From a900cb580fd0ac1b617dfa4357b5c4cd7b126bc1 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <cras@irssi.org>
Date: Thu, 10 Aug 2000 19:13:54 +0000
Subject: [PATCH] Windowing system fixes, doesn't crash anymore after window
 resizes.

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@577 dbcabf3a-b0e7-0310-adc4-f8d773084564
---
 src/fe-text/gui-readline.c    |  4 ++--
 src/fe-text/gui-textwidget.c  |  4 ++--
 src/fe-text/mainwindows.c     | 20 ++++++++------------
 src/fe-text/statusbar-items.c |  2 +-
 src/fe-text/statusbar.c       |  2 +-
 5 files changed, 14 insertions(+), 18 deletions(-)

diff --git a/src/fe-text/gui-readline.c b/src/fe-text/gui-readline.c
index 612a843c..401fa414 100644
--- a/src/fe-text/gui-readline.c
+++ b/src/fe-text/gui-readline.c
@@ -88,14 +88,14 @@ static void window_prev_page(void)
 {
 	GUI_WINDOW_REC *gui = WINDOW_GUI(active_win);
 
-	gui_window_scroll(active_win, -(gui->parent->last_line-gui->parent->first_line)/2);
+	gui_window_scroll(active_win, -gui->parent->lines/2);
 }
 
 static void window_next_page(void)
 {
 	GUI_WINDOW_REC *gui = WINDOW_GUI(active_win);
 
-	gui_window_scroll(active_win, (gui->parent->last_line-gui->parent->first_line)/2);
+	gui_window_scroll(active_win, gui->parent->lines/2);
 }
 
 static const char *get_key_name(int key)
diff --git a/src/fe-text/gui-textwidget.c b/src/fe-text/gui-textwidget.c
index 2c8607b8..745162aa 100644
--- a/src/fe-text/gui-textwidget.c
+++ b/src/fe-text/gui-textwidget.c
@@ -269,7 +269,7 @@ static void scrollback_goto_pos(WINDOW_REC *window, GList *pos)
 
 		gui->startline = gui->bottom_startline;
 		gui->subline = gui->bottom_subline;
-		gui->ypos = gui->parent->last_line-gui->parent->first_line;
+		gui->ypos = gui->parent->lines-1;
 		gui->bottom = TRUE;
 	}
 
@@ -400,7 +400,7 @@ static void cmd_scrollback_end(const char *data)
 
 	gui->startline = gui->bottom_startline;
 	gui->subline = gui->bottom_subline;
-	gui->ypos = gui->parent->last_line-gui->parent->first_line;
+	gui->ypos = gui->parent->lines-1;
 	gui->bottom = TRUE;
 
 	if (is_window_visible(active_win))
diff --git a/src/fe-text/mainwindows.c b/src/fe-text/mainwindows.c
index 0d5fa25c..c5fa3d25 100644
--- a/src/fe-text/mainwindows.c
+++ b/src/fe-text/mainwindows.c
@@ -57,12 +57,6 @@ static MAIN_WINDOW_REC *find_window_with_room(void)
 	return biggest_rec;
 }
 
-static void create_curses_window(MAIN_WINDOW_REC *window)
-{
-	window->curses_win =
-		subwin(stdscr, window->lines, COLS, window->first_line, 0);
-}
-
 static void mainwindow_resize(MAIN_WINDOW_REC *window, int ychange, int xchange)
 {
 	GSList *tmp;
@@ -70,8 +64,8 @@ static void mainwindow_resize(MAIN_WINDOW_REC *window, int ychange, int xchange)
 	if (ychange == 0 && !xchange) return;
 
 	window->lines = window->last_line-window->first_line+1;
-	delwin(window->curses_win);
-	create_curses_window(window);
+	wresize(window->curses_win, window->lines, COLS);
+	mvwin(window->curses_win, window->first_line, 0);
 
 	for (tmp = windows; tmp != NULL; tmp = tmp->next) {
 		WINDOW_REC *rec = tmp->data;
@@ -110,13 +104,13 @@ MAIN_WINDOW_REC *mainwindow_create(void)
 		rec->lines = rec->last_line-rec->first_line+1;
 		parent->first_line = rec->last_line+1+rec->statusbar_lines;
 		parent->lines = parent->last_line-parent->first_line+1;
-		delwin(parent->curses_win);
-		create_curses_window(parent);
 
 		mainwindow_resize(parent, -space-1, FALSE);
 	}
 
-	create_curses_window(rec);
+	rec->curses_win = newwin(rec->lines, COLS, rec->first_line, 0);
+	refresh();
+
 	mainwindows = g_slist_append(mainwindows, rec);
 	signal_emit("mainwindow created", 1, rec);
 	return rec;
@@ -416,7 +410,8 @@ int mainwindows_reserve_lines(int count, int up)
 	return ret;
 }
 
-static void mainwindows_resize_two(MAIN_WINDOW_REC *grow_win, MAIN_WINDOW_REC *shrink_win, int count)
+static void mainwindows_resize_two(MAIN_WINDOW_REC *grow_win,
+				   MAIN_WINDOW_REC *shrink_win, int count)
 {
 	mainwindow_resize(grow_win, count, FALSE);
 	mainwindow_resize(shrink_win, -count, FALSE);
@@ -526,6 +521,7 @@ static void cmd_window_balance(void)
 		rec->first_line = last_line+1;
 		rec->last_line = rec->first_line-1 + unit_size -
 			rec->statusbar_lines;
+		rec->lines = rec->last_line-rec->first_line+1;
 
 		if (bigger_units > 0) {
 			rec->last_line++;
diff --git a/src/fe-text/statusbar-items.c b/src/fe-text/statusbar-items.c
index 7ea0e6dc..6de94017 100644
--- a/src/fe-text/statusbar-items.c
+++ b/src/fe-text/statusbar-items.c
@@ -781,7 +781,7 @@ static void sidebar_remove_items(MAIN_WINDOW_REC *window)
 
 static void sig_mainwindow_created(MAIN_WINDOW_REC *window)
 {
-	window->statusbar = statusbar_create(STATUSBAR_POS_MIDDLE, window->last_line+1);
+	window->statusbar = statusbar_create(STATUSBAR_POS_MIDDLE, window->first_line+window->lines);
 	sidebar_add_items(window);
 }
 
diff --git a/src/fe-text/statusbar.c b/src/fe-text/statusbar.c
index 75119163..baf191a6 100644
--- a/src/fe-text/statusbar.c
+++ b/src/fe-text/statusbar.c
@@ -242,7 +242,7 @@ static void sig_mainwindow_resized(MAIN_WINDOW_REC *window)
 	STATUSBAR_REC *rec;
 
 	rec = window->statusbar;
-        rec->ypos = window->last_line+1;
+        rec->ypos = window->first_line+window->lines;
 }
 
 void statusbar_init(void)