X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/858d4f32a10d71d009ee0e4bb4c3d7dbef964a67..2fa6c78d8dbf5402a6d2d79c3be9e208fd425f4a:/gtk.c

diff --git a/gtk.c b/gtk.c
index 9c19ab6..bfc06d7 100644
--- a/gtk.c
+++ b/gtk.c
@@ -499,6 +499,17 @@ void gtk_end_draw(void *handle)
     }
 }
 
+#ifdef USE_PANGO
+char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
+{
+    /*
+     * We assume Pango can cope with any UTF-8 likely to be emitted
+     * by a puzzle.
+     */
+    return dupstr(strings[0]);
+}
+#endif
+
 const struct drawing_api gtk_drawing = {
     gtk_draw_text,
     gtk_draw_rect,
@@ -516,7 +527,12 @@ const struct drawing_api gtk_drawing = {
     gtk_blitter_save,
     gtk_blitter_load,
     NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
-    NULL,			       /* line_width */
+    NULL, NULL,			       /* line_width, line_dotted */
+#ifdef USE_PANGO
+    gtk_text_fallback,
+#else
+    NULL,
+#endif
 };
 
 static void destroy(GtkWidget *widget, gpointer data)
@@ -1208,77 +1224,40 @@ static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
 GdkAtom compound_text_atom, utf8_string_atom;
 int paste_initialised = FALSE;
 
-void init_paste()
+static void set_selection(frontend *fe, GdkAtom selection)
 {
-    unsigned char empty[] = { 0 };
-
-    if (paste_initialised)
-	return;
-
-    if (!compound_text_atom)
-        compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
-    if (!utf8_string_atom)
-        utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
+    if (!paste_initialised) {
+	compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
+	utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
+	paste_initialised = TRUE;
+    }
 
     /*
-     * Ensure that all the cut buffers exist - according to the
-     * ICCCM, we must do this before we start using cut buffers.
+     * For this simple application we can safely assume that the
+     * data passed to this function is pure ASCII, which means we
+     * can return precisely the same stuff for types STRING,
+     * COMPOUND_TEXT or UTF8_STRING.
      */
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
-    XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
-		    XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
-}
-
-/* Store data in a cut-buffer. */
-void store_cutbuffer(char *ptr, int len)
-{
-    /* ICCCM says we must rotate the buffers before storing to buffer 0. */
-    XRotateBuffers(GDK_DISPLAY(), 1);
-    XStoreBytes(GDK_DISPLAY(), ptr, len);
+
+    if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
+	gtk_selection_clear_targets(fe->area, selection);
+	gtk_selection_add_target(fe->area, selection,
+				 GDK_SELECTION_TYPE_STRING, 1);
+	gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
+	gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
+    }
 }
 
 void write_clip(frontend *fe, char *data)
 {
-    init_paste();
-
     if (fe->paste_data)
 	sfree(fe->paste_data);
 
-    /*
-     * For this simple application we can safely assume that the
-     * data passed to this function is pure ASCII, which means we
-     * can return precisely the same stuff for types STRING,
-     * COMPOUND_TEXT or UTF8_STRING.
-     */
-
     fe->paste_data = data;
     fe->paste_data_len = strlen(data);
 
-    store_cutbuffer(fe->paste_data, fe->paste_data_len);
-
-    if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
-				CurrentTime)) {
-	gtk_selection_clear_targets(fe->area, GDK_SELECTION_PRIMARY);
-	gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
-				 GDK_SELECTION_TYPE_STRING, 1);
-	gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
-				 compound_text_atom, 1);
-	gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
-				 utf8_string_atom, 1);
-    }
+    set_selection(fe, GDK_SELECTION_PRIMARY);
+    set_selection(fe, GDK_SELECTION_CLIPBOARD);
 }
 
 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,