2011-10-13 18:52:46 +07:00
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#include "../util.h"
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2011-10-19 00:50:51 +07:00
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#include "../cache.h"
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2011-10-13 18:52:46 +07:00
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#include "../../perf.h"
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2010-08-12 00:51:47 +07:00
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#include "libslang.h"
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2011-10-13 18:52:46 +07:00
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#include <newt.h>
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2011-02-09 20:38:43 +07:00
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#include "ui.h"
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2010-08-12 00:51:47 +07:00
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#include <linux/compiler.h>
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2010-08-07 03:35:02 +07:00
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <stdlib.h>
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#include <sys/ttydefaults.h>
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#include "browser.h"
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2010-08-11 01:44:20 +07:00
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#include "helpline.h"
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2010-08-07 03:35:02 +07:00
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#include "../color.h"
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2011-10-13 18:52:46 +07:00
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int newtGetKey(void);
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2010-08-07 03:35:02 +07:00
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2011-10-18 23:31:35 +07:00
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static int ui_browser__percent_color(struct ui_browser *browser,
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double percent, bool current)
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2010-08-07 03:35:02 +07:00
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{
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2011-10-18 23:31:35 +07:00
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if (current && (!browser->use_navkeypressed || browser->navkeypressed))
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2010-08-07 03:35:02 +07:00
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return HE_COLORSET_SELECTED;
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if (percent >= MIN_RED)
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return HE_COLORSET_TOP;
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if (percent >= MIN_GREEN)
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return HE_COLORSET_MEDIUM;
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return HE_COLORSET_NORMAL;
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}
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2010-08-12 00:51:47 +07:00
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void ui_browser__set_color(struct ui_browser *self __used, int color)
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{
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SLsmg_set_color(color);
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}
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void ui_browser__set_percent_color(struct ui_browser *self,
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double percent, bool current)
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{
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2011-10-18 23:31:35 +07:00
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int color = ui_browser__percent_color(self, percent, current);
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2010-08-12 00:51:47 +07:00
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ui_browser__set_color(self, color);
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}
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void ui_browser__gotorc(struct ui_browser *self, int y, int x)
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{
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SLsmg_gotorc(self->y + y, self->x + x);
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}
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2011-10-14 22:27:54 +07:00
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static struct list_head *
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ui_browser__list_head_filter_entries(struct ui_browser *browser,
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struct list_head *pos)
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{
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do {
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if (!browser->filter || !browser->filter(browser, pos))
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return pos;
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pos = pos->next;
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} while (pos != browser->entries);
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return NULL;
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}
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static struct list_head *
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ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
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struct list_head *pos)
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{
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do {
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if (!browser->filter || !browser->filter(browser, pos))
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return pos;
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pos = pos->prev;
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} while (pos != browser->entries);
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return NULL;
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}
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2010-08-07 03:35:02 +07:00
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void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence)
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{
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struct list_head *head = self->entries;
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struct list_head *pos;
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2011-10-14 22:27:54 +07:00
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if (self->nr_entries == 0)
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return;
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2010-08-07 03:35:02 +07:00
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switch (whence) {
