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:
| unit ExProgressbar;
interface
uses
SysUtils, Classes, Controls, Graphics, Messages, Forms;
type
TSmallPoint = packed record
x: SmallInt;
y: SmallInt;
end;
type
TWMButtonEvent = packed record
Msg: Cardinal;
Keys: Longint;
case Integer of
0: (
XPos: Smallint;
YPos: Smallint);
1: (
Pos: TSmallPoint;
Result: Longint);
end;
type TTextposition = (tpNone,tpLeft,tpRight,tpCenter);
type TTexttype = (ttOwn, ttPercent, ttValue, ttValueAndMax);
type TOrientation = (poUpToDown, poDownToUp, poLeftToRight, poRightToLeft);
type
TMouseEvent = procedure(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer) of object;
type
TExProgressbar = class(TCustomControl)
private
cBackColor: TColor;
cForeColor: TColor;
cTextcolor: TColor;
iValue: integer;
iMaxVal: integer;
Position: integer;
FOnMouseDown: TMouseEvent;
FOnMouseUp: TMouseEvent;
b3D:Boolean;
Textstate: TTextposition;
sText: String;
Seperator: Char;
procedure SetForeColor(SColor: TColor);
procedure SetBackColor(SColor: TColor);
procedure SetHeight(hValue: integer);
procedure SetWidth(wValue: integer);
procedure SetTextcolor(SColor: TColor);
procedure SetText(SText: String);
procedure SetTextType(SType: TTexttype);
procedure SetSeperator(SChar: Char);
procedure Set3D(S3D: boolean);
procedure SetOrientation(SOrientation: TOrientation);
Function GetForeColor: TColor;
Function GetBackColor: TColor;
function GetHeight: integer;
function GetTextcolor: TColor;
function GetWidth: integer;
function GetText: String;
function GetTextType: TTexttype;
function GetSeperator: Char;
function Get3D: boolean;
function GetOrientation: TOrientation;
procedure WMLButtonDown(var Message: TWMLButtonDown); message WM_LBUTTONDOWN;
procedure WMLButtonUp(var Message: TWMLButtonUp); message WM_LBUTTONUP;
procedure WMRButtonDown(var Message: TWMRButtonDown); message WM_RBUTTONDOWN;
procedure WMRButtonUp(var Message: TWMRButtonUp); message WM_RBUTTONUP;
procedure WMMButtonDown(var Message: TWMMButtonDown); message WM_MBUTTONDOWN;
procedure WMMButtonUp(var Message: TWMMButtonUp); message WM_MBUTTONUP;
procedure SetValue(Percent: Integer);
procedure SetMaxVal(SValue: Integer);
procedure SetPosition(Pos: Integer);
procedure SetVerticalPosition(Pos: Integer);
protected
procedure Paint; override;
procedure DrawDownToUp;
procedure DrawUpToDown;
procedure DrawLeftToRight;
procedure DrawRightToLeft;
public
constructor Create(AOwner: TComponent); override;
published
property Value: Integer read iValue write SetValue default 0;
property MaxValue: Integer read iMaxVal write SetMaxVal default 100;
property ForeColor: TColor read GetForeColor write SetForeColor default clRed;
property BackColor: TColor read GetBackColor write SetBackColor default clBlack;
property TextColor: TColor read GetTextColor write SetTextColor;
property OnMouseDown: TMouseEvent read FOnMouseDown write FOnMouseDown;
property OnMouseUp: TMouseEvent read FOnMouseUp write FOnMouseUp;
property Ctrl3D: Boolean read Get3D write Set3D default true;
property TextPosition: TTextposition read Textstate write Textstate default tpCenter;
property TextType: TTexttype read GetTextType write SetTextType default ttPercent;
property Text: String read GetText write SetText;
property Textseperator: Char read GetSeperator write SetSeperator default '/';
property Height: Integer read GetHeight write SetHeight default 16;
property Width: Integer read GetWidth write SetWidth default 150;
property Orientation: TOrientation read GetOrientation write SetOrientation default poLeftToRight;
property Hint;
property OnClick;
property ParentShowHint;
property PopupMenu;
property ShowHint;
property Visible;
end;
procedure Register;
implementation
procedure Register;
begin
RegisterComponents('ExComponents', [TExProgressbar);
end;
constructor TExProgressbar.Create(AOwner: TComponent);
begin
inherited;
Position:=0;
DoubleBuffered:=True;
