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putty/unix/gtkwin.c

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101 KiB
C
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/*
* gtkwin.c: the main code that runs a PuTTY terminal emulator and
* backend in a GTK window.
*/
#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 <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "terminal.h"
#define CAT2(x,y) x ## y
#define CAT(x,y) CAT2(x,y)
#define ASSERT(x) enum {CAT(assertion_,__LINE__) = 1 / (x)}
/* Colours come in two flavours: configurable, and xterm-extended. */
#define NCFGCOLOURS (lenof(((Config *)0)->colours))
#define NEXTCOLOURS 240 /* 216 colour-cube plus 24 shades of grey */
#define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
GdkAtom compound_text_atom, utf8_string_atom;
extern char **pty_argv; /* declared in pty.c */
extern int use_pty_argv;
/*
* Timers are global across all sessions (even if we were handling
* multiple sessions, which we aren't), so the current timer ID is
* a global variable.
*/
static guint timer_id = 0;
struct gui_data {
GtkWidget *window, *area, *sbar;
GtkBox *hbox;
GtkAdjustment *sbar_adjust;
GtkWidget *menu, *specialsmenu, *specialsitem1, *specialsitem2,
*restartitem;
GtkWidget *sessionsmenu;
GdkPixmap *pixmap;
GdkFont *fonts[4]; /* normal, bold, wide, widebold */
struct {
int charset;
int is_wide;
} fontinfo[4];
int xpos, ypos, gotpos, gravity;
GdkCursor *rawcursor, *textcursor, *blankcursor, *currcursor;
GdkColor cols[NALLCOLOURS];
GdkColormap *colmap;
wchar_t *pastein_data;
int direct_to_font;
int pastein_data_len;
char *pasteout_data, *pasteout_data_ctext, *pasteout_data_utf8;
int pasteout_data_len, pasteout_data_ctext_len, pasteout_data_utf8_len;
int font_width, font_height;
int width, height;
int ignore_sbar;
int mouseptr_visible;
guint term_paste_idle_id;
int alt_keycode;
int alt_digits;
char wintitle[sizeof(((Config *)0)->wintitle)];
char icontitle[sizeof(((Config *)0)->wintitle)];
int master_fd, master_func_id;
void *ldisc;
Backend *back;
void *backhandle;
Terminal *term;
void *logctx;
int exited;
struct unicode_data ucsdata;
Config cfg;
void *eventlogstuff;
char *progname, **gtkargvstart;
int ngtkargs;
guint32 input_event_time; /* Timestamp of the most recent input event. */
};
struct draw_ctx {
GdkGC *gc;
struct gui_data *inst;
};
static int send_raw_mouse;
static char *app_name = "pterm";
static void start_backend(struct gui_data *inst);
char *x_get_default(const char *key)
{
return XGetDefault(GDK_DISPLAY(), app_name, key);
}
void connection_fatal(void *frontend, char *p, ...)
{
struct gui_data *inst = (struct gui_data *)frontend;
va_list ap;
char *msg;
va_start(ap, p);
msg = dupvprintf(p, ap);
va_end(ap);
inst->exited = TRUE;
fatal_message_box(inst->window, msg);
sfree(msg);
if (inst->cfg.close_on_exit == FORCE_ON)
cleanup_exit(1);
}
/*
* Default settings that are specific to pterm.
*/
FontSpec platform_default_fontspec(const char *name)
{
FontSpec ret;
if (!strcmp(name, "Font"))
strcpy(ret.name, "fixed");
else
*ret.name = '\0';
return ret;
}
Filename platform_default_filename(const char *name)
{
Filename ret;
if (!strcmp(name, "LogFileName"))
strcpy(ret.path, "putty.log");
else
*ret.path = '\0';
return ret;
}
char *platform_default_s(const char *name)
{
return NULL;
}
int platform_default_i(const char *name, int def)
{
if (!strcmp(name, "CloseOnExit"))
return 2; /* maps to FORCE_ON after painful rearrangement :-( */
if (!strcmp(name, "WinNameAlways"))
return 0; /* X natively supports icon titles, so use 'em by default */
return def;
}
void ldisc_update(void *frontend, int echo, int edit)
{
/*
* This is a stub in pterm. If I ever produce a Unix
* command-line ssh/telnet/rlogin client (i.e. a port of plink)
* then it will require some termios manoeuvring analogous to
* that in the Windows plink.c, but here it's meaningless.
*/
}
int from_backend(void *frontend, int is_stderr, const char *data, int len)
{
struct gui_data *inst = (struct gui_data *)frontend;
return term_data(inst->term, is_stderr, data, len);
}
void logevent(void *frontend, const char *string)
{
struct gui_data *inst = (struct gui_data *)frontend;
log_eventlog(inst->logctx, string);
logevent_dlg(inst->eventlogstuff, string);
}
int font_dimension(void *frontend, int which)/* 0 for width, 1 for height */
{
struct gui_data *inst = (struct gui_data *)frontend;
if (which)
return inst->font_height;
else
return inst->font_width;
}
/*
* Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
* into a cooked one (SELECT, EXTEND, PASTE).
*
* In Unix, this is not configurable; the X button arrangement is
* rock-solid across all applications, everyone has a three-button
* mouse or a means of faking it, and there is no need to switch
* buttons around at all.
*/
static Mouse_Button translate_button(Mouse_Button button)
{
/* struct gui_data *inst = (struct gui_data *)frontend; */
if (button == MBT_LEFT)
return MBT_SELECT;
if (button == MBT_MIDDLE)
return MBT_PASTE;
if (button == MBT_RIGHT)
return MBT_EXTEND;
return 0; /* shouldn't happen */
}
/*
* Return the top-level GtkWindow associated with a particular
* front end instance.
*/
void *get_window(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return inst->window;
}
/*
* Minimise or restore the window in response to a server-side
* request.
*/
void set_iconic(void *frontend, int iconic)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
struct gui_data *inst = (struct gui_data *)frontend;
if (iconic)
gtk_window_iconify(GTK_WINDOW(inst->window));
else
gtk_window_deiconify(GTK_WINDOW(inst->window));
#endif
}
/*
* Move the window in response to a server-side request.
*/
void move_window(void *frontend, int x, int y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_move(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_move(inst->window->window, x, y);
#endif
}
/*
* Move the window to the top or bottom of the z-order in response
* to a server-side request.
*/
void set_zorder(void *frontend, int top)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (top)
gdk_window_raise(inst->window->window);
else
gdk_window_lower(inst->window->window);
}
/*
* Refresh the window in response to a server-side request.
*/
void refresh_window(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
term_invalidate(inst->term);
}
/*
* Maximise or restore the window in response to a server-side
* request.
*/
void set_zoomed(void *frontend, int zoomed)
{
/*
* GTK 1.2 doesn't know how to do this.
*/
#if GTK_CHECK_VERSION(2,0,0)
struct gui_data *inst = (struct gui_data *)frontend;
if (iconic)
gtk_window_maximize(GTK_WINDOW(inst->window));
else
gtk_window_unmaximize(GTK_WINDOW(inst->window));
#endif
}
/*
* Report whether the window is iconic, for terminal reports.
*/
int is_iconic(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return !gdk_window_is_viewable(inst->window->window);
}
/*
* Report the window's position, for terminal reports.
*/
void get_window_pos(void *frontend, int *x, int *y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_get_position(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_get_position(inst->window->window, x, y);
#endif
}
/*
* Report the window's pixel size, for terminal reports.
*/
void get_window_pixels(void *frontend, int *x, int *y)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* I assume that when the GTK version of this call is available
* we should use it. Not sure how it differs from the GDK one,
* though.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_get_size(GTK_WINDOW(inst->window), x, y);
#else
gdk_window_get_size(inst->window->window, x, y);
#endif
}
/*
* Return the window or icon title.
*/
char *get_window_title(void *frontend, int icon)
{
struct gui_data *inst = (struct gui_data *)frontend;
return icon ? inst->icontitle : inst->wintitle;
}
gint delete_window(GtkWidget *widget, GdkEvent *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!inst->exited && inst->cfg.warn_on_close) {
if (!reallyclose(inst))
return TRUE;
}
return FALSE;
}
static void show_mouseptr(struct gui_data *inst, int show)
{
if (!inst->cfg.hide_mouseptr)
show = 1;
if (show)
gdk_window_set_cursor(inst->area->window, inst->currcursor);
else
gdk_window_set_cursor(inst->area->window, inst->blankcursor);
inst->mouseptr_visible = show;
}
void draw_backing_rect(struct gui_data *inst)
{
GdkGC *gc = gdk_gc_new(inst->area->window);
gdk_gc_set_foreground(gc, &inst->cols[258]); /* default background */
gdk_draw_rectangle(inst->pixmap, gc, 1, 0, 0,
inst->cfg.width * inst->font_width + 2*inst->cfg.window_border,
inst->cfg.height * inst->font_height + 2*inst->cfg.window_border);
gdk_gc_unref(gc);
}
gint configure_area(GtkWidget *widget, GdkEventConfigure *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int w, h, need_size = 0;
/*
* See if the terminal size has changed, in which case we must
* let the terminal know.
*/
w = (event->width - 2*inst->cfg.window_border) / inst->font_width;
h = (event->height - 2*inst->cfg.window_border) / inst->font_height;
if (w != inst->width || h != inst->height) {
inst->cfg.width = inst->width = w;
inst->cfg.height = inst->height = h;
need_size = 1;
}
if (inst->pixmap) {
gdk_pixmap_unref(inst->pixmap);
inst->pixmap = NULL;
}
inst->pixmap = gdk_pixmap_new(widget->window,
(inst->cfg.width * inst->font_width +
2*inst->cfg.window_border),
(inst->cfg.height * inst->font_height +
2*inst->cfg.window_border), -1);
draw_backing_rect(inst);
if (need_size && inst->term) {
term_size(inst->term, h, w, inst->cfg.savelines);
}
if (inst->term)
term_invalidate(inst->term);
return TRUE;
}
gint expose_area(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
/*
* Pass the exposed rectangle to terminal.c, which will call us
* back to do the actual painting.
*/
if (inst->pixmap) {
gdk_draw_pixmap(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
inst->pixmap,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
}
return TRUE;
}
#define KEY_PRESSED(k) \
(inst->keystate[(k) / 32] & (1 << ((k) % 32)))
gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
char output[32];
wchar_t ucsoutput[2];
int ucsval, start, end, special, use_ucsoutput;
/* Remember the timestamp. */
inst->input_event_time = event->time;
/* By default, nothing is generated. */
end = start = 0;
special = use_ucsoutput = FALSE;
/*
* If Alt is being released after typing an Alt+numberpad
* sequence, we should generate the code that was typed.
*
* Note that we only do this if more than one key was actually
* pressed - I don't think Alt+NumPad4 should be ^D or that
* Alt+NumPad3 should be ^C, for example. There's no serious
* inconvenience in having to type a zero before a single-digit
* character code.
*/
if (event->type == GDK_KEY_RELEASE &&
(event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R) &&
inst->alt_keycode >= 0 && inst->alt_digits > 1) {
#ifdef KEY_DEBUGGING
printf("Alt key up, keycode = %d\n", inst->alt_keycode);
#endif
output[0] = inst->alt_keycode;
end = 1;
goto done;
}
if (event->type == GDK_KEY_PRESS) {
#ifdef KEY_DEBUGGING
{
int i;
printf("keypress: keyval = %04x, state = %08x; string =",
event->keyval, event->state);
for (i = 0; event->string[i]; i++)
printf(" %02x", (unsigned char) event->string[i]);
printf("\n");
}
#endif
/*
* NYI: Compose key (!!! requires Unicode faff before even trying)
*/
/*
* If Alt has just been pressed, we start potentially
* accumulating an Alt+numberpad code. We do this by
* setting alt_keycode to -1 (nothing yet but plausible).
*/
if ((event->keyval == GDK_Meta_L || event->keyval == GDK_Alt_L ||
event->keyval == GDK_Meta_R || event->keyval == GDK_Alt_R)) {
inst->alt_keycode = -1;
inst->alt_digits = 0;
goto done; /* this generates nothing else */
}
/*
* If we're seeing a numberpad key press with Mod1 down,
* consider adding it to alt_keycode if that's sensible.
* Anything _else_ with Mod1 down cancels any possibility
* of an ALT keycode: we set alt_keycode to -2.
