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diff --git a/src/list_window.c b/src/list_window.c
index 967f56a7b53f8d31448d190b1b27f3762977a5ce..e69f6ac04ee3d17885434b062fd83f747ae7aff3 100644 (file)
--- a/src/list_window.c
+++ b/src/list_window.c
#include "command.h"
#include "colors.h"
+#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
extern void screen_bell(void);
-list_window_t *
+struct list_window *
list_window_init(WINDOW *w, unsigned width, unsigned height)
{
- list_window_t *lw;
+ struct list_window *lw;
lw = g_malloc0(sizeof(list_window_t));
lw->w = w;
lw->cols = width;
lw->rows = height;
- lw->clear = 1;
return lw;
}
-list_window_t *
-list_window_free(list_window_t *lw)
+void
+list_window_free(struct list_window *lw)
{
if (lw) {
memset(lw, 0, sizeof(list_window_t));
g_free(lw);
}
-
- return NULL;
}
void
-list_window_reset(list_window_t *lw)
+list_window_reset(struct list_window *lw)
{
lw->selected = 0;
lw->xoffset = 0;
lw->start = 0;
- lw->clear = 1;
}
void
-list_window_check_selected(list_window_t *lw, unsigned length)
+list_window_check_selected(struct list_window *lw, unsigned length)
{
if (lw->start + lw->rows > length) {
if (length > lw->rows)
}
void
-list_window_set_selected(list_window_t *lw, unsigned n)
+list_window_center(struct list_window *lw, unsigned rows, unsigned n)
{
- lw->selected = n;
+ if (n > lw->rows / 2)
+ lw->start = n - lw->rows / 2;
+ else
+ lw->start = 0;
+
+ if (lw->start + lw->rows > rows) {
+ if (lw->rows < rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ }
+
+ lw->repaint = 1;
}
void
-list_window_next(list_window_t *lw, unsigned length)
+list_window_set_selected(struct list_window *lw, unsigned n)
+{
+ lw->selected = n;
+}
+
+static void
+list_window_next(struct list_window *lw, unsigned length)
{
if (lw->selected + 1 < length)
lw->selected++;
lw->selected = 0;
}
-void
-list_window_previous(list_window_t *lw, unsigned length)
+static void
+list_window_previous(struct list_window *lw, unsigned length)
{
if (lw->selected > 0)
lw->selected--;
lw->selected = length - 1;
}
-void
-list_window_first(list_window_t *lw)
+static void
+list_window_first(struct list_window *lw)
{
lw->xoffset = 0;
lw->selected = 0;
}
-void
-list_window_last(list_window_t *lw, unsigned length)
+static void
+list_window_last(struct list_window *lw, unsigned length)
{
lw->xoffset = 0;
if (length > 0)
lw->selected = 0;
}
-void
-list_window_next_page(list_window_t *lw, unsigned length)
+static void
+list_window_next_page(struct list_window *lw, unsigned length)
{
if (lw->rows < 2)
return;
if (lw->selected + lw->rows < length)
lw->selected += lw->rows - 1;
else
- return list_window_last(lw, length);
+ list_window_last(lw, length);
}
-void
-list_window_previous_page(list_window_t *lw)
+static void
+list_window_previous_page(struct list_window *lw)
{
if (lw->rows < 2)
return;
void
-list_window_paint(list_window_t *lw,
+list_window_paint(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data)
{
int show_cursor = !(lw->flags & LW_HIDE_CURSOR);
if (show_cursor) {
- if (lw->selected < lw->start) {
+ if (lw->selected < lw->start)
lw->start = lw->selected;
- lw->clear=1;
- }
- if (lw->selected >= lw->start + lw->rows) {
+ if (lw->selected >= lw->start + lw->rows)
lw->start = lw->selected - lw->rows + 1;
- lw->clear=1;
- }
}
for (i = 0; i < lw->rows; i++) {
label = callback(lw->start + i, &highlight, callback_data);
wmove(lw->w, i, 0);
- if( lw->clear && (!fill || !label) )
- wclrtoeol(lw->w);
if (label) {
int selected = lw->start + i == lw->selected;
size_t len = my_strlen(label);
- if( highlight )
+ if (highlight)
colors_use(lw->w, COLOR_LIST_BOLD);
else
colors_use(lw->w, COLOR_LIST);
- if( show_cursor && selected )
+ if (show_cursor && selected)
wattron(lw->w, A_REVERSE);
//waddnstr(lw->w, label, lw->cols);
waddstr(lw->w, label);
- if( fill && len<lw->cols )
+ if (fill && len < lw->cols)
whline(lw->w, ' ', lw->cols-len);
- if( selected )
+ if (selected)
wattroff(lw->w, A_REVERSE);
- }
- }
- lw->clear=0;
+ if (!fill && len < lw->cols)
+ wclrtoeol(lw->w);
+ } else
+ wclrtoeol(lw->w);
+ }
}
int
-list_window_find(list_window_t *lw,
+list_window_find(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data,
const char *str,
}
int
-list_window_rfind(list_window_t *lw,
