static void
tile_focus_in_cb (MxBin *actor)
{
ClutterActorMeta *shadow;
shadow = (ClutterActorMeta*) clutter_actor_get_effect (CLUTTER_ACTOR (actor),
"shadow");
clutter_actor_meta_set_enabled (shadow, TRUE);
shadow =
(ClutterActorMeta*) clutter_actor_get_effect (mx_bin_get_child (actor),
"shadow");
clutter_actor_meta_set_enabled (shadow, FALSE);
}
static void
content_box_open_notify (MexContentBox *box,
GParamSpec *pspec,
MexColumn *column)
{
MexColumnPrivate *priv = MEX_COLUMN (column)->priv;
GList *l;
ClutterActorMeta *shadow;
if (mex_content_box_get_open (box))
{
for (l = priv->children; l; l = l->next)
{
if (l->data != box)
clutter_actor_animate (l->data, CLUTTER_EASE_IN_OUT_QUAD, 200,
"opacity", 56, NULL);
}
shadow = (ClutterActorMeta*) clutter_actor_get_effect (CLUTTER_ACTOR (box),
"shadow");
clutter_actor_meta_set_enabled (shadow, TRUE);
/* Restore the opened box to full opacity */
clutter_actor_animate (CLUTTER_ACTOR (box), CLUTTER_EASE_IN_OUT_QUAD, 200,
"opacity", 255, NULL);
priv->open_boxes ++;
}
else
{
priv->open_boxes --;
}
if (priv->open_boxes == 0)
{
/* restore all children to full opacity */
for (l = priv->children; l; l = l->next)
{
clutter_actor_animate (l->data, CLUTTER_EASE_IN_OUT_QUAD, 200,
"opacity", 255, NULL);
}
shadow = (ClutterActorMeta*) clutter_actor_get_effect (CLUTTER_ACTOR (box),
"shadow");
clutter_actor_meta_set_enabled (shadow, FALSE);
}
g_object_notify (G_OBJECT (column), "opened");
}
static void
clutter_shader_effect_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
ClutterShaderEffect *self = CLUTTER_SHADER_EFFECT (meta);
ClutterShaderEffectPrivate *priv = self->priv;
ClutterActorMetaClass *parent;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (meta, FALSE);
return;
}
parent = CLUTTER_ACTOR_META_CLASS (clutter_shader_effect_parent_class);
parent->set_actor (meta, actor);
/* we keep a back pointer here */
priv->actor = clutter_actor_meta_get_actor (meta);
if (priv->actor == NULL)
return;
CLUTTER_NOTE (SHADER, "Preparing shader effect of type '%s'",
G_OBJECT_TYPE_NAME (meta));
}
static void
mx_label_fade_started_cb (ClutterTimeline *timeline,
MxLabel *label)
{
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (label->priv->fade_effect),
TRUE);
}
static void
mex_tile_init (MexTile *self)
{
MexTilePrivate *priv = self->priv = TILE_PRIVATE (self);
const ClutterColor opaque = { 0x00, 0x00, 0x00, 0x00 };
ClutterEffect *fade;
/* create a template material for the header background from which cheap
* copies can be made for each instance */
if (G_UNLIKELY (!template_material))
template_material = cogl_material_new ();
priv->material = cogl_material_copy (template_material);
/* layout for primary and secondary labels */
priv->box_layout = mx_box_layout_new ();
mx_box_layout_set_spacing (MX_BOX_LAYOUT (priv->box_layout), 12);
/* add fade effect to the box layout */
fade = (ClutterEffect*) mx_fade_effect_new ();
mx_fade_effect_set_border (MX_FADE_EFFECT (fade), 0, 50, 0, 0);
mx_fade_effect_set_color (MX_FADE_EFFECT (fade), &opaque);
clutter_actor_add_effect_with_name (priv->box_layout, "fade", fade);
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (fade), TRUE);
clutter_actor_push_internal (CLUTTER_ACTOR (self));
clutter_actor_set_parent (priv->box_layout, CLUTTER_ACTOR (self));
clutter_actor_pop_internal (CLUTTER_ACTOR (self));
priv->label = clutter_text_new ();
priv->secondary_label = clutter_text_new ();
clutter_actor_set_opacity (priv->secondary_label, 128);
clutter_container_add (CLUTTER_CONTAINER (priv->box_layout), priv->label,
