summaryrefslogtreecommitdiff
path: root/frontends/amiga/selectmenu.c
diff options
context:
space:
mode:
Diffstat (limited to 'frontends/amiga/selectmenu.c')
-rw-r--r--frontends/amiga/selectmenu.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/frontends/amiga/selectmenu.c b/frontends/amiga/selectmenu.c
new file mode 100644
index 000000000..25931783f
--- /dev/null
+++ b/frontends/amiga/selectmenu.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2008 - 2011 Chris Young <chris@unsatisfactorysoftware.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef __amigaos4__
+
+#include <stdbool.h>
+#include <proto/exec.h>
+#include <proto/intuition.h>
+#include <proto/popupmenu.h>
+#include <proto/utility.h>
+#include <reaction/reaction_macros.h>
+
+#include "utils/errors.h"
+#include "utils/log.h"
+#include "utils/messages.h"
+#include "render/form.h"
+#include "desktop/mouse.h"
+
+#include "amiga/gui.h"
+#include "amiga/selectmenu.h"
+#include "amiga/theme.h"
+#include "amiga/utf8.h"
+
+/* Maximum number of items for a popupmenu.class select menu.
+ * 50 is about the limit for my screen, and popupmenu doesn't scroll.
+ * We may need to calculate a value for this based on screen/font size.
+ *
+ * Additional entries will be added to a "More" menu...
+ */
+#define AMI_SELECTMENU_PAGE_MAX 40
+
+/* ...limited to the number of menus defined here... */
+#define AMI_SELECTMENU_MENU_MAX 10
+
+/* ...and resulting in this total number of entries. */
+#define AMI_SELECTMENU_MAX (AMI_SELECTMENU_PAGE_MAX * AMI_SELECTMENU_MENU_MAX)
+
+
+/** Exported interface documented in selectmenu.h **/
+BOOL ami_selectmenu_is_safe(void)
+{
+ struct Library *PopupMenuBase;
+ BOOL popupmenu_lib_ok = FALSE;
+
+ if((PopupMenuBase = OpenLibrary("popupmenu.library", 53))) {
+ LOG("popupmenu.library v%d.%d", PopupMenuBase->lib_Version, PopupMenuBase->lib_Revision);
+ if(LIB_IS_AT_LEAST((struct Library *)PopupMenuBase, 53, 11))
+ popupmenu_lib_ok = TRUE;
+ CloseLibrary(PopupMenuBase);
+ }
+
+ return popupmenu_lib_ok;
+}
+
+HOOKF(uint32, ami_popup_hook, Object *, item, APTR)
+{
+ uint32 itemid = 0;
+ struct gui_window *gwin = hook->h_Data;
+
+ if(GetAttr(PMIA_ID, item, &itemid)) {
+ form_select_process_selection(gwin->shared->control, itemid);
+ }
+
+ return itemid;
+}
+
+void gui_create_form_select_menu(struct gui_window *g,
+ struct form_control *control)
+{
+ struct Library *PopupMenuBase = NULL;
+ struct PopupMenuIFace *IPopupMenu = NULL;
+ struct Hook selectmenuhook;
+ Object *selectmenuobj;
+ Object *smenu = NULL;
+ Object *currentmenu;
+ Object *submenu = NULL;
+ char *selectmenu_item[AMI_SELECTMENU_MAX];
+ char *more_label;
+ struct form_option *opt = form_select_get_option(control, 0);
+ int i = 0;
+ int n = 0;
+
+ if(ami_selectmenu_is_safe() == FALSE) return;
+
+ if((PopupMenuBase = OpenLibrary("popupmenu.class", 0))) {
+ IPopupMenu = (struct PopupMenuIFace *)GetInterface(PopupMenuBase, "main", 1, NULL);
+ }
+
+ if(IPopupMenu == NULL) return;
+
+ ClearMem(selectmenu_item, AMI_SELECTMENU_MAX * 4);
+ more_label = ami_utf8_easy(messages_get("More"));
+
+ selectmenuhook.h_Entry = ami_popup_hook;
+ selectmenuhook.h_SubEntry = NULL;
+ selectmenuhook.h_Data = g;
+
+ g->shared->control = control;
+
+ selectmenuobj = PMMENU(form_control_get_name(control)),
+ PMA_MenuHandler, &selectmenuhook, End;
+
+ currentmenu = selectmenuobj;
+
+ while(opt) {
+ selectmenu_item[i] = ami_utf8_easy(opt->text);
+
+ IDoMethod(currentmenu, PM_INSERT,
+ NewObject(POPUPMENU_GetItemClass(), NULL,
+ PMIA_Title, (ULONG)selectmenu_item[i],
+ PMIA_ID, i,
+ PMIA_CheckIt, TRUE,
+ PMIA_Checked, opt->selected,
+ TAG_DONE),
+ ~0);
+
+ opt = opt->next;
+ i++;
+ n++;
+
+ if(n == AMI_SELECTMENU_PAGE_MAX) {
+ if(submenu != NULL) {
+ /* attach the previous submenu */
+ IDoMethod(smenu, PM_INSERT,
+ NewObject(NULL, "popupmenuitem.class",
+ PMIA_Title, more_label,
+ PMIA_CheckIt, TRUE,
+ PMIA_SubMenu, submenu,
+ TAG_DONE),
+ ~0);
+ }
+
+ submenu = NewObject(NULL, "popupmenu.class", TAG_DONE);
+ smenu = currentmenu;
+ currentmenu = submenu;
+ n = 0;
+ }
+
+ if(i >= AMI_SELECTMENU_MAX) break;
+ }
+
+ if((submenu != NULL) && (n != 0)) {
+ /* attach the previous submenu */
+ IDoMethod(smenu, PM_INSERT,
+ NewObject(NULL, "popupmenuitem.class",
+ PMIA_Title, more_label,
+ PMIA_CheckIt, TRUE,
+ PMIA_SubMenu, submenu,
+ TAG_DONE),
+ ~0);
+ }
+
+ ami_set_pointer(g->shared, GUI_POINTER_DEFAULT, false); // Clear the menu-style pointer
+
+ IDoMethod(selectmenuobj, PM_OPEN, g->shared->win);
+
+ /* PM_OPEN is blocking, so dispose menu immediately... */
+ if(selectmenuobj) DisposeObject(selectmenuobj);
+
+ /* ...and get rid of popupmenu.class ASAP */
+ if(IPopupMenu) DropInterface((struct Interface *)IPopupMenu);
+ if(PopupMenuBase) CloseLibrary(PopupMenuBase);
+
+ /* Free the menu labels */
+ if(more_label) ami_utf8_free(more_label);
+ for(i = 0; i < AMI_SELECTMENU_MAX; i++) {
+ if(selectmenu_item[i] != NULL) {
+ ami_utf8_free(selectmenu_item[i]);
+ selectmenu_item[i] = NULL;
+ }
+ }
+}
+
+#else
+#include "amiga/selectmenu.h"
+void gui_create_form_select_menu(struct gui_window *g, struct form_control *control)
+{
+}
+
+BOOL ami_selectmenu_is_safe()
+{
+ return FALSE;
+}
+#endif
+