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Fixed restoring split windows layout. Some other split window resizing fixes

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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1854 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2001-10-20 10:01:29 +00:00 • committed by cras
commit 113486564f
3 changed files with 159 additions and 51 deletions
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132
src/fe-text/mainwindows.c
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@ -35,7 +35,7 @@
GSList *mainwindows;
MAIN_WINDOW_REC *active_mainwin;
static int reserved_top, reserved_bottom;
int screen_reserved_top, screen_reserved_bottom;
static int old_screen_width, old_screen_height;
#define mainwindow_create_screen(window) \
@ -61,7 +61,7 @@ static MAIN_WINDOW_REC *find_window_with_room(void)
for (tmp = mainwindows; tmp != NULL; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
space = rec->height;
space = MAIN_WINDOW_TEXT_HEIGHT(rec);
if (space >= WINDOW_MIN_SIZE+NEW_WINDOW_SIZE && space > biggest) {
biggest = space;
biggest_rec = rec;
@ -178,12 +178,13 @@ MAIN_WINDOW_REC *mainwindow_create(void)
if (mainwindows == NULL) {
active_mainwin = rec;
rec->first_line = reserved_top;
rec->last_line = screen_height-1 - reserved_bottom;
rec->first_line = screen_reserved_top;
rec->last_line = screen_height-1 - screen_reserved_bottom;
rec->height = rec->last_line-rec->first_line+1;
} else {
parent = WINDOW_MAIN(active_win);
if (parent->height < WINDOW_MIN_SIZE+NEW_WINDOW_SIZE)
if (MAIN_WINDOW_TEXT_HEIGHT(parent) <
WINDOW_MIN_SIZE+NEW_WINDOW_SIZE)
parent = find_window_with_room();
if (parent == NULL)
return NULL; /* not enough space */
@ -376,7 +377,7 @@ static void mainwindows_resize_smaller(int xdiff, int ydiff)
for (tmp = mainwindows; tmp != NULL; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
space += rec->height-WINDOW_MIN_SIZE;
space += MAIN_WINDOW_TEXT_HEIGHT(rec)-WINDOW_MIN_SIZE;
}
if (space < -ydiff) {
@ -390,7 +391,7 @@ static void mainwindows_resize_smaller(int xdiff, int ydiff)
for (tmp = sorted; tmp != NULL && ydiff < 0; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
space = rec->height-WINDOW_MIN_SIZE;
space = MAIN_WINDOW_TEXT_HEIGHT(rec)-WINDOW_MIN_SIZE;
if (space <= 0) {
rec->first_line += ydiff;
rec->last_line += ydiff;
@ -419,7 +420,7 @@ static void mainwindows_resize_bigger(int xdiff, int ydiff)
for (tmp = sorted; tmp != NULL; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
space = rec->height-WINDOW_MIN_SIZE;
space = MAIN_WINDOW_TEXT_HEIGHT(rec)-WINDOW_MIN_SIZE;
if (ydiff == 0 || (space >= 0 && tmp->next != NULL)) {
if (moved > 0) {
rec->first_line += moved;
@ -488,10 +489,10 @@ int mainwindows_reserve_lines(int top, int bottom)
ret = -1;
if (top != 0) {
g_return_val_if_fail(top > 0 || reserved_top > top, -1);
g_return_val_if_fail(top > 0 || screen_reserved_top > top, -1);
ret = reserved_top;
reserved_top += top;
ret = screen_reserved_top;
screen_reserved_top += top;
window = mainwindows_find_lower(-1);
if (window != NULL) {
@ -501,10 +502,10 @@ int mainwindows_reserve_lines(int top, int bottom)
}
if (bottom != 0) {
g_return_val_if_fail(bottom > 0 || reserved_bottom > bottom, -1);
g_return_val_if_fail(bottom > 0 || screen_reserved_bottom > bottom, -1);
ret = reserved_bottom;
reserved_bottom += bottom;
ret = screen_reserved_bottom;
screen_reserved_bottom += bottom;
window = mainwindows_find_upper(screen_height);
if (window != NULL) {
@ -551,60 +552,104 @@ static void mainwindows_resize_two(MAIN_WINDOW_REC *grow_win,
gui_window_redraw(shrink_win->active);
}
static int mainwindow_grow(MAIN_WINDOW_REC *window, int count)
static int try_shrink_lower(MAIN_WINDOW_REC *window, int count)
{
MAIN_WINDOW_REC *shrink_win;
/* shrink lower window */
shrink_win = mainwindows_find_lower(window->last_line);
if (shrink_win != NULL && shrink_win->height-count >= WINDOW_MIN_SIZE) {
if (shrink_win != NULL &&
MAIN_WINDOW_TEXT_HEIGHT(shrink_win)-count >= WINDOW_MIN_SIZE) {
window->last_line += count;
shrink_win->first_line += count;
} else {
/* shrink upper window */
shrink_win = mainwindows_find_upper(window->first_line);
if (shrink_win == NULL ||
shrink_win->height-count < WINDOW_MIN_SIZE)
return FALSE;
mainwindows_resize_two(window, shrink_win, count);