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case SEEK_SET:
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2011-10-14 22:27:54 +07:00
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pos = ui_browser__list_head_filter_entries(self, head->next);
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2010-08-07 03:35:02 +07:00
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break;
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case SEEK_CUR:
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2010-08-07 23:56:04 +07:00
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pos = self->top;
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2010-08-07 03:35:02 +07:00
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break;
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case SEEK_END:
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2011-10-14 22:27:54 +07:00
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pos = ui_browser__list_head_filter_prev_entries(self, head->prev);
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2010-08-07 03:35:02 +07:00
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break;
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default:
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return;
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}
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2011-10-14 22:27:54 +07:00
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assert(pos != NULL);
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2010-08-07 03:35:02 +07:00
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if (offset > 0) {
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while (offset-- != 0)
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2011-10-14 22:27:54 +07:00
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pos = ui_browser__list_head_filter_entries(self, pos->next);
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2010-08-07 03:35:02 +07:00
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} else {
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while (offset++ != 0)
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2011-10-14 22:27:54 +07:00
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pos = ui_browser__list_head_filter_prev_entries(self, pos->prev);
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2010-08-07 03:35:02 +07:00
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}
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2010-08-07 23:56:04 +07:00
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self->top = pos;
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2010-08-07 03:35:02 +07:00
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}
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void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence)
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{
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struct rb_root *root = self->entries;
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struct rb_node *nd;
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switch (whence) {
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case SEEK_SET:
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nd = rb_first(root);
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break;
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case SEEK_CUR:
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2010-08-07 23:56:04 +07:00
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nd = self->top;
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2010-08-07 03:35:02 +07:00
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break;
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case SEEK_END:
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nd = rb_last(root);
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break;
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default:
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return;
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}
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if (offset > 0) {
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while (offset-- != 0)
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nd = rb_next(nd);
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} else {
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while (offset++ != 0)
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nd = rb_prev(nd);
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}
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2010-08-07 23:56:04 +07:00
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self->top = nd;
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2010-08-07 03:35:02 +07:00
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}
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unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self)
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{
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struct rb_node *nd;
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int row = 0;
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2010-08-07 23:56:04 +07:00
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if (self->top == NULL)
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self->top = rb_first(self->entries);
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2010-08-07 03:35:02 +07:00
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2010-08-07 23:56:04 +07:00
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nd = self->top;
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2010-08-07 03:35:02 +07:00
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while (nd != NULL) {
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2010-08-12 00:51:47 +07:00
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ui_browser__gotorc(self, row, 0);
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2010-08-07 03:35:02 +07:00
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self->write(self, nd, row);
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if (++row == self->height)
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break;
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nd = rb_next(nd);
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}
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return row;
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}
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bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row)
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{
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2010-08-07 23:56:04 +07:00
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return self->top_idx + row == self->index;
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2010-08-07 03:35:02 +07:00
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}
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void ui_browser__refresh_dimensions(struct ui_browser *self)
