gtk2/tests/testcellarea.c
2020-08-21 15:29:34 +02:00

605 lines
19 KiB
C

#include <gtk/gtk.h>
/*******************************************************
* 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", 0.0F, 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 (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean align = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_2, "align", align, NULL);
}
static void
align_cell_3_toggled (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean align = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_3, "align", align, NULL);
}
static void
expand_cell_1_toggled (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_1, "expand", expand, NULL);
}
static void
expand_cell_2_toggled (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_toggle_button_get_active (toggle);
gtk_cell_area_cell_set (area, cell_2, "expand", expand, NULL);
}
static void
expand_cell_3_toggled (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean expand = gtk_toggle_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_toggle_button_set_active (GTK_TOGGLE_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_toggle_button_set_active (GTK_TOGGLE_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_toggle_button_set_active (GTK_TOGGLE_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_toggle_button_set_active (GTK_TOGGLE_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_toggle_button_set_active (GTK_TOGGLE_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_widget_show (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", 0.0F, 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 (GtkToggleButton *toggle,
GtkIconView *iconview)
{
GtkCellArea *area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (iconview));
gboolean active = gtk_toggle_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_toggle_button_set_active (GTK_TOGGLE_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_widget_show (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_widget_show (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;
}