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St: drop StClickable, add some functionality to StButton

Browse Source 
For historical reasons, we had both StClickable and StButton, which
were nearly identical. StButton was more widely-used, so keep that and
port all StClickable users to that.

https://bugzilla.gnome.org/show_bug.cgi?id=640583
This commit is contained in:
Dan Winship 2011-01-25 16:22:00 -05:00
parent c256fa9b9f
commit c86a977564
13 changed files with 244 additions and 526 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
data/theme/gnome-shell.css
View File

@ -217,7 +217,7 @@ StTooltip StLabel {
transition-duration: 100;
}
.panel-button:active, .panel-button:checked, .panel-button:pressed, .panel-button:focus {
.panel-button:active, .panel-button:checked, .panel-button:focus {
background-gradient-direction: vertical;
background-gradient-start: #3c3c3c;
background-gradient-end: #131313;
@ -541,11 +541,6 @@ StTooltip StLabel {
transition-duration: 100;
}
.app-well-app:active > .overview-icon {
background-color: #1e1e1e;
border: 1px solid #5f5f5f;
}
.app-well-menu {
font-size: 12px
}

4
js/ui/altTab.js
View File

@ -593,8 +593,8 @@ SwitcherList.prototype = {
},
addItem : function(item) {
let bbox = new St.Clickable({ style_class: 'item-box',
reactive: true });
let bbox = new St.Button({ style_class: 'item-box',
reactive: true });
bbox.set_child(item);
this._list.add_actor(bbox);

14
js/ui/appDisplay.js
View File

@ -319,10 +319,11 @@ function AppWellIcon(app, iconParams) {
AppWellIcon.prototype = {
_init : function(app, iconParams) {
this.app = app;
this.actor = new St.Clickable({ style_class: 'app-well-app',
reactive: true,
x_fill: true,
y_fill: true });
this.actor = new St.Button({ style_class: 'app-well-app',
reactive: true,
button_mask: St.ButtonMask.ONE | St.ButtonMask.TWO,
x_fill: true,
y_fill: true });
this.actor._delegate = this;
this.icon = new AppIcon(app, iconParams);
@ -390,12 +391,11 @@ AppWellIcon.prototype = {
return false;
},
_onClicked: function(actor, event) {
_onClicked: function(actor, button) {
this._removeMenuTimeout();
let button = event.get_button();
if (button == 1) {
this._onActivate(event);
this._onActivate(Clutter.get_current_event());
} else if (button == 2) {
let newWorkspace = Main.overview.workspaces.addWorkspace();
if (newWorkspace != null) {

10
js/ui/dnd.js
View File

@ -112,11 +112,11 @@ _Draggable.prototype = {
return false;
this._buttonDown = true;
// special case St.Clickable: grabbing the pointer would mess up the
// special case St.Button: grabbing the pointer would mess up the
// internal state, so we start the drag manually on hover change
if (this.actor instanceof St.Clickable)
if (this.actor instanceof St.Button)
this.actor.connect('notify::hover',
Lang.bind(this, this._onClickableHoverChanged));
Lang.bind(this, this._onButtonHoverChanged));
else
this._grabActor();
@ -127,8 +127,8 @@ _Draggable.prototype = {
return false;
},
_onClickableHoverChanged: function(button) {
if (button.hover || !button.held)
_onButtonHoverChanged: function(button) {
if (button.hover || !button.pressed)
return;
button.fake_release();

12
js/ui/endSessionDialog.js
View File

@ -137,12 +137,12 @@ ListItem.prototype = {
let layout = new St.BoxLayout({ vertical: false});
this.actor = new St.Clickable({ style_class: 'end-session-dialog-app-list-item',
can_focus: true,
child: layout,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this.actor = new St.Button({ style_class: 'end-session-dialog-app-list-item',
can_focus: true,
child: layout,
reactive: true,
x_align: St.Align.START,
x_fill: true });
this._icon = this._app.create_icon_texture(_ITEM_ICON_SIZE);