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{
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2011-10-13 18:52:46 +07:00
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self->width = SLtt_Screen_Cols - 1;
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self->height = SLtt_Screen_Rows - 2;
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2010-09-13 20:25:04 +07:00
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self->y = 1;
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self->x = 0;
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2010-08-07 03:35:02 +07:00
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}
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void ui_browser__reset_index(struct ui_browser *self)
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{
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2010-08-07 23:56:04 +07:00
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self->index = self->top_idx = 0;
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2010-08-07 03:35:02 +07:00
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self->seek(self, 0, SEEK_SET);
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}
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2011-02-25 21:33:31 +07:00
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void __ui_browser__show_title(struct ui_browser *browser, const char *title)
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{
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SLsmg_gotorc(0, 0);
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ui_browser__set_color(browser, NEWT_COLORSET_ROOT);
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2011-10-13 18:52:46 +07:00
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slsmg_write_nstring(title, browser->width + 1);
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2011-02-25 21:33:31 +07:00
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}
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void ui_browser__show_title(struct ui_browser *browser, const char *title)
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{
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pthread_mutex_lock(&ui__lock);
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__ui_browser__show_title(browser, title);
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pthread_mutex_unlock(&ui__lock);
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}
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2010-08-11 01:44:20 +07:00
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int ui_browser__show(struct ui_browser *self, const char *title,
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const char *helpline, ...)
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2010-08-07 03:35:02 +07:00
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{
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2011-10-13 18:52:46 +07:00
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int err;
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2010-08-11 01:44:20 +07:00
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va_list ap;
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2010-08-07 03:35:02 +07:00
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ui_browser__refresh_dimensions(self);
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2011-02-09 20:38:43 +07:00
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pthread_mutex_lock(&ui__lock);
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2011-02-25 21:33:31 +07:00
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__ui_browser__show_title(self, title);
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2010-09-13 20:25:04 +07:00
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2011-10-13 18:52:46 +07:00
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self->title = title;
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free(self->helpline);
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self->helpline = NULL;
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2010-08-11 01:44:20 +07:00
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va_start(ap, helpline);
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2011-10-13 18:52:46 +07:00
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err = vasprintf(&self->helpline, helpline, ap);
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2010-08-11 01:44:20 +07:00
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va_end(ap);
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2011-10-13 18:52:46 +07:00
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if (err > 0)
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ui_helpline__push(self->helpline);
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2011-02-09 20:38:43 +07:00
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pthread_mutex_unlock(&ui__lock);
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2011-10-13 18:52:46 +07:00
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return err ? 0 : -1;
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2010-08-07 03:35:02 +07:00
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}
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2011-10-13 18:52:46 +07:00
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void ui_browser__hide(struct ui_browser *browser __used)
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2010-08-11 01:44:20 +07:00
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{
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2011-02-09 20:38:43 +07:00
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pthread_mutex_lock(&ui__lock);
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2010-08-11 01:44:20 +07:00
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ui_helpline__pop();
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2011-02-09 20:38:43 +07:00
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pthread_mutex_unlock(&ui__lock);
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2010-08-11 01:44:20 +07:00
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}
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2011-10-13 18:52:46 +07:00
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static void ui_browser__scrollbar_set(struct ui_browser *browser)
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{
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int height = browser->height, h = 0, pct = 0,
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col = browser->width,
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row = browser->y - 1;
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if (browser->nr_entries > 1) {
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pct = ((browser->index * (browser->height - 1)) /
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(browser->nr_entries - 1));
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}