*/
if ((event->state & GDK_MOD1_MASK) && inst->alt_keycode != -2) {
int digit = -1;
switch (event->keyval) {
case GDK_KP_0: case GDK_KP_Insert: digit = 0; break;
case GDK_KP_1: case GDK_KP_End: digit = 1; break;
case GDK_KP_2: case GDK_KP_Down: digit = 2; break;
case GDK_KP_3: case GDK_KP_Page_Down: digit = 3; break;
case GDK_KP_4: case GDK_KP_Left: digit = 4; break;
case GDK_KP_5: case GDK_KP_Begin: digit = 5; break;
case GDK_KP_6: case GDK_KP_Right: digit = 6; break;
case GDK_KP_7: case GDK_KP_Home: digit = 7; break;
case GDK_KP_8: case GDK_KP_Up: digit = 8; break;
case GDK_KP_9: case GDK_KP_Page_Up: digit = 9; break;
}
if (digit < 0)
inst->alt_keycode = -2; /* it's invalid */
else {
#ifdef KEY_DEBUGGING
printf("Adding digit %d to keycode %d", digit,
inst->alt_keycode);
#endif
if (inst->alt_keycode == -1)
inst->alt_keycode = digit; /* one-digit code */
else
inst->alt_keycode = inst->alt_keycode * 10 + digit;
inst->alt_digits++;
#ifdef KEY_DEBUGGING
printf(" gives new code %d\n", inst->alt_keycode);
#endif
/* Having used this digit, we now do nothing more with it. */
goto done;
}
}
/*
* Shift-PgUp and Shift-PgDn don't even generate keystrokes
* at all.
*/
if (event->keyval == GDK_Page_Up && (event->state & GDK_SHIFT_MASK)) {
term_scroll(inst->term, 0, -inst->cfg.height/2);
return TRUE;
}
if (event->keyval == GDK_Page_Up && (event->state & GDK_CONTROL_MASK)) {
term_scroll(inst->term, 0, -1);
return TRUE;
}
if (event->keyval == GDK_Page_Down && (event->state & GDK_SHIFT_MASK)) {
term_scroll(inst->term, 0, +inst->cfg.height/2);
return TRUE;
}
if (event->keyval == GDK_Page_Down && (event->state & GDK_CONTROL_MASK)) {
term_scroll(inst->term, 0, +1);
return TRUE;
}
/*
* Neither does Shift-Ins.
*/
if (event->keyval == GDK_Insert && (event->state & GDK_SHIFT_MASK)) {
request_paste(inst);
return TRUE;
}
special = FALSE;
use_ucsoutput = FALSE;
/* ALT+things gives leading Escape. */
output[0] = '\033';
strncpy(output+1, event->string, 31);
if (!*event->string &&
(ucsval = keysym_to_unicode(event->keyval)) >= 0) {
ucsoutput[0] = '\033';
ucsoutput[1] = ucsval;
use_ucsoutput = TRUE;
end = 2;
} else {
output[31] = '\0';
end = strlen(output);
}
if (event->state & GDK_MOD1_MASK) {
start = 0;
if (end == 1) end = 0;
} else
start = 1;
/* Control-` is the same as Control-\ (unless gtk has a better idea) */
if (!event->string[0] && event->keyval == '`' &&
(event->state & GDK_CONTROL_MASK)) {
output[1] = '\x1C';
use_ucsoutput = FALSE;
end = 2;
}
/* Control-Break is the same as Control-C */
if (event->keyval == GDK_Break &&
(event->state & GDK_CONTROL_MASK)) {
output[1] = '\003';
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* We handle Return ourselves, because it needs to be flagged as
* special to ldisc. */
if (event->keyval == GDK_Return) {
output[1] = '\015';
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* Control-2, Control-Space and Control-@ are NUL */
if (!event->string[0] &&
(event->keyval == ' ' || event->keyval == '2' ||
event->keyval == '@') &&
(event->state & (GDK_SHIFT_MASK |
GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
output[1] = '\0';
use_ucsoutput = FALSE;
end = 2;
}
/* Control-Shift-Space is 160 (ISO8859 nonbreaking space) */
if (!event->string[0] && event->keyval == ' ' &&
(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
(GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
output[1] = '\240';
use_ucsoutput = FALSE;
end = 2;
}
/* We don't let GTK tell us what Backspace is! We know better. */
if (event->keyval == GDK_BackSpace &&
!(event->state & GDK_SHIFT_MASK)) {
output[1] = inst->cfg.bksp_is_delete ? '\x7F' : '\x08';
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* For Shift Backspace, do opposite of what is configured. */
if (event->keyval == GDK_BackSpace &&
(event->state & GDK_SHIFT_MASK)) {
output[1] = inst->cfg.bksp_is_delete ? '\x08' : '\x7F';
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
}
/* Shift-Tab is ESC [ Z */
if (event->keyval == GDK_ISO_Left_Tab ||
(event->keyval == GDK_Tab && (event->state & GDK_SHIFT_MASK))) {
end = 1 + sprintf(output+1, "\033[Z");
use_ucsoutput = FALSE;
}
/*
* NetHack keypad mode.
*/
if (inst->cfg.nethack_keypad) {
char *keys = NULL;
switch (event->keyval) {
case GDK_KP_1: case GDK_KP_End: keys = "bB"; break;
case GDK_KP_2: case GDK_KP_Down: keys = "jJ"; break;
case GDK_KP_3: case GDK_KP_Page_Down: keys = "nN"; break;
case GDK_KP_4: case GDK_KP_Left: keys = "hH"; break;
case GDK_KP_5: case GDK_KP_Begin: keys = ".."; break;
case GDK_KP_6: case GDK_KP_Right: keys = "lL"; break;
case GDK_KP_7: case GDK_KP_Home: keys = "yY"; break;
case GDK_KP_8: case GDK_KP_Up: keys = "kK"; break;
case GDK_KP_9: case GDK_KP_Page_Up: keys = "uU"; break;
}
if (keys) {
end = 2;
if (event->state & GDK_SHIFT_MASK)
output[1] = keys[1];
else
output[1] = keys[0];
use_ucsoutput = FALSE;
goto done;
}
}
/*
* Application keypad mode.
*/
if (inst->term->app_keypad_keys && !inst->cfg.no_applic_k) {
int xkey = 0;
switch (event->keyval) {
case GDK_Num_Lock: xkey = 'P'; break;
case GDK_KP_Divide: xkey = 'Q'; break;
case GDK_KP_Multiply: xkey = 'R'; break;
case GDK_KP_Subtract: xkey = 'S'; break;
/*
* Keypad + is tricky. It covers a space that would
* be taken up on the VT100 by _two_ keys; so we
* let Shift select between the two. Worse still,
* in xterm function key mode we change which two...
*/
case GDK_KP_Add:
if (inst->cfg.funky_type == FUNKY_XTERM) {
if (event->state & GDK_SHIFT_MASK)
xkey = 'l';
else
xkey = 'k';
} else if (event->state & GDK_SHIFT_MASK)
xkey = 'm';
else
xkey = 'l';
break;
case GDK_KP_Enter: xkey = 'M'; break;
case GDK_KP_0: case GDK_KP_Insert: xkey = 'p'; break;
case GDK_KP_1: case GDK_KP_End: xkey = 'q'; break;
case GDK_KP_2: case GDK_KP_Down: xkey = 'r'; break;
case GDK_KP_3: case GDK_KP_Page_Down: xkey = 's'; break;
case GDK_KP_4: case GDK_KP_Left: xkey = 't'; break;
case GDK_KP_5: case GDK_KP_Begin: xkey = 'u'; break;
case GDK_KP_6: case GDK_KP_Right: xkey = 'v'; break;
case GDK_KP_7: case GDK_KP_Home: xkey = 'w'; break;
case GDK_KP_8: case GDK_KP_Up: xkey = 'x'; break;
case GDK_KP_9: case GDK_KP_Page_Up: xkey = 'y'; break;
case GDK_KP_Decimal: case GDK_KP_Delete: xkey = 'n'; break;
}
if (xkey) {
if (inst->term->vt52_mode) {
if (xkey >= 'P' && xkey <= 'S')
end = 1 + sprintf(output+1, "\033%c", xkey);
else
end = 1 + sprintf(output+1, "\033?%c", xkey);
} else
end = 1 + sprintf(output+1, "\033O%c", xkey);
use_ucsoutput = FALSE;
goto done;
}
}
/*
* Next, all the keys that do tilde codes. (ESC '[' nn '~',
* for integer decimal nn.)
*
* We also deal with the weird ones here. Linux VCs replace F1
* to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
* does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
* respectively.
*/
{
int code = 0;
switch (event->keyval) {
case GDK_F1:
code = (event->state & GDK_SHIFT_MASK ? 23 : 11);
break;
case GDK_F2:
code = (event->state & GDK_SHIFT_MASK ? 24 : 12);
break;
case GDK_F3:
code = (event->state & GDK_SHIFT_MASK ? 25 : 13);
break;
case GDK_F4:
code = (event->state & GDK_SHIFT_MASK ? 26 : 14);
break;
case GDK_F5:
code = (event->state & GDK_SHIFT_MASK ? 28 : 15);
break;
case GDK_F6:
code = (event->state & GDK_SHIFT_MASK ? 29 : 17);
break;
case GDK_F7:
code = (event->state & GDK_SHIFT_MASK ? 31 : 18);
break;
case GDK_F8:
code = (event->state & GDK_SHIFT_MASK ? 32 : 19);
break;
case GDK_F9:
code = (event->state & GDK_SHIFT_MASK ? 33 : 20);
break;
case GDK_F10:
code = (event->state & GDK_SHIFT_MASK ? 34 : 21);
break;
case GDK_F11:
code = 23;
break;
case GDK_F12:
code = 24;
break;
case GDK_F13:
code = 25;
break;
case GDK_F14:
code = 26;
break;
case GDK_F15:
code = 28;
break;
case GDK_F16:
code = 29;
break;
case GDK_F17:
code = 31;
break;
case GDK_F18:
code = 32;
break;
case GDK_F19:
code = 33;
break;
case GDK_F20:
code = 34;
break;
}
if (!(event->state & GDK_CONTROL_MASK)) switch (event->keyval) {
case GDK_Home: case GDK_KP_Home:
code = 1;
break;
case GDK_Insert: case GDK_KP_Insert:
code = 2;
break;
case GDK_Delete: case GDK_KP_Delete:
code = 3;
break;
case GDK_End: case GDK_KP_End:
code = 4;
break;
case GDK_Page_Up: case GDK_KP_Page_Up:
code = 5;
break;
case GDK_Page_Down: case GDK_KP_Page_Down:
code = 6;
break;
}
/* Reorder edit keys to physical order */
if (inst->cfg.funky_type == FUNKY_VT400 && code <= 6)
code = "\0\2\1\4\5\3\6"[code];
if (inst->term->vt52_mode && code > 0 && code <= 6) {
end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
use_ucsoutput = FALSE;
goto done;
}
if (inst->cfg.funky_type == FUNKY_SCO && /* SCO function keys */
code >= 11 && code <= 34) {
char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
int index = 0;
switch (event->keyval) {
case GDK_F1: index = 0; break;
case GDK_F2: index = 1; break;
case GDK_F3: index = 2; break;
case GDK_F4: index = 3; break;
case GDK_F5: index = 4; break;
case GDK_F6: index = 5; break;
case GDK_F7: index = 6; break;
case GDK_F8: index = 7; break;
case GDK_F9: index = 8; break;
case GDK_F10: index = 9; break;
case GDK_F11: index = 10; break;
case GDK_F12: index = 11; break;
}
if (event->state & GDK_SHIFT_MASK) index += 12;
if (event->state & GDK_CONTROL_MASK) index += 24;
end = 1 + sprintf(output+1, "\x1B[%c", codes[index]);
use_ucsoutput = FALSE;
goto done;
}
if (inst->cfg.funky_type == FUNKY_SCO && /* SCO small keypad */
code >= 1 && code <= 6) {
char codes[] = "HL.FIG";
if (code == 3) {
output[1] = '\x7F';
end = 2;
} else {
end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
}
use_ucsoutput = FALSE;
goto done;
}
if ((inst->term->vt52_mode || inst->cfg.funky_type == FUNKY_VT100P) &&
code >= 11 && code <= 24) {
int offt = 0;
if (code > 15)
offt++;
if (code > 21)
offt++;
if (inst->term->vt52_mode)
end = 1 + sprintf(output+1,
"\x1B%c", code + 'P' - 11 - offt);
else
end = 1 + sprintf(output+1,
"\x1BO%c", code + 'P' - 11 - offt);
use_ucsoutput = FALSE;
goto done;
}
if (inst->cfg.funky_type == FUNKY_LINUX && code >= 11 && code <= 15) {
end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
use_ucsoutput = FALSE;
goto done;
}
if (inst->cfg.funky_type == FUNKY_XTERM && code >= 11 && code <= 14) {
if (inst->term->vt52_mode)
end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
else
end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
use_ucsoutput = FALSE;
goto done;
}
if (inst->cfg.rxvt_homeend && (code == 1 || code == 4)) {
end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
use_ucsoutput = FALSE;
goto done;
}
if (code) {
end = 1 + sprintf(output+1, "\x1B[%d~", code);
use_ucsoutput = FALSE;
goto done;
}
}
/*
* Cursor keys. (This includes the numberpad cursor keys,
* if we haven't already done them due to app keypad mode.)
