*restartitem;
GtkWidget *sessionsmenu;
#ifndef NO_BACKING_PIXMAPS
+ /*
+ * Server-side pixmap which we use to cache the terminal window's
+ * contents. When we draw text in the terminal, we draw it to this
+ * pixmap first, and then blit from there to the actual window;
+ * this way, X expose events can be handled with an absolute
+ * minimum of network traffic, by just sending a command to
+ * re-blit an appropriate rectangle from this pixmap.
+ */
GdkPixmap *pixmap;
#endif
+#ifdef DRAW_TEXT_CAIRO
+ /*
+ * If we're drawing using Cairo, we cache the same image on the
+ * client side in a Cairo surface.
+ *
+ * In GTK2+Cairo, this happens _as well_ as having the server-side
+ * pixmap cache above; in GTK3+Cairo, server-side pixmaps are
+ * deprecated, so we _just_ have this client-side cache. In the
+ * latter case that means we have to transmit a big wodge of
+ * bitmap data over the X connection on every expose event; but
+ * GTK3 apparently deliberately provides no way to avoid that
+ * inefficiency, and at least this way we don't _also_ have to
+ * redo any font rendering just because the window was temporarily
+ * covered.
+ */
+ cairo_surface_t *surface;
+#endif
#if GTK_CHECK_VERSION(2,0,0)
GtkIMContext *imc;
#endif
int ngtkargs;
guint32 input_event_time; /* Timestamp of the most recent input event. */
int reconfiguring;
+#if GTK_CHECK_VERSION(3,4,0)
+ gdouble cumulative_scroll;
+#endif
/* Cached things out of conf that we refer to a lot */
int bold_style;
int window_border;
need_size = 1;
}
+ {
+ int backing_w = w * inst->font_width + 2*inst->window_border;
+ int backing_h = h * inst->font_height + 2*inst->window_border;
+
#ifndef NO_BACKING_PIXMAPS
- if (inst->pixmap) {
- gdk_pixmap_unref(inst->pixmap);
- inst->pixmap = NULL;
- }
+ if (inst->pixmap) {
+ gdk_pixmap_unref(inst->pixmap);
+ inst->pixmap = NULL;
+ }
- inst->pixmap = gdk_pixmap_new(gtk_widget_get_window(widget),
- (w * inst->font_width + 2*inst->window_border),
- (h * inst->font_height + 2*inst->window_border), -1);
+ inst->pixmap = gdk_pixmap_new(gtk_widget_get_window(widget),
+ backing_w, backing_h, -1);
#endif
+#ifdef DRAW_TEXT_CAIRO
+ if (inst->surface) {
+ cairo_surface_destroy(inst->surface);
+ inst->surface = NULL;
+ }
+
+ inst->surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
+ backing_w, backing_h);
+#endif
+ }
+
draw_backing_rect(inst);
if (need_size && inst->term) {
{
struct gui_data *inst = (struct gui_data *)data;
- if (inst->term) {
- struct draw_ctx adctx, *dctx = &adctx;
+ /*
+ * GTK3 window redraw: we always expect Cairo to be enabled, so
+ * that inst->surface exists, and pixmaps to be disabled, so that
+ * inst->pixmap does not exist. Hence, we just blit from
+ * inst->surface to the window.
+ */
+ if (inst->surface) {
GdkRectangle dirtyrect;
- dctx->inst = inst;
- dctx->uctx.type = DRAWTYPE_CAIRO;
- dctx->uctx.u.cairo.widget = widget;
- dctx->uctx.u.cairo.cr = cr;
- cairo_setup_dctx(dctx);
-
gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
- /*
- * As in window.c, we clear the 'immediately' flag in the
- * term_paint() call if the terminal has an update pending, in
- * case we're constrained within this event to only draw on
- * the exposed rectangle of the window. (Because if the whole
- * of a character cell needs a redraw due to a terminal
- * contents change, the last thing we want is to give it a
- * _partial_ redraw here due to system-imposed clipping, and
- * then have the next main terminal update believe it's been
- * redrawn in full.)
- *
- * I don't actually know if GTK draw events will constrain us
- * in this way, but it's best to be careful...
- */
- term_paint(inst->term, dctx,
- (dirtyrect.x - inst->window_border) / inst->font_width,
- (dirtyrect.y - inst->window_border) / inst->font_height,
- (dirtyrect.x + dirtyrect.width -
- inst->window_border) / inst->font_width,
- (dirtyrect.y + dirtyrect.height -
- inst->window_border) / inst->font_height,
- !inst->term->window_update_pending);
+ cairo_set_source_surface(cr, inst->surface, 0, 0);
+ cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
+ dirtyrect.width, dirtyrect.height);
+ cairo_fill(cr);
}
return TRUE;
#ifndef NO_BACKING_PIXMAPS
/*
- * Pass the exposed rectangle to terminal.c, which will call us
- * back to do the actual painting.
+ * Draw to the exposed part of the window from the server-side
+ * backing pixmap.