priv->secondary_label, NULL);
priv->header_visible = TRUE;
priv->timeline = clutter_timeline_new (DURATION);
priv->important_alpha =
clutter_alpha_new_full (priv->timeline, CLUTTER_EASE_OUT_QUAD);
g_signal_connect_object (priv->timeline, "new-frame",
G_CALLBACK (mex_tile_important_new_frame_cb), self,
0);
g_signal_connect_object (priv->timeline, "completed",
G_CALLBACK (mex_tile_timeline_completed_cb), self,
0);
g_signal_connect (self, "style-changed",
G_CALLBACK (mex_tile_style_changed_cb), NULL);
g_signal_connect (self, "actor-added",
G_CALLBACK (mex_tile_actor_added), NULL);
g_signal_connect (self, "actor-removed",
G_CALLBACK (mex_tile_actor_removed), NULL);
}
static void
st_scroll_view_fade_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
StScrollViewFade *self = ST_SCROLL_VIEW_FADE (meta);
ClutterActorMetaClass *parent;
g_return_if_fail (actor == NULL || ST_IS_SCROLL_VIEW (actor));
if (self->shader == COGL_INVALID_HANDLE)
{
clutter_actor_meta_set_enabled (meta, FALSE);
return;
}
if (self->vadjustment)
{
g_signal_handlers_disconnect_by_func (self->vadjustment,
(gpointer)on_adjustment_changed,
self);
self->vadjustment = NULL;
}
if (self->hadjustment)
{
g_signal_handlers_disconnect_by_func (self->hadjustment,
(gpointer)on_adjustment_changed,
self);
self->hadjustment = NULL;
}
if (actor)
{
StScrollView *scroll_view = ST_SCROLL_VIEW (actor);
StScrollBar *vscroll = ST_SCROLL_BAR (st_scroll_view_get_vscroll_bar (scroll_view));
StScrollBar *hscroll = ST_SCROLL_BAR (st_scroll_view_get_hscroll_bar (scroll_view));
self->vadjustment = ST_ADJUSTMENT (st_scroll_bar_get_adjustment (vscroll));
self->hadjustment = ST_ADJUSTMENT (st_scroll_bar_get_adjustment (hscroll));
g_signal_connect (self->vadjustment, "changed",
G_CALLBACK (on_adjustment_changed),
self);
g_signal_connect (self->hadjustment, "changed",
G_CALLBACK (on_adjustment_changed),
self);
on_adjustment_changed (NULL, CLUTTER_EFFECT (self));
}
parent = CLUTTER_ACTOR_META_CLASS (st_scroll_view_fade_parent_class);
parent->set_actor (meta, actor);
/* we keep a back pointer here, to avoid going through the ActorMeta */
self->actor = clutter_actor_meta_get_actor (meta);
}
static void
mx_label_fade_completed_cb (ClutterTimeline *timeline,
MxLabel *label)
{
MxLabelPrivate *priv = label->priv;
if (!priv->label_should_fade)
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (priv->fade_effect),
FALSE);
}
static void
on_vadjustment_changed (StAdjustment *adjustment,
ClutterEffect *effect)
{
gdouble value, lower, upper, page_size;
gboolean needs_fade;
st_adjustment_get_values (adjustment, &value, &lower, &upper, NULL, NULL, &page_size);
needs_fade = (value > lower + 0.1) || (value < upper - page_size - 0.1);
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), needs_fade);
}
static MxFocusable *
_accept_focus (MxFocusable *focusable,
MxFocusHint hint)
{
MexActionButtonPrivate *priv = MEX_ACTION_BUTTON (focusable)->priv;
MxFocusableIface *iface;
priv->has_focus = TRUE;
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (priv->shadow), TRUE);
iface = g_type_interface_peek_parent (MX_FOCUSABLE_GET_INTERFACE (focusable));
return iface->accept_focus (focusable, hint);
}
static MxFocusable *
_move_focus (MxFocusable *focusable,
MxFocusDirection direction,
MxFocusable *old_focus)
{
MexActionButtonPrivate *priv = MEX_ACTION_BUTTON (focusable)->priv;
MxFocusableIface *iface;
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (priv->shadow), FALSE);
priv->has_focus = FALSE;