*
* Here we also process un-numlocked un-appkeypadded KP5,
* which sends ESC [ G.
*/
{
int xkey = 0;
switch (event->keyval) {
case GDK_Up: case GDK_KP_Up: xkey = 'A'; break;
case GDK_Down: case GDK_KP_Down: xkey = 'B'; break;
case GDK_Right: case GDK_KP_Right: xkey = 'C'; break;
case GDK_Left: case GDK_KP_Left: xkey = 'D'; break;
case GDK_Begin: case GDK_KP_Begin: xkey = 'G'; break;
}
if (xkey) {
/*
* The arrow keys normally do ESC [ A and so on. In
* app cursor keys mode they do ESC O A instead.
* Ctrl toggles the two modes.
*/
if (inst->term->vt52_mode) {
end = 1 + sprintf(output+1, "\033%c", xkey);
} else if (!inst->term->app_cursor_keys ^
!(event->state & GDK_CONTROL_MASK)) {
end = 1 + sprintf(output+1, "\033O%c", xkey);
} else {
end = 1 + sprintf(output+1, "\033[%c", xkey);
}
use_ucsoutput = FALSE;
goto done;
}
}
goto done;
}
done:
if (end-start > 0) {
#ifdef KEY_DEBUGGING
int i;
printf("generating sequence:");
for (i = start; i < end; i++)
printf(" %02x", (unsigned char) output[i]);
printf("\n");
#endif
if (special) {
/*
* For special control characters, the character set
* should never matter.
*/
output[end] = '\0'; /* NUL-terminate */
if (inst->ldisc)
ldisc_send(inst->ldisc, output+start, -2, 1);
} else if (!inst->direct_to_font) {
if (!use_ucsoutput) {
/*
* The stuff we've just generated is assumed to be
* ISO-8859-1! This sounds insane, but `man
* XLookupString' agrees: strings of this type
* returned from the X server are hardcoded to
* 8859-1. Strictly speaking we should be doing
* this using some sort of GtkIMContext, which (if
* we're lucky) would give us our data directly in
* Unicode; but that's not supported in GTK 1.2 as
* far as I can tell, and it's poorly documented
* even in 2.0, so it'll have to wait.
*/
if (inst->ldisc)
lpage_send(inst->ldisc, CS_ISO8859_1, output+start,
end-start, 1);
} else {
/*
* We generated our own Unicode key data from the
* keysym, so use that instead.
*/
if (inst->ldisc)
luni_send(inst->ldisc, ucsoutput+start, end-start, 1);
}
} else {
/*
* In direct-to-font mode, we just send the string
* exactly as we received it.
*/
if (inst->ldisc)
ldisc_send(inst->ldisc, output+start, end-start, 1);
}
show_mouseptr(inst, 0);
term_seen_key_event(inst->term);
}
return TRUE;
}
gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int shift, ctrl, alt, x, y, button, act;
/* Remember the timestamp. */
inst->input_event_time = event->time;
show_mouseptr(inst, 1);
if (event->button == 4 && event->type == GDK_BUTTON_PRESS) {
term_scroll(inst->term, 0, -5);
return TRUE;
}
if (event->button == 5 && event->type == GDK_BUTTON_PRESS) {
term_scroll(inst->term, 0, +5);
return TRUE;
}
shift = event->state & GDK_SHIFT_MASK;
ctrl = event->state & GDK_CONTROL_MASK;
alt = event->state & GDK_MOD1_MASK;
if (event->button == 3 && ctrl) {
gtk_menu_popup(GTK_MENU(inst->menu), NULL, NULL, NULL, NULL,
event->button, event->time);
return TRUE;
}
if (event->button == 1)
button = MBT_LEFT;
else if (event->button == 2)
button = MBT_MIDDLE;
else if (event->button == 3)
button = MBT_RIGHT;
else
return FALSE; /* don't even know what button! */
switch (event->type) {
case GDK_BUTTON_PRESS: act = MA_CLICK; break;
case GDK_BUTTON_RELEASE: act = MA_RELEASE; break;
case GDK_2BUTTON_PRESS: act = MA_2CLK; break;
case GDK_3BUTTON_PRESS: act = MA_3CLK; break;
default: return FALSE; /* don't know this event type */
}
if (send_raw_mouse && !(inst->cfg.mouse_override && shift) &&
act != MA_CLICK && act != MA_RELEASE)
return TRUE; /* we ignore these in raw mouse mode */
x = (event->x - inst->cfg.window_border) / inst->font_width;
y = (event->y - inst->cfg.window_border) / inst->font_height;
term_mouse(inst->term, button, translate_button(button), act,
x, y, shift, ctrl, alt);
return TRUE;
}
gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int shift, ctrl, alt, x, y, button;
/* Remember the timestamp. */
inst->input_event_time = event->time;
show_mouseptr(inst, 1);
shift = event->state & GDK_SHIFT_MASK;
ctrl = event->state & GDK_CONTROL_MASK;
alt = event->state & GDK_MOD1_MASK;
if (event->state & GDK_BUTTON1_MASK)
button = MBT_LEFT;
else if (event->state & GDK_BUTTON2_MASK)
button = MBT_MIDDLE;
else if (event->state & GDK_BUTTON3_MASK)
button = MBT_RIGHT;
else
return FALSE; /* don't even know what button! */
x = (event->x - inst->cfg.window_border) / inst->font_width;
y = (event->y - inst->cfg.window_border) / inst->font_height;
term_mouse(inst->term, button, translate_button(button), MA_DRAG,
x, y, shift, ctrl, alt);
return TRUE;
}
void frontend_keypress(void *handle)
{
struct gui_data *inst = (struct gui_data *)handle;
/*
* If our child process has exited but not closed, terminate on
* any keypress.
*/
if (inst->exited)
exit(0);
}
void notify_remote_exit(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
int exitcode;
if (!inst->exited &&
(exitcode = inst->back->exitcode(inst->backhandle)) >= 0) {
inst->exited = TRUE;
if (inst->cfg.close_on_exit == FORCE_ON ||
(inst->cfg.close_on_exit == AUTO && exitcode == 0))
exit(0); /* just go. */
if (inst->ldisc) {
ldisc_free(inst->ldisc);
inst->ldisc = NULL;
}
if (inst->back) {
inst->back->free(inst->backhandle);
inst->backhandle = NULL;
inst->back = NULL;
update_specials_menu(inst);
}
gtk_widget_show(inst->restartitem);
}
}
static gint timer_trigger(gpointer data)
{
long now = GPOINTER_TO_INT(data);
long next;
long ticks;
if (run_timers(now, &next)) {
ticks = next - GETTICKCOUNT();
timer_id = gtk_timeout_add(ticks > 0 ? ticks : 1, timer_trigger,
GINT_TO_POINTER(next));
}
/*
* Never let a timer resume. If we need another one, we've
* asked for it explicitly above.
*/
return FALSE;
}
void timer_change_notify(long next)
{
long ticks;
if (timer_id)
gtk_timeout_remove(timer_id);
ticks = next - GETTICKCOUNT();
if (ticks <= 0)
ticks = 1; /* just in case */
timer_id = gtk_timeout_add(ticks, timer_trigger,
GINT_TO_POINTER(next));
}
void fd_input_func(gpointer data, gint sourcefd, GdkInputCondition condition)
{
/*
* We must process exceptional notifications before ordinary
* readability ones, or we may go straight past the urgent
* marker.
*/
if (condition & GDK_INPUT_EXCEPTION)
select_result(sourcefd, 4);
if (condition & GDK_INPUT_READ)
select_result(sourcefd, 1);
if (condition & GDK_INPUT_WRITE)
select_result(sourcefd, 2);
}
void destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
gint focus_event(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_set_focus(inst->term, event->in);
term_update(inst->term);
show_mouseptr(inst, 1);
return FALSE;
}
/*
* set or clear the "raw mouse message" mode
*/
void set_raw_mouse_mode(void *frontend, int activate)
{
struct gui_data *inst = (struct gui_data *)frontend;
activate = activate && !inst->cfg.no_mouse_rep;
send_raw_mouse = activate;
if (send_raw_mouse)
inst->currcursor = inst->rawcursor;
else
inst->currcursor = inst->textcursor;
show_mouseptr(inst, inst->mouseptr_visible);
}
void request_resize(void *frontend, int w, int h)
{
struct gui_data *inst = (struct gui_data *)frontend;
int large_x, large_y;
int offset_x, offset_y;
int area_x, area_y;
GtkRequisition inner, outer;
/*
* This is a heinous hack dreamed up by the gnome-terminal
* people to get around a limitation in gtk. The problem is
* that in order to set the size correctly we really need to be
* calling gtk_window_resize - but that needs to know the size
* of the _whole window_, not the drawing area. So what we do
* is to set an artificially huge size request on the drawing
* area, recompute the resulting size request on the window,
* and look at the difference between the two. That gives us
* the x and y offsets we need to translate drawing area size
* into window size for real, and then we call
* gtk_window_resize.
*/
/*
* We start by retrieving the current size of the whole window.
* Adding a bit to _that_ will give us a value we can use as a
* bogus size request which guarantees to be bigger than the
* current size of the drawing area.
*/
get_window_pixels(inst, &large_x, &large_y);
large_x += 32;
large_y += 32;
#if GTK_CHECK_VERSION(2,0,0)
gtk_widget_set_size_request(inst->area, large_x, large_y);
#else
gtk_widget_set_usize(inst->area, large_x, large_y);
#endif
gtk_widget_size_request(inst->area, &inner);
gtk_widget_size_request(inst->window, &outer);
offset_x = outer.width - inner.width;
offset_y = outer.height - inner.height;
area_x = inst->font_width * w + 2*inst->cfg.window_border;
area_y = inst->font_height * h + 2*inst->cfg.window_border;
/*
* Now we must set the size request on the drawing area back to
* something sensible before we commit the real resize. Best
* way to do this, I think, is to set it to what the size is
* really going to end up being.
*/
#if GTK_CHECK_VERSION(2,0,0)
gtk_widget_set_size_request(inst->area, area_x, area_y);
#else
gtk_widget_set_usize(inst->area, area_x, area_y);
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), area_x, area_y);
#endif
gtk_container_dequeue_resize_handler(GTK_CONTAINER(inst->window));
#if GTK_CHECK_VERSION(2,0,0)
gtk_window_resize(GTK_WINDOW(inst->window),
area_x + offset_x, area_y + offset_y);
#else
gdk_window_resize(inst->window->window,
area_x + offset_x, area_y + offset_y);
#endif
}
static void real_palette_set(struct gui_data *inst, int n, int r, int g, int b)
{
gboolean success[1];
inst->cols[n].red = r * 0x0101;
inst->cols[n].green = g * 0x0101;
inst->cols[n].blue = b * 0x0101;
gdk_colormap_free_colors(inst->colmap, inst->cols + n, 1);
gdk_colormap_alloc_colors(inst->colmap, inst->cols + n, 1,
FALSE, FALSE, success);
if (!success[0])
g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n", appname,
n, r, g, b);
}
void set_window_background(struct gui_data *inst)
{
if (inst->area && inst->area->window)
gdk_window_set_background(inst->area->window, &inst->cols[258]);
if (inst->window && inst->window->window)
gdk_window_set_background(inst->window->window, &inst->cols[258]);
}
void palette_set(void *frontend, int n, int r, int g, int b)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (n >= 16)
n += 256 - 16;
if (n > NALLCOLOURS)
return;
real_palette_set(inst, n, r, g, b);
if (n == 258)
set_window_background(inst);
}
void palette_reset(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
/* This maps colour indices in inst->cfg to those used in inst->cols. */
static const int ww[] = {
256, 257, 258, 259, 260, 261,
0, 8, 1, 9, 2, 10, 3, 11,
4, 12, 5, 13, 6, 14, 7, 15
};
gboolean success[NALLCOLOURS];
int i;
assert(lenof(ww) == NCFGCOLOURS);
if (!inst->colmap) {
inst->colmap = gdk_colormap_get_system();
} else {
gdk_colormap_free_colors(inst->colmap, inst->cols, NALLCOLOURS);
}
for (i = 0; i < NCFGCOLOURS; i++) {
inst->cols[ww[i]].red = inst->cfg.colours[i][0] * 0x0101;
inst->cols[ww[i]].green = inst->cfg.colours[i][1] * 0x0101;
inst->cols[ww[i]].blue = inst->cfg.colours[i][2] * 0x0101;
}
for (i = 0; i < NEXTCOLOURS; i++) {
if (i < 216) {
int r = i / 36, g = (i / 6) % 6, b = i % 6;
inst->cols[i+16].red = r * 0x3333;
inst->cols[i+16].green = g * 0x3333;
inst->cols[i+16].blue = b * 0x3333;
} else {
int shade = i - 216;
shade = (shade + 1) * 0xFFFF / (NEXTCOLOURS - 216 + 1);
inst->cols[i+16].red = inst->cols[i+16].green =
inst->cols[i+16].blue = shade;
}
}
gdk_colormap_alloc_colors(inst->colmap, inst->cols, NALLCOLOURS,
FALSE, FALSE, success);
for (i = 0; i < NALLCOLOURS; i++) {
if (!success[i])
g_error("%s: couldn't allocate colour %d (#%02x%02x%02x)\n",
appname, i, inst->cfg.colours[i][0],
inst->cfg.colours[i][1], inst->cfg.colours[i][2]);
}
set_window_background(inst);
}
/* Ensure that all the cut buffers exist - according to the ICCCM, we must
* do this before we start using cut buffers.
