#include <gtk/gtk.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
/*******************************************************
* Simple Test *
*******************************************************/
enum {
SIMPLE_COLUMN_NAME,
SIMPLE_COLUMN_ICON,
SIMPLE_COLUMN_DESCRIPTION,
N_SIMPLE_COLUMNS
};
static GtkCellRenderer *cell_1 = NULL, *cell_2 = NULL, *cell_3 = NULL;
static GtkTreeModel *
simple_list_model (void )
{
GtkTreeIter iter;
GtkListStore *store =
gtk_list_store_new (N_SIMPLE_COLUMNS,
G_TYPE_STRING, /* name text */
G_TYPE_STRING, /* icon name */
G_TYPE_STRING); /* description text */
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "Alice in wonderland" ,
SIMPLE_COLUMN_ICON, "system-run" ,
SIMPLE_COLUMN_DESCRIPTION,
"Twas brillig, and the slithy toves "
"did gyre and gimble in the wabe; "
"all mimsy were the borogoves, "
"and the mome raths outgrabe" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "Marry Poppins" ,
SIMPLE_COLUMN_ICON, "dialog-information" ,
SIMPLE_COLUMN_DESCRIPTION, "Supercalifragilisticexpialidocious" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "George Bush" ,
SIMPLE_COLUMN_ICON, "dialog-warning" ,
SIMPLE_COLUMN_DESCRIPTION, "It's a very good question, very direct, "
"and I'm not going to answer it" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "Whinnie the pooh" ,
SIMPLE_COLUMN_ICON, "process-stop" ,
SIMPLE_COLUMN_DESCRIPTION, "The most wonderful thing about tiggers, "
"is tiggers are wonderful things" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "Aleister Crowley" ,
SIMPLE_COLUMN_ICON, "help-about" ,
SIMPLE_COLUMN_DESCRIPTION,
"Thou shalt do what thou wilt shall be the whole of the law" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
SIMPLE_COLUMN_NAME, "Mark Twain" ,
SIMPLE_COLUMN_ICON, "application-exit" ,
SIMPLE_COLUMN_DESCRIPTION,
"Giving up smoking is the easiest thing in the world. "
"I know because I've done it thousands of times." ,
-1 );
return (GtkTreeModel *)store;
}
static GtkWidget *
simple_iconview (void )
{
GtkTreeModel *model;
GtkWidget *iconview;
GtkCellArea *area;
GtkCellRenderer *renderer;
iconview = gtk_icon_view_new ();
model = simple_list_model ();
gtk_icon_view_set_model (GTK_ICON_VIEW (iconview), model);
gtk_icon_view_set_item_orientation (GTK_ICON_VIEW (iconview), GTK_ORIENTATION_HORIZONTAL);
area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
cell_1 = renderer = gtk_cell_renderer_text_new ();
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, FALSE , FALSE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "text" , SIMPLE_COLUMN_NAME);
cell_2 = renderer = gtk_cell_renderer_pixbuf_new ();
g_object_set (G_OBJECT (renderer), "xalign" , 0 .0 F, NULL);
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, TRUE , FALSE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "icon-name" , SIMPLE_COLUMN_ICON);
cell_3 = renderer = gtk_cell_renderer_text_new ();
g_object_set (G_OBJECT (renderer),
"wrap-mode" , PANGO_WRAP_WORD,
"wrap-width" , 215 ,
NULL);
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, FALSE , TRUE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "text" , SIMPLE_COLUMN_DESCRIPTION);
return iconview;
}
static void
orientation_changed (GtkComboBox *combo,
GtkIconView *iconview)
{
GtkOrientation orientation = gtk_combo_box_get_active (combo);
gtk_icon_view_set_item_orientation (iconview, orientation);
}
static void
align_cell_2_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean align = gtk_check_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_2, "align" , align, NULL);
}
static void
align_cell_3_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean align = gtk_check_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_3, "align" , align, NULL);
}
static void
expand_cell_1_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_check_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_1, "expand" , expand, NULL);
}
static void
expand_cell_2_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_check_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_2, "expand" , expand, NULL);
