qulogic/libgnt

Name space SAFE and CONSTCH because gobject-introspection was complaining even after marking them as skip

2019-10-12, Gary Kramlich
75e4462381d5
Name space SAFE and CONSTCH because gobject-introspection was complaining even after marking them as skip
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "gntinternal.h"
#include "gntmenu.h"
#include "gntmenuitemcheck.h"
#include "gntmenuitemprivate.h"
#include "gntwidgetprivate.h"
#include <ctype.h>
#include <string.h>
struct _GntMenu
{
GntTree parent;
GntMenuType type;
GList *list;
guint selected;
/* This will keep track of its immediate submenu which is visible so
* that keystrokes can be passed to it. */
GntMenu *submenu;
GntMenu *parentmenu;
};
enum
{
SIGS = 1,
};
enum
{
ITEM_TEXT = 0,
ITEM_TRIGGER,
ITEM_SUBMENU,
NUM_COLUMNS
};
static void (*org_draw)(GntWidget *wid);
static void (*org_destroy)(GntWidget *wid);
static void (*org_map)(GntWidget *wid);
static void (*org_size_request)(GntWidget *wid);
static gboolean (*org_key_pressed)(GntWidget *w, const char *t);
static gboolean (*org_clicked)(GntWidget *w, GntMouseEvent event, int x, int y);
static void menuitem_activate(GntMenu *menu, GntMenuItem *item);
G_DEFINE_TYPE(GntMenu, gnt_menu, GNT_TYPE_TREE)
static void
menu_hide_all(GntMenu *menu)
{
while (menu->parentmenu)
menu = menu->parentmenu;
gnt_widget_hide(GNT_WIDGET(menu));
}
static void
show_submenu(GntMenu *menu)
{
GntMenuItem *item;
if (menu->type != GNT_MENU_TOPLEVEL)
return;
item = g_list_nth_data(menu->list, menu->selected);
if (!item || !gnt_menuitem_get_submenu(item)) {
return;
}
menuitem_activate(menu, item);
}
static void
gnt_menu_draw(GntWidget *widget)
{
GntMenu *menu = GNT_MENU(widget);
GList *iter;
chtype type;
guint i;
if (menu->type == GNT_MENU_TOPLEVEL) {
WINDOW *window = gnt_widget_get_window(widget);
gint x, y;
gnt_widget_get_position(widget, &x, &y);
wbkgdset(window, '\0' | gnt_color_pair(GNT_COLOR_HIGHLIGHT));
werase(window);
for (i = 0, iter = menu->list; iter; iter = iter->next, i++) {
GntMenuItem *item = GNT_MENU_ITEM(iter->data);
if (!gnt_menuitem_is_visible(item))
continue;
type = ' ';
if (gnt_menuitem_has_callback(item) ||
gnt_menuitem_get_submenu(item)) {
type |= gnt_color_pair(GNT_COLOR_HIGHLIGHT);
} else {
type |= gnt_color_pair(GNT_COLOR_DISABLED);
}
if (i == menu->selected)
type |= A_REVERSE;
gnt_menuitem_set_position(item, getcurx(window) + x,
getcury(window) + y + 1);
wbkgdset(window, type);
wprintw(window, " %s ",
C_(gnt_menuitem_get_text(item)));
}
} else {
org_draw(widget);
}
}
static void
gnt_menu_size_request(GntWidget *widget)
{
GntMenu *menu = GNT_MENU(widget);
if (menu->type == GNT_MENU_TOPLEVEL) {
gnt_widget_set_internal_size(widget, getmaxx(stdscr), 1);
} else {
gint width;
org_size_request(widget);
gnt_widget_get_internal_size(widget, &width, NULL);
gnt_widget_set_internal_size(widget, width,
g_list_length(menu->list) + 2);
}
}
static void
menu_tree_add(GntMenu *menu, GntMenuItem *item, GntMenuItem *parent)
{
char trigger[] = "\0 )\0";
g_return_if_fail(item != NULL);
if ((trigger[1] = gnt_menuitem_get_trigger(item)) && trigger[1] != ' ')
trigger[0] = '(';
if (GNT_IS_MENU_ITEM_CHECK(item)) {
gnt_tree_add_choice(
GNT_TREE(menu), item,
gnt_tree_create_row(GNT_TREE(menu),
gnt_menuitem_get_text(item),
trigger, " "),
parent, NULL);
gnt_tree_set_choice(GNT_TREE(menu), item, gnt_menuitem_check_get_checked(GNT_MENU_ITEM_CHECK(item)));
} else {
gnt_tree_add_row_last(
GNT_TREE(menu), item,