*/
if (inst->pixmap) {
gdk_draw_pixmap(gtk_widget_get_window(widget),
event->area.width, event->area.height);
}
#else
- if (inst->term) {
- Context ctx = get_ctx(inst);
- term_paint(inst->term, ctx,
- (event->area.x - inst->window_border) / inst->font_width,
- (event->area.y - inst->window_border) / inst->font_height,
- (event->area.x + event->area.width -
- inst->window_border) / inst->font_width,
- (event->area.y + event->area.height -
- inst->window_border) / inst->font_height,
- !inst->term->window_update_pending);
- free_ctx(ctx);
+ /*
+ * Failing that, draw from the client-side Cairo surface. (We
+ * should never be compiled in a context where we have _neither_
+ * inst->surface nor inst->pixmap.)
+ */
+ if (inst->surface) {
+ cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
+ cairo_set_source_surface(cr, inst->surface, 0, 0);
+ cairo_rectangle(cr, event->area.x, event->area.y,
+ event->area.width, event->area.height);
+ cairo_fill(cr);
+ cairo_destroy(cr);
}
#endif
#define KEY_PRESSED(k) \
(inst->keystate[(k) / 32] & (1 << ((k) % 32)))
+#ifdef KEY_EVENT_DIAGNOSTICS
+char *dup_keyval_name(guint keyval)
+{
+ const char *name = gdk_keyval_name(keyval);
+ if (name)
+ return dupstr(name);
+ else
+ return dupprintf("UNKNOWN[%u]", (unsigned)keyval);
+}
+#endif
+
gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
output_charset = CS_ISO8859_1;
#ifdef KEY_EVENT_DIAGNOSTICS
- /*
- * Condition this mess in if you want to debug keyboard events as
- * they come in to this function (e.g. because some particular
- * port of GDK is producing an unexpected arrangement of
- * modifiers).
- */
-#define TRY(val, prefix, string) \
- if ((val) == prefix ## string) printf("%s", #string); else
-#define GIVE_UP(val) \
- printf("%d", (int)(val))
-#define TRY_MASK(val, prefix, string, suffix) \
- if ((val) & prefix ## string ## suffix) { \
- (val) &= ~ prefix ## string ## suffix; \
- printf("%s", #string); \
- if (val) printf("|"); \
+ {
+ char *type_string, *state_string, *keyval_string, *string_string;
+
+ type_string = (event->type == GDK_KEY_PRESS ? dupstr("PRESS") :
+ event->type == GDK_KEY_RELEASE ? dupstr("RELEASE") :
+ dupprintf("UNKNOWN[%d]", (int)event->type));
+
+ {
+ static const struct {
+ int mod_bit;
+ const char *name;
+ } mod_bits[] = {
+ {GDK_SHIFT_MASK, "SHIFT"},
+ {GDK_LOCK_MASK, "LOCK"},
+ {GDK_CONTROL_MASK, "CONTROL"},
+ {GDK_MOD1_MASK, "MOD1"},
+ {GDK_MOD2_MASK, "MOD2"},
+ {GDK_MOD3_MASK, "MOD3"},
+ {GDK_MOD4_MASK, "MOD4"},
+ {GDK_MOD5_MASK, "MOD5"},
+ {GDK_SUPER_MASK, "SUPER"},
+ {GDK_HYPER_MASK, "HYPER"},
+ {GDK_META_MASK, "META"},
+ };
+ int i;
+ int val = event->state;
+
+ state_string = dupstr("");
+
+ for (i = 0; i < lenof(mod_bits); i++) {
+ if (val & mod_bits[i].mod_bit) {
+ char *old = state_string;
+ state_string = dupcat(state_string,
+ state_string[0] ? "|" : "",
+ mod_bits[i].name,
+ (char *)NULL);
+ sfree(old);
+
+ val &= ~mod_bits[i].mod_bit;
+ }
+ }
+
+ if (val || !state_string[0]) {
+ char *old = state_string;
+ state_string = dupprintf("%s%s%d", state_string,
+ state_string[0] ? "|" : "", val);
+ sfree(old);
+ }
}
-#define GIVE_UP_MASK(val) \
- do \
- { \
- if ((val)) printf("%d", (int)(val)); \
- } while (0)
- printf("key_event: type=");
- TRY(event->type, GDK_KEY_, PRESS)
- TRY(event->type, GDK_KEY_, RELEASE)
- GIVE_UP(event->type);
- printf(" keyval=");
- TRY(event->keyval, GDK_KEY_, Alt_L)
- TRY(event->keyval, GDK_KEY_, Alt_R)
- TRY(event->keyval, GDK_KEY_, BackSpace)
- TRY(event->keyval, GDK_KEY_, Begin)
- TRY(event->keyval, GDK_KEY_, Break)
- TRY(event->keyval, GDK_KEY_, Delete)
- TRY(event->keyval, GDK_KEY_, Down)