}
static void
expand_cell_3_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_check_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_3, "expand" , expand, NULL);
}
static void
simple_cell_area (void )
{
GtkWidget *window, *widget;
GtkWidget *iconview, *frame, *vbox, *hbox;
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "CellArea expand and alignments" );
iconview = simple_iconview ();
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
frame = gtk_frame_new (NULL);
gtk_widget_set_hexpand (frame, TRUE );
gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
gtk_widget_set_halign (frame, GTK_ALIGN_FILL);
gtk_frame_set_child (GTK_FRAME (frame), iconview);
/* Now add some controls */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4 );
gtk_box_append (GTK_BOX (hbox), vbox);
gtk_box_append (GTK_BOX (hbox), frame);
widget = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal" );
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical" );
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0 );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "changed" ,
G_CALLBACK (orientation_changed), iconview);
widget = gtk_check_button_new_with_label ("Align 2nd Cell" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), FALSE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (align_cell_2_toggled), iconview);
widget = gtk_check_button_new_with_label ("Align 3rd Cell" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), TRUE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (align_cell_3_toggled), iconview);
widget = gtk_check_button_new_with_label ("Expand 1st Cell" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), FALSE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (expand_cell_1_toggled), iconview);
widget = gtk_check_button_new_with_label ("Expand 2nd Cell" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), TRUE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (expand_cell_2_toggled), iconview);
widget = gtk_check_button_new_with_label ("Expand 3rd Cell" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), FALSE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (expand_cell_3_toggled), iconview);
gtk_window_set_child (GTK_WINDOW (window), hbox);
gtk_window_present (GTK_WINDOW (window));
}
/*******************************************************
* Focus Test *
*******************************************************/
static GtkCellRenderer *focus_renderer, *sibling_renderer;
enum {
FOCUS_COLUMN_NAME,
FOCUS_COLUMN_CHECK,
FOCUS_COLUMN_STATIC_TEXT,
N_FOCUS_COLUMNS
};
static GtkTreeModel *
focus_list_model (void )
{
GtkTreeIter iter;
GtkListStore *store =
gtk_list_store_new (N_FOCUS_COLUMNS,
G_TYPE_STRING, /* name text */
G_TYPE_BOOLEAN, /* check */
G_TYPE_STRING); /* static text */
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
FOCUS_COLUMN_NAME, "Enter a string" ,
FOCUS_COLUMN_CHECK, TRUE ,
FOCUS_COLUMN_STATIC_TEXT, "Does it fly ?" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
FOCUS_COLUMN_NAME, "Enter a string" ,
FOCUS_COLUMN_CHECK, FALSE ,
FOCUS_COLUMN_STATIC_TEXT, "Would you put it in a toaster ?" ,
-1 );
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
FOCUS_COLUMN_NAME, "Type something" ,
FOCUS_COLUMN_CHECK, FALSE ,
FOCUS_COLUMN_STATIC_TEXT, "Does it feed on cute kittens ?" ,
-1 );
return (GtkTreeModel *)store;
}
static void
cell_toggled (GtkCellRendererToggle *cell_renderer,
const char *path,
GtkIconView *iconview)
{
GtkTreeModel *model = gtk_icon_view_get_model (iconview);
GtkTreeIter iter;
gboolean active;
g_print ("Cell toggled !\n" );
if (!gtk_tree_model_get_iter_from_string (model, &iter, path))
return ;
gtk_tree_model_get (model, &iter, FOCUS_COLUMN_CHECK, &active, -1 );
gtk_list_store_set (GTK_LIST_STORE (model), &iter, FOCUS_COLUMN_CHECK, !active, -1 );
}
static void
cell_edited (GtkCellRendererToggle *cell_renderer,
const char *path,
const char *new_text,
GtkIconView *iconview)
{
GtkTreeModel *model = gtk_icon_view_get_model (iconview);
