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eeshow/gui.c: newer revision is on top and in diffs it's green

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This commit is contained in:
Werner Almesberger 2016-08-09 14:16:05 -03:00
parent afe744c63e
commit 29f4db55ed
1 changed files with 34 additions and 13 deletions
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47
eeshow/gui.c
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@ -61,6 +61,7 @@ struct gui_hist {
struct hist *hist;
struct overlay *over; /* current overlay */
struct gui_sheet *sheets; /* NULL if failed */
unsigned age; /* 0-based; uncommitted or HEAD = 0 */
struct gui_hist *next;
};
@ -145,12 +146,14 @@ static struct gui_sheet *find_corresponding_sheet(struct gui_sheet *pick_from,
static void hack(const struct gui_ctx *ctx, cairo_t *cr)
{
const struct gui_sheet *a = ctx->curr_sheet;
const struct gui_sheet *b = find_corresponding_sheet(
const struct gui_sheet *new = ctx->curr_sheet;
const struct gui_sheet *old = find_corresponding_sheet(
ctx->last_hist->sheets, ctx->curr_hist->sheets, ctx->curr_sheet);
if (ctx->curr_hist->age > ctx->last_hist->age)
swap(new, old);
diff_to_canvas(cr, ctx->x, ctx->y, 1.0 / (1 << ctx->zoom),
a->gfx_ctx, b->gfx_ctx);
old->gfx_ctx, new->gfx_ctx);
}
@ -518,24 +521,39 @@ static bool show_history_details(void *user, bool on)
}
static void revision_overlays_diff(struct gui_ctx *ctx)
{
struct gui_hist *new = ctx->curr_hist;
struct gui_hist *old = ctx->last_hist;
if (new->age > old->age)
swap(old, new);
new->over = overlay_add(&ctx->hist_overlays, &ctx->aois,
show_history_details, show_history_cb, new);
overlay_style(new->over, &overlay_style_diff_new);
show_history_details(new, 0);
old->over = overlay_add(&ctx->hist_overlays, &ctx->aois,
show_history_details, click_history, old);
overlay_style(old->over, &overlay_style_diff_old);
show_history_details(old, 0);
}
static void do_revision_overlays(struct gui_ctx *ctx)
{
overlay_remove_all(&ctx->hist_overlays);
if (ctx->curr_hist) {
if (ctx->last_hist) {
revision_overlays_diff(ctx);
} else {
ctx->curr_hist->over = overlay_add(&ctx->hist_overlays,
&ctx->aois, show_history_details, show_history_cb,
ctx->curr_hist);
overlay_style(ctx->curr_hist->over, &overlay_style_default);
show_history_details(ctx->curr_hist, 0);
}
if (ctx->last_hist) {
ctx->last_hist->over = overlay_add(&ctx->hist_overlays,
&ctx->aois, show_history_details, click_history,
ctx->last_hist);
overlay_style(ctx->curr_hist->over, &overlay_style_diff_new);
overlay_style(ctx->last_hist->over, &overlay_style_diff_old);
show_history_details(ctx->last_hist, 0);
}
}
@ -938,16 +956,19 @@ static void add_hist(void *user, struct hist *h)
struct gui_ctx *ctx = ahc->ctx;
struct gui_hist **anchor;
const struct sheet *sch;
unsigned age = 0;
if (!ahc->limit)
return;
ahc->limit--;
for (anchor = &ctx->hist; *anchor; anchor = &(*anchor)->next);
for (anchor = &ctx->hist; *anchor; anchor = &(*anchor)->next)
age++;
*anchor = alloc_type(struct gui_hist);
(*anchor)->ctx = ctx;
(*anchor)->hist = h;
sch = parse_sheets(h, ahc->n_args, ahc->args, ahc->recurse);
(*anchor)->sheets = sch ? get_sheets(ctx, sch) : NULL;
(*anchor)->age = age;
(*anchor)->next = NULL;
}