- TRY(event->keyval, GDK_KEY_, End)
- TRY(event->keyval, GDK_KEY_, Escape)
- TRY(event->keyval, GDK_KEY_, F10)
- TRY(event->keyval, GDK_KEY_, F11)
- TRY(event->keyval, GDK_KEY_, F12)
- TRY(event->keyval, GDK_KEY_, F13)
- TRY(event->keyval, GDK_KEY_, F14)
- TRY(event->keyval, GDK_KEY_, F15)
- TRY(event->keyval, GDK_KEY_, F16)
- TRY(event->keyval, GDK_KEY_, F17)
- TRY(event->keyval, GDK_KEY_, F18)
- TRY(event->keyval, GDK_KEY_, F19)
- TRY(event->keyval, GDK_KEY_, F1)
- TRY(event->keyval, GDK_KEY_, F20)
- TRY(event->keyval, GDK_KEY_, F2)
- TRY(event->keyval, GDK_KEY_, F3)
- TRY(event->keyval, GDK_KEY_, F4)
- TRY(event->keyval, GDK_KEY_, F5)
- TRY(event->keyval, GDK_KEY_, F6)
- TRY(event->keyval, GDK_KEY_, F7)
- TRY(event->keyval, GDK_KEY_, F8)
- TRY(event->keyval, GDK_KEY_, F9)
- TRY(event->keyval, GDK_KEY_, Home)
- TRY(event->keyval, GDK_KEY_, Insert)
- TRY(event->keyval, GDK_KEY_, ISO_Left_Tab)
- TRY(event->keyval, GDK_KEY_, KP_0)
- TRY(event->keyval, GDK_KEY_, KP_1)
- TRY(event->keyval, GDK_KEY_, KP_2)
- TRY(event->keyval, GDK_KEY_, KP_3)
- TRY(event->keyval, GDK_KEY_, KP_4)
- TRY(event->keyval, GDK_KEY_, KP_5)
- TRY(event->keyval, GDK_KEY_, KP_6)
- TRY(event->keyval, GDK_KEY_, KP_7)
- TRY(event->keyval, GDK_KEY_, KP_8)
- TRY(event->keyval, GDK_KEY_, KP_9)
- TRY(event->keyval, GDK_KEY_, KP_Add)
- TRY(event->keyval, GDK_KEY_, KP_Begin)
- TRY(event->keyval, GDK_KEY_, KP_Decimal)
- TRY(event->keyval, GDK_KEY_, KP_Delete)
- TRY(event->keyval, GDK_KEY_, KP_Divide)
- TRY(event->keyval, GDK_KEY_, KP_Down)
- TRY(event->keyval, GDK_KEY_, KP_End)
- TRY(event->keyval, GDK_KEY_, KP_Enter)
- TRY(event->keyval, GDK_KEY_, KP_Home)
- TRY(event->keyval, GDK_KEY_, KP_Insert)
- TRY(event->keyval, GDK_KEY_, KP_Left)
- TRY(event->keyval, GDK_KEY_, KP_Multiply)
- TRY(event->keyval, GDK_KEY_, KP_Page_Down)
- TRY(event->keyval, GDK_KEY_, KP_Page_Up)
- TRY(event->keyval, GDK_KEY_, KP_Right)
- TRY(event->keyval, GDK_KEY_, KP_Subtract)
- TRY(event->keyval, GDK_KEY_, KP_Up)
- TRY(event->keyval, GDK_KEY_, Left)
- TRY(event->keyval, GDK_KEY_, Meta_L)
- TRY(event->keyval, GDK_KEY_, Meta_R)
- TRY(event->keyval, GDK_KEY_, Num_Lock)
- TRY(event->keyval, GDK_KEY_, Page_Down)
- TRY(event->keyval, GDK_KEY_, Page_Up)
- TRY(event->keyval, GDK_KEY_, Return)
- TRY(event->keyval, GDK_KEY_, Right)
- TRY(event->keyval, GDK_KEY_, Tab)
- TRY(event->keyval, GDK_KEY_, Up)
- TRY(event->keyval, GDK_KEY_, Shift_L)
- TRY(event->keyval, GDK_KEY_, Shift_R)
- TRY(event->keyval, GDK_KEY_, Control_L)
- TRY(event->keyval, GDK_KEY_, Control_R)
- TRY(event->keyval, GDK_KEY_, Caps_Lock)
- TRY(event->keyval, GDK_KEY_, Shift_Lock)
- TRY(event->keyval, GDK_KEY_, Super_L)
- TRY(event->keyval, GDK_KEY_, Super_R)
- TRY(event->keyval, GDK_KEY_, Hyper_L)
- TRY(event->keyval, GDK_KEY_, Hyper_R)
- GIVE_UP(event->keyval);
- printf(" state=");
- {
- int val = event->state;
- TRY_MASK(val, GDK_, SHIFT, _MASK)
- TRY_MASK(val, GDK_, LOCK, _MASK)
- TRY_MASK(val, GDK_, CONTROL, _MASK)
- TRY_MASK(val, GDK_, MOD1, _MASK)
- TRY_MASK(val, GDK_, MOD2, _MASK)
- TRY_MASK(val, GDK_, MOD3, _MASK)
- TRY_MASK(val, GDK_, MOD4, _MASK)
- TRY_MASK(val, GDK_, MOD5, _MASK)
- TRY_MASK(val, GDK_, SUPER, _MASK)
- TRY_MASK(val, GDK_, HYPER, _MASK)
- TRY_MASK(val, GDK_, META, _MASK)
- GIVE_UP_MASK(val);
+ keyval_string = dup_keyval_name(event->keyval);
+
+ string_string = dupstr("");
+ {
+ int i;
+ for (i = 0; event->string[i]; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)event->string[i] & 0xFF);
+ sfree(old);
+ }
+ }
+
+ debug(("key_event: type=%s keyval=%s state=%s "
+ "hardware_keycode=%d is_modifier=%s string=[%s]\n",
