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Diffstat (limited to 'src/split.c')
| -rw-r--r-- | src/split.c | 1090 |
1 files changed, 0 insertions, 1090 deletions
diff --git a/src/split.c b/src/split.c deleted file mode 100644 index b36b99e..0000000 --- a/src/split.c +++ /dev/null @@ -1,1090 +0,0 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004 Shawn Betts <sabetts@vcn.bc.ca> - * - * This file is part of ratpoison. - * - * ratpoison 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, or (at your option) - * any later version. - * - * ratpoison 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 software; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - * - * - * Functions for handling window splitting and tiling. - */ - -#include <unistd.h> -#include <string.h> - -#include "ratpoison.h" - -#define VERTICALLY 0 -#define HORIZONTALLY 1 - -static void -update_last_access (rp_frame *frame) -{ - static int counter = 0; - - frame->last_access = counter; - counter++; -} - -rp_frame * -current_frame (void) -{ - rp_screen *s = current_screen(); - return screen_get_frame (s, s->current_frame); -} - -int -num_frames (rp_screen *s) -{ - int count = 0; - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - count++; - } - - return count; -} - -void -cleanup_frame (rp_frame *frame) -{ - rp_window *win; - rp_screen *screen; - screen = frames_screen(frame); - - win = find_window_other (screen); - if (win == NULL) - { - set_frames_window (frame, NULL); - return; - } - - set_frames_window (frame, win); - - maximize (win); - unhide_window (win); - - - if (!window_is_transient (win)) - hide_others (win); -} - -rp_window * -set_frames_window (rp_frame *frame, rp_window *win) -{ - int last_win; - - last_win = frame->win_number; - if (win) - { - frame->win_number = win->number; - win->frame_number = frame->number; - - /* We need to make sure that win and frame are on the same screen, - * since with Xinerama, windows can move from one screen to another. - */ - win->scr = frames_screen(frame); - } - else - { - frame->win_number = EMPTY; - } - - return find_window_number (last_win); -} - -rp_screen * -frames_screen (rp_frame *frame) -{ - int i; - rp_frame *cur; - - for (i=0; i<num_screens; i++) - list_for_each_entry (cur, &screens[i].frames, node) - { - if (frame == cur) - return &screens[i]; - } - - /* This SHOULD be impossible to get to. FIXME: It'll crash higher up if we - return NULL. */ - return NULL; -} - -void -maximize_all_windows_in_frame (rp_frame *frame) -{ - rp_window *win; - - list_for_each_entry (win, &rp_mapped_window, node) - { - if (win->frame_number == frame->number) - { - maximize (win); - } - } -} - -/* Make the frame occupy the entire screen */ -static void -maximize_frame (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - - frame->x = defaults.padding_left; - frame->y = defaults.padding_top; - - frame->width = screen_width (s); - frame->height = screen_height (s); -} - -/* Create a full screen frame */ -static void -create_initial_frame (rp_screen *screen) -{ - rp_frame *frame; - - frame = frame_new (screen); - screen->current_frame = frame->number; - list_add_tail (&frame->node, &screen->frames); - - update_last_access (frame); - - maximize_frame (frame); - set_frames_window (frame, NULL); -} - -void -init_frame_lists (void) -{ - int i; - - for (i=0; i<num_screens; i++) - init_frame_list (&screens[i]); -} - -void -init_frame_list (rp_screen *screen) -{ - INIT_LIST_HEAD (&screen->frames); - - create_initial_frame(screen); -} - -rp_frame * -find_last_frame (void) -{ - rp_frame *cur, *last = NULL; - int last_access = -1; - int i; - - for (i=0; i<num_screens; i++) - { - rp_screen *s = &screens[i]; - - list_for_each_entry (cur, &s->frames, node) - { - if (cur->number != current_screen()->current_frame - && cur->last_access > last_access) - { - last_access = cur->last_access; - last = cur; - } - } - } - - return last; -} - -/* Return the frame that contains