mirror of
https://gitlab.gnome.org/GNOME/libmks.git
synced 2024-12-22 13:45:21 +00:00
lib: remove use of GtkPicture
We want a bit more control over things than we can get with GtkPicture so do the snapshot/measure internally. This allows us to know where the picture is to be allocated so that we can translate pointer events to the location within the console.
This commit is contained in:
Christian Hergert
parent
b626904171
commit
a8505e1245
@ -37,10 +37,10 @@ typedef struct
|
||||
*/
|
||||
MksScreen *screen;
|
||||
|
||||
/* The picture widget in our template which is rendering the screens
|
||||
* painable when available.
|
||||
*/
|
||||
GtkPicture *picture;
|
||||
/* The paintable containing the screen content */
|
||||
GdkPaintable *paintable;
|
||||
gulong invalidate_contents_handler;
|
||||
gulong invalidate_size_handler;
|
||||
|
||||
/* Used to update the cursor position by calling into the MksMouse
|
||||
* API using move_to/move_by.
|
||||
@ -67,7 +67,6 @@ typedef struct
|
||||
|
||||
enum {
|
||||
PROP_0,
|
||||
PROP_CONTENT_FIT,
|
||||
PROP_SCREEN,
|
||||
N_PROPS
|
||||
};
|
||||
@ -76,6 +75,98 @@ G_DEFINE_TYPE_WITH_PRIVATE (MksDisplay, mks_display, GTK_TYPE_WIDGET)
|
||||
|
||||
static GParamSpec *properties [N_PROPS];
|
||||
|
||||
static void
|
||||
mks_display_get_paintable_area (MksDisplay *self,
|
||||
graphene_rect_t *area)
|
||||
{
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
int x, y, width, height;
|
||||
double display_ratio;
|
||||
double ratio;
|
||||
double w, h;
|
||||
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (area != NULL);
|
||||
|
||||
width = gtk_widget_get_width (GTK_WIDGET (self));
|
||||
height = gtk_widget_get_height (GTK_WIDGET (self));
|
||||
display_ratio = (double)width / (double)height;
|
||||
ratio = gdk_paintable_get_intrinsic_aspect_ratio (priv->paintable);
|
||||
|
||||
if (ratio > display_ratio)
|
||||
{
|
||||
w = width;
|
||||
h = width / ratio;
|
||||
}
|
||||
else
|
||||
{
|
||||
w = height * ratio;
|
||||
h = height;
|
||||
}
|
||||
|
||||
x = (width - ceil (w)) / 2;
|
||||
y = floor(height - ceil (h)) / 2;
|
||||
|
||||
*area = GRAPHENE_RECT_INIT (x, y, w, h);
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_invalidate_contents_cb (MksDisplay *self,
|
||||
GdkPaintable *paintable)
|
||||
{
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (GDK_IS_PAINTABLE (paintable));
|
||||
|
||||
gtk_widget_queue_draw (GTK_WIDGET (self));
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_invalidate_size_cb (MksDisplay *self,
|
||||
GdkPaintable *paintable)
|
||||
{
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (GDK_IS_PAINTABLE (paintable));
|
||||
|
||||
gtk_widget_queue_resize (GTK_WIDGET (self));
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_set_paintable (MksDisplay *self,
|
||||
GdkPaintable *paintable)
|
||||
{
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (!paintable || GDK_IS_PAINTABLE (paintable));
|
||||
|
||||
if (priv->paintable == paintable)
|
||||
return;
|
||||
|
||||
if (priv->paintable != NULL)
|
||||
{
|
||||
g_clear_signal_handler (&priv->invalidate_contents_handler, priv->paintable);
|
||||
g_clear_signal_handler (&priv->invalidate_size_handler, priv->paintable);
|
||||
g_clear_object (&priv->paintable);
|
||||
}
|
||||
|
||||
if (paintable != NULL)
|
||||
{
|
||||
priv->paintable = g_object_ref (paintable);
|
||||
priv->invalidate_contents_handler =
|
||||
g_signal_connect_object (paintable,
|
||||
"invalidate-contents",
|
||||
G_CALLBACK (mks_display_invalidate_contents_cb),
|
||||
self,
|
||||
G_CONNECT_SWAPPED);
|
||||
priv->invalidate_size_handler =
|
||||
g_signal_connect_object (paintable,
|
||||
"invalidate-size",
|
||||
