[gtk+/wip/otte/gadget: 5/18] switch: Port to gadgets
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/gadget: 5/18] switch: Port to gadgets
- Date: Mon, 14 Dec 2015 04:51:02 +0000 (UTC)
commit d62e3b2243680e814c26eb40e9366d50150a80c9
Author: Benjamin Otte <otte redhat com>
Date: Mon Mar 9 06:16:50 2015 +0100
switch: Port to gadgets
gtk/gtkswitch.c | 335 ++++++++++++++++++++++++++++---------------------------
1 files changed, 171 insertions(+), 164 deletions(-)
---
diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index f4e5e04..705c191 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -61,8 +61,8 @@
#include "gtkactionable.h"
#include "a11y/gtkswitchaccessible.h"
#include "gtkactionhelper.h"
-#include "gtkcssnodeprivate.h"
-#include "gtkcssstylepropertyprivate.h"
+#include "gtkcsscustomgadgetprivate.h"
+#include "gtkcssgadgetprivate.h"
#include "gtkstylecontextprivate.h"
#include "gtkwidgetprivate.h"
#include "gtkcssshadowsvalueprivate.h"
@@ -81,7 +81,8 @@ struct _GtkSwitchPrivate
GtkGesture *pan_gesture;
GtkGesture *multipress_gesture;
- GtkCssNode *slider_node;
+ GtkCssGadget *gadget;
+ GtkCssGadget *slider_gadget;
double handle_pos;
gint64 start_time;
@@ -179,7 +180,7 @@ gtk_switch_on_frame_clock_update (GtkWidget *widget,
gtk_switch_set_active (sw, !priv->is_active);
}
- gtk_widget_queue_draw (GTK_WIDGET (sw));
+ gtk_widget_queue_allocate (GTK_WIDGET (sw));
return G_SOURCE_CONTINUE;
}
@@ -258,8 +259,6 @@ gtk_switch_pan_gesture_pan (GtkGesturePan *gesture,
{
GtkWidget *widget = GTK_WIDGET (sw);
GtkSwitchPrivate *priv = sw->priv;
- GtkStyleContext *context;
- GtkBorder padding;
gint width;
if (direction == GTK_PAN_DIRECTION_LEFT)
@@ -267,12 +266,6 @@ gtk_switch_pan_gesture_pan (GtkGesturePan *gesture,
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save_to_node (context, priv->slider_node);
- gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
- gtk_style_context_restore (context);
-
width = gtk_widget_get_allocated_width (widget);
if (priv->is_active)
@@ -283,7 +276,7 @@ gtk_switch_pan_gesture_pan (GtkGesturePan *gesture,
priv->handle_pos = CLAMP (offset, 0, 1.0);
/* we need to redraw the handle */
- gtk_widget_queue_draw (widget);
+ gtk_widget_queue_allocate (widget);
}
static void
@@ -315,7 +308,7 @@ gtk_switch_pan_gesture_drag_end (GtkGestureDrag *gesture,
priv->handle_pos = active ? 1.0 : 0.0;
gtk_switch_set_active (sw, active);
- gtk_widget_queue_draw (GTK_WIDGET (sw));
+ gtk_widget_queue_allocate (GTK_WIDGET (sw));
}
static gboolean
@@ -357,54 +350,102 @@ gtk_switch_activate (GtkSwitch *sw)
}
static void
-gtk_switch_get_preferred_width (GtkWidget *widget,
- gint *minimum,
- gint *natural)
+gtk_switch_get_slider_size (GtkCssGadget *gadget,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum,
+ gint *natural,
+ gint *minimum_baseline,
+ gint *natural_baseline,
+ gpointer unused)
+{
+ GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
+ gint slider_size;
+
+ if (orientation == GTK_ORIENTATION_VERTICAL)
+ {
+ gtk_widget_style_get (widget,
+ "slider-width", &slider_size,
+ NULL);
+ slider_size *= 0.6;
+ }
+ else
+ {
+ gtk_widget_style_get (widget,
+ "slider-height", &slider_size,
+ NULL);
+ }
+
+ *minimum = slider_size;
+ *natural = slider_size;
+}
+
+static void
+gtk_switch_get_content_size (GtkCssGadget *gadget,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum,
+ gint *natural,
+ gint *minimum_baseline,
+ gint *natural_baseline,
+ gpointer unused)
{
+ GtkWidget *widget;
GtkSwitch *self;
GtkSwitchPrivate *priv;
- GtkStyleContext *context;
