/SAVEWINDOWS saves now split windows

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1202 dbcabf3a-b0e7-0310-adc4-f8d773084564

5 files changed, 262 insertions, 31 deletions

diff --git a/src/fe-text/Makefile.am b/src/fe-text/Makefile.am
index 7f402d8c..19a616c1 100644
--- a/src/fe-text/Makefile.am
+++ b/src/fe-text/Makefile.am
@@ -26,6 +26,7 @@ irssi_SOURCES = \
         gui-windows.c \
         mainwindows.c \
         mainwindow-activity.c \
+        mainwindows-save.c \
         statusbar.c \
         statusbar-items.c \
         irssi.c \
diff --git a/src/fe-text/irssi.c b/src/fe-text/irssi.c
index 006f5188..a7aca87e 100644
--- a/src/fe-text/irssi.c
+++ b/src/fe-text/irssi.c
@@ -58,6 +58,9 @@ void gui_textwidget_deinit(void);
 void mainwindow_activity_init(void);
 void mainwindow_activity_deinit(void);
 
+void mainwindows_save_init(void);
+void mainwindows_save_deinit(void);
+
 static GMainLoop *main_loop;
 int quitting;
 
@@ -122,6 +125,7 @@ static void textui_finish_init(void)
 	gui_textwidget_init();
 	mainwindows_init();
 	mainwindow_activity_init();
+	mainwindows_save_init();
 	gui_windows_init();
 	statusbar_init();
 
