gnome-control-center/capplets/mouse/gnome-mouse-properties.c
2001-12-16 08:23:09 +00:00

443 lines
13 KiB
C

#include <gnome.h>
#include <gconf/gconf-client.h>
#include <glade/glade.h>
#include <math.h>
enum
{
DOUBLE_CLICK_TEST_OFF,
DOUBLE_CLICK_TEST_MAYBE,
DOUBLE_CLICK_TEST_ON,
};
GladeXML *xml;
GdkPixbuf *left_handed_pixbuf;
GdkPixbuf *right_handed_pixbuf;
GdkPixbuf *double_click_on_pixbuf;
GdkPixbuf *double_click_maybe_pixbuf;
GdkPixbuf *double_click_off_pixbuf;
GConfClient *client;
gint double_click_state = DOUBLE_CLICK_TEST_OFF;
guint32 double_click_timestamp = 0;
guint test_maybe_timeout_id = 0;
guint test_on_timeout_id = 0;
#define LEFT_HANDED_KEY "/desktop/gnome/peripherals/mouse/left_handed"
#define DOUBLE_CLICK_KEY "/desktop/gnome/peripherals/mouse/double_click"
#define MOTION_ACCELERATION_KEY "/desktop/gnome/peripherals/mouse/motion_acceleration"
#define MOTION_THRESHOLD_KEY "/desktop/gnome/peripherals/mouse/motion_threshold"
#define DRAG_THRESHOLD_KEY "/desktop/gnome/peripherals/mouse/drag_threshold"
/* normalilzation routines */
/* All of our scales but double_click are on the range 1->10 as a result, we
* have a few routines to convert from whatever the gconf key is to our range.
*/
static gint
double_click_from_gconf (gint double_click)
{
/* watch me be lazy */
if (double_click < 150)
return 100;
else if (double_click < 250)
return 200;
else if (double_click < 350)
return 300;
else if (double_click < 450)
return 400;
else if (double_click < 550)
return 500;
else if (double_click < 650)
return 600;
else if (double_click < 750)
return 700;
else if (double_click < 850)
return 800;
else if (double_click < 950)
return 900;
else
return 1000;
}
static gfloat
motion_acceleration_from_gconf (gfloat motion_acceleration)
{
motion_acceleration = CLAMP (motion_acceleration, 0.2, 6.0);
if (motion_acceleration >=1)
return motion_acceleration + 4;
return motion_acceleration * 5;
}
static gfloat
motion_acceleration_to_gconf (gfloat motion_acceleration)
{
motion_acceleration = CLAMP (motion_acceleration, 1.0, 10.0);
if (motion_acceleration < 5)
return motion_acceleration / 5.0;
return motion_acceleration - 4;
}
static gfloat
threshold_from_gconf (gfloat drag_threshold)
{
return CLAMP (drag_threshold, 1, 10);
}
/* Double Click handling */
static gboolean
test_maybe_timeout (gpointer data)
{
GtkWidget *darea;
darea = glade_xml_get_widget (xml, "double_click_darea");
double_click_state = DOUBLE_CLICK_TEST_OFF;
gtk_widget_queue_draw (darea);
*((gint *)data) = 0;
return FALSE;
}
static gint
drawing_area_button_press_event (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
GtkWidget *scale;
GtkWidget *darea;
gint double_click_time;
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
scale = glade_xml_get_widget (xml, "delay_scale");
double_click_time = 1000 * gtk_range_get_value (GTK_RANGE (scale));
darea = glade_xml_get_widget (xml, "double_click_darea");
if (test_maybe_timeout_id != 0)
gtk_timeout_remove (test_maybe_timeout_id);
if (test_on_timeout_id != 0)
gtk_timeout_remove (test_on_timeout_id);
switch (double_click_state) {
case DOUBLE_CLICK_TEST_OFF:
double_click_state = DOUBLE_CLICK_TEST_MAYBE;
test_maybe_timeout_id = gtk_timeout_add (double_click_time, test_maybe_timeout, &test_maybe_timeout_id);
break;
case DOUBLE_CLICK_TEST_MAYBE:
if (event->time - double_click_timestamp < double_click_time) {
double_click_state = DOUBLE_CLICK_TEST_ON;
test_on_timeout_id = gtk_timeout_add (2500, test_maybe_timeout, &test_on_timeout_id);
}
break;
case DOUBLE_CLICK_TEST_ON:
double_click_state = DOUBLE_CLICK_TEST_OFF;
break;
}
double_click_timestamp = event->time;
gtk_widget_queue_draw (darea);
return TRUE;
}
static gint
drawing_area_expose_event (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
{
static gboolean first_time = 1;
GdkPixbuf *pixbuf;
if (first_time) {
gdk_window_set_events (widget->window, gdk_window_get_events (widget->window) | GDK_BUTTON_PRESS_MASK);
g_signal_connect (widget, "button_press_event", (GCallback) drawing_area_button_press_event, NULL);
first_time = 0;
}
gdk_draw_rectangle (widget->window,
widget->style->white_gc,
TRUE, 0, 0,
widget->allocation.width,
widget->allocation.height);
switch (double_click_state) {