*/
void init_cutbuffers()
{
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, "", 0);
}
/* Store the data in a cut-buffer. */
void store_cutbuffer(char * ptr, int len)
{
/* ICCCM says we must rotate the buffers before storing to buffer 0. */
XRotateBuffers(GDK_DISPLAY(), 1);
XStoreBytes(GDK_DISPLAY(), ptr, len);
}
/* Retrieve data from a cut-buffer.
* Returned data needs to be freed with XFree().
*/
char * retrieve_cutbuffer(int * nbytes)
{
char * ptr;
ptr = XFetchBytes(GDK_DISPLAY(), nbytes);
if (*nbytes <= 0 && ptr != 0) {
XFree(ptr);
ptr = 0;
}
return ptr;
}
void write_clip(void *frontend, wchar_t * data, int len, int must_deselect)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (inst->pasteout_data)
sfree(inst->pasteout_data);
if (inst->pasteout_data_ctext)
sfree(inst->pasteout_data_ctext);
if (inst->pasteout_data_utf8)
sfree(inst->pasteout_data_utf8);
/*
* Set up UTF-8 and compound text paste data. This only happens
* if we aren't in direct-to-font mode using the D800 hack.
*/
if (!inst->direct_to_font) {
wchar_t *tmp = data;
int tmplen = len;
XTextProperty tp;
char *list[1];
inst->pasteout_data_utf8 = snewn(len*6, char);
inst->pasteout_data_utf8_len = len*6;
inst->pasteout_data_utf8_len =
charset_from_unicode(&tmp, &tmplen, inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len,
CS_UTF8, NULL, NULL, 0);
if (inst->pasteout_data_utf8_len == 0) {
sfree(inst->pasteout_data_utf8);
inst->pasteout_data_utf8 = NULL;
} else {
inst->pasteout_data_utf8 =
sresize(inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len + 1, char);
inst->pasteout_data_utf8[inst->pasteout_data_utf8_len] = '\0';
}
/*
* Now let Xlib convert our UTF-8 data into compound text.
*/
list[0] = inst->pasteout_data_utf8;
if (Xutf8TextListToTextProperty(GDK_DISPLAY(), list, 1,
XCompoundTextStyle, &tp) == 0) {
inst->pasteout_data_ctext = snewn(tp.nitems+1, char);
memcpy(inst->pasteout_data_ctext, tp.value, tp.nitems);
inst->pasteout_data_ctext_len = tp.nitems;
XFree(tp.value);
} else {
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
}
} else {
inst->pasteout_data_utf8 = NULL;
inst->pasteout_data_utf8_len = 0;
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
}
inst->pasteout_data = snewn(len*6, char);
inst->pasteout_data_len = len*6;
inst->pasteout_data_len = wc_to_mb(inst->ucsdata.line_codepage, 0,
data, len, inst->pasteout_data,
inst->pasteout_data_len,
NULL, NULL, NULL);
if (inst->pasteout_data_len == 0) {
sfree(inst->pasteout_data);
inst->pasteout_data = NULL;
} else {
inst->pasteout_data =
sresize(inst->pasteout_data, inst->pasteout_data_len, char);
}
store_cutbuffer(inst->pasteout_data, inst->pasteout_data_len);
if (gtk_selection_owner_set(inst->area, GDK_SELECTION_PRIMARY,
inst->input_event_time)) {
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
if (inst->pasteout_data_ctext)
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
compound_text_atom, 1);
if (inst->pasteout_data_utf8)
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
utf8_string_atom, 1);
}
if (must_deselect)
term_deselect(inst->term);
}
void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
guint info, guint time_stamp, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (seldata->target == utf8_string_atom)
gtk_selection_data_set(seldata, seldata->target, 8,
inst->pasteout_data_utf8,
inst->pasteout_data_utf8_len);
else if (seldata->target == compound_text_atom)
gtk_selection_data_set(seldata, seldata->target, 8,
inst->pasteout_data_ctext,
inst->pasteout_data_ctext_len);
else
gtk_selection_data_set(seldata, seldata->target, 8,
inst->pasteout_data, inst->pasteout_data_len);
}
gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_deselect(inst->term);
if (inst->pasteout_data)
sfree(inst->pasteout_data);
if (inst->pasteout_data_ctext)
sfree(inst->pasteout_data_ctext);
if (inst->pasteout_data_utf8)
sfree(inst->pasteout_data_utf8);
inst->pasteout_data = NULL;
inst->pasteout_data_len = 0;
inst->pasteout_data_ctext = NULL;
inst->pasteout_data_ctext_len = 0;
inst->pasteout_data_utf8 = NULL;
inst->pasteout_data_utf8_len = 0;
return TRUE;
}
void request_paste(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
/*
* In Unix, pasting is asynchronous: all we can do at the
* moment is to call gtk_selection_convert(), and when the data
* comes back _then_ we can call term_do_paste().
*/
if (!inst->direct_to_font) {
/*
* First we attempt to retrieve the selection as a UTF-8
* string (which we will convert to the correct code page
* before sending to the session, of course). If that
* fails, selection_received() will be informed and will
* fall back to an ordinary string.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
utf8_string_atom,
inst->input_event_time);
} else {
/*
* If we're in direct-to-font mode, we disable UTF-8
* pasting, and go straight to ordinary string data.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
}
}
gint idle_paste_func(gpointer data); /* forward ref */
void selection_received(GtkWidget *widget, GtkSelectionData *seldata,
guint time, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
XTextProperty tp;
char **list;
char *text;
int length, count, ret;
int free_list_required = 0;
int free_required = 0;
int charset;
if (seldata->target == utf8_string_atom && seldata->length <= 0) {
/*
* Failed to get a UTF-8 selection string. Try compound
* text next.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
compound_text_atom,
inst->input_event_time);
return;
}
if (seldata->target == compound_text_atom && seldata->length <= 0) {
/*
* Failed to get UTF-8 or compound text. Try an ordinary
* string.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
return;
}
/*
* If we have data, but it's not of a type we can deal with,
* we have to ignore the data.
*/
if (seldata->length > 0 &&
seldata->type != GDK_SELECTION_TYPE_STRING &&
seldata->type != compound_text_atom &&
seldata->type != utf8_string_atom)
return;
/*
* If we have no data, try looking in a cut buffer.
*/
if (seldata->length <= 0) {
text = retrieve_cutbuffer(&length);
if (length == 0)
return;
/* Xterm is rumoured to expect Latin-1, though I havn't checked the
* source, so use that as a de-facto standard. */
charset = CS_ISO8859_1;
free_required = 1;
} else {
/*
* Convert COMPOUND_TEXT into UTF-8.
*/
if (seldata->type == compound_text_atom) {
tp.value = seldata->data;
tp.encoding = (Atom) seldata->type;
tp.format = seldata->format;
tp.nitems = seldata->length;
ret = Xutf8TextPropertyToTextList(GDK_DISPLAY(), &tp,
&list, &count);
if (ret != 0 || count != 1) {
/*
* Compound text failed; fall back to STRING.
*/
gtk_selection_convert(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING,
inst->input_event_time);
return;
}
text = list[0];
length = strlen(list[0]);
charset = CS_UTF8;
free_list_required = 1;
} else {
text = (char *)seldata->data;
length = seldata->length;
charset = (seldata->type == utf8_string_atom ?
CS_UTF8 : inst->ucsdata.line_codepage);
}
}
if (inst->pastein_data)
sfree(inst->pastein_data);
inst->pastein_data = snewn(length, wchar_t);
inst->pastein_data_len = length;
inst->pastein_data_len =
mb_to_wc(charset, 0, text, length,
inst->pastein_data, inst->pastein_data_len);
term_do_paste(inst->term);
if (term_paste_pending(inst->term))
inst->term_paste_idle_id = gtk_idle_add(idle_paste_func, inst);
if (free_list_required)
XFreeStringList(list);
if (free_required)
XFree(text);
}
gint idle_paste_func(gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (term_paste_pending(inst->term))
term_paste(inst->term);
else
gtk_idle_remove(inst->term_paste_idle_id);
return TRUE;
}
void get_clip(void *frontend, wchar_t ** p, int *len)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (p) {
*p = inst->pastein_data;
*len = inst->pastein_data_len;
}
}
static void set_window_titles(struct gui_data *inst)
{
/*
* We must always call set_icon_name after calling set_title,
* since set_title will write both names. Irritating, but such
* is life.
*/
gtk_window_set_title(GTK_WINDOW(inst->window), inst->wintitle);
if (!inst->cfg.win_name_always)
gdk_window_set_icon_name(inst->window->window, inst->icontitle);
}
void set_title(void *frontend, char *title)
{
struct gui_data *inst = (struct gui_data *)frontend;
strncpy(inst->wintitle, title, lenof(inst->wintitle));
inst->wintitle[lenof(inst->wintitle)-1] = '\0';
set_window_titles(inst);
}
void set_icon(void *frontend, char *title)
{
struct gui_data *inst = (struct gui_data *)frontend;
strncpy(inst->icontitle, title, lenof(inst->icontitle));
inst->icontitle[lenof(inst->icontitle)-1] = '\0';
set_window_titles(inst);
}
void set_sbar(void *frontend, int total, int start, int page)
{
struct gui_data *inst = (struct gui_data *)frontend;
if (!inst->cfg.scrollbar)
return;
inst->sbar_adjust->lower = 0;
inst->sbar_adjust->upper = total;
inst->sbar_adjust->value = start;
inst->sbar_adjust->page_size = page;
inst->sbar_adjust->step_increment = 1;
inst->sbar_adjust->page_increment = page/2;
inst->ignore_sbar = TRUE;
gtk_adjustment_changed(inst->sbar_adjust);
inst->ignore_sbar = FALSE;
}
void scrollbar_moved(GtkAdjustment *adj, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!inst->cfg.scrollbar)
return;
if (!inst->ignore_sbar)
term_scroll(inst->term, 1, (int)adj->value);
}
void sys_cursor(void *frontend, int x, int y)
{
/*
* This is meaningless under X.
*/
}
/*
* This is still called when mode==BELL_VISUAL, even though the
* visual bell is handled entirely within terminal.c, because we
* may want to perform additional actions on any kind of bell (for
* example, taskbar flashing in Windows).
*/
void beep(void *frontend, int mode)
{
if (mode != BELL_VISUAL)
gdk_beep();
}
int char_width(Context ctx, int uc)
{
/*
* Under X, any fixed-width font really _is_ fixed-width.
* Double-width characters will be dealt with using a separate
* font. For the moment we can simply return 1.
*/
return 1;
}
Context get_ctx(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
struct draw_ctx *dctx;
if (!inst->area->window)
return NULL;
dctx = snew(struct draw_ctx);
dctx->inst = inst;
dctx->gc = gdk_gc_new(inst->area->window);
return dctx;
}
void free_ctx(Context ctx)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
/* struct gui_data *inst = dctx->inst; */
GdkGC *gc = dctx->gc;
gdk_gc_unref(gc);
sfree(dctx);
}
/*
* Draw a line of text in the window, at given character
* coordinates, in given attributes.
*
* We are allowed to fiddle with the contents of `text'.