GtkTreeIter iter;
g_print ("Cell edited with new text '%s' !\n" , new_text);
if (!gtk_tree_model_get_iter_from_string (model, &iter, path))
return ;
gtk_list_store_set (GTK_LIST_STORE (model), &iter, FOCUS_COLUMN_NAME, new_text, -1 );
}
static GtkWidget *
focus_iconview (gboolean color_bg, GtkCellRenderer **focus, GtkCellRenderer **sibling)
{
GtkTreeModel *model;
GtkWidget *iconview;
GtkCellArea *area;
GtkCellRenderer *renderer, *toggle;
iconview = gtk_icon_view_new ();
model = focus_list_model ();
gtk_icon_view_set_model (GTK_ICON_VIEW (iconview), model);
gtk_icon_view_set_item_orientation (GTK_ICON_VIEW (iconview), GTK_ORIENTATION_HORIZONTAL);
area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
renderer = gtk_cell_renderer_text_new ();
g_object_set (G_OBJECT (renderer), "editable" , TRUE , NULL);
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, TRUE , FALSE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "text" , FOCUS_COLUMN_NAME);
if (color_bg)
g_object_set (G_OBJECT (renderer), "cell-background" , "red" , NULL);
g_signal_connect (G_OBJECT (renderer), "edited" ,
G_CALLBACK (cell_edited), iconview);
toggle = renderer = gtk_cell_renderer_toggle_new ();
g_object_set (G_OBJECT (renderer), "xalign" , 0 .0 F, NULL);
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, FALSE , TRUE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "active" , FOCUS_COLUMN_CHECK);
if (color_bg)
g_object_set (G_OBJECT (renderer), "cell-background" , "green" , NULL);
if (focus)
*focus = renderer;
g_signal_connect (G_OBJECT (renderer), "toggled" ,
G_CALLBACK (cell_toggled), iconview);
renderer = gtk_cell_renderer_text_new ();
g_object_set (G_OBJECT (renderer),
"wrap-mode" , PANGO_WRAP_WORD,
"wrap-width" , 150 ,
NULL);
if (color_bg)
g_object_set (G_OBJECT (renderer), "cell-background" , "blue" , NULL);
if (sibling)
*sibling = renderer;
gtk_cell_area_box_pack_start (GTK_CELL_AREA_BOX (area), renderer, FALSE , TRUE , FALSE );
gtk_cell_area_attribute_connect (area, renderer, "text" , FOCUS_COLUMN_STATIC_TEXT);
gtk_cell_area_add_focus_sibling (area, toggle, renderer);
return iconview;
}
static void
focus_sibling_toggled (GtkCheckButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean active = gtk_check_button_get_active (toggle);
if (active)
gtk_cell_area_add_focus_sibling (area, focus_renderer, sibling_renderer);
else
gtk_cell_area_remove_focus_sibling (area, focus_renderer, sibling_renderer);
gtk_widget_queue_draw (GTK_WIDGET (iconview));
}
static void
focus_cell_area (void )
{
GtkWidget *window, *widget;
GtkWidget *iconview, *frame, *vbox, *hbox;
window = gtk_window_new ();
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
gtk_window_set_title (GTK_WINDOW (window), "Focus and editable cells" );
iconview = focus_iconview (FALSE , &focus_renderer, &sibling_renderer);
frame = gtk_frame_new (NULL);
gtk_widget_set_hexpand (frame, TRUE );
gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
gtk_widget_set_halign (frame, GTK_ALIGN_FILL);
gtk_frame_set_child (GTK_FRAME (frame), iconview);
/* Now add some controls */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4 );
gtk_box_append (GTK_BOX (hbox), vbox);
gtk_box_append (GTK_BOX (hbox), frame);
widget = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal" );
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical" );
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0 );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "changed" ,
G_CALLBACK (orientation_changed), iconview);
widget = gtk_check_button_new_with_label ("Focus Sibling" );
gtk_check_button_set_active (GTK_CHECK_BUTTON (widget), TRUE );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "toggled" ,
G_CALLBACK (focus_sibling_toggled), iconview);
gtk_window_set_child (GTK_WINDOW (window), hbox);
gtk_window_present (GTK_WINDOW (window));
}
/*******************************************************
* Background Area *
*******************************************************/
static void