- GtkBorder padding;
- gint width, slider_width;
+ gint slider_minimum, slider_natural;
PangoLayout *layout;
- PangoRectangle logical_rect;
+ PangoRectangle on_rect, off_rect;
+ widget = gtk_css_gadget_get_owner (gadget);
self = GTK_SWITCH (widget);
priv = self->priv;
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save_to_node (context, priv->slider_node);
- gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
-
- width = padding.left + padding.right;
- gtk_style_context_restore (context);
-
- gtk_widget_style_get (widget,
- "slider-width", &slider_width,
- NULL);
+ gtk_css_gadget_get_preferred_size (priv->slider_gadget,
+ orientation,
+ -1,
+ &slider_minimum, &slider_natural,
+ NULL, NULL);
/* Translators: if the "on" state label requires more than three
* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
* the state
*/
layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
- pango_layout_get_extents (layout, NULL, &logical_rect);
- pango_extents_to_pixels (&logical_rect, NULL);
- width += MAX (logical_rect.width, slider_width);
+ pango_layout_get_pixel_extents (layout, NULL, &on_rect);
/* Translators: if the "off" state label requires more than three
* glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
*/
pango_layout_set_text (layout, C_("switch", "OFF"), -1);
- pango_layout_get_extents (layout, NULL, &logical_rect);
- pango_extents_to_pixels (&logical_rect, NULL);
- width += MAX (logical_rect.width, slider_width);
+ pango_layout_get_pixel_extents (layout, NULL, &off_rect);
g_object_unref (layout);
- *minimum = width;
- *natural = width;
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ {
+ int text_width = MAX (on_rect.width, off_rect.width);
+ *minimum = 2 * MAX (slider_minimum, text_width);
+ *natural = 2 * MAX (slider_natural, text_width);
+ }
+ else
+ {
+ int text_height = MAX (on_rect.height, off_rect.height);
+ *minimum = MAX (slider_minimum, text_height);
+ *natural = MAX (slider_natural, text_height);
+ }
+}
+
+static void
+gtk_switch_get_preferred_width (GtkWidget *widget,
+ gint *minimum,
+ gint *natural)
+{
+ gtk_css_gadget_get_preferred_size (GTK_SWITCH (widget)->priv->gadget,
+ GTK_ORIENTATION_HORIZONTAL,
+ -1,
+ minimum, natural,
+ NULL, NULL);
}
static void
@@ -412,45 +453,33 @@ gtk_switch_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
- GtkSwitch *self;
- GtkSwitchPrivate *priv;
- GtkStyleContext *context;
- GtkBorder padding;
- gint height, slider_height;
- PangoLayout *layout;
- PangoRectangle logical_rect;
- gchar *str;
-
- self = GTK_SWITCH (widget);
- priv = self->priv;
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save_to_node (context, priv->slider_node);
-
- gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
-
- height = padding.top + padding.bottom;
-
- gtk_style_context_restore (context);
-
- gtk_widget_style_get (widget,
- "slider-height", &slider_height,
- NULL);
-
- str = g_strdup_printf ("%s%s",
- C_("switch", "ON"),
- C_("switch", "OFF"));
-
- layout = gtk_widget_create_pango_layout (widget, str);
- pango_layout_get_extents (layout, NULL, &logical_rect);
- pango_extents_to_pixels (&logical_rect, NULL);
- height += MAX (slider_height, logical_rect.height);
-
- g_object_unref (layout);
- g_free (str);
+ gtk_css_gadget_get_preferred_size (GTK_SWITCH (widget)->priv->gadget,
+ GTK_ORIENTATION_VERTICAL,
+ -1,
+ minimum, natural,
+ NULL, NULL);
+}
- *minimum = height;
- *natural = height;
+static void
+gtk_switch_allocate_contents (GtkCssGadget *gadget,
+ const GtkAllocation *allocation,
+ int baseline,