@@ -159,6 +163,7 @@ static void textui_deinit(void)
 	gui_printtext_deinit();
 	gui_readline_deinit();
 	gui_windows_deinit();
+	mainwindows_save_deinit();
 	mainwindow_activity_deinit();
 	mainwindows_deinit();
 	gui_expandos_deinit();
diff --git a/src/fe-text/mainwindows-save.c b/src/fe-text/mainwindows-save.c
new file mode 100644
index 00000000..51d4ba34
--- /dev/null
+++ b/src/fe-text/mainwindows-save.c
@@ -0,0 +1,195 @@
+/*
+ mainwindows-save.c : irssi
+
+    Copyright (C) 2001 Timo Sirainen
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "signals.h"
+#include "misc.h"
+#include "lib-config/iconfig.h"
+#include "settings.h"
+
+#include "mainwindows.h"
+#include "gui-windows.h"
+
+static void main_window_save(MAIN_WINDOW_REC *window, CONFIG_NODE *node)
+{
+	GSList *tmp;
+	GString *str;
+        char num[MAX_INT_STRLEN];
+
+        ltoa(num, window->active->refnum);
+	node = config_node_section(node, num, NODE_TYPE_BLOCK);
+
+	iconfig_node_set_int(node, "first_line", window->first_line);
+	iconfig_node_set_int(node, "lines", window->lines);
+
+	str = g_string_new(NULL);
+	for (tmp = window->sticky_windows; tmp != NULL; tmp = tmp->next) {
+                WINDOW_REC *rec = tmp->data;
+                g_string_sprintfa(str, "%d ", rec->refnum);
+	}
+	if (str->len > 1) {
+		g_string_truncate(str, str->len-1);
+		iconfig_node_set_str(node, "sticky", str->str);
+	}
+        g_string_free(str, TRUE);
+}
+
+static void sig_windows_saved(void)
+{
+	CONFIG_NODE *node;
+
+	iconfig_set_str(NULL, "mainwindows", NULL);
+	node = iconfig_node_traverse("mainwindows", TRUE);
+
+	g_slist_foreach(mainwindows, (GFunc) main_window_save, node);
+}
+
+static int window_node_cmp(CONFIG_NODE *n1, CONFIG_NODE *n2)
+{
+	return config_node_get_int(n1, "first_line", 0) <
+		config_node_get_int(n2, "first_line", 0) ? -1 : 1;
+}
+
+static GSList *read_sorted_windows(CONFIG_NODE *node)
+{
+	GSList *tmp, *output;
+
+        output = NULL;
+	for (tmp = node->value; tmp != NULL; tmp = tmp->next) {
+		output = g_slist_insert_sorted(output, tmp->data,
+					       (GCompareFunc) window_node_cmp);
+	}
+
+        return output;
+}
+
+static void restore_sticky_windows(CONFIG_NODE *node,
+				   MAIN_WINDOW_REC *mainwindow)
+{
+        WINDOW_REC *window;
+        char **sticky_list, **sticky;
+
+	sticky_list = g_strsplit(config_node_get_str(node, "sticky", ""), " ", -1);
+	for (sticky = sticky_list; *sticky != NULL; sticky++) {
+		window = window_find_refnum(atoi(*sticky));
+		if (window != NULL) {
+			mainwindow->sticky_windows =
+				g_slist_append(mainwindow->sticky_windows,
+					       window);
+		}
+	}
+	g_strfreev(sticky_list);
+}
+
+static WINDOW_REC *window_find_hidden(void)
+{
+	GSList *tmp;
+
+	for (tmp = windows; tmp != NULL; tmp = tmp->next) {
+		WINDOW_REC *rec = tmp->data;
+
+		if (!is_window_visible(rec))
+                        return rec;
+	}
+
+        return NULL;
+}
+
+static void sig_windows_restored(void)
+{
+        MAIN_WINDOW_REC *mainwindow, *lowerwin;
+        WINDOW_REC *window;
+	CONFIG_NODE *node;
+	GSList *tmp, *tmp2, *sorted_windows, *sorted_config;
+        int count, newsize;
+
+	node = iconfig_node_traverse("mainwindows", FALSE);
+	if (node == NULL) return;
+
+	/* create all windows, shrink the lower windows to minimum size */
+        lowerwin = mainwindows->data;
+	count = g_slist_length(node->value);
+	while (count > 1) {
+		window = window_find_hidden();
+		if (window == NULL)
+			break;
+
+		mainwindow = mainwindow_create();
+		if (mainwindow == NULL)
+			break;
+
+		mainwindow->active = window;
+		WINDOW_GUI(window)->parent = mainwindow;
+
+		active_mainwin = NULL;
+		window_set_active(window);
+
+                if (lowerwin->lines > WINDOW_MIN_SIZE)
+			mainwindow_set_size(lowerwin, WINDOW_MIN_SIZE);
+		count--;
+
+		lowerwin = mainwindow;
+	}
+
+        sorted_config = read_sorted_windows(node);
+	sorted_windows = mainwindows_get_sorted(FALSE);
+	for (tmp = sorted_windows, tmp2 = sorted_config;
+	     tmp != NULL && tmp2 != NULL;
+	     tmp = tmp->next, tmp2 = tmp2->next) {
+		MAIN_WINDOW_REC *mainwindow = tmp->data;
+                CONFIG_NODE *node = tmp2->data;
+
+                window = window_find_refnum(atoi(node->key));
+		if (window == NULL) {
+			mainwindow_destroy(mainwindow);
+                        continue;
+		}
+
+		if (is_window_visible(window)) {
+                        active_mainwin = WINDOW_GUI(window)->parent;
+			window_set_active(window_find_hidden());
+		}
+
+		active_mainwin = mainwindow;
+		window_set_active(window);
+
+		restore_sticky_windows(node, mainwindow);
+
+		newsize = config_node_get_int(node, "lines", 0);
+		if (newsize > 0)
+                        mainwindow_set_size(mainwindow, newsize);
+	}
+	g_slist_free(sorted_windows);
+	g_slist_free(sorted_config);
+
+        irssi_redraw();
+}
+
+void mainwindows_save_init(void)
+{
+	signal_add("windows saved", (SIGNAL_FUNC) sig_windows_saved);
+	signal_add("windows restored", (SIGNAL_FUNC) sig_windows_restored);
+}
+
+void mainwindows_save_deinit(void)
+{
+	signal_remove("windows saved", (SIGNAL_FUNC) sig_windows_saved);
+	signal_remove("windows restored", (SIGNAL_FUNC) sig_windows_restored);
+}
diff --git a/src/fe-text/mainwindows.c b/src/fe-text/mainwindows.c
index 1334e20b..61e1f71b 100644
--- a/src/fe-text/mainwindows.c
+++ b/src/fe-text/mainwindows.c
@@ -30,7 +30,6 @@
 #include "statusbar.h"
 #include "gui-windows.h"
 
-#define WINDOW_MIN_SIZE 2
 #define NEW_WINDOW_SIZE (WINDOW_MIN_SIZE + 1)
 
 GSList *mainwindows;
@@ -268,7 +267,7 @@ static int mainwindows_compare_reverse(MAIN_WINDOW_REC *w1, MAIN_WINDOW_REC *w2)
 	return w1->first_line < w2->first_line ? 1 : -1;
 }
 
-static GSList *mainwindows_get_sorted(int reverse)
+GSList *mainwindows_get_sorted(int reverse)
 {
 	GSList *tmp, *list;
 
@@ -457,14 +456,9 @@ static void mainwindows_resize_two(MAIN_WINDOW_REC *grow_win,
 	statusbar_redraw(shrink_win->statusbar);
 }
 
-/* SYNTAX: WINDOW GROW [<lines>] */
-static void cmd_window_grow(const char *data)
+static int mainwindow_grow(MAIN_WINDOW_REC *window, int count)
 {
-	MAIN_WINDOW_REC *window, *shrink_win;
-	int count;
-
-	count = *data == '\0' ? 1 : atoi(data);
-	window = WINDOW_GUI(active_win)->parent;
+	MAIN_WINDOW_REC *shrink_win;
 