14
js/ui/panel.js
View File

@ -612,10 +612,10 @@ Panel.prototype = {
/* Button on the left side of the panel. */
/* Translators: If there is no suitable word for "Activities" in your language, you can use the word for "Overview". */
let label = new St.Label({ text: _("Activities") });
this.button = new St.Clickable({ name: 'panelActivities',
style_class: 'panel-button',
reactive: true,
can_focus: true });
this.button = new St.Button({ name: 'panelActivities',
style_class: 'panel-button',
reactive: true,
can_focus: true });
this.button.set_child(label);
this.button._delegate = this.button;
this.button._xdndTimeOut = 0;
@ -712,7 +712,7 @@ Panel.prototype = {
// We get into the Overview mode on button-press-event as opposed to button-release-event because eventually we'll probably
// have the Overview act like a menu that allows the user to release the mouse on the activity the user wants
// to switch to.
this.button.connect('clicked', Lang.bind(this, function(b, event) {
this.button.connect('clicked', Lang.bind(this, function(b) {
if (!Main.overview.animationInProgress) {
this._maybeToggleOverviewOnClick();
return true;
@ -724,10 +724,10 @@ Panel.prototype = {
// pressing the System key, Alt+F1 or Esc. We want the button to be pressed in when the Overview is entered
// and to be released when it is exited regardless of how it was triggered.
Main.overview.connect('showing', Lang.bind(this, function() {
this.button.active = true;
this.button.checked = true;
}));
Main.overview.connect('hiding', Lang.bind(this, function() {
this.button.active = false;
this.button.checked = false;
}));
Main.chrome.addActor(this.actor, { visibleInOverview: true });

26
js/ui/searchDisplay.js
View File

@ -24,10 +24,10 @@ SearchResult.prototype = {
_init: function(provider, metaInfo, terms) {
this.provider = provider;
this.metaInfo = metaInfo;
this.actor = new St.Clickable({ style_class: 'search-result',
reactive: true,
x_align: St.Align.START,
y_fill: true });
this.actor = new St.Button({ style_class: 'search-result',
reactive: true,
x_align: St.Align.START,
y_fill: true });
this.actor._delegate = this;
let content = provider.createResultActor(metaInfo, terms);
@ -69,7 +69,7 @@ SearchResult.prototype = {
Main.overview.toggle();
},
_onResultClicked: function(actor, event) {
_onResultClicked: function(actor) {
this.activate();
},
@ -221,23 +221,23 @@ SearchResults.prototype = {
},
_createOpenSearchProviderButton: function(provider) {
let clickable = new St.Clickable({ style_class: 'dash-search-button',
reactive: true,
x_fill: true,
y_align: St.Align.MIDDLE });
let button = new St.Button({ style_class: 'dash-search-button',
reactive: true,
x_fill: true,
y_align: St.Align.MIDDLE });
let bin = new St.Bin({ x_fill: false,
x_align:St.Align.MIDDLE });
clickable.connect('clicked', Lang.bind(this, function() {
button.connect('clicked', Lang.bind(this, function() {
this._openSearchSystem.activateResult(provider.id);
}));
let title = new St.Label({ text: provider.name,
style_class: 'dash-search-button-label' });
bin.set_child(title);
clickable.set_child(bin);
provider.actor = clickable;
button.set_child(bin);
provider.actor = button;
this._searchProvidersBox.add(clickable);
this._searchProvidersBox.add(button);
},
createProviderMeta: function(provider) {

2
src/Makefile-st.am
View File

@ -72,7 +72,6 @@ st_source_h = \
st/st-box-layout.h \
st/st-box-layout-child.h \
st/st-button.h \
st/st-clickable.h \
st/st-clipboard.h \
st/st-container.h \
st/st-drawing-area.h \
@ -130,7 +129,6 @@ st_source_c = \
st/st-box-layout.c \
st/st-box-layout-child.c \
st/st-button.c \
st/st-clickable.c \
st/st-clipboard.c \
st/st-container.c \
st/st-drawing-area.c \

