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Better default color handling

This commit is contained in:
Markus Gans 2016-01-10 00:56:52 +01:00
parent db463c686f
commit 9bc6ec6f96
12 changed files with 197 additions and 63 deletions
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3
ChangeLog
View File

@ -1,3 +1,6 @@
2016-01-10 Markus Gans <guru.mail@muenster.de>
* Better default color handling in FOptiAttr
2016-01-07 Markus Gans <guru.mail@muenster.de>
* Add the new class FOptiAttr to control video attributes and colors
for output on terminals

6
doc/TODO
View File

@ -4,7 +4,11 @@ Bugs
Improvements
~~~~~~~~~~~~
-
- Every OSC sequence ("\033]") should have been a special prefix and
postfix sequence for screen and tmux:
screen = "\033P" + OSC + control sequence + "\a\033\\"
tmux = "\033Ptmux:\033" + OSC + control sequence + "\033\\"
Missing Features
~~~~~~~~~~~~~~~~

15
src/fbutton.cpp
View File

@ -412,13 +412,15 @@ void FButton::setBackgroundColor (short color)
//----------------------------------------------------------------------
void FButton::setHotkeyForegroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
button_hotkey_fg = color;
}
void FButton::setFocusForegroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
button_focus_fg = color;
updateButtonColor();
}
@ -426,7 +428,8 @@ void FButton::setFocusForegroundColor (short color)
//----------------------------------------------------------------------
void FButton::setFocusBackgroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
button_focus_bg = color;
updateButtonColor();
}
@ -434,7 +437,8 @@ void FButton::setFocusBackgroundColor (short color)
//----------------------------------------------------------------------
void FButton::setInactiveForegroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
button_inactive_fg = color;
updateButtonColor();
}
@ -442,7 +446,8 @@ void FButton::setInactiveForegroundColor (short color)
//----------------------------------------------------------------------
void FButton::setInactiveBackgroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
button_inactive_bg = color;
updateButtonColor();
}

79
src/foptiattr.cpp
View File

@ -44,8 +44,11 @@ FOptiAttr::FOptiAttr()
, F_set_foreground()
, F_set_background()
, F_set_color_pair()
, F_orig_pair()
, F_orig_colors()
, max_color(1)
, attr_without_color(0)
, ansi_default_color(false)
, monochron(true)
, fake_reverse(false)
, cygwin_terminal(false)
@ -82,8 +85,8 @@ inline bool FOptiAttr::colorChange (char_data*& term, char_data*& next)
//----------------------------------------------------------------------
inline void FOptiAttr::resetColor (char_data*& attr)
{
attr->fg_color = -1;
attr->bg_color = -1;
attr->fg_color = Default;
attr->bg_color = Default;
}
//----------------------------------------------------------------------
@ -194,17 +197,34 @@ void FOptiAttr::change_color (char_data*& term, char_data*& next)
if ( monochron )
return;
if ( fg == -1 && term->fg_color != -1 )
if ( fg == Default || bg == Default )
{
if ( ansi_default_color )
{
if ( fg == Default && term->fg_color != Default
&& bg == Default && term->bg_color != Default )
{
setTermDefaultColor(term);
}
else if ( fg == Default && term->fg_color != Default )
{
char* sgr_39 = const_cast<char*>("\033[39m");
append_sequence (sgr_39);
term->fg_color = next->fg_color;
term->fg_color = Default;
}
if ( bg == -1 && term->bg_color != -1 )
else if ( bg == Default && term->bg_color != Default )
{
char* sgr_49 = const_cast<char*>("\033[49m");
append_sequence (sgr_49);
term->bg_color = next->bg_color;
term->bg_color = Default;
}
}
else if ( ! setTermDefaultColor(term) )
{
// fallback to gray on black
fg = next->fg_color = LightGray;
bg = next->bg_color = Black;
}
}
if ( ! fake_reverse && fg < 0 && bg < 0 )
@ -777,6 +797,33 @@ inline bool FOptiAttr::unsetTermPCcharset (char_data*& term)
return false;
}
//----------------------------------------------------------------------
bool FOptiAttr::setTermDefaultColor (char_data*& term)
{
if ( append_sequence(F_orig_pair.cap) )
{
term->fg_color = Default;
term->bg_color = Default;
return true;
}
else if ( append_sequence(F_orig_colors.cap) )
{
term->fg_color = Default;
term->bg_color = Default;
return true;
}
else if ( ansi_default_color )
{
char* sgr_39_49 = const_cast<char*>("\033[39;49m");
append_sequence (sgr_39_49);
term->fg_color = Default;
term->bg_color = Default;
return true;
}
else
return false;
}
// public methods of FOptiAttr
//----------------------------------------------------------------------
@ -1144,6 +1191,26 @@ void FOptiAttr::set_term_color_pair (char*& cap)
}
}
//----------------------------------------------------------------------
void FOptiAttr::set_orig_pair (char*& cap)
{
if ( cap )
{
F_orig_pair.cap = cap;
F_orig_pair.caused_reset = false;
}
}
//----------------------------------------------------------------------
void FOptiAttr::set_orig_orig_colors (char*& cap)
{
if ( cap )
{
F_orig_colors.cap = cap;
F_orig_colors.caused_reset = false;
}
}
//----------------------------------------------------------------------
void FOptiAttr::init()
{

