finalcut/examples/term-attributes.cpp

516 lines
12 KiB
C++

/***********************************************************************
* term-attributes.cpp - Test the video attributes of the terminal *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2015-2018 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* The Final Cut is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
***********************************************************************/
#include <final/final.h>
//----------------------------------------------------------------------
// class AttribDlg
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class AttribDlg : public finalcut::FDialog
{
public:
// Constructor
explicit AttribDlg (finalcut::FWidget* = nullptr);
// Disable copy constructor
AttribDlg (const AttribDlg&) = delete;
// Destructor
~AttribDlg();
// Disable assignment operator (=)
AttribDlg& operator = (const AttribDlg&) = delete;
// Event handlers
virtual void onAccel (finalcut::FAccelEvent*);
virtual void onWheel (finalcut::FWheelEvent*);
virtual void onClose (finalcut::FCloseEvent*);
// Callback methods
void cb_next (finalcut::FWidget* = nullptr, data_ptr = nullptr);
void cb_back (finalcut::FWidget* = nullptr, data_ptr = nullptr);
// Data Members
FColor bgcolor;
private:
// Method
virtual void adjustSize();
// Data Members
finalcut::FButton next_button{"&Next >", this};
finalcut::FButton back_button{"< &Back", this};
};
#pragma pack(pop)
//----------------------------------------------------------------------
AttribDlg::AttribDlg (finalcut::FWidget* parent)
: finalcut::FDialog(parent)
, bgcolor(wc.label_bg)
{
setText ( "A terminal attributes test ("
+ finalcut::FString(getTermType())
+ ")");
next_button.setGeometry(int(getWidth()) - 13, int(getHeight()) - 4, 10, 1);
next_button.addAccelerator(finalcut::fc::Fkey_right);
back_button.setGeometry(int(getWidth()) - 25, int(getHeight()) - 4, 10, 1);
back_button.addAccelerator(finalcut::fc::Fkey_left);
// Add function callbacks
next_button.addCallback
(
"clicked",
F_METHOD_CALLBACK (this, &AttribDlg::cb_next)
);
back_button.addCallback
(
"clicked",
F_METHOD_CALLBACK (this, &AttribDlg::cb_back)
);
}
//----------------------------------------------------------------------
AttribDlg::~AttribDlg()
{ }
//----------------------------------------------------------------------
void AttribDlg::onAccel (finalcut::FAccelEvent* ev)
{
close();
ev->accept();
}
//----------------------------------------------------------------------
void AttribDlg::onWheel (finalcut::FWheelEvent* ev)
{
int wheel = ev->getWheel();
if ( wheel == finalcut::fc::WheelUp )
cb_next();
else if ( wheel == finalcut::fc::WheelDown )
cb_back();
}
//----------------------------------------------------------------------
void AttribDlg::onClose (finalcut::FCloseEvent* ev)
{
finalcut::FApplication::closeConfirmationDialog (this, ev);
}
//----------------------------------------------------------------------
void AttribDlg::cb_next (finalcut::FWidget*, data_ptr)
{
if ( isMonochron() )
return;
if ( bgcolor == FColor(getMaxColor() - 1) )
bgcolor = finalcut::fc::Default;
else if ( bgcolor == finalcut::fc::Default )
bgcolor = 0;
else
bgcolor++;
redraw();
}
//----------------------------------------------------------------------
void AttribDlg::cb_back (finalcut::FWidget*, data_ptr)
{
if ( isMonochron() )
return;
if ( bgcolor == 0 )
bgcolor = finalcut::fc::Default;
else if ( bgcolor == finalcut::fc::Default )
bgcolor = FColor(getMaxColor() - 1);
else
bgcolor--;
redraw();
}
//----------------------------------------------------------------------
void AttribDlg::adjustSize()
{
int x = int((getParentWidget()->getWidth() - getWidth()) / 2);
int y = int((getParentWidget()->getHeight() - getHeight()) / 2) + 1;
if ( x < 1 )
x = 1;
if ( y < 1 )
y = 1;
setGeometry(x, y, 69, 21, false);
next_button.setGeometry ( int(getWidth()) - 13, int(getHeight()) - 4
, 10, 1, false );
back_button.setGeometry ( int(getWidth()) - 25, int(getHeight()) - 4
, 10, 1, false );
finalcut::FDialog::adjustSize();
}
//----------------------------------------------------------------------
// class AttribDemo
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class AttribDemo : public finalcut::FWidget
{
public:
// Constructor
explicit AttribDemo (FWidget* = nullptr);
// Destructor
~AttribDemo()
{ }
// Event handler
virtual void onWheel (finalcut::FWheelEvent* ev)
{
AttribDlg* p = static_cast<AttribDlg*>(getParentWidget());
if ( p )
p->onWheel(ev);
}
private:
// Methods
void printColorLine();
void printAltCharset();
void printDim();
void printNormal();
void printBold();
void printBoldDim();
void printItalic();
void printUnderline();
void printDblUnderline();
void printCrossesOut();
void printBlink();
void printReverse();
void printStandout();
void printInvisible();
void printProtected();
virtual void draw();
// Data Member
int colors;
};
#pragma pack(pop)
//----------------------------------------------------------------------
AttribDemo::AttribDemo (finalcut::FWidget* parent)
: finalcut::FWidget(parent)
, colors(getMaxColor())
{
if ( isMonochron() )
colors = 1;
