finalcut/examples/mouse.cpp

568 lines
15 KiB
C++
Raw Normal View History

2017-11-04 07:03:53 +01:00
/***********************************************************************
* mouse.cpp - A small mouse-controlled drawing program *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2017-2018 Markus Gans *
2017-11-04 07:03:53 +01:00
* *
* 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/>. *
***********************************************************************/
2017-03-17 23:22:13 +01:00
#include <final/final.h>
2017-03-19 17:18:07 +01:00
//----------------------------------------------------------------------
// class ColorChooser
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class ColorChooser : public finalcut::FWidget
2017-03-19 17:18:07 +01:00
{
2017-09-11 03:06:02 +02:00
public:
// Constructor
explicit ColorChooser (finalcut::FWidget* = 0);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Destructor
~ColorChooser();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Accessors
short getForeground();
short getBackground();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
private:
// Disable copy constructor
ColorChooser (const ColorChooser&);
// Disable assignment operator (=)
ColorChooser& operator = (const ColorChooser&);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Method
void draw();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Event handler
void onMouseDown (finalcut::FMouseEvent*);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Data Members
short fg_color;
short bg_color;
2017-03-19 17:18:07 +01:00
};
#pragma pack(pop)
//----------------------------------------------------------------------
ColorChooser::ColorChooser (finalcut::FWidget* parent)
2017-03-19 17:18:07 +01:00
: FWidget(parent)
, fg_color(finalcut::fc::White)
, bg_color(finalcut::fc::Black)
2017-03-19 17:18:07 +01:00
{
setSize (8, 12);
setFixedSize (8, 12);
unsetFocusable();
if ( parent )
{
setForegroundColor(parent->getForegroundColor());
setBackgroundColor(parent->getBackgroundColor());
}
// Text label
finalcut::FLabel* headline = new finalcut::FLabel (this);
2017-03-19 17:18:07 +01:00
headline->setGeometry(1, 1, 8, 1);
headline->setEmphasis();
headline->setAlignment (finalcut::fc::alignCenter);
*headline << "Color";
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
ColorChooser::~ColorChooser()
{ }
//----------------------------------------------------------------------
void ColorChooser::onMouseDown (finalcut::FMouseEvent* ev)
2017-03-19 17:18:07 +01:00
{
int mouse_x = ev->getX();
int mouse_y = ev->getY();
if ( ev->getButton() == finalcut::fc::MiddleButton )
2017-03-19 17:18:07 +01:00
return;
for (int c = 0; c < 16; c++)
2017-03-19 17:18:07 +01:00
{
int xmin = 2 + (c / 8) * 3;
int xmax = 4 + (c / 8) * 3;
int y = 3 + c % 8;
if ( mouse_x >= xmin && mouse_x <= xmax && mouse_y == y )
{
if ( ev->getButton() == finalcut::fc::LeftButton )
2017-03-19 17:18:07 +01:00
bg_color = short(c);
else if ( ev->getButton() == finalcut::fc::RightButton )
2017-03-19 17:18:07 +01:00
fg_color = short(c);
redraw();
emitCallback("clicked");
}
}
}
//----------------------------------------------------------------------
void ColorChooser::draw()
{
setColor();
finalcut::FWidget::drawBorder (1, 2, 8, 11);
2017-03-19 17:18:07 +01:00
for (short c = 0; c < 16; c++)
2017-03-19 17:18:07 +01:00
{
setPrintPos (2 + (c / 8) * 3, 3 + c % 8);
2017-03-19 17:18:07 +01:00
if ( c < 6 )
setColor (finalcut::fc::LightGray, c);
2017-03-19 17:18:07 +01:00
else if ( c > 8 )
setColor (finalcut::fc::DarkGray, c);
2017-03-19 17:18:07 +01:00
else
setColor (finalcut::fc::White, c);
2017-03-19 17:18:07 +01:00
if ( c == bg_color )
{
print (' ');
print (finalcut::fc::Times);
2017-03-19 17:18:07 +01:00
print (' ');
}
else
print (" ");
}
}
//----------------------------------------------------------------------
