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netsurf/amiga/selectmenu.c

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/*
* 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>
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#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"
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/* 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...
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*/
#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)
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/** 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;
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struct Hook selectmenuhook;
Object *selectmenuobj;
Object *smenu = NULL;
Object *currentmenu;
Object *submenu = NULL;
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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;
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ClearMem(selectmenu_item, AMI_SELECTMENU_MAX * 4);
more_label = ami_utf8_easy(messages_get("More"));
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selectmenuhook.h_Entry = ami_popup_hook;
selectmenuhook.h_SubEntry = NULL;
selectmenuhook.h_Data = g;
g->shared->control = control;
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selectmenuobj = PMMENU(form_control_get_name(control)),
PMA_MenuHandler, &selectmenuhook, End;
currentmenu = selectmenuobj;
while(opt) {
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selectmenu_item[i] = ami_utf8_easy(opt->text);
IDoMethod(currentmenu, PM_INSERT,
NewObject(POPUPMENU_GetItemClass(), NULL,
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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;
}
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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);
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/* Free the menu labels */
if(more_label) ami_utf8_free(more_label);
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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)
{
}
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BOOL ami_selectmenu_is_safe()
{
return FALSE;
}
#endif