AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

testwidgetfocus: Drop SPACING constant in favor for CSS

Browse Source 
This makes it easier to test various other properties of widgets.
This commit is contained in:
Timm Bäder 2017-06-02 22:08:22 +02:00 committed by Matthias Clasen
parent b8cc22a552
commit ee8a8c49e2
1 changed files with 125 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

136
tests/testwidgetfocus.c
View File

@ -12,11 +12,55 @@ typedef struct _GtkFocusWidgetClass GtkFocusWidgetClass;
#define GTK_IS_FOCUS_WIDGET_CLASS(cls) (G_TYPE_CHECK_CLASS_TYPE(cls, GTK_TYPE_FOCUS_WIDGET))
#define GTK_FOCUS_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS(obj, GTK_TYPE_FOCUS_WIDGET, GtkFocusWidgetClass))
#define SPACING 30
const char *css =
"* {"
" transition: none; "
"}"
"focuswidget {"
" padding: 30px;"
" font-size: 70%;"
"}"
"focuswidget button:nth-child(1) {"
" margin-right: 15px;"
" margin-bottom: 15px;"
"}"
"focuswidget button:nth-child(2) {"
" margin-left: 15px;"
" margin-bottom: 15px;"
"}"
"focuswidget button:nth-child(3) {"
" margin-right: 15px;"
" margin-top: 15px;"
"}"
"focuswidget button:nth-child(4) {"
" margin-left: 15px;"
" margin-top: 15px;"
"}"
"focuswidget button {"
" min-width: 80px;"
" min-height: 80px;"
" margin: 0px;"
" border: 5px solid green;"
" border-radius: 0px;"
" padding: 10px;"
" background-image: none;"
" background-color: white;"
" box-shadow: none;"
"}"
"focuswidget button:hover {"
" background-color: black;"
" color: white;"
"}"
"focuswidget button label:hover {"
" background-color: green;"
"}"
;
struct _GtkFocusWidget
{
GtkWidget parent_instance;
int mouse_x;
int mouse_y;
union {
struct {
@ -43,26 +87,26 @@ static void
gtk_focus_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
{
GtkFocusWidget *self = GTK_FOCUS_WIDGET (widget);
int child_width = (allocation->width - (3 * SPACING)) / 2;
int child_height = (allocation->height - (3 * SPACING)) / 2;
int child_width = (allocation->width) / 2;
int child_height = (allocation->height) / 2;
GtkAllocation child_alloc;
child_alloc.x = SPACING + allocation->x;
child_alloc.y = SPACING + allocation->y;
child_alloc.x = 0;
child_alloc.y = 0;
child_alloc.width = child_width;
child_alloc.height = child_height;
gtk_widget_size_allocate (self->child1, &child_alloc);
child_alloc.x += SPACING + child_width;
child_alloc.x += child_width;
gtk_widget_size_allocate (self->child2, &child_alloc);
child_alloc.y += SPACING + child_height;
child_alloc.y += child_height;
gtk_widget_size_allocate (self->child4, &child_alloc);
child_alloc.x -= SPACING + child_width;
child_alloc.x -= child_width;
gtk_widget_size_allocate (self->child3, &child_alloc);
}
@ -94,9 +138,6 @@ gtk_focus_widget_measure (GtkWidget *widget,
*minimum *= 2;
*natural *= 2;
*minimum += SPACING * 3;
*natural += SPACING * 3;
}
static void
@ -108,6 +149,64 @@ gtk_focus_widget_snapshot (GtkWidget *widget, GtkSnapshot *snapshot)
gtk_widget_snapshot_child (widget, self->child2, snapshot);
gtk_widget_snapshot_child (widget, self->child3, snapshot);
gtk_widget_snapshot_child (widget, self->child4, snapshot);
if (self->mouse_x != G_MININT && self->mouse_y != G_MININT)
{
PangoLayout *layout;
char *text;
GtkAllocation alloc;
graphene_rect_t bounds;
GdkRGBA black = {0, 0, 0, 1};
gtk_widget_get_allocation (widget, &alloc);
/* Since event coordinates and drawing is supposed to happen in the
* same coodinates space, this should all work out just fine. */
bounds.origin.x = self->mouse_x;
bounds.origin.y = -30;
bounds.size.width = 1;
bounds.size.height = alloc.height;
gtk_snapshot_append_color (snapshot,
&black,
&bounds,
"Crosshair 1");
bounds.origin.x = -30;
bounds.origin.y = self->mouse_y;
bounds.size.width = alloc.width;
bounds.size.height = 1;
gtk_snapshot_append_color (snapshot,
&black,
&bounds,
"Crosshair 2");
layout = gtk_widget_create_pango_layout (widget, NULL);
text = g_strdup_printf ("%d×%d", self->mouse_x, self->mouse_y);
pango_layout_set_text (layout, text, -1);
gtk_snapshot_render_layout (snapshot,
gtk_widget_get_style_context (widget),
self->mouse_x + 2,
self->mouse_y - 15, /* *shrug* */
layout);
g_free (text);
g_object_unref (layout);
}
}
static gboolean
gtk_focus_widget_motion_notify_event (GtkWidget *widget,
GdkEventMotion *event)
{
GtkFocusWidget *self = GTK_FOCUS_WIDGET (widget);
self->mouse_x = event->x;
self->mouse_y = event->y;
gtk_widget_queue_draw (widget);
return GDK_EVENT_PROPAGATE;
}
static void
@ -136,6 +235,9 @@ gtk_focus_widget_init (GtkFocusWidget *self)
gtk_widget_set_parent (self->child3, GTK_WIDGET (self));
self->child4 = gtk_button_new_with_label ("4");
gtk_widget_set_parent (self->child4, GTK_WIDGET (self));
self->mouse_x = G_MININT;
self->mouse_y = G_MININT;
}
static void
@ -149,6 +251,9 @@ gtk_focus_widget_class_init (GtkFocusWidgetClass *klass)
widget_class->snapshot = gtk_focus_widget_snapshot;
widget_class->measure = gtk_focus_widget_measure;
widget_class->size_allocate = gtk_focus_widget_size_allocate;
widget_class->motion_notify_event = gtk_focus_widget_motion_notify_event;
gtk_widget_class_set_css_name (widget_class, "focuswidget");
}
int
@ -156,12 +261,21 @@ main()
{
GtkWidget *window;
GtkWidget *widget;
GtkCssProvider *provider;
gtk_init ();
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css, -1);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
widget = g_object_new (GTK_TYPE_FOCUS_WIDGET, NULL);
gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
gtk_container_add (GTK_CONTAINER (window), widget);
g_signal_connect (window, "delete-event", G_CALLBACK (gtk_main_quit), NULL);