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ncurses: quick'n'dirty color support

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This commit is contained in:
Maxime Coste 2011-09-30 19:15:14 +00:00
parent e351acd997
commit 36c3bb6ae3
1 changed files with 49 additions and 0 deletions
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49
src/main.cc
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@ -9,6 +9,7 @@
#include "assert.hh" #include "assert.hh"
#include <unordered_map> #include <unordered_map>
#include <map>
#include <ncurses.h> #include <ncurses.h>
using namespace Kakoune; using namespace Kakoune;
@ -22,6 +23,51 @@ void set_attribute(int attribute, bool on)
attroff(attribute); attroff(attribute);
} }
int nc_color(Color color)
{
switch (color)
{
case Color::Black: return COLOR_BLACK;
case Color::Red: return COLOR_RED;
case Color::Green: return COLOR_GREEN;
case Color::Yellow: return COLOR_YELLOW;
case Color::Blue: return COLOR_BLUE;
case Color::Magenta: return COLOR_MAGENTA;
case Color::Cyan: return COLOR_CYAN;
case Color::White: return COLOR_WHITE;
case Color::Default:
default:
return COLOR_BLACK;
}
}
void set_color(Color fg_color, Color bg_color)
{
static std::map<std::pair<Color, Color>, int> colorpairs;
static int current_pair = -1;
static int next_pair = 0;
if (current_pair != -1)
attroff(COLOR_PAIR(current_pair));
std::pair<Color, Color> colorpair(fg_color, bg_color);
auto it = colorpairs.find(colorpair);
if (it != colorpairs.end())
{
current_pair = it->second;
attron(COLOR_PAIR(it->second));
}
else
{
init_pair(next_pair, nc_color(fg_color), nc_color(bg_color));
colorpairs[colorpair] = next_pair;
current_pair = next_pair;
attron(COLOR_PAIR(next_pair));
++next_pair;
}
}
void draw_window(Window& window) void draw_window(Window& window)
{ {
int max_x,max_y; int max_x,max_y;
@ -41,6 +87,8 @@ void draw_window(Window& window)
set_attribute(A_BLINK, atom.attribute & Blink); set_attribute(A_BLINK, atom.attribute & Blink);
set_attribute(A_BOLD, atom.attribute & Bold); set_attribute(A_BOLD, atom.attribute & Bold);
set_color(atom.fg_color, atom.bg_color);
size_t pos = 0; size_t pos = 0;
size_t end; size_t end;
while (true) while (true)
@ -89,6 +137,7 @@ void init_ncurses()
intrflush(stdscr, false); intrflush(stdscr, false);
keypad(stdscr, true); keypad(stdscr, true);
curs_set(2); curs_set(2);
start_color();
} }
void deinit_ncurses() void deinit_ncurses()