double Scrollbar::getWheelDelta(GdkScrollDirection direction) {
double delta;
GtkRange * range = GTK_RANGE(this->scrollbar);
if (GTK_IS_SCROLLBAR(range)) {
delta = pow(gtk_adjustment_get_page_size(this->adj), 2.0 / 3.0);
} else {
delta = gtk_adjustment_get_step_increment(this->adj) * 2;
}
if (direction == GDK_SCROLL_UP || direction == GDK_SCROLL_LEFT) {
delta = -delta;
}
if (gtk_range_get_inverted(range)) {
delta = -delta;
}
return delta;
}
static gboolean
realize_hook(GSignalInvocationHint*, unsigned, const GValue* param_values, void*)
{
void* p = g_value_peek_pointer(param_values);
if (GTK_IS_SCROLLBAR(p))
{
GtkWindow* toplevel = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(p)));
GtkWindow* transient_parent = gtk_window_get_transient_for(toplevel);
if (transient_parent && gtk_window_has_group(toplevel))
{
GtkWindowGroup* group = gtk_window_get_group(toplevel);
GtkWindowGroup* group_parent = gtk_window_get_group(transient_parent);
if (group != group_parent)
{
gtk_window_group_add_window(group_parent, toplevel);
gtk_grab_add(GTK_WIDGET(toplevel));
}
}
}
return true;
}
static void
moblin_netbook_draw_box (GtkStyle *style,
GdkWindow *window,
GtkStateType state_type,
GtkShadowType shadow_type,
GdkRectangle *area,
GtkWidget *widget,
const gchar *detail,
gint x,
gint y,
gint width,
gint height)
{
cairo_t *cr;
MoblinNetbookStyle *mb_style = MOBLIN_NETBOOK_STYLE (style);
gint radius = mb_style->radius;
DEBUG;
if (DETAIL ("paned") || DETAIL ("buttondefault"))
return;
/* we want hover and focused widgets to look the same */
if (widget && GTK_WIDGET_HAS_FOCUS (widget))
state_type = GTK_STATE_PRELIGHT;
/* scrollbar troughs are a plain rectangle */
if (widget && GTK_IS_SCROLLBAR (widget) && DETAIL ("trough"))
{
cr = moblin_netbook_cairo_create (window, area);
cairo_rectangle (cr, x, y, width, height);
gdk_cairo_set_source_color (cr, &style->base[state_type]);
cairo_fill (cr);
cairo_destroy (cr);
return;
}
SANITIZE_SIZE;
/*** treeview headers ***/
if (widget && GTK_IS_TREE_VIEW (widget->parent))
{
cr = moblin_netbook_cairo_create (window, area);
cairo_rectangle (cr, x, y, width, height);
gdk_cairo_set_source_color (cr, &style->bg[state_type]);
cairo_fill (cr);
cairo_destroy (cr);
gtk_paint_vline (style, window, state_type, area, widget, detail,
y + 5, y + height - 5, x + width - 1);
return;
}
/*** spin buttons ***/
if (DETAIL ("spinbutton_down") || DETAIL ("spinbutton_up"))
return;
if (DETAIL ("spinbutton"))
{
/* FIXME: for RTL */
width += 10;
x -= 10;
/* always draw button as shadow out to match the entry */
shadow_type = GTK_SHADOW_OUT;
/* draw the buttons with the same state type as the entry */
state_type = widget->state;
}
/*** combo boxes ***/
if (DETAIL ("button") && widget && GTK_IS_COMBO_BOX_ENTRY (widget->parent))
{
GtkWidget *entry;
entry = g_object_get_data (G_OBJECT (widget->parent),
"moblin-netbook-combo-entry");
g_object_set_data (G_OBJECT (widget->parent),
"moblin-netbook-combo-button", widget);
/* always draw combo box entry buttons as shadow out to match the entry */
shadow_type = GTK_SHADOW_OUT;
if (GTK_IS_ENTRY (entry))
{
gtk_widget_queue_draw (entry);
}
