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Yab2Cpp/src/MonthView.cpp
Jim 3e33065a02 initiaql check-in, moved repository -- no-longer a fork of 
haikuarchives/yab
2015-04-13 13:40:27 -07:00

961 lines
24 KiB
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// Calendar Control version 2.5
// by Al.V. Sarikov.
// Kherson, Ukraine, 2006.
// E-mail: avix@ukrpost.net.
// Home page: http://avix.pp.ru.
// Control which allows to work with dates:
// enter date to text field and choose it from calendar.
// Distributed under BSD license (see LICENSE file).
#include <Bitmap.h>
#include <View.h>
#include <time.h>
#include <ControlLook.h>
#include "MouseSenseStringView.cpp"
class MonthView : public BView
{
public:
MonthView(int day, int month, int year, int first_year, int last_year);
~MonthView();
virtual void AttachedToWindow(void);
virtual void Draw(BRect r);
virtual void KeyDown(const char *bytes, int32 numBytes);
virtual void MessageReceived(BMessage *msg);
virtual void MouseDown(BPoint p);
virtual void MouseUp(BPoint p);
void MouseMoved(BPoint pt, uint32 transit, const BMessage *msg);
private:
void DrawMonth();
BMessenger *msng;
MouseSenseStringView *yearMStringView[2];
MouseSenseStringView *monthMStringView[2];
MouseSenseStringView *todayStringView;
BStringView *monthStringView;
BStringView *yearStringView;
char *weekdayNames[7];
char *monthNames[12];
int monthDays[12];
BBitmap *Bmp;
BView *BmpView;
int cday, cmonth, cyear; // current date in window
int cwday1; // day of week of 1st of month in window
int cwday; // day of week of current day of month in window
int first_year, last_year;
int tday, tmonth, tyear; // today
int twday; // is needed to calculate days of week
float h_cell, w_cell; // height and width of cell for one number of day of nonth
BRect cursor; // rectangle arounding chosen date
BRect cursorPressed; // rectangle arounding date where mouse was pressed
bool MousePressed; // is mouse pressed on date
int dayPressed; // date where mouse is pressed
bool NewMonth; // if true field must be cleared
int which_focused; // 0 - if month, 1 - if year,
// 2 - if days of month, 3 - if today
};
MonthView::MonthView(int day, int month, int year, int first_year, int last_year)
:BView(BRect(0,0,100,100), "MonthViewAViX", B_FOLLOW_LEFT, B_WILL_DRAW)
{
this->cday=day;
this->cmonth=month;
this->cyear=year;
this->first_year=first_year;
this->last_year=last_year;
struct tm *dat;
time_t tmp;
time(&tmp);
dat=localtime(&tmp);
tday=dat->tm_mday;
tmonth=dat->tm_mon+1;
tyear=dat->tm_year+1900; // new day coming when window is opened is not handled
// because it is very rear case
twday=dat->tm_wday;
weekdayNames[0]=(char*)"Mo";
weekdayNames[1]=(char*)"Tu";
weekdayNames[2]=(char*)"We";
weekdayNames[3]=(char*)"Th";
weekdayNames[4]=(char*)"Fr";
weekdayNames[5]=(char*)"Sa";
weekdayNames[6]=(char*)"Su";
monthNames[0]=(char*)"January";
monthNames[1]=(char*)"February";
monthNames[2]=(char*)"March";
monthNames[3]=(char*)"April";
monthNames[4]=(char*)"May";
monthNames[5]=(char*)"June";
monthNames[6]=(char*)"July";
monthNames[7]=(char*)"August";
monthNames[8]=(char*)"September";
monthNames[9]=(char*)"October";
monthNames[10]=(char*)"November";
monthNames[11]=(char*)"December";
monthDays[0]=31;
monthDays[1]=28;
monthDays[2]=31;
monthDays[3]=30;
monthDays[4]=31;
monthDays[5]=30;
monthDays[6]=31;
monthDays[7]=31;
monthDays[8]=30;
monthDays[9]=31;
monthDays[10]=30;
monthDays[11]=31;
NewMonth=false; // first field is cleared and clearing is not needed
MousePressed=false;
}
MonthView::~MonthView()
{
delete todayStringView;
delete monthStringView;
delete monthMStringView[0];
delete monthMStringView[1];
delete yearStringView;
delete yearMStringView[0];
delete yearMStringView[1];
delete msng;
Bmp->RemoveChild(BmpView);