G_CALLBACK (mks_display_invalidate_size_cb),
|
||||
self,
|
||||
G_CONNECT_SWAPPED);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_translate_keycode (MksDisplay *self,
|
||||
guint keyval,
|
||||
@ -178,13 +269,36 @@ mks_display_key_key_released_cb (MksDisplay *self,
|
||||
g_object_ref (self));
|
||||
}
|
||||
|
||||
static void
|
||||
static gboolean
|
||||
mks_display_translate_coordinate (MksDisplay *self,
|
||||
double *x,
|
||||
double *y)
|
||||
{
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
graphene_rect_t area;
|
||||
int width;
|
||||
int height;
|
||||
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
|
||||
if (priv->paintable == NULL)
|
||||
return FALSE;
|
||||
|
||||
mks_display_get_paintable_area (self, &area);
|
||||
|
||||
if (!graphene_rect_contains_point (&area, &GRAPHENE_POINT_INIT (*x, *y)))
|
||||
return FALSE;
|
||||
|
||||
*x -= area.origin.x;
|
||||
*y -= area.origin.y;
|
||||
|
||||
width = gdk_paintable_get_intrinsic_width (priv->paintable);
|
||||
height = gdk_paintable_get_intrinsic_height (priv->paintable);
|
||||
|
||||
*x = *x / area.size.width * width;
|
||||
*y = *y / area.size.height * height;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
@ -276,8 +390,8 @@ mks_display_motion_enter_cb (MksDisplay *self,
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
|
||||
|
||||
mks_display_translate_coordinate (self, &x, &y);
|
||||
mks_display_motion (self, x, y);
|
||||
if (mks_display_translate_coordinate (self, &x, &y))
|
||||
mks_display_motion (self, x, y);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -289,8 +403,8 @@ mks_display_motion_motion_cb (MksDisplay *self,
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
|
||||
|
||||
mks_display_translate_coordinate (self, &x, &y);
|
||||
mks_display_motion (self, x, y);
|
||||
if (mks_display_translate_coordinate (self, &x, &y))
|
||||
mks_display_motion (self, x, y);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -429,7 +543,7 @@ mks_display_attach_cb (GObject *object,
|
||||
if (priv->screen != screen)
|
||||
return;
|
||||
|
||||
gtk_picture_set_paintable (priv->picture, paintable);
|
||||
mks_display_set_paintable (self, paintable);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -457,7 +571,8 @@ mks_display_disconnect (MksDisplay *self)
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
g_assert (priv->screen != NULL);
|
||||
|
||||
gtk_picture_set_paintable (priv->picture, NULL);
|
||||
mks_display_set_paintable (self, NULL);
|
||||
|
||||
g_clear_object (&priv->screen);
|
||||
}
|
||||
|
||||
@ -470,11 +585,88 @@ mks_display_dispose (GObject *object)
|
||||
if (priv->screen != NULL)
|
||||
mks_display_disconnect (self);
|
||||
|
||||
g_clear_pointer ((GtkWidget **)&priv->picture, gtk_widget_unparent);
|
||||
|
||||
G_OBJECT_CLASS (mks_display_parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_snapshot (GtkWidget *widget,
|
||||
GtkSnapshot *snapshot)
|
||||
{
|
||||
MksDisplay *self = (MksDisplay *)widget;
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
graphene_rect_t area;
|
||||
|
||||
if (priv->paintable == NULL)
|
||||
return;
|
||||
|
||||
mks_display_get_paintable_area (self, &area);
|
||||
|
||||
gtk_snapshot_save (snapshot);
|
||||
gtk_snapshot_translate (snapshot, &area.origin);
|
||||
gdk_paintable_snapshot (priv->paintable, snapshot, area.size.width, area.size.height);
|
||||
gtk_snapshot_restore (snapshot);
|
||||
}
|
||||
|
||||
static GtkSizeRequestMode
|
||||
mks_display_get_request_mode (GtkWidget *widget)
|
||||
{
|
||||
return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_measure (GtkWidget *widget,
|
||||
GtkOrientation orientation,
|
||||
int for_size,
|
||||
int *minimum,
|
||||