case DOUBLE_CLICK_TEST_ON:
pixbuf = double_click_on_pixbuf;
break;
case DOUBLE_CLICK_TEST_MAYBE:
pixbuf = double_click_maybe_pixbuf;
break;
case DOUBLE_CLICK_TEST_OFF:
pixbuf = double_click_off_pixbuf;
break;
}
gdk_pixbuf_render_to_drawable_alpha (pixbuf,
widget->window,
0, 0,
(widget->allocation.width - gdk_pixbuf_get_width (pixbuf))/2,
(widget->allocation.height - gdk_pixbuf_get_height (pixbuf))/2,
-1, -1,
GDK_PIXBUF_ALPHA_FULL,
0,
GDK_RGB_DITHER_NORMAL,
0, 0);
return TRUE;
}
/* capplet->gconf settings */
static void
left_handed_toggle_callback (GtkWidget *toggle, gpointer data)
{
GtkWidget *image;
image = glade_xml_get_widget (xml, "orientation_image");
if (GTK_TOGGLE_BUTTON (toggle)->active)
g_object_set (G_OBJECT (image),
"pixbuf", left_handed_pixbuf,
NULL);
else
g_object_set (G_OBJECT (image),
"pixbuf", right_handed_pixbuf,
NULL);
gconf_client_set_bool (client, LEFT_HANDED_KEY,
GTK_TOGGLE_BUTTON (toggle)->active,
NULL);
}
static void
double_click_callback (GtkAdjustment *adjustment, gpointer data)
{
gint double_click;
double_click = gtk_adjustment_get_value (adjustment) * 1000;
/* we normalize this to avoid loops */
if (double_click != double_click_from_gconf (double_click)) {
gtk_adjustment_set_value (adjustment, (double_click_from_gconf (double_click))/1000.0);
return;
}
gconf_client_set_int (client, DOUBLE_CLICK_KEY,
double_click,
NULL);
}
static void
threshold_callback (GtkAdjustment *adjustment, gpointer key)
{
gint threshold;
threshold = (gint) rint (gtk_adjustment_get_value (adjustment));
gconf_client_set_int (client, (char *) key,
threshold,
NULL);
}
static void
acceleration_callback (GtkAdjustment *adjustment, gpointer data)
{
gfloat acceleration;
acceleration = gtk_adjustment_get_value (adjustment);
gconf_client_set_float (client, MOTION_ACCELERATION_KEY,
motion_acceleration_to_gconf (acceleration),
NULL);
}
/* gconf->capplet */
static void
gconf_changed_callback (GConfClient *client,
guint cnxn_id,
GConfEntry *entry,
gpointer user_data)
{
GtkWidget *widget;
const gchar *key = gconf_entry_get_key (entry);
if (! strcmp (key, LEFT_HANDED_KEY)) {
gboolean left_handed;
left_handed = gconf_value_get_bool (gconf_entry_get_value (entry));
widget = glade_xml_get_widget (xml, "left_handed_toggle");
if (left_handed != GTK_TOGGLE_BUTTON (widget)->active)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), left_handed);
} else if (! strcmp (key, DOUBLE_CLICK_KEY)) {
int double_click;
double_click = gconf_value_get_int (gconf_entry_get_value (entry));
double_click = double_click_from_gconf (double_click);
widget = glade_xml_get_widget (xml, "delay_scale");
if (double_click != (gint) 1000*gtk_range_get_value (GTK_RANGE (widget)))
gtk_range_set_value (GTK_RANGE (widget), (gfloat)double_click/1000.0);
} else if (! strcmp (key, MOTION_ACCELERATION_KEY)) {
gfloat acceleration;
acceleration = gconf_value_get_float (gconf_entry_get_value (entry));
acceleration = motion_acceleration_from_gconf (acceleration);
widget = glade_xml_get_widget (xml, "accel_scale");
if (ABS (acceleration - gtk_range_get_value (GTK_RANGE (widget))) > 0.001)
gtk_range_set_value (GTK_RANGE (widget), acceleration);
} else if (! strcmp (key, MOTION_THRESHOLD_KEY)) {
int threshold;
threshold = gconf_value_get_int (gconf_entry_get_value (entry));
threshold = threshold_from_gconf (threshold);
widget = glade_xml_get_widget (xml, "sensitivity_scale");
if (ABS (threshold - gtk_range_get_value (GTK_RANGE (widget))) > 0.001)
gtk_range_set_value (GTK_RANGE (widget), (gfloat)threshold);
} else if (! strcmp (key, DRAG_THRESHOLD_KEY)) {
int threshold;
threshold = gconf_value_get_int (gconf_entry_get_value (entry));
threshold = threshold_from_gconf (threshold);
widget = glade_xml_get_widget (xml, "drag_threshold_scale");
if (ABS (threshold - gtk_range_get_value (GTK_RANGE (widget))) > 0.001)
gtk_range_set_value (GTK_RANGE (widget), (gfloat)threshold);
}
}
static void
setup_dialog (void)
{
GtkSizeGroup *size_group;
GtkWidget *widget;
int double_click;
int threshold;
gfloat acceleration;
client = gconf_client_get_default ();
gconf_client_add_dir (client, "/desktop/gnome/peripherals/mouse", GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