delete BmpView;
delete Bmp;
}
void MonthView::AttachedToWindow(void)
{
SetFont(be_plain_font);
SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// Calculate size of cell needed for number of day of month
font_height h;
be_plain_font->GetHeight(&h);
h_cell = (int)(h.ascent+h.descent+h.leading+6);
w_cell = StringWidth("4")*4;
// add today's date
BString s("");
s << tday << " " << monthNames[tmonth-1] << " " << tyear;
msng=new BMessenger(this);
todayStringView=new MouseSenseStringView(new BMessage('TODA'), msng,
BRect(10,10,100,100),"todayMStringViewAViX", s.String());
todayStringView->ResizeToPreferred();
todayStringView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
AddChild(todayStringView);
// add month selection
monthStringView=new BStringView(BRect(10,10,100,100),"monthStringViewAViX", monthNames[8]);
monthStringView->SetAlignment(B_ALIGN_CENTER);
monthStringView->ResizeToPreferred();
monthStringView->SetText(monthNames[cmonth-1]);
monthStringView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
AddChild(monthStringView);
// add year selection
s.SetTo("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s << cyear;
yearStringView=new BStringView(BRect(10,10,100,100),"yearStringViewAViX",
"0000");
yearStringView->ResizeToPreferred();
yearStringView->SetText(s.String());
yearStringView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
AddChild(yearStringView);
ResizeTo(w_cell*7+1,h_cell*7+3+16+yearStringView->Bounds().bottom+todayStringView->Bounds().bottom);
Window()->ResizeTo(Bounds().right, Bounds().bottom);
// year to the left button
yearMStringView[0]=new MouseSenseStringView(new BMessage('YEA0'),msng,
BRect(10,10,100,100),
"yearMStringViewAViX0",
"<<");
AddChild(yearMStringView[0]);
yearMStringView[0]->ResizeToPreferred();
yearMStringView[0]->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// year to the right button
yearMStringView[1]=new MouseSenseStringView(new BMessage('YEA1'),msng,
BRect(10,10,100,100),
"yearMStringViewAViX1",
">>");
AddChild(yearMStringView[1]);
yearMStringView[1]->ResizeToPreferred();
yearMStringView[1]->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// month to the left button
monthMStringView[0]=new MouseSenseStringView(new BMessage('MON0'),msng,
BRect(10,10,100,100),
"monthMStringViewAViX0",
"<<");
AddChild(monthMStringView[0]);
monthMStringView[0]->ResizeToPreferred();
monthMStringView[0]->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// month to the right button
monthMStringView[1]=new MouseSenseStringView(new BMessage('MON1'),msng,
BRect(10,10,100,100),
"monthMStringViewAViX1",
">>");
AddChild(monthMStringView[1]);
monthMStringView[1]->ResizeToPreferred();
monthMStringView[1]->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
// move all in correct position
todayStringView->MoveTo((Bounds().right-todayStringView->Bounds().right)/2,
Bounds().bottom-todayStringView->Bounds().bottom-2);
if(tyear<first_year || tyear>last_year) todayStringView->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_3_TINT));
yearMStringView[1]->MoveTo(Bounds().right-yearMStringView[1]->Bounds().right,5);
yearStringView->MoveTo(yearMStringView[1]->Frame().left-yearStringView->Bounds().right,5);
yearMStringView[0]->MoveTo(yearStringView->Frame().left-yearMStringView[0]->Bounds().right,5);
monthStringView->MoveTo((yearMStringView[0]->Frame().left-monthStringView->Bounds().right)/2,5);
monthMStringView[0]->MoveTo(monthStringView->Frame().left-monthMStringView[0]->Bounds().right,5);
monthMStringView[1]->MoveTo(monthStringView->Frame().right,5);
which_focused=2; // days of month
// Bitmap for the dates
Bmp=new BBitmap(Bounds(),B_RGB32,true);
BmpView=new BView(Bmp->Bounds(),"BV",0,B_WILL_DRAW);
Bmp->AddChild(BmpView);
Bmp->Lock();