+ type_string, keyval_string, state_string,
+ (int)event->hardware_keycode,
+ event->is_modifier ? "TRUE" : "FALSE",
+ string_string));
+
+ sfree(type_string);
+ sfree(state_string);
+ sfree(keyval_string);
+ sfree(string_string);
}
- printf(" hardware_keycode=%d is_modifier=%s\n",
- (int)event->hardware_keycode, event->is_modifier ? "TRUE" : "FALSE");
#endif /* KEY_EVENT_DIAGNOSTICS */
/*
event->keyval == GDK_KEY_Alt_L ||
event->keyval == GDK_KEY_Alt_R) &&
inst->alt_keycode >= 0 && inst->alt_digits > 1) {
-#ifdef KEY_DEBUGGING
- printf("Alt key up, keycode = %d\n", inst->alt_keycode);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - modifier release terminates Alt+numberpad input, "
+ "keycode = %d\n", inst->alt_keycode));
#endif
/*
* FIXME: we might usefully try to do something clever here
goto done;
}
#if GTK_CHECK_VERSION(2,0,0)
- if (gtk_im_context_filter_keypress(inst->imc, event))
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - key release, passing to IM\n"));
+#endif
+ if (gtk_im_context_filter_keypress(inst->imc, event)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - key release accepted by IM\n"));
+#endif
return TRUE;
+ } else {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - key release not accepted by IM\n"));
+#endif
+ }
#endif
}
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
event->keyval == GDK_KEY_Meta_R ||
event->keyval == GDK_KEY_Alt_L ||
event->keyval == GDK_KEY_Alt_R)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - modifier press potentially begins Alt+numberpad "
+ "input\n"));
+#endif
inst->alt_keycode = -1;
inst->alt_digits = 0;
goto done; /* this generates nothing else */
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);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ int old_keycode = 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);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Alt+numberpad digit %d added to keycode %d"
+ " gives %d\n", digit, old_keycode, inst->alt_keycode));
#endif
/* Having used this digit, we now do nothing more with it. */
goto done;
*/
if (event->keyval == GDK_KEY_Page_Up &&
(event->state & GDK_SHIFT_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Shift-PgUp scroll\n"));
+#endif
term_scroll(inst->term, 0, -inst->height/2);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Up &&
(event->state & GDK_CONTROL_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-PgUp scroll\n"));
+#endif
term_scroll(inst->term, 0, -1);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Down &&
(event->state & GDK_SHIFT_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Shift-PgDn scroll\n"));
+#endif
term_scroll(inst->term, 0, +inst->height/2);
return TRUE;
}
if (event->keyval == GDK_KEY_Page_Down &&
(event->state & GDK_CONTROL_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-PgDn scroll\n"));
+#endif
term_scroll(inst->term, 0, +1);
return TRUE;
}
*/
if (event->keyval == GDK_KEY_Insert &&
(event->state & GDK_SHIFT_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Shift-Insert paste\n"));
+#endif
request_paste(inst);
return TRUE;
}
*/
output_charset = CS_ISO8859_1;
strncpy(output+1, event->string, lenof(output)-1);
-#else
+#else /* !GTK_CHECK_VERSION(2,0,0) */
/*
* Most things can now be passed to
* gtk_im_context_filter_keypress without breaking anything
event->keyval == GDK_KEY_KP_Page_Up)) {
/* nethack mode; do nothing */
} else {
+ int try_filter = TRUE;
+
#ifdef META_MANUAL_MASK
if (event->state & META_MANUAL_MASK & inst->meta_mod_mask) {
/*
* (it will eat the keystroke and turn it into
* something not what we wanted).