inline short ColorChooser::getForeground()
{
return fg_color;
}
//----------------------------------------------------------------------
inline short ColorChooser::getBackground()
{
return bg_color;
}
//----------------------------------------------------------------------
// class Brushes
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class Brushes : public finalcut::FWidget
2017-03-19 17:18:07 +01:00
{
2017-09-11 03:06:02 +02:00
public:
// Constructor
explicit Brushes (finalcut::FWidget* = 0);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Destructor
~Brushes();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Accessor
wchar_t getBrush();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Mutators
void setForeground (short);
void setBackground (short);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
private:
// Disable copy constructor
Brushes (const Brushes&);
// Disable assignment operator (=)
Brushes& operator = (const Brushes&);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Method
void draw();
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Event handler
void onMouseDown (finalcut::FMouseEvent*);
2017-03-19 17:18:07 +01:00
2017-09-11 03:06:02 +02:00
// Data Members
wchar_t brush;
short fg_color;
short bg_color;
2017-03-19 17:18:07 +01:00
};
#pragma pack(pop)
//----------------------------------------------------------------------
Brushes::Brushes (finalcut::FWidget* parent)
2017-03-19 17:18:07 +01:00
: FWidget(parent)
, brush(L' ')
, fg_color(finalcut::fc::White)
, bg_color(finalcut::fc::Black)
2017-03-19 17:18:07 +01:00
{
setSize (8, 4);
setFixedSize (8, 4);
unsetFocusable();
if ( parent )
{
setForegroundColor(parent->getForegroundColor());
setBackgroundColor(parent->getBackgroundColor());
}
// Text label
finalcut::FLabel* headline = new finalcut::FLabel (this);
2017-03-19 17:18:07 +01:00
headline->setGeometry(1, 1, 8, 1);
headline->setEmphasis();
headline->setAlignment (finalcut::fc::alignCenter);
*headline << "Brush";
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
Brushes::~Brushes()
{ }
//----------------------------------------------------------------------
void Brushes::draw()
{
int pos;
setColor();
finalcut::FWidget::drawBorder (1, 2, 8, 4);
2017-03-19 17:18:07 +01:00
setColor (fg_color, bg_color);
setPrintPos (2, 3);
print(" ");
print(finalcut::FString(3, wchar_t(finalcut::fc::MediumShade)));
2017-03-19 17:18:07 +01:00
if ( brush == L' ' )
pos = 0;
else
pos = 3;
setColor();
setPrintPos (3 + pos, 2);
print(wchar_t(finalcut::fc::BlackDownPointingTriangle));
2017-03-19 17:18:07 +01:00
setPrintPos (3 + pos, 4);
print(wchar_t(finalcut::fc::BlackUpPointingTriangle));
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
void Brushes::onMouseDown (finalcut::FMouseEvent* ev)
2017-03-19 17:18:07 +01:00
{
int mouse_x = ev->getX();
int mouse_y = ev->getY();
if ( ev->getButton() != finalcut::fc::LeftButton )
2017-03-19 17:18:07 +01:00
return;
if ( mouse_x >= 2 && mouse_x <= 4 && mouse_y == 3 )
{
brush = L' ';
redraw();
}
else if ( mouse_x >= 5 && mouse_x <= 7 && mouse_y == 3 )
{
brush = wchar_t(finalcut::fc::MediumShade);
2017-03-19 17:18:07 +01:00
redraw();
}
}
//----------------------------------------------------------------------
inline wchar_t Brushes::getBrush()
{
return brush;
}
//----------------------------------------------------------------------
inline void Brushes::setForeground (short color)
{
fg_color = color;
}
//----------------------------------------------------------------------
inline void Brushes::setBackground (short color)
{
bg_color = color;
}
//----------------------------------------------------------------------
// class MouseDraw
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class MouseDraw : public finalcut::FDialog
2017-03-19 17:18:07 +01:00
{
2017-09-11 03:06:02 +02:00
public:
