577 lines
15 KiB
C
577 lines
15 KiB
C
/*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <math.h>
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#include <gtk/gtkentry.h>
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#include "sugar-address-entry.h"
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enum {
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PROP_0,
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PROP_PROGRESS
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};
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typedef enum {
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CURSOR_STANDARD,
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CURSOR_DND
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} CursorType;
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static void _gtk_entry_effective_inner_border (GtkEntry *entry,
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GtkBorder *border);
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static void get_text_area_size (GtkEntry *entry,
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gint *x,
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gint *y,
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gint *width,
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gint *height);
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G_DEFINE_TYPE(SugarAddressEntry, sugar_address_entry, GTK_TYPE_ENTRY)
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static GQuark quark_inner_border = 0;
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static const GtkBorder default_inner_border = { 2, 2, 2, 2 };
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static void
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draw_insertion_cursor (GtkEntry *entry,
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GdkRectangle *cursor_location,
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gboolean is_primary,
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PangoDirection direction,
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gboolean draw_arrow)
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{
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GtkWidget *widget = GTK_WIDGET (entry);
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GtkTextDirection text_dir;
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if (direction == PANGO_DIRECTION_LTR)
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text_dir = GTK_TEXT_DIR_LTR;
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else
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text_dir = GTK_TEXT_DIR_RTL;
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gtk_draw_insertion_cursor (widget, entry->text_area, NULL,
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cursor_location,
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is_primary, text_dir, draw_arrow);
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}
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static void
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gtk_entry_get_pixel_ranges (GtkEntry *entry,
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gint **ranges,
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gint *n_ranges)
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{
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gint start_char, end_char;
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if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start_char, &end_char))
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{
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//PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
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PangoLayout *layout = gtk_entry_get_layout (entry);
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PangoLayoutLine *line = pango_layout_get_lines (layout)->data;
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const char *text = pango_layout_get_text (layout);
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gint start_index = g_utf8_offset_to_pointer (text, start_char) - text;
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gint end_index = g_utf8_offset_to_pointer (text, end_char) - text;
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gint real_n_ranges, i;
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pango_layout_line_get_x_ranges (line, start_index, end_index, ranges, &real_n_ranges);
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if (ranges)
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{
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gint *r = *ranges;
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for (i = 0; i < real_n_ranges; ++i)
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{
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r[2 * i + 1] = (r[2 * i + 1] - r[2 * i]) / PANGO_SCALE;
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r[2 * i] = r[2 * i] / PANGO_SCALE;
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}
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}
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if (n_ranges)
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*n_ranges = real_n_ranges;
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}
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else
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{
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if (n_ranges)
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*n_ranges = 0;
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if (ranges)
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*ranges = NULL;
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}
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}
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static void
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gtk_entry_get_cursor_locations (GtkEntry *entry,
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CursorType type,
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gint *strong_x,
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gint *weak_x)
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{
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if (!entry->visible && !entry->invisible_char)
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{
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if (strong_x)
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*strong_x = 0;
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if (weak_x)
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*weak_x = 0;
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}
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else
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{
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//PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
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PangoLayout *layout = gtk_entry_get_layout (entry);
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const gchar *text = pango_layout_get_text (layout);
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PangoRectangle strong_pos, weak_pos;
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gint index;
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if (type == CURSOR_STANDARD)
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{
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index = g_utf8_offset_to_pointer (text, entry->current_pos + entry->preedit_cursor) - text;
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}
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else /* type == CURSOR_DND */
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{
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index = g_utf8_offset_to_pointer (text, entry->dnd_position) - text;
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if (entry->dnd_position > entry->current_pos)
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{
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if (entry->visible)
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index += entry->preedit_length;