18
src/foptiattr.h
View File

@ -40,6 +40,13 @@ class FOptiAttr
all_tests = 0x1f
};
enum default_color
{
Default = -1,
Black = 0,
LightGray = 7
};
typedef struct
{
char* cap;
@ -79,9 +86,12 @@ class FOptiAttr
capability F_set_foreground;
capability F_set_background;
capability F_set_color_pair;
capability F_orig_pair;
capability F_orig_colors;
int max_color;
int attr_without_color;
bool ansi_default_color;
bool monochron;
bool fake_reverse;
bool cygwin_terminal;
@ -164,6 +174,7 @@ class FOptiAttr
bool unsetTermAltCharset (char_data*&);
bool setTermPCcharset (char_data*&);
bool unsetTermPCcharset (char_data*&);
bool setTermDefaultColor (char_data*&);
public:
explicit FOptiAttr(); // constructor
@ -173,6 +184,7 @@ class FOptiAttr
void setMaxColor (int&);
void setNoColorVideo (int);
void setDefaultColorSupport();
void setCygwinTerminal();
void set_enter_bold_mode (char*&);
void set_exit_bold_mode (char*&);
@ -207,6 +219,8 @@ class FOptiAttr
void set_foreground_color (char*&);
void set_background_color (char*&);
void set_term_color_pair (char*&);
void set_orig_pair (char*&);
void set_orig_orig_colors (char*&);
void init();
char* change_attribute (char_data*&, char_data*&);
@ -226,6 +240,10 @@ inline void FOptiAttr::setMaxColor (int& c)
inline void FOptiAttr::setNoColorVideo (int attr)
{ attr_without_color = attr; }
//----------------------------------------------------------------------
inline void FOptiAttr::setDefaultColorSupport()
{ ansi_default_color = true; }
//----------------------------------------------------------------------
inline void FOptiAttr::setCygwinTerminal()
{ cygwin_terminal = true; }

2
src/ftcap_map.h
View File

@ -110,7 +110,7 @@ static tcap_map tcap[] =
* to the number of lines affected
* (#i) indicates the ith parameter.
*
* "XX", "Us" and "Ue" are unofficial and are only used here.
* "XX", "Us" and "Ue" are unofficial and they are only used here.
*/
enum termcaps

