diff -r 000000000000 -r 2483f517c562 ui/motif/menu.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ui/motif/menu.c Sun Jan 21 16:30:18 2024 +0100 @@ -0,0 +1,484 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2014 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include + +#include "menu.h" +#include "button.h" +#include "toolkit.h" +#include "stock.h" +#include "container.h" +#include "../common/context.h" +#include "../ui/window.h" + +#include +#include + +static ui_menu_add_f createMenuItem[] = { + /* UI_MENU */ add_menu_widget, + /* UI_MENU_SUBMENU */ add_menu_widget, + /* UI_MENU_ITEM */ add_menuitem_widget, + /* UI_MENU_STOCK_ITEM */ add_menuitem_st_widget, + /* UI_MENU_CHECK_ITEM */ add_checkitem_widget, + /* UI_MENU_CHECK_ITEM_NV */ add_checkitemnv_widget, + /* UI_MENU_ITEM_LIST */ add_menuitem_list_widget, + /* UI_MENU_ITEM_LIST_NV */ NULL, // TODO + /* UI_MENU_SEPARATOR */ add_menuseparator_widget +}; + +// private menu functions +void ui_create_menubar(UiObject *obj) { + UiMenu *menus = uic_get_menu_list(); + if(!menus) { + return; + } + + Widget menubar = XmCreateMenuBar(obj->widget, "main_list", NULL, 0); + XtManageChild(menubar); + + UiMenu *menu = menus; + int menu_index = 0; + while(menu) { + menu_index += add_menu_widget(menubar, menu_index, &menu->item, obj); + + menu = (UiMenu*)menu->item.next; + } +} + +int add_menu_widget(Widget parent, int i, UiMenuItemI *item, UiObject *obj) { + UiMenu *menu = (UiMenu*)item; + + Widget menuItem = XtVaCreateManagedWidget( + menu->label, + xmCascadeButtonWidgetClass, + parent, + NULL); + Widget m = XmVaCreateSimplePulldownMenu(parent, menu->label, i, NULL, NULL); + + UiMenuItemI *mi = menu->items_begin; + int menu_index = 0; + while(mi) { + menu_index += createMenuItem[mi->type](m, menu_index, mi, obj); + mi = mi->next; + } + + return 1; +} + +int add_menuitem_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiMenuItem *mi = (UiMenuItem*)item; + + Arg args[1]; + XmString label = XmStringCreateLocalized(mi->label); + XtSetArg(args[0], XmNlabelString, label); + + Widget mitem = XtCreateManagedWidget( + "menubutton", + xmPushButtonWidgetClass, + parent, + args, + 1); + XmStringFree(label); + + if(mi->callback != NULL) { + UiEventData *event = cxMalloc( + obj->ctx->allocator, + sizeof(UiEventData)); + event->obj = obj; + event->userdata = mi->userdata; + event->callback = mi->callback; + event->value = 0; + XtAddCallback( + mitem, + XmNactivateCallback, + (XtCallbackProc)ui_push_button_callback, + event); + } + + if(mi->groups) { + uic_add_group_widget(obj->ctx, mitem, (ui_enablefunc)XtSetSensitive, mi->groups); + } + + return 1; +} + +int add_menuitem_st_widget(Widget parent, int i, UiMenuItemI *item, UiObject *obj) { + UiStMenuItem *mi = (UiStMenuItem*)item; + + UiStockItem *si = ui_get_stock_item(mi->stockid); + if(!si) { + fprintf(stderr, "UI Error: unknown stock id: %s\n", mi->stockid); + return 0; + } + + int n = 0; + Arg args[4]; + XmString label = XmStringCreateLocalized(si->label); + XmString at = NULL; + + XtSetArg(args[n], XmNlabelString, label); + n++; + if(si->accelerator) { + XtSetArg(args[n], XmNaccelerator, si->accelerator); + n++; + } + if(si->accelerator_label) { + at = XmStringCreateLocalized(si->accelerator_label); + XtSetArg(args[n], XmNacceleratorText, at); + n++; + } + + Widget mitem = XtCreateManagedWidget( + "menubutton", + xmPushButtonWidgetClass, + parent, + args, + n); + XmStringFree(label); + if(at) { + XmStringFree(at); + } + + if(mi->callback != NULL) { + UiEventData *event = cxMalloc( + obj->ctx->allocator, + sizeof(UiEventData)); + event->obj = obj; + event->userdata = mi->userdata; + event->callback = mi->callback; + event->value = 0; + XtAddCallback( + mitem, + XmNactivateCallback, + (XtCallbackProc)ui_push_button_callback, + event); + } + + if(mi->groups) { + uic_add_group_widget(obj->ctx, mitem, (ui_enablefunc)XtSetSensitive, mi->groups); + } + + return 1; +} + +int add_menuseparator_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + Widget s = XmCreateSeparatorGadget (parent, "menu_separator", NULL, 0); + XtManageChild(s); + return 1; +} + +int add_checkitem_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiCheckItem *ci = (UiCheckItem*)item; + + Arg args[3]; + XmString label = XmStringCreateLocalized(ci->label); + XtSetArg(args[0], XmNlabelString, label); + XtSetArg(args[1], XmNvisibleWhenOff, 1); + Widget checkbox = XtCreateManagedWidget( + "menutogglebutton", + xmToggleButtonWidgetClass, + parent, + args, + 2); + XmStringFree(label); + + if(ci->callback) { + UiEventData *event = cxMalloc( + obj->ctx->allocator, + sizeof(UiEventData)); + event->obj = obj; + event->userdata = ci->userdata; + event->callback = ci->callback; + XtAddCallback( + checkbox, + XmNvalueChangedCallback, + (XtCallbackProc)ui_toggle_button_callback, + event); + } + + return 1; +} + +int add_checkitemnv_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiCheckItemNV *ci = (UiCheckItemNV*)item; + + Arg args[3]; + XmString label = XmStringCreateLocalized(ci->label); + XtSetArg(args[0], XmNlabelString, label); + XtSetArg(args[1], XmNvisibleWhenOff, 1); + Widget checkbox = XtCreateManagedWidget( + "menutogglebutton", + xmToggleButtonWidgetClass, + parent, + args, + 2); + XmStringFree(label); + + UiVar *var = uic_create_var(obj->ctx, ci->varname, UI_VAR_INTEGER); + if(var) { + UiInteger *value = var->value; + value->obj = checkbox; + value->get = ui_toggle_button_get; + value->set = ui_toggle_button_set; + value = 0; + } else { + // TODO: error + } + + return 1; +} + +int add_menuitem_list_widget( + Widget parent, + int i, + UiMenuItemI *item, + UiObject *obj) +{ + UiMenuItemList *il = (UiMenuItemList*)item; + + UiActiveMenuItemList *ls = cxMalloc( + obj->ctx->allocator, + sizeof(UiActiveMenuItemList)); + + ls->object = obj; + ls->menu = parent; + ls->index = i; + ls->oldcount = 0; + ls->list = il->list; + ls->callback = il->callback; + ls->userdata = il->userdata; + + ls->list->observers = ui_add_observer( + ls->list->observers, + (ui_callback)ui_update_menuitem_list, + ls); + + ui_update_menuitem_list(NULL, ls); + + return 0; +} + +void ui_update_menuitem_list(UiEvent *event, UiActiveMenuItemList *list) { + Arg args[4]; + + // remove old items + if(list->oldcount > 0) { + Widget *children; + int nc; + + XtVaGetValues( + list->menu, + XmNchildren, + &children, + XmNnumChildren, + &nc, + NULL); + + for(int i=0;ioldcount;i++) { + XtDestroyWidget(children[list->index + i]); + } + } + + char *str = ui_list_first(list->list); + if(str) { + // add separator + XtSetArg(args[0], XmNpositionIndex, list->index); + Widget s = XmCreateSeparatorGadget (list->menu, "menu_separator", args, 1); + XtManageChild(s); + } + int i = 1; + while(str) { + XmString label = XmStringCreateLocalized(str); + XtSetArg(args[0], XmNlabelString, label); + XtSetArg(args[1], XmNpositionIndex, list->index + i); + + Widget mitem = XtCreateManagedWidget( + "menubutton", + xmPushButtonWidgetClass, + list->menu, + args, + 2); + XmStringFree(label); + + if(list->callback) { + // TODO: use mempool + UiEventData *event = malloc(sizeof(UiEventData)); + event->obj = list->object; + event->userdata = list->userdata; + event->callback = list->callback; + event->value = i - 1; + + XtAddCallback( + mitem, + XmNactivateCallback, + (XtCallbackProc)ui_push_button_callback, + event); + } + + str = ui_list_next(list->list); + i++; + } + + list->oldcount = i; +} + +void ui_menu_event_wrapper(Widget widget, XtPointer udata, XtPointer cdata) { + UiEventData *event = udata; + UiEvent e; + e.obj = event->obj; + e.window = event->obj->window; + e.document = event->obj->ctx->document; + e.intval = 0; + event->callback(&e, event->userdata); +} + + +/* + * widget menu functions + */ + +static void ui_popup_handler(Widget widget, XtPointer data, XEvent *event, Boolean *c) { + Widget menu = data; + XmMenuPosition(menu, (XButtonPressedEvent *)event); + XtManageChild(menu); + + *c = FALSE; +} + +UIMENU ui_contextmenu(UiObject *obj) { + UiContainer *ct = uic_get_current_container(obj); + if(ct->current) { + return ui_contextmenu_w(obj, ct->current); + } else { + return NULL; // TODO: warn + } +} + +UIMENU ui_contextmenu_w(UiObject *obj, UIWIDGET widget) { + UiContainer *ct = uic_get_current_container(obj); + + Widget menu = XmCreatePopupMenu(widget, "popup_menu", NULL, 0); + ct->menu = menu; + + XtAddEventHandler(widget, ButtonPressMask, FALSE, ui_popup_handler, menu); + + return menu; +} + +void ui_contextmenu_popup(UIMENU menu) { + +} + +void ui_widget_menuitem(UiObject *obj, char *label, ui_callback f, void *userdata) { + ui_widget_menuitem_gr(obj, label, f, userdata, -1); +} + +void ui_widget_menuitem_gr(UiObject *obj, char *label, ui_callback f, void *userdata, ...) { + UiContainer *ct = uic_get_current_container(obj); + if(!ct->menu) { + return; + } + + // add groups + CxList *groups = NULL; + va_list ap; + va_start(ap, userdata); + int group; + while((group = va_arg(ap, int)) != -1) { + if(!groups) { + groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16); + } + cxListAdd(groups, &group); + } + va_end(ap); + + // create menuitem + Arg args[4]; + XmString labelstr = XmStringCreateLocalized(label); + XtSetArg(args[0], XmNlabelString, labelstr); + + Widget item = XmCreatePushButton(ct->menu, "menu_button", args, 1); + XtManageChild(item); + XmStringFree(labelstr); +} + +void ui_widget_menuitem_st(UiObject *obj, char *stockid, ui_callback f, void *userdata) { + ui_widget_menuitem_stgr(obj, stockid, f, userdata, -1); +} + +void ui_widget_menuitem_stgr(UiObject *obj, char *stockid, ui_callback f, void *userdata, ...) { + UiContainer *ct = uic_get_current_container(obj); + if(!ct->menu) { + return; + } + + // add groups + CxList *groups = NULL; + va_list ap; + va_start(ap, userdata); + int group; + while((group = va_arg(ap, int)) != -1) { + if(!groups) { + groups = cxArrayListCreate(cxDefaultAllocator, NULL, sizeof(int), 16); + } + cxListAdd(groups, &group); + } + va_end(ap); + + // create menuitem + UiStockItem *stockItem = ui_get_stock_item(stockid); + Arg args[4]; + XmString labelstr = XmStringCreateLocalized(stockItem->label); + XtSetArg(args[0], XmNlabelString, labelstr); + + Widget item = XmCreatePushButton(ct->menu, "menu_button", args, 1); + XtManageChild(item); + XmStringFree(labelstr); +}