gnt_tree_create_row(
GNT_TREE(menu), gnt_menuitem_get_text(item),
trigger,
gnt_menuitem_get_submenu(item) ? ">" : " "),
parent);
if (!gnt_menuitem_has_callback(item) &&
!gnt_menuitem_get_submenu(item)) {
gnt_tree_set_row_color(GNT_TREE(menu), item, GNT_COLOR_DISABLED);
}
}
if (0 && gnt_menuitem_get_submenu(item)) {
GntMenu *sub = GNT_MENU(gnt_menuitem_get_submenu(item));
GList *iter;
for (iter = sub->list; iter; iter = iter->next) {
GntMenuItem *it = GNT_MENU_ITEM(iter->data);
menu_tree_add(menu, it, item);
}
}
}
#define GET_VAL(ch) ((ch >= '0' && ch <= '9') ? (ch - '0') : (ch >= 'a' && ch <= 'z') ? (10 + ch - 'a') : 36)
static void
assign_triggers(GntMenu *menu)
{
GList *iter;
gboolean bools[37];
memset(bools, 0, sizeof(bools));
bools[36] = 1;
for (iter = menu->list; iter; iter = iter->next) {
GntMenuItem *item = iter->data;
char trigger = tolower(gnt_menuitem_get_trigger(item));
if (trigger == '\0' || trigger == ' ')
continue;
bools[(int)GET_VAL(trigger)] = 1;
}
for (iter = menu->list; iter; iter = iter->next) {
GntMenuItem *item = iter->data;
char trigger = gnt_menuitem_get_trigger(item);
const gchar *text = gnt_menuitem_get_text(item);
if (trigger != '\0')
continue;
while (*text) {
char ch = tolower(*text++);
char t[2] = {ch, '\0'};
if (ch == ' ' || bools[(int)GET_VAL(ch)] || gnt_bindable_check_key(GNT_BINDABLE(menu), t))
continue;
trigger = ch;
break;
}
if (trigger == 0)
trigger = gnt_menuitem_get_text(item)[0];
gnt_menuitem_set_trigger(item, trigger);
bools[(int)GET_VAL(trigger)] = 1;
}
}
static void
gnt_menu_map(GntWidget *widget)
{
GntMenu *menu = GNT_MENU(widget);
if (menu->type == GNT_MENU_TOPLEVEL) {
gnt_widget_size_request(widget);
} else {
/* Populate the tree */
GList *iter;
gnt_tree_remove_all(GNT_TREE(widget));
/* Try to assign some trigger for the items */
assign_triggers(menu);
for (iter = menu->list; iter; iter = iter->next) {
GntMenuItem *item = GNT_MENU_ITEM(iter->data);
menu_tree_add(menu, item, NULL);
}
org_map(widget);
gnt_tree_adjust_columns(GNT_TREE(widget));
}
}
static void
menuitem_activate(GntMenu *menu, GntMenuItem *item)
{
if (!item)
return;
if (gnt_menuitem_activate(item)) {
menu_hide_all(menu);
} else {
GntMenu *sub = GNT_MENU(gnt_menuitem_get_submenu(item));
if (sub) {
gint x, y;
menu->submenu = sub;
sub->type = GNT_MENU_POPUP; /* Submenus are *never* toplevel */
sub->parentmenu = menu;
if (menu->type != GNT_MENU_TOPLEVEL) {
GntWidget *widget = GNT_WIDGET(menu);
gint width;
gnt_widget_get_position(widget, &x, &y);
gnt_widget_get_internal_size(widget, &width,
NULL);
gnt_menuitem_set_position(
item, x + width - 1,
y + gnt_tree_get_selection_visible_line(
GNT_TREE(menu)));
}
gnt_menuitem_get_position(item, &x, &y);
gnt_widget_set_position(GNT_WIDGET(sub), x, y);
gnt_widget_set_visible(GNT_WIDGET(sub), TRUE);
gnt_widget_draw(GNT_WIDGET(sub));
} else {
menu_hide_all(menu);
}
}
}
static GList*
find_item_with_trigger(GList *start, GList *end, char trigger)
{
GList *iter;
for (iter = start; iter != (end ? end : NULL); iter = iter->next) {
if (gnt_menuitem_get_trigger(iter->data) == trigger)
return iter;
}
return NULL;
}
static gboolean
check_for_trigger(GntMenu *menu, char trigger)
{
/* check for a trigger key */
GList *iter;
GList *find;
GList *nth = g_list_find(menu->list, gnt_tree_get_selection_data(GNT_TREE(menu)));
if (nth == NULL)
return FALSE;
find = find_item_with_trigger(nth->next, NULL, trigger);
if (!find)
find = find_item_with_trigger(menu->list, nth->next, trigger);
