123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
// 6 december 2015
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#include "uipriv_unix.h"
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// TODO: ensure this can only be used to enter plain text
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struct uiMultilineEntry {
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uiUnixControl c;
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GtkWidget *widget;
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GtkContainer *scontainer;
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GtkScrolledWindow *sw;
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GtkWidget *textviewWidget;
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GtkTextView *textview;
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GtkTextBuffer *textbuf;
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void (*onChanged)(uiMultilineEntry *, void *);
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void *onChangedData;
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gulong onChangedSignal;
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};
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uiUnixControlAllDefaults(uiMultilineEntry)
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static void onChanged(GtkTextBuffer *textbuf, gpointer data)
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{
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uiMultilineEntry *e = uiMultilineEntry(data);
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(*(e->onChanged))(e, e->onChangedData);
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}
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static void defaultOnChanged(uiMultilineEntry *e, void *data)
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{
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// do nothing
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}
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char *uiMultilineEntryText(uiMultilineEntry *e)
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{
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GtkTextIter start, end;
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char *tret, *out;
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gtk_text_buffer_get_start_iter(e->textbuf, &start);
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gtk_text_buffer_get_end_iter(e->textbuf, &end);
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tret = gtk_text_buffer_get_text(e->textbuf, &start, &end, TRUE);
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// 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
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out = uiUnixStrdupText(tret);
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g_free(tret);
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return out;
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}
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void uiMultilineEntrySetText(uiMultilineEntry *e, const char *text)
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{
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// TODO does this send a changed signal?
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gtk_text_buffer_set_text(e->textbuf, text, -1);
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}
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// TODO scroll to end?
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void uiMultilineEntryAppend(uiMultilineEntry *e, const char *text)
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{
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GtkTextIter end;
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gtk_text_buffer_get_end_iter(e->textbuf, &end);
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// TODO does this send a changed signal?
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gtk_text_buffer_insert(e->textbuf, &end, text, -1);
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}
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void uiMultilineEntryOnChanged(uiMultilineEntry *e, void (*f)(uiMultilineEntry *e, void *data), void *data)
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{
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e->onChanged = f;
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e->onChangedData = data;
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}
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int uiMultilineEntryReadOnly(uiMultilineEntry *e)
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{
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return gtk_text_view_get_editable(e->textview) == FALSE;
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}
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void uiMultilineEntrySetReadOnly(uiMultilineEntry *e, int readonly)
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{
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gboolean editable;
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editable = TRUE;
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if (readonly)
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editable = FALSE;
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gtk_text_view_set_editable(e->textview, editable);
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}
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static uiMultilineEntry *finishMultilineEntry(GtkPolicyType hpolicy, GtkWrapMode wrapMode)
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{
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uiMultilineEntry *e;
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uiUnixNewControl(uiMultilineEntry, e);
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e->widget = gtk_scrolled_window_new(NULL, NULL);
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e->scontainer = GTK_CONTAINER(e->widget);
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e->sw = GTK_SCROLLED_WINDOW(e->widget);
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gtk_scrolled_window_set_policy(e->sw,
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hpolicy,
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GTK_POLICY_AUTOMATIC);
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gtk_scrolled_window_set_shadow_type(e->sw, GTK_SHADOW_IN);
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e->textviewWidget = gtk_text_view_new();
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e->textview = GTK_TEXT_VIEW(e->textviewWidget);
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gtk_text_view_set_wrap_mode(e->textview, wrapMode);
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gtk_container_add(e->scontainer, e->textviewWidget);
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// and make the text view visible; only the scrolled window's visibility is controlled by libui
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gtk_widget_show(e->textviewWidget);
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e->textbuf = gtk_text_view_get_buffer(e->textview);
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e->onChangedSignal = g_signal_connect(e->textbuf, "changed", G_CALLBACK(onChanged), e);
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uiMultilineEntryOnChanged(e, defaultOnChanged, NULL);
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return e;
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}
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uiMultilineEntry *uiNewMultilineEntry(void)
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{
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return finishMultilineEntry(GTK_POLICY_NEVER, GTK_WRAP_WORD);
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}
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uiMultilineEntry *uiNewNonWrappingMultilineEntry(void)
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{
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return finishMultilineEntry(GTK_POLICY_AUTOMATIC, GTK_WRAP_NONE);
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}
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