1e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "libslang.h" 2e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "ui.h" 3e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <linux/compiler.h> 4e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <linux/list.h> 5e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <linux/rbtree.h> 6e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <stdlib.h> 7e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <sys/ttydefaults.h> 8e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "browser.h" 9e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "helpline.h" 10e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "../color.h" 11e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include "../util.h" 12e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng#include <stdio.h> 13e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 14e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengstatic int ui_browser__percent_color(double percent, bool current) 15e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 16e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (current) 17e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return HE_COLORSET_SELECTED; 18e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (percent >= MIN_RED) 19e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return HE_COLORSET_TOP; 20e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (percent >= MIN_GREEN) 21e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return HE_COLORSET_MEDIUM; 22e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return HE_COLORSET_NORMAL; 23e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 24e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 25e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__set_color(struct ui_browser *self __used, int color) 26e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 27e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng SLsmg_set_color(color); 28e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 29e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 30e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__set_percent_color(struct ui_browser *self, 31e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng double percent, bool current) 32e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 33e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int color = ui_browser__percent_color(percent, current); 34e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__set_color(self, color); 35e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 36e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 37e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__gotorc(struct ui_browser *self, int y, int x) 38e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 39e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng SLsmg_gotorc(self->y + y, self->x + x); 40e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 41e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 42e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence) 43e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 44e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct list_head *head = self->entries; 45e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct list_head *pos; 46e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 47e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng switch (whence) { 48e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_SET: 49e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = head->next; 50e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 51e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_CUR: 52e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = self->top; 53e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 54e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_END: 55e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = head->prev; 56e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 57e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng default: 58e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return; 59e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 60e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 61e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (offset > 0) { 62e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (offset-- != 0) 63e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = pos->next; 64e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } else { 65e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (offset++ != 0) 66e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = pos->prev; 67e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 68e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 69e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top = pos; 70e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 71e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 72e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence) 73e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 74e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct rb_root *root = self->entries; 75e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct rb_node *nd; 76e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 77e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng switch (whence) { 78e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_SET: 79e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = rb_first(root); 80e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 81e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_CUR: 82e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = self->top; 83e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 84e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case SEEK_END: 85e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = rb_last(root); 86e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 87e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng default: 88e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return; 89e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 90e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 91e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (offset > 0) { 92e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (offset-- != 0) 93e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = rb_next(nd); 94e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } else { 95e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (offset++ != 0) 96e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = rb_prev(nd); 97e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 98e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 99e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top = nd; 100e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 101e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 102e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengunsigned int ui_browser__rb_tree_refresh(struct ui_browser *self) 103e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 104e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct rb_node *nd; 105e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int row = 0; 106e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 107e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->top == NULL) 108e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top = rb_first(self->entries); 109e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 110e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = self->top; 111e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 112e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (nd != NULL) { 113e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__gotorc(self, row, 0); 114e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->write(self, nd, row); 115e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (++row == self->height) 116e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 117e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng nd = rb_next(nd); 118e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 119e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 120e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return row; 121e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 122e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 123e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengbool ui_browser__is_current_entry(struct ui_browser *self, unsigned row) 124e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 125e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return self->top_idx + row == self->index; 126e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 127e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 128e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__refresh_dimensions(struct ui_browser *self) 129e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 130e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int cols, rows; 131e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtGetScreenSize(&cols, &rows); 132e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 133e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->width = cols - 1; 134e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->height = rows - 2; 135e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->y = 1; 136e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->x = 0; 137e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 138e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 139e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__reset_index(struct ui_browser *self) 140e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 141e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->index = self->top_idx = 0; 142e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, 0, SEEK_SET); 143e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 144e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 145e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__add_exit_key(struct ui_browser *self, int key) 146e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 147e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtFormAddHotKey(self->form, key); 148e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 149e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 150e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__add_exit_keys(struct ui_browser *self, int keys[]) 151e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 152e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int i = 0; 153e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 154e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (keys[i] && i < 64) { 155e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__add_exit_key(self, keys[i]); 156e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ++i; 157e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 158e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 159e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 160e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid __ui_browser__show_title(struct ui_browser *browser, const char *title) 161e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 162e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng SLsmg_gotorc(0, 0); 163e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__set_color(browser, NEWT_COLORSET_ROOT); 164e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng slsmg_write_nstring(title, browser->width); 165e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 166e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 167e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__show_title(struct ui_browser *browser, const char *title) 168e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 169e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_lock(&ui__lock); 170e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng __ui_browser__show_title(browser, title); 171e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_unlock(&ui__lock); 172e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 173e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 174e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengint ui_browser__show(struct ui_browser *self, const char *title, 175e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *helpline, ...) 