iface = g_type_interface_peek_parent (MX_FOCUSABLE_GET_INTERFACE (focusable));
return iface->move_focus (focusable, direction, old_focus);
}
static void
on_adjustment_changed (StAdjustment *adjustment,
ClutterEffect *effect)
{
gdouble value, lower, upper, page_size;
gboolean needs_fade;
StScrollViewFade *self = ST_SCROLL_VIEW_FADE (effect);
st_adjustment_get_values (self->vadjustment, &value, &lower, &upper, NULL, NULL, &page_size);
needs_fade = (value > lower + 0.1) || (value < upper - page_size - 0.1);
if (!needs_fade)
{
st_adjustment_get_values (self->hadjustment, &value, &lower, &upper, NULL, NULL, &page_size);
needs_fade = (value > lower + 0.1) || (value < upper - page_size - 0.1);
}
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), needs_fade);
}
static gboolean
shell_grid_desaturate_effect_pre_paint (ClutterEffect *effect)
{
ShellGridDesaturateEffect *self = SHELL_GRID_DESATURATE_EFFECT (effect);
ClutterEffectClass *parent_class;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
parent_class = CLUTTER_EFFECT_CLASS (shell_grid_desaturate_effect_parent_class);
if (parent_class->pre_paint (effect))
{
ClutterOffscreenEffect *offscreen_effect =
CLUTTER_OFFSCREEN_EFFECT (effect);
CoglHandle texture;
texture = clutter_offscreen_effect_get_texture (offscreen_effect);
self->tex_width = cogl_texture_get_width (texture);
self->tex_height = cogl_texture_get_height (texture);
if (self->unshaded_uniform_dirty)
update_unshaded_uniform (self);
cogl_pipeline_set_layer_texture (self->pipeline, 0, texture);
return TRUE;
}
else
return FALSE;
}
static void
mex_action_button_init (MexActionButton *self)
{
ClutterColor shadow_color = {0, 0, 0, 64};
MexActionButtonPrivate *priv;
priv = self->priv = ACTION_BUTTON_PRIVATE (self);
mx_button_set_icon_position (MX_BUTTON (self), MX_POSITION_RIGHT);
mx_bin_set_fill (MX_BIN (self), TRUE, TRUE);
priv->shadow = mex_shadow_new ();
mex_shadow_set_radius_x (priv->shadow, 15);
mex_shadow_set_radius_y (priv->shadow, 15);
mex_shadow_set_color (priv->shadow, &shadow_color);
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (priv->shadow), FALSE);
clutter_actor_add_effect (CLUTTER_ACTOR (self),
CLUTTER_EFFECT (priv->shadow));
}
static gboolean
shell_anamorphosis_effect_pre_paint (ClutterEffect *effect)
{
ShellAnamorphosisEffect *self = SHELL_ANAMORPHOSIS_EFFECT (effect);
ShellAnamorphosisEffectPrivate *priv = shell_anamorphosis_effect_get_instance_private (self);
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
/* If we're not doing any bending, we're not needed. */
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShellAnamorphosisEffect: the "
"graphics hardware or the current GL driver does not "
"implement support for the GLSL shading language. The "
"effect will be disabled.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
if (!CLUTTER_EFFECT_CLASS (shell_anamorphosis_effect_parent_class)->pre_paint (effect))
return FALSE;
ClutterOffscreenEffect *offscreen_effect = CLUTTER_OFFSCREEN_EFFECT (effect);
CoglObject *texture;
texture = clutter_offscreen_effect_get_texture (offscreen_effect);
cogl_pipeline_set_layer_texture (priv->pipeline, 0, texture);
priv->tex_width = cogl_texture_get_width (texture);
priv->tex_height = cogl_texture_get_height (texture);
cogl_pipeline_set_uniform_1i (priv->pipeline, priv->tex_width_uniform, priv->tex_width);
cogl_pipeline_set_uniform_1i (priv->pipeline, priv->tex_height_uniform, priv->tex_height);
return TRUE;
}
/**
* mex_column_add_content:
*
* Add an item to the column for the specified content at the specified
* position.
