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Learning_GTK4_tree/tests/testcellrenderertext.c

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2023-12-12 11:36:42 +01:00
/* GTK - The GIMP Toolkit
* testcellrenderertext.c: Tests for the various properties of GtkCellRendererText
* Copyright (C) 2005, Novell, Inc.
*
* Authors:
* Federico Mena-Quintero <federico@novell.com>
*
* This library 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) 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#define COL_BACKGROUND 15
#define COL_LINE_NUM 16
#define NUM_COLS 17 /* change this when adding columns */
struct cell_params {
const char *description; /* 0 */
const char *test; /* 1 */
int xpad; /* 2 */
int ypad; /* 3 */
double xalign; /* 4 */
double yalign; /* 5 */
gboolean sensitive; /* 6 */
int width; /* 7 */
int height; /* 8 */
int width_chars; /* 9 */
int wrap_width; /* 10 */
PangoWrapMode wrap_mode; /* 11 */
gboolean single_paragraph_mode; /* 12 */
PangoEllipsizeMode ellipsize; /* 13 */
PangoAlignment alignment; /* 14 */
/* COL_BACKGROUND */ /* 15 */
/* COL_LINE_NUM */ /* 16 */
};
#define WO PANGO_WRAP_WORD
#define CH PANGO_WRAP_CHAR
#define WC PANGO_WRAP_WORD_CHAR
#define NO PANGO_ELLIPSIZE_NONE
#define ST PANGO_ELLIPSIZE_START
#define MI PANGO_ELLIPSIZE_MIDDLE
#define EN PANGO_ELLIPSIZE_END
#define AL PANGO_ALIGN_LEFT
#define AC PANGO_ALIGN_CENTER
#define AR PANGO_ALIGN_RIGHT
#define TESTL "LEFT JUSTIFIED This is really truly verily some very long text\n\330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205"
#define TESTC "CENTERED This is really truly verily some very long text\n\330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205"
#define TESTR "RIGHT JUSTIFIED This is really truly verily some very long text\n\330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205 \330\247\331\204\330\263\331\204\330\247\331\205 \330\271\331\204\331\212\331\203\331\205"
/* DO NOT CHANGE THE ROWS! They are numbered so that we can refer to
* problematic rows in bug reports. If you need a different test, just add a
* new row at the bottom. Also, please add your new row numbers to this column -------------------------------+
* to keep things tidy. v
*/
static const struct cell_params cell_params[] = {
{ "xp yp xa ya se wi he wc ww wm sp el", "", 0, 0, 0.0, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO }, /* 0 */
/* Test alignment */
{ "0 0 0 0 T -1 -1 -1 -1 CH F NO", TESTL, 0, 0, 0.0, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 1 */
{ "0 0 .5 0 T -1 -1 -1 -1 CH F NO", TESTC, 0, 0, 0.5, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 2 */
{ "0 0 1 0 T -1 -1 -1 -1 CH F NO", TESTR, 0, 0, 1.0, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 3 */
{ "0 0 0 .5 T -1 -1 -1 -1 CH F NO", TESTL, 0, 0, 0.0, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 4 */
{ "0 0 .5 .5 T -1 -1 -1 -1 CH F NO", TESTC, 0, 0, 0.5, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 5 */
{ "0 0 1 .5 T -1 -1 -1 -1 CH F NO", TESTR, 0, 0, 1.0, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 6 */
{ "0 0 0 1 T -1 -1 -1 -1 CH F NO", TESTL, 0, 0, 0.0, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 7 */
{ "0 0 .5 1 T -1 -1 -1 -1 CH F NO", TESTC, 0, 0, 0.5, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 8 */
{ "0 0 1 1 T -1 -1 -1 -1 CH F NO", TESTR, 0, 0, 1.0, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 9 */
/* Test padding */
{ "10 10 0 0 T -1 -1 -1 -1 CH F NO", TESTL, 10, 10, 0.0, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 10 */
{ "10 10 .5 0 T -1 -1 -1 -1 CH F NO", TESTC, 10, 10, 0.5, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 11 */
{ "10 10 1 0 T -1 -1 -1 -1 CH F NO", TESTR, 10, 10, 1.0, 0.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 12 */
{ "10 10 0 .5 T -1 -1 -1 -1 CH F NO", TESTL, 10, 10, 0.0, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 13 */
{ "10 10 .5 .5 T -1 -1 -1 -1 CH F NO", TESTC, 10, 10, 0.5, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 14 */
{ "10 10 1 .5 T -1 -1 -1 -1 CH F NO", TESTR, 10, 10, 1.0, 0.5, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 15 */
{ "10 10 0 1 T -1 -1 -1 -1 CH F NO", TESTL, 10, 10, 0.0, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 16 */
