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Correctly support NORESIZE flag for frames (partially fix 1593228)

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svn path=/trunk/netsurf/; revision=3100
This commit is contained in:
Richard Wilson 2006-12-03 19:47:07 +00:00
parent d18f49f004
commit 74115a7a0d
1 changed files with 27 additions and 8 deletions
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35
desktop/frames.c
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@ -563,13 +563,15 @@ bool browser_window_resolve_frame_dimension(struct browser_window *bw, struct br
bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state mouse, int x, int y,
gui_pointer_shape *pointer, const char **status, bool *action) {
struct browser_window *parent;
bool left, right, up, down;
int i, resize_margin;
if ((x < bw->x0) || (x > bw->x1) || (y < bw->y0) || (y > bw->y1))
return false;
if ((!bw->no_resize) && (bw->parent)) {
parent = bw->parent;
if ((!bw->no_resize) && parent) {
resize_margin = FRAME_RESIZE;
if (resize_margin * 2 > (bw->x1 - bw->x0))
resize_margin = (bw->x1 - bw->x0) / 2;
@ -591,21 +593,38 @@ bool browser_window_resize_frames(struct browser_window *bw, browser_mouse_state
break;
case BROWSER_WINDOW_FRAME:
case BROWSER_WINDOW_FRAMESET:
assert(bw->parent);
break;
}
for (i = 0; i < (bw->parent->cols * bw->parent->rows); i++) {
if (&bw->parent->children[i] == bw) {
col = i % bw->parent->cols;
row = i / bw->parent->cols;
for (i = 0; i < (parent->cols * parent->rows); i++) {
if (&parent->children[i] == bw) {
col = i % parent->cols;
row = i / parent->cols;
break;
}
}
assert((row >= 0) && (col >= 0));
/* check the sibling frame is within bounds */
left &= (col > 0);
right &= (col < bw->parent->cols - 1) & (!left);
right &= (col < parent->cols - 1);
up &= (row > 0);
down &= (row < bw->parent->rows - 1) & (!up);
down &= (row < parent->rows - 1);
/* check the sibling frames can be resized */
if (left)
left &= !parent->children[row * parent->cols + (col - 1)].no_resize;
if (right)
right &= !parent->children[row * parent->cols + (col + 1)].no_resize;
if (up)
up &= !parent->children[(row - 1) * parent->cols + col].no_resize;
if (down)
down &= !parent->children[(row + 1) * parent->cols + col].no_resize;
/* can't have opposite directions simultaneously */
if (up)
down = false;
if (left)
right = false;
}
if (left || right || up || down) {