*/
- } else
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Meta modifier requiring manual intervention, "
+ "suppressing IM filtering\n"));
+#endif
+ try_filter = FALSE;
+ }
+#endif
+
+ if (try_filter) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - general key press, passing to IM\n"));
+#endif
+ if (gtk_im_context_filter_keypress(inst->imc, event)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - key press accepted by IM\n"));
#endif
- if (gtk_im_context_filter_keypress(inst->imc, event))
return TRUE;
+ } else {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - key press not accepted by IM\n"));
+#endif
+ }
+ }
}
/*
event->string, strlen(event->string),
widedata, lenof(widedata)-1);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ {
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = 0; i < wlen; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%04x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)widedata[i]);
+ sfree(old);
+ }
+ debug((" - string translated into Unicode = [%s]\n",
+ string_string));
+ sfree(string_string);
+ }
+#endif
+
wp = widedata;
ulen = charset_from_unicode(&wp, &wlen, output+1, lenof(output)-2,
CS_UTF8, NULL, NULL, 0);
+
+#ifdef KEY_EVENT_DIAGNOSTICS
+ {
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = 0; i < ulen; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)output[i+1] & 0xFF);
+ sfree(old);
+ }
+ debug((" - string translated into UTF-8 = [%s]\n",
+ string_string));
+ sfree(string_string);
+ }
+#endif
+
output[1+ulen] = '\0';
}
-#endif
+#endif /* !GTK_CHECK_VERSION(2,0,0) */
if (!output[1] &&
(ucsval = keysym_to_unicode(event->keyval)) >= 0) {
ucsoutput[0] = '\033';
ucsoutput[1] = ucsval;
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - keysym_to_unicode gave %04x\n",
+ (unsigned)ucsoutput[1]));
+#endif
use_ucsoutput = TRUE;
end = 2;
} else {
0, &new_keyval, NULL, NULL, &consumed)) {
ucsoutput[0] = '\033';
ucsoutput[1] = gdk_keyval_to_unicode(new_keyval);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ {
+ char *keyval_name = dup_keyval_name(new_keyval);
+ debug((" - retranslation for manual Meta: "
+ "new keyval = %s, Unicode = %04x\n",
+ keyval_name, (unsigned)ucsoutput[1]));
+ sfree(keyval_name);
+ }
+#endif
use_ucsoutput = TRUE;
end = 2;
}
/* Control-` is the same as Control-\ (unless gtk has a better idea) */
if (!output[1] && event->keyval == '`' &&
(event->state & GDK_CONTROL_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-` special case, translating as 1c\n"));
+#endif
output[1] = '\x1C';
use_ucsoutput = FALSE;
end = 2;
* The translations below are in line with X11 policy as far
* as I know. */
if ((event->state & GDK_CONTROL_MASK) && end == 2) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ int orig = output[1];
+#endif
+
if (output[1] >= '3' && output[1] <= '7') {
/* ^3,...,^7 map to 0x1B,...,0x1F */
output[1] += '\x1B' - '3';
output[1] &= 0x1F;
}
/* Anything else, e.g. '0', is unchanged. */
+
+#ifdef KEY_EVENT_DIAGNOSTICS
+ if (orig == output[1])
+ debug((" - manual Ctrl key handling did nothing\n"));
+ else
+ debug((" - manual Ctrl key handling: %02x -> %02x\n",
+ (unsigned)orig, (unsigned)output[1]));
+#endif
}
/* Control-Break sends a Break special to the backend */
if (event->keyval == GDK_KEY_Break &&
(event->state & GDK_CONTROL_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-Break special case, sending TS_BRK\n"));
+#endif
if (inst->back)
inst->back->special(inst->backhandle, TS_BRK);
return TRUE;
/* We handle Return ourselves, because it needs to be flagged as
* special to ldisc. */
if (event->keyval == GDK_KEY_Return) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Return special case, translating as 0d + special\n"));
+#endif
output[1] = '\015';
use_ucsoutput = FALSE;
end = 2;
event->keyval == '@') &&
(event->state & (GDK_SHIFT_MASK |
GDK_CONTROL_MASK)) == GDK_CONTROL_MASK) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-{space,2,@} special case, translating as 00\n"));
+#endif
output[1] = '\0';
use_ucsoutput = FALSE;
end = 2;
if (!output[1] && event->keyval == ' ' &&
(event->state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) ==
(GDK_SHIFT_MASK | GDK_CONTROL_MASK)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Ctrl-Shift-space special case, translating as 00a0\n"));
+#endif
output[1] = '\240';
output_charset = CS_ISO8859_1;
use_ucsoutput = FALSE;
!(event->state & GDK_SHIFT_MASK)) {
output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
'\x7F' : '\x08';
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Backspace, translating as %02x\n",
+ (unsigned)output[1]));
+#endif
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
(event->state & GDK_SHIFT_MASK)) {
output[1] = conf_get_int(inst->conf, CONF_bksp_is_delete) ?
