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color swatch: Convert to CSS nodes

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Convert GtkColorSwatch to use the two elements colorswatch and
image.
This commit is contained in:
Matthias Clasen
2015-10-30 21:29:46 -04:00
parent e3ef2c48d5
commit e5d3c8dbae
1 changed files with 40 additions and 13 deletions
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53
gtk/gtkcolorswatch.c
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@ -29,10 +29,18 @@
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkrenderprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkwidgetprivate.h"
#include "a11y/gtkcolorswatchaccessibleprivate.h"
/*
* GtkColorSwatch has two CSS nodes, the main one named colorswatch
* and a subnode named image. The main node gets the .light or .dark
* style classes added depending on the brightness of the color that
* the swatch is showing.
*/
struct _GtkColorSwatchPrivate
{
GdkRGBA color;
@ -47,6 +55,7 @@ struct _GtkColorSwatchPrivate
GtkGesture *long_press_gesture;
GtkGesture *multipress_gesture;
GtkCssNode *icon_node;
GtkWidget *popover;
};
@ -83,6 +92,8 @@ G_DEFINE_TYPE_WITH_PRIVATE (GtkColorSwatch, gtk_color_swatch, GTK_TYPE_WIDGET)
static void
gtk_color_swatch_init (GtkColorSwatch *swatch)
{
GtkCssNode *widget_node;
swatch->priv = gtk_color_swatch_get_instance_private (swatch);
swatch->priv->use_alpha = TRUE;
swatch->priv->selectable = TRUE;
@ -101,6 +112,13 @@ gtk_color_swatch_init (GtkColorSwatch *swatch)
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (swatch->priv->multipress_gesture), 0);
g_signal_connect (swatch->priv->multipress_gesture, "pressed",
G_CALLBACK (tap_action), swatch);
widget_node = gtk_widget_get_css_node (GTK_WIDGET (swatch));
swatch->priv->icon_node = gtk_css_node_new ();
gtk_css_node_set_name (swatch->priv->icon_node, I_("image"));
gtk_css_node_set_parent (swatch->priv->icon_node, widget_node);
gtk_css_node_set_state (swatch->priv->icon_node, gtk_css_node_get_state (widget_node));
g_object_unref (swatch->priv->icon_node);
}
#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11)
@ -200,9 +218,8 @@ swatch_draw (GtkWidget *widget,
rect.x = border.left + padding.left;
rect.y = border.top + padding.top;
gtk_style_context_save (context);
gtk_style_context_add_class (context, "overlay");
gtk_style_context_save_to_node (context, swatch->priv->icon_node);
gtk_render_background (context, cr, rect.x, rect.y, rect.width, rect.height);
gtk_render_frame (context, cr, rect.x, rect.y, rect.width, rect.height);
@ -227,9 +244,7 @@ swatch_draw (GtkWidget *widget,
}
if (gtk_widget_has_visible_focus (widget))
{
gtk_render_focus (context, cr, 0, 0, width, height);
}
gtk_render_focus (context, cr, 0, 0, width, height);
gtk_style_context_restore (context);
@ -587,6 +602,15 @@ swatch_popup_menu (GtkWidget *widget)
return TRUE;
}
static void
swatch_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state)
{
GtkColorSwatch *swatch = GTK_COLOR_SWATCH (widget);
gtk_css_node_set_state (swatch->priv->icon_node, gtk_widget_get_state_flags (widget));
}
/* GObject implementation {{{1 */
static void
@ -694,6 +718,7 @@ gtk_color_swatch_class_init (GtkColorSwatchClass *class)
widget_class->map = swatch_map;
widget_class->unmap = swatch_unmap;
widget_class->size_allocate = swatch_size_allocate;
widget_class->state_flags_changed = swatch_state_flags_changed;
signals[ACTIVATE] =
g_signal_new (I_("activate"),
@ -720,6 +745,7 @@ gtk_color_swatch_class_init (GtkColorSwatchClass *class)
TRUE, GTK_PARAM_READWRITE));
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_COLOR_SWATCH_ACCESSIBLE);
gtk_widget_class_set_css_name (widget_class, "colorswatch");
}
@ -750,19 +776,20 @@ gtk_color_swatch_set_rgba (GtkColorSwatch *swatch,
dnd_targets, G_N_ELEMENTS (dnd_targets),
GDK_ACTION_COPY | GDK_ACTION_MOVE);
}
else
{
gtk_style_context_remove_class (context, "color-light");
gtk_style_context_remove_class (context, "color-dark");
}
swatch->priv->has_color = TRUE;
swatch->priv->color = *color;
if (INTENSITY (swatch->priv->color.red, swatch->priv->color.green, swatch->priv->color.blue) > 0.5)
gtk_style_context_add_class (context, "color-light");
{
gtk_style_context_add_class (context, "light");
gtk_style_context_remove_class (context, "dark");
}
else
gtk_style_context_add_class (context, "color-dark");
{
gtk_style_context_add_class (context, "dark");
gtk_style_context_remove_class (context, "light");
}
gtk_widget_queue_draw (GTK_WIDGET (swatch));
g_object_notify (G_OBJECT (swatch), "rgba");