// Using-declaration
using FWidget::setGeometry;
// Constructor
explicit MouseDraw (finalcut::FWidget* = 0);
2017-09-11 03:06:02 +02:00
// Destructor
~MouseDraw();
// Methods
void setGeometry (int, int, int, int, bool = true);
// Event handlers
void onAccel (finalcut::FAccelEvent*);
void onClose (finalcut::FCloseEvent*);
2017-09-11 03:06:02 +02:00
private:
// Disable copy constructor
MouseDraw (const MouseDraw&);
// Disable assignment operator (=)
MouseDraw& operator = (const MouseDraw&);
// Methods
virtual void draw();
void drawBrush (int, int, bool = false);
void drawCanvas();
void adjustSize();
// Event handler
void onMouseDown (finalcut::FMouseEvent*);
void onMouseMove (finalcut::FMouseEvent*);
2017-09-11 03:06:02 +02:00
// Callback methods
void cb_colorChanged (finalcut::FWidget*, data_ptr);
2017-09-11 03:06:02 +02:00
// Data Members
term_area* canvas;
ColorChooser* c_chooser;
Brushes* brush;
2017-03-19 17:18:07 +01:00
};
#pragma pack(pop)
//----------------------------------------------------------------------
MouseDraw::MouseDraw (finalcut::FWidget* parent)
: finalcut::FDialog(parent)
2017-03-19 17:18:07 +01:00
, canvas(0)
, c_chooser()
, brush()
{
setText ("Drawing with the mouse");
c_chooser = new ColorChooser(this);
2017-09-11 03:06:02 +02:00
c_chooser->setPos (1, 1);
2017-03-19 17:18:07 +01:00
c_chooser->addCallback
(
"clicked",
F_METHOD_CALLBACK (this, &MouseDraw::cb_colorChanged)
2017-03-19 17:18:07 +01:00
);
brush = new Brushes(this);
2017-09-11 03:06:02 +02:00
brush->setPos (1, 12);
2017-03-19 17:18:07 +01:00
finalcut::FPoint no_shadow(0,0);
finalcut::FRect scroll_geometry(0, 0, 1, 1);
2017-03-19 17:18:07 +01:00
createArea (scroll_geometry, no_shadow, canvas);
}
//----------------------------------------------------------------------
MouseDraw::~MouseDraw()
{ }
//----------------------------------------------------------------------
void MouseDraw::setGeometry (int x, int y, int w, int h, bool adjust)
{
int old_w, old_h;
finalcut::FDialog::setGeometry (x, y, w, h, adjust);
2017-03-19 17:18:07 +01:00
finalcut::FPoint no_shadow(0,0);
finalcut::FRect scroll_geometry (0, 0, w - 11, h - 3);
2017-03-19 17:18:07 +01:00
old_w = canvas->width;
old_h = canvas->height;
resizeArea (scroll_geometry, no_shadow, canvas);
if ( old_w != canvas->width || old_h != canvas->height )
{
setColor(getForegroundColor(), getBackgroundColor());
clearArea (canvas, ' ');
}
}
//----------------------------------------------------------------------
void MouseDraw::onAccel (finalcut::FAccelEvent* ev)
2017-03-19 17:18:07 +01:00
{
close();
ev->accept();
}
//----------------------------------------------------------------------
void MouseDraw::onClose (finalcut::FCloseEvent* ev)
2017-03-19 17:18:07 +01:00
{
finalcut::FApplication::closeConfirmationDialog (this, ev);
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
void MouseDraw::draw()
{
int y_max = getHeight();
finalcut::FDialog::draw();
2017-03-19 17:18:07 +01:00
setColor();
2017-11-03 05:04:27 +01:00
if ( isNewFont() )
{
for (int y = 2; y < y_max; y++)
{
setPrintPos (10, y);
print (wchar_t(finalcut::fc::NF_rev_border_line_right));
2017-11-03 05:04:27 +01:00
}
2017-03-19 17:18:07 +01:00
2017-11-03 05:04:27 +01:00
setPrintPos (10, y_max);
print (wchar_t(finalcut::fc::NF_rev_border_corner_lower_right));
2017-11-03 05:04:27 +01:00
}
else
2017-03-19 17:18:07 +01:00
{
2017-11-03 05:04:27 +01:00
setPrintPos (10, 2);
print (wchar_t(finalcut::fc::BoxDrawingsDownAndHorizontal));
2017-11-03 05:04:27 +01:00
for (int y = 3; y < y_max; y++)
{
setPrintPos (10, y);
print (wchar_t(finalcut::fc::BoxDrawingsVertical));
2017-11-03 05:04:27 +01:00
}
setPrintPos (10, y_max);
print (wchar_t(finalcut::fc::BoxDrawingsUpAndHorizontal));
2017-03-19 17:18:07 +01:00
}
drawCanvas();
}
//----------------------------------------------------------------------
