mirror of
git://projects.qi-hardware.com/eda-tools.git
synced 2024-11-27 01:59:42 +02:00
481 lines
9.9 KiB
C
481 lines
9.9 KiB
C
/*
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* gui/sheet.c - Sheet navigation
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include "file/git-hist.h"
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#include "kicad/sch.h"
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#include "kicad/delta.h"
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#include "gui/fmt-pango.h"
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#include "gui/style.h"
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#include "gui/aoi.h"
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#include "gui/over.h"
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#include "gui/input.h"
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#include "gui/common.h"
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/* ----- Tools ------------------------------------------------------------- */
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static void canvas_coord(const struct gui_ctx *ctx,
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int ex, int ey, int *x, int *y)
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{
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GtkAllocation alloc;
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int sx, sy;
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gtk_widget_get_allocation(ctx->da, &alloc);
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sx = ex - alloc.width / 2;
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sy = ey - alloc.height / 2;
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*x = (sx << ctx->zoom) + ctx->x;
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*y = (sy << ctx->zoom) + ctx->y;
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}
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/* ----- Zoom -------------------------------------------------------------- */
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static bool zoom_in(struct gui_ctx *ctx, int x, int y)
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{
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if (ctx->zoom == 0)
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return 0;
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ctx->zoom--;
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ctx->x = (ctx->x + x) / 2;
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ctx->y = (ctx->y + y) / 2;
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redraw(ctx);
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return 1;
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}
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static bool zoom_out(struct gui_ctx *ctx, int x, int y)
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{
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if (ctx->curr_sheet->w >> ctx->zoom <= 16)
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return 0;
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ctx->zoom++;
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ctx->x = 2 * ctx->x - x;
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ctx->y = 2 * ctx->y - y;
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redraw(ctx);
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return 1;
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}
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static void curr_sheet_size(struct gui_ctx *ctx, int *w, int *h)
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{
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const struct gui_sheet *sheet = ctx->curr_sheet;
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int ax1, ay1, bx1, by1;
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if (!ctx->old_hist) {
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*w = sheet->w;
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*h = sheet->h;
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} else {
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const struct gui_sheet *old =
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find_corresponding_sheet(ctx->old_hist->sheets,
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ctx->new_hist->sheets, sheet);
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/*
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* We're only interested in differences here, so no need for
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* the usual "-1" in x1 = x0 + w - 1
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*/
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ax1 = sheet->xmin + sheet->w;
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ay1 = sheet->ymin + sheet->h;
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bx1 = old->xmin + old->w;
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by1 = old->ymin + old->h;
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*w = (ax1 > bx1 ? ax1 : bx1) -
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(sheet->xmin < old->xmin ? sheet->xmin : old->xmin);
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*h = (ay1 > by1 ? ay1 : by1) -
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(sheet->ymin < old->ymin ? sheet->ymin : old->ymin);
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}
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}
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static void zoom_to_extents(struct gui_ctx *ctx)
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{
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GtkAllocation alloc;
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int w, h;
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curr_sheet_size(ctx, &w, &h);
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ctx->x = w / 2;
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ctx->y = h / 2;
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gtk_widget_get_allocation(ctx->da, &alloc);
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ctx->zoom = 0;
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while (w >> ctx->zoom > alloc.width || h >> ctx->zoom > alloc.height)
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ctx->zoom++;
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redraw(ctx);
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}
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/* ----- Revision selection overlays --------------------------------------- */
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static bool show_history_details(void *user, bool on)
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{
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struct gui_hist *h = user;
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struct gui_ctx *ctx = h->ctx;
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char *s;
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if (on) {
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s = vcs_git_long_for_pango(h->vcs_hist, fmt_pango);
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overlay_text_raw(h->over, s);
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free(s);
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} else {
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overlay_text(h->over, "%.40s", vcs_git_summary(h->vcs_hist));
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}
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redraw(ctx);
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return 1;
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}
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static void show_history_cb(void *user)
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{
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struct gui_hist *h = user;
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struct gui_ctx *ctx = h->ctx;
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enum selecting sel = sel_only;
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if (ctx->old_hist)
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sel = h == ctx->new_hist ? sel_new : sel_old;
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show_history(ctx, sel);
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}
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static void revision_overlays_diff(struct gui_ctx *ctx)
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{
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struct gui_hist *new = ctx->new_hist;
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struct gui_hist *old = ctx->old_hist;
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new->over = overlay_add(&ctx->hist_overlays, &ctx->aois,
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show_history_details, show_history_cb, new);
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overlay_style(new->over, &overlay_style_diff_new);
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show_history_details(new, 0);
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old->over = overlay_add(&ctx->hist_overlays, &ctx->aois,
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show_history_details, show_history_cb, old);
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overlay_style(old->over, &overlay_style_diff_old);
