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
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
|
//===============================================================
// vbtncmd.cpp - button Cmd - Windows
//
// Copyright (C) 1995-1998 Bruce E. Wampler
//
// This file is part of the V C++ GUI Framework, and is covered
// under the terms of the GNU Library General Public License,
// Version 2. This library has NO WARRANTY. See the source file
// vapp.cxx for more complete information about license terms.
//===============================================================
#include <v/vwin32.h> // for Win 32 stuff
#include <v/vbtncmd.h> // our definitions
#include <v/vcmdprnt.h> // a command parent
#include <v/vutil.h>
#include <v/vicon.h>
#include <v/vapp.h>
//====================>>> vButtonCmd::vButtonCmd <<<=======================
vButtonCmd::vButtonCmd(vCmdParent* dp, CommandObject* dc) :
vCmd(dp, dc)
{
initialize();
}
//====================>>> vButtonCmd::~vButtonCmd <<<=======================
vButtonCmd::~vButtonCmd()
{
SysDebug(Destructor,"vButtonCmd::~vButtonCmd() destructor\n")
}
//=====================>>> vButtonCmd::initialize <<<=======================
void vButtonCmd::initialize()
{
// build a button command for use in a parent window
SysDebug(Constructor,"vButtonCmd::vButtonCmd() constructor\n")
long style;
if (_parentWin->_dialogType != aCmdBar)
style = WS_TABSTOP | WS_GROUP; // default for a button
else
style = WS_GROUP;
CopyToLocal(); // Make local copies of CmdObject
if (!(dlgCmd->attrs & CA_Hidden)) // Check for Hidden
style |= WS_VISIBLE;
if ((dlgCmd->cmdType == C_IconButton || dlgCmd->cmdType == C_ToggleIconButton)
&& _itemList != 0) // icon
{
initIconButton(style); // Special init if icon
return;
}
if (dlgCmd->cmdType == C_ColorButton) // need owner draw if color
style |= BS_OWNERDRAW;
else if (dlgCmd->cmdType == C_ToggleButton) // need owner draw if toggle
style |= BS_OWNERDRAW;
else if ((dlgCmd->attrs & CA_DefaultButton)) // default button?
style |= BS_DEFPUSHBUTTON; // Only regular buttons can be default
else
style |= BS_PUSHBUTTON; // Plain old button
_w = vLblLen(_title)*4+10; // set my width
_h = 14; // default height
if ((dlgCmd->cmdType == C_Button || dlgCmd->cmdType == C_ToggleButton)
&& dlgCmd->size > 0) // size - width
{
int w = vLblLen(_title)*4+10;
if (w < dlgCmd->size)
{
_w = dlgCmd->size;
}
}
else if (dlgCmd->size > 0) // size - square (icons, color buttons)
{
_w = _h = dlgCmd->size;
}
_parentWin->SetPosition(_x, _y, _w, _h, dlgCmd->cFrame, dlgCmd->cRightOf,
dlgCmd->cBelow);
_CtrlOffset = _parentWin->AddDlgControl(_x, _y, _w, _h, _cmdId,
style, "BUTTON", _title, sizeof(vButtonCmd*), (LPBYTE)this);
}
//=====================>>> vButtonCmd::initIconButton <<<====================
void vButtonCmd::initIconButton(long style)
{
_ip = (vIcon *) _itemList; // to access bitmap
style |= BS_OWNERDRAW;
#ifdef OLD
_h = (_ip->height / 2) + 6;
#ifndef VWIN16
_w = (_ip->width / 2) + 8;
#else
_w = (_ip->width / 2) + 4;
#endif
#else
_h = (_ip->height / 2) + 5;
_w = (_ip->width / 2) + 5;
#endif
_parentWin->SetPosition(_x, _y, _w, _h, dlgCmd->cFrame,
dlgCmd->cRightOf, dlgCmd->cBelow);
_CtrlOffset = _parentWin->AddDlgControl(_x, _y , _w, _h, _cmdId,
style, "BUTTON", "", sizeof(vButtonCmd*), (LPBYTE)this);
}
//==================>>> vButtonCmd::GetCmdValue <<<=========================
int vButtonCmd::GetCmdValue(ItemVal id) VCONST
{
if (id != _cmdId)
return -1;
return _retVal;
}
//================>>> vButtonCmd::ResetItemValue <<<======================
void vButtonCmd::ResetItemValue(void)
{
// We have to toggle things
if (dlgCmd->cmdType != C_ToggleIconButton &&
dlgCmd->cmdType != C_ToggleButton)
return;
if (_retVal == _origVal) // No op if no change
return;
HWND myHwnd = GetMyHwnd(_cmdId);
_retVal = _origVal; // restore
::ShowWindow(myHwnd,SW_HIDE); // trick into
::ShowWindow(myHwnd,SW_SHOW); // repaint the window
// let parent window handle now
_parentWin->ProcessCmd(_cmdId, _retVal, dlgCmd->cmdType);
}
//================>>> vButtonCmd::SetCmdVal <<<============================
void vButtonCmd::SetCmdVal(ItemVal val, ItemSetType st)
{
SysDebug1(Misc,"vButtonCmd::SetCmdVal(val:%d)\n",val)
HWND myHwnd = GetMyHwnd(_cmdId);
if (st == Sensitive)
{
_Sensitive = val; // set
::EnableWindow(myHwnd, val);
}
else if (st == Hidden) // hide or unhide
{
if (val)
{
::ShowWindow(myHwnd,SW_HIDE);
}
else
{
::ShowWindow(myHwnd,SW_SHOW);
}
}
else if (st == Value || st == Checked)
{
_retVal = val; // set
::ShowWindow(myHwnd,SW_HIDE); // this tricks it into always
::ShowWindow(myHwnd,SW_SHOW); // repainting.
