diff --git a/tests/meson.build b/tests/meson.build index ede335a15e..d837b5af6d 100644 --- a/tests/meson.build +++ b/tests/meson.build @@ -93,6 +93,7 @@ gtk_tests = [ ['testswitch'], ['testtreepos'], ['testsensitive'], + ['testtextscroll'], ['testtextview'], ['testtextview2'], ['testgmenu'], diff --git a/tests/testtextscroll.c b/tests/testtextscroll.c new file mode 100644 index 0000000000..d0787d5557 --- /dev/null +++ b/tests/testtextscroll.c @@ -0,0 +1,193 @@ +/* simple.c + * Copyright (C) 2017 Red Hat, Inc + * Author: Benjamin Otte + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library. If not, see . + */ +#include + +static GtkWidget *_margin; +static GtkWidget *_align; +static GtkWidget *_xalign; +static GtkWidget *_yalign; + +static void +highlight_at_mark (GtkTextBuffer *buffer, + GtkTextMark *mark, + gboolean on) +{ + GtkTextIter iter, iter2; + + gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark); + iter2 = iter; + gtk_text_iter_forward_line (&iter2); + + if (on) + gtk_text_buffer_apply_tag_by_name (buffer, "hihi", &iter, &iter2); + else + gtk_text_buffer_remove_tag_by_name (buffer, "hihi", &iter, &iter2); +} + +static void +go_forward_or_back (GtkButton *button, + GtkTextView *tv, + gboolean forward) +{ + GtkTextBuffer *buffer; + GtkTextMark *mark; + GtkTextIter iter; + gboolean found; + + buffer = gtk_text_view_get_buffer (tv); + mark = gtk_text_buffer_get_mark (buffer, "mimi"); + highlight_at_mark (buffer, mark, FALSE); + + gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark); + if (forward) + found = gtk_text_iter_forward_search (&iter, "\n-----", 0, &iter, NULL, NULL); + else + found = gtk_text_iter_backward_search (&iter, "\n-----", 0, &iter, NULL, NULL); + if (found) + { + double margin; + gboolean use_align; + double xalign, yalign; + + gtk_text_iter_forward_char (&iter); + gtk_text_buffer_move_mark (buffer, mark, &iter); + highlight_at_mark (buffer, mark, TRUE); + + margin = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_margin)); + use_align = gtk_check_button_get_active (GTK_CHECK_BUTTON (_align)); + xalign = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_xalign)); + yalign = gtk_spin_button_get_value (GTK_SPIN_BUTTON (_yalign)); + + gtk_text_view_scroll_to_mark (tv, mark, margin, use_align, xalign, yalign); + } + else + { + if (forward) + gtk_text_buffer_get_end_iter (buffer, &iter); + else + gtk_text_buffer_get_start_iter (buffer, &iter); + + gtk_text_buffer_move_mark (buffer, mark, &iter); + + gtk_widget_error_bell (GTK_WIDGET (button)); + } +} + +static void +go_forward (GtkButton *button, + GtkTextView *tv) +{ + go_forward_or_back (button, tv, TRUE); +} + +static void +go_back (GtkButton *button, + GtkTextView *tv) +{ + go_forward_or_back (button, tv, FALSE); +} + +int +main (int argc, char *argv[]) +{ + GtkWidget *window, *box; + GtkWidget *sw, *tv; + GtkWidget *button, *box2; + GtkTextBuffer *buffer; + GtkTextIter iter; + GtkTextTag *tag; + GdkRGBA bg; + + gtk_init (); + + window = gtk_window_new (); + gtk_window_set_default_size (GTK_WINDOW (window), 400, 600); + + box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10); + + tv = gtk_text_view_new (); + gtk_text_view_set_left_margin (GTK_TEXT_VIEW (tv), 10); + gtk_text_view_set_right_margin (GTK_TEXT_VIEW (tv), 10); + gtk_text_view_set_top_margin (GTK_TEXT_VIEW (tv), 10); + gtk_text_view_set_bottom_margin (GTK_TEXT_VIEW (tv), 10); + + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv)); + + if (argc > 1) + { + char *contents; + gsize size; + + if (g_file_get_contents (argv[1], &contents, &size, NULL)) + gtk_text_buffer_set_text (buffer, contents, size); + } + + gtk_text_buffer_get_start_iter (buffer, &iter); + gtk_text_buffer_create_mark (buffer, "mimi", &iter, TRUE); + + tag = gtk_text_tag_new ("hihi"); + bg.red = 0; + bg.green = 0; + bg.blue = 1; + bg.alpha = 0.3; + g_object_set (tag, "background-rgba", &bg, NULL); + gtk_text_tag_table_add (gtk_text_buffer_get_tag_table (buffer), tag); + + sw = gtk_scrolled_window_new (); + gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), tv); + + gtk_widget_set_hexpand (sw, TRUE); + gtk_widget_set_vexpand (sw, TRUE); + gtk_box_append (GTK_BOX (box), sw); + + box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10); + gtk_box_append (GTK_BOX (box), box2); + + button = gtk_button_new_with_label ("Forward"); + g_signal_connect (button, "clicked", G_CALLBACK (go_forward), tv); + gtk_box_append (GTK_BOX (box2), button); + + button = gtk_button_new_with_label ("Back"); + g_signal_connect (button, "clicked", G_CALLBACK (go_back), tv); + gtk_box_append (GTK_BOX (box2), button); + + box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10); + gtk_box_append (GTK_BOX (box), box2); + gtk_box_append (GTK_BOX (box2), gtk_label_new ("Margin:")); + _margin = gtk_spin_button_new_with_range (0, 0.5, 0.1); + gtk_box_append (GTK_BOX (box2), _margin); + + box2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10); + gtk_box_append (GTK_BOX (box), box2); + gtk_box_append (GTK_BOX (box2), gtk_label_new ("Align:")); + _align = gtk_check_button_new (); + gtk_box_append (GTK_BOX (box2), _align); + _xalign = gtk_spin_button_new_with_range (0, 1, 0.1); + gtk_box_append (GTK_BOX (box2), _xalign); + _yalign = gtk_spin_button_new_with_range (0, 1, 0.1); + gtk_box_append (GTK_BOX (box2), _yalign); + + gtk_window_set_child (GTK_WINDOW (window), box); + + gtk_widget_show (window); + + while (1) + g_main_context_iteration (NULL, TRUE); + + return 0; +}