'\x08' : '\x7F';
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Shift-Backspace, translating as %02x\n",
+ (unsigned)output[1]));
+#endif
use_ucsoutput = FALSE;
end = 2;
special = TRUE;
if (event->keyval == GDK_KEY_ISO_Left_Tab ||
(event->keyval == GDK_KEY_Tab &&
(event->state & GDK_SHIFT_MASK))) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Shift-Tab, translating as ESC [ Z\n"));
+#endif
end = 1 + sprintf(output+1, "\033[Z");
use_ucsoutput = FALSE;
}
* (Curiously, at least one version of the MacOS 10.5 X server
* doesn't translate Tab for us. */
if (event->keyval == GDK_KEY_Tab && end <= 1) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Tab, translating as 09\n"));
+#endif
output[1] = '\t';
end = 2;
}
output[1] = keys[1];
else
output[1] = keys[0];
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Nethack-mode key"));
+#endif
use_ucsoutput = FALSE;
goto done;
}
} else
end = 1 + sprintf(output+1, "\033O%c", xkey);
use_ucsoutput = FALSE;
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Application keypad mode key"));
+#endif
goto done;
}
}
if (inst->term->vt52_mode && code > 0 && code <= 6) {
end = 1 + sprintf(output+1, "\x1B%c", " HLMEIG"[code]);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - VT52 mode small keypad key"));
+#endif
use_ucsoutput = FALSE;
goto done;
}
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]);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - SCO mode function key"));
+#endif
use_ucsoutput = FALSE;
goto done;
}
} else {
end = 1 + sprintf(output+1, "\x1B[%c", codes[code-1]);
}
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - SCO mode small keypad key"));
+#endif
use_ucsoutput = FALSE;
goto done;
}
offt++;
if (code > 21)
offt++;
- if (inst->term->vt52_mode)
+ if (inst->term->vt52_mode) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - VT52 mode function key"));
+#endif
end = 1 + sprintf(output+1,
"\x1B%c", code + 'P' - 11 - offt);
- else
+ } else {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - VT100+ mode function key"));
+#endif
end = 1 + sprintf(output+1,
"\x1BO%c", code + 'P' - 11 - offt);
+ }
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_LINUX && code >= 11 && code <= 15) {
end = 1 + sprintf(output+1, "\x1B[[%c", code + 'A' - 11);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - Linux mode F1-F5 function key"));
+#endif
use_ucsoutput = FALSE;
goto done;
}
if (funky_type == FUNKY_XTERM && code >= 11 && code <= 14) {
- if (inst->term->vt52_mode)
+ if (inst->term->vt52_mode) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - VT52 mode (overriding xterm) F1-F4 function"
+ " key"));
+#endif
end = 1 + sprintf(output+1, "\x1B%c", code + 'P' - 11);
- else
+ } else {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - xterm mode F1-F4 function key"));
+#endif
end = 1 + sprintf(output+1, "\x1BO%c", code + 'P' - 11);
+ }
use_ucsoutput = FALSE;
goto done;
}
if ((code == 1 || code == 4) &&
conf_get_int(inst->conf, CONF_rxvt_homeend)) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - rxvt style Home/End"));
+#endif
end = 1 + sprintf(output+1, code == 1 ? "\x1B[H" : "\x1BOw");
use_ucsoutput = FALSE;
goto done;
}
if (code) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - ordinary function key encoding"));
+#endif
end = 1 + sprintf(output+1, "\x1B[%d~", code);
use_ucsoutput = FALSE;
goto done;
if (xkey) {
end = 1 + format_arrow_key(output+1, inst->term, xkey,
event->state & GDK_CONTROL_MASK);
+#ifdef KEY_EVENT_DIAGNOSTICS
+ debug((" - arrow key"));
+#endif
use_ucsoutput = FALSE;
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) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = start; i < end; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)output[i] & 0xFF);
+ sfree(old);
+ }
+ debug((" - final output, special, generic encoding = [%s]\n",
+ charset_to_localenc(output_charset), string_string));
+ sfree(string_string);
+#endif
/*
* For special control characters, the character set
* should never matter.
ldisc_send(inst->ldisc, output+start, -2, 1);
} else if (!inst->direct_to_font) {
if (!use_ucsoutput) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = start; i < end; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)output[i] & 0xFF);
+ sfree(old);
+ }
+ debug((" - final output in %s = [%s]\n",
+ charset_to_localenc(output_charset), string_string));
+ sfree(string_string);
+#endif
if (inst->ldisc)
lpage_send(inst->ldisc, output_charset, output+start,
end-start, 1);
} else {
+#ifdef KEY_EVENT_DIAGNOSTICS
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = start; i < end; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%04x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)ucsoutput[i]);
+ sfree(old);
+ }
+ debug((" - final output in Unicode = [%s]\n",
+ string_string));
+ sfree(string_string);
+#endif
+
/*
* We generated our own Unicode key data from the
* keysym, so use that instead.
* In direct-to-font mode, we just send the string
* exactly as we received it.