219
src/st/st-button.c
View File

@ -40,6 +40,7 @@
#include "st-button.h"
#include "st-enum-types.h"
#include "st-marshal.h"
#include "st-texture-cache.h"
#include "st-private.h"
@ -49,8 +50,10 @@ enum
PROP_0,
PROP_LABEL,
PROP_BUTTON_MASK,
PROP_TOGGLE_MODE,
PROP_CHECKED
PROP_CHECKED,
PROP_PRESSED
};
enum
@ -65,14 +68,16 @@ enum
struct _StButtonPrivate
{
gchar *text;
gchar *text;
guint is_pressed : 1;
guint is_checked : 1;
guint is_toggle : 1;
guint has_grab : 1;
guint button_mask : 3;
guint is_toggle : 1;
gint spacing;
guint pressed : 3;
guint grabbed : 3;
guint is_checked : 1;
gint spacing;
};
static guint button_signals[LAST_SIGNAL] = { 0, };
@ -119,31 +124,32 @@ st_button_style_changed (StWidget *widget)
}
static void
st_button_press (StButton *button)
st_button_press (StButton *button,
StButtonMask mask)
{
if (button->priv->is_pressed)
return;
if (button->priv->pressed == 0)
st_widget_add_style_pseudo_class (ST_WIDGET (button), "active");
button->priv->is_pressed = TRUE;
st_widget_add_style_pseudo_class (ST_WIDGET (button), "active");
button->priv->pressed |= mask;
}
static void
st_button_release (StButton *button,
gboolean clicked)
st_button_release (StButton *button,
StButtonMask mask,
int clicked_button)
{
if (!button->priv->is_pressed)
button->priv->pressed &= ~mask;
if (button->priv->pressed != 0)
return;
button->priv->is_pressed = FALSE;
st_widget_remove_style_pseudo_class (ST_WIDGET (button), "active");
if (clicked)
if (clicked_button)
{
if (button->priv->is_toggle)
st_button_set_checked (button, !button->priv->is_checked);
g_signal_emit (button, button_signals[CLICKED], 0);
g_signal_emit (button, button_signals[CLICKED], 0, clicked_button);
}
}
@ -151,15 +157,18 @@ static gboolean
st_button_button_press (ClutterActor *actor,
ClutterButtonEvent *event)
{
StButton *button = ST_BUTTON (actor);
StButtonMask mask = ST_BUTTON_MASK_FROM_BUTTON (event->button);
st_widget_hide_tooltip (ST_WIDGET (actor));
if (event->button == 1)
if (button->priv->button_mask & mask)
{
StButton *button = ST_BUTTON (actor);
if (button->priv->grabbed == 0)
clutter_grab_pointer (actor);
clutter_grab_pointer (actor);
button->priv->has_grab = TRUE;
st_button_press (button);
button->priv->grabbed |= mask;
st_button_press (button, mask);
return TRUE;
}
@ -171,19 +180,19 @@ static gboolean
st_button_button_release (ClutterActor *actor,
ClutterButtonEvent *event)
{
if (event->button == 1)
StButton *button = ST_BUTTON (actor);
StButtonMask mask = ST_BUTTON_MASK_FROM_BUTTON (event->button);
if (button->priv->button_mask & mask)
{
StButton *button = ST_BUTTON (actor);
gboolean is_click;
is_click = button->priv->has_grab && st_widget_get_hover (ST_WIDGET (button));
st_button_release (button, is_click);
is_click = button->priv->grabbed && st_widget_get_hover (ST_WIDGET (button));
st_button_release (button, mask, is_click ? event->button : 0);
if (button->priv->has_grab)
{
button->priv->has_grab = FALSE;
clutter_ungrab_pointer ();
}
button->priv->grabbed &= ~mask;
if (button->priv->grabbed == 0)
clutter_ungrab_pointer ();
return TRUE;
}
@ -195,13 +204,18 @@ static gboolean
st_button_key_press (ClutterActor *actor,
ClutterKeyEvent *event)
{
StButton *button = ST_BUTTON (actor);
st_widget_hide_tooltip (ST_WIDGET (actor));
if (event->keyval == CLUTTER_KEY_space ||
event->keyval == CLUTTER_KEY_Return)
if (button->priv->button_mask & ST_BUTTON_ONE)