if (!find)
return FALSE;
if (find != nth) {
gnt_tree_set_selected(GNT_TREE(menu), find->data);
iter = find_item_with_trigger(find->next, NULL, trigger);
if (iter != NULL && iter != find)
return TRUE;
iter = find_item_with_trigger(menu->list, nth, trigger);
if (iter != NULL && iter != find)
return TRUE;
}
gnt_widget_activate(GNT_WIDGET(menu));
return TRUE;
}
static gboolean
gnt_menu_key_pressed(GntWidget *widget, const char *text)
{
GntMenu *menu = GNT_MENU(widget);
guint current = menu->selected;
if (menu->submenu) {
GntMenu *sub = menu;
do sub = sub->submenu; while (sub->submenu);
if (gnt_widget_key_pressed(GNT_WIDGET(sub), text))
return TRUE;
if (menu->type != GNT_MENU_TOPLEVEL)
return FALSE;
}
if ((text[0] == 27 && text[1] == 0) ||
(menu->type != GNT_MENU_TOPLEVEL && strcmp(text, GNT_KEY_LEFT) == 0)) {
/* Escape closes menu */
GntMenu *par = menu->parentmenu;
if (par != NULL) {
par->submenu = NULL;
gnt_widget_hide(widget);
} else
gnt_widget_hide(widget);
if (par && par->type == GNT_MENU_TOPLEVEL)
gnt_menu_key_pressed(GNT_WIDGET(par), text);
return TRUE;
}
if (menu->type == GNT_MENU_TOPLEVEL) {
GntMenuItem *item;
GList *it;
if (strcmp(text, GNT_KEY_LEFT) == 0) {
do {
if (menu->selected == 0)
menu->selected = g_list_length(menu->list) - 1;
else
menu->selected--;
it = g_list_nth(menu->list, menu->selected);
item = it ? it->data : NULL;
} while (!gnt_menuitem_is_visible(item));
} else if (strcmp(text, GNT_KEY_RIGHT) == 0) {
do {
menu->selected++;
if (menu->selected >= g_list_length(menu->list))
menu->selected = 0;
it = g_list_nth(menu->list, menu->selected);
item = it ? it->data : NULL;
} while (!gnt_menuitem_is_visible(item));
} else if (strcmp(text, GNT_KEY_ENTER) == 0 ||
strcmp(text, GNT_KEY_DOWN) == 0) {
gnt_widget_activate(widget);
}
if (current != menu->selected) {
GntMenu *sub = menu->submenu;
if (sub)
gnt_widget_hide(GNT_WIDGET(sub));
show_submenu(menu);
gnt_widget_draw(widget);
return TRUE;
}
} else {
if (text[1] == '\0') {
if (check_for_trigger(menu, text[0]))
return TRUE;
} else if (strcmp(text, GNT_KEY_RIGHT) == 0) {
GntMenuItem *item = gnt_tree_get_selection_data(GNT_TREE(menu));
if (item && gnt_menuitem_get_submenu(item)) {
menuitem_activate(menu, item);
return TRUE;
}
}
if (gnt_bindable_perform_action_key(GNT_BINDABLE(widget), text))
return TRUE;
return org_key_pressed(widget, text);
}
return gnt_bindable_perform_action_key(GNT_BINDABLE(widget), text);
}
static void
gnt_menu_destroy(GntWidget *widget)
{
GntMenu *menu = GNT_MENU(widget);
g_list_free_full(menu->list, g_object_unref);
org_destroy(widget);
}
static void
gnt_menu_toggled(GntTree *tree, gpointer key)
{
GntMenuItem *item = GNT_MENU_ITEM(key);
GntMenu *menu = GNT_MENU(tree);
gboolean check = gnt_menuitem_check_get_checked(GNT_MENU_ITEM_CHECK(item));
gnt_menuitem_check_set_checked(GNT_MENU_ITEM_CHECK(item), !check);
gnt_menuitem_activate(item);
while (menu) {
gnt_widget_hide(GNT_WIDGET(menu));
menu = menu->parentmenu;
}
}
static void
gnt_menu_activate(GntWidget *widget)
{
GntMenu *menu = GNT_MENU(widget);
GntMenuItem *item;
if (menu->type == GNT_MENU_TOPLEVEL) {
item = g_list_nth_data(menu->list, menu->selected);
} else {
item = gnt_tree_get_selection_data(GNT_TREE(menu));
}
if (item) {
if (GNT_IS_MENU_ITEM_CHECK(item))
gnt_menu_toggled(GNT_TREE(widget), item);
else
menuitem_activate(menu, item);
}
}
static void
gnt_menu_hide(GntWidget *widget)
{
GntMenu *sub, *menu = GNT_MENU(widget);
while ((sub = menu->submenu))