return TRUE;
}
return FALSE;
}
static int try_shrink_upper(MAIN_WINDOW_REC *window, int count)
{
MAIN_WINDOW_REC *shrink_win;
shrink_win = mainwindows_find_upper(window->first_line);
if (shrink_win != NULL &&
MAIN_WINDOW_TEXT_HEIGHT(shrink_win)-count >= WINDOW_MIN_SIZE) {
window->first_line -= count;
shrink_win->last_line -= count;
mainwindows_resize_two(window, shrink_win, count);
return TRUE;
}
return FALSE;
}
static int mainwindow_grow(MAIN_WINDOW_REC *window, int count,
int resize_lower)
{
if (!resize_lower || !try_shrink_lower(window, count)) {
if (!try_shrink_upper(window, count)) {
if (resize_lower || !try_shrink_lower(window, count))
return FALSE;
}
}
mainwindows_resize_two(window, shrink_win, count);
return TRUE;
}
static int mainwindow_shrink(MAIN_WINDOW_REC *window, int count)
static int try_grow_lower(MAIN_WINDOW_REC *window, int count)
{
MAIN_WINDOW_REC *grow_win;
if (window->height-count < WINDOW_MIN_SIZE)
return FALSE;
grow_win = mainwindows_find_lower(window->last_line);
if (grow_win != NULL) {
window->last_line -= count;
grow_win->first_line -= count;
} else {
grow_win = mainwindows_find_upper(window->first_line);
if (grow_win == NULL) return FALSE;
mainwindows_resize_two(grow_win, window, count);
}
return grow_win != NULL;
}
static int try_grow_upper(MAIN_WINDOW_REC *window, int count)
{
MAIN_WINDOW_REC *grow_win;
grow_win = mainwindows_find_upper(window->first_line);
if (grow_win != NULL) {
window->first_line += count;
grow_win->last_line += count;
mainwindows_resize_two(grow_win, window, count);
}
return grow_win != NULL;
}
static int mainwindow_shrink(MAIN_WINDOW_REC *window, int count, int resize_lower)
{
if (MAIN_WINDOW_TEXT_HEIGHT(window)-count < WINDOW_MIN_SIZE)
return FALSE;
if (!resize_lower || !try_grow_lower(window, count)) {
if (!try_grow_upper(window, count)) {
if (resize_lower || !try_grow_lower(window, count))
return FALSE;
}
}
mainwindows_resize_two(grow_win, window, count);
return TRUE;
}
void mainwindow_set_size(MAIN_WINDOW_REC *window, int size)
/* Change the window height - the height includes the lines needed for
statusbars. If resize_lower is TRUE, the lower window is first tried
to be resized instead of upper window. */
void mainwindow_set_size(MAIN_WINDOW_REC *window, int height, int resize_lower)
{
size -= window->height;
if (size < 0)
mainwindow_shrink(window, -size);
height -= window->height;
if (height < 0)
mainwindow_shrink(window, -height, resize_lower);
else
mainwindow_grow(window, size);
mainwindow_grow(window, height, resize_lower);
}
/* SYNTAX: WINDOW GROW [<lines>] */
@ -616,7 +661,7 @@ static void cmd_window_grow(const char *data)
count = *data == '\0' ? 1 : atoi(data);
window = WINDOW_MAIN(active_win);
if (!mainwindow_grow(window, count)) {
if (!mainwindow_grow(window, count, FALSE)) {
printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
TXT_WINDOW_TOO_SMALL);
}
@ -628,7 +673,7 @@ static void cmd_window_shrink(const char *data)
int count;
count = *data == '\0' ? 1 : atoi(data);
if (!mainwindow_shrink(WINDOW_MAIN(active_win), count)) {
if (!mainwindow_shrink(WINDOW_MAIN(active_win), count, FALSE)) {
printformat_window(active_win, MSGLEVEL_CLIENTNOTICE,
TXT_WINDOW_TOO_SMALL);
}
@ -643,7 +688,8 @@ static void cmd_window_size(const char *data)
if (!is_numeric(data, 0)) return;
size = atoi(data);
size -= WINDOW_MAIN(active_win)->height;
size -= WINDOW_MAIN(active_win)->height -
WINDOW_MAIN(active_win)->statusbar_lines;
if (size == 0) return;
ltoa(sizestr, size < 0 ? -size : size);
@ -663,12 +709,12 @@ static void cmd_window_balance(void)
windows = g_slist_length(mainwindows);
if (windows == 1) return;
avail_size = screen_height - reserved_top-reserved_bottom;
avail_size = screen_height - screen_reserved_top-screen_reserved_bottom;
unit_size = avail_size/windows;
bigger_units = avail_size%windows;
sorted = mainwindows_get_sorted(FALSE);
last_line = reserved_top;
last_line = screen_reserved_top;
for (tmp = sorted; tmp != NULL; tmp = tmp->next) {
MAIN_WINDOW_REC *rec = tmp->data;
@ -995,7 +1041,7 @@ void mainwindows_init(void)
mainwindows = NULL;
active_mainwin = NULL;
reserved_top = reserved_bottom = 0;
screen_reserved_top = screen_reserved_bottom = 0;
command_bind("window grow", NULL, (SIGNAL_FUNC) cmd_window_grow);
command_bind("window shrink", NULL, (SIGNAL_FUNC) cmd_window_shrink);