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Fix frame dimension calculations when required sizes don't fit the available space. 

svn path=/trunk/netsurf/; revision=13271
This commit is contained in:
Michael Drake 2011-12-14 18:31:57 +00:00
parent de8849fd09
commit 41ef599293
1 changed files with 40 additions and 14 deletions
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54
desktop/frames.c
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@ -402,7 +402,7 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
int row, row2, col, index;
struct browser_window *window;
float relative;
int size, extent;
int size, extent, applied;
int x, y;
int new_width, new_height;
@ -462,14 +462,17 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
avail_width -= widths[col][row];
}
/* try to distribute remainder to relative values in preference */
/* distribute remainder to relative values in preference */
if ((relative > 0) && (avail_width > 0)) {
for (col = 0; col < bw->cols; col++) {
index = (row * bw->cols) + col;
window = &bw->children[index];
if (window->frame_width.unit == FRAME_DIMENSION_RELATIVE) {
size = avail_width * window->frame_width.value / relative;
if (window->frame_width.unit ==
FRAME_DIMENSION_RELATIVE) {
size = avail_width * window->
frame_width.value /
relative;
avail_width -= size;
relative -= window->frame_width.value;
widths[col][row] += size;
@ -477,13 +480,23 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
}
} else if (bw_width != avail_width) {
/* proportionally distribute error */
extent = bw_width - avail_width;
extent = avail_width;
applied = 0;
for (col = 0; col < bw->cols; col++) {
if (col == bw->cols - 1) {
widths[col][row] = bw_width;
size = extent - applied;
widths[col][row] += (size > 0) ?
size : 0;
} else {
size = bw_width * widths[col][row] / extent;
widths[col][row] = size;
/* Intermediate step: get absolute
* extent value */
size = extent < 0 ? -extent : extent;
/* Find size of cell adjustment */
size = (widths[col][row] * extent) /
(bw_width - size);
applied += size;
widths[col][row] += size;
}
}
}
@ -538,8 +551,11 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
index = (row * bw->cols) + col;
window = &bw->children[index];
if (window->frame_height.unit == FRAME_DIMENSION_RELATIVE) {
size = avail_height * window->frame_height.value / relative;
if (window->frame_height.unit ==
FRAME_DIMENSION_RELATIVE) {
size = avail_height * window->
frame_height.value /
relative;
avail_height -= size;
relative -= window->frame_height.value;
heights[col][row] += size;
@ -547,13 +563,23 @@ void browser_window_recalculate_frameset(struct browser_window *bw) {
}
} else if (bw_height != avail_height) {
/* proportionally distribute error */
extent = bw_height - avail_height;
extent = avail_height;
applied = 0;
for (row = 0; row < bw->rows; row++) {
if (row == bw->rows - 1) {
heights[col][row] = bw_height;
size = extent - applied;
heights[col][row] += (size > 0) ?
size : 0;
} else {
size = bw_height * heights[col][row] / extent;
heights[col][row] = size;
/* Intermediate step: get absolute
* extent value */
size = extent < 0 ? -extent : extent;
/* Find size of cell adjustment */
size = (heights[col][row] * extent) /
(bw_height - size);
applied += size;
heights[col][row] += size;
}
}
}