gconf_client_notify_add (client, "/desktop/gnome/peripherals/mouse",
gconf_changed_callback,
NULL, NULL, NULL);
/* Buttons page
*/
/* Left-handed toggle */
left_handed_pixbuf = gdk_pixbuf_new_from_file ("mouse-left.png", NULL);
right_handed_pixbuf = gdk_pixbuf_new_from_file ("mouse-right.png", NULL);
widget = glade_xml_get_widget (xml, "left_handed_toggle");
if (gconf_client_get_bool (client, LEFT_HANDED_KEY, NULL))
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
else
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), FALSE);
g_signal_connect (widget, "toggled", (GCallback) left_handed_toggle_callback, NULL);
widget = glade_xml_get_widget (xml, "orientation_image");
if (gconf_client_get_bool (client, LEFT_HANDED_KEY, NULL))
g_object_set (G_OBJECT (widget),
"pixbuf", left_handed_pixbuf,
NULL);
else
g_object_set (G_OBJECT (widget),
"pixbuf", right_handed_pixbuf,
NULL);
/* Double-click time */
double_click_on_pixbuf = gdk_pixbuf_new_from_file ("double-click-on.png", NULL);
double_click_maybe_pixbuf = gdk_pixbuf_new_from_file ("double-click-maybe.png", NULL);
double_click_off_pixbuf = gdk_pixbuf_new_from_file ("double-click-off.png", NULL);
widget = glade_xml_get_widget (xml, "double_click_darea");
g_signal_connect (widget, "expose_event", (GCallback) drawing_area_expose_event, NULL);
double_click = gconf_client_get_int (client, DOUBLE_CLICK_KEY, NULL);
double_click = double_click_from_gconf (double_click);
widget = glade_xml_get_widget (xml, "delay_scale");
gtk_range_set_value (GTK_RANGE (widget), (gfloat)double_click/1000.0);
g_signal_connect (G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (widget))),
"value_changed",
(GCallback) double_click_callback,
NULL);
/* Cursors page */
widget = glade_xml_get_widget (xml, "main_notebook");
gtk_notebook_remove_page (GTK_NOTEBOOK (widget), 1);
/* Motion page */
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "acceleration_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "sensitivity_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "threshold_label"));
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "high_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "fast_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "large_label"));
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "low_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "slow_label"));
gtk_size_group_add_widget (size_group,
glade_xml_get_widget (xml, "small_label"));
widget = glade_xml_get_widget (xml, "accel_scale");
acceleration = gconf_client_get_float (client, MOTION_ACCELERATION_KEY, NULL);
acceleration = motion_acceleration_from_gconf (acceleration);
gtk_range_set_value (GTK_RANGE (widget), acceleration);
g_signal_connect (G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (widget))),
"value_changed",
(GCallback) acceleration_callback,
NULL);
widget = glade_xml_get_widget (xml, "sensitivity_scale");
threshold = gconf_client_get_int (client, MOTION_THRESHOLD_KEY, NULL);
threshold = threshold_from_gconf (threshold);
gtk_range_set_value (GTK_RANGE (widget), threshold);
g_signal_connect (G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (widget))),
"value_changed",
(GCallback) threshold_callback,
MOTION_THRESHOLD_KEY);
widget = glade_xml_get_widget (xml, "drag_threshold_scale");
threshold = gconf_client_get_int (client, DRAG_THRESHOLD_KEY, NULL);
threshold = threshold_from_gconf (threshold);
gtk_range_set_value (GTK_RANGE (widget), threshold);
g_signal_connect (G_OBJECT (gtk_range_get_adjustment (GTK_RANGE (widget))),
"value_changed",
(GCallback) threshold_callback,
DRAG_THRESHOLD_KEY);
/* main dialog */
widget = glade_xml_get_widget (xml, "mouse_properties_dialog");
g_signal_connect (G_OBJECT (widget),
"destroy",
gtk_main_quit, NULL);
widget = glade_xml_get_widget (xml, "close_button");
g_signal_connect (G_OBJECT (widget),
"clicked",
gtk_main_quit, NULL);
}
int
main (int argc, char *argv[])
{
gnome_program_init ("mouse-properties",
"0.1",
gnome_gtk_module_info_get (),
argc, argv,
NULL);
xml = glade_xml_new ("gnome-mouse-properties.glade", NULL, NULL);
setup_dialog ();
gtk_widget_show_all (glade_xml_get_widget (xml, "mouse_properties_dialog"));
gtk_main ();
g_object_unref (G_OBJECT (client));
return 0;
}