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while (h < height) {
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ui_browser__gotorc(browser, row++, col);
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SLsmg_set_char_set(1);
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SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_BOARD_CHAR);
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SLsmg_set_char_set(0);
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++h;
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}
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}
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static int __ui_browser__refresh(struct ui_browser *browser)
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2010-08-07 03:35:02 +07:00
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{
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int row;
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2011-10-18 23:31:35 +07:00
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int width = browser->width;
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2010-08-07 03:35:02 +07:00
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2011-10-13 18:52:46 +07:00
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row = browser->refresh(browser);
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ui_browser__set_color(browser, HE_COLORSET_NORMAL);
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2011-10-18 23:31:35 +07:00
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if (!browser->use_navkeypressed || browser->navkeypressed)
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ui_browser__scrollbar_set(browser);
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else
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width += 1;
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2011-10-13 18:52:46 +07:00
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SLsmg_fill_region(browser->y + row, browser->x,
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2011-10-18 23:31:35 +07:00
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browser->height - row, width, ' ');
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2011-10-13 18:52:46 +07:00
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return 0;
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}
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int ui_browser__refresh(struct ui_browser *browser)
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{
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2011-02-09 20:38:43 +07:00
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pthread_mutex_lock(&ui__lock);
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2011-10-13 18:52:46 +07:00
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__ui_browser__refresh(browser);
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2011-02-09 20:38:43 +07:00
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pthread_mutex_unlock(&ui__lock);
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2010-08-07 03:35:02 +07:00
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return 0;
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}
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2011-10-12 02:15:39 +07:00
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/*
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* Here we're updating nr_entries _after_ we started browsing, i.e. we have to
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* forget about any reference to any entry in the underlying data structure,
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* that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
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* after an output_resort and hist decay.
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*/
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void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
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{
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off_t offset = nr_entries - browser->nr_entries;
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browser->nr_entries = nr_entries;
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if (offset < 0) {
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if (browser->top_idx < (u64)-offset)
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offset = -browser->top_idx;
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browser->index += offset;
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browser->top_idx += offset;
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}
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2011-10-14 19:31:53 +07:00
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browser->top = NULL;
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2011-10-12 02:15:39 +07:00
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browser->seek(browser, browser->top_idx, SEEK_SET);
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}
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2011-10-13 18:52:46 +07:00
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int ui_browser__run(struct ui_browser *self, int delay_secs)
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2010-08-07 03:35:02 +07:00
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{
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2011-10-13 18:52:46 +07:00
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int err, key;
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struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL;
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2010-08-11 20:07:43 +07:00
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2011-10-13 18:52:46 +07:00
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pthread__unblock_sigwinch();
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2010-08-07 03:35:02 +07:00
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while (1) {
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off_t offset;
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2011-10-13 18:52:46 +07:00
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fd_set read_set;
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2010-08-07 03:35:02 +07:00
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2011-10-13 18:52:46 +07:00
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pthread_mutex_lock(&ui__lock);
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err = __ui_browser__refresh(self);
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SLsmg_refresh();
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pthread_mutex_unlock(&ui__lock);
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if (err < 0)
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break;
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FD_ZERO(&read_set);
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FD_SET(0, &read_set);
