator CMyMemDC*() {return this;}
private:
CBitmap m_bitmap; // Offscreen bitmap
CBitmap* m_pOldBitmap; // bitmap originally found in CMemDC
CDC* m_pDC; // Saves CDC passed in constructor
CRect m_rect; // Rectangle of drawing area.
BOOL m_bMemDC; // TRUE if CDC really is a Memory DC.
};
#endif
/////////////////////////////////////////////////////////////////////////////
// CTextProgressCtrl
CTextProgressCtrl::CTextProgressCtrl()
{
m_nPos = 0;
m_nStepSize = 1;
m_nMax = 100;
m_nMin = 0;
m_bShowText = TRUE;
m_strText.Empty();
m_colFore = ::GetSysColor(COLOR_HIGHLIGHT);
m_colBk = ::GetSysColor(COLOR_BTNFACE);
m_colTextFore = ::GetSysColor(COLOR_HIGHLIGHT);
m_colTextBk = ::GetSysColor(COLOR_WINDOW);
m_nBarWidth = -1;
}
CTextProgressCtrl::~CTextProgressCtrl()
{
}
BEGIN_MESSAGE_MAP(CTextProgressCtrl, CProgressCtrl)
//{{AFX_MSG_MAP(CTextProgressCtrl)
ON_WM_ERASEBKGND()
ON_WM_PAINT()
ON_WM_SIZE()
//}}AFX_MSG_MAP
ON_MESSAGE(WM_SETTEXT, OnSetText)
ON_MESSAGE(WM_GETTEXT, OnGetText)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTextProgressCtrl message handlers
LRESULT CTextProgressCtrl::OnSetText(WPARAM wParam,LPARAM lParam)
{
LRESULT result = Default();
LPTSTR szText = (LPTSTR)lParam;
if ( (!szText && m_strText.GetLength()) ||
(szText && (m_strText != szText)) )
{
m_strText = szText;
Invalidate();
}
return result;
}
LRESULT CTextProgressCtrl::OnGetText(WPARAM wParam,LPARAM lParam)
{
LPTSTR szText = (LPTSTR)lParam;
UINT cchTextMax = (UINT)wParam;
if (!_tcsncpy(szText, m_strText, cchTextMax))
return 0;
else
return min(cchTextMax, (UINT) m_strText.GetLength());
}
BOOL CTextProgressCtrl::OnEraseBkgnd(CDC* /*pDC*/)
{
return TRUE;
}
void CTextProgressCtrl::OnSize(UINT nType, int cx, int cy)
{
CProgressCtrl::OnSize(nType, cx, cy);
m_nBarWidth = -1; // Force update if SetPos called
}
void CTextProgressCtrl::OnPaint()
{
if (m_nMin >= m_nMax)
return;
CRect LeftRect, RightRect, ClientRect;
GetClientRect(ClientRect);
double Fraction = (double)(m_nPos - m_nMin) / ((double)(m_nMax - m_nMin));
CPaintDC PaintDC(this); // device context for painting
CMyMemDC dc(&PaintDC);
//CPaintDC dc(this); // device context for painting (if not double buffering)
LeftRect = RightRect = ClientRect;
LeftRect.right = LeftRect.left + (int)((LeftRect.right - LeftRect.left)*Fraction);
dc.FillSolidRect(LeftRect, m_colFore);
RightRect.left = LeftRect.right;
dc.FillSolidRect(RightRect, m_colBk);
if (m_bShowText)
{
CString str;
if (m_strText.GetLength())
str = m_strText;
else
str.Format(_T("%d%%"), (int)(Fraction*100.0));
dc.SetBkMode(TRANSPARENT);
CRgn rgn;
rgn.CreateRectRgn(LeftRect.left, LeftRect.top, LeftRect.right, LeftRect.bottom);
dc.SelectClipRgn(&rgn);
dc.SetTextColor(m_colTextBk);
dc.DrawText(str, ClientRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
rgn.DeleteObject();
rgn.CreateRectRgn(RightRect.left, RightRect.top, RightRect.right, RightRect.bottom);
dc.SelectClipRgn(&rgn);
dc.SetTextColor(m_colTextFore);
dc.DrawText(str, ClientRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
}
void CTextProgressCtrl::SetForeColour(COLORREF col)
{
m_colFore = col;
}
void CTextProgressCtrl::SetBkColour(COLORREF col)
{
m_colBk = col;
}
void CTextProgressCtrl::SetTextForeColour(COLORREF col)
{
m_colTextFore = col;
}
void CTextProgressCtrl::SetTextBkColour(COLORREF col)
{
m_colTextBk = col;
}
COLORREF CTextProgressCtrl::GetForeColour()
{
return m_colFore;
}
COLORREF CTextProgressCtrl::GetBkColour()
{
return m_colBk;
}
COLORREF CTextProgressCtrl::GetTextForeColour()
{
return m_colTextFore;
}
COLORREF CTextProgressCtrl::GetTextBkColour()
{
return m_colTextBk;
}
/////////////////////////////////////////////////////////////////////////////
// CTextProgressCtrl message handlers
void CTextProgressCtrl::SetShowText(BOOL bShow)
{
if (::IsWindow(m_hWnd) && m_bShowText != bShow)
Invalidate();
m_bShowText = bShow;
}
void CTextProgressCtrl::SetRange(int nLower, int nUpper)
{
m_nMax = nUpper;
m_nMin = nLower;
}
int CTextProgressCtrl::SetPos(int nPos)
{
if (!::IsWindow(m_hWnd))
return -1;
int nOldPos = m_nPos;
m_nPos = nPos;
CRect rect;
GetClientRect(rect);
double Fraction = (double)(m_nPos - m_nMin) / ((double)(m_nMax - m_nMin));
int nBarWidth = (int) (Fraction * rect.Width());
if (nBarWidth != m_nBarWidth)
{
m_nBarWidth = nBarWidth;
RedrawWindow();
}
return nOldPos;
}
int CTextProgressCtrl::StepIt()
{
return SetPos(m_nPos + m_nStepSize);
}
int CTextProgressCtrl::OffsetPos(int nPos)
{
return SetPos(m_nPos + nPos);
}
int CTextProgressCtrl::SetStep(int nStep)
{
int nOldStep = nStep;
m_nStepSize = nStep;
return nOldStep;
}