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eeshow/gui/render.c (hack): experimental highlighting of changed sub-sheets
This doesn't quite work yet, due to delta's sheet_eq being overzealous. But we get the foot in :)
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@ -74,7 +74,7 @@ static inline int cy(int y, int yo, float scale)
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static void highlight_glabel(const struct gui_ctx *ctx,
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const struct gui_sheet *sheet, cairo_t *cr, int x, int y, float f)
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const struct gui_sheet *sheet, cairo_t *cr, int xo, int yo, float f)
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{
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const struct sch_obj *obj;
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@ -90,8 +90,8 @@ static void highlight_glabel(const struct gui_ctx *ctx,
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continue;
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cairo_rectangle(cr,
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cx(bbox->x, x, f) - GLABEL_HIGHLIGHT_PAD,
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cy(bbox->y, y, f) - GLABEL_HIGHLIGHT_PAD,
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cx(bbox->x, xo, f) - GLABEL_HIGHLIGHT_PAD,
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cy(bbox->y, yo, f) - GLABEL_HIGHLIGHT_PAD,
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cd(bbox->w, f) + 2 * GLABEL_HIGHLIGHT_PAD,
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cd(bbox->h, f) + 2 * GLABEL_HIGHLIGHT_PAD);
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cairo_set_source_rgb(cr, 1, 0.8, 1);
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@ -103,14 +103,48 @@ static void highlight_glabel(const struct gui_ctx *ctx,
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/* ----- Draw to screen ---------------------------------------------------- */
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static void hack(const struct gui_ctx *ctx, cairo_t *cr)
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/*
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* @@@ the highlighting of sub-sheets possibly containing changes is very
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* unreliable since sheet_eq (from delta) responds to a lot of purely
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* imaginary changes. However, this will be a good way to exercise and improve
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* delta.
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*/
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static void hack(const struct gui_ctx *ctx, cairo_t *cr,
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int xo, int yo, float f)
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{
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const struct gui_sheet *new = ctx->curr_sheet;
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const struct gui_sheet *old = find_corresponding_sheet(
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ctx->old_hist->sheets, ctx->new_hist->sheets, ctx->curr_sheet);
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const struct sch_obj *obj;
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struct area *areas = NULL;
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for (obj = new->sch->objs; obj; obj = obj->next) {
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const struct gui_sheet *new_sub;
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const struct gui_sheet *old_sub;
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if (obj->type != sch_obj_sheet)
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continue;
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if (!obj->u.sheet.sheet)
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continue;
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for (new_sub = ctx->new_hist->sheets;
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new_sub && new_sub->sch != obj->u.sheet.sheet;
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new_sub = new_sub->next);
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if (!new_sub)
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continue;
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old_sub = find_corresponding_sheet(ctx->old_hist->sheets,
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ctx->new_hist->sheets, new_sub);
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if (!sheet_eq(new_sub->sch, old_sub->sch))
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add_area(&areas, cx(obj->x, xo, f), cy(obj->y, yo, f),
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cx(obj->x + obj->u.sheet.w, xo, f),
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cy(obj->y + obj->u.sheet.h, yo, f), 0xffff00);
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}
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diff_to_canvas(cr, ctx->x, ctx->y, 1.0 / (1 << ctx->zoom),
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old->gfx_ctx, new->gfx_ctx, NULL);
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old->gfx_ctx, new->gfx_ctx, areas);
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free_areas(&areas);
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}
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@ -143,7 +177,7 @@ static gboolean on_draw_event(GtkWidget *widget, cairo_t *cr,
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cro_canvas_draw(ctx->delta_a.gfx_ctx, cr, x, y, f);
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cro_canvas_draw(ctx->delta_b.gfx_ctx, cr, x, y, f);
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#endif
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hack(ctx, cr);
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hack(ctx, cr, x, y, f);
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}
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overlay_draw_all(ctx->sheet_overlays, cr,
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