When i Compile GTK3+ Source code, has Error - gcc

Question

when i Compile the GTK+ code ( in C ) gcc has many error !
this code is from GTK Demo but it's Examples not work on my Fedore 37 !
Screenshot from GTK Demo
that is source code :
#include <glib/gi18n.h>
#include <gtk/gtk.h>
enum
{
ICON_NAME_COL,
TEXT_COL
};
static GtkTreeModel *
create_icon_store (void)
{
const char *icon_names[6] = {
"dialog-warning",
"process-stop",
"document-new",
"edit-clear",
NULL,
"document-open"
};
const char *labels[6] = {
N_("Warning"),
N_("Stop"),
N_("New"),
N_("Clear"),
NULL,
N_("Open")
};
GtkTreeIter iter;
GtkListStore *store;
int i;
store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
for (i = 0; i < G_N_ELEMENTS (icon_names); i++)
{
if (icon_names[i])
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
ICON_NAME_COL, icon_names[i],
TEXT_COL, _(labels[i]),
-1);
}
else
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
ICON_NAME_COL, NULL,
TEXT_COL, "separator",
-1);
}
}
return GTK_TREE_MODEL (store);
}
/* A GtkCellLayoutDataFunc that demonstrates how one can control
* sensitivity of rows. This particular function does nothing
* useful and just makes the second row insensitive.
*/
static void
set_sensitive (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
GtkTreePath *path;
int *indices;
gboolean sensitive;
path = gtk_tree_model_get_path (tree_model, iter);
indices = gtk_tree_path_get_indices (path);
sensitive = indices[0] != 1;
gtk_tree_path_free (path);
g_object_set (cell, "sensitive", sensitive, NULL);
}
/* A GtkTreeViewRowSeparatorFunc that demonstrates how rows can be
* rendered as separators. This particular function does nothing
* useful and just turns the fourth row into a separator.
*/
static gboolean
is_separator (GtkTreeModel *model,
GtkTreeIter *iter,
gpointer data)
{
GtkTreePath *path;
gboolean result;
path = gtk_tree_model_get_path (model, iter);
result = gtk_tree_path_get_indices (path)[0] == 4;
gtk_tree_path_free (path);
return result;
}
static GtkTreeModel *
create_capital_store (void)
{
struct {
const char *group;
const char *capital;
} capitals[] = {
{ "A - B", NULL },
{ NULL, "Albany" },
{ NULL, "Annapolis" },
{ NULL, "Atlanta" },
{ NULL, "Augusta" },
{ NULL, "Austin" },
{ NULL, "Baton Rouge" },
{ NULL, "Bismarck" },
{ NULL, "Boise" },
{ NULL, "Boston" },
{ "C - D", NULL },
{ NULL, "Carson City" },
{ NULL, "Charleston" },
{ NULL, "Cheyenne" },
{ NULL, "Columbia" },
{ NULL, "Columbus" },
{ NULL, "Concord" },
{ NULL, "Denver" },
{ NULL, "Des Moines" },
{ NULL, "Dover" },
{ "E - J", NULL },
{ NULL, "Frankfort" },
{ NULL, "Harrisburg" },
{ NULL, "Hartford" },
{ NULL, "Helena" },
{ NULL, "Honolulu" },
{ NULL, "Indianapolis" },
{ NULL, "Jackson" },
{ NULL, "Jefferson City" },
{ NULL, "Juneau" },
{ "K - O", NULL },
{ NULL, "Lansing" },
{ NULL, "Lincoln" },
{ NULL, "Little Rock" },
{ NULL, "Madison" },
{ NULL, "Montgomery" },
{ NULL, "Montpelier" },
{ NULL, "Nashville" },
{ NULL, "Oklahoma City" },
{ NULL, "Olympia" },
{ "P - S", NULL },
{ NULL, "Phoenix" },
{ NULL, "Pierre" },
{ NULL, "Providence" },
{ NULL, "Raleigh" },
{ NULL, "Richmond" },
{ NULL, "Sacramento" },
{ NULL, "Salem" },
{ NULL, "Salt Lake City" },
{ NULL, "Santa Fe" },
{ NULL, "Springfield" },
{ NULL, "St. Paul" },
{ "T - Z", NULL },
{ NULL, "Tallahassee" },
{ NULL, "Topeka" },
{ NULL, "Trenton" },
{ NULL, NULL }
};
GtkTreeIter iter, iter2;
GtkTreeStore *store;
int i;
store = gtk_tree_store_new (1, G_TYPE_STRING);
for (i = 0; capitals[i].group || capitals[i].capital; i++)
{
if (capitals[i].group)
{
gtk_tree_store_append (store, &iter, NULL);
gtk_tree_store_set (store, &iter, 0, capitals[i].group, -1);
}
else if (capitals[i].capital)
{
gtk_tree_store_append (store, &iter2, &iter);
gtk_tree_store_set (store, &iter2, 0, capitals[i].capital, -1);
}
}
return GTK_TREE_MODEL (store);
}
static void
is_capital_sensitive (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
