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eeshow/gui.c (curr_sheet_size): also support diff mode

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This commit is contained in:
Werner Almesberger 2016-08-09 11:20:54 -03:00
parent eff0ad4860
commit 20c821f0ba
1 changed files with 23 additions and 3 deletions
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22
eeshow/gui.c
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@ -46,7 +46,7 @@ struct gui_sheet {
const struct sheet *sch;
struct cro_ctx *gfx_ctx;
int w, h;
int w, h; /* in eeschema coordinates */
int xmin, ymin;
bool rendered; /* 0 if still have to render it */
@ -322,9 +322,29 @@ static void zoom_out(struct gui_ctx *ctx, int x, int y)
static void curr_sheet_size(struct gui_ctx *ctx, int *w, int *h)
{
const struct gui_sheet *sheet = ctx->curr_sheet;
int ax1, ay1, bx1, by1;
if (!ctx->last_hist) {
*w = sheet->w;
*h = sheet->h;
} else {
const struct gui_sheet *last =
find_corresponding_sheet(ctx->last_hist->sheets,
ctx->curr_hist->sheets, sheet);
/*
* We're only interested in differences here, so no need for
* the usual "-1" in x1 = x0 + w - 1
*/
ax1 = sheet->xmin + sheet->w;
ay1 = sheet->ymin + sheet->h;
bx1 = last->xmin + last->w;
by1 = last->ymin + last->h;
*w = (ax1 > bx1 ? ax1 : bx1) -
(sheet->xmin < last->xmin ? sheet->xmin : last->xmin);
*h = (ay1 > by1 ? ay1 : by1) -
(sheet->ymin < last->ymin ? sheet->ymin : last->ymin);
}
}