mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-30 15:31:34 +00:00
4cc4868e93
The property names are "wrap" and "wrap-mode", so it doesn't make sense that the accessors refer to line_wrap and line_wrap_mode.
334 lines
11 KiB
C
334 lines
11 KiB
C
#include <gtk/gtk.h>
|
|
|
|
|
|
static void
|
|
horizontal_policy_changed (GtkComboBox *combo_box,
|
|
GtkViewport *viewport)
|
|
{
|
|
GtkScrollablePolicy policy = gtk_combo_box_get_active (combo_box);
|
|
|
|
gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (viewport), policy);
|
|
}
|
|
|
|
static void
|
|
vertical_policy_changed (GtkComboBox *combo_box,
|
|
GtkViewport *viewport)
|
|
{
|
|
GtkScrollablePolicy policy = gtk_combo_box_get_active (combo_box);
|
|
|
|
gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (viewport), policy);
|
|
}
|
|
|
|
static void
|
|
content_width_changed (GtkSpinButton *spin_button,
|
|
gpointer data)
|
|
{
|
|
GtkScrolledWindow *swindow = data;
|
|
gdouble value;
|
|
|
|
value = gtk_spin_button_get_value (spin_button);
|
|
gtk_scrolled_window_set_min_content_width (swindow, (gint)value);
|
|
}
|
|
|
|
static void
|
|
content_height_changed (GtkSpinButton *spin_button,
|
|
gpointer data)
|
|
{
|
|
GtkScrolledWindow *swindow = data;
|
|
gdouble value;
|
|
|
|
value = gtk_spin_button_get_value (spin_button);
|
|
gtk_scrolled_window_set_min_content_height (swindow, (gint)value);
|
|
}
|
|
|
|
static void
|
|
kinetic_scrolling_changed (GtkToggleButton *toggle_button,
|
|
gpointer data)
|
|
{
|
|
GtkScrolledWindow *swindow = data;
|
|
gboolean enabled = gtk_toggle_button_get_active (toggle_button);
|
|
|
|
gtk_scrolled_window_set_kinetic_scrolling (swindow, enabled);
|
|
}
|
|
|
|
static void
|
|
add_row (GtkButton *button,
|
|
GtkListBox *listbox)
|
|
{
|
|
GtkWidget *row;
|
|
|
|
row = g_object_new (GTK_TYPE_LIST_BOX_ROW, NULL);
|
|
gtk_container_add (GTK_CONTAINER (row), gtk_label_new ("test"));
|
|
gtk_container_add (GTK_CONTAINER (listbox), row);
|
|
}
|
|
|
|
static void
|
|
remove_row (GtkButton *button,
|
|
GtkListBox *listbox)
|
|
{
|
|
GList *children, *last;
|
|
|
|
children = gtk_container_get_children (GTK_CONTAINER (listbox));
|
|
last = g_list_last (children);
|
|
|
|
if (last)
|
|
gtk_container_remove (GTK_CONTAINER (listbox), last->data);
|
|
|
|
g_list_free (children);
|
|
}
|
|
|
|
static void
|
|
scrollable_policy (void)
|
|
{
|
|
GtkWidget *window, *swindow, *hbox, *vbox, *frame, *cntl, *listbox;
|
|
GtkWidget *viewport, *label, *expander, *widget, *popover;
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
|
|
|
|
gtk_widget_show (vbox);
|
|
gtk_widget_show (hbox);
|
|
gtk_container_add (GTK_CONTAINER (window), hbox);
|
|
gtk_container_add (GTK_CONTAINER (hbox), vbox);
|
|
|
|
frame = gtk_frame_new ("Scrolled Window");
|
|
gtk_widget_set_hexpand (frame, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), frame);
|
|
|
|
swindow = gtk_scrolled_window_new (NULL, NULL);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
|
|
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
|
|
|
|
gtk_widget_show (swindow);
|
|
gtk_container_add (GTK_CONTAINER (frame), swindow);
|
|
|
|
viewport = gtk_viewport_new (NULL, NULL);
|
|
label = gtk_label_new ("Here is a wrapping label with a minimum width-chars of 40 and "
|
|
"a natural max-width-chars of 100 to demonstrate the usage of "
|
|
"scrollable widgets \"hscroll-policy\" and \"vscroll-policy\" "
|
|
"properties. Note also that when playing with the window height, "
|
|
"one can observe that the vscrollbar disappears as soon as there "
|
|
"is enough height to fit the content vertically if the window were "
|
|
"to be allocated a width without a vscrollbar present");
|
|
|
|
gtk_label_set_wrap (GTK_LABEL (label), TRUE);
|
|
gtk_label_set_width_chars (GTK_LABEL (label), 40);
|
|
gtk_label_set_max_width_chars (GTK_LABEL (label), 100);
|
|
|
|
gtk_widget_show (label);
|
|
gtk_widget_show (viewport);
|
|
gtk_container_add (GTK_CONTAINER (viewport), label);
|
|
gtk_container_add (GTK_CONTAINER (swindow), viewport);
|
|
|
|
/* Add controls here */
|
|
expander = gtk_expander_new ("Controls");
|
|
gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
|
|
cntl = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
|
|
gtk_widget_show (cntl);
|
|
gtk_widget_show (expander);
|
|
gtk_container_add (GTK_CONTAINER (expander), cntl);
|
|
gtk_container_add (GTK_CONTAINER (vbox), expander);
|
|
|
|
/* Add Horizontal policy control here */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
gtk_widget_show (hbox);
|
|
|
|
widget = gtk_label_new ("hscroll-policy");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_combo_box_text_new ();
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Minimum");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Natural");
|
|
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (cntl), hbox);
|
|
|
|
g_signal_connect (G_OBJECT (widget), "changed",
|
|
G_CALLBACK (horizontal_policy_changed), viewport);
|
|
|
|
/* Add Vertical policy control here */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
