diff options
Diffstat (limited to 'gdk/linux-fb/gdkmain-fb.c')
| -rw-r--r-- | gdk/linux-fb/gdkmain-fb.c | 1652 |
1 files changed, 0 insertions, 1652 deletions
diff --git a/gdk/linux-fb/gdkmain-fb.c b/gdk/linux-fb/gdkmain-fb.c deleted file mode 100644 index 0242d80b07..0000000000 --- a/gdk/linux-fb/gdkmain-fb.c +++ /dev/null @@ -1,1652 +0,0 @@ -/* GDK - The GIMP Drawing Kit - * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald - * - * This library 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 2 of the License, or (at your option) any later version. - * - * This library 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 library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS - * file for a list of people on the GTK+ Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GTK+ at ftp://ftp.gtk.org/pub/gtk/. - */ - -#include <config.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/mman.h> -#include <sys/ioctl.h> -#include <ctype.h> -#include <stdio.h> -#include <time.h> -#include <stdlib.h> -#include <string.h> -#include <sys/vt.h> -#include <sys/kd.h> -#include <errno.h> -#include <signal.h> - -#include <sys/socket.h> -#include <sys/un.h> - -#include "gdk.h" - -#include "gdkprivate-fb.h" -#include "gdkinternals.h" -#include "gdkfbmanager.h" - -/* Private variable declarations - */ -static int gdk_initialized = 0; /* 1 if the library is initialized, - * 0 otherwise. - */ - -#ifdef G_ENABLE_DEBUG -static const GDebugKey gdk_debug_keys[] = { - {"misc", GDK_DEBUG_MISC}, - {"events", GDK_DEBUG_EVENTS}, -}; - -static const int gdk_ndebug_keys = sizeof(gdk_debug_keys)/sizeof(GDebugKey); - -#endif /* G_ENABLE_DEBUG */ - -GOptionEntry _gdk_windowing_args[] = { - { NULL } -}; - -static const GScannerConfig fb_modes_scanner_config = -{ - ( - " \t\n" - ) /* cset_skip_characters */, - ( - G_CSET_a_2_z - G_CSET_A_2_Z - ) /* cset_identifier_first */, - ( - G_CSET_a_2_z - "_-0123456789" - G_CSET_A_2_Z - ) /* cset_identifier_nth */, - ( "#\n" ) /* cpair_comment_single */, - - FALSE /* case_sensitive */, - - FALSE /* skip_comment_multi */, - TRUE /* skip_comment_single */, - FALSE /* scan_comment_multi */, - TRUE /* scan_identifier */, - TRUE /* scan_identifier_1char */, - FALSE /* scan_identifier_NULL */, - TRUE /* scan_symbols */, - FALSE /* scan_binary */, - FALSE /* scan_octal */, - FALSE /* scan_float */, - FALSE /* scan_hex */, - FALSE /* scan_hex_dollar */, - FALSE /* scan_string_sq */, - TRUE /* scan_string_dq */, - TRUE /* numbers_2_int */, - FALSE /* int_2_float */, - FALSE /* identifier_2_string */, - TRUE /* char_2_token */, - FALSE /* symbol_2_token */, - FALSE /* scope_0_fallback */, -}; - -enum { - FB_MODE, - FB_ENDMODE, - FB_GEOMETRY, - FB_TIMINGS, - FB_LACED, - FB_HSYNC, - FB_VSYNC, - FB_CSYNC, - FB_EXTSYNC, - FB_DOUBLE, - FB_ACCEL -}; - -char *fb_modes_keywords[] = -{ - "mode", - "endmode", - "geometry", - "timings", - "laced", - "hsync", - "vsync", - "csync", - "extsync", - "double", - "accel" -}; - -static int -fb_modes_parse_mode (GScanner *scanner, - struct fb_var_screeninfo *modeinfo, - char *specified_modename) -{ - guint token; - int keyword; - int i; - char *modename; - int geometry[5]; - int timings[7]; - int vsync=0, hsync=0, csync=0, extsync=0, doublescan=0, laced=0, accel=1; - int found_geometry = 0; - int found_timings = 0; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_SYMBOL) - return -1; - - keyword = GPOINTER_TO_INT (scanner->value.v_symbol); - if (keyword != FB_MODE) - return -1; - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_STRING) - return -1; - - modename = g_strdup (scanner->value.v_string); - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_SYMBOL) - { - g_free (modename); - return -1; /* Not a valid keyword */ - } - keyword = GPOINTER_TO_INT (scanner->value.v_symbol); - while ( keyword != FB_ENDMODE ) - { - - switch (GPOINTER_TO_INT (scanner->value.v_symbol)) - { - case FB_GEOMETRY: - for (i = 0; i < 5;i++) { - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - { - g_free (modename); - return -1; /* need a integer */ - } - geometry[i] = scanner->value.v_int; - } - found_geometry = TRUE; - break; - case FB_TIMINGS: - for (i = 0; i < 7; i++) { - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_INT) - { - g_free (modename); - return -1; /* need a integer */ - } - timings[i] = scanner->value.v_int; - } - found_timings = TRUE; - break; - case FB_LACED: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "true")==0) - laced = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "false")==0) - laced = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_EXTSYNC: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "true")==0) - extsync = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "false")==0) - extsync = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_DOUBLE: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "true")==0) - doublescan = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "false")==0) - doublescan = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_VSYNC: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "high")==0) - vsync = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "low")==0) - vsync = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_HSYNC: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "high")==0) - hsync = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "low")==0) - hsync = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_CSYNC: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "high")==0) - csync = 1; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "low")==0) - csync = 0; - else - { - g_free (modename); - return -1; - } - break; - case FB_ACCEL: - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_IDENTIFIER) - { - g_free (modename); - return -1; - } - if (g_ascii_strcasecmp (scanner->value.v_identifier, "false")==0) - accel = 0; - else if (g_ascii_strcasecmp (scanner->value.v_identifier, "true")==0) - accel = 1; - else - { - g_free (modename); - return -1; - } - break; - } - - token = g_scanner_get_next_token (scanner); - if (token != G_TOKEN_SYMBOL) - { - g_free (modename); - return -1; /* Not a valid keyword */ - } - keyword = GPOINTER_TO_INT (scanner->value.v_symbol); - } - - if (strcmp (modename, specified_modename)== 0) { - /* we really should be parsing for rgba. regardless, if rgba isn't found, - * we can't assume that the original colors are valid for the new mode */ - memset (&modeinfo->red, 0, sizeof (modeinfo->red)); - memset (&modeinfo->green, 0, sizeof (modeinfo->green)); - memset (&modeinfo->blue, 0, sizeof (modeinfo->blue)); - memset (&modeinfo->transp, 0, sizeof (modeinfo->transp)); - - if (!found_geometry) - g_warning ("Geometry not specified"); - - if (found_geometry) - { - modeinfo->xres = geometry[0]; - modeinfo->yres = geometry[1]; - modeinfo->xres_virtual = geometry[2]; - modeinfo->yres_virtual = geometry[3]; - modeinfo->bits_per_pixel = geometry[4]; - } - - if (!found_timings) - g_warning ("Timing not specified"); - - if (found_timings) - { - modeinfo->pixclock = timings[0]; - modeinfo->left_margin = timings[1]; - modeinfo->right_margin = timings[2]; - modeinfo->upper_margin = timings[3]; - modeinfo->lower_margin = timings[4]; - modeinfo->hsync_len = timings[5]; - modeinfo->vsync_len = timings[6]; - - modeinfo->vmode = 0; - if (laced) - modeinfo->vmode |= FB_VMODE_INTERLACED; - if (doublescan) - modeinfo->vmode |= FB_VMODE_DOUBLE; - - modeinfo->sync = 0; - if (hsync) - modeinfo->sync |= FB_SYNC_HOR_HIGH_ACT; - if (vsync) - modeinfo->sync |= FB_SYNC_VERT_HIGH_ACT; - if (accel) - modeinfo->accel_flags = FB_ACCELF_TEXT; - else - modeinfo->accel_flags = 0; - } - - g_free (modename); - return 1; - } - - g_free (modename); - - return 0; -} - -static int -gdk_fb_setup_mode_from_name (struct fb_var_screeninfo *modeinfo, - char *modename) -{ - GScanner *scanner; - char *filename; - gint result; - int fd, i; - int retval; - - retval = 0; - - filename = "/etc/fb.modes"; - - fd = open (filename, O_RDONLY); - if (fd < 0) - { - g_warning ("Cannot read %s", filename); - return retval; - } - - scanner = g_scanner_new ((GScannerConfig *) &fb_modes_scanner_config); - scanner->input_name = filename; - - for (i = 0; i < sizeof(fb_modes_keywords)/sizeof(fb_modes_keywords[0]); i++) - g_scanner_scope_add_symbol (scanner, 0, fb_modes_keywords[i], GINT_TO_POINTER (i)); - - g_scanner_input_file (scanner, fd); - - while (1) { - if (g_scanner_peek_next_token (scanner) == G_TOKEN_EOF) { - break; - } - result = fb_modes_parse_mode (scanner, modeinfo, modename); - - if (result < 0) { - g_warning ("parse error in %s at line %d", filename, scanner->line); - break; - } - if (result > 0) - { - retval = 1; - break; - } - } - - g_scanner_destroy (scanner); - - close (fd); - - return retval; -} - - -static int -gdk_fb_set_mode (GdkFBDisplay *display) -{ - char *env, *end; - int depth, height, width; - gboolean changed; - - if (ioctl (display->fb_fd, FBIOGET_VSCREENINFO, &display->modeinfo) < 0) - return -1; - - display->orig_modeinfo = display->modeinfo; - - changed = FALSE; - - env = getenv ("GDK_DISPLAY_MODE"); - if (env) - { - if (gdk_fb_setup_mode_from_name (&display->modeinfo, env)) - changed = TRUE; - else - g_warning ("Couldn't find mode named '%s'", env); - } - - env = getenv ("GDK_DISPLAY_DEPTH"); - if (env) - { - depth = strtol (env, &end, 10); - if (env != end) - { - changed = TRUE; - display->modeinfo.bits_per_pixel = depth; - } - } - - env = getenv ("GDK_DISPLAY_WIDTH"); - if (env) - { - width = strtol (env, &end, 10); - if (env != end) - { - changed = TRUE; - display->modeinfo.xres = width; - display->modeinfo.xres_virtual = width; - } - } - - env = getenv ("GDK_DISPLAY_HEIGHT"); - if (env) - { - height = strtol (env, &end, 10); - if (env != end) - { - changed = TRUE; - display->modeinfo.yres = height; - display->modeinfo.yres_virtual = height; - } - } - - if (changed && - (ioctl (display->fb_fd, FBIOPUT_VSCREENINFO, &display->modeinfo) < 0)) - { - g_warning ("Couldn't set specified mode"); - return -1; - } - - /* ask for info back to make sure of what we got */ - if (ioctl (display->fb_fd, FBIOGET_VSCREENINFO, &display->modeinfo) < 0) - { - g_warning ("Error getting var screen info"); - return -1; - } - - if (ioctl (display->fb_fd, FBIOGET_FSCREENINFO, &display->sinfo) < 0) - { - g_warning ("Error getting fixed screen info"); - return -1; - } - return 0; -} - -#ifdef ENABLE_FB_MANAGER -static void -gdk_fb_switch_from (void) -{ - g_print ("Switch from\n"); - gdk_shadow_fb_stop_updates (); - gdk_fb_mouse_close (); - gdk_fb_keyboard_close (); -} - -static void -gdk_fb_switch_to (void) -{ - g_print ("switch_to\n"); - gdk_shadow_fb_update (0, 0, - gdk_display->fb_width, - gdk_display->fb_height); - - if (!gdk_fb_keyboard_open ()) - g_warning ("Failed to re-initialize keyboard"); - - if (!gdk_fb_mouse_open ()) - g_warning ("Failed to re-initialize mouse"); - -} - - -static gboolean -gdk_fb_manager_callback (GIOChannel *gioc, - GIOCondition cond, - gpointer data) -{ - struct FBManagerMessage msg; - GdkFBDisplay *display; - int res; - - display = data; - - res = recv (display->manager_fd, &msg, sizeof (msg), 0); - - if (res==0) - { - g_source_remove (gdk_display->manager_tag); - /*g_io_channel_unref (kb->io);*/ - close (gdk_display->manager_fd); - - } - - if (res != sizeof (msg)) - { - g_warning ("Got wrong size message"); - return TRUE; - } - - switch (msg.msg_type) - { - case FB_MANAGER_SWITCH_FROM: - g_print ("Got switch from message\n"); - display->manager_blocked = TRUE; - gdk_fb_switch_from (); - msg.msg_type = FB_MANAGER_ACK; - send (display->manager_fd, &msg, sizeof (msg), 0); - break; - case FB_MANAGER_SWITCH_TO: - g_print ("Got switch to message\n"); - display->manager_blocked = FALSE; - gdk_fb_switch_to (); - break; - default: - g_warning ("Got unknown message"); - } - return TRUE; -} - -#endif /* ENABLE_FB_MANAGER */ - -static void -gdk_fb_manager_connect (GdkFBDisplay *display) -{ -#ifdef ENABLE_FB_MANAGER - int fd; - struct sockaddr_un addr; - struct msghdr msg = {0}; - struct cmsghdr *cmsg; - struct ucred credentials; - struct FBManagerMessage init_msg; - struct iovec iov; - char buf[CMSG_SPACE (sizeof (credentials))]; /* ancillary data buffer */ - int *fdptr; - int res; - - display->manager_blocked = FALSE; - display->manager_fd = -1; - - fd = socket (PF_UNIX, SOCK_STREAM, 0); - - g_print ("socket: %d\n", fd); - - if (fd < 0) - return; - - addr.sun_family = AF_UNIX; - strcpy (addr.sun_path, "/tmp/.fb.manager"); - - if (connect(fd, (struct sockaddr *)&addr, sizeof (addr)) < 0) - { - g_print ("connect failed\n"); - close (fd); - return; - } - - credentials.pid = getpid (); - credentials.uid = geteuid (); - credentials.gid = getegid (); - - init_msg.msg_type = FB_MANAGER_NEW_CLIENT; - iov.iov_base = &init_msg; - iov.iov_len = sizeof (init_msg); - - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_iov = &iov; - msg.msg_iovlen = 1; - msg.msg_control = buf; - msg.msg_controllen = sizeof buf; - cmsg = CMSG_FIRSTHDR(&msg); - cmsg->cmsg_level = SOL_SOCKET; - cmsg->cmsg_type = SCM_CREDENTIALS; - cmsg->cmsg_len = CMSG_LEN (sizeof (credentials)); - /* Initialize the payload: */ - fdptr = (int *)CMSG_DATA (cmsg); - memcpy (fdptr, &credentials, sizeof (credentials)); - /* Sum of the length of all control messages in the buffer: */ - msg.msg_controllen = cmsg->cmsg_len; - - res = sendmsg (fd, &msg, 0); - - display->manager_fd = fd; - display->manager_blocked = TRUE; - - display->manager_tag = g_io_add_watch (g_io_channel_unix_new (fd), - G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL, - gdk_fb_manager_callback, - display); - - init_msg.msg_type = FB_MANAGER_REQUEST_SWITCH_TO_PID; - init_msg.data = getpid (); - - /* Request a switch-to */ - send (fd, &init_msg, sizeof (init_msg), 0); -#endif -} - -static void -gdk_fb_switch (int sig) -{ - if (sig == SIGUSR1) - { - ioctl (gdk_display->tty_fd, VT_RELDISP, 1); - _gdk_fb_is_active_vt = FALSE; - gdk_shadow_fb_stop_updates (); - gdk_fb_mouse_close (); - gdk_fb_keyboard_close (); - } - else - { - GdkColormap *cmap; - ioctl (gdk_display->tty_fd, VT_RELDISP, VT_ACKACQ); - _gdk_fb_is_active_vt = TRUE; - - /* XXX: is it dangerous to put all this stuff in a signal handler? */ - cmap = gdk_screen_get_default_colormap (_gdk_screen); - gdk_colormap_change (cmap, cmap->size); - - gdk_shadow_fb_update (0, 0, - gdk_display->fb_width, - gdk_display->fb_height); - - if (!gdk_fb_keyboard_open ()) - g_warning ("Failed to re-initialize keyboard"); - - if (!gdk_fb_mouse_open ()) - g_warning ("Failed to re-initialize mouse"); - - gdk_fb_redraw_all (); - } -} - -static GdkFBDisplay * -gdk_fb_display_new (void) -{ - GdkFBDisplay *display; - gchar *fb_filename; - struct vt_stat vs; - struct vt_mode vtm; - int vt, n; - gchar *s, *send; - char buf[32]; - - display = g_new0 (GdkFBDisplay, 1); - - display->console_fd = open ("/dev/console", O_RDWR); - if (display->console_fd < 0) - { - g_warning ("Can't open /dev/console: %s", strerror (errno)); - g_free (display); - return NULL; - } - - ioctl (display->console_fd, VT_GETSTATE, &vs); - display->start_vt = vs.v_active; - - vt = display->start_vt; - s = getenv("GDK_VT"); - if (s) - { - if (g_ascii_strcasecmp ("new", s)==0) - { - n = ioctl (display->console_fd, VT_OPENQRY, &vt); - if (n < 0 || vt == -1) - g_error("Cannot allocate new VT"); - } - else - { - vt = strtol (s, &send, 10); - if (s==send) - { - g_warning ("Cannot parse GDK_VT"); - vt = display->start_vt; - } - } - - } - - display->vt = vt; - - /* Switch to the new VT */ - if (vt != display->start_vt) - { - ioctl (display->console_fd, VT_ACTIVATE, vt); - ioctl (display->console_fd, VT_WAITACTIVE, vt); - } - - /* Open the tty */ - g_snprintf (buf, sizeof(buf), "/dev/tty%d", vt); - display->tty_fd = open (buf, O_RDWR|O_NONBLOCK); - if (display->tty_fd < 0) - { - g_warning ("Can't open %s: %s", buf, strerror (errno)); - close (display->console_fd); - g_free (display); - return NULL; - } - - /* set up switch signals */ - if (ioctl (display->tty_fd, VT_GETMODE, &vtm) >= 0) - { - signal (SIGUSR1, gdk_fb_switch); - signal (SIGUSR2, gdk_fb_switch); - vtm.mode = VT_PROCESS; - vtm.waitv = 0; - vtm.relsig = SIGUSR1; - vtm.acqsig = SIGUSR2; - ioctl (display->tty_fd, VT_SETMODE, &vtm); - } - _gdk_fb_is_active_vt = TRUE; - - fb_filename = gdk_get_display (); - display->fb_fd = open (fb_filename, O_RDWR); - if (display->fb_fd < 0) - { - g_warning ("Can't open %s: %s", fb_filename, strerror (errno)); - g_free (fb_filename); - close (display->tty_fd); - close (display->console_fd); - g_free (display); - return NULL; - } - g_free (fb_filename); - - if (gdk_fb_set_mode (display) < 0) - { - close (display->fb_fd); - close (display->tty_fd); - close (display->console_fd); - g_free (display); - return NULL; - } - - /* Disable normal text on the console */ - ioctl (display->fb_fd, KDSETMODE, KD_GRAPHICS); - - ioctl (display->fb_fd, FBIOBLANK, 0); - - /* We used to use sinfo.smem_len, but that seemed to be broken in many cases */ - display->fb_mmap = mmap (NULL, - display->modeinfo.yres * display->sinfo.line_length, - PROT_READ|PROT_WRITE, - MAP_SHARED, - display->fb_fd, - 0); - g_assert (display->fb_mmap != MAP_FAILED); - - if (display->sinfo.visual == FB_VISUAL_TRUECOLOR) - { - display->red_byte = display->modeinfo.red.offset >> 3; - display->green_byte = display->modeinfo.green.offset >> 3; - display->blue_byte = display->modeinfo.blue.offset >> 3; - } - -#ifdef ENABLE_SHADOW_FB - if (_gdk_fb_screen_angle % 2 == 0) - { - display->fb_width = display->modeinfo.xres; - display->fb_height = display->modeinfo.yres; - } - else - { - display->fb_width = display->modeinfo.yres; - display->fb_height = display->modeinfo.xres; - } - display->fb_stride = - display->fb_width * (display->modeinfo.bits_per_pixel / 8); - display->fb_mem = g_malloc(display->fb_height * display->fb_stride); -#else - display->fb_mem = display->fb_mmap; - display->fb_width = display->modeinfo.xres; - display->fb_height = display->modeinfo.yres; - display->fb_stride = display->sinfo.line_length; -#endif - - return display; -} - -static void -gdk_fb_display_destroy (GdkFBDisplay *display) -{ - /* Restore old framebuffer mode */ - ioctl (display->fb_fd, FBIOPUT_VSCREENINFO, &display->orig_modeinfo); - - /* Enable normal text on the console */ - ioctl (display->fb_fd, KDSETMODE, KD_TEXT); - - munmap (display->fb_mmap, display->modeinfo.yres * display->sinfo.line_length); - close (display->fb_fd); - - ioctl (display->console_fd, VT_ACTIVATE, display->start_vt); - ioctl (display->console_fd, VT_WAITACTIVE, display->start_vt); - if (display->vt != display->start_vt) - ioctl (display->console_fd, VT_DISALLOCATE, display->vt); - - close (display->tty_fd); - close (display->console_fd); - g_free (display); -} - -void -_gdk_windowing_init (void) -{ - if (gdk_initialized) - return; - - /* Create new session and become session leader */ - setsid(); - - gdk_display = gdk_fb_display_new (); - - if (!gdk_display) - return; - - gdk_shadow_fb_init (); - - gdk_fb_manager_connect (gdk_display); - - if (!gdk_fb_keyboard_init (!gdk_display->manager_blocked)) - { - g_warning ("Failed to initialize keyboard"); - gdk_fb_display_destroy (gdk_display); - gdk_display = NULL; - return; - } - - if (!gdk_fb_mouse_init (!gdk_display->manager_blocked)) - { - g_warning ("Failed to initialize mouse"); - gdk_fb_keyboard_close (); - gdk_fb_display_destroy (gdk_display); - gdk_display = NULL; - return; - } - - /* Although atexit is evil, we need it here because otherwise the - * keyboard is left in a bad state. you can still run 'reset' but - * that gets annoying after running testgtk for the 20th time. - */ - g_atexit(_gdk_windowing_exit); - - gdk_initialized = TRUE; - - _gdk_selection_property = gdk_atom_intern ("GDK_SELECTION", FALSE); - -} - -void -_gdk_windowing_set_default_display (GdkDisplay *display) -{ -} - -/* - *-------------------------------------------------------------- - * gdk_pointer_grab - * - * Grabs the pointer to a specific window - * - * Arguments: - * "window" is the window which will receive the grab - * "owner_events" specifies whether events will be reported as is, - * or relative to "window" - * "event_mask" masks only interesting events - * "confine_to" limits the cursor movement to the specified window - * "cursor" changes the cursor for the duration of the grab - * "time" specifies the time - * - * Results: - * - * Side effects: - * requires a corresponding call to gdk_pointer_ungrab - * - *-------------------------------------------------------------- - */ - -GdkGrabStatus -gdk_pointer_grab (GdkWindow * window, - gint owner_events, - GdkEventMask event_mask, - GdkWindow * confine_to, - GdkCursor * cursor, - guint32 time) -{ - return gdk_fb_pointer_grab (window, - owner_events, - event_mask, - confine_to, - cursor, - time, FALSE); -} - -static gboolean _gdk_fb_pointer_implicit_grab = FALSE; - -GdkGrabStatus -gdk_fb_pointer_grab (GdkWindow * window, - gint owner_events, - GdkEventMask event_mask, - GdkWindow * confine_to, - GdkCursor * cursor, - guint32 time, - gboolean implicit_grab) -{ - g_return_val_if_fail (window != NULL, 0); - g_return_val_if_fail (GDK_IS_WINDOW (window), 0); - g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0); - - if (_gdk_fb_pointer_grab_window) - { - if (implicit_grab && !_gdk_fb_pointer_implicit_grab) - return GDK_GRAB_ALREADY_GRABBED; - - gdk_pointer_ungrab (time); - } - - gdk_fb_window_send_crossing_events (NULL, - window, - GDK_CROSSING_GRAB); - - if (event_mask & GDK_BUTTON_MOTION_MASK) - event_mask |= - GDK_BUTTON1_MOTION_MASK | - GDK_BUTTON2_MOTION_MASK | - GDK_BUTTON3_MOTION_MASK; - - _gdk_fb_pointer_implicit_grab = implicit_grab; - - _gdk_fb_pointer_grab_window = gdk_window_ref (window); - _gdk_fb_pointer_grab_owner_events = owner_events; - - _gdk_fb_pointer_grab_confine = confine_to ? gdk_window_ref (confine_to) : NULL; - _gdk_fb_pointer_grab_events = event_mask; - _gdk_fb_pointer_grab_cursor = cursor ? gdk_cursor_ref (cursor) : NULL; - - - - if (cursor) - gdk_fb_cursor_reset (); - - return GDK_GRAB_SUCCESS; -} - -/* - *-------------------------------------------------------------- - * gdk_display_pointer_ungrab - * - * Releases any pointer grab - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -void -gdk_display_pointer_ungrab (GdkDisplay *display, - guint32 time) -{ - gdk_fb_pointer_ungrab (time, FALSE); -} - -void -gdk_fb_pointer_ungrab (guint32 time, gboolean implicit_grab) -{ - gboolean have_grab_cursor = _gdk_fb_pointer_grab_cursor && 1; - GdkWindow *mousewin; - GdkWindow *old_grab_window; - - if (!