/* compose_scroll_to_offset */
void compose_scroll_to_offset(Compose * compose, int offset)
{
GtkTextBuffer * buffer;
GtkTextIter iter;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(compose->view));
gtk_text_buffer_get_iter_at_offset(buffer, &iter, offset);
gtk_text_buffer_place_cursor(buffer, &iter);
gtk_text_view_place_cursor_onscreen(GTK_TEXT_VIEW(compose->view));
}
void goto_local_label (const gchar *l)
{
gchar *t = g_utf8_find_next_char (l, NULL);
gchar *s = g_strconcat ("<a name=\"", t, NULL);
GtkTextIter iter;
GtkTextIter match_start;
GtkTextMark *m = gtk_text_buffer_get_insert (GTK_TEXT_BUFFER(cur_text_doc->text_buffer));
gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER(cur_text_doc->text_buffer), &iter, m);
if (gtk_text_iter_forward_search (&iter, s, GTK_TEXT_SEARCH_TEXT_ONLY, &match_start, NULL, NULL))
{
gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER(cur_text_doc->text_buffer), &match_start );
gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW(cur_text_doc->text_view), &match_start, 0.0, TRUE, 0.0, 0.0 );
gtk_text_view_place_cursor_onscreen (GTK_TEXT_VIEW (cur_text_doc->text_view));
}
g_free (s);
}
static VALUE
textview_place_cursor_onscreen(VALUE self)
{
return CBOOL2RVAL(gtk_text_view_place_cursor_onscreen(_SELF(self)));
}
/*-------------------------------textview------------------------------*/
static gboolean
textview2_key_press_event_cb(GtkWidget *winParent, GdkEvent *event, gpointer userdata) {
gboolean setFalseG = TRUE;
/*Receive input in search mode*/
if (inSearch == TRUE)
{
unsigned int c = event->key.keyval;
/*get keyval as char*/
if( c != GDK_KEY_KP_Enter && c != GDK_Return ) {
if(isascii(c))/*can not input cjk thus not accounted*/
strOper++[0] = c;
else if(c == GDK_BackSpace && strOper > searchStr)
strOper--;
else {
;/*skip*/
}
strOper[0] = '\0';
}
else {
/*highlight and try moving forward to target on Enter*/
if(strlen(searchStr) != 0) {
my_text_buffer_highlight(text2, searchStr, 4);
myre_move_to_string(text2, searchStr, 1);
}
inSearch = FALSE;
}
if(inSearch)
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status,"status"),
searchStr);
else
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"End Search");
return TRUE;
}
switch(event->key.keyval)
{
case GDK_i:
gtk_widget_grab_focus(entry);
break;
case GDK_I:
gtk_widget_grab_focus(entry);
gtk_editable_set_position((GtkEditable *)entry, 0);
break;
case GDK_a:
case GDK_A:
gtk_widget_grab_focus(entry);
gtk_editable_set_position((GtkEditable *)entry, -1);
break;
case GDK_x:
case GDK_X:
button2_clicked_cb();
return TRUE;
case GDK_j:
case GDK_KEY_Down:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_DISPLAY_LINES, 1, inSelect && inCursor, NULL);
break;
case GDK_k:
case GDK_KEY_Up:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_DISPLAY_LINES, -1, inSelect && inCursor, NULL);
break;
case GDK_h:
case GDK_KEY_Left:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_VISUAL_POSITIONS, -1, inSelect && inCursor, NULL);
break;
case GDK_l:
case GDK_KEY_Right:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_VISUAL_POSITIONS, 1, inSelect && inCursor, NULL);
break;
case GDK_w:
case GDK_e:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_WORDS, 1, inSelect && inCursor, NULL);
break;
case GDK_b:
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_WORDS, -1, inSelect && inCursor, NULL);
break;
case GDK_n:
myre_move_to_string(text2, searchStr, 1);
break;
case GDK_N:
myre_move_to_string(text2, searchStr, 0);
break;
case GDK_g:
if(inVimG)
{
gtk_text_buffer_get_iter_at_offset(text2, ¤t, 0);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview2), ¤t,
0, /* 0.0-0.5 screen */
TRUE, /* use xy align */
0, /* x */
0 /* y */
);
gtk_text_buffer_place_cursor(text2, ¤t);
}
inVimG = !inVimG;
setFalseG = FALSE;
break;
case GDK_G:
gtk_text_iter_forward_to_end (¤t);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textview2), ¤t,
0,
TRUE,
0,
0
);
gtk_text_buffer_place_cursor(text2, ¤t);
break;
case GDK_KEY_slash: /* toggle search */
inSearch = !inSearch;
if(NULL == searchStr) {
searchStr = malloc(MAX_LENGTH);
}
/* try unmarking last search */
if (strlen(searchStr) != 0)
{
my_text_buffer_highlight(text2, searchStr, 5);
}
memset(searchStr, '\0', MAX_LENGTH);
strOper = searchStr;
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"--Search--");
break;
case GDK_KEY_KP_Enter:
case GDK_Return:
/*end search string input*/
inSearch = FALSE;
break;
case GDK_p:
/* put selection to entry */
gtk_widget_grab_focus(entry);
g_signal_emit_by_name(entry, "paste-clipboard", entry, NULL);
break;
case GDK_y:
/* copy to clipboard */
if(gtk_text_buffer_get_has_selection(text2))
{
g_signal_emit_by_name(textview2, "copy-clipboard", GTK_TEXT_VIEW(textview2), NULL);
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_VISUAL_POSITIONS, 0, FALSE, NULL);
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"Selection copied to clipboard.");
/* cursor off after yank */
inCursor = FALSE;
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview2), inCursor);
/* selection off */
inSelect = FALSE;
}
else
/* vacant yank attempts */
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"--Search--Empty Yank Ignored");
break;
case GDK_v:
/* toggle select mode */
if(!inCursor) /* make sure cursor is shown */
{
inCursor = TRUE;
vCursor = TRUE;
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview2), inCursor);
}
if (inSelect)
{
/* clear selection */
if(gtk_text_buffer_get_has_selection(text2))
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_VISUAL_POSITIONS, 0, FALSE, NULL);
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"");
/* exit vCursor after move-cursor dependency */
if (inCursor && vCursor)
{
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview2), FALSE);
inCursor = FALSE;
vCursor = FALSE;
}
}
else
{
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"--Selection--");
}
inSelect = !inSelect;
break;
case GDK_c:
/* always expire select mode */
inSelect = FALSE;
/* clear selection, should be inCursor */
if(gtk_text_buffer_get_has_selection(text2))
g_signal_emit_by_name(textview2, "move-cursor", GTK_MOVEMENT_VISUAL_POSITIONS, 0, FALSE, NULL);
gtk_statusbar_push(status,
gtk_statusbar_get_context_id(status, "status"),
"");
/* show cursor for selection */
inCursor = !inCursor;
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview2), inCursor);
break;
default:
return FALSE;
}
if(setFalseG)
inVimG = FALSE;
if( !(inSearch || inSelect) )
{
gtk_text_view_place_cursor_onscreen(GTK_TEXT_VIEW(textview2));
}
return TRUE;
}