176e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 177e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng va_list ap; 178e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int keys[] = { NEWT_KEY_UP, NEWT_KEY_DOWN, NEWT_KEY_PGUP, 179e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng NEWT_KEY_PGDN, NEWT_KEY_HOME, NEWT_KEY_END, ' ', 180e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng NEWT_KEY_LEFT, NEWT_KEY_ESCAPE, 'q', CTRL('c'), 0 }; 181e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 182e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->form != NULL) 183e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtFormDestroy(self->form); 184e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 185e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__refresh_dimensions(self); 186e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->form = newtForm(NULL, NULL, 0); 187e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->form == NULL) 188e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return -1; 189e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 190e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->sb = newtVerticalScrollbar(self->width, 1, self->height, 191e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng HE_COLORSET_NORMAL, 192e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng HE_COLORSET_SELECTED); 193e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->sb == NULL) 194e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return -1; 195e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 196e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_lock(&ui__lock); 197e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng __ui_browser__show_title(self, title); 198e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 199e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__add_exit_keys(self, keys); 200e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtFormAddComponent(self->form, self->sb); 201e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 202e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng va_start(ap, helpline); 203e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_helpline__vpush(helpline, ap); 204e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng va_end(ap); 205e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_unlock(&ui__lock); 206e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return 0; 207e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 208e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 209e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__hide(struct ui_browser *self) 210e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 211e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_lock(&ui__lock); 212e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtFormDestroy(self->form); 213e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->form = NULL; 214e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_helpline__pop(); 215e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_unlock(&ui__lock); 216e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 217e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 218e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengint ui_browser__refresh(struct ui_browser *self) 219e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 220e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int row; 221e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 222e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_lock(&ui__lock); 223e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtScrollbarSet(self->sb, self->index, self->nr_entries - 1); 224e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng row = self->refresh(self); 225e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__set_color(self, HE_COLORSET_NORMAL); 226e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng SLsmg_fill_region(self->y + row, self->x, 227e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->height - row, self->width, ' '); 228e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pthread_mutex_unlock(&ui__lock); 229e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 230e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return 0; 231e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 232e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 233e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengint ui_browser__run(struct ui_browser *self) 234e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 235e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct newtExitStruct es; 236e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 237e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (ui_browser__refresh(self) < 0) 238e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return -1; 239e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 240e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng while (1) { 241e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng off_t offset; 242e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 243e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng newtFormRun(self->form, &es); 244e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 245e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (es.reason != NEWT_EXIT_HOTKEY) 246e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 247e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng switch (es.u.key) { 248e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_DOWN: 249e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->index == self->nr_entries - 1) 250e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 251e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ++self->index; 252e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->index == self->top_idx + self->height) { 253e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ++self->top_idx; 254e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, +1, SEEK_CUR); 255e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 256e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 257e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_UP: 258e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->index == 0) 259e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 260e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng --self->index; 261e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->index < self->top_idx) { 262e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng --self->top_idx; 263e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, -1, SEEK_CUR); 264e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 265e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 266e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_PGDN: 267e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case ' ': 268e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->top_idx + self->height > self->nr_entries - 1) 269e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 270e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 271e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->height; 272e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->index + offset > self->nr_entries - 1) 273e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->nr_entries - 1 - self->index; 274e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->index += offset; 275e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top_idx += offset; 276e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, +offset, SEEK_CUR); 277e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 278e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_PGUP: 279e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->top_idx == 0) 280e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 281e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 282e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->top_idx < self->height) 283e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->top_idx; 284e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng else 285e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->height; 286e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 287e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->index -= offset; 288e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top_idx -= offset; 289e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, -offset, SEEK_CUR); 290e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 291e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_HOME: 292e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__reset_index(self); 293e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 294e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng case NEWT_KEY_END: 295e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->height - 1; 296e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (offset >= self->nr_entries) 297e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng offset = self->nr_entries - 1; 298e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 299e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->index = self->nr_entries - 1; 300e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top_idx = self->index - offset; 301e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->seek(self, -offset, SEEK_END); 302e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 303e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng default: 304e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return es.u.key; 305e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 306e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (ui_browser__refresh(self) < 0) 307e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return -1; 308e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 309e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return -1; 310e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 311e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 312e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengunsigned int ui_browser__list_head_refresh(struct ui_browser *self) 313e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 314e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct list_head *pos; 315e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct list_head *head = self->entries; 316e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng int row = 0; 317e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 318e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (self->top == NULL || self->top == self->entries) 319e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->top = head->next; 320e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 321e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng pos = self->top; 322e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 323e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng list_for_each_from(pos, head) { 324e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng ui_browser__gotorc(self, row, 0); 325e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng self->write(self, pos, row); 326e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng if (++row == self->height) 327e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng break; 328e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng } 329e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 330e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng return row; 331e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 332e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 333e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengstatic struct newtPercentTreeColors { 334e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *topColorFg, *topColorBg; 335e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *mediumColorFg, *mediumColorBg; 336e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *normalColorFg, *normalColorBg; 337e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *selColorFg, *selColorBg; 338e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng const char *codeColorFg, *codeColorBg; 339e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} defaultPercentTreeColors = { 340e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng "red", "lightgray", 341e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng "green", "lightgray", 342e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng "black", "lightgray", 343e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng "lightgray", "magenta", 344e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng "blue", "lightgray", 345e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng}; 346e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 347e6817ec1d8ab31fc7b01906e305f848542df6413Ben Chengvoid ui_browser__init(void) 348e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng{ 349e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng struct newtPercentTreeColors *c = &defaultPercentTreeColors; 350e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng 351e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg); 352e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg); 353e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg); 354e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg); 355e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg); 356e6817ec1d8ab31fc7b01906e305f848542df6413Ben Cheng} 357