diff options
Diffstat (limited to 'unix/gtkcomm.c')
| -rw-r--r-- | unix/gtkcomm.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/unix/gtkcomm.c b/unix/gtkcomm.c deleted file mode 100644 index fa52bfb4..00000000 --- a/unix/gtkcomm.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * gtkcomm.c: machinery in the GTK front end which is common to all - * programs that run a session in a terminal window, and also common - * across all _sessions_ rather than specific to one session. (Timers, - * uxsel etc.) - */ - -#define _GNU_SOURCE - -#include <string.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <signal.h> -#include <stdio.h> -#include <time.h> -#include <errno.h> -#include <locale.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <gtk/gtk.h> -#if !GTK_CHECK_VERSION(3,0,0) -#include <gdk/gdkkeysyms.h> -#endif - -#if GTK_CHECK_VERSION(2,0,0) -#include <gtk/gtkimmodule.h> -#endif - -#define MAY_REFER_TO_GTK_IN_HEADERS - -#include "putty.h" -#include "terminal.h" -#include "gtkcompat.h" -#include "gtkfont.h" -#include "gtkmisc.h" - -#ifndef NOT_X_WINDOWS -#include <gdk/gdkx.h> -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/Xatom.h> -#endif - -#define CAT2(x,y) x ## y -#define CAT(x,y) CAT2(x,y) -#define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)} - -#if GTK_CHECK_VERSION(2,0,0) -ASSERT(sizeof(long) <= sizeof(gsize)); -#define LONG_TO_GPOINTER(l) GSIZE_TO_POINTER(l) -#define GPOINTER_TO_LONG(p) GPOINTER_TO_SIZE(p) -#else /* Gtk 1.2 */ -ASSERT(sizeof(long) <= sizeof(gpointer)); -#define LONG_TO_GPOINTER(l) ((gpointer)(long)(l)) -#define GPOINTER_TO_LONG(p) ((long)(p)) -#endif - -/* ---------------------------------------------------------------------- - * File descriptors and uxsel. - */ - -struct uxsel_id { -#if GTK_CHECK_VERSION(2,0,0) - GIOChannel *chan; - guint watch_id; -#else - int id; -#endif -}; - -#if GTK_CHECK_VERSION(2,0,0) -gboolean fd_input_func(GIOChannel *source, GIOCondition condition, - gpointer data) -{ - int sourcefd = g_io_channel_unix_get_fd(source); - /* - * We must process exceptional notifications before ordinary - * readability ones, or we may go straight past the urgent - * marker. - */ - if (condition & G_IO_PRI) - select_result(sourcefd, SELECT_X); - if (condition & (G_IO_IN | G_IO_HUP)) - select_result(sourcefd, SELECT_R); - if (condition & G_IO_OUT) - select_result(sourcefd, SELECT_W); - - return true; -} -#else -void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition) -{ - if (condition & GDK_INPUT_EXCEPTION) - select_result(sourcefd, SELECT_X); - if (condition & GDK_INPUT_READ) - select_result(sourcefd, SELECT_R); - if (condition & GDK_INPUT_WRITE) - select_result(sourcefd, SELECT_W); -} -#endif - -uxsel_id *uxsel_input_add(int fd, int rwx) { - uxsel_id *id = snew(uxsel_id); - -#if GTK_CHECK_VERSION(2,0,0) - int flags = 0; - if (rwx & SELECT_R) flags |= G_IO_IN | G_IO_HUP; - if (rwx & SELECT_W) flags |= G_IO_OUT; - if (rwx & SELECT_X) flags |= G_IO_PRI; - id->chan = g_io_channel_unix_new(fd); - g_io_channel_set_encoding(id->chan, NULL, NULL); - id->watch_id = g_io_add_watch_full(id->chan, GDK_PRIORITY_REDRAW+1, flags, - fd_input_func, NULL, NULL); -#else - int flags = 0; - if (rwx & SELECT_R) flags |= GDK_INPUT_READ; - if (rwx & SELECT_W) flags |= GDK_INPUT_WRITE; - if (rwx & SELECT_X) flags |= GDK_INPUT_EXCEPTION; - assert(flags); - id->id = gdk_input_add(fd, flags, fd_input_func, NULL); -#endif - - return id; -} - -void uxsel_input_remove(uxsel_id *id) { -#if GTK_CHECK_VERSION(2,0,0) - g_source_remove(id->watch_id); - g_io_channel_unref(id->chan); -#else - gdk_input_remove(id->id); -#endif - sfree(id); -} - -/* ---------------------------------------------------------------------- - * Timers. - */ - -static guint timer_id = 0; - -static gint timer_trigger(gpointer data) -{ - unsigned long now = GPOINTER_TO_LONG(data); - unsigned long next, then; - long ticks; - - /* - * Destroy the timer we got here on. - */ - if (timer_id) { - g_source_remove(timer_id); - timer_id = 0; - } - - /* - * run_timers() may cause a call to timer_change_notify, in which - * case a new timer will already have been set up and left in - * timer_id. If it hasn't, and run_timers reports that some timing - * still needs to be done, we do it ourselves. - */ - if (run_timers(now, &next) && !timer_id) { - then = now; - now = GETTICKCOUNT(); - if (now - then > next - then) - ticks = 0; - else - ticks = next - now; - timer_id = g_timeout_add(ticks, timer_trigger, LONG_TO_GPOINTER(next)); - } - - /* - * Returning false means 'don't call this timer again', which - * _should_ be redundant given that we removed it above, but just - * in case, return false anyway. - */ - return false; -} - -void timer_change_notify(unsigned long next) -{ - long ticks; - - if (timer_id) - g_source_remove(timer_id); - - ticks = next - GETTICKCOUNT(); - if (ticks <= 0) - ticks = 1; /* just in case */ - - timer_id = g_timeout_add(ticks, timer_trigger, LONG_TO_GPOINTER(next)); -} - -/* ---------------------------------------------------------------------- - * Toplevel callbacks. - */ - -static guint toplevel_callback_idle_id; -static bool idle_fn_scheduled; - -static void notify_toplevel_callback(void *); - -static gint idle_toplevel_callback_func(gpointer data) -{ - run_toplevel_callbacks(); - - /* - * If we've emptied our toplevel callback queue, unschedule - * ourself. Otherwise, leave ourselves pending so we'll be called - * again to deal with more callbacks after another round of the - * event loop. - */ - if (!toplevel_callback_pending() && idle_fn_scheduled) { - g_source_remove(toplevel_callback_idle_id); - idle_fn_scheduled = false; - } - - return true; -} - -static void notify_toplevel_callback(void *vctx) -{ - if (!idle_fn_scheduled) { - toplevel_callback_idle_id = - g_idle_add(idle_toplevel_callback_func, NULL); - idle_fn_scheduled = true; - } -} - -/* ---------------------------------------------------------------------- - * Setup function. The real main program must call this. - */ - -void gtkcomm_setup(void) -{ - uxsel_init(); - request_callback_notifications(notify_toplevel_callback, NULL); -} |