{
st_button_press (ST_BUTTON (actor));
return TRUE;
if (event->keyval == CLUTTER_KEY_space ||
event->keyval == CLUTTER_KEY_Return)
{
st_button_press (button, ST_BUTTON_ONE);
return TRUE;
}
}
return FALSE;
@ -211,16 +225,34 @@ static gboolean
st_button_key_release (ClutterActor *actor,
ClutterKeyEvent *event)
{
if (event->keyval == CLUTTER_KEY_space ||
event->keyval == CLUTTER_KEY_Return)
StButton *button = ST_BUTTON (actor);
if (button->priv->button_mask & ST_BUTTON_ONE)
{
st_button_release (ST_BUTTON (actor), TRUE);
return TRUE;
if (event->keyval == CLUTTER_KEY_space ||
event->keyval == CLUTTER_KEY_Return)
{
st_button_release (button, ST_BUTTON_ONE, 1);
return TRUE;
}
}
return FALSE;
}
static void
st_button_key_focus_out (ClutterActor *actor)
{
StButton *button = ST_BUTTON (actor);
/* If we lose focus between a key press and release, undo the press */
if ((button->priv->pressed & ST_BUTTON_ONE) &&
!(button->priv->grabbed & ST_BUTTON_ONE))
st_button_release (button, ST_BUTTON_ONE, 0);
CLUTTER_ACTOR_CLASS (st_button_parent_class)->key_focus_out (actor);
}
static gboolean
st_button_enter (ClutterActor *actor,
ClutterCrossingEvent *event)
@ -230,12 +262,12 @@ st_button_enter (ClutterActor *actor,
ret = CLUTTER_ACTOR_CLASS (st_button_parent_class)->enter_event (actor, event);
if (button->priv->has_grab)
if (button->priv->grabbed)
{
if (st_widget_get_hover (ST_WIDGET (button)))
st_button_press (button);
st_button_press (button, button->priv->grabbed);
else
st_button_release (button, FALSE);
st_button_release (button, button->priv->grabbed, 0);
}
return ret;
@ -250,12 +282,12 @@ st_button_leave (ClutterActor *actor,
ret = CLUTTER_ACTOR_CLASS (st_button_parent_class)->leave_event (actor, event);
if (button->priv->has_grab)
if (button->priv->grabbed)
{
if (st_widget_get_hover (ST_WIDGET (button)))
st_button_press (button);
st_button_press (button, button->priv->grabbed);
else
st_button_release (button, FALSE);
st_button_release (button, button->priv->grabbed, 0);
}
return ret;
@ -274,6 +306,9 @@ st_button_set_property (GObject *gobject,
case PROP_LABEL:
st_button_set_label (button, g_value_get_string (value));
break;
case PROP_BUTTON_MASK:
st_button_set_button_mask (button, g_value_get_flags (value));
break;
case PROP_TOGGLE_MODE:
st_button_set_toggle_mode (button, g_value_get_boolean (value));
break;
@ -301,12 +336,18 @@ st_button_get_property (GObject *gobject,
case PROP_LABEL:
g_value_set_string (value, priv->text);
break;
case PROP_BUTTON_MASK:
g_value_set_flags (value, priv->button_mask);
break;
case PROP_TOGGLE_MODE:
g_value_set_boolean (value, priv->is_toggle);
break;
case PROP_CHECKED:
g_value_set_boolean (value, priv->is_checked);
break;
case PROP_PRESSED:
g_value_set_boolean (value, priv->pressed != 0);
break;
default:
@ -343,6 +384,7 @@ st_button_class_init (StButtonClass *klass)
actor_class->button_release_event = st_button_button_release;
actor_class->key_press_event = st_button_key_press;
actor_class->key_release_event = st_button_key_release;
actor_class->key_focus_out = st_button_key_focus_out;
actor_class->enter_event = st_button_enter;
actor_class->leave_event = st_button_leave;
@ -354,6 +396,13 @@ st_button_class_init (StButtonClass *klass)
NULL, G_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_LABEL, pspec);
pspec = g_param_spec_flags ("button-mask",
"Button mask",