BmpView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BmpView->FillRect(BmpView->Frame());
BmpView->SetHighColor(255,255,255);
BRect bmpRect(Bounds());
bmpRect.top = yearStringView->Frame().bottom + 2;
bmpRect.bottom = todayStringView->Frame().top - 5;
BmpView->FillRect(bmpRect);
BmpView->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_1_TINT));
BmpView->StrokeLine(BPoint(0,bmpRect.top), BPoint(BmpView->Bounds().right,bmpRect.top));
BmpView->StrokeLine(BPoint(0,bmpRect.bottom), BPoint(BmpView->Bounds().right,bmpRect.bottom));
BmpView->SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
float y=yearStringView->Frame().bottom+h_cell;
float x=0;
for(int i=0;i<7;i++)
{
BmpView->DrawString(weekdayNames[i],BPoint(x+(w_cell-StringWidth(weekdayNames[i]))/2,y));
x+=w_cell;
}
BmpView->Sync();
Bmp->Unlock();
DrawMonth();
}
void MonthView::Draw(BRect r)
{
Window()->Lock();
DrawBitmap(Bmp, BPoint(0,0));
Window()->Unlock();
}
void MonthView::DrawMonth()
{
Bmp->Lock();
float y=yearStringView->Frame().bottom+h_cell;
float x=0;
if(NewMonth)
{
BmpView->SetHighColor(255,255,255);
BmpView->FillRect(BRect(0,y+1, BmpView->Bounds().right,todayStringView->Frame().top - 6));
BmpView->SetHighColor(ui_color(B_PANEL_TEXT_COLOR));
BmpView->SetLowColor(255,255,255);
NewMonth=false;
}
int byear=cyear; // base year
if(tyear<byear) byear=tyear;
int day1=0, m=0, k=byear;
while(k<cyear)
{
day1++;
if(k%4==0) // leap year?
if((k%100!=0) || (k%400==0)) day1++; // yes
k++;
}
while(++m<cmonth)
{
day1+=(monthDays[m-1]-28);
if(m==2) if((cyear%4)==0) if((cyear%100!=0) || (cyear%400==0)) day1++;
}
day1++; // day1 is number of 1st day of chosen month in chosen year
day1=day1%7;
int day2=0;
m=0;
k=byear;
while(k<tyear)
{
day2++;
if((k%4)==0) if((k%100!=0) || (k%400==0)) day2++;
k++;
}
while(++m<tmonth)
{
day2+=(monthDays[m-1]-28);
if(m==2) if((tyear%4)==0) if((tyear%100!=0) || (tyear%400==0)) day2++;
}
day2+=tday; // day2 - number of today's day in today's year
day2=day2%7;
k=(twday==0) ? 6 : twday-1;
k=k-day2+day1;
while(k<0) k+=7;
k=k%7;
cwday1=k;
x=w_cell*k+1;
y+=h_cell;
int qu_days=monthDays[cmonth-1]; // quantity of days in month
if(cmonth==2) if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) qu_days=29;
BString s;
int t=0;
while(t<qu_days)
{
t++;
s<<t;
if(cyear==tyear) if(cmonth==tmonth) if(t==tday) BmpView->SetHighColor(236,0,0,0);
BmpView->DrawString(s.String(),BPoint(x+(w_cell-StringWidth(s.String()))/2,y));
if(cyear==tyear) if(cmonth==tmonth) if(t==tday) BmpView->SetHighColor(0,0,0,0);
if(t==cday)
{
cwday=k;
if(which_focused==2) BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
else
// BmpView->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_3_TINT));
BmpView->SetHighColor(255,255,255);
cursor.Set(x,y-h_cell+5,x+w_cell-1,y+4);
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0,0);
}
x+=w_cell;
k++;
s.SetTo("");
if(k==7)
{
k=0;
y+=h_cell;
x=1;
}
}
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
}
////////////////////////////////////////////////////////////////
void MonthView::KeyDown(const char *bytes, int32 numBytes)
{
switch(bytes[0])
{
case B_TAB:
{
Bmp->Lock();
switch(which_focused)
{
case 0: // months
{
BmpView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BmpView->StrokeLine(BPoint(monthMStringView[0]->Frame().left,
monthMStringView[0]->Frame().bottom+1),
BPoint(monthMStringView[1]->Frame().right,
monthMStringView[1]->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
case 1: // years
{
BmpView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BmpView->StrokeLine(BPoint(yearMStringView[0]->Frame().left,
yearMStringView[0]->Frame().bottom+1),
BPoint(yearMStringView[1]->Frame().right,
yearMStringView[1]->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
case 2: // days of month
{