+ GtkAllocation *out_clip,
+ gpointer unused)
+{
+ GtkSwitch *self = GTK_SWITCH (gtk_css_gadget_get_owner (gadget));
+ GtkSwitchPrivate *priv = self->priv;
+ GtkAllocation slider_alloc;
+
+ slider_alloc.x = allocation->x + round (priv->handle_pos * (allocation->width - allocation->width / 2));
+ slider_alloc.y = allocation->y;
+ slider_alloc.width = allocation->width / 2;
+ slider_alloc.height = allocation->height;
+
+ gtk_css_gadget_allocate (priv->slider_gadget,
+ &slider_alloc,
+ baseline,
+ out_clip);
}
static void
@@ -458,8 +487,6 @@ gtk_switch_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
- GtkStyleContext *context;
- GtkBorder extents;
GtkAllocation clip;
gtk_widget_set_allocation (widget, allocation);
@@ -471,23 +498,12 @@ gtk_switch_size_allocate (GtkWidget *widget,
allocation->width,
allocation->height);
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save_to_node (context, priv->slider_node);
-
- _gtk_css_shadows_value_get_extents (_gtk_style_context_peek_property (context,
- GTK_CSS_PROPERTY_BOX_SHADOW),
- &extents);
-
- gtk_style_context_restore (context);
-
- clip = *allocation;
- clip.x -= extents.left;
- clip.y -= extents.top;
- clip.width += extents.left + extents.right;
- clip.height += extents.top + extents.bottom;
-
- _gtk_widget_set_simple_clip (widget, &clip);
+ gtk_css_gadget_allocate (priv->gadget,
+ allocation,
+ gtk_widget_get_allocated_baseline (widget),
+ &clip);
+
+ gtk_widget_set_clip (widget, &clip);
}
static void
@@ -571,7 +587,7 @@ gtk_switch_paint_handle (GtkWidget *widget,
{
GtkStyleContext *context = gtk_widget_get_style_context (widget);
- gtk_style_context_save_to_node (context, GTK_SWITCH (widget)->priv->slider_node);
+ gtk_style_context_save_to_node (context, gtk_css_gadget_get_node (GTK_SWITCH
(widget)->priv->slider_gadget));
gtk_render_slider (context, cr,
box->x, box->y,
@@ -582,43 +598,32 @@ gtk_switch_paint_handle (GtkWidget *widget,
}
static gboolean
-gtk_switch_draw (GtkWidget *widget,
- cairo_t *cr)
+gtk_switch_render_slider (GtkCssGadget *gadget,
+ cairo_t *cr,
+ int x,
+ int y,
+ int width,
+ int height,
+ gpointer data)
+{
+ return gtk_widget_has_visible_focus (gtk_css_gadget_get_owner (gadget));
+}
+
+static gboolean
+gtk_switch_render_trough (GtkCssGadget *gadget,
+ cairo_t *cr,
+ int x,
+ int y,
+ int width,
+ int height,
+ gpointer data)
{
+ GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
- GtkStyleContext *context;
- GdkRectangle handle;
+ GtkStyleContext *context = gtk_widget_get_style_context (widget);
PangoLayout *layout;
PangoRectangle rect;
gint label_x, label_y;
- GtkBorder padding;
- gint x, y, width, height;
-
- context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save_to_node (context, priv->slider_node);
-
- gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
-
- gtk_style_context_restore (context);
-
- x = 0;
- y = 0;
- width = gtk_widget_get_allocated_width (widget);
- height = gtk_widget_get_allocated_height (widget);
-
- gtk_render_background (context, cr, x, y, width, height);
- gtk_render_frame (context, cr, x, y, width, height);
-
- width -= padding.left + padding.right;
- height -= padding.top + padding.bottom;
-
- x += padding.left;
- y += padding.top;
-
- handle.y = y;
- handle.width = width / 2;
- handle.height = height;
/* Translators: if the "on" state label requires more than three
* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
@@ -626,11 +631,10 @@ gtk_switch_draw (GtkWidget *widget,
*/
layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
- pango_layout_get_extents (layout, NULL, &rect);
