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comparison mcabber/mcabber/screen.c @ 2098:c4a68361883f

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Lock buffer automatically when scrolled up, unlock when at bottom ("buffer_smart_scrolling" setting)
author Hermitifier
date Mon, 07 Apr 2014 08:46:17 +0200
parents 16b04d64ec88
children 113d3b96ae3e
comparison
equal deleted inserted replaced
2091:e06054423a60 2098:c4a68361883f
1136 hbb_line **lines, *line; 1136 hbb_line **lines, *line;
1137 GList *hbuf_head; 1137 GList *hbuf_head;
1138 int color = COLOR_GENERAL; 1138 int color = COLOR_GENERAL;
1139 bool readmark = FALSE; 1139 bool readmark = FALSE;
1140 bool skipline = FALSE; 1140 bool skipline = FALSE;
1141 int autolock;
1142
1143 autolock = settings_opt_get_int("buffer_smart_scrolling");
1141 1144
1142 prefixwidth = scr_getprefixwidth(); 1145 prefixwidth = scr_getprefixwidth();
1143 prefixwidth = MIN(prefixwidth, sizeof pref); 1146 prefixwidth = MIN(prefixwidth, sizeof pref);
1144 1147
1145 // Should the window be empty? 1148 // Should the window be empty?
1146 if (win_entry->bd->cleared) { 1149 if (win_entry->bd->cleared) {
1147 werase(win_entry->win); 1150 werase(win_entry->win);
1151 if (autolock && win_entry->bd->lock)
1152 scr_buffer_scroll_lock(0);
1148 return; 1153 return;
1149 } 1154 }
1150 1155
1151 // win_entry->bd->top is the top message of the screen. If it set to NULL, 1156 // win_entry->bd->top is the top message of the screen. If it set to NULL,
1152 // we are displaying the last messages. 1157 // we are displaying the last messages.
1168 if (win_entry->bd->lock) 1173 if (win_entry->bd->lock)
1169 win_entry->bd->top = hbuf_head; 1174 win_entry->bd->top = hbuf_head;
1170 } else 1175 } else
1171 hbuf_head = win_entry->bd->top; 1176 hbuf_head = win_entry->bd->top;
1172 1177
1173 // Get the last CHAT_WIN_HEIGHT lines. 1178 // Get the last CHAT_WIN_HEIGHT lines, and one more to detect scroll.
1174 lines = hbuf_get_lines(hbuf_head, CHAT_WIN_HEIGHT); 1179 lines = hbuf_get_lines(hbuf_head, CHAT_WIN_HEIGHT+1);
1175 1180
1176 if (CHAT_WIN_HEIGHT > 1) { 1181 if (CHAT_WIN_HEIGHT > 1) {
1177 // Do we have a read mark? 1182 // Do we have a read mark?
1178 for (n = 0; n < CHAT_WIN_HEIGHT; n++) { 1183 for (n = 0; n < CHAT_WIN_HEIGHT; n++) {
1179 line = *(lines+n); 1184 line = *(lines+n);
1325 } else { 1330 } else {
1326 wclrtobot(win_entry->win); 1331 wclrtobot(win_entry->win);
1327 break; 1332 break;
1328 } 1333 }
1329 } 1334 }
1335 line = *(lines+CHAT_WIN_HEIGHT); //line is scrolled out and never written
1336 if (line) {
1337 if (autolock && !win_entry->bd->lock) {
1338 if (!hbuf_jump_readmark(hbuf_head))
1339 scr_buffer_readmark(TRUE);
1340 scr_buffer_scroll_lock(1);
1341 }
1342 g_free(line->text);
1343 g_free(line);
1344 } else if (autolock && win_entry->bd->lock) {
1345 scr_buffer_scroll_lock(0);
1346 }
1347
1330 g_free(lines); 1348 g_free(lines);
1331 } 1349 }
1332 1350
1333 static winbuf *scr_create_window(const char *winId, int special, int dont_show) 1351 static winbuf *scr_create_window(const char *winId, int special, int dont_show)
1334 { 1352 {
2905 // If action = -1, remove the readmark flag iff it is on the last line 2923 // If action = -1, remove the readmark flag iff it is on the last line
2906 void scr_buffer_readmark(gchar action) 2924 void scr_buffer_readmark(gchar action)
2907 { 2925 {
2908 winbuf *win_entry; 2926 winbuf *win_entry;
2909 guint isspe; 2927 guint isspe;
2928 int autolock;
2910 2929
2911 // Get win_entry 2930 // Get win_entry
2912 if (!current_buddy) return; 2931 if (!current_buddy) return;
2913 isspe = buddy_gettype(BUDDATA(current_buddy)) & ROSTER_TYPE_SPECIAL; 2932 isspe = buddy_gettype(BUDDATA(current_buddy)) & ROSTER_TYPE_SPECIAL;
2914 if (isspe) return; // Maybe not necessary 2933 if (isspe) return; // Maybe not necessary
2915 win_entry = scr_search_window(CURRENT_JID, isspe); 2934 win_entry = scr_search_window(CURRENT_JID, isspe);
2916 if (!win_entry) return; 2935 if (!win_entry) return;
2917 2936
2918 if (!win_entry->bd->lock) { 2937 autolock = settings_opt_get_int("buffer_smart_scrolling");
2938 if (!win_entry->bd->lock || autolock) {
2919 if (action >= 0) 2939 if (action >= 0)
2920 hbuf_set_readmark(win_entry->bd->hbuf, action); 2940 hbuf_set_readmark(win_entry->bd->hbuf, action);
2921 else 2941 else
2922 hbuf_remove_trailing_readmark(win_entry->bd->hbuf); 2942 hbuf_remove_trailing_readmark(win_entry->bd->hbuf);
2923 } 2943 }