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Diffstat (limited to 'lib/widget/check.c')
| -rw-r--r-- | lib/widget/check.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/lib/widget/check.c b/lib/widget/check.c new file mode 100644 index 0000000..ca54e3b --- /dev/null +++ b/lib/widget/check.c @@ -0,0 +1,178 @@ +/* + Widgets for the Midnight Commander + + Copyright (C) 1994-2022 + Free Software Foundation, Inc. + + Authors: + Radek Doulik, 1994, 1995 + Miguel de Icaza, 1994, 1995 + Jakub Jelinek, 1995 + Andrej Borsenkow, 1996 + Norbert Warmuth, 1997 + Andrew Borodin <aborodin@vmail.ru>, 2009-2022 + + This file is part of the Midnight Commander. + + The Midnight Commander 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 3 of the License, + or (at your option) any later version. + + The Midnight Commander 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/>. + */ + +/** \file check.c + * \brief Source: WCheck widget (checkbutton) + */ + +#include <config.h> + +#include <stdlib.h> + +#include "lib/global.h" + +#include "lib/tty/tty.h" +#include "lib/widget.h" + +/*** global variables ****************************************************************************/ + +/*** file scope macro definitions ****************************************************************/ + +/*** file scope type declarations ****************************************************************/ + +/*** file scope variables ************************************************************************/ + +/*** file scope functions ************************************************************************/ + +static cb_ret_t +check_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) +{ + WCheck *c = CHECK (w); + + switch (msg) + { + case MSG_HOTKEY: + if (c->text.hotkey != NULL) + { + if (g_ascii_tolower ((gchar) c->text.hotkey[0]) == parm) + { + /* make action */ + send_message (w, sender, MSG_KEY, ' ', data); + return MSG_HANDLED; + } + } + return MSG_NOT_HANDLED; + + case MSG_KEY: + if (parm != ' ') + return MSG_NOT_HANDLED; + c->state = !c->state; + widget_draw (w); + send_message (w->owner, w, MSG_NOTIFY, 0, NULL); + return MSG_HANDLED; + + case MSG_CURSOR: + widget_gotoyx (w, 0, 1); + return MSG_HANDLED; + + case MSG_DRAW: + { + gboolean focused; + + focused = widget_get_state (w, WST_FOCUSED); + widget_selectcolor (w, focused, FALSE); + widget_gotoyx (w, 0, 0); + tty_print_string (c->state ? "[x] " : "[ ] "); + hotkey_draw (w, c->text, focused); + return MSG_HANDLED; + } + + case MSG_DESTROY: + hotkey_free (c->text); + return MSG_HANDLED; + + default: + return widget_default_callback (w, sender, msg, parm, data); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +check_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event) +{ + (void) event; + + switch (msg) + { + case MSG_MOUSE_DOWN: + widget_select (w); + break; + + case MSG_MOUSE_CLICK: + send_message (w, NULL, MSG_KEY, ' ', NULL); + send_message (w->owner, w, MSG_POST_KEY, ' ', NULL); + break; + + default: + break; + } +} + +/* --------------------------------------------------------------------------------------------- */ +/*** public functions ****************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +WCheck * +check_new (int y, int x, gboolean state, const char *text) +{ + WRect r = { y, x, 1, 1 }; + WCheck *c; + Widget *w; + + c = g_new (WCheck, 1); + w = WIDGET (c); + c->text = hotkey_new (text); + /* 4 is width of "[X] " */ + r.cols = 4 + hotkey_width (c->text); + widget_init (w, &r, check_callback, check_mouse_callback); + w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR | WOP_WANT_HOTKEY; + c->state = state; + + return c; +} + +/* --------------------------------------------------------------------------------------------- */ + +void +check_set_text (WCheck * check, const char *text) +{ + Widget *w = WIDGET (check); + hotkey_t hk; + + hk = hotkey_new (text); + if (hotkey_equal (check->text, hk)) + { + hotkey_free (hk); + return; + } + + hotkey_free (check->text); + check->text = hk; + + if (check->text.start[0] == '\0' && check->text.hotkey == NULL && check->text.end == NULL) + w->rect.cols = 3; /* "[ ]" */ + else + w->rect.cols = 4 + hotkey_width (check->text); /* "[ ] text" */ + + widget_draw (w); +} + +/* --------------------------------------------------------------------------------------------- */ |