gboolean sensitive;
sensitive = !gtk_tree_model_iter_has_child (tree_model, iter);
g_object_set (cell, "sensitive", sensitive, NULL);
}
static void
fill_combo_entry (GtkWidget *combo)
{
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "One");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Two");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "2\302\275");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Three");
}
/* A simple validating entry */
#define TYPE_MASK_ENTRY (mask_entry_get_type ())
#define MASK_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_MASK_ENTRY, MaskEntry))
#define MASK_ENTRY_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), TYPE_MASK_ENTRY, MaskEntryClass))
#define IS_MASK_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_MASK_ENTRY))
#define IS_MASK_ENTRY_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), TYPE_MASK_ENTRY))
#define MASK_ENTRY_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), TYPE_MASK_ENTRY, MaskEntryClass))
typedef struct _MaskEntry MaskEntry;
struct _MaskEntry
{
GtkEntry entry;
const char *mask;
};
typedef struct _MaskEntryClass MaskEntryClass;
struct _MaskEntryClass
{
GtkEntryClass parent_class;
};
static void mask_entry_editable_init (GtkEditableInterface *iface);
static GType mask_entry_get_type (void);
G_DEFINE_TYPE_WITH_CODE (MaskEntry, mask_entry, GTK_TYPE_ENTRY,
G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
mask_entry_editable_init));
static void
mask_entry_set_background (MaskEntry *entry)
{
if (entry->mask)
{
if (!g_regex_match_simple (entry->mask, gtk_editable_get_text (GTK_EDITABLE (entry)), 0, 0))
{
PangoAttrList *attrs;
attrs = pango_attr_list_new ();
pango_attr_list_insert (attrs, pango_attr_foreground_new (65535, 32767, 32767));
gtk_entry_set_attributes (GTK_ENTRY (entry), attrs);
pango_attr_list_unref (attrs);
return;
}
}
gtk_entry_set_attributes (GTK_ENTRY (entry), NULL);
}
static void
mask_entry_changed (GtkEditable *editable)
{
mask_entry_set_background (MASK_ENTRY (editable));
}
static void
mask_entry_init (MaskEntry *entry)
{
entry->mask = NULL;
}
static void
mask_entry_class_init (MaskEntryClass *klass)
{ }
static void
mask_entry_editable_init (GtkEditableInterface *iface)
{
iface->changed = mask_entry_changed;
}
GtkWidget *
do_combobox (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *vbox, *frame, *box, *combo, *entry;
GtkTreeModel *model;
GtkCellRenderer *renderer;
GtkTreePath *path;
GtkTreeIter iter;
if (!window)
{
window = gtk_window_new ();
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Combo Boxes");
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_widget_set_margin_start (vbox, 10);
gtk_widget_set_margin_end (vbox, 10);
gtk_widget_set_margin_top (vbox, 10);
gtk_widget_set_margin_bottom (vbox, 10);
gtk_window_set_child (GTK_WINDOW (window), vbox);
/* A combobox demonstrating cell renderers, separators and
* insensitive rows
*/
frame = gtk_frame_new ("Items with icons");
gtk_box_append (GTK_BOX (vbox), frame);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_start (box, 5);
gtk_widget_set_margin_end (box, 5);
gtk_widget_set_margin_top (box, 5);
gtk_widget_set_margin_bottom (box, 5);
gtk_frame_set_child (GTK_FRAME (frame), box);
model = create_icon_store ();
combo = gtk_combo_box_new_with_model (model);
g_object_unref (model);
gtk_box_append (GTK_BOX (box), combo);
renderer = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer,
"icon-name", ICON_NAME_COL,
NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo),
renderer,
set_sensitive,
NULL, NULL);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer,
"text", TEXT_COL,
NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo),
renderer,
set_sensitive,
NULL, NULL);
gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combo),
is_separator, NULL, NULL);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
/* A combobox demonstrating trees.