BmpView->SetHighColor(tint_color(ui_color(B_PANEL_BACKGROUND_COLOR), B_DARKEN_3_TINT));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
break;
}
case 3: // today
{
BmpView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BmpView->StrokeLine(BPoint(todayStringView->Frame().left,
todayStringView->Frame().bottom+1),
BPoint(todayStringView->Frame().right,
todayStringView->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
}
// changing which_focused
if(modifiers() & B_SHIFT_KEY)
{
if(which_focused==0)
which_focused=3;
else which_focused--;
}
else // simply Tab
{
if(which_focused==3)
which_focused=0;
else which_focused++;
}
// drawing with new which_focused
switch(which_focused)
{
case 0: // months
{
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeLine(BPoint(monthMStringView[0]->Frame().left,
monthMStringView[0]->Frame().bottom+1),
BPoint(monthMStringView[1]->Frame().right,
monthMStringView[1]->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
case 1: // years
{
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeLine(BPoint(yearMStringView[0]->Frame().left,
yearMStringView[0]->Frame().bottom+1),
BPoint(yearMStringView[1]->Frame().right,
yearMStringView[1]->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
case 2: // days of month
{
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
break;
}
case 3: // today
{
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeLine(BPoint(todayStringView->Frame().left,
todayStringView->Frame().bottom+1),
BPoint(todayStringView->Frame().right,
todayStringView->Frame().bottom+1));
BmpView->SetHighColor(0,0,0);
break;
}
}
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
break;
} // B_TAB
case B_DOWN_ARROW:
{
if(which_focused==0) // month
{
BMessage msg('MON0');
MessageReceived(&msg);
}
else if(which_focused==1) // year
{
BMessage msg('YEA0');
MessageReceived(&msg);
}
else if(which_focused==2) // days of month
{
int qu_days=monthDays[cmonth-1];
if(cmonth==2) if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) qu_days=29;
if((cday+7)<=qu_days)
{
Bmp->Lock();
BmpView->SetHighColor(255,255,255);
BmpView->StrokeRect(cursor);
cursor.OffsetBySelf(0, h_cell);
cday+=7;
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
}
}
break;
}
case B_UP_ARROW:
{
// Test whether Ctrl+UpArrow is pressed
if(modifiers() & B_CONTROL_KEY)
Window()->PostMessage(B_QUIT_REQUESTED);
else
{
if(which_focused==0) // month
{
BMessage msg('MON1');
MessageReceived(&msg);
}
else if(which_focused==1) // year
{
BMessage msg('YEA1');
MessageReceived(&msg);
}
else if(which_focused==2) // days of month
{
if((cday-7)>=1)
{
Bmp->Lock();
BmpView->SetHighColor(255,255,255);
BmpView->StrokeRect(cursor);
cursor.OffsetBySelf(0, -h_cell);
cday-=7;
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
}
}
}
break;
}
case B_LEFT_ARROW:
{
if(which_focused==0) // month
{
BMessage msg('MON0');
MessageReceived(&msg);
}
else if(which_focused==1) // year
{
BMessage msg('YEA0');
MessageReceived(&msg);
}
else if(which_focused==2) // days of month
{
if(cday>1)
{
Bmp->Lock();
BmpView->SetHighColor(255,255,255);
BmpView->StrokeRect(cursor);
if(cwday>0) // by dates no matter of day of week
{
cursor.OffsetBySelf(-w_cell,0);
cwday--;
}
else // cwday==0
{
cursor.OffsetBySelf(w_cell*6,-h_cell);
cwday=6;
}
cday--;
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
}
else // 1st of month, go month before
{
if(cyear>first_year || cmonth>1) // one can go
{
int cm=(cmonth==1) ? 12 : cmonth-1;
int qu_days=monthDays[cm-1];
if(cm==2) if(cyear%4==0)
if((cyear%100!=0) || (cyear%400==0)) qu_days=29;
// it is correct not to pay attention to year changing
// because if we moved to february then year was not changed
// but if month is other then february
// then it has the same number of days every year.