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show_history_details(old, 0);
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}
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void do_revision_overlays(struct gui_ctx *ctx)
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{
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overlay_remove_all(&ctx->hist_overlays);
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if (ctx->old_hist) {
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revision_overlays_diff(ctx);
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} else {
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ctx->new_hist->over = overlay_add(&ctx->hist_overlays,
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&ctx->aois, show_history_details, show_history_cb,
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ctx->new_hist);
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overlay_style(ctx->new_hist->over, &overlay_style_default);
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show_history_details(ctx->new_hist, 0);
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}
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}
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/* ----- Sheet selection overlays ------------------------------------------ */
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static void close_subsheet(void *user)
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{
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struct gui_sheet *sheet = user;
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struct gui_ctx *ctx = sheet->ctx;
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go_to_sheet(ctx, sheet);
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}
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static bool hover_sheet(void *user, bool on)
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{
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struct gui_sheet *sheet = user;
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struct gui_ctx *ctx = sheet->ctx;
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const char *title = sheet->sch->title;
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if (!title)
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title = "(unnamed)";
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if (on) {
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const struct gui_sheet *s;
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int n = 0, this = -1;
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for (s = ctx->new_hist->sheets; s; s = s->next) {
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n++;
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if (s == sheet)
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this = n;
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}
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overlay_text(sheet->over, "<b>%s</b>\n<big>%d / %d</big>",
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title, this, n);
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} else {
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overlay_text(sheet->over, "<b>%s</b>", title);
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}
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redraw(ctx);
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return 1;
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}
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static struct gui_sheet *find_parent_sheet(struct gui_sheet *sheets,
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const struct gui_sheet *ref)
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{
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struct gui_sheet *parent;
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const struct sch_obj *obj;
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for (parent = sheets; parent; parent = parent->next)
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for (obj = parent->sch->objs; obj; obj = obj->next)
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if (obj->type == sch_obj_sheet &&
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obj->u.sheet.sheet == ref->sch)
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return parent;
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return NULL;
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}
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static void sheet_selector_recurse(struct gui_ctx *ctx, struct gui_sheet *sheet)
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{
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struct gui_sheet *parent;
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parent = find_parent_sheet(ctx->new_hist->sheets, sheet);
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if (parent)
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sheet_selector_recurse(ctx, parent);
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sheet->over = overlay_add(&ctx->sheet_overlays, &ctx->aois,
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hover_sheet, close_subsheet, sheet);
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hover_sheet(sheet, 0);
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}
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static void do_sheet_overlays(struct gui_ctx *ctx)
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{
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overlay_remove_all(&ctx->sheet_overlays);
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sheet_selector_recurse(ctx, ctx->curr_sheet);
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}
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/* ----- Navigate sheets --------------------------------------------------- */
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void go_to_sheet(struct gui_ctx *ctx, struct gui_sheet *sheet)
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{
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aoi_dehover();
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overlay_remove_all(&ctx->pop_overlays);
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overlay_remove_all(&ctx->pop_underlays);
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if (!sheet->rendered) {
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render_sheet(sheet);
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mark_aois(ctx, sheet);
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}
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ctx->curr_sheet = sheet;
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if (ctx->old_hist)
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render_delta(ctx);
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if (ctx->vcs_hist)
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do_revision_overlays(ctx);
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do_sheet_overlays(ctx);
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zoom_to_extents(ctx);
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}
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static bool go_up_sheet(struct gui_ctx *ctx)
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{
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struct gui_sheet *parent;
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parent = find_parent_sheet(ctx->new_hist->sheets, ctx->curr_sheet);
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if (!parent)
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return 0;
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go_to_sheet(ctx, parent);
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return 1;
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}
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static bool go_prev_sheet(struct gui_ctx *ctx)
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{
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struct gui_sheet *sheet;
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for (sheet = ctx->new_hist->sheets; sheet; sheet = sheet->next)
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if (sheet->next && sheet->next == ctx->curr_sheet) {
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go_to_sheet(ctx, sheet);
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return 1;
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}
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return 0;
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}
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static bool go_next_sheet(struct gui_ctx *ctx)
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{
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if (!ctx->curr_sheet->next)
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return 0;
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go_to_sheet(ctx, ctx->curr_sheet->next);
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return 1;
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}
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/* ----- Input ------------------------------------------------------------- */
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static bool sheet_click(void *user, int x, int y)
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{
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struct gui_ctx *ctx = user;
