color scale: Improve themability

Add the .color class, so themes can style scale.color.
Clip the trough rendering to the content path, so that
themes can set rounded corners.
This commit is contained in:
Matthias Clasen 2016-01-15 20:08:57 -05:00
parent a0d91a3a71
commit e7fc87e4ac

View File

@ -27,6 +27,7 @@
#include "gtkaccessible.h"
#include "gtkprivate.h"
#include "gtkintl.h"
#include "gtkrenderprivate.h"
#include <math.h>
@ -216,6 +217,7 @@ scale_draw (GtkWidget *widget,
GtkColorScale *scale = GTK_COLOR_SCALE (widget);
gint width, height, x_offset, y_offset;
cairo_pattern_t *pattern;
GtkStyleContext *context;
create_surface (scale);
gtk_color_scale_get_trough_size (scale,
@ -224,7 +226,9 @@ scale_draw (GtkWidget *widget,
cairo_save (cr);
cairo_translate (cr, x_offset, y_offset);
cairo_rectangle (cr, 0, 0, width, height);
context = gtk_widget_get_style_context (widget);
gtk_render_content_path (context, cr, 0, 0, width, height);
pattern = cairo_pattern_create_for_surface (scale->priv->surface);
if (gtk_orientable_get_orientation (GTK_ORIENTABLE (widget)) == GTK_ORIENTATION_HORIZONTAL &&
@ -251,6 +255,8 @@ scale_draw (GtkWidget *widget,
static void
gtk_color_scale_init (GtkColorScale *scale)
{
GtkStyleContext *context;
scale->priv = gtk_color_scale_get_instance_private (scale);
gtk_widget_add_events (GTK_WIDGET (scale), GDK_TOUCH_MASK);
@ -260,6 +266,9 @@ gtk_color_scale_init (GtkColorScale *scale)
G_CALLBACK (hold_action), scale);
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (scale->priv->long_press_gesture),
GTK_PHASE_TARGET);
context = gtk_widget_get_style_context (GTK_WIDGET (scale));
gtk_style_context_add_class (context, "color");
}
static void