/* * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Chris Lahey * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #ifdef HAVE_CONFIG_H #include #endif #include "e-canvas-utils.h" void e_canvas_item_move_absolute (GnomeCanvasItem *item, gdouble dx, gdouble dy) { cairo_matrix_t translate; g_return_if_fail (GNOME_IS_CANVAS_ITEM (item)); cairo_matrix_init_translate (&translate, dx, dy); gnome_canvas_item_set_matrix (item, &translate); } static double compute_offset (gint top, gint bottom, gint page_top, gint page_bottom) { gint size = bottom - top; gint offset = 0; if (top <= page_top && bottom >= page_bottom) return 0; if (bottom > page_bottom) offset = (bottom - page_bottom); if (top < page_top + offset) offset = (top - page_top); if (top <= page_top + offset && bottom >= page_bottom + offset) return offset; if (top < page_top + size * 3 / 2 + offset) offset = top - (page_top + size * 3 / 2); if (bottom > page_bottom - size * 3 / 2 + offset) offset = bottom - (page_bottom - size * 3 / 2); if (top < page_top + size * 3 / 2 + offset) offset = top - ((page_top + page_bottom - (bottom - top)) / 2); return offset; } static void e_canvas_show_area (GnomeCanvas *canvas, gdouble x1, gdouble y1, gdouble x2, gdouble y2) { GtkAdjustment *h, *v; gint dx = 0, dy = 0; gdouble page_size; gdouble lower; gdouble upper; gdouble value; g_return_if_fail (canvas != NULL); g_return_if_fail (GNOME_IS_CANVAS (canvas)); h = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (canvas)); page_size = gtk_adjustment_get_page_size (h); lower = gtk_adjustment_get_lower (h); upper = gtk_adjustment_get_upper (h); value = gtk_adjustment_get_value (h); dx = compute_offset (x1, x2, value, value + page_size); if (dx) gtk_adjustment_set_value (h, CLAMP (value + dx, lower, upper - page_size)); v = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (canvas)); page_size = gtk_adjustment_get_page_size (v); lower = gtk_adjustment_get_lower (v); upper = gtk_adjustment_get_upper (v); value = gtk_adjustment_get_value (v); dy = compute_offset (y1, y2, value, value + page_size); if (dy) gtk_adjustment_set_value (v, CLAMP (value + dy, lower, upper - page_size)); } void e_canvas_item_show_area (GnomeCanvasItem *item, gdouble x1, gdouble y1, gdouble x2, gdouble y2) { g_return_if_fail (item != NULL); g_return_if_fail (GNOME_IS_CANVAS_ITEM (item)); gnome_canvas_item_i2w (item, &x1, &y1); gnome_canvas_item_i2w (item, &x2, &y2); e_canvas_show_area (item->canvas, x1, y1, x2, y2); } static gboolean e_canvas_area_shown (GnomeCanvas *canvas, gdouble x1, gdouble y1, gdouble x2, gdouble y2) { GtkAdjustment *h, *v; gint dx = 0, dy = 0; gdouble page_size; gdouble lower; gdouble upper; gdouble value; g_return_val_if_fail (canvas != NULL, FALSE); g_return_val_if_fail (GNOME_IS_CANVAS (canvas), FALSE); h = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (canvas)); page_size = gtk_adjustment_get_page_size (h); lower = gtk_adjustment_get_lower (h); upper = gtk_adjustment_get_upper (h); value = gtk_adjustment_get_value (h); dx = compute_offset (x1, x2, value, value + page_size); if (CLAMP (value + dx, lower, upper - page_size) - value != 0) return FALSE; v = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (canvas)); page_size = gtk_adjustment_get_page_size (v); lower = gtk_adjustment_get_lower (v); upper = gtk_adjustment_get_upper (v); value = gtk_adjustment_get_value (v); dy = compute_offset (y1, y2, value, value + page_size); if (CLAMP (value + dy, lower, upper - page_size) - value != 0) return FALSE; return TRUE; } gboolean e_canvas_item_area_shown (GnomeCanvasItem *item, gdouble x1, gdouble y1, gdouble x2, gdouble y2) { g_return_val_if_fail (item != NULL, FALSE); g_return_val_if_fail (GNOME_IS_CANVAS_ITEM (item), FALSE); gnome_canvas_item_i2w (item, &x1, &y1); gnome_canvas_item_i2w (item, &x2, &y2); return e_canvas_area_shown (item->canvas, x1, y1, x2, y2); } typedef struct { gdouble x1; gdouble y1; gdouble x2; gdouble y2; GnomeCanvas *canvas; } DoubsAndCanvas; static gboolean show_area_timeout (gpointer data) { DoubsAndCanvas *dac = data; e_canvas_show_area (dac->canvas, dac->x1, dac->y1, dac->x2, dac->y2); g_object_unref (dac->canvas); g_free (dac); return FALSE; } void e_canvas_item_show_area_delayed (GnomeCanvasItem *item, gdouble x1, gdouble y1, gdouble x2, gdouble y2, gint delay) { DoubsAndCanvas *dac; g_return_if_fail (item != NULL); g_return_if_fail (GNOME_IS_CANVAS_ITEM (item)); gnome_canvas_item_i2w (item, &x1, &y1); gnome_canvas_item_i2w (item, &x2, &y2); dac = g_new (DoubsAndCanvas, 1); dac->x1 = x1; dac->y1 = y1; dac->x2 = x2; dac->y2 = y2; dac->canvas = item->canvas; g_object_ref (item->canvas); g_timeout_add (delay, show_area_timeout, dac); } ep-1.3.2 FreeBSD Ports (https://github.com/freebsd/freebsd-ports)
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* Bump PORTREVISION for ports depending on the canonical version of GCCgerald2019-07-271-0/+1
* Update geary to 0.13.3.kwm2019-03-156-739/+179
* Change cmake default behaviour to outsource.tcberner2018-12-261-1/+1
* Bump PORTREVISION for ports depending on the canonical version of GCCgerald2018-12-121-0/+1
* Update geary to 0.12.4.kwm2018-11-145-5/+601
* The FreeBSD GNOME team proudly presents GNOME 3.28 for FreeBSD.kwm2018-09-303-13/+11