finalcut/src/fmessagebox.cpp

411 lines
11 KiB
C++

// fmessagebox.cpp
// class FMessageBox
#include "fapp.h"
#include "fmessagebox.h"
static const char* button_text[] =
{
0,
"&OK",
"&Cancel",
"&Yes",
"&No",
"&Abort",
"&Retry",
"&Ignore",
0
};
//----------------------------------------------------------------------
// class FMessageBox
//----------------------------------------------------------------------
// constructors and destructor
//----------------------------------------------------------------------
FMessageBox::FMessageBox(FWidget* parent) : FDialog(parent)
{
FDialog::setText ("Message for you");
this->init(FMessageBox::Ok, 0, 0);
}
//----------------------------------------------------------------------
FMessageBox::FMessageBox(const FString& caption,
const FString& message,
int button0,
int button1,
int button2,
FWidget* parent) : FDialog(parent)
{
FDialog::setText(caption);
this->text = message;
this->init(button0, button1, button2);
}
//----------------------------------------------------------------------
FMessageBox::~FMessageBox() // destructor
{
for (uInt n=0; n < numButtons; n++)
delete button[n];
delete button_digit[2];
delete button_digit[1];
delete button_digit[0];
}
// private methods of FMessageBox
//----------------------------------------------------------------------
void FMessageBox::init(int button0, int button1, int button2)
{
emphasis_color = wc.dialog_emphasis_fg;
msg_dimension();
if ( (button2 && ! button1) || (button1 && ! button0) )
{
button0 = button1 = button2 = 0;
}
if ( button0 == 0 )
button0 = FMessageBox::Ok;
if ( button1 == 0 && button2 == 0 )
numButtons = 1;
else if ( button2 == 0 )
numButtons = 2;
else
numButtons = 3;
button_digit[0] = new int(button0);
button_digit[1] = new int(button1);
button_digit[2] = new int(button2);
button[0] = new FButton (this);
button[0]->setText(button_text[button0]);
button[0]->setX(3, false);
button[0]->setY(height-4, false);
button[0]->setWidth(1, false);
button[0]->setHeight(1, false);
button[0]->setFocus();
button[0]->setShadow();
if ( button1 > 0 )
{
button[1] = new FButton(this);
button[1]->setText(button_text[button1]);
button[1]->setX(17, false);
button[1]->setY(height-4, false);
button[1]->setWidth(0, false);
button[1]->setHeight(1, false);
button[1]->setShadow();
}
if ( button2 > 0 )
{
button[2] = new FButton(this);
button[2]->setText(button_text[button2]);
button[2]->setX(32, false);
button[2]->setY(height-4, false);
button[2]->setWidth(0, false);
button[2]->setHeight(1, false);
button[2]->setShadow();
}
resizeButtons();
adjustButtons();
if ( *button_digit[0] != 0 )
button[0]->addCallback
(
"clicked",
this,
reinterpret_cast<FWidget::FMemberCallback>(&FMessageBox::cb_processClick),
static_cast<FWidget::data_ptr>(button_digit[0])
);
if ( *button_digit[1] != 0 )
button[1]->addCallback
(
"clicked",
this,
reinterpret_cast<FWidget::FMemberCallback>(&FMessageBox::cb_processClick),
static_cast<FWidget::data_ptr>(button_digit[1])
);
if ( *button_digit[2] != 0 )
button[2]->addCallback
(
"clicked",
this,
reinterpret_cast<FWidget::FMemberCallback>(&FMessageBox::cb_processClick),
static_cast<FWidget::data_ptr>(button_digit[2])
);
setModal();
setTransparentShadow();
}
//----------------------------------------------------------------------
void FMessageBox::msg_dimension()
{
int x, y, w, h;
int headline_height = 0;
text_split = text.split("\n");
text_num_lines = uInt(text_split.size());
text_components = &text_split[0];
maxLineWidth = 0;
center_text = false;
if ( ! headline_text.isNull() )
headline_height = 2;
for (uInt i=0; i < text_num_lines; i++)
{
uInt len = text_components[i].getLength();
if ( len > maxLineWidth )
maxLineWidth = len;
}
h = int(text_num_lines) + 8 + headline_height;
w = int(maxLineWidth + 4);
if ( w < 20 )
w = 20;
x = 1 + int((parentWidget()->getWidth()-w)/2);
y = 1 + int((parentWidget()->getHeight()-h)/3);
setGeometry (x, y, w, h);
}
//----------------------------------------------------------------------
void FMessageBox::draw()
{
FDialog::draw();
if ( Encoding == fc::VT100 )
unsetVT100altChar();
int head_offset = 0;
int center_x = 0;
int msg_x = int((width - int(maxLineWidth)) / 2); // center the whole block
setUpdateVTerm(false);
if ( ! headline_text.isNull() )
{
setColor(emphasis_color, backgroundColor);
uInt headline_length = headline_text.getLength();
if ( center_text ) // center one line
center_x = int((maxLineWidth - headline_length) / 2);
gotoxy (xpos+xmin-1+msg_x+center_x, ypos+ymin+2);
print (headline_text);
head_offset = 2;
}
setColor(foregroundColor, backgroundColor);
for (int i=0; i < int(text_num_lines); i++)
{
uInt line_length = text_components[i].getLength();
if ( center_text ) // center one line
center_x = int((maxLineWidth - line_length) / 2);