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const struct gui_sheet *curr_sheet = ctx->curr_sheet;
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int ex, ey;
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canvas_coord(ctx, x, y, &ex, &ey);
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if (aoi_click(ctx->aois, x, y))
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return 1;
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if (aoi_click(curr_sheet->aois,
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ex + curr_sheet->xmin, ey + curr_sheet->ymin))
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return 1;
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overlay_remove_all(&ctx->pop_overlays);
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overlay_remove_all(&ctx->pop_underlays);
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redraw(ctx);
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return 1;
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}
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static bool sheet_hover_update(void *user, int x, int y)
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{
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struct gui_ctx *ctx = user;
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const struct gui_sheet *curr_sheet = ctx->curr_sheet;
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int ex, ey;
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canvas_coord(ctx, x, y, &ex, &ey);
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if (aoi_hover(ctx->aois, x, y))
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return 1;
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return aoi_hover(curr_sheet->aois,
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ex + curr_sheet->xmin, ey + curr_sheet->ymin);
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}
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static bool sheet_drag_begin(void *user, int x, int y)
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{
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dehover_glabel(user);
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return 1;
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}
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static void sheet_drag_move(void *user, int dx, int dy)
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{
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struct gui_ctx *ctx = user;
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ctx->x -= dx << ctx->zoom;
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ctx->y -= dy << ctx->zoom;
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redraw(ctx);
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}
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static void sheet_drag_end(void *user)
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{
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input_update();
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}
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static void sheet_scroll(void *user, int x, int y, int dy)
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{
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struct gui_ctx *ctx = user;
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int ex, ey;
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canvas_coord(ctx, x, y, &ex, &ey);
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if (dy < 0) {
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if (!zoom_in(ctx, ex, ey))
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return;
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} else {
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if (!zoom_out(ctx, ex, ey))
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return;
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}
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dehover_glabel(ctx);
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input_update();
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}
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static void sheet_key(void *user, int x, int y, int keyval)
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{
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struct gui_ctx *ctx = user;
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struct gui_sheet *sheet = ctx->curr_sheet;
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int ex, ey;
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canvas_coord(ctx, x, y, &ex, &ey);
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switch (keyval) {
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case '+':
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case '=':
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zoom_in(ctx, x, y);
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break;
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case '-':
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zoom_out(ctx, x, y);
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break;
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case '*':
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zoom_to_extents(ctx);
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break;
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case GDK_KEY_Home:
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if (sheet != ctx->new_hist->sheets)
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go_to_sheet(ctx, ctx->new_hist->sheets);
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break;
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case GDK_KEY_BackSpace:
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case GDK_KEY_Delete:
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go_up_sheet(ctx);
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break;
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case GDK_KEY_Page_Up:
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case GDK_KEY_KP_Page_Up:
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go_prev_sheet(ctx);
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break;
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case GDK_KEY_Page_Down:
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case GDK_KEY_KP_Page_Down:
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go_next_sheet(ctx);
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break;
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case GDK_KEY_Up:
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case GDK_KEY_KP_Up:
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show_history(ctx, sel_new);
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break;
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case GDK_KEY_Down:
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case GDK_KEY_KP_Down:
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show_history(ctx, sel_old);
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break;
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case GDK_KEY_q:
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gtk_main_quit();
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}
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}
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static const struct input_ops sheet_input_ops = {
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.click = sheet_click,
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.hover_begin = sheet_hover_update,
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.hover_update = sheet_hover_update,
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.hover_click = sheet_click,
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.scroll = sheet_scroll,
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.drag_begin = sheet_drag_begin,
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.drag_move = sheet_drag_move,
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.drag_end = sheet_drag_end,
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.key = sheet_key,
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};
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/* ----- Event handlers ---------------------------------------------------- */
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static void size_allocate_event(GtkWidget *widget, GdkRectangle *allocation,
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gpointer data)
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{
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struct gui_ctx *ctx = data;
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zoom_to_extents(ctx);
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}
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/* ----- Initialization ---------------------------------------------------- */
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void sheet_setup(struct gui_ctx *ctx)
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{
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g_signal_connect(G_OBJECT(ctx->da), "size_allocate",
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G_CALLBACK(size_allocate_event), ctx);
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input_push(&sheet_input_ops, ctx);
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}
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