 	/* shrink lower window */
 	shrink_win = mainwindows_find_lower(window->last_line);
@@ -474,33 +468,24 @@ static void cmd_window_grow(const char *data)
 	} else {
 		/* shrink upper window */
 		shrink_win = mainwindows_find_upper(window->first_line);
-		if (shrink_win != NULL && shrink_win->lines-count >= WINDOW_MIN_SIZE) {
-			window->first_line -= count;
-			shrink_win->last_line -= count;
-		} else {
-			printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
-					   TXT_WINDOW_TOO_SMALL);
-			return;
-		}
+		if (shrink_win == NULL ||
+		    shrink_win->lines-count < WINDOW_MIN_SIZE)
+			return FALSE;
+
+		window->first_line -= count;
+		shrink_win->last_line -= count;
 	}
 
 	mainwindows_resize_two(window, shrink_win, count);
+        return TRUE;
 }
 
-/* SYNTAX: WINDOW SHRINK [<lines>] */
-static void cmd_window_shrink(const char *data)
+static int mainwindow_shrink(MAIN_WINDOW_REC *window, int count)
 {
-	MAIN_WINDOW_REC *window, *grow_win;
-	int count;
+	MAIN_WINDOW_REC *grow_win;
 
-	count = *data == '\0' ? 1 : atoi(data);
-
-	window = WINDOW_GUI(active_win)->parent;
-	if (window->lines-count < WINDOW_MIN_SIZE) {
-		printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
-				   TXT_WINDOW_TOO_SMALL);
-                return;
-	}
+	if (window->lines-count < WINDOW_MIN_SIZE)
+                return FALSE;
 
 	grow_win = mainwindows_find_lower(window->last_line);
 	if (grow_win != NULL) {
@@ -508,13 +493,53 @@ static void cmd_window_shrink(const char *data)
 		grow_win->first_line -= count;
 	} else {
 		grow_win = mainwindows_find_upper(window->first_line);
-		if (grow_win == NULL) return;
+		if (grow_win == NULL) return FALSE;
 
 		window->first_line += count;
 		grow_win->last_line += count;
 	}
 
 	mainwindows_resize_two(grow_win, window, count);
+        return TRUE;
+}
+
+void mainwindow_set_size(MAIN_WINDOW_REC *window, int size)
+{
+        size -= window->lines;
+	if (size < 0)
+		mainwindow_shrink(window, size);
+	else
+		mainwindow_grow(window, size);
+}
+
+/* SYNTAX: WINDOW GROW [<lines>] */
+static void cmd_window_grow(const char *data)
+{
+	MAIN_WINDOW_REC *window;
+	int count;
+
+	count = *data == '\0' ? 1 : atoi(data);
+	window = WINDOW_GUI(active_win)->parent;
+
+	if (!mainwindow_grow(window, count)) {
+		printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
+				   TXT_WINDOW_TOO_SMALL);
+	}
+}
+
+/* SYNTAX: WINDOW SHRINK [<lines>] */
+static void cmd_window_shrink(const char *data)
+{
+	MAIN_WINDOW_REC *window;
+	int count;
+
+	count = *data == '\0' ? 1 : atoi(data);
+	window = WINDOW_GUI(active_win)->parent;
+
+	if (!mainwindow_shrink(window, count)) {
+		printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
+				   TXT_WINDOW_TOO_SMALL);
+	}
 }
 
 /* SYNTAX: WINDOW SIZE <lines> */
diff --git a/src/fe-text/mainwindows.h b/src/fe-text/mainwindows.h
index 278e1b11..7eb4875b 100644
--- a/src/fe-text/mainwindows.h
+++ b/src/fe-text/mainwindows.h
@@ -4,6 +4,8 @@
 #include "fe-windows.h"
 #include "screen.h"
 
+#define WINDOW_MIN_SIZE 2
+
 typedef struct {
 	WINDOW_REC *active;
         GSList *sticky_windows; /* list of windows allowed to show only in this mainwindow */
@@ -27,9 +29,12 @@ MAIN_WINDOW_REC *mainwindow_create(void);
 void mainwindow_destroy(MAIN_WINDOW_REC *window);
 
 void mainwindows_redraw(void);
-void mainwindows_resize(int ychange, int xchange);
 void mainwindows_recreate(void);
 
+void mainwindow_set_size(MAIN_WINDOW_REC *window, int size);
+void mainwindows_resize(int ychange, int xchange);
+
 int mainwindows_reserve_lines(int count, int up);
+GSList *mainwindows_get_sorted(int reverse);
 
 #endif