*/
static void
mex_column_add_content (MexColumn *column,
MexContent *content,
guint position)
{
MexColumnPrivate *priv = column->priv;
ClutterActor *box;
MexShadow *shadow;
ClutterColor shadow_color = { 0, 0, 0, 128 };
GList *sibling;
box = mex_content_box_new ();
mex_content_view_set_content (MEX_CONTENT_VIEW (box), content);
mex_content_view_set_context (MEX_CONTENT_VIEW (box), priv->model);
sibling = g_list_nth (priv->children, position);
priv->children = g_list_insert_before (priv->children, sibling, box);
priv->n_items ++;
/* add shadow */
shadow = mex_shadow_new ();
mex_shadow_set_paint_flags (shadow,
MEX_TEXTURE_FRAME_TOP
| MEX_TEXTURE_FRAME_BOTTOM);
mex_shadow_set_radius_y (shadow, 25);
mex_shadow_set_color (shadow, &shadow_color);
clutter_actor_add_effect_with_name (CLUTTER_ACTOR (box), "shadow",
CLUTTER_EFFECT (shadow));
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (shadow), FALSE);
g_signal_connect (box, "notify::open",
G_CALLBACK (content_box_open_notify), column);
/* set important if the column has focus */
mex_content_box_set_important (MEX_CONTENT_BOX (box), priv->has_focus);
clutter_actor_set_parent (box, CLUTTER_ACTOR (column));
}
static void
clutter_actor_meta_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterActorMeta *meta = CLUTTER_ACTOR_META (gobject);
switch (prop_id)
{
case PROP_NAME:
clutter_actor_meta_set_name (meta, g_value_get_string (value));
break;
case PROP_ENABLED:
clutter_actor_meta_set_enabled (meta, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
mx_label_init (MxLabel *label)
{
MxLabelPrivate *priv;
const ClutterColor opaque = { 0xff, 0xff, 0xff, 0xff };
label->priv = priv = MX_LABEL_GET_PRIVATE (label);
priv->label = g_object_new (CLUTTER_TYPE_TEXT,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
clutter_actor_set_parent (priv->label, CLUTTER_ACTOR (label));
priv->fade_effect = mx_fade_effect_new ();
mx_fade_effect_set_color (MX_FADE_EFFECT (priv->fade_effect), &opaque);
clutter_actor_add_effect (priv->label, priv->fade_effect);
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (priv->fade_effect),
FALSE);
g_signal_connect (label, "style-changed",
G_CALLBACK (mx_label_style_changed), NULL);
g_signal_connect (priv->label, "notify::single-line-mode",
G_CALLBACK (mx_label_single_line_mode_cb), label);
g_signal_connect_swapped (priv->label, "queue-redraw",
G_CALLBACK (mx_label_label_changed_cb), label);
priv->fade_timeline = clutter_timeline_new (250);
priv->fade_alpha = clutter_alpha_new_full (priv->fade_timeline,
CLUTTER_EASE_OUT_QUAD);
g_signal_connect (priv->fade_timeline, "new-frame",
G_CALLBACK (mx_label_fade_new_frame_cb), label);
g_signal_connect (priv->fade_timeline, "started",
G_CALLBACK (mx_label_fade_started_cb), label);
g_signal_connect (priv->fade_timeline, "completed",
G_CALLBACK (mx_label_fade_completed_cb), label);
}
static gboolean
st_background_effect_pre_paint (ClutterEffect *effect)
{
StBackgroundEffect *self = ST_BACKGROUND_EFFECT (effect);
ClutterEffectClass *parent_class;
gfloat width;
gfloat height;
gfloat posx;
gfloat posy;
guchar *data;
guint size;
guint rowstride;
glong new_time;
gdouble time_used;
ClutterActor *stage;
gfloat stage_width;
gfloat stage_height;
if (self->bg_bumpmap == NULL)
return FALSE;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
if (self->actor == NULL)
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
new_time = clock();