}
}
//================>>> vButtonCmd::SetCmdStr <<<============================
void vButtonCmd::SetCmdStr(VCONST char* str)
{
// Set the string value of button
SysDebug1(Misc,"vButtonCmd::SetCmdStr(str:%s)\n",str)
::SetDlgItemText(_parentWin->getParent(),_cmdId, str);
_title = str;
}
//================>>> vButtonCmd::MEASUREITEM <<<============================
int vButtonCmd::MEASUREITEM(int id, MEASUREITEMSTRUCT* mis)
{
mis->CtlType = ODT_BUTTON;
mis->CtlID = id;
mis->itemWidth = _w;
mis->itemHeight = _h;
return 1;
}
//================>>> vButtonCmd::DRAWITEM <<<============================
int vButtonCmd::DRAWITEM(int /* id */, DRAWITEMSTRUCT* dis)
{
HBITMAP hbm;
switch (dis->itemAction)
{
case ODA_DRAWENTIRE: // redraw entire control
{
DRAW_NORMAL:
if (dlgCmd->cmdType == C_IconButton ||
dlgCmd->cmdType == C_ToggleIconButton) //Draw the icon
{
POINT ptSize, ptOrg;
// Draw the button rectangle in LTGRAY with a BLACK border
HPEN oldpen = (HPEN) ::SelectObject(dis->hDC, ::GetStockObject(BLACK_PEN));
HBRUSH oldbrush = static_cast<HBRUSH>(::SelectObject(dis->hDC, theApp->_BarBrush));
(void)::Rectangle(dis->hDC,dis->rcItem.left, dis->rcItem.top,
dis->rcItem.right, dis->rcItem.bottom);
// Draw the shadows - WHITE left, top, GRAY right, bottom
if (dlgCmd->cmdType == C_IconButton)
::SelectObject(dis->hDC, theApp->_LightPen);
else if (_retVal == 0)
::SelectObject(dis->hDC, theApp->_LightPen);
else
::SelectObject(dis->hDC,theApp->_ShadowPen);
::MoveTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.top);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top);
::MoveTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom+1);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.top+1);
if (dlgCmd->cmdType == C_IconButton || _retVal == 0)
::SelectObject(dis->hDC,theApp->_ShadowPen);
else
::SelectObject(dis->hDC, theApp->_LightPen);
::MoveTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.bottom-1);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom-1);
::MoveTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.bottom-2);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom-2);
// Get color to draw icon - GRAY or BLACK
HBRUSH dbrush = 0;
if (dis->itemState & ODS_DISABLED)
{
// This stuff needed to be sure it shows
if (::GetSysColor(COLOR_BTNSHADOW) == ::GetSysColor(COLOR_BTNFACE))
{
::SelectObject(dis->hDC, ::GetStockObject(GRAY_BRUSH));
}
else
{
dbrush = ::CreateSolidBrush(::GetSysColor(COLOR_BTNSHADOW));
::SelectObject(dis->hDC, dbrush);
}
}
else
{
if (_ip->iType == Transparent)
{
// Prepare for BitBlt with raster operation of PSDPxax, i.e.