- pango_extents_to_pixels (&rect, NULL);
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
- label_x = x + ((width / 2) - rect.width) / 2;
- label_y = y + (height - rect.height) / 2;
+ label_x = ((width / 2) - rect.width) / 2;
+ label_y = (height - rect.height) / 2;
gtk_render_layout (context, cr, label_x, label_y, layout);
@@ -641,26 +645,25 @@ gtk_switch_draw (GtkWidget *widget,
*/
layout = gtk_widget_create_pango_layout (widget, C_("switch", "OFF"));
- pango_layout_get_extents (layout, NULL, &rect);
- pango_extents_to_pixels (&rect, NULL);
+ pango_layout_get_pixel_extents (layout, NULL, &rect);
- label_x = x + (width / 2) + ((width / 2) - rect.width) / 2;
- label_y = y + (height - rect.height) / 2;
+ label_x = (width / 2) + ((width / 2) - rect.width) / 2;
+ label_y = (height - rect.height) / 2;
gtk_render_layout (context, cr, label_x, label_y, layout);
g_object_unref (layout);
- handle.x = x + round (priv->handle_pos * width / 2);
+ gtk_css_gadget_draw (priv->slider_gadget, cr);
- gtk_switch_paint_handle (widget, cr, &handle);
+ return FALSE;
+}
- if (gtk_widget_has_visible_focus (widget))
- {
- gtk_render_focus (context, cr,
- handle.x, handle.y,
- handle.width, handle.height);
- }
+static gboolean
+gtk_switch_draw (GtkWidget *widget,
+ cairo_t *cr)
+{
+ gtk_css_gadget_draw (GTK_SWITCH (widget)->priv->gadget, cr);
return FALSE;
}
@@ -839,6 +842,9 @@ gtk_switch_dispose (GObject *object)
priv->action = NULL;
}
+ g_clear_object (&priv->gadget);
+ g_clear_object (&priv->slider_gadget);
+
g_clear_object (&priv->pan_gesture);
g_clear_object (&priv->multipress_gesture);
@@ -870,17 +876,6 @@ state_set (GtkSwitch *sw, gboolean state)
}
static void
-node_style_changed_cb (GtkCssNode *node,
- GtkCssStyleChange *change,
- GtkWidget *widget)
-{
- if (gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_SIZE | GTK_CSS_AFFECTS_CLIP))
- gtk_widget_queue_resize (widget);
- else
- gtk_widget_queue_draw (widget);
-}
-
-static void
gtk_switch_class_init (GtkSwitchClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
@@ -1052,12 +1047,24 @@ gtk_switch_init (GtkSwitch *self)
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
widget_node = gtk_widget_get_css_node (GTK_WIDGET (self));
- priv->slider_node = gtk_css_node_new ();
- gtk_css_node_set_name (priv->slider_node, I_("slider"));
- gtk_css_node_set_parent (priv->slider_node, widget_node);
- gtk_css_node_set_state (priv->slider_node, gtk_css_node_get_state (widget_node));
- g_signal_connect_object (priv->slider_node, "style-changed", G_CALLBACK (node_style_changed_cb), self, 0);
- g_object_unref (priv->slider_node);
+ priv->gadget = gtk_css_custom_gadget_new_for_node (widget_node,
+ GTK_WIDGET (self),
+ gtk_switch_get_content_size,
+ gtk_switch_allocate_contents,
+ gtk_switch_render_trough,
+ NULL,
+ NULL);
+
+ priv->slider_gadget = gtk_css_custom_gadget_new ("slider",
+ GTK_WIDGET (self),
+ priv->gadget,
+ NULL,
+ gtk_switch_get_slider_size,
+ NULL,
+ gtk_switch_render_slider,
+ NULL,
+ NULL);
+ gtk_css_gadget_add_class (priv->slider_gadget, GTK_STYLE_CLASS_SLIDER);
gesture = gtk_gesture_multi_press_new (GTK_WIDGET (self));
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);
@@ -1140,7 +1147,7 @@ gtk_switch_set_active (GtkSwitch *sw,
accessible = gtk_widget_get_accessible (GTK_WIDGET (sw));
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED, priv->is_active);
- gtk_widget_queue_draw (GTK_WIDGET (sw));
+ gtk_widget_queue_allocate (GTK_WIDGET (sw));
}
}
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