void MouseDraw::drawBrush (int x, int y, bool swap_color)
{
int Cols = getWidth();
int Lines = getHeight();
if ( x > 10 && x < Cols && y > 2 && y < Lines )
{
if ( swap_color )
setColor (c_chooser->getBackground(), c_chooser->getForeground());
else
setColor (c_chooser->getForeground(), c_chooser->getBackground());
// set canvas print cursor position
canvas->cursor_x = x - canvas->offset_left - 10;
canvas->cursor_y = y - canvas->offset_top - 2;
// print on canvas
print (canvas, brush->getBrush());
// copy canvas to the dialog
drawCanvas();
}
}
//----------------------------------------------------------------------
void MouseDraw::drawCanvas()
{
if ( ! hasPrintArea() )
finalcut::FVTerm::getPrintArea();
2017-03-19 17:18:07 +01:00
if ( ! (hasPrintArea() && canvas) )
return;
int ax = 9 + getTermX() - print_area->offset_left
, ay = 1 + getTermY() - print_area->offset_top
, y_end = canvas->height
, x_end = canvas->width
, w_line_len = print_area->width + print_area->right_shadow;
2017-03-19 17:18:07 +01:00
for (int y = 0; y < y_end; y++) // line loop
2017-03-19 17:18:07 +01:00
{
2018-09-02 03:57:57 +02:00
charData* canvaschar; // canvas character
charData* winchar; // window character
canvaschar = &canvas->text[y * x_end];
winchar = &print_area->text[(ay + y) * w_line_len + ax];
std::memcpy (winchar, canvaschar, sizeof(charData) * unsigned(x_end));
2017-03-19 17:18:07 +01:00
if ( short(print_area->changes[ay + y].xmin) > ax )
print_area->changes[ay + y].xmin = uInt(ax);
2017-03-19 17:18:07 +01:00
if ( short(print_area->changes[ay + y].xmax) < ax + x_end - 1 )
print_area->changes[ay + y].xmax = uInt(ax + x_end - 1);
2017-03-19 17:18:07 +01:00
}
print_area->has_changes = true;
}
//----------------------------------------------------------------------
void MouseDraw::adjustSize()
{
int w = 60
, h = 18
, x = 1 + (getParentWidget()->getWidth() - w) / 2
, y = 1 + (getParentWidget()->getHeight() - h) / 2;
2017-03-19 17:18:07 +01:00
setGeometry (x, y, w, h, false);
finalcut::FDialog::adjustSize();
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
void MouseDraw::onMouseDown (finalcut::FMouseEvent* ev)
2017-03-19 17:18:07 +01:00
{
finalcut::FDialog::onMouseDown(ev);
2017-03-19 17:18:07 +01:00
if ( ev->getButton() != finalcut::fc::LeftButton
&& ev->getButton() != finalcut::fc::RightButton )
2017-03-19 17:18:07 +01:00
return;
drawBrush ( ev->getX()
, ev->getY()
, ev->getButton() == finalcut::fc::RightButton );
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
void MouseDraw::onMouseMove (finalcut::FMouseEvent* ev)
2017-03-19 17:18:07 +01:00
{
FDialog::onMouseMove(ev);
if ( ev->getButton() != finalcut::fc::LeftButton
&& ev->getButton() != finalcut::fc::RightButton )
2017-03-19 17:18:07 +01:00
return;
drawBrush ( ev->getX()
, ev->getY()
, ev->getButton() == finalcut::fc::RightButton);
2017-03-19 17:18:07 +01:00
}
//----------------------------------------------------------------------
void MouseDraw::cb_colorChanged (finalcut::FWidget*, data_ptr)
2017-03-19 17:18:07 +01:00
{
brush->setForeground (c_chooser->getForeground());
brush->setBackground (c_chooser->getBackground());
brush->redraw();
}
2017-03-17 23:22:13 +01:00
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------
int main (int argc, char* argv[])
{
// Create the application object
finalcut::FApplication app(argc, argv);
2017-03-17 23:22:13 +01:00
// Create a simple dialog box
2017-03-19 17:18:07 +01:00
MouseDraw mouse_draw(&app);
2017-03-17 23:22:13 +01:00
mouse_draw.setGeometry (12, 4, 60, 18);
2017-03-19 17:18:07 +01:00
mouse_draw.addAccelerator('q'); // press 'q' to quit
2017-03-17 23:22:13 +01:00
// Set dialog object mouse_draw as main widget
2017-03-17 23:22:13 +01:00
app.setMainWidget(&mouse_draw);
// Show and start the application
2017-03-17 23:22:13 +01:00
mouse_draw.show();
return app.exec();
}