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Add a testcase for scroll-to-mark
This should help for figuring out #4325.
This commit is contained in:
Matthias Clasen
parent
2611a996ff
commit
db46a8dd06
@ -93,6 +93,7 @@ gtk_tests = [
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['testswitch'],
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['testtreepos'],
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['testsensitive'],
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['testtextscroll'],
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['testtextview'],
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['testtextview2'],
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['testgmenu'],
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193
tests/testtextscroll.c
Normal file
193
tests/testtextscroll.c
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@ -0,0 +1,193 @@
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/* simple.c
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* Copyright (C) 2017 Red Hat, Inc
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* Author: Benjamin Otte
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtk/gtk.h>
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static GtkWidget *_margin;
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static GtkWidget *_align;
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static GtkWidget *_xalign;
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static GtkWidget *_yalign;
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static void
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highlight_at_mark (GtkTextBuffer *buffer,
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GtkTextMark *mark,
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gboolean on)
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{
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GtkTextIter iter, iter2;
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gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark);
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iter2 = iter;
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gtk_text_iter_forward_line (&iter2);
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if (on)
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gtk_text_buffer_apply_tag_by_name (buffer, "hihi", &iter, &iter2);
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else
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gtk_text_buffer_remove_tag_by_name (buffer, "hihi", &iter, &iter2);
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}
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static void
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go_forward_or_back (GtkButton *button,
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GtkTextView *tv,
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gboolean forward)
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{
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GtkTextBuffer *buffer;
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GtkTextMark *mark;
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GtkTextIter iter;
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gboolean found;
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buffer = gtk_text_view_get_buffer (tv);
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mark = gtk_text_buffer_get_mark (buffer, "mimi");
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highlight_at_mark (buffer, mark, FALSE);
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gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark);
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if (forward)
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found = gtk_text_iter_forward_search (&iter, "\n-----", 0, &iter, NULL, NULL);
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else
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found = gtk_text_iter_backward_search (&iter, "\n-----", 0, &iter, NULL, NULL);
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if (found)
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{
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double margin;
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gboolean use_align;
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double xalign, yalign;
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gtk_text_iter_forward_char (&iter);
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gtk_text_buffer_move_mark (buffer, mark, &iter);
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highlight_at_mark (buffer, mark, TRUE);
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margin = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_margin));
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use_align = gtk_check_button_get_active (GTK_CHECK_BUTTON (_align));
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xalign = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_xalign));
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yalign = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_yalign));
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gtk_text_view_scroll_to_mark (tv, mark, margin, use_align, xalign, yalign);
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}
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else
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{
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if (forward)
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gtk_text_buffer_get_end_iter (buffer, &iter);
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else
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gtk_text_buffer_get_start_iter (buffer, &iter);
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gtk_text_buffer_move_mark (buffer, mark, &iter);
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gtk_widget_error_bell (GTK_WIDGET (button));
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}
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}
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static void
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go_forward (GtkButton *button,
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GtkTextView *tv)
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{
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go_forward_or_back (button, tv, TRUE);
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}
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static void
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go_back (GtkButton *button,
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GtkTextView *tv)
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{
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go_forward_or_back (button, tv, FALSE);
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window, *box;
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GtkWidget *sw, *tv;
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GtkWidget *button, *box2;
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GtkTextBuffer *buffer;
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GtkTextIter iter;
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GtkTextTag *tag;
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GdkRGBA bg;
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gtk_init ();
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window = gtk_window_new ();
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gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
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box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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tv = gtk_text_view_new ();
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gtk_text_view_set_left_margin (GTK_TEXT_VIEW (tv), 10);
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gtk_text_view_set_right_margin (GTK_TEXT_VIEW (tv), 10);
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gtk_text_view_set_top_margin (GTK_TEXT_VIEW (tv), 10);
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gtk_text_view_set_bottom_margin (GTK_TEXT_VIEW (tv), 10);
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
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if (argc > 1)
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{
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char *contents;
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gsize size;
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if (g_file_get_contents (argv[1], &contents, &size, NULL))
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gtk_text_buffer_set_text (buffer, contents, size);
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}
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gtk_text_buffer_get_start_iter (buffer, &iter);
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gtk_text_buffer_create_mark (buffer, "mimi", &iter, TRUE);
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tag = gtk_text_tag_new ("hihi");
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bg.red = 0;
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bg.green = 0;
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bg.blue = 1;
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bg.alpha = 0.3;
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g_object_set (tag, "background-rgba", &bg, NULL);
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gtk_text_tag_table_add (gtk_text_buffer_get_tag_table (buffer), tag);
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sw = gtk_scrolled_window_new ();
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv);
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gtk_widget_set_hexpand (sw, TRUE);
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gtk_widget_set_vexpand (sw, TRUE);
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gtk_box_append (GTK_BOX (box), sw);
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box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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gtk_box_append (GTK_BOX (box), box2);
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button = gtk_button_new_with_label ("Forward");
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g_signal_connect (button, "clicked", G_CALLBACK (go_forward), tv);
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gtk_box_append (GTK_BOX (box2), button);
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button = gtk_button_new_with_label ("Back");
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g_signal_connect (button, "clicked", G_CALLBACK (go_back), tv);
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gtk_box_append (GTK_BOX (box2), button);
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box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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gtk_box_append (GTK_BOX (box), box2);
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gtk_box_append (GTK_BOX (box2), gtk_label_new ("Margin:"));
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_margin = gtk_spin_button_new_with_range (0, 0.5, 0.1);
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gtk_box_append (GTK_BOX (box2), _margin);
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box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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gtk_box_append (GTK_BOX (box), box2);
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gtk_box_append (GTK_BOX (box2), gtk_label_new ("Align:"));
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_align = gtk_check_button_new ();
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gtk_box_append (GTK_BOX (box2), _align);
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_xalign = gtk_spin_button_new_with_range (0, 1, 0.1);
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gtk_box_append (GTK_BOX (box2), _xalign);
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_yalign = gtk_spin_button_new_with_range (0, 1, 0.1);
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gtk_box_append (GTK_BOX (box2), _yalign);
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gtk_window_set_child (GTK_WINDOW (window), box);
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gtk_widget_show (window);
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while (1)
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g_main_context_iteration (NULL, TRUE);
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return 0;
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}
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