// 6 december 2015 #include "uipriv_unix.h" struct uiMultilineEntry { uiUnixControl c; GtkWidget *widget; GtkContainer *scontainer; GtkScrolledWindow *sw; GtkWidget *textviewWidget; GtkTextView *textview; GtkTextBuffer *textbuf; void (*onChanged)(uiMultilineEntry *, void *); void *onChangedData; gulong onChangedSignal; }; uiUnixControlAllDefaults(uiMultilineEntry) static void onChanged(GtkTextBuffer *textbuf, gpointer data) { uiMultilineEntry *e = uiMultilineEntry(data); (*(e->onChanged))(e, e->onChangedData); } static void defaultOnChanged(uiMultilineEntry *e, void *data) { // do nothing } char *uiMultilineEntryText(uiMultilineEntry *e) { GtkTextIter start, end; char *tret, *out; gtk_text_buffer_get_start_iter(e->textbuf, &start); gtk_text_buffer_get_end_iter(e->textbuf, &end); tret = gtk_text_buffer_get_text(e->textbuf, &start, &end, TRUE); // theoretically we could just return tret because uiUnixStrdupText() is just g_strdup(), but if that ever changes we can't, so let's do it this way to be safe out = uiUnixStrdupText(tret); g_free(tret); return out; } void uiMultilineEntrySetText(uiMultilineEntry *e, const char *text) { // we need to inhibit sending of ::changed because this WILL send a ::changed otherwise g_signal_handler_block(e->textbuf, e->onChangedSignal); gtk_text_buffer_set_text(e->textbuf, text, -1); g_signal_handler_unblock(e->textbuf, e->onChangedSignal); } // TODO scroll to end? void uiMultilineEntryAppend(uiMultilineEntry *e, const char *text) { GtkTextIter end; gtk_text_buffer_get_end_iter(e->textbuf, &end); // we need to inhibit sending of ::changed because this WILL send a ::changed otherwise g_signal_handler_block(e->textbuf, e->onChangedSignal); gtk_text_buffer_insert(e->textbuf, &end, text, -1); g_signal_handler_unblock(e->textbuf, e->onChangedSignal); } void uiMultilineEntryOnChanged(uiMultilineEntry *e, void (*f)(uiMultilineEntry *e, void *data), void *data) { e->onChanged = f; e->onChangedData = data; } int uiMultilineEntryReadOnly(uiMultilineEntry *e) { return gtk_text_view_get_editable(e->textview) == FALSE; } void uiMultilineEntrySetReadOnly(uiMultilineEntry *e, int readonly) { gboolean editable; editable = TRUE; if (readonly) editable = FALSE; gtk_text_view_set_editable(e->textview, editable); } static uiMultilineEntry *finishMultilineEntry(GtkPolicyType hpolicy, GtkWrapMode wrapMode) { uiMultilineEntry *e; uiUnixNewControl(uiMultilineEntry, e); e->widget = gtk_scrolled_window_new(NULL, NULL); e->scontainer = GTK_CONTAINER(e->widget); e->sw = GTK_SCROLLED_WINDOW(e->widget); gtk_scrolled_window_set_policy(e->sw, hpolicy, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_shadow_type(e->sw, GTK_SHADOW_IN); e->textviewWidget = gtk_text_view_new(); e->textview = GTK_TEXT_VIEW(e->textviewWidget); gtk_text_view_set_wrap_mode(e->textview, wrapMode); gtk_container_add(e->scontainer, e->textviewWidget); // and make the text view visible; only the scrolled window's visibility is controlled by libui gtk_widget_show(e->textviewWidget); e->textbuf = gtk_text_view_get_buffer(e->textview); e->onChangedSignal = g_signal_connect(e->textbuf, "changed", G_CALLBACK(onChanged), e); uiMultilineEntryOnChanged(e, defaultOnChanged, NULL); return e; } uiMultilineEntry *uiNewMultilineEntry(void) { return finishMultilineEntry(GTK_POLICY_NEVER, GTK_WRAP_WORD); } uiMultilineEntry *uiNewNonWrappingMultilineEntry(void) { return finishMultilineEntry(GTK_POLICY_AUTOMATIC, GTK_WRAP_NONE); }