int *natural,
|
||||
int *minimum_baseline,
|
||||
int *natural_baseline)
|
||||
{
|
||||
MksDisplay *self = (MksDisplay *)widget;
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
double min_width, min_height, nat_width, nat_height;
|
||||
int default_width;
|
||||
int default_height;
|
||||
|
||||
g_assert (MKS_IS_DISPLAY (self));
|
||||
|
||||
if (priv->paintable == NULL || for_size == 0)
|
||||
{
|
||||
*minimum = 0;
|
||||
*natural = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
default_width = gdk_paintable_get_intrinsic_width (priv->paintable);
|
||||
default_height = gdk_paintable_get_intrinsic_width (priv->paintable);
|
||||
|
||||
gdk_paintable_compute_concrete_size (priv->paintable,
|
||||
0, 0,
|
||||
default_width, default_height,
|
||||
&min_width, &min_height);
|
||||
|
||||
if (orientation == GTK_ORIENTATION_HORIZONTAL)
|
||||
{
|
||||
gdk_paintable_compute_concrete_size (priv->paintable,
|
||||
0,
|
||||
for_size < 0 ? 0 : for_size,
|
||||
default_width, default_height,
|
||||
&nat_width, &nat_height);
|
||||
*minimum = ceil (min_width);
|
||||
*natural = ceil (nat_width);
|
||||
}
|
||||
else
|
||||
{
|
||||
gdk_paintable_compute_concrete_size (priv->paintable,
|
||||
for_size < 0 ? 0 : for_size,
|
||||
0,
|
||||
default_width, default_height,
|
||||
&nat_width, &nat_height);
|
||||
*minimum = ceil (min_height);
|
||||
*natural = ceil (nat_height);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
mks_display_get_property (GObject *object,
|
||||
guint prop_id,
|
||||
@ -485,10 +677,6 @@ mks_display_get_property (GObject *object,
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_CONTENT_FIT:
|
||||
g_value_set_enum (value, mks_display_get_content_fit (self));
|
||||
break;
|
||||
|
||||
case PROP_SCREEN:
|
||||
g_value_set_object (value, mks_display_get_screen (self));
|
||||
break;
|
||||
@ -508,10 +696,6 @@ mks_display_set_property (GObject *object,
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_CONTENT_FIT:
|
||||
mks_display_set_content_fit (self, g_value_get_enum (value));
|
||||
break;
|
||||
|
||||
case PROP_SCREEN:
|
||||
mks_display_set_screen (self, g_value_get_object (value));
|
||||
break;
|
||||
@ -531,11 +715,9 @@ mks_display_class_init (MksDisplayClass *klass)
|
||||
object_class->get_property = mks_display_get_property;
|
||||
object_class->set_property = mks_display_set_property;
|
||||
|
||||
properties [PROP_CONTENT_FIT] =
|
||||
g_param_spec_enum ("content-fit", NULL, NULL,
|
||||
GTK_TYPE_CONTENT_FIT,
|
||||
GTK_CONTENT_FIT_SCALE_DOWN,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
widget_class->get_request_mode = mks_display_get_request_mode;
|
||||
widget_class->measure = mks_display_measure;
|
||||
widget_class->snapshot = mks_display_snapshot;
|
||||
|
||||
properties[PROP_SCREEN] =
|
||||
g_param_spec_object ("screen", NULL, NULL,
|
||||
@ -550,7 +732,6 @@ mks_display_class_init (MksDisplayClass *klass)
|
||||
gtk_widget_class_bind_template_child_private (widget_class, MksDisplay, click);
|
||||
gtk_widget_class_bind_template_child_private (widget_class, MksDisplay, key);
|
||||
gtk_widget_class_bind_template_child_private (widget_class, MksDisplay, motion);
|
||||
gtk_widget_class_bind_template_child_private (widget_class, MksDisplay, picture);
|
||||
gtk_widget_class_bind_template_callback (widget_class, mks_display_click_pressed_cb);
|
||||
gtk_widget_class_bind_template_callback (widget_class, mks_display_click_released_cb);
|
||||
gtk_widget_class_bind_template_callback (widget_class, mks_display_motion_enter_cb);
|
||||
@ -611,24 +792,3 @@ mks_display_set_screen (MksDisplay *self,
|
||||
|
||||
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SCREEN]);
|
||||
}
|
||||
|
||||
