tweaking pandora frontend

[libpicofe.git] / linux / oshide.c

diff --git a/linux/x11h.c b/linux/oshide.c
similarity index 64%
rename from linux/x11h.c
rename to linux/oshide.c
index 4ca5d30..e66aaae 100644 (file)
--- a/linux/x11h.c
+++ b/linux/oshide.c
@@ -1,10 +1,22 @@
 #include <stdio.h>
 #include <string.h>
 #include <pthread.h>
+
 #include <dlfcn.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <linux/kd.h>
+
+#define PFX "oshide: "
+#define TERMIOS_DUMP_FILE "/tmp/pico_tios"
+
 #define FPTR(f) typeof(f) * p##f
 #define FPTR_LINK(xf, dl, f) { \
        xf.p##f = dlsym(dl, #f); \
@@ -92,13 +104,9 @@ static void *x11h_handler(void *arg)
 
        visual = DefaultVisual(display, 0);
        if (visual->class != TrueColor)
-       {
-               fprintf(stderr, "cannot handle non true color visual\n");
-               xf.pXCloseDisplay(display);
-               goto fail2;
-       }
+               fprintf(stderr, PFX "warning: non true color visual\n");
 
-       printf("x11h: X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
+       printf(PFX "X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
                VendorRelease(display), DisplayString(display), ProtocolVersion(display),
                ProtocolRevision(display));
 
@@ -106,7 +114,7 @@ static void *x11h_handler(void *arg)
 
        display_width = DisplayWidth(display, screen);
        display_height = DisplayHeight(display, screen);
-       printf("x11h: display is %dx%d\n", display_width, display_height);
+       printf(PFX "display is %dx%d\n", display_width, display_height);
 
        win = xf.pXCreateSimpleWindow(display,
                        RootWindow(display, screen),
@@ -155,21 +163,103 @@ fail:
        return NULL;
 }
 
-int x11h_init(void)
+static struct termios g_kbd_termios_saved;
+static int g_kbdfd;
+
+static void hidecon_start(void)
+{
+       struct termios kbd_termios;
+       FILE *tios_f;
+       int mode;
+
+       g_kbdfd = open("/dev/tty", O_RDWR);
+       if (g_kbdfd == -1) {
+               perror(PFX "open /dev/tty");
+               return;
+       }
+
+       if (ioctl(g_kbdfd, KDGETMODE, &mode) == -1) {
+               perror(PFX "(not hiding FB): KDGETMODE");
+               goto fail;
+       }
+
+       if (tcgetattr(g_kbdfd, &kbd_termios) == -1) {
+               perror(PFX "tcgetattr");
+               goto fail;
+       }
+
+       /* dump for picorestore */
+       g_kbd_termios_saved = kbd_termios;
+       tios_f = fopen(TERMIOS_DUMP_FILE, "wb");
+       if (tios_f) {
+               fwrite(&kbd_termios, sizeof(kbd_termios), 1, tios_f);
+               fclose(tios_f);
+       }
+
+       kbd_termios.c_lflag &= ~(ICANON | ECHO); // | ISIG);
+       kbd_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
+       kbd_termios.c_cc[VMIN] = 0;
+       kbd_termios.c_cc[VTIME] = 0;
+
+       if (tcsetattr(g_kbdfd, TCSAFLUSH, &kbd_termios) == -1) {
+               perror(PFX "tcsetattr");
+               goto fail;
+       }
+
+       if (ioctl(g_kbdfd, KDSETMODE, KD_GRAPHICS) == -1) {
+               perror(PFX "KDSETMODE KD_GRAPHICS");
+               tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved);
+               goto fail;
+       }
+
+       return;
+
+fail:
+       close(g_kbdfd);
+       g_kbdfd = -1;
+}
+
+static void hidecon_end(void)
+{
+       if (g_kbdfd < 0)
+               return;
+
+       if (ioctl(g_kbdfd, KDSETMODE, KD_TEXT) == -1)
+               perror(PFX "KDSETMODE KD_TEXT");
+
+       if (tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved) == -1)
+               perror(PFX "tcsetattr");
+
+       remove(TERMIOS_DUMP_FILE);
+
+       close(g_kbdfd);
+       g_kbdfd = -1;
+}
+
+int oshide_init(void)
 {
        pthread_t tid;
        int ret;
 
        ret = pthread_create(&tid, NULL, x11h_handler, NULL);
        if (ret != 0) {
-               fprintf(stderr, "x11h: failed to create thread: %d\n", ret);
+               fprintf(stderr, PFX "failed to create thread: %d\n", ret);
                return ret;
        }
        pthread_detach(tid);
 
+       hidecon_start();
+
        return 0;
 }
 
+void oshide_finish(void)
+{
+       /* XXX: the X thread.. */
+
+       hidecon_end();
+}
+
 #if 0
 int main()
 {