cday=qu_days;
BMessage msg('MON0');
MessageReceived(&msg); // here month, cwday and year (if needed) will be changed
}
}
}
break;
}
case B_RIGHT_ARROW:
{
if(which_focused==0) // month
{
BMessage msg('MON1');
MessageReceived(&msg);
}
else if(which_focused==1) // year
{
BMessage msg('YEA1');
MessageReceived(&msg);
}
else if(which_focused==2) // days of month
{
int qu_days=monthDays[cmonth-1];
if(cmonth==2) if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) qu_days=29;
if(cday<qu_days)
{
Bmp->Lock();
BmpView->SetHighColor(255,255,255);
BmpView->StrokeRect(cursor);
if(cwday<6) // by dates no matter of day of week
{
cursor.OffsetBySelf(w_cell,0);
cwday++;
}
else // cwday==6
{
cursor.OffsetBySelf(-w_cell*6,h_cell);
cwday=0;
}
cday++;
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(0,0,0);
BmpView->Sync();
Bmp->Unlock();
Draw(Bounds());
}
else // last of month, go next month
{
if(cyear<last_year || cmonth<12) // one can go
{
cday=1;
BMessage msg('MON1');
MessageReceived(&msg); // here month, cwday and year (if needed) will be changed
}
}
}
break;
}
case B_ESCAPE:
{
Window()->PostMessage(B_QUIT_REQUESTED);
break;
}
case B_ENTER:
case B_SPACE:
{
if(which_focused==2)
{
// here it is needed to send dayPressed (==cwday), cyear, cmonth
// to window and leave
BMessage *msg=new BMessage('MVME');
msg->AddInt32("day",cday);
msg->AddInt32("month",cmonth);
msg->AddInt32("year",cyear);
Window()->PostMessage(msg);
}
else if(which_focused==3)
{
BMessage msg('TODA');
MessageReceived(&msg);
}
break;
}
default:
BView::KeyDown(bytes, numBytes);
}
}
////////////////////////////////////////////////////
void MonthView::MessageReceived(BMessage *msg)
{
switch(msg->what)
{
case 'YEA0': // year before
{
if(cyear<=first_year) break;
cyear--;
NewMonth=true;
BString s("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s<<cyear;
yearStringView->SetText(s.String());
if(cmonth==2) if(cday==29) // one can do simplier: if cday==29, then make
// cday=28, because two leap years one after other can't be
{
if(cyear%4!=0) cday=28;
else if(cyear%100==0 && cyear%400!=0) cday=28;
}
DrawMonth();
break;
}
case 'YEA1': // year after
{
if(cyear>=last_year) break;
cyear++;
NewMonth=true;
BString s("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s<<cyear;
yearStringView->SetText(s.String());
if(cmonth==2) if(cday==29)
{
if(cyear%4!=0) cday=28;
else if(cyear%100==0 && cyear%400!=0) cday=28;
}
DrawMonth();
break;
}
case 'MON0': // month before
{
if(cmonth>1) cmonth--;
else if(cyear>first_year)
{
cmonth=12;
cyear--;
BString s("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s<<cyear;
yearStringView->SetText(s.String());
}
else break; // nothing is changed
NewMonth=true;
monthStringView->SetText(monthNames[cmonth-1]);
if(cmonth==2)
{
int tmpday=28;
if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) tmpday=29;
if(cday>tmpday) cday=tmpday;
}
else if(cday>monthDays[cmonth-1]) cday=monthDays[cmonth-1];
