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Add debugging feature to restore text palette

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This commit is contained in:
Ray Strode 2008-07-09 17:36:44 -04:00
parent 86c642baca
commit d10b3eb6da
1 changed files with 41 additions and 34 deletions
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75
src/libplybootsplash/ply-window.c
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@ -45,6 +45,7 @@
#include "ply-logger.h"
#include "ply-utils.h"
#define KEY_CTRL_P ('\100' ^'P')
#define KEY_CTRL_T ('\100' ^'T')
#define KEY_CTRL_U ('\100' ^'U')
#define KEY_CTRL_W ('\100' ^'W')
@ -143,6 +144,40 @@ ply_window_new (int vt_number)
return window;
}
static bool
ply_window_look_up_color_palette (ply_window_t *window)
{
if (ioctl (window->tty_fd, GIO_CMAP, window->color_palette) < 0)
return false;
return true;
}
static bool
ply_window_change_color_palette (ply_window_t *window)
{
if (ioctl (window->tty_fd, PIO_CMAP, window->color_palette) < 0)
return false;
return true;
}
static void
ply_window_save_color_palette (ply_window_t *window)
{
memcpy (window->original_color_palette, window->color_palette,
TEXT_PALETTE_SIZE);
}
static void
ply_window_restore_color_palette (ply_window_t *window)
{
memcpy (window->color_palette, window->original_color_palette,
TEXT_PALETTE_SIZE);
ply_window_change_color_palette (window);
}
static void
process_backspace (ply_window_t *window)
{
@ -188,6 +223,12 @@ process_keyboard_input (ply_window_t *window,
{
switch (key)
{
case KEY_CTRL_P:
ply_trace ("restore text palette to original value!");
ply_window_restore_color_palette (window);
return;
case KEY_CTRL_T:
ply_trace ("toggle text mode!");
window->should_force_text_mode = !window->should_force_text_mode;
@ -362,40 +403,6 @@ ply_window_look_up_geometry (ply_window_t *window)
return true;
}
static bool
ply_window_look_up_color_palette (ply_window_t *window)
{
if (ioctl (window->tty_fd, GIO_CMAP, window->color_palette) < 0)
return false;
return true;
}
static bool
ply_window_change_color_palette (ply_window_t *window)
{
if (ioctl (window->tty_fd, PIO_CMAP, window->color_palette) < 0)
return false;
return true;
}
static void
ply_window_save_color_palette (ply_window_t *window)
{
memcpy (window->original_color_palette, window->color_palette,
TEXT_PALETTE_SIZE);
}
static void
ply_window_restore_color_palette (ply_window_t *window)
{
memcpy (window->color_palette, window->original_color_palette,
TEXT_PALETTE_SIZE);
ply_window_change_color_palette (window);
}
bool
ply_window_open (ply_window_t *window)
{