GtkContentFit
|
||||
mks_display_get_content_fit (MksDisplay *self)
|
||||
{
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
|
||||
g_return_val_if_fail (MKS_IS_DISPLAY (self), 0);
|
||||
|
||||
return gtk_picture_get_content_fit (priv->picture);
|
||||
}
|
||||
|
||||
void
|
||||
mks_display_set_content_fit (MksDisplay *self,
|
||||
GtkContentFit content_fit)
|
||||
{
|
||||
MksDisplayPrivate *priv = mks_display_get_instance_private (self);
|
||||
|
||||
g_return_if_fail (MKS_IS_DISPLAY (self));
|
||||
|
||||
gtk_picture_set_content_fit (priv->picture, content_fit);
|
||||
}
|
||||
|
||||
@ -41,16 +41,11 @@ struct _MksDisplayClass
|
||||
};
|
||||
|
||||
MKS_AVAILABLE_IN_ALL
|
||||
GtkWidget *mks_display_new (void);
|
||||
GtkWidget *mks_display_new (void);
|
||||
MKS_AVAILABLE_IN_ALL
|
||||
MksScreen *mks_display_get_screen (MksDisplay *self);
|
||||
MksScreen *mks_display_get_screen (MksDisplay *self);
|
||||
MKS_AVAILABLE_IN_ALL
|
||||
void mks_display_set_screen (MksDisplay *self,
|
||||
MksScreen *screen);
|
||||
MKS_AVAILABLE_IN_ALL
|
||||
GtkContentFit mks_display_get_content_fit (MksDisplay *self);
|
||||
MKS_AVAILABLE_IN_ALL
|
||||
void mks_display_set_content_fit (MksDisplay *self,
|
||||
GtkContentFit content_fit);
|
||||
void mks_display_set_screen (MksDisplay *self,
|
||||
MksScreen *screen);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
@ -1,32 +1,26 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<interface>
|
||||
<template class="MksDisplay" parent="GtkWidget">
|
||||
<property name="focusable">false</property>
|
||||
<property name="focusable">true</property>
|
||||
<child>
|
||||
<object class="GtkPicture" id="picture">
|
||||
<property name="content-fit">scale-down</property>
|
||||
<property name="focusable">true</property>
|
||||
<child>
|
||||
<object class="GtkEventControllerMotion" id="motion">
|
||||
<signal name="enter" handler="mks_display_motion_enter_cb" swapped="true"/>
|
||||
<signal name="leave" handler="mks_display_motion_leave_cb" swapped="true"/>
|
||||
<signal name="motion" handler="mks_display_motion_motion_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkGestureClick" id="click">
|
||||
<property name="button">0</property>
|
||||
<property name="exclusive">true</property>
|
||||
<signal name="pressed" handler="mks_display_click_pressed_cb" swapped="true"/>
|
||||
<signal name="released" handler="mks_display_click_released_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEventControllerKey" id="key">
|
||||
<signal name="key-pressed" handler="mks_display_key_key_pressed_cb" swapped="true"/>
|
||||
<signal name="key-released" handler="mks_display_key_key_released_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
<object class="GtkEventControllerMotion" id="motion">
|
||||
<signal name="enter" handler="mks_display_motion_enter_cb" swapped="true"/>
|
||||
<signal name="leave" handler="mks_display_motion_leave_cb" swapped="true"/>
|
||||
<signal name="motion" handler="mks_display_motion_motion_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkGestureClick" id="click">
|
||||
<property name="button">0</property>
|
||||
<property name="exclusive">true</property>
|
||||
<signal name="pressed" handler="mks_display_click_pressed_cb" swapped="true"/>
|
||||
<signal name="released" handler="mks_display_click_released_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkEventControllerKey" id="key">
|
||||
<signal name="key-pressed" handler="mks_display_key_key_pressed_cb" swapped="true"/>
|
||||
<signal name="key-released" handler="mks_display_key_key_released_cb" swapped="true"/>
|
||||
</object>
|
||||
</child>
|
||||
</template>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user