end;
procedure TExProgressbar.Paint;
begin
inherited;
case Orientation of
poDownToUp: DrawDownToUp;
poLeftToRight: DrawLeftToRight;
poRightToLeft: DrawRightToLeft;
poUpToDown: DrawUpToDown;
end;
end;
procedure TExProgressbar.SetForeColor(SColor: TColor);
begin
cForeColor:=SColor;
Paint;
end;
procedure TExProgressbar.SetBackColor(SColor: TColor);
begin
cBackColor:=SColor;
Paint;
end;
function TExProgressbar.GetForeColor: TColor;
begin
result:=cForeColor;
end;
function TExProgressbar.GetBackColor: TColor;
begin
result:=cBackColor;
end;
procedure TExProgressbar.WMLButtonDown(var Message: TWMLButtonDown);
begin
inherited;
if Assigned(FOnMouseDown) then
with Message do
FOnMouseDown(Self, mbLeft, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.WMLButtonUp(var Message: TWMLButtonUp);
begin
inherited;
if Assigned(FOnMouseUp) then
with Message do
FOnMouseUp(Self, mbLeft, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.WMRButtonDown(var Message: TWMRButtonDown);
begin
inherited;
if Assigned(FOnMouseDown) then
with Message do
FOnMouseDown(Self, mbRight, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.WMRButtonUp(var Message: TWMRButtonUp);
begin
inherited;
if Assigned(FOnMouseUp) then
with Message do
FOnMouseUp(Self, mbRight, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.WMMButtonDown(var Message: TWMMButtonDown);
begin
inherited;
if Assigned(FOnMouseDown) then
with Message do
FOnMouseDown(Self, mbMiddle, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.WMMButtonUp(var Message: TWMMButtonUp);
begin
inherited;
if Assigned(FOnMouseUp) then
with Message do
FOnMouseUp(Self, mbMiddle, KeysToShiftState(Keys), XPos, YPos);
end;
procedure TExProgressbar.SetValue(Percent: Integer);
begin
case Orientation of
poLeftToRight: begin
if Percent<=iMaxVal then begin
SetPosition(Percent);
iValue:=Percent;
Paint;
end;
end;
poRightToLeft: begin
if Percent<=iMaxVal then begin
SetPosition(Percent);
iValue:=Percent;
Paint;
end;
end;
poDownToUp: begin
if Percent<=iMaxVal then begin
SetVerticalPosition(Percent);
iValue:=Percent;
Paint;
end;
end;
poUpToDown: begin
if Percent<=iMaxVal then begin
SetVerticalPosition(Percent);
iValue:=Percent;
Paint;
end;
end;
end;
end;
procedure TExProgressbar.SetMaxVal(SValue: Integer);
begin
if SValue=0 then
iMaxVal:=1
else iMaxVal:=SValue;
if iMaxVal<iValue then
iValue:=iMaxVal;
SetValue(iValue);
end;
procedure TExProgressbar.SetPosition(Pos: Integer);
begin
Position := Round(((Width - 4) / iMaxVal) * Pos + 2);
end;
function TExProgressbar.GetHeight: integer;
begin
inherited;
result:=Height;
end;
function TExProgressbar.GetWidth: integer;
begin
inherited;
result:=Width;
end;
procedure TExProgressbar.SetHeight(hValue: integer);
begin
inherited;
Paint;
end;
procedure TExProgressbar.SetWidth(wValue: integer);
begin
inherited;
Paint;
end;
procedure TExProgressbar.SetTextcolor(SColor: TColor);
begin
cTextcolor:=SColor;
Paint;
end;
function TExProgressbar.GetTextcolor: TColor;
begin
result:=cTextcolor;
end;
procedure TExProgressbar.SetText(SText: String);
begin
sText:=SText;
end;
function TExProgressbar.GetText: String;
begin
result:=sText;
end;
procedure TExProgressbar.SetTextType(SType: TTexttype);
var percent: integer;
begin
Texttype:=SType;
Case TextType of
ttPercent: begin
percent:= round((iMaxVal/100)/Value);
sText:=inttostr(percent)+'%';
end;
ttValue: Text:= inttostr(Value);
ttValueAndMax: Text:= inttostr(Value)+Seperator+inttostr(iMaxVal);
end;
Paint;
end;
function TExProgressbar.GetTextType: TTexttype;
begin
result:=TextType;
end;
function TExProgressbar.GetSeperator: Char;
begin
result:=Seperator;
end;
procedure TExProgressbar.SetSeperator(SChar: Char);
begin
Seperator:=SChar;
SetTextType(TextType);
end;
procedure TExProgressbar.Set3D(S3D: boolean);
begin
b3D:=S3D;
paint;
end;
function TExProgressbar.Get3D: boolean;
begin
result:=b3D;
end;
function TExProgressbar.GetOrientation: TOrientation;