else if ( colors > 16 )
colors = 16;
unsetFocusable();
}
//----------------------------------------------------------------------
void AttribDemo::printColorLine()
{
AttribDlg* parent = static_cast<AttribDlg*>(getParent());
for (FColor color = 0; color < colors; color++)
{
setColor (color, parent->bgcolor);
print (" # ");
}
}
//----------------------------------------------------------------------
void AttribDemo::printAltCharset()
{
AttribDlg* parent = static_cast<AttribDlg*>(getParent());
if ( ! isMonochron() )
setColor (wc.label_fg, wc.label_bg);
setPrintPos (1, 1);
print("alternate charset: ");
if ( parent->bgcolor == finalcut::fc::Default )
{
setColor (finalcut::fc::Default, finalcut::fc::Default);
}
else
{
if ( (parent->bgcolor <= 8)
|| (parent->bgcolor >= 16 && parent->bgcolor <= 231
&& (parent->bgcolor - 16) % 36 <= 17)
|| (parent->bgcolor >= 232 && parent->bgcolor <= 243) )
setColor (finalcut::fc::White, parent->bgcolor);
else
setColor (finalcut::fc::Black, parent->bgcolor);
}
setAltCharset();
print("`abcdefghijklmnopqrstuvwxyz{|}~");
unsetAltCharset();
print(" ");
}
//----------------------------------------------------------------------
void AttribDemo::printDim()
{
print(" Dim: ");
setDim();
printColorLine();
unsetDim();
}
//----------------------------------------------------------------------
void AttribDemo::printNormal()
{
print(" Normal: ");
setNormal();
printColorLine();
}
//----------------------------------------------------------------------
void AttribDemo::printBold()
{
print(" Bold: ");
setBold();
printColorLine();
unsetBold();
}
//----------------------------------------------------------------------
void AttribDemo::printBoldDim()
{
print(" Bold+Dim: ");
setBold();
setDim();
printColorLine();
unsetDim();
unsetBold();
}
//----------------------------------------------------------------------
void AttribDemo::printItalic()
{
print(" Italic: ");
setItalic();
printColorLine();
unsetItalic();
}
//----------------------------------------------------------------------
void AttribDemo::printUnderline()
{
print(" Underline: ");
setUnderline();
printColorLine();
unsetUnderline();
}
//----------------------------------------------------------------------
void AttribDemo::printDblUnderline()
{
print(" Double underline: ");
setDoubleUnderline();
printColorLine();
unsetDoubleUnderline();
}
//----------------------------------------------------------------------
void AttribDemo::printCrossesOut()
{
print(" Crossed-out: ");
setCrossedOut();
printColorLine();
unsetCrossedOut();
}
//----------------------------------------------------------------------
void AttribDemo::printBlink()
{
print(" Blink: ");
setBlink();
printColorLine();
unsetBlink();
}
//----------------------------------------------------------------------
void AttribDemo::printReverse()
{
print(" Reverse: ");
setReverse();
printColorLine();
unsetReverse();
}
//----------------------------------------------------------------------
void AttribDemo::printStandout()
{
print(" Standout: ");
setStandout();
printColorLine();
unsetStandout();
}
//----------------------------------------------------------------------
void AttribDemo::printInvisible()
{
print(" Invisible: ");
setInvisible();
printColorLine();
unsetInvisible();
}
//----------------------------------------------------------------------
void AttribDemo::printProtected()
{
print(" Protected: ");
setProtected();
printColorLine();
unsetProtected();
}
//----------------------------------------------------------------------
void AttribDemo::draw()
{
// test alternate character set
printAltCharset();
for (int y = 0; y < int(getParentWidget()->getHeight()) - 7; y++)
{
setPrintPos (1, 2 + y);
if ( ! isMonochron() )
setColor (wc.label_fg, wc.label_bg);
switch (y)
{
case 0:
printDim();
break;
case 1:
printNormal();
break;
case 2:
printBold();
break;
case 3:
printBoldDim();
break;
case 4:
printItalic();
break;
case 5:
printUnderline();
break;
case 6:
printDblUnderline();
break;
case 7:
printCrossesOut();
break;
case 8:
printBlink();
break;
case 9:
printReverse();
break;
case 10:
printStandout();
break;
case 11:
printInvisible();
break;
case 12:
printProtected();
break;
}
}
if ( ! isMonochron() )
setColor(wc.label_fg, wc.label_bg);
setPrintPos (1, 15);
FColor bg = static_cast<AttribDlg*>(getParent())->bgcolor;
print (" Background color:");
if ( bg == finalcut::fc::Default )
print (" default");
else
printf ( " %d", bg);
setPrintPos (16, 17);
print ("Change background color ->");
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
// Create the application object
finalcut::FApplication app (argc, argv);
// Create a dialog box object.
// This object will be automatically deleted by
// the parent object "app" (FObject destructor).
AttribDlg dialog(&app);
dialog.setGeometry (6, 2, 69, 21);
dialog.addAccelerator('q'); // press 'q' to quit
dialog.setShadow();
// Create the attribute demo widget as a child object from the dialog
AttribDemo demo(&dialog);
demo.setGeometry (1, 1, 67, 19);
// Set the dialog object as main widget
app.setMainWidget(&dialog);
// Show and start the application
dialog.show();
return app.exec();
}