*/
void do_text_internal(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
GdkGC *gc = dctx->gc;
int ncombining, combining;
int nfg, nbg, t, fontid, shadow, rlen, widefactor;
if (attr & TATTR_COMBINING) {
ncombining = len;
len = 1;
} else
ncombining = 1;
nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
if (attr & ATTR_REVERSE) {
t = nfg;
nfg = nbg;
nbg = t;
}
if (inst->cfg.bold_colour && (attr & ATTR_BOLD)) {
if (nfg < 16) nfg |= 8;
else if (nfg >= 256) nfg |= 1;
}
if (inst->cfg.bold_colour && (attr & ATTR_BLINK)) {
if (nbg < 16) nbg |= 8;
else if (nbg >= 256) nbg |= 1;
}
if (attr & TATTR_ACTCURS) {
nfg = 260;
nbg = 261;
}
fontid = shadow = 0;
if (attr & ATTR_WIDE) {
widefactor = 2;
fontid |= 2;
} else {
widefactor = 1;
}
if ((attr & ATTR_BOLD) && !inst->cfg.bold_colour) {
if (inst->fonts[fontid | 1])
fontid |= 1;
else
shadow = 1;
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
rlen = len * 2;
} else
rlen = len;
{
GdkRectangle r;
r.x = x*inst->font_width+inst->cfg.window_border;
r.y = y*inst->font_height+inst->cfg.window_border;
r.width = rlen*widefactor*inst->font_width;
r.height = inst->font_height;
gdk_gc_set_clip_rectangle(gc, &r);
}
gdk_gc_set_foreground(gc, &inst->cols[nbg]);
gdk_draw_rectangle(inst->pixmap, gc, 1,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
rlen*widefactor*inst->font_width, inst->font_height);
gdk_gc_set_foreground(gc, &inst->cols[nfg]);
{
GdkWChar *gwcs;
gchar *gcs;
wchar_t *wcs;
int i;
wcs = snewn(len*ncombining+1, wchar_t);
for (i = 0; i < len*ncombining; i++) {
wcs[i] = text[i];
}
if (inst->fonts[fontid] == NULL) {
/*
* The font for this contingency does not exist.
* Typically this means we've been given ATTR_WIDE
* character and have no wide font. So we display
* nothing at all; such is life.
*/
} else if (inst->fontinfo[fontid].is_wide) {
/*
* At least one version of gdk_draw_text_wc() has a
* weird bug whereby it reads `len' elements of the
* input string, but only draws `len/2'. Hence I'm
* going to make its input array twice as long as it
* theoretically needs to be, and pass in twice the
* actual number of characters. If a fixed gdk actually
* takes the doubled length seriously, then (a) the
* array will stand scrutiny up to the full length, (b)
* the spare elements of the array are full of zeroes
* which will probably be an empty glyph in the font,
* and (c) the clip rectangle should prevent it causing
* trouble anyway.
*/
gwcs = snewn(len*2+1, GdkWChar);
memset(gwcs, 0, sizeof(GdkWChar) * (len*2+1));
/*
* FIXME: when we have a wide-char equivalent of
* from_unicode, use it instead of this.
*/
for (combining = 0; combining < ncombining; combining++) {
for (i = 0; i <= len; i++)
gwcs[i] = wcs[i + combining];
gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
gwcs, len*2);
if (shadow)
gdk_draw_text_wc(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+inst->cfg.window_border+inst->cfg.shadowboldoffset,
y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
gwcs, len*2);
}
sfree(gwcs);
} else {
gcs = snewn(len+1, gchar);
for (combining = 0; combining < ncombining; combining++) {
wc_to_mb(inst->fontinfo[fontid].charset, 0,
wcs + combining, len, gcs, len, ".", NULL, NULL);
gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
gcs, len);
if (shadow)
gdk_draw_text(inst->pixmap, inst->fonts[fontid], gc,
x*inst->font_width+inst->cfg.window_border+inst->cfg.shadowboldoffset,
y*inst->font_height+inst->cfg.window_border+inst->fonts[0]->ascent,
gcs, len);
}
sfree(gcs);
}
sfree(wcs);
}
if (attr & ATTR_UNDER) {
int uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
gdk_draw_line(inst->pixmap, gc, x*inst->font_width+inst->cfg.window_border,
y*inst->font_height + uheight + inst->cfg.window_border,
(x+len)*widefactor*inst->font_width-1+inst->cfg.window_border,
y*inst->font_height + uheight + inst->cfg.window_border);
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
/*
* I can't find any plausible StretchBlt equivalent in the
* X server, so I'm going to do this the slow and painful
* way. This will involve repeated calls to
* gdk_draw_pixmap() to stretch the text horizontally. It's
* O(N^2) in time and O(N) in network bandwidth, but you
* try thinking of a better way. :-(
*/
int i;
for (i = 0; i < len * widefactor * inst->font_width; i++) {
gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
x*inst->font_width+inst->cfg.window_border + 2*i,
y*inst->font_height+inst->cfg.window_border,
x*inst->font_width+inst->cfg.window_border + 2*i+1,
y*inst->font_height+inst->cfg.window_border,
len * widefactor * inst->font_width - i, inst->font_height);
}
len *= 2;
if ((lattr & LATTR_MODE) != LATTR_WIDE) {
int dt, db;
/* Now stretch vertically, in the same way. */
if ((lattr & LATTR_MODE) == LATTR_BOT)
dt = 0, db = 1;
else
dt = 1, db = 0;
for (i = 0; i < inst->font_height; i+=2) {
gdk_draw_pixmap(inst->pixmap, gc, inst->pixmap,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border+dt*i+db,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border+dt*(i+1),
len * widefactor * inst->font_width, inst->font_height-i-1);
}
}
}
}
void do_text(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
GdkGC *gc = dctx->gc;
int widefactor;
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (attr & ATTR_WIDE) {
widefactor = 2;
} else {
widefactor = 1;
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
len *= 2;
}
gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
len*widefactor*inst->font_width, inst->font_height);
}
void do_cursor(Context ctx, int x, int y, wchar_t *text, int len,
unsigned long attr, int lattr)
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
GdkGC *gc = dctx->gc;
int active, passive, widefactor;
if (attr & TATTR_PASCURS) {
attr &= ~TATTR_PASCURS;
passive = 1;
} else
passive = 0;
if ((attr & TATTR_ACTCURS) && inst->cfg.cursor_type != 0) {
attr &= ~TATTR_ACTCURS;
active = 1;
} else
active = 0;
do_text_internal(ctx, x, y, text, len, attr, lattr);
if (attr & TATTR_COMBINING)
len = 1;
if (attr & ATTR_WIDE) {
widefactor = 2;
} else {
widefactor = 1;
}
if ((lattr & LATTR_MODE) != LATTR_NORM) {
x *= 2;
if (x >= inst->term->cols)
return;
if (x + len*2*widefactor > inst->term->cols)
len = (inst->term->cols-x)/2/widefactor;/* trim to LH half */
len *= 2;
}
if (inst->cfg.cursor_type == 0) {
/*
* An active block cursor will already have been done by
* the above do_text call, so we only need to do anything
* if it's passive.
*/
if (passive) {
gdk_gc_set_foreground(gc, &inst->cols[261]);
gdk_draw_rectangle(inst->pixmap, gc, 0,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
len*widefactor*inst->font_width-1, inst->font_height-1);
}
} else {
int uheight;
int startx, starty, dx, dy, length, i;
int char_width;
if ((attr & ATTR_WIDE) || (lattr & LATTR_MODE) != LATTR_NORM)
char_width = 2*inst->font_width;
else
char_width = inst->font_width;
if (inst->cfg.cursor_type == 1) {
uheight = inst->fonts[0]->ascent + 1;
if (uheight >= inst->font_height)
uheight = inst->font_height - 1;
startx = x * inst->font_width + inst->cfg.window_border;
starty = y * inst->font_height + inst->cfg.window_border + uheight;
dx = 1;
dy = 0;
length = len * widefactor * char_width;
} else {
int xadjust = 0;
if (attr & TATTR_RIGHTCURS)
xadjust = char_width - 1;
startx = x * inst->font_width + inst->cfg.window_border + xadjust;
starty = y * inst->font_height + inst->cfg.window_border;
dx = 0;
dy = 1;
length = inst->font_height;
}
gdk_gc_set_foreground(gc, &inst->cols[261]);
if (passive) {
for (i = 0; i < length; i++) {
if (i % 2 == 0) {
gdk_draw_point(inst->pixmap, gc, startx, starty);
}
startx += dx;
starty += dy;
}
} else if (active) {
gdk_draw_line(inst->pixmap, gc, startx, starty,
startx + (length-1) * dx, starty + (length-1) * dy);
} /* else no cursor (e.g., blinked off) */
}
gdk_draw_pixmap(inst->area->window, gc, inst->pixmap,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
x*inst->font_width+inst->cfg.window_border,
y*inst->font_height+inst->cfg.window_border,
len*widefactor*inst->font_width, inst->font_height);
}
GdkCursor *make_mouse_ptr(struct gui_data *inst, int cursor_val)
{
/*
* Truly hideous hack: GTK doesn't allow us to set the mouse
* cursor foreground and background colours unless we've _also_
* created our own cursor from bitmaps. Therefore, I need to
* load the `cursor' font and draw glyphs from it on to
* pixmaps, in order to construct my cursors with the fg and bg
* I want. This is a gross hack, but it's more self-contained
* than linking in Xlib to find the X window handle to
* inst->area and calling XRecolorCursor, and it's more
* futureproof than hard-coding the shapes as bitmap arrays.
*/
static GdkFont *cursor_font = NULL;
GdkPixmap *source, *mask;
GdkGC *gc;
GdkColor cfg = { 0, 65535, 65535, 65535 };
GdkColor cbg = { 0, 0, 0, 0 };
GdkColor dfg = { 1, 65535, 65535, 65535 };
GdkColor dbg = { 0, 0, 0, 0 };
GdkCursor *ret;
gchar text[2];
gint lb, rb, wid, asc, desc, w, h, x, y;
if (cursor_val == -2) {
gdk_font_unref(cursor_font);
return NULL;
}
if (cursor_val >= 0 && !cursor_font)
cursor_font = gdk_font_load("cursor");
/*
* Get the text extent of the cursor in question. We use the
* mask character for this, because it's typically slightly
* bigger than the main character.
*/
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val + 1;
gdk_string_extents(cursor_font, text, &lb, &rb, &wid, &asc, &desc);
w = rb-lb; h = asc+desc; x = -lb; y = asc;
} else {
w = h = 1;
x = y = 0;
}
source = gdk_pixmap_new(NULL, w, h, 1);
mask = gdk_pixmap_new(NULL, w, h, 1);
/*
* Draw the mask character on the mask pixmap.
*/
gc = gdk_gc_new(mask);
gdk_gc_set_foreground(gc, &dbg);
gdk_draw_rectangle(mask, gc, 1, 0, 0, w, h);
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val + 1;
gdk_gc_set_foreground(gc, &dfg);
gdk_draw_text(mask, cursor_font, gc, x, y, text, 1);
}
gdk_gc_unref(gc);
/*
* Draw the main character on the source pixmap.
*/
gc = gdk_gc_new(source);
gdk_gc_set_foreground(gc, &dbg);
gdk_draw_rectangle(source, gc, 1, 0, 0, w, h);
if (cursor_val >= 0) {
text[1] = '\0';
text[0] = (char)cursor_val;
gdk_gc_set_foreground(gc, &dfg);
gdk_draw_text(source, cursor_font, gc, x, y, text, 1);
}
gdk_gc_unref(gc);
/*
* Create the cursor.
*/
ret = gdk_cursor_new_from_pixmap(source, mask, &cfg, &cbg, x, y);
/*
* Clean up.
*/
gdk_pixmap_unref(source);
gdk_pixmap_unref(mask);
return ret;
}
void modalfatalbox(char *p, ...)
{
va_list ap;
fprintf(stderr, "FATAL ERROR: ");
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
fputc('\n', stderr);
exit(1);
}
void cmdline_error(char *p, ...)