the window. */ -rp_frame * -find_windows_frame (rp_window *win) -{ - rp_screen *s; - rp_frame *cur; - - s = win->scr; - - list_for_each_entry (cur, &s->frames, node) - { - if (cur->win_number == win->number) return cur; - } - - return NULL; -} - -rp_frame * -find_frame_next (rp_frame *frame) -{ - if (frame == NULL) return NULL; - return list_next_entry (frame, &frames_screen (frame)->frames, node); -} - -rp_frame * -find_frame_prev (rp_frame *frame) -{ - if (frame == NULL) return NULL; - return list_prev_entry (frame, &frames_screen (frame)->frames, node); -} - -rp_window * -current_window (void) -{ - return find_window_number (current_frame()->win_number); -} - -static int -window_fits_in_frame (rp_window *win, rp_frame *frame) -{ - /* If the window has minimum size hints, make sure they are smaller - than the frame. */ - if (win->hints->flags & PMinSize) - { - if (win->hints->min_width > frame->width - || - win->hints->min_height > frame->height) - { - return 0; - } - } - - return 1; -} - -/* Search the list of mapped windows for a window that will fit in the - specified frame. */ -rp_window * -find_window_for_frame (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - int last_access = 0; - rp_window_elem *most_recent = NULL; - rp_window_elem *cur; - - list_for_each_entry (cur, &rp_current_group->mapped_windows, node) - { - if ((cur->win->scr == s || rp_have_xinerama) - && cur->win != current_window() - && !find_windows_frame (cur->win) - && cur->win->last_access >= last_access - && window_fits_in_frame (cur->win, frame) - && cur->win->frame_number == EMPTY) - { - most_recent = cur; - last_access = cur->win->last_access; - } - } - - if (most_recent) - return most_recent->win; - - return NULL; -} - -/* Splits the frame in 2. if way is 0 then split vertically otherwise - split it horizontally. */ -static void -split_frame (rp_frame *frame, int way, int pixels) -{ - rp_screen *s; - rp_window *win; - rp_frame *new_frame; - - s = frames_screen (frame); - - /* Make our new frame. */ - new_frame = frame_new (s); - - /* Add the frame to the frameset. */ - list_add (&new_frame->node, ¤t_frame()->node); - - set_frames_window (new_frame, NULL); - - if (way == HORIZONTALLY) - { - new_frame->x = frame->x; - new_frame->y = frame->y + pixels; - new_frame->width = frame->width; - new_frame->height = frame->height - pixels; - - frame->height = pixels; - } - else - { - new_frame->x = frame->x + pixels; - new_frame->y = frame->y; - new_frame->width = frame->width - pixels; - new_frame->height = frame->height; - - frame->width = pixels; - } - - win = find_window_for_frame (new_frame); - if (win) - { - PRINT_DEBUG (("Found a window for the frame!\n")); - - set_frames_window (new_frame, win); - - maximize (win); - unhide_window (win); - XRaiseWindow (dpy, win->w); - } - else - { - PRINT_DEBUG (("No window fits the frame.\n")); - - set_frames_window (new_frame, NULL); - } - - /* resize the existing frame */ - if (frame->win_number != EMPTY) - { - maximize_all_windows_in_frame (frame); - XRaiseWindow (dpy, find_window_number (frame->win_number)->w); - } - - update_bar (s); - show_frame_indicator(0); -} - -/* Splits the window vertically leaving the original with 'pixels' - pixels . */ -void -v_split_frame (rp_frame *frame, int pixels) -{ - split_frame (frame, VERTICALLY, pixels); -} - -/* Splits the frame horizontally leaving the original with 'pixels' - pixels . */ -void -h_split_frame (rp_frame *frame, int pixels) -{ - split_frame (frame, HORIZONTALLY, pixels); -} - -void -remove_all_splits (void) -{ - struct list_head *tmp, *iter; - rp_screen *s = current_screen(); - rp_frame *frame; - rp_window *win; - - /* Hide all the windows not in the current frame. */ - list_for_each_entry (win, &rp_mapped_window, node) - { - if (win->frame_number != s->current_frame && win->scr == s) - hide_window (win); - } - - /* Delete all the frames except the current one. */ - list_for_each_safe_entry (frame, iter, tmp, &s->frames, node) - { - if (frame->number != s->current_frame) - { - list_del (&frame->node); - frame_free (s, frame); - } - } - - /* Maximize the frame and the windows in the frame. */ - maximize_frame (current_frame()); - maximize_all_windows_in_frame (current_frame()); -} - -/* Shrink the size of the frame to fit it's current window. */ -void -resize_shrink_to_window (rp_frame *frame) -{ - rp_window *win; - - if (frame->win_number == EMPTY) return; - - win = find_window_number (frame->win_number); - - resize_frame_horizontally (frame, win->width + win->border*2 - frame->width); - resize_frame_vertically (frame, win->height + win->border*2 - frame->height); -} - -/* resize_frame is a generic frame resizer that can resize vertically, - horizontally, to the right, to the left, etc. It all depends on the - functions passed to it. Returns -1 if the resize failed, 0 for - success. */ -static int -resize_frame (rp_frame *frame, rp_frame *pusher, int diff, - int (*c1)(rp_frame *), int (c2)(rp_frame *), - int (*c3)(rp_frame *), int (c4)(rp_frame *), - void (*resize1)(rp_frame *, int), - void (*resize2)(rp_frame *, int), - int (*resize3)(rp_frame *, rp_frame *, int)) -{ - rp_screen *s = frames_screen (frame); - rp_frame *cur; - - /* Loop through the frames and determine which ones are affected by - resizing frame. */ - list_for_each_entry (cur, &s->frames, node) - { - if (cur == frame || cur == pusher) continue; - /* If cur is touching frame along the axis that is being - moved then this frame is affected by the resize. */ - if ((*c1)(cur) == (*c3)(frame)) - { - /* If the frame can't get any smaller, then fail. */ - if (diff > 0 - && abs ((*c3)(cur) - (*c1)(cur)) - diff <= defaults.window_border_width * 2) - return -1; - /* Test for this circumstance: - --+ - | |+-+ - |f||c| - | |+-+ - --+ - - In this case, resizing cur will not affect any other - frames, so just do the resize. - */ - if (((*c2)(cur) >= (*c2)(frame)) - && (*c4)(cur) <= (*c4)(frame)) - { - (*resize2)(cur, -diff); - maximize_all_windows_in_frame (cur); - } - /* Otherwise, cur's corners are either strictly outside - frame's corners, or one of them is inside and the other - isn't. In either of these cases, resizing cur will affect - other adjacent frames, so find them and resize them first - (recursive step) and then resize cur. */ - else if (((*c2)(cur) < (*c2)(frame) - && (*c4)(cur) > (*c4)(frame)) - || ((*c2)(cur) >= (*c2)(frame) - && (*c2)(cur) < (*c4)(frame)) - || ((*c4)(cur) > (*c2)(frame) - && (*c4)(cur) <= (*c4)(frame))) - { - /* Attempt to resize cur. */ - if (resize3 (cur, frame, -diff) == -1) - return -1; - } - } - } - - /* Finally, resize the frame and the windows inside. */ - (*resize1) (frame, diff); - maximize_all_windows_in_frame (frame); - - return 0; -} - -static int resize_frame_bottom (rp_frame *frame, rp_frame *pusher, int diff); -static int resize_frame_top (rp_frame *frame, rp_frame *pusher, int diff); -static int resize_frame_left (rp_frame *frame, rp_frame *pusher, int diff); -static int resize_frame_right (rp_frame *frame, rp_frame *pusher, int diff); - -/* Resize frame by moving it's right side. */ -static int -resize_frame_right (rp_frame *frame, rp_frame *pusher, int diff) -{ - return resize_frame (frame, pusher, diff, - frame_left, frame_top, frame_right, frame_bottom, - frame_resize_right, frame_resize_left, resize_frame_left); -} - -/* Resize frame by moving it's left side. */ -static int -resize_frame_left (rp_frame *frame, rp_frame *pusher, int diff) -{ - return resize_frame (frame, pusher, diff, - frame_right, frame_top, frame_left, frame_bottom, - frame_resize_left, frame_resize_right, resize_frame_right); -} - -/* Resize frame by moving it's top side. */ -static int -resize_frame_top (rp_frame *frame, rp_frame *pusher, int diff) -{ - return resize_frame (frame, pusher, diff, - frame_bottom, frame_left, frame_top, frame_right, - frame_resize_up, frame_resize_down, resize_frame_bottom); -} - -/* Resize