Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.1 / guicast / bcrecentlist.C

diff --git a/cinelerra-5.1/guicast/bcrecentlist.C b/cinelerra-5.1/guicast/bcrecentlist.C
new file mode 100644 (file)
index 0000000..8e1a617
--- /dev/null
+++ b/cinelerra-5.1/guicast/bcrecentlist.C
@@ -0,0 +1,134 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2004 Nathan Kurz
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#include <string.h>
+
+#include "bchash.h"
+#include "bctextbox.h"
+#include "bclistbox.h"
+#include "bclistboxitem.h"
+#include "bcrecentlist.h"
+
+// NOTE: textbox can be NULL if no textbox is associated
+BC_RecentList::BC_RecentList(const char *type, BC_Hash *defaults, 
+                            BC_TextBox *textbox, int max, 
+                            int x, int y, int w, int h) 
+       : BC_ListBox(x, y, w, h, LISTBOX_TEXT, 0, 0, 0, 1, 0, 1) 
+{
+       this->type = type;
+       this->defaults = defaults;
+       this->textbox = textbox;
+       set_tooltip("Choose from recently used");
+}
+
+BC_RecentList::BC_RecentList(const char *type, BC_Hash *defaults, 
+                            BC_TextBox *textbox) 
+       : BC_ListBox(textbox->get_x() + textbox->get_w(), textbox->get_y(),
+                    textbox->get_w(), RECENT_POPUP_HEIGHT,
+                    LISTBOX_TEXT, 0, 0, 0, 1, 0, 1)
+{
+       this->type = type;
+       this->defaults = defaults;
+       this->textbox = textbox;
+       set_tooltip("Choose from recently used");
+}
+
+BC_RecentList::BC_RecentList(const char *type, BC_Hash *defaults) 
+       : BC_ListBox(-1, -1, -1, -1, LISTBOX_TEXT, 0, 0, 0, 1, 0, 1)
+{
+       this->type = type;
+       this->defaults = defaults;
+       this->textbox = NULL;
+}
+
+BC_RecentList::~BC_RecentList()
+{
+       items.remove_all_objects();
+}
+
+int BC_RecentList::handle_event() {
+       BC_ListBoxItem *item = get_selection(0, 0);
+       if (item < 0) return 0;
+       char *text = item->get_text();
+       if (text && textbox) {
+               // change the text in the textbox
+               textbox->update(text);
+               // tell the textbox to deal with it
+               textbox->handle_event();
+       }
+       return 0;
+}
+
+
+int BC_RecentList::load_items(const char *prefix) {
+
+       if (! prefix) prefix = "ANY";
+
+       if (items.total > 0) {
+               items.remove_all_objects();
+       }
+
+       int count;
+       for (count = 0; count < RECENT_MAX_ITEMS; count++) {
+               char save[BCTEXTLEN];
+               char text[BCTEXTLEN];
+               sprintf(save, "RECENT_%s_%s_%d", prefix, type, count);
+               text[0] = 0;
+               defaults->get(save, text);
+               if (strlen(text) == 0) break;
+               items.append(new BC_ListBoxItem(text));
+       }
+
+       // only update if we are part of a window
+       if (textbox) update(&items, 0, 0, 1);
+
+       return count;
+}      
+
+
+int BC_RecentList::add_item(const char *prefix, char *text) {
+
+       if (! prefix) prefix = "ANY";
+       
+       // remove an old item if it matches the new text
+       for (int i = 0; i < items.total; i++) {
+               BC_ListBoxItem *item = items.values[i];
+               if (strcmp(text, item->get_text()) == 0) {
+                       items.remove_object(item);
+               }
+       }
+
+       // make a new item and put it at the top of the list
+       items.insert(new BC_ListBoxItem(text), 0);
+
+       // save up to maximum items of the list for future use
+       int count;
+       for (count = 0; 
+            count < RECENT_MAX_ITEMS && count < items.total; 
+            count++) {
+               BC_ListBoxItem *item = items.values[count];
+               char save[BCTEXTLEN];
+               sprintf(save, "RECENT_%s_%s_%d", prefix, type, count);
+               defaults->update(save, item->get_text());
+       }
+
+       return count;
+}