"Which buttons trigger the 'clicked' signal",
ST_TYPE_BUTTON_MASK, ST_BUTTON_ONE,
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_BUTTON_MASK, pspec);
pspec = g_param_spec_boolean ("toggle-mode",
"Toggle Mode",
"Enable or disable toggling",
@ -367,23 +416,30 @@ st_button_class_init (StButtonClass *klass)
FALSE, G_PARAM_READWRITE);
g_object_class_install_property (gobject_class, PROP_CHECKED, pspec);
pspec = g_param_spec_boolean ("pressed",
"Pressed",
"Indicates if the button is pressed in",
FALSE, G_PARAM_READABLE);
g_object_class_install_property (gobject_class, PROP_PRESSED, pspec);
/**
* StButton::clicked:
* @button: the object that received the signal
* @clicked_button: the mouse button that was used
*
* Emitted when the user activates the button, either with a mouse press and
* release or with the keyboard.
*/
button_signals[CLICKED] =
g_signal_new ("clicked",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (StButtonClass, clicked),
NULL, NULL,
_st_marshal_VOID__VOID,
G_TYPE_NONE, 0);
_st_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
}
static void
@ -391,6 +447,7 @@ st_button_init (StButton *button)
{
button->priv = ST_BUTTON_GET_PRIVATE (button);
button->priv->spacing = 6;
button->priv->button_mask = ST_BUTTON_ONE;
clutter_actor_set_reactive (CLUTTER_ACTOR (button), TRUE);
st_widget_set_track_hover (ST_WIDGET (button), TRUE);
@ -431,7 +488,7 @@ st_button_new_with_label (const gchar *text)
*
* Returns: the text for the button. This must not be freed by the application
*/
G_CONST_RETURN gchar *
const gchar *
st_button_get_label (StButton *button)
{
g_return_val_if_fail (ST_IS_BUTTON (button), NULL);
@ -487,6 +544,42 @@ st_button_set_label (StButton *button,
g_object_notify (G_OBJECT (button), "label");
}
/**
* st_button_get_button_mask:
* @button: a #StButton
*
* Gets the mask of mouse buttons that @button emits the
* #StButton::clicked signal for.
*
* Returns: the mask of mouse buttons that @button emits the
* #StButton::clicked signal for.
*/
StButtonMask
st_button_get_button_mask (StButton *button)
{
g_return_val_if_fail (ST_IS_BUTTON (button), 0);
return button->priv->button_mask;
}
/**
* st_button_set_button_mask:
* @button: a #Stbutton
* @mask: the mask of mouse buttons that @button responds to
*
* Sets which mouse buttons @button emits #StButton::clicked for.
*/
void
st_button_set_button_mask (StButton *button,
StButtonMask mask)
{
g_return_if_fail (ST_IS_BUTTON (button));
button->priv->button_mask = mask;
g_object_notify (G_OBJECT (button), "button-mask");
}
/**
* st_button_get_toggle_mode:
* @button: a #StButton
@ -564,3 +657,29 @@ st_button_set_checked (StButton *button,
g_object_notify (G_OBJECT (button), "checked");
}
/**
* st_button_fake_release:
* @button: an #StButton
*
* If this widget is holding a pointer grab, this function will
* will ungrab it, and reset the pressed state. The effect is
* similar to if the user had released the mouse button, but without
* emitting the clicked signal.
*
* This function is useful if for example you want to do something
* after the user is holding the mouse button for a given period of
* time, breaking the grab.
*/
void
st_button_fake_release (StButton *button)
{
if (button->priv->pressed)
st_button_release (button, button->priv->pressed, 0);
if (button->priv->grabbed)
{
button->priv->grabbed = 0;
clutter_ungrab_pointer ();
}
}