gnt_widget_hide(GNT_WIDGET(sub));
if (menu->parentmenu)
menu->parentmenu->submenu = NULL;
}
static gboolean
gnt_menu_clicked(GntWidget *widget, GntMouseEvent event, int x, int y)
{
if (GNT_MENU(widget)->type != GNT_MENU_POPUP)
return FALSE;
if (org_clicked && org_clicked(widget, event, x, y))
return TRUE;
gnt_widget_activate(widget);
return TRUE;
}
static void
gnt_menu_class_init(GntMenuClass *klass)
{
GntWidgetClass *widget_class = GNT_WIDGET_CLASS(klass);
GntTreeClass *tree_class = GNT_TREE_CLASS(klass);
org_destroy = widget_class->destroy;
org_map = widget_class->map;
org_draw = widget_class->draw;
org_key_pressed = widget_class->key_pressed;
org_size_request = widget_class->size_request;
org_clicked = widget_class->clicked;
widget_class->destroy = gnt_menu_destroy;
widget_class->draw = gnt_menu_draw;
widget_class->map = gnt_menu_map;
widget_class->size_request = gnt_menu_size_request;
widget_class->key_pressed = gnt_menu_key_pressed;
widget_class->activate = gnt_menu_activate;
widget_class->hide = gnt_menu_hide;
widget_class->clicked = gnt_menu_clicked;
tree_class->toggled = gnt_menu_toggled;
}
static void
gnt_menu_init(GntMenu *menu)
{
GntWidget *widget = GNT_WIDGET(menu);
gnt_widget_set_has_shadow(widget, FALSE);
gnt_widget_set_has_border(widget, FALSE);
gnt_widget_set_take_focus(widget, TRUE);
gnt_widget_set_transient(widget, TRUE);
gnt_widget_set_disable_actions(widget, TRUE);
}
/******************************************************************************
* GntMenu API
*****************************************************************************/
GntWidget *gnt_menu_new(GntMenuType type)
{
GntWidget *widget = g_object_new(GNT_TYPE_MENU, NULL);
GntMenu *menu = GNT_MENU(widget);
menu->list = NULL;
menu->selected = 0;
menu->type = type;
if (type == GNT_MENU_TOPLEVEL) {
gnt_widget_set_position(widget, 0, 0);
} else {
gnt_tree_set_show_separator(GNT_TREE(widget), FALSE);
g_object_set(G_OBJECT(widget), "columns", NUM_COLUMNS, NULL);
gnt_tree_set_col_width(GNT_TREE(widget), ITEM_TRIGGER, 3);
gnt_tree_set_column_resizable(GNT_TREE(widget), ITEM_TRIGGER, FALSE);
gnt_tree_set_col_width(GNT_TREE(widget), ITEM_SUBMENU, 1);
gnt_tree_set_column_resizable(GNT_TREE(widget), ITEM_SUBMENU, FALSE);
gnt_widget_set_has_border(widget, TRUE);
}
return widget;
}
void gnt_menu_add_item(GntMenu *menu, GntMenuItem *item)
{
menu->list = g_list_append(menu->list, item);
}
GntMenuItem *gnt_menu_get_item(GntMenu *menu, const char *id)
{
GntMenuItem *item = NULL;
GList *iter = menu->list;
if (!id || !*id)
return NULL;
for (; iter; iter = iter->next) {
GntMenu *sub;
item = iter->data;
sub = gnt_menuitem_get_submenu(item);
if (sub) {
item = gnt_menu_get_item(sub, id);
if (item)
break;
} else {
const char *itid = gnt_menuitem_get_id(item);
if (itid && strcmp(itid, id) == 0)
break;
/* XXX: Perhaps look at the menu-label as well? */
}
item = NULL;
}
return item;
}
/* Internal. */
GntMenuType
gnt_menu_get_menutype(GntMenu *menu)
{
g_return_val_if_fail(GNT_IS_MENU(menu), 0);
return menu->type;
}
/* Internal. */
GntMenuItem *
gnt_menu_get_selected_item(GntMenu *menu)
{
g_return_val_if_fail(GNT_IS_MENU(menu), NULL);
return g_list_nth_data(menu->list, menu->selected);
}
/* Internal. */
GntMenu *
gnt_menu_get_parent_menu(GntMenu *menu)
{
g_return_val_if_fail(GNT_IS_MENU(menu), NULL);
return menu->parentmenu;
}
/* Internal. */
GntMenu *
gnt_menu_get_submenu(GntMenu *menu)
{
g_return_val_if_fail(GNT_IS_MENU(menu), NULL);
return menu->submenu;
}