DrawMonth();
break;
}
case 'MON1': // month after
{
if(cmonth<12) cmonth++;
else if(cyear<last_year)
{
cmonth=1;
cyear++;
BString s("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s<<cyear;
yearStringView->SetText(s.String());
}
else break; // nothing is changed
NewMonth=true;
monthStringView->SetText(monthNames[cmonth-1]);
if(cmonth==2)
{
int tmpday=28;
if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) tmpday=29;
if(cday>tmpday) cday=tmpday;
}
else if(cday>monthDays[cmonth-1]) cday=monthDays[cmonth-1];
DrawMonth();
break;
}
case 'TODA': // to place to today's date
{
if(tyear<first_year || tyear>last_year) break;
NewMonth=true;
cyear=tyear;
cmonth=tmonth;
cday=tday;
BString s("");
if(cyear<10) s.Append("000");
else if(cyear<100) s.Append("00");
else if(cyear<1000) s.Append("0");
s<<cyear;
yearStringView->SetText(s.String());
monthStringView->SetText(monthNames[cmonth-1]);
DrawMonth();
break;
}
default:
BView::MessageReceived(msg);
}
}
/////////////////////////////////////////
void MonthView::MouseDown(BPoint p)
{
// It's necessary to define whether mouse cursor is on one of dates
BRect r;
int k=cwday1;
float x=w_cell*k+1;
float y=yearStringView->Frame().bottom+h_cell+h_cell;
int qu_days=monthDays[cmonth-1]; // quantity of days in month
if(cmonth==2) if(cyear%4==0) if((cyear%100!=0) || (cyear%400==0)) qu_days=29;
bool flag=false; // whether mouse is pressed just on date
int t=0;
while(t<qu_days)
{
t++;
r.Set(x,y-h_cell+5,x+w_cell-1,y+4);
if(r.Contains(p))
{
flag=true;
dayPressed=t;
cursorPressed.Set(r.left,r.top,r.right,r.bottom);
MousePressed=true;
Bmp->Lock();
BmpView->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
BmpView->StrokeRect(cursor);
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursorPressed);
Bmp->Unlock();
Invalidate();
break; // exit while
}
x+=w_cell;
k++;
if(k==7)
{
k=0;
y+=h_cell;
x=1;
}
}
}
void MonthView::MouseUp(BPoint p)
{
if(!MousePressed) return;
if(cursorPressed.Contains(p))
{
// here it is needed to send dayPressed, cyear, cmonth
// to window and leave
BMessage *msg=new BMessage('MVME');
msg->AddInt32("day",dayPressed);
msg->AddInt32("month",cmonth);
msg->AddInt32("year",cyear);
Window()->PostMessage(msg);
}
else
{
Bmp->Lock();
BmpView->SetHighColor(255,255,255);
BmpView->StrokeRect(cursorPressed);
BmpView->SetHighColor(ui_color(B_NAVIGATION_BASE_COLOR));
BmpView->StrokeRect(cursor);
Bmp->Unlock();
Invalidate();
MousePressed=false;
}
}
void MonthView::MouseMoved(BPoint pt, uint32 transit, const BMessage *msg)
{
BPoint point;
uint32 buttons;
GetMouse(&point,&buttons);
if(transit==B_ENTERED_VIEW)
{
if( (buttons & B_PRIMARY_MOUSE_BUTTON)==0 &&
(buttons & B_SECONDARY_MOUSE_BUTTON)==0 &&
(buttons & B_PRIMARY_MOUSE_BUTTON)==0 )
MousePressed = false;
else
MousePressed = true;
}
if(transit==B_EXITED_VIEW || transit==B_OUTSIDE_VIEW)
MouseUp(Bounds().LeftTop());
}
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