{ "10 10 .5 1 T -1 -1 -1 -1 CH F NO", TESTC, 10, 10, 0.5, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 17 */
{ "10 10 1 1 T -1 -1 -1 -1 CH F NO", TESTR, 10, 10, 1.0, 1.0, TRUE, -1, -1, -1, -1, CH, FALSE, NO , AL }, /* 18 */
/* Test Pango alignment (not xalign) */
{ "0 0 0 0 T -1 -1 -1 -1 CH F NO AL", TESTL, 0, 0, 0.0, 0.0, TRUE, -1, -1, -1, 20, WO, FALSE, NO , AL }, /* 19 */
{ "0 0 0 0 T -1 -1 -1 -1 CH F NO AC", TESTC, 0, 0, 0.0, 0.0, TRUE, -1, -1, -1, 20, WO, FALSE, NO , AC }, /* 20 */
{ "0 0 0 0 T -1 -1 -1 -1 CH F NO AR", TESTR, 0, 0, 0.0, 0.0, TRUE, -1, -1, -1, 20, WO, FALSE, NO , AR }, /* 21 */
};
static GtkListStore *
create_list_store (void)
{
GtkListStore *list_store;
int i;
list_store = gtk_list_store_new (NUM_COLS,
G_TYPE_STRING, /* 0 */
G_TYPE_STRING, /* 1 */
G_TYPE_INT, /* 2 */
G_TYPE_INT, /* 3 */
G_TYPE_DOUBLE, /* 4 */
G_TYPE_DOUBLE, /* 5 */
G_TYPE_BOOLEAN, /* 6 */
G_TYPE_INT, /* 7 */
G_TYPE_INT, /* 8 */
G_TYPE_INT, /* 9 */
G_TYPE_INT, /* 10 */
PANGO_TYPE_WRAP_MODE, /* 11 */
G_TYPE_BOOLEAN, /* 12 */
PANGO_TYPE_ELLIPSIZE_MODE, /* 13 */
PANGO_TYPE_ALIGNMENT, /* 14 */
G_TYPE_STRING, /* 15 */
G_TYPE_STRING); /* 16 */
for (i = 0; i < G_N_ELEMENTS (cell_params); i++)
{
const struct cell_params *p;
GtkTreeIter iter;
char buf[50];
p = cell_params + i;
g_snprintf (buf, sizeof (buf), "%d", i);
gtk_list_store_append (list_store, &iter);
gtk_list_store_set (list_store, &iter,
0, p->description,
1, p->test,
2, p->xpad,
3, p->ypad,
4, p->xalign,
5, p->yalign,
6, p->sensitive,
7, p->width,
8, p->height,
9, p->width_chars,
10, p->wrap_width,
11, p->wrap_mode,
12, p->single_paragraph_mode,
13, p->ellipsize,
14, p->alignment,
15, (i % 2 == 0) ? "gray50" : "gray80",
16, buf,
-1);
}
return list_store;
}
static GtkWidget *
create_tree (gboolean rtl)
{
GtkWidget *sw;
GtkWidget *treeview;
GtkListStore *list_store;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GdkPixbuf *pixbuf;
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
gtk_widget_set_direction (sw, rtl ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
list_store = create_list_store ();
treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));
gtk_widget_set_direction (treeview, rtl ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), treeview);
/* Line number */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("#",
renderer,
"text", COL_LINE_NUM,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
/* Description */
renderer = gtk_cell_renderer_text_new ();
g_object_set (renderer,
"font", "monospace",
NULL);
column = gtk_tree_view_column_new_with_attributes ("Description",
renderer,
"text", 0,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
/* Test text */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Test",
renderer,
"text", 1,
"xpad", 2,
"ypad", 3,
"xalign", 4,
"yalign", 5,
"sensitive", 6,
"width", 7,
"height", 8,
"width_chars", 9,
"wrap_width", 10,
"wrap_mode", 11,
"single_paragraph_mode", 12,
"ellipsize", 13,
"alignment", 14,
"cell_background", 15,
NULL);
gtk_tree_view_column_set_resizable (column, TRUE);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
/* Empty column */
pixbuf = gdk_pixbuf_new_from_file ("apple-red.png", NULL);
renderer = gtk_cell_renderer_pixbuf_new ();
g_object_set (renderer,
"pixbuf", pixbuf,
"xpad", 10,
"ypad", 10,
NULL);
column = gtk_tree_view_column_new_with_attributes ("Empty",
renderer,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
return sw;
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *tree;
gboolean done = FALSE;
gtk_init ();
window = gtk_window_new ();
g_signal_connect (window, "destroy",
G_CALLBACK (quit_cb), &done);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_window_set_child (GTK_WINDOW (window), vbox);
/* LTR */
label = gtk_label_new ("Left to right");
gtk_box_append (GTK_BOX (vbox), label);
tree = create_tree (FALSE);
gtk_widget_set_vexpand (tree, TRUE);
gtk_box_append (GTK_BOX (vbox), tree);
/* RTL */
label = gtk_label_new ("Right to left");
gtk_box_append (GTK_BOX (vbox), label);
tree = create_tree (TRUE);
gtk_widget_set_vexpand (tree, TRUE);
gtk_box_append (GTK_BOX (vbox), tree);
gtk_window_present (GTK_WINDOW (window));
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}