44
src/st/st-button.h
View File

@ -68,17 +68,39 @@ struct _StButtonClass
GType st_button_get_type (void) G_GNUC_CONST;
StWidget * st_button_new (void);
StWidget * st_button_new_with_label (const gchar *text);
G_CONST_RETURN gchar *st_button_get_label (StButton *button);
void st_button_set_label (StButton *button,
const gchar *text);
void st_button_set_toggle_mode (StButton *button,
gboolean toggle);
gboolean st_button_get_toggle_mode (StButton *button);
void st_button_set_checked (StButton *button,
gboolean checked);
gboolean st_button_get_checked (StButton *button);
StWidget *st_button_new (void);
StWidget *st_button_new_with_label (const gchar *text);
const gchar *st_button_get_label (StButton *button);
void st_button_set_label (StButton *button,
const gchar *text);
void st_button_set_toggle_mode (StButton *button,
gboolean toggle);
gboolean st_button_get_toggle_mode (StButton *button);
void st_button_set_checked (StButton *button,
gboolean checked);
gboolean st_button_get_checked (StButton *button);
void st_button_fake_release (StButton *button);
/**
* StButtonMask:
* @ST_BUTTON_ONE: button 1 (left)
* @ST_BUTTON_TWO: button 2 (middle)
* @ST_BUTTON_THREE: button 3 (right)
*
* A mask representing which mouse buttons an StButton responds to.
*/
typedef enum {
ST_BUTTON_ONE = (1 << 0),
ST_BUTTON_TWO = (1 << 1),
ST_BUTTON_THREE = (1 << 2),
} StButtonMask;
#define ST_BUTTON_MASK_FROM_BUTTON(button) (1 << ((button) - 1))
void st_button_set_button_mask (StButton *button,
StButtonMask mask);
StButtonMask st_button_get_button_mask (StButton *button);
G_END_DECLS