67
src/fterm.cpp
View File

@ -48,6 +48,7 @@ bool FTerm::background_color_erase;
bool FTerm::automatic_left_margin;
bool FTerm::automatic_right_margin;
bool FTerm::eat_nl_glitch;
bool FTerm::ansi_default_color;
bool FTerm::xterm;
bool FTerm::rxvt_terminal;
bool FTerm::urxvt_terminal;
@ -75,6 +76,7 @@ bool FTerm::ascii_console;
bool FTerm::NewFont;
bool FTerm::VGAFont;
bool FTerm::cursor_optimisation;
bool FTerm::osc_support;
uChar FTerm::x11_button_state;
termios FTerm::term_init;
@ -1071,6 +1073,13 @@ void FTerm::init_termcaps()
// newline ignored after 80 cols
eat_nl_glitch = tgetflag(const_cast<char*>("xn"));
// terminal supports ANSI set default fg and bg color
ansi_default_color = tgetflag(const_cast<char*>("AX"));
// terminal supports operating system commands (OSC)
// OSC = Esc + ]
osc_support = tgetflag(const_cast<char*>("XT"));
if ( isTeraTerm() )
eat_nl_glitch = true;
@ -1364,7 +1373,11 @@ void FTerm::init_termcaps()
opti_attr->set_foreground_color (tcap[t_set_foreground].string);
opti_attr->set_background_color (tcap[t_set_background].string);
opti_attr->set_term_color_pair (tcap[t_set_color_pair].string);
opti_attr->set_orig_pair (tcap[t_orig_pair].string);
opti_attr->set_orig_orig_colors (tcap[t_orig_colors].string);
opti_attr->setMaxColor (max_color);
if ( ansi_default_color )
opti_attr->setDefaultColorSupport();
if ( cygwin_terminal )
opti_attr->setCygwinTerminal();
opti_attr->init();
@ -1469,8 +1482,8 @@ void FTerm::init()
background_color_erase = false;
term_attribute.code = '\0';
term_attribute.fg_color = -1;
term_attribute.bg_color = -1;
term_attribute.fg_color = fc::Default;
term_attribute.bg_color = fc::Default;
term_attribute.bold = \
term_attribute.dim = \
term_attribute.italic = \
@ -1486,8 +1499,8 @@ void FTerm::init()
term_attribute.pc_charset = false;
next_attribute.code = '\0';
next_attribute.fg_color = -1;
next_attribute.bg_color = -1;
next_attribute.fg_color = fc::Default;
next_attribute.bg_color = fc::Default;
next_attribute.bold = \
next_attribute.dim = \
next_attribute.italic = \
@ -2032,8 +2045,8 @@ void FTerm::resizeArea (term_area* area)
area->bottom_shadow = bsh;
default_char.code = ' ';
default_char.fg_color = fc::Black;
default_char.bg_color = fc::Black;
default_char.fg_color = fc::Default;
default_char.bg_color = fc::Default;
default_char.bold = 0;
default_char.dim = 0;
default_char.italic = 0;
@ -2531,7 +2544,7 @@ bool FTerm::setVGAFont()
VGAFont = true;
if ( xterm )
if ( xterm || osc_support )
{
// Set font in xterm to vga
putstring("\033]50;vga\07");
@ -2585,7 +2598,7 @@ bool FTerm::setNewFont()
if ( NewFont )
return true;
if ( xterm || urxvt_terminal )
if ( xterm || urxvt_terminal || osc_support )
{
NewFont = true;
// Set font in xterm to 8x16graph
@ -2644,7 +2657,7 @@ bool FTerm::setOldFont()
NewFont = \
VGAFont = false;
if ( xterm || urxvt_terminal )
if ( xterm || urxvt_terminal || osc_support )
{
if ( xterm_font->getLength() > 2 )
// restore saved xterm font
@ -2790,8 +2803,8 @@ void FTerm::resizeVTerm()
vterm->height = term_height;
default_char.code = ' ';
default_char.fg_color = fc::LightGray;
default_char.bg_color = fc::Black;
default_char.fg_color = fc::Default;
default_char.bg_color = fc::Default;
default_char.bold = 0;
default_char.dim = 0;
default_char.italic = 0;
@ -2919,7 +2932,7 @@ void FTerm::updateTerminal()
void FTerm::setKDECursor (fc::kde_konsole_CursorShape style)
{
// Set cursor style in KDE konsole
if ( kde_konsole )
if ( kde_konsole || osc_support )
{
putstringf ("\033]50;CursorShape=%d\007", style);
fflush(stdout);
@ -2931,7 +2944,7 @@ FString FTerm::getXTermFont()
{
FString font("");
if ( raw_mode && non_blocking_stdin )
if ( raw_mode && non_blocking_stdin && osc_support )
{
int n;
char temp[150] = {};
@ -2996,7 +3009,7 @@ void FTerm::setXTermCursorStyle(fc::xterm_cursor_style style)