{
va_list ap;
fprintf(stderr, "%s: ", appname);
va_start(ap, p);
vfprintf(stderr, p, ap);
va_end(ap);
fputc('\n', stderr);
exit(1);
}
char *get_x_display(void *frontend)
{
return gdk_get_display();
}
long get_windowid(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
return (long)GDK_WINDOW_XWINDOW(inst->area->window);
}
static void help(FILE *fp) {
if(fprintf(fp,
"pterm option summary:\n"
"\n"
" --display DISPLAY Specify X display to use (note '--')\n"
" -name PREFIX Prefix when looking up resources (default: pterm)\n"
" -fn FONT Normal text font\n"
" -fb FONT Bold text font\n"
" -geometry GEOMETRY Position and size of window (size in characters)\n"
" -sl LINES Number of lines of scrollback\n"
" -fg COLOUR, -bg COLOUR Foreground/background colour\n"
" -bfg COLOUR, -bbg COLOUR Foreground/background bold colour\n"
" -cfg COLOUR, -bfg COLOUR Foreground/background cursor colour\n"
" -T TITLE Window title\n"
" -ut, +ut Do(default) or do not update utmp\n"
" -ls, +ls Do(default) or do not make shell a login shell\n"
" -sb, +sb Do(default) or do not display a scrollbar\n"
" -log PATH Log all output to a file\n"
" -nethack Map numeric keypad to hjklyubn direction keys\n"
" -xrm RESOURCE-STRING Set an X resource\n"
" -e COMMAND [ARGS...] Execute command (consumes all remaining args)\n"
) < 0 || fflush(fp) < 0) {
perror("output error");
exit(1);
}
}
int do_cmdline(int argc, char **argv, int do_everything,
struct gui_data *inst, Config *cfg)
{
int err = 0;
char *val;
/*
* Macros to make argument handling easier. Note that because
* they need to call `continue', they cannot be contained in
* the usual do {...} while (0) wrapper to make them
* syntactically single statements; hence it is not legal to
* use one of these macros as an unbraced statement between
* `if' and `else'.
*/
#define EXPECTS_ARG { \
if (--argc <= 0) { \
err = 1; \
fprintf(stderr, "%s: %s expects an argument\n", appname, p); \
continue; \
} else \
val = *++argv; \
}
#define SECOND_PASS_ONLY { if (!do_everything) continue; }
while (--argc > 0) {
char *p = *++argv;
int ret;
/*
* Shameless cheating. Debian requires all X terminal
* emulators to support `-T title'; but
* cmdline_process_param will eat -T (it means no-pty) and
* complain that pterm doesn't support it. So, in pterm
* only, we convert -T into -title.
*/
if ((cmdline_tooltype & TOOLTYPE_NONNETWORK) &&
!strcmp(p, "-T"))
p = "-title";
ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),
do_everything ? 1 : -1, cfg);
if (ret == -2) {
cmdline_error("option \"%s\" requires an argument", p);
} else if (ret == 2) {
--argc, ++argv; /* skip next argument */
continue;
} else if (ret == 1) {
continue;
}
if (!strcmp(p, "-fn") || !strcmp(p, "-font")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->font.name, val, sizeof(cfg->font.name));
cfg->font.name[sizeof(cfg->font.name)-1] = '\0';
} else if (!strcmp(p, "-fb")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->boldfont.name, val, sizeof(cfg->boldfont.name));
cfg->boldfont.name[sizeof(cfg->boldfont.name)-1] = '\0';
} else if (!strcmp(p, "-fw")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->widefont.name, val, sizeof(cfg->widefont.name));
cfg->widefont.name[sizeof(cfg->widefont.name)-1] = '\0';
} else if (!strcmp(p, "-fwb")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->wideboldfont.name, val, sizeof(cfg->wideboldfont.name));
cfg->wideboldfont.name[sizeof(cfg->wideboldfont.name)-1] = '\0';
} else if (!strcmp(p, "-cs")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->line_codepage, val, sizeof(cfg->line_codepage));
cfg->line_codepage[sizeof(cfg->line_codepage)-1] = '\0';
} else if (!strcmp(p, "-geometry")) {
int flags, x, y, w, h;
EXPECTS_ARG;
SECOND_PASS_ONLY;
flags = XParseGeometry(val, &x, &y, &w, &h);
if (flags & WidthValue)
cfg->width = w;
if (flags & HeightValue)
cfg->height = h;
if (flags & (XValue | YValue)) {
inst->xpos = x;
inst->ypos = y;
inst->gotpos = TRUE;
inst->gravity = ((flags & XNegative ? 1 : 0) |
(flags & YNegative ? 2 : 0));
}
} else if (!strcmp(p, "-sl")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
cfg->savelines = atoi(val);
} else if (!strcmp(p, "-fg") || !strcmp(p, "-bg") ||
!strcmp(p, "-bfg") || !strcmp(p, "-bbg") ||
!strcmp(p, "-cfg") || !strcmp(p, "-cbg")) {
GdkColor col;
EXPECTS_ARG;
SECOND_PASS_ONLY;
if (!gdk_color_parse(val, &col)) {
err = 1;
fprintf(stderr, "%s: unable to parse colour \"%s\"\n",
appname, val);
} else {
int index;
index = (!strcmp(p, "-fg") ? 0 :
!strcmp(p, "-bg") ? 2 :
!strcmp(p, "-bfg") ? 1 :
!strcmp(p, "-bbg") ? 3 :
!strcmp(p, "-cfg") ? 4 :
!strcmp(p, "-cbg") ? 5 : -1);
assert(index != -1);
cfg->colours[index][0] = col.red / 256;
cfg->colours[index][1] = col.green / 256;
cfg->colours[index][2] = col.blue / 256;
}
} else if (use_pty_argv && !strcmp(p, "-e")) {
/* This option swallows all further arguments. */
if (!do_everything)
break;
if (--argc > 0) {
int i;
pty_argv = snewn(argc+1, char *);
++argv;
for (i = 0; i < argc; i++)
pty_argv[i] = argv[i];
pty_argv[argc] = NULL;
break; /* finished command-line processing */
} else
err = 1, fprintf(stderr, "%s: -e expects an argument\n",
appname);
} else if (!strcmp(p, "-title")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->wintitle, val, sizeof(cfg->wintitle));
cfg->wintitle[sizeof(cfg->wintitle)-1] = '\0';
} else if (!strcmp(p, "-log")) {
EXPECTS_ARG;
SECOND_PASS_ONLY;
strncpy(cfg->logfilename.path, val, sizeof(cfg->logfilename.path));
cfg->logfilename.path[sizeof(cfg->logfilename.path)-1] = '\0';
cfg->logtype = LGTYP_DEBUG;
} else if (!strcmp(p, "-ut-") || !strcmp(p, "+ut")) {
SECOND_PASS_ONLY;
cfg->stamp_utmp = 0;
} else if (!strcmp(p, "-ut")) {
SECOND_PASS_ONLY;
cfg->stamp_utmp = 1;
} else if (!strcmp(p, "-ls-") || !strcmp(p, "+ls")) {
SECOND_PASS_ONLY;
cfg->login_shell = 0;
} else if (!strcmp(p, "-ls")) {
SECOND_PASS_ONLY;
cfg->login_shell = 1;
} else if (!strcmp(p, "-nethack")) {
SECOND_PASS_ONLY;
cfg->nethack_keypad = 1;
} else if (!strcmp(p, "-sb-") || !strcmp(p, "+sb")) {
SECOND_PASS_ONLY;
cfg->scrollbar = 0;
} else if (!strcmp(p, "-sb")) {
SECOND_PASS_ONLY;
cfg->scrollbar = 0;
} else if (!strcmp(p, "-name")) {
EXPECTS_ARG;
app_name = val;
} else if (!strcmp(p, "-xrm")) {
EXPECTS_ARG;
provide_xrm_string(val);
} else if(!strcmp(p, "-help") || !strcmp(p, "--help")) {
help(stdout);
exit(0);
} else if(p[0] != '-' && (!do_everything ||
process_nonoption_arg(p, cfg))) {
/* do nothing */
} else {
err = 1;
fprintf(stderr, "%s: unrecognized option '%s'\n", appname, p);
}
}
return err;
}
/*
* This function retrieves the character set encoding of a font. It
* returns the character set without the X11 hack (in case the user
* asks to use the font's own encoding).
*/
static int set_font_info(struct gui_data *inst, int fontid)
{
GdkFont *font = inst->fonts[fontid];
XFontStruct *xfs = GDK_FONT_XFONT(font);
Display *disp = GDK_FONT_XDISPLAY(font);
Atom charset_registry, charset_encoding;
unsigned long registry_ret, encoding_ret;
int retval = CS_NONE;
charset_registry = XInternAtom(disp, "CHARSET_REGISTRY", False);
charset_encoding = XInternAtom(disp, "CHARSET_ENCODING", False);
inst->fontinfo[fontid].charset = CS_NONE;
inst->fontinfo[fontid].is_wide = 0;
if (XGetFontProperty(xfs, charset_registry, &registry_ret) &&
XGetFontProperty(xfs, charset_encoding, &encoding_ret)) {
char *reg, *enc;
reg = XGetAtomName(disp, (Atom)registry_ret);
enc = XGetAtomName(disp, (Atom)encoding_ret);
if (reg && enc) {
char *encoding = dupcat(reg, "-", enc, NULL);
retval = inst->fontinfo[fontid].charset =
charset_from_xenc(encoding);
/* FIXME: when libcharset supports wide encodings fix this. */
if (!strcasecmp(encoding, "iso10646-1")) {
inst->fontinfo[fontid].is_wide = 1;
retval = CS_UTF8;
}
/*
* Hack for X line-drawing characters: if the primary
* font is encoded as ISO-8859-anything, and has valid
* glyphs in the first 32 char positions, it is assumed
* that those glyphs are the VT100 line-drawing
* character set.
*
* Actually, we'll hack even harder by only checking
* position 0x19 (vertical line, VT100 linedrawing
* `x'). Then we can check it easily by seeing if the
* ascent and descent differ.
*/
if (inst->fontinfo[fontid].charset == CS_ISO8859_1) {
int lb, rb, wid, asc, desc;
gchar text[2];
text[1] = '\0';
text[0] = '\x12';
gdk_string_extents(inst->fonts[fontid], text,
&lb, &rb, &wid, &asc, &desc);
if (asc != desc)
inst->fontinfo[fontid].charset = CS_ISO8859_1_X11;
}
sfree(encoding);
}
}
return retval;
}
int uxsel_input_add(int fd, int rwx) {
int flags = 0;
if (rwx & 1) flags |= GDK_INPUT_READ;
if (rwx & 2) flags |= GDK_INPUT_WRITE;
if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
return gdk_input_add(fd, flags, fd_input_func, NULL);
}
void uxsel_input_remove(int id) {
gdk_input_remove(id);
}
char *guess_derived_font_name(GdkFont *font, int bold, int wide)
{
XFontStruct *xfs = GDK_FONT_XFONT(font);
Display *disp = GDK_FONT_XDISPLAY(font);
Atom fontprop = XInternAtom(disp, "FONT", False);
unsigned long ret;
if (XGetFontProperty(xfs, fontprop, &ret)) {
char *name = XGetAtomName(disp, (Atom)ret);
if (name && name[0] == '-') {
char *strings[13];
char *dupname, *extrafree = NULL, *ret;
char *p, *q;
int nstr;
p = q = dupname = dupstr(name); /* skip initial minus */
nstr = 0;
while (*p && nstr < lenof(strings)) {
if (*p == '-') {
*p = '\0';
strings[nstr++] = p+1;
}
p++;
}
if (nstr < lenof(strings))
return NULL; /* XLFD was malformed */
if (bold)
strings[2] = "bold";
if (wide) {
/* 4 is `wideness', which obviously may have changed. */
/* 5 is additional style, which may be e.g. `ja' or `ko'. */
strings[4] = strings[5] = "*";
strings[11] = extrafree = dupprintf("%d", 2*atoi(strings[11]));
}
ret = dupcat("-", strings[ 0], "-", strings[ 1], "-", strings[ 2],
"-", strings[ 3], "-", strings[ 4], "-", strings[ 5],
"-", strings[ 6], "-", strings[ 7], "-", strings[ 8],
"-", strings[ 9], "-", strings[10], "-", strings[11],
"-", strings[12], NULL);
sfree(extrafree);
sfree(dupname);
return ret;
}
}
return NULL;
}
void setup_fonts_ucs(struct gui_data *inst)
{
int font_charset;
char *name;
int guessed;
if (inst->fonts[0])
gdk_font_unref(inst->fonts[0]);
if (inst->fonts[1])
gdk_font_unref(inst->fonts[1]);
if (inst->fonts[2])
gdk_font_unref(inst->fonts[2]);
if (inst->fonts[3])
gdk_font_unref(inst->fonts[3]);
inst->fonts[0] = gdk_font_load(inst->cfg.font.name);
if (!inst->fonts[0]) {
fprintf(stderr, "%s: unable to load font \"%s\"\n", appname,
inst->cfg.font.name);
exit(1);
}
font_charset = set_font_info(inst, 0);
if (inst->cfg.shadowbold) {
inst->fonts[1] = NULL;
} else {
if (inst->cfg.boldfont.name[0]) {
name = inst->cfg.boldfont.name;
guessed = FALSE;
} else {
name = guess_derived_font_name(inst->fonts[0], TRUE, FALSE);
guessed = TRUE;
}
inst->fonts[1] = name ? gdk_font_load(name) : NULL;
if (inst->fonts[1]) {
set_font_info(inst, 1);
} else if (!guessed) {
fprintf(stderr, "%s: unable to load bold font \"%s\"\n", appname,
inst->cfg.boldfont.name);
exit(1);
}
if (guessed)
sfree(name);
}
if (inst->cfg.widefont.name[0]) {
name = inst->cfg.widefont.name;
guessed = FALSE;
} else {
name = guess_derived_font_name(inst->fonts[0], FALSE, TRUE);
guessed = TRUE;
}
inst->fonts[2] = name ? gdk_font_load(name) : NULL;
if (inst->fonts[2]) {
set_font_info(inst, 2);
} else if (!guessed) {
fprintf(stderr, "%s: unable to load wide font \"%s\"\n", appname,
inst->cfg.widefont.name);
exit(1);
}
if (guessed)
sfree(name);
if (inst->cfg.shadowbold) {
inst->fonts[3] = NULL;
} else {
if (inst->cfg.wideboldfont.name[0]) {
name = inst->cfg.wideboldfont.name;
guessed = FALSE;
} else {
/*
* Here we have some choices. We can widen the bold font,
* bolden the wide font, or widen and bolden the standard
* font. Try them all, in that order!