frame by moving it's bottom side. */ -static int -resize_frame_bottom (rp_frame *frame, rp_frame *pusher, int diff) -{ - return resize_frame (frame, pusher, diff, - frame_top, frame_left, frame_bottom, frame_right, - frame_resize_down, frame_resize_up, resize_frame_top); -} - -/* Resize frame diff pixels by expanding it to the right. If the frame - is against the right side of the screen, expand it to the left. */ -void -resize_frame_horizontally (rp_frame *frame, int diff) -{ - int (*resize_fn)(rp_frame *, rp_frame*, int); - struct list_head *l; - rp_screen *s = frames_screen (frame); - - if (num_frames (s) < 2 || diff == 0) - return; - - if (frame_width (frame) + diff <= defaults.window_border_width * 2) - return; - - /* Find out which resize function to use. */ - if (frame_right (frame) < screen_right (s)) - { - resize_fn = resize_frame_right; - } - else if (frame_left (frame) > screen_left (s)) - { - resize_fn = resize_frame_left; - } - else - { - return; - } - - /* Copy the frameset. If the resize fails, then we restore the - original one. */ - l = screen_copy_frameset (s); - - if ((*resize_fn) (frame, NULL, diff) == -1) - { - screen_restore_frameset (s, l); - } - else - { - frameset_free (l); - } - - /* It's our responsibility to free this. */ - free (l); -} - -/* Resize frame diff pixels by expanding it down. If the frame is - against the bottom of the screen, expand it up. */ -void -resize_frame_vertically (rp_frame *frame, int diff) -{ - int (*resize_fn)(rp_frame *, rp_frame*, int); - struct list_head *l; - rp_screen *s = frames_screen (frame); - - if (num_frames (s) < 2 || diff == 0) - return; - - if (frame_height (frame) + diff <= defaults.window_border_width * 2) - return; - - /* Find out which resize function to use. */ - if (frame_bottom (frame) < screen_bottom (s)) - { - resize_fn = resize_frame_bottom; - } - else if (frame_top (frame) > screen_top (s)) - { - resize_fn = resize_frame_top; - } - else - { - return; - } - - /* Copy the frameset. If the resize fails, then we restore the - original one. */ - l = screen_copy_frameset (s); - - if ((*resize_fn) (frame, NULL, diff) == -1) - { - screen_restore_frameset (s, l); - } - else - { - frameset_free (l); - } - - /* It's our responsibility to free this. */ - free (l); -} - -static int -frame_is_below (rp_frame *src, rp_frame *frame) -{ - if (frame->y > src->y) return 1; - return 0; -} - -static int -frame_is_above (rp_frame *src, rp_frame *frame) -{ - if (frame->y < src->y) return 1; - return 0; -} - -static int -frame_is_left (rp_frame *src, rp_frame *frame) -{ - if (frame->x < src->x) return 1; - return 0; -} - -static int -frame_is_right (rp_frame *src, rp_frame *frame) -{ - if (frame->x > src->x) return 1; - return 0; -} - -static int -total_frame_area (rp_screen *s) -{ - int area = 0; - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - area += cur->width * cur->height; - } - - return area; -} - -/* Return 1 if frames f1 and f2 overlap */ -static int -frames_overlap (rp_frame *f1, rp_frame *f2) -{ - if (f1->x >= f2->x + f2->width - || f1->y >= f2->y + f2->height - || f2->x >= f1->x + f1->width - || f2->y >= f1->y + f1->height) - { - return 0; - } - return 1; -} - -/* Return 1 if w's frame overlaps any other window's frame */ -static int -frame_overlaps (rp_frame *frame) -{ - rp_screen *s; - rp_frame *cur; - - s = frames_screen (frame); - - list_for_each_entry (cur, &s->frames, node) - { - if (cur != frame && frames_overlap (cur, frame)) - { - return 1; - } - } - return 0; -} - -void -remove_frame (rp_frame *frame) -{ - rp_screen *s; - int area; - rp_frame *cur; - rp_window *win; - - if (frame == NULL) return; - - s = frames_screen (frame); - - area = total_frame_area(s); - PRINT_DEBUG (("Total Area: %d\n", area)); - - list_del (&frame->node); - win = find_window_number (frame->win_number); - hide_window (win); - hide_others (win); - - list_for_each_entry (cur, &s->frames, node) - { - rp_frame