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- #include <config.h>
- #include <stdlib.h>
- #include "lib/global.h"
- #include "lib/tty/tty.h"
- #include "lib/widget.h"
- const global_keymap_t *radio_map = NULL;
- static cb_ret_t
- radio_execute_cmd (WRadio *r, long command)
- {
- cb_ret_t ret = MSG_HANDLED;
- Widget *w = WIDGET (r);
- switch (command)
- {
- case CK_Up:
- case CK_Top:
- if (r->pos == 0)
- return MSG_NOT_HANDLED;
- if (command == CK_Top)
- r->pos = 0;
- else
- r->pos--;
- widget_draw (w);
- return MSG_HANDLED;
- case CK_Down:
- case CK_Bottom:
- if (r->pos == r->count - 1)
- return MSG_NOT_HANDLED;
- if (command == CK_Bottom)
- r->pos = r->count - 1;
- else
- r->pos++;
- widget_draw (w);
- return MSG_HANDLED;
- case CK_Select:
- r->sel = r->pos;
- widget_set_state (w, WST_FOCUSED, TRUE);
- send_message (w->owner, w, MSG_NOTIFY, 0, NULL);
- return MSG_HANDLED;
- default:
- ret = MSG_NOT_HANDLED;
- break;
- }
- return ret;
- }
- static cb_ret_t
- radio_key (WRadio *r, int key)
- {
- long command;
- command = widget_lookup_key (WIDGET (r), key);
- if (command == CK_IgnoreKey)
- return MSG_NOT_HANDLED;
- return radio_execute_cmd (r, command);
- }
- static cb_ret_t
- radio_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
- {
- WRadio *r = RADIO (w);
- int i;
- switch (msg)
- {
- case MSG_HOTKEY:
- for (i = 0; i < r->count; i++)
- {
- if (r->texts[i].hotkey != NULL)
- {
- int c;
- c = g_ascii_tolower ((gchar) r->texts[i].hotkey[0]);
- if (c != parm)
- continue;
- r->pos = i;
-
- send_message (w, sender, MSG_ACTION, CK_Select, data);
- return MSG_HANDLED;
- }
- }
- return MSG_NOT_HANDLED;
- case MSG_KEY:
- return radio_key (r, parm);
- case MSG_ACTION:
- return radio_execute_cmd (r, parm);
- case MSG_CURSOR:
- widget_gotoyx (r, r->pos, 1);
- return MSG_HANDLED;
- case MSG_DRAW:
- {
- gboolean focused;
- focused = widget_get_state (w, WST_FOCUSED);
- for (i = 0; i < r->count; i++)
- {
- widget_selectcolor (w, i == r->pos && focused, FALSE);
- widget_gotoyx (w, i, 0);
- tty_draw_hline (w->rect.y + i, w->rect.x, ' ', w->rect.cols);
- tty_print_string ((r->sel == i) ? "(*) " : "( ) ");
- hotkey_draw (w, r->texts[i], i == r->pos && focused);
- }
- return MSG_HANDLED;
- }
- case MSG_DESTROY:
- for (i = 0; i < r->count; i++)
- hotkey_free (r->texts[i]);
- g_free (r->texts);
- return MSG_HANDLED;
- default:
- return widget_default_callback (w, sender, msg, parm, data);
- }
- }
- static void
- radio_mouse_callback (Widget *w, mouse_msg_t msg, mouse_event_t *event)
- {
- switch (msg)
- {
- case MSG_MOUSE_DOWN:
- RADIO (w)->pos = event->y;
- widget_select (w);
- break;
- case MSG_MOUSE_CLICK:
- RADIO (w)->pos = event->y;
- send_message (w, NULL, MSG_ACTION, CK_Select, NULL);
- send_message (w->owner, w, MSG_POST_KEY, ' ', NULL);
- break;
- default:
- break;
- }
- }
- WRadio *
- radio_new (int y, int x, int count, const char **texts)
- {
- WRect r0 = { y, x, count, 1 };
- WRadio *r;
- Widget *w;
- int i, wmax = 0;
- r = g_new (WRadio, 1);
- w = WIDGET (r);
-
- r->texts = g_new (hotkey_t, count);
- for (i = 0; i < count; i++)
- {
- int width;
- r->texts[i] = hotkey_new (texts[i]);
- width = hotkey_width (r->texts[i]);
- wmax = MAX (width, wmax);
- }
-
- r0.cols = 4 + wmax;
- widget_init (w, &r0, radio_callback, radio_mouse_callback);
- w->options |= WOP_SELECTABLE | WOP_WANT_CURSOR | WOP_WANT_HOTKEY;
- w->keymap = radio_map;
- r->pos = 0;
- r->sel = 0;
- r->count = count;
- return r;
- }
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