*/
if (inst->cfg.widefont.name[0])
name = guess_derived_font_name(inst->fonts[2], TRUE, FALSE);
else if (inst->cfg.boldfont.name[0])
name = guess_derived_font_name(inst->fonts[1], FALSE, TRUE);
else
name = guess_derived_font_name(inst->fonts[0], TRUE, TRUE);
guessed = TRUE;
}
inst->fonts[3] = name ? gdk_font_load(name) : NULL;
if (inst->fonts[3]) {
set_font_info(inst, 3);
} else if (!guessed) {
fprintf(stderr, "%s: unable to load wide/bold font \"%s\"\n", appname,
inst->cfg.wideboldfont.name);
exit(1);
}
if (guessed)
sfree(name);
}
inst->font_width = gdk_char_width(inst->fonts[0], ' ');
inst->font_height = inst->fonts[0]->ascent + inst->fonts[0]->descent;
inst->direct_to_font = init_ucs(&inst->ucsdata, inst->cfg.line_codepage,
inst->cfg.utf8_override, font_charset,
inst->cfg.vtmode);
}
void set_geom_hints(struct gui_data *inst)
{
GdkGeometry geom;
geom.min_width = inst->font_width + 2*inst->cfg.window_border;
geom.min_height = inst->font_height + 2*inst->cfg.window_border;
geom.max_width = geom.max_height = -1;
geom.base_width = 2*inst->cfg.window_border;
geom.base_height = 2*inst->cfg.window_border;
geom.width_inc = inst->font_width;
geom.height_inc = inst->font_height;
geom.min_aspect = geom.max_aspect = 0;
gtk_window_set_geometry_hints(GTK_WINDOW(inst->window), inst->area, &geom,
GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE |
GDK_HINT_RESIZE_INC);
}
void clear_scrollback_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_clrsb(inst->term);
}
void reset_terminal_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_pwron(inst->term);
if (inst->ldisc)
ldisc_send(inst->ldisc, NULL, 0, 0);
}
void copy_all_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
term_copyall(inst->term);
}
void special_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
int code = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
"user-data"));
if (inst->back)
inst->back->special(inst->backhandle, code);
}
void about_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
about_box(inst->window);
}
void event_log_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
showeventlog(inst->eventlogstuff, inst->window);
}
void change_settings_menuitem(GtkMenuItem *item, gpointer data)
{
/* This maps colour indices in inst->cfg to those used in inst->cols. */
static const int ww[] = {
256, 257, 258, 259, 260, 261,
0, 8, 1, 9, 2, 10, 3, 11,
4, 12, 5, 13, 6, 14, 7, 15
};
struct gui_data *inst = (struct gui_data *)data;
char *title = dupcat(appname, " Reconfiguration", NULL);
Config cfg2, oldcfg;
int i, need_size;
assert(lenof(ww) == NCFGCOLOURS);
cfg2 = inst->cfg; /* structure copy */
if (do_config_box(title, &cfg2, 1,
inst->back?inst->back->cfg_info(inst->backhandle):0)) {
oldcfg = inst->cfg; /* structure copy */
inst->cfg = cfg2; /* structure copy */
/* Pass new config data to the logging module */
log_reconfig(inst->logctx, &cfg2);
/*
* Flush the line discipline's edit buffer in the case
* where local editing has just been disabled.
*/
if (inst->ldisc)
ldisc_send(inst->ldisc, NULL, 0, 0);
/* Pass new config data to the terminal */
term_reconfig(inst->term, &cfg2);
/* Pass new config data to the back end */
if (inst->back)
inst->back->reconfig(inst->backhandle, &cfg2);
/*
* Just setting inst->cfg is sufficient to cause colour
* setting changes to appear on the next ESC]R palette
* reset. But we should also check whether any colour
* settings have been changed, and revert the ones that
* have to the new default, on the assumption that the user
* is most likely to want an immediate update.
*/
for (i = 0; i < NCFGCOLOURS; i++) {
if (oldcfg.colours[i][0] != cfg2.colours[i][0] ||
oldcfg.colours[i][1] != cfg2.colours[i][1] ||
oldcfg.colours[i][2] != cfg2.colours[i][2]) {
real_palette_set(inst, ww[i], cfg2.colours[i][0],
cfg2.colours[i][1],
cfg2.colours[i][2]);
/*
* If the default background has changed, we must
* repaint the space in between the window border
* and the text area.
*/
if (i == 258) {
set_window_background(inst);
draw_backing_rect(inst);
}
}
}
/*
* If the scrollbar needs to be shown, hidden, or moved
* from one end to the other of the window, do so now.
*/
if (oldcfg.scrollbar != cfg2.scrollbar) {
if (cfg2.scrollbar)
gtk_widget_show(inst->sbar);
else
gtk_widget_hide(inst->sbar);
}
if (oldcfg.scrollbar_on_left != cfg2.scrollbar_on_left) {
gtk_box_reorder_child(inst->hbox, inst->sbar,
cfg2.scrollbar_on_left ? 0 : 1);
}
/*
* Change the window title, if required.
*/
if (strcmp(oldcfg.wintitle, cfg2.wintitle))
set_title(inst, cfg2.wintitle);
set_window_titles(inst);
/*
* Redo the whole tangled fonts and Unicode mess if
* necessary.
*/
if (strcmp(oldcfg.font.name, cfg2.font.name) ||
strcmp(oldcfg.boldfont.name, cfg2.boldfont.name) ||
strcmp(oldcfg.widefont.name, cfg2.widefont.name) ||
strcmp(oldcfg.wideboldfont.name, cfg2.wideboldfont.name) ||
strcmp(oldcfg.line_codepage, cfg2.line_codepage) ||
oldcfg.vtmode != cfg2.vtmode ||
oldcfg.shadowbold != cfg2.shadowbold) {
setup_fonts_ucs(inst);
need_size = 1;
} else
need_size = 0;
/*
* Resize the window.
*/
if (oldcfg.width != cfg2.width || oldcfg.height != cfg2.height ||
oldcfg.window_border != cfg2.window_border || need_size) {
set_geom_hints(inst);
request_resize(inst, cfg2.width, cfg2.height);
} else {
/*
* The above will have caused a call to term_size() for
* us if it happened. If the user has fiddled with only
* the scrollback size, the above will not have
* happened and we will need an explicit term_size()
* here.
*/
if (oldcfg.savelines != cfg2.savelines)
term_size(inst->term, inst->term->rows, inst->term->cols,
cfg2.savelines);
}
term_invalidate(inst->term);
/*
* We do an explicit full redraw here to ensure the window
* border has been redrawn as well as the text area.
*/
gtk_widget_queue_draw(inst->area);
}
sfree(title);
}
void fork_and_exec_self(struct gui_data *inst, int fd_to_close, ...)
{
/*
* Re-execing ourself is not an exact science under Unix. I do
* the best I can by using /proc/self/exe if available and by
* assuming argv[0] can be found on $PATH if not.
*
* Note that we also have to reconstruct the elements of the
* original argv which gtk swallowed, since the user wants the
* new session to appear on the same X display as the old one.
*/
char **args;
va_list ap;
int i, n;
int pid;
/*
* Collect the arguments with which to re-exec ourself.
*/
va_start(ap, fd_to_close);
n = 2; /* progname and terminating NULL */
n += inst->ngtkargs;
while (va_arg(ap, char *) != NULL)
n++;
va_end(ap);
args = snewn(n, char *);
args[0] = inst->progname;
args[n-1] = NULL;
for (i = 0; i < inst->ngtkargs; i++)
args[i+1] = inst->gtkargvstart[i];
i++;
va_start(ap, fd_to_close);
while ((args[i++] = va_arg(ap, char *)) != NULL);
va_end(ap);
assert(i == n);
/*
* Do the double fork.
*/
pid = fork();
if (pid < 0) {
perror("fork");
return;
}
if (pid == 0) {
int pid2 = fork();
if (pid2 < 0) {
perror("fork");
_exit(1);
} else if (pid2 > 0) {
/*
* First child has successfully forked second child. My
* Work Here Is Done. Note the use of _exit rather than
* exit: the latter appears to cause destroy messages
* to be sent to the X server. I suspect gtk uses
* atexit.
*/
_exit(0);
}
/*
* If we reach here, we are the second child, so we now
* actually perform the exec.
*/
if (fd_to_close >= 0)
close(fd_to_close);
execv("/proc/self/exe", args);
execvp(inst->progname, args);
perror("exec");
_exit(127);
} else {
int status;
waitpid(pid, &status, 0);
}
}
void dup_session_menuitem(GtkMenuItem *item, gpointer gdata)
{
struct gui_data *inst = (struct gui_data *)gdata;
/*
* For this feature we must marshal cfg and (possibly) pty_argv
* into a byte stream, create a pipe, and send this byte stream
* to the child through the pipe.