// paint with the brush where the color of the pixel on the
// destination bitmap is zero
dbrush = ::CreateSolidBrush(::GetSysColor(COLOR_BTNFACE));
::SelectObject(dis->hDC, dbrush);
}
else
{
::SelectObject(dis->hDC, ::GetStockObject(BLACK_BRUSH));
}
}
// Now setup coordinate to draw icon
HDC hdcMem = ::CreateCompatibleDC(dis->hDC);
::SetMapMode(hdcMem, GetMapMode(dis->hDC));
hbm = _ip->GetIconHBM(dis->hDC); // get icon HBITMAP
HBITMAP oldbm = static_cast<HBITMAP>(::SelectObject(hdcMem,hbm));
ptSize.x = _ip->width;
ptSize.y = _ip->height;
::DPtoLP(dis->hDC, &ptSize, 1);
ptOrg.x = 0;
ptOrg.y = 0;
::DPtoLP(hdcMem, &ptOrg, 1);
int l = (dis->rcItem.right - _ip->width) / 2;
int t = (dis->rcItem.bottom - _ip->height) / 2;
// Now BitBlt the icon BMP into the drawing canvas, leaving
// background untouched, and the pen color to draw 1 bits
// (that's what the E20746L does) for monochrome
if (_ip->depth == 1)
{
::SetBkColor(dis->hDC, RGB(255,255,255)); // white bg for icon
::BitBlt(dis->hDC, l, t, ptSize.x,
ptSize.y, hdcMem, ptOrg.x, ptOrg.y, 0xE20746L);
}
else
{
::BitBlt(dis->hDC, l, t, ptSize.x,
ptSize.y, hdcMem, ptOrg.x, ptOrg.y, SRCCOPY);
if (_ip->iType == Transparent)
{
// Now restore area from the button where the mask is zero
HDC hdcMemMask = ::CreateCompatibleDC( dis->hDC );
HBITMAP hmsk = static_cast<HBITMAP>(_ip->GetIconMask( dis->hDC)); // get icon mask HBITMAP
HBITMAP oldBM = static_cast<HBITMAP>(::SelectObject( hdcMemMask, hmsk ));
::BitBlt( dis->hDC, l, t, ptSize.x,
ptSize.y, hdcMemMask, ptOrg.x, ptOrg.y, 0xB8074A); //PSDPxax
::SelectObject( hdcMemMask, oldBM );
::DeleteDC( hdcMemMask );
}
}
::SelectObject(hdcMem,oldbm);
::DeleteDC(hdcMem);
::SelectObject(dis->hDC, oldpen); // restore hdc
::SelectObject(dis->hDC, oldbrush);
if (dbrush) ::DeleteObject(dbrush);
}
else if (dlgCmd->cmdType == C_ToggleButton)
{
// Draw a toggle button
HPEN pen;
if (dis->itemState & ODS_DISABLED)
pen = (HPEN) ::GetStockObject(WHITE_PEN);
else
pen = (HPEN) ::GetStockObject(BLACK_PEN);
// Set to the new brush color, remember the old one
HPEN oldpen = (HPEN)::SelectObject(dis->hDC, pen);
// Draw the button with a black border
(void)::Rectangle(dis->hDC,dis->rcItem.left, dis->rcItem.top,
dis->rcItem.right, dis->rcItem.bottom);
// Draw text for the Toggle button if it has it
if (*_title )
{
int tl = strlen(_title); // This little kludge
int tblanks = 0; // prevents drawing
for (VCONST char* tp = _title ; *tp ; ++tp) // all-blank titles
{ // which can leave
if (*tp == ' ') // an ugly "pure color"
++tblanks; // block in the middle
} // of the button.