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else
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{
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gint preedit_len_chars = g_utf8_strlen (text, -1) - entry->text_length;
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index += preedit_len_chars * g_unichar_to_utf8 (entry->invisible_char, NULL);
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}
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}
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}
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pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
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if (strong_x)
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*strong_x = strong_pos.x / PANGO_SCALE;
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if (weak_x)
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*weak_x = weak_pos.x / PANGO_SCALE;
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}
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}
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static void
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gtk_entry_draw_cursor (GtkEntry *entry,
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CursorType type)
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{
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GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (entry)));
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PangoDirection keymap_direction = gdk_keymap_get_direction (keymap);
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if (GTK_WIDGET_DRAWABLE (entry))
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{
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GtkWidget *widget = GTK_WIDGET (entry);
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GdkRectangle cursor_location;
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gboolean split_cursor;
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GtkBorder inner_border;
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gint xoffset;
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gint strong_x, weak_x;
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gint text_area_height;
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PangoDirection dir1 = PANGO_DIRECTION_NEUTRAL;
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PangoDirection dir2 = PANGO_DIRECTION_NEUTRAL;
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gint x1 = 0;
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gint x2 = 0;
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_gtk_entry_effective_inner_border (entry, &inner_border);
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xoffset = inner_border.left - entry->scroll_offset;
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gdk_drawable_get_size (entry->text_area, NULL, &text_area_height);
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gtk_entry_get_cursor_locations (entry, type, &strong_x, &weak_x);
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g_object_get (gtk_widget_get_settings (widget),
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"gtk-split-cursor", &split_cursor,
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NULL);
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dir1 = entry->resolved_dir;
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if (split_cursor)
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{
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x1 = strong_x;
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if (weak_x != strong_x)
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{
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dir2 = (entry->resolved_dir == PANGO_DIRECTION_LTR) ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
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x2 = weak_x;
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}
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}
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else
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{
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if (keymap_direction == entry->resolved_dir)
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x1 = strong_x;
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else
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x1 = weak_x;
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}
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cursor_location.x = xoffset + x1;
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cursor_location.y = inner_border.top;
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cursor_location.width = 0;
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cursor_location.height = text_area_height - inner_border.top - inner_border.bottom;
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draw_insertion_cursor (entry,
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&cursor_location, TRUE, dir1,
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dir2 != PANGO_DIRECTION_NEUTRAL);
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if (dir2 != PANGO_DIRECTION_NEUTRAL)
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{
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cursor_location.x = xoffset + x2;
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draw_insertion_cursor (entry,
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&cursor_location, FALSE, dir2,
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TRUE);
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}
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}
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}
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static void
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get_layout_position (GtkEntry *entry,
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gint *x,
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gint *y)
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{
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PangoLayout *layout;
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PangoRectangle logical_rect;
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gint area_width, area_height;
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GtkBorder inner_border;
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gint y_pos;
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PangoLayoutLine *line;
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// layout = gtk_entry_ensure_layout (entry, TRUE);
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layout = gtk_entry_get_layout(entry);
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get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
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_gtk_entry_effective_inner_border (entry, &inner_border);
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area_height = PANGO_SCALE * (area_height - inner_border.top - inner_border.bottom);
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line = pango_layout_get_lines (layout)->data;
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pango_layout_line_get_extents (line, NULL, &logical_rect);
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/* Align primarily for locale's ascent/descent */
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y_pos = ((area_height - entry->ascent - entry->descent) / 2 +
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entry->ascent + logical_rect.y);
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/* Now see if we need to adjust to fit in actual drawn string */
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if (logical_rect.height > area_height)
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y_pos = (area_height - logical_rect.height) / 2;
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else if (y_pos < 0)
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y_pos = 0;
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else if (y_pos + logical_rect.height > area_height)
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y_pos = area_height - logical_rect.height;