*/
int i, ret, size;
char *data;
char option[80];
int pipefd[2];
if (pipe(pipefd) < 0) {
perror("pipe");
return;
}
size = sizeof(inst->cfg);
if (use_pty_argv && pty_argv) {
for (i = 0; pty_argv[i]; i++)
size += strlen(pty_argv[i]) + 1;
}
data = snewn(size, char);
memcpy(data, &inst->cfg, sizeof(inst->cfg));
if (use_pty_argv && pty_argv) {
int p = sizeof(inst->cfg);
for (i = 0; pty_argv[i]; i++) {
strcpy(data + p, pty_argv[i]);
p += strlen(pty_argv[i]) + 1;
}
assert(p == size);
}
sprintf(option, "---[%d,%d]", pipefd[0], size);
fcntl(pipefd[0], F_SETFD, 0);
fork_and_exec_self(inst, pipefd[1], option, NULL);
close(pipefd[0]);
i = ret = 0;
while (i < size && (ret = write(pipefd[1], data + i, size - i)) > 0)
i += ret;
if (ret < 0)
perror("write to pipe");
close(pipefd[1]);
sfree(data);
}
int read_dupsession_data(struct gui_data *inst, Config *cfg, char *arg)
{
int fd, i, ret, size;
char *data;
if (sscanf(arg, "---[%d,%d]", &fd, &size) != 2) {
fprintf(stderr, "%s: malformed magic argument `%s'\n", appname, arg);
exit(1);
}
data = snewn(size, char);
i = ret = 0;
while (i < size && (ret = read(fd, data + i, size - i)) > 0)
i += ret;
if (ret < 0) {
perror("read from pipe");
exit(1);
} else if (i < size) {
fprintf(stderr, "%s: unexpected EOF in Duplicate Session data\n",
appname);
exit(1);
}
memcpy(cfg, data, sizeof(Config));
if (use_pty_argv && size > sizeof(Config)) {
int n = 0;
i = sizeof(Config);
while (i < size) {
while (i < size && data[i]) i++;
if (i >= size) {
fprintf(stderr, "%s: malformed Duplicate Session data\n",
appname);
exit(1);
}
i++;
n++;
}
pty_argv = snewn(n+1, char *);
pty_argv[n] = NULL;
n = 0;
i = sizeof(Config);
while (i < size) {
char *p = data + i;
while (i < size && data[i]) i++;
assert(i < size);
i++;
pty_argv[n++] = dupstr(p);
}
}
return 0;
}
void new_session_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
fork_and_exec_self(inst, -1, NULL);
}
void restart_session_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
if (!inst->back) {
logevent(inst, "----- Session restarted -----");
start_backend(inst);
inst->exited = FALSE;
}
}
void saved_session_menuitem(GtkMenuItem *item, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
fork_and_exec_self(inst, -1, "-load", str, NULL);
}
void saved_session_freedata(GtkMenuItem *item, gpointer data)
{
char *str = (char *)gtk_object_get_data(GTK_OBJECT(item), "user-data");
sfree(str);
}
void update_specials_menu(void *frontend)
{
struct gui_data *inst = (struct gui_data *)frontend;
const struct telnet_special *specials;
if (inst->back)
specials = inst->back->get_specials(inst->backhandle);
else
specials = NULL;
/* I believe this disposes of submenus too. */
gtk_container_foreach(GTK_CONTAINER(inst->specialsmenu),
(GtkCallback)gtk_widget_destroy, NULL);
if (specials) {
int i;
GtkWidget *menu = inst->specialsmenu;
/* A lame "stack" for submenus that will do for now. */
GtkWidget *saved_menu = NULL;
int nesting = 1;
for (i = 0; nesting > 0; i++) {
GtkWidget *menuitem = NULL;
switch (specials[i].code) {
case TS_SUBMENU:
assert (nesting < 2);
saved_menu = menu; /* XXX lame stacking */
menu = gtk_menu_new();
menuitem = gtk_menu_item_new_with_label(specials[i].name);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
gtk_container_add(GTK_CONTAINER(saved_menu), menuitem);
gtk_widget_show(menuitem);
menuitem = NULL;
nesting++;
break;
case TS_EXITMENU:
nesting--;
if (nesting) {
menu = saved_menu; /* XXX lame stacking */
saved_menu = NULL;
}
break;
case TS_SEP:
menuitem = gtk_menu_item_new();
break;
default:
menuitem = gtk_menu_item_new_with_label(specials[i].name);
gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
GINT_TO_POINTER(specials[i].code));
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
GTK_SIGNAL_FUNC(special_menuitem), inst);
break;
}
if (menuitem) {
gtk_container_add(GTK_CONTAINER(menu), menuitem);
gtk_widget_show(menuitem);
}
}
gtk_widget_show(inst->specialsitem1);
gtk_widget_show(inst->specialsitem2);
} else {
gtk_widget_hide(inst->specialsitem1);
gtk_widget_hide(inst->specialsitem2);
}
}
static void start_backend(struct gui_data *inst)
{
extern Backend *select_backend(Config *cfg);
char *realhost;
const char *error;
inst->back = select_backend(&inst->cfg);
error = inst->back->init((void *)inst, &inst->backhandle,
&inst->cfg, inst->cfg.host, inst->cfg.port,
&realhost, inst->cfg.tcp_nodelay,
inst->cfg.tcp_keepalives);
if (error) {
char *msg = dupprintf("Unable to open connection to %s:\n%s",
inst->cfg.host, error);
inst->exited = TRUE;
fatal_message_box(inst->window, msg);
sfree(msg);
exit(0);
}
if (inst->cfg.wintitle[0]) {
set_title(inst, inst->cfg.wintitle);
set_icon(inst, inst->cfg.wintitle);
} else {
char *title = make_default_wintitle(realhost);
set_title(inst, title);
set_icon(inst, title);
sfree(title);
}
inst->back->provide_logctx(inst->backhandle, inst->logctx);
term_provide_resize_fn(inst->term, inst->back->size, inst->backhandle);
inst->ldisc =
ldisc_create(&inst->cfg, inst->term, inst->back, inst->backhandle,
inst);
gtk_widget_hide(inst->restartitem);
}
int pt_main(int argc, char **argv)
{
extern int cfgbox(Config *cfg);
struct gui_data *inst;
/*
* Create an instance structure and initialise to zeroes
*/
inst = snew(struct gui_data);
memset(inst, 0, sizeof(*inst));
inst->alt_keycode = -1; /* this one needs _not_ to be zero */
/* defer any child exit handling until we're ready to deal with
* it */
block_signal(SIGCHLD, 1);
inst->progname = argv[0];
/*
* Copy the original argv before letting gtk_init fiddle with
* it. It will be required later.
*/
{
int i, oldargc;
inst->gtkargvstart = snewn(argc-1, char *);
for (i = 1; i < argc; i++)
inst->gtkargvstart[i-1] = dupstr(argv[i]);
oldargc = argc;
gtk_init(&argc, &argv);
inst->ngtkargs = oldargc - argc;
}
if (argc > 1 && !strncmp(argv[1], "---", 3)) {
read_dupsession_data(inst, &inst->cfg, argv[1]);
/* Splatter this argument so it doesn't clutter a ps listing */
memset(argv[1], 0, strlen(argv[1]));
} else {
if (do_cmdline(argc, argv, 0, inst, &inst->cfg))
exit(1); /* pre-defaults pass to get -class */
do_defaults(NULL, &inst->cfg);
if (do_cmdline(argc, argv, 1, inst, &inst->cfg))
exit(1); /* post-defaults, do everything */
cmdline_run_saved(&inst->cfg);
if (!*inst->cfg.host && !cfgbox(&inst->cfg))
exit(0); /* config box hit Cancel */
}
if (!compound_text_atom)
compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
if (!utf8_string_atom)
utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
setup_fonts_ucs(inst);
init_cutbuffers();
inst->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/*
* Set up the colour map.
*/
palette_reset(inst);
inst->width = inst->cfg.width;
inst->height = inst->cfg.height;
inst->area = gtk_drawing_area_new();
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area),
inst->font_width * inst->cfg.width + 2*inst->cfg.window_border,
inst->font_height * inst->cfg.height + 2*inst->cfg.window_border);
inst->sbar_adjust = GTK_ADJUSTMENT(gtk_adjustment_new(0,0,0,0,0,0));
inst->sbar = gtk_vscrollbar_new(inst->sbar_adjust);
inst->hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
/*
* We always create the scrollbar; it remains invisible if
* unwanted, so we can pop it up quickly if it suddenly becomes
* desirable.
*/
if (inst->cfg.scrollbar_on_left)
gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
gtk_box_pack_start(inst->hbox, inst->area, TRUE, TRUE, 0);
if (!inst->cfg.scrollbar_on_left)
gtk_box_pack_start(inst->hbox, inst->sbar, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
set_geom_hints(inst);
gtk_widget_show(inst->area);
if (inst->cfg.scrollbar)
gtk_widget_show(inst->sbar);
else
gtk_widget_hide(inst->sbar);
gtk_widget_show(GTK_WIDGET(inst->hbox));
if (inst->gotpos) {
int x = inst->xpos, y = inst->ypos;
GtkRequisition req;
gtk_widget_size_request(GTK_WIDGET(inst->window), &req);
if (inst->gravity & 1) x += gdk_screen_width() - req.width;
if (inst->gravity & 2) y += gdk_screen_height() - req.height;
gtk_window_set_position(GTK_WINDOW(inst->window), GTK_WIN_POS_NONE);
gtk_widget_set_uposition(GTK_WIDGET(inst->window), x, y);
}
gtk_signal_connect(GTK_OBJECT(inst->window), "destroy",
GTK_SIGNAL_FUNC(destroy), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "delete_event",
GTK_SIGNAL_FUNC(delete_window), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "key_press_event",
GTK_SIGNAL_FUNC(key_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "key_release_event",
GTK_SIGNAL_FUNC(key_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "focus_in_event",
GTK_SIGNAL_FUNC(focus_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->window), "focus_out_event",
GTK_SIGNAL_FUNC(focus_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "configure_event",
GTK_SIGNAL_FUNC(configure_area), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "expose_event",
GTK_SIGNAL_FUNC(expose_area), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "button_press_event",
GTK_SIGNAL_FUNC(button_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "button_release_event",
GTK_SIGNAL_FUNC(button_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "motion_notify_event",
GTK_SIGNAL_FUNC(motion_event), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_received",
GTK_SIGNAL_FUNC(selection_received), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_get",
GTK_SIGNAL_FUNC(selection_get), inst);
gtk_signal_connect(GTK_OBJECT(inst->area), "selection_clear_event",
GTK_SIGNAL_FUNC(selection_clear), inst);
if (inst->cfg.scrollbar)
gtk_signal_connect(GTK_OBJECT(inst->sbar_adjust), "value_changed",
GTK_SIGNAL_FUNC(scrollbar_moved), inst);
gtk_widget_add_events(GTK_WIDGET(inst->area),
GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK);
gtk_widget_show(inst->window);
set_window_background(inst);
/*
* Set up the Ctrl+rightclick context menu.
*/
{
GtkWidget *menuitem;
char *s;
extern const int use_event_log, new_session, saved_sessions;
inst->menu = gtk_menu_new();
#define MKMENUITEM(title, func) do { \
menuitem = title ? gtk_menu_item_new_with_label(title) : \
gtk_menu_item_new(); \
gtk_container_add(GTK_CONTAINER(inst->menu), menuitem); \
gtk_widget_show(menuitem); \
if (func != NULL) \
gtk_signal_connect(GTK_OBJECT(menuitem), "activate", \
GTK_SIGNAL_FUNC(func), inst); \
} while (0)
if (new_session)
MKMENUITEM("New Session", new_session_menuitem);
MKMENUITEM("Restart Session", restart_session_menuitem);
inst->restartitem = menuitem;
gtk_widget_hide(inst->restartitem);
MKMENUITEM("Duplicate Session", dup_session_menuitem);
if (saved_sessions) {
struct sesslist sesslist;
int i;
inst->sessionsmenu = gtk_menu_new();
get_sesslist(&sesslist, TRUE);
for (i = 1; i < sesslist.nsessions; i++) {
menuitem = gtk_menu_item_new_with_label(sesslist.sessions[i]);
gtk_container_add(GTK_CONTAINER(inst->sessionsmenu), menuitem);
gtk_widget_show(menuitem);
gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
dupstr(sesslist.sessions[i]));
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
GTK_SIGNAL_FUNC(saved_session_menuitem),
inst);
gtk_signal_connect(GTK_OBJECT(menuitem), "destroy",
GTK_SIGNAL_FUNC(saved_session_freedata),
inst);
}
get_sesslist(&sesslist, FALSE);
MKMENUITEM("Saved Sessions", NULL);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
inst->sessionsmenu);
}
MKMENUITEM(NULL, NULL);
MKMENUITEM("Change Settings", change_settings_menuitem);
MKMENUITEM(NULL, NULL);
if (use_event_log)
MKMENUITEM("Event Log", event_log_menuitem);
MKMENUITEM("Special Commands", NULL);
inst->specialsmenu = gtk_menu_new();
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), inst->specialsmenu);
inst->specialsitem1 = menuitem;
MKMENUITEM(NULL, NULL);
inst->specialsitem2 = menuitem;
gtk_widget_hide(inst->specialsitem1);
gtk_widget_hide(inst->specialsitem2);
MKMENUITEM("Clear Scrollback", clear_scrollback_menuitem);
MKMENUITEM("Reset Terminal", reset_terminal_menuitem);
MKMENUITEM("Copy All", copy_all_menuitem);
MKMENUITEM(NULL, NULL);
s = dupcat("About ", appname, NULL);
MKMENUITEM(s, about_menuitem);
sfree(s);
#undef MKMENUITEM
}
inst->textcursor = make_mouse_ptr(inst, GDK_XTERM);
inst->rawcursor = make_mouse_ptr(inst, GDK_LEFT_PTR);
inst->blankcursor = make_mouse_ptr(inst, -1);
make_mouse_ptr(inst, -2); /* clean up cursor font */
inst->currcursor = inst->textcursor;
show_mouseptr(inst, 1);
inst->eventlogstuff = eventlogstuff_new();
inst->term = term_init(&inst->cfg, &inst->ucsdata, inst);
inst->logctx = log_init(inst, &inst->cfg);
term_provide_logctx(inst->term, inst->logctx);
uxsel_init();
term_size(inst->term, inst->cfg.height, inst->cfg.width, inst->cfg.savelines);
start_backend(inst);
ldisc_send(inst->ldisc, NULL, 0, 0);/* cause ldisc to notice changes */
/* now we're reday to deal with the child exit handler being
* called */
block_signal(SIGCHLD, 0);
/*
* Block SIGPIPE: if we attempt Duplicate Session or similar
* and it falls over in some way, we certainly don't want
* SIGPIPE terminating the main pterm/PuTTY. Note that we do
* this _after_ (at least pterm) forks off its child process,
* since the child wants SIGPIPE handled in the usual way.
*/
block_signal(SIGPIPE, 1);
inst->exited = FALSE;
gtk_main();
return 0;
}
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