static void
gtk_application_window_real_get_preferred_width_for_height (GtkWidget *widget,
gint height,
gint *minimum_width,
gint *natural_width)
{
GtkApplicationWindow *window = GTK_APPLICATION_WINDOW (widget);
gint menubar_height;
if (window->priv->menubar != NULL)
gtk_widget_get_preferred_height (window->priv->menubar, &menubar_height, NULL);
else
menubar_height = 0;
GTK_WIDGET_CLASS (gtk_application_window_parent_class)
->get_preferred_width_for_height (widget, height - menubar_height, minimum_width, natural_width);
if (window->priv->menubar != NULL)
{
gint menubar_min_width, menubar_nat_width;
gint border_width;
GtkBorder border = { 0 };
gtk_widget_get_preferred_width_for_height (window->priv->menubar, menubar_height, &menubar_min_width, &menubar_nat_width);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
_gtk_window_get_shadow_width (GTK_WINDOW (widget), &border);
menubar_min_width += 2 * border_width + border.left + border.right;
menubar_nat_width += 2 * border_width + border.left + border.right;
*minimum_width = MAX (*minimum_width, menubar_min_width);
*natural_width = MAX (*natural_width, menubar_nat_width);
}
}
/* Ignores (x, y) on input, translates event coordinates to
* allocation relative (x, y) of the returned widget.
*/
static GtkWidget *
find_topmost_widget_coords_from_event (GdkEvent *event,
gint *x,
gint *y)
{
GtkAllocation allocation;
gint tx, ty;
gdouble dx, dy;
GtkWidget *tmp;
gdk_event_get_coords (event, &dx, &dy);
/* Returns coordinates relative to tmp's allocation. */
tmp = _gtk_widget_find_at_coords (event->any.window, dx, dy, &tx, &ty);
if (!tmp)
return NULL;
/* Make sure the pointer can actually be on the widget returned. */
gtk_widget_get_allocation (tmp, &allocation);
allocation.x = 0;
allocation.y = 0;
if (GTK_IS_WINDOW (tmp))
{
GtkBorder border;
_gtk_window_get_shadow_width (GTK_WINDOW (tmp), &border);
allocation.x = border.left;
allocation.y = border.top;
allocation.width -= border.left + border.right;
allocation.height -= border.top + border.bottom;
}
if (tx < allocation.x || tx >= allocation.width ||
ty < allocation.y || ty >= allocation.height)
return NULL;
if (x)
*x = tx;
if (y)
*y = ty;
return tmp;
}
static void
get_bounding_box (GtkWidget *widget,
GdkRectangle *bounds)
{
GtkAllocation allocation;
GtkBorder border = { 0, };
GdkWindow *window;
gint x, y;
gint w, h;
gint x1, y1;
gint x2, y2;
gint x3, y3;
gint x4, y4;
window = gtk_widget_get_parent_window (widget);
if (window == NULL)
window = gtk_widget_get_window (widget);
gtk_widget_get_allocation (widget, &allocation);
if (GTK_IS_WINDOW (widget))
_gtk_window_get_shadow_width (GTK_WINDOW (widget), &border);
x = allocation.x + border.left;
y = allocation.y + border.right;
w = allocation.width - border.left - border.right;
h = allocation.height - border.top - border.bottom;
gdk_window_get_root_coords (window, x, y, &x1, &y1);
gdk_window_get_root_coords (window, x + w, y, &x2, &y2);
gdk_window_get_root_coords (window, x, y + h, &x3, &y3);
gdk_window_get_root_coords (window, x + w, y + h, &x4, &y4);
#define MIN4(a,b,c,d) MIN(MIN(a,b),MIN(c,d))
#define MAX4(a,b,c,d) MAX(MAX(a,b),MAX(c,d))
bounds->x = floor (MIN4 (x1, x2, x3, x4));
bounds->y = floor (MIN4 (y1, y2, y3, y4));
bounds->width = ceil (MAX4 (x1, x2, x3, x4)) - bounds->x;
bounds->height = ceil (MAX4 (y1, y2, y3, y4)) - bounds->y;
}
static void
gtk_tooltip_position (GtkTooltip *tooltip,
GdkDisplay *display,
GtkWidget *new_tooltip_widget)
{
gint x, y, width, height;
GdkScreen *screen;
gint monitor_num;
GdkRectangle monitor;
guint cursor_size;
GdkRectangle bounds;
GtkBorder border;
#define MAX_DISTANCE 32
gtk_widget_realize (GTK_WIDGET (tooltip->current_window));
gtk_widget_set_visible (GTK_WIDGET (tooltip->current_window), TRUE);
tooltip->tooltip_widget = new_tooltip_widget;