gotoxy (xpos+xmin-1+msg_x+center_x, ypos+ymin+2+head_offset+i);
print(text_components[i]);
}
setUpdateVTerm(true);
}
//----------------------------------------------------------------------
void FMessageBox::resizeButtons()
{
uInt len[3], max_size;
for (uInt n=0; n < numButtons; n++)
{
len[n] = button[n]->getText().getLength();
if ( button[n]->getText().includes('&') )
len[n]--;
}
if ( numButtons == 1 )
max_size = len[0];
else
{
assert ( numButtons > 1 );
max_size = std::max(len[0], len[1]);
if ( numButtons == 3 )
max_size = std::max(max_size, len[2]);
}
if ( max_size < 7 )
max_size = 7;
for (uInt n=0; n < numButtons; n++)
button[n]->setWidth(int(max_size + 3), false);
}
//----------------------------------------------------------------------
void FMessageBox::adjustButtons()
{
int btn_width=0;
int gap = 4;
for (uInt n=0; n < numButtons; n++)
{
if ( n == numButtons-1 )
btn_width += button[n]->getWidth();
else
btn_width += button[n]->getWidth() + gap;
}
if ( btn_width > width-5 )
{
setWidth(btn_width + 5);
int max_width = getRootWidget()->getClientWidth();
setX(int((max_width-width)/2));
}
int btn_x = int((width-btn_width) / 2);
for (uInt n=0; n < numButtons; n++)
{
if ( n == 0 )
button[n]->setX(btn_x);
else
{
int btn_size = button[n]->getWidth();
button[n]->setX( btn_x + int(n) * (btn_size + gap) );
}
}
}
//----------------------------------------------------------------------
void FMessageBox::cb_processClick (FWidget*, void* data_ptr)
{
int* reply = static_cast<int*>(data_ptr);
done (*reply);
}
// protected methods of FMessageBox
//----------------------------------------------------------------------
void FMessageBox::adjustSize()
{
int X, Y, max_width, max_height;
max_height = getRootWidget()->getClientHeight();
max_width = getRootWidget()->getClientWidth();
X = 1 + int((max_width-width)/2);
Y = 1 + int((max_height-height)/3);
setX(X, false);
setY(Y, false);
FDialog::adjustSize();
}
// public methods of FMessageBox
//----------------------------------------------------------------------
void FMessageBox::setHeadline (const FString& headline)
{
int old_height = height;
this->headline_text = headline;
setHeight(height + 2, true);
for (uInt n=0; n < numButtons; n++)
button[n]->setY(height-4, false);
uInt len = headline_text.getLength();
if ( len > maxLineWidth )
maxLineWidth = len;
if ( vwin && height != old_height )
resizeArea (vwin);
}
//----------------------------------------------------------------------
void FMessageBox::setHeadline (const std::string& headline)
{
FString headline_txt(headline);
setHeadline( headline_txt );
}
//----------------------------------------------------------------------
void FMessageBox::setHeadline (const char* headline)
{
FString headline_txt(headline);
setHeadline( headline_txt );
}
//----------------------------------------------------------------------
void FMessageBox::setText (const FString& txt)
{
this->text = txt;
msg_dimension();
button[0]->setY(height-4, false);
if ( *button_digit[1] != 0 )
button[1]->setY(height-4, false);
if ( *button_digit[2] != 0 )
button[2]->setY(height-4, false);
adjustButtons();
}
//----------------------------------------------------------------------
void FMessageBox::setText (const std::string& txt)
{
FString message_text(txt);
setText( message_text );
}
//----------------------------------------------------------------------
void FMessageBox::setText (const char* txt)
{
FString message_text(txt);
setText( message_text );
}
//----------------------------------------------------------------------
int FMessageBox::info ( FWidget* parent,
const FString& caption,
const FString& message,
int button0,
int button1,
int button2 )
{
int reply;
FMessageBox* mbox = new FMessageBox ( caption, message,
button0, button1, button2,
parent );
reply = mbox->exec();
delete mbox;
return reply;
}
//----------------------------------------------------------------------
int FMessageBox::info ( FWidget* parent,
const FString& caption,
int num,
int button0,
int button1,
int button2 )
{
int reply;
FMessageBox* mbox = new FMessageBox ( caption,
FString().setNumber(num),
button0, button1, button2,
parent );
reply = mbox->exec();
delete mbox;
return reply;
}
//----------------------------------------------------------------------
int FMessageBox::error ( FWidget* parent,
const FString& message,
int button0,
int button1,
int button2 )
{
int reply;
const FString caption = "Error message";
FMessageBox* mbox = new FMessageBox ( caption, message,
button0, button1, button2,
parent );
mbox->beep();
mbox->setHeadline("Warning:");
mbox->setCenterText();
mbox->foregroundColor = mbox->wc.error_box_fg;
mbox->backgroundColor = mbox->wc.error_box_bg;
mbox->emphasis_color = mbox->wc.error_box_emphasis_fg;
reply = mbox->exec();
delete mbox;
return reply;
}