void FTerm::setXTermTitle (const FString& title)
{
// Set the xterm title
if ( xterm || mintty_terminal || putty_terminal )
if ( xterm || mintty_terminal || putty_terminal || osc_support )
{
putstringf ("\033]0;%s\07", title.c_str());
fflush(stdout);
@ -3007,7 +3020,7 @@ void FTerm::setXTermTitle (const FString& title)
void FTerm::setXTermForeground (const FString& fg)
{
// Set the VT100 text foreground color
if ( xterm || mintty_terminal || mlterm_terminal )
if ( xterm || mintty_terminal || mlterm_terminal || osc_support )
{
putstringf ("\033]10;%s\07", fg.c_str());
fflush(stdout);
@ -3018,7 +3031,7 @@ void FTerm::setXTermForeground (const FString& fg)
void FTerm::setXTermBackground (const FString& bg)
{
// Set the VT100 text background color
if ( xterm || mintty_terminal || mlterm_terminal )
if ( xterm || mintty_terminal || mlterm_terminal || osc_support )
{
putstringf ("\033]11;%s\07", bg.c_str());
fflush(stdout);
@ -3029,7 +3042,7 @@ void FTerm::setXTermBackground (const FString& bg)
void FTerm::setXTermCursorColor (const FString& cc)
{
// Set the text cursor color
if ( xterm || mintty_terminal || urxvt_terminal )
if ( xterm || mintty_terminal || urxvt_terminal || osc_support )
{
putstringf ("\033]12;%s\07", cc.c_str());
fflush(stdout);
@ -3040,7 +3053,7 @@ void FTerm::setXTermCursorColor (const FString& cc)
void FTerm::setXTermMouseForeground (const FString& mfg)
{
// Set the mouse foreground color
if ( xterm || urxvt_terminal )
if ( xterm || urxvt_terminal || osc_support )
{
putstringf ("\033]13;%s\07", mfg.c_str());
fflush(stdout);
@ -3051,7 +3064,7 @@ void FTerm::setXTermMouseForeground (const FString& mfg)
void FTerm::setXTermMouseBackground (const FString& mbg)
{
// Set the mouse background color
if ( xterm )
if ( xterm || osc_support )
{
putstringf ("\033]14;%s\07", mbg.c_str());
fflush(stdout);
@ -3062,7 +3075,7 @@ void FTerm::setXTermMouseBackground (const FString& mbg)
void FTerm::setXTermHighlightBackground (const FString& hbg)
{
// Set the highlight background color
if ( xterm || urxvt_terminal )
if ( xterm || urxvt_terminal || osc_support )
{
putstringf ("\033]17;%s\07", hbg.c_str());
fflush(stdout);
@ -3073,7 +3086,7 @@ void FTerm::setXTermHighlightBackground (const FString& hbg)
void FTerm::resetXTermColors()
{
// Reset the entire color table
if ( xterm )
if ( xterm || osc_support )
{
putstringf ("\033]104\07");
fflush(stdout);
@ -3084,7 +3097,7 @@ void FTerm::resetXTermColors()
void FTerm::resetXTermForeground()
{
// Reset the VT100 text foreground color
if ( xterm )
if ( xterm || osc_support )
{
putstring("\033]110\07");
fflush(stdout);
@ -3095,7 +3108,7 @@ void FTerm::resetXTermForeground()
void FTerm::resetXTermBackground()
{
// Reset the VT100 text background color
if ( xterm )
if ( xterm || osc_support )
{
putstring("\033]111\07");
fflush(stdout);
@ -3106,7 +3119,7 @@ void FTerm::resetXTermBackground()
void FTerm::resetXTermCursorColor()
{
// Reset the text cursor color
if ( xterm )
if ( xterm || osc_support )
{
putstring("\033]112\07");
fflush(stdout);
@ -3117,7 +3130,7 @@ void FTerm::resetXTermCursorColor()
void FTerm::resetXTermMouseForeground()
{
// Reset the mouse foreground color
if ( xterm )
if ( xterm || osc_support )
{
putstring("\033]113\07");
fflush(stdout);
@ -3128,7 +3141,7 @@ void FTerm::resetXTermMouseForeground()
void FTerm::resetXTermMouseBackground()
{
// Reset the mouse background color
if ( xterm )
if ( xterm || osc_support )
{
putstring("\033]114\07");
fflush(stdout);
@ -3139,7 +3152,7 @@ void FTerm::resetXTermMouseBackground()
void FTerm::resetXTermHighlightBackground()
{
// Reset the highlight background color
if ( xterm || urxvt_terminal )
if ( xterm || urxvt_terminal || osc_support )
{
putstringf ("\033]117\07");
fflush(stdout);

