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4 ПродажDialog darchalar va oddiy boshqarish elementlari
![Hisobot” programmasini kiritamiz
#include <vcl.h>
#pragma hdrstop
#include "SheetFrm.h"
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
void __fastcall TForm1::FormCreate(TObject *Sender)
{
// *** настроитьтаблицу ***
StringGrid1->Options
<<goEditing // taxrir qilishga ruxsat berildi
<<goTabs; // <Tab> - keyingi jadvalga o`tish
// << goAlwaysShowEditor; // doimo usor ko`rsatilishi kerak
// jadval eniga
StringGrid1->Cells[0][0] = "";
StringGrid1->Cells[1][0] = " nom";
StringGrid1->Cells[2][0] = " baho";
StringGrid1->Cells[3][0] = " kilo";
StringGrid1->Cells[4][0] = " summa";
// jadval kengligida
StringGrid1->ColWidths[0] = 30;
StringGrid1->ColWidths[1] = 250;
StringGrid1->ColWidths[2] = 80;
StringGrid1->ColWidths[3] = 50;
StringGrid1->ColWidths[4] = 80;
// birinchi jadvalni to`ldirish
for ( int i = 1; i < 11; i++)
if (i < 10)
StringGrid1->Cells[0][i] = " " + IntToStr(i);](https://docx.uz/documents/fc2bc5bc-da6f-4b37-8898-47e7065ef676/page_14.png?v=2)
![else
StringGrid1->Cells[0][i] = IntToStr(i);
int w = 0;
for (int i = 0; i < StringGrid1->ColCount; i++)
w += StringGrid1->ColWidths[i];
// StringGrid razmeri bilan ustanovka qilinadi
// jadval va chegaralangan satrlar
StringGrid1->Width = w + StringGrid1->ColCount +1 ;
StringGrid1->Height =
StringGrid1->DefaultRowHeight * StringGrid1->RowCount +
StringGrid1->RowCount + 1;
}
#include "Printers.hpp"
// pechat knopkasi bosiladi
void __fastcall TForm1::Button2Click(TObject *Sender)
{
TPrinter *Prn; // принтер
#define LEFT_MARGIN 2 // chapdan 2sm
#define TOP_MARGIN 2 // tepadan 2sm
float dpiX, dpiY; //X va Y ni chop etishga ruxsat beriladi
float kx, ky; // коэф . Ekran kordinatasini hisobga olgan holda
// mundarija
int p[5]; // kolonok o`rni
int x1,y1,x2,y2;
int px, py; // nuqta ko`rsatgichi
int i, j;
/* Ekran va printerning shakllari har xil, shuning uchun ham
Ekran va printerdagi kerakli razmerga ega bo`lishi uchun,
Ekrandagi kordinata nuqtalari kordinata prneda boshqariladi
Va koeefitsiyentga oshiriladi, .
Printer ruxsat berilishiga qarab, misol uchun:
Agar printer ruxsati 300dpi
Unda koeffitsiyentlarteng 3.125
Ekran kengligi 96 dpi */
Prn = Printer ();](https://docx.uz/documents/fc2bc5bc-da6f-4b37-8898-47e7065ef676/page_15.png?v=2)
![/* ф - я GetDeviceCaps harakteristika olishga yordam beradi.
LOGP IXELSX - кол-во пикселей на дюйм по X */
dpiX = GetDeviceCaps(Prn->Handle,LOGPIXELSX);
dpiY = GetDeviceCaps(Prn->Handle,LOGPIXELSY);
kx = dpiX / Screen->PixelsPerInch;
ky = dpiY / Screen->PixelsPerInch;
px = LEFT_MARGIN / 2.54 * dpiX;
py = TOP_MARGIN / 2.54 * dpiY;
// mundarijadagi jadval kordinatalariga jo`natamiz.
p[0] = px;
for (i = 1; i < 5; i++ )
p[i] = p[i-1] + StringGrid1->ColWidths[i-1]* kx + i;
Prn->BeginDoc(); // открытьпечать
// mundrija burchagi
Prn->Canvas->Font->Name = Label1->Font->Name;
Prn->Canvas->Font->Size = Label1->Font->Size;
Prn->Canvas->TextOut(px,py,Label1->Caption);
// mundarijada StringGrid1 mavjud
py = py + Label1->Font->Size * 2 * ky;
x1 = px; y1 = py; // mundarija burchagidagi chapdan yuqoridagi
Prn->Canvas->Font->Name = StringGrid1->Font->Name;
Prn->Canvas->Font->Size = StringGrid1->Font->Size;
x2 = p[4] + StringGrid1->ColWidths[4]* kx;
y2 = py +
StringGrid1->RowCount * StringGrid1->RowHeights[1] * ky;
for ( j = 0; j < StringGrid1->RowCount; j++)
{
// satrlar mundarijasi
for (i = 0; i < StringGrid1->ColCount; i++)
{
Prn->Canvas->TextOut(p[i],py,StringGrid1->Cells[i][j]);
// гор -> линия
Prn->Canvas->MoveTo(p[0],py);
Prn->Canvas->LineTo(x2,py);](https://docx.uz/documents/fc2bc5bc-da6f-4b37-8898-47e7065ef676/page_16.png?v=2)
![}
py = py+ StringGrid1->RowHeights[j]* ky;
}
// vertikal yo`nalishdagi liniya
for ( i = 0; i < StringGrid1->ColCount; i++ )
{
Prn->Canvas->MoveTo(p[i],y1);
Prn->Canvas->LineTo(p[i],y2);
}
// o`ng chegara
Prn->Canvas->MoveTo(x2,y1);
Prn->Canvas->LineTo(x2,y2);
// pastki chegara
Prn->Canvas->MoveTo(x1,y2);
Prn->Canvas->LineTo(x2,y2);
py = y2 + 0.5 / 2.54 * dpiY; //bu yerda 1 – bu 1sm .
Prn->Canvas->TextOut(p[3],py,Label2->Caption);
Prn->EndDoc(); // chop etish to`xtatiladi
}
// tayyor knopkasi bosiladi
void __fastcall TForm1::Button1Click(TObject *Sender)
{
float summ;
summ = 0;
for ( int i = 1; i < 11; i++)
{
// bajari;ayotganda summa jadvali bo`shligicha qolsa
// StrToFloat funksiyasida xatolik ro`y bergan bo`ladi.
try
{
summ += StrToFloat(StringGrid1->Cells[4][i]);
}
catch (Exception &e)
{
}
}
Label2->Caption = " Всего : " + FloatToStr(summ) + " руб .";
}](https://docx.uz/documents/fc2bc5bc-da6f-4b37-8898-47e7065ef676/page_17.png?v=2)
C++ da Dialog darchalar va oddiy boshqarish elementlari.
Dialog darchalar va oddiy boshqarish elementlari