*/
+#ifdef KEY_EVENT_DIAGNOSTICS
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = start; i < end; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)output[i] & 0xFF);
+ sfree(old);
+ }
+ debug((" - final output in direct-to-font encoding = [%s]\n",
+ string_string));
+ sfree(string_string);
+#endif
if (inst->ldisc)
ldisc_send(inst->ldisc, output+start, end-start, 1);
}
void input_method_commit_event(GtkIMContext *imc, gchar *str, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
+
+#ifdef KEY_EVENT_DIAGNOSTICS
+ char *string_string = dupstr("");
+ int i;
+
+ for (i = 0; str[i]; i++) {
+ char *old = string_string;
+ string_string = dupprintf("%s%s%02x", string_string,
+ string_string[0] ? " " : "",
+ (unsigned)str[i] & 0xFF);
+ sfree(old);
+ }
+ debug((" - IM commit event in UTF-8 = [%s]\n", string_string));
+ sfree(string_string);
+#endif
+
if (inst->ldisc)
lpage_send(inst->ldisc, CS_UTF8, str, strlen(str), 1);
show_mouseptr(inst, 0);
}
#endif
+#define SCROLL_INCREMENT_LINES 5
+
+#if GTK_CHECK_VERSION(3,4,0)
+gboolean scroll_internal(struct gui_data *inst, gdouble delta, guint state,
+ gdouble ex, gdouble ey)
+{
+ int shift, ctrl, alt, x, y, raw_mouse_mode;
+
+ show_mouseptr(inst, 1);
+
+ shift = state & GDK_SHIFT_MASK;
+ ctrl = state & GDK_CONTROL_MASK;
+ alt = state & inst->meta_mod_mask;
+
+ x = (ex - inst->window_border) / inst->font_width;
+ y = (ey - inst->window_border) / inst->font_height;
+
+ raw_mouse_mode =
+ send_raw_mouse && !(shift && conf_get_int(inst->conf,
+ CONF_mouse_override));
+
+ inst->cumulative_scroll += delta * SCROLL_INCREMENT_LINES;
+
+ if (!raw_mouse_mode) {
+ int scroll_lines = (int)inst->cumulative_scroll; /* rounds toward 0 */
+ if (scroll_lines) {
+ term_scroll(inst->term, 0, scroll_lines);
+ inst->cumulative_scroll -= scroll_lines;
+ }
+ return TRUE;
+ } else {
+ int scroll_events = (int)(inst->cumulative_scroll /
+ SCROLL_INCREMENT_LINES);
+ if (scroll_events) {
+ int button;
+
+ inst->cumulative_scroll -= scroll_events * SCROLL_INCREMENT_LINES;
+
+ if (scroll_events > 0) {
+ button = MBT_WHEEL_DOWN;
+ } else {
+ button = MBT_WHEEL_UP;
+ scroll_events = -scroll_events;
+ }
+
+ while (scroll_events-- > 0) {
+ term_mouse(inst->term, button, translate_button(button),
+ MA_CLICK, x, y, shift, ctrl, alt);
+ }
+ }
+ return TRUE;
+ }
+}
+#endif
+
gboolean button_internal(struct gui_data *inst, guint32 timestamp,
GdkEventType type, guint ebutton, guint state,
gdouble ex, gdouble ey)
if (!raw_mouse_mode) {
if (ebutton == 4 && type == GDK_BUTTON_PRESS) {
- term_scroll(inst->term, 0, -5);
+ term_scroll(inst->term, 0, -SCROLL_INCREMENT_LINES);
return TRUE;
}
if (ebutton == 5 && type == GDK_BUTTON_PRESS) {
- term_scroll(inst->term, 0, +5);
+ term_scroll(inst->term, 0, +SCROLL_INCREMENT_LINES);
return TRUE;
}
}
gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data)
{
struct gui_data *inst = (struct gui_data *)data;
- guint button;
+#if GTK_CHECK_VERSION(3,4,0)
+ gdouble dx, dy;
+ if (gdk_event_get_scroll_deltas((GdkEvent *)event, &dx, &dy)) {
+ return scroll_internal(inst, dy, event->state, event->x, event->y);
+ } else
+ return FALSE;
+#else
+ guint button;
if (event->direction == GDK_SCROLL_UP)
button = 4;
else if (event->direction == GDK_SCROLL_DOWN)
return button_internal(inst, event->time, GDK_BUTTON_PRESS,
button, event->state, event->x, event->y);
+#endif
}
#endif
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.
- *
- * FIXME: but is that also true of Pango?
+ * In this front end, double-width characters are handled using a
+ * separate font, so this can safely just return 1 always.
*/
return 1;
}
{
struct gui_data *inst = (struct gui_data *)frontend;
struct draw_ctx *dctx;
- GdkWindow *target;
if (!gtk_widget_get_window(inst->area))
return NULL;
-#ifndef NO_BACKING_PIXMAPS
- target = inst->pixmap;
-#else
- target = gtk_widget_get_window(inst->area);
-#endif
-
dctx = snew(struct draw_ctx);
dctx->inst = inst;
dctx->uctx.type = inst->drawtype;
#ifdef DRAW_TEXT_GDK
if (dctx->uctx.type == DRAWTYPE_GDK) {
- dctx->uctx.u.gdk.target = target;
+ /* If we're doing GDK-based drawing, then we also expect
+ * inst->pixmap to exist. */
+ dctx->uctx.u.gdk.target = inst->pixmap;
dctx->uctx.u.gdk.gc = gdk_gc_new(gtk_widget_get_window(inst->area));
}
#endif
#ifdef DRAW_TEXT_CAIRO
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
dctx->uctx.u.cairo.widget = GTK_WIDGET(inst->area);
- dctx->uctx.u.cairo.cr = gdk_cairo_create(target);
+ /* If we're doing Cairo drawing, we expect inst->surface to
+ * exist, and we draw to that first, regardless of whether we
+ * subsequently copy the results to inst->pixmap. */
+ dctx->uctx.u.cairo.cr = cairo_create(inst->surface);
cairo_setup_dctx(dctx);
}
#endif
static void draw_update(struct draw_ctx *dctx, int x, int y, int w, int h)
{
-#ifndef NO_BACKING_PIXMAPS
-#ifdef DRAW_TEXT_GDK
- if (dctx->uctx.type == DRAWTYPE_GDK) {
- gdk_draw_pixmap(gtk_widget_get_window(dctx->inst->area),
- dctx->uctx.u.gdk.gc, dctx->inst->pixmap,
- x, y, x, y, w, h);
- }
-#endif
-#ifdef DRAW_TEXT_CAIRO /* FIXME: and not GTK3 where a cairo_t is all we have */
+#if defined DRAW_TEXT_CAIRO && !defined NO_BACKING_PIXMAPS
if (dctx->uctx.type == DRAWTYPE_CAIRO) {
- GdkGC *gc = gdk_gc_new(gtk_widget_get_window(dctx->inst->area));
- gdk_draw_pixmap(gtk_widget_get_window(dctx->inst->area),
- gc, dctx->inst->pixmap, x, y, x, y, w, h);
- gdk_gc_unref(gc);
+ /*
+ * If inst->surface and inst->pixmap both exist, then we've
+ * just drawn new content to the former which we must copy to
+ * the latter.