if (tblanks != tl)
{
RECT rc = dis->rcItem;
if (_retVal)
{
rc.left += 2; rc.top += 2; // shift text
}
::DrawText(dis->hDC, _title, strlen(_title),
&rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
}
// Now draw the shadow around the button
if (_retVal == 0)
::SelectObject(dis->hDC, theApp->_LightPen);
else
::SelectObject(dis->hDC,theApp->_ShadowPen);
::MoveTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.top);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top);
::MoveTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom+1);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.top+1);
if (_retVal == 0)
::SelectObject(dis->hDC,theApp->_ShadowPen);
else
::SelectObject(dis->hDC, theApp->_LightPen);
::MoveTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.bottom-1);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom-1);
::MoveTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-2, dis->rcItem.bottom-2);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom-2);
::SelectObject(dis->hDC, oldpen); // restore hdc
}
return 1;
}
case ODA_SELECT: // indicated selected
{
if (dlgCmd->cmdType == C_IconButton ||
dlgCmd->cmdType == C_ToggleIconButton)
{
if (dis->itemState & ODS_SELECTED) //Draw the icon
{
POINT ptSize, ptOrg;
// Draw the button rectangle in LTGRAY with a BLACK border
HBRUSH fbrush = ::CreateSolidBrush(
::GetSysColor(COLOR_BTNFACE));
HPEN oldpen = (HPEN) ::SelectObject(dis->hDC,
::GetStockObject(BLACK_PEN));
HBRUSH oldbrush = static_cast<HBRUSH>(::SelectObject(dis->hDC, fbrush));
(void)::Rectangle(dis->hDC,dis->rcItem.left,
dis->rcItem.top, dis->rcItem.right, dis->rcItem.bottom);
// Draw the shadows - GRAY left, top, No right, bottom
::SelectObject(dis->hDC, theApp->_ShadowPen);
::MoveTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.top);
::LineTo(dis->hDC, dis->rcItem.right, dis->rcItem.top);
::MoveTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom-1);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top+1);
// Now setup coordinate to draw icon
HDC hdcMem = ::CreateCompatibleDC(dis->hDC);
::SetMapMode(hdcMem, GetMapMode(dis->hDC));
hbm = _ip->GetIconHBM(hdcMem); // get icon HBITMAP
HBITMAP oldbm = static_cast<HBITMAP>(::SelectObject(hdcMem,hbm));
ptSize.x = _ip->width;
ptSize.y = _ip->height;
DPtoLP(dis->hDC, &ptSize, 1);
ptOrg.x = 0;
ptOrg.y = 0;
DPtoLP(hdcMem, &ptOrg, 1);
::SetBkColor(dis->hDC, RGB(255,255,255)); // white bg for icon
::SelectObject(dis->hDC, ::GetStockObject(BLACK_BRUSH));
// Now BitBlt the icon BMP into the drawing canvas, leaving
// background untouched, and the pen color to draw 1 bits
// (that's what the E20746L does) (shifted 1 from normal icon)
int l = (dis->rcItem.right - _ip->width) / 2;
int t = (dis->rcItem.bottom - _ip->height) / 2;
::BitBlt(dis->hDC, l+1, t+1, ptSize.x,
ptSize.y, hdcMem, ptOrg.x, ptOrg.y, 0xE20746L);
::SelectObject(hdcMem,oldbm);
::DeleteDC(hdcMem);
::SelectObject(dis->hDC, oldpen); // restore hdc
::SelectObject(dis->hDC, oldbrush);
::DeleteObject(fbrush);
return 1;
}
else
goto DRAW_NORMAL;
}
else if (dlgCmd->cmdType == C_ToggleButton)
{
// nearly the same as regular, but don't worry about
// insensitive and draw inverted shadow
if (dis->itemState & ODS_SELECTED) //Draw the icon
{
// Draw the button rectangle in LTGRAY with a BLACK border
HBRUSH fbrush = ::CreateSolidBrush(
::GetSysColor(COLOR_BTNFACE));
HPEN oldpen = (HPEN) ::SelectObject(dis->hDC,
::GetStockObject(BLACK_PEN));
HBRUSH oldbrush = static_cast<HBRUSH>(::SelectObject(dis->hDC, fbrush));
(void)::Rectangle(dis->hDC,dis->rcItem.left,
dis->rcItem.top, dis->rcItem.right, dis->rcItem.bottom);
if (*_title)
{
RECT rc = dis->rcItem;
rc.left += 2; rc.top += 2; // shift text
::DrawText(dis->hDC, _title, strlen(_title),
&rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
::SelectObject(dis->hDC, theApp->_ShadowPen);
::MoveTo(dis->hDC, dis->rcItem.left, dis->rcItem.bottom);
::LineTo(dis->hDC, dis->rcItem.left, dis->rcItem.top);
::LineTo(dis->hDC, dis->rcItem.right, dis->rcItem.top);
::MoveTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.bottom+1);
::LineTo(dis->hDC, dis->rcItem.left+1, dis->rcItem.top+1);
::LineTo(dis->hDC, dis->rcItem.right-1, dis->rcItem.top+1);
::SelectObject(dis->hDC, oldpen); // restore hdc
::SelectObject(dis->hDC, oldbrush);
::DeleteObject(fbrush);
return 1;
}
else
goto DRAW_NORMAL;
}
return 1; // no op for icon label
}
case ODA_FOCUS: // gets focus
{
return 1; // no op for icon label
}
default:
break;
}
return 0;
}
//====================>>> vButtondCmd::CmdCallback <<<=======================
void vButtonCmd::CmdCallback(int /* id */, WORD /* codeNotify */)
{
if (dlgCmd->cmdType == C_ToggleIconButton || // depends on state
dlgCmd->cmdType == C_ToggleButton)
{
SetCmdVal(!_retVal, Checked);
}
// let parent window handle now
_parentWin->ProcessCmd(_cmdId, _retVal, dlgCmd->cmdType);
}
|