363
src/st/st-clickable.c
View File

@ -1,363 +0,0 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* st-clickable.h: A bin with methods and properties useful for implementing buttons
*
* Copyright 2009, 2010 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:st-clickable
* @short_description: A bin with methods and properties useful for implementing buttons
*
* A #StBin subclass which translates lower-level Clutter button events
* into higher level properties which are useful for implementing "button-like"
* actors.
*/
#include "st-clickable.h"
#include "st-private.h"
G_DEFINE_TYPE (StClickable, st_clickable, ST_TYPE_BIN);
struct _StClickablePrivate {
gboolean active;
gboolean held;
gboolean pressed;
guint initiating_button;
};
/* Signals */
enum
{
CLICKED,
LAST_SIGNAL
};
enum {
PROP_0,
PROP_ACTIVE,
PROP_HELD,
PROP_PRESSED
};
static guint st_clickable_signals [LAST_SIGNAL] = { 0 };
static void
sync_pseudo_class (StClickable *self)
{
if (self->priv->pressed || self->priv->active)
st_widget_add_style_pseudo_class (ST_WIDGET (self), "pressed");
else
st_widget_remove_style_pseudo_class (ST_WIDGET (self), "pressed");
}
static void
set_active (StClickable *self,
gboolean active)
{
if (self->priv->active == active)
return;
self->priv->active = active;
sync_pseudo_class (self);
g_object_notify (G_OBJECT (self), "active");
}
static void
set_pressed (StClickable *self,
gboolean pressed)
{
if (self->priv->pressed == pressed)
return;
self->priv->pressed = pressed;
sync_pseudo_class (self);
g_object_notify (G_OBJECT (self), "pressed");
}
static gboolean
st_clickable_enter_event (ClutterActor *actor,
ClutterCrossingEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
gboolean result;
g_object_freeze_notify (G_OBJECT (actor));
result = CLUTTER_ACTOR_CLASS (st_clickable_parent_class)->enter_event (actor, event);
/* We can't just assume get_hover() is TRUE; see st_widget_enter(). */
set_pressed (self, self->priv->held && st_widget_get_hover (ST_WIDGET (actor)));
g_object_thaw_notify (G_OBJECT (actor));
return result;
}
static gboolean
st_clickable_leave_event (ClutterActor *actor,
ClutterCrossingEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
gboolean result;
g_object_freeze_notify (G_OBJECT (actor));
result = CLUTTER_ACTOR_CLASS (st_clickable_parent_class)->leave_event (actor, event);
/* As above, we can't just assume get_hover() is FALSE. */
set_pressed (self, self->priv->held && st_widget_get_hover (ST_WIDGET (actor)));
g_object_thaw_notify (G_OBJECT (actor));
return result;
}
static gboolean
st_clickable_button_press_event (ClutterActor *actor,
ClutterButtonEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
if (event->click_count != 1)
return FALSE;
if (self->priv->held)
return TRUE;
if (!clutter_actor_contains (actor, event->source))
return FALSE;
self->priv->held = TRUE;
self->priv->initiating_button = event->button;
clutter_grab_pointer (CLUTTER_ACTOR (self));
set_pressed (self, TRUE);
return TRUE;
}
static gboolean
st_clickable_button_release_event (ClutterActor *actor,
ClutterButtonEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
if (event->button != self->priv->initiating_button || event->click_count != 1)
return FALSE;
if (!self->priv->held)
return TRUE;
self->priv->held = FALSE;
clutter_ungrab_pointer ();
if (!clutter_actor_contains (actor, event->source))
return FALSE;
set_pressed (self, FALSE);
g_signal_emit (G_OBJECT (self), st_clickable_signals[CLICKED], 0, event);
return TRUE;
}
static gboolean
st_clickable_key_press_event (ClutterActor *actor,
ClutterKeyEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
if (event->keyval == CLUTTER_KEY_space ||
event->keyval == CLUTTER_KEY_Return)
{
set_pressed (self, TRUE);
return TRUE;
}
return FALSE;
}
static gboolean
st_clickable_key_release_event (ClutterActor *actor,
ClutterKeyEvent *event)
{
StClickable *self = ST_CLICKABLE (actor);
if (event->keyval != CLUTTER_KEY_space &&
event->keyval != CLUTTER_KEY_Return)
return FALSE;
set_pressed (self, FALSE);
g_signal_emit (G_OBJECT (self), st_clickable_signals[CLICKED], 0, event);
return TRUE;
}
/**
* st_clickable_fake_release:
* @box:
*
* If this widget is holding a pointer grab, this function will
* will ungrab it, and reset the pressed state. The effect is
* similar to if the user had released the mouse button, but without
* emitting the clicked signal.
*
* This function is useful if for example you want to do something after the user
* is holding the mouse button for a given period of time, breaking the
* grab.
*/
void
st_clickable_fake_release (StClickable *self)
{
if (!self->priv->held)
return;
self->priv->held = FALSE;
clutter_ungrab_pointer ();
set_pressed (self, FALSE);
}
static void
st_clickable_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
StClickable *self = ST_CLICKABLE (object);
switch (prop_id)
{
case PROP_ACTIVE:
set_active (self, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
st_clickable_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
StClickable *self = ST_CLICKABLE (object);
switch (prop_id)
{
case PROP_ACTIVE:
g_value_set_boolean (value, self->priv->active);
break;
case PROP_HELD:
g_value_set_boolean (value, self->priv->held);
break;
case PROP_PRESSED:
g_value_set_boolean (value, self->priv->pressed);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
st_clickable_class_init (StClickableClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
gobject_class->get_property = st_clickable_get_property;
gobject_class->set_property = st_clickable_set_property;
actor_class->enter_event = st_clickable_enter_event;
actor_class->leave_event = st_clickable_leave_event;
actor_class->button_press_event = st_clickable_button_press_event;
actor_class->button_release_event = st_clickable_button_release_event;
actor_class->key_press_event = st_clickable_key_press_event;
actor_class->key_release_event = st_clickable_key_release_event;
/**
* StClickable::clicked
* @box: The #StClickable
*
* This signal is emitted when the button should take the action
* associated with button click+release.
*/
st_clickable_signals[CLICKED] =
g_signal_new ("clicked",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__BOXED,
G_TYPE_NONE, 1, CLUTTER_TYPE_EVENT);
/**
* StClickable:active
*
* The property allows the button to be used as a "toggle button"; it's up to the
* application to update the active property in response to the activate signal;
* it doesn't happen automatically.
*/
g_object_class_install_property (gobject_class,
PROP_ACTIVE,
g_param_spec_boolean ("active",
"Active",
"Whether the button persistently active",
FALSE,
G_PARAM_READWRITE));
/**
* StClickable:held
*
* This property tracks whether the button has the pointer grabbed,
* whether or not the pointer is currently hovering over the button.
*/
g_object_class_install_property (gobject_class,
PROP_HELD,
g_param_spec_boolean ("held",
"Held state",
"Whether the mouse button is currently pressed",
FALSE,
G_PARAM_READABLE));
/**
* StClickable:pressed
*
* This property tracks whether the button should have a "pressed in"
* effect.
*/
g_object_class_install_property (gobject_class,
PROP_PRESSED,
g_param_spec_boolean ("pressed",
"Pressed state",
"Whether the button is currently pressed",
FALSE,
G_PARAM_READABLE));
g_type_class_add_private (gobject_class, sizeof (StClickablePrivate));
}
static void
st_clickable_init (StClickable *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, ST_TYPE_CLICKABLE,
StClickablePrivate);
st_widget_set_track_hover (ST_WIDGET (self), TRUE);
}