_gdk_fb_pointer_grab_window) - return; - - if (implicit_grab && !_gdk_fb_pointer_implicit_grab) - return; - - if (_gdk_fb_pointer_grab_confine) - gdk_window_unref (_gdk_fb_pointer_grab_confine); - _gdk_fb_pointer_grab_confine = NULL; - - if (_gdk_fb_pointer_grab_cursor) - gdk_cursor_unref (_gdk_fb_pointer_grab_cursor); - _gdk_fb_pointer_grab_cursor = NULL; - - if (have_grab_cursor) - gdk_fb_cursor_reset (); - - old_grab_window = _gdk_fb_pointer_grab_window; - - _gdk_fb_pointer_grab_window = NULL; - - _gdk_fb_pointer_implicit_grab = FALSE; - - mousewin = gdk_window_at_pointer (NULL, NULL); - gdk_fb_window_send_crossing_events (old_grab_window, - mousewin, - GDK_CROSSING_UNGRAB); - - if (old_grab_window) - gdk_window_unref (old_grab_window); -} - -/* - *-------------------------------------------------------------- - * gdk_display_pointer_is_grabbed - * - * Tell wether there is an active x pointer grab in effect - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -gint -gdk_display_pointer_is_grabbed (GdkDisplay *display) -{ - return _gdk_fb_pointer_grab_window != NULL; -} - -/* - *-------------------------------------------------------------- - * gdk_keyboard_grab - * - * Grabs the keyboard to a specific window - * - * Arguments: - * "window" is the window which will receive the grab - * "owner_events" specifies whether events will be reported as is, - * or relative to "window" - * "time" specifies the time - * - * Results: - * - * Side effects: - * requires a corresponding call to gdk_keyboard_ungrab - * - *-------------------------------------------------------------- - */ - -GdkGrabStatus -gdk_keyboard_grab (GdkWindow *window, - gint owner_events, - guint32 time) -{ - g_return_val_if_fail (window != NULL, 0); - g_return_val_if_fail (GDK_IS_WINDOW (window), 0); - - if (_gdk_fb_pointer_grab_window) - gdk_keyboard_ungrab (time); - - _gdk_fb_keyboard_grab_window = gdk_window_ref (window); - _gdk_fb_keyboard_grab_owner_events = owner_events; - - return GDK_GRAB_SUCCESS; -} - -/* - *-------------------------------------------------------------- - * gdk_display_keyboard_ungrab - * - * Releases any keyboard grab - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -void -gdk_display_keyboard_ungrab (GdkDisplay *display, - guint32 time) -{ - if (_gdk_fb_keyboard_grab_window) - gdk_window_unref (_gdk_fb_keyboard_grab_window); - _gdk_fb_keyboard_grab_window = NULL; -} - -gboolean -gdk_pointer_grab_info_libgtk_only (GdkDisplay *display, - GdkWindow **grab_window, - gboolean *owner_events) -{ - if (_gdk_fb_pointer_grab_window) - { - if (grab_window) - *grab_window = (GdkWindow *)_gdk_fb_pointer_grab_window; - if (owner_events) - *owner_events = _gdk_fb_pointer_grab_owner_events; - - return TRUE; - } - else - return FALSE; -} - -gboolean -gdk_keyboard_grab_info_libgtk_only (GdkDisplay *display, - GdkWindow **grab_window, - gboolean *owner_events) -{ - if (_gdk_fb_keyboard_grab_window) - { - if (grab_window) - *grab_window = (GdkWindow *)_gdk_fb_keyboard_grab_window; - if (owner_events) - *owner_events = _gdk_fb_keyboard_grab_owner_events; - - return TRUE; - } - else - return FALSE; -} - - -/* - *-------------------------------------------------------------- - * gdk_screen_get_width - * - * Return the width of the screen. - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -gint -gdk_screen_get_width (GdkScreen *screen) -{ - return gdk_display->fb_width; -} - -/* - *-------------------------------------------------------------- - * gdk_screen_get_height - * - * Return the height of the screen. - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -gint -gdk_screen_get_height (GdkScreen *screen) -{ - return gdk_display->fb_height; -} - -/* - *-------------------------------------------------------------- - * gdk_screen_get_width_mm - * - * Return the width of the screen in millimeters. - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -gint -gdk_screen_get_width_mm (GdkScreen *screen) -{ - return 0.5 + gdk_screen_width () * (25.4 / 72.); -} - -/* - *-------------------------------------------------------------- - * gdk_screen_get_height_mm - * - * Return the height of the screen in millimeters. - * - * Arguments: - * - * Results: - * - * Side effects: - * - *-------------------------------------------------------------- - */ - -gint -gdk_screen_get_height_mm (GdkScreen *screen) -{ - return 0.5 + gdk_screen_height () * (25.4 / 72.); -} - -void -_gdk_windowing_display_set_sm_client_id (GdkDisplay* display, - const gchar* sm_client_id) -{ -} - -extern void keyboard_shutdown(void); - -void -_gdk_windowing_exit (void) -{ - struct sigaction action; - - /* don't get interrupted while exiting - * (cf. gdkrender-fb.c:gdk_shadow_fb_init) */ - action.sa_handler = SIG_IGN; - sigemptyset (&action.sa_mask); - action.sa_flags = 0; - - gdk_fb_mouse_close (); - /*leak g_free (gdk_fb_mouse);*/ - - gdk_fb_keyboard_close (); - /*leak g_free (gdk_fb_keyboard);*/ - - gdk_fb_display_destroy (gdk_display); - - gdk_display = NULL; -} - -gchar * -gdk_get_display(void) -{ - gchar *s; - - s = getenv ("GDK_DISPLAY"); - if (s==0) - s = "/dev/fb0"; - - return g_strdup (s); -} - -void -gdk_display_beep (GdkDisplay *display) -{ - static int pitch = 600, duration = 100; - gulong arg; - - /* Thank you XFree86 */ - arg = ((1193190 / pitch) & 0xffff) | - (((unsigned long)duration) << 16); - - ioctl (gdk_display->tty_fd, KDMKTONE, arg); -} - -/* utils */ -static const guint type_masks[] = { - GDK_SUBSTRUCTURE_MASK, /* GDK_DELETE = 0, */ - GDK_STRUCTURE_MASK, /* GDK_DESTROY = 1, */ - GDK_EXPOSURE_MASK, /* GDK_EXPOSE = 2, */ - GDK_POINTER_MOTION_MASK, /* GDK_MOTION_NOTIFY = 3, */ - GDK_BUTTON_PRESS_MASK, /* GDK_BUTTON_PRESS = 4, */ - GDK_BUTTON_PRESS_MASK, /* GDK_2BUTTON_PRESS = 5, */ - GDK_BUTTON_PRESS_MASK, /* GDK_3BUTTON_PRESS = 6, */ - GDK_BUTTON_RELEASE_MASK, /* GDK_BUTTON_RELEASE = 7, */ - GDK_KEY_PRESS_MASK, /* GDK_KEY_PRESS = 8, */ - GDK_KEY_RELEASE_MASK, /* GDK_KEY_RELEASE = 9, */ - GDK_ENTER_NOTIFY_MASK, /* GDK_ENTER_NOTIFY = 10, */ - GDK_LEAVE_NOTIFY_MASK, /* GDK_LEAVE_NOTIFY = 11, */ - GDK_FOCUS_CHANGE_MASK, /* GDK_FOCUS_CHANGE = 12, */ - GDK_STRUCTURE_MASK, /* GDK_CONFIGURE = 13, */ - GDK_VISIBILITY_NOTIFY_MASK, /* GDK_MAP = 14, */ - GDK_VISIBILITY_NOTIFY_MASK, /* GDK_UNMAP = 15, */ - GDK_PROPERTY_CHANGE_MASK, /* GDK_PROPERTY_NOTIFY = 16, */ - GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_CLEAR = 17, */ - GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_REQUEST = 18, */ - GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_NOTIFY = 19, */ - GDK_PROXIMITY_IN_MASK, /* GDK_PROXIMITY_IN = 20, */ - GDK_PROXIMITY_OUT_MASK, /* GDK_PROXIMITY_OUT = 21, */ - GDK_ALL_EVENTS_MASK, /* GDK_DRAG_ENTER = 22, */ - GDK_ALL_EVENTS_MASK, /* GDK_DRAG_LEAVE = 23, */ - GDK_ALL_EVENTS_MASK, /* GDK_DRAG_MOTION = 24, */ - GDK_ALL_EVENTS_MASK, /* GDK_DRAG_STATUS = 25, */ - GDK_ALL_EVENTS_MASK, /* GDK_DROP_START = 26, */ - GDK_ALL_EVENTS_MASK, /* GDK_DROP_FINISHED = 27, */ - GDK_ALL_EVENTS_MASK, /* GDK_CLIENT_EVENT = 28, */ - GDK_VISIBILITY_NOTIFY_MASK, /* GDK_VISIBILITY_NOTIFY = 29, */ - GDK_EXPOSURE_MASK, /* GDK_NO_EXPOSE = 30, */ - GDK_SCROLL_MASK /* GDK_SCROLL = 31 */ -}; - -GdkWindow * -gdk_fb_other_event_window (GdkWindow *window, - GdkEventType type) -{ - guint32 evmask; - GdkWindow *w; - - w = window; - while (w != _gdk_parent_root) - { - /* Huge hack, so that we don't propagate events to GtkWindow->frame */ - if ((w != window) && - (GDK_WINDOW_P (w)->window_type != GDK_WINDOW_CHILD) && - (g_object_get_data (G_OBJECT (w), "gdk-window-child-handler"))) - break; - - evmask = GDK_WINDOW_OBJECT(window)->event_mask; - - if (evmask & type_masks[type]) - return w; - - w = gdk_window_get_parent (w); - } - - return NULL; -} - -GdkWindow * -gdk_fb_pointer_event_window (GdkWindow *window, - GdkEventType type) -{ - guint evmask; - GdkModifierType mask; - GdkWindow *w; - - gdk_fb_mouse_get_info (NULL, NULL, &mask); - - if (_gdk_fb_pointer_grab_window && - !_gdk_fb_pointer_grab_owner_events) - { - evmask = _gdk_fb_pointer_grab_events; - - if (evmask & (GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON3_MOTION_MASK)) - { - if (((mask & GDK_BUTTON1_MASK) && (evmask & GDK_BUTTON1_MOTION_MASK)) || - ((mask & GDK_BUTTON2_MASK) && (evmask & GDK_BUTTON2_MOTION_MASK)) || - ((mask & GDK_BUTTON3_MASK) && (evmask & GDK_BUTTON3_MOTION_MASK))) - evmask |= GDK_POINTER_MOTION_MASK; - } - - if (evmask & type_masks[type]) - return _gdk_fb_pointer_grab_window; - else - return NULL; - } - - w = window; - while (w != _gdk_parent_root) - { - /* Huge hack, so that we don't propagate events to GtkWindow->frame */ - if ((w != window) && - (GDK_WINDOW_P (w)->window_type != GDK_WINDOW_CHILD) && - (g_object_get_data (G_OBJECT (w), "gdk-window-child-handler"))) - break; - - evmask = GDK_WINDOW_OBJECT(window)->event_mask; - - if (evmask & (GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON3_MOTION_MASK)) - { - if (((mask & GDK_BUTTON1_MASK) && (evmask & GDK_BUTTON1_MOTION_MASK)) || - ((mask & GDK_BUTTON2_MASK) && (evmask & GDK_BUTTON2_MOTION_MASK)) || - ((mask & GDK_BUTTON3_MASK) && (evmask & GDK_BUTTON3_MOTION_MASK))) - evmask |= GDK_POINTER_MOTION_MASK; - } - - if (evmask & type_masks[type]) - return w; - - w = gdk_window_get_parent (w); - } - - if (_gdk_fb_pointer_grab_window && - _gdk_fb_pointer_grab_owner_events) - { - evmask = _gdk_fb_pointer_grab_events; - - if (evmask & (GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON3_MOTION_MASK)) - { - if (((mask & GDK_BUTTON1_MASK) && (evmask & GDK_BUTTON1_MOTION_MASK)) || - ((mask & GDK_BUTTON2_MASK) && (evmask & GDK_BUTTON2_MOTION_MASK)) || - ((mask & GDK_BUTTON3_MASK) && (evmask & GDK_BUTTON3_MOTION_MASK))) - evmask |= GDK_POINTER_MOTION_MASK; - } - - if (evmask & type_masks[type]) - return _gdk_fb_pointer_grab_window; - } - - return NULL; -} - -GdkWindow * -gdk_fb_keyboard_event_window (GdkWindow *window, - GdkEventType type) -{ - guint32 evmask; - GdkWindow *w; - - if (_gdk_fb_keyboard_grab_window && - !_gdk_fb_keyboard_grab_owner_events) - { - return _gdk_fb_keyboard_grab_window; - } - - w = window; - while (w != _gdk_parent_root) - { - /* Huge hack, so that we don't propagate events to GtkWindow->frame */ - if ((w != window) && - (GDK_WINDOW_P (w)->window_type != GDK_WINDOW_CHILD) && - (g_object_get_data (G_OBJECT (w), "gdk-window-child-handler"))) - break; - - evmask = GDK_WINDOW_OBJECT(window)->event_mask; - - if (evmask & type_masks[type]) - return w; - - w = gdk_window_get_parent (w); - } - - if (_gdk_fb_keyboard_grab_window && - _gdk_fb_keyboard_grab_owner_events) - { - return _gdk_fb_keyboard_grab_window; - } - - return NULL; -} - -GdkEvent * -gdk_event_make (GdkWindow *window, - GdkEventType type, - gboolean append_to_queue) -{ - GdkEvent *event = gdk_event_new (type); - guint32 the_time; - - the_time = gdk_fb_get_time (); - - event->any.window = gdk_window_ref (window); - event->any.send_event = FALSE; - switch (type) - { - case GDK_MOTION_NOTIFY: - event->motion.time = the_time; - event->motion.axes = NULL; - break; - case GDK_BUTTON_PRESS: - case GDK_2BUTTON_PRESS: - case GDK_3BUTTON_PRESS: - case GDK_BUTTON_RELEASE: - event->button.time = the_time; - event->button.axes = NULL; - break; - case GDK_KEY_PRESS: - case GDK_KEY_RELEASE: - event->key.time = the_time; - break; - case GDK_ENTER_NOTIFY: - case GDK_LEAVE_NOTIFY: - event->crossing.time = the_time; - break; - - case GDK_PROPERTY_NOTIFY: - event->property.time = the_time; - break; - - case GDK_SELECTION_CLEAR: - case GDK_SELECTION_REQUEST: - case GDK_SELECTION_NOTIFY: - event->selection.time = the_time; - break; - case GDK_PROXIMITY_IN: - case GDK_PROXIMITY_OUT: - event->proximity.time = the_time; - break; - case GDK_DRAG_ENTER: - case GDK_DRAG_LEAVE: - case GDK_DRAG_MOTION: - case GDK_DRAG_STATUS: - case GDK_DROP_START: - case GDK_DROP_FINISHED: - event->dnd.time = the_time; - break; - - case GDK_FOCUS_CHANGE: - case GDK_CONFIGURE: - case GDK_MAP: - case GDK_UNMAP: - case GDK_CLIENT_EVENT: - case GDK_VISIBILITY_NOTIFY: - case GDK_NO_EXPOSE: - case GDK_SCROLL: - case GDK_DELETE: - case GDK_DESTROY: - case GDK_EXPOSE: - default: - break; - } - - if (append_to_queue) - _gdk_event_queue_append (gdk_display_get_default (), event); - - return event; -} - -void -gdk_fb_set_rotation (GdkFBAngle angle) -{ - if (angle == _gdk_fb_screen_angle) - return; - -#ifdef ENABLE_SHADOW_FB - if (gdk_display) - { - gdk_shadow_fb_stop_updates (); - - gdk_fb_cursor_hide (); - - _gdk_fb_screen_angle = angle; - - if (angle % 2 == 0) - { - gdk_display->fb_width = gdk_display->modeinfo.xres; - gdk_display->fb_height = gdk_display->modeinfo.yres; - } - else - { - gdk_display->fb_width = gdk_display->modeinfo.yres; - gdk_display->fb_height = gdk_display->modeinfo.xres; - } - gdk_display->fb_stride = - gdk_display->fb_width * (gdk_display->modeinfo.bits_per_pixel / 8); - - gdk_fb_recompute_all(); - gdk_fb_redraw_all (); - - gdk_fb_cursor_unhide (); - } - else - _gdk_fb_screen_angle = angle; -#else - g_warning ("Screen rotation without shadow fb not supported."); -#endif -} - -void -gdk_error_trap_push (void) -{ -} - -gint -gdk_error_trap_pop (void) -{ - return 0; -} - -void -gdk_notify_startup_complete (void) -{ -} |