+ */
+ cairo_t *cr = gdk_cairo_create(dctx->inst->pixmap);
+ cairo_set_source_surface(cr, dctx->inst->surface, 0, 0);
+ cairo_rectangle(cr, x, y, w, h);
+ cairo_fill(cr);
+ cairo_destroy(cr);
}
#endif
-#endif
+
+ /*
+ * Now we just queue a window redraw, which will cause
+ * inst->surface or inst->pixmap (whichever is appropriate for our
+ * compile mode) to be copied to the real window when we receive
+ * the resulting "expose" or "draw" event.
+ *
+ * Amazingly, this one API call is actually valid in all versions
+ * of GTK :-)
+ */
+ gtk_widget_queue_draw_area(dctx->inst->area, x, y, w, h);
}
static void draw_set_colour(struct draw_ctx *dctx, int col)
static void draw_backing_rect(struct gui_data *inst)
{
struct draw_ctx *dctx = get_ctx(inst);
+ int w = inst->width * inst->font_width + 2*inst->window_border;
+ int h = inst->height * inst->font_height + 2*inst->window_border;
draw_set_colour(dctx, 258);
- draw_rectangle(dctx, 1, 0, 0,
- inst->width * inst->font_width + 2*inst->window_border,
- inst->height * inst->font_height + 2*inst->window_border);
+ draw_rectangle(dctx, 1, 0, 0, w, h);
+ draw_update(dctx, 0, 0, w, h);
free_ctx(dctx);
}
{
struct draw_ctx *dctx = (struct draw_ctx *)ctx;
struct gui_data *inst = dctx->inst;
- int ncombining, combining;
+ int ncombining;
int nfg, nbg, t, fontid, shadow, rlen, widefactor, bold;
int monochrome =
gdk_visual_get_depth(gtk_widget_get_visual(inst->area)) == 1;
rlen*widefactor*inst->font_width, inst->font_height);
draw_set_colour(dctx, nfg);
- for (combining = 0; combining < ncombining; combining++) {
+ if (ncombining > 1) {
+ assert(len == 1);
+ unifont_draw_combining(&dctx->uctx, inst->fonts[fontid],
+ x*inst->font_width+inst->window_border,
+ (y*inst->font_height+inst->window_border+
+ inst->fonts[0]->ascent),
+ text, ncombining, widefactor > 1,
+ bold, inst->font_width);
+ } else {
unifont_draw_text(&dctx->uctx, inst->fonts[fontid],
x*inst->font_width+inst->window_border,
- y*inst->font_height+inst->window_border+inst->fonts[0]->ascent,
- text + combining, len, widefactor > 1,
+ (y*inst->font_height+inst->window_border+
+ inst->fonts[0]->ascent),
+ text, len, widefactor > 1,
bold, inst->font_width);
}
inst->quit_fn_scheduled = FALSE;
inst->idle_fn_scheduled = FALSE;
inst->drawtype = DRAWTYPE_DEFAULT;
+#if GTK_CHECK_VERSION(3,4,0)
+ inst->cumulative_scroll = 0.0;
+#endif
/* defer any child exit handling until we're ready to deal with
* it */
init_clipboard(inst);
+ set_geom_hints(inst);
+
+#if GTK_CHECK_VERSION(3,0,0)
+ gtk_window_set_default_geometry(GTK_WINDOW(inst->window),
+ inst->width, inst->height);
+#else
{
int w = inst->font_width * inst->width + 2*inst->window_border;
int h = inst->font_height * inst->height + 2*inst->window_border;
gtk_drawing_area_size(GTK_DRAWING_AREA(inst->area), w, h);
#endif
}
+#endif
+
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));
gtk_container_add(GTK_CONTAINER(inst->window), GTK_WIDGET(inst->hbox));
- set_geom_hints(inst);
-
gtk_widget_show(inst->area);
if (conf_get_int(inst->conf, CONF_scrollbar))
gtk_widget_show(inst->sbar);
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);
+ GDK_POINTER_MOTION_MASK | GDK_BUTTON_MOTION_MASK
+#if GTK_CHECK_VERSION(3,4,0)
+ | GDK_SMOOTH_SCROLL_MASK
+#endif
+ );
{
extern const char *const *const main_icon[];