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y_pos = inner_border.top + y_pos / PANGO_SCALE;
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if (x)
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*x = inner_border.left - entry->scroll_offset;
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if (y)
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*y = y_pos;
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}
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static void
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_gtk_entry_effective_inner_border (GtkEntry *entry,
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GtkBorder *border)
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{
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GtkBorder *tmp_border;
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tmp_border = g_object_get_qdata (G_OBJECT (entry), quark_inner_border);
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if (tmp_border)
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{
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*border = *tmp_border;
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return;
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}
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gtk_widget_style_get (GTK_WIDGET (entry), "inner-border", &tmp_border, NULL);
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if (tmp_border)
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{
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*border = *tmp_border;
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gtk_border_free (tmp_border);
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return;
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}
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*border = default_inner_border;
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}
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static void
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gtk_entry_draw_text (GtkEntry *entry)
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{
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GtkWidget *widget;
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if (!entry->visible && entry->invisible_char == 0)
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return;
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if (GTK_WIDGET_DRAWABLE (entry))
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{
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//PangoLayout *layout = gtk_entry_ensure_layout (entry, TRUE);
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PangoLayout *layout = gtk_entry_get_layout (entry);
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cairo_t *cr;
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gint x, y;
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gint start_pos, end_pos;
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widget = GTK_WIDGET (entry);
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get_layout_position (entry, &x, &y);
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cr = gdk_cairo_create (entry->text_area);
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cairo_move_to (cr, x, y);
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gdk_cairo_set_source_color (cr, &widget->style->text [widget->state]);
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pango_cairo_show_layout (cr, layout);
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if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start_pos, &end_pos))
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{
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gint *ranges;
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gint n_ranges, i;
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PangoRectangle logical_rect;
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GdkColor *selection_color, *text_color;
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GtkBorder inner_border;
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pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
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gtk_entry_get_pixel_ranges (entry, &ranges, &n_ranges);
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if (GTK_WIDGET_HAS_FOCUS (entry))
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{
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selection_color = &widget->style->base [GTK_STATE_SELECTED];
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text_color = &widget->style->text [GTK_STATE_SELECTED];
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}
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else
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{
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selection_color = &widget->style->base [GTK_STATE_ACTIVE];
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text_color = &widget->style->text [GTK_STATE_ACTIVE];
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}
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_gtk_entry_effective_inner_border (entry, &inner_border);
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for (i = 0; i < n_ranges; ++i)
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cairo_rectangle (cr,
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inner_border.left - entry->scroll_offset + ranges[2 * i],
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y,
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ranges[2 * i + 1],
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logical_rect.height);
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cairo_clip (cr);
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gdk_cairo_set_source_color (cr, selection_color);
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cairo_paint (cr);
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cairo_move_to (cr, x, y);
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gdk_cairo_set_source_color (cr, text_color);
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pango_cairo_show_layout (cr, layout);
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g_free (ranges);
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}
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cairo_destroy (cr);
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}
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}
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static void
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sugar_address_entry_get_borders (GtkEntry *entry,
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gint *xborder,
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gint *yborder)
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{
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GtkWidget *widget = GTK_WIDGET (entry);
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gint focus_width;
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gboolean interior_focus;
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gtk_widget_style_get (widget,
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"interior-focus", &interior_focus,
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"focus-line-width", &focus_width,
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NULL);
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if (entry->has_frame)
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{
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*xborder = widget->style->xthickness;
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*yborder = widget->style->ythickness;
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}
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else
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{
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*xborder = 0;
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*yborder = 0;
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}
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if (!interior_focus)
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{