*/
frame = gtk_frame_new ("Where are we ?");
gtk_box_append (GTK_BOX (vbox), frame);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_start (box, 5);
gtk_widget_set_margin_end (box, 5);
gtk_widget_set_margin_top (box, 5);
gtk_widget_set_margin_bottom (box, 5);
gtk_frame_set_child (GTK_FRAME (frame), box);
model = create_capital_store ();
combo = gtk_combo_box_new_with_model (model);
g_object_unref (model);
gtk_box_append (GTK_BOX (box), combo);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer,
"text", 0,
NULL);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo),
renderer,
is_capital_sensitive,
NULL, NULL);
path = gtk_tree_path_new_from_indices (0, 8, -1);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo), &iter);
/* A GtkComboBoxEntry with validation */
frame = gtk_frame_new ("Editable");
gtk_box_append (GTK_BOX (vbox), frame);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_start (box, 5);
gtk_widget_set_margin_end (box, 5);
gtk_widget_set_margin_top (box, 5);
gtk_widget_set_margin_bottom (box, 5);
gtk_frame_set_child (GTK_FRAME (frame), box);
combo = gtk_combo_box_text_new_with_entry ();
fill_combo_entry (combo);
gtk_box_append (GTK_BOX (box), combo);
entry = g_object_new (TYPE_MASK_ENTRY, NULL);
MASK_ENTRY (entry)->mask = "^([0-9]*|One|Two|2\302\275|Three)$";
gtk_combo_box_set_child (GTK_COMBO_BOX (combo), entry);
/* A combobox with string IDs */
frame = gtk_frame_new ("String IDs");
gtk_box_append (GTK_BOX (vbox), frame);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_widget_set_margin_start (box, 5);
gtk_widget_set_margin_end (box, 5);
gtk_widget_set_margin_top (box, 5);
gtk_widget_set_margin_bottom (box, 5);
gtk_frame_set_child (GTK_FRAME (frame), box);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "never", "Not visible");
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "when-active", "Visible when active");
gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "always", "Always visible");
gtk_box_append (GTK_BOX (box), combo);
entry = gtk_entry_new ();
g_object_bind_property (combo, "active-id",
entry, "text",
G_BINDING_BIDIRECTIONAL);
gtk_box_append (GTK_BOX (box), entry);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_window_destroy (GTK_WINDOW (window));
return window;
}
but when i Compile it :
gcc `pkg-config --cflags gtk+-3.0` 1.c -o hello `pkg-config --libs gtk+-3.0`
Errors :
1.c: In function ‘mask_entry_set_background’:
1.c:251:47: warning: implicit declaration of function ‘gtk_editable_get_text’; did you mean ‘gtk_editable_get_type’? [-Wimplicit-function-declaration]
251 | if (!g_regex_match_simple (entry->mask, gtk_editable_get_text (GTK_EDITABLE (entry)), 0, 0))
| ^~~~~~~~~~~~~~~~~~~~~
| gtk_editable_get_type
1.c:251:47: warning: passing argument 2 of ‘g_regex_match_simple’ makes pointer from integer without a cast [-Wint-conversion]