time_used = ((double) (new_time - self->old_time)*100) / (double) CLOCKS_PER_SEC;
self->old_time = new_time;
posx = 0.0f;
posy = 0.0f;
width = 0.0f;
height = 0.0f;
stage_width = 0.0f;
stage_height = 0.0f;
clutter_actor_get_transformed_position (self->actor, &posx, &posy);
clutter_actor_get_transformed_size (self->actor, &width, &height);
self->opacity = clutter_actor_get_paint_opacity (self->actor);
stage = clutter_actor_get_stage (self->actor);
clutter_actor_get_size (stage, &stage_width, &stage_height);
if ((posx < 0) || (posy < 0) || ((posx + width) > stage_width) || ((posy + height) > stage_height))
return FALSE;
if (( posx != self->posx_old)
|| ( posy != self->posy_old)
|| ( width != self->width_old)
|| ( height != self->height_old)
|| (time_used > 50.0))
{
self->posx_old = posx;
self->posy_old = posy;
self->width_old = width;
self->height_old = height;
self->bg_posx_i = round(posx)+2;
self->bg_posy_i = round(posy)+2;
self->bg_width_i = round(width)-4;
self->bg_height_i = round(height)-4;
size = (self->bg_width_i) * (self->bg_height_i) * 4;
if (((self->opacity == 0xff) || (self->bg_texture == NULL)) && (size > 400))
{
rowstride = (self->bg_width_i) * 4;
data = g_malloc (size);
cogl_read_pixels (self->bg_posx_i,
self->bg_posy_i,
self->bg_width_i,
self->bg_height_i,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
data);
if (data != NULL)
{
if (self->bg_texture != NULL)
{
cogl_handle_unref (self->bg_texture);
self->bg_texture = NULL;
}
self->bg_texture = st_cogl_texture_new_from_data_wrapper (self->bg_width_i,
self->bg_height_i,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
rowstride,
data);
g_free (data);
}
}
}
parent_class = CLUTTER_EFFECT_CLASS (st_background_effect_parent_class);
if (parent_class->pre_paint (effect))
{
ClutterOffscreenEffect *offscreen_effect = CLUTTER_OFFSCREEN_EFFECT (effect);
CoglHandle fg_texture;
fg_texture = clutter_offscreen_effect_get_texture (offscreen_effect);
if (fg_texture != COGL_INVALID_HANDLE)
{
self->fg_width_i = cogl_texture_get_width (fg_texture);
self->fg_height_i = cogl_texture_get_height (fg_texture);
if ((self->bg_texture != NULL) && (self->opacity == 0xff))
{
if (self->pixel_step_uniform0 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->bg_width_i);
pixel_step[1] = 1.0f / (self->bg_height_i);
pixel_step[2] = 0.0f;
cogl_pipeline_set_uniform_float (self->pipeline0,
self->pixel_step_uniform0,
3,
1,
pixel_step);
}
if (self->BumpTex_uniform > -1)
{
cogl_pipeline_set_uniform_1i (self->pipeline0,
self->BumpTex_uniform,
1);
}
if (self->bump_step_uniform > -1)
{
gfloat bump_step[2];
bump_step[0] = 1.0f / (self->bumptex_width_i);
bump_step[1] = 1.0f / (self->bumptex_height_i);
cogl_pipeline_set_uniform_float (self->pipeline0,
self->bump_step_uniform,
2,
1,
bump_step);
}
if (self->bg_sub_texture != NULL)
{
cogl_handle_unref (self->bg_sub_texture);
self->bg_sub_texture = NULL;
}
self->bg_sub_texture = st_cogl_texture_new_with_size_wrapper (self->bg_width_i, self->bg_height_i,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888_PRE);
cogl_pipeline_set_layer_texture (self->pipeline0, 0, self->bg_texture);
if (self->pixel_step_uniform1 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->bg_width_i);
pixel_step[1] = 1.0f / (self->bg_height_i);
pixel_step[2] = 1.0f;
cogl_pipeline_set_uniform_float (self->pipeline1,
self->pixel_step_uniform1,
3,
1,
pixel_step);
}
if (self->pixel_step_uniform2 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->fg_width_i);