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*xborder += focus_width;
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*yborder += focus_width;
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}
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}
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static void
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get_text_area_size (GtkEntry *entry,
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gint *x,
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gint *y,
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gint *width,
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gint *height)
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{
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gint xborder, yborder;
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GtkRequisition requisition;
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GtkWidget *widget = GTK_WIDGET (entry);
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gtk_widget_get_child_requisition (widget, &requisition);
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sugar_address_entry_get_borders (entry, &xborder, &yborder);
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if (x)
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*x = xborder;
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if (y)
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*y = yborder;
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if (width)
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*width = GTK_WIDGET (entry)->allocation.width - xborder * 2;
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if (height)
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*height = requisition.height - yborder * 2;
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}
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static gint
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sugar_address_entry_expose(GtkWidget *widget,
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GdkEventExpose *event)
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{
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GtkEntry *entry = GTK_ENTRY (widget);
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SugarAddressEntry *address_entry = SUGAR_ADDRESS_ENTRY(widget);
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cairo_t *cr;
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if (entry->text_area == event->window) {
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gint area_width, area_height;
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get_text_area_size (entry, NULL, NULL, &area_width, &area_height);
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gtk_paint_flat_box (widget->style, entry->text_area,
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GTK_WIDGET_STATE(widget), GTK_SHADOW_NONE,
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NULL, widget, "entry_bg",
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0, 0, area_width, area_height);
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if (address_entry->progress != 0.0 && address_entry->progress != 1.0 &&
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!GTK_WIDGET_HAS_FOCUS(entry)) {
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int bar_width = area_width * address_entry->progress;
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float radius = area_height / 2;
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cr = gdk_cairo_create(entry->text_area);
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cairo_set_source_rgb(cr, 0xA6 / 255.0, 0xA6 / 255.0, 0xA6 / 255.0);
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cairo_move_to (cr, radius, 0);
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cairo_arc (cr, bar_width - radius, radius, radius, M_PI * 1.5, M_PI * 2);
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cairo_arc (cr, bar_width - radius, area_height - radius, radius, 0, M_PI * 0.5);
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cairo_arc (cr, radius, area_height - radius, radius, M_PI * 0.5, M_PI);
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cairo_arc (cr, radius, radius, radius, M_PI, M_PI * 1.5);
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cairo_fill(cr);
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cairo_destroy (cr);
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}
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if ((entry->visible || entry->invisible_char != 0) &&
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GTK_WIDGET_HAS_FOCUS (widget) &&
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entry->selection_bound == entry->current_pos && entry->cursor_visible)
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gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_STANDARD);
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if (entry->dnd_position != -1)
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gtk_entry_draw_cursor (GTK_ENTRY (widget), CURSOR_DND);
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gtk_entry_draw_text (GTK_ENTRY (widget));
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} else {
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GtkWidgetClass *parent_class;
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parent_class = GTK_WIDGET_CLASS(sugar_address_entry_parent_class);
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parent_class->expose_event(widget, event);
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}
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return FALSE;
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}
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static void
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sugar_address_entry_set_property(GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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SugarAddressEntry *address_entry = SUGAR_ADDRESS_ENTRY(object);
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GtkEntry *entry = GTK_ENTRY(object);
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switch (prop_id) {
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case PROP_PROGRESS:
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address_entry->progress = g_value_get_double(value);
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if (GTK_WIDGET_REALIZED(entry))
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gdk_window_invalidate_rect(entry->text_area, NULL, FALSE);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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sugar_address_entry_get_property(GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SugarAddressEntry *entry = SUGAR_ADDRESS_ENTRY(object);
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switch (prop_id) {
|
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case PROP_PROGRESS:
|
|
g_value_set_double(value, entry->progress);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
sugar_address_entry_class_init(SugarAddressEntryClass *klass)
|
|
{
|
|
GtkWidgetClass *widget_class = (GtkWidgetClass*)klass;
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
|
|
|
|
widget_class->expose_event = sugar_address_entry_expose;
|
|
|
|
gobject_class->set_property = sugar_address_entry_set_property;
|
|
gobject_class->get_property = sugar_address_entry_get_property;
|
|
|
|
quark_inner_border = g_quark_from_static_string ("gtk-entry-inner-border");
|
|
|
|
g_object_class_install_property (gobject_class, PROP_PROGRESS,
|
|
g_param_spec_double("progress",
|
|
"Progress",
|
|
"Progress",
|
|
0.0, 1.0, 0.0,
|
|
G_PARAM_READWRITE));
|
|
}
|
|
|
|
static gboolean
|
|
button_press_event_cb (GtkWidget *widget, GdkEventButton *event)
|
|
{
|
|
if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) {
|
|
gtk_editable_select_region(GTK_EDITABLE(widget), 0, -1);
|
|
gtk_widget_grab_focus(widget);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
sugar_address_entry_init(SugarAddressEntry *entry)
|
|
{
|
|
entry->progress = 0.0;
|
|
|
|
g_signal_connect(entry, "button-press-event",
|
|
G_CALLBACK(button_press_event_cb), NULL);
|
|
}
|