gtk_widget_show (hbox);
|
|
|
|
widget = gtk_label_new ("vscroll-policy");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_combo_box_text_new ();
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Minimum");
|
|
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Natural");
|
|
gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (cntl), hbox);
|
|
|
|
g_signal_connect (G_OBJECT (widget), "changed",
|
|
G_CALLBACK (vertical_policy_changed), viewport);
|
|
|
|
/* Content size controls */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
|
|
widget = gtk_label_new ("min-content-width");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_spin_button_new_with_range (100.0, 1000.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (cntl), hbox);
|
|
gtk_widget_show (widget);
|
|
gtk_widget_show (hbox);
|
|
|
|
g_signal_connect (G_OBJECT (widget), "value-changed",
|
|
G_CALLBACK (content_width_changed), swindow);
|
|
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
|
|
widget = gtk_label_new ("min-content-height");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_spin_button_new_with_range (100.0, 1000.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (cntl), hbox);
|
|
gtk_widget_show (widget);
|
|
gtk_widget_show (hbox);
|
|
|
|
g_signal_connect (G_OBJECT (widget), "value-changed",
|
|
G_CALLBACK (content_height_changed), swindow);
|
|
|
|
/* Add Kinetic scrolling control here */
|
|
widget = gtk_check_button_new_with_label ("Kinetic scrolling");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (cntl), widget);
|
|
g_signal_connect (G_OBJECT (widget), "toggled",
|
|
G_CALLBACK (kinetic_scrolling_changed), swindow);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
/* Popover */
|
|
popover = gtk_popover_new (NULL);
|
|
|
|
widget = gtk_menu_button_new ();
|
|
gtk_menu_button_set_popover (GTK_MENU_BUTTON (widget), popover);
|
|
gtk_menu_button_set_label (GTK_MENU_BUTTON (widget), "Popover");
|
|
gtk_container_add (GTK_CONTAINER (cntl), widget);
|
|
|
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
|
|
gtk_container_add (GTK_CONTAINER (popover), vbox);
|
|
|
|
/* Popover's scrolled window */
|
|
swindow = gtk_scrolled_window_new (NULL, NULL);
|
|
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
|
|
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
|
|
|
|
gtk_container_add (GTK_CONTAINER (vbox), swindow);
|
|
|
|
/* Listbox */
|
|
listbox = gtk_list_box_new ();
|
|
gtk_container_add (GTK_CONTAINER (swindow), listbox);
|
|
gtk_widget_show (listbox);
|
|
|
|
/* Min content */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
|
|
widget = gtk_label_new ("min-content-width");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_spin_button_new_with_range (0.0, 150.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
g_object_bind_property (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget)),
|
|
"value",
|
|
swindow,
|
|
"min-content-width",
|
|
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
|
|
|
|
widget = gtk_label_new ("min-content-height");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
|
|
widget = gtk_spin_button_new_with_range (0.0, 150.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
|
|
|
g_object_bind_property (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget)),
|
|
"value",
|
|
swindow,
|
|
"min-content-height",
|
|
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
|
|
|
|
/* Max content */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
|
|
widget = gtk_label_new ("max-content-width");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_spin_button_new_with_range (250.0, 1000.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
g_object_bind_property (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget)),
|
|
"value",
|
|
swindow,
|
|
"max-content-width",
|
|
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
|
|
|
|
widget = gtk_label_new ("max-content-height");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
widget = gtk_spin_button_new_with_range (250.0, 1000.0, 10.0);
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
|
|
|
g_object_bind_property (gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget)),
|
|
"value",
|
|
swindow,
|
|
"max-content-height",
|
|
G_BINDING_DEFAULT | G_BINDING_SYNC_CREATE);
|
|
|
|
/* Add and Remove buttons */
|
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
|
|
|
|
widget = gtk_button_new_with_label ("Remove");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
|
|
g_signal_connect (widget, "clicked",
|
|
G_CALLBACK (remove_row), listbox);
|
|
|
|
widget = gtk_button_new_with_label ("Add");
|
|
gtk_widget_set_hexpand (widget, TRUE);
|
|
gtk_container_add (GTK_CONTAINER (hbox), widget);
|
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
|
|
|
g_signal_connect (widget, "clicked",
|
|
G_CALLBACK (add_row), listbox);
|
|
}
|
|
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
gtk_init ();
|
|
|
|
scrollable_policy ();
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
}
|