pixel_step[1] = 1.0f / (self->fg_height_i);
pixel_step[2] = 2.0f;
cogl_pipeline_set_uniform_float (self->pipeline3,
self->pixel_step_uniform2,
3,
1,
pixel_step);
}
}
cogl_pipeline_set_layer_texture (self->pipeline2, 0, fg_texture);
cogl_pipeline_set_layer_texture (self->pipeline3, 0, fg_texture);
cogl_pipeline_set_layer_texture (self->pipeline4, 0, fg_texture);
}
return TRUE;
}
else
{
return FALSE;
}
}
static gboolean
cd_icc_effect_pre_paint (ClutterEffect *effect)
{
CdIccEffect *self = CD_ICC_EFFECT (effect);
ClutterEffectClass *parent_class;
ClutterActorBox allocation;
gfloat width, height;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
if (self->actor == NULL)
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
clutter_actor_get_allocation_box (self->actor, &allocation);
clutter_actor_box_get_size (&allocation, &width, &height);
if (self->shader == COGL_INVALID_HANDLE)
{
self->shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
cogl_shader_source (self->shader, glsl_shader);
self->is_compiled = FALSE;
self->main_texture_uniform = -1;
self->indirect_texture_uniform = -1;
self->color_data1_uniform = -1;
self->color_data2_uniform = -1;
}
if (self->program == COGL_INVALID_HANDLE)
self->program = cogl_create_program ();
if (!self->is_compiled)
{
g_assert (self->shader != COGL_INVALID_HANDLE);
g_assert (self->program != COGL_INVALID_HANDLE);
cogl_shader_compile (self->shader);
if (!cogl_shader_is_compiled (self->shader))
{
gchar *log_buf = cogl_shader_get_info_log (self->shader);
g_warning (G_STRLOC ": Unable to compile the icc shader: %s",
log_buf);
g_free (log_buf);
cogl_handle_unref (self->shader);
cogl_handle_unref (self->program);
self->shader = COGL_INVALID_HANDLE;
self->program = COGL_INVALID_HANDLE;
}
else
{
cogl_program_attach_shader (self->program, self->shader);
cogl_program_link (self->program);
cogl_handle_unref (self->shader);
self->is_compiled = TRUE;
self->main_texture_uniform =
cogl_program_get_uniform_location (self->program, "main_texture");
self->indirect_texture_uniform =
cogl_program_get_uniform_location (self->program, "indirect_texture");
self->color_data1_uniform =
cogl_program_get_uniform_location (self->program, "color_data1");
self->color_data2_uniform =
cogl_program_get_uniform_location (self->program, "color_data2");
}
}
parent_class = CLUTTER_EFFECT_CLASS (cd_icc_effect_parent_class);
return parent_class->pre_paint (effect);
}
static void
mex_tile_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
MxPadding padding;
ClutterActorBox child_box;
gfloat available_width, available_height;
ClutterEffect *fade;
MexTilePrivate *priv = MEX_TILE (actor)->priv;
CLUTTER_ACTOR_CLASS (mex_tile_parent_class)->allocate (actor, box, flags);
mx_widget_get_padding (MX_WIDGET (actor), &padding);
available_width = box->x2 - box->x1 - padding.left - padding.right;
available_height = box->y2 - box->y1 - padding.top - padding.bottom;
if (priv->child)
{
gfloat child_width, full_width, full_height;
clutter_actor_get_preferred_size (priv->child, NULL, NULL,
&full_width, &full_height);
child_box.y1 = padding.top;
if (clutter_alpha_get_alpha (priv->important_alpha) < 0.5)
{
child_width = full_width * (available_height / full_height);
if (child_width > available_width)
child_width = available_width;
child_box.y2 = child_box.y1 + available_height;
/* When we're in unimportant state, make sure the label
* doesn't overlap the image.