tmp_frame; - int fits = 0; - -/* if (cur->win_number != EMPTY) */ -/* { */ -/* PRINT_DEBUG (("Trying frame containing window '%s'\n", window_name (cur->win))); */ -/* } */ -/* else */ -/* { */ -/* PRINT_DEBUG (("Trying some empty frame\n")); */ -/* } */ - - /* Backup the frame */ - memcpy (&tmp_frame, cur, sizeof (rp_frame)); - - if (frame_is_below (frame, cur) - || frame_is_above (frame, cur)) - { - if (frame_is_below (frame, cur)) - cur->y = frame->y; - cur->height += frame->height; - } - - PRINT_DEBUG (("Attempting vertical Frame y=%d height=%d\n", cur->y, cur->height)); - PRINT_DEBUG (("New Total Area: %d\n", total_frame_area(s))); - - /* If the area is bigger than before, the frame takes up too - much space. If the current frame and the deleted frame DON'T - overlap then the current window took up just the right amount - of space but didn't take up the space left behind by the - deleted window. If any active frames overlap, it could have - taken up the right amount of space, overlaps with the deleted - frame but obviously didn't fit. */ - if (total_frame_area(s) > area || !frames_overlap (cur, frame) || frame_overlaps (cur)) - { - PRINT_DEBUG (("Didn't fit vertically\n")); - - /* Restore the current window's frame */ - memcpy (cur, &tmp_frame, sizeof (rp_frame)); - } - else - { - PRINT_DEBUG (("It fit vertically!!\n")); - - /* update the frame backup */ - memcpy (&tmp_frame, cur, sizeof (rp_frame)); - fits = 1; - } - - if (frame_is_left (frame, cur) - || frame_is_right (frame, cur)) - { - if (frame_is_right (frame, cur)) - cur->x = frame->x; - cur->width += frame->width; - } - - PRINT_DEBUG (("Attempting horizontal Frame x=%d width=%d\n", cur->x, cur->width)); - PRINT_DEBUG (("New Total Area: %d\n", total_frame_area(s))); - - /* Same test as the vertical test, above. */ - if (total_frame_area(s) > area || !frames_overlap (cur, frame) || frame_overlaps (cur)) - { - PRINT_DEBUG (("Didn't fit horizontally\n")); - - /* Restore the current window's frame */ - memcpy (cur, &tmp_frame, sizeof (rp_frame)); - } - else - { - PRINT_DEBUG (("It fit horizontally!!\n")); - fits = 1; - } - - if (fits) - { - /* The current frame fits into the new space so keep its - new frame parameters and maximize the window to fit - the new frame size. */ - if (cur->win_number != EMPTY) - { - rp_window *new = find_window_number (cur->win_number); - maximize_all_windows_in_frame (cur); - XRaiseWindow (dpy, new->w); - } - } - else - { - memcpy (cur, &tmp_frame, sizeof (rp_frame)); - } - } - - frame_free (s, frame); -} - -/* Switch the input focus to another frame, and therefore a different - window. */ -void -set_active_frame (rp_frame *frame, int force_indicator) -{ - rp_screen *old_s = current_screen(); - rp_screen *s = frames_screen (frame); - int old = current_screen()->current_frame; - rp_window *win, *old_win; - rp_frame *old_frame; - - win = find_window_number (frame->win_number); - old_frame = current_frame(); - if (old_frame) - { - old_win = find_window_number (old_frame->win_number); - } - else - { - old_win = NULL; - } - - /* Make the switch */ - give_window_focus (win, old_win); - update_last_access (frame); - s->current_frame = frame->number; - - /* If frame->win == NULL, then rp_current_screen is not updated. */ - rp_current_screen = s->xine_screen_num; - - update_bar (s); - - /* Possibly show the frame indicator. */ - if ((old != s->current_frame && num_frames(s) > 1) - || s != old_s) - { - show_frame_indicator(force_indicator); - - /* run the frame switch hook. We call it in here because this is - when a frame switch ACTUALLY (for sure) happens. */ - hook_run (&rp_switch_frame_hook); - } - - /* If the frame has no window to give focus to, give the key window - focus. */ - if(frame->win_number == EMPTY) - { - set_window_focus (s->key_window); - } - - /* Call the switchscreen hook, when appropriate. */ - if (s != old_s) - hook_run (&rp_switch_screen_hook); -} - -void -exchange_with_frame (rp_frame *cur, rp_frame *frame) -{ - rp_window *win,*last_win; - - if (frame == NULL || frame == cur) return; - - /* Exchange the windows in the frames */ - win = find_window_number (cur->win_number); - last_win = set_frames_window (frame, win); - set_frames_window (cur, last_win); - - /* Make sure the windows comes up full screen */ - if (last_win) - maximize (last_win); - if (win) - { - maximize (win); - /* Make sure the program bar is always on the top */ - update_window_names (win->scr, defaults.window_fmt); - } - - /* Make the switch */ - update_last_access (frame); - - set_active_frame(frame, 0); -} - - -void -blank_frame (rp_frame *frame) -{ - rp_screen *s; - rp_window *win; - - if (frame->win_number == EMPTY) return; - - s = frames_screen (frame); - - win = find_window_number (frame->win_number); - hide_window (win); - hide_others (win); - - set_frames_window (frame, NULL); - - update_bar (s); - - /* Give the key window focus. */ - set_window_focus (frames_screen(frame)->key_window); -} - -void -hide_frame_indicator (void) -{ - int i; - for (i=0; i<num_screens; i++) - XUnmapWindow (dpy, screens[i].frame_window); -} - -void -show_frame_indicator (int force) -{ - if (num_frames (current_screen()) > 1 || force) - { - hide_frame_indicator (); - show_frame_message (defaults.frame_fmt); - alarm (defaults.frame_indicator_timeout); - } -} - -void -show_frame_message (char *msg) -{ - rp_screen *s = current_screen (); - int width, height; - rp_frame *frame; - rp_window *win; - rp_window_elem *elem = NULL; - struct sbuf *msgbuf; - - frame = current_frame(); - win = current_window (); - if (win) - { - rp_group *g; - - g = groups_find_group_by_window (win); - elem = group_find_window (&g->mapped_windows, win); - } - - /* A frame doesn't always contain a window. */ - msgbuf = sbuf_new (0); - if (elem) - format_string (msg, elem, msgbuf); - else - { - sbuf_concat (msgbuf, EMPTY_FRAME_MESSAGE); - } - - width = defaults.bar_x_padding * 2 - + rp_text_width (s, msgbuf->data, msgbuf->len); - height = (FONT_HEIGHT (s) + defaults.bar_y_padding * 2); - - /* We don't want another frame indicator to be displayed on another - * screen at the same time, so we hide it before bringing it back again. - */ - hide_frame_indicator (); - - XMoveResizeWindow (dpy, s->frame_window, - s->left + frame->x + frame->width / 2 - width / 2, - s->top + frame->y + frame->height / 2 - height / 2, - width, height); - - XMapRaised (dpy, s->frame_window); - XClearWindow (dpy, s->frame_window); - XSync (dpy, False); - - rp_draw_string (s, s->frame_window, STYLE_NORMAL, - defaults.bar_x_padding, - defaults.bar_y_padding + FONT_ASCENT(s), - msgbuf->data, msgbuf->len); - - sbuf_free (msgbuf); -} - -rp_frame * -find_frame_up (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - if (frame->y == cur->y + cur->height) - { - if (frame->x >= cur->x && frame->x < cur->x + cur->width) - return cur; - } - } - - return NULL; -} - -rp_frame * -find_frame_down (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - if (frame->y + frame->height == cur->y) - { - if (frame->x >= cur->x && frame->x < cur->x + cur->width) - return cur; - } - } - - return NULL; -} - -rp_frame * -find_frame_left (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - if (frame->x == cur->x + cur->width) - { - if (frame->y >= cur->y && frame->y < cur->y + cur->height) - return cur; - } - } - - return NULL; -} - -rp_frame * -find_frame_right (rp_frame *frame) -{ - rp_screen *s = frames_screen (frame); - rp_frame *cur; - - list_for_each_entry (cur, &s->frames, node) - { - if (frame->x + frame->width == cur->x) - { - if (frame->y >= cur->y && frame->y < cur->y + cur->height) - return cur; - } - } - - return NULL; -} - -rp_frame * -find_frame_number (int num) -{ - int i; - rp_frame *cur; - - for (i=0; i<num_screens; i++) - { - rp_screen *s = &screens[i]; - - list_for_each_entry (cur, &s->frames, node) - { - if (cur->number == num) - return cur; - } - } - - return NULL; -} |