251 | if (!g_regex_match_simple (entry->mask, gtk_editable_get_text (GTK_EDITABLE (entry)), 0, 0))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| int
In file included from /usr/include/glib-2.0/glib.h:77,
from /usr/include/glib-2.0/glib/gi18n.h:23,
from 1.c:1:
/usr/include/glib-2.0/glib/gregex.h:494:71: note: expected ‘const gchar *’ {aka ‘const char *’} but argument is of type ‘int’
494 | const gchar *string,
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~
1.c: In function ‘do_combobox’:
1.c:305:14: error: too few arguments to function ‘gtk_window_new’
305 | window = gtk_window_new ();
| ^~~~~~~~~~~~~~
In file included from /usr/include/gtk-3.0/gtk/gtkdialog.h:32,
from /usr/include/gtk-3.0/gtk/gtkaboutdialog.h:30,
from /usr/include/gtk-3.0/gtk/gtk.h:31,
from 1.c:2:
/usr/include/gtk-3.0/gtk/gtkwindow.h:147:12: note: declared here
147 | GtkWidget* gtk_window_new (GtkWindowType type);
| ^~~~~~~~~~~~~~
1.c:306:5: warning: implicit declaration of function ‘gtk_window_set_display’; did you mean ‘gdk_window_get_display’? [-Wimplicit-function-declaration]
306 | gtk_window_set_display (GTK_WINDOW (window),
| ^~~~~~~~~~~~~~~~~~~~~~
| gdk_window_get_display
1.c:316:5: warning: implicit declaration of function ‘gtk_window_set_child’; did you mean ‘gtk_window_set_role’? [-Wimplicit-function-declaration]
316 | gtk_window_set_child (GTK_WINDOW (window), vbox);
| ^~~~~~~~~~~~~~~~~~~~
| gtk_window_set_role
1.c:322:5: warning: implicit declaration of function ‘gtk_box_append’; did you mean ‘gtk_box_pack_end’? [-Wimplicit-function-declaration]
322 | gtk_box_append (GTK_BOX (vbox), frame);
| ^~~~~~~~~~~~~~
| gtk_box_pack_end
1.c:329:5: warning: implicit declaration of function ‘gtk_frame_set_child’; did you mean ‘gtk_frame_set_label’? [-Wimplicit-function-declaration]
329 | gtk_frame_set_child (GTK_FRAME (frame), box);
| ^~~~~~~~~~~~~~~~~~~
| gtk_frame_set_label
1.c:413:5: warning: implicit declaration of function ‘gtk_combo_box_set_child’; did you mean ‘gtk_combo_box_set_active’? [-Wimplicit-function-declaration]
413 | gtk_combo_box_set_child (GTK_COMBO_BOX (combo), entry);
| ^~~~~~~~~~~~~~~~~~~~~~~
| gtk_combo_box_set_active
1.c:442:5: warning: implicit declaration of function ‘gtk_window_destroy’; did you mean ‘gdk_window_destroy’? [-Wimplicit-function-declaration]
442 | gtk_window_destroy (GTK_WINDOW (window));
| ^~~~~~~~~~~~~~~~~~
| gdk_window_destroy
but when i Click on Run Button on GTK Demo, it run in my computer:
Run Key
Combo Boxes
Is there a problem with the gtk demo ?
Thanks
I tried to compile this code with GCC
and i tried Search on Google

Answer 1

The example code you're looking at and copying is for GTK4 while you're compiling against GTK3
Use
gcc `pkg-config --cflags gtk4` 1.c -o hello `pkg-config --libs gtk4`