cell_spacing_changed (GtkSpinButton *spin_button,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
int value;
value = (int )gtk_spin_button_get_value (spin_button);
gtk_cell_area_box_set_spacing (GTK_CELL_AREA_BOX (area), value);
}
static void
row_spacing_changed (GtkSpinButton *spin_button,
GtkIconView *iconview)
{
int value;
value = (int )gtk_spin_button_get_value (spin_button);
gtk_icon_view_set_row_spacing (iconview, value);
}
static void
item_padding_changed (GtkSpinButton *spin_button,
GtkIconView *iconview)
{
int value;
value = (int )gtk_spin_button_get_value (spin_button);
gtk_icon_view_set_item_padding (iconview, value);
}
static void
background_area (void )
{
GtkWidget *window, *widget, *label, *main_vbox;
GtkWidget *iconview, *frame, *vbox, *hbox;
window = gtk_window_new ();
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4 );
gtk_window_set_child (GTK_WINDOW (window), main_vbox);
gtk_window_set_title (GTK_WINDOW (window), "Background Area" );
label = gtk_label_new ("In this example, row spacing gets divided into the background area, "
"column spacing is added between each background area, item_padding is "
"prepended space distributed to the background area." );
gtk_label_set_wrap (GTK_LABEL (label), TRUE );
gtk_label_set_width_chars (GTK_LABEL (label), 40 );
gtk_box_append (GTK_BOX (main_vbox), label);
iconview = focus_iconview (TRUE , NULL, NULL);
frame = gtk_frame_new (NULL);
gtk_widget_set_hexpand (frame, TRUE );
gtk_widget_set_valign (frame, GTK_ALIGN_CENTER);
gtk_widget_set_halign (frame, GTK_ALIGN_FILL);
gtk_frame_set_child (GTK_FRAME (frame), iconview);
/* Now add some controls */
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4 );
gtk_box_append (GTK_BOX (hbox), vbox);
gtk_box_append (GTK_BOX (hbox), frame);
gtk_box_append (GTK_BOX (main_vbox), hbox);
widget = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal" );
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical" );
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0 );
gtk_box_append (GTK_BOX (vbox), widget);
g_signal_connect (G_OBJECT (widget), "changed" ,
G_CALLBACK (orientation_changed), iconview);
widget = gtk_spin_button_new_with_range (0 , 10 , 1 );
label = gtk_label_new ("Cell spacing" );
gtk_widget_set_hexpand (label, TRUE );
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
gtk_box_append (GTK_BOX (hbox), label);
gtk_box_append (GTK_BOX (hbox), widget);
gtk_box_append (GTK_BOX (vbox), hbox);
g_signal_connect (G_OBJECT (widget), "value-changed" ,
G_CALLBACK (cell_spacing_changed), iconview);
widget = gtk_spin_button_new_with_range (0 , 10 , 1 );
gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), gtk_icon_view_get_row_spacing (GTK_ICON_VIEW (iconview)));
label = gtk_label_new ("Row spacing" );
gtk_widget_set_hexpand (label, TRUE );
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
gtk_box_append (GTK_BOX (hbox), label);
gtk_box_append (GTK_BOX (hbox), widget);
gtk_box_append (GTK_BOX (vbox), hbox);
g_signal_connect (G_OBJECT (widget), "value-changed" ,
G_CALLBACK (row_spacing_changed), iconview);
widget = gtk_spin_button_new_with_range (0 , 30 , 1 );
label = gtk_label_new ("Item padding" );
gtk_widget_set_hexpand (label, TRUE );
gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget), gtk_icon_view_get_item_padding (GTK_ICON_VIEW (iconview)));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4 );
gtk_box_append (GTK_BOX (hbox), label);
gtk_box_append (GTK_BOX (hbox), widget);
gtk_box_append (GTK_BOX (vbox), hbox);
g_signal_connect (G_OBJECT (widget), "value-changed" ,
G_CALLBACK (item_padding_changed), iconview);
gtk_window_present (GTK_WINDOW (window));
}
int
main (int argc, char *argv[])
{
gtk_init ();
if (g_getenv ("RTL" ))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
simple_cell_area ();
focus_cell_area ();
background_area ();
while (TRUE )
g_main_context_iteration (NULL, TRUE );
return 0 ;
}
Messung V0.5 in Prozent C=98 H=96 G=96
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-07-03)
¤
*© Formatika GbR, Deutschland