2
src/fterm.h
View File

@ -133,6 +133,8 @@ class FTerm
static bool automatic_left_margin;
static bool automatic_right_margin;
static bool eat_nl_glitch;
static bool ansi_default_color;
static bool osc_support;
static char termtype[30];
static char* term_name;
static char* locale_name;

10
src/fwidget.h
View File

@ -685,14 +685,16 @@ inline FPoint FWidget::globalToLocalPos (const FPoint& gPos)
//----------------------------------------------------------------------
inline void FWidget::setForegroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
foregroundColor = color;
}
//----------------------------------------------------------------------
inline void FWidget::setBackgroundColor (short color)
{
if ( color == -1 || color >> 8 == 0 ) // valid colors -1..254
// valid colors -1..254
if ( color == fc::Default || color >> 8 == 0 )
backgroundColor = color;
}
@ -807,8 +809,8 @@ inline void FWidget::setNormal()
next_attribute.alt_charset = \
next_attribute.pc_charset = false;
next_attribute.fg_color = -1;
next_attribute.bg_color = -1;
next_attribute.fg_color = fc::Default;
next_attribute.bg_color = fc::Default;
}
//----------------------------------------------------------------------

6
test/keyboard.cpp
View File

@ -22,8 +22,8 @@ keyboard::keyboard (FWidget* parent)
{
resetXTermForeground();
resetXTermBackground();
wc.term_fg = -1;
wc.term_bg = -1;
wc.term_fg = fc::Default;
wc.term_bg = fc::Default;
}
//----------------------------------------------------------------------
@ -44,7 +44,7 @@ void keyboard::onAccel (FAccelEvent* ev)
void keyboard::draw()
{
setNormal();
setColor(-1,-1);
setColor(fc::Default, fc::Default);
clrscr();
gotoxy (1,1);
print ("---------------\n");

32
test/term-attributes.cpp
View File

@ -26,13 +26,17 @@ class AttribDlg : public FDialog
AttribDlg& operator = (const AttribDlg&); // and operator '='
void adjustSize();
protected:
friend class AttribDemo;
public:
explicit AttribDlg (FWidget* = 0); // constructor
~AttribDlg(); // destructor
void onAccel (FAccelEvent*);
void onWheel (FWheelEvent*);
void onClose (FCloseEvent*);
void cb_next (FWidget*, void*);
void cb_back (FWidget*, void*);
void cb_next (FWidget* = 0, void* = 0);
void cb_back (FWidget* = 0, void* = 0);
};
#pragma pack(pop)
@ -82,6 +86,17 @@ void AttribDlg::onAccel (FAccelEvent* ev)
ev->accept();
}
//----------------------------------------------------------------------
void AttribDlg::onWheel (FWheelEvent* ev)
{
int wheel = ev->getWheel();
if ( wheel == WheelUp )
cb_next();
else if ( wheel == WheelDown )
cb_back();
}
//----------------------------------------------------------------------
void AttribDlg::onClose (FCloseEvent* ev)
{
@ -103,7 +118,7 @@ void AttribDlg::cb_next (FWidget*, void*)
return;
bgcolor++;
if ( bgcolor >= getMaxColor() )
bgcolor = -1;
bgcolor = fc::Default;
redraw();
}
@ -113,7 +128,7 @@ void AttribDlg::cb_back (FWidget*, void*)
if ( isMonochron() )
return;
bgcolor--;
if ( bgcolor < -1 )
if ( bgcolor < fc::Default )
bgcolor = short(getMaxColor() - 1);
redraw();
}
@ -152,6 +167,10 @@ class AttribDemo : public FWidget
explicit AttribDemo (FWidget* = 0); // constructor
~AttribDemo() // destructor
{ }
void onWheel (FWheelEvent* ev)
{
dynamic_cast<AttribDlg*>(parentWidget())->onWheel(ev);
}
};
#pragma pack(pop)
@ -189,9 +208,9 @@ void AttribDemo::printAltCharset()
gotoxy (xpos + xmin - 1, ypos + ymin - 1);
print("alternate charset: ");
if ( parent->bgcolor == -1 )
if ( parent->bgcolor == fc::Default )
{
setColor (-1,-1);
setColor (fc::Default, fc::Default);
}
else
{
@ -329,6 +348,7 @@ void AttribDemo::draw()
setUpdateVTerm(true);
}
//----------------------------------------------------------------------
// main part
//----------------------------------------------------------------------

6
test/timer.cpp
View File

@ -28,8 +28,8 @@ timer::timer (FWidget* parent)
resetXTermForeground();
resetXTermBackground();
wc.term_fg = -1;
wc.term_bg = -1;
wc.term_fg = fc::Default;
wc.term_bg = fc::Default;
}
//----------------------------------------------------------------------
@ -49,7 +49,7 @@ void timer::onAccel (FAccelEvent* ev)
void timer::draw()
{
setNormal();
setColor(-1,-1);
setColor (fc::Default, fc::Default);
clrscr();
gotoxy (1,1);
print ("---------------\n");