54
src/st/st-clickable.h
View File

@ -1,54 +0,0 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* st-clickable.h: A bin with methods and properties useful for implementing buttons
*
* Copyright 2009, 2010 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ST_CLICKABLE_H__
#define __ST_CLICKABLE_H__
#include "st-bin.h"
#define ST_TYPE_CLICKABLE (st_clickable_get_type ())
#define ST_CLICKABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ST_TYPE_CLICKABLE, StClickable))
#define ST_CLICKABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ST_TYPE_CLICKABLE, StClickableClass))
#define ST_IS_CLICKABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ST_TYPE_CLICKABLE))
#define ST_IS_CLICKABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ST_TYPE_CLICKABLE))
#define ST_CLICKABLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ST_TYPE_CLICKABLE, StClickableClass))
typedef struct _StClickable StClickable;
typedef struct _StClickableClass StClickableClass;
typedef struct _StClickablePrivate StClickablePrivate;
struct _StClickable
{
StBin parent;
StClickablePrivate *priv;
};
struct _StClickableClass
{
StBinClass parent_class;
};
GType st_clickable_get_type (void) G_GNUC_CONST;
void st_clickable_fake_release (StClickable *box);
#endif /* __ST_CLICKABLE_H__ */

1
src/st/st-marshal.list
View File

@ -2,6 +2,7 @@ VOID:OBJECT
VOID:VOID
VOID:PARAM
VOID:POINTER
VOID:INT
VOID:UINT
VOID:UINT,UINT
VOID:OBJECT,OBJECT