}
void
+HighlightText (Option *opt, int from, int to, Boolean highlight)
+{
+# define INIT 0x8000
+ static GtkTextIter start, end;
+
+ if(!(opt->min & INIT)) {
+ opt->min |= INIT; // each memo its own init flag!
+ gtk_text_buffer_create_tag(opt->handle, "highlight", "background", "yellow", NULL);
+ gtk_text_buffer_create_tag(opt->handle, "normal", "background", "white", NULL);
+ }
+ gtk_text_buffer_get_iter_at_offset(opt->handle, &start, from);
+ gtk_text_buffer_get_iter_at_offset(opt->handle, &end, to);
+ gtk_text_buffer_apply_tag_by_name(opt->handle, highlight ? "highlight" : "normal", &start, &end);
+}
+
+static gboolean
+MemoEvent(GtkWidget *widget, GdkEvent *event, gpointer gdata)
+{ // handle mouse clicks on text widgets that need it
+ int w, h;
+ int button=10, f=1;
+ Option *opt, *memo = (Option *) gdata;
+ MemoCallback *userHandler = (MemoCallback *) memo->choice;
+ GdkEventButton *bevent = (GdkEventButton *) event;
+ GdkEventMotion *mevent = (GdkEventMotion *) event;
+ GtkTextIter start, end;
+ String val = NULL;
+ gboolean res;
+ gint index, x, y;
+
+ switch(event->type) { // figure out what's up
+ case GDK_MOTION_NOTIFY:
+ f = 0;
+ w = mevent->x; h = mevent->y;
+ break;
+ case GDK_BUTTON_RELEASE:
+ f = -1; // release indicated by negative button numbers
+ w = bevent->x; h = bevent->y;
+ button = bevent->button;
+ break;
+ case GDK_BUTTON_PRESS:
+ w = bevent->x; h = bevent->y;
+ button = bevent->button;
+// GTK_TODO: is this really the most efficient way to get the character at the mouse cursor???
+ gtk_text_view_window_to_buffer_coords(widget, GTK_TEXT_WINDOW_WIDGET, w, h, &x, &y);
+ gtk_text_view_get_iter_at_location(widget, &start, x, y);
+ gtk_text_buffer_place_cursor(memo->handle, &start);
+ /* get cursor position into index */
+ g_object_get(memo->handle, "cursor-position", &index, NULL);
+ /* get text from textbuffer */
+ gtk_text_buffer_get_start_iter (memo->handle, &start);
+ gtk_text_buffer_get_end_iter (memo->handle, &end);
+ val = gtk_text_buffer_get_text (memo->handle, &start, &end, FALSE);
+ break;
+ default:
+ return FALSE; // should not happen
+ }
+ button *= f;
+ // hand click parameters as well as text & location to user
+ res = (userHandler) (memo, button, w, h, val, index);
+ if(val) g_free(val);
+ return res;
+}
+
+void
AddHandler (Option *opt, int nr)
{
switch(nr) {
case 0:
case 1:
case 2: break;
- case 3: g_signal_connect(opt->handle, "key-press-event", G_CALLBACK (ICSKeyEvent), NULL); break;
+ case 3: g_signal_connect(opt->handle, "key-press-event", G_CALLBACK (ICSKeyEvent), NULL); break; // Input Box
case 4:
case 5:
case 6: break;
void
GraphExpose (Option *opt, int x, int y, int w, int h)
{
+#if 0
+ GdkRectangle r;
+ r.x = x; r.y = y; r.width = w; r.height = h;
+ gdk_window_invalidate_rect(((GtkWidget *)(opt->handle))->window, &r, FALSE);
+#endif
GdkEventExpose e;
if(!opt->handle) return;
e.area.x = x; e.area.y = y; e.area.width = w; e.area.height = h; e.count = -1; e.type = GDK_EXPOSE; // count = -1: kludge to suppress sizing
- GraphEventProc(opt->handle, (GdkEvent// gtk_check_menu_item_set_active((GtkCheckMenuItem *) item->handle, state);
- *) &e, (gpointer) opt); // fake expose event
+ GraphEventProc(opt->handle, (GdkEvent *) &e, (gpointer) opt); // fake expose event
}
void GenericCallback(GtkWidget *widget, gpointer gdata)
else
gtk_text_buffer_set_text (textbuffer, "", -1);
option[i].handle = (void*)textbuffer;
+ option[i].textValue = (char*)textview;
+ if(option[i].choice) { // textviews can request a handler for mouse events in the choice field
+ g_signal_connect(textview, "button-press-event", G_CALLBACK (MemoEvent), (gpointer) &option[i] );
+ g_signal_connect(textview, "button-release-event", G_CALLBACK (MemoEvent), (gpointer) &option[i] );
+ g_signal_connect(textview, "motion-notify-event", G_CALLBACK (MemoEvent), (gpointer) &option[i] );
+ }
break;
}