screen = gtk_widget_get_screen (new_tooltip_widget);
_gtk_window_get_shadow_width (GTK_WINDOW (tooltip->current_window), &border);
width = gtk_widget_get_allocated_width (GTK_WIDGET (tooltip->current_window)) - border.left - border.right;
height = gtk_widget_get_allocated_height (GTK_WIDGET (tooltip->current_window)) - border.top - border.bottom;
monitor_num = gdk_screen_get_monitor_at_point (screen,
tooltip->last_x,
tooltip->last_y);
gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
get_bounding_box (new_tooltip_widget, &bounds);
/* Position the tooltip */
cursor_size = gdk_display_get_default_cursor_size (display);
/* Try below */
x = bounds.x + bounds.width / 2 - width / 2;
y = bounds.y + bounds.height + 4;
if (y + height <= monitor.y + monitor.height)
{
if (tooltip->keyboard_mode_enabled)
goto found;
if (y <= tooltip->last_y + cursor_size + MAX_DISTANCE)
{
if (tooltip->last_x + cursor_size + MAX_DISTANCE < x)
x = tooltip->last_x + cursor_size + MAX_DISTANCE;
else if (x + width < tooltip->last_x - MAX_DISTANCE)
x = tooltip->last_x - MAX_DISTANCE - width;
goto found;
}
}
/* Try above */
x = bounds.x + bounds.width / 2 - width / 2;
y = bounds.y - height - 4;
if (y >= monitor.y)
{
if (tooltip->keyboard_mode_enabled)
goto found;
if (y + height >= tooltip->last_y - MAX_DISTANCE)
{
if (tooltip->last_x + cursor_size + MAX_DISTANCE < x)
x = tooltip->last_x + cursor_size + MAX_DISTANCE;
else if (x + width < tooltip->last_x - MAX_DISTANCE)
x = tooltip->last_x - MAX_DISTANCE - width;
goto found;
}
}
/* Try right FIXME: flip on rtl ? */
x = bounds.x + bounds.width + 4;
y = bounds.y + bounds.height / 2 - height / 2;
if (x + width <= monitor.x + monitor.width)
{
if (tooltip->keyboard_mode_enabled)
goto found;
if (x <= tooltip->last_x + cursor_size + MAX_DISTANCE)
{
if (tooltip->last_y + cursor_size + MAX_DISTANCE < y)
y = tooltip->last_y + cursor_size + MAX_DISTANCE;
else if (y + height < tooltip->last_y - MAX_DISTANCE)
y = tooltip->last_y - MAX_DISTANCE - height;
goto found;
}
}
/* Try left FIXME: flip on rtl ? */
x = bounds.x - width - 4;
y = bounds.y + bounds.height / 2 - height / 2;
if (x >= monitor.x)
{
if (tooltip->keyboard_mode_enabled)
goto found;
if (x + width >= tooltip->last_x - MAX_DISTANCE)
{
if (tooltip->last_y + cursor_size + MAX_DISTANCE < y)
y = tooltip->last_y + cursor_size + MAX_DISTANCE;
else if (y + height < tooltip->last_y - MAX_DISTANCE)
y = tooltip->last_y - MAX_DISTANCE - height;
goto found;
}
}
/* Fallback */
if (tooltip->keyboard_mode_enabled)
{
x = bounds.x + bounds.width / 2 - width / 2;
y = bounds.y + bounds.height + 4;
}
else
{
/* At cursor */
x = tooltip->last_x + cursor_size * 3 / 4;
y = tooltip->last_y + cursor_size * 3 / 4;
}
found:
/* Show it */
if (tooltip->current_window)
{
if (x + width > monitor.x + monitor.width)
x -= x - (monitor.x + monitor.width) + width;
else if (x < monitor.x)
x = monitor.x;
if (y + height > monitor.y + monitor.height)
y -= y - (monitor.y + monitor.height) + height;
else if (y < monitor.y)
y = monitor.y;
if (!tooltip->keyboard_mode_enabled)
{
/* don't pop up under the pointer */
if (x <= tooltip->last_x && tooltip->last_x < x + width &&
y <= tooltip->last_y && tooltip->last_y < y + height)
y = tooltip->last_y - height - 2;
}
#ifdef GDK_WINDOWING_WAYLAND
/* set the transient parent on the tooltip when running with the Wayland
* backend to allow correct positioning of the tooltip windows */
if (GDK_IS_WAYLAND_DISPLAY (display))
{
GtkWidget *toplevel;
toplevel = gtk_widget_get_toplevel (tooltip->tooltip_widget);
if (GTK_IS_WINDOW (toplevel))
gtk_window_set_transient_for (GTK_WINDOW (tooltip->current_window),
GTK_WINDOW (toplevel));
}
#endif
x -= border.left;
y -= border.top;
gtk_window_move (GTK_WINDOW (tooltip->current_window), x, y);
gtk_widget_show (GTK_WIDGET (tooltip->current_window));
}
}