begin
result:=Orientation;
end;
procedure TExProgressbar.SetOrientation(SOrientation: TOrientation);
begin
Orientation:=SOrientation;
Paint;
end;
procedure TExProgressbar.DrawLeftToRight;
begin
if b3D=false then begin
Canvas.Brush.Style := bsSolid;
Canvas.Pen.Style := psSolid;
Canvas.Brush.Color := cBackColor;
Canvas.Pen.Color := cBackColor;
Canvas.Rectangle(0, 0, Width, Height);
Canvas.Brush.Color := cForeColor;
Canvas.Pen.Color := cForeColor;
Canvas.Rectangle(2, 2, Position, Height - 2);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpnone: ;
end;
end
else begin
Canvas.Brush.Style:=bsSolid;
Canvas.Pen.Style:= psSolid;
Canvas.Brush.Color:=clwhite;
Canvas.Rectangle(0,0,Width,-Height);
Canvas.Brush.Color:=clGray;
Canvas.Rectangle(0,0,Width-1,1-Height);
Canvas.Brush.Color:=cBackColor;
Canvas.Rectangle(1,1,width-1,1-height);
Canvas.Brush.Color:=cForeColor;
Canvas.Rectangle(2, 2, Position-1, Height - 3);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpnone: ;
end;
end;
end;
procedure TExProgressbar.DrawRightToLeft;
begin
if b3D=false then begin
Canvas.Brush.Style := bsSolid;
Canvas.Pen.Style := psSolid;
Canvas.Brush.Color := cBackColor;
Canvas.Pen.Color := cBackColor;
Canvas.Rectangle(0, 0, Width, Height);
Canvas.Brush.Color := cForeColor;
Canvas.Pen.Color := cForeColor;
Canvas.Rectangle(Position, 2, 2, Height - 2);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpnone: ;
end;
end
else begin
Canvas.Brush.Style:=bsSolid;
Canvas.Pen.Style:= psSolid;
Canvas.Brush.Color:=clwhite;
Canvas.Rectangle(0,0,Width,-Height);
Canvas.Brush.Color:=clGray;
Canvas.Rectangle(0,0,Width-1,1-Height);
Canvas.Brush.Color:=cBackColor;
Canvas.Rectangle(1,1,width-1,1-height);
Canvas.Brush.Color:=cForeColor;
Canvas.Rectangle(Position-1, 2, 2, Height - 3);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpnone: ;
end;
end;
end;
procedure TExProgressbar.DrawDownToUp;
begin
if b3D=false then begin
Canvas.Brush.Style := bsSolid;
Canvas.Pen.Style := psSolid;
Canvas.Brush.Color := cBackColor;
Canvas.Pen.Color := cBackColor;
Canvas.Rectangle(0, 0, Width, Height);
Canvas.Brush.Color := cForeColor;
Canvas.Pen.Color := cForeColor;
Canvas.Rectangle(2, 2, Width-2, Position);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpnone: ;
end;
end
else begin
Canvas.Brush.Style:=bsSolid;
Canvas.Pen.Style:= psSolid;
Canvas.Brush.Color:=clwhite;
Canvas.Rectangle(0,0,Width,-Height);
Canvas.Brush.Color:=clGray;
Canvas.Rectangle(0,0,Width-1,1-Height);
Canvas.Brush.Color:=cBackColor;
Canvas.Rectangle(1,1,width-1,1-height);
Canvas.Brush.Color:=cForeColor;
Canvas.Rectangle(2, Position, width-2, 2);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpnone: ;
end;
end;
end;
procedure TExProgressbar.DrawUpToDown;
begin
if b3D=false then begin
Canvas.Brush.Style := bsSolid;
Canvas.Pen.Style := psSolid;
Canvas.Brush.Color := cBackColor;
Canvas.Pen.Color := cBackColor;
Canvas.Rectangle(0, 0, Width, Height);
Canvas.Brush.Color := cForeColor;
Canvas.Pen.Color := cForeColor;
Canvas.Rectangle(2, 2, Position, Height - 2);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Text);
tpnone: ;
end;
end
else begin
Canvas.Brush.Style:=bsSolid;
Canvas.Pen.Style:= psSolid;
Canvas.Brush.Color:=clwhite;
Canvas.Rectangle(0,0,Width,-Height);
Canvas.Brush.Color:=clGray;
Canvas.Rectangle(0,0,Width-1,1-Height);
Canvas.Brush.Color:=cBackColor;
Canvas.Rectangle(1,1,width-1,1-height);
Canvas.Brush.Color:=cForeColor;
Canvas.Rectangle(2, 2, Position-1, Height - 3);
Canvas.Font.Color:=TextColor;
case Textposition of
tpRight: Canvas.TextOut(Round(Width-2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpleft: Canvas.TextOut(2,2,Inttostr(Value));
tpCenter: Canvas.TextOut(Round(Width/2-(Canvas.TextWidth(IntToStr(Value)))),2,Inttostr(Value));
tpnone: ;
end;
end;
end;
procedure TExProgressbar.SetVerticalPosition(Pos: Integer);
begin
Position := Round(((height - 4) / iMaxVal) * Pos + 2);
end;
end. |