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if (delay_secs) {
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timeout.tv_sec = delay_secs;
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timeout.tv_usec = 0;
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}
|
2010-08-07 03:35:02 +07:00
|
|
|
|
2011-10-13 18:52:46 +07:00
|
|
|
err = select(1, &read_set, NULL, NULL, ptimeout);
|
|
|
|
if (err > 0 && FD_ISSET(0, &read_set))
|
|
|
|
key = newtGetKey();
|
|
|
|
else if (err == 0)
|
2010-08-07 03:35:02 +07:00
|
|
|
break;
|
2011-10-13 18:52:46 +07:00
|
|
|
else {
|
|
|
|
pthread_mutex_lock(&ui__lock);
|
|
|
|
SLtt_get_screen_size();
|
|
|
|
SLsmg_reinit_smg();
|
|
|
|
pthread_mutex_unlock(&ui__lock);
|
|
|
|
ui_browser__refresh_dimensions(self);
|
|
|
|
__ui_browser__show_title(self, self->title);
|
|
|
|
ui_helpline__puts(self->helpline);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2011-10-18 23:31:35 +07:00
|
|
|
if (self->use_navkeypressed && !self->navkeypressed) {
|
|
|
|
if (key == NEWT_KEY_DOWN || key == NEWT_KEY_UP ||
|
|
|
|
key == NEWT_KEY_PGDN || key == NEWT_KEY_PGUP ||
|
|
|
|
key == NEWT_KEY_HOME || key == NEWT_KEY_END ||
|
|
|
|
key == ' ') {
|
|
|
|
self->navkeypressed = true;
|
|
|
|
continue;
|
|
|
|
} else
|
|
|
|
return key;
|
|
|
|
}
|
|
|
|
|
2011-10-13 18:52:46 +07:00
|
|
|
switch (key) {
|
2010-08-07 03:35:02 +07:00
|
|
|
case NEWT_KEY_DOWN:
|
|
|
|
if (self->index == self->nr_entries - 1)
|
|
|
|
break;
|
|
|
|
++self->index;
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->index == self->top_idx + self->height) {
|
|
|
|
++self->top_idx;
|
2010-08-07 03:35:02 +07:00
|
|
|
self->seek(self, +1, SEEK_CUR);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case NEWT_KEY_UP:
|
|
|
|
if (self->index == 0)
|
|
|
|
break;
|
|
|
|
--self->index;
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->index < self->top_idx) {
|
|
|
|
--self->top_idx;
|
2010-08-07 03:35:02 +07:00
|
|
|
self->seek(self, -1, SEEK_CUR);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case NEWT_KEY_PGDN:
|
|
|
|
case ' ':
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->top_idx + self->height > self->nr_entries - 1)
|
2010-08-07 03:35:02 +07:00
|
|
|
break;
|
|
|
|
|
|
|
|
offset = self->height;
|
|
|
|
if (self->index + offset > self->nr_entries - 1)
|
|
|
|
offset = self->nr_entries - 1 - self->index;
|
|
|
|
self->index += offset;
|
2010-08-07 23:56:04 +07:00
|
|
|
self->top_idx += offset;
|
2010-08-07 03:35:02 +07:00
|
|
|
self->seek(self, +offset, SEEK_CUR);
|
|
|
|
break;
|
|
|
|
case NEWT_KEY_PGUP:
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->top_idx == 0)
|
2010-08-07 03:35:02 +07:00
|
|
|
break;
|
|
|
|
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->top_idx < self->height)
|
|
|
|
offset = self->top_idx;
|
2010-08-07 03:35:02 +07:00
|
|
|
else
|
|
|
|
offset = self->height;
|
|
|
|
|
|
|
|
self->index -= offset;
|
2010-08-07 23:56:04 +07:00
|
|
|
self->top_idx -= offset;
|
2010-08-07 03:35:02 +07:00
|
|
|
self->seek(self, -offset, SEEK_CUR);
|
|
|
|
break;
|
|
|
|
case NEWT_KEY_HOME:
|
|
|
|
ui_browser__reset_index(self);
|
|
|
|
break;
|
|
|
|
case NEWT_KEY_END:
|
|
|
|
offset = self->height - 1;
|
|
|
|
if (offset >= self->nr_entries)
|
|
|
|
offset = self->nr_entries - 1;
|
|
|
|
|
|
|
|
self->index = self->nr_entries - 1;
|
2010-08-07 23:56:04 +07:00
|
|
|
self->top_idx = self->index - offset;
|
2010-08-07 03:35:02 +07:00
|
|
|
self->seek(self, -offset, SEEK_END);
|
|
|
|
break;
|
|
|
|
default:
|
2011-10-13 18:52:46 +07:00
|
|
|
return key;
|
2010-08-07 03:35:02 +07:00
|
|
|
}
|
|
|
|
}
|
2010-08-11 20:07:43 +07:00
|
|
|
return -1;
|
2010-08-07 03:35:02 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
unsigned int ui_browser__list_head_refresh(struct ui_browser *self)
|
|
|
|
{
|
|
|
|
struct list_head *pos;
|
|
|
|
struct list_head *head = self->entries;
|
|
|
|
int row = 0;
|
|
|
|
|
2010-08-07 23:56:04 +07:00
|
|
|
if (self->top == NULL || self->top == self->entries)
|
2011-10-14 22:27:54 +07:00
|
|
|
self->top = ui_browser__list_head_filter_entries(self, head->next);
|
2010-08-07 03:35:02 +07:00
|
|
|
|
2010-08-07 23:56:04 +07:00
|
|
|
pos = self->top;
|
2010-08-07 03:35:02 +07:00
|
|
|
|
|
|
|
list_for_each_from(pos, head) {
|
2011-10-14 22:27:54 +07:00
|
|
|
if (!self->filter || !self->filter(self, pos)) {
|
|
|
|
ui_browser__gotorc(self, row, 0);
|
|
|
|
self->write(self, pos, row);
|
|
|
|
if (++row == self->height)
|
|
|
|
break;
|
|
|
|
}
|
2010-08-07 03:35:02 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
return row;
|
|
|
|
}
|
|
|
|
|
2011-10-19 00:50:51 +07:00
|
|
|
static struct ui_browser__colorset {
|
|
|
|
const char *name, *fg, *bg;
|
|
|
|
int colorset;
|
|
|
|
} ui_browser__colorsets[] = {
|
|
|
|
{
|
|
|
|
.colorset = HE_COLORSET_TOP,
|
|
|
|
.name = "top",
|
|
|
|
.fg = "red",
|
|
|
|
.bg = "black",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.colorset = HE_COLORSET_MEDIUM,
|
|
|
|
.name = "medium",
|
|
|
|
.fg = "green",
|
|
|
|
.bg = "black",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.colorset = HE_COLORSET_NORMAL,
|
|
|
|
.name = "normal",
|
|
|
|
.fg = "brightgreen",
|
|
|
|
.bg = "black",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.colorset = HE_COLORSET_SELECTED,
|
|
|
|
.name = "selected",
|
|
|
|
.fg = "black",
|
|
|
|
.bg = "lightgray",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.colorset = HE_COLORSET_CODE,
|
|
|
|
.name = "code",
|
|
|
|
.fg = "blue",
|
|
|
|
.bg = "black",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
.name = NULL,
|
|
|
|
}
|
2010-08-07 03:35:02 +07:00
|
|
|
};
|
|
|
|
|
2011-10-19 00:50:51 +07:00
|
|
|
|
|
|
|
static int ui_browser__color_config(const char *var, const char *value,
|
|
|
|
void *data __used)
|
|
|
|
{
|
|
|
|
char *fg = NULL, *bg;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* same dir for all commands */
|
|
|
|
if (prefixcmp(var, "colors.") != 0)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
|
|
|
|
const char *name = var + 7;
|
|
|
|
|
|
|
|
if (strcmp(ui_browser__colorsets[i].name, name) != 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
fg = strdup(value);
|
|
|
|
if (fg == NULL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
bg = strchr(fg, ',');
|
|
|
|
if (bg == NULL)
|
|
|
|
break;
|
|
|
|
|
|
|
|
*bg = '\0';
|
|
|
|
while (isspace(*++bg));
|
|
|
|
ui_browser__colorsets[i].bg = bg;
|
|
|
|
ui_browser__colorsets[i].fg = fg;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(fg);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-08-07 03:35:02 +07:00
|
|
|
void ui_browser__init(void)
|
|
|
|
{
|
2011-10-19 00:50:51 +07:00
|
|
|
int i = 0;
|
2010-08-07 03:35:02 +07:00
|
|
|
|
2011-10-19 00:50:51 +07:00
|
|
|
perf_config(ui_browser__color_config, NULL);
|
|
|
|
|
|
|
|
while (ui_browser__colorsets[i].name) {
|
|
|
|
struct ui_browser__colorset *c = &ui_browser__colorsets[i++];
|
|
|
|
sltt_set_color(c->colorset, c->name, c->fg, c->bg);
|
|
|
|
}
|
2010-08-07 03:35:02 +07:00
|
|
|
}
|