*/
if (available_height < full_height)
available_width -= child_width *
((0.5 - clutter_alpha_get_alpha (priv->important_alpha)) * 2);
}
else
{
child_width = available_width;
clutter_actor_set_clip_to_allocation (
actor, (full_height > available_height));
child_box.y2 = child_box.y1 + full_height;
}
child_box.x2 = box->x2 - box->x1 - padding.right;
child_box.x1 = child_box.x2 - child_width;
mx_allocate_align_fill (priv->child, &child_box,
MX_ALIGN_MIDDLE, MX_ALIGN_MIDDLE, FALSE, FALSE);
clutter_actor_allocate (priv->child, &child_box, flags);
}
/* Allocate Header */
if (priv->header_visible)
{
gfloat icon1_w, icon1_h, icon2_w, icon2_h, label_h, label_w, header_h;
gfloat middle_w;
if (priv->header_padding)
{
padding.top += priv->header_padding->top;
padding.right += priv->header_padding->right;
padding.bottom += priv->header_padding->bottom;
padding.left += priv->header_padding->left;
}
clutter_actor_get_preferred_size (priv->box_layout, NULL, NULL, &label_w,
&label_h);
if (priv->icon1)
clutter_actor_get_preferred_size (priv->icon1, NULL, NULL, &icon1_w,
&icon1_h);
else
icon1_h = icon1_w = 0;
if (priv->icon2)
clutter_actor_get_preferred_size (priv->icon2, NULL, NULL, &icon2_w,
&icon2_h);
else
icon2_h = icon2_w = 0;
header_h = MAX (icon1_h, MAX (icon2_h, label_h));
/* primary icon */
if (priv->icon1)
{
child_box.y1 = padding.top + (header_h / 2.0) - (icon1_h / 2.0);
child_box.x1 = padding.left;
child_box.y2 = child_box.y1 + icon1_h;
child_box.x2 = child_box.x1 + icon1_w;
clutter_actor_allocate (priv->icon1, &child_box, flags);
child_box.x1 += icon1_w + 8;
}
else
child_box.x1 = padding.left;
/* label */
child_box.x2 = child_box.x1 + label_w;
child_box.y1 = (int) (padding.top + (header_h / 2.0) - (label_h / 2.0));
child_box.y2 = child_box.y1 + label_h;
fade = clutter_actor_get_effect (priv->box_layout, "fade");
middle_w = available_width - icon1_w - icon2_w;
if (priv->header_padding)
middle_w -= priv->header_padding->left + priv->header_padding->right;
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (fade),
!(middle_w > label_w));
mx_fade_effect_set_bounds (MX_FADE_EFFECT (fade), 0, 0, middle_w, 0);
clutter_actor_allocate (priv->box_layout, &child_box, flags);
/* secondary icon */
if (priv->icon2)
{
child_box.x2 = (box->x2 - box->x1) - padding.right;
child_box.x1 = child_box.x2 - icon2_w;
child_box.y1 = padding.top + (header_h / 2.0) - (icon2_h / 2.0);
child_box.y2 = child_box.y1 + icon2_h;
clutter_actor_allocate (priv->icon2, &child_box, flags);
}
priv->header_height = header_h;
if (priv->header_padding)
priv->header_height += priv->header_padding->top
+ priv->header_padding->bottom;
}
}
static gboolean
clutter_colorize_effect_pre_paint (ClutterEffect *effect)
{
ClutterColorizeEffect *self = CLUTTER_COLORIZE_EFFECT (effect);
ClutterEffectClass *parent_class;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
if (self->actor == NULL)
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
if (self->shader == COGL_INVALID_HANDLE)
{
self->shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
cogl_shader_source (self->shader, colorize_glsl_shader);
self->is_compiled = FALSE;
self->tex_uniform = -1;
self->tint_uniform = -1;
}
if (self->program == COGL_INVALID_HANDLE)
self->program = cogl_create_program ();
if (!self->is_compiled)
{
g_assert (self->shader != COGL_INVALID_HANDLE);
g_assert (self->program != COGL_INVALID_HANDLE);
cogl_shader_compile (self->shader);
if (!cogl_shader_is_compiled (self->shader))
{
gchar *log_buf = cogl_shader_get_info_log (self->shader);
g_warning (G_STRLOC ": Unable to compile the colorize shader: %s",
log_buf);
g_free (log_buf);
cogl_handle_unref (self->shader);
cogl_handle_unref (self->program);
self->shader = COGL_INVALID_HANDLE;
self->program = COGL_INVALID_HANDLE;
}
else
{
cogl_program_attach_shader (self->program, self->shader);
cogl_program_link (self->program);
cogl_handle_unref (self->shader);
self->is_compiled = TRUE;
self->tex_uniform =
cogl_program_get_uniform_location (self->program, "tex");
self->tint_uniform =
cogl_program_get_uniform_location (self->program, "tint");
}
}
parent_class = CLUTTER_EFFECT_CLASS (clutter_colorize_effect_parent_class);
return parent_class->pre_paint (effect);
}