/* FIXME: RTL */
width += 10;
x -= 10;
}
if (widget
&& (DETAIL ("trough")
|| DETAIL ("trough-fill-level")
|| DETAIL ("trough-fill-level-full"))
&& GTK_IS_SCALE (widget))
{
if (mb_style->shadow)
{
width--;
height--;
}
if (width > height)
{
y = y + (height / 2.0 - 2);
height = 4;
}
else
{
x = x + (width / 2.0 - 2);
width = 4;
}
}
/* scrollbar buttons */
if (DETAIL ("hscrollbar") || DETAIL ("vscrollbar"))
{
x += 2;
y += 2;
width -= 4;
height -= 4;
}
/* scrollbar slider */
if (DETAIL ("slider"))
{
if (widget && GTK_IS_HSCROLLBAR (widget))
{
y += 2;
height -= 4;
}
else
{
x += 2;
width -= 4;
}
}
cr = moblin_netbook_cairo_create (window, area);
cairo_set_line_width (cr, LINE_WIDTH);
/* special "fill" indicator */
if (DETAIL ("trough-fill-level-full")
|| DETAIL ("trough-fill-level"))
{
gdk_cairo_set_source_color (cr, &style->base[GTK_STATE_SELECTED]);
if (width > height)
cairo_rectangle (cr, x, y + 1, width, height - 2);
else
cairo_rectangle (cr, x + 1, y, width - 2, height);
cairo_fill (cr);
cairo_destroy (cr);
return;
}
if (mb_style->shadow)
{
if (shadow_type == GTK_SHADOW_OUT)
{
/* outer shadow */
moblin_netbook_rounded_rectangle (cr, x, y, width, height,
radius + 1);
cairo_set_source_rgba (cr, 0, 0, 0, mb_style->shadow);
cairo_fill (cr);
/* reduce size for outer shadow */
height--;
width--;
}
else if (shadow_type == GTK_SHADOW_IN)
{
x++;
y++;
width--;
height--;
}
}
/* fill */
moblin_netbook_rounded_rectangle (cr, x, y, width, height, radius);
if (DETAIL ("light-switch-trough"))
{
cairo_pattern_t *crp;
crp = cairo_pattern_create_linear (x, y, x, height);
/* FIXME: these colours really should not be defined here */
if (state_type == GTK_STATE_SELECTED)
{
cairo_pattern_add_color_stop_rgb (crp, 0, 0.365, 0.820, 0.953);
cairo_pattern_add_color_stop_rgb (crp, 1, 0.627, 0.894, 0.973);
}
else
{
cairo_pattern_add_color_stop_rgb (crp, 0, 0.937, 0.941, 0.929);
cairo_pattern_add_color_stop_rgb (crp, 1, 1.0, 1.0, 1.0);
}
cairo_set_source (cr, crp);
}
else
gdk_cairo_set_source_color (cr, &style->bg[state_type]);
cairo_fill (cr);
/* extra hilight for "button" widgets, also used as focus rectangle since
* state_type is set to prelight for focused widgets (see above) */
if (state_type == GTK_STATE_PRELIGHT && DETAIL ("button")
&& !(widget && GTK_IS_COMBO_BOX_ENTRY (widget->parent)))
{
cairo_set_line_width (cr, 2.0);
moblin_netbook_rounded_rectangle (cr, x + 2, y + 2, width - 4,
height - 4, radius - 1);
gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_SELECTED]);
cairo_stroke (cr);
cairo_set_line_width (cr, 1.0);
}
if (shadow_type != GTK_SHADOW_NONE)
{
/* border */
moblin_netbook_rounded_rectangle (cr, x + 0.5, y + 0.5,
width - 1, height - 1, radius);
moblin_netbook_set_border_color (cr, style, state_type);
cairo_stroke (cr);
}
/* add a grip to handles */
if (DETAIL ("light-switch-handle") || DETAIL ("hscale"))
{
gdk_cairo_set_source_color (cr, &style->mid[state_type]);
moblin_netbook_draw_grip (cr, FALSE, x, y, width, height);
}
else if (DETAIL ("vscale"))
{
gdk_cairo_set_source_color (cr, &style->mid[state_type]);
moblin_netbook_draw_grip (cr, TRUE, x, y, width, height);
}
cairo_destroy (cr);
}