+list_window_rfind(struct list_window *lw,
list_window_callback_fn_t callback,
void *callback_data,
const char *str,
/* perform basic list window commands (movement) */
int
-list_window_cmd(list_window_t *lw, unsigned rows, command_t cmd)
+list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd)
{
switch (cmd) {
case CMD_LIST_PREVIOUS:
list_window_previous(lw, rows);
- lw->repaint=1;
break;
case CMD_LIST_NEXT:
list_window_next(lw, rows);
- lw->repaint=1;
break;
case CMD_LIST_FIRST:
list_window_first(lw);
- lw->repaint = 1;
break;
case CMD_LIST_LAST:
list_window_last(lw, rows);
- lw->repaint = 1;
break;
case CMD_LIST_NEXT_PAGE:
list_window_next_page(lw, rows);
- lw->repaint = 1;
break;
case CMD_LIST_PREVIOUS_PAGE:
list_window_previous_page(lw);
- lw->repaint = 1;
break;
default:
return 0;
}
+ lw->repaint = 1;
return 1;
}
+int
+list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd)
+{
+ switch (cmd) {
+ case CMD_LIST_PREVIOUS:
+ if (lw->start > 0)
+ lw->start--;
+ break;
+
+ case CMD_LIST_NEXT:
+ if (lw->start + lw->rows < rows)
+ lw->start++;
+ break;
+
+ case CMD_LIST_FIRST:
+ lw->start = 0;
+ break;
+
+ case CMD_LIST_LAST:
+ if (rows > lw->rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ break;
+
+ case CMD_LIST_NEXT_PAGE:
+ lw->start += lw->rows - 1;
+ if (lw->start + lw->rows > rows) {
+ if (rows > lw->rows)
+ lw->start = rows - lw->rows;
+ else
+ lw->start = 0;
+ }
+ break;
+
+ case CMD_LIST_PREVIOUS_PAGE:
+ if (lw->start > lw->rows)
+ lw->start -= lw->rows;
+ else
+ lw->start = 0;
+ break;
+
+ default:
+ return 0;
+ }
+
+ lw->repaint = 1;
+ return 1;
+}
+
+#ifdef HAVE_GETMOUSE
+int
+list_window_mouse(struct list_window *lw, unsigned rows,
+ unsigned long bstate, int y)
+{
+ assert(lw != NULL);
+
+ /* if the even occured above the list window move up */
+ if (y < 0) {
+ if (bstate & BUTTON3_CLICKED)
+ list_window_first(lw);
+ else
+ list_window_previous_page(lw);
+ return 1;
+ }
+
+ /* if the even occured below the list window move down */
+ if ((unsigned)y >= rows) {
+ if (bstate & BUTTON3_CLICKED)
+ list_window_last(lw, rows);
+ else
+ list_window_next_page(lw, rows);
+ return 1;
+ }
+
+ return 0;
+}
+#endif
+
list_window_state_t *
list_window_init_state(void)
{
return g_malloc0(sizeof(list_window_state_t));
}
-list_window_state_t *
+void
list_window_free_state(list_window_state_t *state)
{
- if( state )
- {
- if( state->list )
- {
- GList *list = state->list;
- while( list )
- {
- g_free(list->data);
- list->data = NULL;
- list = list->next;
- }
- g_list_free(state->list);
- state->list = NULL;
+ if (state) {
+ if (state->list) {
+ GList *list = state->list;
+
+ while (list) {
+ g_free(list->data);
+ list->data = NULL;
+ list = list->next;
+ }
+
+ g_list_free(state->list);
+ state->list = NULL;
+ }
+
+ g_free(state);
}
- g_free(state);
- }
- return NULL;
}
-void
-list_window_push_state(list_window_state_t *state, list_window_t *lw)
+void
+list_window_push_state(list_window_state_t *state, struct list_window *lw)
{
- if( state )
- {
- list_window_t *tmp = g_malloc(sizeof(list_window_t));
- memcpy(tmp, lw, sizeof(list_window_t));
- state->list = g_list_prepend(state->list, (gpointer) tmp);
- list_window_reset(lw);
- }
+ if (state) {
+ struct list_window *tmp = g_malloc(sizeof(list_window_t));
+ memcpy(tmp, lw, sizeof(list_window_t));
+ state->list = g_list_prepend(state->list, (gpointer) tmp);
+ list_window_reset(lw);
+ }
}
bool
-list_window_pop_state(list_window_state_t *state, list_window_t *lw)
+list_window_pop_state(list_window_state_t *state, struct list_window *lw)
{
- if( state && state->list )
- {
- list_window_t *tmp = state->list->data;
-
- memcpy(lw, tmp, sizeof(list_window_t));
- g_free(tmp);
- state->list->data = NULL;
- state->list = g_list_delete_link(state->list, state->list);
- }
-
- // return TRUE if there are still states in the list
- return (state && state->list) ? TRUE : FALSE;
+ if (state && state->list) {
+ struct list_window *tmp = state->list->data;
+
+ memcpy(lw, tmp, sizeof(list_window_t));
+ g_free(tmp);
+ state->list->data = NULL;
+ state->list = g_list_delete_link(state->list, state->list);
+ }
+
+ // return TRUE if there are still states in the list
+ return (state && state->list) ? TRUE : FALSE;
}